If pleaser high heels are a sign of femininity

If pleaser high heels are a sign of femininity, for some time the trend of high heels attract men in the United States.

 Many businessman did not hesitate to testify in New York Times on their way to a party, wearing high heels. Asked by a reporter from the newspaper, M, Wagner said, "I never left home without shoes with heels of at least eight inches to feet." This promoter indicated that there was at least a dozen men on the dance floor with this type of footwear, while many admirers declared,''Oh my God, I love these shoes! "

 If  pleaser shoes in men is very trendy, all said "I always confirms very clearly that I am a man, and I'm not trying to portray an illusion to anyone."

 So gentlemen, do not hesitate, if it you are missing a few inches to seduce a girl, opt for heels for men, the most difficult is to find your size.

online store that sells different types of bikes and bike kit

Electric bike is an online store that sells different types of bikes and bike kit. It offers electronic assisted bicycles including the brand HILLTECHS such as electric bicycles from city bikes and electric bikes folding electric bikes.
 The bikes are high quality products, impeccable quality with differing products. In this store you you will also find essential accessories and novelties such as VAE toolkits, stool suspension, handles, gloves .... also reinforced parts.
 At Electric bike, you do not buy just the VAE but also advise you on your exact need to size your purchase further.
 Please consult the after sales service for any requests and will commit to you in as soon as possible to a more professional near you.

MAIN UNITS AND MECHANISMS Of Bike Kits

Regardless of what brand you choose, to understand bike parts is sometimes very difficult. Let us consider the most important parts of the bike.

Suspension fork.Rigid front forks are fading. Only the cheapest models do not have depreciation forks, an integral part of this mountain bike. Today, the most common suspension fork is spring elastomer type, more expensive forks are spring-hydraulic (oil) and the newest type of aircraft. Proceedings of forks for cross-country range from 2.5 to 4.5 inches (67-100mm), forks for downhill course are from 4.5 to 7 inches (100-180mm). The best known are the following manufacturers: Rock Shox, Manitou, RST, HeadShok (Cannondale) and Marzocchi. In recent years, widespread  bike kit is more affordable and has good characteristics.

Shifters - handle switch, leading them into action, are located on the handlebars. The right is responsible for the rear derailleur, the left is at the front. There are two types of handles switches.

The brakes.Since its first appearance a few years ago, the brakes developed by Shimano have gained tremendous popularity for its reliability, excellent performance and low weight. Soon other companies began to manufacture similar brakes.

Association activities of YUEMING LASER

Since GD HAN'S YUEMING laser technology Co., LTD. has became a new and high technology enterprise association of dongguan according to the r&d strength and the scale of production and export capacity, GD HAN ` S YUEMING laser technology Co., LTD chairman Mr. LiZhongQing was elected the deputy director of a new high technology and new technology enterprise association , optical and laser application specialized committee member units, as the biggest manufacturer of laser cutter in China, han`s yueming laser often attend some social public welfare activities, for the association commitment, and actively promote association work, good at playing a positive and lead role in the industry take the lead.

bike DIY is not for a new play

bike conversion kit refers to same specifications of the transmission / drive system of a bike brand, due to the reasonable same level of co-ordination,with the use of more reasonable to sell together called bike kit,
 e bike kit that includes things not fixed, can be any combination, but generally can be called the kit generally include the following components: the front derailleur / rear derailleur / DIP (dual or transfer to or control) / flywheel / chain / crankset / brake (or disc or forceps or v) / Drum (or wheels). generally refers to small packages: DIP / front derailleur / rear derailleur, you said the drive kit heard, may refer to a small package.
 e bike kit how much money there, SHIMANO until from four to five hundred or so top kits 18000
 As long as long-distance vehicles like rugged, does not require high performance. Lx lx to long distances, but a full set of basic vehicle to reach the mountain million yuan, and a few will go to an expensive long-distance riding?
 If you completely do not understand is recommended to buy the vehicle, bike DIY is not for a new play by the way.

Symptoms of low compression motorcycle

Many problems can cause your scooter bike motor at low compression. Some of them are internal - such as bad rings - only by removing the bike motor. Other visible from the bike motor outside - like a loose spark plug - you can simply give it a good physical examination findings. But all these problems have left something is wrong, low compression possible causes.
Clues
bike motor does not start
Sometimes compressed down so low, they will not start the bike motor. This symptom does not automatically mean low compression is the culprit. Problems may be very simple, just an empty gas tank or something spark plug wire has become disconnected. When experiencing any symptoms, it is best to eliminate the worst case assumption that all before, the first and most simple reason. It is also important, bike motor whether to make any effort to start; obviously, completely dead, bike motor has a potentially worse problem - such as bike motor parts were seized - than trying to crank. If the compression problem is to keep your scooter from the beginning, it may be a very expensive repair.
bike motor is running rough
It may also be bike motor will start, but you have to repeatedly crank, bike motor, you can not predict when it will finally begin, if at all. Once the bike motor is started, it runs unevenly. "To the air," but it does not turn smoothly. Although the low compression can often be expensive problem, bike motor running fact, is encouraging. Compression is the best test, and bike motor is warm and running, so a possible problem may be less severe compression - may still be expensive, but perhaps not a complete engine rebuild less. The problem is more likely to be like a bad, when the bike motor running.
Gasket simple
No power to motor
You may start the scooter, and even idle reasonable, but once you start to accelerate, all bets are off. Sometimes it slowly picked up speed, struggling to increase speed, at other times, it may start not good enough, but soon will lose power and slow crawl. Climb may become impossible, you may even have a slight tilt to help your scooter. Although this is a common symptom of the compression problem, it could be a clutch or chain problem symptoms. Again, this is the best way to check before, if you have low compression.

electric bicycle motor efficiency

For a long time, the electric bike motor efficiency and power as "not tell" problem, whether it is the standard narrative, or samples of goods, nameplate; whether professionals or sales, purchasing, electric bicycles and motor efficiency Power has never acknowledged and a clear definition. So to re-discuss the electric bicycle motor efficiency and power is very necessary.
Industry-standard motor design, in general there are two principle categories:
1. Fever principles:
Bldc Motor windings, permanent magnet material or conductive parts, the main structural elements (such as bearings) in the economic life period (15-20 years of industrial motors, brush allows the periodic replacement) to allow safe operation within the limits of temperature. The lesions were generally clear for the temperature (or temperature) limit, different materials have different allowable limits of temperature. Polyester fibers such as polyester film paper for the slot insulation and high-intensity polyester enameled wire electrical system is composed of Class B insulation. Allow continuous operation of the winding temperature rise limit of 80K (with resistance assay).
2 Performance principles:
Performance principles including electrical, mechanical and other properties. Usually refers to electrical power index performance (such as efficiency, power factor), speed, rate of change of speed, torque, short-term overload, change to the other. Shape and mechanical properties are generally installed size limit (as in the axial or radial size is restricted), moment of inertia, material, limit speed. Other properties are generally noise, vibration, reliability, performance / price ratio, the special environment uses.
Depending on the application, the motor can be roughly divided into two categories. One for the driver to use, and the other for the control of use. Obviously, the electric bicycle motor, should be classified as a drive motor. In the long-term practice, with the motor drive industry standards, skillfully blend these two principles as a whole. If the temperature rise and efficiency of AC motors are actually very close to the standard limit, you can hardly say that it is "heat principle" design or "performance principle" design. Temperature rise and efficiency while meeting the standard limit value of motor efficiency is usually not high. There is also a "high efficiency" motors, motor efficiency is usually higher than normal 4-7% (with power, speed and so on), its temperature is very low, a "performance principle" design. For short-term use (such as valve motor, sometimes days or even once a year to run) motor, the efficiency is usually not considered necessary to ensure the basic performance requirements of the conditions, should be used "heat principle" design. Conversely we can also say, a motor rated power is uncertain, according to "hot" or "performance" to determine, the same motor rated power to a large extent is a variable value.
Electric bicycle because of its special nature of the energy, the motor should be designed using "performance principle" design, that is designed to be as much as possible to higher motor efficiency. Temperature rise of high-efficiency motors typically not a problem.
I believe many people will say: "Then we put the design of high efficiency motors, not become it?." No! Because efficiency is an effective material (copper, magnetic materials, magnetic materials) to pay the cost, that is, the higher the efficiency, material consumption, the more the higher the cost, more severe motor. Traditional motor design has a classic theory that efficiency by 1%, effective materials to consume 10%. For the electric bicycle motor, you want to significantly improve efficiency is not merely a material cost, vehicle weight and size probably are not allowed.
We said above, the electric bicycle motor should be designed using "performance principle" design, then how to determine a standard performance?
State parameters of the body electric bike (tire tread, size, inflated), and riding the state parameters (riding speed, road conditions) complex, also can not use a standard parameter to describe the riding condition. In general, to 20Km / h constant ground speed riding, the standard load mass (75 kg) and no wind conditions, the electric bicycle power consumption 95-115W, the average power of 105W, we can consider this Electric bicycle is the "standard riding state" when the motor power. Taking into account the continuity of a weak wind and non-small slope can be riding the next (allowing reduced rate), and to have a certain dynamic performance (acceleration), the motor power 150-180W is enough. Electric bicycle ride in the city are often run on start - acceleration - constant speed - deceleration - braking, constant states are often very short. During acceleration, the motor torque or power output limit (more precisely should be the torque, because the power is also related with the speed) depends on the controller's current limit. 3 times rated current (the current standard when riding state 105W, 36V at about 3.6-4.0A, and the efficiency of the motor) to 12A (24V to 18A), can get about 3 times the rated torque. If you want to get better dynamic performance and climbing performance, requires the motor rated power of 200 W or more, this time the motor in the "standard riding state" run, may not be the most energy efficient.
A large number of calculations and practice has shown that the electric bicycle motor, the performance difference is mainly the motor speed, rather than a brush or brushless motors. Of the high-speed motor with a 2-3 level reduction agencies (commonly known as the tooth motor) and low-speed gear box with no direct drive motor (commonly known as motor without gear) to compare and use a statistical curve (20km / h, 610mm bike ) to describe (Fig. 1).
Can be seen from the curves, low-speed motor (gearless electric wheel hub) in the A and B near the high efficiency, generally up to 82-73%. In C (running speed) efficiency performance of the poor. Slow down the performance of the motor to the contrary, that in area B (standard cycling state) the efficiency of the gradual upward trend, the overall average is lower than the low-speed motor, generally between 72-78% (with reduction gear related). Performance than the low speed zone in a good motor, maximum efficiency even in C, D,. In D, the motor speed reducer motor much worse than the performance, but non-limiting area work area, so there is no practical significance. Single indicators of efficiency, low-speed electric motors compared to the wheels and slow, are not overwhelming, can have their advantages and disadvantages, is currently impossible to reject out of any party.
As the special bike run with a single "standard riding state" is not entirely reasonable. If using a statistical weighting factor to correct the efficiency curve, and take the A, B, C three under actual operating range of the envelope curve of the area to determine the "equivalent" of efficiency, it is more objective, but this would allow data treatment becomes particularly complex, difficult to operate, especially in the electric bicycle industry. Therefore, we believe that the introduction of the "standard riding state" is necessary.
Specifically, the "standard riding status" is
Power P2 = 105W (can be determined through further certification is more appropriate value)
Speed ​​V = 20km / h
V = π * D * N * 60 * 10-6 = 1.885 * N * D * 10-4 km / h
D - Wheel diameter calculation, mm (actual diameter of the tires when riding no-load than smaller diameter tires)
N - rotational speed, r / min
To 610mm electric bicycles, for example, electric wheel speed is
N = 106103.3 / D = 106103.3/610 = 174 r / min
Torque M = 9.55 * P2 / N = 9.55 * 105/174 = 5.76 Nm
The reason why the introduction of the concept of power rather than torque, because in a certain speed, different diameter wheel torque difference, while the power is basically the same.
P2 = M * N/9.55 = D / 2 * F * N/9.55 = K * F * V = constant (V is constant)
F - electric bicycle driving force (horizontal component)
M = D / 2 * F
If the standard also provides the "standard riding status" 105W and C the middle point, about 150-180W the efficiency of the two states (or the efficiency of the average) can regulate the actual operational performance of electric bicycles. 105W when the power is called the "standard riding power"; 150-180W of output power can be defined as "power rating."
There are many companies with the highest point of efficiency curve as a product of the "nominal" state is wrong. Because both the low-speed electric motor hub or deceleration, the "operating point" is not the highest point in the efficiency curve. Furthermore, the electric bicycle is a section of the run rather than a point.
Another misunderstanding is the business trying to label their products power very large, sometimes even more than the maximum possible motor power (perhaps also with the sales price is proportional to the power of it!).
As the motor output power
P2 = M * N/9.55
With the increase of the torque M (proportional to the current increase), while the rotational speed N is decreasing, so P2 has a maximum torque when the motor is less than the load torque, the motor will brake the (N = 0) , then the maximum motor torque (current maximum is also known as short-circuit), while the output power P2 = 0.
For low-speed electric wheel hub, the maximum power generally do not. For example, the rated speed of 180 r / min motor, the maximum power of 210W on the good. The higher the speed, the greater the maximum power. Rated speed 2000 r / min above the motor, the maximum power of 400W is not surprising.
The motor rated power problems. YAMAHA think that they will be set at the motor rated power of 235W (our national standard set at 240W Shipi reference to the Japanese technology Tiaojian do not know), because they may be running electric bicycles in Japan, hills, this is their national conditions. YAMAHA motor, without exception, high-speed motor (brushless brush all this) 235W rated power is not difficult to achieve. We use domestic axis drive motor (speed about 2000r/min) can reach this level, even power index is also higher than Japan. Should be noted that high-speed motor (4000r/min or so) might want to use 3 or 2 gear friction reducer (YAMAHA and the domestic production of a mini-hub has been used), the motor no-load current is high, the highest point of efficiency may exceed the actual operating area, and enter the restricted flow area, the actual power consumption of electric bicycles large, not necessarily energy efficient.

Riding a bike Work out Advantages

Routine or perhaps a street electric bike, to a lot people is simply a method of transportation, which helps them in travelling from location to one more. But it possesses a much more to offer than merely journeying . On this modern day period, bicycling is recognized as among the best tactics of performing exercises, and helps a great deal keeping in mind the entire body match and ripped. Other than just doing exercises and travelling, it also contributes a whole lot towards the worldwide aim of minimizing the contamination regarding appear and atmosphere. Nonetheless, a pedal bike can not be tried by using a motor vehicle which is run on energy as you can't journey on there for days, and time also gets a dilemma when you are traveling for a routine. Sometimes, it becomes extremely tough when a couple want to go to the same location, as many rounds are sole seaters. Yet another method of riding a bicycle is in house cycling the most common cardio exercise apparatus used in health clubs and health clubs, and has good riding a bike exercise added benefits depending on mind and body. Beginning Of Interior Riding a bike A number of people just realize that interior rounds are probably the most commonly encountered cardio exercise machines utilized in gymnasiums. But not every one is cognizant of its origins. It was introduced by an expert motorcyclist known as Anthony Goldberg in late 80s.
There was a time when he would not complete his teaching on account of organic hurdles just like weather along with other climatic conditions, which restricted his training sessions. He more presented this idea with an Usa bi-cycle organization referred to as Schwinn, who regarded it, and also, since then these however series are incredibly commonly affecting fitness and health and fitness center centers. Inside Riding a bike motor Workout Positive aspects Household riding a bicycle are some things which even a normal man or women are capable of doing so that you can maintain exercise, and is just about the most best varieties of workout. This is amongst the most best styles of riding a bicycle, using carbon dioxide and traffic under consideration, for you are quite a complicated goes included which might trigger injury. Recumbent mountain bike is among this type of period.
It is considered that the campaigns put in when driving an interior routine is extremely much less in comparison with a normal circuit, but it's not genuine because man or women can arranged his personal setting of operating, with respect to the levels that is secure and ideal. You can also do multi-ply-tasking whilst riding these indoors menstrual cycles, including watch television, chat on the telephone, and together discussion in addition. It is belief that the thighs and leg have to be very strong compared to other parts of the body, reducing body workout is incredibly necessary to have that. So in house riding a bicycle helps in abdominal muscles the calves, lower limbs, shins, as well as joint work outs. Benefits Of Riding a bicycle There are particular health benefits of biking as it tumbles within the class of the extremely frequent aerobic workouts. It really is beneficial for the very center and maintains one's heart whip ordinary. It cuts down on cholestrerol levels which are the blood stream thicker. It keeps the blood pressure and diabetes mellitus under control . You'll find it decreases shape skin, and that way it will help in slimming down. What's more, it will work for a strain reliever as one can enjoy landscape though riding a bike. The body receives a great work out and ends up getting ripped.
It's very important for being in step with every little thing, so a riding a bike workouts is extremely vital in order to be clear of troubles linked to body agony. Riding a bike Training Suggestions Having said that, if someone is going to drive a street bike, there are particular riding a bicycle work out tips one should adhere to related to attire and type of inner wear to get worn out whilst cycling. Although riding a bicycle, most of the people run into backside issues in the near future, which could be managed simply by getting a bicycle which has a back-rest. A speedometer ought to there for the bicycle so that one can retain a with yardage protected when riding the period, and lastly, the added wheels really should be looked after, surroundings ought to be filled in suitable volume to prevent the fits whilst riding these exercise bikes. In order to achieve cycling work out rewards, you should be comfortable with the main advantages of bicycling, and may observe proper tactics and ideas linked to traveling the bike.

An industrialist must install suitable industrial motors

An industrialist must install suitable industrial motors in order to run applications according to the voltage source available in them. Stepper motor, brushed and brushless hub motor are some of the well known motors available in the market at a wide range. Motion controller devices like linear actuator can handle heavy applications and direct the force in linear motion.
Do you want to run your industrial applications effectively? If yes, then it is essential to install the motors according to the voltage source available at your end. As a matter of fact, applications either run on direct current or alternative current. It is obvious that applications with direct current require hub motors to work whereas bldc motors would be an appropriate choice for applications with alternative current. With the advent of technology you may also find universal motors which can run on both AC and DC voltage. Voltage source play a vital role in the selection of motors because the whole working process is dependent on it.
As far as hub motors are concerned, they are namely stepper motor, linear, brushed and brushless hub motor which demands for direct current to start the operation and provide remarkable results in terms of high productivity level with low investment. Among all of the hub motors stepper motors has gained huge popularity and in great demand among industrialists due to its mind blowing features and affordable rates. As the word suggests stepper motors divide the whole working process in to different steps either half, full or fractional. Moreover, it takes the support of magnetic field for its rotor movement and user must keep in mind that usage of appropriate voltage source is important for the sake of changing polarity of poles being applied to its rotor.
Industrialists who are using applications with direct current and have installed brushed hub motors for running it, they usually come across with defects like brush wear and sparking. One of the convenient medium to avoid such unwanted defects is to install brushless motors which does not have brushes at all so there is no scope for sparking or brush wear. People who need to run their applications in linear motion prefer to make use of linear motors. It is noticeable that if somebody needs to run his applications effectively with alternative current then they must take the support of AC motors which are also known as phase induction motors. Some of the phase induction motors are single phase induction, three phase induction, two phase servo, hysteresis and synchronous motors.                   
While running industrial application one must consider the importance of effective and result-oriented motion controller devices such as linear actuator. It has the capability to lift heavy items which need high speed and high starting torques. So, enhance your productivity easily with these devices!

Ask Yourself These kind of Concerns When researching Cycling Cycling tops

Jоggеrѕ cоuld work in аlmost anу kіnd оf clоthеѕ аѕ long аs they get running ѕhоeѕ, but bіkers practісаlly havе to have thе еxtrеmelу ѕpeсifіc clоthіng of the ѕpоrtѕ actіvіtу.Evеn laіd-baсk іndіviduаls wіll bеnеfit grеаtlу іnsidе cоmfоrt, раce, basіc safety and аlѕо satiѕfаctіon when thеу add rіding а bіke motor.The bі-cуcle bу itѕelf mаy wеll need rіdіng а bіke ѕhoеs аlоng with yоur fіrѕt knowlеdge аbout the аctual chafіng and аlѕo bеating оf аn biсyclе сouсh mау well enсоuragе that yоu wеar biсyсlіng short, nevеrthеlеss, yоu аlsо need to, much lеѕѕ оbvіоuѕly, expеriencе in а vеry bikіng hаt.

Riding a bike conversion will not likely substantially supplment your pace or even basic safety, but they will certainly increase your full using experience of a number of ways.1, they're designed to support the body take care of the force wearing effect regarding wind flow as well as weather conditions because you journey.The majority of biking tops are constructed of manufactured fabrics that will enable your body to be able to perspire and also pull the particular resultant dampness successfully from your surface on the epidermis.Sеveral оf todаy's mirасlе fabrісs, еven though light аѕ you саn, alsо work рowеrfully to bе able tо rejeсt normаl wаtеr and fіght breeze.Cоmbined wіth рrovеn faсt that zipрerеd јersеyѕ cаn be exрosеd as well аѕ sеalеd rіght in frоnt аllowing or еvеn dесreaѕе aіr аir flow, bіkіng суcling toрs increаse tremendouslу fоr thе bіcусlist'ѕ аbіlіtу tо stand up to vеrѕionѕ throughоut сlіmаte.

What еxaсtly iѕ most much-lоved simрly by bіkers about riding а bike kit cуcling jеrseуs, evеn though, nоw іs еasіеr.It dоеѕ not tаkе wеll-known bасk аgaіn bank aсcоunt, rеgulаr alоng wіth rеquіrеd produсts оf аny ѕhіrt.You maу be аnу tоurіng раrticipant, the hugе batсh mаniаc, оr рerhарs a streеt sреed, the trunk bank acсount of the јаckеt 's whаt Mоm Kаngaroo'ѕ tор pockеt wоuld bе to уоur еx joey: Lifе. On thіѕ wallеt, you'll hіdе energy bars, gоo pасkеts, mаybе bее plаnt роllen.Thіѕ is thе stаndаrd on-bike ѕustenancе ѕуstem.Direсtlу intо thiѕ sресіfіc sееmіngly еndlеѕѕ ѕtorаgе area steр, you mау prоducts thе aсtuаl safety glоvеs yоu dоn't nееd sіnce уоur ѕun'ѕ comе out, аѕ well аs thе аctuаl сellphone рrudent indіvіduаls brіng (fоr bаsіc sаfety, not neсesѕarіlу for lazy chаtter).Yоur currеnt kіtten also nеeds tо alwауs be ѕtuffed ѕtrаight іntо this раrtiсulаr wаllet when yоu соnѕume fоodѕ.It'ѕ inсrеdiblе јuѕt whаt moѕt goeѕ іnto this kіnd оf wаllet, and many tyрeѕ оf wіthout drаѕticallу affectіng the pаrtiсular еffіcіenсy оf one's bісуcling.

Cоnѕequеntly just do it.Wear thе јacket.Put it on bеcauѕе gaudіlу aѕ уou dеsіrе. Gаudіnеѕѕ аnd іtѕ cоmрaniоn elegаnсe, arе yоur bіrthrіght as being a biсуcliѕt!

Where to find An easily affordable bike motor

After purchasing a bike conversion, you might be surprised by how much more funds you'll want to spend on all the proper and also risk-free gear. If you don't keep sufficient profit your financial allowance, you might need to check for a lot of good quality items which is low-cost you aren't inexpensive.
You can locate a low cost street motorcycle motorcycle helmet that may still offer you superb protection and search fantastic. Always make sure while looking for a great deal to never bargain using your protection, nonetheless. It really is unquestionable the a single most important bit of motorcycle basic safety items is the bike motor, if the going to go cheap upon something -- attempt to make certain it is not your motorcycle helmet!
It doesn't imply that you can not find a reasonable helmet in the event you play your own charge cards appropriate whilst your eyes open. If you're looking for a cheap motorcycle motorcycle helmet, get one of these sale made. This is often a smart way to acquire a quality helmet for a lower price. The start using season, any time more mature helmets are removed out, is a good time for you to appear.
What many people have no idea of is always that helmet suppliers create new addendums to their motorcycle helmet range with an annual basis. This means that that old headgear must sold swiftly, to produce area to the a. When this happens, generally stores can drop the by using an popular helmet significantly.
If you love to buy with larger chain stores, you might be fortunate getting a cheap motorcycle helmet. These kind of stores buy a lot of many in large quantities, which provides these people savings that happen to be next passed on for you.
Unless you thoughts an ordinary african american as well as white headgear, you may also locate a great deal. A lot of safe and sound headgear that don't are available in fancy colors or perhaps with images could be a excellent low-cost motorcycle headgear uncover.
Variations and fashoins will comw with with various rates. The full deal with motorcycle helmet is definitely more costly when compared with a encounter motorcycle helmet. It's correct, however, which a total deal with head protection provides more and various types of safety.
Several bargain predators searching for a low-cost bike motorcycle helmet choose a used headgear. This is a dreadful thought. A pre-owned helmet features a large chance of staying ruined, and thus won't safeguard anyone.
When you find yourself searching for a low-cost motorcycle head protection, there are many solutions. Do remember nonetheless that your particular head protection is a basic safety tool, and will stop compromised to save a few bucks.
The greatest benefit for the Internet is the ability to check around although still at your laptop or computer. This is the fantastic way to locate a high quality motorcycle helmet that appears wonderful nevertheless will likely do an adequate job regarding defending you. Not only this, however, if you gaze tough enough you will discover a really affordable head protection which will also search and possess the style that will fit you together with complements the color system of your respective cycle.

liquid squirrel cage motor starter cabinet

QSQ-S-500 high-pressure liquid squirrel cage motor starter cabinet
First, an overview
QXQ series of high-voltage AC bike motor starter for water-resistance rated voltage 3-10KV, rated power 200-20000KW large and medium-sized squirrel-cage bike motor kit, or sync the soft-start (and protection), especially the power grid capacity is not prosperous business.
QXQ starter dissolved in water by the ionic conductivity of the electrolyte. Electrolyte filled in the two parallel plane plate (both water resistance of the two electrodes) between form a capacitor-like conductors - water resistance. Its own non-inductive components, and hence the frequency sensitive, such as reactor start-up equipment, compared with the starting power factor, starting current is small.
This technology uses a liquid product in the high pressure of new materials, smart drive, computer simulation, telecommunications, programming control open-loop (QXQ-1), closed-loop control (QXQ-2), and many other modern high-tech man-machine interface . With high control precision, control and reliability, to achieve the purpose of constant current start, soft-start technology in the field of liquid in the domestic advanced level.
This product is widely used in building materials, metallurgy, mining, petrochemical, power, paper, water systems and other industries.
Second, the principle
QXQ water resistance starter, is based on the theory of reduced voltage starting bike motor, bike motor kit in the stator circuit in series with a suitable variable water resistor divider, full use of water resistance and heat capacity will not burn adjustable recoverable and other excellent characteristics, by controlling the transmission system control drag electrode plate movement, changes in action, given the distance between the plates, so as to achieve change in the size of the water resistance, water resistance to change and bike motor slip rate changes simultaneously to achieve the purpose of constant current start, and make bike motor to accelerate to rated speed even shorten the starting time. When the start-complete, the star point and bypass contactor automatically put into the water resistance, bike motor full voltage operation.

Motor Classification

1. Classified according to the power supply
Work according to motor power can be divided into BLDC motor driver and AC motor. Which is also divided into single-phase AC motors and three phase motor electric motor.
2. According to the structure and working principle of classification
According to the motor according to the different structure and working principle can be divided into direct current motor, asynchronous motor and bike motor kit. bike motor kit can also be divided into permanent bike motor kit, magnetic resistance bike motor kit and hysteresis bike motor kit. Induction motors and AC induction motors can be divided into commutator motor. Is divided into three-phase induction motor asynchronous motor, single phase induction motor and shaded pole asynchronous motors. AC commutator motor is divided into single-phase series motor, AC and DC motors and repulsion motor. DC motor according to the structure and working principle of brushless DC motor and can be divided into brush DC motor. Brush DC motors can be divided into permanent magnet DC motor DC motor and solenoid. Electromagnetic DC motor is divided into series excited DC motor, and excited DC motor, and re-excited DC motor excited DC motor. Permanent magnet DC motor is divided into rare earth permanent magnet DC motor, ferrite permanent magnet DC motor and Alnico permanent magnet DC motor.
3. Starting with the operation mode according to classification
According to press start and run motors in different ways, can be divided into single-phase capacitor start asynchronous motor, capacitor-run single-phase asynchronous motor, capacitor start single phase induction motor operation and sub-phase single-phase asynchronous motor.
4. Use classification
Can be divided into motor and control for driving motors. Electric drive motors are divided into tools (including drilling, polishing, grinding, grooving, cutting, reaming and other tools) with the motor, household appliances (including washing machines, electric fans, refrigerators, air conditioners, tape recorders, video recorders, DVD machines, vacuum cleaners, cameras, hair dryers, electric razors, etc.) with small motors and other general-purpose machinery and equipment (including a variety of small tools, small machinery, medical equipment, electronic equipment, etc.) electric motor. Controlling the motor is divided into stepper motor and servo motors.
5. Classified according to the structure of the rotor
According to the structure of the motor at different rotor can be divided into the cage induction motor (the old standard called the squirrel cage induction motor) and wound-rotor induction motor (the old standard called the winding induction motor).
6. Classified according to running speed
According to operate the motor at different speeds, can be divided into high-speed motor, low speed motors, constant speed motors, variable speed motor. Low-speed motor is divided into gear motors, electromagnetic gear motors, torque motors and claw bike motor kit and so on. Speed ​​motor in addition to constant speed motors can be divided into a class, no class constant speed motor, a variable speed motor and variable speed motors, it can also be divided into electromagnetic motor, DC motor speed control, PWM inverter and motor Switched Reluctance Motor. Induction motor rotor speed is always slightly lower than the rotating magnetic field of the synchronous speed. bike motor kit rotor speed and the load is independent and always remain synchronous speed.

13 years success of abercrombie and fitch

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13 years success of abercrombie and fitch

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lead-acid electric bike battery

One pair of lead-acid electric bike battery business of the special rectification action in the country's largest production base bike conversion - Jiangsu,

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BLDC motor classification by purpose

bldc motor classification by purpose

bldc motor-use classification: bldc motor controller and bldc motor driver. bldc motor drive with divided: power tools (including drilling, polishing, grinding, grooving, cutting, reaming and other tools) with bldc motor, household appliances (including washing machines, electric fans, refrigerators, air conditioners, tape recorders, video recorders , DVD players, vacuum cleaners, cameras, hair dryers, electric razors, etc.) with bldc motor and other general-purpose small mechanical equipment (including a variety of small tools, small machinery, medical equipment, electronic equipment, etc.) with bldc motor.
 Controlling bldc motor can be divided into: Stepping bldc motor and servo bldc motor and so on.　

A-Bike bicycle

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Non-motor vehicle bike conversion kit

SHENZHEN, June 7 (Xinhua reporter Wu dream up) 6, Shenzhen formally implemented in the main urban electric bike conversion on the road against the policy. Reporters under Part 6 in Shenzhen, the forbidden line region did not find driving electric bike conversion.
According to the Shenzhen Municipal Public Security Bureau on May 26 issued a "ban on roads in some areas of electric bike conversion kit installed in power plants and other non-motor vehicle a notice," from June 6 to December 5, Shenzhen prohibited from entering the electric bike conversion kit Futian, Luohu and Yantian, Nanshan, Baoan and other major urban areas.
Traffic police department said the traffic police department before July 1 electric vehicle found in violation will be advised based, on July 1 will officially start penalties on illegal riding will be $ 200, will be temporarily detained vehicles such as refuse to pay a fine.
Previously, Shenzhen Traffic Police Bureau official said, and electric vehicle-related accidents are more impact on road safety and traffic efficiency is the main reason for the forbidden line of electric vehicles. According to statistics, in 2010, Shenzhen traffic accidents involving electric vehicles 268, resulting in 64 deaths.
Some analysts believe that, due to electric bike kit is the express delivery company in the end the main means of transport used to restrict the electric car will greatly enhance the delivery of Shenzhen logistics enterprises and part of the self-built e-commerce businesses operating costs. Electric bike kit in Shenzhen City, amounted to more than 50 million units to maintain.

Background and Structure of Brushless Motor

In recent years, brushless motor as the rapid development of the field in the model as a driving force. As the output and price reasons, the past few years, brushless motor to use more air in the high-end model, since the rapid development of machining technology, brushless motor production costs of many, and it is currently entering the field at all levels of the model, From electric cars to electric remote control boat remote control to the electric model airplanes, everywhere.
Misunderstanding of the brushless motor
Many people have seen the model with brushless hub motor, they are used in battery-powered, so a lot of people in knowledge, there have been such a misunderstanding, that the brushless motor is a DC motor, it is not true, brushless motors are AC motors , is a three-phase AC permanent magnet motor, brushless motor 3 input model conductor current is AC, but this is not 50HZ AC mains sine wave, but from the brushless motor controller (commonly known as brushless ESC) out of the three-phase modulation becomes rectangular wave frequency is much higher than 50HZ, and with the motor speed change.
Brushless Motor Structural Analysis
Structure, brushless motors and brush motors are similar, there are rotor and stator, but the structure of the brush motor and the opposite; brush motor switch is the coil windings, and power output shaft is connected to the stator is a permanent magnet steel; brushless permanent magnet motor rotor is, together with housing and output shaft connected to the stator windings is to remove the brush motor is used to alternate the electric field for the brush, so called brushless motor (Brushless motor), I now have a problem, not the electromagnetic field of transformation, how to make brushless motor it?

ordinary electric bike conversion

With the development of society, the progress of time, for the convenience of modern life and the pursuit of the growing green fashion, personalization, means of transport the bicycle to motorcycle to car change more rapidly. However, the popular means of transport for bicycles and motorcycles by the limitations of the great challenges from electric tricycle, convenient, safe and comfortable, low energy consumption, pollution-free, low-cost, efficient, practical and stylish electric tricycle gradually changed the way people way of life. According to industry statistics, the domestic market demand for electric cars 80% of the annual rate of growth. Experts pointed out that the "electric tricycle with small size, low price and convenient, fast, comfortable, etc., in use does not produce exhaust pollution, spent around $ 1500 can buy the means of transport, that is stylish and practical." purchase and use of electric tricycle will become a new consumption trend.

However, the current 1,500 yuan on the market for the vast number of electric tricycle low-income are that 450 million bicycle owners, want to have a fashion personality electric tricycle is still elusive, love "black" is can not and "House"! Therefore, the cost of an ordinary electric bike conversion of the successful launch, no doubt to meet the public demand for cyclists, and also for the investors in this project a huge market opportunity.

Leafmotor bicycle conversion electric car based on this distribution center is a huge potential market-oriented, launched a low-cost ordinary electric bike conversion project. Modification or renovation of the old bike a new bike directly into a fashion personality to install electric tricycle, only to spend several hundred dollars, enough to satisfy the public demand for cyclists, ordinary people achieve the dream of fashion.
The center will be based in good faith, the supremacy of the principle of reciprocity, "quality win, reputation-based", we sincerely welcome customers to visit us.

Working Principle of brushless dc motor

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DC-DC converter is the core of Brushless motor

DC-DC converter is the core of Brushless motor

220V AC voltage is rectified and filtered DC voltage to be 320V or so, add to the power module input. Single DC-DC module maximum output voltage is generally +48 V, +60 V DC to get the output voltage, the method must be used module in series. Design uses two PH600S280-28 DC-DC module (to +30 V output) through the series to get +60 V output voltage, fast recovery diodes D1, D2 is the protection devices in series, requiring D1, D2 reverse voltage greater than twice the rated output voltage power supply, power supply rated current greater than twice the output current, the forward voltage drop should be as small as possible. Because it is in series with two power supply module power supply system, in a limited package to complete the design will be difficult, and some program using two modules in series to complete the design package, namely the design of two separate 30V power supply, then an external series constitute the +60 V power supply system. Design through the rational allocation of space, power up and down in the lid of each installation of a DC-DC module to heat the metal shell as a means of compact design and installation of technology to the entire power system packaged in a smaller space, so that the whole power supply size, weight greatly reduced cross-sectional area of ​​only 6 × 9 inch 2, to achieve a small size high-power integrated power system design.

Leafmotor announced launch of brushless motor evaluation kit

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Leafmotor announced the launch of a new generation for the brushless motor series evaluation kit (DRV8412-C2-KIT). The kit contains two brushless dc motor which can be started directly or single department all the necessary hardware software of stepper motor.

Out of the box with the brushless motor controller and driver solution containing DRV8412 motor drives, real-time control C2000 ™ Piccolo ™ microcontroller (MCU), controlCARD module, Quick Start GUI, comprehensive development of the source code, Code Composer Studio ™ (CCStudio) integrated development environment (IDE) and a variety of motors;

Brushless motor drive circuit

Brushless motor drive circuit, if the distributor in accordance with the decision of the distribution ring, to control the motor windings of each phase is turned on or off, so that the motor steps required to drag the rotor magnetic potential of rotation rotation step, the step angle is only two, that the whole or half-step work work, step angle motor structure has been determined. If the request brushless motor with a smaller step angle, higher resolution, or to motor vibration, noise and other reasons, you can switch each input pulse, the only change in the nominal winding corresponding part of the motor synthetic Ci potential step angle rotation only part of the rotor to run each step, only part of the step angle. Here, the winding current is not a square wave, but the step-wave, current rating is the step-input or the removal of the current into the number of steps, the rotor turned on with the same number of times a step away from the corner, this would be a step subdivided into a number of step angle driving method, known as the sub driver. In other countries, for the step system, mainly two-phase hybrid brushless motor and the corresponding sub-driver. However, at home, the majority of users of "niche" is not particularly aware of, but rather that the subdivision is to increase the accuracy, is not the case, mainly to improve the electrical breakdown of the operating performance. As the sub-drive to accurately control the motor phase current, so the drive must have very high technical requirements and process requirements, the cost will be higher.

In order to brushless motor phase current control to achieve the sub-brushless motor step angle of the goal, it was designed for a very wide range of brushless motor drive circuit segments. With the development of micro-computer, especially the emergence of single-chip computer, the breakdown for the brushless motor drive is made easier. Currently, brushless motor drive circuit segments are single-chip computer control of most, they constitute a block diagram shown in Figure 4. Microcontroller according to the requirements of step angle calculated for each phase winding by the current value, and output to digital to analog converter (DPA), by the DPA to digital conversion to the corresponding analog voltage, applied through the phase ring distributor amplifier circuit, amplifier circuit to control each phase winding of the corresponding current to achieve brushless motor breakdown.

characteristics of three-phase brushless motor

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As a matter of fact, it is rather difficult for people to analyze the operation characteristics of three-phase brushless motor accurately. Motor air gap flux density distribution along with the air gap by sinusoidal. When the winding is energized, magnetic flux generated by the current impact of the air gap is negligible. In the condition of the switch operation, the power transistor is constant pressure drop. Each winding is symmetry and the corresponding circuit is completely consistent. The relevant electric time constant can be neglected. The power of sensored brushless motor and others that control circuit are also negligible. Three-phase brushless DC motors are also synchronous motors. It is very important to protect the three-phase brushless dc motor drivers.

Sports bike kits

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They have been designed consequentl as to handle the high speeds and even the feature of winding roads. They have the ability to offer more power with the help of the multi cylinder engines; hence they are capable of providing more power. The aluminum alloy frames and the stiff suspensions have the capability to improve handling, high grip tires and even they offer the powerful brakes.The sports bikes render the bikers to allow them to lean forward over the gas tank consequentl as to reduce the wind resistance. In the other bikes the people are made to sit straight unlike the sports bike kit wherein they rest on the gas tank. The experience on bikes is one of the most remarkable experiences it suits and caters to the needs of both the adults as well as kids. The choppers these days are one of the optimal consequentlught experiences thus attracting most of the crazy bikers. These days there are more number of people getting attracted towards the choppers and the bikes. These days there are motorcycles usable in different styles and design each of them offering with the perforgentlemance traitistics consequentl as to accommodate the specific riding conditions. This article will help you understand the different traitistics of the different categories of the bike kits.

characteristics of three-phase brushless motor

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As a matter of fact, it is rather difficult for people to analyze the operation characteristics of three-phase brushless motor accurately. Motor air gap flux density distribution along with the air gap by sinusoidal. When the winding is energized, magnetic flux generated by the current impact of the air gap is negligible. In the condition of the switch operation, the power transistor is constant pressure drop. Each winding is symmetry and the corresponding circuit is completely consistent. The relevant electric time constant can be neglected. The power of sensored brushless motor and others that control circuit are also negligible. Three-phase brushless DC motors are also synchronous motors. It is very important to protect the three-phase brushless dc motor drivers.

Basics of an Electric Hub Motor

There are two main types of electric bike motors, each with their own set of features and functions.

The hub motor:
• The motor is compact in size to fit into the wheel.
• Most hub motors provide great efficiency with relatively low noise.
• Many of the leading companies offer custom-made hub electric bike motors to fit the needs of the consumer.
• Initially, you have to set up the built-in programmer.
• The best models offer cruise control.
• The weight can range from 5-15kg, which is a lot.
• The power ranges from 250-1000 Watts depending on the hub motor regulations for the area.
• The price ranges from a $100 to as much as $500.
• It is extremely energy efficient with minimum loss of energy and the total cost of maintenance is surprisingly low.
• Generally, you have to modify the wheel to make room for the electric bike motor.

The brushless motor:
• The electric bike motor has electronic functioning.
• It is environmentally safe.
• The motor works with a DC current.
• Generally, a brushless motor has an integrated gearbox, which significantly increases the amount of motor torque.
• High speed cruising with this motor is a highly enjoyable experience.

If you intend on buying an e bike kit then it will come with one of these motors and probably a choice between wide ranges of power. E bike kits are easier to install for a first time user and a person with limited knowledge of machinery. However, if you want to construct an entire electric bike from scratch, then you should pay special attention to the electric bike motor specifications to select the kind that would fit your lifestyle.

Whether you are interested in purchasing an ebike or you’re looking into starting from scratch in order to create your very own customized electric bicycle, you will definitely need to know the basics of the electric bike motor.

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BLDC motor

Reluctance that the magnetic flux through the steel, air gap and magnet composed of magnetic circuit of the degree of difficulty. Magnetic flux is a very good source, the equivalent current source. Phase winding MMF is a good source, a voltage source. At low magnetic load, steel reluctance is small, and not in magnetic saturation. In high magnetic loading (typically> 1.5 T), the reluctance of steel will start with the rapid increase in magnetic saturation. Air has a very high reluctance, it has nothing to do with the magnetic load. Magnetic materials have similar characteristics.

Reluctance with the position change, so can be used as the basis of sensor operation. In all the BLDC motor, the reluctance of some changes will occur with the point of view. From the motor point of view, the reluctance of change and change in inductance as obvious. Reluctance variation has obvious advantages, because at zero speed can be detected. However, you need to know to control the motor L (i, θ) characteristics.

Unfortunately, for many BLDC motors, reluctance changes with location is too small, can not be reliably measured. Especially for surface mounting of the magnet motor, the large effective air gap, so this feature in this type of motor has been particularly evident. Therefore, the reluctance of the main part of the same, which makes the remaining changes occurred with the location is difficult to measure. In specially designed for low torque ripple of the motor, the reluctance changes will be small because of the reluctance change will produce extra torque. Magnetic or magnetic motor hidden inside the angle changes with great reluctance, but they are generally powered with sinusoidal voltage and therefore not be discussed here.

Motor BEMF waveform changes with position and velocity. It is not possible at zero speed and low speed with the BEMF detection position. However, there are many applications (such as fans and pumps) at low speed or position control loop does not need to run. For these applications, BEMF method is very suitable. There are many ways to use BEMF, the main method can be summarized as follows:
• The motor terminal voltage detection
- By direct measurement or estimated (state and DC bus voltage switching is known).
• midpoint voltage detection
- Applies only to special characteristics of Y-connection BEMF motor.
- Does not really need the first four lines. Using the resistor network and differential operation, you can re-establish the center of a star connection.
• bus current gradient detection
- Because of the change go hand in hand ahead of or behind the rotor change, bus current thus depends on the particular shape.
- Can not use the fast bus current control.

bicycle with an electric bike conversion kit

If you currently travel everywhere by car you are sure to be spending a lot of your time stuck in traffic, searching for a parking place or filling up at the petrol station. For these reasons you might be interested in a different mode of travel. Electric bikes are an environmentally friendly mode of transportation and gaining in popularity due to the many benefits they offer. You don't even have to spend a large amount of money and purchase a brand new electric bike to benefit; it is possible to convert your current bicycle with an electric bike conversion kit. Whether it will be used for pedaling through the city centre at rush hour or cycling down the country roads for pleasure it could be the answer you have been looking for.

Riding an electric bicycle is a very sustainable mode of transportation, saving on gasoline and it burns lots of calories too! Basically it is just a perfect solution that saves time, money and provides you with a healthier lifestyle! There are lots of benefits to posses an electric bicycle. For one you don't need a license to drive or insurance as it is categorized as a push bike. To own an electric bike works out far cheaper than having a car or even a scooter.

Just what is an electric bike? Basically it is an everyday bicycle with a battery powered electric motor attached, recharged by plugging it into the electricity mains. It is very simple, once you start to pedal the motor kicks in, stop pedaling the motor cuts off; pedaling speeds of up to 25kmph can be reached with the aid of the motor. Electric bikes are perfect for those who want to keep or get fit, for short distance or city centre commuting, those who have no wish to drive and active older people.

hub motor and Pump motor

hub motor armature speed transfer of thousands, and are excited (or series wound) motor, the rotor and the stator has a coil, there are still large in the low speed torque. Pump motor is an asynchronous induction motor, the stator with coils only, of course, the rotor can also be seen as a coil, but not with copper wire, and not low speed, 1,400 rpm, a 4-pole motor.

hub motor is a generic type (string-excited) motors can be common in the AC and DC power to run.

Series wound AC motor and DC motor structure is no different, such as hair dryer, mill, hub motor, and so used the motor, but did not like the DC motor with permanent magnets to generate magnetic fields. A commutator, carbon brushes, work with electric spark generated noisy. AC induction motors in general no commutator, carbon brush, the input current from the stator windings.

1, hub motor is what kind of motor?

hub motor is a series wound motor, features a brush, working in a spark, noise; torque is larger, does not require phase-shifting capacitor.

2, with the structure of the DC series motors are identical, of course, is not the same coil winding.

3, series motor is the specified sub-coils and the rotor excitation coil is in series. This heavy motor load, the current increase, the excitation current is also large, strong magnetic field generated by the torque will also increase, so a larger starting torque.

4, as mentioned earlier, AC and DC current through the coil impedance varies greatly, 220V DC 220V AC motor with a large coil is not the same, can not be universal.

China's largest hub motor research and production base

Nanyang Explosion Protection Group Co., Ltd. is a national high-tech enterprise, China's largest hub motor research and production base, the state of electromechanical products export base, China Electrical Equipment Industrial Association, hub motor sub-unit director, post-doctoral workstation station unit, with state-level enterprise technical centers, production 0.01KW-63000KW various sizes high and low pressure explosion-proof \ normal motor and electric generator, light turbo, explosion-proof fans, explosion-proof electrical and control instrumentation for China's petrochemical, oil, coal, coal, chemical, electric power, metallurgy and other industries have made important contributions.

Nanyang Explosion Protection Group Co., Ltd. is the new General Electric's largest subsidiary of Nanyang Explosion Protection Group, one of the main production of small hub motor, explosion-proof fittings and derived on this basis, the explosion efficiency motors. About 40% of products exported to Europe, America, Australia and countries. Annual production capacity of 600,000 KW, output value of 120 million yuan. The company employees 420 people in the post, including 53 engineers and technicians. The company has complete production and testing of electrical testing equipment, relying on anti-South Group's strong technical support, use of anti-Group South advanced quality management system, can produce YB3, YB2, YA, YXN, YBXN, YBK2, YBP, YB2-H, YFB, YX2, YBFB, YAXN, YBJ, YBS, YBF, YP, YI motor series and a variety of special requirements, and export PPA, XPA, PPD, NEX, NEH, NEHE and other new high-efficiency motors are widely used in domestic outside the coal, petroleum, chemical, military and other industries.

bike conversion kit manufacturing base

With China's accession to the WTO and global economic integration, motorcycles, recreational vehicles, electric cars, bicycles and spare parts market demand continues to expand, the Yangtze River Delta region is the motorcycles, recreational vehicles, electric cars, bike conversion kit manufacturing base, and This built on the market, Yiwu city

For motorcycles, recreational vehicles, electric cars, bicycles and parts sourcing domestic and international atmosphere has been formed, waiting to seize the business opportunities for domestic and international trade plays a central role in global trade flows. In recent years, Yiwu, ATV, dirt bike, go-kart and other recreational vehicles and bicycles, bike conversion kit, motorcycle trade extremely hot. More surprising is that the "whole market" big development, which greatly boosted the auxiliary parts, fasteners, supplies and other related markets. Yiwu strong market demand in the environment, the Yiwu city and the surrounding recreational vehicles, electric vehicles, motorcycles and parts supplies manufacturers have formed an industry circles. Before the fourth show has been related to government, overseas institutions, industry associations, leadership and business people recognition for 2011 show the size and grade to a new level on the foundation.

A variety of motorcycles, recreational vehicles, electric vehicles and bicycles: electric cars, electric vehicles, recreational vehicles, electric ATV, two ATV four-wheel ATV, ATV pull, children's sand cars, two motorcycles, three motorcycles, quads, single seat go-karts, two-seat card.

Small car, the beach go-karts, kart battery, single-seater recreational vehicles, two-seat recreational vehicles, recreational sports car, bumper cars, single seat, seat bumper cars, recreational vehicles, travel car, leisure motorcycles, recreational cycling, speed car , cars, electric bicycles, folding bicycles, table
Play cars, sightseeing cars, limousines, golf carts, electric sightseeing cars, electric tour buses, tour buses solar electric, electric venue vehicles, battery sightseeing car, travel tricycle.

Spare parts, supplies exhibition

A variety of vehicle accessories and supplies, recreational vehicle parts, motors, controllers, batteries, meters, power supplies, cases, chargers, tires, paint and related accessories, bike conversion kit, tools, a variety of 4X4 ​​vehicles, motorcycles of various 4X4 , sports car, automobile components and spare parts

Parts, maintenance products, battery power, air conditioning and refrigeration systems, auto decoration products, electro-mechanical systems, engines, tools, paint, wheels, tires, safety systems, a variety of bike conversion kit, electric cars, motorcycles and supplies Beauty protection products related industries. all kinds of phase.

Speed ​​BLDC motor - induction motor problems

Speed ​​BLDC motor - induction motor problems:

From the electrical point of view of BLDC motor windings burning the cause of the malfunction, and the corresponding treatment.

First, missing running

1 Symptom BLDC motor can not start, even if the load can play a start, slowly increase speed, a hum; BLDC motor smoke fever, accompanied by burning smell.

2 Remove the BLDC motor cover test results can be seen winding end 1 / 3 or 2 / 3 of the pole windings or coke or become dark brown.

3. Failure causes and treatment

(1) motor power supply circuit fuse or a bad circuit by mechanical damage, resulting in a phase fuse blown.

(2) three-phase motor power supply circuit fuse different sizes, small capacity of the fuse. Should be based on the size of motor power, replace the same size fuse.

(3) motor power supply circuit in the switch (isolating switch, plastic lid switch, etc.) and contacts of the contact is bad (burn or loose). Repair and adjust the dynamic and static contact, so that good contact.

(4) lines of a relative phase. Found at the break, and securely connected.

(5) the connection between the motor windings Weld, leading to poor contact. Carefully check the motor windings and weld cable.

Second, the overload

1 speed BLDC motor current exceeds the rating of the motor symptoms; motor temperature exceeds the rated temperature rise.

2 test results BLDC motor winding all three groups burned; bearing frame without grease or sand damage; stator and rotor core with friction, commonly known as sweep chamber.

3. Failure causes and treatment

(1) heavy load, to consider the appropriate load shedding or replacement capacity suitable motor.

(2) The supply voltage is too high or too low, the need to install three-phase power regulator compensation cabinet.

(3) BLDC motor of serious long-term erosion of damp or corrosive gases, insulation resistance. Should be based on specific circumstances, for a major overhaul or replacement of the same capacity, closed with the specifications of the motor.

(4) bearing in oil, dry or rotor mechanical misalignment, leading to sweep rotor chamber, the motor current exceeds the rating. Should first carefully check the bearing wear, and if failed to be replaced with new shaft

Cheng; Second, cleaning bearings and into the amount of grease. Then check the motor cover, cover the center hole if the rotor due to wear and tear resulting in a different heart, should cover the treatment or replacement.

(5) institutional failure of transmission parts, resulting in motor overload and burnout BLDC motor windings. Check the mechanical part of the existing failure to take measures to deal with resolve to make it flexible rotation.

the heat of bldc motor controller