Author Archives: leafmotor - Page 44

Leaf Motor motor kits for bicycles business

Posted by on January 7, 2022 Comments Off on Leaf Motor motor kits for bicycles business

Leaf Motor Technology Co.Ltd. Is the sole producer of motor kits for bicycles business. Production of motor kits for bicycles, anchor bicycles, Wanda bicycle, bicycle engine kit, electric tricycle, etc. Wanda reputation sun long, famous, sales network covered the country, exports amounted to more than 50 countries and regions. Flying Pigeon bicycles in 1954, the first national qualification was awarded first. Quality evaluation in the previous bike, won the national silver medal, light industry products International Fair Gold Medal, best-selling domestic goods, such as the National Award for the best after-sales service. In 2003, awarded by General Administration of Quality Supervision, quality inspection exemption certificate; the same year, “Flying Pigeon” bicycles are recognized as the top ten brands in China, and won numerous national honors certificate; 2005 “Flying Pigeon” brand was SAIC as Chinese Famous Brand in 2006, the State Department of Commerce awarded the “most competitive brand” title. Ministry of Commerce has been awarded the “old” in the title, “Flying Pigeon” as a trademark by the State Administration for Industry and Commerce, “National trademark protection brand” one.

Market-leading companies, to pursue “people-oriented, scientific management, leading technology, quality, customer first, business benefit,” business purpose all are leading to success. Company “quality first” approach, improve product quality assurance system, quality system has passed the ISO9001 international quality standard certification. Continuously develops new products to meet customers’ biggest needs. Now two hundred eight series of styles to meet different urban and rural areas, the diverse needs of different consumer groups.
Old brand, new style. Company employees will be “hard-working, strict, refinement, innovation” spirit, as the “Flying Pigeon”, such as life, depending on the user to God, in the fierce market competition, striving for excellence, integrity to far.

BLDC motor controller basic principles

Posted by on January 7, 2022 Comments Off on BLDC motor controller basic principles

bldc motor controller is the leading voltage AC motor running, widely used in electric fans, refrigerators, washing machines, air conditioners, hair dryer, vacuum cleaner, range hood, dishwasher, electric sewing machines (to be found food processing machines and other household appliances and various electric tools, small electromechanical devices.

bldc motor driver is divided into induction motors and AC commutator motor. Divided into single-phase induction motor asynchronous motor, AC and DC motors and repulsion motor.

bldc motor driver basic principles:

(1) When access to three-phase AC induction motor three-phase power, three-phase stator windings generate current flow through the three-phase symmetrical three-phase magnetomotive force (the stator rotating magnetic momentum) and produce a rotating magnetic field.

(2) The conductor of the rotating magnetic field and the rotor has a relatively cutting exercise, according to the principle of electromagnetic induction, EMF and rotor conductors induced current.

(3) According to the law of the electromagnetic force, the current-carrying conductor in a magnetic field in the rotor by the electromagnetic force, the formation of the electromagnetic torque, driving the rotor rotation when the motor shaft with a mechanical load, then out the output mechanical energy.

BLDC motor and brushless motor

Posted by on January 7, 2022 Comments Off on BLDC motor and brushless motor

  For a long time, there is a big battery technology R & D bottlenecks, many countries have committed to developing higher-performance electric car motor vehicle in order to obtain improved performance, China is no exception.

    As early as four years ago, the market is still in the majority of electric bicycles use BLDC motor stage. BLDC motor uses a mechanical commutation, the control system technology, less demanding, lower cost than the brushless motor, BLDC motor starting torque is slightly larger than the brushless motor.

    BLDC motor has several weaknesses: short life, noise, and low efficiency. Short life because it uses carbon brush, turning the process easier to damage. Also wear a lot of toner dust generated, these dust fall gear oil, gear oil to speed up the drying, to further increase the motor noise.

    BLDC motor used once a year or so to replace carbon brushes, carbon brushes replaced after one charge mileage car bought less than two-thirds of the time, but also in the climbing area seem less motivated, even burn control. This is because the carbon brush replacement motor, the commutator also grind a groove, so that the contact area to reduce the carbon brush, carbon brush of poor contact will spark power and speed and oxidation of copper commutator, resulting in the undesirable phenomenon.

    brushless motor is a special kind of DC motor, it uses built-in sensor plus electronic commutator method for electronic commutation, brushless motor mainly to eliminate brush wear and brush contact noise generated.

    From the low-speed electric vehicles since the advent of the motor, brush and brushless motor of the dispute has been no stop. Comparing both, brushless motor really is superior to BLDC motor, brushless motor also known for its excellent performance for the general consumer acceptance. Currently, almost all electric bikes are used a brushless motor, brushless motor instead of BLDC motor is a must.

Domestic electric BLDC motor

Posted by on January 7, 2022 Comments Off on Domestic electric BLDC motor

 The so-called nanotechnology, refers to the scale of 0.1-100 nm, the study of electrons, atoms and molecules within the law of motion and features a new technology. Scientists in the study of matter in the process, found in the nanometer scale of a few isolated, several dozens of atoms or molecules can be significantly demonstrated many new features, and making use of these features have specific functions for the technical , is called nanotechnology. Nanotechnology manufacturing of electronic devices, its performance is much better than traditional electronic devices: work fast, low power consumption, small size, light weight, electronic volume and weight greatly reduced. BLDC motor of the leader, the United Kingdom motor using nano-technology, successfully developed a new generation of internationally efficient brushless motor. After loading the measured electric car specialty stores, BLDC motor with high efficiency, low temperature rise, ride comfort, good stability, a fundamental solution to the electric vehicle motor efficiency due to low mileage due to riding too close, climbing implementation of the bridge, high energy and many other defects, the electric car race minds at ease.

    Currently, the motor was first applied to the domestic electric car companies, the first new type of motor spirit has been through Shanghai Electric Vehicle Co., Ltd. All buyout. The BLDC motor material is ultra, ultra-fine particles of new high-strength metal materials, with a special magnetic compound treatment, with superior quality, the internal magnetic field and the motor running without moving parts, compact, no travel restrictions for linear motion and circular movement with unmatched precision. Expert Review of its features love: love of electric vehicles using Aoli Xi BLDC motor, the motor will never rust, runs smoother ride, starting more stable. Shanghai Electric Vehicle Co., Ltd. spirits through the introduction of this technology developed by the “love” brand electric cars once sold in the market. When brand new cars are out of the budget, you can always cars van nuys ca.

BLDC motor control technology

Posted by on January 7, 2022 Comments Off on BLDC motor control technology

    In 2005, BLDC motor controller was developed, improved and upgraded to address the existing weaknesses in several electric vehicles, vehicle design to meet the consumers and the increasing demand for vehicle performance. It avoids the same maximum rated power output of a long, sustained the same frequency to reduce the impact of the motor, motor coordination and other systems, electric cars and stable work, greatly extending the life of electric vehicles.

    Equipped with a BLDC motor controller for electric vehicles in the cycling process, the inverter controller and inverter composed of high-efficiency motor power system, take advantage of low current, high-torque theory, in the process of riding in a timely manner according to traffic and load to adjust the output power .

    This technology works, the electric car start, climbing, a small motor current, torque, and increases the climbing ability and more power; and on a level road, the standard load driving the motor to a small current, high efficiency work, so fast, low power consumption, extend the continued line mileage.

    Install the BLDC motor system of the electric car as long as a power supply and speed, the car was immediately driven, and demonstrated a remarkable strong force, and unlike most of the electric car start when they “struggle” was a difficult time crawling This is the BLDC motor technology advantage.

    In July 2005, the Group introduced three BLDC motor MACAT electric cars, are very popular. Taiwan Tianjin growth of electric cars with electronic features brushless motor control system — electronic CVT systems, but also uses the same technology. This new motor system increases the motor torque constant, reducing the overload point, the motor phase current context, to effectively improve the speed of the motor rated load point.

    2007 by Locomotive Co., Ltd. Qing long developed similar to the motorcycle gear with three power electric cars is based on such frequency control technology.

    This technology effectively improve the electric vehicle drive system features a certain extent, solve the electric vehicle the problem of poor climbing ability, and easy manipulation of the user, complete electric car downshift speed and overall performance has made great breakthroughs .

Bike Conversion kit with dual motor

Posted by on January 7, 2022 Comments Off on Bike Conversion kit with dual motor

Bike Conversion kit with dual motor

SkyHawk brand GAS in China: Dual Motors: 2×2 36V and 48V Billy Hill model.

 # 1. 2×2 Drive Billy of the Hill: bent 36V 350 watts. Engine Kit 26 “:

# 2. Drive 2×2 Hill Billy: 48V 450 watt bend. Engine Kit 26 “:

  Our motto: Save money: Get Energy: Why buy one complete E-bike motor of the mountain when you have a mountain bike and may already have 2×2 drive power?

 Complete kit to convert the “26 standard on electric bike conversion kit with Dual PMGR engines in front and rear wheels. Battery Charger Included: Just redesigned controller manages the engine in single mode or bending mode 2×2 drive. Gas of China offers the only doubles kit drive in China. A technology first!

 The bike frame is not included, for the purpose of illustration only. Shown with option package cell lithium battery in the lock box and aluminum loading. Regulator mounting at the bottom of the carrier rack.

 allows selective drive 2×2 rear wheel drive, or drive or both of the front wheel at the same time to steep hills.

 You can use lead acid batteries sealed gel cell. Or NiMh pack of lithium ion cell. Carrier upper lock and battery charging. The kit provided fewer batteries. Batteries ordered separately option.

 Engine option DD of the old style or new brushless motor super quiet PMGR style with planetary gears for increased torque. Choice of front-wheel drive or rear wheel drive suitable for bikes with multiple speeds.

 Adjustments 26 “mountain bikes roll as shown in picture. 2 engines in 2 pre-installed inside edges of the wheel tire HD 2195. A controller handles both engines simultaneously, a gas of China first.

 Needs only about 1.1 hours to install on a mountain bike oil dispenser.

The HID electric bike conversion kit

Posted by on January 7, 2022 Comments Off on The HID electric bike conversion kit

HID bike conversion kit, xenon headlight, Well-done products.

The HID electric bike conversion kit, xenon kits, HID car kits.

Well-Done Advantage: We use the best materials and superior technology. Miscellaneous qualitty the cause of diverse materials, well-done piontly knew this very clearly, therefore, our electronic components are imported from Japan, first-line equipment imported from Germany Braun, we use the best current technology in the world but NOT the best current method. Our factory is ISO9001 and ISO14000 certified, our products are CE and RoHS HID certificates, and use our own patent HID bulb lifetime a brighter and longer and less glare compared to f150 lights and other brands. The course of true life is more than 3000 hours, the lumen may remain more than 80% after 2200 hours of burning, which is 60% higher compared to other brands. Well-Done ballasts are intelligent Digital ballasts that are “self depending on the source of energy”, this feature makes the system to be firm HID stabilize end and no matter how fluctuating energy imput is.

Well-Done has been producing high quality HID lights for over 8 years we are so very proffesional to produce high quality HID lights true, and have about 5 years export experience and have many long-term cooperative paterners especially in Europe , Well-Done we are a brand known and highly evaluated in Europe, as Nertherland and Spain. Well-Done The aim is to offer the best products and best customer service, we do our best in each procedure, with our solid foundation and the best customer service thoughtful, you will gain very good reputation and get more benefit material.

Ballasts and bulbs Well-done are very high quality and defective rate is far less than 1%.

BLDC motor vehicle idling is a component

Posted by on January 7, 2022 Comments Off on BLDC motor vehicle idling is a component

BLDC motor vehicle idling is a component. Referred to as idle the engine idling. Its role is: idle, according to the level of the engine temperature and load size, change the idle air channel cross-sectional area of ​​the engine under different conditions have the best idle speed.

BLDC motor controller is mainly used to bear the car idle, and its purpose is to be used according to the idle time to adjust the idle speed of engine load. Idle stepper motor mounted on the throttle body from the engine controller to control engine idle speed, engine speed deviation from the idle, the valve regulating flow from section to control the intake manifold into the air by the mechanical operation of the accelerator pedal steel wire rope . Throttle body with a bypass air channel, to provide air in the engine idling (when the throttle is closed). BLDC motor automatically pivot into his bypass air tract, which regulate air flow through the engine controller according to a variety of sensor inputs, the use of mobile automated BLDC motor controller for pivot out of the bypass air channel adjust engine idle speed. When the ignition key to open position, automatically BLDC motor to work. The switch signal input ECU, the engine is in idle perception condition. At the same time, real-time position in which the motor from the motor position sensor feedback to the ECU.

hub motor damage

Posted by on January 7, 2022 Comments Off on hub motor damage

Most car engines are now electronically controlled fuel injection type gasoline engine, idling turn off for many reasons, first turn off idle to analyze the symptoms. If the engine enters the idle will stall, which we call “no idle”, caused by the reasons for this failure are generally: the engine hub motor damage; brake vacuum booster vacuum tube leaking; brake broken vacuum booster film; intake manifold leak; engine electronic control unit (ECU) in the idle speed control module problems. If the engine will stall at idle sometimes, and then restart normally, and we call it “intermittent idle flame”, this failure is very difficult to check, due to reasons are many, and a variety of components or circuits not completely damaged, and more occasional headache is due to turn off the engine after the restart and can return to normal, so even if due to the sensor causes the engine idle speed turn off the engine electronic control unit will think that this is not a malfunction, and will not be the engine electronic control unit record and therefore not from the engine electronic control unit fault diagnosis system to obtain information about the failure. Savannah, GA truck accident lawyer Geroge Smithe has exclaimed publicly the need to improve our detection models for this “Intermittent idle turn off” the general reasons are: the engine hub motor are catching; hub motor cortex some frayed wires; dirty idle air hole; engine throttle position sensor problem; camshaft position sensor or crankshaft position sensor has problems; engine speed sensor problem or dirty; the engine electronic control unit in the idle speed control program in question, etc. In addition, if the quality of gasoline can also cause problems such failure. Idle stall usually does not cause any harm, because the engine running at idle, often when the vehicle is stopping, if the idle speed when the vehicle stalled in the slide, due to the distance from the obstacle in front, you can take appropriate measures to avoid dangerous . Of course, if you happen to occur when the emergency brake turn off, then on the great harm, because once the engine is off, the vacuum brake booster does not work, the vehicle’s braking performance greatly reduced, and the direction of the power unit failure, the vehicle’s steering is heavy, if coupled with your panic, it is difficult to avoid a car accident but if somebody did. Generally speaking, according to an auto injury lawyer you have a legal duty to keep a proper lookout, and you have a legal duty to exercise due care. These duties are somewhat analogous to riding with situational awareness– that is, being aware of what is happening in the road environment and how that may affect you. You do not have a legal duty to anticipate the illegal behavior of others on the road. Nevertheless, if you are observant of your surroundings, and are able to assess the potential dangers posed by the actions of others, regardless of whether those actions are legal or not, you will be able to respond to potential hazards before they become actual collisions.It’s impossible to avoid intersections, but attention to the safety precautions mentioned above will reduce your risk of virtually every type of collision in an intersection.

Wheel hub motor of electric vehivles

Posted by on January 7, 2022 Comments Off on Wheel hub motor of electric vehivles

Wheel hub motor is one kind of electric motor of electric vehivles.

Electric bike hub motor has different forms based on their different frequencys and environmental conditions . Hub motors Characterized by different forms also have different features. Now widely used in electric vehicle motor permanent magnet DC motor. The so-called permanent magnet motor, is the use of permanent magnet motor coil excitation, do not use the coil excitation means. This eliminates the excitation coil power consumption when working to improve the mechanical and electrical conversion efficiency of the motor, this car is limited to the use of electric vehicles in terms of energy, can reduce the driving current, the line continued to extend the mileage. Electric vehicle motor according to motor power in the form of points, and the brush motor can be divided into two major categories of brushless motor; according to the mechanical structure of the motor assembly points, generally divided into the “teeth” (the motor speed is high, need to go through gear deceleration) and the “no teeth” (motor torque output without any slowdown) two categories.