What are the components of a lithium-ion battery electric bicycle

The charger is a device that supplements the battery with electrical energy, and is generally divided into two-stage charging mode and three-stage charging mode. Two-stage charging mode: first, constant voltage charging, the charging current gradually decreases with the increase of battery voltage, when the battery power is replenished to a certain level, the battery voltage will rise to the set value of the charger, and then it will be converted to trickle charging. Three-stage charging mode: at the beginning of charging, first charge with constant current and quickly replenish energy to the battery; after the battery voltage rises, switch to constant voltage charging, at this time the battery energy is slowly replenished, and the battery voltage continues to rise; reaching the charger's end-of-charge voltage When the value is reached, switch to trickle charge to maintain the battery and supply the battery's self-discharge current. 2. Batteries are on-board energy supplies for electric vehicles. Lithium-ion battery electric vehicles use the latest lithium-ion batteries. Tips for use: The main control board of the controller is the main circuit of the electric vehicle, which has a large working current and will emit large heat. Therefore, do not park the electric vehicle in the sun or expose it to rain for a long time to avoid malfunction of the controller. 3. Controller The controller is a component that controls the speed of the motor, and is also the core of the electrical system of an electric vehicle. It has undervoltage, current limiting or overcurrent protection functions. The intelligent controller also has a variety of riding modes and a self-checking function for the electrical components of the vehicle. The controller is the core component of electric vehicle energy management and various control signal processing. 4. Handlebars, brake handles Handlebars, brake handles, etc. are the signal input components of the controller. The handle signal is the driving signal for the rotation of the electric vehicle motor. The brake handle signal is an electrical signal that the brake outputs to the controller from the internal electronic circuit when the electric vehicle brakes; after the controller receives this signal, it will cut off the power supply to the motor, so as to realize the brake power-off function. 5. Power-assisted sensor The power-assisted sensor is a device that detects the pedal force back to the pedal speed signal when the electric vehicle is in the assisted state. According to the electric drive power, the controller can automatically match the manpower and electric power, and jointly drive the electric vehicle to rotate. 6. Motor The most important accessory of an electric bicycle is the motor. The motor of an electric bicycle basically determines the performance and grade of the car. The motors used in today's electric bicycles are mostly high-efficiency rare earth permanent magnet motors. Among them, there are three important ones: high-speed brush + gear reduction motors, low-speed brush motors and low-speed brushless motors. At present, the high-speed brush + gear reduction motors have the best performance. Good, the price is also expensive; low-speed brush motors are cheaper, but the performance is worse; brushless motors have very high requirements on the quality of the controller, and there are not many brands on the market. It is best for ordinary consumers to choose the brand when buying. 7. Lamps, instrument lamps, and instrument parts are a combination of parts that supply lighting and display the status of electric vehicles. The instrument generally supplies battery voltage display, vehicle speed display, riding status display, lamp status display, etc. The intelligent instrument can also display the failure status of various electrical components of the vehicle. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete. Previous post: What is the difference between 18650 battery and soft-pack lithium-ion battery?