How an all-electric bike works
All-electric bicycle: It can be pedalled and driven by pure electric power. The electric drive does not need to rely on manpower, and uses the handle to control the speed to achieve 0-20km/h infinitely variable speed. Equipped with a set of 36V12Ah batteries, the range of one charge can reach 60 kilometers, which is the mainstream of the current market products.
Intelligent assisted electric bicycle: It can be called a real assisted bicycle. It has a similar operation mode as a bicycle. It can be driven by human power or powered by electricity, but has no pure electric function. There are special sensors, which respond through the control system after receiving the action of external force. The so-called power-assisted driving means that the size of the current supply is controlled by the size of the human riding force to achieve a 1:1 combination of human power and electric power. When the speed reaches 24km/h, the power supply is stopped, and the riding feels extraordinarily relaxed. Compared with pure electric drive, the mileage of the battery with the same capacity can be doubled.
Electric bicycles can be divided into friction drive, central axle sprocket drive and hub drive by the power device selected by the electric bicycle. Motor types are divided into brushless motors and brushed motors.
Friction-driven electric bicycles are equipped with battery boxes and controllers on ordinary bicycles. The wheels on the motor shaft are directly loaded on the tires, and are driven by friction. The structure is simple and the cost is low, but the tire wear is large, especially in the rainy season, it is easy to slip, the energy consumption is large, and the efficiency is low. The central axle sprocket transmission type electric bicycle, the electric motor is specially designed at the central axle of the frame, the central axle is driven by the deceleration mechanism, and then the central axle drives the rear wheel through the chain. The advantages are that the center of gravity of the motor is reasonable, and the bicycle deceleration system can be used to shift gears, but the mechanical loss is large and the efficiency is slightly lower.
E-bike consists of five parts: bicycle, battery, motor, controller and charger. Due to the differences in the design and selection of electrical supporting components by various manufacturers, their appearance, function, structure, performance and manufacturing cost are different. Types of electric bicycles: It can be divided into two categories: all-electric and intelligent power-assisted. All are equipped with power source, power plant and control system. The battery as a power source also comes with a matching charger. The intelligent assisted bicycle is a real scooter because it relies mainly on manpower and supplemented by electricity, and will become the development direction of electric bicycles.
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