Easing acceleration device for electric vehicles
An acceleration device, electric vehicle technology, applied in electric vehicles, transportation and packaging, power management and other directions, can solve the problems of large zero-speed torque, large torque, difficult to control and so on
Inactive Publication Date: 2019-12-27
蔡文田
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Problems solved by technology
However, for electric vehicles, the zero-speed torque of the drive motor is quite large, especially for two-wheeled electric vehicles, which have no clutch and direct drive start, which will cause safety problems such as unstable start control and sudden rush
[0003] Because the operating environment is mountainous and hilly, the electric bicycles (electric bicycles) with wheel hub motors have insufficient climbing ability, so it is necessary to increase the horsepower or change gears and speed motors to have the ability to climb slopes, so that it is convenient to use; resulting in two-wheeled The electric scooter has too much torque when starting and running at low speed (low speed), and it is difficult to control, and injuries from crashes occur frequently, especially for female drivers, who are often regarded as fearful of the road.
Method used
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[0020] see figure 1 , is the circuit diagram of the first embodiment of the electric vehicle slowing and accelerating device of the present invention, including a slowing and accelerating circuit 10, a controller 20, a driving motor 30, a driving wheel 40 and a switch 50, etc.
[0021] The switch 50 is connected to the input terminal of the relaxation and acceleration circuit 10, and the output terminal of the relaxation and acceleration circuit 10 is connected to the controller 20, and the controller 20 is a DC / AC converter (inverter), which converts the DC power into three The alternating current power is output to the drive motor 30 to rotate the drive wheel 40 .
[0022] The moderation and acceleration circuit 10 includes a smoothing circuit 100, which slows down the rising slope of the signal voltage VT (outputted by the switch 50) to moderate the violent acceleration of the electric vehicle, so that the electric vehicle is easy to control and avoids danger when driving. ...
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The present invention relates to a smooth accelerating device of an electric vehicle. An electric switch is connected to an input terminal of the smooth accelerating device. An output terminal of the smooth accelerating device is connected to a controller. The controller is a DC / AC inverter for converting DC power to three-phase AC power and outputting the three-phase AC power to a driving motor to enable a driving wheel to rotate. The smooth accelerating device also comprises a smoothing circuit to alleviate rising slope of voltage VT of an output signal of the electric switch so as to prevent intense acceleration, so that control is easy when the electric vehicle is started or driven, and danger caused by violent impact is prevented.
Description
technical field [0001] The invention relates to a gentle acceleration device for an electric vehicle, in particular to a gentle acceleration when the electric vehicle is started or running, so that it is easy to control, does not cause violent shock, and has safety. Background technique [0002] According to general gasoline and diesel vehicles, when starting, you need to step on the brake pedal, start the engine, and maintain a stable idle speed before shifting into gear and driving, so starting and driving is very safe. However, for electric vehicles, the zero-speed torque of the drive motor is quite large, especially for two-wheeled electric vehicles, which have no clutch and direct drive start, which will cause safety problems such as unstable start control and sudden rush. [0003] Due to the use of the environment with many hills and slopes, the electric motorcycles (electric bicycles) with wheel hub motors have insufficient climbing ability. It is necessary to increas...
Claims
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IPC IPC(8): B60L15/20
CPCY02T10/72
Inventor 蔡文田
Owner 蔡文田