Direct-current low-voltage self-power supply device of driving system of driving motor for electric automobile
A technology of DC low-voltage power supply and driving motor, which is applied in electric vehicles, circuit devices, electric traction, etc., and can solve problems such as potential safety hazards of electric vehicles
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[0008] Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0009] The DC low-voltage self-power supply device of the electric vehicle drive motor drive system of the present invention is mainly composed of a controller DC / DC converter 5, a vehicle-mounted DC low-voltage power supply detection device 9, a control circuit 7, etc., and the controller DC / DC converter 5 will drive the motor. The DC high-voltage power supply 4 of the drive circuit 7 is converted into the available DC low-voltage power supply of the control circuit 7. The function of the vehicle-mounted DC low-voltage power supply detection device 9 is to detect whether the vehicle-mounted DC low-voltage power supply 10 is working normally. The function of the control circuit 7 is to control the driving motor 1. state.
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