Pure electric vehicle brake energy recovery system and working method thereof

A braking energy recovery, pure electric vehicle technology, applied in electric braking systems, electric vehicles, brakes, etc., can solve the problems of poor power performance, insufficient driving range, and the inability to widely promote and use pure electric vehicles, etc. Achieve the effect of good maintainability, simple structure and reasonable design

Pending Publication Date: 2019-08-16
FUZHOU UNIVERSITY
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Problems solved by technology

[0002] Pure electric vehicles are new energy vehicles with zero emissions and zero pollution. Countries around the world are stepping up the pace of research and development of new techno

Method used

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  • Pure electric vehicle brake energy recovery system and working method thereof
  • Pure electric vehicle brake energy recovery system and working method thereof

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Embodiment Construction

[0017] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0018] The invention provides a pure electric vehicle braking energy recovery system, such as figure 1 As shown, it includes a brake pedal 1, a brake signal sensor 2, an electronic control unit (ECU) 3, a motor control circuit 4, a motor 5, a hydraulic adjustment system, and a power generation and storage system. The hydraulic adjustment system includes a hydraulic brake control circuit 6 for receiving ECU control commands, an ABS sliding mode controller 7 for ensuring safety performance, and a brake hydraulic valve 8 for adjusting brake hydraulic pressure, thereby controlling the hydraulic braking force, Ensure car brake safety. The power generation and storage system is the power source for driving the car, including a rectifier 9, a filter 10, a potentiometer 11 and a battery 12, and the motor 5 is electrically connected to the ba...

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Abstract

The invention relates to a pure electric vehicle brake energy recovery system. The pure electric vehicle brake energy recovery system comprises a brake pedal, a brake signal sensor, an electric control unit, a motor control circuit, a motor, a hydraulic adjusting system and an electricity generating and storage system, the hydraulic adjusting system comprises a hydraulic brake control circuit, anABS sliding mode controller and a brake hydraulic valve, the brake signal sensor is mounted on the brake pedal and electrically connected with the electric control unit to collect brake signals, the electric control unit is electrically connected with the motor control circuit and the hydraulic brake control circuit, is used for judging the brake strength of a vehicle and calculating the needed brake torque, and sends control commands to the motor control circuit and the hydraulic brake control circuit, and the motor control circuit is electrically connected with the electricity generating andstorage system through the motor to receive the control commands from the electric control unit, controls the motor to brake, and recycles and stores the kinetic energy of the vehicle. According to the pure electric vehicle brake energy recovery system and a working method thereof, the brake safety is guaranteed advantageously, and meanwhile the energy source utilizing efficiency of the vehicle is advantageously improved.

Description

technical field [0001] The invention relates to the technical field of pure electric vehicles, in particular to a braking energy recovery system for pure electric vehicles and a working method thereof. Background technique [0002] Pure electric vehicles are new energy vehicles with zero emissions and zero pollution. Countries around the world are stepping up their efforts to develop new technologies. However, pure electric vehicles cannot be widely promoted and used at present. The main reason is that their driving range is insufficient and their power performance is not good. Electric vehicles in the city brake more frequently, and vehicles with energy recovery can recover the energy lost in braking, which can increase the driving range by 10% to 20%. Reasonable use of motor regeneration can not only recycle electricity, increase the mileage of electric vehicles on a single charge, but also improve the braking performance of vehicles, so that cars can stop smoothly, which ...

Claims

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Application Information

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IPC IPC(8): B60L7/10B60L15/20B60T13/66
CPCB60L7/10B60L15/20B60T13/66Y02T10/72
Inventor 张卫波林镇北刘丰朱清梁昆
Owner FUZHOU UNIVERSITY
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