Battery output power control method in electric vehicle safety anti-collision system

A technology of battery output power and anti-collision system, which is applied in electric vehicle charging technology, electric vehicles, battery/fuel cell control devices, etc., and can solve problems such as the combination of battery safety and anti-collision functions

Active Publication Date: 2021-09-10
湖北东瀚空港设备科技有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

[0004] Although the above-mentioned patent documents can control and adjust the output power of the battery, they do not

Method used

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  • Battery output power control method in electric vehicle safety anti-collision system
  • Battery output power control method in electric vehicle safety anti-collision system
  • Battery output power control method in electric vehicle safety anti-collision system

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Embodiment Construction

[0027] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

[0028] figure 1 It is a schematic diagram of the control of the current vehicle collision avoidance system. This technical solution is as figure 2 and image 3 As shown, in the battery output power control method in the electric vehicle safety collision avoidance system, the signals of the vehicle speed and the distance measuring sensor are directly connected or sent to the BMS (battery management system) by CAN communication, and the PCU (discharge output power control unit) is controlled. , according to the distance between the target object and the vehicle in front of the vehicle, the speed of the vehicle itself, the brake pedal signal and the accelerator pedal as constraints, the battery discharge output power is au...

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Abstract

The invention provides a battery output power control method in an electric vehicle safety anti-collision system, and belongs to the technical field of electric vehicles. The technical problem that the safety coefficient of an existing electric automobile safety anti-collision system is not high enough is solved. According to the battery output power control method in the electric automobile safety anti-collision system, signals of the automobile speed and the distance measuring sensor are directly connected or sent to a BMS (battery management system) through CAN communication, and a PCU (discharge output power control unit) is controlled; 0-100% programmable output of the battery discharge output power is automatically set according to the distance between a target object in front of the running vehicle and the vehicle, the vehicle speed of the vehicle, a brake pedal signal and an accelerator pedal as constraint conditions. According to the method, the discharging output power of the battery is controlled according to the speed of the vehicle in the running process, the distance between the vehicle and the target object and the brake signal state, and the potential safety risk of the vehicle can be controlled from the energy source.

Description

technical field [0001] The invention belongs to the technical field of electric vehicles, and relates to an electric vehicle safety anti-collision system, in particular to a battery output power control method in the electric vehicle safety anti-collision system. Background technique [0002] As an environmentally friendly new energy vehicle, electric vehicles are becoming more and more popular among the people. Batteries are an important part of electric vehicles, providing energy for the power of electric vehicles. The battery manufacturing technology of electric vehicles is now approaching maturity. As cars become more and more intelligent, the anti-collision system of electric vehicles has gradually become one of its standard configurations. At present, the car anti-collision system is based on tracking and recognition, using millimeter-wave radar, ultrasonic ranging sensor, collision switch or 3D camera to accurately detect the target in front of the car, and transmit t...

Claims

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Application Information

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IPC IPC(8): B60L58/10
CPCB60L58/10B60L2240/54Y02T10/70Y02T90/16
Inventor 文民青文润发徐中亚
Owner 湖北东瀚空港设备科技有限公司
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