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Electric vehicle high-voltage loop safe control method and device

A high-voltage circuit and electric vehicle technology, which is applied to electric vehicles, electrical devices, vehicle components, etc., can solve the problems of unsafe vehicles and personnel, and achieve the effect of improving reliability and vehicle control performance

Active Publication Date: 2016-12-07
BEIJING HYUNDAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem solved by the solution provided according to the embodiment of the present invention is that the accidental opening of the charging cover during the driving of the vehicle causes the safety of the vehicle and personnel.

Method used

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  • Electric vehicle high-voltage loop safe control method and device
  • Electric vehicle high-voltage loop safe control method and device
  • Electric vehicle high-voltage loop safe control method and device

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Embodiment Construction

[0035] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described below are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0036] figure 2 It is a flow chart of a method for safety control of a high-voltage circuit of an electric vehicle provided by an embodiment of the present invention, as shown in figure 2 shown, including:

[0037] Step S201: The vehicle controller determines whether the accidental opening of the charging cover occurs during the driving of the vehicle according to the real-time detection result of the opening state of the charging cover;

[0038] Step S202: When the vehicle controller determines that the charging cover is accidentally opened while the vehicle is running, keep the high-voltage circuit connected so that the vehicle can run;

[0039] Ste...

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Abstract

The invention discloses an electric vehicle high-voltage loop safe control method and device. The method comprises the steps that whether a charging cover is accidentally opened or not in the vehicle running process is judged through a vehicle control unit according to charging cover opening state real-time detection results; when it is judged that the charging cover is accidentally opened in the vehicle running process by the vehicle control unit, a high-voltage loop is kept being in a closed state so that a vehicle can run; and in the period that the high-voltage loop is kept being in the closed state, the vehicle control unit detects the vehicle running speed and switches the high-voltage loop to the open state after it is detected that the vehicle speed is decreased to zero. Through the electric vehicle high-voltage loop safe control method and device, the out-of-control phenomenon that a charging cover is accidentally (due to mechanical vibration impact and the like) opened and endangers persons and vehicles in the vehicle running process is avoided, the vehicle control performance is improved, and the vehicle operation reliability is improved.

Description

technical field [0001] The invention relates to the technical field of complete electric vehicle control, in particular to a method and device for safety control of a high-voltage circuit of an electric vehicle. Background technique [0002] In recent years, environmental pollution has become increasingly serious, and air quality has continued to deteriorate. The exhaust gas of traditional fuel vehicles contains a large amount of pollutants, which is one of the causes of smog. The research on electric vehicles is emerging when environmental protection and energy issues are increasingly concerned. At present, the national strategic plan for the development of electric vehicles has been implemented. In order to cope with environmental and energy crises in the future, the research and development and large-scale use of electric vehicles will become The inevitable trend. Compared with traditional internal combustion engine vehicles, electric vehicles generally have an electrica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L3/00
CPCB60L3/00
Inventor 张帅领孙保国张宇曹桂军刘飞应翔
Owner BEIJING HYUNDAI
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