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Battery management method and battery management device

A battery management and battery technology, which is applied in electrical devices, transportation and packaging, electric vehicles, etc., to achieve the effect of accurate and simple detection and timely fault reminder.

Inactive Publication Date: 2020-01-31
GREAT WALL MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the present invention aims to propose a battery management method and a corresponding battery management device to solve the problem of how to accurately and easily detect whether the fast charging relay of a new energy vehicle is normally stuck and issue a fault reminder in time

Method used

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  • Battery management method and battery management device
  • Battery management method and battery management device
  • Battery management method and battery management device

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Embodiment Construction

[0051] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0052] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0053] refer to figure 1 It is a flowchart of steps of a battery management method provided by an embodiment of the present invention, and the method may include:

[0054] Step 101, when it is detected that the main positive and main negative contacts of the battery are closed, the target voltages of multiple detection points deployed around the fast charging relay deployed in the power distribution box are detected according to preset detection rules.

[0055] In the embodiment of the present invention, when the electric vehicle is fast charged and the vehicle is powered on and off at high voltage, if the fast charging relay in the power distribution box is stuck and fails, the parts w...

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Abstract

The invention provides a battery management method and a battery management device. The battery management method comprises the following steps of detecting target voltages of a plurality of detectionpoints deployed around a quick charging relay according to a preset detection rule when detecting that a main anode and a main cathode of a battery are in contact to close; comparing the target voltages with an expected standard voltage to judge whether the quick charging relay fails or not; and if not, outputting a detection result according to a judging result. The method and device detect whether the quick charging relay is adhered normally or not accurately and simply by detecting the target voltages at the detection points deployed around the quick charging relay and comparing the targetvoltages with the expected voltage, and provide timely fault prompt.

Description

technical field [0001] The invention relates to the technical field of intelligent battery control, in particular to a battery management method and device. Background technique [0002] With the development of science and technology, new energy vehicles have gradually entered people's lives, and the use of electric vehicles for travel has become more and more common, and the resulting safety hazards have become more and more prominent. [0003] During the use of new energy vehicles, they are often impacted by large currents or overloaded, or improperly used, which will cause the fast charging relay to stick. Security risks. In the prior art, the method of detecting whether the fast charging relay is sticking is usually to use the detection method of the current detection meter connected in parallel with the main and negative relays. This method is too complicated to implement, and there is no reasonable and simple detection method and timely fault reminder. Therefore, how...

Claims

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Application Information

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IPC IPC(8): B60L3/00
CPCB60L3/0023
Inventor 岳志芹王一龙翁浩宇孟伟竺昂贾驰宇高欢李旭
Owner GREAT WALL MOTOR CO LTD