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Safety state detection device and method of battery system and power battery system

A technology of safe state and battery system, applied in measurement devices, secondary batteries, battery pack components, etc., can solve problems such as hidden safety hazards and inaccuracy, and achieve the effect of improving detection accuracy

Pending Publication Date: 2022-07-22
CHERY AUTOMOBILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The above monitoring of the corresponding working parameters of the battery pack will be inaccurate, resulting in potential safety hazards when the battery pack is used in the vehicle

Method used

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  • Safety state detection device and method of battery system and power battery system
  • Safety state detection device and method of battery system and power battery system
  • Safety state detection device and method of battery system and power battery system

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Embodiment Construction

[0033] In order to make the objectives, technical solutions and advantages of the present disclosure clearer, the embodiments of the present disclosure will be further described in detail below with reference to the accompanying drawings.

[0034] In order to facilitate the understanding of the embodiments of the present disclosure, the structure of the battery system is briefly described below. In the embodiments of the present disclosure, the battery system refers to a cell to chassis (CTC, Cell to Chassis) battery system, that is, the battery pack is integrated into the chassis of the vehicle, which can increase the utilization of interior space and save manufacturing costs.

[0035] figure 1 It is a schematic diagram of a battery system provided by an embodiment of the present disclosure. like figure 1 As shown, the battery system includes: an upper cover 100 and a battery unit 200, the upper cover 100 is integrated with the vehicle chassis, and in the first direction, t...

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Abstract

The invention provides a safety state detection device and method of a battery system and a power battery system, and belongs to the technical field of safety detection of battery systems. The safety state detection device comprises a detection unit and a control unit, the detection unit is connected with the upper cover, the detection unit is used for outputting a detection signal, and the detection signal is used for reflecting the deformation amount of the upper cover in the first direction; the control unit is electrically connected with the detection unit, and the control unit is used for determining the safety state of the battery system according to the deformation amount, the first gap and the electric gap safety range. Whether the battery system is safe or not can be detected with high precision through the device.

Description

technical field [0001] The present disclosure belongs to the technical field of battery system safety detection, and in particular relates to a battery system safety state detection device, method and power battery system. Background technique [0002] As one of the key components of an electric vehicle, the safety performance of the battery system directly affects the vehicle safety of the electric vehicle. With the continuous advancement of technology, more and more electric vehicles use the battery and chassis integrated (CTC, Cell to Chassis) battery system, which combines the floor panel of the car with the upper casing of the battery pack, so as to integrate the battery into one. The package is integrated into the chassis of the car to increase the space utilization in the car and save manufacturing costs. Since the CTC battery system uses the upper casing of the battery pack as the floor of the passenger compartment, the battery pack will inevitably be subjected to p...

Claims

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Application Information

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IPC IPC(8): G01R31/378G01R31/382H01M10/48H01M50/271H01M50/249H01M50/244
CPCG01R31/378G01R31/382H01M10/48H01M50/271H01M50/249H01M50/244
Inventor 王磊海滨叶光保杨东陆发燕
Owner CHERY AUTOMOBILE CO LTD
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