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Battery pack charging system having structure capable of preventing overcharging, and vehicle comprising same

A charging system and battery pack technology, applied in the direction of battery/battery traction, battery circuit devices, battery pack components, etc., to achieve the effect of ensuring safety

Pending Publication Date: 2020-12-04
LG ENERGY SOLUTION LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is a problem that when devices such as PTC thermistor (positive temperature coefficient thermistor), TCO (thermal cut-out) and thermal fuse (thermal fuse) are placed in such a high temperature environment, they will fail prematurely. operate

Method used

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  • Battery pack charging system having structure capable of preventing overcharging, and vehicle comprising same
  • Battery pack charging system having structure capable of preventing overcharging, and vehicle comprising same
  • Battery pack charging system having structure capable of preventing overcharging, and vehicle comprising same

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Embodiment Construction

[0034] Hereinafter, preferred embodiments of the present disclosure will be described in detail with reference to the accompanying drawings. Before the description, it should be understood that the terms used in the specification and appended claims should not be construed as limited to the ordinary and dictionary meanings, but should be based on the principle of allowing the inventor to define the terms appropriately to obtain the best interpretation The above is interpreted based on the meanings and concepts corresponding to the technical aspects of the present disclosure. Therefore, the descriptions presented herein are preferred examples for illustrative purposes only, and are not intended to limit the scope of the present disclosure, so it should be understood that other equivalents and Revise.

[0035] First, refer to Figure 1 to Figure 5 , the overall configuration of the battery pack charging system according to the embodiment of the present disclosure will be descr...

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Abstract

A battery pack charging system according to one embodiment of the present invention comprises: a battery pack comprising a plurality of battery cells; a charging device which is connected to both endsof the battery pack and which supplies a charging electric current to the battery pack; a switch which is connected between the battery pack and the charging device, and which allows or blocks the flow of the charging electric current; and an electric current blocking member which is mechanically connected to the switch, and which turns off the switch by inducing a bending modification, if a potential difference formed between the two ends of the battery pack is greater than or equal to a reference value.

Description

technical field [0001] The present disclosure relates to a battery pack charging system having a structure capable of preventing overcharging and a vehicle including the battery pack charging system, and more particularly, to a battery pack charging system including a current blocking member and a battery pack including the battery pack A vehicle of a charging system, the current blocking member capable of blocking flow in a circuit by changing the shape of the current blocking member according to the potential difference applied between two surfaces and operating a switch connected between a battery pack and a charging device current. [0002] This application claims priority from Korean Patent Application No. 10-2018-0138450 filed in Korea on November 12, 2018, the disclosure of which is incorporated herein by reference. Background technique [0003] Fuse devices currently used in secondary batteries include positive temperature coefficient (PTC) thermistors, thermal cut-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L58/14B60L58/18B32B15/08B32B37/06
CPCB60L58/15B32B27/28B32B27/286B32B2605/08B32B15/20B32B2250/40B32B2307/206B32B15/085B32B27/322B32B2457/10B32B2250/03Y02T10/62B60L3/0046B60L3/04B60L58/14B60L50/10B60L50/61B60L50/64B60L53/20H01H57/00B60L2240/545F03G7/0121B60L58/10B32B15/08B32B37/06B32B2307/202B60L53/00B60L58/18H02J7/00302H01M50/249H01M50/574H01M50/211B32B15/043H01M10/46H01M2220/20H02J7/0013H02J7/14
Inventor 尹瑞玲李松叶
Owner LG ENERGY SOLUTION LTD
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