US 11,721,871 B2
Terminal protection device and battery module
Daohui Liu, Ningde (CN); Jihua Yao, Ningde (CN); Yangzhi Huang, Ningde (CN); Shengtian Cai, Ningde (CN); Sheng Shen, Ningde (CN); and Haidong Zhang, Ningde (CN)
Assigned to Contemporary Amperex Technology Co., Limited, Ningde (CN)
Filed by Contemporary Amperex Technology Co., Limited, Ningde (CN)
Filed on Dec. 1, 2021, as Appl. No. 17/539,224.
Application 17/539,224 is a continuation of application No. PCT/CN2020/084341, filed on Apr. 11, 2020.
Claims priority of application No. 201920823079.6 (CN), filed on Jun. 3, 2019.
Prior Publication US 2022/0094012 A1, Mar. 24, 2022
Int. Cl. H01M 50/296 (2021.01); H01M 50/209 (2021.01)
CPC H01M 50/296 (2021.01) [H01M 50/209 (2021.01)] 18 Claims
OG exemplary drawing
 
1. A terminal protection device for a battery module, wherein the battery module comprises multiple unit cells, and the terminal protection device comprises:
a base, comprising a bottom portion and a side plate connected to a peripheral side of the bottom portion, the side plate defining a receiving cavity together with the bottom portion and being provided with an input port through which an output terminal passes, and the input port being in communication with the receiving cavity,
wherein the side plate is provided with an access port, the access port is in communication with the receiving cavity so that an external electrical connector is able to pass through the access port and be connected with the output terminal, a protection plate is disposed at the access port, and the protection plate is disposed to detachably cover the access port,
wherein the output terminal is an output terminal of the battery module, and is used to connect with the external electrical connector to achieve interconnection between multiple battery modules when the multiple battery modules are connected to each other, and
wherein the side plate comprises sliding slots extending in a third direction on inner surfaces facing the access port; and the protection plate comprises a body portion and sliding plates located on two opposite edges of the body portion, and the sliding plates are movable relative to the sliding slots, so that the protection plate is detachably disposed in the sliding slots through the sliding plates.