US 12,334,582 B2
Upper cover assembly and battery pack
Haihua Huang, Ningde (CN); and Zequan Lu, Ningde (CN)
Assigned to CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED, Hong Kong (CN)
Filed by CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED, Hong Kong (CN)
Filed on Oct. 18, 2021, as Appl. No. 17/504,295.
Application 17/504,295 is a continuation of application No. PCT/CN2019/089320, filed on May 30, 2019.
Claims priority of application No. 201920555844.0 (CN), filed on Apr. 23, 2019.
Prior Publication US 2022/0052414 A1, Feb. 17, 2022
Int. Cl. H01M 50/358 (2021.01); H01M 50/204 (2021.01); H01M 50/271 (2021.01)
CPC H01M 50/358 (2021.01) [H01M 50/204 (2021.01); H01M 50/271 (2021.01)] 5 Claims
OG exemplary drawing
 
1. An upper cover assembly, comprising:
an upper cover body comprising a top plate extending in a length direction and a side plate extending in a height direction, wherein the side plate is connected to an outer periphery of the top plate, and two exhaust vents are respectively provided in the side plate, wherein along the height direction, each one of the two exhaust vents is in a form of a recess of the side plate; and
an exhaust unit comprising a first exhaust unit and two second exhaust units, wherein the two second exhaust units communicate with each other and the first exhaust unit, the first exhaust unit extends in a width direction and is fastened to the top plate, the two second exhaust units are respectively fastened to two ends of the first exhaust unit in the width direction and also fastened to an inner wall of the side plate, and the first exhaust unit communicates with the two exhaust vents through the two second exhaust units, respectively,
wherein the first exhaust unit further comprises an exhaust plate, the exhaust plate is provided with a first inlet hole through the exhaust plate, and an exhaust channel is formed by the exhaust plate and an inner wall of the top plate, the first inlet hole communicates with the two exhaust vents through the exhaust channel and the two second exhaust units,
wherein, on each one of two opposite sides of the exhaust plate along the length direction, the exhaust plate is provided with two support pins respectively connected to each one of the two ends of the exhaust plate along the width direction, and the support pins are welded to the inner wall of the top plate.