US 12,381,269 B2
Battery pack box and battery pack
Zhichao Wang, Ningde (CN); Linggang Zhou, Ningde (CN); and Peng Wang, 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 Jul. 28, 2021, as Appl. No. 17/386,834.
Application 17/386,834 is a continuation of application No. PCT/CN2019/075364, filed on Feb. 18, 2019.
Claims priority of application No. 201920171822.4 (CN), filed on Jan. 30, 2019.
Prior Publication US 2021/0391618 A1, Dec. 16, 2021
Int. Cl. H01M 10/613 (2014.01); H01M 10/615 (2014.01); H01M 10/625 (2014.01); H01M 50/204 (2021.01); H01M 50/24 (2021.01); H01M 50/249 (2021.01)
CPC H01M 10/613 (2015.04) [H01M 10/615 (2015.04); H01M 10/625 (2015.04); H01M 50/204 (2021.01); H01M 50/24 (2021.01); H01M 50/249 (2021.01); H01M 2220/20 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A battery pack box, comprising a base plate and a frame, the base plate being connected with the frame;
wherein the base plate comprises:
a first plate;
a second plate, disposed opposite and spaced to the first plate; and
a perforated plate, provided with a plurality of holes spaced;
wherein the perforated plate is located between the first plate and the second plate, and is welded and fixed to the first plate and the second plate respectively;
wherein the base plate comprises a reinforcing crossbeam, the reinforcing crossbeam is located between the first plate and the second plate, and connecting the first plate and the second plate to each other;
wherein the reinforcing crossbeam comprises a heating plate, the heating plate is configured to heat the base plate when being energized, a surface of the reinforcing crossbeam protrudes and is provided with a boss, the second plate is provided with an avoidance through hole, the boss is configured to extend into the avoidance through hole, the boss is provided with a positive electrode and a negative electrode respectively, and the positive electrode and the negative electrode are connected to a circuit to implement the heating function of the heating plate to the base plate.