Liquid-cooled battery module and battery pack
The disclosure discloses a liquid-cooled battery module and a battery pack. The liquid-cooled battery module includes a housing, the outer side surfaces of the two opposite side walls of the housing are provided with connecting portions, so that the liquid-cooled battery module is connected to the battery pack through the connecting portions; a single battery pack, which is disposed in the housing; further includes a heat-dissipating component, which is disposed at the bottom of the housing and connected with the single battery pack. In the vertical direction, the top surface of the heat-dissipating component is spaced apart from the bottom surface of two opposite side walls provided with the connection portions.
1 . A liquid-cooled battery module, comprising:
a housing, wherein outer side surfaces of two opposite side walls of the housing are provided with connecting portions, so as to connect the liquid-cooled battery module and a battery pack through the connecting portions;
a single battery pack, disposed in the housing;
a heat-dissipating component, which is disposed at a bottom of the housing and is connected to the single battery pack, wherein in a vertical direction, a top surface of the heat-dissipating component and bottom surfaces of the two opposite side walls provided with the connecting portions are spaced apart,
wherein the housing comprises two side plates and two end plates, the two side plates and the two end plates are disposed opposite to each other, and in a horizontal direction, the two side plates and the two end plates are connected at intervals to form the housing, and outer side surfaces of the two side plates are provided with the connecting portions,
wherein bottoms of the two side plates are both provided with flanges extending toward the single battery pack, so as to support the single battery pack through the flanges,
wherein the heat-dissipating component comprises a first liquid-cooling plate and a second liquid-cooling plate, the second liquid-cooling plate is disposed in a middle area at a top surface of the first liquid-cooling plate, and the second liquid-cooling plate is disposed between the two flanges, the first liquid-cooling plate is disposed at a bottom of each of the flanges, and in the vertical direction, the top surface of the first liquid-cooling plate is spaced apart from each of the flanges,
wherein the heat-dissipating component and the two opposite side walls are connected in a non-contact manner,
wherein the first liquid-cooling plate and the second liquid-cooling plate are provided in parallel,
wherein the second liquid-cooling plate is adhesively connected to the single battery pack, and the first liquid-cooling plate is fixedly connected to the two end plates.
2 . The liquid-cooled battery module according to claim 1 , wherein the connecting portions comprise a rib and mounting portions, the rib is disposed along a length direction of the two side plates, and the mounting portions are disposed on the rib at intervals.
3 . The liquid-cooled battery module according to claim 1 , wherein both ends of the two side plates connected to the two end plates are provided with edgings extending toward the two end plates, and the edgings are disposed on outer side surfaces of the two end plates.
4 . The liquid-cooled battery module according to claim 3 , wherein the side plates and the two end plates are fixedly connected through the edging.
5 . The liquid-cooled battery module according to claim 1 , wherein the first liquid-cooling plate partially covers the flanges along an extending direction of the flanges.
6 . The liquid-cooled battery module according to claim 1 , wherein a cover plate is disposed at a top of the housing, and the cover plate covers the single battery pack.
7 . A battery pack, comprising the liquid-cooled battery module as claimed in claim 1 .
8 . The battery pack according to claim 7 , wherein a mounting beam is disposed in the battery pack, and the connecting portions are connected with the mounting beam to dispose the liquid-cooled battery module in the battery pack.