CN-224232704-U - Air duct heat dissipation device and battery module

CN224232704UCN 224232704 UCN224232704 UCN 224232704UCN-224232704-U

Abstract

The application provides an air duct heat dissipation device and a battery module, and particularly relates to the technical field of batteries. The air duct heat dissipation device comprises a main body part and an insulating layer. The main body part is provided with a plurality of through parts in a first direction, and the through parts are arranged at intervals in a second direction so as to form a plurality of heat dissipation air channels. The insulating layer is coated on the outer surface of the main body part, and the insulating layer is arranged on the main body part in a protruding mode in the first direction. The distance between the insulating layer and the main body part is 0-1mm. Therefore, the outer surface of the main body of the air duct heat dissipation device is covered with an insulating layer, so that the air duct heat dissipation device is convenient to be matched with the battery cell unit. The insulating protective performance is good under the condition that the ventilation of the main body part is not affected.

Inventors

GUO HAOMENG
FU ZIYANG
ZHANG DUNLIN
ZHANG SHITAO
ZHAO YAN
SONG SU

Assignees

浙江艾罗网络能源技术股份有限公司

Dates

Publication Date: 20260512
Application Date: 20250325

Claims (10)

1. An air duct heat sink, comprising: The main body part is provided with a plurality of through parts in a first direction, and the through parts are arranged at intervals in a second direction to form a plurality of heat dissipation air channels; an insulating layer which is coated on the outer surface of the main body part and is arranged on the main body part in a protruding mode in the first direction; the distance range that the insulating layer is arranged on the main body part in a protruding mode is 0-1mm.
2. The air duct heat sink of claim 1 wherein the main body portion has a top surface, a bottom surface, two first side surfaces, and two second side surfaces, the top surface and the bottom surface, the two first side surfaces, and the two second side surfaces being disposed opposite each other; the insulating layer is coated on the top surface, the bottom surface and the two first side surfaces; The through part is arranged on the second side surface.
3. The air duct heat sink of claim 2, wherein the insulating layer protrudes toward the second side.
4. A wind tunnel heat sink according to any one of claims 1-3, wherein the insulating layer is a blue film.
5. A wind tunnel heat sink according to any of claims 1-3, wherein the thickness of the insulating layer is less than or equal to 0.11mm.
6. The air duct heat sink of claim 1, wherein the main body portion is made of aluminum material.
7. The air duct heat sink of claim 6, wherein the tensile strength of the body portion is 150MPa or greater and the yield stress limit of the body portion is 115MPa or greater.
8. The air duct heat dissipating device according to claim 7, wherein an inner side wall of the main body portion provided with the through portion is of a zigzag structure.
9. A battery module, comprising: A plurality of stacked battery core units; A plurality of air duct heat dissipation devices as defined in any one of claims 1-8, wherein each air duct heat dissipation device is located between every two electric core units, and an insulating layer of the air duct heat dissipation device is arranged towards the electric core units.
10. The battery module of claim 9, wherein the air duct heat sink and the battery cell unit are fixedly connected by an adhesive.

Description

Air duct heat dissipation device and battery module Technical Field The application relates to the technical field of batteries, in particular to an air duct heat dissipation device and a battery module. Background With the progress of technology and the increase in demand for renewable energy sources, battery modules are widely used in various fields such as electric automobiles, renewable energy storage, consumer electronics, industrial equipment, and the like. Thermal management becomes a critical issue with ever increasing power densities. Overheating may cause degradation in the performance of the battery module, degradation in reliability, and even damage. In order to meet the heat dissipation requirement of the battery module, an air cooling mode is generally adopted for heat dissipation. The air duct heat dissipation device is a common heat management heat dissipation mode, and heat is effectively taken away from a heat source through a set airflow channel so as to maintain the normal operation of the battery module and prolong the service life of the battery module. However, in the conventional air duct heat dissipation device, since the air duct heat dissipation depends on the heat conduction capability of the air, and the thermal conductivity of the air is low, the air duct heat dissipation may not provide a sufficient cooling effect in the battery module with high power density, and the heat dissipation efficiency is to be improved. Disclosure of utility model The embodiment of the application provides an air duct heat dissipation device and a battery module. And the outer surface of the main body part of the air duct heat dissipation device is covered with an insulating layer so as to be convenient to be matched with the battery cell unit. The insulating protective performance is good under the condition that the ventilation of the main body part is not affected. The first aspect of the present application provides an air duct heat dissipation device, including: The main body part is provided with a plurality of through parts in a first direction, and the through parts are arranged at intervals in a second direction to form a plurality of heat dissipation air channels; The insulating layer is coated on the outer surface of the main body part and is arranged on the main body part in a protruding mode in the first direction; the distance between the insulating layer and the main body part is 0-1mm. The air duct heat dissipation device provided by the first aspect of the embodiment of the application comprises a main body part and an insulating layer. The main body part is provided with a plurality of through parts in a first direction, and the through parts are arranged at intervals in a second direction so as to form a plurality of heat dissipation air channels. The insulating layer is coated on the outer surface of the main body part, and the insulating layer is arranged on the main body part in a protruding mode in the first direction. The distance between the insulating layer and the main body part is 0-1mm. Therefore, the outer surface of the main body of the air duct heat dissipation device is covered with an insulating layer, so that the air duct heat dissipation device is convenient to be matched with the battery cell unit. The insulating protective performance is good under the condition that the ventilation of the main body part is not affected. In one possible embodiment, the main body portion has a top surface, a bottom surface, two first side surfaces and two second side surfaces, the top and bottom surfaces, the two first side surfaces and the two second side surfaces being disposed opposite each other; the insulating layer is coated on the top surface, the bottom surface and the two first side surfaces; The through part is arranged on the second side surface. In one possible embodiment, the insulating layer protrudes towards the second side. In one possible embodiment, the insulating layer is a blue film. In one possible embodiment, the thickness of the insulating layer is 0.11mm or less. In one possible embodiment, the body portion is made of aluminum material. In one possible embodiment, the tensile strength of the body portion is 150MPa or greater and the yield stress limit of the body portion is 115MPa or greater. In one possible embodiment, the inner side wall of the body portion provided with the through portion is of a zigzag structure. A second aspect of the present application provides a battery module, comprising: A plurality of stacked battery core units; And the insulating layers of the air duct heat dissipation devices are arranged towards the battery core units. The battery module provided by the second aspect of the embodiment of the application comprises a plurality of stacked battery core units and a plurality of air duct heat dissipation devices. Each air duct heat dissipation device is located between every two battery cell units, and an insulating layer of each