CN-224232711-U - Compromise fire-retardant division board battery module of ventilation

Abstract

The utility model relates to the technical field of battery modules and discloses a battery module with a ventilated flame-retardant isolation plate, which comprises a battery A and a battery B, wherein an end plate is arranged on the outer side of the battery A, an isolation plate body is arranged between the battery A and the battery B, the thickness of the isolation plate body is 5mm, the isolation plate body adopts the combination of ABS+PC+flame-retardant materials, so that the isolation plate body has better heat resistance and flame-retardant capability, the battery A can be effectively blocked after thermal runaway, other battery structures are prevented from being damaged, and the heat of the battery A and the battery B can be transmitted through a heat-radiating air duct which is matched with the isolation plate body.

Inventors

• ZHAO YAFEI
• YAO WENHAO
• HUANG ZHENGJIAN
• CHEN XIANGYUN
• DING PENGJU
• Chang Qixuan
• YUAN HAIPENG
• WANG XIANGRONG
• GUO JUN

Assignees

• 广州鹏辉智慧能源技术有限公司

Dates

Publication Date

20260512

Application Date

20250414

Claims (6)

1. 1. A battery module with a ventilation flame-retardant isolation board comprises a battery A (2) and a battery B (4) and is characterized in that an end plate (1) is arranged on the outer side of the battery A (2), an isolation board body (3) is arranged between the battery A (2) and the battery B (4), and the heat insulation and ventilation between the battery A (2) and the battery B (4) are realized by using the arranged isolation board body (3); The utility model discloses a thermal runaway back effective blocking of battery A (2) can be realized to division board body (3) including strengthening rib (31) and seting up heat dissipation wind channel (32) on division board body (3) lateral wall, still is provided with aluminium foil complex film (33) on the lateral wall of division board body (3), during the use, arranges division board body (3) between battery A (2) and battery B (4).
2. 2. The battery module with the ventilation flame-retardant isolation plate, as set forth in claim 1, is characterized in that the thickness of the isolation plate body (3) is 5mm, and the isolation plate body (3) is made of a combination of ABS+PC+flame-retardant materials.
3. 3. A battery module with a ventilated flame-retardant separator according to claim 2, wherein the surface of the separator body (3) is uniformly coated with a PTFE coating (34) for wear resistance.
4. 4. The battery module with the ventilation flame-retardant separation plate, as claimed in claim 1, is characterized in that a silicone coating (321) is uniformly coated on the inner wall of the heat dissipation air duct (32).
5. 5. The battery module with the ventilation flame-retardant isolation plate, as set forth in claim 1, is characterized in that a profile cavity (11) is formed in the inner wall of the end plate (1), an anti-slip material (12) is arranged in the profile cavity (11), and the anti-slip material (12) plays a role in preventing slipping.
6. 6. The battery module with the ventilation flame-retardant isolation plate, as set forth in claim 5, is characterized in that a plurality of lightening holes (13) are formed in the surface of the end plate (1), the lightening holes (13) penetrate through the end plate (1), and mounting holes (14) are further formed in the surface of the end plate (1).

Description

Compromise fire-retardant division board battery module of ventilation Technical Field The utility model relates to the technical field of battery modules, in particular to a battery module with a ventilated flame-retardant isolation plate. Background The battery module is a device which is formed by combining a plurality of battery cells (single batteries) according to specific electric and mechanical structures and can provide larger power output. The battery module is an important component in a battery system, the positive and negative electrode aluminum bars of the battery module are required to be fixed firmly, and the end plates are the best fixed positions, but the commonly used module end plates are all required to use metal end plates for fixing the battery cells, and the metal end plates are usually conductors and cannot directly fix the positive and negative electrodes. Most of the battery modules in the market are in flame retardance or ventilation, and two kinds of schemes which can be considered in the air cooling system rarely occur, so that the ventilation and heat dissipation effects of the battery modules are not ideal, and the use of the battery modules is easy to influence. Therefore, we propose a battery module with a ventilated flame-retardant isolation board so as to solve the above-mentioned problems. Disclosure of utility model The utility model aims to provide a battery module with a ventilated flame-retardant isolation plate, which aims to solve the problems that the scheme adopted by most battery modules in the background art is only flame-retardant or ventilated, and two functions can be simultaneously realized rarely in an air cooling system, so that the ventilation and heat dissipation effects of the battery modules are not ideal. In order to achieve the aim, the utility model provides the technical scheme that the battery module with the ventilation flame-retardant isolation plate comprises a battery A and a battery B, wherein an end plate is arranged on the outer side of the battery A, an isolation plate body is arranged between the battery A and the battery B, and the isolation plate body is used for realizing heat insulation and ventilation between the battery A and the battery B; The utility model discloses a thermal runaway battery, including the division board body, the division board body includes the strengthening rib and sets up the heat dissipation wind channel on the division board body lateral wall, still is provided with the aluminium foil complex film on the lateral wall of division board body, during the use, arranges the division board body between battery A and battery B, can realize effectively blocking after the battery A thermal runaway, realizes battery A and battery B heat outgoing with the help of the heat dissipation wind channel that sets up. Preferably, the thickness of the isolation plate body is 5mm, and the isolation plate body is made of a combination of ABS+PC+flame retardant materials. Preferably, the surface of the separator body is uniformly coated with a PTFE coating for wear resistance, so that the friction force between the separator body and the battery A can be reduced. Preferably, the inner wall of the heat dissipation air duct is uniformly coated with a silicone coating, and when the air flow is transmitted from the heat dissipation air duct, the friction force in the heat dissipation air duct can be reduced. Preferably, the inner wall of the end plate is provided with a section cavity, and an anti-slip material is arranged in the section cavity and plays a role in preventing slipping, so that the battery A and the end plate are anti-slip. Preferably, the surface of the end plate is provided with a plurality of lightening holes, the lightening holes penetrate through the end plate, and the surface of the end plate is also provided with mounting holes. Compared with the prior art, the utility model has the beneficial effects that: 1. Through end plate, battery A, division board body and the battery B that set up, place the division board body between battery A and battery B, can realize effectively blocking after the battery A thermal runaway to the heat dissipation wind channel that the cooperation set up can be with battery A and battery B's heat outgoing, cooperates the strengthening rib to realize battery A and battery B's ventilation and heat dissipation simultaneously. 2. Through silicone coating, aluminium foil complex film and the PTFE coating that set up for the air current flows smoothly in the heat dissipation wind channel, is convenient for ventilate, and can adapt to the slight deformation that battery A during operation produced under the use of aluminium foil complex film, and utilize the PTFE coating to reduce the wearing and tearing to battery A surface. Drawings FIG. 1 is a schematic overall perspective view of the present utility model; FIG. 2 is a schematic view of a cross-sectional structure of a separator accordin