CN220731725U

CN220731725U - CCS component applied to power battery and provided with exhaust structure

Info

Publication number: CN220731725U
Application number: CN202322416798.5U
Authority: CN
Inventors: 张祖彬; 许缙; 曹华
Original assignee: Ningde Yilian Electronics Co ltd
Current assignee: Ningde Yilian Electronics Co ltd
Priority date: 2023-09-06
Filing date: 2023-09-06
Publication date: 2024-04-05
Anticipated expiration: 2033-09-06

Abstract

The utility model discloses a CCS component with an exhaust structure applied to a power battery, which comprises a separation plate, wherein a plurality of explosion-proof valves are arranged on through holes in the separation plate; the upper surface of the isolation plate is fixedly connected with a flue, the lower surface of the flue is provided with an air inlet hole, and one end of the flue is provided with an exhaust hole; the lower surface of the isolation plate is connected with a sealing gasket for fixing the battery cell. The flue and the isolation plate are sealed by using the structural adhesive, so that substances generated after the battery cell faults pass through the explosion-proof valve, enter the air inlet hole of the flue to be collected uniformly, are discharged through the air outlet hole, replace the traditional method that the substances generated by the battery cell faults are directly sprayed out through the explosion-proof valve, and furthest protect the safety of passengers above the battery cell.

Description

CCS component applied to power battery and provided with exhaust structure

Technical Field

The present utility model relates to a CCS assembly, and more particularly, to a CCS assembly having an exhaust structure for a power battery.

Background

The CCS (Cells Contact System) integrated busbar product consists of a wire, an injection molding structural part, a copper-aluminum bar, a metal plate and other parts. The existing CCS component is generally provided with an explosion-proof valve above the battery cell, and the battery cell is protected to a certain extent by realizing the balance of internal and external air pressure, but substances or energy generated after the battery cell fails can directly pass through the explosion-proof valve and be sprayed outwards, so that the potential safety hazard of passengers above the battery cell is ignored, and the development trend of safety and reliability of new energy automobiles can not be met.

Disclosure of Invention

In order to solve the defects of the technology, the utility model provides a CCS component with an exhaust structure, which is applied to a power battery.

In order to solve the technical problems, the technical scheme adopted by the utility model is a CCS component with an exhaust structure, which is applied to a power battery and comprises a separation plate; a plurality of explosion-proof valves are arranged on the through holes in the isolation plate, structural adhesive is smeared on the upper surface of the isolation plate to be adhered to the flue, the lower surface of the flue is provided with an air inlet hole, and one end of the flue is provided with an exhaust hole; the lower surface of the isolation plate is connected with a sealing gasket for fixing the battery cell.

Further, a plurality of explosion-proof valves are equidistantly arranged on the central axis of the upper surface of the isolation plate.

Further, the upper surface of the partition plate is adhered to the flue by structural adhesive.

Further, the lower surface of the flue is equidistantly provided with a plurality of circular air inlet holes.

Further, the vent hole has a cylindrical shape to reduce noise generated when the material is discharged.

Further, a curved cylinder bent downward is connected between the flue and the exhaust hole to buffer the speed of the discharged substances.

Further, a plurality of hollow structures for externally arranging the explosion-proof valve are arranged in the sealing gasket.

Further, the hollow structures in the sealing gasket are arranged in one-to-one correspondence with the explosion-proof valves.

The utility model discloses a CCS component applied to a power battery and provided with an exhaust structure, wherein a flue and a separation plate are sealed by using structural adhesive, so that substances generated after a battery cell failure pass through an explosion-proof valve, enter an air inlet hole of the flue to be uniformly collected and then are discharged through an exhaust hole, the traditional method that the substances generated after the battery cell failure are directly sprayed out through the explosion-proof valve is replaced, and the safety of passengers above the battery cell is furthest protected.

Drawings

Fig. 1 is a schematic top view of a disassembling step of the present utility model.

Fig. 2 is a schematic perspective view of a disassembling step according to the present utility model.

Fig. 3 is a schematic perspective view of the present utility model.

Fig. 4 is a schematic view of the flue bottom structure of the present utility model.

Fig. 5 is a schematic view showing a perspective structure of the lower surface of the partition plate according to the present utility model.

In the figure: 1. a partition plate; 2. an explosion-proof valve; 3. structural adhesive; 4. a flue; 5. an air inlet hole; 6. an exhaust hole; 7. and a sealing gasket.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description.

A CCS assembly having a gas exhausting structure applied to a power battery as shown in fig. 3 includes a separator 1; as shown in fig. 1, in a schematic diagram of a top view structure of a dismantling step of a CCS assembly applied to a power battery with an exhaust structure, a plurality of explosion-proof valves 2 are installed on through holes in a partition board 1, waterproof and breathable films are arranged in the explosion-proof valves 2, and an electric core is protected by stabilizing internal and external air pressure; the upper surface of the isolation plate 1 is smeared with a structural adhesive 3 to paste a flue 4 made of alloy, as shown in a schematic diagram of a second three-dimensional structure of a CCS component disassembly step applied to a power battery with an exhaust structure in FIG. 2, the flue 4 is positioned right above the explosion-proof valve 2, the lower surface of the flue 4 is provided with an air inlet 5, and one end of the flue 4 is provided with an exhaust hole 6; the lower surface of the isolation plate 1 is connected with a sealing gasket 7 for fixing the battery cell, the isolation plate 1 and the sealing gasket 7 are matched and clamped with each other and are arranged above the battery cell, as shown in a three-dimensional structure schematic diagram of the lower surface of the isolation plate 1 in fig. 5, and a hollowed-out structure for the outer sleeve explosion-proof valve 2 is arranged in the sealing gasket 7.

Specifically, a plurality of explosion-proof valves 2 are equidistant along the axis of locating division board 1 upper surface along the horizontal direction, and all explosion-proof valves 2 constitute explosion-proof valves to the periphery of explosion-proof valves is paintd to structural adhesive 3 uniformly. As shown in a schematic diagram of a flue bottom view structure shown in fig. 4, a plurality of circular air inlet holes 5 are formed on the lower surface of the flue 4 at equal distance along the horizontal direction, and an air outlet 6 at one end of the flue 4 is designed to be cylindrical, so that the strength is high, the material consumption is low, and the effect of reducing noise can be achieved; a bent cylinder which is bent downwards is connected between the flue 4 and the circular exhaust hole 6, so that the connection is more convenient due to the downward bending, and substances pass through the bent cylinder which is bent downwards, so that the discharge speed of the substances is reduced, and a certain buffering effect is achieved; the flue 4 made of aluminum-silicon alloy has higher strength, can bear high temperature and high pressure, has good wear resistance and small thermal expansion coefficient, and can effectively collect energy generated during explosion of the battery cell, reduce the energy to realize energy conversion and the like, and finally is discharged through the curved cylinder and the exhaust hole 6.

The embodiment provides a connection of a CCS component applied to a power battery and provided with an exhaust structure, wherein the CCS component of the exhaust structure comprises a separation plate 1 and a horizontal explosion-proof valve 2 which are closely arranged; the explosion-proof valves 2 are equidistantly arranged on the central axis of the isolation plate 1. The whole periphery of the explosion-proof valve 2 on the upper surface of the isolation plate 1 is coated with AB-type structural adhesive 3, after coating is finished, the bottom of the aluminum-silicon alloy flue 4 is attached to the structural adhesive 3, and the glue is cured, so that the AB-type structural adhesive 3 has the property of high temperature and high pressure resistance, and good air tightness and stability of a joint can be ensured by using the AB-type structural adhesive 3; the sealing gasket 7 is connected to the lower surface of the isolation plate 1 through the rear clamping of the explosion-proof valve 2, the sealing gasket 7 is positioned between the isolation plate 1 and the battery cell, the assembly gap between the isolation plate 1 and the battery cell can be effectively ensured to be sealed, and certain energy absorption effect can be realized when the battery cell explodes.

The above embodiments are not intended to limit the present utility model, and the present utility model is not limited to the above examples, but is also intended to be limited to the following claims.

Claims

1. CCS assembly with exhaust structure for power cells, comprising a separator plate (1), characterized in that: a plurality of explosion-proof valves (2) are arranged on the through holes in the isolation plate (1); the upper surface of the isolation plate (1) is fixedly connected with a flue (4), the lower surface of the flue (4) is provided with an air inlet hole (5), and one end of the flue (4) is provided with an air outlet hole (6); the lower surface of the isolation plate (1) is connected with a sealing gasket (7) for fixing the battery cell.

2. The CCS assembly with exhaust structure for power cells as claimed in claim 1, wherein: the explosion-proof valves (2) are equidistantly arranged on the central axis of the upper surface of the isolation plate (1).

3. The CCS assembly with exhaust structure for power cells as claimed in claim 2, wherein: the upper surface of the isolation plate (1) is adhered to the flue (4) through the structural adhesive (3).

4. The CCS assembly with exhaust structure for power cells as claimed in claim 1, wherein: the lower surface of the flue (4) is equidistantly provided with a plurality of round air inlet holes (5).

5. The CCS assembly with exhaust structure for power cells as claimed in claim 1, wherein: the exhaust hole (6) is in a cylindrical shape to reduce noise generated when the material is discharged.

6. The CCS assembly with exhaust structure for a power battery as claimed in claim 5, wherein: a bent cylinder bent downwards is connected between the flue (4) and the exhaust hole (6) to buffer the discharge speed of the substances.

7. The CCS assembly with exhaust structure for power cells as claimed in claim 1, wherein: the sealing gasket (7) is internally provided with a plurality of hollow structures for externally arranging the explosion-proof valve (2).

8. The CCS assembly with exhaust structure for a power battery as claimed in claim 7, wherein: the hollow structures in the sealing gaskets (7) are arranged in one-to-one correspondence with the explosion-proof valves (2).