CN217086694U

CN217086694U - Soft package battery cell module

Info

Publication number: CN217086694U
Application number: CN202220033371.XU
Authority: CN
Inventors: 李亚辉; 王亚峰
Original assignee: Jiangsu Zhitai New Energy Technology Co ltd
Current assignee: Jiangsu Zhitai New Energy Technology Co ltd
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2022-07-29
Anticipated expiration: 2032-01-07

Abstract

The utility model discloses a soft-packaged electrical core battery module, include: shell, cooling tube, electric core and insulating heat conduction pad, the shell top is equipped with the top cap, shell bottom inner wall both sides are equipped with electric core, be equipped with aluminium honeycomb panel between the electric core, aluminium honeycomb panel is close to electric core both sides and is equipped with insulating heat conduction pad, shell one side is equipped with the curb plate, central authorities are equipped with the cooling tube between shell inner wall and the curb plate, the cooling tube both sides are equipped with radiating fin, the utility model discloses the heat that electric core produced gives aluminium honeycomb panel through insulating heat conduction pad transmission, gives radiating fin through aluminium honeycomb panel with heat transmission, produces suction through radiator fan, and outside air enters into inside the shell through the cooling tube both ends, discharges through the louvre, after fully carrying out the heat exchange with radiating fin, enters into the otter board and discharges for the heat dissipation of electric core.

Description

Soft-packaged cell battery module

Technical Field

The utility model relates to an electric core battery technical field specifically is a soft-packaged electrical core battery module.

Background

The soft package lithium battery is only provided with a polymer shell on the liquid lithium ion battery. The structure adopts aluminum plastic film package. Compared with a hard-package lithium battery, the lithium battery has the advantages of small volume, light weight, high specific energy, high safety, flexible design and the like, and has the following specific advantages: the weight of the soft package battery is 40% lighter than that of a steel shell lithium battery with the same capacity, and is 20% lighter than that of an aluminum shell battery. The capacity of the soft package lithium battery pack is 10-15% higher than that of a steel shell battery with the same specification and size, and 5-10% higher than that of an aluminum shell battery. The internal resistance is small, the internal resistance of the soft package battery is smaller than that of a lithium battery, the minimum internal resistance of the current domestic soft package battery core can be below 35mQ, and the self power consumption of the battery is greatly reduced.

Current laminate polymer battery cell battery module, thermal planning is not enough when electric core equipment, and the heat dissipation is bad, leads to cycle life to hang down on the low side.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a soft-packaged electrical core battery module to current soft-packaged electrical core battery module who proposes in solving above-mentioned background art, the hot planning is not enough when electric core equipment, and the heat dissipation is bad, leads to the problem of cycle life on the low side.

In order to achieve the above object, the utility model provides a following technical scheme: a pouch cell battery module comprising: shell, cooling tube, electric core and insulating heat conduction pad, the shell top is equipped with the top cap, shell bottom inner wall both sides are equipped with electric core, be equipped with aluminium honeycomb panel between the electric core, aluminium honeycomb panel is close to electric core both sides and is equipped with insulating heat conduction pad, shell one side is equipped with the curb plate, central authorities are equipped with the cooling tube between shell inner wall and the curb plate, the cooling tube both sides are equipped with radiating fin, the top cap bottom is located the cooling tube top and is equipped with radiator fan, top cap central authorities are located the radiator fan top and are equipped with the otter board, be equipped with the blotter on shell side inner wall and the curb plate inner wall, the curb plate inner wall is located the cooling tube outside and is equipped with the spring.

Furthermore, radiating holes are formed in the upper side and the lower side of the radiating pipe.

Further, the spring is always in a stretching state on the side plate.

Furthermore, a limiting plate is arranged at the connecting position of the outer wall of the radiating pipe and one end of the spring.

Further, the radiating fins are arc-shaped.

Furthermore, the side plate is positioned at the connecting part of the radiating pipe and is provided with a through hole.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a cooling tube that sets up, aluminum honeycomb panel and cooling fan, realized when soft-packaged electrical core battery module uses, the heat that the electricity core produced passes through insulating heat conduction pad transmission and gives aluminum honeycomb panel, give radiating fin through aluminum honeycomb panel with heat transfer, produce suction through cooling fan, outside air passes through inside the cooling tube both ends enters into the shell, discharge through the louvre, after fully carrying out the heat exchange with radiating fin, through cooling fan's drive, enter into the otter board and discharge, accelerate the heat dissipation of electricity core, when electric core is taking place to swell simultaneously, electricity core swell position makes the curb plate move to the outside, be convenient for whole battery module observes the battery swell situation, in time discover in time to change, battery module's safety in utilization has been guaranteed.

Drawings

FIG. 1 is a schematic sectional view of the overall front view structure of the present invention;

FIG. 2 is a schematic sectional view of the overall left-side view structure of the present invention;

fig. 3 is a schematic view of the overall overlooking structure of the present invention.

In the figure: 1-a housing; 2-a buffer pad; 3-aluminum honeycomb panel; 4-a top cover; 5-screen plate; 6-a heat dissipation fan; 7-radiating fins; 8-radiating pipes; 801-heat dissipation holes; 9-side plate; 10-electric core; 11-an insulating thermally conductive pad; 12-spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a pouch cell battery module comprising: shell 1, cooling tube 8, electricity core 10 and insulating

heat conduction pad

11, 1 top joint of shell has

top cap

4, 1 bottom inner wall both sides joint of shell has electric core 10, the joint has aluminium honeycomb panel 3 between electric core 10, aluminium honeycomb panel 3 is close to the joint of 10 both sides of electric core has insulating

heat conduction pad

11, 1 one side sliding connection of shell has curb plate 9, central joint has cooling tube 8 between 1 inner wall of shell and the

curb plate

9, 8 one end of cooling tube is fixed with 1 joint of shell, the other end is pegged graft with curb plate 9, the welding of 8 both sides of cooling tube has radiating fin 7, there is cooling fan 6 top 4 bottom of top cap is located cooling tube 8 through the screw connection, 4 central authorities of top cap are located 6 top joints of cooling fan and have otter board 5, it has blotter 2 to paste on 1 side inner wall of shell and the curb plate 9 inner wall, spring 12 has been cup jointed in the 8 outsides of curb plate 9 inner wall of cooling tube.

Radiating holes 801 are formed in the upper side and the lower side of the radiating pipe 8, the spring 12 is always in a stretching state on the side plate 9, a limiting plate is welded at the connecting position of the outer wall of the radiating pipe 8 and one end of the spring 12, the radiating fin 7 is in a circular arc shape, and the side plate 9 is located at the connecting position of the radiating pipe 8 and provided with a through hole.

The working principle is as follows: when soft package electricity core battery module uses, the heat that electricity core 10 produced transmits for aluminium honeycomb panel 3 through insulating heat conduction pad 11, transmit heat for radiating fin 7 through aluminium honeycomb panel 3, produce suction through cooling fan 6, outside air enters into inside 1 shell through 8 both ends of cooling tube, discharge through louvre 801, after carrying out the heat exchange fully with radiating fin 7, drive through cooling fan 6, enter into otter board 5 and discharge, accelerate the heat dissipation of electricity core 10, simultaneously when electricity core 10 is taking place to swell, electricity core 10 swell the position makes curb plate 9 move to the outside, be convenient for whole battery module observes the battery swell situation, be convenient for in time discover in time to change, battery module's safety in utilization has been guaranteed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A pouch cell battery module comprising: shell (1), cooling tube (8), electric core (10) and insulating heat conduction pad (11), its characterized in that: a top cover (4) is arranged at the top of the shell (1), electric cores (10) are arranged on two sides of the inner wall of the bottom of the shell (1), aluminum honeycomb plates (3) are arranged between the electric cores (10), insulating heat-conducting pads (11) are arranged on the two sides of the aluminum honeycomb plates (3) close to the electric cores (10), a side plate (9) is arranged on one side of the shell (1), a radiating pipe (8) is arranged in the center between the inner wall of the shell (1) and the side plate (9), radiating fins (7) are arranged on two sides of the radiating pipe (8), a radiating fan (6) is arranged at the bottom of the top cover (4) and above the radiating pipe (8), a screen plate (5) is arranged in the center of the top cover (4) above the heat dissipation fan (6), the inner walls of the side edges of the shell (1) and the inner walls of the side plates (9) are provided with buffer pads (2), and springs (12) are arranged on the inner walls of the side plates (9) and positioned outside the radiating pipes (8).

2. The pouch cell battery module of claim 1, wherein: the upper side and the lower side of the radiating pipe (8) are provided with radiating holes (801).

3. The pouch cell battery module of claim 1, wherein: the spring (12) is always in a stretched state on the side plate (9).

4. The pouch cell battery module of claim 1, wherein: and a limiting plate is arranged at the connecting part of the outer wall of the radiating pipe (8) and one end of the spring (12).

5. The pouch cell battery module of claim 1, wherein: the radiating fins (7) are arc-shaped.

6. The pouch cell battery module of claim 1, wherein: the side plate (9) is provided with a through hole at the connection part of the radiating pipe (8).