CN210136987U

CN210136987U - Heat radiation structure of soft packet of power battery module

Info

Publication number: CN210136987U
Application number: CN201920673517.5U
Authority: CN
Inventors: 刘华珠; 林盛鑫; 廖春萍; 喻世民
Original assignee: Dongguan University of Technology
Current assignee: Dongguan University of Technology
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2020-03-10
Anticipated expiration: 2029-05-13

Abstract

The utility model discloses a heat radiation structure of soft-packaged power battery module, including shell, radiator unit and electric core subassembly, the one end fixedly connected with case lid of shell, the one end of case lid is fixed and is provided with first electrode, one side of first electrode is fixed and is provided with the second electrode, the inside fixed of shell is provided with electric core subassembly, electric core subassembly comprises a plurality of electric core monomer fixed connection; this heat radiation structure of soft packet of power battery module, through setting up the conducting strip, the radiator unit, heat absorption glass, refrigerator and cooling tube, through the temperature that produces the electric core subassembly, give the radiator unit through the conducting strip transmission, the radiator unit gives heat absorption glass with heat transfer, the cooling tube on the refrigerator passes the through-hole on the heat absorption glass, reduce heat absorption glass's heat, contact area has been increased, accelerate the speed that the temperature reduces, the life of battery module has been prolonged, the security and the reliability of battery module have been guaranteed.

Description

Heat radiation structure of soft packet of power battery module

Technical Field

The utility model relates to a battery module technical field, in particular to heat radiation structure of soft packet of power battery module.

Background

In recent years, as the application of fossil fuels can be reduced well for electric automobiles, new energy automobiles are widely popularized in China, and the lithium battery industry is rapidly developed. The power battery pack serving as a core component of the electric vehicle is a key factor for restricting the development of the electric vehicle. The battery module not only can effectively improve the energy density of the battery pack, but also can carry out random serial-parallel connection, thereby becoming the key point of development, the power battery is used as the only power source of the electric automobile, the temperature factor has great influence on the performance, the safety and the service life of the power battery, the batteries are required to be tightly connected because the quantity of the batteries required by the electric automobile is more and the loading space is limited, when the electric automobile runs under different working conditions, the battery pack can discharge at different rates, a large amount of heat is generated at different heat generation rates, uneven heat accumulation can be generated along with the time accumulation and the space influence, thereby causing the unbalanced operating environment temperature of the battery pack, particularly in summer, the ambient temperature of the battery pack is high, and in addition, the battery pack operates under the complex working condition, the overhigh temperature and unbalanced temperature distribution of a battery pack system are more easily caused, therefore, the charge-discharge cycle life of a battery system is shortened, the power and energy performance of the battery are influenced, thermal runaway can be caused in serious cases, and the safety and reliability of the battery pack are finally influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a heat radiation structure of laminate polymer power battery module can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a heat dissipation structure of a soft package power battery module comprises a shell, a heat dissipation assembly and an electric core assembly, wherein one end of the shell is fixedly connected with a box cover, one end of the box cover is fixedly provided with a first electrode, one side of the first electrode is fixedly provided with a second electrode, the electric core assembly is fixedly arranged in the shell and consists of a plurality of electric core monomers which are fixedly connected, one end of the electric core assembly is fixedly provided with a first gasket, one side of the first gasket is fixedly provided with a second gasket, one side of the electric core assembly is fixedly provided with a heat conducting sheet, one side of the heat conducting sheet is fixedly provided with the heat dissipation assembly, the heat dissipation assembly consists of a plurality of heat dissipation monomers which are fixedly connected, one side of the heat dissipation assembly is fixedly provided with heat absorption glass, one end of the heat absorption glass is provided with a plurality of through holes which are uniformly, and a refrigerator is arranged on one side of the heat absorption glass, one end of the refrigerator is provided with a plurality of cooling pipes which are uniformly distributed, and the cooling pipes penetrate through the through holes.

Preferably, the number of the through holes is equal to the number of the cooling pipes.

Preferably, the heat dissipation unit extends in a direction opposite to the heat source.

Preferably, the heat dissipation assembly is of a cylindrical structure.

Preferably, the first pad is fixedly connected to the first electrode, and the second pad is fixedly connected to the second electrode.

Preferably, the refrigerator is electrically connected with the electric core assembly.

Compared with the prior art, the utility model discloses following beneficial effect has: this heat radiation structure of soft packet of power battery module, through setting up the conducting strip, the radiator unit, heat absorption glass, refrigerator and cooling tube, through the temperature that produces the electric core subassembly, give the radiator unit through the conducting strip transmission, the radiator unit gives heat absorption glass with heat transfer, the cooling tube on the refrigerator passes the through-hole on the heat absorption glass, reduce heat absorption glass's heat, contact area has been increased, accelerate the speed that the temperature reduces, the life of battery module has been prolonged, the security and the reliability of battery module have been guaranteed.

Drawings

Fig. 1 is a schematic view of the overall structure of a heat dissipation structure of a soft package power battery module according to the present invention;

fig. 2 is a schematic view of the internal structure of the heat dissipation structure of the soft-package power battery module of the present invention;

fig. 3 is a schematic view of a three-dimensional structure of an electric core assembly of a heat dissipation structure of a soft package power battery module according to the present invention;

in the figure: 1. a housing; 2. a box cover; 3. a first electrode; 4. a second electrode; 5. an electrical core assembly; 6. A first gasket; 7. a second gasket; 8. a heat dissipating component; 9. a refrigerator; 10. a cooling tube; 11. heat absorbing glass; 12. a heat conductive sheet; 13. a heat dissipation monomer; 14. a through hole; 15. and (4) battery cell monomers.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a heat dissipation structure of a soft-packaged power battery module comprises a housing 1, a heat dissipation assembly 8 and an electric core assembly 5, wherein one end of the housing 1 is fixedly connected with a case cover 2, one end of the case cover 2 is fixedly provided with a first electrode 3, one side of the first electrode 3 is fixedly provided with a second electrode 4, the electric core assembly 5 is fixedly arranged inside the housing 1, the electric core assembly 5 is formed by fixedly connecting a plurality of electric core monomers 15, one end of the electric core assembly 5 is fixedly provided with a first gasket 6, one side of the first gasket 6 is fixedly provided with a second gasket 7, one side of the electric core assembly 5 is fixedly provided with a heat conducting sheet 12, one side of the heat conducting sheet 12 is fixedly provided with the heat dissipation assembly 8, the heat dissipation assembly 8 is formed by fixedly connecting a plurality of heat dissipation monomers 13, one side of the heat dissipation assembly 8 is fixedly provided with heat absorption glass 11, one end of the heat absorption glass 11 is provided with a plurality of through holes 14 which are uniformly distributed, one side of the heat absorption glass 11 is provided with a refrigerator 9, one end of the refrigerator 9 is provided with a plurality of cooling pipes 10 which are uniformly distributed, and the cooling pipes 10 penetrate through the through holes 14.

In this embodiment, it is preferable that the number of the through holes 14 is equal to the number of the cooling pipes 10.

In this embodiment, preferably, the heat dissipating unit 13 extends in a direction opposite to the heat source.

In this embodiment, the heat dissipation assembly 8 is preferably a cylindrical structure.

In this embodiment, preferably, the first pad 6 is fixedly connected to the first electrode 3, and the second pad 7 is fixedly connected to the second electrode 4.

In this embodiment, preferably, the refrigerator 9 is electrically connected to the electric core assembly 5.

What need explain, the utility model relates to a heat radiation structure of laminate polymer power battery module, when using, the heat that battery module inside electric core subassembly 5 produced, give radiator unit 8 with heat transfer through conducting strip 12, heat absorption glass 11 conducts its surface with radiator unit 8's heat, cooling tube 10 on the refrigerator 9 passes through-hole 14 on the heat absorption glass 11, reduce heat absorption glass 11's heat, make cooling tube 10 pass through-hole 14, for increase radiating area of contact, accelerate the speed that the temperature reduces, radiator unit 8 that radiating monomer 13 constitutes is the cylinder, increase the area of contact of heat transfer, accelerate the speed that the temperature of electric core subassembly 5 reduces, the life of battery module has been prolonged, the security and the reliability of battery module have been guaranteed.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a heat radiation structure of laminate polymer power battery module, includes shell (1), radiator unit (8) and electric core subassembly (5), its characterized in that: one end of the shell (1) is fixedly connected with a box cover (2), one end of the box cover (2) is fixedly provided with a first electrode (3), one side of the first electrode (3) is fixedly provided with a second electrode (4), the inside of the shell (1) is fixedly provided with the electric core assembly (5), the electric core assembly (5) is fixedly connected with a plurality of electric core monomers (15), one end of the electric core assembly (5) is fixedly provided with a first gasket (6), one side of the first gasket (6) is fixedly provided with a second gasket (7), one side of the electric core assembly (5) is fixedly provided with a heat conducting sheet (12), one side of the heat conducting sheet (12) is fixedly provided with the heat radiating assembly (8), the heat radiating assembly (8) is fixedly connected with a plurality of heat radiating monomers (13), one side of the heat radiating assembly (8) is fixedly provided with heat absorbing glass (11), one end of the heat absorption glass (11) is provided with a plurality of through holes (14) which are uniformly distributed, one side of the heat absorption glass (11) is provided with a refrigerator (9), one end of the refrigerator (9) is provided with a plurality of cooling pipes (10) which are uniformly distributed, and the cooling pipes (10) penetrate through the through holes (14).

2. The heat dissipation structure of soft packet of power battery module of claim 1, characterized in that: the number of the through holes (14) is equal to the number of the cooling pipes (10).

3. The heat dissipation structure of soft packet of power battery module of claim 1, characterized in that: the heat dissipation single body (13) extends reversely to the direction away from the heat source.

4. The heat dissipation structure of soft packet of power battery module of claim 1, characterized in that: the heat dissipation assembly (8) is of a cylindrical structure.

5. The heat dissipation structure of soft packet of power battery module of claim 1, characterized in that: the first gasket (6) is fixedly connected with the first electrode (3), and the second gasket (7) is fixedly connected with the second electrode (4).

6. The heat dissipation structure of soft packet of power battery module of claim 1, characterized in that: the refrigerator (9) is electrically connected with the electric core assembly (5).