CN210379194U

CN210379194U - Air-cooled battery module structure

Info

Publication number: CN210379194U
Application number: CN201921653822.4U
Authority: CN
Inventors: 姚峰; 李晶; 赵艳标
Original assignee: Wuhu Stc Battery System Ltd
Current assignee: Wuhu Stc Battery System Ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-04-21
Anticipated expiration: 2029-09-30

Abstract

The utility model provides an air-cooled battery module structure applied to the technical field of power batteries, which comprises a battery module (1) and a heat dissipation frame body (2), wherein each side panel part (3) of the heat dissipation frame body (2) is respectively provided with a plurality of heat dissipation holes (4), the outer side of each side panel part (3) is respectively provided with a wind channel clapboard (5), a gap part is formed between each wind channel clapboard (5) and the corresponding side panel part (3), the gap part forms a heat dissipation channel (6) at one side, the battery module (1) is arranged between the two side panel parts (3), and the upper part of the heat dissipation frame body (1) is provided with a module cover plate (7). The battery thermal runaway caused by the overhigh temperature of the module is prevented, and the structure is highly integrated.

Description

Air-cooled battery module structure

Technical Field

The utility model belongs to the technical field of power battery, more specifically say, relate to an air-cooled battery module structure.

Background

The current power battery module is kept enclosing the frame structure in groups structure and technology, and the frame structure is enclosed through parts such as end plate, curb plate, angle steel through welding or riveting formation promptly, and the electric core of battery module can progressively rise enclosing operating temperature in the frame structure. The common technology applies a system thermal management technology to cool the module through natural heat dissipation or adding a water cooling plate structure at the bottom of the battery pack. The structure and the technology have higher requirements on the module grouping process and the technical cost, such as end plate and side plate welding, and the parameters and the precision of welding equipment need to be controlled, such as the arrangement of a water cooling plate, and the additional part cost needs to be increased. Therefore, the conventional battery module has disadvantages.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: to prior art's not enough, provide a simple structure, when guaranteeing that the electric core of battery module reliably realizes fixed spacing, can effectively promote battery module heat-sinking capability, improve the module security, prevent because of the too high emergence that leads to battery thermal runaway of module temperature, the forced air cooling battery module structure of high integrated structure.

To solve the technical problem, the utility model discloses the technical scheme who takes does:

the utility model relates to an air-cooled battery module structure, including battery module, heat dissipation framework, every side panel spare of heat dissipation framework on set up a plurality of louvres respectively, every side panel spare outside sets up a wind channel baffle respectively, forms clearance portion between every wind channel baffle and the side panel spare that corresponds, clearance portion form the heat dissipation channel of one side, the battery module sets up position between two side panel spare, heat dissipation framework upper portion sets up the module apron.

The module cover plate is provided with a bulge, and the bulge forms a pressure relief heat dissipation channel.

The module apron of forced air cooling battery module structure be the injection molding, the relief valve of battery module be located the pressure release radiating channel below position of module apron.

The module apron on set up a plurality of trompils, every utmost point post of battery module sets up to the structure that can be located a corresponding trompil. The upper part of each side panel part of the heat dissipation frame body is respectively provided with a buckling ear hole, the side surface of each side of the module cover plate is respectively provided with a buckling ear, and the buckling ears of the air-cooled battery module structure are arranged to be in one-to-one correspondence with the quantity and the positions of the buckling ear holes.

Each air duct partition plate is welded on the outer side surface of one side panel piece through spot welding.

The heat dissipation frame body is arranged to be of a structure formed by one-time stamping of the aluminum plate.

When the module cover plate is arranged on the upper portion of the heat dissipation frame body, each buckling lug of the module cover plate is of a structure capable of being clamped in a corresponding buckling lug hole in the heat dissipation frame body.

Adopt the technical scheme of the utility model, can obtain following beneficial effect:

forced air cooling battery module structure, to the defect that exists among the prior art and improve the structure of battery module. When designing battery module, with the heat dissipation framework of frame structure be used for placing battery module, battery module can not the drunkenness or excessively rock, and the side board spare of heat dissipation framework sets up the louvre, and the louvre sets up a plurality ofly, and the louvre is arranged according to the clearance. Then, set up an air duct baffle in every side panel spare outside, like this, form heat dissipation channel between side panel spare and the air duct baffle, the battery module during operation produces the heat, can get into heat dissipation channel through the louvre, then discharges to the outside from heat dissipation channel both ends. Such structure can stabilize the air current in the battery package, and the indiscriminate cluster of suppression heat and air current also can be taken away through external axial compressor wind regime convulsions or bloies to thermal taking away to guarantee module temperature stability, prevent a series of incident risks that thermal runaway, heat that battery high temperature arouse spread and bring. Forced air cooling battery module structure, simple structure, reliable realization of the electric core of ensureing the battery module is fixed spacing in, can promote battery module heat-sinking capability, improves module security, prevents to lead to battery thermal runaway's emergence because of the module high temperature, the high integration of structure.

Drawings

The contents of the description and the references in the drawings are briefly described as follows:

fig. 1 is a schematic view of the overall structure of the air-cooled battery module structure according to the present invention;

fig. 2 is an exploded schematic view of the air-cooled battery module structure according to the present invention;

in the drawings, the reference numbers are respectively: 1. a battery module; 2. a heat dissipation frame body; 3. a side panel member; 4. heat dissipation holes; 5. an air duct partition plate; 6. a heat dissipation channel; 7. a module cover plate; 8. a pressure relief heat dissipation channel; 9. opening a hole; 10. buckling lugs; 11. and buckling ear holes.

Detailed Description

The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings, wherein the embodiments of the present invention are described in detail with reference to the accompanying drawings, for example, the shapes, structures, mutual positions and connection relations of the components, the functions and operation principles of the components, and the like:

as shown in the attached

drawings

1 and 2, the utility model relates to an air-cooled battery module structure, including battery module 1, heat dissipation framework 2, every side panel member 3 of heat dissipation framework 2 on set up a plurality of louvres 4 respectively, every side panel member 3 outside sets up a wind channel baffle 5 respectively, every wind channel baffle 5 and the side panel member 3 that corresponds between form clearance portion, clearance portion form the heat dissipation channel 6 of one side, battery module 1 sets up and puts between two

side panel members

3, 1 upper portion of heat dissipation framework sets up module apron 7. The structure is improved aiming at the defects in the prior art. When designing battery module, with the heat dissipation framework of frame structure be used for placing battery module, battery module can not the drunkenness or excessively rock, and the side board spare of heat dissipation framework sets up the louvre, and the louvre sets up a plurality ofly, and the louvre is arranged according to the clearance. Then, set up an air duct baffle in every side panel spare outside, like this, form heat dissipation channel between side panel spare and the air duct baffle, the battery module during operation produces the heat, can get into heat dissipation channel through the louvre, then discharges to the outside from heat dissipation channel both ends. Such structure can stabilize the air current in the battery package, and the indiscriminate cluster of suppression heat and air current also can be taken away through external axial compressor wind regime convulsions or bloies to thermal taking away to guarantee module temperature stability, prevent a series of incident risks that thermal runaway, heat that battery high temperature arouse spread and bring. Forced air cooling battery module structure, simple structure, reliable realization of the electric core of ensureing the battery module is fixed spacing in, can effectively promote battery module heat-sinking capability, improves module security, prevents to lead to the emergence of battery thermal runaway because of the module high temperature, the high integration of structure.

The module cover plate 7 is provided with a bulge, and the bulge forms a pressure relief heat dissipation channel 8. The module apron 7 of forced air cooling battery module structure be the injection molding, the relief valve of battery module 1 be located the 8 below positions of pressure release heat dissipation channel of module apron 7. Above-mentioned structure, the module apron is the injection molding, and module apron middle part is regional for encircleing high structure, just to battery pressure release valve position, forms pressure release heat dissipation channel, plays heat dissipation channel's effect simultaneously. Therefore, the module cover plate part is matched with the air duct partition plate 5, the heat dissipation efficiency is comprehensively improved, and the battery performance is improved.

The module apron 7 on set up a plurality of trompils 9, every utmost point post of battery module 1 sets up to the structure that can be located a corresponding trompil 9. Above-mentioned structure, the module apron 7 is gone up to correspond battery utmost point post (utmost point post) position and is the trompil, exposes utmost point post and provides the space for follow-up electricity is connected.

The upper part of each side panel part 3 of the heat dissipation frame body 2 is respectively provided with a buckling lug hole 11, the side surface of each side of the module cover plate 7 is respectively provided with a buckling lug 10, and the buckling lugs 10 of the air-cooled battery module structure are arranged to be in one-to-one correspondence with the quantity and the positions of the buckling lug holes 11. According to the structure, after the battery module is installed in place, the module cover plate is buckled, after the module cover plate is covered, each buckling lug on the module cover plate is buckled into the buckling lug hole for drinking, and the battery module is assembled into a whole.

The utility model discloses an air-cooled battery module structure, battery module when in groups, simple process is convenient, and assembly efficiency effectively promotes, and heat dissipation framework and wind channel baffle form the seam piece through spot welding technology, and the battery module can be put things in good order into the heat dissipation framework, covers the module apron again, buckles the knot ear on the module apron in the knot ear hole that corresponds, assembles as an organic wholely, forms the battery module. Above-mentioned structure, the knot ear position has certain curved elasticity, guarantees battery module upper cover installation and dismantlement.

Each air duct partition plate 5 is welded on the outer side surface of one side panel member 3 through spot welding.

The heat dissipation frame body 2 is arranged to be of a structure formed by aluminum plates through one-time stamping.

When the module cover plate 7 is arranged on the upper part of the heat dissipation frame body 1, each buckling lug 10 of the module cover plate 7 is set to be in a structure which can be clamped in a corresponding buckling lug hole 11 on the heat dissipation frame body 1.

The present invention has been described in detail with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the present invention can be implemented in various ways without modification, and the present invention is not limited by the above embodiments.

Claims

1. The utility model provides an air-cooled battery module structure which characterized in that: including battery module (1), heat dissipation frame body (2), every side panel spare (3) of heat dissipation frame body (2) on set up a plurality of louvres (4) respectively, every side panel spare (3) outside sets up an air duct baffle (5) respectively, form clearance portion between every air duct baffle (5) and the side panel spare (3) that correspond, clearance portion form heat dissipation channel (6) of one side, battery module (1) sets up the position between two side panel spares (3), heat dissipation frame body (2) upper portion sets up module apron (7).

2. The air-cooled battery module structure according to claim 1, characterized in that: the module cover plate (7) is provided with a bulge, and the bulge forms a pressure relief heat dissipation channel (8).

3. The air-cooled battery module structure according to claim 1 or 2, characterized in that: the module apron (7) of forced air cooling battery module structure be the injection molding, the relief valve of battery module (1) be located the pressure release heat dissipation channel (8) below position of module apron (7).

4. The air-cooled battery module structure according to claim 1 or 2, characterized in that: the module apron (7) on set up a plurality of trompils (9), every utmost point post of battery module (1) sets up to the structure that can be located one corresponding trompil (9).

5. The air-cooled battery module structure according to claim 1 or 2, characterized in that: the heat dissipation frame body (2) each side panel part (3) upper portion set up respectively and detain ear hole (11), module apron (7) each side sets up respectively and detains ear (10), the knot ear (10) of forced air cooling battery module structure set up to the structure with detaining ear hole (11) quantity and position one-to-one.

6. The air-cooled battery module structure according to claim 1 or 2, characterized in that: each air duct partition plate (5) is welded on the outer side surface of one side panel member (3) through spot welding.

7. The air-cooled battery module structure according to claim 1 or 2, characterized in that: the heat dissipation frame body (2) is arranged to be of a structure formed by aluminum plates through one-time stamping.

8. The air-cooled battery module structure of claim 5, wherein: when the module cover plate (7) is arranged on the upper part of the heat dissipation frame body (2), each buckling lug (10) of the module cover plate (7) is of a structure capable of being clamped in a corresponding buckling lug hole (11) in the heat dissipation frame body (2).