CN215377616U - Lithium ion battery cell structure with good heat dissipation function - Google Patents
Lithium ion battery cell structure with good heat dissipation function Download PDFInfo
- Publication number
- CN215377616U CN215377616U CN202120994570.2U CN202120994570U CN215377616U CN 215377616 U CN215377616 U CN 215377616U CN 202120994570 U CN202120994570 U CN 202120994570U CN 215377616 U CN215377616 U CN 215377616U
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- CN
- China
- Prior art keywords
- lithium ion
- ion battery
- battery cell
- heat dissipation
- good heat
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 47
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 24
- 230000005611 electricity Effects 0.000 claims abstract description 11
- 230000007248 cellular mechanism Effects 0.000 claims abstract description 10
- 230000000670 limiting effect Effects 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910021389 graphene Inorganic materials 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 7
- 230000002349 favourable effect Effects 0.000 abstract description 5
- 229910002804 graphite Inorganic materials 0.000 abstract description 3
- 239000010439 graphite Substances 0.000 abstract description 3
- -1 graphite alkene Chemical class 0.000 abstract description 3
- 239000012528 membrane Substances 0.000 abstract description 3
- 210000004027 cell Anatomy 0.000 description 19
- 210000005056 cell body Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to the technical field of lithium ion batteries, in particular to a lithium ion battery cell structure with a good heat dissipation function, which comprises a lithium ion battery shell, wherein a cell mechanism and a protection circuit board are arranged in the inner space of the lithium ion battery shell; a square battery cell placing groove is formed in the inner space of the lithium ion battery shell, and the battery cell mechanism is positioned in the battery cell placing groove; this lithium ion battery electricity core structure with good heat dissipation function, through the fin that sets up respectively in electricity core body both sides, and both sides bond fixed graphite alkene heat dissipation membrane respectively about electricity core body, can accelerate this internal thermal giving off of electricity core, thereby guarantee good operational environment in the lithium ion battery, and through the dust screen that sets up on the fin, can effectively avoid the dust to adhere to on the fin surface, thereby be favorable to guaranteeing the radiating effect of electricity core body, and be favorable to prolonging this lithium ion battery's life.
Description
Technical Field
The utility model relates to the technical field of lithium ion batteries, in particular to a lithium ion battery cell structure with a good heat dissipation function.
Background
The lithium ion battery is a rechargeable battery and mainly comprises a battery cell and a protection circuit board, wherein the quality of the battery cell directly determines the quality of the rechargeable battery. In daily life, when a lithium ion battery works and is used, the overall temperature of the lithium ion battery rises, the heat dissipation effect of the conventional lithium ion battery cell is poor, the service life of the lithium ion battery is shortened, and inconvenience is brought to use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a lithium ion battery cell structure with a good heat dissipation function so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
the lithium ion battery cell structure with the good heat dissipation function comprises a lithium ion battery shell, wherein a cell mechanism and a protection circuit board are arranged in the inner space of the lithium ion battery shell; the lithium ion battery comprises a lithium ion battery shell, and is characterized in that a square battery cell placing groove is formed in the inner space of the lithium ion battery shell, a battery cell mechanism is positioned in the battery cell placing groove, strip-shaped grooves with the same size are respectively formed in two sides of the battery cell placing groove, strip-shaped openings are formed in the upper ends of the strip-shaped grooves in the two sides, grooves communicated with the outside are respectively formed in the two ends of each opening and in the lower surfaces of the two ends of each opening, a limiting block is arranged in the inner space of each groove, a spring is arranged between each limiting block and the groove wall of each groove, and a detachable dust screen is respectively arranged at the opening in each of the two sides; the battery core mechanism comprises a battery core body and radiating fins arranged on two sides of the battery core body, the radiating fins are fixedly connected with the outer side wall of the battery core body through embedding, and graphene radiating films are respectively bonded and fixed on the upper side and the lower side of the battery core body.
Preferably, the strip-shaped grooves on two sides are respectively communicated with the inner space of the battery cell placing groove.
Preferably, the four limiting blocks are respectively fixedly connected with the inner groove wall of the groove through springs.
Preferably, the bottom surface of the limiting block is located above the bottom of the groove.
Preferably, the two ends of the dust screen and the lower surface of the dust screen are respectively welded and fixed with an L-shaped mounting seat.
Compared with the prior art, the utility model has the beneficial effects that:
this lithium ion battery electricity core structure with good heat dissipation function, through the fin that sets up respectively in electricity core body both sides, and both sides bond fixed graphite alkene heat dissipation membrane respectively about electricity core body, can accelerate this internal thermal giving off of electricity core, thereby guarantee good operational environment in the lithium ion battery, and through the dust screen that sets up on the fin, can effectively avoid the dust to adhere to on the fin surface, thereby be favorable to guaranteeing the radiating effect of electricity core body, and be favorable to prolonging this lithium ion battery's life.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a part of the structure of the present invention;
FIG. 3 is a schematic structural diagram of a lithium ion battery case according to the present invention;
FIG. 4 is a top view of a groove of the present invention;
fig. 5 is a schematic structural diagram of the cell mechanism in the present invention.
The various reference numbers in the figures mean:
1. a lithium ion battery housing; 11. a battery cell placing groove; 111. a strip-shaped groove; 112. an opening; 113. a groove; 1131. a limiting block; 1132. a spring; 12. a dust screen; 121. a mounting seat;
2. a cell mechanism; 21. a cell body; 210. a graphene heat dissipation film; 22. a heat sink;
3. and protecting the circuit board.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Referring to fig. 1-5, the present invention provides a technical solution:
the lithium ion battery cell structure with good heat dissipation function comprises a lithium ion battery shell 1, wherein a cell mechanism 2 and a protection circuit board 3 are arranged in the inner space of the lithium ion battery shell 1; the inner space of the lithium ion battery shell 1 is provided with a square battery cell placing groove 11, the battery cell mechanism 2 is positioned inside the battery cell placing groove 11, two sides of the battery cell placing groove 11 are respectively provided with bar-shaped grooves 111 with the same size, the upper ends of the bar-shaped grooves 111 at the two sides are provided with strip-shaped openings 112, two ends of the openings 112 and the lower surfaces thereof are respectively provided with grooves 113 communicated with the outside, the inner space of the groove 113 is provided with a limiting block 1131, a spring 1132 is arranged between the limiting block 1131 and the groove wall of the groove 113, and the openings 112 at the two sides are respectively provided with a detachable dust screen 12; the electric core mechanism 2 includes an electric core body 21 and heat dissipation sheets 22 disposed on two sides of the electric core body 21, and the heat dissipation sheets 22 are fixedly connected with the outer side wall of the electric core body 21 through embedding, and graphene heat dissipation films 210 are respectively bonded and fixed on the upper and lower sides of the electric core body 21.
In this embodiment, the two side bar-shaped grooves 111 are respectively communicated with the internal space of the cell placing groove 11, and the heat dissipation fins 22 on both sides of the cell body 21 can be conveniently placed through the bar-shaped grooves 111 arranged on both sides of the cell placing groove 11.
Besides, four stopper 1131 are respectively through the inner wall fixed connection of spring 1132 with recess 113, when installing dust screen 12, extrude stopper 1131 to spring 1132 one side, and place mount pad 121 inside recess 113, at this moment, loosen stopper 1131, stopper 1131 is under the effect of spring 1132, bounce off to mount pad 121 one side, meanwhile, mount pad 121 bottom is located stopper 1131's below, and utilize stopper 1131 to play spacing effect to mount pad 121, make dust screen 12 fix in opening 112 department, avoid the dust to adhere to the surface at fin 22, influence the radiating effect of fin 22.
Further, the bottom surface of the limiting block 1131 is located above the bottom of the groove 113, so that the bottom end of the mounting seat 121 is located below the limiting block 1131, and the limiting effect of the limiting block 1131 is increased.
It should be noted that the two ends of the dust screen 12 and the lower surface thereof are respectively welded and fixed with an "L" shaped mounting seat 121, so as to facilitate the installation of the dust screen 12.
The lithium ion battery cell structure with good heat dissipation function of this embodiment is when using, when this lithium ion battery is at work or when charging, the work of electric core body 21 produces the heat, the inside thermal giving off of its is accelerated to the fin 22 of accessible electric core body 21 both sides, and through the graphite alkene heat dissipation membrane 210 that bonds respectively in electric core body 21 upper and lower both sides, can further accelerate the radiating effect, thereby keep the inside good operational environment of lithium ion battery, be favorable to prolonging lithium ion battery's life.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. Lithium ion battery electricity core structure with good heat dissipation function, including lithium ion battery shell (1), its characterized in that: the inner space of the lithium ion battery shell (1) is provided with a battery cell mechanism (2) and a protective circuit board (3); the lithium ion battery comprises a lithium ion battery shell (1), wherein a square battery cell placing groove (11) is formed in the inner space of the lithium ion battery shell (1), a battery cell mechanism (2) is located inside the battery cell placing groove (11), strip-shaped grooves (111) with the same size are formed in two sides of the battery cell placing groove (11), strip-shaped openings (112) are formed in the upper ends of the strip-shaped grooves (111) in the two sides, grooves (113) communicated with the outside are formed in the two ends of each opening (112) and in the lower surfaces of the two ends of each opening, a limiting block (1131) is arranged in the inner space of each groove (113), springs (1132) are arranged between the limiting blocks (1131) and the groove walls of the grooves (113), and detachable dustproof nets (12) are arranged at the positions of the openings (112) in the two sides; the battery core mechanism (2) comprises a battery core body (21) and radiating fins (22) arranged on two sides of the battery core body (21), the radiating fins (22) are fixedly connected with the outer side wall of the battery core body (21) through embedding, and graphene radiating films (210) are respectively bonded and fixed on the upper side and the lower side of the battery core body (21).
2. The lithium ion battery cell structure with good heat dissipation function of claim 1, wherein: the strip-shaped grooves (111) on the two sides are respectively communicated with the inner space of the battery cell placing groove (11).
3. The lithium ion battery cell structure with good heat dissipation function of claim 1, wherein: and the four limiting blocks (1131) are fixedly connected with the inner groove wall of the groove (113) through springs (1132) respectively.
4. The lithium ion battery cell structure with good heat dissipation function of claim 1, wherein: the bottom surface of the limiting block (1131) is located above the bottom of the groove (113).
5. The lithium ion battery cell structure with good heat dissipation function of claim 1, wherein: l-shaped mounting seats (121) are respectively welded and fixed at the two ends of the dustproof net (12) and on the lower surface of the dustproof net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120994570.2U CN215377616U (en) | 2021-05-11 | 2021-05-11 | Lithium ion battery cell structure with good heat dissipation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120994570.2U CN215377616U (en) | 2021-05-11 | 2021-05-11 | Lithium ion battery cell structure with good heat dissipation function |
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| Publication Number | Publication Date |
|---|---|
| CN215377616U true CN215377616U (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120994570.2U Active CN215377616U (en) | 2021-05-11 | 2021-05-11 | Lithium ion battery cell structure with good heat dissipation function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117410584A (en) * | 2023-12-12 | 2024-01-16 | 中安芯界控股集团有限公司 | Preparation process of high-stability slat battery chip |
| CN117497910A (en) * | 2024-01-02 | 2024-02-02 | 深圳稀导技术有限公司 | Heat dissipation film made of graphene material and mobile phone rear cover using same |
| TWI870878B (en) * | 2023-05-26 | 2025-01-21 | 輝能科技股份有限公司 | Composite battery assembly structure |
-
2021
- 2021-05-11 CN CN202120994570.2U patent/CN215377616U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI870878B (en) * | 2023-05-26 | 2025-01-21 | 輝能科技股份有限公司 | Composite battery assembly structure |
| CN117410584A (en) * | 2023-12-12 | 2024-01-16 | 中安芯界控股集团有限公司 | Preparation process of high-stability slat battery chip |
| CN117410584B (en) * | 2023-12-12 | 2024-02-23 | 中安芯界控股集团有限公司 | Preparation process of high-stability slat battery chip |
| CN117497910A (en) * | 2024-01-02 | 2024-02-02 | 深圳稀导技术有限公司 | Heat dissipation film made of graphene material and mobile phone rear cover using same |
| CN117497910B (en) * | 2024-01-02 | 2024-04-09 | 深圳稀导技术有限公司 | Heat dissipation film made of graphene material and mobile phone rear cover using same |
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