CN112366382A - Lithium battery cell with good heat dissipation effect and protection function - Google Patents
Lithium battery cell with good heat dissipation effect and protection function Download PDFInfo
- Publication number
- CN112366382A CN112366382A CN201910681623.2A CN201910681623A CN112366382A CN 112366382 A CN112366382 A CN 112366382A CN 201910681623 A CN201910681623 A CN 201910681623A CN 112366382 A CN112366382 A CN 112366382A
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- Prior art keywords
- shell
- cell
- wall
- heat dissipation
- battery core
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
- H01M10/6555—Rods or plates arranged between the cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a lithium battery cell with good heat dissipation effect and protection function in the technical field of lithium batteries, wherein a cell body is arranged in an inner cavity of a cell shell, a front baffle is arranged on the left side wall of the cell shell, a rear baffle is arranged on the right side wall of the cell shell, two heat dissipation fans are arranged on the inner wall of the front baffle, a heat dissipation aluminum plate is inserted between the cell bodies, liquid cooling pipes are arranged on the surfaces of two ends of the cell body and are attached to the cell body, a buffer strip is slidably embedded on the surface of the shock absorption shell, elastic buffer blocks are arranged on the side wall of the buffer strip at equal intervals, two buffer columns are symmetrically arranged on the side wall of the other side of the buffer strip, the buffer columns are slidably inserted in an inner cavity of a shock absorption sleeve, the other end of the shock absorption spring is fixedly connected with the inner wall of the shock, and the service life of the lithium battery cell is prolonged.
Description
Technical Field
The invention relates to the technical field of lithium batteries, in particular to a lithium battery cell with good heat dissipation effect and a protection function.
Background
The "lithium battery" is a kind of battery using non-aqueous electrolyte solution and using lithium metal or lithium alloy as negative electrode material, and the cell refers to a single electrochemical cell containing positive and negative electrodes, and is not generally used directly. The battery is different from a battery which comprises a protection circuit and a shell and can be directly used.
Lithium battery cell can produce higher heat at the during operation, if not in time dispel the heat, can lead to the component damage in it, and current lithium battery cell does not all have protect function, can increase use cost because the striking leads to the damage of component, for this reason, we propose a radiating effect has protect function's lithium battery cell well.
Disclosure of Invention
The invention aims to provide a lithium battery cell with good heat dissipation effect and a protection function, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a lithium battery cell with good heat dissipation effect and protection function comprises a cell shell, wherein a cell body is arranged in an inner cavity of the cell shell, a front baffle is arranged on the left side wall of the cell shell, a rear baffle is arranged on the right side wall of the cell shell, two heat dissipation fans are installed on the inner wall of the front baffle, a heat dissipation aluminum plate is inserted between the cell bodies, a heat conduction silica gel gasket is arranged in the inner cavity of the cell shell and wraps the outer wall of a liquid cooling pipe, the liquid cooling pipe is arranged on the two end surfaces of the cell body and is attached to the two end surfaces of the cell body, the outer wall of the cell shell is fixedly connected with a damping shell through locking screws, a buffer strip is embedded in the surface of the damping shell in a sliding manner, elastic buffer blocks are arranged on the side wall of the buffer strip at equal intervals, two buffer columns are symmetrically arranged on the side, and one end of the buffer column is fixedly connected with the damping spring, and the other end of the damping spring is fixedly connected with the inner wall of the damping sleeve.
Furthermore, the elastic buffer blocks are of square structures, and 3-4 elastic buffer blocks are arranged.
Further, the shock attenuation shell is the cuboid concave type structure of adaptation and electric core shell outer wall, just the spout has been seted up to the shock attenuation shell inner wall, the mounting hole has been seted up at the shock attenuation shell both ends.
Further, cell shell lateral wall four corners department is provided with arc connecting portion, the arc connecting portion outside is provided with the block rubber, the block rubber is the arc structure.
Further, the inner wall of the battery cell shell is provided with a heat dissipation plate, the side wall of the heat dissipation plate is in close contact with the outer wall of the liquid cooling pipe, and a buffer material is filled in the interlayer between the heat dissipation plate and the inner cavity of the battery cell shell.
Furthermore, the front baffle and the rear baffle are both provided with mounting openings and wire holes.
Compared with the prior art, the invention has the beneficial effects that: the battery core shell provided by the invention has the advantages that the structure is simple, the design is reasonable, the effects of air cooling and liquid cooling can be realized simultaneously due to the arrangement of the cooling fan and the liquid cooling pipe, the battery core body can be cooled quickly, the normal work of the battery core body is ensured, meanwhile, the damping and buffering mechanism is arranged on the outer wall of the battery core shell, and the impact force on the battery core shell can be effectively reduced due to the use of the elastic buffering block and the rubber block, so that the battery core body is protected, the maintenance cost is reduced, and the service life of the battery core body is prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure at A of the present invention.
In the figure: 1. a cell shell; 2. a cell body; 3. a front baffle; 4. a heat radiation fan; 5. a tailgate; 6. a heat dissipation aluminum plate; 7. a heat-conducting silica gel gasket; 8. a liquid-cooled tube; 9. a shock-absorbing housing; 10. a buffer strip; 11. an elastic buffer block; 12. a buffer column; 13. a shock-absorbing sleeve; 14. a damping spring; 15. a heat dissipation plate; 16. an arc-shaped connecting part; 17. a rubber block.
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
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.
The invention provides a lithium battery cell with good heat dissipation effect and a protection function, which has the advantages of good heat dissipation effect and protection effect on the lithium battery cell, and please refer to fig. 1 and 2, wherein the lithium battery cell comprises a cell shell 1, a cell body 2, a front baffle 3, a heat dissipation fan 4, a rear baffle 5, a heat dissipation aluminum plate 6, a heat conduction silica gel gasket 7, a liquid cooling pipe 8, a shock absorption shell 9, a buffer strip 10, an elastic buffer block 11, a buffer column 12, a shock absorption sleeve 13 and a shock absorption spring 14;
referring to fig. 1, a cell body 2 is disposed in an inner cavity of a cell casing 1, a front baffle 3 is disposed on a left side wall of the cell casing 1, a rear baffle 5 is disposed on a right side wall of the cell casing 1, heat dissipation holes are formed in the rear baffle for facilitating air flow in the inner cavity of the cell casing 1, two heat dissipation fans 4 are installed on an inner wall of the front baffle 3,
referring to fig. 1 again, a heat dissipation aluminum plate 6 is inserted between the cell bodies 2, a heat conduction silica gel gasket 7 is arranged in an inner cavity of the cell shell 1, the heat conduction silica gel gasket 7 wraps the outer wall of the liquid cooling tube 8, the liquid cooling tube 8 is arranged on the surfaces of the two ends of the cell body 2 and is attached to the liquid cooling tube, and the cooling liquid in the liquid cooling tube 8 is free to circularly flow due to expansion caused by heat and contraction caused by cold so as to take away heat, so that a good heat dissipation effect is achieved;
referring to fig. 2, the outer wall of the cell casing 1 is fixedly connected with a damping casing 9 through a locking screw, a buffering strip 10 is slidably embedded in the surface of the damping casing 9, the buffering strip 10 is made of an elastic buffering material, elastic buffering blocks 11 are arranged on the side walls of the buffering strip 10 at equal intervals, two buffering columns 12 are symmetrically arranged on the side wall of the other side of the buffering strip 10, one ends of the buffering columns 12 are slidably inserted into a damping sleeve 13, and the buffering columns 12 are made of an aluminum alloy material;
referring to fig. 2 again, the buffer column 12 is inserted into the inner cavity of the damping sleeve 13 in a sliding manner, and one end of the buffer column 12 is fixedly connected to the damping spring 14 for offsetting the impact force applied to the buffer strip 10 to achieve a damping effect, so as to protect the cell casing 1, and the other end of the damping spring 14 is fixedly connected to the inner wall of the damping sleeve 13.
Example (b): when the heat dissipation fan 4 works, the air flow between the gaps of the cell body 2 is accelerated, the heat generated by the cell body 2 is taken away, the heat which is not easy to dissipate on the surface of the cell body 2 can be conducted to the metal cell shell 1 for heat dissipation by the arrangement of the heat conduction silica gel gasket 7, the heat conduction silica gel gasket 7 has a good anti-piercing protection function on the cell body 2, the heat is taken away by the free circulation flow of the cooling liquid in the liquid cooling pipe 8 after expansion with heat and contraction with cold, a good heat dissipation effect is achieved, the normal work of the cell body 2 is ensured, when the cell shell 1 is subjected to impact force, the impact force acts on the plurality of elastic buffer blocks 11 to drive the buffer strips 10 to move inwards along the shock absorption shell 9, the buffer columns 12 on the side walls of the buffer strips 10 are subjected to reverse acting force from the shock absorption springs 14 in the shock absorption sleeves 13, the impact force can be reduced and offset, thereby reducing the, the service life of the battery cell body 2 is prolonged.
The elastic buffer blocks 11 are of square structures, 3-4 elastic buffer blocks 11 are arranged, and the number of the elastic buffer blocks 11 can be increased or decreased according to actual conditions.
Referring to fig. 1, in order to reduce the damage of the impact on the corners of the cell casing, arc-shaped connecting portions 16 are arranged at the four corners of the outer side wall of the cell casing 1, rubber blocks 17 are arranged on the outer sides of the arc-shaped connecting portions 16, the rubber blocks 17 are of arc-shaped structures, and the rubber blocks can effectively reduce and offset the impact force to protect the cell casing.
Referring to fig. 1, in order to enhance the heat dissipation effect, a heat dissipation plate 15 is disposed on an inner wall of the cell housing 1, a side wall of the heat dissipation plate 15 is in close contact with an outer wall of the liquid cooling tube 8, so that the excess heat is conveniently conducted out through the heat dissipation plate 15, and a buffer material is filled in an interlayer between the heat dissipation plate 15 and an inner cavity of the cell housing 1.
The mounting opening and the wire hole are formed in the front baffle 3 and the rear baffle 5, so that the heat dissipation fan 4 is convenient to mount on the electric connection.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
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 (6)
1. The utility model provides a lithium battery cell that radiating effect is good has protect function, includes cell shell (1), its characterized in that: the battery core comprises a battery core shell (1), wherein a battery core body (2) is arranged in an inner cavity of the battery core shell (1), a front baffle (3) is arranged on the left side wall of the battery core shell (1), a rear baffle (5) is arranged on the right side wall of the battery core shell (1), two cooling fans (4) are installed on the inner wall of the front baffle (3), a cooling aluminum plate (6) is inserted between the battery core bodies (2), a heat-conducting silica gel gasket (7) is arranged in the inner cavity of the battery core shell (1), the heat-conducting silica gel gasket (7) wraps the outer wall of a liquid cooling pipe (8), the liquid cooling pipe (8) is arranged on the surfaces of the two ends of the battery core body (2) and attached to the two ends of the battery core body (2), the outer wall of the battery core shell (1) is fixedly connected with a damping shell (9) through locking screws, damping strips, and the other side wall of the buffer strip (10) is symmetrically provided with two buffer columns (12), the buffer columns (12) are inserted into the inner cavity of the damping sleeve (13) in a sliding manner, one ends of the buffer columns (12) are fixedly connected with a damping spring (14), and the other ends of the damping spring (14) are fixedly connected with the inner wall of the damping sleeve (13).
2. The lithium battery cell with good heat dissipation effect and protection function of claim 1, characterized in that: the elastic buffer blocks (11) are of square structures, and 3-4 elastic buffer blocks (11) are arranged.
3. The lithium battery cell with good heat dissipation effect and protection function of claim 1, characterized in that: shock attenuation shell (9) are the cuboid concave structure of adaptation and electric core shell (1) outer wall, just the spout has been seted up to shock attenuation shell (9) inner wall, the mounting hole has been seted up at shock attenuation shell (9) both ends.
4. The lithium battery cell with good heat dissipation effect and protection function of claim 1, characterized in that: arc connecting portion (16) are provided with in cell shell (1) lateral wall four corners department, arc connecting portion (16) outside is provided with rubber block (17), rubber block (17) are the arc structure.
5. The lithium battery cell with good heat dissipation effect and protection function of claim 1, characterized in that: cell shell (1) inner wall is provided with heating panel (15), heating panel (15) lateral wall and liquid cooling pipe (8) outer wall in close contact with, just it has buffer material to fill in the intermediate layer of heating panel (15) and cell shell (1) inner chamber.
6. The lithium battery cell with good heat dissipation effect and protection function of claim 1, characterized in that: the front baffle (3) and the rear baffle (5) are both provided with mounting openings and wire holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910681623.2A CN112366382A (en) | 2019-07-26 | 2019-07-26 | Lithium battery cell with good heat dissipation effect and protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910681623.2A CN112366382A (en) | 2019-07-26 | 2019-07-26 | Lithium battery cell with good heat dissipation effect and protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112366382A true CN112366382A (en) | 2021-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910681623.2A Pending CN112366382A (en) | 2019-07-26 | 2019-07-26 | Lithium battery cell with good heat dissipation effect and protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112366382A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113054314A (en) * | 2021-03-16 | 2021-06-29 | 岭南师范学院 | Automobile power battery enhanced heat transfer system under action of multiple heat dissipation modes |
| CN114142149A (en) * | 2021-11-29 | 2022-03-04 | 江苏国航动力科技有限公司 | Puncture-resistant lithium battery module box and assembly process thereof |
-
2019
- 2019-07-26 CN CN201910681623.2A patent/CN112366382A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113054314A (en) * | 2021-03-16 | 2021-06-29 | 岭南师范学院 | Automobile power battery enhanced heat transfer system under action of multiple heat dissipation modes |
| CN114142149A (en) * | 2021-11-29 | 2022-03-04 | 江苏国航动力科技有限公司 | Puncture-resistant lithium battery module box and assembly process thereof |
| CN114142149B (en) * | 2021-11-29 | 2024-03-08 | 江苏国航动力科技有限公司 | Puncture-resistant lithium battery module box and assembly process thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210212 |