CN210778850U - High-safety lithium ion battery cell - Google Patents
High-safety lithium ion battery cell Download PDFInfo
- Publication number
- CN210778850U CN210778850U CN201921184958.5U CN201921184958U CN210778850U CN 210778850 U CN210778850 U CN 210778850U CN 201921184958 U CN201921184958 U CN 201921184958U CN 210778850 U CN210778850 U CN 210778850U
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- China
- Prior art keywords
- explosion
- battery cell
- shell
- plate
- proof spring
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model discloses a high security lithium ion electric core, including shell, front bezel, curb plate and electric core, still include guard plate, fixed pipe, baffle, explosion-proof spring, connection pad, shock attenuation spring and gasket, the front bezel passes through the mounting screw before the shell, the import of electric core business turn over is seted up to the shell side, the mounting groove is seted up on import upper portion, mounting groove surface grafting baffle, the explosion-proof spring of interval installation in the mounting groove, explosion-proof spring top links to each other with the shell, and the welding of explosion-proof spring bottom is in the mounting groove, explosion-proof spring has shock attenuation spring and gasket to constitute, both ends about the shock attenuation spring are welded to the gasket. The high-safety lithium ion battery cell has the advantages of ingenious and reasonable structure, good protective performance and excellent safety; the explosion-proof spring is equipped with in the mounting groove of shell, and when the atress of shell top, the explosion-proof spring through in the mounting groove carries out the decompression and handles, prevents the interior electric core atress explosion of shell, reduces electric core danger, and safe and reliable should use widely.
Description
Technical Field
The utility model relates to a lithium ion cell facility field especially relates to a high security lithium ion cell.
Background
The lithium ion battery has high energy density and high average output voltage. Small self-discharge, good battery, below 2% per month (recoverable). There is no memory effect. The working temperature range is-20 ℃ to 60 ℃. Excellent cycle performance, rapid charge and discharge, high charging efficiency up to 100%, and high output power. The service life is long. Contains no toxic and harmful substances, and is called green battery. However, when the lithium ion battery cell is used in a discharging mode, the internal short circuit is easily caused by the pressure on the battery cell, and the danger of explosion is brought.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high security lithium ion cell to solve above-mentioned technical problem.
In order to realize the purpose, the utility model adopts the following technical scheme:
a high-safety lithium ion battery cell comprises a shell, a front plate, side plates, a battery cell, a protection plate, a fixing pipe, a baffle plate, an explosion-proof spring, a connecting disc, a damping spring and a gasket, wherein the front plate is installed in front of the shell through screws, an inlet for the battery cell to pass in and out is formed in the side face of the shell, a mounting groove is formed in the upper portion of the inlet, the baffle plate is inserted in the surface of the mounting groove, the explosion-proof spring is installed in the mounting groove at intervals, the top of the explosion-proof spring is connected with the shell, the bottom of the explosion-proof spring is welded in the mounting groove, the explosion-proof spring is provided with the damping spring and the gasket, the gasket is welded at the upper end and the lower end of the damping spring, the explosion-proof spring is vertically installed in the shell and the mounting groove through the gasket, the two, the fixed pipe is horizontally arranged at the upper end and the lower end of the side plate, the fixed pipe is provided with a socket for current transmission, the surface of the side plate is provided with a strip-shaped fixed groove, and the protection plate is arranged on the surface of the side plate through the fixed groove.
On the basis of the technical scheme, the number of the side plates is two, and the surface socket of the battery cell is connected with the battery cell through the side plate back connecting piece.
On the basis of the technical scheme, the explosion-proof spring is positioned at the top of the battery cell, the battery cell is installed inside the shell through the inlet, and the two sides of the battery cell are fixed through the side plates.
On the basis of the technical scheme, the heat dissipation graphite plates are arranged in the fixing grooves in the surfaces of the side plates, and the protection plates are designed in a trapezoidal mode corresponding to the fixing pipes.
Compared with the prior lithium ion cell technology, the design scheme of the high-safety lithium ion cell has the following advantages: the high-safety lithium ion battery cell has the advantages of ingenious and reasonable structure, good protective performance and excellent safety; when the high-safety lithium ion battery cell is used, the cell is installed in the shell through the inlet, the two sides of the battery are fixed through the side plates, the protection plates are arranged in the fixing grooves in the surfaces of the side plates, the side surfaces of the cell are prevented from being damaged by stress, and current in the cell flows out of the socket in the surface of the fixing tube through the connecting sheet on the back of the side plates, so that the high-safety lithium ion battery cell is very convenient to; the explosion-proof spring is equipped with in the mounting groove of shell, and when the atress of shell top, the explosion-proof spring through in the mounting groove carries out the decompression and handles, prevents the electric core atress explosion in the shell, reduces danger, safe and reliable, should use widely.
Drawings
Fig. 1 is a structural diagram of the high-safety lithium ion battery cell of the present invention.
Fig. 2 is a component structure diagram of the high-safety lithium ion battery cell of the present invention.
Fig. 3 is a plan structure view of the high-safety lithium ion battery cell of the present invention.
Fig. 4 is a side plate structure view of the high-safety lithium ion battery cell of the present invention.
In the figure: 1. the shell, 2, front bezel, 3, curb plate, 4, guard plate, 5, fixed pipe, 6, fixed slot, 7, socket, 8, electric core, 9, baffle, 10, connection piece, 11, explosion-proof spring, 12, import, 13, mounting groove, 14, damping spring, 15, gasket.
Detailed Description
The invention is explained in further detail below with reference to the figures and the embodiments.
As shown in the figure, the high-safety lithium ion battery cell comprises a shell 1, a front plate 2, a side plate 3, a battery cell 8, a protection plate 4, a fixing tube 5, a baffle plate 9, an explosion-proof spring 11, a connecting disc, a damping spring 14 and a gasket 15, wherein the front plate 2 is installed in front of the shell 1 through screws, an inlet 12 for the battery cell 8 to go in and out is formed in the side surface of the shell 1, an installation groove 13 is formed in the upper portion of the inlet 12, the baffle plate 9 is inserted in the surface of the installation groove 13, the explosion-proof springs 11 are installed in the installation groove 13 at intervals, the top of each explosion-proof spring 11 is connected with the shell 1, the bottom of each explosion-proof spring 11 is welded in the installation groove 13, each explosion-proof spring 11 comprises the damping spring 14 and the gasket 15, the gaskets 15 are welded at the upper end and the lower end of each damping spring 14, the explosion, curb plate 3 comprises guard plate 4, fixed pipe 5 and connection piece 10, connection piece 10 is located the 3 backs of curb plate, electricity core 8 links to each other with curb plate 3 through connection piece 10, fixed pipe 5 horizontal installation is both ends about curb plate 3, fixed pipe sets up current transmission's socket 7, bar fixed slot 6 is seted up on 3 surfaces of curb plate, guard plate 4 passes through fixed slot 6 and installs on 3 surfaces of curb plate.
The quantity of the side plates 3 is two, and the surface sockets 7 of the battery cell 8 are connected with the battery cell 8 through the back connecting pieces 10 of the side plates 3.
Explosion-proof spring 11 is located electric core 8 top, electric core 8 passes through import 12 and installs inside shell 1, and electric core 8 both sides are fixed through curb plate 3.
The fixed groove 6 on the surface of the side plate 3 is internally provided with a heat dissipation graphite plate, and the protection plate 4 is designed in a trapezoidal shape corresponding to the fixed pipe 5.
The utility model discloses the theory of operation: when the high-safety lithium ion battery cell is used, the battery cell 8 is installed in the shell 1 through the inlet 12, two sides of the battery are fixed through the side plates 3, the protection plates 4 are installed in the fixing grooves 6 in the surfaces of the side plates 3, the side surfaces of the battery cell 8 are prevented from being damaged by stress, and current in the battery cell 8 flows out of the socket 7 in the surface of the fixing tube 5 through the connecting plate 10 on the back surface of the side plate 3, so that the high-safety lithium ion battery cell is very; explosion-proof spring 11 is equipped with in the mounting groove 13 of shell 1, and when the atress of shell 1 top, explosion-proof spring 11 through in the mounting groove 13 carries out the decompression and handles, prevents the explosion of electric core 8 atress in the shell 1, reduces danger, safe and reliable.
The foregoing is a preferred embodiment of the present invention, and for those skilled in the art to understand the teaching of the present invention, the changes, modifications, replacements and variations to the embodiments will still fall within the protection scope of the present invention without departing from the principle and spirit of the present invention.
Claims (4)
1. A high-safety lithium ion battery cell comprises a shell (1), a front plate (2), side plates (3) and a battery cell (8), and further comprises a protection plate (4), a fixing tube (5), a baffle plate (9), an explosion-proof spring (11), a connection plate, a damping spring (14) and a gasket (15), and is characterized in that the front plate (2) is installed in front of the shell (1) through screws, an inlet (12) for the battery cell (8) to enter and exit is formed in the side surface of the shell (1), an installation groove (13) is formed in the upper portion of the inlet (12), the baffle plate (9) is inserted into the surface of the installation groove (13), the explosion-proof spring (11) is installed in the installation groove (13) at intervals, the top of the explosion-proof spring (11) is connected with the shell (1), the bottom of the explosion-proof spring (11) is welded in the installation groove (13), and the explosion-proof, gasket (15) welding both ends about damping spring (14), explosion-proof spring (11) are vertically installed in shell (1) and mounting groove (13) through gasket (15), shell (1) both sides are passed through the screw and are linked to each other with curb plate (3), curb plate (3) comprise guard plate (4), fixed pipe (5) and connection piece (10), connection piece (10) are located curb plate (3) back, electric core (8) link to each other with curb plate (3) through connection piece (10), fixed pipe (5) horizontal installation is both ends about curb plate (3), fixed pipe sets up current transmission's socket (7), bar fixed slot (6) are seted up on curb plate (3) surface, guard plate (4) are installed on curb plate (3) surface through fixed slot (6).
2. The high-safety lithium ion battery cell according to claim 1, wherein the number of the side plates (3) is two, and the surface sockets (7) of the battery cell (8) are connected with the battery cell (8) through the back connecting plates (10) of the side plates (3).
3. The high-safety lithium ion battery cell according to claim 1, wherein the explosion-proof spring (11) is located on top of the battery cell (8), the battery cell (8) is installed inside the housing (1) through the inlet (12), and two sides of the battery cell (8) are fixed through the side plates (3).
4. The high-safety lithium ion battery cell according to claim 1, wherein a heat dissipation graphite plate is arranged in the fixing groove (6) on the surface of the side plate (3), and the protection plate (4) is in a trapezoidal design corresponding to the fixing tube (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921184958.5U CN210778850U (en) | 2019-07-26 | 2019-07-26 | High-safety lithium ion battery cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921184958.5U CN210778850U (en) | 2019-07-26 | 2019-07-26 | High-safety lithium ion battery cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210778850U true CN210778850U (en) | 2020-06-16 |
Family
ID=71042827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921184958.5U Expired - Fee Related CN210778850U (en) | 2019-07-26 | 2019-07-26 | High-safety lithium ion battery cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210778850U (en) |
-
2019
- 2019-07-26 CN CN201921184958.5U patent/CN210778850U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |