CN213989056U - Explosion-proof lithium battery - Google Patents
Explosion-proof lithium battery Download PDFInfo
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- CN213989056U CN213989056U CN202023161040.4U CN202023161040U CN213989056U CN 213989056 U CN213989056 U CN 213989056U CN 202023161040 U CN202023161040 U CN 202023161040U CN 213989056 U CN213989056 U CN 213989056U
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- Prior art keywords
- explosion
- polymer soft
- proof
- battery cell
- protective shell
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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 discloses an explosion-proof lithium battery, which comprises a protective shell, a damping spring and an explosion-proof device, wherein the outer surface of the protective shell is provided with a rubber protective sleeve, the top of a polymer soft-packaged battery cell is provided with a connecting terminal, the damping spring is used for connecting the protective shell and the polymer soft-packaged battery cell, the damping spring is symmetrically arranged at the left side and the right side of the polymer soft-packaged battery cell, the damping spring is internally provided with a telescopic guide rod, the explosion-proof device is arranged below the polymer soft-packaged battery cell, the bottom of the explosion-proof device is fixedly connected with the protective shell, the explosion-proof lithium battery is provided with the rubber protective sleeve and the damping spring, the rubber protective sleeve and the damping spring can deform when the device drops, thereby reducing the impact on the polymer soft-packaged battery cell when the device is contacted with the ground, and further being convenient for preventing the polymer soft-packaged battery cell from exploding due to larger impact with the ground when the polymer soft-packaged battery cell drops, thereby being convenient for protect polymer soft-packaged cell.
Description
Technical Field
The utility model relates to a lithium cell especially relates to an explosion-proof lithium cell.
Background
A lithium battery is a type of battery using a nonaqueous electrolyte solution, using lithium metal or a lithium alloy as a positive/negative electrode material. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of science and technology, lithium batteries have become mainstream, and through mass search, it is found that an explosion-proof lithium battery in the prior art is typically an explosion-proof small-sized lithium battery of publication number CN210866364U, and includes an electrolytic reactor, the electrolytic reactor is disposed in a built-in box, an outer protective shell is covered outside the built-in box, the outer protective shell includes a top protective plate and side protective plates, the side protective plates are provided with four groups, the top protective plate is provided with two groups, a clamping cavity is formed between an inner cavity of the outer protective shell and the built-in box, and clamping grooves are disposed at upper and lower ends of the built-in box, and the clamping grooves mainly utilize heat dissipation strip-shaped grooves to dissipate heat quickly to prevent heat accumulation from causing explosion, thereby achieving the purpose of explosion prevention.
To sum up current explosion-proof lithium cell can only protect the explosion that high temperature produced mostly, and inconvenient to the extrusion and fall the explosion that produces and protect, and the structure is comparatively single, to above-mentioned problem, needs to improve current equipment.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art, one of the purposes of the utility model is to solve the current explosion-proof lithium cell that has now that mentions in the above-mentioned background art and can only protect the explosion that the high temperature produced mostly, and inconvenient to the extrusion and drop the explosion that produces and protect, the comparatively single problem of structure.
The utility model discloses an one of the purpose adopts following technical scheme to realize:
an explosion-proof lithium battery comprises a protective shell, a damping spring and an explosion-proof device,
the protective device comprises a protective shell, a rubber protective sleeve and a polymer soft-package battery cell, wherein the outer surface of the protective shell is provided with the rubber protective sleeve, the polymer soft-package battery cell is arranged in the protective shell, the top of the polymer soft-package battery cell is provided with a connecting terminal, and the connecting terminal penetrates through the top of the protective shell;
the damping springs are symmetrically arranged on the left side and the right side of the polymer soft package battery cell, and telescopic guide rods are arranged in the damping springs;
the explosion-proof device is arranged below the polymer soft-package battery cell, and the bottom of the explosion-proof device is fixedly connected with the protective shell.
Furthermore, four groups of heat dissipation holes are formed in the top of the protective shell and are symmetrically arranged on the left side and the right side of the connecting terminal.
Furthermore, radiating fins are distributed on the polymer soft package battery cell in a rectangular array shape, and a temperature sensor and a controller are arranged at the bottom of the polymer soft package battery cell.
Further, explosion-proof equipment includes gasbag, electric valve, connecting tube and inflation valve, and the top of gasbag is provided with electric valve, the right side of gasbag is connected with the connecting tube, and connecting tube runs through protective housing's right side and rubber lag, is provided with the inflation valve simultaneously on the connecting tube.
Furthermore, the electric valve, the temperature sensor and the controller are electrically connected.
Furthermore, the inner sides of the heat dissipation holes are provided with dust screens, and the dust screens are in threaded connection with the protective shell through connecting pieces.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the rubber protective sleeve and the damping spring are arranged, and the rubber protective sleeve and the damping spring can deform when the device falls, so that the impact on the polymer soft-packaged battery cell when the device is in contact with the ground can be reduced, the polymer soft-packaged battery cell can be prevented from exploding due to large impact with the ground when the polymer soft-packaged battery cell falls, and the polymer soft-packaged battery cell can be protected;
2. be provided with temperature sensor, temperature sensor can carry out real-time detection to the temperature on polymer soft-packaged electrical core surface, when temperature sensor detected the temperature of polymer soft-packaged electrical core surface and exceeded the setting value, temperature sensor will give the controller this information transfer, the controller will open the inside that the motorised valve arranged the carbon dioxide gas in with the gasbag to protective housing, thereby can extrude the inside heat and the air of protective housing, and then reach radiating purpose, carbon dioxide gas also can prevent that polymer soft-packaged electrical core from taking place the burning because of the high temperature simultaneously, and then be convenient for prevent that polymer soft-packaged electrical core from exploding.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic front sectional view illustrating the present embodiment;
FIG. 2 is a schematic top view of the present embodiment;
fig. 3 is a schematic view of the workflow structure of the present embodiment.
In the figure: 1. a protective housing; 2. a rubber protective sleeve; 3. a polymer soft-package battery cell; 4. a connection terminal; 5. a heat sink; 6. a temperature sensor; 7. a controller; 8. a damping spring; 9. an explosion-proof device; 10. an air bag; 11. an electrically operated valve; 12. connecting a pipeline; 13. an inflation valve; 14. a connecting member; 15. a dust screen; 16. and (4) heat dissipation holes.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 3, an explosion-proof lithium battery, as shown in fig. 1 and 2, a rubber protective cover 2 is disposed on an outer surface of a protective housing 1, four sets of heat dissipation holes 16 are disposed on a top of the protective housing 1, the heat dissipation holes 16 are symmetrically disposed on left and right sides of a connection terminal 4, the heat dissipation holes 16 perform a heat dissipation and exhaust function, dust screens 15 are disposed inside the heat dissipation holes 16, the dust screens 15 are threadedly connected to the protective housing 1 through heat dissipation hole 16 connectors 14, the dust screens 15 can prevent external dust from entering the protective housing 1 through the heat dissipation holes 16, so as to prevent the dust from polluting a polymer soft-package battery cell 3, the protective housing 1 is internally provided with the polymer soft-package battery cell 3, heat dissipation fins 5 are disposed on the polymer soft-package battery cell 3 in a rectangular array, the heat dissipation fins 5 are convenient for increasing a heat dissipation speed of the polymer soft-package battery cell 3, and a temperature sensor 6 and a controller 7 are disposed at a bottom of the polymer soft-package battery cell 3, the top of polymer soft-packaged electrical core 3 is provided with connecting terminal 4, and connecting terminal 4 runs through protective housing 1's top, and damping spring 8 is used for connecting protective housing 1 and polymer soft-packaged electrical core 3, and 8 symmetries of damping spring set up in the left and right sides of polymer soft-packaged electrical core 3, and 8 inside flexible guide arms that are provided with of damping spring.
As shown in fig. 1 and fig. 3, the explosion-proof device 9 is arranged below the polymer soft-package battery core 3, the bottom of the explosion-proof device 9 is fixedly connected with the protective casing 1, the explosion-proof device 9 comprises an air bag 10, an electric valve 11, a connecting pipeline 12 and an inflation valve 13, and the top of the air bag 10 is provided with an electric valve 11, the right side of the air bag 10 is connected with a connecting pipeline 12, the connecting pipeline 12 penetrates through the right side of the protective shell 1 and the rubber protective sleeve 2, meanwhile, the connecting pipeline 12 is provided with an inflation valve 13, carbon dioxide can be filled into the air bag 10 through the connecting pipeline 12, the carbon dioxide has the functions of isolating air and reducing oxygen concentration, thereby have good fire prevention explosion-proof ability, be electric connection between 11 electric valve and temperature sensor 6 and the controller 7, temperature sensor 6 can carry out real-time detection to the surface temperature of polymer soft-packaged electrical core 3 to be convenient for prevent that polymer soft-packaged electrical core 3 from taking place accident because of the high temperature.
The operation of the embodiment is simple, the model of the controller 7 is RPCF-6, the model of the temperature sensor 6 is pt100, the charge valve 13 can be opened to charge carbon dioxide into the airbag 10 through the connecting pipe 12, then the polymer soft-package battery cell 3 can be connected with external equipment by using the connecting terminal 4, the heat generated by the polymer soft-package battery cell 3 during operation can be transferred to the heat sink 5, and then the heat sink can be rapidly dissipated by using the advantage of large heat dissipation area of the heat sink, so as to facilitate the heat dissipation of the polymer soft-package battery cell 3, meanwhile, the temperature sensor 6 monitors the surface temperature of the polymer soft-package battery cell 3, when the temperature sensor 6 detects that the surface temperature of the polymer soft-package battery cell 3 exceeds a set value, the temperature sensor 6 transmits the detected information to the controller 7, and the controller 7 opens the electric valve 11 at once, thereby can make the inside of protective housing 1 be filled rapidly to the carbon dioxide in the gasbag 10, and then can prevent that polymer soft-packaged electrical core 3 from taking place the burning because of the high temperature, and then can play blast-proof effect, simultaneously carbon dioxide also can extrude protective housing 1's inside steam from louvre 16, thereby also can play certain radiating action, dust screen 15 can prevent that external dust from getting into protective housing 1 internal contamination polymer soft-packaged electrical core 3 through louvre 16, damping spring 8 and rubber lag 2 can be when the device accident drops, reduce the impact that the device impactes the ground and causes polymer soft-packaged electrical core 3, and then be convenient for protect polymer soft-packaged electrical core 3, thereby be convenient for prevent that polymer soft-packaged electrical core 3 from blasting because of the too big emergence of the impact that suffers, this has just accomplished whole work.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (6)
1. The utility model provides an explosion-proof lithium cell, includes protective housing (1), damping spring (8) and explosion-proof equipment (9), its characterized in that:
the protective device comprises a protective shell (1), wherein a rubber protective sleeve (2) is arranged on the outer surface of the protective shell (1), a polymer soft-package battery cell (3) is arranged in the protective shell (1), a connecting terminal (4) is arranged at the top of the polymer soft-package battery cell (3), and the connecting terminal (4) penetrates through the top of the protective shell (1);
the damping spring (8) is used for connecting the protective shell (1) and the polymer soft-package battery cell (3), the damping springs (8) are symmetrically arranged on the left side and the right side of the polymer soft-package battery cell (3), and a telescopic guide rod is arranged inside the damping spring (8);
the explosion-proof device (9), explosion-proof device (9) set up in the below of polymer soft-packaged electrical core (3), and explosion-proof device (9) bottom and protective housing (1) fixed connection.
2. The explosion-proof lithium battery of claim 1, wherein: four groups of radiating holes (16) are formed in the top of the protective shell (1), and the radiating holes (16) are symmetrically formed in the left side and the right side of the connecting terminal (4).
3. The explosion-proof lithium battery of claim 1, wherein: the polymer soft package battery core (3) is provided with radiating fins (5) in a rectangular array shape, and the bottom of the polymer soft package battery core (3) is provided with a temperature sensor (6) and a controller (7).
4. The explosion-proof lithium battery of claim 1, wherein: explosion-proof equipment (9) are including gasbag (10), electric valve (11), connecting tube (12) and inflation valve (13), and the top of gasbag (10) is provided with electric valve (11), the right side of gasbag (10) is connected with connecting tube (12), and connecting tube (12) run through the right side and the rubber protection cover (2) of protective housing (1), are provided with inflation valve (13) on connecting tube (12) simultaneously.
5. The explosion-proof lithium battery of claim 4, wherein: the electric valve (11) is electrically connected with the temperature sensor (6) and the controller (7).
6. The explosion-proof lithium battery of claim 2, wherein: the inner sides of the heat dissipation holes (16) are provided with dust screens (15), and the dust screens (15) are in threaded connection with the protective shell (1) through connecting pieces (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023161040.4U CN213989056U (en) | 2020-12-25 | 2020-12-25 | Explosion-proof lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023161040.4U CN213989056U (en) | 2020-12-25 | 2020-12-25 | Explosion-proof lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213989056U true CN213989056U (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023161040.4U Expired - Fee Related CN213989056U (en) | 2020-12-25 | 2020-12-25 | Explosion-proof lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213989056U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115642355A (en) * | 2022-10-09 | 2023-01-24 | 刘洪涛 | Soft package lithium battery |
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2020
- 2020-12-25 CN CN202023161040.4U patent/CN213989056U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115642355A (en) * | 2022-10-09 | 2023-01-24 | 刘洪涛 | Soft package lithium battery |
| CN115642355B (en) * | 2022-10-09 | 2023-11-17 | 深圳市增长点科技有限公司 | Soft package lithium battery |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210817 Termination date: 20211225 |
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| CF01 | Termination of patent right due to non-payment of annual fee |