CN216213693U - Lithium battery explosion-proof equipment of monitoring and cooling - Google Patents
Lithium battery explosion-proof equipment of monitoring and cooling Download PDFInfo
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- CN216213693U CN216213693U CN202122501257.3U CN202122501257U CN216213693U CN 216213693 U CN216213693 U CN 216213693U CN 202122501257 U CN202122501257 U CN 202122501257U CN 216213693 U CN216213693 U CN 216213693U
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- lithium battery
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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 a lithium battery explosion-proof device for monitoring and cooling, and relates to the technical field of lithium batteries. The utility model comprises a shell, wherein a combined lithium battery is fixedly connected in the shell, heat conductors symmetrically penetrate through two sides of the shell, a heat absorbing sheet is fixedly connected to one side of each heat conductor, cooling devices are symmetrically and fixedly connected to two sides of the shell, an exhaust device is fixedly connected to the upper surface of the shell, and a temperature sensor is fixedly connected to the upper part in the shell. According to the utility model, through cooperation between the heat absorbing sheet and the heat conductor, heat in the combined lithium battery can be absorbed, and explosion of the combined lithium battery caused by overhigh temperature is prevented.
Description
Technical Field
The utility model belongs to the technical field of lithium batteries, and particularly relates to a lithium battery explosion-proof device for monitoring and cooling.
Background
In daily life, a lithium battery is often used for supplying power to electric equipment, and because the lithium battery is a non-aqueous electrolyte solution, the temperature is too low, the electrode reaction rate is reduced, the output power of the battery is reduced, the temperature is too high, various side reactions can be generated, and the service life of the battery is shortened. Lithium is very active in chemical property and easy to burn, the temperature inside the battery rises, and generated gas continuously expands and finally explodes, so that the lithium battery is very dangerous.
The application number is CN201320576274.6 discloses a power lithium cell safety explosion-proof valve in the patent specification, including valve body, sealing washer, case, nut, spring, the valve body is installed in the battery case outside, the case lower extreme has a recess, the sealing washer is impressed in the recess of case lower extreme, spring mounting is on case upper portion, and the case passes through the nut dress is on the valve body, be equipped with the side pressure hole on the valve body, the circular seal circle of sealing washer for having certain thickness. This device can not cool down the processing to the lithium cell, easily leads to the lithium cell explosion because the temperature rise.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the related art, the utility model provides a lithium battery explosion-proof device for monitoring and cooling, which aims to overcome the technical problems in the prior related art.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to a lithium battery explosion-proof device for monitoring and cooling, which comprises a shell, wherein a combined lithium battery is fixedly connected in the shell, heat conductors symmetrically penetrate through two sides of the shell, a heat absorbing sheet is fixedly connected to one side of each heat conductor, cooling devices are symmetrically and fixedly connected to two sides of the shell, an exhaust device is fixedly connected to the upper surface of the shell, and a temperature sensor is fixedly connected to the upper part in the shell.
Furthermore, a plurality of heat absorbing sheets are linearly arranged at equal intervals, and the other ends of the heat absorbing sheets are tightly attached to one side of the combined lithium battery.
Further, the cooling device comprises a liquid storage tank fixedly connected to the shell, liquid conveying pipes are fixedly connected to two sides of the liquid storage tank, and a cooling tank is fixedly connected to the other ends of the liquid conveying pipes.
Further, the heat conductor is arranged inside the cooling box, and one end of the temperature sensor is tightly attached to the combined lithium battery.
Further, exhaust apparatus is provided with and stretches out the groove, it is provided with the ventilation groove to stretch out the tank bottom along four corners run through, stretch out tank bottom fixedly connected with spring, spring other end fixedly connected with piston, the piston upper surface with the coincidence is gone up to the shell.
Furthermore, a plurality of exhaust devices are arranged on the periphery of the upper surface of the shell.
The utility model has the following beneficial effects:
1. through the cooperation between the heat absorbing sheet and the heat conductor, the heat in the combined lithium battery can be absorbed, and the combined lithium battery is prevented from being exploded due to overhigh temperature;
2. the cooperation between the cooling device and the temperature sensor enables the temperature inside the combined lithium battery to be detected in real time and cooled in time;
3. through cooperation between the shell and the exhaust device, gas generated by the combined lithium battery can be released in time, and explosion caused by overlarge internal gas pressure is prevented.
Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive work.
FIG. 1 is an overall schematic view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged detail view taken at A in FIG. 2 according to the present invention;
fig. 4 is a cross-sectional view of an exhaust apparatus of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a housing; 2. a combined lithium battery; 3. a heat conductor; 4. a heat absorbing sheet; 5. a cooling device; 501. a liquid storage tank; 502. a transfusion tube; 503. a cooling tank; 6. an exhaust device; 601. extending out of the groove; 602. a ventilation slot; 603. a spring; 604. a piston; 7. a temperature sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open", "upper", "lower", "top", "middle", "inner", and the like, indicate positional or orientational relationships and are used merely for convenience in describing the utility model and for simplicity in description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.
Referring to fig. 1-4, the present invention is directed to an explosion-proof lithium battery device for monitoring and cooling, which includes a housing 1, a combined lithium battery 2 is fixedly connected inside the housing 1, heat conductors 3 symmetrically penetrate through two sides of the housing 1, a heat absorbing plate 4 is fixedly connected to one side of each of the heat conductors 3, cooling devices 5 are symmetrically and fixedly connected to two sides of the housing 1, an exhaust device 6 is fixedly connected to an upper surface of the housing 1, and a temperature sensor 7 is fixedly connected to an upper portion inside the housing 1.
In one embodiment, for the heat absorbing sheet 4, the heat absorbing sheets 4 are linearly arranged at equal intervals, and the other end of the heat absorbing sheet 4 is closely attached to one side of the combined lithium battery 2, so that the heat absorbing sheet 4 can absorb heat emitted by the combined lithium battery 2 and then transfer the heat to the heat conductor 3, and further the combined lithium battery 2 can be cooled to keep the internal temperature constant.
In an embodiment, for the cooling device 5, the cooling device 5 includes a liquid storage tank 501, the liquid storage tank 501 is fixedly connected to the housing 1, liquid conveying pipes 502 are fixedly connected to two sides of the liquid storage tank 501, and a cooling tank 503 is fixedly connected to the other end of the liquid conveying pipe 502, so that when the cooling operation is performed, the cooling liquid enters the liquid conveying pipe 502 from the liquid storage tank 501 and then enters the cooling tank 503 from the liquid conveying pipe 502, and the heat conductor 3 is cooled, so that the lithium battery pack 2 is cooled.
In one embodiment, for the above heat conductor 3, the heat conductor 3 is inside the cooling box 503, and one end of the temperature sensor 7 is closely attached to the assembled lithium battery 2, so that the temperature sensor 7 detects the temperature of the assembled lithium battery 2, and the cooling liquid cools the heat conductor 3 in the cooling box 503, so as to detect the temperature of the assembled lithium battery 2 in real time, and once the temperature is too high, the temperature sensor 7 transmits a signal to the liquid storage box 501, so that the cooling liquid enters the cooling box 503 to cool the heat conductor 3.
In an embodiment, for the above exhaust device 6, the exhaust device 6 is provided with an extending groove 601, the bottom of the extending groove 601 is provided with ventilating grooves 602 along four corners, a spring 603 is fixedly connected to the bottom surface of the extending groove 601, the other end of the spring 603 is fixedly connected to a piston 604, and the upper surface of the piston 604 coincides with the upper surface of the housing 1, so that when the lithium assembled battery 2 generates gas due to overcharge or overdischarge, the gas enters the ventilating grooves 602, the piston 604 moves upwards due to the increase of the gas pressure, the gas is exhausted from the extending groove 601, the gas pressure is reduced, the spring 603 gives a pulling force to the piston 604 to reset the piston 604, thereby preventing the explosion caused by the increase of the pressure due to the excessive internal gas, and simultaneously preventing the external air from entering and reacting with the lithium assembled battery 2, and shortening the service life of the battery.
In one embodiment, as for the above exhaust device 6, the exhaust device 6 is provided with a plurality of exhaust devices along the periphery of the upper surface of the housing 1, so as to increase the exhaust amount of gas, and further prevent the gas from being exhausted in time to accumulate too much gas, so that the internal pressure is increased and explosion is caused.
In summary, according to the above technical solution of the present invention, the temperature sensor 7 detects the temperature of the lithium battery assembly 2, and can detect the temperature of the lithium battery assembly 2 in real time, when the temperature of the lithium battery assembly 2 is too high, the temperature sensor 7 gives a signal to the liquid storage tank 501, so that the cooling liquid enters the liquid transport pipe 502 from the liquid storage tank 501, and then enters the cooling tank 503 from the liquid transport pipe 502, at this time, the heat absorbing sheet 4 absorbs heat for the lithium battery assembly 2, the heat absorbing sheet 4 guides the heat into the heat conductor 3, the cooling liquid cools the heat conductor 3 in the cooling tank 503, so as to lower the temperature of the lithium battery assembly 2, when the lithium battery assembly 2 is overcharged or overdischarged, the generated gas enters the ventilation groove 602, due to the increase of the gas pressure, the piston 604 moves upward, the gas is discharged from the extension groove 601, the gas pressure is reduced, the spring 603 gives a pulling force to the piston 604, so as to reset the piston 604, the explosion caused by the increase of pressure caused by excessive internal gas is prevented, and meanwhile, the external air is prevented from entering and reacting with the combined lithium battery 2, and the service life of the battery is shortened.
Through the technical scheme, 1, through the cooperation between the heat absorbing sheet 4 and the heat conductor 3, the heat in the combined lithium battery 2 can be absorbed, and the combined lithium battery 2 is prevented from being exploded due to overhigh temperature; 2. through the cooperation between the cooling device 5 and the temperature sensor 7, the temperature inside the combined lithium battery 2 can be detected in real time and cooled in time; 3. through the cooperation between the housing 1 and the exhaust device 6, the gas generated by the combined lithium battery 2 can be released in time, and explosion caused by excessive internal gas pressure is prevented.
In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended only to help illustrate the utility model. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and its practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a lithium battery explosion-proof equipment of monitoring and cooling, includes shell (1), its characterized in that: the lithium battery pack is characterized in that a combined lithium battery (2) is fixedly connected to the inside of the shell (1), a heat conductor (3) penetrates through the shell (1) in a bilateral symmetry mode, a heat absorbing sheet (4) is fixedly connected to one side of the heat conductor (3), a cooling device (5) is fixedly connected to the shell (1) in a bilateral symmetry mode, an exhaust device (6) is fixedly connected to the upper surface of the shell (1), and a temperature sensor (7) is fixedly connected to the upper portion of the inside of the shell (1).
2. The lithium battery explosion-proof equipment for monitoring and cooling as claimed in claim 1, wherein the heat absorbing sheets (4) are linearly arranged in a plurality of equal intervals, and the other end of the heat absorbing sheet (4) is closely attached to one side of the combined lithium battery (2).
3. The lithium battery explosion-proof equipment for monitoring and cooling according to claim 1, wherein the cooling device (5) comprises a liquid storage tank (501), the liquid storage tank (501) is fixedly connected to the housing (1), liquid conveying pipes (502) are fixedly connected to two sides of the liquid storage tank (501), and a cooling tank (503) is fixedly connected to the other end of the liquid conveying pipes (502).
4. The lithium battery explosion-proof device for monitoring and cooling as claimed in claim 3, wherein the heat conductor (3) is inside the cooling box (503), and one end of the temperature sensor (7) is tightly attached to the combined lithium battery (2).
5. The lithium battery explosion-proof device for monitoring and cooling according to claim 1, wherein the exhaust device (6) is provided with an extending groove (601), the bottom of the extending groove (601) is provided with ventilating grooves (602) along four corners in a penetrating manner, the bottom surface of the extending groove (601) is fixedly connected with a spring (603), the other end of the spring (603) is fixedly connected with a piston (604), and the upper surface of the piston (604) is overlapped with the upper surface of the housing (1).
6. The lithium battery explosion-proof device for monitoring and cooling as claimed in claim 5, wherein the exhaust device (6) is provided with a plurality of devices along the periphery of the upper surface of the housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122501257.3U CN216213693U (en) | 2021-10-18 | 2021-10-18 | Lithium battery explosion-proof equipment of monitoring and cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122501257.3U CN216213693U (en) | 2021-10-18 | 2021-10-18 | Lithium battery explosion-proof equipment of monitoring and cooling |
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| Publication Number | Publication Date |
|---|---|
| CN216213693U true CN216213693U (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122501257.3U Active CN216213693U (en) | 2021-10-18 | 2021-10-18 | Lithium battery explosion-proof equipment of monitoring and cooling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116895903A (en) * | 2023-09-05 | 2023-10-17 | 深圳市鑫升新能源有限公司 | Lithium battery with pressure relief outside and bulge prevention functions |
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2021
- 2021-10-18 CN CN202122501257.3U patent/CN216213693U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116895903A (en) * | 2023-09-05 | 2023-10-17 | 深圳市鑫升新能源有限公司 | Lithium battery with pressure relief outside and bulge prevention functions |
| CN116895903B (en) * | 2023-09-05 | 2023-11-17 | 深圳市鑫升新能源有限公司 | Lithium battery with pressure relief outside and bulge prevention functions |
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