CN220456507U - Liquid cooling fire control integration lithium cell system - Google Patents
Liquid cooling fire control integration lithium cell system Download PDFInfo
- Publication number
- CN220456507U CN220456507U CN202322086220.8U CN202322086220U CN220456507U CN 220456507 U CN220456507 U CN 220456507U CN 202322086220 U CN202322086220 U CN 202322086220U CN 220456507 U CN220456507 U CN 220456507U
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- liquid
- communicated
- liquid cooling
- fire control
- fire
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- 239000007788 liquid Substances 0.000 title claims abstract description 275
- 238000001816 cooling Methods 0.000 title claims abstract description 106
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 24
- 230000010354 integration Effects 0.000 title description 2
- 239000000110 cooling liquid Substances 0.000 claims abstract description 43
- 239000007921 spray Substances 0.000 claims abstract description 20
- 230000001502 supplementing effect Effects 0.000 claims description 24
- 239000000779 smoke Substances 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004146 energy storage Methods 0.000 description 10
- 239000012530 fluid Substances 0.000 description 10
- 239000003795 chemical substances by application Substances 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002637 fluid replacement therapy Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- QQZOPKMRPOGIEB-UHFFFAOYSA-N 2-Oxohexane Chemical class CCCCC(C)=O QQZOPKMRPOGIEB-UHFFFAOYSA-N 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- UKACHOXRXFQJFN-UHFFFAOYSA-N heptafluoropropane Chemical compound FC(F)C(F)(F)C(F)(F)F UKACHOXRXFQJFN-UHFFFAOYSA-N 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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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- Secondary Cells (AREA)
Abstract
The utility model discloses a liquid cooling fire-fighting integrated lithium battery system, which comprises a battery cabinet, a plurality of battery packs and a liquid cooling circulation mechanism, wherein the battery packs are arranged on the battery cabinet; each battery pack comprises a liquid cooling plate, a cover plate, a plurality of electric cores, a fire control valve and a fire control spray head; the liquid cooling circulation mechanism comprises a liquid cooling machine, wherein a liquid supply port of the liquid cooling machine is communicated with each liquid inlet, and a liquid return port of the liquid cooling machine is communicated with each liquid outlet. The technical scheme provided by the utility model has the beneficial effects that: the fire control port communicated with the cooling channel is formed in the liquid cooling plate of the existing battery pack, the fire control valve and the fire control spray head are connected to the fire control port, and when the battery Bao Re is out of control, the fire control valve is opened, so that cooling liquid can be directly sprayed into the battery pack, a fire control pipeline is not required to be independently arranged, the space utilization rate of the inside of the battery system can be improved, and the production and assembly cost of the battery can be reduced.
Description
Technical Field
The utility model relates to the technical field of energy storage batteries, in particular to a liquid cooling and fire fighting integrated lithium battery system.
Background
At present, the energy storage battery system adopts a liquid cooling battery pack, the protection level of the battery pack is IP67, and when thermal runaway occurs in the battery pack, the battery pack needs to be extinguished and cooled, and the battery is controlled to generate thermal diffusion. Therefore, a fire-fighting pipeline is required to be arranged, fire-fighting agents are conveyed into the battery pack through the pipeline, and 1, 2 and 3-level pipelines are generally required to be adopted to be gradually split into the single battery pack. The extinguishing agent usually adopts heptafluoropropane and perfluorinated hexanone, and the unit price is expensive. Water fire protection is commonly used as the last fire protection means.
The liquid cooling system also adopts 1, 2 and 3-level pipelines to gradually convey cooling liquid into the liquid cooling plates of each battery pack, and the cooling liquid is usually glycol water solution.
Two sets of pipelines with similar forms and functions are required to be designed for conveying the fire extinguishing agent and the cooling liquid into the battery pack, so that the energy storage system is complex in design and high in cost, and two liquid cooling mediums are required to be adopted.
Disclosure of Invention
In view of the foregoing, it is necessary to provide a liquid cooling and fire fighting integrated lithium battery system for solving the technical problems that the design of an energy storage system is complex and the cost is high due to the separate design of liquid cooling and fire fighting of the existing energy storage battery system, and the production cost is high due to the fact that two liquid cooling mediums are needed.
In order to achieve the above purpose, the utility model provides a liquid cooling fire-fighting integrated lithium battery system, which comprises a battery cabinet, a plurality of battery packs and a liquid cooling circulation mechanism;
each battery pack is fixedly arranged in the battery cabinet, each battery pack comprises a liquid cooling plate, a cover plate, a plurality of electric cores, a fire control valve and a fire control spray head, a liquid cooling channel is formed in the liquid cooling plate, a liquid inlet, a liquid outlet and a fire control port which are communicated with the liquid cooling channel are formed in the liquid cooling plate, the cover plate is covered on the liquid cooling plate to form a containing cavity, each electric core is fixed on the liquid cooling plate and is positioned in the containing cavity, one end of the fire control valve is communicated with the fire control port, the other end of the fire control valve is communicated with the fire control spray head, and the fire control spray head is arranged in the containing cavity;
the liquid cooling circulation mechanism comprises a liquid cooling machine, wherein a liquid supply port of the liquid cooling machine is communicated with each liquid inlet, and a liquid return port of the liquid cooling machine is communicated with each liquid outlet.
In some embodiments, the liquid cooling machine comprises a liquid cooling machine shell, a buffer box, a heater, a refrigerator, a temperature detection part, a liquid inlet pipe, a circulating pump and a liquid outlet pipe, wherein the buffer box is fixed in the liquid cooling machine shell, cooling liquid is filled in the buffer box, the cooling liquid adopts low-conductivity liquid, the heater, the refrigerator and the temperature detection part are all arranged in the buffer box, one end of the liquid inlet pipe is communicated with the buffer box, the other end of the liquid inlet pipe is communicated with a liquid return port of the liquid cooling machine, an inlet of the circulating pump is communicated with the buffer box, an outlet of the circulating pump is communicated with one end of the liquid outlet pipe, and the other end of the liquid outlet pipe is communicated with a liquid supply port of the liquid cooling machine.
In some embodiments, the liquid cooling machine further comprises a liquid supplementing pipe, one end of the liquid supplementing pipe is communicated with the buffer tank, the liquid cooling circulation mechanism further comprises a liquid supplementing tank and a liquid supplementing pump, cooling liquid is filled in the liquid supplementing tank, an inlet of the liquid supplementing pump is communicated with the liquid supplementing tank, and an outlet of the liquid supplementing pump is communicated with the other end of the liquid supplementing pipe.
In some embodiments, a level sensing member is disposed within each battery pack.
In some embodiments, the liquid cooling circulation mechanism further comprises a primary liquid supply pipeline, one end of the primary liquid supply pipeline is communicated with the liquid supply port of the liquid cooling machine, the other end of the primary liquid supply pipeline is communicated with a plurality of secondary liquid supply pipelines, each secondary liquid supply pipeline is connected with a plurality of tertiary liquid supply pipelines, and each tertiary liquid supply pipeline is communicated with the liquid inlet of the corresponding battery pack.
In some embodiments, the liquid cooling circulation mechanism further comprises a primary liquid return pipeline, one end of the primary liquid return pipeline is communicated with the liquid return port of the liquid cooling machine, the other end of the primary liquid return pipeline is communicated with a plurality of secondary liquid return pipelines, each secondary liquid return pipeline is connected with a plurality of tertiary liquid return pipelines, and each tertiary liquid return pipeline is communicated with the liquid outlet of the corresponding battery pack.
In some embodiments, a gas-permeable explosion-proof valve is disposed on the cover plate.
In some embodiments, the liquid-cooled fire-fighting integrated lithium battery system further comprises a container, and the battery cabinet and the liquid cooler are both installed in the container.
In some embodiments, a smoke sensor is disposed within each of the battery packs.
In some embodiments, the liquid-cooled fire-fighting integrated lithium battery system further comprises a fire control cabinet and a fire control controller, wherein the fire control controller is installed in the fire control cabinet and is electrically connected with each smoke sensor and each fire control valve.
Compared with the prior art, the technical scheme provided by the utility model has the beneficial effects that: when the fire control valve is in normal operation, at the moment, the liquid cooler inputs cooling liquid into the liquid inlets of the battery packs, then discharges the cooling liquid from the liquid outlets of the battery packs, and finally returns to the liquid return port of the liquid cooler to realize circulation of the cooling liquid, thereby achieving the purpose of controlling the temperature of the battery cells in the battery packs; when thermal runaway occurs in an electric core in a certain battery pack, and when the temperature and pressure threshold value detected by a temperature and pressure monitoring piece in the battery pack continuously rises to reach a fire-fighting starting threshold value, a fire-fighting control valve in the corresponding battery pack is opened, and cooling liquid is sprayed into the battery pack through the fire-fighting control valve and a fire-fighting spray head, so that the cooling liquid is continuously input into the battery pack with thermal runaway, and the battery pack is subjected to fire extinguishing and cooling. According to the utility model, the fire-fighting port communicated with the cooling channel is formed on the liquid cooling plate of the existing battery pack, and the fire-fighting control valve and the fire-fighting spray head are connected to the fire-fighting port, so that the fire-fighting control valve is opened when the battery Bao Re is out of control, and the cooling liquid can be directly sprayed into the battery pack without independently arranging a fire-fighting pipeline, thereby improving the space utilization rate in the battery system and reducing the production and assembly cost of the battery.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a liquid-cooled fire-fighting integrated lithium battery system provided by the present utility model;
fig. 2 is a schematic perspective view of one of the battery packs of fig. 1 (with a partial cover plate omitted);
FIG. 3 is a schematic perspective view of FIG. 2 at another view angle;
FIG. 4 is a side view of one of the battery packs of FIG. 1;
FIG. 5 is a schematic perspective view of the liquid cooling plate in FIG. 2;
FIG. 6 is a schematic view of the liquid cooling plate in FIG. 5;
FIG. 7 is a schematic diagram of the liquid cooler of FIG. 1;
in the figure: the intelligent fire control system comprises a 1-battery cabinet, a 2-battery pack, a 21-liquid cooling plate, a 211-liquid inlet, a 212-liquid outlet, a 213-fire-fighting port, a 22-cover plate, a 23-battery core, a 24-fire control valve, a 25-fire-fighting nozzle, a 26-ventilation explosion-proof valve, a 27-smoke sensor, a 3-liquid cooling circulation mechanism, a 31-liquid cooling machine, a 311-liquid cooling machine shell, a 312-buffer tank, a 313-heater, a 314-refrigerator, a 315-temperature detection piece, a 316-liquid inlet pipe, a 317-circulation pump, a 318-liquid outlet pipe, a 319-liquid supplementing pipe, a 32-liquid supplementing tank, a 33-primary liquid supplying pipe, a 34-secondary liquid supplying pipe, a 35-tertiary liquid supplying pipe, a 36-primary liquid return pipe, a 37-secondary liquid return pipe, a 38-tertiary liquid return pipe, a 4-container and a 5-fire control cabinet.
Detailed Description
Preferred embodiments of the present utility model will now be described in detail with reference to the accompanying drawings, which form a part hereof, and together with the description serve to explain the principles of the utility model, and are not intended to limit the scope of the utility model.
Referring to fig. 1-6, the utility model provides a liquid cooling fire-fighting integrated lithium battery system, which comprises a battery cabinet 1, a plurality of battery packs 2 and a liquid cooling circulation mechanism 3;
each battery pack 2 is fixedly mounted in the battery cabinet 1, each battery pack 2 comprises a liquid cooling plate 21, a cover plate 22, a plurality of electric cores 23, a fire control valve 24 and a fire control spray head 25, a liquid cooling channel is formed in the liquid cooling plate 21, a liquid inlet 211, a liquid outlet 212 and a fire control port 213 which are communicated with the liquid cooling channel are formed in the liquid cooling plate 21, the cover plate 22 is covered on the liquid cooling plate 21 to form a containing cavity, each electric core 23 is fixed on the liquid cooling plate 21 and is positioned in the containing cavity, one end of the fire control valve 23 is communicated with the fire control port 213, the other end of the fire control valve 23 is communicated with the fire control spray head 24, and the fire control spray head 24 is arranged in the containing cavity;
the liquid cooling circulation mechanism 3 comprises a liquid cooling machine 31, a liquid supply port of the liquid cooling machine 31 is communicated with each liquid inlet 211, and a liquid return port of the liquid cooling machine 31 is communicated with each liquid outlet 212.
During normal operation, the fire control valve 23 is closed, at this time, the liquid cooler 31 inputs cooling liquid into the liquid inlets 211 of the battery packs 2, and then discharges the cooling liquid from the liquid outlets 212 of the battery packs 2, and finally returns to the liquid return port of the liquid cooler 31 to realize circulation of the cooling liquid, thereby achieving the purpose of controlling the temperature of the battery cells 23 in the battery packs 2; when thermal runaway occurs in the battery core 23 in a certain battery pack 2, and when the temperature and pressure threshold value detected by the temperature and pressure monitoring piece in the battery pack 2 continuously rises to reach the fire-fighting starting threshold value, the fire-fighting control valve 23 in the corresponding battery pack 2 is opened, and cooling liquid is sprayed into the battery pack 2 through the fire-fighting control valve 23 and the fire-fighting spray head 24, so that the cooling liquid is continuously input into the battery pack 2 with thermal runaway, and the fire is extinguished and cooled. According to the utility model, the fire-fighting port 213 communicated with the cooling channel is formed on the liquid cooling plate 21 of the existing battery pack, and the fire-fighting control valve 23 and the fire-fighting spray head 24 are connected to the fire-fighting port 213, so that the fire-fighting control valve 23 is opened when the battery pack 2 is in thermal runaway, and the cooling liquid can be directly sprayed into the battery pack 2, so that a fire-fighting pipeline is not required to be independently arranged, the space utilization rate in a battery system can be improved, the design complexity of an energy storage system is reduced, and the production and assembly cost of the battery is reduced.
In order to specifically realize the function of the liquid cooler 31, please refer to fig. 1 and 7, in a preferred embodiment, the liquid cooler 31 includes a liquid cooler housing 311, a buffer tank 312, a heater 313, a refrigerator 314, a temperature detecting member 315, a liquid inlet pipe 316, a circulating pump 317 and a liquid outlet pipe 318, the buffer tank 312 is fixed in the liquid cooler housing 311, a cooling liquid is filled in the buffer tank 312, and the cooling liquid adopts a low-conductivity liquid, so that a short circuit is avoided after spraying, the heater 313, the refrigerator 314 and the temperature detecting member 315 are all arranged in the buffer tank 312, one end of the liquid inlet pipe 316 is communicated with the buffer tank 312, the other end of the liquid inlet pipe 316 is communicated with a liquid return port of the liquid cooler 31, an inlet of the circulating pump 317 is communicated with the buffer tank 312, an outlet of the circulating pump 317 is communicated with one end of the liquid outlet pipe 318, and the other end of the liquid outlet pipe 318 is communicated with a liquid supply port of the liquid cooler 31, and when the cooling liquid is used, the cooling liquid is cooled by the heater 313, the temperature detecting member 315 and the temperature detecting member is matched with the liquid return port of the liquid cooler 31, so that the temperature of the cooling liquid is controlled to be more than the electric core temperature when the electric core is cooled, and the electric core temperature is controlled to be more than the electric temperature when the electric core temperature is stable.
In order to facilitate the fluid replenishment of the buffer tank 312, referring to fig. 1 and 7, in a preferred embodiment, the liquid cooling machine 31 further includes a fluid replenishment pipe 319, one end of the fluid replenishment pipe 319 is communicated with the buffer tank 312, the liquid cooling circulation mechanism 3 further includes a fluid replenishment tank 32 and a fluid replenishment pump, the fluid replenishment tank 32 is used for filling cooling fluid, an inlet of the fluid replenishment pump is communicated with the fluid replenishment tank 32, and an outlet of the fluid replenishment pump is communicated with the other end of the fluid replenishment pipe 319. When the fire control valve 23 is opened, the liquid supplementing pump is also synchronously opened, so that the liquid supplementing pump is convenient to continuously feed the cooling liquid in the liquid supplementing tank 32 into the liquid cooler 31 and then spray the cooling liquid from the fire control spray head 24, and the cooling liquid can be ensured to completely submerge the battery cell in the battery pack. In this embodiment, the capacity of the fluid replacement tank 32 is sufficient for complete submersion of at least two battery packs.
In order to control the amount of the cooling liquid sprayed from the fire-fighting nozzle 24, referring to fig. 1 and 7, in a preferred embodiment, a liquid level sensing member is disposed in each battery pack 2, when the fire-fighting control valve 23 is opened, the cooling liquid is sprayed into the battery pack 2, the liquid level sensing member can detect the height of the cooling liquid, and when the height of the cooling liquid reaches a certain value, the cooling liquid can submerge each battery cell, and at this time, the circulation pump 317 and the fluid replacement pump stop running.
In order to specifically realize the communication between the liquid inlet of the liquid cooler 31 and each of the liquid inlets 211, referring to fig. 1, in a preferred embodiment, the liquid cooling circulation mechanism 3 further includes a primary liquid supply pipe 33, one end of the primary liquid supply pipe 33 is communicated with the liquid inlet of the liquid cooler 31, the other end of the primary liquid supply pipe 33 is communicated with a plurality of secondary liquid supply pipes 34, each secondary liquid supply pipe 34 is connected with a plurality of tertiary liquid supply pipes 35, and each tertiary liquid supply pipe 35 is communicated with the liquid inlet 211 of the corresponding battery pack 2.
In order to specifically realize the communication between the liquid return port of the liquid cooler 31 and each of the liquid outlets 212, referring to fig. 1, in a preferred embodiment, the liquid cooling circulation mechanism 3 further includes a primary liquid return pipe 36, one end of the primary liquid return pipe 36 is communicated with the liquid return port of the liquid cooler 31, the other end of the primary liquid return pipe 36 is communicated with a plurality of secondary liquid return pipes 37, each secondary liquid return pipe 37 is connected with a plurality of tertiary liquid return pipes 38, and each tertiary liquid return pipe 38 is communicated with the liquid outlet 212 of the corresponding battery pack 2.
In order to prevent the battery pack 2 from exploding, referring to fig. 4, in a preferred embodiment, a vent explosion-proof valve 26 is provided on the cover 22. When a large amount of gas is released from the battery cell in the battery pack in a thermal runaway way, the gas can be discharged through the ventilation explosion-proof valve 26, so that the explosion of the battery pack is prevented.
In order to facilitate the installation of the lithium battery system, referring to fig. 1, in a preferred embodiment, the liquid cooling fire-fighting integrated lithium battery system further includes a container 4, and the battery cabinet 1 and the liquid cooling machine 31 are both installed in the container 4.
In order to monitor whether fire occurs in each battery pack 2, referring to fig. 1-3, in a preferred embodiment, a smoke sensor 27 is disposed in each battery pack 2, and when the smoke sensor 27 detects smoke, a fire control valve 24 in the corresponding battery pack 2 is opened, so that cooling liquid is sprayed from a fire spray nozzle 25 into the battery pack 2 to extinguish fire.
In order to conveniently receive the detection data of each smoke sensor 27 and control whether the fire control valve 24 is opened according to the detection data, referring to fig. 1-3, in a preferred embodiment, the liquid-cooled fire-fighting integrated lithium battery system further comprises a fire control cabinet 5 and a fire control controller, wherein the fire control controller is installed in the fire control cabinet 5, and the fire control controller is electrically connected with each smoke sensor 27 and each fire control valve 24.
In order to better understand the present utility model, the following details are provided for the working process of the liquid-cooled fire-fighting integrated lithium battery system provided by the present utility model in conjunction with fig. 1 to 7: during normal operation, the fire control valve 23 is closed, at this time, the liquid cooler 31 inputs cooling liquid into the liquid inlets 211 of the battery packs 2, and then discharges the cooling liquid from the liquid outlets 212 of the battery packs 2, and finally returns to the liquid return port of the liquid cooler 31 to realize circulation of the cooling liquid, thereby achieving the purpose of controlling the temperature of the battery cells 23 in the battery packs 2;
when the electric core 23 in a certain battery pack 2 is out of control, the smoke sensor 27 in the battery pack 2 can detect the temperature, smoke and combustible gas concentration in the battery pack 2 in real time, when the detected threshold reaches the first threshold, the fire control controller can send an alarm signal to the energy storage system manager to prompt the existence of fire risks, and meanwhile, the outside of the container carries out audible and visual alarm, at the moment, the energy storage system manager can disconnect the main loop of the system, so that the battery is in an open circuit state (the energy storage system manager and the audible and visual alarm are all in the prior art). When the threshold value detected by the smoke sensor 27 in the battery pack 2 is continuously increased to reach the fire-fighting starting threshold value, the fire-fighting controller gives an instruction, the fire-fighting control valve 24 in the corresponding battery pack 2 is opened, the cooling liquid is sprayed into the battery pack 2 through the fire-fighting control valve 24 and the fire-fighting spray head 25, and meanwhile, the circulating pump 317 and the liquid supplementing pump are started to continuously pump the cooling liquid into the battery pack 2 with thermal runaway, and the battery pack 2 is subjected to fire extinguishing and cooling, so that the cooling liquid completely submerges the battery pack.
According to the utility model, the fire-fighting port 213 communicated with the cooling channel is formed on the liquid cooling plate 21 of the existing battery pack, and the fire-fighting control valve 23 and the fire-fighting spray head 24 are connected to the fire-fighting port 213, so that the fire-fighting control valve 23 is opened when the battery pack 2 is in thermal runaway, and the cooling liquid can be directly sprayed into the battery pack 2, so that a fire-fighting pipeline is not required to be independently arranged, the space utilization rate in a battery system can be improved, the design complexity of an energy storage system is reduced, and the production and assembly cost of the battery is reduced.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. The liquid cooling and fire fighting integrated lithium battery system is characterized by comprising a battery cabinet, a plurality of battery packs and a liquid cooling circulation mechanism;
each battery pack is fixedly arranged in the battery cabinet, each battery pack comprises a liquid cooling plate, a cover plate, a plurality of electric cores, a fire control valve and a fire control spray head, a liquid cooling channel is formed in the liquid cooling plate, a liquid inlet, a liquid outlet and a fire control port which are communicated with the liquid cooling channel are formed in the liquid cooling plate, the cover plate is covered on the liquid cooling plate to form a containing cavity, each electric core is fixed on the liquid cooling plate and is positioned in the containing cavity, one end of the fire control valve is communicated with the fire control port, the other end of the fire control valve is communicated with the fire control spray head, and the fire control spray head is arranged in the containing cavity;
the liquid cooling circulation mechanism comprises a liquid cooling machine, wherein a liquid supply port of the liquid cooling machine is communicated with each liquid inlet, and a liquid return port of the liquid cooling machine is communicated with each liquid outlet.
2. The liquid cooling and fire fighting integrated lithium battery system according to claim 1, wherein the liquid cooling machine comprises a liquid cooling machine shell, a buffer box, a heater, a refrigerator, a temperature detection part, a liquid inlet pipe, a circulating pump and a liquid outlet pipe, the buffer box is fixed in the liquid cooling machine shell, cooling liquid is filled in the buffer box, the cooling liquid adopts low-conductivity liquid, the heater, the refrigerator and the temperature detection part are all arranged in the buffer box, one end of the liquid inlet pipe is communicated with the buffer box, the other end of the liquid inlet pipe is communicated with a liquid return port of the liquid cooling machine, an inlet of the circulating pump is communicated with the buffer box, an outlet of the circulating pump is communicated with one end of the liquid outlet pipe, and the other end of the liquid outlet pipe is communicated with a liquid supply port of the liquid cooling machine.
3. The liquid cooling and fire fighting integrated lithium battery system according to claim 2, wherein the liquid cooling machine further comprises a liquid supplementing pipe, one end of the liquid supplementing pipe is communicated with the buffer tank, the liquid cooling circulation mechanism further comprises a liquid supplementing tank and a liquid supplementing pump, cooling liquid is filled into the liquid supplementing tank, an inlet of the liquid supplementing pump is communicated with the liquid supplementing tank, and an outlet of the liquid supplementing pump is communicated with the other end of the liquid supplementing pipe.
4. The liquid-cooled fire-fighting integrated lithium battery system of claim 3, wherein each battery pack is provided with a liquid level sensing member therein.
5. The liquid cooling and fire fighting integrated lithium battery system according to claim 1, wherein the liquid cooling circulation mechanism further comprises a primary liquid supply pipeline, one end of the primary liquid supply pipeline is communicated with the liquid supply port of the liquid cooling machine, the other end of the primary liquid supply pipeline is communicated with a plurality of secondary liquid supply pipelines, each secondary liquid supply pipeline is connected with a plurality of tertiary liquid supply pipelines, and each tertiary liquid supply pipeline is communicated with the liquid inlet of the corresponding battery pack.
6. The liquid cooling and fire fighting integrated lithium battery system according to claim 1, wherein the liquid cooling circulation mechanism further comprises a primary liquid return pipeline, one end of the primary liquid return pipeline is communicated with a liquid return port of the liquid cooling machine, the other end of the primary liquid return pipeline is communicated with a plurality of secondary liquid return pipelines, each secondary liquid return pipeline is connected with a plurality of tertiary liquid return pipelines, and each tertiary liquid return pipeline is communicated with a liquid outlet of a corresponding battery pack.
7. The liquid cooling fire fighting integrated lithium battery system of claim 1, wherein a ventilation explosion-proof valve is arranged on the cover plate.
8. The liquid-cooled fire-fighting integrated lithium battery system of claim 1, further comprising a container, wherein the battery cabinet and the liquid cooler are both mounted in the container.
9. The liquid-cooled fire-fighting integrated lithium battery system of claim 1, wherein each of the battery packs is provided with a smoke sensor therein.
10. The liquid cooling fire control integrated lithium battery system according to claim 9, further comprising a fire control cabinet and a fire control controller, wherein the fire control controller is installed in the fire control cabinet, and the fire control controller is electrically connected with each smoke sensor and each fire control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322086220.8U CN220456507U (en) | 2023-08-02 | 2023-08-02 | Liquid cooling fire control integration lithium cell system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322086220.8U CN220456507U (en) | 2023-08-02 | 2023-08-02 | Liquid cooling fire control integration lithium cell system |
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| Publication Number | Publication Date |
|---|---|
| CN220456507U true CN220456507U (en) | 2024-02-06 |
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| CN202322086220.8U Active CN220456507U (en) | 2023-08-02 | 2023-08-02 | Liquid cooling fire control integration lithium cell system |
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- 2023-08-02 CN CN202322086220.8U patent/CN220456507U/en active Active
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