CN220833910U - Accurate positioning fire extinguishing device for energy storage battery - Google Patents
Accurate positioning fire extinguishing device for energy storage battery Download PDFInfo
- Publication number
- CN220833910U CN220833910U CN202322602343.2U CN202322602343U CN220833910U CN 220833910 U CN220833910 U CN 220833910U CN 202322602343 U CN202322602343 U CN 202322602343U CN 220833910 U CN220833910 U CN 220833910U
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- CN
- China
- Prior art keywords
- fire extinguishing
- extinguishing agent
- compressed gas
- battery
- fire
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- 238000004146 energy storage Methods 0.000 title claims abstract description 23
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 76
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 30
- 239000010959 steel Substances 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000007921 spray Substances 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 238000005507 spraying Methods 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims description 81
- 239000011261 inert gas Substances 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 239000003595 mist Substances 0.000 description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 5
- 229910001416 lithium ion Inorganic materials 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- WVSNNWIIMPNRDB-UHFFFAOYSA-N 1,1,1,3,3,4,4,5,5,6,6,6-dodecafluorohexan-2-one Chemical compound FC(F)(F)C(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F WVSNNWIIMPNRDB-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004927 fusion Effects 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
- 238000000034 method Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses an energy storage battery accurate positioning fire extinguishing device which comprises a fire extinguishing agent main pipeline, a compressed gas main pipeline, a fire extinguishing agent branch pipeline, a compressed gas branch pipeline, a water-gas mixing nozzle and a fire detecting pipe, wherein the fire detecting pipe is connected with the fire extinguishing agent main pipeline; the water-gas mixing spray head is connected with a fire detection pipe, the water-gas mixing spray head is communicated with a fire extinguishing agent branch pipe and a compressed gas branch pipe at corresponding positions, and the fire detection pipe is arranged at the battery; one end of the fire extinguishing agent main pipeline is connected with a fire extinguishing agent steel cylinder, the other end of the fire extinguishing agent main pipeline is provided with a fire extinguishing agent emptying valve, one end of the compressed gas main pipeline is connected with a compressed gas steel cylinder, the other end of the compressed gas main pipeline is connected with a compressed gas emptying valve, a fire extinguishing agent electromagnetic valve is arranged on the fire extinguishing agent steel cylinder, and a compressed gas electromagnetic valve is arranged on the compressed gas steel cylinder. According to the utility model, when the temperature of the battery is too high, the fire detecting tube is heated and broken, compressed gas and water-based fire extinguishing agent are sprayed out until reaching the position of the battery, so that accurate positioning fire extinguishing is realized, the speed is high, the use of water is reduced, the spraying distance is longer, and the surface of the battery can be reached.
Description
Technical Field
The utility model relates to the technical field of energy storage battery fire extinguishing devices, in particular to an energy storage battery accurate positioning fire extinguishing device.
Background
The core of the energy storage power station is a lithium ion battery, and the lithium ion battery has the characteristics of continuous heat release, heat conduction and diffusion when a fire disaster occurs. The traditional fire extinguishing means can not timely take away heat, such as heptafluoropropane and perfluoro hexanone are adopted to extinguish fire, and after open fire is usually extinguished, the lithium ion battery is still continuously releasing heat, so that the lithium ion battery is easy to reburning. Experiments prove that the water is a good lithium ion battery fire extinguishing agent, can take away a large amount of heat, and reduces heat diffusion and conduction. However, in the traditional water fire extinguishing method, water is directly sprayed to a fire extinguishing position, the water consumption is large, the spraying distance is limited, and the fire extinguishing position cannot be reached well; the traditional high-pressure water mist adopts the whole cabinet spraying technology, the fire extinguishing efficiency is poor, and the water mist is difficult to reach the surface of the battery because the battery is in the battery pack and blocked by the packaging material.
Disclosure of utility model
The utility model aims to overcome the defects of the technology and provide the accurate positioning fire extinguishing device for the energy storage battery.
In order to solve the technical problems, the technical scheme provided by the utility model is that the energy storage battery accurate positioning fire extinguishing device comprises: the fire extinguishing agent comprises a fire extinguishing agent main pipeline, a compressed gas main pipeline, a plurality of fire extinguishing agent branch pipelines connected with the fire extinguishing agent main pipeline, a plurality of compressed gas branch pipelines connected with the compressed gas main pipeline, a water-gas mixing nozzle arranged at each battery and a fire exploring pipe arranged in the battery pack; the water spraying end of the water-gas mixing spray head stretches into the battery pack of the battery and is connected with a fire detecting pipe, the water-gas mixing spray head is communicated with a fire extinguishing agent branch pipe and a compressed gas branch pipe at corresponding positions, the fire detecting pipe is attached to a safety valve of the battery from front to back along an adjacent battery pack through a tee joint, a micro end is sealed, and the other path turns at a second-row battery safety valve to extend to the last battery along the second-row battery safety valve, and the micro end is sealed; fire extinguishing agent trunk line one end is connected with fire extinguishing agent steel bottle, the other end is equipped with the fire extinguishing agent blow-down valve, compressed gas trunk line one end is connected with compressed gas steel bottle, the other end is connected with the compressed gas blow-down valve, be equipped with the fire extinguishing agent solenoid valve on the fire extinguishing agent steel bottle, be equipped with the compressed gas solenoid valve on the compressed gas steel bottle, fire extinguishing agent solenoid valve, compressed gas solenoid valve are connected with the BMS system of energy storage battery.
Further, the pressure of the gas sprayed out of the compressed gas steel cylinder is 0.2MPa-2MPa, and the gas is inert gas.
Further, the static action temperature of the fire detecting tube is one of 90-180 ℃.
Further, the fire detection tube is attached to the surface of the battery, so that the fire detection tube is melted by the temperature of the battery.
Further, a fire extinguishing agent pressure gauge is arranged on the fire extinguishing agent steel cylinder.
Further, a compressed gas pressure valve is arranged on the compressed gas steel cylinder.
Compared with the prior art, the utility model has the advantages that: according to the utility model, the fire detecting pipes are arranged at the safety valve of each electric core, the compressed gas and the water-based fire extinguishing agent are used for extinguishing fire, so that when the temperature of the battery is too high, the fire detecting pipes are heated and broken, the compressed gas and the water-based fire extinguishing agent are sprayed out until reaching the position of the battery, the heating battery is quickly cooled, only the fire detecting pipes at the heating position of the battery can be melted, water mist is sprayed at the corresponding position, the accurate positioning fire extinguishing is realized, the use of water is reduced, and the water-gas mixing spray nozzle is adopted, so that the broken position of the fire detecting pipes sprays water mist instead of water flow, the water mist is sent farther, the surface of the battery can be reached, and the effect of quick cooling is further achieved.
Drawings
Fig. 1 is a schematic diagram of a fire extinguishing agent main pipeline, a compressed gas main pipeline, a fire extinguishing agent branch pipeline, a compressed gas branch pipeline and a spray head of the energy storage battery accurate positioning fire extinguishing device, which are arranged at a battery pack.
Fig. 2 is a schematic structural view of a spray head of the fire extinguishing device with accurate positioning of an energy storage battery, which is arranged at a battery pack.
Fig. 3 is a schematic structural view of a fire detecting tube of the energy storage battery accurate positioning fire extinguishing device arranged at a battery pack.
Fig. 4 is a schematic structural view of a fire extinguishing agent cylinder of the energy storage battery accurate positioning fire extinguishing device of the present utility model.
Fig. 5 is a schematic structural view of a compressed gas cylinder of the fire extinguishing device with accurate positioning of an energy storage battery according to the present utility model.
As shown in the figure:
1. Fire extinguishing agent main pipeline, 2, compressed gas main pipeline, 3, fire extinguishing agent branch pipeline, 4, compressed gas branch pipeline, 5, water-gas mixing nozzle, 6, fire detecting pipe, 7, relief valve, 8, fire extinguishing agent steel bottle, 9, fire extinguishing agent relief valve, 10, compressed gas steel bottle, 11, compressed gas relief valve, 12, fire extinguishing agent solenoid valve, 13, compressed gas solenoid valve, 14, fire extinguishing agent manometer, 15, compressed gas pressure valve.
Wherein a is a battery, b connects fire extinguishing agent lateral conduit, c connects compressed gas lateral conduit, d connects fire extinguishing agent steel bottle through the pipeline, e connects compressed gas steel bottle through the pipeline, f is the battery package.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Embodiment 1, with reference to fig. 1-5, an energy storage battery accurate positioning fire extinguishing device comprises a fire extinguishing agent main pipeline 1, a compressed gas main pipeline 2, a plurality of fire extinguishing agent branch pipelines 3 connected with the fire extinguishing agent main pipeline 1, a plurality of compressed gas branch pipelines 4 connected with the compressed gas main pipeline 2, a water-gas mixing nozzle 5 arranged at each battery, and a fire detection pipe 6 arranged in a battery pack; the water spraying end of the water-gas mixing nozzle 5 stretches into the battery pack of the battery and is connected with a fire detecting pipe 6, the water-gas mixing nozzle 5 is communicated with a fire extinguishing agent branch pipe 3 and a compressed gas branch pipe 4 at corresponding positions, the batteries in the battery pack generally adopt double rows of 16 strings, the fire detecting pipe 6 is attached to a safety valve 7 of the battery from front to back along the adjacent battery pack through a tee joint, the micro end is sealed, the other path turns at a second row of battery safety valves 7 and extends to the last battery along the second row of battery safety valves 7, and the micro end is sealed, wherein the fire detecting pipe 6 is not limited to the position of the safety valve 7, and the fusion of the battery by the self temperature is represented only by attaching to the surface of the battery; fire extinguishing agent trunk line 1 one end is connected with fire extinguishing agent steel bottle 8, the other end is equipped with fire extinguishing agent relief valve 9, compressed gas trunk line 2 one end is connected with compressed gas steel bottle 10, the other end is connected with compressed gas relief valve 11, be equipped with fire extinguishing agent solenoid valve 12 on the fire extinguishing agent steel bottle 8, be equipped with compressed gas solenoid valve 13 on the compressed gas steel bottle 10, fire extinguishing agent solenoid valve 12, compressed gas solenoid valve 13 are connected with the BMS system of energy storage battery.
The compressed gas steel cylinder 10 ejects gas with the pressure of 0.2MPa-2MPa, and the gas is inert gas.
The static action temperature of the fire detecting tube 6 is one of 90-180 ℃.
The fire detection tube 6 is attached to the surface of the battery, so that the fire detection tube 6 is melted by the temperature of the battery itself.
The fire extinguishing agent steel cylinder 8 is provided with a fire extinguishing agent pressure gauge 14.
The compressed gas cylinder 10 is provided with a compressed gas pressure valve 15.
During transportation, the manual butterfly valves on the fire extinguishing agent steel cylinder 8 and the compressed gas steel cylinder 10 are closed, and after the manual butterfly valves are installed in a test, the manual butterfly valves are normally opened, and the fire extinguishing agent electromagnetic valve 12 and the compressed gas electromagnetic valve 13 are normally closed after being electrified. The early-stage fire extinguishing agent enters the fire extinguishing agent main pipeline 1 and the fire extinguishing agent branch pipeline 3, when the fire detection pipe 6 is not broken, the fire extinguishing agent discharge valve 9 is used for ensuring that water smoothly enters the system, and after the test is finished, the fire extinguishing agent discharge valve 9 is used for discharging pipeline fire extinguishing agent; the gas enters the compressed gas main pipeline 2 and the compressed gas branch pipeline 4, and is discharged through the compressed gas discharge valve 11 after pressure test.
When the fire extinguishing agent electromagnetic valve 12 and the compressed gas electromagnetic valve 13 are used for receiving BMS temperature signal switch, when the set temperature is reached, the compressed gas electromagnetic valve 13 is opened, the pipeline is filled with compressed gas, the fire detection pipe 6 is broken, after the breaking temperature of the fire detection pipe 6 is reached, the fire extinguishing agent electromagnetic valve 12 receives BMS temperature signal to open the electromagnetic valve and control flow, the water-based fire extinguishing agent is sent to the water-gas mixing spray head 5 through the fire extinguishing agent main pipeline 1 and the fire extinguishing agent branch pipeline 3, and the same gas is also sent to the water-gas mixing spray head 5, so that the fixed-point spray of water mist is realized to extinguish fire and reduce temperature.
In the description of the embodiments of the present utility model, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the product of the present utility model is conventionally put when used, it is merely for convenience of describing the present utility model and simplifying the description, and it does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang" and the like, if any, do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present utility model, "plurality" means at least 2.
In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (6)
1. An energy storage battery accurate positioning extinguishing device, its characterized in that: the fire extinguishing agent comprises a fire extinguishing agent main pipeline (1), a compressed gas main pipeline (2), a plurality of fire extinguishing agent branch pipelines (3) connected with the fire extinguishing agent main pipeline (1), a plurality of compressed gas branch pipelines (4) connected with the compressed gas main pipeline (2), a water-gas mixing spray head (5) arranged at each battery and a fire detection pipe (6) arranged inside a battery pack;
the water spraying end of the water-gas mixing spray head (5) stretches into the battery pack of the battery and is connected with a fire detecting pipe (6), the water-gas mixing spray head (5) is communicated with a fire extinguishing agent branch pipe (3) and a compressed gas branch pipe (4) at corresponding positions, the fire detecting pipe (6) is attached to a safety valve (7) of the battery from front to back along an adjacent battery pack through a tee joint, a micro-end is sealed, and the other path turns at a second-row battery safety valve (7) and extends to the last battery along the second-row battery safety valve (7) in a turning way, and the micro-end is sealed;
Fire extinguishing agent trunk line (1) one end is connected with fire extinguishing agent steel bottle (8), the other end is equipped with fire extinguishing agent relief valve (9), compressed gas trunk line (2) one end is connected with compressed gas steel bottle (10), the other end is connected with compressed gas relief valve (11), be equipped with fire extinguishing agent solenoid valve (12) on fire extinguishing agent steel bottle (8), be equipped with compressed gas solenoid valve (13) on compressed gas steel bottle (10), fire extinguishing agent solenoid valve (12), compressed gas solenoid valve (13) are connected with the BMS system of energy storage battery.
2. The energy storage battery accurate positioning fire extinguishing device according to claim 1, characterized in that: the pressure of the gas sprayed out of the compressed gas steel cylinder (10) is 0.2MPa-2MPa, and the gas is inert gas.
3. The energy storage battery accurate positioning fire extinguishing device according to claim 1, characterized in that: the static action temperature of the fire detecting tube (6) is one of 90-180 ℃.
4. The energy storage battery accurate positioning fire extinguishing device according to claim 1, characterized in that: the fire detection tube (6) is attached to the surface of the battery, so that the fire detection tube (6) is melted by the temperature of the battery.
5. The energy storage battery accurate positioning fire extinguishing device according to claim 1, characterized in that: the fire extinguishing agent steel cylinder (8) is provided with a fire extinguishing agent pressure gauge (14).
6. The energy storage battery accurate positioning fire extinguishing device according to claim 1, characterized in that: the compressed gas steel cylinder (10) is provided with a compressed gas pressure valve (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322602343.2U CN220833910U (en) | 2023-09-25 | 2023-09-25 | Accurate positioning fire extinguishing device for energy storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322602343.2U CN220833910U (en) | 2023-09-25 | 2023-09-25 | Accurate positioning fire extinguishing device for energy storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220833910U true CN220833910U (en) | 2024-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322602343.2U Active CN220833910U (en) | 2023-09-25 | 2023-09-25 | Accurate positioning fire extinguishing device for energy storage battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220833910U (en) |
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2023
- 2023-09-25 CN CN202322602343.2U patent/CN220833910U/en active Active
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