CN218572684U - Battery cabinet fire extinguishing system and battery cabinet suitable for new energy service station - Google Patents
Battery cabinet fire extinguishing system and battery cabinet suitable for new energy service station Download PDFInfo
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- CN218572684U CN218572684U CN202221968250.0U CN202221968250U CN218572684U CN 218572684 U CN218572684 U CN 218572684U CN 202221968250 U CN202221968250 U CN 202221968250U CN 218572684 U CN218572684 U CN 218572684U
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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 relates to a battery cabinet fire extinguishing system and battery cabinet suitable for new energy service station, fire extinguishing system includes fire extinguishing agent storage tank, the circulating pump, fire extinguishing agent collection box and pneumatic trompil device, the leakage fluid dram of fire extinguishing agent storage tank bottom is switched on has the fire extinguishing agent nozzle, the leakage fluid dram department of fire extinguishing agent storage tank bottom is equipped with the fire extinguishing agent valve, fire extinguishing agent storage tank and circulating pump switch-on, the circulating pump is switched on with the fire extinguishing agent collection box, the fire extinguishing agent collection box is furnished with the refrigerator, pneumatic trompil device switch-on high pressurized air source is equipped with the high pressurized air source valve between pneumatic trompil device and the high pressurized air source. The utility model discloses a pneumatic trompil device trompil battery package back, the system is direct to drench the inside cooling of battery package with fire extinguishing agent, and reduction battery package internal temperature that can be faster effectively suppresses the conflagration risk, and the energy consumption is low to fire extinguishing agent can recycle, and the cost of putting out a fire is low, the recovery of the fire extinguishing agent of also being convenient for.
Description
Technical Field
The utility model relates to a battery compartment fire control technical field specifically is a battery cabinet fire extinguishing systems and battery cabinet suitable for new forms of energy service station.
Background
The battery cabinet of the new energy automobile service station is generally constructed by adopting a heavy goods shelf, a new standby battery pack and a battery pack to be repaired are stored separately, and because the lithium batteries in the battery pack have the risk of thermal runaway under the conditions of overcharge, overload and the like, the accidents of the battery cabinet, such as fire and burning, are easy to occur, and the risk of fire hazard is high. The fire hazard characteristics and dangerousness of the lithium battery are mainly shown as follows: (1) if the battery is not cooled continuously after the open fire is extinguished, the temperature of the battery rises again and reburning is carried out because the electrochemical reaction in the battery is still continued; (2) the temperature at which thermal runaway occurs is low, about 140 ℃; (3) the combustion temperature of the battery is high and is higher than 700 ℃ at most, and the battery pack dissipates heat slowly after open fire is extinguished; (4) a large amount of combustible gas is generated in the thermal runaway process, and the explosion risk is caused in a closed space; (5) the larger the capacity (electric quantity) of the battery pack is, the larger the fire risk is, the smaller the storage area space of the battery pack of the service station is, the higher the energy stacking density is, and the fire risk is particularly high. And the battery pack has higher manufacturing cost, and the economic loss and the social influence caused by the fire are large.
At present, some service stations begin to be equipped with to the fire control unit of lithium cell burning on the battery cabinet, mainly detect battery package temperature through temperature-sensitive detector, adopt the mode that battery package surface water sprays to put out a fire, and the battery package is on fire usually because the inside high temperature that produces of battery package is and the burning, the battery package is whole to have certain closure again, water is difficult for entering inside the battery package, consequently, adopt the mode that the water sprays to put out a fire the battery package surface to need long-time continuous cooling battery package that sprays, guarantee that the battery package cools off completely, otherwise the heat can flow back fast, remaining active material still can be lighted, such mode of putting out a fire requires for water pressure and water yield higher, the process of putting out a fire is consuming too long, need dispose extra supercharging device and consume a large amount of water.
SUMMERY OF THE UTILITY MODEL
The utility model provides a battery cabinet fire extinguishing systems and battery cabinet suitable for new forms of energy service station to solve among the prior art technical problem such as energy storage battery cabin fire risk is big, current fire control unit fire control length consuming time, power consumption height.
In order to solve the technical problem, the utility model provides a technical scheme does:
the utility model relates to a be applicable to new forms of energy service station battery cabinet fire extinguishing system, it includes fire extinguishing agent storage tank, the circulating pump, fire extinguishing agent collection box and pneumatic trompil device, the leakage fluid dram of fire extinguishing agent storage tank bottom connects there is the fire extinguishing agent nozzle, the leakage fluid dram department of fire extinguishing agent storage tank bottom is equipped with the fire extinguishing agent valve, fire extinguishing agent storage tank and circulating pump switch-on, the circulating pump is connected with the fire extinguishing agent collection box, the fire extinguishing agent collection box is furnished with the refrigerator, pneumatic trompil device switch-on high pressurized air source is equipped with the high pressurized air source valve between pneumatic trompil device and the high pressurized air source.
Preferably, the fire extinguishing device further comprises a control system, the control system is electrically connected with a temperature-sensitive detector, a fire extinguishing agent spraying valve is arranged on a connecting pipeline at the fire extinguishing agent nozzle, a control valve is arranged on a connecting pipeline at the pneumatic hole opening device, and the fire extinguishing agent spraying valve, the control valve and the high-pressure air source valve are all electrically connected with the control system. Realize the automatic fire extinguishing of the utility model.
Preferably, the fire extinguishing agent recovery box is internally provided with upper and lower liquid level limit detection sensors, the fire extinguishing agent storage box and the upper and lower liquid level limit detection sensors in the fire extinguishing agent recovery box are electrically connected with the control system, and the circulating pump is electrically connected with the control system. The liquid level balance in the automatic control fire extinguishing agent storage tank and the fire extinguishing agent recovery tank is realized.
Preferably, the fire extinguishing agent nozzles are provided with a plurality of fire extinguishing agent nozzles, the fire extinguishing agent nozzles are connected in parallel and then are connected to a fire extinguishing agent storage tank in a gathering mode, a fire extinguishing agent spraying valve is arranged on a branch pipeline where each fire extinguishing agent nozzle is located, and a fire extinguishing agent valve is arranged on a main pipeline after the branch pipelines where the fire extinguishing agent nozzles are located are gathered. The fire-fighting protection can be simultaneously carried out on the plurality of battery cabins, and the fire-fighting structures of the battery cabins are not affected mutually.
Preferably, the pneumatic perforating devices are arranged in a plurality of numbers, the number of the pneumatic perforating devices is the same as that of the fire extinguishing agent nozzles, the pneumatic perforating devices are connected in parallel and then are gathered to form a high-pressure air source main air path, a control valve is arranged on each branch air path where each pneumatic perforating device is located, and a high-pressure air source valve is arranged on each main air path after the branch air paths where the pneumatic perforating devices are located are gathered.
Preferably, the high-pressure gas source is a high-pressure gas tank or a compressor.
Preferably, the device further comprises a three-way valve, wherein an exhaust port of the three-way valve is communicated with the pneumatic tapping device, one air inlet of the three-way valve is communicated with the high-pressure air tank, and the other air inlet of the three-way valve is communicated with the compressor.
Preferably, the fire suppressant in the fire suppressant tank is a water-based fire suppressant.
The utility model discloses still relate to an adopt foretell fire extinguishing systems's battery cabinet, it includes the battery cabinet, and the battery is equipped with a plurality of battery compartment on the cabinet, and the top in battery compartment is equipped with pneumatic trompil device and fire extinguishing agent nozzle, and the bottom switch-on fire extinguishing agent collection box in battery compartment, the inner chamber of fire extinguishing agent storage tank are higher than the battery compartment inner chamber, and the inner chamber of fire extinguishing agent collection box is less than the inner chamber in battery compartment, makes the fire extinguishing agent flow through gravity, reduces the battery cabin internal pressure and also reduces the energy consumption.
Preferably, the bottom of the battery compartment is provided with a diversion trench, a liquid discharge port is arranged at the diversion trench, and the liquid discharge port is communicated with the fire extinguishing agent recovery box.
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
1. the utility model relates to a fire extinguishing system punctures battery package box through pneumatic trompil device, directly drenches fire extinguishing agent into the inside cooling of battery package, and the fire extinguishing agent is full of and flows down from battery package surface promptly after the battery package is inside, from outside cooling battery package, compares the mode that the tradition adopted outside water mist to spray, the utility model discloses can be more quick reduce battery package internal temperature, effectively restrain the conflagration risk.
2. The utility model discloses a fire extinguishing agent storage tank, the fire extinguishing agent collection box that is furnished with the refrigerator and circulating pump have constituteed one set of refrigerated fire extinguishing system that circulates, need not big water yield and big water pressure, also need not additionally to add the fire extinguishing agent, and the process of putting out a fire fast stabilization is safe, and the energy consumption is low to the fire extinguishing agent can recycle, puts out a fire with low costs.
3. The utility model discloses a high-order fire extinguishing agent storage tank gravity is from the flow mode and pours into the fire extinguishing agent into in to the battery module in the battery compartment into, compare with the device of traditional pressurization injection fire extinguishing agent, the utility model discloses well fire extinguishing agent can not splash everywhere, and the recovery of the fire extinguishing agent of being convenient for can also not produce big change to battery under-deck internal pressure, is favorable to the guarantee safety.
Drawings
Fig. 1 is a schematic diagram of a battery cabinet adopting a fire-fighting system applicable to the battery cabinet of a new energy service station.
In the figure: 1. the device comprises a nitrogen high-pressure gas tank, 2, a high-pressure gas source valve, 3, a control system, 4, a fire extinguishing agent storage tank, 5, a control valve, 6, a pneumatic hole opening device, 7, a fire extinguishing agent valve, 8, a temperature-sensitive detector, 9, a fire extinguishing agent spraying valve, 10, a fire extinguishing agent nozzle, 11, a fire extinguishing agent recovery tank, 12, a battery pack, 13, a battery cabinet, 14, a refrigerator 15, a circulating pump, 16 and a battery cabin.
Detailed Description
For further understanding of the present invention, the present invention will be described in detail with reference to the following examples, which are provided for illustration of the present invention but are not intended to limit the scope of the present invention.
Please refer to fig. 1, the utility model relates to a be applicable to new energy service station battery cabinet fire extinguishing system, it includes fire extinguishing agent storage tank 4, circulating pump 15, fire extinguishing agent collection box 11 and pneumatic trompil device 6, the leakage fluid dram intercommunication of fire extinguishing agent storage tank 4 bottom has fire extinguishing agent nozzle 10, the leakage fluid dram department of fire extinguishing agent storage tank 4 bottom is equipped with fire extinguishing agent valve 7, fire extinguishing agent storage tank 4 and the switching-on of circulating pump 15, circulating pump 15 and the switching-on of fire extinguishing agent collection box 11, fire extinguishing agent collection box 11 is furnished with refrigerator 14, pneumatic trompil device 6 switch-on high pressurized air source, be equipped with high pressurized air source valve 2 between pneumatic trompil device and the high pressurized air source. This embodiment still includes control system 3, and the electricity is connected with temperature-sensing detector 8 on control system 3, is equipped with fire extinguishing agent sprinkler valve 9 on the connecting pipeline of fire extinguishing agent nozzle 10 department, is equipped with control valve 5 on the connecting pipeline of pneumatic trompil device 6 department, and fire extinguishing agent sprinkler valve 9, control valve 5 all are connected with control system 3 electricity. All be equipped with the upper and lower limit of liquid level detection sensor in fire extinguishing agent storage tank 4 of this embodiment and the fire extinguishing agent collection box 11, the upper and lower limit of liquid level detection sensor in fire extinguishing agent storage tank 4 and the fire extinguishing agent collection box 11 all is connected with control system 3 electricity, and circulating pump 15 is connected with control system 3 electricity. The utility model provides a pneumatic trompil device can be multiple pneumatic component, if adopt the cylinder to set up the cone at the tip of piston rod of the cylinder, the cylinder just can receive the utility model provides a control messenger's piston rod of system, air valve removes to the battery package to make the cone puncture the battery package, make the fire extinguishing agent flow in the battery package and put out a fire the cooling.
The fire extinguishing agent nozzles 10 in the embodiment are provided with a plurality of fire extinguishing agent nozzles 10, the fire extinguishing agent nozzles 10 are connected in parallel and then are connected to a fire extinguishing agent storage tank 4 in a gathering mode, fire extinguishing agent spraying valves 9 are arranged on branch pipelines where the fire extinguishing agent nozzles 10 are located, and fire extinguishing agent valves 7 are arranged on main pipelines where the branch pipelines where the fire extinguishing agent nozzles 10 are located are gathered. The pneumatic perforating devices 6 are arranged in a plurality of modes, the number of the pneumatic perforating devices 6 is the same as that of the fire extinguishing agent nozzles 10, the pneumatic perforating devices 10 are connected in parallel and then gather to form a high-pressure air source main air path, a control valve 5 is arranged on each branch air path where each pneumatic perforating device is located, a high-pressure air source valve 2 is arranged on each main air path after the branch air paths where the pneumatic perforating devices 6 are located converge, and the high-pressure air source valve 2 is electrically connected with a control system in the embodiment.
The fire suppressant in the fire suppressant tank 4 in this embodiment is a water-based fire suppressant. The high-pressure gas source in this embodiment is a nitrogen high-pressure gas tank 1. In addition, a three-way valve can be adopted, an exhaust port of the three-way valve is communicated with the pneumatic tapping device, one air inlet of the three-way valve is communicated with the high-pressure air tank, and the other air inlet of the three-way valve is communicated with the compressor, so that the high-pressure air generated by the high-pressure air tank or the compressor is used for driving the pneumatic tapping device to tap.
Please refer to fig. 1, to the utility model relates to an installation of fire extinguishing system, install a plurality of pneumatic trompil device 6 and fire extinguishing agent nozzle 10 respectively at the top of each battery cabin 16 in battery cabinet 13 earlier, installation fire extinguishing agent storage tank 4 makes its inner chamber be higher than the inner chamber of arbitrary battery cabin 16, installation fire extinguishing agent collection box 11 makes its inner chamber be less than the inner chamber of arbitrary battery cabin 16, with the parallelly connected back switch-on fire extinguishing agent collection box 11 in the bottom of a plurality of battery cabins 16. The bottom of the battery compartment 16 is provided with a diversion trench, the diversion trench is provided with a liquid outlet, and the liquid outlet is communicated with the fire extinguishing agent recycling box.
When the battery pack 12 is out of control due to heat, the temperature of the battery pack rises rapidly, the temperature-sensitive detector 8 in the battery cabin 16 where the battery pack 12 is located detects a signal to alarm, and the control system 3 opens the fire extinguishing agent spraying valve 9 of the corresponding battery pack; the fire extinguishing agent in the fire extinguishing agent storage tank 4 is sprayed to the battery pack which gives an alarm through the fire extinguishing agent nozzle 10 under the action of gravity; after the fire extinguishing agent spraying 9 valve is opened, the control system 3 opens the high-pressure air source valve 2, after 2 seconds of delay, the control system 3 opens the control valve 5 of the pneumatic tapping device 6 in the battery compartment 16 where the alarm occurs, after the pneumatic tapping device 6 continuously knocks for 5 times, the control system 3 disconnects the high-pressure air source valve 2, and after 2 seconds of delay, the control valve 5 in the battery compartment is disconnected; the pneumatic punching device 6 is covered on the battery pack 12 to punch a plurality of holes, the fire extinguishing agent flows into the battery pack from the holes, the temperature in the battery pack is quickly reduced, and after the battery pack is fully filled with the fire extinguishing agent, the fire extinguishing agent flows down from the surface of the battery pack and is cooled from the outside; the control system 3 detects the liquid level through upper and lower limit detection sensors of the liquid level in the fire extinguishing agent storage tank 4 and the fire extinguishing agent recovery tank 11, when the liquid level of the fire extinguishing agent storage tank 4 is lower than the lower limit or the liquid level of the fire extinguishing agent recovery tank 11 is higher than the upper limit, the control system 3 controls the circulation pump 15 to start, and the fire extinguishing agent is pumped into the fire extinguishing agent storage tank 4 from the fire extinguishing agent recovery tank 11; the refrigerator 14 automatically controls the temperature of the fire extinguishing agent in the fire extinguishing agent recovery box 11 to be 4 ℃, the continuously sprayed fire extinguishing agent takes away heat in the battery pack 12, the temperature in the battery pack is reduced, and battery reburning and explosion are avoided.
The utility model discloses in should select the pipeline of suitable pipe diameter according to the size of battery package inner chamber, reach and to fill whole battery package with the fire extinguishing agent in 10 s.
The present invention has been described in detail with reference to the embodiments, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (8)
1. The utility model provides a battery cabinet fire extinguishing systems suitable for new forms of energy service station which characterized in that: the fire extinguishing agent recovery box is provided with a refrigerator, the pneumatic punching device is communicated with a high-pressure air source, and a high-pressure air source valve is arranged between the pneumatic punching device and the high-pressure air source; the fire extinguishing agent spraying device is characterized by further comprising a control system, wherein the control system is electrically connected with a temperature-sensitive detector, a fire extinguishing agent spraying valve is arranged on a connecting pipeline at a fire extinguishing agent nozzle, a control valve is arranged on a connecting pipeline at a pneumatic tapping device, and the fire extinguishing agent spraying valve, the control valve and the high-pressure air source valve are all electrically connected with the control system; the fire extinguishing agent storage tank and the fire extinguishing agent recovery tank are internally provided with upper and lower liquid level limit detection sensors, the upper and lower liquid level limit detection sensors in the fire extinguishing agent storage tank and the fire extinguishing agent recovery tank are electrically connected with the control system, and the circulating pump is electrically connected with the control system.
2. The battery cabinet fire-fighting system applicable to the new energy service station according to claim 1, wherein: the fire extinguishing agent nozzles are provided with a plurality of fire extinguishing agent nozzles, the fire extinguishing agent nozzles are connected to a fire extinguishing agent storage tank in a gathering mode after being connected in parallel, a fire extinguishing agent spraying valve is arranged on a branch pipeline where each fire extinguishing agent nozzle is located, and a fire extinguishing agent valve is arranged on a main pipeline after the branch pipelines where the fire extinguishing agent nozzles are located converge.
3. The battery cabinet fire-fighting system applicable to the new energy service station as claimed in claim 2, wherein: the pneumatic perforating device is provided with a plurality of pneumatic perforating devices, the number of the pneumatic perforating devices is the same as that of the fire extinguishing agent nozzles, the pneumatic perforating devices are connected in parallel and then gathered to form a high-pressure air source main air path, a control valve is arranged on each branch air path where each pneumatic perforating device is located, and a high-pressure air source valve is arranged on the main air path after the branch air paths where the pneumatic perforating devices are located are gathered.
4. The battery cabinet fire-fighting system applicable to the new energy service station according to claim 1, wherein: the high-pressure air source is a high-pressure air tank or a compressor.
5. The battery cabinet fire-fighting system applicable to the new energy service station according to claim 1, wherein: the pneumatic tapping device is characterized by further comprising a three-way valve, an exhaust port of the three-way valve is communicated with the pneumatic tapping device, one air inlet of the three-way valve is communicated with the high-pressure air tank, and the other air inlet of the three-way valve is communicated with the compressor.
6. The battery cabinet fire-fighting system applicable to the new energy service station according to claim 1, wherein: the fire extinguishing agent in the fire extinguishing agent storage tank is a water-based fire extinguishing agent.
7. A battery cabinet using the fire extinguishing system according to claim 1, characterized in that: the fire extinguishing agent recovery box comprises a battery cabinet, wherein a plurality of battery cabins are arranged on the battery cabinet, a pneumatic hole opening device and a fire extinguishing agent nozzle are arranged at the top of the battery cabin, the bottom of the battery cabin is communicated with the fire extinguishing agent recovery box, the inner cavity of the fire extinguishing agent storage box is higher than the inner cavity of the battery cabin, and the inner cavity of the fire extinguishing agent recovery box is lower than the inner cavity of the battery cabin.
8. The battery cabinet of claim 7, wherein: the bottom of the battery compartment is provided with a diversion trench, a liquid outlet is arranged at the diversion trench, and the liquid outlet is communicated with the fire extinguishing agent recovery box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221968250.0U CN218572684U (en) | 2022-07-28 | 2022-07-28 | Battery cabinet fire extinguishing system and battery cabinet suitable for new energy service station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221968250.0U CN218572684U (en) | 2022-07-28 | 2022-07-28 | Battery cabinet fire extinguishing system and battery cabinet suitable for new energy service station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218572684U true CN218572684U (en) | 2023-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221968250.0U Active CN218572684U (en) | 2022-07-28 | 2022-07-28 | Battery cabinet fire extinguishing system and battery cabinet suitable for new energy service station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218572684U (en) |
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2022
- 2022-07-28 CN CN202221968250.0U patent/CN218572684U/en active Active
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