CN217219944U - Combined fire extinguishing system of lithium ion energy storage power station - Google Patents
Combined fire extinguishing system of lithium ion energy storage power station Download PDFInfo
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- CN217219944U CN217219944U CN202220781843.XU CN202220781843U CN217219944U CN 217219944 U CN217219944 U CN 217219944U CN 202220781843 U CN202220781843 U CN 202220781843U CN 217219944 U CN217219944 U CN 217219944U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a combination fire extinguishing systems of lithium ion energy storage power station, including lithium ion energy storage cabin, be provided with controlling means, perfluor hexanone fire extinguishing systems, the gaseous fire extinguishing systems of heptafluoropropane, compound fire detector and battery cabinet in the lithium ion energy storage cabin, be provided with the battery module in the battery cabinet, the pipe connection has high-pressure water mist fire extinguishing systems on the lithium ion energy storage cabin, perfluor hexanone fire extinguishing systems and battery cabinet pipe connection, the gaseous fire extinguishing systems of heptafluoropropane and battery module pipe connection. The utility model discloses a three kinds of modes of putting out a fire make up and use, use compound fire detector simultaneously, can realize the early cooling in the battery module and put out a fire, combustible gas's inertization and get rid of, the energy storage cabin put out a fire and continuously cool down and reduce fire detector configuration quantity etc. reach the purpose that multi-layer protection, fire prevention accuse fire and effective reply postcombustion.
Description
Technical Field
The utility model relates to a combination fire extinguishing systems of lithium ion energy storage power station belongs to lithium ion energy storage power station technical field that puts out a fire.
Background
In the existing fire extinguishing system of the lithium ion energy storage power station, a single fire extinguishing agent such as heptafluoropropane, perfluorohexanone or other gases is adopted for selecting the fire extinguishing agent, so that the storage capacity is limited, continuous temperature reduction and fire extinguishing cannot be realized, and no effective inhibition measure is provided for secondary combustion; on a system protection level, an energy storage cabin level, a battery cabinet level and a battery module level are divided into three levels, the early thermal runaway cannot be accurately found and correspondingly processed by the protection of the first two levels, the early thermal runaway suppression can be realized by arranging spray heads in the battery module by the protection of the battery module level, but a plurality of fire detectors need to be arranged in the module or among the modules, and the maintenance workload of a detector is large; in addition, the fire extinguishing of the current lithium ion energy storage power station is mainly based on putting out a fire, and the elimination consideration of combustible gas generated by battery thermal runaway is insufficient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a combination fire extinguishing systems of lithium ion energy storage power station, the utility model discloses with perfluor hexanone fire detection pipe, heptafluoropropane gas and three kinds of fire extinguishing methods of high-pressure water mist make up and use, use compound fire detector simultaneously, can realize the early cooling in the battery module and put out a fire, combustible gas's inertization and get rid of, the fire extinguishing in energy storage cabin with continuously cool down and reduce fire detector configuration quantity etc. reach the purpose of multilevel protection, fire prevention accuse fire and effectively deal with the postcombustion.
In order to solve the technical problem, the utility model discloses a following technical scheme: a combined fire extinguishing system of a lithium ion energy storage power station comprises a lithium ion energy storage cabin, wherein a control device, a perfluorohexanone fire extinguishing system, a heptafluoropropane gas fire extinguishing system, a composite fire detector and a battery cabinet are arranged in the lithium ion energy storage cabin, a battery module is arranged in the battery cabinet, a pipeline on the lithium ion energy storage cabin is connected with a high-pressure water mist fire extinguishing system, the perfluorohexanone fire extinguishing system is connected with a battery cabinet pipeline, the heptafluoropropane gas fire extinguishing system is connected with the battery cabinet pipeline, the control device is electrically connected with the perfluorohexanone fire extinguishing system, the control device is electrically connected with the heptafluoropropane gas fire extinguishing system, the control device is electrically connected with the high-pressure water mist fire extinguishing system, and the control device is electrically connected with the composite fire detector; the three fire extinguishing modes are combined and applied, and meanwhile, the composite fire detector is used, so that the purposes of multi-level protection, fire prevention and fire control and effective secondary combustion coping can be achieved by realizing early temperature reduction and fire extinguishing in a battery module, inerting and discharging of combustible gas, fire extinguishing and continuous temperature reduction of an energy storage cabin, reduction of the configuration number of the fire detectors and the like, and the composite fire detector in the lithium ion energy storage cabin can also select the installation number according to the capacity of the lithium ion energy storage cabin.
The perfluorinated hexanone fire extinguishing system comprises a perfluorinated hexanone storage device, wherein a fire detection pipe main pipe is connected to the perfluorinated hexanone storage device, the perfluorinated hexanone storage device and the fire detection pipe main pipe are both arranged outside a battery cabinet, a fire detection pipe branch pipe is arranged on the fire detection pipe main pipe, the fire detection pipe branch pipe penetrates through the battery cabinet, and part of the fire detection pipe branch pipe penetrating through the battery cabinet is arranged in a battery module; the perfluorohexanone is a liquid fire extinguishing agent belonging to fluorinated ketones, mainly extinguishes flame by a cooling mechanism, does not leave residues after release, has excellent performances of high-efficiency fire extinguishing, environmental protection, cleanness and the like, does not damage the atmospheric ozone layer, has low global warming potential, adopts perfluorohexanone as a fire extinguishing agent in a perfluorohexanone fire extinguishing system, is connected to a perfluorohexanone storage device through a container valve and a release connector, is fixed above the most probable place of a fire source for fire source detection, is softened and exploded at the highest heating temperature when a fire occurs, reduces the pressure in the fire detecting pipe main pipe and the fire detecting pipe branch pipe, starts a container valve, releases the fire extinguishing agent through the ruptured outlets of the fire detecting pipe main pipe and the fire detecting pipe branch pipe, does not need any power supply, special fire detectors, complex equipment and pipelines, collect and report to the police and put out a fire in an organic whole, take place the thermal runaway and lead to the temperature unusual rising or the initial stage of conflagration at the lithium cell, perfluor hexanone surveys firetube bleeder can in time be heated and burst, rises or the regional fire extinguishing agent that puts into fire to the temperature unusual, implements the cooling and puts out a fire, effectively plays the prevention and the effect of putting out a fire in early conflagration.
According to the combined fire extinguishing system of the lithium ion energy storage power station, the pressure switch is arranged at the tail end of the fire detection pipe branch pipe, the pressure switch is arranged between the outer wall of the battery module and the inner wall of the battery cabinet, and the pressure switch is electrically connected with the control device.
The heptafluoropropane gas fire extinguishing system comprises a heptafluoropropane fire extinguishing device, wherein a heptafluoropropane conveying main pipe is connected to the heptafluoropropane fire extinguishing device, a heptafluoropropane conveying branch pipe is connected to the heptafluoropropane conveying main pipe, an inlet end of the heptafluoropropane conveying branch pipe is connected to the heptafluoropropane conveying main pipe, an outlet end of the heptafluoropropane conveying branch pipe penetrates through a battery cabinet, and a gas nozzle is arranged on a part of pipe sections of the heptafluoropropane conveying branch pipe penetrating through the battery cabinet and is arranged in the battery module; heptafluoropropane is by C (carbon), F (fluorine), three elements of H (hydrogen) are constituteed, a colorless and tasteless, the gaseous extinguishing agent that does not conduct electricity, colorless, tasteless, the nonconducting, no secondary pollution's gas, mainly put out a fire through physics and chemical reaction jointly, when putting out a fire, have clean, low toxicity, electric insulation is good, characteristics that the fire extinguishing efficiency is high, do not have destruction to the ozone layer, leave no vestige and can not constitute harm to protected equipment after putting out a fire, when the conflagration takes place, according to compound fire detector's signal, through control mode such as automation, manual and mechanical emergency operation, open heptafluoropropane extinguishing device, carry out the fire extinguishing to corresponding regional the area of catching a fire.
According to the combined fire extinguishing system of the lithium ion energy storage power station, the heptafluoropropane conveying branch pipe is provided with the electromagnetic valve, the electromagnetic valve is arranged between the heptafluoropropane conveying main pipe and the outer wall of the battery cabinet, and the electromagnetic valve is electrically connected with the control device.
The high-pressure water mist fire extinguishing system comprises a water supply device and a water supply pipeline, wherein the water supply device is connected with the inlet end of the water supply pipeline, the outlet end of the water supply pipeline penetrates through the lithium ion energy storage cabin, a part of pipe section of the water supply pipeline penetrating through the lithium ion energy storage cabin is provided with a water mist spray head, and the water supply pipeline and the water mist spray head are both arranged outside the battery cabinet; the high-pressure water mist fire extinguishing system takes water as a medium, uses a water mist nozzle to spray water at high pressure to generate water mist drops, extinguishes fire through the actions of efficient cooling, suffocation, radiant heat resistance and the like, and has the characteristics of environmental protection, small water consumption, small water damage loss, no harm to human bodies and the like; when a fire disaster happens, according to the signal of the composite fire detector, the fire extinguishing and fire control device is started and sprays water mist to extinguish or control fire through control modes such as automatic, manual and mechanical emergency operation, and the water supply device is installed in a fire pump room.
In the combined fire extinguishing system for the lithium ion energy storage power station, the water supply pipeline is provided with the valve assembly, and the valve assembly is electrically connected with the control device.
In the combined fire extinguishing system of the lithium ion energy storage power station, the top of the lithium ion energy storage cabin is provided with the ventilation device, and the battery cabinet is also internally provided with the composite fire detector; the number of the ventilation devices can be selected according to the capacity of the lithium ion energy storage cabin; the number of the composite fire detectors in the battery cabinet can be selected according to the capacity of the lithium ion energy storage cabin.
According to the combined fire extinguishing system of the lithium ion energy storage power station, the number of the heptafluoropropane delivery branch pipes is the same as that of the battery cabinets, and the number of the gas nozzles is the same as that of the battery modules; the heptafluoropropane conveying branch pipes correspond to the battery cabinets one by one, and the gas nozzles correspond to the battery modules one by one.
In the combined fire extinguishing system of the lithium ion energy storage power station, a plurality of water spray nozzles are arranged; the number of the water mist nozzles can be selected according to the capacity of the lithium ion energy storage cabin.
Compared with the prior art, the utility model discloses an useful part lies in:
1. the utility model adopts the combined application of three fire extinguishing modes, and realizes the protection of three levels, namely battery module level, battery cabinet level and energy storage cabin level;
2. the utility model adopts the perfluoro hexanone fire detection tube fire extinguishing system, which can realize early prevention or suppression of fire at the early thermal runaway or the initial stage of fire of the lithium battery and can reduce the configuration quantity of detectors in the battery cabinet;
3. the utility model adopts the heptafluoropropane gas fire extinguishing system to inertize and remove the combustible gas generated by thermal runaway in the battery module;
4. the utility model adopts the high-pressure water mist fire extinguishing system to cool the whole energy storage cabin and extinguish the fire, and prevent the fire from spreading, and the continuous water supply capacity can effectively deal with the secondary combustion;
5. the utility model adopts a plurality of composite fire detectors to monitor on line, and the control device is electrically connected with the composite fire detectors to realize on-line monitoring;
6. the utility model has strong flexibility, the composite fire detector in the lithium ion energy storage cabin can select the quantity to be installed according to the capacity of the lithium ion energy storage cabin, and the ventilation device can select the quantity to be installed according to the capacity of the lithium ion energy storage cabin; the number of the composite fire detectors in the battery cabinet can be selected according to the size of the battery cabinet; the composite fire detector integrates smoke, temperature, hydrogen, carbon monoxide and electrolyte gas, can realize multiple types of fire detection, and can reduce the number of detectors compared with a single type of fire detector.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view showing the connection relationship between the control device and the perfluorohexanone fire extinguishing system, the heptafluoropropane gas fire extinguishing system and the high-pressure water mist fire extinguishing system.
Reference numerals: the fire-extinguishing system comprises a lithium ion energy storage cabin 1, a control device 2, a 3-perfluorohexanone fire-extinguishing system, a 4-heptafluoropropane gas fire-extinguishing system, a 5-composite fire detector, a 6-battery cabinet, a 7-battery module, an 8-high-pressure water mist fire-extinguishing system, a 9-perfluorohexanone storage device, a 10-fire detection pipe main pipe, an 11-fire detection pipe branch pipe, a 12-pressure switch, a 13-heptafluoropropane fire-extinguishing device, a 14-heptafluoropropane conveying main pipe, a 15-heptafluoropropane conveying branch pipe, a 16-gas nozzle, a 17-electromagnetic valve, an 18-water supply device, a 19-water supply pipeline, a 20-water mist spray head, a 21-valve component and a 22-ventilation device.
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Detailed Description
Embodiment 1 of the utility model: the utility model provides a combination fire extinguishing systems of lithium ion energy storage power station, includes lithium ion energy storage cabin 1, be provided with controlling means 2, perfluor hexanone fire extinguishing systems 3, the gaseous fire extinguishing systems 4 of heptafluoropropane, compound fire detector 5 and battery cabinet 6 in the lithium ion energy storage cabin 1, be provided with battery module 7 in the battery cabinet 6, the pipe connection has high-pressure water mist fire extinguishing systems 8 on the 1 lithium ion energy storage cabin, perfluor hexanone fire extinguishing systems 3 and 6 pipe connection of battery cabinet, the gaseous fire extinguishing systems 4 of heptafluoropropane and 6 pipe connection of battery cabinet, controlling means 2 and the 3 electric connection of perfluor hexanone fire extinguishing systems, controlling means 2 and the gaseous 4 electric connection of heptafluoropropane fire extinguishing systems, controlling means 2 and the 8 electric connection of high-pressure water mist fire extinguishing systems, controlling means 2 and 5 electric connection of compound fire detector.
Embodiment 7 of the utility model: a combined fire extinguishing system of a lithium ion energy storage power station comprises a lithium ion energy storage cabin 1, wherein a control device 2, a perfluorohexanone fire extinguishing system 3, a heptafluoropropane gas fire extinguishing system 4, a composite fire detector 5 and a battery cabinet 6 are arranged in the lithium ion energy storage cabin 1, a battery module 7 is arranged in the battery cabinet 6, a high-pressure water mist fire extinguishing system 8 is connected to the lithium ion energy storage cabin 1 through a pipeline, the perfluorohexanone fire extinguishing system 3 is connected with the battery cabinet 6 through a pipeline, the heptafluoropropane gas fire extinguishing system 4 is connected with the battery cabinet 6 through a pipeline, the control device 2 is electrically connected with the perfluorohexanone fire extinguishing system 3, the control device 2 is electrically connected with the heptafluoropropane gas fire extinguishing system 4, the control device 2 is electrically connected with the high-pressure water mist fire extinguishing system 8, and the control device 2 is electrically connected with the composite fire detector 5; the perfluoro hexanone fire extinguishing system 3 comprises a perfluoro hexanone storage device 9, wherein the perfluoro hexanone storage device 9 is connected with a fire detection tube main pipe 10, the perfluoro hexanone storage device 9 and the fire detection tube main pipe 10 are both arranged outside a battery cabinet 6, a fire detection tube branch pipe 11 is arranged on the fire detection tube main pipe 10, the fire detection tube branch pipe 11 penetrates through the battery cabinet 6, and part of the tube section of the fire detection tube branch pipe 11 penetrating through the battery cabinet 6 is arranged in a battery module 7; the tail end of the fire detection pipe branch pipe 11 is provided with a pressure switch 12, the pressure switch 12 is arranged between the outer wall of the battery module 7 and the inner wall of the battery cabinet 6, and the pressure switch 12 is electrically connected with the control device 2; the heptafluoropropane gas fire extinguishing system 4 comprises a heptafluoropropane fire extinguishing device 13, wherein a heptafluoropropane conveying main pipe 14 is connected to the heptafluoropropane fire extinguishing device 13, a heptafluoropropane conveying branch pipe 15 is connected to the heptafluoropropane conveying main pipe 14, the inlet end of the heptafluoropropane conveying branch pipe 15 is connected to the heptafluoropropane conveying main pipe 14, the outlet end of the heptafluoropropane conveying branch pipe 15 penetrates through the battery cabinet 6, a gas nozzle 16 is arranged on a part of pipe sections of the battery cabinet 6, which penetrate through the heptafluoropropane conveying branch pipe 15, and the gas nozzle 16 is arranged in the battery module 7; the heptafluoropropane conveying branch pipe 15 is provided with an electromagnetic valve 17, the electromagnetic valve 17 is arranged between the heptafluoropropane conveying main pipe 14 and the outer wall of the battery cabinet 6, and the electromagnetic valve 17 is electrically connected with the control device 2; the high-pressure water mist fire extinguishing system 8 comprises a water supply device 18 and a water supply pipeline 19, wherein the water supply device 18 is connected with the inlet end of the water supply pipeline 19, the outlet end of the water supply pipeline 19 penetrates through the lithium ion energy storage cabin 1, a water mist spray head 20 is arranged on a part of a pipe section of the water supply pipeline 19 penetrating through the lithium ion energy storage cabin 1, and the water supply pipeline 19 and the water mist spray head 20 are both arranged outside the battery cabinet 6; the water supply pipeline 19 is provided with a valve assembly 21, and the valve assembly 21 is electrically connected with the control device 2.
Embodiment 8 of the utility model: a combined fire extinguishing system of a lithium ion energy storage power station comprises a lithium ion energy storage cabin 1, wherein a control device 2, a perfluorohexanone fire extinguishing system 3, a heptafluoropropane gas fire extinguishing system 4, a composite fire detector 5 and a battery cabinet 6 are arranged in the lithium ion energy storage cabin 1, a battery module 7 is arranged in the battery cabinet 6, a high-pressure water mist fire extinguishing system 8 is connected to the lithium ion energy storage cabin 1 through a pipeline, the perfluorohexanone fire extinguishing system 3 is connected with the battery cabinet 6 through a pipeline, the heptafluoropropane gas fire extinguishing system 4 is connected with the battery cabinet 6 through a pipeline, the control device 2 is electrically connected with the perfluorohexanone fire extinguishing system 3, the control device 2 is electrically connected with the heptafluoropropane gas fire extinguishing system 4, the control device 2 is electrically connected with the high-pressure water mist fire extinguishing system 8, and the control device 2 is electrically connected with the composite fire detector 5; the perfluoro hexanone fire extinguishing system 3 comprises a perfluoro hexanone storage device 9, wherein the perfluoro hexanone storage device 9 is connected with a fire detection tube main pipe 10, the perfluoro hexanone storage device 9 and the fire detection tube main pipe 10 are both arranged outside a battery cabinet 6, a fire detection tube branch pipe 11 is arranged on the fire detection tube main pipe 10, the fire detection tube branch pipe 11 penetrates through the battery cabinet 6, and part of the tube section of the fire detection tube branch pipe 11 penetrating through the battery cabinet 6 is arranged in a battery module 7; the tail end of the fire detection pipe branch pipe 11 is provided with a pressure switch 12, the pressure switch 12 is arranged between the outer wall of the battery module 7 and the inner wall of the battery cabinet 6, and the pressure switch 12 is electrically connected with the control device 2; the heptafluoropropane gas fire extinguishing system 4 comprises a heptafluoropropane fire extinguishing device 13, wherein a heptafluoropropane conveying main pipe 14 is connected to the heptafluoropropane fire extinguishing device 13, a heptafluoropropane conveying branch pipe 15 is connected to the heptafluoropropane conveying main pipe 14, the inlet end of the heptafluoropropane conveying branch pipe 15 is connected to the heptafluoropropane conveying main pipe 14, the outlet end of the heptafluoropropane conveying branch pipe 15 penetrates through the battery cabinet 6, a gas nozzle 16 is arranged on a part of pipe sections of the battery cabinet 6, which penetrate through the heptafluoropropane conveying branch pipe 15, and the gas nozzle 16 is arranged in the battery module 7; the heptafluoropropane conveying branch pipe 15 is provided with an electromagnetic valve 17, the electromagnetic valve 17 is arranged between the heptafluoropropane conveying main pipe 14 and the outer wall of the battery cabinet 6, and the electromagnetic valve 17 is electrically connected with the control device 2; the high-pressure water mist fire extinguishing system 8 comprises a water supply device 18 and a water supply pipeline 19, the water supply device 18 is connected with the inlet end of the water supply pipeline 19, the outlet end of the water supply pipeline 19 penetrates through the lithium ion energy storage cabin 1, a water mist spray head 20 is arranged on a part of a pipe section of the water supply pipeline 19 penetrating through the lithium ion energy storage cabin 1, and the water supply pipeline 19 and the water mist spray head 20 are both arranged outside the battery cabinet 6; the water supply pipeline 19 is provided with a valve assembly 21, and the valve assembly 21 is electrically connected with the control device 2; the top of the lithium ion energy storage cabin 1 is provided with a ventilation device 22, and a composite fire detector 5 is also arranged in the battery cabinet 6.
Embodiment 9 of the utility model: a combined fire extinguishing system of a lithium ion energy storage power station comprises a lithium ion energy storage cabin 1, wherein a control device 2, a perfluorohexanone fire extinguishing system 3, a heptafluoropropane gas fire extinguishing system 4, a composite fire detector 5 and a battery cabinet 6 are arranged in the lithium ion energy storage cabin 1, a battery module 7 is arranged in the battery cabinet 6, a high-pressure water mist fire extinguishing system 8 is connected to the lithium ion energy storage cabin 1 through a pipeline, the perfluorohexanone fire extinguishing system 3 is connected with the battery cabinet 6 through a pipeline, the heptafluoropropane gas fire extinguishing system 4 is connected with the battery cabinet 6 through a pipeline, the control device 2 is electrically connected with the perfluorohexanone fire extinguishing system 3, the control device 2 is electrically connected with the heptafluoropropane gas fire extinguishing system 4, the control device 2 is electrically connected with the high-pressure water mist fire extinguishing system 8, and the control device 2 is electrically connected with the composite fire detector 5; the perfluoro hexanone fire extinguishing system 3 comprises a perfluoro hexanone storage device 9, wherein the perfluoro hexanone storage device 9 is connected with a fire detection tube main pipe 10, the perfluoro hexanone storage device 9 and the fire detection tube main pipe 10 are both arranged outside a battery cabinet 6, a fire detection tube branch pipe 11 is arranged on the fire detection tube main pipe 10, the fire detection tube branch pipe 11 penetrates through the battery cabinet 6, and part of the tube section of the fire detection tube branch pipe 11 penetrating through the battery cabinet 6 is arranged in a battery module 7; the tail end of the fire detection pipe branch pipe 11 is provided with a pressure switch 12, the pressure switch 12 is arranged between the outer wall of the battery module 7 and the inner wall of the battery cabinet 6, and the pressure switch 12 is electrically connected with the control device 2; the heptafluoropropane gas fire extinguishing system 4 comprises a heptafluoropropane fire extinguishing device 13, wherein a heptafluoropropane conveying main pipe 14 is connected to the heptafluoropropane fire extinguishing device 13, a heptafluoropropane conveying branch pipe 15 is connected to the heptafluoropropane conveying main pipe 14, the inlet end of the heptafluoropropane conveying branch pipe 15 is connected to the heptafluoropropane conveying main pipe 14, the outlet end of the heptafluoropropane conveying branch pipe 15 penetrates through the battery cabinet 6, a gas nozzle 16 is arranged on a part of pipe sections of the battery cabinet 6, which penetrate through the heptafluoropropane conveying branch pipe 15, and the gas nozzle 16 is arranged in the battery module 7; the heptafluoropropane conveying branch pipe 15 is provided with an electromagnetic valve 17, the electromagnetic valve 17 is arranged between the heptafluoropropane conveying main pipe 14 and the outer wall of the battery cabinet 6, and the electromagnetic valve 17 is electrically connected with the control device 2; the high-pressure water mist fire extinguishing system 8 comprises a water supply device 18 and a water supply pipeline 19, the water supply device 18 is connected with the inlet end of the water supply pipeline 19, the outlet end of the water supply pipeline 19 penetrates through the lithium ion energy storage cabin 1, a water mist spray head 20 is arranged on a part of a pipe section of the water supply pipeline 19 penetrating through the lithium ion energy storage cabin 1, and the water supply pipeline 19 and the water mist spray head 20 are both arranged outside the battery cabinet 6; the water supply pipeline 19 is provided with a valve assembly 21, and the valve assembly 21 is electrically connected with the control device 2; a ventilation device 22 is arranged at the top of the lithium ion energy storage cabin 1, and a composite fire detector 5 is also arranged in the battery cabinet 6; the number of the heptafluoropropane delivery branch pipes 15 is the same as that of the battery cabinets 6, and the number of the gas nozzles 16 is the same as that of the battery modules 7.
Embodiment 11 of the utility model: a combined fire extinguishing system of a lithium ion energy storage power station comprises a lithium ion energy storage cabin 1, wherein a control device 2, a perfluorohexanone fire extinguishing system 3, a heptafluoropropane gas fire extinguishing system 4, 2 composite fire detectors 5 and a battery cabinet 6 are arranged in the lithium ion energy storage cabin 1, a battery module 7 is arranged in the battery cabinet 6, a high-pressure water mist fire extinguishing system 8 is connected to a pipeline on the lithium ion energy storage cabin 1, the perfluorohexanone fire extinguishing system 3 is connected with the battery cabinet 6 through a pipeline, the heptafluoropropane gas fire extinguishing system 4 is connected with the battery cabinet 6 through a pipeline, the control device 2 is electrically connected with the perfluorohexanone fire extinguishing system 3, the control device 2 is electrically connected with the heptafluoropropane gas fire extinguishing system 4, the control device 2 is electrically connected with the high-pressure water mist fire extinguishing system 8, and the control device 2 is electrically connected with the composite fire detectors 5; the perfluoro hexanone fire extinguishing system 3 comprises a perfluoro hexanone storage device 9, wherein the perfluoro hexanone storage device 9 is connected with a fire detection tube main pipe 10, the perfluoro hexanone storage device 9 and the fire detection tube main pipe 10 are both arranged outside a battery cabinet 6, a fire detection tube branch pipe 11 is arranged on the fire detection tube main pipe 10, the fire detection tube branch pipe 11 penetrates through the battery cabinet 6, and part of the tube section of the fire detection tube branch pipe 11 penetrating through the battery cabinet 6 is arranged in a battery module 7; the tail end of the fire detection pipe branch pipe 11 is provided with a pressure switch 12, the pressure switch 12 is arranged between the outer wall of the battery module 7 and the inner wall of the battery cabinet 6, and the pressure switch 12 is electrically connected with the control device 2; the heptafluoropropane gas fire extinguishing system 4 comprises a heptafluoropropane fire extinguishing device 13, wherein a heptafluoropropane conveying main pipe 14 is connected to the heptafluoropropane fire extinguishing device 13, a heptafluoropropane conveying branch pipe 15 is connected to the heptafluoropropane conveying main pipe 14, the inlet end of the heptafluoropropane conveying branch pipe 15 is connected to the heptafluoropropane conveying main pipe 14, the outlet end of the heptafluoropropane conveying branch pipe 15 penetrates through the battery cabinet 6, a gas nozzle 16 is arranged on a part of pipe sections of the battery cabinet 6, which penetrate through the heptafluoropropane conveying branch pipe 15, and the gas nozzle 16 is arranged in the battery module 7; the heptafluoropropane conveying branch pipe 15 is provided with an electromagnetic valve 17, the electromagnetic valve 17 is arranged between the heptafluoropropane conveying main pipe 14 and the outer wall of the battery cabinet 6, and the electromagnetic valve 17 is electrically connected with the control device 2; the high-pressure water mist fire extinguishing system 8 comprises a water supply device 18 and a water supply pipeline 19, the water supply device 18 is connected with the inlet end of the water supply pipeline 19, the outlet end of the water supply pipeline 19 penetrates through the lithium ion energy storage cabin 1, a water mist spray head 20 is arranged on a part of a pipe section of the water supply pipeline 19 penetrating through the lithium ion energy storage cabin 1, and the water supply pipeline 19 and the water mist spray head 20 are both arranged outside the battery cabinet 6; the water supply pipeline 19 is provided with a valve assembly 21, and the valve assembly 21 is electrically connected with the control device 2; the top of the lithium ion energy storage cabin 1 is provided with one ventilation device 22, and each battery cabinet 6 is also internally provided with 1 composite fire detector 5; the number of the heptafluoropropane delivery branch pipes 15 is 8 groups as same as that of the battery cabinets 6, and the number of the gas nozzles 16 is 40 groups as same as that of the battery modules 7; the number of the water mist nozzles 20 is 4.
Embodiment 12 of the utility model: a combined fire extinguishing system of a lithium ion energy storage power station comprises a lithium ion energy storage cabin 1, wherein a control device 2, a perfluorohexanone fire extinguishing system 3, a heptafluoropropane gas fire extinguishing system 4, 2 composite fire detectors 5 and a battery cabinet 6 are arranged in the lithium ion energy storage cabin 1, a battery module 7 is arranged in the battery cabinet 6, a high-pressure water mist fire extinguishing system 8 is connected to a pipeline on the lithium ion energy storage cabin 1, the perfluorohexanone fire extinguishing system 3 is connected with the battery cabinet 6 through a pipeline, the heptafluoropropane gas fire extinguishing system 4 is connected with the battery cabinet 6 through a pipeline, the control device 2 is electrically connected with the perfluorohexanone fire extinguishing system 3, the control device 2 is electrically connected with the heptafluoropropane gas fire extinguishing system 4, the control device 2 is electrically connected with the high-pressure water mist fire extinguishing system 8, and the control device 2 is electrically connected with the composite fire detectors 5; the perfluoro hexanone fire extinguishing system 3 comprises a perfluoro hexanone storage device 9, wherein the perfluoro hexanone storage device 9 is connected with a fire detection tube main pipe 10, the perfluoro hexanone storage device 9 and the fire detection tube main pipe 10 are both arranged outside a battery cabinet 6, a fire detection tube branch pipe 11 is arranged on the fire detection tube main pipe 10, the fire detection tube branch pipe 11 penetrates through the battery cabinet 6, and part of the tube section of the fire detection tube branch pipe 11 penetrating through the battery cabinet 6 is arranged in a battery module 7; the tail end of the fire detection pipe branch pipe 11 is provided with a pressure switch 12, the pressure switch 12 is arranged between the outer wall of the battery module 7 and the inner wall of the battery cabinet 6, and the pressure switch 12 is electrically connected with the control device 2; the heptafluoropropane gas fire extinguishing system 4 comprises a heptafluoropropane fire extinguishing device 13, wherein a heptafluoropropane conveying main pipe 14 is connected to the heptafluoropropane fire extinguishing device 13, a heptafluoropropane conveying branch pipe 15 is connected to the heptafluoropropane conveying main pipe 14, the inlet end of the heptafluoropropane conveying branch pipe 15 is connected to the heptafluoropropane conveying main pipe 14, the outlet end of the heptafluoropropane conveying branch pipe 15 penetrates through the battery cabinet 6, a gas nozzle 16 is arranged on a part of pipe sections of the battery cabinet 6, which penetrate through the heptafluoropropane conveying branch pipe 15, and the gas nozzle 16 is arranged in the battery module 7; the heptafluoropropane conveying branch pipe 15 is provided with an electromagnetic valve 17, the electromagnetic valve 17 is arranged between the heptafluoropropane conveying main pipe 14 and the outer wall of the battery cabinet 6, and the electromagnetic valve 17 is electrically connected with the control device 2; the high-pressure water mist fire extinguishing system 8 comprises a water supply device 18 and a water supply pipeline 19, wherein the water supply device 18 is connected with the inlet end of the water supply pipeline 19, the outlet end of the water supply pipeline 19 penetrates through the lithium ion energy storage cabin 1, a water mist spray head 20 is arranged on a part of a pipe section of the water supply pipeline 19 penetrating through the lithium ion energy storage cabin 1, and the water supply pipeline 19 and the water mist spray head 20 are both arranged outside the battery cabinet 6; the water supply pipeline 19 is provided with a valve assembly 21, and the valve assembly 21 is electrically connected with the control device 2; the top of the lithium ion energy storage cabin 1 is provided with two ventilation devices 22, and each battery cabinet 6 is also internally provided with 2 composite fire detectors 5; the number of the heptafluoropropane branch conveying pipes 15 is 12 groups as the same as that of the battery cabinets 6, and the number of the gas nozzles 16 is 72 groups as the same as that of the battery modules 7; the number of the water mist spray heads 20 is 6.
The utility model discloses a theory of operation of embodiment: the utility model discloses the during operation, when the thermal runaway takes place in battery module 7 and leads to the temperature unusual rising or when having the naked light, perfluor hexanone spy firetube is heated and bursts, perfluor hexanone storage device 9 starts, carries the fire extinguishing agent to corresponding battery module 7 in through spy firetube trunk 10 and spy firetube lateral pipe 11, implements the cooling and puts out a fire, and pressure switch 12 on the terminal of spy firetube lateral pipe 11 simultaneously monitors the intraductal pressure and descends, and passes to controlling means 2 with the signal transmission, and controlling means 2 is with signal transmission to fire control main control room, report conflagration emergence position; when the fire extinguishing agent in the perfluorohexanone storage device 9 is released, the pressure sensor on the perfluorohexanone storage device 9 monitors that the pressure in the storage device is reduced to a set value, and transmits a signal to the control device 2, the control device 2 transmits the signal to a fire-fighting main control room, the heptafluoropropane fire extinguishing device 13 is started manually, the electromagnetic valve 17 on the heptafluoropropane conveying branch pipe 15 on the battery cabinet 6 where the faulty battery module 7 is located is opened at the same time, heptafluoropropane gas is released into all the battery modules 7 on the battery cabinet 6 to perform inerting through the heptafluoropropane conveying main pipe 14, the heptafluoropropane conveying branch pipe 15 and the gas nozzle 16, combustible gas in the battery modules 7 is replaced out of the battery cabinet 6 while the oxygen concentration is reduced, and the ventilation device 22 installed on the top of the energy storage cabin is opened at the same time to discharge the combustible gas out of the lithium ion energy storage cabin 1. When only the composite fire detector 5 in the battery cabinet 6 detects that any fire alarm signal exceeds the corresponding alarm threshold value, the control device 2 controls the heptafluoropropane fire extinguishing device 13 to act, simultaneously opens the electromagnetic valve 17 on the heptafluoropropane delivery branch pipe 15 corresponding to the failed battery cabinet 6, the heptafluoropropane gas is released into all the battery modules 7 on the battery cabinet 6 through the heptafluoropropane delivery main pipe 14, the heptafluoropropane delivery branch pipe 15 and the gas nozzle 16 to perform inerting or fire extinguishing, the combustible gas in the battery modules 7 is replaced out of the battery cabinet 6 while the oxygen concentration is reduced, and the control device 2 simultaneously controls the ventilating device arranged on the top of the energy storage cabin to discharge the combustible gas out of the cabin. When the composite fire detector 5 at the top of the energy storage cabin detects two independent fire alarm signals, the control device 2 controls the water supply device 18 and the control valve corresponding to the fault lithium ion energy storage cabin 1 to act, and water mist is sprayed into the lithium ion energy storage cabin 1 through the water supply pipeline 19 and the water mist spray head 20 for cooling and fire extinguishing.
Claims (10)
1. A combined fire extinguishing system of a lithium ion energy storage power station comprises a lithium ion energy storage cabin (1) and is characterized in that a control device (2), a perfluorohexanone fire extinguishing system (3), a heptafluoropropane gas fire extinguishing system (4), a composite fire detector (5) and a battery cabinet (6) are arranged in the lithium ion energy storage cabin (1), a battery module (7) is arranged in the battery cabinet (6), a high-pressure fine water mist fire extinguishing system (8) is connected to a pipeline of the lithium ion energy storage cabin (1), the perfluorohexanone fire extinguishing system (3) is connected to the battery cabinet (6) through a pipeline, the heptafluoropropane gas fire extinguishing system (4) is connected to the battery cabinet (6) through a pipeline, the control device (2) is electrically connected with the perfluorohexanone fire extinguishing system (3), and the control device (2) is electrically connected with the heptafluoropropane gas fire extinguishing system (4), the control device (2) is electrically connected with the high-pressure water mist fire extinguishing system (8), and the control device (2) is electrically connected with the composite fire detector (5).
2. The combined fire extinguishing system of the lithium ion energy storage power station of claim 1, wherein the perfluorohexanone fire extinguishing system (3) comprises a perfluorohexanone storage device (9), a fire detection pipe main pipe (10) is connected to the perfluorohexanone storage device (9), the perfluorohexanone storage device (9) and the fire detection pipe main pipe (10) are both arranged outside the battery cabinet (6), a fire detection pipe branch pipe (11) is arranged on the fire detection pipe main pipe (10), the fire detection pipe branch pipe (11) penetrates through the battery cabinet (6), and a part of the pipe section of the fire detection pipe branch pipe (11) penetrating through the battery cabinet (6) is arranged inside the battery module (7).
3. The combined fire extinguishing system of a lithium ion energy storage power station according to claim 2, characterized in that the fire detecting pipe branch (11) is provided with a pressure switch (12) at the end, the pressure switch (12) is arranged between the outer wall of the battery module (7) and the inner wall of the battery cabinet (6), and the pressure switch (12) is electrically connected with the control device (2).
4. The combined fire extinguishing system of the lithium ion energy storage power station according to claim 1, characterized in that the heptafluoropropane gas fire extinguishing system (4) comprises a heptafluoropropane fire extinguishing device (13), a heptafluoropropane conveying main pipe (14) is connected to the heptafluoropropane fire extinguishing device (13), a heptafluoropropane conveying branch pipe (15) is connected to the heptafluoropropane conveying main pipe (14), the inlet end of the heptafluoropropane conveying branch pipe (15) is connected to the heptafluoropropane conveying main pipe (14), the outlet end of the heptafluoropropane conveying branch pipe (15) penetrates through the battery cabinet (6), a gas nozzle (16) is arranged on a part of pipe sections of the battery cabinet (6) penetrating through the heptafluoropropane conveying branch pipe (15), and the gas nozzle (16) is arranged in the battery module (7).
5. The combined fire extinguishing system of the lithium ion energy storage power station as claimed in claim 4, characterized in that the heptafluoropropane branch delivery pipe (15) is provided with a solenoid valve (17), the solenoid valve (17) is arranged between the heptafluoropropane main delivery pipe (14) and the outer wall of the battery cabinet (6), and the solenoid valve (17) is electrically connected with the control device (2).
6. The combined fire extinguishing system of the lithium ion energy storage power station according to claim 1, characterized in that the high-pressure water mist fire extinguishing system (8) comprises a water supply device (18) and a water supply pipeline (19), the water supply device (18) is connected with an inlet end of the water supply pipeline (19), an outlet end of the water supply pipeline (19) penetrates through the lithium ion energy storage cabin (1), a part of the pipe section of the water supply pipeline (19) penetrating through the lithium ion energy storage cabin (1) is provided with a water mist spray head (20), and the water supply pipeline (19) and the water mist spray head (20) are both arranged outside the battery cabinet (6).
7. Combined fire extinguishing system for a lithium ion energy storage power plant according to claim 6, characterized in that the water supply pipeline (19) is provided with a valve assembly (21), the valve assembly (21) being electrically connected to the control device (2).
8. A combined fire extinguishing system for a lithium ion energy storage power station according to claim 1, characterized in that the top of the lithium ion energy storage compartment (1) is provided with a ventilation device (22), and a composite fire detector (5) is also arranged in the battery cabinet (6).
9. Combined fire extinguishing system of a lithium ion energy storage power station according to claim 4, characterized in that the number of the heptafluoropropane delivery branch pipes (15) is the same as the number of battery cabinets (6) and the number of gas nozzles (16) is the same as the number of battery modules (7).
10. Combined fire extinguishing system of a lithium ion energy storage power plant according to claim 6, characterized in that the water mist head (20) is provided in plurality.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115887976A (en) * | 2022-11-25 | 2023-04-04 | 常州泰伊尔特科技有限公司 | Intelligent fire extinguishing system for safety management of energy storage power station |
| CN115957464A (en) * | 2022-12-21 | 2023-04-14 | 中国矿业大学 | Lithium battery cooling and fire extinguishing system and method for energy storage power station |
| CN117913420A (en) * | 2024-03-19 | 2024-04-19 | 成都宇能通能源开发有限公司 | Car as a house energy storage system |
| CN117977031A (en) * | 2024-01-31 | 2024-05-03 | 中国华能集团清洁能源技术研究院有限公司 | Battery pack, battery compartment and fire-fighting method |
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2022
- 2022-04-06 CN CN202220781843.XU patent/CN217219944U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115887976A (en) * | 2022-11-25 | 2023-04-04 | 常州泰伊尔特科技有限公司 | Intelligent fire extinguishing system for safety management of energy storage power station |
| CN115957464A (en) * | 2022-12-21 | 2023-04-14 | 中国矿业大学 | Lithium battery cooling and fire extinguishing system and method for energy storage power station |
| CN117977031A (en) * | 2024-01-31 | 2024-05-03 | 中国华能集团清洁能源技术研究院有限公司 | Battery pack, battery compartment and fire-fighting method |
| CN117913420A (en) * | 2024-03-19 | 2024-04-19 | 成都宇能通能源开发有限公司 | Car as a house energy storage system |
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