CN211357525U - Quick response's perfluor hexanone extinguishing device - Google Patents
Quick response's perfluor hexanone extinguishing device Download PDFInfo
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- CN211357525U CN211357525U CN201921506915.4U CN201921506915U CN211357525U CN 211357525 U CN211357525 U CN 211357525U CN 201921506915 U CN201921506915 U CN 201921506915U CN 211357525 U CN211357525 U CN 211357525U
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- 230000004044 response Effects 0.000 title claims abstract description 24
- QQZOPKMRPOGIEB-UHFFFAOYSA-N 2-Oxohexane Chemical compound CCCCC(C)=O QQZOPKMRPOGIEB-UHFFFAOYSA-N 0.000 title abstract description 8
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 238000004146 energy storage Methods 0.000 claims abstract description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 40
- 238000005507 spraying Methods 0.000 claims description 25
- 230000009471 action Effects 0.000 claims description 17
- 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 claims description 16
- 238000009826 distribution Methods 0.000 claims description 16
- 230000001105 regulatory effect Effects 0.000 claims description 15
- 230000001276 controlling effect Effects 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 4
- 238000000889 atomisation Methods 0.000 claims description 2
- 238000004364 calculation method Methods 0.000 claims description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 20
- 229910052744 lithium Inorganic materials 0.000 abstract description 20
- 238000000034 method Methods 0.000 abstract description 6
- 238000012545 processing Methods 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 9
- 238000003825 pressing Methods 0.000 description 8
- 238000007789 sealing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002349 favourable effect 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
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses a quick response's perfluor hexanone extinguishing device, locate conflagration early warning system in the energy storage container, connect Battery Management System (BMS) on conflagration early warning system, connect extinguishing device on conflagration early warning system, connect the fire detector on conflagration early warning system, locate the battery module of conflagration detector below including the energy storage container, fire detector installs on the container inner wall. Compared with the prior method, the method can realize the local total flooding cooperative protection and solve the problem that the fire extinguishing agent in the pack enters slowly; the automatic starting can be realized for many times, and the problem of after-burning after the fire extinguishing of the lithium battery is solved; by adopting the early warning control system, the BMS signal acquisition and processing are additionally arranged while the original fire detection signal acquisition is kept, the fire pre-tightening capability is improved, and the fire early warning response speed is increased.
Description
Technical Field
The utility model relates to a lithium cell technical field that puts out a fire especially relates to a quick response's perfluor hexanone extinguishing device.
Background
With the advantages of large energy density, high output power, long charging and discharging service life and the like, lithium batteries are widely applied to the fields of traffic power, electric power energy storage, mobile communication and the like, and are developed to become a part of new energy strategic industries in China. However, with the deep application of lithium batteries in engineering, the fire safety problem is increasingly prominent, and since lithium batteries are energetic substances, especially when the lithium batteries are overheated, short-circuited, extruded and the like, a large amount of heat is generated to initiate chain reaction of internal electrode materials and electrolyte, so that thermal runaway occurs and large-scale fire and explosion accidents are developed.
At present, to lithium battery energy storage system's fire control safety design, lack the characteristic to the lithium battery conflagration to carry out the analysis, lack the overall arrangement characteristic of fire extinguishing systems design and energy storage system and combine together, mostly still adopted traditional electric fire to design, adopt cabinet type gas extinguishing device and direct type to visit firetube extinguishing device. Through engineering application investigation and fire extinguishing test analysis, the existing device is found to have the following obvious defects: the cabinet type fire extinguishing device is basically arranged at the door opening corner of the container on site, and seriously exceeds the protection radius of the cabinet type fire extinguishing device aiming at the long and narrow occasion of energy storage of the lithium battery container, so that a protection dead angle exists, and the sprayed gas fire extinguishing agent is not easy to reach the inside of a pack box in time during fire extinguishing, thereby being not beneficial to controlling fire at the first time; aiming at lithium battery fire, the traditional heptafluoropropane fire extinguishing agent and dry powder fire extinguishing agent can extinguish open fire, but have no great effect on temperature reduction and re-combustion inhibition; direct type fire detection tube extinguishing device, through experimental test discovery many times, it can reach the fire extinguishing agent concentration of putting out a fire fast in local minizone, the fire extinguishing effect is good, but because of the arrangement of its release pipe, the influence of pipe diameter etc. can not be fine carry out the omnidirectional protection to whole energy storage cabinet, and fire detection tube often needs the conflagration just can appear the breach when lasting 3 ~ 5 seconds, response speed is slower, but the lithium cell conflagration spreads fastly, very easily cause the large tracts of land conflagration, therefore be unfavorable for whole fire protection.
The utility model discloses an thinking lies in combining the characteristic of novel clean fire extinguishing agent perfluor hexanone (FK-5-1-12) to lithium cell energy storage system fire hazard characteristic, develops a perfluor hexanone extinguishing device that can quick response put out a fire of lithium cell many times, puts out a urgent need for lithium cell fire extinguishing technology field.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a quick response's perfluor hexanone extinguishing device, effective optimization promotes the flexibility ratio of automatic and active intervention control adjustment to the emergent scheme of putting out a fire of lithium cell conflagration, promotes to put out a fire and detection efficiency, quality.
The following technical scheme is provided for solving the problem: the utility model provides a quick response's perfluor hexanone extinguishing device, locates fire early warning system, Battery Management System (BMS) of connection on fire early warning system, the extinguishing device of connection on fire early warning system, the fire detector of connection on fire early warning system, locate the battery module of fire detector below in the energy storage container, fire detector installs on the container inner wall.
As an improvement, the fire extinguishing device comprises a fire extinguishing agent bottle group, a siphon arranged in the bottle group, a perfluorohexanone fire extinguishing agent arranged in the bottle group, a driving gas arranged in the bottle group, a container valve arranged on a port of the bottle group, a leak detection device arranged on one side of the container valve, a battery driving device arranged on the upper side of the container valve, a distribution valve arranged on the other side of the container valve, a balance pipe connected to the lower side of the distribution valve, a one-way valve connected to the balance pipe, a fire detection pipe connected with the other end of the one-way valve, a local spraying pipeline connected to the distribution valve, an atomizing nozzle arranged at the tail end of the spraying pipeline, a fully submerged spraying pipeline connected to the distribution valve, and a second nozzle arranged at the tail end of the fully submerged spraying pipeline.
As an improvement, the fully submerged discharge pipeline is provided with an electromagnetic valve for controlling the opening and closing of the fully submerged discharge pipeline, and the local discharge pipeline is provided with an electromagnetic valve for controlling the opening and closing of the local discharge pipeline.
As an improvement, the fire extinguishing device container valve is internally provided with a valve core, a return spring arranged at the lower part in the valve core, a pressure regulating spring arranged at the upper part in the valve core, a pressure regulating piston arranged in the valve core and a valve core arranged on the port of the pressure regulating piston, and a cavity A, B, C, E, F is sequentially arranged from the siphon tube to the lower end of the battery driving device.
When the electromagnetic driving device jacks up the valve core, the pressure regulating piston is opened under the action of the pressure regulating spring, the valve core can be started, when the electromagnetic driving device resets, the valve core can automatically reset, when the set pressure is reached in the cavity E, the pressure regulating piston plugs the channel between the cavity B and the cavity C under the action of the pressure, the valve core closes the container valve again under the action of the reset spring, the whole process can realize the start and stop of the fire extinguishing device by controlling the electromagnetic driving device, and the secondary starting is convenient.
When the device works, the fire early warning system collects temperature signals in a Battery Management System (BMS) in real time, when the temperature signals reach the out-of-control condition of a battery module, the early warning system sends a starting instruction, the electromagnetic valve and the electromagnetic driving device are opened, the electromagnetic valve is closed, at the moment, a valve core on the container valve is separated from a sealing surface under the action of the electromagnetic driving device, gas in a cavity B flows through a cavity C and a cavity E for pressure relief, the valve core is separated from the sealing surface under the action of pressure difference of a cavity A, B, a perfluorohexanone fire extinguishing agent A1 flows from the cavity A to a cavity D under the action of driving gas A2 and is sprayed into the battery module from a local spraying pipeline and an atomizing nozzle on a distribution valve, and quick point-to-point fire extinguishing is realized; when fire detector detects the conflagration signal, early warning control system control solenoid valve is opened, and fire extinguishing agent is spouted to the container in from the total flooding blowout pipeline, protects comprehensively, and when the conflagration early warning system was out of control, this extinguishing device can be through the emergent start of visit firetube temperature sensing or manual mechanical emergency start simultaneously.
As an improvement, the fire detecting tube can realize temperature sensing emergency starting or manual mechanical emergency starting.
The temperature sensing emergency starting is that the fire detection pipe is a hose which can have a break when reaching a set temperature, one end of the hose is arranged along the periphery of the module, the tail end of the hose is provided with a mechanical emergency starting device and a second leakage detection device, the other end of the hose is provided with a one-way valve and is connected with a balance pipe, when the fire detection pipe leads a fire early warning control system and detects a specified temperature, the break can occur, gas in the cavity E, C is decompressed from the break through the balance pipe and the fire detection pipe, and therefore the original balance state of the valve core and the starting device are broken.
As an improvement, the mechanical emergency starting device comprises a manual emergency pressing cap, a pressing rod is connected below the pressing cap, a puncture needle for puncturing a diaphragm is arranged below the pressing rod, the safety distance between the puncture needle and the diaphragm is limited through a safety pin, the puncture action is conducted through cap splicing and guiding, the pre-tightening plate is provided with an inner hexagonal structure and a groove, the rotation of a tool and the positioning of a spring are facilitated, the buffer sheet and the diaphragm are tightened through threads to form sealing, and meanwhile the diaphragm is prevented from being damaged by the rotation of the pre-tightening plate. When the membrane is punctured manually, the puncture needle enables the channel C1 to be communicated with the channel C2 under the action of the second return spring, the pressure in the fire detecting tube is released, and therefore the fire extinguishing device is started.
As an improvement, the second leakage detection device on the mechanical emergency starting device has a signal output function, and when the air pressure in the fire detection tube is reduced to a set value, a signal can be transmitted to the early warning control system, so that the operation of the whole set of fire extinguishing facility is controlled conveniently.
As an improvement, the check valve is arranged between the balance pipe and the fire detecting pipe, when the fire detecting pipe is decompressed, gas in the balance pipe can be supplemented to the fire detecting pipe in time, the fire extinguishing device can be started conveniently by discharging the gas in the fire detecting pipe, the gas in the fire detecting pipe cannot reversely enter the gas in the balance pipe, when the container valve is started by adopting the electromagnetic driving device, the pressure in the balance cavity of the container valve can be quickly discharged, and the electric control starting response speed of the fire extinguishing device is improved.
As an improvement, the atomizing nozzle comprises an adjustable throttle orifice plate arranged on the upper portion of the atomizing nozzle, a cavity G arranged on the lower side of the throttle orifice plate, a transverse opening spray hole G1 arranged on the lower portion of the cavity G, and a longitudinal opening spray hole G2 arranged on the lower portion of the cavity G, wherein G2 is arranged on the lower side of G1, a horn-shaped outer reaming hole is formed in an outer port of G1, and a direction-adjustable inclined plane stop block is arranged below an opening of G2. Can calculate the definite size according to the engineering through the orifice plate, control fire extinguishing agent flow, in the fire extinguishing agent that spouts in the pipeline reachs cavity G, spout by orifice G1 and orifice G2, orifice G1 is equipped with the reaming at the surface outward, is favorable to fire extinguishing agent along flaring angle diffusion, carries out the protection of bigger tracts of land, and shown orifice G2 below is equipped with the inclined plane, and the fire extinguishing agent is followed orifice G2 blowout back, and partial direct striking inclined plane, through striking atomizing along the inclined plane angle diffusion, partial fire extinguishing agent is direct vertical and down, under the protection.
As an improvement, the electromagnetic valve is normally open. When the early warning control system of being convenient for became invalid, when extinguishing device adopted mechanical emergency start or temperature sensing emergency start, the fire extinguishing agent can be followed the distribution valve flow direction and flooded the pipeline entirely, realized lithium cell container energy storage system overall protection.
The early warning control system can collect signals such as temperature, fire detectors, pressure signal feedback devices and the like in the BMS system, sends out corresponding starting instructions according to fire control requirements, and controls the continuous spraying time, secondary spraying and automatic closing of the fire extinguishing agent bottle group.
The utility model discloses create and realize: firstly, the fire extinguishing device is started by electric control, the fire extinguishing agent is sprayed quickly and locally point to point, and the response speed and the fire extinguishing capability of the fire extinguishing device are improved; secondly, the fire extinguishing device is automatically started for multiple times, so that the fire can be restrained for a long time according to the fire characteristic of the re-ignition of the lithium battery; designing an atomizing nozzle, wherein the structure of the nozzle can be designed according to the physical characteristics of the perfluorohexanone, so that the effects of fire extinguishing and local cooling are realized; and fourthly, controlling the totally-submerged large-range fire, and implementing a fire extinguishing system for totally-submerged protection when the battery fire spreads to other energy storage cabinet areas, so that the fire extinguishing system is very important for promoting the large-scale application of the market and has profound significance.
The technical scheme that this patent adopted, its beneficial effect lies in: compared with the prior method, the method can realize the local total flooding cooperative protection and solve the problem that the fire extinguishing agent in the pack enters slowly; the automatic starting can be realized for many times, and the problem of after-burning after the fire extinguishing of the lithium battery is solved; the fire detector and the fire detecting tube are protected in an emergency detection and cooperative mode; mechanical emergency starting is added on the traditional fire extinguishing device, so that personnel can start a fire extinguishing system through emergency operation when finding a fire; the matched atomizing nozzle is additionally provided with a reaming hole in the horizontal direction, and the bottom is provided with an inclined plane for impact, so that the atomizing effect can be improved, and a larger range can be protected; by adopting the early warning control system, the BMS signal acquisition and processing are additionally arranged while the original fire detection signal acquisition is kept, the fire pre-tightening capability is improved, and the fire early warning response speed is increased.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the fire suppression apparatus of FIG. 1;
FIG. 3 is a schematic view of a portion of the fire suppression apparatus of FIG. 2;
FIG. 4 is a schematic view of the mechanical emergency actuation device of the fire suppression apparatus of FIG. 2;
fig. 5 is a schematic view of the atomizing nozzle structure of the fire extinguishing apparatus of fig. 2.
Detailed Description
As shown in fig. 1 to 5, a fast response perfluorohexanone fire extinguishing apparatus, includes a fire early warning system 5 disposed in an energy storage container 1, a Battery Management System (BMS)6 connected to the fire early warning system, a fire extinguishing apparatus 4 connected to the fire early warning system, a fire detector 3 connected to the fire early warning system, and a battery module disposed below the fire detector, wherein the fire detector 3 is installed on the inner wall of the container 1.
The fire extinguishing apparatus 4 includes a fire extinguishing agent bottle group 41, a siphon 42 arranged in the bottle group, a perfluorohexanone fire extinguishing agent A1 arranged in the bottle group, a driving gas A2 arranged in the bottle group, a container valve 43 arranged on the port of the bottle group, a leak detection device 44 arranged on one side of the container valve, a battery driving device 45 arranged on the upper side of the container valve, a distribution valve 47 arranged on the other side of the container valve, a balance pipe 48 connected to the lower side of the distribution valve, a check valve 49 connected to the balance pipe, a fire detection pipe 51 connected to the other end of the check valve, a local discharge pipeline 52 connected to the distribution valve, an atomizing nozzle 53 arranged at the tail end of the discharge pipeline, a total flooding discharge pipeline 56 connected to the distribution valve, and a second nozzle 58 arranged at the tail end of the total flooding discharge pipeline 56.
In this embodiment, the total flooding discharge line 56 is provided with a solenoid valve 46 for controlling the opening and closing of the total flooding discharge line, and the local discharge line 52 is provided with a solenoid valve 50 for controlling the opening and closing of the local discharge line.
In this embodiment, the fire extinguisher container valve 43 is provided with a valve body 431, a return spring 433 provided at a lower portion in the valve body, a pressure regulating spring 434 provided at an upper portion in the valve body, a pressure regulating piston 435 provided in the valve body, and a valve body 436 provided at a port of the pressure regulating piston 435, and a cavity A, B, C, E, F is provided in this order from the siphon tube 42 up to a lower end of the battery driving unit 45.
When the electromagnetic driving device 45 jacks up the valve core 436, under the action of the pressure regulating spring 434, the pressure regulating piston 435 is opened, the valve core 431 can be started, when the electromagnetic driving device 45 resets, the valve core 436 can automatically reset, when the pressure in the cavity E is set, the pressure regulating piston 435 blocks the channels of the cavity B and the cavity C under the action of the pressure, the valve core 431 closes the container valve 43 again under the action of the reset spring 433, the whole process can realize the start and stop of the fire extinguishing device by controlling the electromagnetic driving device 45, and the secondary starting is convenient.
When the device works, the fire early warning system 5 collects temperature signals in a Battery Management System (BMS)6 in real time, when the temperature signals reach the condition that a battery module 2 is out of control, the early warning system 5 sends a starting instruction, the electromagnetic valve 50 and the electromagnetic driving device 45 are opened, the electromagnetic valve 46 is closed, the valve core 436 on the container valve 43 is separated from a sealing surface under the action of the electromagnetic driving device 45, gas in the cavity B flows through the cavity C and the cavity E for pressure relief, the valve core 431 is separated from the sealing surface under the action of pressure difference of the cavity A, B, a perfluorohexanone fire extinguishing agent A1 flows from the cavity A to the cavity D under the action of driving gas A2 and is sprayed into the battery module 2 from a local spraying pipeline 52 and an atomizing nozzle 53 on the distribution valve 47, and quick point-to-point fire extinguishing is realized; when the fire detector 3 detects a fire signal, the early warning control system 5 controls the electromagnetic valve 46 to be opened, the fire extinguishing agent is sprayed into the container 1 from the total-flooding spraying pipeline 56 for comprehensive protection, and meanwhile, when the fire early warning system is out of control, the fire extinguishing device can be started through the fire detecting pipe 51 for temperature sensing emergency or manual mechanical emergency.
The temperature sensing emergency start means that the fire detecting pipe 51 is a hose which can generate a break 511 when reaching a set temperature, one end of the fire detecting pipe is arranged along the periphery of the module 2, the tail end of the fire detecting pipe is provided with a mechanical emergency starting device 54 and a second leakage detection device 55, the other end of the fire detecting pipe is provided with a one-way valve 50 and is connected with the balance pipe 48, when the fire detecting pipe 51 leads the fire early warning control system to detect a specified temperature, the break 511 can be generated, and gas in the cavity E, C is decompressed from the break through the balance pipe 48 and the fire detecting pipe 51, so that the original balance state of the valve core 431 is broken, and the starting device is broken.
The mechanical emergency starting device 54 comprises a manual emergency pressing cap 544, wherein a pressing rod 542 is connected below the pressing cap 544, a puncture needle 545 for puncturing a diaphragm 549 is arranged below the pressing rod 542, the safety distance between the puncture needle 545 and the diaphragm 549 is limited through a safety pin 543, and the puncture action is guided through a split cap 541, the pre-tightening plate 547 is provided with an inner hexagonal structure and a groove, so that the tool can be conveniently rotated and positioned through a spring, the buffer plate 548 is tightened through threads to form sealing with the diaphragm 549, and the diaphragm 549 is prevented from being damaged by the rotation of the pre-tightening plate 547. When the membrane is manually punctured, the puncture needle enables the channel C1 to be communicated with the channel C2 under the action of the second return spring 546, the pressure in the fire detecting tube is released, and therefore the fire extinguishing device is started.
In this embodiment, the second leak detection device 51 of the mechanical emergency starting device has a signal output function, and when the air pressure in the fire detection pipe 53 is reduced to a set value, a signal can be transmitted to the early warning control system 5, so as to control the operation of the whole set of fire extinguishing facility.
In this embodiment, the check valve 50 is disposed between the balance pipe 44 and the fire detecting pipe 53, when the fire detecting pipe 53 is depressurized, the gas in the balance pipe 44 can be timely supplemented to the fire detecting pipe, so that the fire extinguishing apparatus can be started by discharging the gas in the fire detecting pipe 53, the gas in the fire detecting pipe 53 cannot reversely enter the gas in the balance pipe 44, so that when the container valve 43 is started by the electromagnetic driving device 45, the pressure in the balance cavity of the container valve can be rapidly discharged, and the electrically controlled starting response speed of the fire extinguishing apparatus is increased.
In this embodiment, the atomizing nozzle 53 includes an adjustable orifice 531 disposed at an upper portion of the atomizing nozzle, a cavity G disposed at a lower side of the orifice, a transverse opening nozzle hole G1 disposed at a lower portion of the cavity G, and a longitudinal opening nozzle hole G2 disposed at a lower portion of the cavity G, the G2 is disposed at a lower side of the G1, the G1 has a flared outer counterbore, and a direction-adjustable slope stopper is disposed below the G2 opening. The size can be determined through the throttling orifice plate 531 according to engineering calculation, the flow of the fire extinguishing agent is controlled, the fire extinguishing agent in a spraying pipeline reaches the cavity G and is sprayed out through the spray holes G1 and the spray holes G2, the spray holes G1 are provided with counterbores on the outer surface, the fire extinguishing agent can be favorably diffused along the flaring angle, larger-area protection is performed, an inclined plane is arranged below the spray holes G2, after the fire extinguishing agent is sprayed out from the spray holes G2, part of the fire extinguishing agent directly impacts the inclined plane and is diffused along the inclined plane angle through impact atomization, and part of the fire extinguishing agent is directly vertical and downward to protect the.
In this embodiment, the solenoid valve 46 is normally open. When the early warning control system of being convenient for became invalid, when extinguishing device adopted mechanical emergency start or temperature sensing emergency start, the fire extinguishing agent can be followed the distribution valve flow direction and flooded the pipeline entirely, realized lithium cell container energy storage system overall protection.
The early warning control system 5 can collect signals such as temperature, fire detector 3 and pressure signal feedback device in the BMS 6, sends out corresponding starting instruction according to the fire control demand, and controls the continuous spraying time, secondary spraying and automatic closing of the fire extinguishing agent bottle group.
The utility model discloses create and realize: firstly, the fire extinguishing device is started by electric control, the fire extinguishing agent is sprayed quickly and locally point to point, and the response speed and the fire extinguishing capability of the fire extinguishing device are improved; secondly, the fire extinguishing device is automatically started for multiple times, so that the fire can be restrained for a long time according to the fire characteristic of the re-ignition of the lithium battery; designing an atomizing nozzle, wherein the structure of the nozzle can be designed according to the physical characteristics of the perfluorohexanone, so that the effects of fire extinguishing and local cooling are realized; and fourthly, controlling the totally-submerged large-range fire, and implementing a fire extinguishing system for totally-submerged protection when the battery fire spreads to other energy storage cabinet areas, so that the fire extinguishing system is very important for promoting the large-scale application of the market and has profound significance.
In addition to the preferred embodiments described above, other embodiments of the present invention can be devised by those skilled in the art, and various changes and modifications can be made without departing from the spirit of the present invention.
Claims (8)
1. A perfluorohexanone extinguishing device with quick response is characterized in that: locate conflagration early warning system (5) in the energy storage container, connect Battery Management System (BMS) (6) on conflagration early warning system, connect extinguishing device (4) on conflagration early warning system, connect conflagration detector (3) on conflagration early warning system, locate the battery module of conflagration detector below including energy storage container (1), fire detector (3) are installed on container (1) inner wall.
2. A fast-response perfluorohexanone fire-extinguishing apparatus according to claim 1, wherein: the fire extinguishing device (4) comprises a fire extinguishing agent bottle group (41), a siphon (42) arranged in the bottle group, a perfluorohexanone fire extinguishing agent (A1) arranged in the bottle group, a driving gas (A2) arranged in the bottle group, a container valve (43) arranged on a port of the bottle group, a leak detection device (44) arranged on one side of the container valve, an electromagnetic driving device (45) arranged on the upper side of the container valve, a distribution valve (47) arranged on the other side of the container valve, a balance pipe (48) connected to the lower side of the distribution valve, a check valve (49) connected to the balance pipe, a fire detection pipe (51) connected with the other end of the check valve, a local spraying pipeline (52) connected to the distribution valve, an atomizing nozzle (53) arranged at the tail end of the spraying pipeline, a full-flooding spraying pipeline (56) connected to the distribution valve, and a second nozzle (58) arranged at.
3. A fast-response perfluorohexanone fire-extinguishing apparatus according to claim 2, wherein: the full-submerged spraying pipeline (56) is provided with an electromagnetic valve (46) for controlling the opening and closing of the full-submerged spraying pipeline, and the local spraying pipeline (52) is provided with an electromagnetic valve (46) for controlling the opening and closing of the local spraying pipeline.
4. A fast-response perfluorohexanone fire-extinguishing apparatus according to claim 2, wherein: the container valve (43) is internally provided with a valve core (431), a return spring (433) arranged at the lower part in the valve core, a pressure regulating spring (434) arranged at the upper part in the valve core, a pressure regulating piston (435) arranged in the valve core and a valve core (436) arranged on a port of the pressure regulating piston (435), and a cavity A, B, C, E, F is sequentially arranged from the siphon (42) to the lower end of the electromagnetic driving device (45).
5. A fast-response perfluorohexanone fire-extinguishing apparatus according to claim 2, wherein: the fire detecting tube (51) can realize temperature sensing emergency starting or manual mechanical emergency starting; the temperature-sensing emergency starting means that the fire detecting pipe (51) is a hose which can generate a break (511) when reaching a set temperature, one end of the fire detecting pipe is arranged along the periphery of the module (2), the tail end of the fire detecting pipe is provided with a mechanical emergency starting device (54) and a second leakage detection device (55), the other end of the fire detecting pipe is provided with a one-way valve (49) and is connected with the balance pipe (48), when the fire detecting pipe (51) leads a fire early warning control system and detects a specified temperature, the break (511) can be generated, and gas in the cavity E, C is decompressed from the break through the balance pipe (48) and the fire detecting pipe (51), so that the original balance state of the valve core (431) is broken, and the starting device is started; the mechanical emergency starting device (54) comprises a manual emergency pressure cap (544), wherein the pressure cap (544) is connected with a pressure rod (542) below, a puncture needle (545) for puncturing a diaphragm (549) is arranged below the pressure rod (542), the safety distance between the puncture needle (545) and the diaphragm (549) is limited through a safety pin (543), and the split cap (541) guides the mechanical emergency starting device when puncture is performed; when the diaphragm is manually punctured, the puncture needle enables the channel C1 to be communicated with the channel C2 under the action of a second return spring (546), the pressure in the fire detecting tube is released, and therefore the fire extinguishing device is started.
6. A fast-response perfluorohexanone fire-extinguishing apparatus according to claim 3, wherein: the check valve (49) is arranged between the balance pipe (48) and the fire detecting pipe (51), when the fire detecting pipe (51) is decompressed, gas in the balance pipe (48) can be supplemented to the fire detecting pipe in time, the fire extinguishing device can be started by discharging the gas in the fire detecting pipe (51), the gas in the fire detecting pipe (51) cannot reversely enter the gas in the balance pipe (48), when the container valve (43) is started by adopting the electromagnetic driving device (45), the pressure in a balance cavity of the container valve can be quickly discharged, and the electric control starting response speed of the fire extinguishing device is improved.
7. A fast-response perfluorohexanone fire-extinguishing apparatus according to claim 2, wherein: the atomizing nozzle (53) comprises an adjustable throttle orifice plate (531) arranged at the upper part of the atomizing nozzle, a cavity G arranged at the lower side of the throttle orifice plate, a transverse opening spray orifice G1 arranged at the lower part of the cavity G and a longitudinal opening spray orifice G2 arranged at the lower part of the cavity G, wherein G2 is arranged at the lower side of G1, a horn-shaped outer reaming hole is arranged at an outer port of G1, and a direction-adjustable inclined plane stop block is arranged below an opening of G2; the size can be determined through a throttling orifice plate (531) according to engineering calculation, the flow of the fire extinguishing agent is controlled, the fire extinguishing agent in a spraying pipeline reaches a cavity G and is sprayed out through a spraying hole G1 and a spraying hole G2, the spraying hole G1 is provided with a reaming hole on the outer surface, the fire extinguishing agent is favorably diffused along a flaring angle, protection in a larger area is carried out, an inclined plane is arranged below the spraying hole G2, after the fire extinguishing agent is sprayed out from the spraying hole G2, part of the fire extinguishing agent directly impacts the inclined plane, the fire extinguishing agent is diffused along the inclined plane angle through impact atomization, and part of the fire extinguishing agent is.
8. A fast-response perfluorohexanone fire-extinguishing apparatus according to claim 3, wherein: the electromagnetic valve (46) is normally open.
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| CN201921506915.4U CN211357525U (en) | 2019-09-10 | 2019-09-10 | Quick response's perfluor hexanone extinguishing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114344774A (en) * | 2022-02-17 | 2022-04-15 | 福建永福电力设计股份有限公司 | Perfluoro hexanone fire extinguishing method shared by lithium battery electric box and energy storage cabin |
| CN114432617A (en) * | 2022-03-08 | 2022-05-06 | 京安捷安防科技(青岛)有限公司 | Perfluorohexanone fire extinguishing system for track traffic |
| CN114699677A (en) * | 2022-03-29 | 2022-07-05 | 中国能源建设集团江苏省电力设计院有限公司 | Perfluoro hexanone fire extinguishing method suitable for prefabricated cabin of lithium iron phosphate energy storage battery |
| WO2022197333A1 (en) * | 2021-03-19 | 2022-09-22 | The Chemours Company Fc, Llc | Thermal protection of lithium ion batteries |
| WO2022197332A1 (en) * | 2021-03-19 | 2022-09-22 | The Chemours Company Fc, Llc | Thermal protection of lithium ion batteries |
| CN115814324A (en) * | 2022-12-09 | 2023-03-21 | 国网河南省电力公司济源供电公司 | Automatic detection fire extinguishing control system based on perfluorohexanone fire extinguishing apparatus |
| 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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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022197333A1 (en) * | 2021-03-19 | 2022-09-22 | The Chemours Company Fc, Llc | Thermal protection of lithium ion batteries |
| WO2022197332A1 (en) * | 2021-03-19 | 2022-09-22 | The Chemours Company Fc, Llc | Thermal protection of lithium ion batteries |
| CN114344774A (en) * | 2022-02-17 | 2022-04-15 | 福建永福电力设计股份有限公司 | Perfluoro hexanone fire extinguishing method shared by lithium battery electric box and energy storage cabin |
| CN114344774B (en) * | 2022-02-17 | 2023-02-28 | 福建永福电力设计股份有限公司 | Perfluoro hexanone fire extinguishing method shared by lithium battery electric box and energy storage cabin |
| CN114432617A (en) * | 2022-03-08 | 2022-05-06 | 京安捷安防科技(青岛)有限公司 | Perfluorohexanone fire extinguishing system for track traffic |
| CN114699677A (en) * | 2022-03-29 | 2022-07-05 | 中国能源建设集团江苏省电力设计院有限公司 | Perfluoro hexanone fire extinguishing method suitable for prefabricated cabin of lithium iron phosphate energy storage battery |
| CN115814324A (en) * | 2022-12-09 | 2023-03-21 | 国网河南省电力公司济源供电公司 | Automatic detection fire extinguishing control system based on perfluorohexanone fire extinguishing apparatus |
| 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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Effective date of registration: 20231225 Address after: Room 204-4, Building G4, Wuhan New Energy Research Institute Building, No. 999 Gaoxin Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430206 (Wuhan Free Trade Zone) Patentee after: Wuhan Sanfu New Material Technology Co.,Ltd. Address before: 311400 building 5-2, 108 Zhujian Road, Chunjiang street, Fuyang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG LANDUN ELECTRICIAN NEW MATERIAL TECHNOLOGY Co.,Ltd. |