CN220735997U - Fire safety system of electrochemical energy storage system - Google Patents
Fire safety system of electrochemical energy storage system Download PDFInfo
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- CN220735997U CN220735997U CN202322324200.XU CN202322324200U CN220735997U CN 220735997 U CN220735997 U CN 220735997U CN 202322324200 U CN202322324200 U CN 202322324200U CN 220735997 U CN220735997 U CN 220735997U
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- fire
- energy storage
- pipeline
- extinguishing agent
- detector
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- 238000012983 electrochemical energy storage Methods 0.000 title claims abstract description 19
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 239000012782 phase change material Substances 0.000 claims abstract description 15
- 238000005507 spraying Methods 0.000 claims abstract description 13
- 238000009423 ventilation Methods 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000004146 energy storage Methods 0.000 claims abstract description 10
- 239000003814 drug Substances 0.000 claims description 21
- 239000007921 spray Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 5
- 239000000779 smoke Substances 0.000 claims description 4
- 230000005518 electrochemistry Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000020169 heat generation Effects 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- WVSNNWIIMPNRDB-UHFFFAOYSA-N 1,1,1,3,3,4,4,5,5,6,6,6-dodecafluorohexan-2-one Chemical compound FC(F)(F)C(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F WVSNNWIIMPNRDB-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 239000003792 electrolyte Substances 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
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Abstract
The utility model relates to a fire protection safety system of an electrochemical energy storage system, and belongs to the technical field of safety of electrochemical energy storage systems. The fire extinguishing device comprises a container and a control host, wherein a fire extinguishing agent device and a battery PACK are arranged in the container, a detector A is arranged on the battery PACK, and a phase change material immersed cooling system, a ventilation system, a detector B and fire-fighting spraying are arranged in the container. The whole fire-fighting safety system has higher automation degree, the passive cooling system and the active detection and fire-extinguishing system are provided, the automation degree is higher, different functional modules are linked with each other, when the fire-extinguishing system is started, the alarm signal device gives out sound and light alarm to inform relevant staff, the safety of the staff is guaranteed, the safety of the energy storage power station is improved, the control host machine is fully automatically operated, the different functional modules are linked with each other, the fire extinguishing agent is sprayed by the fire-extinguishing agent device to extinguish fire, and fire water is sprayed by the fire-extinguishing agent device to extinguish fire.
Description
Technical Field
The utility model relates to a fire protection safety system of an electrochemical energy storage system, and belongs to the technical field of safety of electrochemical energy storage systems.
Background
Electrochemical energy storage focuses on three elements: high safety, long service life and low cost. Among the most difficult to solve is the safety problem, which will be a highly interesting problem for the energy storage industry.
The existing fire extinguishing agent comprises water, perfluoro-hexanone, heptafluoropropane, carbon dioxide, aerosol and the like, can not fundamentally interrupt the chain decomposition reaction inside the battery and prevent the problem of long-time reburning, and the final means is flood irrigation for the fire disaster of the energy storage power station from the viewpoint of fire extinguishing practice.
In summary, the development of energy storage is necessary to solve the safety problem, wherein the fire safety problem is the last line of defense, the current fire extinguishing agent can extinguish fire rapidly, but can not inhibit the re-combustion for a long time, so how to solve the problem of inhibiting the re-combustion is critical, and the development of an electrochemical energy storage system fire safety system is of great importance.
Disclosure of Invention
The utility model provides a fire safety system of an electrochemical energy storage system, aiming at the defects in the prior art.
The technical scheme for solving the technical problems is as follows:
the utility model provides an electrochemistry energy storage system fire control safety system, includes container and control host computer, is equipped with fire extinguishing agent device and battery PACK in the container, be equipped with the detector first on the battery PACK, be equipped with phase change material submergence cooling system, ventilation system, detector second and fire control spraying in the container, battery PACK is located phase change material submergence cooling system, fire extinguishing agent device, detector first, detector second and ventilation system all are connected with the control host computer electricity, fire control spraying intercommunication has fire fighting water, the outside of container is located to fire fighting water.
Further, a fire extinguishing agent liquid level detection device electrically connected with the control main machine is arranged in the fire extinguishing agent device.
Further, be equipped with the medicament shower nozzle in the battery PACK, be equipped with the medicament pipeline on the fire extinguishing agent device, the fire extinguishing agent device passes through the medicament pipeline and is connected with the medicament shower nozzle, the medicament pipeline is including the A section pipeline and the B section pipeline of intercommunication, is equipped with the switch first of being connected with the control host computer electricity on the B section pipeline.
Further, fire control spraying pipeline and PACK level fire control water pipeline are arranged on the fire control water, a switch B is arranged on the PACK level fire control water pipeline, and the PACK level fire control water pipeline is communicated with the medicament pipeline.
Further, a switch C which is electrically connected with the control host is arranged on the fire-fighting spraying pipeline.
Further, the number of the fire-fighting spraying is multiple.
Further, the number of the detectors B is at least one.
Further, the detector A is a PACK-level detector, and the indexes detected by the detector comprise one or more of temperature, smoke, CO and VOC.
Further, an alarm signal device electrically connected with the control host is arranged in the container.
Compared with the prior art, the utility model has the beneficial effects that: the whole fire-fighting safety system has higher automation degree, a passive cooling system and an active detection and fire-extinguishing system, the automation degree is higher, different functional modules are mutually linked, when the fire-extinguishing system is started, an alarm signal device sends out sound and light alarms to inform relevant staff, the safety of the staff is guaranteed, the safety of an energy storage power station is improved, a control host machine fully automatically operates, the different functional modules are mutually linked, fire extinguishing agent is sprayed by a fire-extinguishing agent device to extinguish fire, fire water is added to carry out fire spraying, a large amount of fire water is filled into a container, the internal chain decomposition reaction of a battery PACK is fundamentally interrupted, the effect of inhibiting afterburning for a long time is achieved, the potential safety hazard problem existing in the afterburning condition is solved, and the safety coefficient of the energy storage power station is improved; through the phase change material immersed cooling system, at the initial stage of the thermal runaway problem of the battery PACK, the heat generated at the early stage of the thermal runaway of the battery PACK is timely taken away by utilizing the high heat absorption characteristic of the phase change material, so that the working in a proper temperature interval is ensured, the working efficiency of the battery PACK is improved, the heat generation rate in the battery PACK is prevented from being larger than the heat dissipation rate, the occurrence of more serious conditions is further caused, the safety coefficient of the battery PACK in the working process is improved, the safety of a container is further improved, and the personal safety of staff is ensured; the full-automatic linkage opening and closing of the ventilation system can be performed with the detection result of the space detector B through the control host, the combustible gas and other harmful gases in the container are timely discharged, and the concentration of the combustible gas is reduced, so that later-stage staff can enter the container to perform a series of post-treatment work.
Drawings
Fig. 1 is a schematic view of the overall scheme of the present utility model.
In the figure, 1, container; 11. a detector B; 2. a phase change material immersion cooling system; 3. a battery PACK; 31. a detector I; 4. fire-fighting spraying; 5. a ventilation system; 6. a control host; 7. an alarm signal device; 8. a fire extinguishing agent device; 81. a switch I; 82. a section of pipeline A; 83. a section B pipeline; 9. fire fighting water; 91. a switch B; 92. a switch C; 93. PACK grade fire water pipeline.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
As shown in fig. 1, an electrochemical energy storage system fire-fighting safety system comprises a container 1 and a control host 6, wherein a fire extinguishing agent device 8 and a battery PACK3 are arranged in the container 1, a detector A31 is arranged on the battery PACK3, a phase change material immersed cooling system 2, a ventilation system 5, a detector B11 and a fire-fighting spray 4 are arranged in the container 1, the battery PACK3 is positioned in the phase change material immersed cooling system 2, the fire extinguishing agent device 8, the detector A31, the detector B11 and the ventilation system 5 are all electrically connected with the control host 6, the fire-fighting spray 4 is communicated with fire-fighting water 9, and the fire-fighting water 9 is arranged outside the container 1.
The fire extinguishing agent device 8 is internally provided with a fire extinguishing agent liquid level detection device which is electrically connected with the control host 6.
Be equipped with the medicament shower nozzle in the battery PACK3, be equipped with the medicament pipeline on the fire extinguishing agent device 8, the fire extinguishing agent device 8 is connected with the medicament shower nozzle through the medicament pipeline, the medicament pipeline is equipped with the switch first 81 of being connected with control host 6 electricity including the A section pipeline 82 and the B section pipeline 83 of intercommunication on the B section pipeline 83.
Fire control spray line and PACK level fire control water line 93 are equipped with on the fire control water 9, be equipped with switch B91 on the PACK level fire control water line 93, PACK level fire control water line 93 and medicament pipeline intercommunication.
The fire-fighting spraying pipeline is provided with a switch C92 which is electrically connected with the control host 6.
The number of the fire-fighting spraying nozzles 4 is multiple.
The number of the detectors B11 is at least one.
The detector A31 is a PACK-level detector, and the indexes detected by the detector comprise one or more of temperature, smoke, CO and VOC.
An alarm signal device 7 electrically connected with a control host 6 is arranged in the container 1.
The design scheme of the mutual linkage of the active detection system and the fire-fighting safety system takes the battery PACK3 as a minimum protection unit, and the fire-fighting safety system adopts a mode of directly filling a large amount of fire-fighting water 9 into the container 1 to inhibit re-combustion for a long time, thereby comprehensively guaranteeing the safety of the electrochemical energy storage power station.
During normal working of the battery PACK3, the phase-change material immersed cooling system 2 is in charge of heat management of the battery PACK3, so that the battery PACK3 can work in a proper temperature range, and the working efficiency of the battery is improved; when the internal temperature of the battery PACK3 is abnormal, the phase-change material immersed cooling system 2 is responsible for timely cooling the battery PACK3, and heat generated in the early stage of thermal runaway of the battery is timely taken away by utilizing the high heat absorption characteristic of the phase-change material, so that heat accumulation is prevented, and the heat generation rate in the container 1 is prevented from being larger than the heat dissipation rate;
the detector first 31 is installed in the battery PACK3, when the temperature abnormality is caused by thermal runaway in the battery PACK3 or electrolyte leakage abnormality occurs, and the detector first 31 is triggered to detect the threshold value of the alarm algorithm, the detector first 31 timely notifies the control host 6 of data, and detected indexes include but are not limited to: temperature, CO, VOC, smoke, etc.; the detector B11 is installed inside the container 1, the quantity is determined according to the internal layout of the container 1, and the function is to monitor whether fire occurs in the container 1 in real time and transmit data back to the control host 6, and the detected indexes include but are not limited to: temperature, hydrogen, flame, etc.;
the fire water 9 pipeline is divided into two parts: one is a PACK grade fire water pipeline 93 which is connected to a medicament pipeline to form a section of fire extinguishing medicament and fire water two-in-one pipeline, is connected to a battery PACK3 to form a PACK grade fire water pipeline, a switch B91 and a switch A81 respectively control the opening and closing of a fire water 9 pipeline and a medicament pipeline, and control signals are uniformly sent by a control host 6; the other is a fire-fighting spray pipeline, the fire-fighting water 9 is connected with the fire-fighting spray 4, space-level fire fighting is carried out in the container 1, the switch C92 controls the opening and closing of the fire-fighting spray 4, and control signals are uniformly sent out by the control host 6;
when thermal runaway occurs, the control host 6 is used for receiving data sent back by the first detector 31 and the second detector 11 in real time, and when the thermal runaway occurs, the control host 6 firstly turns on the first switch 81 of the fire extinguishing agent device 8, at the moment, the second switch 91 is in a closed state, the fire extinguishing agent device 8 is started to reach the agent spray head through the agent pipeline to spray fire extinguishing agent, meanwhile, the third switch 92 can be turned on to control the fire-fighting spray 4 to carry out omnibearing space-level water fire fighting on the container 1, the fire extinguishing agent device 8 is internally provided with a fire extinguishing agent liquid level detection device, a liquid level signal is returned to the control host 6, when the liquid level detection device in the fire extinguishing agent device 8 detects that the fire extinguishing agent is sprayed, the liquid level signal is returned to the control host 6, at the moment, the control host 6 turns off the first switch 81, then turns on the second switch 91, and the fire extinguishing agent 9 enters the battery PACK3 through the pipeline to carry out PACK-level fire fighting, fire extinguishing can be carried out from a root source, and the re-burning can be inhibited for a long time; the control host 6 can judge whether to start the ventilation system 5 according to the data of the detector B11, so as to realize full-automatic ventilation operation.
The whole fire-fighting safety system has higher automation degree, a passive cooling system and an active detection and fire-extinguishing system, the automation degree is higher, different functional modules are mutually linked, when the fire-extinguishing system is started, the alarm signal device 7 gives out sound and light alarms to inform relevant staff, the safety of the staff is guaranteed, the safety of an energy storage power station is improved, the control host 6 fully automatically operates, the different functional modules are mutually linked, fire extinguishing agent is sprayed by the fire-extinguishing agent device 8 to extinguish fire, fire-extinguishing water 9 is added to carry out fire-extinguishing spraying 4, a large amount of fire-extinguishing water 9 is filled into the container 1, the internal linkage decomposition reaction of the battery PACK3 is fundamentally interrupted, the effect of inhibiting afterburning for a long time is achieved, the potential safety hazard problem of afterburning conditions is solved, and the safety coefficient of the energy storage power station is improved; through the phase change material immersed cooling system 2, at the initial stage of the thermal runaway problem of the battery PACK3, the heat generated at the early stage of the thermal runaway of the battery PACK3 is timely taken away by utilizing the high heat absorption characteristic of the phase change material, so that the heat generation rate inside the battery PACK3 is prevented from being larger than the heat dissipation rate, the occurrence of more serious conditions is further caused, the safety coefficient of the battery PACK3 in the working process is improved, the safety of the container 1 is further improved, and the personal safety of staff is ensured; the ventilation system 5 can be opened and closed in a full-automatic linkage manner through the control host 6 and the detection result of the space detector B11, and combustible gas and other harmful gases in the container 1 are timely discharged, so that the concentration of the combustible gas is reduced, and a later worker can enter the container 1 to perform a series of post-treatment works.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (9)
1. The utility model provides an electrochemistry energy storage system fire control safety system, includes container (1) and control host computer (6), is equipped with fire extinguishing agent device (8) and battery PACK (3) in container (1), be equipped with detector first (31), its characterized in that on battery PACK (3): be equipped with phase change material submergence cooling system (2), ventilation system (5), detector B (11) and fire control spray (4) in container (1), battery PACK (3) are located phase change material submergence cooling system (2), fire extinguishing agent device (8), detector A (31), detector B (11) and ventilation system (5) all are connected with control host computer (6) electricity, fire control spray (4) intercommunication has fire fighting water (9), outside container (1) is located in fire fighting water (9).
2. The electrochemical energy storage system fire safety system of claim 1, wherein: the fire extinguishing agent device (8) is internally provided with a fire extinguishing agent liquid level detection device which is electrically connected with the control host (6).
3. The electrochemical energy storage system fire safety system of claim 1, wherein: be equipped with the medicament shower nozzle in battery PACK (3), be equipped with the medicament pipeline on fire extinguishing agent device (8), fire extinguishing agent device (8) are connected with the medicament shower nozzle through the medicament pipeline, the medicament pipeline is equipped with on the B section pipeline (83) switch first (81) of being connected with control host computer (6) electricity including A section pipeline (82) and B section pipeline (83) of intercommunication.
4. The electrochemical energy storage system fire safety system of claim 1, wherein: fire control spray pipeline and PACK level fire control water pipeline (93) are arranged on fire control water (9), switch B (91) is arranged on PACK level fire control water pipeline (93), and PACK level fire control water pipeline (93) is communicated with the medicament pipeline.
5. The electrochemical energy storage system fire safety system of claim 4, wherein: and a switch C (92) electrically connected with the control host (6) is arranged on the fire-fighting spraying pipeline.
6. The electrochemical energy storage system fire safety system of claim 1, wherein: the number of the fire-fighting spraying nozzles (4) is multiple.
7. The electrochemical energy storage system fire safety system of claim 1, wherein: the number of the detectors B (11) is at least one.
8. The electrochemical energy storage system fire safety system of claim 1, wherein: the detector A (31) is a PACK-level detector, and indexes detected by the detector comprise one or more of temperature, smoke, CO and VOC.
9. The electrochemical energy storage system fire safety system of claim 1, wherein: an alarm signal device (7) electrically connected with the control host (6) is arranged in the container (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322324200.XU CN220735997U (en) | 2023-08-29 | 2023-08-29 | Fire safety system of electrochemical energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322324200.XU CN220735997U (en) | 2023-08-29 | 2023-08-29 | Fire safety system of electrochemical energy storage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220735997U true CN220735997U (en) | 2024-04-09 |
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ID=90559447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322324200.XU Active CN220735997U (en) | 2023-08-29 | 2023-08-29 | Fire safety system of electrochemical energy storage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220735997U (en) |
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2023
- 2023-08-29 CN CN202322324200.XU patent/CN220735997U/en active Active
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