CN219764351U - Lithium battery fire extinguishing system - Google Patents
Lithium battery fire extinguishing system Download PDFInfo
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- CN219764351U CN219764351U CN202321380810.5U CN202321380810U CN219764351U CN 219764351 U CN219764351 U CN 219764351U CN 202321380810 U CN202321380810 U CN 202321380810U CN 219764351 U CN219764351 U CN 219764351U
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- fire extinguishing
- lithium battery
- pipe
- storage tank
- fire
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 69
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 52
- 230000009849 deactivation Effects 0.000 claims abstract description 40
- 238000004146 energy storage Methods 0.000 claims abstract description 23
- 239000003792 electrolyte Substances 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 239000007921 spray Substances 0.000 claims description 11
- 238000005086 pumping Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 239000000779 smoke Substances 0.000 claims description 5
- 230000001629 suppression Effects 0.000 claims description 4
- 238000001931 thermography Methods 0.000 claims description 4
- 230000011664 signaling Effects 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 230000002159 abnormal effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 108010066057 cabin-1 Proteins 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 239000000523 sample Substances 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model relates to the technical field of fire safety, in particular to a lithium battery fire extinguishing system, which comprises: the energy storage cabin is internally provided with a lithium battery PACK PACK and a detection structure; a fire extinguishing apparatus comprising a fire extinguishing agent storage tank for storing a fire extinguishing agent; a deactivation module including a deactivator storage tank for storing an electrolyte deactivator; the fire extinguishing agent storage tank is connected with first output tube, and the deactivatable agent storage tank is connected with the second output tube, and the one end that the fire extinguishing agent storage tank was kept away from to first output tube intersects and is connected with the main pipe that converges with the one end that the deactivatable agent storage tank was kept away from to the second output tube, and the main pipe that converges is kept away from first output tube and second output tube one end is connected with the fire extinguishing and is in charge of, and fire extinguishing is in charge of and extend to lithium battery PACK package outside and inside respectively. The utility model completes the improvement and the upgrading of the lithium battery fire extinguishing system, and effectively solves the technical problem of serious consequences caused by the treatment of the lithium battery fire retardation in the prior art.
Description
Technical Field
The utility model relates to the technical field of fire safety, in particular to a lithium battery fire extinguishing system.
Background
In recent years, with the continuous development of new energy industry, lithium ion batteries are becoming more and more widely used as a green battery with high energy density and long service life and without toxic and harmful substances. However, the working environment of the lithium ion battery is relatively closed, the heat dissipation condition is limited, and the service life of the lithium ion battery can be shortened under the high-temperature condition during working, and explosion can be possibly caused, so that serious fire accidents are caused. The fire extinguishing mode that adopts at present is after the conflagration appears in lithium cell energy storage incasement, and fire extinguishing system directly carries out comprehensive fire extinguishing to whole lithium cell group, easily destroys the group battery that does not appear conflagration and causes fire control resource waste.
In order to solve the problems, the utility model patent document with the authority of CN218589557U discloses an energy storage box fire suppression device, which starts fire extinguishing equipment after a smoke detector, a temperature detector and the like receive fire signals in a lithium battery pack, so that a fire extinguishing agent is sprayed out through a spray nozzle above the ignited battery pack to extinguish the fire, and damage to the battery pack which does not generate the fire is reduced; when the fire situation is continuously expanded, the fire extinguishing equipment is started, so that the fire extinguishing agent is sprayed out through a plurality of spray heads positioned above the inside of the energy storage battery, and the fire is extinguished in the whole energy storage battery. The device adopts different fire extinguishing measures according to different conditions of fire, so that the damage to the lithium battery pack which is not in fire in the energy storage battery is reduced, and fire-fighting resources are saved to a certain extent.
However, when the device is used, the fire extinguishing equipment can be started to extinguish fire according to different conditions of fire only when the detection equipment detects that the open fire occurs in the lithium battery pack in the energy storage battery, and the fire treatment process is relatively slow, so that the uncontrollable risk of the fire is increased, and relatively serious consequences are easily caused.
Disclosure of Invention
The utility model provides a fire extinguishing system of a lithium battery, which aims to solve the technical problem that serious consequences are caused by treating slow fire of a lithium battery pack in the prior art.
In order to solve the problems, the lithium battery fire extinguishing system provided by the utility model adopts the following technical scheme:
a lithium battery fire suppression system, comprising:
the energy storage cabin is internally provided with a lithium battery PACK PACK for storing battery cores and a detection structure for detecting fire;
a fire extinguishing apparatus comprising a fire extinguishing agent storage tank for storing a fire extinguishing agent;
a deactivation module including a deactivator storage tank for storing an electrolyte deactivator;
the fire extinguishing agent storage tank is connected with first output tube, and the deactivatable agent storage tank is connected with the second output tube, the one end that the fire extinguishing agent storage tank was kept away from to first output tube is crossed and is connected with the main pipe that converges with the one end that the deactivatable agent storage tank was kept away from to the second output tube, and the main pipe that converges is kept away from the one end of first output tube and second output tube is connected with the fire extinguishing and is in charge of and deactivation and be in charge of, and the fire extinguishing is in charge of and is extended to lithium cell PACK package outside, deactivation is in charge of and is extended to in the lithium cell PACK package.
The lithium battery fire extinguishing system provided by the utility model has the beneficial effects that: in the lithium battery fire extinguishing system provided by the utility model, the deactivation component comprising the deactivation agent storage tank and the fire extinguishing equipment comprising the fire extinguishing agent storage tank are arranged, when the detection structure detects that the lithium battery PACK in the energy storage cabin is abnormal but fire is not initiated yet, the electrolyte deactivation agent can be conveyed into the abnormal lithium battery PACK through the second output pipe, the confluence main pipe and the deactivation branch pipe so as to remove or reduce the combustion activity of the battery in the abnormal lithium battery PACK, thereby avoiding the fire; when the detection structure detects that the lithium battery PACK PACK in the energy storage cabin has a fire disaster, the fire extinguishing agent can be conveyed to the outer side and the inner side of the lithium battery PACK PACK in fire disaster through the first output pipe, the confluence main pipe, the fire extinguishing branch pipe and the deactivation branch pipe, so that the fire disaster is quickly extinguished. Compared with the prior art, the utility model actually provides two means for preventing and treating the fire disaster by comprising the activity of the electrolyte deactivator for deactivating the combustion of the internal battery of the lithium battery PACK and the means for externally extinguishing the fire disaster, has better fire extinguishing effect, and effectively solves the technical problem of serious consequences caused by treating the fire disaster delay of the lithium battery PACK in the prior art.
Further, the number of the lithium battery PACK packages is multiple, and the energy storage cabin is internally provided with a plurality of layers of battery frames extending up and down and used for storing the lithium battery PACK packages.
Further, the main converging pipe comprises a first pipe section and a second pipe section, one end of the first pipe section is connected with the first output pipe and the second output pipe through a three-way pipe, and the other end of the first pipe section is connected with the second pipe section through an elbow; the second pipe section is provided with a plurality of liquid separating ports, and each liquid separating port is connected with one deactivation branch pipe.
The beneficial effects are that: the main pipe that converges comprises first pipeline section and second pipeline section, and first pipeline section and second pipeline section pass through elbow connection, have both shortened the length of single pipeline, are convenient for install and dismantle, and accessible elbow changes the trend of main pipe that converges again, makes it satisfy the needs.
Further, the fire extinguishing device also comprises a processor which is in signal connection with the detection structure and the fire extinguishing device and is used for receiving a fire signal and controlling the opening or closing of the fire extinguishing device; the processor is also in signal connection with a remote terminal for remote control by an operator.
Further, control valves for controlling on-off are arranged on the first output pipe and the second output pipe, and the control valves are in signal connection with the processor so as to control the delivery of the fire extinguishing agent or the electrolyte deactivator.
Further, a pumping pump is arranged on the second output pipe and positioned between the deactivator storage tank and the control valve, and the pumping pump is in signal connection with the processor and is used for pumping electrolyte deactivator.
Further, the tail end of the fire extinguishing branch pipe is connected with a spray head so as to spray the fire extinguishing agent; the tail end of the deactivation branch pipe is also connected with a spray head so as to spray the electrolyte deactivation agent.
Further, the fire extinguishing branch pipe and the deactivation branch pipe are respectively provided with an area valve for controlling on-off, and the area valves are in signal connection with the processor so as to control the delivery of the fire extinguishing agent or the electrolyte deactivation agent.
Furthermore, the area valve is also connected with an address module, and the address module is in signal connection with the processor, so that the processor can accurately control the area valve.
The beneficial effects are that: the position of the lithium battery PACK package and the position of the regional valve can be accurately identified through the address module, so that the processor can rapidly and accurately control the opening of the regional valve to eliminate fire.
Further, the detection structure is located on the side wall inside the energy storage cabin and comprises a flame detector, a thermal imaging detector, a video flame detector, a smoke detector, a temperature detector and a BMS system.
Drawings
The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present utility model will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. In the drawings, embodiments of the utility model are illustrated by way of example and not by way of limitation, and like reference numerals refer to similar or corresponding parts and in which:
fig. 1 is a schematic diagram of a fire extinguishing system using lithium battery provided by the utility model.
Reference numerals illustrate:
1. an energy storage cabin; 2. a lithium battery PACK; 3. a detection structure; 4. a fire extinguishing agent storage tank; 5. a deactivator storage tank; 6. a first output tube; 7. a second output pipe; 8. a confluence main pipe; 9. fire extinguishing branch pipes; 10. deactivating the branch pipe; 11. a battery holder; 12. a three-way pipe; 13. an elbow; 14. a processor; 15. a remote terminal; 16. a control valve; 17. a pump; 18. a spray head; 19. a zone valve; 20. an address module; 21. a flame detector; 22. a thermal imaging detector; 23. a video flame detector; 24. a smoke detector; 25. a temperature sensing detector; 26. BMS system.
Detailed Description
The following description of the embodiments of the present utility model will be made more complete and clear to those skilled in the art by reference to the figures of the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that the main conception of the lithium battery fire extinguishing system provided by the utility model is as follows: through setting up the deactivation subassembly including deactivator storage tank, when detecting that the lithium cell PACK package in the energy storage cabin appears unusual but has not yet triggered the conflagration in detecting the structure, carry the electrolyte deactivator in the deactivator storage tank to the lithium cell PACK package inside of anomaly to get rid of or reduce its internal battery combustion's activity, thereby avoid taking place the conflagration; if a fire has occurred in the energy storage compartment, the fire extinguishing agent is delivered to the outside and inside of the lithium battery PACK for fire, thereby rapidly extinguishing the fire.
Having described the basic principles of the present utility model, various non-limiting embodiments of the utility model are described in detail below. Any number of elements in the figures are for illustration and not limitation, and any naming is used for distinction only and not for any limiting sense.
The principles and spirit of the present utility model are explained in detail below with reference to several representative embodiments thereof.
Example 1 of the lithium battery fire extinguishing system provided by the utility model:
as shown in fig. 1, the lithium battery fire extinguishing system mainly comprises an energy storage cabin 1, an extinguishing device 4, a deactivation module 5 and a processor 14. Wherein, the inside of the energy storage cabin 1 is fixedly provided with a plurality of layers of battery frames 11 which extend up and down, and each layer of battery frame is fixedly provided with a lithium battery PACK PACK 2 for storing battery cores; the side wall of the interior of the energy storage cabin 1 is also provided with a detection structure 3 for detecting fire signals, and the detection structure 3 comprises a flame detector 21, a thermal imaging detector 22, a video flame detector 23, a smoke detector 24, a temperature sensing detector 25 and a BMS system 26.
Specifically, the fire-extinguishing apparatus 4 mainly includes a fire-extinguishing agent storage tank 4 for storing a fire-extinguishing agent, and the deactivation module 5 mainly includes a deactivation agent storage tank 5 for storing an electrolyte deactivation agent. The processor 14 is connected to the fire extinguishing agent storage tank 4 and the deactivating agent storage tank 5 by means of wireless connections, and is also connected to the detection structure 3 by means of cables, mainly for receiving fire signals and controlling the opening or closing of the fire extinguishing device 4. The processor 14 is furthermore connected to a remote terminal 15 by means of a cable for the operator to remotely control the system.
In order to convey the fire extinguishing agent and the electrolyte deactivation agent to the plurality of lithium battery PACK PACKs 2, a first output pipe 6 and a second output pipe 7 are respectively connected with the fire extinguishing agent storage tank 4 and the deactivation agent storage tank 5, the output ends of the two output pipes are intersected and are connected with a first pipe section of the converging main pipe 8 through a three-way pipe 12, and the first pipe section of the converging main pipe 8 is connected with a second pipe section thereof through an elbow 13. The second pipe section of the main confluence pipe 8 consists of a plurality of single pipes, and the single pipes are connected with a deactivation branch pipe 10 extending into the lithium battery PACK through a three-way pipe 12 or an elbow 13; the fire extinguishing branch pipe 9 is positioned on the outer side of the lithium battery PACK 2 and is connected to the deactivation branch pipe 10 through a three-way pipe 12. The ends of the fire extinguishing branch pipe 9 and the deactivation branch pipe 10 are connected with a spray head 18 for spraying fire extinguishing agent or electrolyte deactivation agent.
In addition, a control valve 16 is respectively arranged on the first output pipe 6 and the second output pipe 7, a zone valve 19 is respectively arranged on the deactivation branch pipe 10 and the fire extinguishing branch pipe 9, the control valve 16 and the zone valve 19 are connected with the processor 14 through cables, and the processor 14 controls the delivery of the fire extinguishing agent and the electrolyte deactivation agent by operating the control valve 16 and the zone valve 19; the second output pipe 7 is also provided with a pumping pump 17 positioned between the deactivator storage tank 5 and the control valve 16, and the pumping pump 17 is connected with the processor 14 through a cable and is used for pumping electrolyte deactivator; an address module 20 is connected to each zone valve 19, and the address module 20 is also connected to the controller 14 by a cable so that the processor 14 accurately and rapidly controls the opening of the zone valve 19 to extinguish the fire.
The working principle of the lithium battery fire extinguishing system provided by the utility model is as follows: when the detection structure 3 positioned in the energy storage cabin 1 detects that the lithium battery PACK 2 is abnormal but fire is not initiated yet, the processor 14 controls the opening of the pumping pump 17, the control valve 16 on the second output pipe 7 and the zone valve 19 on the deactivation sub-pipe 10, and the electrolyte deactivator is pumped out of the deactivator storage tank 5 and is conveyed to the inside of the abnormal lithium battery PACK 2 so as to remove or reduce the activity of the combustion of the battery in the abnormal lithium battery PACK 2, thereby avoiding the fire; when the detection structure 3 detects that the lithium battery PACK 2 in the energy storage compartment 1 has a fire, the processor 14 operates the fire extinguishing device 4, the control valve 16 on the first output pipe 6, the zone valve 19 on the deactivation manifold 10 and the zone valve 19 on the fire extinguishing manifold 9 to deliver the fire extinguishing agent to the inside and outside of the fire lithium battery PACK 2, thereby rapidly extinguishing the fire.
Example 2 of the lithium battery fire extinguishing system provided by the utility model:
the differences from example 1 are mainly that:
in example 1, the second tube section of the main bus tube is composed of a plurality of single tubes, and the single tubes are connected with the deactivation branch tube extending into the lithium battery PACK through a tee or elbow.
In this embodiment, the second pipe section of the main bus pipe is a single pipe, and a plurality of liquid separating ports are formed in the single pipe, and each liquid separating port is connected with a deactivation branch pipe extending into the lithium battery PACK.
Example 3 of the lithium battery fire extinguishing system provided by the utility model:
the differences from example 1 are mainly that:
in example 1, the processor is connected to the control valve, zone valve, pump, address module, probe structure, and remote terminal by cables.
In this embodiment, the processor is connected to the control valve, the zone valve, the pump, the address module, the probe structure, and the remote terminal by wireless connections.
It will be further understood by those skilled in the art from the foregoing description of the present specification that terms such as "upper," "lower," "inner," "outer," "side," and the like, which indicate an orientation or a positional relationship, are based on the orientation or positional relationship shown in the drawings of the present specification, which are for the purpose of facilitating the explanation of the aspects of the present utility model and simplifying the description, and do not explicitly or implicitly refer to devices or elements that must have the particular orientation, be constructed and operated in the particular orientation, and thus the above orientation or positional relationship terms should not be interpreted or construed as limiting the aspects of the present utility model.
In addition, in the description of the present specification, the meaning of "plurality" means at least two, for example, two, three or more, etc., unless specifically defined otherwise.
Claims (10)
1. A lithium battery fire suppression system, comprising:
the energy storage cabin is internally provided with a lithium battery PACK PACK for storing battery cores and a detection structure for detecting fire;
a fire extinguishing apparatus comprising a fire extinguishing agent storage tank for storing a fire extinguishing agent;
characterized by further comprising:
a deactivation module including a deactivator storage tank for storing an electrolyte deactivator;
the fire extinguishing agent storage tank is connected with first output tube, and the deactivatable agent storage tank is connected with the second output tube, the one end that the fire extinguishing agent storage tank was kept away from to first output tube is crossed and is connected with the main pipe that converges with the one end that the deactivatable agent storage tank was kept away from to the second output tube, and the main pipe that converges is kept away from the one end of first output tube and second output tube is connected with the fire extinguishing and is in charge of and deactivation and be in charge of, and the fire extinguishing is in charge of and is extended to lithium cell PACK package outside, deactivation is in charge of and is extended to in the lithium cell PACK package.
2. The lithium battery fire extinguishing system according to claim 1, wherein the number of the lithium battery PACK PACKs is plural, and the energy storage compartment is provided with a plurality of battery racks extending up and down for storing the plurality of lithium battery PACK PACKs.
3. The lithium battery fire extinguishing system according to claim 2, wherein the main converging pipe comprises a first pipe section and a second pipe section, one end of the first pipe section is connected with the first output pipe and the second output pipe through a three-way pipe, and the other end is connected with the second pipe section through an elbow; the second pipe section is provided with a plurality of liquid separating ports, and each liquid separating port is connected with one deactivation branch pipe.
4. A lithium battery fire extinguishing system according to any of claims 1 to 3, further comprising a processor in signal connection with the detection structure and the extinguishing device for receiving a fire signal and controlling the opening or closing of the extinguishing device; the processor is also in signal connection with a remote terminal for remote control by an operator.
5. The lithium battery fire extinguishing system according to claim 4, wherein the first output pipe and the second output pipe are respectively provided with a control valve for controlling on-off, and the control valves are in signal connection with the processor so as to control the delivery of the extinguishing agent or the electrolyte deactivation agent.
6. The lithium battery fire suppression system of claim 5, further comprising a pump mounted on the second output tube between the deactivator storage tank and the control valve, the pump in signal communication with the processor for pumping electrolyte deactivator.
7. The lithium battery fire extinguishing system according to claim 4, wherein the end of the extinguishing branch pipe is connected with a spray head for spraying extinguishing agent; the tail end of the deactivation branch pipe is also connected with a spray head so as to spray the electrolyte deactivation agent.
8. The lithium battery fire extinguishing system according to claim 7, wherein the fire extinguishing branch pipe and the deactivation branch pipe are respectively provided with an area valve for controlling on-off, and the area valves are in signal connection with the processor so as to control the delivery of the extinguishing agent or the electrolyte deactivation agent.
9. The lithium battery fire extinguishing system of claim 8, wherein the zone valve is further connected with an address module, the address module being in signal connection with the processor to facilitate precise control of the zone valve by the processor.
10. A lithium battery fire extinguishing system according to any of claims 1 to 3, wherein the detection structure is located on a side wall inside the energy storage compartment, including flame detectors, thermal imaging detectors, video flame detectors, smoke detectors, temperature detectors, and BMS systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321380810.5U CN219764351U (en) | 2023-05-31 | 2023-05-31 | Lithium battery fire extinguishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321380810.5U CN219764351U (en) | 2023-05-31 | 2023-05-31 | Lithium battery fire extinguishing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219764351U true CN219764351U (en) | 2023-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321380810.5U Active CN219764351U (en) | 2023-05-31 | 2023-05-31 | Lithium battery fire extinguishing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219764351U (en) |
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2023
- 2023-05-31 CN CN202321380810.5U patent/CN219764351U/en active Active
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