CN220967936U - Active start type battery box nozzle applicable to energy storage system battery PACK - Google Patents
Active start type battery box nozzle applicable to energy storage system battery PACK Download PDFInfo
- Publication number
- CN220967936U CN220967936U CN202322646641.1U CN202322646641U CN220967936U CN 220967936 U CN220967936 U CN 220967936U CN 202322646641 U CN202322646641 U CN 202322646641U CN 220967936 U CN220967936 U CN 220967936U
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- channel
- valve body
- core
- energy storage
- battery box
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- 238000004146 energy storage Methods 0.000 title claims abstract description 16
- 239000012528 membrane Substances 0.000 claims abstract description 9
- 239000007921 spray Substances 0.000 claims description 39
- 238000007789 sealing Methods 0.000 claims description 32
- 239000003795 chemical substances by application Substances 0.000 claims description 31
- 238000009434 installation Methods 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 7
- 238000012983 electrochemical energy storage Methods 0.000 abstract description 3
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model provides an active start type battery box nozzle suitable for an energy storage system battery PACK, and belongs to the technical field of fire extinguishment of an electrochemical energy storage cabin. The valve comprises a valve body seat, a first channel is internally and penetratingly arranged, and a mounting channel communicated with the first channel is arranged in the valve body, a nozzle and a one-way valve are arranged in the mounting channel, one end of the first channel on the valve body seat is connected with a quick connector, a safety diaphragm is arranged in the quick connector, and a puncture device is arranged at the other end of the first channel on the valve body seat. After the puncture outfit punctures the corresponding safety membrane, fire extinguishing agent can be introduced into the single battery box, the function of separately controlling each battery box to extinguish fire can be achieved, the other battery boxes can be protected, and the fire extinguishing agent can be saved, and the fire extinguishing efficiency can be improved.
Description
Technical Field
The utility model relates to the technical field of fire extinguishment of electrochemical energy storage cabins, in particular to an active start type battery box nozzle suitable for an energy storage system battery PACK.
Background
The energy storage battery compartment is the main equipment of the chemical energy storage power station, is generally built by using a standard container, and is internally provided with hundreds of lithium iron phosphate battery modules; each battery module consists of dozens of single batteries; according to the electrical connection, tens of battery modules form a battery cluster. Under the conditions of overcharge, overload and the like, the common energy storage battery bin such as a lithium iron phosphate battery is subjected to chemical reaction inside the battery to continuously generate heat, and the heat is accumulated to cause thermal runaway to cause fire or even explosion, so that the lithium iron phosphate battery has high fire hazard.
At present, the fire-fighting system of the electrochemical energy storage cabin is also provided with an electronic valve on a fire extinguishing agent main pipeline of one battery cluster, and when the battery box in the battery cluster is overheated and fires, the electronic valve is started, and fire extinguishing agents are filled into all batteries in the battery cluster to perform fire suppression.
However, at present, a plurality of battery box fire extinguishing nozzles of one battery cluster are directly connected to the same fire extinguishing agent pipeline, when any battery box in the battery cluster has a problem to begin to extinguish fire, other battery boxes belonging to the same battery cluster can be sprayed by the fire extinguishing agent, so that the waste of the fire extinguishing agent is caused, and the normal battery pack is damaged.
Disclosure of utility model
In view of the above, the present utility model provides an active start type battery box nozzle suitable for an energy storage system battery PACK.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
Provided is an active start type battery box nozzle suitable for an energy storage system battery PACK, which comprises the following components:
The valve body seat is internally provided with a first channel in a penetrating way, the valve body is internally provided with a mounting channel, one end of the mounting channel is communicated with the first channel, and the other end of the mounting channel penetrates through the valve body;
The nozzle is arranged at one end of the installation channel in the valve body, which is far away from the first channel, and is used for atomizing and spraying fire extinguishing agent;
A check valve disposed in the installation passage and between the nozzle and the first passage for making the fire extinguishing agent flow unidirectionally from the first passage to the nozzle;
the quick connector is connected to one end of the first channel on the valve body seat and is used for externally connecting a fire extinguishing agent pipeline, and a safety diaphragm is coaxially and fixedly arranged in the quick connector;
The puncture device is connected to the other end of the first channel on the valve body seat and is used for puncturing the safety membrane in the quick connector after the quick connector is started.
Further, the nozzle comprises a spray core, a first sealing gasket and a flange gasket, wherein the spray core is in threaded connection with the end part of the installation channel, a spray opening is formed in the spray core in a penetrating mode, the first sealing gasket and the flange gasket are sequentially arranged on the outer side of the spray core on the valve body seat, and the flange gasket is fixedly connected with the valve body seat through a plurality of installation screws.
Further, one end of the spray core, which is close to the first channel, is provided with a mounting cavity, and a spiral water diversion seat is fixedly connected in the mounting cavity;
The spiral water diversion seat is internally and coaxially provided with a linear flow passage with the size smaller than the size of a spray opening on the spray core in a penetrating way, the spiral water diversion seat is provided with spiral flow passages in a spiral shape around the linear flow passage, and the spiral flow passages are uniformly provided with a plurality of spiral flow passages along the circumference of the spiral water diversion seat.
Further, the check valve comprises a check valve core and a compression spring, the check valve core is arranged in the installation channel, the compression spring is arranged between the check valve core and the spray core, the compression spring is used for driving the check valve core to move away from the spray core direction, one end of the check valve core, which is away from the spray core, is provided with a conical portion, and one end of the installation channel, which is close to the first channel, is provided with a conical surface which is matched with the conical portion on the check valve core.
Further, an annular groove is formed in the outer wall of the conical part of the one-way valve core along the circumferential direction of the one-way valve core, a sealing ring is arranged in the annular groove, and the one-way valve core is in sealing contact with the conical surface of the mounting channel through the sealing ring.
Further, the end face of the quick connector is provided with a second sealing gasket, and the quick connector is in sealing connection with the valve body seat through the second sealing gasket.
The beneficial effects of the utility model are as follows: 1. the atomizing nozzle, the one-way valve, the mounting diaphragm and the puncture outfit are integrated on the same valve body seat, so that the device has small volume and compact structure, and can be mounted in a battery box only by a small space;
2. the fire extinguishing agent can not be led into the battery box under normal conditions through the sealing of the safety diaphragm, and the check valve can ensure that the channel in the valve body seat is unblocked when various dangerous cases occur in the battery box;
3. after the puncture outfit punctures the corresponding safety membrane, fire extinguishing agent can be introduced into the single battery box, the fire extinguishing effect of each battery box can be achieved, the fire extinguishing agent is saved, the protection effect is achieved on the other battery boxes, and the fire extinguishing efficiency is improved.
Drawings
Fig. 1 is a schematic view of an overall explosion structure of a nozzle of a battery box according to an embodiment of the present application.
Fig. 2 is a schematic view showing the internal structure of a nozzle of a battery box and the flow direction of fire extinguishing agent according to an embodiment of the present application.
1, A valve body seat; 2. a one-way valve core; 3. a compression spring; 4. a spiral water diversion seat; 5. spraying cores; 6. a first sealing gasket; 7. a flange gasket; 8. installing a screw; 9. a second sealing gasket; 10. a security membrane; 11. a quick connector; 12. a puncture device.
Detailed Description
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
The embodiment of the application discloses an active start type battery box nozzle suitable for a battery PACK, which comprises a valve body seat 1, a nozzle, a one-way valve, a quick connector 11 and a puncture outfit 12, and is disclosed with reference to figures 1 and 2. Wherein, first passageway and installation passageway have been seted up to the inside of valve body seat 1, and the both ends straight line of first passageway runs through valve body seat 1, and the installation passageway is connected perpendicularly at the middle part of first passageway and communicates with first passageway, and the one end that the installation passageway kept away from first passageway runs through valve body seat 1. The quick connector 11 and the puncture device 12 are coaxially arranged at two ends of the first channel respectively, the quick connector 11 is used for externally connecting a main fire extinguishing agent pipeline, the safety membrane 10 is coaxially arranged in the quick connector 11, and the puncture device 12 can extend into a puncture needle in the valve body seat 1 through electric control so as to puncture the safety membrane 10 in the quick connector 11. The nozzle is arranged at one end of the installation channel far away from the first channel and is used for atomizing and spraying fire extinguishing agent. A one-way valve is mounted between the nozzle and the first passageway for one-way flow of fire suppressant from the first passageway to the nozzle.
The quick connector 11 is connected to a fire extinguishing main pipeline network, the valve body seat 1 is integrally arranged on the battery box, the spray opening of the spray nozzle on the valve body seat 1 is directly connected to a corresponding single battery box, and the safety diaphragm 10 separates the fire extinguishing agent in the main pipeline network from the internal pipeline of the single battery box, so that the separation state is kept at ordinary times. In the embodiment of the application, the safety diaphragm 10 is made of stainless steel, the pressure resistance of the safety diaphragm 10 is 2 times greater than the design pressure of the fire extinguishing device, and the fire extinguishing agent in the main pipeline network is ensured not to be passively opened when flowing under pressure.
Further, a second sealing gasket 9 is further arranged at the end part of the quick connector 11, and the second sealing gasket 9 can be a rubber gasket. The tip of the first passageway on the valve body seat 1 is equipped with and supplies quick connector 11 male installation step, and second sealing gasket 9 is specific coaxial arrangement on the installation step, and when quick connector 11 connected on valve body seat 1, quick connector 11's tip is in second sealing gasket 9 zonulae occludens, can prevent effectively that steam, impurity etc. from getting into in the first passageway from the gap department between quick connector 11 and the first passageway to influence the fire extinguishing agent flow.
The puncture device 12 specifically adopts a puncture driver, the main body of the puncture device is fixedly connected to one end of a first channel on the valve body seat 1, a push rod of the puncture device 12 can extend into the first channel, an integrally formed puncture head is integrally processed at the end part of the push rod, and the puncture head can be any one of a needle head, a cross tool bit, a tricuspid tool bit and the like. The piercer 12 is electrically connected with a central controller of the fire extinguishing system, and when receiving a starting signal sent by the central controller, a piston rod of the piercer 12 stretches out, and a piercing head pierces a safety membrane 10 in the quick connector 11, so that a main pipeline network and a corresponding nozzle are communicated, and fire extinguishing agent is sprayed into a battery pack with thermal runaway.
In the embodiment of the application, the nozzle comprises a spray core 5, a first sealing gasket 6 and a flange gasket 7, a spray opening is arranged on the spray core 5 in a penetrating way, external threads are arranged on the outer wall of the spray core 5, internal threads are arranged on the inner wall of one end, far away from the first channel, of the installation channel, and the spray core 5 is in threaded connection with the installation channel. The first sealing gasket 6 and the flange gasket 7 are sequentially arranged on the outer side of the spraying core 5 on the valve body seat 1, through holes are formed in the first sealing gasket 6 and the flange gasket 7 in a penetrating mode, when the first sealing gasket 6 and the flange gasket 7 are installed on the valve body seat 1, the spraying holes on the spraying core 5 are communicated and connected with each other through the through holes, the fire extinguishing agent can be sprayed out smoothly, the first sealing gasket 6 can be made of rubber materials, a plurality of through holes are formed in the flange gasket 7, mounting screws 8 penetrate through the through holes of the flange gasket 7, and the mounting screws 8 are in threaded connection with the valve body seat 1. The flange gasket 7 is clamped to the end surface of the valve body seat 1 by tightening the mounting screw 8, thereby sealing the gap around the spray core 5.
In order to spray dense and uniform fire extinguishing agent, an installation cavity is formed in one end, close to the first channel, of the spray core 5, and a spiral water diversion seat 4 is fixedly connected in the installation cavity. The inside of the spiral water diversion seat 4 coaxially penetrates through a straight-line flow passage with the size smaller than the size of a spray opening on the spray core 5, the spiral water diversion seat 4 is provided with spiral flow passages in a spiral shape around the straight-line flow passage, and the spiral flow passages are uniformly provided with a plurality of spiral flow passages along the circumferential direction of the spiral water diversion seat 4. Through when the fire extinguishing agent passes through the spiral water diversion seat 4, the fire extinguishing agent passing through the spiral flow passage impacts the fire extinguishing agent passing through the straight flow passage in the middle part of the spiral water diversion seat 4 in different directions, so that the collision of the fire extinguishing agent in the installation cavity is increased, and the atomization effect on the fire extinguishing agent is accelerated.
In the embodiment of the application, the one-way valve comprises a one-way valve core 2 and a compression spring 3, the one-way valve core 2 is arranged in a mounting channel, the compression spring 3 is arranged between the one-way valve core 2 and a spray core 5, the compression spring 3 is used for driving the one-way valve core 2 to move away from the spray core 5, one end of the one-way valve core 2 away from the spray core 5 is provided with a conical part in a conical shape, and one end of the mounting channel, which is close to a first channel, is provided with a conical surface which is matched with the conical part on the one-way valve core 2.
The outer wall of the conical part of the unidirectional valve core 2 is provided with a ring groove along the circumferential direction, a sealing ring is arranged in the ring groove, and the unidirectional valve core 2 is in sealing contact with the conical surface of the installation channel through the sealing ring. Through setting up the check valve, can effectively avoid battery box work and when the fire to blow into impurity in the box valve body seat 1 in order to cause the jam and damage such as quick connector 11, valve body seat 1, puncture ware 12.
The embodiment of the application discloses an implementation principle of an active start type battery box nozzle suitable for an energy storage system battery PACK, which comprises the following steps: when the individual battery boxes are overheated and fire occurs, the puncture device 12 on the battery box nozzle corresponding to the fire battery box is started by receiving a signal, the opposite safety membrane 10 in the quick connector 11 is punctured, the nozzle is communicated with a main fire extinguishing agent pipeline, the fire extinguishing agent flows into the valve body seat 1 from the quick connector 11, the liquid under pressure pushes the one-way valve to open, the action leading to the nozzle is opened, and the fire extinguishing agent is atomized and sprayed out from the spray opening of the spray core 5 after passing through the spiral water diversion seat 4 to cool and extinguish the fire in the battery boxes.
It will be apparent to those skilled in the art that while preferred embodiments of the present utility model have been described, additional variations and modifications may be made to these embodiments once the basic inventive concepts are known to those skilled in the art. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model. It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (6)
1. An initiative start-up type battery box nozzle suitable for energy storage system battery PACK, its characterized in that: comprising the following steps:
The valve body seat (1) is internally provided with a first channel in a penetrating way, the valve body is internally provided with a mounting channel, one end of the mounting channel is communicated with the first channel, and the other end of the mounting channel penetrates through the valve body;
The nozzle is arranged at one end of the installation channel in the valve body, which is far away from the first channel, and is used for atomizing and spraying fire extinguishing agent;
A check valve disposed in the installation passage and between the nozzle and the first passage for making the fire extinguishing agent flow unidirectionally from the first passage to the nozzle;
The quick connector (11) is connected to one end of the first channel on the valve body seat (1), the quick connector (11) is used for externally connecting a fire extinguishing agent pipeline, and a safety diaphragm (10) is coaxially and fixedly arranged in the quick connector (11);
The piercer (12) is connected to the other end of the first channel on the valve body seat (1), and the piercer (12) is used for piercing the safety membrane (10) in the quick connector (11) after starting.
2. The active start type battery box nozzle suitable for the energy storage system battery PACK according to claim 1, wherein the nozzle comprises a spray core (5), a first sealing gasket (6) and a flange gasket (7), the spray core (5) is in threaded connection with the end part of a mounting channel, a spray opening is formed in the spray core (5) in a penetrating mode, the first sealing gasket (6) and the flange gasket (7) are sequentially arranged on the outer side of the spray core (5) on the valve body seat (1), and the flange gasket (7) is fixedly connected with the valve body seat (1) through a plurality of mounting screws (8).
3. The active start type battery box nozzle suitable for the battery PACK of the energy storage system according to claim 2, wherein an installation cavity is formed at one end of the spray core (5) close to the first channel, and a spiral water diversion seat (4) is fixedly connected in the installation cavity;
The spiral water diversion seat (4) is internally and coaxially provided with a linear flow passage with the size smaller than the size of a spray opening on the spray core (5), the spiral water diversion seat (4) is provided with spiral flow passages in a spiral shape around the linear flow passage, and the spiral flow passages are uniformly provided with a plurality of spiral flow passages along the circumferential direction of the spiral water diversion seat (4).
4. The active start type battery box nozzle suitable for the battery PACK of the energy storage system according to claim 2, wherein the one-way valve comprises a one-way valve core (2) and a compression spring (3), the one-way valve core (2) is arranged in an installation channel, the compression spring (3) is arranged between the one-way valve core (2) and the spray core (5), the compression spring (3) is used for driving the one-way valve core (2) to move towards a direction away from the spray core (5), one end, away from the spray core (5), of the one-way valve core (2) is provided with a conical portion, and one end, close to the first channel, of the installation channel is provided with a conical surface matched with the conical portion on the one-way valve core (2).
5. The active start type battery box nozzle suitable for the battery PACK of the energy storage system according to claim 4, wherein the outer wall of the conical part of the unidirectional valve core (2) is provided with a ring groove along the circumferential direction of the outer wall, a sealing ring is arranged in the ring groove, and the unidirectional valve core (2) is in sealing contact with the conical surface of the installation channel through the sealing ring.
6. The active start type battery box nozzle suitable for the battery PACK of the energy storage system according to claim 2, wherein a second sealing gasket (9) is arranged on the end face of the quick connector (11), and the quick connector (11) is in sealing connection with the valve body seat (1) through the second sealing gasket (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322646641.1U CN220967936U (en) | 2023-09-28 | 2023-09-28 | Active start type battery box nozzle applicable to energy storage system battery PACK |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322646641.1U CN220967936U (en) | 2023-09-28 | 2023-09-28 | Active start type battery box nozzle applicable to energy storage system battery PACK |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220967936U true CN220967936U (en) | 2024-05-17 |
Family
ID=91036921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322646641.1U Active CN220967936U (en) | 2023-09-28 | 2023-09-28 | Active start type battery box nozzle applicable to energy storage system battery PACK |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220967936U (en) |
-
2023
- 2023-09-28 CN CN202322646641.1U patent/CN220967936U/en active Active
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