CN-224207257-U - Energy storage spiral fire extinguishing device

Abstract

The utility model discloses an energy storage spiral fire extinguishing device which comprises a tube body, a nozzle and a piston, wherein the nozzle is arranged at one end of the tube body, the piston is slidably arranged in the tube body, the other end of the tube body is of a threaded locking structure, a fire extinguishing agent is stored in a space between the nozzle and the piston in the tube body, a gas generating device is arranged in the space between the piston and the threaded locking structure in the tube body, a starting device is arranged at one side, facing the piston, of the threaded locking structure, and is in signal control connection with the starting device, and the starting device is externally connected with a power supply. The utility model is convenient to install and maintain through the integrated design of the pipe body, the nozzle and the piston, and the gas generating device is connected with the starting device through signals, so that high-pressure gas is rapidly generated after receiving an electric signal to push the piston to enable the fire extinguishing agent in the pipe body to be rapidly released through the nozzle, thereby effectively inhibiting thermal runaway of the lithium battery, and simultaneously, the screw locking knot can be directly screwed into the electric box and is convenient to replace, thereby greatly reducing maintenance cost and time.

Inventors

• LI QINPING
• SI MENGZHOU
• Yang Tiewu
• LIN JINGSHUI
• CHEN TIANMING
• LIN WEI

Assignees

• 福建时代星云科技有限公司

Dates

Publication Date

20260508

Application Date

20250409

Claims (10)

1. 1. An energy-storage spiral fire extinguishing device is characterized by comprising a pipe body, a nozzle and a piston; The nozzle is arranged at one end of the pipe body, the piston is slidably arranged in the pipe body, and the other end of the pipe body is of a thread locking structure; A space between the nozzle and the piston in the pipe body stores fire-fighting agent; The gas generating device is arranged in the pipe body and positioned in a space between the piston and the thread locking structure, a starting device is arranged on one side, facing the piston, of the thread locking structure, the gas generating device is in signal control connection with the starting device, and the starting device is externally connected with a power supply.
2. 2. The energy storage spiral fire extinguishing apparatus according to claim 1, wherein the nozzle is provided at a peripheral surface of one end of the pipe body, and a spraying direction of the nozzle is perpendicular to the peripheral surface of the pipe body.
3. 3. An energy storage screw fire extinguishing device according to claim 1, wherein the piston comprises a sealing pressure relief layer and a movable extrusion device; The sealing pressure relief layer is matched with the inner wall of the pipe body, and the movable extrusion device is fixed on one side of the sealing pressure relief layer, which faces the nozzle.
4. 4. A spiral fire extinguishing device according to claim 3, wherein the sealing and pressure relief layer comprises a first sealing rubber ring and a circular stainless steel sheet; The first sealing rubber ring is arranged around the circumference of the round stainless steel sheet.
5. 5. An energy-storing screw fire extinguishing device according to claim 1, characterized in that a feedback device is also provided on the side of the screw locking structure facing the piston; the feedback device is in signal control connection with the starting device.
6. 6. The energy storage spiral fire extinguishing device according to claim 5, wherein two closed metal spring plates are arranged on one side, facing the piston, of the feedback device, an insulating plastic plate is arranged between the two closed metal spring plates, one end, facing the piston, of the insulating plastic plate is fixedly connected with the piston through a traction steel wire, and one end, facing the thread locking structure, of the insulating plastic plate is connected with the thread locking structure through a telescopic spring.
7. 7. An energy storage screw fire extinguishing device according to claim 6, wherein the feedback device is located on the axis of the tube.
8. 8. The energy-storing spiral fire extinguishing apparatus according to claim 5, wherein the starting apparatus is connected to a power source by starting an external connection; The feedback device is connected with the energy storage system main control board through a feedback external connection wire.
9. 9. An energy-storing screw fire extinguishing device according to claim 1, further comprising detection means; the detection device is arranged outside the tube body and is connected with the starting device through a detection signal wire.
10. 10. An energy storage spiral fire extinguishing device according to claim 1, wherein a second sealing rubber ring is sleeved on one end of the threaded locking structure away from the piston.

Description

Energy storage spiral fire extinguishing device Technical Field The utility model relates to the technical field of energy storage systems, in particular to an energy storage spiral fire extinguishing device. Background Along with popularization and application of new energy sources such as solar energy, wind energy and the like, the energy storage technology is also developed, and the lithium battery gradually becomes a main product of energy storage because of the advantages of high energy, long service life, high rated voltage, high power bearing capacity, low self-discharge rate, light weight, environmental protection, no water consumption basically in production and the like. The charge and discharge cycle life and the safety of the lithium ion battery are greatly affected by temperature, when the temperature of the battery core is too high or the temperature difference is large, the cycle life of the battery core can be greatly reduced, the service life of an energy storage product is influenced, and when the temperature difference is severe, the battery core can be caused to be out of control; When the battery core is out of control, the battery core generates a large amount of combustible gas, and when the content of the combustible gas reaches a certain concentration, slight sparks are very easy to explode, so that great losses of personnel and property are caused. Most fire extinguishing systems employed with energy storage battery packs are typically external pressure storage fire extinguishing systems, pump-pack fire extinguishing systems or treasured fire extinguishing systems. Because of the properties of heptafluoropropane, nitrogen and other medicaments, the external pressure-storage type gas fire extinguishing system and the pump-set type fire extinguishing system are greatly affected by temperature, the internal air pressure is easily too low in a low-temperature area, and the fire extinguishing system is in a low-pressure state, so that the effective and timely fire extinguishing work requirements of the energy storage battery Bao Re in out of control can not be met. The common treasured-type fire extinguishing system for charging is arranged in the battery pack, so that the battery pack needs to be frequently replaced due to short service life and needs to be removed during fault maintenance, and the project maintenance is not facilitated. Disclosure of utility model The utility model aims to solve the technical problems of providing the energy storage spiral fire extinguishing device which is convenient to install and maintain in the later period and effectively solves the problem of troublesome maintenance of the fire extinguishing device in the battery pack of the energy storage system. In order to solve the technical problems, the utility model adopts the following technical scheme: An energy-storage spiral fire extinguishing device comprises a pipe body, a nozzle and a piston; The nozzle is arranged at one end of the pipe body, the piston is slidably arranged in the pipe body, and the other end of the pipe body is of a thread locking structure; A space between the nozzle and the piston in the pipe body stores fire-fighting agent; The gas generating device is arranged in the pipe body and positioned in a space between the piston and the thread locking structure, a starting device is arranged on one side, facing the piston, of the thread locking structure, the gas generating device is in signal control connection with the starting device, and the starting device is externally connected with a power supply. Further, the nozzle is provided at a peripheral surface of one end of the pipe body, and a jetting direction of the nozzle is perpendicular to the peripheral surface of the pipe body. Further, the piston comprises a sealing pressure release layer and a movable extrusion device; The sealing pressure relief layer is matched with the inner wall of the pipe body, and the movable extrusion device is fixed on one side of the sealing pressure relief layer, which faces the nozzle. Further, the sealing pressure relief layer comprises a first sealing rubber ring and a round stainless steel sheet; The first sealing rubber ring is arranged around the circumference of the round stainless steel sheet. Further, a feedback device is arranged on one side of the thread locking structure, which faces the piston; the feedback device is in signal control connection with the starting device. Further, two closed metal elastic sheets are arranged on one side, facing the piston, of the feedback device, an insulating plastic sheet is arranged between the two closed metal elastic sheets, one end, facing the piston, of the insulating plastic sheet is fixedly connected with the piston through a traction steel wire, and one end, facing the thread locking structure, of the insulating plastic sheet is connected with the thread locking structure through a telescopic spring. Further, the feedback device is located o