CN219355152U

CN219355152U - Built-in fire extinguishing device of energy storage battery module

Info

Publication number: CN219355152U
Application number: CN202320417140.3U
Authority: CN
Inventors: 徐凡席; 孟志豪
Original assignee: Shanghai Neotec Fire Protection Equipment Co ltd
Current assignee: Shanghai Neotec Fire Protection Equipment Co ltd
Priority date: 2023-03-08
Filing date: 2023-03-08
Publication date: 2023-07-18
Anticipated expiration: 2033-03-08

Abstract

The utility model discloses a built-in fire extinguishing device of an energy storage battery module, which comprises a driving gas buffer tank, an integrated block and a fire extinguishing agent storage tank, wherein a flow channel is arranged on the integrated block; a siphon pipe is arranged in the fire extinguishing agent storage tank, and an air pipe quick connector is arranged at the siphon pipe of the integrated block; a rupture disk is arranged between the siphon tube and the quick plug of the air tube. According to the utility model, the fire extinguishing device adopts a pressure-storage-free design, and the gas storage device is not required to be checked periodically to determine whether the pressure in the fire extinguishing device is reduced.

Description

Built-in fire extinguishing device of energy storage battery module

Technical Field

The utility model relates to the technical field related to lithium battery fire extinguishment, in particular to a fire extinguishing device with an energy storage battery module.

Background

The lithium iron phosphate battery is used as a novel energy storage medium and has very high energy storage density, but because of the production process or equipment failure and other reasons, the lithium iron phosphate battery can generate thermal runaway during charging and discharging to cause fire disaster.

In the energy storage prefabricated cabins with densely arranged battery clusters in the large energy storage system, the total submerged fire extinguishing system cannot timely cope with fire disasters inside the battery boxes, and when the system responds, the fire disasters often break through the battery boxes and spread to the battery clusters, so that the dangerous degree of the fire disasters is increased. The externally-hung fire-fighting equipment for the small energy storage system has the problems of high cost, no position installation, incapability of being integrated with the energy storage system, and the like.

Therefore, to avoid a variety of problems, energy storage systems require fire extinguishing devices that can be placed within lithium battery boxes.

Disclosure of Invention

The utility model aims to provide a fire extinguishing device with an energy storage battery module, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the built-in fire extinguishing device of the energy storage battery module comprises a driving gas buffer tank, an integrated block and a fire extinguishing agent storage tank, wherein a flow channel is arranged on the integrated block, a plug is arranged at one end of the flow channel, the driving gas buffer tank and the fire extinguishing agent storage tank are arranged at one side of the integrated block, the driving gas buffer tank and the fire extinguishing agent storage tank are both connected with the flow channel, a solid gas generator is arranged at one end of the driving gas buffer tank, and a one-way valve communicated with the flow channel is arranged in the driving gas buffer tank;

a siphon pipe is arranged in the fire extinguishing agent storage tank, and an air pipe quick connector is arranged at the siphon pipe of the integrated block; a rupture disk is arranged between the siphon tube and the quick plug of the air tube.

Preferably, a signal feedback device extending to the flow channel is arranged on the outer side of the integrated block.

Preferably, the solid-state gas generator is connected with a temperature-sensing magnetic power generation device.

Preferably, the quick-connection plug of the air pipe is connected with a pipe-type spray head through a PA hose.

Preferably, the fire extinguishing agent storage tank further comprises a support, and the driving gas buffer tank, the integrated block and the fire extinguishing agent storage tank are all installed on the support.

Preferably, the 0-shaped ring is arranged at the joint of the driving gas buffer tank and the integrated block, and the 0-shaped ring is arranged at the joint of the fire extinguishing agent storage tank and the integrated block.

Compared with the prior art, the utility model has the beneficial effects that:

1. maintenance-free: the fire extinguishing device adopts a pressure-storage-free design, and the need of periodically checking whether the pressure in the fire extinguishing device is reduced or not to the gas storage device is avoided.

2. Reliability: the solid gas generator is used as a driving source, so that the risk of gas leakage is avoided, and the condition that the fire extinguishing agent outlet cannot be opened due to power failure or faults of similar electrical equipment is avoided by adopting the rupture disk to seal the fire extinguishing agent outlet.

3. Is convenient for installation: the main components of the fire extinguishing device are integrated and are miniaturized, so that the device is convenient to install in the battery box, and the difficulty of installation and the required professional skill level are reduced by adopting the air pipe quick connector between the device main body and the spray head.

4. Effectiveness is as follows: the fire extinguishing device adopts the tubular atomizing nozzle, so that the nozzle can be arranged along the wall of the battery box, and meanwhile, the atomizer designed on the nozzle can quickly gasify the fire extinguishing agent, so that the fire extinguishing device can extinguish fire better.

5. Redundancy design: the fire extinguishing device is additionally provided with the temperature sensing magnetic power generation device, so that the fire extinguishing device can also protect the lithium battery box under the condition of power failure such as transportation or main power failure of the lithium battery box, and all-weather fire extinguishing guarantee is achieved.

6. The gas and the fire extinguishing agent storage container are separated, so that residues generated during gas production of the solid gas generator can be left in the buffer tank, and the residues can not directly enter the fire extinguishing agent storage container and finally enter the battery box together to cause adverse effects; meanwhile, the temperature of the high-temperature nitrogen just generated can be reduced to a certain extent.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

fig. 1 is a schematic structural view of the present utility model.

In the figure: 1. a solid state gas generator; 2. a driving gas buffer tank; 3. a one-way valve; 4. a type 0 circle; 5. a plug; 6. an integrated block; 7. a signal feedback device; 8. a quick connector for air pipes; 9. a bracket; 10. rupture disk; 11. a siphon tube; 12. a fire extinguishing agent storage tank; 13. a PA hose; 14. a tubular spray head; 15. a temperature-sensing magnetic power generation device.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Referring to fig. 1, in the embodiment of the utility model, a fire extinguishing device with a built-in energy storage battery module comprises a driving gas buffer tank 2, an integrated block 6 and a fire extinguishing agent storage tank 12, wherein a flow channel is arranged on the integrated block 6, a plug 5 is arranged at one end of the flow channel of the integrated block 6, the driving gas buffer tank 2 and the fire extinguishing agent storage tank 12 are arranged at one side of the integrated block 6, the driving gas buffer tank 2 and the fire extinguishing agent storage tank 12 are both connected with the flow channel, a solid gas generator 1 is arranged at one end of the driving gas buffer tank 2, and a one-way valve 3 communicated with the flow channel is arranged in the driving gas buffer tank 2 of the integrated block 6; a siphon pipe 11 is arranged in the fire extinguishing agent storage tank 12 of the integrated block 6, and a quick air pipe plug-in connector 8 is arranged at the position of the siphon pipe 11 of the integrated block 6; a rupture disk 10 is arranged between the siphon tube 11 and the quick tracheal plug 8; a signal feedback device 7 extending to the flow channel is arranged on the outer side of the integrated block 6; the solid-state gas generator 1 is connected with a temperature-sensing magnetic power generation device 15; the air pipe quick connector 8 is connected with a pipe type spray head 14 through a PA hose 13; the driving gas buffer tank 2, the integrated block 6 and the fire extinguishing agent storage tank 12 are all arranged on the bracket 9; the 0-shaped ring 4 is arranged at the joint of the driving gas buffer tank 2 and the integrated block 6, and the 0-shaped ring 4 is arranged at the joint of the fire extinguishing agent storage tank 12 and the integrated block 6.

Maintenance-free: the fire extinguishing device adopts a pressure-storage-free design, and the gas storage device is not required to be checked periodically to determine whether the pressure in the fire extinguishing device is reduced; reliability: the solid gas generator is used as a driving source, so that the risk of gas leakage is avoided, and the condition that the fire extinguishing agent outlet cannot be opened due to power failure or faults of similar electrical equipment is avoided by adopting the rupture disk to seal the fire extinguishing agent outlet. Is convenient for installation: the main components of the fire extinguishing device are integrated and miniaturized, so that the device is convenient to install in a battery box, and an air pipe quick connector is adopted between the device main body and the spray head, so that the difficulty of installation and the required professional skill level are reduced; effectiveness is as follows: the fire extinguishing device adopts the tubular atomizing nozzle, so that the nozzle can be arranged along the wall of the battery box, and meanwhile, the atomizer designed on the nozzle can quickly gasify the fire extinguishing agent, so that the fire extinguishing device can extinguish fire better; redundancy design: the temperature sensing magnetic power generation device is additionally arranged on the fire extinguishing device, so that the fire extinguishing device can protect the lithium battery box under the condition of power failure such as transportation or main power failure of the lithium battery box, and all-weather fire extinguishing guarantee is achieved; the gas and the fire extinguishing agent storage container are separated, so that residues generated during gas production of the solid gas generator can be left in the buffer tank, and the residues can not directly enter the fire extinguishing agent storage container and finally enter the battery box together to cause adverse effects; meanwhile, the temperature of the high-temperature nitrogen just generated can be reduced to a certain extent.

The working principle of the utility model is as follows: the solid gas generator forms nitrogen in the driving gas buffer tank, the nitrogen enters the fire extinguishing agent storage tank through a flow channel in the integrated block, the pressure in the fire extinguishing agent storage tank rises, the rupture disk is opened, and the fire extinguishing agent is sprayed out of the tubular spray head after passing through the siphon, the rupture disk, the quick air pipe plug and the PA hose;

the temperature sensing magnetic power generation device is additionally arranged on the fire extinguishing device, so that the fire extinguishing device can protect the lithium battery box under the condition of power failure such as transportation or main power failure of the lithium battery box, and all-weather fire extinguishing guarantee is achieved; the gas and the fire extinguishing agent storage container are separated, so that residues generated during gas production of the solid gas generator can be left in the buffer tank, and the residues can not directly enter the fire extinguishing agent storage container and finally enter the battery box together to cause adverse effects; meanwhile, the temperature of the high-temperature nitrogen just generated can be reduced to a certain extent.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An energy storage battery module embeds extinguishing device, its characterized in that: the fire extinguishing agent storage tank comprises a driving gas buffer tank (2), an integrated block (6) and a fire extinguishing agent storage tank (12), wherein a flow channel is arranged in the integrated block (6), a plug (5) is arranged at one end of the flow channel, the driving gas buffer tank (2) and the fire extinguishing agent storage tank (12) are arranged at one side of the integrated block (6), the driving gas buffer tank (2) and the fire extinguishing agent storage tank (12) are both connected with the flow channel, a solid-state gas generator (1) is arranged at one end of the driving gas buffer tank (2), and a one-way valve (3) communicated with the flow channel is arranged in the driving gas buffer tank (2) of the integrated block (6);

a siphon pipe (11) is arranged in the fire extinguishing agent storage tank (12) of the integrated block (6), and a quick gas pipe plug connector (8) is arranged at the siphon pipe (11) of the integrated block (6); a rupture disk (10) is arranged between the siphon (11) and the quick connector (8) of the air pipe.

2. The fire extinguishing device with built-in energy storage battery module according to claim 1, wherein: and a signal feedback device (7) extending to the flow channel is arranged on the outer side of the integrated block (6).

3. The fire extinguishing device with built-in energy storage battery module according to claim 1, wherein: the solid gas generator (1) is connected with a temperature-sensing magnetic power generation device (15).

4. The fire extinguishing device with built-in energy storage battery module according to claim 1, wherein: the air pipe quick connector (8) is connected with a pipe type spray head (14) through a PA hose (13).

5. The fire extinguishing device with built-in energy storage battery module according to claim 1, wherein: still include support (9), drive gas buffer tank (2), integrated circuit (6) and fire extinguishing agent holding vessel (12) are all installed on support (9).

6. The fire extinguishing device with built-in energy storage battery module according to claim 1, wherein: the fire extinguishing agent storage tank is characterized in that a 0-shaped ring (4) is arranged at the joint of the driving gas buffer tank (2) and the integrated block (6), and the 0-shaped ring (4) is arranged at the joint of the fire extinguishing agent storage tank (12) and the integrated block (6).