Non-pressure-storage type fire extinguishing device

Abstract

The utility model relates to the technical field of fire extinguishing, and discloses a non-pressure-storage type fire extinguishing device which comprises a storage device, a starting assembly, a spraying assembly and a siphon pipe are installed on the storage device, the spraying assembly comprises a spraying head and a filling connector, the filling connector is fixed on a shell of the storage device, and the lower end of the filling connector extends into the storage device and is connected with the siphon pipe; a valve core is installed at the lower end of the filling connector, a top seat is installed at the upper end of the filling connector, the spray head drives the top seat to eject the valve core open, a channel is formed in the top seat, and a membrane used for blocking the channel is arranged between the top seat and the spray head. The starting assembly generates high-pressure gas to spray out the fire extinguishing agent from the spraying assembly, the structure of the fire extinguishing device is simplified, the fire extinguishing agent filling efficiency and the fire extinguishing agent spraying efficiency are improved, a powerful guarantee is provided for fire safety, the signal feedback assembly is further installed, work of the fire extinguishing device is fed back in time, and the fire extinguishing effect is improved. And the sensitivity and the safety are greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fire fighting and fire extinguishing, in particular to a non-pressure storage type fire extinguishing device. Background Art

[0002] Risk control of lithium-ion power batteries in electric vehicles has become a key concern for public safety and end consumers, so prolonging the heat diffusion during thermal runaway and protecting the personal and property safety of passengers are important for the existence of our fire extinguishing devices. Compared with hexafluoropropane, aerosol and other fire extinguishing media, perfluorohexanone has the characteristics of low fire extinguishing concentration, high fire extinguishing efficiency, high safety factor, non-conductivity, and no residue; as gaseous fire extinguishing agents such as heptafluoropropane and hexafluoropropane will cause damage to the ozone layer, their use is increasingly strictly restricted, and the use of perfluorohexanone fire extinguishing agents with good environmental performance will become more and more widespread.

[0003] The utility model patent with application number CN202320898391.8 discloses a perfluorohexanone fire extinguishing device, including a fire extinguishing container and an expansion component. The fire extinguishing container has a accommodating chamber filled with liquid fire extinguishing agent, and the fire extinguishing container is provided with a nozzle. A sealing film is provided at the edge of the nozzle, and the sealing film breaks when subjected to pressure; the expansion component includes a storage pipe, a gas-generating agent, and an ignition component. The storage pipe is arranged in the accommodating chamber, and one end is connected to the inner wall of the accommodating chamber. The storage pipe is placed in the accommodating chamber and is provided with a flexible film at one end. The gas-generating agent is filled in the storage pipe, and the ignition component is arranged in the storage pipe, and one end extends out of the fire extinguishing container; the gas generated by the gas-generating agent is ignited by the ignition component, and the gas expands toward the accommodating chamber through the flexible membrane, and the liquid fire extinguishing agent in the accommodating chamber breaks through the sealing film and is ejected from the nozzle. The above-mentioned fire extinguishing device has a complex structure, and the spraying of the fire extinguishing agent is not sensitive enough. Utility Model Content

[0004] The utility model aims at the shortcomings of the prior art and provides a non-pressure storage type fire extinguishing device.

[0005] In order to solve the above technical problems, the utility model is solved by the following technical solutions:

[0006] A non-pressure storage type fire extinguishing device comprises a storage device, on which a starting assembly for generating high-pressure gas, an injection assembly for injecting a fire extinguishing agent and a siphon for conveying the fire extinguishing agent are installed, wherein the starting assembly and the injection assembly are arranged at the same end of the storage device.

[0007] The injection assembly includes a nozzle and a filling joint, the filling joint is fixed on the storage housing, the lower end of the filling joint extends into the storage and is connected to the siphon;

[0008] A valve core is installed at the lower end of the filling joint, and a top seat is installed at the upper end of the filling joint. The nozzle is fastened to the upper end of the filling joint and drives the top seat to open the valve core. A channel for conveying fire extinguishing agent is provided on the top seat, and a diaphragm for blocking the channel is provided between the top seat and the nozzle.

[0009] Preferably, the injection assembly further comprises a diaphragm gasket, which is arranged above the diaphragm, and the nozzle is connected to the filling joint and presses the diaphragm gasket against the diaphragm.

[0010] Preferably, a top block is installed at the lower end of the top seat, and a first through hole communicating with the channel is provided on the top block. The top seat opens the valve core through the top block, and the channel is communicated with the siphon tube.

[0011] Preferably, a groove is provided at the lower end of the top seat, a top block is installed in the groove, there are multiple first through holes, and all the first through holes are connected to the channel.

[0012] Preferably, a first sealing ring is provided on the top of the top seat, the diaphragm is placed on the first sealing ring, a second sealing ring is provided on the side of the top seat, and the top seat is sealed and mounted on the filling joint through the second sealing ring.

[0013] Preferably, the starting assembly includes a starting base, a pressure ring and a gas producing part for generating high-pressure gas, the starting base is fixed on the storage housing, the gas producing part is installed on the starting base and extends into the storage, and the pressure ring is fastened to the starting base and presses the gas producing part against the starting base.

[0014] Preferably, the memory is also equipped with a signal feedback component for detecting pressure changes therein, the signal feedback component includes a signal feedback base and a detector, the signal feedback base is fixed on the memory housing, the bottom of the signal feedback base is provided with a second through hole connected to the memory, the detector is installed in the signal feedback base and feeds back the pressure in the memory through the second through hole.

[0015] Preferably, the detector includes a contact switch, a spring and a signal feedback pin, which are installed in a signal feedback base, the contact switch is installed at the upper end of the signal feedback base, and the spring is arranged between the contact switch and the signal feedback pin.

[0016] Preferably, a spring seat is fixed in the signal feedback base, one end of the spring is supported on the signal feedback ejector pin, and the other end is supported on the spring seat, and a third through hole is provided on the spring seat for the upper end of the signal feedback ejector pin to extend out.

[0017] The utility model has significant technical effects due to the adoption of the above technical scheme: the utility model installs a starting component and a spraying component on the storage device, and the starting component generates high-pressure gas to spray the fire extinguishing agent from the spraying component, thereby simplifying the structure of the fire extinguishing device, and the efficiency of filling and spraying the fire extinguishing agent is improved, providing a strong guarantee for fire safety, and is also installed in a signal feedback component, so that the work of the fire extinguishing device is fed back in time, greatly improving the sensitivity and safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model.

[0019] Figure 2 It is a schematic diagram of the structure of the injection assembly.

[0020] Figure 3 It is a schematic diagram of the structure of the startup component.

[0021] Figure 4 It is a structural diagram of the signal feedback component.

[0022] The names of the parts indicated by the numerical labels in the above drawings are as follows: 1—memory, 2—starting assembly, 5—starting base, 6—pressure ring, 7—signal feedback base, 701—second through hole, 8—contact switch, 9—spring seat, 901—third through hole, 10—spring, 12—signal feedback ejector pin, 13—nozzle, 14—diaphragm gasket, 15—first sealing ring, 16—top seat, 1601—channel, 1602—groove, 17—second sealing ring, 18—top block, 1801—first through hole, 19—valve core, 20—filling joint, 21—siphon, 22—injection assembly, 23—diaphragm, 24—gas producing part, 25—signal feedback assembly, 26—detector. DETAILED DESCRIPTION

[0023] The following is combined with Figure 1-4 The utility model is further described in detail with examples.

[0024] Example 1

[0025] A non-pressure storage type fire extinguishing device comprises a storage device 1. In this embodiment, the storage device 1 can be filled with perfluorohexanone fire extinguishing agent. A starting component 2 for generating high-pressure gas, a spraying component 22 for spraying the fire extinguishing agent, and a siphon 21 for conveying the fire extinguishing agent are installed on the storage device 1. The starting component 2 and the spraying component 22 are arranged at the same end of the storage device 1. The spraying component 22 comprises a nozzle 13 and a filling connector 20. The filling connector 20 is fixed on the housing of the storage device 1. The lower end of the filling connector 20 extends into the storage device 1 and is connected to the siphon 21. In this embodiment, the nozzle 13 is used to spray the fire extinguishing agent.

[0026] The lower end of the filling connector 20 is provided with a valve core 19, the upper end of the filling connector 20 is provided with a top seat 16, the nozzle 13 is fastened to the upper end of the filling connector 20 and drives the top seat 16 to push open the valve core 19, the top seat 16 is provided with a channel 1601 for conveying the fire extinguishing agent, and a diaphragm 23 for blocking the channel 1601 is provided between the top seat 16 and the nozzle 13. In this embodiment, the nozzle 13 is rotated and tightened to press the top seat 16 and push open the valve core 19. When not in use, the nozzle 13 is disassembled, the valve core 19 is automatically locked, and the fire extinguishing agent can be filled into the storage 1 through the valve core 19. When filling, the top seat 16 is taken out, and after filling, the top seat 16 is installed again.

[0027] A top block 18 is installed at the lower end of the top seat 16. The top block 18 is provided with a first through hole 1801 connected to the channel 1601. The top seat 16 opens the valve core 19 through the top block 18, and the channel 1601 is connected to the siphon 21. In this embodiment, the channel 1601 and the first through hole 1801 are used for spraying the fire extinguishing agent.

[0028] A groove 1602 is formed at the lower end of the top seat 16 , and the top block 18 is installed in the groove 1602 . There are multiple first through holes 1801 . In this embodiment, there are three first through holes 1801 , and all the first through holes 1801 are connected to the channel 1601 .

[0029] A first sealing ring 15 is provided on the top of the top seat 16, and the diaphragm 23 is placed on the first sealing ring 15. A second sealing ring 17 is provided on the side of the top seat 16, and the top seat 16 is sealed and mounted on the filling connector 20 through the second sealing ring 17. In this embodiment, the first sealing ring 15 and the second sealing ring 17 are used for sealing inside the injection assembly 22.

[0030] The starting assembly 2 includes a starting base 5, a pressure ring 6 and a gas producing part 24 for generating high-pressure gas. The starting base 5 is fixed on the housing of the storage 1. The gas producing part 24 is installed on the starting base 5 and extends into the storage 1. The pressure ring 6 is fastened to the starting base 5 and presses the gas producing part 24 against the starting base 5. In this embodiment, gunpowder is loaded into the starting assembly 2. After the starting assembly 2 is started, high-pressure gas is generated, which squeezes the fire extinguishing agent in the storage 1 through the siphon 21, the valve core 19, the first through hole 1801 and the channel 1601, and then breaks the diaphragm 23 and sprays it out from the nozzle 13.

[0031] Working principle: The nozzle 13 in the fire extinguishing device is rotated and tightened to press the top seat 16 and push open the valve core 19. When not in use, the nozzle 13 is removed and the valve core 19 is automatically locked. The fire extinguishing agent can be filled into the storage 1 through the valve core 19. The top seat 16 is taken out during filling, and then the top seat 16 is installed after filling; gunpowder is loaded into the starting component 2. After the starting component 2 is started, high-pressure gas will be generated, which squeezes the fire extinguishing agent in the storage 1 through the siphon 21, the valve core 19, the first through hole 1801 and the channel 1601, and then breaks the diaphragm 23 and sprays it out from the nozzle 13.

[0032] Example 2

[0033] The difference between the second embodiment and the first embodiment is that the injection assembly 22 further includes a diaphragm gasket 14, which is arranged above the diaphragm 23, and the nozzle 13 is connected to the filling joint 20 and presses the diaphragm gasket 14 against the diaphragm 23. In this embodiment, when the top seat 16 is taken out during filling, the diaphragm gasket 14 and the diaphragm 23 are also taken out together.

[0034] Example 3

[0035] The difference between Example 3 and Example 1 is that: the storage 1 is also equipped with a signal feedback component 25 for detecting the pressure change therein, the signal feedback component 25 includes a signal feedback base 7 and a detector 26, the signal feedback base 7 is fixed on the housing of the storage 1, the bottom of the signal feedback base 7 is provided with a second through hole 701 connected to the storage 1, and the detector 26 is installed in the signal feedback base 7 and feeds back the pressure in the storage 1 through the second through hole 701. In this embodiment, the signal feedback component 25 is used to feed back whether pressure is generated in the storage 1.

[0036] The detector 26 includes a contact switch 8, a spring 10 and a signal feedback pin 12. The contact switch 8, the spring 10 and the signal feedback pin 12 are installed in the signal feedback base 7. The contact switch 8 is installed at the upper end of the signal feedback base 7, and the spring 10 is arranged between the contact switch 8 and the signal feedback pin 12.

[0037] A spring seat 9 is fixed in the signal feedback base 7. One end of the spring 10 is supported on the signal feedback ejector pin 12, and the other end is supported on the spring seat 9. The spring seat 9 is provided with a third through hole 901 for the upper end of the signal feedback ejector pin 12 to extend out.

Claims

1. A non-pressure storage type fire extinguishing device, comprising a storage device (1), on which a starting assembly (2) for generating high-pressure gas, a spray assembly (22) for spraying a fire extinguishing agent, and a siphon (21) for conveying the fire extinguishing agent are mounted, wherein the starting assembly (2) and the spray assembly (22) are arranged at the same end of the storage device (1), characterized in that: The injection assembly (22) comprises a nozzle (13) and a filling connector (20), wherein the filling connector (20) is fixed to the housing of the storage device (1), and the lower end of the filling connector (20) extends into the storage device (1) and is connected to the siphon tube (21); A valve core (19) is installed at the lower end of the filling joint (20), a top seat (16) is installed at the upper end of the filling joint (20), the nozzle (13) is fastened to the upper end of the filling joint (20) and drives the top seat (16) to push open the valve core (19), a channel (1601) for conveying a fire extinguishing agent is provided on the top seat (16), and a diaphragm (23) for blocking the channel (1601) is provided between the top seat (16) and the nozzle (13).

2. The non-pressure storage type fire extinguishing device according to claim 1 is characterized in that: The injection assembly (22) further comprises a diaphragm gasket (14), which is arranged above the diaphragm (23). The injection head (13) is connected to the filling joint (20) and presses the diaphragm gasket (14) onto the diaphragm (23).

3. The non-pressure storage type fire extinguishing device according to claim 1 is characterized in that: A top block (18) is installed at the lower end of the top seat (16), and a first through hole (1801) communicating with the channel (1601) is provided on the top block (18). The top seat (16) pushes open the valve core (19) through the top block (18), and the channel (1601) is communicated with the siphon tube (21).

4. The non-pressure storage type fire extinguishing device according to claim 3 is characterized in that: A groove (1602) is provided at the lower end of the top seat (16), and a top block (18) is installed in the groove (1602). There are a plurality of first through holes (1801), and all the first through holes (1801) are connected to the channel (1601).

5. The non-pressure storage type fire extinguishing device according to claim 1 is characterized in that: A first sealing ring (15) is provided on the top of the top seat (16), a diaphragm (23) is placed on the first sealing ring (15), a second sealing ring (17) is provided on the side of the top seat (16), and the top seat (16) is sealed and installed on the filling joint (20) through the second sealing ring (17).

6. The non-pressure storage type fire extinguishing device according to claim 1, characterized in that: The starting assembly (2) comprises a starting base (5), a pressure ring (6) and a gas producing member (24) for generating high-pressure gas. The starting base (5) is fixed on the housing of the storage device (1). The gas producing member (24) is mounted on the starting base (5) and extends into the storage device (1). The pressure ring (6) is fastened to the starting base (5) and presses the gas producing member (24) against the starting base (5).

7. The non-pressure storage type fire extinguishing device according to claim 1 is characterized in that: The storage device (1) is also provided with a signal feedback component (25) for detecting changes in pressure therein. The signal feedback component (25) comprises a signal feedback base (7) and a detector (26). The signal feedback base (7) is fixed to the housing of the storage device (1). A second through hole (701) communicating with the storage device (1) is provided at the bottom of the signal feedback base (7). The detector (26) is installed in the signal feedback base (7) and feeds back the pressure in the storage device (1) through the second through hole (701).

8. The non-pressure storage type fire extinguishing device according to claim 7 is characterized in that: The detector (26) comprises a contact switch (8), a spring (10) and a signal feedback pin (12); the contact switch (8), the spring (10) and the signal feedback pin (12) are installed in a signal feedback base (7); the contact switch (8) is installed at the upper end of the signal feedback base (7); and the spring (10) is arranged between the contact switch (8) and the signal feedback pin (12).

9. The non-pressure storage type fire extinguishing device according to claim 8, characterized in that: A spring seat (9) is fixed inside the signal feedback base (7), one end of the spring (10) is supported on the signal feedback ejector pin (12), and the other end is supported on the spring seat (9), and a third through hole (901) is provided on the spring seat (9) for the upper end of the signal feedback ejector pin (12) to extend out.

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