Automatic fire extinguishing device with automatic pressurization function

By introducing a one-way nozzle, a combination of a compression sleeve and a spinning sleeve for sealing, a solenoid valve to control nitrogen flow, and a safety valve design, combined with a signal processing system, the safety hazards of long-term pressurized fire extinguishers and the inconvenience of refilling have been solved, achieving automatic pressurization and immediate response in fire extinguishing.

CN223569914UActive Publication Date: 2025-11-21CHENGDU UNIVERSITY OF TECHNOLOGY
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Patent Information

Application Number
CN202422807021.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-18
Publication Date
2025-11-21
Estimated Expiration
2034-11-18

AI Technical Summary

Technical Problem

The existing fire extinguishers pose safety hazards by being kept under pressure for extended periods, and are inconvenient to refill, prone to corrosion and leakage, which can lead to safety accidents.

Method used

The system employs a combination of one-way nozzles within the housing, a sealing system consisting of a compression sleeve and a spinning sleeve, a solenoid valve to control nitrogen flow, and a charging valve and safety valve design. Combined with a signal processing system, it achieves automatic pressurization and safe depressurization of the extinguishing agent, and responds in real time via a fire smoke detector.

Benefits of technology

It improves the sealing and safety of fire extinguishers, reduces the danger of pressurization, enhances the convenience of filling, and ensures that fire extinguishers can respond immediately in the event of a fire.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of fire extinguishing devices, in particular to an automatic fire extinguishing device capable of automatically pressurizing. According to the scheme, a one-way nozzle is arranged above a box body, a pressing sleeve is arranged on the inner wall of the one-way nozzle, a spinning sleeve is arranged above the pressing sleeve, a sealing film and a sealing pressing piece are arranged at the connecting position of the fire extinguisher nozzle, and an electromagnetic valve is installed on a connecting guide pipe between a fire extinguishing agent storage box body and a nitrogen storage box body. The fire smoke detector receives instructions from the control circuit board, the inflation valve is arranged on the box body for storing nitrogen, the safety valve is installed on the opposite side of the inflation valve, the control circuit board and the signal receiving module are installed on the box body, and the fire smoke detector transmits signals to the control circuit board through the signal receiving module after detecting abnormity. The control circuit board controls the electromagnetic valve to be opened, nitrogen enters the box body for storing the water-based fire extinguishing agent through the connecting guide pipe, and the water-based fire extinguishing agent is sprayed from the one-way nozzle through the siphon under the pressure difference. The utility model is suitable for the automatic fire extinguishing device.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a field of fire extinguishing device, concretely relates to an automatic fire extinguishing device of automatic pressurization. BACKGROUND

[0002] Ordinary fire extinguisher is usually composed of a simple body containing pressurized fire extinguishing medium, and siphon, spray hose, handle, pressure handle, pressure indicator, head or valve and other components, and the spray process is only a few seconds or tens of seconds during use, and the simple body needs to maintain the pressurized state in the whole life cycle, which has great danger. In order to ensure the strength of the simple body and improve safety, the simple body of the existing fire extinguisher is made of metal material, and such simple body is prone to corrosion, which causes the wall to be thin and causes the danger such as burst. At present, the conventional fire extinguisher contains siphon, pressure indicator, head or valve and other components, and the long-term pressurization and quality problems are prone to cause leakage and safety accidents. In addition, the existing fire extinguisher is inconvenient to charge, and the pressurized operation is prone to safety accidents, which needs professional training and permission of the manufacturer. Therefore, it is urgent to solve the problems of inconvenient charging of the fire extinguisher and danger of pressurization. SUMMARY

[0003] The utility model aims at overcoming the defects of the prior art, and provides an automatic fire extinguishing device of automatic pressurization, which realizes that the fire extinguisher is not in the pressurized state for a long time, and improves the safety of the fire extinguisher.

[0004] The utility model discloses the following technical scheme realizes the above-mentioned purpose, the utility model provides an automatic fire extinguishing device of automatic pressurization, include: box 1, one -way spout 2, compression sleeve 3, spinning sleeve 4, sealing membrane 6, sealing pressure piece 7, siphon 8, electromagnetic valve 9, inflation valve 10, safety valve 11, catheter 13, fire smoke detector 14, control circuit board 15 and signal receiving module 16, the box 1 includes the box of storage nitrogen and the box of storage water -base extinguishing agent, one -way spout 2 sets up at the top of box 1, and catheter 13 is installed on one -way spout 2, and compression sleeve 3 sets up on the inner wall of one -way spout 2, and spinning sleeve 4 sets up at compression sleeve 3, and compression sleeve 3 and spinning sleeve 4 combination are used for the sealing of one -way spout 2, and sealing membrane 6 and sealing pressure piece 7 set up at the junction of fire extinguisher spout, and electromagnetic valve 9 is installed on the connecting catheter between the storage extinguishing agent and the storage nitrogen box, receives the instruction from control circuit board 15 to control the on-off of nitrogen, and inflation valve 10 sets up on the box of storage nitrogen, is used for filling nitrogen, and pressurizes water -base extinguishing agent when extinguishing, and safety valve 11 installs at the opposite side of inflation valve 10, and control circuit board 15 is installed on box 1, and signal receiving module 16 is installed on box 1, is connected with control circuit board 15, and fire smoke detector 14 will send signal to signal receiving module 16 after detecting the anomaly, and signal receiving module 16 will transmit the signal to control circuit board 15, and control circuit board 15 controls electromagnetic valve to open, and nitrogen enters the box of storage water -base extinguishing agent through the connecting catheter, and water -base extinguishing agent is sprayed from one -way spout 2 under the pressure difference through siphon 8.

[0005] Further, the fire extinguishing device further comprises a filling valve 5, and the filling valve 5 is arranged on the box for storing the water-based extinguishing agent and is used for directly filling the water-based extinguishing agent.

[0006] Further, the fire extinguishing device further comprises a pressure gauge 12, and the pressure gauge 12 is arranged on the box for storing nitrogen and is used for monitoring whether the pressure is normal.

[0007] The utility model discloses the beneficial effect:

[0008] The utility model discloses the compression sleeve and spinning sleeve combination seal one -way spout, improved the leakproofness of one -way spout.

[0009] The utility model discloses the filling valve can directly fill the extinguishing agent through the filling valve, and the convenience of filling is improved.

[0010] The utility model discloses the sealing membrane and sealing pressure piece, the combination of both, can realize good sealing effect.

[0011] The utility model discloses the inflation valve can fill nitrogen through the inflation valve, and the inflation valve can be used for pressurizing the extinguishing agent when extinguishing.

[0012] This utility model is equipped with a safety valve. When the internal air pressure exceeds the safety pressure, the safety valve is activated to release pressure and ensure the safety of the enclosure. Attached Figure Description

[0013] Figure 1 This is a front view of an automatic pressurized fire extinguishing device provided in an embodiment of this utility model;

[0014] Figure 2 This is a top view of the nitrogen tank provided in this embodiment of the utility model;

[0015] Figure 3 This is a schematic diagram of the installation structure of the signal processing part provided in an embodiment of the present invention;

[0016] Figure 4 This is a flowchart of the signal processing section provided in an embodiment of the present invention;

[0017] In the attached diagram, 1 is the housing, 2 is the one-way nozzle, 3 is the clamping sleeve, 4 is the spinning sleeve, 5 is the filling valve, 6 is the sealing membrane, 7 is the sealing pressure plate, 8 is the siphon tube, 9 is the solenoid valve, 10 is the air filling valve, 11 is the safety valve, 12 is the pressure gauge, 13 is the conduit, 14 is the fire smoke detector, 15 is the control circuit board, and 16 is the signal receiving module. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings.

[0019] This utility model provides an automatic pressurization automatic fire extinguishing device, such as... Figures 1-3 As shown, it includes: a housing 1, a one-way nozzle 2, a clamping sleeve 3, a spinning sleeve 4, a filling valve 5, a sealing membrane 6, a sealing pressure plate 7, a siphon tube 8, a solenoid valve 9, a filling valve 10, a safety valve 11, a pressure gauge 12, a conduit 13, a fire smoke detector 14, a control circuit board 15, and a signal receiving module 16.

[0020] The housing 1 comprises a nitrogen storage chamber and a water-based extinguishing agent storage chamber, both made of stainless steel. A one-way nozzle 2 is located at the top of the housing 1, with a nozzle equipped with a one-way valve for dispensing the extinguishing agent. A conduit 13 is installed on the one-way nozzle 2 to deliver the extinguishing agent. A clamping sleeve 3 is located on the inner wall of the one-way nozzle 2, and a spinning sleeve 4 is located above the clamping sleeve 3. The clamping sleeve 3 and spinning sleeve 4 together seal the one-way nozzle 2. A sealing membrane 6 and a sealing pressure plate 7 are located at the connection point of the extinguisher nozzle to ensure that the nozzle does not leak when closed.

[0021] The electromagnetic valve 9 is installed on the connecting conduit between the tank storing the fire extinguishing agent and the tank storing the nitrogen, receives the instruction from the control circuit board 15 to control the on-off of the nitrogen, the inflation valve 10 is arranged on the tank storing the nitrogen, is used for inflating the nitrogen, and pressurizes the water-based fire extinguishing agent during the fire extinguishing, and the safety valve 11 is installed on the opposite side of the inflation valve 10, and when the internal pressure is greater than the safety pressure, the safety valve is started to release the pressure, and the safety of the tank 1 is ensured.

[0022] The control circuit board 15 is installed on the tank 1, and the signal receiving module 16 is installed on the tank 1 and connected with the control circuit board 15.

[0023] As shown in Figure 4 The signal processing process of the utility model is as follows: after the fire smoke detector 14 detects the anomaly, a signal is sent to the signal receiving module 16, the signal receiving module 16 transmits the signal to the control circuit board 15, the control circuit board 15 controls the electromagnetic valve to open, the nitrogen enters the tank storing the water-based fire extinguishing agent through the connecting conduit, and the water-based fire extinguishing agent is sprayed from the one-way spout 2 through the siphon 8 under the pressure difference. Thus, the fire extinguishing is realized, and the charging valve and the inflation valve can be used for charging when the nitrogen or the fire extinguishing agent is insufficient.

[0024] The signal processing process of the utility model, that is, the control circuit board controls the opening and closing of the electromagnetic valve according to the signal of the fire smoke detector, the signal processing process can be deduced by the person skilled in the art according to the hardware system of the utility model, and belongs to the existing signal processing mode.

[0025] The utility model reduces the danger of the fire extinguisher body under pressure, can observe the fire situation in real time through the fire smoke fire extinguisher, and immediately responds to the fire extinguishing through the signal transmission. The compression sleeve and the spinning sleeve combination ensure the sealing of the inside of the tank. The setting of the inflation valve and the charging valve solves the inconvenience of charging, and the safety valve ensures the normality of the internal pressure of the tank.

[0026] The above only is the preferred implementation manner of the utility model, and it should be understood that the utility model is not limited to the form disclosed in the present application, should not be regarded as excluding other embodiments, and can be used in various other combinations, modifications and environments, and can be changed within the scope of the concept described in the present application, through the above teaching or related technical or knowledge. The change and variation made by the person skilled in the art without departing from the spirit and scope of the utility model should be within the protection scope of the claims attached to the utility model.

Claims

1. An automatic pressurized fire extinguishing device, characterized in that, include: The extinguisher comprises a housing (1), a one-way nozzle (2), a clamping sleeve (3), a spinning sleeve (4), a sealing membrane (6), a sealing plate (7), a siphon tube (8), a solenoid valve (9), a gas filling valve (10), a safety valve (11), a conduit (13), a fire smoke detector (14), a control circuit board (15), and a signal receiving module (16). The housing (1) includes a nitrogen storage housing and a water-based extinguishing agent storage housing. The one-way nozzle (2) is located above the housing (1). The conduit (13) is installed on the one-way nozzle (2). The clamping sleeve (3) is located on the inner wall of the one-way nozzle (2). The spinning sleeve (4) is located above the clamping sleeve (3). The clamping sleeve (3) and the spinning sleeve (4) are combined to seal the one-way nozzle (2). The sealing membrane (6) and the sealing plate (7) are located at the connection of the extinguisher nozzle. The solenoid valve (9) is installed on the fire extinguisher nozzle. The connecting conduit between the fire extinguishing agent storage tank and the nitrogen storage tank receives instructions from the control circuit board (15) to control the flow of nitrogen. The charging valve (10) is installed on the nitrogen storage tank to charge nitrogen and pressurize the water-based fire extinguishing agent during fire extinguishing. The safety valve (11) is installed on the opposite side of the charging valve (10). The control circuit board (15) is installed on the tank (1). The signal receiving module (16) is installed on the tank (1) and connected to the control circuit board (15). After the fire smoke detector (14) detects an abnormality, it will send a signal to the signal receiving module (16). The signal receiving module (16) transmits the signal to the control circuit board (15). The control circuit board (15) controls the solenoid valve to open. Nitrogen enters the tank storing the water-based fire extinguishing agent through the connecting conduit. Under the pressure difference, the water-based fire extinguishing agent is sprayed from the one-way nozzle (2) through the siphon pipe (8).

2. The automatic pressurized fire extinguishing device according to claim 1, characterized in that, The fire extinguishing device also includes a filling valve (5), which is installed on the tank for storing water-based fire extinguishing agent.

3. The automatic pressurized automatic fire extinguishing device according to claim 1, characterized in that, The fire extinguishing device also includes a pressure gauge (12), which is installed on the container storing nitrogen.