CN221889068U - A compressed air foam fire extinguishing device controlled by a solenoid valve - Google Patents

Abstract

The utility model relates to the technical field of compressed air foam fire extinguishing devices, in particular to a compressed air foam fire extinguishing device controlled by an electromagnetic valve, which comprises a compressed air bottle and a foaming bin, wherein a first pipeline and a second pipeline are arranged on the compressed air bottle, a liquid guide pipe and a water guide pipe are arranged between one end of the first pipeline and the foaming bin, the electromagnetic valves are arranged on the first pipeline and the second pipeline, a liquid pump and a first proportional valve are arranged on the liquid guide pipe, and a liquid supply pipe is arranged at the input end of the liquid pump.

Description

A compressed air foam fire extinguishing device controlled by a solenoid valve

Technical Field

The utility model relates to the technical field of compressed air foam fire extinguishing devices, in particular to a compressed air foam fire extinguishing device controlled by a solenoid valve.

Background Art

As we all know, in recent years, with the rapid development of the economy and society, the fire situation has become more and more serious, and there are more and more sudden fires in various occasions, and the losses caused by fires are also increasing. Most of the existing compressed air foam fire extinguishing devices rely on water pumps to supply water and compressed air, which is relatively bulky and complicated to operate. When there is an explosion or other power outage, the device cannot be started and the fire cannot be controlled quickly and promptly. Therefore, it is necessary to propose a solution to this technical problem.

Utility Model Content

1. Technical issues to be solved

In view of the deficiencies in the prior art, the utility model provides a compressed air foam fire extinguishing device controlled by a solenoid valve.

(II) Technical solution

To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a compressed air foam fire extinguishing device controlled by a solenoid valve, comprising a compressed air bottle and a foaming chamber, the compressed air bottle being provided with a first pipe and a second pipe, a liquid guide pipe and a water guide pipe being provided between one end of the first pipe and the foaming chamber, solenoid valves being provided on the first pipe and the second pipe, a liquid pump and a first proportional valve being provided on the liquid guide pipe, a liquid supply pipe being provided at the input end of the liquid pump, a water pump being provided on the water guide pipe, a water supply pipe being provided at the input end of the water pump, the second pipe being connected to the foaming chamber, a second proportional valve being provided on the second pipe, and a fire extinguishing unit being provided on the foaming chamber.

Furthermore, the utility model is improved in that both the liquid pump and the water pump are pneumatic diaphragm pumps.

Furthermore, the utility model is improved in that a pressure gauge is provided on the compressed air bottle.

Furthermore, the utility model is improved in that an alarm is provided on the pressure gauge.

Furthermore, the utility model is improved in that flanges are provided on the water supply pipe and the liquid supply pipe.

Furthermore, the utility model is improved in that both the first pipeline and the second pipeline are provided with pressure gauges.

(III) Beneficial effects

Compared with the prior art, the utility model provides a compressed air foam fire extinguishing device controlled by a solenoid valve, which has the following beneficial effects:

The compressed air foam fire extinguishing device controlled by the solenoid valve can adjust the ratio of the foaming liquid delivered to the foaming chamber through the first proportional valve, and can adjust the ratio of the gas pushed out of the foaming chamber through the second proportional valve. This structure uses the solenoid valve to control the water output of the compressed air foam fire extinguishing device and the air replenishment of the foaming chamber, which solves the complexity of operation, reduces the failure rate of the operation of the compressed air foam fire extinguishing device, and improves the fire extinguishing efficiency. Because its power source is its own compressed air, the equipment is not restricted by external water, electricity and gas, thereby ensuring its fire extinguishing function.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 is a schematic diagram of the structure of the utility model.

In the figure: 1. Compressed air bottle; 2. Foaming chamber; 3. First pipeline; 4. Second pipeline; 5. Liquid guide pipe; 6. Water guide pipe; 7. Solenoid valve; 8. Liquid pump; 9. First proportional valve; 10. Water pump; 11. Second proportional valve; 12. Fire extinguishing unit; 13. Pressure gauge; 14. Pressure gauge.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Please refer to Figure 1. The utility model is a compressed air foam fire extinguishing device controlled by a solenoid valve, comprising a compressed air bottle 1 and a foaming chamber 2. The compressed air bottle 1 is provided with a first pipe 3 and a second pipe 4. A liquid guide pipe 5 and a water guide pipe 6 are provided between one end of the first pipe 3 and the foaming chamber 2. A solenoid valve 7 is provided on the first pipe 3 and the second pipe 4. A liquid pump 8 and a first proportional valve 9 are provided on the liquid guide pipe 5. A liquid supply pipe is provided at the input end of the liquid pump 8. A water pump 10 is provided on the water guide pipe 6. A water supply pipe is provided at the input end of the water pump 10. The second pipe 4 is connected to the foaming chamber 2. A second proportional valve 11 is provided on the second pipe 4. A fire extinguishing unit 12 is provided on the foaming chamber 2. In this embodiment, the liquid supply pipe is connected to a pipe storing a liquid device for foaming, and the water supply pipe is connected to a pipe storing water. The solenoid valves 7 on the first pipe 3 and the second pipe 4 are controlled by an automatic control system. The solenoid valve 7 on the first pipe 3 is opened to make the compressed air bottle The gas in 1 enters the liquid guide pipe 5 and the water guide pipe 6 from the first pipeline 3, and the liquid pump 8 on the liquid guide pipe 5 is controlled by the gas. The liquid pump 8 transports the foaming liquid to the foaming chamber 2 through the liquid supply pipe, and the first proportional valve 9 is used to adjust the ratio of the foaming liquid to the foaming chamber 2. The water pump 10 on the water guide pipe 6 is controlled by the gas. The water pump 10 transports water to the foaming chamber 2 through the water supply pipe. The water and the foaming liquid are mixed to produce a foaming reaction. The solenoid valve 7 on the second pipeline 4 is opened to blow the gas from the second pipeline 4 into the foaming chamber 2, and the foam is sprayed through the fire extinguishing unit 12, so as to perform the fire extinguishing operation. The second proportional valve 11 can adjust the ratio of the gas pushed out of the foaming chamber 2. The solenoid valve 7 is used to control the water outlet of the compressed air foam fire extinguishing device and the air replenishment of the foaming chamber 2, which solves the complexity of the operation, reduces the failure rate of the operation of the compressed air foam fire extinguishing device, and improves the fire extinguishing efficiency. Because its power source is its own compressed air, the equipment is not restricted by external water, electricity and gas, and its fire extinguishing function is guaranteed.

In this embodiment, the liquid pump 8 and the water pump 10 are both pneumatic diaphragm pumps. Since the liquid pump 8 and the water pump 10 are both pneumatic diaphragm pumps, the gas in the compressed air bottle 1 can be increased to drive the liquid pump 8 and the water pump 10.

In this solution, a pressure gauge 13 is provided on the compressed air bottle 1 , and the pressure gauge 13 can be used to conveniently detect the air pressure value inside the compressed air bottle 1 .

In this solution, the pressure gauge 13 is provided with an alarm, which can send out an alarm when the value displayed by the pressure gauge 13 reaches an abnormal value, so that personnel can be informed.

In this solution, flanges are provided on the water supply pipe and the liquid supply pipe, and the flanges facilitate the water supply pipe and the liquid supply pipe to be connected to external pipelines.

In this solution, a pressure gauge 14 is provided on each of the first pipeline 3 and the second pipeline 4 , and the pressure gauge 14 is used to detect the pressure values of the first pipeline 3 and the second pipeline 4 .

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a solenoid valve control's compressed air foam extinguishing device, includes compressed air bottle (1) and foaming storehouse (2), its characterized in that, be equipped with first pipeline (3) and second pipeline (4) on compressed air bottle (1), one end of first pipeline (3) with be equipped with catheter (5) and aqueduct (6) between foaming storehouse (2), first pipeline (3) with all be equipped with solenoid valve (7) on second pipeline (4), be equipped with liquid pump (8) and first proportional valve (9) on catheter (5), the input of liquid pump (8) is equipped with the feed pipe, be equipped with water pump (10) on aqueduct (6), the input of water pump (10) is equipped with the delivery pipe, second pipeline (4) are connected foaming storehouse (2), be equipped with second proportional valve (11) on second pipeline (4), be equipped with fire extinguishing unit (12) on foaming storehouse (2).

2. A solenoid valve controlled compressed air foam fire extinguishing device according to claim 1, characterized in that the liquid pump (8) and the water pump (10) are both pneumatic diaphragm pumps.

3. A solenoid valve controlled compressed air foam fire extinguishing device according to claim 2, characterized in that the compressed air tank (1) is provided with a pressure gauge (13).

4. A solenoid valve controlled compressed air foam fire extinguishing device according to claim 3, characterized in that the pressure gauge (13) is provided with an alarm.

5. The solenoid valve controlled compressed air foam fire extinguishing apparatus of claim 4, wherein the water supply pipe and the liquid supply pipe are provided with flanges.

6. The solenoid valve controlled compressed air foam fire extinguishing apparatus according to claim 5, wherein the first pipe (3) and the second pipe (4) are provided with pressure gauges (14).