CN213252665U - Air supply system for emergency rescue - Google Patents

Abstract

The utility model discloses an air supply system of emergency rescue, include: the device comprises a plurality of air source bottles, an electric valve component, a manual air supply valve, a plurality of pressure reducers and a plurality of face masks; the gas outlet of each gas supply bottle is connected with the input end of the electric valve assembly and the input end of the manual gas supply valve, the output end of the electric valve assembly and the output end of the manual gas supply valve are connected with the input end of each pressure reducer, and the output end of each pressure reducer is connected with a plurality of face covers through threaded pipes. The air supply system supplies air for people to breathe through the air source bottles, can ensure long-time air supply, and each pressure reducer is connected with the face masks below three, and can ensure that the air supply system supplies air for multiple people. When the rescue site can be electrified, the air supply passage can be opened through the electric valve assembly, and when the rescue site is powered off, the air supply passage can be opened through the manual air supply valve, so that the use of the air supply system cannot be influenced no matter whether the rescue site can be electrified or not.

Description

Air supply system for emergency rescue

Technical Field

The utility model relates to an emergency rescue field, especially an emergency rescue air supply system in disaster or accident.

Background

When a disaster or an accident occurs, the disaster or the accident causes that the scene environment cannot be normally breathed by people, for example, the scene of a fire, the scene of chemical gas leakage and the like, and smooth breathing is provided for people in a certain time under the environment of smoke, toxic gas, dust or oxygen deficiency, so that more time can be won for rescue, and the successful rescue of people is guaranteed.

Because the field situation of a disaster or an accident is usually complicated, the air supply system for providing smooth breathing for the personnel can normally supply air for the personnel under the condition that power supply and no power supply exist under the condition that whether power supply exists on the field can not be determined. If a traditional positive pressure type air breathing system is adopted to supply air to people, the water volume of an air bottle of the air breathing system is 6.8L, the rated working pressure is 30MPa, the air storage amount in the air bottle is about 2000L under the standard atmospheric pressure condition, and the air consumption amount is calculated according to 30L/min, the theoretical maximum use time of the respirator worn by the people is only 1h, and the actual use condition is that a certain air amount is wasted in the inspection process after the compressed air is filled in the respirator air bottle, and in addition, the breathing amount of the human body can be increased rapidly due to factors such as tension, fear and large work load in the wearing process of the people, so the effective use time of the respirator is greatly shortened. In addition, the positive pressure type air breathing system is only used for breathing by one person, under the condition that a great number of persons exist in a disaster or accident site, the quantity of the positive pressure type air breathing system is not necessarily sufficient, the service time of the system is short, and the rescue work of a great number of persons is not facilitated.

SUMMERY OF THE UTILITY MODEL

Problem to prior art existence, the utility model aims to provide an air supply system of emergency rescue all can carry out the air feed of longer time to personnel under the circumstances that has the power supply and do not have the power supply simultaneously to the homoenergetic under, can satisfy simultaneously.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

an air supply system for emergency rescue comprising: the device comprises a plurality of air source bottles, an electric valve component, a manual air supply valve, a plurality of pressure reducers and a plurality of face masks; every the gas outlet of air feed bottle with the input of electric valve subassembly, the input of manual air feed valve is all connected, electric valve subassembly output with manual air feed valve output all with every the input of pressure reducer is connected, every the output of pressure reducer passes through the screwed pipe and a plurality of the face guard is connected.

Further, the air source bottle is an aluminum liner carbon fiber composite air bottle with water volume of 50L and rated working pressure of 30 MPa.

Further, the gas supply system comprises three gas source bottles and five pressure reducers.

Further, a bottle valve is arranged at the air outlet of each air source bottle, and all the bottle valves are linked to open or close the air outlets of all the air source bottles.

Furthermore, all the air outlets of the air source bottles are communicated through pipelines to form a combined air supply end, the input end of the electric valve component is communicated with the input end of the manual air supply valve through pipelines to form a combined air supply end, and a filter is installed on the pipeline between the combined air supply end and the combined air supply end.

Further, an air source pressure gauge is installed at the combined air supply end.

Further, an inflation valve is installed at the joint gas supply end.

Further, the electric valve assembly comprises an electric air supply valve and an electromagnetic valve which are connected with each other.

Further, a direct air supply valve is arranged at an air outlet of the mask.

The utility model discloses among emergency rescue's the gas supply system, during gas in every gas source bottle can enter into every pressure reducer through motorised valve assembly or manual air feed valve, gas lets in the face guard that supplies the personnel to breathe after the pressure reducer decompression. The air supply system supplies air for people to breathe through the air source bottles, can ensure long-time air supply, and each pressure reducer is connected with the face masks below three, and can ensure that the air supply system supplies air for multiple people. When the rescue site can be electrified, the air supply passage can be opened through the electric valve assembly, and when the rescue site is powered off, the air supply passage can be opened through the manual air supply valve, so that the use of the air supply system cannot be influenced no matter whether the rescue site can be electrified or not. Compared with the existing positive pressure type air breathing system, the system can supply air for a plurality of people for a long time, and is more economical when the air needs to be supplied to the same number of people.

Drawings

Fig. 1 is a schematic structural composition diagram of an air supply system for emergency rescue according to an example of the present invention;

in the figure:

1. a gas source bottle; 2. an electric air supply valve; 3. an electromagnetic valve; 4. a manual supply air valve; 5. a pressure reducer; 6. a face mask; 7. a threaded pipe; 8. a cylinder valve; 9. a filter; 10. an inflation valve; 11. an air source pressure gauge; 12. an inflator; 13. an air supply hose.

Detailed Description

To clearly illustrate the design concept of the present invention, the following description is made with reference to the examples.

In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions of the present invention are described below clearly and completely with reference to the drawings in the examples of the present invention, and it is obvious that the described examples are only a part of examples of the present invention, but not all examples. Based on the middle examples of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1, an example of an emergency rescue air supply system according to the present invention is provided, including: the device comprises a plurality of gas source bottles 1, an electric valve component, a manual gas supply valve 4, a plurality of pressure reducers 5 and a plurality of face masks 6; the gas outlet of every air feed bottle 1 all is connected with electric valve module's input, manual air feed valve 4's input, and electric valve module output and manual air feed valve 4 output all are connected with every pressure reducer 5's input, and every pressure reducer 5's output passes through screwed pipe 7 and is connected with a plurality of face guard 6.

Preferably, the gas supply system comprises three gas source bottles 1 and five pressure reducers 5, wherein the gas source bottles 1 are aluminum liner carbon fiber composite gas bottles with water volumes of 50L and rated working pressures of 30MPa, and the gas source bottles are large in gas storage capacity and particularly suitable for rescuing in places with more people. As shown in figure 1, the output end of each pressure reducer 5 is connected with two face masks 6 through a threaded pipe 7, and under the condition of full load, the output end is calculated according to the average gas consumption of 35L/min (the value is larger than the average value of adult men), and can be continuously used for more than 2h for 10 persons; the output end of the reducer 5 is connected with the face mask 6 through a threaded pipe 7, so that the face mask 6 can be used conveniently within a certain distance. A direct air supply valve is arranged at an air outlet of the face mask 6, when a person inhales air, the air supply valve is automatically opened under the action of negative pressure to be breathed by the person, and the air supply valve has the functions of supplying air and positive pressure according to requirements, namely, when the person inhales air, the air enters the face mask 6, and meanwhile, the pressure in the face mask 6 is kept higher than the pressure of the ambient atmosphere; when the person exhales, the air supply valve does not supply air, and the exhaled air is exhausted from the exhalation valve on the mask 6, so that the reciprocating respiration cycle process is formed according to the rule. In the breathing process, people cannot inhale the gas outside the gas supply system, and when the mask 6 is not used, the gas in the gas supply system cannot leak.

In other embodiments, other numbers of gas source bottles 1 and pressure reducers 5 can be adopted to form a gas supply system, the number of the gas source bottles 1 and the pressure reducers 5 is mainly determined according to the number of people on site and the time required for gas supply, and a person skilled in the art can determine the number of the gas source bottles 1 and the pressure reducers 5 according to the use requirement to flexibly arrange the gas supply system.

In this example, a bottle valve 8 is provided at the air outlet of each air source bottle 1, and all the bottle valves 8 open or close the air outlets of all the air source bottles 1 in a linkage manner, as shown in fig. 1, the bottle valves 8 of three air source bottles 1 in the air supply system are opened together to supply air to the air supply system, so as to ensure the air supply amount in the air supply system.

The air outlets of all the air source bottles 1 are communicated through pipelines to form a combined air supply end, the input end of the electric valve assembly is communicated with the input end of the manual air supply valve 4 through pipelines to form a combined ventilation end, the electric valve assembly comprises an electric air supply valve 2 and an electromagnetic valve 3 which are connected with each other, and a filter 9 is arranged on the pipeline between the combined air supply end and the combined ventilation end. The structure can reduce the laying of pipelines and the installation quantity of filters.

And an air source pressure gauge is also arranged at the joint air supply end of the air supply system so as to observe the air supply pressure in real time.

An inflation valve 10 is also mounted at the combined gas supply end, and as shown in fig. 1, an inflator 12 may be used to inflate a plurality of gas source bottles 1 in the gas supply system through the inflation valve 10 for sustained, multiple use of the gas supply system. Each air source bottle 1 is communicated with the joint air supply end by an air source hose 13 so as to facilitate the placement of the air source bottle 1.

In the air supply system for emergency rescue of this example, the air in each air source bottle 1 can enter into each pressure reducer 5 through the electric valve assembly or the manual air supply valve 4, the air is decompressed through the pressure reducer 5 and then is introduced into the mask 6 for breathing of people, and the direction of the arrow in fig. 1 is the flowing direction of the air during air supply. The air supply system supplies air for people to breathe through the air source bottles 1, long-time air supply can be guaranteed, each pressure reducer 5 is connected with the two face masks 6, and the air supply system can supply air for multiple people. When the rescue site can be electrified, the air supply passage can be opened through the electric valve assembly, and when the rescue site is powered off, the air supply passage can be opened through the manual air supply valve 4, so that the use of the air supply system cannot be influenced no matter whether the rescue site can be electrified or not. Compared with the existing positive pressure type air breathing system, the system can supply air for a plurality of people for a long time, and when the air is required to be supplied to the people with the same quantity, the system is more economical compared with the system which supplies air to one set of positive pressure type breathing system for each person.

It should be noted that the cylinder valve 8 in the above example is opened in advance when an emergency situation occurs, so that the gas supply system supplies gas to personnel on site. Some of these configurations may be chosen differently than the specific examples given above. For example, a spare valve can be connected between the combined gas supply end and the combined ventilation end through a pipeline, so that when the manual gas supply valve 4 fails, gas can still be supplied to personnel on the rescue site through the spare valve; and the like, which can be made by those skilled in the art based on their basic skills based on an understanding of the inventive concept, and are not to be taken as an example herein.

Finally, it is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention, and these changes and modifications are to be considered as the protection scope of the invention.

Claims (9)

1. An air supply system for emergency rescue, comprising: the device comprises a plurality of air source bottles, an electric valve component, a manual air supply valve, a plurality of pressure reducers and a plurality of face masks; every the gas outlet of air supply bottle with the input of electric valve subassembly, the input of manual air feed valve is all connected, electric valve subassembly output with manual air feed valve output all with every the input of pressure reducer is connected, every the output of pressure reducer passes through the screwed pipe and a plurality of the face guard is connected.

2. The gas supply system of claim 1, wherein the gas source cylinder is an aluminum liner carbon fiber composite gas cylinder with a water volume of 50L and a rated working pressure of 30 MPa.

3. The gas supply system according to claim 2, wherein said gas supply system comprises three of said gas source bottles and five of said pressure reducers.

4. The gas supply system according to claim 1, wherein a bottle valve is provided at the gas outlet of each gas source bottle, and all the bottle valves open or close the gas outlets of all the gas source bottles in a linkage manner.

5. The gas supply system according to claim 1, wherein the gas outlets of all the gas source bottles are communicated through a pipeline to form a combined gas supply end, the input end of the electric valve component is communicated with the input end of the manual gas supply valve through a pipeline to form a combined ventilation end, and a filter is arranged on the pipeline between the combined gas supply end and the combined ventilation end.

6. The gas supply system of claim 5, wherein the combined gas supply end is provided with a gas source pressure gauge.

7. The air supply system as claimed in claim 5 or 6, wherein an inflation valve is installed at the joint air supply end.

8. The gas supply system of claim 1, wherein the electrically powered valve assembly comprises an electrically powered gas supply valve and a solenoid valve connected to each other.

9. The gas supply system according to claim 1, wherein a direct supply valve is provided at the gas outlet of the mask.

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