CN211178898U - An intelligent leak detection system for heptafluoropropane fire extinguishing equipment - Google Patents

Abstract

The utility model provides an intelligent leak detection system for heptafluoropropane fire extinguishing equipment, comprising: a fire extinguishing agent bottle, a liquid level detection port is opened, a liquid outlet valve and a pressure reducing device are installed; a power gas bottle, a power gas valve is installed; at least one driving gas bottle, equipped with driving gas valve; selector valve, the inlet end is communicated with the driving gas valve, the gas outlet end is communicated with the power gas valve, and the liquid inlet end is communicated with the liquid outlet valve; the liquid level sensor is installed at the liquid level detection port; several The pressure sensor is respectively installed on the power gas valve and the driving gas valve; a controller; a cloud server, the controller is connected to the cloud server in communication; a plurality of user terminals are respectively connected to the cloud server. The detection system can detect the storage liquid level height and storage pressure in real time, and display the pressure and the release and leakage of the fire extinguishing agent bottle on the user's handheld terminal through the cloud server, so as to achieve real-time spot inspection, improve safety, and avoid the leakage of gas cylinders. Unable to put out the fire.

Description

An intelligent leak detection system for heptafluoropropane fire extinguishing equipment

technical field

The utility model belongs to the technical field of heptafluoropropane fire-extinguishing equipment, in particular to an intelligent leak detection system for heptafluoropropane fire-extinguishing equipment.

Background technique

Heptafluoropropane (HFC-227ea, FM-200) is a colorless, odorless, non-conductive, no secondary pollution gas. It has the characteristics of cleanliness, low toxicity, good electrical insulation and high fire extinguishing efficiency, especially it does not damage the ozone layer. , The residual time in the atmosphere is relatively short, and its environmental protection performance is obviously better than that of halogenated alkanes. It is a clean gas fire extinguishing agent that has been successfully researched and developed so far.

Heptafluoropropane automatic fire extinguishing system is a modern intelligent automatic fire extinguishing device integrating gas fire extinguishing, automatic control and fire detection. Fire Extinguishing System-Physical Performance and System Design "system design and product standard specification requirements, this system device has advanced design, reliable performance, simple operation, good environmental protection and other characteristics.

Regarding the heptafluoropropane automatic fire extinguishing system, the Chinese Patent Publication No. CN103877685B discloses a marine heptafluoropropane fire extinguishing device and a fire extinguishing method. It includes detection and control circuits, temperature detectors, smoke detectors, light detectors, release valve electromagnetic starter, fire extinguishing control device, fire extinguishing start device, liquid flow check valve, sound and light alarm, emergency start/stop Button, emergency operation panel, nitrogen storage bottle, nitrogen container valve, storage bottle rack, heptafluoropropane storage bottle, rack slat, high pressure hose, heptafluoropropane container valve, container valve electromagnetic starter, pressure signal transmitter, manifold , release valve, delivery pipeline, nozzle, protective area. The fire extinguishing agent uses heptafluoropropane, which is colorless, odorless, non-conductive, and free of secondary pollution. It has the characteristics of cleanliness and environmental protection. The invention has reliable performance and high fire extinguishing efficiency. With low level requirements, it can completely replace traditional marine fire extinguishing devices such as halogenated alkanes. However, the fire extinguishing system provided by this patent is similar to the existing heptafluoropropane automatic fire extinguishing system. The storage level of the fire extinguishing agent bottle group cannot be monitored in real time, and there is a risk of leakage. The power gas pressure is monitored by a mechanical pressure gauge, which is not highly intelligent and cannot be viewed remotely.

Utility model content

In order to solve the above-mentioned problems, the purpose of this utility model is to provide an intelligent leak detection system for heptafluoropropane fire-extinguishing equipment. And drive the storage pressure of the gas bottle and display the pressure and the release and leakage of the fire extinguishing agent bottle on the user's handheld terminal through the cloud server, so as to achieve real-time point inspection, improve safety, and avoid the inability to extinguish the fire due to gas bottle leakage.

For achieving the above object, the technical scheme of the present utility model is:

An intelligent leak detection system for heptafluoropropane fire-extinguishing equipment, the detection system comprises: at least one fire-extinguishing agent bottle, which is placed vertically and contains heptafluoropropane fire-extinguishing agent, the upper end face of the fire-extinguishing agent bottle is provided with a liquid level detection port, and the fire-extinguishing agent bottle is provided with a liquid level detection port. The upper end face is provided with a liquid outlet valve and a decompression device respectively connected to the inner side of the fire extinguishing agent bottle; at least one power gas bottle, placed vertically, contains power gas, and the upper end face of the power gas bottle is equipped with a power gas bottle A power gas valve communicated inside, the gas outlet end of the power gas valve is communicated with the pressure reducing device through a pipeline; at least one driving gas bottle, placed vertically, contains power gas, and the gas outlet end of the driving gas bottle is installed There is a driving gas valve; at least one selector valve, the inlet end of the selector valve is communicated with the outlet end of the driving gas valve through the pipeline, and the outlet end of the selector valve is communicated with the inlet end of the power gas valve through the pipeline, The liquid inlet end of the selection valve is communicated with the liquid outlet end of the liquid outlet valve on the fire extinguishing agent bottle through the collecting pipe, the liquid outlet end of the selection valve is connected with a nozzle, and the end of the nozzle away from the selection valve is connected with a nozzle. Nozzle; the liquid outlet end of the liquid outlet valve on the fire extinguishing agent bottle is communicated with the collecting pipe through a connecting pipe; the liquid level sensor is installed in the liquid level detection port of the fire extinguishing agent bottle to form a pair of the fire extinguishing agent in the fire extinguishing agent bottle. Detection of liquid level height; a number of pressure sensors are installed on the power gas valve and the driving gas valve respectively, and the pressure sensor installed on the power gas valve forms the detection of the storage pressure of the power gas in the power gas bottle. The pressure sensor on the driving gas valve forms the detection of the storage pressure of the power gas in the driving gas bottle; the controller, the liquid level sensor and the pressure sensor are respectively connected to the input end of the controller to form liquid level data and storage pressure data. transmission; cloud server, the output end of the controller is connected to the cloud server in communication to form the upload of liquid level data and stored pressure data stored in the controller; a number of user terminals are installed in a PC or a mobile phone, and a number of The user terminals are respectively connected in communication with the cloud server to form a remote viewing of the liquid level data and the stored pressure data uploaded to the cloud server.

Further, the quantity of the fire extinguishing agent bottle is 2 or more, one fire extinguishing agent bottle corresponds to one power gas bottle, each fire extinguishing agent bottle corresponds to one driving gas bottle, and one fire extinguishing agent bottle corresponds to one Selection valve; the liquid outlet ends of the liquid outlet valves on 2 or more of the fire extinguishing agent bottles are respectively communicated with the side wall of the collecting pipe through a connecting pipe, so as to form two or more of the fire extinguishing agent bottles and Parallel connection between headers; the liquid inlet ends of 2 or more selector valves are connected to the sidewall of the header respectively through pipelines to form a connection between 2 or more selector valves and the header of parallel connection.

Further, the liquid outlet valve on the fire extinguishing agent bottle is a container valve, and the liquid outlet end of the container valve is communicated with the collecting pipe through a connecting pipe.

Further, a one-way valve is installed on the connecting pipe.

Further, the motive gas valve is a container valve, and the inlet end of the motive gas valve is communicated with the outlet end of the selection valve through a pilot valve.

Further, the driving gas valve is a low leakage and high sealing valve.

Further, both ends of the header are closed, and a closed end of the header away from the selector valve is connected to a safety relief device, and the safety relief device communicates with the inner side of the header.

Further, the controller has a built-in control board, and the controller panel is provided with a display panel and a control button that are respectively connected to the control board in communication.

Further, the motive gas is high pressure nitrogen.

The beneficial effects of the present utility model are:

The detection system, through the design of the liquid level sensor, can detect the storage liquid level height of the fire extinguishing agent in the fire extinguishing agent bottle in real time; The storage pressure of the power gas is displayed on the user terminal (mobile phone or PC) through the cloud server, and the release and leakage of the fire extinguishing agent bottle is realized.

The pressure sensor powered by bus communication is used to replace the mechanical pressure gauge of the original gas cylinder and the driving gas cylinder. The display screen of the controller can display the liquid level and pressure of the corresponding cylinder group in real time. It is connected to the cloud server through the Internet, and the user terminal can also use the Receive information through the Internet to remotely view the level and pressure of the bottle group.

The number of corresponding liquid level sensors and pressure sensors can be expanded according to the number of fire extinguishing agent bottles, the number of power gas bottles and the number of driving gas bottles to supply power through bus communication.

Description of drawings

FIG. 1 is a schematic structural diagram of an intelligent leak detection system for heptafluoropropane fire-extinguishing equipment provided by the utility model.

Detailed ways

1 , an intelligent leak detection system for heptafluoropropane fire-extinguishing equipment according to the present invention, the detection system includes: at least one fire-extinguishing agent bottle 1, placed vertically, containing heptafluoropropane fire-extinguishing agent, and the upper end surface of the fire-extinguishing agent bottle 1 A liquid level detection port 11 is opened, and the upper end surface of the fire extinguishing agent bottle 1 is provided with a liquid outlet valve 12 and a decompression device 13 respectively communicating with the inner side of the fire extinguishing agent bottle 1; at least one power gas bottle 2, placed vertically, Power gas is installed inside, the upper end surface of the power gas bottle 2 is equipped with a power gas valve 21 that communicates with the inner side of the power gas bottle 2, and the gas outlet end of the power gas valve 21 is communicated with the decompression device 13 through a pipeline; at least A driving gas bottle 3, placed vertically, contains power gas, and a driving gas valve 31 is installed at the gas outlet end of the driving gas bottle 3; at least one selector valve 4, the inlet end of the selector valve 4 is connected with the pipeline The gas outlet end of the driving gas valve 31 is communicated, the gas outlet end of the selector valve 4 is communicated with the inlet end of the power gas valve 21 through a pipeline, and the liquid inlet end of the selector valve 4 is connected to the fire extinguishing agent through the header 5 The liquid outlet end of the liquid outlet valve 12 on the bottle 1 is connected, the liquid outlet end of the selector valve 4 is connected with a nozzle (not shown), and the end of the nozzle away from the selector valve 4 is connected with a nozzle (not shown); The liquid outlet end of the liquid outlet valve 12 on the fire extinguishing agent bottle 1 is communicated with the collecting pipe 5 through a connecting pipe 6; the liquid level sensor 7 is installed in the liquid level detection port 11 of the fire extinguisher bottle 1 to form a pair of fire extinguishing agents. Detection of the liquid level height of the fire extinguishing agent in the agent bottle 1; a number of pressure sensors 8 are respectively installed on the power gas valve 21 and the driving gas valve 31, and the pressure sensors 8 installed on the power gas valve 21 form the power gas valve 21. The detection of the storage pressure of the power gas in the bottle 2, the pressure sensor 8 installed on the driving gas valve 31 forms the detection of the storage pressure of the power gas in the driving gas bottle 3; the controller 9, the liquid level sensor 7 and the pressure sensor 8 They are respectively connected in communication with the input end of the controller 9 to form the transmission of liquid level data and storage pressure data; the cloud server 10, the output end of the controller 9 is connected in communication with the cloud server 10 to form the liquid level stored in the controller 9 Upload of data and stored pressure data; a number of user terminals 20 are installed in a PC (not shown) or a mobile phone (not shown), and a number of the user terminals 20 are respectively connected to the cloud server 10 to form a pair of uploading Remote viewing of liquid level data and stored pressure data in the cloud server 10.

Further, the quantity of the fire extinguishing agent bottle 1 is 2 or more, one fire extinguishing agent bottle 1 corresponds to one power gas bottle 2, each fire extinguishing agent bottle 1 corresponds to one driving gas bottle 3, and one fire extinguishing agent bottle 1 corresponds to one driving gas bottle 3. The agent bottle 1 corresponds to one selector valve 4; the liquid outlet ends of the liquid outlet valves 12 on the two or more fire extinguishing agent bottles 1 are respectively communicated with the side wall of the collecting pipe 5 through a connecting pipe 6, forming two Or the parallel connection between 2 or more of the described fire extinguishing agent bottles 1 and the header 5; the liquid inlet ends of 2 or more than 2 selector valves 4 are respectively connected with the side wall of the header 5 through pipelines to form Parallel connection between two or more selector valves 4 and headers 5 .

Further, the liquid outlet valve 12 on the fire extinguishing agent bottle 1 is a container valve, and the liquid outlet end of the container valve 12 is communicated with the collecting pipe 5 through the connecting pipe 6 .

Further, a one-way valve 61 is installed on the connecting pipe 6 .

Further, the motive gas valve 21 is a container valve, and the inlet end of the motive gas valve 21 is communicated with the outlet end of the selector valve 4 through a pilot valve 22 .

Further, the driving gas valve 31 is a low leakage and high sealing valve.

Further, both ends of the header 5 are closed, and a closed end of the header 5 away from the selector valve 4 is connected to a safety relief device 30 , and the safety relief device 30 communicates with the inside of the header 5 .

Further, the controller 9 has a built-in control board (not shown), and the controller 9 panel is provided with a display panel 91 and a control button 92 that are respectively connected to the control board in communication.

Further, the motive gas is high pressure nitrogen.

The usage mode of the intelligent leakage detection system of the heptafluoropropane fire extinguishing equipment described in the utility model is as follows:

When in use, the fire extinguishing controller issues an instruction to open the driving gas bottle 3 to release the power gas (high pressure nitrogen), and the high pressure nitrogen passes through the selector valve 4 to open the power gas valve 21 on the power gas bottle 2, and the power gas in the power gas bottle (high pressure nitrogen) ) Through the decompression device 13, it is filled into the fire extinguishing agent bottle 1. When the pressure in the fire extinguishing agent bottle 1 reaches the design value, the high-pressure nitrogen gas passes through the decompression device 13 to open the liquid outlet valve 12 of the fire extinguishing agent bottle 1, and the heptafluoropropane fire extinguishing agent is in the fire extinguishing The high-pressure nitrogen in the bottle 1 is driven by the connecting pipe 6, the one-way valve 61, the collecting pipe 5, the selector valve 4, the spray pipe and the nozzle to spray to the protection area to implement fire fighting.

Through the design of the liquid level sensor 7, the storage liquid level of the fire extinguishing agent in the fire extinguishing agent bottle 1 can be detected in real time. The storage pressure of the power gas, and the pressure status is displayed on the user terminal 20 (mobile phone or PC) through the cloud server 10, and the leakage of the fire extinguishing agent bottle 1 is released, so as to achieve real-time spot inspection to improve safety, and avoid the leakage of gas cylinders and cause failure to extinguish fire.

The pressure sensor powered by bus communication is used to replace the mechanical pressure gauge of the original gas cylinder and the driving gas cylinder. The display screen of the controller can display the liquid level and pressure of the corresponding cylinder group in real time. It is connected to the cloud server through the Internet, and the user terminal can also use the Receive information through the Internet to remotely view the level and pressure of the bottle group.

The number of corresponding liquid level sensors and pressure sensors can be expanded according to the number of fire extinguishing agent bottles, the number of power gas bottles and the number of driving gas bottles to supply power through bus communication.

It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the scope of the technical solutions of the present invention. Included in the scope of the claims of the present invention.

Claims (9)

1. a heptafluoropropane fire extinguishing equipment intelligent leak detection system, is characterized in that, described detection system comprises: At least one fire extinguishing agent bottle, placed vertically, contains heptafluoropropane fire extinguishing agent, the upper end face of the fire extinguishing agent bottle is provided with a liquid level detection port, and the upper end face of the fire extinguishing agent bottle is provided with liquid outlets that are respectively connected to the inner side of the fire extinguishing agent bottle. Valves and pressure reducing devices; At least one motive gas bottle is placed vertically and contains motive gas. The upper end surface of the motive gas bottle is provided with a motive gas valve that communicates with the inner side of the motive gas bottle, and the gas outlet of the motive gas valve is connected to the power gas cylinder through a pipeline. The pressure device is connected; At least one driving gas bottle, placed vertically, contains power gas, and a driving gas valve is installed at the gas outlet of the driving gas bottle; At least one selector valve, the inlet end of the selector valve is communicated with the outlet end of the driving gas valve through the pipeline, the outlet end of the selector valve is communicated with the inlet end of the power gas valve through the pipeline, the The liquid inlet end is communicated with the liquid outlet end of the liquid outlet valve on the fire extinguishing agent bottle through the collecting pipe, the liquid outlet end of the selection valve is connected with a nozzle, and the end of the nozzle away from the selection valve is connected with a nozzle; The liquid outlet end of the liquid outlet valve on the fire extinguishing agent bottle is communicated with the collecting pipe through a connecting pipe; The liquid level sensor is installed in the liquid level detection port of the fire extinguishing agent bottle to detect the liquid level height of the fire extinguishing agent in the fire extinguishing agent bottle; A plurality of pressure sensors are respectively installed on the power gas valve and the driving gas valve. The pressure sensor installed on the power gas valve forms the detection of the storage pressure of the power gas in the power gas bottle, and the pressure sensor installed on the driving gas valve The pressure sensor forms the detection of the storage pressure of the power gas in the driving gas bottle; The controller, the liquid level sensor and the pressure sensor are respectively connected to the input end of the controller in communication to form the transmission of liquid level data and stored pressure data; Cloud server, the output end of the controller is connected in communication with the cloud server to form the upload of liquid level data and stored pressure data stored in the controller; Several user terminals are installed in the PC or in the mobile phone, and the several user terminals are respectively connected in communication with the cloud server to form a remote view of the liquid level data and stored pressure data uploaded to the cloud server. 2. The intelligent leak detection system for heptafluoropropane fire-extinguishing equipment according to claim 1, wherein the quantity of the fire-extinguishing agent bottle is 2 or more, and one fire-extinguishing agent bottle corresponds to one power gas bottle, and each The extinguishing agent bottle corresponds to 1 driving gas bottle, and 1 extinguishing agent bottle corresponds to 1 selector valve; The liquid outlet ends of the liquid outlet valves on 2 or more of the fire extinguishing agent bottles are respectively communicated with the side wall of the collecting pipe through a connecting pipe to form two or more of the fire extinguishing agent bottles and the collecting pipe parallel connection between; The liquid inlet ends of the two or more selector valves are respectively connected to the sidewall of the collecting pipe through pipelines to form a parallel connection between the two or more selecting valves and the collecting pipe. 3. The intelligent leak detection system for heptafluoropropane fire extinguishing equipment according to claim 1, wherein the liquid outlet valve on the fire extinguishing agent bottle is a container valve, and the liquid outlet end of the container valve is connected by a connecting pipe and a collecting pipe. Connected. 4 . The intelligent leak detection system for heptafluoropropane fire extinguishing equipment according to claim 3 , wherein a check valve is installed on the connecting pipe. 5 . 5. The intelligent leak detection system for heptafluoropropane fire-extinguishing equipment according to claim 1, wherein the power gas valve is a container valve, and the air inlet end of the power gas valve is communicated with the air outlet end of the selection valve through a pilot valve . 6 . The intelligent leak detection system for heptafluoropropane fire extinguishing equipment according to claim 1 , wherein the driving gas valve is a low leakage and high sealing valve. 7 . 7. The intelligent leak detection system for heptafluoropropane fire-extinguishing equipment according to claim 2, characterized in that, both ends of the header are closed, and a safety relief device is connected to the closed end of the header away from one end of the selection valve, and the The safety relief device communicates with the inner side of the header. 8. The intelligent leak detection system for heptafluoropropane fire extinguishing equipment according to claim 1 or 7, wherein the controller has a built-in control mainboard, and the controller panel is provided with a display panel and a control button that are respectively connected to the control mainboard in communication. 9 . The intelligent leak detection system for heptafluoropropane fire-extinguishing equipment according to claim 1 , wherein the motive gas is high-pressure nitrogen. 10 .

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