CN216715859U - A prevent leaking steel bottle for heptafluoropropane - Google Patents

Abstract

The utility model provides a leakage-proof steel cylinder for heptafluoropropane, which is characterized in that: the control valve is installed on the steel cylinder, the outlet end of the control valve is connected to the electromagnetic valve, the electromagnetic valve is connected to the tee joint, a main pipe in the anti-leakage assembly is in butt joint with the tee joint, the end cover covers the main pipe and abuts against the spring, the spring abuts against the piston, the piston is provided with the magnetic device and is sleeved in the main pipe, the magnetic sensor is arranged on the outer wall of the main pipe, and the control module is installed beside the magnetic sensor. This device utilizes the magnetic core on being responsible for the interior piston and the magnetic sensor outside the piston to form pressure monitoring system, and when the pipeline leakage leads to medium pressure to reduce, the magnetic core slides under the spring pressure with the piston and makes the magnetic sensor take place signal variation, detects and to solenoid valve output shutoff instruction through control module, restarts the operation through overhauing after the investigation, realizes the automatic shutoff of heptafluoropropane fire extinguishing systems and prevents leaking the function, reduces the material loss and improves the security of heptafluoropropane container device.

Description

A prevent leaking steel bottle for heptafluoropropane

Technical Field

The utility model belongs to the technical field of fire-fighting equipment preparation, and particularly relates to a leakage-proof steel cylinder for heptafluoropropane.

Background

Heptafluoropropane is a fire extinguishing agent with chemical and physical dual fire extinguishing functions, can effectively extinguish B, C-type fires and electrical fires, and meets the requirement of environmental protection, so that heptafluoropropane is widely applied to important places such as financial institutions, government offices and the like. However, when heptafluoropropane is used, an external connection device or a fire extinguishing system is usually required, even if the quality of the gas cylinder is reliable, leakage risks still exist in subsequent gas circuit connection, conventional valves connected to the gas cylinder cannot rapidly cope with leakage of heptafluoropropane, only manual meter reading can be used for carrying out shutoff operation, and common automatic detection mechanisms are usually complex in structure and difficult to implement. Therefore, a new technical solution is needed to overcome such drawbacks.

SUMMERY OF THE UTILITY MODEL

According to the defects in the prior art, the utility model provides the leakage-proof steel cylinder for the heptafluoropropane, which is used for realizing the automatic shutoff of the leakage occasion of the heptafluoropropane steel cylinder and perfecting the sealing safety function of the container.

The utility model is implemented by the following technical scheme: a leakage-proof steel cylinder for heptafluoropropane comprises a steel cylinder, a control valve, an electromagnetic valve, a tee joint, a plurality of guide pipes, a leakage-proof assembly, a control module and a plurality of electric wires. The control valve is arranged at an upper opening of the steel cylinder, the outlet end of the control valve is connected to the inlet end of the electromagnetic valve through the guide pipe, the outlet end of the electromagnetic valve is connected to the tee joint through another guide pipe, the outlet end of the tee joint is connected to other subsequent pipelines through guide pipes, and the third port of the tee joint is in sealing butt joint with the leakage-proof assembly; the anti-leakage assembly comprises a main pipe, an end cover, a spring, a piston and a magnetic sensor, wherein the main pipe is butted on the tee joint in a pipe thread sealing mode, the end cover is fixedly covered at the upper opening of the main pipe, the lower end face of the end cover abuts against the spring positioned in the inner cavity of the main pipe, the other end of the spring abuts against the piston, and the piston is provided with a magnetic device and is sleeved at the inner wall of the main pipe. The magnetic sensor is arranged on the outer wall of the main pipe, the control module is arranged beside the magnetic sensor and forms signal connection with the magnetic sensor through the electric wire, and the output end of the control module is connected with the electromagnetic valve through the electric wire to form signal connection.

Furthermore, the utility model also comprises a pressure gauge which is arranged at one side of the control valve and used for monitoring the pressure of the medium in the control valve.

Further, prevent letting out subassembly still includes magnetic core, sealing washer, the magnetic core embedding install in the piston terminal surface, the sealing washer embedding is installed in the piston side to form the piston with the sealed installation of being responsible for the inner wall.

Further, the main pipe is made of aluminum.

The utility model utilizes the magnetic core on the piston in the main pipe and the magnetic sensor outside the piston to form a pressure monitoring system, when the medium pressure is reduced due to the leakage of a pipeline, the magnetic core and the piston slide under the pressure of the spring to enable the magnetic sensor to generate signal change, the control module detects and outputs a turn-off instruction to the electromagnetic valve, and the operation is restarted after the maintenance and the investigation, thereby realizing the automatic turn-off and leakage prevention functions of the heptafluoropropane fire extinguishing system, reducing the material loss and improving the safety of the heptafluoropropane container device. Meanwhile, the fire-fighting water tank has the advantages of simple structure, rapid response, low power consumption and easiness in implementation, and has better practical value in the field of fire fighting.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a partial structure of the leakage prevention assembly of the present invention;

fig. 3 is a schematic view of the working state of the present invention.

In the figure: the device comprises a steel cylinder 1, a control valve 2, an electromagnetic valve 3, a tee joint 4, a guide pipe 5, a leakage-proof assembly 6, a main pipe 6a, an end cover 6b, a spring 6c, a piston 6d, a magnetic sensor 6e, a magnetic core 6f, a sealing ring 6g, a control module 7, an electric wire 8 and a pressure gauge 9.

Detailed Description

The utility model is described in further detail below with reference to the drawings.

As shown in fig. 1-2, a leak-proof steel cylinder 1 for heptafluoropropane comprises a steel cylinder 1, a control valve 2, an electromagnetic valve 3, a tee joint 4, a plurality of conduits 5, a leak-proof assembly 6, a control module 7, a plurality of wires 8 and a pressure gauge 9. Heptafluoropropane with a fixed pressure is stored in the steel cylinder 1, the control valve 2 is arranged at an upper opening of the steel cylinder 1, the outlet end of the control valve is connected to the inlet end of the electromagnetic valve 3 through the conduit 5, the outlet end of the electromagnetic valve 3 is connected to the tee joint 4 through another conduit 5, the outlet end of the tee joint 4 is connected to other subsequent pipelines through the conduit 5, and the third port of the tee joint 4 is in sealing butt joint with the leakage-proof assembly 6; prevent letting out subassembly 6 is including being responsible for 6a, end cover 6b, spring 6c, piston 6d, magnetic sensor 6e, magnetic core 6f, sealing washer 6g, be responsible for 6a material for aluminium and dock with pipe thread seal mode on tee bend 4, the fixed lid of end cover 6b fits and is responsible for 6a upper shed department, and end cover 6b lower terminal surface supports one and is located to be responsible for 6a inner chamber spring 6c, the spring 6c other end support piston 6d, piston 6d registrate in being responsible for 6a inner wall department, magnetic core 6f embedding install in piston 6d terminal surface, sealing washer 6g embedding is installed in piston 6d side to form piston 6d with the seal installation of being responsible for 6a inner wall. Magnetic sensor 6e sets up on being responsible for 6a outer wall, control module 7 installs on magnetic sensor 6e and passes through wire 8 makes both form signal connection, and control module 7 output pass through wire 8 connect in solenoid valve 3 forms signal connection, manometer 9 install in 2 one side of control valve for the medium pressure in the monitoring control valve 2.

The working principle of the utility model is as follows:

s1: a conduit 5 connected with a tee joint 4 of the utility model is butted into a fire extinguishing system, an electromagnetic valve 3 is opened through a control module 7, a control valve 2 is opened, heptafluoropropane in a reloading system is flushed into a steel cylinder 1, and the pressure is controlled through the reading of a pressure gauge 9. At this time, the pressure of the heptafluoropropane medium in the pipeline is balanced with the elastic force of the spring 6c, so that the magnetic core 6f on the piston 6d and the sensing end of the magnetic sensor 6e are in the same horizontal line, and the magnetic field detected by the magnetic sensor is changed and a level signal is triggered to be transmitted to the control module 7 only when the magnetic core 6f slides, so that the control module 7 and related electric components can be in a standby state with low power consumption in a non-leakage state of the whole pipeline.

S2: when the gas circuit in the filling system leaks, the pressure gauge 9 can only roughly display the reading, and the working personnel can not observe the pressure at any time and respond, so the automatic turn-off function of the device is required. At this time, the pressure in the pipe is reduced due to leakage, and the balance between the spring 6c and the medium pressure is broken, so that the piston 6d slides downwards (as shown in fig. 2), the magnetic core 6f is far away from the magnetic sensor 6e, the level signal transmitted to the control module 7 is changed, and the control module 7 outputs a closing instruction to the electromagnetic valve 3 according to the level change, thereby realizing the automatic shutoff function in the leakage situation. At the moment, the air tightness of each connecting piece in the fire extinguishing system is checked, maintenance and replacement measures are carried out, then the electromagnetic valve 3 and the control valve 2 are manually opened, and the normal use of the heptafluoropropane fire extinguishing system is guaranteed.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in form, and other modifications and variations may occur to those skilled in the art, which are within the scope of the present invention, according to the features recited in the claims.

Claims (4)

1. The utility model provides a prevent leaking steel bottle for heptafluoropropane, includes steel bottle, control valve, solenoid valve, tee bend, a plurality of pipe, prevents letting out subassembly, control module, a plurality of electric wire, its characterized in that: the steel cylinder is internally provided with heptafluoropropane with quantitative pressure, the control valve is arranged at the upper opening of the steel cylinder, the outlet end of the control valve is connected with the inlet end of the electromagnetic valve through the guide pipe, the outlet end of the electromagnetic valve is connected with the tee joint through another guide pipe, the outlet end of the tee joint is connected into other follow-up pipelines through the guide pipe, the third port of the tee joint is in sealed butt joint with the leakage-proof assembly, the leakage-proof assembly comprises a main pipe, an end cover, a spring, a piston and a magnetic sensor, the main pipe is in butt joint with the tee joint in a pipe thread sealing mode, the end cover is fixedly covered at the upper opening of the main pipe, the lower end face of the end cover butts against the spring positioned in the inner cavity of the main pipe, the other end of the spring butts against the piston, the piston is provided with a magnetic device and is sleeved at the inner wall of the main pipe, the magnetic sensor is arranged on the outer wall of the main pipe, and the control module is arranged beside the magnetic sensor, and the output end of the control module is connected with the electromagnetic valve through the electric wire to form signal connection.

2. A leak resistant cylinder for heptafluoropropane as claimed in claim 1, wherein: the pressure gauge is installed on one side of the control valve and used for monitoring the pressure of a medium in the control valve.

3. A leak resistant cylinder for heptafluoropropane as claimed in claim 1, wherein: the anti-leakage assembly further comprises a magnetic core and a sealing ring, the magnetic core is embedded in the end face of the piston, and the sealing ring is embedded in the side face of the piston, so that the piston and the inner wall of the main pipe are hermetically mounted.

4. A leak resistant cylinder for heptafluoropropane as claimed in claim 1, wherein: the main pipe is made of aluminum.

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