CN106885041B - Liquefied petroleum gas valve safety detection system - Google Patents
Liquefied petroleum gas valve safety detection system Download PDFInfo
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- CN106885041B CN106885041B CN201710303562.7A CN201710303562A CN106885041B CN 106885041 B CN106885041 B CN 106885041B CN 201710303562 A CN201710303562 A CN 201710303562A CN 106885041 B CN106885041 B CN 106885041B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
- F16K37/0041—Electrical or magnetic means for measuring valve parameters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/12—Covers for housings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a liquefied petroleum gas valve safety detection system, wherein a safety valve device is additionally arranged between a valve and a pressure reducing valve, a gas leakage detection device and a gas pressure detection device are arranged in the safety valve device, the gas leakage detection device is used for detecting whether a liquefier leaks outwards, if the liquefier leaks outwards, the gas leakage detection device is powered on, a coil generates a magnetic field, the magnetic field is repelled with a cylindrical magnet, and the cylindrical magnet drives a valve rod to press down, so that a gas guide hole of a valve body of an electromagnetic valve is blocked. The air pressure detection device detects the air pressure in the air guide hole of the valve body of the electromagnetic valve, if the air pressure is smaller, the residual quantity of the liquefied petroleum gas in the air bottle is insufficient, and the air needs to be inflated. The safety valve device is provided with an intelligent cloud system, the intelligent cloud system receives air leakage alarm information and sends data information to a mobile terminal of a user, and the user checks the mobile terminal information to eliminate potential safety hazards at the first time.
Description
Technical Field
The invention relates to the technical field of liquefied petroleum gas valves, in particular to a safety detection system for a liquefied petroleum gas valve.
Background
The liquefied petroleum gas is widely applied to the aspects of resident life, catering service, automobile gas filling, industrial production and the like.
At present, the consumption of liquefied petroleum gas in the market is huge (102 million tons of liquefied petroleum gas are sold in Fushan City of Guangdong province alone, 43 families of bottled liquefied gas operating enterprises, more than 330 million households of bottled liquefied gas users, more than 1560 tons of bottled liquefied gas per day, and more than 10 million bottles of gas per day need to be filled and distributed to users). However, for historical reasons, the admission threshold of the bottled liquefied gas supply market in the current market is low, the market is highly open, and the supervision means is lagged behind, so that the bottled liquefied gas supply market is disordered in order, and the potential safety hazard is serious.
Install the valve on traditional liquefied petroleum gas cylinder, the relief pressure valve is connected to the valve, and the gas kitchen is connected to the relief pressure valve, and this kind of connected mode still has certain potential safety hazard, for example leaks gas, atmospheric pressure is low, and the user can not know the very first time, in order to avoid this type of potential safety hazard, needs to install detection device additional to liquefied petroleum gas cylinder.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a liquefied petroleum gas valve safety detection system.
In order to solve the technical problem, the invention is realized by the following scheme: a safety detection system for a liquefied petroleum gas valve comprises a safety valve device and an intelligent cloud system, wherein a signal connector is arranged in the safety valve device and is connected with the intelligent cloud system through a signal sent by the signal connector, and the intelligent cloud system provides active service for a user according to signal data sent by the safety valve device; the safety valve device is connected with the pressure reducing valve through a pressure reducing valve adapter, the other end of the safety valve device is connected with the liquefied petroleum gas valve, and the other end of the pressure reducing valve is connected with the gas stove through a gas guide pipe;
the safety valve device comprises an upper shell and a lower shell, the upper shell and the lower shell are fixed by bolts after being covered, connecting holes are formed in cover seams of left and right end faces after being covered, a containing cavity is formed in the containing cavity, an electromagnetic valve assembly, a pressure induction control assembly and a PCB are arranged in the containing cavity, two ends of an electromagnetic valve body of the electromagnetic valve assembly are hermetically connected with joints of the two connecting holes, and an electromagnetic valve switch assembly and a pressure induction control assembly are sequentially arranged on the side wall of the electromagnetic valve body from the air inlet direction to the air outlet direction; a gas leakage detection and control module, a buzzer alarm and a gas detection sensor are arranged on the PCB;
the gas leakage detection and control module is respectively electrically connected with the gas detection sensor and the buzzer alarm, the gas detection sensor detects gas leakage and sends a detection signal to the gas leakage detection and control module, the gas leakage detection and control module controls the buzzer alarm to give out a sound alarm and simultaneously enables the solenoid valve switch assembly to be electrified, after the solenoid valve switch assembly is electrified, a magnetic field is formed to control the cylindrical magnet inside the solenoid valve switch assembly to be pressed downwards, the cylindrical magnet is pressed downwards to drive the valve rod to be pressed downwards, and the valve rod drives the sealing gasket at the lower end part of the valve rod to be pressed downwards to seal the gas guide hole of the solenoid valve body;
the pressure sensing control assembly senses the air pressure in the air guide hole of the electromagnetic valve body, and when the air pressure is not enough to jack the pressure switch assembly of the pressure sensing control assembly, the pressure switch assembly presses downwards to enable the magnetic piston to plug the air guide hole in the rear part of the electromagnetic valve body;
the intelligent cloud system comprises an intelligent cloud platform, and the intelligent cloud platform comprises:
the user module comprises a recharge payment module, a call distribution module, a call maintenance module and a user information module, wherein the user information module at least comprises the name, the address and the telephone of a user;
the system comprises a gas station module, a data processing module and a data processing module, wherein the gas station module is a background server and is used for receiving the demand information of a user module and correspondingly processing the demand information;
the gas leakage signal processing module is used for processing the received gas leakage data information and sending the gas leakage data information to a mobile terminal of a user, the user checks the information of the mobile terminal, performs corresponding safety processing on the safety valve device and the liquefied petroleum gas valve and calls a maintenance center to perform maintenance processing;
the insufficient gas volume signal processing module is used for reminding a user that gas pressure of the gas cylinder is insufficient, and indicating that the gas cylinder needs to be filled with gas, the mobile terminal of the user receives information, and sends demand information by calling the distribution module, and meanwhile, the intelligent cloud platform recharges and pays, the demand information is sent to the background server of the gas station module, and the background server performs distribution service according to the demand information.
Furthermore, a gas outlet metal pipe and a pressure reducing valve adapter are respectively arranged on left and right connecting holes after the upper shell and the lower shell are covered, a hand wheel is sleeved on the gas outlet metal pipe, a valve mouth joint is arranged at the end part of the gas outlet metal pipe, the valve mouth joint is connected with a valve mouth at the end part, a sealing leather cup is sleeved at the outer end of the valve mouth, and the sealing leather cup is tightly propped against an air inlet of the hand wheel to form sealing;
the upper end face of the upper shell is provided with an opening.
Furthermore, the electromagnetic valve assembly comprises an electromagnetic valve body and an electromagnetic valve switch assembly, the left end and the right end of the electromagnetic valve body are respectively connected with the gas outlet metal pipe and the pressure reducing valve adapter in a sealing manner, the side wall of the electromagnetic valve body is provided with two connecting ports, one connecting port is connected with the electromagnetic valve switch assembly, and the other connecting port is connected with the pressure sensing control assembly;
the electromagnetic valve switch component comprises a valve rod, a screw rod, a threaded sleeve, a coil, an outer cover, an electromagnetic valve spring, a cylindrical magnet, a sealing gasket and an electromagnetic valve sealing ring, wherein the outer cover is in an inverted round cup shape, the bottom surface of the outer cover is open, the bottom surface of the cup is attached to the top surface of an inner cavity of the upper shell, the bottom surface of the cup of the outer cover is overlapped with an opening of the upper shell, the upper end of the screw rod is connected with a first nut through the opening in a threaded manner after being overlapped, a second step is arranged on the outer side wall of the screw rod and supports a coil rack, the coil rack is arranged between the outer side wall of the screw rod and the inner side wall of the outer cover, the coil is wound on a groove ring of the coil rack, a cavity is arranged in the inner cavity of the screw rod, the cavity is an inverted T-shaped cavity, the cavity at the lower part is wider, a valve rod is arranged in the cavity at the upper part, a blind hole groove is formed in the upper end of the valve rod, a cylindrical magnet is embedded in the blind hole groove, a threaded sleeve is sleeved on the side wall of the lower end of the valve rod, a blind hole groove is formed in the bottom end of the valve rod, a sealing gasket is arranged in the blind hole groove, the threaded sleeve is positioned in the cavity at the lower part of the screw rod, an electromagnetic valve spring is sleeved on the waist part of the valve rod, one end of the electromagnetic valve spring abuts against the threaded sleeve, the other end of the electromagnetic valve spring abuts against the upper step of the valve rod, and the electromagnetic valve spring upwards supports the valve rod;
when the coil is electrified, a magnetic field is generated, the magnetic field and the cylindrical magnet repel each other, a downward repulsive force is given to the cylindrical magnet, the cylindrical magnet is pressed downwards to drive the valve rod to be pressed downwards, and the lower end of the valve rod is pressed into the air guide cavity of the valve body of the electromagnetic valve to seal the air guide cavity.
Furthermore, a solenoid valve sealing ring is arranged at the joint of the screw rod and the solenoid valve body.
Further, the forced induction control subassembly includes pressure sensor, second nut, magnetic switch, magnetism piston, sealing washer, pressure sensor spring, the sealed pad of second, second connector department threaded connection of solenoid valve body has the second screw rod, the second screw rod is equipped with the cavity of upper and lower end intercommunication, and second nut threaded connection closing cap is passed through at its top, and its junction is provided with the sealed pad of second, be equipped with the step in the second screw rod cavity, be provided with the magnetism piston in the step epicoele, the magnetism piston is protruding type, and its convex part cover has the pressure sensor spring, the pressure sensor spring other end top is on the second nut, the side of second screw rod is provided with pressure sensor, magnetic switch, pressure sensor and magnetic switch electric connection.
Furthermore, an O-shaped sealing ring is arranged at the joint between the second screw and the electromagnetic valve body.
Compared with the prior art, the invention has the beneficial effects that: the invention discloses a safety detection system for a liquefied petroleum gas valve, wherein a safety valve device is additionally arranged between the valve and a pressure reducing valve, a gas leakage detection device and a gas pressure detection device are arranged in the safety valve device, the gas leakage detection device is used for detecting whether a liquefier leaks outwards, if the gas leakage detection device is electrified after the gas leakage detection device leaks, a coil generates a magnetic field, the magnetic field is repelled by a cylindrical magnet, and the cylindrical magnet drives a valve rod to press down, so that an air guide hole of a valve body of an electromagnetic valve is blocked. The air pressure detection device detects the air pressure in the air guide hole of the valve body of the electromagnetic valve, if the air pressure is smaller, the residual quantity of the liquefied petroleum gas in the air bottle is insufficient, and the air needs to be inflated. The safety valve device is provided with an intelligent cloud system, the intelligent cloud system receives air leakage alarm information and sends data information to a mobile terminal of a user, and the user checks the mobile terminal information to eliminate potential safety hazards at the first time. The intelligent cloud system also comprises a recharge payment module, a call distribution module, a call maintenance module and a user information module, can be directly operated on the system, and has related inflation records.
Drawings
FIG. 1 is a schematic view of a safety valve device according to the present invention;
FIG. 2 is a perspective view showing the appearance of the safety valve device according to the present invention;
FIG. 3 is a perspective view of the relief valve assembly of the present invention connected to a pressure relief valve;
fig. 4 is a schematic block diagram of an intelligent cloud system of the present invention.
In the drawings, the reference numbers: the gas leakage detection and control device comprises a solenoid valve body 1, a valve rod 2, a screw rod 3, a threaded sleeve 4, a coil 5, a nut 7, a valve nozzle 8, a hand wheel 9, a pressure sensor 10, a nut 11, a magnetic switch 12, a magnetic piston 13, a sealing ring 14, a pressure reducing valve adapter 15, a pressure reducing valve 16, a gas leakage detection and control module 17, a pressure sensor spring 18, a solenoid valve spring 19, a cylindrical magnet 20, a sealing gasket 21, a solenoid valve sealing ring 22, a first O-shaped sealing ring 23, a second O-shaped sealing ring 24, an upper shell 25, a lower shell 26, a valve nozzle connector 27, a second sealing gasket 28, a buzzer alarm 29, a gas detection sensor 30 and a sealing leather cup 31.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.
Referring to fig. 1-4, the safety detection system for the liquefied petroleum gas valve of the present invention includes a safety valve device and an intelligent cloud system, wherein a signal connector is disposed in the safety valve device and is connected to the intelligent cloud system through a signal transmitted by the signal connector, and the intelligent cloud system provides active service for a user according to signal data transmitted by the safety valve device; the safety valve device is connected with a pressure reducing valve 16 through a pressure reducing valve adapter 15, the other end of the safety valve device is connected with a liquefied petroleum gas valve, and the other end of the pressure reducing valve 16 is connected with a gas cooker through a gas guide pipe;
the safety valve device comprises an upper shell 26 and a lower shell 25, wherein the upper shell 26 and the lower shell 25 are fixed by bolts after being covered, connecting holes are formed in the covering seams of the left end surface and the right end surface after being covered, a containing cavity is formed in the containing cavity, an electromagnetic valve assembly, a pressure induction control assembly and a PCB are arranged in the containing cavity, two ends of an electromagnetic valve body 1 of the electromagnetic valve assembly are hermetically connected with joints at the two connecting holes, and an electromagnetic valve switch assembly and a pressure induction control assembly are sequentially arranged on the side wall of the electromagnetic valve body 1 from the air inlet direction to the air outlet direction; a gas leakage detection and control module 17, a buzzer alarm 29 and a gas detection sensor 30 are arranged on the PCB;
the gas leakage detection and control module 17 is respectively electrically connected with the gas detection sensor 30 and the buzzer alarm 29, the gas detection sensor 30 detects gas leakage and sends a detection signal to the gas leakage detection and control module 17, the gas leakage detection and control module 17 controls the buzzer alarm 29 to send out a sound alarm, the solenoid valve switch component is powered on, after the solenoid valve switch component is powered on, a magnetic field is formed to control the cylindrical magnet 20 inside the solenoid valve component to be pressed down, the cylindrical magnet 20 is pressed down to drive the valve rod 2 to be pressed down, the valve rod 2 drives the sealing gasket 21 at the lower end part of the valve rod 2 to be pressed down, and a gas guide hole of the solenoid valve body 1 is closed;
the pressure sensing control assembly senses the air pressure in the air guide hole of the electromagnetic valve body 1, and when the air pressure is not enough to jack up the pressure switch assembly of the pressure sensing control assembly, the pressure switch assembly presses down to enable the magnetic piston 13 to plug the air guide hole at the rear part of the electromagnetic valve body 1;
the intelligent cloud system comprises an intelligent cloud platform, and the intelligent cloud platform comprises: the user module comprises a recharging and paying module, a call distribution module, a call maintenance module and a user information module, wherein the user information module at least comprises the name, address and telephone of a user;
the system comprises a gas station module, a data processing module and a data processing module, wherein the gas station module is a background server and is used for receiving the demand information of a user module and correspondingly processing the demand information;
the gas leakage signal processing module is used for processing the received gas leakage data information and sending the gas leakage data information to a mobile terminal of a user, the user checks the information of the mobile terminal, performs corresponding safety processing on the safety valve device and the liquefied petroleum gas valve and calls a maintenance center to perform maintenance processing;
the insufficient gas volume signal processing module is used for reminding a user that gas pressure of the gas cylinder is insufficient, and indicating that the gas cylinder needs to be filled with gas, the mobile terminal of the user receives information, and sends demand information by calling the distribution module, and meanwhile, the intelligent cloud platform recharges and pays, the demand information is sent to the background server of the gas station module, and the background server performs distribution service according to the demand information.
A gas outlet metal pipe and a pressure reducing valve adapter 15 are respectively arranged on left and right connecting holes of the upper shell 26 and the lower shell 25 after covering, a hand wheel 9 is sleeved on the gas outlet metal pipe, a valve mouth joint 27 is arranged at the end part of the gas outlet metal pipe, the end part of the valve mouth joint 27 is connected with a valve mouth 8, a sealing leather cup 31 is sleeved at the outer end of the valve mouth 8, and the sealing leather cup 31 is tightly propped against an air inlet of the hand wheel 9 to form sealing;
the upper end surface of the upper shell 26 is provided with an opening.
The electromagnetic valve assembly comprises an electromagnetic valve body 1 and an electromagnetic valve switch assembly, the left end and the right end of the electromagnetic valve body 1 are respectively connected with a gas outlet metal pipe and a pressure reducing valve adapter 15 in a sealing mode, two connecting ports are formed in the side wall of the electromagnetic valve body 1, one connecting port is connected with the electromagnetic valve switch assembly, and the other connecting port is connected with the pressure sensing control assembly;
the electromagnetic valve switch component comprises a valve rod 2, a screw rod 3, a threaded sleeve 4, a coil 5, an outer cover 6, an electromagnetic valve spring 19, a cylindrical magnet 20, a sealing gasket 21 and an electromagnetic valve sealing ring 22, wherein the outer cover 6 is in an inverted round cup shape, the bottom surface of the outer cover is open, the bottom surface of the outer cover is attached to the top surface of the inner cavity of an upper shell 26, the opening of the bottom surface of the outer cover 6 is overlapped with the opening of the upper shell 26, the outer side wall of the screw rod 3 is tightly pressed from the inner side of the upper shell 26 through the screw rod 3 after overlapping, so that the upper end of the screw rod 3 is in threaded connection with a first nut 7 through the opening, a second step is arranged on the outer side wall of the screw rod 3 and supports the coil rack, the coil rack is arranged between the outer side wall of the screw rod 3 and the inner side wall of the outer shell 6, the coil 5 is wound on the groove of the coil rod 3, the cavity is an inverted T-shaped cavity, the cavity is wider at the lower part, the cavity is provided with the valve rod 2, the blind hole groove is provided with the blind hole groove at the upper part, the lower part, the blind hole groove is provided with the valve rod 2, the blind hole groove is provided with the blind hole groove, the cylindrical magnet 20, the lower part of the valve rod 2, the blind hole is sleeved on the lower part of the valve rod 2, the threaded sleeve 4, the valve rod 2, the lower part of the solenoid valve rod 19, the solenoid valve rod 2, the other end of the solenoid valve rod 19 is sleeved with the spring 19, and the other end of the solenoid valve rod 2, and the solenoid valve rod 2 is sleeved with the other end of the solenoid valve rod 19, and the solenoid valve rod 2;
when the coil 5 is electrified, a magnetic field is generated, the magnetic field is repelled with the cylindrical magnet 20, a downward repulsive force is given to the cylindrical magnet 20, the cylindrical magnet 20 is pressed down to drive the valve rod 2 to be pressed down, and the lower end of the valve rod 2 is pressed into the air guide cavity of the electromagnetic valve body 1 to seal the air guide cavity.
And an electromagnetic valve sealing ring 22 is arranged at the joint of the screw rod 3 and the electromagnetic valve body 1.
The pressure sensing control assembly comprises a pressure sensor 10, a second screw cap 11, a magnetic switch 12, a magnetic piston 13, a sealing ring 14, a pressure sensor spring 18 and a second sealing gasket 28, a second screw rod is in threaded connection with a second connecting port of the electromagnetic valve body 1, the second screw rod is provided with a cavity communicated with the upper end and the lower end, the top of the second screw rod is provided with a sealing cover connected with the second screw cap 11 through threads, the joint of the second screw rod is provided with the second sealing gasket 28, a step is arranged in the cavity of the second screw rod, the magnetic piston 13 is arranged in the cavity of the step, the magnetic piston 13 is convex, the convex part of the magnetic piston is sleeved with the pressure sensor spring 18, the other end of the pressure sensor spring 18 is supported on the second screw cap 11, the side of the second screw rod is provided with the pressure sensor 10 and the magnetic switch 12, and the pressure sensor 10 is electrically connected with the magnetic switch 12. And an O-shaped sealing ring 24 is arranged at the joint between the second screw and the electromagnetic valve body 1.
The invention discloses a liquefied petroleum gas valve safety detection system, wherein a safety valve device is additionally arranged between a valve and a pressure reducing valve, a gas leakage detection device and a gas pressure detection device are arranged in the safety valve device, the gas leakage detection device is used for detecting whether a liquefier leaks outwards, if the liquefier leaks outwards, the gas leakage detection device is powered on, a coil generates a magnetic field, the magnetic field is repelled with a cylindrical magnet, and the cylindrical magnet drives a valve rod to press down, so that a gas guide hole of a valve body of an electromagnetic valve is blocked. The air pressure detection device detects the air pressure in the air guide hole of the valve body of the electromagnetic valve, if the air pressure is smaller, the liquefied petroleum gas allowance in the air bottle is insufficient, and air inflation is needed. The safety valve device is provided with an intelligent cloud system, the intelligent cloud system receives air leakage alarm information and sends data information to a mobile terminal of a user, and the user checks the mobile terminal information to eliminate potential safety hazards at the first time. The intelligent cloud system also comprises a recharge payment module, a call distribution module, a call maintenance module and a user information module, can be directly operated on the system, and has related inflation records.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A safety detection system for a liquefied petroleum gas valve comprises a safety valve device and an intelligent cloud system, wherein a signal connector is arranged in the safety valve device and is connected with the intelligent cloud system through a signal sent by the signal connector, and the intelligent cloud system provides active service for a user according to signal data sent by the safety valve device; the safety valve device is connected with a pressure reducing valve (16) through a pressure reducing valve adapter (15), the other end of the safety valve device is connected with a liquefied petroleum gas valve, and the other end of the pressure reducing valve (16) is connected with a gas cooker through a gas guide pipe;
the method is characterized in that: the safety valve device comprises an upper shell (26) and a lower shell (25), wherein the upper shell (26) and the lower shell (25) are fixed by bolts after being covered, connecting holes are formed in the covering seams of the left end surface and the right end surface after being covered, a containing cavity is formed in the containing cavity, an electromagnetic valve component, a pressure induction control component and a PCB are arranged in the containing cavity, two ends of an electromagnetic valve body (1) of the electromagnetic valve component are hermetically connected with joints at the two connecting holes, and an electromagnetic valve switch component and a pressure induction control component are sequentially arranged on the side wall of the electromagnetic valve body (1) from the air inlet direction to the air outlet direction; a gas leakage detection and control module (17), a buzzer alarm (29) and a gas detection sensor (30) are arranged on the PCB;
the gas leakage detection and control module (17) is respectively electrically connected with the gas detection sensor (30) and the buzzer alarm (29), the gas detection sensor (30) detects gas leakage and sends a detection signal to the gas leakage detection and control module (17), the gas leakage detection and control module (17) controls the buzzer alarm (29) to send out a sound alarm and enables the solenoid valve switch component to be electrified, after the solenoid valve switch component is electrified, a magnetic field is formed to control the cylindrical magnet (20) inside the solenoid valve component to be pressed down, the cylindrical magnet (20) is pressed down to drive the valve rod (2) to be pressed down, the valve rod (2) drives the sealing gasket (21) at the lower end part of the valve rod to be pressed down, and a gas guide hole of the solenoid valve body (1) is sealed;
the pressure sensing control assembly senses the air pressure in the air guide hole of the electromagnetic valve body (1), and when the air pressure is not enough to jack the pressure switch assembly of the pressure sensing control assembly, the pressure switch assembly presses down to enable the magnetic piston (13) to plug the air guide hole in the rear part of the electromagnetic valve body (1);
the intelligent cloud system comprises an intelligent cloud platform, and the intelligent cloud platform comprises:
the user module comprises a recharge payment module, a call distribution module, a call maintenance module and a user information module, wherein the user information module at least comprises the name, the address and the telephone of a user;
the gas station module is a background server and is used for receiving the demand information of the user module and correspondingly processing the demand information;
the gas leakage signal processing module is used for processing the received gas leakage data information and sending the gas leakage data information to a mobile terminal of a user, the user checks the information of the mobile terminal, performs corresponding safety processing on the safety valve device and the liquefied petroleum gas valve and calls a maintenance center to perform maintenance processing;
the gas quantity shortage signal processing module is used for reminding a user that gas cylinder gas pressure is insufficient, indicating that the gas cylinder needs to be filled with gas, receiving information by a mobile terminal of the user, calling the distribution module to send demand information, simultaneously recharging and paying, sending the demand information to a background server of the gas station module by the intelligent cloud platform, and carrying out distribution service by the background server according to the demand information.
2. The liquefied petroleum gas valve safety detection system according to claim 1, wherein: a gas outlet metal pipe and a pressure reducing valve adapter (15) are respectively arranged on left and right connecting holes after the upper shell (26) and the lower shell (25) are covered, a hand wheel (9) is sleeved on the gas outlet metal pipe, a valve nozzle joint (27) is arranged at the end part of the gas outlet metal pipe, the end part of the valve nozzle joint (27) is connected with a valve nozzle (8), a sealing leather cup (31) is sleeved at the outer end of the valve nozzle (8), and the sealing leather cup (31) is tightly propped against an air inlet of the hand wheel (9) to form sealing;
the upper end face of the upper shell (26) is provided with an opening.
3. The liquefied petroleum gas valve safety detection system according to claim 2, wherein: the electromagnetic valve assembly comprises an electromagnetic valve body (1) and an electromagnetic valve switch assembly, the left end and the right end of the electromagnetic valve body (1) are respectively connected with a gas outlet metal pipe and a pressure reducing valve adapter (15) in a sealing mode, two connecting ports are formed in the side wall of the electromagnetic valve body (1), one connecting port is connected with the electromagnetic valve switch assembly, and the other connecting port is connected with the pressure sensing control assembly;
the electromagnetic valve switch component comprises a valve rod (2), a screw rod (3), a threaded sleeve (4), a coil (5), an outer cover (6), an electromagnetic valve spring (19), a cylindrical magnet (20), a sealing gasket (21) and an electromagnetic valve sealing ring (22), wherein the outer cover (6) is in an inverted round cup shape, the bottom surface of the cup is open and the top surface of the inner cavity of an upper shell (26), the bottom surface of the cup is attached to the top surface of the inner cavity of the upper shell (26), the opening of the bottom surface of the cup of the outer cover (6) is superposed with the opening of the upper shell (26), the outer wall of the cup is pressed by the screw rod (3) from the inner side of the upper shell (26) after superposition, the upper end of the screw rod (3) is in threaded connection with a first nut (7) through the opening, a second-stage step is arranged on the outer side wall of the screw rod (3), the coil (5) is arranged on the groove ring of the coil rack, the inner cavity of the screw rod (3) is provided with a cavity, the inverted T-shaped cavity, the lower cavity is wider cavity, the valve rod (2) is provided with the valve rod (2), the blind hole (3), the blind hole (20) is embedded in the blind hole (4), and the blind hole (3) is arranged in the blind hole (21) and the blind hole (4) and the blind hole (3) and the blind hole (4) is arranged in the blind hole of the blind hole (3), an electromagnetic valve spring (19) is sleeved at the waist of the valve rod (2), one end of the electromagnetic valve spring (19) is propped against the threaded sleeve (4), the other end of the electromagnetic valve spring is propped against the upper step of the valve rod (2), and the electromagnetic valve spring (19) upwards supports the valve rod (2);
when the coil (5) is electrified, a magnetic field is generated, the magnetic field is repelled with the cylindrical magnet (20), a downward repulsive force is given to the cylindrical magnet (20), the cylindrical magnet (20) is pressed down to drive the valve rod (2) to be pressed down, and the lower end of the valve rod (2) is pressed into the air guide cavity of the electromagnetic valve body (1) to seal the air guide cavity.
4. The liquefied petroleum gas valve safety detection system according to claim 2, wherein: and an electromagnetic valve sealing ring (22) is arranged at the joint of the screw rod (3) and the electromagnetic valve body (1).
5. The liquefied petroleum gas valve safety detection system according to claim 1, wherein: the pressure induction control assembly comprises a pressure sensor (10), a second nut (11), a magnetic switch (12), a magnetic piston (13), a sealing ring (14), a pressure sensor spring (18) and a second sealing gasket (28), a second connecting port of the electromagnetic valve body (1) is in threaded connection with a second screw, the second screw is provided with a cavity communicated with the upper end and the lower end, the top of the second screw is provided with a second sealing gasket (28) in threaded connection with the second nut (11), a step is arranged in the cavity of the second screw, the magnetic piston (13) is arranged in the cavity of the step, the magnetic piston (13) is convex, the convex part of the magnetic piston is sleeved with the pressure sensor spring (18), the other end of the pressure sensor spring (18) is abutted to the second nut (11), the side of the second screw is provided with the pressure sensor (10) and the magnetic switch (12), and the pressure sensor (10) is electrically connected with the magnetic switch (12).
6. The liquefied petroleum gas valve safety detection system according to claim 5, wherein: and an O-shaped sealing ring (24) is arranged at the joint between the second screw and the electromagnetic valve body (1).
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| CN201710303562.7A CN106885041B (en) | 2017-05-03 | 2017-05-03 | Liquefied petroleum gas valve safety detection system |
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| CN108488629A (en) * | 2018-03-27 | 2018-09-04 | 广州合众生物科技有限公司 | A kind of gas pressure reduction system and method with warning function |
| CN108397568A (en) * | 2018-06-05 | 2018-08-14 | 陈重 | A kind of elastomeric valves |
| CN113915402B (en) * | 2021-10-29 | 2024-01-30 | 昆山莱恒洁净材料有限公司 | Diaphragm sealing valve |
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| JP2012127882A (en) * | 2010-12-17 | 2012-07-05 | Yazaki Corp | Leakage detection device and leakage detection method |
| CN106155126B (en) * | 2015-04-14 | 2022-09-23 | 常州市汇丰船舶附件制造有限公司 | High-pressure gas integrated pressure reduction module |
| CN106016380B (en) * | 2016-07-06 | 2018-05-01 | 宁波忻杰燃气用具实业有限公司 | Bottle gas security alarm disconnecting device |
| CN206130232U (en) * | 2016-09-30 | 2017-04-26 | 上海埃鲁秘工业炉制造有限公司 | Gas controlling valve |
| CN106448082A (en) * | 2016-10-31 | 2017-02-22 | 哈尔滨朋来科技开发有限公司 | Intelligent domestic fuel gas monitoring and processing system |
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