Communication module suitable for electromagnetic emergency cut-off valve and intelligent electromagnetic emergency cut-off valve

Abstract

The utility model relates to the technical field of emergency cut-off valves, aims to solve the problems that in the prior art, when a wired electromagnetic valve is subjected to wireless transformation, the process is complex, the cost is high, and gas use of a user is affected, and provides a communication module suitable for an electromagnetic emergency cut-off valve and the intelligent electromagnetic emergency cut-off valve. The communication module comprises a communication module shell, a battery and a circuit board, the circuit board and the battery are installed in the communication module shell, and the battery is connected with a power line of the electromagnetic emergency cut-off valve through the circuit board; the communication module can be used for conveniently carrying out wireless transformation on the electromagnetic emergency cut-off valve which is provided with wired control; the intelligent electromagnetic emergency cut-off valve can be remotely controlled, is flexible and convenient to control, is high in safety and attractiveness, and is more suitable for automatic production of products.

Description

Technical Field

[0001] This utility model relates to the field of emergency shut-off valve technology, and more specifically, to a communication module suitable for electromagnetic emergency shut-off valves and an intelligent electromagnetic emergency shut-off valve. Background Technology

[0002] Existing solenoid valves typically obtain power and valve-closing signals by connecting to a combustible gas detector via wires, and the connected wires affect the aesthetics.

[0003] When retrofitting existing solenoid valves wirelessly, since solenoid emergency shut-off valves are generally installed on metal gas pipes in homes, it is necessary to first remove the wired solenoid emergency shut-off valve and then install the wireless solenoid emergency shut-off valve. This replacement and installation is costly and affects the user's normal use of gas.

[0004] like Figures 1-5 As shown, the existing electromagnetic shut-off valve uses a large diaphragm structure for external airtight sealing, which is not conducive to automated production. The diaphragm parts are large in size, require a lot of materials, and have high costs. Figures 1-5 In the middle, 101 is the moving iron core, 103 is the spring, the upper diaphragm 102 is used to isolate and seal the electromagnetic shut-off valve from the external air, and the lower diaphragm 105 is used to cut off and seal the gas in the valve body when the valve is closed. The middle cavity of the lower diaphragm 105 is large and the opening is small, so it can only be manually put into the diaphragm support 104. Utility Model Content

[0005] This utility model aims to provide a communication module and an intelligent electromagnetic emergency shut-off valve suitable for electromagnetic emergency shut-off valves, in order to solve the problems of complex process, high cost, and impact on users' gas usage when wirelessly modifying wired electromagnetic valves in the prior art.

[0006] This utility model is achieved using the following technical solution:

[0007] This utility model provides a communication module suitable for electromagnetic emergency shut-off valves, including a communication module housing, a battery, and a circuit board. The circuit board and the battery are installed inside the communication module housing, and the battery is connected to a power line of the electromagnetic emergency shut-off valve through the circuit board.

[0008] The battery is used to provide pulse power to the electromagnetic emergency shut-off valve, and the circuit board is used to control whether the battery is connected to the power line.

[0009] The communication module, as a standalone product, allows for easy wireless retrofitting of existing wired electromagnetic emergency shut-off valves. It eliminates the need for extra wiring, ensuring aesthetics, and enables flexible and convenient wireless control, enhancing safety. Furthermore, the retrofit cost is low, requiring no removal of the existing electromagnetic emergency shut-off valve. Simply connect the power cord of the original valve to the communication module. Installation is extremely convenient; the module can be easily fixed to a wall, clipped onto the existing valve, or attached to a nearby steel pipe.

[0010] As a preferred technical solution:

[0011] The circuit board is equipped with a control circuit and a communication antenna. The communication antenna is used to communicate wirelessly with the remote control system and receive remote control commands. The control circuit is used to receive commands from the communication antenna.

[0012] As a preferred technical solution:

[0013] The communication module housing is provided with a clamping component, which is used to clamp onto the electromagnetic emergency shut-off valve or the vent pipe connected to the electromagnetic emergency shut-off valve.

[0014] As a preferred technical solution:

[0015] The clamping component includes clamping pieces symmetrically connected to both sides of the communication module housing.

[0016] As a preferred technical solution:

[0017] The clamp is made of plastic sheet, which elastically clamps the vent tube.

[0018] As a preferred technical solution:

[0019] The clamping component is not limited to clamping plates, but can also adopt structures such as grippers.

[0020] As a preferred technical solution:

[0021] The communication module also includes a battery cover, which is mounted on the housing of the communication module and is used to encapsulate the circuit board and the battery within the housing of the communication module.

[0022] This utility model further provides an intelligent electromagnetic emergency shut-off valve, including an electromagnetic emergency shut-off valve body, wherein the power cord of the electromagnetic emergency shut-off valve body is connected to the circuit board of the communication module applicable to the electromagnetic emergency shut-off valve described above.

[0023] As a preferred technical solution:

[0024] The electromagnetic emergency shut-off valve body includes a valve body, with an air inlet and an air outlet at its two ends. A valve cover mounting port is provided on the valve body, and a valve cover is installed at the valve cover mounting port. A baffle is provided inside the valve body, and a control on / off port is formed between the baffle and the valve body.

[0025] The valve cover is connected to an on / off control device, one end of which passes through the valve cover and extends into the valve body, and is capable of closing the control on / off port.

[0026] The on / off control device includes a moving iron core, a diaphragm support, and a diaphragm. One end of the moving iron core passes through the valve cover and extends into the valve body, and is connected to the diaphragm fixing component. The moving iron core and the diaphragm fixing component are connected by interference fit riveting.

[0027] The diaphragm support and the diaphragm are connected to the moving iron core via the diaphragm fixing member, and the diaphragm is used to close the control on / off port;

[0028] An elastic compression member is fitted around the outside of the diaphragm support, and the elastic compression member abuts between the diaphragm support and the valve cover.

[0029] As a preferred technical solution:

[0030] The elastic compression element is a spring, but not limited to springs; other components with elastic deformation capabilities may also be used.

[0031] As a preferred technical solution:

[0032] The diaphragm support and the diaphragm are sleeved on the diaphragm fixing member, and the diaphragm is installed inside the diaphragm support. The diaphragm is used to contact the baffle and the valve body.

[0033] As a preferred technical solution:

[0034] The diaphragm fixing component adopts a diaphragm rivet, and the moving iron core and the diaphragm rivet are connected by interference fit riveting, with one end of the moving iron core being interference fit riveted into the diaphragm rivet.

[0035] As a preferred technical solution:

[0036] The diaphragm fastener is not limited to diaphragm rivets; other components capable of interferometric riveting can also be used.

[0037] As a preferred technical solution:

[0038] A first sealing ring is installed on the lower outer circle of the moving iron core, and the first sealing ring is located between the moving iron core and the valve cover;

[0039] A second sealing ring is provided between the mating surfaces of the valve cover and the valve body.

[0040] As a preferred technical solution:

[0041] The first sealing ring and the second sealing ring are O-ring rubber sealing rings.

[0042] As a preferred technical solution:

[0043] The on / off control device also includes an electromagnet core assembly, which cooperates with the moving iron core to make the moving iron core move up and down, thereby driving the diaphragm to open or close the control on / off port.

[0044] As a preferred technical solution:

[0045] The electromagnet core assembly includes a core shell, a fixed core, a permanent magnet, a silicon steel sheet, a coil frame, and a power line. The fixed core, the permanent magnet, the silicon steel sheet, and the coil frame are installed inside the core shell. One end of the power line extends out of the core shell, and the other end of the power line is connected to the coil frame. The fixed core is positioned above the moving core.

[0046] Since the permanent magnet itself has a constant magnetic field, the fixed iron core becomes magnetic under the magnetization of the permanent magnet. When the moving iron core and the fixed iron core are attracted together by magnetic force, the diaphragm does not close the control switch, and gas can pass through the valve body. At this time, the valve is in the open state.

[0047] When the communication module receives a valve-closing signal, it provides pulse power to the electromagnet core assembly via the power line. During power supply, the coil frame generates a magnetic force opposite to that of the permanent magnet by causing the silicon steel sheet. There is no magnetic connection between the fixed iron core and the moving iron core. The compressed elastic compression member resets and pushes the diaphragm support downward. The diaphragm moves downward until it presses against the baffle and the valve body, preventing gas from passing through the valve body. At this point, the valve is in the closed state.

[0048] As a preferred technical solution:

[0049] The other end of the moving iron core is connected to the button, and one end of the button passes through the fixed iron core and is connected to the moving iron core;

[0050] The button is provided with a protective cover, which is fixedly connected to the top of the iron core shell.

[0051] The button can move up and down together with the moving iron core; the protective cover can prevent other objects from impacting the button inside and causing the valve to close.

[0052] As a preferred technical solution:

[0053] The top of the protective cover has an opening to facilitate operation of the button.

[0054] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:

[0055] 1. The communication module of this utility model can be directly installed on the existing electromagnetic emergency shut-off valve, wirelessly modifying the existing electromagnetic emergency shut-off valve. This not only eliminates the need for extra wires, ensuring aesthetics, but also enables wireless control, making control flexible and convenient, improving safety. Furthermore, the modification cost is low, as there is no need to remove the existing electromagnetic emergency shut-off valve; only the power cord of the existing electromagnetic emergency shut-off valve needs to be connected to the circuit board of the communication module.

[0056] 2. The communication module of this utility model is easy to fix. It can be fixed to the wall or clipped to the existing electromagnetic emergency shut-off valve or the steel pipe next to it. The installation is very convenient.

[0057] 3. The intelligent electromagnetic emergency shut-off valve of this utility model is equipped with a communication module, which can be remotely controlled, making it flexible and convenient to control, and offering high safety and aesthetics.

[0058] 4. Existing solenoid valves use large diaphragms for external gas sealing, which is not conducive to automated production. The diaphragm parts are large, require a lot of material, and are costly. In contrast, the intelligent electromagnetic emergency shut-off valve of this invention is more suitable for automated production. On the one hand, this invention directly seals the control on / off port between the baffle and the valve body by pressing the diaphragm, and seals the moving iron core and valve cover, as well as the valve cover and valve body, with O-rings. The O-rings achieve isolation between the gas inside the valve body and the air outside the valve body. The structure of the O-rings is simpler than that of the upper diaphragm in existing solenoid shut-off valves, making it easier to purchase and install in automated production, facilitating automated assembly and enabling automated production of the electromagnetic emergency shut-off valve. This invention optimizes the sealing structure, resulting in a smaller size and simpler structure, facilitating automated assembly and reducing material usage and costs. Furthermore, the moving iron core and diaphragm rivets of this invention use an interference fit riveting connection structure, which is more convenient for automated production than a threaded and glued connection structure.

[0059] 5. The structure of the diaphragm and diaphragm support of this utility model is simpler and easier to automate.

[0060] 6. The intelligent electromagnetic emergency shut-off valve of this utility model can be used in household gas pipelines, commercial gas pipeline engineering projects, fire alarm systems, combustible gas monitoring systems, etc.; it can be connected to combustible gas detectors to realize on-site manual or remote automatic emergency shut-off of gas supply, ensuring gas safety. Attached Figure Description

[0061] Figure 1 This is a schematic diagram of an existing electromagnetic shut-off valve.

[0062] Figure 2 for Figure 1 Cross-sectional view along the AA direction.

[0063] Figure 3 This is a schematic diagram of the upper diaphragm of an existing electromagnetic shut-off valve.

[0064] Figure 4 This is a schematic diagram of the lower diaphragm of an existing electromagnetic shut-off valve.

[0065] Figure 5 for Figure 4 Cross-sectional view along the BB direction.

[0066] Figures 1-5 In the middle, the icons are: 101-moving iron core, 102-upper diaphragm, 103-spring, 104-diaphragm support, and 105-lower diaphragm.

[0067] Figure 6 This is an exploded view of the components of the communication module described in this utility model.

[0068] Figure 7 This is a schematic diagram of the communication module described in this utility model.

[0069] Figure 8 This is a schematic diagram of the communication module of this utility model clamped onto an electromagnetic emergency shut-off valve.

[0070] Figure 9 This is a schematic diagram of the communication module of this utility model clamped on the vent pipe.

[0071] Figure 10 This is an exploded view of the components of the intelligent electromagnetic emergency shut-off valve described in this utility model.

[0072] Figure 11 This is a schematic diagram of the installation of the intelligent electromagnetic emergency shut-off valve described in this utility model (communication module not shown).

[0073] Figure 12 This is a top view of the intelligent electromagnetic emergency shut-off valve described in this utility model.

[0074] Figure 13 for Figure 12Cross-sectional view along the AA direction (valve closed).

[0075] Figure 14 This is a schematic diagram of the intelligent electromagnetic emergency shut-off valve described in this utility model in the open state.

[0076] Figure 15 This is a schematic diagram of the structure of the moving iron core, diaphragm rivet, diaphragm support and diaphragm described in this utility model.

[0077] Figure 16 for Figure 15 Cross-sectional view along the AA direction.

[0078] Figure 17 This is a cross-sectional view of the moving iron core and diaphragm after riveting according to the present invention.

[0079] Figures 6-17 Chinese icons: 1-Battery cover, 2-Circuit board, 3-Battery, 4-Communication module housing, 5-Valve body, 6-Diaphragm rivet, 7-Diaphragm, 8-Diaphragm support, 9-Spring, 10-First sealing ring, 11-Moving iron core, 12-Second sealing ring, 13-Valve cover, 14-Electromagnetic core assembly, 14.1-Fixed iron core, 14.2-Silicon steel sheet, 14.3-Coil frame, 14.4-Power cord, 14.5-Permanent magnet, 14.6-Iron core housing, 15-Screw, 16-Button, 17-Protective cover, 18-Clamping component, 19-Ventilation pipe, 20-Baffle. Detailed Implementation

[0080] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0081] Example 1

[0082] like Figure 6 and Figure 7 As shown, this embodiment proposes a communication module suitable for electromagnetic emergency shut-off valves. The communication module is installed on the electromagnetic emergency shut-off valve to realize wireless control of the electromagnetic emergency shut-off valve.

[0083] The communication module includes a communication module housing 4, a battery 3, a circuit board 2, and a battery cover 1. The communication module housing 4 is mounted on an electromagnetic emergency shut-off valve. The circuit board 2 and the battery 3 are mounted inside the communication module housing 4. The battery cover 1 is mounted on the communication module housing 4 and is used to encapsulate the circuit board 2 and the battery 3 inside the communication module housing 4. The battery 3 can be replaced by removing the battery cover 1.

[0084] The circuit board 2 is equipped with a control circuit and a communication antenna. The communication antenna is used to communicate wirelessly with the remote control system and receive remote control commands. The control circuit is used to receive commands from the communication antenna and control the opening and closing state of the electromagnetic emergency shut-off valve according to the commands.

[0085] The power cord of the electromagnetic emergency shut-off valve is connected to the battery 3 through the circuit board 2. The battery 3 is used to provide pulse power to the electromagnetic emergency shut-off valve, and the circuit board 2 is used to control whether the battery 3 is connected to the power cord.

[0086] Furthermore, the communication module housing 4 is provided with a clamping component 18, which is used to clamp the electromagnetic emergency shut-off valve or the vent pipe 19 connected to the electromagnetic emergency shut-off valve. In this embodiment, the clamping component 18 includes clamping pieces symmetrically connected to both sides of the communication module housing 4. The clamping pieces are made of plastic and elastically clamp the electromagnetic emergency shut-off valve or the vent pipe 19.

[0087] The communication module can be fixed in various ways. For example, it can be attached to a wall with double-sided tape. Alternatively, if the clamping component 18 is provided, it can be directly clipped onto the electromagnetic emergency shut-off valve or the venting steel pipe. Figure 8 and Figure 9 As shown.

[0088] The communication module in this embodiment, as a standalone product, can easily perform wireless retrofitting of an existing wired electromagnetic emergency shut-off valve. It eliminates the need for extra wires, ensuring aesthetics, and enables wireless control, providing flexibility and convenience while improving safety. Furthermore, the retrofit cost is low, requiring no removal of the original electromagnetic emergency shut-off valve; simply connect the power cord of the original valve to the communication module. The module can be easily installed by fixing it to a wall or clipping it onto the original valve or a nearby steel pipe.

[0089] Example 2

[0090] like Figures 10-17As shown, this embodiment proposes an intelligent electromagnetic emergency shut-off valve, including a valve body 5, which is a three-way valve. The left and right ends of the valve body 5 are respectively the air inlet and the air outlet, which are used to connect to the air pipe 19. A valve cover mounting port is provided on the side of the valve body 5, and a baffle 20 is provided inside the valve body 5. A control on / off port is formed between the baffle 20 and the valve body 5.

[0091] A valve cover 13 is installed at the valve cover mounting port, and the valve cover 13 is fixedly connected to the valve body 5, for example, by means of screws.

[0092] The valve cover 13 is connected to an on / off control device. One end of the on / off control device passes through the valve cover 13 and extends into the valve body 5, and can close the control on / off port. The on / off control device controls whether the air inlet and air outlet of the valve body 5 can be connected.

[0093] The on / off control device includes a moving iron core 11, a spring 9, a diaphragm support 8, a diaphragm 7, a diaphragm rivet 6, and an electromagnet core assembly 14.

[0094] The lower end of the moving iron core 11 passes through the valve cover 13 and extends into the valve body 5. This end of the moving iron core 11 is connected to the diaphragm rivet 6. The diaphragm bracket 8 and the diaphragm 7 are sleeved on the rod of the diaphragm rivet 6. The diaphragm bracket 8 and the diaphragm 7 are connected to the moving iron core 11 through the diaphragm rivet 6. The diaphragm 7 is used to close the control on / off port. The spring 9 is sleeved on the outside of the diaphragm bracket 8. One end of the spring 9 abuts against the lower part of the diaphragm bracket 8, and the other end abuts against the inner side of the valve cover 13. The spring 9 is in a compressed state. When the valve is closed, the spring 9 returns to its original position and pushes the diaphragm bracket 8 downward. The diaphragm 7 contacts the baffle 20 and the valve body 5, closing the control on / off port. At this time, gas cannot pass through the valve body 5, and the valve is in a closed state.

[0095] A first sealing ring 10 is installed on the lower outer circle of the moving iron core 11. The first sealing ring 10 is located between the moving iron core 11 and the valve cover 13, and the first sealing ring 10 plays a sealing role.

[0096] A second sealing ring 12 is provided between the mating surfaces of the valve cover 13 and the valve body 5. The second sealing ring 12 is used to prevent air leakage from the mating gap between the valve cover 13 and the valve body 5.

[0097] The first sealing ring 10 and the second sealing ring 12 are O-rings, and the O-rings are elastic rubber sealing rings.

[0098] The diaphragm 7 is made of elastic rubber. The middle hole of the diaphragm 7 is interference-fitted with the outer circle of the diaphragm rivet 6. In this way, there is no gap between the middle hole of the diaphragm 7 and the outer circle of the diaphragm rivet 6, and there will be no air leakage.

[0099] The outer side of the valve cover 13 is fixedly connected to the electromagnet core assembly 14. In this embodiment, the three are fixedly connected together by the screws 15 passing through the electromagnet core assembly 14, the valve cover 13, and the valve body 5 in sequence.

[0100] The outer diameter of the shaft at the lower end of the moving iron core 11 is smaller than the middle hole diameter of the diaphragm rivet 6. The moving iron core 11 and the diaphragm rivet 6 are press-fitted together. According to national standards, the electromagnetic emergency shut-off valve needs a service life of over 10 years. If the moving iron core 11 and the diaphragm rivet 6 are threaded together, the threads are prone to loosening over time. To prevent loosening, screw-fixing glue needs to be applied to the threaded mating surface. Adding glue is inconvenient for automated assembly, and the cost of thread machining is higher than that of machining a smooth shaft hole. The press-fit method is cheaper than the threaded method and is also easier to automate.

[0101] The electromagnet core assembly 14 includes a core shell 14.6, a fixed core 14.1, a permanent magnet 14.5, a silicon steel sheet 14.2, a coil frame 14.3, and a power line 14.4. The fixed core 14.1, the permanent magnet 14.5, the silicon steel sheet 14.2, and the coil frame 14.3 are installed inside the core shell 14.6. One end of the power line 14.4 extends out of the core shell 14.6 and is used to connect to the circuit board 2 of the communication module described in Embodiment 1. The other end of the power line 14.4 is connected to the coil frame 14.3, within which the silicon steel sheet 14.2 is disposed. The fixed core 14.1 is located at the upper end of the coil frame 14.3.

[0102] The upper end of the moving iron core 11 extends into the circular channel of the electromagnet core assembly 14. The fixed iron core 14.1 is located above the moving iron core 11. The coil frame 14.3 and the silicon steel sheet 14.2 are sleeved on the outside of the moving iron core 11. A permanent magnet 14.5 is arranged on each side of the silicon steel sheet 14.2. The moving iron core 11 can move up and down in the circular channel.

[0103] The upper end of the moving iron core 11 is connected to the button 16. One end of the button 16 passes through the fixed iron core 14.1 and is connected to the moving iron core 11. The button 16 can move up and down together with the moving iron core 11.

[0104] The button 16 is provided with a protective cover 17. The protective cover 17 is fixedly connected to the top of the iron core shell 14.6. The top of the protective cover 17 is provided with an opening to facilitate the operation of the button 16. The protective cover 17 can prevent other objects from impacting the button 16 inside and causing the valve to close.

[0105] Since the permanent magnet 14.5 itself has a constant magnetic field, the fixed iron core 14.1 has magnetism under the magnetization of the permanent magnet 14.5. When the button 16 is lifted, the moving iron core 11 moves upward accordingly. The moving iron core 11 and the fixed iron core 14.1 are attracted together by magnetic force. At this time, the diaphragm 7 does not close the control on / off port, and gas can pass through the valve body 5, from the inlet end of the valve body 5 to the outlet end. At this time, the valve is in the open state.

[0106] When the communication module receives the valve closing signal, it provides pulse power to the electromagnet core assembly 14 through the power line 14.4. During the power supply, the coil frame 14.3 generates a magnetic force opposite to that of the permanent magnet 14.5 by causing the silicon steel sheet 14.2 to generate a magnetic force. There is no magnetic connection between the fixed iron core 14.1 and the moving iron core 11. The compressed spring 9 returns to its original position and pushes the diaphragm support 8 downward. The diaphragm 7 moves downward as well until the diaphragm 7 presses against the baffle 20 and the valve body 5. Gas cannot pass through the valve body 5, and the valve is in the closed state.

[0107] The intelligent electromagnetic emergency shut-off valve of this embodiment has two advantages. First, it is equipped with a communication module, enabling remote control that is flexible, convenient, safe, and aesthetically pleasing. Second, it is more suitable for automated production. Existing electromagnetic valves use large diaphragms for external sealing, which is not conducive to automated production due to the large size and material requirements of the diaphragm components. This invention uses universal O-rings for sealing, which are standard products that are easy to purchase and install in automated production. Third, the moving iron core 11 and diaphragm rivet 6 of this invention use an interference fit connection structure, which is more convenient for automated production than a threaded connection structure with glue.

[0108] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A communication module suitable for electromagnetic emergency shut-off valves, characterized in that: The device includes a communication module housing, a battery, and a circuit board. The circuit board and the battery are installed inside the communication module housing. The battery is connected to a power line that passes through the circuit board to an electromagnetic emergency shut-off valve.

2. The communication module for electromagnetic emergency shut-off valves according to claim 1, characterized in that: The communication module housing is provided with a clamping component, which is used to clamp onto the electromagnetic emergency shut-off valve or the vent pipe connected to the electromagnetic emergency shut-off valve.

3. The communication module for electromagnetic emergency shut-off valves according to claim 2, characterized in that: The clamping component includes clamping pieces symmetrically connected to both sides of the communication module housing.

4. The communication module for electromagnetic emergency shut-off valves according to claim 1, characterized in that: It also includes a battery cover, which is mounted on the communication module housing and is used to encapsulate the circuit board and the battery within the communication module housing.

5. An intelligent electromagnetic emergency shut-off valve, characterized in that: The device includes an electromagnetic emergency shut-off valve body, the power cord of which is connected to the circuit board of the communication module for the electromagnetic emergency shut-off valve as described in any one of claims 1-4.

6. The intelligent electromagnetic emergency shut-off valve according to claim 5, characterized in that: The electromagnetic emergency shut-off valve body includes a valve body, with an air inlet and an air outlet at its two ends. A valve cover mounting port is provided on the valve body, and a valve cover is installed at the valve cover mounting port. A baffle is provided inside the valve body, and a control on / off port is formed between the baffle and the valve body. The valve cover is connected to an on / off control device, one end of which passes through the valve cover and extends into the valve body, and is capable of closing the control on / off port. The on / off control device includes a moving iron core, a diaphragm support, and a diaphragm. One end of the moving iron core passes through the valve cover and extends into the valve body, and is connected to the diaphragm fixing component. The moving iron core and the diaphragm fixing component are connected by interference fit riveting. The diaphragm support and the diaphragm are connected to the moving iron core via the diaphragm fixing member, and the diaphragm is used to close the control on / off port; An elastic compression member is fitted around the outside of the diaphragm support, and the elastic compression member abuts between the diaphragm support and the valve cover.

7. The intelligent electromagnetic emergency shut-off valve according to claim 6, characterized in that: A first sealing ring is installed on the lower outer circle of the moving iron core, and the first sealing ring is located between the moving iron core and the valve cover; A second sealing ring is provided between the mating surfaces of the valve cover and the valve body.

8. The intelligent electromagnetic emergency shut-off valve according to claim 6, characterized in that: The on / off control device also includes an electromagnet core assembly, which cooperates with the moving iron core to make the moving iron core move up and down, thereby driving the diaphragm to open or close the control on / off port.

9. The intelligent electromagnetic emergency shut-off valve according to claim 8, characterized in that: The electromagnet core assembly includes a core shell, a fixed core, a permanent magnet, a silicon steel sheet, a coil frame, and a power line. The fixed core, the permanent magnet, the silicon steel sheet, and the coil frame are installed inside the core shell. One end of the power line extends out of the core shell, and the other end of the power line is connected to the coil frame. The fixed core is positioned above the moving core.

10. The intelligent electromagnetic emergency shut-off valve according to claim 9, characterized in that: The other end of the moving iron core is connected to the button, and one end of the button passes through the fixed iron core and is connected to the moving iron core; The button is provided with a protective cover, which is fixedly connected to the top of the iron core shell.

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