IoT diaphragm gas meter with current limiting function

By designing adjustment components and access components in membrane gas meters and remote flow limit control is achieved using micro-push rods and PCB control boards, the existing gas meter cannot be controlled in current and remotely controlled, and the flexibility and safety of gas management are improved.

CN114526780BActive Publication Date: 2025-04-15CHONGQING JESS INSTR CO LTD
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Patent Information

Application Number
CN202210141589.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-02-16
Publication Date
2025-04-15
Estimated Expiration
2042-02-16

AI Technical Summary

Technical Problem

The existing membrane gas meter cannot limit the flow of the internally transmitted gas during use, resulting in too much gas in a short period of time, increasing internal pressure and causing damage to the gas meter, and at the same time, the flow limit degree cannot be controlled remotely through the Internet of Things.

Method used

A membrane-type gas meter with current limiting function was designed, using adjustment components and access components to achieve remote current limiting control through micro-push rods and PCB control boards. The adjustment components include a current limiting baffle and a transit pipe, enabling real-time control of gas flow through an IoT connection.

Benefits of technology

Remote control of gas flow is realized, which avoids pressure increase and equipment damage caused by excessive gas in a short period of time. At the same time, it solves the problem of inability to control flow limit through the Internet of Things, and improves the flexibility and safety of gas management.

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Abstract

The present invention provides an Internet of Things diaphragm gas meter with a current limiting function, which relates to the technical field of gas meters and comprises a gas meter body, wherein an adjustment component is fixedly installed on one side of the upper surface of the gas meter body, wherein the adjustment component comprises an adjustment component shell and an extended installation frame, wherein the adjustment component shell is fixedly installed on one side of the upper surface of the gas meter body, and the extended installation frame is fixedly installed on the upper end of the adjustment component shell. The present invention connects signals between an external terminal and a WIFI module, thereby utilizing a PCB control board to perform telescopic control on the output end of a micro electric push rod, and cooperates with a connecting cross plate, thereby realizing remote current limiting operation of the gas meter by utilizing the Internet of Things, wherein restrictions of varying degrees can be performed according to requirements. The above structure effectively solves the problem that the user cannot control the gas in time in the outside world because the internal current limiting degree cannot be controlled by the Internet of Things during use.
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Description

Technical Field

[0001] The present invention relates to the technical field of gas meters, and in particular to an Internet of Things diaphragm gas meter with a current limiting function. Background Art

[0002] With the use of gas, people need to use gas meters for easy management. Among them, the diaphragm gas meter is improved on the basis of the traditional mechanical type. On the original basis, electronic metering, prepayment and display functions are added, which can display the current working status of the gas meter, etc. For example, the patent with application number CN202120298836.X proposes an IoT diaphragm gas meter based on a directional antenna, including a gas meter body, a directional antenna, installed on the gas meter body, and the directional antenna includes a base, a reflector, and an antenna radiation unit; the base is connected to the reflector and the antenna radiation unit respectively; the base is installed on the top of the gas meter body in an adhesive manner; the antenna radiation unit is a cylinder, which is connected to the base ball joint; a locking device is provided on the base; the reflector is a hemispherical surface; and it also includes a feeder, one end of which is electrically connected to the antenna radiation unit, and the other end is electrically connected to the IoT chip in the gas meter. The above utility model can solve the technical problem that the IoT diaphragm gas meter cannot communicate normally with the management center because the 4G signal received by the IoT diaphragm gas meter is intermittent or cannot receive the 4G signal due to the structure of the house.

[0003] However, the above-mentioned gas meter has the following defects during use: during the use of the gas meter, the flow limiting operation cannot be performed on the internally transmitted gas, which results in excessive gas in a short period of time during use, thereby increasing the internal pressure and causing damage to the internal part of the gas meter, and during use, the internal flow limiting degree cannot be controlled through the Internet of Things, so that the user cannot control the gas in time from the outside. Summary of the invention

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the present invention provides an Internet of Things diaphragm gas meter with a current limiting function, which solves the problem that the current limiting operation cannot be performed on the internally transmitted gas during the use of the gas meter, and the problem that the internal current limiting degree cannot be controlled through the Internet of Things during use.

[0006] (II) Technical solution

[0007] To achieve the above object, the technical solution adopted by the present invention is:

[0008] An IoT diaphragm gas meter with a current limiting function comprises a gas meter body, an adjusting component is fixedly mounted on one side of the upper surface of the gas meter body, the adjusting component comprises an adjusting component housing and an extended mounting frame, the adjusting component housing is fixedly mounted on one side of the upper surface of the gas meter body, the extended mounting frame is fixedly mounted on the upper end of the adjusting component housing, and a connecting slot is opened on the lower surface of the adjusting component housing;

[0009] An air outlet interface is integrally provided on the upper surface of the gas meter body on the side away from the regulating assembly. The gas meter body includes a counter meter and a metering slot. An air inlet pipe and an air outlet pipe are respectively provided on both sides above the metering slot. The air outlet pipe is interconnected with the air outlet interface, and the air inlet pipe is interconnected with the connecting slot hole. The counter meter is arranged on the upper side of the gas meter body.

[0010] An access component is arranged above the gas meter body between the regulating component and the gas outlet interface. The access component includes an access component shell. An air inlet interface is integrally arranged on the upper end of the access component shell.

[0011] Preferably, a counting transmission shaft is provided inside the metering groove, a plurality of gas guide grooves are provided on the shaft body of the counting transmission shaft, and positioning suction cups are respectively provided on the surface of the gas meter body away from the side of the counter meter.

[0012] Preferably, a through hole is provided on the upper surface of the adjustment component shell and a second sealing ring is installed on the inner wall, T-shaped limit grooves are provided on both sides of the inner wall of the adjustment component shell, a connecting cross plate is installed between the two T-shaped limit grooves through a T-shaped limit slider, and each T-shaped limit groove is slidably matched with the corresponding T-shaped limit slider.

[0013] Preferably, an access hole is provided on the surface of the adjusting component shell near the access component side, a limiting flow baffle is integrated on the lower surface of the connecting cross plate near the access hole, and interlaced limit plates are integrated on both sides of the adjusting component shell near the access component side.

[0014] Preferably, the flow limiting baffle is tightly sealed against the access hole, a transfer pipe is fixedly installed on the surface of the adjusting component shell on one side of the access hole, an extended fixing plate is fixedly installed on the surface of one side of the adjusting component shell, and a screw fitting hole is opened through the extended fixing plate.

[0015] Preferably, a micro electric push rod mounting frame is integrally provided on the upper inner wall of the extended mounting frame, a micro electric push rod is fixedly installed inside the micro electric push rod mounting frame, and the output end of the micro electric push rod is fixedly mounted on the upper surface of the connecting cross plate through a second sealing ring, and the output end of the micro electric push rod is sealed with the second sealing ring.

[0016] Preferably, a partition mounting plate is fixedly mounted on the lower surface of one side of the micro electric push rod mounting frame, a PCB control board is fixedly mounted on the upper surface of the partition mounting plate, the PCB control board is connected to the micro electric push rod through a wire, and a WIFI module is arranged inside the PCB control board.

[0017] Preferably, side matching plates are integrally provided on both sides of the access component shell, and a limiting slot is provided between each side matching plate and the surface of the access component shell. Each limiting slot is respectively matched with the corresponding insertion limiting plate for limiting insertion, and a mounting sleeve rod is integrally provided on the surface of the side matching plate close to the extension fixing plate.

[0018] Preferably, a limited rotation shaft is rotatably installed inside the mounting sleeve rod, and a transmission screw is integrally provided on the surface of the limited rotation shaft close to the adjustment component. The transmission screw passes through one end of the extended fixed plate and a control handle is fixedly installed thereon, and the transmission screw is threadedly engaged with the screw mating hole.

[0019] Preferably, a through hole is formed through the surface of the access component shell near the adjustment component side and a first sealing ring is installed inside, a transfer pipe is sealably inserted inside the first sealing ring, a pre-storage groove is formed inside the access component shell, and a gas guide ring is integrated at the end of the transfer pipe located inside the pre-storage groove.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. The device can be remotely controlled to perform the required flow limiting operation through the adjustment component, wherein each T-shaped limit slide groove is slidably matched with the corresponding T-shaped limit slider, thereby ensuring that the connecting cross plate can be smoothly adjusted up and down, wherein the second sealing ring can ensure that the component will not leak during operation; the flow limiting baffle is arranged on the lower surface of the connecting cross plate, so that it can move with the connecting cross plate, and then cooperate with the access through hole to control the incoming gas flow, and the gas received by the access component can be guided through the transfer pipeline.

[0022] 2. By connecting the signal between the external terminal and the WI FI module, the PCB control board can be used to control the extension and retraction of the output end of the micro electric push rod, and cooperate with the connecting cross plate to realize the remote current limiting operation of the gas meter by using the Internet of Things, wherein different degrees of restrictions can be made according to needs. The above structure effectively solves the problem that the internal current limiting degree cannot be controlled through the Internet of Things during use, making it impossible for the user to control the gas in time in the outside world.

[0023] 3. By using the control handle to drive the transmission screw and the screw matching hole to perform threaded matching, the position distance of the access component housing can be adjusted, wherein each limit insertion slot is respectively matched with the corresponding insertion limit plate to ensure that the component can be stably adjusted, thereby effectively solving the problem of being unable to smoothly install the external gas pipeline due to insufficient installation environment; a pre-storage groove is opened inside the access component housing, and it is used to cooperate with the transfer pipeline to achieve the transfer of gas in an adjustable state, and the above structure solves the problem of excessive gas in a short period of time during use, thereby increasing the internal pressure and causing damage to the gas meter, wherein the first sealing ring can ensure that there will be no leakage during adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the Internet of Things diaphragm gas meter with a current limiting function of the present invention;

[0025] Figure 2 It is a rear view structural schematic diagram of the Internet of Things diaphragm gas meter with current limiting function of the present invention;

[0026] Figure 3 It is a side view structural schematic diagram of the Internet of Things diaphragm gas meter with current limiting function of the present invention;

[0027] Figure 4 The present invention is an Internet of Things diaphragm gas meter with a current limiting function Figure 3 Schematic diagram of the cross-section structure at AA in the middle;

[0028] Figure 5 It is a schematic diagram of the top view of the structure of the Internet of Things diaphragm gas meter with a current limiting function of the present invention;

[0029] Figure 6 The present invention is an Internet of Things diaphragm gas meter with a current limiting function Figure 5 Schematic diagram of the cross-section structure at BB in the middle;

[0030] Figure 7 It is a partial structural schematic diagram of an Internet of Things diaphragm gas meter with a current limiting function according to the present invention;

[0031] Figure 8 It is a schematic diagram of the structure of the upper part of the Internet of Things diaphragm gas meter with current limiting function of the present invention;

[0032] Fig. 9 It is a schematic diagram of the front view of the structure of the Internet of Things diaphragm gas meter with a current limiting function of the present invention;

[0033] Fig.10 The present invention is an Internet of Things diaphragm gas meter with a current limiting function Fig. 9Schematic diagram of the cross-section structure at CC;

[0034] Fig.11 The present invention is an Internet of Things diaphragm gas meter with a current limiting function Fig. 9 Schematic diagram of the cross-section structure at DD in the middle;

[0035] Fig.12 The present invention is an Internet of Things diaphragm gas meter with a current limiting function Fig. 9 Schematic diagram of the cross-sectional structure at EE.

[0036] In the figure: 1. Gas meter body; 2. Access component; 201. Access component housing; 202. Air inlet interface; 203. Side matching plate; 204. Control handle; 205. Limiting slot; 206. Transmission screw; 207. Limiting shaft; 208. Mounting sleeve; 209. First sealing ring; 210. Pre-storage slot; 211. Gas guide ring; 3. Air outlet interface; 4. Adjustment component; 401. Extended installation frame; 402. Adjustment component housing; 403. Extended fixing plate; 404. Screw matching hole; 405. Transfer pipeline; 406. Connecting slot; 407. Inserting limiting plate; 408. Access through hole; 409. Connecting cross plate; 410. Current limiting baffle; 411. Micro electric push rod mounting frame; 412. Micro electric push rod; 413. Partitioning mounting plate; 414. PCB control board; 415. WI FI module; 416, T-type limit slide; 417, T-type limit slide block; 418, second sealing ring; 5, counter; 6, positioning suction cup; 7, air inlet pipe; 8, metering groove; 9, air outlet pipe; 10, counting transmission shaft; 11, gas guide groove. DETAILED DESCRIPTION

[0037] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0038] Example

[0039] like Figure 1-12 As shown, the Internet of Things diaphragm gas meter with a current limiting function includes a gas meter body 1, including an adjustment component 4 fixedly installed on one side of the upper surface of the gas meter body 1, the adjustment component 4 includes an adjustment component housing 402 and an extended installation frame 401, the adjustment component housing 402 is fixedly installed on one side of the upper surface of the gas meter body 1, the extended installation frame 401 is fixedly installed on the upper end of the adjustment component housing 402, and a connection slot 406 is opened on the lower surface of the adjustment component housing 402;

[0040] An air outlet interface 3 is integrally provided on the upper surface of the gas meter body 1 away from the side of the regulating assembly 4. The gas meter body 1 includes a counter meter 5 and a metering slot 8. An air inlet pipe 7 and an air outlet pipe 9 are respectively provided on both sides above the metering slot 8. The air outlet pipe 9 is interconnected with the air outlet interface 3. The air inlet pipe 7 is interconnected with the connecting slot 406. The counter meter 5 is arranged on the upper side of the gas meter body 1.

[0041] An access component 2 is disposed above the gas meter body 1 between the regulating component 4 and the gas outlet interface 3 . The access component 2 includes an access component housing 201 . An air inlet interface 202 is integrally disposed on the upper end of the access component housing 201 .

[0042] It should be noted that a counting transmission shaft 10 is arranged inside the metering groove 8, and a plurality of gas guide grooves 11 are arranged on the shaft body of the counting transmission shaft 10, and positioning suction cups 6 are respectively arranged on the surface of the gas meter body 1 on the side away from the counter 5. The transmission cooperation between the counting transmission shaft 10 and the counter 5 is known in the prior art and is not within the scope of protection required, so it is not disclosed here. The gas guide grooves 11 are also convenient for the counting transmission shaft 10 to cooperate with the gas, and the counting of the counter 5 is realized by rotating the counting transmission shaft 10.

[0043] In the specific configuration, a through hole is provided on the upper surface of the adjusting component housing 402 and a second sealing ring 418 is installed on the inner wall. T-shaped limit slots 416 are provided on both sides of the inner wall of the adjusting component housing 402. A connecting cross plate 409 is installed between the two T-shaped limit slots 416 via a T-shaped limit slider 417. Each T-shaped limit slot 416 is slidably matched with the corresponding T-shaped limit slider 417. Through the slidably matched between each T-shaped limit slot 416 and the corresponding T-shaped limit slider 417, it is ensured that the connecting cross plate 409 can be smoothly adjusted up and down, wherein the second sealing ring 418 can ensure that the component will not leak during operation.

[0044] It can be understood that in the present application, an access hole 408 is provided on the surface of the regulating component housing 402 near the access component 2, a flow limiting baffle 410 is integrated on the lower surface of the connecting horizontal plate 409 near the access hole 408, and an interlaced limiting plate 407 is integrated on both sides of the regulating component housing 402 near the access component 2, and the flow limiting baffle 410 is sealed and tightly attached to the access hole 408. A transfer pipeline 405 is fixedly installed on the surface of the regulating component housing 402 on the access hole 408 side, and an extended fixing plate 403 is fixedly installed on the surface of one side of the regulating component housing 402, and a screw rod matching hole 404 is opened through the plate body of the extended fixing plate 403. The flow limiting baffle 410 is arranged on the lower surface of the connecting horizontal plate 409, so that it can move with the connecting horizontal plate 409, and then cooperate with the access hole 408, so as to realize the control of the incoming gas flow, and the gas received inside the access component 2 can be guided through the transfer pipeline 405.

[0045] Among them, a micro electric push rod mounting frame 411 is integrated with the inner wall on the upper side of the extended mounting frame 401, a micro electric push rod 412 is fixedly installed inside the micro electric push rod mounting frame 411, and the output end of the micro electric push rod 412 is fixedly installed on the upper surface of the connecting cross plate 409 through a second sealing ring 418, and the output end of the micro electric push rod 412 is sealed with the second sealing ring 418, a partition mounting plate 413 is fixedly installed on the lower surface of one side of the micro electric push rod mounting frame 411, a PCB control board 414 is fixedly installed on the upper surface of the partition mounting plate 413, the PCB control board 414 is connected to the micro electric push rod 412 through a wire, and a WIFI module 415 is arranged inside the PCB control board 414. By connecting the signals between the external terminal and the WIFI module 415, the PCB control board 414 can be used to control the extension and retraction of the output end of the micro electric push rod 412, and cooperate with the connecting cross plate 409 to realize the remote current limiting operation of the gas meter by using the Internet of Things, wherein different degrees of restrictions can be made according to needs. The above structure effectively solves the problem that the internal current limiting degree cannot be controlled through the Internet of Things during use, making it impossible for the user to control the gas in time in the outside world.

[0046] In this embodiment, side matching plates 203 are integrally provided on both sides of the access component housing 201, and a limited position insertion slot 205 is respectively provided between each side matching plate 203 and the surface of the access component housing 201. Each limited position insertion slot 205 is respectively limited and inserted with the corresponding insertion limit plate 407. A mounting sleeve rod 208 is integrally provided on the surface of the side matching plate 203 close to the extended fixed plate 403, and a limited position rotating shaft 207 is rotatably installed inside the mounting sleeve rod 208. A transmission screw 206 is integrally provided on the surface of the limited rotating shaft 207 close to the side of the adjustment component 4. The transmission screw 206 passes through one end of the extended fixed plate 403 and is fixedly installed with a control handle 204. The transmission screw 206 is threadedly engaged with the screw matching hole 404. By using the control handle 204 to drive the transmission screw 206 to threadedly engage with the screw mating hole 404, the position distance of the access component housing 201 can be adjusted, wherein each limiting insertion slot 205 is respectively limited and interlaced with the corresponding interlaced limiting plate 407 to ensure that the component can be stably adjusted, thereby effectively solving the problem of being unable to smoothly install external gas pipelines due to insufficient installation environment.

[0047] Among them, the surface of the access component housing 201 near the side of the adjustment component 4 is penetrated with a through hole and a first sealing ring 209 is installed inside. The first sealing ring 209 is sealed and interspersed with a transfer pipe 405. The access component housing 201 is provided with a pre-storage groove 210, and the end of the transfer pipe 405 located inside the pre-storage groove 210 is integrally provided with a gas guide ring 211. By providing the pre-storage groove 210 inside the access component housing 201 and utilizing the cooperation between the pre-storage groove 210 and the transfer pipe 405, the gas can be transferred in an adjustable manner, and the above structure solves the problem of excessive gas in a short period of time during use, thereby increasing the internal pressure and causing damage to the inside of the gas meter, wherein the first sealing ring 209 can ensure that there will be no leakage during adjustment.

[0048] The working principle of the IoT diaphragm gas meter with current limiting function:

[0049] When in use, first use the access component 2 to connect the gas as needed. During operation, use the control handle 204 to adjust the position of the access component 2 according to the needs of the installation environment. After the adjustment is completed, the external pipeline is connected to the gas outlet interface 3 and the gas inlet interface 202 respectively. After completion, the positioning suction cups 6 are respectively provided on the surface of the gas meter body 1 to assist the installer to fix the gas meter body 1, and then the installation is completed. When in use, if the flow size of the device needs to be adjusted, it can be controlled through the adjustment component 4. During operation, it is remotely connected to the WI FI module 415 through the external terminal, and then the micro electric push rod 412 is controlled through the PCB control board 414. Then, the start and stop of the micro electric push rod 412 controls the coordination between the flow limiting baffle 410 and the access through hole 408, wherein the flow limiting baffle 410 and the access through hole 408 are sealed and tightly fitted so that the gas transmitted from the transfer pipeline 405 can be effectively adjusted during control.

[0050] It should be noted that the specific model specification of the micro electric linear actuator 412 is HKNA-25mm;

[0051] The specific model specification of the PCB control board 414 is YHMDPHNm;

[0052] The specific model specification of WI FI module 415 is E103-W01.

[0053] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. Internet of Things diaphragm gas meter with current limiting function, characterized by: The gas meter comprises a gas meter body (1), an adjusting component (4) is fixedly mounted on one side of the upper surface of the gas meter body (1), the adjusting component (4) comprises an adjusting component housing (402) and an extended mounting frame (401), the adjusting component housing (402) is fixedly mounted on one side of the upper surface of the gas meter body (1), the extended mounting frame (401) is fixedly mounted on the upper end of the adjusting component housing (402), and a connecting slot (406) is provided on the lower surface of the adjusting component housing (402); An air outlet interface (3) is integrally provided on the upper surface of the gas meter body (1) at the side away from the regulating assembly (4); the gas meter body (1) comprises a counter meter (5) and a metering groove (8); an air inlet pipe (7) and an air outlet pipe (9) are respectively provided on both sides above the metering groove (8); the air outlet pipe (9) is interconnected with the air outlet interface (3); the air inlet pipe (7) is interconnected with the connecting groove hole (406); and the counter meter (5) is arranged on the upper side of the gas meter body (1); An access component (2) is arranged above the gas meter body (1) between the regulating component (4) and the gas outlet interface (3), the access component (2) comprising an access component housing (201), and an air inlet interface (202) is integrally arranged at the upper end of the access component housing (201); A counting transmission shaft (10) is arranged inside the metering groove (8), a plurality of gas guide grooves (11) are arranged on the shaft of the counting transmission shaft (10), and positioning suction cups (6) are respectively arranged on the surface of the gas meter body (1) at a side away from the counter meter (5); The upper surface of the adjusting component housing (402) is provided with a through hole and the inner wall is installed with a second sealing ring (418). T-shaped limit slots (416) are respectively provided on both sides of the inner wall of the adjusting component housing (402). A connecting cross plate (409) is installed between the two T-shaped limit slots (416) via a T-shaped limit slider (417). Each T-shaped limit slot (416) is slidably matched with the corresponding T-shaped limit slider (417). An access through hole (408) is provided on the surface of the adjusting component housing (402) close to the access component (2). A flow limiting baffle (410) is integrally provided on the lower surface of the connecting cross plate (409), and interlaced limiting plates (407) are integrally provided on both sides of the adjusting component housing (402) close to the access component (2), and the flow limiting baffle (410) is tightly sealed with the access through hole (408). A transfer pipe (405) is fixedly installed on the surface of the adjusting component housing (402) on the side of the access through hole (408), and an extended fixing plate (403) is fixedly installed on one side of the adjusting component housing (402), and a screw rod matching hole (404) is opened through the plate body of the extended fixing plate (403); Side matching plates (203) are integrally provided on both sides of the access component housing (201), and a limited position insertion slot (205) is respectively provided between each side matching plate (203) and the surface of the access component housing (201), and each limited position insertion slot (205) is respectively engaged in limited position insertion with a corresponding insertion limit plate (407). A mounting sleeve rod (208) is integrally provided on the surface of the side matching plate (203) close to the extension fixing plate (403), and a limited position rotating shaft (207) is rotatably installed inside the mounting sleeve rod (208). A transmission screw (208) is integrally provided on the surface of the limited rotating shaft (207) close to the adjustment component (4). 06), the transmission screw (206) passes through one end of the extension fixing plate (403) and is fixedly mounted with a control handle (204), the transmission screw (206) and the screw matching hole (404) are threadedly matched, the surface of the access component shell (201) close to the adjustment component (4) is penetrated by a through hole and a first sealing ring (209) is installed inside, a transfer pipe (405) is sealed and inserted inside the first sealing ring (209), a pre-storage groove (210) is opened inside the access component shell (201), and a gas guide ring (211) is integrally provided at the end of the transfer pipe (405) located inside the pre-storage groove (210).

2. The Internet of Things diaphragm gas meter with current limiting function according to claim 1 is characterized in that: A micro electric push rod mounting frame (411) is integrally provided on the inner wall of the upper side of the extended mounting frame (401), a micro electric push rod (412) is fixedly mounted inside the micro electric push rod mounting frame (411), an output end of the micro electric push rod (412) is fixedly mounted on the upper surface of the connecting cross plate (409) via a second sealing ring (418), and the output end of the micro electric push rod (412) is sealed with the second sealing ring (418).

3. The Internet of Things diaphragm gas meter with current limiting function according to claim 2 is characterized in that: A partition mounting plate (413) is fixedly mounted on the lower surface of one side of the micro electric push rod mounting frame (411), a PCB control board (414) is fixedly mounted on the upper surface of the partition mounting board (413), the PCB control board (414) is connected to the micro electric push rod (412) via a wire, and a WIFI module (415) is arranged inside the PCB control board (414).

Citation Information

Patent Citations

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