CN112729713B - Intelligent hanging type gas meter air tightness detection device - Google Patents

Intelligent hanging type gas meter air tightness detection device Download PDF

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Publication number
CN112729713B
CN112729713B CN202011544504.1A CN202011544504A CN112729713B CN 112729713 B CN112729713 B CN 112729713B CN 202011544504 A CN202011544504 A CN 202011544504A CN 112729713 B CN112729713 B CN 112729713B
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China
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box body
gas meter
detection device
threaded
threaded rod
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CN112729713A (en
Inventor
王莺金
李璀
任文成
黄佳伟
庄晓玲
陈善南
李智超
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Anzheng Measurement And Testing Co ltd
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Anzheng Measurement And Testing Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/10Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
    • G01F25/15Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters specially adapted for gas meters

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Measuring Volume Flow (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

The invention discloses an intelligent hanging type gas meter air tightness detection device which comprises a box body, wherein a sealing plate is connected in the box body in a sealing and sliding mode, a lifting mechanism used for lifting the sealing plate is arranged in the box body, an air pressure sensor is fixedly installed in the box body, two connectors are fixedly installed at the lower end of the box body, a connecting mechanism used for being connected with a gas meter is arranged on the two connectors, one connector is communicated with the box body, a monitoring cavity is formed in the box body, the monitoring cavity is communicated with the box body through a through hole, a monitoring mechanism is arranged in the monitoring cavity, an air inlet pipe is fixedly installed on the outer side wall of the box body and communicated with the box body, and a display screen is fixedly embedded in the front end of the box body. The gas meter airtightness checking device is high in gas meter airtightness checking efficiency and good in checking effect.

Description

Intelligent hanging type gas meter air tightness detection device
Technical Field
The invention relates to the technical field of detection devices, in particular to an intelligent hanging type gas meter air tightness detection device.
Background
The gas meter has the advantages that only the roller with the number is seen in the small glass window outside the gas meter, the roller is provided with seven numbers, the front four numbers of the small number are black, the rear three numbers are red, fuel for daily cooking of people is converted from conventional energy such as firewood, coal and the like which are seriously wasted and polluted into natural gas and coal, even clean energy such as electricity and the like, the gas meter plays a role, and the automatic accumulation function of the gas meter enables people using the natural gas or the pipeline gas to conveniently know the using amount of the gas, so that the payment can be made according to the cubic meter of the consumed gas per month.
The hanging gas table of current intelligence before putting into operation, whether can produce the condition that the gas leaked when needing to detect it and using, current detection device can only detect out whether the gas can produce and reveal when detecting the gas table, and required time is more of a specified duration when detecting in addition, can not detect its severity of revealing, and the effect of detection is relatively poor.
Therefore, an intelligent hanging type gas meter air tightness detection device is provided for solving the problems.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, the detection of a gas meter needs longer time and the detection effect is poor, and provides an intelligent hanging type gas meter airtightness detection device.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a hanging gas table gas tightness detection device of intelligence, comprises a box bod, box body internal seal sliding connection has the closing plate, be equipped with the elevating system who is used for going up and down to the closing plate in the box body, fixed mounting has baroceptor in the box body, the lower extreme fixed mounting of box body has two connectors, two be equipped with the coupling mechanism who is used for being connected with the gas table on the connector, one of them the connector is linked together with the box body, be equipped with the monitoring chamber in the box body, be linked together through the through-hole between monitoring chamber and the box body, the monitoring intracavity is equipped with monitoring mechanism, the lateral wall fixed mounting of box body has the intake pipe, the intake pipe is linked together with the box body, the front end fixed of box body inlays and is equipped with the display screen.
Preferably, elevating system is including setting up the lifting chute at top in the box body, the lifting chute internal rotation is connected with the two-way threaded rod, the one end of two-way threaded rod is rotated and is run through the first turning handle of box body and coaxial fixedly connected with, two-way threaded rod external thread cover is equipped with two screw thread blocks, two the lower extreme of screw thread block all rotates and is connected with the deflector, two the lower extreme of deflector all rotates with the upper end of closing plate to be connected.
Preferably, threaded holes matched with the bidirectional threaded rods are formed in the two thread blocks in a penetrating mode, and the thread turning directions in the two threaded holes are opposite.
Preferably, the connecting mechanism comprises two threaded sleeves which are respectively sealed and rotatably sleeved outside the two connectors, the two threaded sleeves are in transmission connection through a first transmission mechanism, the two threaded sleeves are fixedly sleeved with a rotating ring, and the two threaded sleeves are respectively matched with the two connecting pipes on the gas meter.
Preferably, the first transmission mechanism comprises two first belt pulleys, the two first belt pulleys are in transmission connection through a first belt, and the two first belt pulleys are respectively and fixedly connected with the two threaded sleeves in a coaxial mode.
Preferably, the monitoring mechanism includes the slide with the sealed sliding connection of monitoring chamber, the upper end fixedly connected with connecting rod of slide, the upper end fixedly connected with buffer board of connecting rod, be equipped with the buffer gear who is used for buffering the buffer board in the monitoring intracavity.
Preferably, buffer gear includes two recesses, two of two settings on monitoring intracavity lateral wall all rotate in the recess and be connected with the threaded rod, two the threaded rod all overlaps outward and is equipped with the stopper, two the stopper all with buffer board fixed connection, two the stopper all with recess inside wall sliding connection, two threaded rod external thread cover is equipped with same regulating plate, two the threaded rod all overlaps outward and is equipped with the spring, two the upper and lower both ends of spring are equallyd divide do not with the lower extreme of regulating plate and the upper end fixed connection of stopper, be equipped with the cavity in the box body, two the upper end of threaded rod all rotates to run through the box body and is connected, two with the cavity inside wall rotation the part that the threaded rod is located the cavity passes through the transmission of second drive mechanism and connects, one of them the upper end of threaded rod is rotated and is run through box body and coaxial fixedly connected with second turning handle.
Preferably, the second transmission mechanism comprises two second belt wheels, the two second belt wheels are in transmission connection through a second belt, and the two second belt wheels are respectively and fixedly connected with the two threaded rods in a coaxial mode.
Preferably, a transparent acrylic plate is fixedly embedded between the box body and the monitoring cavity, and scales are marked on the outer surface of the transparent acrylic plate.
Preferably, a valve is arranged on the air inlet pipe.
Compared with the prior art, the invention has the following beneficial effects:
by arranging the connecting mechanism, the two connectors correspond to connecting pipes on a gas meter, then one of the rotating rings is rotated, the rotating ring drives one of the threaded sleeves to rotate, one of the threaded sleeves drives the other threaded sleeve to rotate through the two first belt pulleys, the two threaded sleeves are in sealed connection with the two connecting pipes of the gas meter through threads, one of the connectors seals the connecting pipes, the other connector enables the gas meter to be communicated with the box body, the valve is closed, then the first rotating handle is rotated, the first rotating handle drives the two-way threaded rod to rotate, the two-way threaded rod drives the two threaded blocks to move relatively, the two threaded blocks drive the sealing plate to lift through the two deflection plates, the air pressure in the box body is increased at the moment, the air pressure can push the sliding plate to lift up until a certain height, if the air tightness of the gas meter is poor, the air leakage in the box body can be accelerated by the higher air pressure, the detection efficiency of the gas meter on the air tightness is improved, after the leakage, the air pressure is reduced, the sliding plate is reduced under the thrust action of the spring, the severity of the gas leakage can be judged according to the descending height of the sliding plate within a certain time, and the detection effect on the gas tightness of the gas meter is better.
The invention has higher gas tightness calibration and measurement efficiency and better detection effect on the gas meter.
Drawings
FIG. 1 is a perspective view of the front structure of an air tightness detection device of an intelligent hanging gas meter according to the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a schematic front structural view of an intelligent hanging type gas meter gas tightness detection device provided by the invention;
fig. 4 is a schematic side view of an intelligent hanging type gas meter airtightness detection apparatus according to the present invention;
fig. 5 is a perspective view of a threaded sleeve in the gas tightness detection device for an intelligent hanging gas meter according to the present invention.
In the figure: the device comprises a box body 1, a sealing plate 2, a lifting mechanism 3, an air pressure sensor 4, a connector 5, a connecting mechanism 6, a monitoring cavity 7, a through hole 8, a monitoring mechanism 9, an air inlet pipe 10, a display screen 11, a lifting groove 12, a two-way threaded rod 13, a first rotating handle 14, a threaded block 15, a deflection plate 16, a threaded sleeve 17, a first transmission mechanism 18, a rotating ring 19, a first belt pulley 20, a sliding plate 21, a connecting rod 22, a buffer plate 23, a buffer mechanism 24, a groove 25, a threaded rod 26, a limiting block 27, an adjusting plate 28, a spring 29, a cavity 30, a second transmission mechanism 31, a second rotating handle 32, a second belt pulley 33, a transparent acrylic plate 34, scales 35 and a valve 36.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-5, a hanging gas table gas tightness detection device of intelligence, comprises a box body 1, box body 1 inner seal sliding connection has closing plate 2, be equipped with the elevating system 3 that is used for going up and down to closing plate 2 in the box body 1, it is specific, elevating system 3 is including setting up lifting tank 12 at 1 interior top of box body, lifting tank 12 internal rotation is connected with two-way threaded rod 13, the one end rotation of two-way threaded rod 13 runs through box body 1 and the first turning handle 14 of coaxial fixedly connected with, 13 external thread bush of two-way threaded rod is equipped with two screw blocks 15, it needs to explain, all run through on two screw blocks 15 be equipped with 13 assorted screw holes with two-way threaded rod, the screw in two screw holes revolves to opposite directions, the lower extreme of two screw blocks 15 all rotates and is connected with deflection board 16.
In the invention, the lower ends of two deflection plates 16 are rotatably connected with the upper end of a sealing plate 2, an air pressure sensor 4 is fixedly installed in a box body 1, it should be noted that the air pressure sensor 4 can be a miniature air pressure sensor with the model of MS5605-02BA, and is electrically connected with a display screen 11, which is not described in detail for the prior art, two connectors 5 are fixedly installed at the lower end of the box body 1, connecting mechanisms 6 for connecting with a gas meter are arranged on the two connectors 5, further, each connecting mechanism 6 comprises two threaded sleeves 17 respectively and rotatably sleeved outside the two connectors 5 in a sealing manner, the two threaded sleeves 17 are in transmission connection through a first transmission mechanism 18, it is worth mentioning that the first transmission mechanism 18 comprises two first belt pulleys 20, and the two first belt pulleys 20 are in transmission connection through a first belt.
In the invention, two first belt pulleys 20 are respectively and fixedly connected with two threaded sleeves 17 in a coaxial manner, a rotating ring 19 is fixedly sleeved outside each of the two threaded sleeves 17, the two threaded sleeves 17 are respectively matched with two connecting pipes on a gas meter, one connector 5 is communicated with a box body 1, a monitoring cavity 7 is arranged in the box body 1, the monitoring cavity 7 is communicated with the box body 1 through a through hole 8, a monitoring mechanism 9 is arranged in the monitoring cavity 7, specifically, the monitoring mechanism 9 comprises a sliding plate 21 in sliding connection with the monitoring cavity 7 in a sealing manner, the upper end of the sliding plate 21 is fixedly connected with a connecting rod 22, the upper end of the connecting rod 22 is fixedly connected with a buffer plate 23, a buffer mechanism 24 for buffering the buffer plate 23 is arranged in the monitoring cavity 7, and it should be noted that the buffer mechanism 24 comprises two grooves 25 arranged on the inner side wall of the monitoring cavity 7.
In the invention, threaded rods 26 are rotatably connected in the two grooves 25, limiting blocks 27 are sleeved outside the two threaded rods, the two limiting blocks 27 are fixedly connected with the buffer plate 23, the two limiting blocks 27 are slidably connected with the inner side wall of the groove 25, an adjusting plate 28 is sleeved outside the two threaded rods 26, springs 29 are sleeved outside the two threaded rods 26, the upper ends and the lower ends of the two springs 29 are fixedly connected with the lower end of the adjusting plate 28 and the upper ends of the limiting blocks 27 respectively, a cavity 30 is arranged in the box body 1, the upper ends of the two threaded rods 26 are rotatably penetrated through the box body 1 and rotatably connected with the inner side wall of the cavity 30, the parts of the two threaded rods 26 located in the cavity 30 are in transmission connection through a second transmission mechanism 31, and it is required to say that the second transmission mechanism 31 comprises two second belt pulleys 33.
In the invention, two second belt wheels 33 are in transmission connection through a second belt, the two second belt wheels 33 are respectively and coaxially and fixedly connected with two threaded rods 26, the upper end of one threaded rod 26 rotatably penetrates through a box body 1 and is coaxially and fixedly connected with a second rotating handle 32, an air inlet pipe 10 is fixedly installed on the outer side wall of the box body 1, a valve 36 is arranged on the air inlet pipe 10, the air inlet pipe 10 is communicated with the box body 1, a display screen 11 is fixedly embedded at the front end of the box body 1, it needs to be noted that a transparent acrylic plate 34 is fixedly embedded between the box body 1 and a monitoring cavity 7, and scales 35 are engraved on the outer surface of the transparent acrylic plate 34.
In the invention, two connectors 5 correspond to connecting pipes on a gas meter, then one of the rotary rings 19 is rotated, the rotary ring 19 drives one of the threaded sleeves 17 to rotate, one of the threaded sleeves 17 drives the other threaded sleeve 17 to rotate through two first belt pulleys 20 and a belt, the two threaded sleeves 17 are connected with the two connecting pipes of the gas meter in a sealing manner through threads, one of the connectors 5 seals the connecting pipes, the other connector 5 enables the gas meter to be communicated with a box body 1, a valve 36 is closed, then the first rotary handle 14 is rotated, the first rotary handle 14 drives the two-way threaded rod 13 to rotate, the two-way threaded rod 13 drives the two threaded blocks 15 to move relatively, the two threaded blocks 15 drive a sealing plate 2 to lift through two deflection plates 16, at the moment, the air pressure in the box body 1 is increased, the sliding plate 21 is pushed to lift up to a certain height, if the gas meter has poor air tightness, the air leakage in the box body 1 is accelerated by the higher air pressure, the detection efficiency of the gas meter gas tightness is improved, after the air leakage is reduced, the sliding plate 21 is reduced under the thrust action of a spring 29, and the severity of the gas leakage can be judged according to the reduced height within a certain time.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (9)

1. The intelligent hanging type gas meter airtightness detection device comprises a box body (1) and is characterized in that a sealing plate (2) is connected in the box body (1) in a sealing and sliding mode, a lifting mechanism (3) used for lifting the sealing plate (2) is arranged in the box body (1), a pressure sensor (4) is fixedly arranged in the box body (1), two connectors (5) are fixedly arranged at the lower end of the box body (1), two connecting mechanisms (6) used for being connected with a gas meter are arranged on the connectors (5), one connector (5) is communicated with the box body (1), a monitoring cavity (7) is arranged in the box body (1), the monitoring cavity (7) is communicated with the box body (1) through a through hole (8), a monitoring mechanism (9) is arranged in the monitoring cavity (7), an air inlet pipe (10) is fixedly arranged on the outer side wall of the box body (1), the air inlet pipe (10) is communicated with the box body (1), a display screen (11) is fixedly embedded at the front end of the box body (1), the lifting mechanism (3) comprises a lifting groove (12) arranged at the top in the box body (1), a lifting groove (12), a bidirectional threaded rod (13) penetrates through which a first rotating handle (13) and a first rotating shaft (14) is fixedly connected with a bidirectional threaded rod (13), the bidirectional threaded rod (13) is externally threaded and sleeved with two thread blocks (15), the lower ends of the two thread blocks (15) are connected with a deflection plate (16) in a rotating mode, and the lower ends of the deflection plates (16) are connected with the upper end of the sealing plate (2) in a rotating mode.
2. The hanging gas meter airtightness detection device according to claim 1, wherein threaded holes matched with the bidirectional threaded rod (13) are formed in each of the two threaded blocks (15), and the thread directions in the two threaded holes are opposite.
3. The intelligent hanging type gas meter airtightness detection device according to claim 1, wherein the connection mechanism (6) comprises two threaded sleeves (17) which are respectively and hermetically sleeved with the two connectors (5) in a rotating manner, the two threaded sleeves (17) are in transmission connection through a first transmission mechanism (18), a rotating ring (19) is fixedly sleeved on the outer side of each of the two threaded sleeves (17), and the two threaded sleeves (17) are respectively matched with the two connection pipes on the gas meter.
4. The intelligent hanging type gas meter airtightness detection device according to claim 3, wherein the first transmission mechanism (18) comprises two first belt pulleys (20), the two first belt pulleys (20) are in transmission connection through a first belt, and the two first belt pulleys (20) are respectively and fixedly connected with the two threaded sleeves (17) in a coaxial manner.
5. The intelligent hanging type gas meter airtightness detection device according to claim 1, wherein the monitoring mechanism (9) comprises a sliding plate (21) in sealed sliding connection with the monitoring cavity (7), a connecting rod (22) is fixedly connected to the upper end of the sliding plate (21), a buffer plate (23) is fixedly connected to the upper end of the connecting rod (22), and a buffer mechanism (24) for buffering the buffer plate (23) is arranged in the monitoring cavity (7).
6. The hanging gas table gas tightness detection device of intelligence of claim 5, characterized in that, buffer gear (24) include two recesses (25) of setting on monitoring chamber (7) inside wall, two equal rotation is connected with threaded rod (26) in recess (25), two threaded rod all overlaps and is equipped with stopper (27), two stopper (27) all with buffer board (23) fixed connection, two stopper (27) all with recess (25) inside wall sliding connection, two threaded rod (26) external thread cover is equipped with same regulating plate (28), two threaded rod (26) all overlaps outward and is equipped with spring (29), two the upper and lower both ends of spring (29) are equallyd divide the upper end fixed connection who does not run through box body (1) and with cavity (30) inside wall rotation, two the part that threaded rod (26) are located cavity (30) passes through a second drive mechanism (31) transmission connection, wherein the threaded rod (26) last rotation is connected with second handle (32) and rotation box body (30) internal wall rotation.
7. The intelligent hanging type gas meter airtightness detection device according to claim 6, wherein the second transmission mechanism (31) comprises two second pulleys (33), the two second pulleys (33) are in transmission connection through a second belt, and the two second pulleys (33) are respectively and coaxially and fixedly connected with the two threaded rods (26).
8. The intelligent hanging type gas meter airtightness detection device according to claim 1, wherein a transparent acrylic plate (34) is fixedly embedded between the box body (1) and the monitoring cavity (7), and scales (35) are engraved on the outer surface of the transparent acrylic plate (34).
9. The intelligent hanging type gas meter airtightness detection device according to claim 1, wherein a valve (36) is provided on the gas inlet pipe (10).
CN202011544504.1A 2020-12-23 2020-12-23 Intelligent hanging type gas meter air tightness detection device Active CN112729713B (en)

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CN113390793A (en) * 2021-07-15 2021-09-14 深圳市晶三力电子有限公司 PCB fixing device convenient to PCB detects

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH085502A (en) * 1994-06-23 1996-01-12 Tokyo Gas Co Ltd Gas leak detection device and gas meter with it
CN2466652Y (en) * 2001-01-15 2001-12-19 陈淮新 Coal self-combustion prediction forecasting device for safety monitoring of coal mine
KR101837604B1 (en) * 2018-01-03 2018-03-12 이태근 Device for detecting leakage of gas meter
KR101863254B1 (en) * 2017-05-30 2018-06-01 (주)삼화미터텍 Apparatus for detecting leakage of gas meter
CN108680214A (en) * 2018-05-21 2018-10-19 谢继富 It is a kind of to be easily installed and the gas meter, flow meter of anti-leak
CN208254742U (en) * 2018-05-29 2018-12-18 昆明金质先锋智能仪表有限公司 A kind of portable gas table air-tightness detection device
CN110260163A (en) * 2019-06-12 2019-09-20 青岛尚德荣物联科技有限公司 Gas meter, flow meter prior-warning device
CN209945459U (en) * 2019-05-14 2020-01-14 重庆瑞联科技开发有限责任公司 Gas meter with gas leakage alarm function
CN210005161U (en) * 2019-07-23 2020-01-31 上海立科化学科技有限公司 autoclave air pressure detection device
CN212082498U (en) * 2020-04-09 2020-12-04 南安市世润机械科技有限公司 Gas meter gas leakage alarm device

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH085502A (en) * 1994-06-23 1996-01-12 Tokyo Gas Co Ltd Gas leak detection device and gas meter with it
CN2466652Y (en) * 2001-01-15 2001-12-19 陈淮新 Coal self-combustion prediction forecasting device for safety monitoring of coal mine
KR101863254B1 (en) * 2017-05-30 2018-06-01 (주)삼화미터텍 Apparatus for detecting leakage of gas meter
KR101837604B1 (en) * 2018-01-03 2018-03-12 이태근 Device for detecting leakage of gas meter
CN108680214A (en) * 2018-05-21 2018-10-19 谢继富 It is a kind of to be easily installed and the gas meter, flow meter of anti-leak
CN208254742U (en) * 2018-05-29 2018-12-18 昆明金质先锋智能仪表有限公司 A kind of portable gas table air-tightness detection device
CN209945459U (en) * 2019-05-14 2020-01-14 重庆瑞联科技开发有限责任公司 Gas meter with gas leakage alarm function
CN110260163A (en) * 2019-06-12 2019-09-20 青岛尚德荣物联科技有限公司 Gas meter, flow meter prior-warning device
CN210005161U (en) * 2019-07-23 2020-01-31 上海立科化学科技有限公司 autoclave air pressure detection device
CN212082498U (en) * 2020-04-09 2020-12-04 南安市世润机械科技有限公司 Gas meter gas leakage alarm device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
对燃气表气密性检定装置的改进;杨传旺等;《中国计量》;20130410(第04期);70-71 *
煤气表密封性能检测新方法;杨名大等;《数据采集与处理》;20010530;第16卷(第01期);125-128 *

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