CN108680214A - It is a kind of to be easily installed and the gas meter, flow meter of anti-leak - Google Patents
It is a kind of to be easily installed and the gas meter, flow meter of anti-leak Download PDFInfo
- Publication number
- CN108680214A CN108680214A CN201810487999.5A CN201810487999A CN108680214A CN 108680214 A CN108680214 A CN 108680214A CN 201810487999 A CN201810487999 A CN 201810487999A CN 108680214 A CN108680214 A CN 108680214A
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- Prior art keywords
- side wall
- gas
- flow meter
- installs case
- gas meter
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/06—Indicating or recording devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/18—Supports or connecting means for meters
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
It is easily installed and the gas meter, flow meter of anti-leak the invention discloses a kind of, including gas meter, flow meter ontology, installs case, the gas meter, flow meter ontology is fixedly mounted in installs case, it is fixedly connected with controller on the side wall of the installs case, the interior bottom of the installs case is fixedly connected with supporting sleeve corresponding with gas meter, flow meter body position, gas meter, flow meter ontology lower end and the interior bottom of supporting sleeve offset, the upper end of the gas meter, flow meter ontology is equipped with inlet end and outlet side, the upper end both sides of the installs case are respectively equipped with air inlet pipe and an air outlet pipe, the upper end side wall of the installs case is equipped with perforation corresponding with air inlet pipe and an air outlet pipe position.Structure of the invention is compact, convenient for being installed to gas meter, flow meter, and when gas leakage, gas leakage can be detected in time, sends out alarm signal, and the closing of solenoid valve is controlled by controller, fail to close combustion gas in time when preventing people from staying out, is effectively guaranteed the security of the lives and property of people.
Description
Technical field
The present invention relates to gas meter, flow meter technical field more particularly to a kind of it is easily installed and the gas meter, flow meter of anti-leak.
Background technology
Can only see outside gas meter, flow meter has the idler wheel with number in small windowpane, have seven bit digitals, decimal on idler wheel
Preceding four of point be after black three be red, the daily fuel cooked of people is from the seriously polluted routine such as firewood and coal
The energy is changed into the clean energy resourcies such as natural gas and coal gas, and gas meter, flow meter will play its effect herein, there is the automatic tired of it
Count function so that those easily can know how much gas used using other of natural gas or piped gas, so as to can be according to
The monthly cubic meter number payment of consumption combustion gas.But at present gas meter, flow meter be all it is exposed be fixedly installed in face of wall, it is serious
Indoor beauty is affected, and occupies indoor area, and many users often forget about after cooking and close gas meter, flow meter
Valve, gas meter, flow meter are closed the phenomenon that valve easy tos produce gas leakage due to not having, can not be effectively guaranteed in time
The security of the lives and property of people.
Invention content
The purpose of the present invention is to solve disadvantages existing in the prior art, and the one kind proposed is easily installed and prevents letting out
The gas meter, flow meter of leakage.
To achieve the goals above, present invention employs following technical solutions：
It is a kind of to be easily installed and the gas meter, flow meter of anti-leak, including gas meter, flow meter ontology, installs case, the gas meter, flow meter ontology are fixed
In installs case, controller is fixedly connected on the side wall of the installs case, the interior bottom of the installs case is fixedly connected
There is a supporting sleeve corresponding with gas meter, flow meter body position, the interior bottom of gas meter, flow meter ontology lower end and supporting sleeve offsets, the combustion
The upper end of gas meter ontology is equipped with inlet end and outlet side, and the upper end both sides of the installs case are respectively equipped with air inlet pipe and an air outlet pipe,
The upper end side wall of the installs case is equipped with perforation corresponding with air inlet pipe and an air outlet pipe position, under the air inlet pipe and an air outlet pipe
End extends through perforation and fixation is set on inlet end and the side wall of outlet side, and the side wall of the air inlet pipe is equipped with electromagnetism
Valve, the solenoid valve are electrically connected with controller, and the side wall of the gas meter, flow meter ontology is equipped with reading table, the gas meter, flow meter ontology
Fixing sleeve is connected to fixing sleeve on the side wall of lower end, and the opposed inner walls of the installs case, which have been fixedly connected with, carries out fixing sleeve
The upper end side wall of fixed position-limit mechanism, the gas meter, flow meter ontology is fixedly connected with fixed plate, and the upper end of the fixed plate is fixed
Horizontal testing agency is installed, gas-detecting device is installed on the side wall of the installs case, the gas-detecting device includes
Gas security, alarm, and gas security, alarm are electrically connected with controller, the installs case is close to upper end
Mounting plate is installed, the side that is internally provided with of the mounting plate has the mounting groove of opening, the gas security solid on side wall
Dingan County is in mounting groove, through equipped with snorkel corresponding with gas security position on the side wall of the installs case.
Preferably, fixing sleeve is connected to protective jacket on the inner wall of two perforation, is wrapped on the inner wall of two protective jackets
It is covered with sealing shroud, and two sealing shrouds offset with the side wall of air inlet pipe and an air outlet pipe respectively.
Preferably, the position-limit mechanism includes the connecting plate being fixedly connected on installation chamber interior wall, the side of the connecting plate
Dummy block is fixedly connected on wall, this body sidewall offsets with gas meter, flow meter for the one end of the dummy block far from connecting plate, the connection
The side wall of plate is equipped with the first lock-screw, and the side wall of the fixing sleeve is equipped with screw thread corresponding with the first lock-screw position
Slot.
Preferably, the horizontal testing agency includes stripe board, and the upper end of the stripe board is fixedly connected with placement plate, institute
The upper end for stating placement plate is equipped with placing groove, and the interior bottom of the placing groove is fixedly connected with engagement plate, the upper end of the engagement plate
Be fixedly connected with U-shaped horizontal tube, the both sides of the U-shaped horizontal tube are equipped with graduation mark, the upper end of the U-shaped horizontal tube be equipped with into
The mouth of a river, and water inlet is equipped with piston, and multiple be fixed in fixed plate is equidistantly equipped on the side wall of the stripe board
Second lock-screw.
Preferably, the mounting plate has been fixedly connected with link block, two connections close to the both sides of installs case one end
Block is equipped with the third lock-screw for being fixedly connected with it with installs case side wall, and the side wall of mounting plate is equipped with and mounting groove phase
The ventilation opening of connection..
Preferably, the gas security, alarm are electrically connected by power supply and controller.
Preferably, the lower end of the installs case is fixedly connected with ring flange, and is equidistantly equipped on the side wall of ring flange more
A mounting hole.
Preferably, the both sides of the installs case are equipped with heat emission hole, and Air Filter is equipped at heat emission hole.
Preferably, it is rotatably connected to maintenance door by two hinges on the side wall of the installs case, is set in the maintenance door
There is an electromagnetic lock, and the side wall of maintenance door is equipped with to set with reading epitope and corresponding looks around window.
In the present invention, when being installed to gas meter, flow meter ontology, gas meter, flow meter ontology is placed on supporting sleeve, passes through first
Fixing sleeve is fixed in lock-screw, and after installing gas meter, flow meter ontology, inlet end is for net by air inlet pipe and extraneous combustion gas
System connection, outlet side is connect by escape pipe and family gas-fired equipment, and in combustion gas in use, when gas leakage, combustion gas senses
Electric signal is passed to controller by device, and controller sends out signal after obtaining electric signal to alarm, at this time alarm work, people
After receiving alarm signal, door and window is opened, while electric signal is passed to solenoid valve by controller, solenoid valve is closed, to stop
Air inlet pipe air inlet fails to close combustion gas in time when people being avoided to stay out.Structure of the invention is compact, convenient for pacifying to gas meter, flow meter
Dress, and when gas leakage, gas leakage can be detected in time, alarm signal is sent out, and solenoid valve is controlled by controller
It closes, fails to close combustion gas in time when preventing people from staying out, be effectively guaranteed the security of the lives and property of people.
Description of the drawings
Fig. 1 is proposed by the present invention a kind of is easily installed and the structural schematic diagram of the gas meter, flow meter of anti-leak；
Fig. 2 is proposed by the present invention a kind of is easily installed and the structural schematic diagram at the maintenance door of the gas meter, flow meter of anti-leak；
Fig. 3 is proposed by the present invention a kind of is easily installed and the structure at the horizontal testing agency of the gas meter, flow meter of anti-leak is shown
It is intended to；
Fig. 4 is proposed by the present invention a kind of is easily installed and the interior section vertical view of the gas meter, flow meter of anti-leak；
Fig. 5 is enlarged drawing at A in Fig. 1；
Fig. 6 is proposed by the present invention a kind of is easily installed and the functional block diagram of the gas meter, flow meter of anti-leak.
In figure：1 gas meter, flow meter ontology, 2 installs cases, 3 inlet ends, 4 outlet sides, 5 reading tables, 6 air inlet pipe, 7 escape pipes, 8
Support set, 9 fixing sleeves, 10 connecting plates, 11 first lock-screws, 12 dummy blocks, 13 solenoid valves, 14 snorkels, 15 mounting plates, 16 combustions
Gas sensor, 17 link blocks, 18 third lock-screws, 19 controllers, 20 power supplys, 21 alarms, 22 ring flanges, 23 mounting holes,
24 stripe boards, 25 second lock-screws, 26 placement plates, 27 engagement plates, 28 U-shaped horizontal tubes, 29 fixed plates, 30 protective jackets, 31 dimensions
It repaiies door, 32 hinges, 33 look around window, 34 electromagnetic locks, 35 Air Filters.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-6, a kind of to be easily installed and the gas meter, flow meter of anti-leak, including gas meter, flow meter ontology 1, installs case 2, gas meter, flow meter
Ontology 1 is fixedly mounted in installs case 2, and controller 19 is fixedly connected on the side wall of installs case 2, and the interior bottom of installs case 2 is solid
Surely it is connected with supporting sleeve 8 corresponding with 1 position of gas meter, flow meter ontology, 1 lower end of gas meter, flow meter ontology and the interior bottom of supporting sleeve 8 offset,
The upper end of gas meter, flow meter ontology 1 is equipped with inlet end 3 and outlet side 4, and the upper end both sides of installs case 2 are respectively equipped with air inlet pipe 6 and outlet
Pipe 7, the upper end side wall of installs case 2 are equipped with perforation corresponding with air inlet pipe 6 and 7 position of escape pipe, air inlet pipe 6 and escape pipe 7
Lower end extends through perforation and fixation is set on inlet end 3 and the side wall of outlet side 4, and inlet end 3 passes through air inlet pipe 6 and the external world
Combustion gas is for net system connectivity, and outlet side 4 is connect by escape pipe 7 with family gas-fired equipment, and the side wall of air inlet pipe 6 is equipped with electromagnetism
Valve 13, solenoid valve 13 are electrically connected with controller 19, and when gas leakage, gas security 16 detects gas, by electric signal
Controller 19 is passed to, controller 19 carries out transmission signal to solenoid valve 13 at this time, and solenoid valve 13 closes in time after receiving signal
It closes, to prevent gas leakage, the side wall of gas meter, flow meter ontology 1 to be equipped with reading table 5, side wall of the gas meter, flow meter ontology 1 close to lower end
Upper fixing sleeve is connected to fixing sleeve 9, and the opposed inner walls of installs case 2 are fixedly connected with the position-limit mechanism that fixing sleeve 9 is fixed,
The upper end side wall of gas meter, flow meter ontology 1 is fixedly connected with fixed plate 29, and the upper end of fixed plate 29 is installed with horizontal testing agency,
Horizontal testing agency helps to detect whether gas meter, flow meter ontology 1 is to be horizontally mounted, and avoids being tilted when its installation, installs case 2
Side wall on gas-detecting device is installed, gas-detecting device includes gas security 16, alarm 21, and gas security
16, alarm 21 is electrically connected with controller 19, and installs case 2 is equipped with mounting plate 15, mounting plate on the side wall of upper end
There is the mounting groove of opening, gas security 16 to be fixedly mounted in mounting groove for 15 side that is internally provided with, the side wall of installs case 2
Upper to run through equipped with snorkel 14 corresponding with 16 position of gas security, when gas leakage, gas security 16 passes through ventilation
Pipe 14 detects the big gas of concentration, while the gas of kitchen internal leakage can be also detected by ventilation opening, and gas security 16 will
Electric signal passes to controller 19, and controller 19 obtains sending out signal to alarm 21 after referring to electric signal, at this time 21 work of alarm
Make, after people receive alarm signal, opens door and window evacuated gas in time.
In the present invention, fixing sleeve is connected to protective case 30 on the inner wall of two perforation, is coated on the inner wall of two protective cases 30
There is sealing shroud, and side wall of two sealing shrouds respectively with air inlet pipe 6 and escape pipe 7 offsets, sealing shroud is set in protective case 30, it is right
Air inlet pipe 6 and escape pipe 7 play the role of seal protection.Position-limit mechanism includes the connecting plate being fixedly connected on 2 inner wall of installs case
10, dummy block 12, the one end of dummy block 12 far from connecting plate 10 and gas meter, flow meter ontology 1 are fixedly connected on the side wall of connecting plate 10
Side wall offsets, and the side wall of connecting plate 10 is equipped with the first lock-screw 11, and the side wall of fixing sleeve 9 is equipped with and the first lock-screw
The corresponding thread groove in 11 positions, when being installed to gas meter, flow meter ontology 1, dummy block 12 and the side wall of gas meter, flow meter ontology 1 offset,
Connecting plate 10 is fixedly connected with fixing sleeve 9 by the first lock-screw 11, to play fixation to the installation of gas meter, flow meter ontology 1
Effect.Horizontal testing agency includes stripe board 24, and the upper end of stripe board 24 is fixedly connected with placement plate 26, the upper end of placement plate 26
Equipped with placing groove, the interior bottom of placing groove is fixedly connected with engagement plate 27, and the upper end of engagement plate 27 is fixedly connected with U-shaped horizontal tube
28, the both sides of U-shaped horizontal tube 28 are equipped with graduation mark, when the level in U-tube 28 is in same level, then combustion can be explained
Gas meter ontology 1 is to be horizontally mounted, and the upper end of U-shaped horizontal tube 28 is equipped with water inlet, and water inlet is equipped with piston, stripe board 24
On side wall equidistantly be equipped with multiple the second lock-screws 25 being fixed in fixed plate 29, the second lock-screw 25 convenient for pair
Horizontal testing agency carries out dismounting installation.Mounting plate 15 has been fixedly connected with link block 17 close to the both sides of 2 one end of installs case, and two
A link block 17 is equipped with the third lock-screw 18 for being fixedly connected with it with 2 side wall of installs case, and on the side wall of mounting plate 15
Equipped with the ventilation opening being connected with mounting groove.Gas security 16, alarm 21 are electrically connected by power supply 20 and controller 19
It connects.The lower end of installs case 2 is fixedly connected with ring flange 22, and multiple mounting holes 23 are equidistantly equipped on the side wall of ring flange 22,
Installs case 2 can be fixed in kitchen by ring flange 22.The both sides of installs case 2 are equipped with heat emission hole, and are equipped at heat emission hole
Air Filter 35.It is rotatably connected to maintenance door 31 by two hinges 32 on the side wall of installs case 2, maintenance door 31 is convenient for gas meter, flow meter
The installation and removal of ontology 1, while convenient for being overhauled to it, maintenance door 31 is equipped with electromagnetic lock 34, and the side of maintenance door 31
Wall looks around window 33 equipped with corresponding with 5 position of reading table, looks around window 33 and tables look-up convenient for reading.
In the present invention, when being installed to gas meter, flow meter ontology 1, gas meter, flow meter ontology 1 is placed on supporting sleeve 8, is passed through
Fixing sleeve 9 is fixed in the first lock-screw 11 on two position-limit mechanisms, to realize the fixation to gas meter, flow meter ontology 1,
It can be according to the both sides water level in the U-shaped horizontal tube 28 in horizontal testing agency come to judging whether gas meter, flow meter ontology 1 is horizontal peace
Dress, when the water level in U-shaped horizontal tube 28 flushes, then it represents that gas meter, flow meter ontology 1 is in horizontality, and being horizontally mounted can be certain
Gas meter, flow meter is avoided still to add up combustion gas number, after installing gas meter, flow meter ontology 1, inlet end in the case where combustion gas is not used in degree
3 by air inlet pipe 6 and extraneous combustion gas for net system connectivity, outlet side 4 is connect by escape pipe 7 with family gas-fired equipment, is being fired
For gas in use, when gas leakage, gas security 16 detects the big gas of concentration by snorkel 14, while can also pass through
Ventilation opening detects the gas of kitchen internal leakage, and electric signal is passed to controller 19 by gas security 16, and controller 19 is referred to
Signal is sent out to alarm 21 after electric signal, alarm 21 works at this time, after people receive alarm signal, opens door and window, together
When controller 19 electric signal is passed into solenoid valve 13, solenoid valve 13 is closed, and to stop 6 air inlet of air inlet pipe, people is avoided not exist
Fail to close combustion gas in time when family.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
- It is easily installed and the gas meter, flow meter of anti-leak 1. a kind of, including gas meter, flow meter ontology (1), installs case (2), which is characterized in that institute It states gas meter, flow meter ontology (1) to be fixedly mounted in installs case (2), controller is fixedly connected on the side wall of the installs case (2) (19), the interior bottom of the installs case (2) is fixedly connected with supporting sleeve (8) corresponding with gas meter, flow meter ontology (1) position, the combustion Gas meter ontology (1) lower end and the interior bottom of supporting sleeve (8) offset, the upper end of the gas meter, flow meter ontology (1) be equipped with inlet end (3) and The upper end both sides of outlet side (4), the installs case (2) are respectively equipped with air inlet pipe (6) and escape pipe (7), the installs case (2) Upper end side wall is equipped with perforation corresponding with air inlet pipe (6) and escape pipe (7) position, under the air inlet pipe (6) and escape pipe (7) End extends through perforation and fixation is set on inlet end (3) and the side wall of outlet side (4), on the side wall of the air inlet pipe (6) Equipped with solenoid valve (13), the solenoid valve (13) is electrically connected with controller (19), is set on the side wall of the gas meter, flow meter ontology (1) There are reading table (5), the gas meter, flow meter ontology (1) fixing sleeve on the side wall of lower end to be connected to fixing sleeve (9), the installs case (2) opposed inner walls are fixedly connected with the position-limit mechanism that fixing sleeve (9) is fixed, the gas meter, flow meter ontology (1) it is upper End side wall is fixedly connected with fixed plate (29), and the upper end of the fixed plate (29) is installed with horizontal testing agency, the peace Gas-detecting device is installed on the side wall of vanning (2), the gas-detecting device includes gas security (16), alarm (21), and gas security (16), alarm (21) are electrically connected with controller (19), and the installs case (2) is close to upper end Side wall on mounting plate (15) is installed, the side that is internally provided with of the mounting plate (15) has the mounting groove of opening, the combustion Gas sensor (16) is fixedly mounted in mounting groove, on the side wall of the installs case (2) through be equipped with and gas security (16) The corresponding snorkel in position (14).
- It a kind of is easily installed and the gas meter, flow meter of anti-leak 2. according to claim 1, which is characterized in that two perforation Inner wall on fixing sleeve be connected to protective jacket (30), be coated with sealing shroud on the inner wall of two protective jackets (30), and two are close Side wall of the big envelope respectively with air inlet pipe (6) and escape pipe (7) offsets.
- It a kind of is easily installed and the gas meter, flow meter of anti-leak 3. according to claim 1, which is characterized in that the position-limit mechanism Including the connecting plate (10) being fixedly connected on installs case (2) inner wall, it is fixedly connected on the side wall of the connecting plate (10) crowded Pressure pad (12), the one end of the dummy block (12) far from connecting plate (10) offset with gas meter, flow meter ontology (1) side wall, the connecting plate (10) side wall is equipped with the first lock-screw (11), and the side wall of the fixing sleeve (9) is equipped with and the first lock-screw (11) The corresponding thread groove in position.
- It a kind of is easily installed and the gas meter, flow meter of anti-leak 4. according to claim 1, which is characterized in that the horizontal detection Mechanism includes stripe board (24), and the upper end of the stripe board (24) is fixedly connected with placement plate (26), the placement plate (26) Upper end is equipped with placing groove, and the interior bottom of the placing groove is fixedly connected with engagement plate (27), and the upper end of the engagement plate (27) is solid Surely it is connected with U-shaped horizontal tube (28), the both sides of the U-shaped horizontal tube (28) are equipped with graduation mark, the U-shaped horizontal tube (28) Upper end is equipped with water inlet, and water inlet is equipped with piston, and multiple consolidated equidistantly is equipped on the side wall of the stripe board (24) The second lock-screw (25) being scheduled in fixed plate (29).
- It a kind of is easily installed and the gas meter, flow meter of anti-leak 5. according to claim 1, which is characterized in that the mounting plate (15) be fixedly connected with link block (17) close to the both sides of installs case (2) one end, two link blocks (17) be equipped with by Its third lock-screw (18) being fixedly connected with installs case (2) side wall, and the side wall of mounting plate (15) is equipped with and mounting groove The ventilation opening being connected.
- It a kind of is easily installed and the gas meter, flow meter of anti-leak 6. according to claim 1, which is characterized in that the combustion gas sensing Device (16), alarm (21) are electrically connected by power supply (20) and controller (19).
- It a kind of is easily installed and the gas meter, flow meter of anti-leak 7. according to claim 1, which is characterized in that the installs case (2) lower end is fixedly connected with ring flange (22), and multiple mounting holes (23) are equidistantly equipped on the side wall of ring flange (22).
- It a kind of is easily installed and the gas meter, flow meter of anti-leak 8. according to claim 1, which is characterized in that the installs case (2) both sides are equipped with heat emission hole, and Air Filter (35) is equipped at heat emission hole.
- It a kind of is easily installed and the gas meter, flow meter of anti-leak 9. according to claim 1, which is characterized in that the installs case (2) it is rotatably connected to maintenance door (31) by two hinges (32) on side wall, the maintenance door (31) is equipped with electromagnetic lock (34), and the side wall of maintenance door (31) is equipped with that table (5) position is corresponding looks around window (33) with reading.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810487999.5A CN108680214A (en) | 2018-05-21 | 2018-05-21 | It is a kind of to be easily installed and the gas meter, flow meter of anti-leak |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810487999.5A CN108680214A (en) | 2018-05-21 | 2018-05-21 | It is a kind of to be easily installed and the gas meter, flow meter of anti-leak |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108680214A true CN108680214A (en) | 2018-10-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810487999.5A Pending CN108680214A (en) | 2018-05-21 | 2018-05-21 | It is a kind of to be easily installed and the gas meter, flow meter of anti-leak |
Country Status (1)
| Country | Link |
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| CN (1) | CN108680214A (en) |
Cited By (5)
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| 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 |
| CN112013427A (en) * | 2020-08-14 | 2020-12-01 | 吴天明 | Explosion-proof gas stove |
| CN112361228A (en) * | 2021-01-13 | 2021-02-12 | 山东交通职业学院 | Explosion-proof type electric control hydraulic actuating mechanism and working method thereof |
| CN112729713A (en) * | 2020-12-23 | 2021-04-30 | 安正计量检测有限公司 | Intelligent hanging type gas meter air tightness detection device |
| CN117213745A (en) * | 2023-11-08 | 2023-12-12 | 潍坊派尔消防科技有限公司 | Air tightness detection device for groove pipe fitting |
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| 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 |
| CN112013427A (en) * | 2020-08-14 | 2020-12-01 | 吴天明 | Explosion-proof gas stove |
| CN112729713A (en) * | 2020-12-23 | 2021-04-30 | 安正计量检测有限公司 | Intelligent hanging type gas meter air tightness detection device |
| CN112729713B (en) * | 2020-12-23 | 2022-11-11 | 安正计量检测有限公司 | Intelligent hanging type gas meter air tightness detection device |
| CN112361228A (en) * | 2021-01-13 | 2021-02-12 | 山东交通职业学院 | Explosion-proof type electric control hydraulic actuating mechanism and working method thereof |
| CN112361228B (en) * | 2021-01-13 | 2021-04-06 | 山东交通职业学院 | Explosion-proof type electric control hydraulic actuating mechanism and working method thereof |
| CN117213745A (en) * | 2023-11-08 | 2023-12-12 | 潍坊派尔消防科技有限公司 | Air tightness detection device for groove pipe fitting |
| CN117213745B (en) * | 2023-11-08 | 2024-03-08 | 潍坊派尔消防科技有限公司 | Air tightness detection device for groove pipe fitting |
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Application publication date: 20181019 |