CN108827549A - Detect gas meter leak tightness measuring device - Google Patents
Detect gas meter leak tightness measuring device Download PDFInfo
- Publication number
- CN108827549A CN108827549A CN201810799943.3A CN201810799943A CN108827549A CN 108827549 A CN108827549 A CN 108827549A CN 201810799943 A CN201810799943 A CN 201810799943A CN 108827549 A CN108827549 A CN 108827549A
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- meter
- gas
- flow meter
- gas meter
- outlet
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- 238000007789 sealing Methods 0.000 claims abstract description 40
- 238000001514 detection method Methods 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 230000008676 import Effects 0.000 claims description 27
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000007423 decrease Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 abstract description 3
- 238000009423 ventilation Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 84
- 238000000034 method Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
Abstract
The invention discloses a kind of detection gas meter leak tightness measuring devices, including tong-test ammeter sealing mechanism, leak test cistern device, gas delivery system and electric control system, tong-test ammeter sealing mechanism is made of the identical meter clamping mechanism of two stations and gas meter, flow meter to be checked, thin cylinder piston rod drives downwards push plate while squeezing pull rod on meter clamping mechanism, the stepped sealed set outer diameter on through-hole pull rod between respective gasket and round nut increases, and seals with gas meter, flow meter inlet and outlet connectors inner surface;The lifting cylinder of leak test cistern device pushes water tank and its two side rollers to move up along rack guide groove, and gas meter, flow meter is immersed water tank and carries out leak test inspection;Gas delivery system respectively controls tong-test ammeter sealing mechanism ventilation sealing, leak test cistern device lifting gas supply and pressure;Electric control system completes the control and its parameter setting of the setting pressure air in gas meter, flow meter sealing detection.The present apparatus has the characteristics that easy to operate, detection is intuitive, highly reliable, high-efficient.
Description
Technical field
The invention patent relates to gas meter, flow meter detection fields, and in particular to a kind of for detecting the measurement of gas meter leak tightness
Device.
Background technique
Gas meter, flow meter is the instrument for metering gas usage amount, is made of capsul, machine core, counter three parts,
Combustion gas in use process with certain pressure will jeopardize people's life security once revealing from the capsul of gas meter, flow meter, because
The detection of this gas meter leak tightness is even more important, it is necessary to detect to the being sealed property of gas meter, flow meter after assembling and before coming into operation.
Gas meter leak tightness detects common method, and there are two types of methods, i.e., dry type compares tries with water, and wherein dry type is relatively root
Its leakproofness is judged according to the high pressure dry gas pressure change that measurement is filled in gas meter, flow meter, water examination is that basis is filled with value of pressure
Whether there is bubble to determine whether leakage, latter method is more intuitive and detection efficiency is higher, institute in the gas meter, flow meter immersion of air
It is relatively broad with application range;Water examination detection gas meter, flow meter sealing device needs its pocket watch, sealing joint mechanism to shell of gas meter
Clamping to sealing joint and is filled with value of pressure gas, wherein pocket watch mechanism when clamping shell of gas meter, can be to gas meter, flow meter outside
The contact zones such as shell or upper and lower clamp thereon generate clamping force and table body are caused to deform, and cause contact zone to leak air, are also easy to produce
Erroneous detection, detection leakage phenomenon also easily lead to and connect if in addition gas meter interface sealing device sealing force irrational distribution or contact force are excessive
Mouth clamping deformation, therefore this kind of sealing detection can all cause the secondary damage in gas meter, flow meter detection, there are also the effects of detection and operation
The problems such as rate is low.
Summary of the invention
The purpose of the invention patent is to provide one kind for the above problem present in existing gas meter, flow meter sealing detection technology
Efficiently, reliable gas meter, flow meter package seal checker, is achieved through the following technical solutions:A kind of detection gas meter, flow meter sealing measurement
Device includes tong-test ammeter sealing mechanism, leak test cistern device, gas delivery system and electric control system, the tong-test ammeter sealing mechanism
It is that the first gas meter, flow meter 7 to be detected, the second gas meter, flow meter 17 are constituted by the identical meter clamping mechanism 6 of two stations and thereon, the tong-test ammeter
Mechanism 6 is by thin cylinder 603, pull rod 604, through-hole pull rod 612, fixed plate 609, push plate 610, nut 611, pull-rod nut
605, outlet gasket 606, the stepped sealed set 607 in outlet, outlet round nut 608, through-hole pull-rod nut 614, import gasket 615,
The stepped sealed set 616 of import, import round nut 617 form, and the upper and lower end face of 603 cylinder body of thin cylinder is distinguished by screw 602
It is connect with connecting rod 601 and fixed plate 609, and 601 other end of connecting rod is fixed with 20 upper beam of rack, thin cylinder 603 is living
It is connect by nut 611 with push plate 610 at the top of stopper rod, push plate 610 can be made to move down and reset, the pull rod 604, through-hole pull rod
612 tops are connect by pull-rod nut 605, through-hole pull-rod nut 614 with 609 two sides of fixed plate respectively, wherein pull rod 604 and through-hole
Middle diameter of axle chamfered edge width, the lower diameter of axle of pull rod 612 are matched respectively with the long hole width in the two sides of fixed plate 609, push plate 610 for gap
Merging can control adjustment position, and 603 piston rod of thin cylinder pushes push plate 610 to move down, and make outlet gasket 606 and outlet
Stepped sealed 607 outer diameter of set in outlet between round nut 608 increases, and contacts and seals with the first gas meter, flow meter 7 outlet inner surface, together
When also increase stepped sealed 616 outer diameter of set of the import between import gasket 615 and import round nut 617, with the first gas meter, flow meter 7
The contact of import inner surface and sealing;The leak test cistern device is arranged on left and right sides symmetrical structure, is by water tank 8, pulley 9, two sides
All identical lifting cylinder 10 and two-position five-way valve 11, air accumulator 12 are constituted, and gas source 13 is inflated to setting pressure to air accumulator 12
Afterwards, then translateral two-position five-way valve 11 drives corresponding lifting cylinder 10, same to lead water tank 8 and pulley 9 two sides in rack 20
It is risen or fallen to slot, guarantees that the first gas meter, flow meter 7 on the meter clamping mechanism 6 of two stations, the second gas meter, flow meter 17 immerse or leave water tank 8
Water in, with observation whether have gas leakage generate bubble;The gas delivery system is by gas source 13, the second foot valve 14, first
Foot valve 15, pressurizing vessel 16, the second two mouthfuls of solenoid valves 18, the first two mouthfuls of solenoid valves 19, the second intelligent controller 21, second pressure
Power table 22, the first intelligent controller 24, first pressure gauge 25, angle coupling 613 are constituted, and first gas meter, flow meter 7 will be by manually will
Its air inlet and air outlet is sleeved on the stepped sealed set 616 of import simultaneously, exports on stepped sealed set 607, and it is foot-operated to step on first
Valve 15 controls gas source 13 and ventilates and 603 piston rod of thin cylinder is pushed to move down to the sealing of 7 air inlet/outlet of the first gas meter, flow meter and tensioner,
Stepping on the first foot valve 15 control gas source 13 again pushes 603 piston rod of thin cylinder to move up to 7 air inlet/outlet of the first gas meter, flow meter
Depressurization and release, gas is successively drawn through the first two mouthfuls of solenoid valves 19, angle coupling 613, through-holes in the pressurizing vessel 16
It after bar 612, is filled in the first gas meter, flow meter 7 and detects leakproofness, and be filled with the first intelligent controller 24 and first pressure gauge 25, similarly
To 17 sealing detection of the second gas meter, flow meter;The electric control system is by buzzer 1, power switch 2, lifting button 3, inflation/deflation
Button 4, timing button 5, second solenoid valve 23, the first solenoid valve 26, the time relay 27 are constituted, and the power switch 2 is electricity
Gas control system provides Electric control, the lifting button 3 control two-position five-way valve 11 it is inflated for deflated to lifting cylinder 10 with
It increases or decline water tank 8, the second two mouthfuls of solenoid valves 18 of the control simultaneously of the inflation/deflation button 4, the first two mouthfuls of solenoid valves 19 are distinguished
Inflated for deflated to the second gas meter, flow meter 17, the first gas meter, flow meter 7, second intelligent controller 21, the first intelligent controller 24 can
Setting detection inflation rated pressure, and actual measurement rated pressure signal is inputted respectively through second solenoid valve 23, the first solenoid valve 26
The time relay 27, the timing button 5 control pressure maintaining detection meter when the time relay 27 reaches setting pressure to two gas meter, flow meters
When, the buzzer 1 alarms after detection reaches specified time and leak test is prompted to terminate, that is, completes the sealing inspection of this batch gas meter, flow meter
It surveys.
Beneficial effects of the present invention:A kind of detection gas meter leak tightness measuring device, including tong-test ammeter sealing mechanism, leak test
Cistern device, gas delivery system and electric control system, tong-test ammeter sealing mechanism be by the identical meter clamping mechanism 6 of two stations and to
Gas meter, flow meter composition is examined, 603 piston rod of thin cylinder drives downwards push plate 610 while squeezing pull rod 604, leading on meter clamping mechanism 6
Respective stepped sealed set outer diameter between gasket and round nut increases on hole pull rod 612, seals with gas meter, flow meter inlet and outlet connectors inner surface;
The lifting cylinder 10 of leak test cistern device pushes water tank 8 and its two side rollers 9 to move up along rack guide groove, and gas meter, flow meter is immersed water
Case 8 carries out leak test inspection;Gas delivery system respectively to tong-test ammeter sealing mechanism ventilation sealing, leak test cistern device lifting gas supply and
Pressure control;Electric control system completes the control and its parameter setting of the setting gas pressure in gas meter, flow meter sealing detection;This
Device has the characteristics that easy to operate, detection is intuitive, highly reliable, high-efficient.
Detailed description of the invention
Fig. 1 is general structure schematic diagram of the present invention.
Fig. 2 is partial schematic diagram when meter clamping mechanism is without gas meter, flow meter to be checked in Fig. 1.
Fig. 3 has filled partial schematic diagram when gas meter, flow meter to be checked for meter clamping mechanism in Fig. 1.
In figure, 1. buzzers;2. power switch;3. lifting button;4. inflation/deflation button;5. timing button;6. tong-test ammeter machine
Structure;7. the first gas meter, flow meter;8. water tank;9. pulley;10. lifting cylinder;11. two-position five-way valve;12. air accumulator;13. gas source;14.
Second foot valve;15. the first foot valve;16. pressurizing vessel;17. the second gas meter, flow meter;18. the second two mouthfuls of solenoid valves;19. first
Two mouthfuls of solenoid valves;20. rack;21. the second intelligent controller;22. second pressure gauge;23. second solenoid valve;24. the first intelligence
Controller;25. first pressure gauge;26. the first solenoid valve;27. the time relay;601. connecting rod;602. screw;603. slim
Cylinder;604. pull rod;605. pull-rod nut;606. outlet gasket;The 607. stepped sealed sets in outlet;608. outlet round nuts;
609. fixed plate;610. push plate;611. nut;612. through-hole pull rods;613. angle coupling;614. through-hole pull-rod nuts;
615. import gaskets;The stepped sealed set of 616. imports;617. import round nuts.
Specific embodiment
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of detection gas meter, flow meter sealing measuring device includes tong-test ammeter sealing mechanism, leak test water
Case apparatus, gas delivery system and electric control system, the tong-test ammeter sealing mechanism be by the identical meter clamping mechanism 6 of two stations and
The first gas meter, flow meter 7 to be detected, the second gas meter, flow meter 17 are constituted thereon, and the meter clamping mechanism 6 is by thin cylinder 603, pull rod
604, through-hole pull rod 612, fixed plate 609, push plate 610, nut 611, pull-rod nut 605, outlet gasket 606, outlet ladder
Sealing shroud 607, outlet round nut 608, through-hole pull-rod nut 614, import gasket 615, the stepped sealed set 616 of import, import circle
Nut 617 forms, and the upper and lower end face of 603 cylinder body of thin cylinder is connected with connecting rod 601 and fixed plate 609 respectively by screw 602
It connects, and 601 other end of connecting rod is fixed with 20 upper beam of rack, 603 piston rod part of thin cylinder is by nut 611 and push plate
610 connection, push plate 610 can be made to move down and reset, the pull rod 604,612 top of through-hole pull rod respectively by pull-rod nut 605,
Through-hole pull-rod nut 614 is connect with 609 two sides of fixed plate, wherein the middle diameter of axle chamfered edge width of pull rod 604 and through-hole pull rod 612,
The lower diameter of axle is clearance fit with the long hole width in the two sides of fixed plate 609, push plate 610 and can control adjustment position respectively, described
603 piston rod of thin cylinder pushes push plate 610 to move down, and makes outlet gasket 606 and exports the outlet ladder between round nut 608
607 outer diameter of sealing shroud increases, and contacts and seals with the first gas meter, flow meter 7 outlet inner surface, while also making import gasket 615 and import
Stepped sealed 616 outer diameter of set of import between round nut 617 increases, and contacts and seals with 7 import inner surface of the first gas meter, flow meter;Institute
Stating leak test cistern device is arranged on left and right sides symmetrical structure, is by all identical lifting cylinder 10 and two in water tank 8, pulley 9, two sides
Position five-way valve 11, air accumulator 12 are constituted, after gas source 13 is inflated to setting pressure to air accumulator 12, then translateral two-position five-way valve
11 drive corresponding lifting cylinder 10, with water tank 8 and pulley 9 the two sides guide groove in rack 20 is risen or fallen, guarantee two works
The first gas meter, flow meter 7, the second gas meter, flow meter 17 are immersed or are left in the water of water tank 8 on the meter clamping mechanism 6 of position, whether have gas leakage with observation
Generate bubble;The gas delivery system is by gas source 13, the second foot valve 14, the first foot valve 15, pressurizing vessel 16, second
Two mouthfuls of solenoid valves 18, the first two mouthfuls of solenoid valves 19, the second intelligent controller 21, second pressure gauge 22, the first intelligent controller 24,
First pressure gauge 25, angle coupling 613 are constituted, its air inlet and air outlet by being manually set with by first gas meter, flow meter 7 simultaneously
On the stepped sealed set 616 of import, the stepped sealed set 607 in outlet, steps on the first foot valve 15 control gas source 13 and ventilate and push
603 piston rod of thin cylinder is moved down to the sealing of 7 air inlet/outlet of the first gas meter, flow meter and tensioner, steps on the control of the first foot valve 15 again
Gas source 13 pushes 603 piston rod of thin cylinder to move up to 7 air inlet/outlet depressurization of the first gas meter, flow meter and release, and the pressure stabilizing is held
Gas is filled in the first gas meter, flow meter 7 successively after the first two mouthfuls of solenoid valves 19, angle coupling 613, through-hole pull rods 612 in device 16
Leakproofness is detected, and is filled with the first intelligent controller 24 and first pressure gauge 25, similarly to 17 sealing detection of the second gas meter, flow meter;Institute
Stating electric control system is by buzzer 1, power switch 2, lifting button 3, inflation/deflation button 4, timing button 5, the second electromagnetism
Valve 23, the first solenoid valve 26, the time relay 27 are constituted, and the power switch 2 provides Electric control for electric control system, institute
It is inflated for deflated to lifting cylinder 10 to increase or decline water tank 8, the inflation/deflation to state the control two-position five-way valve 11 of lifting button 3
Button 4 controls the second two mouthfuls of solenoid valves 18, the first two mouthfuls of solenoid valves 19 respectively to the second gas meter, flow meter 17, the first gas meter, flow meter 7 simultaneously
Inflated for deflated, second intelligent controller 21, the first intelligent controller 24 can set detection inflation rated pressure, and will be real
It surveys rated pressure signal and distinguishes input time relay 27 through second solenoid valve 23, the first solenoid valve 26, the timing button 5 is controlled
Pressure maintaining detects timing when the time relay 27 processed reaches setting pressure to two gas meter, flow meters, and the buzzer 1 reaches specified in detection
It alarms after time and leak test is prompted to terminate, that is, complete this batch gas meter, flow meter sealing detection.
Claims (1)
1. a kind of detection gas meter, flow meter sealing includes with measuring device:Tong-test ammeter sealing mechanism, leak test cistern device, gas delivery system
And electric control system, the tong-test ammeter sealing mechanism are by the identical meter clamping mechanism of two stations(6)And thereon to be detected first
Gas meter, flow meter(7), the second gas meter, flow meter(17)It constitutes, the meter clamping mechanism(6)It is by thin cylinder(603), pull rod(604), through-hole
Pull rod(612), fixed plate(609), push plate(610), nut(611), pull-rod nut(605), outlet gasket(606), outlet
Stepped sealed set(607), outlet round nut(608), through-hole pull-rod nut(614), import gasket(615), import it is stepped sealed
Set(616), import round nut(617)Composition, the thin cylinder(603)The upper and lower end face of cylinder body is by screw(602)Respectively and even
Extension bar(601)And fixed plate(609)Connection, and connecting rod(601)The other end and rack(20)Upper beam is fixed, thin cylinder
(603)Piston rod part is by nut(611)With push plate(610)Connection, can make push plate(610)It moves down and resets, the drawing
Bar(604), through-hole pull rod(612)Top is respectively by pull-rod nut(605), through-hole pull-rod nut(614)With fixed plate(609)Two
Side connects, wherein pull rod(604)With through-hole pull rod(612)Middle diameter of axle chamfered edge width, the lower diameter of axle respectively with fixed plate(609),
Push plate(610)The long hole width in two sides be clearance fit and can control adjust position, the thin cylinder(603)Piston rod pushes away
Dynamic push plate(610)It moves down, makes outlet gasket(606)With outlet round nut(608)Between the stepped sealed set in outlet(607)Outside
Diameter increases, with the first gas meter, flow meter(7)Inner surface contact and sealing are exported, while also making import gasket(615)With import round nut
(617)Between the stepped sealed set of import(616)Outer diameter increases, with the first gas meter, flow meter(7)The contact of import inner surface and sealing;Institute
Stating leak test cistern device is arranged on left and right sides symmetrical structure, is by water tank(8), pulley(9), all identical lifting cylinder in two sides
(10)And two-position five-way valve(11), air accumulator(12)It constitutes, gas source(13)To air accumulator(12)After being inflated to setting pressure, then pass through
The two-position five-way valve of two sides(11)Drive corresponding lifting cylinder(10), same to make water tank(8)And pulley(9)Along rack(20)Upper two sides
Guide groove rises or falls, and guarantees the meter clamping mechanism of two stations(6)Upper first gas meter, flow meter(7), the second gas meter, flow meter(17)Immerse or
Leave water tank(8)Water in, with observation whether have gas leakage generate bubble;The gas delivery system is by gas source(13), second
Foot valve(14), the first foot valve(15), pressurizing vessel(16), the second two mouthfuls of solenoid valves(18), the first two mouthfuls of solenoid valves(19),
Second intelligent controller(21), second pressure gauge(22), the first intelligent controller(24), first pressure gauge(25), angle coupling
(613)It constitutes, first gas meter, flow meter(7)By its air inlet and air outlet is manually sleeved on the stepped sealed set of import simultaneously
(616), the stepped sealed set in outlet(607)On, step on the first foot valve(15)Control gas source(13)It ventilates and pushes thin cylinder
(603)Piston rod is moved down to the first gas meter, flow meter(7)Air inlet/outlet sealing and tensioner, step on the first foot valve again(15)Control gas
Source(13)Push thin cylinder(603)Piston rod is moved up to the first gas meter, flow meter(7)Air inlet/outlet depressurization and release, it is described steady
Pressure vessel(16)Middle gas is successively through the first two mouthfuls of solenoid valves(19), angle coupling(613), through-hole pull rod(612)Afterwards, it is filled with
One gas meter, flow meter(7)Middle detection leakproofness, and it is filled with the first intelligent controller(24)And first pressure gauge(25), similarly fired to second
Gas meter(17)Sealing detection;The electric control system is by buzzer(1), power switch(2), lifting button(3), inflation/deflation
Button(4), timing button(5), second solenoid valve(23), the first solenoid valve(26), the time relay(27)It constitutes, the power supply
Switch(2)Electric control, the lifting button are provided for electric control system(3)Control two-position five-way valve(11)To lifting cylinder
(10)It is inflated for deflated to increase or decline water tank(8), the inflation/deflation button(4)The second two mouthfuls of solenoid valves of control simultaneously
(18), the first two mouthfuls of solenoid valves(19)Respectively to the second gas meter, flow meter(17), the first gas meter, flow meter(7)It is inflated for deflated, described second
Intelligent controller(21), the first intelligent controller(24)Detection inflation rated pressure can be set, and rated pressure signal will be surveyed
Through second solenoid valve(23), the first solenoid valve(26)Input time relay respectively(27), the timing button(5)Control the time
Relay(27)Pressure maintaining detection timing, the buzzer when reaching setting pressure to two gas meter, flow meters(1)When detection reaches specified
Between after alarm and leak test prompted to terminate, that is, complete this batch gas meter, flow meter sealing detection.
Priority Applications (1)
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CN201810799943.3A CN108827549A (en) | 2018-07-20 | 2018-07-20 | Detect gas meter leak tightness measuring device |
Applications Claiming Priority (1)
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CN201810799943.3A CN108827549A (en) | 2018-07-20 | 2018-07-20 | Detect gas meter leak tightness measuring device |
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CN108827549A true CN108827549A (en) | 2018-11-16 |
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ID=64139847
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CN201810799943.3A Pending CN108827549A (en) | 2018-07-20 | 2018-07-20 | Detect gas meter leak tightness measuring device |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109406063A (en) * | 2018-11-27 | 2019-03-01 | 大连盛通阀门制造有限公司 | A kind of pressure testing device of small dimension y-type filter body |
CN109827641A (en) * | 2019-01-25 | 2019-05-31 | 重庆融焕电器有限公司 | A kind of gas meter leak tightness water detection device |
CN111802348A (en) * | 2020-08-17 | 2020-10-23 | 天津森罗科技股份有限公司 | Airtight insect killing device and method |
CN111999082A (en) * | 2020-08-05 | 2020-11-27 | 天津格特斯检测设备技术开发有限公司 | Evaporator drainage performance detection equipment and detection method |
CN112649078A (en) * | 2020-12-31 | 2021-04-13 | 宜宾机电一体化研究所 | Clamping structure and suspension sealing structure for gas meter detection device |
CN117249949A (en) * | 2023-11-17 | 2023-12-19 | 天津锐昇兴业科技有限公司 | Vacuum pump cavity tightness detection device and detection method |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN101271034A (en) * | 2008-03-04 | 2008-09-24 | 海盐美捷测试仪器有限公司 | Gas meter leak tightness detecting method and device thereof |
CN201163232Y (en) * | 2008-03-04 | 2008-12-10 | 海盐美捷测试仪器有限公司 | Leak tightness detection apparatus for dry type gas meter |
CN105675220A (en) * | 2016-03-27 | 2016-06-15 | 荣成市宇翔实业有限公司 | Gas meter leak tester |
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2018
- 2018-07-20 CN CN201810799943.3A patent/CN108827549A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101271034A (en) * | 2008-03-04 | 2008-09-24 | 海盐美捷测试仪器有限公司 | Gas meter leak tightness detecting method and device thereof |
CN201163232Y (en) * | 2008-03-04 | 2008-12-10 | 海盐美捷测试仪器有限公司 | Leak tightness detection apparatus for dry type gas meter |
CN105675220A (en) * | 2016-03-27 | 2016-06-15 | 荣成市宇翔实业有限公司 | Gas meter leak tester |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109406063A (en) * | 2018-11-27 | 2019-03-01 | 大连盛通阀门制造有限公司 | A kind of pressure testing device of small dimension y-type filter body |
CN109827641A (en) * | 2019-01-25 | 2019-05-31 | 重庆融焕电器有限公司 | A kind of gas meter leak tightness water detection device |
CN111999082A (en) * | 2020-08-05 | 2020-11-27 | 天津格特斯检测设备技术开发有限公司 | Evaporator drainage performance detection equipment and detection method |
CN111802348A (en) * | 2020-08-17 | 2020-10-23 | 天津森罗科技股份有限公司 | Airtight insect killing device and method |
CN112649078A (en) * | 2020-12-31 | 2021-04-13 | 宜宾机电一体化研究所 | Clamping structure and suspension sealing structure for gas meter detection device |
CN112649078B (en) * | 2020-12-31 | 2024-03-15 | 宜宾机电一体化研究所 | Clamping structure and hanging sealing structure for gas meter detection device |
CN117249949A (en) * | 2023-11-17 | 2023-12-19 | 天津锐昇兴业科技有限公司 | Vacuum pump cavity tightness detection device and detection method |
CN117249949B (en) * | 2023-11-17 | 2024-04-02 | 天津锐昇兴业科技有限公司 | Vacuum pump cavity tightness detection device and detection method |
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Application publication date: 20181116 |