CN108760172A - A kind of core of membrane type gas meter ability of swimming leakage detection apparatus and leak hunting method - Google Patents
A kind of core of membrane type gas meter ability of swimming leakage detection apparatus and leak hunting method Download PDFInfo
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- CN108760172A CN108760172A CN201810880826.XA CN201810880826A CN108760172A CN 108760172 A CN108760172 A CN 108760172A CN 201810880826 A CN201810880826 A CN 201810880826A CN 108760172 A CN108760172 A CN 108760172A
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- gas
- gas meter
- positioning plate
- movement
- core
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- 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
A kind of core of membrane type gas meter ability of swimming leakage detection apparatus and leak hunting method,Belong to core of membrane type gas meter leak detection technology field,This core of membrane type gas meter ability of swimming leakage detection apparatus,It include the control gas circuit connected on locating support and locating support by core of membrane type gas meter location sealing,The gas-tpe fitting to interlink with each chamber of movement is provided on locating support,Gas-tpe fitting is connected with control gas circuit,The leak hunting method includes the location sealing to gas meter movement,The leakage detection apparatus for being equipped with movement is put into clear water,High pressure gas is passed through into movement,Phenomenon in observation clear water is judged,The beneficial effects of the invention are as follows,The leakage detection apparatus overall structure is simple,It is convenient that movement positioning is placed,The ability of swimming leak detection completed with the device is easy to operate,And it can intuitively show the position of movement middle chamber leakage point,And detection can be carried out at the same time for each chamber in movement,Improve detection efficiency.
Description
Technical field
The present invention relates to core of membrane type gas meter leak detection technology field more particularly to a kind of core of membrane type gas meter water
Formula leakage detection apparatus and leak hunting method.
Background technology
Measurement instrument of the gas meter, flow meter as metering gas usage amount, it is closely bound up with people's lives.As shown in Figure 1, often
Gas meter movement 6 is divided into four capacity chambers 61 and an outlet chamber 62 communicated with escape pipe by partition board, diaphragm,
After installing upper valve base, the leakproofness of this five chambers will reach requirement.Currently, diaphragm gas meter industry is prevailing both at home and abroad, but
It is to be related to movement leakproofness, most common detection is exactly that movement is placed on leak test plant, to movement plus negative pressure, is added to specified
After pressure, start to balance, observes the leakage situation shown on movement leak test plant.Although this detection method test and comparison side
Just, but because equipment only shows that leakage, which position leakage of specific movement which chamber, chamber cannot be explicitly pointed out, be given
Analysis leakage movement causes certain difficulty.
Invention content
In order to solve the above technical problem, the present invention provides a kind of core of membrane type gas meter ability of swimming leakage detection apparatus, solve
Existing core of membrane type gas meter leak test plant cannot show the position of leakage point accurate and visually, to workover rig core ribbon come one
Fixed difficult problem further solves the inefficient problem of movement leak detection operation, it is therefore intended that, design a kind of movement
Leakage detection apparatus, to make that its overall structure is simple, movement positioning is placed convenient, it is easy to operate to hunt leak, and can intuitively show machine
The position of core middle chamber leakage point, and each chamber in movement can be disposably detected, detection efficiency can be improved.
To achieve the above object, the technical solution adopted by the present invention to solve the technical problems is：The diaphragm gas meter
Movement ability of swimming leakage detection apparatus, which is characterized in that include connecting on locating support and locating support by gas meter movement location sealing
The control gas circuit connect is provided with the gas-tpe fitting to interlink with each chamber of movement on the locating support, and the tracheae connects
Head is connected with control gas circuit.
Further, the locating support includes the first positioning plate and the second positioning plate, and the first positioning plate setting exists
The surface of second positioning plate is connected with the regulating member for adjusting its distance between the first positioning plate and the second positioning plate.
Further, the regulating member is arranged in the both sides of the first positioning plate and the second positioning plate, including connecting screw,
The lower end of the connecting screw is pierced by the second positioning plate, and fastens the second positioning plate by nut fastener and position；The company
The upper end for connecing screw rod is pierced by the first positioning plate, and compresses the first positioning plate by knob nut and position.
Further, the upper end of the connecting screw and the first positioning plate clearance fit, the lower end of the connecting screw with
Second positioning plate clearance fit.
Further, be fixed with sealing clamp below first positioning plate, the sealing clamp and movement into row
Gas port sealing coordinates, and the venthole being connected with the gas-tpe fitting is provided on the sealing clamp.
Further, multiple through-holes are provided on first positioning plate, one end of the through-hole is fixed the tracheae and connect
Head, the other end of the through-hole are connected with the venthole.
Further, the locating piece with the cooperation clamping of gas meter movement bottom is fixed on second positioning plate.
Further, the control gas circuit includes air source, is connected with the first admission line on air source, on the first admission line
Setting gas-filled switching tube and air gauge, the first admission line are connected with gas-tpe fitting.
Further, the gas-tpe fitting is provided with 5,5 gas-tpe fittings, four with gas meter movement respectively
Capacity chamber and an outlet chamber are connected, and first admission line passes through four-way pipe and three second admission line phases
Even, wherein two second admission lines are connected by a three-way pipe with third admission line respectively, third admission line and two
A gas-tpe fitting is connected, and in addition second admission line is connected with a gas-tpe fitting.
A kind of leak hunting method of core of membrane type gas meter, with the core of membrane type gas meter ability of swimming leakage detection apparatus,
It is characterized in that：Include the following steps：
1) the distance between the first positioning plate and the second positioning plate in locating support are adjusted, gas meter movement is positioned close
Envelope, while keeping each chamber of gas meter movement opposite with each gas-tpe fitting；
2) the core of membrane type gas meter ability of swimming leakage detection apparatus for being equipped with diaphragm gas meter is put into the transparent appearance equipped with clear water
In device；
3) gas-filled switching tube is opened, so that the gas in air source is entered each chamber of gas meter movement, until air pressure meter pressure
When value reaches 4.5KPa~5.0KPa, stop inflation；
4) by observing the continuity bubble phenomenon in transparent vessel at each chamber of gas meter movement, accurate judgement mould
The leakage point of formula gas meter movement chamber.
The beneficial effects of the invention are as follows：
1, after the leakage detection apparatus is fixed core of membrane type gas meter location sealing by locating support, which is put
It sets in the transparent vessel for filling clear water, high pressure gas is passed through into each chamber of movement by controlling gas circuit, by one section
The pressurize of time the position for whether occurring continuity bubble phenomenon and the generation of continuity bubble in transparent vessel is observed, in turn
Accurate judgement leakage point, the leakage detection apparatus overall structure is fairly simple, and leak detection is easy to operate, and can intuitively show movement
The position of middle chamber leakage point, detection are more accurate；
2, control gas circuit therein includes air source, the first admission line, gas-filled switching tube and air gauge, the first admission line with
Gas-tpe fitting is connected, and gas-tpe fitting is provided with 5, is connected respectively with four movement capacity chambers and an outlet chamber, the
One admission line is connected by four-way pipe with three second admission lines, wherein two second admission lines pass through one three respectively
Siphunculus is connected with two gas-tpe fittings, and in addition second admission line is connected with a gas-tpe fitting, the high pressure gas in air source
Body enters 5 chambers being connected with gas-tpe fitting simultaneously by the first admission line, the second admission line, can be to 5 of movement
Chamber is carried out at the same time leak detection test, then improves the working efficiency of leak detection；
To sum up, the core of membrane type gas meter ability of swimming leakage detection apparatus overall structure is simple, movement positioning placement is convenient, with this
The ability of swimming leak detection that device is completed is easy to operate, and can intuitively show the position of movement middle chamber leakage point, and for
Each chamber can be carried out at the same time detection in movement, improve detection efficiency.
Description of the drawings
Below to each width attached drawing of description of the invention expression content and figure in label be briefly described：
Fig. 1 is the vertical view of core of membrane type gas meter in the prior art；
Fig. 2 is the structural schematic diagram of core of membrane type gas meter ability of swimming leakage detection apparatus in the present invention；
Fig. 3 is the vertical view of locating support in the present invention；
Label in above-mentioned figure is：1. locating support, 11. first positioning plates, 111. through-holes, 12. second positioning plates,
13. regulating member, 131. connecting screws, 132. nut fasteners, 133. knob nuts, 2. control gas circuits, 21. air sources, 22. the
One admission line, 23. gas-filled switching tubes, 24. air gauges, 25. four-way pipes, 26. second admission lines, 27. three-way pipes, 28. thirds
Admission line, 3. gas-tpe fittings, 4. sealing clamps, 41. ventholes, 5. locating pieces, 6. gas meter movements, 61. capacity chambers,
62. outlet chamber.
Specific implementation mode
The specific implementation mode of the present invention is made further detailed by the description to optimum embodiment below against attached drawing
Thin explanation.
Specific embodiment of the present invention is：As shown in Fig. 2, a kind of core of membrane type gas meter ability of swimming leakage detection apparatus, including
The control gas circuit 2 that will be connected on the locating support 1 of core of membrane type gas meter location sealing and locating support 1 is set on locating support 1
It is equipped with the gas-tpe fitting 3 to interlink with each chamber of movement, gas-tpe fitting 3 is connected with control gas circuit 2.The leakage detection apparatus is logical
Locating support 1 is crossed by after the fixation of core of membrane type gas meter location sealing, which is placed on to the transparent appearance for filling clear water
In device, it is passed through high pressure gas into each chamber of movement by controlling gas circuit 2, through pressurize after a period of time, observation is transparent
Whether the position of continuity bubble phenomenon and continuity bubble generation, and then accurate judgement leakage point, the inspection are occurred in container
Leakage device overall structure is fairly simple, and leak detection is easy to operate, and can intuitively show the position of movement middle chamber leakage point,
Detection is more accurate.
Specifically, locating support 1 includes the first positioning plate 11 and the second positioning plate 12, and the first positioning plate 11 is arranged second
The surface of positioning plate 12 is connected with the regulating member 13 for adjusting its distance between first positioning plate 11 and the second positioning plate 12,
The distance between the first positioning plate 11 and the second positioning plate 12 can be adjusted according to the gas meter movement of different size, to gas meter, flow meter machine
Core carries out location sealing, improves versatility and the flexibility of device；Specifically, which is arranged in the first positioning plate
11 and second positioning plate 12 both sides, may be provided at corner location or the left and right sides of the first positioning plate 11 and the second positioning plate 12
Place, keeps overall structure more stable, and Fig. 2, Fig. 3 show the both sides for being symmetricly set on the first positioning plate 11 and the second positioning plate 12,
The regulating member 13 includes connecting screw 131, and the lower end of connecting screw 131 is pierced by the second positioning plate 12, and is fastened by nut
Second positioning plate 12 is fastened and is positioned by part 132, and the upper end of connecting screw 131 is pierced by the first positioning plate 11, and passes through knob nut
First positioning plate 11 is compressed positioning, and the upper end of connecting screw 131 and 11 clearance fit of the first positioning plate by 133, connects spiral shell
The lower end of bar 131 and 12 clearance fit of the second positioning plate, are limited the second positioning plate 12 by nut fastener 132, will
Gas meter movement is put between the first positioning plate 11 and the second positioning plate 12, makes the first positioning plate by turn knobs nut 133
11 are pressed on the top of gas meter movement；Optimally, the lower section of the first positioning plate 11 is fixed with sealing clamp 4, sealing clamp 4 with
The porting sealing cooperation of movement, when turn knobs nut 133 makes the first positioning plate 11 be pressed on the top of gas meter movement
When, the porting of movement is sealed and is compressed by sealing clamp 4, and each chamber of movement is made to be sealed, and is convenient for ability of swimming inspection
Leakage；Specifically, it is provided with the venthole 41 being connected with gas-tpe fitting 3 on the sealing clamp 4, is provided on the first positioning plate 11
Gas-tpe fitting 3 is fixed in one end of multiple through-holes 111, through-hole 111, and the other end of through-hole 111 is connected with venthole 41, makes control
High pressure gas in gas circuit 2 passes sequentially through gas-tpe fitting 3, through-hole 111, venthole 41 and enters in each chamber of movement, carries out
Ability of swimming leak test；Optimally, the locating piece 5 with the cooperation clamping of movement bottom is fixed on the second positioning plate 12, it is fixed by this
Position block 5 positions movement, which is bolted part and is fixed on the second positioning plate 12, facilitates dismounting and adjusts
Whole and installation, while also further improving the stability of movement positioning, when being put into movement in the container equipped with clear water, machine
Core will not be detached from locating support 1 because of the buoyancy of water, keep detection process more stable.
Specifically, control gas circuit 2 includes air source 21, and air source 21 may be configured as inflation air pump, first is connected on air source 21
Admission line 22, setting gas-filled switching tube 23 and air gauge 24 on the first admission line 22, the first admission line 22 and gas-tpe fitting 3
It is connected, by opening and closing gas-filled switching tube 23, so that the high pressure gas in air source 21 is passed through the first admission line 22 and enter movement,
It selects to close gas-filled switching tube 23 by checking the reading of air gauge 24, prevents the excessive damage core part of pressure and prevent movement
Interior air pressure is excessive to cause movement integrally to float, and influences result of leaking hunting；As shown in Figure 2 and Figure 3, according to the chamber of existing movement
Quantity and position setting gas-tpe fitting 3 be 5,5 gas-tpe fittings 3 respectively with four capacity chambers 61 of movement and an outlet
Chamber 62 is connected, and the first admission line 22 is connected by four-way pipe 25 with three second admission lines 26, wherein two second
Admission line 26 is connected by a three-way pipe 27 with third admission line 28 respectively (only shows second air inlet pipe in figure
Road 26 connects third admission line 28 by a three-way pipe 27 and third admission line 28, in addition second admission line 26
Part omit), third admission line 28 is connected with two gas-tpe fittings 3, in addition second admission line 26 and a gas
Pipe fitting 3 is connected, and the high pressure gas in air source 21 passes through the first admission line 22, the second admission line 26, third admission line
28 enter 5 chambers being connected with gas-tpe fitting 3 simultaneously, and can 5 chambers of movement be carried out at the same time with leak detection test, then improved
The working efficiency of leak detection.
A kind of core of membrane type gas meter leak hunting method, with the core of membrane type gas meter ability of swimming leakage detection apparatus, including it is following
Step：
1) the distance between the first positioning plate 11 and the second positioning plate 12 in locating support 1 are adjusted, gas meter movement is determined
Position sealing, while keeping each chamber of gas meter movement opposite with each gas-tpe fitting 3.I.e. first by the bottom of gas meter movement
Positioned by the locating piece 5 of 1 bottom of locating support, and rotate gas meter movement, make each chamber of gas meter movement with
Each gas-tpe fitting 3 is opposite, and then, turn knobs nut 133 makes the first positioning plate 11 be pressed on the top of gas meter movement, together
When make sealing clamp 4 seal the porting of movement to compress, each chamber of movement is made to be sealed.
2) the core of membrane type gas meter ability of swimming leakage detection apparatus for being equipped with gas meter movement is put into the transparent appearance equipped with clear water
In device.
3) gas-filled switching tube 23 is opened, so that the gas in air source 21 is entered each chamber of movement, until 24 pressure of air gauge
When value reaches 4.5KPa~5.0KPa, stop inflation.Open gas-filled switching tube 23, the high pressure gas in air source 21 by first into
Feed channel 22, the second admission line 26, third admission line 28 enter simultaneously in 5 chambers being connected with 5 gas-tpe fittings 3,
Leak detection test is carried out at the same time to 5 chambers of movement, stops inflation when 24 pressure value of air gauge reaches 4.5KPa~5.0KPa,
Pressurize is carried out, the excessive damage core part of pressure is prevented and prevents in movement that air pressure is excessive to cause movement integrally to float, and is influenced
It leaks hunting result.
4) by observing the continuity bubble phenomenon in transparent vessel at each chamber of movement, accurate judgement pattern combustion gas
The leakage point of table movement chamber.
To sum up, the core of membrane type gas meter ability of swimming leakage detection apparatus overall structure is simple, movement positioning placement is convenient, with this
The ability of swimming leak detection that device is completed is easy to operate, and can intuitively show the position of movement middle chamber leakage point, and for
Each chamber can be carried out at the same time detection in movement, improve detection efficiency.
The above, some principles for the present invention that only explains through diagrams, this specification are not intended to limit to the present invention
In the shown concrete structure and the scope of application, therefore every corresponding modification for being possible to be utilized and equivalent,
Belong to the apllied the scope of the claims of the present invention.
Claims (10)
1. a kind of core of membrane type gas meter ability of swimming leakage detection apparatus, which is characterized in that include by gas meter movement (6) location sealing
The control gas circuit (2) connected on locating support (1) and locating support (1) is provided on the locating support (1) every with movement
The gas-tpe fitting (3) that a chamber interlinks, the gas-tpe fitting (3) are connected with control gas circuit (2).
2. core of membrane type gas meter ability of swimming leakage detection apparatus according to claim 1, it is characterised in that：The locating support
(1) include the first positioning plate (11) and the second positioning plate (12), the first positioning plate (11) setting is in the second positioning plate (12)
Surface, be connected between the first positioning plate (11) and the second positioning plate (12) adjust its distance regulating member (13).
3. core of membrane type gas meter ability of swimming leakage detection apparatus according to claim 2, it is characterised in that：The regulating member
(13) it is arranged in the both sides of the first positioning plate (11) and the second positioning plate (12), including connecting screw (131), the connecting screw
(131) lower end is pierced by the second positioning plate (12), and fastens the second positioning plate (12) by nut fastener (132) and position；
The upper end of the connecting screw (131) is pierced by the first positioning plate (11), and by knob nut (133) by the first positioning plate (11)
Compress positioning.
4. core of membrane type gas meter ability of swimming leakage detection apparatus according to claim 3, it is characterised in that：The connecting screw
(131) upper end and the first positioning plate (11) clearance fit, between the lower end and the second positioning plate (12) of the connecting screw (131)
Gap coordinates.
5. core of membrane type gas meter ability of swimming leakage detection apparatus according to claim 2, it is characterised in that：First positioning plate
(11) sealing clamp (4) is fixed with below, the sealing clamp (4) and the porting sealing of movement coordinate, the sealing
The venthole (41) being connected with the gas-tpe fitting (3) is provided on pressing plate (4).
6. core of membrane type gas meter ability of swimming leakage detection apparatus according to claim 5, it is characterised in that：First positioning plate
(11) multiple through-holes (111) are provided on, the gas-tpe fitting (3), the through-hole are fixed in one end of the through-hole (111)
(111) the other end is connected with the venthole (41).
7. core of membrane type gas meter ability of swimming leakage detection apparatus according to claim 5, it is characterised in that：Second positioning plate
(12) locating piece (5) with the cooperation clamping of gas meter movement (6) bottom is fixed on.
8. the core of membrane type gas meter ability of swimming leakage detection apparatus according to claim 1~7 any one, it is characterised in that：Institute
It includes air source (21) to state control gas circuit (2), is connected with the first admission line (22) on air source (21), on the first admission line (22)
Setting gas-filled switching tube (23) and air gauge (24), the first admission line (22) are connected with gas-tpe fitting (3).
9. core of membrane type gas meter ability of swimming leakage detection apparatus according to claim 8, it is characterised in that：The gas-tpe fitting
(3) be provided with 5,5 gas-tpe fittings (3) respectively with four capacity chambers 61 of gas meter movement 6 and an outlet chamber
Room 62 is connected, and first admission line (22) is connected by four-way pipe (25) with three second admission lines (26), wherein
Two second admission lines (26) are connected by a three-way pipe (27) with third admission line (28) respectively, third admission line
(28) it is connected with two gas-tpe fittings (3), in addition second admission line (26) is connected with a gas-tpe fitting (3).
10. a kind of leak hunting method of core of membrane type gas meter, with diaphragm gas as claimed in any one of claims 1 to 9 wherein
Table movement ability of swimming leakage detection apparatus, it is characterised in that：Include the following steps：
1) the distance between the first positioning plate (11) and the second positioning plate (12) in locating support (1) are adjusted, by gas meter movement
(6) location sealing, while keeping each chamber of gas meter movement (6) opposite with each gas-tpe fitting (3)；
2) the core of membrane type gas meter ability of swimming leakage detection apparatus for being equipped with gas meter movement (6) is put into the transparent vessel equipped with clear water
In；
3) gas-filled switching tube (23) is opened, so that the gas in air source (21) is entered each chamber of gas meter movement 6, until air gauge
(24) when pressure value reaches 4.5KPa~5.0KPa, stop inflation；
4) by observing the continuity bubble phenomenon in transparent vessel at each chamber of gas meter movement (6), accurate judgement mould
The leakage point of formula gas meter movement (6) chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810880826.XA CN108760172A (en) | 2018-08-04 | 2018-08-04 | A kind of core of membrane type gas meter ability of swimming leakage detection apparatus and leak hunting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810880826.XA CN108760172A (en) | 2018-08-04 | 2018-08-04 | A kind of core of membrane type gas meter ability of swimming leakage detection apparatus and leak hunting method |
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| Publication Number | Publication Date |
|---|---|
| CN108760172A true CN108760172A (en) | 2018-11-06 |
Family
ID=63968916
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810880826.XA Pending CN108760172A (en) | 2018-08-04 | 2018-08-04 | A kind of core of membrane type gas meter ability of swimming leakage detection apparatus and leak hunting method |
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