CN207081524U - A kind of efficient leak detector of multimedium - Google Patents
A kind of efficient leak detector of multimedium Download PDFInfo
- Publication number
- CN207081524U CN207081524U CN201720545763.3U CN201720545763U CN207081524U CN 207081524 U CN207081524 U CN 207081524U CN 201720545763 U CN201720545763 U CN 201720545763U CN 207081524 U CN207081524 U CN 207081524U
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- communicated
- valve
- branch pipe
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Abstract
A kind of efficient leak detector of multimedium, including gas medium source, liquid medium source and workpiece for measurement;There is air cleaner in the gas medium source by pipeline communication, and air cleaner is communicated with total gas trap, and total gas trap is communicated with baffle-box;The baffle-box is communicated with charge valve, and charge valve is communicated with total gas pressure sensor;The total gas pressure sensor is communicated with branch pipe;The branch pipe is provided with branch pipe valve;The branch pipe end is communicated with workpiece for measurement;The workpiece for measurement is communicated with flow cylinder, and piston plate is provided with flow cylinder;Displacement transducer is provided with above the piston plate, the piston plate bottom is provided with first pressure sensor, and the flow cylinder is communicated with purge valve.The utility model passes through provided with liquids and gases medium source, so that side leakage instrument can be applicable plurality of application scenes, the air-tightness of multiple workpiece can be measured simultaneously provided with multiple independent branch pipes simultaneously, operating efficiency is high, can be convenient for measuring the leakage rate of workpiece unit interval in addition.
Description
Technical field
Equipment field of leaking hunting is the utility model is related to, specifically a kind of efficient leak detector of multimedium.
Background technology
Current airtight leak mainly includes following two:Flow for the larger workpiece of leakage quantity (discharge characteristic) detection
The airtight leak detector of formula:Source of the gas is inflated by flow sensor to measured object, and the gas stream of measured object is detected by flow sensor
Amount, and then obtain the leakage quantity value (flow value) of workpiece;For leakage quantity compared with the airtight leak detector of differential pressure type that small workpiece detects:Source of the gas is first
Inflated to measured object and primary standard substance (primary standard substance is known leak-free non-defective unit), then stop inflation in detection, make benchmark
Thing and measured object form closed cavity respectively, and by differential pressure pick-up between the two, measured object is detected by differential pressure change
Micro leakage.Existing leak detector is complicated, cumbersome, and often causes what is leaked hunting using the single medium to leak hunting
Applicability is narrow, and is only capable of leaking hunting to single workpiece when leaking hunting, operating efficiency is low, can not convenient unit of account time
Leakage rate.
Utility model content
The purpose of this utility model is to provide a kind of multimedium efficient leak detector, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the utility model provides following technical scheme:
A kind of efficient leak detector of multimedium, including gas medium source, liquid medium source and workpiece for measurement;The gas medium
There is air cleaner in source by pipeline communication, and air cleaner is communicated with total gas trap, and total gas trap is communicated with baffle-box;It is described
Baffle-box is communicated with charge valve, and charge valve is communicated with total gas pressure sensor;The total gas pressure sensor is communicated with branch pipe;The liquid
Body medium source has liquid filter by pipeline communication, and liquid filter is communicated with total liquid valve, and total liquid valve is communicated with buffering
Case;The baffle-box is communicated with replenishing valve, and replenishing valve is communicated with total hydrostatic sensor, and total hydrostatic sensor is communicated with branch pipe;Institute
State branch pipe and be provided with branch pipe valve;The branch pipe end is communicated with workpiece for measurement;The workpiece for measurement is communicated with flow cylinder, flow cylinder
It is interior to be provided with piston plate;Displacement transducer is provided with above the piston plate, the piston plate bottom is provided with first pressure sensor, institute
State flow cylinder and be communicated with purge valve.
As further program of the utility model:The flow cylinder is made up of transparent material, and flow cylinder side wall, which is provided with, carves
Spend line.
As the utility model further scheme:The baffle-box is provided with pressure-regulating valve.
As the utility model further scheme:The gas medium is inert gas.
As the utility model further scheme:The piston plate is connected by spring with the top of flow cylinder.
Compared with prior art, the beneficial effects of the utility model are:The utility model provided with liquids and gases by being situated between
Matter source so that the practicality that can be applicable plurality of application scenes, enhance the present apparatus of side leakage instrument, while provided with multiple independent branch
Pipe can measure the air-tightness of multiple workpiece simultaneously, and operating efficiency is high, can be convenient for measuring the leakage of workpiece unit interval in addition
Amount.
Brief description of the drawings
Fig. 1 is the sectional view of the efficient leak detector of multimedium;
Fig. 2 is the structural representation of flow cylinder in the efficient leak detector of multimedium.
In figure:1- gas mediums source;2- air cleaners;The total gas traps of 3-;4- regulating valves;5- baffle-boxs;6- charge valves;
7- total gas pressure sensors;8- liquid mediums source;9- liquid filters;The total liquid valves of 10-;11- replenishing valves;The total hydraulic sensings of 12-
Device;13- workpieces for measurement;14- flow cylinders;15- displacement transducers;16- first pressure sensors;17- piston plates;18- row pressures
Valve.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Refer to Fig. 1~2, in the utility model embodiment, a kind of efficient leak detector of multimedium, including gas medium source 1,
Liquid medium source 8 and workpiece for measurement 13;There are air cleaner 2, air cleaner 2 in the gas medium source 1 by pipeline communication
Total gas trap 3 is communicated with, total gas trap 3 is communicated with baffle-box 5;The baffle-box 5 is provided with pressure-regulating valve 4;The baffle-box 5
Charge valve 6 is communicated with, charge valve 6 is communicated with total gas pressure sensor 7;The total gas pressure sensor 7 is communicated with branch pipe 19;The liquid
Body medium source 8 has liquid filter 9 by pipeline communication, and liquid filter 9 is communicated with total liquid valve 10, and total liquid valve 10 connects
There is baffle-box 5;The baffle-box 5 is provided with pressure-regulating valve 4;The baffle-box 5 is communicated with replenishing valve 11, and replenishing valve 11 is communicated with
Total hydrostatic sensor 12;Total hydrostatic sensor 12 is communicated with branch pipe 19, and branch pipe 19 is provided with branch pipe valve 20;The branch pipe 19
End is communicated with workpiece for measurement 13;The workpiece for measurement 13 is communicated with flow cylinder 14, and piston plate 17, piston are provided with flow cylinder 14
Plate 17 is connected by spring with the top of flow cylinder 14;The top of piston plate 17 is provided with displacement transducer 15, the piston plate
17 bottoms are provided with first pressure sensor 16, and the flow cylinder 14 is made up of transparent material, and the side wall of flow cylinder 14 is provided with graduation mark;
The flow cylinder 14 is communicated with purge valve 18.
Operation principle of the present utility model is:The utility model is provided with Jie of leaking hunting of two kinds of states of matter of gas and liquid
Matter, it is applied widely, the medium that leaks hunting can be chosen as needed.When being leaked hunting using gas medium, external air source 1, total gas are opened
Body valve 3, charge valve 6;Gas is filtered by air cleaner 2, ensures the pure of gas of leaking hunting, and gas enters baffle-box 5,
By setting baffle-box 5 and regulating valve 4 to keep supplying the stability of the pressure of gas and liquid, prevent mutation from causing sensor to survey
The error of amount is big, and gas enters workpiece for measurement 13 by charge valve 6, and after gassy in workpiece for measurement 13, gas overflowing enters
Become a mandarin graduated cylinder 14, and gas is jacked up piston plate 17 to the top of piston cylinder, now the pressure of the record of first pressure sensing 16 now
Power, displacement transducer 15 record the position of now piston plate 17, close charge valve 6, start to leak hunting, when at the appointed time, the
The changing value of one pressure sensor 16 then judges that the air-tightness of workpiece meets the requirements, and works as first pressure within standards change value
The changing value of sensor 16 is more than standards change value, then reads the movement value for the piston plate 17 that displacement transducer 15 records, and then
Calculate in the stipulated time, the leakage rate of workpiece;When using liquid as leak hunting medium when, repeat said process, complete to leak hunting, this
Device, which is provided with multiple branch pipes 19 and flow cylinder 14, can measure the air-tightness of multiple individual work pieces simultaneously, when total gas pressure sensor 7 or
Rapid decrease occurs for total reading of hydrostatic sensor 12, you can each individual work pieces is leaked hunting, operating efficiency is high, leaks hunting again
When, gas liquid is discharged by purge valve 18.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (5)
1. a kind of efficient leak detector of multimedium, including gas medium source (1), liquid medium source (8) and workpiece for measurement (13);It is special
Sign is that the gas medium source (1) has air cleaner (2) by pipeline communication, and air cleaner (2) is communicated with total gas
Valve (3), total gas trap (3) are communicated with baffle-box (5);The baffle-box (5) is communicated with charge valve (6), and charge valve (6) is communicated with
Total gas pressure sensor (7);The total gas pressure sensor (7) is communicated with branch pipe (19);The liquid medium source (8) is connected by pipeline
Liquid filter (9) is connected with, liquid filter (9) is communicated with total liquid valve (10), and total liquid valve (10) is communicated with baffle-box
(5);The baffle-box (5) is communicated with replenishing valve (11), and replenishing valve (11) is communicated with total hydrostatic sensor (12), total hydraulic sensing
Device (12) is communicated with branch pipe (19);The branch pipe (19) is provided with branch pipe valve (20);Branch pipe (19) end is communicated with to be measured
Workpiece (13);The workpiece for measurement (13) is communicated with flow cylinder (14), and piston plate (17) is provided with flow cylinder (14);The piston
Displacement transducer (15) is provided with above plate (17), piston plate (17) bottom is provided with first pressure sensor (16), the stream
Graduated cylinder (14) is communicated with purge valve (18).
2. the efficient leak detector of a kind of multimedium according to claim 1, it is characterised in that the flow cylinder (14) is transparent
Material is made, and flow cylinder (14) side wall is provided with graduation mark.
3. the efficient leak detector of a kind of multimedium according to claim 1, it is characterised in that the baffle-box (5) is provided with pressure
Force regulating valve (4).
4. the efficient leak detector of a kind of multimedium according to claim 1, it is characterised in that the gas medium is indifferent gas
Body.
5. the efficient leak detector of a kind of multimedium according to claim 1, it is characterised in that the piston plate (17) passes through bullet
Spring is connected with the top of flow cylinder (14).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720545763.3U CN207081524U (en) | 2017-05-17 | 2017-05-17 | A kind of efficient leak detector of multimedium |
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CN201720545763.3U CN207081524U (en) | 2017-05-17 | 2017-05-17 | A kind of efficient leak detector of multimedium |
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Publication Number | Publication Date |
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CN207081524U true CN207081524U (en) | 2018-03-09 |
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CN201720545763.3U Expired - Fee Related CN207081524U (en) | 2017-05-17 | 2017-05-17 | A kind of efficient leak detector of multimedium |
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CN (1) | CN207081524U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111999005A (en) * | 2020-09-04 | 2020-11-27 | 杭州铂利雅精密机械有限公司 | Dynamic leakage detector for magnetic fluid |
-
2017
- 2017-05-17 CN CN201720545763.3U patent/CN207081524U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111999005A (en) * | 2020-09-04 | 2020-11-27 | 杭州铂利雅精密机械有限公司 | Dynamic leakage detector for magnetic fluid |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180309 Termination date: 20210517 |
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CF01 | Termination of patent right due to non-payment of annual fee |