CN207081524U - A kind of efficient leak detector of multimedium - Google Patents

A kind of efficient leak detector of multimedium Download PDF

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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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CN
China
Prior art keywords
communicated
valve
branch pipe
workpiece
total
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201720545763.3U
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Chinese (zh)
Inventor
不公告发明人
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Dafeng Jinhui Wind Power Equipment Co Ltd
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Dafeng Jinhui Wind Power Equipment Co Ltd
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Priority to CN201720545763.3U priority Critical patent/CN207081524U/en
Application granted granted Critical
Publication of CN207081524U publication Critical patent/CN207081524U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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

A kind of efficient leak detector of multimedium
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).
CN201720545763.3U 2017-05-17 2017-05-17 A kind of efficient leak detector of multimedium Expired - Fee Related CN207081524U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720545763.3U CN207081524U (en) 2017-05-17 2017-05-17 A kind of efficient leak detector of multimedium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720545763.3U CN207081524U (en) 2017-05-17 2017-05-17 A kind of efficient leak detector of multimedium

Publications (1)

Publication Number Publication Date
CN207081524U true CN207081524U (en) 2018-03-09

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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180309

Termination date: 20210517

CF01 Termination of patent right due to non-payment of annual fee