CN109406071A - A kind of air-tightness detection device for pipeline - Google Patents

A kind of air-tightness detection device for pipeline Download PDF

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Publication number
CN109406071A
CN109406071A CN201811524600.2A CN201811524600A CN109406071A CN 109406071 A CN109406071 A CN 109406071A CN 201811524600 A CN201811524600 A CN 201811524600A CN 109406071 A CN109406071 A CN 109406071A
Authority
CN
China
Prior art keywords
air
detection device
pipeline
return
unit
Prior art date
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.)
Pending
Application number
CN201811524600.2A
Other languages
Chinese (zh)
Inventor
陆郭春
万信飞
支海波
黄仕茌
赵德强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHANGJIAGANG ZHONGTIAN PRECISION MOLDING CO Ltd
Original Assignee
ZHANGJIAGANG ZHONGTIAN PRECISION MOLDING CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ZHANGJIAGANG ZHONGTIAN PRECISION MOLDING CO Ltd filed Critical ZHANGJIAGANG ZHONGTIAN PRECISION MOLDING CO Ltd
Priority to CN201811524600.2A priority Critical patent/CN109406071A/en
Publication of CN109406071A publication Critical patent/CN109406071A/en
Priority to PCT/CN2019/083004 priority patent/WO2020118996A1/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/28Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
    • G01M3/2807Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
    • G01M3/2815Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements

Abstract

The invention discloses a kind of air-tightness detection devices for pipeline, air inlet, the return-air unit for recovery air-flow, the baroceptor at return-air unit for the gas transmission unit of output gas flow, in device noumenon in device noumenon for being connected to external air source that it includes device noumenon, is opened in device noumenon, pipeline both ends are connected with gas transmission unit and return-air unit respectively.A kind of air-tightness detection device for pipeline of the invention, by inputting air-flow into pipeline, the air pressure of signal piping output gas flow simultaneously, by comparing input air-flow and output gas flow air pressure can effectively judge pipeline whether gas leakage, the apparatus structure is simple, conveniently the air-tightness of pipeline can be detected, detection efficiency is high.

Description

A kind of air-tightness detection device for pipeline
Technical field
The present invention relates to pipe detection fields, and in particular to a kind of air-tightness detection device for pipeline.
Background technique
Pipeline refers to the pipeline that working fluid is transmitted in hydraulic system, for pipeline, due to fluid to be transmitted, The air-tightness of pipeline is most important.Current pipeline air-leakage test, is completed generally by water inspection, but water inspection need by The water of pipeline outer surface dries, extremely low so as to cause production efficiency, while going back waste water resource and causing water pollution.
Summary of the invention
The object of the present invention is to provide a kind of air-tightness detection devices for pipeline, and the apparatus structure is simple, Neng Goufang Just efficiently the air-tightness of pipeline is detected, detection efficiency is high.
In order to achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of air-tightness detection device for pipeline comprising device noumenon, be opened on described device ontology for connecting The air inlet of logical external air source, on described device ontology for the gas transmission unit of output gas flow, set on described device sheet The return-air unit for recovery air-flow, the baroceptor at the return-air unit on body, the pipeline both ends difference It is connected with the gas transmission unit and the return-air unit.
Preferably, the gas transmission unit include first connecting portion for being connect with the pipe ends, be opened in it is described Several transfer ports in first connecting portion.
It is further preferred that the first connecting portion is rounded, several transfer ports are around the first connecting portion Circumferentially-spaced arrangement.
Preferably, the return-air unit include second connecting portion for being connect with the pipe ends, be opened in it is described Several return-air holes in second connecting portion.
It is further preferred that the second connecting portion is rounded, several return-air holes are around the second connecting portion Circumferentially-spaced arrangement.
Preferably, the detection device further includes opening at the gas transmission unit for controlling the gas transmission unit Or the control valve closed.
It is further preferred that the control valve is solenoid valve.
Preferably, the detection device further includes the air pressure display unit set on described device outer body portion, the gas Pressure display unit is electrically connected with the baroceptor.
Preferably, the detection device further includes on described device ontology for adjusting the gas transmission unit output The regulation component of the air pressure of air-flow.
Due to the application of the above technical scheme, compared with the prior art, the invention has the following advantages: one kind of the invention Passed through for the air-tightness detection device of pipeline by inputting air-flow, while the air pressure of signal piping output gas flow into pipeline Compare input air-flow and output gas flow air pressure can effectively judge pipeline whether gas leakage, the apparatus structure is simple, can facilitate Efficiently the air-tightness of pipeline is detected, detection efficiency is high.
Detailed description of the invention
Accompanying drawing 1 is the structural representation of the present invention.
Wherein: 1, device noumenon;2, gas transmission unit;21, first connecting portion;22, transfer port;3, return-air unit;31, second Interconnecting piece;32, return-air hole;4, air pressure display unit;5, regulation component;6, start button.
Specific embodiment
The technical solution of the present invention will be further described below with reference to the accompanying drawings.
It is shown in Figure 1, a kind of air-tightness detection device for pipeline comprising device noumenon 1 is opened in device sheet It is the air inlet (not shown) for being connected to external air source on body 1, defeated for output gas flow in device noumenon 1 Gas unit 2, the return-air unit 3 for recovery air-flow, the baroceptor at return-air unit 3 in device noumenon 1 (not shown), pipeline both ends are connected with gas transmission unit 2 and return-air unit 3 respectively.Here, gas transmission unit 2 includes being used for The first connecting portion 21 being connect with pipe ends, several transfer ports 22 being opened in first connecting portion 21, first connecting portion 21 It is rounded, circumferentially-spaced arrangement of several transfer ports 22 around first connecting portion 21.Return-air unit 3 includes being used for and pipe ends The second connecting portion 31 of connection, several return-air holes 32 being opened in second connecting portion 31, second connecting portion 31 is rounded, several Circumferentially-spaced arrangement of the return-air hole 32 around second connecting portion 31.
Herein, by inputting air-flow, while the air pressure of signal piping output gas flow into pipeline, by comparing input gas Stream and output gas flow air pressure can effectively judge pipeline whether gas leakage, the structure of the detecting device is simple, can be conveniently The air-tightness of pipeline is detected, detection efficiency is high.
In the present embodiment, the detection device further include at the gas transmission unit 2 for control gas transmission unit 2 open or The control valve (not shown) of closing, the control valve are solenoid valve.Herein, which is the double automatically controlled middle envelopes of two-bit triplet Formula solenoid valve.Here, which further includes start button 6, presses start button 6, is blown by solenoid valve into pipeline Stop after 3s, keep 10s, the signal of the output pressure detected by baroceptor judges the air-tightness of pipeline.
The detection device further includes the air pressure display unit 4 set on 1 outside portion of device noumenon, air pressure display unit 4 and gas Pressure sensor is electrically connected.By air pressure display unit 4, the air pressure letter for intuitively observing that baroceptor detects can be understood Number.
Detection device further includes the pressure regulation of the air pressure for adjusting 2 output gas flow of gas transmission unit in device noumenon 1 Component 5.The detection air pressure of output can be adjusted as needed by the setting of regulation component 5.Here, which is to adjust Pressure meter.
Illustrate the course of work of lower the present embodiment in detail below: by pipeline both ends respectively with gas transmission unit 2 and return-air unit 3 Connection adjusts regulation component 5, selects suitable detection air pressure, then presses start button 6, blown by solenoid valve into pipeline Stopping after gas 3s, keeps 10s, baroceptor can be shown in air pressure in real-time pipeline on air pressure display unit 4 at this time, according to Air pressure display unit 4 show data can determine whether pipeline whether gas leakage.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.

Claims (9)

1. a kind of air-tightness detection device for pipeline, it is characterised in that: it includes device noumenon (1), is opened in the dress It sets the air inlet for being connected to external air source on ontology (1), be used for the defeated of output gas flow on described device ontology (1) Gas unit (2), be set on described device ontology (1) for the return-air unit (3) of recovery air-flow, set on the return-air unit (3) baroceptor at, the pipeline both ends are connected with the gas transmission unit (2) and the return-air unit (3) respectively.
2. a kind of air-tightness detection device for pipeline according to claim 1, it is characterised in that: the gas transmission unit (2) include first connecting portion (21) for being connect with the pipe ends, be opened in the first connecting portion (21) if on Dry transfer port (22).
3. a kind of air-tightness detection device for pipeline according to claim 2, it is characterised in that: first connection Portion (21) is rounded, circumferentially-spaced arrangement of several transfer ports (22) around the first connecting portion (21).
4. a kind of air-tightness detection device for pipeline according to claim 1, it is characterised in that: the return-air unit (3) include second connecting portion (31) for being connect with the pipe ends, be opened in the second connecting portion (31) if on Dry return-air hole (32).
5. a kind of air-tightness detection device for pipeline according to claim 4, it is characterised in that: second connection Portion (31) is rounded, circumferentially-spaced arrangement of several return-air holes (32) around the second connecting portion (31).
6. a kind of air-tightness detection device for pipeline according to claim 1, it is characterised in that: the detection device It further include at the gas transmission unit (2) for controlling the control valve that the gas transmission unit (2) opens or closes.
7. a kind of air-tightness detection device for pipeline according to claim 6, it is characterised in that: the control valve is Solenoid valve.
8. a kind of air-tightness detection device for pipeline according to claim 1, it is characterised in that: the detection device It further include the air pressure display unit (4) set on described device ontology (1) outside portion, the air pressure display unit (4) and the gas Pressure sensor is electrically connected.
9. a kind of air-tightness detection device for pipeline according to claim 1, it is characterised in that: the detection device It further include the regulation component of the air pressure for adjusting gas transmission unit (2) output gas flow on described device ontology (1) (5).
CN201811524600.2A 2018-12-13 2018-12-13 A kind of air-tightness detection device for pipeline Pending CN109406071A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201811524600.2A CN109406071A (en) 2018-12-13 2018-12-13 A kind of air-tightness detection device for pipeline
PCT/CN2019/083004 WO2020118996A1 (en) 2018-12-13 2019-04-17 Air-tightness detection device for pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811524600.2A CN109406071A (en) 2018-12-13 2018-12-13 A kind of air-tightness detection device for pipeline

Publications (1)

Publication Number Publication Date
CN109406071A true CN109406071A (en) 2019-03-01

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Application Number Title Priority Date Filing Date
CN201811524600.2A Pending CN109406071A (en) 2018-12-13 2018-12-13 A kind of air-tightness detection device for pipeline

Country Status (2)

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CN (1) CN109406071A (en)
WO (1) WO2020118996A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
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CN110542813A (en) * 2019-09-03 2019-12-06 深圳市久阳机械设备有限公司 Safe type aging testing constant temperature machine
WO2020118996A1 (en) * 2018-12-13 2020-06-18 张家港中天精密模塑有限公司 Air-tightness detection device for pipeline

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CN109406071A (en) * 2018-12-13 2019-03-01 张家港中天精密模塑有限公司 A kind of air-tightness detection device for pipeline

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DE102012002643A1 (en) * 2012-02-08 2013-08-08 Stefan Raßmann Measuring device for detection of leakages in gas and liquid gas pipelines for delivering medium, has pyroelectric sensor, pressure sensor, hydrophone and odometer wheel generating data, which provides predication about leakage tightness
CN105651470A (en) * 2016-03-14 2016-06-08 重庆亿铸机械制造有限公司 Noise elimination tube air tightness detection mechanism
CN207263402U (en) * 2017-09-29 2018-04-20 驻马店中集华骏铸造有限公司 Wheel hub air-tightness detection device
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020118996A1 (en) * 2018-12-13 2020-06-18 张家港中天精密模塑有限公司 Air-tightness detection device for pipeline
CN110542813A (en) * 2019-09-03 2019-12-06 深圳市久阳机械设备有限公司 Safe type aging testing constant temperature machine
CN110542813B (en) * 2019-09-03 2021-12-03 深圳市久阳机械设备有限公司 Safe type aging testing constant temperature machine

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