CN104390750B - Air circulating leak detecting device - Google Patents
Air circulating leak detecting device Download PDFInfo
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- CN104390750B CN104390750B CN201410654424.XA CN201410654424A CN104390750B CN 104390750 B CN104390750 B CN 104390750B CN 201410654424 A CN201410654424 A CN 201410654424A CN 104390750 B CN104390750 B CN 104390750B
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- air
- gas
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- detection
- gas path
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- 238000001514 detection method Methods 0.000 claims abstract description 59
- 238000003780 insertion Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 109
- 238000007789 sealing Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 238000007689 inspection Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007906 compression Methods 0.000 description 1
- 231100000078 corrosive Toxicity 0.000 description 1
- 231100001010 corrosive Toxicity 0.000 description 1
- 230000000087 stabilizing Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Abstract
The invention relates to an air circulating leak detecting device. The air circulating leak detecting device is connected to an air circuit valve and an air circuit pipeline in an air circuit system; the device comprises a housing and an air compressor; a voltage-stabilized power module, and a first detection air circuit module and a second detection air circuit module both for displaying total air pressure are arranged in the housing; the voltage-stabilized power module is connected with the first detection air circuit module and the second detection air circuit module, respectively, and also connected with the air circuit valve in the air circuit system to detect whether the air circuit valve in the air circuit system works normally; one end of the first detection air circuit module is connected with the air compressor, while the other end of the first detection air circuit module is connected with the air circuit pipeline in the air circuit system; one end of the second detection air circuit module is connected with the first detection air circuit module, while the other end of the second detection air circuit module is connected to the air circuit pipeline in the air circuit system; the first detection air circuit module and the second detection air circuit module are capable of outputting compressed air different in pressure. Compared with the prior art, the air circulating leak detecting device has the advantages of simple structure, convenience for use, good universality and the like.
Description
Technical field
The present invention relates to gas permeation detection technique field, more particularly, to a kind of gas circular leak hunting device.
Background technology
Air-channel system is mainly used in process high-pure gas, or the control device of toxic gas and corrosive gas, is
The real air-channel system for laboratory.At present, various equipment can be using to air-channel system, particularly gas circuit pipeline, gas circuit
The use of valve body is a lot.Therefore, gas circuit pipeline is detected, whether gas leakage is particularly significant for gas circuit valve body, existing detection method is simple, inspection
Survey apparatus structure is single, and automaticity is low so that detection not enough facilitates and comprehensive.
The content of the invention
The purpose of the present invention is exactly the defect in order to overcome above-mentioned prior art to exist and provides a kind of simple structure, uses
Convenient, the gas circular leak hunting device of highly versatile.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of gas circular leak hunting device, connects the gentle road pipeline of gas circuit valve body in air-channel system, and the device includes casing
And air compressor, power module of voltage regulation is provided with the casing, the first detection gas path module and the of total air pressure is shown
Two detection gas path modules, the power module of voltage regulation connects respectively the first detection gas path module and the second detection gas path module, and
Gas circuit valve body in connection air-channel system, detects gas circuit valve body in air-channel system whether normal work, the first detection gas
Road module one end connects air compressor, the gas path pipe in other end connection air-channel system, the second detection gas path module
One end connection first detects gas path module, the gas path pipe in other end connection air-channel system, the first detection gas path module and the
The compressed airs of the different pressure of two detection gas path modules outputs, the whether gas leakage of the gas path pipe in the different air-channel systems of detection.
The air compressor is provided with air accumulator.
The power module of voltage regulation adopts AC-DC converter.
The first detection gas path module shows including the first pipeline, the first electromagnetic valve, the second electromagnetic valve and air pressure
Instrument, the first pipeline two ends connect respectively the gas path pipe in air compressor and air-channel system, first electromagnetic valve,
Air pressure display instrument and the second electromagnetic valve are sequentially arranged on the first pipeline, and described second detects gas path module and the first electromagnetism
The first pipeline insertion connection between valve and the second electromagnetic valve.
The second detection gas path module includes the second pipeline, pressure maintaining valve and the 3rd electromagnetic valve, the second pipeline two ends
Connection first respectively detects gas path module and the gas path pipe in air-channel system, and the pressure maintaining valve and the 3rd electromagnetic valve are sequentially arranged in
On second pipeline, pressure maintaining valve changes the pressure of the compressed air that the second pipeline is entered by the first detection gas path module.
Timing module is additionally provided with the casing, the timing module connects power module of voltage regulation.
The timing module includes the time relay, buzzer and timing SR, and the time relay connects respectively
Connect power module of voltage regulation, buzzer and timing SR.
The air compressor exports 0.4MPa compressed airs, and the first detection gas path module output 0.4MPa compressions are empty
Gas, the second detection gas path module output 0.2MPa compressed airs.
Compared with prior art, the present invention has advantages below：
1) present invention has environmental protection and economy benefit, uses the air compressor with air accumulator as compressed gas source, Ke Yilian
The continuous uninterrupted compressed air that steady pressure is provided, it is relatively convenient, economical using bottled standard source of the gas, source of the gas be alternatively arranged as valve body and
Miscellaneous part dedusting, drying etc. need to be used using where source of the gas；
2) present invention realizes gas circular leak hunting technology, is provided with total air pressure display instrument and shows input air pressure (pressure
Power is adjustable as needed), when pipeline liquid injecting device is tested, there is provided dwell pressure shows, the sealing of product pipeline liquid injecting device is carried out
Test；
3) present invention realizes control time automatization, and by the time relay pressing time of detection closing pipe line is controlled,
Time has auditory tone cueses to after, is additionally provided with time SR, and when needs restart test, can reset at any time timing time,
Test is recirculated, while the sealing of valve body and pipeline can be determined to the timing of the valve body of assembling and the performing leak test of pipeline
Well；
4) present invention not only can detect that also the gas circuit valve body to being installed on gas path pipe is carried out to gas path pipe
Detection, is provided with the output of DC24V power supplys, can power to gas circuit valve body when the air-channel system containing DC24V gas circuit valve bodies is tested,
Test gas circuit pipeline sealing, and the seal and the quality of gas circuit valve body of gas circuit valve body；
5) versatility of the present invention, practical, while exporting the compressed air of two kinds of pressure of 0.2MPa and 0.4MPa, can use
In the different devices of test, component and pipeline liquid injecting device.
Description of the drawings
Fig. 1 is apparatus of the present invention structural representation；
Fig. 2 is the front panel schematic diagram of casing in the present invention；
Fig. 3 is the rear board schematic diagram of casing in the present invention.
In figure：1-1, air input switch, 1-2, air pressure display instrument, 1-3, second gas output switch, 1-4,
First gas output switch, 1-5, direct current output interface, 1-6, the time relay, 1-7, timing SR, 1-8, the first gas
Body output interface, 1-9, second gas output interface, 1-10, gas input interface, 1-11, on and off switch, 1-12, power supply connect
Mouthful, 2-1, AC-DC converter, 2-2, the first electromagnetic valve, 2-3, the second electromagnetic valve, 2-4, the 3rd electromagnetic valve, 2-5, pressure maintaining valve, 2-
6th, buzzer, 3, air compressor, 4, air-channel system.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is described in detail with specific embodiment.The present embodiment is with technical solution of the present invention
Premised on implemented, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to
Following embodiments.
As shown in figure 1, a kind of gas circular leak hunting device, connects the gentle road pipeline of gas circuit valve body in air-channel system 4, the dress
Put including casing and air compressor 3, power module of voltage regulation is provided with casing, the first detection gas circuit mould of total air pressure is shown
Block and the second detection gas path module, power module of voltage regulation connects respectively the first detection gas path module and the two or two detection gas circuit mould
Block, is powered, the gas circuit valve body being also connected with air-channel system 4, detects the whether normal work of gas circuit valve body in air-channel system 4
Make, first detection gas path module one end connection air compressor 3, the gas path pipe in other end connection air-channel system 4, the second inspection
Survey gas path module one end connection first and detect gas path module, the gas path pipe in other end connection air-channel system 4, control first is examined
Survey the compressed air of gas path module and the second detection gas path module different pressure of output, the gas circuit in the different air-channel systems 4 of detection
Pipeline whether gas leakage.
Wherein, the first detection gas path module includes the first pipeline, the first electromagnetic valve 2-2, the second electromagnetic valve 2-3 and air pressure
Power display instrument 1-2, the first pipeline two ends connect respectively the gas path pipe in air compressor 3 and air-channel system 4, the first electromagnetism
Valve 2-2, air pressure display instrument 1-2 and the second electromagnetic valve 2-3 are sequentially arranged on the first pipeline, second detection gas path module with
The first pipeline insertion connection between first electromagnetic valve 2-2 and the second electromagnetic valve 2-3.Air pressure display instrument 1-2 shows defeated
Enter air pressure (pressure is adjustable as needed)；When pipeline liquid injecting device is tested, there is provided dwell pressure shows, to product pipeline liquid injecting device
Sealing tested.
Second detection gas path module includes the second pipeline, pressure maintaining valve 2-5 and the 3rd electromagnetic valve 2-4, the second pipeline two ends point
Gas path pipe that Lian Jie be in the first detection gas path module and air-channel system 4, pressure maintaining valve 2-5 and the 3rd electromagnetic valve 2-4 sets successively
On the second pipeline, pressure maintaining valve 2-5 changes the pressure of the compressed air that the second pipeline is entered by the first detection gas path module.
Air compressor 3 is provided with air accumulator, and used as compressed gas source, the compression that continuously can uninterruptedly provide steady pressure is empty
Gas, relatively convenient, economical using bottled standard source of the gas, source of the gas is alternatively arranged as valve body and miscellaneous part dedusting, drying etc. to be needed to use
Use where source of the gas.
Power module of voltage regulation adopts AC-DC converter 2-1.
Timing module, timing module connection power module of voltage regulation are additionally provided with casing.Timing module includes the time relay
1-6, buzzer 2-6 and timing SR 1-7, time relay 1-6 connect respectively power module of voltage regulation, buzzer 2-6 Hes
Timing SR 1-7.Time relay 1-6 by assemble gas circuit valve body and gas circuit pipeline performing leak test carry out based on
When, if air pressure is constant in certain hour, determine the good seal of gas circuit valve body and gas circuit pipeline.Buzzer 2-6 realizes control inspection
The pressing time of closing pipe line is surveyed, the time there are auditory tone cueses to after.Timing SR 1-7 is needed on the front panel of casing
When restarting test, can reset at any time timing time, recirculate test.
The output 0.4MPa compressed airs of air compressor 3, the first detection gas path module output 0.4MPa compressed airs, second
Detection gas path module output 0.2MPa compressed airs.
As shown in Fig. 2 the front panel of casing is provided with air input switch 1-1, the table of air pressure display instrument 1-2
Head, first gas output switch 1-4, second gas output switch 1-3, direct current output interface 1-5, the time relay 1-6 devices
Display screen, first gas output interface 1-8, second gas output interface 1-9 and gas input interface 1-10, gas input interface
1-10 is the input of the first pipeline, and air input switch 1-1 connections control the first electromagnetic valve 2-2, first gas output switch
1-4 connection the second electromagnetic valve 2-3 of control, second gas output switch 1-3 connection the 3rd electromagnetic valve 2-4 of control, first gas are defeated
Outgoing interface 1-8 is the outfan of the first pipeline, and second gas output interface 1-9 is the outfan of the second pipeline, and direct current output connects
Mouthful 1-5 be for connecting air-channel system 4 in electromagnetic valve AC-DC converter 2-1 outfan, export DC24V, can contain in test
During the air-channel system 4 of DC24V gas circuit valve bodies, power to gas circuit valve body, test gas circuit pipeline sealing, and gas circuit valve body is close
Closing property, whether normal work.
As shown in figure 3, the rear board of casing is provided with and off switch 1-11 and power interface 1-12, on and off switch 1-11 controls
Power interface 1-12 processed powers to AC-DC converter 2-1.
The course of work of the device is：
1) first by 0.4MPa compressed air sources and AC220V plant-grid connections, AC220V power supplys pass through AC-DC converter 2-1
DC24V DC sources are converted into, are powered to time relay 1-6, while powering to the gas circuit valve body in air-channel system 4；
2) the first electromagnetic valve 2-2 conductings are controlled by the air input switch 1-1 of front panel, is opened by second gas output
Close 1-3 and control the 3rd electromagnetic valve 2-4 output 0.2MPa compressed airs, or second is controlled by first gas output switch 1-4
Electromagnetic valve 2-3 exports 0.4MPa compressed airs, wherein, pressure maintaining valve 2-5 exports the voltage stabilizing of 0.4MPa air pressure in 0.2MPa；
3) air-channel system 4 is pressurizeed, the time parameter of time relay 1-6, time relay 1-6 now can be set
Control buzzer 2-6, controls the pressing time of the gas circuit pipeline of closing in air-channel system 4；
4) the first electromagnetic valve 2-2 is closed after pressurizeing, after a period of time, air pressure display instrument 1-2 display pipes pressure
Do not reduce, then whole pipeline sealing is good.The time of leak test can be recorded by relay 1-6 observing time.
Claims (6)
1. a kind of gas circular leak hunting device, connects the gentle road pipeline of gas circuit valve body in air-channel system, it is characterised in that the device
Including casing and air compressor, power module of voltage regulation is provided with the casing, the first detection gas circuit of total air pressure is shown
Module and the second detection gas path module, the power module of voltage regulation connects respectively the first detection gas path module and the second detection gas circuit
Module, and connect the gas circuit valve body in air-channel system, detects gas circuit valve body in air-channel system whether normal work, described first
Detection gas path module one end connection air compressor, the gas path pipe in other end connection air-channel system, the second detection gas
Road module one end connection first detects gas path module, the gas path pipe in other end connection air-channel system, the first detection gas circuit mould
Whether the compressed air of block and the different pressure of the second detection gas path module output, the gas path pipe in the different air-channel systems of detection leaks
Gas；
The first detection gas path module includes the first pipeline, the first electromagnetic valve, the second electromagnetic valve and air pressure display instrument,
The first pipeline two ends connect respectively the gas path pipe in air compressor and air-channel system, first electromagnetic valve, air
Pressure display instrument table and the second electromagnetic valve are sequentially arranged on the first pipeline, second detection gas path module and first electromagnetic valve and
The first pipeline insertion connection between second electromagnetic valve；
The second detection gas path module includes the second pipeline, pressure maintaining valve and the 3rd electromagnetic valve, the second pipeline two ends difference
Connection first detects gas path module and the gas path pipe in air-channel system, and the pressure maintaining valve and the 3rd electromagnetic valve are sequentially arranged in second
On pipeline, pressure maintaining valve changes the pressure of the compressed air that the second pipeline is entered by the first detection gas path module.
2. a kind of gas circular leak hunting device according to claim 1, it is characterised in that the air compressor is provided with gas storage
Tank.
3. a kind of gas circular leak hunting device according to claim 1, it is characterised in that the power module of voltage regulation is adopted
AC-DC converter.
4. a kind of gas circular leak hunting device according to claim 1, it is characterised in that timing mould is additionally provided with the casing
Block, the timing module connects power module of voltage regulation.
5. a kind of gas circular leak hunting device according to claim 4, it is characterised in that the timing module include the time after
Electrical equipment, buzzer and timing SR, the time relay connects respectively power module of voltage regulation, buzzer and timing and resets
Button.
6. a kind of gas circular leak hunting device according to claim 1, it is characterised in that the air compressor output
0.4MPa compressed airs, the first detection gas path module output 0.4MPa compressed airs, the second detection gas path module is defeated
Go out 0.2MPa compressed airs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410654424.XA CN104390750B (en) | 2014-11-17 | 2014-11-17 | Air circulating leak detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410654424.XA CN104390750B (en) | 2014-11-17 | 2014-11-17 | Air circulating leak detecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104390750A CN104390750A (en) | 2015-03-04 |
| CN104390750B true CN104390750B (en) | 2017-05-10 |
Family
ID=52608683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410654424.XA Active CN104390750B (en) | 2014-11-17 | 2014-11-17 | Air circulating leak detecting device |
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| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201141798Y (en) * | 2007-12-31 | 2008-10-29 | 席兴中 | Gas leakage tester |
| CN201532292U (en) * | 2009-09-11 | 2010-07-21 | 彭光正 | Pneumatic circuit of multifunctional gas-tightness detector |
| CN202066654U (en) * | 2011-05-09 | 2011-12-07 | 深圳市大族激光科技股份有限公司 | Air-tightness measurement device |
| CN202720101U (en) * | 2012-08-15 | 2013-02-06 | 新乡平原航空技术工程有限公司 | Pipeline gas tightness detection apparatus |
| CN204228359U (en) * | 2014-11-17 | 2015-03-25 | 上海欣影电力科技股份有限公司 | A kind of gas circular leak hunting device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6851316B2 (en) * | 2003-01-27 | 2005-02-08 | The Boc Group, Inc. | Apparatus and method for recovery and recycle of tracer gas from leak testing process with randomly varying demand |
| JP2004251798A (en) * | 2003-02-21 | 2004-09-09 | Hitachi Industries Co Ltd | High pressure air leakage detection method |
-
2014
- 2014-11-17 CN CN201410654424.XA patent/CN104390750B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201141798Y (en) * | 2007-12-31 | 2008-10-29 | 席兴中 | Gas leakage tester |
| CN201532292U (en) * | 2009-09-11 | 2010-07-21 | 彭光正 | Pneumatic circuit of multifunctional gas-tightness detector |
| CN202066654U (en) * | 2011-05-09 | 2011-12-07 | 深圳市大族激光科技股份有限公司 | Air-tightness measurement device |
| CN202720101U (en) * | 2012-08-15 | 2013-02-06 | 新乡平原航空技术工程有限公司 | Pipeline gas tightness detection apparatus |
| CN204228359U (en) * | 2014-11-17 | 2015-03-25 | 上海欣影电力科技股份有限公司 | A kind of gas circular leak hunting device |
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| Publication number | Publication date |
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| CN104390750A (en) | 2015-03-04 |
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