CN202720101U - Pipeline gas tightness detection apparatus - Google Patents
Pipeline gas tightness detection apparatus Download PDFInfo
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- CN202720101U CN202720101U CN 201220403967 CN201220403967U CN202720101U CN 202720101 U CN202720101 U CN 202720101U CN 201220403967 CN201220403967 CN 201220403967 CN 201220403967 U CN201220403967 U CN 201220403967U CN 202720101 U CN202720101 U CN 202720101U
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- booster pump
- pneumatic booster
- supercharging
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Abstract
The utility model relates to a pipeline gas tightness detection apparatus. The apparatus comprises a gas cylinder and a inflatable gas path which is connected with the gas cylinder. The inflatable gas path comprises a gas tube. A one-way valve, an air filler valve which controls conduction/closure of the gas tube, a filter and an air supply pressure gauge are successively arranged on the gas tube along an inflatable direction. The detection apparatus also comprises a pressurization gas path. The pressurization gas path comprises a pressurization trachea. A switch valve and a pneumatic booster pump are successively arranged on the pressurization gas path along the inflatable direction. An air outlet terminal of the pressurization gas path is communicated with the gas tube between the air filler valve and the filter, an air inlet terminal is communicated with the gas tube between the air filler valve and the one-way valve. The pneumatic booster pump is provided with a driving gas path which is used to be connected with a corresponding aerodynamic gas source. According to the apparatus of the utility model, through driving the pneumatic booster pump, the gas in the gas cylinder is compressed and then is provided for the pipeline to be measured. A supplied pressure is high and a flow is large. The prior art, the supplied pressure of the detection apparatus is low and the flow is small. By using the apparatus of the utility model, the above problems are solved.
Description
Technical field
The utility model relates to a kind of device for detecting air tightness of pipeline.
Background technology
Aircraft oxygen system pipeline impermeability is a parameter of aircraft, if the bad meeting of impermeability causes pilot's anoxic, make and have a strong impact on flight safety, easily cause the air crash accident, therefore, detect most important to aircraft oxygen pipeline impermeability, existing device for detecting air tightness of pipeline generally comprises nitrogen cylinder and inflation gas circuit, has charging valve, filtrator, safety valve and supply gas pressure table along the retaining valve that prevents the gas backstreaming gas cylinder that sets gradually of inflation direction, the conducting of control inflation gas circuit/close in the inflation gas circuit.This device for detecting air tightness of pipeline is filled with gas atmosphere to pipeline to be measured and is determined by gas cylinder air pressure, the problem low for pressure pressure, that gas flow is little often occurs, and poor reliability is unfavorable for bubble-tight detection.
Summary of the invention
The purpose of this utility model is to provide a kind of device for detecting air tightness of pipeline, to solve the problem that pressure pressure is low, gas flow is little that supplies that exists in the prior art.
In order to address the above problem, a kind of device for detecting air tightness of pipeline of the present utility model, comprise gas cylinder and the inflation gas circuit that links to each other with gas cylinder, this inflation gas circuit comprises gas-filled tube, on described gas-filled tube, be provided with successively retaining valve along the inflation direction, the charging valve of control gas-filled tube conducting/close, filtrator and supply gas pressure table, this pick-up unit also comprises the supercharging gas circuit, the supercharging gas circuit comprises the supercharging tracheae, on this supercharging tracheae, be provided with successively switch valve along the inflation direction, Pneumatic booster pump, the outlet side of this supercharging tracheae is communicated with described gas-filled tube between described charging valve and the filtrator and its inlet end is communicated with described gas-filled tube between described charging valve and the retaining valve, and this Pneumatic booster pump is provided with the driving gas circuit that links to each other for the respective air power gas source.
Described switch valve is provided with tensimeter before pump front filter and the pump away from a side supercharging tracheae of described Pneumatic booster pump.
Be provided with successively pressure switch, safety valve, throttling valve, air release on the described gas-filled tube of described filtrator away from described Pneumatic booster pump one side.
Described driving gas circuit comprises the driving tracheae, sets gradually tensimeter, flow control valve, filtrator, reduction valve and pump inlet tensimeter along air-flow direction on this driving tracheae.
The utility model is when test pipeline impermeability, elder generation's closing switch valve, open charging valve, treat the voltage supply of test tube road by gas cylinder, then close charging valve and open switch valve, to drive gas circuit is communicated with air power source, by driving Pneumatic booster pump, will supply with pipeline to be measured behind the gas compression in the gas cylinder, the confession pressure pressure is high, flow is large, so that be full of fast gases at high pressure in the pipeline to be measured, solved the problem that pick-up unit is low for pressure pressure in the prior art, flow is little.
Description of drawings
Fig. 1 is the system diagram of pick-up unit among the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing the utility model embodiment is described in detail:
A kind of embodiment of device for detecting air tightness of pipeline, as shown in Figure 1, comprise six gas cylinders 1 and the inflation gas circuit that links to each other with gas cylinder 1, gas cylinder is nitrogen cylinder, comprise gas-filled tube on this inflation gas circuit, on gas-filled tube, be provided with successively retaining valve 3 along the inflation direction, charging valve 14 and the filtrator 15 of control inflation gas circuit conducting/close, pressure switch 16, safety valve 17, throttling valve 18, air release 19 and supply gas pressure table 20, this pick-up unit also comprises the supercharging gas circuit, the supercharging gas circuit comprises the supercharging tracheae, tensimeter 4 before edge inflation direction is provided with pump successively on this supercharging tracheae, pump front filter 5, switch valve 10, Pneumatic booster pump 13, the outlet side of this supercharging tracheae is communicated with gas-filled tube between charging valve 14 and the filtrator 15 and its inlet end is communicated with described gas-filled tube between charging valve 14 and the retaining valve 3, this Pneumatic booster pump 13 is provided with the driving gas circuit that links to each other for the respective air power gas source, drive gas circuit and comprise the driving tracheae, on this driving tracheae, set gradually tensimeter 6 along air-flow direction, flow control valve 7, one-level coarse filtration filtrator 8, the secondary essence filters filter 9, reduction valve 11 and pump inlet tensimeter 12, guarantee the cleanliness of the air of driving Pneumatic booster pump, the gas-filled tube that joins with gas cylinder and pipeline to be measured is respectively flexible pipe 2 and flexible pipe 21.
The present embodiment is when test pipeline impermeability, elder generation's closing switch valve 10, open charging valve 14, nitrogen in the nitrogen cylinder is after the filtration of filtrator 15, through pressure switch 16, safety valve 17, throttling valve 18 enters pipeline to be measured, this process is gravity flow voltage supply process, then close charging valve 14 and open switch valve 10, to drive gas circuit is communicated with air power source, by driving Pneumatic booster pump 13, gas in the gas cylinder 1 is supplied with pipeline to be measured through overcompression, then close charging valve 14, air release 19 and switch valve 10 change by observing the supply gas pressure table, judge whether pipeline leaks gas, this device is high for pressure pressure, gas flow is large, so that be full of fast gases at high pressure in the pipeline to be measured.
In other embodiment of the present utility model, different from above-described embodiment is that described nitrogen cylinder can also replace with the pressure-air gas cylinder.
The impermeability that this device is used for the aircraft oxygen pipeline detects, and the impermeability that also can be used for other pipelines detects, such as fluid pressure line, brake line of automobile, CNG fuel system pipeline etc.
Claims (4)
1. device for detecting air tightness of pipeline, comprise gas cylinder and the inflation gas circuit that links to each other with gas cylinder, this inflation gas circuit comprises gas-filled tube, on described gas-filled tube, be provided with successively retaining valve along the inflation direction, the charging valve of control gas-filled tube conducting/close, filtrator and supply gas pressure table, it is characterized in that: this pick-up unit also comprises the supercharging gas circuit, the supercharging gas circuit comprises the supercharging tracheae, on this supercharging tracheae, be provided with successively switch valve along the inflation direction, Pneumatic booster pump, the outlet side of this supercharging tracheae is communicated with described gas-filled tube between described charging valve and the filtrator and its inlet end is communicated with described gas-filled tube between described charging valve and the retaining valve, and this Pneumatic booster pump is provided with the driving gas circuit that links to each other for the respective air power gas source.
2. a kind of device for detecting air tightness of pipeline according to claim 1 is characterized in that: described switch valve is provided with tensimeter before pump front filter and the pump away from a side supercharging tracheae of described Pneumatic booster pump.
3. a kind of device for detecting air tightness of pipeline according to claim 1 and 2 is characterized in that: be provided with successively pressure switch, safety valve, throttling valve, air release on the described gas-filled tube of described filtrator away from described Pneumatic booster pump one side.
4. a kind of device for detecting air tightness of pipeline according to claim 1, it is characterized in that: described driving gas circuit comprises the driving tracheae, sets gradually tensimeter, flow control valve, filtrator, reduction valve and pump inlet tensimeter along air-flow direction on this driving tracheae.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220403967 CN202720101U (en) | 2012-08-15 | 2012-08-15 | Pipeline gas tightness detection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220403967 CN202720101U (en) | 2012-08-15 | 2012-08-15 | Pipeline gas tightness detection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202720101U true CN202720101U (en) | 2013-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220403967 Expired - Fee Related CN202720101U (en) | 2012-08-15 | 2012-08-15 | Pipeline gas tightness detection apparatus |
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| CN (1) | CN202720101U (en) |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104165735A (en) * | 2014-06-16 | 2014-11-26 | 浙江工业大学 | Complete equipment for airtightness test of gas cylinder |
| CN104390750A (en) * | 2014-11-17 | 2015-03-04 | 上海欣影电力科技股份有限公司 | Air circulating leak detecting device |
| CN104458160A (en) * | 2013-09-22 | 2015-03-25 | 珠海格力电器股份有限公司 | Pipeline piece pressure testing system and pressure testing method thereof |
| CN104515655A (en) * | 2013-09-29 | 2015-04-15 | 天津台信检测技术有限公司 | Engine part and whole engine airtightness detection platform |
| CN104748985A (en) * | 2014-12-09 | 2015-07-01 | 青岛海能阿尔派轨道电力设备工程科技有限公司 | Compressed air pipeline for gas tight test comprehensive experiment table |
| CN104748923A (en) * | 2014-09-29 | 2015-07-01 | 浙江吉利控股集团有限公司 | Gas tightness detection and nitrogen gas replacement system of dual-fuel automobile and controlling method thereof |
| CN107525638A (en) * | 2017-08-23 | 2017-12-29 | 凯迈（洛阳）气源有限公司 | A kind of air-tightness detection device |
| CN107917798A (en) * | 2017-11-08 | 2018-04-17 | 燕山大学 | The test system and test method of pneumatic proportional pressure valve |
| CN107941622A (en) * | 2017-11-23 | 2018-04-20 | 中国核工业第五建设有限公司 | AP1000 main control rooms are met an urgent need residence system pressure pilot system and method |
| CN108181055A (en) * | 2018-02-08 | 2018-06-19 | 亚达管道系统股份有限公司 | The airtight testing stand of high pressure and its airtight test technology of high pressure |
| CN109238588A (en) * | 2018-07-26 | 2019-01-18 | 武汉聚合信环保科技有限公司 | Detection method for gas tightness of gas flow channel, gas passive sampling method and passive sampling device |
| CN109738136A (en) * | 2019-03-07 | 2019-05-10 | 北京亿华通科技股份有限公司 | Automatic gas density test system |
| CN110005949A (en) * | 2019-04-22 | 2019-07-12 | 中国科学院武汉病毒研究所 | Automatic air-compensating type air gas-tight door and airtight door control method |
| CN110486629A (en) * | 2019-08-15 | 2019-11-22 | 上海中船三井造船柴油机有限公司 | Air-tightness detection device and method for double fuel host gas pipeline |
| CN110646181A (en) * | 2019-08-30 | 2020-01-03 | 广州文冲船厂有限责任公司 | Test method and test device for testing strength of LNG pipeline system |
| CN111043525A (en) * | 2019-10-25 | 2020-04-21 | 江西洪都航空工业集团有限责任公司 | Gas circuit test box of integrated form |
| CN112525443A (en) * | 2020-12-07 | 2021-03-19 | 格力电器（武汉）有限公司 | Pressure maintaining testing device |
| CN113899397A (en) * | 2021-09-18 | 2022-01-07 | 深圳市宏智智能装备有限公司 | Natural gasification pipeline testing method for intelligent micro-pipe network ecological chain |
| CN113899399A (en) * | 2021-09-18 | 2022-01-07 | 深圳市宏智智能装备有限公司 | High-voltage regulator testing method for intelligent micro-pipe network ecological chain |
| CN113916464A (en) * | 2021-09-30 | 2022-01-11 | 广东利元亨智能装备股份有限公司 | Method for detecting gas leakage of electric pile, method for detecting external leakage and method for detecting gas tightness of electric pile |
| CN114235301A (en) * | 2021-11-09 | 2022-03-25 | 上海贤日测控科技有限公司 | Air tightness detection system and method thereof |
-
2012
- 2012-08-15 CN CN 201220403967 patent/CN202720101U/en not_active Expired - Fee Related
Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104458160B (en) * | 2013-09-22 | 2018-01-23 | 珠海格力电器股份有限公司 | Pipeline piece pressure testing system and pressure testing method thereof |
| CN104458160A (en) * | 2013-09-22 | 2015-03-25 | 珠海格力电器股份有限公司 | Pipeline piece pressure testing system and pressure testing method thereof |
| CN104515655A (en) * | 2013-09-29 | 2015-04-15 | 天津台信检测技术有限公司 | Engine part and whole engine airtightness detection platform |
| CN104165735B (en) * | 2014-06-16 | 2016-12-07 | 浙江工业大学 | A kind of gas cylinder air-tight test complexes |
| CN104165735A (en) * | 2014-06-16 | 2014-11-26 | 浙江工业大学 | Complete equipment for airtightness test of gas cylinder |
| CN104748923A (en) * | 2014-09-29 | 2015-07-01 | 浙江吉利控股集团有限公司 | Gas tightness detection and nitrogen gas replacement system of dual-fuel automobile and controlling method thereof |
| CN104748923B (en) * | 2014-09-29 | 2017-05-31 | 浙江吉利控股集团有限公司 | The air-leakage test and nitrogen displacement system and its control method of dual-fuel automobile |
| CN104390750B (en) * | 2014-11-17 | 2017-05-10 | 上海欣影电力科技股份有限公司 | Air circulating leak detecting device |
| CN104390750A (en) * | 2014-11-17 | 2015-03-04 | 上海欣影电力科技股份有限公司 | Air circulating leak detecting device |
| CN104748985A (en) * | 2014-12-09 | 2015-07-01 | 青岛海能阿尔派轨道电力设备工程科技有限公司 | Compressed air pipeline for gas tight test comprehensive experiment table |
| CN107525638A (en) * | 2017-08-23 | 2017-12-29 | 凯迈（洛阳）气源有限公司 | A kind of air-tightness detection device |
| CN107917798A (en) * | 2017-11-08 | 2018-04-17 | 燕山大学 | The test system and test method of pneumatic proportional pressure valve |
| CN107941622A (en) * | 2017-11-23 | 2018-04-20 | 中国核工业第五建设有限公司 | AP1000 main control rooms are met an urgent need residence system pressure pilot system and method |
| CN108181055A (en) * | 2018-02-08 | 2018-06-19 | 亚达管道系统股份有限公司 | The airtight testing stand of high pressure and its airtight test technology of high pressure |
| CN109238588A (en) * | 2018-07-26 | 2019-01-18 | 武汉聚合信环保科技有限公司 | Detection method for gas tightness of gas flow channel, gas passive sampling method and passive sampling device |
| CN109238588B (en) * | 2018-07-26 | 2021-06-22 | 武汉聚合信环保科技有限公司 | Detection method for gas tightness of gas flow channel, gas passive sampling method and passive sampling device |
| CN109738136A (en) * | 2019-03-07 | 2019-05-10 | 北京亿华通科技股份有限公司 | Automatic gas density test system |
| CN110005949A (en) * | 2019-04-22 | 2019-07-12 | 中国科学院武汉病毒研究所 | Automatic air-compensating type air gas-tight door and airtight door control method |
| CN110486629A (en) * | 2019-08-15 | 2019-11-22 | 上海中船三井造船柴油机有限公司 | Air-tightness detection device and method for double fuel host gas pipeline |
| CN110646181A (en) * | 2019-08-30 | 2020-01-03 | 广州文冲船厂有限责任公司 | Test method and test device for testing strength of LNG pipeline system |
| CN111043525A (en) * | 2019-10-25 | 2020-04-21 | 江西洪都航空工业集团有限责任公司 | Gas circuit test box of integrated form |
| CN112525443A (en) * | 2020-12-07 | 2021-03-19 | 格力电器（武汉）有限公司 | Pressure maintaining testing device |
| CN113899397A (en) * | 2021-09-18 | 2022-01-07 | 深圳市宏智智能装备有限公司 | Natural gasification pipeline testing method for intelligent micro-pipe network ecological chain |
| CN113899399A (en) * | 2021-09-18 | 2022-01-07 | 深圳市宏智智能装备有限公司 | High-voltage regulator testing method for intelligent micro-pipe network ecological chain |
| CN113916464A (en) * | 2021-09-30 | 2022-01-11 | 广东利元亨智能装备股份有限公司 | Method for detecting gas leakage of electric pile, method for detecting external leakage and method for detecting gas tightness of electric pile |
| CN113916464B (en) * | 2021-09-30 | 2023-11-17 | 广东利元亨智能装备股份有限公司 | Pile gas leakage detection method and airtight detection method thereof |
| CN114235301A (en) * | 2021-11-09 | 2022-03-25 | 上海贤日测控科技有限公司 | Air tightness detection system and method thereof |
| CN114235301B (en) * | 2021-11-09 | 2024-05-03 | 上海贤日测控科技有限公司 | Air tightness detection system and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20150815 |
|
| EXPY | Termination of patent right or utility model |