CN104515655A - Engine part and whole engine airtightness detection platform - Google Patents

Engine part and whole engine airtightness detection platform Download PDF

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Publication number
CN104515655A
CN104515655A CN201310463466.0A CN201310463466A CN104515655A CN 104515655 A CN104515655 A CN 104515655A CN 201310463466 A CN201310463466 A CN 201310463466A CN 104515655 A CN104515655 A CN 104515655A
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CN
China
Prior art keywords
air
gas
pipe
inflation
valve
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
CN201310463466.0A
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Chinese (zh)
Inventor
孟广新
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.)
Tianjin Tai Xin Detection Technique Co Ltd
Original Assignee
Tianjin Tai Xin Detection Technique 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 Tianjin Tai Xin Detection Technique Co Ltd filed Critical Tianjin Tai Xin Detection Technique Co Ltd
Priority to CN201310463466.0A priority Critical patent/CN104515655A/en
Publication of CN104515655A publication Critical patent/CN104515655A/en
Pending legal-status Critical Current

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Abstract

The invention provides an engine part and whole engine airtightness detection platform which comprises a control circuit, an air bottle, an inflation air way, a pressurizing air way, an air incoming pipe, a detector and a to-be-detected port. The air bottle is connected with the inflation air way, the pressurizing air way comprises a pressurizing air pipe, a pressure meter, a pump front filter, a switch valve and a pneumatic pressurizing pump are sequentially arranged on the pressurizing air pipe along the inflation direction, an air incoming end of the pressurizing air pipe is communicated with an inflation pipe between an inflation valve and a one-way valve while an air outgoing end of the same is communicated with the inflation pipe between the inflation valve and the filter, and an air incoming supporting pipe connected with an air incoming pipe outlet and an air outgoing supporting pipe connected with an air outgoing pipe are arranged on the detector. By the engine part and whole engine airtightness detection platform, a test in which an air incoming pipe and an air exhausting pipe of an engine simulate automotive extreme movement can be completed; gas in the air bottle is compressed and then fed to a to-be-detected pipeline by the pressurizing pump, so that supplied pressure is high, and the problem that a detection device is low in supplied pressure in the prior art is solved.

Description

A kind of engine components and whole airtightness detection platform
Technical field
The invention belongs to field of mechanical technique, especially relate to a kind of engine components and whole airtightness detection platform.
Background technology
The impermeability of engine components is parameters for motor vehicles, detect most important to engine air pipeline and whole airtightness, existing engine air device for detecting air tightness of pipeline generally comprises nitrogen cylinder and inflation gas circuit, inflation gas circuit has set gradually along inflation direction prevent the retaining valve of gas backstreaming gas cylinder, the charging valve controlling inflation gas circuit conducting/closedown, filtrator, safety valve and supply gas pressure table.This device for detecting air tightness of pipeline is determined to pipeline insufflation gas air pressure to be measured by gas cylinder air pressure, its noise in process of the test temperature that is high and air dielectric is uncontrollable, often occur the problem low for pressure pressure, gas flow is little, poor reliability, is unfavorable for bubble-tight detection.
Summary of the invention
The invention provides a kind of engine components and whole airtightness detection platform, to solve the problem that confession pressure pressure is low, air flow rate is little existed in prior art.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of engine components and whole airtightness detection platform, comprise gas cylinder, inflation gas circuit, supercharging gas circuit, heat exchanger, detecting device and interface to be measured, described gas cylinder is connected with described inflation gas circuit, described inflation gas circuit comprises gas-filled tube, and described gas-filled tube is provided with retaining valve, the charging valve controlling gas-filled tube, filtrator and supply gas pressure table successively along inflation direction; Described supercharging gas circuit comprises supercharging tracheae, this supercharging tracheae is provided with tensimeter, pump front filter, switch valve, supercharge pump successively along inflation direction, the inlet end of described supercharging tracheae is communicated with the gas-filled tube between described charging valve, described retaining valve, described supercharging tracheae outlet side is communicated with the gas-filled tube between described charging valve, described filtrator, and described supercharge pump is provided with the driving gas circuit for being connected with respective air power gas source; Described heat exchanger is located between described filtrator in described draft tube and described supply gas pressure table, described detecting device is provided with and exports the air inlet stay pipe be connected, the stay pipe of giving vent to anger be connected with escape pipe with described draft tube, described stay pipe of giving vent to anger is connected with exhaust apparatus by described escape pipe, described air inlet stay pipe and described in give vent to anger engine pipelines interface stay pipe is equipped with gas flow port.
Described driving gas circuit comprises driving tracheae, and described driving tracheae sets gradually tensimeter, flow control valve, oil mist filter and reduction valve along air-flow direction.
Described air inlet stay pipe lower end is provided with shaking device.
Described engine pipelines interface is the interface of some different sizes.
Described heat exchanger is provided with attemperating unit.
The advantage that the present invention has and good effect are: owing to adopting technique scheme, the present invention can complete the draft tube of engine, the test of gas outlet simulated automotive extreme sport, supercharge pump will supply pipeline to be measured after gas compression in gas cylinder simultaneously, high for pressure pressure, solve pick-up unit in prior art and supply the problem that pressure pressure is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention
In figure:
1, gas cylinder 2, retaining valve 3, gas-filled tube
4, tensimeter 5, pump front filter 6, switch valve
7, charging valve 8, supercharge pump 9, pump inlet tensimeter
10, reduction valve 11, oil mist filter 12, flow pressure regulator valve
13, filtrator 14, heat exchanger 15, attemperating unit
16, supply gas pressure table 17, air inlet stay pipe 18, stay pipe of giving vent to anger
19, shaking device 20, outlet pressure table 21, exhaust apparatus
Embodiment
As shown in drawings, a kind of engine components and whole airtightness detection platform, comprise gas cylinder 1, inflation gas circuit, supercharging gas circuit, heat exchanger, detecting device and interface to be measured, gas cylinder 1 is connected with described inflation gas circuit, and described inflation gas circuit comprises gas-filled tube, and described gas-filled tube is provided with retaining valve successively along inflation direction, control the charging valve 7 of gas-filled tube, filtrator 13 and supply gas pressure table 16, described supercharging gas circuit comprises supercharging tracheae, and this supercharging tracheae is provided with tensimeter 4 successively along inflation direction, pump front filter 5, switch valve 6, supercharge pump 8, the inlet end of described supercharging tracheae is communicated with the described gas-filled tube between charging valve 7 and retaining valve 2, described supercharging tracheae outlet side is communicated with the described gas-filled tube between charging valve 7 and filtrator 13, described supercharge pump is provided with the driving gas circuit for being connected with respective air power gas source, described driving gas circuit comprises driving tracheae, and described driving tracheae sets gradually pump inlet tensimeter 9 along air-flow direction, reduction valve 10, oil mist filter 11 and flow control valve 12, heat exchanger 14 is located between filtrator 13 in described draft tube and supply gas pressure table 16, and heat exchanger 14 is provided with attemperating unit 15, and attemperating unit 15 can control system temperature in testing process, described detecting device is provided with and exports the air inlet stay pipe 17 be connected, the stay pipe 18 of giving vent to anger be connected with escape pipe with described draft tube, stay pipe 18 of giving vent to anger is connected with exhaust apparatus 21 by described escape pipe, air inlet stay pipe 17 lower end is provided with shaking device 19, air inlet stay pipe 17 and stay pipe 18 of giving vent to anger is equipped with the engine pipelines interface of the some different sizes with gas flow port.
The course of work of this example: the present embodiment is when test engine parts impermeability, first by described attemperating unit initialization system temperature, then closing switch valve 6, open charging valve 7, nitrogen in nitrogen cylinder is after the filtration of filtrator 13, pipeline to be measured is entered through over-heat-exchanger 14, then close charging valve 7 and open switch valve 6, gas circuit will be driven to be communicated with air power source, by supercharge pump 8, gas in gas cylinder 1 is supplied pipeline to be measured through overcompression, then charging valve 7 is closed, switch valve 6, by observing the change of supply gas pressure table, judge whether pipeline leaks gas, the non-vibrations section of engine pipelines is fixed on bracing frame, guarantee experimental data is accurate.
Above one embodiment of the present of invention have been described in detail, but described content being only preferred embodiment of the present invention, can not being considered to for limiting practical range of the present invention.All equalizations done according to the present patent application scope change and improve, and all should still belong within patent covering scope of the present invention.

Claims (5)

1. engine components and whole airtightness detection platform, it is characterized in that: comprise gas cylinder, inflation gas circuit, supercharging gas circuit, heat exchanger, detecting device and interface to be measured, described gas cylinder is connected with described inflation gas circuit, described inflation gas circuit comprises gas-filled tube, and described gas-filled tube is provided with retaining valve, the charging valve controlling gas-filled tube, filtrator and supply gas pressure table successively along inflation direction; Described supercharging gas circuit comprises supercharging tracheae, described supercharging tracheae is provided with tensimeter, pump front filter, switch valve, supercharge pump successively along inflation direction, the inlet end of described supercharging tracheae is communicated with the gas-filled tube between described charging valve, described retaining valve, described supercharging tracheae outlet side is communicated with the gas-filled tube between described charging valve, described filtrator, and described supercharge pump is provided with the driving gas circuit for being connected with respective air power gas source; Described heat exchanger is located between described filtrator in described draft tube and described supply gas pressure table, described detecting device is provided with and exports the air inlet stay pipe be connected, the stay pipe of giving vent to anger be connected with escape pipe with described draft tube, described stay pipe of giving vent to anger is connected with exhaust apparatus by described escape pipe, described air inlet stay pipe and described in give vent to anger engine pipelines interface stay pipe is equipped with gas flow port.
2. a kind of engine components according to claim 1 and whole airtightness detection platform, it is characterized in that: described driving gas circuit comprises driving tracheae, described driving tracheae sets gradually pump inlet tensimeter, reduction valve, oil mist filter and flow control valve along air-flow direction.
3. a kind of engine components according to claim 1 and 2 and whole airtightness detection platform, is characterized in that: described air inlet stay pipe lower end is provided with shaking device.
4. a kind of engine components according to claim 3 and whole airtightness detection platform, is characterized in that: described engine pipelines interface is the interface of some different sizes.
5. a kind of engine components according to claim 4 and whole airtightness detection platform, is characterized in that: described heat exchanger is provided with attemperating unit.
CN201310463466.0A 2013-09-29 2013-09-29 Engine part and whole engine airtightness detection platform Pending CN104515655A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310463466.0A CN104515655A (en) 2013-09-29 2013-09-29 Engine part and whole engine airtightness detection platform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310463466.0A CN104515655A (en) 2013-09-29 2013-09-29 Engine part and whole engine airtightness detection platform

Publications (1)

Publication Number Publication Date
CN104515655A true CN104515655A (en) 2015-04-15

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CN201310463466.0A Pending CN104515655A (en) 2013-09-29 2013-09-29 Engine part and whole engine airtightness detection platform

Country Status (1)

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CN (1) CN104515655A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105424369A (en) * 2015-12-15 2016-03-23 中国燃气涡轮研究院 Pneumatic model tester for aircraft engine
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
CN109506854A (en) * 2018-10-27 2019-03-22 江阴标榜汽车部件股份有限公司 A kind of detection method of automobile pipeline sealing performance
CN113155372A (en) * 2021-04-19 2021-07-23 湖北三江航天江河化工科技有限公司 Rocket engine air tightness detection system and detection method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101718611A (en) * 2009-11-19 2010-06-02 浙江吉利汽车研究院有限公司 Engine part and whole airtightness detection device
KR20110000181A (en) * 2009-06-26 2011-01-03 김오수 Air leaking detection apparatus for motor sealing structure
CN102128710A (en) * 2010-12-22 2011-07-20 联合汽车电子有限公司 Air leakage testing device and method for air inlet pipe of turbo supercharged engine
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
CN203116926U (en) * 2013-03-20 2013-08-07 无锡市高田机械有限公司 Engine shell air tightness testing device
CN203163975U (en) * 2013-03-21 2013-08-28 天津台信检测技术有限公司 Automobile turbocharged pipe detecting device using pressurized heated air

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110000181A (en) * 2009-06-26 2011-01-03 김오수 Air leaking detection apparatus for motor sealing structure
CN101718611A (en) * 2009-11-19 2010-06-02 浙江吉利汽车研究院有限公司 Engine part and whole airtightness detection device
CN102128710A (en) * 2010-12-22 2011-07-20 联合汽车电子有限公司 Air leakage testing device and method for air inlet pipe of turbo supercharged engine
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
CN203116926U (en) * 2013-03-20 2013-08-07 无锡市高田机械有限公司 Engine shell air tightness testing device
CN203163975U (en) * 2013-03-21 2013-08-28 天津台信检测技术有限公司 Automobile turbocharged pipe detecting device using pressurized heated air

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105424369A (en) * 2015-12-15 2016-03-23 中国燃气涡轮研究院 Pneumatic model tester for aircraft engine
CN105424369B (en) * 2015-12-15 2019-01-25 中国燃气涡轮研究院 A kind of aero-engine aerodynamic model exerciser
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
CN109506854A (en) * 2018-10-27 2019-03-22 江阴标榜汽车部件股份有限公司 A kind of detection method of automobile pipeline sealing performance
CN113155372A (en) * 2021-04-19 2021-07-23 湖北三江航天江河化工科技有限公司 Rocket engine air tightness detection system and detection method

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Application publication date: 20150415