CN205138764U - Be used for aviation pneumatic valve high temperature, large -traffic combined test platform - Google Patents

Be used for aviation pneumatic valve high temperature, large -traffic combined test platform Download PDF

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Publication number
CN205138764U
CN205138764U CN201520369768.6U CN201520369768U CN205138764U CN 205138764 U CN205138764 U CN 205138764U CN 201520369768 U CN201520369768 U CN 201520369768U CN 205138764 U CN205138764 U CN 205138764U
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China
Prior art keywords
valve
temperature
threeway
vacuum
discharge
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CN201520369768.6U
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Chinese (zh)
Inventor
王海波
叶传柱
李林军
韩小磊
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Beijing Fengrong Aviation Technology Co Ltd
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Beijing Fengrong Aviation Technology Co Ltd
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Priority to CN201520369768.6U priority Critical patent/CN205138764U/en
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Abstract

The utility model discloses a belong to a be used for aviation pneumatic valve high temperature, large -traffic combined test platform of high -temperature gas temperature, pressure, flow test equipment scope, this combined test platform is established ties with tee bend, flowmeter, relief pressure valve, vacuum explosion -proof case and governing valve by pneumatic cut -off valve, is equipped with the accurate control of shut -off valve, flowmeter and electrical control valve bypass passageway realization flow on as the pipeline before the explosion -proof case of vacuum simultaneously, simulate the detection to aircraft pneumatic valve, especially detect the valve in large -traffic and high temperature performance down, can accomplish room temperature to 250 DEG C of temperature, 30 -2500m3 gas flow's annex test, adjust the precision high, easily adjust, realize rapidly, the operation simply, the utility model discloses can satisfy pneumatic valve's capability test requirement, application scope is wider.

Description

For aviation pneumatic valve high temperature, large discharge multi-function test stand
Technical field
The utility model belongs to hot-gas temperature, pressure, flow test facility scope, and particularly one is used for aviation pneumatic valve high temperature, large discharge multi-function test stand, is a kind of large discharge for aviation pneumatic valve, high-temperature test device specifically.
Background technology
Determine that whether aviation accessory performance is qualified at present and mainly simulated performance test is carried out to various aviation accessory, need to provide when testing to meet pressure, flow, the source of the gas of temperature, the equipment simultaneously tested will possess associated temperature, pressure, the control of flow and monitoring, wherein there is the temperature of partial pneumatic valve higher, flow is larger, this is to the heatproof of pressure source and proving installation, withstand voltage, volume flow claims, because the increase of temperature, seal under normal temperature just can not meet the requirement of performance, material aspect, common steel pipe at high operating temperatures can heavy corrosion, can not use, at high operating temperatures, will by gas piping, proving installation protects, prevent from scalding staff.In addition, because general flow limits in respect of measurement range, its minimum measurement range generally can not be less than 10% of maximum range, causes encountering difficulties when taking into account low discharge and large discharge.
Utility model content
The purpose of this utility model is the proving installation complex structure carrying out high temperature, large discharge for current aviation pneumatic valve, take up space large, regulate loaded down with trivial details, the deficiency that failure rate is high, propose a kind of for aviation pneumatic valve high temperature, large discharge multi-function test stand, it is characterized in that, described multi-function test stand is a kind of large discharge for aviation pneumatic valve, high-temperature test device; This multi-function test stand is connected with the first threeway 4, first-class gauge 5, reduction valve 6, second threeway 7, vacuum anti-explosion case 15, the 3rd threeway 18 and the first variable valve 19 by pneumatic cut-off valve 1, and the second variable valve 20 is connected with the 3rd threeway 18; Wherein, the first thermometer 2 and the first pressure transducer 3 are arranged on the connecting line between pneumatic cut-off valve 1 and the first threeway 4 side by side; Second thermometer 13 and the second pressure transducer 14 are arranged on the connecting line between the second threeway 7 and vacuum anti-explosion case 15 side by side; 3rd thermometer 16 and the 3rd pressure transducer 17 are arranged on the connecting line between vacuum anti-explosion case 15 and the 3rd threeway 18 side by side; First threeway 4 is connected the second threeway 7 after connecting with the first shut-off valve 8, second gauge 9, electric control valve 10, second shut-off valve 11 and the 4th pressure transducer 12, forms the bypass passageways of first-class gauge 5 and reduction valve 6.
Described flow counts 30-2500m 3the flowmeter of the large discharge scope of gas flow, measures for traffic monitoring.
The measurement range of described thermometer is room temperature to 250 DEG C.
Described connecting line adopts major diameter DN150 stainless-steel tube.
Be simulated aircraft high altitude environment condition in described vacuum anti-explosion case.
The beneficial effects of the utility model are the utility model is carry out analog detection to aircraft pneumatic valve, particularly detect the performance of valve under large discharge and high temperature, when pneumatic valve for different model needs to test, as long as change supporting mounting flange, room temperature to 250 DEG C temperature, 30-2500m just can be completed 3the annex test of gas flow, degree of regulation is high, be easy to regulate, realize rapidly, operate simple and easy; The utility model can meet the performance test requirement of pneumatic valve, and the scope of application is wider.
Accompanying drawing explanation
Fig. 1 is large discharge high temperature side test stand structural representation.
Embodiment
The utility model is a kind of for aviation pneumatic valve large discharge high temperature side test stand.Be explained below in conjunction with accompanying drawing.
Fig. 1 is large discharge high temperature side test stand structural representation.
The temperature of this proving installation simulated aircraft bleed, pressure and flow are tested valve, the pneumatic cut-off valve 1 at the position at first of this device is connected with the first threeway 4, first-class gauge 5, reduction valve 6, second threeway 7, vacuum anti-explosion case 15, the 3rd threeway 18 and the first variable valve 19, and the second variable valve 20 is connected with the 3rd threeway 18; Wherein the first thermometer 2 and the first pressure transducer 3 are arranged on the connecting line between pneumatic cut-off valve 1 and the first threeway 4 side by side; Second thermometer 13 and the second pressure transducer 14 are arranged on the connecting line between the second threeway 7 and vacuum anti-explosion case 15 side by side; 3rd thermometer 16 and the 3rd pressure transducer 17 are arranged on the connecting line between vacuum anti-explosion case 15 and the 3rd threeway 18 side by side; First threeway 4 is connected the second threeway 7 after connecting with the first shut-off valve 8, second gauge 9, electric control valve 10, second shut-off valve 11 and the 4th pressure transducer 12, forms the bypass passageways of first-class gauge 5 and reduction valve 6.
Described flow counts 30-2500m 3the flowmeter of the large discharge scope of gas flow, measures for traffic monitoring.
The measurement range of described thermometer is room temperature to 250 DEG C.
Described connecting line adopts major diameter DN150 stainless-steel tube.
Be a pneumatic cut-off valve foremost at this device, this valve possesses cut-out and regulatory function simultaneously, the introduction in this test bed testing source can be realized by this stop valve, big diameter stainless steel pipe pipeline is connected after valve, flow range is expanded by a bypass passageways, be equipped with flowmeter simultaneously, pressure transducer, reduction valve, stop valve, thermometer etc., and be connected with vacuum anti-explosion case, during test, parts are installed in vacuum anti-explosion case, vacuum anti-explosion case high-strength material is made, can be used as the safety device of unit test, realize negative pressure by connecting vacuum pump simultaneously, simulated aircraft high altitude environment condition in vacuum anti-explosion case, test component is tested under simulated aircraft high altitude environment condition, after vacuum anti-explosion case, main line is equipped with thermometer, pressure transducer, flow control valve etc., and on this section of pipeline, each components and parts seal will adopt high temperature resistant type, and the general weight of each parts in pipeline is comparatively large, adopt suitable bracing reinforcement mode, measure for realizing wide range of traffic, on the pipeline before vacuum anti-explosion case, bypass passageways realizes the accurate control of flow, after vacuum anti-explosion case, main line is installed on bypass line and second variable valve is also installed, rise and coordinate regulating action.
Be arranged at unit under test after in the vacuum anti-explosion case 15 of front end, the size of compressed air require as required selects pipeline, as selected large compressed air require, then open pneumatic cut-off valve 1 in the main line of vacuum anti-explosion case front end, reduction valve 6, cuts out the first shut-off valve 8 and the second shut-off valve 11 in bypass line; Regulate reduction valve 6 to regulate unit under test admission pressure, monitor admission pressure by the first pressure transducer 3 and first-class gauge 5 monitors charge flow rate; Intake air temperature is monitored by the first thermometer 2; Admission pressure and the temperature of unit under test is monitored by the second pressure transducer 14 and the second thermometer 13; Regulate by the first variable valve 19 of vacuum anti-explosion box back and the second variable valve 20 gas flow passed through, wherein, the first variable valve 19 is coarse adjustment, and the second variable valve 20 is fine tuning; And monitor unit under test outlet temperature and pressure by the 3rd thermometer 16 of vacuum anti-explosion box back and the 3rd pressure transducer 17; According to test file, each sensor and thermometer by the display of the data of monitoring on a display screen, therefore confirm that whether unit under test performance is qualified.
As selected low discharge, then opening pneumatic cut-off valve 1 in the main line of vacuum anti-explosion case front end, closing reduction valve 6; Admission pressure is monitored and first-class gauge 5 monitors charge flow rate by the first pressure transducer 3; And the first shut-off valve 8 and the second shut-off valve 11 opened in bypass line, unit under test admission pressure is regulated by electric control valve 10, second shut-off valve 11,4th pressure transducer 12, second pressure transducer 14 and the second thermometer 13 monitor admission pressure and temperature, and second gauge 9 monitors the charge flow rate passed through; Regulated by gas flow by the first variable valve 19 of vacuum anti-explosion box back and the second variable valve 20, and monitor unit under test outlet temperature and pressure by the 3rd thermometer 16 of vacuum anti-explosion box back and the 3rd pressure transducer 17; According to test file, each sensor and thermometer by the display of the data of monitoring on a display screen, therefore confirm that whether unit under test performance is qualified.

Claims (5)

1. for aviation pneumatic valve high temperature, a large discharge multi-function test stand, it is characterized in that, described multi-function test stand is a kind of large discharge for aviation pneumatic valve, high-temperature test device; This multi-function test stand is connected with the first threeway (4), first-class gauge (5), reduction valve (6), the second threeway (7), vacuum anti-explosion case (15), the 3rd threeway (18) and the first variable valve (19) by pneumatic cut-off valve (1), and the second variable valve (20) is connected with the 3rd threeway (18); Wherein, the first thermometer (2) and the first pressure transducer (3) are arranged on the connecting line between pneumatic cut-off valve (1) and the first threeway (4) side by side; Second thermometer (13) and the second pressure transducer (14) are arranged on the connecting line between the second threeway (7) and vacuum anti-explosion case (15) side by side; 3rd thermometer (16) and the 3rd pressure transducer (17) are arranged on the connecting line between vacuum anti-explosion case (15) and the 3rd threeway (18) side by side; First threeway (4) is connected the second threeway (7) after connecting with shut-off valve (8), second gauge (9), electric control valve (10), shut-off valve (11) and the 4th pressure transducer (12), forms the bypass passageways of first-class gauge (5) and reduction valve (6).
2., according to claim 1 for aviation pneumatic valve high temperature, large discharge multi-function test stand, it is characterized in that, described flow counts 30-2500m 3the flowmeter of the large discharge scope of gas flow, measures for traffic monitoring.
3. according to claim 1 for aviation pneumatic valve high temperature, large discharge multi-function test stand, it is characterized in that, the measurement range of described thermometer is room temperature to 250 DEG C.
4. according to claim 1 for aviation pneumatic valve high temperature, large discharge multi-function test stand, it is characterized in that, described connecting line adopts major diameter DN150 stainless-steel tube.
5. according to claim 1 for aviation pneumatic valve high temperature, large discharge multi-function test stand, it is characterized in that, is simulated aircraft high altitude environment condition in described vacuum anti-explosion case.
CN201520369768.6U 2015-06-01 2015-06-01 Be used for aviation pneumatic valve high temperature, large -traffic combined test platform Active CN205138764U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520369768.6U CN205138764U (en) 2015-06-01 2015-06-01 Be used for aviation pneumatic valve high temperature, large -traffic combined test platform

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Application Number Priority Date Filing Date Title
CN201520369768.6U CN205138764U (en) 2015-06-01 2015-06-01 Be used for aviation pneumatic valve high temperature, large -traffic combined test platform

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CN205138764U true CN205138764U (en) 2016-04-06

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104931244A (en) * 2015-06-01 2015-09-23 北京丰荣航空科技股份有限公司 High-temperature and large-flow combined test bench and method for aviation pneumatic valve
CN109813359A (en) * 2019-01-14 2019-05-28 北京安达维尔机械维修技术有限公司 A kind of exerciser and its control method for aviation flow control valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104931244A (en) * 2015-06-01 2015-09-23 北京丰荣航空科技股份有限公司 High-temperature and large-flow combined test bench and method for aviation pneumatic valve
CN109813359A (en) * 2019-01-14 2019-05-28 北京安达维尔机械维修技术有限公司 A kind of exerciser and its control method for aviation flow control valve

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