CN101598635B - Test device of oxygen regulator for aircraft passengers - Google Patents
Test device of oxygen regulator for aircraft passengers Download PDFInfo
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- CN101598635B CN101598635B CN 200910039814 CN200910039814A CN101598635B CN 101598635 B CN101598635 B CN 101598635B CN 200910039814 CN200910039814 CN 200910039814 CN 200910039814 A CN200910039814 A CN 200910039814A CN 101598635 B CN101598635 B CN 101598635B
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Abstract
The invention provides a test device of an oxygen regulator for aircraft passengers, which is characterized in that a vacuum chamber is externally connected with a third vacuumatic pressure gauge and is externally connected with a vacuum pump through a fifth control valve; an intake pressure control module comprises an intake tube; the outdoor intake tube is connected with an air pressure gauge (G), a pressure regulator (R1), a first pressure gauge (G1) and a first control valve (V1) in sequence; a second control valve (V2) is connected at the back of the first control valve (V1) for externally connecting the air; an outlet flow control module comprises an air outlet pipe which passes through a third control valve and extends out of the vacuum chamber; the outlet of the outdoor air outlet pipe is connected with control valves (V6-V11) and a plurality of flow gauges with different measuring ranges (F1-F6) in parallel; the invention further comprises an extra electric control module. The invention can be used for testing oxygen accessories with various flow rates, such as oxygen system valves, in particular to finishing the high flow rate test of the passenger oxygen system regulator below the cabin altitude; the test device can be upgraded and refitted freely, and the maintenance is simple and convenient.
Description
Technical field
The present invention relates to a kind of device of testing airplane passenger oxygen regulator function.
Background technology
Aircraft cockpit at release of pressure etc. in emergency circumstances, need provide urgent respiratory oxygen to the passenger, the aircraft that has adopts the modular oxygen supply of oxygen generator, the aircraft that has adopts the concentrated oxygen supply of central air conditioner formula, this oxygen supply mode needs one or more oxygen regulators to regulate the oxygen supply amount according to cabin altitude, handling capacity of passengers, for oxygen regulator, according to designing requirement, need regularly carry out seepage, flow and top hole pressure test, but also should under the situation of analog capsule cabin height, finish the maximum flow test of regulator.
Existing aircraft oxygen regulator test board is the eighties of last century end of the eighties, the product at the beginning of the nineties, and the design maximum flow has only 600 liters of per minutes, can not satisfy the test request of the oxygen annex that has specific function on the type aircraft.For example A330/A340 aircraft passengers oxygen system regulator requires the simulated aircraft cabin altitude, and maximum passenger capacity respiratory oxygen flow is provided, and flow is up to 2200 liters of per minutes.And test board is safeguarded very inconvenient, and maintenance cost is high, the cycle is long.
Device for testing functions can modularization, and a module has only a function, finishes regulator one pacing examination, perhaps all modules is integrated, and finishes all tests of regulator.
Summary of the invention
Purpose of the present invention just provides a kind of seepage that not only can finish oxygen regulator for aircraft passengers, flow and top hole pressure test, and can the analog capsule cabin height, and the test maximum flow can reach the test device of oxygen regulator of 5000L/MIN.
For achieving the above object, test device of oxygen regulator for aircraft passengers of the present invention is characterized in that comprising:
One vacuum height control module: contain a vacuum chamber, chamber is circumscribed with the 3rd pressure vacuum gauge and controls pressure in the vacuum chamber by the external vacuum pump of the 5th operation valve, in order to the simulated aircraft cabin altitude;
One admission pressure control module: the draft tube of contain that tested instrument oxygen regulator in an end and the vacuum chamber joins, the other end and outdoor source of the gas joining, on outdoor draft tube, be connected to bleed pressure table (G), pressure governor (R1), the 1st tensimeter (G1) and the 1st operation valve (V1) successively, behind the 1st operation valve (V1), be connected to the external atmosphere of the 2nd operation valve (V2), play the safety relief effect;
One rate of discharge control module: contain that an end puts in vacuum chamber and tested instrument oxygen regulator joins, the other end through the 3rd operation valve after escape pipe to vacuum chamber, in the outlet of outdoor escape pipe and be connected to the different flowmeter of a plurality of ranges (F1-F6), be connected to operation valve (V6-V11) before each flowmeter;
Add the electrical control module: comprise the conversion equipment and the gauge tap of an AC-DC, the tested instrument oxygen regulator in the control vacuum chamber opens and closes.
On the basis of the above, the present invention has various remodeling:
The escape pipe of described rate of discharge control module, dividing before inserting the 3rd operation valve has 3 branches: one connects the 2nd tensimeter (G2) connection atmosphere, two connects chamber exterior pressure vessel, three in the middle of the chamber inner outlet section of access vacuum pump behind the 4th operation valve (V4).
The escape pipe of described rate of discharge control module, dividing before inserting the 3rd operation valve has 2 branches: one connects the 2nd tensimeter (G2) connection atmosphere, two connects the chamber exterior pressure vessel; In the draft tube that has branch behind the 3rd operation valve after inserting the 1st operation valve (V1) behind the 4th operation valve (V4).
Described vacuum chamber is reserved with two expansion slot, promptly have two pipes to be connected to outdoor and be equipped with respectively the 12nd and the 13rd operation valve (V12, V13).
Described vacuum height control module and admission pressure control module are manually control, make things convenient for testing apparatus upgrading repacking.
The all interfaces of described test board all are opened on the wall of vacuum chamber, with flexible pipe and operation valve, the import and export of test specimen are connected with corresponding interface on the chamber walls.
Described flowmeter max-flow scale is 5000L/MIN.
The invention has the beneficial effects as follows: can test the oxygen annex of various traffic requirements such as the valve of oxygen system easily, particularly can finish the big flow rate test of passenger oxygen system regulator under cabin altitude, and the testing apparatus repacking of can freely upgrading, safeguard very simple and convenient.
Description of drawings
Below in conjunction with drawings and Examples test board of the present invention is further specified.
Fig. 1 is the composition structure principle chart of test device of oxygen regulator for aircraft passengers embodiment one of the present invention;
Fig. 2 is the composition structure principle chart of test device of oxygen regulator for aircraft passengers embodiment two of the present invention.
Among the figure: 1-vacuum chamber, 2-vacuum pump, 3-draft tube, 4-escape pipe, the 5-oxygen regulator, 6-source of the gas, 7-power supply and electrical control module, 8-pressure vessel, the 9-test cable, V1 to V11-the 1st to the 11st operation valve, G1 to G3-the 1st to the 3rd tensimeter, F1 to F6-the 1st to the 6th flowmeter.
Embodiment
As shown in Figure 1, test device of oxygen regulator for aircraft passengers embodiment one of the present invention comprises as lower module:
One vacuum height control module: contain a vacuum chamber 1, chamber is circumscribed with the 3rd pressure vacuum gauge, in order to the vacuum tightness in the monitoring chamber, vacuum chamber 1 is also controlled pressure in the vacuum chamber 1 by the external vacuum pump 2 of the 5th operation valve, in order to the simulated aircraft cabin altitude, vacuum chamber not only can the analog capsule cabin height, can also be as a safety device, in addition, vacuum chamber 1 also is reserved with two expansion slot, promptly there are two pipes to be connected to outdoor and the 12nd and the 13rd operation valve V12, V13 are housed respectively;
One admission pressure control module: the draft tube 3 of contain that tested instrument oxygen regulator 5 in an end and the vacuum chamber 1 joins, the other end and outdoor source of the gas 6 joining, on outdoor draft tube, be connected to bleed pressure table G, pressure governor R1, the 1st tensimeter G1 and the 1st operation valve V1 successively, behind the 1st operation valve V1, be connected to the external atmosphere of the 2nd operation valve V2, play the safety relief effect;
One rate of discharge control module: contain that an end puts in that vacuum chamber 1 joins with tested instrument oxygen regulator 5, the other end through the 3rd operation valve after escape pipe 4 to vacuum chamber, in the outlet of outdoor escape pipe and be connected to 6 flowmeter F1-F6 that range is different, the max-flow scale is 5000L/MIN, is connected to operation valve V6-V11 before each flowmeter; Escape pipe divides before inserting the 3rd operation valve 3 branches: one meets the 2nd tensimeter G2 is communicated with atmosphere, two and connects in the middle of chamber exterior pressure vessel, three inserts vacuum pump behind the 4th operation valve V4 the chamber inner outlet section (this is because of some test, need to test piece gas outlet air feed);
Power supply and add electrical control module 7: comprise the conversion equipment and the gauge tap of an AC-DC, the tested instrument oxygen regulator in the control vacuum chamber opens and closes;
The all interfaces of test board all are opened on the wall of vacuum chamber, with flexible pipe and operation valve, the import and export of test specimen are connected with corresponding interface on the chamber walls; Vacuum height control module and admission pressure control module are manual control, make things convenient for testing apparatus upgrading repacking.
During actual the test, test block is placed in the vacuum chamber, test piece is connected with test board, close all operation valves, close vacuum chamber according to diagram.
Testing procedure:
1) regulate regulator R1 to pressure 9.7 ± 1.0barg (140 ± 5psig), be presented on the G1 tensimeter, open V1;
2) open vacuum control valve V5, it is 10000 feet that the vacuum chamber height is set, i.e. the about 10.1psia of pressure of pressure vacuum gauge G3 demonstration;
3) regulate direct supply to 28 ± 0.5Vdc, and turn on the power switch maintenance 1-5 second, guarantee that the solenoid valve of opening of oxygen pressure demodulator is opened, observe tensimeter G2, verify that with stopwatch the pressure of G2 was increased to 4.1-8.6barg (60-125psig) in 5 seconds;
4) open operation valve V3, V6, it is 2.1+0.5/-0L/MIN that flow is set, and is presented on the F1 flowmeter.Guarantee that top hole pressure G2 is 0.44 ± 0.1barg (6.4 ± 0.5psig); Regulate V6, make the F1 flow reach 9.0+0.5/-0L/MIN, guarantee that top hole pressure G2 is 0.32 ± 0.1barg (4.6 ± 0.5psig);
5) according to the handbook requirement, readjust admission pressure, the height (absolute pressure) of vacuum chamber is set, the testing procedure above repeating.
Annotate: in order to obtain flow more accurately under low top hole pressure, can regulate V4 by closing V3, flowmeter at this moment should be connected on oxygen regulator air intake opening end.
6) regulate regulator R1 to pressure 9.7 ± 1.0barg (140 ± 5psig), be presented on the G1 tensimeter, open V1;
7) open vacuum control valve V5, it is 10000 feet that the vacuum chamber height is set, i.e. the about 10.1psia of pressure of pressure vacuum gauge G3 demonstration;
8) regulate direct supply to 28 ± 0.5Vdc, and turn on the power switch maintenance 1-5 second, guarantee that the solenoid valve of opening of oxygen pressure demodulator is opened, observe tensimeter G2, verify that with stopwatch the pressure of G2 was increased to 4.1-8.6barg (60-125psig) in 5 seconds;
9) open operation valve V3, V6, it is 2.1+0.5/-0L/MIN that flow is set, and is presented on the F1 flowmeter.Guarantee that top hole pressure G2 is 0.44 ± 0.1barg (6.4 ± 0.5psig); Regulate V6, make the F1 flow reach 9.0+0.5/-0L/MIN, guarantee that top hole pressure G2 is 0.32 ± 0.1barg (4.6 ± 0.5psig);
10) according to the handbook requirement, readjust admission pressure, the height (absolute pressure) of vacuum chamber is set, the testing procedure above repeating.
Annotate: in order to obtain flow more accurately under low top hole pressure, can regulate V4 by closing V3, flowmeter at this moment should be connected on oxygen regulator air intake opening end.
Test device of oxygen regulator for aircraft passengers embodiment two shown in Figure 2, only be the rate of discharge control module with embodiment one difference: contain that an end puts in that vacuum chamber 1 joins with tested instrument oxygen regulator 5, the other end through the 3rd operation valve after escape pipe 4 to vacuum chamber, in the outlet of outdoor escape pipe and be connected to 6 flowmeter F1-F6 that range is different, the max-flow scale is 5000L/MIN, is connected to operation valve V6-V11 before each flowmeter; Escape pipe divides before inserting the 3rd operation valve 2 branches: one connects the 2nd tensimeter (G2) connection atmosphere, two connects the chamber exterior pressure vessel; In the draft tube that has branch behind the 3rd operation valve after inserting the 1st operation valve (V1) behind the 4th operation valve (V4).
Claims (7)
1. test device of oxygen regulator for aircraft passengers is characterized in that comprising:
One vacuum height control module: contain a vacuum chamber, chamber is circumscribed with the 3rd pressure vacuum gauge and controls pressure in the vacuum chamber by the external vacuum pump of the 5th operation valve, in order to the simulated aircraft cabin altitude;
One admission pressure control module: the draft tube of contain that tested instrument oxygen regulator in an end and the vacuum chamber joins, the other end and outdoor source of the gas joining, on outdoor draft tube, be connected to bleed pressure table (G), pressure governor (R1), the 1st tensimeter (G1) and the 1st operation valve (V1) successively, behind the 1st operation valve (V1), be connected to the external atmosphere of the 2nd operation valve (V2), play the safety relief effect;
One rate of discharge control module: contain that an end puts in vacuum chamber and tested instrument oxygen regulator joins, the other end through the 3rd operation valve after escape pipe to vacuum chamber, in the outlet of outdoor escape pipe and be connected to the different flowmeter of a plurality of ranges (F1-F6), be connected to operation valve (V6-V11) before each flowmeter;
Add the electrical control module: comprise the conversion equipment and the gauge tap of an AC-DC, the tested instrument oxygen regulator in the control vacuum chamber opens and closes.
2. test device of oxygen regulator for aircraft passengers according to claim 1, it is characterized in that: the escape pipe of described rate of discharge control module, dividing before inserting the 3rd operation valve has 3 branches: one connects the 2nd tensimeter (G2) connection atmosphere, two connects chamber exterior pressure vessel, three in the middle of the chamber inner outlet section of access vacuum pump behind the 4th operation valve (V4).
3. test device of oxygen regulator for aircraft passengers according to claim 1, it is characterized in that: the escape pipe of described rate of discharge control module, dividing before inserting the 3rd operation valve has 2 branches: one connects the 2nd tensimeter (G2) connection atmosphere, two connects the chamber exterior pressure vessel; In the draft tube that has branch behind the 3rd operation valve after inserting the 1st operation valve (V1) behind the 4th operation valve (V4).
4. according to claim 2 or 3 described test device of oxygen regulator for aircraft passengers, it is characterized in that: described vacuum chamber is reserved with two expansion slot, promptly have two pipes to be connected to outdoor and be equipped with respectively the 12nd and the 13rd operation valve (V12, V13).
5. test device of oxygen regulator for aircraft passengers according to claim 4 is characterized in that: described vacuum height control module and admission pressure control module are manually control, make things convenient for testing apparatus upgrading repacking.
6. test device of oxygen regulator for aircraft passengers according to claim 5, it is characterized in that: all interfaces of described proving installation all are opened on the wall of vacuum chamber, with flexible pipe and operation valve, the import and export of test specimen is connected with corresponding interface on the chamber walls.
7. test device of oxygen regulator for aircraft passengers according to claim 6 is characterized in that: the max-flow scale in the described flowmeter is 5000L/MIN.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 200910039814 CN101598635B (en) | 2009-05-31 | 2009-05-31 | Test device of oxygen regulator for aircraft passengers |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910039814 CN101598635B (en) | 2009-05-31 | 2009-05-31 | Test device of oxygen regulator for aircraft passengers |
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| CN101598635A CN101598635A (en) | 2009-12-09 |
| CN101598635B true CN101598635B (en) | 2011-07-20 |
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| CN 200910039814 Active CN101598635B (en) | 2009-05-31 | 2009-05-31 | Test device of oxygen regulator for aircraft passengers |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393626B (en) * | 2011-09-14 | 2015-07-01 | 中国航空工业集团公司西安飞机设计研究所 | Multi-redundancy control system for air source of airplane |
| CN105138762B (en) * | 2015-08-19 | 2019-01-18 | 中国航空工业集团公司西安飞机设计研究所 | A kind of aircraft oxygen supply emulation mode |
| RU2725114C1 (en) * | 2019-10-24 | 2020-06-29 | Акционерное общество "Корпорация "Тактическое ракетное вооружение" | Method of testing performance of gas reducers of aircrafts and pneumatic test bench for its implementation |
| CN111721480B (en) * | 2020-06-29 | 2021-07-20 | 南京航空航天大学 | Civil aircraft unit oxygen system leakage early warning method based on flight data |
| CN112504641B (en) * | 2020-11-09 | 2023-05-23 | 芜湖天航装备技术有限公司 | Test pipeline for performance of pressure regulator and application method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2342842Y (en) * | 1998-06-27 | 1999-10-13 | 青岛市平度高压氧仓设备厂 | Highland climatic simulation training cabin |
| CN2423535Y (en) * | 2000-04-10 | 2001-03-14 | 黄壮伟 | Indoor oxygen regulator |
| CN101156819A (en) * | 2007-11-08 | 2008-04-09 | 中国人民解放军第三军医大学第三附属医院 | Medical air pressurization oxygen cabin with emergency system |
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2009
- 2009-05-31 CN CN 200910039814 patent/CN101598635B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2342842Y (en) * | 1998-06-27 | 1999-10-13 | 青岛市平度高压氧仓设备厂 | Highland climatic simulation training cabin |
| CN2423535Y (en) * | 2000-04-10 | 2001-03-14 | 黄壮伟 | Indoor oxygen regulator |
| CN101156819A (en) * | 2007-11-08 | 2008-04-09 | 中国人民解放军第三军医大学第三附属医院 | Medical air pressurization oxygen cabin with emergency system |
Non-Patent Citations (2)
| Title |
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| 军用规范.飞机液氧***的设计和安装通用规范.《航空标准化》.1980,38-62页. * |
| 辛慧秋.CRJ-200氧气***设计分析.《民用飞机设计与研究》.2002,(第4期),19-22页. * |
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| CN101598635A (en) | 2009-12-09 |
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