CN202057505U - Air passage structure of comprehensive test board for aeronautic oxygen accessories - Google Patents
Air passage structure of comprehensive test board for aeronautic oxygen accessories Download PDFInfo
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- CN202057505U CN202057505U CN2011202663449U CN201120266344U CN202057505U CN 202057505 U CN202057505 U CN 202057505U CN 2011202663449 U CN2011202663449 U CN 2011202663449U CN 201120266344 U CN201120266344 U CN 201120266344U CN 202057505 U CN202057505 U CN 202057505U
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Abstract
The utility model discloses an air passage structure of a comprehensive test board for aeronautic oxygen accessories, which belongs to a testing system for aeronautic oxygen accessories. The air passage structure of the comprehensive test board for aeronautic oxygen accessories comprises a vacuum box, an air source input, an oxygen partial pressure analyzer, a simulative lung and a flowmeter group; and the air source input, the partial pressure analyzer, the simulative lung and the flowmeter group are connected with a simulation height and pressure datum collection port, a GL2 and a GL3 barometer interfaces, a high pressure source interface, a low pressure source interface, a high pressure testing interface, a low pressure testing interface and a vacuum box pressurization interface which are arranged on the circumferential wall of the vacuum box respectively. Various combination manners are realized through circuit programming control, various air passage structures can be built conveniently and quickly, the operation is simple and efficient, and errors occurring during the building of air passages can be avoided, so that human errors can be eliminated; and the speed for building air passages is improved, and the operation difficulty is reduced.
Description
Technical field
The utility model belongs to the test macro scope of aviation oxygen annex, the gas circuit structure of the fitting integrated testing table gas circuit of particularly a kind of aviation oxygen.
Background technology
The oxygen annex that aviation is used mainly comprises welding bottle, oxygen generator and oxygen mask, safeguarding/need carry out various tests to them when overhauling, the gas circuit structure that makes up during test generally can be divided into two parts, one is the source of the gas part, be used for simulating the oxygen pressure that welding bottle or aircraft oxygen pipeline provide, this part is simpler, will not discuss in this programme; Another is a part of detecting, be used to measure the multiple test parameter such as flow, pressure, vacuum tightness, partial pressure of oxygen of oxygen annex, sometimes also need the performance of anthropomorphic dummy's breathing with test oxygen annex, this part is complicated, need make up various test gas circuits according to different oxygen annexes.The test gas circuit structure of the at present common fitting integrated testing table of aviation oxygen can be divided into quick detach joint plug flexible pipe, manually shut-off valve control and solenoid control etc. are several, are most advanced, the safest, most effective with solenoid control wherein.AMECO has domestic state-of-the-art oxygen testing table at present, this testing table is from French import, adopt the solenoid control mode, can satisfy most of test request of most oxygen annexes, but the gas circuit structure complexity of this testing table, need control many solenoid valves during test and make up the required gas circuit structure of test, if making up mistake, gas circuit will cause test to finish, even damage equipment or cause injury to personnel, therefore having relatively high expectations to the tester, and complicated operation is wasted time and energy.
The utility model content
The purpose of this utility model is the complexity at the fitting integrated testing table oxygen of import aviation oxygen annex test gas circuit in the prior art, operation easier is big, if making up mistake, gas circuit will cause test to finish, even damage equipment or cause the deficiency of injury to personnel, the gas circuit structure of the fitting integrated testing table of a kind of aviation oxygen is proposed, it is characterized in that, the gas circuit structure of the fitting integrated testing table of described aviation oxygen comprises vacuum tank, and source of the gas input, partial pressure of oxygen analyser, simulated lung and flowmeter group constitute; Simulated altitude and pressure reference acquisition port are set, GL2 and GL3 rain glass interface, high-voltage power supply interface, low pressure source interface, Hi-pot test interface, low voltage experiment interface and vacuum tank pressurization interface respectively on the vacuum tank circumferential wall; The S2 solenoid valve of the S6 solenoid valve of described flowmeter group import and the outlet of flowmeter group is connected to the S7 solenoid valve as the simulated lung input end, the common interface of S8 solenoid valve jointly, the S10 solenoid valve of simulated lung output terminal, the common interface of S9 solenoid valve are connected with the S13 solenoid valve of partial pressure of oxygen analyser, the common interface of S12 solenoid valve, and the low voltage experiment interface of the S14 solenoid valve of partial pressure of oxygen analyser, the common interface of S12 solenoid valve and vacuum tank is connected; The Hi-pot test interface of vacuum tank connects the GH rain glass and connects the VFL flowmeter by gas flow control valve VF5;
The high-voltage power supply interface of described vacuum tank connects the GRH tensimeter respectively, the septum valve RH and the first blowdown valve XY1; The low pressure source interface of vacuum tank connects respectively, the common interface of S15 solenoid valve, the first low pressure modulating valve RL1 and the second blowdown valve XY2; The first low pressure modulating valve RL1 is connected with the second low pressure modulating valve RL2, and the second low pressure modulating valve RL2 links together with the S1 solenoid valve of GRL2 tensimeter and the import of flowmeter group again, and the second blowdown valve XY2 is connected with the first filtrator GLQ1 again;
Described vacuum tank pressurization interface connects CVF blowdown valve and vacuum tank pressure control valve RCV, vacuum tank pressure control valve RCV is connected with the common interface of vacuum breaker KV with vacuum source SV, vacuum breaker KV is connected with the S3 solenoid valve common interface of RVF blowdown valve with the outlet of flowmeter group again, and the RVF blowdown valve is connected with the second filtrator GLQ2 again.
Described septum valve RH and high-pressure air source SH connect.
The described first low pressure modulating valve RL1 and the second low pressure modulating valve RL2 and low-pressure gas source SL connect.
Described GRL1 tensimeter, S15 solenoid valve and GL1 tensimeter constitute differential manometer, and the GL1 tensimeter connects the S5 solenoid valve of simulated altitude and pressure reference acquisition port, little test leakage preliminary operation changing-over P1 and the import of flowmeter group again.
Described flowmeter group is composed in parallel by three flowmeter two ends pressure-regulating valve of respectively connecting, and at flowmeter group two ends again and connect a pressure-regulating valve, the import of flowmeter group connects the common interface of S1 solenoid valve, S5 solenoid valve and S6 solenoid valve; The outlet of flowmeter group connects the common interface of S2 solenoid valve, S3 solenoid valve and S4 solenoid valve.
Described simulated lung series connection S11 solenoid valve, the S7 solenoid valve of connecting in parallel respectively and the S9 solenoid valve and the S10 solenoid valve of S8 solenoid valve and series connection on these cascaded structure both sides.
Described partial pressure of oxygen analyser GOA tensimeter and S14 solenoid valve, S12 solenoid valve, S13 solenoid valve be connected into a loop.
S1 solenoid valve, S2 solenoid valve, S3 solenoid valve, S5 solenoid valve, S8 solenoid valve, S10 solenoid valve, S11 solenoid valve, S13 solenoid valve, S14 solenoid valve and S15 solenoid valve are normal off in the described S1-S15 solenoid valve, and all the other are normal open.
The beneficial effects of the utility model are to compare the employed gas circuit structure of similar other testing table, the utility model makes up gas circuit and is provided with rationally, simple in structure, can use with multiple unitized construction, adopting under programme controlled condition, can reduce or stop human error.
Description of drawings
Fig. 1 is the fitting integrated testing table gas circuit structure of an aviation oxygen synoptic diagram.
Embodiment
The utility model proposes the gas circuit structure of the fitting integrated testing table of a kind of aviation oxygen.Illustrated below in conjunction with accompanying drawing.The gas circuit structure of the fitting integrated testing table of aviation oxygen shown in Figure 1 comprises vacuum tank 1, and source of the gas input 2, partial pressure of oxygen analyser 3, simulated lung 4 and flowmeter group 6 constitute; Simulated altitude and pressure reference acquisition port are set, GL2 and GL3 rain glass interface, high-voltage power supply interface, low pressure source interface, Hi-pot test interface, low voltage experiment interface and vacuum tank pressurization interface respectively on vacuum tank 1 circumferential wall; The S2 solenoid valve of the S6 solenoid valve of described flowmeter group import and flowmeter group outlet is connected to the S7 solenoid valve as the simulated lung input end, the common interface of S8 solenoid valve jointly, wherein respectively connect pressure-regulating valve VF1U, pressure-regulating valve VF2U and pressure-regulating valve VF3U of the entrance point of three of flowmeter group 6 flowmeters; Endpiece respectively connect pressure-regulating valve VF1D, pressure-regulating valve VF2D and pressure-regulating valve VF3D, three tandem construction parallels get up to form flowmeter group 6 then, and at flowmeter group two ends again and meet a pressure-regulating valve VF0, flowmeter group import 7 connects the common interface of S1 solenoid valves, S5 solenoid valve and S6 solenoid valve; Flowmeter group outlet 5 connects the common interface of S2 solenoid valve, S3 solenoid valve and S4 solenoid valve.The S10 solenoid valve of simulated lung 4 output terminals, the common interface of S9 solenoid valve are connected with the S13 solenoid valve of partial pressure of oxygen analyser 3, the common interface of S12 solenoid valve, described simulated lung series connection S11 solenoid valve, the S7 solenoid valve of connecting in parallel respectively and the S9 solenoid valve and the S10 solenoid valve of S8 solenoid valve and series connection on these cascaded structure both sides.The low voltage experiment interface of the S14 solenoid valve of partial pressure of oxygen analyser 3, the common interface of S12 solenoid valve and vacuum tank 1 is connected; The loop of partial pressure of oxygen analyser 3 for being connected into by GOA tensimeter, S14 solenoid valve, S12 solenoid valve and S13 solenoid valve.The Hi-pot test interface of vacuum tank 1 connects the GH rain glass and connects the VFL flowmeter by gas flow control valve VF5.
High-voltage power supply interface at vacuum tank 1 connects the GRH tensimeter respectively, the septum valve RH and the first blowdown valve XY1; The low pressure source interface of vacuum tank connects respectively, the common interface of S15 solenoid valve, the first low pressure modulating valve RL1 and the second blowdown valve XY2; The first low pressure modulating valve RL1 is connected with the second low pressure modulating valve RL2, and the second low pressure modulating valve RL2 links together with the S1 solenoid valve of GRL2 tensimeter and the import of flowmeter group again, and the second blowdown valve XY2 is connected with the first filtrator GLQ1 again;
Connect CVF blowdown valve and vacuum tank pressure control valve RCV at vacuum tank pressurization interface, vacuum tank pressure control valve RCV is connected with the common interface of vacuum breaker KV with vacuum source SV, vacuum breaker KV is connected with the S3 solenoid valve common interface of RVF blowdown valve with the outlet of flowmeter group again, and the RVF blowdown valve is connected with the second filtrator GLQ2 again.
S1 solenoid valve, S2 solenoid valve, S3 solenoid valve, S5 solenoid valve, S8 solenoid valve, S10 solenoid valve, S11 solenoid valve, S13 solenoid valve, S14 solenoid valve and S155 solenoid valve are normal off in the described S1-S15 solenoid valve, and all the other are normal open.
Claims (8)
1. the gas circuit structure of the fitting integrated testing table of aviation oxygen is characterized in that, the gas circuit structure of the fitting integrated testing table of described aviation oxygen comprises vacuum tank, and source of the gas input, partial pressure of oxygen analyser, simulated lung and flowmeter group constitute; Simulated altitude and pressure reference acquisition port are set, GL2 and GL3 rain glass interface, high-voltage power supply interface, low pressure source interface, Hi-pot test interface, low voltage experiment interface and vacuum tank pressurization interface respectively on the vacuum tank circumferential wall; The S2 solenoid valve of the S6 solenoid valve of described flowmeter group import and the outlet of flowmeter group is connected to the S7 solenoid valve as the simulated lung input end, the common interface of S8 solenoid valve jointly, the S10 solenoid valve of simulated lung output terminal, the common interface of S9 solenoid valve are connected with the S13 solenoid valve of partial pressure of oxygen analyser, the common interface of S12 solenoid valve, and the low voltage experiment interface of the S14 solenoid valve of partial pressure of oxygen analyser, the common interface of S12 solenoid valve and vacuum tank is connected; The Hi-pot test interface of vacuum tank connects the GH rain glass and connects the VFL flowmeter by gas flow control valve VF5;
The high-voltage power supply interface of described vacuum tank connects the GRH tensimeter respectively, septum valve (RH and first blowdown valve (XY1); The low pressure source interface of vacuum tank connects respectively, the common interface of S15 solenoid valve, first low pressure modulating valve (RL1) and second blowdown valve (XY2); First low pressure modulating valve (RL1) is connected with second low pressure modulating valve (RL2), and second low pressure modulating valve (RL2) links together with the S1 solenoid valve of GRL2 tensimeter and the import of flowmeter group again, and second blowdown valve (XY2) is connected with first filtrator (GLQ1) again;
Described vacuum tank pressurization interface connects CVF blowdown valve and vacuum tank pressure control valve (RCV), vacuum tank pressure control valve (RCV) is connected with the common interface of vacuum source (SV) with vacuum breaker (KV), vacuum breaker (KV) is connected with the S3 solenoid valve common interface of RVF blowdown valve with the outlet of flowmeter group again, and the RVF blowdown valve is connected with second filtrator (GLQ2) again.
2. according to the gas circuit structure of the fitting integrated testing table of the described aviation oxygen of claim 1, it is characterized in that described septum valve (RH) is connected with high-pressure air source (SH).
3. according to the gas circuit structure of the fitting integrated testing table of the described aviation oxygen of claim 1, it is characterized in that described first low pressure modulating valve (RL1) and second low pressure modulating valve (RL2) are connected with low-pressure gas source (SL).
4. according to the gas circuit structure of the fitting integrated testing table of the described aviation oxygen of claim 1, it is characterized in that, described GRL1 tensimeter, S15 solenoid valve and GL1 tensimeter constitute differential manometer, and the GL1 tensimeter connects the S5 solenoid valve of simulated altitude and pressure reference acquisition port, little test leakage preliminary operation changing-over P1 and the import of flowmeter group again.
5. according to the gas circuit structure of the fitting integrated testing table of the described aviation oxygen of claim 1, it is characterized in that, described flowmeter group is composed in parallel by three flowmeter two ends pressure-regulating valve of respectively connecting, and at flowmeter group two ends again and connect a pressure-regulating valve, the import of flowmeter group connects the common interface of S1 solenoid valve, S5 solenoid valve and S6 solenoid valve; The outlet of flowmeter group connects the common interface of S2 solenoid valve, S3 solenoid valve and S4 solenoid valve.
6. according to the gas circuit structure of the fitting integrated testing table of the described aviation oxygen of claim 1, it is characterized in that, described simulated lung series connection S11 solenoid valve, the S7 solenoid valve of connecting in parallel respectively and the S9 solenoid valve and the S10 solenoid valve of S8 solenoid valve and series connection on these cascaded structure both sides.
7. according to the gas circuit structure of the fitting integrated testing table of the described aviation oxygen of claim 1, it is characterized in that, described partial pressure of oxygen analyser GOA tensimeter and S14 solenoid valve, S12 solenoid valve, S13 solenoid valve be connected into a loop.
8. according to the gas circuit structure of the fitting integrated testing table of the described aviation oxygen of claim 1, it is characterized in that, S1 solenoid valve, S2 solenoid valve, S3 solenoid valve, S5 solenoid valve, S8 solenoid valve, S10 solenoid valve, S11 solenoid valve, S13 solenoid valve, S14 solenoid valve and S15 solenoid valve are normal off in the described S1-S15 solenoid valve, and all the other are normal open.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202663449U CN202057505U (en) | 2011-07-26 | 2011-07-26 | Air passage structure of comprehensive test board for aeronautic oxygen accessories |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202663449U CN202057505U (en) | 2011-07-26 | 2011-07-26 | Air passage structure of comprehensive test board for aeronautic oxygen accessories |
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| Publication Number | Publication Date |
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| CN202057505U true CN202057505U (en) | 2011-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202663449U Expired - Fee Related CN202057505U (en) | 2011-07-26 | 2011-07-26 | Air passage structure of comprehensive test board for aeronautic oxygen accessories |
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| CN (1) | CN202057505U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880220A (en) * | 2014-02-28 | 2015-09-02 | 北京谊安医疗系统股份有限公司 | Test system used for breathing products |
| CN113029622A (en) * | 2021-03-01 | 2021-06-25 | 北京航空航天大学 | High-precision aviation simulation lung |
-
2011
- 2011-07-26 CN CN2011202663449U patent/CN202057505U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880220A (en) * | 2014-02-28 | 2015-09-02 | 北京谊安医疗系统股份有限公司 | Test system used for breathing products |
| CN113029622A (en) * | 2021-03-01 | 2021-06-25 | 北京航空航天大学 | High-precision aviation simulation lung |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING FENGRONG AVIATION TECHNOLOGY CO., LTD. Free format text: FORMER NAME: FENGRONG AVIATION SCIENCE TECHNOLOGY (BEIJING) CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 101300 Shunyi District Shunyi color Garden Industrial Zone Beijing Beijing Rong Rong Aviation Technology Co., Ltd. Patentee after: BEIJING FENGRONG AVIATION TECHNOLOGY CO., LTD. Address before: 101300 Shunyi District Shunyi color Garden Industrial Zone Beijing Beijing Rong Rong Aviation Technology Co., Ltd. Patentee before: Fengrong Aviation Science Technology (Beijing) Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111130 Termination date: 20190726 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |