CN203837908U - Pre-cooling valve experiment device - Google Patents
Pre-cooling valve experiment device Download PDFInfo
- Publication number
- CN203837908U CN203837908U CN201420266770.6U CN201420266770U CN203837908U CN 203837908 U CN203837908 U CN 203837908U CN 201420266770 U CN201420266770 U CN 201420266770U CN 203837908 U CN203837908 U CN 203837908U
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- Prior art keywords
- valve
- precooling
- sensor
- test
- casing
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- 238000001816 cooling Methods 0.000 title abstract 6
- 238000002474 experimental method Methods 0.000 title abstract 2
- 238000012360 testing method Methods 0.000 claims abstract description 67
- 238000006243 chemical reaction Methods 0.000 claims abstract description 15
- 238000011990 functional testing Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012956 testing procedure Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The utility model discloses a pre-cooling valve experiment device comprising a box body which is internally provided with an AC/DC conversion power supply. The output end of the conversion power supply is respectively connected with a first display instrument and a second display instrument. The first display instrument is connected with a first sensor. The second display instrument is connected with a second sensor. The box body is also provided with a reversing valve, a regulating valve and a tested pre-cooling valve test interface. One side of the reversing valve is provided with an air inlet which is connected with the tested pre-cooling valve test interface. A first air outlet of the other side of the reversing valve is connected with the first sensor via a flow-limiting hole calibration test pipeline. A second air outlet is connected with the second sensor via a function test pipeline. The regulating valve is also connected in series on the function test pipeline. A pre-cooling valve flow-limiting hole calibration test and a function test are integrated by the device so that the pre-cooling valve test process is simplified, operation is simple, great man-machine interactivity is realized, maintenance work efficiency is enhanced and safety and reliability of the test process are enhanced.
Description
Technical field
The utility model relates to precooling valve test pipeline case, belongs to aircarrier aircraft annex maintenance technique field, relates in particular to a kind of precooling valve experimental provision.
Background technology
Precooling valve belongs to aeroengine system, and precooler is controlled valve and is used for the air of control engine by-pass air duct to the air mass flow of precooler, regulates the bleed temperature of engine.At present, while utilizing classic method to carry out metering hole calibration testing and functional test to precooling valve, because test module is easy, dispersion, there is no special-purpose integrated chamber, so the preliminary work before loaded down with trivial details testing procedure and test makes to test pipeline complexity, cause the generation of unseaworthiness factor, inefficiency, security is poor.
Utility model content
The utility model object is, overcomes defect of the prior art, provides a kind of precooling valve integrated, that can simplify test process to test pipeline case.
For achieving the above object, the technical solution adopted in the utility model is to provide a kind of precooling valve experimental provision, it is characterized in that, described device comprises casing, in casing, be provided with general supply, general supply is AC/DC conversion electric power, the output terminal of conversion electric power is connected with the second Displaying Meter with the first Displaying Meter respectively, the first Displaying Meter is connected with first sensor, the second Displaying Meter is connected with the second sensor, is also provided with reversal valve, variable valve, tested precooling valve test interface on casing; One side of reversal valve is provided with an air intake opening, air intake opening is connected with tested precooling valve test interface, the opposite side of reversal valve is provided with two gas outlets, wherein the first gas outlet is connected with first sensor by metering hole calibration testing pipeline, the second gas outlet is connected with the second sensor by functional test pipeline, and variable valve is also serially connected on functional test pipeline.
Wherein preferred technical scheme is that the input end of described AC/DC conversion electric power is connected with AC power by master switch, and master switch is arranged on the front panel of casing.
Preferred technical scheme also has, and described reversal valve is hand-operated direction valve, and variable valve is also manual modulation valve.
Preferred technical scheme also has, and the output voltage of the output terminal of described conversion electric power is 24V direct current.
Preferred technical scheme also has, and described the first display instrument, the second display instrument, reversal valve, variable valve and tested precooling valve test interface are all arranged on the front panel of casing, are also provided with spare interface on the front panel of casing.
Preferred technical scheme also has, and described casing is 6U cabinet.
Preferred technical scheme also has, and described the first Displaying Meter and the second Displaying Meter are digital displaying meter.
Preferred technical scheme also has, and described first sensor and the second sensor are baroceptor.
Preferred technical scheme also has, and the caliber of described metering hole calibration testing pipeline is 2.03mm.
Advantage of the present utility model and beneficial effect are that this precooling valve experimental provision is integrated the metering hole calibration testing of precooling valve and functional test set, has greatly simplified the test process of precooling valve, simple to operate, has good man-machine interaction.Improve maintenance job efficiency, effectively reduced maintenance cycle, cost and human error's occurrence probability, improved the safety and reliability of test process.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of precooling valve test pipeline case described in the utility model;
Fig. 2 is the pneumatic diagram of precooling valve test pipeline case described in the utility model;
Fig. 3 is the example structure schematic diagram of precooling valve testing cassete described in the utility model.
In figure: 1-casing, 2-general supply, the aobvious instrument of 3-first, the aobvious instrument of 4-second, 5-first sensor, 6-the second sensor, 7-reversal valve, 7.1-air intake opening, 7.2-the first gas outlet, 7.3-the second gas outlet, 8-variable valve, the tested precooling valve of 9-test interface, 10-metering hole calibration testing pipeline, 11-functional test pipeline, 12-master switch, 13-spare interface.
Embodiment
Shown in Fig. 1 to Fig. 3, for the utility model is a kind of precooling valve experimental provision, this device comprises casing 1, in casing, be provided with general supply 2, general supply 2 is AC/DC conversion electric power, and the output terminal of conversion electric power is connected with the second Displaying Meter 4 with the first Displaying Meter 3 respectively, and the first Displaying Meter 3 is connected with first sensor 5, the second Displaying Meter 4 is connected with the second sensor 6, is also provided with reversal valve 7, variable valve 8, tested precooling valve test interface 9 on casing 1; One side of reversal valve 7 is provided with an air intake opening 7.1, air intake opening 7.1 is connected with tested precooling valve test interface 9, the opposite side of reversal valve 7 is provided with two gas outlets, wherein the first gas outlet 7.2 is connected with first sensor 5 by metering hole calibration testing pipeline 10, the second gas outlet 7.3 is connected with the second sensor 6 by functional test pipeline 11, and variable valve 8 is also serially connected on functional test pipeline 11.
In the utility model, preferred embodiment is that the input end of described AC/DC conversion electric power is connected with AC power by master switch 12, and master switch 12 is arranged on the front panel of casing 1.
In the utility model, preferred embodiment also has, and described reversal valve 7 is hand-operated direction valve, and variable valve 8 is also manual modulation valve.
In the utility model, preferred embodiment also has, and the output voltage of the output terminal of described conversion electric power is 24V direct current.
In the utility model, preferred embodiment also has, described the first display instrument 3, the second display instrument 4, reversal valve 7, variable valve 8 and tested precooling valve test interface 9 are all arranged on the front panel of casing 1, are also provided with spare interface 13 on the front panel of casing 1.
In the utility model, preferred embodiment also has, and described casing 1 is 6U cabinet.
In the utility model, preferred embodiment also has, and described the first Displaying Meter 3 and the second display instrument 4 tables are digital displaying meter.
In the utility model, preferred embodiment also has, and described first sensor 5 and the second sensor 7 are baroceptor.
In the utility model, preferred embodiment also has, and the caliber of described metering hole calibration testing pipeline 10 is 2.03mm.
Embodiment 1
Fig. 1 is to Figure 3 shows that a kind of precooling valve experimental provision described in the utility model, aobvious instrument the 3, the second aobvious instrument 4 of master switch 12, first, reversal valve 7, tested precooling valve test interface 9, variable valve 8 and the spare interface 13 of 220VAC power supply are installed on the panel of the casing 1 of this device.The precooling valve of the following piece number that unit under test Wei Yuan manufacturer is Honeywell: 3289562-1,3289562-2,3289562-3,3289562-4,3289562-5,3289562-6,3289562-7.
The master switch 12 of above-mentioned 220V power supply, hand-operated direction valve 7, manual modulation valve 8, tested precooling valve test interface 9, the first display instrument 3, the second display instruments 4 are installed on the front panel of casing 1; The master switch 12 of power supply is for controlling the general supply of precooling valve test unit, the first display instrument 3 and the second display instrument 4 by first sensor 5 and the second sensor 6 for showing the test pressure that carries out metering hole calibration testing, the second display instrument 4 is for showing the test pressure that carries out functional test, hand-operated direction valve 7 is for manual switchover metering hole calibration testing pipeline 10 and functional test pipeline 11, to carry out different tests.Tested precooling valve test interface 9 is for being connected to unit under test by precooling valve test pipeline case.Manual modulation valve 8 is for controlling the break-make of gas circuit when the functional test.Spare interface 13 is that reserved spare interface is so that transformation afterwards.
Concrete test process is as follows:
Precooling valve test unit is connected with tested precooling valve.220VAC, 50Hz AC power are provided to precooling valve test unit.Press the master switch 12 of power supply.
Source of the gas is provided to tested precooling valve, by 220VAC power supply, provides 24V direct supply for AC/DC conversion electric power, by this direct supply, provide power supply for pressure transducer and digital displaying meter.When not pressing hand-operated direction valve 7, test gas circuit is functional test gas circuit, and tested precooling valve can carry out functional test.By regulating manual modulation valve 8, can control the pressure of gas circuit, by the pressure in the second aobvious instrument 4 and the second pressure transducer 6 Presentation Function test in real time pipeline 11, regulate manual modulation valve 8, make functional test pipeline 11 meet the requirements of different pressures, by observing the state status of tested precooling valve under different pressures, complete functional test.
If press hand-operated direction valve 7, to test pipeline and switch to metering hole calibration testing pipeline 10, tested precooling valve carries out metering hole calibration testing.Pressure in metering hole calibration testing pipeline 10 is limited by a 2.03mm diameter metering hole, the pressure that shows in real time metering hole calibration testing pipeline 10 by first instrument 3 and the first pressure transducer 5, according to precooling valve handbook, test after adjusting, shown test pressure will meet the demands, and complete metering hole calibration testing.
If above-mentioned test operation does not obtain correct test result, illustrate that unit under test exists corresponding failure.The possible cause of fault can judge and get rid of according to concrete phenomenon of the failure.
The utility model is not limited to above-mentioned embodiment, those skilled in the art make to any apparent improvement of above-mentioned embodiment or change, can not exceed the protection domain of design of the present utility model and claims.
Claims (9)
1. a precooling valve experimental provision, it is characterized in that, described device comprises casing, in casing, be provided with general supply, general supply is AC/DC conversion electric power, and the output terminal of conversion electric power is connected with the second Displaying Meter with the first Displaying Meter respectively, and the first Displaying Meter is connected with first sensor, the second Displaying Meter is connected with the second sensor, is also provided with reversal valve, variable valve, tested precooling valve test interface on casing; One side of reversal valve is provided with an air intake opening, air intake opening is connected with tested precooling valve test interface, the opposite side of reversal valve is provided with two gas outlets, wherein the first gas outlet is connected with first sensor by metering hole calibration testing pipeline, the second gas outlet is connected with the second sensor by functional test pipeline, and variable valve is also serially connected on functional test pipeline.
2. precooling valve experimental provision as claimed in claim 1, is characterized in that, the input end of described AC/DC conversion electric power is connected with AC power by master switch, and master switch is arranged on the front panel of casing.
3. precooling valve experimental provision as claimed in claim 1, is characterized in that, described reversal valve is hand-operated direction valve, and variable valve is also manual modulation valve.
4. precooling valve experimental provision as claimed in claim 1, is characterized in that, the output voltage of the output terminal of described conversion electric power is 24V direct current.
5. precooling valve experimental provision as claimed in claim 1, it is characterized in that, described the first display instrument, the second display instrument, reversal valve, variable valve and tested precooling valve test interface are all arranged on the front panel of casing, are also provided with spare interface on the front panel of casing.
6. precooling valve experimental provision as claimed in claim 1, is characterized in that, described casing is 6U cabinet.
7. precooling valve experimental provision as claimed in claim 1, is characterized in that, described the first Displaying Meter and the second Displaying Meter are digital displaying meter.
8. precooling valve experimental provision as claimed in claim 1, is characterized in that, described first sensor and the second sensor are baroceptor.
9. precooling valve experimental provision as claimed in claim 1, is characterized in that, the caliber of described metering hole calibration testing pipeline is 2.03mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420266770.6U CN203837908U (en) | 2014-05-23 | 2014-05-23 | Pre-cooling valve experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420266770.6U CN203837908U (en) | 2014-05-23 | 2014-05-23 | Pre-cooling valve experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203837908U true CN203837908U (en) | 2014-09-17 |
Family
ID=51515733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420266770.6U Expired - Lifetime CN203837908U (en) | 2014-05-23 | 2014-05-23 | Pre-cooling valve experiment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203837908U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548464A (en) * | 2015-12-04 | 2016-05-04 | 重庆市荣冠科技有限公司 | Gas sensor calibration device and calibration method |
| CN106768941A (en) * | 2016-12-15 | 2017-05-31 | 南通华夏飞机工程技术股份有限公司 | Outflow safety valve device for testing functions |
| 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 |
-
2014
- 2014-05-23 CN CN201420266770.6U patent/CN203837908U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548464A (en) * | 2015-12-04 | 2016-05-04 | 重庆市荣冠科技有限公司 | Gas sensor calibration device and calibration method |
| CN106768941A (en) * | 2016-12-15 | 2017-05-31 | 南通华夏飞机工程技术股份有限公司 | Outflow safety valve device for testing functions |
| CN106768941B (en) * | 2016-12-15 | 2019-07-09 | 南通华夏飞机工程技术股份有限公司 | Outflow safety valve device for testing functions |
| 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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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |