CN112504642A - Test bed for adjusting device and manufacturing and performance test method thereof - Google Patents
Test bed for adjusting device and manufacturing and performance test method thereof Download PDFInfo
- Publication number
- CN112504642A CN112504642A CN202011240316.XA CN202011240316A CN112504642A CN 112504642 A CN112504642 A CN 112504642A CN 202011240316 A CN202011240316 A CN 202011240316A CN 112504642 A CN112504642 A CN 112504642A
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- valuator
- pressure
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- 238000012360 testing method Methods 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 title claims abstract description 6
- 238000011056 performance test Methods 0.000 title abstract description 4
- 210000003437 trachea Anatomy 0.000 claims description 10
- 238000012938 design process Methods 0.000 claims description 3
- 230000003750 conditioning effect Effects 0.000 claims 4
- 238000010998 test method Methods 0.000 claims 4
- 238000013079 data visualisation Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/60—Testing or inspecting aircraft components or systems
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Transportation (AREA)
- Aviation & Aerospace Engineering (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to the field of airplane environment control systems, in particular to a test bed for an adjusting device and a manufacturing and performance test method thereof. The method comprises the following specific steps: s1: detecting whether the pressure, flow, time control and switch indication connection is correct or not; s2: inputting pressure; s3: setting the testing time; s4: simulating the state of the airplane; s5: distributing gas sources; by the invention and the valve switching time test bed, the on-machine state of the tested piece can be accurately simulated.
Description
Technical Field
The invention relates to the field of airplane environment control systems, in particular to a test bed for an adjusting device and a manufacturing and performance test method thereof.
Background
The regulating device belongs to the product of an airplane environment control system, and mainly automatically regulates the resistance of a non-airtight cabin air supply pipeline under various working states of an airplane, and reasonably distributes the air flow between an airtight cabin and a non-airtight instrument cabin. The product cannot be accurately measured due to small control pressure in a test for simulating the aircraft environment, the repeatability of data is poor, the product quality cannot be guaranteed, and meanwhile, signal indication cannot be provided according to the requirements of the aircraft.
Disclosure of Invention
In order to solve the problems, the invention provides a test bed for an adjusting device and a manufacturing and performance testing method thereof.
The utility model provides a be used for adjusting device test bench, includes total pressure air supply, total pressure air supply on divide into two way air supplies through the trachea, wherein be provided with on the air supply of the same kind relief pressure valve one, with the first valuator that is connected through the trachea of relief pressure valve, be provided with on another way air supply relief pressure valve two, with two way trachea respectively be connected valuator two, valuator three, valuator two pass through the trachea and the first entry linkage of switching-over valve, valuator two pass through the second entry linkage of trachea and switching-over valve, the exit linkage of this switching-over valve is surveyed on the piece.
A manufacturing and performance testing method for a test bed of an adjusting device comprises the following specific steps:
s1: detecting whether the pressure, flow, time control and switch indication connection is correct or not;
s2: input pressure: selecting a constant value device component to control the input pressure of a tested piece according to the action posture of the tested piece on the airplane in the design process of the test bed;
s3: setting the closing and opening pressure and the closing and opening time of a tested piece;
s4: simulating the state of the airplane, and adjusting the position precision of a valve in the device by adding a digital display second meter and an airplane indicator light;
s5: gas source distribution: and after the total pressure air source enters the test bed, the pressure is reduced through the first pressure reducing valve and the second pressure reducing valve, and then the total pressure air source is divided into two paths, and the performance of the tested piece is adjusted through the comparison of the two paths of pressure.
The valuator components of step S2 are valuator one, valuator two, and valuator three.
The input pressure accuracy of the setter component of the step S2 needs to reach 0.01 Kpa.
One path of the two paths of total pressure air sources in the step S5 is used for feeding air to one path of the tested piece through the first pressure regulator with the pressure adjusted to 0.3MPa, and the other path is used for feeding air to the other path of the tested piece through the second pressure regulator and the third pressure regulator with the pressure adjusted to 0.05-0.1 MPa.
The invention has the beneficial effects that: the valve switching time test bed can accurately simulate the on-machine state of a tested piece, accurately control the closing and opening pressure and the closing and opening time of the tested piece, accurately control the air inlet pressure of a product by adding a valuator assembly in the design of the test bed, and simultaneously add a digital display stopwatch and an airplane indicator lamp to completely simulate the action state of an adjusting device on an airplane, effectively improve the data precision and performance data visualization of the tested piece, improve the testing method of the adjusting device, improve the precision of testing data and the working efficiency of testing the piece, and reduce the cost of repeated tests.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic diagram of the principle structure of the test bed of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below.
As shown in fig. 1, a test bed for an adjusting device comprises a total pressure air source 1, wherein the total pressure air source 1 is divided into two air sources through air pipes, one air source is provided with a first pressure reducing valve 2, and a first valuator 3 connected with the first pressure reducing valve 2 through the air pipes, the other air source is provided with a second pressure reducing valve 4, a second valuator 5 and a third valuator 7 respectively connected with the second pressure reducing valve 4 through two air pipes, the second valuator 5 is connected with a first inlet 8a of a reversing valve 8 through the air pipes, the second valuator 5 is connected with a second inlet 8b of the reversing valve 8 through the air pipes, and an outlet of the reversing valve 8 is connected to a tested piece 6.
The air pipe is also provided with a digital display stopwatch and an airplane indicator light for simulating the action state of the adjusting device on the airplane.
The valve switching time test bed can accurately simulate the on-machine state of the tested piece 6, accurately control the closing and opening pressure and the closing and opening time of the tested piece 6, accurately control the air inlet pressure of a product by adding a valuator component in the design of the test bed, and simultaneously add a digital display stopwatch and an airplane indicator lamp to completely simulate the action state of an adjusting device on an airplane, effectively improve the data precision and the performance data visualization of the tested piece 6, improve the testing method of an adjusting device, improve the precision of testing data and the working efficiency of the tested piece 6 test, and reduce the repeated test cost.
A manufacturing and performance testing method for a test bed of an adjusting device comprises the following specific steps:
s1: detecting whether the pressure, flow, time control and switch indication connection is correct or not;
s2: input pressure: in the design process of the test bed, according to the action posture of a tested part 6 on the airplane, a valuator assembly is selected to control the input pressure of the tested part 6;
s3: setting the closing and opening pressure and the closing and opening time of the tested piece 6;
s4: simulating the state of the airplane, and adjusting the position precision of a valve in the device by adding a digital display second meter and an airplane indicator light;
s5: gas source distribution: and after entering the test bed, the total pressure air source is decompressed through the first pressure reducing valve 2 and the second pressure reducing valve 4 and then divided into two paths, and the performance of the tested piece 6 is adjusted through pressure comparison of the two paths.
The valuator components of step S2 are valuator one 3, valuator two 5 and valuator three 7.
The input pressure accuracy of the setter component of the step S2 needs to reach 0.01 Kpa.
The valuator component selects a precision air pressure regulating valve of Bellofram company imported from America.
One path of the two paths of total pressure air sources in the step S5 is used for adjusting the pressure to be 0.3MPa through the first valuator 3 to supply air to one path of the tested piece 6, and the other path is used for adjusting the pressure tail to be 0.05-0.1MPa through the second valuator 5 and the third valuator 7 to supply air to the other path of the tested piece 6.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A test bench for adjusting devices, comprising a total pressure air source (1), characterized in that: total pressure air supply (1) on divide into two way air supplies through the trachea, wherein be provided with on the air supply of one way pressure reducing valve (2), with first (2) valuator one (3) of being connected through the trachea of pressure reducing valve, be provided with on the air supply of another way pressure reducing valve two (4), with two (4) valuator two (5), the valuator three (7) of being connected respectively through two trachea, valuator two (5) be connected through trachea and first entry (8a) of switching-over valve (8), valuator three (7) be connected through second entry (8b) of trachea and switching-over valve (8), the exit linkage of this switching-over valve (8) is on being surveyed piece (6).
2. A test method for conditioning device test stand fabrication and performance according to claim 1, characterized by: the method comprises the following specific steps:
s1: detecting whether the pressure, flow, time control and switch indication connection is correct or not;
s2: input pressure: in the design process of the test bed, a fixed value device component is selected to control the input pressure of a tested piece (6) according to the action posture of the tested piece (6) on the airplane;
s3: setting the closing and opening pressure and the closing and opening time of a tested piece (6);
s4: simulating the state of the airplane, and adjusting the position precision of a valve in the device by adding a digital display second meter and an airplane indicator light;
s5: gas source distribution: the total pressure air source is decompressed through the first pressure reducing valve (2) and the second pressure reducing valve (4) after entering the test bed, and then is divided into two paths, and the performance of the tested piece (6) is adjusted through the comparison of the two paths of pressure.
3. A method of manufacturing and testing the performance of a conditioning apparatus test stand according to claim 2, wherein: the valuator components of step S2 are valuator one (3), valuator two (5), and valuator three (7).
4. A method of manufacturing and testing the performance of a conditioning apparatus test stand according to claim 2, wherein: the input pressure accuracy of the setter component of the step S2 needs to reach 0.01 Kpa.
5. A method of manufacturing and testing the performance of a conditioning apparatus test stand according to claim 2, wherein: and (S5) adjusting the pressure of one of the two total pressure air sources to 0.3MPa through the first valuator (3) to supply air to one path of the tested piece (6), and adjusting the pressure of the other path to 0.05-0.1MPa through the second valuator (5) and the third valuator (7) to supply air to the other path of the tested piece (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011240316.XA CN112504642A (en) | 2020-11-09 | 2020-11-09 | Test bed for adjusting device and manufacturing and performance test method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011240316.XA CN112504642A (en) | 2020-11-09 | 2020-11-09 | Test bed for adjusting device and manufacturing and performance test method thereof |
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| CN112504642A true CN112504642A (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011240316.XA Pending CN112504642A (en) | 2020-11-09 | 2020-11-09 | Test bed for adjusting device and manufacturing and performance test method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203732250U (en) * | 2013-12-31 | 2014-07-23 | 芜湖双翼航空装备科技有限公司 | Instrument used for test control of aircraft air-conditioning system component |
| WO2016169750A1 (en) * | 2015-04-24 | 2016-10-27 | Lufthansa Technik Ag | Device for equalizing a pressure difference for an airplane |
| CN111076863A (en) * | 2020-03-04 | 2020-04-28 | 东营职业学院 | Intelligent differential pressure transmitter calibration system |
-
2020
- 2020-11-09 CN CN202011240316.XA patent/CN112504642A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203732250U (en) * | 2013-12-31 | 2014-07-23 | 芜湖双翼航空装备科技有限公司 | Instrument used for test control of aircraft air-conditioning system component |
| WO2016169750A1 (en) * | 2015-04-24 | 2016-10-27 | Lufthansa Technik Ag | Device for equalizing a pressure difference for an airplane |
| CN111076863A (en) * | 2020-03-04 | 2020-04-28 | 东营职业学院 | Intelligent differential pressure transmitter calibration system |
Non-Patent Citations (2)
| Title |
|---|
| 李跃东 等: "高温高压大流量气压调节关断活门测试系统的设计", 《液压与气动》 * |
| 鄢杰: "飞机大流量气压附件综合测试系统的设计", 《机床与液压》 * |
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Application publication date: 20210316 |
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