CN204214638U - A kind of outflow valve test board - Google Patents
A kind of outflow valve test board Download PDFInfo
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- CN204214638U CN204214638U CN201420568678.5U CN201420568678U CN204214638U CN 204214638 U CN204214638 U CN 204214638U CN 201420568678 U CN201420568678 U CN 201420568678U CN 204214638 U CN204214638 U CN 204214638U
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Abstract
A kind of outflow valve test board, comprising: supporting tooling, connection line, control circuit, signal processing circuit, feedback circuit, industrial computer and power supply.Product to be tested is positioned on supporting tooling, product to be tested is connected with control circuit by connection line, the input end of control circuit is connected with the output terminal of signal processing circuit, signal processing circuit is connected with feedback circuit and industrial computer, the input end of feedback circuit is connected with product to be tested, and power supply is connected with industrial computer.Wherein, supporting tooling comprises: testboard bay, gas-tight silo, tensimeter, joint flange, connecting hose, flowmeter, variable valve and vacuum compressor.The utility model has filled up the domestic blank about the test of aircraft outflow valve, and rationally detected the leakage of outflow valve and expanded angle problem by the scheme of autonomous Design, cost is not high but effect is fine.
Description
Technical field
The utility model relates to a kind of test board, is specifically related to a kind of outflow valve test board.
Background technology
The outflow valve that NORD-MICRO company produces is installed on Boeing-737 series aircraft, for regulating the air pressure in main cabin.Outflow valve mainly needs the index of testing to comprise open angle test, reveal test and voltage-withstand test.Traditional testing apparatus only has external examination, cost intensive, complicated operation, and domestic at present also without any the equipment that can replace.Which results in the raising of enterprise overall operation cost and the reduction of efficiency.
In order to address this problem, need to research and develop a kind of test board in order to test outflow valve.
Utility model content
The purpose of this utility model is, provides a kind of outflow valve test board, to overcome the above-mentioned shortcoming and defect existing for prior art.
A kind of outflow valve test board, it is characterized in that, comprise: supporting tooling, connection line, control circuit, signal processing circuit, feedback circuit, industrial computer and power supply, described supporting tooling is placed with product to be tested, described product to be tested is connected with control circuit by connection line, the input end of described control circuit is connected with the output terminal of signal processing circuit, described signal processing circuit is connected with feedback circuit and industrial computer, the input end of described feedback circuit is connected with product to be tested, and described power supply is connected with industrial computer;
Wherein, described supporting tooling comprises: testboard bay, gas-tight silo, tensimeter, joint flange, first voltage supply flexible pipe, second voltage supply flexible pipe, flowmeter, variable valve and vacuum compressor, described testboard bay is provided with gas-tight silo, described gas-tight silo is provided with product to be tested, described tensimeter is connected with gas-tight silo, one end of described first voltage supply flexible pipe is connected with gas-tight silo, the other end of described first voltage supply flexible pipe is connected with flowmeter, the junction of described first voltage supply flexible pipe and gas-tight silo and flowmeter is provided with joint flange, described flowmeter is connected with vacuum compressor by the second voltage supply flexible pipe, described variable valve is located on the second voltage supply flexible pipe.
Further, be connected with angel measuring instrument in described product to be tested, described angel measuring instrument is connected with feedback circuit.
Further, described connection line comprises: signal input cable and signals collecting cable, and described signal input cable connects product to be tested and control circuit, and described signals collecting cable connects product to be tested and feedback circuit.
Further, described signal processing circuit comprises: Signal reception interface, signaling conversion circuit, signal output, one end of described Signal reception interface is connected with industrial computer, the other end of described Signal reception interface is connected with signaling conversion circuit, described signaling conversion circuit is connected with signal output interface, and described signal transmission interface is connected with control circuit.
The beneficial effects of the utility model:
The utility model structure is simple, and easy to operate, a set of equipment can perform three kinds of tests, greatly saves production cost and operation cost.
Accompanying drawing explanation
Fig. 1 is structural drawing of the present utility model.
Fig. 2 is the structural drawing of supporting tooling.
Reference numeral:
Product to be tested 100, control circuit 400, feedback circuit 600, industrial computer 700, power supply 800 and angel measuring instrument 900.
Supporting tooling 200, testboard bay 210, gas-tight silo 220, tensimeter 230, joint flange 240, first voltage supply flexible pipe 250, second voltage supply flexible pipe 260, flowmeter 270, variable valve 280 and vacuum compressor 290.
Connection line 300, signal input cable 310 and signals collecting cable 320.
Signal processing circuit 500, Signal reception interface 510, signaling conversion circuit 520 and signal output 530.
Embodiment
Below in conjunction with specific embodiment, progressive explanation is done to the utility model.Should be understood that following examples only for illustration of the utility model but not for limiting scope of the present utility model.
Embodiment 1
Fig. 1 is structural drawing of the present utility model.Fig. 2 is the structural drawing of supporting tooling.
As shown in Figure 1, a kind of outflow valve test board comprises: supporting tooling 200, connection line 300, control circuit 400, signal processing circuit 500, feedback circuit 600, industrial computer 700 and power supply 800, supporting tooling 200 is placed with product to be tested 100, product to be tested 100 is connected with control circuit 400 by connection line 300, the input end of control circuit 400 is connected with the output terminal of signal processing circuit 500, signal processing circuit 500 is connected with feedback circuit 600 and industrial computer 700, the input end of feedback circuit 600 is connected with product to be tested 100, power supply 800 is connected with industrial computer 700,
As shown in Figure 2, wherein, supporting tooling 200 comprises: testboard bay 210, gas-tight silo 220, tensimeter 230, joint flange 240, first voltage supply flexible pipe 250, second voltage supply flexible pipe 260, flowmeter 270, variable valve 280 and vacuum compressor 290, testboard bay 210 is provided with gas-tight silo 220, gas-tight silo 220 is provided with product to be tested 100, tensimeter 230 is connected with gas-tight silo 220, one end of first voltage supply flexible pipe 250 is connected with gas-tight silo 220, the other end of the first voltage supply flexible pipe 250 is connected with flowmeter 270, first voltage supply flexible pipe 250 is provided with joint flange 240 with the junction of gas-tight silo 220 and flowmeter 270, flowmeter 270 is connected with vacuum compressor 290 by the second voltage supply flexible pipe 260, variable valve 280 is located on the second voltage supply flexible pipe 260.
Be connected with angel measuring instrument 900 in product to be tested 100, angel measuring instrument 900 is connected with feedback circuit 600.Angel measuring instrument 900 is built in the surveying instrument in product to be tested 100, is the instrument tested its open angle, obtained the voltage signal of angle information, then convert the signal into readable signal by angel measuring instrument 900.
Connection line 300 comprises: signal input cable 310 and signals collecting cable 320, and signal input cable 310 connects product to be tested 100 and control circuit 400, and signals collecting cable 320 connects product to be tested 100 and feedback circuit 600.
Signal processing circuit 500 comprises: Signal reception interface 510, signaling conversion circuit 520, signal output 530, one end of Signal reception interface 510 is connected with industrial computer 700, the other end of Signal reception interface 510 is connected with signaling conversion circuit 520, signaling conversion circuit 520 is connected with signal output interface 530, and signal transmission interface 530 is connected with control circuit 400.
Principle of work of the present utility model is by industrial computer driving circuits, provide the action command of outflow valve, the result of the action of outflow valve is monitored, the result of the action and action command are compared, and provides indicating fault when both there are differences.
Specifically, automatic electronic equipment of the present utility model comprises: connection line 300, control circuit 400, signal processing circuit 500, feedback circuit 600, industrial computer 700 and power supply 800.Power from power source 800 of the present utility model is supplied, and is directly transferred to the device feature of whole test board by industrial computer 700.Industrial computer is connected by signal input cable 310 and signals collecting cable 320 and the product to be tested 100-valve that outflows.The function of signal processing circuit 500 RS232 signal is converted to by signaling conversion circuit 520 the RS422 signal that product to be tested 100 can receive, be transferred in the driving circuit of product to be tested 100 by control circuit 400 and signal input cable 310 again, the angle voltage signal that feedback circuit 600 primary responsibility receiving angle measuring instrument 900 feeds back also indicates this voltage signal, feedback circuit 600 receives the feedback signal of angel measuring instrument 900 and is converted into readable information, by industrial computer 700, the angle command that angle information and operator are assigned at first is compared simultaneously, if when both there are differences, provide indicating fault.
Test of the present utility model mainly utilizes supporting tooling 200, comprises three kinds of tests: the test of outflow valve open angle, voltage-withstand test and leak-testing.The test of outflow valve open angle is to product to be tested 100 input switch signal by industrial computer 700, first standard-sized sheet test is carried out, product to be tested 100 after opening completely can stop motor, then tested by angel measuring instrument 900, test result is fed back to industrial computer 700 by angel measuring instrument 900, generally speaking need to accomplish that 122 ° just meet the requirements, if do not met, industrial computer 700 can give the alarm.In like manner, product to be tested 100 can be required to close completely and test afterwards, if test result does not meet the regulation of-5 °, then can report to the police equally.
Voltage-withstand test principle: the gas-tight silo 220 product to be tested 100 being in full closing state being installed to testboard bay 210, start vacuum compressor voltage supply 290, then variable valve 280 is regulated and controled, supply specific voltage-withstand test pressure to gas-tight silo 220 by the first voltage supply flexible pipe 250 and the second voltage supply flexible pipe 260, this pressure is indicated by tensimeter 230, after pressure stabilisation, observe the state of product to be tested 100 under resistance to pressure pressure.In the present embodiment, then to outflow valve pressurization 1172 ± 7mbar (17.0 ± 0.1psi) being in closed condition, at least keep 1 minute, just qualified.
Leak-testing principle: the gas-tight silo 220 product to be tested 100 being in full closing state being installed to testboard bay 210, start vacuum compressor voltage supply 290, then variable valve 280 is regulated and controled, supply specific leak-testing pressure to gas-tight silo 220 by the first voltage supply flexible pipe 250 and the second voltage supply flexible pipe 260, pressure is indicated by tensimeter 230, after pressure stabilisation, leak as product exists, then can read leakage flow by flowmeter 270.In the present embodiment, under the status of criterion (atmospheric pressure 1013mbar, temperature 21 DEG C), leakage rate answers≤40g/sec (2000LPM), just qualified.
Be illustrated embodiment of the present utility model above, but the utility model is not as limit, only otherwise depart from aim of the present utility model, the utility model can also have various change.
Claims (4)
1. an outflow valve test board, it is characterized in that, comprise: supporting tooling (200), connection line (300), control circuit (400), signal processing circuit (500), feedback circuit (600), industrial computer (700) and power supply (800), described supporting tooling (200) is placed with product to be tested (100), described product to be tested (100) is connected with control circuit (400) by connection line (300), the input end of described control circuit (400) is connected with the output terminal of signal processing circuit (500), described signal processing circuit (500) is connected with feedback circuit (600) and industrial computer (700), the input end of described feedback circuit (600) is connected with product to be tested (100), described power supply (800) is connected with industrial computer (700),
Wherein, described supporting tooling (200) comprising: testboard bay (210), gas-tight silo (220), tensimeter (230), joint flange (240), first voltage supply flexible pipe (250), second voltage supply flexible pipe (260), flowmeter (270), variable valve (280) and vacuum compressor (290), described testboard bay (210) is provided with gas-tight silo (220), described gas-tight silo (220) is provided with product to be tested (100), described tensimeter (230) is connected with gas-tight silo (220), one end of described first voltage supply flexible pipe (250) is connected with gas-tight silo (220), the other end of described first voltage supply flexible pipe (250) is connected with flowmeter (270), described first voltage supply flexible pipe (250) is provided with joint flange (240) with the junction of gas-tight silo (220) and flowmeter (270), described flowmeter (270) is connected with vacuum compressor (290) by the second voltage supply flexible pipe (260), described variable valve (280) is located on the second voltage supply flexible pipe (260).
2. one outflow valve test board according to claim 1, it is characterized in that: be connected with angel measuring instrument (900) in described product to be tested (100), described angel measuring instrument (900) is connected with feedback circuit (600).
3. one outflow valve test board according to claim 1, it is characterized in that: described connection line (300) comprising: signal input cable (310) and signals collecting cable (320), described signal input cable (310) connects product to be tested (100) and control circuit (400), and described signals collecting cable (320) connects product to be tested (100) and feedback circuit (600).
4. one outflow valve test board according to claim 1, it is characterized in that: described signal processing circuit (500) comprising: Signal reception interface (510), signaling conversion circuit (520), signal output (530), one end of described Signal reception interface (510) is connected with industrial computer (700), the other end of described Signal reception interface (510) is connected with signaling conversion circuit (520), described signaling conversion circuit (520) is connected with signal output interface (530), described signal transmission interface (530) is connected with control circuit (400).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420568678.5U CN204214638U (en) | 2014-09-29 | 2014-09-29 | A kind of outflow valve test board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420568678.5U CN204214638U (en) | 2014-09-29 | 2014-09-29 | A kind of outflow valve test board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204214638U true CN204214638U (en) | 2015-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420568678.5U Expired - Fee Related CN204214638U (en) | 2014-09-29 | 2014-09-29 | A kind of outflow valve test board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204214638U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2014
- 2014-09-29 CN CN201420568678.5U patent/CN204214638U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150318 Termination date: 20190929 |