CN204557210U - Air data system universal test platform - Google Patents
Air data system universal test platform Download PDFInfo
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- CN204557210U CN204557210U CN201520284839.2U CN201520284839U CN204557210U CN 204557210 U CN204557210 U CN 204557210U CN 201520284839 U CN201520284839 U CN 201520284839U CN 204557210 U CN204557210 U CN 204557210U
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Abstract
The utility model discloses air data system universal test platform, this universal test platform comprises PXI bus, signal condition unit, signal interface unit and computer for controlling, test product feedback bus signal is to computer for controlling, computer for controlling is connected with signal controller by bus, test product is connected with signal condition unit by signal interface unit, this basis detect test product response that Setting signal is made whether meet dress before test specification, judge its performance quality accordingly, thus testing requirement before meeting each parts dress of air data system.Mixed-bus system centered by PXI can running normally and efficiently, can be used for new higher education, the 10 kinds of product tests of each type number such as JL8, L15, K8, there is extensive practicality, make use of the Long-distance Control that GPIB programmable instrument technology achieves equipment, hardware adopts modular design, achieve and be convenient to assemble, debug, search problem, reduce the technical characterstic of cable connection.
Description
Technical field
The utility model relates to a kind of aeronautical manufacture monitoring and control unit, particularly relates to a kind of air data system universal test platform.
Background technology
Air data system (test product) is for experiencing and measure the stagnation pressure of flying aircraft, static pressure, local angle of attack and stagnation temperature signal, stagnation pressure, static pressure is provided to flight control computer, atmospheric parameters such as ordering is press-fited, by ARINC429 bus to atmospheric signals such as blank pipe answering machine and Electromechanical Management computer export barometer altitudes to integrated avionic system outputting standard barometer altitude, relative barometric pressure height, indicator air speed, true air speed, rising or falling speed, atmospheric density ratio, total Air Temperature, the angle of attack, field by GJB289A data bus.The accuracy of the atmosphere data information that air data system provides directly affects the accuracy of the flight control system of aircraft, thus affects flight safety.
Automatization test system general at present is just tested for some (or a certain class) specific product usually, although some test macro has possessed certain dilatancy, but when or test product is once the newly-increased test products of remodeling, or just need to need to redesign to test macro transformation, this just causes the significant wastage used in manpower and financial resources.
At present, the ad hoc testing laboratory of ME Manafacture Engineering has possessed the power of test of K8 series and JL8 aircraft air data system, but do not possess the power of test of the new higher education air data system of L15, simultaneously L15, new higher education air data system also belong to and newly grind the stage, also prepattern, therefore need to study a set of air data system general-utility test platform, solve the front test problem of air data system dress newly grinding type.
Utility model content
The utility model technical issues that need to address are to provide a kind of air data system universal test platform.
For solving technical matters of the present utility model, the technical solution adopted in the utility model is:
Air data system universal test platform, this universal test platform comprises PXI bus, signal condition unit, signal interface unit and computer for controlling, test product feedback bus signal is to computer for controlling, described computer for controlling is connected with signal controller by bus, and test product is connected with signal condition unit by signal interface unit, described signal condition cell processing voltage signal, resistance signal, discrete signal, control signal, 429 signals and switching signal, optionally pass through A/D module according to test product, D/A module, resistor network module, I/O module, switch module, 422 modules, 429 modules, 1553B module, the programming of GPIB module, GPIB remote control standard source of the gas gives the pumping signal needed for test product, and test product feeds back 422 signals, 429 signals and 1553B bus signals are to air data system universal test platform, this basis detect test product response that Setting signal is made whether meet dress before test specification, judge its performance quality accordingly, thus testing requirement before meeting each parts dress of air data system.
Described signal condition unit is powered by power module, and input voltage is converted to required voltage.
Described test product is powered by power module.
The beneficial effects of the utility model: each functional module functional independence in air data system universal test platform, be convenient to localization of fault, this test board establishes atmosphere data and resolves model, establish the air data system product of institute's organic type in database energy universal test our factory, there is autorun, can by the test request preset, design test step, desired signal is provided from trend test product, the simultaneously automatically signal (software programming makes its content with funtion) that sends of record product, standard source of the gas adopts GPIB remote control technology (software programming) by PXI main frame, without the need to input air pressure value manually.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.Following examples, only for illustration of the utility model, are not used for limiting protection domain of the present utility model.
Air data system universal test platform of the present utility model, comprises PXI bus, signal condition unit, signal interface unit and computer for controlling, test product feedback bus signal is to computer for controlling, computer for controlling is connected with signal controller by bus, signal condition unit is powered by power module, input voltage is converted to required voltage, test product is powered by power module, and test product is connected with signal condition unit by signal interface unit, described signal condition cell processing voltage signal, resistance signal, discrete signal, control signal, 429 signals and switching signal, optionally pass through A/D module according to test product, D/A module, resistor network module, I/O module, switch module, 422 modules, 429 modules, 1553B module, the programming of GPIB module, GPIB remote control standard source of the gas gives the pumping signal needed for test product, and test product feeds back 422 signals, 429 signals and 1553B bus signals are to air data system universal test platform, this basis detect test product response that Setting signal is made whether meet dress before test specification, judge its performance quality accordingly, thus testing requirement before meeting each parts dress of air data system.
Test product is head pressure solver, air data computer, left and right L-type pressure tube, pitot-static pressure solver, up/down incidence vane, angle of attack solver.
Air data system general-utility test platform tests based on before the dress of PXI bus for L15, the new type such as higher education, K8 and JL8 air data system, as long as the signal under this general-purpose platform covers, just can edit by testing software the test that testing process carries out corresponding test product, this platform test module is separate, and test products scope is wide.
Claims (3)
1. air data system universal test platform, is characterized in that: this universal test platform comprises PXI bus, signal condition unit, signal interface unit and computer for controlling, test product feedback bus signal is to computer for controlling, described computer for controlling is connected with signal controller by bus, and test product is connected with signal condition unit by signal interface unit, described signal condition cell processing voltage signal, resistance signal, discrete signal, control signal, 429 signals and switching signal, optionally pass through A/D module according to test product, D/A module, resistor network module, I/O module, switch module, 422 modules, 429 modules, 1553B module, the programming of GPIB module, GPIB remote control standard source of the gas gives the pumping signal needed for test product, and test product feeds back 422 signals, 429 signals and 1553B bus signals are to air data system universal test platform, this basis detect test product response that Setting signal is made whether meet dress before test specification, judge its performance quality accordingly, thus testing requirement before meeting each parts dress of air data system.
2. air data system universal test platform according to claim 1, is characterized in that: described signal condition unit is powered by power module, and input voltage is converted to required voltage.
3. air data system universal test platform according to claim 1, is characterized in that: described test product is powered by power module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520284839.2U CN204557210U (en) | 2015-05-05 | 2015-05-05 | Air data system universal test platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520284839.2U CN204557210U (en) | 2015-05-05 | 2015-05-05 | Air data system universal test platform |
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| CN204557210U true CN204557210U (en) | 2015-08-12 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953816A (en) * | 2016-04-28 | 2016-09-21 | 江西洪都航空工业集团有限责任公司 | Distributed atmosphere data system |
| CN107525521A (en) * | 2017-09-07 | 2017-12-29 | 国营芜湖机械厂 | A kind of atmosphere data exciting bank |
| CN111024895A (en) * | 2019-12-18 | 2020-04-17 | 成都飞机工业（集团）有限责任公司 | Interactive atmosphere test system |
-
2015
- 2015-05-05 CN CN201520284839.2U patent/CN204557210U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953816A (en) * | 2016-04-28 | 2016-09-21 | 江西洪都航空工业集团有限责任公司 | Distributed atmosphere data system |
| CN107525521A (en) * | 2017-09-07 | 2017-12-29 | 国营芜湖机械厂 | A kind of atmosphere data exciting bank |
| CN111024895A (en) * | 2019-12-18 | 2020-04-17 | 成都飞机工业（集团）有限责任公司 | Interactive atmosphere test system |
| CN111024895B (en) * | 2019-12-18 | 2022-11-18 | 成都飞机工业（集团）有限责任公司 | Interactive atmosphere testing system |
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