CN203465439U - Aircraft air data computer monitoring and control system - Google Patents
Aircraft air data computer monitoring and control system Download PDFInfo
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- CN203465439U CN203465439U CN201320558439.7U CN201320558439U CN203465439U CN 203465439 U CN203465439 U CN 203465439U CN 201320558439 U CN201320558439 U CN 201320558439U CN 203465439 U CN203465439 U CN 203465439U
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- air data
- data computer
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- pressure source
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Abstract
The utility model discloses an aircraft air data computer monitoring and control system. The aircraft air data computer monitoring and control system comprises a pressure source, a resistance box and an air data computer monitoring device. The pressure source is connected with an air data measured computer and the air data computer monitoring device; the resistance box is connected with the air data measured computer and the air data computer monitoring device; and the air data computer monitoring device is connected with the pressure source, the resistance box and the air data measured computer. The monitoring and control system disclosed by the utility model has the advantages of compact structure, small size, light weight, fast testing speed and high degree of functional integration, and is convenient for application in an aircraft structure.
Description
Technical field
The utility model relates to aeronautic measurement technical field, relates in particular to a kind of aircraft air data computer supervisory system.
Background technology
Aircraft air data computer supervisory system is mainly used in the Real-Time Monitoring to aircraft air data computer, for flight status control and aerial mission complete, ensure that flight safety has great importance.And existing aircraft air data computer supervisory system complex structure, volume are large, cannot be applied on aircraft.In order to meet the needs of field of aviation measurement and test, realize the airborne needs of atmosphere data monitoring device, a kind of compact conformation, volume is little, lightweight, test speed is fast airborne atmosphere data monitoring device need be provided.
Utility model content
(1) technical matters to be solved
Technical problem to be solved in the utility model is: a kind of aircraft air data computer supervisory system is provided, to overcome in prior art because air data computer monitoring structure is complicated, volume is large, cannot be applied to the technical matters on aircraft.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of aircraft air data computer supervisory system, and this system comprises: pressure source, resistance box and air data computer monitoring device;
Described pressure source, is connected with described air data computer monitoring device with tested air data computer respectively;
Described resistance box, is connected with described air data computer monitoring device with tested air data computer respectively;
Described air data computer monitoring device, is connected with described pressure source, described resistance box and tested air data computer respectively.
Preferably, described air data computer monitoring device, comprises sensor, converter, comparer, controller, membrane keyboard and display screen;
Described sensor, is connected with described converter, and described sensor and described controller and described pressure source form feedback closed loop;
Described converter, is connected with described resistance box, described sensor and described comparer respectively;
Described comparer, is connected with described display screen with described converter, described tested air data computer, described controller respectively;
Described controller, is connected with described sensor, described membrane keyboard, described pressure source and described comparer respectively;
Described membrane keyboard, is connected with described controller;
Described display screen, is connected with described comparer.
Preferably, described converter comprises Frequancy digit conversion device and analog to digital converter.
Preferably, described display screen comprises inverter circuit.
Preferably, described sensor is Honeywell precision intelligence pressure transducer.
Preferably, described pressure source is dynamic and static pressure exerciser.
(3) beneficial effect
A kind of aircraft atmosphere data supervisory system tool provided by the utility model has the following advantages:
One, the utility model adopts the air data computer of simulation to produce reference atmosphere parameter, with less volume, realized fast the calculating of atmosphere data parameter.
Two, this supervisory system compact conformation, volume is little, lightweight, test speed is fast, functional integration is high, be convenient to apply in aircaft configuration.
Three, because sensor, controller and pressure source form feedback closed loop, the pressure signal of Real-time Collection measured piece and described air data computer monitoring device, whether the pressure parameter that the external pressure source of monitoring provides in real time meets test point required, and Real-time Feedback adjusts the pressure parameter of pressure source, thereby accuracy and the reliability of test result have been improved.
Accompanying drawing explanation
Fig. 1 is a kind of aircraft air data computer supervisory system structural drawing of the present utility model.
Embodiment
Below in conjunction with specification drawings and specific embodiments, describe the technical solution of the utility model in detail, below embodiment be only used for illustrating the utility model, be not for limiting the technical solution of the utility model.
As shown in Figure 1, the utility model embodiment has recorded a kind of aircraft air data computer supervisory system, comprising: pressure source, resistance box and air data computer monitoring device.
Pressure source adopts the dynamic and static pressure exerciser that meets up-to-date RVSM standard, by the corresponding interface, be connected with air data computer monitoring device with tested air data computer respectively, for this atmosphere data monitoring device and this tested air data computer are applied respectively to stagnation pressure signal and static pressure signal;
Above-mentioned dynamic and static pressure exerciser can continuous adjustable test point, is convenient to the on-the-spot input test point of user, operates very easy.
Resistance box adopts ZX21 type precision resistance box, is connected respectively with tested air data computer with air data computer monitoring device.
Above-mentioned ZX21 type precision resistance box, according to the corresponding relation of total Air Temperature and thermistor, adopts resistance value equivalence total Air Temperature parameter, and equivalent temperature signal is input to tested air data computer and converter.
Tested air data computer, is connected with pressure source, resistance box and air data computer monitoring device respectively; For receiving static pressure signal that pressure source goes out and the equivalent temperature signal of resistance box output, and export atmosphere data measured signal.
Air data computer monitoring device, comprises sensor, converter, comparer, controller, membrane keyboard and display screen, wherein:
Sensor, adopts Honeywell precision intelligence pressure transducer-PPT0300DWW2VAA, is connected with converter, the stagnation pressure signal in external high-precision pressure source can be converted to digital signal and carry out atmospheric parameter calculating for converter.This sensor and controller and pressure source form a feedback closed loop, can Real-time Collection input pressure, and whether the pressure that monitoring is input to tested air data computer and air data computer monitoring device reaches the test point pressure demand setting.Thereby accuracy and the reliability of the atmosphere data test result of obtaining have been improved.
Converter is connected with described resistance box, described sensor and described comparer respectively; For to receiving described digital signal and described equivalent temperature signal is processed, and export atmosphere data basic parameter by data communication interface.
This converter is the core of air data computer monitoring device, comprises Frequancy digit conversion device and analog to digital converter.The stagnation pressure signal of sensor output is transferred to Frequancy digit conversion device, and the equivalent temperature signal of resistance box output is transferred to analog to digital converter.Thereby can be with less volume, realize fast the calculation of parameter of tested air data computer.
Comparer, is connected with display screen with converter, tested air data computer, controller respectively; For the described atmosphere data basic parameter receiving and described atmosphere data measured signal are compared, input comparative result; And error amount and the atmospheric parameter error threshold value of accepting stagnation pressure signal are compared, and Real-time Feedback is adjusted the parameter of described stagnation pressure signal.
Comparer comprises error threshold value storer, the atmospheric parameter error threshold value that this error threshold value storer is set for storing tester.
The function of this comparer: the one, according to the requirement of tested air data computer parameter error, the atmospheric parameter error threshold value of being set by tester, is stored in error threshold storer; The 2nd, the atmospheric parameters such as the barometer altitude that the tested air data computer of reception and converter are exported in real time, indicator air speed, Mach number, true air speed, carry out hardware decoding relatively, according to the error threshold value of setting, provide comparative result, and show for human observer and compare, differentiate by display screen, thereby check whether tested air data computer output parameter meets the demands.
Membrane keyboard adopts XB-6 membrane keyboard, is connected, for set pressure test point with controller.
Controller, is connected with sensor, membrane keyboard, pressure source and comparer respectively, for monitoring in real time and feed back the stagnation pressure signal of described test point, and the error range of the described stagnation pressure signal that output receives.
Controller is by XB-6 membrane keyboard set pressure test point; It is test point required whether the pressure parameter that monitor force source provides in real time meets, and Real-time Feedback is adjusted pressure source pressure parameter; Receive the atmospheric parameter error range of tester's setting and deliver to comparer.
Display screen, is connected with comparer; For described comparative result is shown and offers observer.
The principle of work of a kind of aircraft atmosphere data supervisory system that the utility model is recorded is: converter is according to the stagnation pressure of high-precision sensor input, static pressure pressure signal and precision resistance case equivalent temperature signal, calculate in real time barometer altitude, indicator air speed, Mach number, the atmosphere data parameters such as true air speed are also input to comparer as basic parameter, the atmosphere data parameter of exporting with the tested air data computer of comparer reception in real time compares, by display screen, its comparative result is shown for human observer and differentiated, thereby whether monitoring air data computer output parameter meets the demands.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of know-why of the present utility model; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (6)
1. an aircraft air data computer supervisory system, is characterized in that, this system comprises: pressure source, resistance box and air data computer monitoring device;
Described pressure source, is connected with described air data computer monitoring device with tested air data computer respectively;
Described resistance box, is connected with described air data computer monitoring device with tested air data computer respectively;
Described air data computer monitoring device, is connected with described pressure source, described resistance box and tested air data computer respectively.
2. supervisory system according to claim 1, is characterized in that, described air data computer monitoring device, comprises sensor, converter, comparer, controller, membrane keyboard and display screen;
Described sensor, is connected with described converter, and described sensor and described controller and described pressure source form feedback closed loop;
Described converter, is connected with described resistance box, described sensor and described comparer respectively;
Described comparer, is connected with described display screen with described converter, described tested air data computer, described controller respectively;
Described controller, is connected with described sensor, described membrane keyboard, described pressure source and described comparer respectively;
Described membrane keyboard, is connected with described controller;
Described display screen, is connected with described comparer.
3. supervisory system according to claim 2, is characterized in that, described converter comprises Frequancy digit conversion device and analog to digital converter.
4. supervisory system according to claim 2, is characterized in that, described display screen comprises inverter circuit.
5. supervisory system according to claim 2, is characterized in that, described sensor is Honeywell precision intelligence pressure transducer.
6. according to the supervisory system described in claim 1-5 any one, it is characterized in that, described pressure source is dynamic and static pressure exerciser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320558439.7U CN203465439U (en) | 2013-09-09 | 2013-09-09 | Aircraft air data computer monitoring and control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320558439.7U CN203465439U (en) | 2013-09-09 | 2013-09-09 | Aircraft air data computer monitoring and control system |
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| Publication Number | Publication Date |
|---|---|
| CN203465439U true CN203465439U (en) | 2014-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320558439.7U Expired - Fee Related CN203465439U (en) | 2013-09-09 | 2013-09-09 | Aircraft air data computer monitoring and control system |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525521A (en) * | 2017-09-07 | 2017-12-29 | 国营芜湖机械厂 | A kind of atmosphere data exciting bank |
| CN111060130A (en) * | 2019-12-23 | 2020-04-24 | 北京空天技术研究所 | Method and device for calculating flight parameters of atmospheric data sensing system without total pressure measuring point |
-
2013
- 2013-09-09 CN CN201320558439.7U patent/CN203465439U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525521A (en) * | 2017-09-07 | 2017-12-29 | 国营芜湖机械厂 | A kind of atmosphere data exciting bank |
| CN107525521B (en) * | 2017-09-07 | 2023-09-19 | 国营芜湖机械厂 | Atmospheric data excitation device |
| CN111060130A (en) * | 2019-12-23 | 2020-04-24 | 北京空天技术研究所 | Method and device for calculating flight parameters of atmospheric data sensing system without total pressure measuring point |
| CN111060130B (en) * | 2019-12-23 | 2021-08-10 | 北京空天技术研究所 | Method and device for calculating flight parameters of atmospheric data sensing system without total pressure measuring point |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140305 Termination date: 20140909 |
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| EXPY | Termination of patent right or utility model |