CN214622863U - Airborne radio navigation module tester - Google Patents
Airborne radio navigation module tester Download PDFInfo
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- CN214622863U CN214622863U CN202120605060.1U CN202120605060U CN214622863U CN 214622863 U CN214622863 U CN 214622863U CN 202120605060 U CN202120605060 U CN 202120605060U CN 214622863 U CN214622863 U CN 214622863U
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Abstract
The invention belongs to the field of aviation airborne electronic product testing, and particularly relates to an airborne radio navigation module tester which comprises a power supply unit, a display control unit, a key control unit, a communication interface conversion unit and an external interface unit, wherein the power supply unit is respectively connected with the display control unit, the key control unit and the communication interface conversion unit, the display control unit is connected with the communication interface conversion unit, and the key control unit is connected with the external interface unit. The invention adopts a portable design, internally integrates a high-power linear voltage-stabilizing direct-current power supply, provides a stable power supply for the airborne radio navigation module, can realize communication interface conversion and meets the synchronous integration test of a plurality of airborne radio navigation modules.
Description
Technical Field
The invention belongs to the field of aviation airborne electronic product testing, and particularly relates to an airborne radio navigation module tester.
Background
The existing electronic product tester mostly adopts a fixed instrument type design, has single function, and does not have the functions of real-time storage and processing of navigation module resolving data, graphic representation and audio output; the device does not have a portable function and cannot meet the requirements of external field guarantee; the external power output function is not provided, and the power supply requirement during the external field test of the navigation module cannot be met; the external interface is fixed, the expandability is poor, and the integrated test of multiple navigation modules on the same platform cannot be met.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide an onboard radionavigation module tester.
The realization process of the invention is as follows:
the utility model provides an airborne radio navigation module tester, includes power supply unit, shows accuse unit, button the control unit, communication interface conversion unit and external interface unit, power supply unit is connected with showing accuse unit, button the control unit, communication interface conversion unit respectively, it is connected with communication interface conversion unit to show accuse unit, button the control unit with external interface unit connection.
Further, the power supply unit is used for converting an externally input AC 220V alternating current power supply into a direct current power supply to supply power to each unit and a tested module in the tester, and the tested module is an airborne radio navigation module.
Furthermore, the tested module can be supplied with power through an external direct-current stabilized power supply.
Further, the display control unit communicates with the communication interface conversion unit through the USB and RS232 interfaces to complete issuing of control commands of the tested modules and receiving and displaying of calculation results of the modules.
Furthermore, the display control unit adopts an industrial personal computer as a core, and a display, a keyboard and a mouse as a man-machine interaction mode.
Further, the key control unit is used for completing power-on starting of the tester, power-on control of the module, sending of a manual reset signal and monitoring of power consumption of the module.
Further, the communication interface conversion unit is used for converting CAN bus data of the communication between the tested module and the tester into data with a fixed format.
Furthermore, the external interface unit is used for supplying power to the module to be tested, receiving and transmitting communication data and outputting test signals, and the module to be tested is an airborne radio navigation module.
The invention has the following positive effects:
(1) the portable reinforced computer form is adopted, so that the requirements of the module on internal field production, inspection and external field maintenance and detection can be met;
(2) two power supply modes of a built-in linear voltage-stabilizing direct-current power supply and an external direct-current power supply are adopted, so that index tests of the module in different scenes are met;
(3) the indexes can be verified at multiple angles by combining a human-computer interface with physical electrical test points;
(4) a double-path digital display meter head is adopted to indicate the power consumption condition of the module to be measured in real time;
(5) the periodic uploading data of the tested module can be monitored in real time, and an alarm is given when the data transmission is abnormal.
Drawings
Fig. 1 is a schematic block diagram of an airborne radio navigation module tester according to the present invention.
Detailed Description
The present invention will be further described with reference to the following examples.
As shown in fig. 1, the onboard radio navigation module tester of the present invention can perform detailed testing, data recording, and data analysis on certain types of onboard devices by centralized data reception and excitation generation; and convenience is provided for the research and development and production of products. The whole tester comprises a power supply unit, a display control unit, a key control unit, a communication interface conversion unit and an external interface unit; the power supply unit is respectively connected with the display control unit, the key control unit and the communication interface conversion unit, the display control unit is connected with the communication interface conversion unit, and the key control unit is connected with the external interface unit, as shown in figure 1. Wherein:
the power supply unit is used for converting an externally input AC 220V alternating current power supply into a direct current power supply and supplying power to each unit and the tested module in the tester; meanwhile, the tested module can be supplied with power through an external direct current stabilized power supply. The two power supply modes are switched through a power supply selection switch on the power supply unit, and the module to be tested is an airborne radio navigation module.
And the display control unit adopts an industrial personal computer as a core, and a display, a keyboard and a mouse as a man-machine interaction mode, and communicates with the communication interface conversion unit through the USB and RS232 interfaces to complete issuing of control commands of each tested module and receiving and displaying of resolving results of each module.
And the key control unit is used for completing system power-on starting, module power-on control, sending of a manual reset signal and monitoring of module power consumption.
And the communication interface conversion unit is used for converting CAN bus data of the communication between the tested module and the tester into data with a fixed format, and specifically converting LVDS level signals into level signals such as LVCMOS and RS232 required by internal communication of the tester.
And the external interface unit is used for supplying power to the tested module, receiving and transmitting communication data and outputting a test signal.
In the invention, a power supply unit provides various working power supplies for the whole tester to finish the conversion of 220V alternating current power supply into 5V and 12V power supplies required by the inside of the tester; the display control unit is mainly used for completing the screen display function and completing detailed display of the test data and the control state; the key control unit is mainly used for finishing control data input and basic control instruction input; the communication interface conversion unit is mainly used for completing various test data, such as: the CAN bus data, the 429 data, the LVDS data and the like are converted into standard serial data protocols; the external interface unit is mainly used for finishing the data interface cross-linking of the tester and the tested equipment; generally speaking, a module to be tested (namely an airborne radio navigation module) is connected to an external interface unit, a tester carries out data acquisition and instruction control through a communication interface conversion unit, and finally data is stored and displayed to complete the function and performance test of equipment.
The invention adopts a portable design, internally integrates a high-power linear voltage-stabilizing direct-current power supply, provides a stable power supply for the airborne radio navigation module, can realize communication interface conversion and meets the synchronous integration test of a plurality of airborne radio navigation modules. In conclusion, the invention has novel and reasonable design, can be used for the production debugging of the radio navigation module, and can also be used as outfield detection equipment.
The power supply unit, the display control unit, the key control unit, the communication interface conversion unit and the external interface unit can be common circuits and devices, wherein the power supply unit adopts a GDX170-220D2805-B type linear power supply, the display control unit adopts an HD101-H81 computer mainboard, a G156HTN01.0 liquid crystal display 256GB SATA solid state hard disk and a waterproof keyboard with a touch pad, the key control unit adopts a plurality of self-locking metal keys with the diameter of 16mm, the communication interface conversion unit adopts an autonomous circuit design scheme, and the external interface unit adopts two military circular connectors. Some units can be replaced by the prior art structure, however, the overall design of the invention is an innovative design.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and is not intended to limit the invention to the particular forms disclosed. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (8)
1. An airborne radio navigation module tester, characterized in that: including power supply unit, show accuse unit, button control unit, communication interface conversion unit and external interface unit, power supply unit is connected with showing accuse unit, button control unit, communication interface conversion unit respectively, it is connected with communication interface conversion unit to show accuse unit, button control unit and external interface unit connection.
2. The on-board radio navigation module tester of claim 1, wherein: the power supply unit is used for converting an externally input AC 220V alternating current power supply into a direct current power supply and supplying power to each unit and a tested module in the tester, and the tested module is an airborne radio navigation module.
3. The airborne radio navigation module tester of claim 2, wherein: and the power can be supplied to the tested module through an external direct current stabilized power supply.
4. The on-board radio navigation module tester of claim 1, wherein: the display control unit is communicated with the communication interface conversion unit through the USB and RS232 interfaces to complete issuing of control commands of the tested modules and receiving and displaying of resolving results of the modules.
5. The airborne radio navigation module tester of claim 4, wherein: the display control unit adopts an industrial personal computer as a core, and a display, a keyboard and a mouse as a man-machine interaction mode.
6. The on-board radio navigation module tester of claim 1, wherein: and the key control unit is used for completing power-on starting of the tester, power-on control of the module, sending of a manual reset signal and monitoring of the power consumption of the module.
7. The on-board radio navigation module tester of claim 1, wherein: and the communication interface conversion unit is used for converting CAN bus data of the communication between the tested module and the tester into data with a fixed format.
8. The on-board radio navigation module tester of claim 1, wherein: the external interface unit is used for supplying power to the tested module, receiving and transmitting communication data and outputting a test signal, and the tested module is an airborne radio navigation module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120605060.1U CN214622863U (en) | 2021-03-25 | 2021-03-25 | Airborne radio navigation module tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120605060.1U CN214622863U (en) | 2021-03-25 | 2021-03-25 | Airborne radio navigation module tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214622863U true CN214622863U (en) | 2021-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120605060.1U Active CN214622863U (en) | 2021-03-25 | 2021-03-25 | Airborne radio navigation module tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214622863U (en) |
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2021
- 2021-03-25 CN CN202120605060.1U patent/CN214622863U/en active Active
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