CN114325304A - Universal detection device and detection method for airborne radio frequency circuit board - Google Patents
Universal detection device and detection method for airborne radio frequency circuit board Download PDFInfo
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- CN114325304A CN114325304A CN202111406117.6A CN202111406117A CN114325304A CN 114325304 A CN114325304 A CN 114325304A CN 202111406117 A CN202111406117 A CN 202111406117A CN 114325304 A CN114325304 A CN 114325304A
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Abstract
The invention relates to the technical field of airborne radio frequency circuit board testing, in particular to a universal detection device and a detection method for an airborne radio frequency circuit board, wherein the detection device comprises: the board under test still includes: the medium-high frequency test platform comprises an industrial personal computer, a programmable power supply connected with the industrial personal computer and a signal array interface connected with the programmable power supply; the universal switching adapter plate is used for connecting the medium-high frequency test platform and the tested plate. The universal switching adapter plate is suitable for testing various onboard radio frequency circuit boards, special equipment does not need to be developed, only a switching cable needs to be manufactured, the development period is short, the switching is easy to operate, and meanwhile, the cost is saved; the radio frequency circuit board automatic testing and fault diagnosis device can realize the automatic testing and fault diagnosis of the radio frequency circuit board in various electronic products, can realize the performance testing and the quick fault positioning of the radio frequency circuit board, and is convenient to maintain and troubleshoot.
Description
Technical Field
The invention relates to the technical field of airborne radio frequency circuit board testing, in particular to a universal detection device and a detection method for an airborne radio frequency circuit board.
Background
The airborne radio frequency circuit board is mainly applied to an aviation communication navigation recognition system, and mainly realizes the functions of amplification, filtering, frequency mixing and the like of signals of an antenna port.
Disclosure of Invention
In order to solve the technical problem, the invention provides a universal detection device and a detection method for an airborne radio frequency circuit board.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
a general detection device that airborne radio frequency circuit board was used, includes the board under test, still includes:
the medium-high frequency test platform comprises an industrial personal computer, a programmable power supply connected with the industrial personal computer and a signal array interface connected with the programmable power supply;
the industrial personal computer comprises a data acquisition module, a matrix switch module, a universal meter, an oscilloscope module, a high-speed digital IO module, a spectrum analyzer module, a radio frequency switch matrix module, a microwave/radio frequency signal generator module and an arbitrary wave signal generator module, wherein the data acquisition module, the matrix switch module, the universal meter, the oscilloscope module and the high-speed digital IO module are connected with a signal array interface;
the universal adapter plate is used for connecting a medium-high frequency test platform and a tested plate and comprises an European socket CZ1, an European socket CZ2, an European socket CZ3 and an European socket CZ4 which are connected with a signal array interface, and a plug XP which is connected with a test cable to realize connection with the tested plate.
Preferably, the universal adapter board further comprises an ID identification circuit, a reserved power conversion circuit, a capacitance filtering group, and a status indication circuit.
Preferably, the signals of the multimeter and the oscilloscope module are led into an European socket CZ 1.
Preferably, the signals of the matrix switch module are introduced into an european socket CZ 2.
Preferably, the signal of the high-speed digital IO module is introduced into an european socket CZ 3.
Preferably, the signal of the programmed power supply is introduced into the european socket CZ 4.
Preferably, the matrix switch module is used for automatically switching excitation signal generation and response signal test channels to realize automatic test of a high-frequency part.
A detection method of a universal detection device for an airborne radio frequency circuit board comprises the following specific steps:
inquiring data to obtain the plug pin definition of the tested board, manufacturing a switching cable, and connecting the tested board with the universal switching adapter board;
secondly, confirming whether the name and the ID of the universal adapter plate are correct or not, and inserting the universal adapter plate into a medium-high frequency test platform;
writing a software program on the medium-high frequency test platform to configure ports, so that the interface definition of a plug XP on the universal adapter board meets the test requirements of the tested board;
(IV) testing whether the interface relation of a plug XP on the universal adapter plate meets the requirements by using a universal meter;
fifthly, compiling a test flow on the medium-high frequency test platform, setting standard parameter values of relevant test points in a test diagnosis database, compiling a software program, and performing parameter configuration through the software program;
sixthly, automatically completing the output signal test of the circuit board through the matrix switch module, the oscilloscope module, the universal meter and the spectrum analyzer module, then comparing the test result with relevant data in a test diagnosis database, and uploading the comparison result to a report;
judging whether the test result is qualified or not by viewing the report, if so, testing the test result, performing the step (eight), if not, entering a diagnosis part, and displaying a test interface by an industrial personal computer to guide a tester to diagnose;
(eight) reset the relevant instrument of equipment, take off switching cable and board under test, extract general switching adapter plate, properly preserve.
Further, the specific process in the step (four) is to perform the step (five) if the test is qualified, and return to the steps (one) to (three) for retesting if the test is not qualified.
Further, the parameters in the step (five) include port input voltage, control signals and excitation signal sources.
The invention has the beneficial effects that:
compared with the prior art, the universal switching adapter plate is suitable for testing various airborne radio frequency circuit boards, special equipment does not need to be developed, only a switching cable needs to be manufactured, the development period is short, the switching cable is easy to operate, and meanwhile, the cost is saved; the radio frequency circuit board automatic testing and fault diagnosis device can realize the automatic testing and fault diagnosis of the radio frequency circuit board in various electronic products, can realize the performance testing and the quick fault positioning of the radio frequency circuit board, and is convenient to maintain and troubleshoot.
Drawings
The invention is further illustrated with reference to the following figures and examples:
FIG. 1 is a block diagram of the present invention;
fig. 2 is a schematic view of the external structure of the present invention.
In the figure: 1. a medium-high frequency test platform; 2. a universal adapter plate; 3. european socket CZ 1; 4. european socket CZ 2; 5. european socket CZ 3; 6. european socket CZ 4; 7. an ID recognition circuit; 8. reserving a power supply conversion circuit; 9. a capacitive filter group; 10. a status indication circuit; 11. a plug XP; 12. and fixing the bracket.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further explained in the following with the accompanying drawings and the embodiments.
As shown in fig. 1 to 2, a universal testing apparatus for an airborne rf circuit board includes a medium-high frequency testing platform 1, a universal adapter board 2 and a board to be tested.
The medium-high frequency test platform 1 comprises an industrial personal computer, a programmable power supply, a signal array interface and a screen keyboard mouse.
The industrial personal computer comprises a GPIB communication card, a mainboard, a data acquisition module, a matrix switch module, a universal meter, an oscilloscope module, a high-speed digital IO module, a spectrum analyzer module, a radio frequency switch matrix module, a microwave/radio frequency signal generator module and an arbitrary wave signal generator module.
The program control power supply is respectively connected with the GPIB communication card and the signal array interface, the mainboard is connected with the screen keyboard and mouse, the data acquisition module, the matrix switch module, the universal meter, the oscilloscope module and the high-speed digital IO module are respectively connected with the signal array interface, and the spectrum analyzer module, the radio frequency switch matrix module, the microwave/radio frequency signal generator module and the arbitrary wave signal generator module are respectively connected with the tested board.
The industrial personal computer is an upper computer of the testing device and is used for finishing control and parameter display of each hardware resource. The programmable power supply is controlled by the industrial personal computer and supplies power to the module to be tested. The matrix switch module is used for switching input power supplies, input control signals and output voltage signal acquisition circuits in the test process. The matrix switch has 2 paths, each path has 8 columns and X32 rows. The radio frequency matrix switch provides test extension of an uplink channel and a downlink channel, is used for automatic switching of an excitation signal generation channel and a response signal test channel, and realizes automatic test of a high-frequency part. And the oscilloscope module is used for measuring the voltage of the power output end of the module to be measured. The spectrum analyzer is used for testing the power and the frequency of the output radio frequency signal. The microwave/radio frequency signal generator and the random wave signal generator mainly generate an input signal of a tested plate and a corresponding local oscillation signal. And the high-speed digital IO module is mainly used for sending port control signals for a tested board. The screen keyboard mouse is used for providing man-machine interface operation ports such as a screen, a keyboard and a mouse.
The universal switching adapter plate 2 is respectively connected with the signal array interface and the tested plate, wherein the universal switching adapter plate is connected with the tested plate through a test cable.
The universal adapter plate 2 comprises an European socket CZ13, an European socket CZ24, an European socket CZ35, an European socket CZ46, an ID recognition circuit 7, a reserved power conversion circuit 8, a capacitor filter group 9, a state indication circuit 10, a plug XP 11 and a fixed support 12.
The signal array interface in the test platform 1 is connected to the universal adapter board 2 through an European socket CZ13 to an European socket CZ 46.
Specifically, the signals of the multimeter and oscilloscope modules are led to an European socket CZ13, the signals of the matrix switch module are led to an European socket CZ24, the signals of the fast digital IO module are led to an European socket CZ35, and the signals of the programmable power supply are led to a power supply configuration European socket CZ 46.
The ID identification circuit 7 is mainly used for detecting whether the adapter board required by the test is correctly installed according to requirements or not, and preventing the circuit board to be tested from being damaged by human errors.
The reserved power supply conversion circuit 8 is mainly used for preventing the shortage of the number of power supply circuits provided by the program-controlled power supply in the medium-high frequency test platform 1.
The capacitance filtering group 9 is mainly used for filtering the program control power supply part and reducing interference.
The status indication circuit 10 is used for observing the working status of the programmable power supply and the universal adapter board 2.
The plug XP 11 is mainly used for a transfer plug between a universal transfer adapter plate and a tested plate.
The fixing bracket 12 is used for fixing the universal adapter plate 2 on the medium-high frequency test platform 1.
When the tested boards are tested, only signals of the tested circuit units need to be classified, signal resources on the European plug socket CZ13, the European plug socket CZ24, the European plug socket CZ35 and the European plug socket CZ46 are recombined and configured through the matrix switch module, the signals are led to the plug XP 11, and corresponding adapter cables are manufactured according to the types of the tested boards and connected to the plug XP 11 on the universal adapter board 2 in the test.
A detection method of a universal detection device for an airborne radio frequency circuit board comprises the following specific steps:
inquiring data to obtain the plug pin definition of the tested board, so as to be convenient for the reconfiguration of the universal adapter board 2 resources; and manufacturing a switching cable to connect the tested board with the universal switching adapter board.
And (II) taking out the universal adapter plate 2, confirming that the name and the ID number of the universal adapter plate 2 are correct, and inserting the universal adapter plate 2 into a test adapter box slot of the medium-high frequency test platform 1.
And (III) writing a software program to configure the ports, so that the interface definition of the plug XP 11 on the universal adapter board 2 meets the test requirements of the tested board.
And (IV) debugging the program, testing whether the interface relation of the plug XP 11 on the universal adapter board 2 meets the requirements by using a universal meter, and testing the qualified party to perform the following tests, if the qualified party fails, returning to the steps (I), (II), (III) and (IV) for retesting.
And (V) compiling a test flow, and setting standard parameter values of relevant test points in the test diagnosis database.
And (VI) writing a software program, and performing parameter configuration through software, wherein the parameter configuration comprises port input voltage, a control signal and an excitation signal source.
And (seventhly), automatically completing the output signal test of the circuit board through the matrix switch module, the oscilloscope module, the multimeter and the spectrum analyzer module, comparing the test result with related data in the test diagnosis database, uploading the comparison result to a report, wherein the report can visually display whether the test result is qualified or not, if the qualified test is finished, if the fault flow enters a diagnosis part, the execution interface guides a tester to test in a dialog box mode, and finally obtaining a fault part.
And (eighthly), resetting the equipment-related instrument through software.
And (ninthly) taking down the switching cable and the tested board, pulling out the universal switching adapter board, and storing properly.
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 (10)
1. The utility model provides a general detection device that airborne radio frequency circuit board was used, includes the board under test, its characterized in that: further comprising:
the medium-high frequency test platform (1) comprises an industrial personal computer, a programmable power supply connected with the industrial personal computer and a signal array interface connected with the programmable power supply;
the industrial personal computer comprises a data acquisition module, a matrix switch module, a universal meter, an oscilloscope module, a high-speed digital IO module, a spectrum analyzer module, a radio frequency switch matrix module, a microwave/radio frequency signal generator module and an arbitrary wave signal generator module, wherein the data acquisition module, the matrix switch module, the universal meter, the oscilloscope module and the high-speed digital IO module are connected with a signal array interface;
the universal adapter board (2) is used for connecting the medium-high frequency test platform (1) with a board to be tested and comprises an European socket CZ1(3), an European socket CZ2(4), an European socket CZ3(5) and an European socket CZ4(6) which are connected with a signal array interface, and a plug XP (11) which is connected with a test cable to realize connection with the board to be tested.
2. The universal test device of claim 1, wherein: the universal switching adapter plate (2) further comprises an ID identification circuit (7), a reserved power supply conversion circuit (8), a capacitance filtering group (9) and a state indication circuit (10).
3. The universal test device of claim 1, wherein: and signals of the universal meter and the oscilloscope module are led into an European socket CZ1 (3).
4. The universal test device of claim 1, wherein: the signals of the matrix switch module are led into an european socket CZ2 (4).
5. The universal test device of claim 1, wherein: and the signal of the high-speed digital IO module is introduced into an European socket CZ3 (5).
6. The universal test device of claim 1, wherein: the signal of the programmable power supply is led into an European socket CZ4 (6).
7. The universal test device of claim 1, wherein: the matrix switch module is used for automatically switching excitation signal generation and response signal test channels to realize automatic test of a high-frequency part.
8. A detection method of the universal detection device for the onboard radio frequency circuit board according to any one of claims 1 to 7, characterized in that: the method comprises the following specific steps:
inquiring data to obtain the plug pin definition of the tested board, manufacturing a switching cable, and connecting the tested board with the universal switching adapter board (2);
secondly, confirming whether the name and the ID of the universal adapter plate (2) are correct or not, and inserting the universal adapter plate into the medium-high frequency test platform (1);
thirdly, writing a software program on the medium-high frequency test platform (1) to configure a port, so that the interface definition of a plug XP (11) on the universal adapter board (2) meets the test requirement of the board to be tested;
fourthly, testing whether the interface relation of a plug XP (11) on the universal adapter plate (2) meets the requirements or not by using a universal meter;
fifthly, compiling a test flow on the medium-high frequency test platform (1), setting standard parameter values of relevant test points in a test diagnosis database, compiling a software program, and performing parameter configuration through the software program;
sixthly, automatically completing the output signal test of the circuit board through the matrix switch module, the oscilloscope module, the universal meter and the spectrum analyzer module, then comparing the test result with relevant data in a test diagnosis database, and uploading the comparison result to a report;
judging whether the test result is qualified or not by viewing the report, if so, testing the test result, performing the step (eight), if not, entering a diagnosis part, and displaying a test interface by an industrial personal computer to guide a tester to diagnose;
(eight) reset the relevant instrument of equipment, take off switching cable and board under test, extract general switching adapter plate, properly preserve.
9. The detection method according to claim 8, characterized in that: and (4) performing the specific process in the step (four) if the test is qualified, performing the step (five), and if the test is unqualified, returning to the steps (one) to (three) for retesting.
10. The detection method according to claim 8, characterized in that: the parameters in the step (V) comprise port input voltage, control signals and excitation signal sources.
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| CN202111406117.6A CN114325304A (en) | 2021-11-24 | 2021-11-24 | Universal detection device and detection method for airborne radio frequency circuit board |
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| CN202111406117.6A CN114325304A (en) | 2021-11-24 | 2021-11-24 | Universal detection device and detection method for airborne radio frequency circuit board |
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