An automatic test system for electric vacuum transmitters

Abstract

The invention provides an automatic test system for an electric vacuum transmitter, comprising a communication bus, a test fixture, a test source module, a data acquisition instrument, a vacuum gauge, a control terminal, a signal source, a first arbitrary waveform generator, an interference exciter, a radio frequency switch, a solid-state power amplifier, a matrix switch, a spectrum analyzer, a transmission link, a detector and a power meter; the control terminal can simulate various complex environments through the test source module, the signal source, the first arbitrary waveform generator and the like, thereby realizing the test of various parameters of the electric vacuum transmitter under various complex environments, and improving the test efficiency of the electric vacuum transmitter under complex environments.

Description

Technical Field

[0001] The present invention relates to the technical field of transmitters, and in particular to an automatic testing system for an electric vacuum transmitter. Background Art

[0002] At present, the automatic test system of electric vacuum transmitters is mainly used in the field of performance parameter testing of transmitters supporting various information equipment such as radar, communication, and navigation, and can measure technical indicators such as transmitter frequency and power. However, the existing automatic test system of electric vacuum transmitters has poor test efficiency for electric vacuum transmitters in complex environments, so it is necessary to provide a solution to improve the test efficiency of electric vacuum transmitters in complex environments. Summary of the invention

[0003] The object of the present invention is to provide an automatic test system for an electric vacuum transmitter, so as to achieve the technical effect of improving the test efficiency of the electric vacuum transmitter in a complex environment.

[0004] An embodiment of the present invention provides an automatic test system for an electric vacuum transmitter, comprising a communication bus, a test fixture, a test source module, a data acquisition instrument, a vacuum gauge, a control terminal, a signal source, a first arbitrary waveform generator, an interference exciter, a radio frequency switch, a solid-state power amplifier, a matrix switch, a spectrum analyzer, a transmission link, a detector and a power meter; the vacuum gauge, the data acquisition instrument, the signal source, the test source module and the first arbitrary waveform generator are all connected to the control terminal via the communication bus, and the data acquisition instrument, the vacuum gauge, the test source module, the solid-state power amplifier and the transmission link are all connected to the test fixture; the first arbitrary waveform The shape generator is connected to the interference exciter; the first input end of the radio frequency switch and the first control end of the matrix switch are both connected to the interference exciter; the second input end of the radio frequency switch is connected to the signal source; the input end of the solid-state power amplifier is connected to the output end of the radio frequency switch; the first output end of the solid-state power amplifier is connected to the test fixture; the second output end of the solid-state power amplifier is connected to the second control end of the matrix switch; the input end of the matrix switch is connected to the transmission link; the output end of the matrix switch is connected to the spectrum analyzer; the detector is connected to the transmission link; the power meter is connected to the solid-state power amplifier and the detector respectively.

[0005] Furthermore, the electric vacuum transmitter automatic test system also includes a sound protection module connected to the transmission link, and the sound protection module is connected to the control terminal through the communication bus.

[0006] Furthermore, the electric vacuum transmitter automatic test system also includes a water load connected to the transmission link and a water load power meter connected to the water load; the water load power meter is connected to the control terminal via the communication bus.

[0007] Furthermore, the electric vacuum transmitter automatic test system also includes an ignition protection module connected to the transmission link.

[0008] Furthermore, the electric vacuum transmitter automatic test system also includes a second arbitrary waveform generator connected to the transmission link; the second arbitrary waveform generator is connected to the control terminal via the communication bus.

[0009] Furthermore, the electric vacuum transmitter automatic test system also includes an oscilloscope connected to the detector.

[0010] Furthermore, the test source module includes a high voltage power supply, a liquid cooling source, an excitation power supply and a compensation power supply.

[0011] Furthermore, the communication bus is a LAN bus or a GPIB bus.

[0012] The beneficial effect that can be achieved by the present invention is that the automatic test system for electric vacuum transmitters provided by the present invention can simulate various complex environments, thereby realizing the testing of various parameters of electric vacuum transmitters in various complex environments, and improving the testing efficiency of electric vacuum transmitters in complex environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments of the present invention are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0014] Figure 1 A schematic diagram of the topological structure of an automatic test system for an electric vacuum transmitter provided in an embodiment of the present invention.

[0015] Icons: 10-Electric vacuum transmitter automatic test system; 100-Communication bus; 110-Test source module; 120-Data acquisition instrument; 130-Vacuum gauge; 140-Signal source; 150-First arbitrary waveform generator; 160-Second arbitrary waveform generator; 170-Sound protection module; 200-Control terminal; 300-Interference exciter; 400-RF switch; 500-Solid-state power amplifier; 600-Matrix switch; 610-Spectrum analyzer; 700-Transmission link; 710-Detector; 720-Power meter; 730-Oscilloscope; 740-Water load; 750-Water load power meter; 760-Ignition protection module; 800-Test fixture. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present invention will be described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0017] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. At the same time, in the description of the present invention, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0018] Please see Figure 1 , Figure 1 A schematic diagram of the topological structure of an automatic test system for an electric vacuum transmitter provided in an embodiment of the present invention.

[0019] The electric vacuum transmitter automatic test system 10 provided in the embodiment of the present invention includes a communication bus 100, a test fixture 800, a test source module 110, a data acquisition instrument 120, a vacuum gauge 130, a control terminal 200, a signal source 140, a first arbitrary waveform generator 150, an interference exciter 300, a radio frequency switch 400, a solid-state power amplifier 500, a matrix switch 600, a spectrum analyzer 610, a transmission link 700, a detector 710 and a power meter 720; the vacuum gauge 130, the data acquisition instrument 120, the signal source 140, the test source module 110 and the first arbitrary waveform generator 150 are all connected to the control terminal 200 through the communication bus 100, and the data acquisition instrument 120, the vacuum gauge 130, the test source module 110, the solid-state power amplifier 500 and the transmission link 700 are all connected to the control terminal 200. connected to the test fixture 800; the first arbitrary waveform generator 150 is connected to the interference exciter 300; the first input end of the RF switch 400 and the first control end of the matrix switch 600 are both connected to the interference exciter 300; the second input end of the RF switch 400 is connected to the signal source 140; the input end of the solid-state power amplifier 500 is connected to the output end of the RF switch 400; the first output end of the solid-state power amplifier 500 is connected to the test fixture 800; the second output end of the solid-state power amplifier 500 is connected to the second control end of the matrix switch 600; the input end of the matrix switch 600 is connected to the transmission link 700; the output end of the matrix switch 600 is connected to the spectrum analyzer 610; the detector 710 is connected to the transmission link 700; the power meter 720 is respectively connected to the solid-state power amplifier 500 and the detector 710.

[0020] Exemplarily, the test source module 110 includes a high voltage power supply, a liquid cooling source, an excitation power supply and a compensation power supply. The communication bus 100 may be a LAN bus or a GPIB bus. The tester may control the test source required for each test process through the control terminal 200, and then control the vacuum gauge 130, the signal source 140 and the first arbitrary waveform generator 150 through the communication bus 100, so as to test the electric vacuum transmitter under various environments.

[0021] In the above implementation process, the control terminal 200 can control the test source module 110, the data acquisition instrument 120, the vacuum gauge 130, the first arbitrary waveform generator 150 and the signal source 140 through the communication bus 100, thereby realizing the test of the electric vacuum transmitter to be tested in a complex environment.

[0022] In one embodiment, the electric vacuum transmitter automatic test system 10 further includes a sound protection module 170 connected to the transmission link 700 , and the sound protection module 170 is connected to the control terminal 200 via the communication bus 100 .

[0023] In the above implementation process, the test signal of the electric vacuum transmitter to be tested is input to the control terminal 200 through the transmission link 700 and the sound protection module 170, so that the measured signal can be more accurate.

[0024] In one embodiment, the electric vacuum transmitter automatic test system 10 further includes a water load 740 connected to the transmission link 700 and a water load 740 power meter 720 connected to the water load 740 ; the water load 740 power meter 720 is connected to the control terminal 200 via the communication bus 100 .

[0025] In the above implementation process, the transmission link 700 may also be connected to the water load 740; and then the power of the water load 740 is detected by the power meter 720 of the water load 740 when the electric vacuum type transmitter to be tested is tested.

[0026] In one implementation, the electric vacuum transmitter automatic test system 10 further includes a spark protection module 760 connected to the transmission link 700 .

[0027] In the above implementation process, the above electric vacuum transmitter automatic test system 10 is also provided with a spark protection module 760 connected to the transmission link 700, through which the spark protection module 760 can provide protection when the electric vacuum transmitter to be tested sparks.

[0028] In one embodiment, the electric vacuum transmitter automatic test system 10 further includes a second arbitrary waveform generator 160 connected to the transmission link 700; the second arbitrary waveform generator 160 is connected to the control terminal 200 via the communication bus 100. The second arbitrary waveform generator 160 can input an arbitrary waveform test signal to the transmission link 700.

[0029] In one implementation, the electric vacuum transmitter automatic test system 10 further includes an oscilloscope 730 connected to the detector 710 .

[0030] In the above implementation process, the detector 710 may also be connected to an oscilloscope 730, and the oscilloscope 730 may be used to detect the voltage of the signal generated when the electric vacuum transmitter to be tested is tested.

[0031] In summary, an embodiment of the present invention provides an automatic test system for an electric vacuum transmitter, comprising a communication bus, a test fixture, a test source module, a data acquisition instrument, a vacuum gauge, a control terminal, a signal source, a first arbitrary waveform generator, an interference exciter, a radio frequency switch, a solid-state power amplifier, a matrix switch, a spectrum analyzer, a transmission link, a detector, and a power meter; the vacuum gauge, the data acquisition instrument, the signal source, the test source module, and the first arbitrary waveform generator are all connected to the control terminal via the communication bus, and the data acquisition instrument, the vacuum gauge, the test source module, the solid-state power amplifier, and the transmission link are all connected to the test fixture. The first arbitrary waveform generator is connected to the interference exciter; the first input end of the radio frequency switch and the first control end of the matrix switch are both connected to the interference exciter; the second input end of the radio frequency switch is connected to the signal source; the input end of the solid-state power amplifier is connected to the output end of the radio frequency switch; the first output end of the solid-state power amplifier is connected to the test fixture; the second output end of the solid-state power amplifier is connected to the second control end of the matrix switch; the input end of the matrix switch is connected to the transmission link; the output end of the matrix switch is connected to the spectrum analyzer; the detector is connected to the transmission link; the power meter is connected to the solid-state power amplifier and the detector respectively. Through the automatic test system for electric vacuum transmitters, testers can test electric vacuum transmitters in various simulated complex environments, thereby improving the test efficiency of electric vacuum transmitters.

[0032] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. An automatic test system for electric vacuum transmitters, characterized in that: The invention comprises a communication bus, a test fixture, a test source module, a data acquisition instrument, a vacuum gauge, a control terminal, a signal source, a first arbitrary waveform generator, an interference exciter, a radio frequency switch, a solid-state power amplifier, a matrix switch, a spectrum analyzer, a transmission link, a detector and a power meter; the vacuum gauge, the data acquisition instrument, the signal source, the test source module and the first arbitrary waveform generator are all connected to the control terminal through the communication bus, and the data acquisition instrument, the vacuum gauge, the test source module, the solid-state power amplifier and the transmission link are all connected to the test fixture; the first arbitrary waveform generator is connected to the interference exciter The first input terminal of the radio frequency switch and the first control terminal of the matrix switch are both connected to the interference exciter; the second input terminal of the radio frequency switch is connected to the signal source; the input terminal of the solid-state power amplifier is connected to the output terminal of the radio frequency switch; the first output terminal of the solid-state power amplifier is connected to the test fixture; the second output terminal of the solid-state power amplifier is connected to the second control terminal of the matrix switch; the input terminal of the matrix switch is connected to the transmission link; the output terminal of the matrix switch is connected to the spectrum analyzer; the detector is connected to the transmission link; the power meter is respectively connected to the solid-state power amplifier and the detector.

2. The automatic test system for electric vacuum transmitter according to claim 1, characterized in that: The electric vacuum transmitter automatic test system further comprises a sound protection module connected to the transmission link, and the sound protection module is connected to the control terminal via the communication bus.

3. The automatic test system for electric vacuum transmitter according to claim 1, characterized in that: The electric vacuum transmitter automatic test system also includes a water load connected to the transmission link and a water load power meter connected to the water load; the water load power meter is connected to the control terminal via the communication bus.

4. The automatic test system for electric vacuum transmitter according to claim 1, characterized in that: The electric vacuum transmitter automatic test system also includes an ignition protection module connected to the transmission link.

5. The automatic test system for electric vacuum transmitter according to claim 1, characterized in that: The electric vacuum transmitter automatic test system further comprises a second arbitrary waveform generator connected to the transmission link; the second arbitrary waveform generator is connected to the control terminal via the communication bus.

6. The automatic test system for electric vacuum transmitter according to claim 1, characterized in that: The electric vacuum transmitter automatic test system also includes an oscilloscope connected to the detector.

7. The automatic test system for electric vacuum transmitter according to claim 1, characterized in that: The test source module includes a high voltage power supply, a liquid cooling source, an excitation power supply and a compensation power supply.

8. The automatic test system for electric vacuum transmitter according to claim 1, characterized in that: The communication bus is a LAN bus or a GPIB bus.

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