A radio / antenna alignment test apparatus, system and method

Abstract

The application provides a radio station / antenna adjustment testing device, system and testing method. The testing device has simple interface, reasonable layout, convenient processing, portability, reliable quality and complete functions, and can meet the maintenance testing requirements of a certain type of radio station and antenna adjustment. The testing device can realize simultaneous online testing of the antenna adjustment and the radio station by getting rid of the operation of the control box of the radio station. The liquid crystal digital control screen is used after reverse compiling the original program, the data display information is more intuitive, the touch screen operation is simple, the function is stable, the standing wave ratio, reverse power and forward power data are directly displayed on the screen, the influence of the radio frequency transmission signal on the receiving part is avoided, the testing time of the maintenance detection of the aviation radio station / antenna adjustment is shortened, and the problem of simultaneous online testing and maintenance of the radio station / antenna adjustment is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of test equipment, in particular to a radio station / antenna tuning test equipment, system and test method. BACKGROUND

[0002] At present, there is no equipment that can test a certain type of radio station / antenna tuning tester in China, and the radio station / antenna tuning tester is a foreign imported part, which is difficult to understand and test. The project team has solved this difficult problem through consulting materials, consulting various parties and repeated experiments. SUMMARY

[0003] The present application relates to the technical field of test equipment, in particular to a radio station / antenna tuning test equipment, system and test method.

[0004] In order to achieve the above-mentioned purpose, the technical scheme adopted by the present application is as follows:

[0005] A radio station / antenna tuning test equipment, comprising a shell and a circuit structure in the shell, the circuit structure comprising a circuit mainboard, a volume and static noise adjusting circuit module, a power supply control circuit module, a power standing wave ratio detection circuit module, a radio station control interface circuit module, a parallel test and control circuit module, an internal and external control switching switch circuit module and a liquid crystal screen control bus module, the volume and static noise adjusting circuit module, the power supply control circuit module, the liquid crystal screen control bus module and the internal and external control switching switch circuit module are connected on the circuit mainboard, the parallel test and control circuit module and the radio station control interface circuit module are connected on the internal and external control switching switch circuit module in sequence, and the power standing wave ratio detection circuit module is connected with the power supply control circuit module.

[0006] The control panel is arranged on the shell, and includes an antenna tuning standing wave ratio measurement detection area, an analog control detection area, a connector lead function area, a radio control area, an antenna tuning control area, a direct current power supply area, an audio interface area and a radio interface area. The radio interface area is connected with the radio control interface circuit module, and is used for accessing a radio transceiver and an antenna tuner. The connector lead function area, the radio control area and the antenna tuning control area are respectively connected with the parallel test and control circuit module, and are used for monitoring input and output pins of the radio transceiver and the antenna tuner in real time. The audio interface area is connected with a TX / RX circuit module, and input audio.

[0007] Preferably, the power supply control circuit module includes a power switch and a direct current power conversion and voltage stabilizing module.

[0008] Preferably, the standing wave test liquid crystal display screen and the analog control liquid crystal display screen are both high-resolution reflective TFT-LCD liquid crystal capacitive screens.

[0009] Another object of the present application is to provide a radio / antenna tuning test system, which includes the test device, and further includes a component to be tested, a 28VDC direct current power supply, an electric chronograph and a radio comprehensive test instrument. The component to be tested is connected with the interface of the radio interface area of the test device. The radio comprehensive test instrument is connected with the RX / TX circuit of the audio interface area of the test device. The electric chronograph is connected with the radio control area. The 28VDC direct current power supply is used for supplying power to the test device.

[0010] Preferably, the component to be tested includes a radio, and can further include an antenna tuner. The radio includes a radio direct current power supply, which is used for supplying power to the radio.

[0011] The last object of the present application is to provide a radio / antenna tuning test method, which includes the following steps:

[0012] After the radio / antenna tuning test system is assembled, the input signal of the component to be tested is obtained after the radio and the antenna tuner are connected, and is displayed on the liquid crystal display screen. The comprehensive test conditions are selected and controlled by adjusting the volume and muting knobs;

[0013] The test mode is selected by adjusting the switch, including the upper sideband test mode, the lower sideband test mode, the amplitude modulation voice test mode, the equal amplitude report and the data test mode.

[0014] The input or output signal of the receiving monitoring radio and the antenna tuner is selected by adjusting the inner and outer control switching switch of the radio control area.

[0015] The radio frequency signal is introduced into the standing wave ratio measurement detection area of the antenna tuner by adjusting the power supply conversion and voltage stabilizing module, and the forward power, the reverse power and the standing wave ratio parameters of the radio are monitored in real time.

[0016] The radio / antenna tuning test device, system and test method provided by the application have the advantages that:

[0017] The radio / antenna tuning test device, system and test method provided by the application have the advantages that: BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is the radio / antenna tuning test device circuit structure provided in embodiment 1;

[0019] 1 is a radio control interface circuit module, 2 is a parallel test and control point circuit module, 3 is an inner and outer control switching switch circuit module, 4 is an audio circuit connection module, 5 is a muting gear adjustment and security switching circuit, 6 is a volume adjustment circuit, 7 is an analog control data line, 8 is a power switch, 9 is a direct current power supply conversion and voltage stabilizing circuit module, 10 is a power standing wave ratio detection, 11 is a liquid crystal screen control bus module, and 12 is a data bus.

[0020] Figure 2 is the radio / antenna tuning test device control panel schematic diagram provided in embodiment 1;

[0021] Figure 3 is the radio / antenna tuning test system composition diagram provided in embodiment 2; Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0023] Example 1

[0024] This embodiment provides a radio / antenna tuning test device, including a housing and a circuit structure inside the housing, the circuit structure as follows: Figure 1 As shown, the circuit includes a main board, a volume and squelch adjustment circuit module, a power control circuit module, a power standing wave ratio (VSWR) detection circuit module, a radio control interface circuit module, a parallel test and control circuit module, an internal and external control switching circuit module, and an LCD screen control bus module. The volume and squelch adjustment circuit module, the power control circuit module, the LCD screen control bus module, and the internal and external control switching circuit module are connected to the main board. The parallel test and control circuit module and the radio control interface circuit module are sequentially connected to the internal and external control switching circuit module. The power standing wave ratio (VSWR) detection circuit module is connected to the power control circuit module.

[0025] The housing in this embodiment is provided with a control panel, such as... Figure 2 As shown, the system includes an antenna VSWR measurement and testing area, an analog control testing area, a connector lead function area, a radio control area, an antenna control area, a DC power supply area, an audio interface area, and a radio interface area. The antenna VSWR measurement and testing area includes a VSWR test LCD screen and an RF interface. The RF interface is connected to the power VSWR detection circuit module, and the VSWR test LCD screen is connected to the main circuit board for measuring the antenna power VSWR. The analog control testing area includes an analog control LCD screen and a volume and squelch adjustment knob. The volume and squelch adjustment knob is connected to the volume and squelch adjustment... The circuit modules are connected, and the LCD screen is connected to the main circuit board via the LCD screen control bus module to control the test conditions of the analog radio / antenna tuner; the radio interface area is connected to the radio control interface circuit module to connect the radio transceiver and the antenna tuner; the connector lead function area, the radio control area, and the antenna tuner control area are respectively connected to the parallel test and control circuit module to monitor the input and output pins of the radio transceiver and the antenna tuner in real time; the audio interface area is connected to the TX / RX circuit module to input audio.

[0026] The power control circuit module in this embodiment includes a power switch and a DC power conversion and voltage regulation module. The power switch controls the power input of the entire device, and the DC power conversion and voltage regulation module is connected to the DC power adjustment button in the DC power area of ​​the control panel to adjust the DC voltage required for testing.

[0027] In this embodiment, both the standing wave test LCD screen and the analog control LCD screen adopt a high-resolution reflective TFT-LCD capacitive screen. The test equipment also includes a power-saving control module, which automatically controls the display brightness and refresh rate and controls the output power by judging the actual operation of the finger.

[0028] Example 2

[0029] This embodiment provides a radio / antenna tuning test system, such as Figure 3 As shown, the test equipment includes the aforementioned component under test, a 28VDC power supply, a stopwatch, and a radio integrated tester. The component under test is connected to the interface of the radio interface area of ​​the test equipment. The radio integrated tester is connected to the RX / TX circuit of the audio interface area of ​​the test equipment. The stopwatch is connected to the radio control area. The 28VDC power supply is used to power the test equipment.

[0030] The test system in this embodiment also includes a radio station, and may also include an antenna tuner. The radio station includes a DC power supply for powering the radio station.

[0031] Example 3

[0032] This embodiment provides a radio / antenna testing method, including the following steps:

[0033] The radio / atmosphere testing system is arranged according to Figure 3 After assembly, the radio and antenna tuner are connected, the input signal of the component under test is acquired and displayed on the LCD screen. The comprehensive test conditions can be selected by adjusting the volume and squelch knob.

[0034] The test mode can be selected by adjusting the switch, including: upper band test mode, lower band test mode, amplitude modulation test mode, constant amplitude report and data test mode;

[0035] By adjusting the internal and external control switch of the radio control area, you can select to receive or monitor the input or output signals of the radio station and antenna tuner.

[0036] By adjusting the current power conversion and voltage regulation module, the radio frequency signal is introduced into the antenna tuning VSWR measurement and detection area to monitor the radio station's forward power, reverse power and VSWR parameters in real time.

[0037] When each mode test is performed, receiving test and transmitting test are included, wherein the receiving test includes:

[0038] First, connect the radio connection port CONNECEOR1 on the tester panel with the test line to the radio to be tested, connect the MIC and AU to the AF-IN and AF-OUT of the radio comprehensive tester respectively, connect the 28VDC to the DC stabilized power supply, after the connection, turn on the power switch, the liquid crystal display screen displays the radio information, select the function key of the liquid crystal display screen to switch to the manual editing mode, through the menu key on the display screen, the frequency in the test range can be changed at will, for example, when testing the 6MHz frequency signal, the frequency needs to be set to 6MHz, select the USB communication mode, the same frequency receiving mode, then change the frequency signal of the radio comprehensive tester to 6.001MHz, the USB communication mode, the modulation frequency is set to 1kHz, the audio amplitude is set to 1Uv, the sensitivity, distortion, audio amplitude and other information of the received signal are read on the audio analysis, the volume knob of the tester is used to change the volume output size, the quieting switch is used to control the quieting level and the control of the security function.

[0039] When transmitting test is performed, connect the radio connection port CONNECEOR1 on the tester panel with the test line to the radio to be tested, connect the MIC and AU to the AF-IN and AF-OUT of the radio comprehensive tester respectively, connect the TX radio frequency of the standing wave ratio measurement area to the radio frequency port of the radio, connect the ANT to the radio frequency input end of the antenna tuner, connect the antenna tuner control area to the control port of the antenna tuner, connect the 28VDC to the DC stabilized power supply, turn on the power of the control simulation area and the standing wave ratio measurement area respectively, for example, when testing the 6MHz frequency signal, the frequency needs to be set to 6MHz, select the USB communication mode, the same frequency transmitting mode, then adjust the signal transmitting source of the radio comprehensive tester to 6MHz, the transmitting level is 780Mv, the modulation degree is 30%, the modulation frequency is set to 1kHz, and the PTT switch is turned on to start transmitting, the forward power value, the reverse power value and the standing wave ratio value are read through the standing wave measurement area of the tester, so as to judge the working state of the radio and the antenna tuner.

[0040] By adopting the above technical scheme disclosed by the application, the following beneficial effects are obtained:

[0041] The application provides a radio station / antenna tuner testing device, system and testing method, which has simple interface, reasonable layout, convenient processing, portability, reliable quality and complete functions, and can meet the maintenance testing requirements of a certain type of radio station and antenna tuner. The testing device can realize simultaneous online testing of the antenna tuner and the radio station by getting rid of the operation of the control box of the radio station. The data display information is more intuitive by using the liquid crystal digital control screen after reverse compiling the original program. The touch screen operation is simple, the function is stable, the standing wave ratio, reverse power and forward power data are directly displayed on the screen, the influence on the receiving part during the radio frequency transmission signal is avoided, the testing time of the maintenance and detection of the aviation radio station / antenna tuner is shortened, and the problem of simultaneous online testing and maintenance of the radio station / antenna tuner is solved.

[0042] The above only describes the preferred embodiments of the application. It should be noted that those skilled in the art can make some improvements and refinements without departing from the principles of the application, and these improvements and refinements should be considered as the protection scope of the application.

Claims

1. A station / azimuth test equipment characterized by, The application relates to a radio / antenna tuner test system, which comprises a shell and a circuit structure in the shell, wherein the circuit structure comprises a circuit mainboard, a volume and static noise adjusting circuit module, a power control circuit module, a power standing wave ratio detection circuit module, a radio control interface circuit module, a parallel test and control circuit module, an internal and external control switching switch circuit module and a liquid crystal screen control bus module; the volume and static noise adjusting circuit module, the power control circuit module, the liquid crystal screen control bus module and the internal and external control switching switch circuit module are connected to the circuit mainboard; the parallel test and control circuit module and the radio control interface circuit module are sequentially connected to the internal and external control switching switch circuit module; and the power standing wave ratio detection circuit module is connected to the power control circuit module. The control panel is arranged on the shell and comprises a radio / antenna tuner standing wave ratio measurement detection area, an analog control detection area, a connector lead function area, a radio control area, a radio / antenna tuner control area, a direct current power supply area, an audio interface area and a radio interface area; the radio / antenna tuner standing wave ratio measurement detection area comprises a standing wave test liquid crystal display screen and a radio frequency interface; the radio frequency interface is connected to the power standing wave ratio detection circuit module; the standing wave test liquid crystal display screen is connected to the circuit mainboard and used for measuring the radio / antenna tuner power standing wave ratio; the analog control detection area comprises an analog control liquid crystal display screen and a volume and static noise adjusting knob; the volume and static noise adjusting knob is connected to the volume and static noise adjusting circuit module; the liquid crystal display screen is connected to the circuit mainboard through the liquid crystal screen control bus module and used for controlling the test conditions of the analog radio / antenna tuner; the radio interface area is connected to the radio control interface circuit module and used for connecting the radio transceiver and the antenna tuner; the connector lead function area, the radio control area and the radio / antenna tuner control area are respectively connected to the parallel test and control circuit module and used for monitoring the input and output pins of the radio transceiver and the antenna tuner in real time; the audio interface area is connected to a TX / RX circuit module and used for inputting audio; The radio / antenna tuner test comprises the following steps: After the radio / antenna tuner test system is assembled, the input signals of the components to be tested are obtained and displayed on the liquid crystal display screen by connecting the radio and the antenna tuner; the comprehensive test conditions are selected by adjusting the volume and static noise adjusting knob; The test mode is selected by adjusting the switch, and the test mode specifically comprises an upper sideband test mode, a lower sideband test mode, an amplitude modulation voice test mode, an equal amplitude report and a data test mode; The input or output signals of the radio and the antenna tuner are selected by adjusting the internal and external control switching switch of the radio control area; The radio frequency signals are introduced into the radio / antenna tuner standing wave ratio measurement detection area by adjusting the direct current power supply conversion and voltage stabilizing module, and the forward power, the reverse power and the standing wave ratio parameters of the radio are monitored in real time.

2. The station / positioning test equipment of claim 1, wherein, The power control circuit module comprises a power switch and a direct current power supply conversion and voltage stabilizing module; the power switch controls the power supply access of the whole device; and the direct current power supply conversion and voltage stabilizing module is connected to the direct current power supply adjusting button of the direct current power supply area of the control panel and used for adjusting the direct current voltage required by the test.

3. The station / positioning test equipment of claim 1, wherein, The standing wave test liquid crystal display screen and the analog control liquid crystal display screen both adopt high-resolution reflective TFT-LCD liquid crystal capacitive screens, and the test equipment further comprises a power saving control module which automatically controls display brightness and refresh rate by judging actual operation of a finger, thereby controlling output power.

4. A radio / over-the-air test system, comprising: The test equipment comprises the test equipment of any one of claims 1-3, further comprising a component to be tested, a 28VDC direct current power supply, an electric chronograph and a radio comprehensive tester, the component to be tested being connected to an interface of a radio interface area of the test equipment, the radio comprehensive tester being connected to RX / TX circuit of an audio interface area of the test equipment, the electric chronograph being connected to the radio control area, and the 28VDC direct current power supply being used to supply power to the test equipment.

5. The system of claim 4, wherein the system is configured to: The component to be tested comprises a radio, and further comprises an antenna tuner, the radio comprising a radio direct current power supply used to supply power to the radio.

Images