CN210294400U - Transponder transmission module test equipment - Google Patents
Transponder transmission module test equipment Download PDFInfo
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- CN210294400U CN210294400U CN201920717693.4U CN201920717693U CN210294400U CN 210294400 U CN210294400 U CN 210294400U CN 201920717693 U CN201920717693 U CN 201920717693U CN 210294400 U CN210294400 U CN 210294400U
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Abstract
The utility model relates to a transponder transmission module test equipment, including mutual module and test box (2), test box (2) are built-in: a signal generation module: generating a modulation signal and transmitting it to a transponder transmission module (11); a detection module: receiving a signal from a transponder transmission module (11) and detecting to obtain a demodulation signal; a control module: the signal receiving module is connected with the interaction module, the detection module and the signal generating module respectively, receives signals of the interaction module and transmits the signals to the signal generating module, and meanwhile, demodulates signals of the detection module and transmits test results to the interaction module. Compared with the prior art, the utility model discloses the integrated level is high, has perfected the test demand, has reduced the requirement to the tester, has improved the uniformity of equipment under test function, reduces the risk of makeing mistakes, has improved efficiency of software testing.
Description
Technical Field
The utility model belongs to the technical field of the transponder transmission and specifically relates to a transponder transmission module test equipment is related to.
Background
A responder transmission system (BTS) is a safety transmission system based on point information transmission, and realizes safety information transmission between roadside equipment or ground equipment and vehicle-mounted equipment. The transponder transmission system comprises three basic components of a transponder transmission module BTM), a vehicle-mounted Antenna Unit (AU), an active transponder (controlledBalis), a passive transponder (FixedBalis) and a ground electronic unit (LEU).
The existing test is carried out through a signal generator, a power supply box, an oscilloscope, a load module and the like. The signal generator is used as a signal input end, the modulated signal is used as an input signal of the BTM according to the test requirement, and whether the waveform output of the BTM meets the requirement or not is checked through the oscilloscope. And checking whether the output waveform meets the requirement in the frequency shift range.
Although the existing test method can test the BTM equipment, the efficiency is low, the error is easy to occur, and the test can be carried out only by knowing the application of the test equipment by a tester.
SUMMERY OF THE UTILITY MODEL
The object of the present invention is to provide a transponder transmission module test device for overcoming the above-mentioned drawbacks of the prior art.
The purpose of the utility model can be realized through the following technical scheme:
a transponder transmission module test device comprising an interaction module and a test cartridge, wherein the test cartridge has built therein:
the signal generating module generates a modulation signal and transmits the modulation signal to the transponder transmission module;
the detection module receives the signal from the transponder transmission module and detects the signal to obtain a demodulation signal;
and the control module is respectively connected with the interaction module, the detection module and the signal generation module, receives the signals of the interaction module and transmits the signals to the signal generation module, and simultaneously analyzes the demodulation signals of the detection module and transmits the test results to the interaction module.
The interactive module comprises a display screen, the display screen is used for receiving a user power adjusting instruction, a frequency shift adjusting instruction and a data message selecting instruction and transmitting the user power adjusting instruction, the frequency shift adjusting instruction and the data message selecting instruction to the control module, and the display screen simultaneously displays a test result from the control module.
The signal generation module comprises a frequency shift submodule, a waveform generator, a power amplifier and a power regulation submodule which are connected in sequence, the frequency shift submodule receives a frequency shift regulation signal from the control module, the power regulation submodule receives a power regulation signal from the control module, and a modulation signal is transmitted to the responder transmission module through the power amplifier.
The power regulation submodule comprises an electronic potentiometer X9C 103.
The power amplifier is a B-type power amplifier.
The detection module comprises a filter and a detection circuit which are mutually connected, and a signal from the transponder transmission module sequentially passes through the filter and the detection circuit to obtain a demodulation signal.
The detection module further comprises an antenna connected with the filter, and the antenna is used for receiving the signal from the transponder transmission module.
The detection circuit is a comparator detection circuit.
Compared with the prior art, the utility model has the advantages of it is following:
(1) the signal transmitting instrument and the signal detecting instrument are integrated, the carrying is convenient, and the testing environment is simplified.
(2) The power adjustable function, the frequency shift selectable function and the data transmission selection function are added, and the test requirement is improved.
(3) And the visual operation of the display screen is adopted, so that the test flow is simplified, and the requirements on testers are reduced.
(4) The waveform is detected by the hardware circuit, so that the function consistency of the tested equipment is improved, the error risk is reduced, and the testing efficiency is improved.
(5) The power regulating submodule comprises a zero-crossing power regulator, and the zero-crossing power regulator is wide in regulating range and small in external interference.
(6) The detection circuit is a comparator detection circuit which has simple structure and high efficiency.
(7) The detection module includes an antenna to more sensitively receive the signal from the transponder transmission module.
(8) The power amplifier is a class AB power amplifier that continues to operate better when faced with a low load impedance.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a circuit diagram of a power conditioning sub-module of the present embodiment;
FIG. 3 is a circuit diagram of a power amplifier according to the present embodiment;
FIG. 4 is a circuit diagram of the detector circuit of the present embodiment;
reference numerals:
1 is a display screen; 2 is a test box; 3 is a controller; 4 is a filter; 5 is a detection circuit; 6 is a frequency shift submodule; 7 is a waveform generator; 9 is a power amplifier; 10 is a power regulator sub-module; and 11 is a transponder transmission module.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Examples
A transponder transmission module test equipment comprises an interaction module and a test box 2, wherein the test box 2 is internally provided with:
the signal generating module generates a modulation signal and transmits the modulation signal to the transponder transmission module 11;
the detection module receives the signal from the transponder transmission module 11 and detects the signal to obtain a demodulation signal;
and the control module is respectively connected with the interaction module, the detection module and the signal generation module, receives the signals of the interaction module and transmits the signals to the signal generation module, and simultaneously analyzes the demodulation signals of the detection module and transmits the test results to the interaction module.
The interaction module comprises a display screen 1, the display screen 1 is used for receiving a user power regulation instruction, a frequency shift regulation instruction and a data message selection instruction and transmitting the user power regulation instruction, the frequency shift regulation instruction and the data message selection instruction to the control module, and the display screen 1 simultaneously displays a test result from the control module.
The signal generation module comprises a frequency shift submodule 6, a waveform generator 7, a power amplifier 9 and a power regulation submodule 10 which are connected in sequence, the frequency shift submodule 6 receives a frequency shift regulation signal from the control module, the power regulation submodule 10 receives a power regulation signal from the control module, and the modulation signal transmits a signal to the responder transmission module 11 through the power amplifier 9.
As shown in fig. 3, the power amplifier 9 is a class B power amplifier.
As shown in fig. 2, the power regulation sub-module 10 includes an electronic potentiometer X9C 103.
The detection module comprises a filter 4 and a detection circuit 5 which are connected with each other, and a signal from the transponder transmission module 11 passes through the filter 4 and the detection circuit 5 in sequence to obtain a demodulation signal.
The detection module also comprises an antenna connected to the filter 4 for receiving signals from the transponder transmission module 11.
As shown in fig. 4, the detector circuit 5 is a comparator detector circuit 5.
The test equipment for the transponder transmission module 11 of the present embodiment integrates all test requirements of the transponder transmission module 11, and has the characteristics of high automation and high efficiency.
The purpose of this embodiment is to reduce the requirement to the tester, improve test efficiency, satisfy test result uniformity, provide a highly integrated transponder transmission module 11 test equipment.
Referring to fig. 1, the test equipment includes a display screen 1 and a test box 2. The test cartridge 2 includes: the device comprises a frequency shift module, a waveform generator 7, a power amplifier 9, a power amplifier adjusting module, a filter 4, a detector and a controller 3.
The input end of the transponder transmission module 11 to be tested is connected with the waveform output interface of the test equipment, and the output end of the transponder transmission module 11 is connected with the antenna of the test equipment. The display screen 1 is operated, the output power and frequency offset are selected, the signal generating module of the test equipment outputs corresponding signals, the output of the transponder transmission module 11 is filtered and detected by the detection port, analyzed and judged by the controller 3, and the result is sent to the display screen 1.
The working principle of the embodiment is as follows: the transponder transmission module 11 needs to have FSK signal input of fixed frequency shift, and the transponder transmission module 11 outputs FSK signal output with certain power. The output of the test equipment must meet the functions of power amplifier adjustment and frequency shift adjustment, a data message to be sent is selected through the display screen 1, the sending power and the frequency shift are set, and the data is output to the transponder transmission module 11 through the output interface of the test equipment after being modulated. The detection module of the test equipment has to meet the filtering and detection functions, can accurately capture the output signal of the transponder transmission module 11, measure the frequency and the power, the controller 3 compares the detected data message of the transponder transmission module 11 with the data message in the database, judges whether the data sent by the transponder transmission module 11 is correct or not, and displays the detection result on the display screen 1.
In the embodiment, the integrated test equipment replaces instruments and meters, so that the test steps are simplified, the integration degree is high, the skill requirement on testers is reduced, and the production efficiency is improved. Through adjustable power, adjustable frequency shift, optional sending data, more perfect comprehensive test transponder transmission module 11 equipment, through automatic detection, controller 3 compares the test result automatically, has improved the test accuracy.
The detection circuit 5 is a comparator detection circuit 5, and the waveform is detected through a hardware circuit, so that the function consistency of the tested equipment is improved, the error risk is reduced, and the test efficiency is improved.
Claims (8)
1. A transponder transmission module test device, characterized by comprising an interaction module and a test cartridge (2), wherein the test cartridge (2) has built-in:
the signal generation module generates a modulation signal and transmits the modulation signal to the transponder transmission module (11);
the detection module receives the signal from the transponder transmission module (11) and detects the signal to obtain a demodulation signal;
and the control module is respectively connected with the interaction module, the detection module and the signal generation module, receives the signals of the interaction module and transmits the signals to the signal generation module, and simultaneously analyzes the demodulation signals of the detection module and transmits the test results to the interaction module.
2. The transponder transmission module test device according to claim 1, wherein the interaction module comprises a display screen (1), the display screen (1) is used for receiving a user power adjustment instruction, a frequency shift adjustment instruction and a data message selection instruction and transmitting the user power adjustment instruction, the frequency shift adjustment instruction and the data message selection instruction to the control module, and the display screen (1) simultaneously displays a test result from the control module.
3. The test equipment for the transmission module of the transponder as claimed in claim 1, characterized in that the signal generation module comprises a frequency shift submodule (6), a waveform generator (7), a power amplifier (9) and a power adjustment submodule (10) which are connected in sequence, the frequency shift submodule (6) receives the frequency shift adjustment signal from the control module, the power adjustment submodule (10) receives the power adjustment signal from the control module, and the modulation signal is transmitted to the transmission module (11) of the transponder via the power amplifier (9).
4. A transponder transmission module testing device according to claim 3, characterized in that the power regulation submodule (10) comprises an electronic potentiometer X9C 103.
5. A transponder transmission module testing device according to claim 3, characterized in that the power amplifier (9) is a class B power amplifier.
6. A transponder transmission module testing device according to claim 1, characterized in that the detector module comprises a filter (4) and a detector circuit (5) connected to each other, and the signal from the transponder transmission module (11) is passed through the filter (4) and the detector circuit (5) in order to obtain a demodulated signal.
7. A transponder transmission module testing device according to claim 6, characterized in that the detection module further comprises an antenna connected to the filter (4), the antenna being adapted to receive signals from the transponder transmission module (11).
8. A transponder transmission module testing device according to claim 6, characterized in that the detector circuit (5) is a comparator detector circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920717693.4U CN210294400U (en) | 2019-05-17 | 2019-05-17 | Transponder transmission module test equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920717693.4U CN210294400U (en) | 2019-05-17 | 2019-05-17 | Transponder transmission module test equipment |
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| CN210294400U true CN210294400U (en) | 2020-04-10 |
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| CN201920717693.4U Active CN210294400U (en) | 2019-05-17 | 2019-05-17 | Transponder transmission module test equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111698002A (en) * | 2020-05-28 | 2020-09-22 | 中国铁路设计集团有限公司 | Transponder monitoring device |
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2019
- 2019-05-17 CN CN201920717693.4U patent/CN210294400U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111698002A (en) * | 2020-05-28 | 2020-09-22 | 中国铁路设计集团有限公司 | Transponder monitoring device |
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