CN214409277U - Radar tester - Google Patents
Radar tester Download PDFInfo
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- CN214409277U CN214409277U CN202120208666.1U CN202120208666U CN214409277U CN 214409277 U CN214409277 U CN 214409277U CN 202120208666 U CN202120208666 U CN 202120208666U CN 214409277 U CN214409277 U CN 214409277U
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Abstract
The utility model provides a radar tester relates to radar test technical field, radar tester includes: the device comprises a main control board, a signal simulator, a receiving and transmitting assembly and a power supply assembly; the signal simulator, the receiving and transmitting assembly and the power supply assembly are all in conductive connection with the main control board; the signal simulator and the receiving and transmitting assembly are in conductive connection with the power supply assembly; the signal simulator is used for generating a target simulation signal required by the radar device to be tested; the receiving and transmitting component is used for realizing communication between the signal simulator and the radar device to be tested; the power supply assembly is used for converting commercial power into working voltage required by the main control board, the signal simulator and the receiving and transmitting assembly; the main control board, the signal simulator, the receiving and transmitting assembly and the power supply assembly are all integrated in a box body. The utility model provides a radar tester, multiple functional, convenient to carry can improve radar maintenance efficiency.
Description
Technical Field
The utility model relates to a radar test technical field relates to a radar tester especially.
Background
Currently, the self-checking function of radar devices is not sufficient. When the radar device breaks down, the operating personnel can not carry out fault location and diagnosis by themselves, and special maintenance personnel are needed for maintenance. And the maintenance equipment that the maintainer carried is also mixed and disorderly various, so, all bring inconvenience for radar operating personnel and maintainer's work for whole maintenance process is long, maintenance efficiency is low.
SUMMERY OF THE UTILITY MODEL
To the problem among the above-mentioned prior art, this application has provided a radar tester, and its multiple functional, convenient to carry can improve radar maintenance efficiency.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a radar tester, comprising:
the device comprises a main control board, a signal simulator, a receiving and transmitting assembly and a power supply assembly; the signal simulator, the receiving and transmitting assembly and the power supply assembly are all in conductive connection with the main control board; the signal simulator and the transceiving component are both in conductive connection with the power supply component;
the signal simulator is used for generating a target simulation signal required by the radar device to be tested;
the receiving and transmitting component is used for realizing communication between the signal simulator and the radar device to be tested;
the power supply assembly is used for converting mains supply into working voltage required by the main control board, the signal simulator and the receiving and transmitting assembly;
the main control board, the signal simulator, the transceiving component and the power supply component are all integrated in a box body.
Preferably, an FPGA chip and a DSP chip are integrated in the signal simulator.
Preferably, the transceiver component comprises an antenna; the antenna is an omnidirectional whip antenna.
Preferably, the signal simulator, the transceiver module and the power supply module are all connected with the main control board in a pluggable mode.
Preferably, the signal simulator, the transceiver module and the power supply module are all in conductive connection with the main control board in a blind plugging manner.
Furthermore, a plurality of independent cavities are arranged in the box body, and the signal simulator, the transceiving component and the power supply component are respectively arranged in the cavities matched with each other.
Furthermore, a keyboard and a display are arranged on the front panel of the box body; the keyboard and the display are both in conductive connection with the main control board.
Furthermore, a radio frequency signal interface and a low frequency signal interface are also arranged on the front panel of the box body; the radio frequency signal interface and the low frequency signal interface are both in conductive connection with the signal simulator.
Furthermore, a time sequence signal interface is also arranged on the front panel of the box body; the time sequence signal interface is electrically connected with the signal simulator.
Furthermore, a switch button of the power supply assembly is arranged on the front panel of the box body;
the rear panel of the box body is also provided with a mains supply access port, and the mains supply access port is in conductive connection with the power supply assembly;
the rear panel of the box body is also provided with a fuse holder, and the fuse holder is used for mounting a fuse; the main control board, the signal simulator, the transceiving component and the power supply component are all in conductive connection with the fuse.
Furthermore, handles are respectively arranged on two sides of the front panel of the box body.
The above-mentioned technical characteristics can be combined in various suitable ways or replaced by equivalent technical characteristics as long as the purpose of the invention can be achieved.
The utility model provides a radar tester will detect all integrated in a box of each part that radar installation is required, and wherein, signal simulator is used for producing the required target analog signal of surveyed radar installation, and the receiving and dispatching subassembly is used for realizing signal simulator and surveyed the communication between the radar installation. When an operator needs to detect the radar device, the device can be used for signal interaction with the radar device by oneself, and whether the interaction information between the device and the radar device is normal or not is judged, so that the aim of improving the radar overhauling efficiency is fulfilled.
Drawings
The present invention will be described in more detail hereinafter based on embodiments and with reference to the accompanying drawings. Wherein:
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a working schematic diagram of the embodiment of the present invention;
fig. 3 is a schematic structural view of a front panel of a box body according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a rear panel of the box body according to an embodiment of the present invention.
Reference numerals:
1-a front panel of a box body, 11-a keyboard, 12-a display, 13-a radio frequency signal interface, 14-a low-frequency signal interface, 15-a time sequence signal interface, 16-a switch key, 17-a lifting handle, 2-a rear panel of the box body, 21-a mains supply access port and 22-a fuse holder.
The figures are not drawn to scale.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The utility model provides a radar tester adopts the modularized design, as shown in figure 1, include: the power supply module comprises a main control board, a signal simulator, a receiving and transmitting assembly and a power supply assembly, wherein the signal simulator, the receiving and transmitting assembly and the power supply assembly are all in conductive connection with the main control board, and the main control board is used for controlling specific execution actions of the signal simulator, the receiving and transmitting assembly and the power supply assembly. The signal simulator and the receiving and transmitting assembly are electrically connected with the power supply assembly, and the power supply assembly supplies required working voltage to the signal simulator, the receiving and transmitting assembly and the main control board.
In this embodiment, the signal simulator is used for generating a target simulation signal required by the radar device to be tested; the receiving and transmitting component is used for realizing communication between the signal simulator and the radar device to be tested; the power supply assembly is used for converting mains supply into working voltage required by the main control board, the signal simulator and the receiving and transmitting assembly. When an operator needs to detect the radar device, the device can be used for signal interaction with the radar device by oneself, and whether the interaction information between the device and the radar device is normal or not is judged, so that the aim of improving the radar overhauling efficiency is fulfilled. Meanwhile, the main control board, the signal simulator, the receiving and transmitting assembly and the power supply assembly are all integrated in one box body, so that the carrying and carrying of operators are facilitated.
In this embodiment, the measured radar device is specifically a finger control radar.
Specifically, the Signal simulator of this embodiment integrates an FPGA (Field Programmable Gate Array) chip and a DSP (Digital Signal Processing) chip, and can generate various target analog signals required by the radar device to be tested by using corresponding FPGA and DSP software.
In this embodiment, the signal simulator includes a radar target simulation function, a weapon unit simulation function, and a component detection function. As shown in fig. 2, when a radar target is simulated, a radar moving target echo signal meeting the receiving requirement of the radar device can be generated under the control of a coherent clock, a transmit-receive pulse, a frame synchronization signal, a mode control signal and the like provided by the radar device; the simulation function of the weapon unit comprises a positioning function and a command function, and when the weapon unit is simulated, the weapon unit receives and decodes positioning, communication command and other commands issued by the radar device to be tested and answers corresponding response signals according to the command types; when the component is detected, the detection of the gain, the time sequence signal and the voltage of the detected component is mainly completed. The tested components comprise a high-frequency receiving component of the tested radar device, a medium-frequency receiving component of the tested radar device, a time sequence control component of the tested radar device and a power supply component of the tested radar device.
In this embodiment, the transceiver component includes an antenna, and the antenna is preferably an omnidirectional whip antenna, and is used to complete transmission and reception of radio frequency signals when the signal simulator realizes positioning and command function detection. In addition to the above-described antenna, the transceiver module includes a wireless communication module and other auxiliary function modules. As shown in fig. 2, the transceiver module may mix, amplify and transmit a radar moving target echo signal output during radar target simulation and a modulation code signal output during weapon unit simulation. Meanwhile, the positioning communication signal issued by the radar device to be detected can be received, and the positioning communication signal is subjected to frequency mixing, amplification and filtering processing, so that a 60MHz intermediate frequency signal is output. When the function of the component is detected, the excitation signal can be provided for the tested high-frequency receiving component. The "60 MHz intermediate frequency signal" is the "positioning/directing intermediate frequency signal" in fig. 2, and the "positioning directing radio frequency" in fig. 2 is down-converted after the frequency mixing processing of the transceiving component, and outputs the 60MHz intermediate frequency signal.
In order to improve the maintenance efficiency, the present embodiment adopts a modular design, and specifically, the signal simulator, the transceiver module and the power supply module are all connected with the main control board in a pluggable manner. Preferably, the signal simulator, the receiving and transmitting assembly and the power supply assembly are in conductive connection with the main control board in a blind plugging mode, so that the tester is further convenient for an operator to disassemble and assemble and realize quick plugging.
Furthermore, a plurality of independent cavities are arranged in the box body, and the signal simulator, the receiving and transmitting assembly and the power supply assembly are respectively arranged in the cavities matched with the signal simulator, the receiving and transmitting assembly and the power supply assembly, so that mutual interference among signals is avoided.
In this embodiment, as shown in fig. 3, a keyboard 11 and a display 12 are further disposed on the front panel 1 of the box body, and both the keyboard 11 and the display 12 are electrically connected to the main control board. The main control board is also used for receiving various parameters input by a user through the keyboard 11, processing the received parameters, and controlling the signal simulator and/or the transceiving component and/or the display 12 to execute corresponding operations according to the processing result; the display 12 is used for displaying the result of the signal simulation under the control of the main control panel.
Further, a radio frequency signal interface 13 and a low frequency signal interface 14 are further arranged on the front panel 1 of the box body, and both the radio frequency signal interface 13 and the low frequency signal interface 14 are in conductive connection with the signal simulator. The radio frequency signal interface 13 is used for connecting an external measured high-frequency receiving component, and the low-frequency signal interface 14 is used for connecting an external measured intermediate-frequency receiving component, and connecting the measured high-frequency receiving component and the measured intermediate-frequency receiving component to the signal simulator. The signal simulator can detect main output signals of the high-frequency receiving assembly and the intermediate-frequency receiving assembly and judge whether the working states of the high-frequency receiving assembly and the intermediate-frequency receiving assembly are normal or not.
The main function of the high-frequency receiving module and the intermediate-frequency receiving module is to amplify signals, and the receiving gain is the main index. The high-frequency receiving assembly or the intermediate-frequency receiving assembly amplifies and outputs an input excitation signal, and the signal simulator judges the gain of the high-frequency receiving assembly or the intermediate-frequency receiving assembly according to the output signal amplitude value, so that the detection of the high-frequency receiving assembly or the intermediate-frequency receiving assembly is completed.
Furthermore, a timing signal interface 15 is further arranged on the front panel 1 of the box body, and the timing signal interface 15 is electrically connected with the signal simulator. The timing signal interface 15 is used for connecting an external measured timing control component and connecting the measured timing control component to the signal simulator. The signal simulator can detect the main output signal of the time sequence control assembly and judge whether the working state is normal or not. In addition, the signal simulator can also detect the output voltage of the power supply assembly and judge whether the working state of the power supply assembly is normal or not.
Specifically, after the signal simulator digitizes analog signals output by the high-frequency receiving component, the intermediate-frequency receiving component, the timing control component and the power supply component, the detection result is judged according to whether the amplitude value of the digital signal is in a preset normal interval.
Furthermore, the front panel 1 of the box body is also provided with a switch button 16 of the power supply assembly, and the switch button is used for controlling the on-off of the power supply assembly. Meanwhile, as shown in fig. 4, the rear panel 2 of the box body is further provided with a mains supply inlet 21, the mains supply inlet 21 is electrically connected with a power supply assembly, specifically, an input port of the power supply assembly, the power supply assembly converts 220V ac mains supply into +5V, -5V, +12V, -12V and other dc voltages, and supplies the dc voltages to the main control panel, the signal simulator, the transceiver assembly and other modules through an output port.
Further, as shown in fig. 4, a fuse holder 22 is provided on the rear panel 2 of the case, and the fuse holder 22 is used for mounting a fuse. The main control board, the signal simulator, the receiving and transmitting assembly and the power supply assembly are all electrically connected with the fuse. When a fuse is blown out due to an abnormal voltage or current in one of the modules, the fuse holder 22 can effectively prevent the temperature of each module from being too high, thereby effectively protecting each module.
In order to further facilitate the carrying and carrying of the operator, handles 17 are respectively arranged on two sides of the front panel 1 of the box body.
The operation method and the work flow of the tester are described in detail below with reference to fig. 2 again:
(1) target detection function detection
When the radar target detection function is detected, the keyboard on the front panel of the box body is used for setting, the tester is controlled to enter a radar mode, parameters of a simulation target, such as initial distance, speed, Doppler, azimuth angle and the like, are set, a transmitting channel of the radar device to be detected is mainly completed by self-checking, and the receiving and processing channel detection of the radar device to be detected is mainly completed by the tester. The tester generates 1-3 batches of radar moving target echo signals which are fully coherent with the radar device to be tested and have different motion characteristics in real time according to parameter setting, the radar moving target echo signals are input into the radar device to be tested through radio frequency signals or intermediate frequency signals, the radar device to be tested outputs target tracks after processing the radar moving target echo signals, and target detection function detection of the radar device to be tested is completed.
Specifically, when the radar moving target signal is simulated, the tester outputs a corresponding radar moving target echo signal by adopting direct digital frequency synthesis according to set parameters under the control of a receiving and transmitting control signal and a synchronous clock of a tested radar device, a frequency control code and a program control code are output to control the receiving and transmitting assembly to work, and the receiving and transmitting assembly outputs the radar moving target echo signal after frequency mixing and amplification. And after receiving, down-converting, signal processing and data processing are carried out on the radar moving target echo signal output by the tester by the tested radar device, outputting track information of the radar target and displaying the track information on radar control terminal software, and if the radar control terminal can normally display the target track, indicating that a receiving and processing channel of the tested radar device is normal.
(2) Weapon unit positioning and firing command function detection
When the positioning and shooting command functions are detected, the keyboard on the front panel of the box body is used for setting, and the tester is controlled to enter a positioning mode. After receiving the positioning signal sent by the tested radar device, the tester processes the positioning signal, extracts the positioning information, answers the response signal after confirming the serial number, and completes the positioning function detection. When conducting command control, the tester receives and decodes a communication command or the air condition information sent by the radar device to be tested, finally displays the received command and the target air condition on the display of the front panel, compares the displayed result with the command sent by the radar device to be tested, and judges whether the positioning and command functions work normally, thereby completing the positioning and command function detection of the radar device to be tested.
Specifically, after receiving a positioning signal sent by a radar device to be tested, the tester performs frequency mixing, amplification and filtering processing in the transceiving component, and then performs analog-to-digital conversion, digital down-conversion, correlation and filtering processing to extract positioning information. After the tester confirms the serial number, the tester answers the response signal with the self serial number until the self positioning is completed. The number (1-12) built in the tester can be changed through a keyboard on the front panel. When conducting command control, the tester receives and decodes a communication command or the air condition information sent by the tested radar device, and finally displays the received command and the target air condition on the display of the front panel.
(3) Component performance detection
When the performance of the assembly is detected, the keyboard on the front panel of the box body is used for setting, the tester is controlled to enter an assembly detection mode, the tester provides radio frequency excitation signals for the high-frequency receiving assembly to be detected, amplitude judgment is respectively carried out on 60MHz intermediate-frequency signals output by the high-frequency receiving assembly and the intermediate-frequency receiving assembly, and the detection of receiving gain of the high-frequency receiving assembly and the intermediate-frequency receiving assembly is completed; the timing control assembly finishes the judgment and detection of the output main timing signal; the DC +5V, -5V, +12V, -12V and other voltages output by the power supply assembly are detected and judged, and the detection results of all the assemblies can be displayed on the front panel display.
The utility model provides a radar tester will detect all integrated in a box of each part that radar installation is required, and wherein, signal simulator is used for producing the required target analog signal of surveyed radar installation, and the receiving and dispatching subassembly is used for realizing signal simulator and surveyed the communication between the radar installation. When an operator needs to detect the radar device, the device can be used for signal interaction with the radar device by oneself, and whether the interaction information between the device and the radar device is normal or not is judged, so that the aim of improving the radar overhauling efficiency is fulfilled.
The utility model provides a radar tester is a portable integrated tester, is one set of test equipment who integrates. The radar device based software and hardware platform can realize basic function detection and fault diagnosis positioning of the radar device, solves the technical problem that existing detection equipment is lack, and provides powerful support for radar guarantee capability construction. The tester can perform functional detection on target detection, weapon unit positioning and shooting command functions of a tested radar device, and completes radar function and positioning and command function detection through radar moving target signal simulation and weapon unit function simulation. Meanwhile, the performance of the high-frequency receiving assembly, the medium-frequency receiving assembly, the sequential control assembly and the power supply assembly of the tested radar device can be detected, whether the working state of the radar device is normal or not is judged, the radar, the positioning and commanding functions of the tested radar device are normal, and the maintenance and troubleshooting of a radar system are facilitated.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It is to be understood that other embodiments may be obtained by combining features described in different dependent claims and herein, in a manner different from that described in the original claim. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.
Claims (11)
1. A radar tester, comprising: the device comprises a main control board, a signal simulator, a receiving and transmitting assembly and a power supply assembly; the signal simulator, the receiving and transmitting assembly and the power supply assembly are all in conductive connection with the main control board; the signal simulator and the transceiving component are both in conductive connection with the power supply component;
the signal simulator is used for generating a target simulation signal required by the radar device to be tested;
the receiving and transmitting component is used for realizing communication between the signal simulator and the radar device to be tested;
the power supply assembly is used for converting mains supply into working voltage required by the main control board, the signal simulator and the receiving and transmitting assembly;
the main control board, the signal simulator, the transceiving component and the power supply component are all integrated in a box body.
2. The radar tester of claim 1, wherein the signal simulator has an FPGA chip and a DSP chip integrated therein.
3. The radar tester of claim 1, wherein the transceiver component includes an antenna; the antenna is an omnidirectional whip antenna.
4. The radar tester of claim 1, wherein the signal simulator, the transceiver module, and the power module are all removably electrically connected to the main control board.
5. The radar tester of claim 4, wherein the signal simulator, the transceiver assembly, and the power supply assembly are all conductively connected to the main control board in a blind-mate manner.
6. The radar tester of claim 1, wherein a plurality of independent cavities are provided in the housing, and the signal simulator, the transceiver module and the power module are respectively disposed in the cavities adapted to each other.
7. The radar tester of claim 1, wherein a keyboard and a display are disposed on a front panel of the case; the keyboard and the display are both in conductive connection with the main control board.
8. The radar tester of claim 7, wherein the front panel of the box body is further provided with a radio frequency signal interface and a low frequency signal interface; the radio frequency signal interface and the low frequency signal interface are both in conductive connection with the signal simulator.
9. The radar tester of claim 7, wherein a timing signal interface is further disposed on the front panel of the box; the time sequence signal interface is electrically connected with the signal simulator.
10. The radar tester of claim 7, wherein a switch button of the power supply assembly is further disposed on the front panel of the box body;
the rear panel of the box body is also provided with a mains supply access port, and the mains supply access port is in conductive connection with the power supply assembly;
the rear panel of the box body is also provided with a fuse holder, and the fuse holder is used for mounting a fuse; the main control board, the signal simulator, the transceiving component and the power supply component are all in conductive connection with the fuse.
11. The radar tester of claim 1, wherein handles are provided on both sides of the front panel of the case, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120208666.1U CN214409277U (en) | 2021-01-25 | 2021-01-25 | Radar tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120208666.1U CN214409277U (en) | 2021-01-25 | 2021-01-25 | Radar tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214409277U true CN214409277U (en) | 2021-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120208666.1U Active CN214409277U (en) | 2021-01-25 | 2021-01-25 | Radar tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214409277U (en) |
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2021
- 2021-01-25 CN CN202120208666.1U patent/CN214409277U/en active Active
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