CN219657860U - Testing device of radar speed sensor - Google Patents
Testing device of radar speed sensor Download PDFInfo
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- CN219657860U CN219657860U CN202320140386.0U CN202320140386U CN219657860U CN 219657860 U CN219657860 U CN 219657860U CN 202320140386 U CN202320140386 U CN 202320140386U CN 219657860 U CN219657860 U CN 219657860U
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- 238000012360 testing method Methods 0.000 title claims abstract description 56
- 238000004088 simulation Methods 0.000 claims abstract description 33
- 239000011521 glass Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a testing device of a radar speed sensor, which comprises a road simulation component, a radar test board and a crawler speed measuring device; the radar test bench is fixedly connected to the road simulation component, the radar test bench is used for installing a radar test sensor, the road simulation component can simulate the movement and environment of a real track, the crawler speed measuring device is connected to the road simulation component, and the crawler speed measuring device is used for testing the actual speed of the road simulation component; the road simulation component simulating the real track environment is adopted to test the radar speed sensor, so that the radar sensor does not need to be tested by loading the radar, the testing efficiency is improved, and the potential safety hazard existing in the real vehicle test can be avoided.
Description
Technical Field
The utility model relates to the technical field of radar speed measurement, in particular to a testing device of a radar speed measurement sensor.
Background
The working principle of the radar speed measuring sensor is that the frequency domain analysis is carried out on spikes of a Doppler effect reflection track to finally realize speed measurement; the actual speed measurement performance of the radar needs to be tested in radar production and acceptance links, but the existing radar test method is to carry out motor car test after the radar is loaded, the motor car test needs to be carried out by dispatching rail traffic departments to apply for testing skylight points, and the construction of the skylight points also needs to be carried out by joint operation of various departments such as dispatching vehicles, signal dispatching, security officers, operation and the like, so that the radar test method is low in efficiency, high in cost and has potential safety hazards.
Disclosure of Invention
The utility model aims to provide a mechanical test platform of a radar speed sensor, which simulates a real rail surface environment and solves the problem of testing the radar in daily production and acceptance links.
The utility model solves the technical problems by adopting the following technical scheme: the testing device of the radar speed sensor comprises a road simulation component, a radar test board and a crawler speed measuring device;
the radar test bench is fixedly connected to the road simulation component, the radar test bench is used for installing a radar test sensor, the road simulation component can simulate the movement and environment of a real track, the crawler speed measuring device is connected to the road simulation component, and the crawler speed measuring device is used for testing the actual speed of the road simulation component.
Optionally, the road simulation component comprises a servo motor, a driving wheel, a crawler belt and a plurality of spikes;
the servo motor is connected with the driving wheel and used for driving the driving wheel to rotate and controlling the rotating speed of the driving wheel, the driving wheel is connected with the crawler belt, the driving wheel can drive the crawler belt to rotate, a plurality of spikes are arranged on the crawler belt, and the spikes are irregularly arranged on the crawler belt.
Optionally, the spike is fixedly installed on the track by adopting a bolt and nut group and/or is fixedly installed on the track by adopting a mode of being wedged on the track.
Optionally, the radar test bench comprises a bracket and a sensor mounting member, wherein the bracket is arranged above the road simulation member, and the sensor mounting member is arranged in the bracket;
the sensor installation component includes bracing piece, connecting rod, bracing piece fixed connection is on the support, the connecting rod is connected on the bracing piece, the connecting rod is used for fixed radar speed sensor.
Optionally, be equipped with two logical grooves and screw district on the connecting rod, the screw district sets up at the connecting rod middle part, evenly set up a plurality of screw holes in the screw district, two logical groove sets up respectively in the left and right sides in the screw district, and two logical groove middle part symmetry of connecting rod between.
Optionally, the crawler speed measuring device is connected to the driving wheel, and the belt speed of the crawler is determined by detecting the rotating speed of the driving wheel.
Optionally, the road simulation component is installed in the outer frame, outer frame bottom fixed connection is subaerial, install transparent glass on the outer frame top surface, outer frame top fixed connection radar test bench.
Optionally, the automatic transmission device further comprises a control system and a power supply, wherein the control system is electrically connected with the servo motor, the control system can control the working speed of the servo motor so as to control the rotating speed of the transmission wheel, and the power supply is electrically connected with the control system and the servo motor respectively.
The utility model has the following beneficial effects:
1. the radar speed sensor is tested by adopting the road simulation component for simulating the real track environment, so that the radar sensor is not required to be tested by loading the radar, the testing efficiency is improved, and the potential safety hazard existing in the real vehicle test can be avoided;
2. the method for installing the irregular spikes on the track is adopted to simulate the real track environment, so that the radar speed sensor can be accurately tested.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a top view of the present utility model;
FIG. 3 is a left side view of the present utility model;
the labels in the figures are: 1-road simulation components; 2-a radar speed measuring table; 3-a caterpillar speed measuring device; 4-an outer frame; 11-a servo motor; 12-a driving wheel; 13-caterpillar tracks; 14-spikes; 21-a bracket; 22-a sensor mounting member; 221-supporting rods; 222-connecting rod; 2221-through slot; 2222-bolt zone; 2223-threaded hole; 100-radar speed sensor.
Detailed Description
The technical scheme of the utility model is further described below with reference to the embodiment and the attached drawings.
Example 1
The embodiment provides a testing device of a radar speed measuring sensor, which comprises a road simulation component 1, a radar test board 2 and a crawler speed measuring device 3;
the radar test bench 2 is fixedly connected to the road simulation component 1, the radar test bench 2 is used for installing the radar test sensor 100, the road simulation component 1 can simulate the movement and the environment of a real track, the crawler speed measuring device 3 is connected to the road simulation component 1, and the crawler speed measuring device 3 is used for testing the actual speed of the road simulation component 1.
The radar speed sensor 100 is tested by adopting the road simulation component 1 simulating the real track environment, so that the radar sensor 100 can be tested without loading the radar, the testing efficiency is improved, and the potential safety hazard existing in the real vehicle test can be avoided.
Further implementation of the present embodiment, the road simulation component 1 includes a servo motor 11, a driving wheel 12, a crawler 13, and a plurality of spikes 14;
the servo motor 11 is connected with the driving wheel 12 and is used for driving the driving wheel 12 to rotate and controlling the rotating speed of the driving wheel 12, the driving wheel 12 is connected with the crawler belt 13, the driving wheel 12 can drive the crawler belt 13 to rotate, a plurality of spikes 14 are arranged on the crawler belt 13, and the spikes 14 are irregularly arranged on the crawler belt 13.
The radar speed sensor 100 can be accurately tested by simulating a real track environment by adopting a method of installing irregular spikes 14 on the crawler 13.
In a further embodiment of the present embodiment, the spikes 14 are fixedly mounted on the track 13 by means of a set of bolts and nuts and/or are fixedly mounted on the track 13 by means of wedges on the track 13.
The track 13 can be fixed with different types of spikes 14 by bolt and nut groups or wedge riveting, so that various track environments can be simulated for testing.
Further implementation of the present embodiment, the radar test stand 2 includes a bracket 21, a sensor mounting member 22, the bracket 21 being disposed above the road simulation member 1, the sensor mounting member 22 being mounted within the bracket 21;
the sensor mounting member 22 comprises a support rod 221 and a connecting rod 222, wherein the support rod 221 is fixedly connected to the bracket 21, the connecting rod 222 is connected to the support rod 221, and the connecting rod 222 is used for fixing the radar speed sensor 100.
The radar speed sensor 100 is fixedly mounted on the connecting rod 222, the connecting rod 222 is connected to the supporting rod 221 in a threaded connection manner, and the position of the connecting rod 222 and the supporting rod 221 can be adjusted by the connecting rod 222 so as to adjust the position of the radar speed sensor 100 relative to the supporting rod 221.
In a further implementation manner of this embodiment, two through grooves 2221 and a screw hole area 2222 are formed in the connecting rod 222, the screw hole area 2222 is disposed in the middle of the connecting rod 222, a plurality of screw holes 2223 are uniformly formed in the screw hole area 2222, two through grooves 2221 are respectively formed in the left side and the right side of the screw hole area 2222, and the two through grooves 2221 are symmetrical with respect to the middle of the connecting rod 222.
The connecting rod 222 is fixedly connected with the supporting rod 221 through the through groove 2221, and the radar speed measuring sensor 100 is fixedly connected to the connecting rod 222 through the threaded hole 2223, so that the position of the radar speed measuring sensor 100 can be conveniently adjusted.
In a further embodiment of the present embodiment, the crawler belt speed measuring device 3 is connected to the driving wheel 12, and the belt speed of the crawler belt 13 is determined by detecting the rotation speed of the driving wheel 12.
The belt speed of the crawler belt 13 measured by the crawler belt speed measuring paper loading 3 is an accurate belt speed, and the belt speed is compared with the belt speed measured by the radar speed measuring sensor 100, so that the testing accuracy of the radar speed measuring sensor 100 can be detected.
Further implementation of this embodiment, still include outer frame 4, road simulation component 1 installs in outer frame 4, outer frame 4 bottom fixed connection is subaerial, install transparent glass on outer frame 4 top surface, outer frame 4 top fixed connection radar test bench 2.
The road simulation component 1 is fixedly limited by the outer frame 4 so as to avoid unstable conditions in the test process and influence the test accuracy.
Further implementation manner of the embodiment further comprises a control system and a power supply, wherein the control system is electrically connected with the servo motor 11, the control system can control the working speed of the servo motor 11 so as to control the rotating speed of the driving wheel 12, and the power supply is electrically connected with the control system and the servo motor 11 respectively.
The working principle of the utility model is as follows: firstly, the spike 14 is irregularly fixed on the caterpillar 13 to simulate a real track environment, the radar speed measuring sensor 100 is fixedly connected to a corresponding position of the radar speed measuring table 2, the power-on is controlled through a control system to send out instructions to control the rotating speed and steering of the servo motor 11, the radar speed measuring table 2 and the caterpillar speed measuring device 3 simultaneously measure the speed, and the obtained speed is compared to obtain that the north measuring radar speed measuring sensor 100 is qualified.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (8)
1. The testing device of the radar speed sensor is characterized by comprising a road simulation component, a radar test board and a crawler speed measuring device;
the radar test bench is fixedly connected to the road simulation component, the radar test bench is used for installing a radar test sensor, the road simulation component can simulate the movement and environment of a real track, the crawler speed measuring device is connected to the road simulation component, and the crawler speed measuring device is used for testing the actual speed of the road simulation component.
2. The radar speed sensor testing device according to claim 1, wherein the road simulation component comprises a servo motor, a driving wheel, a crawler belt and a plurality of spikes;
the servo motor is connected with the driving wheel and used for driving the driving wheel to rotate and controlling the rotating speed of the driving wheel, the driving wheel is connected with the crawler belt, the driving wheel can drive the crawler belt to rotate, a plurality of spikes are arranged on the crawler belt, and the spikes are irregularly arranged on the crawler belt.
3. The radar speed sensor testing device according to claim 2, wherein the spikes are fixedly mounted on the track by means of bolt-nut sets and/or by means of wedges on the track.
4. The radar speed sensor testing device according to claim 1, wherein the radar test stand comprises a bracket, a sensor mounting member, the bracket being disposed above the road simulating member, the sensor mounting member being mounted within the bracket;
the sensor installation component includes bracing piece, connecting rod, bracing piece fixed connection is on the support, the connecting rod is connected on the bracing piece, the connecting rod is used for fixed radar speed sensor.
5. The device for testing the radar speed sensor according to claim 4, wherein two through grooves and screw hole areas are formed in the connecting rod, the screw hole areas are formed in the middle of the connecting rod, a plurality of screw holes are uniformly formed in the screw hole areas, the two through grooves are respectively formed in the left side and the right side of the screw hole areas, and the two through grooves are symmetrical relative to the middle of the connecting rod.
6. The device for testing the radar speed sensor according to claim 2, wherein the crawler speed measuring device is connected to the driving wheel, and the belt speed of the crawler is determined by detecting the rotation speed of the driving wheel.
7. The radar speed sensor testing device according to claim 1, further comprising an outer frame, wherein the road simulation component is installed in the outer frame, the bottom end of the outer frame is fixedly connected to the ground, transparent glass is installed on the top surface of the outer frame, and the top of the outer frame is fixedly connected to the radar test board.
8. The device for testing the radar speed sensor according to claim 1, further comprising a control system and a power supply, wherein the control system is electrically connected with the servo motor, the control system can control the working speed of the servo motor so as to control the rotating speed of the driving wheel, and the power supply is electrically connected with the control system and the servo motor respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320140386.0U CN219657860U (en) | 2023-02-07 | 2023-02-07 | Testing device of radar speed sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320140386.0U CN219657860U (en) | 2023-02-07 | 2023-02-07 | Testing device of radar speed sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219657860U true CN219657860U (en) | 2023-09-08 |
Family
ID=87856379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320140386.0U Active CN219657860U (en) | 2023-02-07 | 2023-02-07 | Testing device of radar speed sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219657860U (en) |
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2023
- 2023-02-07 CN CN202320140386.0U patent/CN219657860U/en active Active
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