CN112986936A - Millimeter wave radar testing device - Google Patents
Millimeter wave radar testing device Download PDFInfo
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- CN112986936A CN112986936A CN202110323113.5A CN202110323113A CN112986936A CN 112986936 A CN112986936 A CN 112986936A CN 202110323113 A CN202110323113 A CN 202110323113A CN 112986936 A CN112986936 A CN 112986936A
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- radar
- millimeter wave
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- heat dissipation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention discloses a millimeter wave radar testing device which comprises a moving bottom plate and a testing platform, wherein a screw motor is installed inside the moving bottom plate, the output end of the screw motor is connected with an adjusting ball screw, a screw bearing is arranged at the upper end of the adjusting ball screw, a distance measuring groove is formed in the middle of the screw motor, a CAN adapter is arranged on the upper end surface of the moving bottom plate, the testing platform is arranged at the upper end of the CAN adapter, a placing groove is formed in the upper end surface of the testing platform, a computer is installed inside the placing groove, and heat dissipation holes are formed in the surface of the placing groove. This millimeter wave radar testing arrangement can rotate under the drive of lead screw motor through the regulation ball screw that sets up to highly adjusting test platform, thereby the vehicle of imitation different models is apart from the height on ground, makes the test result laminate more in actual situation of use, need not frequently to remove the millimeter wave radar who waits to detect.
Description
Technical Field
The invention relates to the technical field of radar testing, in particular to a millimeter wave radar testing device.
Background
The millimeter wave radar is a radar which works in a millimeter wave band for detection. Generally, the millimeter wave refers to the frequency domain (wavelength is 1-10 mm) of 30-300 GHz. Millimeter-wave radar has some of the advantages of both microwave and photoelectric radar because the wavelength of millimeter-wave waves is intermediate between microwave and centimeter waves. Millimeter wave radars are often used for vehicle detection to measure the actual distance between a vehicle and an obstacle. Before the millimeter wave radar is put into use, the millimeter wave radar needs to be subjected to experimental test through a millimeter wave radar testing device, and the use requirement is met.
Present millimeter wave radar testing arrangement can't carry out automatic altitude mixture control according to the height of different motorcycle types, and the test result that reachs at last produces the error in the in-service use, and manual adjustment is comparatively useless not only, and the while height is not accurate, and satisfying people's that can not be fine user demand to above-mentioned condition, we provide a millimeter wave radar testing arrangement.
Disclosure of Invention
The invention aims to provide a millimeter wave radar testing device, and aims to solve the problems that the height of the existing millimeter wave radar testing device cannot be automatically adjusted according to the heights of different vehicle types, the finally obtained test result has errors in actual use, manual adjustment is useless, the height is not accurate, and the use requirements of people cannot be well met.
In order to achieve the purpose, the invention provides the following technical scheme: a millimeter wave radar testing device comprises a moving bottom plate and a testing platform, wherein a screw motor is installed inside the moving bottom plate, the output end of the screw motor is connected with an adjusting ball screw, a screw bearing is arranged at the upper end of the adjusting ball screw, a distance measuring groove is formed in the middle of the screw motor, a CAN adapter is arranged on the upper end face of the moving bottom plate, the testing platform is arranged at the upper end of the CAN adapter, a placing groove is formed in the upper end face of the testing platform, a computer is installed inside the placing groove, heat dissipation holes are formed in the surface of the placing groove, a heat dissipation motor is installed at the lower end of the computer, a heat dissipation fan is connected with the output end of the heat dissipation motor, an adjusting bearing is arranged on the right side of the computer, an angle ruler is arranged at the upper end of the adjusting bearing, a rotating shaft penetrates through the adjusting bearing, and a radar installation box, the weight box is installed to the left end of rotation axis, and the upper end of rotation axis installs the camera, the surface of bevel protractor is provided with the angle arrow point, range sensor is installed to test platform's lower terminal surface, the inside of radar install bin has been seted up and has been provided with the radar groove, and the radar groove keeps away from being provided with the grip block of the vertical central line of radar install bin, one side that the vertical central line of radar install bin was kept away from to the grip block is connected with the centre gripping spring, the left side of louvre is provided with temperature sensor.
Preferably, the adjusting ball screw penetrates through the testing platform and the screw bearing, the testing platform is in threaded connection with the adjusting ball screw, the adjusting ball screw is in key connection with the screw motor, and the adjusting ball screw is symmetrical about the central point of the moving base plate.
Preferably, the rotating shaft penetrates through the adjusting bearing and the angle ruler, the adjusting bearing and the angle ruler are in adhesive connection, and the rotating shaft and the angle arrow are in fixed connection.
Preferably, the central axis of the angle arrow is coincident with the central axis of the radar installation box, and the length of the angle arrow is greater than the thickness of the radar installation box.
Preferably, the distance measuring sensor is electrically connected with the computer through a wire, the central axis of the distance measuring sensor coincides with the central axis of the distance measuring groove, and the distance measuring sensor corresponds to the distance measuring groove.
Preferably, the placement groove is matched with the overall dimension of the computer, the heat dissipation holes penetrate through the placement groove, and the heat dissipation fans are parallel to the heat dissipation holes.
Preferably, the clamping plate is elastically connected with the radar installation box through the clamping spring, the clamping plate is symmetrical to the vertical center line of the radar groove, and the radar groove is of a concave structure.
Preferably, the temperature sensor is electrically connected with the computer through a wire, and the heat dissipation motor is electrically connected with the computer through a wire.
Preferably, the weight box and the radar installation box are symmetrical to each other about a vertical center line of the rotating shaft, and the weight box and the radar installation box have the same weight.
Preferably, the CAN adapter is electrically connected with the computer through a wire, the camera is electrically connected with the computer through a wire, and the central axis of the camera coincides with the central axis of the radar installation box.
Compared with the prior art, the invention has the following beneficial effects:
1. the millimeter wave radar testing device can rotate under the driving of the screw motor through the arranged adjusting ball screw, so that the height of the testing platform is adjusted, the heights of vehicles of different types from the ground are simulated, the testing result is more fit to the actual use condition, and the millimeter wave radar to be detected does not need to be frequently moved;
2. the millimeter wave radar testing device can enable the rotating shaft to rotate through the arranged adjusting bearing, so that the direction of the radar installation box is adjusted, and the rotating angle is determined through the angle ruler; the angle arrow can be used for indicating the adjusted angle and is overlapped with the central axis of the radar installation box, so that the angle arrow can be ensured to be consistent with the rotation angle of the radar installation box, and observation and recording can be directly carried out from the upper part of the radar installation box;
3. the millimeter wave radar testing device can measure and calculate the distance between the testing platform and the ground in real time through the arranged distance measuring sensor, so that the screw rod motor can be controlled through the computer to be adjusted, and the distance adjustment is more accurate; the computer can be fixed through the arranged placing groove, the mobile bottom plate is prevented from slipping off the test platform in the moving process, in addition, in the process of carrying out mass measurement and calculation on the computer, a CPU is always in a high-strength working state, a heat dissipation device of the computer cannot meet the heat dissipation requirement of the computer, heat dissipation holes are formed in the placing groove, and a heat dissipation fan can carry out auxiliary heat dissipation on the computer, so that the computer is prevented from being overheated;
4. the millimeter wave radar testing device can provide acting force for the clamping plate through the arranged clamping spring, the clamping plate is pulled to insert the radar chip to be tested into the radar groove, the clamping plate is loosened to clamp and fix the radar to be tested, and the millimeter wave radar testing device is more convenient to use; the temperature data of the computer can be monitored in real time through the arranged temperature sensor, and the computer reversely controls the heat dissipation motor to automatically dissipate heat;
5. the millimeter wave radar testing device can play a balance effect on the weight of the radar installation box through the weight box, and avoids the phenomenon that the gravity center of the rotating shaft shifts due to the fact that the weight of the radar installation box is not matched with that of the weight box in the rotating process of the rotating shaft; through the camera that sets up, CAN carry out the record to the route of traveling, the CAN adapter CAN convert the data of the millimeter wave radar transmission that awaits measuring simultaneously, transmits for the computer afterwards and shows.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a schematic top view of the angle ruler of the present invention;
FIG. 5 is a schematic view of the working process of the present invention.
In the figure: 1. moving the base plate; 2. a screw motor; 3. adjusting the ball screw; 4. a test platform; 5. a computer; 6. a screw bearing; 7. a rotating shaft; 8. a camera; 9. a weight box; 10. an angle arrow; 11. An angle ruler; 12. adjusting the bearing; 13. a ranging sensor; 14. a CAN adapter; 15. a distance measuring groove; 16. A radar installation box; 17. a clamping spring; 18. a clamping plate; 19. a radar slot; 20. a placement groove; 21. A heat dissipation fan; 22. a temperature sensor; 23. heat dissipation holes; 24. heat dissipation motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a millimeter wave radar testing device comprises a movable bottom plate 1 and a testing platform 4, a screw motor 2 is arranged inside the movable bottom plate 1, an output end of the screw motor 2 is connected with an adjusting ball screw 3, a screw bearing 6 is arranged at the upper end of the adjusting ball screw 3, a distance measuring groove 15 is arranged in the middle of the screw motor 2, a CAN adapter 14 is arranged on the upper end surface of the movable bottom plate 1, the testing platform 4 is arranged at the upper end of the CAN adapter 14, a placing groove 20 is arranged on the upper end surface of the testing platform 4, a computer 5 is arranged inside the placing groove 20, a heat dissipation hole 23 is arranged on the surface of the placing groove 20, a heat dissipation motor 24 is arranged at the lower end of the computer 5, a heat dissipation fan 21 is connected to the output end of the heat dissipation motor 24, an adjusting bearing 12 is arranged on the right side of the computer 5, an angle ruler 11 is arranged at the upper end of the adjusting, and radar install bin 16 is installed to the right-hand member of rotation axis 7, weight box 9 is installed to the left end of rotation axis 7, and camera 8 is installed to the upper end of rotation axis 7, the surface of bevel protractor 11 is provided with angle arrow 10, range sensor 13 is installed to the lower terminal surface of test platform 4, radar install bin 16's inside has been seted up and has been provided with radar groove 19, and the radar groove 19 is kept away from being provided with grip block 18 of the vertical central line of radar install bin 16, one side that radar install bin 16 vertical central line was kept away from to grip block 18 is connected with clamping spring 17, the left side of louvre 23 is provided with temperature sensor 22.
In the invention: the adjusting ball screw 3 penetrates through the testing platform 4 and the screw bearing 6, the testing platform 4 is in threaded connection with the adjusting ball screw 3, the adjusting ball screw 3 is in key connection with the screw motor 2, and the adjusting ball screw 3 is symmetrical about the central point of the moving base plate 1; through the regulation ball screw 3 that sets up, can rotate under screw motor 2's drive to highly adjusting test platform 4, thereby the vehicle of imitation different models is apart from the height on ground, makes the test result laminate more in actual situation of use, need not frequently to remove the millimeter wave radar who waits to detect.
In the invention: the rotating shaft 7 penetrates through the adjusting bearing 12 and the angle ruler 11, the adjusting bearing 12 is in adhesive connection with the angle ruler 11, and the rotating shaft 7 is in fixed connection with the angle arrow 10; the rotation shaft 7 can be rotated by the adjustment bearing 12, so that the direction of the radar installation box 16 is adjusted, and the rotation angle is determined by the angle scale 11.
In the invention: the central axis of the angle arrow 10 and the central axis of the radar installation box 16 are overlapped, and the length of the angle arrow 10 is larger than the thickness of the radar installation box 16; through the angle arrow 10 that sets up, can instruct the angle of regulation, with the mutual coincidence of the axis of radar install bin 16, can guarantee that angle arrow 10 keeps unanimous with the 16 turned angle of radar install bin to direct record of observing from the top of radar install bin 16.
In the invention: the distance measuring sensor 13 is electrically connected with the computer 5 through a lead, the central axis of the distance measuring sensor 13 is superposed with the central axis of the distance measuring groove 15, and the distance measuring sensor 13 corresponds to the distance measuring groove 15; through the distance measuring sensor 13 who sets up, can carry out real-time calculation to the distance between test platform 4 and the ground to can adjust through computer 5 control lead screw motor 2, the roll adjustment is more accurate.
In the invention: the placement groove 20 is matched with the external dimension of the computer 5, the heat dissipation hole 23 penetrates through the placement groove 20, and the heat dissipation fan 21 and the heat dissipation hole 23 are parallel to each other; can fix computer 5 through standing groove 20 that sets up, avoid removing bottom plate 1 at the in-process slippage test platform 4 that removes, and carry out a large amount of in-process of calculating at computer 5, CPU is in the operating condition of high strength always, and computer 5 can't satisfy computer 5's heat dissipation demand from the heat abstractor who takes, and standing groove 20 is inside to be equipped with louvre 23, and heat dissipation fan 21 can assist the heat dissipation to computer 5, avoids computer 5 overheated.
In the invention: the clamping plate 18 is elastically connected with the radar mounting box 16 through a clamping spring 17, the clamping plate 18 is symmetrical with the vertical center line of the radar groove 19, and the radar groove 19 is in a concave structure; through the clamping spring 17 that sets up, can provide the effort to grip block 18, pulling grip block 18 can insert the radar chip that awaits measuring into radar groove 19, loosens grip block 18 and can carry out the centre gripping to the radar that awaits measuring fixedly, and it is more convenient to use.
In the invention: the temperature sensor 22 is electrically connected with the computer 5 through a lead, and the heat dissipation motor 24 is electrically connected with the computer 5 through a lead; the temperature sensor 22 is arranged to monitor the temperature data of the computer 5 in real time, and the computer 5 reversely controls the heat dissipation motor 24 to automatically dissipate heat.
In the invention: the weight box 9 and the radar installation box 16 are symmetrical with each other about the vertical central line of the rotating shaft 7, and the weight of the weight box 9 is the same as that of the radar installation box 16; through the weight box 9 that sets up, can play balanced effect to the weight of radar install bin 16, avoid rotation axis 7 at the pivoted in-process because the weight of radar install bin 16 and weight box 9 does not match, lead to rotation axis 7 to take place the skew.
In the invention: the CAN adapter 14 is electrically connected with the computer 5 through a wire, the camera 8 is electrically connected with the computer 5 through a wire, and the central axis of the camera 8 is coincident with the central axis of the radar installation box 16; through the camera 8 that sets up, CAN take notes the route of traveling, CAN adapter 14 CAN convert the data of the millimeter wave radar transmission that awaits measuring simultaneously, transmits for computer 5 afterwards and shows.
The working principle of the millimeter wave radar testing device is as follows: firstly, pulling the clamping plates 18 to two sides, compressing the clamping springs 17 at the moment, clamping the millimeter wave radar to be detected in the radar groove 19, slowly loosening the clamping plates 18, and clamping and fixing the millimeter wave radar to be detected by the clamping plates 18; secondly, the rotating shaft 7 is rotated, the rotating shaft 7 rotates inside the adjusting bearing 12, so that the direction of the radar installation box 16 can be adjusted, the rotating shaft 7 drives the angle arrow 10 to slide above the angle ruler 11 while rotating, and the angle arrow 10 can indicate the rotating angle; secondly, a distance measuring sensor 13 (model: ADA4571BRZ) at the lower end of the test platform 4 can measure the distance between the test platform 4 and the ground in real time, data is transmitted to the computer 5, the computer 5 analyzes and compares the distance according to the reference distance input by a user, and correspondingly controls the screw rod motor 2 to rotate, so that the screw rod motor 2 drives the adjusting ball screw rod 3 to rotate, and the test platform 4 is driven to move up and down until the reference height is adjusted; then, the movable bottom plate 1 is pushed to move through a roller at the lower end, at the moment, the radar to be detected transmits data to a CAN adapter 14 (model: TJA1040T), the CAN adapter 14 transmits the converted data information to the computer 5, and the computer 5 integrates, outputs and displays the data; finally, the temperature sensor 22 (model: TMP175AIDGKT) can monitor the temperature of the computer 5 in real time, the data is transmitted to the computer 5, the computer 5 analyzes the temperature value, when the temperature is too high, the computer 5 controls the heat dissipation motor 24 to work, and the heat dissipation motor 24 can drive the heat dissipation fan 21 to dissipate heat with the computer 5 through the heat dissipation hole 23.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a millimeter wave radar testing arrangement, includes removal bottom plate (1) and test platform (4), its characterized in that: the mobile base plate is characterized in that a screw motor (2) is installed inside the mobile base plate (1), the output end of the screw motor (2) is connected with an adjusting ball screw (3), a screw bearing (6) is arranged at the upper end of the adjusting ball screw (3), a distance measuring groove (15) is formed in the middle of the screw motor (2), a CAN adapter (14) is arranged on the upper end face of the mobile base plate (1), a testing platform (4) is arranged at the upper end of the CAN adapter (14), a placing groove (20) is formed in the upper end face of the testing platform (4), a computer (5) is installed inside the placing groove (20), heat dissipation holes (23) are formed in the surface of the placing groove (20), a heat dissipation motor (24) is installed at the lower end of the computer (5), the output end of the heat dissipation motor (24) is connected with a heat dissipation fan (21), and an adjusting bearing (12) is arranged on the right, an angle ruler (11) is arranged at the upper end of the adjusting bearing (12), a rotating shaft (7) penetrates through the inside of the adjusting bearing (12), a radar installation box (16) is installed at the right end of the rotating shaft (7), a weight box (9) is installed at the left end of the rotating shaft (7), a camera (8) is arranged at the upper end of the rotating shaft (7), an angle arrow (10) is arranged on the surface of the angle ruler (11), a distance measuring sensor (13) is arranged on the lower end surface of the test platform (4), a radar groove (19) is arranged inside the radar mounting box (16), and the radar groove (19) is provided with a clamping plate (18) far away from the vertical central line of the radar installation box (16), one side of the clamping plate (18) far away from the vertical center line of the radar installation box (16) is connected with a clamping spring (17), and the left side of the heat dissipation hole (23) is provided with a temperature sensor (22).
2. A millimeter wave radar testing device according to claim 1, characterized in that: the adjusting ball screw (3) penetrates through the testing platform (4) and the screw bearing (6), the testing platform (4) is in threaded connection with the adjusting ball screw (3), the adjusting ball screw (3) is in key connection with the screw motor (2), and the adjusting ball screw (3) is symmetrical about the central point of the movable bottom plate (1).
3. A millimeter wave radar testing device according to claim 1, characterized in that: the rotating shaft (7) penetrates through the adjusting bearing (12) and the angle ruler (11), the adjusting bearing (12) is in adhesive connection with the angle ruler (11), and the rotating shaft (7) is fixedly connected with the angle arrow (10).
4. A millimeter wave radar testing device according to claim 1, characterized in that: the central axis of the angle arrow (10) and the central axis of the radar installation box (16) are mutually overlapped, and the length of the angle arrow (10) is larger than the thickness of the radar installation box (16).
5. A millimeter wave radar testing device according to claim 1, characterized in that: distance measuring sensor (13) are electric connection through between wire and computer (5), and the axis of distance measuring sensor (13) and the axis of range finding groove (15) coincide each other to distance measuring sensor (13) and range finding groove (15) between correspond each other.
6. A millimeter wave radar testing device according to claim 1, characterized in that: the placement groove (20) is matched with the appearance size of the computer (5), the heat dissipation holes (23) penetrate through the placement groove (20), and the heat dissipation fan (21) is parallel to the heat dissipation holes (23).
7. A millimeter wave radar testing device according to claim 1, characterized in that: the clamping plate (18) is elastically connected with the radar installation box (16) through the clamping spring (17), the clamping plate (18) is symmetrical to each other about the vertical center line of the radar groove (19), and the radar groove (19) is of a concave structure.
8. A millimeter wave radar testing device according to claim 1, characterized in that: the temperature sensor (22) is electrically connected with the computer (5) through a lead, and the heat dissipation motor (24) is electrically connected with the computer (5) through a lead.
9. A millimeter wave radar testing device according to claim 1, characterized in that: the weight box (9) and the radar installation box (16) are symmetrical to each other about the vertical center line of the rotating shaft (7), and the weight box (9) and the radar installation box (16) are the same in weight.
10. A millimeter wave radar testing device according to claim 1, characterized in that: CAN adapter (14) is through being electric connection between wire and computer (5), and is electric connection between wire and computer (5) for camera (8), the axis of camera (8) and the axis coincidence of radar install bin (16) each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110323113.5A CN112986936A (en) | 2021-03-26 | 2021-03-26 | Millimeter wave radar testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110323113.5A CN112986936A (en) | 2021-03-26 | 2021-03-26 | Millimeter wave radar testing device |
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| CN112986936A true CN112986936A (en) | 2021-06-18 |
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| CN202110323113.5A Pending CN112986936A (en) | 2021-03-26 | 2021-03-26 | Millimeter wave radar testing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820671A (en) * | 2021-09-28 | 2021-12-21 | 展讯通信（上海）有限公司 | Radar testing device |
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| CN113820671A (en) * | 2021-09-28 | 2021-12-21 | 展讯通信（上海）有限公司 | Radar testing device |
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