Vehicle-mounted radar testing device

Abstract

The utility model discloses a vehicle-mounted radar testing device which comprises a base station, the center of the top of the base station is provided with a disc clamp used for fixing a vehicle-mounted radar, the outer side of the base station is fixedly connected with a plurality of electric push rods, and the electric push rods are annularly and uniformly distributed about the vertical center line of the base station. The tail end of the electric push rod is fixedly connected with an adapter table, the top of the adapter table is fixedly connected with a threaded telescopic column, and the top end of the threaded telescopic column is rotatably connected with a test baffle. The distance between the test baffle and the radar on the disc clamp can be adjusted through push-pull of the electric push rod on the base station, obstacles at different distances can be tested conveniently, the test accuracy of the device is improved, the test baffle is rotated, one side of the test baffle is a concave cambered surface, the other side of the test baffle is of a plane structure, and the two ends of the test baffle are of convex cambered surface structures. Therefore, different types of obstacles can be simulated to test the vehicle-mounted radar, and the test is more comprehensive.

Description

Technical Field

[0001] The utility model belongs to the technical field of radar testing, in particular to a vehicle-mounted radar testing device. Background Art

[0002] Vehicle radar is a device that uses radar technology to detect the vehicle's surroundings. It can help drivers detect obstacles, other vehicles, pedestrians, etc. ahead, thereby improving driving safety. Vehicle radar usually uses microwave signals to detect targets and uses algorithms to determine information such as the target's distance, speed, and direction. This information can be transmitted to the driver through the vehicle's display or sound prompts, helping the driver better understand the situation around the vehicle.

[0003] During the manufacturing process of vehicle-mounted radar, it is necessary to test the vehicle-mounted radar through a professional test device. In the prior art, the Chinese patent CN220040741U discloses a vehicle-mounted radar test device, including a base, which is a truncated cone, with a steering groove at the top center, the cross section of the steering groove is circular, and a steering assembly is installed inside it. A number of test assemblies are installed on the base, and the test assemblies are distributed in a circular array, and the angles between each two adjacent test assemblies are equal. The utility model can test vehicles integrated with a complete set of vehicle-mounted radar systems, and test the vehicle-mounted radars installed in the front, rear, side and other positions of the vehicle through each group of test assemblies at the same time, so as to simulate the actual unmanned driving road environment, thereby effectively ensuring the accuracy and authenticity of the vehicle-mounted radar test data. In addition, the vehicle integrated with the vehicle-mounted radar can be tested from different angles and distances without the need for manual frequent movement of the placement of the test pieces, which not only greatly improves the test efficiency, but also effectively reduces the workload of the test personnel.

[0004] However, the vehicle-mounted radar test device provided in the above technical solution still has many shortcomings in actual use. For example, the installation position of the test component is fixed and cannot be adjusted, so that during the test, the distance between the test component and the vehicle-mounted radar is fixed, and the radar's sensitivity to obstacles at different distances cannot be tested, resulting in an incomplete test. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] In order to solve the problem that the installation position of the test component of the above-mentioned existing vehicle-mounted radar testing device is fixed and cannot be adjusted, so that during the test, the distance between the test component and the vehicle-mounted radar is fixed, and the radar's sensitivity to obstacles at different distances cannot be tested, resulting in an incomplete test, the utility model adopts the following technical solution.

[0007] A vehicle-mounted radar testing device comprises a base, wherein a disc clamp for fixing the vehicle-mounted radar is arranged at the top center of the base, a plurality of electric push rods are fixedly connected to the outer side of the base, the plurality of electric push rods are evenly distributed in a ring shape about the vertical center line of the base, the ends of the electric push rods are fixedly connected to an adapter, the top of the adapter is fixedly connected to a threaded telescopic column, and the top end of the threaded telescopic column is rotatably connected to a test baffle.

[0008] Preferably, the top of the base is provided with a plurality of slide grooves for the transfer platform to slide, and the slide grooves are connected to the base via sliders, the bottom surface of the transfer platform fits with the top surface of the base, and the top surface of the slide grooves is flush with the top surface of the base.

[0009] Preferably, a plurality of scale bars are provided on one side of the slide groove, the plurality of scale bars are evenly distributed about the long side of the slide groove, the plurality of slide grooves correspond one to one with the positions of the plurality of transfer tables, and the plurality of slide grooves are evenly distributed in a ring shape about the vertical center line of the base.

[0010] Preferably, one side of the test baffle is a concave arc surface structure, the other side is a flat structure, and both ends of the test baffle are convex arc surface structures.

[0011] Preferably, the bottom of the base is fixedly connected to a base, the bottom of the base is threadedly connected to a plurality of threaded rods, the bottom ends of the plurality of threaded rods are fixedly connected to feet, the central axis of the threaded rods coincides with the central axis of the feet, and the plurality of threaded rods are evenly distributed in a ring shape about the central axis of the base.

[0012] Preferably, the central axis of the disc clamp coincides with the vertical center line of the base, and the base and the pedestal form an integrated structure, with the top end of the threaded rod embedded in the bottom end of the base.

[0013] Preferably, a loading slot is provided on the top of the base, and a lifting rod is fixedly connected inside the loading slot, a motor is fixedly connected to the top of the lifting rod, and the output end of the motor is fixedly connected to the disc clamp.

[0014] Beneficial Effects

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model can adjust the distance between the test baffle and the radar on the disc fixture by pushing and pulling the electric push rod on the base, which is convenient for testing obstacles at different distances and improving the test accuracy of the device. The coordinated use of the slide groove and the slider can play a limiting role when the transfer platform moves, ensuring the stability of the movement of the test baffle. The setting of the scale bar is convenient for the user to check the distance between the test baffle and the vehicle-mounted radar, and rotate the test baffle. One side of the test baffle is a concave arc surface, the other side is a flat structure, and the two ends are convex arc surface structures, so that different types of obstacles can be simulated to test the vehicle-mounted radar, making the test more comprehensive. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the bottom three-dimensional structure of the utility model;

[0019] Figure 3 It is a partial three-dimensional structural schematic diagram of the utility model;

[0020] Figure 4 It is a schematic diagram of the three-dimensional structure of the transfer station of the utility model;

[0021] Figure 5 It is a schematic diagram of the overall top view structure of the utility model.

[0022] The corresponding relationship between the illustrations and component names in the figure is as follows:

[0023] 1. Base; 2. Disc clamp; 3. Electric push rod; 4. Adapter; 5. Threaded telescopic column; 6. Test baffle; 7. Slide; 8. Scale bar; 9. Base; 10. Threaded rod; 11. Foot; 12. Lifting rod; 13. Motor. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0025] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0026] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments. The present invention provides the following embodiments.

[0027] See also Figure 1-5 The utility model provides an embodiment of a vehicle-mounted radar test device, including a base 1, a base 9 is fixedly connected to the bottom of the base 1, and a plurality of threaded rods 10 are threadedly connected to the bottom of the base 9, the central axis of the disc fixture 2 coincides with the vertical center line of the base 1, and the base 1 and the base 9 form an integrated structure, the top of the threaded rod 10 is embedded in the bottom of the base 9, and the bottom ends of the plurality of threaded rods 10 are fixedly connected with pads 11, the central axis of the threaded rod 10 coincides with the central axis of the pads 11, and the plurality of threaded rods 10 are evenly distributed in a ring shape about the central axis of the base 9, and the device can be placed on the external horizontal plane through the pads 11 to support it, and the use of the base 9 can prevent the base 1 from being worn out with the external horizontal plane, and the threaded rod 10 can be rotated to adjust the distance between the pads 11 and the base 9, so as to facilitate the adjustment of the height of the device, and also facilitate the stable placement of the device on an uneven ground, thereby improving the stability of the bottom of the device.

[0028] In this embodiment, a disc clamp 2 for fixing the vehicle-mounted radar is arranged at the top center of the base 1, a plurality of electric push rods 3 are fixedly connected to the outside of the base 1, and the plurality of electric push rods 3 are evenly distributed in a ring shape about the vertical center line of the base 1, and the ends of the electric push rods 3 are fixedly connected to a transfer platform 4, and a threaded telescopic column 5 is fixedly connected to the top of the transfer platform 4, and a test baffle 6 is rotatably connected to the top of the threaded telescopic column 5. The test baffle 6 can be used to simulate external obstacles, so as to test the induction of the vehicle-mounted radar to the obstacles. The pushing and pulling of the push rod 3 can adjust the distance between the test baffle 6 and the radar on the disc fixture 2, which is convenient for testing obstacles at different distances and improving the testing accuracy of the device. One side of the test baffle 6 is a concave arc surface structure, and the other side is a flat structure, and both ends of the test baffle 6 are convex arc surface structures. When the test baffle 6 is rotated, one side of the test baffle 6 is a concave arc surface, and the other side is a flat structure, and both ends are convex arc surface structures, so that different types of obstacles can be simulated to test the vehicle-mounted radar, making the test more comprehensive.

[0029] In this embodiment, a plurality of slide grooves 7 for sliding the transfer platform 4 are provided on the top of the base 1, and the slide grooves 7 are connected to the base 1 by a slider, the bottom surface of the transfer platform 4 is in contact with the top surface of the base 1, and the top surface of the slide grooves 7 is flush with the top surface of the base 1. The coordinated use of the slide grooves 7 and the slider can play a limiting role when the transfer platform 4 moves, thereby ensuring the stability of the movement of the test baffle 6. A plurality of scale bars 8 are provided on one side of the slide groove 7, and the plurality of scale bars 8 are evenly distributed about the long side of the slide groove 7. The positions of the plurality of slide grooves 7 correspond one to one to the plurality of transfer platforms 4, and the plurality of slide grooves 7 are evenly distributed in a ring shape about the vertical center line of the base 1. The setting of the scale bars 8 makes it convenient for the user to check the distance between the test baffle 6 and the vehicle-mounted radar.

[0030] In this embodiment, a loading slot is provided on the top of the base 1, and a lifting rod 12 is fixedly connected to the inside of the loading slot. The lifting rod 12 can be used to adjust the height of the disc fixture 2, which is convenient for testing different vehicle-mounted radars. By rotating the threaded telescopic column 5, the height of the test baffle 6 can be adjusted, which is convenient for the test baffle 6 to adapt to vehicle-mounted radars of different heights. A motor 13 is fixedly connected to the top of the lifting rod 12, and the output end of the motor 13 is fixedly connected to the disc fixture 2. Starting the motor 13 can make the disc fixture 2 rotate, which is convenient for testing the induction of the vehicle-mounted radar to obstacles in different directions.

[0031] Working principle: When using the device, firstly, the device can be placed on the external horizontal plane through the feet 11 to prop it up. With the use of the base 9, wear between the base 1 and the external horizontal plane can be prevented. By rotating the threaded rod 10, the distance between the feet 11 and the base 9 can be adjusted, which is convenient for adjusting the height of the device. It is also convenient for placing the device stably on an uneven ground to improve the stability of the bottom of the device. The vehicle-mounted radar to be tested can be fixed by the disc clamp 2 to prevent the radar from shaking during the test and affecting the accuracy of the test. The test baffle 6 can be used to simulate external obstacles, so as to test the induction of the vehicle-mounted radar to the obstacles. By pushing and pulling the electric push rod 3 on the base 1, the distance between the test baffle 6 and the radar on the disc clamp 2 can be adjusted, which is convenient for testing obstacles at different distances and improves the accuracy of the device. The device tests accuracy. The coordinated use of the slide groove 7 and the slider can play a limiting role when the transfer platform 4 moves, thereby ensuring the stability of the movement of the test baffle 6. The setting of the scale bar 8 makes it convenient for the user to check the distance between the test baffle 6 and the vehicle-mounted radar. The test baffle 6 is rotated. One side of the test baffle 6 is a concave arc surface, the other side is a flat structure, and the two ends are convex arc surface structures, so that different types of obstacles can be simulated to test the vehicle-mounted radar, making the test more comprehensive. The height of the disc fixture 2 can be adjusted by the lifting rod 12, which is convenient for testing different vehicle-mounted radars. The height of the test baffle 6 can be adjusted by rotating the threaded telescopic column 5, which is convenient for the test baffle 6 to adapt to vehicle-mounted radars of different heights. Starting the motor 13 can rotate the disc fixture 2, which is convenient for testing the induction of the vehicle-mounted radar to obstacles in different directions.

[0032] The above content is a further detailed description of the utility model in combination with specific implementation methods. It cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, they can also make several simple deductions or substitutions, which should be regarded as belonging to the scope of protection determined by the claims submitted for the utility model.

Claims

1. A vehicle-mounted radar test device, comprising a base station (1), characterized in that: A disc clamp (2) for fixing the vehicle-mounted radar is arranged at the top center of the base (1); a plurality of electric push rods (3) are fixedly connected to the outer side of the base (1); the plurality of electric push rods (3) are evenly distributed in a ring shape about the vertical center line of the base (1); the ends of the electric push rods (3) are fixedly connected to a transfer platform (4); a threaded telescopic column (5) is fixedly connected to the top of the transfer platform (4); and a test baffle (6) is rotatably connected to the top of the threaded telescopic column (5).

2. The vehicle-mounted radar testing device according to claim 1, characterized in that: The top of the base (1) is provided with a plurality of slide grooves (7) for the transfer platform (4) to slide, and the slide grooves (7) and the base (1) are connected via sliders, the bottom surface of the transfer platform (4) is in contact with the top surface of the base (1), and the top surface of the slide grooves (7) is flush with the top surface of the base (1).

3. The vehicle-mounted radar testing device according to claim 2, characterized in that: A plurality of scale bars (8) are arranged on one side of the slide groove (7), the plurality of scale bars (8) are evenly distributed about the long side of the slide groove (7), the plurality of slide grooves (7) correspond to the positions of the plurality of transfer platforms (4) one by one, and the plurality of slide grooves (7) are evenly distributed in a ring shape about the vertical center line of the base platform (1).

4. The vehicle-mounted radar testing device according to claim 1, characterized in that: One side of the test baffle (6) is a concave arc surface structure, the other side is a flat surface structure, and both ends of the test baffle (6) are convex arc surface structures.

5. The vehicle-mounted radar testing device according to claim 1, characterized in that: The bottom of the base (1) is fixedly connected to a base (9), the bottom of the base (9) is threadedly connected to a plurality of threaded rods (10), the bottom ends of the plurality of threaded rods (10) are fixedly connected to a pad foot (11), the central axis of the threaded rod (10) coincides with the central axis of the pad foot (11), and the plurality of threaded rods (10) are evenly distributed in a ring shape about the central axis of the base (9).

6. The vehicle-mounted radar testing device according to claim 5, characterized in that: The central axis of the disc clamp (2) coincides with the vertical center line of the base (1), and the base (1) and the base (9) form an integrated structure, with the top end of the threaded rod (10) embedded in the bottom end of the base (9).

7. The vehicle-mounted radar testing device according to claim 6, characterized in that: The top of the base (1) is provided with a loading slot, and a lifting rod (12) is fixedly connected inside the loading slot, and a motor (13) is fixedly connected to the top of the lifting rod (12), and the output end of the motor (13) is fixedly connected to the disc clamp (2).

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