Three-dimensional camera and radar combined vehicle external contour detection equipment

Abstract

The utility model relates to the technical field of automobile detection, and specifically relates to a three-dimensional camera and radar combined vehicle external contour detection device comprising a detection platform; the detection assembly comprises two symmetrical vertical rods arranged on the upper surface of the detection platform, and three-dimensional laser radar scanners are slidably arranged on the opposite surfaces of the two vertical rods; and the rotating assembly is used for driving the two three-dimensional laser radar scanners to rotate around the automobile. According to the utility model, through the arrangement of the detection assembly and the rotation assembly, the three-dimensional laser radar scanner can be started to carry out detection scanning modeling on the external contour of the automobile, and the three-dimensional laser radar scanner can move upwards or downwards; and meanwhile, two three-dimensional laser radar scanners can be driven to rotate around the automobile through rotation of a second motor, so that all positions of the outer contour of the automobile can be scanned, an obtained three-dimensional model is more accurate, and the detection accuracy is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle detection, in particular to an external contour detection device for a vehicle combining a three-dimensional camera and a radar. Background Technique

[0002] In an automobile detection system, it is necessary to detect the external contour of an automobile.

[0003] In the prior art, a Chinese patent with the publication number CN211085142U discloses a vehicle contour detection system, which adopts a scheme of "including an annular light source, an imaging reflection module, a contour measurement device and an industrial control computer; the industrial control computer is electrically connected to the contour measurement device; the annular light source is used to emit annular light to irradiate the vehicle to be detected to form an annular light spot; the imaging reflection module is used to reflect the annular light spot into the contour measurement device; the contour measurement device is used to receive the reflected annular light spot and form detection information, and transmit the detection information to the industrial control computer; the industrial control computer is used to connect to a calculation center that processes the detection information to form vehicle contour data of the vehicle to be detected, so as to reduce the cost of the vehicle contour detection system", and this scheme.

[0004] However, the above scheme still has some deficiencies. For example, when the vehicle contour detection system actually detects the external contour of a vehicle, it can only detect one side of the vehicle, and it cannot comprehensively obtain the overall three-dimensional contour of the vehicle exterior, thus affecting the detection accuracy.

[0005] In view of this, the utility model provides an external contour detection device for a vehicle combining a three-dimensional camera and a radar. Content of the Utility Model

[0006] The purpose of the utility model is to provide an external contour detection device for a vehicle combining a three-dimensional camera and a radar, so as to solve the problems put forward in the above background technique.

[0007] To achieve the above purpose, the utility model provides the following technical solution: An external contour detection device for a vehicle combining a three-dimensional camera and a radar, including,

[0008] A detection platform, which is used to detect an automobile, and an industrial control computer is fixedly installed on the outer surface of the detection platform through a mounting frame;

[0009] A detection component, the detection component includes two symmetric vertical rods arranged on the upper surface of the detection platform, and three-dimensional lidar scanners are slidably arranged on the opposite surfaces of the two vertical rods;

[0010] A rotating assembly, which is used to drive two 3D lidar scanners to rotate around an automobile. The rotating assembly includes an annular groove formed on the upper surface of the detection platform, and a rotating ring rotatably arranged on the inner wall of the annular groove. The bottom ends of the two vertical rods are fixedly connected to the upper surface of the rotating ring. The rotating assembly further includes a second motor fixedly arranged on the inner bottom wall of the annular groove for driving the rotating ring to rotate.

[0011] A rotating component, which is used to drive the automobile placed on the detection platform to rotate. The rotating component includes a circular groove formed on the upper surface of the detection platform, and a rotating disk rotatably arranged on the inner wall of the circular groove for placing the automobile. A third motor for driving the rotating disk to rotate is arranged on the inner bottom wall of the circular groove.

[0012] As a preferred technical solution, a strip-shaped groove is formed on the surface of the vertical rod, a threaded column is rotatably arranged on the inner wall of the strip-shaped groove, and a first motor for driving the threaded column to rotate is fixedly arranged at the top end of the vertical rod.

[0013] As a preferred technical solution, a sliding block is slidably arranged on the inner wall of the strip-shaped groove, a threaded hole threadedly connected to the outer surface of the threaded column is formed on the upper surface of the sliding block, and the 3D lidar scanner is fixedly arranged at the end of the sliding block.

[0014] As a preferred technical solution, a first load-bearing ring is fixedly arranged on the inner wall of the annular groove, a first annular slide rail is fixedly arranged on the upper surface of the first load-bearing ring, and the lower surface of the rotating ring is rotatably connected to the upper surface of the first load-bearing ring through the first annular slide rail.

[0015] As a preferred technical solution, a connecting sleeve rotatably connected to the inner bottom wall of the annular groove is fixedly arranged on the lower surface of the rotating ring. A driving gear is fixedly arranged at the output end of the second motor, and a driven gear ring meshing with the driving gear is fixedly arranged on the outer ring surface of the connecting sleeve.

[0016] As a preferred technical solution, a second load-bearing ring is fixedly arranged on the annular inner wall of the circular groove, a second annular slide rail is fixedly arranged on the upper surface of the second load-bearing ring, and the lower surface of the rotating disk is rotatably connected to the upper surface of the second load-bearing ring through the second annular slide rail.

[0017] As a preferred technical solution, a driving gear disk is fixedly arranged at the output end of the third motor. A rotating rod rotatably connected to the inner bottom wall of the circular groove is fixedly arranged at the center of the lower surface of the rotating disk, and a driven gear disk meshing with the driving gear disk is fixedly arranged on the outer surface of the rotating rod.

[0018] Beneficial effects

[0019] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0020] 1. By providing a detection component and a rotation component, the utility model can start the 3D lidar scanner to detect, photograph and position the external contour of the vehicle, display the 3D model through an industrial control computer, and drive the 3D lidar scanner to move up or down, so as to scan the contour of the vehicle from different perspectives. At the same time, the rotation of the second motor can drive two 3D lidar scanners to rotate around the vehicle, so as to scan each position of the external contour of the vehicle, making the obtained 3D model more accurate and ensuring the accuracy of detection.

[0021] 2. By providing a rotation component, when the detection device scans and models the external contour of the vehicle through a 3D lidar scanner, the third motor can be started to drive the vehicle to rotate itself, so that the 3D lidar scanner can further clearly scan the external contour of the vehicle, further ensuring the accuracy of detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the present utility model;

[0024] Figure 2 It is a front sectional structural schematic diagram of the present utility model;

[0025] Figure 3 For the present utility model Figure 2 The enlarged structural schematic diagram at A in it;

[0026] Figure 4 For the present utility model Figure 2 The enlarged structural schematic diagram at B in it;

[0027] Figure 5 It is a three-dimensional structural schematic diagram of the rotating ring of the present utility model.

[0028] In the figure:

[0029] 100, detection platform;

[0030] 200, industrial control computer;

[0031] 300, detection component; 301, vertical rod; 302, 3D lidar scanner; 303, threaded column; 304, first motor; 305, sliding block;

[0032] 400, Rotating assembly; 401, Rotating ring; 402, Second motor; 403, First load-bearing ring; 404, First annular slide rail; 405, Connecting sleeve; 406, Driving gear; 407, Driven gear ring;

[0033] 500, Rotating assembly; 501, Rotating disk; 502, Third motor; 503, Second load-bearing ring; 504, Second annular slide rail; 505, Driving gear disk; 506, Rotating rod; 507, Driven gear disk. Specific embodiments

[0034] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0035] Embodiment 1

[0036] According to the attached Figures 1-5 As shown, the embodiment of the present invention provides a vehicle external contour detection device combining a three-dimensional camera and a radar, including

[0037] A detection platform 100, which is used to detect an automobile, and an industrial control computer 200 is fixedly installed on the outer surface of the detection platform 100 through a mounting bracket;

[0038] A detection component 300, the detection component 300 includes two symmetric vertical rods 301 arranged on the upper surface of the detection platform 100, and a three-dimensional lidar scanner 302 is slidably arranged on the opposite surfaces of the two vertical rods 301, and the brand model of the three-dimensional lidar scanner 302 is: Blickfeld qb2.

[0039] A strip-shaped groove is formed on the surface of the vertical rod 301, and a threaded column 303 is rotatably arranged on the inner wall of the strip-shaped groove, and a first motor 304 for driving the threaded column 303 to rotate is fixedly installed at the top of the vertical rod 301.

[0040] A sliding block 305 is slidably arranged on the inner wall of the strip-shaped groove, and a threaded hole threadedly connected to the outer surface of the threaded column 303 is formed on the upper surface of the sliding block 305. The three-dimensional lidar scanner 302 is fixedly installed at the end of the sliding block 305, and the up and down position of the three-dimensional lidar scanner 302 can be adjusted by the rotation of the first motor 304.

[0041] The rotating assembly 400 is used to drive the two 3D lidar scanners 302 to rotate around the vehicle. The rotating assembly 400 includes an annular groove formed on the upper surface of the detection platform 100, and a rotating ring 401 rotatably arranged on the inner wall of the annular groove. The bottom ends of the two vertical rods 301 are fixedly connected to the upper surface of the rotating ring 401. The rotating assembly 400 further includes a second motor 402 fixedly arranged on the inner bottom wall of the annular groove for driving the rotating ring 401 to rotate;

[0042] A first load-bearing ring 403 is fixedly arranged on the inner wall of the annular groove, and a first annular slide rail 404 is fixedly arranged on the upper surface of the first load-bearing ring 403. The lower surface of the rotating ring 401 is rotatably connected to the upper surface of the first load-bearing ring 403 through the first annular slide rail 404, effectively ensuring the stability of the rotating ring 401 during the rotation process.

[0043] A connecting sleeve 405 rotatably connected to the inner bottom wall of the annular groove is fixedly arranged on the lower surface of the rotating ring 401. The output end of the second motor 402 is fixedly provided with a driving gear 406, and a driven gear ring 407 meshing with the driving gear 406 is fixedly arranged on the outer ring surface of the connecting sleeve 405.

[0044] In this embodiment, by setting the detection assembly 300 and the rotating assembly 400, when the detection device detects the external contour of the vehicle, after driving the vehicle to the middle position on the detection platform 100, the 3D lidar scanner 302 is started to detect, photograph and position the external contour of the vehicle, and the 3D model is displayed through the industrial control computer 200. At the same time, during the detection process, the first motor 304 can be started to drive the threaded column 303 to rotate. The rotation of the threaded column 303 drives the sliding block 305 to move up or down. The up or down movement of the sliding block 305 can drive the 3D lidar scanner 302 to move up or down, so as to scan the contour of the vehicle from different perspectives. Moreover, the rotation of the second motor 402 can drive the driving gear 406 to rotate. The rotation of the driving gear 406 drives the connecting sleeve 405 and the rotating ring 401 to rotate under the action of the driven gear ring 407. The rotation of the rotating ring 401 drives the two 3D lidar scanners 302 to rotate around the vehicle, so as to scan each position of the external contour of the vehicle, making the obtained 3D model more accurate and ensuring the accuracy of the detection.

[0045] Embodiment Two

[0046] On the basis of Embodiment One, and different from Embodiment One,

[0047] A vehicle external contour detection device combining a 3D camera and a radar further includes,

[0048] The rotating assembly 500 is used to drive the vehicle placed on the detection platform 100 to rotate. The rotating assembly 500 includes a circular groove opened on the upper surface of the detection platform 100, and a rotating disk 501 rotatably arranged on the inner wall of the circular groove for placing the vehicle. A third motor 502 for driving the rotating disk 501 to rotate is arranged on the inner bottom wall of the circular groove.

[0049] A second load-bearing ring 503 is fixedly arranged on the annular inner wall of the circular groove, and a second annular slide rail 504 is fixedly arranged on the upper surface of the second load-bearing ring 503. The lower surface of the rotating disk 501 is rotatably connected to the upper surface of the second load-bearing ring 503 through the second annular slide rail 504, effectively ensuring the stability of the rotating disk 501 during rotation.

[0050] A driving gear disk 505 is fixedly arranged at the output end of the third motor 502. A rotating rod 506 rotatably connected to the inner bottom wall of the circular groove is fixedly arranged at the center of the lower surface of the rotating disk 501. A driven gear disk 507 meshing with the driving gear disk 505 is fixedly arranged on the outer surface of the rotating rod 506.

[0051] In this embodiment, by setting the rotating assembly 500, when the detection device scans and models the external contour of the vehicle through the 3D lidar scanner 302, the vehicle can stop on the rotating disk 501, and the third motor 502 is started. The rotation of the third motor 502 drives the driving gear disk 505 to rotate. The rotation of the driving gear disk 505 drives the driven gear disk 507 and the rotating rod 506 to rotate. The rotation of the rotating rod 506 drives the rotating disk 501 to rotate, thereby driving the vehicle to rotate by itself, and further enabling the 3D lidar scanner 302 to scan the external contour of the vehicle more clearly, further ensuring the accuracy of the detection.

[0052] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A vehicle external contour detection device combining a three-dimensional camera and a radar, characterized in that: include, A testing platform (100) is used to test an automobile, an industrial computer (200) being fixedly mounted on the outer surface of the testing platform (100) via a mounting frame; A detection assembly (300), the detection assembly (300) comprising two symmetrical vertical rods (301) arranged on the upper surface of the detection platform (100), and three-dimensional laser radar scanners (302) are slidably arranged on opposite surfaces of the two vertical rods (301); A rotating assembly (400) for driving two three-dimensional laser radar scanners (302) to rotate around a vehicle, the rotating assembly (400) comprising an annular groove formed on the upper surface of the detection platform (100), and a rotating ring (401) rotatably arranged on the inner wall of the annular groove, and the bottom ends of the two vertical rods (301) are fixedly connected to the upper surface of the rotating ring (401), and the rotating assembly (400) further comprises a second motor (402) fixedly arranged on the inner bottom wall of the annular groove for driving the rotating ring (401) to rotate; A rotating assembly (500) is used to drive a car placed on a detection platform (100) to rotate, the rotating assembly (500) comprising a circular groove provided on the upper surface of the detection platform (100), and a rotating disk (501) rotatably arranged on the inner wall of the circular groove for placing the car, and a third motor (502) for driving the rotating disk (501) to rotate is arranged on the inner bottom wall of the circular groove.

2. The vehicle external contour detection device combining a three-dimensional camera and a radar according to claim 1, characterized in that: The surface of the vertical rod (301) is provided with a strip groove, and the inner wall of the strip groove is rotatably provided with a threaded column (303), and the top end of the vertical rod (301) is fixedly provided with a first motor (304) for driving the threaded column (303) to rotate.

3. The vehicle external contour detection device combining a three-dimensional camera and a radar according to claim 2, characterized in that: A sliding block (305) is slidably arranged on the inner wall of the strip groove, and a threaded hole threadedly connected to the outer surface of the threaded column (303) is opened on the upper surface of the sliding block (305), and the three-dimensional laser radar scanner (302) is fixed on the end of the sliding block (305).

4. The vehicle external contour detection device combining a three-dimensional camera and a radar according to claim 1, characterized in that: A first load-bearing ring (403) is fixedly provided on the inner wall of the annular groove, and a first annular slide rail (404) is fixedly provided on the upper surface of the first load-bearing ring (403); the lower surface of the rotating ring (401) is rotatably connected to the upper surface of the first load-bearing ring (403) via the first annular slide rail (404).

5. The vehicle external contour detection device combining a three-dimensional camera and a radar according to claim 1, characterized in that: A connecting sleeve (405) is fixedly disposed on the lower surface of the rotating ring (401) and is rotatably connected to the inner bottom wall of the annular groove; a driving gear (406) is fixedly disposed on the output end of the second motor (402); and a driven gear ring (407) is fixedly disposed on the outer ring surface of the connecting sleeve (405) and is meshed with the driving gear (406).

6. The vehicle external contour detection device combining a three-dimensional camera and a radar according to claim 1, characterized in that: A second load-bearing ring (503) is fixedly provided on the annular inner wall of the circular groove, and a second annular slide rail (504) is fixedly provided on the upper surface of the second load-bearing ring (503); the lower surface of the rotating disk (501) is rotatably connected to the upper surface of the second load-bearing ring (503) via the second annular slide rail (504).

7. The vehicle external contour detection device combining a three-dimensional camera and a radar according to claim 1, characterized in that: A driving toothed disc (505) is fixedly provided at the output end of the third motor (502), a rotating rod (506) rotatably connected to the bottom wall of the circular groove is fixedly provided at the center of the lower surface of the rotating disc (501), and a driven toothed disc (507) meshing with the driving toothed disc (505) is fixedly provided on the outer surface of the rotating rod (506).

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