Auxiliary calibration equipment for automobile radar

Abstract

The utility model discloses an auxiliary calibration device for an automobile radar, and the device comprises a centering module which is used for centering an automobile to be processed; and the calibration module surrounds the centering module and is used for calibrating the automobile which is centered by the centering module. The centering module comprises a centering table; the pair of first roller sets are arranged on the two sides of the head end of the centering table respectively; the first centering assembly is arranged between the pair of first roller sets and used for centering the front wheels of the automobile to be treated. The pair of second roller sets are arranged on the two sides of the tail end of the centering table respectively; the second centering assembly is arranged between the pair of second roller sets and used for centering the to-be-treated rear wheels of the automobile. According to the utility model, different vehicles can be calibrated and corrected, the reliability of the auxiliary driving function of the vehicle is improved, the calibration efficiency is improved, and the calibration requirement is met.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle calibration, in particular to an automobile radar auxiliary calibration device. Background Art

[0002] Autonomous driving is the future trend, and assisted driving is the only way for cars to achieve autonomous driving. Initially, assisted driving technology was applied to luxury cars. As the technology gradually matures and product prices tend to fall, automakers have begun to gradually penetrate into mid-range and small cars. It is estimated that in the future, the number of cars equipped with assisted driving will be very large, so the automotive aftermarket also needs to launch assisted driving calibration services. Help users to successfully complete the calibration of radars and cameras, restore the assisted driving function to normal, and ensure the user's driving safety.

[0003] Before performing assisted driving calibration, it is usually necessary to calibrate the longitudinal centerline of the vehicle. In the related art, the calibration of the longitudinal centerline of the vehicle is very cumbersome and inefficient, and there is a large angle deviation, and the calibrated longitudinal centerline of the vehicle is inaccurate.

[0004] At present, the calibration of vehicles is carried out by calibration engineers through the actual vehicle to select points for debugging under various working conditions, and finally the optimal performance of the vehicle is obtained by adjusting relevant parameters. This calibration method has a long cycle, low efficiency and high cost.

[0005] In summary, how to improve vehicle calibration efficiency and reduce vehicle calibration costs is a technical problem that needs to be urgently solved by those skilled in the art. Summary of the invention

[0006] According to an embodiment of the utility model, a vehicle radar auxiliary calibration device is provided, comprising:

[0007] Centering module, used to center the car to be processed;

[0008] The calibration module surrounds the centering module and is used to calibrate the vehicle after the centering module has processed the vehicle.

[0009] Furthermore, the centering module includes:

[0010] To the middle station;

[0011] A pair of first roller groups, the pair of first roller groups are respectively arranged on both sides of the head end of the centering platform;

[0012] A first centering assembly, which is disposed between a pair of first roller groups and is used to center the front wheels of the vehicle to be processed;

[0013] A pair of second roller groups, the pair of second roller groups are respectively arranged on both sides of the tail end of the centering platform;

[0014] The second centering assembly is arranged between a pair of second roller groups and is used for centering the rear wheels of the automobile to be processed.

[0015] Further, the first pair of components comprises:

[0016] A pair of first guide rails, the pair of first guide rails are arranged opposite to each other and are both located between the pair of first roller groups;

[0017] A pair of first slides, the pair of first slides are slidably connected to the pair of first guide rails, and a first push block is provided at one end of the pair of first slides facing the pair of first roller groups;

[0018] A first movable rod, the first movable rod is rotatably arranged in the middle of a pair of first slides;

[0019] A pair of first connecting rods, one end of one of the first connecting rods is hinged to one end of the first movable rod, and the other end is hinged to one of the first slides; one end of the other first connecting rod is hinged to the other end of the first movable rod, and the other end is hinged to the other first slide;

[0020] The first cylinder has a fixed end connected to the centering platform, and an output end of the first cylinder is connected to any first sliding platform.

[0021] Further, the second pair of components comprises:

[0022] A pair of second guide rails, the pair of second guide rails are arranged opposite to each other and are both located between the pair of second roller groups;

[0023] A pair of second slides, the pair of second slides are slidably connected to the pair of second guide rails, and a second push block is arranged at one end of the pair of second slides facing the pair of second roller groups;

[0024] A second movable rod, the second movable rod is rotatably arranged in the middle of a pair of second slides;

[0025] A pair of second connecting rods, one end of one of the second connecting rods is hinged to one end of the second movable rod, and the other end is hinged to one of the second slides; one end of the other second connecting rod is hinged to the other end of the second movable rod, and the other end is hinged to the other second slide;

[0026] A third movable rod, the third movable rod is rotatably arranged in the middle of a pair of second slides, and the third movable rod is located on one side of the second movable rod;

[0027] A pair of third connecting rods, one end of one of the third connecting rods is hinged to one end of the third movable rod, and the other end is hinged to one of the second slides; one end of the other third connecting rod is hinged to the other end of the third movable rod, and the other end is hinged to the other second slide;

[0028] The second cylinder, the fixed end of the second cylinder is connected to the centering platform, and the output end of the second cylinder is connected to any second sliding platform.

[0029] Furthermore, the centering module further comprises: a pair of sensors, wherein the pair of sensors are respectively arranged on non-opposite sides of a pair of first roller groups.

[0030] Further, any first roller group comprises:

[0031] A plurality of first rollers are rotatably arranged on one side of the head end of the centering platform and arranged in a row;

[0032] A plurality of second rollers are rotatably arranged on one side of the head end of the centering platform, and any second roller is arranged between two adjacent first rollers.

[0033] Furthermore, any second roller group includes: a plurality of third rollers, the plurality of third rollers are rotatably arranged on one side of the tail end of the centering platform, the plurality of third rollers form a matrix of multiple rows and columns, and the plurality of third rollers in any two adjacent columns are staggered.

[0034] Furthermore, the calibration module includes: four gantry frames and multiple calibration frames, the four gantry frames and the multiple calibration frames are arranged around the centering module, wherein the four gantry frames are arranged in pairs on four sides of the centering module, the four gantry frames and the multiple calibration frames are all provided with a first mark plate, wherein two opposite gantry frames are provided with a liftable second mark plate, and the first mark plate and the second mark plate are provided with calibration QR codes.

[0035] Furthermore, the calibration module also includes: two linear modules, the two linear modules are respectively connected to the two portal frames and the second mark plate located on the two portal frames, and drive the second mark plate to rise and fall.

[0036] According to an automobile radar auxiliary calibration device of an embodiment of the utility model, different vehicles can be calibrated and corrected, thereby improving the reliability of the vehicle's assisted driving function, improving the calibration efficiency, and meeting the calibration requirements.

[0037] It is to be understood that both the foregoing general description and the following detailed description are exemplary, and are intended to provide further explanation of the technology as claimed. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 The figure is a schematic diagram of the three-dimensional structure of an automobile radar auxiliary calibration device according to an embodiment of the utility model.

[0039] Figure 2 The figure is a schematic diagram of the top structure of an automobile radar auxiliary calibration device according to an embodiment of the utility model.

[0040] Figure 3The figure is a schematic diagram of the top structure of a centering component of an automobile radar auxiliary calibration device according to an embodiment of the utility model.

[0041] Figure 4 The present invention is a schematic diagram of the three-dimensional structure of a centering component of an automobile radar auxiliary calibration device according to an embodiment of the present invention.

[0042] Figure 5 for Figure 3 A local enlarged schematic diagram of point a in the middle. DETAILED DESCRIPTION

[0043] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings to further illustrate the present invention.

[0044] First, combine Figures 1 to 5 An automobile radar auxiliary calibration device according to an embodiment of the utility model is described, which is used to calibrate the radar of a vehicle and has a wide range of application scenarios.

[0045] like Figures 1 to 5 As shown, an automobile radar auxiliary calibration device according to an embodiment of the utility model comprises a centering module and a calibration module.

[0046] Specifically, Figures 2~5 As shown, the centering module is used to center the car to be processed. The centering module includes: a centering platform 11, a pair of first roller groups 12, a first centering component, a pair of second roller groups 14 and a second centering component. A pair of first roller groups 12 are respectively arranged on both sides of the head end of the centering platform 11; the first centering component is arranged between the pair of first roller groups 12, and is used to center the front wheels of the car to be processed; a pair of second roller groups 14 are respectively arranged on both sides of the tail end of the centering platform 11; the second centering component is arranged between the pair of second roller groups 14, and is used to center the rear wheels of the car to be processed. A pair of first roller groups 12 are used to cooperate with the first centering component to realize the centering of the front wheels of the car, and a pair of second roller groups 14 are used to cooperate with the second centering component to realize the centering of the rear wheels of the car, thereby realizing the overall centering of the car. The tops of the first centering component and the second centering component are both provided with shielding covers to protect the first centering component and the second centering component and extend their service life.

[0047] Further, if Figures 2~5As shown, the first centering assembly includes: a pair of first guide rails 131 , a pair of first slide platforms 132 , a first movable rod 133 , a pair of first connecting rods 134 and a first cylinder 135 . A pair of first guide rails 131 are arranged opposite to each other and are both located between a pair of first roller groups 12; a pair of first slides 132 are slidably connected to the pair of first guide rails 131 to ensure that the pair of first slides 132 can move on the pair of first guide rails 131 in a stably guided manner, and a first push block 1321 is provided at one end of the pair of first slides 132 facing the pair of first roller groups 12, and the first push block 1321 is used to push the front wheel of the car; a first movable rod 133 is rotatably arranged in the middle of the pair of first slides 132; one end of one of the first connecting rods 134 is hinged to one end of the first movable rod 133, and the other end is hinged to one of the first slides 132; one end of another first connecting rod 134 is hinged to the other end of the first movable rod 133, and the other end is hinged to another first slide 132; the fixed end of the first cylinder 135 is connected to the centering platform 11, and the output end of the first cylinder 135 is connected to any first slide 132. By controlling the movement of the first cylinder 135, one of the first slides 132 can be driven to move on the pair of first guide rails 131, and when one of the first slides 132 moves, through the transmission of the first movable rod 133 and the pair of first connecting rods 134, the other first slide 132 can be driven to make an opposite movement relative to one of the first slides 132, thereby driving the first push block 1321 located on the pair of first slides 132 to push the front wheels of the car located on the pair of first roller groups 12, thereby realizing the centering of the front wheels of the car.

[0048] Further, if Figures 2~5As shown, the second centering assembly includes: a pair of second guide rails 151, a pair of second slides 152, a second movable rod 153, a pair of second connecting rods 154, a third movable rod 155, a pair of third connecting rods 156 and a second cylinder 157. The pair of second guide rails 151 are arranged opposite to each other and are both located between the pair of second roller groups 14; the pair of second slides 152 are slidably connected to the pair of second guide rails 151 to ensure that the pair of second slides 152 can move on the pair of second guide rails 151 in a stable and guided manner; the pair of second slides 152 are both provided with a second push block 1521 at one end facing the pair of second roller groups 14, and the second push block 1521 is used to push the rear wheels of the car. The second push block 1521 adopts a longer length to meet the centering requirements of different length measurements; the second movable rod 153 is rotatably arranged in the middle of the pair of second slides 152; one end of one of the second connecting rods 154 is hinged to one end of the second movable rod 153, and the other end is hinged to one of the second slides 1 52 is hinged; one end of another second connecting rod 154 is hinged to the other end of the second movable rod 153, and the other end is hinged to another second slide 152; the third movable rod 155 is rotatably arranged in the middle of a pair of second slides 152, and the third movable rod 155 is located on one side of the second movable rod 153; one end of one of the third connecting rods 156 is hinged to one end of the third movable rod 155, and the other end is hinged to one of the second slides 152; one end of another third connecting rod 156 is hinged to the other end of the third movable rod 155, and the other end is hinged to another second slide 152; the fixed end of the second cylinder 157 is connected to the centering platform 11, and the output end of the second cylinder 157 is connected to any second slide 152. By controlling the movement of the second cylinder 157, one of the second slides 152 can be driven to move on a pair of second slide rails, and the other second slide 152 can be driven to move in the opposite direction relative to one of the second slides 152 through the second movable rod 153, a pair of second connecting rods 154, the third movable rod 155, and a pair of third connecting rods 156, thereby driving the second push block 1521 located on the pair of second slides 152 to push the rear wheels of the car located on the pair of second roller groups 14, thereby realizing the centering of the rear wheels of the car.

[0049] Further, if Figures 2~5 As shown, the centering module further includes: a pair of sensors 16 , which are respectively arranged on the non-opposite sides of the pair of first roller groups 12 and are used to detect whether a car drives onto the pair of first roller groups 12 .

[0050] Further, if Figures 2~5As shown, any first roller group 12 includes: a plurality of first rollers 121 and a plurality of second rollers 122. The plurality of first rollers 121 are rotatably arranged at one side of the head end of the centering platform 11 and arranged in a row; the plurality of second rollers 122 are rotatably arranged at one side of the head end of the centering platform 11, and any second roller 122 is arranged between two adjacent first rollers 121, which can clamp and fix the front wheels of the vehicle so that the vehicle reaches the expected horizontal position.

[0051] Further, if Figures 2~5 As shown, any second roller group 14 includes: a plurality of third rollers 141, the plurality of third rollers 141 are rotatably arranged on the tail end side of the centering platform 11, the plurality of third rollers 141 form a multi-row and multi-column matrix, and the plurality of third rollers 141 in any two adjacent columns are staggeredly arranged to meet the centering requirements of vehicles of different lengths.

[0052] Specifically, Figure 1~2 As shown, the calibration module surrounds the centering module and is used to calibrate the car after the centering module has processed the car. The calibration module includes: four portal frames 21 and multiple calibration frames 22, the four portal frames 21 and multiple calibration frames 22 are arranged around the centering module, wherein the four portal frames 21 are arranged on the four sides of the centering module in pairs, and the four portal frames 21 and multiple calibration frames 22 are each provided with a first mark plate 23, wherein two opposite portal frames 21 are provided with a second mark plate 24 that can be raised and lowered, and the first mark plate 23 and the second mark plate 24 are provided with a calibration QR code. The calibration module also includes: two linear modules 25, the two linear modules 25 are respectively connected to the two portal frames 21 and the second mark plate 24 located on the two portal frames 21, and drive the second mark plate 24 to rise and fall. The second mark plate 24 can be controlled to rise and fall when the vehicle enters and exits to prevent interference.

[0053] Working principle:

[0054] First, the second mark plate 24 on the portal frame 21 is raised by the linear module 25, so that the car can enter the centering module, and then the second mark plate 24 on the portal frame 21 is reset;

[0055] When the front wheels of the car drive into the position of the pair of first roller groups 12 and stop, the pair of sensors 16 will detect that the car has driven in, and then the front wheels and rear wheels of the car will be centered respectively by the first centering assembly and the second centering assembly;

[0056] After the alignment is completed, the car is calibrated through the calibration module, and after the calibration is completed, the car is driven out.

[0057] Above, refer to Figures 1 to 5An automotive radar assisted calibration device according to an embodiment of the utility model is described, which can calibrate and correct different vehicles, improve the reliability of the vehicle's assisted driving function, improve the calibration efficiency, and meet the calibration requirements.

[0058] It should be noted that, in this specification, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprises..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0059] Although the content of the utility model has been described in detail through the above preferred embodiments, it should be appreciated that the above description should not be considered as a limitation of the utility model. After reading the above content, various modifications and substitutions of the utility model will be obvious to those skilled in the art. Therefore, the protection scope of the utility model should be limited by the attached claims.

Claims

1. An automobile radar auxiliary calibration device, characterized in that: Include: Centering module, used to center the car to be processed; A calibration module, the calibration module surrounds the centering module and is used to calibrate the vehicle after the centering process by the centering module; The centering module comprises: To the middle station; A pair of first roller groups, the pair of first roller groups are respectively arranged on both sides of the head end of the centering platform; a first centering assembly, the first centering assembly being disposed between the pair of first roller groups and used for centering the front wheels of the vehicle to be processed; A pair of second roller groups, the pair of second roller groups are respectively arranged on both sides of the tail end of the centering platform; a second centering assembly, the second centering assembly being disposed between the pair of second roller groups and used for centering the rear wheels of the vehicle to be processed; The calibration module includes: four portal frames and multiple calibration frames, the four portal frames and the multiple calibration frames are arranged around the centering module, wherein the four portal frames are arranged in pairs on four sides of the centering module, the four portal frames and the multiple calibration frames are all provided with a first mark plate, wherein two opposite portal frames are provided with a liftable second mark plate, and the first mark plate and the second mark plate are provided with calibration QR codes.

2. The automotive radar assisted calibration device as claimed in claim 1, characterized in that: The first centering component comprises: A pair of first guide rails, the pair of first guide rails are arranged opposite to each other and are both located between the pair of first roller groups; A pair of first slides, the pair of first slides are slidably connected to the pair of first guide rails, and the pair of first slides are each provided with a first push block at one end facing the pair of first roller groups; A first movable rod, the first movable rod is rotatably disposed in the middle of the pair of first slides; A pair of first connecting rods, wherein one end of one of the first connecting rods is hinged to one end of the first movable rod, and the other end is hinged to one of the first slides; one end of the other first connecting rod is hinged to the other end of the first movable rod, and the other end is hinged to the other first slide; A first cylinder, wherein a fixed end of the first cylinder is connected to the centering platform, and an output end of the first cylinder is connected to any one of the first sliding platforms.

3. The automotive radar assisted calibration device as claimed in claim 1, characterized in that: The second centering component comprises: A pair of second guide rails, the pair of second guide rails are arranged opposite to each other and are both located between the pair of second roller groups; A pair of second slides, the pair of second slides are slidably connected to the pair of second guide rails, and the pair of second slides are both provided with second push blocks at one end facing the pair of second roller groups; A second movable rod, the second movable rod being rotatably disposed in the middle of the pair of second slides; A pair of second connecting rods, wherein one end of one of the second connecting rods is hinged to one end of the second movable rod, and the other end is hinged to one of the second slides; one end of the other second connecting rod is hinged to the other end of the second movable rod, and the other end is hinged to the other second slide; a third movable rod, the third movable rod being rotatably disposed in the middle of the pair of second slides, the third movable rod being located on one side of the second movable rod; A pair of third connecting rods, wherein one end of one of the third connecting rods is hinged to one end of the third movable rod, and the other end is hinged to one of the second slides; one end of the other third connecting rod is hinged to the other end of the third movable rod, and the other end is hinged to the other second slide; A second cylinder, wherein a fixed end of the second cylinder is connected to the centering platform, and an output end of the second cylinder is connected to any of the second sliding platforms.

4. The automotive radar assisted calibration device as claimed in claim 1, characterized in that: The centering module further includes: a pair of sensors, and the pair of sensors are respectively arranged on the non-opposite sides of the pair of first roller groups.

5. The automotive radar assisted calibration device as claimed in claim 1, characterized in that: Any of the first roller groups comprises: A plurality of first rollers, the plurality of first rollers are rotatably arranged on one side of the head end of the centering platform and arranged in a row; A plurality of second rollers are rotatably arranged on one side of the head end of the centering platform, and any second roller is arranged between two adjacent first rollers.

6. The automotive radar assisted calibration device as claimed in claim 1, characterized in that: Any of the second roller groups comprises: a plurality of third rollers, the plurality of third rollers are rotatably arranged on one side of the tail end of the centering platform, the plurality of third rollers form a matrix of multiple rows and columns, and the plurality of third rollers in any two adjacent columns are staggered.

7. The automotive radar assisted calibration device as claimed in claim 1, characterized in that: The calibration module further comprises: two linear modules, the two linear modules are respectively connected to the two portal frames and the second calibration plates located on the two portal frames, and drive the second calibration plates to rise and fall.

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