Calibration device for calibrating a vehicle sensor

Abstract

The utility model discloses a kind of calibration device for calibrating automobile sensor, to solve the technical problem of the structure of existing calibration device, it is difficult to make, inconvenient to adjust. The utility model includes base, mounting frame, transverse detection support, radar reflector plate, first slide rail is provided in mounting frame middle part, mounting frame upper portion is provided with sliding slot, second slide rail is provided in sliding slot, first sliding block is provided on the first slide rail, radar reflector plate is installed on first sliding block, transverse detection support is fixed on the upper portion of second slide rail, radar reflector plate and first sliding block rotatable connection, rotatable abutting block is provided on first sliding block, the abutting block and radar reflector plate abut for adjusting the inclination of radar reflector plate. The utility model has the beneficial effect that: lightweight, structure is stable, convenient adjustment and storage.

Description

Technical Field

[0001] This utility model relates to the field of vehicle radar calibration technology, specifically to a calibration device for calibrating automotive sensors. Background Technology

[0002] Advanced Driver Assistance Systems (ADAS) rely on sensors such as radar, sensors, and cameras to continuously sense the surrounding environment while the vehicle is in motion, collect data, and identify, detect, and track static and dynamic objects, effectively increasing driving comfort and safety. These sensors require precise calibration during installation to function, thus necessitating calibration equipment. Existing calibration devices have bulky brackets, making them inconvenient for transportation and fieldwork. Furthermore, they utilize numerous non-standard machined parts, resulting in long processing cycles, high manufacturing costs, and inconvenient adjustments. Utility Model Content

[0003] This invention provides a calibration device for calibrating automotive sensors, which solves the technical problems of existing calibration devices being complex in structure, difficult to manufacture, and inconvenient to adjust.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: A calibration device for calibrating automotive sensors is designed, comprising a base, a mounting frame, a lateral detection bracket, and a radar reflector. A first slide rail is provided in the middle of the mounting frame, and a slide groove is provided on the upper part of the mounting frame. A second slide rail is provided in the slide groove. A first slider is provided on the first slide rail, and the radar reflector is mounted on the first slider. The lateral detection bracket is fixed to the upper part of the second slide rail. The radar reflector and the first slider are rotatably connected. A rotatable abutment block is provided on the first slider, and the abutment block abuts against the radar reflector to adjust the tilt angle of the radar reflector.

[0005] Furthermore, guide rails are provided on both sides of the mounting frame, and guide sliders are provided on the guide rails. The guide sliders are fixedly connected to the first slider through a connecting plate.

[0006] Furthermore, the first slider is provided with a mounting plate, and the lower part of the mounting plate is provided with a spring connector that is connected to the radar reflector.

[0007] Furthermore, the mounting plate is provided with a first support, a first horizontal rotating shaft is connected to the first support, a first connecting block is provided on the first rotating shaft, and the radar reflector and the first connecting block are fixedly connected.

[0008] Furthermore, the mounting plate is provided with a second support, a second horizontal rotating shaft is connected to the second support, and the abutment block is provided on the second rotating shaft. The cross section of the abutment block perpendicular to the second rotating shaft is polygonal, and at least two sides are at different distances from the second rotating shaft.

[0009] Furthermore, the second rotating shaft extends to both sides, and its ends are provided with adjustment knobs, the shape of which matches the abutment block.

[0010] Furthermore, the first slider is provided with a limiting post, and the back of the mounting plate is provided with a slot that matches and connects with the limiting post.

[0011] Furthermore, the transverse detection bracket includes an intermediate frame fixed to the second slide rail and a rotating frame rotatably connected to both sides of the intermediate frame. The rotating frame is provided with a buckle for fixing to the intermediate frame, and the second slide rail is also provided with a limiting groove for accommodating the rotating frame.

[0012] Furthermore, a vertical adjusting screw is connected to the upper part of the mounting frame, and the top end of the adjusting screw abuts against the intermediate frame.

[0013] Furthermore, a level is provided on the base, rollers are provided below the base, and an adjusting bolt is provided between the base and the rollers.

[0014] Compared with the prior art, the beneficial technical effects of this utility model are as follows: 1. This utility model features a foldable cross arm above the mounting frame, which can be folded downwards for easy transportation and storage.

[0015] 2. This utility model features a double slide rail structure below the mounting frame, which facilitates the height adjustment of the upper bracket and the lower radar calibration plate.

[0016] 3. This utility model features a radar wave reflector that can be adjusted in multiple positions below the mounting frame. An adjustment block is used to adjust multiple angles of the radar reflector. Multiple fixed angles of the radar reflector can be adjusted simply by rotating the handle on the side of the radar reflector, thus improving the ease of operation. Attached Figure Description

[0017] Figure 1 This is a front structural diagram of Embodiment 1 of the present utility model.

[0018] Figure 2 This is a schematic diagram of the back structure of Embodiment 1 of this utility model.

[0019] Figure 3 This is a left-side view of Embodiment 1 of the present invention.

[0020] Figure 4This is a schematic diagram of the radar reflector installation in Embodiment 1 of this utility model.

[0021] Figure 5 This is a schematic diagram of the first slider structure in Embodiment 1 of this utility model.

[0022] In the diagram, there is a base 1, a level 11, a roller 12, and an adjusting bolt 13. Mounting frame 2, first slide rail 21, slide groove 22, first slider 23, guide slide rail 24, guide slider 25, connecting plate 26, limiting post 27, back plate 28, and slot 29; Horizontal detection bracket 3, second slide rail 31, intermediate frame 32, rotating frame 33, limiting groove 34, fastener 35, buckle ring 36, adjusting screw 37; Radar reflector 4, abutment block 41, mounting plate 42, spring connector 43, first support 44, first rotating shaft 45, first connecting block 46, second support 47, second rotating shaft 48, adjustment knob 49. Detailed Implementation

[0023] The specific embodiments of this utility model will be described below with reference to the accompanying drawings and examples. However, the following examples are only used to illustrate this utility model in detail and do not limit the scope of this utility model in any way.

[0024] Example 1: A calibration device for calibrating automotive sensors, see [link to example]. Figures 1 to 5 The system includes a base 1, a mounting frame 2, a horizontal detection bracket 3, and a radar reflector 4. The mounting frame 2 is a rectangular frame structure made of connected profiles, including a top beam and two side columns, which are fixed to the base 1. A vertical first slide rail 21 is provided in the middle of the mounting frame 2, and slide grooves 22 are provided on both sides of the upper part of the mounting frame 2. A second slide rail 31 is provided in the slide grooves 22, and a first slider 23 is provided on the first slide rail 21. The radar reflector 4 is installed on the first slider 23, and the horizontal detection bracket 3 is fixed to the upper part of the second slide rail 31.

[0025] The radar reflector 4 and the first slider 23 are rotatably connected. The first slider 23 has a rotatable abutment block 41, which abuts against the radar reflector 4 to adjust its tilt angle. Specifically, the first slider 23 has a mounting plate 42. The lower part of the mounting plate 42 has a spring connector 43 connected to the radar reflector 4. A column can be built into the spring connector 43, which is fixed to the mounting plate 42. The spring connector 43 uses its elasticity to press the radar reflector 4 tightly against the surface of the abutment block 41. A first support 44 is located in the middle of the mounting plate 42. A first horizontal rotating shaft 45 is connected to the first support 44. First connecting blocks 46 are located on both sides of the first rotating shaft 45, and the radar reflector 4 is fixedly connected to the first connecting blocks 46.

[0026] A second support 47 is provided on the upper part of the mounting plate 42. A second horizontal rotating shaft 48 is connected to the second support 47. An abutment block 41 is provided on the second rotating shaft 48. The cross section of the abutment block 41 perpendicular to the second rotating shaft is polygonal, and at least two sides are at different distances from the second rotating shaft. In this embodiment, the abutment block 41 is a rectangular plate, and each side is at a different vertical distance from the second rotating shaft. When the outermost vertical side is taken as the initial position, the upper side is at the first position, the opposite side is at the second position, and the lower side is at the third position. The second rotating shaft 48 extends to both sides, and an adjustment knob 49 is provided at its end. The shape of the adjustment knob 49 matches the abutment block 41. Rotating the adjustment knob 49 can realize the three-position adjustment of the tilt angle of the radar reflector 4.

[0027] Guide rails 24 are provided on both sides of the mounting frame 2, and guide sliders 25 are provided on the guide rails. The guide sliders 25 are fixedly connected to the first slider 23 through the connecting plate 26. Limiting posts 27 are provided on the first slider 23, and the limiting posts 27 are located at the four corners of the first slider 23. A back plate 28 is provided on the back of the mounting plate 42, and there is a gap between the back plate 28 and the mounting plate 42. The back plate 28 is provided with a slot 29 that matches and connects with the limiting posts 27. The slot 29 is a vertical straight groove. During installation, the slot 29 only needs to be vertically inserted into the limiting post 27.

[0028] The transverse inspection bracket 3 includes an intermediate frame 32 fixed to the top of the second slide rail 31 and a rotating frame 33 rotatably connected to both sides of the intermediate frame. The rotating frame 33 can rotate downwards from the intermediate frame 32 via a hinge structure for easy storage. The second slide rail 31 is also provided with a limiting groove 34 for accommodating the rotating frame 33. In use, the rotating frame 33 is rotated to a horizontal position. A fastener 35 is provided on the rotating frame, and a buckle 36 is provided on the intermediate frame to fix the rotating frame 33 and the intermediate frame 32 in a snap-fit ​​manner. A vertical adjusting screw 37 is connected to the upper crossbeam of the mounting frame 2. The top of the adjusting screw 37 abuts against the intermediate frame 32 to facilitate height adjustment of the transverse inspection bracket 3.

[0029] A level 11 is installed on the base 1, and rollers 12 are installed at the four lower corners of the base 1. An adjusting bolt 13 is installed between the base 1 and the rollers 12. The levelness of the base can be adjusted by adjusting the height of the base 1 from the rollers 12.

[0030] The present invention has been described in detail above with reference to the accompanying drawings and embodiments. However, those skilled in the art will understand that, without departing from the spirit of the present invention, various specific parameters in the above embodiments can be changed to form multiple specific embodiments, all of which are common variations of the present invention, and will not be described in detail here.

Claims

1. A calibration device for calibrating automotive sensors, characterized in that: The device includes a base, a mounting frame, a transverse detection bracket, and a radar reflector. The mounting frame has a first slide rail in the middle and a slide groove at the top, with a second slide rail in the groove. A first slider is mounted on the first slide rail, and the radar reflector is mounted on the first slider. The transverse detection bracket is fixed to the upper part of the second slide rail. The radar reflector and the first slider are rotatably connected. A rotatable abutment block is mounted on the first slider, and the abutment block abuts against the radar reflector to adjust the tilt angle of the radar reflector.

2. The calibration device for calibrating automotive sensors according to claim 1, characterized in that: The mounting frame is provided with guide rails on both sides, and guide sliders are provided on the guide rails. The guide sliders are fixedly connected to the first slider through a connecting plate.

3. The calibration device for calibrating automotive sensors according to claim 1, characterized in that: The first slider is provided with a mounting plate, and the lower part of the mounting plate is provided with a spring connector that is connected to the radar reflector.

4. The calibration device for calibrating automotive sensors according to claim 3, characterized in that: The mounting plate is provided with a first support, a first horizontal rotating shaft is connected to the first support, a first connecting block is provided on the first rotating shaft, and the radar reflector and the first connecting block are fixedly connected.

5. The calibration device for calibrating automotive sensors according to claim 3, characterized in that: The mounting plate is provided with a second support, and a second horizontal rotating shaft is connected to the second support. The abutment block is provided on the second rotating shaft. The cross section of the abutment block perpendicular to the second rotating shaft is polygonal, and at least two sides are at different distances from the second rotating shaft.

6. The calibration device for calibrating automotive sensors according to claim 5, characterized in that: The second rotating shaft extends to both sides, and its ends are provided with adjustment knobs, the shape of which matches the abutment block.

7. The calibration device for calibrating automotive sensors according to claim 3, characterized in that: The first slider is provided with a limit post, and the back of the mounting plate is provided with a slot that matches and connects with the limit post.

8. The calibration device for calibrating automotive sensors according to claim 1, characterized in that: The transverse detection bracket includes an intermediate frame fixed to the second slide rail and a rotating frame rotatably connected to both sides of the intermediate frame. The rotating frame is provided with a buckle for fixing to the intermediate frame, and the second slide rail is also provided with a limiting groove for accommodating the rotating frame.

9. The calibration device for calibrating automotive sensors according to claim 8, characterized in that: The upper part of the mounting frame is connected to a vertical adjusting screw, and the top of the adjusting screw abuts against the intermediate frame.

10. The calibration device for calibrating automotive sensors according to claim 1, characterized in that: A level is installed on the base, and rollers are installed below the base. An adjusting bolt is installed between the base and the rollers.

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