CN218332627U - Calibration frame for vehicle automatic driving sensing element - Google Patents
Calibration frame for vehicle automatic driving sensing element Download PDFInfo
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- CN218332627U CN218332627U CN202221784978.8U CN202221784978U CN218332627U CN 218332627 U CN218332627 U CN 218332627U CN 202221784978 U CN202221784978 U CN 202221784978U CN 218332627 U CN218332627 U CN 218332627U
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Abstract
The utility model provides a calibration frame for vehicle autopilot perception element, its characterized in that: the radar calibration system comprises a moving frame, a camera calibration part and a radar calibration part; the camera marking part is arranged on the front side surface of the moving frame, and the radar marking part is arranged on the rear side surface of the moving frame; the left side and the right side of the movable frame are respectively provided with a double-sided scale, and the two double-sided scales are arranged in a bilateral symmetry mode by taking the central plane as a symmetry center; and the bottom of the movable frame is also provided with an adjusting screw rod for adjusting the calibration frame to be horizontal. The calibration frame is adopted to calibrate the vehicle sensing element, so that the production efficiency and the calibration precision are improved, and the calibration cost is reduced.
Description
Technical Field
The utility model relates to an automobile manufacturing technical field, especially a calibration frame for vehicle autopilot perception element.
Background
Before an automatic driving vehicle leaves a factory, sensing elements such as a camera and a radar arranged on a vehicle head are generally required to be calibrated so as to improve the detection accuracy of the sensing elements. In the prior art, because the calibration modes of the sensing elements are different, calibration frames with different models are usually designed for each sensing element, but the calibration frames have the problems of inconvenient adjustment, low calibration precision and single calibration function, and the production efficiency is low because the calibration frames with different models need to be replaced and adjusted for different sensing elements.
SUMMERY OF THE UTILITY MODEL
To the problem in the background art, the utility model provides a mark frame for vehicle autopilot perception element to solve among the prior art to the automatic perception element of vehicle mark inefficiency, precision low, be suitable for the single problem of motorcycle type.
The utility model aims at realizing through the technical scheme, which comprises the following steps:
a calibration frame for a vehicle automatic driving perception element is characterized in that: the radar calibration system comprises a moving frame, a camera calibration part and a radar calibration part; the camera marking part is arranged on the front side surface of the moving frame, and the radar marking part is arranged on the rear side surface of the moving frame; the camera calibration part comprises a front support, a camera calibration target, a first guide rail, a first cross laser instrument, a first laser range finder and a first level instrument, the front support is fixedly arranged at the lower part of the front side surface of the movable frame, the first guide rail is fixedly arranged on the front side surface of the front support, the axial direction of the first guide rail is vertically arranged, the camera calibration target is arranged on the first guide rail, the camera calibration target can slide up and down along the first guide rail and can be fixed on the first guide rail, the first cross laser instrument is fixedly arranged at the upper part of the front support, the first laser range finder is fixedly arranged at the lower part of the front support, and the first level instrument is fixedly arranged on the lower end surface of the camera calibration target; the radar calibration part comprises a radar reflecting plate, a second guide rail, a second cross laser instrument, a second laser range finder and a second level meter, the second guide rail is fixedly arranged on the rear side face of the movable frame, the axial direction of the second guide rail is vertically arranged, the radar reflecting plate is arranged on the second guide rail, the radar reflecting plate can slide up and down along the second guide rail and can be fixed on the second guide rail, the second cross laser instrument is fixedly arranged at the top of the movable frame, the second laser range finder is fixedly arranged at the top of the second guide rail, and the second level meter is fixedly arranged on a non-reflecting surface of the radar reflecting plate;
recording left and right virtual symmetrical planes of a camera calibration target as central planes, wherein the light source centers of the first cross laser instrument and the second cross laser instrument are both arranged on the central planes, the left and right sides of the moving frame are respectively provided with a double-sided scale, the two double-sided scales are arranged in a left-right symmetrical mode by taking the central planes as symmetrical centers, and the axial directions of the double-sided scales are arranged along the horizontal direction; and the bottom of the movable frame is also provided with an adjusting screw rod for adjusting the calibration frame to be horizontal.
Preferably, the bottom of the movable frame is further provided with a universal wheel for adjusting the horizontal position of the calibration frame.
Preferably, the left side and the right side of the movable frame are both provided with handles.
Due to the adoption of the technical scheme, the utility model discloses following advantage has: because the camera marking part and the radar marking part are integrated on the marking frame, the marking conversion of the two sensing elements is very convenient, and only the front side and the rear side of the marking frame need to be changed, thereby saving the time for changing the marking device and improving the production efficiency; the calibration frame is provided with the cross laser instrument, the laser range finder, the level meter, the double-sided scale and other equipment, so that the positioning precision of the calibration frame is greatly improved, and the calibration precision of the sensing element is improved; in addition, the camera calibration target and the radar reflecting plate are arranged on the guide rails and can slide up and down on the respective guide rails, and the height is adjusted, so that the calibration frame can adapt to vehicle types with different heights, the calibration frame can adapt to the calibration of various vehicle types, the model configuration of the calibration frame is reduced, and the calibration cost is saved.
Drawings
The drawings of the present invention are described below.
FIG. 1 is a schematic structural view of the front side of the present invention;
fig. 2 is a schematic structural view of the rear side of the present invention.
In the figure: 1. moving the frame; 2. a front bracket; 3. calibrating a target by a camera; 4. a first guide rail; 5. a first cross laser; 6. a first laser range finder; 7. a first level; 8. a radar reflecting plate; 9. a second guide rail; 10. a second cross laser; 11. a second laser range finder; 12. a second level; 13. a double-sided scale; 14. adjusting the screw rod; 15. a universal wheel; 16. and (4) a handle.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
The calibration frame for the vehicle automatic driving perception element as shown in the attached figures 1 and 2 comprises a moving frame 1, a camera calibration part and a radar calibration part; the camera marking part is arranged on the front side surface of the moving frame 1, and the radar marking part is arranged on the rear side surface of the moving frame 1; the camera calibration part comprises a front support 2, a camera calibration target 3, a first guide rail 4, a first cross laser instrument 5, a first laser range finder 6 and a first level gauge 7, the front support 2 is fixedly arranged at the lower part of the front side surface of the movable frame 1, the first guide rail 4 is fixedly arranged on the front side surface of the front support 2, the axial direction of the first guide rail 4 is vertically arranged, the camera calibration target 3 is arranged on the first guide rail 4, the camera calibration target 3 can slide up and down along the first guide rail 4 and can be fixed on the first guide rail 4, the first cross laser instrument 5 is fixedly arranged at the upper part of the front support 2, the first laser range finder 6 is fixedly arranged at the lower part of the front support 2, and the first level gauge 7 is fixedly arranged on the lower end surface of the camera calibration target 3; the radar calibration part comprises a radar reflecting plate 8, a second guide rail 9, a second cross laser instrument 10, a second laser range finder 11 and a second level gauge 12, the second guide rail 9 is fixedly arranged on the rear side surface of the moving frame 1, the second guide rail 9 is vertically arranged in the axial direction, the radar reflecting plate 8 is arranged on the second guide rail 9, the radar reflecting plate 8 can slide up and down along the second guide rail 9 and can be fixed on the second guide rail 9, the second cross laser instrument 10 is fixedly arranged on the top of the moving frame 1, the second laser range finder 11 is fixedly arranged on the top of the second guide rail 9, and the second level gauge 12 is fixedly arranged on a non-reflecting surface of the radar reflecting plate 8;
recording left and right virtual symmetrical planes of the camera calibration target 3 as central planes, wherein the light source centers of the first cross laser 5 and the second cross laser 10 are both arranged on the central planes, the left side and the right side of the movable frame 1 are respectively provided with a double-sided scale 13, the two double-sided scales 13 are arranged in a left-right symmetrical mode by taking the central planes as symmetrical centers, and the axial directions of the double-sided scales 13 are arranged along the horizontal direction; the bottom of the movable frame 1 is also provided with an adjusting screw 14 for adjusting the calibration frame horizontally.
In order to facilitate the movement and adjustment of the calibration frame, the bottom of the moving frame 1 is further provided with universal wheels 15 for adjusting the horizontal position of the calibration frame.
In order to facilitate the moving operation of the calibration frame, the left side and the right side of the moving frame 1 are provided with handles 16.
When the laser alignment device is used, firstly, the alignment target is installed on the license plate of the vehicle head, then, the laser emitters are respectively installed on two sides of the rear axle of the vehicle, then, the calibration frame is moved to the position right in front of the vehicle, the camera head calibration part is enabled to be right opposite to the vehicle head, the first laser range finder is opened, the calibration frame is moved to a specified distance range according to the distance reading displayed in real time, then, the calibration frame is moved, the scale readings of laser points projected on two double-sided scales by the lasers emitted by the two laser emitters on the rear axle are the same, then, the first cross laser is opened, the laser line is enabled to be aligned with the alignment target center on the license plate, then, the adjusting screw is adjusted, the horizontal bubble of the first level meter is enabled to be centered, and then, the camera head calibration program is started to calibrate the camera; then, the calibration frame is rotated to enable the radar calibration part to be over against the vehicle head to calibrate the radar, and the leveling and centering steps of the calibration frame are the same as those of the camera calibration part; the calibration sequence of the camera and the radar can be determined according to actual calibration requirements.
Claims (3)
1. A calibration rack for a vehicle autopilot sensing element, characterized by: the device comprises a moving frame (1), a camera calibration part and a radar calibration part; the camera marking part is arranged on the front side surface of the moving frame (1), and the radar marking part is arranged on the rear side surface of the moving frame (1); the camera calibration part comprises a front support (2), a camera calibration target (3), a first guide rail (4), a first cross laser instrument (5), a first laser range finder (6) and a first level meter (7), the front support (2) is fixedly arranged at the lower part of the front side surface of the movable frame (1), the first guide rail (4) is fixedly arranged on the front side surface of the front support (2), the axial direction of the first guide rail (4) is vertically arranged, the camera calibration target (3) is arranged on the first guide rail (4), the camera calibration target (3) can slide up and down along the first guide rail (4) and can be fixed on the first guide rail (4), the first cross laser range finder (5) is fixedly arranged at the upper part of the front support (2), the first laser range finder (6) is fixedly arranged at the lower part of the front support (2), and the first level meter (7) is fixedly arranged on the lower end surface of the camera calibration target (3); the radar calibration part comprises a radar reflecting plate (8), a second guide rail (9), a second cross laser instrument (10), a second laser range finder (11) and a second level meter (12), the second guide rail (9) is fixedly arranged on the rear side surface of the movable frame (1), the axial direction of the second guide rail (9) is vertically arranged, the radar reflecting plate (8) is arranged on the second guide rail (9), the radar reflecting plate (8) can slide up and down along the second guide rail (9) and can be fixed on the second guide rail (9), the second cross laser instrument (10) is fixedly arranged at the top of the movable frame (1), the second laser range finder (11) is fixedly arranged at the top of the second guide rail (9), and the second level meter (12) is fixedly arranged on a non-reflecting surface of the radar reflecting plate (8);
recording left and right virtual symmetric planes of a camera calibration target (3) as central planes, wherein the centers of light sources of the first cross laser (5) and the second cross laser (10) are both arranged on the central planes, two double-sided scales (13) are respectively arranged on the left side and the right side of the moving frame (1), the two double-sided scales (13) are arranged in a left-right symmetric manner by taking the central planes as symmetric centers, and the axial directions of the double-sided scales (13) are arranged along the horizontal direction; the bottom of the movable frame (1) is also provided with an adjusting screw rod (14) for adjusting the calibration frame to be horizontal.
2. The calibration rack for a vehicle autopilot sensing element of claim 1 wherein: and the bottom of the movable frame (1) is also provided with a universal wheel (15) for adjusting the horizontal position of the calibration frame.
3. Calibration stand for a vehicle automatic driving perception element according to claim 1, characterized in that: handles (16) are arranged on the left side and the right side of the movable frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221784978.8U CN218332627U (en) | 2022-07-12 | 2022-07-12 | Calibration frame for vehicle automatic driving sensing element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221784978.8U CN218332627U (en) | 2022-07-12 | 2022-07-12 | Calibration frame for vehicle automatic driving sensing element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218332627U true CN218332627U (en) | 2023-01-17 |
Family
ID=84871361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221784978.8U Active CN218332627U (en) | 2022-07-12 | 2022-07-12 | Calibration frame for vehicle automatic driving sensing element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218332627U (en) |
-
2022
- 2022-07-12 CN CN202221784978.8U patent/CN218332627U/en active Active
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