Front laser radar support

Abstract

The utility model discloses a front laser radar support which comprises a support body, and the support body is integrally of an L-shaped structure and is provided with a laser radar assembling face, a cab assembling face, a radar cleaning device assembling face and a radar cover assembling face. The cab assembling face is arranged in the middle of the back side face of the vertical plate of the L-shaped structure and used for being assembled with a cab, the laser radar assembling face is arranged on the lower portion of the inner side face of the vertical plate of the L-shaped structure and used for being assembled with a laser radar, and the radar cleaning device assembling face is arranged on the flat plate of the L-shaped structure and used for being assembled with a radar cleaning device. The radome cover assembling face is arranged on the top face of the L-shaped structure vertical plate and used for being assembled with a radome cover. According to the utility model, the flatness of the assembly surface is ensured, the detection precision of the laser radar can be ensured, and the problem that the radar precision is damaged due to the unstable installation surface of the existing laser radar support is solved.

Description

Technical Field

[0001] The utility model relates to a front laser radar bracket for an intelligent heavy-duty commercial vehicle, belonging to the technical field of automobile accessories. Background Art

[0002] The automobile industry is in an era of change, and the development and application of autonomous driving related technologies are in full swing. For commercial vehicles, we should also seize the opportunity to build intelligent commercial vehicles with autonomous driving functions. The front laser radar is an important part of the intelligent driving assistance system. It can accurately perceive the three-dimensional information of the surrounding environment, and the detection accuracy is within the centimeter level. Therefore, the laser radar can accurately identify the specific outline and distance of obstacles, and will not miss or misjudge obstacles in front. The premise for the laser radar to achieve the above functions is that the installation of the laser radar must ensure the detection accuracy of the laser radar, and the design of the radar bracket has the greatest impact on the accuracy. The existing laser radar brackets are mostly made by welding technology. The uneven assembly surface of the bracket and the radar impairs the accuracy of the radar, making it difficult to achieve its due functions, which seriously affects the reliability of the intelligent driving assistance system. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a front laser radar bracket in view of the defects existing in the prior art, so as to solve the problem that the mounting surface of the existing laser radar bracket is unstable, resulting in impaired radar accuracy, and improve the detection accuracy of the laser radar.

[0004] In order to solve this technical problem, the utility model provides a front laser radar bracket, including a bracket body, the bracket body is an L-shaped structure as a whole, and is provided with a laser radar assembly surface, a cab assembly surface, a radar cleaning device assembly surface and a radar cover assembly surface; the cab assembly surface is arranged in the middle of the back side surface of the L-shaped structure vertical plate, the laser radar assembly surface is arranged at the lower part of the inner side surface of the L-shaped structure vertical plate, the radar cleaning device assembly surface is arranged on the L-shaped structure flat plate, and the radar cover assembly surface is arranged on the top surface of the L-shaped structure vertical plate; the laser radar assembly surface is provided with a laser radar assembly point 1, a laser radar assembly point 2, a laser radar assembly point 3 and a laser radar assembly point The four assembly points of cab assembly point four are used for assembly with the laser radar; the cab assembly surface is provided with four assembly points of cab assembly point one, cab assembly point two, cab assembly point three and cab assembly point four, which are used for assembly with the cab; the radar cleaning device assembly surface is provided with four assembly points of radar cleaning device assembly point one, radar cleaning device assembly point two, radar cleaning device assembly point three and radar cleaning device assembly point four, which are used for assembly with the radar cleaning device; the radar cover assembly surface is provided with four assembly points of radar cover assembly point one, radar cover assembly point two, radar cover assembly point three and radar cover assembly point four, which are used for assembly with the radar cover.

[0005] The laser radar assembly surface is in an L-shaped structure and is provided with a vertical plate and a flat plate; the laser radar assembly point one, the laser radar assembly point two, the laser radar assembly point three and the laser radar assembly point four are all bent parts with mounting holes provided thereon; the laser radar assembly point one and the laser radar assembly point two are symmetrically arranged in the middle of the inner side of the vertical plate, and the laser radar assembly point three and the laser radar assembly point four are symmetrically arranged on both sides of the flat plate; the detection accuracy of the laser radar is guaranteed, so that the angle error of the laser radar in three-dimensional space is controlled within 2°, and the position error is controlled within 1 cm.

[0006] The cab assembly surface is L-shaped and is provided with a vertical plate and a flat plate; the cab assembly point one and the cab assembly point two are symmetrically arranged in the middle of the vertical plate, and the cab assembly point three and the cab assembly point four are symmetrically arranged at the bottom of the vertical plate; the cab assembly point one, the cab assembly point two, the cab assembly point three and the cab assembly point four are assembled with the cab through a gasket with a thickness of 2.5 mm, which can effectively prevent the bracket from loosening and ensure the accuracy of detection by the assisted driving system.

[0007] The radar cover assembly point one and the radar cover assembly point two are symmetrically arranged on the top of the radar cover assembly surface and assembled with the upper inner surface of the radar cover. The radar cover assembly point three and the radar cover assembly point four are bending structures, which are symmetrically arranged on both sides of the top and bottom of the radar cover assembly surface and assembled with the lower inner surface of the radar cover. The cover can protect the overall safety of the front laser radar.

[0008] The assembly surface of the radar cleaning device is an L-shaped structure, and is provided with a vertical plate and a flat plate; the radar cleaning device assembly point one, the radar cleaning device assembly point two, the radar cleaning device assembly point three and the radar cleaning device assembly point four are all bent parts, which are symmetrically arranged on both sides of the flat plate; the laser radar cleaning device is installed above the laser radar, and is connected to the bracket through four assembly points: the radar cleaning device assembly point one, the radar cleaning device assembly point two, the radar cleaning device assembly point three and the radar cleaning device assembly point four. The cleaning device can clean the laser radar.

[0009] The support body is cast by a stamping process.

[0010] Beneficial effects: The assembly surface of the laser radar of the utility model is processed by a special bending process to ensure the flatness of the assembly surface, so that the angle error of the laser radar in three-dimensional space is controlled within 2°, and the position error is controlled within 1cm, which can ensure the detection accuracy of the laser radar; the assembly surface of the cab, the assembly surface of the radar cleaning device and the assembly surface of the radar cover of the utility model all contain four assembly points, which can effectively prevent loosening, increase the stability of the bracket, and further improve the detection accuracy of the laser radar; each assembly point of the cab assembly surface of the utility model is tightly fitted with the cab through a gasket with a thickness of 2.5mm, which can effectively prevent loosening, help increase the stability of the bracket, and further improve the detection accuracy of the laser radar. The utility model can control the angle error of the laser radar in three-dimensional space within 2°, and the position error within 1cm, effectively improving the detection accuracy of the laser radar, and solving the problem that the existing laser radar bracket installation surface is unstable, resulting in impaired radar accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the structure of the laser radar assembly surface of the utility model;

[0013] Figure 3 It is a structural schematic diagram of the assembly surface of the cab of the utility model;

[0014] Figure 4 This is a schematic diagram of the structure of the assembly surface of the laser radar cover of the utility model;

[0015] Figure 5 It is a structural schematic diagram of the assembly surface of the radar cleaning device of the utility model.

[0016] In the figure: 1. Laser radar assembly surface; 2. Cab assembly surface; 3. Radar cover assembly surface; 4. Radar cleaning device assembly surface; 101. Laser radar assembly point one; 102. Laser radar assembly point two; 103. Laser radar assembly point three; 104. Laser radar assembly point four; 201. Cab assembly point one; 202. Cab assembly point two; 203. Cab assembly point three; 204. Cab assembly point four; 301. Radar cover assembly point one; 302. Radar cover assembly point two; 303. Radar cover assembly point three; 304. Radar cover assembly point four; 401. Radar cleaning device assembly point one; 402. Radar cleaning device assembly point two; 403. Radar cleaning device assembly point three; 404. Radar cleaning device assembly point four. DETAILED DESCRIPTION

[0017] The utility model is described in detail below in conjunction with the accompanying drawings and embodiments.

[0018] like Figure 1-Figure 5 As shown, the utility model provides a front laser radar bracket, including a bracket body, the bracket body is an L-shaped structure as a whole, and is provided with a laser radar assembly surface 1, a cab assembly surface 2, a radar cleaning device assembly surface 4 and a radar cover assembly surface 3; the cab assembly surface 2 is arranged in the middle of the back side of the L-shaped structure vertical plate, the laser radar assembly surface 1 is arranged at the lower part of the inner side of the L-shaped structure vertical plate, the radar cleaning device assembly surface 4 is arranged on the L-shaped structure flat plate, and the radar cover assembly surface 3 is arranged on the top surface of the L-shaped structure vertical plate; the laser radar assembly surface 1 is provided with four assembly points of laser radar assembly point 1 101, laser radar assembly point 2 102, laser radar assembly point 3 103 and laser radar assembly point 4 104, which are used to The laser radar is assembled; the cab assembly surface 2 is provided with four assembly points of cab assembly point 1 201, cab assembly point 202, cab assembly point 3 203 and cab assembly point 4 204, which are used for assembly with the cab; the radar cleaning device assembly surface 4 is provided with four assembly points of radar cleaning device assembly point 1 401, radar cleaning device assembly point 2 402, radar cleaning device assembly point 3 403 and radar cleaning device assembly point 4 404, which are used for assembly with the radar cleaning device; the radar cover assembly surface 3 is provided with four assembly points of radar cover assembly point 1 301, radar cover assembly point 2 302, radar cover assembly point 3 303 and radar cover assembly point 4 304, which are used for assembly with the radar cover.

[0019] The laser radar assembly surface 1 is in an L-shaped structure and is provided with a vertical plate and a flat plate; the laser radar assembly point 1 101, the laser radar assembly point 2 102, the laser radar assembly point 3 103 and the laser radar assembly point 4 104 are all bent parts, which are processed by a bending process and are provided with mounting holes; the laser radar assembly point 1 101 and the laser radar assembly point 2 102 are symmetrically arranged in the middle of the inner side of the vertical plate, and the laser radar assembly point 3 103 and the laser radar assembly point 4 104 are symmetrically arranged on both sides of the flat plate; the detection accuracy of the laser radar is guaranteed, so that the angle error of the laser radar in three-dimensional space is controlled within 2°, and the position error is controlled within 1 cm.

[0020] The cab assembly surface 2 is in an L-shaped structure and is provided with a vertical plate and a flat plate; the cab assembly point 1 201 and the cab assembly point 2 202 are symmetrically arranged in the middle of the vertical plate, and the cab assembly point 3 203 and the cab assembly point 4 204 are symmetrically arranged at the bottom of the vertical plate; the cab assembly point 1 201, the cab assembly point 202, the cab assembly point 3 203 and the cab assembly point 4 204 are assembled with the cab through a gasket with a thickness of 2.5 mm, which can effectively prevent the bracket from loosening, improve the overall stability of the front laser radar, further improve the detection accuracy of the radar, and ensure the accuracy of detection by the assisted driving system.

[0021] The radar cover assembly point one 301 and the radar cover assembly point two 302 are symmetrically arranged on the top of the radar cover assembly surface 3 and assembled with the upper inner surface of the radar cover. The radar cover assembly point three 303 and the radar cover assembly point four 304 are bent structures, which are symmetrically arranged on both sides of the top and bottom of the radar cover assembly surface 3 and assembled with the lower inner surface of the radar cover. The cover can protect the overall safety of the front laser radar, reduce the external intrusion on the laser radar, further improve the accuracy of the laser radar, and extend its service life.

[0022] The radar cleaning device assembly surface 4 is in an L-shaped structure and is provided with a vertical plate and a flat plate; the radar cleaning device assembly point 1 401, the radar cleaning device assembly point 2 402, the radar cleaning device assembly point 3 403 and the radar cleaning device assembly point 4 404 are all bent parts, which are symmetrically arranged on both sides of the flat plate; the laser radar cleaning device is installed above the laser radar and is connected to the bracket through four assembly points: the radar cleaning device assembly point 1 401, the radar cleaning device assembly point 2 402, the radar cleaning device assembly point 3 403 and the radar cleaning device assembly point 4 404. The cleaning device can clean the laser radar to prevent the radar from being contaminated and causing a decrease in accuracy.

[0023] The bracket body is made by casting through a stamping process, thereby ensuring the detection accuracy of the laser radar.

[0024] The structural optimization design of the bracket and the radar assembly surface of the utility model can make it fit tightly with the radar, especially the two assembly support points formed by bending, which can better ensure the accuracy of the laser radar compared with the welding method, and can control the angle error of the laser radar in three-dimensional space within 2°, and the position error within 1cm; the cab assembly surface of the bracket includes four assembly points, each of which is tightly fitted with the cab through a 2.5mm gasket, which can effectively prevent loosening, further ensure the detection accuracy of the front laser radar, and improve the accuracy of the laser radar data collection; the laser radar cleaning device can clean the laser radar to avoid the radar from being contaminated and causing a decrease in accuracy; the radar cover reduces the external intrusion on the laser radar, further improves the accuracy of the laser radar, and extends its service life. The utility model has a simple structure, and each assembly surface can make all components firmly installed on the bracket body, so that the front laser radar can better complete the detection work and improve the detection accuracy of the laser radar.

[0025] The above embodiments of the present invention are merely illustrative and not exclusive, and all modifications within the scope of the present invention or equivalent to the scope of the present invention are encompassed by the present invention.

Claims

1. A front laser radar bracket, characterized in that: The invention comprises a support body, wherein the support body is in an L-shaped structure as a whole and is provided with a laser radar assembly surface (1), a cab assembly surface (2), a radar cleaning device assembly surface (4) and a radar cover assembly surface (3); the cab assembly surface (2) is arranged in the middle of the back side surface of the L-shaped structure vertical plate, the laser radar assembly surface (1) is arranged at the lower part of the inner side surface of the L-shaped structure vertical plate, the radar cleaning device assembly surface (4) is arranged on the L-shaped structure flat plate, and the radar cover assembly surface (3) is arranged on the top surface of the L-shaped structure vertical plate; the laser radar assembly surface (1) is provided with four assembly points, namely, a laser radar assembly point 1 (101), a laser radar assembly point 2 (102), a laser radar assembly point 3 (103) and a laser radar assembly point 4 (104), for assembly with the laser radar; the driving cab assembly surface (2) is arranged in the middle of the back side surface of the L-shaped structure vertical plate, the laser radar assembly surface (1) is arranged at the lower part of the inner side surface of the L-shaped structure vertical plate, the radar cleaning device assembly surface (4) is arranged on the L-shaped structure flat plate, and the radar cover assembly surface (3) is arranged on the top surface of the L-shaped structure vertical plate; the laser radar assembly surface (1) is provided with four assembly points, namely, a laser radar assembly point 1 (101), a laser radar assembly point 2 (102), a laser radar assembly point 3 (103) and a laser radar assembly point 4 (104), for assembly with the laser radar; The cab assembly surface (2) is provided with four assembly points, namely, cab assembly point 1 (201), cab assembly point 2 (202), cab assembly point 3 (203) and cab assembly point 4 (204), for assembly with the cab; the radar cleaning device assembly surface (4) is provided with four assembly points, namely, radar cleaning device assembly point 1 (401), radar cleaning device assembly point 2 (402), radar cleaning device assembly point 3 (403) and radar cleaning device assembly point 4 (404), for assembly with the radar cleaning device; the radar cover assembly surface (3) is provided with four assembly points, namely, radar cover assembly point 1 (301), radar cover assembly point 2 (302), radar cover assembly point 3 (303) and radar cover assembly point 4 (304), for assembly with the radar cover.

2. The front laser radar bracket according to claim 1, characterized in that: The laser radar assembly surface (1) is in an L-shaped structure and is provided with a vertical plate and a flat plate; the laser radar assembly point one (101), the laser radar assembly point two (102), the laser radar assembly point three (103) and the laser radar assembly point four (104) are all bent parts, and are provided with mounting holes; the laser radar assembly point one (101) and the laser radar assembly point two (102) are symmetrically arranged in the middle of the inner side of the vertical plate, and the laser radar assembly point three (103) and the laser radar assembly point four (104) are symmetrically arranged on both sides of the flat plate; the detection accuracy of the laser radar is guaranteed, so that the angle error of the laser radar in three-dimensional space is controlled within 2°, and the position error is controlled within 1 cm.

3. The front laser radar bracket according to claim 1, characterized in that: The cab assembly surface (2) is in an L-shaped structure and is provided with a vertical plate and a flat plate; the cab assembly point one (201) and the cab assembly point two (202) are symmetrically arranged in the middle of the vertical plate, and the cab assembly point three (203) and the cab assembly point four (204) are symmetrically arranged at the bottom of the vertical plate; the cab assembly point one (201), the cab assembly point two (202), the cab assembly point three (203) and the cab assembly point four (204) are assembled with the cab via a gasket with a thickness of 2.5 mm, which can effectively prevent the bracket from loosening and ensure the accuracy of the detection of the auxiliary driving system.

4. The front laser radar bracket according to claim 1, characterized in that: The radar cover assembly point one (301) and the radar cover assembly point two (302) are symmetrically arranged on the top of the radar cover assembly surface (3) and assembled with the upper inner surface of the radar cover. The radar cover assembly point three (303) and the radar cover assembly point four (304) are bent structures, symmetrically arranged on both sides of the top and bottom of the radar cover assembly surface (3) and assembled with the lower inner surface of the radar cover. The cover can protect the overall safety of the front laser radar.

5. The front laser radar bracket according to claim 1, characterized in that: The radar cleaning device assembly surface (4) is in an L-shaped structure and is provided with a vertical plate and a flat plate; the radar cleaning device assembly point one (401), the radar cleaning device assembly point two (402), the radar cleaning device assembly point three (403) and the radar cleaning device assembly point four (404) are all bent parts and are symmetrically arranged on both sides of the flat plate; the laser radar cleaning device is installed above the laser radar and is connected to the bracket through the four assembly points of the radar cleaning device assembly point one (401), the radar cleaning device assembly point two (402), the radar cleaning device assembly point three (403) and the radar cleaning device assembly point four (404), and the cleaning device can clean the laser radar.

6. The front laser radar bracket according to any one of claims 1 to 5, characterized in that: The support body is cast by a stamping process.

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