CN215867095U - Protective device for vehicle-mounted local view field laser radar - Google Patents
Protective device for vehicle-mounted local view field laser radar Download PDFInfo
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- CN215867095U CN215867095U CN202120660911.2U CN202120660911U CN215867095U CN 215867095 U CN215867095 U CN 215867095U CN 202120660911 U CN202120660911 U CN 202120660911U CN 215867095 U CN215867095 U CN 215867095U
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- 230000001681 protective effect Effects 0.000 title claims abstract description 57
- 238000004140 cleaning Methods 0.000 claims abstract description 23
- 230000003287 optical effect Effects 0.000 claims abstract description 16
- 230000004913 activation Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000001012 protector Effects 0.000 abstract description 3
- 230000000007 visual effect Effects 0.000 abstract description 3
- 230000033001 locomotion Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model relates to a protector of on-vehicle local visual field laser radar, including first protection casing, second protection casing, clean brush, drive assembly. The cleaning brush is arranged on the inner walls of the first protective cover and the second protective cover and is in contact with the laser radar optical filter; the first protective cover and the second protective cover are arranged on the automobile body right in front of the laser radar and are used for protecting the laser radar optical filter; the driving assembly is used for controlling the first protective cover and the second protective cover to move reversely or oppositely in the horizontal direction so as to drive the cleaning brush to clean the laser radar optical filter. The utility model protects the light-transmitting sheet from being polluted when the laser radar is not used, and cleans the optical filter when the laser radar light-transmitting sheet is polluted, thereby ensuring the safety and reliability of the laser radar in the use process, improving the measurement precision and prolonging the service life of the laser radar.
Description
Technical Field
The utility model relates to a laser radar field specifically relates to a protector of on-vehicle local visual field laser radar.
Background
LiDAR (Light Detection And Ranging) is a radar system that emits laser beams to detect characteristic quantities such as shape, position, And speed of a target, And is increasingly applied to the fields of automatic driving, intelligent transportation, And intelligent manufacturing due to the advantage of environmental perception of LiDAR. In the actual use process of the laser radar, the surface of the light-transmitting sheet of the laser radar is easily polluted by dirt such as dust, silt, rain and snow, insects, bird dung and the like, the detection performance of the laser radar is influenced, and even the laser radar is caused to lose efficacy. In order to ensure and improve the reliability and safety of the laser radar, the transparent sheet of the laser radar needs to be protected to reduce pollution of pollutants, and the outer surface of the radar needs to be cleaned in time. Therefore, it is desirable to design a guard to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The purpose of this disclosure is to provide a protector of on-vehicle local visual field lidar in order to solve above-mentioned technical problem.
The technical scheme of the disclosure is as follows:
in a first aspect, the utility model provides a protective device for a vehicle-mounted local view field laser radar, which comprises a first protective cover, a second protective cover, a cleaning brush and a driving assembly, wherein the first protective cover is arranged on the first side of the vehicle-mounted local view field laser radar;
the cleaning brush is arranged on the inner walls of the first protective cover and the second protective cover and is in contact with the laser radar optical filter;
the first protective cover and the second protective cover are arranged on the automobile body right in front of the laser radar and are used for protecting the laser radar optical filter;
the driving assembly is used for controlling the first protective cover and the second protective cover to move reversely or oppositely in the horizontal direction so as to drive the cleaning brush to clean the laser radar optical filter.
Optionally, drive assembly includes linear electric motor, guide rail, stopper and installation base, linear electric motor install the guide rail on, linear electric motor connects first protection casing, the second protection casing, through linear electric motor be in the guide rail on motion control first protection casing, the second protection casing is in the horizontal direction and is reverse or move in opposite directions.
Optionally, the guide rail is a cylinder 25-50cm long and 0.3-0.7cm in diameter.
Optionally, the stopper divide into limit stopper and middle stopper, limit stopper install apart from the guide rail edge 1cm position the installation base on, be used for the restriction the marginal position of linear motor motion, middle stopper install apart from guide rail central point 2cm position the installation base on, be used for the restriction the intermediate position of linear motor motion.
Optionally, the installation base is installed on the automobile body directly over and under the laser radar and used for fixing the protective device of the vehicle-mounted local view field laser radar.
Optionally, the spacing distance between the first protective cover, the second protective cover and the laser radar optical filter is 0.2-0.4 cm; the size of the cleaning brush is 0.3-0.5 cm.
Optionally, the size of the first protective cover and the second protective cover is 7-10 cm multiplied by 7-10 cm.
The driving assembly is used for receiving the starting signal of the laser radar, controlling the first protective cover and the second protective cover to move in the reverse direction on the horizontal direction, receiving the closing signal of the laser radar, controlling the first protective cover and the second protective cover to move in the opposite direction on the horizontal direction, and controlling the first protective cover and the second protective cover to move in the reciprocating direction on the horizontal direction after receiving the cleaning signal.
Through the technical scheme, the utility model has the beneficial effects that:
according to the vehicle-mounted local view field laser radar protection device, when the laser radar is not used, the first protection cover and the second protection cover are closed to protect the laser radar optical filter from being polluted, and after a cleaning signal is received, the first protection cover and the second protection cover do reciprocating motion in the horizontal direction to clean the laser radar transparent piece through the cleaning brush, so that the safety and the reliability of the laser radar in the use process are ensured, and the measurement precision and the service life of the laser radar are improved.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
FIG. 1 is a schematic view of an overall structure of a protective device of a vehicle-mounted local view field laser radar;
FIG. 2 is a schematic view of a protective device transmission assembly of a vehicle-mounted local field-of-view lidar;
FIG. 3 is a front view of a protective device of a vehicle-mounted local field of view lidar.
Wherein the content of the first and second substances,
1. a laser radar; 11. a laser radar transparency; 2. a guard; 21. a first shield; 22. Cleaning the brush; 23. a drive assembly; 231. a linear motor; 232. a guide rail; 233. a stopper; 234. Installing a base; 24. a second shield;
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
The utility model provides a laser radar cleaning device, which is described in the following embodiments:
the protection device for the vehicle-mounted local view field lidar shown in fig. 1, 2 and 3 comprises: a first shield 21, a cleaning brush 22, a driving assembly 23, a second shield 24;
the cleaning brush 22 is arranged on the inner walls of the first protective cover 21 and the second protective cover 24 and is in contact with the laser radar optical filter 11;
the first protective cover 21 and the second protective cover 24 are arranged on the automobile body right in front of the laser radar 1 and used for protecting the laser radar optical filter 11;
the driving assembly 23 is used for controlling the first protective cover 21 and the second protective cover 24 to move in a reverse or opposite direction in the horizontal direction, so as to drive the cleaning brush 22 to clean the laser radar optical filter 11.
Alternatively, as shown in fig. 2, the driving assembly 23 includes a linear motor 231, a guide rail 232, a stopper 233, and a mounting base 234, the linear motor 231 is mounted on the guide rail 232, the linear motor 231 is connected to the first shield 21 and the second shield 24, and the first shield 21 is controlled by the movement of the linear motor 231 on the guide rail 232, and the second shield 24 moves in a reverse direction or in a facing direction in a horizontal direction.
Optionally, the guide rail 232 is a cylinder with a length of 25-50cm and a diameter of 0.3-0.7 cm. Optionally, the rail is a cylinder 35cm long and 0.5cm in diameter.
Optionally, the stopper 233 is divided into an edge stopper installed on the installation base 234 at a position 1cm from the edge of the guide rail 232 for limiting the edge position of the linear motor 231 in motion, and a middle stopper installed on the installation base 234 at a position 2cm from the center point of the guide rail 232 for limiting the middle position of the linear motor 231 in motion.
Optionally, the mounting base 234 is mounted on the vehicle body directly above and below the laser radar 1, and is used for fixing the protection device 2 of the vehicle-mounted local view field laser radar.
Optionally, the distance between the first protective cover 21 and the laser radar filter 11 and the distance between the second protective cover 24 and the laser radar filter 11 are 0.2-0.4 cm; the size of the cleaning brush 22 is 0.3-0.5 cm.
Optionally, the size of the first protective cover 21 and the second protective cover 24 is 7-10 cm × 7-10 cm.
The driving assembly 23 is used for receiving the starting signal of the laser radar 1, controlling the first protective cover 21 and the second protective cover 21 to move in the opposite direction in the horizontal direction, receiving the closing signal of the laser radar 1, controlling the first protective cover 21 and the second protective cover 24 to move in the opposite direction in the horizontal direction, and controlling the first protective cover 21 and the second protective cover 24 to move in the reciprocating direction in the horizontal direction after receiving the cleaning signal.
As shown in fig. 1 and 3, when the laser radar 1 of the protection device 2 for a vehicle-mounted local field of view laser radar of the present invention is not in use, the first protection cover 21 and the second protection cover 24 are closed to protect the laser radar optical filter 11 from contamination, and after receiving a cleaning signal, the first protection cover 21 and the second protection cover 24 reciprocate in the horizontal direction to clean the laser radar transparent sheet 11 through the cleaning brush 22, so that the safety and reliability of the laser radar 1 in use are ensured, and the measurement accuracy and the service life of the laser radar 1 are improved.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the utility model. In order to avoid unnecessary repetition, various possible combinations will not be separately described in this disclosure.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (8)
1. A protective device of a vehicle-mounted local view field laser radar is characterized by comprising a first protective cover, a second protective cover, a cleaning brush and a driving assembly,
the cleaning brush is arranged on the inner walls of the first protective cover and the second protective cover and is in contact with the laser radar optical filter;
the first protective cover and the second protective cover are arranged on the automobile body right in front of the laser radar and are used for protecting the laser radar optical filter;
the driving assembly is used for controlling the first protective cover and the second protective cover to move reversely or oppositely in the horizontal direction so as to drive the cleaning brush to clean the laser radar optical filter.
2. The protection device of claim 1, wherein the driving assembly comprises a linear motor, a guide rail, a stopper and a mounting base, the linear motor is mounted on the guide rail, the linear motor is connected with the first protection cover and the second protection cover, the linear motor moves on the guide rail to control the first protection cover, and the second protection cover moves in a reverse direction or in a direction opposite to the horizontal direction.
3. The vehicle-mounted local-field lidar protection device according to claim 2, wherein the guide rail is a cylinder 25-50cm long and 0.3-0.7cm in diameter.
4. The apparatus as claimed in claim 2, wherein the stopper is divided into an edge stopper and a middle stopper, the edge stopper is mounted on the mounting base at a position 1cm from the edge of the guide rail for limiting the edge position of the linear motor, and the middle stopper is mounted on the mounting base at a position 2cm from the center point of the guide rail for limiting the middle position of the linear motor.
5. The vehicle-mounted laser radar protection device with the local view field according to claim 2, wherein the mounting base is mounted on a vehicle body directly above and below the laser radar and used for fixing the vehicle-mounted laser radar protection device with the local view field.
6. The protection device for the vehicle-mounted local view field laser radar according to claim 1, wherein the first protection cover, the second protection cover and the laser radar filter are spaced by 0.2-0.4 cm; the size of the cleaning brush is 0.3-0.5 cm.
7. The vehicle-mounted protection device for the local view lidar according to claim 1, wherein the first protection cover and the second protection cover have a size of 7-10 cm x 7-10 cm.
8. The vehicle-mounted protection device for the local field of view lidar according to any of claims 1-7, wherein the driving assembly is configured to control the first protection cover and the second protection cover to move in opposite directions in a horizontal direction after receiving an activation signal of the lidar, control the first protection cover and the second protection cover to move in opposite directions in the horizontal direction after receiving a shutdown signal of the lidar, and control the first protection cover and the second protection cover to reciprocate in the horizontal direction after receiving a cleaning signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120660911.2U CN215867095U (en) | 2021-03-31 | 2021-03-31 | Protective device for vehicle-mounted local view field laser radar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120660911.2U CN215867095U (en) | 2021-03-31 | 2021-03-31 | Protective device for vehicle-mounted local view field laser radar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215867095U true CN215867095U (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120660911.2U Active CN215867095U (en) | 2021-03-31 | 2021-03-31 | Protective device for vehicle-mounted local view field laser radar |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115780345A (en) * | 2022-09-22 | 2023-03-14 | 保定市天河电子技术有限公司 | Distributed laser radar dirty state sensing and comprehensive cleaning implementation method and system |
| CN115902828A (en) * | 2022-11-08 | 2023-04-04 | 武汉新烽光电股份有限公司 | Combined laser radar device with strong anti-interference performance |
| CN116559840A (en) * | 2023-07-07 | 2023-08-08 | 禾多科技（北京）有限公司 | Laser radar cleaning protection device and laser radar cleaning information generation method |
-
2021
- 2021-03-31 CN CN202120660911.2U patent/CN215867095U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115780345A (en) * | 2022-09-22 | 2023-03-14 | 保定市天河电子技术有限公司 | Distributed laser radar dirty state sensing and comprehensive cleaning implementation method and system |
| CN115902828A (en) * | 2022-11-08 | 2023-04-04 | 武汉新烽光电股份有限公司 | Combined laser radar device with strong anti-interference performance |
| CN116559840A (en) * | 2023-07-07 | 2023-08-08 | 禾多科技（北京）有限公司 | Laser radar cleaning protection device and laser radar cleaning information generation method |
| CN116559840B (en) * | 2023-07-07 | 2023-10-13 | 禾多科技（北京）有限公司 | Laser radar cleaning protection device and laser radar cleaning information generation method |
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Effective date of registration: 20231205 Address after: 430200, 7th floor, Building 3, Phase II, Modern Service Industry Demonstration Base, Huazhong University of Science and Technology Science Park, Guandong Street, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee after: Wuhan Wanji Photoelectric Technology Co.,Ltd. Address before: Wanji space, building 12, Zhongguancun Software Park, yard 8, Dongbei Wangxi Road, Haidian District, Beijing 100193 Patentee before: BEIJING WANJI TECHNOLOGY Co.,Ltd. |