A lidar measuring device for distance finding

Abstract

The utility model discloses a kind of laser radar measuring devices for ranging, including top cover and measurement structure, top cover is fixed on the measurement structure, measurement structure includes laser radar, light-shielding protection structure, base, first tooth disc and stepper motor, drive tooth disc is set on stepper motor, drive tooth disc is meshed with first tooth disc, control laser radar rotation, laser radar is supported by light-shielding protection structure limiting, the lower end of light-shielding protection structure is fixedly connected with base;Light-shielding protection structure is used for regulation and control processing, carries out light-shielding protection, miniature motor rotates by second tooth disc, second tooth disc is meshed with tooth block, and tooth block controls the sliding adjustment of light reduction piece on shell frame.The utility model discloses a kind of laser radar measuring devices for ranging, by the setting of structure, the purpose of laser radar measurement protection is realized.

Description

Technical Field

[0001] This utility model relates to the field of lidar measurement equipment technology, specifically a lidar measurement device for ranging. Background Technology

[0002] LiDAR detects targets by emitting laser beams and measuring parameters such as the arrival time and beam direction of the reflected laser signals to determine the target's position, velocity, and other characteristics. Its operation is based on the emission, reflection, and reception of lasers, and it obtains detailed information about the target by comparing the emitted and received signals.

[0003] However, current lidar measurement devices used for distance measurement have the following problems: they are not easy to protect against light pollution. To address light pollution issues, lidar protection is required so that the lidar can measure distance more clearly. Utility Model Content

[0004] The purpose of this invention is to provide a lidar measuring device for ranging, in order to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a lidar measuring device for ranging, comprising a top cover and a measuring structure, wherein the top cover is fixedly mounted on the measuring structure, and the measuring structure includes a lidar, a light-shielding protection structure, a base, a first gear plate and a stepper motor, wherein a drive gear plate is mounted on the stepper motor, and the drive gear plate meshes with the first gear plate to control the rotation of the lidar, and the lidar is limited and supported by the light-shielding protection structure, wherein the lower end of the light-shielding protection structure is fixedly connected to the base; The light-shielding protection structure is used for control processing and light-shielding protection. The micro motor rotates through the second gear disk, which meshes with the gear block. The gear block controls the light-reducing sheet to slide and adjust on the shell.

[0006] Specifically, the light-shielding protection structure includes a light-reducing plate, a housing, a micro motor, a second toothed disc, a toothed block, and a tray. The housing is fixedly connected to the tray, and the light-reducing plate is slidably connected to the housing.

[0007] Specifically, the lower end of the light-reducing filter is fixedly connected to a toothed block, and the housing is provided with a groove for the toothed block to move.

[0008] Specifically, a micro motor is fixedly connected to the frame, and a second toothed disc is driven and connected to the micro motor. The second toothed disc meshes with the toothed block.

[0009] Specifically, the light-reducing filter is used to block light from the lidar by extending and retracting; the light-reducing filter is a UV filter.

[0010] Specifically, the base is fixed to the lower end of the tray, and the micro motor is controlled by an external controller.

[0011] Compared with the prior art, the beneficial effects of this utility model are: 1. By installing a top cover and a measuring structure, the measuring structure is located at the top of the lidar and can rotate with the lidar. The stepper motor inside the top cover can drive the drive gear to rotate. The drive gear meshes with the first gear and can control the lidar to rotate. The base provides bottom support for the light-shielding protection structure. The lidar performs ranging work by rotating.

[0012] Second, by installing a light-shielding protection structure, the tray is fixed to the shell frame for support. The micro motor can control the rotation of the second toothed disc, which meshes with the toothed block and can control the displacement of the toothed block, so that the toothed block drives the light-reducing filter to move. The light-reducing filter can perform light-shielding protection for the lidar without affecting the normal operation of the lidar. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the main structure of the present utility model; Figure 2 This is a perspective view of the measuring structure of this utility model; Figure 3 This is an exploded view of the light-shielding protection structure of this utility model.

[0014] In the diagram: 1-Top cover; 2-Measuring structure; 3-LiDAR; 4-Light shielding structure; 5-Base; 6-First gear plate; 7-Stepper motor; 8-Light reducing filter; 9-Shell frame; 10-Micro motor; 11-Second gear plate; 12-Gear block; 13-Tray. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Please see Figure 1-3This utility model provides a technical solution: a lidar measuring device for ranging, including a top cover 1 and a measuring structure 2. The top cover 1 is fixedly mounted on the measuring structure 2. The measuring structure 2 includes a lidar 3, a light-shielding protection structure 4, a base 5, a first gear plate 6, and a stepper motor 7. A drive gear plate is mounted on the stepper motor 7. The drive gear plate meshes with the first gear plate 6 to control the rotation of the lidar 3. The lidar 3 is limited and supported by the light-shielding protection structure 4. The base 5 is fixedly connected to the lower end of the light-shielding protection structure 4. By installing the top cover 1 and the measuring structure 2, the measuring structure 2 is located on the upper end of the lidar 3 and can rotate with the lidar 3. The stepper motor 7 at the inner end of the top cover 1 can drive the drive gear plate to rotate. The drive gear plate meshes with the first gear plate 6 and can control the rotation of the lidar 3. The base 5 supports the bottom of the light-shielding protection structure 4. The lidar 3 performs ranging work by rotating. The light-shielding protection structure 4 is used for control processing and light-shielding protection. The micro motor 10 rotates through the second gear disk 11, and the second gear disk 11 meshes with the gear block 12. The gear block 12 controls the light-reducing sheet 8 to slide and adjust on the housing 9.

[0017] The light-shielding protection structure 4 includes a light-reducing plate 8, a housing 9, a micro motor 10, a second gear disk 11, a toothed block 12, and a tray 13. The housing 9 is fixedly connected to the tray 13, and the light-reducing plate 8 is slidably connected to the housing 9. By installing the light-shielding protection structure 4, the tray 13 is fixed to the housing 9 for support. The micro motor 10 can control the rotation of the second gear disk 11. The second gear disk 11 meshes with the toothed block 12 and can control the displacement of the toothed block 12, so that the toothed block 12 drives the light-reducing plate 8 to move. The light-reducing plate 8 can perform light-shielding protection for the lidar 3 without affecting the normal operation of the lidar 3.

[0018] The lower end of the neutral density filter 8 is fixedly connected to a toothed block 12, and the housing 9 is provided with a groove for the toothed block 12 to move.

[0019] A micro motor 10 is fixedly connected to the housing 9, and a second gear disk 11 is driven and connected to the micro motor 10. The second gear disk 11 is meshed with the gear block 12.

[0020] The light-reducing filter 8 blocks light from the lidar 3 by extending and retracting; the light-reducing filter 8 is a UV filter.

[0021] The base 5 is fixed to the lower end of the tray 13, and the micro motor 10 is controlled by an external controller.

[0022] Working principle: When needed, the user installs the top cover 1 and measuring structure 2 in a fixed position. The measuring structure 2 is located on the upper end of the lidar 3 and can rotate with the lidar 3. The stepper motor 7 inside the top cover 1 can drive the drive gear plate to rotate. The drive gear plate meshes with the first gear plate 6 and can control the rotation of the lidar 3. The base 5 supports the bottom of the light-shielding protection structure 4. The lidar 3 performs distance measurement by rotating. By installing the light-shielding protection structure 4, the tray 13 is fixed to the shell 9 for support. The micro motor 10 can control the rotation of the second gear plate 11. The second gear plate 11 meshes with the tooth block 12 and can control the displacement of the tooth block 12, so that the tooth block 12 drives the light-reducing filter 8 to move. The light-reducing filter 8 can perform light-shielding protection for the lidar 3 without affecting the normal operation of the lidar 3, thus completing the work.

[0023] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A lidar measuring device for ranging, characterized by: The device includes a top cover (1) and a measuring structure (2). The top cover (1) is fixedly mounted on the measuring structure (2). The measuring structure (2) includes a laser radar (3), a light-shielding protection structure (4), a base (5), a first gear plate (6), and a stepper motor (7). A drive gear plate is mounted on the stepper motor (7). The drive gear plate meshes with the first gear plate (6) to control the rotation of the laser radar (3). The laser radar (3) is limited and supported by the light-shielding protection structure (4). The base (5) is fixedly connected to the lower end of the light-shielding protection structure (4). The light-shielding protection structure (4) is used for regulation and processing to provide light protection. The micro motor (10) rotates through the second toothed disc (11). The second toothed disc (11) meshes with the toothed block (12). The toothed block (12) controls the light-reducing sheet (8) to slide and adjust on the shell frame (9).

2. A lidar measuring device for range finding according to claim 1, characterized in that: The light-shielding protection structure (4) includes a light-reducing plate (8), a frame (9), a micro motor (10), a second toothed disc (11), a toothed block (12), and a tray (13). The frame (9) is fixedly connected to the tray (13), and the light-reducing plate (8) is slidably connected to the frame (9).

3. A lidar measuring device for range finding according to claim 2, characterized in that: The lower end of the light-reducing sheet (8) is fixedly connected to a toothed block (12), and the shell frame (9) is provided with a groove for the toothed block (12) to move.

4. A lidar measuring device for range finding according to claim 3, characterized in that: A micro motor (10) is fixedly connected to the frame (9), and a second toothed disc (11) is driven and connected to the micro motor (10). The second toothed disc (11) is meshed with the toothed block (12).

5. A lidar measuring device for range finding according to claim 4, characterized in that: The light-reducing filter (8) is used to block light from the lidar (3) by extending and retracting. The light-reducing filter (8) is a UV filter.

6. A lidar measuring device for range finding according to claim 5, characterized in that: The base (5) is fixed to the lower end of the tray (13), and the micro motor (10) is controlled by an external controller.

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