CN210775843U

CN210775843U - Laser radar sensor

Info

Publication number: CN210775843U
Application number: CN201921454673.9U
Authority: CN
Inventors: 欧阳群
Original assignee: Shenzhen Shengda Intelligent Equipment Co ltd
Current assignee: Shenzhen Shengda Intelligent Equipment Co ltd
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-06-16
Anticipated expiration: 2029-09-03

Abstract

The utility model relates to a laser radar technical field specifically is a laser radar sensor, including the mounting panel, the fixedly connected with transmission cylinder of center department of mounting panel top surface, the center department of transmission cylinder inner wall bottom surface rotates and is connected with the pivot, the first gear of one side fixedly connected with of pivot, the fixedly connected with bearing of center department of transmission cylinder top surface, the seat is rotated to the inner circle fixedly connected with of bearing. This laser radar sensor, through having set up clear glass cover and protecting crust, and the inner wall fixedly connected with clearance brush of protecting crust, clear glass cover is the pipe form simultaneously, the outer wall and the clearance brush of clear glass cover contact completely, make the protecting crust rotate when making optical assembly during operation change the angle at every turn, thereby drive the outer wall rotation clearance of clearance brush around clear glass cover, can accomplish the work of clearance clear glass cover dust automatically in work, make clear glass cover be convenient for clear up, reach the purpose that improves sensitivity.

Description

Laser radar sensor

Technical Field

The utility model relates to a laser radar technical field specifically is a laser radar sensor.

Background

With the continuous progress of the artificial intelligence technology, the research of unmanned automobiles is developed in the field of vehicles at present, and specific products enter the phase of decoration, so that the unmanned automobiles are greatly convenient for people to travel in the future. The main hardware facilities of unmanned vehicle perception road conditions is the lidar sensor, and the lidar sensor relies on to examine lidar and sends the laser beam to the object on to rely on the reverberation of photoelectric sensor perception object to judge the distance, artificial intelligence system can come control vehicle according to distance information and remove, therefore the lidar sensor is very important to unmanned vehicle, but the lidar sensor that uses still has following some problems at present:

(1) most of the existing laser radar sensors are surrounded by a protective shell, then through holes are formed in a laser beam emitting position and a photoelectric sensor receiving position corresponding to the protective shell, and transparent glass is installed for protection, but most of the laser radar sensors are directly installed on a vehicle body, so that the surface of the transparent glass is stained with dust after long-time use, the sensitivity of the laser radar sensors is affected, and even an unmanned vehicle makes wrong judgment, and a traffic accident occurs;

(2) the existing laser radar sensor only depends on the plastic shell to protect the internal optical component, although the plastic shell can resist certain impact force, the vibration caused by external impact cannot be weakened, and the strong vibration can damage the precise optical component and influence the service life of the precise optical component.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a laser radar sensor through having set up transparent glass cover and protecting crust, can realize automatic clearance dust, and the rethread has set up fixed plate and square slide opening, can reduce the vibrations of external shock, has solved the problem of proposing among the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a laser radar sensor comprises a mounting plate, wherein a transmission cylinder is fixedly connected at the center of the top surface of the mounting plate, a rotating shaft is rotatably connected at the center of the bottom surface of the inner wall of the transmission cylinder, a first gear is fixedly connected at one side of the rotating shaft, a bearing is fixedly connected at the center of the top surface of the transmission cylinder, a rotating seat is fixedly connected with the inner ring of the bearing, the center of the bottom surface of the rotating seat is fixedly connected with one end of the rotating shaft, which is close to the first gear, a transparent glass cover is fixedly connected at the edge of the top surface of the transmission cylinder, fixed plates are fixedly connected at both sides of the top surface of the rotating seat, an optical component is fixedly connected at one side of the fixed plates, a buffer head is arranged at the top of the optical component, square sliding holes are formed at both sides of the bottom surface of the buffer head, the positions of the square, the inside of square slide opening is provided with damping spring, the edge fixedly connected with protecting crust of buffering head bottom surface, the inner wall fixedly connected with clearance brush of protecting crust, the groove of lining up has been seted up to one side of protecting crust.

Optionally, one side fixedly connected with stationary blade on transmission section of thick bamboo inner wall ground, the inside fixedly connected with micro motor of stationary blade, micro motor's output fixedly connected with second gear.

Optionally, the position of the second gear corresponds to the position of the first gear, the second gear is meshed with the first gear, and the diameter of the second gear is smaller than that of the first gear.

Optionally, the transparent glass cover is in a shape of a circular tube, the diameter of the transparent glass cover is equal to that of the transmission cylinder, and the outer wall of the transparent glass cover is in complete contact with the cleaning brush.

Optionally, a laser emitting unit and a photoelectric sensing unit are arranged on one side of the optical assembly, and one side of the optical assembly, which is close to the laser emitting unit and the photoelectric sensing unit, corresponds to the through groove.

Optionally, a protrusion is arranged at one end, away from the rotating seat, of the fixing plate, and the size of the protruding end of the fixing plate is larger than that of the opening of the square sliding hole.

Optionally, the rotating seat is rotatably connected with the transmission cylinder through a bearing fixedly connected with, and the fixed plate is rotatably connected with the transmission cylinder through a rotating seat fixedly connected with.

(III) advantageous effects

The utility model provides a laser radar sensor possesses following beneficial effect:

1. through having set up clear glass cover and protecting crust, and the inner wall fixedly connected with clearance brush of protecting crust, clear glass cover is the pipe form simultaneously, the outer wall and the clearance brush of clear glass cover contact completely, it makes the protecting crust rotate when changing the angle at every turn to enable the optical assembly during operation, thereby drive the outer wall rotation clearance that the clearance brush centers on clear glass cover, such design can make the device can accomplish the work of clearance clear glass cover dust automatically when work, make clear glass cover be convenient for clear up, reach the purpose that improves sensitivity.

2. Through having set up fixed plate and square slide opening, and the buffering head is through having seted up square slide opening and fixed plate sliding connection, and the inside of square slide opening is provided with damping spring, and one side fixedly connected with optical assembly of fixed plate simultaneously can make when external force strikes the buffering head, and the impact force can be absorbed earlier by damping spring and weaken to reduce the impact force and the vibrations to optical assembly, reach the purpose that improves life.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic structural diagram of a point a in fig. 2 according to the present invention.

In the figure: 1-mounting plate, 2-transmission cylinder, 3-protective shell, 4-transparent glass cover, 5-buffer head, 6-rotating shaft, 7-first gear, 8-rotating seat, 9-bearing, 10-fixing plate, 11-optical component, 12-cleaning brush, 13-square sliding hole, 14-damping spring, 15-fixing plate, 16-micro motor, 17-second gear and 18-through groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 3, the present invention provides a technical solution: a laser radar sensor comprises a mounting plate 1, a transmission cylinder 2 is fixedly connected at the center of the top surface of the mounting plate 1, a rotating shaft 6 is rotatably connected at the center of the bottom surface of the inner wall of the transmission cylinder 2, a first gear 7 is fixedly connected at one side of the rotating shaft 6, a bearing 9 is fixedly connected at the center of the top surface of the transmission cylinder 2, a rotating seat 8 is fixedly connected with the inner ring of the bearing 9, the center of the bottom surface of the rotating seat 8 is fixedly connected with one end of the rotating shaft 6 close to the first gear 7, a transparent glass cover 4 is fixedly connected at the edge of the top surface of the transmission cylinder 2, fixed plates 10 are fixedly connected at both sides of the top surface of the rotating seat 8, an optical component 11 is fixedly connected at one side of the fixed plate 10, a buffer head 5 is arranged at the top of the optical component 11, square sliding holes 13 are arranged at both sides of the bottom surface of the buffer head 5, the inside of square slide opening 13 is provided with damping spring 14, and the edge fixedly connected with protecting crust 3 of buffer head 5 bottom surface, the inner wall fixedly connected with clearance brush 12 of protecting crust 3, one side of protecting crust 3 has seted up through groove 18.

As an optimal technical solution of the utility model:

one side fixedly connected with stationary blade 15 on 2 inner wall ground of transmission section of thick bamboo, the inside fixedly connected with micro motor 16 of stationary blade 15, micro motor 16 is the toper rotor motor, can realize the auto-lock when closing, and micro motor 16's output fixedly connected with second gear 17.

As an optimal technical solution of the utility model:

the position of the second gear 17 corresponds to the position of the first gear 7, the second gear 17 is meshed with the first gear 7, the diameter of the second gear 17 is smaller than that of the first gear 7, and the pinion drives the bull gear to rotate so as to reduce the rotating speed of the bull gear, so that the rotating stability of the first gear 7 is improved.

As an optimal technical solution of the utility model:

transparent glass cover 4 is the pipe form, and the diameter of transparent glass cover 4 equals with the diameter of transmission section of thick bamboo 2, and the outer wall of transparent glass cover 4 contacts completely with clearance brush 12 to make clearance brush 12 can clear up the dust on the surface of clear glass cover 4 when rotating along with protecting crust 3, improve the light transmissivity of transparent glass cover 4.

As an optimal technical solution of the utility model:

a laser emitting unit and a photoelectric sensing unit are arranged on one side of the optical assembly 11, the optical assembly 11 is close to the laser emitting unit and corresponds to the through groove 18 on one side of the photoelectric sensing unit, so that the laser beam emitted by the optical assembly 11 and the received radiated light can both pass through the area of the through groove 18 of the protective shell 3, and the area of the through groove 18 rotates along with the rotation of the optical assembly 11, so that the optical assembly 11 is always aligned with the area of the through groove 18.

As an optimal technical solution of the utility model:

the end of the fixing plate 10, which is far away from the rotating seat 8, is provided with a bulge, the size of the bulge end of the fixing plate 10 is larger than the size of the opening of the square sliding hole 13, so that the fixing plate 10 cannot be separated from the square sliding hole 13, meanwhile, the opening of the square sliding hole 13 is a separately installed sealing cover, and the fixing plate 10 penetrates through the sealing cover, thereby facilitating the assembly during production.

As an optimal technical solution of the utility model:

rotate seat 8 and rotate with transmission section of thick bamboo 2 through fixedly connected with bearing 9 and be connected, fixed plate 10 rotates seat 8 and transmission section of thick bamboo 2 through fixedly connected with and rotates and be connected, can drive fixed optical assembly 11 and rotate on the fixed plate 10 when making rotate seat 8 and rotate to make optical assembly 11 can survey different angles.

In conclusion, when the laser radar sensor is used, the transparent glass cover 4 and the protective shell 3 are arranged, the cleaning brush 12 is fixedly connected to the inner wall of the protective shell 3, meanwhile, the transparent glass cover 4 is in a circular tube shape, the outer wall of the transparent glass cover 4 is completely contacted with the cleaning brush 12, the protective shell 3 can rotate when the angle of the optical component 11 is changed every time when the optical component works, so that the cleaning brush 12 is driven to rotate around the outer wall of the transparent glass cover 4 for cleaning, the design can enable the device to automatically complete the work of cleaning dust on the transparent glass cover 4 when the device works, the transparent glass cover 4 is convenient to clean, the purpose of improving the sensitivity is achieved, the fixed plate 10 and the square sliding hole 13 are arranged, the buffer head 5 is in sliding connection with the fixed plate 10 through the square sliding hole 13, the damping spring 14 is arranged inside the square sliding hole 13, meanwhile, the optical assembly 11 is fixedly connected to one side of the fixing plate 10, so that when an external force impacts the buffer head 5, impact force is absorbed and weakened by the damping spring 14, impact force and vibration on the optical assembly 11 are reduced, and the purpose of prolonging service life is achieved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A lidar sensor, comprising: comprises a mounting plate (1), a fixedly connected with transmission cylinder (2) is arranged at the center of the top surface of the mounting plate (1), a rotating shaft (6) is arranged at the center of the inner wall bottom surface of the transmission cylinder (2) in a rotating way, a first gear (7) is fixedly connected with one side of the rotating shaft (6), a bearing (9) is fixedly connected with the center of the top surface of the transmission cylinder (2), a rotating seat (8) is fixedly connected with the inner ring of the bearing (9), the center of the bottom surface of the rotating seat (8) is fixedly connected with one end of the rotating shaft (6) close to the first gear (7), a transparent glass cover (4) is fixedly connected with the edge of the top surface of the transmission cylinder (2), fixing plates (10) are fixedly connected with the two sides of the top surface of the rotating seat (8), an optical component (11) is fixedly connected with one side of the fixing plates (10), and, square slide opening (13) have been seted up to the both sides of buffer head (5) bottom surface, the position of square slide opening (13) is corresponding with the position of fixed plate (10), buffer head (5) are through seting up square slide opening (13) and fixed plate (10) sliding connection, the inside of square slide opening (13) is provided with damping spring (14), the edge fixedly connected with protecting crust (3) of buffer head (5) bottom surface, the inner wall fixedly connected with clearance brush (12) of protecting crust (3), through groove (18) have been seted up to one side of protecting crust (3).

2. A lidar sensor according to claim 1, wherein: one side fixedly connected with stationary blade (15) on transmission section of thick bamboo (2) inner wall ground, the inside fixedly connected with micro motor (16) of stationary blade (15), the output fixedly connected with second gear (17) of micro motor (16).

3. A lidar sensor according to claim 2, wherein: the position of the second gear (17) corresponds to the position of the first gear (7), the second gear (17) is meshed with the first gear (7), and the diameter of the second gear (17) is smaller than that of the first gear (7).

4. A lidar sensor according to claim 1, wherein: the transparent glass cover (4) is in a circular tube shape, the diameter of the transparent glass cover (4) is equal to that of the transmission cylinder (2), and the outer wall of the transparent glass cover (4) is in complete contact with the cleaning brush (12).

5. A lidar sensor according to claim 1, wherein: a laser emitting unit and a photoelectric sensing unit are arranged on one side of the optical assembly (11), and one side, close to the laser emitting unit and the photoelectric sensing unit, of the optical assembly (11) corresponds to the through groove (18).

6. A lidar sensor according to claim 1, wherein: the fixed plate (10) is far away from one end of the rotating seat (8) and is provided with a bulge, and the size of the bulge end of the fixed plate (10) is larger than that of the opening of the square sliding hole (13).

7. A lidar sensor according to claim 1, wherein: the rotating seat (8) is rotatably connected with the transmission cylinder (2) through a bearing (9) fixedly connected with, and the fixed plate (10) is rotatably connected with the transmission cylinder (2) through a rotating seat (8) fixedly connected with.