CN216285699U - a lidar - Google Patents

Abstract

The embodiment of the utility model provides a laser radar which comprises a laser measurement component, a driving component and a wireless power supply component, wherein the laser measurement component is in power coupling connection with the driving component; the wireless power supply assembly comprises a wireless power supply transmitting circuit board and a wireless power supply receiving circuit board, the wireless power supply transmitting circuit board is electrically connected with the driving assembly, and the wireless power supply receiving circuit board is electrically connected with the laser measuring assembly; and a transmitting coil is integrated on the wireless power supply transmitting circuit board. Transmitting coil and receiving coil among the wireless power supply subassembly are integrated the setting respectively on wireless power supply transmitting circuit board and wireless power supply receiving circuit board to outside wireless power supply transmitting circuit board and the wireless power supply receiving circuit board cover were located a magnetic core, the wireless power supply structure that wireless power supply subassembly size on the extending direction of magnetic core adopted than present laser radar is little like this, thereby is favorable to laser radar's miniaturized design.

Description

a lidar

technical field

The utility model relates to the technical field of laser detection, in particular to a laser radar.

Background technique

In the fields of AGV, industrial robots, modern security and other fields, intelligent mobile devices need to capture the distance and angle information of obstacles around the device at any time to emit laser beams to detect the target position. The working principle is to emit detection laser beams to the detected objects, and then The time comparison between the reflected echo signal reflected from the detected obstacle and the emitted laser signal is performed, and after proper processing, the target information, such as the distance, contour, and azimuth of the target, can be obtained.

At present, most of the lidars used in smart mobile devices are 2D lidars, or 3D lidars with only some fixed angles. The lidar adopts a wireless power supply structure. The wireless power supply structure usually includes a transmitting coil, a transmitting magnetic core, a receiving coil and a receiving magnetic core. At present, the wireless power supply structure used by the lidar has a large volume, which is not conducive to the miniaturization design of the lidar. The problem.

Utility model content

The embodiment of the present invention provides a laser radar, which aims to solve the problem that the wireless power supply structure currently used by the laser radar has a large volume, which is not conducive to the miniaturized design of the laser radar.

The utility model provides a laser radar, which comprises a laser measuring component, a driving component and a wireless power supply component. The laser measuring component is dynamically coupled and connected with the driving component for driving the laser measuring component to rotate. The laser measuring component including rotating load body;

The wireless power supply assembly is arranged between the laser measurement assembly and the drive assembly, the wireless power supply assembly includes a wireless power supply transmitting circuit board and a wireless power supply receiving circuit board, the wireless power supply transmitting circuit board and the wireless power supplying circuit board The receiving circuit boards are opposite to each other in the direction of the rotation axis of the rotating load body, the wireless power supply transmitting circuit board is electrically connected to the driving component, and the wireless power supply receiving circuit board is electrically connected to the laser measurement component;

Wherein, a transmitting coil is integrated on the wireless power supply transmitting circuit board, and a receiving coil electromagnetically coupled with the transmitting coil is integrated on the wireless power supply receiving circuit board.

In a specific embodiment, the laser measurement assembly further includes a top main control board, and the driving assembly includes a bottom main control board;

The top main control board is arranged on the top of the rotating load main body, the wireless power supply assembly is arranged on the bottom of the rotating load main body, the wireless power supply transmitting circuit board is electrically connected to the bottom main control board, and the wireless power supplying circuit board is electrically connected to the bottom main control board. The power supply receiving circuit board is electrically connected to the top main control board.

In a specific embodiment, the laser measurement assembly further includes an optical communication circuit board, the optical communication circuit board is mounted on the bottom of the rotating load body, and the optical communication circuit board is electrically connected to the top main control board, the wireless power supply receiving circuit board;

An optical communication transmitter is disposed on the board surface of the optical communication circuit board facing the bottom main control board, and an optical communication receiver is disposed on the bottom main control board corresponding to the optical communication transmitter.

In a specific embodiment, the wireless power supply assembly further includes a magnetic core, and the wireless power supply transmitting circuit board and the wireless power supply receiving circuit board are sleeved outside the magnetic core.

In a specific embodiment, the wireless power supply assembly is located between the optical communication circuit board and the bottom main control board;

The magnetic core extends along the direction of the rotation axis of the rotating load main body, and the magnetic core is arranged in a cylindrical shape with both ends open;

The optical communication circuit board is spaced apart from the bottom main control board in the direction of the rotation axis of the rotating load body, and the inner cavity of the magnetic core, the optical communication transmitter and the optical communication receiver are located there. The rotating load main bodies are spaced apart and opposed to each other in the direction of the rotation axis of the rotating load body.

In a specific embodiment, a first electrical pin is disposed between the optical communication circuit board and the wireless power supply receiving circuit board, and the optical communication circuit board is electrically connected to the wireless through the first electrical pin. Power supply receiver circuit board.

In a specific embodiment, a second electrical pin is disposed between the bottom main control board and the wireless power supply transmitting circuit board, and the bottom main control board is electrically connected to the wireless through the second electrical pin. Power the transmitter circuit board.

In a specific embodiment, the top main control board is electrically connected to the optical communication circuit board through a flexible cable, and the flexible cable is arranged along the direction of the rotation axis of the rotating load body;

The side surface of the rotating load body is provided with a wire arranging slot, and at least part of the flexible flex cable is accommodated in the wire arranging slot.

In a specific embodiment, the bottom of the rotating load body is provided with a first installation groove, and the notch of the first installation groove faces the bottom main control board;

The wireless power supply assembly is arranged in the first installation groove.

In a specific embodiment, the drive assembly further includes a drive motor including a motor stator and a motor rotor;

The motor rotor is fixedly sleeved outside the bottom of the rotating load main body, the motor stator is sleeved outside the motor rotor, and the motor stator is electrically connected to the bottom main control board.

In a specific embodiment, the drive motor further includes a connection circuit board electrically connected to the motor stator, the connection circuit board is fixedly mounted on the motor stator, and the bottom main control board faces the rotating load main body The board surface of the device is provided with a plug connector, and the plug connector is electrically connected to the connection circuit board through a flexible cable.

In a specific embodiment, the magnetic core is provided with an annular abutting surface facing the wireless power supply transmitting circuit board, and the wireless power supplying transmitting circuit board abuts with the annular abutting surface.

In a specific embodiment, the drive assembly further includes a bottom case and a bearing, the bottom case is provided with a first opening facing the rotating load body, and the bottom case is provided with a first opening facing the rotating load body. a partition, a first accommodating space and a second accommodating space in the form of spaced apart in the bottom case, the first accommodating space being communicated with the first opening;

The bottom of the rotating load body is located in the first accommodating space, the bottom of the rotating load body is provided with a second installation groove, the notch of the second installation groove faces the baffle, and the baffle faces The rotating load body is protruded with a mounting post, the mounting post extends along the direction of the rotation axis of the rotating load body, the mounting post is located in the second mounting groove, and the mounting post is connected to the first mounting post. The bearing is sleeved and installed between the inner side walls of the two installation grooves.

In a specific embodiment, the wireless power supply assembly and the bottom main control board are located in the second accommodating space.

In a specific embodiment, the bottom case is provided with a second opening that communicates with the second accommodating space, and the driving assembly further includes a bottom cover plate, the bottom cover plate is detachably covered and installed on the the second opening.

In the technical solution of the present utility model, the transmitting coil and the receiving coil in the wireless power supply assembly are respectively integrated on the wireless power supply transmitting circuit board and the wireless power supply receiving circuit board, and the wireless power supply transmitting circuit board and the wireless power supply receiving circuit board are sleeved. In addition to a magnetic core, the size of the wireless power supply component in the extension direction of the magnetic core is smaller than that of the wireless power supply structure currently used by the lidar, which is beneficial to the miniaturized design of the lidar.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

FIG. 1 is one of the schematic structural diagrams of a laser radar according to an embodiment of the present invention;

Fig. 2 is the structural schematic diagram of the laser measurement assembly in Fig. 1;

FIG. 3 is a cross-sectional view of the lidar in FIG. 1;

FIG. 4 is a schematic diagram of part of the structure of the lidar in FIG. 1;

FIG. 5 is the second schematic structural diagram of a laser radar according to an embodiment of the present invention;

Description of the reference numerals: lidar 100, laser measurement assembly 1, rotating load body 11, wiring slot 111, first installation slot 112, second installation slot 113, installation post 114, top main control board 12, optical communication circuit board 13. Drive assembly 2, bottom main control board 21, second electrical pins 211, drive motor 22, motor stator 221, motor rotor 222, bottom case 23, first accommodating space 231, second accommodating space 232, bearing 24, Separator 25 , bottom cover 26 , wireless power supply assembly 3 , wireless power supply transmitting circuit board 31 , wireless power supply receiving circuit board 32 , magnetic core 33 , annular contact surface 331 , optical communication transmitter 4 , and optical communication receiver 5 .

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, but not all of them. Example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

It should be noted that if there are directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention, the directional indications are only used to explain a certain posture (such as the accompanying drawings). When the relative positional relationship, movement situation, etc. between the various components under the shown), if the specific posture changes, the directional indication also changes accordingly.

In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for the purpose of description, and should not be construed as instructions or Implicit their relative importance or implicitly indicate the number of technical features indicated. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In addition, the meaning of "and/or" in the whole text includes three parallel schemes. Taking "A and/or B" as an example, it includes scheme A, scheme B, or scheme satisfying both of A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of such technical solutions does not exist. , is not within the scope of protection required by the present utility model.

At present, most of the lidars used in smart mobile devices are 2D lidars, or 3D lidars with only some fixed angles. The lidar adopts a wireless power supply structure. The wireless power supply structure usually includes a transmitting coil, a transmitting magnetic core, a receiving coil and a receiving magnetic core. At present, the wireless power supply structure used by the lidar has a large volume, which is not conducive to the miniaturization design of the lidar. The problem.

In view of this, the present utility model provides a laser radar, which can be installed on intelligent mobile devices in the fields of AGV, industrial robots, modern security and other fields. Example.

As shown in FIG. 1 to FIG. 4 , in the first embodiment, the lidar 100 includes a laser measurement component 1 , a driving component 2 and a wireless power supply component 3 . The laser measurement component 1 and the driving component 2 are dynamically coupled and connected for driving the laser The measurement component 1 rotates; the wireless power supply component 3 is arranged between the laser measurement component 1 and the drive component 2, and the wireless power supply component 3 includes a wireless power supply transmitting circuit board 31 and a wireless power supply receiving circuit board 32, a wireless power supply transmitting circuit board 31 and a wireless power supply The receiving circuit boards 32 are opposite to each other in the direction of the rotation axis of the rotating load body 11 , the wireless power supply transmitting circuit board 31 is electrically connected to the driving component 2 , and the wireless power supply receiving circuit board 32 is electrically connected to the laser measurement component 1 ; wherein, the wireless power supply transmitting circuit board 31 A transmitting coil is integrated thereon, and a receiving coil electromagnetically coupled to the transmitting coil is integrated on the wireless power supply receiving circuit board 32 .

Specifically, the laser measurement assembly 1 includes a rotating load body 11 , a laser emitting module (not shown in the figure) and a laser receiving module (not shown in the figure) are correspondingly provided on the rotating load body 11 , and the driving assembly 2 For driving the rotation load main body 11 to rotate. During the rotation of the rotating load body 11 , the laser transmitting module can emit a detection laser beam to the detected object, and then the laser receiving module can detect the reflected echo signal reflected by the detected object, and combine the reflected echo signal with the emitted laser signal. After comparison and proper processing, the relevant information of the detected object can be obtained, for example, the distance, outline and orientation of the detected object.

The wireless power supply transmitting circuit board 31 is integrated with a transmitting coil, that is, the transmitting coil in the existing wireless power supply structure is the wiring on the wireless power supplying transmitting circuit board 31. Similarly, the wireless power supply receiving circuit board 32 is integrated with a receiving coil, That is, the receiving coil in the existing wireless power supply structure is the wiring on the wireless power supply receiving circuit board 32 . The lidar 100 is usually electrically connected to the power supply through the driving component 2 , and the driving component 2 supplies power to the laser measuring component 1 through the wireless power supply component 3 .

In the technical solution of the present invention, the transmitting coil and the receiving coil in the wireless power supply assembly 3 are respectively integrated and arranged on the wireless power supply transmitting circuit board 31 and the wireless power supply receiving circuit board 32, and the wireless power supply transmitting circuit board 31 and the wireless power supply receiving circuit board 31 are respectively integrated. The circuit board 32 is sleeved outside a magnetic core 33, so that the size of the wireless power supply assembly 3 in the extending direction of the magnetic core 33 is smaller than that of the wireless power supply structure currently used by the laser radar, which is beneficial to the miniaturized design of the laser radar.

Optionally, as shown in FIGS. 1 to 4 , in the first embodiment, the wireless power supply assembly 3 includes a magnetic core 33 , and the wireless power supply transmitting circuit board 31 and the wireless power supply receiving circuit board 32 are sleeved outside the magnetic core 33 , Both the wireless power transmitting circuit board 31 and the wireless power receiving circuit board 32 are provided with a perforation for one end of the magnetic core 33 to pass through, and the magnetic core 33 can strengthen the electromagnetic coupling between the wireless power transmitting circuit board 31 and the wireless power receiving circuit board 32 .

The wireless power supply transmitting circuit board 31 and the wireless power supply receiving circuit board 32 are respectively electrically connected to the driving component 2 and the laser measuring component 1. Specifically, as shown in FIG. 1 to FIG. 4, in the first embodiment, the laser measuring component 1 includes a rotating The load main body 11 and the top main control board 12, the drive assembly 2 includes the bottom main control board 21; the top main control board 12 is arranged on the top of the rotating load main body 11, and the wireless power supply assembly 3 is arranged at the bottom of the rotating load main body 11, and the wireless power supply transmits The circuit board 31 is electrically connected to the bottom main control board 21 , and the wireless power supply receiving circuit board 32 is electrically connected to the top main control board 12 .

Specifically, the bottom main control board 21 is used for electrical connection to the power supply, and the bottom main control board 21 supplies power to the top main control board 12 through electromagnetic coupling between the wireless power supply transmitting circuit board 31 and the wireless power supply receiving circuit board 32 . The top main control board 12 is electrically connected to the laser transmitting module and the laser receiving module, and is used for controlling the laser transmitting module and the laser receiving module through the top main control board 12 .

Optionally, as shown in FIGS. 1 to 4 , in the first embodiment, the bottom of the rotating load body 11 is provided with a first installation groove 112 , and the notch of the first installation groove 112 faces the bottom main control board 21 ; The power supply assembly 3 is arranged in the first installation slot 112 . The wireless power supply assembly 3 is arranged in the first installation slot 112 , so that the size of the lidar 100 in the extending direction of the magnetic core 33 can be reduced, thereby facilitating the miniaturized design of the lidar 100 .

A communication structure will be provided between the laser measuring component 1 and the driving component 2 of the lidar 100 to form a communication connection between the laser measuring component 1 and the driving component 2, so as to transmit the information collected by the laser measuring component 1 to the outside through the driving component 2 Specifically, as shown in FIGS. 1 to 4 , in the first embodiment, the laser measurement assembly 1 further includes an optical communication circuit board 13 , the optical communication circuit board 13 is installed on the bottom of the rotating load body 11 , and the optical communication circuit The board 13 is electrically connected to the top main control board 12 and the wireless power supply receiving circuit board 32; the optical communication circuit board 13 is provided with an optical communication transmitter 4 on the board surface facing the bottom main control board 21, and the bottom main control board 21 corresponds to the optical communication transmitter 4 is provided with an optical communication receiver 5 .

Specifically, the wireless power supply receiving circuit board 32 is electrically connected to the top main control board 12 through the optical communication circuit board 13 , and the wireless power supply receiving circuit board 32 can supply power to the optical communication circuit board 13 and the top main control board 12 . The collected information of the laser measurement assembly 1 is transmitted to the optical communication circuit board 13 through the top main control board 12, and then the collected information can be transmitted to the bottom main control board 21 through the optical communication transmitter 4 and the optical communication receiver 5, and finally the drive assembly 2 passes through the bottom. The main control board 21 transmits it to the outside.

Further, as shown in FIGS. 1 to 4 , in the first embodiment, the wireless power supply assembly 3 is located between the optical communication circuit board 13 and the bottom main control board 21 ; the magnetic core 33 is along the rotation axis of the rotating load body 11 . The magnetic core 33 is arranged in a cylindrical shape with two open ends; the optical communication circuit board 13 and the bottom main control board 21 are spaced opposite to each other in the direction of the rotation axis of the rotating load main body 11, the inner cavity of the magnetic core 33, the optical communication The transmitter 4 and the optical communication receiver 5 are opposite to each other at intervals in the direction of the rotation axis of the rotating load body 11 . The arrangement of the wireless power supply assembly 3 , the optical communication circuit board 13 and the bottom main control board 21 makes the structure of the lidar 100 relatively compact.

The optical communication circuit board 13 is installed on the bottom of the rotating load main body 11. Optionally, as shown in FIG. 1 to FIG. As shown in the figure), the optical communication circuit board 13 is mounted on the mounting post by means of a screw connection.

The optical communication circuit board 13 is electrically connected to the top main control board 12, and the optical communication circuit board 13 and the top main control board 12 can be electrically connected through flexible cables, electrical pins, etc. Specifically, as shown in FIG. 1 to FIG. 4 As shown, in the first embodiment, the top main control board 12 is electrically connected to the optical communication circuit board 13 through a flexible cable (not shown in the figure), and the flexible cable is arranged along the rotation axis direction of the rotating load main body 11; The side surface of the rotating load main body 11 is provided with a cable slot 111 , and at least part of the flexible cable is accommodated in the cable slot 111 . A flexible cable is passed between the optical communication circuit board 13 and the top main control board 12, so that the optical communication circuit board 13 and the top main control board 12 are electrically connected, and the flexible cable is accommodated in the cable slot 111. , which can avoid the interference of the flexible cable with other components.

The optical communication circuit board 13 is electrically connected to the wireless power supply receiving circuit board 32. Optionally, as shown in FIG. 1 to FIG. The first electrical pin (not shown in the figure), the optical communication circuit board 13 is electrically connected to the wireless power supply receiving circuit board 32 through the first electrical pin. The first electrical pin can not only form an electrical connection between the optical communication circuit board 13 and the wireless power supply receiving circuit board 32 , but also form a fixed connection between the optical communication circuit board 13 and the wireless power supply receiving circuit board 32 . connect. In addition, a plurality of first electrical pins may be provided along the circumferential direction of the optical communication circuit board 13 .

Similarly, as shown in FIGS. 1 to 4 , in the first embodiment, a second electrical pin 211 is provided between the bottom main control board 21 and the wireless power supply transmitting circuit board 31 , and the bottom main control board 21 passes through the second electrical pin 211 . The electrical pins 211 are electrically connected to the wireless power supply transmitting circuit board 31 . The second electrical pins 211 can not only form the electrical connection between the bottom main control board 21 and the wireless power supply transmitting circuit board 31 , but also form the connection between the bottom main control board 21 and the wireless power supply transmitting circuit board 31 . fixed connection. In addition, a plurality of second electrical pins 211 may be provided along the circumference of the bottom main control board 21 .

The drive assembly 2 is used to drive the rotating load body 11 to rotate. Specifically, as shown in FIGS. 1 to 4 , in the first embodiment, the drive assembly 2 further includes a drive motor 22 , and the drive motor 22 includes a motor stator 221 and a motor rotor 222 ; the motor rotor 222 is fixedly sleeved outside the bottom of the rotating load main body 11 , the motor stator 221 is sleeved outside the motor rotor 222 , and the motor stator 221 is electrically connected to the bottom main control board 21 . Specifically, the bottom main control board 21 can supply power to the driving motor 22 , and drive the rotating load main body 11 to rotate through the motor rotor 222 .

The motor stator 221 and the bottom main control board 21 can be electrically connected by means of wires or the like. Specifically, as shown in FIG. 1 to FIG. 4 , in the first embodiment, the drive motor 22 further includes an electrical connection with the motor stator 221 The connected connecting circuit board (not shown in the figure), the connecting circuit board is fixedly installed on the motor stator 221, the bottom main control board 21 is provided with a plug connector on the surface of the main control board 21 facing the rotating load main body 11, and the plug connector is electrically connected by a flexible cable Connect the circuit board. The motor stator 221 and the bottom main control board 21 are electrically connected by connecting circuit boards, flexible cables and plug connectors, so that the connection line between the motor stator 221 and the bottom main control board 21 is not easily broken.

Optionally, as shown in FIGS. 1 to 4 , in the first embodiment, the magnetic core 33 is provided with an annular abutting surface 331 facing the wireless power supply transmitting circuit board 31 , and the wireless power supplying transmitting circuit board 31 and the annular abutting surface are provided. 331 butt. The annular contact surface 331 is provided on the magnetic core 33, which can realize the installation and positioning between the magnetic core 33 and the wireless power supply transmitting circuit board 31. fixed connection.

Optionally, as shown in FIG. 3 , in the first embodiment, the drive assembly 2 further includes a bottom shell 23 and a bearing 24 , the bottom of the rotating load main body 11 is located in the bottom shell 23 , and the bearing 24 is sleeved and installed on the bottom shell 23 between the inner side wall of the rotating load body 11 and the bottom of the rotating load body 11 . Among them, the bottom main control board 21, the driving motor 22, etc. are all located in the bottom case 23.

Optionally, as shown in FIG. 5 , in the second embodiment, the drive assembly 2 further includes a bottom case 23 and a bearing 24 . The bottom case 23 is provided with a first opening facing the rotating load body 11 , and the bottom case 23 is provided with a first opening. There is a partition 25 facing the rotating load body 11, a first accommodating space 231 and a second accommodating space 232 in a spaced form in the bottom shell 23, and the first accommodating space 231 communicates with the first opening; the bottom of the rotating load body 11 is located at In the first accommodating space 231 , the bottom of the rotating load body 11 is provided with a second installation groove 113 , the notch of the second installation groove 113 faces the partition 25 , and the partition 25 is protruded from the rotating load main body 11 with a mounting post 114 for installation. The column 114 extends along the rotation axis direction of the rotating load body 11 , the mounting column 114 is located in the second mounting groove 113 , and the bearing 24 is sleeved and mounted between the mounting column 114 and the inner wall of the second mounting groove 113 . Compared with the arrangement of the bearing 24 in the first embodiment, the arrangement of the bearing 24 in the second embodiment can reduce the volume of the bearing 24, thereby reducing the noise generated when the rotating load body 11 rotates, and also reducing the driving current. Wherein, the driving motor 22 may be located in the first accommodating space 231 , and the wireless power supply assembly 3 and the bottom main control board 21 may be located in the second accommodating space 232 . In addition, the mounting post 114 is hollow to avoid blocking the optical communication between the optical communication transmitter 4 and the optical communication receiver 5 .

Further, as shown in FIG. 5 , in the second embodiment, the bottom case 23 is provided with a second opening communicating with the second accommodating space 232 , and the drive assembly 2 further includes a bottom cover plate 26 , and the bottom cover plate 26 is detachable The cover is installed at the second opening, and the arrangement of the second opening and the bottom cover plate 26 facilitates inspection and maintenance of the electrical components in the second accommodating space 232 . Wherein, the orientation of the second opening may be opposite to the orientation of the first opening.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Under the conception of the present invention, the equivalent structure transformation made by using the contents of the description and drawings of the present invention, or directly / Indirect applications in other related technical fields are included in the scope of patent protection of the present utility model.

Claims (10)

1. A laser radar, characterized in that it comprises a laser measurement assembly, a drive assembly and a wireless power supply assembly, and the laser measurement assembly is coupled and connected with the drive assembly for driving the laser measurement assembly to rotate, and the laser The measurement assembly includes a rotating load body; The wireless power supply assembly is arranged between the laser measurement assembly and the drive assembly, the wireless power supply assembly includes a wireless power supply transmitting circuit board and a wireless power supply receiving circuit board, the wireless power supply transmitting circuit board and the wireless power supplying circuit board The receiving circuit boards are opposite to each other in the direction of the rotation axis of the rotating load body, the wireless power supply transmitting circuit board is electrically connected to the driving component, and the wireless power supply receiving circuit board is electrically connected to the laser measurement component; Wherein, a transmitting coil is integrated on the wireless power supply transmitting circuit board, and a receiving coil electromagnetically coupled with the transmitting coil is integrated on the wireless power supply receiving circuit board. 2. The laser radar according to claim 1, wherein the laser measurement assembly further comprises a top main control board, and the drive assembly comprises a bottom main control board; The top main control board is arranged on the top of the rotating load main body, the wireless power supply assembly is arranged on the bottom of the rotating load main body, the wireless power supply transmitting circuit board is electrically connected to the bottom main control board, and the wireless power supplying circuit board is electrically connected to the bottom main control board. The power supply receiving circuit board is electrically connected to the top main control board. 3 . The lidar according to claim 2 , wherein the laser measurement assembly further comprises an optical communication circuit board, the optical communication circuit board is mounted on the bottom of the rotating load body, and the optical communication circuit board is 3 . electrically connecting the top main control board and the wireless power supply receiving circuit board; An optical communication transmitter is disposed on the board surface of the optical communication circuit board facing the bottom main control board, and an optical communication receiver is disposed on the bottom main control board corresponding to the optical communication transmitter. 4 . The lidar according to claim 3 , wherein a first electrical pin is disposed between the optical communication circuit board and the wireless power supply receiving circuit board, and the optical communication circuit board passes through the first electrical pin. 5 . An electrical pin is electrically connected to the wireless power supply receiving circuit board; and/or, A second electrical pin is disposed between the bottom main control board and the wireless power supply transmitting circuit board, and the bottom main control board is electrically connected to the wireless power supplying transmitting circuit board through the second electrical pin. 5 . The lidar according to claim 2 , wherein the bottom of the rotating load body is provided with a first installation groove, and the notch of the first installation groove faces the bottom main control board; 5 . The wireless power supply assembly is arranged in the first installation groove. 6 . The laser radar according to claim 2 , wherein the driving assembly further comprises a driving motor, and the driving motor comprises a motor stator and a motor rotor; 6 . The motor rotor is fixedly sleeved outside the bottom of the rotating load main body, the motor stator is sleeved outside the motor rotor, and the motor stator is electrically connected to the bottom main control board. 7 . The lidar according to claim 6 , wherein the driving motor further comprises a connection circuit board electrically connected to the motor stator, the connection circuit board is fixedly mounted on the motor stator, and the bottom A board surface of the main control board facing the rotating load body is provided with a plug connector, and the plug connector is electrically connected to the connection circuit board through a flexible cable. 8 . The lidar according to claim 2 , wherein the driving assembly further comprises a bottom case and a bearing, the bottom case is provided with a first opening facing the rotating load main body, and the bottom case is inside the bottom case. 9 . a partition plate facing the rotating load body is provided, a first accommodating space and a second accommodating space are spaced in the bottom case, and the first accommodating space communicates with the first opening; The bottom of the rotating load body is located in the first accommodating space, the bottom of the rotating load body is provided with a second installation groove, the notch of the second installation groove faces the baffle, and the baffle faces The rotating load body is protruded with a mounting post, the mounting post extends along the direction of the rotation axis of the rotating load body, the mounting post is located in the second mounting groove, and the mounting post is connected to the first mounting post. The bearing is sleeved and installed between the inner side walls of the two installation grooves. 9. The lidar according to claim 8, wherein the wireless power supply assembly and the bottom main control board are located in the second accommodating space; and/or, The bottom case is provided with a second opening communicating with the second accommodating space, and the driving assembly further includes a bottom cover plate, the bottom cover plate is detachably mounted on the second opening. 10. The lidar according to any one of claims 1-9, wherein the wireless power supply assembly further comprises a magnetic core, and the wireless power supply transmitting circuit board and the wireless power supply receiving circuit board are sleeved on the outside the magnetic core.

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