CN217181208U - Rotary scanning platform and laser radar - Google Patents
Rotary scanning platform and laser radar Download PDFInfo
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- CN217181208U CN217181208U CN202123253755.7U CN202123253755U CN217181208U CN 217181208 U CN217181208 U CN 217181208U CN 202123253755 U CN202123253755 U CN 202123253755U CN 217181208 U CN217181208 U CN 217181208U
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Abstract
The embodiment of the utility model provides a rotary scanning platform and laser radar, rotary scanning platform includes base, driver and adaptor: the driver is arranged on the base, and the driver is in power coupling connection with the adapter and is used for driving the adapter to rotate; the adapter is provided with an installation positioning part, and the installation positioning part is used for being fixedly connected with an installation matching part on the rotary load so as to drive the rotary load to rotate through the adapter. The technical scheme of the utility model in, rotatory scanning platform and light path part among the laser radar are the modularized design, and the adaptor among the rotatory scanning platform and the rotatory load in the light path part are through installation cooperation portion and installation location portion fixed connection, and the light path part can directly be replaced according to different demands to can realize the product iteration fast.
Description
Technical Field
The utility model relates to a laser detection technology field, in particular to rotary scanning platform and laser radar.
Background
The existing laser radar generally comprises a rotary scanning platform and a light path part, wherein the rotary scanning platform comprises a base and a motor arranged on the base, the light path part comprises a rotary load and a laser transceiving module arranged on the rotary load, and the motor is in power coupling connection with the rotary load to drive the laser transceiving module to rotate, so that the rotary scanning of laser is realized. The laser radar is arranged in a mode that the disassembly and the assembly between the light path part and the motor are troublesome, and different light path parts are not convenient to replace, so that the iteration problem of products is realized.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a rotary scanning platform and laser radar aims at solving the dismouting between the light path part in the current laser radar and the motor can be comparatively troublesome, is unfavorable for changing different light path parts to realize the iterative problem of product.
The utility model provides a rotary scanning platform, including base, driver and adaptor:
the driver is arranged on the base, and the driver is in power coupling connection with the adapter and is used for driving the adapter to rotate;
the adapter is provided with an installation positioning part, and the installation positioning part is used for being fixedly connected with an installation matching part on the rotary load so as to drive the rotary load to rotate through the adapter.
In an embodiment, the mounting and positioning portion includes a plurality of positioning pillars, and the positioning pillars are used for being respectively matched with the positioning holes on the rotary load in a positioning manner.
In an embodiment, the positioning columns are arranged at intervals along the rotation direction of the adapter.
In one embodiment, the positioning post is configured to be adhesively secured to the rotary load.
In a specific embodiment, the base is provided with a first mounting groove, an inner bottom wall of the first mounting groove is convexly provided with a mounting boss towards a notch, the driver is arranged in the first mounting groove, and the adaptor can be rotatably sleeved outside the mounting boss.
In a specific embodiment, the rotary scanning platform further includes an encoder and an encoding disk which are correspondingly disposed, the encoding disk is fixedly sleeved outside the mounting boss, and the encoding disk is located between an inner bottom wall of the first mounting groove and the adaptor;
the encoder is arranged at one end, close to the inner bottom wall of the first mounting groove, of the adaptor.
In a specific embodiment, the inner bottom wall of the first mounting groove is provided with a first positioning groove, and the coding disc is arranged at the first positioning groove.
In a specific embodiment, one end of the adaptor close to the inner bottom wall of the first mounting groove is provided with a second positioning groove, and the encoder is arranged at the second positioning groove.
In a specific embodiment, the rotary scanning platform further includes an optical communication circuit board and a bottom main control board, the optical communication circuit board is disposed at one end of the adaptor close to the inner bottom wall of the first mounting groove, the optical communication circuit board is used for electrically connecting the laser transceiver module, and the bottom main control board is located at one side of the adaptor far away from the optical communication circuit board;
the optical communication circuit board is provided with an optical communication emitter facing the bottom main control board, the bottom main control board is provided with an optical communication receiver facing the optical communication emitter, and an avoiding space is formed between the optical communication receiver and the optical communication emitter.
In a specific embodiment, the mounting and positioning portion is located on an outer side of the optical communication circuit board.
In a specific embodiment, a mounting column is convexly arranged at one end of the adaptor close to the inner bottom wall of the first mounting groove, and the optical communication circuit board is fixed at the mounting column through a screw connector.
In a specific embodiment, the mounting posts are provided in plurality at intervals along the rotation direction of the adaptor.
In a specific embodiment, a reinforcing boss is convexly arranged at one end of the adaptor close to the inner bottom wall of the first mounting groove, and the mounting column is arranged at the reinforcing boss.
In a specific embodiment, the base is provided with a second mounting groove, and the bottom main control board is positioned in the second mounting groove;
the optical communication receiver, the optical communication transmitter, the installation boss is in the direction of the rotation axis of adaptor is relative, the installation boss corresponds the optical communication transmitter is provided with the through-hole, the through-hole is along the direction extension of the rotation axis of adaptor, the through-hole intercommunication first mounting groove with the second mounting groove.
In a specific embodiment, the driver includes a motor, a rotor of the motor is fixedly sleeved outside the adaptor, a stator of the motor is sleeved outside the rotor, and the stator is disposed on the inner bottom wall of the first mounting groove.
In a specific embodiment, the rotary scanning platform further includes a bearing, an inner ring of the bearing is fixedly sleeved outside the mounting boss, and one end of the adaptor, which is close to the inner bottom wall of the first mounting groove, is fixedly sleeved outside an outer ring of the bearing.
In a specific embodiment, a first limiting screw connector is arranged at the joint of the mounting boss and one end of the bearing, which is far away from the inner bottom wall of the first mounting groove, and the first limiting screw connector is used for limiting the bearing in the direction of the rotation axis of the adapter.
In a specific embodiment, a second limit screw connector is arranged at a joint of one end, close to the inner bottom wall of the first mounting groove, of the bearing and the adapter, and the second limit screw connector is used for limiting the adapter in the direction of the rotation axis of the adapter.
In a specific embodiment, an annular limiting surface facing the inner bottom wall of the first mounting groove is arranged on the inner side wall of the adapter, and the annular limiting surface is abutted to the outer ring of the bearing.
The utility model also provides a laser radar, which comprises a rotary load and a rotary scanning platform;
the rotating load is provided with an installation matching part;
the rotary scanning platform is the rotary scanning platform introduced above, and the installation matching part is fixedly connected with the installation positioning part in the rotary scanning platform.
In a specific embodiment, an avoidance slot is disposed at an end of the rotary load close to the adaptor in the rotary scanning platform.
The technical scheme of the utility model among, rotatory scanning platform and the light path part among the laser radar are the modularized design, and the adaptor in the rotatory scanning platform passes through installation cooperation portion and installation location portion fixed connection with the rotatory load in the light path part, and the light path part can directly be replaced according to different demands to can realize product iteration fast.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a rotary scanning platform according to an embodiment of the present invention, in which an optical communication circuit board in the rotary scanning platform is removed;
FIG. 2 is a cross-sectional view of the rotary scanning platform of FIG. 1;
FIG. 3 is a schematic structural view of the joint of FIG. 1;
FIG. 4 is a schematic view of the connecting member shown in FIG. 3 from another perspective;
fig. 5 is a second schematic structural view of a rotary scanning platform according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a laser radar according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of the structure of the optical path portion inside the laser radar of FIG. 6;
the reference numbers indicate: the laser radar device comprises a rotary scanning platform 100, a base 1, a first mounting groove 11, a mounting boss 12, a through hole 121, a first positioning groove 13, a second mounting groove 14, a driver 2, a rotor 21, a stator 22, an adapter 3, a mounting positioning part 31, a positioning column 311, a second positioning groove 32, a mounting column 33, a reinforcing boss 34, an inner annular limiting surface 35, an optical communication circuit board 4, a bottom main control board 5, a bearing 6, a wireless power supply component 7, a magnet 71, an optical path part 200, a rotary load 210, a mounting matching part 211, a laser transceiving module 220, a top main control board 230, a filter cover 300 and a laser radar 1000.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a rotary scanning platform, this rotary scanning platform can be arranged in laser radar, and figure 1 to figure 4 do the utility model provides a rotary scanning platform's first embodiment.
Referring to fig. 1 to 3, in a first embodiment, the rotary scanning platform 100 includes a base 1, a driver 2, and an adaptor 3: the driver 2 is arranged on the base 1, and the driver 2 is in power coupling connection with the adaptor 3 and is used for driving the adaptor 3 to rotate; the adaptor 3 is provided with a mounting and positioning portion 31, and the mounting and positioning portion 31 is used for being fixedly connected with a mounting and matching portion 211 on the rotary load 210 so as to drive the rotary load 210 to rotate through the adaptor 3.
Specifically, in the conventional laser radar, the driver in the rotary scanning platform is usually directly connected to the rotary load in the optical path portion, and a bearing structure is usually disposed between the rotary load and the rotary scanning platform, so that the assembly and disassembly between the rotary scanning platform and the optical path portion in the conventional laser radar are troublesome.
Referring to fig. 1 and 7, the rotary scanning platform 100 and the optical path portion 200 in the laser radar 1000 of the present application are in a modular design, the adaptor 3 in the rotary scanning platform 100 and the rotary load 210 in the optical path portion 200 are fixedly connected to the mounting and positioning portion 31 through the mounting and matching portion 211, that is, the driver 2 and the rotary load 210 are indirectly connected through the adaptor 3, or a bearing structure in the existing laser radar may be disposed between the adaptor 3 and the rotary scanning platform 100, so that a bearing structure may not be disposed between the rotary load 210 and the rotary scanning platform 100, and thus, the rotary scanning platform 100 and the optical path portion 200 may be easily disassembled and assembled, and the optical path portion 200 may be directly replaced according to different requirements, so that product iteration can be quickly achieved.
The technical scheme of the utility model among, rotary scanning platform 100 and light path part 200 among the laser radar 1000 are the modularized design, and the rotatory load 210 in adaptor 3 among the rotary scanning platform 100 and the light path part 200 is through installation cooperation portion 211 and installation location portion 31 fixed connection, and light path part 200 can directly replace according to different demands to can realize product iteration fast.
The direction of the rotation axis of the adapter 3 is defined below as the up-down direction, and the end of the adapter 3 for connection with the rotating load 210 is the upper end of the adapter 3. Referring to fig. 1 and 7, an installation positioning portion 31 is disposed at an upper end of the adaptor 3, an installation matching portion 211 is disposed at a lower end of the rotary load 210 corresponding to the installation positioning portion 31, when the optical path portion 200 is installed on the rotary scanning platform 100, the installation positioning portion 31 is fixedly connected to the installation matching portion 211, the adaptor 3 and the rotary load 210 are generally coaxially disposed, and the driver 2 can drive the adaptor 3 and the rotary load 210 to synchronously rotate along an up-down axis, so as to drive the laser transceiver module 220 on the rotary load 210 to perform 360 ° rotary scanning.
Specifically, referring to fig. 1 and fig. 7, in the first embodiment, the installation positioning portion 31 includes a plurality of positioning posts 311, and the positioning posts 311 are used for being respectively positioned and matched with a plurality of positioning holes on the rotary load 210.
Specifically, the upper end of the adaptor 3 is provided with a plurality of positioning columns 311 extending in the vertical direction in a protruding manner, the lower end of the rotary load 210 is provided with a plurality of positioning holes with downward holes corresponding to the plurality of positioning columns 311, and when the rotary load 210 is mounted on the adaptor 3, each positioning column 311 on the adaptor 3 is inserted into a corresponding positioning hole on the rotary load 210, so that the mounting and positioning between the adaptor 3 and the rotary load 210 can be realized.
Optionally, referring to fig. 1 and fig. 7, in the first embodiment, the positioning columns 311 are arranged at intervals along the rotation direction of the adaptor 3, and correspondingly, the positioning holes on the rotary load 210 are also arranged at intervals along the rotation direction of the adaptor 3, so that the mounting and positioning between the adaptor 3 and the rotary load 210 can be better achieved.
The adaptor 3 and the rotary load 210 may be fixedly connected by a clamping structure, a magnetic attraction structure, a glue adhesion, or a screw, and optionally, in the first embodiment, the positioning column 311 is used for adhering and fixing with the rotary load 210. At least part of the positioning columns 311 is in clearance fit with the corresponding positioning holes, when the rotary load 210 is installed on the adapter 3, after each positioning column 311 on the adapter 3 is inserted into the corresponding positioning hole on the rotary load 210, glue is filled into the positioning holes, and thus the adapter 3 is bonded and fixed with the rotary load 210. Furthermore, glue may be directly filled into the upper end surface of the adaptor 3 and the lower end surface of the rotary load 210 to bond them.
For example, referring to fig. 1 and fig. 7, in the first embodiment, the positioning columns 311 on the adaptor 3 are all cylinders, and the positioning columns 311 include two first positioning columns and two second positioning columns, the two first positioning columns are opposite to each other at intervals in the first direction, and the two sides of the first positioning columns in the second direction are both provided with second positioning columns, where the first direction and the second direction are perpendicular to each other in pairs. Including first locating hole and second locating hole in a plurality of locating holes on the rotary load 210, first locating hole is the round hole, the second locating hole is the rectangular hole that extends along the second direction, through the cooperation between first locating column and the first locating hole, can realize the installation location between adaptor 3 and the rotary load 210 better, and set up the second locating hole into rectangular hole, can pack more glue in the second locating hole like this, make can bond comparatively firmly between adaptor 3 and the rotary load 210.
The driver 2 and the adaptor 3 are disposed on the base 1, and specifically, referring to fig. 1 and fig. 2, in the first embodiment, the base 1 is provided with a first mounting groove 11, an inner bottom wall of the first mounting groove 11 is convexly provided with a mounting boss 12 toward a notch, the driver 2 is disposed in the first mounting groove 11, and the adaptor 3 can be rotatably sleeved outside the mounting boss 12.
Specifically, the upper end surface of the base 1 is provided with a first mounting groove 11, a notch of the first mounting groove 11 faces upward, a mounting boss 12 is generally located in the middle of the inner bottom wall of the first mounting groove 11, and the mounting boss 12 extends in the up-down direction. The installation boss 12 is arranged in the first installation groove 11, so that the adapter 3 can be installed and positioned in the first installation groove 11. The shape of the mounting boss 12 can be set according to practical situations, for example, referring to fig. 1 and 2, in the first embodiment, the mounting boss 12 is a circular truncated cone, and the mounting boss 12 and the adaptor 3 are generally coaxially arranged.
The driver 2 is disposed in the first mounting groove 11 and can drive the adaptor 3 to rotate, the driver 2 is typically configured as a motor, and optionally, referring to fig. 1 and fig. 2, in the first embodiment, the driver 2 includes a motor, a rotor 21 of the motor is fixedly sleeved outside the adaptor 3, a stator 22 of the motor is sleeved outside the rotor 21, and the stator 22 is disposed on the inner bottom wall of the first mounting groove 11.
Specifically, the first mounting groove 11 includes a circular groove section (not shown in the drawings), the stator 22 of the motor is sleeved in the circular groove section, and the stator 22 of the motor and the circular groove section are in interference fit, so that the stator 22 of the motor can be clamped and fixed on the inner side wall of the first mounting groove 11. The lower end of the stator 22 of the motor abuts against the inner bottom wall of the first mounting groove 11. Further, the junction of the inside wall of first mounting groove 11 and the upper end of the stator 22 of motor is provided with locking screw, locking screw's afterbody and the inside wall threaded connection of first mounting groove 11, and locking screw's head and the up end butt of the stator 22 of motor to the realization is fixed a position stator 22 of motor from top to bottom.
The rotor 21 of motor is fixed cup joints outside the lower extreme of adaptor 3, and the rotor 21 of motor is interference fit with the lower extreme of adaptor 3 for the rotor 21 of motor can the joint be fixed in the lower extreme of adaptor 3. Optionally, referring to fig. 2 and 3, in the first embodiment, the lower end of the adaptor 3 is provided with an upward outer annular limiting surface (not shown in the drawings), and the lower end surface of the rotor 21 of the motor abuts against the outer annular limiting surface, so that the rotor 21 of the motor and the adaptor 3 are mounted and positioned upward and downward.
The adaptor 3 can be rotatably sleeved outside the mounting boss 12, and optionally, referring to fig. 1 and fig. 2, in the first embodiment, the rotary scanning platform 100 further includes a bearing 6, an inner ring of the bearing 6 is fixedly sleeved outside the mounting boss 12, and an end of the adaptor 3 close to the inner bottom wall of the first mounting groove 11 is fixedly sleeved outside the outer ring of the bearing 6.
Specifically, the adaptor 3 is arranged in an annular shape, and the bearing 6 is arranged between the mounting boss 12 and the adaptor 3, so that the adaptor 3 can be rotatably sleeved outside the mounting boss 12, and the adaptor 3 can be smoothly rotated.
Further, referring to fig. 2 and 4, in the first embodiment, the inner side wall of the adaptor 3 is provided with an inner annular limiting surface 35 facing the inner bottom wall of the first mounting groove 11, and the inner annular limiting surface 35 abuts against the outer ring of the bearing 6. The inside wall of adaptor 3 is provided with spacing face 35 of interior annular down, and the upper end butt of the spacing face 35 of interior annular and the outer lane of bearing 6 to the installation location of the outer lane of realizing bearing 6 and adaptor 3 from top to bottom upwards.
Optionally, in the first embodiment, a first limit screw (not shown in the drawings) is disposed at a connection between one end of the bearing 6 away from the inner bottom wall of the first mounting groove 11 and the mounting boss 12, and is used for limiting the bearing 6 in the direction of the rotation axis of the adaptor 3.
Specifically, the first limit screw may be a screw or the like, and the upper end surface of the inner ring of the bearing 6 is flush with the upper end surface of the mounting boss 12, or the upper end surface of the inner ring of the bearing 6 is located above the upper end surface of the mounting boss 12. First spacing screwed joint sets up in the up end of installation boss 12, the head of first spacing screwed joint and the up end butt of the inner circle of bearing 6, the lower terminal surface of the inner circle of bearing 6 and the interior diapire butt of first mounting groove 11 to the realization is spacing in the upper and lower to the inner circle of bearing 6.
Optionally, in the first embodiment, a second limit screw (not shown in the figures) is arranged at the connection of the end of the bearing 6 close to the inner bottom wall of the first mounting groove 11 and the adaptor 3, and is used for limiting the adaptor 3 in the direction of the rotation axis of the adaptor 3.
Specifically, the second limit screw may be a screw or the like, and the lower end surface of the outer ring of the bearing 6 is flush with the lower end surface of the adaptor 3, or the lower end surface of the outer ring of the bearing 6 is located below the lower end surface of the adaptor 3. The second limit screw connector is arranged on the lower end face of the adapter 3, the head of the second limit screw connector is abutted against the lower end face of the outer ring of the bearing 6, and the upper end face of the outer ring of the bearing 6 is abutted against the inner annular limit face 35, so that the outer ring of the bearing 6 is limited in the up-down direction.
Optionally, referring to fig. 2, in the first embodiment, the rotary scanning platform 100 further includes an optical communication circuit board 4 and a bottom main control board 5, the optical communication circuit board 4 is disposed at one end of the adaptor 3 close to the inner bottom wall of the first mounting groove 11, the optical communication circuit board 4 is used for electrically connecting the laser transceiver module 220, and the bottom main control board 5 is located at one side of the adaptor 3 away from the optical communication circuit board 4; the optical communication circuit board 4 is provided with an optical communication transmitter (not shown in the figure) facing the bottom main control board 5, the bottom main control board 5 is provided with an optical communication receiver (not shown in the figure) facing the optical communication transmitter, and an avoidance space (not shown in the figure) is formed between the optical communication receiver and the optical communication transmitter.
Specifically, the optical communication circuit board 4 and the bottom main control board 5 are respectively located above and below the adaptor 3, and the optical communication circuit board 4 and the bottom main control board 5 are vertically opposite. The optical communication circuit board 4 is fixedly mounted on the upper end of the adaptor 3, and the optical communication circuit board 4 can be electrically connected with the laser transceiver module 220 through pins, flexible flat cables and the like. For example, referring to fig. 7, the rotary load 210 is provided with a laser transceiver module 220 and a top main control board 230, and the optical communication circuit board 4 is electrically connected to the laser transceiver module 220 through the top main control board 230.
The lower board surface of the optical communication circuit board 4 is provided with an optical communication transmitter, the upper board surface of the bottom main control board 5 is provided with an optical communication receiver, and the optical communication receiver and the optical communication transmitter can penetrate through a reserved avoidance space to carry out optical communication. The collected data of the light path part 200 can be transmitted to the rotary scanning platform 100 sequentially through the top main control board 230, the optical communication circuit board 4, the optical communication transmitter, the optical communication receiver and the bottom main control board 5, so that the collected data can be transmitted to the outside through the rotary scanning platform 100.
The optical communication circuit board 4 is fixedly mounted on the upper end of the adaptor 3, and optionally, referring to fig. 1 to 3, in the first embodiment, a mounting column 33 is convexly disposed on one end of the adaptor 3 close to the inner bottom wall of the first mounting groove 11, the optical communication circuit board 4 is fixed at the mounting column 33 by a screw,
specifically, the upper end of the adaptor 3 is provided with a mounting post 33 extending in the vertical direction, and the optical communication circuit board 4 is fixed to the mounting post 33 by screwing a screw such as a screw through the optical communication circuit board 4 and screwing the screw to the mounting post 33. The mounting posts 33 are usually provided in plural at intervals along the rotation direction of the adaptor 3.
Optionally, referring to fig. 1 to 3, in the first embodiment, a reinforcing boss 34 is convexly disposed at an end of the adaptor 3 close to the inner bottom wall of the first mounting groove 11, and the mounting post 33 is disposed at the reinforcing boss 34. A reinforcing boss 34 is provided at the upper end of the adaptor 3, and the mounting post 33 is provided at the upper end face of the reinforcing boss 34, which can increase the strength of the adaptor 3 where it is used to fix the optical communication circuit board 4. The reinforcing boss 34 may be provided with one and extend along the rotation direction of the adaptor 3, and the plurality of mounting posts 33 are all provided on the one reinforcing boss 34; the reinforcing bosses 34 may also be provided in plural corresponding to the plural mounting posts 33, each mounting post 33 being provided on a corresponding reinforcing boss 34.
Alternatively, referring to fig. 1 to 3, in the first embodiment, the mounting and positioning portion 31 is located at the outer side of the optical communication circuit board 4, so that the optical communication circuit board 4 is not prone to interfere with the fixed mounting between the connector 3 and the rotating load 210. Specifically, in the first embodiment, the plurality of mounting posts 33 are located inside the plurality of positioning posts 311.
The bottom main control board 5 is located below the adaptor 3, and specifically, referring to fig. 2, in the first embodiment, the base 1 is provided with a second installation groove 14, and the bottom main control board 5 is located in the second installation groove 14; the optical communication receiver, the optical communication transmitter and the mounting boss 12 are opposite to each other in the direction of the rotation axis of the adaptor 3, the mounting boss 12 is provided with a through hole 121 corresponding to the optical communication transmitter, the through hole 121 extends along the direction of the rotation axis of the adaptor 3, and the through hole 121 communicates the first mounting groove 11 and the second mounting groove 14.
Specifically, the lower end surface of the base 1 is provided with a second mounting groove 14, and a notch of the second mounting groove 14 faces downward. The first mounting groove 11 and the second mounting groove 14 are communicated through a through hole 121 extending up and down, and the through hole 121 constitutes a part of an avoidance space between the optical communication receiver and the optical communication transmitter.
Optionally, referring to fig. 2, in the first embodiment, a wireless power supply assembly (not shown in the figure) is disposed in the second mounting groove 14, the wireless power supply assembly is located above the bottom main control board 5, and the wireless power supply assembly is electrically connected to the bottom main control board 5 and the optical communication circuit board 4, and wireless power supply of the optical path portion 200 can be achieved through the arrangement of the wireless power supply assembly.
The laser radar 1000 is generally provided with a code wheel mechanism, through which the rotation angle of the rotary load 210 can be acquired, and optionally, in the first embodiment, the rotary scanning platform 100 further includes a correspondingly arranged encoder (not shown in the drawings) and a code wheel (not shown in the drawings), the code wheel is fixedly sleeved outside the mounting boss 12, and the code wheel is located between the inner bottom wall of the first mounting groove 11 and the adaptor 3; the encoder is arranged at one end of the adaptor 3 close to the inner bottom wall of the first mounting groove 11.
Specifically, the coding dish sets up on the interior diapire of first mounting groove 11, and the upper end of coding dish is provided with a plurality of dentate structures along adaptor 3's direction of rotation interval, and the encoder corresponds the coding dish and sets up in adaptor 3's lower extreme, and the encoder can be through bonding, set up modes such as spiro union piece and fix on adaptor 3's lower terminal surface to the encoder electricity connects optical communication circuit board 4 or bottom main control board 5. Can drive the encoder at adaptor 3 and follow the rotatory in-process of code dish, through the cooperation of encoder and the dentate structure on the code dish, realize the collection of rotatory load 210 rotation angle.
The patterns of the encoder and the encoding disk can be set according to actual conditions, for example, the encoder and the encoding disk can form a correlation type code wheel mechanism, a reflection type code wheel mechanism and the like.
Optionally, in the first embodiment, the inner bottom wall of the first mounting groove 11 is provided with the first positioning groove 13, the code disc is disposed at the first positioning groove 13, and the installation and positioning of the code disc on the inner bottom wall of the first mounting groove 11 can be realized through the arrangement of the first positioning groove 13. Furthermore, the first positioning groove 13 is generally shaped to fit the lower end of the code wheel.
Optionally, referring to fig. 4, in the first embodiment, a second positioning groove 32 is disposed at one end of the adaptor 3 close to the inner bottom wall of the first mounting groove 11, the encoder is disposed at the second positioning groove 32, and the second positioning groove 32 is disposed on the lower end surface of the adaptor 3, so that the encoder can be mounted and positioned on the lower end surface of the adaptor 3. Also, the second detent 32 is generally form-fitting to the upper end of the encoder.
Referring to fig. 5, fig. 5 is a diagram illustrating a second embodiment of a rotary scanning platform according to the present invention.
Optionally, referring to fig. 5, in the second embodiment, the adaptor 3 is disposed in a cylindrical shape, and the optical communication circuit board 4 is located in the adaptor 3. Specifically, the adaptor 3 is provided in a cylindrical shape extending in the vertical direction, the inner sidewall of the upper end of the adaptor 3 is provided with a mounting post 33, and the optical communication circuit board 4 is fixedly mounted at the mounting post 33 so as to dispose the optical communication circuit board 4 in the upper end of the adaptor 3. Moreover, the installation positioning portion 31 is disposed on the upper end surface of the adaptor 3, so that the installation positioning portion 31 is located above the optical communication circuit board 4, and the optical communication circuit board 4 is not prone to interfere with the fixed connection between the adaptor 3 and the rotating load 210.
Further, referring to fig. 5, in the second embodiment, the bottom main control board 5 is located in the first mounting groove 11, and the bottom main control board 5 is located below the adaptor 3.
Further, optionally, referring to fig. 5, in the second embodiment, the wireless power supply assembly 7 is located in the first mounting groove 11, and the wireless power supply assembly 7 is located between the adaptor 3 and the bottom main control board 5.
Optionally, referring to fig. 5, in the second embodiment, a magnet 71 is disposed between the adaptor 3 and the bottom main control board 5, the magnet 71 is disposed in a cylindrical shape extending along the vertical direction, the wireless power supply assembly 7 is sleeved outside the magnet 71, and the arrangement of the magnet 71 can increase the optical communication speed.
Optionally, referring to fig. 5, in the second embodiment, the adaptor 3 can be rotatably connected to an inner side wall of the first mounting groove 11 of the base 1. Specifically, the bearing 6 is located in the first mounting groove 11, an inner ring of the bearing 6 is sleeved outside the adaptor 3, and an outer ring of the bearing 6 is sleeved on the inner side wall of the first mounting groove 11.
Optionally, referring to fig. 5, in a second embodiment, the driver 2 is a motor, the driver 2 is located in the first installation groove 11 and below the bearing 6, a rotor 21 of the motor is fixedly sleeved outside the adaptor 3, a stator 22 of the motor is sleeved outside the rotor 21, and the stator 22 of the motor is sleeved on an inner side wall of the first installation groove 11.
Alternatively, referring to fig. 5, in the second embodiment, the adaptor 3 includes an upper portion (not shown in the figure) and a lower portion (not shown in the figure) which are connected up and down, the upper portion of the adaptor 3 is connected to the optical communication circuit board 4, the upper portion of the adaptor 3 is provided with the mounting and positioning portion 31, and the lower portion of the adaptor 3 is connected to the bearing 6 and the driver 2. The upper part and the lower part of the adapter 3 can be integrally formed, and the upper part and the lower part of the adapter 3 can also be detachably connected, for example, the upper part and the lower part of the adapter 3 are fixedly connected in a buckling structure, a screw connector and the like.
The utility model also provides a laser radar, this laser radar can be single line laser radar, multi-line laser radar etc. and figure 6 to figure 7 do the utility model provides a laser radar's an embodiment.
Referring to fig. 6 and 7, in the present embodiment, the laser radar 1000 includes a rotary scanning platform 100 and a rotary load 210; the rotary load 210 is provided with an installation matching part 211; the rotary scanning platform 100 is the rotary scanning platform 100 as described above, and the mounting matching portion 211 is fixedly connected to the mounting positioning portion 31 in the rotary scanning platform 100.
Specifically, the laser radar 1000 includes a light path portion 200, the light path portion 200 includes a rotary load 210 and a laser transceiver module 220, the rotary load 210 is fixedly connected to the adaptor 3 in the rotary scanning platform 100, and the driver 2 in the rotary scanning platform 100 can drive the adaptor 3 and the rotary load 210 to rotate along an up-down axis synchronously, so as to drive the laser transceiver module 220 on the rotary load 210 to perform 360 ° rotary scanning. The rotary scanning platform 100 and the optical path portion 200 are in a modular design, and the optical path portion 200 can be directly replaced according to different requirements, so that product iteration can be quickly realized.
Optionally, referring to fig. 7, in this embodiment, a top main control board 230 is disposed at an upper end of the rotary load 210, the top main control board 230 is electrically connected to the laser transceiver module 220 and the optical communication circuit board 4 in the rotary scanning platform 100, and the optical communication circuit board 4 and the top main control board 230 are disposed to enable communication connection between the rotary scanning platform 100 and the optical path portion 200.
The adaptor 3 and the rotary load 210 may be fixedly connected by a clamping structure, a magnetic attraction structure, a glue adhesion or a screw fastener, or the like, and optionally, referring to fig. 7, in this embodiment, a positioning hole is formed in a lower end surface of the rotary load 210 corresponding to the positioning post 311 on the adaptor 3, and the mounting matching portion 211 includes the positioning hole.
Optionally, in this embodiment, an avoiding groove (not shown in the drawings) is provided at an end of the rotary load 210 close to the adaptor 3 in the rotary scanning platform 100, a screw is installed at the mounting column 33 on the adaptor 3, an avoiding groove with a downward notch is provided at a lower end surface of the rotary load 210, and the avoiding groove on the rotary load 210 is used for accommodating a head of the screw at the mounting column 33.
Specifically, in the present embodiment, the avoiding groove extends along the rotation direction of the rotating load 210, and there may be one avoiding groove, and the heads of the screw connectors at the plurality of mounting posts 33 are all accommodated in the one avoiding groove; the avoiding groove may be provided in plural corresponding to the plural mounting posts 33, and the head of the screw connector at each mounting post 33 is accommodated in the corresponding avoiding groove.
Optionally, referring to fig. 6, in the present embodiment, the laser radar 1000 further includes a filter mask 300, the filter mask 300 is covered outside the light path portion 200, and the filter mask 300 is detachably connected to the base 1 in the rotary scanning platform 100. Thus, the filter mask 300 can be directly replaced according to different requirements.
The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (10)
1. A rotary scanning platform, comprising a base, a driver and an adaptor:
the driver is arranged on the base, and the driver is in power coupling connection with the adapter and is used for driving the adapter to rotate;
the adapter is provided with an installation positioning part, and the installation positioning part is used for being fixedly connected with an installation matching part on the rotary load so as to drive the rotary load to rotate through the adapter.
2. The rotary scanning platform as claimed in claim 1, wherein the mounting and positioning portion comprises a plurality of positioning posts, and the positioning posts are used for being respectively positioned and matched with a plurality of positioning holes on the rotary load.
3. The rotary scanning platform of claim 2, wherein the positioning posts are configured to be adhesively secured to the rotary load.
4. The rotary scanning platform according to any one of claims 1 to 3, wherein the base is provided with a first mounting groove, an inner bottom wall of the first mounting groove is convexly provided with a mounting boss towards a notch, the driver is arranged in the first mounting groove, and the adaptor is rotatably sleeved outside the mounting boss.
5. The rotary scanning platform of claim 4, further comprising a corresponding encoder and a corresponding code disc, wherein the code disc is fixedly sleeved outside the mounting boss, and the code disc is located between an inner bottom wall of the first mounting groove and the adaptor;
the encoder is arranged at one end, close to the inner bottom wall of the first mounting groove, of the adapter.
6. The rotary scanning platform of claim 4, further comprising an optical communication circuit board and a bottom main control board, wherein the optical communication circuit board is disposed at one end of the adaptor close to the inner bottom wall of the first mounting groove, the optical communication circuit board is electrically connected to the laser transceiver module, and the bottom main control board is disposed at one side of the adaptor away from the optical communication circuit board;
the optical communication circuit board is provided with an optical communication emitter facing the bottom main control board, the bottom main control board is provided with an optical communication receiver facing the optical communication emitter, and an avoidance space is formed between the optical communication receiver and the optical communication emitter.
7. The rotary scanning platform of claim 6, wherein a mounting post is protruded from an end of the adaptor near the inner bottom wall of the first mounting groove, and the optical communication circuit board is fixed to the mounting post by a screw.
8. The rotating scanning platform of claim 4, further comprising a bearing, wherein an inner ring of the bearing is fixedly sleeved outside the mounting boss, and an end of the adaptor near the inner bottom wall of the first mounting groove is fixedly sleeved outside an outer ring of the bearing.
9. The rotary scanning platform of claim 8, wherein a first limit screw is disposed at a connection between one end of the bearing far from the inner bottom wall of the first mounting groove and the mounting boss, and the first limit screw is used for limiting the bearing in a direction of a rotation axis of the adapter; and/or the presence of a gas in the gas,
the bearing is close to the joint of the inner bottom wall of the first mounting groove and the adaptor, and a second limiting screw connector is arranged at the joint of the inner bottom wall of the first mounting groove and the adaptor and used for limiting the adaptor in the direction of the rotation axis of the adaptor.
10. The laser radar is characterized by comprising a rotary load and a rotary scanning platform;
the rotating load is provided with an installation matching part;
the rotary scanning platform is as claimed in any one of claims 1 to 9, and the installation matching portion is fixedly connected to an installation positioning portion in the rotary scanning platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123253755.7U CN217181208U (en) | 2021-12-22 | 2021-12-22 | Rotary scanning platform and laser radar |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123253755.7U CN217181208U (en) | 2021-12-22 | 2021-12-22 | Rotary scanning platform and laser radar |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115575927A (en) * | 2022-10-25 | 2023-01-06 | 山东莱恩光电科技股份有限公司 | Laser radar device with modular structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115575927A (en) * | 2022-10-25 | 2023-01-06 | 山东莱恩光电科技股份有限公司 | Laser radar device with modular structure |
| CN115575927B (en) * | 2022-10-25 | 2023-10-13 | 山东莱恩光电科技股份有限公司 | Laser radar device with modularized structure |
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