CN214623024U - Laser radar light path modular structure - Google Patents
Laser radar light path modular structure Download PDFInfo
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- CN214623024U CN214623024U CN202022850040.9U CN202022850040U CN214623024U CN 214623024 U CN214623024 U CN 214623024U CN 202022850040 U CN202022850040 U CN 202022850040U CN 214623024 U CN214623024 U CN 214623024U
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Abstract
The utility model provides a laser radar light path modular structure through carrying out the modularized design to the laser radar light path, can simplify processing, the assembly and debugging process of whole laser radar light path, improves light path assembly and debugging precision and assembly and debugging efficiency, is applicable to laser radar mass production. This laser radar light path modular structure includes: the device comprises a light path packaging sleeve, a light source connecting assembly, a collimating mirror A assembly, a collimating mirror B assembly, a plywood assembly and a focusing mechanism; the focusing mechanism comprises a focusing mirror assembly and a focusing driving mechanism; the light source connecting assembly is used for connecting a laser light source and is coaxially arranged at one axial end of the light path packaging sleeve; the collimating lens A assembly, the collimating lens B assembly, the focusing lens assembly and the plywood assembly are sequentially and coaxially arranged inside the light path packaging sleeve, wherein the collimating lens A assembly is positioned at the connecting end of the light source connecting assembly; the focusing driving mechanism is used for driving the focusing lens component to move along the axis of the optical path packaging sleeve so as to realize focusing.
Description
Technical Field
The utility model belongs to the mechanical design field, in particular to laser radar light path modular structure and processing method thereof.
Background
The laser radar has extremely wide application in the field of large-scale equipment and part detection. In the process of measuring a measured object by using a laser radar, a laser source emits laser, the laser sequentially passes through a collimating lens A, a collimating lens B, a focusing lens and a cemented lens to be reflected on the surface of a reflecting mirror, and finally is emitted to the surface of the measured object, so that the measurement of the measured object is completed, and the light path of the laser radar is shown in figure 1. In order to improve the measurement accuracy, focusing operation needs to be carried out at different measurement distances, the coaxial accuracy requirement is high when each mirror is installed, a set of focusing structure is designed, the focusing accuracy is high, and the focusing structure is convenient and reliable to install and adjust.
The collimating lens A and the collimating lens B are used for collimating the emergent light beam of the laser light source, the focusing lens is used for focusing the light beam at different measuring distances in the measuring process, the veneer lens is used for converging the light beam, the reflector is used for turning the light beam, the direction of the emergent light beam can be adjusted by rotating the reflector, and the measuring range is enlarged.
Look up relevant patent, there is relevant focusing mechanism in the current patent, but the driving method all adopts the rotating electrical machines, transmission mode through belt, turbine worm realizes, the belt has elasticity in the belt drive, and the phenomenon of skidding appears easily, turbine worm transmission is because the turbine worm is gapped, although reasonable mechanical design can effectual reduction clearance, but can not get rid of, because laser radar focusing process required precision is high, therefore these transmission modes can not be suitable for in laser radar focusing structural design. In addition, the laser radar requires that each lens is coaxial, and is difficult to realize by being close to the machining precision guarantee, so when mechanical design is carried out, structural installation and adjustment need to be considered simultaneously, a corresponding adjusting structure is designed, in order to guarantee feasibility and high efficiency of the whole installation and adjustment, the adjusting structure needs to be adjusted conveniently, and the installation and adjustment of each component need to be fully considered in the whole structure design. Therefore, how to realize feasibility and high efficiency of overall structural design, processing and adjustment of the laser radar is a technical problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a laser radar light path modular structure through carrying out the modularized design to the laser radar light path, can simplify processing, the installation and debugging process of whole laser radar light path, improves light path installation and debugging precision and installation and debugging efficiency, is applicable to laser radar mass production.
The technical scheme of the utility model is that: a lidar optical path modular structure comprising: the device comprises a light path packaging sleeve, a light source connecting assembly, a collimating mirror A assembly, a collimating mirror B assembly, a plywood assembly and a focusing mechanism; the focusing mechanism comprises a focusing mirror assembly and a focusing driving mechanism;
the light source connecting assembly is used for connecting a laser light source and is coaxially arranged at one axial end of the light path packaging sleeve; the collimating mirror A assembly, the collimating mirror B assembly, the focusing mirror assembly and the plywood assembly are sequentially and coaxially mounted inside the light path packaging sleeve, wherein the collimating mirror A assembly is located at the connecting end of the light source connecting assembly; the focusing driving mechanism is used for driving the focusing lens assembly to move along the axis of the light path packaging sleeve so as to realize focusing.
As a preferred mode of the present invention: the central hole of the light path packaging sleeve is a stepped hole with two steps, and a shaft section A, a shaft section B and a shaft section C are sequentially arranged from the end with the larger aperture to the end with the smaller aperture; the shaft section A is used for mounting a cemented mirror assembly, the shaft section B is used for mounting a focusing mirror assembly, and the shaft section C is used for mounting a collimating mirror A assembly and a collimating mirror B assembly; the inner circumferential surfaces of the shaft section A, the shaft section B and the shaft section C are coaxial.
As a preferred mode of the present invention: the focusing driving mechanism is a linear motor; the focus adjustment mirror assembly includes: the focusing support, the focusing lens compression nut and the focusing lens sleeve are arranged on the focusing support;
the power output end of the linear motor is connected with the focusing support and is used for driving the focusing support to move along the axial direction of the light path packaging sleeve; the focusing support is used as a mounting support of the focusing lens sleeve and extends into a shaft section B of the optical path packaging sleeve from a strip-shaped hole in the outer circumference of the optical path packaging sleeve, and the strip-shaped hole is a motion channel of the focusing lens assembly;
the focusing lens sleeve is coaxial with the inner circumferential surface of the optical path packaging sleeve shaft section B, and the focusing lens is coaxially pressed in the focusing lens sleeve by the focusing lens pressing nut.
As a preferred mode of the present invention: the power output end of the linear motor is connected with the focusing support through a focusing lens adjusting sheet, and the coaxiality of the focusing lens, the collimating lens A assembly, the collimating lens B assembly and the plywood assembly is adjusted through adjusting the thickness of the focusing lens adjusting sheet.
As a preferred mode of the present invention: the light source connection assembly includes: a light source joint and a light source support cylinder; the light source joint is used for fixing a laser light source, the light source joint is fixed at one end of the light source supporting cylinder through a joint compression nut, and the other end of the light source supporting cylinder is coaxially and fixedly connected with the light path packaging sleeve; and the distance between the laser light source and the collimating mirror A component is ensured by repairing and grinding the end surface of the light source supporting cylinder.
As a preferred mode of the present invention: the collimating mirror A assembly A comprises: the collimating lens A comprises a gland nut, a collimating lens A and a collimating lens A sleeve; the collimating mirror B assembly comprises: a collimator B compression nut, a collimator B and a collimator B sleeve;
the collimating mirror sleeve and the collimating mirror B sleeve are coaxially sleeved in a central hole of a shaft section C of the light path packaging sleeve, wherein one end of the collimating mirror A sleeve is coaxially opposite to the collimating mirror B sleeve, and the other end of the collimating mirror A sleeve is tightly pressed by a collimating mirror assembly compression nut; the other end of the sleeve of the collimating mirror B is axially positioned through a shaft shoulder in a shaft section C of the light path packaging sleeve;
the collimating mirror A is coaxially compressed in the collimating mirror A sleeve by the collimating mirror A compression nut; and the collimator lens B is coaxially pressed on the sleeve of the collimator lens B by the compression nut of the collimator lens B.
As a preferred mode of the present invention: the glue mirror assembly comprises: the cemented mirror, the cemented mirror sleeve and the cemented mirror gland nut;
the cemented lens sleeve is coaxially sleeved in a central hole of the optical path packaging sleeve shaft section A, one end of the cemented lens sleeve is pressed by the cemented lens cone gland nut, and the other end of the cemented lens sleeve is axially positioned by a shaft shoulder on the inner circumferential surface of the shaft section A; the cemented mirror compression nut coaxially compresses the cemented mirror in the cemented mirror sleeve.
As a preferred mode of the present invention: and a motor base of the linear motor is fixedly connected with the outer circumferential surface of the light path packaging sleeve.
Has the advantages that:
(1) each subassembly encapsulation in the laser radar light path forms modular structure in a sleeve, can make laser radar light path dress transfer convenient, the precision is high, has simplified processing, the dress of whole laser radar light path and has transferred the process, has improved light path dress transfer precision and dress transfer efficiency, is applicable to laser radar mass production.
(2) The focusing mechanism is driven by a linear motor, so that the precision requirement in the focusing process of the laser radar can be ensured, and the structure is simplified.
(3) When the laser radar light path modular structure is machined, key parts adopt a centering turning machining process to ensure the coaxiality of the lenses and the sleeve, and each lens group is provided with a corresponding adjusting piece to ensure the distance between the lenses.
Drawings
FIG. 1 is a schematic diagram of a laser radar light path;
FIG. 2 is a schematic diagram of the light path modular structure of the laser radar tube of the present invention;
fig. 3 is a cross-sectional view of fig. 2.
Wherein: 1-light source connector; 2-fitting compression nuts; 3-light source support cylinder; 4-the collimator assembly gland nut; 5-the collimating lens A compresses the nut; 6-a collimating mirror A; 7-collimator lens A sleeve; 8-collimator lens B sleeve; 9-the collimating mirror B compresses the nut; 10-a collimating mirror B; 11-a focusing support; 12-a focusing mirror; 13-a focusing lens compression nut; 14-a focusing lens sleeve; 15-optical path encapsulation sleeve; 16-a cemented mirror; 17-a cemented mirror sleeve; 18-a cemented mirror gland nut; 19-gluing the barrel compression nut; 20-a focusing lens adjusting sheet; 21-linear motor
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
The embodiment provides a laser radar light path modular structure which is simple to process, convenient to assemble and debug and high in assembling and debugging precision.
As shown in fig. 2 and 3, the lidar optical path modular structure includes: the light path packaging sleeve 15, the light source connecting assembly, the collimating mirror A assembly, the collimating mirror B assembly, the plywood assembly and the focusing mechanism. The light source connecting assembly is arranged at one axial end of the light path packaging sleeve 15, and the collimating lens A assembly, the collimating lens B assembly, the focusing mechanism and the plywood assembly are sequentially and coaxially arranged inside the light path packaging sleeve 15; the focus mechanism is capable of translation along the axis of the optical path encapsulation sleeve 15 to achieve focus adjustment.
Wherein light source coupling assembling includes: a light source joint 1 and a light source support tube 3;
the collimating mirror A assembly comprises: the collimating lens A comprises a collimating lens A compression nut 5, a collimating lens A6 and a collimating lens A sleeve 7;
the collimating mirror B assembly comprises: a collimator B compression nut 9, a collimator B10 and a collimator B sleeve 8;
the glued mirror assembly includes: a cemented mirror 16, a cemented mirror sleeve 17, and a cemented mirror gland nut 18;
the focusing mechanism includes: focusing support 11, focusing mirror 12, focusing mirror gland nut 13, focusing mirror sleeve 14, focusing mirror adjustment sheet 20 and linear motor 21.
The light path packaging sleeve 15 is a main frame of the modular structure, a central hole of the light path packaging sleeve is a stepped hole with two steps, and a shaft section A, a shaft section B and a shaft section C are sequentially arranged from the end with the larger aperture to the end with the smaller aperture, wherein the shaft section A is used for mounting a cemented mirror assembly, the shaft section B is used for mounting a focusing mechanism, and the shaft section C is used for mounting a collimating mirror assembly (comprising a collimating mirror A assembly and a collimating mirror B assembly); strip-shaped holes are processed at two opposite ends of the circumferential surface of the shaft section B along the axial direction of the shaft section B and are used as a motion channel of the focusing mechanism. When the optical path encapsulation sleeve 15 is processed, it is necessary to ensure that the inner circumferential surfaces of the positions where the collimator lens a sleeve 7 and the collimator lens B sleeve 8 are installed (i.e., the inner circumferential surface of the shaft segment C) are coaxial with the inner circumferential surface where the cemented mirror sleeve 17 is installed (i.e., the inner circumferential surface of the shaft segment a), and the coaxiality of the two inner circumferential surfaces directly affects the coaxiality of the collimator lens a6, the collimator lens B10 and the cemented mirror 16.
The light source connecting assembly is used for connecting a laser light source, wherein the light source connector 1 is used for fixing the laser light source, the light source connector 1 is fixed at one end of the light source supporting cylinder 3 through the connector compression nut 2, and the other end of the light source supporting cylinder 3 is fixedly connected with the shaft section C of the light path packaging sleeve 15 through a screw. The length of the light source support tube 3 is determined by the design distance between the laser light source and the collimating mirror A6, and the distance between the laser light source and the collimating mirror A6 is ensured by grinding the end face of the light source support tube 3.
The collimating mirror A component and the collimating mirror B component are coaxially and tightly installed in a central hole of a shaft section C of the light path packaging sleeve 15 through a collimating mirror component compression nut 4; the sleeve 7 of the collimating mirror A and the sleeve 8 of the collimating mirror B are coaxially sleeved in a central hole of a shaft section C of the light path packaging sleeve 15, one end of the sleeve 7 of the collimating mirror A is coaxially opposite to the sleeve 8 of the collimating mirror B, and the other end of the sleeve 7 of the collimating mirror A is tightly pressed by a gland nut 4 of the collimating mirror assembly; the other end of the sleeve 8 of the collimating mirror B is axially positioned through a shaft shoulder in the shaft section C of the light path packaging sleeve 15. The collimating lens A6 is fixed in the collimating lens A sleeve 7 by the collimating lens A gland nut 5 (namely, one end of the collimating lens A6 is compacted by the collimating lens A gland nut 5, and the other end is axially positioned by a shaft shoulder on the inner circumferential surface of the collimating lens A sleeve 7); when the sleeve 7 of the collimating mirror A is machined, an inner hole of the sleeve 7 of the collimating mirror A is machined firstly, after the collimating mirror A6 is fixed in the sleeve 7 of the collimating mirror A through the gland nut 5 of the collimating mirror A, the outer circumferential surface of the sleeve 7 of the collimating mirror A is machined in a centering and turning process, and measurement is carried out while machining, so that the collimating mirror A6 is ensured to be coaxial with the sleeve 7 of the collimating mirror A.
The collimating mirror B assembly is arranged at the rear side of the collimating mirror A assembly in the central hole of the shaft section C of the light path packaging sleeve 15 (the side where the light source connector 1 is positioned is the front side), wherein the collimating mirror B sleeve 8 is coaxially sleeved in the central hole of the shaft section C of the light path packaging sleeve 15, and the collimating mirror B10 is fixed in the collimating mirror B sleeve 8 by the collimating mirror B gland nut 9 (namely, one end of the collimating mirror B10 is compacted by the collimating mirror B gland nut 9, and the other end of the collimating mirror B sleeve 8 is axially positioned by a shaft shoulder on the inner circumferential surface of the collimating mirror B sleeve 8); when the sleeve 8 of the collimating mirror B is processed, an inner hole of the sleeve 8 of the collimating mirror B is processed firstly, after the collimating mirror B10 is fixed in the sleeve 8 of the collimating mirror B by the compression nut 9 of the collimating mirror B, the outer circumferential surface of the sleeve 8 of the collimating mirror B is processed by adopting a centering and turning process, and measurement is carried out while processing, so that the collimating mirror B10 is ensured to be coaxial with the sleeve 8 of the collimating mirror B.
The adhesive lens assembly is coaxially arranged in a central hole of a shaft section A of the light path packaging sleeve 15; wherein, the cemented lens sleeve 17 is coaxially sleeved in the central hole of the shaft section A of the optical path packaging sleeve 15, one end of the cemented lens sleeve 17 is pressed by the cemented lens cone gland nut 19, and the other end is axially positioned by the shaft shoulder of the inner circumferential surface of the shaft section A; the cemented mirror 16 is fixed in the cemented mirror sleeve 17 by the cemented mirror gland nut 18 (i.e. one end of the cemented mirror 16 is compressed by the cemented mirror gland nut 18, and the other end is axially limited by a shaft shoulder on the inner circumferential surface of the cemented mirror sleeve 17); when the cemented mirror sleeve 17 is processed, an inner hole is firstly processed, after the cemented mirror 16 is fixed in the cemented mirror sleeve 17 by the cemented mirror gland nut 18, the outer circumferential surface of the cemented mirror sleeve 17 is processed by adopting a centering car process, and measurement is carried out while processing, so that the cemented mirror 16 and the cemented mirror sleeve 17 are ensured to be coaxial.
The coaxiality of each lens and the sleeve corresponding to the lens can be easily ensured by adopting a processing mode of a centering car, and the inner circumferential surfaces of all parts of the optical path packaging sleeve 15 are coaxial by processing, so that the coaxiality of the collimating lens A6, the collimating lens B10 and the cemented mirror 16 is ensured; when the collimator lens is installed, the collimator lens component B is installed firstly, then the collimator lens component A is installed, and finally the plywood component is installed; due to processing deviation, the distance between the collimating mirror A6 and the collimating mirror B10 is ensured by repairing and grinding the end face of the collimating mirror A sleeve 7, and the distance between the cemented mirror 16 and the collimating mirror B10 is ensured by repairing and grinding the end face of the cemented mirror sleeve 17 in the same way.
The focusing mechanism except the linear motor 21 is arranged in the central hole of the shaft section B of the light path packaging sleeve 15; wherein the linear motor 21 is installed outside the optical path encapsulation sleeve 15, and a motor base of the linear motor 21 is fixedly connected with the outer circumferential surface of the optical path encapsulation sleeve 15; the power output end of the linear motor 21 is connected with the focusing support 11 through the focusing lens adjusting sheet 20, so as to drive the focusing support 11 to move along the axial direction of the optical path packaging sleeve 15. The focusing support 11 is used as a mounting support of a focusing lens sleeve 14 and extends into the light path packaging sleeve 15 from a strip-shaped hole on the outer circumference of a shaft section B of the light path packaging sleeve 15; the focusing lens sleeve 14 is coaxial with the optical path packaging sleeve 15 shaft section B, and the focusing lens 12 is fixed in the focusing lens sleeve 14 by the focusing lens gland nut 13 (namely, one end of the focusing lens 12 is compressed by the focusing lens gland nut 13, and the other end is axially limited by a shaft shoulder on the inner circumferential surface of the focusing lens sleeve 14). The thickness of the focusing lens adjusting sheet 20 is adjusted by lapping the focusing lens adjusting sheet 20, so that the focusing lens 12 is coaxial with the collimating lens A6, the collimating lens B10 and the cemented lens 16 in the whole focusing movement range, and the coaxiality of the lenses is ensured.
In the modular structure, the coaxiality of the collimating mirror A6 and the collimating mirror A sleeve 7, the coaxiality of the collimating mirror B10 and the collimating mirror B sleeve 8, and the coaxiality of the cemented mirror 16 and the cemented mirror sleeve 17 are ensured by a centering lathe process, and the coaxiality of the whole three components is ensured by the coaxiality processing precision of the optical path packaging sleeve 15 and the inner circumferential surfaces of the collimating mirror A sleeve 7, the collimating mirror B sleeve 8 and the cemented mirror sleeve 17. The coaxiality of the focusing lens 12 and the other lenses is ensured by the trimming of the focusing lens adjusting sheet 20.
This laser radar light path modular structure fully considers processing and debugging technology in the design process, and each parts course of working is simple, and the machining precision obtains guaranteeing, and when the structure was debugged, corresponding dress was transferred partly had all been designed to every lens, can guarantee the installation accuracy of each lens through repairing and grinding relevant adjusting part, finally guarantees whole light path module dress and transfers the precision.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. The laser radar light path modular structure is characterized in that: the method comprises the following steps: the device comprises a light path packaging sleeve (15), a light source connecting assembly, a collimating mirror A assembly, a collimating mirror B assembly, a cemented mirror assembly and a focusing mechanism; the focusing mechanism comprises a focusing mirror assembly and a focusing driving mechanism;
the light source connecting assembly is used for connecting a laser light source and is coaxially arranged at one axial end of the light path packaging sleeve (15); the collimating mirror A assembly, the collimating mirror B assembly, the focusing mirror assembly and the plywood assembly are sequentially and coaxially mounted inside the light path packaging sleeve (15), wherein the collimating mirror A assembly is located at the connecting end of the light source connecting assembly; the focusing driving mechanism is used for driving the focusing lens assembly to move along the axis of the light path packaging sleeve (15) so as to realize focusing.
2. The lidar optical path modular structure of claim 1, wherein: the central hole of the light path packaging sleeve (15) is a stepped hole with two steps, and a shaft section A, a shaft section B and a shaft section C are sequentially arranged from the end with the larger aperture to the end with the smaller aperture; the shaft section A is used for mounting a cemented mirror assembly, the shaft section B is used for mounting a focusing mirror assembly, and the shaft section C is used for mounting a collimating mirror A assembly and a collimating mirror B assembly; the inner circumferential surfaces of the shaft section A, the shaft section B and the shaft section C are coaxial.
3. The lidar optical path modular structure of claim 2, wherein: the focusing driving mechanism is a linear motor (21); the focus adjustment mirror assembly includes: the focusing device comprises a focusing bracket (11), a focusing lens (12), a focusing lens compression nut (13) and a focusing lens sleeve (14);
the power output end of the linear motor (21) is connected with the focusing support (11) and is used for driving the focusing support (11) to move along the axial direction of the light path packaging sleeve (15); the focusing support (11) is used as a mounting support of the focusing lens sleeve (14), and extends into the shaft section B of the light path packaging sleeve (15) from a strip-shaped hole in the outer circumference of the light path packaging sleeve (15), and the strip-shaped hole is a motion channel of the focusing lens assembly;
the focusing lens sleeve (14) is coaxial with the inner circumferential surface of the shaft section B of the optical path packaging sleeve (15), and the focusing lens compression nut (13) is used for coaxially compressing the focusing lens (12) in the focusing lens sleeve (14).
4. The lidar optical path modular structure of claim 3, wherein: the power output end of the linear motor (21) is connected with the focusing support (11) through a focusing lens adjusting sheet (20), and the coaxiality of the focusing lens (12) and the collimating lens A assembly, the collimating lens B assembly and the plywood assembly is adjusted through adjusting the thickness of the focusing lens adjusting sheet (20).
5. The lidar optical path modular structure of claim 1, 2, 3, or 4, wherein: the light source connection assembly includes: the light source joint (1) and the light source support cylinder (3); the light source connector (1) is used for fixing a laser light source, the light source connector (1) is fixed at one end of the light source support cylinder (3) through a connector compression nut (2), and the other end of the light source support cylinder (3) is coaxially and fixedly connected with the light path packaging sleeve (15); and the distance between the laser light source and the collimating mirror A component is ensured by repairing and grinding the end surface of the light source support cylinder (3).
6. The lidar optical path modular structure of claim 2, 3, or 4, wherein: the collimating mirror A assembly comprises: a collimator A compression nut (5), a collimator A (6) and a collimator A sleeve (7); the collimating mirror B assembly comprises: a collimator B compression nut (9), a collimator B (10) and a collimator B sleeve (8);
the collimating mirror A sleeve (7) and the collimating mirror B sleeve (8) are coaxially sleeved in a central hole of a shaft section C of the light path packaging sleeve (15), wherein one end of the collimating mirror A sleeve (7) is coaxially opposite to the collimating mirror B sleeve (8), and the other end of the collimating mirror A sleeve (7) is tightly pressed through a collimating mirror assembly pressing nut (4); the other end of the sleeve (8) of the collimating mirror B is axially positioned through a shaft shoulder in a shaft section C of the light path packaging sleeve (15);
the collimator A compression nut (5) coaxially compresses a collimator A (6) in the collimator A sleeve (7); and the collimator lens B compression nut (9) coaxially compresses a collimator lens B (10) on the collimator lens B sleeve (8).
7. The lidar optical path modular structure of claim 2, 3, or 4, wherein: the glue mirror assembly comprises: a cemented lens (16), a cemented lens sleeve (17), a cemented lens gland nut (18) and a cemented lens barrel gland nut (19);
the cemented lens sleeve (17) is coaxially sleeved in a central hole of a shaft section A of the optical path packaging sleeve (15), one end of the cemented lens sleeve (17) is pressed by the cemented lens cone pressing nut (19), and the other end of the cemented lens sleeve is axially positioned by a shaft shoulder on the inner circumferential surface of the shaft section A; the cemented mirror compression nut (18) coaxially compresses the cemented mirror (16) in the cemented mirror sleeve (17).
8. The lidar optical path modular structure of claim 3 or 4, wherein: and a motor base of the linear motor (21) is fixedly connected with the outer circumferential surface of the light path packaging sleeve (15).
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|---|---|---|---|
| CN202022850040.9U CN214623024U (en) | 2020-12-02 | 2020-12-02 | Laser radar light path modular structure |
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| CN202022850040.9U CN214623024U (en) | 2020-12-02 | 2020-12-02 | Laser radar light path modular structure |
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