A launch carrier assembly and lidar

Abstract

The application discloses a kind of launch bearing assembly and laser radar, launch bearing assembly includes: limiting slot, for installing launch lens;First point glue groove is used to be fixed in the launch lens installed in limiting slot in launch bearing assembly by point glue;Emission light source chip limiting slot is rectangular, for installing emission light source chip;Emission light source circuit board installation slot is circular, its diameter is greater than the diameter of emission light source chip limiting slot, for installing emission light source circuit board below emission light source chip;Light hole is circularly arranged in the center of launch bearing assembly, its diameter is less than or equal to emission light source chip limiting slot, for emission light beam to pass through;Positioning hole is arranged on one side of launch bearing assembly, for emission light source flexible circuit board to pass through, and emission light source flexible circuit board is positioned.Guarantee that launch bearing assembly is stably positioned and installed to launch lens, emission light source chip and emission light source circuit board, simplify optical path calibration step, realize the technical effect of strong stability and easy integration.

Description

Technical Field

[0001] This application relates to the field of laser emission, specifically to an emission carrier component and a lidar. Background Technology

[0002] LiDAR, as a sensor that uses laser beams to measure the distance and other characteristics of targets, is disclosed in Chinese patent application number "202010538279.4", entitled "A recharge docking system and laser docking method". This patent application discloses the application scheme of LiDAR in mobile robots finding charging docks for charging. LiDAR is widely used in autonomous driving, robot navigation, 3D mapping and other fields.

[0003] Currently, traditional lidar transmitting modules suffer from several problems, including low assembly precision of optical components leading to optical axis misalignment, design flaws in the dispensing groove causing glue overflow or bonding failure, large space occupation due to discrete structures, lack of guidance during circuit board assembly causing skewness, and the lack of dedicated limiting channels on flexible circuit boards making them susceptible to damage or obstruction of the optical path. Existing improvement solutions, while attempting to enhance positioning accuracy, increase component costs and fail to address the requirements of process controllability and system integration, thus hindering the miniaturization and reliability development of lidar. Therefore, there is an urgent need to develop a high-precision, highly stable, and easily integrated transmitting carrier component and lidar system. Utility Model Content

[0004] This application provides a transmitting support assembly, the specific technical solution of which includes: three sets of limiting grooves evenly distributed in an equilateral triangle for installing a transmitting lens and limiting it within the transmitting support assembly; three sets of first dispensing grooves staggered between the three sets of limiting grooves for dispensing and fixing the transmitting lens installed in the limiting groove within the transmitting support assembly; a rectangular limiting groove for installing a transmitting light source chip; a circular mounting groove for a transmitting light source circuit board for mounting the transmitting light source circuit board below the transmitting light source chip; a circular light-transmitting hole located at the center of the transmitting support assembly, with a diameter less than or equal to that of the transmitting light source chip limiting groove, for allowing the emitted light beam to pass through; and a positioning hole located on one side of the transmitting support assembly for allowing the flexible circuit board of the transmitting light source to pass through, thereby limiting the position of the flexible circuit board of the transmitting light source.

[0005] Furthermore, the transmitting support assembly further includes: a limiting groove and a first dispensing groove disposed on the upper end face of the transmitting support assembly, and a limiting groove for the transmitting light source chip and a mounting groove for the transmitting light source circuit board disposed on the lower end face of the transmitting support assembly; wherein, the upper end face and the lower end face of the transmitting support assembly are separated by a light-transmitting hole, with the upper end face of the transmitting support assembly being above the light-transmitting hole and the lower end face being below the light-transmitting hole.

[0006] Furthermore, the diameter of the upper end face of the launch carrier component is larger than the diameter of the lower end face of the launch carrier component, and the launch carrier component has a draft characteristic of being larger at the top and smaller at the bottom.

[0007] Furthermore, a protruding limiting ring is provided on the outer periphery of the upper end face of the launch carrier component.

[0008] Furthermore, circuit board limiting ribs are evenly distributed inside the lower end face of the transmitting carrier component, so that the transmitting light source circuit board is guided and interference-fitted when assembled in the transmitting light source circuit board mounting slot based on the circuit board limiting ribs.

[0009] This application also discloses a lidar comprising: a transmitting device; wherein the transmitting device includes: a transmitting lens, a transmitting light source chip, a transmitting light source circuit board, a transmitting light source flexible circuit board, and a transmitting support assembly as described in any of the preceding claims; the transmitting lens is mounted and confined within a limiting groove of the transmitting support assembly, and is fixed to the upper end face of the transmitting support assembly by dispensing adhesive based on a first dispensing groove; the transmitting light source chip is mounted and confined within a transmitting light source chip limiting groove; the transmitting light source circuit board is mounted and confined within a transmitting light source circuit board mounting groove; the transmitting light source flexible circuit board is connected to the transmitting light source circuit board and passes through the limiting groove via a positioning hole in the transmitting support assembly.

[0010] Furthermore, the lidar also includes: a receiving device; wherein the receiving device includes: a filter for filtering the received optical signal; a receiving lens, which is in the shape of a hollow frustum and has a positioning post thereon for focusing the received optical signal onto the receiving chip; a base, which has a receiving limiting groove and a receiving dispensing groove for mounting the receiving lens, wherein the positioning post of the receiving lens cooperates with the receiving limiting groove of the base for mounting, and the receiving lens is fixed to the base by dispensing adhesive based on the receiving dispensing groove; a buckle is provided at the bottom of the base, and the base is mounted on the receiving circuit board by the buckle. The receiving chip is mounted on the receiving circuit board for receiving optical signals; the assembly distance between the receiving chip and the receiving lens is less than or equal to 100 mm; and the receiving circuit board is mounted on the bottom of the base.

[0011] Furthermore, the transmitting support assembly and the receiving lens of the receiving device are installed using an interference fit method; the transmitting support assembly is assembled in the hollow cavity of the receiving lens, and the transmitting support assembly forms an interference fit with the receiving lens based on a protruding limiting ring, with the protruding limiting ring covering part of the receiving lens.

[0012] Furthermore, the transmitting support assembly also includes: a positioning block; a positioning groove is provided inside the receiving lens; the transmitting support assembly is assembled based on the positioning block and the positioning groove inside the receiving lens, so that the flexible circuit board of the transmitting light source faces the specified direction.

[0013] Furthermore, the transmitting carrier assembly also includes: a second dispensing groove for fixing the transmitting carrier assembly to the receiving lens by dispensing adhesive; the filter of the receiving device is provided with a light-blocking dispensing groove for cooperating with the second dispensing groove on the transmitting carrier assembly, so that the filter is fixed to the upper end face of the transmitting carrier assembly by dispensing adhesive.

[0014] The transmitting support component and lidar described in this application, based on the limiting function of slots such as the limiting slot, the limiting slot for the transmitting light source chip, and the mounting slot for the transmitting light source circuit board, in conjunction with the first dispensing slot, ensure the stable limiting installation of the transmitting support component on the transmitting lens, the transmitting light source chip, and the transmitting light source circuit board, simplify the optical path calibration steps required before dispensing, improve the overall structural stability, and achieve the technical effects of strong stability and easy integration. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of the launch carrier assembly according to one embodiment of this application.

[0016] Figure 2 This is a bottom view of the launch carrier assembly according to one embodiment of this application.

[0017] Figure 3 This is a schematic diagram of the structure of the launching device according to one embodiment of this application.

[0018] Figure 4 This is a bottom view of the radar base according to one embodiment of this application.

[0019] Figure 5 This is a schematic diagram of the wire clamping seat according to one embodiment of this application.

[0020] Figure 6 This is a schematic diagram of the structure of a lidar according to one embodiment of this application. Detailed Implementation

[0021] The following will be combined with the appendix Figures 1 to 6 The embodiments of this application will be described in detail below. It should be understood that the specific embodiments described below are only for explaining this application and are not intended to limit this application.

[0022] The first embodiment of this application provides a launch carrier assembly 12. For example... Figure 1 and Figure 2 As shown, the transmitting carrier assembly 12 includes: a limiting groove 121, a first adhesive dispensing groove 122, a transmitting light source chip limiting groove 131, a transmitting light source circuit board mounting groove 141, a light transmission hole 123, and a positioning hole 124. Specifically,

[0023] The limiting grooves 121 are provided in three sets, evenly distributed in an equilateral triangle, for installing the emitting lens 11 and limiting it within the emitting support assembly 12. The three sets of limiting grooves 121 are distributed at an angle of 120° on the emitting support assembly 12, ensuring that the emitting lens 11 can be stably limited inside the emitting support assembly 12 after installation, preventing the emitting lens 11 from shifting or loosening during use.

[0024] The first dispensing groove 122 has three sets, which are staggered among the three sets of limiting grooves 121. It is used to dispense and fix the emitting lens 11 installed in the limiting groove into the emitting support assembly 12. The design of the first dispensing groove 122 makes the dispensing operation between the emitting support assembly 12 and the emitting lens 11 more convenient during production. After dispensing, the emitting lens 11 can be firmly fixed in the emitting support assembly 12, improving the overall structural stability.

[0025] The emitting light source chip limiting slot 131 is rectangular in design and is used to install the emitting light source chip 13. The rectangular design of the emitting light source chip limiting slot 131 matches the shape of the emitting light source chip 13, ensuring that the emitting light source chip 13 can be accurately positioned and installed in the emitting support assembly 12.

[0026] The mounting slot 141 for the emitting light source circuit board is circular, with a diameter larger than that of the emitting light source chip limiting slot 131. It is used to mount the emitting light source circuit board 14 below the emitting light source chip 13. The circular design of the mounting slot 141 matches the shape of the emitting light source circuit board 14, ensuring that the emitting light source circuit board 14 can be securely mounted in the emitting support assembly 12 and form a good electrical connection with the emitting light source chip 13.

[0027] The light-transmitting aperture 123 is circular and located at the center of the emitting support assembly 12. Its diameter is less than or equal to the limiting groove 131 of the emitting light source chip, and it is used to allow the emitted light beam to pass through. The design of the light-transmitting aperture 123 ensures that the light beam emitted by the emitting light source chip 13 can pass smoothly through the emitting support assembly 12 and be focused and emitted by the emitting lens 11.

[0028] The positioning hole 124 is disposed on one side of the transmitting support assembly 12 for the transmitting light source flexible circuit board 15 to pass through, thereby limiting the position of the transmitting light source flexible circuit board 15. The design of the positioning hole 124 allows the transmitting light source flexible circuit board 15 to pass through the transmitting support assembly 12 along a predetermined path, while also limiting the position of the transmitting light source flexible circuit board 15 to prevent displacement or damage during use.

[0029] As one embodiment of this application, such as Figure 1 and Figure 2As shown, the transmitting support assembly 12 further includes: a limiting groove and a first dispensing groove 122 disposed on the upper end face of the transmitting support assembly 12, and a transmitting light source chip limiting groove 131 and a transmitting light source circuit board mounting groove 141 disposed on the lower end face of the transmitting support assembly 12; wherein, the upper end face and the lower end face of the transmitting support assembly 12 are separated by a light-transmitting hole 123, with the upper end face of the transmitting support assembly 12 above the light-transmitting hole 123 and the lower end face of the transmitting support assembly 12 below the light-transmitting hole 123. The diameter of the upper end face of the transmitting support assembly 12 is larger than the diameter of the lower end face of the transmitting support assembly 12, and the transmitting support assembly 12 has a draft characteristic of being larger at the top and smaller at the bottom. This embodiment, by designing the transmitting support assembly 12 as a tapered design that is wider at the top and narrower at the bottom, reduces the area occupied by the effective light-transmitting surface, while facilitating the mold processing and product demolding of the transmitting support assembly 12, making the overall structure more compact and improving space utilization.

[0030] As one embodiment of this application, a launching device is provided. For example... Figure 3 As shown, the transmitting device includes: a transmitting lens 11, a transmitting light source chip 13, a transmitting light source circuit board 14, a transmitting light source flexible circuit board 15, and a transmitting carrier assembly 12 as described in any of the above embodiments. Specifically,

[0031] The emitting lens 11 is installed and confined within the limiting groove of the emitting support assembly 12, and is fixed to the upper end face of the emitting support assembly 12 by dispensing adhesive through the first dispensing groove 122. During the installation process of the emitting lens 11, the emitting lens 11 is first placed on the upper end face of the emitting support assembly 12 to match the three sets of limiting grooves, and then fixed by dispensing adhesive through the first dispensing groove 122 to ensure that the emitting lens 11 is firmly fixed to the upper end face of the emitting support assembly 12.

[0032] The emitting light source chip 13 is installed and confined within the emitting light source chip positioning groove 131. During the installation process, the emitting light source chip 13 is placed within the emitting light source chip positioning groove 131 on the lower end face of the emitting support assembly 12, so that it matches the shape of the positioning groove, ensuring that the emitting light source chip 13 can be accurately positioned and installed within the emitting support assembly 12.

[0033] The emitting light source circuit board 14 is installed and confined within the emitting light source circuit board mounting slot 141. During the installation of the emitting light source circuit board 14, the emitting light source circuit board 14 is placed in the emitting light source circuit board mounting slot 141 on the lower end face of the emitting support assembly 12, so that it matches the shape of the mounting slot, ensuring that the emitting light source circuit board 14 can be stably installed in the emitting support assembly 12.

[0034] The flexible circuit board 15 of the emitting light source is connected to the circuit board 14 of the emitting light source. The flexible circuit board 15 passes through the positioning hole 124 of the emitting support assembly 12 and is limited in position. During the installation process of the flexible circuit board 15, the flexible circuit board 15 of the emitting light source is first connected to the circuit board 14 of the emitting light source, and then the flexible circuit board 15 of the emitting light source is passed through the positioning hole 124 of the emitting support assembly 12, so that it can be connected to the external circuit according to a predetermined path. At the same time, the positioning hole 124 limits the flexible circuit board 15 of the emitting light source to prevent it from being displaced or damaged during use.

[0035] As one embodiment of this application, such as Figure 2 and Figure 3 As shown, the emitting light source chip 13 is mounted on the emitting light source circuit board 14. The emitting light source chip 13 and the emitting light source circuit board 14 are integrally assembled on the lower end face of the emitting support assembly 12. The lower end face of the emitting support assembly 12 has evenly distributed circuit board limiting ribs 125. Based on the circuit board limiting ribs 125, the emitting light source circuit board 14 is guided by the ribs and subjected to interference fit. The design of the circuit board limiting ribs 125 enables the emitting light source circuit board 14 to be accurately positioned and installed in the emitting support assembly 12. At the same time, the interference fit ensures a more secure connection between the emitting light source circuit board 14 and the emitting support assembly 12, improving the stability of the overall structure.

[0036] In one embodiment of this application, a light-shielding layer is coated on the bottom of the emitting light source circuit board 14. The light-shielding layer may be, but is not limited to, a light-blocking paint layer or a physical light-shielding plate. The design of the light-shielding layer can effectively prevent light leakage from the bottom of the emitting light source circuit board 14 and prevent it from interfering with the receiving device, thereby improving the light utilization rate and avoiding stray light interference with other components, thus improving the overall performance.

[0037] As one embodiment of this application, a receiving device is provided. The receiving device includes: a filter, a receiving lens 21, a base 22, a receiving chip 23, and a receiving circuit board 24. Specifically,

[0038] The filter is used to filter the received optical signal to filter out unwanted light bands and allow only specific wavelengths of light signals to pass through, thereby improving the quality and accuracy of the received signal.

[0039] like Figure 3As shown, the receiving lens 21 is in the shape of a hollow frustum, with a positioning post on it for focusing the received optical signal onto the receiving chip 23. The hollow frustum design of the receiving lens 21 not only effectively focuses the optical signal but also provides installation space for other components, improving space utilization. The positioning post design allows the receiving lens 21 to be accurately positioned and mounted on the base 22, ensuring that the optical signal is accurately focused onto the receiving chip 23.

[0040] The base 22 is provided with a receiving limiting groove and a receiving dispensing groove for installing the receiving lens 21. The positioning post of the receiving lens 21 is installed in conjunction with the receiving limiting groove of the base 22. The receiving lens 21 is fixed to the base 22 by dispensing adhesive based on the receiving dispensing groove. The design of the base 22 enables the receiving lens 21 to be stably installed on the base 22. At the same time, the dispensing fixation method ensures that the connection between the receiving lens 21 and the base 22 is more secure, thereby improving the stability of the overall structure.

[0041] The receiving chip 23 is mounted on the receiving circuit board 24 and is used to receive optical signals. The receiving chip 23 can convert the received optical signals into electrical signals for subsequent processing and analysis. The receiving circuit board 24 is assembled on the bottom of the base 22.

[0042] In one embodiment of this application, the distance between the receiving chip 23 and the receiving lens 21 is less than or equal to 100 mm, so that the light signal focused by the receiving lens 21 can be accurately projected onto the receiving chip 23, thereby improving the quality and accuracy of the received signal.

[0043] As one embodiment of this application, such as Figure 4 As shown, the bottom of the base 22 is provided with a buckle 221, and the base 22 is fastened to the receiving circuit board 24 by the buckle 221. The design of the buckle 221 makes it easy to install the base 22 on the receiving circuit board 24, while ensuring that the connection between the base 22 and the receiving circuit board 24 is firm and reliable, and facilitates maintenance and replacement.

[0044] As one embodiment of this application, a lidar is provided. The lidar includes: a transmitting device as described in any of the preceding embodiments and a receiving device as described in any of the preceding embodiments; wherein, the transmitting support assembly 12 of the transmitting device and the receiving lens 21 of the receiving device are mounted using an interference fit. The interference fit makes the connection between the transmitting support assembly 12 and the receiving lens 21 more robust, improves the stability of the overall structure, and reduces assembly errors while improving assembly accuracy.

[0045] As one embodiment of this application, such as Figure 1 and Figure 3As shown, a protruding limiting ring 126 is provided on the outer periphery of the top of the transmitting carrier assembly 12. The transmitting carrier assembly 12 is assembled into the hollow part of the receiving lens 21, and the transmitting carrier assembly 12 forms an interference fit with the receiving lens 21 based on the protruding limiting ring 126. The protruding limiting ring 126 partially covers the receiving lens 21. The design of the protruding limiting ring 126 not only ensures a more secure interference fit between the transmitting carrier assembly 12 and the receiving lens 21, but also partially covers the receiving lens 21, preventing stray light from interfering with the receiving lens 21 and improving the quality and accuracy of the received signal.

[0046] As one embodiment of this application, such as Figure 1 As shown, the transmitting carrier assembly 12 also includes a positioning block 127; the receiving lens 21 has a positioning groove inside; the transmitting carrier assembly 12 is assembled based on the positioning block 127 and the positioning groove inside the receiving lens 21, so that the emitting light source flexible circuit board 15 faces the specified direction. The cooperative design of the positioning block 127 and the positioning groove enables the transmitting carrier assembly 12 to be accurately positioned and installed inside the receiving lens 21, while ensuring that the emitting light source flexible circuit board 15 faces the specified direction, which facilitates connection with external circuits and improves assembly efficiency and reliability.

[0047] As one embodiment of this application, such as Figure 4 As shown, the transmitter carrier assembly 12 further includes a second adhesive dispensing groove 128, used to fix the transmitter carrier assembly 12 to the receiver lens 21 by dispensing adhesive. The design of the second adhesive dispensing groove 128 enables the transmitter carrier assembly 12 to be firmly fixed to the receiver lens 21 by dispensing adhesive, further improving the stability of the overall structure.

[0048] In one embodiment of this application, the filter is provided with a light-blocking adhesive groove, which cooperates with the second adhesive groove 128 on the transmitter carrier assembly 12, so that the filter is fixed to the upper surface of the transmitter carrier assembly 12 by adhesive dispensing. The cooperative design of the light-blocking adhesive groove and the second adhesive groove 128 allows the filter to be firmly fixed to the upper surface of the transmitter carrier assembly 12 by adhesive dispensing, while also blocking light to prevent stray light from interfering with the received signal, thereby improving the quality and accuracy of the received signal.

[0049] As one embodiment of this application, the filter is disposed on the upper end face of the emission carrier component 12, and the filter and the emission carrier component 12 are integrally injection molded, which simplifies the assembly process of the filter and the emission carrier component 12 in the production process. Through the integral injection molding process, the filter can be fixedly configured on the upper end face of the emission carrier component 12, and precise assembly can be achieved without additional angle matching.

[0050] As one embodiment of this application, such as Figure 6As shown, the lidar also includes: a lidar cover 3, a rotating mirror mount 4, a lidar base 22, and a dust cover 5. Specifically,

[0051] The radar base 22 serves as the base 22 for the receiving device, and the transmitting device and the receiving device are mounted on the radar base 22 after forming a transmitting and receiving assembly.

[0052] The rotating mirror mount 4 is positioned between the radar cover 3 and the transmitting and receiving components to enable the rotation of the lens mounted thereon. The design of the rotating mirror mount 4 allows the lens to rotate on the rotating mirror mount 4, enabling scanning in different directions and improving the scanning range and accuracy of the lidar.

[0053] The radar cover 3 is installed on the radar base 22 to cover the rotating mirror mount 4 and the transmitting and receiving components. The design of the radar cover 3 can effectively protect the rotating mirror mount 4 and the transmitting and receiving components, prevent damage to them from the external environment, and improve the service life and reliability of the lidar.

[0054] The dust cover 5 is installed on the radar base 22 and is used to cover the area not covered by the radar cover 3 on the radar base 22. The dust cover 5 is designed to effectively prevent dust and debris from entering the lidar, keeping the lidar clean and improving its service life and reliability.

[0055] As one embodiment of this application, such as Figure 6 As shown, the mirror mounted on the rotating mirror base 4 includes: an emission filter 16, a receiving filter 26, and a refractor 31. The refractor 31 forms an angle of 45° to 90° with the horizontal plane, used to refract the emitted light beam emitted through the emission lens 11. The emission filter 16 is mounted on the rotating mirror base 4 at an angle other than 90° with the horizontal plane. The design of the refractor 31 allows the emitted light beam to be refracted at a predetermined angle, enabling scanning in different directions and improving the scanning range and accuracy of the lidar. The design of the emission filter 16 and the receiving filter 26 filters out unwanted light bands, allowing only specific wavelengths of light signals to pass through, improving the quality and accuracy of the emitted signal.

[0056] As one embodiment of this application, such as Figure 6 As shown, the lidar further includes: a light shield 27, an annular grille, and a bearing 28. The light shield 27 is mounted on the lidar base 22 and is used to block stray light from the outside of the receiving lens 21. An annular grille is arranged around the light shield 27, and the bearing 28 is mounted on the outside of the annular grille in a fitted manner. The design of the light shield 27 effectively prevents stray light from interfering with the receiving lens 21, improving the quality and accuracy of the received signal. The design of the annular grille and bearing 28 allows the rotating mirror base 4 to rotate stably, reducing vibration and noise, and improving the scanning accuracy and reliability of the lidar.

[0057] As one embodiment of this application, such as Figure 4 and Figure 5 As shown, a wire clamping seat 17 is provided at the center line of the lens on the bottom surface of the radar base 22. The wire clamping seat 17 is used to limit and fix the flexible circuit board 15 of the transmitting light source according to a preset path. The radar base 22 has a locking groove 222, and the wire clamping seat 17 has a locking part 171 that matches the locking groove 222. The wire clamping seat 17 is installed on the bottom surface of the radar base 22 through the locking part 171. The design of the wire clamping seat 17 enables the flexible circuit board 15 of the transmitting light source to be limited and fixed according to the preset path, preventing displacement or damage during use and improving the stability and reliability of the overall structure.

[0058] As one embodiment of this application, such as Figure 6 As shown, the lidar also includes a motor 61, a pulley 62, and a belt 63. Specifically, the motor 61 is disposed on the bottom surface of the lidar base 22 and provides power for the rotation of the lidar's rotating mirror mount 4; the pulley 62 is disposed on the opposite side of the bottom surface of the lidar base 22 relative to the output shaft of the motor 61; the belt 63 is fitted onto the belt mounting area formed by the outer groove of the pulley 62 and the outer groove of the rotating mirror mount 4. The design of the motor 61, pulley 62, and belt 63 enables the rotating mirror mount 4 to rotate stably under the drive of the motor 61, achieving scanning in different directions and improving the scanning range and accuracy of the lidar.

[0059] As one embodiment of this application, such as Figure 6 As shown, the lidar further includes a shielding cover 25 disposed between the wire clamp 17 and the receiving circuit board. The shielding cover 25 is configured with a protruding cavity structure. The protruding cavity structure of the shielding cover 25 shields the periphery of the receiving chip 23. In this embodiment, the protruding cavity feature of the shielding cover 25 can shield and cover the periphery of the receiving chip 23 to prevent stray light in the environment from interfering with the reception.

[0060] Although embodiments of this application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of this application. The scope of this application is defined by the appended claims and their equivalents. The above descriptions are merely preferred embodiments of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A launch carrier assembly, characterized in that, The launch carrier component includes: The limiting groove has three sets, evenly distributed in an equilateral triangle, used to install the transmitting lens and limit it within the transmitting support assembly; The first dispensing groove has three sets, which are staggered between the three sets of limiting grooves. It is used to dispense and fix the emitting lens installed in the limiting groove into the emitting carrier assembly. The emitter chip positioning slot is rectangular and used to mount the emitter chip. The mounting slot for the emitting light source circuit board is circular, and its diameter is larger than the diameter of the limiting slot for the emitting light source chip. It is used to mount the emitting light source circuit board below the emitting light source chip. A light-passing aperture, circular in shape, is located at the center of the emitting carrier component. Its diameter is less than or equal to the limiting groove of the emitting light source chip, and is used to allow the emitted light beam to pass through. A positioning hole is provided on one side of the transmitting support assembly to allow the flexible circuit board of the transmitting light source to pass through, thereby limiting the position of the flexible circuit board of the transmitting light source.

2. The launch carrier assembly according to claim 1, characterized in that, The transmitting support assembly further includes: a limiting groove and a first dispensing groove disposed on the upper end face of the transmitting support assembly; and a transmitting light source chip limiting groove and a transmitting light source circuit board mounting groove disposed on the lower end face of the transmitting support assembly; wherein... The upper and lower surfaces of the transmitter carrier component are separated by a light-transmitting hole. The area above the light-transmitting hole is the upper surface of the transmitter carrier component, and the area below the light-transmitting hole is the lower surface of the transmitter carrier component.

3. The launch carrier assembly according to claim 2, characterized in that, The diameter of the upper end face of the launch carrier component is larger than the diameter of the lower end face of the launch carrier component, and the launch carrier component has a draft characteristic of being larger at the top and smaller at the bottom.

4. The launch carrier assembly according to claim 3, characterized in that, The outer periphery of the upper end face of the launch carrier component is provided with a protruding limiting ring.

5. The launch carrier assembly according to claim 4, characterized in that, The lower end face of the emitting carrier component has evenly distributed circuit board limiting ribs, so that when the emitting light source circuit board is assembled in the emitting light source circuit board mounting slot, it is guided by the ribs and interference fits.

6. A lidar, characterized in that, The lidar includes: a transmitting device; The transmitting device includes: a transmitting lens, a transmitting light source chip, a transmitting light source circuit board, a transmitting light source flexible circuit board, and a transmitting support assembly as described in any one of claims 1 to 5; the transmitting lens is installed and confined within the limiting groove of the transmitting support assembly, and is fixed to the upper end face of the transmitting support assembly by dispensing adhesive based on the first dispensing groove; the transmitting light source chip is installed and confined within the transmitting light source chip limiting groove; the transmitting light source circuit board is installed and confined within the transmitting light source circuit board mounting groove; the transmitting light source flexible circuit board is connected to the transmitting light source circuit board and passes through the limiting groove via the positioning hole of the transmitting support assembly.

7. The lidar according to claim 6, characterized in that, The lidar further includes: a receiving device; wherein the receiving device includes: An optical filter is used to filter received optical signals. The receiving lens is in the shape of a hollow frustum, with a positioning post on it, which is used to focus the received light signal onto the receiving chip. The base has a receiving limiting groove and a receiving dispensing groove for installing the receiving lens. The positioning post of the receiving lens is installed in conjunction with the receiving limiting groove of the base, and the receiving lens is fixed to the base by dispensing adhesive based on the receiving dispensing groove. The bottom of the base has a buckle, and the base is installed on the receiving circuit board by the buckle. A receiving chip, mounted on a receiving circuit board, is used to receive optical signals; the assembly distance between the receiving chip and the receiving lens is less than or equal to 100 mm; The receiving circuit board is mounted on the bottom of the base.

8. The lidar according to claim 7, characterized in that, The transmitting support assembly and the receiving lens of the receiving device are installed using an interference fit method; the transmitting support assembly is assembled in the hollow cavity of the receiving lens, and the transmitting support assembly forms an interference fit with the receiving lens based on a protruding limiting ring, which partially covers the receiving lens.

9. The lidar according to claim 7, characterized in that, The transmitting support assembly further includes: a positioning block; a positioning groove is provided inside the receiving lens; the transmitting support assembly is assembled based on the positioning block and the positioning groove inside the receiving lens, so that the flexible circuit board of the transmitting light source faces the specified direction.

10. The lidar according to claim 7, characterized in that, The transmitting carrier assembly also includes: a second dispensing groove for fixing the transmitting carrier assembly to the receiving lens by dispensing adhesive; and a light-blocking dispensing groove on the filter of the receiving device for cooperating with the second dispensing groove on the transmitting carrier assembly so that the filter is fixed to the upper end face of the transmitting carrier assembly by dispensing adhesive.

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