High-performance line structure light generator for 3D visual sensor

Abstract

The utility model provides a high-performance line structure light generator for a 3D vision sensor, and belongs to the technical field of 3D vision. The high-performance line structure light generator for the 3D visual sensor comprises a mounting base, a laser assembly is arranged in the mounting base, a light spot lens is arranged on one side of the mounting base, the mounting base comprises a first shell and a second shell, a lock catch groove is formed in the top of the second shell, an insertion groove is formed in one side of the second shell, and the first shell and the second shell are connected through the insertion groove. The light spot lens comprises a lens frame, a diffractive optical element is fixedly installed in the middle of the inner side of the lens frame, an insertion block is fixedly installed on one side of the lens frame, a fixing groove is formed in one side of the insertion block, and the fixing groove is connected with the lock catch mechanism in a clamped mode. And different light spot lenses can be replaced as required, so that the device can emit structured light spots with different shapes, and the practical value is relatively high.

Description

Technical Field

[0001] The utility model relates to the technical field of 3D vision, and in particular to a high-performance line structured light generator for a 3D vision sensor. Background Art

[0002] We live in a three-dimensional space, and how to intelligently perceive and explore the external environment has always been a hot topic. 2D vision technology has achieved achievements beyond human cognition with the help of powerful computer vision and deep learning algorithms, while 3D vision has been at the forefront of research due to issues such as algorithm modeling and environmental dependence. Traditional 2D vision technology projects three-dimensional information onto a two-dimensional plane, thus losing the depth information of the object. In 3D vision technology, the depth information of the object can be obtained through structured light. Structured light is to project a known pattern onto an object from a known angle, such as straight lines, grids, and more complex patterns projected onto the object for measurement.

[0003] For example, a Chinese patent with publication number CN217007868U discloses a high-performance linear structured light generator for a 3D vision sensor, comprising a placement tube with openings at both ends and a shell detachably mounted on the placement tube, wherein the shell and the placement tube have a coaxial mounting channel, a laser tube is mounted on one end of the mounting channel away from the placement tube, an aspheric lens is mounted on one end of the mounting channel close to the placement tube, a Powell prism is arranged in the placement tube, and the placement tube also has an adjustment structure for adjusting the angle of the Powell prism;

[0004] The technical solution recorded in this proposal effectively improves the processing effect of stray light by adding an aperture, can effectively improve the brightness uniformity of line structured light, and optimize stray light.

[0005] However, this solution can only emit linear light spots, and in actual use, multiple types of light spot patterns are required, so it is not convenient to use.

[0006] Therefore, in view of this, the existing structure and deficiencies are studied and improved, and a high-performance line structured light generator for 3D vision sensors is provided, in order to achieve a more practical purpose. Utility Model Content

[0007] In order to solve the above technical problems, the embodiment of the utility model provides a high-performance line structured light generator for a 3D vision sensor, which is specifically implemented by the following technical solutions:

[0008] A high-performance linear structured light generator for a 3D vision sensor comprises a mounting seat, a laser assembly is arranged inside the mounting seat, a spot lens is arranged on one side of the mounting seat, the mounting seat comprises a first shell and a second shell, a connecting strip is arranged between the first shell and the second shell, a locking groove is arranged on the top of the second shell, a slot is arranged on one side of the second shell, a locking mechanism is arranged inside the locking groove, the spot lens comprises a lens frame, a diffractive optical element is fixedly installed on the middle part of the inner side of the lens frame, an insert block is fixedly installed on one side of the lens frame, the insert block is slidably connected to the slot, a fixing groove is arranged on one side of the insert block, and the fixing groove is snap-connected with the locking mechanism.

[0009] The beneficial effect of adopting the above further scheme is that a laser component is arranged inside the mounting seat, and a spot lens is arranged on one side of the mounting seat, so that the laser emitted by the laser component passes through the spot lens to generate a structured light spot of a specific shape; a locking mechanism is arranged inside the locking groove, so that the spot lens is fixed on the mounting seat and the removal and replacement of the spot lens is convenient; a diffractive optical element is fixedly installed on the middle part of the inner side of the lens frame, so that the diffractive optical element converts the light emitted by the laser generator and processed by the collimator and the aperture into a structured light spot of a specific shape; an insert block is fixedly installed on one side of the lens frame, and the insert block is slidably connected to the slot, so that the insert block is convenient to be inserted into the slot, so that the spot lens can be quickly installed on the mounting seat; a fixing groove is opened on one side of the insert block, and the fixing groove is engaged with the locking mechanism, so that the connection between the spot lens and the mounting seat is fixed, so that different spot lenses can be replaced according to needs, so that the device can emit structured light spots of different shapes.

[0010] Furthermore, protective sheets are provided on both sides of the diffractive optical element, and the protective sheets are fixedly connected to the lens frame.

[0011] The beneficial effect of adopting the above further solution is that by providing protective sheets on both sides of the diffractive optical element and fixing the protective sheets to the lens frame, the protective sheets can protect the diffractive optical element and prevent the diffractive optical element from being damaged and affecting its use.

[0012] Furthermore, the locking mechanism includes a button, a first return spring is fixedly installed in the middle of the bottom end of the button, and the other end of the first return spring is fixedly connected to the second shell.

[0013] The beneficial effect of adopting the above further scheme is that a first return spring is fixedly installed in the middle part of the bottom end of the button, and the other end of the first return spring is fixedly connected to the second shell, so that the button can be pressed to push the locking mechanism to slide along the locking groove. The elastic force of the first return spring can easily reset the locking mechanism, so that the fixed locking block fixes the spot lens. Pressing the button can make the fixed locking block slide out of the fixing groove to unlock the fixation of the spot lens, thereby realizing quick disassembly and replacement of the spot lens.

[0014] Furthermore, sliding rods are fixedly installed on both sides of the bottom end of the button, and a limiting block is fixedly installed on the bottom of the sliding rod.

[0015] The beneficial effect of adopting the above further scheme is that sliding rods are fixedly installed on both sides of the bottom end of the button, and limiting blocks are fixedly installed on the bottom of the sliding rods, which is convenient for limiting the locking mechanism and preventing the locking mechanism from slipping out of the locking groove.

[0016] Furthermore, a locking block groove is provided on one side of the bottom end of the sliding rod, a fixed locking block is slidably connected inside the locking block groove, a second return spring is fixedly installed on one side of the fixed locking block, and one end of the second return spring is fixedly connected to the sliding rod.

[0017] The beneficial effect of adopting the above further scheme is that a second return spring is fixedly installed on one side of the fixed locking block, and one end of the second return spring is fixedly connected to the sliding rod, so that the second return spring provides elastic force to push the fixed locking block out, which is convenient for installing the spot lens. When the plug-in block is inserted into the slot, the second return spring is compressed, so that the fixed locking block is engaged with the fixed groove, thereby fixing the spot lens.

[0018] Furthermore, a collimator lens and an aperture are fixedly installed inside the second shell, and the collimator lens is arranged between the laser assembly and the aperture.

[0019] The beneficial effect of adopting the above further scheme is that a collimator and an aperture are fixedly installed inside the second shell, and the collimator is arranged between the laser assembly and the aperture, so that the collimator and the aperture can process the laser emitted by the laser assembly. The collimator focuses the light beam into parallel light, and the aperture removes stray light, thereby improving the imaging effect.

[0020] Furthermore, mounting ears are fixedly connected to the bottoms of both sides of the first shell and the second shell, and a through hole is opened in the middle of the mounting ears.

[0021] The beneficial effect of adopting the above further solution is that mounting ears are fixedly connected to the bottoms of both sides of the first shell and the second shell, and a through hole is opened in the middle of the mounting ear, so that the device can be fixedly installed in a specified position using fixing screws.

[0022] Furthermore, the laser assembly includes a laser generator, and an interface is provided on one side of the laser generator, and the interface is arranged on the outside of the mounting seat.

[0023] The beneficial effect of adopting the above further solution is that an interface is provided on one side of the laser generator, and the interface is arranged on the outside of the mounting seat, which is convenient for connecting external cables and facilitating the power supply for the operation of the laser generator.

[0024] Furthermore, a heat dissipation sleeve is provided on the outer side of the laser generator, and a plurality of heat dissipation fins are provided on the outer side of the heat dissipation sleeve.

[0025] The beneficial effect of adopting the above further scheme is that a heat dissipation sleeve is provided on the outer side of the laser generator, and a plurality of heat dissipation fins are provided on the outer side of the heat dissipation sleeve, so as to facilitate heat dissipation of the laser generator and avoid the over-high temperature affecting the use of the laser generator when it is working.

[0026] Furthermore, the top and bottom of the heat dissipation sleeve are provided with mounting grooves, and the mounting grooves are snap-connected with the connecting strips.

[0027] The beneficial effect of adopting the above further solution is that installation grooves are provided at the top and bottom of the heat dissipation sleeve, and the installation grooves are snap-connected with the connecting strips, so that the mounting seat can fix the laser assembly.

[0028] The beneficial effects of the utility model are as follows: the utility model obtains a high-performance line structured light generator for a 3D vision sensor through the above-mentioned design. The high-performance line structured light generator for the 3D vision sensor is provided with a laser component inside the mounting seat, and a spot lens is provided on one side of the mounting seat, so that the laser component emits laser through the spot lens to generate a structured light spot of a specific shape. A locking mechanism is provided inside the locking groove, so that the spot lens is fixed on the mounting seat and the removal and replacement of the spot lens is convenient. A diffractive optical element is fixedly installed on the middle part of the inner side of the lens frame, so that the diffractive optical element converts the light emitted by the laser generator and processed by the collimator and the aperture into a structured light spot of a specific shape. An insert is fixedly installed on one side of the lens frame, and the insert is slidably connected to the slot, so that the insert is inserted into the slot, so that the spot lens can be quickly installed on the mounting seat. A fixing groove is opened on one side of the insert, and the fixing groove is engaged with the locking mechanism, so that the connection between the spot lens and the mounting seat is fixed, so that different spot lenses can be replaced according to needs, so that the device can emit structured light spots of different shapes. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0030] Figure 1 A schematic diagram of the three-dimensional structure of a high-performance line structured light generator for a 3D vision sensor provided by the utility model;

[0031] Figure 2 An exploded diagram of a high-performance line structured light generator for a 3D vision sensor provided by the utility model;

[0032] Figure 3 A cross-sectional view of the spot lens provided by the utility model;

[0033] Figure 4 A cutaway view of the mounting base provided by the utility model;

[0034] Figure 5 An exploded view of the locking mechanism provided by the utility model;

[0035] Figure 6 This is an exploded view of the laser assembly provided by the utility model.

[0036] In the figure: 101, mounting seat; 10101, first housing; 10102, second housing; 10103, connecting strip; 10104, mounting ear; 10105, collimator; 10106, aperture; 10107, locking groove; 10108, slot; 102, spot lens; 10201, lens frame; 10202, diffractive optical element; 10203, protective sheet; 10204, plug block; 10205, fixed Fixed slot; 103, locking mechanism; 10301, button; 10302, sliding rod; 10303, first return spring; 10304, limit block; 10305, locking block slot; 10306, fixed locking block; 10307, ​​second return spring; 104, laser assembly; 10401, laser generator; 10402, interface; 10403, heat sink; 10404, heat sink fins; 10405, mounting slot. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0038] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0039] Embodiment 1 of the utility model of a high performance line structured light generator for a 3D vision sensor

[0040] The utility model provides the following technical solutions: Figure 1-6 As shown, a high-performance line structured light generator for a 3D vision sensor includes a mounting seat 101, a laser component 104 is arranged inside the mounting seat 101, and a spot lens 102 is arranged on one side of the mounting seat 101, so that the laser component 104 emits a laser through the spot lens 102 to generate a structured light spot of a specific shape, and the mounting seat 101 includes a first shell 10101 and a second shell 10102, a connecting strip 10103 is arranged between the first shell 10101 and the second shell 10102, and a locking groove 10103 is opened on the top of the second shell 10102. 107, a slot 10108 is provided on one side of the second housing 10102, and a locking mechanism 103 is provided inside the locking slot 10107, and the locking mechanism 103 is provided inside the locking slot 10107, so that the spot lens 102 is conveniently fixed on the mounting seat 101, and the spot lens 102 is conveniently disassembled and replaced, and the spot lens 102 includes a lens frame 10201, and a diffractive optical element 10202 is fixedly installed in the middle of the inner side of the lens frame 10201, and the diffractive optical element 10202 is fixedly installed in the middle of the inner side of the lens frame 10201, so that the diffractive optical element 10202 can emit the laser generator 10401 through the collimator 10105 and the aperture 10105. 106 is converted into a structured light spot of a specific shape. A plug-in block 10204 is fixedly installed on one side of the lens frame 10201. The plug-in block 10204 is slidably connected to the slot 10108. The plug-in block 10204 is fixedly installed on one side of the lens frame 10201. The plug-in block 10204 is slidably connected to the slot 10108, so that the plug-in block 10204 can be inserted into the slot 10108, so that the spot lens 102 can be quickly installed on the mounting seat 101. A fixing groove 10205 is opened on one side of the plug-in block 10204. The fixing groove 10205 is engaged with the locking mechanism 103. The fixing groove 10205 is opened on one side of the plug-in block 10204. The fixing groove 10205 is snap-connected with the locking mechanism 103, which facilitates fixing the connection between the spot lens 102 and the mounting base 101, thereby facilitating replacement of different spot lenses 102 as needed, so that the device can emit structured light spots of different shapes. Protective sheets 10203 are provided on both sides of the diffractive optical element 10202, and the protective sheets 10203 are fixedly connected to the lens frame 10201. By providing protective sheets 10203 on both sides of the diffractive optical element 10202, and fixing the protective sheets 10203 to the lens frame 10201, the protective sheets 10203 can protect the diffractive optical element 10202 and prevent the diffractive optical element 10202 from being damaged and affecting its use.

[0041] Embodiment 2 of the utility model of a high performance line structured light generator for a 3D vision sensor

[0042] Reference Figure 1-5 As shown, the locking mechanism 103 includes a button 10301, a first return spring 10303 is fixedly installed in the middle of the bottom end of the button 10301, and the other end of the first return spring 10303 is fixedly connected to the second housing 10102, so that the button 10301 can be pressed to push the locking mechanism 103 to slide along the locking groove 10107, and the first return spring 10303 is fixedly installed in the middle of the bottom end of the button 10301, and the other end of the first return spring 10303 is fixedly connected to the second housing 10102, so that the locking mechanism 103 can slide along the locking groove 10107 by pressing the button 10301. The elastic force of 10303 facilitates the reset of the locking mechanism 103, so that the fixed locking block 10306 fixes the spot lens 102. The button 10301 is pressed to slide the fixed locking block 10306 out of the fixing groove 10205, and the fixation of the spot lens 102 is unlocked, so that the spot lens 102 can be quickly disassembled and replaced. The sliding rods 10302 are fixedly installed on both sides of the bottom of the button 10301, and the limit blocks 10304 are fixedly installed on the bottom of the sliding rod 10302. A sliding rod 10302 is provided, and a limiting block 10304 is fixedly installed at the bottom of the sliding rod 10302, which is convenient for limiting the locking mechanism 103 to prevent the locking mechanism 103 from sliding out of the locking groove 10107. A locking block groove 10305 is provided on one side of the bottom end of the sliding rod 10302, and a fixed locking block 10306 is slidably connected inside the locking block groove 10305. A second return spring 10307 is fixedly installed on one side of the fixed locking block 10306. One end of the second return spring 10307 is fixedly connected to the sliding rod 10302. A second return spring 10307 is fixedly installed on one side of the fixed locking block 10306, and one end of the second return spring 10307 is fixedly connected to the sliding rod 10302, so that the second return spring 10307 provides elastic force to push the fixed locking block 10306 out, so that when the spot lens 102 is installed, the second return spring 10307 is compressed when the plug block 10204 is inserted into the slot 10108, so that the fixed locking block 10306 is engaged with the fixing groove 10205, thereby fixing the spot lens 102.

[0043] Embodiment 3 of the utility model of a high performance line structured light generator for 3D vision sensor

[0044] Reference Figure 1-6As shown, a collimator 10105 and an aperture 10106 are fixedly installed inside the second housing 10102, and the collimator 10105 is arranged between the laser assembly 104 and the aperture 10106. The collimator 10105 and the aperture 10106 are fixedly installed inside the second housing 10102, and the collimator 10105 is arranged between the laser assembly 104 and the aperture 10106, so that the collimator 10105 and the aperture 10106 can process the laser emitted by the laser assembly 104, and the collimator 10105 can focus the light beam into a parallel The aperture 10106 removes stray light and improves the imaging effect. The bottoms of both sides of the first shell 10101 and the second shell 10102 are fixedly connected with mounting ears 10104, and a through hole is opened in the middle of the mounting ears 10104. The first shell 10101 and the bottoms of both sides of the second shell 10102 are fixedly connected with mounting ears 10104, and a through hole is opened in the middle of the mounting ears 10104, so that the device can be fixedly installed in a specified position using fixing screws. The laser assembly 104 includes a laser generator 10401, and the laser generator 104 An interface 10402 is provided on one side of the laser generator 10401, and the interface 10402 is provided on the outside of the mounting base 101. The interface 10402 is provided on one side of the laser generator 10401, and the interface 10402 is provided on the outside of the mounting base 101, which is convenient for connecting external cables and convenient for supplying energy to the laser generator 10401. A heat dissipation sleeve 10403 is provided on the outside of the laser generator 10401, and a plurality of heat dissipation fins 10404 are provided on the outside of the heat dissipation sleeve 10403. The heat dissipation sleeve 10403 is provided on the outside of the laser generator 10401. A plurality of heat dissipation fins 10404 are arranged on the outside of 10403 to dissipate heat for the laser generator 10401 and prevent the laser generator 10401 from being overheated and affecting its use when in operation. The heat dissipation sleeve 10403 is provided with mounting grooves 10405 on the top and bottom, and the mounting grooves 10405 are snap-fitted and connected with the connecting strip 10103. The heat dissipation sleeve 10403 is provided with mounting grooves 10405 on the top and bottom, and the mounting grooves 10405 are snap-fitted and connected with the connecting strip 10103, so that the mounting base 101 can fix and install the laser assembly 104.

[0045] Specifically, the working principle of the high-performance linear structured light generator for 3D vision sensors is as follows: when in use, mounting ears 10104 are fixedly connected to the bottoms of both sides of the first shell 10101 and the second shell 10102, and a through hole is opened in the middle of the mounting ear 10104, so that the device can be fixedly installed in a specified position using a fixing screw. An interface 10402 is provided on one side of the laser generator 10401, and the interface 10402 is arranged on the outside of the mounting seat 101, so as to facilitate the connection of external cables and the power supply to the laser generator 10401. A collimator 10105 and an aperture 10106 are installed. The collimator 10105 is arranged between the laser assembly 104 and the aperture 10106, so that the collimator 10105 and the aperture 10106 can process the laser emitted by the laser assembly 104. The collimator 10105 focuses the light beam into parallel light, and the aperture 10106 removes stray light to improve the imaging effect. A second return spring 10307 is fixedly installed on one side of the fixed lock block 10306. One end of the second return spring 10307 is fixedly connected to the sliding rod 10302, so that the second return spring 10307 provides elastic force to fix the fixed lock The plug block 10306 is pushed out, and when the spot lens 102 is installed, the plug block 10204 is inserted into the slot 10108 to compress the second return spring 10307, ​​so that the fixed lock block 10306 is engaged with the fixed groove 10205, so as to fix the spot lens 102. The diffractive optical element 10202 is fixedly installed in the middle of the inner side of the lens frame 10201, so that the diffractive optical element 10202 can convert the light emitted by the laser generator 10401 and processed by the collimator 10105 and the aperture 10106 into a structured light spot of a specific shape. 01 A first return spring 10303 is fixedly installed in the middle of the bottom end, and the other end of the first return spring 10303 is fixedly connected to the second shell 10102, so that the button 10301 can be pressed to push the locking mechanism 103 to slide along the locking groove 10107. The elastic force of the first return spring 10303 can easily reset the locking mechanism 103, so that the fixed locking block 10306 can fix the spot lens 102. Pressing the button 10301 can make the fixed locking block 10306 slide out of the fixing groove 10205, thereby unlocking the fixation of the spot lens 102, and realizing the quick disassembly and replacement of the spot lens 102.

[0046] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A high-performance line structured light generator for a 3D vision sensor, characterized in that: The invention comprises a mounting seat (101), wherein a laser assembly (104) is arranged inside the mounting seat (101), a spot lens (102) is arranged on one side of the mounting seat (101), the mounting seat (101) comprises a first shell (10101) and a second shell (10102), a connecting strip (10103) is arranged between the first shell (10101) and the second shell (10102), a locking groove (10107) is arranged on the top of the second shell (10102), a slot (10108) is arranged on one side of the second shell (10102), and the A locking mechanism (103) is provided inside the locking groove (10107), and the spot lens (102) comprises a lens frame (10201), a diffractive optical element (10202) is fixedly installed in the middle of the inner side of the lens frame (10201), an insert block (10204) is fixedly installed on one side of the lens frame (10201), the insert block (10204) is slidably connected to the slot (10108), and a fixing groove (10205) is provided on one side of the insert block (10204), and the fixing groove (10205) is snap-fitted and connected to the locking mechanism (103).

2. A high-performance line structured light generator for a 3D vision sensor according to claim 1, characterized in that: Protective sheets (10203) are provided on both sides of the diffractive optical element (10202), and the protective sheets (10203) are fixedly connected to the lens frame (10201).

3. A high-performance line structured light generator for a 3D vision sensor according to claim 1, characterized in that: The locking mechanism (103) comprises a button (10301), a first return spring (10303) being fixedly mounted in the middle of the bottom end of the button (10301), and the other end of the first return spring (10303) being fixedly connected to the second housing (10102).

4. A high-performance line structured light generator for a 3D vision sensor according to claim 3, characterized in that: Sliding rods (10302) are fixedly installed on both sides of the bottom end of the button (10301), and a limiting block (10304) is fixedly installed on the bottom of the sliding rod (10302).

5. A high-performance line structured light generator for a 3D vision sensor according to claim 4, characterized in that: A locking block groove (10305) is provided on one side of the bottom end of the sliding rod (10302), and a fixed locking block (10306) is slidably connected inside the locking block groove (10305). A second return spring (10307) is fixedly installed on one side of the fixed locking block (10306), and one end of the second return spring (10307) is fixedly connected to the sliding rod (10302).

6. A high-performance line structured light generator for a 3D vision sensor according to claim 1, characterized in that: A collimator (10105) and an aperture (10106) are fixedly installed inside the second housing (10102), and the collimator (10105) is arranged between the laser component (104) and the aperture (10106).

7. A high-performance line structured light generator for a 3D vision sensor according to claim 6, characterized in that: The bottoms of both sides of the first shell (10101) and the second shell (10102) are fixedly connected with mounting ears (10104), and a through hole is opened in the middle of the mounting ears (10104).

8. The high-performance line structured light generator for a 3D vision sensor according to claim 1, characterized in that: The laser assembly (104) comprises a laser generator (10401), one side of the laser generator (10401) is provided with an interface (10402), and the interface (10402) is arranged outside the mounting seat (101).

9. A high-performance line structured light generator for a 3D vision sensor according to claim 8, characterized in that: The laser generator (10401) is provided with a heat dissipation sleeve (10403) on the outside, and a plurality of heat dissipation fins (10404) are provided on the outside of the heat dissipation sleeve (10403).

10. A high-performance line structured light generator for a 3D vision sensor according to claim 9, characterized in that: The top and bottom of the heat dissipation sleeve (10403) are provided with mounting grooves (10405), and the mounting grooves (10405) are snap-fitted and connected with the connecting strip (10103).

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