阅读说明：本技术 一种基于机器人视觉的电动汽车充电囗定位装置 (Electric automobile charging port positioning device based on robot vision ) 是由 何洋 孙怀君 颜国华 于 2020-12-22 设计创作，主要内容包括：本发明公开了一种基于机器人视觉的电动汽车充电囗定位装置,属于电动汽车充电技术领域,包括电动汽车主体、充电口、视觉充电组件、电源机器人、侧挡组件、侧定位组件、内密封圈和传动齿轮；本发明安装有视觉充电组件,对于该视觉充电组件进行插入时,视觉摄像头可快速对于组合位置进行定位,在位置出错时,电源机器人可进行报警,提示不要继续插入,避免充电头损坏,物理结构定位时,先通过移动凸块上移该卡钩轴,在视觉充电组件准确对位插入后,直接松开移动凸块,卡钩轴在外顶弹簧的回复作用下复位,使卡钩轴卡接在充电头的定位卡槽内,完成定位,可有效避免充电时,视觉充电组件发生松动甚至脱离的情况,保证充电的有效稳定进行。(The invention discloses an electric automobile charging port positioning device based on robot vision, which belongs to the technical field of electric automobile charging and comprises an electric automobile main body, a charging port, a vision charging assembly, a power supply robot, a side baffle assembly, a side positioning assembly, an inner sealing ring and a transmission gear, wherein the charging port is arranged on the electric automobile main body; the visual charging assembly is installed, when the visual charging assembly is inserted, the visual camera can quickly position the combined position, when the position is wrong, the power supply robot can give an alarm to prompt that the visual charging assembly is not required to be inserted continuously, the damage of the charging head is avoided, when the physical structure is positioned, the clamping hook shaft is moved upwards through the moving lug, after the visual charging assembly is accurately aligned and inserted, the moving lug is directly loosened, the clamping hook shaft is reset under the restoring action of the outer jacking spring, the clamping hook shaft is clamped in the positioning clamping groove of the charging head, the positioning is completed, the situation that the visual charging assembly is loosened and even separated during charging can be effectively avoided, and the effective and stable charging is ensured.)

1. The utility model provides an electric automobile fills mouthful positioner of mouth based on robot vision, includes electric automobile main part (1), charges mouthful (2), vision subassembly (4) that charges, power robot (5), side fender subassembly (7), side locating component (8), inner seal ring (9) and drive gear (19), its characterized in that: the side groove (3) has been seted up on the side surface of electric automobile main part (1), the mouth (2) that charges has been seted up to the inside of side groove (3), it is provided with vision charging assembly (4) to plug in the inside of mouthful (2) to charge, one side of electric automobile main part (1) is provided with power robot (5), be connected through the wire between vision charging assembly (4) and power robot (5), rotate on the inner wall of mouthful (2) of charging and install transfer sleeve (10).

2. The robot vision-based positioning device for the charging port of the electric automobile is characterized in that the vision charging assembly (4) comprises a charging connector (41), a charging connector (44) and a handle (45), the charging connector (41) is fixedly mounted at the top of the handle (45), the charging connector (44) is fixedly mounted on the outer wall of one side of the charging connector (41), and a positioning clamping groove (43) is formed in the outer surface of the charging connector (41).

3. The device for positioning the charging port of the electric vehicle based on the robot vision as claimed in claim 2, wherein a vision camera (42) is mounted on the outer surface of the charging head (41) in an embedded manner, and a handle (46) is fixedly mounted on the outer wall of one side of the handle (45).

4. The device for positioning the charging port of the electric automobile based on the robot vision as recited in claim 1, wherein an outer gear (17) is fixedly mounted on an outer wall of the inner rotating sleeve (10), an outer handle (18) is fixedly mounted on a top surface of the inner rotating sleeve (10), an inner sealing ring (9) is fixedly mounted on an inner wall of the inner rotating sleeve (10), a plurality of thermal expansion particles (22) are filled in the inner sealing ring (9), an inner wear-resistant coating (21) is disposed on an inner surface of the inner sealing ring (9), and a charging port (20) is formed in an outer wall of one side of the inner sealing ring (9).

5. The device for positioning the charging port of the electric vehicle based on the robot vision as claimed in claim 2, wherein an inner mounting groove (11) is formed in the side groove (3), an inner guide rail (13) is fixedly mounted on the inner wall of the inner mounting groove (11), an outer top spring (12) is fixedly mounted in the inner mounting groove (11), and a hook shaft (16) is slidably mounted on the inner guide rail (13).

6. The device for positioning the charging port of the electric vehicle based on the robot vision as recited in claim 5, wherein one end of the outer top spring (12) is fixedly connected with one end of the hook shaft (16), the other end of the hook shaft (16) is clamped with the positioning clamping groove (43), the top surface of the charging port (2) is provided with a stroke groove (14), the top of the hook shaft (16) is fixedly provided with a movable projection (15), and the movable projection (15) is slidably connected with the stroke groove (14).

7. The device for positioning the charging port of the electric vehicle based on the robot vision as claimed in claim 1, wherein one side of the side groove (3) is located in a housing of the main body (1) of the electric vehicle and is rotatably provided with a transmission gear (19) through a rotating shaft, one side of the transmission gear (19) is rotatably provided with a side stop assembly (7) through a rotating shaft, and the side stop assembly (7) is composed of a driven gear (71), an installation shaft (72), a baffle plate (73) and a first torsion return spring (74).

8. The robot vision-based positioning device for the charging port of the electric vehicle as recited in claim 7, wherein the mounting shaft (72) is fixedly mounted on an outer wall of one side of the baffle (73), the driven gear (71) and the first torsion return spring (74) are both fixedly mounted outside the mounting shaft (72), one end of the first torsion return spring (74) is fixedly connected with an inner wall of a housing of the electric vehicle body (1), and the transmission gear (19) is respectively connected with the external engagement teeth (17) and the driven gear (71) in an engagement manner.

9. The device for positioning the charging port of the electric vehicle based on the robot vision according to claim 8, wherein side positioning components (8) are arranged on the side grooves (3) at two sides of the charging port (2), the side positioning components (8) comprise side connecting shafts (82), rotating plates (83) and side positioning plates (84), and the rotating plates (83) are rotatably mounted on the side grooves (3) through the side connecting shafts (82) fixedly mounted on the outer walls at two sides of the rotating plates.

10. The device for positioning the charging port of the electric vehicle based on the robot vision of claim 9, wherein a second torsion return spring (81) is fixedly mounted on the side connecting shaft (82), one end of the second torsion return spring (81) is fixedly connected with the outer surface of the side groove (3), a side positioning plate (84) is fixedly mounted on the outer wall of one side of the rotating plate (83), and the side baffle assembly (7) is in close contact with and extrudes the side positioning assembly (8).

Technical Field

The invention belongs to the technical field of electric automobile charging, and particularly relates to a robot vision-based electric automobile charging port positioning device.

Background

Because the ecological environment is continuously destroyed, in order to improve the environmental quality, green energy is used, more and more new energy electric vehicles are developed, and the electric vehicles generally refer to vehicles which use a vehicle-mounted power supply as power and use a motor to drive wheels to run and meet various requirements of road traffic and safety regulations. Because the influence on the environment is smaller than that of the traditional automobile, the prospect is widely seen, the holding capacity of the electric automobile is gradually improved, and the electric automobile is a new-era vehicle.

Traditional head that charges does not have the visual positioning function, when using, the head that charges can appear and inserts the wrong condition, lead to charging plug's deformation, and simultaneously, electric automobile is when charging, need use charging device, nevertheless when charging to electric automobile, because some external reasons, in the charging process, the first condition that easily appears becoming flexible or coming off of charging leads to charging effectively going on, consequently need a positioner to when the car charges, charge mouthful to the car and fix a position, avoid charging the head and come off, guarantee charging process's stability.

Disclosure of Invention

The invention aims to: in order to solve the problem that the conventional charging head does not have a visual positioning function, and when the conventional charging head is used, the situation that the charging head is inserted wrongly can occur, so that a charging plug is deformed, and meanwhile, when an electric automobile is charged, a charging device is required to be used.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides an electric automobile fills mouthful positioner based on robot vision, includes electric automobile main part, the mouth that charges, vision charging assembly, power robot, side fender subassembly, side locating assembly, inner seal circle and drive gear, the side groove has been seted up on the side surface of electric automobile main part, and the mouth that charges has been seted up to the inside in side groove, it is provided with the vision charging assembly to plant in the inside of mouth that charges, one side of electric automobile main part is provided with power robot, be connected through the wire between vision charging assembly and the power robot, rotate on the inner wall of the mouth that charges and install the internal rotation cover.

As a further description of the above technical solution:

the vision subassembly that charges comprises the joint that charges, the joint and the handle that charges, the joint fixed mounting that charges is at the top of handle, and fixed mounting has the joint that charges on the outer wall of one side of the joint that charges, has seted up positioning channel groove on the surface of the joint that charges.

As a further description of the above technical solution:

the visual camera is installed on the surface of the charging head in an embedded mode, and a lifting handle is fixedly installed on the outer wall of one side of the handle.

As a further description of the above technical solution:

the outer wall of the inner rotating sleeve is fixedly provided with outer meshing teeth, the top surface of the inner rotating sleeve is fixedly provided with an outer handle, the inner wall of the inner rotating sleeve is fixedly provided with an inner sealing ring, a plurality of thermal expansion particles are filled in the inner sealing ring, an inner wear-resistant coating is arranged on the inner surface of the inner sealing ring, and the outer wall of one side of the inner sealing ring is provided with a charging hole.

As a further description of the above technical solution:

interior mounting groove has been seted up to the inside of side channel, fixed mounting has the inner guide rail on the inner wall of interior mounting groove, and the inside fixed mounting of interior mounting groove has outer top spring, slidable mounting has the coupler shaft on the inner guide rail.

As a further description of the above technical solution:

the one end of outer top spring and the one end fixed connection of coupler shaft, the other end and the mutual joint of positioning channel section of coupler shaft, the stroke groove has been seted up on the top surface of the mouth that charges, the top fixed mounting of coupler shaft has the removal lug, remove lug and the mutual sliding connection in stroke groove.

As a further description of the above technical solution:

the side groove one side is located the casing of electric automobile main part and rotates through the pivot and install drive gear, and drive gear rotates through the pivot in one side and installs the side fender subassembly, the side keeps off the subassembly and comprises driven gear, installation axle, baffle and first distortion answer spring.

As a further description of the above technical solution:

the installation axle fixed mounting is on one side outer wall of baffle, driven gear and the equal fixed mounting in the outside of installation axle of first distortion answer spring, the one end of first distortion answer spring and the shells inner wall fixed connection of electric automobile main part, drive gear is connected with outer meshing tooth and driven gear intermeshing respectively.

As a further description of the above technical solution:

the side positioning assembly is arranged on the side groove on two sides of the charging port and consists of a side connecting shaft, a rotating plate and a side positioning plate, and the rotating plate is rotatably arranged on the side groove through the side connecting shaft fixedly arranged on the outer walls of the two sides of the rotating plate.

As a further description of the above technical solution:

fixed mounting has the distortion of second to reply the spring on the side connecting axle, and the distortion of second replies the one end and the outer fixed surface of side groove of spring is connected, fixed mounting has the side locating plate on the outer wall of one side of commentaries on classics board, the side keeps off subassembly and side locating component in close contact with and extrudees.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. in the invention, by installing the visual charging component, the visual camera is installed on the visual charging component, and the Arduino control module is arranged in the structure, when an automobile is charged and the visual charging component is inserted, the visual camera can quickly position the combined position, when the position is wrong, the Arduino control module can effectively control the power supply robot to give an alarm to prompt that the automobile is not inserted continuously, so that the charging head is prevented from being damaged, and meanwhile, the clamping hook shaft with the outer top spring is arranged in the charging port, the clamping hook shaft is moved upwards through the moving lug, the outer top spring is compressed, after the visual charging component is accurately aligned and inserted, the moving lug is directly loosened, the clamping hook shaft is reset under the restoring action of the outer top spring, so that the clamping hook shaft is clamped in the positioning clamping groove of the charging head, the positioning is completed, and the charging can be effectively avoided, the vision subassembly that charges takes place not hard up the condition that breaks away from even, guarantees to charge effectively stably go on, can realize the visual positioning of device, also can realize the physics location effect, and the location effect is good.

2. According to the automobile side positioning device, the side positioning component with the second torsion return spring is installed in the automobile side positioning device, the side blocking component is arranged outside the side positioning component, when an automobile is normally charged, after the visual charging component is initially positioned, the inner rotating sleeve can be directly rotated, the inner rotating sleeve can drive the driven gear of the side blocking component to rotate in the rotating process, so that the baffle is effectively controlled to rotate by a certain angle, the baffle does not shield the side positioning component, at the moment, the side positioning component deflects under the action of the second torsion return spring, and the side positioning plate of the side positioning component carries out secondary positioning on the visual charging component, so that the positioning effect is further improved, and the using effect is improved.

3. According to the visual charging assembly, the inner sealing ring is arranged on the inner wall of the inner rotating sleeve, the thermal expansion particles are filled in the inner sealing ring, the inner rotating sleeve can be rotated back and forth when the visual charging assembly is installed and charged, the inner sealing ring can rub the charging head while the inner rotating sleeve rotates, a large amount of heat can be generated during friction, the heat is transferred into the thermal expansion particles, the thermal expansion particles can be heated and expanded, the inner sealing ring can be expanded, a gap between the visual charging assembly and a charging port is effectively filled, the sealing performance of the installed visual charging assembly is greatly improved, and the adverse effect that external water stains enter the charging port to cause short circuit is avoided.

Drawings

Fig. 1 is a front view of a robot vision-based electric vehicle charging port positioning device.

Fig. 2 is a front view of a robot-vision-based electric vehicle charging port positioning device after a visual charging assembly is detached.

Fig. 3 is an enlarged schematic structural diagram of a position a in a robot vision-based electric vehicle charging port positioning device.

Fig. 4 is an enlarged schematic structural diagram of a position B in the device for positioning the charging port of the electric vehicle based on robot vision.

Fig. 5 is an enlarged schematic three-dimensional structure diagram of a visual charging assembly in a robot-vision-based electric vehicle charging port positioning device.

Fig. 6 is a schematic view of a transmission structure of an inner rotating sleeve, a transmission gear and a side stop assembly in a robot vision-based electric vehicle charging port positioning device.

Fig. 7 is an enlarged schematic three-dimensional structure view of a side stop assembly in a robot vision-based electric vehicle charging port positioning device;

FIG. 8 is a schematic diagram of an enlarged partial cross-sectional three-dimensional structure of an inner seal ring in a positioning device for a charging port of an electric vehicle based on robot vision;

fig. 9 is an enlarged schematic three-dimensional structure diagram of a side positioning assembly in a robot vision-based electric vehicle charging port positioning device.

Illustration of the drawings:

1. an electric vehicle main body; 2. a charging port; 3. a side groove; 4. a visual charging component; 41. a charging head; 42. a vision camera; 43. positioning the clamping groove; 44. a charging connector; 45. a handle; 46. a handle; 5. a power robot; 6. a side cover; 7. a side shield assembly; 71. a driven gear; 72. installing a shaft; 73. a baffle plate; 74. a first torsion return spring; 8. a side positioning assembly; 81. a second torsion return spring; 82. a side connecting shaft; 83. rotating the plate; 84. a side positioning plate; 9. an inner seal ring; 10. an inner rotating sleeve; 11. an inner mounting groove; 12. an outer top spring; 13. an inner guide rail; 14. a stroke slot; 15. moving the projection; 16. a hook shaft; 17. external gear teeth; 18. an outer handle; 19. a transmission gear; 20. a feed inlet; 21. an inner wear-resistant coating; 22. thermally expanding the particles.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution: a robot vision-based electric automobile charging port positioning device comprises an electric automobile main body 1, a charging port 2, a vision charging assembly 4, a power supply robot 5, a side baffle assembly 7, a side positioning assembly 8, an inner sealing ring 9 and a transmission gear 19, wherein a side groove 3 is formed in the side surface of the electric automobile main body 1, a charging port 2 is formed in the side groove 3, an inner mounting groove 11 is formed in the side groove 3, an inner guide rail 13 is fixedly mounted on the inner wall of the inner mounting groove 11, an outer ejection spring 12 is fixedly mounted in the inner mounting groove 11, a hook shaft 16 is slidably mounted on the inner guide rail 13, one end of the outer ejection spring 12 is fixedly connected with one end of the hook shaft 16, the other end of the hook shaft 16 is mutually clamped with a positioning clamping groove 43, a stroke groove 14 is formed in the top surface of the charging port 2, a movable lug 15 is fixedly mounted at the top of the hook shaft 16, the movable lug 15 is slidably connected with the stroke groove 14, the inner guide rail 13 is installed, the outer ejection spring 12 is fixedly installed inside the inner installation groove 11, the clamping hook shaft 16 is slidably installed on the inner guide rail 13, the clamping hook shaft 16 is moved upwards through the movable lug 15 during positioning, the outer ejection spring 12 is compressed at the moment, after the visual charging assembly 4 is accurately aligned and inserted, the movable lug 15 is directly loosened, the clamping hook shaft 16 is reset under the restoring action of the outer ejection spring 12, the clamping hook shaft 16 is clamped in the positioning clamping groove 43 of the charging head 41, positioning is completed, the situation that the visual charging assembly 4 is loosened and even separated during charging can be effectively avoided, and effective and stable charging is guaranteed;

the visual charging assembly 4 is inserted into the charging port 2, the visual charging assembly 4 comprises a charging head 41, a charging head 44 and a handle 45, the charging head 41 is fixedly installed at the top of the handle 45, the charging head 44 is fixedly installed on the outer wall of one side of the charging head 41, a positioning clamping groove 43 is formed in the outer surface of the charging head 41, the visual camera 42 is embedded and installed on the outer surface of the charging head 41, a handle 46 is fixedly installed on the outer wall of one side of the handle 45, the visual charging assembly 4 comprises the charging head 41, the charging head 44 and the handle 45, when the visual charging assembly 4 is inserted into an automobile during charging, the visual camera 42 can quickly position a combined position, when the position is wrong, the power supply robot 5 can give an alarm to prompt that the automobile is not to be inserted continuously, the charging contact 44 of the charging contact 41 is prevented from being damaged;

one side of the side groove 3 is positioned in a shell of the electric automobile body 1 and is rotatably provided with a transmission gear 19 through a rotating shaft, one side of the transmission gear 19 is rotatably provided with a side baffle assembly 7 through a rotating shaft, the side baffle assembly 7 is composed of a driven gear 71, an installation shaft 72, a baffle 73 and a first torsion return spring 74, the installation shaft 72 is fixedly installed on the outer wall of one side of the baffle 73, the driven gear 71 and the first torsion return spring 74 are both fixedly installed outside the installation shaft 72, one end of the first torsion return spring 74 is fixedly connected with the inner wall of the shell of the electric automobile body 1, the transmission gear 19 is respectively meshed with the external meshing teeth 17 and the driven gear 71 and is connected with each other, through the installation of the side baffle assembly 7, the side baffle assembly 7 is composed of the driven gear 71, the installation shaft 72, the baffle 73 and the first torsion return spring 74, after the vision charging assembly 4 is preliminarily positioned, the inner rotating sleeve 10 can be directly rotated, and the inner rotating sleeve 10 can drive the driven gear 71 of the side blocking assembly 7 to rotate in the rotating process, so that the baffle 73 is effectively controlled to rotate by a certain angle, and the baffle 73 does not block the side positioning assembly 8 any more;

a power supply robot 5 is arranged on one side of the electric automobile main body 1, the vision charging assembly 4 is connected with the power supply robot 5 through a wire, an inner rotating sleeve 10 is rotatably arranged on the inner wall of the charging port 2, outer meshing teeth 17 are fixedly arranged on the outer wall of the inner rotating sleeve 10, an outer handle 18 is fixedly arranged on the top surface of the inner rotating sleeve 10, an inner sealing ring 9 is fixedly arranged on the inner wall of the inner rotating sleeve 10, a plurality of thermal expansion particles 22 are filled in the inner sealing ring 9, the thermal expansion particles 22 are graphite powder particles, an inner wear-resistant coating 21 is arranged on the inner surface of the inner sealing ring 9, the inner wear-resistant coating 21 is made of polyurethane, a feed inlet 20 is formed in the outer wall of one side of the inner sealing ring 9, the inner rotating sleeve 10 is rotatably arranged, when the vision charging assembly 4 is installed and charged, the inner rotating sleeve 10 can be rotated back and forth, and the inner sealing ring 9 can rub with a charging head, a large amount of heat is generated during friction, the heat is transferred into the thermal expansion particles 22, the thermal expansion particles 22 can be heated and expanded, the inner sealing ring 9 can be expanded, the gap between the visual charging assembly 4 and the charging port 2 is effectively filled, the sealing performance of the visual charging assembly 4 after installation is greatly improved, and the adverse effect of short circuit caused by the fact that external water stains enter the charging port 2 is avoided;

the side positioning components 8 are arranged on the side grooves 3 at two sides of the charging port 2, each side positioning component 8 consists of a side connecting shaft 82, a rotating plate 83 and a side positioning plate 84, each rotating plate 83 is rotatably arranged on each side groove 3 through the side connecting shaft 82 fixedly arranged on the outer wall of each side of the rotating plate 83, a second twisting return spring 81 is fixedly arranged on each side connecting shaft 82, one end of each second twisting return spring 81 is fixedly connected with the outer surface of each side groove 3, the side positioning plate 84 is fixedly arranged on the outer wall of one side of each rotating plate 83, each side baffle component 7 is tightly contacted and extruded with the side positioning component 8, each side positioning component 8 consists of the side connecting shaft 82, the rotating plate 83 and the side positioning plate 84, each rotating plate 83 is rotatably arranged on each side groove 3 through the side connecting shafts 82 fixedly arranged on the outer walls of the two sides of each rotating plate 83, and after the vision charging components 4 are preliminarily positioned when an automobile is normally charged, but this internal rotation cover 10 of direct rotation, internal rotation cover 10 is rotating the in-process, can drive the driven gear 71 rotation that the side kept off subassembly 7, thereby effective control baffle 73 rotates certain angle, make baffle 73 no longer shelter from side locating component 8, side locating component 8 is because the effect of second distortion answer spring 81 this moment, take place to deflect, the side locating plate 84 that makes side locating component 8 carries out the secondary positioning to vision charging assembly 4, the positioning effect has further been improved, and the use effect is improved.

The working principle is as follows: when the visual charging component 4 is inserted into an automobile, the visual camera 42 can quickly position the combined position, when the position is wrong, the Arduino control module can effectively control the power supply robot 5 to give an alarm to prompt that the power supply robot is not required to be continuously inserted, the charging connector 44 of the charging connector 41 is prevented from being damaged, when the position is wrong, the hook shaft 16 is moved upwards through the moving lug 15, the outer top spring 12 is compressed, after the visual charging component 4 is accurately aligned and inserted, the moving lug 15 is directly loosened, the hook shaft 16 is reset under the restoring action of the outer top spring 12, the hook shaft 16 is clamped in the positioning clamping groove 43 of the charging connector 41, the positioning is completed, the situation that the visual charging component 4 is loosened and even separated during the charging can be effectively avoided, the effective and stable charging is ensured, when the automobile is normally charged, after the visual charging assembly 4 is initially positioned, the inner rotating sleeve 10 can be directly rotated, the inner rotating sleeve 10 can drive the driven gear 71 of the side blocking assembly 7 to rotate in the rotating process, so that the baffle 73 is effectively controlled to rotate by a certain angle, the baffle 73 does not shield the side positioning assembly 8 any more, at the moment, the side positioning assembly 8 deflects under the action of the second torsion return spring 81, the side positioning plate 84 of the side positioning assembly 8 performs secondary positioning on the visual charging assembly 4, the positioning effect is further improved, the use effect is improved, when the visual charging assembly 4 is installed and charged, the inner rotating sleeve 10 can be rotated back and forth, the inner sealing ring 9 can rub against the charging head 41 while the inner rotating sleeve 10 rotates, a large amount of heat can be generated during rubbing, the heat is transferred into the thermal expansion particles 22, the thermal expansion particles 22 can be heated and expanded, and the inner sealing ring 9 can be expanded, effectively fill up the clearance between vision charging assembly 4 and the mouth 2 that charges, improved the leakproofness after vision charging assembly 4 installs greatly.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.