High-precision charging port docking device of mobile charging robot
By combining a limiting structure, drive wheels, and electric push rods, the mechanical collision problem when the charging plug of the mobile charging robot docks with the socket is solved, achieving high-precision docking and reliable charging, and extending the life of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 河网花桥(南京)科技有限公司
- Filing Date
- 2025-04-25
- Publication Date
- 2026-04-10
AI Technical Summary
The rigid connection between the charging plug and the charging port of a mobile charging robot is prone to mechanical collisions due to slight angular deviations. The lack of force feedback and adaptive compliant control can lead to equipment wear or charging failure.
A high-precision charging port docking device was designed, comprising a limiting structure, a drive wheel, a vision detector, and an electric push rod. The limiting structure adjusts the position of the mobile charging robot, the drive wheel finely adjusts the angle, the vision detector ensures alignment, and the electric push rod achieves a reliable connection between the plug and the socket.
It achieves high-precision docking of the charging port of the mobile charging robot, avoiding mechanical collisions, ensuring successful charging, and extending the life of the equipment.
Smart Images

Figure CN224110598U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to mobile charging robot technical field, concretely relates to a high accuracy charging port docking device of mobile charging robot. BACKGROUND
[0002] With the global energy structure transformation and the enhancement of environmental protection consciousness, the popularity rate of electric vehicles (EV) is significantly improved. However, the shortage of charging infrastructure and the demand of users for charging convenience are increasingly prominent. The traditional fixed charging pile is limited by layout density, site conditions and vehicle parking position deviation, etc. It is difficult to meet the needs of users for flexible and efficient charging service. Under this background, mobile charging robots become an important research direction to solve the last mile of electric vehicle charging because of their characteristics of autonomous navigation and on-demand service.
[0003] The mobile charging robot itself also needs to be charged. It charges the mobile charging robot through the charging base. However, the hard docking of the mobile charging robot charging plug and the charging port is easy to cause mechanical collision due to small angle deviation, lacks force feedback and adaptive compliant control mechanism, and may cause equipment wear or charging failure. SUMMARY
[0004] OBJECTIVE OF THE UTILITY MODEL
[0005] In view of the above technical problems, the utility model provides a high-precision charging port docking device of mobile charging robot to solve the technical problems mentioned in the background art.
[0006] TECHNICAL SCHEME
[0007] In order to achieve the above purpose, the utility model provides a high-precision charging port docking device of mobile charging robot, which comprises a mounting structure, a limiting structure is arranged in the mounting structure, guide grooves are formed on the two sides of the outer wall of the mounting structure, the limiting structure is slidingly connected in the guide grooves, a charging interface structure is arranged on one side of the mounting structure, and a visual detector is arranged on one side of the mounting structure.
[0008] The limiting structure comprises a sliding block and an arc-shaped strip, a driving wheel is rotatably connected in the arc-shaped strip, the number of the driving wheels is multiple, and the driving wheels are arranged in an annular array in the arc-shaped strip.
[0009] Preferably, the mounting structure comprises a placing shell, a placing groove is formed in the placing shell, a side shell is arranged on one side of the placing shell, guide grooves are formed on the two sides of the outer wall of the side shell, an electric telescopic rod is arranged on the top of the side shell, an output end of the electric telescopic rod is provided with a lifting strip, and pull rods are arranged at the bottom of the two ends of the lifting strip.
[0010] Preferably, the sliding block is slidably connected to the inside of the guide groove, a transmission screw rod is rotatably connected between the two sliding blocks, one end of the transmission screw rod is provided with a connecting strip, the connecting strip is connected with the arc-shaped strip, one end of the connecting strip is provided with a matching hole, and the matching hole is matched with the transmission screw rod.
[0011] Preferably, the other end of the transmission screw rod is provided with a transmission shaft, the transmission shaft is rotatably connected to the bottom of the pull rod, and one end of the transmission shaft is provided with a synchronous belt transmission device.
[0012] Preferably, the charging interface structure comprises a connecting pipe and an electric push rod, the connecting pipe is provided with the outer wall of the side shell, one end of the connecting pipe is provided with an insertion shell, a plurality of auxiliary grooves are formed in the outer wall of the insertion shell, and a guide shaft is arranged in the middle of the inner wall of the auxiliary groove.
[0013] Preferably, the electric push rod is arranged in the inside of the side shell, the output end of the electric push rod is provided with a moving plate, the outer wall of the moving plate is rotatably connected with a push rod, one end of the push rod is rotatably connected with a rotating strip, and the inside of the rotating strip is provided with a positioning groove.
[0014] Beneficial effects
[0015] Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:
[0016] The limiting structure can limit the mobile charging robot entering the top of the mounting structure, avoid the outward movement of the mobile charging robot, simultaneously start the driving wheel, and the outer wall of the driving wheel is attached to the outer wall of the mobile charging robot to drive the mobile charging robot to rotate left and right outward, so that the charging port of the mobile charging robot can be aligned with the charging port of the mounting structure, and the position of the mobile charging robot is fine-tuned.
[0017] When the charging port of the mobile charging robot is aligned with the charging interface structure, the electric push rod is started, the electric push rod drives the push rod to rotate, the push rod pushes the rotating strip to move outward, and then the rotating strip is inserted into the inside of the mobile charging robot, so as to be connected with and clamped with the mobile charging robot. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a perspective view of the utility model;
[0019] Figure 2 It is a perspective view of the utility model;
[0020] Figure 3 It is a perspective view of the limiting structure of the utility model;
[0021] Figure 4 The utility model discloses a Figure 2 Partial close -up drawing of A in the middle.
[0022] Reference signs
[0023] 1, mounting structure, 101, place the casing, 102, place the slot, 103, side casing, 104, electric telescopic rod, 105, lift the strip, 106, pull rod, 2, limit structure, 201, sliding block, 202, transmission screw, 203, connecting strip, 204, arc strip, 205, drive wheel, 206, transmission shaft, 207, synchronous belt transmission device, 3, guide slot, 4, charging interface structure, 401, connecting pipe, 402, insert casing, 403, auxiliary slot, 404, guide shaft, 405, electric push rod, 406, moving plate, 407, push rod, 408, rotating strip, 409, positioning slot, 5, visual detector. DETAILED DESCRIPTION
[0024] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise", "coaxial", "bottom", "one end", "top", "the other end", "one side", "front", "both ends", "both sides" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, and therefore cannot be understood as limiting the utility model.
[0025] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.
[0026] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing", "provided with" and the like should be understood broadly, for example, can be fixedly connected, or can be detachably connected, or integrally connected, can be mechanically connected, or can be electrically connected, can be directly connected, or indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0027] Reference will now be made to the drawings, wherein the purpose of each drawing is to illustrate certain exemplary embodiments and is not intended to limit the present application. In the drawings, like reference numerals indicate like or corresponding parts throughout the several views. The dimensions and the proportions of each drawing are only for illustrative purposes and should not be construed as limiting the present application, as these dimensions can be exaggerated relative to actual products.
[0028] Referring to Figures 1-4 , a high-precision charging port docking device of a mobile charging robot is shown, comprising a mounting structure 1, a limiting structure 2 is arranged inside the mounting structure 1, guide grooves 3 are formed on both sides of the outer wall of the mounting structure 1, the limiting structure 2 is slidingly connected inside the guide grooves 3, a charging interface structure 4 is arranged on one side of the mounting structure 1, and a visual detector 5 is arranged on one side of the mounting structure 1.
[0029] The limiting structure 2 comprises a sliding block 201 and an arc-shaped strip 204, a drive wheel 205 is rotatably connected inside the arc-shaped strip 204, the number of the drive wheels 205 is multiple, the drive wheels 205 are arranged in an annular array inside the arc-shaped strip 204, the sliding block 201 is slidingly connected inside the guide grooves 3, a transmission screw rod 202 is rotatably connected between the two sliding blocks 201, a connecting strip 203 is arranged at one end of the transmission screw rod 202, the connecting strip 203 is connected with the arc-shaped strip 204, a matching hole is arranged at one end of the connecting strip 203, the matching hole and the transmission screw rod 202 are matched with each other, a transmission shaft 206 is arranged at the other end of the transmission screw rod 202, the transmission shaft 206 is rotatably connected to the bottom of the pull rod 106, a synchronous belt transmission device 207 is arranged at one end of the transmission shaft 206, a motor is started, the motor drives the transmission screw rod 202 to rotate through the synchronous belt transmission device 207 and the transmission shaft 206, the transmission screw rod 202 drives the connecting strip 203 to move inward, the connecting strip 203 drives the arc-shaped strip 204 to fit the outer wall of the mobile service robot, then the drive wheel 205 is started, the outer wall of the drive wheel 205 fits the outer wall of the mobile service robot, so that the position of the mobile service robot can be finely adjusted, and the visual detector 5 is used to monitor whether the charging port of the mobile service robot is aligned with the charging interface structure 4.
[0030] Further, in the above technical scheme, the installation structure 1 comprises a placing shell 101, a placing groove 102 is opened in the inside of the placing shell 101, a side edge shell 103 is arranged on one side of the placing shell 101, guide grooves 3 are opened on the two sides of the outer wall of the side edge shell 103, an electric telescopic rod 104 is arranged on the top of the side edge shell 103, a lifting strip 105 is arranged on the output end of the electric telescopic rod 104, pull rods 106 are arranged on the two end bottoms of the lifting strip 105, when the mobile service robot needs to be charged, the mobile service robot moves to the directly above of the placing shell 101, then the electric telescopic rod 104 is started, the electric telescopic rod 104 drives the lifting strip 105 to move upwards, the lifting strip 105 drives the pull rods 106 to move upwards, the pull rods 106 drive the limiting structure 2 to move upwards as a whole, the limiting structure 2 slides on the inner wall of the guide groove 3, and the limiting structure 2 moves to the outer wall of the mobile service robot.
[0031] Further, in the above technical scheme, the charging interface structure 4 comprises a connecting pipe 401 and an electric push rod 405, the connecting pipe 401 is arranged on the outer wall of the side edge shell 103, an insertion shell 402 is arranged on one end of the connecting pipe 401, a plurality of auxiliary grooves 403 are opened on the outer wall of the insertion shell 402, a guide shaft 404 is arranged on the inner wall of the auxiliary groove 403, the electric push rod 405 is arranged in the inside of the side edge shell 103, a moving plate 406 is arranged on the output end of the electric push rod 405, a push rod 407 is rotatably connected to the outer wall of the moving plate 406, a rotating strip 408 is rotatably connected to one end of the push rod 407, a positioning groove 409 is opened in the inside of the rotating strip 408, after the mobile service robot is aligned with the insertion shell 402, the electric push rod 405 is started, the electric push rod 405 drives the moving plate 406 to move outward, the moving plate 406 drives the push rod 407 to rotate, the push rod 407 drives the rotating strip 408 to slide on the outer wall of the guide shaft 404, the longitudinal section of the guide shaft 404 is arranged as a positive direction, so that the rotating strip 408 can only move outward, the rotating strip 408 is inserted into the inside of the interface of the mobile service robot, and the rotating strip 408 is connected with the power grid through wires, so that the charging of the mobile service robot is realized.
[0032] The above-described embodiments only express certain implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the patent scope of the present application; it should be pointed out that, for ordinary skilled persons in the art, some modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application; therefore, the protection scope of the present application patent should be subject to the appended claims.
Claims
1. A high-precision charging port docking device of a mobile charging robot, characterized in that, The application relates to a mounting structure (1) which is internally provided with a limiting structure (2), and the outer wall of the mounting structure (1) is provided with guide grooves (3) on both sides, the limiting structure (2) is slidably connected in the guide grooves (3), one side of the mounting structure (1) is provided with a charging interface structure (4), and one side of the mounting structure (1) is provided with a visual detector (5). The limiting structure (2) comprises a sliding block (201) and an arc-shaped strip (204), the arc-shaped strip (204) is rotationally connected with driving wheels (205) in the inside, the number of the driving wheels (205) is plural, and the driving wheels (205) are annularly arranged in the inside of the arc-shaped strip (204).
2. The high-precision charging port docking device of a mobile charging robot according to claim 1, characterized in that: The mounting structure (1) comprises a placing shell (101), the inside of the placing shell (101) is provided with a placing groove (102), one side of the placing shell (101) is provided with a side shell (103), the outer wall of the side shell (103) is provided with guide grooves (3) on both sides, the top of the side shell (103) is provided with an electric telescopic rod (104), the output end of the electric telescopic rod (104) is provided with a lifting strip (105), and the bottom of both ends of the lifting strip (105) is provided with a pull rod (106).
3. The high-precision charging port docking device of a mobile charging robot according to claim 1, characterized in that: The sliding block (201) is slidably connected in the guide grooves (3), the transmission screw rod (202) is rotationally connected between the two sliding blocks (201), one end of the transmission screw rod (202) is provided with a connecting strip (203), the connecting strip (203) is connected with the arc-shaped strip (204), one end of the connecting strip (203) is provided with a matching hole, and the matching hole is matched with the transmission screw rod (202).
4. The high-precision charging port docking device of a mobile charging robot according to claim 3, characterized in that: The other end of the transmission screw rod (202) is provided with a transmission shaft (206), the transmission shaft (206) is rotationally connected with the bottom of the pull rod (106), and one end of the transmission shaft (206) is provided with a synchronous belt transmission device (207).
5. The high-precision charging port docking device of a mobile charging robot according to claim 1, characterized in that: The charging interface structure (4) comprises a connecting pipe (401) and an electric push rod (405), the connecting pipe (401) is arranged on the outer wall of the side shell (103), one end of the connecting pipe (401) is provided with an insertion shell (402), a plurality of auxiliary grooves (403) are formed in the outer wall of the insertion shell (402), and a guide shaft (404) is arranged in the inner wall of the auxiliary grooves (403).
6. The high-precision charging port docking device of a mobile charging robot according to claim 5, characterized in that: The electric push rod (405) is arranged in the inside of the side shell (103), the output end of the electric push rod (405) is provided with a moving plate (406), the outer wall of the moving plate (406) is rotationally connected with a push rod (407), one end of the push rod (407) is rotationally connected with a rotating strip (408), and the inside of the rotating strip (408) is provided with a positioning groove (409).