Charging pile and winding device thereof

Abstract

The utility model relates to a charging pile and a winding device thereof. The winding device of the charging pile comprises a driving mechanism; the winding reel is connected with the driving mechanism; the driving mechanism is used for driving the winding reel to rotate so as to wind a cable of a charging pile on the winding reel; wherein the surface of the winding reel is provided with a winding groove, the winding groove is used for accommodating the cable, and the groove wall of the winding groove is provided with first heat dissipation holes. The charging pile comprises a pile body; the winding device is installed on the pile body. According to the charging pile and the winding device thereof, the driving mechanism drives the winding reel to rotate, the extending length of the cable can be adjusted, and operation is convenient and fast; the first heat dissipation holes are formed in the groove wall of the winding groove, so that the cable wound on the winding reel can be limited, and heat dissipation of the cable is facilitated.

Description

Technical Field

[0001] The present application relates to the technical field of new energy charging equipment, and in particular to a charging pile and a winding device thereof. Background Art

[0002] The function of a charging pile is similar to that of a gas pump in a gas station. It can be fixed on the ground or on a wall and installed in public buildings (public buildings, shopping malls, public parking lots, etc.) and residential parking lots or charging stations. It can charge various models of electric vehicles according to different voltage levels.

[0003] At present, when a car needs to be charged, if the distance between the car and the charging pile is too far, the cable of the charging pile needs to be lengthened so that the charging gun on the cable can be plugged into the car; after charging is completed, the user puts the cable under the charging pile, or winds it up and hangs it on the charging pile. Therefore, during the charging process, the use and arrangement of the cable are inconvenient, which reduces the service life of the cable. Utility Model Content

[0004] Based on this, it is necessary to provide a charging pile and a cable winding device thereof to address the problem of the inconvenience in using and organizing the cables of the charging pile.

[0005] A winding device for a charging pile, comprising:

[0006] Driving mechanism;

[0007] A winding drum connected to the driving mechanism; the driving mechanism is used to drive the winding drum to rotate so as to wind the cable of the charging pile around the winding drum;

[0008] Wherein, a winding groove is provided on the surface of the winding drum, and the winding groove is used to accommodate the cable, and a groove wall of the winding groove is provided with a first heat dissipation hole.

[0009] The winding device of the charging pile mentioned above can adjust the length of the cable extension by driving the winding drum to rotate through the driving mechanism, and the operation is convenient; by arranging the first heat dissipation hole on the groove wall of the winding groove, the cable wound on the winding drum can be limited and the heat dissipation of the cable can be facilitated.

[0010] In one embodiment, the winding groove is configured as a spiral structure rotating around the central axis of the winding drum.

[0011] In one embodiment, the spiral structure includes at least two thread grooves, and the thread grooves are evenly spaced and parallel to each other along the axial direction of the winding drum.

[0012] In one embodiment, the angle between each of the thread grooves and the central axis of the winding drum is in the range of 70° to 80°.

[0013] In one embodiment, the number of the first heat dissipation holes is at least two, and all of the first heat dissipation holes are evenly distributed on the groove wall of each of the thread grooves.

[0014] In one of the embodiments, a hollow channel is provided in the winding drum, and the hollow channel is connected to the outside and the first heat dissipation hole respectively.

[0015] In one embodiment, an air guiding mechanism is further included, the hollow channel has a first opening connected to the outside, and the air guiding mechanism is arranged at the first opening and is used to guide air to the hollow channel.

[0016] In one embodiment, the hollow channel further has a second opening communicating with the outside, the second opening and the first opening are arranged opposite to each other along the axial direction of the winding drum, and the driving mechanism is arranged at the second opening.

[0017] In one embodiment, the winding reel includes a barrel, an adapter and a bracket, the barrel is rotatably connected to the bracket via the adapter, the bracket is installed on the pile body of the charging pile, and the hollow channel is provided in the barrel.

[0018] In one embodiment, the driving mechanism includes a driving member, which includes a mounting portion and an output portion provided on the mounting portion, the mounting portion is fixedly connected to the bracket, and the output portion is drivingly connected to one end of the cylinder where the second opening is located.

[0019] In one embodiment, the driving mechanism further includes a linkage member, and the output portion and the end of the cylinder where the second opening is located are respectively fixedly connected to the linkage member.

[0020] In one embodiment, the bracket includes a support plate, a first baffle plate and a second baffle plate, the first baffle plate and the second baffle plate are arranged at intervals, the first baffle plate and the second baffle plate are connected through the support plate, and the support plate is installed on the pile body;

[0021] One end of the cylinder along the axial direction is rotatably connected to the first baffle, and the other end of the cylinder along the axial direction is rotatably connected to the second baffle.

[0022] In one embodiment, the first baffle plate and / or the second baffle plate is provided with a second heat dissipation hole.

[0023] In one of the embodiments, it also includes a sensor and a controller, the controller is electrically connected to the sensor and the driving mechanism respectively, the sensor is used to detect whether the cables are accumulated on the ground, and the controller controls the operating state of the driving mechanism according to the detection result of the sensor.

[0024] A charging pile, comprising:

[0025] pile body;

[0026] The above-mentioned winding device is installed on the pile body.

[0027] The above-mentioned charging pile can adjust the length of the cable extension by driving the winding drum to rotate through the driving mechanism, and the operation is convenient; by arranging the first heat dissipation hole on the groove wall of the winding groove, the cable wound on the winding drum can be limited and the heat dissipation of the cable can be facilitated. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 Schematic diagram of a charging pile body and a winding device in one embodiment.

[0029] Figure 2 for Figure 1 A front view of the winding device shown.

[0030] Figure 3 for Figure 2 Left side view of the winding device shown.

[0031] Figure 4 for Figure 2 Right side view of the winding device shown.

[0032] Figure 5 for Figure 2 A partial schematic diagram of the winding device shown.

[0033] Figure 6 for Figure 2 A top view of the winding device shown.

[0034] Reference numerals:

[0035] 10. pile body; 20. winding device; 100. driving mechanism; 110. driving member; 111. mounting portion; 112. output portion; 120. linkage member; 200. winding drum; 201. winding groove; 201a. thread groove; 202. first heat dissipation hole; 203. hollow channel; 203a. first opening; 203b. second opening; 210. cylinder body; 220. adapter; 230. bracket; 231. support plate; 232. first baffle plate; 233. second baffle plate; 234. second heat dissipation hole; 300. air guide mechanism. DETAILED DESCRIPTION

[0036] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0037] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0038] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0039] In this application, unless otherwise clearly specified and limited, the terms "initial", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0040] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being “above”, “above”, and “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0041] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0042] Please refer to Figure 1 and Figure 2 In one embodiment, the winding device 20 of the charging pile includes a driving mechanism 100 and a winding drum 200, the winding drum 200 is connected to the driving mechanism 100, and the driving mechanism 100 is used to drive the winding drum 200 to rotate so as to wind the cable of the charging pile on the winding drum 200; wherein, a winding groove 201 is provided on the surface of the winding drum 200, the winding groove 201 is used to accommodate the cable, and the groove wall of the winding groove 201 is provided with a first heat dissipation hole 202.

[0043] It should be noted that a charging gun is installed at the charging end of the cable of the charging pile, and the charging gun is used to charge new energy electrical equipment (such as a car). During the charging process and after charging, the length of the cable needs to be adjusted to a suitable length to avoid the cable piling up on the ground. The cable can be wound and unwound by driving the winding drum 200 to rotate by the driving mechanism 100 to adjust the length of the cable.

[0044] For example, the cable can be wound onto the surface of the winding drum 200 by driving the winding drum 200 to rotate clockwise through the driving mechanism 100 ; the cable wound onto the surface of the winding drum 200 can be unwound by driving the winding drum 200 to rotate counterclockwise through the driving mechanism 100 .

[0045] The winding device 20 of the above-mentioned charging pile can adjust the length of the cable extension by driving the winding drum 200 to rotate through the driving mechanism 100, and the operation is convenient; by providing a first heat dissipation hole 202 on the groove wall of the winding groove 201, the cable wound on the winding drum 200 can be limited, and the heat dissipation of the cable can be facilitated.

[0046] In this embodiment, the winding drum 200 may be a cylindrical structure or an elliptical cylindrical structure, and the specific shape of the winding drum 200 is not limited herein.

[0047] In this embodiment, the groove wall of the winding groove 201 is a concave arc surface to match the shape of the cable; or the groove wall of the winding groove 201 can also be a curved surface of other shapes. The groove width of the winding groove 201 is greater than or equal to the outer diameter of the cable so that the cable can be accommodated in the winding groove 201.

[0048] In this embodiment, the number of the first heat dissipation holes 202 is not limited to one. The first heat dissipation holes 202 may be round holes, square holes or other irregular holes. The number and shape of the first heat dissipation holes 202 are not limited herein.

[0049] Please refer to Figure 2 The winding groove 201 is configured as a spiral structure rotating around the central axis of the winding drum 200 .

[0050] It should be noted that the central axis of the winding drum 200 is along Figure 2 The X direction is shown as extending, Figure 2 The X direction is also the axial direction of the bobbin 200 .

[0051] Here, the winding groove 201 is constructed as a spiral structure rotating around the central axis of the winding drum 200, which can be understood as follows: the winding groove 201 is a spiral structure rotating around the central axis of the winding drum 200. Figure 2 The spiral groove rotates in the X direction.

[0052] Specifically, please refer to Figure 2 and Figure 6 The spiral structure includes at least two thread grooves 201a, and each thread groove 201a is evenly spaced and parallel to each other along the axial direction of the winding drum 200.

[0053] It can be understood that all the thread grooves 201a are along Figure 6 The X direction is shown to be evenly spaced, and all the thread grooves 201a are parallel to each other, so that the cable can be spaced apart when it is wound on the winding drum 200, which is helpful for heat dissipation of the cable.

[0054] In this embodiment, all the thread grooves 201a can form a continuous and uninterrupted groove body to facilitate the processing of the winding groove 201; or, all the thread grooves 201a form an intermittent and discontinuous groove body.

[0055] More specifically, please refer to Figure 2 The angle between each thread groove 201a and the central axis of the winding drum 200 ranges from 70° to 80°.

[0056] It should be noted that if the angle between each thread groove 201a and the central axis of the winding drum 200 is too large, the thread grooves 201a will be too close to each other, which is not conducive to heat dissipation; if the angle between each thread groove 201a and the central axis of the winding drum 200 is too small, it is not conducive to winding. Through the above settings, the angle between each thread groove 201a and the central axis of the winding drum 200 is limited to an optimal range, which is conducive to cable winding and heat dissipation.

[0057] In this embodiment, the angles between each thread groove 201a and the central axis of the winding drum 200 are all the same. In other embodiments, the angles between each thread groove 201a and the central axis of the winding drum 200 can also be different.

[0058] For further information, please refer to Figure 2 The number of the first heat dissipation holes 202 is at least two, and all the first heat dissipation holes 202 are evenly distributed on the groove wall of each thread groove 201a.

[0059] It should be noted that all the first heat dissipation holes 202 are evenly distributed in the winding groove 201 , so as to facilitate rapid heat dissipation at different positions of the winding groove 201 .

[0060] In this embodiment, the number of first heat dissipation holes 202 set on the groove wall of each thread groove 201a is not limited to one. When the number of first heat dissipation holes 202 set on the groove wall of each thread groove 201a is at least two, the first heat dissipation holes 202 on the groove wall of the same thread groove 201a are evenly distributed along the rotation direction of the thread groove 201a.

[0061] In this embodiment, all the first heat dissipation holes 202 have the same shape and size, for example, they are circular holes with the same aperture size. In other embodiments, all the first heat dissipation holes 202 may also have different shapes and sizes.

[0062] Please refer to Figure 2 and Figure 3 A hollow channel 203 is provided in the winding drum 200, and the hollow channel 203 is connected with the outside and the first heat dissipation hole 202 respectively.

[0063] It can be understood that the hollow channel 203 is connected to the outside world and the first heat dissipation hole 202 respectively. When the cable is wound on the winding drum 200, the heat generated by the cable during operation can be dissipated to the outside world through the heat dissipation holes and the hollow channel 203, which is beneficial to improve the heat dissipation efficiency of the cable.

[0064] In this embodiment, the hollow channel 203 is a hollow cylindrical shape. In other embodiments, the hollow channel 203 can also be a hollow elliptical column or other irregular shapes.

[0065] Specifically, please refer to Figure 2 and Figure 4 The winding device 20 of the charging pile also includes an air guiding mechanism 300 . The hollow channel 203 has a first opening 203 a communicating with the outside. The air guiding mechanism 300 is disposed at the first opening 203 a and is used to guide air to the hollow channel 203 .

[0066] Here, when the air guiding mechanism 300 is in operation, the air guiding mechanism 300 guides air to the hollow channel 203, which can further assist the cable in air cooling and heat dissipation, thereby improving the heat dissipation efficiency of the cable.

[0067] In this embodiment, the wind guide mechanism 300 is a fan, and the fan is coaxially arranged with the first opening 203a, which is conducive to uniform distribution of the airflow of the wind guide. In other embodiments, the wind guide mechanism 300 can also be other types of wind guide components.

[0068] In this embodiment, the opening area of ​​the first opening 203 a is larger than the outer diameter of the air guiding mechanism 300 , so that the air guiding mechanism 300 can be accommodated in the first opening 203 a .

[0069] More specifically, please refer to Figures 2 to 4 The hollow channel 203 also has a second opening 203b communicating with the outside. The second opening 203b and the first opening 203a are arranged opposite to each other along the axial direction of the winding drum 200, and the driving mechanism 100 is arranged at the second opening 203b.

[0070] It can be understood that the second opening 203b and the first opening 203a are arranged opposite to each other in the axial direction of the winding drum 200, and the second opening 203b and the first opening 203a are both connected to the outside, so that both ends of the hollow channel 203 in the axial direction of the winding drum 200 are connected to the outside. Through the above arrangement, the driving mechanism 100 and the air guide mechanism 300 are distributed at the opposite ends of the winding drum 200, which can be beneficial to the heat dissipation of the cable and improve the space utilization.

[0071] In this embodiment, the second opening 203b has the same opening area as the first opening 203a. In other embodiments, the second opening 203b may have a different opening area from the first opening 203a.

[0072] Please refer to Figure 3 The winding reel 200 includes a barrel 210 , an adapter 220 and a bracket 230 . The barrel 210 is rotatably connected to the bracket 230 through the adapter 220 . The bracket 230 is installed on the pile body 10 of the charging pile. The hollow channel 203 is provided in the barrel 210 .

[0073] It should be noted that when setting the winding drum 200, in addition to considering how to install the winding drum 200 on the pile body 10 of the charging pile, it is also necessary to consider how to wind the cable of the charging pile around the winding drum 200. Through the above settings, the winding drum 200 is installed on the pile body 10 of the charging pile using the bracket 230, and the drum body 210 is rotatably connected to the bracket 230 using the adapter 220, and the cable winding can be achieved by driving the drum body 210 to rotate through the driving mechanism 100.

[0074] In this embodiment, the adapter 220 includes a first adapter part, a ball bearing and a second adapter part, the second adapter part is sleeved on the outer periphery of the first adapter part, and a plurality of balls are arranged between the first adapter part and the second adapter part so that the first adapter part rotates relative to the second adapter part; the cylinder 210 is fixedly connected to the first adapter part, and the second adapter part is fixedly connected to the bracket 230 so that the cylinder 210 rotates relative to the bracket 230. Optionally, the adapter 220 is a ball bearing.

[0075] In this embodiment, the bracket 230 is detachably connected to the pile body 10 of the charging pile, so as to facilitate the replacement and maintenance of the bracket 230 .

[0076] Specifically, please refer to Figure 5 The driving mechanism 100 includes a driving member 110, which includes a mounting portion 111 and an output portion 112 disposed on the mounting portion 111. The mounting portion 111 is fixedly connected to the bracket 230, and the output portion 112 is drivingly connected to one end of the cylinder 210 where the second opening 203b is located.

[0077] It can be understood that the driving member 110 is installed on the bracket 230 through the installation portion 111, and the cylinder 210 is driven to rotate by the output portion 112 to achieve the winding and unwinding of the cable.

[0078] In this embodiment, the driving member 110 is a motor, and the output portion 112 is an output shaft of the motor. In other embodiments, the driving member 110 can also be other components with a power output portion 112.

[0079] In this embodiment, the mounting portion 111 is detachably connected to the bracket 230. For example, mounting holes are respectively provided on the mounting portion 111 and the bracket 230, and screws or bolts are passed through the mounting holes to fix the mounting portion 111 and the bracket 230.

[0080] More specifically, please refer to Figure 3 and Figure 5 The driving mechanism 100 further includes a linkage member 120 , and the output portion 112 and one end of the cylinder 210 where the second opening 203 b is located are respectively fixedly connected to the linkage member 120 .

[0081] Here, the output portion 112 rotates to drive the linkage member 120 to rotate, and the linkage member 120 drives the cylinder 210 to rotate, so as to achieve the winding and unwinding of the cable.

[0082] In this embodiment, the linkage member 120 is a coupling, and the type of the coupling is not specifically limited herein.

[0083] Please refer to Figure 6The bracket 230 includes a support plate 231, a first baffle 232 and a second baffle 233. The first baffle 232 and the second baffle 233 are arranged at intervals, and the first baffle 232 and the second baffle 233 are connected by the support plate 231. The support plate 231 is installed on the pile body 10; one end of the cylinder 210 along its axial direction is rotatably connected to the first baffle 232, and the other end of the cylinder 210 along its axial direction is rotatably connected to the second baffle 233.

[0084] It should be noted that the axial direction of the cylinder 210 is Figure 6 The first baffle 232 and the second baffle 233 are spaced apart along the axial direction of the cylinder 210 , one end of the cylinder 210 along its axial direction is rotatably connected to the first baffle 232 through a transition piece 220 , and the other end of the cylinder 210 along its axial direction is rotatably connected to the second baffle 233 through another transition piece 220 .

[0085] In this embodiment, the first baffle 232, the second baffle 233 and the support plate 231 are all plate-shaped structures, and the shapes of the first baffle 232, the second baffle 233 and the support plate 231 are all rectangular. In other embodiments, the first baffle 232, the second baffle 233 and the support plate 231 can also be structures of other shapes.

[0086] In this embodiment, the first baffle 232, the second baffle 233 and the support plate 231 are split structures, and the three can be fixedly connected by screwing, riveting or clamping. In other embodiments, the first baffle 232, the second baffle 233 and the support plate 231 can also be an integrated structure with good integrity and high mechanical strength.

[0087] For details about this embodiment, please refer to Figures 3 to 6 The first baffle plate 232 and / or the second baffle plate 233 are provided with second heat dissipation holes 234 .

[0088] It can be understood that by providing the second heat dissipation holes 234 on the first baffle plate 232 and / or the second baffle plate 233 , the heat dissipation of the cable can be further assisted.

[0089] In this embodiment, the second heat dissipation hole 234 may be a round hole, a square hole or other irregular holes, and the shape of the first heat dissipation hole 202 is not limited here.

[0090] In this embodiment, the number of the second heat dissipation holes 234 is not limited to one. At least two second heat dissipation holes 234 can be set on the first baffle plate 232, and each second heat dissipation hole 234 is evenly distributed on the first baffle plate 232; at least two second heat dissipation holes 234 can be set on the second baffle plate 233, and each second heat dissipation holes 234 is evenly distributed on the second baffle plate 233.

[0091] Please refer to Figure 2The winding device 20 of the charging pile also includes a sensor and a controller. The controller is electrically connected to the sensor and the driving mechanism 100 respectively. The sensor is used to detect whether there is cable accumulation on the ground. The controller controls the operating state of the driving mechanism 100 according to the detection result of the sensor.

[0092] For example, before charging, the driving mechanism 100 drives the winding reel 200 to rotate so that the cable is extended to a certain length, and at the same time, the sensor is used to detect whether there is cable accumulation on the ground. When it is detected that there is cable accumulation on the ground, the controller controls the driving mechanism 100 to stop working so that the winding reel 200 stops rotating; after charging is completed, the driving mechanism 100 drives the winding reel 200 to rotate to retract the cable.

[0093] In this embodiment, the sensor is disposed on the side of the first baffle 232 and / or the second baffle 233 close to the ground, so as to detect whether there is cable accumulation on the ground. The sensor may be, but is not limited to, a laser scanning sensor, an infrared sensor, etc., and the type of the sensor is not limited here.

[0094] In this embodiment, the number of sensors is not limited to one, that is, the number of sensors may be at least two and they may be arranged at different positions to improve the accuracy of the detection result.

[0095] Please refer to Figure 1 A charging pile of an embodiment includes a pile body 10 and the above-mentioned winding device 20 , and the above-mentioned winding device 20 is installed on the pile body 10 .

[0096] It should be noted that the winding device 20 is installed on the pile body 10, and a charging gun is installed at the charging end of the cable of the charging pile. The charging gun is used to charge new energy electrical equipment (such as a car). During the charging process and after charging, the length of the cable needs to be adjusted to a suitable length to avoid the cable from piling up on the ground. The driving mechanism 100 of the winding device 20 drives the winding drum 200 to rotate, so as to realize the winding and unwinding of the cable to adjust the length of the cable.

[0097] The above-mentioned charging pile can adjust the length of the cable extension by driving the winding drum 200 to rotate through the driving mechanism 100, and the operation is convenient; by providing a first heat dissipation hole 202 on the groove wall of the winding groove 201, the cable wound on the winding drum 200 can be limited and the heat dissipation of the cable can be facilitated.

[0098] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0099] The above-mentioned embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that, for a person of ordinary skill in the art, several variations 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 patent of the present application shall be subject to the attached claims.

Claims

1. A winding device (20) for a charging pile, characterized in that: include: A driving mechanism (100); A winding drum (200) connected to the driving mechanism (100); the driving mechanism (100) is used to drive the winding drum (200) to rotate so as to wind the cable of the charging pile around the winding drum (200); Wherein, a winding groove (201) is provided on the surface of the winding drum (200), the winding groove (201) is used to accommodate the cable, and a groove wall of the winding groove (201) is provided with a first heat dissipation hole (202).

2. The winding device (20) of the charging pile according to claim 1, characterized in that: The winding groove (201) is configured as a spiral structure rotating around the central axis of the winding drum (200).

3. The winding device (20) of the charging pile according to claim 2, characterized in that: The spiral structure comprises at least two thread grooves (201a), and the thread grooves (201a) are evenly spaced and parallel to each other along the axial direction of the winding drum (200).

4. The winding device (20) of the charging pile according to claim 3, characterized in that: The included angle between each of the thread grooves (201a) and the central axis of the winding drum (200) is in the range of 70° to 80°.

5. The winding device (20) of the charging pile according to claim 3, characterized in that: The number of the first heat dissipation holes (202) is at least two, and all of the first heat dissipation holes (202) are evenly distributed on the groove wall of each of the thread grooves (201a).

6. The winding device (20) of the charging pile according to claim 1, characterized in that: A hollow channel (203) is provided inside the winding drum (200), and the hollow channel (203) is communicated with the outside and the first heat dissipation hole (202) respectively.

7. The winding device (20) of the charging pile according to claim 6, characterized in that: It also includes an air guiding mechanism (300), the hollow channel (203) having a first opening (203a) communicating with the outside, and the air guiding mechanism (300) is arranged at the first opening (203a) and is used to guide air to the hollow channel (203).

8. The winding device (20) of the charging pile according to claim 7, characterized in that: The hollow channel (203) further comprises a second opening (203b) communicating with the outside, the second opening (203b) and the first opening (203a) being arranged opposite to each other along the axial direction of the winding drum (200), and the driving mechanism (100) is arranged at the second opening (203b).

9. The wire winding device (20) of the charging pile according to claim 8, characterized in that: The winding reel (200) comprises a barrel (210), an adapter (220) and a bracket (230); the barrel (210) is rotatably connected to the bracket (230) via the adapter (220); the bracket (230) is mounted on the pile body (10) of the charging pile; and the hollow channel (203) is provided on the barrel (210).

10. The wire winding device (20) of the charging pile according to claim 9, characterized in that: The driving mechanism (100) comprises a driving member (110), the driving member (110) comprising a mounting portion (111) and an output portion (112) provided on the mounting portion (111), the mounting portion (111) being fixedly connected to the bracket (230), and the output portion (112) being drivingly connected to one end of the cylinder (210) where the second opening (203b) is located.

11. The wire winding device (20) of the charging pile according to claim 10, characterized in that: The driving mechanism (100) further comprises a linkage member (120), and the output portion (112) and one end of the cylinder (210) where the second opening (203b) is located are respectively fixedly connected to the linkage member (120).

12. The wire winding device (20) of the charging pile according to claim 9, characterized in that: The bracket (230) comprises a support plate (231), a first baffle plate (232) and a second baffle plate (233); the first baffle plate (232) and the second baffle plate (233) are arranged at intervals; the first baffle plate (232) and the second baffle plate (233) are connected via the support plate (231); and the support plate (231) is mounted on the pile body (10); One end of the cylinder (210) along its axial direction is rotatably connected to the first baffle (232), and the other end of the cylinder (210) along its axial direction is rotatably connected to the second baffle (233).

13. The winding device (20) of the charging pile according to claim 12, characterized in that: The first baffle (232) and / or the second baffle (233) is provided with a second heat dissipation hole (234).

14. The winding device (20) of the charging pile according to claim 1, characterized in that: It also comprises a sensor and a controller, wherein the controller is electrically connected to the sensor and the drive mechanism (100) respectively, the sensor is used to detect whether the cables are accumulated on the ground, and the controller controls the operating state of the drive mechanism (100) according to the detection result of the sensor.

15. A charging pile, characterized in that: include: Pile body (10) ； The winding device (20) according to any one of claims 1 to 14, mounted on the pile body (10).

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