Charging pile cable automatic take-up device

Abstract

The utility model discloses a charging pile cable automatic take-up device which comprises a fixing frame, a take-up roller and a power connection assembly, the surface of the fixing frame is fixedly provided with a driving motor and a guide roller, the surface of the guide roller is sleeved with a wire reel in a sliding mode, the surface of the guide roller is provided with a clip groove, and the inner side of the wire reel is provided with a convex guide edge meshed with the clip groove. The power connection assembly comprises a junction box, a main shaft rod, a connecting-in end row, a connecting-out end row, a first sliding ring set and a second sliding ring set, wherein the connecting-in end row and the connecting-out end row are fixed to the junction box and the inner side of the winding roller respectively; and the first sliding ring set and the second sliding ring set are fixed to the surface of the main shaft rod. According to the utility model, through the arrangement of the novel cable arranging structure, cable arranging and guiding are carried out through the cable guiding disc when the driving motor drives the cable winding roller to rotate to carry out cable winding motion, and the cable guiding disc rotates along with a cable and carries out reciprocating motion on the surface of the guide roller, so that the cable is uniformly laid on the surface of the cable winding roller to realize cable arranging work; and the winding stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of charging piles, in particular to an automatic cable winding device for a charging pile. Background Art

[0002] New energy vehicles refer to vehicles that use unconventional automotive fuels as a power source, integrate advanced technologies in vehicle power control and driving, and form advanced technical principles, new technologies, and new structures. And with the emergence of electric vehicles, the use of charging piles, ancillary equipment for electric vehicles, has also increased. China Publication No. CN205498649U discloses an electric vehicle charging pile with an automatic wire-winding function, which involves the technical field of electric vehicle charging equipment, including a charging pile, a plug-in gun fixing seat, a charging plug-in gun, an automatic wire-winding device, and a cable; a wire outlet is provided on the charging pile, and the automatic wire-winding device is inside the charging pile. One end of the cable is connected to the automatic wire-winding device and the other end extends to the outside of the charging pile through the wire outlet and is connected to the charging plug-in gun. The structure is simple, and the cable can be prevented from being exposed outside the charging pile when not charging. It is safe, reliable, and beautiful.

[0003] The existing automatic winding structure is too simple, and the automatic winding function of the charging pile cable is only realized by rotating the roller. During the winding process, the cable is piled up on the roller surface due to the irrational wire structure, which can easily lead to cable stacking and entanglement, scratching the inner wall of the charging pile, and other phenomena that wear the cable surface and cause cable damage. In addition, the electrical connection between the cable and the output end of the charging pile is prone to poor contact during the rotation of the roller, which has certain defects. In view of this, the existing problems are studied and improved, and an automatic winding device for charging pile cables is provided to solve the current problems, aiming to achieve the purpose of solving problems and improving practical value through this technology. Utility Model Content

[0004] The utility model aims to solve one of the technical problems existing in the prior art or related technology.

[0005] To this end, the technical solution adopted by the utility model is: an automatic cable winding device for a charging pile, comprising: a fixed frame, a winding roller and a power connection component, a driving motor and a guide roller are fixedly installed on the surface of the fixed frame, a wire reel is slidably sleeved on the surface of the guide roller, a serpentine groove is opened on the surface of the guide roller, and a convex guide ridge engaged with the serpentine groove is provided on the inner side of the wire reel, the power connection component comprises a junction box, a main shaft rod and an access end row and an outlet end row respectively fixed to the junction box and the inner side of the winding roller, and a first slip ring group and a second slip ring group fixed to the surface of the main shaft rod, the access end row and the outlet end row are respectively electrically connected to the surfaces of the first slip ring group and the second slip ring group, and the ends of the access end row and the outlet end row are respectively electrically connected to the output end of the charging pile and the charging pile cable.

[0006] In a preferred example, the utility model can be further configured as follows: one end of the main shaft is electrically connected to the output end of the driving motor, and the main shaft is fixed to the axis of the winding roller.

[0007] In a preferred example, the utility model can be further configured as follows: the first slip ring group and the access end row have the same structure and are both provided with metal guide rings with the same number of strands as the charging pile cable on their surfaces, and the first slip ring group and each metal guide ring of the access end row are connected one by one.

[0008] In a preferred example, the utility model can be further configured as follows: the input terminal row and the output terminal row are both provided with brushes abutting against each metal guide ring, and the brushes adopt a carbon brush structure.

[0009] In a preferred example, the utility model can be further configured as follows: the meandering groove is a spiral groove structure of two spiral grooves intersecting each other in opposite directions end to end, and the length of the meandering groove is the same as the width of the winding roller.

[0010] In a preferred example, the utility model can be further configured as follows: a resistance ring is fixedly sleeved on the surface of the wire reel, and the resistance ring is a silicone material component used for interference fit with the surface of the charging pile cable.

[0011] The beneficial effects achieved by the utility model are:

[0012] 1. In the utility model, a new type of cable management structure is provided, and the cable is guided by the wire drum during the cable winding movement driven by the driving motor to rotate the winding roller, and the wire drum rotates with the sun cable, and reciprocates on the surface of the guide roller, so that the cable is evenly laid on the surface of the winding roller to achieve cable management and improve the stability of the winding line.

[0013] 2. In the utility model, the winding roller automatically reels and unwinds the wire under the forward and reverse drive of the driving motor, and the wire reel provides resistance guidance to ensure the stability of the winding wire. During the rolling motion of the winding roller, the input end row and the output end row are electrically connected to the output end of the charging pile and the surface of the cable respectively to connect the circuit, thereby improving the electrical connection effect and ensuring the stable connectivity of the circuit of the cable in the winding line. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the utility model;

[0015] Figure 2 This is a schematic diagram of the guide roller and wire reel structure of an embodiment of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of a winding roller and a power connection assembly according to an embodiment of the utility model;

[0017] Figure 4 The figure is a schematic diagram of the main shaft surface structure of one embodiment of the utility model.

[0018] Reference numerals:

[0019] 100, fixed frame; 110, driving motor; 120, guide roller; 130, wire reel; 121, meander groove; 131, convex guide edge; 132, resistance ring;

[0020] 200, winding roller;

[0021] 300, power connection assembly; 310, junction box; 320, first slip ring assembly; 330, input terminal row; 340, second slip ring assembly; 350, output terminal row; 311, main shaft rod. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0023] A charging pile cable automatic wire winding device provided by some embodiments of the utility model is described below in conjunction with the accompanying drawings.

[0024] Combination Figure 1-4 As shown, the utility model provides an automatic cable winding device for a charging pile, comprising: a fixed frame 100, a winding roller 200 and a power connection component 300, a driving motor 110 and a guide roller 120 are fixedly mounted on the surface of the fixed frame 100, a wire reel 130 is slidably sleeved on the surface of the guide roller 120, a serpentine groove 121 is provided on the surface of the guide roller 120, a convex guide ridge 131 meshing with the serpentine groove 121 is provided on the inner side of the wire reel 130, and the power connection component 300 includes a junction box 310, a main shaft 311 and an input terminal row 330 and an output terminal row 350 respectively fixed to the inner side of the junction box 310 and the winding roller 200, and a first slip ring group 320 and a second slip ring group 340 fixed to the surface of the main shaft 311, the input terminal row 330 and the output terminal row 350 are respectively electrically connected to the surfaces of the first slip ring group 320 and the second slip ring group 340, and the ends of the input terminal row 330 and the output terminal row 350 are respectively electrically connected to the output end of the charging pile and the charging pile cable.

[0025] In this embodiment, one end of the main shaft 311 is electrically connected to the output end of the driving motor 110 , and the main shaft 311 is fixed on the axis of the winding roller 200 .

[0026] Specifically, the driving motor 110 is used to drive the main shaft rod 311 to perform winding driving and reverse driving during unwinding.

[0027] In this embodiment, the first slip ring group 320 and the access terminal row 330 have the same structure and are both provided with metal guide rings with the same number of strands as the charging pile cable on their surfaces. The first slip ring group 320 and the metal guide rings of the access terminal row 330 are connected one by one.

[0028] Furthermore, both the input terminal row 330 and the output terminal row 350 are provided with brushes abutting against each metal guide ring, and the brushes adopt a carbon brush structure.

[0029] Specifically, the input terminal row 330 and the output terminal row 350 are electrically connected to the charging pile output terminal and the cable surface respectively, and the circuit is connected through the first slip ring group 320, the main shaft rod 311 and the input terminal row 330 to ensure stable connection of the cable circuit in the winding line.

[0030] In this embodiment, the meander groove 121 is a spiral groove structure of two spiral grooves intersecting each other in opposite directions end to end, and the length of the meander groove 121 is the same as the width of the winding roller 200 .

[0031] Specifically, by utilizing the rotational motion of the wire drum 130 on the surface of the guide roller 120, part of the rotational kinetic energy is converted into the linear motion kinetic energy of the wire drum 130 on the surface of the guide roller 120, so as to perform reciprocating sliding.

[0032] In this embodiment, a resistance ring 132 is fixedly sleeved on the surface of the wire reel 130. The resistance ring 132 is a silicone material component used for interference fit with the surface of the charging pile cable.

[0033] Specifically, under the contact of the resistance ring 132, the contact friction effect between the cable and the wire drum 130 is improved, so that the wire drum 130 can roll along with the movement of the cable.

[0034] The working principle and use process of this utility model:

[0035] In the cable connection, the input terminal row 330 and the output terminal row 350 are respectively electrically connected to the charging pile output terminal and the cable surface to perform circuit connection. The surface circuits of the second slip ring group 340 and the first slip ring group 320 are connected one by one. When the drive motor 110 drives the winding roller 200 to rotate to perform the cable winding movement, the wire drum 130 is used to guide the cable, and the wire drum 130 rotates with the sun cable, reciprocating on the surface of the guide roller 120, and the cable is evenly laid on the surface of the winding roller 200 to achieve the cable management work. When the cable is subjected to external tension, the drive motor 110 automatically cooperates with the tension to perform reverse movement to unwind the cable, so that the cable is output to the outside of the charging pile through the wire drum 130 for charging.

[0036] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An automatic cable winding device for a charging pile, It is characterized in that include: A fixed frame (100), a winding roller (200) and a power connection assembly (300), wherein a driving motor (110) and a guide roller (120) are fixedly mounted on the surface of the fixed frame (100), a wire reel (130) is slidably sleeved on the surface of the guide roller (120), a serpentine groove (121) is provided on the surface of the guide roller (120), and a convex guide ridge (131) is provided on the inner side of the wire reel (130) for engaging with the serpentine groove (121), and the power connection assembly (300) comprises a junction box (310), a main shaft rod (31 1) and an input terminal row (330) and an output terminal row (350) respectively fixed to the inner side of a junction box (310) and a winding roller (200), and a first slip ring group (320) and a second slip ring group (340) fixed to the surface of a main shaft rod (311), the input terminal row (330) and the output terminal row (350) being respectively electrically connected to the surfaces of the first slip ring group (320) and the second slip ring group (340), and the ends of the input terminal row (330) and the output terminal row (350) being respectively electrically connected to the output end of a charging pile and a charging pile cable.

2. The automatic cable winding device for a charging pile according to claim 1, It is characterized in that One end of the main shaft (311) is electrically connected to the output end of the driving motor (110), and the main shaft (311) is fixed on the axis of the winding roller (200).

3. The automatic cable winding device for a charging pile according to claim 1, It is characterized in that The first slip ring group (320) and the access end row (330) have the same structure and are both provided with metal guide rings having the same number of strands as the charging pile cable on their surfaces, and the metal guide rings of the first slip ring group (320) and the access end row (330) are connected in a one-to-one correspondence.

4. The automatic cable winding device for a charging pile according to claim 3, It is characterized in that The input terminal row (330) and the output terminal row (350) are both provided with brushes that abut against each metal guide ring, and the brushes adopt a carbon brush structure.

5. The automatic cable winding device for a charging pile according to claim 1, It is characterized in that The meander grooves (121) are two spiral groove structures that intersect in opposite directions end to end, and the length of the meander grooves (121) is the same as the width of the winding roller (200).

6. The automatic cable winding device for a charging pile according to claim 1, It is characterized in that A resistance ring (132) is fixedly sleeved on the surface of the conductor reel (130); the resistance ring (132) is a silicone material component used for interference fit with the surface of the charging pile cable.

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