A new energy charging pile

Abstract

This invention discloses a new energy charging pile, including a charging host and a charging gun that works with the charging host. It also includes a winding mechanism and a flat cable wound by the winding mechanism. A wiring device is installed inside the charging host. One end of the flat cable is electrically connected to the charging gun, and the other end passes through the winding mechanism and is electrically connected to the wiring device. When the flat cable is wound up by the winding mechanism, the wiring device disconnects from the flat cable. This device can realize the automatic retraction of the charging gun and prevent the cable from hanging to the ground.

Description

Technical Field

[0001] This invention relates to a new energy charging pile. Background Technology

[0002] With the global energy crisis and environmental pollution becoming increasingly severe, new energy vehicles, as alternatives to traditional gasoline-powered vehicles, have received strong promotion and support from governments worldwide. As a crucial supporting infrastructure for new energy vehicles, the construction and development of charging stations have also attracted significant attention.

[0003] Current status of charging pile development

[0004] Currently, the mainstream new energy vehicle charging piles on the market are mainly divided into two types: AC charging piles and DC charging piles.

[0005] AC charging stations: They have a simple structure and low cost, but the charging speed is relatively slow, generally requiring several hours to fully charge.

[0006] DC charging stations: They offer fast charging speeds and can fully charge electric vehicles in a short time, but they are complex in structure and have higher costs.

[0007] In the existing technology, whether it is an AC charging pile or a DC charging pile, the charging gun cable is a round cable and hangs on the ground.

[0008] This method of operation has the following problems:

[0009] 1. If the cable is placed on the ground, sharp objects on the ground may damage the surface of the cable, causing damage to the charging station.

[0010] 2. Some users lack personal integrity and fail to return the charging gun to its proper place after charging, leaving it on the ground. In rainy weather, the charging gun may get wet and be damaged, and there is also a risk of it being run over by other vehicles.

[0011] Based on the above problems, we designed a new energy charging pile that can automatically retract the charging gun while avoiding the cable from hanging to the ground. Summary of the Invention

[0012] The technical problem to be solved by the present invention is to provide a new energy charging pile that can realize automatic retraction of the charging gun while avoiding the cable from hanging down to the ground.

[0013] To solve the above problems, the present invention adopts the following technical solution:

[0014] A new energy charging pile includes a charging host and a charging gun that works with the charging host. It also includes a winding mechanism and a flat cable wound by the winding mechanism. A wiring device is installed inside the charging host. One end of the flat cable is electrically connected to the charging gun, and the other end passes through the winding mechanism and is electrically connected to the wiring device. When the flat cable is wound up by the winding mechanism, the wiring device disconnects from the flat cable.

[0015] Preferably, the winding mechanism includes a housing, a housing cover, a servo motor, a winding reel, and a cable feeder. The cable feeder is installed at the front of the housing, the housing cover is detachably installed on the side of the housing, the housing is fixed to the charging host, the winding reel is rotatably connected to the housing, the servo motor is gear-driven to the winding reel, the flat cable is wound on the winding reel, and one end of the flat cable passes through the cable feeder and connects to the charging gun.

[0016] Preferably, the winding reel includes a winding shaft and two discs symmetrically arranged outside the winding shaft. A cable-passing groove is provided on the outer wall of the winding shaft between the two discs. The end of the winding shaft located inside the housing is closed, and the other end of the winding shaft passes through the axis of the housing into the charging host. A bearing is fitted between the winding shaft and the housing.

[0017] Preferably, the outer rings of both discs are bent outward to form beveled edges, and the beveled edges on both sides guide the winding of the flat cable.

[0018] Preferably, the surface of the disc is evenly distributed with ventilation holes, an air intake fan is installed at the axis of the cover, and an exhaust hole is opened at the bottom of the outer side of the cover. The air is concentrated by the beveled edge, so that the air blown out by the air intake fan is blown towards the flat cable through the ventilation hole.

[0019] Preferably, air ducts are transversely penetrating both the upper and lower surfaces of the flat cable.

[0020] Preferably, the cable feeder includes a cable feed box that connects to the machine compartment. Multiple support shafts are arranged inside the cable feed box, and rollers are rotatably mounted on the support shafts. The rollers are covered with an elastic rubber sleeve. A guide box is detachably installed at the opening of the cable feed box. The guide box has a V-shaped guide opening. A guide block is fixed at the end of the charging gun. The flat cable passes through the guide block and is electrically connected to the charging gun. The guide block fits into the guide opening.

[0021] Preferably, a tapered locking hole is machined on the side of the guide block, and an electric push rod is installed on the outside of the guide box. After the movable end of the electric push rod is pushed out, it is inserted into the locking hole, at which time the guide block is locked.

[0022] Preferably, two parallel shafts, upper and lower, are provided on the inner wall of the housing, corresponding to the position of the cable inlet box. One parallel shaft is fitted with a second bearing in the housing, and the other parallel shaft passes through the outside of the housing and connects to a motor. The motor is fixed to the housing. Gears are installed on the parallel shafts, and the upper and lower gears mesh. The rotation direction of the gears is opposite to the winding direction of the flat cable. A roller brush is detachably installed on the parallel shafts and acts on the surface of the flat cable. The cable inlet box has a downwardly inclined outlet surface that is inclined downwards towards the housing.

[0023] Preferably, the wiring device includes a frame, a servo push rod, a socket, and a plug. The frame is fixed inside the charging host. A vertical frame is fixed on the top of the frame. The servo push rod is fixed through the vertical frame. The movable end of the servo push rod passes through the vertical frame and is connected to a connecting plate. The connecting plate is fixed to the socket. A guide rod is installed on the surface of the connecting plate. The vertical frame has a linear bearing that cooperates with the guide rod. The plug is fixed at the opening of the winding shaft. The servo motor is fixed on the top of the frame. A terminal block for connecting to the charging host is provided on the top of the plug.

[0024] The beneficial effects of this invention are:

[0025] One advantage is that this device uses flat cables, which can be stacked more orderly when wound, making them easier to manage and preventing cable jams.

[0026] Secondly, after the user completes the charging and settlement, the device uses a winding mechanism to rewind the flat cable, avoiding the flat cable from hanging or being placed on the ground for a long time, thus reducing the flat cable's exposure to sun and rain, as well as wear and tear.

[0027] Thirdly, the rewinding mechanism allows the charging gun to automatically return to its original position after charging is complete, preventing water from entering or being crushed when the charging gun is placed on the ground.

[0028] Fourthly, this device has a high degree of overall integrity. It effectively stores flat cables, keeps the charging station tidy, and reduces the chance of people tripping over them, making it suitable for widespread use. Attached Figure Description

[0029] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0030] Figure 1 This is a schematic diagram of the structure of the present invention;

[0031] Figure 2 This is a cross-sectional view of the present invention;

[0032] Figure 3 This is an exploded view of the winding mechanism.

[0033] Figure 4 This is a schematic diagram of the winding mechanism;

[0034] Figure 5 A three-dimensional view of the winding disc;

[0035] Figure 6 This is a magnified view of point A;

[0036] Figure 7 This is a magnified view of point B;

[0037] Figure 8 This is a 3D view of the aircraft bay;

[0038] Figure 9 This is a schematic diagram showing the fit between two parallel axes, one above the other.

[0039] Figure 10 A schematic diagram showing the separation of the plug and socket;

[0040] Figure 11 This is a diagram illustrating the connection of a plug and socket. Detailed Implementation

[0041] All features disclosed in this specification, or all steps in all disclosed methods or processes, may be combined in any way, except for mutually exclusive features and / or steps.

[0042] Any feature disclosed in this specification (including any appended claims, abstract, and drawings) may be replaced by other equivalent or similar features for a similar purpose, unless specifically stated otherwise. That is, unless specifically stated otherwise, each feature is merely one example of a series of equivalent or similar features.

[0043] In the description of this invention, it should be understood that the terms "one end", "the other end", "outer side", "upper", "inner side", "horizontal", "coaxial", "center", "end", "length", "outer end", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing this invention and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention.

[0044] Furthermore, in the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0045] In this invention, unless otherwise explicitly specified and limited, the terms "set," "socket," "connect," "through," and "plug-in" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0046] See Figure 1 and Figure 2 The illustrated new energy charging pile includes a charging host 1 and a charging gun 2 that works with the charging host 1. It also includes a winding mechanism 3 and a flat cable 4 wound by the winding mechanism 3. A wiring device 5 is installed inside the charging host 1. One end of the flat cable 4 is electrically connected to the charging gun 2, and the other end passes through the winding mechanism 3 and is electrically connected to the wiring device 5. When the flat cable 4 is wound up by the winding mechanism 3, the wiring device 5 disconnects from the flat cable 4.

[0047] The charging host 1 is either a DC host or an AC host; in this embodiment, an AC host is used.

[0048] When using an AC host, a flat cable with the appropriate number of wire cores should be used. The wire cores of the flat cable that is compatible with the AC host include L1, L2, L3, N (neutral wire), PE (grounding wire), CP (control lead wire) and PP (proximity detection wire).

[0049] When using a DC main unit, a flat cable with the appropriate number of cores is used. The cores of the flat cable that is compatible with the DC main unit include the positive (+) wire, the negative (-) wire, the grounding wire (PE) wire, and the communication wire.

[0050] For DC main units, auxiliary power cables can also be provided to provide low-voltage power to vehicles or charging stations.

[0051] In the above technical solution, the winding mechanism 3 is adapted to the flat cable 4, and the winding mechanism 3 winds up the flat cable 4.

[0052] The specific operating steps are as follows:

[0053] The user scans the QR code on the charging host 1 using their mobile phone. After successful scanning, the wiring device 5 disconnects, allowing the winding mechanism 3 to rotate. The user holds the charging gun 2 and pulls out the flat cable 4 until the charging gun 2 connects to the vehicle's charging port. After connection, the user confirms the connection on the mobile client and presets the charging amount. Once set, the winding mechanism 3 actively unwinds to compensate, ensuring the wiring device 5 is accurately aligned, and then the wiring is completed. At this point, the charging gun 2 begins charging.

[0054] After charging is complete, the user selects to end charging on the mobile client. The client prompts the user to disconnect the charging gun 2 from the vehicle. After the charging gun 2 is disconnected from the vehicle, the user confirms on the client that the charging gun 2 has been disconnected, and the charging host 1 also detects that the charging gun 2 has been disconnected. At this time, the charging host 1 controls the wiring device 5 to disconnect and winds up the flat cable 4 through the winding mechanism 3.

[0055] The above operating method can prevent users from forgetting to return the charging gun.

[0056] See Figure 3 and Figure 4 As shown, the winding mechanism 3 includes a housing 31, a housing cover 32, a servo motor 33, a winding reel 34, and a cable feeder 35. The cable feeder 35 is installed at the front of the housing 31, and the housing cover 32 is detachably installed on the side of the housing 31. The housing 31 is fixed to the charging host 1. The winding reel 34 is rotatably connected to the housing 31. The servo motor 33 is gear-driven to the winding reel 34. The flat cable 4 is wound on the winding reel 34, and one end of the flat cable 4 passes through the cable feeder 35 and is connected to the charging gun 2.

[0057] In the above technical solution, the machine compartment 31 is used to carry the winding reel 34 and protect the wound flat cable 4 from sun and rain.

[0058] The number of rotations of the winding disc 34 can be precisely controlled by the servo motor 33. The servo system installed in the charging host 1 is used to automatically control the servo motor 33. When the wiring device 5 needs to be powered, the servo motor 33 can actively compensate so that the wiring device 5 can be accurately aligned.

[0059] See Figure 2As shown, the winding disc 34 includes a winding shaft 341 and two disc bodies 342 symmetrically arranged outside the winding shaft 341. A cable-passing groove 343 is provided on the outer wall of the winding shaft 341 between the two disc bodies 342. The end of the winding shaft 341 located inside the housing 31 is closed, and the other end of the winding shaft 341 passes through the axis of the housing 31 into the charging host 1. A bearing is fitted between the winding shaft 341 and the housing 31.

[0060] In the above technical solution, the flat cable 4 passes through the winding shaft 341, eliminating the need for other complex wiring methods.

[0061] See Figure 5 As shown, the outer rings of both discs 342 are bent outward to form chamfered portions 3441, and the chamfered portions 3441 on both sides guide the winding of the flat cable 4.

[0062] The purpose of the chamfered edge 3441 is to prevent wear on the flat cable 4 and to guide the winding of the flat cable 4.

[0063] See Figure 2 , Figure 3 and Figure 5 As shown, the surface of the disc 342 is evenly distributed with ventilation holes 3442, and an air intake fan 322 is installed at the axis of the cover 32. An exhaust hole 323 is opened at the bottom of the outer side of the cover 32. The air is concentrated by the beveled edge 3441, so that the air blown out by the air intake fan 322 is blown towards the flat cable 4 through the ventilation hole 3442.

[0064] In the above technical solution, by setting ventilation holes 3442 and using a fan 322, the flat cable 4 can be cooled during the charging process.

[0065] During the charging process, the flat cable 4 will generate heat. The heat dissipation capacity of the flat cable 4 will be reduced after it is wound, and overheating may occur. The combination of the above-mentioned ventilation hole 3442 and the air intake fan 322 can play a role in heat dissipation.

[0066] At the same time, the heat generated by the flat cable 4 during operation, combined with the air blowing from the air intake fan 322, can keep the machine compartment 31 dry.

[0067] See Figure 6 As shown, air ducts 41 are transversely penetrating the upper and lower surfaces of the flat cable 4.

[0068] By using a horizontally penetrating air duct 41, air can pass through the overlapping area of ​​the flat cable 4, thereby effectively dissipating heat from the flat cable 4.

[0069] See Figure 6 , Figure 7 and Figure 8 As shown, the cable feeder 35 includes a cable feed box 351, which is connected to the machine compartment 31. Multiple support shafts 352 are arranged inside the cable feed box 351. Rollers are rotatably mounted on the support shafts 352. The rollers are covered with an elastic rubber outer sleeve 353. A guide box 354 is detachably installed at the opening of the cable feed box 351. The guide box 354 has a V-shaped guide opening 355. A guide block 356 is fixed at the end of the charging gun 2. The flat cable 4 passes through the guide block 356 and is electrically connected to the charging gun 2. The guide block 356 fits into the guide opening 355.

[0070] In the above technical solution, the return and guidance of the charging gun 2 can be achieved through the cooperation of the guide block 356 and the guide port 355.

[0071] See Figure 6 As shown, a tapered locking hole 357 is machined on the side of the guide block 356, and an electric push rod 358 is installed on the outside of the guide box 354. After the movable end of the electric push rod 358 is pushed out, it is inserted into the locking hole 357, at which time the guide block 356 is locked.

[0072] In the above technical solution, the extension of the electric push rod 358 can lock the guide block 356, preventing the charging gun 2 from being maliciously pulled out.

[0073] See Figure 7 and Figure 9 As shown, on the inner wall of the housing 31, corresponding to the position of the cable inlet box 351, there are two parallel shafts 3331, one upper and one lower. One parallel shaft 3331 is fitted with a second bearing 3332 between itself and the housing 31. The other parallel shaft 3331 passes through the outside of the housing 31 and is connected to a motor 3333. The motor 3333 is fixed to the housing 31. A gear 3334 is installed on the parallel shaft 3331. The upper and lower gears 3334 mesh. The rotation direction of the gears 3334 is opposite to the winding direction of the flat cable 4. A roller brush 3335 is detachably installed on the parallel shaft 3331. The roller brush 3335 acts on the surface of the flat cable 4. The cable inlet box 351 has a downwardly inclined guide surface 3555, which is inclined downward towards the housing 31.

[0074] In the above technical solution, the rotation direction of the roller brush 3335 is opposite to the winding direction of the flat cable 4, so that during the winding process of the flat cable 4, the high-speed rotation of the roller brush 3335 can play a reverse force to clean the surface of the flat cable 4.

[0075] The main issue is that when the flat cable 4 is dragged on the ground and the ground is wet, small stones and other particles will adhere to the surface of the flat cable 4. When the flat cable 4 is wrapped, these small particles will crush the surface of the flat cable 4.

[0076] The active rotation of the aforementioned roller brush 3335 can clean the upper and lower surfaces of the flat cable 4.

[0077] See Figure 2 , Figure 10 and Figure 11 As shown, the wiring device 5 includes a frame 51, a servo push rod 52, a socket 53, and a plug 54. The frame 51 is fixed inside the charging host 1. A vertical frame 55 is fixed on the top of the frame 51. The servo push rod 52 is fixed through the vertical frame 55. The movable end of the servo push rod 52 passes through the vertical frame 55 and is connected to a connecting plate 56. The connecting plate 56 is fixed to the socket 53. A guide rod 57 is installed on the surface of the connecting plate 56. The vertical frame 55 has a linear bearing 58 that cooperates with the guide rod 57. The plug 54 is fixed at the opening of the winding shaft 341. The servo motor 33 is fixed on the top of the frame 51. A terminal block 554 for connecting the charging host 1 is provided on the top of the plug 54.

[0078] In the above technical solution, the servo motor 33 can actively compensate, so that the plug 54 and the socket 53 are compatible.

[0079] The plug 54 and socket 53 can be connected and disconnected by the servo push rod 52.

[0080] When the plug 54 and socket 53 are plugged in, an additional locking torque is generated to prevent the flat cable 4 from being pulled out during charging.

[0081] After charging is complete and the flat cable 4 is wound up, the plug 54 and socket 53 can be used to lock the cable in place and prevent it from being pulled out.

[0082] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of this invention is defined by the appended claims and their equivalents.

Claims

1. A new energy charging pile, comprising a charging host (1) and a charging gun (2) cooperating with the charging host (1), characterized in that: It also includes a winding mechanism (3) and a flat cable (4) wound by the winding mechanism (3). A wiring device (5) is installed inside the charging host (1). One end of the flat cable (4) is electrically connected to the charging gun (2), and the other end passes through the winding mechanism (3) and is electrically connected to the wiring device (5). When the flat cable (4) is wound by the winding mechanism (3), the wiring device (5) disconnects from the flat cable (4). The winding mechanism (3) includes a housing (31), a housing cover (32), a servo motor (33), a winding reel (34), and a cable feeder (35). The cable feeder (35) is installed at the front of the housing (31), and the housing cover (32) is detachably mounted. The device is mounted on the side of the housing (31), which is fixed to the charging host (1). The winding reel (34) is rotatably connected to the housing (31). The servo motor (33) is gear-driven to the winding reel (34). The flat cable (4) is wound on the winding reel (34). One end of the flat cable (4) passes through the cable feeder (35) and is connected to the charging gun (2). The cable feeder (35) includes a cable feed box (351), which is connected to the housing (31). Multiple support shafts (352) are provided inside the cable feed box (351). Rollers are rotatably mounted on the support shafts (352). Springs are sleeved on the outside of the rollers. The outer casing (353) is made of rubber. A guide box (354) is detachably installed at the opening of the cable inlet box (351). The guide box (354) has a V-shaped guide opening (355). A guide block (356) is fixed at the end of the charging gun (2). The flat cable (4) passes through the guide block (356) and is electrically connected to the charging gun (2). The guide block (356) fits into the guide opening (355). In the inner wall of the housing (31), two parallel shafts (3331) are arranged at the position corresponding to the cable inlet box (351). One of the parallel shafts (3331) is fitted with a second bearing (3332) between it and the housing (31). The parallel shaft (3331) passes through the outside of the housing (31) and is connected to a motor (3333). The motor (3333) is fixed to the housing (31). A gear (3334) is installed on the parallel shaft (3331). The upper and lower gears (3334) mesh. The rotation direction of the gear (3334) is opposite to the winding direction of the flat cable (4). A roller brush (3335) is detachably installed on the parallel shaft (3331). The roller brush (3335) acts on the surface of the flat cable (4). The cable inlet box (351) has a downwardly inclined outlet surface (3555). The outlet surface (3555) is inclined downward towards the housing (31).

2. The new energy charging pile according to claim 1, characterized in that: The winding disc (34) includes a winding shaft (341) and two discs (342) symmetrically arranged outside the winding shaft (341). A cable-passing groove (343) is provided on the outer wall of the winding shaft (341) between the two discs (342). The end of the winding shaft (341) located inside the housing (31) is closed, and the other end of the winding shaft (341) passes through the charging host (1) from the axis of the housing (31). A bearing is fitted between the winding shaft (341) and the housing (31).

3. The new energy charging pile according to claim 2, characterized in that: The outer rings of both discs (342) are bent outward to form chamfered portions (3441), and the chamfered portions (3441) on both sides guide the winding of the flat cable (4).

4. The new energy charging pile according to claim 3, characterized in that: The surface of the disc (342) is evenly distributed with ventilation holes (3442), and an air intake fan (322) is installed at the axis of the cover (32). An exhaust hole (323) is opened at the bottom of the outer side of the cover (32). The air is gathered by the chamfered part (3441), so that the air blown out by the air intake fan (322) is blown towards the flat cable (4) through the ventilation hole (3442).

5. The new energy charging pile according to claim 4, characterized in that: Air ducts (41) are transversely penetrating the upper and lower surfaces of the flat cable (4).

6. The new energy charging pile according to claim 1, characterized in that: A tapered locking hole (357) is machined on the side of the guide block (356), and an electric push rod (358) is installed on the outside of the guide box (354). After the movable end of the electric push rod (358) is pushed out, it is inserted into the locking hole (357), and the guide block (356) is locked at this time.

7. The new energy charging pile according to claim 2, characterized in that: The wiring device (5) includes a frame (51), a servo push rod (52), a socket (53), and a plug (54). The frame (51) is fixed inside the charging host (1). A vertical frame (55) is fixed on the top of the frame (51). The servo push rod (52) is fixed through the vertical frame (55). The movable end of the servo push rod (52) passes through the vertical frame (55) and is connected to a connecting plate (56). The connecting plate (56) is fixed to the socket (53). A guide rod (57) is installed on the surface of the connecting plate (56). The vertical frame (55) has a linear bearing (58) that cooperates with the guide rod (57). The plug (54) is fixed at the opening of the winding shaft (341). The servo motor (33) is fixed on the top of the frame (51). A wiring terminal (554) for connecting the charging host (1) is provided on the top of the plug (54).

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