Charging base, charging base cable assembly, and charging base electrical connection assembly

Abstract

The utility model discloses a charging seat, charging seat cable assembly and charging seat electric connection subassembly, and the charging seat includes the casing, the terminal, the cable and cooling device. The terminal sets up in the casing, and including first connecting end, and the first connecting end includes the collar. The cable has the stick structure, and one end is sleeved in the collar to be connected with the first connecting end electricity, and the other end is led out from the casing. Cooling device includes cooling pipeline and sets up in the liquid cooling box of casing. The cable has the hollow cavity, and the cooling pipeline passes through the hollow cavity to cool the cable, and the cooling pipeline passes through the center through -hole of the collar to be connected to the liquid cooling box to communicate with the liquid cooling box. The utility model adopts the stick material as the cable material, and the section area is small, and the weight is light, and the manufacturing cost is low, and the manufacturing technology is simple, and is convenient to install with the liquid cooling pipeline.

Description

Technical Field

[0001] This utility model relates to a charging dock and the charging dock cable assembly and the charging dock electrical connection assembly therein. Background Technology

[0002] In existing technologies, the connection between the charging base and the battery pack of electric vehicles uses high-voltage copper wires, aluminum wires, or aluminum busbars as transmission cables. These cables are not only heavy, but also accumulate a lot of heat when conducting large currents, thus creating safety hazards. Utility Model Content

[0003] The purpose of this utility model is to solve at least one aspect of the aforementioned problems and defects existing in the prior art.

[0004] According to one aspect of the present invention, a charging dock is provided, comprising a housing, terminals, a cable, and a cooling device. The terminals are disposed in the housing and include a first connecting end, the first connecting end including a collar. The cable has a rod-like structure, one end of which is sleeved within the collar for electrical connection to the first connecting end, and the other end of which extends out of the housing. The cooling device includes a cooling pipe and a liquid-cooled box disposed in the housing. The cable has a hollow cavity, the cooling pipe passing through the hollow cavity to cool the cable, and the cooling pipe passing through a central through-hole in the collar to connect to the liquid-cooled box for communication with the liquid-cooled box.

[0005] According to an exemplary embodiment of the present invention, the conductor of the cable is a hollow rod-shaped structure.

[0006] According to another exemplary embodiment of the present invention, the collar is fitted onto the outside of the exposed conductor core of the cable.

[0007] According to another exemplary embodiment of the present invention, the collar is connected to the conductor of the cable by welding or threaded connection.

[0008] According to another exemplary embodiment of the present invention, the terminal includes a connection terminal and a charging terminal. The connection terminal includes a first connection end and a second connection end; the charging terminal is electrically connected to the second connection end of the connection terminal.

[0009] According to another exemplary embodiment of the present invention, the second connection end of the connection terminal is adapted to be fastened to the charging terminal by a fastener.

[0010] According to another exemplary embodiment of the present invention, the second connecting end is flat and has a connecting hole formed thereon that allows the fastener to pass through. When the second connecting end is fastened to the charging terminal, the surface of the second connecting end is in electrical contact with the conductive surface of the charging terminal.

[0011] According to another exemplary embodiment of the present invention, the connecting terminal further includes a connecting portion connected between the first connecting end and the second connecting end.

[0012] According to another exemplary embodiment of the present invention, the housing is filled with adhesive to protect the joint area of ​​the cooling pipe and increase the electrical isolation between the terminals within the housing.

[0013] According to another exemplary embodiment of the present invention, the housing includes a front cover, a housing body and a rear cover. The front cover is provided with a charging port, which is adapted to be connected to a charging gun. A portion of the charging terminal is inserted into the charging port, and the other end of the cable is led out from the rear cover.

[0014] According to another exemplary embodiment of the present invention, when the charging gun is mated and connected to the charging port, the charging terminal is electrically connected to the mating terminal in the charging gun.

[0015] According to another exemplary embodiment of the present invention, the liquid cooling box includes an inlet pipe and an outlet pipe, the inlet pipe being connected to the cooling pipeline, and the outlet pipe being led out from the rear cover.

[0016] According to another exemplary embodiment of the present invention, the liquid cooling box is in thermal contact with the terminal for cooling the terminal.

[0017] According to another aspect of the present invention, a charging dock cable assembly is provided, comprising a cable, a connecting terminal, and a cooling conduit. The cable has a hollow conductor. One end of the connecting terminal includes a collar, which is sleeved on the outside of the conductor. The cooling conduit passes through a central through-hole of the conductor and the collar to connect to a liquid cooling box. The cooling conduit is used to cool the conductor and the connecting terminal of the cable.

[0018] According to another aspect of this utility model, a charging dock electrical connection assembly is provided, including the aforementioned charging dock cable assembly and a charging terminal. The charging terminal is electrically connected to the other end of the connection terminal.

[0019] According to an exemplary embodiment of the present invention, the charging dock electrical connection assembly further includes a liquid cooling box, the cooling pipe being connected to the liquid cooling box for communication with the liquid cooling box, the liquid cooling box being in thermal contact with the connection terminal and / or the charging terminal for cooling the connection terminal and / or the charging terminal.

[0020] According to another aspect of the present invention, a charging dock is provided, comprising a housing and the aforementioned charging dock electrical connection assembly. The connection terminal, the charging terminal, and the liquid cooling box are inserted into the housing, and one end of the cable is located in the housing, while the other end extends out of the housing.

[0021] In the foregoing exemplary embodiments of the present invention, a hollow liquid-cooled conductive rod (e.g., a copper or aluminum rod) is used as the cable for transmitting current in the charging socket. By adding a liquid cooling circuit, the liquid cooling box and cooling pipe are assembled and pass through the hollow conductive rod to actively cool the conductive rod, the connecting terminal, and the charging terminal, thereby avoiding the accumulation of a lot of heat in the cable when transmitting a large current and reducing safety hazards during the charging process.

[0022] This invention uses hollow rods as the cable material, which has a smaller cross-sectional area, lighter weight, lower manufacturing cost, simpler manufacturing process, and is convenient to install with liquid cooling pipelines compared to existing wires.

[0023] In addition, the connecting terminals have collars, which are connected to the conductive rods by welding or screwing. The cooling pipes pass through the central through-hole of the collars and connect to the liquid cooling box, making installation convenient. After assembling into a semi-finished wire harness, glue is poured into the inside of the housing to protect the joint area of ​​the cooling pipes and increase the electrical isolation between the terminals inside the housing.

[0024] Furthermore, the current transmission cable and cooling device of this invention are arranged independently within the charging base housing and have a compact structure.

[0025] Other objects and advantages of the present invention will become apparent from the following description of the invention with reference to the accompanying drawings, and will help to provide a comprehensive understanding of the invention. Attached Figure Description

[0026] Figure 1A A perspective view of a charging stand according to an exemplary embodiment of the present invention is shown; Figure 1B show Figure 1A An exploded 3D view of the charging dock shown. Figure 2 show Figure 1B The diagram shows the charging dock's connection terminals, charging terminals, cables, and cooling device assembled together. Figure 3show Figure 1B A 3D schematic diagram of the charging dock's cables; Figure 4A show Figure 1B A three-dimensional schematic diagram of the connection terminals of the charging dock shown; Figure 4B show Figure 4A The longitudinal sectional view of the connecting terminal shown. Detailed Implementation

[0027] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings. In this specification, the same or similar reference numerals indicate the same or similar components. The following description of the embodiments of this utility model with reference to the accompanying drawings is intended to explain the overall concept of this utility model and should not be construed as a limitation thereof.

[0028] Furthermore, in the following detailed description, numerous specific details are set forth for ease of explanation to provide a thorough understanding of the embodiments disclosed herein. However, it will be apparent that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and apparatuses are illustrated to simplify the figures.

[0029] According to a general technical concept of this utility model, a charging dock is provided, including a housing, terminals, a cable, and a cooling device. The terminals are disposed in the housing and include a first connecting end, which includes a collar. The cable has a rod-like structure, one end of which is sleeved within the collar for electrical connection to the first connecting end, and the other end of which extends out of the housing. The cooling device includes a cooling pipe and a liquid-cooled box disposed in the housing. The cable has a hollow cavity, the cooling pipe passes through the hollow cavity to cool the cable, and the cooling pipe passes through a central through-hole in the collar to connect to the liquid-cooled box, thus communicating with the liquid-cooled box.

[0030] According to another overall technical concept of this utility model, a charging dock cable assembly is provided, including a cable, a connecting terminal, and a cooling conduit. The cable has a hollow conductor. One end of the connecting terminal includes a collar, which is sleeved on the outside of the conductor. The cooling conduit passes through a central through-hole of the conductor and the collar to connect to a liquid cooling box. The cooling conduit is used to cool the conductor and the connecting terminal of the cable.

[0031] According to another overall technical concept of this utility model, a charging dock electrical connection assembly is provided, including the aforementioned charging dock cable assembly and a charging terminal. The charging terminal is electrically connected to the other end of the connection terminal.

[0032] According to another general technical concept of this utility model, a charging dock is provided, including a housing and the aforementioned charging dock electrical connection assembly. The connection terminal, the charging terminal, and the liquid cooling box are inserted into the housing, and one end of the cable is located in the housing, while the other end is led out from the housing.

[0033] Figure 1A A perspective view of a charging stand according to an exemplary embodiment of the present invention is shown; Figure 1B show Figure 1A An exploded 3D view of the charging dock shown. Figure 2 show Figure 1B The diagram shows the charging dock's connection terminals, charging terminals, cables, and cooling device assembled together. Figure 3 show Figure 1B A 3D schematic diagram of the charging dock's cables; Figure 4A show Figure 1B A three-dimensional schematic diagram of the connection terminals of the charging dock shown; Figure 4B show Figure 4A The longitudinal sectional view of the connecting terminal shown.

[0034] Such as 1A to Figure 4B As shown in the illustrated embodiment, a charging dock is disclosed, including a housing 10, terminals, a cable 40, and a cooling device 50. The terminals are disposed within the housing 10 and include a connection terminal 20 and a charging terminal 30. The connection terminal 20 includes a first connection end 202, a second connection end 201, and a connecting portion 203 connecting the first connection end 202 and the second connection end 201. The first connection end 202 includes a collar 212. The charging terminal 30 is electrically connected to the second connection end 201 of the connection terminal 20. The cable 40 has a rod-like structure, one end of which is sleeved within the collar 212 for electrical connection to the first connection end 202, and the other end extends out of the housing 10. The cooling device 50 includes a cooling pipe 501 and a liquid cooling box 511 disposed within the housing 10. The cable 40 has a hollow cavity 412, through which a cooling pipe 501 passes to cool the cable 40. The cooling pipe 501 passes through the central through hole 214 of the collar 212 to connect to the liquid cooling box 511 for communication with the liquid cooling box 511.

[0035] Such as 1A to Figure 4B As shown in the illustrated embodiment, the conductor 402 of the cable 40 has a hollow rod-shaped structure.

[0036] Such as 1A to Figure 4B As shown in the illustrated embodiment, the collar 212 is sleeved on the outside of the exposed conductor 402 of the cable 40.

[0037] Such as 1A to Figure 4BAs shown in the illustrated embodiment, the collar 212 is connected to the conductor 402 of the cable 40 by welding or threaded connection.

[0038] Such as 1A to Figure 4B As shown, in the illustrated embodiment, the second connection end 201 of the connection terminal 20 is adapted to be fastened to the charging terminal 30 by a fastener 60.

[0039] Such as 1A to Figure 4B As shown in the illustrated embodiment, the second connection end 201 is flat and has a connection hole 211 formed thereon that allows the fastener 60 to pass through. When the second connection end 201 is fastened to the charging terminal 30, the surface 221 of the second connection end 201 is in electrical contact with the conductive surface 302 of the charging terminal 30.

[0040] Such as 1A to Figure 4B As shown in the illustrated embodiment, the housing 10 is filled with adhesive to protect the joint area of ​​the cooling pipe 501 and increase the electrical isolation between the terminals within the housing 10.

[0041] Such as 1A to Figure 4B As shown in the illustrated embodiment, the housing 10 includes a front cover 101, a housing body 102, and a rear cover 103. The front cover 101 has a charging port 111 adapted for connection with a charging gun. A portion of the charging terminal 30 is inserted into the charging port 111. The other end of the cable 40 extends from the rear cover 103.

[0042] Such as 1A to Figure 4B As shown in the illustrated embodiment, when the charging gun is connected to the charging port 111, the charging terminal 30 is electrically connected to the mating terminal in the charging gun.

[0043] Such as 1A to Figure 4B As shown in the illustrated embodiment, the liquid cooling box 511 includes an inlet pipe 521 and an outlet pipe 522. The inlet pipe 521 is connected to the cooling pipe 501, and the outlet pipe 522 is led out from the rear cover 103.

[0044] Such as 1A to Figure 4B As shown, in the illustrated embodiment, the liquid cooling box 511 is in thermal contact with the terminal for cooling the terminal.

[0045] Such as 1A to Figure 4BAs shown in the illustrated embodiment, a charging dock cable assembly is disclosed, including a cable 40, a connector 20, and a cooling conduit 501. The cable 40 has a hollow conductor core 402, and one end of the connector 20 includes a collar 212, which is sleeved on the outside of the conductor core 402. The cooling conduit 501 passes through a central through-hole 214 in the conductor core 402 and the collar 212 to connect to a liquid cooling box 511, for cooling the conductor core 402 and the connector 20 of the cable 40.

[0046] Such as 1A to Figure 4B As shown in the illustrated embodiment, a charging dock electrical connection assembly is disclosed, including the aforementioned charging dock cable assembly, charging terminal 30, and liquid cooling box 511. The charging terminal 30 is electrically connected to the other end of the connection terminal 20.

[0047] Such as 1A to Figure 4B As shown, in the illustrated embodiment, cooling pipe 501 is connected to liquid cooling box 511 to communicate with liquid cooling box 511, and liquid cooling box 511 is in thermal contact with connection terminal 20 and / or charging terminal 30 for cooling connection terminal 20 and / or charging terminal 30.

[0048] Such as 1A to Figure 4B As shown in the illustrated embodiment, a charging dock is disclosed, including the aforementioned charging dock electrical connection assembly and a housing 10. A connection terminal 20, a charging terminal 30, and a liquid cooling box 511 are inserted into the housing 10. One end of a cable 40 is located within the housing 10, and the other end extends out of the housing 10.

[0049] Those skilled in the art will understand that the embodiments described above are exemplary and can be improved upon. The structures described in the various embodiments can be freely combined without causing structural or principle conflicts, and these changes should fall within the protection scope of this utility model.

[0050] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the drawings are intended to illustrate preferred embodiments of the present invention and should not be construed as a limitation thereof.

[0051] While some embodiments of the general concept of this utility model have been shown and described, those skilled in the art will understand that changes may be made to these embodiments without departing from the principles and spirit of the general concept of this utility model, the scope of which is defined by the claims and their equivalents.

[0052] It should be noted that the word "comprising" does not exclude other elements or steps, and the words "a" or "an" do not exclude multiple elements. Furthermore, any reference numerals in the claims should not be construed as limiting the scope of this invention.

Claims

1. A charging stand, characterized in that, include: Shell (10); Terminals (20, 30) are disposed in the housing (10) and include a first connecting end (202), the first connecting end (202) including a collar (212); A cable (40) having a rod-shaped structure, one end of which is fitted into the collar (212) for electrical connection to the first connecting end (202), and the other end of which extends out from the housing (10); and The cooling device (50) includes cooling pipes (501) and a liquid cooling box (511) disposed in the housing (10). The cable (40) has a hollow cavity (412), and the cooling pipe (501) passes through the hollow cavity (412) to cool the cable (40). The cooling pipe (501) passes through the central through hole (214) of the collar (212) and is connected to the liquid cooling box (511) to communicate with the liquid cooling box (511).

2. The charging dock according to claim 1, characterized in that: The conductor (402) of the cable (40) has a hollow rod-shaped structure.

3. The charging dock according to claim 1, characterized in that: The collar (212) is fitted onto the outside of the exposed conductor (402) of the cable (40).

4. The charging dock according to claim 3, characterized in that: The collar (212) is connected to the conductor (402) of the cable (40) by welding or threading.

5. The charging dock according to claim 1, characterized in that: The terminals include: The connection terminal (20) includes the first connection terminal (202) and the second connection terminal (201); The charging terminal (30) is electrically connected to the second connection terminal (201) of the connection terminal (20).

6. The charging dock according to claim 5, characterized in that: The second connection end (201) of the connection terminal (20) is adapted to be fastened to the charging terminal (30) by means of a fastener (60).

7. The charging dock according to claim 6, characterized in that: The second connecting end (201) is flat and has a connecting hole (211) formed thereon that allows the fastener (60) to pass through. When the second connection end (201) is fastened to the charging terminal (30), the surface (221) of the second connection end (201) is in electrical contact with the conductive surface (302) of the charging terminal (30).

8. The charging dock according to claim 5, characterized in that: The connection terminal (20) further includes a connection portion (203) connecting the first connection terminal (202) and the second connection terminal (201).

9. The charging dock according to claim 1, characterized in that: The housing (10) is filled with glue to protect the joint area of ​​the cooling pipe (501) and increase the electrical isolation between the terminals in the housing (10).

10. The charging dock according to claim 5, characterized in that: The housing (10) includes a front cover (101), a housing body (102), and a rear cover (103). The front cover (101) is provided with a charging port (111), which is suitable for connection with a charging gun. A portion of the charging terminal (30) is inserted into the charging port (111). The other end of the cable (40) extends from the rear cover (103).

11. The charging dock according to claim 10, characterized in that: When the charging gun is connected to the charging port (111), the charging terminal (30) is electrically connected to the matching terminal in the charging gun.

12. The charging dock according to claim 10, characterized in that: The liquid cooling box (511) includes an inlet pipe (521) and an outlet pipe (522). The liquid inlet pipe (521) is connected to the cooling pipe (501). The liquid outlet pipe (522) extends from the rear cover (103).

13. The charging dock according to claim 1, characterized in that: The liquid cooling box (511) is in thermal contact with the terminal and is used to cool the terminal.

14. A charging dock cable assembly, characterized in that, include: Cable (40) having a hollow conductor (402); The connecting terminal (20) includes a collar (212) at one end, which is sleeved on the outside of the guide core (402); and The cooling pipe (501) passes through the central through hole (214) of the guide core (402) and the collar (212) to connect to the liquid cooling box (511). The cooling pipe (501) is used to cool the conductor (402) of the cable (40) and the connecting terminal (20).

15. A charging dock electrical connection assembly, characterized in that, include: The charging dock cable assembly as claimed in claim 14; and The charging terminal (30) is electrically connected to the other end of the connection terminal (20).

16. The charging dock electrical connection assembly according to claim 15, characterized in that, Also includes: The liquid cooling box (511) is connected to the cooling pipe (501) for communication with the liquid cooling box (511). The liquid cooling box (511) is in thermal contact with the connection terminal (20) and / or the charging terminal (30) for cooling the connection terminal (20) and / or the charging terminal (30).

17. A charging stand, characterized in that, include: Shell (10); and The charging dock electrical connection assembly as claimed in claim 16, The connection terminal (20), the charging terminal (30), and the liquid cooling box (511) are inserted into the housing (10). One end of the cable (40) is located in the housing (10), and the other end is led out from the housing (10).

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