Charging equipment

Abstract

The utility model discloses charging equipment. The charging equipment comprises a charging socket, two cable groups and a high-voltage box, the charging socket is provided with two conductors, and the two conductors are a positive electrode conductor and a negative electrode conductor respectively. The two cable groups respectively comprise a plurality of cables, the two cable groups are respectively an anode cable group and a cathode cable group, one end of each cable of the anode cable group is respectively connected with the anode conductor, and one end of each cable of the cathode cable group is respectively connected with the cathode conductor. The high-voltage box is electrically connected to the other end of each cable. The charging socket of the charging system provided by the utility model is connected with the high-voltage box through the plurality of positive electrode cables and the plurality of negative electrode cables, so that a single loop is provided with the plurality of parallel cables and the plurality of sets of connectors to bear current, the charging current which can be borne by the charging socket loop is multiplied, and even if the current bearing capacity of a charging gun is continuously improved, the charging current can be borne by the charging socket loop. And the number of cables connected in parallel in a single loop can be continuously increased to improve the current carrying capacity of the loop, and the current carrying capacity is completely not limited by the current carrying capacity of the connector and the cables.

Description

Technical Field

[0001] The utility model relates to the technical field of battery fast charging, in particular to a charging device. Background Art

[0002] As an important service device for electric vehicles, the charging circuit is a key structure of the charger. There is a charging socket on the existing charger. The charging socket is connected to a high-voltage box through a positive cable and a negative cable, and the high-voltage box is then connected to a power supply device. With the development of the electric vehicle industry, the charging gun may use liquid cooling technology in the future, which greatly improves the charging current. However, the maximum specification of the fast plug connector of the existing charging socket connected to the power supply device through a positive cable and a negative cable is 500 A of current-carrying capacity, and the maximum diameter of the cable can only be 150 mm 2 , which cannot withstand too much current, so the charging speed cannot be increased, nor can it match the charging gun with increased charging current. Summary of the Utility Model

[0003] To solve one of the above technical problems, the utility model provides a charging device.

[0004] The utility model adopts the following technical solutions:

[0005] A charging device, comprising:

[0006] A charging socket having two conductors, namely a positive conductor and a negative conductor;

[0007] Two cable groups, each cable group includes a plurality of cables, and the two cable groups are a positive cable group and a negative cable group respectively. One ends of the cables in the positive cable group are respectively connected to the positive conductor, and one ends of the cables in the negative cable group are respectively connected to the negative conductor;

[0008] A high-voltage box, which is electrically connected to the other ends of the respective cables.

[0009] Optionally, a shunt copper bar is connected to the conductor;

[0010] Each cable of the cable group is respectively connected to the corresponding shunt copper bar.

[0011] Optionally, the shunt copper bar has a plurality of connection holes;

[0012] Each cable of the cable group is respectively connected to the corresponding connection hole through a fastener.

[0013] Optionally, the shunt copper bar has a first extension section and a second extension section;

[0014] The first extension section is attached to and connected to the conductor through a fastener;

[0015] The second extension section is connected to the first extension section, and there is an included angle between the second extension section and the first extension section. A plurality of the connection holes are provided on at least the second extension section;

[0016] At least part of the cable is connected to the connection holes on the second extension section.

[0017] Optionally, the charging device includes a protective case having a cavity, and the shunt copper bar is located in the cavity;

[0018] The charging socket is connected to the protective case, and at least the conductors of the charging socket are located in the cavity and connected to the corresponding shunt copper bars.

[0019] Optionally, the protective case has a plurality of wire passing holes, and each wire passing hole communicates with the cavity;

[0020] Each cable extends into the cavity through the wire passing hole, and the cable is electrically connected to the shunt copper bar.

[0021] Optionally, the charging device includes a sealing sleeve. Each sealing sleeve penetrates through the wire passing hole, and the sealing sleeve is sleeved on the cable to seal the gap between the cable and the wire passing hole.

[0022] Optionally, the protective case has a connecting portion for connection and fixation.

[0023] Optionally, the connecting portion includes lugs provided on the outer wall of the protective case, and connection holes are provided on the lugs.

[0024] Optionally, a circuit component and two busbar copper bars are provided in the high-voltage box;

[0025] One of the busbar copper bars is electrically connected to each cable of the positive cable group respectively;

[0026] The other busbar copper bar is electrically connected to each cable of the negative cable group respectively;

[0027] The two busbar copper bars are electrically connected to the circuit component respectively.

[0028] By adopting the above technical solutions, the present application has the following beneficial effects:

[0029] The charging socket of a charging device of the present patent application is connected to a high-voltage box through multiple positive cables and multiple negative cables. In this way, multiple parallel cables and multiple sets of connectors can be used in a single circuit to carry current, doubling the charging current that the charging socket circuit can carry. Even if the charging gun continuously improves the current-carrying capacity, the charging device of the present application can continuously increase the number of parallel cables in a single circuit to improve the circuit current-carrying capacity, and is completely not limited by the current-carrying capacities of the connectors and cables.

[0030] The following further describes in detail the specific embodiments of the present utility model in conjunction with the accompanying drawings. Description of the Drawings

[0031] The accompanying drawings, as part of this application, are used to provide a further understanding of the present utility model. The schematic embodiments and descriptions thereof of the present utility model are used to explain the present utility model, but do not constitute an improper limitation to the present utility model. Obviously, the accompanying drawings in the following description are only some embodiments, and those of ordinary skill in the art can obtain other drawings based on these drawings without creative efforts. In the drawings:

[0032] Figure 1 shows a schematic structural diagram of a charging device provided by an embodiment of this application;

[0033] Figure 2 shows a perspective structural diagram of a charging device provided by an embodiment of this application;

[0034] Figure 3 shows a partially enlarged perspective structural diagram of a charging device provided by an embodiment of this application;

[0035] Figure 4 shows a schematic structural diagram of a charging socket of a charging device provided by an embodiment of this application;

[0036] Figure 5 shows a schematic structural diagram of the cooperation between a charging socket and a shunt copper bar of a charging device provided by an embodiment of this application;

[0037] Figure 6 shows a partially enlarged schematic diagram of the cooperation among a charging socket, a shunt copper bar, and a cable of a charging device provided by an embodiment of this application;

[0038] Figure 7 shows a partially enlarged cross-sectional view of the cooperation among a charging socket, a shunt copper bar, and a cable of a charging device provided by an embodiment of this application.

[0039] In the figure: charging socket 1, positive conductor 11, negative conductor 12, protective shell 2, cavity 25, high-voltage box 3, cable 4, positive cable group 41, negative cable group 42, third connection hole 401, sealing sleeve 5, shunt copper bar 6, first extension section 61, second extension section 62, connection hole 63, sealing gasket 7.

[0040] It should be noted that these drawings and text descriptions are not intended to limit the scope of the concept of the present utility model in any way, but to illustrate the concept of the present utility model to those skilled in the art by referring to specific embodiments. Specific Embodiments

[0041] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The following embodiments are used to illustrate the present utility model but are not intended to limit the scope of the present utility model.

[0042] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0043] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation" and "connection" 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 directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0044] See Figures 1 to 7 As shown, an embodiment of the present application provides a charging device, which includes a charging socket 1, two cable groups, and a high-voltage box 3. The charging socket 1 has two conductors, which are a positive conductor 11 and a negative conductor 12 respectively. The two cable groups each include a plurality of cables 4, and the two cable groups are a positive cable group 41 and a negative cable group 42 respectively. One end of each cable 4 in the positive cable group 41 is connected to the positive conductor 11 respectively, and one end of each cable 4 in the negative cable group 42 is connected to the negative conductor 12 respectively. The high-voltage box 3 is electrically connected to the other end of each cable 4. The charging socket 1 of a charging device of this patent application is connected to the high-voltage box 3 through multiple positive cables 4 and multiple negative cables 4. In this way, multiple parallel cables 4 and multiple sets of connectors in a single circuit can carry current, multiplying the charging current that the charging socket 1 circuit can carry. Even if the charging gun continuously improves the current-carrying capacity, the charging device of the present application can continuously increase the number of parallel cables 4 in a single circuit to improve the circuit current-carrying capacity, and is completely not limited by the current-carrying capacities of the connectors and cables 4.

[0045] In a possible implementation, as Figures 5 to 7 shown, a shunt copper bar 6 is connected to the conductor, and each cable 4 of the cable group is connected to the corresponding shunt copper bar 6 respectively. The setting of the shunt copper bar 6 facilitates the parallel connection of each cable 4 in each cable group and then the connection to the conductor.

[0046] Further, shunt copper bars 6 with different lengths can be set according to the different numbers of cables 4 in the cable group.

[0047] In a possible implementation, the shunt copper bar 6 has a plurality of connection holes 63, and each cable 4 of the cable group is respectively connected to the corresponding connection hole 63 through a fastener. A third connection hole 401 is provided at the end of the cable 4, and the fastener passes through the third connection hole 401 and the connection hole 63 on the shunt copper bar to connect the shunt copper bar 6 and the cable 4.

[0048] Among them, the fastener can be a bolt, a rivet, etc. Preferably, bolt connection is selected. Bolt connection is stable and easy to disassemble and assemble. If the fastener is a bolt, the nut of the bolt is limited on the side of the cable 4 away from the shunt copper bar 6, the stud of the bolt penetrates through the connection hole 63 and the third connection hole 401, and the nut of the bolt is threadedly connected to the stud of the bolt and is limited on the side of the shunt copper bar 6 away from the cable 4.

[0049] Further, when the shunt copper bar 6 is connected to the cable 4 or the conductor, a metal gasket can be added to strengthen the fixing firmness between the shunt copper bar 6 and the cable 4 or the conductor, so that the connection is not easy to loosen, and the service life and maintenance period are extended.

[0050] In a possible implementation, the shunt copper bar 6 can be straight or L-shaped. If the shunt copper bar 6 is straight, one end of the shunt copper bar is connected to the conductor, and the cable ends are arranged in sequence away from the conductor side. If the shunt copper bar 6 is L-shaped, that is, when the shunt copper bar 6 includes two plate bodies connected in an L shape, the conductor is connected to one plate body of the shunt copper bar 6, and the cable is connected to the other plate body of the shunt copper bar 6. Preferably, the shunt copper bar 6 is L-shaped, so that the setting will not extend too long and the space distribution is more reasonable.

[0051] Further, the shunt copper bar 6 has a first extension section 61 and a second extension section 62. The first extension section 61 is attached to and connected to the conductor through a fastener. The second extension section 62 is connected to the first extension section 61, and there is an included angle between the second extension section 62 and the first extension section 61. At least a plurality of the connection holes 63 (for easy distinction, the connection hole 63 can be the first connection hole 63) are provided on the second extension section 62, and at least part of the cables 4 are connected to the connection holes 63 on the second extension section 62. A second connection hole can be provided on the conductor, and the fastener passes through the connection hole 63 and the second connection hole to connect the shunt copper bar 6 and the conductor. Among them, the fastener can be a bolt, a rivet, etc. Preferably, bolt connection is selected. Bolt connection is stable and easy to disassemble and assemble. If the fastener is a bolt, the nut of the bolt is limited on the side of the conductor away from the shunt copper bar 6, the stud of the bolt penetrates through the connection hole 63 and the second connection hole, and the nut of the bolt is connected to the stud and is limited on the side of the shunt copper bar 6 away from the conductor.

[0052] Among them, the second extension section 62 and the first extension section 61 can be welded or integrally formed. Preferably, the second extension section 62 and the first extension section 61 of the shunt copper bar 6 are integrally formed parts, with high structural strength, not easily cracked or broken, and high stability.

[0053] In a possible implementation, as Figures 1 to 3 shown, the charging device includes a protective shell 2, the protective shell 2 has a cavity 25, and the shunt copper bar 6 is located in the cavity 25. The charging socket 1 is connected to the protective shell, and at least the conductor of the charging socket 1 is located in the cavity 25 and connected to the corresponding shunt copper bar 6. Since the connection structures in the cavity 25 are all electrically connected, the protective shell can prevent water, dust, etc. from entering the protective shell and also prevent the internal connection structures from being pressed, playing a role in protecting the connection structures in the cavity 25. Among them, the protective shell can be made of an insulating polymer material, which is insulating and has a long service life.

[0054] Furthermore, through holes are provided on the protective shell, and the charging socket 1 is plugged into the through holes. The charging socket 1 can be connected to the protective shell 2 by bolts. A sealing gasket 7 can be provided between the protective shell 2 and the charging socket 1. The setting of the sealing gasket 7 can seal the gap between the protective shell 2 and the charging socket 1 to prevent liquid from seeping into the interior of the protective shell. Among them, the sealing gasket 7 can be made of materials with sealing properties such as rubber and PVC.

[0055] In a possible implementation, the protective shell has a plurality of wire passing holes, and each wire passing hole communicates with the cavity 25. Each cable 4 extends into the cavity 25 through the wire passing hole, and the cable 4 is electrically connected to the shunt copper bar 6. The cable 4 passes through the wire passing hole into the cavity 25, and the end is connected to the shunt copper bar 6 to ensure that the connection point is located in the cavity 25 of the protective shell. The protective shell is insulated to form protection. Moreover, the protective shell can prevent water, dust, etc. from entering the protective shell and also prevent the internal connection structures from being pressed, playing a role in protecting the connection structures in the cavity 25 and also improving safety.

[0056] In a possible implementation, the charging device includes a sealing sleeve 5. Each sealing sleeve 5 penetrates the wire passing hole, and the sealing sleeve 5 is sleeved on the cable 4. The sealing sleeve 5 penetrates the wire passing hole to seal the gap between the cable 4 and the wire passing hole. The sealing sleeve 5 is located between the cable 4 and the protective shell 2, playing a role in sealing the wire passing hole and further improving the waterproof and dustproof effects of the protective shell. Among them, the sealing sleeve 5 can be made of materials with sealing properties such as rubber and PVC.

[0057] In a possible implementation, the protective shell has a connecting portion for connection and fixation, which can be connected to a carrier. The carrier can be the outer shell of a charging pile or a corresponding structure on a charging vehicle.

[0058] In a possible implementation, the connecting part can be connected to the carrier by means of welding, threaded connection, riveting, etc. Preferably, the connecting part includes lugs (not shown) provided on the outer wall of the protective shell 2, and connection holes are provided on the lugs, and one end of a bolt passes through the connection hole and is threadedly connected to the outer shell of the carrier.

[0059] In a possible implementation, a circuit component and two busbar copper bars are provided in the high-voltage box 3. One of the busbar copper bars is electrically connected to each cable 4 of the positive cable group 41 respectively, and the other busbar copper bar is electrically connected to each cable 4 of the negative cable group 42 respectively. The two busbar copper bars are electrically connected to the circuit component respectively. By aggregating the wiring through the busbar copper bars, the wiring is made neater. The circuit component inside the high-voltage box 3 of the present application is the same as that in the prior art. The present application does not improve the circuit component of the high-voltage box. The structure of the circuit component of the high-voltage box has been disclosed in the prior art in detail, and the structure thereof will not be described in detail in the present application.

[0060] The above are only the preferred embodiments of the present invention, and do not impose any formal restrictions on the present invention. Although the present invention has been disclosed above with the preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art of this patent, without departing from the scope of the technical solution of the present invention, can make some changes or modifications to the above-mentioned technical content as equivalent embodiments of equivalent changes. However, as long as the content does not depart from the technical solution of the present invention, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A charging device, characterized in that, Comprising: A charging socket having two conductors, namely a positive conductor and a negative conductor respectively; Two cable groups, each of which includes a plurality of cables. The two cable groups are a positive cable group and a negative cable group respectively. One end of each cable in the positive cable group is connected to the positive conductor respectively, and one end of each cable in the negative cable group is connected to the negative conductor respectively; A high-voltage box electrically connected to the other end of each cable respectively.

2. The charging device according to claim 1, characterized in that, A shunt copper bar is connected to the conductor; Each cable in the cable group is connected to the corresponding shunt copper bar respectively.

3. The charging device according to claim 2, characterized in that, The shunt copper bar has a plurality of connection holes; Each cable in the cable group is connected to the corresponding connection hole through a fastener.

4. The charging device according to claim 3, characterized in that, The shunt copper bar has a first extension section and a second extension section; The first extension section is adhesively connected to the conductor and connected to the conductor through a fastener; The second extension section is connected to the first extension section. There is an included angle between the second extension section and the first extension section. At least several connection holes are provided on the second extension section; At least part of the cables are connected to the connection holes on the second extension section.

5. The charging device according to any one of claims 2-4, characterized in that Comprising a protective shell having a cavity, and the shunt copper bar is located in the cavity; The charging socket is connected to the protective shell. At least the conductors of the charging socket are located in the cavity and connected to the corresponding shunt copper bars.

6. The charging device according to claim 5, wherein The protective shell has a plurality of wire passing holes, and each wire passing hole communicates with the cavity; Each cable extends into the cavity through the wire passing hole, and the cable is electrically connected to the shunt copper bar.

7. The charging device according to claim 6, wherein Comprising a sealing sleeve. Each sealing sleeve penetrates through the wire passing hole, and the sealing sleeve is sleeved on the cable to seal the gap between the cable and the wire passing hole.

8. The charging device according to claim 5, characterized in that, The protective shell has a connection part for connection and fixation.

9. The charging device according to claim 8, wherein The connection part includes a lug provided on the outer wall of the protective shell, and a connection hole is provided on the lug.

10. The charging device according to claim 1, wherein A circuit component and two busbar copper bars are provided in the high-voltage box; One busbar copper bar is electrically connected to each cable in the positive cable group respectively; The other busbar copper bar is electrically connected to each cable in the negative cable group respectively; The two busbar copper bars are electrically connected to the circuit component respectively.

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