AC / DC charging socket

Abstract

The utility model discloses an AC / DC charging socket comprising a housing, a DC charging module and an AC charging module, and the DC charging module is located below the AC charging module. The DC charging module comprises a DC circuit board and a plurality of DC connecting terminals arranged on the DC circuit board. The AC charging module comprises an AC circuit board and a plurality of AC connecting terminals arranged on the AC circuit board; the shell comprises a front cover and two rear covers which are connected with each other, the rear end of the front cover is provided with an upper mounting part and a lower mounting part in a protruding manner, the rear covers respectively cover the upper mounting part and the lower mounting part, the upper mounting part is internally provided with a plurality of upper mounting cavities for accommodating alternating current connecting terminals, and the lower mounting part is internally provided with a plurality of lower mounting cavities for accommodating the alternating current connecting terminals. A plurality of lower mounting cavities for accommodating the direct-current connecting terminals are formed in the lower mounting part, and the upper mounting part is not in contact with the lower mounting part. The alternating current and direct current charging modules are longitudinally distributed, and the vehicle space layout is better met.

Description

Technical Field

[0001] The utility model relates to the technical field of new energy vehicle charging seats, and particularly relates to an AC / DC charging socket. Background Art

[0002] At present, new energy vehicle charging sockets generally have separate DC or AC charging functions, and are adapted to AC charging guns or DC charging guns. In order to improve the adaptability of charging sockets and charging efficiency, integrated charging sockets have begun to appear. For example, the new energy vehicle AC / DC charging seat disclosed in the patent No. CN211605590U includes an installation flange and an insert core that are mutually buckled. The installation flange is provided with an AC interface and a DC interface. The insert core is respectively provided with an AC insert core cavity and a DC insert core cavity corresponding to the positions of the AC interface and the DC interface. The two ends of the AC insert core cavity are respectively provided with an AC dust cover and an AC terminal gland. The two ends of the DC insert core cavity are respectively provided with a DC dust cover and a DC terminal gland. An AC tail cover is arranged inside the AC terminal gland, and a DC tail cover is arranged inside the DC terminal gland. In the current structure of such charging seats, the DC charging port and the AC charging port are horizontally distributed, resulting in a large lateral space requirement and a large load on the vehicle interior space, which has deficiencies. Summary of the Utility Model

[0003] The utility model is to avoid the deficiencies existing in the prior art, and provides an AC / DC charging socket with a smaller space requirement.

[0004] The utility model solves the technical problems by adopting the following technical scheme: an AC / DC charging socket, including a housing, a DC charging module and an AC charging module. The DC charging module and the AC charging module are longitudinally distributed on the housing, and the DC charging module is located below the AC charging module;

[0005] The DC charging module includes a DC circuit board and a plurality of DC connection terminals arranged on the DC circuit board;

[0006] The AC charging module includes an AC circuit board and a plurality of AC connection terminals arranged on the AC circuit board;

[0007] The housing includes a front cover and two rear covers connected to each other. The rear end of the front cover is convexly provided with an upper installation part and a lower installation part. The rear covers are respectively covered on the upper installation part and the lower installation part. A plurality of upper installation cavities for accommodating AC connection terminals are arranged inside the upper installation part. A plurality of lower installation cavities for accommodating DC connection terminals are arranged inside the lower installation part. There is no contact between the upper installation part and the lower installation part.

[0008] In several embodiments, a plurality of connecting plates are disposed at the rear end of the lower installation cavity and are inclined downward. The connecting plates extend to the outside of the rear cover. One end of the connecting plate is electrically connected to a DC connection terminal, and the other end of the connecting plate is electrically connected to a cable.

[0009] In several embodiments, a soft rubber rear shell is disposed on the rear cover provided on the lower installation portion. The rear shell is inclined and wraps around the outside of the cable. One end of the rear shell has a flanging, and the flanging is located inside a single rear cover and is attached and connected to the inner side of the rear cover.

[0010] In several embodiments, the cable is disposed parallel to the connecting plate.

[0011] In several embodiments, the rear cover located below is snap-fitted with the lower installation portion.

[0012] In several embodiments, temperature sensors and low-voltage connectors are disposed on both the DC circuit board and the AC circuit board.

[0013] In several embodiments, upper drain holes are disposed at the lower ends of a plurality of the upper installation cavities, an upper drain pipe is communicatively disposed on one side of the upper installation portion, lower drain holes are disposed at the lower ends of a plurality of the lower installation cavities, and a lower drain pipe is communicatively disposed on the lower side of the lower installation portion.

[0014] In several embodiments, a receiving groove is disposed at each of the upper ends of the upper installation portion and the lower installation portion. A plurality of through holes are disposed at the lower end of the receiving groove, and the through holes respectively communicate with the upper installation portion and the lower installation portion.

[0015] In several embodiments, sealing rings are disposed in the upper installation cavity and the lower installation cavity.

[0016] In several embodiments, sealing corrugations are disposed in the soft rubber rear shell, and the sealing corrugations wrap around the outside of the cable.

[0017] The beneficial effects of the present utility model are as follows:

[0018] The structure of the present utility model is compact, and it has both AC and DC charging functions at the same time, achieving the purpose of integration and meeting the IP67 standard for dust and water protection.

[0019] The AC / DC charging modules of the present utility model are longitudinally distributed, which is more in line with the vehicle space layout design and makes more reasonable use of space.

[0020] In the present utility model, the DC terminals and PE terminals of the DC charging module are ultrasonically welded and connected to the cable through the connecting plate, having a smaller contact resistance and a smaller temperature rise.

[0021] Through the inclined distribution structure of the connecting plate and the soft rubber rear shell, the cables are arranged at an angle after installation, leaving more space at the rear. The connection and sealing structure of the soft rubber rear shell solves the problems of difficult and complex installation and easy installation interference when installing angled cables, making the installation more convenient, providing sealing performance while reducing costs.

[0022] Temperature sensors and low-voltage connectors are provided on both the DC circuit board and the AC circuit board of the present utility model, and are output together with the signal terminals thereon through the pins of the low-voltage connector, avoiding messy cable output, with simple installation and clear wiring. Description of the Drawings

[0023] The drawings described herein are only for the purpose of illustrating the selected embodiments and do not represent all possible embodiments, nor should they be considered as limiting the scope of the present utility model.

[0024] Figure 1 Schematically shows the overall structure of the AC-DC charging socket in Embodiment 1;

[0025] Figure 2 Schematically shows Figure 1 The structure from another perspective;

[0026] Figure 3 Schematically shows Figure 1 The partial exploded structure of

[0027] Figure 4 Schematically shows Figure 1 The front structure of the front cover of

[0028] Figure 5 Schematically shows Figure 1 The back structure of the front cover of

[0029] Figure 6 Schematically shows Figure 2 The partial structure of

[0030] Figure 7 Schematically shows Figure 6 The partial structure of

[0031] Figure 8 Schematically shows Figure 3 The overall structure of the middle rear cover and the soft rubber rear shell in Detailed Description of the Embodiment

[0032] Next, embodiments of the present utility model will be described in detail with reference to the accompanying drawings. To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model.

[0033] Therefore, the following detailed description of the embodiments of the present utility model provided in conjunction with the accompanying drawings is not intended to limit the scope of the claimed present utility model, but merely represents selected embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model.

[0034] Embodiment 1

[0035] As Figures 1 - 8 shown, the AC / DC charging socket in this embodiment includes a housing, a DC charging module, and an AC charging module. The DC charging module and the AC charging module are longitudinally distributed on the housing, and the DC charging module is located below the AC charging module. The DC charging module generally includes a DC circuit board 21 and a plurality of DC connection terminals 22 arranged on the DC circuit board 21. The AC charging module generally includes an AC circuit board 31 and a plurality of AC connection terminals 32 arranged on the AC circuit board 31. The housing includes a front cover 11 and two rear covers 12 connected to each other. The rear end of the front cover 11 is protrudingly provided with an upper mounting portion 13 and a lower mounting portion 14. The rear covers 12 are respectively covered on the upper mounting portion 13 and the lower mounting portion 14. A plurality of upper mounting cavities 15 for accommodating the AC connection terminals 32 are provided in the upper mounting portion 13. A plurality of lower mounting cavities 16 for accommodating the DC connection terminals 22 are provided in the lower mounting portion 14. There is no contact between the upper mounting portion 13 and the lower mounting portion 14.

[0036] Specifically, sealing rings are provided in the upper mounting cavity 15 and the lower mounting cavity 16 for sealing connection of the corresponding connection terminals. A plurality of connecting plates 17 are provided at the rear end of the lower mounting cavity 16 and are inclined downward. The connecting plates 17 are supported by copper materials, and the inclination angle can be approximately 45°. The connecting plates 17 extend to the outside of the rear cover 12. One end of the connecting plate 17 is electrically connected to the DC connection terminal 22, and the other end of the connecting plate 17 is electrically connected to the cable 100. A soft rubber rear shell 41 is provided on the rear cover 12 provided on the lower mounting portion 14. The soft rubber rear shell 41 is inclined and wraps around the outside of the cable 100. One end of the soft rubber rear shell 41 has a flange 42, and the flange 42 is located inside a single rear cover 12 and is fitted and connected to the inner side of the rear cover 12.

[0037] Thus, the cable 100 is arranged in parallel with the connection plate 17, and the rear cover 12 located below is snap-fitted with the lower mounting portion 14. That is, a plurality of card slots are provided on the rear cover 12, and a plurality of card points are provided on the outer side of the lower mounting portion 14. The card slots and the card points are snap-fitted, which facilitates connection and disassembly in the state where the cable 100 is inclined. Moreover, a sealing corrugation 411 is provided inside the soft rubber rear shell 41, and the sealing corrugation 411 wraps around the outer side of the cable 100. The structure of the sealing corrugation 411 can replace the sealing ring.

[0038] In addition, temperature sensors 51 and low-voltage connectors 52 are provided on both the DC circuit board 21 and the AC circuit board 31. The temperature sensors 51 are conventionally in contact with the thermal conductive silicone on the corresponding power terminals. The power terminals dissipate heat and transfer it to the temperature sensors through the thermal conductive silicone. The sensor signals are given to the low-voltage connectors, and signal lines are crimped on the connectors to transmit the signals to the in-vehicle integrated circuit system.

[0039] In addition, a receiving groove 18 is provided at the upper end of each of the upper mounting portion 13 and the lower mounting portion 14. A plurality of through holes 181 are provided at the lower end of the receiving groove 18, and the through holes 181 communicate with the upper mounting portion 13 and the lower mounting portion 14 respectively. A plurality of upper drain holes 151 are provided at the lower end of the upper mounting cavities 15. An upper drain pipe 131 is communicatively provided on one side of the upper mounting portion 13. A plurality of lower drain holes 161 are provided at the lower end of the lower mounting cavities 16. A lower drain pipe 141 is communicatively provided on the lower side of the lower mounting portion 14. Thus, it is possible to quickly and effectively drain rainwater intrusion caused by rainfall or other situations.

[0040] Of course, an electronic lock is also conventionally provided on the front cover 11.

[0041] All the ways described in this article can be carried out in any suitable order. Any and all examples used, or the exemplary language provided in this article (such as "for example") are only used to better illustrate the present invention and are not a limitation on the scope of the present invention, unless otherwise claimed. The language in the detailed description should not be construed as indicating any essential elements for practicing the present invention that are not claimed.

[0042] The present invention describes preferred embodiments, including the best ways known to the inventors of practicing the present invention. Of course, those skilled in the art can obviously see changes in these preferred embodiments. The inventors envision that those skilled in the art can use such changes as appropriate. The inventors point out that the present invention can be implemented in other ways different from those specifically described above. Therefore, the present invention includes all improvements included in the gist and scope of the present invention defined by the claims. Moreover, unless otherwise stated or there is an obvious contradiction in the content, the present invention includes any of the above elements and all possible variations thereof.

Claims

1. An AC / DC charging socket, comprising a housing, a DC charging module and an AC charging module, characterized in that, The DC charging module and the AC charging module are longitudinally distributed on the housing, and the DC charging module is located below the AC charging module; The DC charging module includes a DC circuit board (21) and a plurality of DC connection terminals (22) arranged on the DC circuit board (21); The AC charging module includes an AC circuit board (31) and a plurality of AC connection terminals (32) arranged on the AC circuit board (31); The housing includes a front cover (11) connected to two rear covers (12). The rear end of the front cover (11) is protrudingly provided with an upper mounting portion (13) and a lower mounting portion (14). The rear covers (12) are respectively covered on the upper mounting portion (13) and the lower mounting portion (14). A plurality of upper mounting cavities (15) for accommodating the AC connection terminals (32) are arranged in the upper mounting portion (13), and a plurality of lower mounting cavities (16) for accommodating the DC connection terminals (22) are arranged in the lower mounting portion (14). There is no contact between the upper mounting portion (13) and the lower mounting portion (14).

2. The AC / DC charging socket according to claim 1, characterized in that, A plurality of connecting plates (17) are arranged at the rear end of the lower mounting cavity (16) in a downwardly inclined manner. The connecting plates (17) extend to the outside of the rear cover (12). One end of the connecting plate (17) is electrically connected to the DC connection terminal (22), and the other end of the connecting plate (17) is electrically connected to the cable (100).

3. The AC / DC charging socket according to claim 2, characterized in that, A soft rubber rear shell (41) is arranged on the rear cover (12) arranged on the lower mounting portion (14). The soft rubber rear shell (41) is arranged obliquely and wraps around the outside of the cable (100). One end of the soft rubber rear shell (41) has a flanging (42). The flanging (42) is located inside a single rear cover (12) and is adhesively connected to the inner side of the rear cover (12).

4. The AC / DC charging socket according to claim 3, characterized in that, The cable (100) is arranged in parallel with the connecting plate (17).

5. The AC / DC charging socket according to claim 1, characterized in that, The lower rear cover (12) and the lower mounting portion (14) are in snap-fit connection.

6. The AC / DC charging socket according to claim 1, characterized in that, Temperature sensors (51) and low-voltage connectors (52) are arranged on both the DC circuit board (21) and the AC circuit board (31).

7. The AC / DC charging socket according to claim 1, characterized in that Lower ends of a plurality of the upper mounting cavities (15) are provided with upper drain holes (151), and an upper drain pipe (131) is communicated and arranged on one side of the upper mounting portion (13). Lower ends of a plurality of the lower mounting cavities (16) are provided with lower drain holes (161), and a lower drain pipe (141) is communicated and arranged on the lower side of the lower mounting portion (14).

8. The AC / DC charging socket according to claim 7, characterized in that, An accommodating groove (18) is arranged at the upper end of each of the upper mounting portion (13) and the lower mounting portion (14). A plurality of through holes (181) are arranged at the lower end of the accommodating groove (18). The through holes (181) respectively communicate with the upper mounting portion (13) and the lower mounting portion (14).

9. The AC / DC charging socket according to claim 1, characterized in that, Sealing rings are arranged in the upper mounting cavity (15) and the lower mounting cavity (16).

10. The AC / DC charging socket according to claim 3, characterized in that, Sealing corrugations (411) are arranged in the soft rubber rear shell (41). The sealing corrugations (411) wrap around the outside of the cable (100).

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