Integrated charging socket
By adopting the design of DC and AC charging modules in an integrated charging socket and simplifying the internal structure with flexible connections and couplings, the problems of large socket size and high cost in the prior art are solved, and a compact and efficient charging socket design is achieved.
Patent Information
- Application Number
- CN202421393182.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-18
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-06-18
AI Technical Summary
The internal connection structure of the existing integrated charging socket is complex, the assembly is complicated, and the needs of spare parts and space are large, resulting in large socket sizes and high cost.
An integrated charging socket is designed, using a DC charging module and an AC charging module, and connecting the DC circuit board and the AC circuit board through a flexible connection part to reduce the use of AC low-voltage connectors, and connecting the AC DC PE terminals with a connecting body to simplify the internal structure.
It achieves the purpose of compact structure and integrated AC and DC charging functions, reduces internal space requirements and parts costs, improves installation efficiency, and facilitates observation of charging conditions and monitoring terminal temperature through the design of indicator lights and thermistors.
Smart Images

Figure CN222698316U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of new energy vehicle charging seats, and in particular to an integrated charging socket. Background Art
[0002] At present, the charging sockets of new energy vehicles generally have separate DC or AC charging functions, which are compatible with AC charging guns or DC charging guns. In order to improve the adaptability of charging sockets and improve charging efficiency, integrated charging sockets have begun to appear, such as the AC / DC charging sockets and vehicles disclosed in announcement number CN218661390U. The AC / DC charging sockets include an AC charging part and a DC charging part. The AC charging part includes at least three AC ports and an AC adapter for connecting an AC grounding wire, and each of the AC ports is electrically connected to the AC adapter so that each of the AC ports is shielded from grounding; the DC charging part includes at least two DC ports and a DC adapter for connecting a DC grounding wire, and each of the DC ports is electrically connected to the DC adapter so that each of the DC ports is shielded from grounding.
[0003] The problem with this type of charging socket is that the internal connection structure is relatively complex, the assembly is very cumbersome, and the required spare parts and space are large, resulting in a large size and high cost of the charging socket, which is insufficient. Utility Model Content
[0004] The utility model aims to avoid the deficiencies in the prior art and provides a highly integrated integrated charging socket.
[0005] The utility model solves the technical problem by adopting the following technical solution: an integrated charging socket, having a DC charging module and an AC charging module, wherein the DC charging module comprises 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 DC circuit board is electrically connected to the AC circuit board via a flexible connection portion, and the DC PE terminal in the DC connection terminal is electrically connected to the AC PE terminal in the AC connection terminal via a coupling body.
[0008] In several embodiments, the coupling body includes an AC connection end, a first connection segment, a second connection segment, a third connection segment, a fourth connection segment, a fifth connection segment and a DC connection end arranged in sequence, the AC connection end is locked on the AC PE terminal by a first locking piece, and the DC connection end is locked on the DC PE terminal by a second locking piece.
[0009] In several embodiments, the first connecting segment is bent, the third connecting segment is twisted, and the second connecting segment and the fourth connecting segment are perpendicularly arranged.
[0010] In several embodiments, the AC circuit board and the DC circuit board are not located on the same plane, and the flexible connection portion is bent.
[0011] In several embodiments, a shell is further included for accommodating a DC charging module and an AC charging module, wherein the shell includes a front cover and a rear cover connected to each other, wherein an installation cavity is provided in the front cover, and the rear cover is used to close the installation cavity, and a sealing ring is provided between the front cover and the rear cover.
[0012] In several embodiments, two thermistors are disposed on the AC circuit board, each of the thermistors is in contact with the thermally conductive silica gel on two adjacent DC connection terminals, and the two thermistors are connected in series or in parallel.
[0013] In several embodiments, four thermistors are disposed on the AC circuit board, each of the thermistors is in contact with the thermally conductive silicone on a single DC connection terminal, and the four thermistors are connected in series or in parallel.
[0014] In several embodiments, four thermistors are disposed on the AC circuit board, each of the thermistors is in contact with the thermally conductive silicone on a single DC connection terminal, and the four thermistors are individually connected to the AC circuit board.
[0015] In several embodiments, an indicator light for indicating the charging power is disposed on the housing, the head of the indicator light is flush with the head of the front end cover, and the tail end of the indicator light is electrically connected to the DC circuit board.
[0016] In several embodiments, a low-voltage connector is provided on the DC circuit board, and the indicator light is electrically connected to the vehicle body via the low-voltage connector.
[0017] The beneficial effects of the utility model are:
[0018] The utility model has a compact structure and has both AC and DC charging functions, thus achieving the purpose of integration.
[0019] The utility model can eliminate the use of AC low-voltage connectors and reduce the required internal space through the connection structure of the flexible connection part between the DC circuit board and the AC circuit board, while the flexible connection structure can improve the installation efficiency.
[0020] The utility model can reduce the crimping work of the AC PE line and the parts cost through the connection structure of the connector between the AC and DC PE terminals. The connector adopts a copper busbar structure, which is easy to process and shape, has low cost, and is easy to install.
[0021] The utility model makes it convenient to observe the charging status through the indicator light structure.
[0022] The utility model facilitates providing the heating condition of the terminal through the connection structure of the thermistor and the thermally conductive silica gel, and can freely choose between cost, space and monitoring accuracy through different distributed connection modes. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] The drawings described herein are for illustrative purposes only of selected embodiments and do not represent all possible implementations, and should not be considered to limit the scope of the present invention.
[0024] Figure 1 The overall structure of the integrated charging socket in Embodiment 1 is schematically shown;
[0025] Figure 2 Schematically shows Figure 1 Partial explosion of structures;
[0026] Figure 3 Schematically shows Figure 2 The enlarged structure of the DC charging module and the AC charging module;
[0027] Figure 4 Schematically shows Figure 3 A structure in another perspective;
[0028] Figure 5 Schematically shows Figure 1 Partial structure;
[0029] Figure 6 Schematic illustration Figure 5 The enlarged structure of the flexible connection part;
[0030] Figure 7 The structure of the AC circuit board position in Example 1 is schematically shown;
[0031] Figure 8 The structure of the AC circuit board position in Example 2 is schematically shown. DETAILED DESCRIPTION
[0032] Below, embodiments of the present invention are described in detail with reference to the accompanying drawings. To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0033] Therefore, the following detailed description of the embodiments of the present invention provided in conjunction with the accompanying drawings is not intended to limit the scope of the present invention for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present invention.
[0034] Example 1
[0035] like Figure 1-Figure 7 As shown, the integrated charging socket in this embodiment mainly includes a DC charging module 10, an AC charging module 20 and a shell accommodating the DC charging module 10 and the AC charging module 20, the shell includes a front cover 51 and a rear cover 52 connected to each other, an installation cavity 511 is provided in the front cover 51, the rear cover 52 is used to close the installation cavity 511, a sealing ring 53 is provided between the front cover 51 and the rear cover 52, and the DC charging module 10 and the AC charging module 20 are generally arranged in the installation cavity 511 of the front cover 51.
[0036] Specifically, the DC charging module 10 includes a DC circuit board 11 and a plurality of DC connection terminals 12 arranged on the DC circuit board 11, and the AC charging module 20 includes an AC circuit board 21 and a plurality of AC connection terminals 22 arranged on the AC circuit board 21, wherein the DC circuit board 11 and the AC circuit board 21 are electrically connected through a flexible connection portion 30, wherein the AC circuit board 21 and the DC circuit board 11 are not located on the same plane, so that the flexible connection portion 30 is bent and made of a flexible material.
[0037] In addition, the DC PE terminal 13 in the DC connection terminal 12 and the AC PE terminal 23 in the AC connection terminal 22 are electrically connected through a coupling body 40, and the coupling body 40 includes a DC connection terminal 46, a first connection segment 41, a second connection segment 42, a third connection segment 43, a fourth connection segment 44, a fifth connection segment 45 and an AC connection terminal 47 arranged in sequence, and the AC connection terminal 47 is locked on the AC PE terminal 23 through a first locking piece 48, and the DC connection terminal 46 is locked on the DC PE terminal 13 through a second locking piece 49.
[0038] Here, the first connecting segment 41 is bent, the third connecting segment 43 is twisted, the second connecting segment 42 and the fourth connecting segment 44 are vertically arranged. If the second connecting segment 42 is vertically arranged, the fourth connecting segment is horizontally arranged, thereby being able to adapt to the uneven spatial structure in the front end cover 51.
[0039] In addition, an indicator light 80 for indicating the charging power is provided on the outer shell. The head of the indicator light 80 is flush with the head of the front cover 51. The tail end of the indicator light 80 is electrically connected to the DC circuit board 11. A low-voltage connector 111 is provided on the DC circuit board 11. The indicator light 80 is electrically connected to the vehicle body through the low-voltage connector 111, so that the charging information can be transmitted through the indicator light 80.
[0040] Of course, the housing is also conventionally provided with an electronic lock 90 .
[0041] Furthermore, two thermistors 61 are arranged on the AC circuit board 21, each of the thermistors 61 is in contact with the thermal conductive silicone 71 on two adjacent DC connection terminals 12, and the two thermistors 61 are arranged in series or in parallel. This structure can save at least two pins for connection with other functions.
[0042] Example 2
[0043] like Figure 8 As shown, the difference between this embodiment and embodiment 1 is that four thermistors 61 are arranged on the AC circuit board 21, each of the thermistors 61 is in contact with the thermal conductive silica gel 71 on a single DC connection terminal 12, and the four thermistors 61 are arranged in series or in parallel. This structure can save at least six pins for other functional matching, or it can be replaced with a low-voltage connector with fewer pins, reducing costs.
[0044] Example 3
[0045] In this embodiment, four thermistors 61 are also provided on the AC circuit board 21, and each of the thermistors 61 is respectively in contact with the thermal conductive silicone 71 on a single DC connection terminal 12. The difference from Embodiment 2 is that the four thermistors 61 are respectively connected to the AC circuit board 21 separately, so that the temperature of each terminal can be monitored, making it easy to troubleshoot faults and problem points.
[0046] All the methods described herein can be performed in any suitable order. Any and all examples used, or exemplary language provided herein (such as "for example") are merely to better illustrate the present invention, and are not intended to limit the scope of the present invention, unless the claims are included. The language in the detailed description should not be understood as indicating any essential factors for practicing the present invention that are not claimed.
[0047] The present invention describes preferred embodiments, including the best way to carry out the present invention known to the inventor. Of course, variations of these preferred embodiments will be apparent to those skilled in the art. The inventors anticipate that skilled artisans may use such variations as appropriate, and the inventors point out that the present invention may be implemented in other ways than those specifically described herein. Therefore, the present invention includes all improvements included in the spirit and scope of the present invention as defined by the claims. Moreover, unless otherwise stated or clearly contradictory in content, the present invention includes any of the above factors and all possible variations thereof.
Claims
1. An integrated charging socket, comprising a DC charging module (10) and an AC charging module (20), characterized in that: The DC charging module (10) comprises a DC circuit board (11) and a plurality of DC connection terminals (12) arranged on the DC circuit board (11); The AC charging module (20) comprises an AC circuit board (21) and a plurality of AC connection terminals (22) arranged on the AC circuit board (21); The DC circuit board (11) and the AC circuit board (21) are electrically connected via a flexible connection portion (30), and the DC PE terminal (13) in the DC connection terminal (12) and the AC PE terminal (23) in the AC connection terminal (22) are electrically connected via a coupling body (40).
2. The integrated charging socket according to claim 1, characterized in that: The coupling body (40) comprises a DC connection end (46), a first connection section (41), a second connection section (42), a third connection section (43), a fourth connection section (44), a fifth connection section (45) and an AC connection end (47) which are arranged in sequence. The AC connection end (47) is locked on the AC PE terminal (23) by a first locking piece (48), and the DC connection end (46) is locked on the DC PE terminal (13) by a second locking piece (49).
3. The integrated charging socket according to claim 2, characterized in that: The first connecting section (41) is bent, the third connecting section (43) is twisted, and the second connecting section (42) and the fourth connecting section (44) are perpendicularly arranged.
4. The integrated charging socket according to claim 1, characterized in that: The AC circuit board (21) and the DC circuit board (11) are not located on the same plane, and the flexible connection portion (30) is arranged in a bent manner.
5. The integrated charging socket according to claim 1, characterized in that: The invention also comprises a shell for accommodating a DC charging module (10) and an AC charging module (20), wherein the shell comprises a front end cover (51) and a rear end cover (52) connected to each other, wherein a mounting cavity (511) is arranged in the front end cover (51), and the rear end cover (52) is used to close the mounting cavity (511), and a sealing ring (53) is arranged between the front end cover (51) and the rear end cover (52).
6. The integrated charging socket according to claim 1, characterized in that: Two thermistors (61) are arranged on the AC circuit board (21), each of the thermistors (61) is in contact with the thermally conductive silica gel (71) on two adjacent DC connection terminals (12), and the two thermistors (61) are arranged in series or in parallel.
7. The integrated charging socket according to claim 1, characterized in that: Four thermistors (61) are arranged on the AC circuit board (21), each of the thermistors (61) is in contact with a thermally conductive silica gel (71) on a single DC connection terminal (12), and the four thermistors (61) are arranged in series or in parallel.
8. The integrated charging socket according to claim 1, characterized in that: Four thermistors (61) are arranged on the AC circuit board (21), each of the thermistors (61) is in contact with a thermally conductive silica gel (71) on a single DC connection terminal (12), and the four thermistors (61) are individually connected to the AC circuit board (21).
9. The integrated charging socket according to claim 5, characterized in that: An indicator light (80) for indicating the charging amount is arranged on the housing, the head of the indicator light (80) is flush with the head of the front end cover (51), and the tail end of the indicator light (80) is electrically connected to the DC circuit board (11).
10. The integrated charging socket according to claim 9, characterized in that: The DC circuit board (11) is provided with a low-voltage connector (111), and the indicator light (80) is electrically connected to the vehicle body via the low-voltage connector (111).