Adapter for automobile charging

By adopting a compact design in the automotive charging adapter, the circuit board connection terminals and riveted connections are used to connect PE terminals, combined with thermally conductive silicone and sealing ring, the existing adapter's large size and cumbersome connection problems are solved, achieving a small and high-performance Adapter.

CN222282439UActive Publication Date: 2024-12-31浙江毅联汽车科技有限公司
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Patent Information

Application Number
CN202420625020.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-28
Publication Date
2024-12-31
Estimated Expiration
2034-03-28

AI Technical Summary

Technical Problem

The existing car charging adapters are large in size and cumbersome in connection, making it difficult to reduce the size while improving performance.

Method used

A charging adapter body including the first housing and the second housing is designed, a circuit board is used to connect the DC terminal and the PE terminal, and a temperature sensor is coated with thermally conductive silicone, a PE terminal is connected by riveting, and a sealing ring is set. and the boss structure to achieve a compact design.

Benefits of technology

It realizes a compact and compact adapter, reduces internal space occupation, improves conductivity and the accuracy of temperature sensors, and meets the requirements of electrical clearance and creepage distance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an adapter for automobile charging, which comprises a first shell, a second shell and a charging adapter main body arranged between the first shell and the second shell, and the charging adapter main body comprises a circuit board, a charging module and a charging module, the first DC terminal and the second DC terminal are distributed on the two opposite sides of the circuit board and connected, the first DC terminal is arranged in the first shell, and the second DC terminal is arranged in the second shell; the first PE terminal and the second PE terminal are distributed on the two opposite sides of the circuit board, and the first PE terminal and the second PE terminal are connected through a connecting body; the first terminal set and the second terminal set are arranged on the two opposite sides of the circuit board, and the first terminal set and the second terminal set are electrically connected through the circuit board. The structure is small and compact, and the size is reduced on the premise of providing good performance.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile accessories, in particular to an adapter for automobile charging. Background Art

[0002] At present, the DC charging sockets for charging new energy vehicles have new standard high-power DC charging sockets, also called super charging sockets, so the corresponding car models will also match the super structure, but the corresponding super charging stations are not as popular as the national standard charging stations, resulting in the inability of vehicles to charge flexibly in the two charging stations. Therefore, an adapter is required for adaptation, such as the adapter disclosed in CN214754335U, the adapter includes a national standard plug and a super socket, the national standard plug includes a first shell and a number of national standard terminals arranged in the first shell, the super socket includes a second shell and a number of super terminals arranged in the second shell, the first shell is connected to the second shell, and the national standard terminals are electrically connected to the corresponding super terminals.

[0003] However, the market has increasingly higher requirements for the size of such adapters. The connection and distribution of components such as the outer shell and internal terminals of conventional adapters are rather complicated and require more space. How to reduce the size while improving performance is a problem that needs to be solved at present. Utility Model Content

[0004] The utility model aims to avoid the shortcomings of the prior art and provides a small-sized automobile charging adapter with stable performance and compact structure.

[0005] The utility model solves the technical problem by adopting the following technical solution: an adapter for automobile charging, comprising a first shell, a second shell and a charging adapter body arranged between the first shell and the second shell, the charging adapter body comprising:

[0006] Circuit boards;

[0007] A first DC terminal and a second DC terminal are distributed on opposite sides of the circuit board and connected to each other, the first DC terminal is arranged in the first housing, and the second DC terminal is arranged in the second housing;

[0008] A first PE terminal and a second PE terminal are distributed on opposite sides of the circuit board, and the first PE terminal and the second PE terminal are connected through a connector;

[0009] A first terminal group and a second terminal group are arranged on opposite sides of the circuit board, and the first terminal group and the second terminal group are electrically connected through the circuit board.

[0010] In several embodiments, a temperature sensor is disposed on the circuit board, and the temperature sensor is disposed between the first DC terminal and the second DC terminal. Thermally conductive silicone is disposed on the first DC terminal and the second DC terminal, and the thermally conductive silicone covers the temperature sensor.

[0011] In several embodiments, the thermal conductive silicone includes a main sleeve body, two first rings are provided on one side of the main sleeve body, and two second rings are provided on the other side of the main sleeve body. The outer diameter of the first ring is smaller than the outer diameter of the second ring, and an annular groove is provided between the second ring and the main sleeve body.

[0012] In several embodiments, the first PE terminal and the second PE terminal are both riveted to the coupling body, and the axes of the first PE terminal and the second PE terminal do not overlap.

[0013] In some embodiments, the first DC terminal and the second DC terminal are configured to be integrally formed.

[0014] In several embodiments, the first terminal group and the second terminal group each include a plurality of communication terminals and a charging confirmation terminal.

[0015] In several embodiments, the first shell and the second shell are configured to be detachably connected, and an annular sealing member is provided between the first shell and the second shell.

[0016] In several embodiments, the first PE terminal and the first terminal group are disposed in a first housing, and the second PE terminal and the second terminal group are disposed in a second housing.

[0017] In several embodiments, the first DC terminal, the second DC terminal, the first PE terminal, the second PE terminal, the first terminal group and the second terminal group are all provided with sealing rings.

[0018] In several embodiments, a plurality of bosses are protruding from the opposite end surfaces of the first shell and the second shell, and the bosses correspond to the positions of the terminal holes in the first shell and the second shell.

[0019] The beneficial effects of the utility model are:

[0020] The utility model has a small and compact structure, and the size is reduced under the premise of providing good performance.

[0021] Some terminals of the utility model are connected through PCB circuits, which compresses the internal space and makes the whole product design structure compact, small and portable.

[0022] The utility model integrates a temperature sensor on a circuit board and cooperates with thermally conductive silicone to insulate a DC terminal and a temperature sensor, thereby reducing heat loss and making the variables fed back by the thermistor more accurate. Furthermore, through a stepped design, the structure is made smaller while meeting the electrical clearance and creepage distance.

[0023] The PE terminals of the utility model are connected by riveting, which occupies a small internal space of the product, and the two terminals are fully in contact with each other, so the conduction is excellent.

[0024] The housing of the utility model meets the creepage distance and reduces the space through the boss structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] 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.

[0026] Figure 1 The overall structure of the vehicle charging adapter in this embodiment is schematically shown;

[0027] Figure 2 Schematically shows Figure 1 Explosion structure;

[0028] Figure 3 Schematically shows Figure 2 The enlarged structure of the charging adapter body;

[0029] Figure 4 Schematically shows Figure 3 Explosion structure;

[0030] Figure 5 Schematically shows Figure 3 The structure in which the first terminal group and the second terminal group are combined with the circuit board;

[0031] Figure 6 Schematically shows Figure 4 The connection structure between the first PE terminal and the second PE terminal. 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] like Figure 1-Figure 3 As shown, the automobile charging adapter in this embodiment mainly includes a first shell 10, a second shell 20 and a charging adapter body arranged between the first shell 10 and the second shell 20. The first shell 10 and the second shell 20 are detachably connected by screws, and a plurality of bosses 201 are protrudingly provided on the end surfaces of the first shell 10 and the second shell 20 that are opposite to each other. The bosses 201 correspond to the positions of the terminal holes in the first shell 10 and the second shell 20, and the terminal holes are used to accommodate the plurality of terminals in the charging adapter body.

[0035] Specifically, the charging adapter body includes a circuit board 30, a first DC terminal 41 and a second DC terminal 42 distributed on opposite sides of the circuit board 30 and connected to each other, a first PE terminal 51 and a second PE terminal 52 distributed on opposite sides of the circuit board 30, and a first terminal group 61 and a second terminal group 62 arranged on opposite sides of the circuit board 30. The first terminal group 61 and the second terminal group 62 both include multiple communication terminals and charging confirmation terminals.

[0036] The first DC terminal 41, the first PE terminal 51 and the first terminal group 61 are all inserted into the first shell 10 as super charging terminals, and the second DC terminal 42, the second PE terminal 52 and the second terminal group 62 are all inserted into the second shell 20 as national standard charging terminals.

[0037] Combination Figure 4-Figure 6 As shown, the first DC terminal 41 and the second DC terminal 42 are configured to be integrally formed, so as to avoid problems such as contact resistance affecting the current, and to provide better conductivity and less heat generation.

[0038] Here, the first terminal group 61 and the second terminal group 62 are electrically connected via the circuit board 30 , that is, they are directly connected to the circuit board 30 for use.

[0039] Furthermore, the first PE terminal 51 and the second PE terminal 52 are connected via a coupling body 53. Specifically, the first PE terminal 51 and the second PE terminal 52 are riveted to the coupling body 53. The axes of the first PE terminal 51 and the second PE terminal 52 do not overlap, forming an upper and lower staggered distribution structure.

[0040] Furthermore, a temperature sensor is disposed on the circuit board 30 , and the temperature sensor is disposed between the first DC terminal 41 and the second DC terminal 42 . A thermal conductive silicone 70 is disposed on the first DC terminal 41 and the second DC terminal 42 , and the thermal conductive silicone 70 covers the temperature sensor.

[0041] Specifically, the thermal conductive silicone 70 includes a main sleeve body 71, two first rings 72 are provided on one side of the main sleeve body 71, and two second rings 73 are provided on the other side of the main sleeve body 71. The outer diameter of the first ring 72 is smaller than the outer diameter of the second ring 73, and an annular groove 74 is provided between the second ring 73 and the main sleeve body 71 to form a stepped outer diameter change structure.

[0042] At the same time, in order to improve the sealing effect, an annular seal 101 is arranged between the first shell 10 and the second shell 20, and the first DC terminal 41, the second DC terminal 42, the first PE terminal 51, the second PE terminal 52, the first terminal group 61 and the second terminal group 62 are all provided with sealing rings, and the sealing rings provide sealing between the first shell and the second shell to achieve the IP67 level of waterproof and dustproof.

[0043] 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.

[0044] 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. A car charging adapter, comprising a first shell (10), a second shell (20) and a charging adapter body arranged between the first shell (10) and the second shell (20), characterized in that: The charging adapter body comprises: Circuit board (30); A first DC terminal (41) and a second DC terminal (42) distributed on opposite sides of the circuit board (30) and connected to each other, the first DC terminal (41) being arranged in the first housing (10), and the second DC terminal (42) being arranged in the second housing (20); A first PE terminal (51) and a second PE terminal (52) distributed on opposite sides of the circuit board (30), wherein the first PE terminal (51) and the second PE terminal (52) are connected via a connector (53); A first terminal group (61) and a second terminal group (62) are arranged on opposite sides of the circuit board (30); the first terminal group (61) and the second terminal group (62) are electrically connected via the circuit board (30).

2. The vehicle charging adapter according to claim 1, characterized in that: A temperature sensor is provided on the circuit board (30), and the temperature sensor is provided between a first DC terminal (41) and a second DC terminal (42). Thermally conductive silica gel (70) is provided on the first DC terminal (41) and the second DC terminal (42), and the thermally conductive silica gel (70) covers the temperature sensor.

3. The vehicle charging adapter according to claim 2, characterized in that: The thermally conductive silica gel (70) comprises a main sleeve body (71), two first sleeve rings (72) are arranged on one side of the main sleeve body (71), and two second sleeve rings (73) are arranged on the other side of the main sleeve body (71), the outer diameter of the first sleeve ring (72) is smaller than the outer diameter of the second sleeve ring (73), and an annular groove (74) is arranged between the second sleeve ring (73) and the main sleeve body (71).

4. The vehicle charging adapter according to claim 3, characterized in that: The first PE terminal (51) and the second PE terminal (52) are both riveted to the connecting body (53), and the axes of the first PE terminal (51) and the second PE terminal (52) do not overlap.

5. The vehicle charging adapter according to claim 4, characterized in that: The first DC terminal (41) and the second DC terminal (42) are integrally formed.

6. The vehicle charging adapter according to claim 5, characterized in that: The first terminal group (61) and the second terminal group (62) both include a plurality of communication terminals and a charging confirmation terminal.

7. The vehicle charging adapter according to claim 1, characterized in that: The first shell (10) and the second shell (20) are arranged to be detachably connected, and an annular sealing member (101) is arranged between the first shell (10) and the second shell (20).

8. The vehicle charging adapter according to claim 7, characterized in that: The first PE terminal (51) and the first terminal group (61) are arranged in the first housing (10), and the second PE terminal (52) and the second terminal group (62) are arranged in the second housing (20).

9. The vehicle charging adapter according to claim 7, characterized in that: The first DC terminal (41), the second DC terminal (42), the first PE terminal (51), the second PE terminal (52), the first terminal group (61) and the second terminal group (62) are all sleeved with sealing rings.

10. The vehicle charging adapter according to claim 1, characterized in that: A plurality of bosses (201) are protrudingly provided on the end surfaces of the first shell (10) and the second shell (20) that are arranged opposite to each other, and the bosses (201) correspond to the positions of the terminal holes in the first shell (10) and the second shell (20).