阅读说明：本技术 一种充电转换接头 (Charging adapter ) 是由 刘健 于 2021-08-02 设计创作，主要内容包括：本发明提供了一种充电转换接头,包括：第一连接端和第二连接端；第一连接端为多孔分布的国标插接头,第二连接端为多个呈圆形且同心布置的插接槽所形成的插接座,插接座末端设置有向外扩展的喇叭状接引槽,接引槽的根部与插接座最外侧的插接槽壁面平齐；本发明通过圆形且同心布置的插接槽以及向外扩展的喇叭状接引槽,一方面使于其对接的充电接头可以在任意位置插入,而不需要旋转或调整充电枪确定是否在对应的孔洞上,另一方面,当非人工操作的机械对接时,不需要高精度的感应元器件进行瞄准,只需使用可以对应喇叭状接引槽所覆盖范围的低精度感应元器件即可,喇叭状接引槽可以引导充电接头插入至插接座上,因此也极大的节约了设备投入成本。(The invention provides a charging adapter, comprising: a first connection end and a second connection end; the first connecting end is a national standard plug connector distributed in a porous mode, the second connecting end is a plug socket formed by a plurality of circular and concentrically arranged plug slots, the tail end of the plug socket is provided with a horn-shaped lead connecting slot expanding outwards, and the root of the lead connecting slot is flush with the wall surface of the plug slot on the outermost side of the plug socket; according to the invention, through the circular and concentrically arranged insertion grooves and the outwards expanded horn-shaped guide grooves, on one hand, the butted charging connector can be inserted into any position without rotating or adjusting the charging gun to determine whether the charging connector is positioned on the corresponding hole, on the other hand, when the mechanical butt joint is not manually operated, high-precision induction components are not needed for aiming, only low-precision induction components which can correspond to the coverage range of the horn-shaped guide grooves are needed, and the horn-shaped guide grooves can guide the charging connector to be inserted into the insertion seat, so that the equipment investment cost is greatly saved.)

1. A charging adapter, comprising: a first connection end and a second connection end; the first connecting end is a national standard plug connector distributed in a porous mode, and the second connecting end is a plug socket formed by a plurality of circular or arc-shaped plug grooves which are concentrically arranged.

2. A charging adapter according to claim 1, wherein: the tail end of the plug socket is provided with a horn-shaped lead connecting groove which expands outwards, the small end of the horn-shaped lead connecting groove is fixedly connected with the tail end of the plug socket, and the large end of the horn-shaped lead connecting groove expands outwards due to an open end.

3. A charging adapter according to claim 1, wherein: the lead connecting groove and the plug socket are integrally arranged.

4. A charging adapter according to claim 1, wherein: the connecting and guiding groove comprises a connecting part and an expanding part, the connecting part is an annular sleeve, and the annular sleeve is sleeved outside the shell of the plug socket or is in threaded connection or clamped connection with the shell of the plug socket.

5. A charging adaptor as claimed in claim 4, wherein: an annular boss is arranged on the inner ring wall surface between the annular sleeve and the expansion part, and the distance from the top of the annular boss to the annular sleeve is the same as the thickness of the wall surface of the insertion groove on the outermost side.

6. A charging adapter according to claim 1, wherein: the plug-in groove comprises a connecting portion, a guide portion and an expansion portion, the connecting portion, the guide portion and the expansion portion are integrally arranged, the connecting portion and the expansion portion are respectively located at two ends of the guide portion, and the inner diameter of the guide portion is the same as the diameter of the inner wall of the plug-in groove on the outermost side.

7. A charging adapter according to claim 1, wherein: the charging adapter further comprises a cable, and the cable is arranged between the first connecting end and the second connecting end.

8. A charging adapter according to claim 1, wherein: the charging adapter further comprises a switching part, and the switching part is used for electrically connecting a strong current contact and a weak current contact of a national standard plug connector positioned on the first connecting end with a plurality of circular and concentrically arranged plug slots.

9. A charging adapter according to claim 1, wherein: the inserting groove comprises an insulating part and a conductive part, and the conductive part is fixedly connected with the insulating part.

10. A charging adapter according to claim 9, wherein: the conductive part is of an annular or arc-shaped structure and is embedded on the insulating part.

Technical Field

The invention relates to the field of new energy automobiles, in particular to a charging adapter.

Background

The electric automobile is a vehicle which takes a vehicle-mounted power supply as power and drives wheels to run by using a motor, and meets various requirements of road traffic and safety regulations. The composition comprises: an electric drive and control system, a mechanical system such as a drive transmission, a working device for performing a predetermined task, and the like. Because the influence on the environment is smaller than that of the traditional automobile, the prospect is widely seen. With the development of electric automobile technology, especially the increasing of the national atmospheric pollution control, the electric automobile as one of the best substitute products of the traditional power automobile develops rapidly. The charging system is used for providing energy supply for the operation of the electric automobile, is an important basic supporting system of the electric automobile, is also an important link in the commercialization and industrialization processes of the electric automobile, and has very important social benefits and economic benefits as an important matched infrastructure necessary for developing the electric automobile in the charging system. However, when the charging interface of the existing national standard vehicle terminal is connected with the charging interface of the charging gun, the charging gun can be inserted into the charging interface of the vehicle terminal only by repeated calibration, and the process is still available under human operation, but if the machine is needed for work, the technical difficulty involved in the insertion alignment action is extremely complex, the matching precision is higher, and even induction components at least reaching millimeter-level precision can meet the requirement, however, the higher precision brings cost increase obviously.

Disclosure of Invention

The invention aims to provide a charging adapter which is simple in structure, can facilitate mechanical operation butt joint, can reduce the precision requirement of a sensor and saves a large amount of capital investment.

The invention is realized by the following steps:

a charging adapter comprising: a first connection end and a second connection end; the first connecting end is a national standard plug connector distributed in a porous mode, and the second connecting end is a plug socket formed by a plurality of circular or arc-shaped plug grooves which are concentrically arranged.

Preferably, the tail end of the socket is provided with a flared guide groove which expands outwards, the small end of the flared guide groove is fixedly connected with the tail end of the socket, and the large end of the flared guide groove expands outwards due to an open end.

Preferably, the guiding groove is integrally formed with the socket.

Preferably, the guiding groove comprises a connecting part and an expanding part, the connecting part is an annular sleeve, and the annular sleeve is sleeved outside the shell of the plug socket or is in threaded connection or clamping connection with the shell of the plug socket.

Preferably, an annular boss is arranged on the inner ring wall surface between the annular sleeve and the expansion part, and the distance from the top of the annular boss to the annular sleeve is the same as the thickness of the wall surface of the insertion groove on the outermost side.

Preferably, the insertion groove comprises a connecting part, a guide part and an expansion part, the connecting part, the guide part and the expansion part are integrally arranged, the connecting part and the expansion part are respectively positioned at two ends of the guide part, and the inner diameter of the guide part is the same as the diameter of the inner wall of the insertion groove at the outermost side.

Preferably, the charging adapter further comprises a cable disposed between the first connection end and the second connection end.

Preferably, the charging adapter further comprises a switching part, and the switching part electrically connects the strong current contact and the weak current contact of the international plug connector located on the first connection end with the plurality of circular and concentrically arranged plug slots.

Preferably, the insertion groove includes an insulating portion and a conductive portion, and the conductive portion is fixedly connected to the insulating portion.

Preferably, the conductive part is of an annular or arc structure and is embedded in the insulating part.

The invention has the beneficial effects that:

the charging adapter connector obtained through the design is simple in structure and low in manufacturing difficulty, the charging connector which is in butt joint can be inserted at any position through the circular and concentrically arranged inserting grooves and the outwards-expanded horn-shaped connecting grooves, the charging gun does not need to be rotated or adjusted to determine whether the charging connector is located on the corresponding hole, and when mechanical butt joint is conducted in a non-manual operation mode, high-precision induction components are not needed for aiming, only low-precision induction components which can correspond to the range covered by the horn-shaped connecting grooves are needed, the horn-shaped connecting grooves can guide the charging connector to be inserted into the inserting seats, and therefore equipment input cost is greatly saved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a first schematic view of a charging adapter structure according to an embodiment of the present invention;

fig. 2 is a second schematic view of a charging adapter structure according to an embodiment of the present invention;

fig. 3 is a third schematic view of a charging adapter structure according to an embodiment of the present invention;

FIG. 4 is a first schematic view of a socket structure according to an embodiment of the present invention;

FIG. 5 is a second schematic view of a socket structure provided in an embodiment of the present invention;

FIG. 6 is a simplified cross-sectional view of an exemplary embodiment of an adapter groove;

fig. 7 is a simplified first schematic diagram of a cross-sectional view of a charging adapter structure according to an embodiment of the present invention;

FIG. 8 is a simplified diagram of a connection structure of a lead slot provided in an embodiment of the present invention;

fig. 9 is a simplified second schematic diagram of a charging adapter structure according to an embodiment of the present invention;

FIG. 10 is a simplified cross-sectional view of an exemplary embodiment of an adapter groove;

FIG. 11 is a schematic view of a charging adapter according to another embodiment of the present invention;

fig. 12 is a schematic structural diagram of a charging connector provided in the embodiment of the present invention;

fig. 13 is a schematic view of a matching connection structure of a charging connector and a socket according to an embodiment of the present invention.

Icon: 10. a first connection end; 20. a second connection end; 21. a socket; 30. a lead groove is connected; 11. a strong or weak electrical contact; 12. a switching part; 22. a housing; 23. inserting grooves; 201. an insulating section; 202. a conductive portion; 31. a connecting portion; 32. a guide portion; 33. an expansion section; 301. a root portion; 302. an annular boss; 40. charging a pile wire; 41. a charging connector; 50. a cable.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the present invention, unless otherwise expressly stated or limited, the first feature may be present on or under the second feature in direct contact with the first and second feature, or may be present in the first and second feature not in direct contact but in contact with another feature between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.

Examples

Referring to fig. 1 to 5, the present invention provides a charging adapter, including: a first connection end 10 and a second connection end 20; the first connecting end 10 is a international plug connector distributed in a porous manner, the second connecting end 20 is a plug socket 21 formed by a plurality of circular or arc-shaped plug slots 23 which are concentrically arranged, the plug slots 23 are circular or arc-shaped, the purpose of the plug slots 23 is to facilitate the plug-in process of the connectors, and any radial angle can be achieved in the plug-in process, so that an operator does not need to strictly align; the tail end of the inserting seat 21 is provided with a flared guiding groove 30 which expands outwards, and the root 301 of the guiding groove 30 is flush with the wall surface of the inserting groove 23 at the outermost side of the inserting seat 21. Preferably, the guiding groove 30 is integrally formed with the socket 21, as shown in fig. 4.

Further, as shown in fig. 5 and 6, the insertion groove 30 includes a connecting portion 31 and an expanding portion 33, the connecting portion 31 is an annular sleeve, and the annular sleeve is sleeved outside the housing 22 of the insertion seat 21, or is in threaded connection or clamped connection with the housing 22 of the insertion seat 21. Particularly, an annular boss 302 is arranged on the inner ring wall surface between the annular sleeve and the expansion part 33, and the distance from the top of the annular boss 302 to the annular sleeve is the same as the wall surface thickness of the insertion groove 23 on the outermost side, so that the smooth contact surface is guaranteed.

Further, in order to further optimize the smoothness and directionality of the insertion process, as shown in fig. 7, the insertion groove 30 includes a connecting portion 31, a guiding portion 32, and an expanding portion 33, the connecting portion 31, the guiding portion 32, and the expanding portion 33 are integrally disposed, the connecting portion 31 and the expanding portion 33 are respectively located at two ends of the guiding portion 32, and the inner diameter of the guiding portion 32 is the same as the diameter of the inner wall of the outermost insertion groove 23.

Further, as shown in fig. 8, the charging adapter further includes an adapter portion 12, and the adapter portion 12 electrically connects the strong current contact and the weak current contact of the international plug connector located on the first connection end 10 with the plurality of circular and concentrically arranged plug slots 23. Specifically, the purpose of the adapter section 12 is to arrange the terminals of the strong and weak electrical contacts so as to more reasonably connect the terminals with the plurality of circular and concentrically arranged plugging grooves 23 on the second connection terminal 20. Specifically, the insertion groove 23 includes an insulating portion 201 and a conductive portion 202, and the conductive portion 202 is fixedly connected to the insulating portion 201. The conductive part 202 is of an annular structure and is embedded in the insulating part 201; wherein, the strong electric contact or the weak electric contact 11 is respectively and independently connected with the corresponding conductive part 202; in order to ensure the contact effect during the charging process and the passing of strong current, the conductive part 202 for connecting the strong current contacts is disposed on the insertion groove 23 on the outermost side, so as to ensure a larger contact area and facilitate the charging process.

As shown in fig. 9, the charging adapter further includes a cable 50, and the cable 50 is disposed between the first connection end 10 and the second connection end 20; it should be noted that, by providing the cable 50, a larger extension space can be obtained in the present invention, or the socket 21 of the second connection terminal 20 is mounted on a wall or the ground, which is beneficial to facilitate mechanical output in the mechanical intelligent plugging process.

Referring to fig. 10 and 11, the present invention further provides a charging pile, including the charging adapter and a charging connector 41 adapted to the insertion groove 23 of the second connection end 20, wherein the charging connector 41 is connected to the charging pile wire 40 and disposed at an end of the charging pile wire 40.

The invention has the beneficial effects that:

the charging adapter connector obtained through the design is simple in structure and low in manufacturing difficulty, the charging connector which is in butt joint can be inserted at any position through the circular and concentrically arranged inserting grooves and the outwards-expanded horn-shaped connecting grooves, the charging gun does not need to be rotated or adjusted to determine whether the charging connector is located on the corresponding hole, and when mechanical butt joint is conducted in a non-manual operation mode, high-precision induction components are not needed for aiming, only low-precision induction components which can correspond to the range covered by the horn-shaped connecting grooves are needed, the horn-shaped connecting grooves can guide the charging connector to be inserted into the inserting seats, and therefore equipment input cost is greatly saved.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.