CN204464705U - Charging connection for electric vehicles - Google Patents

Abstract

The utility model provides a kind of charging connecting device of electric automobile, comprising: vehicle plug, charging pile plug, the first adapter and the second adapter.Vehicle plug comprises the first AC power contact, the first center line contact, the first protective earthing contact, and the first charging confirms that contact and first controls to confirm contact.Charging pile plug comprises the second AC power contact, the second center line contact, the second protective earthing contact, and the second charging confirms that contact and second controls to confirm contact.First adapter is connected with vehicle plug by the first cable, and the second adapter is connected with charging pile plug by the second cable.First adapter and the second adapter have position identical and the 3rd contact that structure is suitable and the 4th contact, and contact identical with function in charging pile plug for vehicle plug can be connected.The application can solve the problem that the electric automobile produced according to Europe superscript and American Standard in prior art cannot use the charging pile charging of producing according to GB.

Description

Charging connection for electric vehicles

technical field

The utility model relates to the field of electric vehicle charging, in particular to a charging connection device for an electric vehicle.

Background technique

With the development of electric vehicles, countries have joined the standardization process of electric vehicles. The electric vehicle charging connection device is an important part for connecting electric vehicles and power supply equipment during the charging process of electric vehicles. The unification of standards for electric vehicle charging connection devices is of great significance for promoting the promotion and application of electric vehicles and the construction of charging infrastructure.

At present, in foreign countries, the main international standard for conductive charging connection devices for electric vehicles is IEC 62196, which consists of three parts: IEC62196-1, IEC62196-2 and IEC 62196-3. Among them, IEC 62196-2 includes three AC charging interface schemes, which are defined as type1, type2, and type3 respectively. Type1 and type2 are widely adopted, corresponding to American standard and European standard respectively. Domestically, the main national standard for conductive charging connection devices for electric vehicles is GB/T 20234.1, 2, 3-2011, which consists of three parts, and the form is close to IEC 62196-1, 2, 3.

In the existing technology, the charging settings of electric vehicles used in my country adopt the GB/T 20234.2-2011 standard. Since the charging sockets of the national standard are not compatible with the charging plugs of the American standard and the European standard, the electric vehicles produced according to the European standard and the American standard The charging operation cannot be realized in China, which causes great inconvenience to people's life and travel.

Utility model content

The main purpose of the utility model is to provide a charging connection device for electric vehicles to solve the problem in the prior art that electric vehicles produced according to European and American standards cannot be charged by charging piles produced according to national standards.

In order to achieve the above purpose, the utility model provides a charging connection device for an electric vehicle, including: a vehicle plug, including a plurality of first contacts, the plurality of first contacts include a first AC power contact, a first neutral contact head, the first protective ground contact, the first charging confirmation contact and the first control confirmation contact; the charging pile plug includes a plurality of second contacts, and the plurality of second contacts include the second AC power contact, the first The second neutral contact, the second protective ground contact, the second charging confirmation contact and the second control confirmation contact; the charging connection device also includes: a first adapter, the first adapter is connected to the vehicle plug through the first cable , the first adapter includes a plurality of third contacts, the plurality of third contacts include a third AC power contact, a third neutral contact, a third protective earth contact, a third charging confirmation contact and a third control Confirm the contacts, the first cable is configured such that the first AC power contact is connected to the third AC power contact, the first neutral contact is connected to the third neutral contact, the first protective earth contact is connected to the third The protective ground contact is connected correspondingly, the first charging confirmation contact is connected correspondingly with the third charging confirmation contact, the first control confirmation contact is connected correspondingly with the third control confirmation contact; the second adapter can be connected with the first adapter Detachably connected, and the second adapter is connected to the plug of the charging pile through a second cable, the second adapter includes a plurality of fourth contacts, the arrangement of the plurality of fourth contacts is the same as that of the plurality of third contacts and the structure Matching, the plurality of fourth contacts include a fourth AC power contact, a fourth neutral contact, a fourth protective earth contact, a fourth charging confirmation contact and a fourth control confirmation contact, and the second cable configuration In order to connect the third AC power contact to the fourth AC power contact, the third neutral contact to the fourth neutral contact, the third protective earth contact to the fourth protective earth contact, and the third The charging confirmation contact is correspondingly connected with the fourth charging confirmation contact, and the third control confirmation contact is correspondingly connected with the fourth control confirmation contact.

Further, one of the first adapter and the second adapter is a first male needle, and the other of the first adapter and the second adapter is a female needle matched with the first male needle.

Further, one of the first adapter and the second adapter has a limiting portion, and the other of the first adapter and the second adapter has a limiting portion that cooperates with the limiting portion.

Further, the limiting part includes a dislocation preventing groove, and the restricted part includes a dislocation preventing protrusion adapted to the dislocation preventing groove.

Further, there is a fastening component between the first adapter and the second adapter.

Further, one of the first adapter and the second adapter is provided with an external thread, and the other of the first adapter and the second adapter is provided with an internal thread sleeve that cooperates with the external thread, wherein the external A threaded and internally threaded sleeve forms a fastening assembly.

Further, the cross-sectional shape of the first adapter and the second adapter is circular, and the diameters of the first adapter and the second adapter are equal.

Further, the plug of the charging post is configured as a second male pin.

Applying the technical solution of the utility model, there are a first adapter and a second adapter, and a first cable and a second cable between the vehicle plug and the charging pile plug. The vehicle plug and the first adapter can connect the first AC power contact, the first neutral contact, the first protective ground contact, the first charging confirmation contact and the second contact in the vehicle plug of different standard specifications through the first cable A control confirming contact is correspondingly connected with the third AC power contact, the third neutral contact, the third protective earth contact, the third charging confirming contact and the third control confirming contact in the first adapter. The charging pile plug and the second adapter connect the second AC power contact, the second neutral contact, the second protective earth contact, the second charging confirmation contact and the The second control confirmation contact is correspondingly connected with the fourth AC power contact, the fourth neutral contact, the fourth protective earth contact, the fourth charging confirmation contact and the fourth control confirmation contact in the second adapter. And the arrangement position of the fourth contact is the same as that of the third contact and the structure is suitable. Therefore, when the first adapter is connected to the second adapter, through the above-mentioned first contact, second contact, third The cooperation of the contact and the fourth contact can transform vehicle plugs of different standards into charging pile plugs of uniform specifications. Moreover, the first adapter and the second adapter adopt a detachable connection method, which ensures the structural stability of the entire connecting device and prevents leakage accidents. Therefore, the utility model can solve the problem in the prior art that electric vehicles produced according to European standards and American standards cannot be charged with charging piles produced according to national standards.

Description of drawings

The accompanying drawings constituting a part of this application are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute improper limitations to the utility model. In the attached picture:

Fig. 1 shows a schematic front view of a first adapter of an embodiment of a charging connection device for an electric vehicle according to the present invention;

Fig. 2 shows a schematic front view of a second adapter of the charging connection device of the electric vehicle in Fig. 1;

Fig. 3 shows a schematic front view of the interface of the first adapter in Fig. 1;

Fig. 4 shows a schematic front view of the interface of the second adapter in Fig. 2; and

Fig. 5 shows a schematic diagram of connection when the charging connection device of an electric vehicle is connected to electric vehicles of different specifications.

Wherein, the above-mentioned accompanying drawings include the following reference signs:

1. Vehicle plug; 2. Charging pile plug; 10. First adapter; 11. Third contact; 12. Misalignment prevention groove; 13. Internal thread sleeve; 20. Second adapter; 21. Fourth Contact; 22, anti-dislocation protrusion; 23, external thread; 31, first cable; 32, second cable.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

As shown in Figure 1 and Figure 2, the charging connection device of the electric vehicle in this embodiment includes: a vehicle plug 1, a charging pile plug 2, a first adapter 10, a second adapter 20, a first cable 31 and a second cable32. The vehicle plug 1 includes a plurality of first contacts, and the plurality of first contacts include a first AC power contact, a first neutral contact, a first protective ground contact, a first charging confirmation contact and a first control confirmation contact. head. The charging pile plug 2 includes a plurality of second contacts, the second contacts include a second AC power contact, a second neutral contact, a second protective ground contact, a second charging confirmation contact and a second control confirmation contact .

The first adapter 10 is connected to the vehicle plug 1 through a first cable 31 . The first adapter 10 includes a plurality of third contacts 11, and the third contacts 11 include a third AC power contact, a third neutral contact, a third protective earth contact, a third charging confirmation contact and a third control contact. To confirm the contacts, the first cable 31 is configured such that the first AC power contact is connected to the third AC power contact, the first neutral contact is connected to the third neutral contact, the first protective earth contact is connected to the second The three protective grounding contacts are connected correspondingly, the first charging confirmation contact is correspondingly connected with the third charging confirmation contact, and the first control confirmation contact is correspondingly connected with the third control confirmation contact;

The second adapter 2 is detachably connected to the first adapter 10 . The second adapter 20 includes a plurality of fourth contacts 21, and the fourth contacts 21 include a fourth AC power contact, a fourth neutral contact, a fourth protective ground contact, a fourth charging confirmation contact and a fourth control contact. Confirming the contacts, the second cable 32 is configured such that the third AC power contact is connected to the fourth AC power contact, the third neutral contact is connected to the fourth neutral contact, and the third protective earth contact is connected to the fourth AC power contact. The four protection grounding contacts are connected correspondingly, the third charging confirmation contact is connected correspondingly with the fourth charging confirmation contact, and the third control confirmation contact is connected correspondingly with the fourth control confirmation contact.

Applying the technical solution of this embodiment, in the electric vehicle charging connection device, the connection relationship of each plug and contact is as follows:

Between the vehicle plug 1 and the charging pile plug 2 are a first adapter 10 and a second adapter 20 , and a first cable 31 and a second cable 32 . The vehicle plug 1 and the first adapter 10 connect the first AC power contact, the first neutral contact, the first protective ground contact, and the first charging confirmation contact in the vehicle plug 1 of different standard specifications through the first cable 31. The head and the first control confirmation contact correspond to the third AC power contact, the third neutral contact, the third protective ground contact, the third charging confirmation contact and the third control confirmation contact in the first adapter 10. connect.

The charging pile plug 2 and the second adapter 20 connect the second AC power contact, the second neutral line contact, the second protective earth contact, and the second charging confirmation contact and the second control confirmation contact and the fourth AC power contact, the fourth neutral contact, the fourth protective ground contact, the fourth charging confirmation contact and the fourth control confirmation contact in the second adapter 20 corresponding connection.

The third contacts 11 of the first adapter 10 are arranged in the same manner as the fourth contacts 21 of the second adapter 20 and their shapes match.

Therefore, when the first adapter 10 is connected to the second adapter 20, through the cooperation of the above-mentioned first contact, second contact, third contact 11 and fourth contact 21, different standard vehicle plugs can be connected to each other. 1 is transformed into a charging pile plug 2 with a unified specification. Moreover, the first adapter 10 and the second adapter 20 adopt a detachable connection method, which ensures the structural stability of the entire connection device and prevents leakage accidents. Therefore, this embodiment can solve the problem in the prior art that electric vehicles produced according to European standards and American standards cannot be charged by charging piles produced according to national standards.

As shown in Figures 1 and 2, in the technical solution of this embodiment, one of the first adapter 10 and the second adapter 20 is a first male needle, and one of the first adapter 10 and the second adapter 20 The other one is a female pin that cooperates with the first male pin. The first adapter 10 and the second adapter 20 are connected in a male-to-female manner, which can ensure the stability of the third contact 11 in the first adapter 10 and the fourth contact 21 in the second adapter 20. connection method, thereby improving the working stability of the entire charging connection device.

As shown in Figure 3 and Figure 4, in the technical solution of this embodiment, one of the first adapter 10 and the second adapter 20 has a limiting part, and one of the first adapter 10 and the second adapter 20 The other has a restricted part that cooperates with the limiting part. A limiting portion and a restricted portion are provided between the first adapter 10 and the second adapter 20 to ensure that the third contact 11 and the fourth contact 21 are accurately connected after the first adapter 10 and the second adapter 20 are connected. Cooperate to prevent the misalignment of the contacts, thereby ensuring the normal operation of the charging connection device.

As shown in FIG. 3 and FIG. 4 , in the technical solution of this embodiment, the limiting part includes a dislocation preventing groove 12 , and the restricted part includes a dislocation preventing protrusion 22 adapted to the dislocation preventing groove. In this embodiment, the anti-dislocation groove 12 is arranged on the interface end surface of the first adapter 10, the anti-dislocation protrusion 22 is arranged on the interface end surface of the second adapter 20, and the anti-dislocation groove 12 and the anti-dislocation protrusion 22 The size and shape match each other. When the docking operation of the first adapter 10 and the second adapter 20 is completed, the third contact 11 in the first adapter 10 can be ensured only by snapping the anti-dislocation protrusion 22 into the anti-dislocation groove 12 . It is precisely matched with the fourth contact 21 in the second adapter 20 .

As shown in FIG. 3 and FIG. 4 , in the technical solution of this embodiment, there is a fastening assembly between the first adapter 10 and the second adapter 20 . The specific function of the fastening component is to fasten the first adapter 10 and the second adapter 20, so as to prevent the first adapter 10 from the second adapter 20 from disengaging when the charging connection device is working, causing an electric shock accident.

As shown in Figures 3 and 4, in the technical solution of this embodiment, one of the first adapter 10 and the second adapter 20 is provided with an external thread 23, and the first adapter 10 and the second adapter 20 The other one is provided with an internally threaded sleeve 13 cooperating with the externally threaded 23, wherein the externally threaded 23 and the internally threaded sleeve 13 form a fastening assembly. In this embodiment, the external thread 23 is provided on the outer wall of the interface of the second adapter 20, the internal thread sleeve 13 is sleeved on the first adapter 10, and the limiting structure of the first adapter 10 can define the internal thread sleeve The movement position of cylinder 13.

After the docking operation of the first adapter 10 and the second adapter 20 is completed, the inner threaded sleeve 13 is screwed on the outer thread 23 , that is, the fastening operation of the first adapter 10 and the second adapter 20 is completed.

As shown in Figures 3 and 4, in the technical solution of this embodiment, the first adapter 10 and the second adapter 20 have a circular cross-sectional shape, and the diameters of the first adapter 10 and the second adapter 20 are equal . The first adapter 10 and the second adapter 20 have the same interface section shape to facilitate assembly.

In the technical solution of this embodiment, the charging post plug 2 is configured as a second male pin. The charging pile plug 2 cooperates with the national standard charging pile socket produced according to the standard GB/T 20234.2-2011, and the above-mentioned national standard charging pile socket is configured as a female pin, so the charging pile plug 2 in this embodiment also meets the GB/T 20234.2-2011 standard and Configured as the second male pin.

The following will describe how to apply this embodiment to realize the charging operation of the electric vehicle produced according to the European standard and the American standard in the charging pile produced according to the national standard with reference to FIG. 5 .

As shown in FIG. 5 , the first adapter 10 and the second adapter 20 form an adapter, the adapter is connected to the vehicle plug 1 through the first cable 31 , and the adapter is connected to the charging pile plug 2 through the second cable 32 . The vehicle plug 1 can adopt different specifications, wherein:

When the charging device of the vehicle to be charged is produced according to IEC 62196-2Type1, that is, an electric vehicle produced by American Standard, the vehicle plug 1 is also configured to meet the IEC 62196-2Type1 standard, and the first contact of the vehicle plug 1 is configured as a female The needle is adapted to the charging socket of the vehicle. After the conversion process of the first cable 31, the transfer interface and the second cable 32, an AC power contact, the first neutral contact, and the first protective grounding of the vehicle plug 1 Contacts, the first charging confirmation contact and the first control confirmation contact and the two AC power contacts of the charging pile plug 2, the second neutral contact, the second protective ground contact, the second charging confirmation contact and the second The control confirms that the contacts are connected correspondingly, so as to realize the charging operation.

When the charging device of the vehicle to be charged is produced according to IEC 62196-2Type2, that is, an electric vehicle produced by the European standard, the vehicle plug 1 is also configured to meet the IEC 62196-2Type2 standard, and the first contact of the vehicle plug 1 is configured as a female The needle is adapted to the charging socket of the vehicle. After the conversion process of the first cable 31, the transfer interface and the second cable 32, the first AC power contact, the first neutral contact, and the first protection of the vehicle plug 1 The grounding contact, the first charging confirmation contact and the first control confirmation contact are connected to the two AC power contacts, the second neutral contact, the second protective grounding contact, the second charging confirmation contact and the second AC power contact of the charging pile plug 2. The second control confirms the corresponding connection of the contacts, so as to realize the charging operation.

When the charging device of the vehicle to be charged is produced according to GB/T 20234.2-2011, which is an electric vehicle produced by the national standard, the vehicle plug 1 is also configured to meet the GB/T 20234.2-2011 standard, and the first contact of the vehicle plug 1 Configured as a male pin, it is adapted to the charging socket of the vehicle. After the conversion process of the first cable 31, the transfer interface and the second cable 32, an AC power contact, a first neutral contact, and a second contact of the vehicle plug 1 A protective grounding contact, the first charging confirmation contact and the first control confirmation contact, and the two AC power contacts of the charging pile plug 2, the second neutral line contact, the second protective grounding contact, and the second charging confirmation contact And the second control confirms that the contacts are connected correspondingly, so as to realize the charging operation.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (8)

1. A charging connection device for an electric vehicle, comprising: The vehicle plug (1) includes a plurality of first contacts, the plurality of first contacts include a first AC power contact, a first neutral contact, a first protective ground contact, a first charging confirmation contact, and The first control confirmation contact; The charging pile plug (2) includes a plurality of second contacts, the plurality of second contacts include a second AC power contact, a second neutral contact, a second protective ground contact, and a second charging confirmation contact and a second control confirmation contact; It is characterized in that the charging connection device also includes: A first adapter (10), the first adapter (10) is connected to the vehicle plug (1) through a first cable (31), and the first adapter (10) includes a plurality of third contacts head (11), the plurality of third contacts (11) include a third AC power contact, a third neutral contact, a third protective earth contact, a third charging confirmation contact and a third control confirmation contact , the first cable (31) is configured such that the first AC power contact is correspondingly connected to the third AC power contact, and the first neutral contact is correspondingly connected to the third neutral contact , the first protective ground contact is correspondingly connected to the third protective ground contact, the first charging confirmation contact is correspondingly connected to the third charging confirmation contact, and the first control confirmation contact is connected to the The third control confirms that the contacts are correspondingly connected; The second adapter (20) is detachably connected to the first adapter (10), and the second adapter (20) is connected to the charging pile plug (2) through a second cable (32). connection, the second adapter (20) includes a plurality of fourth contacts (21), the plurality of fourth contacts (21) are arranged in the same position as the plurality of third contacts (11) and have the same structure Adapted, the plurality of fourth contacts (21) include a fourth AC power contact, a fourth neutral contact, a fourth protective ground contact, a fourth charging confirmation contact and a fourth control confirmation contact, The second cable (32) is configured such that the third AC power contact is correspondingly connected to the fourth AC power contact, the third neutral contact is correspondingly connected to the fourth neutral contact, The third protective grounding contact is correspondingly connected to the fourth protective grounding contact, the third charging confirmation contact is correspondingly connected to the fourth charging confirmation contact, and the third control confirmation contact is connected to the fourth charging confirmation contact. The fourth control confirms that the contacts are correspondingly connected. 2. The charging connection device according to claim 1, characterized in that, one of the first adapter (10) and the second adapter (20) is a first male pin, and the first adapter The other of the joint (10) and the second adapter (20) is a female pin matched with the first male pin. 3. The charging connection device according to claim 1, characterized in that, one of the first adapter (10) and the second adapter (20) has a limiting portion, and the first adapter (10) The other one of the second adapter (20) has a restricted portion that cooperates with the limiting portion. 4. The charging connection device according to claim 3, characterized in that, the limiting portion includes an anti-displacement groove (12), and the restricted portion includes an anti-dislocation protrusion adapted to the anti-displacement groove from (22). 5. The charging connection device according to claim 1, characterized in that, there is a fastening component between the first adapter (10) and the second adapter (20). 6. The charging connection device according to claim 5, characterized in that, One of the first adapter (10) and the second adapter (20) is provided with an external thread (23), and the first adapter (10) and the second adapter (20) The other one is provided with an internally threaded sleeve (13) cooperating with the external thread (23), Wherein, the external thread (23) and the internal thread sleeve (13) form the fastening assembly. 7. The charging connection device according to claim 1, characterized in that, the first adapter (10) and the second adapter (20) have circular cross-sectional shapes, and the first adapter ( 10) and the diameter of the second adapter (20) are equal. 8. The charging connection device according to claim 1, characterized in that, the charging pile plug (2) is configured as a second male pin.