CN202205925U - Plug, socket and electric vehicle system - Google Patents

Abstract

The utility model relates to a plug, socket and electric motor car system, wherein: the plug comprises a plug body, a first type contact piece arranged on the plug body and a second type contact piece arranged on the plug body, wherein the second type contact piece is connected with the communication line; the socket comprises a socket body, a third type contact element arranged on the socket body and a fourth type contact element arranged on the socket body, wherein the fourth type contact element is connected with the communication line; the first type of contact element of the plug is connected with the anode and the cathode of the first digital signal transceiving equipment, and the second type of contact element of the plug is connected with the communication port of the first digital signal transceiving equipment through a communication line; and the third type contact element of the socket is connected with the anode and the cathode of the battery pack, the fourth type contact element of the socket is connected with the second digital signal transceiving equipment through a communication line, and the socket is matched with the plug. The utility model discloses can realize the intelligent charging and the intelligent maintenance to electric motor car group battery.

Description

Plugs, sockets and electric vehicle systems

technical field

The utility model relates to a plug and a socket, in particular to a plug and a socket for charging an electric vehicle and a corresponding electric vehicle system.

Background technique

With the rapid development of electric vehicle technology, the requirements for the cooperation between the charger and the electric vehicle are getting higher and higher. As shown in FIG. 1 , the battery pack 300 installed on the electric vehicle 100 is charged by the charger 200 , wherein the charger 200 and the battery pack 300 are connected through a plug 410 and a socket 420 .

The electric vehicle charging plug 410 and socket 420 in the prior art are specifically shown in Figure 2A and Figure 2B, the pins 411 and 412 in the plug 410 and the pins 421 and 422 in the socket 420 are used to transmit power, and the pins 413 in the plug 410 and the pins 423 in the socket 420 are empty pins. Generally speaking, the pin 411 and the pin 412 are in contact with the positive pole and the negative pole of the charger, and the pin 421 and the pin 422 are respectively in contact with the positive pole and the negative pole of the battery pack.

Since both the pins 413 and 423 are empty, the charging and discharging information of the battery pack on the electric vehicle cannot be obtained in time through the three-pin socket and plug in the prior art.

Utility model content

In view of this, the purpose of the utility model is to provide a plug, a socket and an electric vehicle system, so as to obtain the charging and discharging information of the battery pack on the electric vehicle in time.

In order to achieve the above purpose, the utility model provides a plug, comprising:

Plug body;

a first type of contact disposed on the plug body; and

The second type of contact is arranged on the plug body, and the second type of contact is connected with the communication line.

For the above plug, preferably, the first type of contact is connected to the positive and negative poles of the first digital signal transceiver device; the second type of contact is connected to the communication port of the first digital signal transceiver through a communication line connected.

In order to achieve the above purpose, the utility model provides a socket, comprising:

Socket body;

a third type of contact disposed on the socket body; and

The fourth type of contact is arranged on the socket body, and the fourth type of contact is connected with the communication line.

For the above socket, preferably, the third type of contact is connected to the positive pole and the negative pole of the battery pack; the fourth type of contact is connected to the second digital signal transceiving device through a communication line.

In order to achieve the above purpose, the utility model also provides an electric vehicle system, including:

The first digital signal transceiver device;

In the plug described in the above technical solution, the first type of contact of the plug is connected to the positive pole and the negative pole of the first digital signal transceiver device, and the second type of contact of the plug is connected to the first type of contact through a communication line. A data port of a digital signal transceiver device is connected;

a second digital signal transceiving device; and

In the socket described in the above technical solution, the third type of contact of the socket is connected to the positive pole and the negative pole of the battery pack, and the fourth type of contact of the socket is connected to the second digital signal transceiver device through a communication line. connection, the socket matches the plug.

Preferably, the first digital signal transceiving device is a charger or a detector.

Preferably, the detector is connected to a computer via a universal serial bus.

Preferably, the second digital signal transceiving device is a battery management system or a battery controller installed on the electric vehicle.

Through the above-mentioned embodiment of the utility model, since the second type of contacts in the plug and the fourth type of contacts in the socket are connected to the communication line, when the socket is in contact with the plug, the battery pack on the electric vehicle can be obtained in time Based on the obtained charge and discharge information, the battery pack can be intelligently managed based on the obtained charge and discharge information, further prolonging the service life of the battery pack.

Other features and aspects of the present invention will become apparent from the following detailed description of exemplary embodiments with reference to the accompanying drawings.

Description of drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate exemplary embodiments, features, and aspects of the invention and, together with the description, serve to explain the principles of the invention.

Fig. 1 is the system block diagram of electric vehicle battery charging in the prior art;

FIG. 2A is a schematic structural view of a plug used to charge an electric vehicle battery in the prior art;

Fig. 2B is a schematic structural diagram of a socket used to charge an electric vehicle battery in the prior art;

Fig. 3A is a schematic structural diagram of a plug provided by an embodiment of the present invention;

Fig. 3B is a schematic structural diagram of a socket provided by an embodiment of the present invention;

Fig. 4 is a schematic structural diagram of a plug and socket provided by an embodiment of the present invention applied to an electric vehicle charging system;

Fig. 5 is a schematic structural diagram of a plug and socket provided in another embodiment of the present invention applied to an electric vehicle charging system;

Fig. 6 is a schematic structural diagram of a plug and socket provided by an embodiment of the present invention applied to an electric vehicle battery detection system;

Fig. 7 is a schematic structural diagram of a plug and socket provided by another embodiment of the present invention applied to an electric vehicle battery detection system.

Detailed ways

Various exemplary embodiments, features, and aspects of the present invention will be described in detail below with reference to the accompanying drawings. The same reference numbers in the figures indicate functionally identical or similar elements.

As mentioned above, the utility model improves the empty pins in the plugs and sockets in the prior art, and connects them with the communication lines used to transmit digital signals respectively, so as to realize the transmission such as voltage, temperature, etc. related to the battery pack The digital signal enables the equipment used to control the battery pack (such as a battery management system (BMS, Battery Management System) or controller) to intelligently manage the battery pack based on the transmitted digital signal, which helps to further extend the battery pack. life.

Fig. 3A is a schematic structural diagram of a plug provided by an embodiment of the present invention. As shown in FIG. 3A , the plug 510 includes: a plug body, a first type of contact disposed on the plug body, and a second type of contact disposed on the plug body. Wherein, the first type of contact includes: a first pin 511, a second pin 512, the first pin 511 and the second pin 512 are used to transmit power; the second type of contact includes: a third pin 513 , the third pin 513 is used to transmit digital signals through the communication line.

Further, the first pin 511 and the second pin 512 are respectively connected to the positive pole and the negative pole of the first digital signal transceiver device; the third pin 513 is connected to the communication port of the first digital signal transceiver device through a communication line; Further, the first digital signal transceiving device may specifically be a charger, a detector, and the like.

Fig. 3B is a schematic structural diagram of a socket provided by an embodiment of the present invention. As shown in FIG. 3B , the socket 520 includes: a socket body, a third type of contact disposed on the socket body, and a fourth type of contact disposed on the socket body. Among them, the third type of contact includes: the fourth pin 521, the fifth pin 522, the fourth pin 521 and the fifth pin 522 are used to transmit power, the fourth type of contact includes: the sixth pin 523, The sixth pin 523 is used to transmit digital signals through the communication line.

Further, the fourth pin 521 and the fifth pin 522 are respectively connected to the positive pole and the negative pole of the battery pack; the sixth pin 523 is connected to the second digital signal transceiver device through a communication line; further, the second digital signal Specifically, the transceiver device may be a battery management system or a controller of an electric vehicle.

In addition, in the above-mentioned embodiments shown in FIG. 3A and FIG. 3B , the first pin 511 , the second pin 512 , the fourth pin 521 , and the fifth pin 522 are generally used as contacts for power transmission. Thick copper wire, etc. As contacts for transmitting digital signals, the third pin 513 and the sixth pin 523 generally use thinner signal transmission lines (communication lines).

Fig. 4 is a schematic structural diagram of a plug and socket provided by an embodiment of the present invention applied to an electric vehicle charging system. As shown in FIG. 4 , the charger 200 externally connected to the AC power supply to the electric vehicle via the first pin 511 and the second pin 512 in the plug 510 and the fourth pin 521 and the fifth pin 522 in the socket 520 While the battery pack 300 in the 100 is being charged, the charger 200 also establishes a digital signal transmission channel with the BMS 110 in the electric vehicle 100 via the third pin 513 in the plug 510 and the sixth pin 523 in the socket 520, Thus, the BMS 110 can send information related to the voltage and current of the battery pack 300 and corresponding control information to the charger 200. Correspondingly, the charger 200 can grasp the charging and discharging state of the battery pack 300 in time based on the received information, so as to avoid disorderly charging and wrong charging of the battery pack 300, so that the battery pack 300 will not be overcharged or undercharged. And over-discharge, etc. and shorten the service life.

Fig. 5 is a schematic structural diagram of a plug and a socket provided by another embodiment of the present invention applied to an electric vehicle charging system. As shown in FIG. 5 , a digital signal transmission channel is established between the controller 120 and the charger 200 via the third pin 513 of the plug 510 and the sixth pin 523 of the socket 520 .

For the application of electric vehicle charging, although the BMS 110 or the controller 120 in the electric vehicle 100 is used as the communication peer for exemplary illustration, those skilled in the art should understand that the present invention is not limited thereto. In other words, as long as any component in the electric vehicle 100 establishes a digital signal transmission channel with the charger 200 via the signal transmission contact 513 in the plug 510 and the signal transmission contact 523 in the socket 520 , the electric vehicle 100 can pass through the The digital signal transmission channel cooperates with the charger 200 to realize the intelligent charging management of the battery pack 300 .

In addition, the plugs and sockets provided by the embodiments of the present invention are not only suitable for charging electric vehicles, in other words, the plugs and sockets provided by the embodiments of the present invention are also suitable for other applications such as battery detection. Fig. 6 and Fig. 7 respectively show the structure diagrams of two systems in which the plug and the socket are applied to electric vehicle battery detection according to the exemplary embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a plug and socket provided by an embodiment of the present invention applied to an electric vehicle battery detection system; as shown in Fig. The six pins 523 establish a digital signal transmission channel with the BMS 110 in the electric vehicle 100, and the detector 600 can establish a universal serial bus (USB) connection with an external computer. Thus, the detector 600 can obtain information about the voltage, temperature, etc. The computer can grasp the working state of the battery pack 300 based on the received information and take corresponding maintenance measures in time, thereby realizing the intelligent maintenance of the battery pack 300 .

Fig. 7 is a schematic structural diagram of a plug and a socket provided by another embodiment of the present invention applied to an electric vehicle battery detection system; as shown in Fig. The sixth pin 523 establishes a digital signal transmission channel with the controller 120 in the electric vehicle 100 , and the detector 600 can establish a universal serial bus (USB) connection with an external computer. Thus, the detector 600 can obtain information about the voltage and temperature of the battery pack 300 from the controller 120 through the signal contact between the plug 510 and the socket 520, and transmit the above information to the computer through the USB connection, so that The external computer can grasp the working state of the battery pack 300 based on the received information and take corresponding maintenance measures in time, thereby realizing the intelligent maintenance of the battery pack 300 .

In addition, the embodiments of the present utility model illustrate the first type of contact, the second type of contact, the third type of contact, and the fourth type of contact with rectangles as examples. Those of ordinary skill in the art can understand that plugs and sockets The shape of the contact piece is not limited to a rectangle, as long as the plug and the socket can be electrically connected through the contact piece, it is the shape of the contact piece covered by the embodiment of the present invention.

It should be declared that the above content and specific implementation of the utility model are only intended to prove the practical application of the technical solution provided by the utility model, and should not be interpreted as limiting the protection scope of the utility model. Those skilled in the art may make various modifications, equivalent replacements or improvements within the spirit and principle of the present utility model. The scope of protection of the utility model shall be determined by the appended claims.

Claims (8)

1. a plug is characterized in that, said plug comprises:

Header body;

Be arranged on the first kind contact on the said header body; And

Be arranged on second type of contact on the said header body, said second type of contact is connected with order wire.

2. plug according to claim 1 is characterized in that,

Said first kind contact is connected with negative pole with the positive pole of the first digital signal transceiver;

Said second type of contact is connected through the COM1 of order wire with the said first digital signal transceiver.

3. a socket is characterized in that, said socket comprises:

Jack body;

Be arranged on the 3rd type of contact on the said jack body; And

Be arranged on the 4th type of contact on the said jack body, said the 4th type of contact is connected with order wire.

4. socket according to claim 3 is characterized in that,

Said the 3rd type of contact is connected with negative pole with the positive pole of battery pack;

Said the 4th type of contact is connected through the COM1 of order wire with the second digital signal transceiver.

5. an electric vehicle system is characterised in that, said charging system of electric powercar comprises:

The first digital signal transceiver;

According to the plug described in the claim 1; The first kind contact of said plug is connected with negative pole with the positive pole of the said first digital signal transceiver, and second type of contact of said plug is connected through the FPDP of order wire with the said first digital signal transceiver;

The second digital signal transceiver; And

According to the socket described in the claim 3; The 3rd type of contact of said socket is connected with negative pole with the positive pole of battery pack; The 4th type of contact of said socket is connected through order wire with the said second digital signal transceiver, and said socket matches with said plug.

6. electric vehicle system according to claim 5 is characterized in that,

The said first digital signal transceiver is charger or detector.

7. electric vehicle system according to claim 6 is characterized in that,

Said detector is connected with computer through USB.

8. according to the described electric vehicle system of each claim among the claim 5-7, it is characterized in that,

The said second digital signal transceiver is battery management system or the battery controller that is arranged in the electric motor car.

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