CN215921909U

CN215921909U - Charging equipment

Info

Publication number: CN215921909U
Application number: CN202121096707.9U
Authority: CN
Inventors: 陆珂伟; 王佳斌; 陆智尧; 李骥; 汪国康
Original assignee: SAIC Motor Corp Ltd
Current assignee: SAIC Motor Corp Ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2022-03-01
Anticipated expiration: 2031-05-20

Abstract

The utility model discloses a charging device. The utility model relates to the technical field of electric automobiles, and the charging equipment comprises: a controller, a first wire harness and a second wire harness; the input end of the first wire harness is of a different type than the input end of the second wire harness; the output end of the first wire harness is consistent with the output end of the second wire harness in type; the input end of the first wire harness is used for connecting a power grid power supply; the input end of the second wire harness is used for connecting the power grid power supply; the controller is used for reducing the output power of the charging equipment when the input end of the controller is connected with the output end of the first wire harness; and when the input end of the controller is connected with the output end of the second wire harness, increasing the output power of the charging equipment. This battery charging outfit unites two into one portable battery charging outfit and wall-hanging battery charging outfit, is showing the cost that charges that has reduced the user.

Description

Charging equipment

Technical Field

The application relates to the technical field of electric automobiles, in particular to charging equipment.

Background

With the development of science and technology, new energy automobiles such as electric automobiles are more and more common. When the electric quantity of the electric automobile is insufficient, the electric automobile cannot run, and therefore the electric automobile needs to be charged by using the charging equipment.

Charging equipment for electric vehicles is mainly divided into two types: portable charging equipment and wall-mounted charging equipment. In order to meet the requirements in different charging scenarios, users generally purchase two kinds of charging devices. The portable charging equipment is used for a temporary charging scene or an away-from-home charging scene; wall-mounted charging equipment is used for the family scene of charging.

Therefore, if a user needs to meet charging requirements in various scenes, the user needs to purchase various charging devices, and therefore the charging cost of the user is increased.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the application provides a charging device, and the portable charging device and a wall-mounted charging device are combined into one, so that the charging cost of a user is remarkably reduced, namely the charging device provided by the application shares the same controller, and then the charging requirements under different scenes are met through different wire harnesses.

The application discloses following technical scheme:

the application discloses battery charging outfit, this battery charging outfit includes: a controller, a first wire harness and a second wire harness;

the input end of the first wire harness is of a different type than the input end of the second wire harness; the output end of the first wire harness is consistent with the output end of the second wire harness in type;

the input end of the first wire harness is used for connecting a power grid power supply; the input end of the second wire harness is used for connecting the power grid power supply;

the controller is used for reducing the output power of the charging equipment when the input end of the controller is connected with the output end of the first wire harness; and when the input end of the controller is connected with the output end of the second wire harness, increasing the output power of the charging equipment.

Optionally, the controller is configured to reduce the output power of the charging device to be below a preset power threshold when it is identified that the input end of the controller is connected to the output end of the first wire harness; and when the input end of the controller is connected with the output end of the second wire harness, increasing the output power of the charging equipment to the maximum output power.

Optionally, the output end of the first wire harness includes a first positive communication end and a first negative communication end, and the output end of the second wire harness includes a second positive communication end and a second negative communication end; the input end of the controller comprises a third positive communication end and a third negative communication end;

a first resistor is connected in series between the first positive communication terminal and the first negative communication terminal, a second resistor is connected in series between the second positive communication terminal and the second negative communication terminal, a third resistor is connected in series between the third positive communication terminal and the third negative communication terminal, and a preset voltage exists between the third positive communication terminal and the third negative communication terminal;

the resistance value of the first resistor is lower than that of the second resistor;

and the controller is used for identifying the voltage at two ends of the third resistor and determining the wiring harness connected with the input end of the controller according to the voltage at two ends of the third resistor.

Optionally, the charging device further comprises a charging gun;

the charging gun is used for being connected with an electric automobile and charging the electric automobile.

Optionally, the charging device further comprises a housing;

the shell is used for placing the controller.

Optionally, the housing includes a harness mounting opening;

the wire harness mounting port is used for connecting the output end of the first wire harness or the output end of the second wire harness with the input end of the control.

Optionally, the housing further includes a heat dissipation air inlet and a heat dissipation air outlet.

Optionally, the input end of the first wire harness is a three-hole plug, and the input end of the second wire harness is a fixed terminal.

Optionally, the resistance of the first resistor is 220 ohms, the resistance of the second resistor is 680 ohms, the resistance of the third resistor is 100 ohms, and the preset voltage is 12 volts.

Optionally, the preset power threshold is 2000 watts, and the maximum output power is 7000 watts.

According to the technical scheme, the method has the following advantages:

the utility model provides a charging device. The charging device includes a controller, a first wire harness, and a second wire harness; the input end of the first wire harness is of a different type than the input end of the second wire harness; the output end of the first wire harness is consistent with the output end of the second wire harness in type; the input end of the first wire harness is used for connecting a power grid power supply; the input end of the second wire harness is used for connecting the power grid power supply; the controller is used for reducing the output power of the charging equipment when the input end of the controller is connected with the output end of the first wire harness, so that the function of the portable charging equipment, namely low-power charging, is realized; when the input end of the controller is identified to be connected with the output end of the second wire harness, the output power of the charging equipment is improved, and therefore the function of wall-mounted charging equipment is achieved, namely high-power charging. When the charging equipment realizes low-power or high-power charging, the same controller is shared, so that the cost of the charging equipment is reduced, and the charging cost of a user is further reduced.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic diagram of a charging apparatus according to an embodiment of the present disclosure;

FIG. 2 is a schematic diagram of an identification harness provided in an embodiment of the present application;

fig. 3 is a schematic diagram of a variation of a dc charging system according to an embodiment of the present disclosure;

fig. 4 is a schematic diagram of another charging apparatus provided in an embodiment of the present application.

Detailed Description

In order to meet charging requirements in various scenes, users need to purchase various charging devices, thereby increasing charging costs for the users.

In order to solve the problem, the application provides a charging device, the charging device shares the same controller, so that the cost of the charging device is reduced, the charging device realizes charging under different scenes through different wire harnesses, and meanwhile, the charging requirements of users under different scenes are met.

For the convenience of understanding of those skilled in the art, the charging device provided in the embodiments of the present application will be described below with reference to the accompanying drawings.

Referring to fig. 1, the figure is a schematic view of a charging apparatus provided in an embodiment of the present application.

The charging apparatus includes a first wire harness 10, a second wire harness 20, and a controller 30.

The input end of the first wire harness 10 is used for connecting a power grid, and the input end of the second wire harness 20 is used for connecting the power grid.

The input end of the first wire harness 10 is different from the input end of the second wire harness 20, and as shown in the figure, the input end of the first wire harness 10 is a three-eye plug 11, and the three-eye plug 11 can be directly connected with a common civil socket. The input end of the second harness 20 is a fixed terminal 21, and the fixed terminal 21 may be a ring terminal or a tube terminal, for example. The fixed terminal is fixedly connected with a power supply of a power grid and cannot be replaced by a pluggable power plug.

In some embodiments, an air switch 40 is further connected in series to the input end of the second wire harness 20, so that the risk of electric shock caused by misoperation of a user is reduced, and the safety of the charging device is further improved.

In some embodiments, the charging device further comprises a charging gun 50, wherein the charging gun 50 is used for connecting with an electric vehicle to charge the electric vehicle.

The output end of the first harness 10 is of the same type as the output end of the second harness 20, the output end of the first harness 10 is the male connector 12, the output end of the second harness 20 is also the male connector 22, and the input end of the controller 30 is the female connector 31, so that the female connector 31 can be connected with the male connector 12 or the male connector 22.

In other embodiments. The output end of the first harness 10 and the output end of the second harness 20 may be both plug connectors, and the input end of the controller is a plug connector male connector, which can be selected by a person skilled in the art according to actual needs, and the application does not limit the present invention.

The controller 30 can identify the harness connected to the input of the controller 30, and if it is determined that the output of the first harness 10 is connected to the input of the controller 30, the controller 30 reduces the charging power of the charging device, for example, reduces the charging power below a preset power threshold. The preset power threshold may be 2000w, so as to ensure that the three-pin plug 11 of the first harness 10 does not generate heat, burn out or even cause fire due to a large current, and further improve the charging safety.

If the controller 30 determines that the input terminal of the second harness 20 is connected to the input terminal of the controller 30, the controller 30 increases the output power of the charging device, for example, the charging power is increased to the maximum output power of the charging device, and the fixed terminal can support a large current, so that the electric vehicle can be charged with a large power.

The following describes how the controller 30 recognizes a wire harness connected to an input terminal of the controller 30.

The output end of the first wire harness 10 includes a first positive communication terminal and a first negative communication terminal, and the output end of the second wire harness 20 includes a second positive communication terminal and a second negative communication terminal; the input terminals of the controller 30 include a third positive communication terminal and a third negative communication terminal.

The first positive communication end and the first negative communication end are connected with a first resistor in series, the second positive communication end and the second negative communication end are connected with a second resistor in series, the third positive communication end and the third negative communication end are connected with a third resistor in series, and a preset voltage exists between the third positive communication end and the third negative communication end. The resistance value of the first resistor is lower than that of the second resistor; for example, the first resistor has a resistance of 220 ohms, the second resistor has a resistance of 680 ohms, and the third resistor has a resistance of 100 ohms.

And the controller 30 is used for identifying the voltage at two ends of the third resistor and determining the wiring harness connected with the input end of the controller according to the voltage at two ends of the third resistor.

For ease of understanding, the process of the controller 30 identifying the second harness will be described below with reference to fig. 2. Referring to fig. 2, the figure is a schematic diagram of an identification wire harness provided in an embodiment of the present application.

The male connector head 21 of the second harness 20 comprises a second positive communication terminal pin2+ and a second negative communication terminal pin2-, and the female connector head 31 of the controller 30 comprises a third positive communication terminal pin3+ and a third negative communication terminal pin 3-. A second resistor R2 is connected in series between the second positive communication end pin2+ and the second negative communication end pin2-, a third resistor R3 is connected in series between the third positive communication end pin3+ and the third negative communication end pin3-, and a preset voltage exists between the third positive communication end pin3+ and the third negative communication end pin 3-.

In some embodiments, the preset voltage is 12V, the resistance of the third resistor R3 is 100 ohms, the resistance of the second resistor R2 is 680 ohms, and the divided voltage across the third resistor R3 is 3.75V, so that the controller 30 can determine the wiring harness connected to the input terminal of the controller 30 as the second wiring harness according to the voltage across the third resistor.

In other embodiments, the controller 30 may also determine the wiring harness connected to the input terminal of the controller 30 as the first wiring harness according to the voltage across the third resistor. For example, if the resistance of the first resistor is 220 ohms, the resistance of the third resistor is 100 ohms, and the preset voltage is 12V, the voltage across the third resistor is 1.53, and the controller 30 can identify the wire harness as the first wire harness.

Referring to fig. 3, the figure is a schematic diagram of a variation of a dc charging system according to an embodiment of the present disclosure.

The existing charging system includes a portable or wall-mounted charging device 301, a charger 302, and an energy system 303 of the vehicle. The conventional portable charging equipment or wall-mounted charging equipment is alternating current charging equipment, and the cost of the alternating current charging equipment is lower than that of direct current charging equipment. The charging device provided by the embodiment of the application shares the controller, so that the cost of the charging device can be reduced, and even if the charging device is made into a direct current charging device, the cost is lower than the cost of a user for purchasing a portable alternating current charging device and a wall-mounted alternating current charging device.

On the basis, a vehicle-mounted charger on the electric automobile can be omitted, and the overall use cost of a user is reduced. The charging system becomes to include the charging device 401 and the vehicle energy system 402 provided by the embodiment of the present application. The charging device 401 is configured to receive ac power transmitted from the grid power source and output dc power to the vehicle energy system 402, thereby converting the ac power without a charger built into the vehicle. In view of the whole, the technical scheme of the application can reduce the whole cost.

Referring to fig. 4, the figure is a schematic view of another charging apparatus provided in the embodiment of the present application.

The charging device further comprises a housing 60, the housing 60 being used for placing the controller 30.

In some embodiments, the housing 60 further includes a harness mounting port 61, the harness mounting port 61 for connecting an output of the first harness or an output of the second harness with an input of the controller.

The housing further comprises a heat dissipation air inlet 62 and a heat dissipation air outlet 63, so that heat dissipation of the charging device can be achieved.

With continued reference to fig. 4, the housing 60 meets the outdoor waterproof and dustproof requirements of IP55, while allowing easy opening of the interior for easy installation and removal of the controller 30. If need install the controller, directly open the door, the embedding is inside, has plugged input connector plug simultaneously, can regard as wall-hanging DC battery charging outfit to use.

It should be understood that in the present application, "at least one" means one or more, "a plurality" means two or more. "and/or" for describing an association relationship of associated objects, indicating that there may be three relationships, e.g., "a and/or B" may indicate: only A, only B and both A and B are present, wherein A and B may be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of single item(s) or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", wherein a, b, c may be single or plural.

The foregoing is merely a preferred embodiment of the present application and is not intended to limit the present application in any way. Although the present application has been described with reference to the preferred embodiments, it is not intended to limit the present application. Those skilled in the art can now make numerous possible variations and modifications to the disclosed embodiments, or modify equivalent embodiments, using the methods and techniques disclosed above, without departing from the scope of the claimed embodiments. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application still fall within the protection scope of the technical solution of the present application without departing from the content of the technical solution of the present application.

Claims

1. A charging device, comprising: a controller, a first wire harness and a second wire harness;

2. The charging device of claim 1, wherein the controller is configured to reduce the output power of the charging device below a preset power threshold when it is identified that the input of the controller is connected to the output of the first wire harness; and when the input end of the controller is connected with the output end of the second wire harness, increasing the output power of the charging equipment to the maximum output power.

3. The charging apparatus according to claim 1 or 2, wherein the output terminal of the first wire harness includes a first positive communication terminal and a first negative communication terminal, and the output terminal of the second wire harness includes a second positive communication terminal and a second negative communication terminal; the input end of the controller comprises a third positive communication end and a third negative communication end;

4. The charging apparatus according to claim 3, characterized in that the charging apparatus further comprises a charging gun;

5. The charging device of claim 4, further comprising a housing;

the shell is used for placing the controller.

6. The charging device of claim 5, wherein the housing comprises a harness mounting opening;

the wire harness mounting port is used for connecting the output end of the first wire harness or the output end of the second wire harness with the input end of the controller.

7. The charging device of claim 6, wherein the housing further comprises a heat sink air inlet and a heat sink air outlet.

8. The charging apparatus according to claim 1, wherein the input end of the first wire harness is a three-hole plug, and the input end of the second wire harness is a fixed terminal.

9. The charging apparatus according to claim 3, wherein the first resistor has a resistance of 220 ohms, the second resistor has a resistance of 680 ohms, the third resistor has a resistance of 100 ohms, and the predetermined voltage is 12 volts.

10. The charging apparatus of claim 2, wherein the preset power threshold is 2000 watts and the maximum output power is 7000 watts.