Mode three-charging system integrating V2 home functions and charging method thereofThe technical field is as follows:
the invention relates to a mode three-charging system integrating V2 home functions and a charging method thereof, and belongs to the technical field of charging and discharging of pure electric vehicles.
Background art:
with the rapid development of new energy vehicles, the electric vehicle technology is mature today, and the functions of the electric vehicle are more and more perfect. Long-endurance electric vehicles can match large-capacity power batteries (the battery capacity is mostly 70-100 degrees), and most individual users can install private wall-mounted charging piles. The charging is more flexible, the cost is lower, but the civil electricity has electricity utilization wave crests and wave troughs and the power failure phenomenon can occur to the civil electricity. Therefore, 220V alternating current is provided for families to use by utilizing the inversion function of the electric automobile. However, any alternating current needs to meet the requirements of the power grid when being incorporated into the power grid, and the alternating current inverted by the vehicle does not meet the requirements. Therefore, when the electric vehicle is used, the household line needs to be disconnected from the power grid, and the household line and the inverter circuit of the electric vehicle form a power utilization network. The invention provides a mode three-charging method integrating V2 home functions.
The invention content is as follows:
the present invention provides a mode three-charging system integrated with V2 home functions and a charging method thereof to solve the problems of the prior art, wherein the charging pile has a conventional mode three-charging function.
The invention adopts the following technical scheme: a mode three-charging system integrating V2 home functions comprises an AC charging pile, a 220V voltage of a power grid electrically connected with the AC charging pile, a 220V voltage of a household electrically connected with the AC charging pile and a vehicle slow charging port electrically connected with the AC charging pile, wherein the AC charging pile comprises a live wire L and a zero wire N, the live wire L is connected with a first charging pile charging relay JD1 and a third charging pile charging relay JD3, the zero wire N is connected with a second charging pile charging relay JD2 and a fourth charging pile charging relay JD4, the third charging pile charging relay JD3 comprises a pin, a1 pin, 30 pin, a first control pin and a second control pin, the fourth charging pile JD4 comprises b pin, b1 pin, 31 pin, a third control angle and a fourth control angle, the third charging relay JD3 and the fourth relay JD4 are electrically connected with a charging pile switch S3, switch S3 includes a pin C and a pin C1.
The invention also adopts the following technical scheme: a charging method of a mode three-charging system integrating V2 home functions comprises the following steps:
in the charging mode: in the charging mode, the switch S3 is switched on to switch on the pin C, the charging pile CP is in signal conduction with the vehicle CP, at the moment, the third charging pile charging relay JD3 and the fourth charging pile relay JD4 have no control signals, thepin 30 of the third charging pile charging relay JD3 is switched on to the pin a, the pin 31 of the fourth charging pile relay JD4 is switched on to the pin b, and at the moment, the power grid 220V supplies power to household 220V electric appliances through the third charging pile charging relay JD3 and the fourth charging pile relay JD 4; in addition, after the charging pile CP and the vehicle CP are communicated, the charging pile controls the first charging pile charging relay JD1 and the second charging pile charging relay JD2 to be closed, and at the moment, the 220V power grid charges the vehicle through the first charging pile charging relay JD1 and the second charging pile charging relay JD 2;
a discharging mode: the S3 switch is dialed to the discharging mode, at the moment, the signal end of the vehicle CP of the switch c1 pin of the S3 is connected with the control ends of the third charging pile charging relay JD3 and the fourth charging pile relay JD4, the vehicle CP can send out 12V high level after the vehicle is set to be discharged, at the moment, the third charging pile charging relay JD3 and the fourth charging pile relay JD4 act, thepin 30 of the third charging pile charging relay JD3 is connected with the pin a1, the pin 31 of the fourth charging pile relay JD4 is connected with the pin b1, a loop of a power grid 220V and a loop of a family 220V are disconnected, the loop of a slow charging opening of the vehicle is connected, and at the moment, 220V alternating current inverted by the vehicle can supply power to.
The invention has the following beneficial effects:
(1): the charging pile has a traditional mode three-charging function;
(2): the vehicle can provide 220V alternating current for a family through the charging pile;
(3): the charging pile can realize free switching of charging and discharging modes;
(4): the V2 home function may be isolated from the grid.
Description of the drawings:
fig. 1 is a schematic diagram of a mode three charging system integrating V2 home functions according to the present invention.
The specific implementation mode is as follows:
the invention will be further described with reference to the accompanying drawings.
The invention discloses a mode three-charging system integrating V2 household functions, which comprises an alternating current charging pile, a 220V voltage of a power grid electrically connected with the alternating current charging pile, a 220V voltage of a household electrically connected with the alternating current charging pile and a vehicle slow charging port electrically connected with the alternating current charging pile, wherein the alternating current charging pile comprises a live wire L and a zero wire N, the live wire L is connected with a first charging pile charging relay JD1 and a third charging pile charging relay JD3, and the zero wire N is connected with a second charging pile charging relay JD2 and a fourth charging pile charging relay JD 4. The third charging pile charging relay JD3 includes a pin a, a1 pin, 30 pin, first control pin 85 andsecond control pin 86, and a diode is connected in series between the first control pin 85 and thesecond control pin 86. The fourth charging pile relay JD4 includes a pin b, a pin b1, a pin 31, a third control angle 87, and a fourth control angle 88, and a diode is also connected in series between the third control angle 87 and the fourth control angle 88. The third charging pile charging relay JD3 and the fourth charging pile relay JD4 are both electrically connected to a switch S3, and the switch S3 includes a pin C and a pin C1.
The invention discloses a mode three-charging method integrating V2 home functions, which comprises the following steps:
in the charging mode: the switch of S3 switch-on C foot under the mode of charging, fill electric pile CP and vehicle CP signal conduction this moment, and at this moment, third fills electric pile charging relay JD3 and fourth and fills electric pile relay JD4 because of not having control signal, and the 30 feet of third fills electric pile charging relay JD3 switch-on a foot this moment, and the 31 feet of fourth fills electric pile relay JD4 switch-on b foot. At this time, the power grid 220V may supply power to the household 220V appliance through the third charging pile charging relay JD3 and the fourth charging pile relay JD 4. In addition, fill electric pile CP and vehicle CP after the communication, fill electric pile control first fill electric pile charging relay JD1 and second and fill electric pile charging relay JD2 closed, and at this moment, electric wire netting 220V charges to the vehicle through first fill electric pile charging relay JD1 and second fill electric pile charging relay JD 2.
A discharging mode: the S3 switch is dialed to the discharging mode, at the moment, the signal end of the vehicle CP of the switch c1 pin of the S3 is connected with the control ends of the third charging pile charging relay JD3 and the fourth charging pile relay JD4, the vehicle CP can send out 12V high level after the vehicle is set to be discharged, at the moment, the third charging pile charging relay JD3 and the fourth charging pile relay JD4 act, thepin 30 of the third charging pile charging relay JD3 is connected with the pin a1, the pin 31 of the fourth charging pile relay JD4 is connected with the pin b1, a loop of a power grid 220V and a loop of a family 220V are disconnected, the loop of a slow charging opening of the vehicle is connected, and at the moment, 220V alternating current inverted by the vehicle can supply power to.
The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the invention and these modifications should also be considered as the protection scope of the invention.