Charging system for electric vehicle and vehicular charging method of electric vehicle

Abstract

The invention discloses a charging system for an electric vehicle, and the charging system comprises a charging device and a paying device arranged on the electric vehicle. The charging device is used for receiving the charge information of the paying device and the residual electric quantity information of a whole-vehicle control unit of the electric vehicle, judging whether to be necessary to charge the electric vehicle or not, connecting a vehicular charging unit into an electric network to carry out charge when a judgment result is yes, obtaining a charge electric quantity value to the vehicular charging unit, calculating to obtain a charge sum, feeding the charge sum back to a central server, and disconnecting the connection between the vehicular charging unit and the electric network when the judgment result is no, and the paying device is used for sending the corresponding charge information to the charging device according to the account balance information of the electric vehicle. The invention discloses a vehicular charging method of the electric vehicle. By adopting the embodiment, a user can complete electric change settlement on a car, and the mounting cost and the mounting space of a charging facility further can be saved while the user is convenient in use.

Description

technical field [0001] The invention relates to the technical field of electric vehicles, in particular to a charging system for electric vehicles and a vehicle-mounted charging method for electric vehicles. Background technique [0002] An electric vehicle refers to a vehicle that is powered by an on-board power supply and uses a motor to drive the wheels. Compared with traditional cars, electric vehicles have no internal combustion engine and do not produce exhaust pollution during operation, which is very beneficial to environmental protection and air cleanliness, and is almost "zero pollution"; at the same time, the noise of electric vehicles is also very small. As a result, the prospect of electric vehicles is widely optimistic and is developing rapidly. [0003] However, the development of electric vehicles must be accompanied by a large number of charging facilities. Nowadays, charging facilities for electric vehicles generally refer to charging stations equipped wi...

AI Technical Summary

Problems solved by technology

The owner needs to get off the car to operate the charging pile, and settle the electricity bill by swiping the card or inserting coins; at the same time, the existing charging piles need to occupy a certain installation space, and the installation and land occupation costs are very high, making the grid company The high cost of laying charging facilities slows down the development of charging facilities, thereby limiting the development of electric vehicles

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