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

• Main Authors: WANG DAOHONG, BAO YANJIE, DING KAI, WANG SHUXIAO
• Format: Patent
• Language: Chinese; English
• Published: 04.07.2012
• Subjects: CHECKING-DEVICES; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; COIN-FREED OR LIKE APPARATUS; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES; ELECTRICITY; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL; GENERATION; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; PERFORMING OPERATIONS; PHYSICS; SYSTEMS FOR STORING ELECTRIC ENERGY; TRANSPORTING; VEHICLES IN GENERAL

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 discl