Assistance system and method for the positioning of an electric vehicle relative to a charging station, charging station and electric vehicle implementing said method

A system for assisting with positioning of an electric vehicle provided with energy storage means relative to a recharging station, the electric vehicle and the recharging station being arranged to form between them, a temporary electromechanical coupling, allowing a transfer of electrical energy from the recharging station to the storage means, the system comprising:

• means for detecting a positioning of said electric vehicle that is suitable for a temporary coupling, means for commanding a temporary electromechanical coupling and means for commanding a transfer of energy from said recharging station to the electric vehicle;
• means for transmitting a charging command to said recharging station;
• the implementation of said means for commanding a temporary electromechanical coupling and means for transferring energy being conditional on said detection of positioning;
• within said recharging station, means for detecting immobilization of said electric vehicle in a predetermined spatial position relative to said recharging station and transmitting an immobilization information;
• a device for supplying electrical energy equipped with first electromechanical coupling means and means for actuating said first coupling means, and the electric vehicle comprising a device for receiving electrical energy equipped with second electromechanical coupling means, said first and second means being arranged in order to be coupled in such a way as to obtain a transfer of electrical energy from said recharging station to the electric vehicle, said system also comprises means for receiving a charging command signal transmitted from said electric vehicle, and means for processing the immobilization information and said command signal thus received, so as to generate a connection command that is applied to said actuation means;
• means for receiving an end-of-charging information of the electric vehicle, means for receiving a driving command signal transmitted from said electric vehicle, and means for processing said driving command signal thus received, so as to generate a disconnection command that is applied to said actuation means;
• and
• means for detecting the end of travel of the first coupling means during disconnection, said detection of the end of travel authorizing driving of the electric vehicle.

A station for recharging an electric vehicle, the station comprising:

• a device for supplying electrical energy, equipped with first electromechanical coupling means and means for actuating said first coupling means, said electric vehicle comprising a device for receiving electrical energy equipped with second mechanical coupling means, said first and second coupling means being arranged so as to be capable of being coupled in such a way as to obtain a transfer of electrical energy from said recharging station to said electric vehicle;
• said recharging station also comprises means for detecting immobilization of said electric vehicle in a predetermined spatial position with respect to said recharging station;
• means for receiving a charging command signal transmitted from said electric vehicle;
• means for processing said charging command signal so as to control, subject to immobilization, the actuation means of the first coupling means until said first coupling means enter into connection with said second coupling means;
• and
• means for receiving an end of charging signal transmitted by transmission means within the electric vehicle, and means for processing said end of charging signal, so as to command the disconnection of the actuation means of the first coupling means until detection of an end of travel of said first coupling means transmitted by the end of travel detection means.

An electric vehicle provided to be recharged with electrical energy from a recharging station, the station comprising:

• a device for supplying electrical energy, equipped with first electromechanical coupling means and actuation means for actuating said first coupling means,
• a device for receiving electrical energy equipped with second mechanical coupling means, said first and second coupling means being configured to be coupled in such a way to transfer electrical energy from said recharging station to said electric vehicle,
• means for detecting immobilization of said electric vehicle in a predetermined spatial position relative to said recharging station;
• moveable means for detecting immobilization of said electric vehicle substantially in a predetermined spatial position with respect to said recharging station, said moveable means for detecting immobilization cooperating with static means for detecting immobilization connected to said recharging station so as to generate an immobilization information;
• means for transmitting a charging command to said charging station;
• means for receiving a charging command signal transmitted from said electric vehicle;
• means for processing said charging command signal so as to control, subject to immobilization, the actuation means of the first coupling means until said first coupling means enter into connection with said second coupling means;
• means for detecting an end of charging and generating an end of charging information;
• means for transmitting said end of charging information to said recharging station;
• means for receiving said end of charging signal transmitted by transmission means within the electric vehicle;
• means for processing said end of charging signal, so as to command the disconnection of the actuation means of the first coupling means until detection of an end of travel of said first coupling means transmitted by the end of travel detection means;
• and
• means for transmitting a driving command to said recharging station.