METHOD AND DEVICE FOR COMMUNICATION BETWEEN AN ELECTRIC VEHICLE AND A CHARGING STATION
First Claim
Patent Images
1. A method for communication with an electric vehicle, comprising:
- generating of a first predetermined DC voltage level on a pilot conductor,recognition of the existence of an electrical connection to an electric vehicle by means of the detection of a second predetermined DC voltage level on the pilot conductor,sending out of a trigger signal on the pilot conductor,detection of a vehicle identification signal on the pilot conductor andapproval of the electricity supply on a power conductor.
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Abstract
A method is described for communication with an electric vehicle, comprising a generating of a first predetermined DC voltage level on a pilot conductor, a recognition of the existence of an electrical connection to an electric vehicle by means of the detection of a second predetermined DC voltage level on the pilot conductor, a sending out of a trigger signal on the pilot conductor, a detection of a vehicle identification signal on the pilot conductor and an approval of the electricity supply on a power conductor.
46 Citations
20 Claims
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1. A method for communication with an electric vehicle, comprising:
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generating of a first predetermined DC voltage level on a pilot conductor, recognition of the existence of an electrical connection to an electric vehicle by means of the detection of a second predetermined DC voltage level on the pilot conductor, sending out of a trigger signal on the pilot conductor, detection of a vehicle identification signal on the pilot conductor and approval of the electricity supply on a power conductor. - View Dependent Claims (3)
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2. A method for communication with a charging station for an electric vehicle, comprising:
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generating of a first predetermined DC voltage level on a pilot conductor, recognition of the existence of an electrical connection to the electric vehicle by means of the detection of a second predetermined DC voltage level on the pilot conductor, sending out of a trigger signal on the pilot conductor, detection of a trigger signal on the pilot conductor, sending out of a vehicle identification signal on the pilot conductor, detection of the vehicle identification signal on the pilot conductor, approval of the electricity supply on a power conductor and receiving of a charging current on the power conductor.
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4. A device for communication with an electric vehicle, comprising:
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voltage generation means for the generating of a first predetermined DC voltage level on a pilot conductor, detector means for the recognition of the existence of an electrical connection to an electric vehicle by means of the detection of a second predetermined DC voltage level on the pilot conductor, signal generation means for the sending out of a trigger signal on the pilot conductor, and sensor means for the detection of a vehicle identification signal on the pilot conductor and switch means for the approval of the electricity supply on a power conductor. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11, 12)
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13. A device for communication with a charging station for an electric vehicle, comprising:
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voltage divider means for the generating of a first predetermined DC voltage level on a pilot conductor during the applying of a second predetermined DC voltage level on the pilot conductor, sensor means for the detection of a trigger signal on the pilot conductor, signal generation means for the sending out of a vehicle identification signal on the pilot conductor and charge acceptance means for the acceptance of a charging current on a power conductor.
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14. A system for communication between an electric vehicle and a charging station, comprising:
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voltage generation means for the generating of a first predetermined DC voltage level on a pilot conductor, voltage divider means for generating a second predetermined DC voltage level on the pilot conductor during the applying of the first predetermined DC voltage level on the pilot conductor, detector means for the recognition of the existence of an electrical connection between the charging station and the electric vehicle by means of the detection of the second predetermined DC voltage level on the pilot conductor, first signal generation means for the sending out of a trigger signal on the pilot conductor, sensor means for the detection of a trigger signal on the pilot conductor, second signal generation means for sending out a vehicle identification signal on the pilot conductor, sensor means for detecting a vehicle identification signal on the pilot conductor, switch means for the approval of the electricity supply on a power conductor and charge acceptance means for accepting a charging current on a power conductor.
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15. A vehicle identification signal for communication between an electric vehicle and a charging station, which vehicle identification signal is a pulse-width modulated bipolar signal and comprises:
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information about a position in a cryptographic key, a vehicle identifier which was encrypted in a manner at least partially determined by means of the position in the cryptographic key and at least partially determined by means of the cryptographic key, and information about a cyclic redundancy check of the vehicle identification signal. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification