METHOD FOR MONITORING AND OPTIMISING THE OPERATION OF A CHARGING TERMINAL FOR AN ELECTRIC VEHICLE AND CHARGING TERMINAL FOR IMPLEMENTING SAID METHOD
1 Assignment
0 Petitions
Accused Products
Abstract
A method for monitoring and optimizing operation of a terminal, including: generating an output voltage equal to a first DC value; connecting a vehicle, the output voltage switching to a second value; authorizing charging of the vehicle by modulating the output voltage between two values, with a maximum authorized charge current being set; checking an ability of the vehicle to be recharged by monitoring a value of the output voltage; supplying an output voltage modulated between a third voltage value and a negative value; initializing a first timer; reading a diagnosis time between initialization and the switching of the voltage from the second to the third value; comparing the time with standard values to determine a type of charger; taking characteristics of the charger into account to optimize energy management.
-
Citations
20 Claims
-
1-10. -10. (canceled)
-
11. A method for monitoring and optimizing operation of a charging terminal of an electric vehicle, the terminal including connection means configured to be connected to a vehicle for electric charging and to dialogue by a signal transmitted via a wire, the method comprising:
-
generating an output voltage equal to a first DC voltage value; connecting an electric vehicle to the charging terminal, the output voltage switching from the first DC voltage value to a second DC voltage value; checking an ability of the terminal to perform charging; authorizing charging of the electric vehicle by modulating the output voltage between a positive value equal to the second voltage value and a negative value equal to opposite of the first voltage value, the modulation is of PWM type having a duty ratio fixed according to a maximum authorized charge current; checking an ability of the electric vehicle to be recharged by monitoring a positive value of the modulated output voltage, the positive value of the output voltage switching from the second voltage value to a third voltage value when the vehicle is able to be recharged; supplying a charge voltage to the vehicle by modulating the output voltage between a positive value equal to the third voltage value and a negative value equal to the opposite of the first voltage value, the duty ratio of the modulation enabling the maximum charge current to be set to a first value; initializing a first timer concomitantly with authorization of charging of the vehicle; reading a first elapsed diagnosis time between; initialization of the first timer, and switching of the output voltage from the second voltage value to the third voltage value; comparing a value of the first diagnosis time with standard values recorded in a database; determining a type of charger of the electric vehicle according to a comparative state between the first diagnosis time and the standard values; and taking characteristics of the charger of the identified electric vehicle into account to locally optimize energy management. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
-
Specification