Discharging control system of vehicle, discharging connector, vehicle, and discharging control method of vehicle

Abstract

A discharging control system of a vehicle that supplies power to a load device outside the vehicle via a power cable, includes a connection signal line, a detector, and a controller. The connection signal line is configured such that a potential thereof changes in response to a discharging connector provided on the power cable being connected to the vehicle. The detector is configured to detect the potential of the connection signal line. The controller is configured to control a physical quantity related to the power supplied from the vehicle to the load device, based on the potential detected by the detector.

What is claimed is: 
     
         1 . A discharging control system for a vehicle that supplies power to a load device outside the vehicle via a power cable, the discharging control system comprising:
 a connection signal line configured such that a potential of the connection signal line changes in response to a discharging connector provided on the power cable being connected to the vehicle;   a detector configured to detect the potential of the connection signal line;   a controller configured to control a physical quantity related to the power supplied from the vehicle to the load device, based on the potential detected by the detector; and   a circuit, wherein   the discharging connector includes a connecting portion that connects the power cable to the vehicle; and   the connecting portion has a shape according to at least one of a required voltage and a maximum current value of the load,   the circuit changes the potential of the connection signal line according to the shape of the connecting portion.   
     
     
         2 . The discharging control system according to  claim 1 , wherein
 the circuit includes a variable resistor that is connected to the connection signal line, and in which a resistance value changes according to the shape of the connecting portion.   
     
     
         3 . The discharging control system according to  claim 1 , wherein
 the connecting portion has a concavo-convex portion; and   at least one of a size and a position of the concavo-convex portion is set according to the physical quantity.   
     
     
         4 . A discharging connector provided on a power cable that is provided on a vehicle that supplies power to a load device outside the vehicle, and that supplies power from the vehicle to the load device, wherein
 the vehicle includes a connection signal line in which a potential changes in response to the discharging connector being connected to the vehicle,   the discharging connector comprising:   a connecting portion that connects the power cable to the vehicle; and   a setting portion that sets the potential of the connection signal line according to at least one of a required voltage and a maximum current value of the load, when the power cable is connected to the vehicle by the connecting portion.   
     
     
         5 . The discharging connector according to  claim 4 , wherein
 the setting portion includes a circuit that is connected to the connection signal line; and   the circuit includes a resistor that sets the potential of the connection signal line according to at least one of the required voltage and the maximum current value of the load.   
     
     
         6 . The discharging connector according to  claim 4 , wherein
 the setting portion includes a first circuit that is connected to the connection signal line;   and   the first circuit includes a resistor that sets the potential of the connection signal line according to one of the required voltage and the maximum current, and an oscillating circuit that changes the potential of the connection signal line by an amplitude according to the other of the required voltage and the maximum current.   
     
     
         7 . The discharging connector according to  claim 4 , further comprising:
 an input portion with which a user sets at least one of the required voltage and the maximum current value of the load, wherein   the setting portion operates the potential of the connection signal line according to an output from the input portion.   
     
     
         8 . The discharging connector according to  claim 4 , wherein
 the connecting portion has a shape according to at least one of the required voltage and the maximum current value of the load; and   the vehicle includes a circuit that changes the potential of the connection signal line according to the shape of the setting portion.   
     
     
         9 . The discharging connector according to  claim 8 , wherein
 the circuit includes a variable resistor that is connected to the connection signal line, and in which a resistance value changes according to the shape of the setting portion.   
     
     
         10 . The discharging connector according to  claim 8 , wherein
 the connecting portion has a concavo-convex portion; and   at least one of a size and a position of the concavo-convex portion is set according to at least one of the required voltage and the maximum current value of the load.   
     
     
         11 . A discharging control method for a vehicle that supplies power to a load device outside the vehicle via a power cable, the vehicle including a discharging connector, a detector and a controller, the discharging connector being provided on the power cable, the discharging control method comprising:
 setting, by the discharging connector, a potential of a connection signal line according to at least one of a required voltage and a maximum current value of the load;   detecting, by the detector, the potential of the connection signal line in which the potential changes in response to the discharging connector, and   controlling, by the controller, a physical quantity related to the power supplied from the vehicle to the load device, based on the detected potential.   
     
     
         12 . The discharging control method according to  claim 11 , wherein
 the vehicle further includes a determining device,   the discharging control method further comprising:   determining, by the determining device, that the discharging connector is connected to the vehicle, when the detected potential is within a predetermined range; and   controlling, by the controller, at least one of the required voltage and the maximum current value based on the detected potential, when the determining device determines that the discharging connector is connected to the vehicle.