JP2015119329A5 - - Google Patents

Claims (15)

  A plurality of current sensors that respectively detect currents flowing through a plurality of power consumption units to which power is supplied; and a control unit that estimates the plurality of power consumption units based on currents detected by the plurality of current sensors, respectively. A power management system characterized by that.   The power management system according to claim 1, further comprising: a power supply unit that supplies power to the power consumption unit, wherein the control unit is provided in the power supply unit.   A power supply and a connection relay unit including a plurality of sockets to which the plurality of power consumption units can be connected and a plurality of switches for controlling power supply to the sockets, respectively, and the current sensor and the control unit are The power management system according to claim 1, further comprising a connection relay unit. Wherein the control unit, the power management system according to any of claims 1 3, characterized in that for estimating the power consumption unit based on a change in current flowing to the power consuming unit. 5. The power management system according to claim 4 , wherein the control unit estimates the power consumption unit based on any one of a maximum current flowing in the power consumption unit, a current change width, a current change pattern, or a combination thereof. Wherein the control unit, the power management system according to any one of claims 1 to 5, characterized in that for estimating the power consumption unit based on the time element of the current flowing to the power consuming unit. The power management system according to claim 6 , wherein the control unit estimates the power consumption unit based on one of a current consumption time zone and a current consumption frequency by the power consumption unit, or a combination thereof.   A power supply unit comprising a control unit that estimates the plurality of power consumption units based on currents flowing through the plurality of power consumption units to be supplied with power. Wherein the control unit, according to claim 8, wherein the estimating the plurality of power consuming unit based on the detection result of the current transmitted a current flowing through the plurality of power consuming unit from an external current sensor for detecting respectively Power supply unit. The power supply unit according to claim 9 , wherein the control unit includes a storage unit that stores a history of a change in current transmitted from the current sensor.   A plurality of sockets connectable to the power supply unit and to which a plurality of power consumption units can be connected, a plurality of switches for controlling power supply to the sockets, and a plurality of power consumption units connected to the sockets A plurality of current sensors that respectively detect currents flowing through the socket, and a control unit that estimates the plurality of power consumption units connected to the sockets based on currents detected by the plurality of current sensors, respectively. Connection relay section. Claim 11, characterized in that transmits the current detected respectively by said plurality of current sensors to the power supply unit, a communication unit for receiving a control signal for controlling the plurality of switches from the power supply unit The connection relay section described. 13. The connection relay unit according to claim 12, wherein even if the control signal is received from the power supply unit, the switch corresponding to the socket to which the unestimated power consumption unit is connected is not controlled. Connecting the relay unit according to claim 12 or 13, wherein transmitting the current detected by the current sensor to the power supply unit also the power consumption of the non-estimation. Wherein the control unit, the connection relay unit according to any one of claims 12 to 14, characterized in that it comprises a storage unit for storing a history of the current change detected respectively by the plurality of current sensors.