| 摘要 |
PROBLEM TO BE SOLVED: To obtain a power monitor device capable of previously informing a user about consuming power at the pace of exceeding warning power consumption.SOLUTION: A power monitor device includes: a power amount measuring portion 11 for measuring power consumption in an external system wiring; a data storing portion 12 for storing data of the power consumption measured by the power amount measuring portion 11; an operation portion 13 for calculating the mean value in the past of accumulated power consumption until a predetermined time in a day based on the power consumption stored in the data storing portion 12 and determining that it is necessary to display warning when the accumulated power consumption until a predetermined time on that day in a predetermined time is larger than the intermediate target power consumption by periodically comparing the intermediate target power consumption calculated based on the mean value in the past of the accumulated power consumption until a calculated predetermined time and the accumulated power consumption until a predetermined time on that day; and a display portion 15 for performing a warning display when the operation portion 13 determines that the warning display is necessary. |
