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    • 15. 发明授权
    • Household electrical appliance
    • 家用电器
    • US08593292B2
    • 2013-11-26
    • US13518522
    • 2010-12-24
    • Satoshi Tsujimura
    • Satoshi Tsujimura
    • G08B21/00G05D17/00
    • G01D4/002G06Q30/04G06Q50/06Y02B70/3266Y02B90/241Y02B90/248Y04S20/242Y04S20/32Y04S20/46Y04S20/52Y04S50/12
    • Herein disclosed is a household electrical appliance easily to know whether electricity rates are high or low when using the household electrical appliance, even in the variable rate system. The household electrical appliance includes, a receiving unit that receives information of electricity rates which are changed based on power generation capacity and power consumption amount and charged for power consumption as instantaneous electricity rate information; an electricity rate information accumulating unit that accumulates the received instantaneous electricity rate information; a determination unit that outputs a result obtained by statistically calculating a plurality of the accumulated instantaneous electricity rate information items as reference electricity rate information, and compares the latest received instantaneous electricity rate information with the output reference electricity rate information; and a numerical value display unit that notifies whether the latest instantaneous electricity rate information is higher than the reference electricity rate information.
    • 这里公开的是即使在可变速率系统中也可以容易地知道使用家用电器时电费是高还是低的家用电器。 家用电器包括:接收单元,其接收基于发电量和功率消耗量而变化并且作为瞬时电费信息而被充电的电费信息; 电力信息累积单元,累积接收到的瞬时电力信息; 输出通过统计计算多个累积瞬时电力信息项作为参考电费信息获得的结果,并将最新接收到的瞬时电率信息与输出参考电费信息进行比较的确定单元; 以及数值显示单元,其通知最新的瞬时电力信息是否高于参考电力信息。