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专利名称：Heat pump water heater发明人：大矢 直弘申请号：JP2017231986申请日：20171201公开号：JP2019100620A公开日：20190624
专利附图：
摘要：Problem to be solved: to provide a heat pump type hot water supply devicecapable of suppressing the deterioration of energy efficiency in supplying hot waterstored in the hot water storage tank to the hot water supply while heating the hot waterin the heat pump apparatus. The heat pump water heater 1 comprises a heat pump
device 10, a hot water supply circuit 30, a water inlet temperature sensor 121, a hot watersupply control unit 110, and a heat pump control unit 120.The hot water supply pump 38of the hot-water supply circuit 30 increases the flow rate of hot water flowing throughthe HP piping 36 with the increase in the heating capacity of the heat pump device 10 inthe range where the flow rate of hot water flowing through the HP pipe 36 becomeslower than the predetermined HP upper limit flow rate It is configured so as to make itpossible.The heat pump control unit 120 calculates the temperature of the hot waterwhen the flow rate of the hot water flowing through the HP piping flows from the waterinlet temperature, the target heating ability and the estimated upper limit flow to theupper limit of the HP upper limit as the lower limit boiling temperature.The heat pumpcontrol unit 120 sets a target boiling temperature in a range of a temperature lower thanthe lower limit boiling temperature.Diagram
申请人：株式会社デンソー
地址：愛知県刈谷市昭和町１丁目１番地
国籍：JP
代理人：特許業務法人ゆうあい特許事務所
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