HOT WATER SYSTEM
PROBLEM TO BE SOLVED: To provide a hot water system capable of reducing an electricity rate to be charged even in the case that an electricity rate system is diversified.SOLUTION: A hot water system 3 calculates a correlation relationship between a time necessary for boiling-up and an electricity ra...
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| Format: | Patent |
| Sprache: | eng ; jpn |
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| Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a hot water system capable of reducing an electricity rate to be charged even in the case that an electricity rate system is diversified.SOLUTION: A hot water system 3 calculates a correlation relationship between a time necessary for boiling-up and an electricity rate to be charged by multiplying power consumption necessary to boil up hot water to be stored in a hot water storage tank 5 by an electricity rate unit price specified by electricity rate information on the basis of the operation efficiency of a heat pump type heating device 4 stored in advance, heat quantity to boil up the hot water to be stored in the hot water storage tank 5, and the electricity rate information for charging the power to drive the heat pump type heating device 4, and determines an operation condition of the heat pump type heating device 4 on the basis of this calculation result.SELECTED DRAWING: Figure 1
【課題】電気料金体系が多様化した場合であっても、課金される電気料金を低減することができる給湯システムを提供する。【解決手段】給湯システム３は、予め記憶しているヒートポンプ式加熱装置４の運転効率と、貯湯タンク５に貯める湯を沸き上げるのに必要な熱量と、ヒートポンプ式加熱装置４を駆動する電力に課金される電気料金情報とに基づいて、貯湯タンク５に貯める湯を沸き上げるのに必要な消費電力量と、電気料金情報によって特定される電気料金単価とを乗算することで沸き上げに必要な時間と課金される電気料金の相関関係を算出し、この算出結果に基づいて、ヒートポンプ式加熱装置４の運転条件を決定する。【選択図】図１ |
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