发明名称 |
Controller for domestic water heater using heat pump - has timer to ensure off-peak operation and has simulator circuit to delay use of auxiliary element until last possible moment |
摘要 |
<p>The arrangement uses a heat pump as the principal heat source and an electric resistance heater as an auxiliary heat source. A timer relay ensures that the heater is operative only during the times when off-peak electricity tariffs apply. The heat pump is controlled by a conventional thermostatic switch, and the auxiliary element is controlled by a delay circuit which delays the switching on to stagger the onset of the off-peak load on the supply system. The control circuit monitors the water temp. and generates a ramp function, simulating the heating time. This function is used to determine the moment of switch-on so that the water has just reached full temp. when the off-peak period finishes.</p> |
申请公布号 |
FR2519415(A1) |
申请公布日期 |
1983.07.08 |
申请号 |
FR19810024602 |
申请日期 |
1981.12.31 |
申请人 |
ELECTRICITE DE FRANCE |
发明人 |
JACQUES ODDOU, DIDIER RYS ET NOEL BAILLY |
分类号 |
F24D17/02;F24D19/10;F24H4/04;(IPC1-7):24H9/20;24J3/02;24H1/20 |
主分类号 |
F24D17/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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