Heat-pump type heating apparatus
A heating device, heat pump technology, applied in the direction of heat pump, heating method, household heating, etc.
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no. 1 example
[0033] figure 1 It is a structural diagram of the main part of the heat pump type heater using the present invention. The heat pump heating device is composed of a heat pump refrigerant circuit 1 , a heating circuit 3 and an operation control unit 5 . The heat source unit 10 includes a part of the heat pump refrigerant circuit 1 and the heating circuit 3 and an operation control circuit 101 . The fluid circulating in the heating circuit 3 can be hot water without any additives, or hot water mixed with additives such as antifreeze or preservatives. Hereinafter, these will be described as hot water and salt water.
[0034] The heat pump refrigerant circuit 1 is composed of a closed circuit in which a compressor 11, a water-refrigerant heat exchanger 14, a decompression device 17, and an evaporator 20 are sequentially connected by refrigerant piping, and refrigerant is charged. The compressor 11 has a structure capable of capacity control, and whose rotation speed can be cont...
no. 2 example
[0054] figure 2 It is a block diagram showing a main part of the heat pump type hot water heater according to the second embodiment. The difference between this embodiment and the first embodiment is that there is no room temperature sensor 52, instead, a room temperature input unit 110 is provided on the remote controller 105a.
[0055] When the room is heated by the heat pump hot water heater and the room temperature is substantially constant, the room temperature at that time is input to the remote controller 105a. The control circuit 101 calculates the temperature efficiency ε from the input room temperature Tr, the fluid inlet temperature Tin and the fluid outlet temperature Tout of the underfloor heating panel of the temperature sensors 50, 51, and controls the circulation amount of the circulation pump 41 so that this value is a target value .
[0056] Therefore, as in the first embodiment, since the amount of hot water circulation to the underfloor heating panels su...
no. 3 example
[0060] image 3 It is a block diagram showing a main part of the heat pump type hot water heater according to the third embodiment. The difference between this embodiment and the first and second embodiments is that a flow sensor 55 is provided in the hot water heating circuit 3 .
[0061] The control circuit 101 controls the circulation pump 41 so that the value of the flow sensor 55 becomes a predetermined hot water circulation amount. For the prescribed amount of hot water circulation, input the value of the underfloor heating panel that is suitable for installation from the remote controller 105 .
[0062] Therefore, since the amount of hot water circulation to the underfloor heating panels suitable for installation can be controlled, it can be operated efficiently.
[0063] In addition, compared with the first and second embodiments, since the amount of hot water circulation is directly controlled, it is possible to adjust the amount of hot water circulation with higher...
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