Floor heating system employing heat pump for supplying hot water

A heating system and hot water technology, which is applied to heating systems, heating methods, lighting and heating equipment, etc., can solve the problems of detachment or imbalance of the compression mechanism, low operating efficiency, and reduced reliability, so as to reduce refrigerant compression. load, improve operating efficiency, and improve reliability

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A heating system and hot water technology, which is applied to heating systems, heating methods, lighting and heating equipment, etc., can solve the problems of detachment or imbalance of the compression mechanism, low operating efficiency, and reduced reliability, so as to reduce refrigerant compression. load, improve operating efficiency, and improve reliability

CN1912476AInactive Publication Date: 2007-02-14HITACHI APPLIANCES INC +1

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Embodiment 1

[0034] Below, according to Figure 1- Figure 6 A first embodiment of the present invention will be described.

[0035] In FIG. 1, the structure of the heat pump hot water supply type floor heating system has: a heat source circuit 40 composed of two heat pump refrigerant circuits of the floor heating side refrigerant circuit 41 and the bath water side refrigerant circuit 42, supplying hot water The circuit 45 includes the floor heating heat exchanger 8 and the operation control device 55 as components of the floor heating circuit 50 .

[0036] The heat source circuit 40, the hot water supply circuit 45, and the floor heating heat exchanger 8 are integrally accommodated in the same box, and the operation control device 55 is composed of a separate kitchen remote control 56 and bath water remote control 57.

[0037] In addition, the floor heating devices 31 and 32 as the constituent parts of the above-mentioned floor heating circuit 50 are installed separately from the heat pum...

Embodiment 2

[0093] Next, a second embodiment of the present invention will be described with reference to FIG. 7 .

[0094] In Fig. 7, parts different from Fig. 1 have the following three: the heating water pipe 37a as the heating side of the bath water heat exchanger 37, the heating water switch valve 35 and the heating water switch valve 35 for switching the heating water flowing to the above-mentioned heating water pipe 37a. The flow sensor 36 for heat exchange detects the flow rate of the heat exchanger 3 for supplying hot water.

[0095] In Fig. 7, the difference from the first embodiment described in Fig. 1 is that the refrigerant pipe 7a for bath water used as the heating side of the heat exchanger 7 for bath water is replaced with a heating water pipe 37a; The water pipe 37a is used to pass the hot water flowing in from the water supply side heat transfer pipes 3c and 3d heated by the hot water supply heat exchanger 3 through the heating water switch valve 35 .

[0096] In additi...

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Abstract

The problem to be solved in the invention is that, although a direct hot-water supply type is being considered in order to reduce size and weight in a heat pump hot-water supply floor heating device having a floor heating function at the same time, the difference between necessary heating capability in a hot-water supply operation and that in a floor heating operation is large, it can not be handled by conventional control of the number of revolutions of a compressor, and, in particular, separation, loss of synchronism, noise and the like of a compression mechanism part are generated in a low-speed operation in the floor heating operation. This heat pump hot-water supply floor heating device of the invention is solved the conventional problem by executing a heat pump operation in using hot water, by adding a floor heating function to a direct hot-water supply type heat pump water heater for directly supplying heating water to a used terminal, and by skillfully using control of the number of revolutions and capacity control as a control method of a compressor in response to a situation.

Description

technical field [0001] The present invention relates to a heat pump supplying hot water floor heating system, especially to provide a compressor capable of expanding the variation range of the capacity of the compressor, which can correspondingly realize the operation from supplying hot water with a large capacity to a small capacity operation with high operating efficiency. A heat pump running underfloor heating supplies a hot water underfloor heating system. Background technique [0002] In recent years, along with the popularity of heat pumps supplying water heaters, technical solutions with floor heating functions have been proposed. [0003] As such a heat pump water heater, there is, for example, one disclosed in Patent Document 1 - Japanese Patent Application Laid-Open No. 2003-247753. This type of machine performs heat pump operation in advance at night when electricity bills are cheap, boils hot water and stores it in a hot water storage tank, uses the hot water st...

Claims

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Application Information

Patent Timeline

14 Feb 2007

Publication

CN1912476A

IPC: F24D15/04

CPC: Y02B30/12; Y02B30/123

Inventors: 店纲太一; 权守仁彦