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Hot water storage-type hot water supply system and method for operating same

A hot water supply and hot water technology, applied in the field of efficiency improvement control, can solve the problems of heat pump side efficiency reduction, etc., to achieve the effect of improving efficiency

Inactive Publication Date: 2012-07-04
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the above structure, although the charging and discharging efficiency of the secondary battery is improved, the efficiency of the heat pump side is lowered accordingly.
[0005] Also, in the structure described in Patent Document 2, although the efficiency of the secondary battery is improved, the efficiency of the heat pump side is lowered.

Method used

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  • Hot water storage-type hot water supply system and method for operating same
  • Hot water storage-type hot water supply system and method for operating same
  • Hot water storage-type hot water supply system and method for operating same

Examples

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Embodiment Construction

[0020] refer to figure 1 The basic configuration of the hot water storage type hot water supply system according to the embodiment of the present invention will be described. figure 1 It is a schematic diagram of the hot water storage type hot water supply system of this embodiment.

[0021] This hot water storage type hot water supply system includes a heat pump cycle 1, a water storage tank 2, a secondary battery 3 as a power storage unit, a water circulation path 4, a first path 5, a second path 6, a first heat exchanger 7, a second Two heat exchangers 8 and a control unit 9 .

[0022] The heat pump cycle 1 has an evaporator 12 , a compressor 11 , a heat radiator 12 , an expansion valve 13 , and piping 14 connecting them sequentially. A working medium (first refrigerant, not shown) is sealed in the piping 14 . As the working medium, for example, water, hydrocarbons, ammonia, hydrochlorofluorocarbons and the like can be used.

[0023] The water in the water storage tank ...

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Abstract

Disclosed is a hot water storage-type hot water supply system having a battery unit, a heat pump cycle, a water storage tank, a water circulation path, a first path, a second path, a first temperature detection unit, a second temperature detection unit, and a control unit. The heat pump cycle circulates a first refrigerant. The first path and the second path circulate a second refrigerant. The first temperature detection unit detects the temperature of the battery unit. The second temperature detection unit detects the temperature of water stored in the water storage tank. The control unit causes the second refrigerant to pass through the first path when the temperature of the battery unit, detected by the first temperature detection unit is higher than a first predetermined temperature. The control unit causes the second refrigerant to pass through the second path when the temperature of the battery unit, detected by the first temperature detection unit is lower than a second predetermined temperature. The control unit closes the first path and the second path when the temperature of the battery unit, detected by the first temperature detection unit is the second predetermined temperature or more and the first predetermined temperature or less.

Description

technical field [0001] The present invention relates to a hot water storage type hot water supply system and an operating method thereof, and in particular to control for improving the charging and discharging efficiency of an electric storage unit and the efficiency of a combined system. Background technique [0002] Conventionally, many systems utilizing a heat pump cycle and a secondary battery for charging and discharging system power have been announced. Here, it is known that the charge and discharge characteristics of a secondary battery are generally largely influenced by the temperature of the secondary battery itself. Then, in order to adjust the secondary battery to an appropriate temperature, a system using heat generated by a heat pump is disclosed (for example, Patent Document 1). [0003] In addition, a structure is disclosed in which, in a system having a heat pump cycle with a water storage tank and a secondary battery, when the temperature of the secondary...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H1/00F24H1/18H01M8/00H01M10/50F24D18/00H01M10/60H01M10/613H01M10/615H01M10/627H01M10/633H01M10/6556H01M10/6565H01M10/6568H01M10/6569
CPCY02E60/12F24H2240/01F24D11/0235F24D19/1072H01M10/5004Y02B10/70Y02B30/52F24D17/02H01M10/486Y02E60/50H01M10/5061F24D17/001F24D2200/29F24D3/08H01M10/5083F24D2200/123H01M10/5089H01M10/5022F24D2200/02H01M10/633H01M10/6571H01M10/613H01M10/659H01M10/656Y02E60/10F24D2101/00F24D2103/13F24D18/00
Inventor 林田岳
Owner PANASONIC CORP
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