[특허]Combined hot water supply and air-conditioning device

Combined hot water supply and air-conditioning device 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F24F-005/00 F24H-004/02 F25B-030/02 F25B-013/00 F25B-007/00 F24F-003/06 F24H-006/00 F24D-015/04 F24D-019/10 F24D-003/08
출원번호	US-0881458 (2010-12-22)
등록번호	US-9528713 (2016-12-27)
국제출원번호	PCT/JP2010/007434 (2010-12-22)
§371/§102 date	20130425 (20130425)
국제공개번호	WO2012/085970 (2012-06-28)
발명자 / 주소	Koge, Hirofumi Kawagoe, Tomokazu
출원인 / 주소	MITSUBISHI ELECTRIC CORPORATION
대리인 / 주소	Posz Law Group, PLC
인용정보	피인용 횟수 : 0 인용 특허 : 38

초록 ▼

A combined hot water supply and air-conditioning device heat source even in a case where the outside air temperature is high such as in summertime. In heating operation, a combined hot water supply and air-conditioning device controls the capacity of a heat source unit-side heat exchanger equipped to a heat source unit to thereby achieve a balance between the load of the heat source unit, and the total load of indoor units and a hot water supply unit.

대표청구항 ▼

1. A combined hot water supply and air-conditioning device comprising: at least one heat source unit that is equipped with an air-conditioning compressor that compresses a first refrigerant, and a heat source unit-side heat exchanger;a plurality of indoor units that are connected in parallel to the heat source unit, the indoor units being equipped with a use-side heat exchanger through which the first refrigerant flows;at least one hot water supply unit that is connected in parallel to the heat source unit, the hot water supply unit being equipped with a refrigerant-refrigerant heat exchanger through which the first refrigerant and a second refrigerant flow, a heat medium-refrigerant heat exchanger through which a heat medium and the second refrigerant flow, and a hot water supply compressor that compresses the second refrigerant; anda controller configured to control a capacity of the heat source unit-side heat exchanger equipped to the heat source unit;wherein in heating operation, the controller is configured toset a lower limit for a capacity of the heat source unit-side heat exchanger, andcontrol the capacity of the heat source unit-side heat exchanger to adjust the capacity of the heat source unit-side heat exchanger relative to a heating operation capacity ratio to prevent deviation from a predetermined operating range of the air-conditioning compressor and to suppress an increase in pressure, the heating operation capacity ratio is a value obtained by dividing a total load of the indoor units and the hot water supply unit by a load of the heat source unit. 2. A combined hot water supply and air-conditioning device comprising: at least one heat source unit that is equipped with an air-conditioning compressor that compresses a first refrigerant, and a heat source unit-side heat exchanger;a plurality of indoor units that are connected in parallel to the heat source unit, the indoor units being equipped with a use-side heat exchanger through which the first refrigerant flows;at least one hot water supply unit that is connected in parallel to the heat source unit, the hot water supply unit being equipped with at least a heat medium-refrigerant heat exchanger through which a heat medium and the first refrigerant flow; anda controller configured to control a capacity of the heat source unit-side heat exchanger equipped to the heat source unit;wherein in heating operation, the controller is configured toset a lower limit for a capacity of the heat source unit-side heat exchanger, andcontrol the capacity of the heat source unit-side heat exchanger to adjust the capacity of the heat source unit-side heat exchanger relative to heating operation capacity ratio to prevent deviation from a predetermined operating range of the air-conditioning compressor and to suppress an increase in pressure, the heating operation capacity ratio is a value obtained by dividing a total load of the indoor units and the hot water supply unit by a load of the heat source unit. 3. The combined hot water supply and air-conditioning device of claim 1, wherein: the combined hot water supply and air-conditioning device is provided with a bypass pipe that bypasses the heat source unit-side heat exchanger, anda bypass valve that is installed in the bypass pipe; andthe controller is configured to control the capacity of the heat source unit-side heat exchanger equipped to the heat source unit by regulating a flow rate of the first refrigerant entering the bypass pipe by controlling the bypass valve. 4. The combined hot water supply and air-conditioning device of claim 1, wherein the controller is configured to switch a load of the indoor units and a load of the hot water supply unit. 5. The combined hot water supply and air-conditioning device of claim 1, wherein in a state in which the indoor units are stopped and the hot water supply unit is operating, the controller is configured to control the capacity of the heat source unit-side heat exchanger equipped to the heat source unit so that a high-pressure side pressure of the first refrigerant discharged from the air-conditioning compressor is within a predetermined range. 6. The combined hot water supply and air-conditioning device of claim 1, wherein the controller is further configured to calculate the heating capacity ratio. 7. The combined hot water supply and air-conditioning device of claim 1, wherein the controller is further configured to increase the capacity of the heat source unit-side heat exchanger as the heating operation capacity of the indoor units and the hot water supply unit increases. 8. The combined hot water supply and air-conditioning device of claim 1, wherein the controller is further configured to detect an outside air wet-bulb temperature and to adjust the capacity of the heat source unit-side heat exchanger in response to the outside air wet-bulb temperature.

이 특허에 인용된 특허 (38)

Ueno Takeo,JPX, Air conditioner.
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Seo, Kook-Jeong; Kim, Man-Hoe; Ha, Jong-Kweon, Air conditioner having hot/cold water producing device.
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Saito Kazuo (Kanagawa JPX) Sakuma Tsutomu (Kanagawa JPX), Air conditioning apparatus with improved ice storage therein.
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Otsuka Nobuo (Kamakura JPX) Igarashi Hideo (Fujisawa JPX) Thompson Peter (Yokohama JPX), Air-conditioner.
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Sekigami Kunie (Ota JPX) Nagae Kouji (Oizumi JPX) Sasaki Yoji (Oizumi JPX), Air-conditioning apparatus.
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Watanabe Shigeki (Fujinomiya JPX), Air-conditioning apparatus having heat source unit and plural indoor units connected to the heat source unit.
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Gilles Theodore C. (Dallas TX), Ancillary heat pump apparatus for producing domestic hot water.
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Higuchi Itsuo (Fuji JPX), Bypass system for a dual refrigeration cycle air conditioner.
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Gilles Theodore C. (Dallas TX) Uselton Robert B. (Lancaster TX), Combination ancillary heat pump for producing domestic hot h20 with multimodal dehumidification apparatus.
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Dudley Kevin F. (Cazenovia NY) Paige Lowell E. (Pennellville NY) Dunshee Kevin B. (Syracuse NY), Controllable variable speed heat pump for combined water heating and space cooling.
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Vaynberg Mikhail M. (San Francisco CA), Cooling system automatically configurable to operate in cascade or single compressor mode.
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Kashirajima, Yasuhiro; Kikuchi, Hiroshige; Sugiura, Takumi; Watanabe, Koji; Nakashima, Kenichi, Cooling system for electronic equipment.
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Chi-Yi Wang TW; Wen-Cheng Huang TW, Cooling tower for automatically adjusting flow rates of cooling water and cooling air with variations of a load.
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Kaye Glenn A. (Petitcodiac CAX), Direct expansion geothermal heat pump.
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Narreau Peter P. (Pennellville NY), Economizer control with variable capacity.
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Dudley Kevin F. (Cazenovia NY), Electric power demand limit for variable speed heat pumps and integrated water heating heat pumps.
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Bitterli William W. (Simsbury CT) Games John E. (Granby CT) Healey David M. (Feeding Hills MA), Energy conservative control of terminal reheat heating, ventilating, and air conditioning (HVAC) systems.
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Friedman Donald E. (Creve Coeur MO), Fluidic time delay system.
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Yoshino Hozo (Tokyo JPX), Heat pump air conditioning system.
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Back, Hyun Sam; Cho, Jin Woo, Hot water circulation system associated with heat pump and method for controlling the same.
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Nishimura, Tadafumi; Yamaguchi, Takahiro, Hot water supply system.
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Reedy Wayne R. (Cazenovia NY), Integrated heat pump system.
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Shaw David N. (Unionville CT), Integrated thermal solar heat pump system.
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Howard, Henry Edward, Method for operating a cascade refrigeration system.
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Kajino Yukio (16-4 ; Naka Miyachi Chichibu-shi ; Saitama-ken ; 368 JPX), Method of and apparatus for amplifying heat.
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Sugimoto Takayuki (Kusatsu JPX) Okuzawa Yoshiyuki (Kusatsu JPX) Suzuki Nobuo (Kusatsu JPX), Multi-room type air conditioner.
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Shimizu Keiichirou (Fujinomiya JPX) Gotou Yukifumi (Fuji JPX), Multi-type air conditioner with optimum control for each load.
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Saito Kazuo (Fujisawa JPX) Kumazawa Katuyoshi (Yamato JPX) Hirasawa Fusao (Tokyo JPX) Sano Tetsuo (Yokohama JPX) Hatakubo Tutomu (Fujisawa JPX) Kuyama Hideto (Yokohama JPX), Multi-type air heating apparatus utilizing phase variation of heating medium.
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Tsutsui Osamu (Fukuoka JPX) Kawaguchi Hideki (Fukuoka JPX) Hayashi Keiji (Fukuoka JPX) Kayano Masahiro (Fukuoka JPX) Tanaka Shingo (Fukuoka JPX) Kobayashi Hiroshi (Shiga JPX) Nakamura Hisashi (Shiga , Multiple-purpose instantaneous gas water heater.
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Yuyama Hiroshi (Shizuoka JPX), Prime mover driven air-conditioning and hot-water supplying system.
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Shaw David N. (Unionville CT), Reciprocating compressor refrigeration system using step expansion and auto staging.
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Saito Junichi,JPX ; Miya Ryuji,JPX, Refrigerant circuit with fluid heated refrigerant.
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Shaw David N. (Unionville CT), Refrigeration system.
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Yamazaki Kisuke (Kamakura JPX) Otsubo Michio (Fujisawa JPX) Okuma Keiko (Machida JPX), Room-warming/cooling and hot-water supplying heat-pump apparatus.
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Henderson Roland A. (Rte. 6 ; Box 201 Chippewa Falls WI 54729), Solar-geothermal heat system.
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Laude-Bousquet Adrien,FRX, Unit for distribution and/or collection of cold and/or of heat.
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