[특허]Use-side unit and air conditioner

Use-side unit and air conditioner 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F24F-003/153 F24F-011/08 F24F-011/00 F24F-003/14
출원번호	US-0142873 (2009-02-20)
등록번호	US-9562700 (2017-02-07)
국제출원번호	PCT/JP2009/052947 (2009-02-20)
§371/§102 date	20110630 (20110630)
국제공개번호	WO2010/095238 (2010-08-26)
발명자 / 주소	Watanabe, Yoshiyuki
출원인 / 주소	MITSUBISHI ELECTRIC CORPORATION
대리인 / 주소	Buchanan Ingersoll & Rooney PC
인용정보	피인용 횟수 : 0 인용 특허 : 46

초록 ▼

A use-side unit and an air conditioner that can feed out air at a target temperature into a target space are provided. A use-side evaporator that recovers moisture obtained by cooling and condensing the air to be fed out into the space to be air-conditioned or the like and dehumidifies it so as to obtain target relative humidity, a use-side condenser that heats the air having passed through the use-side evaporator by heat exchange, adjusts it to a target dry-bulb temperature and feeds it out into the space to be air-conditioned or the like, and a use-side controller that calculates a correction value if a difference between a dry-bulb temperature according to the detection of a temperature detector that detects a dry-bulb temperature of the air to be fed out into the target space and the target dry-bulb temperature is larger than a predetermined value and performs processing to correct a target intermediate dry-bulb temperature.

대표청구항 ▼

1. A use-side unit comprising: an evaporator that recovers moisture obtained by cooling and condensing air to be fed out into a space to be air-conditioned by heat exchange so as to perform dehumidification;a condenser that heats air having passed the evaporator by heat exchange to feed the air out into said space to be air-conditioned;a first temperature detector that detects a dry-bulb temperature of the air to be fed out into said space to be air-conditioned;a second temperature detector that detects a dry-bulb temperature of the air after it has passed through said evaporator but before it has passed through said condenser; and a controller that calculates a target intermediate dry-bulb temperature that is made to be a dry-bulb temperature target of the air having passed through said evaporator and before having passed through said condenser on the basis of a target dry-bulb temperature and a target relative humidity of the air to be fed out into said space which has passed said condenser, and if it is determined that a difference between the dry-bulb temperature of the air to be fed out into said space according to the detection of said first temperature detector and said target dry-bulb temperature is larger than or equal to a predetermined value, the controller calculates a correction value on the basis of the difference between the dry-bulb temperature of the air to be fed out into said space according to the detection of said first temperature detector and said target dry-bulb temperature to correct said target intermediate dry-bulb temperature on the basis of the corrected value in order to adjust the temperature of airflow exiting the evaporator. 2. The use-side unit of claim 1, further comprising: an evaporation-side control valve that controls a flow rate of a heat conveying medium that exchanges heat with the air passing through said evaporator;a condensation-side control valve that controls the flow rate of the heat conveying medium that exchanges heat with the air passing through said condenser; andsaid controller controls an opening-degree of said evaporation-side control valve so that the dry-bulb temperature according to the detection of said second temperature detector is to be said target intermediate dry-bulb temperature and controls the opening-degree of said condensation-side control valve so that the dry-bulb temperature according to the detection of said first temperature detector is to be said target dry-bulb temperature. 3. The use-side unit of claim 2, wherein the controller calculates a difference between the dry-bulb temperature of the air having passed through said evaporator and the target intermediate dry-bulb temperature, and determines whether this difference is within an allowable range. 4. The use-side unit of claim 1, further comprising a storage device that stores a lower limit value for the relative humidity of the air to be fed out into said space to be air-conditioned as data, wherein if said controller determines that the relative humidity of the air at said target intermediate dry-bulb temperature corrected by the calculated correction value is lower than said lower limit value, said controller corrects the target intermediate dry-bulb temperature on the basis of said lower limit value in order to adjust the temperature of the airflow exiting the evaporator. 5. An air conditioner that configures a refrigerant circuit comprising: the use-side unit of claim 1; anda heat-source-side unit having a compressor that compresses a heat conveying medium and a heat-source-side heat exchanger that condenses said heat conveying medium by heat exchange connected by a pipeline so that said heat conveying medium is circulated, wherein the heat source-side unit is connected to the use-side unit. 6. An air conditioner of claim 5, wherein a flow rate of said heat conveying medium passing through said evaporator and/or said condenser is adjusted by controlling a discharge amount of said heat conveying medium from said compressor. 7. The use-side unit of claim 1, further comprising an input device that sets a dry-bulb temperature and/or relative humidity, wherein said controller determines said target dry-bulb temperature and/or said target relative humidity on the basis of the dry-bulb temperature of the air to be fed out into said space to be air-conditioned and/or relative humidity related to setting. 8. The use-side unit of claim 1, wherein the dry-bulb temperature of the air detected by the second temperature detector is also used by the controller to calculate the correction value. 9. The use-side unit of claim 1, wherein the controller calculates a target dewpoint temperature based on the target dry-bulb temperature and the target relative humidity, and the target dewpoint temperature is set as the target intermediate dry-bulb temperature.

이 특허에 인용된 특허 (46)

Michael K. West, Air conditioner and controller for active dehumidification while using ambient air to prevent overcooling.
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Shaw Allan,AUX, Air conditioning control system for variable evaporator temperature.
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Brune Paul C. (311 Greenbay Ct. ; NE. Palm Bay FL 32907), Air conditioning system with reheater.
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Smith Glenn W. (Mt. Airy) McCloskey William D. (Baltimore) Cates Robert E. (Arnold MD), Air pre-cooler method and apparatus.
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Maeda Kensaku,JPX, Air-conditioning system and method of operating the same.
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Hyde Robert E. (18448 SE. Pine Portland OR 97233-4859), Apparatus for dehumidifying air in an air-conditioned environment with climate control system.
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Shah Dipak J., Auctioneering temperature and humidity controller with reheat.
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Voorhis, Roger J.; Sowada, Patrick B., Control scheme for coordinating variable capacity components of a refrigerant system.
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Bahel, Vijay; Dexter, Peter F.; Hossain, Altaf; Crone, Thomas E., Cooling system design simulator.
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Bahel, Vijay; Dexter, Peter F.; Hossain, Altaf; Crone, Thomas E., Cooling system design simulator.
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Maeda Kensaku,JPX, Dehumidifying air-conditioning system and method of operating the same.
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Jardine Douglas M. (Colorado Springs CO), Economizer refrigeration cycle space heating and cooling system and process.
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Shah Dipak J. (Eden Prairie MN), Enthalpy based thermal comfort controller.
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Sizemore Timothy J. ; Redd Bryan L., Evaporative cooling system.
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Lo Lai (Toronto CAX) Leung Dominic (Brampton CAX) Grudzinski Piotr (Toronto CAX), Flexible process controller.
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Kensaku Maeda JP; Yoshiro Fukasaku JP, Heat exchanger, heat pump, dehumidifier, and dehumidifying method.
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Jonsson ; Kjartan A., Heat extraction or reclamation apparatus for refrigerating and air conditioning systems.
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Marshall Ralph C. (14739-1/2 Oxnard St. Van Nuys CA 91411) Consoli Ronald P. (16853 Magnolia Blvd. Encino CA 91436), High efficiency air conditioner.
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Bussjager Ruddy C. (Chittenango NY) McKallip James M. (Pompey NY) Miller Lester N. (East Syracuse NY), High latent refrigerant control circuit for air conditioning system.
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Shah Rajendra K. ; Mills ; Jr. Eugene L., Humidity control thermostat and method for an air conditioning system.
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Calton Dean S. (LaVernia TX) Coellner James A. (Philadelphia PA) Heimann Paul R. (Wyncote PA) Scott Douglas C. (LaVerne CA), Hybrid air-conditioning system and method of operating the same.
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Calton Dean S. (Lavernia TX) Coellner James A. (Philadelphia PA) Heimann Paul R. (Wyncote PA) Scott Douglas C. (LaVerne CA), Hybrid air-conditioning system and method of operating the same.
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Calton Dean Scott (Lavernia TX) Mark Henry (Philadelphia PA), Hybrid air-conditioning system with improved recovery evaporator and subcool condenser coils.
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Smith Glenn W. (Mt. Airy MD) McCloskey William D. (Baltimore MD) Cates Robert E. (Arnold MD), Indirect contact chiller air-precooler method and apparatus.
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Larsson Donald E., Method and apparatus for dehumidifying and conditioning air.
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Erbs Daryl G. (Palermo NY), Method and apparatus for detecting room humidity.
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Eiermann Kenneth L. (1049 Manchester Cir. Winter Park FL 32792), Method and apparatus for latent heat extraction.
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Eiermann Kenneth L. (1049 Manchester Circle Winter Park FL 32792), Method and apparatus for latent heat extraction.
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Eiermann Kenneth L., Method and apparatus for latent heat extraction with cooling coil freeze protection and complete recovery of heat of rej.
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Schnur,Nicholas E.; Beimesch,Bruce J., Method of improving performance of refrigerant systems.
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Calton Dean S. (Lavernia TX) Coellner James A. (Philadelphia PA), Method of operating hybrid air-conditioning system with fast condensing start-up.
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Backman, Thomas J., Multiple stage dehumidification and cooling system.
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Duncan, Scot M., Optimized control system for cooling systems.
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Hyde Robert E. (18448 SE. Pine St. Portland OR 97233-4859), Process for dehumidifying air in an air-conditioned environment.
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Smeal William J. (4346 W. Maryland Glendale AZ 85301), Refrigerated air conditioning system using diaphragm pump.
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Sullivan Brian T., Sizing and control of fresh air dehumidification unit.
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Kittler, Reinhold, Swimming pool dehumidifier.
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Schafka Mark Louis, System and method for air humidification.
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Cayce James L. (103 Pine Crest Longwood FL 32750), System and method for high-efficiency air cooling and dehumidification.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Use-side unit and air conditioner 원문보기

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Use-side unit and air conditioner 원문보기

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