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JP2008128609A5 - - Google Patents

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Publication number
JP2008128609A5
JP2008128609A5 JP2006316777A JP2006316777A JP2008128609A5 JP 2008128609 A5 JP2008128609 A5 JP 2008128609A5 JP 2006316777 A JP2006316777 A JP 2006316777A JP 2006316777 A JP2006316777 A JP 2006316777A JP 2008128609 A5 JP2008128609 A5 JP 2008128609A5
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JP
Japan
Prior art keywords
heat exchanger
outdoor heat
temperature
temperature sensor
air conditioner
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Application number
JP2006316777A
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Japanese (ja)
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JP2008128609A (en
JP4553886B2 (en
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Priority to JP2006316777A priority Critical patent/JP4553886B2/en
Priority claimed from JP2006316777A external-priority patent/JP4553886B2/en
Publication of JP2008128609A publication Critical patent/JP2008128609A/en
Publication of JP2008128609A5 publication Critical patent/JP2008128609A5/ja
Application granted granted Critical
Publication of JP4553886B2 publication Critical patent/JP4553886B2/en
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Claims (3)

少なくとも、圧縮機、四方切替弁、室外熱交換器、冷媒減圧装置、及び室内熱交換器を冷媒配管で閉ループに結合した冷媒回路と、
前記室外熱交換器の温度を検出する室外熱交換器温度センサと、
暖房運転時、前記室外熱交換器温度センサにより検出された前記暖房運転の初期の室外熱交換器温度を記憶し、この初期の室外熱交換器温度と現在の室外熱交換器温度との差を求め、この温度差がある一定のしきい値を超えた場合、前記四方切替弁を切替させて霜取り動作を開始させる除霜制御装置と、を備えることを特徴とする空気調和機。 A refrigerant circuit in which at least a compressor, a four-way switching valve, an outdoor heat exchanger, a refrigerant decompression device, and an indoor heat exchanger are coupled in a closed loop with refrigerant piping;
An outdoor heat exchanger temperature sensor for detecting the temperature of the outdoor heat exchanger,
During the heating operation, the initial outdoor heat exchanger temperature detected by the outdoor heat exchanger temperature sensor is stored, and the difference between the initial outdoor heat exchanger temperature and the current outdoor heat exchanger temperature is stored. An air conditioner comprising: a defrosting control device that switches the four-way switching valve to start a defrosting operation when the temperature difference exceeds a certain threshold value. 前記除霜制御装置が、霜取り動作開始の判定基準となる前記しきい値を、前記初期の室外熱交換器温度に応じて変更することを特徴とする請求項１記載の空気調和機。 The defrost control system, the threshold to be a criterion for defrosting operation start, the air conditioner according to claim 1, wherein the change in response to the outdoor heat exchanger temperature of the initial. 前記室内熱交換器の温度を検出する室内熱交換器温度センサを設け、
前記除霜制御装置が、前記室内熱交換器温度センサの検出値がある一定値以上の場合には、前記霜取り動作を開始させないことを特徴とする請求項１又は請求項２記載の空気調和機。 The temperature sensor indoor heat exchanger for detecting the temperature of said indoor heat exchanger is provided,
The defrost control system, in the case of more than a certain value detected value of the indoor heat exchanger temperature sensor according to claim 1 or claim 2 air conditioner wherein a not to initiate the defrosting operation .
JP2006316777A 2006-11-24 2006-11-24 Air conditioner Active JP4553886B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2006316777A JP4553886B2 (en) 2006-11-24 2006-11-24 Air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006316777A JP4553886B2 (en) 2006-11-24 2006-11-24 Air conditioner

Publications (3)

Publication Number Publication Date
JP2008128609A JP2008128609A (en) 2008-06-05
JP2008128609A5 true JP2008128609A5 (en) 2008-09-11
JP4553886B2 JP4553886B2 (en) 2010-09-29

Family

ID=39554612

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006316777A Active JP4553886B2 (en) 2006-11-24 2006-11-24 Air conditioner

Country Status (1)

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JP (1) JP4553886B2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5554038B2 (en) * 2009-09-09 2014-07-23 三菱重工業株式会社 Defrost heater control method for air conditioner
CN105371524B (en) * 2014-08-26 2018-03-20 青岛海尔空调器有限总公司 Compression-type refrigeration heating air conditioner system and its outdoor machine frost eliminating method
JP6119811B2 (en) * 2015-08-18 2017-04-26 ダイキン工業株式会社 Refrigeration equipment
CN108027185B (en) * 2015-10-27 2020-06-05 株式会社电装 Refrigeration cycle device
JP6650618B2 (en) * 2016-02-22 2020-02-19 パナソニックＩｐマネジメント株式会社 Air conditioner and control method of air conditioner
CN105674648B (en) * 2016-04-01 2019-01-18 珠海格力电器股份有限公司 Heating and defrosting control method for multi-split air conditioning system
CN106594937A (en) * 2017-01-10 2017-04-26 美的集团武汉制冷设备有限公司 Air conditioner, and defrosting control method and system
JP6477802B2 (en) * 2017-08-08 2019-03-06 ダイキン工業株式会社 Refrigeration equipment

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0739897B2 (en) * 1985-07-18 1995-05-01 株式会社東芝 Refrigeration cycle equipment
JPS62131134A (en) * 1985-12-02 1987-06-13 Matsushita Electric Ind Co Ltd Method of defrosting for air conditioner
JPH0331668A (en) * 1989-06-28 1991-02-12 Mitsubishi Electric Corp Freezing device
JP4156097B2 (en) * 1998-09-29 2008-09-24 東芝キヤリア株式会社 Air conditioner
JP2004093020A (en) * 2002-08-30 2004-03-25 Chofu Seisakusho Co Ltd Defrosting operation control method for heat pump air conditioner

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