JP5122550B2 - Ptcヒータの制御方法及び空気調和機 - Google Patents
Ptcヒータの制御方法及び空気調和機 Download PDFInfo
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- JP5122550B2 JP5122550B2 JP2009268882A JP2009268882A JP5122550B2 JP 5122550 B2 JP5122550 B2 JP 5122550B2 JP 2009268882 A JP2009268882 A JP 2009268882A JP 2009268882 A JP2009268882 A JP 2009268882A JP 5122550 B2 JP5122550 B2 JP 5122550B2
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- ptc heater
- current value
- duty
- duty ratio
- heater
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
- F24F1/022—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing comprising a compressor cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/0252—Domestic applications
- H05B1/0275—Heating of spaces, e.g. rooms, wardrobes
- H05B1/028—Airconditioning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/34—Heater, e.g. gas burner, electric air heater
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/54—Heating and cooling, simultaneously or alternatively
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
- Air-Conditioning For Vehicles (AREA)
Description
2 室内部
3 底板
4 室外部
5 仕切壁
20 筐体
21 吸込口
22 吹出口
23 送風通路
24 送風ダクト
25 室内ファン
26 ルーバー
27 室内熱交換器
28 加熱部
30 外装カバー
41 圧縮機
42 室外熱交換器
43 室外ファン
47 冷媒管
50 制御部
51 操作部
52 記憶部
53 電流検知部
54 ヒータ制御部
55 PTCヒータ
Claims (8)
- PTCヒータと、前記PTCヒータをDUTY制御するヒータ制御部と、前記PTCヒータの電流値を検知する電流検知部とを備え、前記PTCヒータにより昇温された空気を室内に送出して暖房運転を行う空気調和機において、
所定のDUTY比で前記PTCヒータの駆動を開始し、前記電流検知部により検知される前記PTCヒータの電流値を所定周期で取得して前回の電流値に対して同じまたは低下した際に極大値と判断し、
前記電流検知部により検知した電流値が極大値となった際に前記PTCヒータのDUTY比を所定量だけ増加させるDUTY増加処理を行って前記PTCヒータの電流値を上昇させ、
前記DUTY増加処理をDUTY比が100%になるまで繰り返して前記PTCヒータの電流値を徐々に増加させることを特徴とする空気調和機。 - 前記電流検知部により検知した電流値が所定値よりも小さいときに前記DUTY増加処理を行うとともに、前記電流検知部により検知した電流値が所定値よりも大きいときに前記PTCヒータのDUTY比を所定量だけ減少させるDUTY減少処理を行うことを特徴とする請求項1に記載の空気調和機。
- PTCヒータと、前記PTCヒータをDUTY制御するヒータ制御部と、前記PTCヒータの電流値を検知する電流検知部とを備え、前記PTCヒータにより昇温された空気を室内に送出して暖房運転を行う空気調和機において、
所定のDUTY比で前記PTCヒータの駆動を開始し、前記電流検知部により検知される前記PTCヒータの電流値を所定周期で取得し、前回の電流値に対して同じまたは低下した際に極大値と判断し、
前記電流検知部により検知した電流値が極大値となった際に前記PTCヒータのDUTY比を所定量だけ増加させるDUTY増加処理をDUTY比が100%になるまで繰り返し、
前記電流検知部により検知した電流値が第1の所定値よりも大きいときに前記PTCヒータのDUTY比を所定量だけ減少させるDUTY減少処理を行い、
前記電流検知部により検知した電流値が第1の所定値よりも低い第2の所定値よりも小さいときに前記DUTY増加処理を行い、
前記電流検知部により検知した電流値が第1の所定値と第2の所定値との間のときに前記PTCヒータのDUTY比の増減を行わないことを特徴とする空気調和機。 - 前記PTCヒータに向かう気流を発生する送風機を備え、前記PTCヒータの駆動開始時に前記送風機を第1の回転数で駆動するとともに、前記PTCヒータのDUTY比が100%になった際に前記送風機を第1の回転数よりも大きな第2の回転数で駆動することを特徴とする請求項1から請求項3のいずれかに記載の空気調和機。
- 前記PTCヒータのDUTY比が100%になるまでの間に、前記送風機の回転数を第1の回転数から徐々に低下させることを特徴とする請求項4に記載の空気調和機。
- 前記ヒータ制御部は前記PTCヒータをトライアック制御することを特徴とする請求項1から請求項5のいずれかに記載の空気調和機。
- PTCヒータをDUTY制御するヒータ制御部と、前記PTCヒータの電流値を検知する電流検知部とを備え、所定のDUTY比で前記PTCヒータの駆動を開始し、前記電流検知部により検知される前記PTCヒータの電流値を所定周期で取得して前回の電流値に対して同じまたは低下した際に極大値と判断し、前記電流検知部により検知した電流値が極大値となった際に前記PTCヒータのDUTY比を所定量だけ増加させるDUTY増加処理を行って前記PTCヒータの電流値を上昇させ、前記DUTY増加処理をDUTY比が100%になるまで繰り返して前記PTCヒータの電流値を徐々に増加させることを特徴とするPTCヒータの制御方法。
- 前記PTCヒータに向かう気流を発生する送風機を備え、前記PTCヒータの駆動開始時に前記送風機を第1の回転数で駆動するとともに、前記PTCヒータのDUTY比が100%になった際に前記送風機を第1の回転数よりも大きな第2の回転数で駆動することを特徴とする請求項7に記載のPTCヒータの制御方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2009268882A JP5122550B2 (ja) | 2009-11-26 | 2009-11-26 | Ptcヒータの制御方法及び空気調和機 |
CA 2722746 CA2722746C (en) | 2009-11-26 | 2010-11-24 | Air conditioner |
US12/953,990 US9182134B2 (en) | 2009-11-26 | 2010-11-24 | Air conditioner having positive temperature coefficient heater |
CN2010105673955A CN102080866B (zh) | 2009-11-26 | 2010-11-26 | 空调和用于控制正温度系数加热器的方法 |
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JP2009268882A JP5122550B2 (ja) | 2009-11-26 | 2009-11-26 | Ptcヒータの制御方法及び空気調和機 |
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JP2011112281A JP2011112281A (ja) | 2011-06-09 |
JP5122550B2 true JP5122550B2 (ja) | 2013-01-16 |
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JP2009268882A Expired - Fee Related JP5122550B2 (ja) | 2009-11-26 | 2009-11-26 | Ptcヒータの制御方法及び空気調和機 |
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US (1) | US9182134B2 (ja) |
JP (1) | JP5122550B2 (ja) |
CN (1) | CN102080866B (ja) |
CA (1) | CA2722746C (ja) |
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JP5122550B2 (ja) * | 2009-11-26 | 2013-01-16 | シャープ株式会社 | Ptcヒータの制御方法及び空気調和機 |
US8309894B2 (en) * | 2010-02-12 | 2012-11-13 | General Electric Company | Triac control of positive temperature coefficient (PTC) heaters in room air conditioners |
JP5221596B2 (ja) * | 2010-06-10 | 2013-06-26 | シャープ株式会社 | 空気調和機 |
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2009
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JP2011112281A (ja) | 2011-06-09 |
CN102080866A (zh) | 2011-06-01 |
CN102080866B (zh) | 2013-12-04 |
CA2722746C (en) | 2015-04-14 |
US9182134B2 (en) | 2015-11-10 |
US20110123181A1 (en) | 2011-05-26 |
CA2722746A1 (en) | 2011-05-26 |
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