JPWO2016170668A1 - 空気調和機 - Google Patents
空気調和機 Download PDFInfo
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- JPWO2016170668A1 JPWO2016170668A1 JP2017513925A JP2017513925A JPWO2016170668A1 JP WO2016170668 A1 JPWO2016170668 A1 JP WO2016170668A1 JP 2017513925 A JP2017513925 A JP 2017513925A JP 2017513925 A JP2017513925 A JP 2017513925A JP WO2016170668 A1 JPWO2016170668 A1 JP WO2016170668A1
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- JP
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- Prior art keywords
- air
- refrigerant
- evaporator
- controller
- air conditioner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- 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
- F24F11/76—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 means responsive to temperature, e.g. bimetal springs
-
- 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
-
- 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
-
- 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
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/19—Calculation of parameters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/11—Fan speed control
- F25B2600/112—Fan speed control of evaporator fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
- F25B2700/193—Pressures of the compressor
- F25B2700/1931—Discharge pressures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2116—Temperatures of a condenser
- F25B2700/21163—Temperatures of a condenser of the refrigerant at the outlet of the condenser
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2117—Temperatures of an evaporator
- F25B2700/21171—Temperatures of an evaporator of the fluid cooled by the evaporator
- F25B2700/21172—Temperatures of an evaporator of the fluid cooled by the evaporator at the inlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2117—Temperatures of an evaporator
- F25B2700/21174—Temperatures of an evaporator of the refrigerant at the inlet of the evaporator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2117—Temperatures of an evaporator
- F25B2700/21175—Temperatures of an evaporator of the refrigerant at the outlet of the evaporator
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
Description
前記蒸発器に空気を送風する送風機と、
前記圧縮機、膨張弁および送風機の動作を制御するコントローラと、を備え、
当該コントローラのメモリには、前記凝縮器および蒸発器の熱交換効率と送風量の関係を示すデータが格納され、
前記コントローラは、前記データに基づき、熱交換効率と冷凍サイクルの状態から前記送風機の送風量を計算することを特徴とする。
ここで、圧縮機の押しのけ容積Vは用いた圧縮機により決まり、圧縮される冷媒の密度ρは、蒸発器圧力Peを基にコントローラ7がメモリに格納された冷媒物性のデータから演算する。
ここで、蒸発器出入口エンタルピ差ΔHrは冷媒により制限される値であるため、以下では、一例として、R410Aを用いた場合を示す。ΔHrはユニット保護の観点から150〜200kJ/kg程度が一般的な値となる。そこでΔHrを例えば175kJ/kgとなるように制御する。
Hri=Hro−ΔHr
=425KJ/kg−175KJ/kg
=250KJ/kg
となる。PCmが30kgf/Cm2Gであるため、凝縮器出口の冷媒温度が31℃である必要がある。
SCm=50℃−31℃=19℃
となる。
Gr=Qe/ΔHr
=28kW/175kJ/kg
=0.16kg/s
となるため、このGrを満たすように圧縮機1を制御してやればよい。例えば回転数制御型であれば、周波数を変化させればよい。
ここで、Qeは蒸発能力、GAは送風量、εは熱交換効率、ΔhAは空気エンタルピ差である。
ΔhA=Qe/(GA×ε)
=28kW/((60m3/min/60/0.83m3/kg)×0.69)
=33.7kJ/kg
となる。ここで、60と0.83m3/kgで除算しているのは体積流量を質量流量へと単位換算するためである。また0.83m3/kgは一般的な空気の比容積である。
hAC=hAA−ΔhA
=53.8kJ/kg−33.7kJ/kg
=20.1kJ/kg
となる。コントローラ7のメモリに格納された空気物性のデータから熱交換器温度Te_calは5.8℃であると演算できる。この時の空気線図を図6に示す。
2 凝縮器
3 膨張弁
4 蒸発器
5 ファン
6 モータ
7 コントローラ
8 圧力測定用センサ
9〜11 温度測定用センサ
12 吸込空気状態測定用センサ
Claims (3)
- 冷媒を圧縮する圧縮機、冷媒を凝縮する凝縮器、減圧する膨張弁および蒸発する蒸発器が、冷媒を循環させる配管で連結された冷媒回路と、
前記蒸発器に空気を送風する送風機と、
前記圧縮機、膨張弁および送風機の動作を制御するコントローラと、を備え、
当該コントローラのメモリには、前記凝縮器および蒸発器の熱交換効率と送風量の関係を示すデータが格納され、
前記コントローラは、前記データに基づき、熱交換効率と冷凍サイクルの状態から前記送風機の送風量を計算することを特徴とする空気調和機。 - 前記送風機は、ファンとモータが直結されている、請求項1に記載の空気調和機。
- 前記送風機は、ファンとモータがプーリまたはベルトを介して間接的に接続されている請求項1に記載の空気調和機。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2015/062476 WO2016170668A1 (ja) | 2015-04-24 | 2015-04-24 | 空気調和機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2016170668A1 true JPWO2016170668A1 (ja) | 2017-11-30 |
JP6385568B2 JP6385568B2 (ja) | 2018-09-05 |
Family
ID=57142963
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017513925A Active JP6385568B2 (ja) | 2015-04-24 | 2015-04-24 | 空気調和機 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP6385568B2 (ja) |
GB (1) | GB2553422B (ja) |
WO (1) | WO2016170668A1 (ja) |
Families Citing this family (15)
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US9937953B2 (en) | 2011-04-19 | 2018-04-10 | Ford Global Technologies, Llc | Trailer backup offset determination |
US10611407B2 (en) | 2015-10-19 | 2020-04-07 | Ford Global Technologies, Llc | Speed control for motor vehicles |
US10384607B2 (en) | 2015-10-19 | 2019-08-20 | Ford Global Technologies, Llc | Trailer backup assist system with hitch angle offset estimation |
US9836060B2 (en) | 2015-10-28 | 2017-12-05 | Ford Global Technologies, Llc | Trailer backup assist system with target management |
US10155478B2 (en) | 2015-12-17 | 2018-12-18 | Ford Global Technologies, Llc | Centerline method for trailer hitch angle detection |
US10106193B2 (en) | 2016-07-01 | 2018-10-23 | Ford Global Technologies, Llc | Enhanced yaw rate trailer angle detection initialization |
US10046800B2 (en) | 2016-08-10 | 2018-08-14 | Ford Global Technologies, Llc | Trailer wheel targetless trailer angle detection |
GB201614460D0 (en) | 2016-08-24 | 2016-10-05 | Rotech Group Ltd | Improvements in and relating to underwater excavation apparatus |
WO2018037496A1 (ja) * | 2016-08-24 | 2018-03-01 | 三菱電機株式会社 | 空気調和装置 |
US10222804B2 (en) | 2016-10-21 | 2019-03-05 | Ford Global Technologies, Llc | Inertial reference for TBA speed limiting |
US10710585B2 (en) | 2017-09-01 | 2020-07-14 | Ford Global Technologies, Llc | Trailer backup assist system with predictive hitch angle functionality |
US11077795B2 (en) | 2018-11-26 | 2021-08-03 | Ford Global Technologies, Llc | Trailer angle detection using end-to-end learning |
US10829046B2 (en) | 2019-03-06 | 2020-11-10 | Ford Global Technologies, Llc | Trailer angle detection using end-to-end learning |
CN110440406B (zh) * | 2019-08-05 | 2020-12-11 | 珠海格力电器股份有限公司 | 一种风机控制方法、装置及机组设备 |
WO2023145016A1 (ja) * | 2022-01-28 | 2023-08-03 | 三菱電機株式会社 | 診断装置およびそれを有する冷凍サイクル装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0886489A (ja) * | 1994-09-16 | 1996-04-02 | Toshiba Corp | 空気調和装置 |
JP2002022245A (ja) * | 2000-07-13 | 2002-01-23 | Daikin Ind Ltd | 空調システム |
JP2003269772A (ja) * | 2002-03-13 | 2003-09-25 | Sanyo Electric Co Ltd | 冷凍装置、空気調和装置及びそれらの制御方法 |
JP2007033003A (ja) * | 2005-07-29 | 2007-02-08 | Fujitsu General Ltd | ファンコンベクタ |
JP2014129925A (ja) * | 2012-12-28 | 2014-07-10 | Mitsubishi Electric Corp | 空気調和装置 |
-
2015
- 2015-04-24 JP JP2017513925A patent/JP6385568B2/ja active Active
- 2015-04-24 GB GB1711575.9A patent/GB2553422B/en active Active
- 2015-04-24 WO PCT/JP2015/062476 patent/WO2016170668A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0886489A (ja) * | 1994-09-16 | 1996-04-02 | Toshiba Corp | 空気調和装置 |
JP2002022245A (ja) * | 2000-07-13 | 2002-01-23 | Daikin Ind Ltd | 空調システム |
JP2003269772A (ja) * | 2002-03-13 | 2003-09-25 | Sanyo Electric Co Ltd | 冷凍装置、空気調和装置及びそれらの制御方法 |
JP2007033003A (ja) * | 2005-07-29 | 2007-02-08 | Fujitsu General Ltd | ファンコンベクタ |
JP2014129925A (ja) * | 2012-12-28 | 2014-07-10 | Mitsubishi Electric Corp | 空気調和装置 |
Also Published As
Publication number | Publication date |
---|---|
GB2553422A (en) | 2018-03-07 |
WO2016170668A1 (ja) | 2016-10-27 |
GB2553422B (en) | 2020-08-19 |
JP6385568B2 (ja) | 2018-09-05 |
GB201711575D0 (en) | 2017-08-30 |
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