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日本のヒートポンプ技術 Heat Pump Technology in Japan

日本のヒートポンプ技術 Heat Pump Technology in Japan. ターボ冷凍機 Centrifugal chiller 個別分散式氷蓄熱 Distributed air conditioner with ice-thermal storage ヒートポンプ給湯機 Heat pump water heater. 飛原英治 , 　東京大学 Eiji Hihara, University of Tokyo. 高効率ターボ冷凍機（三菱重工） Two stage centrifugal chiller by Mitsubishi Heavy Industries.

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日本のヒートポンプ技術 Heat Pump Technology in Japan

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  1. 日本のヒートポンプ技術Heat Pump Technology in Japan • ターボ冷凍機 • Centrifugal chiller • 個別分散式氷蓄熱 • Distributed air conditioner with ice-thermal storage • ヒートポンプ給湯機 • Heat pump water heater 飛原英治,　東京大学 Eiji Hihara, University of Tokyo

  2. 高効率ターボ冷凍機（三菱重工）Two stage centrifugal chiller by Mitsubishi Heavy Industries • Cooling capacity：230RT～4000RT • Refrigerant：R134a • Two stage economizer cycle with subcooling two compressors motor condenser evaporator economizer

  3. 高効率ターボ冷凍機（三菱重工）Two stage centrifugal chiller by Mitsubishi Heavy Industries COP • 定速度型 Constant speed type • 6.3 • (冷水12/7℃，冷却水32/37℃） • インバータ駆動型 Variable speed type • 17.8 • (冷水12/7℃，冷却水13/18℃）

  4. マイクロターボヒートポンプ（三菱重工）Two stage centrifugal heat pump by Mitsubishi Heavy Industries • インバータ駆動式 Variable speed compressor • 低損失高速圧縮機（40000rpm以上） • 散水式熱交換器採用

  5. マイクロターボヒートポンプ（三菱重工）Two stage centrifugal heat pump by Mitsubishi Heavy Industries

  6. 超高効率小型水冷スクリューチラー（神戸製鋼所）Ultra High Efficiency Water Cooled Semihermetic Screw Chiller by Kobe Steel • インバータ駆動能力可変半密閉ツインスクリュ圧縮機 Inverter driven semihermetic screw compressor • Cooling capacity：80～760RT • Refrigerant：R407E • 高効率ローレンツサイクル Lorenz cycle • 氷蓄熱システム可能 Ice-thermal storage system available • 熱回収システム可能 Thermal recovery system available

  7. 超高効率小型水冷スクリューチラー（神戸製鋼所）Ultra High Efficiency Water Cooled Semihermetic Screw Chiller by Kobe Steel COP • 全負荷時:Full load • 5.6 • 冷水出口7℃ • 冷却水入口30℃ • 部分負荷時（50%) Part load(50%) • 6.4 • 冷水出口7℃ • 冷却水入口30℃ • 部分負荷時（35%) Part load(35%) • 14 • 冷水出口7℃ • 冷却水入口13℃

  8. 空冷フレックスモジュールチラーAir cooled flexible module chiller by Toshiba Carrier • cooling capacity per unit: ２５RT • Combination of chilling units and heat pump units is available • Maximum capacity: 300RT • Temperature difference of chilled water is kept constant by an inverter driven pump • Reciprocating compressor • Refrigerant：R407C

  9. 空冷フレックスモジュールチラーAir cooled flexible module chiller by Toshiba Carrier (＊)IPLV：Integrated Part-Load Value の略部分負荷特性を加味した冷却運転時の効率値（米国冷凍空調工業会にて定めた規格「ARI550/590-1998」に準拠）

  10. 個別分散式氷蓄熱空調Distributed air conditioning system with ice-thermal storage ビル用マルチ型氷蓄熱 • 各フロアー毎に熱源機と氷蓄熱槽をユニット化 • 複数の室内ユニット • 中小ビルから大型ビルまで • 室内は冷媒配管 パッケージ型氷蓄熱 • ゾーン毎にパッケージエアコンと氷蓄熱槽をユニット化 • 中小ビル • 室内は冷媒配管 小型パッケージ型氷蓄熱 • パッケージエアコンと氷蓄熱槽をユニット化 • 小規模（80m2～200m2）店舗やビル • 室内は冷媒配管

  11. 冷房運転 Cooling operation Indoor units Outdoor unit Storage 蓄熱非利用冷房運転 Compressor Indoor units Outdoor unit Storage 蓄熱利用冷房運転 Compressor Outdoor unit Indoor units Storage 冷房蓄熱運転 Compressor

  12. 暖房運転 Heating operation Indoor units Outdoor unit Storage 暖房蓄熱運転 Compressor Outdoor unit Indoor units Storage 暖房運転 Compressor Outdoor unit Indoor units Storage 暖房蓄熱利用除霜運転 Compressor

  13. 70,000 60,000 50,000 台 10馬力未満 40,000 数 30,000 10馬力以上 20,000 10,000 0 95 96 97 98 99 00 01 02 03 04 年 氷蓄熱パッケージエアコン販売台数Number of Sales of packaged air conditioners with ice-thermal storage

  14. 容量(MWh) 10,000 8,000 6,000 4,000 2,000 0 95 96 97 98 99 00 01 02 03 04 年 氷蓄熱パッケージエアコン容量の推移Trend of capacity of packaged air conditioners with cold thermal energy storage

  15. 氷蓄熱ビル用マルチエアコンのCOP推移Trend of COP of multiple split air conditioners with cold thermal storage ５６ｋＷ機 　５０Ｈｚ値 日量蓄熱利用冷房効率（ＣＯＰ） ４．０ ３．５４ ３．２４ ２．９８ ３．０ ２．７３ ２．２８ ２．０ １．０ 冷媒Ｒ２２機 Ｒ４０７Ｃ機 Ｒ４１０Ａ機 日量蓄熱利用冷房効率とは一日の冷房能力積算値を消費電力量（蓄熱時＋冷房時）で除した値 ００年 ０１年 ０２年 ０３年 ０４年 ０５年 ９９年

  16. 氷蓄熱ビル用マルチエアコンの仕様例（ダイキン工業）Typical specification of multiple split air conditioners with cold thermal storage by Daikin Industries

  17. 家庭用ヒートポンプ給湯機Feature of residential HPWH • HPWH is operated in nighttime. • Electricity rate in nighttime is one forth of that in daytime. • Initial cost of HPWH is twice as high as combustion WH. • Additional initial cost will be recovered within 3 years. • Heating capacity: 4.5kW • Volume of storage tank: 370 liters Storage tank CO2 HP unit To house Tap water Basic diagram of HPWH

  18. 家庭用ヒートポンプ給湯機製造メーカManufacturers of heat pumps for domestic hot water heating

  19. Working fluid Carbon dioxide Type of compressor Hermetic scroll compressor with inverter driving DC motor Applicable electricity rate system Time-of-day lighting service Rating Power supply voltage Single-phase 200 V Heat pump capacity 4.5 kW Power consumption 0.99 kW*1, 0.99 kW*2, 1.50 kW*3 COP of heat pump unit 4.54*1, 4.54*2, 3.00*3 Hot water temperature at heat pump unit exit Automatically controlled in response to hot water consumption: 65 to 90°C Hot water storage capacity 370 liters Bath warming function Full-automatic heating function Maximum hot water pressure 170 kPa Noise in operation 38 dB Test condition Outside air temperature Tap water temperature Hot water temperature *1 Standard condition 16°C(DB)/12°C(WB) 17°C 65°C *2 Summer condition 25°C(DB)/21°C(WB) 24°C 65°C *3 Winter condition 7°C(DB)/4°C(WB) 9°C 65°C ヒートポンプ給湯機の仕様例（松下電器産業）Residential heat pump water heater by Matsushita Industries

  20. Air-to-water heat pumps for combined floor heating and domestic hot water heating • The market for air-to-water heat pumps for combined floor heating and domestic hot water heating is in the very beginning. • Presently there is no plan for the development of performance testing and rating procedures for this type of heat pumps. • Two commercial products in the market: • R410A system from TOSHIBA Electric Appliances Co. • CO2 system from DENSO Corp.

  21. Heat pump unit Hot water storage unit Mixing valve To bath and kitchen For floor heating Floor heating Compressor Hex for bath Heat gain Eva Hex Hex For water heating ExV For floor heating Tap water 給湯暖房兼用ヒートポンプ給湯機（東芝機器）Air-to-water heat pumps for combined floor heating and domestic hot water heating by TOSHIBA Electric Appliances Co.

  22. Working fluid R410A (900g) 給湯暖房兼用ヒートポンプ給湯機（東芝機器）Air-to-water heat pumps for combined floor heating and domestic hot water heating by TOSHIBA Electric Appliances Co. Type of compressor Hermetic twin rotary compressor with inverter operating DC motor Applicable electricity rate system Time-of-day lighting service Rating Power supply voltage Single-phase 200 V Heat pump capacity 4.5 kW*1, 4.5 kW*2, 7.0 kW*7 Power consumption 1.1 kW*1, 1.04 kW*2, 2.25 kW*7 COP of heat pump unit 4.1*1, 4.3*2, 2.5 for floor heating in winter Floor heating capacity 4.5 kW RO Area of floor for heating 20m2 Hot water temperature in storage Automatically controlled from 65 to 75°C Bath warming function Full-automatic heating function Hot water storage capacity 460 liters Noise in operation 40 dB Test condition Outside air temperature Tap water temperature Hot water temperature *1 Standard condition 16°C(DB)/12°C(WB) 17°C 65°C *2 Summer condition 25°C(DB)/21°C(WB) 24°C 65°C *7 Winter condition 7°C(DB)/6°C(WB) 9°C 80°C Combined water heating and floor heating operation

  23. Bathroom heating /drying unit Heat pump unit Hot water storage tank unit Compressor Mixing valve Electromagnetic valve Hot water supply, bath pump Heat absorption Heat ex. Hot water storage tank Heat ex. pump pump Floor heating panel Expansion valve pump Hex. for multifunctional system Pressure Reducing valve Tap water 給湯暖房兼用ヒートポンプ給湯機（デンソー）Air-to-water heat pumps for combined floor heating and domestic hot water heating by DENSO Corp.

  24. Working fluid Carbon dioxide Type of compressor Hermetic scroll compressor with inverter operating DC motor Applicable electricity rate system Time-of-day lighting service Rating Power supply voltage Single-phase 200 V Heat pump capacity 6.0 kW Power consumption 1.44 kW*1 COP of heat pump unit 4.17*1 Hot water temperature at heat pump unit exit Automatically controlled in response to hot water consumption: 65 to 90°C Hot water temperature at point of use Approximately from 35 to 50°C in 1°C intervals, and 60°C Bath warming function Full-automatic heating function Maximum hot water pressure 170 kPa Noise in operation 42 dB Heat pump unit 820mm(W)/300mm(D)/640mm(H) Dimensions Hot water storage unit 720mm(W)/800mm(D)/1890mm(H) for 460liters 690mm(W)/740mm(D)/1890mm(H) for 370liters Hot water storage capacity 460 liters/370 liters Test condition Outside air temperature Tap water temperature Hot water temperature *1 Standard condition 16°C(DB)/12°C(WB) 17°C 65°C 給湯暖房兼用ヒートポンプ給湯機（デンソー）Air-to-water heat pumps for combined floor heating and domestic hot water heating by DENSO Corp.

  25. 業務用ヒートポンプ給湯機製造メーカManufacturers of heat pumps for commercial hot water heating

  26. Working fluid R410A (1.4kg x 2) Type of compressor Two hermetic scroll compressors with inverter driving DC motors Applicable electricity rate system Meter-rate lighting service Rating Power supply voltage Single-phase 200 V Heat pump capacity 23.0 kW*4, 17.0 kW*5, 21.0 kW*6 Power consumption 5.0 kW*4, 3.0 kW*5, 5.4 kW*6 COP of heat pump unit 4.6*4, 5.67*5, 3.89*6, Hot water temperature in storage 60°C Bath warming function Full-automatic heating function Maximum hot water pressure 170 kPa Noise in operation 51 dB Dimensions Heat pump & storage unit 850mm(W)/450mm(D)/1900mm(H) Hot water storage capacity 90 liters Test condition Outside air temperature Tap water temperature Hot water temperature *4 Standard condition 16°C(DB)/12°C(WB) 17°C 42°C *5 Summer condition 25°C(DB)/21°C(WB) 24°C 42°C *6 Winter condition 7°C(DB)/6°C(WB) 9°C 42°C 業務用ヒートポンプ給湯機（日立ホーム＆ライフソリューション）Commercial heat pump water heater by Hitachi Home & Life Solutions

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