TASK4 OVERVIEW JAPAN NATIONAL TEAM · TASK4 OVERVIEW JAPAN NATIONAL TEAM, 2016, 02, 11 END-USER...
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TASK4 OVERVIEW JAPAN NATIONAL TEAM
2016.02.11 WASEDA University
Kiyoshi Saito
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TASK4 OVERVIEW JAPAN NATIONAL TEAM, 2016, 02, 11
CONTENTS FOR TASK4
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• Goal • Scope • Questions Contents of R&D of DHW for country report • History of development • System technologies • Component technologies • Refrigerant
• End-user focused technologies • Installer focused technologies • Water quality management technologies • Smart technologies
• Other supportive technologies • Big public projects • Funding support
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TASK4 OVERVIEW JAPAN NATIONAL TEAM, 2016, 02, 11
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GOAL
• Share knowledges of state of the art technologies • Share knowledges to predict future technologies In this case, we have to consider Cost Size Efficiency Common or special technologies? for situation of each country
• Share some other supportive technologies or financial supports to develop of DHW
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TASK4 OVERVIEW JAPAN NATIONAL TEAM, 2016, 02, 11
SCOPE
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For heat pump technology itself • From elemental to system technologies • From conventional to future technologies
For total hot water supply system
• Including end-user focused technologies • Including installer focused technologies • Water quality management technologies • Smart technologies
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TASK4 OVERVIEW JAPAN NATIONAL TEAM, 2016, 02, 11
QUESTION ABOUT CONTENTS
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• Are there anything -custom or climate- to restrict the system development?
• What is suitable size and capacity for each country
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TASK4 OVERVIEW JAPAN NATIONAL TEAM, 2016, 02, 11
HISTORY OF R&D
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In Japan,
1986: Development of two stage compression system-Refrigerant was Freon
1995: Research on CO2 refrigerant system started
2001: CO2 refrigerant heat pump system started to be put on market
2013: 4 million systems CO2 refrigerant heat pump systems were in market
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TASK4 OVERVIEW JAPAN NATIONAL TEAM, 2016, 02, 11
SYSTEM TECHNOLOGIES
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Main system configuration In Japan, Most of water heater heat pump system consists of heat pump and thermal storage tank System is clasiffied by tank size
Manufactures • CHOFU • CORONA • Daikin • Denso • Hitachi • Mitsubishi • Panasonic • Toshiba
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TASK4 OVERVIEW JAPAN NATIONAL TEAM, 2016, 02, 11
SYSTEM TECHNOLOGIES
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TASK4 OVERVIEW JAPAN NATIONAL TEAM, 2016, 02, 11
SYSTEM TECHNOLOGIES
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Smaller type
177L 370L Difference
Width 430㎜ 630㎜ ▲200㎜
Depth 630㎜ 760㎜ ▲130㎜
Wight 53㎏ 68㎏ ▲ 15㎏
■Size, weight
About 22% lighter
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TASK4 OVERVIEW JAPAN NATIONAL TEAM, 2016, 02, 11
SYSTEM TECHNOLOGIES
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エコキュートの薄型タイプを貯湯タンクユニット寸法業界最薄「奥行寸法430mm」で開発。 ターゲットを「都市部狭小地」とし、薄さにとことんこだわりました。
<Installation image>
Thin type unit whose depth is 430mm Since Japanese house is very small, we have to make system smaller
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TASK4 OVERVIEW JAPAN NATIONAL TEAM, 2016, 02, 11
COMPONENT TECHNOLOGIES
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A C B
CO2-水 熱交換器 2003年
モデル~
メーカー
圧縮機
多くの メーカーに OEM
二段圧縮式 (中間圧 はケース内に)
スイング式 (シールは面接触)
スクロール式 (+効率 向上に エジェクタ)
初号機は キャピラリーチューブ の束を水チャンエル が囲む方式
水配管に 冷媒配管 を埋込み
水配管に冷媒配管を巻き付け
D
冷媒配管
水配管(ツイスト管)
ロータリー式CO2圧縮機
ポキポキ モータ
広げた鉄心にコイルを巻いてから丸める
(高密度で整列巻を容易に)
Compressor & Heat exchanger
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TASK4 OVERVIEW JAPAN NATIONAL TEAM, 2016, 02, 11
COMPONENT TECHNOLOGIES
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VIP
EPS Type Insulator
Normal EPS
Premium EPS+VIP+EPS
Triple layer with EPS and VIP
内側のEPSとその周辺を覆うVIPのイメージです。 実際にはさらにその外側にEPSがあり、三重構造となっています。
■Image
※VIP: Vacuum Insulation Panel EPS: Expanded Poly-Styrene
Thermal storage
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TASK4 OVERVIEW JAPAN NATIONAL TEAM, 2016, 02, 11
REFRIGERANT
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In Japan, • Refrigerant of most of DHW is CO2
• Recently, R32 system has been just put on market
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Multi function type Water supply + floor heating + air-conditioner
Floor heating
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約0.01ミリの マイクロバブル
花王株式会社との共同検証
三菱は花王バブが使えます。 ホットあわーとも、相性バツグン!
×
浴槽内にも当社独自のマイクロバブルで快適バスタイム
【快適性向上~ラッセル円環図】
ホットあわー入浴を実施すると、さら湯と比較し 湯上り後の快適感が持続!
【評価手法】入浴前を基準とした気分の変化をLikert法に基づくアン
ケート結果から得点として数値化。本データより2つの評価軸を抽出して心理学者ラッセルの感情円環モデルに当てはめて解釈し、マイクロバブルあり・なしで比較
関西学院大学 長田典子教授との 共同研究による。
In the DHW system, some bubble generates This gives the comfortableness
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Color monitor indicates water usage in a week, some advice for energy saving and so on.
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Tablet can be used to control DHW system
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INSTALLER FOCUSED TECHNOLOGIES
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Piping of hot water is easy to connect because space between each piping is wider
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TASK4 OVERVIEW JAPAN NATIONAL TEAM, 2016, 02, 11
WATER QUALITY MANAGEMENT TECH.
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マイクロバブル (直径0.1ミリ=100㎛以下)
■バブルおそうじの原理(イメージ) 通常の気泡 マイクロバブル
〈バブル注水洗浄〉
〈バブル循環洗浄〉
マイクロバブルのW配管洗浄
バブルおそうじとは?
■マイクロバブル(イメージ)
入浴後お風呂の栓を ポンッ!と抜くだけで、 本体が浴槽内の水位 変化を感知し、自動で 洗浄が始まります。
Bubble cleans up piping between heat pump and bathtub
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TASK4 OVERVIEW JAPAN NATIONAL TEAM, 2016, 02, 11
SMART TECHNOLOGIES
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HEMS controller controls heat pump, air-conditioner, water heat and so on simultaneously - 16 systems can be connected -.
三菱 HEMS
快適を つくる
省エネを すすめる
みんなが 使える
業界最多の 16機種連結 が可能!
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OTHER SUPPORTIVE TECH.
Exp.
Cond.
Accum.
Comp.
Eva.
Controller
Simulation technologies
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TASK4 OVERVIEW JAPAN NATIONAL TEAM, 2016, 02, 11
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デモンストレーション
OTHER SUPPORTIVE TECH. Simulation technologies- Energy flow +M
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PUBLIC SUPPORTS FOR R&D
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NEDO (Governmental) Project
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TASK4 OVERVIEW JAPAN NATIONAL TEAM, 2016, 02, 11
FINANCIAL SUBSIDY TO BUY H.P.
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From 2002 to 2010, we had subsidy for CO2 heat pump water heater. 1/2 of difference balance between conventional water heater and CO2 heat pump water heater.