EP4249826A4 - HOT WATER SUPPLY SYSTEM - Google Patents

HOT WATER SUPPLY SYSTEM Download PDF

Info

Publication number
EP4249826A4
EP4249826A4 EP21915157.8A EP21915157A EP4249826A4 EP 4249826 A4 EP4249826 A4 EP 4249826A4 EP 21915157 A EP21915157 A EP 21915157A EP 4249826 A4 EP4249826 A4 EP 4249826A4
Authority
EP
European Patent Office
Prior art keywords
hot water
water supply
supply system
hot
water
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.)
Granted
Application number
EP21915157.8A
Other languages
German (de)
French (fr)
Other versions
EP4249826A1 (en
EP4249826B1 (en
Inventor
Hideho SAKAGUCHI
Tetsuya Okamoto
Masanori Ukibune
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daikin Industries Ltd
Original Assignee
Daikin Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of EP4249826A1 publication Critical patent/EP4249826A1/en
Publication of EP4249826A4 publication Critical patent/EP4249826A4/en
Application granted granted Critical
Publication of EP4249826B1 publication Critical patent/EP4249826B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/18—Water-storage heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D17/00—Domestic hot-water supply systems
    • F24D17/02—Domestic hot-water supply systems using heat pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1051—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water
    • F24D19/1054—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water the system uses a heat pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/10—Control of fluid heaters characterised by the purpose of the control
    • F24H15/172—Scheduling based on user demand, e.g. determining starting point of heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/212—Temperature of the water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/238—Flow rate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/375—Control of heat pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H4/00—Fluid heaters characterised by the use of heat pumps
    • F24H4/02—Water heaters
    • F24H4/04—Storage heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/08—Storage tanks

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
EP21915157.8A 2020-12-28 2021-12-21 Hot water supply system Active EP4249826B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020218484A JP7108210B2 (en) 2020-12-28 2020-12-28 hot water system
PCT/JP2021/047399 WO2022145297A1 (en) 2020-12-28 2021-12-21 Hot water supply system

Publications (3)

Publication Number Publication Date
EP4249826A1 EP4249826A1 (en) 2023-09-27
EP4249826A4 true EP4249826A4 (en) 2024-05-01
EP4249826B1 EP4249826B1 (en) 2025-05-14

Family

ID=82260443

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21915157.8A Active EP4249826B1 (en) 2020-12-28 2021-12-21 Hot water supply system

Country Status (7)

Country Link
US (1) US20230332801A1 (en)
EP (1) EP4249826B1 (en)
JP (2) JP7108210B2 (en)
CN (1) CN116710713A (en)
CA (1) CA3203244A1 (en)
ES (1) ES3032879T3 (en)
WO (1) WO2022145297A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20250383126A1 (en) * 2024-06-14 2025-12-18 Regal Beloit America, Inc. Hybrid water heater system and methods of use

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012097951A (en) * 2010-11-01 2012-05-24 Mitsubishi Electric Corp Control device, control system, control program and control method of water heater
JP2019113278A (en) * 2017-12-26 2019-07-11 株式会社ノーリツ Storage water heater
JP2019207058A (en) * 2018-05-29 2019-12-05 株式会社ノーリツ Storage water heater

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4148419B2 (en) 2004-12-28 2008-09-10 東京瓦斯株式会社 Cogeneration system and control method
CN100520190C (en) * 2007-09-29 2009-07-29 江苏天舒电器有限公司 Prediction and control method for dynamic energy-saving operation of heat pump hot water system
WO2011024311A1 (en) 2009-08-31 2011-03-03 株式会社 東芝 Hot-water supply apparatus
JP5595794B2 (en) * 2010-06-02 2014-09-24 関西電力株式会社 Hot water system
JP5507615B2 (en) * 2012-05-25 2014-05-28 大阪瓦斯株式会社 Cogeneration system
JP2014149094A (en) 2013-01-30 2014-08-21 Noritz Corp Hot water supply device
JP6052342B2 (en) 2015-06-10 2016-12-27 三菱電機株式会社 Hot water storage hot water supply system
JP6977332B2 (en) 2017-06-26 2021-12-08 株式会社ノーリツ Hot water storage and hot water supply device
JP7125001B2 (en) 2018-03-26 2022-08-24 株式会社ノーリツ Hot water storage water heater
JP7292081B2 (en) 2019-03-28 2023-06-16 大阪瓦斯株式会社 control system
CN110822724B (en) * 2019-12-03 2021-03-16 美的集团股份有限公司 Water heater water consumption prediction method and device, water heater and electronic equipment

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012097951A (en) * 2010-11-01 2012-05-24 Mitsubishi Electric Corp Control device, control system, control program and control method of water heater
JP2019113278A (en) * 2017-12-26 2019-07-11 株式会社ノーリツ Storage water heater
JP2019207058A (en) * 2018-05-29 2019-12-05 株式会社ノーリツ Storage water heater

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022145297A1 *

Also Published As

Publication number Publication date
JP2022103697A (en) 2022-07-08
ES3032879T3 (en) 2025-07-28
CA3203244A1 (en) 2022-07-07
JP2022137204A (en) 2022-09-21
JP7633534B2 (en) 2025-02-20
US20230332801A1 (en) 2023-10-19
CN116710713A (en) 2023-09-05
JP7108210B2 (en) 2022-07-28
WO2022145297A1 (en) 2022-07-07
EP4249826A1 (en) 2023-09-27
EP4249826B1 (en) 2025-05-14

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