WO2007068031A1 - Chauffe-eau a circulation - Google Patents
Chauffe-eau a circulation Download PDFInfo
- Publication number
- WO2007068031A1 WO2007068031A1 PCT/AU2006/001801 AU2006001801W WO2007068031A1 WO 2007068031 A1 WO2007068031 A1 WO 2007068031A1 AU 2006001801 W AU2006001801 W AU 2006001801W WO 2007068031 A1 WO2007068031 A1 WO 2007068031A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- water
- temperature
- pump
- tank
- heating system
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 277
- 238000000034 method Methods 0.000 claims abstract description 21
- 239000008236 heating water Substances 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims description 95
- 239000013529 heat transfer fluid Substances 0.000 claims description 41
- 238000005485 electric heating Methods 0.000 claims description 5
- 230000000977 initiatory effect Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 238000009928 pasteurization Methods 0.000 description 3
- 238000013517 stratification Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 239000003570 air Substances 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
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
- 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
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1012—Arrangement or mounting of control or safety devices for water heating systems for central heating by regulating the speed of a 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
- F24H15/174—Supplying heated water with desired temperature or desired range of temperature
-
- 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
- F24H15/215—Temperature of the water before 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
- F24H15/219—Temperature of the water after 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
- F24H15/223—Temperature of the water in the water storage tank
- F24H15/225—Temperature of the water in the water storage tank at different heights of the tank
-
- 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
- F24H15/335—Control of pumps, e.g. on-off control
-
- 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
- F24D2200/00—Heat sources or energy sources
- F24D2200/08—Electric heater
-
- 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
- F24D2200/00—Heat sources or energy sources
- F24D2200/12—Heat pump
-
- 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
- F24D2200/00—Heat sources or energy sources
- F24D2200/14—Solar energy
-
- 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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
-
- 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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
-
- 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
Definitions
- the invention provides a system and method for operating a water heating system which uses a circulating pump to draw water from one level within the tank and returns it to a second level within the tank.
- the operation of the pump is controlled by a controller which is responsive to one or more temperature sensors.
- the controller can be programmed to perform one or more different types of heating cycle.
- the use of an array of temperature sensors which sense the temperature of the water at different levels within the tank enable the system to be used to heat a predetermined volume of water to within a predetermined temperature range.
- the controller may be programmed to periodically perform a pasteurization cycle where water in the tank is maintained at or above a pasteurization temperature for a predetermined time period.
- the controller can be responsive to one or jnore temperature sensors.
- the controller can be responsive to one of the sensors of the array to determine the temperature at a specified depth in the tank, and then the controller can use a heat source temperature sensor to determine the period and/or flow rate operating conditions of the water pump.
- a water heating system including: a water storage tank, a heat source, a water pump, one or more temperature sensors, and a controller responsive to at least one temperature sensor to control the operation of the pump.
- the temperature sensor can include an array of one or more temperature sensors located to sense the temperature of the water at one or more corresponding depths within the tank.
- the temperature sensor can include a heat source temperature sensor adapted to measure the temperature of the heated water leaving the heat source.
- the controller can control the flow rate of the pump.
- a diffuser can be included at the hot water inlet to the tank to provide a diffused flow into the tank.
- the system can be adapted to heat a chosen volume of water within the tank, by the provision of a plurality of temperature sensors at selected heights to measure the temperature of the water at corresponding heights within the tank.
- a water heater system including: a water storage tank; a heat source including a water path; a pump adapted to circulate water from the tank through the water path of the heat exchanger; a first temperature sensor adapted to measure the temperature of the water exiting from the heat exchanger; a controller controlling the rate of circulation through the water path in response to the temperature sensor.
- the heat source can include a solar collector.
- the pump can have a controllable flow rate.
- the sensors can include a strip array of temperature sensors.
- a further temperature sensor can be provided to measure the temperature of the water entering the heat source.
- the system can include a heat transfer fluid by-pass path.
- the heating element can be an electric element within the tank.
- Figure 3 shows a water heating system according to a third embodiment of the invention.
- the heat exchanger is a brazed plate heat exchanger having a cool water inlet header 438 and a warm water outlet header 436.
- a temperature sensor 428 measures the temperature of the water exiting the BPHE.
- the controller checks whether or not the heated water temperature is above an upper threshold value. If the temperature exceeds the upper threshold value, the controller energizes the water pump at step 612 so that the water in the tank is circulated.
- step 610 in the case where the water is not above the upper set point while the heating element is energized, the controller goes to step 614 and checks whether the water is above a lower set point. If the water temperature is not above the lower set point, the controller de-energizes the pump at step 616 so that the water above the heating element will heat more quickly.
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)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2006324367A AU2006324367B2 (en) | 2005-12-15 | 2006-11-29 | A circulating water heater |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2005907063A AU2005907063A0 (en) | 2005-12-15 | A circulating water heater | |
AU2005907063 | 2005-12-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007068031A1 true WO2007068031A1 (fr) | 2007-06-21 |
Family
ID=38162461
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AU2006/001801 WO2007068031A1 (fr) | 2005-12-15 | 2006-11-29 | Chauffe-eau a circulation |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2007068031A1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2261574A1 (fr) * | 2008-02-29 | 2010-12-15 | Hitachi Appliances, Inc. | Appareil à eau chaude de pompe à chaleur |
AU2012261603B2 (en) * | 2011-12-21 | 2014-02-27 | Rheem Australia Pty Limited | A Hot Water System Scavenging Method and Arrangement |
GB2623198A (en) * | 2023-10-11 | 2024-04-10 | Wrightsolar Ltd | Device for a hot water cylinder |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19617111A1 (de) * | 1995-04-26 | 1996-10-31 | Vaillant Joh Gmbh & Co | Wasserheizanlage |
DE19648652A1 (de) * | 1995-11-24 | 1997-05-28 | Vaillant Joh Gmbh & Co | Wasserheizeinrichtung mit einem Schichtenspeicher |
EP1069379A2 (fr) * | 1999-07-15 | 2001-01-17 | ERI Energie-Ressourcen Institut Forschungs- und Entwicklungs-GmbH | Installation pour capter de l' énergie calorifique, en particulier de l'énergie solaire, et procédé de commande pour cette installation |
DE10303830A1 (de) * | 2003-01-30 | 2004-08-12 | Böhringer, Volker | Zirkulationspumpenregelung ohne mechanischen Strömungsschalter |
US20050155364A1 (en) * | 2004-01-20 | 2005-07-21 | Julio Concha | Energy-efficient heat pump water heater |
WO2006096075A1 (fr) * | 2005-03-10 | 2006-09-14 | Hot Water Innovations Investments Limited | Contrôleur électronique |
-
2006
- 2006-11-29 WO PCT/AU2006/001801 patent/WO2007068031A1/fr active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19617111A1 (de) * | 1995-04-26 | 1996-10-31 | Vaillant Joh Gmbh & Co | Wasserheizanlage |
DE19648652A1 (de) * | 1995-11-24 | 1997-05-28 | Vaillant Joh Gmbh & Co | Wasserheizeinrichtung mit einem Schichtenspeicher |
EP1069379A2 (fr) * | 1999-07-15 | 2001-01-17 | ERI Energie-Ressourcen Institut Forschungs- und Entwicklungs-GmbH | Installation pour capter de l' énergie calorifique, en particulier de l'énergie solaire, et procédé de commande pour cette installation |
DE10303830A1 (de) * | 2003-01-30 | 2004-08-12 | Böhringer, Volker | Zirkulationspumpenregelung ohne mechanischen Strömungsschalter |
US20050155364A1 (en) * | 2004-01-20 | 2005-07-21 | Julio Concha | Energy-efficient heat pump water heater |
WO2006096075A1 (fr) * | 2005-03-10 | 2006-09-14 | Hot Water Innovations Investments Limited | Contrôleur électronique |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2261574A1 (fr) * | 2008-02-29 | 2010-12-15 | Hitachi Appliances, Inc. | Appareil à eau chaude de pompe à chaleur |
EP2261574A4 (fr) * | 2008-02-29 | 2012-08-29 | Hitachi Appliances Inc | Appareil à eau chaude de pompe à chaleur |
AU2012261603B2 (en) * | 2011-12-21 | 2014-02-27 | Rheem Australia Pty Limited | A Hot Water System Scavenging Method and Arrangement |
AU2012261603B9 (en) * | 2011-12-21 | 2014-03-20 | Rheem Australia Pty Limited | A Hot Water System Scavenging Method and Arrangement |
GB2623198A (en) * | 2023-10-11 | 2024-04-10 | Wrightsolar Ltd | Device for a hot water cylinder |
GB2623198B (en) * | 2023-10-11 | 2024-09-25 | Wrightsolar Ltd | Device for a hot water cylinder |
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