WO2010143185A1 - Procédé, système et appareil s'utilisant avec un système de chauffage d'eau commun - Google Patents

Procédé, système et appareil s'utilisant avec un système de chauffage d'eau commun Download PDF

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Publication number
WO2010143185A1
WO2010143185A1 PCT/IL2010/000450 IL2010000450W WO2010143185A1 WO 2010143185 A1 WO2010143185 A1 WO 2010143185A1 IL 2010000450 W IL2010000450 W IL 2010000450W WO 2010143185 A1 WO2010143185 A1 WO 2010143185A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
state
pwhs
temperature
thermistors
Prior art date
Application number
PCT/IL2010/000450
Other languages
English (en)
Inventor
Michael Elis
Yigal Staroselsky
Original Assignee
Michael Elis
Yigal Staroselsky
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 Michael Elis, Yigal Staroselsky filed Critical Michael Elis
Publication of WO2010143185A1 publication Critical patent/WO2010143185A1/fr
Priority to IL216788A priority Critical patent/IL216788A0/en
Priority to US13/314,884 priority patent/US20120285441A1/en

Links

Classifications

    • 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
    • F24D19/1042—Arrangement or mounting of control or safety devices for water heating systems for central heating the system uses solar energy
    • 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
    • F24D11/00—Central heating systems using heat accumulated in storage masses
    • F24D11/002—Central heating systems using heat accumulated in storage masses water heating system
    • F24D11/003—Central heating systems using heat accumulated in storage masses water heating system combined with 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

Definitions

  • the present invention describe a method, system and apparatus for usage with a common water heating system, wherein, the present invention method, system and apparatus is applied for a Water Heating (WH) systems, when the system is a system that serves for example, a multiple individual clients' water tanks and 10 reservoirs, wherein those water tank reservoirs are connected to the Common Water Heating Source (CWHS), and that CWHS is shared by those individuals, wherein, some of those clients can have an additional Private Water Heating Source (PWHS) which is used to heat water in clients water tank reservoirs in cases where 15 the CWHS is insufficient or does not apply.
  • WH Water Heating
  • WH Water Heating
  • SWH Solar Water Heating
  • SR Solar Receptor
  • an example of one embodiment of the present invention is the widespread common single-stage 5 installations in which the CWHS consists of a centrally shared singularity or plurality of Solar Thermal Collectors (STC), which are normally placed on a shared housing roof and deliver heating to water which circulates by pumping through (commonly spiral heat exchangers in) Private Water Tanks (PWT), each belongs to a 10 single housing unit and which can be additionally or alternatively heated using personal water heating source (PWHS) which are either integrated into the PWT (as in the majority of installations in Israel for example) or concatenated after the PWT and is sometimes referred to as a "backup" water heating system (as in 15 the majority of installations in Southern California for example).
  • PWHS personal water heating source
  • PWHT Privately Heated Water Tank
  • the temperature difference between the PHWTs solar circuit inlet and outlet is being read, and the final state of the valve 15 is set to open (released/on) only if the PWHS is switched off (or does not apply) and the inlet temperature is higher than the outlet temperature, otherwise the valve is shut (closed/off).
  • the final state of the valve 15 is set to open (released/on) only if the PWHS is switched off (or does not apply) and the inlet temperature is higher than the outlet temperature, otherwise the valve is shut (closed/off).
  • a minimal flow in the solar circuit is kept. It is interesting to note that when the pump is idle, the thermo-siphoning effect will cause the outlet to be warmer than the inlet, and so the valve will be shut and the logic kept intact.
  • the method, system and apparatus for usage with a common water heating source such as solar collectors, that are connected to the Private Water Tanks (PWT), and to enable, or disable the connection of such Private Water Tanks (PWT) from the common heating source and system, wherein, the 10 disconnecting of the Private Water Tanks (PWT) from the Common Water Heating Source (CWHS) designated to enable the Private Water Tanks (PWT), from being influenced by the common system, effectively enabling a client installation in such a common system to operate as if it was an independent stand alone system, 15 with the benefit of minimizing energy dissipation out to the common system.
  • the system incorporates a micro controller with three main inputs and one main output.
  • the Inputs comprised: 1. the on/off state of the PWHS (set to 'off 1 when is not applicable) 2. The temperature of the tank's solar circuit's inlet 3. The temperature of the tank's solar circuit's 5 outlet.
  • the PWHS's on/off state is logical, and can be related either to the user control as in a physical on/off switch (thus using a dry contact), to the built-in thermostat state actual heating on/off (thus using a high voltage relay or an optocoupler) or to another given threshold value or state (thus using control over an io A2D input).
  • the temperatures are being sensed using thermistors fed to inputs. It is also possible to set the minimum delta-T of the inlet above the outlet to be considered “higher”. It is possible to replace 15 the thermistors with fixed resistors or software to bypass temperature reading and correlate only to the PWHS state. It is possible to set software minimum temperatures for activation. In a fallback case where both thermistors indicate a value below minimum (both cold) - the valve is closed, when both indicate a value above maximum (both hot) - the valve is opened (unless the PWHS is on). When one of the thermistors is invalid (or any other total control fail) - the valve is set to a predefined state (commonly opened).
  • the Output is controlling the valve's state.
  • the valve control can be traditionally implemented using a standard 2-way actuated motorized, solenoid or other electromechanically controlled valve.
  • actuated 5v motorized 10 edge-auto-stopping valve using 3 wires it is simple to use two TTL outputs, one for commencing open, one for close. If monitoring of motor state is needed, electrical current or voltage from the relevant wire(s) can be fed into the controller's input.
  • This invention relates to method, system and apparatus for usage with a common water heating system and in particular to enable, or disable the connection of such Private Water Tanks (PWT) and personal water heating source (PWHS), from the common water heating source and system, and effectively enabled them to act as 10 an independent and not influenced from the optional connection to common water heating source system.
  • PWT Private Water Tanks
  • PWHS personal water heating source
  • a PHWT In a 5 substantial number of locations that are subject to seasonal differences, or during a malfunction, or simply when the heating rate might not be enough to satisfy demand, a PHWT is being used rather than just a PWT.
  • the (open) in-house circuit is formed by the other inlet being connected or forked from the housing cold water mains and the other outlet being connected to the housing hot water mains (which is eventually where the housing unit's hot water supply comes from).
  • PWT/PHWT Private Water Tanks
  • This invention relates to method, system and apparatus that enables controlling upon the automated optimized connection and 15 disconnection of a Private Water Tanks (PWT/PHWT) from/to the common water heating source system, enabling the private installations to be connected to the solar circuit or disconnected from it, in which it either preserves its energy and/or gets further energy from its independed backup energy source, disabling the 20 connecting of such common water heating source and system, from the Private Water Tanks (PWT), and personal water heating source (PWHS), and enabled them as an in depended system, not influenced from the optional connection to the common water heating source and system.
  • PWT/PHWT Private Water Tanks
  • PWHS personal water heating source
  • an automatic operational system controlling the connection to the common water heating source and system such as a sun collectors (SWH), that is a system that connected to a plurality of 10 an individual water reservoirs, that optionally have a backup source of energy, and enables, or disables the connection or the disconnection of the individual water reservoir to/from such common water heating source and system, enabling the individual reservoir (water tank) to be an independent system from the 15 common water heating source system, and not to be influenced from undesirable influence from that common system, wherein the system comprising: a. a micro controller with three main inputs and one main output. Inputs:
  • the PWHS's on/off state is logical, and can be related either to the user control as in a physical on/off switch (thus using a dry contact), to the built-in thermostat state actual heating on/off io (thus using a high voltage relay or an optocoupler) or to another given threshold value or state (thus using control over an A2D input).
  • temperatures are being sensed using thermistors fed to 15 A2D inputs. It is also possible to set the minimum delta-T of the inlet above the outlet to be considered “higher”. It is possible to replace the thermistors with fixed resistors or software to bypass temperature reading and correlate only to the PWHS state. It is possible to set software minimum temperatures for activation. In a fallback case where both thermistors indicate a value below minimum (both cold) - the valve is closed, when both indicate a value above maximum (both hot) - the valve is opened (unless the PWHS is on). When one of the thermistors is invalid (or any other 5 total control fail) - the valve is set to a predefined state (commonly opened).
  • the output is controlling the valve's state.
  • the valve control can 10 be traditionally implemented using a standard 2-way actuated motorized, solenoid or other electromechanically controlled valve.
  • actuated 5v motorized edge-auto- stopping valve using 3 wires it is simple to use two TTL outputs, one for commencing open, one for close. If monitoring of motor 15 state is needed, electrical current or voltage from the relevant wire(s) can be fed into the controller's input.
  • a Constant Minimal Solar Circuit Flow must be maintained when the valve is closed in order to keep reading temperature, thus: 1. Using a bypass pipe over the valve.
  • the bypass pipe's passage is very narrow and allows only a miniscule amount of fluid to flow. It is also possible to have a T-pipe bypass arrangement to have one of the thermistors embedded into it.
  • valve slightly 5 opened (for example, by letting it shut completely then shortly open it).
  • This invention relates to Method, system and apparatus for 15 controlling a common water heating source system, such as a sun collectors (SWH), that are system that connected to the individual water tanks, and to enable, or disable the connection from/to such common water heating source and system, by blocking it or letting it pass through the individual water reservoir, wherein, the disconnecting of the individual reservoir (water tank) from the Common Water Heating Source (CWHS) designated to enable the Private Water Tanks (PWT) to operate and maintain their energy to 5 the benefit of the individual reservoir (water tank), virtually eliminating unnecessary energy dissipation out to the common system.
  • CWHS Common Water Heating Source
  • Fig 1 is a schematic illustrating of the Method, system and apparatus for controlling common water heating source system 10
  • Fig 1 is an illustration of one embodiment of the present invention, illustrating a schematic illustrating of the Method, system and apparatus for controlling common water heating source system 15
  • the current invention and its application first come to alleviate the inherent flaw of heat dissipation and optimally solve this issue by basically automating the process of changing the valve's state in 20 inverse relation to the state of private heating (when applicable), i.e. basically when the private heating is switched on - the solar outlet valve is being shut (closed/off), and when the PWHS is switched off - the solar outlet valve is being released (opened/on).
  • the temperature difference between the PHWTs solar circuit inlet and outlet is being read, and the final state of the valve is set to open (released/on) only if the PWHS is switched off and the inlet temperature is higher than the outlet temperature, otherwise the valve is shut (closed/off).
  • a minimal flow in the solar circuit is kept. It is interesting to note that when the pump is idle, the thermo-siphoning effect will cause the outlet to be warmer than the inlet, and so the valve will be shut and the logic kept intact.
  • the PWHS's on/off state is logical, and can be related either to the user control as in a physical on/off switch (thus using a dry contact), to the built-in thermostat state actual heating on/off io (thus using a high voltage relay or an optocoupler) or to another given threshold value or state (thus using control over an A2D input).
  • Temperatures are being sensed using thermistors fed to A2D inputs. It is also possible to set the minimum delta-T of the inlet 15 above the outlet to be considered “higher”. It is possible to replace the thermistors with fixed resistors or software to bypass temperature reading and correlate only to the PWHS state. It is possible to set software minimum temperatures for activation. In a fallback case where both thermistors indicate a value below minimum (both cold) - the valve is closed, when both indicate a value above maximum (both hot) - the valve is opened (unless the PWHS is on). When one of the thermistors is invalid (or any other total control fail) - the valve is set to a predefined state (commonly 5 opened). Output:
  • the output is controlling the valve's state.
  • the valve control can be traditionally implemented using a standard 2-way actuated motorized, solenoid or other electromechanically controlled valve. 10
  • actuated 5v motorized edge-auto- stopping valve using 3 wires it is simple to use two TTL outputs, one for commencing open, one for close. If monitoring of motor state is needed, electrical current or voltage from the relevant wire(s) can be fed into the controller's input. 15
  • bypass pipe over the valve.
  • the bypass pipe's passage is very narrow and allows only a miniscule amount of fluid to flow. It is also possible to have a T-pipe bypass 5 arrangement to have one of the thermistors embedded into it.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (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

La présente invention concerne un procédé, un système et un appareil destinés à commander une source et un système de chauffage d'eau communs. La présente invention s'applique à un système de chauffage d'eau (WH), lorsque ce système est un système desservant, par exemple, de multiples réservoirs d'eau pour clients individuels, ces réservoirs d'eau étant raccordés à une source de chauffage d'eau commune (CWHS), ladite CWHS étant partagée par des clients individuels, dont au moins une partie possède une source de chauffage d'eau privée (PWHS) additionnelle utilisée pour chauffer l'eau dans les réservoirs d'eau pour clients lorsque la CWHS est insuffisante ou ne fonctionne pas. La présente invention et son application permettent d'abord d'atténuer ce problème et, idéalement, de le résoudre, notamment par automatisation du processus de changement de l'état de la vanne en relation inverse à l'état du chauffage privé, en particulier lorsque le chauffage privé est allumé (la vanne de sortie solaire est fermée), et lorsque la PWHS est éteinte (la vanne de sortie solaire est libérée ou ouverte). En outre, la présente invention permet de rétablir ou d'interrompre le raccordement entre la source et du système de chauffage d'eau communs et les réservoirs d'eau privés (PWT) et la source de chauffage d'eau personnelle (PWHS), et permet leur utilisation en tant qu'installation indépendante et autonome par rapport au raccordement éventuel à la source et au système de chauffage d'eau communs.
PCT/IL2010/000450 2009-06-08 2010-06-08 Procédé, système et appareil s'utilisant avec un système de chauffage d'eau commun WO2010143185A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IL216788A IL216788A0 (en) 2009-06-08 2011-12-06 Method system and appartus for usage with a common water heating system
US13/314,884 US20120285441A1 (en) 2009-06-08 2011-12-08 Method, system and apparatus for usage with a common water heating system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US18484509P 2009-06-08 2009-06-08
US61/184,845 2009-06-08

Publications (1)

Publication Number Publication Date
WO2010143185A1 true WO2010143185A1 (fr) 2010-12-16

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140202451A1 (en) * 2013-01-24 2014-07-24 Ohad Rubinstein Solar Switching System
EP4010636A4 (fr) * 2019-08-08 2023-11-29 Sowillo Energy Ltd Gestion de chaleur intégrée pour un bâtiment

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4180209A (en) * 1977-09-28 1979-12-25 Owens-Illinois, Inc. Solar energy operated system and method
US4232655A (en) * 1978-06-26 1980-11-11 Owens-Illinois, Inc. Solar energy collection
US5275014A (en) * 1990-09-06 1994-01-04 Solomon Fred D Heat pump system
US20040267385A1 (en) * 2003-06-27 2004-12-30 Hx Lifespace, Inc. Building automation system
US20080216986A1 (en) * 2007-03-05 2008-09-11 Taco, Inc. Solar Heating Systems

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4180209A (en) * 1977-09-28 1979-12-25 Owens-Illinois, Inc. Solar energy operated system and method
US4232655A (en) * 1978-06-26 1980-11-11 Owens-Illinois, Inc. Solar energy collection
US5275014A (en) * 1990-09-06 1994-01-04 Solomon Fred D Heat pump system
US20040267385A1 (en) * 2003-06-27 2004-12-30 Hx Lifespace, Inc. Building automation system
US20080216986A1 (en) * 2007-03-05 2008-09-11 Taco, Inc. Solar Heating Systems

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140202451A1 (en) * 2013-01-24 2014-07-24 Ohad Rubinstein Solar Switching System
US9903611B2 (en) 2013-01-24 2018-02-27 Ohad Rubinstein Solar switching system
EP4010636A4 (fr) * 2019-08-08 2023-11-29 Sowillo Energy Ltd Gestion de chaleur intégrée pour un bâtiment

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