WO2022269587A1 - Dispositifs modulaires entraînés par pompe à chaleur et procédés d'adaptation ultérieure pour systèmes de chauffe-eau domestique à thermosiphon - Google Patents

Dispositifs modulaires entraînés par pompe à chaleur et procédés d'adaptation ultérieure pour systèmes de chauffe-eau domestique à thermosiphon Download PDF

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Publication number
WO2022269587A1
WO2022269587A1 PCT/IL2021/050767 IL2021050767W WO2022269587A1 WO 2022269587 A1 WO2022269587 A1 WO 2022269587A1 IL 2021050767 W IL2021050767 W IL 2021050767W WO 2022269587 A1 WO2022269587 A1 WO 2022269587A1
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WO
WIPO (PCT)
Prior art keywords
water
connector
hot
heat
modular
Prior art date
Application number
PCT/IL2021/050767
Other languages
English (en)
Inventor
Samir Mohamad GANAYEM
Original Assignee
Chromagen Shaar Haamakim 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 Chromagen Shaar Haamakim Ltd filed Critical Chromagen Shaar Haamakim Ltd
Priority to PCT/IL2021/050767 priority Critical patent/WO2022269587A1/fr
Publication of WO2022269587A1 publication Critical patent/WO2022269587A1/fr

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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
    • 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
    • F24D17/00—Domestic hot-water supply systems
    • F24D17/0036—Domestic hot-water supply systems with combination of different kinds of heating means
    • F24D17/0063—Domestic hot-water supply systems with combination of different kinds of heating means solar energy and conventional heaters
    • F24D17/0068—Domestic hot-water supply systems with combination of different kinds of heating means solar energy and conventional heaters with accumulation of the heated 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
    • F24H15/30—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
    • F24H15/00—Control of fluid heaters
    • F24H15/40—Control of fluid heaters characterised by the type of controllers
    • F24H15/414—Control of fluid heaters characterised by the type of controllers using electronic processing, e.g. computer-based
    • 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
    • F24H15/40—Control of fluid heaters characterised by the type of controllers
    • F24H15/414—Control of fluid heaters characterised by the type of controllers using electronic processing, e.g. computer-based
    • F24H15/45—Control of fluid heaters characterised by the type of controllers using electronic processing, e.g. computer-based remotely accessible
    • F24H15/457—Control of fluid heaters characterised by the type of controllers using electronic processing, e.g. computer-based remotely accessible using telephone networks or Internet communication
    • 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
    • F24H9/00—Details
    • F24H9/02—Casings; Cover lids; Ornamental panels
    • 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
    • F24H9/00—Details
    • F24H9/12—Arrangements for connecting heaters to circulation pipes
    • F24H9/13—Arrangements for connecting heaters to circulation pipes for water heaters
    • F24H9/133—Storage heaters
    • 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
    • F24H9/00—Details
    • F24H9/14—Arrangements for connecting different sections, e.g. in water heaters 
    • F24H9/148—Arrangements of boiler components on a frame or within a casing to build the fluid heater, e.g. boiler
    • 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

Definitions

  • the present invention pertains to the art of thermodynamics and implementations of thermosiphonic water heater systems.
  • the invention relates to modular heat-pump driven devices, heat-pump’s controller computer readable storage media and methods for retrofitting thermosiphonic water heater systems, employed in domestic water heaters.
  • US7171972 discloses a thermal energy system comprising a heat exchanger for transferring thermal energy between a source and a load.
  • Heat exchanger in US7171972 having a primary side associated with the source, and a secondary side for conducting a fluid associated with the load, wherein the secondary side of the heat exchanger is passively back-flushed upon consumption of a portion of the fluid.
  • the Passive back-flushing in US7171972 prevents fouling of the heat exchanger due to sediments, scale, and mineral deposits which may be present in the circulating fluid.
  • W02012020404 discloses a water heating device, comprising a vaporizer for vaporizing refrigerant and a compressor for compressing them vaporized refrigerant
  • the device of W02012020404 also comprises a shell; such as a condenser and a volume reducing member positioned within the shell.
  • the member is configured in WO2012020404 to reduce the cross-section area of the volume in which water is heated in the shell.
  • the device of WO2012020404 may also contain a refrigerant coil positioned adjacent to the volume in which water is heated in the shell; the refrigerant coil contains a refrigerant material received from the compressor, said refrigerant material heats the water in the volume in which water is heated in the shell.
  • the invention was made in view of the objective of overcoming the deficiencies of the prior art and provides systems, methods and computer readable storage media for retrofitting thermosiphonic water heater systems with modular heat-pump driven devices.
  • thermosiphonic water heater system The above objective is accomplished by readily connecting a modular heatpump driven device to a thermosiphonic water heater system. Both the device and the heater system are modular, providing for ease of installation and deployment.
  • a computer readable storage medium for controlling the operation of modular heat-pump driven device.
  • an assembly of a modular retrofittable device comprising an encasement housing configured to accommodate constituents of the modular retrofittable device, a heatpump including: a condenser, an expansion valve, an evaporator and a compressor, an air fan a heat exchanger including: an enclosed thermally insulatable vessel a hot terminal comprising a heat exchanging element, thermally connectable to the condenser, a cold- water inlet and a hot-water outlet, a controller module configured to control at least operation of the heat-pump, a connector disposed at a terminal portion of the cold-water inlet and a connector disposed at a terminal portion of the hot-water outlet and a thermosiphonic water heater system including: an enclosed thermally insulated hot water storage container, configured to store hot water, at least one hot-water outlet, disposed at a top portion of the hot water storage container, connectable to a hot-water consumer, a hot-water in
  • the connector at the terminal portion of the hot-water outlet, of the heat exchanger is readily connectable to a terminal portion of the hot-water inlet, of the hot water storage container, whereas the connector at the terminal portion of the cold-water inlet, of the heat exchanger, is readily connectable to a terminal portion of the cold-water outlet, of the hot water storage container.
  • the modular retrofittable device and the thermosiphonic water heater system further comprises an electrical heater element and wherein the controller module is further connectable to and configured to control operation of the electrical heater element
  • the encasement housing of the modular retrofittable device is of a configuration matching to a configuration of the water storage container of the thermosiphonic water heater system.
  • the water storage container of the thermosiphonic water heater system is mountable onto the encasement housing of the modular retrofittable device.
  • the modular retrofittable device further comprises a connector readily connectable to the at least one hot-water outlet of the thermosiphonic water heater system and/or a connector readily connectable to the hot-water consumer and/or a connector readily connectable to the at least one cold-water inlet of the thermosiphonic water heater system and/or a connector readily connectable to the cold-water source.
  • the modular retrofittable device further comprises an electrical connector readily connectable to a power source and/or an electrical connector readily connectable to a power consumer.
  • the connectors are of at least one type selected from the group consisting of a rapid type connector, instant type connector, plug-in type connector and push-in type connector.
  • the modular heat-pump driven device configurable for retrofitting thermosiphonic water heater systems
  • the device comprises an encasement housing configured to accommodate constituents of the modular retrofittable device, a heat-pump including: a condenser, an expansion valve, an evaporator and a compressor, an air fan a heat exchanger including: an enclosed thermally insulatable vessel a hot terminal comprising a heat exchanging element, thermally connectable to the condenser, a cold-water inlet and a hot-water outlet, a controller module configured to control at least operation of the heat-pump, a connector disposed at a terminal portion of the cold-water inlet and a connector disposed at a terminal portion of the hot-water outlet, where the connector at the terminal portion of the hot-water outlet, of the heat exchanger, is readily connectable to a terminal portion of the hot-water inlet, of the hot water storage container, whereas the connector at the terminal portion of the cold
  • the encasement housing of the modular retrofittable device is of a configuration matching to a configuration of the water storage container of the thermosiphonic water heater system.
  • the water storage container of the thermosiphonic water heater system is mountable onto the encasement housing of the modular retrofittable device.
  • thermosiphonic water heater systems including providing the modular heat-pump driven device of the invention, connecting the connector at the terminal portion of the hot-water outlet, of the heat exchanger, to a terminal portion of a hot-water inlet, of a hot water storage container of a thermosiphonic water heater system and connecting the connector at the terminal portion of the cold-water inlet, of the heat exchanger, to a terminal portion of the cold-water outlet, of the hot water storage container of the thermosiphonic water heater system.
  • the method of retrofitting further comprising connecting the controller module to the electrical heater element and controlling operation of the electrical heater element.
  • the method of retrofitting further comprises mounting the water storage container of the thermosiphonic water heater system onto the encasement housing of the modular retrofittable device.
  • the method of retrofitting further comprises connecting the connector readily connectable to the at least one hot-water outlet of the thermosiphonic water heater system, to the at least one hot-water outlet of the thermosiphonic water heater system and/or connecting the connector readily connectable to the hot-water consumer, to the hot-water consumer and/or connecting the connector readily connectable to the at least one cold-water inlet of the thermosiphonic water heater system, to the at least one cold-water inlet of the thermosiphonic water heater system and/or connecting the connector readily connectable to the cold-water source, to the cold-water source.
  • the method of retrofitting further comprises connecting the electrical connector readily connectable to a power source, to the power source and/or connecting the electrical connector readily connectable to a power consumer, to the power consumer.
  • thermosiphon or thermosyphon as referred to herein is to be construed as including any method of passive heat exchange, based on natural convection, which circulates a fluid without the necessity of a mechanical pump.
  • Thermosiphon as referred to herein is used for circulation of liquids in heating applications such as water heaters and boilers. This circulation is typically conducted in a vertical closed-loop circuit with return to the original container. Its purpose is to simplify the transfer of liquid while avoiding the cost and complexity of a conventional pump.
  • passive- and/or thermosiphonic- and/or Mediterranean- and/or legacy-solar water heaters is to be construed as including any rooftop solar water heater employing passive or thermosiphonic circulation, which is conducted in a vertical closed-loop circuit with return to the original container, traditionally employing flat plate solar collectors.
  • passive- and/or thermosiphonic- and/or Mediterranean- and/or legacy-solar water heaters as referred to herein is to be construed particularly but not necessarily as including any solar water heater, where the hot water storage container does not include a heat exchanger but rather simple inlets and outlets, configured for hot and/or cold water to circulate therethrough.
  • retrofittable is to be construed as any external modular device that is readily connectable to passive or thermosiphonic water heater systems.
  • the term retrofittable should be construed inter alia as the device of the invention being readily connectable by electrical communication to the electric components of the passive or thermosiphonic water heater system and/or being readily connectable by hydraulic communication to the hot water storage container.
  • modular as referred to herein, should be construed as a stand-alone automated unit, enclosed in an encasement and readily connectable to a thermosiphonic water heater system.
  • modular inter alia means a standardized unit that may be conveniently installed or deployed without significant impact to the components of a thermosiphonic water heater system.
  • modular doesn’t necessarily means providing for ease of interchange or replacement
  • modular is optionally satisfied by providing for ease of at least onetime deployment or installation.
  • readily connectable should be construed as a standardized unit that may be conveniently connected to components of a thermosiphonic water heater system.
  • readily connectable doesn’t necessarily means readily disconnectable or removable.
  • readily connectable is optionally satisfied by providing for ease of at least onetime connection or coupling.
  • connector as referred to herein is to be construed as any standardized unit and/or device that facilitates readily and/or conveniently connecting pipes, tubes and/or hoses to components of a thermosiphonic water heater system.
  • the term connector doesn’t necessarily means that the unit and/or device facilitates readily disconnecting or removing pipes, tubes and/or hoses from the components of a thermosiphonic water heater system.
  • the term connector is optionally satisfied by providing any standardized unit and/or device that facilitates the ease of at least onetime connection or coupling, such as during the initial setup and/or installation.
  • fast connector as referred to herein is to be construed other than standard pipe joining used in installation of plumbing during constriction and/or permanent connectors, specifically excluding muffs with screw threading used in plumbing for connection of pipes terminating with screw threading and/or welding and/or soldering connection of pipes.
  • matching and/or matchable as referred to herein is to be construed as a cross-sectional area and/or shape of the encasement housing of the modular device of the invention is equal or essentially similar to a cross-sectional area and/or shape of the hot water storage container, so that the encasement is removably installable underneath the hot water storage container.
  • the "encasement housing of the device” and the “hot water storage container” need only to be similar in the cross- sectional areas and/or shapes, to satisfy the term matching/matchable, so long as the cross- sectional areas can be mated and the combined device and hot water storage container will fit into and/or occupy essentially the same lateral space, as the hot water storage container would alone.
  • heat pump as referred to herein is to be construed as including any device that transfers heat energy from a heat source to a heat sink, in the opposite direction of spontaneous heat transfer, by absorbing heat from a cold space and releasing it to a warmer one.
  • a heat pump uses external power to accomplish the work of transferring energy from the heat source to the heat sink.
  • the most common design of a heat pump involves four main components: a condenser, an expansion valve, an evaporator and a compressor, used to circulate the heat transfer medium called refrigerant through these components.
  • heat exchanger as referred to herein is to be construed as including any system configured to transfer heat between two fluids, in cooling or heating process.
  • the fluids in the heat exchanger are separated by a solid wall to prevent mixing or direct contact between the fluids.
  • thermal expansion valve or thermostatic expansion valve (often abbreviated as TEV, TXV, or TX valve) as referred to herein is to be construed as a metering device in heat-pump that controls the amount of refrigerant released into the evaporator, ensuring that the only phase in which the refrigerant leaves the evaporator is vapor.
  • thermal expansion valves are also optionally designed to ensure that a certain minimum flow of refrigerant can always flow through the system.
  • printed circuit board and/or acronym PCB should be construed as encompassing any type of a circuit board, not intended to limit to any particular board type or production technique, including inter alia non-printed circuit boards, device.
  • the term printed circuit board and/or acronym PCB particularly include any type of structure configured to mechanically support and/or electrically connect electric and electronic components, such as: Printed Wire Boards (PWB), Printed Circuit Assemblies (PCA), Printed Circuit Board Assemblies (PCBA), Circuit Card Assemblies (CCA), Flexible Circuit Boards (FCB), integrated circuits (IC), monolithic integrated circuits (often referred to as a chips or microchips), chipsets and etc.
  • PCB printed circuit board and/or acronym PCB optionally include embedded software, written to control machines or devices that are not typical computers.
  • embedded software is specialized for the particular hardware and sometimes used interchangeably with the term firmware.
  • firmware A characteristic of embedded software is that no or at least not all functions thereof are initiated and/or controlled via a human interface but rather through machine-interfaces instead.
  • server Whenever the terms "server”, “agent”, “system” or “module” is used herein, it should be construed as a computer program, including any portion or alternative thereof, e.g. script, command, application programing interface (API), graphical user interface (GUI), etc., and/or computational hardware components, such as logic devices and application integrated circuits, computer storage media, computer micro-processors and random access memory (RAM), a display, input devices and networking terminals, including configurations, assemblies or sub-assemblies thereof, as well as any combination of the former with the latter.
  • API application programing interface
  • GUI graphical user interface
  • computational hardware components such as logic devices and application integrated circuits, computer storage media, computer micro-processors and random access memory (RAM), a display, input devices and networking terminals, including configurations, assemblies or sub-assemblies thereof, as well as any combination of the former with the latter.
  • the term integrated shall be inter alia construed as - operable on the same machine and/or executed by the same computer program.
  • integration of agents and/or integration into modules as well as the terms “transfer”, “relaying”, “transmitting”, “forwarding”, “retrieving”, “accessing”, “pushed” or similar refer to any interaction between agents via methods inter alia including: function calling, Application Programming Interface (API), Inter-Process Communication (IPC), Remote Procedure Call (RPC) and/or communicating using of any standard or proprietary protocol, such as SMTP, IMAP, MAPI, OMA-IMPS, OMA-PAG, OMA-MWG, SIP/SIMPLE, XMPP, SMPP.
  • API Application Programming Interface
  • IPC Inter-Process Communication
  • RPC Remote Procedure Call
  • the term storage as referred to herein is to be construed as including one or more of volatile or non-volatile memory, hard drives, flash storage devices and/or optical storage devices, e.g. CDs, DVDs, etc.
  • the term "computer-readable media” as referred to herein can include transitory and non-transitory computer-readable instructions, whereas the term “computer-readable storage media” includes only non-transitory readable storage media and excludes any transitory instructions or signals.
  • the terms “computer-readable media” and “computer-readable storage media” encompass only a computer-readable media that can be considered a manufacture (i.e., article of manufacture) or a machine.
  • Computer-readable storage media includes "computer-readable storage devices". Examples of computer-readable storage devices include volatile storage media, such as RAM, and non-volatile storage media, such as hard drives, optical discs, and flash memory, among others.
  • the term network should be understood as encompassing any type of computer and/or data network, in a non-limiting manner including one or more intranets, extranets, local area networks (LAN), wide area networks (WAN), wireless networks (WIFI), the Interet, including the world wide web, and/or other arrangements for enabling communication between the computing devices, whether in real time or otherwise, e.g., via time shifting, cashing, batch processing, etc.
  • the term cellular network should be understood as encompassing any type of mobile telephony system and particularly cellular networks. Instances of mobile telephony systems inter alia include networks compliant with standards know in the art
  • notification and/or message refer to a communication provided by a notification system to a message recipient device.
  • a notification and/or message may be used to inform one or more recipient device, for example a notification and/or messages may be provided to the one or more recipient device, in a non-limiting manner using SMS texts, MMS texts, E-mail, Instant Messages, mobile device push notifications, HTTP requests, voice calls, telephone calls or alike, library function calls, API calls, URLs as well as any signals transferred, transmitted or relayed, as defined herein or any combination thereof.
  • the term “Internet of Things” or “loT” may be used by those in the network field to refer to uniquely identifiable objects (things) and their virtual representations in a network-based architecture.
  • the term “loT module” may refer to a computing device that has a particular intended functionality not of only connecting to computers and other network communicable devices, but also the ability to connect “objects” in general, such as lights, appliances, HVAC (heating, ventilating, and air- conditioning), windows, window shades, and blinds, doors, locks, etc.
  • FIG 1 A is an isometric view of a modular heat-pump device, showing an encasement housing thereof, controller panel, cold air outlet and two connectors, one at the terminal portion of cold-water inlet and the second is at the terminal portion of hot water outlet, in accordance with some embodiments of the present invention
  • FIG 1 B is a perspective back view of the modular heat-pump device, showing an encasement housing thereof, controller panel and cold air outlet, in accordance with some embodiments of the present invention
  • FIG 1C is an isometric view of the modular heat-pump device, where the encasement housing is hidden, showing: a condenser, evaporator, compressor, air fan, heat exchanger, controller panel, cold air outlet and two connectors, one at the terminal portion of cold-water inlet and the second is at the terminal portion of hot water outlet, in accordance with some embodiments of the present invention;
  • FIG 1D is a perspective back view of the modular heat-pump device, where the encasement housing is hidden, showing: the condenser, evaporator, compressor, air fan, heat exchanger, controller panel, cold air outlet and a connector at the terminal portion of cold-water inlet, in accordance with some embodiments of the present invention;
  • FIG 1 E is a perspective top view of the modular heat-pump device, where the encasement housing is hidden, showing: a condenser, evaporator, compressor, air fan, heat exchanger, expansion valve, controller panel, cold air outlet and two connectors, one at the terminal portion of cold-water inlet and the second is at the terminal portion of hot water outlet, in accordance with some embodiments of the present invention;
  • FIG 1 F is a perspective top view of the modular heat-pump device, where the enclosed thermally insulatable vessel of the heat exchanger is hidden, showing the coiled the hot terminal of the heat pump assembly, in accordance with some embodiments of the present invention
  • FIG 2A is an isometric view of an assembly of the modular heat-pump device and legacy domestic hot-water container, where the modular heat-pump device is matching the legacy domestic hot-water container and where the domestic hot-water container is mounted and/or installed on top of the modular heat-pump device, in accordance with other embodiments of the present invention
  • FIG 2B is an isometric view of an assembly of the modular heat-pump device and legacy domestic hot-water container, where the encasement housings of the hot-water container and heat-pump device are hidden, showing: a condenser, evaporator, compressor, air fan, heat exchanger, expansion valve, controller panel and two connectors, one at the terminal portion of cold-water inlet and the second is at the terminal portion of hot water outlet, in accordance with other embodiments of the present invention;
  • FIG 2C is an isometric view of the modular heat-pump device and legacy domestic hot-water container, where the encasement housing and top panel thereof are hidden, showing: a condenser, evaporator, compressor, air fan, heat exchanger, expansion valve, controller panel and two connectors, one at the terminal portion of cold-water inlet and the second is at the terminal portion of hot water outlet, in accordance with other embodiments of the present invention;
  • FIG 3 is a schematic diagram for an exemplary loT device
  • FIG 4 is a schematic block diagram of an exemplary computational device
  • FIG 5 is a plot of the temperature over time, in accordance with one working example of the present invention.
  • FIG 6 is a plot of the temperature over time, in accordance with a reference example of prior art solar collectors;
  • FIG 7 is a yield plot of the time over volume, in accordance with another working example of the present invention.
  • Modular heat-pump device 10 comprises encasement housing 20, which is typically shielded by sheet metal.
  • Encasement housing 20 is configured to accommodate and enclose constituents of modular heat-pump device 10.
  • encasement housing 20 comprises a cuboid or box resembling shape, which typically does not match the circular shape or profile of common water containers of legacy thermosiphonic water heater systems.
  • Modular heat-pump device 10 comprises a heat pump assembly, air fan 40, heat exchanger 50 and controller module 60.
  • Modular heat-pump device 10 further comprises cold-water connector 80 coupled to a terminal portion of cold-water inlet 56 of heat exchanger 50 and hot-water connector 70 coupled to a terminal portion of hot-water outlet 58 of heat exchanger 50.
  • Cold-water connector 80 and hot-water connector 70 are preferably of a rapid, instant plugin or push-in type, configured for readily connecting to a terminal portion of a hot-water inlet, of a hot water storage container and/or to a terminal portion of a cold-water outlet, of the hot water storage container. Examples of connectors of a rapid, instant plugin or push-in type are disclosed inter alia in Israeli patents Ser. No. 125899 and 127327, the content of which is incorporated in its entirety herein by this reference.
  • cold-water connector 80 and hot-water connector 70 are mounted onto the same panel of modular heat-pump device 10.
  • the heat pump assembly comprises compressor 38 configured to circulate the refrigerant, condenser 32 configured to condense the refrigerant from a gaseous form into a liquid form, expansion valve 34 configured to release pressure from the refrigerant thereby facilitating expansion thereof and evaporator 36 configured to evaporate a liquid refrigerant into a gaseous form.
  • Compressor 38, condenser 32, evaporator 36 and expansion valve 34 typically are standard components of small-scale domestic refrigeration systems.
  • Evaporator 36 is thermally coupled to and/or forming part of the cold terminal of the heat pump assembly.
  • Air fan 40 is further coupled to and/or forming part of the cold terminal of the heat pump assembly.
  • Air fan 40 is configured to convey ambient air relatively to evaporator 36 and/or the cold terminal of the heat pump assembly. Conveying ambient air relatively to evaporator 36 to and/or the cold terminal of the heat pump assembly is configured for convectively removing excessive cold from evaporator 36 and/or the cold terminal of the heat pump assembly into an ambient environment; thereby effectively heating-up evaporator 36 and/or the cold terminal of the heat pump assembly, by the thermal energy from the ambient environment
  • Modular heat-pump device 10 further comprises heat exchanger 50 comprising an enclosed thermally insulatable vessel 52.
  • Enclosed thermally insulatable vessel 52 of heat exchanger 50 accommodates the hot terminal of the heat pump assembly.
  • the hot terminal of the heat pump assembly is thermally coupled to and/or forming part of condenser 32.
  • Enclosed thermally insulatable vessel 52 of heat exchanger 50 is configured to convey cold water, from to a cold-water source (not shown) and/or to a cold-water outlet of a hot-water storage container (not shown), relatively to condenser 32 and/or the hot terminal of the heat pump assembly.
  • Conveying cold water relatively to evaporator 36 to and/or the hot terminal of the heat pump assembly is configured for convectively removing excessive heat from condenser 32 and/or the hot terminal of the heat pump assembly.
  • Enclosed thermally insulatable vessel 52 of heat exchanger 50 further comprises cold-water inlet 56.
  • Cold-water inlet 56 of enclosed thermally insulatable vessel 52 forms a continuum with the interior lumen of vessel 52.
  • Cold-water inlet 56 of enclosed thermally insulatable vessel 52 forms a continuum with cold-water connector 70, at a terminal portion of cold-water inlet 56.
  • Cold-water connector 70 is readily connectable to a cold-water source (not shown) and/or to a cold-water outlet of a hot-water storage container (not shown), of a passive thermosiphonic water heater system.
  • Enclosed thermally insulatable vessel 52 of heat exchanger 50 yet further comprises hot-water outlet 58.
  • Hot-water outlet 58 of enclosed thermally insulatable vessel 52 forms a continuum with the interior lumen of vessel 52.
  • Hot-water outlet 58 of enclosed thermally insulatable vessel 52 forms a continuum with hot-water connector 80, at a terminal portion of hot-water inlet 58.
  • Hot-water connector 80 is readily connectable to a hot-water consumer (not shown) and/or to a hot-water inlet of a hot-water storage container (not shown), of a passive thermosiphonic water heater system.
  • Modular heat-pump device 10 further comprises controller module 60.
  • controller module 60 comprises a printed circuit board (PCB), optionally including embedded software thereon.
  • controller module 60 comprises a programmable computational device.
  • Controller module 60 of modular heat-pump device 10 preferably further comprises a control panel.
  • Control panel of controller module 60 typically comprises a user interface (III) and preferably a graphic user interface (GUI).
  • Control panel of controller module 60 typically is configured for programming and/or setting various operational parameters of modular heat-pump device 10.
  • the hot-water storage container (not shown), of a passive thermosiphonic water heater system comprises an electrical heater element (not shown), configured for heating the water inside the hot-water storage container (not shown).
  • enclosed thermally insulatable vessel 52 of heat exchanger 50 of modular heat-pump device 10 comprises an electrical heater element (not shown), configured for heating the water inside enclosed thermally insulatable vessel 52.
  • thermosiphonic water heater system (not shown) and/or inside enclosed thermally insulatable vessel 52 of heat exchanger 50 of modular heat-pump device 10
  • an electrical heater element inside the hot-water storage container (not shown) of a passive thermosiphonic water heater system (not shown) and/or inside enclosed thermally insulatable vessel 52 of heat exchanger 50 of modular heat-pump device 10
  • Controller module 60 of modular heat-pump device 10 is configured to control at least operation of heat-pump 30.
  • controller module 60 of modular heat-pump device 10 is connectable to and configured to control the operation of the electric heater element (not shown), inside the hot-water storage container (not shown) and/or inside enclosed thermally insulatable vessel 52.
  • modular heat-pump device 10 optionally further comprises electrical connectors, configured for readily electrically connecting controller module 60 to the electric heater element (not shown), inside the hot-water storage container (not shown).
  • controller module 60 is connectable to a power consumer and/or additional or alternative power source
  • modular heat-pump device 10 optionally further comprises electrical connectors, configured for readily electrically connecting controller module 60 as well as other electric components of modular heat-pump device 10, to the power consumer and/or additional or alternative power source.
  • heat-pump driven device 10 shown in FIG 1C to FIG 1E, is a retrofittable device providable as a standalone unit that is readily connectable to the hot water storage container of a legacy thermosiphonic water heater system.
  • the legacy thermosiphonic water heater system includes a standard domestic heater system that is installed, in-use and/or in running operation.
  • heat-pump driven device 10 shown in FIG 1C to FIG 1E, excludes a heat-pump driven module of a preconnected or integrated water heater system.
  • FIG 1 F showing modular heat-pump driven device 10.
  • the enclosed thermally insulatable vessel (not shown) of heat exchanger 50 such as vessel 52 shown in FIG 1C to FIG 1E, is hidden.
  • Coiled hot terminal 90 of the heat pump assembly is disposed within the thermally insulatable vessel (not shown) of heat exchanger 50, such as vessel 52 shown in FIG 1C to FIG 1E.
  • Terminal portions 57 of coiled hot terminal 90 of the heat pump assembly are affixed within flange 96, which closed and/or seals the thermally insulatable vessel (not shown) of heat exchanger 50, such as vessel 52 shown in FIG 1C to FIG 1E.
  • Substantial portion of the surface area of coiled hot terminal 90 is found in direct and/or unmediated contact with the content of the thermally insulatable vessel (not shown) of heat exchanger 50, such as vessel 52 shown in FIG 1C to FIG 1E.
  • the direct and/or unmediated contact of substantial portion of the surface of coiled hot terminal 90, with the content of the thermally insulatable vessel (not shown) of heat exchanger 50 facilitates efficient heat exchange and/or convection of the heat from the surface of coiled hot terminal 90 by the content of the thermally insulatable vessel (not shown), such as vessel 52 shown in FIG 1 C to FIG 1 E.
  • Efficient heat exchange and/or convection of the heat from the surface of coiled hot terminal 90 by the content of the thermally insulatable vessel (not shown) reduces energy losses and thereby contributes to the overall energetic efficacy of modular heat-pump driven device 10.
  • efficient heat exchange and/or convection of the heat from the surface of coiled hot terminal 90 by the content of the thermally insulatable vessel (not shown) reduces the furring up and virtually obviates the buildup of calcification deposit at the conduits, joints as well as of the thermally insulatable vessel (not shown) of modular heat-pump driven device 10.
  • modular heat-pump device 10 optionally further comprises at least one connector selected from the group consisting of a connector readily connectable to a hot-water outlet of the thermosiphonic water heater system, a connector readily connectable to a hot-water consumer, a connector readily connectable to a cold- water inlet of the thermosiphonic water heater system and a connector readily connectable to a cold-water source.
  • the connector upon retrofitting a passive legacy thermosiphonic water heater system, the connector readily connectable to the hot-water outlet of the thermosiphonic water heater system is optionally connected the hot-water outlet of the thermosiphonic water heater system, the connector readily connectable to the hot- water consumer is optionally connected the hot-water consumer, the connector readily connectable to the cold-water inlet of the thermosiphonic water heater system is optionally connected to the cold-water inlet of the thermosiphonic water heater system, whereas the connector readily connectable to the cold-water source is optionally connected to the cold- water source.
  • FIG 2A to 2C showing another embodiment of the present invention.
  • the embodiment of FIG 2A to 2C illustrate various features that are optionally interchangeable with elements of any other embodiment described in the specification.
  • FIG 2A and 2B are respectively compete and partially dismantled views of assembly 100, comprising typical passive thermosiphonic water heater system 110 and cylindrically shaped modular heat-pump device 10, whereas FIG 2B is a partially dismantled view of cylindrically shaped modular heat-pump device 10.
  • Cylindrically shaped modular heat-pump device 10 comprises encasement housing 20 is configured to accommodate and enclose constituents of modular heat-pump device 10.
  • encasement housing 20 comprises a cylindrical or discoid shape, which is typically configured to match the circular shape or profile of common water containers of legacy thermosiphonic water heater systems, such as passive thermosiphonic water heater system 110, as elaborated infra.
  • Passive thermosiphonic water heater system 110 comprises encasement housing 112 is configured to accommodate and enclose constituents of heater system 110.
  • Passive thermosiphonic water heater system 110 comprises mount element 111, configured to accommodate bottom portion 121 of encasement housing 112.
  • Passive thermosiphonic water heater system 110 further comprises hot-water storage container 120, safety valve 130, hot-water inlet 140, hot-water outlet or inlet 142, a cold-water outlet (not shown) and cold-water inlet 122.
  • Hot-water storage container 120 is typically thermally insulated and enclosed with a sheet metal encasement
  • encasement housing 112 of heater system 110 comprises a cylindrical or rounded shape matching the shape and/or cross- sectional area of mount element 111, of modular heat-pump device 10. Consequently bottom portion 121 of encasement housing 112 of passive thermosiphonic water heater system 110 is mountable onto mount element 111 , of modular heat-pump device 10, so that passive thermosiphonic water heater system 110 is supported by modular heat-pump device 10.
  • Modular heat-pump device 10 shown in FIG 2A to 20, comprises a heat pump assembly, including compressor 38, a condenser, expansion valve 34 and evaporator 36, as well as air fan 40, heat exchanger 50 including a thermally insulatable vessel and a controller module (not shown), cold-water connector 80 coupled to a terminal portion of the cold-water inlet (not shown) of the thermally insulatable vessel of heat exchanger 50 and hot-water connector 70 coupled to a terminal portion of hot-water outlet 58 of heat exchanger 50, where the connectors are preferably of a rapid type.
  • Modular heat-pump device 10 shown in FIG 2A to 2C comprises heat exchanger 50 comprising an enclosed thermally insulatable vessel accommodating hot terminal, terminal portions 57 of which are connected to the heat pump assembly. Hot terminal, terminal portions 57 of which are connected to the heat pump assembly, is thermally coupled to and/or forming part of the condenser.
  • the aforementioned components, of modular heat-pump device 10 shown in FIG 2A to 2C, are connected and operate mutatis mutandis as the respective components of modular heat-pump device 10, shown in FIG 1A to 1E.
  • the enclosed thermally insulatable vessel of heat exchanger 50 comprises a cold-water inlet (not shown), forming a continuum with the interior lumen of the thermally insulatable vessel and cold-water connector 70.
  • Cold-water connector 70 is readily connectable to a terminal portion of the cold-water outlet (not shown) of passive thermosiphonic water heater system 110.
  • the enclosed thermally insulatable vessel of heat exchanger 50 comprises hot-water outlet 58, forming a continuum with the interior lumen of the thermally insulatable vessel and hot-water connector 80.
  • Hot-water connector 80 is readily connectable to a terminal portion of hot-water inlet 140 or to a terminal portion of hot- water inlet or outlet 142 of passive thermosiphonic water heater system 110.
  • modular heat-pump device 10 shown in FIG 2A to 2C optionally further comprises a connector (not shown) readily connectable to a hot-water consumer and/or a connector (not shown) readily connectable to cold-water inlet 122 of passive thermosiphonic water heater system 110 and/or a connector (not shown) readily connectable to a cold-water source.
  • the connector readily connectable to cold-water inlet 122 of passive thermosiphonic water heater system 110 is optionally connected to cold-water inlet 122 of passive thermosiphonic water heater system 110.
  • controller module 60 of modular heat-pump device 10 shown in FIG 1A to 1E and/or the controller module (not shown) of modular heat-pump device 10 shown in FIG 2A to 2C comprises an loT device connectable to a computer network.
  • FIG 3 shows an exemplary loT device 302 which includes an antenna 304 for communication with antennas and propagation [AR] (not shown).
  • Exemplary loT device 302 shown in FIG 3 is configured to receive messages, preferably in an encrypted form, so as to control operation of the controller module 60 shown in FIG 1A to 2C.
  • a controller 306 of exemplary loT device 302, which includes: a transmitter, receiver and baseband processor, is coupled to the antenna and is operative to execute protocols.
  • the controller 306 is coupled to a public identifier Dev_m 308, which is accessible directly to the controller 306, and may include information printed on the loT device 302, or is transmitted by the loT device, such as a registration request.
  • the private identifier ID_m 316 is not publicly accessible.
  • the private ID_m 316 may be hashed 314 using a Secure Hash Algorithm (SKA), such as the SHA- 2 as published by the National Institute of Standards and Technology (NIST) and described in US patent 6829355.
  • SKA Secure Hash Algorithm
  • An incoming registration acknowledgement which includes a secure ID_m as a hash may be compared 318 to generate an authorization for association 312 to the controller 306.
  • the ID_m 316 may be directly coupled to the controller 306, which decrypts an incoming registration acknowledgement and the decrypted received ID_m from a message may be directly compared to the ID_m 316 which is unique to the loT device 302 and not directly accessible from an external query.
  • an exemplary system for implementing aspects described herein includes a computing device, such as computing device 400.
  • computing device 400 typically includes at least one processing unit 402 and memory 404.
  • memory 404 may be volatile (such as random access memory (RAM)), non-volatile (such as read-only memory (ROM), flash memory, etc.), or some combination of the two.
  • RAM random access memory
  • ROM read-only memory
  • flash memory etc.
  • Computing device 400 may have additional features/functionality.
  • computing device 400 may include additional storage (removable and/or non- removable) including, but not limited to, magnetic or optical disks or tape.
  • additional storage is illustrated in FIG 4 by removable storage 408 and non-removable storage 410.
  • Computing device 400 typically includes a variety of computer readable media.
  • Computer readable media can be any available media that can be accessed by computing device 400 and include both volatile and non-volatile media, and removable and non-removable media.
  • Computer storage media include volatile and non-volatile, and removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data.
  • Memory 404, removable storage 408, and non-removable storage 410 are all examples of computer storage media.
  • Computer storage media include, but are not limited to, RAM, ROM, electrically erasable program read-only memory (EEPROM), flash memory or other memory technology, CD-ROM, digital versatile disks (DVD) or other optical storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by computing device 400. Any such computer storage media may be part of computing device 400.
  • Computing device 400 may contain communications connections) 412 that allow the device to communicate with other devices.
  • Computing device 400 may also have input device(s) 414 such as a keyboard, mouse, pen, voice input device, touch input device, etc.
  • Output device(s) 416 such as a display, speakers, printer, etc. may also be included. All these devices are well known in the art and need not be discussed at length here.
  • exemplary implementations may refer to utilizing aspects of the presently disclosed subject matter in the context of one or more stand-alone computer systems, the subject matter is not so limited, but rather may be implemented in connection with any computing environment, such as a network or distributed computing environment Still further, aspects of the presently disclosed subject matter may be implemented in or across a plurality of processing chips or devices, and storage may similarly be effected across a plurality of devices. Such devices might include PCs, network servers, and handheld devices, for example.
  • Example 1 Reference is now made to FIG 5 showing a plot of water temperature profile in degrees Celsius, measured in an experimental setup, inside a thermally insulated container, having a capacity of 150 liters, available from CHROMAGEN SHAAR HAAMAKIM LTD, Kibbutz Shaar Haamakim 3658800 Israel, over a time period of 25 hours, while applying heat to the water using a heat pump setup employing a standard compressor with power of 150 Watts.
  • the container has not been emptied for duration of the entire experiment
  • the solid and the dashed lines in the plot represent the water temperature profile at the top and at the bottom portions of the container, respectively.
  • Example 2 Reference is now made to FIG 6 showing a plot of water temperature profile in degrees Celsius, measured in another experimental setup, inside a thermally insulated container, having a capacity of 150 liters, available from CHROMAGEN SHAAR HAAMAKIM LTD, Kibbutz Shaar Haamakim 3658800 Israel, over a time period of 25 hours, while applying heat using solar collectors which produce on average 6150 calories during a standard day.
  • the container has not been emptied for duration of the entire experiment
  • the solid and the dashed lines in the plot represent the water temperature profile at the top and at the bottom portions of the container, respectively.
  • Example 3 Reference is now made to FIG 7 showing a yield plot, namely the yield of warm water, at a temperature suitable for bathing, coming out of a thermally insulated container, having a capacity of 150 liters, available from CHROMAGEN SHAAR HAAMAKIM LTD, Kibbutz Shaar Haamakim 3658800 Israel, over a time period of 25 hours, in an experimental setup using a heat pump employing a standard compressor with power of 185 Watts.
  • Warm water was considered of a temperature suitable for bathing for water that came out of the container at temperature, of about 40 to 45 degrees Celsius, which is the average ideal temperature of water for showering/bathing.
  • the dots on the plot in FIG 7 show the measured volume of warm water in liters that came out of the container as a function of time in hours, during which heat was applied to the water in container in an experimental setup using a heat pump employing a standard compressor with power of 185 Watts.
  • the solid line in FIG 7 displays the linear regression of the collection of dots that were experimentally measured.
  • the experimental setup using a heat pump employing a standard compressor with power of 185 Watts yielded amounts of warm water raising rather steadily from about 30 to about 150 liters, with a constant of increment of approximately 6 liters of warm water per hour.
  • the correlation factor of the linear regression shown in FIG 7 resulted with value of 0.9458, which indicates a rather steady linear increment from about 30 to about 150 liters, from the 5th hour to the 27th hour.

Abstract

La présente invention concerne un dispositif modulaire adaptable ultérieurement comprenant un logement d'enveloppe, une pompe à chaleur, une cuve isolée thermiquement enfermée et un élément d'échange de chaleur disposé directement à l'intérieur de la cuve enfermée, des ensembles de dispositif modulaire adaptable ultérieurement et de systèmes de chauffe-eau domestique et un procédé d'adaptation ultérieure de systèmes de chauffe-eau domestique classiques avec un dispositif modulaire entraîné par pompe à chaleur.
PCT/IL2021/050767 2021-06-23 2021-06-23 Dispositifs modulaires entraînés par pompe à chaleur et procédés d'adaptation ultérieure pour systèmes de chauffe-eau domestique à thermosiphon WO2022269587A1 (fr)

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PCT/IL2021/050767 WO2022269587A1 (fr) 2021-06-23 2021-06-23 Dispositifs modulaires entraînés par pompe à chaleur et procédés d'adaptation ultérieure pour systèmes de chauffe-eau domestique à thermosiphon

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2587790A1 (fr) * 1985-09-20 1987-03-27 Total Energie Dev Dispositif modulaire permettant le stockage thermique a partir d'au moins deux sources energetiques, dont l'une est intermittente, et installation utilisant un tel dispositif
EP1528329A1 (fr) * 2003-11-03 2005-05-04 Grundfos A/S Ensemble pour installation de chauffage compact
WO2012020404A2 (fr) * 2010-08-09 2012-02-16 Zvi Shtilerman Appareil et procédé de chauffage d'eau
CN205825428U (zh) * 2016-07-21 2016-12-21 天津商业大学 一种热泵热水器循环系统

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2587790A1 (fr) * 1985-09-20 1987-03-27 Total Energie Dev Dispositif modulaire permettant le stockage thermique a partir d'au moins deux sources energetiques, dont l'une est intermittente, et installation utilisant un tel dispositif
EP1528329A1 (fr) * 2003-11-03 2005-05-04 Grundfos A/S Ensemble pour installation de chauffage compact
WO2012020404A2 (fr) * 2010-08-09 2012-02-16 Zvi Shtilerman Appareil et procédé de chauffage d'eau
CN205825428U (zh) * 2016-07-21 2016-12-21 天津商业大学 一种热泵热水器循环系统

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