152results about "Central heating storage tanks" patented technology

Device (1) for heating domestic water by thermal contact with a heating fluid, the device comprising a first chamber (10) and a second chamber (20) fluid-dynamically connected to the first chamber via a connecting opening (13), both the first chamber and the second chamber each having a supply opening (11, 21) and a removal opening (12, 22) for heating fluid, the first chamber being designed to store heating fluid in its interior in layers (14, 15, 16) lying one above the other in a stratification direction (19) according to the temperature of the heating fluid. Specific guidance of the flow of the heating fluid, on the one hand during layering into the first chamber and, on the other hand, during flowing into the second chamber, leads to high efficiency of heat transfer to the domestic water.Furthermore, the invention is directed to a heating system comprising the device, an operating method for the heating system, a single-layer device, and a heat exchanger device. The invention enables, for example, the implementation of various embodiments of the heating system and their operating methods using only a single pump.

A system includes: a heat generator obtaining heat from a heat source and having a generator outlet port and a generator return port; a central heating circuit having a heating feed port and a heating return port; a tank having a top portion and a bottom portion, the tank containing a heat storing medium; a first tapping coil immersed in the heat storing medium in the bottom portion of the tank; and a second tapping coil immersed in the heat storing medium in the top portion of the tank The heat generator, second tapping coil, central heating circuit, and first tapping coil are fluidly connected in series to allow fluid to flow from the heat generator via at least one of the second tapping coil, the central heating circuit, and the first tapping coil back to the heat generator The system includes first, second and third three-way valves.

A manifold (364) includes selectable different internal flowpaths between one or more inlets (660, 670) and one or more outlets (655, 665, 676) of the manifold (364), each internal flowpath corresponding to a particular selected operating mode of a system, such as a water provisioning system. Flow sensors (680, 681, 682) are mounted on the manifold within the inlet(s) and the outlet(s), to provide flow signals indicative of a flow rate of a liquid passing through the respective inlet and outlet when the manifold (364) is operating in a particular selected operating mode of the system. The inlet flow and outlet flow signals are usable by a controller to learn a flow rate of the liquid passing through an outlet when a liquid of a particular flow rate passes through the inlet when the manifold is operating in the particular selected operating mode of the system so as to control a component of the system operating in the particular selected operating mode.

The present invention belongs to the field of household appliance technology, and specifically relates to a control method for a heat pump water heater. The present invention aims to address the problem of existing heat pump water heaters being affected by the high-temperature water in the upper portion of the water tank, resulting in a high condenser temperature and poor heat exchange efficiency. The heat pump water heater of the present invention includes a first condenser and a second condenser arranged above and below the water tank. The refrigerant outlet of the first condenser is connected to the refrigerant inlet of the second condenser via a first refrigerant branch pipe, and the first refrigerant branch pipe is provided with a regulating valve. The refrigerant inlet of the second condenser is also connected to the refrigerant main pipe via a second refrigerant branch pipe, and the second refrigerant branch pipe is provided with an on-off valve. A controller is respectively connected to the regulating valve and the on-off valve, and is used to control the on-off valve to open in stratified heating mode. The regulating valve opening is reduced to 20-30 degrees, allowing the refrigerant in the refrigerant main pipe to enter the second condenser through the second refrigerant branch pipe, thereby achieving stratified heating of the water inside the water tank and improving heat exchange efficiency.

Water heating device (1) comprising: - a tank (2); - a heating module (5) comprising a heat pump (6), comprising a heating heat exchanger and a second heat exchanger (7), the second heat exchanger (7) being on a base (8) and extending in a plane (V) perpendicular to the base (8); - an extraction module (15) mounted on the base (8) and creating a flow through the second heat exchanger (7); the extraction module (15) comprising a filter (30) on the casing (16) positioned across the flow between the inlet (22) and the second heat exchanger (7), the filter (30) being removable from the casing (16) so as to allow the mounting and dismounting of the filter (30), the filter (30) having at least one non-zero curvature when mounted on the casing (16).

The present invention relates to a hot water supply tank. A hot water supply tank, according to an embodiment of the present invention, comprises: a storage part which accommodates a fluid therein; an internal water outlet pipe through which a fluid flows from the storage part toward a heat pump; an internal water supply pipe through which the fluid flows from the heat pump toward the storage part; and an internal pipe which is disposed inside the storage part, wherein the internal pipe includes: a connection pipe which is connected to the internal water supply pipe, and at least a part of which is flexible; and a discharge pipe which has one end connected to the connection pipe and extending long, wherein a pipe through hole passing through the discharge pipe may be formed at the other end of the discharge pipe. Various other embodiments are possible.

Thermodynamic water heater and water heating method implementing it The invention relates to a thermodynamic water heater (1) comprising a heating device (2) and a tank (3) with a container (3') for the water to be heated / heated, the tank (3) also comprising a condenser circuit (4) supplied by the heating device (2) forming a closed loop of heat transfer fluid circulation, and with an upper inlet end (4') and a lower outlet end (4'').A water heater characterized in that said condenser circuit (4) comprises a main hot heat transfer fluid supply inlet (5) and another secondary hot heat transfer fluid supply inlet (51), said secondary supply inlet (51) corresponding to an intermediate connection point (PR) of said condenser circuit (4), located between its upper inlet end (4') and its lower outlet end (4'') and defining two portions of the condenser circuit (4) corresponding respectively to two superimposed volumetric zones (Z1 and Z2) within the internal volume of the container (3'), and in that each of the hot heat transfer fluid supply lines (6, 61) connecting the heating device (2) to the supply inlets (5, 51) comprises a control valve (7, 71). Figure to be published with the abbreviation: Fig. 1.

A thermal energy transfer arrangement is provided, comprising a building with a sprinkler system and a heat exchanger for heating the building. The arrangement further comprises a sprinkler reservoir arranged for holding a volume of water, wherein the sprinkler system is in fluid communication with the sprinkler reservoir and a thermal energy transfer system, comprising a primary heat pump, which is in fluid communication with the sprinkler reservoir and the heat exchanger, and which is arranged to transfer thermal energy from the sprinkler reservoir to the heat exchanger. By virtue of the arrangement, water in an existing sprinkler reservoir may be used as a source of thermal energy for heating the building.

The present disclosure is directed to a hydronic system (1) for transferring thermal energy from a heat pump (3) to at least one thermal energy load (5), wherein the hydronic system (1) comprises: - a heat pump feed circuit section (7) for transporting a heat pump flow (qH) downstream of a heat pump circuit pump (11) for driving the heat pump flow (qH) through a heat pump (3); - a load feed circuit section (13) for transporting a load flow (qL) towards at least one thermal energy load (5); - a storage feed circuit section (19) for transporting a storage flow (qS) that goes through a thermal energy storage tank (23), wherein the storage flow (qS) is selectively directable in a charging direction in an operation mode of the hydronic system (1) in which the thermal energy storage tank (23) is charged with thermal energy and in a discharging direction in another operation mode of the hydronic system (1) in which thermal energy is discharged from the thermal energy storage tank (23), wherein the heat pump feed circuit section (7), the load feed circuit section (13) and the storage feed circuit section (19) are connected at a feed connection point (27); - a load flow feed temperature sensor (79) being arranged at the load feed circuit section (13) downstream of the feed connection point (27) for determining a load flow feed temperature (TL) of the load flow (qL); - a load circuit pump (17) for driving the load flow (qL); and - control electronics (20), wherein the control electronics (20) is configured, depending on the operation mode of the hydronic system (1), to control directly or indirectly a speed of the load circuit pump (17) and a speed of the heat pump circuit pump (11) so that a deviation of the load flow feed temperature (TL) from a reference load flow feed temperature is minimised.

Interface module for a hydronic system, which comprises a hydronic generator that uses a work fluid, at least one climate control device, at least one sanitary water dispensing device and at least one water network connection, the module comprising a casing that defines internally a chamber that houses: - a technical tank and a storing tank configured to contain the work fluid and placed in such a way as to delimit a first sub-volume at least partially between themselves; - a heat exchanger; - a network of hydraulic connections that are housed at least partially in the first sub-volume and configured to fluid-dynamically connect together the technical tank, the storing tank, and the heat exchanger; the network further comprising at least: - a first inlet and a first outlet configured to be fluid-dynamically connected, in use, to the hydronic generator; - a second inlet and a second outlet configured to be fluid-dynamically connected, in use, to the at least one climate control device; - a third inlet and a third outlet configured to be fluid-dynamically connected, in use, respectively to the connection and to the at least one sanitary water dispensing device; - pumping means housed in the first sub-volume and configured to move the work fluid along the hydraulic connections.

The present application relates to a system (100) for producing domestic hot water and heat for central heating, the system (100) comprising: a heat generator (1) for obtaining heat from a heat source, the heat generator (1) having a generator outlet port (1.1) and a generator return port (1.2); a central heating circuit (3) having a heating supply port (3.1) and a heating return port (3.2); a tank (11) having a top and a bottom, the tank (11) containing a thermal storage medium (12); a first tapping coil (7) immersed in the thermal storage medium (12) in the bottom of the tank (11); a second tapping coil (6) immersed in the thermal storage medium (12) in the top of the tank (11); and means (8, 9, 13, 14) for warming domestic hot water; wherein the heat generator (1), the second tapping coil (6), the central heating circuit (3) and the first tapping coil (7) are fluidly connected in series so as to allow fluid to flow from the heat generator (1) back to the heat generator (1) via at least one of the second tapping coil (6), the central heating circuit (3) and the first tapping coil(7); the system (100) further comprising: a first three-way valve (2) fluidly connected to the generator outlet port (1.1), the second tapping coil (6) and the heating supply port (3.1), and configured to selectively bypass or flow fluid through the second tapping coil (6); a second three-way valve (4) fluidly connected to the heating supply port (3.1) and the heating return port (3.2), and configured to selectively bypass or flow fluid through the central heating circuit (3); and a third three-way valve (5) fluidly connected to the first tapping coil (7) and the generator return port (1.2), and configured to selectively bypass or flow fluid through the first tapping coil (7).

The invention relates to a multi-functional storage system 1 for generating heating energy and for domestic hot water heating. The system comprises a multi-zone stratified storage tank with a buffer storage zone 5 and a hot water charging zone 6 above it, featuring a storage medium 3 with stratified charge at different temperatures; a counterflow domestic hot water heater 10, with a domestic hot water line 11 and a flow line 14 such that a flow gap 15 exists between them; a domestic hot water charging pump 18 for charging the flow gap 15 with the storage medium 3; a control unit 21 for operating the multi-functional storage system 1; and an electric heating element 20.1, the heating surface of which is arranged within the hot water charging zone 6, with the heating area extending at most to the eighth coil of the domestic hot water line 11. The invention also relates to a method for operating the multi-functional storage system 1. (Fig. 1)

A system for providing domestic hot water and a method using the system is provided. The system comprises a heat pump, a mains water supply, a heat exchanger establishing a thermal connection between a fluid line exiting the mains water supply and a fluid line exiting the heat pump, a thermal energy storage device connected to the heat pump, and a controller having different operation modes and being configured to select between them and control the heat pump based on a selected operation mode. In a first operation mode, thermal energy is provided from the heat pump to the thermal energy storage device, but not to the heat exchanger, whereas in a second operation mode, thermal energy is provided from the heat pump to the heat exchanger. The configuration of the controller to switch to the second operation mode allows the system and method to provide domestic hot water continuously, i.e. without downtimes.

The invention relates to a thermal management system (2) which is designed to be connected to a heat pump (4). According to the invention, it is proposed that the heat management system (2) comprises a buffer storage tank (6) with at least one flow fluid inlet (8) and at least one return fluid outlet (10), wherein the flow fluid inlet (8) can be fluidly connected to a flow (16) of a heat pump (4) via a heat pump flow connection (14), and the return fluid outlet (10) can be fluidly connected to a return (20) of the heat pump (4) via a heat pump return connection (18), wherein the heat management system (2) further comprises a space heating flow connection (30) and a space heating return connection (32) for connecting a space heating system (34), wherein the space heating flow connection (30) is fluidly connected to the flow fluid inlet (8) or a further flow fluid inlet of the buffer storage tank (6) and the heat pump flow connection (14).and wherein the space heating return connection (32) is fluid-conductingly connected to the return fluid outlet (10) or to another supply fluid inlet of the buffer storage tank (6) and the heat pump return connection (18), and wherein the heat management system (2) is enclosed in a housing (46).

The present application belongs to the technical field of electrical engineering. Disclosed are a photovoltaic-based heat pump water heater control method and apparatus, and a device and a storage medium. The method comprises: acquiring power load information and photovoltaic power generation information; determining electricity surplus information according to the power load information and the photovoltaic power generation information; and controlling a heat pump water heater to perform load migration according to the electricity surplus information.

Shown and described is a two-zone heat storage device for district heating systems, comprising a container (1) which can be connected to at least one heat-emitting system and at least one heat-absorbing system and which has a container wall (2) and a base (3), wherein the container (1) has an upper zone (4) and a lower zone (5), wherein an intermediate roof (6) is arranged between the upper zone (4) and the lower zone (5), wherein the lower zone (5) has at least one lower loading and unloading device (8) and at least one upper loading and unloading device (7), wherein the upper zone (4) and the lower zone (5) are connected to one another via at least one first equalizing line (11'), and wherein the upper zone (4) and the lower zone (5) can be filled with a heat transfer medium, as well as a method for operating a two-zone heat storage device.In order to be able to adjust the differential pressure at the intermediate roof within narrower tolerance limits during normal operation of the two-zone heat storage unit, the two-zone heat storage unit has a circulation pump (15) for flowing heat transfer medium through the at least one first equalization line (11'), a first equalization pump (16) for conveying heat transfer medium from the lower zone (5) into the upper zone (4) and a second equalization pump (17) for conveying heat transfer medium from the upper zone (4) into the lower zone (5).

A water heating system 1 comprises a vessel 2 holding water and receiving heat from heat sources 12, 20. A temperature sensor 24 comprises a plurality of sensing elements (102, Fig. 10) and senses a t

A heating system (1) is proposed, comprising a primary heat exchanger (3) for heat exchange with a heat generator (2). The primary heat exchanger (3) is connected to a heating circuit (4) via a flow (15) and a return (16). A three-way valve (11) is arranged in the return (16) of the heating circuit (4), dividing the heating circuit (4) into a first partial heating circuit (5) and a second partial heating circuit (6). The first partial heating circuit (5) comprises consumers (7) of the heating system (1), and the second partial heating circuit (6) comprises at least one storage heat exchanger (9) configured to transfer heat to at least one hot water storage tank (8). The invention enables the use of the heat stored in a hot water storage tank (8) for heating the heating system (1). Furthermore, a method for operating such a heating system (1) and a computer program are proposed.

A water heating unit. In a water heating process, a flow ratio of hot water, entering a heating host (1), of a pressure bearing water tank (2) and an insulation water tank (3) is adjusted by means of a water mixing valve (9), so that adjusted water is heated by the heating host (1) once, and then directly enters the insulation water tank (3) to always guarantee that the using requirements of a user are met; moreover, in a dynamic adjusting process of the water mixing valve (9), water which flows out of a water outlet of the water heating host (1) but does not meet the temperature requirements can reflow to the pressure bearing water tank (2) by means of a valve (8) connected to the water outlet of the heating host (1), so that water which does not meet the temperature requirements is prevented from flowing into the insulation water tank (3).

The invention relates to a hydraulic storage module (50) for a thermal regulation system of a building, the hydraulic storage module (50) of heat transfer fluid being configured to be hydraulically connected to a supply circuit (32) of heat transfer fluid and to a return circuit (34) of heat transfer fluid of the heating system in order to store thermal energy by means of the heat transfer fluid, the hydraulic storage module comprising: - a reservoir (12) of heat transfer fluid extending along a central longitudinal axis (A), - a first (14) and a second (16) supply ports intended to be hydraulically connected to the supply circuit (32) of heat transfer fluid, - a first (18) and a second (20) return ports intended to be hydraulically connected to the return circuit (34) of heat transfer fluid,characterized in that the hydraulic storage module (50) further comprises: - a supply line (52) passing through the reservoir (12) and extending from the first supply port (14) to the second supply port (16), at least one first circulation port (54) being formed in the supply line (52) to allow fluid communication between an internal space of the supply line (52) and the reservoir (12). Figure for the abbreviation: Figure 6,

The invention relates to a thermic accumulator (AT) configured to be mounted inside or instead of a building wall, comprising a closed, stiffened, thermally insulated parallelepipedal casing, configured to be filled with a permanently non-pressurized primary thermic agent. An exchanger coil (CHC, CHV) and a water coil (CW1, CW2) are immersed in the primary thermic agent. The casing in the working position is configured to allow its filling with the unheated primary thermic agent, up to a preset filling level, and to allow the expansion of the heated primary thermic agent up to a preset expansion level located between the preset filling level and an overflow port, said overflow port being arranged in the casing wall in the control area between the preset expansion level and the upper face of the casing. The casing contains a safety air volume between the preset filling level and the upper face of the casing. The casing allows the safety air volume to be discharged from the casing through the overflow port in order to maintain the primary thermic agent in a non-pressurized form. The exchanger coil (CHC, CHV), through which freon circulates, is connected at the inlet end of the exchanger coil and at the outlet end of the exchanger coil to a first heat pump (PC1). The water coil (CW1, CW2), through which a circulating water circulates, is connected at the inlet end of the water coil to a circulating water source (ARS, VEN) and at the outlet end of the water coil to a circulating water consumer (CC ACM 1, VEN). The exchanger coil (CHC, CHV) is configured to perform a first heat transfer between the freon flow in the exchanger coil and the primary thermic agent in the thermic accumulator (AT), and the water coil (CW1, CW2) is configured to perform a second heat transfer between the primary thermic agent in the thermic accumulator (AT) and the circulating water in the water coil (CW1, CW2).

The invention relates to a device for generating heat for feeding it into a heating circuit 12, comprising: - a high-pressure pump 2, driven by a motor, in particular an electric motor, and connected in a liquid circuit, with an inlet 4 through which the liquid to be pumped enters the pump 2, and with an outlet 5 from which the pumped liquid exits; - at least one heat generator 6, 24, connected in the liquid circuit and downstream of the pump 2, causing friction in the liquid flow by reducing the flow cross-section and designed in the manner of a hydraulic orifice with one or more flow openings, wherein the hydraulic orifice has a cross-sectional geometry that is not influenced by the delivery pressure of the liquid flow, so that the temperature of the liquid flow pumped by the at least one heat generator 6, 24 is increased; - a liquid storage tank 10, 10.1, 10.2, the contents of which can be heated by the liquid flow heated in the at least one heat generator, and - a heating circuit 12 connected to the liquid storage 10, 10.1, 10.2.

A district heating and cooling system 100 comprises a pipe network 102 to supply potable water to a plurality of buildings, at least one heat pump 104 disposed at each building 106 of the plurality of

The invention relates to a device for the calorific treatment, storage and distribution of hot water, wherein the device essentially consists of a high-temperature stage (500) with at least one heat exchanger (408, 508), which can be operated by a primary stage (509a, 521a) and a secondary stage (509, 521), wherein a storage stage (600) with at least one storage (601) and / or with further units for providing hot water is arranged downstream of the high-temperature stage (500), wherein a distribution stage (700) with at least one line for supplying the hot water to at least one consumer is arranged downstream of the storage stage (600).

A unit for providing a quantity of hot water suitable for washing or bathing, the unit having maximum dimensions of 750mm wide x 750mm depth x 1200mm height, the unit comprising an unpressurised tank for storing an energy storage liquid, and the unit further comprising first and second heat exchangers connected to the tank to form a closed fluid circuit for the energy storage liquid, the first heat exchanger being arranged to transfer heat from a heat source to the energy storage liquid and the second heat exchanger being arranged to transfer heat from the energy storage liquid to incoming cold water, the unit further comprising a plurality of valves located within the closed fluid circuit, and a processor for controlling the valves, the processor being configured to operate the valves such that the closed fluid circuit can be switched between a first configuration providing a first series of flow paths between the tank and the heat exchangers and a second configuration providing a second series of flow paths between the tank and the heat exchangers.

Method for controlling the operation of a heat pump. Method for controlling the operation of a heat pump (10) connected to hot (22) and cold (24) buffer tanks, capable of operating according to at least one first mode of heat production only, a second of cold production only and a third of combined cold and heat production, the triggering of the different modes taking place at a given instant t as a function of the measured temperatures of the buffer tanks and at least one piece of information representative of a future need for heat or cold production for the buffer tanks.

The invention relates to a device for heating a fluid, said device comprising an energy unit (1), a heat exchanger (2), and a container (3). A deflection device (4) is used to introduce fluid into the container (3) and / or to remove fluid from the container (3). The deflection device (4) has a ring element (41) having a longitudinal opening (42). The opening (42) connects an interior space (31) of the container (3) to the deflection device (4).

The present disclosure provides a computer-implemented method of modulating energy consumption by a water provision system installed in a building, the water provision system comprising a heat pump configured to transfer thermal energy from outside the building to a thermal energy storage medium inside the building and a control module configured to control operation of the water provision system, the water provision system being configured to provide water heated by the thermal energy storage medium to one or more water outlets and further configured to supply heated water to a central heating system configured to raise an indoor temperature of the building, the method being performed by the control module and comprising: determining a level of energy demands of a geographical region comprising the building; and upon determining that the level of energy demands is low, operating the heat pump to store thermal energy in the thermal energy storage medium, and operating the water provision system to supply heated water to the central heating system using thermal energy stored in the thermal energy storage medium.

A heating system of a building includes: a solar heater configured to receive sunlight and to at least one of absorb heat into a refrigerant and augment heat absorbed into the refrigerant; a compressor configured to compress the refrigerant that vaporized via absorption of heat; a first heat exchanger configured to transfer heat from the refrigerant to water; an expansion valve configured to reduce at least one of a temperature and a pressure of the refrigerant after the transfer of heat from the refrigerant to water; a second heat exchanger configured to transfer heat from water output from the first heat exchanger to air passing the second heat exchanger before flowing into the building; a pump configured to pump the water from the solar heater to the second heat exchanger; and a blower configured to blow air past the second heat exchanger and into the building.