286results about "Central heating storage tanks" patented technology

A heating installation (1) comprising:a first circuit (C1) containing a medium;a first heat pump (5) for heating a medium by absorbing heat energy from the medium in the first circuit;a thermal energy store (2) connected to the first circuit in order to allow heat exchange between the thermal energy store and the medium in the first circuit;a second circuit (C2) containing a medium;a second heat pump (10) for heating a medium by absorbing heat energy from the medium in the second circuit;a cooling circuit (CC) containing a medium;a first heat exchanger (8) for transferring heat from the medium in the cooling circuit (CC) to the medium in the first circuit (C1); anda second heat exchanger (9) for transferring heat from the medium in the cooling circuit (CC) to the medium in the second circuit (C2).

Hot water storage tank (1), comprising at least a container (2) with a volume (4) enclosed by a container wall (3) for storing hot water (5) and a supply line (6) for cold water (7), wherein the supply line (6) extends from outside the container (2) over the container wall (3) into the volume (4) up to an outlet (8) of the supply line (6), characterized in that the supply line (6) has a smaller first flow cross-sectional area Q1 (9) upstream of the outlet (8) and a larger second flow cross-sectional area Q2 (10) between the first flow cross-sectional area Q1 (9) and the outlet (8).

Retrofit kit (1) for an existing central heating system (2), wherein the central heating system (2) comprises at least one primary heat source (3) operable by means of fuels, in particular a boiler and / or a gas boiler, at least one heat exchanger (4), preferably a radiator for heating a building, and at least one domestic hot water storage tank (5), wherein a heat transfer fluid (6), in particular water, can be heated by means of the primary heat source (3), wherein the heat transfer fluid (6) can be conveyed to and / or through the heat exchanger (4) by means of a heat pump (7), and wherein the heat transfer fluid (6) can be conveyed to the domestic hot water storage tank (5) for heating domestic hot water (9) temporarily stored in the domestic hot water storage tank (5), namely for heat transfer from the heat transfer fluid (6) to the domestic hot water (9) through or adjacent to the domestic hot water storage tank (5),wherein the primary heat source (3) has a central heating control and / or regulation device (10) for its control and / or regulation, wherein the retrofit kit (1) and / or the central heating system (2) has at least one electrically operated heat pump (11), wherein the heat transfer fluid (6) can be heated by means of the heat pump (11), wherein the heat transfer fluid (6) can be conveyed to and / or through the heat pump (11) for its heating, and wherein the heat transfer fluid (6) can be conveyed to and / or through the primary heat source (3) by means of the heating pump (7) and / or the storage pump (8), characterized in that the retrofit kit (1) has a temperature sensor (13.1) and a separate heat pump control and / or regulation device (14) for the heat pump (11), wherein the temperature sensor (13.1) is connected to the separate heat pump control and / or regulation device (14) for control / is connected or connectable via signal and / or data technology,wherein the heat pump (11) is connected and / or connectable to the separate heat pump control and / or regulation device (14) for control purposes, wherein the separate heat pump control and / or regulation device (14) is designed and / or implemented such that the heat pump (11) is controlled based on the actual domestic hot water temperature (T) measured by means of the temperature sensor (13.1) in a lower area of ​​the domestic hot water storage tank (5) or adjacent to this lower area of ​​the domestic hot water storage tank (5). B1 ) is controllable and / or adjustable, wherein the temperature sensor (13.1) is used as a first temperature sensor (13.1) for determining a first actual domestic hot water temperature (T B1 ) is implemented, wherein a second temperature sensor (13.2) is located in a vertically viewed middle or upper area of ​​the domestic hot water storage tank (5) for measuring and / or determining a second actual domestic hot water temperature (T B2) is arranged, wherein the second temperature sensor (13.2) is connected to the central heating control and / or regulating device (10) in a control / signal / and / or data-related manner, wherein the central heating control and / or regulating device (10) is designed and / or implemented such that the primary heat source (3) is adjusted depending on the second actual domestic hot water temperature (T B2 ) is controllable and / or adjustable, wherein the separate heat pump control and / or regulation device (14) is designed and / or implemented such that the heat pump (11) can be operated and / or activated for heating the heat transfer fluid (6) with the aid of the separate heat pump control and / or regulation device (14) when the first actual domestic hot water temperature (T) measured, determined and / or calculated with the aid of the first temperature sensor (13.1) B1 ) a first limiting temperature (T B1G ) falls below.

A hydraulic module (10) and a heat pump system. The hydraulic module (10) comprises an expansion vessel (200), a heat exchange device (300), a water tank (400) and a water pump (500); the expansion vessel (200) is provided with an expansion port (210); the heat exchange device (300) is provided with a first water inlet (310a) and a first water outlet (320a); the water tank (400) is provided with a second water inlet (410a) and a second water outlet (420a); the water pump (500) is provided with a water pumping end (510). In the direction of gravity (G), the water pump (500) is located below the water tank (400), the expansion vessel (200) is located above the heat exchange device (300), the expansion port (210) of the expansion vessel (200) is in communication with the first water inlet (310a), the first water inlet (310a) is lower than the first water outlet (320a), the first water outlet (320a) is in communication with the second water inlet (410a), the first water outlet (320a) is lower than the second water inlet (410a) or is even with the second water inlet (410a), the second water inlet (410a) is lower than the second water outlet (420a), and the second water outlet (420a) is in communication with the water pumping end (510) of the water pump (500).

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 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.

The invention relates to a heat pump hydraulic unit (100) comprising a hydraulic housing (110), a first connection (101) for a heat pump return, a second connection (102) for a heat pump supply, a third connection (103) for a hot water return, a fourth connection (104) for a hot water supply, a fifth connection (105) for a supply of the first heating circuit, a sixth connection (106) for a return of the first heating circuit, a circulation pump (104) coupled to the second connection (102), an electric heating unit (120) in series with the circulation pump (140), and a four-way valve (130) in series with the electric heating unit (120), wherein the four-way valve (130) has a first to fourth connection (131 - 134).

Underground seasonal heat storage systems, characterized in that the storage medium can consist of different solids or liquids, and the storage system includes one or more devices for heating and one or more devices for recovering the heat.

The invention discloses a pressure matching system of a normal-pressure heat storage tank and a regulation and control method. The pressure matching system comprises the normal-pressure heat storage tank, a water supply hot side system, a water return cold side system, an analysis decision module and a control module. The water supply hot side system comprises a hot side pipe, and an electric valve, an electric control valve, a hot side turbine, a booster pump and a check valve which are arranged on the hot side pipe, the water return cold side system comprises a cold side pipe, and an electric valve and a cold side turbine which are arranged on the cold side pipe, and the cold side turbine is connected with the hot side turbine through a transmission shaft. Under the heat storage working condition, the residual pressure head between the heat network water supply pipe and the top hot water side of the heat storage tank is used for boosting cold water at the bottom of the heat storage tank to the heat network water return pipe to provide power; under the heat release working condition, the residual pressure head between the heat supply network water return pipe and the cold water side at the bottom of the heat storage tank is used for providing power for boosting of hot water at the top of the heat storage tank to the heat supply network water supply pipe, throttling loss energy of the normal-pressure heat storage tank in the heat storage and heat release process is recycled, and the operation energy consumption of the heat storage tank is reduced.

The present disclosure provides a water heater including a bypass conduit to allow flow of cold water from an inlet pipe to an outlet pipe, and an outlet temperature sensor coupled to the outlet pipe downstream of an outlet of the bypass conduit, to sense temperature of mixture of hot water and cold water in the outlet pipe. An electronic mixing valve is disposed along the inlet pipe to receive temperature data of water mixture from the outlet temperature sensor and compare temperature of the water mixture with a predefined temperature value. In response to determining that the water mixture is flowing through the outlet pipe, the electronic mixing valve regulates the flow of cold water through at least one of the bypass conduit and the inlet pipe until the temperature of the water mixture is within a predetermined range of the predefined temperature value.

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 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 heating installation (2, figure 1) comprises a hot water tank 34 disposed within a thermally insulated housing 20, and a pipe 35 that passes through a floor, wall 22,23 or roof of the housing. The installation is disposed externally of a building to be heated, i.e. outdoors, and the pipe provides fluid communication between the hot water tank and pipework within the building to be heated, e.g. radiators of a central heating system. The installation may be placed in contact with the building whereby an external wall of the building comprises part of the housing. Alternatively, the installation may be spaced from the building and trunking used to contain the pipe. The housing may include doors (26, figure 3) or a lid 24 for access and an electrical supply point (e.g. socket) to power an air-source heat pump 32 to heat water in the tank. The heating installation liberates space in the building (e.g. airing cupboard) for other purposes and can simplify servicing and replacement of the tank and / or heat pump. A method of fitting an installation, which may comprise the tank being fitted with or after the housing, is also claimed.

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 invention provides a heating mode control method and system, a heating mode control device and a storage medium, and is applied to the technical field of heaters, the heating mode control method comprises the steps that the critical energy efficiency value and the real-time energy efficiency value of a heat pump in a hybrid power system are obtained, and the current environment temperature is obtained; and comparing the critical energy efficiency value with the real-time energy efficiency value to obtain a comparison result, determining a target heating mode from various heating modes of the hybrid power system based on the comparison result and the current environment temperature, and controlling the hybrid power system to operate the target heating mode, heating modes of the hybrid power system comprise a single boiler mode, a single heat pump mode and a hybrid power mode. According to the technical scheme, the heating mode can be selected according to the environment temperature and the energy efficiency value of the heat pump on the premise of considering the heating cost, so that the heating cost is reduced.

This water heater (1A) is provided with: a heating device that heats hot water; a hot water storage tank that is disposed below the heating device and stores the hot water heated by the heating device; and a heat insulation member (54) that has a top surface part (541A) disposed between the heating device and the hot water storage tank and covers the hot water storage tank. The top surface part (541A) has at least one of a recess, which is fitted to at least one component constituting the heating device and supports the component, and a protrusion, which abuts on at least one component constituting the heating device and defines the position of the component.

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.

A heat interface unit (HIU) 104 comprises a heat network flow inlet 200 and a controller (214, figure 2). The controller is operable to activate an immersion heater 304 (e.g. 7 kW cartridge heater) to

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.

The present disclosure relates to a computer-implemented method for predictively preparing a water supply system installed in a building, the water supply system including a heat pump configured to transfer thermal energy from an ambient environment to a thermal energy storage medium and including a control module configured to control the operation of the heat pump, the water supply system being configured to provide water heated by the thermal energy storage medium to users of the building at one or more water outlets, the method being performed by the control module and including: receiving a current location of the user; estimating an expected arrival time of the user to the building based on the current location; and determining an expected utilization of the building based on the expected arrival time.

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.

The invention relates to an energy system (1) and to a method for operating an energy system (1). Said energy system comprises: a hydrogen production unit (2) having at least one electrolyzer (3) for water electrolysis, said electrolyzer being thermally coupled to a cooling water circuit (4); and a heat pump (5), the heat source side (6) of which is thermally coupled to the cooling water circuit (4) and the heat sink side (7) of which is coupled via a heat exchanger (8) to a district heat or useful heat circuit (10). According to the invention, a heat store (9) is incorporated into the district heat or useful heat circuit (10), the return line (11) of which is connected downstream of the heat exchanger (8) and the feed line (12) of which is connected upstream of the heat exchanger (8) of the heat pump (5), such that heat from the heat store (9) can be used to raise the return temperature of the district heat or useful heat circuit (10).

A hybrid heating system (1) comprising a boiler (2) and a heat pump (3) is proposed, wherein the boiler (2) includes an integrated buffer storage tank (28) and the heat pump (3) is connected to the boiler (2) via a flow (6) and a return (7) of a heating circuit (5). Advantageously, the invention enables particularly simple installation of the hybrid heating system (1) as well as energy-efficient operation thereof.

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.

[0045] The invention relates to a storage system for storing thermal energy with a charging circuit comprising, in direct or indirect sequence, an evaporator and a compressor, a charging heat exchanger coupled to a heat storage device, and a throttle. The evaporator is coupled to a cold storage device or an external heat source for heat absorption.

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).