245results about "Heating fuel" patented technology

The application discloses a bathroom heater constant temperature control method, device, equipment, medium and program product, and relates to the technical field of smart home. The method comprises the following steps: acquiring environment data; in response to the fact that the biological body sensing data indicates that the environment where the bathroom heater is located does not contain a specified biological body, controlling the air outlet mode of the air outlet of the bathroom heater based on temperature data; and in response to the fact that the biological body sensing data indicates that the environment where the bathroom heater is located contains a specified biological body, controlling the air outlet of the bathroom heater to diffuse air in the diffusion air outlet mode. On the one hand, the air outlet mode of the air outlet of the bathroom heater is controlled based on the acquired temperature data, the air outlet mode of the air outlet of the bathroom heater is switched between the diffusion air outlet mode and the concentrated air outlet mode, the environment where the bathroom heater is located can quickly reach a constant temperature, and the working efficiency of the bathroom heater is improved. On the other hand, in the case that the environment where the bathroom heater is located contains a specified biological body, the air outlet mode of the air outlet of the bathroom heater is kept in the diffusion air outlet mode, and the performance utilization rate of the bathroom heater is improved.

One variation of a method includes, during a first time period preceding a predicted hot water consumption event within a building: triggering a heat pump arranged within a water heater to heat water toward a target supply temperature for water supplied to a building by the water heater; and, at the water heater, supplying water, proximal the target supply temperature, to the building during the hot water consumption event. This variation of the method also includes, during a predicted null hot water consumption window within the building: triggering the heat pump to maintain water stored in the water tank proximal a nominal temperature less than the target supply temperature; and, at the water heater, in response to detecting flow of water from the water heater, triggering an inline heater, arranged within the water heater, to heat water toward the target supply temperature.

A thermal storage system that includes one or more thermal storage tanks having a tank body that defines a tank cavity configured to hold a tank thermal storage medium; a heat exchanger assembly disposed in the tank cavity configured to run a flow of working thermal storage medium through the one or more thermal storage tanks so that heat exchange occurs between the flow of working thermal storage medium and the tank thermal storage medium; one or more cables that extend to one or more rooms of the building; and one or more heat exchange elements disposed within the one or more rooms configured to receive a flow of the working thermal storage medium from the one or more cables so that heat exchange occurs between the flow of the working thermal storage medium and an environment of the one or more rooms of the building.

The invention relates to an air conditioning system (10) that provides simultaneous domestic hot water heating and defrosting operation support to a heat pump (40).

The installation (21) comprises: a primary refrigerant circuit (22), including: - an outdoor unit (23) comprising at least: a first compressor (34), a first heat exchanger (25) configured to exchange heat between a first refrigerant and the outside air, and at least one first expansion valve (26), - an indoor unit (29) comprising at least one second heat exchanger (30) configured to exchange heat between the first refrigerant and the inside air, a secondary refrigerant circuit (32) independent of the primary circuit (22), intended to be installed inside the dwelling and comprising: - a water heater comprising a tank (33), a condenser (35), a second compressor (34) and at least one second expansion valve (36),the primary circuit (22) comprising at least one third heat exchanger (37) allowing the primary circuit (22) and the secondary circuit (32) to be thermally coupled directly or indirectly. Figure from the abstract: Figure 2,

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 application provides a PTC heating circuit and a heating method, which comprises the following steps: connecting the first end of the first-stage switching circuit with the L-phase line of an external AC power supply; connecting the second end of the first-stage switching circuit with the first end of the second-stage switching circuit; connecting the third end of the first-stage switching circuit with an external DC power supply; connecting the fourth end of the first-stage switching circuit with an external controller; the first-stage switching circuit comprises a relay; connecting the second end of the second-stage switching circuit with the first end of a PTC heater; connecting the third end of the second-stage switching circuit with the external DC power supply; connecting the fourth end of the second-stage switching circuit with the external controller; and connecting the second end of the PTC heater with the N-phase line of the external AC power supply. By implementing the application, the relay is not directly subjected to the large current impact of the ceramic PTC heater when it is first turned on, so that the relay type does not need to be increased, and the cost increase caused by the relay is avoided.

The embodiment of the invention provides a bath heater and an air duct assembly, and relates to the technical field of household appliances. The bath heater comprises an air duct assembly, and the air duct assembly comprises an air duct shell, a fan, a first surrounding piece and a second surrounding piece. The fan is arranged in the air duct shell. A first flow channel and a second flow channel are arranged in the air channel shell. The first flow channel and the second flow channel are provided with a first swing blade and a second swing blade correspondingly, and the first swing blade and the second swing blade can rotate relative to the air channel shell so that the first air outlet and the second air outlet can be closed at the same time and the air inlet can communicate with the ventilation opening. Or the first air outlet and the second air outlet are both communicated with the air inlet and the air exchange port is isolated from the air inlet, or one of the first air outlet and the second air outlet is communicated with the air inlet and the other one is closed and the air inlet is communicated with the air exchange port. The single fan can achieve air outlet and air exchange of the bath heater at the same time, switching between an air exchange mode and an air outlet mode can be achieved, cost can be reduced, and the length of the whole machine can be reduced.

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.

A domestic hot water provisioning system includes a cold water inlet (302) for receiving cold water from a mains supply, a hot water outlet (304) connected for providing hot water on demand to a domestic hot water outlet activated by a user, a heat exchanger (308), the heat exchanger for heating water using a hot fluid received from a hot fluid source (306), an electric heater (326), a thermal storage appliance (342) for storing heat, a circulation pump (320) for pumping water from the thermal storage appliance (342) to the heat exchanger (308), and a controller (340) for controlling operation of the system in an initial hot water mode in which hot water from the thermal storage appliance (342) is passed to the hot water outlet (304), if the thermal storage appliance (342) has sufficient heat stored therein, and controlling the system to pass water from the heat exchanger (308) and the electric heater (326) to the hot water outlet (304), if the thermal storage appliance (342) does not have sufficient heat stored therein.

The invention relates to a refrigerant system with a refrigeration circuit, with a system housing which, in the installed state, is set up in an installation room and in which at least several components of the refrigeration circuit and further components, such as hydraulic or electrical components, are arranged, wherein a sealed control housing is arranged within the system housing, in which the components compressor, expansion valve and at least one and preferably both heat exchangers of the refrigeration circuit are arranged, wherein furthermore a discharge line for discharging gas from the control volume is connected to the control housing and is in a preferably permanently open flow connection with an outside area outside the installation room.

A tank for storing an energy storage liquid for use in a domestic hot water supply system, wherein the tank is unpressurised, is of a substantially cuboid form, has maximum dimensions of 600mm wide x 600mm depth x 900mm height, has minimum dimensions of 300mm x 300mm x 400mm, and comprises at least two outlets and at least two inlets and all of the inlets and outlets of the tank are located substantially at the bottom of the tank.

The invention relates to a heat pump frame kit (1) for a hybrid energy transformation device, the heat pump frame kit (1) comprising a frame (2) for connecting the heat pump frame kit (1) to a wall and to a boiler unit (500) and a heat exchanger (9) for heat exchange between a refrigerant of a heat pump unit (200) and a load circuit (300) and a distributor (10) arranged within the volume delimited by the frame (2), in particular connected to the frame (2), and fluidically connected to the heat exchanger (9), wherein the distributor (10) comprises at least one load connector set (17) for connecting a cavity of the distributor (10) with at least one load circuit of an energy system (400) wherein the at least one load connector set (17) for connecting a cavity of the distributor (10) with at least one load circuit (300) of an energy system (400) comprises an outlet connector configured to convey water from the distributor (10) to the at least one load circuit (300) and a return connector configured to convey water from the at least one load circuit (300), via the heat exchanger (9), to the distributor (10), in particular to the cavity of the distributor (10).

The application discloses a control method of a CO2 heat pump system in a circulating heating mode, and relates to the technical field of household heat pump water heater system control, and solves the technical problem of low operation efficiency of the CO2 heat pump system in the circulating heating mode, and the technical solution is that the control frequency is determined according to the operation stage of the CO2 heat pump system in the circulating heating mode, the water temperature in and out of the air cooler is collected to calculate the optimal opening degree of the electronic expansion valve, and the opening degree of the electronic expansion valve is adjusted to enable the system to operate in the optimal circulating state. The optimization strategy of the control method is to keep the optimal operation state in the dynamic operation process of the system, thereby improving the total operation efficiency and reducing the overall operation power consumption; meanwhile, the optimal opening degree function correlation formula is used as the control method, the rapid control demand is met, and the easy implementation of the control method is ensured.

The invention relates to a heat pump frame kit (1) for a hybrid energy transformation device (600), the heat pump frame kit (1) comprising a frame (2) for connecting the heat pump frame kit (1) to a wall and to a boiler unit (500), in particular a boiler frame kit (100), and a heat exchanger (9) for heat exchange between a refrigerant of a heat pump unit (200) and a load circuit (300), wherein the heat exchanger (9) is arranged within a volume delimited by the frame (2) and wherein the heat pump frame kit (1) comprises a set of coupling elements (15) to fluidically connect a first boiler connector set (18) for fluidically connecting a boiler unit (500) to a first load circuit (300), wherein the heat pump frame kit (1) comprises a distributor (10) arranged within a volume delimited by the frame (2), in particular connected to the frame (2), and fluidically connected to the heat exchanger (9), wherein the distributor (10) comprises at least one load connector set (17) for connecting a cavity of the distributor (10) with at least one load circuit of an energy system (400) and comprises a second boiler connector set (18') for fluidically connecting the distributor (10), in particular the cavity of the distributor (10) with the boiler unit (500).

A water heater has a container storing a volume of water and a heater for heating water in the container. Water may flow into and out of the container via an inlet and outlet, the inlet being positioned below the outlet. A mixing arrangement for mixing water in the container is operable to reduce the temperature difference between water at different parts of the container. The heater is arranged to heat water in the container when the water temperature is greater than a first set point and not to heat water when the water temperature is less than a second set point. The mixing arrangement is arranged to mix water in the container when the water temperature is greater than a third set point and not to mix water when the temperature is less than a fourth set point. The water heater may be a domestic water heater.

The present invention relates to a system for producing hot water on a livestock farm, comprising a thermodynamic water heater (2) including a water-to-water heat pump (4) connected to at least one return circuit (5, 6) having (a) at least one comfort mat (5) including several fluid-tight cavities (77) intended to contain a heat transfer fluid, the fluid-tight cavities (77) being located at least partially below at least one containment zone (71), and (b) circulation means (8, 51) for circulating the heat transfer fluid in the return circuit (5, 6) through the at least one comfort mat (7). [Selected Figure] Figure 1

To provide a water heater which can inhibit sharp rise of manufacturing costs in a structure which houses a fine bubble generator in a housing.SOLUTION: A water heater 1 includes: a housing 8; combustion apparatuses 31, 32; heat exchangers 41A to 42B; a water supply pipe P1; a hot water supply pipe P2; a water supply connection member 10; a hot water connection member 20; and a water amount control unit 50. The water heater 1 further includes a fine bubble generator 9 which is connected to a middle of a specific pipe P2, one of the water supply pipe P1 and the hot water supply pipe P2, in the housing 8, has a substantially cylindrical shape whose length as seen in an axis X9 direction is larger than an outer width, and generates fine bubbles in hot water flowing therein. The fine bubble generator 9 has: an inflow port 91H which is located at one side as seen in the axis X9 direction and into which hot water flows from the upstream side P2U of the specific pipe P2; and an outflow port 92H which is located at the other side as seen in the axis X9 direction and causes hot water including the fine bubbles to flow out to the downstream side P2D of the specific pipe P2. The fine bubble generator 9 is located below flame holes 31F, 32F of burners 31B, 32B.SELECTED DRAWING: Figure 4

A hybrid heating system for controlling heat and comfort of a building is disclosed with both heat pump and furnace heating. Upstream temperature and humidity sensors measure conditions for an intake, and downstream temperature and humidity sensors measure conditions for an outlet of the hybrid heating system. A control unit receives readings from the upstream and downstream temperature and humidity sensors to control operation of the heat pump and the furnace. The control unit determines that the downstream humidity sensor is reading outside of a desired humidity downstream and modulates heating operation of the heat pump and / or the furnace to achieve the desired humidity downstream for the desired temperature downstream.

A water heating system includes a hot water outlet valve 358, mains cold water inlet valve 356, electric heater 326, water tank 342, manifold (364, figure 7) and controller 340. The electric heater co

The invention relates to a heating body (10) comprising a plurality of heat pipes (14) filled with a working medium (12), which preferably run parallel or substantially parallel, each having a first end (20) and a second end (22), and a heat source (16) which is thermally coupled to the first end (20) and / or the second end (22) of the heat pipes (14). In order to improve the efficiency, to shorten the heating time and to achieve a uniform heat distribution, it is provided that the first end (20) of the heat pipes (14) is configured open and is in fluid connection with a first cross connection (24), and / or the second end (22) of the heat pipes (14) is configured open and is in fluid connection with a second cross connection (26), wherein the heat pipes (14) and the cross connections (24, 26) form a common cavity which is filled with the working medium (12), and the first cross connection (24) or the second cross connection (26) is thermally coupled to the heat source (16) in order to absorb heat from the heat source (16).

A heat pump (1) for heating or cooling a building and for supplying the building with hot water is proposed, comprising a refrigeration circuit (8) in which a refrigerant circulates, a first heat exchanger (2) configured for heat exchange with an ambient medium, a second heat exchanger (3) configured for heat exchange with a heating circuit (7), and a third heat exchanger (4) configured to transfer heat from the refrigeration circuit (8) to water contained in a hot water storage tank (5), wherein: - in heating mode, the first heat exchanger (2) acts as an evaporator and transfers heat from the ambient medium to the refrigeration circuit (8), and the second heat exchanger (3) acts as a condenser, extracting heat from the refrigeration circuit (8) and transferring it to a heating circuit (7).and - in a cooling operation, the second heat exchanger (3) acts as an evaporator and transfers heat from the heating circuit (7) to the refrigeration circuit (8), and the third heat exchanger (4) transfers heat from the refrigeration circuit (8) to water contained in the hot water storage tank (5), and the third heat exchanger (4) is arranged in a bypass line (21) of the first heat exchanger (2), and a three-way valve (6) is configured to direct a refrigerant flow completely to the first heat exchanger (2) or the third heat exchanger (4), or to divide it between the first heat exchanger (2) and the third heat exchanger (4).

The embodiment of the present application provides a kind of incubator equalizing temperature system and incubator, including shell, heating assembly, centrifugal fan and partition and air guide structure;The upper surface of the base of the shell is concave to form a gas inflow passage, the centrifugal fan is arranged above the middle part of the gas inflow passage, two heating assemblies are arranged in the gas inflow passage, and are respectively located on the two sides of the centrifugal fan;The partition is arranged above the centrifugal fan, the partition is correspondingly concave to form first and second convex parts downwards at the position of two heating assemblies, and the sidewall between the first and second convex parts forms a gas outflow passage;Flow guide structure is formed on the bottom surface of the partition;The air guide structure is arranged on the side plate, and the flow guide structure and the air guide structure are used to guide the flow direction of air vortex.The equalizing temperature system can balance the temperature in the baby incubator, and improve the comfort.

Room temperature control system for cooling and / or heating a room in a building, comprising: a central heating distribution system, comprising a central fluid-filled heat distribution circuit, and a central heat pump connected to the distribution circuit and configured for adding and removing heat from the distribution circuit; a mobile heat pump unit for cooling and / or heating the room in the building, comprising: an air heat exchanger for exchanging heat with air in the room, and a fluid heat exchanger comprising a fluid input conduit and a fluid output conduit, wherein each are provided with fluidic plugs, at distal ends thereof, that are distal to the fluid heat exchanger, for releasably coupling the fluid input conduit and fluid output conduit to a fluidic socket connected with the distribution circuit, such that the fluid heat exchanger may exchange heat with the distribution circuit.

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.

The invention discloses an anti-corrosion application device of a plastic-aluminum composite heating radiator in an air energy anti-freezing solution heating system, and belongs to the technical field of air source heat pump low-temperature heating. According to the device, an existing plastic-aluminum composite heating radiator is innovatively applied to an air energy heating system, an inner-layer plastic inner container is adopted to enable anti-freezing liquid to be completely isolated from a metal structure of the heating radiator, and corrosion prevention and leakage prevention are achieved; the built-in condensing coil is immersed in the anti-freezing solution to realize indirect heat exchange with a refrigerant; the system is provided with multiple independent control valves, and heating can be controlled in groups. The industrial problem that the metal heating radiator is corroded by the anti-freezing solution is solved structurally, the use scene of the plastic-aluminum composite heating radiator is expanded, and the plastic-aluminum composite heating radiator has the advantages of corrosion prevention, freezing prevention, energy conservation, safety, reliability and the like and is suitable for household type air energy heating systems in northern low-temperature areas.

A heat pump water heater has a tank, a heat source, and a heat pump system. The heat pump system has a refrigerant path, at least a portion of which is in thermal communication with the water tank volume so that heat transfers from refrigerant to the water tank volume. A fan causes air to flow through a housing, and another portion of the refrigerant path includes an evaporator in the housing. The fan is within the housing and may further be within a second housing. The first housing may comprise a baffle to direct air flow. The fan may be a variable speed fan in communication with a controller, so that the controller controls the fan speed depending on a temperature of the refrigerant.