386results about "Heating fuel" patented technology

An on-demand water heater (12) includes a heat exchanger (25). Water is supplied to the water heater from a water source such as a well pump (16) or other source of water. The water supplied to the water heater is treated by at least one water conditioner 18. A plurality of electrical heating elements (26, 28, 30, 32) are supplied with electrical power from rechargeable battery pack (46). At least one circuit (48) is operative to control the delivery electrical power from the battery pack to the heating elements to provide for the delivery of heated water at a set temperature from the water heater. The battery pack of the water heater is recharged from an available supply of house current electrical power. The rechargeable battery pack of the exemplary water heater also provides an auxiliary source of electrical power for other devices in circumstances when electrical power from a usual supply source becomes unavailable.

The invention discloses a multi-energy cooperative control method and system with a self-adaptive disturbance discrimination function, and relates to the technical field of energy cooperative control, and the method comprises the following steps: constructing a multi-band phase fingerprint sequence based on the instantaneous voltage response of a photovoltaic array, and forming an initial energy transition baseline through extracting microsecond phase deviation tracks in different bands; and based on the initial energy transition baseline, constructing time series dynamic gradient mapping, converting the phase deviation trajectory into continuous power gradient distribution, and identifying a potential acceleration fragment in the power gradient distribution. According to the method, a high-sensitivity energy identification mechanism is constructed, pre-judgment is carried out in advance before photovoltaic output sharply rises, and power of different frequency bands is guided to enter a layered energy storage path based on a high-risk window, so that energy deposition according to needs is realized, local thermal stress concentration is avoided, and structural damage and energy storage attenuation of a heat storage body are effectively prevented; the stability and safety of electric heating are improved, and the service life of heat storage materials is prolonged.

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.

The system for supplying heat to a building comprises, in addition to an outside air heat exchanger (11), a fan device (12) for conveying outside air through the outside air heat exchanger (11), a latent heat storage unit (13) with a closed tank (18) and a heat pump (15), a piping system (16) filled with a liquid working medium and a pumping device (17) for conveying the working medium through the piping system. The piping system (16), the pumping device (17), the outdoor air heat exchanger (11), the heat pump (15) and the latent heat storage unit (13) form a closed circuit for the working medium and are arranged such that the working medium flows through the outdoor air heat exchanger (11), the latent heat storage unit (19) and an evaporator heat exchanger (21) of the heat pump (15) in the closed circuit in this sequence before being returned to the outdoor air heat exchanger (11).

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.

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 application relates to the field of heating and ventilation technology, and particularly relates to a control method of a heating system. The present application aims to solve the problems of high cost and high risk of refrigerant leakage existing in the current heat pump heating. For this purpose, the heating system of the present application comprises a heat pump cycle and a water cycle, the heat pump cycle comprises a variable displacement compressor, a tubular heat exchanger, a throttling device and an evaporator connected through a refrigerant pipeline, the water cycle comprises an indoor radiator and the tubular heat exchanger connected through a heat exchange pipeline, the refrigerant in the heat pump cycle and the circulating water in the water cycle exchange heat in the tubular heat exchanger, the variable displacement compressor has two compression cylinders, and the control method comprises: acquiring an outdoor environment temperature; determining a working mode of the variable displacement compressor according to a temperature interval in which the outdoor environment temperature is located; and controlling the variable displacement compressor to operate based on the working mode. The present application has good heating effect, low cost, low risk of leakage and good heat pump heating effect.

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).

A heating module (1) is disclosed, comprising: a heat pump (2) configured to extract heat from a reservoir (6) by expending technical work and supplying it as usable heat to a heating circuit (8), and an electric heater (4) configured to supply usable heat to the heating circuit (8). The heating module (1) is configured such that it can be integrated into or connected to the heating circuit (8). Furthermore, a vehicle, a household appliance, and a building heating system incorporating the heating module (1) are disclosed.

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,

Installation of a heat pump in a building, the installation comprising: a heat pump operated with a flammable refrigerant (11), wherein the heat pump is located in a casing (9) and the casing is located in a building, in the casing (9) of the heat pump an internal heat exchanger (1) which is connected to the flammable refrigerant (11) on one side and to the heating circuit water (10) on the other side, in the casing (9) of the heat pump a refrigerant / air separator (2) which is arranged downstream in the heating circuit behind the internal heat exchanger (1), in the casing (9) of the heat pump a safety valve (4) which is arranged downstream in the heating circuit behind the refrigerant / air separator (2), a heating circuit pump (5) which is arranged downstream in the heating circuit behind the safety valve (4), at least one heating consumer (8) with a hot water supply and a hot water return,A further safety valve (6) is located between the hot water inlet and the heating circuit pump (5), and a water expansion tank (7) is located between the hot water return and the internal heat exchanger (1), wherein the safety valve (4) in the heat pump housing (9) has a lower opening pressure than the safety valve (6) between the heating circuit pump (5) and the heat consumer (8), and the difference in opening pressure is set to be greater than the pressure difference due to the geodetic height of the water column between the two safety valves (4, 6).

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 invention provides an electric heating wallboard heat dissipation structure with uniform heat dissipation, and relates to the technical field of building structural members, the electric heating wallboard heat dissipation structure comprises an electric heating base layer, a back plate, a hot air flowing cavity plate, a front-back wind power circulation structure, a soaking layer, a heat conduction layer, a first countersunk bolt, a cover body and a spliced heat preservation protective shell; and heat is efficiently transmitted to the hot air flowing cavity plate by the front and back wind power circulation structures, is uniformly dispersed to the soaking layer from the hot air flowing cavity plate, and is finally uniformly dissipated to the heat conduction surface of the spliced heat preservation protective shell close to the indoor side through the heat conduction layer. The soaking layer quickly diffuses and transfers heat from the front end of the high-temperature concentrated hot air flowing cavity plate to the periphery, so that the temperature distribution is uniform, local overheating and undercooling points are remarkably eliminated, invalid overheating is avoided, the heat energy utilization rate is high, and more energy is saved; the potential safety hazard caused by local overheating is fundamentally avoided, and the service life of the product is prolonged; the scheme is easy to implement and can be combined with the existing production process, and the cost is controllable.

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.

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.

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 present application provides a heating device and household appliance. The heating device includes a heating element having an electrode portion capable of generating heat when the electrode portion is energized; a first heat dissipation group including a first heat dissipation element and a first heat conducting element, the first heat conducting element being connected between the heating element and the first heat dissipation element, the first heat conducting element and the heating element enclosing a radiation channel, and the first heat dissipation element having a through-going heat dissipation channel.

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 discloses a control method of a head-shaking type electric radiator and the head-shaking type electric radiator, the head-shaking type electric radiator comprises a base and a heating part rotatably arranged on the base, and the control method of the head-shaking type electric radiator comprises the steps that the temperature of a detection object in the space where the heating part is located is obtained; judging whether the detected object temperature is higher than a first preset value; and if the temperature of the detected object is higher than the first preset value, the heating part is controlled to increase the rotating speed when rotating to the detected object. According to the control method of the head shaking type electric heater, when the detection object in the space where the heating part is located feels hot, the head shaking speed can be increased when the heating part shakes the head to the detection object, the detection object is prevented from being overheated, manual operation is not needed, and the comfort level and experience feeling of a user are improved.

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.