824results about "Heating fuel" patented technology

The invention provides an underground heat supply system based on an air energy heat pump as a heat source and a remote monitoring method, and the system comprises a heat source dynamic tuning subsystem which carries out the dynamic parameter optimization processing of environment temperature and energy storage state data, and obtains an air energy heat pump operation instruction; first characteristic adjustment of air energy heat pump output is formed through an air energy heat pump operation instruction, and matching of the temperature of an energy storage water tank and an environment heat source is achieved. The underground hot air accurate adjusting subsystem obtains underground real-time temperature data, the underground real-time temperature data is subjected to spatial thermal field calculation processing to obtain air volume demand parameters, and dynamic balance between the air supply intensity and the underground thermal environment is formed; and the multi-stage cooperative control center subsystem performs three-stage logic verification processing on the signals of the air energy heat pump operation instruction and the fan frequency instruction to obtain an equipment regulation and control instruction set. The underground intelligent heat supply system of the air energy heat pump, which has the environment self-adaption capability, the dynamic balance capability of a thermal field and the remote monitoring characteristic, is constructed.

The invention provides a heat supply device of a photoelectric heating all-in-one machine, and belongs to the technical field of heat supply control. According to the device, the maximum power generation power of a photovoltaic panel is automatically tracked through the photovoltaic adaptation module, the photovoltaic power supply heating module is directly driven, the photovoltaic power supply heating module is always kept near the maximum power point, and the photovoltaic power generation heat transfer efficiency is improved; through feedback of the temperature transmitting module, the intelligent control module controls the photovoltaic adaptation module and the mains supply control module at the same time, photovoltaic direct drive and mains supply can be automatically matched to assist in automatic conversion of heating control for complementary heat supply, the intelligent control module has a temperature compensation control technology, and when the photovoltaic heat supply temperature is lower than the lower limit, the intelligent control module controls the intelligent control module to supply heat. Mains supply is automatically switched on for temperature compensation; meanwhile, the photovoltaic adaptation module and the photovoltaic power supply heating module are independent systems, the commercial power control module and the commercial power supply heating module are independent systems, and the two systems are independent of each other, have no interference to a power grid and are more stable and safer in operation. The intelligent heat supply mode switching method and device can improve the intelligence of heat supply mode switching.

The invention belongs to the technical field of building heat supply and intelligent power grid demand response control, and particularly relates to an intelligent power grid-oriented heat pump dynamic preheating and demand response control method, which comprises the following steps of: identifying building thermal characteristic parameters, introducing real-time environment variables such as external meteorological parameters and the like and thermal resistance and thermal capacity characteristics of a building, excessive or insufficient preheating caused by only relying on a timer is effectively avoided, and the balance of accurate heat supply and energy conservation is achieved; by adjusting the preheating starting time and the peak period temperature control strategy, the heat pump can dynamically respond according to the electricity price or the power grid demand signal, and the peak load is translated or reduced, so that the dual purposes of economic benefits, energy conservation and emission reduction are achieved; and formulating a peak period control strategy and formulating a non-peak period control strategy. According to the control method, actual thermal characteristics and external meteorological conditions of a building are taken as cores, load reduction in the peak period of a power grid and indoor thermal comfort are taken as double targets, and preheating time self-adaption, demand response flexibility and system operation reliability are achieved at the same time.

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 relates to the technical field of building energy conservation, in particular to an edge computing cooperative communication method for multiple heat pumps and a photovoltaic system, which comprises an edge server, a cloud server, multiple heat pumps, a variable frequency pump and an indoor and outdoor heat supply device, and is characterized in that the edge server realizes time synchronization of equipment through an OPC UA over TCSN protocol, a multi-level energy topology network is established, and the multi-level energy topology network is connected with the cloud server; in combination with physical energy flow and information flow, based on a building heat balance equation, an edge server controls a heat pump to work at an energy-saving operation point according to indoor and outdoor temperatures and user requirements, and the flow of a variable frequency pump is adjusted. In addition, multi-mode state sensing is achieved through the distributed sensor network, a layered self-adaptive control strategy is executed, photo-thermal collaborative optimization and heat pump group collaborative control are achieved, the system collaborative control precision is remarkably improved through the method, the time synchronization error is reduced by three orders of magnitude, and the system response speed reaches the millisecond level and is 10 times faster than that of a traditional system.

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 boiler is provided that is configured for use with an indirect water heater and a hydronic space heating system. When a heat source is firing at a predetermined firing rate, the boiler compares the firing rate to a predetermined firing rate and controls the water flow based on a simultaneous heat demand from the hydronic space heating system and the indirect water heater based on a result of the comparing the firing rate to the predetermined firing rate. A boiler is also provided with a carbon dioxide gas sensor that detects a value of carbon dioxide. When the value of carbon dioxide exceeds a selected value of carbon dioxide, the boiler reduces the predetermined firing rate. A kit for a boiler assembly and a method for assembling a stand to a boiler are also provided.

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.

A water heater is provided that heats water in a storage tank and discharges the heated water. The water heater includes a storage tank configured to store water, at least one first temperature sensor configured to sense a temperature of the water stored in the storage tank, a second temperature sensor configured to sense a temperature related to an outside of the water heater, a first heat exchanger comprising at least one heating element configured to heat the water, a second heat exchanger comprising a heat pump system and configured to heat the water, and a controller configured to control at least one of the first heat exchanger and the second heat exchanger based on a temperature sensed by the second temperature sensor and a set water temperature.

The disclosed technology includes an on-demand water heater which uses a heat pump to heat the fluid. The on-demand heat pump water heater can have a low fluid capacity heating chamber which has an inlet and an outlet, a heat pump for heating the fluid, and a controller to control the heat pump and maintain the temperature of the fluid at a predetermined temperature. The on-demand heat pump water heater can include one or more temperature sensors, flow sensors, fluid mixing valves, or supplemental heat sources.

The invention discloses a heat supply and power generation decoupling method and system for improving the peak regulation capacity of a heat supply unit, and relates to the technical field of thermal power generation. Through the synergistic effect of a phase change heat storage technology and efficient electric heating equipment, the peak regulation capacity of the heat supply unit is remarkably improved, and through reasonable configuration of system components, the heat supply and power generation decoupling efficiency is improved. Balance of economical efficiency and high efficiency of the system is achieved, operation cost is reduced, operation parameters can be monitored in real time through the intelligent control unit, intelligent regulation and control can be implemented on the basis of monitoring data, meanwhile, a self-adaptive learning function is achieved, a control algorithm is optimized from historical operation data, efficiency of the system is improved, and the service life of the system is prolonged. By configuring an intelligent sensor network, a communication module and a user interface, communication safety and visual friendliness of user operation can be ensured, the problem that the peak regulation capacity of a traditional combined heat and power generation system is insufficient is effectively solved, and the system has high practicability and popularization value and is worthy of popularization. And an innovative solution can be provided for improving the overall peak regulation performance and economy.

The invention relates to a method for operating a hybrid combination heating appliance (200) for tempering a heating water flow (1) and a domestic hot water flow (2). A heat generator (206) and / or a heat pump heat exchanger (202) connected in series with it in a heating water circuit (208) temper the heating water flow (1), wherein the heat pump heat exchanger (202) can be connected to a heat pump (300) on the secondary side. The heating water flow (1) flows into a connectable, building-side section of a heating water circuit (400) or into a hydraulically parallel bypass (214) of the hybrid combination heating appliance (200) with a domestic hot water heat exchanger (216), wherein a valve device (220) directs the heating water flow (1) into the heating water circuit (400) or into the bypass (214).It is proposed that a control unit (204) detects a risk of icing at the heat pump heat exchanger (202) and / or at another heat exchanger (308) of the heat pump (300) and switches the valve assembly (220) depending on the detected risk of icing so that the heating water flow (1), in particular coming from the heat generator (206), flows through the bypass (214) and the heat pump heat exchanger (202). The heating water flow (1) is in particular greater than or equal to a predefinable minimum flow rate.

A heat pump system includes a heat pump and an auxiliary heat source. A heating coefficient of performance is determined for the heat pump based on ambient outdoor air temperatures, and the heat pump is operated to heat a process fluid an output temperature based on the heating coefficient of performance and a reference heating coefficient of performance. The auxiliary heat source can be operated to bring the process fluid to a target temperature for heating a load, with the target temperature being a function of the ambient outdoor air temperatures.

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 object of the invention is a mixing system (1) comprising at least a boiler (2) and a heat pump (3) through which technical fluids for room heating and / or for domestic water production circulate, and an associated method for managing and controlling the switching cycle (ON / OFF) of said heat pump (3) during domestic hot water (DHW) intake. The method comprises at least the following steps: during said domestic hot water (DHW) water intake, ensuring flow to the heat pump (3) at a flow rate mchHP at least adapted to avoid closing thereof, and ensuring a complete achievement of this DHW water intake.

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).

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).

The invention discloses an electric field radiation elimination structure and method and an electric heating film without electric field radiation, and relates to the technical field of electric field shielding, the electric field radiation elimination structure comprises an electric field radiation elimination layer, a grounding wire is connected outside the electric field radiation elimination layer, and the outer surface of the electric field radiation elimination layer is coated with an electric field adsorption layer; the electric field adsorption layer is formed by drying MXene complex liquid on the outer surface of the electric field radiation elimination layer; the electric field adsorption layer added on the surface of the electric field radiation elimination layer not only greatly improves the electric field shielding energy efficiency of the electric field radiation elimination layer, but also improves the thermal stability of the electric field shielding energy efficiency of the electric field radiation elimination layer, and meanwhile, the electric field adsorption layer also greatly improves the oxidation resistance of the electric field radiation elimination layer. And the service life of the electric field radiation elimination layer is prolonged.

A collaborative optimization method for an Electric and Heating Networks (EHN) and a building user includes: establishing a coordinated optimization scheduling framework of the EHN and a building in a park; based on the coordinated optimization scheduling framework, constructing an optimal thermal power flow scheduling model of the EHN, and constructing a building model to simulate thermal characteristics and energy consumption of the building; based on the optimal thermal power flow scheduling model and the building model, taking the lowest operation cost of EHN and the lowest heat consumption of building user as a goal, constructing a collaborative optimization model of the EHN and the building user; outputting a collaborative optimization scheme of the optimal thermal power flow scheduling of the EHN and the heat consumption of the building user through the collaborative optimization model of the EHN and the building user.

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.

The invention belongs to the technical field of energy storage systems, and relates to a waste space energy storage and solar energy coupling comprehensive energy supply system which comprises an underground reservoir, an overground reservoir, a pumped storage and power generation unit, a solar photovoltaic panel, a heat storage water tank, a refrigerating and heating unit, a power storage unit and an independent refrigerating unit. Electric energy generated by the solar photovoltaic panel and the pumped storage and power generation unit can be supplied to the heat pump and the user side, so that the heat pump can cooperate with the underground reservoir to supply heat and cold to the user side, meanwhile, hot water generated by the solar photovoltaic panel can supply heat and hot water to the user side, and the solar photovoltaic panel can cooperate with the independent refrigeration unit to supply cold to the user side. According to the system, multiple energy supply modes of heating, cooling, power supply and hot water supply are achieved while energy storage is achieved, the utilization efficiency of energy is improved, meanwhile, green power generated through power generation of the solar photovoltaic panel supplies power to all electric equipment in the system, and power production and marketing balance in the system is achieved.

A system 100 for controlling operation of a heat pump 104 configured with an electric heater 106. The system 100 comprises an occupancy sensor 110 positioned in an area of interest "AOI" 102 and is operable to detect presence / absence of occupants within the AOI 102. The system 100 supplies air within the AOI 102 while flowing the air through the heat pump 104 and the electric heater 106. The system 100 comprises a controller 116 that is configured to receive data pertaining to a first predefined temperature for the air to be supplied to the AOI 102, monitor real-time temperature of the air being supplied to the AOI 102, detect, using the occupancy sensor 110, presence of the occupants within the AOI 102, and operate, upon detecting the presence of the one or more occupants within the AOI 102, the heat pump 104 and / or the electric heater 106 to adjust the temperature of the air being supplied to the AOI 102 to the first predefined temperature.

The disclosure relates to a method (500) for controlling a decentralized heat pump system (100). The system (100) comprising: a first set (110) of one or more heat pump modules; and one or more second sets (120a-c) of one or more heat pump modules (121, 122, 123, 124); the method (500) 5 comprising: determining (S502) at least one of an outdoor temperature, and data pertaining to an electric grid status of an electric grid (150, 160a-c), determining (S504), based on at least one of said outdoor temperature, and said data pertaining to the electric grid status, and, optionally, a specification of the system (100): an ambient side fluid recirculation loop temperature set 10 point of a working fluid of an ambient side fluid recirculation loop (102); detecting (S506) a temperature of the working fluid of the fluid recirculation loop (102); and controlling (S508) an operation of the first set (110) to adjust the first working temperature of the working fluid of the fluid recirculation loop (102) to match said ambient side fluid recirculation loop temperature set point.

A heating system (10a; 10b; 10c) is proposed, comprising a heating device (12a; 12b; 12c), in particular a hybrid heating device comprising at least two heating units (14a, 16a; 14b, 16b; 14c, 16c), and an alternative heating unit (18a; 18b; 18c), which is in particular designed as an electric heating block.

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 discloses a control method and device of a ground source heat pump system, the ground source heat pump system, a storage medium and a computer program product, the ground source heat pump system comprises a water tank, a floor heating device, an indoor heat exchanger and a ground source heat pump unit, and the method comprises the steps that the energy supply priority of the ground source heat pump unit is determined according to the outdoor environment temperature, the ground source heat pump unit is controlled to supply energy to the water tank, the indoor heat exchanger and the floor heating device according to the energy supply priority; in the process, the heat supply distribution proportion of the ground source heat pump unit is determined according to the temperature of the water tank, and the ground source heat pump unit is controlled to supply heat to the water tank and the floor heating device according to the heat supply distribution proportion. According to the scheme, by dynamically adjusting the energy supply priority and the heat supply distribution proportion of the ground source heat pump unit, the problems of fixed control priority and control lag are solved, and the system energy efficiency is improved.

A building heating system, including for heating water, such as tap water and / or utility water, of a building water system. The embodiments also relate to a kit of part to realize such a building heating system. The embodiments further relate to a method for controlling the building heating system.

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.

The invention discloses double-heat-source equipment and a heating control method and device thereof. The heating mode of the double-heat-source equipment comprises heat pump heating and furnace heating. The method comprises the steps that whether the current outdoor temperature is smaller than or equal to the preset temperature or not is judged; if the current outdoor temperature is smaller than or equal to the preset temperature, a combustion furnace is used for heating; if the current outdoor temperature is larger than the preset temperature, the heating mode needing to be used currently is determined according to the current fuel gas cost and the current electricity utilization cost; switching of heating modes is controlled according to the operation condition of the heat pump in the heat pump heating period; and switching of the heating modes is controlled according to the operation duration of the combustion furnace and the outdoor temperature in the combustion furnace heating period. The heating modes are switched according to the outdoor temperature, the fuel gas cost, the power utilization cost and the actual operation condition of the equipment, the heating mode with the optimal cost and the optimal heating efficiency is automatically switched for operation, energy loss is reduced, manual switching by a user is not needed, excessive greenhouse gas emission caused by excessive use of a combustion furnace is avoided, and the user experience is improved.