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6461 results about "Water heater" patented technology

Thermal management system for vehicle

In an embodiment, a thermal management system for a vehicle includes a refrigerant circuit having a compressor, a condenser, an expansion valve, and an evaporator, all connected via refrigerant lines, so that refrigerant passes and circulates therethrough, a coolant circuit having a water pump, a chiller, a water heater, a heater core, and a battery coolant passage through a coolant line, a bypass line installed to connect a refrigerant line between the compressor and the condenser to a refrigerant line between the expansion valve and the evaporator, a branch line branched from the bypass line and connected to the coolant line of the coolant circuit through the chiller, and a valve device configured to control a flow of the refrigerant so that the refrigerant circulating along the refrigerant line flows by selectively passing through the bypass line, the branch line, and the chiller.
Owner:HYUNDAI MOTOR CO LTD +1

Water heater

Disclosed is a water heater including a case provided with an air supply hole and an air discharge hole, a burner provided in an interior of the case, and a humidified air supply part that provides humidified air to the burner together with a fuel. The humidified air supply part includes a first accommodation tank that accommodates water to generate vapor, and a humidified air supply tank that provides a space for supplying the vapor supplied from the first accommodation tank to air introduced into an interior of the case through the air supply hole.
Owner:KYUNGDONG NAVIEN CO LTD

Building integrated energy system optimization scheduling model and method giving consideration to comfort level of light storage soft environment

The invention discloses a building integrated energy system optimization scheduling method giving consideration to the comfort level of a light storage soft environment, and relates to the field of building energy system optimization scheduling, and the method comprises the steps: building a photovoltaic output uncertainty model based on Beta distribution according to typical daily solar radiation intensity data; secondly, constructing an energy storage model; thirdly, a comfort level quantitative model considering temperature regulation and control of the indoor air conditioner and the electric water heater is constructed, and the influence on the environmental comfort level is reflected laterally; and finally, according to the various formed models, constructing a building integrated energy system optimization scheduling model considering the light storage soft comfort degree, and performing solving based on a mixed integer linear programming method. The environment comfort level of the building integrated energy system can be quantified, the flexibility of the building integrated energy system is improved by introducing photovoltaic and energy storage equipment, flexible scheduling of load resources is facilitated, peak load shifting is better achieved, the operation cost of the building integrated energy system is reduced, and the operation efficiency of the building integrated energy system is improved.
Owner:STATE GRID CHONGQING ELECTRIC POWER CO ELECTRIC POWER RES INST +2

Fused salt heat storage and solar energy coupled industrial steam supply peak regulation system and method

The invention relates to the technical field of multi-energy complementary power generation, and discloses an industrial steam supply peak shaving system and method coupling fused salt heat storage and solar energy, and the industrial steam supply peak shaving system comprises a coal-fired power generation system and an industrial steam supply system; in the heat storage mode, the boiler, the steam cooler and the condenser are sequentially connected; in the heat release mode, the high-pressure heater, the primary feed water heater and the low-pressure cylinder are sequentially connected through pipelines; and the feed pump, the secondary feed water heater and the boiler are connected in sequence. In the low ebb of the electrical load, solar energy is used for heating fused salt to store heat, and part of high-temperature steam is extracted from steam-water circulation of the improved coal-fired power generation system to store the heat in a heat storage device and does not enter a steam turbine for power generation; the power load output is adjusted by adjusting the thermal load output of the thermodynamic system in the power generation process, and load decoupling of the boiler and the steam turbine is achieved. And in the electrical load peak, the stored heat energy is released back to steam-water circulation, and the electrical load of the coal-fired power generation system is increased.
Owner:DATANG BINZHOU POWER GENERATION CO LTD +1

Plumbing assembly with a swivel adapter and method of manufacturing the same

A hose assembly for use with a tankless water heater. The hose assembly includes a flexible hose, a first connector assembly, and a second connector assembly. The first connector assembly is fluidly coupled with the flexible hose and includes a first fitting. The first fitting is rotatably coupled with the first connector assembly such that the first fitting is independently rotatable relative to the flexible hose. The second connector assembly is fluidly coupled with the flexible hose opposite to the first connector assembly.
Owner:RELIANCE WORLDWIDE CORP

Water heater and control method thereof

The invention discloses a water heater and a control method thereof, and relates to the technical field of water heaters. The condensing heat exchanger has a water collecting cavity; the atomization module is arranged in the water collecting cavity; the water path switching assembly is arranged among the water inlet main pipe, the main heat exchanger and the condensing heat exchanger, has a first working mode and a second working mode, and is used for sequentially communicating the water inlet main pipe, the condensing heat exchanger and the main heat exchanger to form a first flow path in the first working mode; in the second working mode, the water inlet header pipe communicates with the main heat exchanger to form a second flow path, and the water inlet end and / or the water outlet end of the condensation heat exchanger are / is disconnected from the second flow path; according to the condensation gas water heater, condensed water is discharged along with flue gas after being atomized, meanwhile, the water inlet path is switched through the water path switching assembly, and the problems that in the efficient flue gas waste heat recovery process of an existing condensation gas water heater, the condensed water generated is inconvenient to discharge, a pipeline is prone to being corroded, or frequent manual intervention is needed can be solved.
Owner:FOSHAN SHUNDE MIDEA WASHING APPLIANCES MANUFACTURING CO LTD

Water heater system

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.
Owner:CHANDLER WILLIAM D JR

Gas water heating device and condensing heat exchanger thereof

The invention discloses a gas water heating device and a condensing heat exchanger thereof, and the condensing heat exchanger comprises a heat exchange chamber, a gas water heater, a gas water heater and a gas water heater, wherein the heat exchange chamber is provided with a flue gas inlet and a flue gas outlet; a heat exchange component is arranged in the heat exchange cavity, and condensate water generated on the heat exchange component flows to the bottom of the heat exchange cavity; the atomization cavity communicates with the heat exchange cavity, a condensate water output part is arranged at the bottom of the heat exchange cavity, and condensate water flowing out of the condensate water output part flows into the atomization cavity; the first flow channel is communicated with the atomization chamber, and the first flow channel is used for guiding flue gas, which does not completely exchange heat with the heat exchange component, in the upstream of the flue gas inlet or in the heat exchange chamber into the atomization chamber; the atomization module is used for carrying out atomization treatment on the condensate water flowing into the atomization cavity so that the condensate water can form water mist; and the water mist flows out of the condensation heat exchanger along with the flue gas flowing into the atomization chamber. A condensate water discharge pipe can be omitted, and secondary condensation of water mist can be prevented in the process that the water mist is discharged outwards through the smoke outlet pipe.
Owner:A O SMITH (CHINA) WATER HEATER CO LTD

Condensation-free efficient heat exchange control method and system for full-premixing water heater

The invention discloses a condensation-free efficient heat exchange control method and system for a full-premixing water heater, and the method comprises the steps: collecting the multi-source information, such as air inlet temperature, humidity, gas flow, flue gas oxygen concentration and wall temperature, in real time, calculating a predicted dew point based on a dynamic dew point prediction model, and setting a dynamic safety boundary; the condensation risk is judged by comparing the wall temperature with the safety boundary, and active intervention is carried out in a staged cooperation mode that fuel gas and air volume are continuously adjusted firstly and then a partial combustion zone sectioning valve is rapidly turned off; the system comprises a main controller, a mesh-shaped infrared radiation burner, a sectional valve assembly, a gas proportional valve, a frequency conversion fan and related sensors. According to the invention, the system runs close to the condensation boundary through intelligent control, and the advantage of high operation heat efficiency is realized on the premise of ensuring high reliability.
Owner:ZHONGSHAN NORBIN THERMAL ENERGY TECH CO LTD

Waterway assembly and water heater

The utility model relates to the technical field of water heaters, and provides a water path assembly and a water heater, the water path assembly comprises a shell, a thermostatic valve and a water replenishing valve; a water inlet channel, a cold water channel, a water supplementing channel, a hot water channel and a water using channel are formed in the shell, the water inlet channel is used for inputting cold water, the cold water channel and the water supplementing channel are both connected with the water inlet channel, the hot water channel is used for inputting high-temperature hot water, and the water using channel is used for outputting constant-temperature hot water. The cold water path and the hot water path are connected with the input end of the thermostatic valve, and the output end of the thermostatic valve is connected with the water path to output constant-temperature hot water through the thermostatic valve; the water supplementing valve is arranged on the shell and acts on the water supplementing waterway so as to control on-off of the water supplementing waterway. The thermostatic valve and the water replenishing valve are integrated on the shell, so that connecting nodes between the valve body and a pipeline are reduced, water leakage points are further reduced, the water leakage probability of the water path assembly is lower, and a water path system is more stable.
Owner:WUHU MIDEA KITCHEN & BATH APPLIANCES MFG CO LTD

Control method of gas water heater, gas water heater and storage medium

The invention discloses a control method of a gas water heater, the gas water heater and a storage medium. The method comprises the steps that the gas water heater is controlled to be shut down; a fan in the gas water heater is controlled to execute post-cleaning operation, and whether a water using signal of the gas water heater exists or not is detected; when the water consumption signal is detected, the fan is controlled to stop executing post-cleaning operation, and the gas water heater is controlled to execute ignition operation; and when the water consumption signal is not detected, the fan is controlled to maintain execution of post-cleaning operation until the operation duration of the post-cleaning operation is longer than the target duration. The invention aims to effectively shorten the restarting time of the gas water heater after the gas water heater is shut down and ensure the use safety of equipment at the same time.
Owner:WUHU MIDEA SMART KITCHEN APPLIANCE MFG CO LTD

Water heater

The utility model relates to the technical field of household appliances, and provides a water heater which comprises a machine body, a water inlet pipe assembly, a water outlet pipe assembly and a filtering assembly, the machine body is provided with an inner container assembly, the inner container assembly is provided with a water storage cavity, and the inner container assembly is further provided with a water inlet, a water outlet and a sewage outlet which are communicated with the water storage cavity; the water inlet pipe assembly penetrates through the water inlet; the water outlet pipe assembly penetrates through the water outlet; the filtering assembly penetrates through the sewage draining exit, and a water outlet of the filtering assembly and a water outlet of the water outlet pipe assembly are connected to the same water outlet. Hot water in the water heater can be discharged through the water outlet pipe assembly and can also be discharged through the filtering assembly, the water outlet pipe assembly and the filtering assembly are both connected with the same water outlet, when the water heater discharges sewage, it is not needed to wait for the temperature of the hot water to be reduced, filtered water can be reused, and the utilization rate of the hot water is effectively increased.
Owner:WUHU MIDEA KITCHEN & BATH APPLIANCES MFG CO LTD +1

Horizontal integrated hairpin type feed water heater for power plant

The invention relates to a horizontal integrated hairpin type feed water heater for a power plant. The horizontal integrated hairpin type feed water heater comprises a left pipe box, a right pipe box, two pipe plates, a group of feed water inlet and outlet pipes, a U-shaped pipe bundle, two straight-section shells, a hairpin bend connected with the two straight-section shells, a steam inlet, a drain outlet and other parts. The device is particularly suitable for heaters with small pipe side feed water flow and higher temperature rise; the high-temperature feed water and the low-temperature feed water are distributed in the two relatively independent tube boxes, so that the temperature difference stress of a tube plate and a tube box sealing head is avoided; the overheating section, the condensation section and the subcooling section are integrated in one device, so that the occupied area of the device and the number of connecting pipelines can be reduced; deformation stress caused by thermal displacement difference of two sections of barrel bodies of the equipment can be greatly reduced through four-support configuration; the overall height of the equipment can be reduced through horizontal arrangement, and overhaul and maintenance are facilitated.
Owner:SHANGHAI ELECTRIC POWER GENERATION EQUIPMENT CO LTD

Waste heat recycling device for biogas power generation

The utility model relates to the technical field of waste heat recovery, and discloses a waste heat recycling device for biogas power generation, which comprises a heating tank body, the inner wall of the heating tank body is fixedly connected with a water storage inner container, the surface of the heating tank body is fixedly connected with a support frame, one end of the heating tank body is communicated with a smoke inlet pipeline, and the other end of the heating tank body is communicated with a smoke outlet pipeline. A smoke inlet valve is arranged on the surface of the smoke inlet pipeline, the upper end of the smoke inlet pipeline is in threaded connection with a mounting ring, and a filter screen is fixedly connected to the inner wall of the mounting ring. By arranging the smoke inlet pipeline, waste heat generated by biogas power generation enters the cavity between the heating tank body and the water storage inner container through the smoke inlet pipeline, the smoke inlet valve on the smoke inlet pipeline can control the inlet amount of waste heat smoke, and the waste heat smoke exchanges heat with the surface of the water storage inner container in the heating tank body. Water in the water heater is heated, the heated smoke is discharged through the smoke outlet pipeline, and the smoke outlet valve on the smoke outlet pipeline can adjust discharging of the smoke.
Owner:MODERN ENERGY (WUHE) CO LTD

Packaging system for a hot water heater

A packaging system for a hot water heater includes an outer box, a top insert, an offset filler, a base insert, and one or more side panels. The top insert contacts a top surface of the hot water heater and a top inside surface of outer box. The offset filler is coupled to the top insert and is sandwiched between the hot water heater and the outer box. The base insert contacts the bottom surface of the hot water heater and a bottom inside surface of the outer box. The base insert includes raised perimeter structures that form a shape that matches a shape of the bottom surface of the hot water heater. Each side panel includes a raised pattern.
Owner:RHEEM MFG CO

Condensation heat exchanger and condensation type gas water heater

The utility model discloses a condensation heat exchanger and a condensation type gas water heater, the condensation heat exchanger comprises a box body provided with a smoke inlet and a smoke outlet, a baffle plate is arranged in the box body, the baffle plate divides an inner cavity of the box body into a smoke inlet flow channel communicated with the smoke inlet and a smoke outlet flow channel communicated with the smoke outlet, and the smoke inlet flow channel is communicated with the smoke outlet. A water collecting cavity for communicating the smoke inlet flow channel with the smoke exhaust flow channel is also arranged in the box body; the condensation heat exchange pipe is arranged in the smoke inlet flow channel and is separated from the smoke exhaust flow channel through the baffle plate, and the water collecting cavity is used for collecting condensate water generated by the condensation heat exchange pipe; and the atomization module is arranged in the box body, and the atomization module is used for atomizing the condensate water in the water collecting cavity. According to the technical scheme, condensate water can be drained without being externally connected with a drain pipe, and when the condensate water pipe is applied to the condensation type gas water heater, the installation convenience of the condensation type gas water heater and the appearance integrity of the whole machine can be improved.
Owner:WUHU MIDEA KITCHEN & BATH APPLIANCES MFG CO LTD

Heating system for gradient utilization of terrestrial heat of rural residence

The invention belongs to the technical field of new energy development and utilization, and particularly relates to a rural residence geothermal gradient utilization heating system which comprises a water collecting pump arranged in a water collecting well and used for collecting geothermal water in the water collecting well; the settling tower is communicated with the water outlet end of the water collecting pump and is used for filtering and settling the geothermal water collected by the water collecting pump; the inlet end of the flash evaporation heat exchange system is communicated with the settling tower, and the flash evaporation heat exchange system is used for circulating geothermal water and enabling the geothermal water to exchange heat with the cascade heat supply system; the cascade heat supply system is used for supplying heat to the indoor system by utilizing heat obtained by heat exchange with geothermal water; a water heater; the stepped heat supply system conducts heat preservation on the outdoor water pipe through heat obtained through heat exchange with geothermal water. The problems that the heat exchanger is seriously scaled, the heat exchange effect is invalid, even the heat exchanger is corroded and the temperature of recharged geothermal tail water is high due to the fact that existing geothermal heating is directly conducted through a plate heat exchanger can be solved.
Owner:高阳县尚润热能科技有限公司

Gas distribution rod and gas water heater

A gas distribution rod body, a gas distribution pipe, a separation part and a first installation part are of an integrally-formed structure, when the winter and summer switching function is not needed, a first plugging piece can be installed in a first opening, and a third plugging piece can be installed in the corresponding first installation part; when a winter and summer switching function is needed, the gas channel can be divided into at least two gas dividing cavities only by installing the partition pieces to the corresponding partition parts, then the first plugging piece is installed in the first opening, and the control valve is installed on the first installation part according to needs. Therefore, the gas distribution rod can be simultaneously suitable for a gas water heater with a winter-summer conversion function and a conventional water heater without the winter-summer conversion function, and the applicability of the gas distribution rod is greatly improved. In addition, the utility model further discloses a gas water heater with the gas distribution rod.
Owner:CHINABEST HOME APPLIANCE

Control method and device of water heater, electronic equipment and storage medium

The invention discloses a control method and device of a water heater, electronic equipment and a storage medium. The invention relates to the technical field of smart home, and the method comprises the steps that the outlet water temperature and operation parameters of a water heater are determined, and the operation parameters comprise the heater power and the water pump rotating speed; determining whether the outlet water temperature is equal to a preset temperature value; if the outlet water temperature is not equal to the preset temperature value, determining a heater power adjusting scheme and / or a water pump rotating speed adjusting scheme based on the outlet water temperature and the preset temperature value; and adjusting the operation parameters based on the heater power adjusting scheme and / or the water pump rotating speed adjusting scheme so as to adjust the water outlet temperature of the water heater. According to the technical scheme, the operation parameters of the water heater can be adjusted through at least one adjusting scheme so as to adjust the outlet water temperature of the water heater, rapid constant temperature of the water heater can be achieved, and the use experience of a user is improved.
Owner:QINGDAO ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE HAIER WATER HEATER CO LTD +1

Control method of gas water heater, controller and gas water heater

The invention relates to the technical field of water heater control, and discloses a control method of a gas water heater, a controller and the gas water heater, and the control method comprises the steps that in response to a starting request of the gas water heater, the gas water heater is controlled to operate based on a preset feedforward control algorithm; real-time water flow of the gas water heater is obtained, and first delay duration corresponding to the real-time water flow is determined based on the real-time water flow and a first preset relation table; and if the duration for controlling the gas water heater to operate based on the preset feedforward control algorithm reaches the first delay duration, the gas water heater is controlled to operate based on the preset feedback control algorithm. According to the invention, the opportunity of switching to the preset feedback control algorithm from the preset feedforward control algorithm is dynamically determined based on the real-time water flow, so that the temperature of the system can be rapidly raised to be near the set temperature through feedforward control after the system is started, and then the system is switched to the preset feedback control algorithm in time for feedback adjustment; therefore, the constant-temperature precision can be timely improved while the response speed is guaranteed, and the constant-temperature effect is improved.
Owner:GUANGDONG WANHE THERMAL ENERGY TECH CO LTD

Welding device for water tank inner container of air energy water heater

The invention belongs to the related technical field of welding, and particularly discloses an air energy water heater water tank inner container welding device which comprises a first machine base, a motor driving device, an industrial camera, a lifting machine and a second machine base, a lead screw loading table is arranged above one end of the first machine base, and a lead screw is rotationally arranged on the inner side of one end of the lead screw loading table; the lead screw is connected with an output shaft of the motor driving device, a sliding base is slidably installed outside the lead screw loading table and is in threaded fit with the lead screw, the lifting machine is arranged on the upper surface of the sliding base, a plasma welding gun is connected to the outer side of the lifting machine through an arranged movable frame rod, and the second machine base is arranged on one side of the outer wall of the first machine base. A pipe fixing mechanism is arranged on the upper surface of the second machine base, a frame base is arranged at the position, close to the middle, of the upper surface of the second machine base, and hanging and pulling mechanisms are arranged at the two ends in the frame base correspondingly.
Owner:JIANGSU HUARUI ENERGY SAVING TECHNOLOGY CO LTD

Modular integrated bathroom suitable for rapid construction

The invention relates to the technical field of integrated bathrooms, and particularly discloses a modular integrated bathroom suitable for rapid construction, which comprises a bearing unit, a butt joint unit and a mounting unit, the bearing unit is used for being matched with a wall, the butt joint unit is used for corner parts where the bearing units are oppositely spliced, the butt joint unit is detachably connected to the bearing unit, the mounting unit is used for being matched with a water pipe, a valve and a water heater hanging piece, and the mounting unit is detachably arranged on the bearing unit. The length and the height of the wall body can be cut and adjusted according to actual space requirements to adapt to bathroom spaces of different sizes, the position of the bearing seat can be adjusted in a sliding mode, equipment such as a water pipe, a shower head and a water heater can be conveniently installed, extra cutting, punching or grooving is not needed, the construction difficulty is reduced, right-angle corner butt joint is achieved through the butt joint unit, and the construction efficiency is improved. The device adapts to different layouts and shapes of bathroom inner walls.
Owner:RUNFA HOUSING IND (CHANGZHOU) CO LTD

Energy management systems and methods

A smart water heating system is disclosed that uses advanced monitoring and control techniques to optimize energy usage and grid stability. Various features include real-time state of charge estimation for water heaters, a "digital twin" representation of each unit, predictive load modelling, and adaptive control algorithms. The system can operate individual heaters as distributed energy resources, or aggregate them into virtual power plants. It employs strategies such as load shifting to align with renewable energy availability, and cooperative multi-agent control to prevent demand spikes. The technology aims to improve energy efficiency, reduce costs, integrate renewable sources, and enhance grid stability while maintaining user comfort. Additional features include user analytics, comparative consumption reporting, and solutions for low-voltage environments using supplementary battery storage.
Owner:STATE OF CHARGE LTD

Water heater, control method and device thereof, readable storage medium and program product

The invention relates to a water heater control method and device, a water heater, a computer readable storage medium and a computer program product. The method comprises the steps that the target output power of the combustion system is obtained; determining a target driving signal of the fan assembly according to the target output power; in the process of controlling the fan assembly to operate based on the target driving signal, the current rotating speed of the fan assembly is obtained; and the opening degree of the fuel gas inlet assembly is adjusted according to the current rotating speed, so that the proportion of air entering the mixing cavity through the fan assembly to fuel gas entering the mixing cavity through the fuel gas inlet assembly is within a preset proportion range. By means of the method, the amount of fuel gas entering the mixing cavity can be matched with the amount of air, and then the proportion of the air and the fuel gas in the mixing cavity is kept within the preset proportion range. When the mixed gas in the mixing cavity is supplied to the combustion system, the combustion efficiency of the gas system can be improved, the situations of flame separation, backfire and the like possibly occurring in the combustion process are improved, and the operation safety of the water heater is improved.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

Water heater for heating water using various power sources and enhancing energy savings

A water heater and a method for heating water using various power sources and enhancing energy savings are disclosed. The water heater includes a first heating element within an inlet pipe. The first heating element draws energy from a first power source to heat water to a first temperature. The water heater further includes a second heating element within an outlet pipe. The second heating element draws power from a second power source to heat water from the first temperature to a second temperature. Optionally, when the second power source is unavailable or insufficient, then the second heating element draws power from a third power source to heat water from the first temperature to the second temperature.
Owner:BULLICK ROBERT L

Air energy water heater control system based on remote monitoring of internet of things

The invention discloses an air energy water heater control system based on remote monitoring of the Internet of Things, which comprises a data acquisition and preprocessing module used for acquiring and preprocessing multi-source real-time data of an air energy water heater to generate a data set; the conditional variation auto-encoder prediction module is used for inputting the data set into a conditional variation auto-encoder model to generate prediction data; the control parameter optimization module is used for carrying out multi-neighborhood disturbance search by adopting a variable neighborhood search algorithm according to the prediction data and outputting an optimal control strategy; the control instruction issuing and executing module is used for issuing an optimal control strategy and controlling the terminal to execute heating, heat preservation and closing operations; and the operation feedback and model adaptive optimization module is used for collecting operation feedback data and realizing adaptive updating and closed-loop control of model parameters. Intelligent analysis, prediction and self-adaptive remote regulation and control of the air energy water heater are achieved, and the energy saving performance and the use comfort degree are improved.
Owner:TONGLING HONGAN SOLAR ENERGY TECH CO LTD

Boiler, boiler assembly, and water heating system

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.
Owner:LAARS HEATING SYST

Pipeline anti-freezing device for outdoor water heater

ActiveCN222598066Uprevent frost crackingImprove antifreeze effectSolar heating energySolar heat collector controllersTemperature controlEngineering
The utility model relates to the technical field of water heaters, and discloses a pipeline anti-freezing device for an outdoor water heater, which comprises a water heater pipeline, the surface of the water heater pipeline is sleeved with a foam sleeve, the surface of the foam sleeve is sleeved with a heat preservation component, the surface of the heat preservation component is sleeved with a heating pipe, and the surface of the heating pipe is sleeved with a water inlet pipe. A cavity is formed in the inner wall of the heating pipe, an electric heating wire is fixedly arranged in the cavity, the surface of the heating pipe is sleeved with an aluminum foil layer, the surface of the aluminum foil layer is sleeved with a corrugated extension pipe, the surface of the corrugated extension pipe is sleeved with a waterproof film, and the surface of the waterproof film is sleeved with an A fixing ring. According to the pipeline anti-freezing device for the outdoor water heater, through the arrangement of the electric heating wire, the fixing ring A and the fixing ring B are installed on the outer surface of the waterproof film and communicated with an external power source, the temperature sensor senses the external temperature, and when the temperature is low, the temperature controller controls the electric heating wire to heat, heat the pipeline and melt ice, so that the pipeline of the water heater is prevented from being frozen to crack.
Owner:YANCHENG XIAOHONG SOLAR ENERGY TECH CO LTD

Water heater and control method therefor

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.
Owner:LG ELECTRONICS INC

Water heater

There is provided a water heater that can prevent propagation of Legionella bacteria and the like. A water heater includes: a hot water storage tank that stores hot water heated by a heat source; a hot water supply circuit that supplies hot water from the hot water storage tank to a supply port; a return pipe that returns hot water in the hot water supply circuit to the hot water storage tank; a return pump provided in the return pipe; and a control unit, wherein the control unit executes a hot water storage tank sterilization mode that: boils hot water in the hot water storage tank to a temperature that can kill Legionella bacteria and the like; and sterilizes the hot water storage tank for a predetermined time, and executes, after the predetermined time has elapsed, a hot water supply circuit sterilization mode that: controls the return pump to be ON; circulates hot water in the hot water storage tank through the hot water supply circuit; and sterilizes the hot water supply circuit.
Owner:PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD