187results about "Solar heat systems" patented technology

A heating medium supply system (4) is provided which, even when a temperature fluctuation of a heating medium occurs continuously, is capable of relieving a bad thermal influence upon a heat exchanging device due to the temperature fluctuation. The heating medium supply system (4) includes: a heating system (6) configured to heat a liquid heating medium by sunlight; a heat exchanging device (7) configured to heat feedwater by means of the heating medium supplied thereto from the heating system (6); heating medium supply piping (8) for circulating the heating medium to the heating system (6) and to the heat exchanging device (7); a heating medium temperature detecting device (14), a heating medium flow rate detecting device (12) and a first heating medium flow control valve (13), which are provided on the heating medium supply piping (8) at respective locations between an outlet of the heating system (6) and an inlet of the heat exchanging device (7); and a control device (50) capable of calculating a value of supply thermal energy from results of detections by the heating medium temperature detecting device (14) and the heating medium flow rate detecting device (12) and controlling an operation of the heating medium flow control valve (13) based on the value of supply thermal energy thus calculated.

The present disclosure provides an integrated power generating system and method that combines combustion power generation with solar heating. Specifically, a closed cycle combustion system utilizing a carbon dioxide working fluid can be increased in efficiency by passing at least a portion of a carbon dioxide working fluid through a solar heater prior to passage through a combustor.

A tankless water heating auxiliary system for a solar water heating system, includes a solar collector; a tankless water heater auxiliary system; an insulated water storage tank storing the potable water; a heat exchange system for heating stored water; and piping for connecting the collector, the storage tank and the heat exchanger in fluid communication. A first sensor is connected to and located adjacent the storage tank for sensing the temperature of the stored water at an outlet of the tank. A method for controlling initiation of heating in a tankless water heater auxiliary system, includes monitoring operation of a tankless water heater; measuring water flow using a water flow sensor to determine if water flow rate exceeds a use determined flow rate; implementing a control time delay into the tankless water heater to purge water from the heater and sense the inlet water supply temperature; measuring the water temperature using a heat exchanger outgoing thermistor; comparing the temperature measured by the thermistor to a predetermined temperature; and initiating a combustion sequence if the temperature measured by the outgoing themistor is less than the predetermined temperature.

A remote and portable, passively cooled and heated building that has a power system and telecommunications and other electrical equipment.

A water heater system is provided with a solar water heater and an electric water heater having one or more electric heating elements. The solar and electric water heaters are configured to provide a common hot water output. A controller is operatively configured with the water heaters and receives a first signal indicative of a current power demand state of an associated electric utility. In response to the received signal, the controller operates the electric water heater in an energy savings mode during periods of high power demand wherein power consumption of the electric heating elements is restricted. The controller is operatively configured to modulate the degree of power consumption restriction placed on the electric heating elements in the energy savings mode as a function of current hot water supply capacity of the solar water heater.

An integrated solar cell system applies energy created by a solar cell module. The integration system includes a solar cell module, a low-grade heat recovery means, and a process system. The low-grade heat recovery means recovers waste heat from the solar cell module and connects the solar cell module to the process system. The process system is powered at least partially by thermal energy derived from waste heat generated by the solar cell module.

An integrated energy system for a home or other building utilizes a heated reservoir for energy storage. The reservoir is mainly heated by one or more solar collectors. The system also includes an environment-coupled piping loop through which a cooling fluid is circulated such that heat is exhausted from the cooling fluid to the environment. The thermal energy from the reservoir and the cooling fluid are then used in an integrated set of systems that provide space heating, space cooling, and electrical generation. Electricity is generated by a thermoelectric generator that exploits the temperature differential between the reservoir and the cooling fluid. The system may include heating and storage for domestic hot water, and may use excess power for hydrogen production. Backup heating and electrical systems may be provided for.

A process for converting carbon dioxide to hydrocarbon fuels using solar energy harnessed with a solar thermal power system to create thermal energy and electricity, using the thermal energy to heat a fuel feed stream, the heated fuel feed stream comprising carbon dioxide and water, the carbon dioxide captured from a flue gas stream, converting the carbon dioxide and water in a syngas production cell, the syngas production cell comprising a solid oxide electrolyte, to create carbon monoxide and hydrogen, and converting the carbon monoxide and hydrogen to hydrocarbon fuels in a catalytic reactor. In at least one embodiment, the syngas production cell is a solid oxide fuel cell. In at least one embodiment, the syngas production cell is a solid oxide electrolyzer cell.

A thermoelectric generator includes a plurality of thermoelectric modules that generate electrical power when subjected to a temperature differential. The generator also includes a plurality of first thermal elements to which heat is supplied by a first fluid and a plurality of second thermal elements from which heat is removed by a second fluid. The first and second thermal elements are arranged in a stack of alternating first and second thermal elements having one of the plurality of thermoelectric modules between each adjacent pair of first and second thermal elements. Each thermoelectric module is in contact on its first side with one of the first thermal elements and in contact on its second side with one of the second thermal elements such that no face of any thermal element contacts more than one of the thermoelectric modules.

A thermoelectric generator has a heat conducting body that exchanges heat with the environment according to environmental temperature changes, a heat storing body, and a thermoelectric conversion unit and thermal resistance body arranged between the heat conducting body and the heat storing body. One end of the thermal resistance body and one end of the thermoelectric conversion unit are in contact with each other. The other end of the thermal resistance body is in contact with the heat conducting body, and the other end of the thermoelectric conversion unit is in contact with the heat storing body. The surface of the heat storing body is covered by a covering layer having certain heat insulation properties. The temperature difference generated between the heat conducting body and the heat storing body is utilized to extract electric energy from the thermoelectric conversion unit.

A solar energy saving system composed of solar collectors, a custom built heat pump and a conventional gas heater, a centralized computer control system, a group of sensors, pumps and valves, and the mechanical and electrical connections, is disclosed herein along with the processes and methods for applying the system.

An air-cooled, single-effect, air conditioning system includes a first set of solar collectors configured to obtain energy to facilitate release of refrigerant from an absorbent-refrigerant solution in a generator. A tank is configured to store the energy for nighttime operations of the air conditioning system. One or more valves are configured to regulate consumption of the stored energy to maintain continuous cooling of at least one load.

An object of the present invention to improve reliability of a light emitting device having a mixed layer including an organic compound and metal oxide without reducing productivity. The above object is solved in such a way that after forming the mixed layer including the organic compound and metal oxide, the mixed layer is exposed to a nitrogen gas atmosphere without being exposed to a gas atmosphere including oxygen, and then a stacked film is formed over the mixed layer without exposing the mixed layer to a gas atmosphere including oxygen.

This invention discloses a solar energy heat pump heating system of earth heat storage solar energy accumulator, heat exchanger, heat pump device and circulating pump in which outlet of solar accumulator connects to the inlet of heat exchanger, which outlet connects with the inlet of solar energy accumulator via heat pump and circulation pump so as to form heat-carrying fluid loop, side inlet or outlet of the heat pump connects with users, heat exchanger is set under the earth as the heat retainer suitable for winter use.

The invention relates to a water path switching control module and a switching control method for water heaters, belonging to the technical field of household appliances. The water path switching control module comprises a switching valve controlled by a control circuit, wherein the switching valve has a first interface, a second interface, a third interface and a fourth interface, and at least has three switching positions; when the switching valve is located at the first position, only the first interface and the second interface are communicated; when the switching valve is located at the second position, only the second interface and the third interface are communicated; when the switching valve is located at the third position, only the third interface and the fourth interface are communicated; the control circuit includes a Micro Control Unit (MCU) and at least one first temperature sensor mounted at the hot water outlet of a first water heater; an output end of a first temperature sensor is connected with a corresponding signal input end of the MCU; and a control output end of the MCU is connected with a controlled end of the switching valve. In this way, according to temperature monitoring and reasonable preset conditions, the water path switching control module for the water heaters can realize required automatic and steady switching between two water heaters conveniently with the help of the control circuit.

The invention discloses a composite phase-change energy-storage solar water heater, which belongs to the field of solar water heater manufacturing. Its structure is composed of a heat collector and a water tank. The gas heating chamber of the device is arranged at the lower part of the water storage and heat preservation chamber, and the housing of the gas heating chamber is provided with a vent. There are air holes on the top of the shell of the heat preservation chamber, and the heat collector is connected to the bottom of the water storage heat preservation chamber through heat pipes. Compared with the prior art, the solar water heater of the present invention uses gas and electric energy as supplementary energy, and has the characteristics of high thermal efficiency, small water tank volume, and can supply multiple groups of hot water requirements such as heating and bathing at the same time, so it has good popularization and application value.

The irrigation system provides for the purification of water from a source of impure water, and for the distribution of the purified water to crops for agricultural irrigation purposes. The system includes a specially configured tank, the tank being partially evacuated to lower the pressure therein to vaporize or boil the water in the tank under vacuum. Heat energy may be provided to the tank by solar reflectors or other heat source. The purified water vapor passes from the tank and through a heat exchanger. The cooled vapor flows through a distribution network and out through a plurality of specially configured moisture distribution heads to flow into the soil. The distribution heads may also distribute liquid fertilizer to the soil.

A method of power generation, including: igniting a biomass boiler; starting a solar concentrating collector; measuring water temperature t3 at water outlet main of the solar concentrating collector; opening a second control valve arranged between the water outlet main and the boiler drum when t3 is greater or equal to 95° C.; closing the second control valve and the third control valve to prevent water in the solar collector tube from running and to maintain the water in a heat preserving and inactive state if the water temperature t3 decreases and t3 is less than 95° C.; turning the turbonator unit into a thermal power generation mode; opening a first control valve arranged between the water outlet main and a water supply tank if the water temperature t3 continues decreasing and when t3 is between 5 and 9° C.; and turning the turbonator unit into a biomass boiler power generation mode.

The invention relates to a light conductive energy-gathering high-temperature phase variable accumulation solar-energy generator, which comprises: a light conductive channel, a transparent window, a outer frame, a heat collecting chamber, a heat accumulator, a heat conductive bar, a heat conductive plate, and thermal-insulated material. Wherein, the heat accumulator is inside the frame and above the heat collecting chamber; the heat conductive bar through the heat accumulator is connected to the lower part of heat conductive plate; the frame is formed by two frames whose interlayer space are vacuumed. The sunlight via the light conductive tube or optical fiber and transparent window enters the heat collecting chamber to be transformed into heat energy, which via the conductive bar is stored into heat accumulator. The invention can use high-temperature phase variable accumulation material to store the heat. When user needs heat, the energy is provided via the conductive plate.

The present invention relates to a solar energy-storing hot water heating system, especially is suitable for the heating system of towns and villages residential buildings in China's severe cold or cold areas. The solar energy-storing hot water heating system described in the invention includes solar energy heat collector, antifreeze water tank, antifreeze water tank cut-off valve, solar energy heat-storing water tank, circulating water pump and circulating water pump cut-off valve which are connected sequentially and form circuit. The solar energy-storing hot water heating system provided in the invention combines the solar energy heating and traditional heated brick bed heating organically, fully shows the advantages of traditional heated brick bed heating, compared with prior system, the water supply temperature of hot water heating system is reduced, it reduces the heat loss of heat collector and increases the utilization efficiency of solar heat collectors; the heat-storing water tank also can be used as indoor radiator, and can reduce the energy consumption of secondary cycle water pump and the accommodation area of heat-storing water tank; the organic combination of traditional heated brick bed can use smoke gas residual heat effectively, reduce conventional energy consumption, at the same time, it is fit the users residents lifestyle in northern region.

A method and apparatus for heating service water and providing heat for the heating of buildings, if required, including a first heat source, a storage tank, and a service water heat exchanger for heating service water, where a simple, robust and efficient system is attained by connecting the first channel of the service water heat exchanger in parallel with the storage tank and by providing a control device, which controls the first circulator pump and the second circulator pump in such a way that in a first operational state the mass flow of the heat transport medium through the first heat source is greater than the mass flow of the heat transport medium through the first channel of the service water heat exchanger, and that in a second operational state the mass flow of the heat transport medium through the first heat source is smaller than the mass flow of the heat transport medium through the first channel of the service water heat exchanger