582results about "Collector thermal insulation" patented technology

An inflatable solar energy collector. The device uses two elongated and pressure-stabilized air chambers with a trough-shaped reflecting surface in between. The curvature of the reflecting surface is adjusted by adjusting the differential pressure between the two air chambers. The device can be configured to provide a focal point outside the air chambers or inside the air chambers. For the version using the external focal point an external energy receiver is appropriately positioned. For the version using the internal focal point, the receiver is mounted inside one of the air chambers.

The invention relates to a solar collector. The collector has a heat regulating medium which defines a cavity therein. An aperture communicates with the cavity so as to allow solar energy incident on the aperture to enter the cavity. An energy collection device is disposed in the cavity and in thermal contact with the heat regulating medium to collect solar energy entering the cavity.

The invention discloses a solar water purifier based on interface solar photo-thermal conversion, which comprises a solar interface evaporator and a distilled water collector, the solar interface evaporator comprises an open water storage tray and a light absorber with high photo-thermal conversion efficiency, the light absorber is of a double-layer structure and is formed by compounding an upper-layer photo-thermal conversion material and a lower-layer thermal insulation material, and a dust-free cloth is arranged between the upper-layer material and the lower-layer material. During use, it needs to be guaranteed that the dust-free cloth can continuously make contact with the liquid level in a water storage disc, so that it is guaranteed that enough water is conveyed to the surface of thelight absorber to guarantee continuous evaporation. Only solar energy is used as driving energy, other energy sources are not consumed, meanwhile, the problem of replacement of a filter element of aconventional water purifier is avoided, and the device has the advantages of being portable, low in price, high in water purification efficiency and the like and can be stably applied to seawater desalination, sewage treatment and outdoor drinking water purification for a long time.

The invention provides a solar water heater. The solar water heater comprises a heat collector, wherein the heat collector comprises a heat collecting pipe which comprises a heat absorbing end and head discharging ends; the heat discharging ends are arranged in a water tank; the heat collecting pipe comprises a flat pipe and ribs, wherein the flat pipe comprises pipe walls which are in parallel mutually, and the ribs are arranged between the pipe walls; the ribs comprise sloping parts which are obliqued relative to the pipe walls; the adjacent sloping parts form an inclined angle A, and the inclined angle A formed between the adjacent sloping parts is reduced gradually in the direction from the middle parts of the pipe walls of a cross section of the flat pipe to the side walls on two sides of the flat pipe. According to the solar water heater disclosed by the invention, flow pressure at the middle part of the heat collecting pipe is reduced, and correspondingly the flow pressure on two sides is increased, so that the problem that the internal pressure under the situation that the flat pipe exchanges heat is uneven is solved.

An array of solar collectors includes dual axis reflectors for directing solar radiation to receivers at focal points of the reflectors. Solar radiation is used to heat a thermal energy storage material, which may be used to generate steam for use in power generation with the aid of a turbine. The dual axis reflectors may pivot about independent axes of rotation, thereby enabling use of the reflectors throughout the year.

The invention discloses a solar water heater, which comprises a water tank for storing heated hot water, wherein the water tank is of a cubic structure, and a heat-preservation layer is arranged on the outside of the cubic structure; the heat-preservation layer is a heat-preservation building block; the heat-preservation building block is formed by combining a concrete substrate (1) and a vacuum insulation panel (2); the vacuum insulation panel (2) is positioned in an open groove of the concrete substrate (1); self-defined grooves are formed in the left and right sides of the heat-preservation building block, and polystyrene boards or inorganic heat-preservation mortar can be filled in the self-defined grooves to partition a thermal bridge. The solar water heater is provided with the heat-preservation building block, so that the loss of heat is effectively prevented, and energy resources are saved.

A solar air conditioning system and method of superheating working fluid is provided. The solar air conditioning system superheats the working fluid using radiant energy from the sun, and then delivers the working fluid as a superheated and higher-pressured gas to a condenser within the solar air conditioning system. The solar air conditioning system includes a solar collector within which the working fluid is superheated.

A solar collector which comprises a mineral wool insulation based on man-made vitreous fibers (MMVF) which are bonded by a formaldehyde-free polymeric binder system. This Abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way.

The invention relates to the technical field of a solar energy thermal power generation system and discloses a heat collector used for a dish type solar energy thermal power generation system. The heat collector comprises a heat collecting cavity and at least one layer of heat-absorbing coil, wherein the heat collecting cavity is provided with an opening part, the heat-absorbing coil forms a cavity structure, the cavity structure is provided with an opening hole, the cavity structure is arranged in the heat collecting cavity, the opening hole is aligned to the opening part, and a low temperature inlet of the heat-absorbing coil is arranged on the position with the largest energy distribution density of the incident light of the cavity structure. The heat collector can prevent the heat-absorbing coil from being eroded because of the partial overtemperature and from being burnt due to sudden fall of a convection heat transfer coefficient resulted from working medium phase change. The invention also discloses a solar energy thermal power generation system with the heat collector.

A solar collector has an opaque cover heated by solar energy. Heat flows from the opaque cover by conduction, convection, and infrared emittance across a gap within an at least substantially airtight enclosure to an absorber containing a working fluid. The exterior surface of the opaque cover has high solar energy absorptance and the interior surface has high infrared emittance. The exterior surface preferably has low infrared emittance. In one embodiment, fully wetted surface geometry permits direct and reflected infrared absorption by the absorber. The opaque cover eliminates the weight, cost and other shortcomings of glass. A hollow continuous side wall with rounded corners provides an embodiment that is robust yet economical, that is easy to manufacture and seal, that permits a reduced thickness of the opaque cover and mitigates the destructive potential of severe winds, and that can withstand the compressive forces experienced by an evacuated solar collector.

A solar system for collecting solar energy, adapted to be rapidly assembled on site. The modular solar system includes a solar energy collector-assembly, having two wings of collectors, arranged in at least one row. The modular solar system further includes an energy-receiving-module, having a receiver unit, adapted to absorb the solar energy, a shaft, a support structure, a stand, disposed on rigid surface, a control-subsystem, a motor and a sun-following mechanism coupled to operate with the control-subsystem. The receiver unit has a diameter d_r, wherein collected energy directed at the external surface of the receiver unit forms a pair of solar energy strips, each strip having a width d_e, such that d_e<d_r. The solar system may be shipped by land vehicles inside one standard container, wherein each major component is light weight, and can be lifted by two workers.

A ground high-temperature high-efficiency solar steam electricity-generating device includes a light convergence assembly (1), a heat exchanger assembly(3), a heat storage chamber assembly(5), a base assembly(2), an oil pump(15), a temperature-controlling valve(16), a steam turbine(13), temperature-controlling valve (16), a steam turbine (13), an electricity-generator (12), a system control circuit, a water pump (9) and a water tank assembly (10). The light convergence assembly (1) includes a glass plate (1-1), Fresnel lenses, a U-shaped groove (1-3), a thermal insulating material, a heat collecting pipe (1-5), high temperature heat conducting oil(6-6), a frame (1-7), a rib-plate and a spindle sleeve. The high temperature heat conducting oil(6-6) in the heat collecting pipe (1-5) is communicated with the heat exchanger assembly (3) and the heat storage chamber assembly (5), so that the warm water in the heat exchanger assembly (3) is quickly converted into high temperature steam which drives the steam turbine (13) and the electricity-generator (15) to generate electrical energy. The device can realize high solar utilization, high automaticity, simple structure, lower cost, small size, and is safe and reliable.

The invention relates to a polymer-based solar collector, which comprises a polymer glass cover plate, a polymer collector tube and a polymer insulating and reflecting plate. All the main components of the polymer-based solar collector are made of polymer materials, and the solar collector has the advantages of reasonable design, good collecting effect, convenient processing, low cost, high efficiency, wide scope of application, long service life and the like. Moreover, the polymer-based solar collector not only can be used as the collector of the solar heater, but also can be used as the indoor heater.

Thermal solar energy collector, in which a solar radiation absorption panel, inside which the heat-conducting fluid flows, is situated inside a parallelepipedal box, with an opening having a transparent cover at the front, which may be doubled so as to leave an atmospheric space in the middle. The rear wall of the box has a system of seals and reservoirs which are inset in the wall so that they accommodate the expansion and contraction of vertical tubes of the panel and horizontal connections by means of gentle changes in curvature of the tube bends and slight rotations of the reservoirs, with the addition of a system for filling the box with an inert gas, the pressure of which may be chosen from a range of between a thousandth of an atmosphere and one atmosphere, there being provided for this purpose an external gas circuit, with low- and high-pressure tanks, an intermediate compressor.

Embodiments for methods and apparatuses for solar heating are disclosed. One solar heating apparatus includes an insulating layer adjacent to an exterior of a structure. A heat transfer plate is adjacent to the insulating layer. A fluid conduit is adjacent to the heat transfer plate. The heat transfer plate is thermally connected to the fluid conduit for transferring heat from the heat transfer plate to fluid within the fluid conduit. A weather exposed layer is thermally connected to the heat transfer plate.

A low profile solar collector collects solar energy as heat, while limiting possible peak stagnant temperatures in the collector in summer months.

The collector has a plurality of reflectors, each having longitudinal edges parallel to an adjacent reflector such that the reflective elements are arranged in a fixed offset parallel array, which forms a staircase of upwardly facing reflective surfaces in use.

Absorber elements are located between adjacent pairs of reflectors. The absorber elements each have an exposed surface located between each pair of reflective elements, and arranged to extend between a first edge of one reflector and a second edge of an adjacent reflector. The exposed surfaces of the absorber elements are disposed at an angle to each of the reflective elements to thereby form a fixed parallel array of exposed surfaces of the absorber elements.

A transparent top cover extends over the reflective and absorber elements.

In use the reflective elements are oriented in a first generally horizontal orientation such that incident sunlight passing through the top cover either falls directly onto the exposed surface of each absorber element or the incident sunlight falls a reflector adjacent to an exposed surface of one of the absorber elements and reflects onto the respective exposed surface.

The present invention relates to a system and apparatus which is designed to use parabolic concentrator to focus sunlight onto a receiver which uses a coolant to carry the heat to the heat storage unit. The system comprises a primary loop comprising at least one solar array and at least one heat storage unit. The system further comprises a secondary loop operatively communicating with said primary loop. The solar array comprises plurality of reflector dish assemblies comprising reflector dish means whereby said dish means are arranged in close proximity to each other wherein said dish means being such that high sunlight concentration ratio is obtained for providing high conversion efficiency from heat to electricity.

A solar energy collector panel intended for invisible incorporation behind and in thermal contact with a climate shield (94) of bituminous roofing felt or tar board on a building, said panel being made of a heat-conducting material and having at least one through- going fluid-impervious duct (91) embedded in said panel for passing a thermal energy carrying-capable fluid through it and having or being attached to a flat member (93) of heat-conducting material and substantial surface area intended to be mounted in direct physical contact with said climate shield. The solar panel provides excellent exploitation and transmission efficiency of sun radiation to an energy carrying-capable fluid in the fluid-impervious duct.

The invention relates to a solar photoelectric photo-thermal building integrated composite plate which comprises a shell 4, a support frame 3, a heat absorber 2, a connection pipe 13, a vacuum glass plate 1, a thermal insulation plate 5, a thermal insulation side plate 11, a color steel bottom plate 6, sealing plates 12 and the like. The composite plate provided by the invention can be used as a generation heating unit, butt-joint tongue-and-grooves are arranged on the left and right sides, and the sealing plates are arranged at the upper and lower ends; the components are in lap joint with each other to form a whole roof panel or wall facade, and the roof panel and wall decoration can be completely replaced; thermal insulation and waterproof effects can be realized on the roof, and thermal insulation and decoration effects can be realized for the wall facade; particularly, hot water is generated by absorbing the heat of a power generation plate at the time of power generation; and moreover, a lighting window, a ventilating window and the like also can be designed on the roof panel or wall facade. Through the invention, clean energy for solar power generation, lighting, central water heating and central air conditioning can be provided for the building to achieve low-carbon or even micro-carbon life.

The invention relates to a solar heating device and a solar steam generating system utilizing the solar heating device. The solar heating device comprises a metal water supply pipe with a water inlet and a water outlet, the metal water supply pipe is provided with a recessed portion recessed towards an inner cavity of the pipe, and a focusing device which can focus sunlight and enables the focusing light to be converged into the recessed portion through an opening of the recessed portion is arranged outside the metal water supply pipe. By arranging the recessed portion on the metal water supply pipe, the heat absorption ability of the metal water supply pipe is greatly improved, and accordingly the photothermal utilizing efficiency of the heating device and the steam generating system is improved. By arranging burning auxiliary heating, the ability of the steam generating system adapting to external condition changes is enhanced. By arranging a plurality of waste heat recycling structures, the heat utilizing efficiency of the steam generating system is further improved.