17 results about "Parabolic concentrator" patented technology

Described herein are embodiments directed to collecting vaporize gas via a CPC arrangement. The CPC arrangement generally comprises a transporter that carries around a cover with one or more cryogenically cooled plates (or some other cryogenically cooled surface) therein. A plurality of CPCs dispersed on the transporter each have a concave reflective bowl that captures and directs sunlight through a fiberoptic cable where the sunlight is focused on regolith in an internal environment defined within the cover when resting atop the regolith. The focused sunlight heats the regolith and liberates the gas from the regolith, which is trapped in the internal environment. The gas in the internal environment condenses on the cooled plates where it can be collected and processed.

The invention discloses a condensation brine desalination system for a greenhouse. The condensation brine desalination system comprises a condensation system, a heat storage system, a heat supply system, a power supply system, a water supplementing system and the greenhouse. When the system works, the compound paraboloid condenser gathers sunlight, then the sunlight is transmitted in a wave band mode through the frequency division glass, low-wave-band light drives photovoltaic power generation, and high-wave-band light is used for saline water interface evaporation; water vapor generated in the salt water desalination process is condensed by the condensing device to generate fresh water, and then the fresh water is introduced into the greenhouse, so that proper humidity and temperature in the greenhouse can be maintained while the fresh water required by irrigation is obtained; the condensation device recovers condensation heat, the condensation heat is stored through the heat storage system, and heat is supplied to the greenhouse through the buried pipe when the temperature is low at night. When sunlight is insufficient, the storage battery supplies power to the LED lamp in a light supplementing mode, and photosynthesis of plants is guaranteed. The system is suitable for regions lacking fresh water resources but sufficient in saline water and brackish water, and has the characteristics of self-sufficiency, high scale adaptability, low energy consumption and the like.

The application provides a sectional CPC solar concentrator and a design method thereof. A compound parabolic reflector is fixed in a frame. A flat plate receiving surface is a heat absorbing surface of a flat plate light receiving body. The compound parabolic reflector is symmetrically arranged on both sides of the flat plate receiving surface. The compound parabolic reflector is composed of multiple sub-reflectors. The sub-reflectors are sequentially connected in a head-to-tail mode. The focal lines of the sub-reflectors on the flat plate receiving surface are evenly arranged from the middle to both sides. The focal lines of the sub-reflectors are different and parallel to each other. The sectional design of the traditional trough type parabolic concentrator profile is adopted, so that the energy flow density on the flat plate receiving surface is evenly distributed in multiple focal lines. The uniformity of the energy flow density distribution on the flat plate receiving surface of the concentrator is effectively improved. The thermal stress concentration on the flat plate receiving surface is greatly reduced. The service life of the concentrator is effectively prolonged.

The utility model belongs to the technical field of solar energy equipment, and particularly relates to a compound paraboloid condensation type solar energy full spectrum utilization device. The utility model relates to a compound paraboloid condensation type solar full-spectrum utilization device, which comprises a stainless steel foundation frame and a compound paraboloid condenser rotationally arranged on the stainless steel foundation frame through a direct-current push rod, the compound paraboloid condenser comprises a frame and an electroplated aluminum oxide plate, the frame comprises an aluminum alloy outer frame and a stainless steel pipe arranged on the aluminum alloy outer frame, a transverse pipe is arranged on the stainless steel pipe, and the electroplated aluminum oxide plate is fixedly arranged on the side wall of the stainless steel pipe. According to the utility model, large-area sunlight is gathered to a small area through the condenser, then light energy is converted into electric energy by utilizing the high-performance photovoltaic cell, and the solar radiation intensity in unit area is obviously improved by gathering the sunlight, so that the photoelectric conversion efficiency is improved.

This invention provides an integrated optical coupler light-emitting carrier and its processing method, comprising, from top to bottom, an inlet section, a CPC composite parabolic light-receiving section, a straight cylindrical light-guiding section, and an outlet microlens section. The inlet section is used to couple with the light beam emitted by the light source. The CPC composite parabolic light-receiving section aims to achieve efficient collection, focusing, and transmission of light with optimal light energy transfer. The inner surface of the CPC composite parabolic light-receiving section adopts a composite parabolic surface designed with a CPC composite parabolic concentrator. The straight cylindrical light-guiding section is used for total internal reflection transmission, guiding the light to the outlet end. The straight cylindrical light-guiding section adopts a solid light-guiding structure. The outlet microlens section is a microlens used to expand or shape the light beam emitted from the straight cylindrical light-guiding section to meet the requirements of the starry sky top light-emitting point for the light spot size and brightness distribution. The advantages of this invention are: significantly reduced investment in vehicle configuration; and significantly improved production efficiency.

The invention discloses a generalized compound parabolic condenser based on reflection light cone matching and a design method thereof, and belongs to the technical field of solar photo-thermal utilization. The device comprises a receiving body, a main reflecting mirror located below the receiving body and an auxiliary reflecting mirror located at the bottom of the receiving body. Under the condition of a given receiving half angle, independent geometric control parameters are introduced, rigid constraints of the height and the receiving half angle of a traditional condenser are relieved, and a group of generalized main reflector molded lines enabling edge light rays deviating from the optical axis at the maximum angle to be tangent to the top of a receiver are constructed. By means of the design, the receiving aperture and the geometric condensation ratio of the system can be remarkably improved under the limited structure height, and nondestructive recycling of light of a blind area at the bottom is achieved through the auxiliary reflector based on the macro focus principle. The invention not only solves the problem of compact integration of a high-power condensation system, but also effectively improves the energy flow distribution uniformity on the surface of the receiver, relieves the local hot spot risk, and is suitable for a high-precision tracking type solar condensation system.

The embodiment of the invention belongs to the photoelectric technology, and provides a laser light source and a laser projector, and the laser light source comprises a laser device which is used for emitting a laser beam; the first converging lens is located on the light emitting side of the laser and used for converging the laser beams to the reflecting device; the reflecting device is positioned on the central axis of the compound parabolic condenser and is used for reflecting the laser beams converged by the first converging lens to a fluorescent device in the compound parabolic condenser; the fluorescence device comprises a reflection area and a wavelength conversion area, the reflection area is used for reflecting the laser beams to the light-emitting face of the compound paraboloid condenser, and the wavelength conversion area emits fluorescence based on the laser beams and reflects the fluorescence to the light-emitting face of the compound paraboloid condenser, so that the fluorescence is mixed with the laser beams reflected by the reflection area, and white light is emitted. According to the invention, the large-angle fluorescent light can be reflected by the side wall of the compound paraboloid condenser and then is emitted at a small angle, so that the loss of the large-angle fluorescent light is avoided, and the fluorescent light receiving efficiency is improved.

The application discloses a hydrogen energy storage and crude oil drag reduction integrated system and method for remote oil and gas fields, which mainly comprises inert gas bottles, photochemical reaction tubes, parabolic concentrators, angle limiters, photovoltaic devices, heat exchange cavities, hydrogen storage tanks, fuel cells, crude oil storage tanks and spiral heat conducting pipes and the like components, and realizes distributed solar frequency gradient utilization, collaborative light-heat conversion, waste heat collection and efficient utilization of crude oil drag reduction and gathering through organic cooperation of internal components and process design. The application aims to provide a hydrogen long-time energy storage and crude oil thermal viscosity reduction coupling technical scheme for researchers or practitioners in the related field, which helps to study the solar optical distribution law and efficient thermal coupling method in the integrated system, and also can explore the best optimization threshold interval of process parameters and low-resistance transmission of internal energy and mass flow by optimizing the components of the system. The application has the advantages of high integration and strong controllability.

The present invention relates to a method and device for producing hydrogen by dissociating the water molecule through thermochemical reactions, using a small amount of active material. The thermochemical reactions are induced by solar energy with a moderate concentration of up to 50 suns, which can be achieved through linear or parabolic concentrators.

The application provides a Raman spectrometer chip based on Mach-Zehnder interference, which realizes 360-degree turning of the direction of input light and makes the light pass through different lengths of optical paths to realize interference by using the principle of Mach-Zehnder interference and combining twice reflection of first to fourth directional couplers and arrangement modes of the directional couplers, so that the 180-degree bending waveguide is not needed, the chip volume can be effectively reduced, and the cost is reduced; in addition, the spectrometer units based on Mach-Zehnder interference are arranged side by side, so that the image sensor chip can be arranged as a one-dimensional array, the signal-to-noise ratio is improved, and the cost is reduced; furthermore, the compound parabolic concentrator is arranged at the side end surface of the spectrometer chip based on Mach-Zehnder interference, the end surface coupling has no polarization selectivity, and the light spot size is matched with the size of the coupling structure through the condensing effect of the lens, so that the light is focused on the side surface of the chip to enter the spectrometer chip, the light spot enters the chip through the lens, and the light coupling efficiency is greatly improved.

An optical interconnect may include an array of microLEDs driven to generate light based on data and / or clock signals, an array of photodetectors to receive the light and generate electrical signals corresponding to the data and / or clock signals, and optical fibers providing at least part of a pathway between the microLEDs and the photodetectors. A reflector structure for each of the microLEDs assists in coupling light from the microLEDs into the optical fibers. The reflector structure may be in the form of a compound parabolic concentrator (CPC).

The application discloses a photocatalysis-high-temperature thermochemical coupling fuel production system and a regulation and control method. The system comprises a solar spectrum frequency divider, a parabolic concentrator, a circular tube reactor, a high-temperature solar energy driven metal oxide thermochemical cycle fuel production device, a waste heat recovery device, a hydrogenation station, a Fischer-Tropsch synthesis device, a product separation device, a gas turbine, a power grid system and a residential and industrial park. The system couples and complements photocatalysis-high-temperature thermochemical fuel production technology, and widens the solar spectrum utilization range. Meanwhile, for the photocatalytic hydrolysis hydrogen production device, according to the solar radiation energy and the user load, the parabolic concentrator structure and the reactor operation parameters are regulated and controlled under full light conditions; for the high-temperature thermochemical fuel production device, the reactor operation parameters are regulated and controlled, so that the radiation energy input into the reactor matches the energy required by the chemical reaction, and the solar energy-fuel energy conversion efficiency of the system is improved.

The aim of the invention is to allow more efficient use of solar rays and to improve the energy conversion efficiency of a fractal solar collector by operation in a cogeneration mode. The technical result consists in more efficient use of solar rays and an improvement in the energy conversion efficiency of a fractal solar collector by multiple utilization of solar insolation. This is done using a parabolic concentrator. The technical result is achieved by covering the rear side of fractal absorbers with polymer solar panels for generating electrical energy from solar rays reflected from the aperture area of the solar collector. The cogeneration mode is controlled by varying the dimensions and position of the fractal absorbers.

Embodiments are described for collecting gas via a CPC device. The CPC device generally includes a transport device carrying a housing having one or more cryogenic cooling plates (or some other cryogenic cooling surfaces) therein. Each of the plurality of CPCs distributed over the transport device has a concave reflective bowl for capturing and directing sunlight through the fiber optic cable, where the sunlight focuses on the weathered layer in the interior environment defined within the enclosure when placed on the weathered layer. The focused sunlight heats the weathered layer such that gases are released from the weathered layer, which are captured in the internal environment. Gas in the internal environment is condensed on the cooling plate, and the gas can be collected and treated on the cooling plate.

A compound parabolic concentrator includes a coupling surface for positioning on a sensitive surface of a photodetector of a receiving device, a collecting surface for receiving optical signals, and a side surface located between the coupling surface and the collecting surface, the side surface including two inclined and symmetrical parabolic portions when viewed in a cross-sectional plane passing through a reference axis of the compound parabolic concentrator, wherein the side surface is defined by an equation using input parameters including a dimension of the sensitive surface of the photodetector, an acceptance angle, a first refractive index of a medium in which the compound parabolic concentrator is to be immersed, a second refractive index of a material used to manufacture the compound parabolic concentrator, and a diametrical expansion factor.

The invention relates to a light focusing device for concentrating light for photoelectric, photothermal, and fiber optic applications, comprising one or more composite parabolic concentrator pairs, each consisting of a first and a second parabolic concentrator, wherein the focal points of all parabolic surfaces of a parabolic concentrator pair lie outside its central axis. The relative alignment of the parabolic surfaces of the first and second parabolic concentrators and the position of the focal points allow for precise determination of the beam convergence of the concentrated light exiting the light focusing device. The invention further relates to a device for aligning at least one light focusing device with the position of the sun.

The invention belongs to the technical field of solar energy utilization, and relates to a high-concentration full-spectrum solar energy utilization system and method. Light rays vertically irradiate the Fresnel lens condensation unit through adjustment, and the focus of the condensed light rays is located on the vacuum glass heat collection tube. Specifically, the center Fresnel lens focuses large-area sunlight to the vacuum glass heat collecting tube, the splicing Fresnel lens focuses the large-area sunlight to the composite parabolic condensers on the two sides, and the composite parabolic condensers on the two sides reflect light rays and penetrate through the second light gathering channel to be gathered on the vacuum glass heat collecting tube. The Fresnel lens condensation unit focuses large-area sunlight to the vacuum glass heat collection tube, the light intensity is remarkably improved, and a high-temperature heat source is provided for photo-thermal conversion. After the Fresnel lens is transversely spliced and widened, the amount of light irradiated to the heat collection module and the photovoltaic power generation module is increased, and therefore the overall heat collection power of the system is improved.