WO2011150849A1 - Système de focalisation de lumière conique - Google Patents

Système de focalisation de lumière conique Download PDF

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Publication number
WO2011150849A1
WO2011150849A1 PCT/CN2011/075078 CN2011075078W WO2011150849A1 WO 2011150849 A1 WO2011150849 A1 WO 2011150849A1 CN 2011075078 W CN2011075078 W CN 2011075078W WO 2011150849 A1 WO2011150849 A1 WO 2011150849A1
Authority
WO
WIPO (PCT)
Prior art keywords
conical
concentrating system
concentrating
light
disposed
Prior art date
Application number
PCT/CN2011/075078
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English (en)
Chinese (zh)
Inventor
黄建文
Original Assignee
Huang Chien-Wen
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huang Chien-Wen filed Critical Huang Chien-Wen
Publication of WO2011150849A1 publication Critical patent/WO2011150849A1/fr

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0019—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having reflective surfaces only (e.g. louvre systems, systems with multiple planar reflectors)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S23/77—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with flat reflective plates
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0038—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with ambient light
    • G02B19/0042—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with ambient light for use with direct solar radiation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers

Definitions

  • the present invention relates to a solar concentrating system, and more particularly to a conical concentrating system that utilizes conical reflection to converge toward sunlight and appropriately utilizes the concentrated solar energy, and belongs to the field of solar energy technology. Background technique
  • Fresnel lenses Refractive concentrating is the use of convex lenses or Fresnel lenses to converge sunlight. Due to the high production and manufacturing cost of lenticular lenses, it has not been used in the solar industry. The manufacture of Fresnel lenses requires high technical requirements. Since glass materials cannot suppress Fresnel lenses, they are currently manufactured using plexiglass or transparent nylon plastic. Such polymer materials absorb ultraviolet rays and cause aging. Therefore, Fresnel lenses are used in the field of solar concentrating industry, and lenses must be replaced at regular intervals, and the maintenance cost is too high.
  • the parabolic mirror is easy to obtain a higher magnification concentrating effect, but the manufacturing cost and process requirements are higher, and the production and installation speed is slower.
  • the use of a flat mirror for concentrating light is inexpensive, it is not easy to obtain a high concentrating ratio.
  • the technical problem to be solved by the present invention is to provide a conical concentrating system that utilizes conical reflection to converge toward sunlight and appropriately utilize the concentrated solar energy.
  • the conical concentrating system utilizes a conical reflecting surface to converge sunlight onto the central axis of the conical reflecting surface, and a collecting column is arranged at the central axis to achieve the purpose of concentrating sunlight and utilizing it.
  • a conical concentrating system comprising at least one reflector having a conical or truncated cone shape and a light collecting column disposed at an axis of the conical or truncated reflecting plate; reflecting on the inner side of the reflecting plate The larger side of the reflector is the light entrance of the concentrating system.
  • the light collecting column has a polygonal cross section; a photovoltaic cell and/or a thermoelectric power generating sheet are attached to an outer surface of the light collecting column.
  • a concentrating plate is further disposed around the photovoltaic cell and/or the thermoelectric power generation chip.
  • thermoelectric power generation piece is disposed on a bottom side or a top portion of the light collecting column; and a heat dissipating device is disposed on the other side of the thermoelectric power generation piece.
  • a heat transfer base is disposed on a bottom side of the light collecting column; a heat pipe or a water pipe is disposed in the heat transfer base, and heat energy is discharged through the heat pipe or the water pipe.
  • a heat pipe or a water pipe is disposed in the light collecting column.
  • a steam turbine generator is connected in series on the heat pipe or the water pipe line.
  • the light collecting column adopts a vacuum tube collecting column.
  • the angle between the reflector and its axis is 45°.
  • the reflective layer is plated with a total reflection coating, and the surface of the collection column is plated with an anti-reflection coating.
  • a solar tracker is further mounted on the cone concentrating system to enable the concentrating system to track the sunlight.
  • a sealing cover is disposed at the light entrance of the concentrating system, so that the light receiving device of the concentrating system is in a sealed protection state.
  • the light entrance of the reflector is polygonal.
  • a photovoltaic cell or a thermoelectric power generation chip is disposed on the top of the light collecting column.
  • At least one convex lens or Fresnel lens is disposed above the light collecting column; and the at least one convex lens or Fresnel lens concentrates the light on the photovoltaic cell or the thermoelectric power generating chip.
  • the intensity of the concentrated light energy of the cone concentrating system is related to the area of the reflector, and is easy to design and adjust.
  • the conical concentrating system also has the advantages of rapid manufacturing, low cost of manufacturing and installation maintenance.
  • FIG. 1 is a schematic structural view 1 of a first embodiment of a conical concentrating system
  • FIG. 2 is a schematic structural view 2 of a first embodiment of a conical concentrating system
  • FIG. 3 is a top view of a polygonal collector column of a second embodiment of a conical concentrating system
  • FIG. 4 is a schematic structural view of a third embodiment of a conical concentrating system
  • FIG. 5 is a schematic structural view of a fourth embodiment of a conical concentrating system
  • FIG. 6 is a schematic structural view 1 of a fifth embodiment of a conical concentrating system
  • FIG. 7 is a schematic structural view 2 of a fifth embodiment of a conical concentrating system
  • FIG. 8 is a top view of a group implementation of an eighth embodiment of a conical concentrating system
  • FIG. 9 is a schematic view showing a modified structure of a second embodiment of a conical concentrating system
  • FIG. 10 is a schematic structural view 1 of a ninth embodiment of a conical concentrating system
  • Figure 11 is a second schematic view of the structure of the ninth embodiment of the conical concentrating system.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the conical collecting system is composed of at least one reflecting plate 1 having a conical or truncated cone shape and a collecting column 2 provided at the axis of the conical or truncated reflecting plate 1.
  • a light reflecting layer is provided on the inner side surface of the reflecting plate 1. The larger port side of the reflector 1 is the light entrance of the concentrating system.
  • the sunlight irradiated on the reflecting plate 1 is reflected by the reflecting layer and concentrated at the collecting column 2, thereby being utilized.
  • the tapered concentrating system Compared with the existing concentrating device, the tapered concentrating system has the advantages of simple structure and convenient processing, and the intensity of the concentrated light energy is related to the area of the reflecting plate, and is easy to design and adjust.
  • the best angle between the reflector and its axis is 45°. In this way, the design of the light column 2 and the reflector 1 is flat and easy to install.
  • the present invention also employs a total reflection coating on the light-reflecting layer, and an anti-reflection coating on the surface of the light-collecting column 2.
  • a sealing cover may be provided at the light entrance of the concentrating system to protect the light-receiving device of the concentrating system from being sealed and protected from damage to the light-reflecting layer and the light-collecting column.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the main utilization of light energy can be the conversion of light energy into electrical energy through a photovoltaic cell, or the conversion of thermal energy caused by light energy into electrical energy by a thermoelectric power generation chip (the thermoelectric power generation chip can generate electrical energy based on the temperature difference between the two sides).
  • Photovoltaic cells and thermoelectric power generation chips are mostly produced in the form of flat sheets. Based on this point of view, as shown in FIG. 3, the embodiment is further defined on the basis of the first embodiment, the cross section of the light collecting column 2 is a polygonal structure, and the outer surface of the polygonal light collecting rod 2 is attached. Photovoltaic cells and / or thermoelectric power generation Film.
  • this embodiment is only designed for the currently common planar sheet photovoltaic cells.
  • flexible solar cells such as thin film solar cells that can be curled have appeared.
  • the concentrating column 2 of any cross-sectional shape without being limited by the polygonal concentrating column of this embodiment.
  • thermoelectric power generation chip since any photovoltaic cell and thermoelectric power generation chip are left in the package when there is a gap around it, when concentrated by the cone concentrating system, some concentrated light may not be irradiated on the battery sheet, resulting in Light energy is wasted.
  • Fig. 9 we also have a concentrating plate 6 around the photovoltaic cell or the thermoelectric power generation chip to solve such a problem.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • thermoelectric power generation chip Because the power generation principle of the thermoelectric power generation chip is that there is a temperature difference between the heating surfaces on both sides to generate electric energy. Therefore, for this feature of the thermoelectric power generation chip, we can also design the application mode of this embodiment. As shown in Fig. 4, in the present embodiment, on the basis of the first embodiment, a temperature difference power generating sheet 3 is provided on the bottom side or the top of the light collecting column 2. A heat sink 4 is provided on the other side of the thermoelectric power generation sheet 3.
  • thermoelectric power generation sheet 3 On the two heating surfaces of the thermoelectric power generation sheet 3, one side is connected to the light collecting column 2 at a higher temperature, and the other side is connected to the heat sink 4 at a lower temperature, thereby forming a temperature difference and generating electric energy.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • a heat transfer base 5 is provided on the bottom side of the light collecting column 2.
  • a heat transfer pipe or a water pipe is formed in the heat transfer base 5, and heat energy is led out through the heat pipe or water pipe for use.
  • the heat transfer base 5 is made of metal.
  • the light collecting column 2 generates a high temperature due to irradiation with high intensity solar energy.
  • the heat is conducted through the heat transfer base 5 and is led out by a heat pipe or a water pipe.
  • Embodiment 5 is a diagrammatic representation of Embodiment 5:
  • the present embodiment is provided with a heat pipe or a water pipe in the light collecting column 2 on the basis of the first embodiment.
  • the light-collecting column 2 generates high temperature due to irradiation with high-intensity solar energy, and heat energy is derived by a heat pipe or a water pipe penetrating therethrough.
  • the conical concentrating system is composed of a plurality of concentrating devices composed of a plurality of reflecting plates 1 and collecting columns 2. Then, each individual concentrating device can be connected in series through the heat pipe or the water pipe.
  • a steam turbine generator may be connected in series to the heat pipe or the water pipe line, and the heated high temperature steam is used for power generation.
  • the concentrating column 2 generates a high temperature due to exposure to high-intensity solar energy. This makes it easy for the collecting rod 2 to convect with the surrounding air, thereby reducing the energy conversion efficiency of the device.
  • the light collecting column 2 can be realized by using a transparent vacuum tube collecting column. Inside the transparent vacuum tube is a collecting column 2. Since the air is insulated by the transparent vacuum tube, the air does not contact the surface of the high temperature collecting column 2. Contact, this can reduce the thermal energy loss of the light collecting column 2. Since this is an existing technology, the vacuum tube collector of the solar water heater currently on the market is using this technology, and will not be described in depth here.
  • this embodiment transforms the light entrances of the respective concentrating devices into a polygonal structure, so that the respective concentrating devices can be closely coupled to each other when the group is implemented.
  • the conical concentrating system designed by the present invention if the concentrating ratio is too small, there is obviously no practical economic benefit. Therefore, when concentrating through a truncated reflector, the reflector will generally be far away from the collector for a higher concentration ratio. The sunlight in the middle of the trellis reflector will not be used. In order to make reasonable use of this part of the sunlight, as shown in FIG. 10, in this embodiment, a photovoltaic cell or a thermoelectric power generation chip may be disposed on the top of the light collecting column 2, and the light energy is converted into the light energy by the photovoltaic cell or the thermoelectric power generation chip. Electrical energy.
  • the present invention realizes a solar concentrating system which is simple in structure and easy to process by a conical or truncated reflector.
  • a series of solar application structures were designed for the system. Any unintended modifications made by those skilled in the art under this design concept are considered to be within the scope of the present invention.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Sustainable Energy (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Photovoltaic Devices (AREA)

Abstract

L'invention concerne un système de focalisation de lumière conique comprenant au moins une plaque de réflexion de lumière (1) en forme de cône ou de tronc de cône et une colonne collectrice de lumière (2) agencée sur l'axe de la plaque de réflexion de lumière (1). La surface intérieure de la plaque de réflexion de lumière (1) est munie d'une couche de réflexion de lumière. L'ouverture la plus grande de la plaque de réflexion de lumière (1) est l'orifice d'entrée de lumière du système de réflexion de lumière. Le système de focalisation de lumière conique présente une structure simple et est facile fabriquer. De plus, l'intensité de la lumière collectée dépend de la zone de la plaque de réflexion de lumière (1), de telle sorte que le système de focalisation de lumière est facile à concevoir et à régler.
PCT/CN2011/075078 2010-06-01 2011-06-01 Système de focalisation de lumière conique WO2011150849A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201010195854.1 2010-06-01
CN201010195854A CN101872063A (zh) 2010-06-01 2010-06-01 一种锥形聚光系统

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WO2011150849A1 true WO2011150849A1 (fr) 2011-12-08

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WO (1) WO2011150849A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101872063A (zh) * 2010-06-01 2010-10-27 黄建文 一种锥形聚光系统
CN102570915A (zh) * 2010-12-09 2012-07-11 西安大昱光电科技有限公司 太阳能光热综合发电系统
CN102563694A (zh) * 2010-12-13 2012-07-11 太仓南极风能源设备有限公司 太阳能生火器
CN102608743B (zh) * 2012-04-19 2013-10-09 乌鲁木齐集成多维电子科技有限公司 太阳能轴对称平行光超薄聚光器
CN103389572A (zh) * 2012-05-08 2013-11-13 崔理立 二合光原理的热辐射单向管温差器
CN102997446A (zh) * 2012-12-18 2013-03-27 鞠纪恩 一种锥式太阳能制热发电系统
CN109654751B (zh) * 2016-11-11 2020-08-21 江苏桑力太阳能产业有限公司 一种聚光式太阳能热水器
CN110335909B (zh) * 2019-06-26 2021-09-17 南京航空航天大学 一种基于反射聚光的双面耦合光伏电池系统
CN111059776A (zh) * 2020-03-07 2020-04-24 潘亚强 一种太阳能聚光集热装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4248643A (en) * 1979-11-19 1981-02-03 Walter Todd Peters Solar energy conversion panel
CN1595012A (zh) * 2003-09-12 2005-03-16 闵含有 锥筒式太阳能集热器
CN2847686Y (zh) * 2005-12-19 2006-12-13 中国科学院广州能源研究所 聚光集热式太阳能温差发电装置
CN1983642A (zh) * 2006-02-09 2007-06-20 易斌宣 超高倍率聚光太阳能电池装置
US20070246095A1 (en) * 2006-04-20 2007-10-25 Hydrogain Technologies, Inc. Apparatus for generating electrical power from solar radiation concentrated by a concave reflector
US20090205636A1 (en) * 2008-02-15 2009-08-20 Ron Gangemi Solar power collectors
CN201363926Y (zh) * 2009-02-05 2009-12-16 郭学才 太阳光聚光装置
CN101872063A (zh) * 2010-06-01 2010-10-27 黄建文 一种锥形聚光系统
CN201689211U (zh) * 2010-06-01 2010-12-29 黄建文 一种锥形聚光系统

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4248643A (en) * 1979-11-19 1981-02-03 Walter Todd Peters Solar energy conversion panel
CN1595012A (zh) * 2003-09-12 2005-03-16 闵含有 锥筒式太阳能集热器
CN2847686Y (zh) * 2005-12-19 2006-12-13 中国科学院广州能源研究所 聚光集热式太阳能温差发电装置
CN1983642A (zh) * 2006-02-09 2007-06-20 易斌宣 超高倍率聚光太阳能电池装置
US20070246095A1 (en) * 2006-04-20 2007-10-25 Hydrogain Technologies, Inc. Apparatus for generating electrical power from solar radiation concentrated by a concave reflector
US20090205636A1 (en) * 2008-02-15 2009-08-20 Ron Gangemi Solar power collectors
CN201363926Y (zh) * 2009-02-05 2009-12-16 郭学才 太阳光聚光装置
CN101872063A (zh) * 2010-06-01 2010-10-27 黄建文 一种锥形聚光系统
CN201689211U (zh) * 2010-06-01 2010-12-29 黄建文 一种锥形聚光系统

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