CN101872063A - Conical concentrating system - Google Patents

Conical concentrating system Download PDF

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Publication number
CN101872063A
CN101872063A CN201010195854A CN201010195854A CN101872063A CN 101872063 A CN101872063 A CN 101872063A CN 201010195854 A CN201010195854 A CN 201010195854A CN 201010195854 A CN201010195854 A CN 201010195854A CN 101872063 A CN101872063 A CN 101872063A
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CN
China
Prior art keywords
concentrating system
light harvesting
conical
reflector
harvesting post
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CN201010195854A
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Chinese (zh)
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黄建文
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Individual
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Individual
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Priority to CN201010195854A priority Critical patent/CN101872063A/en
Publication of CN101872063A publication Critical patent/CN101872063A/en
Priority to PCT/CN2011/075078 priority patent/WO2011150849A1/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0019Condensers, 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)
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S23/77Arrangements for concentrating solar-rays for solar heat collectors with reflectors with flat reflective plates
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0038Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with ambient light
    • G02B19/0042Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with ambient light for use with direct solar radiation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers

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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

The invention provides a conical concentrating system, which is characterized by comprising at least one conical or frustum-shaped reflector and a concentrating column arranged at the axis position of the conical or frustum-shaped reflector; the inner side face of the reflector is provided with a reflecting layer; the large opening side of the reflector is provided with the light inlet opening of the concentrating system. The conical concentrating system has the advantages that: the structure is simple; the processing is convenient; and the concentrated light intensity is associated with the area of the reflector and is easy to design and regulator.

Description

A kind of conical concentrating system
Technical field
The present invention relates to a kind of solar concentrating system, particularly a kind of taper reflecting surface that utilizes converges sunshine, and to the conical concentrating system that converging sun power suitably utilizes in addition, belongs to technical field of solar.
Background technology
Existing Salar light-gathering technology can be divided into refraction type and reflective two kinds.
Refraction type light gathering is to utilize convex lens or Fresnel Lenses converges sunshine, because convex lens production and manufacturing cost are higher, and therefore unmanned so far the application in the solar industry field; Making Fresnel Lenses needs higher technical requirement, because glass material can't be suppressed Fresnel Lenses, so all adopt organic glass or transparent nylon plastic(s) to make at present.This family macromolecule material itself can absorb ultraviolet ray and cause wearing out, so Fresnel Lenses is applied in the Salar light-gathering industrial circle, must just change eyeglass at set intervals, and maintenance cost is too high.
The present major part of reflection concentration type utilizes plane mirror or parabolic mirror converges sunshine, and wherein parabolic mirror obtains the spotlight effect than high magnification easily, but manufacturing cost and technological requirement are higher, and the speed of producing installation is slower.Though utilize plane mirror optically focused with low cost, be difficult for obtaining higher optically focused multiplying power.
The bottleneck that is met with based on above-mentioned various optically focused technology, the present invention proposes a kind of brand-new optically focused technology, this optically focused technology is to utilize a taper reflecting surface, sunshine is converged to the central axis place of taper reflecting surface, at this central axis place a light harvesting post is set, realize converging sunshine and the purpose that is used, this technology has concurrently manufactures fast the characteristics with low cost of manufacturing and installation and maintenance.
Summary of the invention
Goal of the invention of the present invention is to provide a kind of taper reflecting surface that utilizes that sunshine is converged, and the conical concentrating system that converging sun power is suitably utilized in addition.
The objective of the invention is to be achieved by following technical proposals:
A kind of conical concentrating system is characterized in that: be made of with the light harvesting post of being located at the axis place of this taper shape or truncated cone-shaped reflector at least one reflector that is taper shape or truncated cone-shaped; Medial surface at this reflector is provided with reflector layer; The large mouth side of this reflector is the light inlet of this condenser system.
The xsect of described light harvesting post is a polygonized structure; Outside surface at this polygon light harvesting post is pasted with photovoltaic cell and/or thermo-electric generation sheet.
Periphery at described photovoltaic cell and/or thermo-electric generation sheet also is provided with solar panel.
Bottom side or top at described light harvesting post are provided with the thermo-electric generation sheet; Opposite side at this thermo-electric generation sheet is provided with heat abstractor.
Bottom side at described light harvesting post is provided with heat-transfer foundation support; In this heat-transfer foundation support, run through being provided with heat pipe or water pipe, heat energy is derived by this heat pipe or water pipe.
In described light harvesting post, run through and be provided with heat pipe or water pipe.
On described heat pipe or water piping, be serially connected with steam turbin generator.
What described light harvesting post adopted is vacuum tube light harvesting post.
The angle of described reflector and its axis is 45 °.
The place is coated with the total reflection plated film at described reflector layer, is coated with the antireflection plated film on described light harvesting post surface.
On this conical concentrating system, also install solar tracking device additional, so that condenser system is followed the tracks of sunshine.
Light inlet place at described condenser system is provided with seal closure, so that the light device that is subjected to of condenser system is in the seal protection state.
The light inlet of described reflector is a polygonized structure.
Be provided with photovoltaic cell or thermo-electric generation sheet at the top of described light harvesting post.
Above described light harvesting post, be provided with at least one convex lens or Fresnel Lenses; These at least one convex lens or Fresnel Lenses converge in light on described photovoltaic cell or the thermo-electric generation sheet.
The invention has the beneficial effects as follows: this conical concentrating system is simple in structure, easy to process, and it is relevant with the area of reflector to converge the intensity of luminous energy, is easy to design and regulates.
Description of drawings
Fig. 1 is the conical concentrating system first example structure synoptic diagram one;
Fig. 2 is the conical concentrating system first example structure synoptic diagram two;
Fig. 3 is the conical concentrating system second embodiment polygon light harvesting post vertical view;
Fig. 4 is conical concentrating system the 3rd an example structure synoptic diagram;
Fig. 5 is conical concentrating system the 4th an example structure synoptic diagram;
Fig. 6 is conical concentrating system the 5th an example structure synoptic diagram one;
Fig. 7 is conical concentrating system the 5th an example structure synoptic diagram two;
Fig. 8 is that conical concentrating system the 8th embodiment group implements vertical view;
Fig. 9 improves structural representation for conical concentrating system second embodiment;
Figure 10 is conical concentrating system the 9th an example structure synoptic diagram one;
Figure 11 is conical concentrating system the 9th an example structure synoptic diagram two.
Drawing reference numeral: the reflector 1 of taper shape or truncated cone-shaped, light harvesting post 2, thermo-electric generation sheet 3, heat abstractor 4, heat-transfer foundation support 5, solar panel 6
Embodiment
Below in conjunction with drawings and Examples the present invention is further described.
Embodiment one:
As shown in Figure 1 and Figure 2, this conical concentrating system is made of with the light harvesting post 2 of being located at the axis place of this taper shape or truncated cone-shaped reflector 1 reflector 1 that at least one is taper shape or truncated cone-shaped.Medial surface at this reflector 1 is provided with reflector layer.The large mouth side of this reflector 1 is the light inlet of condenser system.
The sunshine that is radiated on the reflector 1 converges at this light harvesting post 2 places after the reflector layer reflection, thereby is used.
This conical concentrating system is that compared to the benefit of existing beam condensing unit it is simple in structure, easy to process, and it is relevant with the area of reflector to converge the intensity of luminous energy, is easy to design adjusting.
Be not difficult to find out that the operate as normal of this condenser system depends on sunray and remains to be parallel to the axis direction incident of this reflector 1.Only in this way could guarantee sunshine 1 light harvesting post, 2 places after reflection.Therefore, on this conical concentrating system, also should install a solar tracking device additional, follow the tracks of sunshine all the time to guarantee condenser system.Because, existing multiple multi-form solar tracking device on the market, this patent is just no longer limited its concrete structure at this.
We are not difficult to find out according to the light principle of reflection, and the optimum angle of described reflector and its axis is 45 °.Like this, light harvesting post 2 maintains an equal level with the design height of reflector 1, is easy to install.
Also have,, reduce the optical energy loss of light on reflecting surface in order further to increase the spotlight effect at light harvesting post 2 places.This patent also is coated with the total reflection plated film at described reflector layer place, is coated with the antireflection plated film on light harvesting post 2 surfaces.
In addition, we can also be provided with seal closure at the light inlet place of described condenser system, so that the light device that is subjected to of condenser system is in the seal protection state, prevent that reflector layer and light harvesting post from suffering damage.
Embodiment two:
The main approach that utilizes of luminous energy can be by photovoltaic cell transform light energy to be electric energy, or is electric energy by thermo-electric generation sheet (the thermo-electric generation sheet can produce electric energy based on its both sides temperature difference) with the caused thermal power transfer of luminous energy.Produce with the planar sheet form and photovoltaic cell and thermo-electric generation sheet are many.Consider based on this point, as shown in Figure 3, present embodiment further limits on the basis of above-mentioned first embodiment, and the xsect of described light harvesting post 2 is a polygonized structure, is pasted with photovoltaic cell and/or thermo-electric generation sheet at the outside surface of this polygon light harvesting post 2.
In addition, should be pointed out that present embodiment is only designed at present common planar sheet photovoltaic cell.But, along with the development of solar battery technology, the flexible solar battery that thin-film solar cells etc. can be curled has now appearred.For this special flexible solar panel, can directly be attached on the light harvesting post 2 of arbitrary section shape, and not be subjected to the restriction of present embodiment polygon light harvesting post.
Have again,, therefore when utilizing conical concentrating system optically focused, have part and converge light and fail to be radiated on the battery sheet, cause the luminous energy waste because any photovoltaic cell and thermo-electric generation sheet in encapsulation, can leave the gap around it.Given this, as shown in Figure 9, we also are provided with solar panel 6 at the periphery of photovoltaic cell or thermo-electric generation sheet, to solve such problem.
Embodiment three:
Because the electricity generating principle of thermo-electric generation sheet is to exist temperature difference can produce electric energy at its both sides heating surface.Therefore, at these characteristics of thermo-electric generation sheet, we also can design the application mode of present embodiment.As shown in Figure 4, present embodiment is provided with thermo-electric generation sheet 3 at the bottom side or the top of described light harvesting post 2 on the basis of first embodiment.Opposite side at this thermo-electric generation sheet 3 is provided with heat abstractor 4.
Like this, at two heating surfaces of thermo-electric generation sheet 3, jointing temp is higher mutually with light harvesting post 2 for a side, and jointing temp is lower mutually with heat abstractor 4 for opposite side, thereby formation temperature is poor, produces electric energy.
Embodiment four:
As shown in Figure 5, present embodiment is provided with heat-transfer foundation support 5 in the bottom side of described light harvesting post 2 on the basis of first embodiment.In this heat-transfer foundation support 5, run through being provided with heat pipe or water pipe, heat energy is derived, be used by this heat pipe or water pipe.This heat-transfer foundation support 5 is made of metal.
Described light harvesting post 2 produces high temperature owing to being subjected to the high strength solar energy impinges.This heat energy is derived by heat pipe or water pipe through heat-transfer foundation support 5 conduction.
Embodiment five:
As shown in Figure 6, similar with embodiment four, present embodiment runs through being provided with heat pipe or water pipe in described light harvesting post 2 on the basis of first embodiment.As previously mentioned, light harvesting post 2 produces high temperature owing to being subjected to the high strength solar energy impinges, by the heat pipe or the water pipe that run through wherein heat energy is derived.
As shown in Figure 7, if this conical concentrating system is made of the beam condensing unit individuality that a plurality of reflectors 1 and light harvesting post 2 are constituted.Then each beam condensing unit individuality can be cascaded by this heat pipe or water pipe.
Embodiment six:
Present embodiment also can be serially connected with steam turbin generator on described heat pipe or water piping on the basis of above-mentioned fourth, fifth embodiment, utilize the high-temperature steam generating after heating.
Embodiment seven:
As previously mentioned, described light harvesting post 2 can produce high temperature owing to be subjected to the high strength solar energy impinges.This make light harvesting post 2 easily with surrounding air generation convection current, thereby reduce the energy conversion efficiency of this device.At this problem, described light harvesting post 2 can adopt transparent vacuum pipe light harvesting post to realize, is light harvesting post 2 in this transparent vacuum pipe inside, because air has been completely cut off by this transparent vacuum pipe, therefore air can not contact with the surface of the light harvesting post 2 of high temperature, so can reduce the heat-energy losses of light harvesting post 2.Because this is existing technology, the vacuum tube collector of the solar water heater of selling on the market just is to use this technology at present, does not just do deep description at this.
Embodiment eight:
Because therefore the individual finite energy that can converge of beam condensing unit by single reflector 1 and light harvesting post 2 are constituted tends to occur with group's embodiment in actual use.But because circular light inlet can leave hole between each beam condensing unit individuality, thereby loss is to the utilization of part luminous energy.Given this, as shown in Figure 8, present embodiment transform the light inlet of each beam condensing unit as the polygon form, so that each beam condensing unit can be combined closely when implementing in group mutually.
Embodiment nine:
When utilizing the designed conical concentrating system of the present invention, if optically focused is than too little then obviously do not have actual economic benefit.Therefore when carrying out optically focused by the truncated cone-shaped reflector, general reflector can could obtain higher optically focused ratio away from light harvesting post one segment distance.So the sunlight at truncated cone-shaped reflector center section will utilize.For this part sunlight is rationally utilized, as shown in figure 10, present embodiment also can be provided with photovoltaic cell or thermo-electric generation sheet at the top of light harvesting post 2, is electric energy by this photovoltaic cell or thermo-electric generation sheet with this part transform light energy.
But, if the area of above-mentioned center section is bigger, all uses photovoltaic battery panel to cover this part and can spend big cost.Given this, we have carried out certain improvement to such scheme.As shown in figure 11, we are provided with at least one convex lens or Fresnel Lenses above light harvesting post 2, the sunlight of this part is converged in the narrower zone of light harvesting column top, should in the zone photovoltaic cell or thermo-electric generation sheet be set, and then improve the utilization factor of sunlight in the light harvesting column top.
In sum, the present invention has realized a kind of simple in structure, solar concentrating system of being convenient to process by the reflector of taper shape or truncated cone-shaped.And at this system design a series of Application of Solar Energy structures.Persons skilled in the art any not creative transformation of doing under this design philosophy all should be considered as within protection scope of the present invention.

Claims (15)

1. a conical concentrating system is characterized in that: be made of with the light harvesting post of being located at the axis place of this taper shape or truncated cone-shaped reflector at least one reflector that is taper shape or truncated cone-shaped; Medial surface at this reflector is provided with reflector layer; The large mouth side of this reflector is the light inlet of this condenser system.
2. conical concentrating system as claimed in claim 1 is characterized in that: the xsect of described light harvesting post is a polygonized structure; Outside surface at this polygon light harvesting post is pasted with photovoltaic cell and/or thermo-electric generation sheet.
3. conical concentrating system as claimed in claim 2 is characterized in that: the periphery at described photovoltaic cell and/or thermo-electric generation sheet also is provided with solar panel.
4. conical concentrating system as claimed in claim 1 is characterized in that: bottom side or top at described light harvesting post are provided with the thermo-electric generation sheet; Opposite side at this thermo-electric generation sheet is provided with heat abstractor.
5. conical concentrating system as claimed in claim 1 is characterized in that: the bottom side at described light harvesting post is provided with heat-transfer foundation support; In this heat-transfer foundation support, run through being provided with heat pipe or water pipe, heat energy is derived by this heat pipe or water pipe.
6. conical concentrating system as claimed in claim 1 is characterized in that: run through being provided with heat pipe or water pipe in described light harvesting post.
7. as claim 5 or 6 described conical concentrating systems, it is characterized in that: on described heat pipe or water piping, be serially connected with steam turbin generator.
8. conical concentrating system as claimed in claim 1 is characterized in that: what described light harvesting post adopted is vacuum tube light harvesting post.
9. conical concentrating system as claimed in claim 1 is characterized in that: the angle of described reflector and its axis is 45 °.
10. conical concentrating system as claimed in claim 1 is characterized in that: the place is coated with the total reflection plated film at described reflector layer, is coated with the antireflection plated film on described light harvesting post surface.
11. conical concentrating system as claimed in claim 1 is characterized in that: on this conical concentrating system, also install solar tracking device additional, so that condenser system is followed the tracks of sunshine.
12. conical concentrating system as claimed in claim 1 is characterized in that: the light inlet place at described condenser system is provided with seal closure, so that the light device that is subjected to of condenser system is in the seal protection state.
13. conical concentrating system as claimed in claim 1 is characterized in that: the light inlet of described reflector is a polygonized structure.
14. conical concentrating system as claimed in claim 1 is characterized in that: be provided with photovoltaic cell or thermo-electric generation sheet at the top of described light harvesting post.
15. conical concentrating system as claimed in claim 14 is characterized in that: above described light harvesting post, be provided with at least one convex lens or Fresnel Lenses; These at least one convex lens or Fresnel Lenses converge in light on described photovoltaic cell or the thermo-electric generation sheet.
CN201010195854A 2010-06-01 2010-06-01 Conical concentrating system Pending CN101872063A (en)

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CN201010195854A CN101872063A (en) 2010-06-01 2010-06-01 Conical concentrating system
PCT/CN2011/075078 WO2011150849A1 (en) 2010-06-01 2011-06-01 Conical light focusing system

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011150849A1 (en) * 2010-06-01 2011-12-08 Huang Chien-Wen Conical light focusing system
CN102563694A (en) * 2010-12-13 2012-07-11 太仓南极风能源设备有限公司 Solar lighter
CN102570915A (en) * 2010-12-09 2012-07-11 西安大昱光电科技有限公司 Solar photo-thermal comprehensive generating system
CN102608743A (en) * 2012-04-19 2012-07-25 张德胜 Solar axisymmetric parallel light ultrathin condenser
CN102997446A (en) * 2012-12-18 2013-03-27 鞠纪恩 Conical solar thermal power generation system
CN103389572A (en) * 2012-05-08 2013-11-13 崔理立 Thermal radiation uniguide temperature difference device adopting two combined light theory
CN109654751A (en) * 2016-11-11 2019-04-19 江苏桑力太阳能产业有限公司 A kind of light-collected solar water heater
CN111059776A (en) * 2020-03-07 2020-04-24 潘亚强 Solar light-gathering and heat-collecting device
WO2020258989A1 (en) * 2019-06-26 2020-12-30 南京航空航天大学 Double-sided coupling photovoltaic cell system based on reflection and condensation

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US4248643A (en) * 1979-11-19 1981-02-03 Walter Todd Peters Solar energy conversion panel
CN1595012A (en) * 2003-09-12 2005-03-16 闵含有 Cone type solar heat collector
CN2847686Y (en) * 2005-12-19 2006-12-13 中国科学院广州能源研究所 Light focusing heat collecting type solar energy temperature differential generator
CN1983642A (en) * 2006-02-09 2007-06-20 易斌宣 Superhigh multiplying-power focusing solar battery
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 (en) * 2009-02-05 2009-12-16 郭学才 Sunlight condensing device
CN101872063A (en) * 2010-06-01 2010-10-27 黄建文 Conical concentrating system
CN201689211U (en) * 2010-06-01 2010-12-29 黄建文 Conical concentrating system

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011150849A1 (en) * 2010-06-01 2011-12-08 Huang Chien-Wen Conical light focusing system
CN102570915A (en) * 2010-12-09 2012-07-11 西安大昱光电科技有限公司 Solar photo-thermal comprehensive generating system
CN102563694A (en) * 2010-12-13 2012-07-11 太仓南极风能源设备有限公司 Solar lighter
CN102608743A (en) * 2012-04-19 2012-07-25 张德胜 Solar axisymmetric parallel light ultrathin condenser
CN102608743B (en) * 2012-04-19 2013-10-09 乌鲁木齐集成多维电子科技有限公司 Solar axisymmetric parallel light ultrathin condenser
CN103389572A (en) * 2012-05-08 2013-11-13 崔理立 Thermal radiation uniguide temperature difference device adopting two combined light theory
CN102997446A (en) * 2012-12-18 2013-03-27 鞠纪恩 Conical solar thermal power generation system
CN109654751A (en) * 2016-11-11 2019-04-19 江苏桑力太阳能产业有限公司 A kind of light-collected solar water heater
CN109654752A (en) * 2016-11-11 2019-04-19 江苏桑力太阳能产业有限公司 A kind of light adjusting type solar water heater
WO2020258989A1 (en) * 2019-06-26 2020-12-30 南京航空航天大学 Double-sided coupling photovoltaic cell system based on reflection and condensation
CN111059776A (en) * 2020-03-07 2020-04-24 潘亚强 Solar light-gathering and heat-collecting device

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Application publication date: 20101027