WO2006132265A1 - 集光型太陽光発電ユニットおよび集光型太陽光発電装置、ならびに集光レンズ、集光レンズ構造体、および集光レンズ構造体の製造方法 - Google Patents
集光型太陽光発電ユニットおよび集光型太陽光発電装置、ならびに集光レンズ、集光レンズ構造体、および集光レンズ構造体の製造方法 Download PDFInfo
- Publication number
- WO2006132265A1 WO2006132265A1 PCT/JP2006/311403 JP2006311403W WO2006132265A1 WO 2006132265 A1 WO2006132265 A1 WO 2006132265A1 JP 2006311403 W JP2006311403 W JP 2006311403W WO 2006132265 A1 WO2006132265 A1 WO 2006132265A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- condensing lens
- power generation
- solar cell
- translucent substrate
- condensing
- Prior art date
Links
- 238000010248 power generation Methods 0.000 title claims abstract description 146
- 238000004519 manufacturing process Methods 0.000 title claims description 26
- 239000000758 substrate Substances 0.000 claims abstract description 188
- 230000005540 biological transmission Effects 0.000 claims description 43
- 230000002093 peripheral effect Effects 0.000 claims description 20
- 239000000853 adhesive Substances 0.000 claims description 13
- 230000001070 adhesive effect Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 11
- 230000008859 change Effects 0.000 claims description 8
- 230000001678 irradiating effect Effects 0.000 claims description 5
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 description 22
- 230000006870 function Effects 0.000 description 20
- 238000007789 sealing Methods 0.000 description 17
- 230000000694 effects Effects 0.000 description 15
- 239000000463 material Substances 0.000 description 13
- 239000011347 resin Substances 0.000 description 13
- 229920005989 resin Polymers 0.000 description 13
- 238000000465 moulding Methods 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 239000004925 Acrylic resin Substances 0.000 description 6
- 229920000178 Acrylic resin Polymers 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 6
- 238000003384 imaging method Methods 0.000 description 6
- 238000007689 inspection Methods 0.000 description 6
- 238000009423 ventilation Methods 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 5
- 229920002050 silicone resin Polymers 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 230000008439 repair process Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 3
- 238000002788 crimping Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000005394 sealing glass Substances 0.000 description 3
- 238000004904 shortening Methods 0.000 description 3
- -1 GaAs compound Chemical class 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000007743 anodising Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910001635 magnesium fluoride Inorganic materials 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
- H01L31/0543—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the refractive type, e.g. lenses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
- F24S25/10—Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface
- F24S25/15—Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface using bent plates; using assemblies of plates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/10—Supporting structures directly fixed to the ground
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
- H02S20/32—Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
-
- 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
- F24S23/30—Arrangements for concentrating solar-rays for solar heat collectors with lenses
- F24S23/31—Arrangements for concentrating solar-rays for solar heat collectors with lenses having discontinuous faces, e.g. Fresnel lenses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S30/00—Arrangements for moving or orienting solar heat collector modules
- F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
-
- 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
- Y02E10/47—Mountings or tracking
-
- 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
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/52—PV systems with concentrators
Definitions
- Concentrating solar power generation unit Concentrating solar power generation device, condensing lens, condensing lens structure, and manufacturing method of condensing lens structure
- the present invention relates to a concentrating solar power generation unit capable of increasing power generation capacity by shining sunlight using a condensing lens, and such a concentrating solar power generation unit. And a condensing lens, a condensing lens structure, a concentrating solar power generation unit using the condensing lens, and a method of manufacturing the condensing lens structure.
- a solar cell element can be provided with a small light receiving area capable of receiving sunlight condensed by an optical system. I hope. In other words, since the solar cell element having a size smaller than the light receiving area of the condensing lens may be used, the size of the solar cell element can be reduced, and the usage amount of the solar cell element which is the most expensive component in the photovoltaic power generation apparatus The cost can be reduced. Because of these advantages, concentrating solar power generation devices are being used for power supply in areas where power can be generated using a large area.
- FIG. 17 is an explanatory view for explaining a concentrating solar power generation device as a conventional example
- (A) is a plan view showing an overview of the incident surface force of sunlight
- (B) ) Is a cross-sectional view showing a cross section taken along arrows BB in (A).
- a concentrating solar power generation device 100 as this conventional example (see, for example, Patent Document 2) is fitted in a case 101 having an open end and a case 101 to function as a primary optical system.
- Non-imaging Fresnel lens 102 Seat plate 103 provided at the bottom of case 101, solar cell element installed on bottom surface of case 101, that is, condensing position of non-imaging system Fresnel lens 102 104, a cylindrical reflector 105 that functions as a secondary optical system.
- Patent Document 1 Japanese Patent Laid-Open No. 11-284217
- Patent Document 2 Japanese Patent Laid-Open No. 2003-174183
- the condensing lens of the concentrating solar power generation apparatus must be arranged in an appropriate positional relationship with respect to the solar cell element, and high-level alignment is required.
- the energy generated by condensing light at the light receiving position is extremely large, and measures to prevent damage caused by irradiation around the solar cell element are necessary as a heat dissipation measure.
- a concentrating solar power generation apparatus is often installed in an area where the temperature changes drastically in a desert or the like, and it is necessary to take measures against thermal expansion in response to a temperature rise.
- the present invention has been made in view of such circumstances, a mounting plate for mounting a solar cell element, a light shielding plate having a transmission hole for transmitting sunlight, and covering the mounting plate, and a solar cell Equipped with a condensing lens that collects sunlight in the light receiving area of the element and a frame that aligns the position of the solar cell element and the condensing lens, making assembly easy and productivity and maintenance (maintenance / inspection) work
- the purpose of the present invention is to provide a concentrating solar power generation unit and a concentrating solar power generation device that improve the performance, can easily align the optical members, and have an excellent effect on heat and sunlight.
- the concentrating solar power generation device 100 shown in FIG. 17 described above requires a cylindrical reflector 105 corresponding to the solar cell element 104 in order to collect sunlight Ls.
- Imaging system Problems such as a complicated optical system and complicated manufacturing process, such as the need to form a frame corresponding to each non-imaging Fresnel lens 102 on the case 101 to hold the Renel lens 102 There is.
- the non-imaging Fresnel lens 102 is held by the frame portion of the case 101, there is a limit to the size of the case, and the concentrating solar power generation device 100 capable of condensing a large area It is difficult to do so.
- the present invention has been made in view of such circumstances, and a projection region having an inclined surface inclined with respect to a planar first surface and a planar region parallel to the first surface are secondly included.
- a condenser lens on the surface and a condenser lens structure that holds such a condenser lens with a translucent substrate there is no bias over the entire condenser area (light-receiving area of the solar cell element).
- Another object of the present invention is to provide a condensing lens structure that can simplify the manufacturing process and improve the condensing efficiency, and a manufacturing method thereof.
- the present invention provides a concentrating solar power generation device using the above-described condensing lens structure, so that the concentrating lens and the light receiving region (condensing region) of the solar cell element are disposed.
- a concentrating solar power generation system that can simplify the manufacturing process, improve the light collection efficiency, and achieve high power generation efficiency.
- the purpose Means for solving the problem
- the concentrating solar power generation unit is a concentrating solar power generation unit that generates power by irradiating the solar cell element with sunlight condensed by a condensing lens.
- the light shielding plate is formed integrally with the frame.
- the light shielding plate has a bent portion obtained by bending the periphery of the transmission hole toward the mounting plate.
- a substantially center of an end side of the mounting plate is fixed to the light shielding plate, and a substantially center of an end side of the condensing lens is fixed to an upper end of the frame.
- a plurality of the solar cell elements are arranged on the mounting board.
- the condensing lens is arranged and held on a light transmitting substrate corresponding to each of the plurality of solar cell elements.
- the mounting plate is characterized in that a substantially center of an end side in a longitudinal direction is fixed to the light shielding plate.
- the translucent substrate is characterized in that a substantially center of an end in a longitudinal direction is fixed to an upper end of the frame.
- the mounting board and the translucent substrate are divided into a plurality of parts in the longitudinal direction of the frame.
- a concentrating solar power generation device is a concentrating solar power generation device including a concentrating solar power generation unit, wherein the concentrating solar power generation unit is a light collecting device according to the present invention.
- Type solar power generation unit which is configured to be driven to be tracked.
- a condensing lens according to the present invention is a condensing lens having a planar first surface and a second surface on which a protrusion having an inclined surface inclined with respect to the first surface is formed.
- the second side is the front
- a flat region having a plane parallel to the first surface and a projection region having the projection are provided.
- a boundary between the planar region and the projection region is defined by a step between the planar region and the projection.
- the planar region is defined by a circle having a diameter surrounding a light receiving region of a solar cell element to be arranged in a face-to-face relationship, and the protrusion is concentrically formed with respect to the planar region. It is characterized by being!
- the inclination angle of the inclined surface with respect to the first surface and the inclination change pitch as a pitch for changing the inclination angle determine the short-circuit current of the solar cell element, and the light in the wavelength region Is set so as to collect light in the light receiving area.
- a condensing lens structure includes a condensing lens having a planar first surface and a second surface on which a protrusion having an inclined surface inclined with respect to the first surface is formed,
- a condensing lens structure including a translucent substrate for fixing and holding a condensing lens, wherein the second surface is a planar region having a plane parallel to the first surface, and a protrusion having the protrusion
- the alignment of the condensing lens and the translucent substrate is performed using a boundary defined by a step between the planar region and the protrusion.
- a planar area fixing portion that fixes the translucent substrate and the condenser lens corresponding to the planar area between the translucent substrate and the first surface, and the protrusions
- a peripheral edge fixing portion for fixing the translucent substrate and the condenser lens is formed corresponding to the peripheral edge portion of the region.
- planar region fixing portion and the peripheral edge fixing portion are formed by double-sided adhesive tape.
- a filling portion filled with an adhesive is formed between the translucent substrate and the first surface.
- the translucent substrate is characterized in that a plurality of the condensing lenses are juxtaposed.
- a concentrating solar power generation unit corresponds to a condensing lens structure including a condensing lens and a translucent substrate that holds the condensing lens fixedly, and the condensing lens.
- Shi 20. A concentrating solar power generation unit comprising a solar cell element disposed in a concentrating manner, wherein the condensing lens structure is the condensing lens structure according to any one of claims 15 to 19. It is characterized by being.
- a planar region having a plane parallel to the planar first surface and a protrusion having an inclined surface inclined with respect to the first surface are formed.
- Forming a planar area fixing portion to be fixed, and the first surface Forming a peripheral edge fixing portion for fixing the translucent substrate and the condensing lens at a position corresponding to the peripheral edge portion of the protruding region, and positioning the end portion of the translucent substrate to the substrate end position.
- the mounting plate on which the solar cell element is mounted is configured to include a frame that defines the positional relationship of the optical lens, and the mounting board and the frame are separated, so productivity such as mounting of solar cell elements on the mounting board As a result, the maintenance and inspection becomes easier and workability and reliability can be improved.
- the structure frame, light-shielding plate
- the mounting plate and the light-transmitting substrate can be aligned with respect to the transmission hole, so that the optical member (condensing lens, transparent lens) can be aligned. It is easy to ensure the alignment accuracy between the optical substrate) and the solar cell element. Also, since the positioning accuracy can be improved, the utilization efficiency of the irradiated sunlight can be increased. There is an effect that.
- the plane area is arranged so as to face the light receiving area. Force The sunlight incident perpendicularly to the plane area enters the light receiving area as it is and enters the protrusion area. The sunlight is refracted by the inclined surface and collected in the light receiving region. Therefore, the light incident on the planar region can reduce the variation in the light intensity distribution on the light receiving surface of the solar cell element that has no chromatic aberration due to the condenser lens, and can improve the power generation efficiency.
- the alignment between the condensing lens and the translucent substrate (condensing region) is performed using the boundary between the planar region and the projection region.
- the manufacturing process can be simplified.
- the mechanical strength of the condensing lens can be enhanced by the translucent substrate, the condensing lens having a predetermined shape necessary for condensing can be obtained, and the desired condensing characteristic is obtained.
- the manufacturing process is simple and the condensing characteristics are good. There exists an effect that a highly reliable concentrating solar power generation device can be provided.
- FIG. 1 is an exploded perspective view partially showing an arrangement relationship of main parts of a concentrating solar power generation unit according to Embodiment 1 of the present invention.
- FIG. 2 is an explanatory view for explaining the positioning and fixing state of the mounting plate and the frame bottom of the concentrating photovoltaic power generation unit of FIG. 1,
- A) is a perspective view of the mounting plate
- B) is a sectional view showing a fixed positioning state
- C) is a sectional view showing a loosely fixed state.
- FIG. 3 is an explanatory view for explaining a state in which the positioning of the translucent substrate and the upper end of the frame of the concentrating photovoltaic power generation unit of FIG. 1 is fixed, and (A) is a translucency. (B) is a sectional view showing a positioning and fixing state, and (C) is a sectional view showing a fixing state.
- Fig. 4 is a schematic side view transparently showing an arrangement relationship of main parts viewed from a side force in the longitudinal direction of the concentrating solar power generation unit according to Embodiment 1 of the present invention.
- FIG. 5 is an enlarged cross-sectional view showing an outline of a cross section taken along arrows AA in FIG.
- FIG. 6 is a plan view showing an arrangement state of the solar cell elements mounted on the concentrating solar power generation unit according to Embodiment 1 of the present invention at the receiver.
- FIG. 7 is an explanatory view showing a mounting state of solar cell elements and an arrangement state of transmission holes mounted on the concentrating solar power generation unit according to Embodiment 1 of the present invention.
- FIG. 7 is a side perspective view transparently showing a state seen from the side surface, and (B) is a plan view of the light shielding plate (transmission hole) viewed from the side of the condenser lens.
- FIG. 8 is a front view showing a front outline of the concentrating solar power generation apparatus according to Embodiment 2 of the present invention.
- FIG. 9 is an exploded perspective view showing the rear outline of the concentrating solar power generation device of FIG. 8 in an exploded manner.
- FIG. 10 is a plan view of a condensing lens structure according to Embodiment 3 of the present invention.
- FIG. 11 is an enlarged schematic cross-sectional view of the condensing lens structure of FIG. 10, showing a partial schematic cross-section from the plane center to the arrow A of the condensing lens structure.
- FIG. 12 is a cross-sectional view for explaining a manufacturing method (manufacturing process) of a condensing lens structure according to Embodiment 3 of the present invention.
- FIG. 13 is a cross-sectional view illustrating a method (manufacturing process) for a condensing lens structure according to Embodiment 3 of the present invention.
- FIG. 14 is a cross-sectional view illustrating a method (manufacturing process) for a condensing lens structure according to Embodiment 3 of the present invention.
- FIG. 15 is a plan view showing a state in plan view in which the condenser lens structure according to Embodiment 3 of the present invention is aligned using a positioning jig base.
- FIG. 16 is a partial cross-sectional view illustrating a state in which the condensing lens structure according to Embodiment 3 of the present invention is aligned with a solar cell element (frame).
- FIG. 17 is an explanatory view for explaining a concentrating solar power generation device as a conventional example, (A) is a plan view showing an overview viewed from the incident surface of sunlight, and (B) Is the arrow B in (A) It is sectional drawing which shows a cross section. Explanation of symbols
- FIG. 1 is an exploded perspective view partially showing an arrangement relationship of main parts of the concentrating solar power generation unit according to Embodiment 1 of the present invention.
- Fig. 2 is an explanatory diagram for explaining the positioning / fixing state between the mounting plate and the bottom of the frame of the concentrating photovoltaic power generation unit of Fig. 1
- (A) is a perspective view of the mounting plate
- (B) is a perspective view.
- FIG. 4C is a cross-sectional view showing the positioning and fixing state
- FIG. Figure 3 shows the translucent substrate and frame of the concentrating solar power generation unit of Figure 1. It is explanatory drawing explaining the state of positioning and fixing with the upper end, (A) is a perspective view of a translucent substrate etc., (B) is a sectional view showing the positioning and fixing state, and (C) is a loose fixing state.
- FIG. 1 is an exploded perspective view partially showing an arrangement relationship of main parts of the concentrating solar power generation unit according to Embodiment 1 of the present invention.
- the concentrating solar power generation unit 10 of the present embodiment includes a solar cell element 1, a mounting plate 3 on which the solar cell element 1 bonded to the receiver 2 is mounted, and a light shielding plate 4 that covers the mounting plate 3. , The edge force of the two opposite sides of the light shielding plate 4 The frame 5 arranged in the vertical direction, the sunlight Ls in the light receiving area of the solar cell element 1 arranged corresponding to the upper end of the frame 5 opposite the light shielding plate 4 A condensing lens 7 for condensing light, and a translucent substrate 6 fixed to (fixed to) the condensing lens 7 and attached to the upper end of the frame 5.
- the number of parts is reduced as a component corresponding to the function, it is easy to assemble, can be made small and light, and has high mechanical strength. can do.
- the member configuration corresponds to the function and the structure is simplified, mechanical strength and productivity can be improved.
- the optical distance is defined by the frame 5 with high mechanical strength, stable and reliable light collection is possible, and the mounting plate 3 is covered with the light shielding plate 4, so that there is no risk of damage and highly reliable power generation. Is possible.
- the mounting board 3 for example, five solar cell elements 1 mounted on the receiver 2 are arranged in two rows, for example, five in total.
- the solar cell element 1 is arranged corresponding to the condensing position of the condensing lens 7.
- the mounting plate 3 is formed in a dish shape having a recess that secures a space for storing the solar cell element 1 and the receiver 2 in units of ten, and a flange 3a for attaching to the light shielding plate 4 is formed at the periphery.
- the mounting board 3 is preferably made of, for example, aluminum in consideration of heat dissipation and light weight. Aluminum may be subjected to appropriate insulation treatment such as anodizing.
- the mounting board 3 is mounted on the light shielding plate 4 and houses the ten solar cell elements 1 together with the light shielding plate 4 to form a protective space for protection from the external environment.
- the condensing lens 7 is arranged and fixed on the translucent substrate 6 in two rows of 5 to correspond to each of the 10 solar cell elements 1, and is fixed to the lens array (6, 7). Is configured.
- the collecting lens 7 is made of, for example, acrylic resin in consideration of processability and translucency.
- the lens material may be polycarbonate or glass.
- the translucent substrate 6 is made of, for example, glass in consideration of translucency, strength, environmental resistance, and the like, and can prevent the influence of wind and rain due to the surrounding environment.
- the condensing lens 7 is bonded and held on the translucent substrate 6 with an appropriate translucent adhesive.
- the material of the translucent substrate 6 may be acrylic resin or polycarbonate.
- the condensing lens 7 is adjusted by the condensing lens 7 because the optical distance (defined based on the focal length) is adjusted so as to condense on the light receiving region of the solar cell element 1.
- the irradiated sunlight Ls becomes extremely large energy on the arrangement surface of the solar cell element 1.
- the configuration is such that the solar light Ls is tracked, the relationship between the solar cell element 1 and the concentrated solar light Ls is not always maintained, and the tracking device is stopped due to the occurrence of an abnormal situation.
- the concentrated sunlight Ls may irradiate the surrounding members of the mounting board 3 or the mounting board 3 other than the light receiving area that is not in the light receiving area of the solar cell element 1. There is a risk of damage from burning.
- the light shielding plate 4 is configured to shield the sunlight Ls so as to prevent the occurrence of damage due to the concentrated sunlight Ls. Ls is not affected.
- the solar cell element 1 in order to enable the solar cell element 1 to receive light in conjunction with the light shielding function, the solar cell element 1 has a transmission hole 4a through which the collected sunlight Ls is transmitted and irradiated to the light receiving region of the solar cell element 1. It is positioned so as to face the light receiving area.
- the transmission holes 4a are formed corresponding to each of the ten solar cell elements 1 mounted on the mounting board 3, and the position and concentration of the solar cell elements 1 are collected at the positions of the transmission holes 4a. Aligning the condensing position of the optical lens 7 is extremely important for ensuring power generation efficiency. Further, the light shielding plate 4 is disposed in close proximity to the mounting plate 3 and corresponding to the bottom of the frame 5 in order to reliably realize the function of the transmission hole 4a.
- the frame 5 is preferably formed integrally by continuous molding. Further, it is preferable that the light shielding plate 4 positioned in the middle of the two opposed frames 5 is also integral with the frame 5. Therefore, the light shielding plate 4 and the frame 5 are made of, for example, an iron plate or a steel plate.
- the metal plate is integrally formed by roll forming. In addition, it is desirable that the iron plate and the steel plate are subjected to a fouling treatment such as zinc plating.
- the light shielding plate 4 constitutes the bottom of the structure 11 of the concentrating solar power generation unit 10, and the frame 5 constitutes the side wall of the structure 11.
- the strength of the structure (structural skeleton) 11 can be improved reliably.
- the mounting plate 3 can be accurately aligned with the condenser lens 7.
- the light shielding plate 4 formed integrally with the frame 5 at the time of the roll forming cover constitutes a frame bottom portion 4 b that is convex on the upper end side of the frame 5 in order to mount the mounting plate 3.
- the light shielding plate 4 formed integrally with the frame 5 may be referred to as a frame bottom 4b for convenience.
- a specific structure for aligning the position of the solar cell element 1 with the position of the transmission hole 4a will be described.
- the mounting board 3 can be easily positioned in the direction intersecting with the sunlight Ls.
- the mounting plate protrusion 4d on the frame bottom 4b and the mounting plate alignment portion 3b on the mounting plate 3 are fitted and fixed with screws 30 or the like (see FIG. 2 (B)).
- a mounting plate alignment portion 3b is provided at approximately the center of two end sides ( ⁇ 3a) facing each other in the longitudinal direction of the mounting plate 3, and the mounting plate 3 is fixed to the frame bottom portion 4b.
- a mounting plate projection 4e is provided on the frame bottom 4b separately from the mounting plate projection 4d, and a fitting portion 3c corresponding to the mounting plate projection 4e is formed on the mounting plate 3 ( ⁇ 3a).
- the mounting board 3 can be loosely fixed to the frame bottom 4b.
- the mounting plate projection 4e and the fitting portion 3c are fitted via the space S between the mounting plate projection 4e of the frame bottom 4b and the fitting portion 3c of the mounting plate 3, and the screw 30 or the like is used.
- the buffer material 33 may be sandwiched between the frame bottom 4b and the mounting board 3.
- the mounting plate protrusions 4d and 4e provided on the frame bottom 4b are concave portions, and the mounting plate alignment
- the fitting part 3b and the fitting part 3c may be convex parts, and any shape can be used as long as they can be positioned and fixed.
- the upper end of the frame 5 is integrally formed with a flange 5a for supporting the translucent substrate 6 (the condensing lens 7) at the time of roll forming, so that the positioning of the condensing lens 7 is surely performed. Is possible.
- the flange 5a of the frame 5 is provided with a flange projection 5c (see FIG. 1), and the substrate frame alignment portion 6b corresponding to the flange projection 5c is connected to the longitudinal edge of the translucent substrate 6 (frame By forming it at the approximate center of the part 6a) (see Fig. 3 (A)), the translucent substrate 6 (the condensing lens 7) can be easily positioned in the direction intersecting the sunlight Ls.
- the hook protrusion 5c provided on the hook 5a may be a recess, and any shape can be used as long as it can be positioned.
- the frame portion 6a may be fixed to the flange 5a by pouring a silicone-based resin that cures at room temperature into the substrate frame alignment portion 6b without using the flange projection 5c.
- optical alignment of the solar cell element 1 and the condenser lens 7 is performed by geometrical measurement, power generation power measurement, etc. Fix it.
- the translucent substrate 6 By forming a pair of substrate frame alignment portions 6b at a near distance in the longitudinal direction of the translucent substrate 6 in the longitudinal direction, the translucent substrate 6 (the condensing lens 7) is rotated without rotation. ), And the translucent substrate 6 is fixed to the flange 5a in a state where there is little stress due to thermal expansion (see FIG. 3B).
- the frame portion 6a of the translucent substrate 6 is pressed by the pressing member 9 so that the translucent substrate 6 can be expanded and contracted.
- the presser member 9 is secured to the flange 5a with a bolt 31 passing through the presser hole 9a, so that the translucent substrate 6 can be protected from mechanical stress and have a water stop function.
- the translucent substrate 6 is fixed only by the substrate frame alignment portion 6b and is gently pressed by the holding member 9, the stress of expansion and contraction due to thermal expansion is not exerted (See Figure 3 (C)).
- the frame 5 and the light-shielding plate 4 as the reference position (basic shape) of the structure, the mounting plate 3 and the translucent substrate 6 can be accurately aligned, and accurate light collection is possible. Possible can do.
- the translucent substrate 6 that fixes the condenser lens 7 is attached to the upper end ( ⁇ 5a) of the frame 5.
- an optical distance (distance necessary for generating the maximum power) is defined between the solar cell element 1 and the condenser lens 7. It is set as follows.
- the height of the frame 5 is such that the sunlight Ls incident on the lens region of the condenser lens 7 is transmitted through the light-shielding plate 4 when the solar cell element 1 and the sunlight Ls are in a directly-facing state. It is set so as to surely irradiate the entire light receiving region of the solar cell element 1 mounted on the receiver 2 through the hole 4a.
- a fitting groove 5b capable of fitting the frames 5 to each other is integrally formed at the time of roll forming.
- a concentrating solar power generation device 20 can be configured by fitting the fitting groove 5b and connecting a plurality of frames 5 in the short direction intersecting the longitudinal direction. Since the fitting grooves 5b fit the frames 5 to each other, it is possible to maintain the structure 11 having a high mechanical strength even when a plurality of frames are connected.
- the mounting board 3 and the translucent substrate 6 are divided into a plurality of parts in the longitudinal direction of the frame 5 and attached. With this configuration, even when the longitudinal length of the frame 5 is increased to increase the size of the concentrating photovoltaic power generation unit 10, the ease of assembly can be secured, so that productivity can be improved and maintenance can be performed. Inspection and repair can be easily performed.
- the alignment of the solar cell element 1 and the condenser lens 7 with respect to the frame 5 is Since it is only necessary to perform a narrow range (divided range) with respect to the system 5 (transmission hole 4a), accurate alignment can be performed.
- the mounting board 3, the frame 5, and the translucent substrate 6 are made of different materials, the coefficients of thermal expansion are different, so that the longer the length, the greater the effect of thermal expansion. There is a risk that the solar cell element 1 will not be irradiated with the concentrated sunlight Ls due to a positional shift due to a temperature change.
- the mounting board 3 and translucent board 6 should be divided and shortened. As a result, it is only necessary to consider thermal expansion in a short length (narrow range), so that the influence of thermal expansion can be reduced.
- the thermal expansion due to the difference in material of the mounting board 3, the translucent board 6 and the frame 5 It is possible to reduce misalignment due to the difference between the two, and it is possible to accurately collect and generate power even in a high temperature environment, so that the concentrating solar power generation unit 10 with high reliability can be obtained.
- the mounting board 3 and the translucent substrate 6 correspond to a plurality of solar cell elements 1, but the mounting board 3 and the translucent substrate 6 correspond to individual solar cell elements 1.
- the technical matters according to the present embodiment can be applied even when configured individually.
- the center of the edge of the mounting plate 3 is fixed to the light shielding plate 4 and the center of the edge of the condenser lens 7 is fixed to the upper end of the frame 5 so as to correspond to each solar cell element 1.
- the concentrating solar power generation unit 10 can be configured.
- FIG. 4 is a schematic side view transparently showing an arrangement relationship of main parts viewed from the side surface in the longitudinal direction of the concentrating solar power generation unit according to Embodiment 1 of the present invention.
- FIG. 5 is an enlarged cross-sectional view showing a cross-sectional outline taken along arrows AA in FIG. In FIG. 4, the solar cell element 1 and the receiver 2 are not shown.
- Frame 5 for example, a rolled metal plate such as an iron plate or a steel plate is drawn into a flat plate shape, and transmission holes 4a, mounting plate projections 4d and 4e (see Fig. 2), and heel projection 5c (see Fig. 3) Then, press-cage with a flat die that delimits and continuously transfer to a flat plate, and perform a three-dimensional force check on the part that has been press-carryed with a form-former cache. At this time, it is preferable to press-cage the mold with a unit length defined by the mounting board 3 or the translucent substrate 6.
- the base material formed by continuously bending the roll forming process as described above is a size suitable for the concentrating solar power generation unit 10 constituting the concentrating solar power generation apparatus 20 (see Embodiment 2). Further, it is formed by cutting to about 3 m in the longitudinal direction. That is, in the concentrating solar power generation unit 10 according to the present embodiment, a highly accurate structure with high productivity is required by forming the light shielding plate 4 and the frame 5 by roll forming a metal plate. It is possible to form with a long length.
- a mounting board 3 and a translucent substrate 6 that are divided into a plurality of pieces (for example, three pieces) and have a length of about lm are arranged at the lower and upper parts of the frame 5, respectively, and fixed ( Installed). Since the mounting board 3 and the translucent substrate 6 are divided into a plurality of parts, the influence of thermal expansion can be reduced according to the number of divisions. For example, since the length of the translucent substrate 6 is about lm, the condensing lenses 7 arranged in the longitudinal direction are about 200 mm square. Therefore, the width of the translucent substrate 6 and the light shielding plate 4 is about 400 mm. The width of the mounting board 3 is about 300 mm.
- the mounting board 3 is mounted with the flange 3a in contact with the frame bottom 4b.
- the mounting board 3 is positioned by the mounting board alignment part 3b formed at the approximate center in the longitudinal direction of the flange 3a corresponding to the long side (longitudinal end side) of the mounting board 3, and is appropriately fixed with screws 30 or the like. It is firmly fixed to the frame bottom 4b with metal fittings (see Fig. 2).
- the flange 3a at the other position is locked (loosely fixed) to the frame bottom 4b with an appropriate fixing bracket such as a screw 30 at the fitting portion 3c (see FIG. 2). That is, by positioning and fixing at substantially the center of the longitudinal edge of the mounting board 3, it is possible to halve the positional shift due to thermal expansion compared to the case where the positioning is performed at the corners, for example.
- the translucent substrate 6 is a frame portion 6a formed around the region where the condensing lens 7 is pasted, with the surface on which the condensing lens 7 is pasted facing the light shielding plate 4, and the mounting plate 3
- the light-transmitting substrate 6 (frame portion 6a) is positioned with respect to the flange 5a in the vicinity of the midpoint of the long side (end side in the longitudinal direction).
- the frame portion 6a is appropriately fixed to the flange 5a with an appropriate fixing bracket such as a pressing member 9 (see FIG. 3). What is necessary is just to fix between the adjacent translucent board
- the hook projection 5c is provided at the fixing point of the flange 5a corresponding to the board frame alignment portion 6b formed in the frame 6a, and the flange 5a is fitted to the substrate frame alignment section 6b. (Refer to Fig. 3). It can be easily installed or replaced without the operation of positioning the fixing position of the translucent substrate 6 so that the maximum power output that is preferably fixed by the pressing member 9 is obtained.
- the mounting plate 3 and the translucent substrate 6 can be positioned and fixed with the same accuracy as the common (same) structure 11 (light-shielding plate 4, ⁇ 5a).
- the positioning accuracy of the power generation unit 10 as a whole can be improved, and the use efficiency of sunlight can be reliably improved.
- the condensing lens 7 is provided with a size of about 200 mm square corresponding to each solar cell element 1 in consideration of processability at the time of molding. For example, acrylic resin is poured into a Fresnel lens-shaped mold. And one side is molded as a flat Fresnel lens. By using a Fresnel lens, the condensing lens can be reduced in weight, and the condensing lens 7 having a large area can condense on the solar cell element 1 having a small area. Instead of individually molding each solar cell element 1, a plurality of Fresnel lenses can be integrally molded so as to correspond to the plurality of solar cell elements 1. Further, the condenser lens 7 is bonded to the translucent substrate 6 so that the strength and Since flatness can be ensured, it is possible to reduce the thickness and form a lens shape with good condensing characteristics.
- FIG. 6 is a plan view showing an arrangement state of the solar cell elements mounted on the concentrating solar power generation unit according to Embodiment 1 of the present invention at the receiver.
- the solar cell element 1 is processed into a 7 mm square light receiving region by forming a PN junction, an electrode, and the like by a known semiconductor manufacturing process using a GaAs compound semiconductor.
- the solar cell element 1 is electrically and mechanically connected and bonded (mounted) to a copper receiver 2 of about 60 mm square by a back electrode.
- a reference hole 2p is drilled with high precision at the corner of the receiver 2 at a diagonal position, and the solar cell element 1 is positioned and bonded with reference to the reference hole 2p.
- the surface of the receiver 2 is exposed in the area of the substrate electrode 1 of the solar cell element 1 that requires electrical connection, the area where the substrate electrode of the bypass diode Di is connected, and the area of the substrate electrode connection portion 2b.
- the other surface region is covered with an insulating resist 2i.
- a surface electrode connecting portion 2t serving as an electrode for taking out the output is formed on a part of the surface of the insulating resist 2i with an appropriate thin plate-like conductor.
- the surface electrodes la formed on the opposite ends of the chip of the solar cell element 1 are wire-bonded to the surface electrode connection portion 2t via the wire Ws, and output is output between the surface electrode connection portion 2b and the substrate electrode connection portion 2b. It can be taken out.
- the surface electrode of the binos diode Di is wire-bonded to the surface electrode connection portion 2t via the wire Wd, so that the binos operation can be performed.
- an antireflection film is formed on the chip surface of solar cell element 1, and the reflectivity varies depending on the wavelength due to multiple reflection in the antireflection film, but as the incident angle increases, Since the reflectance tends to be high, reflection loss on the surface of the light receiving region can be reduced.
- the anti-reflection film the ⁇ 1202 film is used.
- Surface electrode la Force that needs to be partially exposed to make electrical connection Thickness is about lOOnm, so wedge bonding is performed to melt the wire head by friction and press-fit. That is, the antireflection film on the surface electrode la is polished, and the surface electrode la is partially exposed to perform wire bonding. Therefore, it is possible to electrically connect the surface electrode la to the surface electrode connecting portion 2t without removing the antireflection film.
- the direction in which the wire head is rubbed is amplified as the longitudinal direction of the pattern shape of the surface electrode la, whereby the short side width of the surface electrode la can be set short.
- a friction width of about twice the diameter of the wire Ws is sufficient, and when the wire diameter is about 250 ⁇ m, the width of the crimping portion is about 750 ⁇ m.
- the crimping position of the wire Ws is preferably near the center of the surface electrode la for efficient current collection.
- a force in which one wire Ws is provided for each surface electrode la may be connected to each surface electrode la. If the wire head is rubbed in the longitudinal direction of the pattern shape of the surface electrode la, the protruding direction of the wire Ws to the surface electrode connection portion 2t may be any, but the path of the shortest distance to the surface electrode connection portion 2t is considered. I like it.
- the surface electrode connecting portion 2t is preferably arranged in a direction orthogonal to the longitudinal direction of each surface electrode la in order to facilitate parallel connection of the solar cell element 1 and the bypass diode Di.
- the solar cell element 1 and the bypass diode Di may be joined by wire bonding. Although preferable, solder bonding or welding may be used.
- Conductive leads 2c for connecting to the adjacent solar cell element 1 are connected to the surface electrode connecting portion 2t and the substrate electrode connecting portion 2b, and the conductive leads 2c are connected in series or in parallel. By connecting to, large-capacity power generation becomes possible.
- a force using a GaAs-based compound semiconductor solar cell as the solar cell element 1 is not limited to this.
- a Si solar cell or a mechano-stacked solar cell combining these solar cells is used.
- FIG. 7 is an explanatory view showing a mounting state of solar cell elements and an arrangement state of transmission holes mounted on the concentrating solar power generation unit according to Embodiment 1 of the present invention.
- FIG. 5B is a side perspective view showing the state seen from the side, and (B) is a plan view of the light shielding plate (transmission hole) viewed from the condenser lens side.
- the resin sealing step includes the step of first forming the sealing dam 4sd, the step of injecting and filling the sealing resin 2sr inside the sealing dam 4sd, and the surface of the sealing resin 2sr with an appropriate hardness. It consists of a process of placing glass on
- the receiver 2 is made of copper, and also functions as a heat radiating unit for the solar cell element 1 that becomes extremely hot when irradiated with the concentrated sunlight Ls.
- the receiver 2 on which the solar cell element 1 is mounted is bonded to the aluminum mounting board 3 via the insulating heat conductive sheet 3 i, and the heat of the solar cell element 1 is exhausted from the mounting board 3 while maintaining the insulation state. Dissipate heat.
- the insulating heat conductive sheet 3i a silicone rubber containing an insulating metal such as aluminum oxide as a metal filler can be used.
- the mounting board 3 can be appropriately provided with heat radiating fins (not shown), and a large heat radiating effect can be obtained especially by disposing it at a position corresponding to the receiver 2.
- Positioning and fixing between the receiver 2 and the mounting board 3 are performed by forming a receiving hole 3p precisely aligned with the mounting board 3 with respect to the reference hole 2p provided in the receiver 2, and then the reference hole 2p. And by inserting and fixing the rivet 2r with insulation coating in the receiving hole 3p, it can be performed with high accuracy.
- the periphery of the transmission hole 4a is drawn to form a bent part 4c around it, and the oblique force is also transmitted through the sun. It is preferable to form it with a function (angle) that blocks sunlight Lsd that may irradiate parts other than battery element 1.
- the light shielding plate 4 has a bent portion 4c in which the periphery of the transmission hole 4a is bent toward the mounting plate 3 side, so that the sunlight Ls obliquely radiated to the transmission hole 4a is blocked by the light shielding plate 4 Therefore, it is possible to prevent the solar cell element 1 from being damaged by the sunlight Ls in the periphery of the solar cell element 1 (that is, the mounting board 3 and the solar cell element 1 side).
- FIG. 8 is a front view showing a front outline with the light receiving surface of the concentrating solar power generation apparatus according to Embodiment 2 of the present invention in a vertical state.
- FIG. 9 is an exploded perspective view showing the rear outline of the concentrating solar power generation device of FIG. 8 in an exploded manner.
- a plurality of concentrating solar power generation units 10 according to Embodiment 1 are connected in the short direction intersecting the longitudinal direction of the frame 5. .
- a light receiving plane having a weight balance in the vertical direction and the horizontal direction, and to obtain a planar shape suitable for tracking driving.
- the fitting grooves 5b are fitted to each other so that one group (for example, three) of the frames 5 are connected in the short direction.
- the U-shaped main girder 21 is arranged in a short direction between the mounting boards 3 that are divided and arranged so as to correspond to the group of frames 5 and are connected to each other.
- a power generation module 22 is configured on the upper side, and a power generation module 23 is configured on the lower side.
- the total number of concentrating solar power generation units 10 is six, and the concentrating solar power generation device 20 can be configured with a small number of units, so that mechanical strength is ensured, productivity, Mass productivity can be improved.
- the frames 5 Since the longitudinal directions of the frames 5 are arranged in the horizontal direction, the frames 5 can be pressed against each other with a large area (using the entire surface of the frames 5). It can be made larger, and the mechanical strength is large and stable connection becomes possible. Further, since the frames 5 are supported by the main beam portion 21, the mechanical strength can be further improved.
- the mounting board 3 Since the mounting board 3 is arranged so as not to overlap the main girder 21, the mounting board 3 is shielded while the frame 5 is fixed even after the photovoltaic power generation device 20 is installed on site. It is possible to remove it from the plate 4, improving the workability of maintenance inspection and repair.
- the concentrating solar power generation apparatus 20 includes a plurality of concentrating solar power generation units 10 according to Embodiment 1, and the concentrating solar power generation unit 10 includes a frame.
- the module When it is configured to be connected in the short direction that intersects the longitudinal direction of 5, the module is structurally stable, so that it can have a planar shape with high mechanical strength and suitable for automatic tracking. It is possible to reliably realize the power generation capacity with good productivity, workability, and reliability.
- the mechanical strength is greatly stable because the connection between the frames 5 can be made stronger. Can be connected.
- the concentrating solar power generation device 20 when the main girder part 21 for connecting the frame 5 is provided in the short direction that intersects the longitudinal direction of the frame 5, the connected frame 5 is securely connected. Since it can actually be supported and connected, a concentrating solar power generation device with higher mechanical strength can be configured.
- the mounting plate 3 and the translucent substrate 6 can be easily removed from the frame 5 and the light-shielding plate 4 with the frame 5 fixed even after installation on site. In addition, on-site maintenance inspection and repair can be easily performed.
- the power generation modules 22 and 23 are further mechanically fixed by the main girder coupling portion 24.
- the main girder coupling unit 24 is appropriately held by the support column 26 via the tracking drive unit 25.
- the tracking drive unit 25 includes a turning drive unit having a horizontal rotation function and a tilting drive unit having a vertical rotation function so as to automatically track sunlight Ls.
- the tip of the control rod 27 provided in the tilting drive unit is connected to a fixture 27a provided on the back surface of the power generation module 22 to improve controllability and stability.
- the end face side wall 28 corresponding to the end face in the longitudinal direction of the frame 5 is made of a plate material that integrally covers the plurality of connected frames 5, and is formed in each of the power generation modules 22 and 23.
- the end face side wall 28 may be divided and formed corresponding to each of the concentrating solar power generation units 10.
- the end face side wall 28 be in a state of allowing ventilation in order to prevent the temperature inside the frame 5 from rising.
- the basic configuration of the concentrating solar power generation unit 10 according to the present embodiment is the same as that of the concentrating solar power generation unit 10 in the first embodiment, and FIG. 1, FIG. 4, FIG. Refer to Fig. 6 and Fig. 7 in common. In these drawings, the same components are denoted by the same reference numerals.
- the concentrating solar power generation unit 10 covers the solar cell element 1, the mounting plate 3 on which the solar cell element 1 adhered to the receiver 2 is mounted, and the solar cell covering the mounting plate 3.
- a light shielding plate 4 that shields the mounting plate 3 from Ls
- a frame 5 that extends vertically from the two opposite ends of the light shielding plate 4 and faces each other, and a frame that faces the light shielding plate 4 5 is arranged corresponding to the upper end of the solar cell element 1 and collects the sunlight Ls in the light receiving area (condensing area) of the solar cell element 1.
- a translucent substrate 6 is provided on the upper end.
- the translucent substrate 6 and the condensing lens 7 constitute a condensing lens structure 8.
- the mounting board 3 for example, five solar cell elements 1 mounted on the receiver 2 are arranged in two rows, for example, five in total.
- the solar cell element 1 (light receiving region) is arranged corresponding to the light condensing position (light collecting region) of the condensing lens 7.
- the mounting board 3 is formed in a dish shape having a recess that secures a space for storing the solar cell element 1 and the receiver 2 as 10 units, and a flange 3a for attaching to the light shielding plate 4 is formed at the periphery.
- the mounting board 3 is made of, for example, aluminum in consideration of heat dissipation and weight reduction.
- the condensing lens 7 is arranged and fixed on the translucent substrate 6 in two rows of 5 so as to correspond to each of the 10 solar cell elements 1, and a lens array is configured. Yes.
- the condensing lens 7 is made of, for example, PMMA (acrylic resin) in consideration of processability and translucency, and is a Fresnel lens in consideration of moldability and cost.
- the condensing lens 7 is arranged such that the planar first surface 7f is fixed to the translucent substrate 6 and the second surface 7s faces the light shielding plate 4 (see FIG. 11).
- the second surface 7s includes a planar region 7sf having a plane parallel to the first surface 7f and a projection region 7sp in which a projection 7p having an inclined surface inclined with respect to the first surface 7f is formed ( (See Figure 11).
- the translucent substrate 6 is made of, for example, glass in consideration of translucency, strength, environmental resistance, and the like. The effect can be prevented.
- the condensing lens 7 is bonded and fixed (held) to the translucent substrate 6 with an appropriate translucent adhesive or the like to constitute the condensing lens structure 8 (see FIG. 14).
- the condenser lens 7 collects light.
- the emitted sunlight Ls becomes extremely large energy around the solar cell element 1.
- the configuration is such that the solar light Ls is tracked, the relationship between the solar cell element 1 and the concentrated solar light Ls is not always maintained, and the tracking device is stopped due to the occurrence of an abnormal situation.
- the concentrated sunlight Ls may irradiate the surrounding members of the mounting board 3 in the light receiving area of the solar cell element 1. The portion may be damaged by burning.
- the light shielding plate 4 is structured to shield the sunlight Ls so as to prevent the occurrence of damage due to the concentrated sunlight Ls. Ls is not affected.
- the solar cell element 1 in order to enable the solar cell element 1 to receive light in conjunction with the light shielding function, the solar cell element 1 has a transmission hole 4a through which the collected sunlight Ls is transmitted and irradiated to the light receiving region of the solar cell element 1. It is positioned so as to face the light receiving area.
- the transmission holes 4a are formed corresponding to each of the ten solar cell elements 1 mounted on the mounting board 3, and the position of the transmission hole 4a is set to the position of the solar cell element 1 and Matching with the condensing position of the condensing lens 7 is extremely important for ensuring power generation efficiency. Further, the light shielding plate 4 is disposed adjacent to the bottom of the frame 5 in the vicinity of the mounting plate 3 in order to reliably realize the function of the transmission hole 4a.
- the light shielding plate 4 and the frame 5 are integrally formed by continuous molding. Accordingly, the light shielding plate 4 and the frame 5 are integrally formed by roll forming a metal plate such as an iron plate or a steel plate to constitute the structure 11.
- the light shielding plate 4 By forming the light shielding plate 4 integrally with the frame 5, it is not necessary to use a separate member as the light shielding plate 4, and productivity can be improved. In addition, since the position of the light shielding plate 4 (transmission hole 4a) can be defined integrally with the frame 5, the mounting plate 3 (solar cell element 1) and the condensing lens structure 8 (condensing lens 7) must be aligned. It can be performed with high accuracy.
- the upper end of the frame 5 is formed integrally with the condensing lens structure 8 (the translucent substrate 6) when supporting the condensing lens 7 (transparent substrate 6). It is possible to reliably perform positioning. In other words, with the structure 11 composed of the frame 5 and the light shielding plate 4 as a reference position (basic shape), the mounting plate 3 and the translucent substrate 6 (the condenser lens 7) can be accurately aligned. And accurate light collection can be made possible.
- the mounting board 3 is attached to the light shielding plate 4 and houses the ten solar cell elements 1 together with the light shielding plate 4 to form a protective space for protection from the external environment.
- the mounting plate 3 is attached to the light shielding plate 4.
- a frame bottom 4b that is convex on the upper end side of the frame 5 is integrally formed at the time of roll forming.
- the light shielding plate 4 formed integrally with the frame 5 may be referred to as a frame bottom 4b for convenience.
- the translucent substrate 6 for fixing the condenser lens 7 is attached to the upper end ( ⁇ 5a) of the frame 5.
- the condensing lens 7 since it is necessary to arrange the condensing lens 7 so that the sunlight Ls that has passed through the condensing lens 7 is condensed on the light receiving region of the solar cell element 1, the height of the frame 5 is In consideration of the focal distance, the optical distance (distance necessary for generating the maximum power) is defined between the solar cell element 1 and the condenser lens 7.
- the height of the frame 5 is such that when the solar cell element 1 and the sunlight Ls are in a face-to-face state, the sunlight Ls incident on the condenser lens 7 passes through the transmission hole 4a of the light shielding plate 4. It is set so as to be surely focused and irradiated on the entire light receiving region of the solar cell element 1 that passes through and is mounted on the receiver 2.
- the direct facing refers to a relationship in which the optical axis directions are aligned.
- a fitting groove 5b capable of fitting the frames 5 (of adjacent concentrating solar power generation units not shown) to each other is integrally formed at the time of the roll forming cover. It is.
- a concentrating solar power generation apparatus having a larger power generation capacity can be configured by fitting the fitting grooves 5b and connecting a plurality of frames 5 in the short direction crossing the longitudinal direction. Since the fitting grooves 5b fit the frames 5 to each other, it is possible to maintain the structure 11 with a high mechanical strength even when a plurality of the fitting grooves 5b are connected.
- the mounting board 3 and the light-transmitting substrate 6 are attached in a plurality of divided directions with respect to the longitudinal direction of the frame 5 (structure 11). With this configuration, even when the longitudinal length of the frame 5 is increased in order to increase the size of the concentrating solar power generation unit 10, the ease of assembly can be secured, so that productivity can be improved. Maintenance inspections and repairs can be performed easily.
- the mounting board 3, frame 5 (structure 11), and translucent substrate 6 are made of different materials.
- the thermal expansion coefficient differs, the longer the length, the greater the effect of thermal expansion, and there is a risk that the solar cell element 1 will not be irradiated with the concentrated solar light Ls due to a position shift due to a temperature change. .
- the side wall in the short direction of the frame 5 is covered with a plate material passing between the opposing frames 5, but is covered in a state of allowing ventilation in order to prevent the temperature inside the structure 11 from rising.
- the side wall in the short direction of the frame 5 is covered with a plate that is formed with a net or a ventilation hole or a mesh that can ensure ventilation while preventing dust from entering.
- FIG. 4 is a schematic side view transparently showing an arrangement relationship of main parts viewed from the side surface in the longitudinal direction of the concentrating solar power generation unit according to the embodiment of the present invention.
- FIG. 5 is an enlarged cross-sectional view showing a cross-sectional outline taken along arrows AA in FIG.
- the structure 11 (light-shielding plate 4, frame 5) is made of a base material formed by continuous bending and caloring with a roll forming machine, and has a length suitable for the concentrating solar power generation unit 10. For example, it is formed by cutting about 3 m in the longitudinal direction.
- a mounting plate 3 and a translucent substrate 6 each having a length of about lm divided into a plurality of pieces (for example, three pieces) in the longitudinal direction are arranged. Fixed (attached).
- the length of the translucent substrate 6 is about lm
- the condensing lenses 7 arranged in the longitudinal direction are about 200 mm square. Therefore, the width of the light shielding plate 4 and the translucent substrate 6 in the short direction is about 400 mm.
- the width of the mounting board 3 is about 300 mm. Since the mounting board 3 and the translucent substrate 6 are divided into a plurality of parts, the influence of thermal expansion can be reduced according to the number of divisions.
- the mounting plate 3 is mounted with the flange 3a in contact with the back surface of the light shielding plate 4 (frame bottom portion 4b) connected to the lower end of the frame 5.
- the mounting board 3 is positioned at the center of the flange 3a corresponding to one long side of the mounting board 3, and is firmly fixed by an appropriate fixing member (not shown). a is appropriately locked (loosely fixed) by a fixing member.
- the translucent substrate 6 has the surface on which the condensing lens 7 is attached facing the light shielding plate 4, and is between the end of the attached collecting lens 7 and the end of the translucent substrate 6.
- the substrate frame portion 6a is configured. As with the mounting board 3, positioning is fixed to the flange protrusion 5c formed on the flange 5a by a through hole formed as a substrate frame alignment portion 6b at the center corresponding to one long side of the substrate frame 6a. (See Figure 15 and Figure 16).
- the translucent substrate 6 as well, the same effect as that of the mounting board 3 is produced against thermal expansion, so that the positional deviation can be suppressed.
- the translucent substrate 6 is attached to and fixed to the flange 5a by using an appropriate fixing member (not shown) shaped around the translucent substrate 6 so that the substrate frame 6a is attached to the flange 5a. This can be done by crimping. Further, the adjacent translucent substrates 6 may be fixed by a fixing member (not shown) having a shape for passing between the substrates.
- the mounting board 3 and the translucent substrate 6 are positioned and fixed with the same accuracy with respect to the common (same) structure 11 (the transmission hole 4a of the light shielding plate 4 and the top 5mm of the frame 5). Therefore, the positioning accuracy of the concentrating solar power generation unit 10 as a whole can be improved, and the utilization efficiency of solar light can be improved with certainty.
- the condensing lens 7 is formed in a size of about 200 mm square corresponding to each of the solar cell elements 1 in consideration of processability at the time of molding.
- acrylic resin is applied to a Fresnel lens-shaped mold.
- One side is molded as a flat Fresnel lens by injection injection.
- a Fresnel lens it is possible to reduce the thickness of the condensing lens 7 even when the condensing lens 7 having a large area condenses on the solar cell element 1 having a small area. Thinning makes it possible to make it lightweight, inexpensive and easy to hold.
- the condensing lens 7 may be formed by integrally molding a plurality of Fresnel lenses so as to correspond to a plurality of solar cell elements 1, instead of individually molding each solar cell element 1. . Further, since the thin condenser lens 7 can be bonded to the translucent substrate 6 to ensure the strength and flatness, it is possible to obtain a lens shape with good condensing characteristics.
- Fig. 6 is a plan view showing the arrangement of the solar cell elements mounted on the concentrating solar power generation apparatus according to the embodiment of the present invention at the receiver.
- the solar cell element 1 is processed into a 7 mm square chip of light receiving area by forming a PN junction, an electrode, etc. by a known semiconductor manufacturing process using a GaAs compound semiconductor.
- the solar cell element 1 is electrically and mechanically connected and bonded (mounted) to a copper receiver 2 of about 60 mm square by a back electrode.
- a reference hole 2p is drilled with high precision at the corner of the receiver 2 at a diagonal position, and the solar cell element 1 is positioned and bonded with reference to the reference hole 2p.
- a bypass diode Di is connected in parallel with the solar cell element 1, and when the solar cell element 1 operates as a resistor by shielding sunlight Ls, a current path to the adjacent solar cell element 1 is formed.
- the power collecting function can be maintained as a whole of the concentrated solar power generation unit 10.
- the surface of the receiver 2 is exposed in the region where the substrate electrode of the solar cell element 1 and the substrate electrode of the bypass diode Di that require electrical connection are connected, and in the region of the substrate electrode connection part 2b.
- the surface region is covered with an insulating resist 2i.
- a surface electrode connecting portion 2t that serves as an electrode for extracting output is formed on a part of the surface of the insulating resist 2i with an appropriate thin plate-like conductor.
- the surface electrodes formed on the opposite ends of the chip of the solar cell element 1 are wire-bonded to the surface electrode connection portion 2t via the wire Ws, and output is output to the substrate electrode connection portion 2b. It can be taken out.
- the surface electrode of the binos diode Di is the wire W It is wire-bonded to the surface electrode connection 2t via d, and bypass operation can be performed.
- Conductive leads 2c for connecting to the adjacent solar cell element 1 are connected to the surface electrode connecting portion 2t and the substrate electrode connecting portion 2b, respectively, and the solar cell elements are connected using the conductive leads 2c. Large-capacity power generation is possible by connecting 1 in series or in parallel.
- FIG. 7 is an explanatory view showing the mounting state of the solar cell element and the arrangement state of the transmission holes mounted on the concentrating solar power generation device according to the embodiment of the present invention.
- FIG. 5B is a side perspective view showing the state seen from the side, and (B) is a plan view of the condensing lens as viewed from the side force light shielding plate (transmission hole).
- Solar cell element 1 and bypass diode Di solder-bonded to the exposed surface of receiver 2 are surrounded by a sealing dam 2sd (planar periphery) and sealed with sealing resin 2sr. .
- a sealing dam 2sd planar periphery
- sealing resin 2sr is formed of, for example, a highly transparent silicone resin.
- the receiver 2 Since the receiver 2 is made of copper, it functions as a heat dissipation means for the solar cell element 1 that becomes extremely hot when irradiated with the concentrated sunlight Ls.
- the receiver 2 on which the solar cell element 1 is mounted is bonded to the aluminum mounting board 3 via the insulating heat conductive sheet 3i, and radiates the heat of the solar cell element 1 from the mounting board 3 to the atmosphere while maintaining the insulation state. .
- Positioning and fixing between the receiver 2 and the mounting board 3 are performed by forming a receiving hole 3p accurately aligned with the mounting board 3 with respect to the reference hole 2p provided in the receiver 2, And by inserting and fixing the rivet 2r with insulation coating in the receiving hole 3p, it can be performed with high accuracy.
- the shape and size of the transmission hole 4a is such that the sunlight Ls incident on the condenser lens 7 in parallel rays is refracted by the condenser lens 7 and is generated in the short wavelength region of the sensitivity wavelength light of the solar cell element 1.
- Sunlight Lsa is incident on the edge of the solar cell element 1 away from the solar cell element 1
- the sunlight Lsb in the long wavelength region of the sensitivity wavelength light of the solar cell element 1 is incident on the edge on the near side of the solar cell element 1. It is preferable to open so as to irradiate each reachable range.
- Solar cell element 1 with a light receiving area of 7 mm square, focal length (distance to collect light in a planar shape on the light receiving area of solar cell element 1: optical distance)
- focal length distance to collect light in a planar shape on the light receiving area of solar cell element 1: optical distance
- the bent part 4c is formed by drawing the periphery of the transmission hole 4a and bending it to the mounting board 3 side. It is preferable to form it with a function (angle) that blocks sunlight (Lsd) that may be transmitted obliquely and irradiate a part other than the solar cell element 1.
- the surface of the bent portion 4c on the condenser lens 7 side (incident side surface) 4s is mirror-finished so that the sunlight Ls irradiated to the bent portion 4c is reflected to the solar cell element 1 side. Increasing the incident efficiency.
- FIG. 10 is a plan view of the condensing lens structure according to the embodiment of the present invention.
- FIG. 11 is an enlarged schematic cross-sectional view of the condensing lens structure of FIG. 10, showing a partial schematic cross section from the center of the condensing lens structure to the arrow A.
- FIG. 11 shows the vertical direction in the figure enlarged as appropriate.
- the translucent substrate 6 constitutes the condensing lens structure 8 by fixing the planar first surface 7 f of the condensing lens 7.
- the condensing lens 7 has a first surface 7f and a second surface 7s facing the first surface.
- the second surface 7s is formed with a plurality of concentric projections 7p having an inclined surface inclined with respect to the first surface 7f at a pitch pp, and it is possible to condense on the condensing region (light receiving region) (not shown) It is considered to be a Fresnel lens.
- Protrusion 7p has a triangular wave shape (projection height h, first plane 7f (planar region 7sf)) with a pitch pp of 0.5mm in consideration of the workability during molding, with a slope and a vertical plane The inclination angle is ⁇ ). Since the projection 7p consisting of an inclined surface and a vertical surface is formed concentrically, when molding a Fresnel lens by injecting and curing the resin into the mold, the molded product is removed from the mold without stress. This makes it possible to obtain a highly accurate Fresnel lens.
- the second surface 7s is a projection having a planar region 7sf having a plane parallel to the first surface 7f and a projection 7p.
- the area 7sp is provided.
- the boundary 7b between the planar region 7sf and the projection region 7sp is defined by a step between the planar region 7sf and the projection 7p, and the step is defined by the plane of the planar region 7sf and the vertical plane of the projection 7p.
- a flat area fixing portion 8a for fixing the translucent substrate 6 and the condensing lens 7 corresponding to the flat area 7sf. Is formed, and the position of the planar region 7 sf can be reliably fixed.
- a peripheral edge fixing portion 8b for fixing the translucent substrate 6 and the condenser lens 7 is formed corresponding to the peripheral edge portion of the projection region 7sp, so that the large-area condenser lens 7 is securely translucent.
- a filling portion 8c for removing and filling the air layer between the translucent substrate 6 and the condenser lens 7 is formed.
- protrusion region 7sp In the protrusion region 7sp, four continuous protrusions 7p are formed at the same inclination angle ⁇ .
- Four consecutive projections 7p were configured with the same inclination angle ⁇ , and the inclination change pitch ph as the pitch for changing the inclination angle ⁇ was 2 mm.
- each wavelength light in the sunlight Ls is similarly refracted with a width of 2 mm corresponding to the inclination change pitch ph.
- the projection 7p at the end of the corner section has an inclination angle ⁇ c with respect to the first plane 7f of 36 degrees, and the projection height he is about 0.4 mm ( Note that the protrusion height he is the highest protrusion 7p because it is located on the outermost circumference of the concentric circle).
- the inclination angle ⁇ of the four outermost protrusions 7p is 29.73 degrees, and the inclination angle ⁇ of the four inner protrusions 7p is 29 degrees ( Not shown).
- the inclination angle ⁇ a of the four protrusions 7p adjacent to the planar region 7sf is 4.71 degrees
- the protrusion height ha is about 0.1 mm.
- the thickness of the protrusion 7p decreases from the end of the lens toward the center of the lens.
- the plane area 7sf at the center of the lens is defined as a circle having a diameter of a size that surrounds the 7 mm square light receiving area of the solar cell element 1 and thus has a diameter of 10 mm.
- the solar cell element 1 is a three-junction type, the depth direction of the chip Thus, a photovoltaic power is generated for light of a wide wavelength band (ultraviolet to blue to green to red to infrared) corresponding to each junction.
- the short-circuit current of solar cell element 1 according to the present embodiment is a cell (photovoltaic cell element 1 having a light receiving sensitivity in a short wavelength region of sensitivity wavelength light when receiving standard solar radiation (AMI. 5). This is limited by the short-circuit current of one of the three elements stacked in the layer. Therefore, the output of the solar cell element 1 is improved by condensing the light in the short wavelength region more appropriately than the light in other wavelength regions.
- the solar cell element 1 Since the direction of refraction by the condensing lens 7 varies depending on the wavelength of light, the solar cell element 1 should efficiently receive light in the short wavelength region (ultraviolet to red) of the sensitivity wavelength light of the solar cell element 400 nm. Projecting so that the ultraviolet rays of UV light are condensed (refracted) on the edge side of the photovoltaic power generation element 1 (light receiving area) that is located diagonally (on the far side) with respect to the condenser lens 7 (projection 7p) 7p tilt angle ⁇ is decided.
- protrusions (2mm wide) 7p are formed at the same inclination angle ⁇ , but if the protrusions 7p with the same inclination angle ⁇ are arranged too far, the light in the short wavelength region is solar cell element 1 (light receiving Since the ratio of protrusion outside the region increases, it is effective to set the width (inclination change pitch ph) to about 2 mm for the solar cell element 1 having a light receiving region of 7 mm square. With this configuration, the narrowing of the focus is relaxed, and light can be received more evenly over the entire light receiving area, and the power generation efficiency can be further increased.
- the inclination angle ⁇ of the protrusion 7p and the inclination changing pitch ph which is the pitch for changing the inclination angle ⁇
- are shorter wavelength light in other words, compared to light in other wavelength areas,
- the short-circuit current of battery element 1 is limited, and light in a wavelength region that is more dominantly determined) is effectively refracted (condensed) toward the light receiving region. Therefore, the light collection efficiency for light in the short wavelength region is improved, and the photoelectric conversion efficiency (power generation efficiency) can be improved.
- FIG. 12 to FIG. 14 are cross-sectional views illustrating a method (manufacturing process) for manufacturing a condensing lens structure according to an embodiment of the present invention.
- the positioning jig base 15 is provided with a planar positioning tool 15a for determining the position of the planar region 7sf (condensing lens 7) to be arranged corresponding to the position of the solar cell element 1 (light receiving region).
- the positioning jig base 15 is formed of, for example, an aluminum substrate, and the planar positioning tool 15a is formed on the aluminum substrate, for example, with a diameter of the planar region 7sf (stepped portion, that is, a vertical surface of the projection 7p adjacent to the planar region 7sf).
- a pin having an inscribed diameter is provided upright.
- the positioning jig base 15 is further provided with a lens rotation preventing tool 15b for preventing the condensing lens 7 from rotating so that the condensing lens 7 can be juxtaposed and aligned.
- the lens rotation preventing tool 15b is configured by erected pins in the same manner as the planar positioning tool 15a.
- FIG. 12 shows the case where two condenser lenses 7 are juxtaposed, the left side of the figure shows the state after positioning, and the right side shows the state before positioning.
- the height of the planar positioning tool 15a is equal to the height of the outermost protrusion (height: 0.4 mm).
- the tip of the planar positioning tool 15a is the boundary 7b, that is, the step between the planar region 7sf and the adjacent projection 7p (the height of the projection defined by the plane of the planar region 7sf and the vertical plane of the projection 7p ha (0.1 mm ) Fits in). Since the step between the planar region 7sf and the protrusion 7p is formed by a vertical surface, there is no displacement in the horizontal direction during positioning, so positioning can be performed with high accuracy.
- the positioning jig table 15 is further formed with a substrate end positioning tool 15c that determines the position of the end of the translucent substrate 6 corresponding to the position of the planar region 7sf.
- the substrate end positioning tool 15c is configured by erecting pins, for example, on an aluminum substrate.
- the condenser lens 7 on the right side of Fig. 12 is moved and aligned in the direction of the arrow, the first area 7f of the condenser lens 7 is made to correspond to the planar area 7sf and the planar area fixing portion 8a is attached.
- the peripheral edge fixing portion 8b is formed corresponding to the peripheral edge portion of the protruding region 7sp (see FIG. 13). Either the planar region fixing portion 8a or the peripheral region fixing portion 8b may be formed first, or may be formed at the same time.
- the planar region fixing portion 8a and the peripheral edge fixing portion 8b are, for example, translucent.
- the translucent substrate 6 is moved in the direction of the arrow in FIG. At this time, the translucent substrate 6 can be accurately aligned by bringing the end of the translucent substrate 6 into contact with the substrate end positioning tool 15c.
- the center of the light receiving region (solar cell element 1) and the planar region 7sf (condensing lens 7) are accurately aligned, and the condensing lens 7 is translucent. Will be aligned to 6. Therefore, the alignment of the substrate frame alignment portion 6b provided in the substrate frame portion 6a of the translucent substrate 6 between the end portion of the condenser lens 7 and the end portion of the translucent substrate 6 is accurately performed. It can be carried out.
- the condensing lens 7 and the translucent substrate 6 are joined via the planar region fixing portion 8a and the peripheral edge fixing portion 8b, the air in the air layer between the condensing lens 7 and the translucent substrate 6 After the air is exhausted, the space is filled with an adhesive having high translucency and fluidity, and the adhesive is cured at room temperature or beta to form a filling portion 8c (see FIG. 14).
- the adhesive a light-transmitting and weather-resistant adhesive, for example, an acrylic resin adhesive containing methyl methacrylate and an acrylic monomer, or a silicone resin adhesive is preferred.
- FIG. 15 is a plan view showing a plan view state in which the condensing lens structure according to the embodiment of the present invention is aligned using the positioning jig base.
- the planar area 7sf of the condenser lens 7 is aligned and fitted to the planar positioning tool 15a disposed on the positioning jig base 15. Since the planar area 7sf is circular, the lens rotation preventing tool 15b is arranged at an appropriate position in contact with the end of the condenser lens 7 so that it does not rotate around the planar positioning tool 15a after alignment. Yes. Lens rotation By providing two prevention tools 15b with respect to one plane positioning tool 15a, rotation can be reliably prevented.
- the planar positioning tool 15a is arranged at a total of 10 locations corresponding to the solar cell element 1 (the transmission hole 4a of the frame bottom 4) mounted on the mounting board 3, and has a total of 10 condenser lenses 7.
- a lens array can be constructed.
- the translucent substrate 6 is superposed on the positioned condensing lens 7 (lens array), and the translucent substrate 6 and the condensing lens 7 are joined together to form a condensing lens structure 8.
- the end portion of the translucent substrate 6 is positioned in contact with the substrate end positioning tool 15c, and the substrate frame alignment portion 6b is formed in the substrate frame portion 6a with the end portion force positioned at a predetermined position. ing. Therefore, the substrate frame alignment portion 6b can be positioned with respect to the planar region 7sf (planar positioning tool 15a).
- the substrate frame alignment portion 6b is formed at two central portions in the longitudinal direction of the translucent substrate 6 (substrate frame portion 6a), and corresponds to the substrate frame alignment portion 6b.
- ⁇ protrusion 5c formed on ⁇ 5a at the upper end of 5 see Fig. 16
- ⁇ Positioning and fixing enables accurate alignment with the solar cell element 1 (transmission hole 4a).
- the mounting board 3 it is possible to suppress the influence of the displacement due to thermal expansion to about 0.5 m which is half the length (about lm) in the longitudinal direction of the translucent substrate 6.
- FIG. 16 is a partial cross-sectional view illustrating a state in which the condensing lens structure according to the embodiment of the present invention is aligned with the solar cell element (frame side portion).
- a protrusion-like protrusion 5c is formed on the flange 5a at the upper end of the frame side part 5 so as to correspond to the central part in the longitudinal direction of the translucent substrate 6 (substrate frame part 6a).
- ⁇ Projection 5c corresponds to the position of the through hole formed as substrate frame alignment part 6b in substrate frame 6a so that condenser lens 7 is aligned with solar cell element 1 (transmission hole 4a) Is formed.
- the translucent substrate 6 is moved in the direction of the arrow and the substrate frame alignment portion 6b is fitted to the hook projection portion 5c, alignment and positioning can be performed. Thereafter, the flange 5a and the translucent substrate 6 are fixed by an appropriate fixing member (not shown).
- the shape of the ridge protrusion 5c and the substrate frame alignment portion 6b is not limited to the above-described example, but may be other shapes.
- the board frame alignment portion 6b is a through hole
- a through hole is similarly formed in the flange 5a, and both the through holes are fastened with bolts as fixing members and fixed. Both are possible.
- the condensing lens structure 8 according to the present embodiment is also applicable to the concentrating solar power generation unit 10 according to the first embodiment.
- the present invention relates to a concentrating solar power generation unit capable of increasing the power generation capacity by shining sunlight using a condensing lens, and such a concentrating solar power generation unit. And a condenser lens, a condenser lens structure, a condenser solar power generation unit using the condenser lens, and a method of manufacturing the condenser lens structure.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Sustainable Energy (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Thermal Sciences (AREA)
- Photovoltaic Devices (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2006256136A AU2006256136B8 (en) | 2005-06-07 | 2006-06-07 | Concentrating solar power generation unit, concentrating solar power generation apparatus, concentrating lens, concentrating lens structure, and method for manufacturing concentrating lens structure |
EP06757110A EP1895597A1 (en) | 2005-06-07 | 2006-06-07 | Condensing photovoltaic power generation unit and condensing photovoltaic power generation system, and condensing lens, condensing lens structure, and production method of condensing lens structure |
US11/921,465 US8237044B2 (en) | 2005-06-07 | 2006-06-07 | Concentrating solar power generation unit, concentrating solar power generation apparatus, concetrating lens, concentrating lens structure, and method of manufacturing concentrating lens structure |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005167526A JP4732015B2 (ja) | 2005-06-07 | 2005-06-07 | 集光型太陽光発電ユニットおよび集光型太陽光発電装置 |
JP2005-167526 | 2005-06-07 | ||
JP2005167527A JP5013684B2 (ja) | 2005-06-07 | 2005-06-07 | 集光レンズ、集光レンズ構造体、集光型太陽光発電装置、および集光レンズ構造体の製造方法 |
JP2005-167527 | 2005-06-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006132265A1 true WO2006132265A1 (ja) | 2006-12-14 |
Family
ID=37498464
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/311403 WO2006132265A1 (ja) | 2005-06-07 | 2006-06-07 | 集光型太陽光発電ユニットおよび集光型太陽光発電装置、ならびに集光レンズ、集光レンズ構造体、および集光レンズ構造体の製造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8237044B2 (ja) |
EP (1) | EP1895597A1 (ja) |
AU (1) | AU2006256136B8 (ja) |
WO (1) | WO2006132265A1 (ja) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008044490A1 (en) * | 2006-10-06 | 2008-04-17 | Sharp Kabushiki Kaisha | Method for manufacturing photovoltaic power generation unit and system for manufacturing photovoltaic power generation unit |
WO2009050144A1 (fr) * | 2007-10-16 | 2009-04-23 | Avancis Gmbh & Co. Kg | Perfectionnements apportés à des éléments capables de collecter de la lumière |
WO2009090843A1 (ja) * | 2008-01-17 | 2009-07-23 | Sharp Kabushiki Kaisha | 集光型太陽光発電ユニットおよび集光型太陽光発電ユニット製造方法 |
US20100132793A1 (en) * | 2006-09-28 | 2010-06-03 | Kenta Nakamua | Solar cell, concentrating solar power generation module, concentrating solar power generation unit, method of manufacturing solar cell, and solar cell manufacturing apparatus |
JP2010219318A (ja) * | 2009-03-17 | 2010-09-30 | Masanori Kobayashi | 折畳み可能な太陽追従太陽電池 |
US20110263067A1 (en) * | 2008-02-11 | 2011-10-27 | Emcore Solar Power, Inc. | Methods of Forming a Concentrating Photovoltaic Module |
US20110283517A1 (en) * | 2007-11-29 | 2011-11-24 | Atomic Energy Council-Institute Of Nuclear Energy Research | Method for Aligning a Lens Array to a Cell Array |
WO2013001944A1 (ja) * | 2011-06-29 | 2013-01-03 | シャープ株式会社 | 集光型太陽光発電装置、および集光型太陽光発電装置の製造方法 |
JP2013508741A (ja) * | 2010-12-01 | 2013-03-07 | パナソニック株式会社 | 太陽電池に集光するためのフレネルーフライアイマイクロレンズアレイ |
WO2014038568A1 (ja) * | 2012-09-10 | 2014-03-13 | シャープ株式会社 | 太陽電池モジュール及び太陽光発電装置 |
TWI449961B (zh) * | 2009-04-02 | 2014-08-21 | Atomic Energy Council | 聚光型太陽能發電模組之光學透鏡結構改良 |
US9331228B2 (en) | 2008-02-11 | 2016-05-03 | Suncore Photovoltaics, Inc. | Concentrated photovoltaic system modules using III-V semiconductor solar cells |
JP2017034106A (ja) * | 2015-08-03 | 2017-02-09 | 住友電気工業株式会社 | 集光型太陽光発電ユニット、集光型太陽光発電モジュール、集光型太陽光発電パネル及び集光型太陽光発電装置 |
US9923112B2 (en) | 2008-02-11 | 2018-03-20 | Suncore Photovoltaics, Inc. | Concentrated photovoltaic system modules using III-V semiconductor solar cells |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7252083B2 (en) * | 2005-07-18 | 2007-08-07 | Arizona Public Service Company | Structure for supporting energy conversion modules and solar energy collection system |
EP2278626A4 (en) * | 2008-04-17 | 2014-01-22 | Sharp Kk | PHOTOVOLTAIC POWER GENERATION DEVICE OF FOLLOW-UP TYPE |
US8242350B2 (en) * | 2008-05-16 | 2012-08-14 | Cashion Steven A | Concentrating photovoltaic solar panel |
WO2010048767A1 (zh) * | 2008-10-30 | 2010-05-06 | Wang Xu | 聚光太阳能电池模组 |
WO2010137695A1 (ja) * | 2009-05-29 | 2010-12-02 | 株式会社クラレ | 太陽光集光用フレネルレンズシートおよびその設計方法 |
US20110192446A1 (en) * | 2010-02-05 | 2011-08-11 | Denso Corporation | Solar cell module and solar panel |
US20110290295A1 (en) * | 2010-05-28 | 2011-12-01 | Guardian Industries Corp. | Thermoelectric/solar cell hybrid coupled via vacuum insulated glazing unit, and method of making the same |
US20160067577A1 (en) * | 2010-09-17 | 2016-03-10 | Hershel James HOWARD | Sports Training System and Method |
KR101460984B1 (ko) | 2010-10-27 | 2014-11-14 | 가부시키가이샤 구라레 | 광발전 장치 |
US8358476B2 (en) * | 2010-11-23 | 2013-01-22 | Institute Of Nuclear Energy Research, Atomic Energy Council, Executive Yuan | Condensing lens for high concentration photovoltaic module and manufacturing method thereof |
US9528724B1 (en) | 2011-06-08 | 2016-12-27 | Solarreserve Technology, Llc | Apparatus and method for configuring heliostat fields |
JP2012256783A (ja) * | 2011-06-10 | 2012-12-27 | Sumitomo Electric Ind Ltd | 集光型太陽光発電パネル、集光型太陽光発電装置及び集光型太陽光発電システム |
RU2475888C1 (ru) * | 2011-08-02 | 2013-02-20 | Российская Федерация, От Имени Которой Выступает Министерство Промышленности И Торговли Российской Федерации | Конструкция фотоэлектрического модуля |
TW201320363A (zh) * | 2011-11-04 | 2013-05-16 | Most Energy Corp | 聚光透鏡及太陽能發電系統 |
WO2013156549A1 (en) * | 2012-04-18 | 2013-10-24 | Pardell Vilella Ricard | Field-assemblable concentration photovoltaics system |
CN103456821A (zh) * | 2012-05-29 | 2013-12-18 | 成都振中电气有限公司 | 一种太阳能发电板的聚光改进结构 |
MX345871B (es) | 2012-07-09 | 2017-02-21 | Kuraray Co | Elemento óptico y dispositivo fotovoltaico concentrador. |
JP6028564B2 (ja) * | 2012-12-27 | 2016-11-16 | 住友電気工業株式会社 | 集光型太陽光発電モジュール及びその製造方法 |
DE102013006264A1 (de) * | 2013-04-11 | 2014-10-16 | Grenzebach Maschinenbau Gmbh | Vorrichtung und Verfahren zur optimalen Justierung der Linsenplatte in einem CPV-Modul |
US11894804B2 (en) | 2014-06-27 | 2024-02-06 | Sumitomo Electric Industries, Ltd. | Photovoltaic module, photovoltaic panel, and production method for photovoltaic module |
CN106664054B (zh) | 2014-06-27 | 2019-05-21 | 住友电气工业株式会社 | 光伏模块和光伏面板 |
US9450535B2 (en) * | 2014-12-31 | 2016-09-20 | Echostar Technologies L.L.C. | Solar powered satellite system |
US9705587B2 (en) | 2014-12-31 | 2017-07-11 | Echostar Technologies L.L.C. | Solar powered satellite system |
DE102015213305A1 (de) * | 2015-07-15 | 2017-01-19 | Saint-Augustin Canada Electric Inc. | Optisches Lichttransmissionselement für eine Solarenergieanordnung mit einem Erntebereich und einem Justiersteuerungsbereich, und Verfahren zur Justierung desselben |
JP6631436B2 (ja) * | 2016-08-03 | 2020-01-15 | 住友電気工業株式会社 | 集光型太陽光発電モジュール、集光型太陽光発電パネル、及び集光型太陽光発電装置 |
CN107222165A (zh) * | 2017-07-06 | 2017-09-29 | 北京铂阳顶荣光伏科技有限公司 | 具有加热装置的路面发电系统 |
EP3764539B1 (en) * | 2018-03-05 | 2022-11-02 | Sumitomo Electric Industries, Ltd. | Method for manufacturing concentrator photovoltaic module, and carrier jig |
US12094993B2 (en) * | 2022-06-08 | 2024-09-17 | Imam Abdulrahman Bin Faisal University | High-concentrating photovoltaic (HCPV) system |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS572582A (en) * | 1980-06-07 | 1982-01-07 | Toyohashi Gijutsu Kagaku Daigaku | Solar battery type generator |
JPS59161460U (ja) * | 1983-04-15 | 1984-10-29 | シャープ株式会社 | 光・熱複合型コレクタ |
JPH10107301A (ja) * | 1996-09-26 | 1998-04-24 | Sharp Corp | 太陽電池 |
JP2000068540A (ja) * | 1998-08-19 | 2000-03-03 | Honda Motor Co Ltd | 太陽光発電装置 |
JP2000268749A (ja) * | 1999-03-15 | 2000-09-29 | Matsushita Electronics Industry Corp | 平板状画像表示装置 |
JP2002134641A (ja) * | 2000-10-20 | 2002-05-10 | Matsushita Electric Ind Co Ltd | 半導体装置および半導体装置の製造方法ならびに半導体装置の実装方法 |
JP2002535699A (ja) * | 1999-01-13 | 2002-10-22 | スリーエム イノベイティブ プロパティズ カンパニー | 投影スクリーン用フレネルレンズ |
JP2003174183A (ja) * | 2001-12-07 | 2003-06-20 | Daido Steel Co Ltd | 集光型太陽光発電装置 |
JP2003266450A (ja) * | 2002-03-18 | 2003-09-24 | Canon Inc | 光学素子及びその製造方法 |
JP2003344740A (ja) * | 2002-05-30 | 2003-12-03 | Anritsu Corp | 光学装置及び光学部品の接着方法 |
JP2004214491A (ja) * | 2003-01-07 | 2004-07-29 | Yasunori Tanji | 太陽エネルギーの集積装置及び光電エネルギー変換装置並びに熱電エネルギー変換装置 |
JP2004241495A (ja) * | 2003-02-04 | 2004-08-26 | Nikon Corp | 固体撮像装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4511755A (en) * | 1982-05-17 | 1985-04-16 | Kei Mori | Solar ray collection apparatus |
EP0113096B1 (en) | 1983-01-03 | 1987-04-29 | General Electric Company | Modified polyester compositions |
US5096505A (en) * | 1990-05-21 | 1992-03-17 | The Boeing Company | Panel for solar concentrators and tandem cell units |
JP3685921B2 (ja) | 1998-03-31 | 2005-08-24 | 本田技研工業株式会社 | 集光型太陽光発電装置 |
US6399874B1 (en) * | 2001-01-11 | 2002-06-04 | Charles Dennehy, Jr. | Solar energy module and fresnel lens for use in same |
US6717045B2 (en) * | 2001-10-23 | 2004-04-06 | Leon L. C. Chen | Photovoltaic array module design for solar electric power generation systems |
IL157716A0 (en) * | 2003-09-02 | 2004-03-28 | Eli Shifman | Solar energy utilization unit and solar energy utilization system |
-
2006
- 2006-06-07 AU AU2006256136A patent/AU2006256136B8/en not_active Ceased
- 2006-06-07 US US11/921,465 patent/US8237044B2/en not_active Expired - Fee Related
- 2006-06-07 WO PCT/JP2006/311403 patent/WO2006132265A1/ja active Application Filing
- 2006-06-07 EP EP06757110A patent/EP1895597A1/en not_active Withdrawn
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS572582A (en) * | 1980-06-07 | 1982-01-07 | Toyohashi Gijutsu Kagaku Daigaku | Solar battery type generator |
JPS59161460U (ja) * | 1983-04-15 | 1984-10-29 | シャープ株式会社 | 光・熱複合型コレクタ |
JPH10107301A (ja) * | 1996-09-26 | 1998-04-24 | Sharp Corp | 太陽電池 |
JP2000068540A (ja) * | 1998-08-19 | 2000-03-03 | Honda Motor Co Ltd | 太陽光発電装置 |
JP2002535699A (ja) * | 1999-01-13 | 2002-10-22 | スリーエム イノベイティブ プロパティズ カンパニー | 投影スクリーン用フレネルレンズ |
JP2000268749A (ja) * | 1999-03-15 | 2000-09-29 | Matsushita Electronics Industry Corp | 平板状画像表示装置 |
JP2002134641A (ja) * | 2000-10-20 | 2002-05-10 | Matsushita Electric Ind Co Ltd | 半導体装置および半導体装置の製造方法ならびに半導体装置の実装方法 |
JP2003174183A (ja) * | 2001-12-07 | 2003-06-20 | Daido Steel Co Ltd | 集光型太陽光発電装置 |
JP2003266450A (ja) * | 2002-03-18 | 2003-09-24 | Canon Inc | 光学素子及びその製造方法 |
JP2003344740A (ja) * | 2002-05-30 | 2003-12-03 | Anritsu Corp | 光学装置及び光学部品の接着方法 |
JP2004214491A (ja) * | 2003-01-07 | 2004-07-29 | Yasunori Tanji | 太陽エネルギーの集積装置及び光電エネルギー変換装置並びに熱電エネルギー変換装置 |
JP2004241495A (ja) * | 2003-02-04 | 2004-08-26 | Nikon Corp | 固体撮像装置 |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100132793A1 (en) * | 2006-09-28 | 2010-06-03 | Kenta Nakamua | Solar cell, concentrating solar power generation module, concentrating solar power generation unit, method of manufacturing solar cell, and solar cell manufacturing apparatus |
WO2008044490A1 (en) * | 2006-10-06 | 2008-04-17 | Sharp Kabushiki Kaisha | Method for manufacturing photovoltaic power generation unit and system for manufacturing photovoltaic power generation unit |
WO2009050144A1 (fr) * | 2007-10-16 | 2009-04-23 | Avancis Gmbh & Co. Kg | Perfectionnements apportés à des éléments capables de collecter de la lumière |
US9097442B2 (en) | 2007-10-16 | 2015-08-04 | Saint-Gobain Glass France | Made to elements capable of collecting light |
CN101897035B (zh) * | 2007-10-16 | 2013-05-08 | 法国圣戈班玻璃厂 | 对能够收集光的元件所做的改进 |
US20110283517A1 (en) * | 2007-11-29 | 2011-11-24 | Atomic Energy Council-Institute Of Nuclear Energy Research | Method for Aligning a Lens Array to a Cell Array |
JP5164999B2 (ja) * | 2008-01-17 | 2013-03-21 | シャープ株式会社 | 集光型太陽光発電ユニットおよび集光型太陽光発電ユニット製造方法 |
WO2009090843A1 (ja) * | 2008-01-17 | 2009-07-23 | Sharp Kabushiki Kaisha | 集光型太陽光発電ユニットおよび集光型太陽光発電ユニット製造方法 |
US20110263067A1 (en) * | 2008-02-11 | 2011-10-27 | Emcore Solar Power, Inc. | Methods of Forming a Concentrating Photovoltaic Module |
US9331228B2 (en) | 2008-02-11 | 2016-05-03 | Suncore Photovoltaics, Inc. | Concentrated photovoltaic system modules using III-V semiconductor solar cells |
US9923112B2 (en) | 2008-02-11 | 2018-03-20 | Suncore Photovoltaics, Inc. | Concentrated photovoltaic system modules using III-V semiconductor solar cells |
JP2010219318A (ja) * | 2009-03-17 | 2010-09-30 | Masanori Kobayashi | 折畳み可能な太陽追従太陽電池 |
TWI449961B (zh) * | 2009-04-02 | 2014-08-21 | Atomic Energy Council | 聚光型太陽能發電模組之光學透鏡結構改良 |
JP2013508741A (ja) * | 2010-12-01 | 2013-03-07 | パナソニック株式会社 | 太陽電池に集光するためのフレネルーフライアイマイクロレンズアレイ |
JP2013012605A (ja) * | 2011-06-29 | 2013-01-17 | Sharp Corp | 集光型太陽光発電装置、および集光型太陽光発電装置の製造方法 |
WO2013001944A1 (ja) * | 2011-06-29 | 2013-01-03 | シャープ株式会社 | 集光型太陽光発電装置、および集光型太陽光発電装置の製造方法 |
WO2014038568A1 (ja) * | 2012-09-10 | 2014-03-13 | シャープ株式会社 | 太陽電池モジュール及び太陽光発電装置 |
JP2017034106A (ja) * | 2015-08-03 | 2017-02-09 | 住友電気工業株式会社 | 集光型太陽光発電ユニット、集光型太陽光発電モジュール、集光型太陽光発電パネル及び集光型太陽光発電装置 |
WO2017022325A1 (ja) * | 2015-08-03 | 2017-02-09 | 住友電気工業株式会社 | 集光型太陽光発電ユニット、集光型太陽光発電モジュール、集光型太陽光発電パネル及び集光型太陽光発電装置 |
US20180204969A1 (en) * | 2015-08-03 | 2018-07-19 | Sumitomo Electric Industries, Ltd. | Concentrator photovoltaic unit, concentrator photovoltaic module, concentrator photovoltaic panel, and concentrator photovoltaic device |
US11139409B2 (en) | 2015-08-03 | 2021-10-05 | Sumitomo Electric Industries, Ltd. | Concentrator photovoltaic unit, concentrator photovoltaic module, concentrator photovoltaic panel, and concentrator photovoltaic device |
Also Published As
Publication number | Publication date |
---|---|
US8237044B2 (en) | 2012-08-07 |
AU2006256136A1 (en) | 2006-12-14 |
AU2006256136B2 (en) | 2010-02-11 |
AU2006256136B8 (en) | 2010-05-27 |
US20090133737A1 (en) | 2009-05-28 |
EP1895597A1 (en) | 2008-03-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2006132265A1 (ja) | 集光型太陽光発電ユニットおよび集光型太陽光発電装置、ならびに集光レンズ、集光レンズ構造体、および集光レンズ構造体の製造方法 | |
JP4732015B2 (ja) | 集光型太陽光発電ユニットおよび集光型太陽光発電装置 | |
JP5013684B2 (ja) | 集光レンズ、集光レンズ構造体、集光型太陽光発電装置、および集光レンズ構造体の製造方法 | |
US9464783B2 (en) | Concentrated photovoltaic panel | |
EP2073279A1 (en) | Solar cell, light concentrating photovoltaic power generation module, light concentrating photovoltaic power generation unit, solar cell manufacturing method and solar cell manufacturing apparatus | |
AU2008305083B2 (en) | Solar cell, concentrating photovoltaic power generation module, concentrating photovoltaic power generation unit and solar cell manufacturing method | |
WO2009157304A1 (ja) | 太陽電池、集光型太陽光発電モジュール、および太陽電池製造方法 | |
US20100326494A1 (en) | Solar cell, concentrating solar power generation module, and solar cell manufacturing method | |
US20080128016A1 (en) | Parallel Aperture Prismatic Light Concentrator | |
JP2009510739A (ja) | 集光光起電装置、その中における使用のための光起電ユニット及びこれのための製造方法 | |
JP2006332113A (ja) | 集光型太陽光発電モジュール及び集光型太陽光発電装置 | |
JP2009187971A (ja) | 太陽電池、集光型太陽光発電モジュール、および太陽電池製造方法 | |
US7868244B2 (en) | Solar CPV cell module and method of safely assembling, installing, and/or maintaining the same | |
JP2000091612A (ja) | 集光追尾式発電装置 | |
WO2012160994A1 (ja) | 集光型太陽電池及びその製造方法 | |
JP2009272567A (ja) | 太陽電池、集光型太陽光発電モジュール、および、太陽電池製造方法 | |
WO2010027083A1 (ja) | 太陽電池、集光型太陽光発電モジュール、および、太陽電池製造方法 | |
JP2010135608A (ja) | 集光型太陽光発電装置、集光型太陽光発電装置の製造方法、および集光レンズパネル | |
JP4454666B2 (ja) | 太陽電池、集光型太陽光発電モジュール、集光型太陽光発電ユニット、および太陽電池製造方法 | |
US20120206826A1 (en) | Light-collecting device and light-collecting method thereof | |
KR101357200B1 (ko) | 박형 집광형 태양전지모듈 | |
US20150096176A1 (en) | Concentrating Thin Film Absorber Device and Method of Manufacture | |
KR101437909B1 (ko) | 캐리어 보호기능을 갖는 2차 광학 구성요소 및 이를 구비하는 집광형 태양전지모듈 | |
KR20200041012A (ko) | 이중구조의 집광렌즈가 구비된 태양에너지의 집광장치 | |
KR20190096263A (ko) | 집광식 태양광 발전 모듈 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 11921465 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2006256136 Country of ref document: AU |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2006757110 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2006256136 Country of ref document: AU Date of ref document: 20060607 Kind code of ref document: A |
|
WWP | Wipo information: published in national office |
Ref document number: 2006256136 Country of ref document: AU |