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WO2003007387A1 - Unite solaire - Google Patents

Unite solaire Download PDF

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Publication number
WO2003007387A1
WO2003007387A1 PCT/CH2002/000356 CH0200356W WO03007387A1 WO 2003007387 A1 WO2003007387 A1 WO 2003007387A1 CH 0200356 W CH0200356 W CH 0200356W WO 03007387 A1 WO03007387 A1 WO 03007387A1
Authority
WO
WIPO (PCT)
Prior art keywords
solar
light
plate
unit according
solar unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CH2002/000356
Other languages
German (de)
English (en)
Inventor
Christian Gerteis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2003007387A1 publication Critical patent/WO2003007387A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F77/00—Constructional details of devices covered by this subclass
    • H10F77/40—Optical elements or arrangements
    • H10F77/42—Optical elements or arrangements directly associated or integrated with photovoltaic cells, e.g. light-reflecting means or light-concentrating means
    • H10F77/488—Reflecting light-concentrating means, e.g. parabolic mirrors or concentrators using total internal reflection
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F19/00—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
    • H10F19/80—Encapsulations or containers for integrated devices, or assemblies of multiple devices, having photovoltaic cells
    • 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

  • Such a solar unit is known from practice.
  • individual solar units which may be connected to a photovoltaic module, also called a solar module, can be connected to each other in the usual way, so positioned for sunlight that the light strikes approximately perpendicular to the transparent surface of the solar cell.
  • WO 00/02256 discloses frames made of profiles with which plate-like elements and in particular also solar modules or solar cells can be gripped and supported laterally. Such an arrangement of plate-like elements and frames made of profiles should, inter alia, allow the use as roof elements.
  • the invention has for its object to provide a solar unit of the type specified, which is more economical, especially space-saving, operable. This object is achieved by a solar unit with the features of claim 1.
  • At least two solar cells in the form of a photovoltaic module are connected from their respective transparent side to the plate made of light-conducting material, wherein preferably both in the light incidence direction and q he has several solar cells behind or next to each other on the same plate are arranged.
  • a photovoltaic module also called solar module, has a specific power, which can be set exactly by the serial and / or parallel connection of the individual solar cells.
  • the solar cells are arranged on opposite sides of the same plate.
  • one and the same plate can accommodate solar cells on both sides, whereby the cost-effectiveness of the solar unit according to the invention can be further increased.
  • a plurality of plates are connected together with the or each associated solar cell parallel to each other aligned to form a module package.
  • a module package is extremely compact and offers the user a high performance per available base area.
  • the solar cells located between two plates are arranged back to back with an insulating layer provided therebetween.
  • the performance of a module package is increased again, so that the available base area can be used to a large extent for power generation.
  • the other narrow sides of the respective plate are provided with a light-reflecting layer, preferably a mirror layer.
  • a light-reflecting layer preferably a mirror layer.
  • the respective plate is made of glass or acrylic glass, preferably made of Plexiglas.
  • Acrylic glass has a high light transmittance, transparency and scratch resistance.
  • the translucency of Plexiglas (this term is a registered trademark) is about 93%.
  • Plexiglas is deformable, provided that it is heated to about 140 to 160 ° C, polishable, cuttable, sandable. It is also possible to saw, punch, file and drill Plexiglas. It can also be glued to certain adhesives, namely polyacrylate and polymethacrylate adhesives. Plexiglas can thus be easily processed and used for the solar unit according to the invention.
  • the respective plate is structured in such a way that the light is conducted uniformly to the transparent side of the at least one solar cell such that the incoming light with greater penetration depth also reaches those regions of each transparent side which are of the at least one narrow side of the respective plate, through which the light enters, are remote.
  • a plate constructed in this way also conducts the light into greater penetration depths so that the areas of the transparent side of each solar cell or solar cell, which are further remote from the narrow side of the plate through which the light enters, are well supplied with light.
  • the latter areas or the latter solar cells have a good or at least adequate efficiency.
  • a collector which is arranged above the solar unit, which collects incident light and then passes bundled to at least one narrow side of the respective plate of light-conducting material.
  • the collector has an outer, circumferential, large reflector and an inner, central, small reflector and the light is preferably conducted via the large reflector to the small reflector and from there to at least one narrow side of the respective plate.
  • Such a collector is compact and able to guide the light bundled to the respective narrow sides of the individual plates, so that they are supplied with light to an increased extent.
  • Fig. 3 is a schematic cross section through part of the photovoltaic module.
  • a solar unit 1 in the form of a photovoltaic module 2 is shown schematically in a perspective, slightly exploded view in Fig. 1.
  • the solar unit 1 has at least one solar cell 3, which is connected from its transparent side 4 (see Fig. 3) ago with a plate 5 made of non-conductive material.
  • the plate 5 made of nonconducting material is arranged and designed in such a way that the light (see arrows A in FIGS. 1 and 3) is led via at least one of its narrow sides 6 into the plate 5 to the transparent side 4 of the at least one solar cell 3.
  • a plurality of solar cells 3 in the form of a photovoltaic module are connected from their respective transparent side 4 to the plate 5 of light-conducting material.
  • both in the direction of light according to the arrows A and transverse to several solar cells 3 behind or next to each other on the same plate 5 may be arranged.
  • five solar cells 3 are arranged side by side on the first plate 5 facing the viewer in the direction of incidence according to the arrows A, behind or beneath each other and transversely to the direction of light incidence, so that a total of fifteen solar cells 3 are arranged on the first plate 5 each with its transparent side 4 towards the plate on 'this rest.
  • each plate 5 in the embodiment according to FIG. 1 carries fifteen solar cells on each of its sides 9, 10, ie a total of thirty solar cells 3.
  • the reflective layer 14 is indicated in Fig. 1 for the sake of clarity only in the region of the rear plate 5 at the left upper corner. It is clear that the reflective layer is on the entire narrow side and in particular on the other narrow sides, through which the light does not penetrate into the plate, which are in Fig. 1, the respective right narrow side and the lower narrow side.
  • Each plate 5 is made of glass or acrylic glass, preferably made of Plexiglas.
  • Plexiglas is a polymethyl methacrylate (PMMA)
  • the term Acrylclas is a collective term for organic art glass of polymethacrylates, which are prepared by bulk or bead polymerization and subsequent extrusion or injection molding, for example in the form of sheets or blocks.
  • each plate 5 is structured in such a way that the light is conducted relatively uniformly to the transparent side 4 of each solar cell 3.
  • a collector 15 is arranged above the module package 11 in the form of the photovoltaic module 2. This collects the incident according to the beams 16 light and then passes this bundled to the narrow side 6 each plate 5 of photoconductive material on.
  • the collector 15 has an outer, circumferential, large reflector 17 and an inner, central, small reflector 18, the light, as illustrated by the rays 16, passing through the large reflector 17 to the small reflector 18 Refletor 18 and from there to the respective upper narrow side of each plate is passed.
  • the reflectors 17, 18 may be configured such that the light is distributed as uniformly as possible over the length of the upper narrow side 6 of each plate is introduced into this.
  • collector 15 is adapted to the dimensions and the shape of the underlying photovoltaic module 2, but at least can be adapted.
  • the respective plate for the sake of simplicity is not shown in detail; Rather, only the solar cells 3 are indicated purely schematically in this illustration.
  • the collector 15 may be covered to protect the reflectors 17 and 18 with a protective glass 19.
  • a collector can also be arranged on smaller solar units, if desired also on a solar unit consisting only of a solar cell applied to a plate.
  • a solar cell 3 has, for example, a thickness of 0.5 mm, a height or length in the light incident direction ⁇ IO ⁇ . 100 mm and a width transverse to the direction of light incidence, for example 50 mm.
  • a plate 5 has, for example, a thickness of 2 mm and also a length parallel to the direction of light incidence of 100 mm and a width transverse to the light incident direction of 50 mm.
  • 36 solar cells and 18 plates can now be connected together to form a module package.
  • the module package is as it were standing exposed to the sun so that the light hits the upper narrow side of each plate and then passes through the plates to the transparent sides of each solar cell and thus the absorber layer of each solar cell.
  • a solar unit according to the invention With such a module package, 200 module packages with approximately 7,000 solar cells could be accommodated on a square meter of floor space. The resulting performance is considerably higher than that which can be achieved with conventional solar modules.
  • the production costs of a solar unit according to the invention are approximately one third of that of a known solar unit of the same power.
  • the erfindungsge wet solar unit can be used very compactly.
  • a conventional solar unit requires 20 m 2 to reach a given power.
  • a solar unit according to the invention requires only about 400 cm 2 for the same power and, moreover, only one housing with a collector, whereas numerous housings are to be used in the conventional solar unit. It follows that ultimately the manufacturing price of a solar unit according to the invention, as mentioned above, can be set much lower than that of conventional solar units.
  • the inventive solar unit is therefore relatively inexpensive to produce and also works more economically than conventional solar units.

Landscapes

  • Photovoltaic Devices (AREA)

Abstract

L'invention concerne une unité solaire (1) comportant au moins une cellule solaire (3). Selon l'invention, ladite cellule solaire (3) (au moins au nombre de une) est reliée par sa face transparente, à une plaque (5) en matériau photoconducteur. Ladite plaque est disposée et se présente de manière que la lumière (flèche A) soit guidée par l'intermédiaire d'un de ses petits côtés (6) de manière à entrer dans la plaque (5), par rapport à la face transparente de la cellule solaire (3) (au moins au nombre de une). De préférence plusieurs cellules solaires sont disposées sur les deux côtés (9, 10) de chaque plaque (5) et des plaques (5) comportant plusieurs cellules solaires sont regroupées en un module photovoltaïque (2).
PCT/CH2002/000356 2001-07-09 2002-07-02 Unite solaire Ceased WO2003007387A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH12572001 2001-07-09
CH1257/01 2001-07-09

Publications (1)

Publication Number Publication Date
WO2003007387A1 true WO2003007387A1 (fr) 2003-01-23

Family

ID=4564960

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CH2002/000356 Ceased WO2003007387A1 (fr) 2001-07-09 2002-07-02 Unite solaire

Country Status (1)

Country Link
WO (1) WO2003007387A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006035965A1 (de) * 2006-08-02 2008-02-07 Kay Itzigehl Solarzellenanordnung
NL2002766C2 (nl) * 2009-04-20 2010-10-22 Stichting Energie Zonnepaneel en werkwijze voor het vervaardigen daarvan.

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2737847A1 (de) * 1977-08-23 1979-03-08 Fraunhofer Ges Forschung Vorrichtung mit lumineszenz-lichtkonzentratoren zur umwandlung von solarenergie
GB1602889A (en) * 1978-05-30 1981-11-18 Lidorenko N S Semiconductor photovoltaic generator and a method of manufacturing same
US4367367A (en) * 1978-07-04 1983-01-04 Renata Reisfeld Collector for solar energy
DE4323103A1 (de) * 1993-07-10 1995-01-19 Karin Gebhard Anordnung von Konzentratoren zur Steigerung des Wirkungsgrades beim Einsatz der Sonnenenergie
FR2792460A1 (fr) * 1999-04-19 2000-10-20 Biocube Generateurs photovoltaiques a cascade lumineuse et variation de flux electromagnetique

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2737847A1 (de) * 1977-08-23 1979-03-08 Fraunhofer Ges Forschung Vorrichtung mit lumineszenz-lichtkonzentratoren zur umwandlung von solarenergie
GB1602889A (en) * 1978-05-30 1981-11-18 Lidorenko N S Semiconductor photovoltaic generator and a method of manufacturing same
US4367367A (en) * 1978-07-04 1983-01-04 Renata Reisfeld Collector for solar energy
DE4323103A1 (de) * 1993-07-10 1995-01-19 Karin Gebhard Anordnung von Konzentratoren zur Steigerung des Wirkungsgrades beim Einsatz der Sonnenenergie
FR2792460A1 (fr) * 1999-04-19 2000-10-20 Biocube Generateurs photovoltaiques a cascade lumineuse et variation de flux electromagnetique

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006035965A1 (de) * 2006-08-02 2008-02-07 Kay Itzigehl Solarzellenanordnung
NL2002766C2 (nl) * 2009-04-20 2010-10-22 Stichting Energie Zonnepaneel en werkwijze voor het vervaardigen daarvan.
WO2010123352A1 (fr) * 2009-04-20 2010-10-28 Stichting Energieonderzoek Centrum Nederland Panneau solaire et son procédé de fabrication

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