DE10214408A1 - Tracking solar concentrator system for generation of electricity - Google Patents
Tracking solar concentrator system for generation of electricityInfo
- Publication number
- DE10214408A1 DE10214408A1 DE10214408A DE10214408A DE10214408A1 DE 10214408 A1 DE10214408 A1 DE 10214408A1 DE 10214408 A DE10214408 A DE 10214408A DE 10214408 A DE10214408 A DE 10214408A DE 10214408 A1 DE10214408 A1 DE 10214408A1
- Authority
- DE
- Germany
- Prior art keywords
- power plant
- solar power
- plant according
- photocell
- glass body
- 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.)
- Withdrawn
Links
- 230000005611 electricity Effects 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000011521 glass Substances 0.000 claims description 20
- 230000005855 radiation Effects 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 5
- 230000003667 anti-reflective effect Effects 0.000 claims description 2
- 230000002209 hydrophobic effect Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 2
- 239000012141 concentrate Substances 0.000 claims 1
- 238000000265 homogenisation Methods 0.000 claims 1
- 239000002918 waste heat Substances 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 description 22
- 230000032683 aging Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 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
- H01L31/052—Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/70—Waterborne solar heat collector modules
-
- 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
-
- 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
- F24S30/42—Arrangements for moving or orienting solar heat collector modules for rotary movement with only one rotation axis
- F24S30/425—Horizontal axis
-
- 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
-
- 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
- H01L31/0547—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 reflecting type, e.g. parabolic mirrors, concentrators using total internal reflection
-
- 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
-
- 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
- Y02E10/44—Heat exchange systems
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
Description
In der deutschen Patentanmeldung 101 50176.5 ist ein Solarkraftwerk beschrieben, dessen langgestreckte Konzentratoren zu einer Plattform zusammengefasst sind, die auf einer Wasserschicht schwimmt und durch Drehung um die Hochachse dem Sonnenazimut folgt. Zur Nachführung der Sonnenhöhe vollziehen die Konzentratoren eine Rollbewegung um ihre Längsachse. Die vorliegende Patentanmeldung betrifft Verbesserungen an diesen Solarkraftwerken. In German patent application 101 50176.5 there is a solar power plant described, whose elongated concentrators are combined into a platform, which floats on a layer of water and rotates around the vertical axis Sun azimuth follows. To adjust the height of the sun, the concentrators perform one Rolling movement around its longitudinal axis. The present patent application relates Improvements to these solar power plants.
Ein Nachteil des bisherigen Konzeptes ist die ungleichförmige Belastung der Photozellen und die zu kleine Fläche, über die die Abwärme auf das Wasser übertragen wird. Durch die Verwendung der zirkularen Fresnellinse führt die kreisförmigen Abbildung der Sonne auf der Photozelle, die erst bei vierhundert Sonnen ihren maximalen Wirkungsgrad erreicht, zu einem Bereich mit extremer Bestrahlungsdichte. Da für die Fokalfläche ein Fokusdurchmesser gewählt werden muss, der in Abhängigkeit von der Toleranz des Konzentratoraufbaus und der daraus erwachsenden möglichen Verschiebung des Fokus gegenüber der Normalen auf dem Zentrum der Linse viel kleiner sein muss, als die Zellenbreite, entstehen in solchen Bereichen örtliche Werte der Konzentration, die Wert über die zulässige Belastbarkeit der Zelle hinausgehen. Dies führt zu Ionenwanderung innerhalb der Zelle und damit zu deren Alterung oder gar Zerstörung. Schon bei geringer Reduktion des Fokusdurchmessers sinkt wegen zu hoher Strahlungsdichte der Wirkungsgrad, gleichzeitig bleiben die vier sphärischen Dreiecke auf der Zelle, die um die kreisförmige Fokalfläche verbleiben unbestrahlt. A disadvantage of the previous concept is the non-uniform loading of the Photocells and the too small area over which the waste heat is transferred to the water becomes. By using the circular Fresnel lens, the circular leads Image of the sun on the photocell that only reaches its maximum at four hundred suns Efficiency reached to an area with extreme radiation density. As for the Focal area, a focus diameter must be selected that depends on the Tolerance of the concentrator structure and the possible resulting from it Shift the focus from the normal to the center of the lens to be much smaller must, as the cell width, result in local values in such areas Concentration that goes beyond the permissible load capacity of the cell. this leads to Ion migration within the cell and thus to its aging or even destruction. Even with a small reduction in the focus diameter, it drops due to too high Radiation density the efficiency, at the same time the four spherical triangles remain on the Cell that remains around the circular focal surface is unirradiated.
Zur Abhilfe dieses Nachteiles sieht die Erfindung einen der Photozelle vorgeschalteten optischen Körper vor, in dem durch vielfache interne Reflexion eine Homogenisierung des Strahlungsstromes erfolgt, die zur Verteilung der Strahlung über der gesamten Oberfläche der rechteckigen Photozelle führt. Im einfachsten Falle ist der optische Körper als Quader ausgebildet, dessen Querschnitt der Fläche der Photozelle entspricht und dessen Länge ein Mehrfaches der Querschnittskantenlänge beträgt. Vorteilhaft wirkt sich eine hohe Brechzahl das Glases des optischen Körpers aus. Die Absorption im Spektralbereich der Sonne sollte so gering wie möglich sein. Außerdem sollte die Strahlungseintrittsfläche eine reflexmindernde Oberfläche aufweisen. Die Photozelle wird zweckmäßigerweise mit dem optischen Körper verklebt unter Verwendung eines optischen Klebers mit gleicher Brechzahl, zum Beispiel Dow Corning 184. To remedy this disadvantage, the invention provides an optical body upstream of the photocell, in which the internal radiation is homogenized by multiple internal reflection, which leads to the distribution of the radiation over the entire surface of the rectangular photocell. In the simplest case, the optical body is designed as a cuboid, the cross section of which corresponds to the surface of the photocell and the length of which is a multiple of the cross-sectional edge length. A high refractive index of the glass of the optical body has an advantageous effect. The absorption in the spectral range of the sun should be as low as possible. In addition, the radiation entrance surface should have a reflection-reducing surface. The photocell is expediently glued to the optical body using an optical adhesive with the same refractive index, for example Dow Corning 184 .
Unterhalb der extrem bestrahlten Zelle befindet sich ein Block aus gut wärmeleitendem Metall mit einer Fläche, die ein Mehrfaches der Zellenfläche beträgt, so dass die Wärmestromdichte gegenüber dem Wasser herabgesetzt wird. Dieser Block leitet den Wärmestrom durch die Außenwand des schwimmfähigen Gehäuses ins Wasser. There is a block of good beneath the extremely irradiated cell thermally conductive metal with an area that is a multiple of the cell area, so that the Heat flow density compared to the water is reduced. This block directs the Heat flow through the outer wall of the floatable housing into the water.
Der Querschnitt des Gehäuses, das die Konzentratorlinsen trägt, sollte unsymmetrisch zur vertikalen Mittellinie ausgebildet werden und einen Bereich zur Aufnahme der Photozellen aufweisen, der unter allen Betriebsbedingungen unter der Wasseroberfläche verbleibt. Die Unsymmetrie erfordert eine Konzentratorlinse, deren Normale durch den Mittelpunkt der Zelle geht, was zu einer Asymmetrie der kreisförmigen Rillen führt. Es hat sich gezeigt, dass der innere kreisförmige Bereich aus einfach brechenden Ringen aufgebaut sein muss, während der äußere Bereich Profile aufweist, in denen die eintretenden Strahlen eine innere Reflexion erfahren. The cross section of the housing that carries the concentrator lenses should be asymmetrical to the vertical center line and an area for recording of the photocells, which under all operating conditions under the Water surface remains. The asymmetry requires a concentrator lens whose normal is through the center of the cell goes, which leads to an asymmetry of the circular grooves. It has been shown that the inner circular area is made of single refractive Rings must be built, while the outer area has profiles in which the incoming rays experience an inner reflection.
Weitere Merkmale der Erfindung sind in den Figuren beschrieben. Further features of the invention are described in the figures.
Fig. 1 zeigt schematisch den Aufbau des Konzentrators. Fig. 1 shows schematically the structure of the concentrator.
Fig. 2 zeigt einen Querschnitt durch den Block. Fig. 2 shows a cross section through the block.
Fig. 3 zeigt den Block in x-Richtung verlaufend. Fig. 3 shows the block in the x direction running.
Fig. 4 zeigt ein Konzentratorgehäuse mit einer Rinne für den Block. Fig. 4 shows a concentrator housing with a channel for the block.
Fig. 5 zeigt in Draufsicht einen optischen Körper mit Halterohr. Fig. 5 shows in top view an optical body with holding tube.
Fig. 6 zeigt eine Haltevorrichtung für den optischen Körper mit Wendel. Fig. 6 shows a holding device for the optical body with a spiral.
Fig. 7 zeigt eine Haltevorrichtung für den optischen Körper mit Schneiden. Fig. 7 shows a holding device for the optical body with cutting edges.
Fig. 8 zeigt schematisiert einen Schwenkantrieb. Fig. 8 shows schematically a pivot drive.
Fig. 9 zeigt einen Wellenerzeuger. Fig. 9 shows a wave generator.
Fig. 1 zeigt das Konzentratorsystem, das die Linse 1 und die Photozelle 3 enthält. Ein optischer Körper 2 in Quaderform bildet mit der Photozelle 3 eine Einheit, die mit dem gut wärmeleitenden Metallblock 4 verbunden ist. Die Eintrittsfläche 6 für den Strahlungsstrom des optischen Körpers 2 trägt eine Antireflexschicht. Der Fokus bildet eine runde Scheibe, deren Durchmesser kleiner ist, als die Breite des optischen Körpers 2. Der eintretende Strahlungsstrom erfährt durch vielfache Reflexion im optischen Körper 2 eine Homogenisierung, bevor die Strahlen auf die Photozelle auftreffen. Die Verteilung der Strahlung ist dadurch weitgehend gleichmäßig über die quadratische Austrittsfläche des optischen Körpers verteilt, so dass die gesamte Photozellenfläche gleichmäßig bestrahlt wird, was zum günstigsten Wirkungsgrad führt und eine Alterung der Photozelle 1 vermeidet. Die Photozelle 1 ist am Umfang gegen Eindringen von Feuchtigkeit geschützt. Der Einsatz des optischen Körpers 2 in Quaderform ist nicht auf den beschriebenen Einsatz beschränkt. Fig. 1 shows the concentrator system, which contains the lens 1 and the photocell 3 . An optical body 2 in the form of a cuboid forms a unit with the photocell 3 , which is connected to the highly thermally conductive metal block 4 . The entry surface 6 for the radiation current of the optical body 2 carries an anti-reflective layer. The focus forms a round disk, the diameter of which is smaller than the width of the optical body 2 . The incoming radiation current is homogenized by multiple reflections in the optical body 2 before the rays strike the photocell. The distribution of the radiation is thus largely uniformly distributed over the square exit surface of the optical body, so that the entire photocell surface is irradiated uniformly, which leads to the best efficiency and prevents aging of the photocell 1 . The circumference of the photocell 1 is protected against the ingress of moisture. The use of the optical body 2 in cuboid shape is not limited to the use described.
Fig. 2 zeigt einen Vertikalschnitt in der y-Ebene durch den Wärmeverteilungsblock 4' und einen Teil der Wandung 11 des Gehäuses aus Blech. Die Unterseite bildet einen Teil eines Kreiszylinders mit der Mittelpunkt 12. Die Krümmung ermöglicht eine geringe Schwenkung um eine gedachte Achse, die in x-Richtung verläuft und durch den Mittelpunkt 12 führt. Fig. 2 shows a vertical section in the y-plane through the heat distribution block 4 'and part of the wall 11 of the housing made of sheet metal. The underside forms part of a circular cylinder with the center point 12 . The curvature enables a slight pivoting about an imaginary axis that runs in the x direction and leads through the center point 12 .
Fig. 3 zeigt die Ansicht des Wärmeverteilungsblockes 4', der in x-Richtung verschieblich ist und der durch die Federn 13 und 13' gegen die Gehäusewandung 11' gepresst wird. Zur Justierung des optischen Körpers 2' in x-Richtung kann der Wärmeverteilungsblock 4' um einen geringen Bearag verschoben werden, zur Justierung in y-Richtung wird er verschwenkt. Fig. 3 shows the view of the heat distribution block 4 ', which is displaceable in the x direction and which is pressed by the springs 13 and 13 ' against the housing wall 11 '. To adjust the optical body 2 'in the x direction, the heat distribution block 4 ' can be moved by a small amount, for adjustment in the y direction it is pivoted.
Fig. 4 zeigt einen Querschnitt durch das Gehäuse des Konzentrators. Im vorspringenden Bereich 15 sind die optischen Körper 2 mit den Zellen 3 untergebracht. Dieser Vorsprung liegt bei allen Elevationswinkeln unterhalb der Wasseroberfläche 16. Die Wandungen 17 und 18 sind so geformt, dass das Gehäuse mit Zelle und Linse unter allen Schwenkwinkeln zu einem ausreichenden Auftrieb führt. Abgedeckt ist das trogförmige Gehäuse mit den Konzentratorlinsen 1'. Die gestrichelte Linie 19 verläuft durch das Zentrum des optischen Körpers 2. Zum Zentrum 20' der Linse 1 ist die Linse versetzt angeordnet. Fig. 4 shows a cross section through the housing of the concentrator. The optical bodies 2 with the cells 3 are accommodated in the projecting area 15 . This projection lies below the water surface 16 at all elevation angles. The walls 17 and 18 are shaped so that the housing with cell and lens leads to sufficient buoyancy at all pivoting angles. The trough-shaped housing is covered with the concentrator lenses 1 '. The dashed line 19 runs through the center of the optical body 2 . The lens is arranged offset to the center 20 'of the lens 1 .
Fig. 5 zeigt den optischen Körper 2', der in einem Rohr 21 geführt wird, das nur die scharfen Kanten des optischen Körpers 2' berührt. Das Rohr 21 ist an der Innenfläche versilbert und dadurch hoch reflektierend. Fig. 5 shows the optical body 2 'which is guided in a tube 21 which only touches the sharp edges of the optical body 2 '. The tube 21 is silver-plated on the inner surface and is therefore highly reflective.
Fig. 6 zeigt eine Haltevorrichtung für den optischen Körper 2, die aus einer Federdrahtwendel 22 besteht, deren Enden 23 und 24 von einer Säule gehalten werden. Fig. 6 shows a holding device for the optical body 2 , which consists of a spring wire coil 22 , the ends 23 and 24 of which are held by a column.
Fig. 7 zeigt eine weitere Haltevorrichtung, die aus Säulen 26 und 26' besteht, auf deren oberen Enden rasierklingenförmige Blechstreifen befestigt sind, deren Schneiden 28 den optischen Körper 2' zwischen sich festhalten. Die Säule 26' ist um die Achse 30 verschwenkbar und wird durch eine Feder gegen den optischen Körper 2' gedrückt. Fig. 7 shows a further holding device, which consists of columns 26 and 26 ', on the upper ends of which razor-blade-shaped metal strips are attached, the cutting edges 28 of which hold the optical body 2 ' between them. The column 26 'can be pivoted about the axis 30 and is pressed against the optical body 2 ' by a spring.
Fig. 8 zeigt ein Konzentratorgehäuse mit einer Schwenkvorrichtung, die ein Zahnradsegment 35 aufweist, das mit der nach außen führenden Welle 36 verbunden ist. Ein vorzugsweise als Schrittmotor ausgebildeter Getriebemotor 37 mit einer Schnecke 38, der durch einen Sonnenfinder gesteuert wird, bewirkt die Verschwenkung. Das gleiche Getriebe 35, 36, 37 kann auch an den Strukturelementen der schwimmenden Plattform befestigt werden, die Welle 33 ist dann mit den Gehäusen 15, 17, 18 verdrehsteif verbunden. Der Sonnenfinder, durch den die Linse 1 der Sonnenhöhe folgt, kann an einem Konzentratorgehäuse befestigt werden. FIG. 8 shows a concentrator housing with a pivoting device which has a gearwheel segment 35 which is connected to the shaft 36 leading to the outside. A geared motor 37, preferably designed as a stepper motor, with a worm 38 , which is controlled by a sun finder, causes the pivoting. The same gear 35 , 36 , 37 can also be attached to the structural elements of the floating platform, the shaft 33 is then connected to the housings 15 , 17 , 18 in a torsionally rigid manner. The sun finder, through which the lens 1 follows the height of the sun, can be attached to a concentrator housing.
Fig. 9 zeigt einen Tauchspulenschwinger mit der elastischen Membran 40, der Tauchspule 41 und dem Ringmagneten 42. Es hat sich gezeigt, dass ein sehr niedriger Temperatursprung der Photozelle 3' erreicht wird, wenn im Wasser Wellen erzeugt werden. Die Erhöhung der Kühlwirkung durch Vergrößerung des Wärmeüberganges zwischen Wasser und dem Bereich 15 des Gehäuses kann auch durch einen Strahl bewirkt werden, der von einer Pumpe erzeugt wird. Zur Vermeidung von Verdunstung wird der Wasserkörper durch eine Schicht aus hochsiedender hydrophober Flüssigkeit abgedeckt. FIG. 9 shows a moving coil oscillator with the elastic membrane 40 , the moving coil 41 and the ring magnet 42 . It has been shown that a very low temperature jump of the photocell 3 'is achieved when waves are generated in the water. The increase in the cooling effect by increasing the heat transfer between water and the area 15 of the housing can also be brought about by a jet which is generated by a pump. To avoid evaporation, the water body is covered by a layer of high-boiling hydrophobic liquid.
Claims (34)
Priority Applications (14)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10214408A DE10214408A1 (en) | 2002-03-30 | 2002-03-30 | Tracking solar concentrator system for generation of electricity |
AU2002362938A AU2002362938B8 (en) | 2001-10-12 | 2002-10-09 | Solar electricity generator |
ES02801322T ES2306813T3 (en) | 2001-10-12 | 2002-10-09 | SOLAR ELECTRICITY GENERATOR. |
CNB028201736A CN100397662C (en) | 2001-10-12 | 2002-10-09 | Solar electricity generator |
CN2008100953488A CN101308879B (en) | 2001-10-12 | 2002-10-09 | Homogeneous rod |
AT02801322T ATE396504T1 (en) | 2001-10-12 | 2002-10-09 | SOLAR POWER GENERATOR |
EP02801322A EP1440479B1 (en) | 2001-10-12 | 2002-10-09 | Solar electricity generator |
PT02801322T PT1440479E (en) | 2001-10-12 | 2002-10-09 | Solar electricity generator |
PCT/EP2002/011309 WO2003034506A2 (en) | 2001-10-12 | 2002-10-09 | Solar electricity generator |
DE60226761T DE60226761D1 (en) | 2001-10-12 | 2002-10-09 | SOLAR POWER GENERATOR |
JP2003537129A JP4955194B2 (en) | 2001-10-12 | 2002-10-09 | Solar power system |
US10/491,185 US7299632B2 (en) | 2001-10-12 | 2002-10-09 | Solar electricity generator |
AU2008203786A AU2008203786A1 (en) | 2001-10-12 | 2008-08-08 | Solar electricity generator |
JP2011002048A JP2011097083A (en) | 2001-10-12 | 2011-01-07 | Solar electricity generating system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10214408A DE10214408A1 (en) | 2002-03-30 | 2002-03-30 | Tracking solar concentrator system for generation of electricity |
Publications (1)
Publication Number | Publication Date |
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DE10214408A1 true DE10214408A1 (en) | 2003-10-09 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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DE10214408A Withdrawn DE10214408A1 (en) | 2001-10-12 | 2002-03-30 | Tracking solar concentrator system for generation of electricity |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8283555B2 (en) | 2008-07-30 | 2012-10-09 | Solaris Synergy Ltd. | Photovoltaic solar power generation system with sealed evaporative cooling |
EP2122820A4 (en) * | 2007-02-23 | 2016-08-03 | Univ California | Concentrating photovoltaic system using a fresnel lens and nonimaging secondary optics |
-
2002
- 2002-03-30 DE DE10214408A patent/DE10214408A1/en not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2122820A4 (en) * | 2007-02-23 | 2016-08-03 | Univ California | Concentrating photovoltaic system using a fresnel lens and nonimaging secondary optics |
US8283555B2 (en) | 2008-07-30 | 2012-10-09 | Solaris Synergy Ltd. | Photovoltaic solar power generation system with sealed evaporative cooling |
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