WO2010112626A1 - Solar tracker - Google Patents

Solar tracker Download PDF

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Publication number
WO2010112626A1
WO2010112626A1 PCT/ES2009/070087 ES2009070087W WO2010112626A1 WO 2010112626 A1 WO2010112626 A1 WO 2010112626A1 ES 2009070087 W ES2009070087 W ES 2009070087W WO 2010112626 A1 WO2010112626 A1 WO 2010112626A1
Authority
WO
WIPO (PCT)
Prior art keywords
panels
modules
solar tracker
elements
solar
Prior art date
Application number
PCT/ES2009/070087
Other languages
Spanish (es)
French (fr)
Inventor
Dionisio Silvestre Mata
Original Assignee
Energia Ercam, S.A.
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 Energia Ercam, S.A. filed Critical Energia Ercam, S.A.
Priority to PCT/ES2009/070087 priority Critical patent/WO2010112626A1/en
Publication of WO2010112626A1 publication Critical patent/WO2010112626A1/en

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Classifications

    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S23/77—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with flat reflective plates
    • 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
    • F24S30/45—Arrangements for moving or orienting solar heat collector modules for rotary movement with two rotation axes
    • F24S30/455—Horizontal primary axis
    • 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
    • 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
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/20—Optical components
    • H02S40/22—Light-reflecting or light-concentrating means
    • 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
    • F24S2020/10—Solar modules layout; Modular arrangements
    • F24S2020/16—Preventing shading effects
    • 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
    • F24S2030/10—Special components
    • F24S2030/13—Transmissions
    • F24S2030/131—Transmissions in the form of articulated bars
    • 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
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/20—Climate change mitigation technologies for sector-wide applications using renewable energy

Definitions

  • the present invention has as its object a solar tracker that maximizes the surface of solar radiation collection, preventing shadow areas due to the projection of some panels onto others.
  • the solar tracker allows the action on photovoltaic solar panels or modules as well as on reflective elements that make solar radiation converge on the panels.
  • Dual-axis solar trackers are known in the state of the art, which have a main structure with the capacity to rotate with respect to a longitudinal axis and secondary structures that act as frames on which the photovoltaic panels or modules are fixedly fixed, which they join the main structure and can rotate with respect to an axis transverse to the longitudinal axis.
  • the installed power per unit area of the previous solar tracker is limited by the separation that must exist between the panels or photovoltaic modules in order to avoid that during their orientation, some panels cast shadow on others, decreasing the energy efficiency of the set.
  • the separation between panels is mandatory.
  • the followers that they currently use require the existence of a separation distance of the order of the width of the photovoltaic panel so that their projection does not interfere with the adjacent panel, which limits the energy obtained by the solar tracker in half.
  • the solar tracker of the present invention solves the above drawbacks by maximizing the solar radiation collection surface, thereby increasing the energy collected by the panels by 30%.
  • the present invention relates to a solar tracker that maximizes the surface of solar radiation collection, preventing shadow areas due to the projection of some panels onto others.
  • the solar tracker comprises a main structure with rotation capacity with respect to a longitudinal axis, secondary structures that join the main structure, fixing on said secondary structures some panels or photovoltaic modules that can rotate with respect to an axis that is transverse to the axis longitudinal
  • the solar tracker also includes tertiary structures on which reflective elements that also rotate with respect to the transverse axis are fixed.
  • the photovoltaic panels or modules and the reflective elements rotate independently with respect to the transverse axis due to the fact that both are connected by connecting rods to the main structure.
  • the connecting rods of the rotation of both the photovoltaic panels or modules and the reflective elements are joined by their lower end to a slide so that by means of an actuator acting on each slide, the same turn is achieved for all photovoltaic panels or modules and on the other hand, the same turn for all reflective elements.
  • the main structure is formed by sections of longitudinal and transverse beams that are rigidly connected and rotate with respect to a set of pillars fixed to the ground by means of a longitudinal axis that joins the transverse beam sections with the pillars.
  • a solar tracker is formed that has three degrees of freedom, the first one associated with the rotation around the longitudinal axis of the main structure, the second one associated with the rotation of the photovoltaic panels or modules around the transverse axis, and the third associated with the rotation of the reflective elements around the transverse axis.
  • Figure 1 shows a diagram of the solar path during the summer solstice, where the sun reaches a higher height, and during the winter solstice, where the sun reaches a lower height.
  • Figure 2 shows a perspective view of the solar tracker where the photovoltaic panels or modules and the reflective elements for ob- Serve the primary, secondary and tertiary structures more clearly.
  • Figure 3 shows an elevation view of the path of the sun's rays on the panels or photovoltaic modules and on the reflective elements when the sun is at its highest position on a winter day.
  • Figure 4 shows an elevation view of one of the panels and one of the reflective elements in which both are located below the horizontal plane where the transverse axis is contained.
  • the solar tracker comprises a main structure (1) that is formed by a set of transverse beams (1.1) and longitudinal beams (1.2) capable of turning with respect to a longitudinal axis (4) that rotates with respect to vertical posts (1.3).
  • the solar tracker On the main structure there are secondary structures (2) on which panels (2.1) or photovoltaic modules that can rotate with respect to an axis that is transverse (5) to the longitudinal axis (4) are fixed.
  • the solar tracker further comprises tertiary structures (3) alternated with the secondary structures (2) on which reflective elements (3.1) are fixed, which in this preferred embodiment are mirrors, which also rotate with respect to the axis (5) transversal.
  • Both the secondary structures (2) and the tertiary structures (3) are connected through the axis (5) transverse to a bar (1.4) perpendicular to the set of transverse beams (1.1) and longitudinal beams (1.2) of the structure (1) ) main, so that the transverse axis of rotation (5) is common to photovoltaic panels or modules (2) and reflective elements (3) that are located respectively on secondary structures (2) and tertiary structures (3).
  • the photovoltaic panels or modules (2.1) and the reflective elements (3.1) rotate independently of the transverse axis (5) because some (2.1) and others (3.1) are connected by connecting rods (2.2, 3.2 ) to sliding paths (2.3, 3.3) that move along the longitudinal beams (1.2) of the main structure (1) since they are actuated by an actuator (6) that acts on each slide (2.3, 3.3 ).
  • the photovoltaic panels or modules (2.1) and the reflective elements (3.1) can rotate a negative angle with respect to the horizontal, so that a reflective element (3) can reflect the solar radiation towards the two photovoltaic panels or modules (2.1) between which is located, or a photovoltaic panel or module (2.1) can receive the solar radiation of the two elements (3) reflective among which it is located.

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

Abstract

The subject matter of the present invention is a solar tracker that maximizes the solar-radiation-capture surface, preventing the production of shaded areas owing to the projection of some of the panels on others, since said invention allows the photovoltaic solar modules or panels and also reflective elements that cause the solar radiation to converge on the panels to be acted upon.

Description

SEGUIDOR SOLAR SOLAR TRACKER
DESCRIPCIÓNDESCRIPTION
OBJETO DE LA INVENCIÓNOBJECT OF THE INVENTION
La presente invención tiene por objeto un seguidor solar que maximiza la superficie de captación de radiación solar, impidiendo que se generen zonas de sombra debidas a la proyección de unos paneles sobre otros.The present invention has as its object a solar tracker that maximizes the surface of solar radiation collection, preventing shadow areas due to the projection of some panels onto others.
Debido a su especial configuración, el seguidor solar permite la actuación sobre los paneles o módulos solares fotovoltaicos asi como sobre unos elementos re- flectantes que hacen converger la radiación solar sobre los paneles.Due to its special configuration, the solar tracker allows the action on photovoltaic solar panels or modules as well as on reflective elements that make solar radiation converge on the panels.
De esta manera, la radiación que no incide directamente sobre los paneles incide indirectamente sobre ellos a través de la reflexión producida en los elementos reflectantes.In this way, the radiation that does not directly affect the panels indirectly affects them through the reflection produced in the reflective elements.
ANTECEDENTES DE LA INVENCIÓNBACKGROUND OF THE INVENTION
Se conocen en el estado de la técnica los seguidores solares de doble eje que cuentan con una estructura principal con capacidad de giro respecto de un eje longitudinal y unas estructuras secundarias que actúan como bastidores sobre los que se fijan solidariamente los paneles o módulos fotovoltaicos, que se unen a la estructura principal y pueden girar respecto de un eje transversal al eje longitudinal.Dual-axis solar trackers are known in the state of the art, which have a main structure with the capacity to rotate with respect to a longitudinal axis and secondary structures that act as frames on which the photovoltaic panels or modules are fixedly fixed, which they join the main structure and can rotate with respect to an axis transverse to the longitudinal axis.
Entre los anteriores se encuentra la solicitud internacional con número de publicación WO2008/090241 relativa a un seguidor solar de doble eje que presenta escasa sensibilidad al viento y que permite un mejor aprovechamiento del terreno al poder disponer de una elevada potencia instalada por unidad de superficie.Among the above is the international application with publication number WO2008 / 090241 relative to a double-axis solar tracker that has low wind sensitivity and that allows a better use of the land to have a high installed power per unit area.
Sin embargo, la potencia instalada por unidad de superficie del seguidor solar anterior se ve limitada por la separación que debe existir entre los paneles o módulos fotovoltaicos a fin de evitar que durante su orientación, unos paneles proyecten sombra sobre otros, disminuyendo la eficiencia energética del conjunto.However, the installed power per unit area of the previous solar tracker is limited by the separation that must exist between the panels or photovoltaic modules in order to avoid that during their orientation, some panels cast shadow on others, decreasing the energy efficiency of the set.
Más concretamente, cuando los paneles o módulos fotovoltaicos se inclinan respecto a la horizontal para recibir una radiación solar incidente que forma un notable ángulo con la vertical, la separación entre paneles es obligatoria.More specifically, when the photovoltaic panels or modules are inclined with respect to the horizontal to receive an incident solar radiation that forms a notable angle with the vertical, the separation between panels is mandatory.
Esta situación se da especialmente en invierno, cuando las horas de luz son pocas y el sol no alcanza mucha altura debido a que la salida y la puesta de mismo se desplazan hacia el sur.This situation occurs especially in winter, when daylight hours are few and the sun does not reach much height because the sunrise and sunset move south.
Los seguidores que utilizan actualmente, requie- ren de la existencia de una distancia de separación del orden del ancho del panel fotovoltaico para que su proyección no interfiera con el panel adyacente, lo que limita la energía obtenida por el seguidor solar a la mitad.The followers that they currently use require the existence of a separation distance of the order of the width of the photovoltaic panel so that their projection does not interfere with the adjacent panel, which limits the energy obtained by the solar tracker in half.
Todo esto genera una perdida de potencia instalada por unidad de superficie que limita la energía obtenida por el seguidor respecto a la que podría obtener en caso de que toda la superficie del mismo estuviera cubierta por paneles o módulos fotovoltaicos . El seguidor solar de la presente invención resuelve los inconvenientes anteriores al maximizar la superficie de captación de radiación solar, con lo que se incrementa en un 30% la energía recogida por los paneles .All this generates a loss of installed power per unit of surface that limits the energy obtained by the follower with respect to the one that could be obtained in case the entire surface of it was covered by photovoltaic panels or modules. The solar tracker of the present invention solves the above drawbacks by maximizing the solar radiation collection surface, thereby increasing the energy collected by the panels by 30%.
DESCRIPCIÓN DE LA INVENCIÓNDESCRIPTION OF THE INVENTION
La presente invención se refiere a un seguidor solar que maximiza la superficie de captación de radiación solar, impidiendo que se generen zonas de sombra debidas a la proyección de unos paneles sobre otros.The present invention relates to a solar tracker that maximizes the surface of solar radiation collection, preventing shadow areas due to the projection of some panels onto others.
El seguidor solar comprende una estructura principal con capacidad de giro respecto de un eje longitudinal, unas estructuras secundarias que se unen a la estructura principal, fijándose sobre dichas estructuras secundarias unos paneles o módulos fotovoltaicos que pueden girar respeto a un eje que es transversal al eje longitudinal .The solar tracker comprises a main structure with rotation capacity with respect to a longitudinal axis, secondary structures that join the main structure, fixing on said secondary structures some panels or photovoltaic modules that can rotate with respect to an axis that is transverse to the axis longitudinal
El seguidor solar comprende además unas estructuras terciarias sobre las que se fijan unos elementos reflectantes que giran también respecto al eje transversal .The solar tracker also includes tertiary structures on which reflective elements that also rotate with respect to the transverse axis are fixed.
Los paneles o módulos fotovoltaicos y los elementos reflectantes giran de manera independiente res- pecto al eje transversal debido a que unos y otros se unen mediante sendas bielas a la estructura principal.The photovoltaic panels or modules and the reflective elements rotate independently with respect to the transverse axis due to the fact that both are connected by connecting rods to the main structure.
Las bielas de actuación del giro tanto de los paneles o módulos fotovoltaicos como de los elementos reflectantes quedan unidas por su extremo inferior a una deslizadera de modo que mediante un actuador que actúa sobre cada deslizadera, se logra por un lado, el mismo giro para todos los paneles o módulos fotovoltaicos y por otro lado, el mismo giro para todos los elementos reflectantes.The connecting rods of the rotation of both the photovoltaic panels or modules and the reflective elements are joined by their lower end to a slide so that by means of an actuator acting on each slide, the same turn is achieved for all photovoltaic panels or modules and on the other hand, the same turn for all reflective elements.
La estructura principal está conformada por unos tramos de vigas longitudinales y transversales que están rígidamente unidos y giran respecto a un conjunto de pi- lares fijados al terreno por medio de un eje longitudinal que une los tramos de viga transversales con los pilares .The main structure is formed by sections of longitudinal and transverse beams that are rigidly connected and rotate with respect to a set of pillars fixed to the ground by means of a longitudinal axis that joins the transverse beam sections with the pillars.
De esta manera, queda conformado un seguidor so- lar que presenta tres grados de libertad, el primero el asociado al giro alrededor del eje longitudinal de la estructura principal, el segundo el asociado al giro de los paneles o módulos fotovoltaicos alrededor del eje transversal, y el tercero asociado al giro de los ele- mentos reflectantes alrededor del eje transversal.In this way, a solar tracker is formed that has three degrees of freedom, the first one associated with the rotation around the longitudinal axis of the main structure, the second one associated with the rotation of the photovoltaic panels or modules around the transverse axis, and the third associated with the rotation of the reflective elements around the transverse axis.
DESCRIPCIÓN DE LOS DIBUJOSDESCRIPTION OF THE DRAWINGS
Se complementa la presente memoria descriptiva, con un juego de planos, ilustrativos del ejemplo preferente y nunca limitativos de la invención.The present specification is complemented, with a set of drawings, illustrative of the preferred example and never limiting of the invention.
La Figura 1 muestra un esquema de la trayectoria solar durante el solsticio de verano, donde el sol al- canza mayor altura, y durante el solsticio de invierno, donde el sol alcanza menor altura.Figure 1 shows a diagram of the solar path during the summer solstice, where the sun reaches a higher height, and during the winter solstice, where the sun reaches a lower height.
La Figura 2 muestra una vista en perspectiva del seguidor solar donde se ha retirado los paneles o módu- los fotovoltaicos y los elementos reflectantes para ob- servar con más claridad las estructuras primaria, secundarias y terciarias.Figure 2 shows a perspective view of the solar tracker where the photovoltaic panels or modules and the reflective elements for ob- Serve the primary, secondary and tertiary structures more clearly.
La Figura 3 muestra una vista en alzado de la trayectoria de los rayos solares sobre los paneles o módulos fotovoltaicos y sobre los elementos reflectantes cuando el sol se encuentra en su posición más alta en un día de invierno.Figure 3 shows an elevation view of the path of the sun's rays on the panels or photovoltaic modules and on the reflective elements when the sun is at its highest position on a winter day.
La Figura 4 muestra una vista en alzado de uno de los paneles y uno de los elementos reflectantes en la que ambos se sitúan por debajo del plano horizontal donde está contenido el eje transversal.Figure 4 shows an elevation view of one of the panels and one of the reflective elements in which both are located below the horizontal plane where the transverse axis is contained.
REALIZACIÓN PREFERENTE DE LA INVENCIÓNPREFERRED EMBODIMENT OF THE INVENTION
A continuación se llevará a cabo una descripción detallada de un modo preferente de llevar a cabo la invención concerniente al seguidor solar que maximiza la superficie de captación de radiación solar, impidiendo que se generen zonas de sombra debidas a la proyección de unos paneles sobre otros.A detailed description of a preferred way of carrying out the invention concerning the solar tracker that maximizes the surface of solar radiation collection will be carried out below, preventing shadow areas due to the projection of some panels onto others from being generated.
El seguidor solar comprende una estructura (1) principal que está formada por un conjunto de vigas transversales (1.1) y longitudinales (1.2) con capacidad de giro respecto de un eje (4) longitudinal que gira respecto a unos postes (1.3) verticales.The solar tracker comprises a main structure (1) that is formed by a set of transverse beams (1.1) and longitudinal beams (1.2) capable of turning with respect to a longitudinal axis (4) that rotates with respect to vertical posts (1.3).
Sobre la estructura principal se sitúan unas estructuras (2) secundarias sobre las que se fijan unos paneles (2.1) o módulos fotovoltaicos que pueden girar respeto a un eje que es transversal (5) al eje longitudinal (4) . El seguidor solar comprende además unas estructuras (3) terciarias alternadas con las estructuras (2) secundarias sobre las que se fijan unos elementos (3.1) reflectantes, que en este ejemplo de realización prefe- rente son unos espejos, que giran también respecto al eje (5) transversal.On the main structure there are secondary structures (2) on which panels (2.1) or photovoltaic modules that can rotate with respect to an axis that is transverse (5) to the longitudinal axis (4) are fixed. The solar tracker further comprises tertiary structures (3) alternated with the secondary structures (2) on which reflective elements (3.1) are fixed, which in this preferred embodiment are mirrors, which also rotate with respect to the axis (5) transversal.
Tanto las estructuras (2) secundarias como las estructuras (3) terciarias se encuentran unidas a través del eje (5) transversal a una barra (1.4) perpendicular al conjunto de vigas transversales (1.1) y longitudinales (1.2) de la estructura (1) principal, de manera que el eje de giro (5) transversal es común a los paneles o módulos (2) fotovoltaicos y elementos (3) reflectantes que van situados respectivamente sobre las estructuras (2) secundarias y las estructuras (3) terciarias.Both the secondary structures (2) and the tertiary structures (3) are connected through the axis (5) transverse to a bar (1.4) perpendicular to the set of transverse beams (1.1) and longitudinal beams (1.2) of the structure (1) ) main, so that the transverse axis of rotation (5) is common to photovoltaic panels or modules (2) and reflective elements (3) that are located respectively on secondary structures (2) and tertiary structures (3).
Aún asi, los paneles o módulos (2.1) fotovoltaicos y los elementos (3.1) reflectantes giran de manera independiente respecto al eje (5) transversal debido a que unos (2.1) y otros (3.1) se unen mediante sendas bielas (2.2, 3.2) a sendas deslizaderas (2.3, 3.3) que se mueven a lo largo de las vigas (1.2) longitudinales de la estructura (1) principal ya que son accionados me- diante un actuador (6) que actúa sobre cada deslizadera (2.3, 3.3) .Even so, the photovoltaic panels or modules (2.1) and the reflective elements (3.1) rotate independently of the transverse axis (5) because some (2.1) and others (3.1) are connected by connecting rods (2.2, 3.2 ) to sliding paths (2.3, 3.3) that move along the longitudinal beams (1.2) of the main structure (1) since they are actuated by an actuator (6) that acts on each slide (2.3, 3.3 ).
Como se observa en la Figura 4, los paneles o módulos (2.1) fotovoltaicos y los elementos (3.1) re- flectantes pueden girar un ángulo negativo respecto a la horizontal, por lo que un elemento (3) reflectante puede reflejar la radiación solar hacia los dos paneles o módulos (2.1) fotovoltaicos entre los que se encuentra situado, o bien, un panel o módulo (2.1) fotovoltaico pue- de recibir la radiación solar de los dos elementos (3) reflectantes entre los que se encuentra situado.As seen in Figure 4, the photovoltaic panels or modules (2.1) and the reflective elements (3.1) can rotate a negative angle with respect to the horizontal, so that a reflective element (3) can reflect the solar radiation towards the two photovoltaic panels or modules (2.1) between which is located, or a photovoltaic panel or module (2.1) can receive the solar radiation of the two elements (3) reflective among which it is located.
No alteran la esencialidad de esta invención variaciones en materiales, forma, tamaño y disposición de los elementos componentes, descritos de manera no limitativa, bastando ésta para proceder a su reproducción por un experto. Variations in materials, shape, size and arrangement of the component elements, described in a non-limiting manner, do not alter the essentiality of this invention, being sufficient to proceed to its reproduction by an expert.

Claims

REIVINDICACIONES
Ia.- Seguidor solar que comprende una estructuraI a .- Solar tracker comprising a structure
(1) principal con capacidad de giro respecto de un eje (4) longitudinal, unas estructuras (2) secundarias que se unen a la estructura (1) principal, fijándose sobre dichas estructuras (2) secundarias unos paneles (2.1) o módulos fotovoltaicos que pueden girar respeto a un eje que es transversal (5) al eje longitudinal caracterizado porque comprende además unas estructuras (3) terciarias sobre las que se fijan unos elementos (3.1) reflectantes que giran también respecto al eje (5) transversal.(1) main with rotation capacity with respect to a longitudinal axis (4), secondary structures (2) that join the main structure (1), fixing on said secondary structures (2) panels (2.1) or photovoltaic modules which can rotate with respect to an axis that is transverse (5) to the longitudinal axis characterized in that it also comprises tertiary structures (3) on which reflective elements (3.1) are fixed which also rotate with respect to the transverse axis (5).
2a.- Seguidor solar según reivindicación 1 ca- racterizado porque los paneles (2.1) o módulos fotovoltaicos y los elementos (3.1) reflectantes giran de manera independiente respecto al eje transversal (5) debido a que unos (2.1) y otros (3.1) se unen mediante sendas bielas (2.2, 3.2) a la estructura (1) principal.2 .- The solar tracker according to claim 1 racterizado ca- that the panels (2.1) or PV modules and the elements (3.1) reflective rotate independently about the transverse axis (5) due to a (2.1) and others (3.1 ) are connected by connecting rods (2.2, 3.2) to the main structure (1).
3a.- Seguidor solar según reivindicación 2 caracterizado porque las bielas (2.2, 3.2) de actuación del giro tanto de los paneles (2.1) o módulos fotovoltaicos como de los elementos (3.1) reflectantes quedan unidas por su extremo inferior a sendas deslizaderas (2.3, 3.3) respectivamente, de modo que mediante un ac- tuador (6) que actúa sobre cada deslizadera (2.3, 3.3), se logra por un lado, el mismo giro para todos los paneles (2.1) o módulos fotovoltaicos y por otro lado, el mismo giro para todos los elementos (3.1) reflectantes.3 .- solar tracker according to claim 2 characterized in that the rods (2.2, 3.2) of action of the rotation of both panels (2.1) or PV modules and the elements (3.1) reflective are connected at its lower end to respective slideways ( 2.3, 3.3) respectively, so that by means of an actuator (6) that acts on each slide (2.3, 3.3), the same turn is achieved on the one hand for all panels (2.1) or photovoltaic modules and on the other side, the same turn for all reflective elements (3.1).
4a.- Seguidor solar según reivindicación 1 caracterizado porque la estructura (1) principal está formada por un conjunto de vigas transversales (1.1) y lon- gitudinales (1.2) con capacidad de giro respecto del eje (4) longitudinal que gira respecto a unos postes (1.3) verticales .4 .- solar tracker according to claim 1 characterized in that the main structure (1) is formed by a set of transverse beams (1.1) and lengthwise vertical selection (1.2) rotatable about the axis (4) longitudinal that rotates with respect to vertical posts (1.3).
5a.- Seguidor solar según reivindicación 1 ca- racterizado porque los paneles o módulos (2.1) fotovol- taicos y los elementos (3.1) reflectantes pueden girar un ángulo negativo respecto a la horizontal.5 .- solar tracker according to claim 1 racterizado ca- that the panels or modules (2.1) fotovol- taicos and the elements (3.1) can rotate reflecting a negative angle to the horizontal.
6a.- Seguidor solar según reivindicación 1 ca- racterizado porque los paneles o módulos (2.1) fotovol- taicos y los elementos (3.1) reflectantes se encuentran alternados .6 .- solar tracker according to claim 1 racterizado ca- that the panels or modules (2.1) fotovol- taicos and the elements (3.1) are alternating reflective.
7a.- Seguidor solar según reivindicaciones 5 y 6 caracterizado porque un elemento (3) reflectante refleja la radiación solar hacia los dos paneles o módulos (2.1) fotovoltaicos entre los que se encuentra situado.7 a .- Solar tracker according to claims 5 and 6 characterized in that a reflective element (3) reflects the solar radiation towards the two photovoltaic panels or modules (2.1) between which it is located.
8a.- Seguidor solar según reivindicación 5 y 6 caracterizado porque un panel o módulo (2.1) fotovoltai- co recibe la radiación solar de los dos elementos (3) reflectantes entre los que se encuentra situado. 8 .- solar tracker according to claim 5 and 6 characterized in that a panel or module (2.1) co fotovoltai- receives the solar radiation reflecting of the two elements (3) between which it is located.
PCT/ES2009/070087 2009-04-01 2009-04-01 Solar tracker WO2010112626A1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110230644A (en) * 2019-07-08 2019-09-13 浙江正泰新能源开发有限公司 The photovoltaic tracking device bearing arrangement of external sliding block

Citations (6)

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Publication number Priority date Publication date Assignee Title
DE9106505U1 (en) * 1991-05-27 1991-07-25 Wenzel, Joachim, Dipl.-Ing., 7000 Stuttgart Solar device
JP2003282918A (en) * 2002-03-27 2003-10-03 Sanko Seiki Kk Mobile solar cell generating set
EP1988344A1 (en) * 2006-02-21 2008-11-05 Er Automatización, S-A. Dynamic solar tracking system
WO2008154945A1 (en) * 2007-06-21 2008-12-24 Conergy Ag Modular pivotable solar collector arrangement
EP2075853A2 (en) * 2007-12-28 2009-07-01 Sunerg Solar S.R.L. Photovoltaic system with high energy yield
EP2123993A1 (en) * 2007-01-23 2009-11-25 Energia Ercam, S.A. Two-axis solar tracker

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9106505U1 (en) * 1991-05-27 1991-07-25 Wenzel, Joachim, Dipl.-Ing., 7000 Stuttgart Solar device
JP2003282918A (en) * 2002-03-27 2003-10-03 Sanko Seiki Kk Mobile solar cell generating set
EP1988344A1 (en) * 2006-02-21 2008-11-05 Er Automatización, S-A. Dynamic solar tracking system
EP2123993A1 (en) * 2007-01-23 2009-11-25 Energia Ercam, S.A. Two-axis solar tracker
WO2008154945A1 (en) * 2007-06-21 2008-12-24 Conergy Ag Modular pivotable solar collector arrangement
EP2075853A2 (en) * 2007-12-28 2009-07-01 Sunerg Solar S.R.L. Photovoltaic system with high energy yield

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110230644A (en) * 2019-07-08 2019-09-13 浙江正泰新能源开发有限公司 The photovoltaic tracking device bearing arrangement of external sliding block

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