EP4324092A1 - Installation photovoltaïque à structure orientable - Google Patents

Installation photovoltaïque à structure orientable

Info

Publication number
EP4324092A1
EP4324092A1 EP22720431.0A EP22720431A EP4324092A1 EP 4324092 A1 EP4324092 A1 EP 4324092A1 EP 22720431 A EP22720431 A EP 22720431A EP 4324092 A1 EP4324092 A1 EP 4324092A1
Authority
EP
European Patent Office
Prior art keywords
central support
photovoltaic system
posts
axis
connection
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.)
Pending
Application number
EP22720431.0A
Other languages
German (de)
English (en)
Inventor
Johann Czaloun
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 EP4324092A1 publication Critical patent/EP4324092A1/fr
Pending legal-status Critical Current

Links

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
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S40/00—Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
    • F24S40/80—Accommodating differential expansion of solar collector elements
    • F24S40/85—Arrangements for protecting solar collectors against adverse weather conditions
    • 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
    • F24S2030/134—Transmissions in the form of gearings or rack-and-pinion transmissions
    • 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
    • F24S2030/136—Transmissions for moving several solar collectors by common transmission elements
    • 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
    • F24S2030/137—Transmissions for deriving one movement from another one, e.g. for deriving elevation movement from azimuth 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

Definitions

  • the present invention relates to a photovoltaic system with an adjustable structure according to the characterizing part of claim 1 and an adjustable structure for a photovoltaic system.
  • the area of application is photovoltaic systems, especially large systems, which must have a simple control system that is insensitive to external influences, requires little maintenance and is easy to repair.
  • a stormproof photographic tracking device is known from CA 2,827,937.
  • This tracking device consists of a central support supporting a series of photo 1ta ikpane e1e pivotally connected to a base and two extendable supports connected to the support by arms that adjust the inclination of the support can be adjusted via a telescope system.
  • a carrier structure for solar panels is known from US Pat. No. 7,647,924, in which a series of Solar panels is connected to a sliding structure with which the inclination of the solar panels is adjusted.
  • This structure is also very complex and expensive to construct.
  • maintenance involves a variety of parts that require maintenance.
  • the pho tovo 1ta ic panels generate vibrations during storms, in which they offer as little resistance as possible, which can lead to resonant vibrations in the structure with corresponding damage, so that the panels do not move in the direction of the wind, but at least partially at an angle to the wind, which requires a carrier structure that can withstand greater loads.
  • US 2010/0180884 also describes a tracking device for solar panels in which the inclination of the panel is adjusted by means of two telescope rods rotating about a fixed axis of rotation mounted on a column.
  • US 2019/0379323 describes a solar panel tracking system comprising a plurality of posts configured to support photovoltaic panels, a bracket connected to the posts, the bracket being pivotally supported by the supporting posts, and a joint system that has a Drive controls the movement of the carrier
  • the system described requires maintenance and control, particularly in the transmission and actuation of the carrier by the drive. This can occur in areas where sand occurs, e.g. B. in deserts and the like, be particularly difficult because in the gears penetrated sand wear the teeth and damage the actuator and associated mechanical elements such. B. the transmission can lead.
  • So 1arko 11ek tor arrangement with a frame wherein this has a first and a second end and the frame comprises a frame member that defines a tilt axis.
  • the collector described there requires a complex one for each panel
  • Alignment structure The structure includes a base and a bracket on which the central support is pivoted. Changing the length of the bracket will level the panel. Such a structure allows only a few panels to be carried. This makes the structure expensive and makes little sense for large systems.
  • a photovoltaic system with a pivotable structure is proposed.
  • the system is placed on a floor, the structure comprising at least three uprights pivotally supporting a central support on which Phot ovo1t aikp anee1 e are mounted, the pivotal connections between the at least three uprights and the central support being substantially mutual are aligned and form a pivot axis for the central support and the at least three uprights are pivotable with respect to the ground with their pivot axes substantially parallel to each other.
  • the length of the posts between the axis of rotation and the connection to the central support is essentially the same for the at least three posts and the inclination about the axis with the bottom of the posts is essentially the same for the at least three posts, therefore the geometry is repeated for the supporting and orienting eleme nt e of the central beam, and the at least one guiding e1 ement connected to the central beam.
  • the guide element is preferably a rod and the connection between the central support and the at least one guide element has at least one joint.
  • the posts are advantageously connected to the central support via a universal joint.
  • This construction allows for a movement of the central support that is essentially parallel to the axis of rotation of the central support. This movement causes, via the guide element, a rotation of the central support that supports the panels.
  • the guide e 1ement advantageously comprises a rod which is articulated by means of a rotary joint on an arm which is rigidly connected to the central support carrying the Phot ovo11 aikp anee1 e, so that the rotary connection can be pivoted from the axis of rotation of the central support is objectionable and that the connection between the floor and the Guide rod is also rotatable and that the inclination of the rod with respect to the plane perpendicular to the axis of rotation of the posts is in at least one position different from that of the posts.
  • the guide is connected to the floor via a swivel joint.
  • Guide rods having substantially the same distance from the central support and the same length with respect to the connection point with the ground and the connection point with the central support, and with substantially the same inclination with respect to the ground and with Be spaced from each other and thus have the same geometric shape with respect to the central support.
  • the guide rod and/or the guide rods are advantageously connected to the central support via a universal joint.
  • This universal joint is preferably connected to an arm (lever) fixed to the central support.
  • the guide rod is connected eccentrically to the axis of rotation of the central support that carries the photo 1tai kpane e1e.
  • connection point with the ground can be placed on a raised base. This can compensate for Uneven floors are used and thus forms the basis for the photovoltaic system.
  • the uprights can also be placed on a base to regulate the distance between the pivot axis of the upright and the connection to the central support, as well as the inclination of the uprights, which must be substantially parallel to each other.
  • auxiliary structures with a larger number of degrees of freedom to the posts to support the central girder.
  • the support structure of the invention has at least three posts aligned along and pivotally connected to the central beam, and these posts are centered on the ground.
  • the at least three posts have essentially the same geometry, i. H. they have the same length and the same slope. In this way, the central support can be displaced axially by a displacement along the arc of the links, each link between the central support and the post traversing the same path.
  • the guide rod/central beam connection eccentric to the main beam axis of rotation has a different path of rotation than the connection post/middle rail due to the different inclination of the guide rod/length of the guide rod to the post/posts.
  • the axis of rotation of the posts relative to the ground is oriented substantially transverse to the axis of the central support.
  • An arm connected to the central support can also be inserted between the central support and the uprights.
  • the system according to the invention consists preferably of several structures, which consist of posts, guide rods and a central carrier, which carry the photo ovo11aikmo du1 e.
  • At least two structures according to the invention are controlled by a single control mechanism, preferably by a displacement of the central support in opposite directions. In this way, the forces and / or moments on the
  • Control mechanism act balanced by the two opposing structures.
  • the eccentricity of the guide rod combined with the difference in inclination between the guide rod and the posts leads to a rototr ans1 ation movement of the central beam, which carries the
  • Ph otovo 1tai kpane e1e bears. Through this rotational movement, the Ph otovo 11ai kpane e1e follow the course of the sun.
  • the P hotovo 1ta ik panels can also be attached to the central support at an angle or with the help of an intermediate structure.
  • Figure la shows a perspective view of a photovoltaic system according to the invention in a first position
  • FIG. 1b shows a perspective view of a photovoltaic system according to the invention in a second position
  • Figure lc shows a perspective view of a photovoltaic system according to the invention in a third position
  • FIG. 2a shows a side view of a photovoltaic system according to the invention in a first position
  • FIG. 2b shows a side view of a photovoltaic system according to the invention in a second position
  • FIG. 2c shows a side view of a photovoltaic system according to the invention in a third position
  • FIG. 3a shows a front view of a photovoltaic system according to the invention in a first position
  • FIG. 3b shows a front view of a photovoltaic system according to the invention in a second position
  • FIG. 3c shows a front view of a photovoltaic system according to the invention in a third position
  • Figure 4a shows a side view of a photovoltaic system according to the invention with two structures in a first position
  • Figure 4b shows a side view of a photovoltaic system according to the invention with two structures in a second position
  • Figure 4c shows a side view of a photovoltaic system according to the invention with two structures in a third Position
  • Figurßa shows a front view of an inventive photovoltaic system with two structures in a first position
  • Figure 5b shows a front view of an inventive photovoltaic system with two structures in a second position
  • Figure 5c shows a front view of an er invention effleße n photovoltaic system with two structures in a third position
  • Figure 6a side view of an enlargement of the control mechanism
  • FIG. 6b side view of an enlarged view of the control mechanism
  • Figure 7a side view of an enlargement of the control mechanism in a further embodiment
  • Figure 7b front view of an enlargement of the control mechanism in a further embodiment
  • Figure 7c is a side view of a
  • FIG. 8a is a perspective view of an enlargement of the invention according to the invention.
  • FIG. 8b is a perspective view of an enlargement of the invention according to the invention.
  • Figures 1-3 show an erfindun gs according to e photovoltaic system with at least one structure for aligning
  • the structure 100 consists of at least three posts 101 which rotatably support a central support 103 .
  • the connection between the posts 101 and the central support 103 is preferably made by a universal joint.
  • This central carrier 103 carries the Pho tovo 1ta ikmo du1e 110.
  • the Pho tovo 1tai kpane e1e 110 can be connected to the central carrier 103 directly or indirectly.
  • the central support 103 is ement with a guide e1, preferably a leadership gss tang e 102 connected.
  • the guide rod 102 is connected to the central support 103 eccentrically to the axis of rotation 107 of the central support and is preferably connected to the central support 103 via an arm 106 .
  • the connection between the arm 106 and the guide rod 102 is preferably made via a universal joint.
  • the posts 101 are rotatable with respect to an axis 104 .
  • Axes 104 are substantially parallel to each other and allow rotation of post 101 from a first position to a second position.
  • the central support 103 in conjunction with the guide rod 102 performs a rotary movement. In this way, the photovo 1tai kpane e1e 110 supported by the structure 100 according to the invention rotate and can follow the sun's rays during the day and optimize the yield of the installation according to the invention.
  • the movement of the central beam 103 can be actuated by means of a control mechanism 120, 130, shown in Figures 4-7.
  • This control mechanism 120, 130 is preferably placed between two structures 100 supporting the Photo vo1t aikpa nee1 e 110 and is realized in such a way that by an opposite movement of the ones connected to the actuator 123, 133
  • Control rods 121, 122 the Ph otovo 1tai kpane e1e 110 of the respective structures 100 perform the same rotation. This arrangement is particularly advantageous since the loads generated by the controllers 121, 122, 131, 132 are opposite and therefore balance or partially balance. In this way, the control mechanism according to the invention is less stressed.
  • the posts 101 and/or the guide rod are used
  • the posts 101 can be formed from more than one element to create a more solid structure, e.g. by two rods 12 arranged in an inverted V-shape and mounted on two separate bases 12 tiltable with respect to the floor 200.
  • Figure 9 shows a V-shaped post which is connected to the ground at two points and from which one point/support base is shared with guide rod 101.
  • FIG. 10 shows another embodiment in which the post 102 and the guide rod 101 rest on the same base.
  • Figure 11 shows another embodiment in which the guide rod and post do not have a common base.
  • the guide rod 102 can be actuated directly and thereby bring about a movement of the structure 100 according to the invention.
  • the control rod 131, 132 can have teeth and engage in a gear wheel of the actuator 133, as shown in FIG. 7c.
  • the gear consists of a pair of pins which alternately mesh with the teeth of the rack.
  • a wheel is arranged on the opposite side of the rack and pinion, which is supported by an elastic element, e.g. B. a spring 134, is loaded, which generates a pressure on the rack 132 and thus always ensures contact between the take rst iften with and the ground between the teeth of the rack, which facilitates the control of the entire system he findun gsg emäße n .
  • FIGS. 8a and 8b show enlargements of the structure 100 according to the invention, in which the structure 100 is in two different operating positions, the position reached by displacement being shown in FIG. 8a in FIG. 8b in broken lines.
  • FIG. 8a the direction of movement of the central carrier 103 is indicated by the arrow 103a.
  • This movement can be initiated by the mechanisms described above or by other known means.
  • the movement results in a displacement/rotation of the panel 110 in direction 110a and it is also noted that the connection point is between the post 101 and the central beam 103 and the connection between the Fuhr un gsstan ge 102 and the central support 103 have a different course during the movement.

Landscapes

  • 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)
  • Aerials With Secondary Devices (AREA)

Abstract

L'invention concerne une installation photovoltaïque comprenant une structure pivotante (100) portant des panneaux photovoltaïques (110). Selon l'invention, la structure comprend une base (200) et ladite structure comprend au moins trois montants (101) qui portent de manière pivotante un support central (103) sur lequel sont disposés les panneaux photovoltaïques (110), et les liaisons pivotantes situées entre lesdits au moins trois montants (101) et le support central (103) sont orientées les unes par rapport aux autres et forment un axe de rotation (107) pour le support central (103) et lesdits au moins trois montants (101) sont montés pivotant par rapport à la base (200) respectivement le long d'un axe de rotation (104) sensiblement parallèle, et le support central (103) est ainsi mobile également le long de l'axe de rotation (107), et la structure (100) comprend au moins une tige de guidage (102), la tige de guidage (102) étant articulée au moyen d'une articulation tournante sur un bras (106) qui est relié de manière fixe au support central (103) portant les panneaux photovoltaïques, de sorte que la liaison rotative est espacée/excentrique par rapport à l'axe de rotation (107) du support central (103) et la tige de guidage (102) est reliée à la base (200) par l'intermédiaire d'une liaison rotative.
EP22720431.0A 2021-04-14 2022-04-04 Installation photovoltaïque à structure orientable Pending EP4324092A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102021000009347A IT202100009347A1 (it) 2021-04-14 2021-04-14 Un impianto fotovoltaico con una struttura orientabile
PCT/EP2022/058834 WO2022218732A1 (fr) 2021-04-14 2022-04-04 Installation photovoltaïque à structure orientable

Publications (1)

Publication Number Publication Date
EP4324092A1 true EP4324092A1 (fr) 2024-02-21

Family

ID=77021826

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22720431.0A Pending EP4324092A1 (fr) 2021-04-14 2022-04-04 Installation photovoltaïque à structure orientable

Country Status (4)

Country Link
EP (1) EP4324092A1 (fr)
CN (1) CN117480724A (fr)
IT (1) IT202100009347A1 (fr)
WO (1) WO2022218732A1 (fr)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4274712A (en) * 1979-01-24 1981-06-23 Sener, Ingenieria Y Sistemas, S.A. Solar radiation reflectors adapted to track the incident rays of the sun
ES2326121T3 (es) 2003-03-18 2009-10-01 Sunpower Corporation, Systems Dispositivo colector solar orientable.
US20080168981A1 (en) * 2006-08-25 2008-07-17 Coolearth Solar Rigging system for supporting and pointing solar concentrator arrays
WO2008090241A1 (fr) * 2007-01-23 2008-07-31 Energia Ercam, S.A. Suiveur solaire double axe
AU2008231262B2 (en) * 2007-03-23 2011-05-26 Sunpower Corporation Tracking solar collector assembly
US7647924B2 (en) * 2007-03-29 2010-01-19 Arizona Public Service Company System for supporting energy conversion modules
EP2297791A4 (fr) * 2008-05-16 2013-04-24 P4P Holdings Llc Procédés et systèmes de support de réseau solaire
MX2011007715A (es) 2009-01-22 2011-09-28 Inspired Surgical Technologies Inc Sistema de rastreo solar controlado, accionado por prealimentacion.
IT1398598B1 (it) * 2009-03-10 2013-03-08 Dermotricos Srl Sistema di captazione dell'energia solare
WO2012157824A1 (fr) * 2011-05-13 2012-11-22 Eom Boon Do Appareil de poursuite solaire de type à deux arbres trois colonnes utilisant une pièce de raccordement en croix et un cylindre direct
US9496822B2 (en) 2012-09-24 2016-11-15 Lockheed Martin Corporation Hurricane proof solar tracker
US11387771B2 (en) 2018-06-07 2022-07-12 Nextracker Llc Helical actuator system for solar tracker

Also Published As

Publication number Publication date
WO2022218732A1 (fr) 2022-10-20
CN117480724A (zh) 2024-01-30
IT202100009347A1 (it) 2022-10-14

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