WO2008046362A1 - Set of photovoltaic cells on panels with an adjustable position - Google Patents

Set of photovoltaic cells on panels with an adjustable position Download PDF

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Publication number
WO2008046362A1
WO2008046362A1 PCT/CZ2007/000079 CZ2007000079W WO2008046362A1 WO 2008046362 A1 WO2008046362 A1 WO 2008046362A1 CZ 2007000079 W CZ2007000079 W CZ 2007000079W WO 2008046362 A1 WO2008046362 A1 WO 2008046362A1
Authority
WO
WIPO (PCT)
Prior art keywords
photovoltaic cells
longitudinal beam
movable supporting
main longitudinal
supporting construction
Prior art date
Application number
PCT/CZ2007/000079
Other languages
French (fr)
Inventor
Michal Juza
Original Assignee
Michal Juza
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
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Application filed by Michal Juza filed Critical Michal Juza
Priority to SK50016-2009U priority Critical patent/SK5284Y1/en
Publication of WO2008046362A1 publication Critical patent/WO2008046362A1/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
    • H02S20/10—Supporting structures directly fixed to the ground
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/10—Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface
    • F24S25/12—Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface using posts in combination with upper profiles
    • 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
    • F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
    • F24S25/61—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for fixing to the ground or to building structures
    • F24S25/617—Elements driven into the ground, e.g. anchor-piles; Foundations for supporting elements; Connectors for connecting supporting structures to the ground or to flat horizontal surfaces
    • 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
    • F24S30/428—Arrangements for moving or orienting solar heat collector modules for rotary movement with only one rotation axis with inclined axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S50/00—Arrangements for controlling solar heat collectors
    • F24S50/20—Arrangements for controlling solar heat collectors for 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
    • 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
    • F24S2030/10—Special components
    • F24S2030/11—Driving means
    • F24S2030/115—Linear actuators, e.g. pneumatic cylinders
    • 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
    • F24S2030/133—Transmissions in the form of flexible elements, e.g. belts, chains, ropes
    • 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

Abstract

The present invention concerns to a set of photovoltaic cells on panels with an adjustable position, where the set comprises at least one movable supporting construction where panels equipped by photovoltaic cells are carried on, a foundation for carrying this movable supporting construction with photovoltaic cells, and a positioning driving device. The foundation (1) is consisting of two stands (11,12), having a different height, where each of them having on its top a supporting place (111,121), adjusted for a rocking coupling with a movable supporting construction (2), this movable supporting construction (2) being created as in longitudinal direction laying main longitudinal beam (21), to which supporting cross beams (23) are fixed in regular relative distances, corresponding the dimensions of the photovoltaic panels (22) with photovoltaic cells, where those supporting cross beams (23) are adjusted for carrying of said photovoltaic panels (22) with photovoltaic cells, and further, the ends of the main longitudinal beam (21) are adjusted for pivoting in bearing places (111,121) of the stands (11,12) of the foundation (1), where in the meantime, the positioning driving device is created as a linear electric drive (3) or hydraulic drive, coupled by a driving mechanical coupling (31) to a movable supporting construction (2) and connected by governing linkage (41) to a governing device (4).

Description

Set of photovoltaic cells on panels with an adjustable position
Technical Field
The invention is related to photovoltaic cells, especially to a set of those cells, arranged on a panel or panels, which panels are carried on a stand or stands, where tilting of those panels into an optimal position in relation to sun beams is solved.
Background Art
Now, photovoltaic cells and set of these cells carried on panels are well known. It is usual, too, to change a position of those panels during a daytime, for sun beams could be oriented in perpendicular direction in relation to a panel surface. Because of fully equipped panels being are rather heavy ones, when those panels are used not only for supplying small electronic device charger, for example, or for charging of small batteries, but when they should work as a high power source, for example for being connected to an electric power distribution system, there it is necessary to solve a problem of a construction of the stands. Those stands should be lightweight and also sufficiently load-resistant for carrying big panels and it should be sufficiently wind-resistant and snow-resistant, when carrying those large panels, too. Also it is needed that a tilting drive system should be of small dimensions and of a low input energy. Known constructions of this sort are usually formed as a frame, rocking on a large stand, where usually all frames having its own driving sets. Positioning of frames is usually governed by a photovoltaic cells sensor system. Those constructions, when being corresponding to all parameters here described, are mostly complicated, heavy, and their positioning drive devices are rather expensive. Especially complicated construction is usually used, concerning both the panel and the stand construction, when adjusting the angle of the panels according to both a day and a year relative movement of the sun in the relation to the earth is needed. The expenses for building construction last described are usually so high that a price of electric energy produced this way is even higher than administratively supported buying price for electricity produced in so called renewable energy sources plants.
Disclosure of the Invention
The drawbacks here described are solved in a substantive way by a set of photovoltaic cells on panels with an adjustable position, developed according to the invention, where the set comprises at least one movable supporting construction where panels equipped by photovoltaic cells are carried on, a foundation for carrying this movable supporting construction with photovoltaic cells, and a positioning driving device, and where the most substantive is that the foundation is consisting of two stands, having a different height, where each of them having on its top a supporting place, adjusted for a rocking coupling with a movable supporting construction, this movable supporting construction being created as in longitudinal direction laying main longitudinal beam, to which supporting cross beams are fixed in regular relative distances, corresponding the dimensions of the panels with photovoltaic cells, where those supporting cross beams are adjusted for carrying of said photovoltaic panels with photovoltaic cells, and further, the ends of the main longitudinal beam are adjusted for pivoting in bearing places of the stands of the foundation, where in the meantime, the positioning driving device is created as a linear electric drive or hydraulic drive, connected by a driving mechanical coupling to a movable supporting construction and connected by governing linkage to a governing device. It is advantageous when, in a pair of stands having different heights, a higher stand is created as a flat triangular construction having two vertexes by the earth and the third vertex in a certain height above the earth, and a lower stand is created as a triangular pyramid. Especially it is advantageous when the flat triangular construction of a higher stand is consisting of two long hollow profiles, which at their low ends are set in concrete in the earth and at their top ends are coupled with each other by a cross bar, where a top yoke, clip or support for supporting a higher end of a main longitudinal beam of a movable supporting construction. It is advantageous, too, when the lower stand is created as a tripod, consisting of shorter hollow profiles, welded together and set in concrete in the earth, where at their top ends these shorter hollow profiles are coupled to each other over an inclined platform, where a lower end of the main longitudinal beam of a movable supporting construction is coupled to. Further, it is advantageous, if in the movable supporting construction the main longitudinal beam is created as a hollow profile, which is at its ends equipped by lengthening rod, having smaller diameter than the main longitudinal beam where a bearing is set on, and the main longitudinal beam is coupled with supporting cross beams so that each cross beam having in its middle part a fixing yoke, which is clamped around the main longitudinal beam. It is possible to use another way of fixing or clamping there, but it is advantageous, from a point of view of a mounting action, to use a fixing yoke, where a simple clamping makes possible a simple preliminary preparing of joining parts and then a simple and quick mounting together. Further, it is advantageous if a linear electric drive or hydraulic drive is fixed by one its end-part to the lower part of the lower stand, or to a grip, which is set in concrete together with a lower stand, and is fixed by a second end-part to a driving arm, which is coupled with the main longitudinal beam of the movable supporting construction. It is especially advantageous if a governing device of a linear electric drive or hydraulic drive is created as a timer with an interval switch. It is optimal when the timer is adjusted for giving initiating steps after each 10 to 60 minutes and keeping switching on in duration of 1 to 60 seconds. It could be an advantage when all the set consists of at least two movable supporting constructions, fixed to the earth, in a linear row, each movable supporting construction being carried on a pair of stands of a different height, where each main longitudinal beam having two-armed coupling lever having coupling rods or wire ropes fixed on its end-parts and coupling those end-parts with end-parts of two-armed coupling lever or levers of another related movable supporting constructions. In this case all the set could be secured from resonance oscillating so that at least one of fixing points described bellow is equipped by elastic and dampening inlay, where those fixing points are couplings between supporting cross beams for carrying photovoltaic panels and a main longitudinal beam, between electric drive or hydraulic drive and related supporting cross beams and between driving arms and a main longitudinal beam. This coupling could be created in form of clamping those parts, using the inlay from elastic and vibration dampening material. Concerning a form of the hollow profiles of the main longitudinal beam and supporting cross beams, it is advantageous to use rectangular hollow profiles for it.
This way it is possible to create a set of photovoltaic cells, where this construction having high structure strength and stability, meaning a resistance against a load under accelerating panels when positioning them periodically, or against a load from wind, rain or snow. This construction is light-weight, too, and simple, so being of low costs. Further a transportation and mounting of a set of photovoltaic cells according to the invention, at a working place, is very simple, too. When using a set containing more photovoltaic panel units it is possible to drive its tilting or rocking by more driving units, but mostly one simple and cheap driving unit or positioning device only, for positioning all photovoltaic panels, is sufficient.
Brief Description of the Drawings
The invention will be in following described in detail, using drawings, too, where Fig.1 shows .a side view of one movable supporting construction, mounted on stands, Fig.2 shows, in detail, a transversal elevated section of a fixing part where the cross supporting beam is coupled with main longitudinal beam of a movable supporting construction, Fig.3 shows a construction as on Fig.1, seen here in a front view, and Fig.4 shows, here in schematic front view, a set, consisting of two units - movable supporting constructions, which are interconnected with each other and being held on its stands.
Mode for Carrying out the Invention
A construction according the invention is created, in a preferred embodiment here described, as follows. The set comprises two movable supporting constructions 2 where photovoltaic panels 22 equipped by photovoltaic cells are carried on both units, a foundations 1 for carrying this movable supporting constructions 2 with photovoltaic panels 22, and a positioning driving device. Each foundation 1 is consisting of two stands H, 12, having a different height, where each of the stands 11,12 having on its top a bearing place 111,121, adjusted for rocking coupling to a movable supporting construction 2, this movable supporting construction 2 being created as in longitudinal direction laying main longitudinal beam 21, to which supporting cross beams 23 are fixed in regular relative distances, corresponding to the dimensions of photovoltaic panels 22 with photovoltaic cells, where those supporting cross beams 23 are adjusted for carrying of said photovoltaic panels 22 with photovoltaic cells. The ends of the main longitudinal beam 21 are adjusted for pivoting in bearing places 111 , 121 of the stands 11,12 of each foundation 1_, The driving device is created here as a linear electric drive 3, connected by a driving mechanical coupling 3J. to a movable supporting construction 2 and connected by governing linkage 41 to a governing device 4. In each pair of stands 11,12 each of them having different heights, a higher stand 12 is created as a flat triangular construction having two vertexes by the earth and the third vertex in a certain height above the earth, and a lower stand H is created as a triangular pyramid. The flat triangular construction of a higher stand Vλ is consisting of two longer hollow profiles 1201. here tube-like profiles, which at their low ends are set in concrete in the earth and at their top ends are coupled with each other by a cross bar 1202. where a top yoke 1203. for carrying a higher end of a main longitudinal beam 21 of a movable supporting construction 2. The lower stand H is created as a tripod, consisting of shorter hollow profiles 1101. here tube-profiles are used, welded together and set in concrete in the earth, where at their top ends these profiles 1101 are coupled to each other over an inclined platform 1102. where a lower end of the main longitudinal beam 21 of a movable supporting construction 2 is coupled to, over a lower yoke 1103. In the movable supporting construction 2 there the main longitudinal beam 21 is created as a hollow tube-profile, which is at its ends equipped by lengthening rod, having smaller diameter than the main longitudinal beam 21 where a bearing is set on. The main longitudinal beam 21 is coupled with supporting cross beams 23, the main longitudinal beams 21 and supporting cross beams 23 having a shape of flat rectangular hollow profiles, and each supporting cross beam 23 having in its middle part a fixing yoke 231. which is clamped around the main longitudinal beam 2J.. A linear electric drive 3 is fixed by one its end-part to the lower part of the lower stand 11. here it is fixed to a grip, which is welded to the tube of a lower stand H, set in concrete, and the same electric drive 3 is fixed by its second end-part to a driving arm, which is coupled with the main longitudinal beam 21 of the movable supporting construction 2. A part of supporting cross beam 23 of movable supporting construction 2 is used here as the driving arm. Governing device 4 of a linear electric drive 3 is created here as a timer with an interval switch. The timer is adjusted here for initiating governing steps after each 30 minutes and keeping switching on in duration of 20 seconds. The set of photovoltaic cells consists here of two movable supporting constructions 2, fixed to the earth, in a linear row, each movable supporting construction 2 being carried on a pair of stands 11,12 of a different height, where each main longitudinal beam 21 having two-armed coupling lever 211 having wire ropes 212 fixed on its end-parts and coupling those end-parts with end-parts of two-armed coupling lever or levers 21J. of another related movable supporting constructions 2. In this case all the set is secured from resonance oscillating so that fixing points described bellow are equipped by elastic and dampening inlay. Those fixing points are created here as couplings between supporting cross beams 23 for carrying photovoltaic panels 22 and a main longitudinal beam 21, between electric drive 3 and related driving arm and between coupling two-armed levers 2H on the main longitudinal beam 21 This coupling is created here in form of clamping those parts, using the inlay from elastic and vibration dampening material. For example, carrying cross beams 23 are fixed to main longitudinal beam 21, using a fixing clamp 231 with an elastic polymer inlay.
The set according to the invention works as follows. When the set is completely installed and adjusted, electric energy is generated under sunshine conditions. The movable supporting construction 2 is in proper way positioned in relation to the sun and an angle between the main longitudinal beam 21 and a surface of the earth is 30°, what is an optimal position in places around geographic position of 50 degrees latitude north, by a sun-powered appliance having non- adjustable main longitudinal beam 21, carrying photovoltaic panels 22 with photovoltaic cells. During all the daytime the movable supporting construction 2, which is carried in movable, or rocking way on stands 11,12, changes its side- inclination in relation to a sun position. This position adjusting is carried on every 30 minutes, when each moving step lasts for 20 second. So when position changing action is worth doing here during about 8 hours a day, a number of steps being here 16, where after the last 30 minutes movement interval is finished, there a reverse movement step is provided thereafter, for this panel, or here for a set of panels, being ready in a next day morning-sun starting position. Industrial applicability
The device according to the invention is applicable as a set of panels with photovoltaic cells, which are available in a broad scope of types on market, but using of the same construction for carrying panels for heating water or air, for both home and industrial use, is possible, too.

Claims

C L A I M S
1. A set of photovoltaic cells on panels with an adjustable position, where the set comprises at least one movable supporting construction where panels equipped by photovoltaic cells are carried on, a foundation for carrying this movable supporting construction with photovoltaic cells, and a positioning driving device, c h a r a c te r i z e d i n that the foundation (1) is consisting of two stands (11,12), having a different height, where each of them having on its top a supporting place (111,121), adjusted for a rocking coupling with a movable supporting construction (2), this movable supporting construction (2) being created as in longitudinal direction laying main longitudinal beam (21), to which supporting cross beams (23) are fixed in regular relative distances, corresponding the dimensions of the photovoltaic panels (22) with photovoltaic cells, where those supporting cross beams (23) are adjusted for carrying of said photovoltaic panels (22) with photovoltaic cells, and further, the ends of the main longitudinal beam (21) are adjusted for pivoting in bearing places (111,121) of the stands (11,12) of the foundation (1), where in the meantime, the positioning driving device is created as a linear electric drive (3) or hydraulic drive, coupled by a driving mechanical coupling (31) to a movable supporting construction (2) and connected by governing linkage (41) to a governing device (4).
2. A set of photovoltaic cells, according to claim 1, c h a r a c t e r i z e d i n , that in a pair of stands (11,12) having different heights, a higher stand (12) is created as a flat triangular construction having two vertexes by the earth and the third vertex in a certain height above the earth, and a lower stand (11) is created as a triangular pyramid.
3. A set of photovoltaic cells, according to claim 1 and 2, c h a r a c t e r i z e d i n , that the flat triangular construction of a higher stand (12) is consisting of two long hollow profiles (1201), which at their low ends are set in concrete in the earth and at their top ends are coupled with each other by a cross bar (1202), where a top yoke (1203), clip or support for supporting a higher end of a main longitudinal beam (21) of a movable supporting construction (2) is fixed.
4. A set of photovoltaic cells, according to claims 1 to3, cha racte rized i n that lower stand (11) is created as a tripod, consisting of shorter hollow profiles (1101), welded together and set in concrete in the earth, where at their top ends these shorter hollow profiles (1101) are coupled to each other over an inclined platform (1102), where a lower end of the main longitudinal beam (21) of a movable supporting construction (2) is coupled to.
5. A set of photovoltaic cells, according to claims 1 to4, cha racte rized i n that in the movable supporting construction (2) the main longitudinal beam (21) is created as a hollow profile, which is at its ends equipped by lengthening rod, having smaller diameter than the main longitudinal beam (21) where a bearing is set on, and the main longitudinal beam (21) is coupled with supporting cross beams (23) so that each cross beam (23) having in its middle part a fixing yoke (231), which is clamped around the main longitudinal beam (21).
6. A set of photovoltaic cells, according to claims 1 to5, cha racte rized i n , that a linear electric drive (3) or hydraulic drive is fixed by one its end-part to the lower part of the lower stand (11), or to a grip, which is set in concrete together with a lower stand (11), and is fixed by a second end-part to a driving arm, which is coupled with the main longitudinal beam (21) of the movable supporting construction (2).
7. A set of photovoltaic cells, according to claims 1 to6, cha racte rized i n , that a governing device of a linear electric drive (3) or hydraulic drive is created as a timer with an interval switch.
8. A set of photovoltaic cells, according to claims 1 to7, cha racte rized i n , that timer is adjusted for giving initiating steps after each 10 to 60 minutes and keeping switching on in duration of 1 to 60 seconds.
9. A set of photovoltaic cells, according to claims 1 to8, cha racte rized i n , that all the set consists of at least two movable supporting constructions (2), fixed to the earth, in a linear row, each movable supporting construction (2) being carried on a pair of stands (11,12) of a different height, where each main longitudinal beam (21) having two-armed coupling lever (211) having coupling rods or wire ropes (212) fixed on its end-parts and coupling those end-parts with end-parts of two-armed coupling lever or levers (211) of another related movable supporting constructions (2).
10. A set of photovoltaic cells, according to claims 1 to.9, cha racterized i n , that at least one of fixing points described bellow is equipped by elastic and dampening inlay, where those fixing points are couplings between supporting cross beams (23) for carrying photovoltaic panels (22) and a main longitudinal beam (21), between electric drive (3) or hydraulic drive and related supporting cross beams (23) and between driving arms and a main longitudinal beam (21).
11. A set of photovoltaic cells, according to claim 10, characterized in, that this coupling is created in form of clamping those parts, using the inlay from elastic and vibration dampening material.
12. A set of photovoltaic cells, according to claims 1 to 11, characterized i n , that the hollow profiles of the main longitudinal beam (21) and supporting cross beams (23), are rectangular hollow profiles.
PCT/CZ2007/000079 2006-08-16 2007-08-15 Set of photovoltaic cells on panels with an adjustable position WO2008046362A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SK50016-2009U SK5284Y1 (en) 2006-08-16 2007-08-15 Set of photovoltaic cells on panels with an adjustable position

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CZ200618005U CZ16891U1 (en) 2006-08-16 2006-08-16 System of photovoltaic cells on panels with positioning feature
CZPUV2006-18005 2006-08-16

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WO2008046362A1 true WO2008046362A1 (en) 2008-04-24

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SK (1) SK5284Y1 (en)
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WO2009074621A2 (en) * 2007-12-11 2009-06-18 Lasen Development Llc Solar-panel unit
ITBZ20090039A1 (en) * 2009-09-09 2011-03-10 Hans Guenter Czaloun PHOTOVOLTAIC PLANT FORMED BY A PLURALITY OF PHOTOVOLTAIC MODULES.
WO2013056686A1 (en) * 2011-10-17 2013-04-25 A+F Gmbh Solar collector frame
EP2956971A4 (en) * 2013-05-14 2016-01-06 Byd Co Ltd Solar cell support assembly
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FR2446931A1 (en) * 1979-01-22 1980-08-14 Bombardier Jean Pierre Control cylinder for solar energy collector - operated by temperature variable volume insert to move solar panel for maximum absorption
FR2461331A1 (en) * 1979-07-10 1981-01-30 Soterem Sa Axial solar panel tripod mount - has panels fixed to rotating leg and dis-assembles into portion package
WO2003010471A1 (en) * 2001-07-25 2003-02-06 Jong Geun Park Solar tracking system and apparatus for warming water using thereof
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WO2004083741A2 (en) * 2003-03-18 2004-09-30 Powerlight Corporation Tracking solar collector assembly

Cited By (10)

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WO2009074621A2 (en) * 2007-12-11 2009-06-18 Lasen Development Llc Solar-panel unit
WO2009074621A3 (en) * 2007-12-11 2010-05-27 Lasen Development Llc Solar-panel unit
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SK5284Y1 (en) 2009-11-05
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