AU2008363098A1 - Solar panels - Google Patents

Solar panels Download PDF

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Publication number
AU2008363098A1
AU2008363098A1 AU2008363098A AU2008363098A AU2008363098A1 AU 2008363098 A1 AU2008363098 A1 AU 2008363098A1 AU 2008363098 A AU2008363098 A AU 2008363098A AU 2008363098 A AU2008363098 A AU 2008363098A AU 2008363098 A1 AU2008363098 A1 AU 2008363098A1
Authority
AU
Australia
Prior art keywords
solar panel
panel system
guidance device
mounting means
movement
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.)
Abandoned
Application number
AU2008363098A
Inventor
Kuldip Singh Virk
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 AU2008363098A1 publication Critical patent/AU2008363098A1/en
Abandoned legal-status Critical Current

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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
    • H01L31/054—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
    • F24S20/00—Solar heat collectors specially adapted for particular uses or environments
    • F24S20/60—Solar heat collectors integrated in fixed constructions, e.g. in buildings
    • F24S20/67—Solar heat collectors integrated in fixed constructions, e.g. in buildings in the form of roof constructions
    • 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
    • F24S23/10—Prisms
    • 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
    • F24S23/79—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with spaced and opposed interacting reflective 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
    • F24S30/45—Arrangements for moving or orienting solar heat collector modules for rotary movement with two rotation axes
    • 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
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/60—Planning or developing urban green infrastructure
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal
    • 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
    • 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
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/52—PV systems with concentrators

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Photovoltaic Devices (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Optical Elements Other Than Lenses (AREA)

Description

WO 2010/043835 PCT/GB2008/003516 1 SOLAR PANELS DESCRIPTION 5 Technical Field This invention relates to solar panels. Background Two principle kinds of solar panel are known: electrical photo-voltaic converters 10 and piped fluid heat exchangers. The present application is considered applicable to both kinds of solar panel, but especially to the electrical photo-voltaic converter solar panel. It is known to mount solar panels on the roof of a building. Examples include the 15 arrangements and/or installations described in US-4601282, US-4602613 and US 5851309. In general roof-mounted solar panels are fixed in position and this is largely essential for solar panels of the kind that function as piped fluid heat exchangers. Systems have been proposed (e.g. GB-2374139 and WO-02/061849) that move a solar panel of the electrical photo-voltaic kind from one side of the roof 20 to another to maximise the solar panel's sunlight exposure as the earth's rotation moves the building-supported solar panel. Such systems are considered complex and likely to be expensive. Accordingly it is considered desirable to provide a solar panel system that can overcome or at least minimise these and/or other disadvantages of the prior art. 25 Summary of the Invention According to one aspect of the present invention there is provided a solar panel system comprising a solar panel to be fixedly located such as to receive sunlight from a first direction, and a light guidance device having an inlet for receiving 30 sunlight and an outlet for projecting light said light guidance device having an operative or in use condition in which it is positioned with its inlet directed in a WO 2010/043835 PCT/GB2008/003516 2 second direction, preferably opposite said first direction, and with its outlet directed to project light therefrom towards the solar panel. It is envisaged that with the installation of such a system the light guidance device 5 can be arranged to "channel" the sunlight towards the solar panel when the latter is not directly facing the sun. Preferably said light guidance device has optical characteristics substantially similar to those of a periscope. Advantageously the light guidance device includes one or 10 more reflective surfaces. The latter may be provided by one or more mirrors planar, concave or convex - or by one or more prisms to provide a total internal reflection effect from the or each of said reflective surfaces. Powered pivoting means may be provided to tilt the or at least one of the said mirror(s) about at least one axis. Where powered pivoting about two or more axes is permitted, this may be 15 about axes that are orthogonal to one another. In one embodiment, means mounting the light guidance device render it movable from said in use or operative condition to an out-of-use or inoperative condition. 20 The mounting means may permit lateral movement of the device from an operative or in use position in which it is substantially overlying the solar panel to an inoperative position in which it is generally alongside the solar panel. In one example of such an arrangement the mounting means permits pivotal movement of the device with respect to the panel whilst the device and panel remain in 25 substantially equidistant parallel planes. Alternatively or additionally, the mounting means may permit a collapsing movement of the device from an operative position in which it is spaced in said first direction from the solar panel to an inoperative position in which that spacing is 30 reduced (thereby to minimise wind or storm damage).
WO 2010/043835 PCT/GB2008/003516 3 The mounting means employed may incorporate actuators to effect said movement. Said actuators may be piston-cylinder arrangements driven electrically and/or pneumatically or hydraulically. Optionally movement of said actuators may be microprocessor controlled. 5 Brief Description of the Drawings By way of example embodiments of this invention will now be described with reference to the accompanying drawings of which: Figure 1 is a sketch of a first embodiment of this invention installed on a roof; 10 Figure 2 is a sketch showing operative elements of the installed of Fig 1; Figure 3 is a sketch similar to Fig 2 showing the mobility of a reflective surface of the light guidance device of Figs 1 and 2; Figure 4 is a sketch similar to Fig 1 showing one form of mobility (of part) of the light guidance device of Figs 1 and 2; 15 Figures 5 and 6 are sketches similar to Fig 1 showing another form of mobility of the light guidance device of Figs 1 and 2; and Figures 7 and 8 are sketches similar to Fig 1 showing yet another form of mobility of the light guidance device of Figs 1 and 2; 20 Detailed Description of Example(s) of the Invention The solar panel system 10 of Fig 1 comprises a solar panel 12 fixedly located on a pitched roof 14 such as to receive sunlight from a first direction A. The installed system also includes a light guidance device 15 having an inlet 16 for receiving sunlight and an outlet 18 for projecting light. The light guidance device 15 is 25 positioned in use with its inlet 16 directed towards a second direction B, preferably opposite said first direction A, and with its outlet 18 directed to project light therefrom towards the solar panel 12. As illustrated in Fig 2, the light guidance device 15 has optical characteristics substantially similar to those of a periscope and comprises a plurality of mirrors 29 to receive light from direction B (i.e. from the 30 side of the pitched roof that is not provided with the solar panel 12) and impinging WO 2010/043835 PCT/GB2008/003516 4 onto inlet 16, the light guidance device 15 serving to redirect the light received through inlet 16 and redirect it through outlet 18 and towards the solar panel 12. In an optional arrangement each of the mirrors or other reflective surfaces 29 can have a small motor or other device which can change the angle of the mirrors or 5 other reflective surfaces 29, to change the direction of the light received and reflected therefrom, thus making them more efficient. These motors may be controlled by one or more sensors to determine the direction of the sun and therefore the best angles to point the mirrors or other reflective surfaces 29. There may be any number of mirrors or other reflective surfaces 29 and at different angles 10 to those shown. The motors serve as powered pivoting means may and serve to tilt the or at least one of the said mirror(s) about at least one axis. Optionally, where powered pivoting about two or more axes is permitted, this may be about axes that are orthogonal to one another. 15 If appropriate in certain special conditions, e.g. when the sun is behind clouds or it is winter (and so the amount of light and heat shining is less than normal) the surfaces 29 can be moved to redirect light from the same side of roof or panel 12, i.e. from the same direction A (see Fig 3). 20 Preferably the light guidance device 15 is movable from its operative, in use condition to an inoperative out-of-use condition. This may be achieved by the provision of mounting means that permit lateral movement of the device 15 from an in-use position in which it is substantially overlying the solar panel (Fig 8) to an out-of-use position in which it is generally alongside the solar panel (Fig 7). 25 Conveniently this is achieved by arranging for the mounting means to permit pivotal movement of the device 15 about an axis 30 at right-angles to the plane of the solar panel 12. Alternatively the mounting means may permit pivotal movement of the device 15 30 about an axis 30 in a plane parallel to the plane of the solar panel 12. Such an up and down motion of the device 15 between respectively operative and inoperative WO 2010/043835 PCT/GB2008/003516 5 conditions for the solar panel may be suitable where the solar panel is fixed to the side of a building rather than the roof In still another alternative, and as intimated by Figs 4-6, the mounting means for 5 the device 15 may permit a collapsing movement of the device from an operative position in which its roof-adjacent plane is spaced in said first direction from the plane of the solar panel 15, to an inoperative or out-of-use position in which that spacing is less (thereby to minimise wind or storm damage). If appropriate, the sides of the device 15 may of flexible material to facilitate lowering and raising of 10 the device 15. The mounting means employed may incorporate actuators 31 (Fig 4) or 32 (Figs 5 and 6) to effect said movement. In the embodiment of Fig 4 said actuators 31 are piston-cylinder arrangements driven electrically and/or pneumatically or 15 hydraulically. Optionally the movement of said actuators may be microprocessor controlled. Alternatively, in the embodiment of Figs 5 and 6, the actuators 32 are motor-controlled rotational elements operative in a parallelogram fashion from the erect, operative position of Fig 5 to the collapsed inoperative position of Fig 6. 20 In a modified arrangement, the positionally fixed solar panel solar panel and the guidance device are mounted on the side of a building (rather than the roof). In yet another modified arrangement, the positionally fixed solar panel and the guidance device are mounted on the ground (e.g. a garden). 25 Optionally, in any of the above-described arrangements according to the invention, filtering means may be provided to reduce the light or heat energy transmitted by the guidance device to the solar panel. Preferably such filtering means are adjustable to provide variable degrees of filtering. 30 WO 2010/043835 PCT/GB2008/003516 6 It will be appreciated that although the illustrated arrangements embodying the invention utilise planar mirrors as reflective surfaces, those reflective surfaces may alternatively be provided by one or more concave or convex mirrors or by one or more prisms to provide a total internal reflection effect from the or each of said 5 reflective surfaces. Other modifications and embodiments of the invention, which will be readily apparent to those skilled in this art, are to be deemed within the ambit and scope of the invention, and the particular embodiment(s) hereinbefore described may be 10 varied in construction and detail, e.g. interchanging (where appropriate or desired) different features of each, without departing from the scope of the patent monopoly hereby sought. 15

Claims (18)

1. A solar panel system comprising a solar panel to be fixedly located such as to receive sunlight from a first direction, and a light guidance device having an inlet 5 for receiving sunlight and an outlet for projecting light, said light guidance device including one or more reflective surfaces and powered pivoting means to tilt the or at least one of the reflective surface(s) about two or more axis that are orthogonal to one another, said light guidance device having an operative or in use condition in which it is positioned with its inlet directed in a second direction, and with its outlet 10 directed to project light therefrom towards the solar panel.
2. A solar panel system according to Claim 1 wherein said second direction is substantially opposite said first direction. 15
3. A solar panel system according to Claim 1 or Claim 2, wherein said light guidance device has optical characteristics substantially similar to those of a periscope.
4. A solar panel system according to any preceding Claim, wherein the 20 reflective surfaces are provided by one or more mirrors.
5. A solar panel system according to Claim 4, wherein the mirrors are planar, concave or convex 25
6. A solar panel system according to any one of Claims 1 to 3, wherein the reflective surfaces are provided by one or more prisms to provide a total internal reflection effect from the or each of said reflective surfaces.
7. A solar panel system according to any preceding Claim, wherein means 30 mounting the light guidance device render it movable from said in use or operative condition to an out-of-use or inoperative condition. WO 2010/043835 PCT/GB2008/003516 8
8. A solar panel system according to Claim 7, wherein said mounting means permits lateral movement of the device from an operative or in use position in which the device is substantially overlying the solar panel to an inoperative position 5 in which it is generally alongside the solar panel.
9. A solar panel system according to Claim 7, wherein said mounting means permits pivotal movement of the device with respect to the panel whilst the device and panel remain in substantially equidistant parallel planes. 10
10. A solar panel system according to Claim 7, wherein said mounting means permits pivotal movement of the device about an axis in a plane parallel to the plane of the solar panel. 15
11. A solar panel system according to any one of Claims 7 to 10, wherein the mounting means permits a collapsing movement of the device from an operative position in which it is spaced in said first direction from the solar panel to an inoperative position in which that spacing is reduced 20
12. A solar panel system according to Claim 11 wherein the mounting means incorporates actuators to effect said movement.
13. A solar panel system according to Claim 12 wherein said actuators are piston-cylinder arrangements driven electrically and/or pneumatically or 25 hydraulically.
14. A solar panel system according to Claim 13 wherein movement of said actuators is microprocessor controlled. 30
15. A solar panel system according to any one of -the preceding claims wherein the solar panel is fixedly located on a building surface. WO 2010/043835 PCT/GB2008/003516 9
16. A solar panel system according to Claim 15, wherein the said surface is a wall of a building. 5
17. A solar panel system according to Claim 15, wherein the said surface is one side of a pitched roof.
18. A solar panel system substantially as herein described with reference to and/or as illustrated in the individual Figures of the accompanying drawings. 10
AU2008363098A 2008-10-15 2008-10-15 Solar panels Abandoned AU2008363098A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/GB2008/003516 WO2010043835A1 (en) 2008-10-15 2008-10-15 Solar panels

Publications (1)

Publication Number Publication Date
AU2008363098A1 true AU2008363098A1 (en) 2010-04-22

Family

ID=41667574

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2008363098A Abandoned AU2008363098A1 (en) 2008-10-15 2008-10-15 Solar panels

Country Status (8)

Country Link
US (1) US20110197877A1 (en)
EP (1) EP2347191A1 (en)
JP (1) JP2012506139A (en)
CN (1) CN102187161A (en)
AU (1) AU2008363098A1 (en)
CA (1) CA2740349A1 (en)
IL (1) IL212247A0 (en)
WO (1) WO2010043835A1 (en)

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CN106405991A (en) * 2016-11-29 2017-02-15 深圳市世尊科技有限公司 Periscopic camera shooting module and reflector apparatus used for the periscopic camera shooting module
KR101941436B1 (en) * 2017-07-10 2019-01-23 햇살과바람 협동조합 Solar power apparatus for slope

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Also Published As

Publication number Publication date
US20110197877A1 (en) 2011-08-18
EP2347191A1 (en) 2011-07-27
WO2010043835A1 (en) 2010-04-22
JP2012506139A (en) 2012-03-08
CN102187161A (en) 2011-09-14
IL212247A0 (en) 2011-06-30
CA2740349A1 (en) 2010-04-22

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