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US20120067336A1 - Device for Supporting a Sun-Tracking Unit of a Photovoltaic Module - Google Patents

Device for Supporting a Sun-Tracking Unit of a Photovoltaic Module Download PDF

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Publication number
US20120067336A1
US20120067336A1 US12/887,631 US88763110A US2012067336A1 US 20120067336 A1 US20120067336 A1 US 20120067336A1 US 88763110 A US88763110 A US 88763110A US 2012067336 A1 US2012067336 A1 US 2012067336A1
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US
United States
Prior art keywords
tubes
transverse
adjustable device
supporting element
supporting
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
US12/887,631
Inventor
Wen-Fu Chen
Hong-Yih Yeh
Cheng-Dar Lee
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.)
Institute of Nuclear Energy Research
Original Assignee
Institute of Nuclear Energy Research
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 Institute of Nuclear Energy Research filed Critical Institute of Nuclear Energy Research
Priority to US12/887,631 priority Critical patent/US20120067336A1/en
Assigned to ATOMIC ENERGY COUNCIL-INSTITUTE OF NUCLEAR ENERGY RESEARCH reassignment ATOMIC ENERGY COUNCIL-INSTITUTE OF NUCLEAR ENERGY RESEARCH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHEN, WEN-FU, LEE, CHENG-DAR, Yeh, Hong-Yih
Publication of US20120067336A1 publication Critical patent/US20120067336A1/en
Abandoned legal-status Critical Current

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Classifications

    • 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
    • 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
    • F24S2050/25—Calibration means; Methods for initial positioning of solar concentrators or solar receivers
    • 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
    • F24S25/70—Arrangement of stationary mountings or supports for solar heat collector modules with means for adjusting the final position or orientation of supporting elements in relation to each other or to a mounting surface; with means for compensating mounting tolerances
    • 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

Definitions

  • the present disclosure relates to a photovoltaic module and, more particularly, to an adjustable device for supporting a sun-tracking unit of a photovoltaic module so that the sun-tracking unit and an energy-converting unit of the photovoltaic module are flush with each other.
  • a photovoltaic module generally includes an energy-converting unit and a sun-tracking unit.
  • the sun-tracking unit aligns the energy-converting unit to the sun.
  • the energy-converting unit includes an array of solar cells.
  • the sun-tracking unit includes at least one photo sensor provided on a circuit board supported on a supporting device.
  • the supporting device includes a board connected to a framework.
  • the framework is connected to a portion of the energy-converting unit.
  • the circuit board is supported on the board.
  • the array of solar cells must be flush with the photo sensor. With the array of solar cells aligned to the sun and located flush with the photo sensor, the photovoltaic module converts solar energy into electricity at an optimal efficiency.
  • the second portion of the supporting unit is in the form of a solid board so that only side thereof can be used to support photo sensors.
  • the present disclosure is therefore intended to obviate or at least alleviate the problems encountered in prior art.
  • the adjustable device for supporting a sun-tracking unit includes a framework and first and second supporting elements.
  • the framework includes lower and upper portions.
  • the lower portion of the framework includes two transverse long tubes and a longitudinal long tube for interconnecting the transverse long tubes.
  • the upper portion of the framework includes two vertical tubes each extending from a related one of the transverse long tubes, two transverse short tubes each extending from a related one of the vertical tubes, and a longitudinal short tube for interconnecting the transverse short tubes.
  • the first supporting element is connected to the transverse short tubes.
  • the second supporting element is adjustably connected to the first supporting element.
  • the second supporting element includes an annular configuration.
  • FIG. 1 is a perspective view of an adjustable device for supporting a sun-tracking unit of a photovoltaic module according to the preferred embodiment of the present disclosure
  • FIG. 2 is a partial view of the adjustable device shown in FIG. 1 ;
  • FIG. 3 is another partial view of the adjustable device shown in FIG. 1 ;
  • FIG. 4 is another perspective view of the portion of the adjustable device shown in FIG. 3 .
  • FIG. 1 shows an adjustable device 100 for supporting a sun-tracking unit of a photovoltaic module according to the preferred embodiment of the present disclosure.
  • the photovoltaic module further includes an energy-converting unit including an array of solar cells.
  • the sun-tracking unit includes a circuit board and at least one photo sensor provided on each of two opposite sides of the circuit board.
  • the photo sensors are photoelectric diodes for example. Such energy-converting unit and sun-tracking unit will not be further described in detail for not being the spirit of the present disclosure.
  • the adjustable device 100 includes a framework 1 , a first supporting element 2 and a second supporting element 3 .
  • FIG. 2 shows framework 1 includes a lower portion 11 and an upper portion 12 .
  • the lower portion 11 of the framework 1 includes two transverse long square tubes 111 and a longitudinal long square tube 112 for interconnecting the transverse long square tubes 111 .
  • the transverse long square tubes 111 and the longitudinal long square tube 112 form a U-shaped or H-shaped structure.
  • the transverse long square tubes 111 are connected to another framework for supporting the energy-converting unit.
  • the upper portion 12 of the framework 1 includes two transverse short square tubes 121 , a longitudinal short square tube 122 for interconnecting the transverse short square tubes 121 , and two vertical square tubes 123 each extending to a related one of the transverse short square tubes 121 from a related one of the transverse long square tubes 111 .
  • the transverse short square tubes 121 and the longitudinal short square tube 122 form a U-shaped structure.
  • the longitudinal short square tube 122 and the vertical square tubes 123 form another U-shaped structure.
  • the square tubes 111 , 112 , 121 , 122 and 123 are made of metal and connected to one another by welding for example.
  • FIGS. 3 and 4 show the first supporting element 2 is in the form of a board.
  • the first supporting element 2 includes a primary rectangular portion 21 and a secondary rectangular portion 22 extending from the primary rectangular portion 21 .
  • the first supporting element 2 is made a T-shaped element.
  • the primary rectangular portion 21 of the first supporting element 2 includes four apertures 211 each defined in a corner thereof.
  • three apertures 24 are defined in the primary rectangular portion 21 of the first supporting element 2 .
  • the secondary rectangular portion 22 of the first supporting element 2 includes an aperture defined therein near a free end thereof.
  • another aperture 24 is defined in the secondary rectangular portion 22 of the first supporting element 2 .
  • the second supporting element 3 includes an annular configuration.
  • the second supporting element 3 includes four margins 31 connected to one another at the right angle and four fins 32 each extending from a related one of the margins 31 at the right angle.
  • the margins 31 form a square structure in which a square opening is defined.
  • Each of the fins 32 includes a screw hole 321 defined in a section thereof located outside the square structure and an aperture 322 defined in another section thereof located within the square structure.
  • a screw 6 is inserted through each of the screw holes 321 and engaged with a nut 7 .
  • Each of the screw 6 is inserted through a spring 4 .
  • Each of the screws 6 is inserted through a related one of the apertures 24 and engaged with a butterfly nut 5 .
  • the springs 4 are compressed between the first supporting element 2 and the second supporting element 3 . With the springs 4 , the butterfly nuts 5 and the screws 6 , the second supporting element 3 can be positioned relative to the first supporting element 2 efficiently.
  • the adjustable device 100 is made.
  • the energy-converting unit i.e., the circuit board of the sun-tracking unit is supported on the second supporting element 3 .
  • the photo sensor on one of the opposite sides of the circuit board of the sun-tracking unit is used to track the sun at a time, depending on the position of the sun-tracking unit relative to the sun.
  • the operation of the sun-tracking unit can begin again after it is interrupted by clouds for a long period of time and the sun moves to a substantially opposite orientation during the long period of time.
  • the springs 4 With the springs 4 , the butterfly nuts 5 and the screws 6 , the second supporting element 3 can be positioned relative to the first supporting element 2 efficiently. That is, the sun-tracking unit can be positioned relative to energy-converting unit efficiently.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (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

An adjustable device for supporting a sun-tracking unit includes a framework and first and second supporting elements. The framework includes lower and upper portions. The lower portion of the framework includes two transverse long tubes and a longitudinal long tube for interconnecting the transverse long tubes. The upper portion of the framework includes two vertical tubes each extending from a related one of the transverse long tubes, two transverse short tubes each extending from a related one of the vertical tubes, and a longitudinal short tube for interconnecting the transverse short tubes. The first supporting element is connected to the transverse short tubes. The second supporting element is adjustably connected to the first supporting element.

Description

    TECHNICAL FIELD
  • The present disclosure relates to a photovoltaic module and, more particularly, to an adjustable device for supporting a sun-tracking unit of a photovoltaic module so that the sun-tracking unit and an energy-converting unit of the photovoltaic module are flush with each other.
    • RELATED PRIOR ART
  • A photovoltaic module generally includes an energy-converting unit and a sun-tracking unit. The sun-tracking unit aligns the energy-converting unit to the sun. The energy-converting unit includes an array of solar cells. The sun-tracking unit includes at least one photo sensor provided on a circuit board supported on a supporting device. The supporting device includes a board connected to a framework. The framework is connected to a portion of the energy-converting unit. The circuit board is supported on the board. The array of solar cells must be flush with the photo sensor. With the array of solar cells aligned to the sun and located flush with the photo sensor, the photovoltaic module converts solar energy into electricity at an optimal efficiency.
  • It is however troublesome to position the photo sensor relative to the array of solar cells to make them flush. Every time a photo sensor is replaced with a new one, an operator has to experience, again, this trouble of positioning the new photo sensor. This is inconvenient, and wastes human resource, increases the cost. Furthermore, the second portion of the supporting unit is in the form of a solid board so that only side thereof can be used to support photo sensors.
  • The present disclosure is therefore intended to obviate or at least alleviate the problems encountered in prior art.
    • SUMMARY OF PRESENT DISCLOSURE
  • It is an objective of the present disclosure to provide an adjustable device for supporting a sun-tracking unit of a photovoltaic module so that the sun-tracking unit is flush with an energy-converting unit of the photovoltaic module.
  • It is another objective of the present disclosure to provide an efficient device for supporting a sun-tracking unit of a photovoltaic module.
  • It is another objective of the present disclosure to provide an adjustable device for supporting a sun-tracking unit of a photovoltaic module that includes two opposite photo sensors.
  • To achieve the foregoing objectives, the adjustable device for supporting a sun-tracking unit includes a framework and first and second supporting elements. The framework includes lower and upper portions. The lower portion of the framework includes two transverse long tubes and a longitudinal long tube for interconnecting the transverse long tubes. The upper portion of the framework includes two vertical tubes each extending from a related one of the transverse long tubes, two transverse short tubes each extending from a related one of the vertical tubes, and a longitudinal short tube for interconnecting the transverse short tubes. The first supporting element is connected to the transverse short tubes. The second supporting element is adjustably connected to the first supporting element. The second supporting element includes an annular configuration.
  • Other objectives, advantages and features of the present disclosure will be apparent from the following description referring to the attached drawings.
    • BRIEF DESCRIPTION OF DRAWINGS
  • The present disclosure will be described via detailed illustration of the preferred embodiment referring to the drawings wherein:
  • FIG. 1 is a perspective view of an adjustable device for supporting a sun-tracking unit of a photovoltaic module according to the preferred embodiment of the present disclosure;
  • FIG. 2 is a partial view of the adjustable device shown in FIG. 1;
  • FIG. 3 is another partial view of the adjustable device shown in FIG. 1; and
  • FIG. 4 is another perspective view of the portion of the adjustable device shown in FIG. 3.
    •  DETAILED DESCRIPTION OF PREFERRED EMBODIMENT
  • FIG. 1 shows an adjustable device 100 for supporting a sun-tracking unit of a photovoltaic module according to the preferred embodiment of the present disclosure. The photovoltaic module further includes an energy-converting unit including an array of solar cells. The sun-tracking unit includes a circuit board and at least one photo sensor provided on each of two opposite sides of the circuit board. The photo sensors are photoelectric diodes for example. Such energy-converting unit and sun-tracking unit will not be further described in detail for not being the spirit of the present disclosure. The adjustable device 100 includes a framework 1, a first supporting element 2 and a second supporting element 3.
  • FIG. 2 shows framework 1 includes a lower portion 11 and an upper portion 12. The lower portion 11 of the framework 1 includes two transverse long square tubes 111 and a longitudinal long square tube 112 for interconnecting the transverse long square tubes 111. The transverse long square tubes 111 and the longitudinal long square tube 112 form a U-shaped or H-shaped structure. The transverse long square tubes 111 are connected to another framework for supporting the energy-converting unit.
  • The upper portion 12 of the framework 1 includes two transverse short square tubes 121, a longitudinal short square tube 122 for interconnecting the transverse short square tubes 121, and two vertical square tubes 123 each extending to a related one of the transverse short square tubes 121 from a related one of the transverse long square tubes 111. The transverse short square tubes 121 and the longitudinal short square tube 122 form a U-shaped structure. The longitudinal short square tube 122 and the vertical square tubes 123 form another U-shaped structure. The square tubes 111, 112, 121, 122 and 123 are made of metal and connected to one another by welding for example.
  • FIGS. 3 and 4 show the first supporting element 2 is in the form of a board. The first supporting element 2 includes a primary rectangular portion 21 and a secondary rectangular portion 22 extending from the primary rectangular portion 21. Thus, the first supporting element 2 is made a T-shaped element. The primary rectangular portion 21 of the first supporting element 2 includes four apertures 211 each defined in a corner thereof. Furthermore, three apertures 24 are defined in the primary rectangular portion 21 of the first supporting element 2. The secondary rectangular portion 22 of the first supporting element 2 includes an aperture defined therein near a free end thereof. Moreover, another aperture 24 is defined in the secondary rectangular portion 22 of the first supporting element 2.
  • The second supporting element 3 includes an annular configuration. The second supporting element 3 includes four margins 31 connected to one another at the right angle and four fins 32 each extending from a related one of the margins 31 at the right angle. Thus, the margins 31 form a square structure in which a square opening is defined. Each of the fins 32 includes a screw hole 321 defined in a section thereof located outside the square structure and an aperture 322 defined in another section thereof located within the square structure.
  • A screw 6 is inserted through each of the screw holes 321 and engaged with a nut 7. Each of the screw 6 is inserted through a spring 4. Each of the screws 6 is inserted through a related one of the apertures 24 and engaged with a butterfly nut 5. The springs 4 are compressed between the first supporting element 2 and the second supporting element 3. With the springs 4, the butterfly nuts 5 and the screws 6, the second supporting element 3 can be positioned relative to the first supporting element 2 efficiently. Thus, the adjustable device 100 is made.
  • In use, the energy-converting unit, i.e., the circuit board of the sun-tracking unit is supported on the second supporting element 3. The photo sensor on one of the opposite sides of the circuit board of the sun-tracking unit is used to track the sun at a time, depending on the position of the sun-tracking unit relative to the sun. Thus, the operation of the sun-tracking unit can begin again after it is interrupted by clouds for a long period of time and the sun moves to a substantially opposite orientation during the long period of time. With the springs 4, the butterfly nuts 5 and the screws 6, the second supporting element 3 can be positioned relative to the first supporting element 2 efficiently. That is, the sun-tracking unit can be positioned relative to energy-converting unit efficiently.
  • The present disclosure has been described via the detailed illustration of the preferred embodiment. Those skilled in the art can derive variations from the preferred embodiment without departing from the scope of the present disclosure. Therefore, the preferred embodiment shall not limit the scope of the present disclosure defined in the claims.

Claims (10)

What is claimed is:
1. An adjustable device for supporting a sun-tracking unit of a photovoltaic module, the adjustable device comprising:
a framework including:
a lower portion including two transverse long tubes and a longitudinal long tube for interconnecting the transverse long tubes; and
an upper portion including two vertical tubes each extending from a respective one of the transverse long tubes, two transverse short tubes each extending from a respective one of the vertical tubes, and a longitudinal short tube for interconnecting the transverse short tubes;
a first supporting element connected to the transverse short tubes; and
a second supporting element adjustably connected to the first supporting element.
2. The adjustable device according to claim 1, wherein the transverse long tubes, longitudinal long tube, transverse short tubes, longitudinal short tube, and vertical tubes are square tubes.
3. The adjustable device according to claim 1, wherein the transverse short tubes and the longitudinal short tube form a U-shaped structure.
4. The adjustable device according to claim 1, further comprisnig:
screws inserted through the first and second supporting elements;
butterfly nuts each engaged with a respective one of the screws; and
springs each located around a respective one of the screws and
compressed between the first and second supporting elements.
5. The adjustable device according to claim 1, wherein the first supporting element includes a T-shaped board, the T-shaped board including:
a primary rectangular portion connected to the transverse short tubes; and
a secondary rectangular portion extending from the primary rectangular portion.
6. The adjustable device according to claim 5, wherein the primary rectangular portion of the second supporting element includes apertures through which screws can be driven in the transverse short tubes.
7. The adjustable device according to claim 1, wherein the second supporting element includes an annular configuration including margins extending from one another.
8. The adjustable device according to claim 7, further comprising:
screws inserted via the first and second supporting elements;
butterfly nuts each engaged with a relative one of the screws; and
springs each located around a related one of the screws and compressed between the first and second supporting elements.
9. The adjustable device according to claim 8, wherein the second supporting element includes wings each extending from a related one of the margins and including a screw hole defined therein for receiving a related one of the screws.
10. The adjustable device according to claim 9, wherein each of the wings includes an aperture defined therein for receiving a screw driven through the sun-tracking unit.
US12/887,631 2010-09-22 2010-09-22 Device for Supporting a Sun-Tracking Unit of a Photovoltaic Module Abandoned US20120067336A1 (en)

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