US20100242948A1 - Solar collector-reflector system - Google Patents
Solar collector-reflector system Download PDFInfo
- Publication number
- US20100242948A1 US20100242948A1 US12/662,086 US66208610A US2010242948A1 US 20100242948 A1 US20100242948 A1 US 20100242948A1 US 66208610 A US66208610 A US 66208610A US 2010242948 A1 US2010242948 A1 US 2010242948A1
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- US
- United States
- Prior art keywords
- solar
- solar collector
- reflector system
- reflector
- air
- 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
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1084—Arrangement or mounting of control or safety devices for air heating systems
- F24D19/109—Arrangement or mounting of control or safety devices for air heating systems system using solar energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D11/00—Central heating systems using heat accumulated in storage masses
- F24D11/02—Central heating systems using heat accumulated in storage masses using heat pumps
- F24D11/0257—Central heating systems using heat accumulated in storage masses using heat pumps air heating system
- F24D11/0264—Central heating systems using heat accumulated in storage masses using heat pumps air heating system combined with solar energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D5/00—Hot-air central heating systems; Exhaust gas central heating systems
- F24D5/005—Hot-air central heating systems; Exhaust gas central heating systems combined with solar energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
- F24S10/74—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits the tubular conduits are not fixed to heat absorbing plates and are not touching each other
- F24S10/742—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits the tubular conduits are not fixed to heat absorbing plates and are not touching each other the conduits being parallel to each other
-
- 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
-
- 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
- F24S50/80—Arrangements for controlling solar heat collectors for controlling collection or absorption of solar radiation
-
- 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
-
- 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
- F24S2030/135—Transmissions in the form of threaded 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
- F24S2030/136—Transmissions for moving several solar collectors by common transmission elements
-
- 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
- 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
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
-
- 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
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/13—Hot air central heating systems using heat pumps
-
- 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
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
Definitions
- the present invention relates to solar energy devices, and more specifically, to a solar collector-reflector system that may be used as a means to regulate the temperature in a dwelling while also using the system as an additional heat source for household systems.
- the solar collector-reflector system includes at least one modular solar panel having a solar collector-reflector assembly, a driver for selective collection or reflection of solar energy, attachment assembly, mounting assembly, ducting and a controller for controlling the solar energy collection and reflection configuration based on the sensed difference in temperature.
- the solar collector-reflector assembly has surfaces that either collect or reflect solar energy, and the solar collector-reflector system utilizes air-to-air heat transfer to provide additional heating or heat reflection to an existing system in a dwelling and thereby reduce energy consumption and costs.
- FIG. 1 is an environmental, perspective view of a solar collector-reflector system according to the present invention.
- FIG. 2 is a top view of a modular solar panel of a solar collector-reflector system according to the present invention.
- FIG. 3 is a side view of the modular solar panel of a solar collector-reflector system according to the present invention.
- FIG. 4 is an enlarged partial side view of the modular solar panel of a solar collector-reflector system according to the present invention.
- FIG. 5 is an enlarged partial side view in section of the modular solar panel according to the present invention, showing the driver for a solar collector-reflector system.
- FIG. 6 is a perspective view of a solar collector-reflector tube of a solar collector reflector system according to the present invention.
- FIG. 7 is a perspective view of an alternative embodiment of a solar collector-reflector assembly of a solar collector-reflector system according to the present invention.
- FIG. 8 is a top view of a modular solar panel incorporating the alternative solar collector-reflector assembly of FIG. 7 .
- FIG. 9 is a side view of the alternative modular solar panel without the side frame member for a solar collector-reflector system according to the present invention.
- FIG. 10 is a side view of the alternative modular solar panel frame for a solar collector-reflector system according to the present invention.
- FIG. 11 is a partial diagrammatic view of a household heating/cooling system utilizing the solar collector-reflector system according to the present invention.
- FIG. 12 is a section view of ducting (cooler air) from FIG. 1 for a solar collector-reflector system according to the present invention.
- FIG. 13 is a section view of ducting (heated air) from FIG. 1 for a solar collector-reflector system according to the present invention.
- FIG. 14 is a section view of a supplemental water tank from FIG. 11 for a solar collector-reflector system according to the present invention.
- FIG. 15 is a schematic diagram of a controller for a solar collector-reflector system according to the present invention.
- the present invention relates to a solar collector-reflector system that selectively collects or reflects solar energy and uses air-to-air heat transfer to provide either additional heating or enhanced cooling resource to an existing household air conditioning system and thereby reduce energy costs.
- the solar collector-reflector system 10 includes a plurality of solar panels 20 arranged in an array on a roof of a household or dwelling and ducting 50 , 51 to direct air through the array and the dwelling.
- Each modular solar panel 20 includes a solar panel housing 21 and a plurality of solar collector-reflector tubes 23 having end caps 22 .
- the solar panel housing 21 may be composed of aluminized Vinyl plastic or polished aluminum channel frame members.
- Polished aluminum or Vinyl cross braces 27 may be provided within the frame to support the Plexiglas cover 39 and prevent sagging of the same during the heating mode.
- a coupling 30 is used to connect the shaft 29 to a corresponding shaft from the adjacent solar panel.
- Each coupling 30 includes pins 30 ′ slidably inserted into slot 29 ′ of the shaft 29 . These couplings 30 permit synchronized rotation of all the tubes 23 in the array of solar panels 20 .
- coupling 30 engages a drive torque rod 38 that runs the full length of the solar panel frame.
- Spaced bearing support angles 35 include needle roller bearings 37 to support the torque rod 38 along its length.
- Each horizontal gang of solar panels can be powered by one gear motor drive in place of one of the end couplings 30 . Since each horizontal row of ganged solar panels are also coupled to the next abutting horizontal row of panels via couplings 30 , and since all tubes 23 also rotate within very low friction needle roller bearings 36 mounted within the bracket holding the shaft 29 , one gear motor provides enough torque to drive all panels simultaneously.
- a precision worm gear 34 drives gear 33 to rotate a tube 23 at one end of the solar panel via shaft 29 .
- Every shaft 29 in the bank of tubes 23 has a spur gear 32 .
- the spur gears 32 mesh all the tubes in the bank together, thereby providing equal and synchronized rotation of all the tubes 23 . Synchronized rotation may be accomplished by other means, such as a chain drive or pulley type system.
- Nylon spur gears are inexpensive and provide a more positive and lighter weight function.
- the long channels include a plurality of openings 40 , which permit air to flow across and parallel to the tubes 23 , as well as through the tubes 23 , due to the holes 26 formed on each of the end caps 22 .
- Each solar panel 20 includes an aluminum or Vinyl bottom 39 ′ embossed with integral ribs 28 to provide rigidity.
- a Styrofoam sheet 39 ′′ may be provided beneath the bottom 39 ′ for thermal insulation.
- the solar collection-reflection tube 23 is an aluminum tube having two different surfaces.
- the reflection surface 24 is polished to reflect solar energy, i.e. reflecting mode, while the collection surface 25 may be black anodized to absorb the solar energy, i.e. heating mode.
- the solar collector-reflector assembly 100 includes an endless belt 102 preferably made of aluminized Mylar.
- the belt 102 rotates about rollers 104 .
- Half the length of belt 102 is provided with black solar collector corrugations 101 which are heat-sealed to the reflective portion of the belt 102 , i.e. the non-corrugated portion of the belt. Since Mylar has good thermal insulation characteristics, the surface temperature of the black portion will sustain higher temperatures when exposed to solar energy as compared to the aluminum tubes.
- One of the rollers 104 may be laterally spring loaded to maintain belt tension as well as compensating for thermal expansion.
- a drive mechanism may be attached to rod 103 through bearing 136 to thereby power the other roller 104 and the endless belt 102 .
- all solar panels 20 may be gang mounted as shown and bolted to a series of parallel I-beams 53 .
- Elastomeric gaskets 31 may be installed between each solar panel 20 to provide water and airtight seal.
- Each gasket is preferably made of extruded, silver pigmented Silicon rubber.
- An air inlet duct 50 includes longitudinal partition 81 and supplies airflow to the entire lower bank of solar panels. As shown in FIG. 12 , the partition 81 separates the inlet duct 50 into two compartments. These dual compartments allow equalization of the air pressure drop through all the sloping rows of solar panels to thereby assure uniform heating in each sloping stack.
- Air outlet duct 51 includes a plurality of openings 54 for receiving the airflow up through all the panels. Both ducts may be lined with thermal insulating Styrofoam 82 . The outer walls of the ducts are preferably made of polished aluminum or polished galvanized sheet metal.
- external return duct 52 is connected to the existing return duct 64 to the furnace 60 .
- Three valves 57 , 59 , 63 are provided into the existing duct. These valves are automatically cycled by a modified house thermostat.
- valve 57 is motor operated into the closed position, rotating the vane into the vertical position while valve 63 is motor driven to the open position also sealing off duct 64 (as shown by dashed line) from the furnace 60 .
- Normal operation of the furnace fan 61 draws house air in through valve opening 63 , goes through the existing air conditioning heat exchanger in the furnace cabinet, and is distributed to all the rooms in the house via existing ducting 62 .
- potable water may be heated using the roof mounted solar panel array via the auxiliary tank 76 .
- a modified thermostat located on the standard (existing) hot water heater 77 will automatically close the vane door of the motorized valve 59 (shown dashed) and energize the hot water tank fan 58 and the small low power centrifugal pump 72 which will circulate the water between the two tanks 76 , 77 .
- This action may also be controlled by sensing the temperature of the uppermost solar array duct whereby the temperature in the duct is higher than the low set point temperature of the water heater's thermostat.
- valves 57 and 59 will be open and valve 63 will be closed (as shown in solid line).
- House return air to the solar array system will flow through valve 59 .
- This area i.e. the basement, is normally the coldest part of the dwelling.
- the ducting leading from the window 56 to valve 57 and to the hot water heater will be thermally insulated, as well as the plumbing lines 75 , 75 ′ and the line above plumbing line 75 running between the two water tanks/heaters 76 , 77 .
- the cold-water inlet line 70 enters the auxiliary heater tank 76 . From there, heated water will enter the standard heater tank 77 .
- Check valve 71 only permits water flow from the standard tank heater 77 to the auxiliary tank heater 76 .
- the existing pressure relief valve 73 protects both tanks.
- Switch 91 is a DPDT (Double Pole Double Throw) switch automatically cycled by the modified house thermostat. If the thermostat is set to the ‘heat’ position and the temperature sensor in the array indicates or senses a higher temperature than the set point temperature, power from the power supply is directed to the gear motor(s) 96 to rotate all array tubes 23 to the ‘black side up’ position.
- a cam wheel 92 located on the master powered solar panel has a cam stud 93 , which rotates on the array tube's longitudinal axis.
- the solar collector reflector system encompasses a variety of alternatives.
- the blackened surfaces of the tube 23 and the belt 102 may include a plurality of raised surfaces to increase the area of solar energy absorption.
- the collection surface 25 may include black tinsel strips and/or tufts 25 ′ along the length of the tube 23 to effectively increase the blackened surface area.
- the blackened corrugations 101 may also include black tinsel strips and/or tufts 101 ′.
- the raised surfaces have been disclosed as strips, other shapes such as rounded or geometric shaped protrusions in a variety of patterns may also be viable to increase surface area. In light of this configuration, the raised surfaces help create turbulence in the airflow which increases the heat transfer coefficient in addition to increasing the rate of heat absorption due to the larger area.
Abstract
The solar collector-reflector system includes at least one modular solar panel having a solar collector-reflector assembly, a driver for selective collection or reflection of solar energy, attachment assembly, mounting assembly, ducting and a controller for controlling the solar energy collection and reflection configuration based on the sensed temperature. The solar collector-reflector assembly has surfaces that either collect or reflect solar energy, and the solar collector-reflector system utilizes air-to-air heat transfer to provide additional heating or cooling to an existing system in a dwelling and thereby reduce energy consumption and costs.
Description
- This application claims the benefit of U.S. Provisional Patent Application Ser. No. 61/202,745, filed Mar. 31, 2009.
- 1. Field of the Invention
- The present invention relates to solar energy devices, and more specifically, to a solar collector-reflector system that may be used as a means to regulate the temperature in a dwelling while also using the system as an additional heat source for household systems.
- 2. Description of the Related Art
- Currently, feasible and cost-effective alternative energy sources are in high demand due to the costs of limited natural resources such as fossil fuels and coal, both to the consumer as well as the producer. The costs for maintaining energy consumption for heating and cooling a typical home is on the rise. Two of the existing solutions for this issue involve solar panels. While they may provide adequate additional energy resource, the first photovoltaic systems are expensive and inefficient, and inverters are required to convert DC to AC power. Another method is using ethylene glycol/water systems that require a separate liquid to air heat exchanger to transfer solar heat to the dwelling and/or hot water heating system. While adequate, installation is costly due to the additional hardware.
- Thus, a solar collector-reflector system solving the aforementioned problems is desired.
- The solar collector-reflector system includes at least one modular solar panel having a solar collector-reflector assembly, a driver for selective collection or reflection of solar energy, attachment assembly, mounting assembly, ducting and a controller for controlling the solar energy collection and reflection configuration based on the sensed difference in temperature. The solar collector-reflector assembly has surfaces that either collect or reflect solar energy, and the solar collector-reflector system utilizes air-to-air heat transfer to provide additional heating or heat reflection to an existing system in a dwelling and thereby reduce energy consumption and costs.
- These and other features of the present invention will become readily apparent upon further review of the following specification and drawings.
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FIG. 1 is an environmental, perspective view of a solar collector-reflector system according to the present invention. -
FIG. 2 is a top view of a modular solar panel of a solar collector-reflector system according to the present invention. -
FIG. 3 is a side view of the modular solar panel of a solar collector-reflector system according to the present invention. -
FIG. 4 is an enlarged partial side view of the modular solar panel of a solar collector-reflector system according to the present invention. -
FIG. 5 is an enlarged partial side view in section of the modular solar panel according to the present invention, showing the driver for a solar collector-reflector system. -
FIG. 6 is a perspective view of a solar collector-reflector tube of a solar collector reflector system according to the present invention. -
FIG. 7 is a perspective view of an alternative embodiment of a solar collector-reflector assembly of a solar collector-reflector system according to the present invention. -
FIG. 8 is a top view of a modular solar panel incorporating the alternative solar collector-reflector assembly ofFIG. 7 . -
FIG. 9 is a side view of the alternative modular solar panel without the side frame member for a solar collector-reflector system according to the present invention. -
FIG. 10 is a side view of the alternative modular solar panel frame for a solar collector-reflector system according to the present invention. -
FIG. 11 is a partial diagrammatic view of a household heating/cooling system utilizing the solar collector-reflector system according to the present invention. -
FIG. 12 is a section view of ducting (cooler air) fromFIG. 1 for a solar collector-reflector system according to the present invention. -
FIG. 13 is a section view of ducting (heated air) fromFIG. 1 for a solar collector-reflector system according to the present invention. -
FIG. 14 is a section view of a supplemental water tank fromFIG. 11 for a solar collector-reflector system according to the present invention. -
FIG. 15 is a schematic diagram of a controller for a solar collector-reflector system according to the present invention. - Similar reference characters denote corresponding features consistently throughout the attached drawings.
- The present invention relates to a solar collector-reflector system that selectively collects or reflects solar energy and uses air-to-air heat transfer to provide either additional heating or enhanced cooling resource to an existing household air conditioning system and thereby reduce energy costs. Referring to
FIGS. 1 and 2 , the solar collector-reflector system 10 includes a plurality ofsolar panels 20 arranged in an array on a roof of a household or dwelling and ducting 50, 51 to direct air through the array and the dwelling. Each modularsolar panel 20 includes asolar panel housing 21 and a plurality of solar collector-reflector tubes 23 havingend caps 22. Thesolar panel housing 21 may be composed of aluminized Vinyl plastic or polished aluminum channel frame members. Polished aluminum orVinyl cross braces 27 may be provided within the frame to support the Plexiglascover 39 and prevent sagging of the same during the heating mode. To connect adjacentsolar panels 20, acoupling 30 is used to connect theshaft 29 to a corresponding shaft from the adjacent solar panel. Eachcoupling 30 includespins 30′ slidably inserted intoslot 29′ of theshaft 29. Thesecouplings 30 permit synchronized rotation of all thetubes 23 in the array ofsolar panels 20. - To drive the
tubes 23, attention is directed toFIGS. 3-5 . As shown in the Figures,coupling 30 engages adrive torque rod 38 that runs the full length of the solar panel frame. Spacedbearing support angles 35 includeneedle roller bearings 37 to support thetorque rod 38 along its length. Each horizontal gang of solar panels can be powered by one gear motor drive in place of one of theend couplings 30. Since each horizontal row of ganged solar panels are also coupled to the next abutting horizontal row of panels viacouplings 30, and since alltubes 23 also rotate within very low frictionneedle roller bearings 36 mounted within the bracket holding theshaft 29, one gear motor provides enough torque to drive all panels simultaneously. Aprecision worm gear 34 drivesgear 33 to rotate atube 23 at one end of the solar panel viashaft 29. Everyshaft 29 in the bank oftubes 23 has aspur gear 32. Thespur gears 32 mesh all the tubes in the bank together, thereby providing equal and synchronized rotation of all thetubes 23. Synchronized rotation may be accomplished by other means, such as a chain drive or pulley type system. However Nylon spur gears are inexpensive and provide a more positive and lighter weight function. The long channels include a plurality of openings 40, which permit air to flow across and parallel to thetubes 23, as well as through thetubes 23, due to theholes 26 formed on each of theend caps 22. - Each
solar panel 20 includes an aluminum orVinyl bottom 39′ embossed withintegral ribs 28 to provide rigidity. AStyrofoam sheet 39″ may be provided beneath thebottom 39′ for thermal insulation. - Referring to
FIG. 6 , the solar collection-reflection tube 23 is an aluminum tube having two different surfaces. Thereflection surface 24 is polished to reflect solar energy, i.e. reflecting mode, while thecollection surface 25 may be black anodized to absorb the solar energy, i.e. heating mode. - Referring to
FIGS. 7-10 , these drawings disclose an alternative solar panel, which is lighter in weight. The solar collector-reflector assembly 100 includes anendless belt 102 preferably made of aluminized Mylar. Thebelt 102 rotates aboutrollers 104. Half the length ofbelt 102 is provided with blacksolar collector corrugations 101 which are heat-sealed to the reflective portion of thebelt 102, i.e. the non-corrugated portion of the belt. Since Mylar has good thermal insulation characteristics, the surface temperature of the black portion will sustain higher temperatures when exposed to solar energy as compared to the aluminum tubes. One of therollers 104 may be laterally spring loaded to maintain belt tension as well as compensating for thermal expansion. A drive mechanism may be attached torod 103 through bearing 136 to thereby power theother roller 104 and theendless belt 102. - Referring to FIGS. 1 and 11-14, all
solar panels 20 may be gang mounted as shown and bolted to a series of parallel I-beams 53.Elastomeric gaskets 31 may be installed between eachsolar panel 20 to provide water and airtight seal. Each gasket is preferably made of extruded, silver pigmented Silicon rubber. Anair inlet duct 50 includeslongitudinal partition 81 and supplies airflow to the entire lower bank of solar panels. As shown inFIG. 12 , thepartition 81 separates theinlet duct 50 into two compartments. These dual compartments allow equalization of the air pressure drop through all the sloping rows of solar panels to thereby assure uniform heating in each sloping stack.Air outlet duct 51 includes a plurality ofopenings 54 for receiving the airflow up through all the panels. Both ducts may be lined with thermal insulatingStyrofoam 82. The outer walls of the ducts are preferably made of polished aluminum or polished galvanized sheet metal. - To utilize the heating and reflecting capabilities of the solar collector-
reflector system 10,external return duct 52 is connected to the existingreturn duct 64 to thefurnace 60. Threevalves valve 57 is motor operated into the closed position, rotating the vane into the vertical position whilevalve 63 is motor driven to the open position also sealing off duct 64 (as shown by dashed line) from thefurnace 60. Normal operation of thefurnace fan 61 draws house air in throughvalve opening 63, goes through the existing air conditioning heat exchanger in the furnace cabinet, and is distributed to all the rooms in the house via existingducting 62. Also, during the summer months, potable water may be heated using the roof mounted solar panel array via theauxiliary tank 76. A modified thermostat located on the standard (existing)hot water heater 77 will automatically close the vane door of the motorized valve 59 (shown dashed) and energize the hotwater tank fan 58 and the small low powercentrifugal pump 72 which will circulate the water between the twotanks valves valve 63 will be closed (as shown in solid line). House return air to the solar array system will flow throughvalve 59. This area, i.e. the basement, is normally the coldest part of the dwelling. The ducting leading from thewindow 56 tovalve 57 and to the hot water heater will be thermally insulated, as well as theplumbing lines plumbing line 75 running between the two water tanks/heaters water inlet line 70 enters theauxiliary heater tank 76. From there, heated water will enter thestandard heater tank 77. Checkvalve 71 only permits water flow from thestandard tank heater 77 to theauxiliary tank heater 76. The existingpressure relief valve 73 protects both tanks. - Referring to
FIG. 15 , this drawing schematically shows thecontroller 90 for synchronized rotation of the solar collector-reflector system 10 and thetubes 23.Switch 91 is a DPDT (Double Pole Double Throw) switch automatically cycled by the modified house thermostat. If the thermostat is set to the ‘heat’ position and the temperature sensor in the array indicates or senses a higher temperature than the set point temperature, power from the power supply is directed to the gear motor(s) 96 to rotate allarray tubes 23 to the ‘black side up’ position. Acam wheel 92 located on the master powered solar panel has acam stud 93, which rotates on the array tube's longitudinal axis. When thestud 93 engages amicroswitch 94, power to thegear motor 96 is turned off and all array tubes will have rotated 180° with their black surfaces facing skyward. If the tubes are already in the ‘black surface up’ position, switch 94 is in the open circuit condition and the gear motor(s) is/are not energized. Both switches 94 and 95 are wired normally closed. If the thermostat is set in the ‘cool’ position, switch 91 is toggled to reverse polarity thereby supplying power to operate the gear motor(s) 96 in the opposite direction until thestud 93 engagesmicroswitch 95. At this point all array tubes will have their reflective surfaces facing skyward. In order to minimize the heat gain of a roof that is already shingled, it is recommended that all areas of the roof not covered by array panels be clad with reflective aluminum sheet or polished galvanized sheet metal. For new building construction, polished cladding should be installed in lieu of colored shingles. Homes that already have galvanized metal sheet roofs should be painted with reflective silver, or at least white. They may also be polished in place. - It is noted that the solar collector reflector system encompasses a variety of alternatives. For example, the blackened surfaces of the
tube 23 and thebelt 102 may include a plurality of raised surfaces to increase the area of solar energy absorption. As shown inFIG. 6 , thecollection surface 25 may include black tinsel strips and/ortufts 25′ along the length of thetube 23 to effectively increase the blackened surface area. Similarly, the blackenedcorrugations 101 may also include black tinsel strips and/ortufts 101′. While the raised surfaces have been disclosed as strips, other shapes such as rounded or geometric shaped protrusions in a variety of patterns may also be viable to increase surface area. In light of this configuration, the raised surfaces help create turbulence in the airflow which increases the heat transfer coefficient in addition to increasing the rate of heat absorption due to the larger area. - [make note about the efficiency of invention—an example—about 75% solar conversion efficiency in summer and 55% in winter—using a 1500 ft2 of realestate]
- It is to be understood that the present invention is not limited to the embodiments described above, but encompasses any and all embodiments within the scope of the following claims.
Claims (16)
1. A solar collector reflector system, comprising:
at least one modular, enclosed solar panel, the solar panel being rectangular and having a selectively operable solar collector-reflector assembly and a transparent cover, the solar collector-reflector assembly having surfaces collecting or reflecting solar energy to transfer heat through media;
a driver assembly to drive the solar collector-reflector assembly;
ducting; and
a controller selectively actuating the driver assembly, the controller having means for sensing differential temperatures.
2. The solar collector reflector system according to claim 1 , wherein the media is air.
3. The solar collector reflector system according to claim 1 , wherein the solar collector-reflector assembly comprises a plurality of tubes, each of the tubes having a solar energy collection surface on one side and a solar energy reflection surface on an opposing side.
4. The solar collector reflector system according to claim 3 , wherein the solar energy collection surface is black anodized and the solar energy reflection surface is polished.
5. The solar collector reflector system according to claim 3 , wherein solar energy collection surface includes a plurality of raised, black surface strips to increase the solar energy collection surface area and induce turbulence in media flow.
6. The solar collector reflector system according to claim 1 , wherein the solar collector-reflector assembly comprises a drive roller, an idler roller, an endless belt rotatable about the drive roller and the idler roller, the endless belt having corrugations with solar energy collection surfaces disposed on one-half the length of the belt, the remaining half of the belt having a solar reflection surface.
7. The solar collector reflector system according to claim 6 , wherein the solar energy collection surface is black and the solar energy reflection surface is mirrored.
8. The solar collector reflector system according to claim 3 , wherein:
the media is air;
the solar collector-reflector assembly comprises a plurality of tubes, each of the tubes having a solar energy collection surface on one side and a solar energy reflection surface on an opposing side; and
the solar energy collection surface includes a plurality of raised, black surface strips to increase the solar energy collection surface area and induce turbulence in media flow.
9. The solar collector reflector system according to claim 2 , wherein the media is air and wherein the driver assembly comprises:
a drive torque rod extending along the length of the solar panel;
bearing support angles for supporting the torque rod along the length thereof;
gears between the drive torque rod and the solar collector-reflector assembly; and
a motor for driving the drive torque rod.
10. The solar collector reflector system according to claim 9 , further comprising a plurality of solar panels arranged in an array, the array being operatively connected to a dwelling air circulation system.
11. The solar collector reflector system according to claim 10 , further comprising a plurality of couplings interconnecting adjacent drive assemblies, wherein the motor drives the entire array.
12. The solar collector reflector system according to claim 10 , wherein the ducting comprises:
an air inlet duct supplying airflow to the entire array,
a partition separating the inlet duct into two compartments for equalizing air pressure drop along the array to ensure uniform heating; and
an air outlet duct having a plurality of openings for receiving the airflow through all the panels.
13. The solar collector reflector system according to claim 12 , wherein the ducting is thermally insulated.
14. The solar collector reflector system according to claim 12 , wherein during a heating mode, air is circulated in a closed loop through said array and the dwelling.
15. The solar collector reflector system according to claim 12 , wherein air is circulated in a closed loop through said array and thermally insulated air ducting to at least one water heat exchanger.
16. The solar collector reflector system according to claim 1 , wherein the controller is adapted for selectively actuating blowers and valves in a dwelling air system based upon the sensed differential temperatures.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US12/662,086 US20100242948A1 (en) | 2009-03-31 | 2010-03-30 | Solar collector-reflector system |
US13/295,929 US8371287B2 (en) | 2009-03-31 | 2011-11-14 | Solar collector reflector system |
Applications Claiming Priority (2)
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US20274509P | 2009-03-31 | 2009-03-31 | |
US12/662,086 US20100242948A1 (en) | 2009-03-31 | 2010-03-30 | Solar collector-reflector system |
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US13/295,929 Continuation-In-Part US8371287B2 (en) | 2009-03-31 | 2011-11-14 | Solar collector reflector system |
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US20100242948A1 true US20100242948A1 (en) | 2010-09-30 |
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US12/662,086 Abandoned US20100242948A1 (en) | 2009-03-31 | 2010-03-30 | Solar collector-reflector system |
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US20130011315A1 (en) * | 2011-07-05 | 2013-01-10 | Osman Ahmed | Environmentally Responsive Building and Control System Therefor |
US9793429B2 (en) | 2013-12-01 | 2017-10-17 | Alfred Hyamo Bedell | Photovoltaic intensification system using solar tracking concentrators and heat exchangers |
CN107917543A (en) * | 2017-12-29 | 2018-04-17 | 天津霖信鑫科技发展有限公司 | Solar photoelectric radiates hot water apparatus |
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