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
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
  • F24S30/00—Arrangements for moving or orienting solar heat collector modules
  • F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
  • F24S30/42—Arrangements for moving or orienting solar heat collector modules for rotary movement with only one rotation axis
  • F24S30/425—Horizontal axis
• • 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
• • 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
  • F24S2030/12—Coupling means
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
  • F24S30/00—Arrangements for moving or orienting solar heat collector modules
  • F24S2030/10—Special components
  • F24S2030/13—Transmissions
  • F24S2030/134—Transmissions in the form of gearings or rack-and-pinion transmissions
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
  • F24S30/00—Arrangements for moving or orienting solar heat collector modules
  • F24S2030/10—Special components
  • F24S2030/13—Transmissions
  • F24S2030/136—Transmissions for moving several solar collectors by common transmission elements
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
  • 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
• • 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
  • F24S25/65—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for coupling adjacent supporting elements, e.g. for connecting profiles together
• • 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
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
  • Y02E10/00—Energy generation through renewable energy sources
  • Y02E10/50—Photovoltaic [PV] energy

Definitions

• Embodiments of the present disclosure generally relate to a solar battery, more particularly, to a solar energy system.
• Solar energy system in a solar power station mainly comprises: solar energy battery assemblies, a support assembly, and an electrical assembly.
• the cost of the support assembly accounts a larger proportion in the total cost of the solar power station.
• the sun-tracking support assembly used for the ground power station and the fixed support assembly used for roof power station.
• the sun-tracking system requires high planeness for the ground and high straightness for the transmission components, especially for the transmission shaft. Therefore, the cost of the solar power station may be very high because a large area of solar energy battery assemblies which are connected one to another cannot be driven by a single driving force.
• the traditional solar energy system may comprise lots of driving elements, the solar energy system may have a complicated structure and a high failure rate.
• the ground may be out of flatness due to ground subsidence, which may result in a huge torque in the transmission shaft, thus the driving element may be easily damaged.
• a solar energy system comprising: lateral shafts extended parallelly in a lateral direction and arranged in a plurality of rows spaced from each other in a longitudinal direction, each lateral shaft including lateral connecting rods and a lateral universal joint connected between adjacent lateral connecting rods; supporting columns upon which each lateral connecting rod is rotatably supported; one longitudinal shaft extended perpendicular to the lateral shafts and including longitudinal connecting rods and a longitudinal universal joint connected between adjacent longitudinal connecting rods; solar energy battery assemblies fixed on each of the lateral shafts; pillars disposed at positions at which the lateral shafts cross the one longitudinal shaft respectively; worm-gear mechanisms fixed on the pillars and configured to couple the lateral shafts with the one longitudinal shaft respectively; and a driving device coupled with the longitudinal shaft and configured to drive the longitudinal shaft to rotate.
• the longitudinal shaft is driven by the driving device; then the longitudinal shaft drives the lateral shafts via the worm-gear mechanism, so that the solar energy battery assemblies fixed on each of the lateral shafts are driven to rotate to track the sun.
• the number of the driving device may be decreased, and the solar energy system may have a simplified structure and the cost thereof is reduced.
• the longitudinal shaft includes longitudinal connecting rods and a longitudinal universal joint connected between adjacent longitudinal connecting rods
• the lateral shaft includes lateral connecting rods and a lateral universal joint connected between adjacent lateral connecting rods. Therefore, straightness requirements for the longitudinal shaft and the lateral shaft, the assembling requirement for the solar energy system, and the planeness requirement for the ground are all lowered.
• the driving device may drive the solar energy battery assemblies with a lower power, therefore the solar energy system according to embodiments of the present disclosure is very useful for constructing a large-scale photovoltaic power station, which has simplified structure and lower cost.
• Fig. l is a schematic view of a solar energy system according to an embodiment of the present disclosure.
• Fig.2 is an enlarged schematic view of part A shown in Fig. l ;
• Fig.3 is an enlarged schematic view of part B shown in Fig. l ;
• Fig.4 is a schematic view of a solar energy system according to another embodiment of the present disclosure.
• Fig.5 is an enlarged schematic view of part C shown in Fig.4;
• Fig.6 is an enlarged schematic view of part D shown in Fig.4.
• first and second are used herein for purposes of description and are not intended to indicate or imply relative importance or significance. Thereby, the feature defined as “first” and “second” may indicate or include one or more this feature. In the specification, “more” may mean two or more than two, unless specifically defined.
• the solar energy system comprises: lateral shafts 2 extended parallelly in a lateral direction H and arranged in a plurality of rows spaced from each other in a longitudinal direction Z, each lateral shaft including lateral connecting rods 21 and a lateral universal joint 22 connected between adjacent lateral connecting rods 21 ; supporting columns 8 upon which each lateral connecting rod 22 is rotatably supported; one longitudinal shaft 1 extended perpendicular to the lateral shafts 2 and including longitudinal connecting rods 11 and a longitudinal universal joint 12 connected between adjacent longitudinal connecting rods 11 ; solar energy battery assemblies 3 fixed on each of the lateral shafts 2; pillars 5 disposed at positions at which the lateral shafts 2 cross the longitudinal shaft 1 respectively; worm-gear mechanisms 6 fixed on the pillars 5 and configured to couple the lateral shafts 2 with the longitudinal shaft 1 respectively; and a driving device 4 coupled with the longitudinal shaft 1 and configured to drive the longitudinal shaft 1 to rotate.
• the longitudinal shaft is driven by the driving device; then the longitudinal shaft drives the lateral shafts via the worm-gear mechanisms, so that the solar energy battery assemblies fixed on each of the lateral shafts are driven to rotate to track the sun.
• the number of the driving device may be decreased, and the solar energy system may have a simplified structure and the cost thereof is reduced.
• the term “track the sun” means that the solar energy battery assemblies of the solar energy system are capable of rotation angle around the lateral shaft 2, so as to track the sun and optimize the solar energy absorption of the solar energy system.
• the longitudinal shaft includes longitudinal connecting rods and a longitudinal universal joint connected between adjacent longitudinal connecting rods
• the lateral shaft includes lateral connecting rods and a lateral universal joint connected between adjacent lateral connecting rods. Therefore the straightness requirements for the longitudinal shaft and the lateral shaft, the assembling requirement for the solar energy system, and the planeness requirement for the ground are all lowered.
• the driving device may drive the solar energy battery assemblies with a lower power, therefore the solar energy system according to embodiments of the present disclosure is very useful for constructing a large-scale solar power station, which has a simplified structure and a lower cost.
• the solar energy system may comprise: a plurality of lateral shafts 2, a plurality of supporting column 8, one longitudinal shaft 1, a plurality of solar energy battery assemblies 3, a plurality of worm-gear mechanisms 6, a plurality of pillars 5, and a driving device 4.
• each lateral shaft 2 is extended parallelly in a lateral direction H and arranged in a plurality of rows spaced from each other in a longitudinal direction Z.
• each lateral shaft 2 comprises a lateral connecting rod 21 and a lateral universal joint 22 connected between adjacent lateral connecting rods 21.
• Two adjacent lateral connecting rods 21 may rotate relative to each other via the lateral universal joint 22, thus the lateral shafts 2 may accommodate the solar energy system to be fixed on a ground having a lower planeness.
• Each lateral shaft 2 is rotatably supported upon the supporting columns 8.
• the longitudinal shaft 1 is extended perpendicular to the lateral shafts 2 and includes a plurality of longitudinal connecting rods 11 and a longitudinal universal joint 12 connected between adjacent longitudinal connecting rods 11. Two adjacent longitudinal connecting rods 11 may rotate relative to each other via the longitudinal universal joint 12, thus the longitudinal shaft 1 may accommodate the solar energy system to be fixed on a ground having a lower planeness.
• the solar energy battery assemblies 3 (for example, a plurality of solar battery panels) are fixed on the lateral shafts 2 to form a solar array.
• the pillars 5 are disposed at positions at which the lateral shafts 2 cross the longitudinal shaft 1 respectively, that is, the pillars 5 may overlap the intersection point between the longitudinal shaft 1 and the lateral shaft 2 from the point of a top view of the solar energy system.
• the worm-gear mechanisms 6 are configured to couple the lateral shafts 2 with the longitudinal shaft 1 respectively.
• the driving device 4 is coupled with the longitudinal shaft 1 and configured to drive the longitudinal shaft 1 to rotate.
• the longitudinal shaft 1 is driven by the driving device 4; then the lateral shafts 2 are driven by the longitudinal shaft 1 via the worm-gear mechanisms 6, thus the solar energy battery assemblies 3 fixed on the lateral shafts 2 may be driven to rotate to track the sun.
• the single longitudinal shaft 1 is driven by the driving device 4; then the plurality of lateral shafts 2 are driven by the single longitudinal shaft 1 via the worm-gear mechanisms 6, thus the solar energy battery assemblies 3 may be driven to rotate to track the sun.
• a number of the driving device 4 may be decreased (in some embodiments, the number of the driving device may be one), the structure of the solar energy system is simplified, and the cost of the solar energy system is reduced.
• the longitudinal shaft 1 includes a plurality of longitudinal connecting rods 11 and a longitudinal universal joint 12 connected between adjacent longitudinal connecting rods 11.
• the lateral shaft 2 comprises a lateral connecting rod 21 and a lateral universal joint 22 connected between adjacent lateral connecting rods 21.
• the worm-gear mechanisms 6 may implement the driving force transmission between the longitudinal shaft 1 and the lateral shaft 2 which are perpendicular to each other.
• the worm-gear mechanisms 6 may apply a decelerating effect on the driving device 4, and an output torque of the worm-gear mechanisms 6 may be increased, so as to transmit a high torque with a low speed, which satisfies the requirements of the solar energy system. Therefore, the driving device 4 may drive the solar energy battery assemblies 3 with a smaller power due to the decelerating effect of the worm-gear mechanisms 6, which may be suitable for the construction of a large-scale solar power station.
• the number of the worm-gear mechanisms 6 is equal to that of the rows of the lateral shafts 2.
• the number of the driving device 4 is one. As a result, the interference between a plurality of driving devices due to asynchrony thereof may be avoided, and the cost of the solar energy system may be reduced.
• the solar energy system may further comprise a worm-gear reducer 7, and the driving device 4 is coupled to the longitudinal shaft 1 through the worm-gear reducer 7.
• the worm-gear reducer 7 comprises a worm screw and a worm wheel configured to cooperate with each other
• the worm-gear mechanism 6 also comprises a worm screw and a worm wheel configured to cooperate with each other.
• the worm screw of the worm-gear reducer 7 is connected to the driving device 4.
• the worm wheel of the worm-gear reducer 7 has a worm wheel shaft defining a first end coupled with one longitudinal connecting rod 11 and a second end coupled with a first end of a worm screw of one worm-gear mechanism 6.
• a second end of the worm screw of the one worm-gear mechanism 6 is coupled with another longitudinal connecting rod 11 adjacent to the one longitudinal connecting rod 11. Therefore, with the cooperation of the worm-gear reducer 7 and the worm gear mechanism 6, the longitudinal shaft 1 is driven by the driving device 4, and then the longitudinal shaft 1 drives the lateral shafts 2, thus the solar energy battery assemblies 3 fixed on each of the lateral shafts 2 are driven to rotate to track the sun.
• the transmission torque may be increased, therefore a driving device with a smaller power may be applied to the solar energy system, and the energy consumption and the cost of the solar energy system may be reduced correspondingly.
• the driving device 4 includes a direct drive motor, and the drive device 4 is directly connected with an end of the longitudinal shaft 1 or the worm screw of the worm-gear mechanism 6 disposed at an end of the longitudinal shaft 1. Therefore, the driving device 4 may drive the longitudinal shaft 1 directly or via the worm gear mechanism 6, then the lateral shafts 2 and the solar energy battery assemblies 3 fixed on each of the lateral shafts 2 are driven to rotate to track the sun.
• the driving device 4 could be any direct driving device, the direct drive motor are for the purpose of example, which shall not be construed to limit the present disclosure.
• the driving device 4 is connected with an end of the longitudinal shaft 1 or with a worm screw of the worm-gear mechanism 6 disposed at an end of the longitudinal shaft 1 via a coupler.
• a coupler With the coupler, a synchronous transmission between the driving device 4 and the worm-gear mechanism 6, or between the driving device 4 and the longitudinal shaft 1 may be realized, and the installation accuracy between the driving device 4 and the worm-gear mechanism 6, or between the driving device 4 and the longitudinal shaft 1 may be lowered.
• axes of the plurality of lateral shafts 2 are located in a same plane.
• the plurality of the solar energy battery assemblies 3 are fixed on each of the lateral shafts 2, and the solar energy battery assemblies 3 fixed on all of the lateral shafts 2 are arranged into an array including a plurality of rows and a plurality of columns.
• the solar energy system is arranged into an array including a plurality of rows and a plurality of columns, thus the solar energy system may also be referred as a solar energy array, a solar energy phalanx, or a solar energy matrix.
• the solar energy battery assembly 3 is inclined relative to the lateral shaft 2. Specifically, each solar energy battery assembly 3 is fixed on the lateral shaft 2 via two fixing blocks having different heights. Therefore, an inclined angle of the solar energy battery assembly 3 may be adjusted through adjusting a height difference between the two fixing blocks.
• the solar energy battery assembly has an adjustable inclined angle, and the solar energy system according to embodiments of the present disclosure may be used at different locations having different latitudes.
• the solar energy battery assemblies 3 are disposed parallel to the lateral shaft 2. Specifically, each solar energy battery assembly 3 is fixed on the lateral shaft 2 via two fixing blocks having the same heights.
• two supporting columns 8 are disposed at two sides of each pillar 5 in the lateral direction H and adjacent to the pillar 5.
• the supporting column 8 comprises a supporting bearing 81 cooperated with the lateral shaft 2.
• Two supporting columns 8 are disposed at two sides of each lateral universal joint 22 in the lateral direction H.
• the number of the lateral shafts 2 is odd, and the number of the lateral shafts 2 disposed at a first side of the driving device 4 is identical with that of the lateral shafts 2 disposed at a second side of the driving device 4. More preferably, in one embodiment of the present disclosure, when the number of the lateral shafts 2 is odd, the driving device 4 is disposed on the middle pillar 5. Therefore, the driving at the first and second sides of the driving device 4 may be balanced, and the transmission torque of the driving device 4 may be utilized at the maximum efficiency.
• the solar energy system includes three rows of lateral shafts 2 disposed parallel to each other, one column of longitudinal shaft 1, and three pillars 5.
• the driving device 4 is preferably disposed on one pillar 5 (i.e. the second pillar 5) that is right in the middle of the three rows.
• a base 52 is disposed at a bottom of each of the pillars 5 and a based 82 is disposed at a bottom of each of the supporting columns 8.
• the base 52 may improve the strength and stability of the pillar 5, similarly, the base 82 may improve the strength and stability of the column 8.
• the base 52 may be made of cement and fixed on the ground.
• the base 52 is connected to the pillar 5 via a fixed part, such as a screw.
• the base 52 may be made of other materials and connected to the pillar 5 in other ways, provided the requirements for the strength and the stability of the solar energy system are satisfied.

Landscapes

• Engineering & Computer Science (AREA)
• Life Sciences & Earth Sciences (AREA)
• Sustainable Development (AREA)
• Physics & Mathematics (AREA)
• Sustainable Energy (AREA)
• Thermal Sciences (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Photovoltaic Devices (AREA)

Applications Claiming Priority (4)

Publications (1)

Family

ID=49583121

Family Applications (1)

Country Status (1)

Cited By (8)

Citations (6)

• 2013
  • 2013-05-08 WO PCT/CN2013/075326 patent/WO2013170718A1/fr not_active Ceased

Patent Citations (6)

Similar Documents

Legal Events