CN101478266B - Asymmetric light concentration tracking photovoltaic system - Google Patents
Asymmetric light concentration tracking photovoltaic system Download PDFInfo
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- CN101478266B CN101478266B CN2009100027588A CN200910002758A CN101478266B CN 101478266 B CN101478266 B CN 101478266B CN 2009100027588 A CN2009100027588 A CN 2009100027588A CN 200910002758 A CN200910002758 A CN 200910002758A CN 101478266 B CN101478266 B CN 101478266B
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- condenser
- main shaft
- drive
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- solar module
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention relates to an asymmetric light-concentrating tracking photovoltaic system which belongs to the solar application field and is characterized in that optical collectors are arranged on two sides of a solar module in an asymmetric manner, the wind resistance is small, and the structural cost is low. In the asymmetric light-concentrating tracking photovoltaic system, a jacketing wheel is arranged at the end part of a bushing; an L-type bracket is fixedly installed on a main shaft inside the bushing; and a driving wheel on the L-type bracket is movably connected with a light-concentrating bracket through a locating stud arranged close to the edge of the driving wheel. The asymmetric light-concentrating tracking photovoltaic system adopts the main shaft to point to the north star and adopts a two-dimensional autotracker so as to enable the light-concentrating solar module to aim at the sun from instant to instant year by year, thereby increasing the power generation capacity. Therefore, the solar power generation cost is lowered greatly and permanently. The two-dimensional autotracker is also widely applied to various solar photovoltaic systems, solar photothermic systems, celestial body observation equipment and solar research instruments.
Description
One, technical field
The present invention relates to a kind of asymmetric light concentration tracking photovoltaic system, belong to the Application of Solar Energy field.
Two, background technology
The spotlight tracking technology is that world's solar energy circle is used for reducing significantly the high-tech means of solar power system cost.States such as the U.S., Spain, France have built up several solar power stations, but most just one dimensions are that two kinds of tracking are independently carried out separately from motion tracking and adopt the photovoltaic system of two-dimensional tracking, and cover motor, mechanical reducer and an electronic control system respectively arranged, make it complex structure, the cost height.Reflecting and condensing device below three times all adopts the solar module bilateral symmetry that the mode of condenser is set, and makes windage big, requires the wind loading rating of mechanical structure to strengthen, and manufacturing cost increases.
Three, summary of the invention
The object of the present invention is to provide motor of a kind of need, can realize that once cover deceleration machinery and an electronic controller two dimension is from motion tracking; Provide a kind of windage little simultaneously, cost is low, asymmetric light concentration tracking photovoltaic system simple in structure.
Technical solution: asymmetric light concentration tracking photovoltaic system comprises: condensation photovoltaic frame and track frame, and the condensation photovoltaic frame comprises: solar module, first condenser, second condenser, optically focused support; Track frame comprises: underframe, tracking control unit, positioning screw, sleeve pipe, main shaft, drive, connecting rod, alignment pin, L type support, combined wheels, steamboat, wheel, season axle, the solar module both sides are provided with first condenser and second condenser, first condenser of solar module both sides and second condenser are asymmetric setting, cannula tip is provided with wheel, be provided with main shaft in the sleeve pipe, the main shaft other end by season axle with optically focused support flexible connection, be installed with L type support on the main shaft, L type support is provided with drive and combined wheels, steamboat is coaxial with combined wheels and fixedly connected, steamboat and drive are meshing, combined wheels and wheel are meshing, be provided with alignment pin near the edge of drive, alignment pin flexibly connects by connecting rod and optically focused support.
Asymmetric light concentration tracking photovoltaic system comprises: condensation photovoltaic frame and track frame, and the condensation photovoltaic frame comprises: solar module, first condenser, second condenser, optically focused support; Track frame comprises: underframe, tracking control unit, positioning screw, sleeve pipe, main shaft, drive, connecting rod, alignment pin, L type support, combined wheels, steamboat, wheel, season axle, the solar module both sides are provided with first condenser and second condenser, first condenser of solar module both sides and second condenser are asymmetric setting, cannula tip is provided with wheel, be provided with main shaft in the sleeve pipe, the main shaft other end by season axle with optically focused support flexible connection, be installed with L type support on the main shaft, L type support is provided with drive, drive and wheel are meshing, be provided with alignment pin near the edge of drive, alignment pin flexibly connects by connecting rod and optically focused support.
First condenser is identical with the second condenser length, and the width of first condenser is greater than the width of second condenser.
Be equipped with ventilation gap between first condenser and second condenser and the solar module.
The inclination alpha of first condenser is greater than the angle of inclination beta of second condenser.
45°＜α＜90°，45°＜β＜90°。
Alignment pin is positioned at drive topmost or bottom the time, angle of cut θ=90 between main shaft and the optically focused support active connection place ° optically focused support full swing angle is the angle of cut between the normal on the axis of rotation of the earth and the earth moves round the sun plane, and the size of the angle of cut is an acute angle.
The present invention is owing to adopt two asymmetric settings of condenser, make overall structure middle high, both sides are low, be convenient to flowing of wind, owing to leave ventilation gap between condenser and the solar module, reduced windage again, the requirement of strength of mechanical structure has been reduced greatly, reduced production cost, the light concentrating times of the condenser of this asymmetric setting also can be adjusted as required.
The present invention is owing to adopt the relative tooth between combined wheels that revolves round the sun together along with main shaft and the wheel of fixing moving, make combined wheels not only with the main shaft revolution but also produce rotation simultaneously, this rotation is passed to drive by the steamboat on the combined wheels with rotatory force again, after alignment pin and connecting rod power is passed on the optically focused support, make the optically focused support finish shuttle-type second dimension (being the season axle) pursuit movement, this second dimension tracking structure is simple, reliable, greatly reduces cost.
The present invention improves more than two times the generating capacity of solar module owing to adopting asymmetric optically focused and two dimension from motion tracking simultaneously, and the fixed solar module identical with energy output compared, and cost reduces more than 40%.From electric weight that motion tracking consumed less than 1% of this photovoltaic system self generating total amount.
The present invention adopts commercially available solar module to carry out low-concentration, does not need to transform, and has guaranteed to reach useful life more than 25 years.
The present invention is convenient to be used for building large-scale grid-connected photovoltaic power station, or independent family photovoltaic system, can reduce the photovoltaic generation cost significantly.
Two-dimentional autotracker of the present invention also can be widely used in various photovoltaics, photo-thermal system and astronomical observation, the heliology instrument and equipment.
Four, description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a condensation photovoltaic frame end view of the present invention;
Fig. 3 is the present invention's second dimension tracking structure schematic diagram.
Five, embodiment
Embodiment 1
The present invention includes condensation photovoltaic frame and track frame, the condensation photovoltaic frame comprises: solar module 1, first condenser 2, second condenser 3, optically focused support 4; Track frame comprises: underframe 5, tracking control unit 6, positioning screw 7, sleeve pipe 8, main shaft 9, drive 10, connecting rod 11, alignment pin 12, L type support 13, combined wheels 14, steamboat 15, wheel 16, first condenser 2 of solar module 1 both sides and second condenser 3 are asymmetric setting, first condenser 2 is identical with second condenser, 3 length, and the width of first condenser 2 is bigger 1 times than the width of second condenser 3.
The inclination alpha of first condenser 2 is greater than the angle of inclination beta of second condenser 3, and the α angle is bigger 6 °-7 ° than β angle.
The first dimension main shaft of the present invention (this day axle) is followed the tracks of and is: main shaft 9 directed north stars, tracking control unit 6 control main shafts 9 whenever rotate a circle round the clock, moving by the wheel 16 that is fixed on the sleeve pipe 8 with the relative tooth between the combined wheels 14, power is passed on the combined wheels 14, make combined wheels 14 not only with main shaft 9 revolution but also produce rotation simultaneously, combined wheels 14 has just been accepted the power that first dimension is followed the tracks of, by the steamboat on the combined wheels 14 15 power is passed to drive 10 again, after alignment pin 12 with connecting rod 11 power is passed on the optically focused support 4, make optically focused support 4 finish shuttle-type second dimension (being the season axle) tracing task, when the alignment pin on the drive 10 12 forwards peak or minimum point to, equinox then just, at this moment
The angle is 90 °, follows the tracks of the starting point of installing from this angle as second dimension, rotates according to this, just can make the condensation photovoltaic frame face the sun constantly, has realized the best generating of solar module 1.
1 of solar module of the present invention be direct current, can directly store in the storage battery, become 220 volts or 380 volts of alternating currents through inverter, the electricity consumption of supply isolated user.
The present invention is used for building large-scale being incorporated into the power networks during solar power station, do not need storage battery, only need many asymmetric light concentration tracking photovoltaic system electricity, on demand electric pressure parallel connection or tandem compound, be incorporated into the power networks through combining inverter and big electrical network, form a part of big power network.
The present invention includes condensation photovoltaic frame and track frame, the condensation photovoltaic frame comprises: solar module 1, first condenser 2, second condenser 3, optically focused support 4; Track frame comprises: underframe 5, tracking control unit 6, positioning screw 7, sleeve pipe 8, main shaft 9, drive 10, connecting rod 11, alignment pin 12, L type support 13, wheel 16, first condenser 2 of solar module 1 both sides and second condenser 3 are asymmetric setting, first condenser 2 is identical with second condenser, 3 length, and the width of first condenser 2 is bigger 1 times than the width of second condenser 3.
The inclination alpha of first condenser 2 is greater than the angle of inclination beta of second condenser 3, and the α angle is bigger 6 °-7 ° than β angle.
The first dimension main shaft of the present invention (this day axle) is followed the tracks of and is: main shaft 9 directed north stars, tracking control unit 6 control main shafts 9 whenever rotate a circle round the clock, moving by the wheel 16 that is fixed on the sleeve pipe 8 with the relative tooth between the drive 10, power is passed on the drive 10, make drive 10 not only with main shaft 9 revolution but also produce rotation simultaneously, drive 10 has just been accepted the power that first dimension is followed the tracks of, power is passed on the optically focused support 4 through alignment pin 12 and connecting rod 11 again, make optically focused support 4 finish shuttle-type second dimension (being the season axle) tracing task, when the alignment pin on the drive 10 12 forwards peak or minimum point to, equinox then just, at this moment
The angle is 90 °, follows the tracks of the starting point of installing from this angle as second dimension, rotates according to this, just can make the condensation photovoltaic frame face the sun constantly, has realized the best generating of solar module 1.
Claims (9)
1. asymmetric light concentration tracking photovoltaic system comprises: condensation photovoltaic frame and track frame, and the condensation photovoltaic frame comprises: solar module (1), first condenser (2), second condenser (3), optically focused support (4); Track frame comprises: underframe (5), tracking control unit (6), positioning screw (7), sleeve pipe (8), main shaft (9), drive (10), connecting rod (11), alignment pin (12), L type support (13), combined wheels (14), steamboat (15), wheel (16), season axle (17), solar module (1) both sides are provided with first condenser (2) and second condenser (3), it is characterized in that: first condenser (2) of solar module (1) both sides and second condenser (3) are asymmetric setting, sleeve pipe (8) end is provided with wheel (16), be provided with main shaft (9) in the sleeve pipe (8), main shaft (9) other end flexibly connects by season axle (17) and optically focused support (4), be installed with L type support (13) on the main shaft (9), L type support (13) is provided with drive (10) and combined wheels (14), steamboat (15) is coaxial with combined wheels (14) and fixedly connected, steamboat (15) is meshing with drive (10), combined wheels (14) is meshing with wheel (16), be provided with alignment pin (12) near the edge of drive (10), alignment pin (12) flexibly connects by connecting rod (11) and optically focused support (4).
2. asymmetric light concentration tracking photovoltaic system comprises: condensation photovoltaic frame and track frame, and the condensation photovoltaic frame comprises: solar module (1), first condenser (2), second condenser (3), optically focused support (4); Track frame comprises: underframe (5), tracking control unit (6), positioning screw (7), sleeve pipe (8), main shaft (9), drive (10), connecting rod (11), alignment pin (12), L type support (13), combined wheels (14), steamboat (15), wheel (16), season axle (17), solar module (1) both sides are provided with first condenser (2) and second condenser (3), it is characterized in that: first condenser (2) of solar module (1) both sides and second condenser (3) are asymmetric setting, sleeve pipe (8) end is provided with wheel (16), be provided with main shaft (9) in the sleeve pipe (8), main shaft (9) other end flexibly connects by season axle (17) and optically focused support (4), be installed with L type support (13) on the main shaft (9), L type support (13) is provided with drive (10), drive (10) is meshing with wheel (16), be provided with alignment pin (12) near the edge of drive (10), alignment pin (12) flexibly connects by connecting rod (11) and optically focused support (4).
3. asymmetric light concentration tracking photovoltaic system according to claim 1 and 2 is characterized in that: first condenser (2) is identical with second condenser (3) length, and the width of first condenser (2) is greater than the width of second condenser (3).
4. asymmetric light concentration tracking photovoltaic system according to claim 3 is characterized in that: be equipped with ventilation gap between first condenser (2) and second condenser (3) and the solar module (1).
5. asymmetric light concentration tracking photovoltaic system according to claim 4 is characterized in that: the inclination alpha of first condenser (2) is greater than the angle of inclination beta of second condenser (3).
6. asymmetric light concentration tracking photovoltaic system according to claim 5 is characterized in that: 45 °＜α＜90 °, and 45 °＜β＜90 °.
7. according to claim 1 or 2 or described asymmetric light concentration tracking photovoltaic system, it is characterized in that: drive (10) needed time that whenever rotates a circle is 1 year.
8. asymmetric light concentration tracking photovoltaic system according to claim 1 and 2 is characterized in that: alignment pin (12) is positioned at drive (10) topmost or bottom the time, angle of cut θ=90 between main shaft (9) and optically focused support (4) active connection place °
9. asymmetric light concentration tracking photovoltaic system according to claim 1 and 2 is characterized in that: optically focused support (4) full swing angle is the angle of cut between the normal on the axis of rotation of the earth and the earth moves round the sun plane, and the angle of cut is an acute angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100027588A CN101478266B (en) | 2009-01-20 | 2009-01-20 | Asymmetric light concentration tracking photovoltaic system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100027588A CN101478266B (en) | 2009-01-20 | 2009-01-20 | Asymmetric light concentration tracking photovoltaic system |
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| CN101478266A CN101478266A (en) | 2009-07-08 |
| CN101478266B true CN101478266B (en) | 2010-12-08 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101917138B (en) * | 2010-07-19 | 2013-03-27 | 常州天合光能有限公司 | All-day-domain hydraulic-driven photovoltaic tracking system |
| CN103034240B (en) * | 2011-10-10 | 2015-11-25 | 周世勃 | Single-degree-of-freedom Sun light compensation type photovoltaic tracking system |
| CN105756872B (en) * | 2016-02-19 | 2018-09-18 | 上海光岚新能源科技有限公司 | A kind of solar tower photo-thermal and photovoltaic power generation apparatus and its electricity-generating method |
| CN105932938A (en) * | 2016-07-17 | 2016-09-07 | 成都聚合追阳科技有限公司 | Main beam diagonal strut for concentrating photovoltaic power generation system |
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