CN101504202A - Autotracking link gear of solar concentrating photovoltaic power generation array - Google Patents
Autotracking link gear of solar concentrating photovoltaic power generation array Download PDFInfo
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- CN101504202A CN101504202A CNA2009101111782A CN200910111178A CN101504202A CN 101504202 A CN101504202 A CN 101504202A CN A2009101111782 A CNA2009101111782 A CN A2009101111782A CN 200910111178 A CN200910111178 A CN 200910111178A CN 101504202 A CN101504202 A CN 101504202A
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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
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Abstract
The invention discloses an automatic tracking linkage mechanism of a solar energy concentration photovoltaic power generating array, which comprises a solar concentrator array, an altitude linkage mechanism, and an azimuth linkage mechanism. The solar energy concentration photovoltaic power generating array drives the whole array of all concentrators to obliquely track a solar altitude through a set of altitude driving mechanism, and drives the whole array of all concentrators rotate around a transmission shaft to track a solar azimuth through a set of azimuth driving mechanism. The whole solar energy concentration photovoltaic power generating array only adopts the set of the altitude driving mechanism and the set of the azimuth driving mechanism, so that the whole array of all concentrators realize tracking the running of the sun by two-dimensional linkage, and the tracking cost is low; moreover, the altitude driving mechanism and the azimuth driving mechanism are formed by simple mechanisms completely, so that the whole solar energy concentration photovoltaic power generating array is manufactured easily, and has high tracking accuracy and strong capability of strong wind resistance.
Description
Technical field
The present invention relates to a kind of technical field of solar utilization technique, particularly relate to a kind of autotracking link gear of solar concentrating photovoltaic power generation array.
Background technology
Solar energy is a kind of regenerative resource of cleanliness without any pollution, and is inexhaustible; fully development and use solar energy not only can be saved exhausted day by day conventional energy resource; alleviate severe shortage of resources problem, but also can reduce pollution, the human ecological environment of depending on for existence of protection.In numerous solar utilization techniques, solar photovoltaic technology has realized being electric energy with conversion of solar energy directly, it is a kind of mode of utilizing of most convenient, it have safe and reliable to operation, need not fuel, noiseless, pollution-free, can utilize on the spot, advantage such as working service is easy, scale is changeable, thereby be subjected to the attention of countries in the world.
Though solar energy power generating has lot of advantages, in the evolution of photovoltaic generation, use cost is too high to be its key factor of applying rapidly of restriction always.One of its major reason is: the semi-conducting material that is used to produce solar cell costs an arm and a leg, and consumption is big, and causing with the solar cell is that the cost of the photovoltaic generating system of core is difficult to reduce significantly.
Conventional photovoltaic generating system generally is with the solar cell fixed installation, holds at high price, and is difficult to apply rapidly.The electric current of exporting under certain condition according to solar cell is directly proportional with the intensity of illumination of acceptance and increases and don't as for the feature that influences the photovoltaic cell life-span, people begin one's study and adopt optically focused and tracking technique, hope reduces the consumption of solar cell under the situation that obtains same electric energy, and the cost of the tracing collection that increases is equivalent to replace with common materials such as glassy metal the semi-conducting material of costliness far below the cost of the solar cell of being saved.States such as Germany, the U.S., Spain, Australia have all developed various light gathering photovoltaic power generating systems such as Fresnel Lenses optically focused, reflecting condensation respectively, the shortcoming of existing refraction optically focused is that light intensity uniformity is relatively poor, transmitance is difficult to improve, manufacturing cost is higher, the shortcoming of large-scale parabolic reflector optically focused is that the parabolic mirror manufacture difficulty is big, cost is higher, and speculum is broken easily, the whole windproof poor performance of mechanism.It is not obvious that these all cause the whole system cost performance to improve, and makes the advantage of light gathering photovoltaic power generating system be difficult to embody.Up to the present, only there is the light gathering photovoltaic power generating system of a small amount of test, exemplary in nature to put into operation.
Almost the speed increment of China's solar photovoltaic assembly output to be doubled every year, but the level of solar-photovoltaic technology development and utilization also lags behind developing countries such as India, Brazil not only far below developed country.Although there are good solar energy resources and photovoltaic cell manufacturing capacity in China, but the integral level of photovoltaic industry and developed country also have very big gap, the one, the production dependence on import of the employed crystalline silicon raw material of solar cell, raw material is in short supply, at present and even very long from now on one period, the space that cost descends is less, and the 2nd, solar energy photovoltaic system is used also seldom.
In recent years, the concentrating photovoltaic power generation technology generally adopted single column and the operation of rail mounted two-dimensional sun-tracing both at home and abroad, and because of adopting the unit two-dimensional tracking, it follows the tracks of the cost height.In order to reduce the tracking cost, now mainly adopt a cover follower to drive a large-scale concentrator operation, but along with the type size is amplified, its cost also is multiplied, less stable, tens tons large-scale concentrator is also very high to the basis requirement of field of employment, and this has limited the popularization of concentrating photovoltaic power generation technology greatly.
Summary of the invention
The object of the present invention is to provide a kind ofly be easy to make, with low cost, cost performance is high, have the autotracking link gear of the solar concentrating photovoltaic power generation array of higher tracking accuracy and anti-strong wind.
For achieving the above object, technical solution of the present invention is:
The present invention is a kind of autotracking link gear of solar concentrating photovoltaic power generation array, and it comprises solar concentrator array, elevation angle link gear, azimuth link gear and support; Described solar concentrator array is made of a plurality of solar concentrators, a side of each solar concentrator is hinged on the support, while connection side's parallactic angle link gear on this side, another side of each solar concentrator is hinged on the elevation angle link gear.
Described elevation angle link gear is made up of bearing block, liftable framework, parallelogram connection-rod, feed screw nut's driving mechanism or sprocket wheel chain drive mechanism; Each small-sized concentrator one middle side edge places on the bearing block, and on the hinged liftable framework of bearing block, another middle side edge of small-sized concentrator is hinged on the A-frame.
Described azimuth link gear mainly is made up of a plurality of rack-and-pinion transmission engaging mechanisms, a plurality of length of connecting rod governor motion, a plurality of connecting rod, feed screw nut's driving mechanism; Each connecting rod is arranged between the two rack-and-pinion transmission engaging mechanisms, a plurality of rack-and-pinion transmission engaging mechanisms are connected the bar series connection point-blank, the length of connecting rod governor motion of regulating length is set in the stage casing of each connecting rod, described feed screw nut's driving mechanism is installed in the outer end of outermost connecting rod, is used to drive connecting rod, rack-and-pinion transmission engaging mechanism along the straight line move left and right.
Described rack-and-pinion transmission engaging mechanism is made up of guide rail, tooth bar, semi-circle gear, ring flange; The body of described tooth bar slips in orbit of guide rail, tooth bar teeth and semi-circle gear engagement, semi-circle gear is fixed on the ring flange, and ring flange is socketed on the power transmission shaft of small-sized concentrator, and the power transmission shaft of small-sized concentrator is hinged on support by bearing and bearing block.
Described azimuth link gear adopts parallelogram linkage, and described parallelogram linkage is made up of many forks, adjustable link; Fork and concentrator one end are fixed, and can drive the concentrator swing, and fork and adjustable link are formed parallelogram linkage, can drive all small-sized concentrators and rotate 20 °-160 °.
The gear rotational angle of described semi-circle gear is 0 °-180 °.
After adopting such scheme, the present invention has the following advantages:
(1) because whole solar concentrating photovoltaic power generation array of the present invention only adopts a cover sun altitude driving mechanism and a cover solar azimuth driving mechanism, just can realize that sun operation is followed the tracks of in all concentrator two dimension interlocks of whole array, follow the tracks of with low cost.And because sun altitude driving mechanism and solar azimuth driving mechanism are entirely simple mechanical mechanism formation, easy to manufacture, the tracking accuracy height, the anti-strong wind ability is strong.
(2) because the present invention forms an optically focused array by the small-sized concentrator of multirow and multiple row, each concentrator appearance and size is less, in light weight, be easy to adopt the processing of punching press mass, the precision of concentrator can be guaranteed, and mounting process is simple, and it is minimum therefore to reach cost.
(3) because the size of each concentrator is little, in light weight, so windproof performance is good; The weight of whole optically focused array is evenly distributed on whole place, therefore is fit to be installed in roof and the not high place of foundation requirement, helps promoting the solar energy utilization in the more nervous city of land resource.
(4) owing to adopt the two dimension interlock to follow the tracks of sun operation, only need to adopt a cover sensor to receive sun run signal on the circuit, just can control driving mechanism by circuit and follow the tracks of the sun, it is minimum to reach automatically controlled cost.
(5) owing to change sun altitude every day very for a short time, adopt the inclination mode tracking sun altitude that links, its elevation angle is followed the tracks of the electric energy that is consumed can reach minimum.
In sum, the present invention compares with other large-scale concentrators, be easy to make, with low cost, cost performance is high, have higher tracking accuracy and anti-strong wind performance.
The present invention will be further described below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is a vertical view of the present invention;
Fig. 2 A is that concentrator array elevation angle of the present invention is followed the tracks of schematic diagram 60 ° of positions;
Fig. 2 B is that concentrator array elevation angle of the present invention is followed the tracks of schematic diagram 90 ° of positions;
Fig. 3 A is that elevation angle link gear of the present invention is at 60 ° of position views;
Fig. 3 B is that elevation angle link gear of the present invention is at 90 ° of position views;
Fig. 4 A is that schematic diagram is followed the tracks of at 45 ° of position pinion and racks in concentrator array of the present invention azimuth;
Fig. 4 B is that schematic diagram is followed the tracks of at 90 ° of position pinion and racks in concentrator array of the present invention azimuth;
Fig. 5 is that Fig. 2 is at I place partial enlarged drawing;
Fig. 6 be Fig. 5 along A to view;
Fig. 7 A is that schematic diagram is followed the tracks of at 45 ° of position parallelogram linkages in concentrator array of the present invention azimuth;
Fig. 7 B is that schematic diagram is followed the tracks of at 90 ° of position parallelogram linkages in concentrator array of the present invention azimuth;
Fig. 8 is the single condenser optics principle schematic of the present invention.
The specific embodiment
Shown in Fig. 1, Fig. 2 A, the present invention is a kind of autotracking link gear of solar concentrating photovoltaic power generation array, and it comprises solar concentrator array 1, azimuth link gear 2, elevation angle link gear 3 and support 5.
Described solar concentrator array 1 is made of a plurality of solar concentrators 4 (4 row 121,122,123,124 and 4 row 111,112,113,114), a side of each solar concentrator 4 is hinged on the support 5, while connection side's parallactic angle link gear 2 on this side, another side of each solar concentrator 4 is hinged on the elevation angle link gear 3.
Shown in Fig. 2 A, Fig. 2 B, described solar concentrating photovoltaic power generation array 1 promotes all solar concentrators 4 by an elevation angle link gear 3 and tilts to each sun altitude position constantly, shown in Fig. 2 A 60 ° and shown in Fig. 2 B 90 ° of diverse locations, thereby realize that the sun altitude interlock follows the tracks of.
Shown in Fig. 3 A, Fig. 3 B, described elevation angle link gear 3 is made up of bearing block 31, liftable framework 32, parallelogram connection-rod 33, feed screw nut's driving mechanism 34 or sprocket wheel chain drive mechanism (not marking among the figure).Each small-sized concentrator 4 one middle side edge places on the bearing block 31 by bearing, and on the bearing block 31 hinged liftable frameworks 32, small-sized concentrator 4 another middle side edge are hinged on the A-frame 5.The two ends of described liftable framework 32 are hinged on parallelogram connection-rod 33, and feed screw nut's driving mechanism 34 is hinged on the junction of parallelogram connection-rod 33.
Described elevation angle driving mechanism 34 promotes parallelogram connection-rod 33 motions, drive the parallel motion about in the of 32 of liftable framework by parallelogram connection-rod 33, guarantee all small-sized concentrator 4 angle of inclination unanimities, the interlock that reaches the solar concentrating photovoltaic power generation array elevation angle is followed the tracks of.
Shown in Fig. 4 A, Fig. 4 B, described azimuth link gear 2 mainly is made up of a plurality of rack-and-pinion transmission engaging mechanisms 21, a plurality of length of connecting rod governor motion 22, a plurality of connecting rod 23, feed screw nut's driving mechanism 24.Each connecting rod 23 is arranged between the two rack-and-pinion transmission engaging mechanisms 21, a plurality of rack-and-pinion transmission engaging mechanisms 21 are connected bar 23 series connection point-blank, the length of connecting rod governor motion 22 of regulating length is set in the stage casing of each connecting rod 23, described feed screw nut's driving mechanism 24 is installed in the outer end of outermost connecting rod 23, is used to drive connecting rod 23, rack-and-pinion transmission engaging mechanism 21 along the straight line move left and right.
As Fig. 5, shown in Figure 6, described rack-and-pinion transmission engaging mechanism 21 is made up of guide rail 211, tooth bar 212, semi-circle gear 213, ring flange 214.Described guide rail 211 is installed on the support 5, the body of tooth bar 212 slips in guide rail 211 tracks, tooth bar 212 teeth and semi-circle gear 213 engagements, semi-circle gear 213 is fixed on the ring flange 214, ring flange 214 is socketed on the power transmission shaft 41 of small-sized concentrator 4, and the power transmission shaft 41 of small-sized concentrator 4 is hinged on support 5 by bearing 42 and bearing block 43.The gear rotational angle of described semi-circle gear 213 is 0 °-180 °.
Described a plurality of rack-and-pinion transmission engaging mechanism 21 tooth bars 212 drive connecting rod 23 moving linearlies by electric pushrod by a plurality of length of connecting rod governor motions 22,23 series connection of a plurality of connecting rod point-blank, realize the interlock of unit azimuth; Be installed on the support 5 owing to slip the guide rail 211 of tooth bar 212, make the tracking of elevation angle not influence the transmission of rack-and-pinion; And tooth bar 212 places gear 213 tops, during motion, guarantee normal drive gap by guide rail 211, when not following the tracks of, gear 213 gaps are eliminated in deadweight by tooth bar 212 and each connecting rod 23 thereof, reduce to greatest extent to produce when small-sized concentrator 4 condenser frames are subjected to wind and carry and rock.
Shown in Fig. 7 A, Fig. 7 B, azimuth link gear 2 also can adopt parallelogram linkage 7 to realize interlock, and described parallelogram linkage 7 mainly is made up of a plurality of connecting rods 71, a plurality of length of connecting rod governor motion 72, feed screw nut's driving mechanism 73.Described connecting rod 71 is hinged with concentrator 4, forms one group of parallelogram connection-rod, promotes parallelogram connection-rod by feed screw nut's driving mechanism 73 and swings, and realizes 20 ° of-160 ° of tracking in azimuth thereby drive all concentrators.By adjusting length of connecting rod governor motion 72, make the initial angle unanimity of all concentrators 4.
As shown in Figure 8, each concentrator 4 is made up of cell panel 401, level crossing 402, condenser frame 403.Level crossing 402 is installed on the condenser frame 403, cell panel 401 is installed in condenser frame 403 tops, autotracking link gear by azimuth and elevation angle, make the cell panel 401 at vertical all the time concentrator 4 tops of sunray, guarantee that sunray is after the level crossing emission, be radiated at equably on the cell panel 401, reach several times optically focused.
Claims (6)
1, a kind of autotracking link gear of solar concentrating photovoltaic power generation array is characterized in that: it comprises solar concentrator array, elevation angle link gear, azimuth link gear and support; Described solar concentrator array is made of a plurality of solar concentrators, a side of each solar concentrator is hinged on the support, while connection side's parallactic angle link gear on this side, another side of each solar concentrator is hinged on the elevation angle link gear.
2, the autotracking link gear of solar concentrating photovoltaic power generation array according to claim 1 is characterized in that: described elevation angle link gear is made up of bearing block, liftable framework, parallelogram connection-rod, feed screw nut's driving mechanism or sprocket wheel chain drive mechanism; Each small-sized concentrator one middle side edge places on the bearing block, and on the hinged liftable framework of bearing block, another middle side edge of small-sized concentrator is hinged on the A-frame.
3, the autotracking link gear of solar concentrating photovoltaic power generation array according to claim 1 is characterized in that: described azimuth link gear mainly is made up of a plurality of rack-and-pinion transmission engaging mechanisms, a plurality of length of connecting rod governor motion, a plurality of connecting rod, feed screw nut's driving mechanism; Each connecting rod is arranged between the two rack-and-pinion transmission engaging mechanisms, a plurality of rack-and-pinion transmission engaging mechanisms are connected the bar series connection point-blank, the length of connecting rod governor motion of regulating length is set in the stage casing of each connecting rod, described feed screw nut's driving mechanism is installed in the outer end of outermost connecting rod, is used to drive connecting rod, rack-and-pinion transmission engaging mechanism along the straight line move left and right.
4, the autotracking link gear of solar concentrating photovoltaic power generation array according to claim 3 is characterized in that: described rack-and-pinion transmission engaging mechanism is made up of guide rail, tooth bar, semi-circle gear, ring flange; The body of described tooth bar slips in orbit of guide rail, tooth bar teeth and semi-circle gear engagement, semi-circle gear is fixed on the ring flange, and ring flange is socketed on the power transmission shaft of small-sized concentrator, and the power transmission shaft of small-sized concentrator is hinged on support by bearing and bearing block.
5, the azimuthal autotracking link gear of solar concentrating photovoltaic power generation array according to claim 1, it is characterized in that: described azimuth link gear adopts parallelogram linkage, and described parallelogram linkage is made up of many forks, adjustable link; Fork and concentrator one end are fixed, and can drive the concentrator swing, and fork and adjustable link are formed parallelogram linkage, can drive all small-sized concentrators and rotate 20 °-160 °.
6, the autotracking link gear of solar concentrating photovoltaic power generation array according to claim 4 is characterized in that: the gear rotational angle of described semi-circle gear is 0 °-180 °.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2009101111782A CN101504202A (en) | 2009-03-02 | 2009-03-02 | Autotracking link gear of solar concentrating photovoltaic power generation array |
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| CNA2009101111782A CN101504202A (en) | 2009-03-02 | 2009-03-02 | Autotracking link gear of solar concentrating photovoltaic power generation array |
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| CN102419013A (en) * | 2011-12-07 | 2012-04-18 | 中国科学院电工研究所 | Linkage small-sized heliostat system |
| CN102621996A (en) * | 2012-04-15 | 2012-08-01 | 苏州金山太阳能科技有限公司 | Linked uniaxial solar tracker system and rotational drive mechanism thereof |
| CN102637043A (en) * | 2012-04-20 | 2012-08-15 | 杭州帷盛太阳能科技有限公司 | Roof single-axis photovoltaic tracking system |
| CN102681552A (en) * | 2012-05-25 | 2012-09-19 | 集美大学 | Two-dimensional sun tracking device for storage-free photovoltaic pump |
| CN103066137A (en) * | 2011-10-20 | 2013-04-24 | 上海能辉电力科技有限公司 | Solar energy photovoltaic double-axle array linkage tracking power generation device |
| CN103097829A (en) * | 2010-05-28 | 2013-05-08 | 克博蒂克斯公司 | Heliostat repositioning system and method |
| CN104076824A (en) * | 2014-07-02 | 2014-10-01 | 浙江大学 | Linear Fresnel focusing and tracking device based on rod drive |
| CN104753452A (en) * | 2013-12-27 | 2015-07-01 | 内蒙古科盛太阳能科技有限责任公司 | Solar two-dimensional tracking support |
| CN105387638A (en) * | 2014-09-09 | 2016-03-09 | 北京兆阳光热技术有限公司 | Solar heat collection tracking driving unit and array and heat collection device |
| US9506783B2 (en) | 2010-12-03 | 2016-11-29 | Solarcity Corporation | Robotic heliostat calibration system and method |
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| CN112260312A (en) * | 2020-10-12 | 2021-01-22 | 无为县海峰纸箱有限公司 | Multi-combination device of large-scale solar photovoltaic grid-connected power generation system |
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| CN101976976B (en) * | 2010-10-21 | 2012-11-14 | 屈良 | Steel cable type array linkage solar utilization diagonal axis tracking mechanism |
| CN101976976A (en) * | 2010-10-21 | 2011-02-16 | 屈良 | Steel cable type array linkage solar utilization diagonal axis tracking mechanism |
| US9506783B2 (en) | 2010-12-03 | 2016-11-29 | Solarcity Corporation | Robotic heliostat calibration system and method |
| CN103066137A (en) * | 2011-10-20 | 2013-04-24 | 上海能辉电力科技有限公司 | Solar energy photovoltaic double-axle array linkage tracking power generation device |
| CN102419013B (en) * | 2011-12-07 | 2013-01-09 | 中国科学院电工研究所 | Linkage small-sized heliostat system |
| CN102419013A (en) * | 2011-12-07 | 2012-04-18 | 中国科学院电工研究所 | Linkage small-sized heliostat system |
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| CN104753452A (en) * | 2013-12-27 | 2015-07-01 | 内蒙古科盛太阳能科技有限责任公司 | Solar two-dimensional tracking support |
| CN104076824A (en) * | 2014-07-02 | 2014-10-01 | 浙江大学 | Linear Fresnel focusing and tracking device based on rod drive |
| CN104076824B (en) * | 2014-07-02 | 2016-04-13 | 浙江大学 | A kind of linear Fresnel condensing tracking device based on link transmission |
| CN105387638B (en) * | 2014-09-09 | 2019-01-18 | 北京兆阳光热技术有限公司 | A kind of solar energy heating tracking driving unit, array and heat collector |
| CN105387638A (en) * | 2014-09-09 | 2016-03-09 | 北京兆阳光热技术有限公司 | Solar heat collection tracking driving unit and array and heat collection device |
| CN106330076A (en) * | 2016-10-08 | 2017-01-11 | 潍坊强胜新能源有限公司 | Single-drive double-shaft linkage tracking mechanism for distributed solar lighting array |
| CN106330076B (en) * | 2016-10-08 | 2018-11-09 | 潍坊强胜新能源有限公司 | A kind of distribution sun daylighting array list driving Dual-spindle linked tracking mechanism |
| CN108549416A (en) * | 2018-07-12 | 2018-09-18 | 齐丽霞 | Photovoltaic panel daylight method for tracing and device |
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| CN112260312A (en) * | 2020-10-12 | 2021-01-22 | 无为县海峰纸箱有限公司 | Multi-combination device of large-scale solar photovoltaic grid-connected power generation system |
| CN113377132A (en) * | 2021-05-07 | 2021-09-10 | 青岛科技大学 | Intelligent glass plate of MEMS (micro-electromechanical system) micro-mirror array for tracking and condensing light |
| CN114520622A (en) * | 2021-12-28 | 2022-05-20 | 汉摩尼(江苏)光电科技有限公司 | Tracking type photovoltaic power generation equipment with high conversion rate and working method thereof |
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