CN102509738A - Solar panel single-axis sun tracking system and method thereof - Google Patents

Solar panel single-axis sun tracking system and method thereof Download PDF

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Publication number
CN102509738A
CN102509738A CN2011103710329A CN201110371032A CN102509738A CN 102509738 A CN102509738 A CN 102509738A CN 2011103710329 A CN2011103710329 A CN 2011103710329A CN 201110371032 A CN201110371032 A CN 201110371032A CN 102509738 A CN102509738 A CN 102509738A
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China
Prior art keywords
solar panel
solar
sun
rotation
supporter
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CN2011103710329A
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Chinese (zh)
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瞿磊
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SUZHOU GAIA INTELLIGENT TECHNOLOGY Co Ltd
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SUZHOU GAIA INTELLIGENT TECHNOLOGY Co Ltd
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Priority to CN2011103710329A priority Critical patent/CN102509738A/en
Publication of CN102509738A publication Critical patent/CN102509738A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

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Abstract

The invention discloses a solar panel single-axis tracking system and a method thereof. According to the latitude of a region utilizing the solar energy, a solar panel is fixedly mounted on a horizontal mounting surface and form an included angle equal to the latitude with the mounting surface; and driven by a driving force, the solar panel rotates to synchronize the change of the positions of the sun along an axial line perpendicular to the horizontal plane, and rotation angles are controlled to meet the demand that the current position of the sun is always on the central surface of the solar panel. Therefore, the solar panel is driven only in one rotation direction to track the run. Compared with a fixedly mounted solar panel and a conventional sun tracking system regulated via two rotary axes, the single-axis sun tracking system provided by the invention can effectively enlarges the light receiving area of the solar panel in the morning and the evenfall by more than 50 percent from zero, so as to improve daily power generation efficiency, effectively save the cost and the energy consumption of the structure and the control, and meet the demand of a small-sized application system on the photo electricity conversion efficiency of the solar panel.

Description

The single shaft solar tracking method and the system thereof of solar panel
Technical field
The present invention relates to a kind of popular solar energy application system, relate in particular to a kind of method and system thereof that realizes solar tracking to the solar panel low cost movement.
Background technology
Solar energy is extensively paid attention to by people institute as a kind of regenerative resource at present, and especially solar energy power generating more and more receives people's favor.As everyone knows; In the photoelectric conversion rate photovoltaic generating system of solar panel crucial effects is arranged; Therefore be engaged in those skilled in the art's ground innovation and creation of always enjoying it and go out to improve the method for photoelectric conversion rate; Comprise the material that changes the solar cell intralamellar part, improve production technology of solar panel or the like.Simultaneously, can improve an effective light-receiving area and a day energy output of solar components through tracking to sunlight.
Traditional solar energy sun-following system can make the light-receiving area of solar panel reach maximum, improves photoelectric conversion efficiency and energy output, but since its complex structure, poor stability, cost is high, and application surface is narrow, can only be applicable to powerful system.As shown in Figure 1 traditional solar energy sun-following system; Need carry out driving and precision control on corresponding first rotating shaft 51 and second rotating shaft, 52 both directions to solar panel 1; Certainly will cause and control cost and the increase of energy consumption, low power relatively application system, its cost performance is not high.
Summary of the invention
In view of the defective that above-mentioned prior art exists, the objective of the invention is to propose the single shaft solar tracking method and the implementation system thereof of solar panel.
Above-mentioned first purpose of the present invention; A kind of single shaft solar tracking method of solar panel; It is characterized in that: according to the latitude of Application of Solar Energy region of living in; On the installed surface of level be angle fixed installation solar panel with the latitude, one in the actuating force lower edge synchronous position of sun conversion of the axis rotation perpendicular to horizontal plane of solar panel, and the current location that the rotation angle satisfies the sun is among the center line face of solar panel constantly.
Further, said solar panel carries out controlled rotation and resets along axis in 0~180 ° angular range.
Above-mentioned second purpose of the present invention; A kind of system of solar panel single shaft solar tracking method; It is characterized in that: comprise a supporter that is vertical on the horizontal mounting surface; Be located at the solar panel that is fixedly attached on supporter; A drive unit and a control device that is used to control supporter rotation angle that drives the solar panel rotation, angle is the latitude of Application of Solar Energy region of living between wherein said solar panel and horizontal mounting surface, and the control device output current location that satisfies the sun is in the drive unit that controls signal among the center line face of solar panel constantly.
Further, said supporter is elongated axostylus axostyle, and axostylus axostyle bottom is driven with drive unit and joined.
Further; Said supporter is a geometry column shape; Comprise as the main body of fixed structure and the rotation track of the flat-shaped set annular of main body top water; And rotation track and drive unit are driven to join, and the geometric center of said solar panel is concentric relative with rotation track, and the inclination lower edge of solar panel and rotation track Joint.
Use technical scheme of the present invention; Compare to the sun tracking system of hard-wired solar panel and traditional diaxon rotation adjustment; Its outstanding effect is: the light-receiving area of the solar panel during in the morning with the dusk in a day has been brought up to more than 50% from 0 effectively; Improve a day generating efficiency, and effectively saved structure and cost and the energy consumption controlled, satisfied the photoelectric conversion efficiency of solar panel in the compact applications system.
Following constipation closes the embodiment accompanying drawing, and specific embodiments of the invention is done further to detail, so that technical scheme of the present invention is easier to understand, grasp.
Description of drawings
Fig. 1 is the structural representation sketch of traditional sun tracking system;
Fig. 2 is the structural representation that solar tracking method of the present invention realizes system;
Fig. 3 is the running sketch map of one embodiment of the present invention;
Fig. 4 is the running sketch map of another preferred embodiment of the present invention.
Embodiment
The photoelectric conversion rate of solar panel has crucial effects in photovoltaic generating system; Therefore; Be engaged in those skilled in the art's ground innovation and creation of always enjoying it and go out to improve the method for photoelectric conversion rate; Comprise the material that changes the solar cell intralamellar part, improve processing technology of solar panel or the like.Simultaneously, through tracking, also be the effective light-receiving area that improves solar components, and then effectively improve the important means of day energy output sunlight.
In view of prior art generally adopts fixed installation solar panel (hereinafter to be referred as PV) or adopts diaxon rotation adjustment PV to realize that there is many-sided serious deficiency in the mode of solar tracking, is difficult to be applicable to the photoelectric conversion efficiency of solar panel in the compact applications system.
Summarize the technical scheme that the present invention realizes low-cost solar tracking, it mainly realizes solar tracking through accurate control single shaft rotation.As shown in Figure 2; Latitude according to Application of Solar Energy region of living in; On the installed surface of level, be angle fixed installation solar panel 1 with latitude θ; The synchronous position of sun conversion of one in the actuating force lower edge axis of solar panel (relying on supporter) rotation perpendicular to horizontal plane, and the current location that the rotation angle satisfies the sun is among the center line face of solar panel constantly.The diagram supporter is elongated axostylus axostyle 21, and it also can be other arbitrary structures form certainly.
Wherein, the center line face of solar panel is and the symmetrical centre face of solar panel vertical interlaced that more properly describe: rotation also is positioned among this center line face.This solar panel carries out controlled rotation and resets along axis in 0~180 ° angular range.
More specifically see: different according to the each department latitude, be fixed angle with horizontal mounting surface when making PV be installed on supporter, this angle is the local latitude angle, and PV can be vertical with the sunlight angle during Winter Solstice in assurance; Supporter can be by an axis rotation perpendicular to horizontal plane simultaneously.The control anglec of rotation guarantees that the position of the sun is in the center line face of PV constantly, thereby improves effective light-receiving area of PV.
Because every day, the irradiation of sunlight direction was that revolution and rotation rule by the earth determines, so can calculate the residing position of the sun according to this rule and local latitude and time.Control section in this PV sun tracking system preferentially is the rotation that axle is controlled whole system with time; In control, will cook up a plurality of chronomeres daytime; And according to the sun present position that calculates in each chronomere, control PV azimuth guarantees that the sun is in the center line face of PV.
Again from hardware structure; The system of solar panel single shaft solar tracking method of the present invention; Comprise a supporter that is vertical on the horizontal mounting surface; Be located at the solar panel that is fixedly attached on supporter; A drive unit and a control device that is used to control supporter rotation angle that drives the solar panel rotation, wherein angle is the latitude θ of Application of Solar Energy region of living between PV and horizontal mounting surface, and the control device output current location that satisfies the sun is in the drive unit that controls signal among the center line face of solar panel constantly.
Specify this single shaft sun tracking system from concrete application, as shown in Figure 3, be the running sketch map of one embodiment of the present invention.Visible from illustrating: this supporter is elongated axostylus axostyle 21 present embodiment, and the axostylus axostyle bottom is driven with drive unit and joined.Solar panel 1 rises one day change in location that the west falls according to sun east, under the rotation of axostylus axostyle 21 drives all the time towards solar irradiation.According to aforementioned diurnal variation rule to position of sun, can appropriate design supporter rotation angle, thus control is satisfied the current location of the sun and is in constantly among the center line face of solar panel.Here, axostylus axostyle 21 can adopt and drive rolling bearing realization rotation; Solar panel then can be various standard geometrical shapes, for example circular, square or rectangle.
More than be the principle control mode of present embodiment sun tracking system, in addition, according to many difference of application requirements, its control mode also has following multiple mode.
Promptly can calculate the time of the setting sun corresponding to the earth position relation different with the sun according to the different latitude Various Seasonal; The system that arrives after this time will control PV and turn in the east; The solar tracking control system quits work and waits for that m seq begins second day work, can guarantee efficient and reliability that system is higher like this.
Can judge weather conditions according to the PV output voltage, can be judged to be overcast and rainyly when the PV output voltage is low that this magnitude of voltage can obtain according to different PV characteristics, geographical position and overcast and rainy intensity of illumination test when daytime.When this PV output voltage values is lower than this voltage and is higher than minimum operating voltage owing to be overcast and rainy, PV towards little with the correlation of generating capacity, do not need the solar tracking action, wait for voltage raise be non-when overcast and rainy control PV towards forwarding accurate position fast to.When the PV output voltage was lower than minimum operating voltage, can not there be output in system, did not therefore need the solar tracking action.
As shown in Figure 4, be the running sketch map of another preferred embodiment of the present invention.Visible from illustrating; This supporter is a geometry column shape; Comprise as the main body 22 of fixed structure and the rotation track 221 of the flat-shaped set annular of main body top water; And rotation track 221 is driven with drive unit (not shown) to join, and the geometric center of this solar panel 1 is concentric relative with rotation track, and the inclination lower edge of solar panel 1 and rotation track 221 Joints.In the present embodiment; Adopt motor to make drive source, drive rolling bearing and drive rotation track 221 rotations (mechanical known technology is so will not illustrate and give unnecessary details); Drive the solar panel and the sun thus and keep the most reasonably irradiated area, thus the day energy output of raising solar energy.
This shows; Use technical scheme of the present invention, compare to the sun tracking system of hard-wired solar panel and traditional diaxon rotation adjustment, can the light-receiving area of the solar panel during in the morning with the dusk in a day have been brought up to more than 50% from 0 effectively; Improved a day generating efficiency; And effectively saved structure and cost and the energy consumption controlled, satisfied the photoelectric conversion efficiency of solar panel in the compact applications system, also the application to solar energy has impetus.
The present invention still has numerous embodiments, and all employing equivalents or equivalent transformation and all technical schemes of forming all drop within protection scope of the present invention.

Claims (5)

1. the single shaft solar tracking method of solar panel; It is characterized in that: according to the latitude of Application of Solar Energy region of living in; It on the installed surface of level is angle fixed installation solar panel with the latitude; One in the actuating force lower edge synchronous position of sun conversion of the axis rotation perpendicular to horizontal plane of solar panel, and the current location that the rotation angle satisfies the sun is among the center line face of solar panel constantly.
2. the single shaft solar tracking method of solar panel according to claim 1 is characterized in that: said solar panel carries out controlled rotation and resets along axis in 0~180 ° angular range.
3. system that realizes the said solar panel single shaft of claim 1 solar tracking method; It is characterized in that: comprise a supporter that is vertical on the horizontal mounting surface; Be located at the solar panel that is fixedly attached on supporter; A drive unit and a control device that is used to control supporter rotation angle that drives the solar panel rotation; Angle is the latitude of Application of Solar Energy region of living between wherein said solar panel and horizontal mounting surface, and the control device output current location that satisfies the sun is in the drive unit that controls signal among the center line face of solar panel constantly.
4. solar panel single shaft sun tracking system according to claim 3 is characterized in that: said supporter is elongated axostylus axostyle, and axostylus axostyle bottom is driven with drive unit and joined.
5. solar panel single shaft sun tracking system according to claim 3; It is characterized in that: said supporter is a geometry column shape; Comprise as the main body of fixed structure and the rotation track of the flat-shaped set annular of main body top water; And rotation track and drive unit are driven to join, and the geometric center of said solar panel is concentric relative with rotation track, and the inclination lower edge of solar panel and rotation track Joint.
CN2011103710329A 2011-11-21 2011-11-21 Solar panel single-axis sun tracking system and method thereof Pending CN102509738A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN2011103710329A CN102509738A (en) 2011-11-21 2011-11-21 Solar panel single-axis sun tracking system and method thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114167903A (en) * 2021-12-15 2022-03-11 北京玻锐特科技有限公司 Solar photovoltaic system and sun tracking mechanism

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101056076A (en) * 2007-06-18 2007-10-17 马兆瑞 Solar battery board sun-tracking rotation platform
CN201601626U (en) * 2009-12-29 2010-10-06 江阴博润新能源科技有限公司 Inclined shaft type side-thrusting single-shaft solar energy following mechanism

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101056076A (en) * 2007-06-18 2007-10-17 马兆瑞 Solar battery board sun-tracking rotation platform
CN201601626U (en) * 2009-12-29 2010-10-06 江阴博润新能源科技有限公司 Inclined shaft type side-thrusting single-shaft solar energy following mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114167903A (en) * 2021-12-15 2022-03-11 北京玻锐特科技有限公司 Solar photovoltaic system and sun tracking mechanism

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Application publication date: 20120620