CN101964613A - Automatic tracking system for solar photoelectric plate - Google Patents
Automatic tracking system for solar photoelectric plate Download PDFInfo
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- CN101964613A CN101964613A CN2010105188042A CN201010518804A CN101964613A CN 101964613 A CN101964613 A CN 101964613A CN 2010105188042 A CN2010105188042 A CN 2010105188042A CN 201010518804 A CN201010518804 A CN 201010518804A CN 101964613 A CN101964613 A CN 101964613A
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- light
- electronic board
- sensitive device
- solar opto
- tracking system
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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 automatic tracking system for a solar photoelectric plate. At present, solar tracking control methods mainly comprise the modes of controlling by time, controlling by detection of a plurality of photoelectric tubes and the like, but the tracking systems have high cost, larger energy consumption and complex control, thereby having certain limitation. The invention aims to develop an automatic tracking system for a solar photoelectric plate. The automatic tracking system has the structural characteristics that an included angle alpha is formed between a left photosensitive device (1) and a right photosensitive device (2), and the included angle alpha between the strongest photosensitive surfaces of the left photosensitive device (1) and the right photosensitive device (2) is in the adjusting range of 135-178 degrees, wherein the surface of the left photosensitive device (1) and the surface of the solar photoelectric plate (7) are parallel and synchronously operate; and the input end of a comparator (9) which can be used for comparing and sending decision instructions in a control circuit (3) is connected with the output ends of the left photosensitive device (1) and the right photosensitive device (2). The invention has the advantage of enabling the solar photoelectric plate to automatically track the sun to rotate according to the opposite rotation of the sun, thereby achieving the purpose of improving the working efficiency of the solar photoelectric plate.
Description
One, technical field
The invention belongs to application of solar, relate to a kind of automatic tracking system that is used for adjusting automatically the solar opto-electronic board anglec of rotation, can be widely used in the every field of utilizing solar energy from the operation of motion tracking direct sunlight line.
Two, background technology
The energy resource consumption demand that increases day by day along with the world, the storage capacity of contemporary world main energy sources resources such as oil, natural gas, coal is gradually reducing, according to present exploitation rate, oil and natural gas has only the recoverable reserves of more than 40 year and more than 60 year respectively, seek the technology of the new forms of energy and the renewable energy resources and efficient energy-saving, be subjected to the generally attention of global range.Solar energy is as a kind of cleanliness without any pollution regenerative resource, and development prospect is boundless, and solar power generation has become the fastest technology of global evolution.But because solar energy density is low, have characteristics intermittent and that spatial distribution constantly changes, fixed solar opto-electronic board can't be followed the variation of position of sun, can't guarantee the vertical all the time solar opto-electronic board of sunlight, photoelectric conversion efficiency is low, so solar tracking system seems of crucial importance.Solar energy tracking control method commonly used mainly contains and controls by time variable, a plurality of photocell detection controls etc., but this class tracking system cost height, energy consumption is bigger, control is complicated, thereby has certain limitation, for example with the mode of time control, because the time all over the world is differentiated, the hours of daylight in each season is also different; With the control mode of photocell detection light intensity, because the inconsistency of photoelectric tube can cause catching sunlight strong production error, bring the error in the control, photoelectric tube again is fragile, and the cumulative errors of generation can be bigger.Secondly solar panels are under the situation of not rotating, and in order to keep holding torque, the power of consumption is bigger, and present technique has overcome these drawbacks exactly.
State Intellectual Property Office has announced a kind of solar real-time tracing apparatus patent on the net on August 25th, 2010, the patent No.: CN200910096613.9, its structure is to comprise base support and solar attachment, the two ends of base support are provided with connecting rod, connecting rod is provided with bearing, solar attachment comprises solar panel and mounting bracket, be connected with rotating shaft on the mounting bracket, the two ends of rotating shaft are connected on the connecting rod by bearing, be connected with headstock on the connecting rod, be provided with shaft gear in the headstock, the reciprocating stroke switch, drive motors, reduction box and worm screw, by being arranged on cooperating of first plectrum on the shaft gear and second plectrum and reciprocating stroke switch, make drive motors along or be rotated counterclockwise, and by reduction box deceleration adjustment, rotating speed after will slowing down is then passed to shaft gear by worm screw, by shaft gear drive solar panel around the shaft along or be rotated counterclockwise 180 degree.
Three, summary of the invention
At the problems referred to above, the invention provides a kind of solar opto-electronic board automatic tracking system, realize that this system energy consumption is low, under severe weather conditions, carry out high-precisionly from motion tracking, and the function of automatic identification shelter is arranged.And be provided with battery saving mode, under the situation that solar opto-electronic board does not rotate, consume seldom part electric energy; Reach the purpose that improves the solar opto-electronic board operating efficiency.
Technical solution of the present invention: solar opto-electronic board automatic tracking system, by the solar opto-electronic board (7) that automatically rotates along with sunlight through transmission mechanism (6), motor and brake thereof (5), motor-drive circuit (4) connection judgment control circuit (3), a left side, right light-sensitive device (1), (2) and to it make strong and weak control circuit (3) composition of judging of light, it is characterized in that: a left side, right light-sensitive device (1), (2) occur with the angle alpha form between, a left side, right light-sensitive device (1), (2) be subjected to angle α between the strongest face of light to be controlled at any one angle in the adjusting ranges of 135 degree～178 degree, wherein left light-sensitive device (1) place is subjected to the strongest face of light and the parallel and synchronous operation of solar opto-electronic board (7) face; Middle comparator (9) input of control circuit (3) and left and right light-sensitive device (1), (2) output that can compare and judge instruction are connected.
Technical solution of the present invention also comprises:
Described solar opto-electronic board automatic tracking system is characterized in that: left and right light-sensitive device (1), (2) are meant the fritter solar opto-electronic board that above-mentioned angle α installs.
Described solar opto-electronic board automatic tracking system is characterized in that: left and right light-sensitive device (1), (2) are meant that above-mentioned angle α installs being fixed on or attached to the photosensitive tube on the small piece plate or on the support.
Described solar opto-electronic board automatic tracking system, it is characterized in that: be subjected in and the synchronous operation parallel with solar opto-electronic board (7) face of the strongest face of light at left light-sensitive device (1) place, it all is often to the sunlight face that left light-sensitive device (1) place is subjected to the strongest face of light and solar opto-electronic board (7) face.
Advantage of the present invention and effect: because the present invention adopts two light-sensitive devices of arranging different angles, judge with circuit after obtaining signal, thereby control driven by motor transmission device, the orientation that makes solar opto-electronic board can follow the sun rotates automatically, so produce following advantage and effect:
1, makes solar opto-electronic board follow solar irradiation by native system and adjust automatically, improve the solar energy utilization ratio.
2, native system illumination collecting part modern design, compact conformation is easy to realize.
3, native system can carry out high-precisionly from motion tracking under severe weather conditions, and the function of automatic identification shelter is arranged.
4, be provided with battery saving mode, motor-driven can be reduced volume and cost with judging that control circuit is integrated in, under the situation that solar opto-electronic board does not rotate, adopt the dead electricity mode of braking, only consume seldom part electric energy.
Four, description of drawings
Fig. 1 is a system works principle schematic of the present invention, table number among the figure: 1, left light-sensitive device, 2, right light-sensitive device, 3, control circuit, 4, motor-drive circuit, 5, motor and brake, 6, transmission mechanism, 7, solar opto-electronic board, 8, sunray, 9, comparator.
Five, embodiment
Referring to Fig. 1, the solar opto-electronic board automatic tracking system, by the solar opto-electronic board 7 that automatically rotates along with the sun through transmission mechanism 6, motor and brake 5 thereof, motor-drive circuit 4 connection judgment control circuits 3, left and right light-sensitive device 1,2 reaches makes strong and weak control circuit of judging 3 compositions of light to it, occur with the angle alpha form between its left and right light-sensitive device 1,2, it is subjected to, and angle α is controlled at interior any one angle of adjusting range that 135 degree～178 are spent, wherein left light-sensitive device 1 place face and 7 parallel and synchronous operations of solar opto-electronic board between the strongest face of light; Middle comparator (9) input of judgement control circuit (3) and left and right light-sensitive device (1), (2) output that can compare and judge instruction are connected.Left and right light-sensitive device 1,2 is meant the fritter solar opto-electronic board, also is meant to be fixed on or attached to the photosensitive tube on the small piece plate.If left light-sensitive device 1 and right light-sensitive device 2 link to each other with platy structure, its flap angle α is controlled at interior any one angle of adjusting range of 135 degree～178 degree, as 135,140,145,150,155,160,165,170,175,178 degree, remove in addition other angles too.The light-sensitive device here comprises: fritter solar opto-electronic board (this induction can be made into difformity and size with solar opto-electronic board), and photosensitive tube (small-power, high-power).(model was LM358 with comparator 9 in the judgement control circuit 3 after left side light-sensitive device 1 and right light-sensitive device 2 were obtained sunray 8 signals, LM339, LM324 etc.) carry out the judgement of light power, if the signal of right light-sensitive device 2 is better than the signal of left light-sensitive device 1, control motor and brake 5 work, the motor rotation, drive transmission device 6 work drive solar opto-electronic board 7 with a β angular turn, solar opto-electronic board 7 obtains best irradiating angle with sunray 8, this β angle decides according to regional sunray irradiating angle and concrete condition, and the β angle can be in the scope regulation and control of 0.5 degree～45 degree.Motor in motor and the brake 5 adopts models such as 57BYG series, 110BYG series; Wherein electricity loss brake adopts models such as DHD series, WSDZ1 series.
Also can say so: left light-sensitive device 1 and right light-sensitive device 2 are used for collection and obtain the strong and weak signals that shines upon light 8, converting voltage signal to compares, obtain switching signal and give the angle that single-chip microcomputer is judged sunray 8 irradiations, whether be in occlusion state and motor and brake 5 by routine processes and whether will rotate tracking.If rotation is followed the tracks of, 5 drive transmission mechanisms 6 of motor and brake rotate corresponding angle with solar opto-electronic board 7.Transmission mechanism 6 can be made up of transmission mechanisms such as common bar linkage structure, gear mechanism, belt mechanism, rotates automatically thereby make solar opto-electronic board 7 follow the sun.Left side light-sensitive device 1 and solar opto-electronic board 7 faces are long to the sunlight face, also are the sunlight strength largest face.Circuit and circuit elements device all adopt prior art to finish.
Claims (4)
1. solar opto-electronic board automatic tracking system, by the solar opto-electronic board (7) that automatically rotates along with sunlight through transmission mechanism (6), motor and brake thereof (5), motor-drive circuit (4) connection judgment control circuit (3), a left side, right light-sensitive device (1), (2) and to it make strong and weak control circuit (3) composition of judging of light, it is characterized in that: a left side, right light-sensitive device (1), (2) occur with the angle alpha form between, a left side, right light-sensitive device (1), (2) be subjected to angle α between the strongest face of light to be controlled at any one angle in the adjusting ranges of 135 degree～178 degree, wherein left light-sensitive device (1) place is subjected to the strongest face of light and the parallel and synchronous operation of solar opto-electronic board (7) face; Middle comparator (9) input of control circuit (3) and left and right light-sensitive device (1), (2) output that can compare and judge instruction are connected.
2. according to the described solar opto-electronic board automatic tracking system of claim 1, it is characterized in that: left and right light-sensitive device (1), (2) are meant the fritter solar opto-electronic board that above-mentioned angle α installs.
3. according to the described solar opto-electronic board automatic tracking system of claim 1, it is characterized in that: left and right light-sensitive device (1), (2) are meant that above-mentioned angle α installs being fixed on or attached to the photosensitive tube on the small piece plate or on the support.
4. according to the described solar opto-electronic board automatic tracking system of claim 1, it is characterized in that: be subjected in and the synchronous operation parallel with solar opto-electronic board (7) face of the strongest face of light at left light-sensitive device (1) place, it all is often to the sunlight face that left light-sensitive device (1) place is subjected to the strongest face of light and solar opto-electronic board (7) face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105188042A CN101964613B (en) | 2010-10-22 | 2010-10-22 | Automatic tracking system for solar photoelectric plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105188042A CN101964613B (en) | 2010-10-22 | 2010-10-22 | Automatic tracking system for solar photoelectric plate |
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| CN101964613A true CN101964613A (en) | 2011-02-02 |
| CN101964613B CN101964613B (en) | 2013-04-10 |
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| CN2010105188042A Active CN101964613B (en) | 2010-10-22 | 2010-10-22 | Automatic tracking system for solar photoelectric plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393750A (en) * | 2011-09-26 | 2012-03-28 | 山西国际能源集团新能源投资管理有限责任公司 | Method for automatically tracking solar energy by using temperature variation |
Citations (6)
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| US4115823A (en) * | 1976-12-22 | 1978-09-19 | International Business Machines Corporation | Track following servosystem for data storage apparatus |
| CN101030741A (en) * | 2006-02-27 | 2007-09-05 | 孙迎光 | Method for synchronized array tracking solar photovoltaic generator automatically |
| CN101546971A (en) * | 2009-04-30 | 2009-09-30 | 王琼标 | Automatic tracking control circuit of solar generator |
| CN101561684A (en) * | 2009-03-19 | 2009-10-21 | 浙江海辰空间新能源有限公司 | Photovoltaic power generation settled date automatic tracking control system |
| CN101727107A (en) * | 2009-11-13 | 2010-06-09 | 北京信息科技大学 | Flexible sun tracking method and flexible sun tracking system in solar collecting device |
| CN201518463U (en) * | 2009-10-16 | 2010-06-30 | 赵枫 | Full process sun tracker |
-
2010
- 2010-10-22 CN CN2010105188042A patent/CN101964613B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4115823A (en) * | 1976-12-22 | 1978-09-19 | International Business Machines Corporation | Track following servosystem for data storage apparatus |
| CN101030741A (en) * | 2006-02-27 | 2007-09-05 | 孙迎光 | Method for synchronized array tracking solar photovoltaic generator automatically |
| CN101561684A (en) * | 2009-03-19 | 2009-10-21 | 浙江海辰空间新能源有限公司 | Photovoltaic power generation settled date automatic tracking control system |
| CN101546971A (en) * | 2009-04-30 | 2009-09-30 | 王琼标 | Automatic tracking control circuit of solar generator |
| CN201518463U (en) * | 2009-10-16 | 2010-06-30 | 赵枫 | Full process sun tracker |
| CN101727107A (en) * | 2009-11-13 | 2010-06-09 | 北京信息科技大学 | Flexible sun tracking method and flexible sun tracking system in solar collecting device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393750A (en) * | 2011-09-26 | 2012-03-28 | 山西国际能源集团新能源投资管理有限责任公司 | Method for automatically tracking solar energy by using temperature variation |
| CN102393750B (en) * | 2011-09-26 | 2014-12-17 | 山西国际能源集团新能源投资管理有限责任公司 | Method for automatically tracking solar energy by using temperature variation |
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| CN101964613B (en) | 2013-04-10 |
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