CN201219246Y - Intermittent sun tracing control system - Google Patents
Intermittent sun tracing control system Download PDFInfo
- Publication number
- CN201219246Y CN201219246Y CNU2008200051944U CN200820005194U CN201219246Y CN 201219246 Y CN201219246 Y CN 201219246Y CN U2008200051944 U CNU2008200051944 U CN U2008200051944U CN 200820005194 U CN200820005194 U CN 200820005194U CN 201219246 Y CN201219246 Y CN 201219246Y
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- CN
- China
- Prior art keywords
- comparator
- solar
- delta
- motor
- timer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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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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- Photovoltaic Devices (AREA)
- Control Of Position Or Direction (AREA)
Abstract
A control system capable of realizing the solar intermittent tracking is composed of silicon photocells, a double-values comparator, a timer, a drive and a motor. The silicon photocells are arranged in a certain angle to convert the solar light into two electrical signals whose lighting intensity is in direct proportion; the double-values comparator has two adjustable comparative reference values Delta[v] and - Delta[v], when the included angle between the normal vector n of the solar panel and the solar light is smaller than an angle Delta[alpha], the output of the double-values comparator (4) is zero, and the motor does not rotate. When the included angle between the normal vector n of the solar panel and the solar light is larger than an angle Delta[alpha], the double-values comparator (4) outputs a forward high level or a negative low level, the motor rotate forward or reversing for a time Delta[t], so that the solar panel can recover to a position vertical to the solar light.
Description
Affiliated technical field:
The utility model relates to a kind of solar panel tracking technique, and particularly a kind of solar panel that drives is automatically intermittently followed the tracks of solar motion, and makes the solar cell board plane remain tracking control system perpendicular to sunray.
Background technology:
The solar energy utilization is the developing direction that human following clear energy sources utilizes, and various Application of Solar Energy products continue to bring out.But in real life, the solar energy receiving element receives sunlight in the fixed-site mode mostly, causes solar energy utilization ratio low.People have studied various tracking modes for this reason,
The existing lighting equipment of following the tracks of the sun has two big classes: a class is to calculate the tracking means of daylighting lighting device movement locus around the day operation rule according to the earth; Because of different regions day rises the sunset time difference, it is also different that areal spring, summer, autumn, winter rise sunset time, this method because of region difference, season difference will bring tracking error.Another kind of is real-time detection sun position over the ground, and the control lighting equipment is to the tracking means of sun angle.This method drives the solar panel real-time tracking because of needs, and tracking means must uninterruptedly detect, motor will uninterruptedly power up, and the tracking means electric energy loss is bigger.Two class tracking means exist all that power consumption is big, complex structure, tracking means cost height, location are inaccurate, shortcomings such as tracking sensitivity difference.
Summary of the invention:
There is complex structure in order to overcome existing tracking means, tracking means cost height, power consumption is big, the location is inaccurate, shortcomings such as tracking sensitivity difference. the present invention is directed to the deficiency that prior art exists, prior art is improved, proposed a kind of simple and reliable for structure, power consumption is little, accurate positioning, the solar tracking device that tracking sensitivity is high, it is be divided into N zone from the time that is raised to sunset day, choosing with solar panel daylighting effect myopia in each zone of N do not become benchmark, and only follow the tracks of N time every day.Therefore, the power consumption of this solar tracking device descends greatly, simultaneously, also can improve tracking accuracy by adjusting N.
The technical solution adopted for the present invention to solve the technical problems is: sunlight is changed into the two path signal that is directly proportional with light intensity with a pair of silicon photocell that is mutually certain angle, in two silicon photocells with less one of sunlight angle, the signal of telecommunication that produces is stronger, with bigger one of sunlight angle, the signal of telecommunication that produces a little less than, when two silicon photocells were identical with the sunlight angle, the signal of telecommunication of generation equated.Two path signal is sent to comparison amplifier amplifies, at signal of telecommunication that is directly proportional with the difference of two path signal of output generation of comparison amplifier.The output signal of telecommunication of comparison amplifier is sent to a diadic comparator, this diadic comparator be used for judging two path signal who big who is little, thereby the turning to of decision motor, and the rotation direction by motor decision solar panel.The output signal of telecommunication of diadic comparator is sent to timer and driver, this timer and driver are by judging the input electrical signal of diadic comparator, export a plus or minus signal, and control the output time length of this plus or minus signal by timer, thereby the control motor is just changeing or counter-rotating and rotation time.
Earlier two benchmark values of diadic comparator are set at Δ v and-Δ v, the rotation time of timer is set at Δ t.If the two path signal that silicon photocell is sent here, the first via is greater than the second the tunnel, and the output that produces by comparison amplifier is greater than Δ v, diadic comparator output forward high level, producing the duration by the timer Control Driver is Δ t forward high level, make the motor forward rotation Δ t time, thereby solar panel is returned to and the sunlight upright position.If the two path signal that silicon photocell is sent here, the second the tunnel greater than the first via, and the output that produces by comparison amplifier is less than-Δ v, diadic comparator output negative sense low level, producing the duration by the timer Control Driver is Δ t negative sense low level, make the motor backward rotation Δ t time, thereby solar panel is returned to and the sunlight upright position.When output that two path signal that silicon photocell is sent here produces by comparison amplifier Δ v～-Δ v between the time, the diadic comparator is output as O, driver output is O also, motor does not rotate.Change Δ v and-Δ v and-Δ t, can change and follow the tracks of times N every day.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Figure is a whole schematic diagram of the present invention.1. solar panels among the figure, 2. silicon photocell, 3. comparison amplifier, 4. diadic comparator, 5. timer, 6. driver, 7. motor.
Embodiment
In the drawings, be fixed with two silicon photocells (2) that are mutually certain angle on the solar panel (1), sunlight is sent to comparison amplifier (3) by the two path signal that silicon photocell (2) produces, the output signal of telecommunication that comparison amplifier (3) produces is sent to diadic comparator (4), the output signal of telecommunication that diadic comparator (4) produces is sent to timer (5), the output signal of telecommunication that timer (5) produces is sent to driver (6), and the output signal of telecommunication that driver (6) produces is sent to rotation time and the rotation direction that motor (7) is used for controlling motor (7).
In the drawings when the normal vector n of solar panel (1) and the angle between the sunlight during less than a certain angle delta a, the two path signal that silicon photocell (2) produces through the output signal of telecommunication that comparison amplifier (3) produces Δ v and-Δ v between.The output signal of telecommunication that diadic comparator (4) produces is zero, and the output signal of telecommunication that driver (6) produces is zero, and motor (7) does not rotate.
When the normal vector n of solar panel (1) and the angle between the sunlight greater than a certain angle delta a, when the two path signal that silicon photocell (2) produces produces the output signal of telecommunication greater than Δ v or less than-Δ v through comparison amplifier (3), diadic comparator (4) output forward high level or negative sense low level, under timer (5) control, it is forward high level or the negative sense low level of Δ t that driver (6) produces the duration, make motor (7) rotate the Δ t time forward or backwards, thereby solar panel (1) is returned to and the sunlight upright position.
Claims (3)
1, sunlight tracking control system at intermittence of forming by silicon photocell (2) diadic comparator (4) timer (5) driver (6) motor (7), it is characterized in that: by silicon photocell (2) timer (5) and diadic comparator (4) time that is raised to sunset from day is divided into adjustable N zone, the diadic comparator have two adjustable benchmark value Δ v and-Δ v.
2, sunlight tracking control system at intermittence according to claim 1, it is characterized in that: comparison amplifier (3) is a difference amplifier.
3, sunlight tracking control system at intermittence according to claim 1, it is characterized in that: the timing Δ t of timer (5) is adjustable, and it is forward high level or the negative sense low level of Δ t that timer (5) controllable driver (6) produces the duration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200051944U CN201219246Y (en) | 2008-03-10 | 2008-03-10 | Intermittent sun tracing control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200051944U CN201219246Y (en) | 2008-03-10 | 2008-03-10 | Intermittent sun tracing control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201219246Y true CN201219246Y (en) | 2009-04-08 |
Family
ID=40542080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200051944U Expired - Fee Related CN201219246Y (en) | 2008-03-10 | 2008-03-10 | Intermittent sun tracing control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201219246Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207344A (en) * | 2011-03-17 | 2011-10-05 | 王珏 | Bimirror focusing solar refrigeration device |
| CN102339066A (en) * | 2010-07-20 | 2012-02-01 | 中国科学院软件研究所 | Adaptive solar energy tracking method facing wireless sensor network |
| CN103592958A (en) * | 2013-11-20 | 2014-02-19 | 上海电机学院 | Solar energy light following method and system |
-
2008
- 2008-03-10 CN CNU2008200051944U patent/CN201219246Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102339066A (en) * | 2010-07-20 | 2012-02-01 | 中国科学院软件研究所 | Adaptive solar energy tracking method facing wireless sensor network |
| CN102339066B (en) * | 2010-07-20 | 2013-05-08 | 中国科学院软件研究所 | Adaptive solar energy tracking method facing wireless sensor network |
| CN102207344A (en) * | 2011-03-17 | 2011-10-05 | 王珏 | Bimirror focusing solar refrigeration device |
| CN103592958A (en) * | 2013-11-20 | 2014-02-19 | 上海电机学院 | Solar energy light following method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090408 Termination date: 20110310 |