CN103809611A - Control circuit of solar power generation tracking system - Google Patents
Control circuit of solar power generation tracking system Download PDFInfo
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- CN103809611A CN103809611A CN201210454926.9A CN201210454926A CN103809611A CN 103809611 A CN103809611 A CN 103809611A CN 201210454926 A CN201210454926 A CN 201210454926A CN 103809611 A CN103809611 A CN 103809611A
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- 238000010248 power generation Methods 0.000 title abstract 3
- 238000005286 illumination Methods 0.000 claims abstract description 15
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Abstract
The invention discloses a control circuit of a solar power generation tracking system. The control circuit of the solar power generation tracking system mainly consists of a tracking module, a single chip microcomputer controller, a driving unit and an energy conversion unit. The tracking module integrates photoelectric tracking and sun angle tracking, wherein the sun angle tracking is adopted at the first stage, and a photoelectric sensor is adopted at the second stage to correct tracking. The driving unit drives a stepping motor to run and respectively controls pole-around shaft rotation and pitch angle adjustment to achieve automatic sun tracking. The energy conversion unit utilizes a Stirling heat engine to convert solar energy heat into mechanical energy and utilizes a Stirling motor to convert the converted mechanical energy into electric energy. Wind speed and direction, illumination intensity and solar cell parameters are detected in real time while tracking. The receiving rate of a photovoltaic cell can be greatly improved, solar energy resources can be effectively and fully utilized, and the solar energy application field is widened.
Description
Technical field
The present invention relates to a kind of device of solar generating field, field, particularly relate to a kind of control circuit of solar electrical energy generation tracker.
Background technology
The total amount of solar energy resources is very large, is the disposable energy, is again regenerative resource, be free use, without transportation three-dimensional clean energy resource.But sun power has dispersiveness, although the total amount of the solar radiation of arrival earth surface is very huge, its energy flux density is low.Every square metre, the ground sun power only having about 1000W.Simultaneously, sun power also has instability, because earth surface is subject to round the clock, the weather effect of natural conditions of season, geographic latitude, random variation, making to arrive certain any sun power is intermittently, direction of illumination and intensity time constantly change, these drawbacks limit of sun power large-scale exploitation solar energy resources.Therefore, on the existing defect basis of the sun, in order fully to develop solar energy resources, twin axle solar automatic tracking system can make the acceptance rate of photovoltaic cell improve greatly, thereby can utilize solar energy resources effectively, more fully, widen the application of sun power.
Summary of the invention
The problem existing for prior art, the object of this invention is to provide a kind of control circuit of solar electrical energy generation tracker, can make the acceptance rate of photovoltaic cell improve greatly, thereby can utilize solar energy resources effectively, more fully, widen the application of sun power.
The technical solution used in the present invention is: a kind of control circuit of solar electrical energy generation tracker is mainly by tracking module, singlechip controller, driver element and Conversion of Energy unit composition; Tracking module is followed the tracks of and is combined by photoelectric tracking and sun angle, and the first order is pressed sun angle and followed the tracks of, and second utmost point adopts photoelectric sensor to correct tracking; Drive unit drives stepper motor running, controls respectively around pole axis and rotates and angle of pitch adjusting, with realize to the sun from motion tracking; Solar heat is converted into mechanical energy by Conversion of Energy unit by using Stirling thermal engine operating, utilizes Stirling motor that the mechanical energy after transforming is converted into electric energy; Follow the tracks of and detect in real time wind speed and direction, intensity of illumination and solar cell parameter simultaneously.
It is to calculate sun altitude and position angle by local Time of Day, longitude and latitude etc. that described sun angle is followed the tracks of, and then real-time follow-up; Photoelectric tracking is to utilize photoelectric sensor to measure the deviation between incident sunray and systematic optical axis, while starting tracking module, adopt timing to judge whether light intensity voltage reaches photoelectric tracking scope, if reaching photoelectric tracking scope startup photoelectric tracking revises, adopt sun angle to follow the tracks of if do not reach photoelectric tracking scope, in the time reaching the light intensity of photoelectric tracking, start photoelectric tracking correction.
Described wind speed and direction detects and intensity of illumination detects in the time destructive strong wind being detected; system should make solar panel forward position, best oblique angle to; motor stalling afterwards; protection solar cell; intensity of illumination sensor detects the intensity of illumination of there and then; and then judgement weather conditions, so that the switching of tracing mode.
The present invention compared with prior art has the following advantages:
1. the present invention is reasonable in design, simple in structure and circuit part line is simple;
2. adopt polar mounts automatic tracking system can make the receptance of photovoltaic cell improve greatly, thus can be more effective, utilize solar energy resources more fully, widen the application of sun power.On the other hand, effectively utilize sun power can alleviate the energy crisis of growing tension and the ecologic environment of severe contamination, this sustainable development to the mankind has great significance.
Accompanying drawing explanation
Accompanying drawing is schematic diagram of the present invention.
Embodiment
With reference to accompanying drawing, a kind of control circuit of solar electrical energy generation tracker, is mainly by tracking module, singlechip controller, driver element and Conversion of Energy unit composition; Tracking module is followed the tracks of and is combined by photoelectric tracking and sun angle, and the first order is pressed sun angle and followed the tracks of, and second utmost point adopts photoelectric sensor to correct tracking; Drive unit drives stepper motor running, controls respectively around pole axis and rotates and angle of pitch adjusting, with realize to the sun from motion tracking; Solar heat is converted into mechanical energy by Conversion of Energy unit by using Stirling thermal engine operating, utilizes Stirling motor that the mechanical energy after transforming is converted into electric energy; Follow the tracks of and detect in real time wind speed and direction, intensity of illumination and solar cell parameter simultaneously.
It is to calculate sun altitude and position angle by local Time of Day, longitude and latitude etc. that described sun angle is followed the tracks of, and then real-time follow-up; Photoelectric tracking is to utilize photoelectric sensor to measure the deviation between incident sunray and systematic optical axis, while starting tracking module, adopt timing to judge whether light intensity voltage reaches photoelectric tracking scope, if reaching photoelectric tracking scope startup photoelectric tracking revises, adopt sun angle to follow the tracks of if do not reach photoelectric tracking scope, in the time reaching the light intensity of photoelectric tracking, start photoelectric tracking correction.
Described wind speed and direction detects and intensity of illumination detects in the time destructive strong wind being detected; system should make solar panel forward position, best oblique angle to; motor stalling afterwards; protection solar cell; intensity of illumination sensor detects the intensity of illumination of there and then; and then judgement weather conditions, so that the switching of tracing mode.
The course of work of the present invention is: single-chip microcomputer is followed the tracks of and calculated running track from sun by sun angle, judges daytime and night, and intensity of illumination sensor detects cloudy day and fine day, when fine day, enables tracing mode, and when the cloudy day, system is in suspending waiting status, while becoming fine day by the cloudy day, while starting tracking module, adopt timing to judge whether light intensity voltage reaches photoelectric tracking scope, if reaching photoelectric tracking scope startup photoelectric tracking revises, adopt sun angle to follow the tracks of if do not reach photoelectric tracking scope, in the time reaching the light intensity of photoelectric tracking, start photoelectric tracking correction, Driving Stepping Motor and linear electric motors running, make mechanical hook-up aim at gradually the sun, light focusing unit is assembled sun power, solar heat is converted into mechanical energy by Conversion of Energy unit by using Stirling thermal engine operating, utilize Stirling motor that the mechanical energy after transforming is converted into electric energy, system enters detection waiting status subsequently, and stepper motor quits work, and when the sun departs from after certain angle, Photoelectric Detection again starts search and follows the tracks of the sun, circulation always, until darkness, air velocity transducer detects wind velocity signal at that time, and battery parameter acquisition module will gather the parameter of solar cell.
Claims (3)
1. a control circuit for solar electrical energy generation tracker, is characterized in that: be mainly by tracking module, and singlechip controller, driver element and Conversion of Energy unit composition; Tracking module is followed the tracks of and is combined by photoelectric tracking and sun angle, and the first order is pressed sun angle and followed the tracks of, and second utmost point adopts photoelectric sensor to correct tracking; Drive unit drives stepper motor running, controls respectively around pole axis and rotates and angle of pitch adjusting, with realize to the sun from motion tracking; Solar heat is converted into mechanical energy by Conversion of Energy unit by using Stirling thermal engine operating, utilizes Stirling motor that the mechanical energy after transforming is converted into electric energy; Follow the tracks of and detect in real time wind speed and direction, intensity of illumination and solar cell parameter simultaneously.
2. a kind of control circuit of solar electrical energy generation tracker as claimed in claim 1, is characterized in that: it is to calculate sun altitude and position angle by local Time of Day, longitude and latitude etc. that described sun angle is followed the tracks of, and then real-time follow-up; Photoelectric tracking is to utilize photoelectric sensor to measure the deviation between incident sunray and systematic optical axis, while starting tracking module, adopt timing to judge whether light intensity voltage reaches photoelectric tracking scope, if reaching photoelectric tracking scope startup photoelectric tracking revises, adopt sun angle to follow the tracks of if do not reach photoelectric tracking scope, in the time reaching the light intensity of photoelectric tracking, start photoelectric tracking correction.
3. a kind of control circuit of solar electrical energy generation tracker as claimed in claim 1; it is characterized in that: described wind speed and direction detects and intensity of illumination detects in the time destructive strong wind being detected; system should make solar panel forward position, best oblique angle to; motor stalling afterwards; protection solar cell; intensity of illumination sensor detects the intensity of illumination of there and then, and then judges weather conditions, so that the switching of tracing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210454926.9A CN103809611A (en) | 2012-11-13 | 2012-11-13 | Control circuit of solar power generation tracking system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210454926.9A CN103809611A (en) | 2012-11-13 | 2012-11-13 | Control circuit of solar power generation tracking system |
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| CN103809611A true CN103809611A (en) | 2014-05-21 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105302165A (en) * | 2015-11-27 | 2016-02-03 | 胡国旺 | Photovoltaic power generation automatic tracking system |
| CN105334762A (en) * | 2014-07-10 | 2016-02-17 | 湘电集团有限公司 | Method of controlling start and stop of disc-type solar photo-thermal power generation system and apparatus thereof |
| CN105446168A (en) * | 2014-07-10 | 2016-03-30 | 湘电集团有限公司 | Dish-type solar thermal power generation system |
| CN106325307A (en) * | 2016-08-31 | 2017-01-11 | 重庆三峡学院 | Photovoltaic plate control system for automatically following sunlight |
| CN111585508A (en) * | 2020-05-28 | 2020-08-25 | 北方民族大学 | A low-cost solar power generation tracking system and method |
| CN115276557A (en) * | 2022-06-24 | 2022-11-01 | 广东奥飞新能源有限公司 | Distributed photovoltaic measurement device capable of being connected to power grid and use method thereof |
-
2012
- 2012-11-13 CN CN201210454926.9A patent/CN103809611A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334762A (en) * | 2014-07-10 | 2016-02-17 | 湘电集团有限公司 | Method of controlling start and stop of disc-type solar photo-thermal power generation system and apparatus thereof |
| CN105446168A (en) * | 2014-07-10 | 2016-03-30 | 湘电集团有限公司 | Dish-type solar thermal power generation system |
| CN105302165A (en) * | 2015-11-27 | 2016-02-03 | 胡国旺 | Photovoltaic power generation automatic tracking system |
| CN106325307A (en) * | 2016-08-31 | 2017-01-11 | 重庆三峡学院 | Photovoltaic plate control system for automatically following sunlight |
| CN111585508A (en) * | 2020-05-28 | 2020-08-25 | 北方民族大学 | A low-cost solar power generation tracking system and method |
| CN115276557A (en) * | 2022-06-24 | 2022-11-01 | 广东奥飞新能源有限公司 | Distributed photovoltaic measurement device capable of being connected to power grid and use method thereof |
| CN115276557B (en) * | 2022-06-24 | 2023-09-26 | 广东奥飞新能源有限公司 | A distributed photovoltaic measurement device that can be connected to the power grid and its use method |
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Application publication date: 20140521 |