CN103499978A - Photovoltaic automatic sun-tracking control system and application method thereof - Google Patents
Photovoltaic automatic sun-tracking control system and application method thereof Download PDFInfo
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- CN103499978A CN103499978A CN201310452323.XA CN201310452323A CN103499978A CN 103499978 A CN103499978 A CN 103499978A CN 201310452323 A CN201310452323 A CN 201310452323A CN 103499978 A CN103499978 A CN 103499978A
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Abstract
The invention relates to a photovoltaic automatic sun-tracking control system, which comprises a base in synchronous movement with a photovoltaic plate, a base drive module, a base control module and a central control module, wherein an upright rod is arranged vertically and upwards in the center of the base; a photosensitive ring coaxial to the upright rod is arranged on the surface of the base on the outer side of the upright rod; the photosensitive ring and the outer edge of the upright rod are arranged at an interval. According to the photovoltaic automatic sun-tracking control system, a position of the base is adjusted continuously, a shadow of the upright rod is finally located in the photosensitive ring, the base is considered to be vertical to sunlight at the moment, and since the photovoltaic plate is linked with the base, the photovoltaic plate is considered to be vertical to the sunlight at the moment. The photovoltaic automatic sun-tracking control system is simple in overall structure, can be used for continuously tracking a position of the sun, and is adjustable in accuracy and low in cost.
Description
Technical field
The invention belongs to photovoltaic generation solar tracking technical field, especially a kind of photovoltaic automatic sun-tracing control system and using method thereof.
Background technology
Solar energy power generating utilizes photovoltaic effect, the sunshine that shines semiconductor surface directly is converted to electric energy, its have clean, noiseless, can with the advantages such as buildings combines, along with the relieving of country to photovoltaic system access electrical network policy, and the lifting of the reduction of photovoltaic generation cost and efficiency, photovoltaic generating system will be more and more universal.Photovoltaic generating system comprises photovoltaic panel, controller and inverter, photovoltaic panel is converted to electric energy output by sunshine, then input electrical network after the inverter conversion, controller is responsible for coordinating whole normal operation, photovoltaic panel can adopt the structure of fixed angle, also can adopt the structure of solar tracking, and photovoltaic panel is moved along with the rotation of the sun, take keep sunshine substantially as vertical irradiation to semiconductor devices, this mode has improved generating efficiency.At present, solar tracking control technology both domestic and external is not generally very ripe, generally can not guarantee the reliable and stable operation of whole system, and complexity is relatively high.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of photovoltaic automatic sun-tracing control system rational in infrastructure, easy and simple to handle is provided.
The technical scheme that the present invention takes is:
A kind of photovoltaic automatic sun-tracing control system, it is characterized in that: comprise the pedestal be synchronized with the movement with photovoltaic panel, the pedestal driver module, pedestal control module and central control module, described pedestal center is installed a vertical rod vertically upward, the base-plates surface and the photosensitive circle of the coaxial installation one of vertical rod in this vertical rod outside, this photosensitive circle and vertical rod outer rim are spaced, in base bottom, the pedestal driver module for base motion is installed, the control end of this pedestal driver module connects the steering order output terminal of described pedestal control module, the input end of this pedestal control module connects a steering order output terminal of described central control module, the input end of this central control module connects the output terminal of a plurality of current sample modules, each current sample module respectively with photosensitive circle in photoresistance form series arm, the two ends of a plurality of series arms rear connection power supply parallel with one another, another steering order output terminal of described central control module connects the photovoltaic driver module for the photovoltaic panel motion, described pedestal driver module is biaxial sun-tracking mechanism or hydraulic stem mechanism.
Another object of the present invention is to provide a kind of using method of photovoltaic automatic sun-tracing control system, it is characterized in that: comprise the following steps:
(1) central control module reads the output current of each current sample module;
(2) when any output current is zero, think that the shade of vertical rod blocks photosensitive circle, the electric current by that series arm is zero to determine in which zone that this shade delimit on pedestal;
(3) central control module is controlled the direction motion of pedestal to the shade region, and shade is moved to the central point of pedestal;
(4) constantly repeating step is (1)～(3) until all output currents when all non-vanishing, think that the shade of vertical rod is positioned at photosensitive circle, vertical with the sun with the photovoltaic panel of pedestal interlock, completes solar tracking control.
Advantage of the present invention and good effect are:
In the present invention, in the center, pedestal upper surface with the photovoltaic panel synchronous interaction, one vertical rod is installed vertically upward, the one photosensitive circle spaced with the vertical rod outer rim is installed on the pedestal upper surface in this vertical rod outside, each photoresistance in this photosensitive circle is connected with a current sample module respectively, the output signal of each current sample module is received by central control module, then the pedestal driver module action that this central control module drives base bottom surface to install according to current signal, constantly adjust the position of pedestal, finally make the shade of vertical rod drop in above-mentioned photosensitive circle, now think that pedestal is vertical with sunshine, due to photovoltaic panel and pedestal interlock, so now think that photovoltaic panel is vertical with sunshine, one-piece construction is simple, but the position of the Continuous Tracking sun, precision is adjustable, with low cost.
The accompanying drawing explanation
Fig. 1 is the structural representation of initial position of the present invention;
Fig. 2 is the structural representation of adjusted position postpone of the present invention;
Fig. 3 is the vertical view of pedestal;
Fig. 4 is three structural representations that hydraulic stem is connected with base.
Embodiment
Below in conjunction with embodiment, the present invention is further described, and following embodiment is illustrative, is not determinate, can not limit protection scope of the present invention with following embodiment.
A kind of photovoltaic automatic sun-tracing control system, as shown in Fig. 1～4, innovation of the present invention is: comprise the pedestal 4 be synchronized with the movement with photovoltaic panel, the pedestal driver module, pedestal control module and central control module, described pedestal center is installed a vertical rod 2 vertically upward, the base-plates surface and the photosensitive circle 3 of the coaxial installation one of vertical rod in this vertical rod outside, this photosensitive circle and vertical rod outer rim are spaced, in base bottom, the pedestal driver module for base motion is installed, the control end of this pedestal driver module connects the steering order output terminal of described pedestal control module, the input end of this pedestal control module connects a steering order output terminal of described central control module, the input end of this central control module connects the output terminal of a plurality of current sample modules 7, each current sample module respectively with photosensitive circle in a photoresistance (be respectively RG1, RG2 ... RGM) form series arm, the two ends of a plurality of series arms rear connection power supply 6 parallel with one another, another steering order output terminal of described central control module connects the photovoltaic driver module for the photovoltaic panel motion.
In the present embodiment, the said base driver module can be used biaxial sun-tracking mechanism or hydraulic stem mechanism, biaxial sun-tracking mechanism wherein comprises two motors, and a motor is responsible for pedestal rotation in the horizontal direction, and another motor is responsible for the rotation of pedestal in the vertical direction.Hydraulic stem mechanism as shown in Figure 3,4, the hydraulic stem 8 that comprises three independent-lifting motions, these three hydraulic stem upper end hinges are contained in the uniform distribution in bottom surface and three end of base, by the lifting on three hydraulic stem vertical directions, can realize the adjustment of pedestal position on level and vertical both direction.Described current sample module can be circuit commonly used, also can be with the reometer of output.
Described photosensitive circle as shown in Figure 1, 2, by a plurality of photoresistance RG1, RG2 ... RGM is in parallel to be formed, no matter the shade 1 of vertical rod tiltedly all can block photoresistance to that square neck, cause this one or several photoresistance impedance to raise, the sampled value that makes the current sample module is zero, now triggers the adjustment that central control module carries out base position.
Because said base and all photovoltaic panel have interaction relation, be that pedestal is under the cooperation of pedestal control module, central control module, current sample module etc. constantly during motion, all photovoltaic panel also are synchronized with the movement, thereby realized the maximized adjustment of photovoltaic panel generating efficiency, the specific works process comprises the following steps:
(1) central control module reads the output current of each current sample module;
(2) when any output current is zero, think that the shade of vertical rod blocks photosensitive circle, the electric current by that series arm is zero to determine in which zone that this shade delimit on pedestal;
(3) central control module is controlled the direction motion of pedestal to the shade region, and shade is moved to the central point of pedestal;
(4) constantly repeating step is (1)～(3) until all output currents when all non-vanishing, think that the shade of vertical rod is positioned at photosensitive circle, vertical with the sun with the photovoltaic panel of pedestal interlock, completes solar tracking control.
Embodiment
As shown in Figure 3, vertical rod 2 is installed at middle part to the structure of base-plates surface, around vertical rod, 12 photoresistance is installed, and then is divided into A, B, tri-zones of C, and four photoresistance are set in each zone, in base bottom surface, a, b, tri-hydraulic stems of c is installed.
Suppose that the pedestal initial position is parallel to ground, early morning is while starting shooting, the shade of vertical rod is positioned at regional A, several photoresistance place series arm electric current in the A of zone is zero, now central control module control hydraulic stem and b, c are upwards, hydraulic stem a is downward, shade is moved in photosensitive circle, central control module constantly detects the position of shade, then constantly adjust the vertical position of hydraulic stem, until the shade of vertical rod moves to photosensitive circle inside, think that pedestal is vertical with sunshine, photovoltaic panel is vertical with sunshine.
Central control module regularly detects the position of pedestal top shadow, once the output current of series arm is zero arbitrarily, starts to adjust the position of pedestal.
In the present invention, in the center, pedestal upper surface with the photovoltaic panel synchronous interaction, one vertical rod is installed vertically upward, the one photosensitive circle spaced with the vertical rod outer rim is installed on the pedestal upper surface in this vertical rod outside, each photoresistance in this photosensitive circle is connected with a current sample module respectively, the output signal of each current sample module is received by central control module, then the pedestal driver module action that this central control module drives base bottom surface to install according to current signal, constantly adjust the position of pedestal, finally make the shade of vertical rod drop in above-mentioned photosensitive circle, now think that pedestal is vertical with sunshine, due to photovoltaic panel and pedestal interlock, so now think that photovoltaic panel is vertical with sunshine, one-piece construction is simple, but the position of the Continuous Tracking sun, adjust the mouse essence adjustable precision of photosensitive circle, with low cost.
Claims (2)
1. a photovoltaic automatic sun-tracing control system, it is characterized in that: comprise the pedestal be synchronized with the movement with photovoltaic panel, the pedestal driver module, pedestal control module and central control module, described pedestal center is installed a vertical rod vertically upward, the base-plates surface and the photosensitive circle of the coaxial installation one of vertical rod in this vertical rod outside, this photosensitive circle and vertical rod outer rim are spaced, in base bottom, the pedestal driver module for base motion is installed, the control end of this pedestal driver module connects the steering order output terminal of described pedestal control module, the input end of this pedestal control module connects a steering order output terminal of described central control module, the input end of this central control module connects the output terminal of a plurality of current sample modules, each current sample module respectively with photosensitive circle in photoresistance form series arm, the two ends of a plurality of series arms rear connection power supply parallel with one another, another steering order output terminal of described central control module connects the photovoltaic driver module for the photovoltaic panel motion, described pedestal driver module is biaxial sun-tracking mechanism or hydraulic stem mechanism.
2. the using method of a kind of photovoltaic automatic sun-tracing control system according to claim 3 is characterized in that: comprise the following steps:
(1) central control module reads the output current of each current sample module;
(2) when any output current is zero, think that the shade of vertical rod blocks photosensitive circle, the electric current by that series arm is zero to determine in which zone that this shade delimit on pedestal;
(3) central control module is controlled the direction motion of pedestal to the shade region, and shade is moved to the central point of pedestal;
(4) constantly repeating step is (1)～(3) until all output currents when all non-vanishing, think that the shade of vertical rod is positioned at photosensitive circle, vertical with the sun with the photovoltaic panel of pedestal interlock, completes solar tracking control.
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| CN201310452323.XA CN103499978A (en) | 2013-09-28 | 2013-09-28 | Photovoltaic automatic sun-tracking control system and application method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103809616A (en) * | 2014-03-11 | 2014-05-21 | 太原科技大学 | Control method for sun position double-axis tracking system structure suitable for partial shade |
| CN104400418A (en) * | 2014-09-26 | 2015-03-11 | 黄国峰 | High-refining control method of electromechanical device |
| TWI629440B (en) * | 2016-10-28 | 2018-07-11 | 崑山科技大學 | Tilting solar tracking system used at low latitude |
| CN112099537A (en) * | 2020-09-21 | 2020-12-18 | 金华橙果环保科技有限公司 | Sun position tracking method for photovoltaic power generation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2571865A1 (en) * | 1984-04-12 | 1986-04-18 | Armanet Franck | Sundial |
| DE102006036313B3 (en) * | 2006-08-03 | 2007-11-08 | Herzog, Markus, Dr. | Sundial, has sensor device detecting actual position of image of gnomon, and adjusting unit adjusting position of gnomon based on signal outputted from comparator device |
| CN101930237A (en) * | 2010-08-24 | 2010-12-29 | 薛恩达 | Automatic sun tracking method and device |
| CN102183967A (en) * | 2011-05-24 | 2011-09-14 | 浙江大学 | Sun tracking and positioning device and method based on sundial |
| CN202142537U (en) * | 2011-08-13 | 2012-02-08 | 吴忠举 | Device for automatically tracking and cleaning solar cell panel |
| CN203535495U (en) * | 2013-09-28 | 2014-04-09 | 国家电网公司 | Photovoltaic automatic sun-tracking control device |
-
2013
- 2013-09-28 CN CN201310452323.XA patent/CN103499978A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2571865A1 (en) * | 1984-04-12 | 1986-04-18 | Armanet Franck | Sundial |
| DE102006036313B3 (en) * | 2006-08-03 | 2007-11-08 | Herzog, Markus, Dr. | Sundial, has sensor device detecting actual position of image of gnomon, and adjusting unit adjusting position of gnomon based on signal outputted from comparator device |
| CN101930237A (en) * | 2010-08-24 | 2010-12-29 | 薛恩达 | Automatic sun tracking method and device |
| CN102183967A (en) * | 2011-05-24 | 2011-09-14 | 浙江大学 | Sun tracking and positioning device and method based on sundial |
| CN202142537U (en) * | 2011-08-13 | 2012-02-08 | 吴忠举 | Device for automatically tracking and cleaning solar cell panel |
| CN203535495U (en) * | 2013-09-28 | 2014-04-09 | 国家电网公司 | Photovoltaic automatic sun-tracking control device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103809616A (en) * | 2014-03-11 | 2014-05-21 | 太原科技大学 | Control method for sun position double-axis tracking system structure suitable for partial shade |
| CN103809616B (en) * | 2014-03-11 | 2016-05-04 | 太原科技大学 | Be suitable for the control method of the position of sun dual-axis tracking system structure of partly covering |
| CN104400418A (en) * | 2014-09-26 | 2015-03-11 | 黄国峰 | High-refining control method of electromechanical device |
| TWI629440B (en) * | 2016-10-28 | 2018-07-11 | 崑山科技大學 | Tilting solar tracking system used at low latitude |
| CN112099537A (en) * | 2020-09-21 | 2020-12-18 | 金华橙果环保科技有限公司 | Sun position tracking method for photovoltaic power generation |
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Application publication date: 20140108 |