CN102841610A - Sun-patrolling sensing control device based on solar panel and neural network - Google Patents
Sun-patrolling sensing control device based on solar panel and neural network Download PDFInfo
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- CN102841610A CN102841610A CN2012102280811A CN201210228081A CN102841610A CN 102841610 A CN102841610 A CN 102841610A CN 2012102280811 A CN2012102280811 A CN 2012102280811A CN 201210228081 A CN201210228081 A CN 201210228081A CN 102841610 A CN102841610 A CN 102841610A
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Abstract
The invention discloses a sun-patrolling sensing control device based on a solar panel and a neural network, which mainly consists of a sun direction collector and a controller, wherein the sun direction collector comprises two groups of mutually-cross solar photovoltaic panels, a baffle plate and a transparent-material housing; the two groups of mutually-cross solar photovoltaic panels are divided into four vertically-cross blocks by the baffle plate; the solar photovoltaic panels and the baffle plate are completely covered by the transparent-material housing; the sun direction is judged by comparing the voltages of four solar photovoltaic cells; when an angle is formed between the sun direction collector and sunlight, a shade is caused by the baffle plate; the specific value of output voltages of the photovoltaic panels on two sides is increased to increase the sensitivity; the motor is controlled by the controller to operate to realize the automatic sun patrolling of a solar photovoltaic array; the self-learning of the switching time and the operation speed of a daily electromotor of a system is realized by a neural network algorithm chip in the controller, and a deviation fault error is greatly reduced.
Description
Technical field
The invention belongs to the solar-photovoltaic technology field, relate to a kind of photovoltaic plant and patrol a day tracker sensing and controlling device, be specifically related to a kind of photovoltaic plant and patrol a day sensing and controlling device based on solar panel and neuroid.
Background technology
Two kinds nothing more than of existing solar energy automatic tracking sensing and controlling devices: an a kind of light sensor and Schmidt trigger or monostalbe trigger of being to use constitutes the stall that light-operated Schmidt trigger or light-operated monostalbe trigger are controlled motor; Another kind is to use two light sensors and two comparers to constitute the rotating that two light-operated comparers are controlled motor respectively.Since throughout the year, sooner or later and noon surround lighting and the strong and weak variation range of sunlight all very big; Owing to receive the influence in photoresistance sensitivity and life-span; Above-mentioned two kinds of controllers are difficult to make the big sun ability round-the-clock tracking sun of the receiving trap four seasons, have influenced the efficient of photovoltaic plant.
Summary of the invention
In order to overcome the deficiency of existing regular solar photovoltaic tracking system, the invention provides a kind of photovoltaic plant based on solar panel and neuroid algorithm of solar energy photovoltaic array automatic sun tracing of can realizing and patrol the photosensitive sensing and controlling device of day tracker.
Photovoltaic plant based on solar panel and neuroid of the present invention patrols day sensing and controlling device and mainly is made up of solar direction collector and controller; Wherein the solar direction collector comprises two groups of cross one another solar photovoltaic cell panels, shutter and transparent material case; Shutter is divided into four of square crossing, complete solar photovoltaic cell panel and the shutter of covering of transparent material case with two groups of solar photovoltaic cell panels.
The orientation of employing motor-driven solar energy photovoltaic panel moves and is divided into horizontal direction control and vertical direction control.Realize that according to radiation direction shifting the thinking of following the tracks of automatically places a solar direction collector above the solar energy photovoltaic array; The solar direction collector comprises two groups of small-sized solar cell panels that intersect and seals up the transparent material cover cap; The luminous energy that the small light battery plate that intersects receives changes with sun irradiation angle; When the solar light irradiation angle was rotated in time, photoelectric cell collection and the voltage swing of seeing off can change.The voltage of four small light battery plate outputs of controller sampling; To confirm the moving direction of the sun; When the move angle of the sun during greater than certain value (level or vertically on the voltage of two batteries during greater than certain ratio); Controller control motor rotates to realize the photovoltaic panel horizontal direction or/and the angle of vertical direction changes, motor with clockwise or rotate counterclockwise control photovoltaic panel towards each angle change.
The voltage of the solar photovoltaic cell panel of four cross arrangement of contrast is judged solar direction, thereby controls the automatic sun tracing that motor rotation is realized the solar energy photovoltaic array through controller; When there were angle in this system and device and sunray, shutter can cause shade, increased sensitivity thereby make both sides photovoltaic battery panel output voltage ratio increase; Through the neuroid algorithm chip in the controller realize system every day motor switching time and running speed self-teaching, reduce departing from property fault error greatly.
Description of drawings
Accompanying drawing 1 is the structural representation that the photovoltaic plant based on solar panel and neuroid of the present invention patrols day sensing and controlling device;
Accompanying drawing 2-4 is that the photovoltaic plant based on solar panel and neuroid of the present invention patrols the schematic diagram of day sensing and controlling device horizontal direction from motion tracking;
Embodiment
Below in conjunction with embodiment and accompanying drawing the photovoltaic plant based on solar panel and neuroid of the present invention being patrolled a day sensing and controlling device sets forth in detail; Thereby protection scope of the present invention is made more explicit defining so that advantage of the present invention and characteristic can be easier to it will be appreciated by those skilled in the art that.
Photovoltaic plant based on solar panel and neuroid of the present invention patrols day sensing and controlling device and mainly is made up of solar direction collector and controller; Shown in accompanying drawing 1, wherein the solar direction collector comprises two groups of cross one another solar photovoltaic cell panels 1, transparent material case 2, shutter 3.
Horizontal direction from motion tracking with identical with the automatic following principle of vertical direction; With the horizontal direction is example, and shown in accompanying drawing 2-4, this device is made up of left and right sides photoelectric cell, controller and motor three parts; Four photoelectric cells are installed on the photovoltaic in a certain angle; With its synchronous operation,, set the voltage difference (V of solar direction collector left and right sides photoelectric cell output by controller when light source direction during over against sun tracing apparatus
1: V
2) be initial value, the interior not conducting of control circuit of controller this moment, device is in halted state.In a single day the solar source direction changes, and then photoelectric cell output voltage in the left and right sides produces difference (V
1: V
2), export corresponding signal after relatively amplifying through circuit in the controller: when the right light intensity during greater than the left side, i.e. V
1: V
2>During the preliminary examination value, driving circuit 1 conducting in the controller, motor clockwise rotates, and the drive system turns right; When left side light intensity during greater than the right, right photoelectric cell receives stronger light, V
1: V
2<during the preliminary examination value, driving circuit 2 conductings, motor rotates counterclockwise, and the drive system turns right.When left and right sides photoelectric cell no-voltage difference is a light source in the horizontal direction during the vertical incidence photovoltaic panel, driving circuit 1 and driving circuit 2 not conductings in the controller, motor stops operating, and this moment, horizontal direction reached optimized incidence.The photoelectric cell up and down of horizontal direction is accepted light source and is produced voltage difference; Drive motor clockwise rotates and rotates counterclockwise respectively after relatively amplifying; Thereby regulate the angle of inclination of photovoltaic panel horizontal direction, when horizontal direction reached optimized incidence, motor stopped operating.
When solar direction collector horizontal direction during over against sunshine, shadow shield overlaps with sunshine light and is 0 degree, and shadow-free produces; When there are angle in horizontal direction and sunshine light; Sunshine will produce shade through shadow shield, and the photovoltaic panel output voltage of shadow side is diminished, and the photovoltaic panel output voltage of shadow-free side is constant; Thereby in a disguised form increase both sides photovoltaic battery panel output voltage ratio, promptly increase sensitivity.
The duration of runs and the parameter regulation instruction of the chip record certain hour motor of band ANN Control program are also learnt in the controller; The ANN Control program is made up of input layer, hidden layer and output layer; Each layer includes several neurons, and j neuron has following input/output relation in the k layer:
yj(k)=fj(k)(∑Wij(k-1)yi(k-1)-Rj(k))
J=1 wherein, 2 ..., Nk; K=1,2 ..., M
Wij in the formula (k-1) be in (k-1) layer i neuron to the individual neuronic strength of joint of k layer j; Rj (k) is corresponding neuronic threshold values; Fj (k) is neuronic transport function; Nk is a k layer neuron number; M representes total number of plies.
In the control system, with the opening time of a BP ANN Control motor, input layer input several months, several days, what day, what time, the opening time of each motor of output layer output; With the running speed of another BP ANN Control motor, input layer input several months, several days, what day and average velocity, the running speed of each motor of output layer output.With dynamic preceding 4 day data as learning sample by artificial neural network learning, thereby calculate opening time and shut-in time, the speed of each motor on the same day.
The variation range of opening time and shut-in time, speed of finding each motor on the same day when controller is above after a few days ago the variation range and overshoot range values; Controller identifies this tracker and breaks down; With the signal controlling of cutting off the solar direction collector automatically, use the neuron control device instead and control according to the speed and the angle variation range of the study of days past.
This device both can have been set running speed, opening time and the shut-in time changing value of each motor every day according to artificial neural network, also can freely set running speed, opening time and the shut-in time of each motor every day according to administrative center's needs.
This patrols time, velocity variations or difference that day tracker adopts neuroid algorithm self-teaching daily run; When the running angle difference surpassed the mean change scope of the past period, system's automatic adjustment system was got back to normal range or is made corresponding failure warning by controller.
The neuroid algorithm departs from solar source with the resultful mistake of electricity generation system when error takes place the low profile photovoltaic plate of avoiding.
The foregoing description does not limit the present invention in any way, and every employing is equal to the technical scheme that replacement or the mode of equivalent transformation obtain and all drops in protection scope of the present invention.
Claims (4)
1. the photovoltaic plant based on solar panel and neuroid algorithm patrols a day sensing and controlling device; Mainly form by solar direction collector and controller; It is characterized in that: described solar direction collector comprises two groups of cross one another solar photovoltaic cell panels (1), transparent material case (2) and shutter (3); Shutter (3) is divided into two groups of solar photovoltaic cell panels (1) four of square crossing; Complete solar photovoltaic cell panel (1) and the shutter (3) of covering of transparent material case (2); The voltage ratio of the solar photovoltaic cell panel through contrasting four cross arrangement is judged the sunray direction and is controlled motor rotation by controller; Shutter causes shade when there are angle in solar direction collector and sunshine, controller adopts the neuroid algorithm chip to realize the switching time of motor every day and the self-teaching of running speed.
2. the photovoltaic plant based on solar panel and neuroid according to claim 1 patrols a day sensing and controlling device, it is characterized in that: described solar photovoltaic cell panel is made up of horizontal direction autotracker and vertical direction autotracker.
3. the photovoltaic plant based on solar panel and neuroid according to claim 2 patrols a day sensing and controlling device, it is characterized in that: described horizontal direction autotracker is made up of left and right sides photovoltaic cell, controller and motor.
4. the photovoltaic plant based on solar panel and neuroid according to claim 2 patrols a day sensing and controlling device, it is characterized in that: described vertical direction autotracker is by photovoltaic cell, controller and motor are formed up and down.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102280811A CN102841610A (en) | 2012-07-02 | 2012-07-02 | Sun-patrolling sensing control device based on solar panel and neural network |
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| CN2012102280811A CN102841610A (en) | 2012-07-02 | 2012-07-02 | Sun-patrolling sensing control device based on solar panel and neural network |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110247621A (en) * | 2019-07-04 | 2019-09-17 | 四川恒匀通科技有限公司 | A kind of photovoltaic devices for following solar direction persistently to generate electricity |
| CN113315462A (en) * | 2021-06-17 | 2021-08-27 | 福建水利电力职业技术学院 | Automatic sun-following system of clockwork solar power station |
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| JP2007056686A (en) * | 2005-08-22 | 2007-03-08 | Univ Of Ryukyus | Wind power generator's generated power prediction device for several hours based on wind speed prediction |
| CN101801130A (en) * | 2010-02-10 | 2010-08-11 | 金陵科技学院 | Remote intelligent distributed control system and method for solar energy power generating streetlamp |
| CN101988827A (en) * | 2009-07-31 | 2011-03-23 | 无锡昊阳新能源科技有限公司 | Sun tracking detector |
| KR20120021863A (en) * | 2010-08-19 | 2012-03-09 | 강원일 | Hybrid intelligent solar drive circuit using a neural network algorithm |
| US20120166363A1 (en) * | 2010-12-23 | 2012-06-28 | Hongbo He | Neural network fault detection system and associated methods |
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2012
- 2012-07-02 CN CN2012102280811A patent/CN102841610A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1317676A (en) * | 2000-04-13 | 2001-10-17 | 南京春辉科技实业有限公司 | Sunlight tracking sensor and its solar rangh appliance |
| JP2007056686A (en) * | 2005-08-22 | 2007-03-08 | Univ Of Ryukyus | Wind power generator's generated power prediction device for several hours based on wind speed prediction |
| CN101988827A (en) * | 2009-07-31 | 2011-03-23 | 无锡昊阳新能源科技有限公司 | Sun tracking detector |
| CN101801130A (en) * | 2010-02-10 | 2010-08-11 | 金陵科技学院 | Remote intelligent distributed control system and method for solar energy power generating streetlamp |
| KR20120021863A (en) * | 2010-08-19 | 2012-03-09 | 강원일 | Hybrid intelligent solar drive circuit using a neural network algorithm |
| US20120166363A1 (en) * | 2010-12-23 | 2012-06-28 | Hongbo He | Neural network fault detection system and associated methods |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110247621A (en) * | 2019-07-04 | 2019-09-17 | 四川恒匀通科技有限公司 | A kind of photovoltaic devices for following solar direction persistently to generate electricity |
| CN113315462A (en) * | 2021-06-17 | 2021-08-27 | 福建水利电力职业技术学院 | Automatic sun-following system of clockwork solar power station |
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Application publication date: 20121226 |