CN202443335U - Automatic correction system of tracking type solar photovoltaic power generation system - Google Patents
Automatic correction system of tracking type solar photovoltaic power generation system Download PDFInfo
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- CN202443335U CN202443335U CN2012200461447U CN201220046144U CN202443335U CN 202443335 U CN202443335 U CN 202443335U CN 2012200461447 U CN2012200461447 U CN 2012200461447U CN 201220046144 U CN201220046144 U CN 201220046144U CN 202443335 U CN202443335 U CN 202443335U
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Abstract
The utility model discloses an automatic correction system of a tracking type solar photovoltaic power generation system. The automatic correction system comprises an active tracking unit and an energy receiving amount evaluation feedback unit, wherein the energy receiving amount evaluation feedback unit is arranged on the surface of the active tracking unit in a matching manner and is signal connection with the active tracking unit. The automatic correction system of the tracking type solar photovoltaic power generation system, disclosed by the utility model, can prevent defects of low energy conversion efficiency, poor practicability and the like in the prior art so as to realize the advantages of high energy conversion efficiency and good practicability.
Description
Technical field
The utility model relates to the photovoltaic power generation technology field, particularly, relates to the automatic correction system of motion tracking solar photovoltaic generating system.
Background technology
At present; Solar photovoltaic tracking formula generation technology; Comprise 2 kinds of generation modes: a kind of is initiatively to follow the tracks of, and just goes out the position angle and the angle of pitch of the sun of the point under current point in time and the longitude and latitude coordinate through astronomical algorithm computation, adjusts the angle and direction of solar panels then through mechanical hook-up; Let almost completely vertical the penetrating on solar panels of ray of the sun, to obtain maximum energy output; A kind of in addition is passive tracking, finds an energy to obtain maximum point through light sensor comparison transmitted intensity, and when position of sun moved change, light sensor was experienced transmitted intensity and changed, and then makes passive adjustment.
But above-mentioned generation mode is when weather changes; Sunshine is hidden by clouds, and part is covered, and perhaps light sees through when the cloud layer generation is certain to be reflected; Only, do not adjust to the actual effect of ceiling capacity acceptance point through geomagnetic sensor and astronomical algorithm.
In realizing the process of the utility model, the inventor find to exist at least in the prior art energy conversion efficiency low with defective such as poor practicability.
The utility model content
The purpose of the utility model is, to the problems referred to above, proposes the automatic correction system of motion tracking solar photovoltaic generating system, to realize the high and good advantage of practicality of energy conversion efficiency.
For realizing above-mentioned purpose; The technical scheme that the utility model adopts is: the automatic correction system of motion tracking solar photovoltaic generating system; Comprise initiatively tracking cell, and the energy quantities received assessment feedback unit that is equipped with on said active tracking cell surface and is connected with active tracking cell signal.
Further, said active tracking cell comprises geomagnetic sensor, master controller and the mechanical adjustment module of signal connection successively, and said mechanical adjustment module is connected with energy quantities received assessment feedback unit signal.
Further; Said energy quantities received assessment feedback unit comprises the light sensor and the power computation module of signal connection successively; Said mechanical adjustment module is connected with the light sensor signal, and said power computation module is used for through RS232 serial ports output result of calculation and feeds back to master controller during with the corresponding calculated fructufy.
Further; The automatic correction system of above-described motion tracking solar photovoltaic generating system; Also comprise the power module that is used to each consumer power supply, said power module is electrically connected with the consumer that active tracking cell and energy quantities received are assessed in the feedback unit respectively.
Further, said light sensor comprises that at least the model of ROHM company is the sensor of BH1603FVC-TR.
Further, said power computation module comprises that at least the model of Cirrus Logic company is the computing module of CS5460.
Simultaneously, another technical scheme that the utility model adopts is: the implementation method according to the automatic correction system of above-described motion tracking solar photovoltaic generating system comprises:
Master controller combines geomagnetic sensor; Obtain the position angle of photovoltaic battery panel and the theoretical value of the angle of pitch according to astronomical algorithm computation; Through the mechanical adjustment module the current attitude of photovoltaic battery panel is remedied to theoretical position angle and pitch position, starts light sensor simultaneously;
Current energy quantities received is gathered and stored to light sensor in real time, and corresponding energy quantities received is fed back to master controller, and up slowly rotate through the angle of pitch driven by motor photovoltaic battery panel of main controller controls photovoltaic battery panel;
The size variation trend of the current energy quantities received of master controller real time discriminating, and the position of adjustment photovoltaic battery panel during according to corresponding differentiation fructufy.
The operation of the position of adjustment photovoltaic battery panel comprised when further, said basis was differentiated fructufy accordingly:
If the energy quantities received of current sampling instant is bigger than the energy quantities received of a last sampling instant, then continue the operation that said angle of pitch driven by motor photovoltaic battery panel up rotates;
If the energy quantities received of current sampling instant is littler than the energy quantities received of a last sampling instant, the angle of pitch motor of then controlling photovoltaic battery panel begins to drive photovoltaic battery panel and rotates toward opposite direction.
The operation of the position of adjustment photovoltaic battery panel also comprised when further, said basis was differentiated fructufy accordingly:
At said angle of pitch driven by motor photovoltaic battery panel in opposite direction rotating process; If the energy quantities received of current sampling instant is bigger than the energy quantities received of a last sampling instant, then continue the operation that said angle of pitch driven by motor photovoltaic battery panel rotates toward opposite direction;
, in opposite direction rotating process, if the energy quantities received of current sampling instant is littler than the energy quantities received of a last sampling instant, then finishing to correct at said angle of pitch driven by motor photovoltaic battery panel, is optimum point with the current location of photovoltaic battery panel.
The automatic correction system of the motion tracking solar photovoltaic generating system of each embodiment of the utility model; Because this system comprises initiatively tracking cell, and the energy quantities received assessment feedback unit that is equipped with on active tracking cell surface and is connected with active tracking cell signal; Can be on the basis of the active tracking cell that astronomical algorithm is initiatively followed the tracks of, in conjunction with energy quantities received assessment feedback unit, the energy receiving ability of optimizing photovoltaic battery panel under various different weather situations is assisted in maximization; Thereby can overcome the low defective with poor practicability of energy conversion efficiency in the prior art, with realize energy conversion efficiency high with the good advantage of practicality.
Further feature of the utility model and advantage will be set forth in instructions subsequently, and, partly from instructions, become obvious, perhaps understand through implementing the utility model.The purpose of the utility model can realize through the structure that in the instructions of being write, claims and accompanying drawing, is particularly pointed out and obtain with other advantages.
Through accompanying drawing and embodiment, the technical scheme of the utility model is done further detailed description below.
Description of drawings
Accompanying drawing is used to provide the further understanding to the utility model, and constitutes the part of instructions, is used to explain the utility model with the embodiment of the utility model, does not constitute the restriction to the utility model.In the accompanying drawings:
Fig. 1 is the principle of work synoptic diagram according to the automatic correction system of the utility model motion tracking solar photovoltaic generating system;
Fig. 2 is the signal waveform synoptic diagram according to adjustment process in the automatic correction system of the utility model motion tracking solar photovoltaic generating system;
Fig. 3 is the schematic flow sheet according to the implementation method of the automatic correction system of the utility model motion tracking solar photovoltaic generating system.
In conjunction with accompanying drawing, Reference numeral is following among the utility model embodiment:
1-is tracking cell initiatively; The 11-master controller; 12-mechanical adjustment module; 2-energy quantities received assessment feedback unit; The 21-light sensor; The 22-power computation module.
Embodiment
Describe below in conjunction with the preferred embodiment of accompanying drawing, should be appreciated that preferred embodiment described herein only is used for explanation and explains the utility model, and be not used in qualification the utility model the utility model.
System embodiment
According to the utility model embodiment, the automatic correction system of motion tracking solar photovoltaic generating system is provided.As depicted in figs. 1 and 2; Present embodiment comprises initiatively tracking cell 1; Be equipped with on said active tracking cell 1 surface and the energy quantities received that is connected with active tracking cell 1 signal assessment feedback unit 2; And the power module that is used to each consumer power supply, power module is electrically connected with the consumer that active tracking cell 1 and energy quantities received are assessed in the feedback unit 2 respectively.
In the above-described embodiments, initiatively tracking cell 1 comprises geomagnetic sensor, the master controller 11 and mechanical adjustment module 12 of signal connection successively, and mechanical adjustment module 12 is connected with energy quantities received assessment feedback unit 2 signals.Energy quantities received assessment feedback unit 2 comprises the light sensor 21 and power computation module 22 of signal connection successively; Mechanical adjustment module 12 is connected with light sensor 21 signals, and power computation module 22 is used for through RS232 serial ports output result of calculation and feeds back to master controller 11 during with the corresponding calculated fructufy.
In the above-described embodiments, light sensor 21 comprises that at least the model of ROHM company is the sensor of BH1603FVC-TR, and power computation module 22 comprises that at least the model of Cirrus Logic company is the computing module of CS5460.
In addition; In the above-described embodiments; Master controller 11 can be that model is the microprocessor of Atmel AT91SAM9G20; Geomagnetic sensor can be that the model of Holleywell company is the sensor of HMC5843, and the angle of pitch motor of photovoltaic battery panel can be that model is the motor of SEW RX57 class.
The automatic correction system of the motion tracking solar photovoltaic generating system of the foregoing description; In order to solve the initiatively automatic adjustment problem of the ceiling capacity point of solar electrical energy generation tracking under the different weather state of astronomical algorithm; In system's (i.e. active tracking cell 1) that original astronomical algorithm is initiatively followed the tracks of, add light sensor 21 and, obtain under weather conditions arbitrarily, can adjusting to the state that ceiling capacity receives then from NMO correction optimized Algorithm (being power computation module 22).
During practical implementation, can add light sensor 21 energy on original active tracking solar electricity generation system surface and receive the assessment electronic module.After following the tracks of beginning; Astronomical algorithm computation goes out the position angle and the angle of pitch of the current sun; Through mechanical system (being mechanical adjustment module 12) photovoltaic battery panel is adjusted to corresponding position angle and pitch position then, start light sensor 21 then, begin to assess the real-time energy size that present solar rays produces in light sensor 21 the insides; Whole then photovoltaic battery panel starts a little dither process, and control angle of pitch motor begins to let photovoltaic battery panel upwards slowly rotate earlier; Calculate the size of the energy that produces in light sensor 21 the insides real-time in the whole rotation process simultaneously, if it is increasing to produce real-time energy, then continue up to rotate, until till received energy no longer increases in real time.If energy is more and more littler, then toward counter-rotation, then received energy begins to increase gradually in real time, turns to till energy no longer increases always.
System embodiment
According to the utility model embodiment, the implementation method of the automatic correction system of motion tracking solar photovoltaic generating system is provided.As shown in Figure 3, present embodiment comprises:
Step 100: start power module; Master controller combines geomagnetic sensor; Obtain the position angle of photovoltaic battery panel and the theoretical value of the angle of pitch according to astronomical algorithm computation; Through the mechanical adjustment module the current attitude of photovoltaic battery panel is remedied to theoretical position angle and pitch position, starts light sensor simultaneously, execution in step 101;
Step 101: current energy quantities received is gathered and stored to light sensor in real time, corresponding energy quantities received fed back to master controller, execution in step 102;
Step 102: the angle of pitch driven by motor photovoltaic battery panel of main controller controls photovoltaic battery panel up slowly rotates, execution in step 103;
Step 103: the size variation trend of the current energy quantities received of master controller real time discriminating; If the energy quantities received of current sampling instant is bigger than the energy quantities received of a last sampling instant; Then return step 102, continue the operation that said angle of pitch driven by motor photovoltaic battery panel up rotates;
If the energy quantities received of current sampling instant is littler than the energy quantities received of a last sampling instant, then execution in step 104:
Step 104: the angle of pitch motor of main controller controls photovoltaic battery panel begins to drive photovoltaic battery panel and rotates execution in step 105 toward opposite direction;
Step 105: at angle of pitch driven by motor photovoltaic battery panel in opposite direction rotating process, the size variation trend of the current energy quantities received of master controller real time discriminating:
If the energy quantities received of current sampling instant is bigger than the energy quantities received of a last sampling instant, then return step 104, continue the operation that angle of pitch driven by motor photovoltaic battery panel rotates toward opposite direction;
If the energy quantities received of current sampling instant is littler than the energy quantities received of a last sampling instant, then execution in step 106;
Step 106: finishing this and correct, is optimum point with the current location of photovoltaic battery panel.
The embodiment that above-mentioned steps 100-step 106 shows is under the technological prerequisite of initiatively following the tracks of, and the effect of initiatively following the tracks of is improved and optimizes through light sensor.Because; Have only the active tracking mode of astronomical algorithm to have the advantage of following the tracks of the timely no hysteresis quality of timely adjustment; But when weather changed, sunshine was hidden by clouds, and part is covered; Perhaps light sees through when the cloud layer generation is certain to be reflected, and does not only adjust to the actual effect of ceiling capacity receiving station through geomagnetic sensor and astronomical algorithm (i.e. active tracking cell); So, need add light sensor backup system (being energy quantities received assessment feedback unit) in the above-described embodiments.
In sum; The automatic correction system of the motion tracking solar photovoltaic generating system of the utility model the foregoing description; Can overcome under the single astronomical algorithm active tracing mode; Can't to local weather change the sunshine ray cause angle variation and the corresponding problem of making variation lets system have autonomous robotization identification and seeks the function of current ceiling capacity acceptance point, thereby further increase the efficient of conversion of solar energy electric energy.
What should explain at last is: the above is merely the preferred embodiment of the utility model; Be not limited to the utility model; Although the utility model has been carried out detailed explanation with reference to previous embodiment; For a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (6)
1. the automatic correction system of motion tracking solar photovoltaic generating system is characterized in that, comprises initiatively tracking cell, and the energy quantities received assessment feedback unit that is equipped with on said active tracking cell surface and is connected with active tracking cell signal.
2. the automatic correction system of motion tracking solar photovoltaic generating system according to claim 1; It is characterized in that; Said active tracking cell comprises geomagnetic sensor, master controller and the mechanical adjustment module of signal connection successively, and said mechanical adjustment module is connected with energy quantities received assessment feedback unit signal.
3. the automatic correction system of motion tracking solar photovoltaic generating system according to claim 2; It is characterized in that; Said energy quantities received assessment feedback unit comprises the light sensor and the power computation module of signal connection successively; Said mechanical adjustment module is connected with the light sensor signal, and said power computation module is used for through RS232 serial ports output result of calculation and feeds back to master controller during with the corresponding calculated fructufy.
4. according to the automatic correction system of each described motion tracking solar photovoltaic generating system among the claim 1-3; It is characterized in that; Also comprise the power module that is used to each consumer power supply, said power module is electrically connected with the consumer that active tracking cell and energy quantities received are assessed in the feedback unit respectively.
5. according to the automatic correction system of each described motion tracking solar photovoltaic generating system among the claim 1-3, it is characterized in that said light sensor comprises that at least the model of ROHM company is the sensor of BH1603FVC-TR.
6. according to the automatic correction system of each described motion tracking solar photovoltaic generating system among the claim 1-3, it is characterized in that said power computation module comprises that at least the model of Cirrus Logic company is the computing module of CS5460.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012200461447U CN202443335U (en) | 2012-02-13 | 2012-02-13 | Automatic correction system of tracking type solar photovoltaic power generation system |
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| CN2012200461447U CN202443335U (en) | 2012-02-13 | 2012-02-13 | Automatic correction system of tracking type solar photovoltaic power generation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102566600A (en) * | 2012-02-13 | 2012-07-11 | 无锡泰克塞斯新能源科技有限公司 | Automatic correction system for tracking type solar photovoltaic generating system and realization method thereof |
| WO2013120242A1 (en) * | 2012-02-13 | 2013-08-22 | 无锡泰克塞斯新能源科技有限公司 | Tracking type photovoltaic power generation system and implementing method thereof based on three-dimensional geomagnetic sensor |
-
2012
- 2012-02-13 CN CN2012200461447U patent/CN202443335U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102566600A (en) * | 2012-02-13 | 2012-07-11 | 无锡泰克塞斯新能源科技有限公司 | Automatic correction system for tracking type solar photovoltaic generating system and realization method thereof |
| WO2013120242A1 (en) * | 2012-02-13 | 2013-08-22 | 无锡泰克塞斯新能源科技有限公司 | Tracking type photovoltaic power generation system and implementing method thereof based on three-dimensional geomagnetic sensor |
| CN102566600B (en) * | 2012-02-13 | 2015-08-26 | 无锡泰克塞斯新能源科技有限公司 | The automatic correction system of motion tracking solar photovoltaic generating system and its implementation |
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Granted publication date: 20120919 |