CN202230392U - All-weather solar intelligent tracking system - Google Patents
All-weather solar intelligent tracking system Download PDFInfo
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- CN202230392U CN202230392U CN2011203860603U CN201120386060U CN202230392U CN 202230392 U CN202230392 U CN 202230392U CN 2011203860603 U CN2011203860603 U CN 2011203860603U CN 201120386060 U CN201120386060 U CN 201120386060U CN 202230392 U CN202230392 U CN 202230392U
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Abstract
The utility model provides an all-weather solar intelligent tracking system including a photoelectric detecting module, a real-time clock, a controller, a driving and executing mechanism and a solar cell panel. The photoelectric detecting module converts photographic strength received from the outside into voltage. The real-time clock provides real-time calendar time information. The controller pre-processes the voltage. When the voltage is smaller than a switching voltage threshold value, the operation of the driving and executing mechanism is controlled according to the real-time calendar time information and a comparison error. When a horizontal voltage or a vertical voltage is larger than the switching voltage threshold value, the horizontal voltage and the vertical voltage are compared respectively, and the operation of the driving and executing mechanism is controlled according to the comparison error. The driving and executing mechanism drives a motor for rotating. The solar cell panel tracks the sun in real time and converts solar energy to electric energy. An angular transducer obtains the comparison error. The all-weather solar intelligent tracking system in the utility model has characteristics of good reliability and high precision, and can be widely applied to tracking systems.
Description
Technical field
The present invention relates to tracking technique, particularly relate to a kind of round-the-clock intelligent sun tracking system.
Background technology
Sun power has the incomparable superiority of fossil energy as a kind of emerging green energy resource; But the sunlight that is radiated ground receives the influence of natural conditions such as weather, latitude, longitude, exists the problem that intermittence, direction of illumination, intensity of illumination constantly change in time.For making full use of sun power, implement solar tracking.At present, the solar tracking mode mainly contains two kinds: a kind of is photoelectric tracking, and another kind is according to looking the daily motion track following.Photoelectric tracking is the power variation adjustment plane skylight angle of photoelectric sensor according to incident ray, realizes solar tracking.Photoelectric tracking is highly sensitive, but is subject to external interference, and tracking accuracy and reliability are all lower.Look the daily motion track following and be each altitude of the sun constantly and solar azimuth adjustment plane skylight angle, realization solar tracking in one day that obtains according to sun moving law.Look daily motion track following strong interference immunity, reliability is higher, but is obtained error effect and the influence of tracking means measure of precision in altitude of the sun and the solar azimuth process, and tracking accuracy is lower.
This shows that in the prior art, solar tracking exists precision low, problems such as poor reliability.
Summary of the invention
In view of this, fundamental purpose of the present invention is to provide a kind of good reliability, round-the-clock intelligent sun tracking system that precision is high.
In order to achieve the above object, the technical scheme of the present invention's proposition is:
A kind of round-the-clock intelligent sun tracking system comprises Photoelectric Detection module, real-time clock, controller, driving and topworks, solar panel; Wherein,
The Photoelectric Detection module; The 3rd sensitization intensity, the 4th sensitization intensity of the first sensitization intensity, the second sensitization intensity and the vertical direction of the horizontal direction that is used for receiving from the external world are converted into first voltage, second voltage, tertiary voltage, the 4th voltage successively, and first voltage, second voltage, tertiary voltage, the 4th voltage are sent to controller.
Real-time clock is used for to controller real-time calendar time information being provided.
Controller is used to store preset switched voltage threshold value; First voltage, second voltage, tertiary voltage, the 4th voltage to from the Photoelectric Detection module carry out mould/number conversion, and first voltage, second voltage, tertiary voltage, the 4th voltage after the storage conversion; When first voltage, second voltage, tertiary voltage, the 4th voltage after the conversion during all less than the switched voltage threshold value; Relative error according to sun calculating location of confirming from the real-time calendar time information of real-time clock and angular transducer transmission; Generate first operational order, and first operational order is sent to driving and topworks and angular transducer; When first voltage and second voltage after the conversion all greater than switched voltage threshold value or tertiary voltage and the 4th voltage during all greater than the switched voltage threshold value; First voltage and second voltage, tertiary voltage and the 4th voltage are compared; When first voltage and second voltage difference be not equal to zero or tertiary voltage and the 4th voltage difference be not equal to when zero; The relative error of sending according to angular transducer generates second operational order, and second operational order is sent to driving and topworks and angular transducer; Also be used to store the sun real time position and the rotation information of first operational order, second operational order, solar panel transmission.
Drive and topworks, be used for first operational order or second operational order, drive horizontal motor or motor vertical and rotate, and rotation command is sent to solar panel according to the controller transmission.
Solar panel is used for the rotation command that sends with topworks according to driving, and said solar panel rotates with the real-time follow-up sun, obtains sun real time position and rotation information, and is electric energy with conversion of solar energy; Simultaneously, send sun real time position and rotation information to controller.
Angular transducer is used for first operational order that comes self-controller or second operational order and rotation information from said solar panel are compared, and relative error is sent to controller.
In sum; The utility model adopt the higher photoelectric tracking of sensitivity and degree of accuracy higher look the complementary tracking mode that the daily motion track following combines; When the intensity of illumination of external environment during, adopt and look daily motion track following mode and follow the tracks of the sun less than the switched voltage threshold value; When the intensity of illumination of external environment during greater than the switched voltage threshold value, adopt tracking illumination electric tracing mode to follow the tracks of the sun, under various environmental baselines, realized round-the-clock solar tracking; Simultaneously, adopt angular transducer to gather the rotation error between the rotational angle of rotational angle and solar panel of horizontal stepper motor, vertical stepper motor, and error is adjusted by controller.The said round-the-clock intelligent sun tracking system of this practical information both can have been avoided extraneous interference to greatest extent; Can revise the rotation error of solar panel again; So the said round-the-clock intelligent sun tracking system of the utility model has stronger reliability and tracking accuracy.
Description of drawings
Fig. 1 is that first kind of the said round-the-clock intelligent sun tracking system of the utility model formed structural representation.
Fig. 2 is the composition structural representation of the said Photoelectric Detection module of the utility model.
Fig. 3 is that second kind of the said round-the-clock intelligent sun tracking system of the utility model formed structural representation.
Fig. 4 is the third composition structural representation of the said round-the-clock intelligent sun tracking system of the utility model.
Fig. 5 is the composition structural representation of the said controller of the utility model.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer, will combine accompanying drawing and specific embodiment that the utility model is done to describe in detail further below.
Fig. 1 is that first kind of the said round-the-clock intelligent sun tracking system of the utility model formed structural representation.As shown in Figure 1, the said round-the-clock intelligent sun tracking system of the utility model comprises Photoelectric Detection module 1, real-time clock 2, controller 3, driving and topworks 4, solar panel 5; Wherein,
Photoelectric Detection module 1; The 3rd sensitization intensity, the 4th sensitization intensity of the first sensitization intensity, the second sensitization intensity and the vertical direction of the horizontal direction that is used for receiving from the external world are converted into first voltage, second voltage, tertiary voltage, the 4th voltage successively, and first voltage, second voltage, tertiary voltage, the 4th voltage are sent to controller 3.
Fig. 2 is the composition structural representation of the said Photoelectric Detection module of the utility model.As shown in Figure 2, figure (a) is the vertical view of Photoelectric Detection module 1, and figure (b) is the stereographic map of Photoelectric Detection module 1.Among figure (a), the figure (b); Photoelectric Detection module 1 comprises 4 photoresistance; Two photoresistance that are positioned on the diagonal line are used for the first sensitization intensity, the second sensitization intensity of horizontal direction are separately converted to first voltage, second voltage, and two photoresistance that are positioned on another diagonal line are used for the 3rd sensitization intensity, the 4th sensitization intensity of vertical direction are separately converted to tertiary voltage, the 4th voltage.
Real-time clock 2 is used for to controller 3 real-time calendar time information being provided.
Controller 3 is used to store preset switched voltage threshold value; First voltage, second voltage, tertiary voltage, the 4th voltage to from Photoelectric Detection module 1 carry out mould/number conversion, and first voltage, second voltage, tertiary voltage, the 4th voltage after the storage conversion; When first voltage, second voltage, tertiary voltage, the 4th voltage after the conversion during all less than the switched voltage threshold value; Relative error according to sun calculating location of confirming from the real-time calendar time information of real-time clock 2 and angular transducer 6 transmissions; Generate first operational order, and first operational order is sent to driving and topworks 4 and angular transducer 6; When first voltage and second voltage after the conversion all greater than switched voltage threshold value or tertiary voltage and the 4th voltage during all greater than the switched voltage threshold value; First voltage and second voltage, tertiary voltage and the 4th voltage are compared; When first voltage and second voltage difference be not equal to zero or tertiary voltage and the 4th voltage difference be not equal to when zero; The relative error of sending according to angular transducer 6 generates second operational order, and second operational order is sent to driving and topworks 4 and angular transducer 6; Also be used to store the sun real time position and the rotation information of first operational order, second operational order, solar panel 5 transmissions.
In the utility model, first operational order comprises computed altitude angle and computer azimuth angle, the relative error of the local sun; Second operational order comprises difference, the relative error of difference, tertiary voltage and the 4th voltage of first voltage and second voltage.Here, sun calculating location comprises the computed altitude angle and the computer azimuth angle of the sun.
In the practical application, controller 3 is ARM7TDMI S3C44BOX.
Drive and topworks 4, be used for first operational order or second operational order, drive horizontal motor or motor vertical and rotate, and rotation command is sent to solar panel 5 according to controller 3 transmissions.
In the utility model, said horizontal motor and said motor vertical are stepper motor.
Solar panel 5 is used for the rotation command that sends with topworks 4 according to driving, and said solar panel 5 rotates with the real-time follow-up sun, obtains sun real time position and rotation information, and is electric energy with conversion of solar energy; Simultaneously, send sun real time position and rotation information to controller 3.
In the practical application, rotation information comprises rotational orientation, the rotational angle of solar panel 5.
In the practical application, when first voltage and second voltage difference greater than zero the time, solar panel 5 rotates to a side of horizontal direction; When first voltage and second voltage difference less than zero the time, solar panel 5 rotates to the opposite side of horizontal direction.When tertiary voltage and the 4th voltage difference greater than zero the time, solar panel 5 rotates to a side of vertical direction; When tertiary voltage and the 4th voltage difference less than zero the time, solar panel 5 rotates to the opposite side of vertical direction.When first voltage and second voltage difference equalled zero, it is static that solar panel 5 keeps in the horizontal direction; When tertiary voltage and the 4th voltage difference equalled zero, solar panel 5 kept static in vertical direction.
Angular transducer 6 is used for first operational order that comes self-controller 3 or second operational order and rotation information from said solar panel 5 are compared, and relative error is sent to controller 3.
In the practical application, angular transducer 6 is connected to ARM7 TDMI S3C44BOX through serial ports RS-232C's.When the actual rotary position of solar panel 5 and horizontal stepper motor or vertical stepper motor outgoing position not simultaneously, ARM7 TDMI S3C44BOX regularly reads error from angular transducer 6.In the utility model, angular transducer 6 is 360 ° of angular transducers.
Here, relative error is for answering the difference between turned position and the solar panel actual rotary position by the computed altitude angle of the sun and computer azimuth angle or first voltage and the definite solar panel of second voltage difference, tertiary voltage and the 4th voltage difference.
In a word; The said round-the-clock intelligent sun tracking system of the utility model; Adopt photoelectric tracking and look the complementary tracking mode that the daily motion track following combines, when the intensity of illumination of external environment during less than the switched voltage threshold value, the higher daily motion track following mode of looking of employing degree of accuracy is followed the tracks of the sun; When the intensity of illumination of external environment during greater than the switched voltage threshold value, adopt the higher photoelectric tracking mode of tracking sensitivity to follow the tracks of the sun, under various environmental baselines, realized round-the-clock solar tracking.The mode of this combined tracking sun both can have been avoided extraneous interference to greatest extent, can revise the rotation error of solar panel again, improved the reliability and the tracking accuracy of the said tracker of the utility model.In addition, the utility model also has characteristic of simple structure.
Fig. 3 is that second kind of the said round-the-clock intelligent sun tracking system of the utility model formed structural representation.As shown in Figure 3, the said round-the-clock intelligent sun tracking system of the utility model also comprises the keyboard 7 of the switched voltage threshold value that is used for 3 storages of default control device.
Fig. 4 is the third composition structural representation of the said round-the-clock intelligent sun tracking system of the utility model.As shown in Figure 4, said round-the-clock intelligent sun tracking system also comprises display screen 8; Wherein,
Controller 3 also is used for sending sun real time position, first operational order or second operational order to display screen 8.
Display screen 8 is used to show to come sun real time position, first operational order or second operational order of self-controller 3.
Fig. 5 is the composition structural representation of the said controller of the utility model.As shown in Figure 5, said controller 3 comprises D/A switch unit 31, switch unit 32, information translation unit 33, comparing unit 34 and storage unit 35; Wherein,
D/A switch unit 31; After being used for first voltage, second voltage, tertiary voltage, the 4th voltage that Photoelectric Detection module 1 is sent carried out mould/number conversion; On the one hand, first voltage, second voltage, tertiary voltage, the 4th voltage after the conversion are sent to switch unit 32; On the other hand, first voltage, second voltage, tertiary voltage, the 4th voltage after the conversion are sent to storage unit 35.
Switch unit 32; First voltage after the conversion that is used for sending when D/A switch unit 31, second voltage, tertiary voltage, the 4th voltage will be forwarded to information translation unit 33 from the real-time calendar time information of real-time clock 2 during all less than the switched voltage threshold value; When first voltage after the conversion that D/A switch unit 31 sends and second voltage all during all greater than the switched voltage threshold value, are forwarded to comparing unit 34 with first voltage, second voltage, tertiary voltage, the 4th voltage after changing greater than switched voltage threshold value or tertiary voltage and the 4th voltage.
Information translation unit 33; The sun calculating location that the real-time calendar time information that is used for transmitting according to switch unit 32 is confirmed and the relative error of angular transducer 6 transmissions; Generate first operational order, and first operational order is sent to angular transducer 6 and driving and topworks 4.
Comparing unit 34; First voltage and second voltage, tertiary voltage and the 4th voltage after the conversion that is used for switch unit 32 is transmitted compare; When first voltage and second voltage difference are not equal to zero or tertiary voltage when being not equal to zero with the 4th voltage difference, generate second operational order according to the relative error of angular transducer 6 transmissions; And second operational order is sent to angular transducer 6 and driving and topworks 4.
Storage unit 35; Be used to store preset switched voltage threshold value; First voltage, second voltage, tertiary voltage, the 4th voltage after the conversion that D/A switch unit 32 sends; First operational order that information translation unit 33 sends, second operational order that comparing unit 34 sends, sun real time position and rotation information that solar panel 5 sends.
In sum, more than being merely the preferred embodiment of the utility model, is not the protection domain that is used to limit the utility model.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 (7)
1. a round-the-clock intelligent sun tracking system is characterized in that, said system comprises Photoelectric Detection module, real-time clock, controller, driving and topworks, solar panel; Wherein,
The Photoelectric Detection module; The 3rd sensitization intensity, the 4th sensitization intensity of the first sensitization intensity, the second sensitization intensity and the vertical direction of the horizontal direction that is used for receiving from the external world are converted into first voltage, second voltage, tertiary voltage, the 4th voltage successively, and first voltage, second voltage, tertiary voltage, the 4th voltage are sent to controller;
Real-time clock is used for to controller real-time calendar time information being provided;
Controller is used to store preset switched voltage threshold value; First voltage, second voltage, tertiary voltage, the 4th voltage to from the Photoelectric Detection module carry out mould/number conversion, and first voltage, second voltage, tertiary voltage, the 4th voltage after the storage conversion; When first voltage, second voltage, tertiary voltage, the 4th voltage after the conversion during all less than the switched voltage threshold value; Relative error according to sun calculating location of confirming from the real-time calendar time information of real-time clock and angular transducer transmission; Generate first operational order, and first operational order is sent to driving and topworks and angular transducer; When first voltage and second voltage after the conversion all greater than switched voltage threshold value or tertiary voltage and the 4th voltage during all greater than the switched voltage threshold value; First voltage and second voltage, tertiary voltage and the 4th voltage are compared; When first voltage and second voltage difference be not equal to zero or tertiary voltage and the 4th voltage difference be not equal to when zero; The relative error of sending according to angular transducer generates second operational order, and second operational order is sent to driving and topworks and angular transducer; Also be used to store the sun real time position and the rotation information of first operational order, second operational order, solar panel transmission;
Drive and topworks, be used for first operational order or second operational order, drive horizontal motor or motor vertical and rotate, and rotation command is sent to solar panel according to the controller transmission;
Solar panel is used for the rotation command that sends with topworks according to driving, and said solar panel rotates with the real-time follow-up sun, obtains sun real time position and rotation information, and is electric energy with conversion of solar energy; Simultaneously, send sun real time position and rotation information to controller;
Angular transducer is used for first operational order that comes self-controller or second operational order and rotation information from said solar panel are compared, and relative error is sent to controller.
2. round-the-clock intelligent sun tracking system according to claim 1 is characterized in that, said horizontal motor and said motor vertical are stepper motor.
3. round-the-clock intelligent sun tracking system according to claim 1 is characterized in that, said controller is ARM7 TDMI S3C44BOX.
4. round-the-clock intelligent sun tracking system according to claim 1 is characterized in that, said angular transducer is 360 ° of angular transducers, and it is through the said controller of being connected to of serial ports RS-232C.
5. round-the-clock intelligent sun tracking system according to claim 1 is characterized in that, said controller comprises D/A switch unit, switch unit, information translation unit, comparing unit and storage unit; Wherein,
The D/A switch unit; After being used for first voltage, second voltage, tertiary voltage, the 4th voltage that said Photoelectric Detection module is sent carried out mould/number conversion; On the one hand, first voltage, second voltage, tertiary voltage, the 4th voltage after the conversion are sent to switch unit; On the other hand, first voltage, second voltage, tertiary voltage, the 4th voltage after the conversion are sent to storage unit;
Switch unit is used for will being forwarded to the information translation unit from the real-time calendar time information of said real-time clock when first voltage after the conversion that the D/A switch unit sends, second voltage, tertiary voltage, the 4th voltage during all less than the switched voltage threshold value; When first voltage after the conversion that the D/A switch unit sends and second voltage all during all greater than the switched voltage threshold value, are forwarded to comparing unit with first voltage, second voltage, tertiary voltage, the 4th voltage after changing greater than switched voltage threshold value or tertiary voltage and the 4th voltage;
The information translation unit; The relative error that sun calculating location that the real-time calendar time information that is used for transmitting according to switch unit is confirmed and said angular transducer send; Generate first operational order, and first operational order is sent to said angular transducer and said driving and topworks;
Comparing unit; First voltage and second voltage, tertiary voltage and the 4th voltage after the conversion that is used for switch unit is transmitted compare; When first voltage and second voltage difference are not equal to zero or tertiary voltage when being not equal to zero with the 4th voltage difference, generate second operational order according to the relative error of said angular transducer transmission; And second operational order is sent to said angular transducer and said driving and topworks;
Storage unit; Be used to store preset switched voltage threshold value; First voltage, second voltage, tertiary voltage, the 4th voltage after the conversion that the D/A switch unit sends; First operational order that the information translation unit sends, second operational order that comparing unit sends, sun real time position and rotation information that said solar panel sends.
6. round-the-clock intelligent sun tracking system according to claim 5 is characterized in that, said system also comprises the keyboard of the switched voltage threshold value that is used for preset said controller storage.
7. round-the-clock intelligent sun tracking system according to claim 6 is characterized in that said system also comprises display screen; Wherein,
Said controller also is used for sending sun real time position, first operational order or second operational order to display screen;
Display screen is used to show sun real time position, first operational order or second operational order from said controller.
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| CN2011203860603U CN202230392U (en) | 2011-09-27 | 2011-09-27 | All-weather solar intelligent tracking system |
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| CN2011203860603U CN202230392U (en) | 2011-09-27 | 2011-09-27 | All-weather solar intelligent tracking system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103488190A (en) * | 2013-09-26 | 2014-01-01 | 河南理工大学 | Automatic sun tracking fuzzy control system based on particle swarm algorithm |
| CN103592957A (en) * | 2013-11-11 | 2014-02-19 | 深圳市易能电气技术有限公司 | Solar cell panel array and automatic light following system and method thereof |
| CN104007769A (en) * | 2014-04-30 | 2014-08-27 | 燕山大学 | Solar tracking control method for calibrating aerostat batteries |
| CN105259930A (en) * | 2015-11-25 | 2016-01-20 | 佛山科学技术学院 | All-weather solar azimuth tracking method and device |
| CN105302165A (en) * | 2015-11-27 | 2016-02-03 | 胡国旺 | Photovoltaic power generation automatic tracking system |
-
2011
- 2011-09-27 CN CN2011203860603U patent/CN202230392U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103488190A (en) * | 2013-09-26 | 2014-01-01 | 河南理工大学 | Automatic sun tracking fuzzy control system based on particle swarm algorithm |
| CN103592957A (en) * | 2013-11-11 | 2014-02-19 | 深圳市易能电气技术有限公司 | Solar cell panel array and automatic light following system and method thereof |
| CN103592957B (en) * | 2013-11-11 | 2017-01-18 | 深圳易能电气技术股份有限公司 | Solar cell panel array and automatic light following system and method thereof |
| CN104007769A (en) * | 2014-04-30 | 2014-08-27 | 燕山大学 | Solar tracking control method for calibrating aerostat batteries |
| CN104007769B (en) * | 2014-04-30 | 2016-08-24 | 燕山大学 | Aerostat battery is demarcated and is used solar tracking control method |
| CN105259930A (en) * | 2015-11-25 | 2016-01-20 | 佛山科学技术学院 | All-weather solar azimuth tracking method and device |
| CN105259930B (en) * | 2015-11-25 | 2018-02-23 | 佛山科学技术学院 | Round-the-clock solar azimuth tracking and device |
| CN105302165A (en) * | 2015-11-27 | 2016-02-03 | 胡国旺 | Photovoltaic power generation automatic tracking system |
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Granted publication date: 20120523 Termination date: 20140927 |
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