CN202948329U - Tracking apparatus of solar tracker - Google Patents
Tracking apparatus of solar tracker Download PDFInfo
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- CN202948329U CN202948329U CN 201220320570 CN201220320570U CN202948329U CN 202948329 U CN202948329 U CN 202948329U CN 201220320570 CN201220320570 CN 201220320570 CN 201220320570 U CN201220320570 U CN 201220320570U CN 202948329 U CN202948329 U CN 202948329U
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Abstract
Provided by the utility model is a tracking apparatus of a solar tracker. The tracking apparatus comprises: a motor; a controller, which is used for controlling the motor to move a solar panel of the solar tracker to a first position according to the current time parameter and a position of an area that the solar tracker is located at; a sun angle sensor circuit, which is used for obtaining a sun angle parameter to determine a second position of the solar panel; a comparison circuit, which is used for determining whether an difference of angles respectively corresponding to the second position and the first position is in a predetermined angle range; and a driver, which is used for driving the motor to carry out correction on an angle corresponding to the first position by taking an angle corresponding to the second position as the reference when the comparison circuit determines that the difference of the angles respectively corresponding to the second position and the first position is in the predetermined angle range. According to the utility model, a problem that the system is unstable because the solar tracker under mixed control is greatly influenced by the environment according to related technologies can be solved, thereby realizing the effect that the stability of the solar tracker is improved.
Description
Technical field
The utility model relates to field of solar energy, in particular to a kind of tracking means of solar tracking device.
Background technology
Traditional solar panels are fixed angle and orientation, can not fully effectively utilize sun power like this.If solar panels can be followed the tracks of the sun, guarantee that incident angle and the solar panels of sunshine are perpendicular, can improve the generating efficiency of solar panels.The appearance of solar tracking device has well solved the problems referred to above, and sun tracker can be realized the tracking to the sun, improves generating efficiency.
In existing solar tracking device, mainly contain following 3 kinds of control modes:
1) computing method: by local longitude and latitude and time, controller calculates angle corresponding to each special time, then controls whole device and turns to suitable position.Controller can be selected single-chip microcomputer, DSP or other.
2) look-up table: calculate the corresponding angle of special time solar panels by PC, these data are kept in controller, then in these specific times, control whole device and turn to suitable position.
3) sensor method: by the relation of the current attitude of sun-sensor real-time detection apparatus and solar incident angle degree, continue the position of adjusting gear.
In above-mentioned control method, computing method and look-up table are mode commonly used, and cardinal principle is to calculate solar azimuth and the sun altitude in a certain moment by controller, then controls motor and rotates to corresponding angle.The advantage of this control mode is that method is simple, not limited by weather conditions, but its accuracy requirement to machinery is higher, and system's control accuracy is lower.
The sensor method is mainly to detect in real time the solar azimuth of corresponding solar azimuth, sun altitude and current reality of current attitude, the difference between sun altitude by the sun angle sensor, then control the motor rotation and dwindle gradually difference in the permissible error scope, be i.e. the control method of feedback.The advantage of this control mode is mechanical precision to be required low, and system accuracy is high, and still, the system that is controlled under cloudy day or the weather conditions such as cloudy of this mode is unstable, is very easy to occur misoperation.
The mode of controlling of mixing that adopts is also arranged in prior art, and particularly, system adopts sensor method to control when weather conditions are good, and when weather conditions are bad, system adopts computing method and look-up table.In the mode that this mixing is controlled, decision systems is operated in the factor of which kind of control mode and is: the signal that the sun angle sensor returns is judged, if the information that sensor signal is returned is for there being illumination, the control mode that adopts sensor method to relate to, otherwise the control mode that adopts computing method or look-up table to relate to.This decision procedure is too simple, exists following several situations may cause erroneous judgement disconnected:
1) sensor because the causes such as rainy water inlet have been gone bad, sends wrong signal.Sensor is because be directly exposed in air, and optical processing system need to be arranged, and sealing property is relatively low, very easily damages.
2) sensor is attached on optical processing system due to rainwater or leaf, has been judged as illumination, the control mode that adopts sensor method to relate to, but there is very large error in the data of returning.
3) sensor is because non-solar irradiation causes misoperation.
As seen, the solar tracking device that this mixing is controlled is affected by environment larger, thereby causes error larger, and system is unstable.
For mixing the solar tracking device of the controlling unsettled problem of system that causes greatly affected by environment in correlation technique, effective solution is proposed not yet at present.
The utility model content
The utility model provides a kind of tracking means of solar tracking device, mixes the solar tracking device of the controlling unsettled problem of system that causes greatly affected by environment to solve.
The utility model provides a kind of tracking means of solar tracking device, and this device is positioned at solar tracking device, comprising: motor; Controller is connected with motor, is used for according to current time parameter and the residing region position control motor of solar tracking device, the solar panels of solar tracking device being moved to primary importance; The sun angle sensor circuit is connected with controller, is used for obtaining the sun angle parameter to determine the second place of solar panels; Comparator circuit is connected with the sun angle sensor circuit with controller, is used for judging that the second place differential seat angle corresponding with primary importance is whether in predetermined angular range; And driver, be connected with controller, comparator circuit and motor, be used for judging the second place differential seat angle corresponding with primary importance in predetermined angular range the time, drive motor is as the criterion with angle corresponding to the second place angle corresponding to primary importance is proofreaied and correct.
Further, controller comprises: clock chip is used for reading the current time parameter; Storer is for the longitude and latitude of the residing regional location of storage solar tracking device; And counting circuit, be connected with storer with clock chip, be used for calculating first party parallactic angle, the first elevation angle and first incident ray of the sun under the longitude and latitude of current time parameter and current location to determine the primary importance of solar panels, wherein, in primary importance, solar panels are vertical with the sun the first incident ray;
Further, the sun angle sensor circuit comprises: the sun angle sensor, for second party parallactic angle and the second elevation angle of obtaining the sun that detects; Computing module, be connected with the sun angle sensor, the second incident ray that is used for determining the sun according to the second party parallactic angle of obtaining and the second elevation angle is to calculate the second place of solar panels, wherein, in the second place, solar panels are vertical with the second incident ray.
Further, comparator circuit comprises: the first comparator circuit is used for judging that the second place differential seat angle corresponding with the horizontal direction of primary importance is whether in predetermined angular range; And second comparator circuit, be used for judging that the second place differential seat angle corresponding with the vertical direction of primary importance is whether in predetermined angular range.
Further, driver comprises: the first drive unit, be connected with the first comparator circuit, be used for judging the second place differential seat angle corresponding with the horizontal direction of primary importance in predetermined angular range the time, drive motor is as the criterion with angle corresponding to the horizontal direction of the second place angle corresponding to the horizontal direction of primary importance is proofreaied and correct; And second drive unit, be connected with the second comparator circuit, be used for judging the second place differential seat angle corresponding with the vertical direction of primary importance in predetermined angular range the time, drive motor is as the criterion with angle corresponding to the vertical direction of the second place angle corresponding to the vertical direction of primary importance is proofreaied and correct.
pass through the utility model, at first residing according to solar tracking device regional location and current time calculate the position of following the tracks of for the first time of solar tracking device, and move so far, and then again determine the position of tracking according to the sun angle sensor of solar tracking device, because although the method precision that adopts sensor to detect is higher, but less stable, easily be subject to the impact of other external environment, thereby before proofread and correct the position of solar tracking device the position of selecting whether to adopt the sun angle sensor to determine, twice definite tracing positional compared, if in the scope that error allows again, judging position that this measuring process sun angle sensor determines, affected by environmental error less, proofread and correct the position of following the tracks of for the first time the position of determining according to the sun angle sensor.This control mode can effectively solve mixes the solar tracking device of the controlling unsettled problem of system that causes greatly affected by environment in correlation technique, reach the effect of the stability that has improved solar tracking device.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, consists of the application's a part, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is a kind of preferred structural drawing according to the tracking means of the solar tracking device of the utility model embodiment;
Fig. 2 is the another kind of preferred structural drawing according to the tracking means of the solar tracking device of the utility model embodiment;
Fig. 3 is another the preferred structural drawing according to the tracking means of the solar tracking device of the utility model embodiment;
Fig. 4 is another the preferred structural drawing according to the tracking means of the solar tracking device of the utility model embodiment; And
Fig. 5 is a kind of preferred process flow diagram according to the tracking of the solar tracking device of the utility model embodiment.
Embodiment
Hereinafter also describe in conjunction with the embodiments the utility model in detail with reference to accompanying drawing.Need to prove, in the situation that do not conflict, embodiment and the feature in embodiment in the application can make up mutually.
Embodiment 1
The present embodiment provides a kind of tracking means of solar tracking device, and particularly, Fig. 1 illustrates a kind of preferred structural drawing of this device, and this device comprises:
Controller 104 is connected with motor 102, is used for according to current time parameter and the residing region position control motor of solar tracking device, the solar panels of solar tracking device being moved to primary importance; Preferably, according to on-site longitude and latitude and current date, the position that the time is determined the sun, after determining position of sun, solar panels are moved to the plane vertical with solar incident ray, or be called primary importance.Preferably, can adopt the position that calculates the sun according to solar tracking device controller plug-in, also can set up in advance the corresponding data table of position of sun and region and time parameter relation, determine the position of the sun according to look-up table.
Sun angle sensor circuit 106 is connected with controller 104, is used for obtaining the sun angle parameter to determine the second place of solar panels; Wherein, sun angle sensor circuit 106 detects solar tracking device when the attitude of fore-stock and the deviation of solar light irradiation angle, and then the position of definite sun, the then second place vertical with solar incident ray according to the location positioning of the sun.
Driver 110, be connected with controller 104, comparator circuit 108 and motor 102, be used for judging the second place differential seat angle corresponding with primary importance in predetermined angular range the time, drive motor is as the criterion with angle corresponding to the second place angle corresponding to primary importance is proofreaied and correct.
above-mentioned preferred embodiment in, at first residing according to solar tracking device regional location and current time calculate the position of following the tracks of for the first time of solar tracking device, and move so far, and then again determine the position of tracking according to the sun angle sensor of solar tracking device, because although the method precision that adopts sensor to detect is higher, but less stable, easily be subject to the impact of other external environment, thereby before proofread and correct the position of solar tracking device the position of selecting whether to adopt the sun angle sensor to determine, twice definite tracing positional compared, if in the scope that error allows again, judging position that this measuring process sun angle sensor determines, affected by environmental error less, proofread and correct the position of following the tracks of for the first time the position of determining according to the sun angle sensor.This control mode can effectively solve mixes the solar tracking device of the controlling unsettled problem of system that causes greatly affected by environment in correlation technique, reach the effect of the stability that has improved solar tracking device.
The utility model also provides a kind of solar panels according to current time parameter and the residing region position control solar tracking device of solar tracking device to move to the preferred scheme of primary importance, for achieving the above object, particularly, as shown in Figure 2, controller 104 comprises: clock chip 202 is used for reading the current time parameter; Storer 204 is for the longitude and latitude of the residing regional location of storage solar tracking device; And counting circuit 206, are connected with storer with clock chip 202 and are connected, be used for calculating first party parallactic angle, the first elevation angle and first incident ray of the sun under the longitude and latitude of current time parameter and current location to determine the primary importance of solar panels, wherein, in primary importance, solar panels are vertical with the sun the first incident ray;
Above-mentioned preferred embodiment in, a kind of concrete scheme of definite primary importance is provided, such scheme is determined primary importance based on the method for calculating, and be subjected to the environmental parameter restriction lower, and stability is high.
In addition, the utility model also provides a kind of parameter of obtaining according to the sun angle sensor circuit 106 of solar tracking device to determine the scheme of the second place of solar panels, for achieving the above object, particularly, as shown in Figure 3, sun angle sensor circuit 106 comprises: sun angle sensor 302, for second party parallactic angle and the second elevation angle of obtaining the sun that detects; Computing module 304, be connected with sun angle sensor 302, the second incident ray that is used for determining the sun according to the second party parallactic angle of obtaining and the second elevation angle is to calculate the second place of solar panels, wherein, in the second place, solar panels are vertical with the second incident ray.Above-mentioned preferred embodiment in, a kind of concrete scheme of definite second place is provided, the second place precision that adopts method that sensor detects to determine is higher.
Of the present utility model one preferred embodiment in, also above-mentioned comparator circuit 108 is optimized, specifically, as shown in Figure 4, comparator circuit 108 comprises: the first comparator circuit 402 is used for judging that the second place differential seat angle corresponding with the horizontal direction of primary importance is whether in predetermined angular range; And second comparator circuit 404, be used for judging that the second place differential seat angle corresponding with the vertical direction of primary importance is whether in predetermined angular range.Preferably, as shown in Figure 4, driver 110 comprises: the first drive unit 406, be connected with the first comparator circuit 402, be used for judging the second place differential seat angle corresponding with the horizontal direction of primary importance in predetermined angular range the time, drive motor 102 is as the criterion with angle corresponding to the horizontal direction of the second place angle corresponding to the horizontal direction of primary importance is proofreaied and correct; And second drive unit 408, be connected with the second comparator circuit 404, be used for judging the second place differential seat angle corresponding with the vertical direction of primary importance in predetermined angular range the time, drive motor 102 is as the criterion with angle corresponding to the vertical direction of the second place angle corresponding to the vertical direction of primary importance is proofreaied and correct.Preferably, when comparator circuit 108 is judged the second place differential seat angle corresponding with primary importance not in predetermined angular range, 110 of drivers not drive motor are as the criterion with angle corresponding to the second place angle corresponding to primary importance are proofreaied and correct.Above-mentioned preferred embodiment in, adopt the scheme of Comprehensive Control solar tracking device, twice definite tracing positional compared, if in the scope that error allows again, judging position that this measuring process sun angle sensor determines, affected by environmental error less, proofread and correct the position of following the tracks of for the first time the position of determining according to the sun angle sensor, has improved the stability of solar tracking device.
Embodiment 2
The principle of work of the image processing apparatus that the utility model is provided below in conjunction with the tracking of solar tracking device is introduced:
Fig. 5 illustrates a kind of preferred process flow diagram of the method, and as shown in Figure 5, the method comprises the steps:
S502 moves to primary importance according to the solar panels of current time parameter and the residing region position control solar tracking device of solar tracking device; Preferably, according to on-site longitude and latitude and current date, the position that the time is determined the sun, after determining position of sun, solar panels are moved to the plane vertical with solar incident ray, or be called primary importance.Preferably, can adopt the position that calculates the sun according to solar tracking device controller plug-in, also can set up in advance the corresponding data table of position of sun and region and time parameter relation, determine the position of the sun according to look-up table.
S504, the parameter of obtaining according to the sun angle sensor of solar tracking device is determined the second place of solar panels; Wherein, the sun angle sensor can detect solar tracking device when the attitude of fore-stock and the deviation of solar light irradiation angle, and then the position of definite sun, the then second place vertical with solar incident ray according to the location positioning of the sun.
S506 judges that the second place differential seat angle corresponding with primary importance is whether in predetermined angular range; And
S508 judging the second place differential seat angle corresponding with primary importance in predetermined angular range the time, is as the criterion with angle corresponding to the second place angle corresponding to primary importance is proofreaied and correct.
above-mentioned preferred embodiment in, at first residing according to solar tracking device regional location and current time calculate the position of following the tracks of for the first time of solar tracking device, and move so far, and then again determine the position of tracking according to the sun angle sensor of solar tracking device, because although the method precision that adopts sensor to detect is higher, but less stable, easily be subject to the impact of other external environment, thereby before proofread and correct the position of solar tracking device the position of selecting whether to adopt the sun angle sensor to determine, twice definite tracing positional compared, if in the scope that error allows again, judging position that this measuring process sun angle sensor determines, affected by environmental error less, proofread and correct the position of following the tracks of for the first time the position of determining according to the sun angle sensor.This control mode can effectively solve mixes the solar tracking device of the controlling unsettled problem of system that causes greatly affected by environment in correlation technique, reach the effect of the stability that has improved solar tracking device.
The utility model also provides a kind of solar panels according to current time parameter and the residing region position control solar tracking device of solar tracking device to move to the preferred scheme of primary importance, specifically, this scheme comprises the steps: to obtain the longitude and latitude of current time parameter and the residing regional location of solar tracking device; Calculate first party parallactic angle and first elevation angle of the sun under the longitude and latitude of current time parameter and current location; The first incident ray of determining the sun according to the first party parallactic angle of calculating and the first elevation angle; And the solar panels of controlling solar tracking device move to primary importance, and wherein, in primary importance, solar panels are vertical with the first incident ray.
Above-mentioned preferred embodiment in, a kind of concrete method of definite primary importance is provided, adopt the method for above-mentioned calculating to be subjected to the environmental parameter restriction lower, and stability is high.
In addition, the utility model also provides a kind of parameter of obtaining according to the sun angle sensor of solar tracking device to determine the scheme of the second place of solar panels, particularly, this scheme comprises the steps: to obtain second party parallactic angle and second elevation angle of the sun that the sun angle sensor detects; Determine the second incident ray of the sun according to the second party parallactic angle of obtaining and the second elevation angle; And the second place of definite solar panels, wherein, in the second place, solar panels are vertical with the second incident ray.Above-mentioned preferred embodiment in, a kind of concrete method of definite second place is provided, the precision that adopts the sensor to detect is higher.
Of the present utility model one preferred embodiment in, also said method is optimized, specifically, judge that the second place differential seat angle corresponding with primary importance is whether in the predetermined angular error range, if, be as the criterion angle corresponding to primary importance proofreaied and correct with angle corresponding to the second place and comprise: judge that the second place differential seat angle corresponding with the horizontal direction of primary importance is whether in predetermined angular range, if be as the criterion with angle corresponding to the horizontal direction of the second place angle corresponding to the horizontal direction of primary importance proofreaied and correct; And judge that the second place differential seat angle corresponding with the vertical direction of primary importance is whether in predetermined angular range, if be as the criterion with angle corresponding to the vertical direction of the second place angle corresponding to the vertical direction of primary importance proofreaied and correct.Preferably, if the second place differential seat angle corresponding with primary importance do not proofreaied and correct angle corresponding to primary importance not in predetermined angular range.
Above-mentioned preferred embodiment in, adopt the scheme of Comprehensive Control solar tracking device, twice definite tracing positional compared, if in the scope that error allows again, judging position that this measuring process sun angle sensor determines, affected by environmental error less, proofread and correct the position of following the tracks of for the first time the position of determining according to the sun angle sensor, has improved the stability of solar tracking device.
from above description, can find out, at first residing according to the solar tracking device regional location of the utility model and current time calculate the position of following the tracks of for the first time of solar tracking device, and move so far, and then again determine the position of tracking according to the sun angle sensor of solar tracking device, because although the method precision that adopts sensor to detect is higher, but less stable, easily be subject to the impact of other external environment, thereby before proofread and correct the position of solar tracking device the position of selecting whether to adopt the sun angle sensor to determine, twice definite tracing positional compared, if in the scope that error allows again, judging position that this measuring process sun angle sensor determines, affected by environmental error less, proofread and correct the position of following the tracks of for the first time the position of determining according to the sun angle sensor.This control mode can effectively solve mixes the solar tracking device of the controlling unsettled problem of system that causes greatly affected by environment in correlation technique, reach the effect of the stability that has improved solar tracking device.
The above is only preferred embodiment of the present utility model, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. the tracking means of a solar tracking device, be positioned at described solar tracking device, it is characterized in that, comprising:
Motor;
Controller is connected with described motor, is used for according to current time parameter and the described motor of the residing region position control of solar tracking device, the solar panels of solar tracking device being moved to primary importance;
The sun angle sensor circuit is connected with described controller, is used for obtaining the sun angle parameter to determine the second place of described solar panels;
Comparator circuit, with described controller be connected the sun angle sensor circuit and be connected, be used for judging that the described second place differential seat angle corresponding with described primary importance is whether in predetermined angular range; And
Driver, be connected with described controller, described comparator circuit and described motor, be used for judging the described second place differential seat angle corresponding with described primary importance in predetermined angular range the time, drive described motor and be as the criterion with angle corresponding to the described second place angle corresponding to primary importance proofreaied and correct.
2. device according to claim 1, is characterized in that, described controller comprises:
Clock chip is used for reading the current time parameter;
Storer is for the longitude and latitude of storing the residing regional location of described solar tracking device.
3. device according to claim 1, is characterized in that, described sun angle sensor circuit comprises:
The sun angle sensor is for second party parallactic angle and the second elevation angle of obtaining the sun that detects.
4. device according to claim 1, is characterized in that, described comparator circuit comprises:
The first comparator circuit is used for judging that the described second place differential seat angle corresponding with the horizontal direction of described primary importance is whether in predetermined angular range; And
The second comparator circuit is used for judging that the described second place differential seat angle corresponding with the vertical direction of described primary importance is whether in predetermined angular range.
5. device according to claim 1, is characterized in that, described driver comprises:
The first drive unit, be connected with described the first comparator circuit, be used for judging the described second place differential seat angle corresponding with the horizontal direction of described primary importance in predetermined angular range the time, drive described motor and be as the criterion with angle corresponding to the horizontal direction of the described second place angle corresponding to the horizontal direction of described primary importance proofreaied and correct; And
The second drive unit, be connected with described the second comparator circuit, be used for judging the described second place differential seat angle corresponding with the vertical direction of described primary importance in predetermined angular range the time, drive described motor and be as the criterion with angle corresponding to the vertical direction of the described second place angle corresponding to the vertical direction of described primary importance proofreaied and correct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220320570 CN202948329U (en) | 2012-07-03 | 2012-07-03 | Tracking apparatus of solar tracker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220320570 CN202948329U (en) | 2012-07-03 | 2012-07-03 | Tracking apparatus of solar tracker |
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| Publication Number | Publication Date |
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| CN202948329U true CN202948329U (en) | 2013-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220320570 Expired - Fee Related CN202948329U (en) | 2012-07-03 | 2012-07-03 | Tracking apparatus of solar tracker |
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| CN (1) | CN202948329U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106788214A (en) * | 2016-11-16 | 2017-05-31 | 深圳市金光能太阳能有限公司 | Solar off-grid small system |
| CN113126660A (en) * | 2021-04-20 | 2021-07-16 | 阳光电源股份有限公司 | Photovoltaic module tracking control method and related device |
-
2012
- 2012-07-03 CN CN 201220320570 patent/CN202948329U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106788214A (en) * | 2016-11-16 | 2017-05-31 | 深圳市金光能太阳能有限公司 | Solar off-grid small system |
| CN113126660A (en) * | 2021-04-20 | 2021-07-16 | 阳光电源股份有限公司 | Photovoltaic module tracking control method and related device |
| CN113126660B (en) * | 2021-04-20 | 2023-09-29 | 阳光电源股份有限公司 | Photovoltaic module tracking control method and related device |
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