CN203502832U - Sunlight automatic tracking system of three dimensional photovoltaic energy cell - Google Patents
Sunlight automatic tracking system of three dimensional photovoltaic energy cell Download PDFInfo
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- CN203502832U CN203502832U CN201320572824.7U CN201320572824U CN203502832U CN 203502832 U CN203502832 U CN 203502832U CN 201320572824 U CN201320572824 U CN 201320572824U CN 203502832 U CN203502832 U CN 203502832U
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Abstract
The utility model discloses a sunlight automatic tracking system of a three dimensional photovoltaic energy cell. The sunlight automatic tracking system includes a CPU control circuit, a serve driving circuit, and a light testing system which are electrically connected in sequence, wherein the light testing system is mounted on a solar energy light board, the light testing system outputs an X axis pulse signal, a Y axis pulse signal, a Z axis pulse signal to the CPU control circuit, the CPU control circuit controls the operation of a first motor in the serve driving circuit through a first pulse signal, a first work state control signal, and a first direction control signal; the CPU control circuit controls the operation of a second motor in the serve driving circuit through a second pulse signal, a second work state control signal, and a second direction control signal; the first motor and the second motor drive the solar energy light board to rotate; and the CPU control circuit initiates the first pulse signal, the first direction control signal, the second pulse signal and the second direction control signal through the Z axis pulse signal. The sunlight automatic tracking system reduces usage costs and improves work efficiency.
Description
Technical field
The utility model relates to solar automatic tracking system field, particularly a kind of three-dimensional photovoltaic screen energy battery solar automatic tracking system.
Background technology
Solar tracking system is in photo-thermal and photovoltaic generation process, and optimization sunshine is used, and reaches the machinery and the ECU (Electrical Control Unit) system that improve photoelectric transformation efficiency.
In photovoltaic application aspect: keep solar panel at any time over against the sun, allow the light propulsion system of vertical irradiation solar panel at any time of sunshine, adopt solar tracking system can significantly improve the generating efficiency of solar photovoltaic assembly.
Rotation due to the earth, with respect to the solar photovoltaic generation system of some fixed locations, every light rises sunset, and the lighting angle of the sun is at every moment all changing, effectively guarantee that solar panel can be constantly over against the sun, generating efficiency just can reach optimum condition.At present general solar tracking system all needs according to the not angle at sun place in the same time of laying every day in information calculating such as longitude and latitude a little 1 year in the world, each position of sun constantly in 1 year is stored in PLC, single-chip microcomputer or computer software, all will to realize, follow the tracks of by calculating the position of sun in each moment of this fixed location.
Existing solar tracking system is all to rely on GPS location to realize, and by the GPS location Calculation sun horizontal angle and the elevation angle of every day, obtains longitude and latitude and realizes tracking.But by GPS, locate and need higher cost, and need real-time following the tracks of, wasted resource.
Utility model content
The utility model provides a kind of three-dimensional photovoltaic screen energy battery solar automatic tracking system, and this solar automatic tracking system has reduced use cost, has improved work efficiency, described below:
A kind of three-dimensional photovoltaic screen energy battery solar automatic tracking system, comprise: the cpu control circuit, servo drive circuit and the photometric system that are electrically connected to successively, wherein, described photometric system is arranged on sun power tabula rasa, also comprise power circuit, described power circuit output 5V power supply is given described cpu control circuit and the power supply of described servo drive circuit; Described power circuit output 9V power supply is given described photometric system power supply;
Described photometric system output X-axis pulse signal, Y-axis pulse signal and Z axis pulse signal are to described cpu control circuit, described cpu control circuit is exported the first pulse signal after receiving X-axis pulse signal and Y-axis pulse signal, the first working state control signal, first direction control signal, the second pulse signal, the second working state control signal and second direction control signal, described cpu control circuit is by described the first pulse signal, described the first working state control signal and described first direction control signal are controlled the running of the first motor in described servo drive circuit, described cpu control circuit is controlled the running of the second motor in described servo drive circuit by described the second pulse signal, described the second working state control signal and described second direction control signal, the rotation of sun power tabula rasa described in described the first motor and described the second driven by motor, described cpu control circuit is by the first pulse signal, described first direction control signal, described the second pulse signal and described second direction control signal described in the initialization of described Z axis pulse signal.
Described photometric system comprises: X-axis light measuring circuit, Y-axis light measuring circuit and Z axis light measuring circuit, X-axis and Y-axis light measuring circuit are comprised of voltage generation circuit and voltage frequency conversioning circuit respectively.
Described voltage generation circuit comprises: the 9V stabilivolt of plus earth, and the negative electrode of described 9V stabilivolt connects respectively photosensitive divider resistance, the first divider resistance and 9V power supply, and described photosensitive divider resistance connects photosensitive device; Described the first divider resistance connects the first luminosity regulating resistance, and described the first luminosity regulating resistance connects the second divider resistance, and described the second divider resistance connects the inverting input of the first input pin of the second resistance and operational amplifier simultaneously; Described photosensitive divider resistance connects the first resistance, and described the first resistance is in-phase input end and the 3rd resistance of the first input pin of concatenation operation amplifier respectively, described the 3rd resistance eutral grounding; The in-phase input end of the second input pin of operational amplifier connects the first Voltage Feedback sampling resistor, anti-phase input termination the 4th resistance and the 5th resistance of the second input pin of operational amplifier, the first output pin of operational amplifier connects the second luminosity regulating resistance, described the second luminosity regulating resistance connects described the 4th resistance, described the 5th resistance connects second voltage feedback sample resistance, described second voltage feedback sample resistance eutral grounding; The voltage signal that the second output pin output secondary of operational amplifier amplifies is to described voltage frequency conversioning circuit.
Described voltage frequency conversioning circuit comprises: the 6th resistance, described the 6th resistance connects the voltage signal that described secondary amplifies, described the 6th resistance connects respectively the threshold value pin of the first electric capacity and converter, the electric current output pin of converter connects the first electric capacity, and the output reference electric current pin of converter connects the branch road of the 7th resistance and variable resistor composition; The comparison input pin of converter connects the 7th resistance, and the timing circuit pin of converter connects respectively the 8th resistance and the second electric capacity, the power supply termination 9V power supply of described the 8th resistance and converter; The frequency output pin of converter connects the biasing circuit that the 9th resistance, the tenth resistance and the 11 resistance form, and the 11 resistance connects the base stage of triode, and the collector of triode is exported described X-axis pulse signal.
Described Z axis light measuring circuit comprises: photosensitive device, and described photosensitive device connects 9V power supply, and described photosensitive device is by the 12 resistance eutral grounding, and described photosensitive device is exported described Z axis pulse signal.
Described servo drive circuit comprises: X-axis control circuit and Y-axis control circuit, described X-axis control circuit comprises: the first electric machine controller, the input end of described the first electric machine controller connects respectively described the first pulse signal, described 5V power supply, described the first working state control signal and described first direction control signal, controls the running of described the first motor interior loop.
Described Y-axis control circuit comprises: the second electric machine controller, the input end of described the second electric machine controller connects respectively described the second pulse signal, described 5V power supply, described the second working state control signal and described second direction control signal, controls the running of described the second motor interior loop.
The beneficial effect of the technical scheme that the utility model provides is: this three-dimensional solar lightseeking missile system has realized automatic tracking, avoided the more expensive device of the costs such as GPS, and the design does not need real-time following the tracks of, after the sun sets, can also automatically stop following the tracks of, motor revert to initial position by the solar panels of drive.Adopting batch (-type) to follow the tracks of can not allow drive part work always, can save so the unnecessary electric energy loss much bringing because of driving, and total generated energy that can promote like this photovoltaic energy cell panel according to test reaches 10%.And equipment cost is only 30% of GPS.
Accompanying drawing explanation
Fig. 1 is the structural representation of three-dimensional photovoltaic screen energy battery solar automatic tracking system;
Fig. 2 is the circuit theory diagrams of power circuit;
Fig. 3 is the circuit theory diagrams of voltage generation circuit;
Fig. 4 is the circuit theory diagrams of voltage frequency conversioning circuit;
Fig. 5 is the circuit theory diagrams of Z axis light measuring circuit;
Fig. 6 is the circuit theory diagrams of cpu control circuit;
Fig. 7 a is the circuit theory diagrams of the servo drive circuit that pulse signal CP is corresponding;
Fig. 7 b is the circuit theory diagrams of the servo drive circuit that pulse signal CP1 is corresponding;
In accompanying drawing, the label of each parts is as follows:
1:CPU control circuit; 2: servo drive circuit;
3: photometric system; 4: power circuit;
CP: the first pulse signal; FREE: the first working state control signal;
DIR: first direction control signal; CP1: the second pulse signal;
FREE1: the second working state control signal; DIR1: second direction control signal;
SUN: photovoltaic battery panel; R32: divider resistance;
C9: the first filter capacitor; Q3, D1:9V stabilivolt;
D3: reverse hold-off diode; BATTERY: accumulator;
Q4:5V stabilivolt; C12: the second filter capacitor;
R1: photosensitive divider resistance; R3: the first divider resistance;
L1, L3: photosensitive device; RW1: the first luminosity regulating resistance;
R4: the second divider resistance; R2: the first resistance;
LM358: operational amplifier; R5: the second resistance;
R7: the 3rd resistance; R10: the first Voltage Feedback sampling resistor;
R8: the 4th resistance; R9: the 5th resistance;
R11: second voltage feedback sample resistance; R12: the 6th resistance;
C1: the first electric capacity; LM331: converter;
THD: threshold value pin; C/OUT: electric current output pin;
R/C: reference current pin; R13: the 7th resistance;
RW3: variable resistor; C/IN: compare input pin;
R-C: timing circuit pin; R14: the 8th resistance;
F/OUT: frequency output pin; R32: the 9th resistance;
R33: the tenth resistance; R34: the 11 resistance;
Q1: triode.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
In order to reduce use cost, increase work efficiency, the utility model embodiment provides a kind of three-dimensional photovoltaic screen energy battery solar automatic tracking system, referring to Fig. 1, described below:
This solar automatic tracking system comprises: the cpu control circuit 1, servo drive circuit 2 and the photometric system 3 that are electrically connected to successively, wherein, photometric system 3 is arranged on sun power tabula rasa, and (sun power tabula rasa is conventionally known to one of skill in the art, not shown, and the mounting means of photometric system 3 is conventionally known to one of skill in the art, the present embodiment does not limit this) upper, also comprise power circuit 4, power circuit 4 output 5V power supplys are to cpu control circuit 1 and servo drive circuit 2 power supplies; Power circuit 4 output 9V power supplys are to photometric system 3 power supplies;
CPU receives after X-axis pulse signal, Y-axis pulse signal according to the preferential principle of the high person of frequency, for example: the frequency data of collection are compared for twice, if the frequency gathering is below higher than the former frequency, at first west (horizontal angle) stepping of X-axis 0.1 degree, in Y-axis, upwards (elevation angle) 0.1 spent; When after the frequency of collection lower than the former frequency, 0.1 degree of stepping eastwards in X-axis, (elevation angle) 0.1 degree upwards in Y-axis is adjusted 30 seconds at every turn, within every 20 minutes, adjusts once, to guarantee that photovoltaic battery panel is substantially vertical with sunray.
Wherein, referring to Fig. 2, power circuit 4 comprises: photovoltaic battery panel SUN, and one end of photovoltaic battery panel SUN connects respectively the positive ends of divider resistance R32 and the first filter capacitor C9, the negative polarity end ground connection GND of the other end of photovoltaic battery panel SUN, the first filter capacitor C9; Divider resistance R32 connects the input end of 9V stabilivolt Q3, the output terminal output 9V power supply VCC of 9V stabilivolt Q3, the earth terminal ground connection GND of 9V stabilivolt Q3; 9V power supply VCC connects the anode of reverse hold-off diode D3, and oppositely the negative electrode of hold-off diode D3 connects respectively the positive pole of accumulator BATTERY and the input end of 5V stabilivolt Q4, the minus earth of accumulator BATTERY; The output terminal output 5V power supply VCC of 5V stabilivolt Q4, the earth terminal ground connection GND of 5V stabilivolt Q4; 5V power supply VCC connects the positive ends of the second filter capacitor C12, the negative polarity end ground connection GND of the second filter capacitor C12.
Wherein, referring to Fig. 3, Fig. 4 and Fig. 5, photometric system 3 comprises: X-axis light measuring circuit, Y-axis light measuring circuit and Z axis light measuring circuit, X-axis and Y-axis light measuring circuit are comprised of voltage generation circuit and voltage frequency conversioning circuit.
Referring to Fig. 3, voltage generation circuit comprises: the 9V stabilivolt D1 of plus earth, and the negative electrode of 9V stabilivolt D1 meets respectively photosensitive divider resistance R1, the first divider resistance R3 and 9V power supply VCC, and photosensitive divider resistance R1 meets photosensitive device L1; The first divider resistance R3 meets the first luminosity regulating resistance RW1, and the first luminosity regulating resistance RW1 connects the second divider resistance R4, and the second divider resistance R4 connects the inverting input of the first input pin of the second resistance R 5 and operational amplifier LM358 simultaneously; Photosensitive divider resistance R1 connects the first resistance R 2, the first resistance R 2 in-phase input end and the 3rd resistance R 7, the three resistance R 7 ground connection of the first input pin of concatenation operation amplifier LM358 respectively; The in-phase input end of the second input pin of operational amplifier LM358 meets the first Voltage Feedback sampling resistor R10, anti-phase input termination the 4th resistance R 8 and the 5th resistance R 9 of the second input pin of operational amplifier LM358, the first output pin of operational amplifier LM358 meets the second luminosity regulating resistance RW2, the second luminosity regulating resistance RW2 connects the 4th resistance R 8, the 5th resistance R 9 connects second voltage feedback sample resistance R 11, second voltage feedback sample resistance R 11 ground connection; The voltage signal that the second output pin output secondary of operational amplifier LM358 amplifies is to voltage frequency conversioning circuit.
During specific implementation, photosensitive device L1 induction sun light intensity, for light intensity is transformed into magnitude of voltage, can be the devices such as phototriode, photodiode or photoresistance, and the present embodiment does not limit this.
Wherein, the voltage signal that LM358 senses light activated element L1 carries out twice amplification, the first resistance R 2 wherein, the 3rd resistance R 7 completes 3 pin of photoelectric signal collection input LM358, 2 pin of LM358 are reference signal input ends, 1 pin is LM358 amplifier output terminal for the first time, through the voltage signal that amplifies for the first time again through the second luminosity regulating resistance RW2, the 4th resistance R 8 is input to LM358 the 6th pin and carries out secondary amplification, 5 pin are that reference voltage is relatively held, by the first Voltage Feedback sampling resistor R10 ground connection, pass through R10, R11 can make the voltage stability of output good, the voltage signal amplifying through secondary outputs to voltage frequency conversioning circuit through 7 pin.
Referring to Fig. 4, voltage frequency conversioning circuit comprises: the 6th resistance R 12, the 6th resistance R 12 connects the voltage signal that secondary amplifies, the 6th resistance R 12 meets respectively the threshold value pin THD of the first capacitor C 1 and converter LM331, the electric current output pin C/OUT of converter LM331 connects the first capacitor C 1, and the output reference electric current pin R/C of converter LM331 connects the branch road of the 7th resistance R 13 and variable resistor RW3 composition; The comparison input pin C/IN of converter LM331 connects the 7th resistance R 13, and the timing circuit pin R-C of converter LM331 meets respectively the power supply termination 9C power supply VCC of the 8th resistance R 14 and the second capacitor C 2, the eight resistance R 14 and converter LM331; The frequency output pin F/OUT of converter LM331 connects the biasing circuit that the 9th resistance R 32, the tenth resistance R 33 and the 11 resistance R 34 form, and the 11 resistance R 34 connects the base stage of triode Q1, the collector output X-axis pulse signal of triode Q1.
Wherein, the whole circuit of Y-axis light measuring circuit and the circuit of X-axis are consistent, the collector output Y-axis pulse signal of final triode Q1 from voltage frequency conversioning circuit.
Referring to Fig. 5, Z axis light measuring circuit comprises: photosensitive device L3, and photosensitive device L3 connects 9V power supply, and photosensitive device L3 is by the 12 resistance R 30 ground connection, and photosensitive device L3 exports Z axis pulse signal.
Referring to Fig. 6, cpu control circuit 1 comprises: 89C2051 series monolithic U5,5V power supply and the power-supply filter C6 of power supply termination power circuit 4 outputs of single-chip microcomputer U5, the P1.6 pin of single-chip microcomputer U5 connects the X-axis pulse signal of photometric system 3 outputs, P1.5 pin connects Y-axis pulse signal, and P1.4 pin connects Z axis pulse signal; Reset pin RST connects the reset circuit being comprised of the 3rd filter capacitor C5 and resistance R 31, and the first crystal oscillator pin XTAL1 and the second crystal oscillator pin XTAL2 connect the crystal oscillating circuit being comprised of crystal oscillator X1, the first capacitor C 7 and the second capacitor C 8; P3.2 pin is exported the first working state control signal FREE, P3.3 pin output first direction control signal DIR, and P3.4 pin is exported the first pulse signal CP, and those signals export the input signal end of X-axis control circuit to; P1.0 pin is exported the second working state control signal FREE1, P3.7 pin output second direction control signal DIR1, and P3.5 pin is exported the second pulse signal CP1, and those signals export the input signal end of Y-axis control circuit to; Grounding pin GNA ground connection, power pins VCC connects 5V voltage source, and other pins are unsettled.
Referring to Fig. 7 a and Fig. 7 b, servo drive circuit 2 comprises X-axis control circuit and Y-axis control circuit, X-axis control circuit comprises: the first electric machine controller 21, the input end of the first electric machine controller 21 meets respectively the first pulse signal CP, 5V power supply, the first working state control signal FREE and first direction control signal DIR, controls the running of the first motor interior loop.Y-axis control circuit comprises: the second electric machine controller 22, the input end of the second electric machine controller 22 meets respectively the second pulse signal CP1,5V power supply, the second working state control signal FREE1 and second direction control signal DIR1, controls the running of the second motor interior loop.
Devices all in the present embodiment, except specified otherwise, all can adopt the device of other models that function is identical, and during specific implementation, the present embodiment does not limit this.
In sum, by above-mentioned three-dimensional solar lightseeking missile system, realized automatic tracking, avoided the more expensive device of the costs such as GPS, and the design does not need real-time following the tracks of, after the sun sets, can also automatically stop following the tracks of, the solar panels of driven by motor are revert to initial position.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, above-mentioned the utility model embodiment sequence number, just to describing, does not represent the quality of embodiment.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, 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 (6)
1. a three-dimensional photovoltaic screen energy battery solar automatic tracking system, it is characterized in that, comprise: the cpu control circuit, servo drive circuit and the photometric system that are electrically connected to successively, wherein, described photometric system is arranged on sun power tabula rasa, also comprise power circuit, described power circuit output 5V power supply is given described cpu control circuit and the power supply of described servo drive circuit; Described power circuit output 9V power supply is given described photometric system power supply;
Described photometric system output X-axis pulse signal, Y-axis pulse signal and Z axis pulse signal are to described cpu control circuit, described cpu control circuit is exported the first pulse signal after receiving X-axis pulse signal and Y-axis pulse signal, the first working state control signal, first direction control signal, the second pulse signal, the second working state control signal and second direction control signal, described cpu control circuit is by described the first pulse signal, described the first working state control signal and described first direction control signal are controlled the running of the first motor in described servo drive circuit, described cpu control circuit is controlled the running of the second motor in described servo drive circuit by described the second pulse signal, described the second working state control signal and described second direction control signal, the rotation of sun power tabula rasa described in described the first motor and described the second driven by motor, described cpu control circuit is by the first pulse signal, described first direction control signal, described the second pulse signal and described second direction control signal described in the initialization of described Z axis pulse signal.
2. a kind of three-dimensional photovoltaic screen energy battery solar automatic tracking system according to claim 1, it is characterized in that, described photometric system comprises: X-axis light measuring circuit, Y-axis light measuring circuit and Z axis light measuring circuit, X-axis and Y-axis light measuring circuit are comprised of voltage generation circuit and voltage frequency conversioning circuit respectively.
3. a kind of three-dimensional photovoltaic screen energy battery solar automatic tracking system according to claim 2, it is characterized in that, described voltage generation circuit comprises: the 9V stabilivolt of plus earth, the negative electrode of described 9V stabilivolt connects respectively photosensitive divider resistance, the first divider resistance and 9V power supply, and described photosensitive divider resistance connects photosensitive device; Described the first divider resistance connects the first luminosity regulating resistance, and described the first luminosity regulating resistance connects the second divider resistance, and described the second divider resistance connects the inverting input of the first input pin of the second resistance and operational amplifier simultaneously; Described photosensitive divider resistance connects the first resistance, and described the first resistance is in-phase input end and the 3rd resistance of the first input pin of concatenation operation amplifier respectively, described the 3rd resistance eutral grounding; The in-phase input end of the second input pin of operational amplifier connects the first Voltage Feedback sampling resistor, anti-phase input termination the 4th resistance and the 5th resistance of the second input pin of operational amplifier, the first output pin of operational amplifier connects the second luminosity regulating resistance, described the second luminosity regulating resistance connects described the 4th resistance, described the 5th resistance connects second voltage feedback sample resistance, described second voltage feedback sample resistance eutral grounding; The voltage signal that the second output pin output secondary of operational amplifier amplifies is to described voltage frequency conversioning circuit.
4. a kind of three-dimensional photovoltaic screen energy battery solar automatic tracking system according to claim 3, it is characterized in that, described voltage frequency conversioning circuit comprises: the 6th resistance, described the 6th resistance connects the voltage signal that described secondary amplifies, described the 6th resistance connects respectively the threshold value pin of the first electric capacity and converter, the electric current output pin of converter connects the first electric capacity, and the output reference electric current pin of converter connects the branch road of the 7th resistance and variable resistor composition; The comparison input pin of converter connects the 7th resistance, and the timing circuit pin of converter connects respectively the 8th resistance and the second electric capacity, the power supply termination 9V power supply of described the 8th resistance and converter; The frequency output pin of converter connects the biasing circuit that the 9th resistance, the tenth resistance and the 11 resistance form, and the 11 resistance connects the base stage of triode, and the collector of triode is exported described X-axis pulse signal.
5. a kind of three-dimensional photovoltaic screen energy battery solar automatic tracking system according to claim 2, it is characterized in that, described Z axis light measuring circuit comprises: photosensitive device, described photosensitive device connects 9V power supply, described photosensitive device is by the 12 resistance eutral grounding, and described photosensitive device is exported described Z axis pulse signal.
6. a kind of three-dimensional photovoltaic screen energy battery solar automatic tracking system according to claim 1, is characterized in that, described servo drive circuit comprises: X-axis control circuit and Y-axis control circuit,
Described X-axis control circuit comprises: the first electric machine controller, the input end of described the first electric machine controller connects respectively described the first pulse signal, described 5V power supply, described the first working state control signal and described first direction control signal, controls the running of described the first motor interior loop;
Described Y-axis control circuit comprises: the second electric machine controller, the input end of described the second electric machine controller connects respectively described the second pulse signal, described 5V power supply, described the second working state control signal and described second direction control signal, controls the running of described the second motor interior loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320572824.7U CN203502832U (en) | 2013-09-13 | 2013-09-13 | Sunlight automatic tracking system of three dimensional photovoltaic energy cell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320572824.7U CN203502832U (en) | 2013-09-13 | 2013-09-13 | Sunlight automatic tracking system of three dimensional photovoltaic energy cell |
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| CN203502832U true CN203502832U (en) | 2014-03-26 |
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| CN201320572824.7U Withdrawn - After Issue CN203502832U (en) | 2013-09-13 | 2013-09-13 | Sunlight automatic tracking system of three dimensional photovoltaic energy cell |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472856A (en) * | 2013-09-13 | 2013-12-25 | 天津市畅悦电子科技有限公司 | Three-dimensional photovoltaic energy battery sunlight automatic tracking system |
| CN104503477A (en) * | 2014-11-28 | 2015-04-08 | 刘尚爱 | Solar heliostat tracking system |
-
2013
- 2013-09-13 CN CN201320572824.7U patent/CN203502832U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472856A (en) * | 2013-09-13 | 2013-12-25 | 天津市畅悦电子科技有限公司 | Three-dimensional photovoltaic energy battery sunlight automatic tracking system |
| CN103472856B (en) * | 2013-09-13 | 2016-02-24 | 天津市畅悦电子科技有限公司 | A kind of three-dimensional photovoltaic screen energy battery solar automatic tracking system |
| CN104503477A (en) * | 2014-11-28 | 2015-04-08 | 刘尚爱 | Solar heliostat tracking system |
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