CN204065839U - A kind of control circuit of sun azimuth tracking system - Google Patents
A kind of control circuit of sun azimuth tracking system Download PDFInfo
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- CN204065839U CN204065839U CN201420416898.6U CN201420416898U CN204065839U CN 204065839 U CN204065839 U CN 204065839U CN 201420416898 U CN201420416898 U CN 201420416898U CN 204065839 U CN204065839 U CN 204065839U
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Abstract
The utility model discloses a kind of control circuit of sun azimuth tracking system, comprise master controller and power module that inside is integrated with A/D converter, and reset circuit and clock circuit, the input end of A/D converter is connected to obliquity sensor, the input end of master controller is connected to key circuit and light intensity detection circuit, and the output terminal of master controller is connected to display module, angle of pitch motor-drive circuit and azimuth motor driving circuit.The utility model is designed with obliquity sensor and light intensity detection circuit simultaneously, can not only be detected by the angle of inclination of obliquity sensor to solar panel, four of solar panel solar irradiations that edge receives can also be detected in real time and be gathered by light intensity detection circuit, circuit structure is simple, reasonable in design, it is convenient to realize, use simple operation, the tracking accuracy of solar panel to solar irradiation can be made higher, and the absorptivity of solar panel to solar irradiation can be made to reach maximum.
Description
Technical field
The utility model belongs to solar energy generation technology field, is specifically related to a kind of control circuit of sun azimuth tracking system.
Background technology
Along with socioeconomic development, the spending rate of the energy and resource is more and more faster.Traditional fuel energy reduces day by day, becomes increasingly conspicuous to the harm that environment causes, and the whole world also has 2,000,000,000 people to can not get normal energy supply simultaneously.Economize energy, protection of the environment has become the necessary condition of human kind sustainable development, and the notice of people is just turning to utilization and the exploitation of regenerative resource.Sun power is as a kind of energy of cleanliness without any pollution, and development prospect is boundless, develops sun light lighting technical meaning great, not only show energy-conservation on, healthy green sunshine also meets the requirement that the mankind pursue quality of life and living environment.Collection due to sunshine is subject to the time, climate effect is large, and light-intensity variation scope is large, and this just has higher requirement to the Collection and use of sun power; Utilize sun power for reasonable colleges and universities, need to realize the sun from motion tracking.Solar panel has ability sunshine being transformed into electric power, solar irradiation is received the most fully in order to make solar panel, should make solar panel all the time perpendicular to on-site solar irradiation direction, therefore accurately control solar panel follows the rotation of solar irradiation direction is current urgent problem.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of control circuit of sun azimuth tracking system is provided, this circuit is designed with obliquity sensor and light intensity detection circuit simultaneously, can not only be detected by the angle of inclination of obliquity sensor to solar panel, four of solar panel solar irradiations that edge receives can also be detected in real time and be gathered by light intensity detection circuit, circuit structure is simple, reasonable in design, it is convenient to realize, use simple operation, the tracking accuracy of solar panel to solar irradiation can be made higher, and the absorptivity of solar panel to solar irradiation can be made to reach maximum, practical, job stability is high, be convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of control circuit of sun azimuth tracking system, it is characterized in that: comprise the master controller that inside is integrated with A/D converter and the power module of powering for each power circuit in control circuit, and the reset circuit to connect with master controller and clock circuit, the input end of described A/D converter is connected to the obliquity sensor for detecting solar panel angle of inclination, the input end of described master controller is connected to key circuit and for detecting Intensity of the sunlight and Intensity of the sunlight signal being converted to the light intensity detection circuit of electric signal, described light intensity detection circuit is by the first light intensity detection circuit being arranged at edge, Solar panel backside four limit middle position respectively, second light intensity detection circuit, 3rd light intensity detection circuit and the 4th light intensity detection circuit composition, the output terminal of described master controller is connected to display module, angle of pitch motor-drive circuit and azimuth motor driving circuit, described angle of pitch motor-drive circuit connects with the angle of pitch motor for driving solar panel north-south to rotate, and described azimuth motor driving circuit connects with the azimuth motor for driving solar panel East and West direction to rotate,
Described obliquity sensor is obliquity sensor SCA60C, the VOUT pin of described obliquity sensor SCA60C connects with the input end of A/D converter, and the CLK pin of described obliquity sensor SCA60C, C1 pin and MODE pin all connect with the PGM pin of described obliquity sensor SCA60C;
Described angle of pitch motor-drive circuit comprises the first phase inverter ULN2003A, the 1B pin of described first phase inverter ULN2003A, 2B pin, 3B pin and 4B pin all connect with the output terminal of described master controller, the described 1C pin of the first phase inverter ULN2003A connects with the A phase of angle of pitch motor, the described 2C pin of the first phase inverter ULN2003A connects with the B phase of angle of pitch motor, the described 3C pin of the first phase inverter ULN2003A connects with the C phase of angle of pitch motor, and the described 4C pin of the first phase inverter ULN2003A connects with the D phase of angle of pitch motor;
Described azimuth motor driving circuit comprises the second phase inverter ULN2003A, the 1B pin of described second phase inverter ULN2003A, 2B pin, 3B pin and 4B pin all connect with the output terminal of described master controller, the described 1C pin of the second phase inverter ULN2003A connects with the A phase of azimuth motor, the described 2C pin of the second phase inverter ULN2003A connects with the B phase of azimuth motor, the described 3C pin of the second phase inverter ULN2003A connects with the C phase of azimuth motor, and the described 4C pin of the second phase inverter ULN2003A connects with the D phase of azimuth motor.
The control circuit of above-mentioned a kind of sun azimuth tracking system, it is characterized in that: described master controller is single-chip microcomputer STC90C58AD, the VOUT pin of described obliquity sensor SCA60C connects with the P1.4 pin of described single-chip microcomputer STC90C58AD, the 1B pin of described first phase inverter ULN2003A connects with the P2.0/A8 pin of described single-chip microcomputer STC90C58AD, the 2B pin of described first phase inverter ULN2003A connects with the P2.1/A9 pin of described single-chip microcomputer STC90C58AD, the 3B pin of described first phase inverter ULN2003A connects with the P2.2/A10 pin of described single-chip microcomputer STC90C58AD, the 4B pin of described first phase inverter ULN2003A connects with the P2.3/A11 pin of described single-chip microcomputer STC90C58AD, the 1B pin of described second phase inverter ULN2003A connects with the P2.4/A12 pin of described single-chip microcomputer STC90C58AD, the 2B pin of described second phase inverter ULN2003A connects with the P2.5/A13 pin of described single-chip microcomputer STC90C58AD, the 3B pin of described second phase inverter ULN2003A connects with the P2.6/A14 pin of described single-chip microcomputer STC90C58AD, the 4B pin of described second phase inverter ULN2003A connect with the P2.7/A15 pin of described single-chip microcomputer STC90C58AD.
The control circuit of above-mentioned a kind of sun azimuth tracking system, is characterized in that: described angle of pitch motor and azimuth motor are stepper motor, and the model of described stepper motor is 28BYJ48.
The control circuit of above-mentioned a kind of sun azimuth tracking system, it is characterized in that: described first light intensity detection circuit comprises the first voltage comparator LM324 and is arranged at the photoresistance RL1 of Solar panel backside upper edge middle position, the 1st pin of described first voltage comparator LM324 and single-chip microcomputer STC90C58AD's
pin connects, and the 2nd pin of described first voltage comparator LM324 divides two-way, and a road connects with the output terminal VCC of power module after photoresistance RL1, and another road is ground connection after resistance R12; 3rd pin of described first voltage comparator LM324 divides two-way, and a road connects with the output terminal VCC of power module after potentiometer R10, and another road is ground connection after resistance R11.
The control circuit of above-mentioned a kind of sun azimuth tracking system, it is characterized in that: described second light intensity detection circuit comprises the second voltage comparator LM324 and is arranged at the photoresistance RL2 of Solar panel backside lower edge middle position, the 1st pin of described second voltage comparator LM324 and single-chip microcomputer STC90C58AD's
pin connects, and the 2nd pin of described second voltage comparator LM324 divides two-way, and a road connects with the output terminal VCC of power module after photoresistance RL2, and another road is ground connection after resistance R24; 3rd pin of described second voltage comparator LM324 divides two-way, and a road connects with the output terminal VCC of power module after potentiometer R22, and another road is ground connection after resistance R23.
The control circuit of above-mentioned a kind of sun azimuth tracking system, it is characterized in that: described 3rd light intensity detection circuit comprises tertiary voltage comparer LM324 and is arranged at the photoresistance RL3 of Solar panel backside left margin middle position, 1st pin of described tertiary voltage comparer LM324 connects with the P3.1/TXD pin of single-chip microcomputer STC90C58AD, 2nd pin of described tertiary voltage comparer LM324 divides two-way, one tunnel connects with the output terminal VCC of power module after photoresistance RL3, and another road is ground connection after resistance R16; 3rd pin of described tertiary voltage comparer LM324 divides two-way, and a road connects with the output terminal VCC of power module after potentiometer R14, and another road is ground connection after resistance R15.
The control circuit of above-mentioned a kind of sun azimuth tracking system, it is characterized in that: described 4th light intensity detection circuit comprises the 4th voltage comparator LM324 and is arranged at the photoresistance RL4 along middle position on the right of Solar panel backside, 1st pin of described 4th voltage comparator LM324 connects with the P3.0/RXD pin of single-chip microcomputer STC90C58AD, 2nd pin of described 4th voltage comparator LM324 divides two-way, one tunnel connects with the output terminal VCC of power module after photoresistance RL4, and another road is ground connection after resistance R20; 3rd pin of described 4th voltage comparator LM324 divides two-way, and a road connects with the output terminal VCC of power module after potentiometer R18, and another road is ground connection after resistance R19.
The control circuit of above-mentioned a kind of sun azimuth tracking system, it is characterized in that: described display module is made up of 1602 liquid crystal display and pull-up exclusion RP1, the RS pin of described 1602 liquid crystal display connects with the P3.5/T1 pin of described single-chip microcomputer STC90C58AD, the RW pin of described 1602 liquid crystal display and described single-chip microcomputer STC90C58AD's
pin connects, the E pin of described 1602 liquid crystal display and described single-chip microcomputer STC90C58AD's
pin connects, the D0 pin of described 1602 liquid crystal display, D1 pin, D2 pin, D3 pin, D4 pin, D5 pin, the P0.0/AD0 pin of D6 pin and D7 pin difference correspondence and described single-chip microcomputer STC90C58AD, P0.1/AD1 pin, P0.2/AD2 pin, P0.3/AD3 pin, P0.4/AD4 pin, P0.5/AD5 pin, P0.6/AD6 pin and P0.7/AD7 pin connect, the D0 pin of described 1602 liquid crystal display, D1 pin, D2 pin, D3 pin, D4 pin, D5 pin, D6 pin and D7 pin also distinguish the 2nd pin that is corresponding and described pull-up exclusion RP1, 3rd pin, 4th pin, 5th pin, 6th pin, 7th pin, 8th pin and the 9th pin connect, 1st pin of described pull-up exclusion RP1 connects with the output terminal VCC of power module.
The utility model compared with prior art has the following advantages:
1, the utility model circuit structure is simple, reasonable in design, and it is convenient to realize, and uses simple operation.
2, the utility model is designed with obliquity sensor and light intensity detection circuit simultaneously, can not only be detected by the angle of inclination of obliquity sensor to solar panel, four of solar panel solar irradiations that edge receives can also be detected in real time and be gathered by light intensity detection circuit, main controller is made to have possessed the hardware circuit basis controlled angle of pitch motor and azimuth motor according to the application process of obliquity sensor in prior art in solar energy tracking control system and light intensity relative method, the closed-loop control of sun azimuth tracking system can be realized, the tracking accuracy of solar panel to solar irradiation can be made higher, and the absorptivity of solar panel to solar irradiation can be made to reach maximum.
3, by angle of pitch motor and azimuth motor, the orientation to solar panel controls the utility model, improves the control accuracy to solar panel.
4, of the present utility model practical, job stability is high, is convenient to promote the use of.
In sum, the utility model circuit structure is simple, reasonable in design, it is convenient to realize, and uses simple operation, the tracking accuracy of solar panel to solar irradiation can be made higher, and the absorptivity of solar panel to solar irradiation can be made to reach maximum, practical, job stability is high, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present utility model.
Fig. 2 is the circuit theory diagrams of the utility model master controller.
Fig. 3 is the circuit theory diagrams of the utility model obliquity sensor.
Fig. 4 is the circuit connecting relation schematic diagram of the utility model angle of pitch motor-drive circuit and angle of pitch motor.
Fig. 5 is the circuit connecting relation schematic diagram of the utility model azimuth motor driving circuit and azimuth motor.
Fig. 6 is the circuit theory diagrams of the utility model first light intensity detection circuit.
Fig. 7 is the circuit theory diagrams of the utility model second light intensity detection circuit.
Fig. 8 is the circuit theory diagrams of the utility model the 3rd light intensity detection circuit.
Fig. 9 is the circuit theory diagrams of the utility model the 4th light intensity detection circuit.
Figure 10 is the circuit theory diagrams of the utility model display module.
Description of reference numerals:
1-master controller; 1-1-A/D converter; 2-light intensity detection circuit;
2-1-the first light intensity detection circuit; 2-2-the second light intensity detection circuit;
2-3-the 3rd light intensity detection circuit; 2-4-the 4th light intensity detection circuit;
3-obliquity sensor; 4-key circuit; 5-display module;
6-angle of pitch motor-drive circuit; 7-angle of pitch motor; 8-azimuth motor driving circuit;
9-azimuth motor; 10-reset circuit; 11-clock circuit;
12-solar panel; 13-power module.
Embodiment
As shown in Figure 1, the utility model comprises the master controller 1 that inside is integrated with A/D converter 1-1 and the power module 13 of powering for each power circuit in control circuit, and the reset circuit 10 to connect with master controller 1 and clock circuit 11, the input end of described A/D converter 1-1 is connected to the obliquity sensor 3 for detecting solar panel 12 angle of inclination, the input end of described master controller 1 is connected to key circuit 4 and for detecting Intensity of the sunlight and Intensity of the sunlight signal being converted to the light intensity detection circuit 2 of electric signal, described light intensity detection circuit 2 is by the first light intensity detection circuit 2-1 being arranged at edge, limit, solar panel 12 back side four middle position respectively, second light intensity detection circuit 2-2, 3rd light intensity detection circuit 2-3 and the 4th light intensity detection circuit 2-4 forms, the output terminal of described master controller 1 is connected to display module 5, angle of pitch motor-drive circuit 6 and azimuth motor driving circuit 8, described angle of pitch motor-drive circuit 6 connects with the angle of pitch motor 7 for driving solar panel 12 north-south to rotate, and described azimuth motor driving circuit 8 connects with the azimuth motor 9 for driving solar panel 12 East and West direction to rotate,
As shown in Figure 3, described obliquity sensor 3 is obliquity sensor SCA60C, the VOUT pin of described obliquity sensor SCA60C connects with the input end of A/D converter 1-1, and the CLK pin of described obliquity sensor SCA60C, C1 pin and MODE pin all connect with the PGM pin of described obliquity sensor SCA60C;
During concrete wiring, the VDD pin of described obliquity sensor SCA60C connects with GND pin after nonpolar electric capacity C4, the VDD pin of described obliquity sensor SCA60C also connects with the output terminal VCC of power module 13, the GND pin ground connection of described obliquity sensor SCA60C.
As shown in Figure 4, in the present embodiment, described angle of pitch motor-drive circuit 6 comprises the first phase inverter ULN2003A, described angle of pitch motor 7 for model be the stepper motor of 28BYJ48, the 1B pin of described first phase inverter ULN2003A, 2B pin, 3B pin and 4B pin all connect with the output terminal of described master controller 1, the described 1C pin of the first phase inverter ULN2003A connects with the A phase of angle of pitch motor 7, the described 2C pin of the first phase inverter ULN2003A connects with the B phase of angle of pitch motor 7, the described 3C pin of the first phase inverter ULN2003A connects with the C phase of angle of pitch motor 7, the described 4C pin of the first phase inverter ULN2003A connects with the D phase of angle of pitch motor 7,
During concrete wiring, the COM pin of described first phase inverter ULN2003A and the power end of described angle of pitch motor 7 all connect with the output terminal VCC of power module 13.
As shown in Figure 5, in the present embodiment, described azimuth motor driving circuit 8 comprises the second phase inverter ULN2003A, described azimuth motor 9 for model be the stepper motor of 28BYJ48, the 1B pin of described second phase inverter ULN2003A, 2B pin, 3B pin and 4B pin all connect with the output terminal of described master controller 1, the described 1C pin of the second phase inverter ULN2003A connects with the A phase of azimuth motor 9, the described 2C pin of the second phase inverter ULN2003A connects with the B phase of azimuth motor 9, the described 3C pin of the second phase inverter ULN2003A connects with the C phase of azimuth motor 9, the described 4C pin of the second phase inverter ULN2003A connects with the D phase of azimuth motor 9.
During concrete wiring, the COM pin of described second phase inverter ULN2003A and the power end of described azimuth motor 9 all connect with the output terminal VCC of power module 13.
Composition graphs 2, in the present embodiment, described master controller 1 is single-chip microcomputer STC90C58AD, the VOUT pin of described obliquity sensor SCA60C connects with the P1.4 pin of described single-chip microcomputer STC90C58AD, the 1B pin of described first phase inverter ULN2003A connects with the P2.0/A8 pin of described single-chip microcomputer STC90C58AD, the 2B pin of described first phase inverter ULN2003A connects with the P2.1/A9 pin of described single-chip microcomputer STC90C58AD, the 3B pin of described first phase inverter ULN2003A connects with the P2.2/A10 pin of described single-chip microcomputer STC90C58AD, the 4B pin of described first phase inverter ULN2003A connects with the P2.3/A11 pin of described single-chip microcomputer STC90C58AD, the 1B pin of described second phase inverter ULN2003A connects with the P2.4/A12 pin of described single-chip microcomputer STC90C58AD, the 2B pin of described second phase inverter ULN2003A connects with the P2.5/A13 pin of described single-chip microcomputer STC90C58AD, the 3B pin of described second phase inverter ULN2003A connects with the P2.6/A14 pin of described single-chip microcomputer STC90C58AD, the 4B pin of described second phase inverter ULN2003A connect with the P2.7/A15 pin of described single-chip microcomputer STC90C58AD.
As shown in Figure 6, in the present embodiment, described first light intensity detection circuit 2-1 comprises the first voltage comparator LM324 and is arranged at the photoresistance RL1 of upper edge, solar panel 12 back side middle position, the 1st pin of described first voltage comparator LM324 and single-chip microcomputer STC90C58AD's
pin connects, and the 2nd pin of described first voltage comparator LM324 divides two-way, and a road connects with the output terminal VCC of power module 13 after photoresistance RL1, and another road is ground connection after resistance R12; 3rd pin of described first voltage comparator LM324 divides two-way, and a road connects with the output terminal VCC of power module 13 after potentiometer R10, and another road is ground connection after resistance R11;
During concrete wiring, the 4th pin of described first voltage comparator LM324 connects with the output terminal VCC of power module 13, the 8th pin ground connection of described first voltage comparator LM324.
As shown in Figure 7, in the present embodiment, described second light intensity detection circuit 2-2 comprises the second voltage comparator LM324 and is arranged at the photoresistance RL2 of lower edge, solar panel 12 back side middle position, the 1st pin of described second voltage comparator LM324 and single-chip microcomputer STC90C58AD's
pin connects, and the 2nd pin of described second voltage comparator LM324 divides two-way, and a road connects with the output terminal VCC of power module 13 after photoresistance RL2, and another road is ground connection after resistance R24; 3rd pin of described second voltage comparator LM324 divides two-way, and a road connects with the output terminal VCC of power module 13 after potentiometer R22, and another road is ground connection after resistance R23;
During concrete wiring, the 4th pin of described second voltage comparator LM324 connects with the output terminal VCC of power module 13, the 8th pin ground connection of described second voltage comparator LM324.
As shown in Figure 8, in the present embodiment, described 3rd light intensity detection circuit 2-3 comprises tertiary voltage comparer LM324 and is arranged at the photoresistance RL3 of solar panel 12 back side left margin middle position, 1st pin of described tertiary voltage comparer LM324 connects with the P3.1/TXD pin of single-chip microcomputer STC90C58AD, 2nd pin of described tertiary voltage comparer LM324 divides two-way, one tunnel connects with the output terminal VCC of power module 13 after photoresistance RL3, and another road is ground connection after resistance R16; 3rd pin of described tertiary voltage comparer LM324 divides two-way, and a road connects with the output terminal VCC of power module 13 after potentiometer R14, and another road is ground connection after resistance R15;
During concrete wiring, the described the 4th of tertiary voltage comparer LM324 connects with the output terminal VCC of power module 13, the 8th pin ground connection of described tertiary voltage comparer LM324.
As shown in Figure 9, in the present embodiment, described 4th light intensity detection circuit 2-4 comprises the 4th voltage comparator LM324 and is arranged at the photoresistance RL4 along middle position on the right of solar panel 12 back side, 1st pin of described 4th voltage comparator LM324 connects with the P3.0/RXD pin of single-chip microcomputer STC90C58AD, 2nd pin of described 4th voltage comparator LM324 divides two-way, one tunnel connects with the output terminal VCC of power module 13 after photoresistance RL4, and another road is ground connection after resistance R20; 3rd pin of described 4th voltage comparator LM324 divides two-way, and a road connects with the output terminal VCC of power module 13 after potentiometer R18, and another road is ground connection after resistance R19;
During concrete wiring, the described the 4th of 4th voltage comparator LM324 connects with the output terminal VCC of power module 13, the 8th pin ground connection of described 4th voltage comparator LM324.
As shown in Figure 10, in the present embodiment, described display module 5 is made up of 1602 liquid crystal display and pull-up exclusion RP1, the RS pin of described 1602 liquid crystal display connects with the P3.5/T1 pin of described single-chip microcomputer STC90C58AD, the RW pin of described 1602 liquid crystal display and described single-chip microcomputer STC90C58AD's
pin connects, the E pin of described 1602 liquid crystal display and described single-chip microcomputer STC90C58AD's
pin connects, the D0 pin of described 1602 liquid crystal display, D1 pin, D2 pin, D3 pin, D4 pin, D5 pin, the P0.0/AD0 pin of D6 pin and D7 pin difference correspondence and described single-chip microcomputer STC90C58AD, P0.1/AD1 pin, P0.2/AD2 pin, P0.3/AD3 pin, P0.4/AD4 pin, P0.5/AD5 pin, P0.6/AD6 pin and P0.7/AD7 pin connect, the D0 pin of described 1602 liquid crystal display, D1 pin, D2 pin, D3 pin, D4 pin, D5 pin, D6 pin and D7 pin also distinguish the 2nd pin that is corresponding and described pull-up exclusion RP1, 3rd pin, 4th pin, 5th pin, 6th pin, 7th pin, 8th pin and the 9th pin connect, 1st pin of described pull-up exclusion RP1 connects with the output terminal VCC of power module 13.
Principle of work of the present utility model and the course of work are: arrange current time by operation push-button circuit 4, clock circuit 11 provides real-time clock signal for master controller 1, position angle and the angle of pitch signal of obliquity sensor 3 pairs of solar panels 12 detect, and send by A/D converting unit 1-1 the signal detected to master controller 1, display module 5 shows position angle and the angle of pitch of current time and solar panel 12, master controller 1 controls angle of pitch motor 7 according to the application process of obliquity sensor in prior art in solar energy tracking control system and azimuth motor 9 is rotated, solar panel 12 is made to turn to state perpendicular to solar irradiation, simultaneously, photoresistance RL1, photoresistance RL2, photoresistance RL3 and photoresistance RL4 detect in real time four of solar panel 12 solar irradiations that edge receives and gather, and by the information feed back that collects to master controller 1, master controller 1 controls angle of pitch motor 7 according to light intensity relative method of the prior art and azimuth motor 9 is rotated, make solar panel 12 all the time perpendicular to solar irradiation, ensure that the maximum absorbance of solar panel 12 pairs of solar irradiations.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solutions of the utility model.
Claims (8)
1. the control circuit of a sun azimuth tracking system, it is characterized in that: comprise the master controller (1) that inside is integrated with A/D converter (1-1) and the power module (13) of powering for each power circuit in control circuit, and the reset circuit (10) to connect with master controller (1) and clock circuit (11), the input end of described A/D converter (1-1) is connected to the obliquity sensor (3) for detecting solar panel (12) angle of inclination, the input end of described master controller (1) is connected to key circuit (4) and for detecting Intensity of the sunlight and Intensity of the sunlight signal being converted to the light intensity detection circuit (2) of electric signal, described light intensity detection circuit (2) is by the first light intensity detection circuit (2-1) being arranged at edge, limit, solar panel (12) back side four middle position respectively, second light intensity detection circuit (2-2), 3rd light intensity detection circuit (2-3) and the 4th light intensity detection circuit (2-4) composition, the output terminal of described master controller (1) is connected to display module (5), angle of pitch motor-drive circuit (6) and azimuth motor driving circuit (8), described angle of pitch motor-drive circuit (6) connects with the angle of pitch motor (7) for driving solar panel (12) north-south to rotate, and described azimuth motor driving circuit (8) connects with the azimuth motor (9) for driving solar panel (12) East and West direction to rotate,
Described obliquity sensor (3) is obliquity sensor SCA60C, the VOUT pin of described obliquity sensor SCA60C connects with the input end of A/D converter (1-1), and the CLK pin of described obliquity sensor SCA60C, C1 pin and MODE pin all connect with the PGM pin of described obliquity sensor SCA60C;
Described angle of pitch motor-drive circuit (6) comprises the first phase inverter ULN2003A, the 1B pin of described first phase inverter ULN2003A, 2B pin, 3B pin and 4B pin all connect with the output terminal of described master controller (1), the 1C pin of described first phase inverter ULN2003A connects with the A phase of angle of pitch motor (7), the 2C pin of described first phase inverter ULN2003A connects with the B phase of angle of pitch motor (7), the 3C pin of described first phase inverter ULN2003A connects with the C phase of angle of pitch motor (7), the 4C pin of described first phase inverter ULN2003A connects with the D phase of angle of pitch motor (7),
Described azimuth motor driving circuit (8) comprises the second phase inverter ULN2003A, the 1B pin of described second phase inverter ULN2003A, 2B pin, 3B pin and 4B pin all connect with the output terminal of described master controller (1), the 1C pin of described second phase inverter ULN2003A connects with the A phase of azimuth motor (9), the 2C pin of described second phase inverter ULN2003A connects with the B phase of azimuth motor (9), the 3C pin of described second phase inverter ULN2003A connects with the C phase of azimuth motor (9), the 4C pin of described second phase inverter ULN2003A connects with the D phase of azimuth motor (9).
2. according to the control circuit of a kind of sun azimuth tracking system according to claim 1, it is characterized in that: described master controller (1) is single-chip microcomputer STC90C58AD, the VOUT pin of described obliquity sensor SCA60C connects with the P1.4 pin of described single-chip microcomputer STC90C58AD, the 1B pin of described first phase inverter ULN2003A connects with the P2.0/A8 pin of described single-chip microcomputer STC90C58AD, the 2B pin of described first phase inverter ULN2003A connects with the P2.1/A9 pin of described single-chip microcomputer STC90C58AD, the 3B pin of described first phase inverter ULN2003A connects with the P2.2/A10 pin of described single-chip microcomputer STC90C58AD, the 4B pin of described first phase inverter ULN2003A connects with the P2.3/A11 pin of described single-chip microcomputer STC90C58AD, the 1B pin of described second phase inverter ULN2003A connects with the P2.4/A12 pin of described single-chip microcomputer STC90C58AD, the 2B pin of described second phase inverter ULN2003A connects with the P2.5/A13 pin of described single-chip microcomputer STC90C58AD, the 3B pin of described second phase inverter ULN2003A connects with the P2.6/A14 pin of described single-chip microcomputer STC90C58AD, the 4B pin of described second phase inverter ULN2003A connect with the P2.7/A15 pin of described single-chip microcomputer STC90C58AD.
3. according to the control circuit of a kind of sun azimuth tracking system described in claim 1 or 2, it is characterized in that: described angle of pitch motor (7) and azimuth motor (9) are stepper motor, the model of described stepper motor is 28BYJ48.
4. according to the control circuit of a kind of sun azimuth tracking system according to claim 2, it is characterized in that: described first light intensity detection circuit (2-1) comprises the first voltage comparator LM324 and is arranged at the photoresistance RL1 of solar panel (12) upper edge, back side middle position, the 1st pin of described first voltage comparator LM324 and single-chip microcomputer STC90C58AD's
pin connects, and the 2nd pin of described first voltage comparator LM324 divides two-way, and a road connects with the output terminal VCC of power module (13) after photoresistance RL1, and another road is ground connection after resistance R12; 3rd pin of described first voltage comparator LM324 divides two-way, and a road connects with the output terminal VCC of power module (13) after potentiometer R10, and another road is ground connection after resistance R11.
5. according to the control circuit of a kind of sun azimuth tracking system according to claim 2, it is characterized in that: described second light intensity detection circuit (2-2) comprises the second voltage comparator LM324 and is arranged at the photoresistance RL2 of solar panel (12) lower edge, back side middle position, the 1st pin of described second voltage comparator LM324 and single-chip microcomputer STC90C58AD's
pin connects, and the 2nd pin of described second voltage comparator LM324 divides two-way, and a road connects with the output terminal VCC of power module (13) after photoresistance RL2, and another road is ground connection after resistance R24; 3rd pin of described second voltage comparator LM324 divides two-way, and a road connects with the output terminal VCC of power module (13) after potentiometer R22, and another road is ground connection after resistance R23.
6. according to the control circuit of a kind of sun azimuth tracking system according to claim 2, it is characterized in that: described 3rd light intensity detection circuit (2-3) comprises tertiary voltage comparer LM324 and is arranged at the photoresistance RL3 of solar panel (12) back side left margin middle position, 1st pin of described tertiary voltage comparer LM324 connects with the P3.1/TXD pin of single-chip microcomputer STC90C58AD, 2nd pin of described tertiary voltage comparer LM324 divides two-way, one tunnel connects with the output terminal VCC of power module (13) after photoresistance RL3, another road is ground connection after resistance R16, 3rd pin of described tertiary voltage comparer LM324 divides two-way, and a road connects with the output terminal VCC of power module (13) after potentiometer R14, and another road is ground connection after resistance R15.
7. according to the control circuit of a kind of sun azimuth tracking system according to claim 2, it is characterized in that: described 4th light intensity detection circuit (2-4) comprises the 4th voltage comparator LM324 and is arranged at the photoresistance RL4 along middle position on the right of solar panel (12) back side, 1st pin of described 4th voltage comparator LM324 connects with the P3.0/RXD pin of single-chip microcomputer STC90C58AD, 2nd pin of described 4th voltage comparator LM324 divides two-way, one tunnel connects with the output terminal VCC of power module (13) after photoresistance RL4, another road is ground connection after resistance R20, 3rd pin of described 4th voltage comparator LM324 divides two-way, and a road connects with the output terminal VCC of power module (13) after potentiometer R18, and another road is ground connection after resistance R19.
8. according to the control circuit of a kind of sun azimuth tracking system according to claim 2, it is characterized in that: described display module (5) is made up of 1602 liquid crystal display and pull-up exclusion RP1, the RS pin of described 1602 liquid crystal display connects with the P3.5/T1 pin of described single-chip microcomputer STC90C58AD, the RW pin of described 1602 liquid crystal display and described single-chip microcomputer STC90C58AD's
pin connects, the E pin of described 1602 liquid crystal display and described single-chip microcomputer STC90C58AD's
pin connects, the D0 pin of described 1602 liquid crystal display, D1 pin, D2 pin, D3 pin, D4 pin, D5 pin, the P0.0/AD0 pin of D6 pin and D7 pin difference correspondence and described single-chip microcomputer STC90C58AD, P0.1/AD1 pin, P0.2/AD2 pin, P0.3/AD3 pin, P0.4/AD4 pin, P0.5/AD5 pin, P0.6/AD6 pin and P0.7/AD7 pin connect, the D0 pin of described 1602 liquid crystal display, D1 pin, D2 pin, D3 pin, D4 pin, D5 pin, D6 pin and D7 pin also distinguish the 2nd pin that is corresponding and described pull-up exclusion RP1, 3rd pin, 4th pin, 5th pin, 6th pin, 7th pin, 8th pin and the 9th pin connect, 1st pin of described pull-up exclusion RP1 connects with the output terminal VCC of power module (13).
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| CN201420416898.6U CN204065839U (en) | 2014-07-28 | 2014-07-28 | A kind of control circuit of sun azimuth tracking system |
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| CN201420416898.6U CN204065839U (en) | 2014-07-28 | 2014-07-28 | A kind of control circuit of sun azimuth tracking system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018103167A1 (en) * | 2016-12-08 | 2018-06-14 | 苏州聚晟太阳能科技股份有限公司 | Sensor and control method thereof |
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2014
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018103167A1 (en) * | 2016-12-08 | 2018-06-14 | 苏州聚晟太阳能科技股份有限公司 | Sensor and control method thereof |
| CN108603786A (en) * | 2016-12-08 | 2018-09-28 | 苏州聚晟太阳能科技股份有限公司 | A kind of sensor and its control method |
| CN108603786B (en) * | 2016-12-08 | 2020-11-03 | 苏州聚晟太阳能科技股份有限公司 | Sensor and control method thereof |
| US11169241B2 (en) | 2016-12-08 | 2021-11-09 | Suzhou Jsolar Incorporated | Sensor and control method thereof |
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