CN103970153A - Solar energy tracking sensor control circuit - Google Patents
Solar energy tracking sensor control circuit Download PDFInfo
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- CN103970153A CN103970153A CN201410204601.4A CN201410204601A CN103970153A CN 103970153 A CN103970153 A CN 103970153A CN 201410204601 A CN201410204601 A CN 201410204601A CN 103970153 A CN103970153 A CN 103970153A
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Abstract
The invention discloses a solar energy tracking sensor control circuit which is used for processing signals transmitted by a photosensitive sensor module. The solar energy tracking sensor control circuit comprises an azimuth angle current signal module, an elevation angle current signal module, a light intensity detecting current signal module and a power supply circuit module, all the current signal modules respectively comprise a measuring circuit, a comparing circuit and a transmitting circuit, all the transmitting circuits are connected to the signal output end of a sensor circuit, the signal output end of the sensor circuit is connected to a data processing system, LM324 is adopted in all the measuring circuits and all the transmitting circuits as processing chips, and LM339 is adopted in all the comparing circuits as processing chips. The solar energy tracking sensor control circuit solves the signal processing problem of a photosensitive sensor and is convenient to install, a whole sensor circuit board can be encapsulated into a box, and the solar energy tracking sensor control circuit can be used by connecting current signals of a photoelectric sensor in the circuit board.
Description
Technical field
The invention belongs to field of solar energy utilization, relate in particular to a kind of solar energy tracking sensor control circuit.
Background technology
In sun power utilizes, wish holding device towards direct sunlight direction to guarantee the most effectively utilizing sunlight.The scheme adopting is to utilize tracking transducer to generate signal, drive unit according to signal to solar energy equipment towards adjusting.Whole tracking transducer comprises light sensor and circuit, light sensor outputs to circuit by detection signal, circuit produces position angle and elevation angle signal through processing, after processing, data handling system exports to drive system, drive system is adjusted position angle and elevation angle according to corresponding signal, to keep the tracking to the sun.
Summary of the invention
The invention provides a kind of solar energy tracking sensor control circuit, to solve the processing problem of light sensor signal.Specifically, the technical solution used in the present invention is as follows:
A kind of solar energy tracking sensor control circuit, the signal transmitting for the treatment of photosensitive sensor module, described solar energy tracking sensor control circuit comprises position angle current signal module, elevation angle current signal module, light intensity sensed current signal module and feed circuit module, it is characterized in that, in photosensitive sensor module, there are a plurality of sensor CN1 to CN5, wherein two sensor CN1 and CN3 are used for measuring position angle, two sensor CN2 and CN4 are for measuring height angle, a sensor CN5 is used for measuring light intensity, position angle current signal module comprises measurement of azimuth circuit, position angle comparator circuit and position angle transfer circuit, elevation angle current signal module comprises elevation angle metering circuit, elevation angle comparator circuit and elevation angle transfer circuit, light intensity sensed current signal module also has metering circuit, comparator circuit and transfer circuit, transfer circuit is all connected to the signal output part of sensor circuit, signal output part is connected to data handling system, wherein each metering circuit and transfer circuit utilize LM324 as process chip, and each comparator circuit utilizes LM339 as process chip.
Preferably, the LM324(1A of the output terminal of sensor CN1 and CN3 and measurement of azimuth circuit) and LM324(1B) input end 2 and 6 pins are electrically connected to, the LM339(A of output terminal 1 LM324(1A of measurement of azimuth circuit) and LM324(1B) and 7 pins and position angle comparator circuit) input end 4 and 5 pins are electrically connected to, the LM339(A of position angle comparator circuit) output terminal 1 pin and the LM324(2B of position angle transfer circuit) input end 5 pins be electrically connected to, the position angle sensed current signal output terminal that position angle transfer circuit output terminal is sensor circuit.
Preferably, the LM324(1C of the output terminal of sensor CN2 and CN4 and elevation angle metering circuit) and LM324(1D) input end 9 and 13 pins are electrically connected to, the LM339(B of output terminal 8 LM324(1C of elevation angle metering circuit) and LM324(1D) and 14 pins and elevation angle comparator circuit) input end 6 and 7 pins are electrically connected to, the LM339(B of elevation angle comparator circuit) output terminal 2 pins and the LM324(2C of elevation angle transfer circuit) input end 9 and 10 pins be electrically connected to, the output terminal of elevation angle transfer circuit is the elevation angle sensed current signal output terminal of sensor circuit.
Preferably, the output terminal of sensor CN5 and the LM324(2A of metering circuit) input end 2 pins be electrically connected to, the LM324(2A of metering circuit) output terminal 1 pin and the LM339(C of comparator circuit) input end 8 pins be electrically connected to, the LM339(C of comparator circuit) output terminal 14 pins and the LM324(2D of transfer circuit) input end 12 pins be electrically connected to, the light intensity sensed current signal output terminal that the output terminal of transfer circuit is sensor circuit.
More preferably, between the output terminal of each sensor and the input end of each metering circuit, be also serially connected with light emitting diode.
More preferably, between the input end of each metering circuit and output terminal, be provided with the feedback resistance in parallel with each LM324, and each feedback resistance is serially connected with semifixed resistor R11, R12, R13, R14 and R15, for proofreading and correct the process deviation of light sensor.
More preferably, in position angle comparator circuit and elevation angle comparator circuit, the input end of LM339 is connected to bilateral diode, and LM339 also goes here and there respectively and is connected to resistance to form hysteresis comparator simultaneously.
More preferably, the output of the signal of position angle transfer circuit and elevation angle transfer circuit is respectively to adopt 0-20ma current signal transfer.
More preferably, feed circuit are to adopt the bridge circuit consist of D43, D44, D45 and D46 as the incoming end of power supply input.
More preferably, described solar energy tracking sensor control circuit is manufactured on a circuit board by integral type, and described circuit board is encapsulated in a box, and box has the input interface of photosensitive sensor module.
Adopt solar energy tracking sensor control circuit of the present invention, there is following beneficial effect:
1, can auxiliary judgment light sensor working condition at light sensor output terminal serial connection light emitting diode (LED1, LED2, LED3, LED4, LED5);
2, in photosensitive metering circuit feedback resistance, be connected in series respectively semifixed resistor, be used for calibrating photosensitive process deviation;
3, the input of LM339 input end access bilateral diode protection voltage comparator in position angle comparator circuit and elevation angle comparator circuit, adopt hysteresis comparator (being formed by LM339 string connecting resistance) in order to set effective action threshold value, to avoid system to respond simultaneously always;
4, in sensor circuit, position angle transfer circuit and the output of elevation angle transfer circuit signal adopt 0-20ma current signal transfer, can be applicable to remote application, and signal is undistorted, simultaneously cost-saving;
5, power simple and safe, only need to by a twisted-pair feeder, to circuit, provide 24V direct current at a distance in pulpit, receive on the diode D44 and D45 of feed circuit, adopt bridge circuit (D43, D44, D45, D46) also without worrying 24V direct supply reverse polarity connection problem, there is safeguard protection effect;
6, easy for installation, whole sensor circuit board can be encapsulated in a box, only light sensor current signal place in circuit plate can need be used, and also can play the sun-proof effect of waterproof.
Accompanying drawing explanation
Fig. 1 is the modular structure figure of solar tracking system.
Fig. 2 is the circuit diagram of current signal module in position angle in circuit module.
Fig. 3 is the circuit diagram of elevation angle current signal module in circuit module.
Fig. 4 is the circuit diagram of light intensity sensed current signal module in circuit module.
Fig. 5 is the circuit diagram of feed circuit module in circuit module.
Fig. 6 is the structural representation of photosensitive sensor module.
In the drawings: 1 light sensor; 2 circuit; 2-1 measurement of azimuth circuit; 2-2 position angle comparator circuit; 2-3 position angle transfer circuit; 2-4 elevation angle metering circuit; 2-5 elevation angle comparator circuit; 2-6 elevation angle transfer circuit; 2-7 light intensity detection circuit; 2-7-1 luminous intensity measurement circuit; 2-7-2 light intensity comparator circuit; 2-7-3 light intensity transfer circuit; 2-8 feed circuit; 3 data handling systems; 4 driving mechanisms; 4-1-1 position angle stepper motor driving circuit; 4-2-1 elevation angle stepper motor driving circuit; 4-1-2 drives position angle stepper motor; 4-2-2 elevation angle stepper motor.
Embodiment
Below in conjunction with accompanying drawing, further describe the present invention.
Fig. 1 illustrates the integral module structure of solar tracking system.Light sensor 1 is passed to circuit 2 by current signal, circuit 2 is sent to MCU data handling system 3 by the signal of processing, MCU data handling system according to corresponding light intensity, position angle and elevation angle signal to driving mechanism 4 transmitted signals, with the orientation of adjusting solar energy equipment towards.Driving mechanism comprises program tracking section and stepper drive part, and program is followed the tracks of component for calculate position of sun according to program when light intensity is not enough, obtains possible maximum side to light.When light intensity is enough, signal is by position angle stepper motor driving circuit 4-1-1 and elevation angle stepper motor driving circuit 4-2-1 reception & disposal, drive position angle stepper motor 4-1-2 and elevation angle stepper motor 4-2-2 running adjusting gear towards.
Circuit 2 comprises the module that is respectively used to process position angle, elevation angle and light intensity current signal.
Fig. 2 illustrates position angle current signal module.As shown in FIG., current signal module in position angle comprises measurement of azimuth circuit 2-1, position angle comparator circuit 2-2 and position angle transfer circuit 2-3.The LM324(1A of measurement of azimuth circuit 2-1) and LM324(1B) LM339(A of output terminal 1 and 7 pins and position angle comparator circuit 2-2) input end 4 and 5 pins are electrically connected to, position angle comparer LM339(A) output terminal 1 pin and the LM324(2B of position angle transfer circuit 2-3) input end 5 pins are electrically connected to, and position angle transfer circuit 2-3 output terminal is the position angle sensed current signal output terminal of sensor circuit 2.
Fig. 3 illustrates elevation angle current signal module.As shown in FIG., elevation angle current signal module comprises elevation angle metering circuit 2-4, elevation angle comparator circuit 2-5 and elevation angle transfer circuit 2-6.The LM324(1C of elevation angle metering circuit 2-4) and the LM339(B of output terminal LM324(1D) 8 and 14 pins and elevation angle comparator circuit 2-5) input end 6 and 7 pins are electrically connected to, elevation angle comparer (LM339) output terminal 2 pins (B) and the LM324(2C of elevation angle transfer circuit 2-6) input end 9 and 10 pins are electrically connected to, and the output terminal of elevation angle transfer circuit 2-6 is the elevation angle sensed current signal output terminal of sensor circuit 2.
Fig. 4 illustrates light intensity sensed current signal module.Light intensity detection circuit 2-7 comprises metering circuit 2-7-1, comparator circuit 2-7-2, transfer circuit 2-7-3, the LM324(2A of metering circuit) LM339(C of output terminal 1 pin and comparator circuit) input end 8 pins are electrically connected to, LM339 output terminal 14 pins of comparator circuit and the LM324(2D of transfer circuit) input end 12 pins are electrically connected to, and the output terminal of transfer circuit is the light intensity sensed current signal output terminal of sensor circuit 2.
Fig. 5 illustrates feed circuit module 2-8.Feed circuit module 2-8 is used for providing power supply and some safeguard measures to chip LM324 used, LM339.Feed circuit module 2-8 and circuit manufacture one, pick out connection pulpit power supply provide 24V direct current to circuit with twisted-pair feeder.Feed circuit adopt bridge circuit, thereby without worrying 24V electric power polarity reverse problem, have safeguard protection effect.
Fig. 6 illustrates the structure of photosensitive sensor module.In this module, show 5 light sensor CN1-5, wherein CN1, CN3 measure position angle, and are connected to the incoming end of measurement of azimuth circuit.CN2, CN4 measuring height angle, and be connected to the incoming end of elevation angle metering circuit.CN5 measures light intensity, and is connected to the incoming end of luminous intensity measurement circuit.
By reference to the accompanying drawings embodiments of the present invention are described in detail above, but the invention is not restricted to above-mentioned embodiment, in the ken possessing at affiliated technical field those of ordinary skill, can also under the prerequisite that does not depart from aim of the present invention, make a variety of changes.
Claims (10)
1. a solar energy tracking sensor control circuit, the signal transmitting for the treatment of photosensitive sensor module, described solar energy tracking sensor control circuit comprises position angle current signal module, elevation angle current signal module, light intensity sensed current signal module and feed circuit module, it is characterized in that, in photosensitive sensor module, there are a plurality of sensor CN1 to CN5, wherein two sensor CN1 and CN3 are used for measuring position angle, two sensor CN2 and CN4 are for measuring height angle, a sensor CN5 is used for measuring light intensity, position angle current signal module comprises measurement of azimuth circuit, position angle comparator circuit and position angle transfer circuit, elevation angle current signal module comprises elevation angle metering circuit, elevation angle comparator circuit and elevation angle transfer circuit, light intensity sensed current signal module also has metering circuit, comparator circuit and transfer circuit, transfer circuit is all connected to the signal output part of sensor circuit, signal output part is connected to data handling system, wherein each metering circuit and transfer circuit utilize LM324 as process chip, and each comparator circuit utilizes LM339 as process chip.
2. solar energy tracking sensor control circuit as claimed in claim 1, it is characterized in that, the LM324(1A of the output terminal of sensor CN1 and CN3 and measurement of azimuth circuit) and LM324(1B) input end 2 and 6 pins are electrically connected to, the LM339(A of output terminal 1 LM324(1A of measurement of azimuth circuit) and LM324(1B) and 7 pins and position angle comparator circuit) input end 4 and 5 pins are electrically connected to, the LM339(A of position angle comparator circuit) output terminal 1 pin and the LM324(2B of position angle transfer circuit) input end 5 pins be electrically connected to, the position angle sensed current signal output terminal that position angle transfer circuit output terminal is sensor circuit.
3. solar energy tracking sensor control circuit as claimed in claim 1, it is characterized in that, the LM324(1C of the output terminal of sensor CN2 and CN4 and elevation angle metering circuit) and LM324(1D) input end 9 and 13 pins are electrically connected to, the LM339(B of output terminal 8 LM324(1C of elevation angle metering circuit) and LM324(1D) and 14 pins and elevation angle comparator circuit) input end 6 and 7 pins are electrically connected to, the LM339(B of elevation angle comparator circuit) output terminal 2 pins and the LM324(2C of elevation angle transfer circuit) input end 9 and 10 pins be electrically connected to, the output terminal of elevation angle transfer circuit is the elevation angle sensed current signal output terminal of sensor circuit.
4. solar energy tracking sensor control circuit as claimed in claim 1, it is characterized in that, the output terminal of sensor CN5 and the LM324(2A of metering circuit) input end 2 pins be electrically connected to, the LM324(2A of metering circuit) output terminal 1 pin and the LM339(C of comparator circuit) input end 8 pins be electrically connected to, the LM339(C of comparator circuit) output terminal 14 pins and the LM324(2D of transfer circuit) input end 12 pins be electrically connected to, the light intensity sensed current signal output terminal that the output terminal of transfer circuit is sensor circuit.
5. the solar energy tracking sensor control circuit as described in any one in claim 1 to 4, is characterized in that, between the output terminal of each sensor and the input end of each metering circuit, is also serially connected with light emitting diode.
6. the solar energy tracking sensor control circuit as described in any one in claim 1 to 4, it is characterized in that, between the input end of each metering circuit and output terminal, be provided with the feedback resistance in parallel with each LM324, and each feedback resistance is serially connected with semifixed resistor R11, R12, R13, R14 and R15, for proofreading and correct the process deviation of light sensor.
7. the solar energy tracking sensor control circuit as described in any one in claim 1 to 4, it is characterized in that, in position angle comparator circuit and elevation angle comparator circuit, the input end of LM339 is connected to bilateral diode, and LM339 also goes here and there respectively and is connected to resistance to form hysteresis comparator simultaneously.
8. the solar energy tracking sensor control circuit as described in any one in claim 1 to 4, is characterized in that, the signal output of position angle transfer circuit and elevation angle transfer circuit is respectively to adopt 0-20ma current signal transfer.
9. the solar energy tracking sensor control circuit as described in any one in claim 1 to 4, is characterized in that, feed circuit are to adopt the bridge circuit consist of D43, D44, D45 and D46 as the incoming end of power supply input.
10. the solar energy tracking sensor control circuit as described in any one in claim 1 to 4, it is characterized in that, described solar energy tracking sensor control circuit is manufactured on a circuit board by integral type, described circuit board is encapsulated in a box, and box has the input interface of photosensitive sensor module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410204601.4A CN103970153A (en) | 2014-05-15 | 2014-05-15 | Solar energy tracking sensor control circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410204601.4A CN103970153A (en) | 2014-05-15 | 2014-05-15 | Solar energy tracking sensor control circuit |
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| CN103970153A true CN103970153A (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410204601.4A Pending CN103970153A (en) | 2014-05-15 | 2014-05-15 | Solar energy tracking sensor control circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105700568A (en) * | 2016-04-29 | 2016-06-22 | 南京工程学院 | Memory type solar poly disc tracking controller |
| CN111338392A (en) * | 2020-03-27 | 2020-06-26 | 天津光电通信技术有限公司 | Sun tracking method and system |
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| CN2544350Y (en) * | 2002-06-19 | 2003-04-09 | 朱伟浩 | Photoelectric reading machine |
| CN201476782U (en) * | 2009-08-11 | 2010-05-19 | 常州佳讯光电产业发展有限公司 | Solar tracking sensor |
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Patent Citations (4)
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| CN2544350Y (en) * | 2002-06-19 | 2003-04-09 | 朱伟浩 | Photoelectric reading machine |
| CN201476782U (en) * | 2009-08-11 | 2010-05-19 | 常州佳讯光电产业发展有限公司 | Solar tracking sensor |
| CN202886997U (en) * | 2012-08-03 | 2013-04-17 | 常熟理工学院 | Automatically sunlight-tracking robot |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105700568A (en) * | 2016-04-29 | 2016-06-22 | 南京工程学院 | Memory type solar poly disc tracking controller |
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| CN111338392B (en) * | 2020-03-27 | 2023-08-18 | 天津光电通信技术有限公司 | Sun tracking method and system |
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Application publication date: 20140806 |