CN205229833U - Solar energy auto -tracing device - Google Patents

Solar energy auto -tracing device Download PDF

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Publication number
CN205229833U
CN205229833U CN201521037938.7U CN201521037938U CN205229833U CN 205229833 U CN205229833 U CN 205229833U CN 201521037938 U CN201521037938 U CN 201521037938U CN 205229833 U CN205229833 U CN 205229833U
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CN
China
Prior art keywords
circuit
analog
signal
photoresistance
drive circuit
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Expired - Fee Related
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CN201521037938.7U
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Chinese (zh)
Inventor
黄学佳
余阿陵
陈凯
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SHANTOU POLYTECHNICAL
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SHANTOU POLYTECHNICAL
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Priority to CN201521037938.7U priority Critical patent/CN205229833U/en
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Publication of CN205229833U publication Critical patent/CN205229833U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a solar energy auto -tracing device, this kind of device is including power, solar panel, luminous intensity comparison circuit, array drive circuit and actuating mechanism, install photoelectric detection circuit on solar panel and change the the Sun's rays intensity change that detects into the signal of telecommunication and erupt simultaneously and give luminous intensity comparison circuit, luminous intensity comparison circuit around to two light intensity signal carry out the comparison, judge whether solar real -time direction changes to to export control signal according to the judged result and give array drive circuit, array drive circuit receives control signal and actuating mechanism's the adjusting parameter of being decomposed into and operateing through output end control actuating mechanism, adjusts the solar panel orientation in real time, makes solar panel perpendicular to the Sun's rays direction to increase substantially solar panel's generated energy. Circuit structure, mechanical structure are simple, with low costs for this kind of device, easily realize stability and reliability that moreover can holding device system operation in the environmental change of complicacy.

Description

A kind of solar automatic tracking device
Technical field
The utility model relates to field of energy utilization, particularly relates to a kind of solar automatic tracking device.
Background technology
The sun is not releasing energy to universe all the time, although wherein only have atomic little part to arrive the earth, nonetheless, the solar radiation energy that earth surface per minute receives is still up to 80 × 10 12kilowatt, be equivalent to 6,000,000,000 tons of standard coal equivalents.Because the supply of solar radiation can be described as endlessly, so sun power can be described as inexhaustible comparatively speaking.Utilize solar electrical energy generation, can not cause environmental pollution, utilizing clean energy resource to substitute traditional fossil energy is the optimal selection maintaining sustainable development path.The development and utilization of sun power is subject to the attention of more and more national, and the photovoltaic apparatus manufacture of China formed scale already gradually, and the development for photovoltaic industry provides powerful support.
But, sun power also also exists as low in energy density, not easily collecting, instability, the shortcomings such as change with seasonal climate and weather day-night change, make the utilization of sun power have the problems such as intermittence, direction of illumination and intensity time constantly change, thus the absorption of sun power and utilization are had higher requirement.A lot of solar panel array is all fixed placement substantially at present, cannot ensure the vertical irradiation of sunshine, can not make full use of solar energy resources, make its generating efficiency low.Test factually and learn, in solar electrical energy generation, under the same terms, adopt automatic tracing generating set to improve 35% than the generated energy of the generating set of fixed angle, therefore solar tracking is become to the necessity in Solar use.
Summary of the invention
Problem to be solved in the utility model is to provide a kind of solar automatic tracking device, this solar automatic tracking device can by detecting the elevation angle of the sun and azimuthal change in real time, adjustment solar panels towards, make solar panels perpendicular to the direction of sunray, increase substantially the generated energy of solar panels, and circuit structure, physical construction are simple, cost is low, be easy to realize, and can in complex environment change the stability of holding device system cloud gray model and reliability.The technical scheme adopted is as follows:
A kind of solar automatic tracking device, comprise solar panels, it is characterized in that: also comprise power supply, photoelectric detective circuit, light intensity comparator circuit, array drive circuit and driving mechanism, photoelectric detective circuit, light intensity comparator circuit, array drive circuit are all connected with power electric with driving mechanism; Described solar panels are arranged on the clutch end of driving mechanism, and photoelectric detective circuit is arranged on described solar panels; The signal output part of photoelectric detective circuit is connected with the signal input part of light intensity comparator circuit; The signal output part of light intensity comparator circuit is connected with the signal input part of array drive circuit; The signal output part of array drive circuit is connected with driving mechanism.
Principle of work: this solar automatic tracking device comprises power supply, solar panels, light intensity comparator circuit, array drive circuit and driving mechanism, photoelectric detective circuit, light intensity comparator circuit, array drive circuit are all connected with power electric with driving mechanism; Photoelectric detective circuit is arranged on described solar panels, for detecting elevation angle and the azimuthal variation of the sun; The sunray Strength Changes detected is changed into electric signal and sends to light strength ratio comparatively circuit by photoelectric detective circuit; Light intensity comparator circuit is compared by former and later two light intensity signals (being namely current light intensity signal and a upper light intensity signal) exported by photoelectric detective circuit, if current light intensity signal intensity is less than the intensity of a light intensity signal, then judge current sunray weakened, thus judge that the real-time direction of the sun changes, namely be that elevation angle and the position angle of the sun changes, and control signal will be exported to array drive circuit according to judged result; Array drive circuit reception control signal, and control signal is decomposed into the regulating parameter of driving mechanism, regulating parameter controls driving mechanism by the output terminal of array drive circuit and operates, real-time adjustment solar panels towards, make solar panels perpendicular to sunray direction, thus increase substantially the generated energy of solar panels.As can be seen from the above, the circuit structure of this solar automatic tracking device, physical construction are simple, and cost is low, are easy to realize, and can in complex environment change the stability of holding device system cloud gray model and reliability.
As preferred version of the present utility model, described photoelectric detective circuit comprises the first photoresistance group for monitoring east-west direction light and the second photoresistance group and for the 3rd photoresistance group of monitoring North and South direction light and the 4th photoresistance group; First photoresistance group, the second photoresistance group, the 3rd photoresistance group, the 4th photoresistance group include photodiode and divider resistance; The negative terminal of each photodiode is all connected with described power electric, and the anode of each photodiode is all electrically connected with the corresponding signal input end of described light intensity comparator circuit by divider resistance ground connection.Each photodiode is subject to sunray and irradiates, and produce corresponding electric current respectively, and export to light intensity comparator circuit, photoelectric detective circuit mainly detects the change of sunray intensity, thus judges elevation angle and the azimuthal variation of the sun.Because of photoresistance the continuation exported and stability more superior, and sensitivity is higher, reaction is faster, so have selected photodiode as sensor.
As the preferred version of utility model, described light intensity comparator circuit comprises analog to digital converter, clock circuit and microprocessor; The input end of analog signal of analog to digital converter is connected with the signal output part of photoelectric detective circuit; The signal output part of described clock circuit is connected with the clock pulse input terminal of analog to digital converter; The digital signal output end of analog to digital converter is connected with the signal input part of microprocessor; The signal output part of microprocessor is connected with the signal input part of described array drive circuit.Light intensity comparator circuit comprises analog to digital converter, clock circuit and microprocessor; Analog to digital converter is used for the analog output signal of the photoelectric detective circuit received to be converted to digital signal; Clock circuit is for controlling the temporal frequency of live signal conversion; The digital signal received is carried out Data Comparison by program by microprocessor, judges real-time elevation angle and the position angle of the sun, then result is outputted to array drive circuit.
As the further preferred version of the utility model, described light intensity comparator circuit also comprises latch and trigger; The signal input part of latch is connected with the signal output part of described analog to digital converter, the signal input part of described microprocessor respectively; The signal input part of trigger is connected with the external data memory gating end of one of them signal output part of latch, described microprocessor respectively, with the signal of described analog to digital converter, the signal output part of trigger permits that end is connected.Latch and trigger are set in light intensity comparator circuit, the output signal of current analog to digital converter is latched, when the output signal of next analog to digital converter outputs to microprocessor, trigger triggers and suspends analog to digital converter, the output signal of two groups of analog to digital converters is carried out Data Comparison by microprocessor simultaneously, then result is outputted to array drive circuit; By the buffer memory effect of latch and the time-out effect of trigger, data buffer storage being transferred to latch, carrying out control data handling procedure by arranging trigger simultaneously, reach the work load reducing microprocessor.
As the utility model further preferred version, described analog to digital converter adopts ADC0809 analog to digital converter; Described microprocessor adopts AT89C51 single-chip microcomputer; Described latch adopts 74LS373 latch.
As preferred version of the present utility model, described array drive circuit adopts ULN2803 Darlington transistor driver.
As preferred version of the present utility model, described driving mechanism comprises the first motor, the second motor, main shaft and connecting rod; The control input end of the first motor, the second motor is connected with the signal output part of described array drive circuit respectively; The lower end of main shaft is connected with the output shaft of the first motor, the rotating upper end being arranged on main shaft of solar panels; Second motor is arranged in the middle part of main shaft; One end of connecting rod is connected with the output shaft of the second motor, and the other end of connecting rod contacts with the shady face of solar panels and coordinates.First motor is connected with the main shaft of solar panels, and the first machine operation can drive solar panels to rotate in surface level; The rotation of solar panels in vertical plane is realized by the second motor, second motor is fixedly mounted on the main shaft of support solar plate, connecting rod is connected with the output shaft of the second motor, and connecting rod contacts with solar panels and coordinates, second machine operation drive link swings in vertical plane, namely the contacting points position between adjustable link and solar panels, regulates the angle between solar panels and light by this.
Compared with prior art, tool has the following advantages the utility model:
This device comprises solar panels, light intensity comparator circuit, array drive circuit and driving mechanism; Photoelectric detective circuit is arranged on described solar panels, for detecting elevation angle and the azimuthal variation of the sun; The sunray Strength Changes detected is changed into electric signal and sends to light strength ratio comparatively circuit by photoelectric detective circuit; Light intensity comparator circuit is compared by former and later two light intensity signals (being namely current light intensity signal and a upper light intensity signal) exported by photoelectric detective circuit, if current light intensity signal intensity is less than the intensity of a light intensity signal, then judge current sunray weakened, thus judge that the real-time direction of the sun changes, namely be that elevation angle and the position angle of the sun changes, and control signal will be exported to array drive circuit according to judged result; Array drive circuit reception control signal, and control signal is decomposed into the regulating parameter of driving mechanism, regulating parameter controls driving mechanism by the output terminal of array drive circuit and operates, real-time adjustment solar panels towards, make solar panels perpendicular to sunray direction, thus increase substantially the generated energy of solar panels.As can be seen from the above, the circuit structure of this solar automatic tracking device, physical construction are simple, and cost is low, are easy to realize, and can in complex environment change the stability of holding device system cloud gray model and reliability.
Accompanying drawing explanation
Fig. 1 is the hardware circuit diagram of the utility model solar automatic tracking device;
Fig. 2 is the mechanical transmission structure schematic diagram of the utility model solar automatic tracking device.
Embodiment
Be described further below in conjunction with accompanying drawing and preferred implementation of the present utility model.
As shown in Figure 1 and Figure 2, a kind of solar automatic tracking device, comprises solar panels 1, power supply (not indicating in figure), photoelectric detective circuit 2, light intensity comparator circuit 3, array drive circuit 4 and driving mechanism 5; Photoelectric detective circuit 2, light intensity comparator circuit 3, array drive circuit 4 and driving mechanism 5 are all electrically connected with power supply (not indicating in figure); Solar panels 1 are arranged on the clutch end of driving mechanism 5, and photoelectric detective circuit 2 is arranged on solar panels 1; The signal output part of photoelectric detective circuit 2 is connected with the signal input part of light intensity comparator circuit 3; The signal output part of light intensity comparator circuit 3 is connected with the signal input part of array drive circuit 4; The signal output part of array drive circuit 4 is connected with driving mechanism 5.
As shown in Figure 1, described photoelectric detective circuit 2 comprises the first photoresistance group 201 for monitoring east-west direction light and the second photoresistance group 202 and for the 3rd photoresistance group 203 of monitoring North and South direction light and the 4th photoresistance group 204; First photoresistance group 201, second photoresistance group 202, the 3rd photoresistance group 203, the 4th photoresistance group 204 include photodiode LDR and divider resistance R.
As shown in Figure 1, described light intensity comparator circuit 3 comprises analog to digital converter 301, clock circuit 302, microprocessor 303, latch 304 and trigger 305; Described analog to digital converter 301 adopts ADC0809 analog to digital converter, and described microprocessor 303 adopts AT89C51 single-chip microcomputer, and described latch adopts 74LS373 latch; Described trigger 5 comprises two rejection gates, 3051,3052 and not gate 3053.
As shown in Figure 1, described array drive circuit 4 adopts ULN2803 Darlington transistor driver.
As shown in Figure 1, the negative terminal of each photodiode LDR of the first photoresistance group 201, second photoresistance group 202, the 3rd photoresistance group 203, the 4th photoresistance group 204 is all electrically connected with described power supply (not indicating in figure), and the anode of each photodiode LDR is all by divider resistance R ground connection and the input end of analog signal IN0 ~ IN3 being connected to ADC0809 analog to digital converter 301 corresponding respectively; The output terminal Q of clock circuit 302 is connected with the clock pulse input terminal CLK of ADC0809 analog to digital converter 301; Digital signal output end OUT1 ~ the OUT8 of ADC0809 analog to digital converter 301, AT89C51 microprocessor 303 8 are leaked the levels two-way I/O mouth P0.0 ~ P0.7 that opens a way and are connected with the input end D0 ~ D7 of 74LS373 latch 304 is corresponding between two; Output terminal Q0 ~ the Q2 of 74LS373 latch 304 is connected with address input end ADDA, ADDB, ADDC of ADC0809 analog to digital converter 301 respectively; The output terminal Q3 of 74LS373 latch 304 is connected respectively to one of them input end of rejection gate 3051, rejection gate 3052; The external data memory write gate mouth P3.6/WR of ADC0809 analog to digital converter 301 is connected to the another one input end of rejection gate 3051, and the output terminal of rejection gate 3051 is connected respectively to A/D conversion starting impulse input end START and the address latch permission signal end ALE of ADC0809 analog to digital converter 301; The external data memory read gate mouth P3.7/RD of ADC0809 analog to digital converter 301 is connected to another input end of rejection gate 3052, and the output terminal of rejection gate 3052 is connected to the data output permission signal end OTE of ADC0809 analog to digital converter 301; The input end of not gate 3053 is connected to the A/D EOC signal end EOC of ADC0809 analog to digital converter 301, and the output terminal of not gate 3053 is connected to the external interrupt 0 end P3.2/INT0 of AT89C51 microprocessor 303; 8 two-way I/O mouth P1.0 ~ P1.7 of AT89C51 microprocessor 303 are as the input end 1B ~ 8B corresponding connection of signal output part with ULN2803 array drive circuit 4; Output terminal 1C ~ the 4C of ULN2803 array drive circuit 4 is connected to the control input end of the first motor 501, and the output terminal 5C ~ 8C of ULN2803 array drive circuit 4 is connected to the control input end of the second motor 502.
As shown in Figure 2, described driving mechanism 5 comprises the first motor 501, second motor 502, main shaft 503 and connecting rod 504; The lower end of main shaft 503 is connected with the output shaft of the first motor 501, the rotating upper end being arranged on main shaft 503 of solar panels 1; Second motor 502 is arranged in the middle part of main shaft 503; One end of connecting rod 504 is connected with the output shaft of the second motor 502, and the other end of connecting rod 504 contacts with the shady face of solar panels 1 and coordinates.
The utility model solar automatic tracking device detects the elevation angle of the sun and azimuthal change in real time by photoelectric detective circuit, adjustment solar panels specifically towards, make solar panels perpendicular to shining upon direction, and circuit structure, physical construction are simple, cost is low, be easy to realize, and can in complex environment change the stability of holding device system cloud gray model and reliability.
In addition; it should be noted that, the specific embodiment described in this instructions, its each several part title etc. can be different; all equivalences of doing according to structure, feature and the principle described in the utility model inventional idea or simple change, be included in the protection domain of the utility model patent.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment; only otherwise depart from structure of the present utility model or surmount this scope as defined in the claims, protection domain of the present utility model all should be belonged to.

Claims (7)

1. a solar automatic tracking device, comprise solar panels, it is characterized in that: also comprise power supply, photoelectric detective circuit, light intensity comparator circuit, array drive circuit and driving mechanism, photoelectric detective circuit, light intensity comparator circuit, array drive circuit are all connected with power electric with driving mechanism; Described solar panels are arranged on the clutch end of driving mechanism, and photoelectric detective circuit is arranged on described solar panels; The signal output part of photoelectric detective circuit is connected with the signal input part of light intensity comparator circuit; The signal output part of light intensity comparator circuit is connected with the signal input part of array drive circuit; The signal output part of array drive circuit is connected with driving mechanism.
2. according to solar automatic tracking device according to claim 1, it is characterized in that: described photoelectric detective circuit comprises the first photoresistance group for monitoring east-west direction light and the second photoresistance group and for the 3rd photoresistance group of monitoring North and South direction light and the 4th photoresistance group; First photoresistance group, the second photoresistance group, the 3rd photoresistance group, the 4th photoresistance group include photodiode and divider resistance; The negative terminal of each photodiode is all connected with described power electric, and the anode of each photodiode is all electrically connected with the corresponding signal input end of described light intensity comparator circuit by divider resistance ground connection.
3. according to solar automatic tracking device according to claim 1, it is characterized in that: described light intensity comparator circuit comprises analog to digital converter, clock circuit and microprocessor; The input end of analog signal of analog to digital converter is connected with the signal output part of photoelectric detective circuit; The signal output part of described clock circuit is connected with the clock pulse input terminal of analog to digital converter; The digital signal output end of analog to digital converter is connected with the signal input part of microprocessor; The signal output part of microprocessor is connected with the signal input part of described array drive circuit.
4. according to solar automatic tracking device according to claim 3, it is characterized in that: described light intensity comparator circuit also comprises latch and trigger; The signal input part of latch is connected with the signal output part of described analog to digital converter, the signal input part of described microprocessor respectively; The signal input part of trigger is connected with the external data memory gating end of one of them signal output part of latch, described microprocessor respectively, with the signal of described analog to digital converter, the signal output part of trigger permits that end is connected.
5. according to solar automatic tracking device according to claim 4, it is characterized in that: described analog to digital converter adopts ADC0809 analog to digital converter; Described microprocessor adopts AT89C51 single-chip microcomputer; Described latch adopts 74LS373 latch.
6. according to solar automatic tracking device according to claim 1, it is characterized in that: described array drive circuit adopts ULN2803 Darlington transistor driver.
7. according to solar automatic tracking device according to claim 1, it is characterized in that: described driving mechanism comprises the first motor, the second motor, main shaft and connecting rod; The control input end of the first motor, the second motor is connected with the signal output part of described array drive circuit respectively; The lower end of main shaft is connected with the output shaft of the first motor, the rotating upper end being arranged on main shaft of solar panels; Second motor is arranged in the middle part of main shaft; One end of connecting rod is connected with the output shaft of the second motor, and the other end of connecting rod contacts with the shady face of solar panels and coordinates.
CN201521037938.7U 2015-12-15 2015-12-15 Solar energy auto -tracing device Expired - Fee Related CN205229833U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521037938.7U CN205229833U (en) 2015-12-15 2015-12-15 Solar energy auto -tracing device

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Application Number Priority Date Filing Date Title
CN201521037938.7U CN205229833U (en) 2015-12-15 2015-12-15 Solar energy auto -tracing device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107398914A (en) * 2017-08-11 2017-11-28 汕头市快畅机器人科技有限公司 A kind of automatic light tracking robot and its method of following spot

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107398914A (en) * 2017-08-11 2017-11-28 汕头市快畅机器人科技有限公司 A kind of automatic light tracking robot and its method of following spot

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20160511

Termination date: 20171215