CN106054947A - Photovoltaic power generation support system capable of automatic steering according to illumination, and method - Google Patents

Photovoltaic power generation support system capable of automatic steering according to illumination, and method Download PDF

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Publication number
CN106054947A
CN106054947A CN201610665793.8A CN201610665793A CN106054947A CN 106054947 A CN106054947 A CN 106054947A CN 201610665793 A CN201610665793 A CN 201610665793A CN 106054947 A CN106054947 A CN 106054947A
Authority
CN
China
Prior art keywords
light
light sensor
sun
mcu module
steering
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610665793.8A
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Chinese (zh)
Inventor
卢立秋
郭军科
贺欣
于香英
吴明雷
卢修春
于金山
刘鸿芳
路菲
郝春艳
刘盛终
张佳成
姜玲
苏展
赵鹏
杜涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Tianjin Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Tianjin Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Tianjin Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201610665793.8A priority Critical patent/CN106054947A/en
Publication of CN106054947A publication Critical patent/CN106054947A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00Control of position or direction
    • G05D3/12Control of position or direction using feedback
    • G05D3/20Control of position or direction using feedback using a digital comparing device
    • G05D3/203Control of position or direction using feedback using a digital comparing device using fine or coarse devices
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-RED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00Supporting structures for PV modules
    • H02S20/30Supporting structures being movable or adjustable, e.g. for angle adjustment
    • H02S20/32Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Abstract

The invention relates to a photovoltaic power generation support system capable of automatic steering according to illumination, and the system comprises a sunlight intensity collection circuit which consists of a photosensitive sensor array, a signal conditioning circuit, an A/D conversion circuit and an MCU module. The system also comprises a solar cell panel adjusting system which consists of a solar cell panel, a voltage adjusting circuit, an MCU module, an X-axis stepping motor and a Y-axis stepping motor. The system also comprises a peripheral information system which consists of an MCU module, a GPS receiver, a clock module, and a Zigbee wireless communication module. The system employs a control method which combines time control and light control, wherein the time control is taken as the principal thing, and the light control is taken as the auxiliary thing. The method comprises the steps: firstly tracking the sun through time control; secondly carrying out the precise adjustment through employing the light control. The system enables the sunlight to irradiate the solar cell panel vertically at any time, guarantees the adjustment instantaneity of the support under the condition that the number of adjustment times of the support is reduced, and improves the power generation efficiency of a photovoltaic power generation system.

Description

A kind of photovoltaic generation mounting system according to illumination auto-steering and method
Technical field
The invention belongs to control electronics technical field, a kind of photovoltaic generation according to illumination auto-steering props up Frame system and method.
Background technology
Worldwide energy crisis, promotes the fast development of New Energy Industry, and solar energy is various giving birth in the energy Important basic power source, therefore as solar radiant energy is converted into the solar energy generation technology of electric energy, i.e. photovoltaic industry is especially Development is rapidly.In old concept, photovoltaic industry mainly includes that solar components produces chain, the electrical control such as control device and inverter Assembly produces chain, and now, everybody the most increasingly payes attention to the design of photovoltaic bracket.
At present, the design in large-sized photovoltaic power station, the most at home, a lot of solar panel arrays substantially use , there is cosine effects in stationary structure, it is impossible to ensureing sunlight vertical irradiation, photovoltaic cell can not make full use of solar energy Resource, generating efficiency is low, it is impossible to ensure to obtain annual maximum photoelectric transformation efficiency.
Summary of the invention
It is an object of the invention to for the deficiencies in the prior art, and propose a kind of photovoltaic generation according to illumination auto-steering Mounting system and method.
The present invention solves it and technical problem is that and take techniques below scheme to realize:
A kind of photovoltaic generation mounting system according to illumination auto-steering, system includes light sensor arrays, photosensitive biography Sensor array is connected with signal conditioning circuit, and signal conditioning circuit is connected with MCU module by A/D change-over circuit, constitutes the sun Intensity of illumination Acquisition Circuit, this system also includes solar panel, and solar panel is by voltage-regulating circuit and MCU mould Block connects, and MCU module is respectively by X-axis stepper motor driver and y-axis stepper motor driver and X-axis motor and Y-axis Motor connects, and MCU module sends to X-axis motor and y-axis stepper motor respectively and adjusts signal to adjust X-axis stepping electricity Machine and the operating state of y-axis stepper motor, meanwhile, MCU module is wireless with gps receiver, clock module and Zigbee the most respectively Communication module connects.
And, the model that described MCU module specifically uses is STM32.
And, described solar panel is fixedly mounted on battery board bracket, and described light sensor arrays is also installed On battery board bracket, rotate with solar panel.
And, described light sensor arrays, it is included on the sector region at 60 degree of angles, is angularly distributed by light sensor Seven light sensors of device S1 to light sensor S7, at a distance of 10 degree between each light sensor.
A kind of method of the above-mentioned photovoltaic generation mounting system according to illumination auto-steering, the content of the method includes:
The method uses time control, the light-operated control method combined, and time control is main, and light-operated is auxiliary, chases after first with time control Track position of sun, then utilizes and light-operated accurately regulates,
Wherein, described time control was: every 30 minutes, reads GPS information, obtains temporal information, it is judged that be daytime, as Fruit is judged as YES, and is calculated azimuth and the elevation angle of the sun by the positional information obtained respectively, thus drives motor to adjust and prop up Frame angle, starts light-operated simultaneously, if the judgment is No, then drives electric machine support to reset;
Wherein, described light-operated it is: every 1 minute, detect light sensor arrays, use light sensor arrays, With distinguishing according to sky zones of different light intensity, it is judged that position of sun, electric machine rotation support is then driven to be tracked.
And, described sun altitude calculates, and the formula that solar azimuth calculates is:
The computing formula of sun altitude: sinH=sin φ sin δ+cos φ cos δ cost;
The computing formula of solar azimuth: cosA=(sin φ sin δ-sin δ)/cosHcos φ.
Wherein, H is sun altitude, and A is solar azimuth, and φ is the latitude in geographical position residing for system, and δ is that the sun is red Latitude, t is hour angle.
And, described light-operated tracking method particularly includes: first read light sensor arrays information, it is judged that centre position Whether the detected value of light sensor S4 is maximum, and if the judgment is Yes, then time delay re-read light sensor after 1 minute Array information;If the judgment is No, the numerical value sum of the light sensor S1 to S3 on the light sensor S4 left side is calculated the most respectively SLeft, numerical value sum S of the light sensor S5 to S7 on the rightRight, and judge SLeftWhether more than SRight.If the judgment is Yes, then drive Motor adjusts to the right;If the judgment is No, then motor is driven to adjust to the left..
Advantages of the present invention and good effect be:
Present system and method can keep solar panel the most just to the sun, make the light of sunlight hang down at any time Directly irradiate solar panel, meanwhile, in the case of decreasing support adjustment number of times, in turn ensure that support adjusts real-time Property, the generating efficiency of 30%~40% is improve than fixed mode photovoltaic generating system.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of present system;
Fig. 2 is the structural representation of light sensor arrays in present system;
Fig. 3 is the logic step schematic diagram that in the inventive method, time control is followed the tracks of;
Fig. 4 is the logic step schematic diagram of light-operated tracking in the inventive method.
Detailed description of the invention
Below in conjunction with accompanying drawing, the embodiment of the present invention is further described: it is emphasized that enforcement of the present invention Example is illustrative rather than determinate, and therefore the present invention is not limited to the embodiment described in detailed description of the invention, every Other embodiment drawn according to technical scheme by those skilled in the art, also belongs to the model of present invention protection Enclose.
A kind of photovoltaic generation mounting system according to illumination auto-steering, as it is shown in figure 1, this system includes light sensor Array, light sensor arrays is connected with signal conditioning circuit, and signal conditioning circuit is by A/D change-over circuit with MCU module even Connecing, constitute Intensity of the sunlight Acquisition Circuit, this system also includes solar panel, and solar panel passes through Voltage Cortrol Circuit is connected with MCU module, and MCU module is walked with X-axis by X-axis stepper motor driver and y-axis stepper motor driver respectively Entering motor and y-axis stepper motor connects, MCU module sends to X-axis motor and y-axis stepper motor respectively and adjusts signal to adjust Whole X-axis motor and the operating state of y-axis stepper motor, meanwhile, MCU module the most respectively with gps receiver, clock module and Zigbee wireless communication module connects.
In being embodied as of the present invention, the model that described MCU module specifically uses is STM32.
In being embodied as of the present invention, described solar panel is fixedly mounted on battery board bracket, described photosensitive Sensor array is also mounted on battery board bracket, rotates with solar panel.
In being embodied as of the present invention, described light sensor arrays, as in figure 2 it is shown, be included in the sector at 60 degree of angles On region, angularly it is distributed by the seven of S1 to S7 light sensors, at a distance of 10 degree between each sensor.
A kind of method of the photovoltaic generation mounting system according to illumination auto-steering, the content of the method includes:
The present invention uses TL (Time-Luminous) control model, time control, light-operated combines, and time control is main, light-operated is Auxiliary, follow the trail of position of sun first with time control, then utilize light-operated accurately regulation, in the feelings decreasing support adjustment number of times Under condition, in turn ensure that the real-time that support adjusts.
Wherein, the method for described time control is: as it is shown on figure 3, every 30 minutes, read GPS information, obtain temporal information, Judge to be daytime, if the judgment is Yes, calculated azimuth and the elevation angle of the sun respectively by the positional information obtained, from And drive motor adjusting pole angle, start light-operated simultaneously, if the judgment is No, then drive electric machine support to reset,
In being embodied as of the present invention, sun altitude calculates, and the formula that solar azimuth calculates is:
The computing formula of sun altitude: sinH=sin φ sin δ+cos φ cos δ cost;
The computing formula of solar azimuth: cosA=(sin φ sin δ-sin δ)/cosHcos φ.
Wherein, H is sun altitude, and A is solar azimuth, and φ is the latitude in geographical position residing for system, and δ is that the sun is red Latitude, t is hour angle;
Wherein, described light-operated method was: every 1 minute, detected optical sensor, used optical sensor, with according to sky Empty zones of different light intensity difference, it is judged that position of sun, then drives electric machine rotation support to be tracked.
In being embodied as of the present invention, described light-operated tracking method particularly includes: as shown in Figure 4, first read photosensitive The array information of sensor, it is judged that whether the detected value of centre position light sensor S4 is maximum, if the judgment is Yes, then Time delay re-reads light sensor arrays information after 1 minute;If the judgment is No, the light sensor S4 left side is calculated the most respectively Numerical value sum S of light sensor S1 to S3Left, numerical value sum S of the light sensor S5 to S7 on the rightRight, and judge SLeftIt is No more than SRight.If the judgment is Yes, then motor is driven to adjust to the right;If the judgment is No, then motor is driven to adjust to the left.

Claims (7)

1. the photovoltaic generation mounting system according to illumination auto-steering, it is characterised in that: system includes light sensor battle array Row, light sensor arrays is connected with signal conditioning circuit, and signal conditioning circuit is connected with MCU module by A/D change-over circuit, Constituting Intensity of the sunlight Acquisition Circuit, this system also includes solar panel, and solar panel is by Voltage Cortrol electricity Road is connected with MCU module, and MCU module is respectively by X-axis stepper motor driver and y-axis stepper motor driver and X-axis stepping Motor and y-axis stepper motor connect, and MCU module sends to X-axis motor and y-axis stepper motor respectively and adjusts signal to adjust X-axis motor and the operating state of y-axis stepper motor, meanwhile, MCU module the most respectively with gps receiver, clock module and Zigbee wireless communication module connects.
Photovoltaic generation mounting system according to illumination auto-steering the most according to claim 1, it is characterised in that: described The model that MCU module specifically uses is STM32.
Photovoltaic generation mounting system according to illumination auto-steering the most according to claim 1, it is characterised in that: described too Sun can be fixedly mounted on battery board bracket by cell panel, and described light sensor arrays is also mounted on battery board bracket, with too Sun can rotate by cell panel together.
Photovoltaic generation mounting system according to illumination auto-steering the most according to claim 1, it is characterised in that: described light Dependent sensor array, is included on the sector region at 60 degree of angles, is angularly distributed by light sensor S1 to light sensor S7 Seven light sensors, at a distance of 10 degree between each light sensor.
5. the method for an above-mentioned photovoltaic generation mounting system according to illumination auto-steering, it is characterised in that the content of the method Including:
The method uses time control, the light-operated control method combined, and time control is main, and light-operated is auxiliary, follows the trail of too first with time control Sun position, then utilizes and light-operated accurately regulates,
Wherein, described time control was: every 30 minutes, reads GPS information, obtains temporal information, it is judged that be daytime, if sentenced It is yes for breaking, and is calculated azimuth and the elevation angle of the sun by the positional information obtained respectively, thus drives motor adjusting pole angle Degree, starts light-operated simultaneously, if the judgment is No, then drives electric machine support to reset;
Wherein, described light-operated it is: every 1 minute, detect light sensor arrays, use light sensor arrays, with evidence Sky zones of different light intensity is distinguished, it is judged that position of sun, then drives electric machine rotation support to be tracked.
The method of the photovoltaic generation mounting system according to illumination auto-steering the most according to claim 5, it is characterised in that: Described sun altitude calculates, and the formula that solar azimuth calculates is:
The computing formula of sun altitude: sinH=sin φ sin δ+cos φ cos δ cost;
The computing formula of solar azimuth: cosA=(sin φ sin δ-sin δ)/cosHcos φ
Wherein, H is sun altitude, and A is solar azimuth, and φ is the latitude in geographical position residing for system, and δ is solar declination, t For hour angle.
The method of the photovoltaic generation mounting system according to illumination auto-steering the most according to claim 5, it is characterised in that: Described light-operated tracking method particularly includes: first read light sensor arrays information, it is judged that centre position light sensor S4 Detected value whether be maximum, if the judgment is Yes, then time delay re-reads light sensor arrays information after 1 minute;As Fruit is judged as NO, and calculates numerical value sum S of the light sensor S1 to S3 on the light sensor S4 left side the most respectivelyLeft, the light on the right Numerical value sum S of dependent sensor S5 to S7Right, and judge SLeftWhether more than SRight.If the judgment is Yes, then motor is driven to adjust to the right Whole;If the judgment is No, then motor is driven to adjust to the left.
CN201610665793.8A 2016-08-11 2016-08-11 Photovoltaic power generation support system capable of automatic steering according to illumination, and method Pending CN106054947A (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106843288A (en) * 2017-03-01 2017-06-13 江苏国电铁塔有限公司 Photovoltaic tracking support regards daily motion control system and method
CN107104501A (en) * 2017-05-11 2017-08-29 金钱猫科技股份有限公司 A kind of intelligent solar charging method and device
CN107368106A (en) * 2017-08-31 2017-11-21 京东方科技集团股份有限公司 Solar panel is followed spot equipment, TRT and control method
CN107465386A (en) * 2017-09-06 2017-12-12 合肥凌山新能源科技有限公司 A kind of distributed photovoltaic power generation system based on photoconductive effect
CN107861529A (en) * 2017-12-14 2018-03-30 广东电网有限责任公司惠州供电局 A kind of solar azimuth tracking electric supply installation and its control method
CN107966998A (en) * 2018-01-22 2018-04-27 钱稷 A kind of photovoltaic generation tracking system and its control method
CN108008722A (en) * 2017-11-22 2018-05-08 国网湖北省电力有限公司 A kind of photovoltaic robot system and control method
CN109491411A (en) * 2018-12-12 2019-03-19 哈尔滨工业大学 A kind of solar panel automatic seeking light control device
CN109828613A (en) * 2019-03-08 2019-05-31 合肥工业大学 A kind of distribution sensing photovoltaic panel sun tracking system
CN111021924A (en) * 2019-11-25 2020-04-17 湖北工业大学 Independently adjustable building photovoltaic panel shutter type curtain wall
CN111414017A (en) * 2020-04-10 2020-07-14 夏彬彬 Automatic sun-chasing photovoltaic power generation board control system
CN113437933A (en) * 2021-06-11 2021-09-24 重庆大学 Solar intelligent lighting system based on plant growth

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106843288A (en) * 2017-03-01 2017-06-13 江苏国电铁塔有限公司 Photovoltaic tracking support regards daily motion control system and method
CN107104501B (en) * 2017-05-11 2019-06-21 金钱猫科技股份有限公司 A kind of intelligent solar charging method and device
CN107104501A (en) * 2017-05-11 2017-08-29 金钱猫科技股份有限公司 A kind of intelligent solar charging method and device
CN107368106A (en) * 2017-08-31 2017-11-21 京东方科技集团股份有限公司 Solar panel is followed spot equipment, TRT and control method
CN107465386A (en) * 2017-09-06 2017-12-12 合肥凌山新能源科技有限公司 A kind of distributed photovoltaic power generation system based on photoconductive effect
CN108008722A (en) * 2017-11-22 2018-05-08 国网湖北省电力有限公司 A kind of photovoltaic robot system and control method
CN107861529A (en) * 2017-12-14 2018-03-30 广东电网有限责任公司惠州供电局 A kind of solar azimuth tracking electric supply installation and its control method
CN107966998A (en) * 2018-01-22 2018-04-27 钱稷 A kind of photovoltaic generation tracking system and its control method
CN109491411A (en) * 2018-12-12 2019-03-19 哈尔滨工业大学 A kind of solar panel automatic seeking light control device
CN109828613A (en) * 2019-03-08 2019-05-31 合肥工业大学 A kind of distribution sensing photovoltaic panel sun tracking system
CN109828613B (en) * 2019-03-08 2021-10-29 合肥工业大学 Distributed sensing photovoltaic panel sun tracking system
CN111021924A (en) * 2019-11-25 2020-04-17 湖北工业大学 Independently adjustable building photovoltaic panel shutter type curtain wall
CN111414017A (en) * 2020-04-10 2020-07-14 夏彬彬 Automatic sun-chasing photovoltaic power generation board control system
CN113437933A (en) * 2021-06-11 2021-09-24 重庆大学 Solar intelligent lighting system based on plant growth

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Application publication date: 20161026