CN108964582A - photovoltaic system - Google Patents

photovoltaic system Download PDF

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Publication number
CN108964582A
CN108964582A CN201810558225.7A CN201810558225A CN108964582A CN 108964582 A CN108964582 A CN 108964582A CN 201810558225 A CN201810558225 A CN 201810558225A CN 108964582 A CN108964582 A CN 108964582A
Authority
CN
China
Prior art keywords
photovoltaic module
sunray
pillar stand
incidence angle
photovoltaic
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
CN201810558225.7A
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Chinese (zh)
Inventor
陈志运
张华�
田小江
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.)
Zhangjiagang Guo Long New Energy Co Ltd
Original Assignee
Zhangjiagang Guo Long New Energy 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 Zhangjiagang Guo Long New Energy Co Ltd filed Critical Zhangjiagang Guo Long New Energy Co Ltd
Priority to CN201810558225.7A priority Critical patent/CN108964582A/en
Publication of CN108964582A publication Critical patent/CN108964582A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED 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
    • H02J3/383
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/40Thermal components
    • H02S40/42Cooling means
    • 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
    • Y02E10/56Power conversion systems, e.g. maximum power point trackers

Landscapes

  • Photovoltaic Devices (AREA)

Abstract

The invention discloses a kind of photovoltaic systems, comprising: photovoltaic module, for absorbing solar energy and converting solar energy into direct current power;Sunray incidence angle measuring device, for measuring the incidence angle for the sunray being irradiated on photovoltaic module;The automatic adjusting support being installed below photovoltaic module changes itself direction and tilt angle for the variation with the incidence angle of sunray;Inverter, it is corresponding to the photovoltaic module to connect, the direct current power is converted into grid-connected output after AC power;Controller is connected with sunray incidence angle measuring device, automatic adjusting support and inverter respectively.The present invention is measured using sunray incidence angle measuring device in the position of that period sun and the incident angle of light, make the adjustable photovoltaic module direction of controller control automatic adjusting support and inclination angle, enable photovoltaic module to receive maximum solar irradiance, and electricity is made to be converted to grid-connected output after AC power by inverter.

Description

Photovoltaic system
Technical field
The present invention relates to new energy field more particularly to a kind of photovoltaic systems.
Background technique
As energy crisis and environmental pollution have become global problem, the utilization of solar energy at this stage is especially sharp It can be carried out photovoltaic power generation with the sun, be increasingly valued by people.In recent years, development activities made solar energy power generating at Originally substantially reduce, from several dollars/(kWh) be reduced to less than 25 cents/(kWh).But small-scale solar energy power generating It is now still more expensive than using conventional electric power.How improving the transfer efficiency of solar battery and reducing cost of electricity-generating becomes photovoltaic too The key of positive energy battery research.The transfer efficiency of crystal silicon cell is every to improve 1%, and the cost of solar battery just declines 6%.
There are many factor for influencing conversion efficiency of solar cell, wherein maximum with the influence of temperature and solar irradiance.Too Influence of the positive irradiation level to solar battery output power is substantially exactly illumination incidence angle to solar battery output power It influences, illumination incidence angle includes azimuth and inclination angle.The azimuth (being limited by roof shape) of solar cell array is square matrix Vertical plane and due south direction angle (being set as negative angle partially eastwards, be westwards set as positive-angle partially).Inclination angle is the sun The angle of battery array plane and level ground, and it is desirable that this angle is optimum tilt when generated energy is maximum in square matrix 1 year Angle.So how to design a can change automatically azimuth, the position according to the sun and light according to the orientation in house Incidence angle it is continuous variation and variable inclinations are very important with the photovoltaic system for reaching optimal solar energy cell output.
Summary of the invention
To overcome disadvantages mentioned above, the purpose of the present invention is to provide the photovoltaics that one kind can change azimuth and inclination angle automatically System.
In order to reach the goals above, the technical solution adopted by the present invention is that: a kind of photovoltaic system, comprising:
Photovoltaic module, for absorbing solar energy and converting solar energy into direct current power;
Sunray incidence angle measuring device, for measuring the incidence angle for the sunray being irradiated on photovoltaic module;
The automatic adjusting support being installed below photovoltaic module, changes for the variation with the incidence angle of sunray The direction and tilt angle of itself;
Inverter, it is corresponding to the photovoltaic module to connect, the direct current power is converted into grid-connected output after AC power;
Controller is connected with sunray incidence angle measuring device, automatic adjusting support and inverter respectively.
Beneficial effects of the present invention: it is measured using sunray incidence angle measuring device in the position of that period sun With the incident angle of light, make the adjustable photovoltaic module direction of controller control automatic adjusting support and inclination angle, so that photovoltaic Component can receive maximum solar irradiance, and electricity is made to be converted to grid-connected output after AC power by inverter.
Preferably, the automatic adjusting support includes column, and the column includes upper pillar stand and lower pillar stand, the lower pillar stand Inside is equipped with the cavity for accommodating servo motor, and the connecting rod of the servo motor is connected with upper pillar stand, the upper pillar stand top It is connected with fixed link, the fixed link and the photovoltaic module are hinged, and crossbeam is additionally provided on the upper pillar stand, is set on the crossbeam It is equipped with cylinder, the telescopic rod of the cylinder is connected with photovoltaic module bottom.Column and the servo electricity merged using lower upright Machine is used cooperatively, so that the photovoltaic module for being connected to upper pillar stand is rotated in the kinetic energy of servo motor, and then changes azimuth; Photovoltaic module one end can be jacked up using cylinder, to change the tilt angle of photovoltaic module, thus with the position of the sun It sets variation and consistently achieves maximum solar irradiance.
Preferably, annular groove is equipped at the top of the lower pillar stand, the upper pillar stand is equipped with multiple support columns, the support column Lower part is equipped with the spherical pieces that can be slided in the annular groove.Using being used cooperatively for multiple support columns and annular groove, make Upper pillar stand is while can rotate and lower pillar stand is there are also multiple contact points so that upper pillar stand is not only only and servo motor One tie point extends the service life of equipment so that upper pillar stand is more reliable when rotating.
Preferably, the sunray incidence angle measuring device uses laser beam analyzer.
Preferably, the photovoltaic module includes the glass cover-plate mutually fastened and U-shaped frame, is set in U-shaped frame Cell piece, positioned at cell piece two sides packaging adhesive film, be separately positioned on cell piece two sides packaging adhesive film on foreboard and backboard, The backboard back side is equipped with radiating piece.Using radiating piece can increase cell piece when carrying out photovoltaic power generation generation it is a large amount of Heat improves the efficiency of battery.
Preferably, the radiating piece cross section is " L " font comprising the cooling base of rectangular plate and along the heat dissipation One side surface of the vertically extending rectangular radiating connection plate in one end of pedestal, the cooling base is equipped with an annular slot, institute It states to fasten in annular slot and is connected with a heat dissipation frame, multiple Window type radiating fins are equipped with around the heat dissipation frame.Using " L " The radiating piece of font can facilitate installation, and position is flexibly adjustable, be capable of increasing radiating piece and air using Window type radiating fin Contact area, accelerate radiating efficiency.
Detailed description of the invention
Fig. 1 is sectional view of the invention;
Fig. 2 is the cross-sectional view of photovoltaic module of the invention;
Fig. 3 is the cross-sectional view of radiating piece of the invention.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Referring to shown in attached drawing 1- Fig. 3, one of the present embodiment photovoltaic system, comprising: photovoltaic module 1, for absorbing too Sun can and convert solar energy into direct current power;
Sunray incidence angle measuring device 2, for measuring the incidence angle for the sunray being irradiated on photovoltaic module;
The automatic adjusting support 3 being installed below photovoltaic module, becomes for the variation with the incidence angle of sunray Change itself direction and tilt angle;
Inverter, it is corresponding to the photovoltaic module to connect, the direct current power is converted into grid-connected output after AC power;
Controller is connected with sunray incidence angle measuring device 2, automatic adjusting support 3 and inverter respectively.
In the present embodiment, the automatic adjusting support 3 includes column 31, and the column 31 includes upper pillar stand 311 under Column 312.Be equipped with cavity for accommodating servo motor 32 inside the lower pillar stand 312, the connecting rod of the servo motor 32 with Upper pillar stand 311 is connected.Servo motor 32 starts, and upper pillar stand 311 is driven to rotate.Annular is preferably provided at the top of the lower pillar stand 312 Sliding slot, the upper pillar stand 311 are equipped with multiple support columns, and the support column lower part is equipped with the ball that can be slided in the annular groove Shape block.Can be more stable when rotation, while the service life of equipment can also be extended.311 top of upper pillar stand is connected with fixed link 33, the fixed link 33 and the photovoltaic module 1 are hinged, are additionally provided with crossbeam 34 on the upper pillar stand 311, on the crossbeam 34 It is provided with cylinder 35 and (preferably passes through the inclined-plane triangle fixed block phase parallel with photovoltaic module 1 between crossbeam 34 and cylinder 35 Even, keep cylinder 35 vertical with photovoltaic module 1, so that the rotates effe of photovoltaic module 1 is good), the telescopic rod and light of the cylinder 35 1 bottom of component is lied prostrate to be connected.Servo motor 32, laser beam analyzer, cylinder 35 are connected with controller.
In the present embodiment, the sunray incidence angle measuring device 2 uses laser beam analyzer.
In the present embodiment, the photovoltaic module 1 includes the glass cover-plate 17 mutually fastened and U-shaped frame 16, is set to U Cell piece 11 in shape frame 16, positioned at 11 two sides of cell piece packaging adhesive film 12, be separately positioned on the envelopes of 11 two sides of cell piece The foreboard 13 and backboard 14 on glue film are filled, 14 back side of backboard is equipped with radiating piece 15.15 advantageous cross sections of radiating piece are " L " font comprising the cooling base 151 of rectangular plate and along one end of the cooling base 151 it is vertically extending it is rectangular dissipate It is thermally connected plate 152, a side surface of the cooling base 151 is equipped with an annular slot 153,153 internal buckle of annular slot Conjunction is connected with a heat dissipation frame 154, is equipped with multiple Window type radiating fins 155 around the heat dissipation frame 154.
The technical concepts and features of embodiment of above only to illustrate the invention, its object is to allow be familiar with technique People understands the contents of the present invention and is implemented, and it is not intended to limit the scope of the present invention, all spiritual according to the present invention The equivalent change or modification that essence is done, should be covered by the scope of protection of the present invention.

Claims (6)

1. a kind of photovoltaic system, comprising:
Photovoltaic module (1), for absorbing solar energy and converting solar energy into direct current power;
Sunray incidence angle measuring device (2), for measuring the incidence angle for the sunray being irradiated on photovoltaic module;
The automatic adjusting support (3) being installed below photovoltaic module, changes for the variation with the incidence angle of sunray The direction and tilt angle of itself;
Inverter, it is corresponding to the photovoltaic module to connect, the direct current power is converted into grid-connected output after AC power;
Controller is connected with sunray incidence angle measuring device (2), automatic adjusting support (3) and inverter respectively.
2. photovoltaic system according to claim 1, it is characterised in that: the automatic adjusting support (3) includes column (31), The column (31) includes upper pillar stand (311) and lower pillar stand (312), is equipped with inside the lower pillar stand (312) for accommodating servo The connecting rod of the cavity of motor (32), the servo motor (32) is connected with upper pillar stand (311), and upper pillar stand (311) top connects Have fixed link (33), the fixed link (33) and the photovoltaic module (1) hingedly, are additionally provided with cross on the upper pillar stand (311) Beam (34) is provided with cylinder (35) on the crossbeam (34), telescopic rod and photovoltaic module (1) bottom phase of the cylinder (35) Even.
3. photovoltaic system according to claim 2, it is characterised in that: annular groove is equipped at the top of the lower pillar stand (312), The upper pillar stand (311) is equipped with multiple support columns, and the support column lower part is equipped with the spherical shape that can be slided in the annular groove Block.
4. photovoltaic system according to claim 1, it is characterised in that: the sunray incidence angle measuring device (2) is adopted Use laser beam analyzer.
5. photovoltaic system according to claim 1, it is characterised in that: the photovoltaic module (1) includes the glass mutually fastened Glass cover board (17) and U-shaped frame (16), are located at cell piece (11) two sides at the cell piece (11) being set in U-shaped frame (16) Packaging adhesive film (12), the foreboard (13) being separately positioned on the packaging adhesive film of cell piece (11) two sides and backboard (14), the back Plate (14) back side is equipped with radiating piece (15).
6. photovoltaic system according to claim 5, it is characterised in that: radiating piece (15) cross section is " L " font, Cooling base (151) including rectangular plate and along the vertically extending rectangular heat dissipation connection in one end of the cooling base (151) One side surface of plate (152), the cooling base (151) is equipped with an annular slot (153), in the annular slot (153) Being fastened and connected has a heat dissipation frame (154), and multiple Window type radiating fins (155) are equipped with around the heat dissipation frame (154).
CN201810558225.7A 2018-06-01 2018-06-01 photovoltaic system Pending CN108964582A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810558225.7A CN108964582A (en) 2018-06-01 2018-06-01 photovoltaic system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810558225.7A CN108964582A (en) 2018-06-01 2018-06-01 photovoltaic system

Publications (1)

Publication Number Publication Date
CN108964582A true CN108964582A (en) 2018-12-07

Family

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Application Number Title Priority Date Filing Date
CN201810558225.7A Pending CN108964582A (en) 2018-06-01 2018-06-01 photovoltaic system

Country Status (1)

Country Link
CN (1) CN108964582A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201594798U (en) * 2009-12-15 2010-09-29 重庆大学 Automatic sunray tracking device
CN103429052A (en) * 2013-07-24 2013-12-04 昆山维金五金制品有限公司 Cooling member
CN105119559A (en) * 2015-08-31 2015-12-02 北京视域四维城市导向系统规划设计有限公司 Automatic sensing adjustment solar power collection device
CN106130459A (en) * 2016-08-29 2016-11-16 北京英斯派克科技有限公司 A kind of photovoltaic bracket realizing automatic tracing sunlight optimized incidence
CN106208946A (en) * 2016-09-07 2016-12-07 成都秉德科技有限公司 Solar photovoltaic generation system
CN206060656U (en) * 2016-08-31 2017-03-29 塔里木大学 The tracking adjusting means of photovoltaic battery panel and photovoltaic generating system
CN208782756U (en) * 2018-06-01 2019-04-23 张家港国龙新能源有限公司 Photovoltaic system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201594798U (en) * 2009-12-15 2010-09-29 重庆大学 Automatic sunray tracking device
CN103429052A (en) * 2013-07-24 2013-12-04 昆山维金五金制品有限公司 Cooling member
CN105119559A (en) * 2015-08-31 2015-12-02 北京视域四维城市导向系统规划设计有限公司 Automatic sensing adjustment solar power collection device
CN106130459A (en) * 2016-08-29 2016-11-16 北京英斯派克科技有限公司 A kind of photovoltaic bracket realizing automatic tracing sunlight optimized incidence
CN206060656U (en) * 2016-08-31 2017-03-29 塔里木大学 The tracking adjusting means of photovoltaic battery panel and photovoltaic generating system
CN106208946A (en) * 2016-09-07 2016-12-07 成都秉德科技有限公司 Solar photovoltaic generation system
CN208782756U (en) * 2018-06-01 2019-04-23 张家港国龙新能源有限公司 Photovoltaic system

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