CN102916620A - Intelligent photovoltaic sunshading power generation system - Google Patents
Intelligent photovoltaic sunshading power generation system Download PDFInfo
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- CN102916620A CN102916620A CN2012104108656A CN201210410865A CN102916620A CN 102916620 A CN102916620 A CN 102916620A CN 2012104108656 A CN2012104108656 A CN 2012104108656A CN 201210410865 A CN201210410865 A CN 201210410865A CN 102916620 A CN102916620 A CN 102916620A
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/50—Energy storage in industry with an added climate change mitigation effect
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Abstract
The invention relates to an intelligent photovoltaic sunshading power generation system and belongs to the application field of photovoltaic buildings. The intelligent photovoltaic sunshading power generation system is a comprehensive system which integrates photovoltaic power generation, sunshading, energy storage, intelligent control and power output functions. The intelligent photovoltaic sunshading power generation system comprises photovoltaic sunshading plates, fixing structures of the photovoltaic sunshading plates, a transmission module, electric equipment, an energy storage module, an environment data acquisition module and an intelligent control module and is characterized in that intelligent sunshading, power generation, energy storage and power output functions are achieved by the combination of the modules. The intelligent photovoltaic sunshading power generation system can be used for intelligently regulating the deflection angles of the photovoltaic sunshading plates and realizing the combination and the coordination of photovoltaic power generation and sunshading functions through monitoring environment factors such as sunshine angles, radiation degrees, indoor temperature and the like in real time.
Description
Technical field
The present invention relates to a kind of Intelligent photovoltaic sunshade electricity generation system, belong to the photovoltaic building application.
Background technology
Under the situation of global warming, the deterioration of the ecological environment, conventional energy resource shortage, the strategy of sustainable development is accepted by countries in the world.Solar energy has the advantages such as spatter property, fail safe, resource abundance, is one of following most important new forms of energy, is subject to attention and the support of national governments.
The extensive use of solar cell on building is conducive to energy-saving and emission-reduction and environmental protection.Fast development along with solar battery technology, the application of solar cell also constantly enlarges thereupon, solar cell is fitted in the building as shading system, and the BIPV technology of formation just progressively becomes the emphasis mode of solar cell application.Solar cell (battery itself or secondary processing product) just progressively substitutes traditional construction material, becomes novel photovoltaic building material.But the main or conventional Moveable sun visor of present solar cell shading system, control the switching angle of sunshading board by the manual operation electric mechanism, use inconvenience, its energy output is also less, the electric energy that sends is mainly used in the running of self, and purposes is relatively limited to.
Summary of the invention
The object of the invention is to provide the generating of a kind of light harvesting volt, sunshade, energy storage, Based Intelligent Control, electric power output function in the Intelligent photovoltaic sunshade electricity generation system of one.
Intelligent photovoltaic sunshade electricity generation system of the present invention comprises photovoltaic sun plate and fixed structure, photovoltaic junction box, electric current wire harness and indoor control cubicle, also comprises transmission module, electric equipment, energy-storage module, environmental data collecting module and intelligent control module; Wherein: described electric equipment, energy-storage module, intelligent control module are installed in the indoor control cubicle, described photovoltaic sun plate and fixed structure thereof are installed in outdoor, photovoltaic sun plate one side is established photovoltaic junction box, by electric current wire harness access energy-storage module, described transmission module, environmental data collecting module are installed on photovoltaic sun plate and the fixed structure thereof.
Described photovoltaic sun plate is polylith, is connected in series by the electric current wire harness.
Described photovoltaic sun plate sequentially is installed on the fixed frame by the polylith solar panel and forms.
Described transmission module comprises cursor, drive motors, transmission shaft lever and the fixed frame of photovoltaic sun plate; One end of transmission shaft lever is connected with the output push rod of drive motors on being installed in fixed frame, transmission shaft lever respectively with each piece photovoltaic sun plate on cursor be flexibly connected; Drive motors drives the transmission shaft lever straight reciprocating motion, and transmission shaft lever drives the synchronous deflection angle of each photovoltaic sun plate.
Described environmental data collecting module comprise irradiance collecting unit, temperature collecting cell, humidity collection unit, wind direction and wind velocity collecting unit and sunshine the angle collecting unit, these unit are known transducer, be installed on the fixed frame of photovoltaic sun plate, be distributed in desired location, and be electrically connected with the intelligent control module of indoor control cubicle respectively.
Described indoor control cubicle comprises cabinet and is installed on the radiator fan of cabinet side, is assemblied in electric equipment, energy-storage module and intelligent control module in the cabinet.
Described energy-storage module comprises that batteries (B), charging-discharging controller (CTRL), photovoltaic DC-to-AC converter (INV) and output circuit connect, and batteries (B) is comprised of the cell series and parallel; The input of charging-discharging controller (CTRL) is connected by the electric current wire harness with the terminal box of photovoltaic sun plate (PV), control end is connected with batteries (B), and the electric energy that photovoltaic sun plate (PV) is sent is stored in the batteries (B) through charging-discharging controller (CTRL), and output is connected with photovoltaic DC-to-AC converter (INV) input; Charging-discharging controller (CTRL) can direct output of DC current use for DC load (comprising energy-storage module itself, environmental data collecting module and intelligent control module and other DC load), for these DC load itself provide power supply; Also can use for AC load (AC load comprises the drive motors M of transmission module, electric equipment, illumination L, radiator fan F and other AC load) by photovoltaic DC-to-AC converter (INV) the output AC electricity that connects.
Described intelligent control module comprises main control unit CPU and display unit, each collecting unit of main control unit CPU and environmental data collecting module carries out transfer of data, and the environmental data such as the local Real-Time Monitoring angle at sunshine by receiving, irradiance, indoor and outdoor temperature, wind direction and wind velocity calculates the adjustment angle of photovoltaic sun plate according to set algorithm, control signal is exported to drive motors (M), regulate intelligently photovoltaic sun plate angle by drive motors.
Described electric equipment comprises hand/automatic switch, circuit breaker, fuse, lightning protection device, earthing device, electric energy meter, load etc.; Described load can be worked in photovoltaic sun plate generating, energy-storage module accumulate process simultaneously, also can work after the generating of photovoltaic sun plate, energy-storage module accumulate are complete again.
Described drive motors is direct current machine or alternating current machine.
Intelligent photovoltaic sunshade electricity generation system of the present invention is solar cell making process and sun-shading plate structure and the organic combination of drive system, formation activity photovoltaic sun plate, under the intelligent control module effect, according to the variation of angle at sunshine, the opening angle of automatic turning sunshading board is accepted terrestrial solar radiation to greatest extent, take full advantage of solar power generation, and give full play to the effect of sunshading board sunshading and heat-insulating, effectively reduce the energy consumption of Summer Indoor air-conditioning, for other loads provide more green energy resource.
Solar cell is combined with shading system, and realize that intelligentized monitoring and control are the another important breakthrough of solar energy power generating in the BIPV field.Described Intelligent photovoltaic sunshade electricity generation system, electricity can both can be used for the Based Intelligent Control of shading system self, also can provide green energy resource for building, and the photovoltaic sun plate is under intelligent control module control, can be according to the variation of sunshine angle, irradiance, the opening angle of automatic turning photovoltaic sun plate is accepted to greatest extent illumination and is used for generating electricity, and takes full advantage of solar energy.This not only can reduce the energy consumption of building self, improves the light heat environment of Indoor environment, and the electric energy of green cleaning can also be provided.The application of Based Intelligent Control more with the efficacy exertion of increasing income and decreasing expenditure of solar energy power generating and architectural shading heat-insulating and energy-saving to ultimate attainment, realize system intellectuality, automation, need not staff on duty, demonstrate the leading property of photovoltaic sun Building technology.
Description of drawings
Fig. 1 is bolt fixed mounting means sunshading board in the Intelligent photovoltaic sunshade electricity generation system.
Fig. 2 is Intelligent photovoltaic sunshade electricity generation system schematic diagram.
Fig. 3 is photovoltaic sun plate schematic diagram.
Fig. 4 is indoor control cubicle layout
Fig. 5 is Intelligent photovoltaic sunshade electricity generation system functional block diagram.
The explanation of Reference numeral: 1 is the photovoltaic sun plate, and 2 is drive motors, and 3 is transmission shaft lever, 4 is fixed frame, and 5 is the irradiance collecting unit, and 6 is temperature collecting cell, 7 is the angle acquisition unit, and 8 is the wind direction and wind velocity collecting unit, and 9 is the humidity collection unit, 10 is photovoltaic junction box, and 11 is indoor control cubicle, and 12 is the electric current wire harness, 13 is radiator fan F, and 14 is photovoltaic DC-to-AC converter INV, and 15 is charging-discharging controller CTRL, 16 is electric equipment, and 17 is storage battery B.
21 is amorphous silicon light-transmitting component substrate, and 22 is the amorphous silicon battery rete, and 23 is insulated wire, and 24 for installing hole, and 25 is the tempering back-panel glass, and 26 is terminal box, and 27 is junction box connector.
Embodiment:
Below in conjunction with description of drawings Intelligent photovoltaic sunshade of the present invention electricity generation system.
Referring to Fig. 2 and Fig. 5, the outside formation of Intelligent photovoltaic sunshade electricity generation system of the present invention comprises photovoltaic sun plate 1 and fixed structure, photovoltaic junction box 10, electric current wire harness 12 and indoor control cubicle 11, and inner formation comprises transmission module, electric equipment, energy-storage module, environmental data collecting module and intelligent control module.Wherein: described photovoltaic sun plate 1 and fixed structure thereof are installed in outdoor, and photovoltaic sun plate 1 one sides are established photovoltaic junction box 10, by the indoor control cubicle 11 of electric current wire harness 12 accesses.Described transmission module, environmental data collecting module are installed on photovoltaic sun plate 1 and the fixed structure thereof, and electric equipment, energy-storage module, intelligent control module are installed in the indoor control cubicle 11.
Described photovoltaic sun plate 1 and fixed structure thereof are to utilize the solar panel be installed on the framework as the sunshade panel of photovoltaic sun shading system, and solar panel can be the doubling structure.Photovoltaic sun plate and fixed structure thereof are installed on the building shading system support, and the electric current of photovoltaic sun plate is drawn the described energy-storage module of access Intelligent photovoltaic sunshade electricity generation system by photovoltaic junction box 10.Its installation form is varied, but level install, but also at right angle setting can be used for level (or inclination) the lighting roof sunshade of building, also can be used for the elevation of building sunshade, can with the building perfect adaptation.Photovoltaic sun plate and fixed structure thereof can be polylith, be connected in series by electric current wire harness 12, for example Fig. 2 is shown in the building window and respectively fills a photovoltaic sun plate 1 and fixed structure situation thereof, two blocks of photovoltaic sun plates 1 and fixed structure thereof by 12 series connection of electric current wire harness after the indoor control cubicle 11 of access.
The solar cell types that the photovoltaic sun plate adopts comprises: non-crystal silicon solar cell, the amorphous microcrystalline lamination solar cell, polysilicon solar cell, monocrystaline silicon solar cell, the solar cell of the types such as cadmium telluride solar cell and copper indium gallium tin solar cell; Comprise that simultaneously the above solar cells such as light-transmitting component solar cell corresponding to above solar cell carries out the resulting photovoltaic module product of secondary operations.
The preparation of the solar panel in the photovoltaic sun plate is prior art, be by doubling technique the back veneer materials such as solar cell substrates and glass, aluminum alloy materials, polymer to be composited, its flexible structure is simple, is fit to large-scale production, cheap, be convenient to install.In order to describe more intuitively described photovoltaic sun plate, the below illustrates as an example of a kind of amorphous silicon thin-film solar cell light-transmitting component photovoltaic sun plate example: amorphous silicon thin-film solar cell is that the method by plated film is deposited on the photoelectric conversion rete on the glass substrate, preparation technology is roughly as follows, by the LPCVD(low-pressure chemical vapor deposition) method electrode ZnO:B(boron doping zinc-oxide film before the glass substrate deposition), adopt the PECVD(plasma enhanced chemical vapor deposition at ZnO:B) method deposition opto-electronic conversion rete, be amorphous silicon film layer, then on amorphous silicon film layer, deposit the ZnO:B back electrode.Remove the rete of certain proportion area after the battery Film preparation is complete by laser scribing process in whole coating film area, make battery can see through a certain proportion of visible light, be amorphous silicon film battery light-transmitting component substrate.What of light transmittance can be by the laser technology adjustment.Then according to the designing requirement (comprising the composite factors such as dimensions, electrical property) of photovoltaic sun plate, light-transmitting component substrate battery is carried out secondary operations.In the photovoltaic sun electricity generation system example of the present invention, the bolt fixed solar panel dimensions of employing be 1300mm * 300mm * 12mm(long * wide * thick).Design circuit on the amorphous silicon film battery light-transmitting component is made insulated wire in advance, demarcates punch position.Make circuit by the battery light-transmitting component substrate of laser insulated wire scribing technique before encapsulation simultaneously, make its electrical property reach the initial design requirement.Adopt the laser technique of playing a minor role, insulated wire is cleaned out with the exterior domain rete, expose glass surface, play insulating effect.Afterwards, cut again cutting, reach preliminary dimension.Needing after the cutting that glass edge is carried out edging processes.Adopt glass punching equipment to punch at the punch position of demarcating.Then bonding current feed on the sub-battery in edge, rete both sides, and at cabling on cable rack, finish photovoltaic sun plate and solar cell panel substrate.According to the backboard of design requirement buying dimension, for example can adopt thickness 8mm toughened glass is backboard, and the position of its hole, specification are corresponding consistent with the substrate of solar panel.By PVB doubling technique substrate and back-panel glass laminating packaging.Adopt special bonding glue that terminal box is fixed on the sunshading board side, solder joint in current feed and the terminal box is welded, then carry out embedding with the special-purpose casting glue butted line of terminal box box and form photovoltaic junction box 10, amorphous silicon thin-film solar cell light-transmitting component solar panel was made complete after bonded adhesives and casting glue solidified.
The polylith solar panel is sequentially installed formation photovoltaic sun plate 1.Among the present invention, some blocks of photovoltaic sun plates are movably connected on the fixed frame 4, form photovoltaic sun plate 1 and fixed structure thereof, referring to shown in Figure 3.Photovoltaic sun plate 1, drive motors 2, transmission shaft lever 3 and fixed frame 4 consist of described transmission module.One end of transmission shaft lever 3 is connected with the output push rod of drive motors 2 on being installed in fixed frame 4, transmission shaft lever 3 respectively with each piece photovoltaic sun plate 1 on cursor be flexibly connected.Drive motors 2 drives transmission shaft lever 3 straight reciprocating motions, and transmission shaft lever 3 drives each photovoltaic sun plate 1 synchronous deflection angle.Described drive motors can adopt direct current machine, also can adopt alternating current machine.
Referring to shown in Figure 4, indoor control cubicle 11 comprises cabinet and is installed on the radiator fan 13 of cabinet side and is assemblied in electric equipment 16, energy-storage module and intelligent control module in the cabinet.In conjunction with shown in Figure 5, wherein:
Described energy-storage module comprises that batteries (B) 17, charging-discharging controller (CTRL) 15, photovoltaic DC-to-AC converter (INV) 14 and output circuit connect.Batteries (B) is comprised of by connection in series-parallel cell, monomer battery voltage be 1.2V to 60V, the cell capacity is 1-1000AH, cell can be selected from lead-acid battery, Ni-MH battery, silicon can battery, lithium ion battery etc.The terminal box 10 of the input of charging-discharging controller (CTRL) and photovoltaic sun plate (PV) is by electric current wire harness 12 be connected (in conjunction with shown in Figure 2), control end is connected with batteries (B), and the electric energy that photovoltaic sun plate (PV) is sent is stored in the batteries (B) through charging-discharging controller (CTRL), and output is connected with photovoltaic DC-to-AC converter (INV) input; Charging-discharging controller (CTRL) can also direct output of DC current use for DC load (comprising energy-storage module itself, environmental data collecting module and intelligent control module and other DC load), for these DC load itself provide power supply; Also can use for AC load (AC load comprises the drive motors M of transmission module, electric equipment, illumination L, radiator fan F and other AC load) by photovoltaic DC-to-AC converter (INV) the output AC electricity that connects.
Described intelligent control module comprises main control unit CPU, display unit, also can add timer, receiver of remote-control sytem (not expression among Fig. 5).Main control unit CPU can carry out transfer of data with each collecting unit of environmental data collecting module, and the local Real-Time Monitoring angle at sunshine by receiving, irradiance, indoor and outdoor temperature, the environmental datas such as wind direction and wind velocity calculate the adjustment angle of photovoltaic sun plate according to set algorithm, control signal is exported to drive motors (M) 2, by drive motors 2(referring to Fig. 3) regulate intelligently photovoltaic sun plate 1 angle, the change by angle make sunlight as far as possible perpendicular to solar panel with the combination that realizes photovoltaic generation and the physics sunshade function of photovoltaic sun plate with work in coordination with; When adjustment photovoltaic sun plate was closed, the direct irradiation that can keep the sun off can play to the indoor environment of building the effect of certain heat insulation and heat control; Opening angle by upset photovoltaic sun plate can reach different shaded effects and regulate light-inletting quantity, improves indoor thermal environment and luminous environment.Also can adjust by software control procedure the opening angle of photovoltaic sun plate, to adapt to local climatic characteristic, this control mode is according to the historical climate to the locality, analyzes and a kind of software program control mode of formulating in advance.Intelligent control module can also by install timer additional, receiver of remote-control sytem is connected with main control unit CPU, set artificially or time opening and the opening angle size of remote control photovoltaic panel.
Described electric equipment 16 comprises hand/automatic switch, circuit breaker, fuse, lightning protection device, earthing device, electric energy meter, load etc., is the routine configuration of indoor control cubicle 11.Described load (being the load of mentioning in the energy-storage module) can be worked in the generating of photovoltaic sun plate, energy-storage module accumulate process simultaneously; Also can after photovoltaic sun plate generating, energy-storage module accumulate are complete, work again.
Intelligent photovoltaic sunshade electricity generation system operation principle of the present invention can be expressed as: photovoltaic sun plate 1 is by receiving solar irradiation, produce direct current energy (generating), by electric current wire harness 12 with direct current energy transmission (transmission of electricity) to energy-storage module electrical power storage is got up (charging), energy-storage module is emitted direct current energy (discharge) for DC load simultaneously, emits AC energy (discharge) for AC load.In whole generating, charging, discharge, in the process of transmission of electricity, described environmental data collecting module can collect local real-time angle at sunshine, irradiance, indoor and outdoor temperature, the data messages such as wind direction and wind velocity, and these data information transfer to intelligent control module, intelligent control module carries out analyzing and processing and passes on operating instruction to the drive motors M of transmission module these data messages, thereby drive the photovoltaic sun plate, make the suitable angle of its deflection, receive to greatest extent solar irradiation, take full advantage of solar energy, be the operation of whole system, architectural lighting provides more electric energy with other with electric loading.Simultaneously, by communication, the working condition of Real Time Monitoring energy-storage module for the safety of energy storage, electric power output provides assurance, can also demonstrate real-time environmental data and generating data intuitively between described intelligent control module and the energy-storage module.
Described Intelligent photovoltaic sunshade electricity generation system can according to Architectural Design Requirements and indoor environment demand, by adjusting battery material, compound mode, the heterochromia of assembling photovoltaic sunshading board, realize the photovoltaic generation and the sunshade function that satisfy the demands.
Further specify the present invention and effect thereof below in conjunction with an instantiation.
In this routine Intelligent photovoltaic sunshade electricity generation system, designed bolt fixed photovoltaic sun plate.Fig. 1 is the schematic diagram of bolt fixed photovoltaic sun plate monolithic solar panel, 21 is the amorphous silicon light-transmitting component substrate of secondary operations among Fig. 1, its dimensions according to actual photovoltaic sun shading system design determine, for 1300mm * 300mm * 3.2mm(grow * wide * thick); 22 is the amorphous silicon battery rete, is positioned at the lower surface zone line of amorphous silicon light-transmitting component substrate 21, can be converted into electric energy to sunlight; 23 is the insulated wire of making by laser scribing process, namely the Width dual-side of the rete 22 of deposition is removed, and forms one without the rete band, plays the electric insulation effect; 24 for installing hole, is positioned on the light-transmitting component 21 corner location beyond the insulated wire 23; By PVB lamination nip adhesive process amorphous silicon light-transmitting component substrate 21 and tempering back-panel glass 25 laminating packagings; Adopt terminal box special bonding silica gel solar battery connecting box 26 to be fixed in the sidepiece of cell panel, the tie point of each current feed in the rete 21 and terminal box 26 is welded, adopt the special-purpose casting glue embedding of terminal box junction box body, the electric current that terminal box 26 converges is connected in the energy-storage module of photovoltaic sun electricity generation system by junction box connector 27.The solar panel multi-disc serial connection of said structure is assembled in formation photovoltaic sun plate 1 (referring to Fig. 3) on the framework, during connection, installation hole 24 usefulness of each solar panel are bolted on the support, after each junction box connector 27 confluxes by string and connection, in the access energy-storage module.
What this example adopted is that the interior transmitance of visible-range is 20% the two glass light-transmitting components of amorphous silicon single-unit, and the nominal power of every solar panel is the stable power output of 15.5W(under standard test condition, closes 40W/m
2), two blocks of photovoltaic sun plates of this Intelligent photovoltaic shading system design, be installed on two windows of Binhai New Area in Tianjin factory building, the photovoltaic sun plate that is formed by 15 solar panel serial connections is housed on each window, two windows are totally 30 solar panels, and total installation of generating capacity is that 0.465kW(photovoltaic sun plate area is 11.6m
2).
Above formed Intelligent photovoltaic sunshade electricity generation system, realize the opening and closing of photovoltaic sun plate by Based Intelligent Control, and according to the opening angle of the environmental data flexible photovoltaic sun plate that real-time monitors, realize the maximization of solar irradiation utilance and the optimization of shaded effects.The running of this Intelligent photovoltaic sunshade electricity generation system is as follows: please in conjunction with Fig. 5, photovoltaic sun plate PV is by receiving solar irradiation, produce unsettled direct current energy, this direct current energy is stored among the batteries B by charging-discharging controller CTRL, during DC load work, batteries B will emit the galvanic current energy, and this direct current energy is through the control output of charging-discharging controller CTRL, and a part is for the main control unit of DC load Load and intelligent control module; Another part becomes the AC energy close with civil power through the conversion of photovoltaic DC-to-AC converter INV, and for drive motors 2, radiator fan F, illumination L and other AC load, the electric energy meter D of middle access can measure the power consumption that shows AC load.In the process of whole generating, charging, discharge, transmission of electricity, described environmental data collecting module can collect local real time data information, S can gather real-time irradiance such as the irradiance collecting unit, temperature collecting cell T can gather real-time ambient temperature, and humidity collection unit H can gather real-time ambient humidity, wind direction and wind velocity collecting unit W and can gather real-time wind direction and wind speed, sunshine angle collecting unit A and can gather real-time photovoltaic sun plate deflection angle.Environmental data that these collecting units collect can be real-time be transferred to main control unit CPU, main control unit CPU carries out information analysis and processing and passes on operating instructions to drive motors 2 these environmental datas, make drive motors 2 drive photovoltaic sun plate PV, make the suitable angle of its deflection, receive to greatest extent solar irradiation.As, morning, the solar light irradiation angle was lower, and indoor temperature is not high yet, and main control unit CPU can make corresponding analysis makes photovoltaic sun plate PV only open a less angle; And noon sunlight near direct projection, indoor temperature is also high, main control unit CPU can make corresponding analysis makes photovoltaic sun plate PV open larger angle, receives to greatest extent solar irradiation, and guarantees larger ventilation quantity; To evening temperature low, wind speed is large, unglazed photograph, main control unit CPU will close photovoltaic sun plate PV.Such Based Intelligent Control takes full advantage of solar energy, for the operation of whole system, architectural lighting and other with electric loading provide more electric energy.Simultaneously, by communication, carry out real-time monitoring between intelligent control module, environmental data collecting module and the energy-storage module, can demonstrate intuitively environmental data and generating data, the safety of exporting for energy storage, electric power provides assurance.
Adopt fixed angle (the photovoltaic sun shading system location take Tianjin as the best mounted angle of the photovoltaic module of example) estimation according to monitor data, this system's one annual control average daily energy output in the first quarter is 1.22kWh; The second quarter, average daily energy output was 1.88kWh; The third quarter, average daily energy output was 1.59kWh; The fourth quarter, average daily generating was 0.86kWh, not only can satisfy the required power consumption of this Intelligent photovoltaic sunshade electricity generation system running, and the electric energy that can provide the building intraoral illumination to use.COMPREHENSIVE CALCULATING, this Intelligent photovoltaic sunshade electricity generation system annual energy output can reach approximately 505kWh(43.5kWh/m
2/ year), can save 0.2 ton of standard coal, reducing emission of carbon dioxide CO
2Approximately 0.52 ton, reducing emission of sulfur dioxide SO
2Approximately 4.8 kilograms.Using intelligent control function to make the photovoltaic sun buttress according to illumination inclination angle real time data automatic rotation and be in all the time under the best opening angle state, photovoltaic sun electricity generation system energy output can improve about 23% than above-mentioned fixed angle energy output, approximately 53.5kWh/m
2/ year(not yet comprises the photovoltaic sun plate system air conditioner refrigerating energy consumption that sunshading and heat-insulating saves in summer).
Claims (10)
1. Intelligent photovoltaic sunshade electricity generation system, it is characterized in that, comprise photovoltaic sun plate and fixed structure thereof, photovoltaic junction box, electric current wire harness and indoor control cubicle, also comprise transmission module, electric equipment, energy-storage module, environmental data collecting module and intelligent control module; Wherein: described electric equipment, energy-storage module, intelligent control module are installed in the indoor control cubicle, described photovoltaic sun plate and fixed structure thereof are installed in outdoor, photovoltaic sun plate one side is established photovoltaic junction box, by electric current wire harness access energy-storage module, described transmission module, environmental data collecting module are installed on photovoltaic sun plate and the fixed structure thereof.
2. described Intelligent photovoltaic sunshade electricity generation system according to claim 1 is characterized in that, described photovoltaic sun plate is polylith, is connected in series by the electric current wire harness.
3. described Intelligent photovoltaic sunshade electricity generation system according to claim 1 and 2 is characterized in that, described photovoltaic sun plate sequentially is installed on the fixed frame by the polylith solar panel and forms.
4. according to claim 1 and 2 or 3 described Intelligent photovoltaic sunshade electricity generation systems, it is characterized in that, described transmission module comprises cursor, drive motors, transmission shaft lever and the fixed frame of photovoltaic sun plate; One end of transmission shaft lever is connected with the output push rod of drive motors on being installed in fixed frame, transmission shaft lever respectively with each piece photovoltaic sun plate on cursor be flexibly connected; Drive motors drives the transmission shaft lever straight reciprocating motion, and transmission shaft lever drives the synchronous deflection angle of each photovoltaic sun plate.
5. described Intelligent photovoltaic sunshade electricity generation system according to claim 4, it is characterized in that, described environmental data collecting module comprise irradiance collecting unit, temperature collecting cell, humidity collection unit, wind direction and wind velocity collecting unit and sunshine the angle collecting unit, these unit are known transducer, be installed on the fixed frame of photovoltaic sun plate, be distributed in desired location, and be electrically connected with the intelligent control module of indoor control cubicle respectively.
6. according to claim 1 to 5 arbitrary described Intelligent photovoltaic sunshade electricity generation systems, it is characterized in that, described indoor control cubicle comprises cabinet and is installed on the radiator fan of cabinet side, is assemblied in electric equipment, energy-storage module and intelligent control module in the cabinet.
7. according to claim 1 to 6 arbitrary described Intelligent photovoltaic sunshade electricity generation systems, it is characterized in that, described energy-storage module comprises that batteries (B), charging-discharging controller (CTRL), photovoltaic DC-to-AC converter (INV) and output circuit connect, and batteries (B) is comprised of the cell series and parallel; The input of charging-discharging controller (CTRL) is connected by the electric current wire harness with the terminal box of photovoltaic sun plate (PV), control end is connected with batteries (B), and the electric energy that photovoltaic sun plate (PV) is sent is stored in the batteries (B) through charging-discharging controller (CTRL), and output is connected with photovoltaic DC-to-AC converter (INV) input; Charging-discharging controller (CTRL) can direct output of DC current use for DC load (comprising energy-storage module itself, environmental data collecting module and intelligent control module and other DC load), for these DC load itself provide power supply; Also can use for AC load (AC load comprises the drive motors M of transmission module, electric equipment, illumination L, radiator fan F and other AC load) by photovoltaic DC-to-AC converter (INV) the output AC electricity that connects.
8. according to claim 1 to 7 arbitrary described Intelligent photovoltaic sunshade electricity generation systems, it is characterized in that, described intelligent control module comprises main control unit CPU and display unit, each collecting unit of main control unit CPU and environmental data collecting module carries out transfer of data, and the environmental data such as the local Real-Time Monitoring angle at sunshine by receiving, irradiance, indoor and outdoor temperature, wind direction and wind velocity calculates the adjustment angle of photovoltaic sun plate according to set algorithm, control signal is exported to drive motors (M), regulate intelligently photovoltaic sun plate angle by drive motors.
9. according to claim 1 to 7 arbitrary described Intelligent photovoltaic sunshade electricity generation systems, it is characterized in that, described electric equipment comprises hand/automatic switch, circuit breaker, fuse, lightning protection device, earthing device, electric energy meter, load etc.; Described load can be worked in photovoltaic sun plate generating, energy-storage module accumulate process simultaneously, also can work after the generating of photovoltaic sun plate, energy-storage module accumulate are complete again.
10. described Intelligent photovoltaic sunshade electricity generation system according to claim 4 is characterized in that, described drive motors is direct current machine or alternating current machine.
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| CN2012104108656A CN102916620A (en) | 2012-10-24 | 2012-10-24 | Intelligent photovoltaic sunshading power generation system |
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