CN102104345A - Light-concentrating crystalline silicon solar battery component - Google Patents

Light-concentrating crystalline silicon solar battery component Download PDF

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Publication number
CN102104345A
CN102104345A CN2009102014703A CN200910201470A CN102104345A CN 102104345 A CN102104345 A CN 102104345A CN 2009102014703 A CN2009102014703 A CN 2009102014703A CN 200910201470 A CN200910201470 A CN 200910201470A CN 102104345 A CN102104345 A CN 102104345A
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CN
China
Prior art keywords
silicon solar
solar cell
solar battery
battery component
optically focused
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Pending
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CN2009102014703A
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Chinese (zh)
Inventor
倪开禄
张剑
周光华
李长岭
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SHANGHAI CHAORI SOLAR ENGINEERING Co Ltd
Shanghai Chaori Solar Energy Science & Technology Co Ltd
Original Assignee
SHANGHAI CHAORI SOLAR ENGINEERING Co Ltd
Shanghai Chaori Solar Energy Science & Technology Co Ltd
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Application filed by SHANGHAI CHAORI SOLAR ENGINEERING Co Ltd, Shanghai Chaori Solar Energy Science & Technology Co Ltd filed Critical SHANGHAI CHAORI SOLAR ENGINEERING Co Ltd
Priority to CN2009102014703A priority Critical patent/CN102104345A/en
Publication of CN102104345A publication Critical patent/CN102104345A/en
Pending legal-status Critical Current

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    • 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 belongs to a light-concentrating crystalline silicon solar battery component, which comprises a light concentrator, a monocrystalline silicon photovoltaic power generating device, a radiating and cooling device and a solar tracking device. The light-concentrating crystalline silicon solar battery component is characterized in that: a monocrystalline silicon solar battery is mounted on the solar tracking device; the upper part of the monocrystalline silicon solar battery is provided with the light concentrator, and the lower part of the monocrystalline silicon solar battery is provided with the radiating and cooling device. The invention has the advantages that: the light concentrating solar battery concentrates sunlight onto the solar battery by a light concentrating mirror; the conversion efficiency can be improved substantially through increasing the energy-flow density on the battery surface; and the usage amount of a material is reduced.

Description

A kind of optically focused crystal silicon solar battery component
Technical field
The invention belongs to the concentration photovoltaic system of monocrystalline silicon, sunlight is gathered on the monocrystalline silicon photovoltaic cell, can improve the use amount of generating efficiency and reduction battery material significantly, reduce cost of electricity-generating with the column condenser as generating element.
Background technology
The progress at full speed of human society is to be based upon on the basis of fossil energy technology high-speed development since 19th century, annual up to now to based on the demand of the fossil energy of oil, coal, natural gas also in continuous increase.But tellurian this class energy is limited, will be consumed totally at mid-21st Century according to present depletion rate fossil energy.The use of this quasi-fossil energy of simultaneous has produced on a large scale human and natural environment and has had a strong impact on.Therefore green non-pollution and reproducible new forms of energy will replace the basis that the existing energy becomes the future source of energy system.Wherein solar energy is considered to the optimum optimal alternative energy source of following human society, but the too high application that limits solar cell of cost of electricity-generating.Be used now maximum be that the cost of electricity-generating of monocrystalline silicon and polysilicon solar cell is about 2 yuan/kilowatt hour, far above civilian electricity price.Will improve generating efficiency or reduce manufacturing cost in order to reduce its cost of electricity-generating.But crystal silicon solar energy battery is a kind of very mature technique, is difficult to significantly reduce cost of electricity-generating again through years of development, must introduce other technology and fundamentally change its forms of electricity generation.
Summary of the invention:
The objective of the invention is to solve existing the problems referred to above of generating of monocrystalline silicon and polysilicon solar cell in the prior art, a kind of optically focused crystal silicon solar battery component is provided.The present invention designs a kind of optically focused crystal silicon solar battery component, comprise that the optically focused crystal silicon solar battery component is made up of concentrator, monocrystalline silicon photovoltaic power generation apparatus, heat radiation cooling device and sun tracker, it is characterized in that: monocrystaline silicon solar cell is installed on the sun tracker, the top of monocrystaline silicon solar cell is provided with concentrator, is provided with heat radiation cooling device in the bottom of monocrystaline silicon solar cell.It is characterized in that: the concentrator on the top of monocrystaline silicon solar cell is the column collector lens.It is characterized in that: each monocrystaline silicon solar cell two ends bypass diode in parallel.It is characterized in that: the monocrystaline silicon solar cell that is positioned under the column collector lens is connected in series by the multi-disc monocrystaline silicon solar cell, is coated with the piece ultraviolet ray filter on the multi-disc monocrystaline silicon solar cell.It is characterized in that: the monocrystaline silicon solar cell bottom is binded on a ceramic substrate by the thermal conductive silicon film, connects heat radiation cooling device on ceramic substrate.It is characterized in that: heat radiation cooling device is made up of circulating cooling pipe road, water pump and radiator, and a side of the cold scarce pipeline that circulates connects ceramic substrate, and opposite side connects radiator, and circulating cooling pipe connects water pump on the road.It is characterized in that: described sun tracker is the one dimension sun tracker of horizontal direction, rotates a flat board by a drive motors and sways, and monocrystaline silicon solar cell is installed on the flat board.It is characterized in that: be connected with control device on the described sun tracker, be connected with detector on the control device, detector is two photosensitive components and parts that isolated chambers is interior in the container, it is characterized in that: four reflector is installed between collector lens and monocrystaline silicon solar cell.Advantage of the present invention be concentrating solar battery promptly with condenser with solar ray collecting to solar cell, by improving the energy-flux density of battery surface, can significantly improve conversion efficiency, reduce the use amount of material simultaneously.
Description of drawings:
Fig. 1 is the index path of beam condensing unit,
Fig. 2 is a structural representation of the present invention,
Fig. 3 is the structure chart of cooling system,
Fig. 4 is the light-sensitive detector structure chart,
Fig. 5 concentrating component overall structure figure,
1 is the monocrystalline silicon photovoltaic cell among Fig. 1,2 reflectors, and 3 column collector lenses, 4 sunlights,
1 monocrystalline silicon photovoltaic cell among Fig. 2,2 reflectors, 3 column collector lenses, 4 sunlights, 5 ultraviolet filter glass, 6 ceramic substrates, 7 liquid cooling systems, 1 monocrystalline silicon photovoltaic cell among Fig. 3,6 ceramic substrates, 8 cooling pipes, 9 water pumps, 10 radiators, 11 probe bodys among Fig. 4, the inner shading baffle plate of 12 detectors, 13 light-sensitive devices, 21 light-sensitive detectors among Fig. 5,22, concentration photovoltaic system, 23 anemometer detectors, 24 light intensity detectors and clock, 25 horizontal direction stepping motors, 26 storage batterys and power-supply system, 27 firm bankings, 28 supports, 29 controllers and control circuit.
Below in conjunction with accompanying drawing and construction embodiment the present invention is made detailed operation instruction.
Embodiment:
A kind of with the Blast Furnace Top Gas Recovery Turbine Unit (TRT) of monocrystalline silicon as photovoltaic material, the energy-flux density that improves battery surface by condenser system reduces the consumption of battery simultaneously with the generating efficiency that improves battery; Reduce the high temperature that optically focused brings battery by liquid cooling system, reduce the efficient heat waste; Use the one dimension solar tracking system, keep the sunlight direct projection and focus on improving generating efficiency on the cell panel further.
Comprise that the optically focused crystal silicon solar battery component is made up of concentrator, monocrystalline silicon photovoltaic power generation apparatus, heat radiation cooling device and sun tracker, it is characterized in that: monocrystaline silicon solar cell is installed on the sun tracker, the top of monocrystaline silicon solar cell is provided with concentrator, is provided with heat radiation cooling device in the bottom of monocrystaline silicon solar cell.It is characterized in that: the concentrator on the top of monocrystaline silicon solar cell is the column collector lens.It is characterized in that: each monocrystaline silicon solar cell two ends bypass diode in parallel.It is characterized in that: the monocrystaline silicon solar cell that is positioned under the column collector lens is connected in series by the multi-disc monocrystaline silicon solar cell, is coated with the piece ultraviolet ray filter on the multi-disc monocrystaline silicon solar cell.It is characterized in that: the monocrystaline silicon solar cell bottom is binded on a ceramic substrate by the thermal conductive silicon film, connects heat radiation cooling device on ceramic substrate.It is characterized in that: heat radiation cooling device is made up of circulating cooling pipe road, water pump and radiator, and a side in circulating cooling pipe road connects ceramic substrate, and opposite side connects radiator, and circulating cooling pipe connects water pump on the road.It is characterized in that: described sun tracker is the one dimension sun tracker of horizontal direction, rotates a flat board by a drive motors and sways, and monocrystaline silicon solar cell is installed on the flat board.It is characterized in that: be connected with control device on the described sun tracker, be connected with detector on the control device, detector is two photosensitive components and parts that isolated chambers is interior in the container.It is characterized in that: four reflector is installed between collector lens and monocrystaline silicon solar cell.
During actual the use, each monocrystaline silicon solar cell 1 bypass diode in parallel, afterwards a plurality of cell device series connection back is formed a line by shown in Figure 1, the top is put EVA (lamellar) and ultraviolet filter glass 5 from top to bottom successively, the bottom is put thermal conductive silicon film and ceramic substrate 6 from top to bottom successively, adds frame fixation behind the press mold.Cooling device is considered heat radiation and cost by design shown in Figure 3 simultaneously for the ease of processing, and cooling pipe 8 and radiator 10 are all made by aluminium alloy.With the top that is welded on cooling pipe 8 behind ceramic substrate 6 surface metalations with 4 reflectors 2, column condenser 3, photovoltaic cell 1 and radiator 7 by combination shown in Figure 1, outside use aluminum alloy frame is fixed and is supported, and reflector 2, column condenser 3 and 1 of photovoltaic cell will carry out sealing and dustproof to be handled.By installation light-sensitive detector 11 shown in Figure 4, shell 12 and shading baffle plate 13 all are made of metal, and inner surface is coated with opaque blacking, and shell 12 and shadow shield 13 all will have certain height.Each detector 11,22 is installed in the central top of support, and controller 29 is installed in by the detector, and the end end that links to each other with detector 11,22 links to each other with motor 25.Each concentration photovoltaic system 21 usefulness support links to each other, be installed on the stepping motor 25 of horizontal direction together with devices such as the detector 11,22 at top and controllers 29, can be when machine operation with the first half support left-right rotation together, motor lower portion is fixed on the metab 27.Whole tracking means is in resting state at ordinary times, has only when timer to begin startup work then, and the wind-force detector signal has the highest weight limit, stops machine operation when recording wind-force automatically after too high; Light intensity detector and clock have second authority, cross when recording light intensity that stop tracking means work automatically and judge whether when weak need be with the tracker homing; Light-sensitive detector has the 3rd authority, when the front judges that can operate as normal the time, according to the signal that detection obtains, motor moves cell panel phase light intensity side automatically, quits work after the light intensity signal intensity on 2 light-sensitive devices 13 is in full accord.Storage battery and power-supply system 26 are installed in the base top, at ordinary times by the photovoltaic cell charging, when tracking means is worked, as the power supply output power of device.
Reach 17% monocrystaline silicon solar cell as Blast Furnace Top Gas Recovery Turbine Unit (TRT) with efficient in the reality, use the column collector lens, the light intensity of gathering has reached 30 times, and high light intensity has improved generating efficiency, makes the efficient of concentrator cell assembly bring up to 22.9%.With respect to traditional Fresnel mirror, it is more even that the column condenser focuses on the back light distribution, is difficult for aging distortion.Hot spot after assembling simultaneously is a linear light strip, only needs the one dimension solar tracking system just sunlight can be gathered on the photovoltaic cell accurately, has significantly reduced the requirement to tracking system.
Between collector lens and monocrystaline silicon solar cell, install four reflector additional, when Blast Furnace Top Gas Recovery Turbine Unit (TRT) breaks down, the light belt that focuses on is not on battery the time, and reflector can reflex to light belt and continue generating on the battery, prevents that simultaneously the high light of assembling from destroying the internal components of Blast Furnace Top Gas Recovery Turbine Unit (TRT).
Each monocrystaline silicon solar cell bypass diode in parallel, when indivedual monocrystalline silicon batteries according to not falling sunlight or break down can not generate electricity the time, diode current flow provides path, the battery that protection can't be generated electricity does not influence the work of other battery simultaneously.The several piece monocrystaline silicon solar cell is formed a line, be connected in series and form the generating element of a strip, and install a ultraviolet ray filter up additional, can prevent that the high-intensity ultraviolet of assembling from influencing the performance of photovoltaic cell.
Monocrystaline silicon solar cell binds on a ceramic substrate with the thermal conductive silicon film, can guarantee that the electric insulation of battery and matrix does not influence heat radiation again.Because can producing very big heat, the high strength sunlight of assembling make the temperature rising of photovoltaic cell influence power generation performance, and general passive radiating mode deficiency so that battery in lower temperature work, therefore on ceramic substrate, install a cover liquid cooling apparatus additional, cooling liquid by circulation can reduce the generating efficiency reduction that temperature rise causes so that the working temperature of battery remains on below 50 ℃.
In order to guarantee that the sunlight vertical incidence improves generating efficiency, concentration photovoltaic system need be installed on the sun tracker, constantly adjust the angle of concentration photovoltaic system.Owing to used the line condenser, can guarantee to focus on all the time on the battery at vertical direction sunlight, only need to use the one dimension sun tracker, make condenser system rotate the tracking sun in the horizontal direction and get final product.
The simple more light intensity comparison method of tracking accuracy height, system that adopted this device realize to sunlight from motion tracking.Record by 2 photosensitive components and parts that are placed in the cavity that container isolates mutually and to shine top light intensity, data are sent into controller.When the data that record when 2 photosensitive components and parts are inequality, illustrate that sunlight has deviation, the flat board of sun tracker moved to the light intensity direction that the direct projection of explanation sunlight enters when the data on 2 photosensitive components and parts are identical, and flat board is parked in existing angle.With the azimuth of a step motor control cell panel horizontal direction, just can guarantee the vertical incidence of sunlight.Because it is very slow that move the position of the sun, the rotating speed of motor design is very low for this reason, and in about 4 hours/week, because the very high power consumption that can reduce motor of rotating ratio, the motor total power consumption is less than 1% of electric power generation cell.Simultaneously detector and controller are set at timing mode, the every start through after a while surveyed once, and all the other times enter sleep pattern, save electricity that can be a large amount of.In order to prevent that high wind from damaging tracker, install the wind-force detector additional, when wind-force increased to a certain degree, motor quit work and reduces up to wind-force.
Outside controller, adorn a light-sensitive detector and clock in addition, when light-sensitive detector records that external sunlight intensity is very weak to be not suitable for photovoltaic battery panel and to work, automatically stop the operation of tracker, record this moment when being evening when clock simultaneously, second day The sun came up waited in the operation that cell panel is automatically reverted to the home position and stop tracker.

Claims (9)

1. optically focused crystal silicon solar battery component, comprise that the optically focused crystal silicon solar battery component is made up of concentrator, monocrystalline silicon photovoltaic power generation apparatus, heat radiation cooling device and sun tracker, it is characterized in that: monocrystaline silicon solar cell is installed on the sun tracker, the top of monocrystaline silicon solar cell is provided with concentrator, is provided with heat radiation cooling device in the bottom of monocrystaline silicon solar cell.
2. by the described a kind of optically focused crystal silicon solar battery component of claim 1, it is characterized in that: the concentrator on the top of monocrystaline silicon solar cell is the column collector lens.
3. by the described a kind of optically focused crystal silicon solar battery component of claim 1, it is characterized in that: each monocrystaline silicon solar cell two ends bypass diode in parallel.
4. by the described a kind of optically focused crystal silicon solar battery component of claim 1, it is characterized in that: the monocrystaline silicon solar cell that is positioned under the column collector lens is connected in series by the multi-disc monocrystaline silicon solar cell, is coated with ultraviolet ray filter on the multi-disc monocrystaline silicon solar cell.
5. by the described a kind of optically focused crystal silicon solar battery component of claim 1, it is characterized in that: the monocrystaline silicon solar cell bottom is binded on a ceramic substrate by the thermal conductive silicon film, connects heat radiation cooling device on ceramic substrate.
6. by claim 1 or 5 described a kind of optically focused crystal silicon solar battery components, it is characterized in that: heat radiation cooling device is made up of circulating cooling pipe road, water pump and radiator, one side in circulating cooling pipe road connects ceramic substrate, opposite side connects radiator, and circulating cooling pipe connects water pump on the road.
7. by the described a kind of optically focused crystal silicon solar battery component of claim 1, it is characterized in that: described sun tracker is the one dimension sun tracker of horizontal direction, rotate a flat board by a drive motors and sway, monocrystaline silicon solar cell is installed on the flat board.
8. by the described a kind of optically focused crystal silicon solar battery component of claim 7, it is characterized in that: be connected with control device on the described sun tracker, be connected with detector on the control device, detector is two photosensitive components and parts that isolated chambers is interior in the container.
9. by the described a kind of optically focused crystal silicon solar battery component of claim 1, it is characterized in that: four reflector is installed between collector lens and monocrystaline silicon solar cell.
CN2009102014703A 2009-12-18 2009-12-18 Light-concentrating crystalline silicon solar battery component Pending CN102104345A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104143953A (en) * 2013-05-07 2014-11-12 青岛创铭新能源有限公司 Solar highly-concentrated energy amplification photovoltaic power generation device
CN107491011A (en) * 2017-09-06 2017-12-19 合肥凌山新能源科技有限公司 A kind of solar power generation control system of high temperature-proof
CN109839959A (en) * 2019-03-01 2019-06-04 周雨航 A kind of radiation direction sensor and the solar power system using the sensor
CN109839959B (en) * 2019-03-01 2021-12-21 周雨航 Light direction sensor and solar power generation system adopting same

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1369956A (en) * 2002-01-17 2002-09-18 南京春辉科技实业有限公司 Photovoltaic electric generation system automatically tracking sun
CN101145743A (en) * 2006-09-11 2008-03-19 官有占 Efficient power generation and heat radiation system of solar battery
CN101192632A (en) * 2006-12-01 2008-06-04 中国科学院半导体研究所 Solar-energy light-focusing battery unit
CN201113838Y (en) * 2007-10-22 2008-09-10 商勇杰 Solar energy condensing photovoltaic generating plant mechanical installation
CN201315553Y (en) * 2008-12-17 2009-09-23 中国科学院西安光学精密机械研究所 One-dimensional line-focusing concentrating photovoltaic generating set

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1369956A (en) * 2002-01-17 2002-09-18 南京春辉科技实业有限公司 Photovoltaic electric generation system automatically tracking sun
CN101145743A (en) * 2006-09-11 2008-03-19 官有占 Efficient power generation and heat radiation system of solar battery
CN101192632A (en) * 2006-12-01 2008-06-04 中国科学院半导体研究所 Solar-energy light-focusing battery unit
CN201113838Y (en) * 2007-10-22 2008-09-10 商勇杰 Solar energy condensing photovoltaic generating plant mechanical installation
CN201315553Y (en) * 2008-12-17 2009-09-23 中国科学院西安光学精密机械研究所 One-dimensional line-focusing concentrating photovoltaic generating set

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104143953A (en) * 2013-05-07 2014-11-12 青岛创铭新能源有限公司 Solar highly-concentrated energy amplification photovoltaic power generation device
CN107491011A (en) * 2017-09-06 2017-12-19 合肥凌山新能源科技有限公司 A kind of solar power generation control system of high temperature-proof
CN109839959A (en) * 2019-03-01 2019-06-04 周雨航 A kind of radiation direction sensor and the solar power system using the sensor
CN109839959B (en) * 2019-03-01 2021-12-21 周雨航 Light direction sensor and solar power generation system adopting same

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Application publication date: 20110622