CN101867329B - Cooling system of high concentration solar generating battery assembly - Google Patents
Cooling system of high concentration solar generating battery assembly Download PDFInfo
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- CN101867329B CN101867329B CN2010102251218A CN201010225121A CN101867329B CN 101867329 B CN101867329 B CN 101867329B CN 2010102251218 A CN2010102251218 A CN 2010102251218A CN 201010225121 A CN201010225121 A CN 201010225121A CN 101867329 B CN101867329 B CN 101867329B
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- heat pipe
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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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Abstract
The invention relates to a cooling system of a high concentration solar generating battery assembly for rapidly reducing the temperature of a high concentration solar battery assembly with high efficiency and improving the photoelectric conversion efficiency of a high concentration solar battery provided with a cooling device by 35 % from 13 % at present. The cooling system comprises a condenser, a solar battery assembly and an oscillating-flow heat-pipe heat radiator which is integrally packaged with the solar battery assembly. An evaporation section is formed at one end of the oscillating-flow heat-pipe heat radiator close to the solar battery assembly and is made of a thermal-conductivity material containing a U-shaped micro channel. A condensation section is formed at the other end of the oscillating-flow heat-pipe heat radiator. A condensation section heat pipe is abutted on a U-shaped micro channel opening of the evaporation section to form a mutually communicated loop. The condensation section heat pipe is arranged in atmospheric environment and is naturally cooled by an outdoor airflow. The whole cooling system is not provided with motion parts and does not need external mechanical power for heat transfer. Thus, the cooling system has the advantages of simple structure, great equivalent transferring heat, high efficiency, low price and long service life.
Description
Technical field
The present invention relates to a kind of cooling system of concentration solar generating battery assembly.
Background technology
Along with the enhancing of the day by day exhausted and human environmental consciousness of global fossil energy, be that the generating cause of core has had development at full speed in recent years with the photovoltaic, the cost of photovoltaic cell component is high, photoelectric conversion efficiency is low is to restrict the photovoltaic industry development key.The high power condense photovoltaic electrification technology is arisen at the historic moment; This technology is reducing the power station cost significantly and is realizing having very big advantage aspect the large-scale production rapidly; When having remedied general cell panel to charge in batteries; Must under strong illumination, just can send enough electric weight and charge and relatively short deficiency of charging interval, high concentration solar generating has significantly reduced the photovoltaic generation cost.Yet; Also there is certain problem in the high power condense photovoltaic electrification system; Incide highdensity solar energy on the battery component except that a part converts electric energy into, all the other are unconverted for the solar energy converting of electric energy is that heat energy is absorbed by battery component, and solar module heat absorption back temperature raises; The photoelectric conversion efficiency of solar cell sharply descends along with the rising of battery self-temperature, and temperature too high useful life that also will influence battery.
Can't leave the timely and effectively heat of battery component of natural heat dissipation itself; Therefore be effectively to ensure the battery operated temperature of high concentration solar, improve generating efficiency, increase the service life; Need the concentrating solar battery plate is dispelled the heat effectively, and still lack effective heat dissipation at present.
Summary of the invention
The object of the invention is exactly in order to solve the heat dissipation problem of existing concentration solar cell assembly; A kind of cooling system of novel concentration solar cell assembly is provided; It can be rapidly and efficiently the temperature of reduction concentration solar cell assembly; The photoelectric conversion efficiency that is equipped with the concentrating solar battery of heat abstractor can be increased to 35% by present 13%, and the heat radiation process need not to consume any mechanical energy.
For realizing above-mentioned purpose, the present invention adopts following technical scheme:
It comprises a concentrator, solar module and with the oscillating flow heat pipe radiator of solar module overall package; Oscillating flow heat pipe radiator and solar module near a side be evaporation section, the opposite side of oscillating flow heat pipe radiator is a condensation segment, relies on the outdoor airflow natural cooling; Be provided with temperature sensor between solar module and oscillating flow heat pipe radiator; Temperature sensor transmits signals to mechanical control device; When the battery component temperature was too high, the sunlight load was accepted in the mechanical control device adjustment, effectively ensured the operate as normal of battery component.
The evaporation section etched inside of said oscillating flow heat pipe radiator forms a plurality of U type microflutes, and U type microflute substitutes the capillary of evaporation section in traditional oscillating flow heat pipe radiator, good heat-transfer.
The condensation segment of said oscillating flow heat pipe is not established housing, and heat pipe is exposed to outside atmosphere environment, perfect heat-dissipating.
The evaporation section of said oscillating flow heat pipe radiator is processed by the heat-conducting type material, and condensation segment is provided with a plurality of capillaries, and the U type microflute notch welding back of each mouth of pipe capillaceous and evaporation section is UNICOM each other, and the liquid filled ratio of liquid working substance is 30%～60% in the capillary.
Be provided with heat conductive silica gel between said solar module and oscillating flow heat pipe radiator, can reduce thermal conduction resistance to greatest extent.
Solar power system is by the concentrator of an optically focused among the present invention; A solar module, the concentrating solar battery generating efficiency can reach 35%, and unconverted in addition is the sunlight incident energy of electric energy; Absorbed by solar module; For ensureing the normal working temperature of battery component, with oscillating flow heat pipe radiator and battery component overall package, the heat that cell panel absorbs is taken away by the oscillating flow heat pipe radiator.
Oscillating flow heat pipe radiator and cell panel near a side be evaporation section, fill heat conductive silica gel between evaporation section and the battery component, heat conductive silica gel inside is provided with the temperature of temperature sensor measured battery assembly, the evaporation section of oscillating flow heat pipe and battery component overall package.Evaporation section is the heat-conducting type material, and etched inside forms a plurality of U type microflutes; Condensation segment is not established housing, and the heat pipe mouth of pipe of condensation segment docks with U type microflute mouth, forms the loop of mutual UNICOM.The heat pipe of condensation segment directly and atmospheric environment carry out heat exchange, cooling system does not contain movable part, need not to consume any mechanical energy.
The heat of concentration solar cell assembly passes to the evaporation section of oscillating flow heat pipe radiator with heat exchange pattern; The evaporation section temperature raises, and causes the fluid in the evaporation section U type groove to heat up, when fluid is warming up to the start-up temperature of oscillating flow heat pipe; The oscillating flow heat pipe radiator is started working; With the condensation segment of heat transferred to the oscillating flow heat pipe radiator of battery component, condensation segment is exposed in the atmospheric environment, natural heat dissipation under the outdoor airflow effect.
The invention has the advantages that; The oscillating flow heat pipe heat transfer technology combines with the concentrating solar battery electricity generation system efficiently; Utilize the oscillating flow heat pipe radiator that battery component is dispelled the heat; Can effectively reduce the temperature of solar cell, make solar cell, can prolong the useful life of solar cell simultaneously for a long time with higher photoelectric conversion efficiency work; And this cooling system does not have any movable part, and long service life need not external mechanical force and drives, and does not consume any mechanical energy.
The present invention selects for use the oscillating flow heat pipe radiator to take away the heat of photovoltaic cell own as heat transport element.Oscillating flow heat pipe is a kind of emerging high efficient heat exchanging unit; It has that heat transfer property is good, simple in structure, can be arbitrarily crooked, mode of heating flexibly, be easy to realize advantage such as microminiaturization; Heat abstractor and solar cell based on the development of oscillating flow heat pipe technology are assembled together, and realize the efficiently radiates heat of battery component.
Description of drawings
Fig. 1 is the cooling system structure chart of concentration solar cell assembly;
The oscillating flow heat pipe heat spreader structures sketch map of Fig. 2 for adopting in the cooling system of the present invention.
Wherein, 1-concentrator, 2-solar module, 3-oscillating flow heat pipe radiator, 4-heat conductive silica gel, 5-evaporation section, 6-condensation segment, 7-temperature sensor, 8-solar tracking device, 9-U type microflute, 10-capillary, 11-mechanical control device.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Among Fig. 1; It comprises the oscillating flow heat pipe radiator 3 with solar module 2 overall package; Oscillating flow heat pipe radiator 3 and solar module 2 near a side be evaporation section 5; Etched inside has U type microflute 9, arranges at least one temperature sensor 7 between evaporation section 5 and the solar module 2; The opposite side of oscillating flow heat pipe radiator 3 is a condensation segment 6, and condensation segment 6 is made up of a plurality of capillaries 10, does not establish housing, and capillary 10 docks with U type microflute 9, constitutes the loop of mutual UNICOM; Temperature sensor 7 is measured the temperature of solar module 2 in real time; And transmit signals to mechanical control device 11; If temperature value of overstepping the extreme limit; The energy (temperature sensor signal has precedence over the signal of solar tracking device, and the guarantee battery component is worked in normal range (NR)) of mechanical control device 11 work adjustment reducing to receive solar energy; 3 in solar module 2 and oscillating flow heat pipe radiator are provided with heat conductive silica gel 4.Solar module 2 is positioned at the along of concentrator 1.
Among Fig. 2, evaporation section 1 is with the good material of heat conductivility, and etched inside becomes U type microflute 9, and condensation segment 2 is folded by capillary 10 and forms, and does not establish housing, and the capillary 10 of condensation segment 2 places atmospheric environment, natural heat dissipation.The capillary 10 of condensation segment 2 docks with the U type microflute 9 of evaporation section 1, forms the loop of mutual UNICOM.The liquid filled ratio of capillary 10 inner fluid media is 30%～60%.
Claims (1)
1. the cooling system of a concentration solar generating battery assembly is characterized in that, it comprise a concentrator, solar module and with the oscillating flow heat pipe radiator of solar module overall package; Oscillating flow heat pipe radiator and solar module near a side be evaporation section, the opposite side of oscillating flow heat pipe radiator is a condensation segment, condensation segment is not established housing, is exposed to the outside atmosphere environment, relies on the outdoor airflow natural cooling; Fill heat conductive silica gel between evaporation section and the solar module, heat conductive silica gel inside is provided with the temperature of temperature sensor measured battery assembly, and temperature sensor transmits signals to mechanical control device; The evaporation section of said oscillating flow heat pipe radiator is processed by the heat-conducting type material, and etched inside forms a plurality of U type microflutes; Condensation segment is provided with a plurality of capillaries, and the U type microflute notch welding back of each mouth of pipe capillaceous and evaporation section is UNICOM each other, and the liquid filled ratio of capillary inner fluid medium is 30% ~ 60%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102251218A CN101867329B (en) | 2010-07-13 | 2010-07-13 | Cooling system of high concentration solar generating battery assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102251218A CN101867329B (en) | 2010-07-13 | 2010-07-13 | Cooling system of high concentration solar generating battery assembly |
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| Publication Number | Publication Date |
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| CN101867329A CN101867329A (en) | 2010-10-20 |
| CN101867329B true CN101867329B (en) | 2012-11-07 |
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| CN2010102251218A Active CN101867329B (en) | 2010-07-13 | 2010-07-13 | Cooling system of high concentration solar generating battery assembly |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8796535B2 (en) * | 2011-09-30 | 2014-08-05 | Sunpower Corporation | Thermal tracking for solar systems |
| CN105387953B (en) * | 2015-12-24 | 2018-04-13 | 湘电集团有限公司 | Disc type solar energy photo-thermal power generation equipment and concentrator hot spot temperature-detecting device |
| CN105972450B (en) * | 2016-06-23 | 2017-06-16 | 高天放 | A kind of Solar lamp with hot pipe cooling structure and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1013802C2 (en) * | 1999-12-09 | 2001-06-12 | Legerlede Holding B V | Method for cooling gas-form, liquid or solid medium using solar energy employs absorption cooling system and properties of absorption fluid, drive gas as cooling gas and auxiliary gas to improve evaporation properties of drive gas |
| DE102005054366A1 (en) * | 2005-11-15 | 2007-05-16 | Durlum Leuchten | Solar collector with heat engine |
| CN200982571Y (en) * | 2006-12-15 | 2007-11-28 | 陈瑞时 | Integral optically focused solar lighting device |
| CN101388420A (en) * | 2008-10-08 | 2009-03-18 | 大连理工大学 | Closed-loop capillary solar photovoltaic thermoelectric plate |
| CN201409099Y (en) * | 2009-03-17 | 2010-02-17 | 浙江同星光电科技有限公司 | Solar energy condensing power generation system with cooling device |
| CN201805369U (en) * | 2010-07-13 | 2011-04-20 | 山东天力干燥设备有限公司 | Cooling system for high-concentration solar power generation battery pack |
-
2010
- 2010-07-13 CN CN2010102251218A patent/CN101867329B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1013802C2 (en) * | 1999-12-09 | 2001-06-12 | Legerlede Holding B V | Method for cooling gas-form, liquid or solid medium using solar energy employs absorption cooling system and properties of absorption fluid, drive gas as cooling gas and auxiliary gas to improve evaporation properties of drive gas |
| DE102005054366A1 (en) * | 2005-11-15 | 2007-05-16 | Durlum Leuchten | Solar collector with heat engine |
| CN200982571Y (en) * | 2006-12-15 | 2007-11-28 | 陈瑞时 | Integral optically focused solar lighting device |
| CN101388420A (en) * | 2008-10-08 | 2009-03-18 | 大连理工大学 | Closed-loop capillary solar photovoltaic thermoelectric plate |
| CN201409099Y (en) * | 2009-03-17 | 2010-02-17 | 浙江同星光电科技有限公司 | Solar energy condensing power generation system with cooling device |
| CN201805369U (en) * | 2010-07-13 | 2011-04-20 | 山东天力干燥设备有限公司 | Cooling system for high-concentration solar power generation battery pack |
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| CN101867329A (en) | 2010-10-20 |
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