CN102263151B - Solar photovoltaic and optothermal integrated module - Google Patents

Solar photovoltaic and optothermal integrated module Download PDF

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Publication number
CN102263151B
CN102263151B CN2011101656762A CN201110165676A CN102263151B CN 102263151 B CN102263151 B CN 102263151B CN 2011101656762 A CN2011101656762 A CN 2011101656762A CN 201110165676 A CN201110165676 A CN 201110165676A CN 102263151 B CN102263151 B CN 102263151B
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heat
photovoltaic
pipe
integrated module
micro
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CN102263151A (en
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于奎明
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于奎明
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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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/10Photovoltaic [PV]
    • 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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/70Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • 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
    • 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
    • Y02E10/60Thermal-PV hybrids

Abstract

The invention discloses a solar photovoltaic and optothermal integrated module, comprising a solar cell pack, wherein one side of the solar cell pack is provided with a glass plate, and the other side of the solar cell pack is provided with an electrical insulating heat-conducting film; and one side, far away from the glass plate, of the electrical insulating heat-conducting film is provided with a flat micro-channel heat pipe. In the module, a technology that the flat micro-channel heat pipe absorbs heat is utilized, thus the solar cell pack is in a more stable working state; and a collector pipe is used for transmitting hot water to a water heater box so as to provide domestic water, thereby realizing the use of waste heat, solving the defect that the efficiency is low caused by temperature rise of solar cells in the process of photovoltaic power generation, and recycling the waste heat of the solar cell pack.

Description

A kind of photovoltaic, the integrated module of photo-thermal
Technical field
The present invention relates to the integrated module of a kind of solar energy, specifically, relate to a kind of solar energy power generating that utilizes, micro-channel flat plate heat pipe heat dissipation technology, the temperature of reduction photovoltaic module, the integrated module of photovoltaic, photo-thermal that Waste Heat Recovery is utilized.
Background technology
Solar energy is a kind of cleaning, economy, the stable energy.The solar energy resources of China is abundant relatively, and photovoltaic generation and solar water heater industry have formed industrialization production through fast development in a few years, and technology is constantly brought forth new ideas, and properties of product are are constantly improved and optimizated, and are widely used at present.In the photovoltaic generation process, the solar energy utilization ratio has only tens percent, and big energy is absorbed by battery and is converted to heat energy, if these energy are reclaimed, can improve solar energy utilization rate greatly.
For dull and stereotyped crystal silicon solar batteries, the temperature coefficient of operating voltage (Vmp) is about-0.0045/ ℃; The temperature coefficient of open circuit voltage (Voc) is about-0.0034/ ℃.In the photovoltaic generation process, along with the solar cell junction temperature, temperature rises solar cell open circuit voltage Voc is descended, and short circuit current Isc then slightly increases, and total cognition causes the power output of solar cell to descend.
For the amorphous silicon membrane battery, the temperature coefficient of operating voltage (Vmp) is about-0.0028/ ℃ (coefficient of amounting to 70 ℃ is 0.874); The temperature coefficient of open circuit voltage Voc is about-0.0028/ ℃ (coefficient when amounting to-10 ℃ is 1.1).
Rising can cause the problem that the power output of solar cell descends at the solar cell temperature, is an important problem to opto-electronics.
Summary of the invention
The problem to be solved in the present invention is can not in time get rid of at the used heat that the solar cell module produces in photoelectric conversion process, cause surface temperature too high, the power output of solar cell descends, the problem that photoelectric conversion efficiency descends, a kind of photovoltaic, the integrated module of photo-thermal are provided, solar energy is moved under the status of criterion for a long time, improve output voltage and the power output of solar cell module, thereby improve solar energy
Comprehensive utilization ratio.
For addressing the above problem, the technical solution adopted in the present invention is:
A kind of photovoltaic, the integrated module of photo-thermal, comprise the solar battery sheet group, it is characterized in that: a wherein side of described solar battery sheet group is provided with glass plate, and opposite side is provided with the electric-insulation heat-conduction film, and described electric-insulation heat-conduction film is provided with micro-channel flat plate heat pipe away from a side of glass plate.
Below be further improvement of these options of the present invention:
Described micro-channel flat plate heat pipe comprises corrugated conduit plate, and corrugated conduit plate is fixedly connected with upper cover plate and lower cover is arranged.
Further improve:
Described lower cover is provided with heat-insulation layer away from a side of corrugated conduit plate.
Further improve:
One end of micro-channel flat plate heat pipe is communicated with collector pipe.
Further improve:
Be communicated with the topping up pipe on the micro-channel flat plate heat pipe.
Further improve: described solar battery sheet group is flat structure.
Further improve: described solar battery sheet group is monocrystalline silicon battery group or polycrystal silicon cell group.
The present invention adopts such scheme, utilizes micro-channel flat plate heat pipe heat absorption technology to make solar battery group be under the more stable working condition, by collector pipe delivery is arrived water heater tank, and domestic water is provided, thereby realizes the utilization of used heat.
The invention solves the photovoltaic generation process and cause inefficient defective because solar cell temperature raises, and the used heat of solar battery group is recycled.
The micro-channel flat plate heat pipe technology is with its good heat conductivity and install simple, well solved the cell panel problems of excessive heat, it will become the effective method of radiating and cooling in the photovoltaic process, fully utilize solar energy the whole year, reach effect in energy saving and environmental protection, used roof type or wall-body photovoltaic generating system, and the area of demand hot water or engineering, can be extensively practical, be suitable for producing in batches.
The present invention has also solved the restriction because of the space, has implemented photovoltaic generating system, and can't implement the photo-thermal system, causes the low phenomenon of solar energy utilization ratio.
Utilize micro-channel flat plate heat pipe to collect used heat, recycling waste heat domestic water, realize the utilization of used heat, improved the utilance of luminous energy greatly, because heat-absorbing medium has absorbed the waste heat that the silion cell transformation efficiency is descended, the working temperature of photovoltaic array is decreased, thereby the generating efficiency of system is improved a lot than traditional photovoltaic system.
The invention will be further described below in conjunction with drawings and Examples.
Description of drawings
Accompanying drawing 1 is the cross-sectional view of the embodiment of the invention;
Accompanying drawing 2 is the vertical view of accompanying drawing 1;
Accompanying drawing 3 is the side connection diagram of micro-channel flat plate heat pipe and collector pipe.
Among the figure: 1-photovoltaic solar cell group; The 2-micro-channel flat plate heat pipe; The 3-glass plate; The 4-heat-insulation layer; The 5-collector pipe; 6-electric-insulation heat-conduction film; 7-topping up pipe; The 8-upper cover plate; The 9-lower cover; The corrugated conduit plate of 10-.
Embodiment
Embodiment, as shown in Figure 1 and Figure 2, a kind of photovoltaic, the integrated module of photo-thermal, the solar battery sheet group 1 that comprises flat structure, it is characterized in that: a wherein side of described solar battery sheet group 1 is provided with glass plate 3, opposite side is provided with electric-insulation heat-conduction film 6, and described electric-insulation heat-conduction film 6 is provided with micro-channel flat plate heat pipe 2 away from a side of glass plate 3.
Described electric-insulation heat-conduction film 6 is selected the fabulous silica gel material of heat conductivility for use, main effect be heat maximal efficiency that solar battery sheet is produced be delivered to micro-channel flat plate heat pipe 2.
Described micro-channel flat plate heat pipe 2 comprises corrugated conduit plate 10, and a wherein side of corrugated conduit plate 10 is fixedly connected with upper cover plate 8, and opposite side is connected with lower cover 9.
Be communicated with topping up pipe 7 on the micro-channel flat plate heat pipe 2, be used in heat pipe, charging into required working medium.
After micro-channel flat plate heat pipe 2 is evacuated, by topping up pipe 7 required working medium is charged in the micro-channel flat plate heat pipe 2, charge after the working medium 7 sealings of topping up pipe.
Described lower cover 9 away from a side of corrugated conduit plate 10 be provided with heat-insulation layer 4, be used for preventing that the heat in the flat-plate heat pipe from distributing.
As shown in Figure 3, an end of micro-channel flat plate heat pipe 2 is communicated with collector pipe 5, will be transported in the boiler through the water that working medium heated by collector pipe 5, and domestic water is provided.
The good aluminum alloy materials of described collector pipe 5 usefulness heat conductivilitys is made, and has effectively increased heating surface area, more is conducive to heat exchange.Collector pipe 5 is glued together by the good silica gel of heat conductivility with the condensation segment of micro-channel flat plate heat pipe 2.
The present invention generates heat in power generation process by solar battery sheet, make the solar battery sheet surface temperature raise, with heat absorption, by heat absorption working medium low grade heat energy is converted to available high-grade thermal energy storage in hot water collector case by the micro-channel flat plate heat pipe system.
Battery sheet after the cooling can satisfy under normal state works, thereby has improved output voltage and the power output of solar battery sheet, the useful life of also having improved the battery sheet.The heat energy that also will fail simultaneously to be converted into electric energy has in a large number obtained maximum utilization, and domestic water is provided, and makes the efficiency of light energy utilization remain on higher level.
For obtaining the concrete photovoltaic and photothermal performance of system, to choose some day this system has been carried out experiment test, table 1 is actual measurement data.
Table 1:
The power of overall system is 1KW.
By in the table as can be seen, along with the time changes, intensity of illumination strengthens gradually, the temperature of cell panel also constantly rises.Because the beginning water temperature is lower, good cooling results, so water temperature rise very fast, the heat efficiency is higher, is up to 25%, optical efficiency reaches 14.3%, after the temperature of water tank arrived uniform temperature, along with the decline of radiation temperature, water temperature and the heat efficiency also reduced gradually.As can be seen from the above table, the total efficient of system can reach more than 35%, utilize characteristic with the heat efficiency and electrical efficiency sum overall merit photovoltaic and photothermal system capacity, there are the higher heat efficiency and electrical efficiency in the photovoltaic and photothermal system as can be seen, than being significantly improved with photovoltaic or efficiency of utilization separately.
In above-described embodiment, described solar battery sheet group 1 is monocrystalline silicon or polycrystal silicon cell group.

Claims (6)

1. a photovoltaic, the integrated module of photo-thermal, comprise solar battery sheet group (1), it is characterized in that: a wherein side of described solar battery sheet group (1) is provided with glass plate (3), opposite side is provided with electric-insulation heat-conduction film (6), described electric-insulation heat-conduction film (6) is selected the fabulous silica gel material of heat conductivility for use, and described electric-insulation heat-conduction film (6) is provided with micro-channel flat plate heat pipe (2) away from a side of glass plate (3); Described micro-channel flat plate heat pipe (2) comprises corrugated conduit plate (10), and corrugated conduit plate (10) is fixedly connected with upper cover plate (8) and lower cover (9) is arranged.
2. a kind of photovoltaic according to claim 1, the integrated module of photo-thermal, it is characterized in that: described lower cover (9) is provided with heat-insulation layer (4) away from a side of corrugated conduit plate (10).
3. according to one of them described a kind of photovoltaic of claim 1-2, the integrated module of photo-thermal, it is characterized in that: an end of micro-channel flat plate heat pipe (2) is communicated with collector pipe (5).
4. a kind of photovoltaic according to claim 3, the integrated module of photo-thermal is characterized in that: be communicated with topping up pipe (7) on the micro-channel flat plate heat pipe (2).
5. a kind of photovoltaic according to claim 4, the integrated module of photo-thermal is characterized in that: described solar battery sheet group (1) is flat structure.
6. a kind of photovoltaic according to claim 5, the integrated module of photo-thermal, it is characterized in that: described solar battery sheet group (1) is monocrystalline silicon battery group or polycrystal silicon cell group.
CN2011101656762A 2011-06-20 2011-06-20 Solar photovoltaic and optothermal integrated module Expired - Fee Related CN102263151B (en)

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Application Number Priority Date Filing Date Title
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CN102263151B true CN102263151B (en) 2013-07-17

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102437223A (en) * 2011-12-12 2012-05-02 山东力诺光伏高科技有限公司 Heat utilization device for solar panel
CN110108044B (en) * 2019-04-16 2021-01-26 桑夏太阳能股份有限公司 Solar photovoltaic photo-thermal composite heat collection device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4322737A (en) * 1979-11-20 1982-03-30 Intel Corporation Integrated circuit micropackaging
CN2717020Y (en) * 2004-06-04 2005-08-10 李荣裕 Heat exchanger for cooling facility of water-cooled computer CPU
CN101022718A (en) * 2007-03-23 2007-08-22 北京工业大学 Groove-type flat-plate heat pipe soaking device
CN201616447U (en) * 2009-12-25 2010-10-27 通威太阳能有限公司 Solar electricity-heating integrated component

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4322737A (en) * 1979-11-20 1982-03-30 Intel Corporation Integrated circuit micropackaging
CN2717020Y (en) * 2004-06-04 2005-08-10 李荣裕 Heat exchanger for cooling facility of water-cooled computer CPU
CN101022718A (en) * 2007-03-23 2007-08-22 北京工业大学 Groove-type flat-plate heat pipe soaking device
CN201616447U (en) * 2009-12-25 2010-10-27 通威太阳能有限公司 Solar electricity-heating integrated component

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