CN105553408A - Solar-photovoltaic-thermal integration module with directly compounded heat-absorbing board and glass cover board - Google Patents

Solar-photovoltaic-thermal integration module with directly compounded heat-absorbing board and glass cover board Download PDF

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Publication number
CN105553408A
CN105553408A CN201610109081.8A CN201610109081A CN105553408A CN 105553408 A CN105553408 A CN 105553408A CN 201610109081 A CN201610109081 A CN 201610109081A CN 105553408 A CN105553408 A CN 105553408A
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heat
plate
photovoltaic
absorbing
light
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CN105553408B (en
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罗成龙
徐礼颉
孙李媛
熊继海
范敏
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ENERGY RESEARCH INSTITUTE OF JIANGXI ACADEMY OF SCIENCES
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ENERGY RESEARCH INSTITUTE OF JIANGXI ACADEMY OF SCIENCES
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-RED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S30/00Structural details of PV modules other than those related to light conversion
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H01L31/00Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/052Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells
    • H01L31/0521Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells using a gaseous or a liquid coolant, e.g. air flow ventilation, water circulation
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-RED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • 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 discloses a solar-photovoltaic-thermal integration module with directly compounded heat-absorbing board and glass cover board. The solar-photovoltaic-thermal integration module comprises a solar-photovoltaic-thermal integration structure body and an insulation backboard, wherein a heat-absorbing metal board and a cooling pipe form a heat-absorbing board core; the cooling pipe is connected with the heat-absorbing metal board, and is applied to a flowing heat-conducting liquid; the glass cover board is laminated on the top surface of the heat-absorbing board core; an EVA adhesive, a photovoltaic cell, the EVA adhesive, a transparent backboard and a heat-conducting adhesive are sequentially arranged between the glass cover board and the heat-absorbing board core; and the insulation backboard is arranged at the bottom surface of the heat-absorbing board core. The sunlight can only transmit the photovoltaic cell through a primary transparent cover board material under the condition of realizing dual effects of solar photovoltaic utilization and thermal utilization; primary transmission loss of the sunlight received by the photovoltaic cell is reduced; and the photoelectric property of the module is strengthened. According to the solar-photovoltaic-thermal integration module, the cleanness problem of the module is simplified; use is facilitated; the photoelectric properties and the thermal property of the module are also ensured for a long period of time; and the solar-photovoltaic-thermal integration module is compact in structure, simple to operate and easy to be accepted by a user.

Description

A kind of absorber plate directly and the photovoltaic and photothermal solar integrated module of glass cover-plate compound
Technical field
The invention belongs to photovoltaic and photothermal solar comprehensive utilization device technical field, be specifically related to a kind of absorber plate directly and the photovoltaic and photothermal solar integrated module of cover plate compound.
Technical background
In recent years, China's economic scale and energy resource consumption increase all fast, but efficiency of energy utilization also rests on reduced levels.Solar energy, because its renewable and environment amenable advantage, is important fossil energy substitute.Photovoltaic (PV) technology is the solar energy generation technology that application is the most general at present, but applies along with increasing PV system drops into, and problems wherein also display.First, for photovoltaic cell, project the solar energy on photovoltaic cell surface, generally can change into electric energy less than 20%, and energy more than 80% or reflected or be converted into heat energy, battery temperature is raised, photoelectric conversion efficiency is caused to decline---for silion cell, working temperature often raises 1 DEG C, and photoelectric conversion efficiency declines 3 ~ 5 ‰, and this part heat fails effectively to utilize.In addition, less economical is affect another important problem that PV system applies.Therefore, a kind of new method of photovoltaic and photothermal solar comprehensive utilization is arisen at the historic moment, namely photovoltaic cell working temperature is reduced to improve photoelectric efficiency by reaching the air-cooled of photovoltaic module or water-cooled design, obtain hot water or hot-air simultaneously, by design photovoltaic and photothermal solar integrated module, realize the object of photovoltaic and photothermal solar comprehensive utilization.But current photovoltaic and photothermal solar integrated module technology, be mostly based on traditional plate solar collector and design, although the effect obtaining photovoltaic and photothermal solar comprehensive utilization sacrifices the problem of solar energy electrical property.Its glass cover-plate of tradition plate solar collector is separated with absorber plate, when causing carrying out the design of photovoltaic and photothermal solar integrated module, the photovoltaic cell be laminated on absorber plate also needs to cover layer of transparent cover plate materials, causes sunlight actual needs just can be projeced into photovoltaic cell surface through twice transmission.The transmitance of current transparent cover plate material is about 90%, and only this transmission process increased, will cause photovoltaic cell photoelectric efficiency to decline about 10%.In addition, because photovoltaic cell is separated with glass cover-plate, the transparent cover plate on photovoltaic cell surface is actual is be in block cavity, is difficult to clean easily, the transmissivity of transparent cover plate to sunlight can be had a strong impact on, and then again reduce the photoelectric properties of photovoltaic cell.
Summary of the invention
The technical problem to be solved in the present invention is to provide the photovoltaic and photothermal solar integrated module of a kind of absorber plate and glass cover-plate direct combination.Photovoltaic cell is first laminated on solar absorber plate by the present invention, then contact laminating cover glass cover plate, absorber plate, photovoltaic cell and glass cover-plate is combined into and is integrated, last with insulation backboard be incubated housing and be sealed to integrally.The present invention is under the double effects realizing solar energy photovoltaic utilization and solar thermal utilization, sunlight can be made merely through a transparent cover plate material transmission on photovoltaic cell, and clean the becoming on the transparent cover plate surface of module photovoltaic cell is carried out module glass cover-plate outer surface, thus decrease the transmission loss of sunlight, enhance the photoelectric properties of module and the stable of long-term behaviour thereof, also make the use of module easier simultaneously.
The present invention solves the problems of the technologies described above by the following technical programs,
A photovoltaic and photothermal solar integrated module for absorber plate and glass cover-plate direct combination, comprises photoelectric and light-heat integration structure and insulation backboard, it is characterized in that,
Described photoelectric and light-heat integration structure comprises glass cover-plate, photovoltaic cell, EVA glue and transparent back panel, heat conduction viscose glue, heat-absorbing metal plate and cooling line;
Both described heat-absorbing metal plate and cooling line are configured to heat-absorbing plate core together, and described cooling line is connected with heat-absorbing metal plate, and described cooling line is for the heat-conducting fluid that flows;
Described glass cover-plate is laminated to the end face of heat-absorbing plate core, sets gradually EVA glue, photovoltaic cell, EVA glue, transparent back panel and heat conduction viscose glue between the two;
Described insulation backboard is arranged at the bottom surface of the heat-absorbing plate core of photoelectric and light-heat integration structure.
As optimization, described cooling line comprises metallic sheath and metal collector; Described metallic sheath is welded in the back side of heat-absorbing metal plate, and its both ends open is connected on two metal collectors; Described two metal collectors connect cold water inlet and hot water outlet pipe respectively;
As preferably, described cooling line is coil, is welded in the back side of heat-absorbing metal plate, and the two ends of described coil connect cold water inlet and hot water outlet pipe respectively;
As preferably, described cooling line 3 is located at the inside of heat-absorbing metal plate;
As optimization, described insulation backboard is U-shaped structure, and described photoelectric and light-heat integration structure is fixed on the two ends sidewall that described insulation backboard is U-shaped structure;
As optimization, described heat-absorbing metal plate is the metal aluminum sheet of surface coverage coating for selective absorption;
As optimization, described heat-conducting fluid is water, gas or conduction oil.
The present invention designs by adopting the photovoltaic and photothermal solar integrated module of absorber plate and glass cover-plate direct combination, overcome one of deficiency of the photovoltaic and photothermal solar integrated module technology that current absorber plate is separated with glass cover-plate, under the double effects realizing solar energy photovoltaic utilization and solar thermal utilization, sunlight can be made merely through a transparent cover plate material transmission on photovoltaic cell, decrease the transmission loss that photovoltaic cell receives sunlight, enhance the photoelectric properties of module.When carrying out clean to the present invention, only need the outer surface cleaning its glass cover-plate can ensure its photoelectric properties and light thermal property.And the photovoltaic and photothermal solar integrated module technology that absorber plate is separated with glass cover-plate, because its photovoltaic cell is separated with glass cover-plate, the transparent cover plate on photovoltaic cell surface is actual is be in block cavity, be difficult to clean easily, therefore, there are photoelectric properties and be difficult to long-term keep good problem in it.The present invention's design simplifies the cleaning problems of module, facilitates use, also ensure that photoelectricity and the light thermal property of module for a long time.Compact conformation of the present invention, simple to operate, susceptible to user acceptance.
Accompanying drawing explanation
Fig. 1 is cross-sectional structure schematic diagram of the present invention;
Fig. 2 is close-up schematic view of the present invention;
Fig. 3 is schematic appearance of the present invention.
Embodiment
Implementation process of the present invention is described in detail below in conjunction with drawings and Examples.
A photovoltaic and photothermal solar integrated module for absorber plate and glass cover-plate direct combination, comprises photoelectric and light-heat integration structure 11 and insulation backboard 1,
As depicted in figs. 1 and 2, described photoelectric and light-heat integration structure 11 comprises glass cover-plate 10, photovoltaic cell 8, EVA glue 7,9 and transparent back panel 6, heat conduction viscose glue 5, heat-absorbing metal plate 4 and cooling line 3,
Both described heat-absorbing metal plate 4 and cooling line 3 are configured to heat-absorbing plate core together, and described heat-absorbing metal plate 4 is the metal aluminum sheet of surface coverage coating for selective absorption; Described cooling line 3 is connected with heat-absorbing metal plate 4, and described cooling line 3 is for the heat-conducting fluid that flows; Described heat-conducting fluid is water, gas or conduction oil;
As preferably, described cooling line 3 comprises metallic sheath 31 and metal collector 32; Described metallic sheath 31 is welded in the back side of heat-absorbing metal plate 4, and its both ends open is connected on two metal collectors 32; Described two metal collectors 32 connect cold fluid inlet pipe respectively and hot fluid goes out pipe;
As preferably, described cooling line 3 is coil, is welded in the back side of heat-absorbing metal plate 4, and the two ends of described coil connect cold fluid inlet pipe respectively and hot fluid goes out pipe;
As preferably, described cooling line 3 is located at the inside of heat-absorbing metal plate 4; Increase the contact area with heat-absorbing metal plate 4, increase endothermic effect;
Described glass cover-plate 10 is laminated to the end face of heat-absorbing plate core, sets gradually EVA glue 9, photovoltaic cell 8, EVA glue 7, transparent back panel 6 and heat conduction viscose glue 5 between the two;
Described insulation backboard is arranged at the bottom surface of the heat-absorbing plate core of photoelectric and light-heat integration structure; Described insulation backboard is U-shaped structure, and described photoelectric and light-heat integration structure is fixed on the two side that described insulation backboard is U-shaped structure; Insulation backboard plays support and insulation effect, and together closing with photoelectric and light-heat integration structure becomes a cavity, becomes a kind of photovoltaic and photothermal solar integrated module, and the glass cover-plate covered on photovoltaic cells is also the outward appearance glass cover-plate of integral module.
The present invention has considered solar photoelectric light-heat comprehensive utilization, reduced the transmission loss of solar light irradiation on photovoltaic cell and has simplified the aspect factors such as photovoltaic cell transparent cover plate cleaning problems, have devised the photovoltaic and photothermal solar integrated module of a kind of absorber plate and glass cover-plate direct combination.The present invention is by rational model structural design, make module under the prerequisite realizing photovoltaic and photothermal solar comprehensive utilization, sunlight can be made merely through a transparent cover plate material transmission on photovoltaic cell, and clean the becoming on the transparent cover plate surface of module photovoltaic cell is carried out module glass cover-plate outer surface, the transmission loss of sunlight is decreased from two importances, enhance photoelectric properties and the stability of module, also make the use of module easier simultaneously.
Working method of the present invention is: sunlight irradiates on photovoltaic cell through glass cover-plate, portion of energy is converted into electric power and becomes solar energy photovoltaic utilization, the solar energy of unconverted partial power is converted into the heat energy absorbed by heat-absorbing metal plate with irradiating together with the solar energy on the heat-absorbing metal plate of non-clad battery panel region, the water flowed in this part energy heats cooling line or other cooling working mediums and form solar energy heat utilization, therefore, see on the whole, this module just can realize the photovoltaic and photothermal comprehensive utilization of solar energy.And it should be noted that when module needs to carry out clean, only need the outer surface cleaning its glass cover-plate can ensure its photoelectric properties and light thermal property.
Especially, glass cover-plate of the present invention is the transparent cover plate of photovoltaic cell, also be the transparent cover plate of module whole framework simultaneously, decrease the projected path that sunlight arrives photovoltaic cell surface, make clean the becoming on the transparent cover plate surface of photovoltaic cell carry out module glass cover-plate outer surface simultaneously, decrease the transmission loss of sunlight from two importances, enhance the photoelectric properties of module and the stable of long-term behaviour thereof, also make the use of module easier simultaneously.
In addition, the cavity that insulation backboard is together closed with photoelectric and light-heat integration structure, both can absorb solar thermal energy provides heat energy for metallic sheath, can, as incubation cavity, avoid metallic sheath to dispel the heat too fast again.

Claims (7)

1. a photovoltaic and photothermal solar integrated module for absorber plate and glass cover-plate direct combination, comprises photoelectric and light-heat integration structure and insulation backboard, it is characterized in that,
Described photoelectric and light-heat integration structure comprises glass cover-plate, photovoltaic cell, EVA glue and transparent back panel, heat conduction viscose glue, heat-absorbing metal plate and cooling line;
Both described heat-absorbing metal plate and cooling line are configured to heat-absorbing plate core together, and described cooling line is connected with heat-absorbing metal plate, and described cooling line is for the heat-conducting fluid that flows;
Described glass cover-plate is laminated to the end face of heat-absorbing plate core, sets gradually EVA glue, photovoltaic cell, EVA glue, transparent back panel and heat conduction viscose glue between the two;
Described insulation backboard is arranged at the bottom surface of the heat-absorbing plate core of photoelectric and light-heat integration structure.
2. light-heat integration module as claimed in claim 1, it is characterized in that, described cooling line comprises metallic sheath and metal collector; Described metallic sheath is welded in the back side of heat-absorbing metal plate, and its both ends open is connected on two metal collectors; Described two metal collectors connect cold fluid inlet pipe respectively and hot fluid goes out pipe.
3. light-heat integration module as claimed in claim 1, it is characterized in that, described cooling line is coil, is welded in the back side of heat-absorbing metal plate, and the two ends of described coil connect cold fluid inlet pipe respectively and hot fluid goes out pipe.
4. light-heat integration module as claimed in claim 1, it is characterized in that, described cooling line 3 is located at the inside of heat-absorbing metal plate.
5. light-heat integration module as claimed in claim 1, it is characterized in that, described insulation backboard is U-shaped structure, and described photoelectric and light-heat integration structure is fixed on the two ends sidewall that described insulation backboard is U-shaped structure.
6. light-heat integration module as claimed in claim 1, it is characterized in that, described heat-absorbing metal plate is the metal aluminum sheet of surface coverage coating for selective absorption.
7. light-heat integration module as claimed in claim 1, it is characterized in that, described heat-conducting fluid is water, gas or conduction oil.
CN201610109081.8A 2016-02-29 2016-02-29 A kind of absorber plate photovoltaic and photothermal solar integrated module compound directly with glass cover-plate Active CN105553408B (en)

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Cited By (5)

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CN107070398A (en) * 2017-05-31 2017-08-18 安徽沃兰朵电源技术有限公司 One kind is based on current heat absorption circulating solar energy cell panel
CN108321236A (en) * 2018-05-11 2018-07-24 上海电力学院 A kind of photo-thermal photovoltaic panel
CN108768293A (en) * 2018-04-08 2018-11-06 上海理工大学 A kind of plate photovoltaic and photothermal integral composite solar heat collector of optically focused
CN111006400A (en) * 2019-12-18 2020-04-14 吴祥初 Solar photovoltaic photo-thermal collector
WO2021203574A1 (en) * 2020-04-07 2021-10-14 江西省科学院能源研究所 Flat-plate photovoltaic water heating assembly and manufacturing process method therefor

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CN203942493U (en) * 2014-07-10 2014-11-12 宁波贝达新能源科技有限公司 A kind of photovoltaic and photothermal assembly
CN205407710U (en) * 2016-02-29 2016-07-27 江西省科学院能源研究所 Solar photovoltaic light and heat integration module that absorber plate is direct and glass apron is compound

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CN101552301A (en) * 2009-05-12 2009-10-07 丁建东 Solar cell subassembly with heat elimination fin
CN101867325A (en) * 2010-06-08 2010-10-20 孙国锋 Cooling device of solar photovoltaic generation system
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107070398A (en) * 2017-05-31 2017-08-18 安徽沃兰朵电源技术有限公司 One kind is based on current heat absorption circulating solar energy cell panel
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CN108321236A (en) * 2018-05-11 2018-07-24 上海电力学院 A kind of photo-thermal photovoltaic panel
CN111006400A (en) * 2019-12-18 2020-04-14 吴祥初 Solar photovoltaic photo-thermal collector
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WO2021203574A1 (en) * 2020-04-07 2021-10-14 江西省科学院能源研究所 Flat-plate photovoltaic water heating assembly and manufacturing process method therefor

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