CN109888035A - A kind of photovoltaic and photothermal watt - Google Patents

A kind of photovoltaic and photothermal watt Download PDF

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Publication number
CN109888035A
CN109888035A CN201910197082.6A CN201910197082A CN109888035A CN 109888035 A CN109888035 A CN 109888035A CN 201910197082 A CN201910197082 A CN 201910197082A CN 109888035 A CN109888035 A CN 109888035A
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CN
China
Prior art keywords
photovoltaic
photothermal
substrate
piece
solar panel
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CN201910197082.6A
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CN109888035B (en
Inventor
桂江虹
康健强
胡胜水
桂裕鹏
王益锋
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Flextech Co
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Flextech Co
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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
    • 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 kind of photovoltaic and photothermals watt, it is related to solar energy equipment technology.It includes muti-piece battery pack, and muti-piece battery group pattern rearranges solar panel, and solar panel passes through multiple diodes and wiring cassette in series;Every piece of battery pack includes successively from top to bottom preceding film layer, the first EVA layer, battery layers, the second EVA layer, backboard and substrate, and wherein substrate is made of substrate coating and hollow body, and heat transfer medium is wherein arranged in hollow body.The present invention is used for the photovoltaic power generation equipment of building roof.

Description

A kind of photovoltaic and photothermal watt
Technical field
The invention belongs to technical field of solar, and in particular to a kind of photovoltaic and photothermal watt.
Background technique
Photovoltaic Building Integration (Building Integrated PV, BIPV), i.e., photovoltaic module is both functional material, i.e., Power generation, and be building element.Compared to the additional installation (Building Applied PV, BAPV) of photovoltaic building, BIPV is in cost Etc. have many advantages.For the most area in China, developing Photovoltaic Building Integration is to make putting down for photovoltaic power generation This most probable approach suitable with fossil energy cost of electricity-generating, even lower of quasi- chemical conversion.But the current BIPV application in China is only light About the 3% of volt power generation total installed capacity amount, a large amount of Roof Resources are idle, and development potentiality is big.Interfere the main of BIPV large-scale application Obstacle is from reliable, the reasonable technical combinations of shortage and product form.
Photovoltaic tile is mounted in the photovoltaic apparatus on roof being used to convert solar energy into electrical energy, and is a kind of common cleaning Energy device.Current photovoltaic module is lower to the utilization rate of solar radiant energy, while the every raising one of temperature of solar battery Degree, output power reduce by 0.3 to 0.5%.
Summary of the invention
To solve the problems, such as that existing photovoltaic module radiation energy utilization rate is lower and influences output power;The present invention provides one Kind photovoltaic and photothermal watt.
A kind of photovoltaic and photothermal watt of the invention, it includes muti-piece battery pack, and muti-piece battery group pattern rearranges solar panel, Solar panel passes through multiple diodes and wiring cassette in series;
Every piece of battery pack from top to bottom successively includes preceding film layer, the first EVA layer, battery layers, the second EVA layer, backboard and base Material, wherein substrate is made of ontology or substrate coating and ontology, and ontology is hollow structure and inside is equipped with heat transfer medium;
Adjacent two pieces of solar panels are detachably connected by press strip, and the both ends of every piece of solar panel are respectively provided with end seal item, every block of electricity Pond plate is detachably connected with corresponding end seal item by bolt, can by bolt assembly and connection strap between two neighboring end seal item Dismantling connection,
One is made by main body and right angle bending structure in end seal item, and wherein the longitudinal cross-section of main body is convex shape, quarter bend The fixing end of folded structure connect with main body along the length direction of main body and one is made, and the free end of right angle bending acts against solar panel Cephacoria upper surface, the side wall of end seal item and the end of solar panel fit closely.
Preceding film layer is ETFE film layer, PVDF fluorinated polymer film layer, FEP fluorinated polymer film layer or glassy layer.
Battery layers are solar cell layer.
Backboard is from top to bottom successively made of upper bonding plane, middle plate and lower adhesive surface, wherein upper bonding plane is the poly- fluorine second of PVF Alkene film, middle plate are PET polyethylene terephthalate film, and lower adhesive surface is PVDF polyvinylidene fluoride film.
The material of the ontology of substrate is 3004 Al-Mg-Mn alloys, and substrate coating is PVDF polyvinylidene fluoride film.
The bolt assembly includes fastening bolt, gasket, gasket seal, and one end of fastening bolt sequentially passes through gasket, close Gasket, press strip, the gap of two end seal items and connection strap, the purlin of building are fixedly connected with connection strap.
The bolt assembly includes fastening bolt, gasket, gasket seal, and one end of fastening bolt sequentially passes through gasket, close Gasket, press strip, the gap of two end seal items and connection strap, the purlin of building are fixedly connected with connection strap.
Bottom face, that is, substrate of every piece of solar panel is provided with locating slot along its length, and substrate bottom is equipped with multiple screw thread methods It is blue.
Bottom face, that is, substrate of every piece of solar panel is provided with locating slot along its length, and substrate bottom is equipped with multiple screw thread methods It is blue.
Press strip is provided with two glue-filling slots along its length.
Compared with prior art, the invention has the benefit that
1, solar battery absorption solar radiation energy is very efficient, but its energy that can be used to generate electricity only account for 20% Left and right, remaining person is then thermal energy;The heat transfer medium of the hollow body setting of substrate can collect thermal energy, and the thermal energy of collection is available, Hollow structure plays heat-insulated, rainfall and makes an uproar effect;
2, the heat transfer medium of the hollow body of substrate of the present invention reduces between cell piece operating temperature and component cell piece Temperature difference increases generated energy, improves power output;Temperature difference between same component cell piece also results in additional mismatch damage It loses.So reducing the operating temperature of photovoltaic module, temperature difference can improve its power output between reducing component cell piece.
3, the present invention had both been power generator or had been building element, and structure is simple and reduces reinforcing and installation cost, appearance It is easy to maintain.
4, because of power loss antipollution, the automatically cleaning of due to use usually between 5%~23% caused by the dust accumulation of surface ETFE cephacoria can effectively reduce power loss caused by the dust of surface and frequency of maintenance and maintenance cost.
5, the main application scenarios of the present invention are Photovoltaic Building Integration, and in such cases, the ventilation of photovoltaic module dissipates Heat condition is usually worse, radiates then even more important.This programme is by reducing component temperature, using water as medium, summer average specific pair Than the high conversion efficiency about 2% of component.It is very efficient that solar battery absorbs solar radiant energy, but it can be for can generate electricity Energy only accounts for 20% or so, and remaining person is then thermal energy, so the throwing using this partial heat energy to photovoltaic module integral system is shortened It is highly beneficial for providing payoff period.22% or so, total photovoltaic and photothermal efficiency exists the generating efficiency of the photovoltaic module of this programme 65% or so.The indoor heat transfer medium of the hollow cavity of substrate is water, optional air.
In large public building or cold district or the applications such as need further to heat water, optional tetrafluoroethane, Propylene glycol etc. as a heat transfer medium, and configures heat exchange, heating system.
Heat transfer medium can reduce component temperature, increase generated energy;And collection heat is available, also functions to heat-insulated, rainfall and makes an uproar Effect;
Heat transfer medium is automatically controlled by opto-thermal system;Or when heat transfer medium is air, optional forced convertion or free convection Heat dissipation, while still there is heat-insulated, rainfall to make an uproar effect;Optionally, hollow substrate is not used, backing material plate longitudinal direction rib of slab is conducive to nature Heat loss through convection.It, can economization structure, reinforcing and installation cost because being both power generator and building element;It is easy to maintain.
Detailed description of the invention
Detailed description will be given by the following detailed implementation and drawings by the present invention for ease of explanation,.
Fig. 1 is overall structure diagram of the invention;
Fig. 2 is circuit diagram of the invention;
Fig. 3 is adjacent two pieces of solar panel connection schematic diagrams;
Fig. 4 is the cross-sectional view of Fig. 3;
Fig. 5 is the rearview of monoblock battery plate in Fig. 3;
Fig. 6 is the main view of end seal item;
Fig. 7 is the side view of Fig. 6;
Fig. 8 is press strip sectional view;
Fig. 9 is the cross-sectional view of Fig. 4;
Figure 10 is the Q point cross-sectional view of Fig. 9;
Figure 11 application scenario diagram.
Specific embodiment
In order to make the objectives, technical solutions and advantages of the present invention clearer, below by shown in the accompanying drawings specific Embodiment describes the present invention.However, it should be understood that these descriptions are merely illustrative, and it is not intended to limit model of the invention It encloses.In addition, in the following description, descriptions of well-known structures and technologies are omitted, it is of the invention to avoid unnecessarily obscuring Concept.
Here, it should also be noted that, in order to avoid having obscured the present invention because of unnecessary details, in the accompanying drawings only Show with closely related structure and/or processing step according to the solution of the present invention, and be omitted little with relationship of the present invention Other details.
As shown in Figure 1 to 11, present embodiment uses following technical scheme: it includes muti-piece battery pack 1, muti-piece 1 array of battery pack rearranges solar panel 3, and solar panel 3 is connected by multiple diodes with terminal box 2;
Every piece of battery pack 1 from top to bottom successively include preceding film layer 11, the first EVA layer 12, battery layers 13, the second EVA layer 14, Backboard 15 and substrate 16, wherein substrate 16 is made of ontology 162 or substrate coating 161 and ontology 162, and ontology 162 is hollow knot Structure and internal it is equipped with heat transfer medium;Heat transfer medium is water, is automatically controlled by opto-thermal system;Or working as heat transfer medium is air, it is optional Forced convertion or Natural Heat Convection, while still there is heat-insulated, rainfall to make an uproar effect;Ontology 162 is equipped with to be passed in and out for heat transfer medium Interface A;
Adjacent two pieces of solar panels 3 are detachably connected by press strip 4, and the both ends of every piece of solar panel 3 are respectively provided with end seal item 5, often Block solar panel 3 is detachably connected with corresponding end seal item 5 by bolt 14, passes through bolt assembly between two neighboring end seal item 5 And connection strap 6 is detachably connected,
One is made by main body 51 and right angle bending structure 52 in end seal item 5, and wherein the longitudinal cross-section of main body 51 is convex shape, The fixing end of right angle bending structure 52 connect with main body 51 along the length direction of main body 51 and one is made, right angle bending structure 52 Free end acts against the upper surface of the cephacoria of solar panel 3, and the end of the side wall and solar panel 3 of end seal item 5 fits closely, quarter bend The groove that folded structure 52 is formed is glue-filling slot.
Further, preceding film layer 11 is ETFE film layer, PVDF fluorinated polymer film layer, FEP fluorinated polymer film layer or glass Glass layer.The inner surface (i.e. with EVA bonding plane) of film layer changes through " cephacoria single-side low temperature plasma chemical processing technique " before polymer Property, i.e., before progress " low-temperature plasma chemical treatment ", the one side of ETFE is covered with " release film ", it again will be from after processing Type film stripping.The oxygen-containing group that inner surface after processing introduces becomes the polar surfaces of high-ratio surface energy, in guaranteeing Surface and EVA have enough adhesive strengths, improve component weatherability, reliability.At the same time, retain the low specific surface of outer surface Can, that is, its self-cleaning performance (water contact angle >=100 °) is kept, power loss caused by the dust of surface is reduced.Outer surface " is subtracted Reflective textures " process reduces light reflection, total light transmittance >=95%.It is optional: the fluorinated polymers such as PVDF, FEP or photovoltaic Glass;
Power loss is even higher usually between 5%-23%.Due to the antipollution of use, automatically cleaning cephacoria, can have Effect reduces power loss and frequency of maintenance and maintenance cost caused by the dust of surface.
Further, battery layers 13 are solar cell layer;
Further, backboard 15 is from top to bottom successively made of upper bonding plane 151, middle plate 152 and lower adhesive surface 153, In upper bonding plane 151 be PVF pvf film, middle plate is PET polyethylene terephthalate film, and lower adhesive surface 153 is PVDF polyvinylidene fluoride film.
Further, the material of the hollow body 162 of substrate is 3004 Al-Mg-Mn alloys, and substrate coating 161 is poly- for PVDF Vinylidene fluoride film.
Further, the bolt assembly includes fastening bolt 7, gasket 8, gasket seal 9, one end of fastening bolt 7 according to It is secondary to pass through gasket 8, gasket seal 9, sealing strip 13, the gap of 4, two end seal items 5 of press strip and connection strap 6, the purlin of building 11 are fixedly connected with connection strap 6.The purlin 11 of building is connect with 6 lateral connection of connection strap or longitudinal sealing.
Further, bottom face, that is, substrate of every piece of solar panel 3 is provided with locating slot 31 along its length, and substrate bottom is equipped with Multiple screwed flanges 12.
Further, press strip 4 is provided with two glue-filling slots 41 along its length.
Referring to Figure 11, the present invention, which can both add to be installed on, roofing, also can be used as building element, i.e. photovoltaic building one Change application;It can be applied to plane or facade installation.

Claims (10)

1. a kind of photovoltaic and photothermal watt, it is characterised in that: it includes muti-piece battery pack, and muti-piece battery group pattern rearranges battery Plate, solar panel pass through multiple diodes and wiring cassette in series;
Every piece of battery pack from top to bottom successively include preceding film layer, the first EVA layer, battery layers, the second EVA layer, backboard and substrate, Middle substrate is made of ontology or substrate coating and ontology, and ontology is hollow structure and inside is equipped with heat transfer medium;
Adjacent two pieces of solar panels are detachably connected by press strip, and the both ends of every piece of solar panel are respectively provided with end seal item, every piece of solar panel It is detachably connected with corresponding end seal item by bolt, it is detachable by bolt assembly and connection strap between two neighboring end seal item Connection,
One is made by main body and right angle bending structure in end seal item, and wherein the longitudinal cross-section of main body is convex shape, right angle bending knot The fixing end of structure connect with main body along the length direction of main body and one is made, before the free end of right angle bending acts against solar panel The upper surface of film, the side wall of end seal item and the end of solar panel fit closely.
2. a kind of photovoltaic and photothermal watt according to claim 1, it is characterised in that: preceding film layer is ETFE film layer, PVDF fluorination Polymer film, FEP fluorinated polymer film layer or glassy layer.
3. a kind of photovoltaic and photothermal watt according to claim 1 or 2, it is characterised in that: battery layers are solar cell layer.
4. a kind of photovoltaic and photothermal watt according to claim 3, it is characterised in that: backboard is from top to bottom successively by upper bonding Face, middle plate and lower adhesive surface are constituted, wherein upper bonding plane is PVF pvf film, middle plate is PET polyethylene terephthalate Ester film, lower adhesive surface are PVDF polyvinylidene fluoride film.
5. a kind of photovoltaic and photothermal watt according to claim 3, it is characterised in that: the material of the ontology of substrate is 3004 magnaliums Manganese alloy, substrate coating are PVDF polyvinylidene fluoride film.
6. a kind of photovoltaic and photothermal watt according to claim 1, it is characterised in that: the bolt assembly include fastening bolt, Gasket, gasket seal, one end of fastening bolt sequentially pass through gasket, gasket seal, press strip, the gap of two end seal items and connection The purlin of item, building is fixedly connected with connection strap.
7. a kind of photovoltaic and photothermal watt according to claim 5, it is characterised in that: the bolt assembly include fastening bolt, Gasket, gasket seal, one end of fastening bolt sequentially pass through gasket, gasket seal, press strip, the gap of two end seal items and connection The purlin of item, building is fixedly connected with connection strap.
8. a kind of photovoltaic and photothermal watt according to claim 6, it is characterised in that: the bottom face of every piece of solar panel, that is, substrate edge Length direction is provided with locating slot, and substrate bottom is equipped with multiple screwed flanges.
9. a kind of photovoltaic and photothermal watt according to claim 7, it is characterised in that: the bottom face of every piece of solar panel, that is, substrate edge Length direction is provided with locating slot, and substrate bottom is equipped with multiple screwed flanges.
10. a kind of photovoltaic and photothermal watt according to claim 8, it is characterised in that: press strip is provided with two fillings along its length Glue groove.
CN201910197082.6A 2019-03-15 2019-03-15 Photovoltaic photo-thermal tile Active CN109888035B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910197082.6A CN109888035B (en) 2019-03-15 2019-03-15 Photovoltaic photo-thermal tile

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Application Number Priority Date Filing Date Title
CN201910197082.6A CN109888035B (en) 2019-03-15 2019-03-15 Photovoltaic photo-thermal tile

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CN109888035A true CN109888035A (en) 2019-06-14
CN109888035B CN109888035B (en) 2020-10-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113437171A (en) * 2021-06-24 2021-09-24 武汉美格科技股份有限公司 Photovoltaic tile easy to install and preparation method thereof

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CN201845787U (en) * 2010-09-30 2011-05-25 杭州帷盛太阳能科技有限公司 Solar photovoltaic system with embedded connecting structure
CN203654630U (en) * 2014-01-09 2014-06-18 尚越光电科技有限公司 Photovoltaic tile for being integrated with roof building
US9796153B1 (en) * 2009-10-02 2017-10-24 Metacomb, Inc. Translucent building material comprising corrugated cardboard
CN207484839U (en) * 2017-11-21 2018-06-12 张家港协鑫集成科技有限公司 A kind of photovoltaic tiles component
CN207835387U (en) * 2018-02-11 2018-09-07 北京神州兰德科技发展有限公司 A kind of photo-thermal/photoelectricity roofing tile
CN207968384U (en) * 2017-08-04 2018-10-12 北京汉能光伏投资有限公司 Photovoltaic tile system and photovoltaic building roof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9796153B1 (en) * 2009-10-02 2017-10-24 Metacomb, Inc. Translucent building material comprising corrugated cardboard
CN201845787U (en) * 2010-09-30 2011-05-25 杭州帷盛太阳能科技有限公司 Solar photovoltaic system with embedded connecting structure
CN203654630U (en) * 2014-01-09 2014-06-18 尚越光电科技有限公司 Photovoltaic tile for being integrated with roof building
CN207968384U (en) * 2017-08-04 2018-10-12 北京汉能光伏投资有限公司 Photovoltaic tile system and photovoltaic building roof
CN207484839U (en) * 2017-11-21 2018-06-12 张家港协鑫集成科技有限公司 A kind of photovoltaic tiles component
CN207835387U (en) * 2018-02-11 2018-09-07 北京神州兰德科技发展有限公司 A kind of photo-thermal/photoelectricity roofing tile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113437171A (en) * 2021-06-24 2021-09-24 武汉美格科技股份有限公司 Photovoltaic tile easy to install and preparation method thereof

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Denomination of invention: Photovoltaic photothermal tile

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Denomination of invention: A photovoltaic thermal tile

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