CN208400857U - A kind of laminar structure and stacked wafer moudle of stacked wafer moudle - Google Patents

A kind of laminar structure and stacked wafer moudle of stacked wafer moudle Download PDF

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Publication number
CN208400857U
CN208400857U CN201721084344.0U CN201721084344U CN208400857U CN 208400857 U CN208400857 U CN 208400857U CN 201721084344 U CN201721084344 U CN 201721084344U CN 208400857 U CN208400857 U CN 208400857U
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China
Prior art keywords
stacked wafer
laminar structure
wafer moudle
utility
acrylic resin
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CN201721084344.0U
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Inventor
施正荣
龙国柱
刘皎彦
练成荣
王伟力
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Shangmai (Zhenjiang) New Energy Technology Co., Ltd.
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Amperex Technology Ltd (shanghai)
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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

Abstract

The utility model discloses a kind of laminar structure of stacked wafer moudle and stacked wafer moudles, the laminar structure includes encapsulated layer and lamination solar battery string, by including that the raw material of fiber cloth and hybrid thermosetting powdery paints is prepared, the hybrid thermosetting powdery paints is uniformly coated in the fiber cloth encapsulated layer；Wherein, the raw material of the hybrid thermosetting powdery paints includes acrylic resin, acrylic resin curing agent, polyester resin and polyester resin solidifying agent；The fiber cloth is made of fibrous material weaving；The utility model can be effectively ensured stacked wafer moudle include hot and humid environment, outdoor strong ultraviolet lighting or harsher wind conditions, with the service life under the severe installation environment such as high mechanical erection requirement environment.

Description

A kind of laminar structure and stacked wafer moudle of stacked wafer moudle
Technical field
The utility model belongs to photovoltaic art, and in particular to a kind of laminar structure of stacked wafer moudle, the utility model also relate to And the stacked wafer moudle of the application laminar structure.
Background technique
In current social, energy contradiction is increasingly highlighted with environmental problem, and developing all kinds of clean energy resourcies is inexorable trend.Closely Nian Lai, photovoltaic industry is fast-developing, and technology innovation is gradually accelerated, the development of photovoltaic industry forward direction product diversification at present, highly reliable Property, high power, low installation cost various functional units research and development have become photovoltaic module development a kind of direction.
Luminous energy is directly translated into electric energy by solar cell by solar energy power generating.In the past ten years, photovoltaic electric Pond whole world total output average more than 40% annual growth to increase, until the whole world photovoltaic generating system installed capacity of the end of the year 2012 is Up to 100GW.It is expected that photovoltaic power generation accounts for the 10% of world energy sources supply in the year two thousand thirty, to the energy resource supply and energy resource structure in the world Make substantive contribution.
The encapsulating material used as photovoltaic art, it is desirable that it has the performances such as uvioresistant, anti-aging, as shown in Figure 1, existing The laminar structure (being generally also laminate) of typical photovoltaic module is by successively by ultrawhite tempering pattern glass 21, first Made of EVA film 22, solar battery string 23, the second EVA film 24 and the overlapping lamination of backboard 25, in which: the embossing of ultrawhite tempering The density of glass reaches 2.5g/cm3, and its usual thickness is 3.2mm, thus the tempered glass glass weight per square meter is up to 8Kg, the usual quality of photovoltaic module being assembled by the photovoltaic module laminar structure is larger, every square metre of weight reach 10Kg with On, which installs support construction again, and the weight of every square metre of photovoltaic module is at least up to 12Kg or more, when it is applied In the occasions such as top of building or metope, higher requirement is proposed to the support construction of photovoltaic module, increases engineering construction Difficulty and the cost of installation, specific manifestation are as follows: in top of building or metope installation process, there are weight weights, install labor Fatigue resistance is big, performance difficulty；Especially there are some occasions due to the limitation of building bearing load, is leading to not that photovoltaic group is installed Part.Meanwhile existing photovoltaic component encapsulating constructional appearance is single, is less susceptible to change to adapt to the beautiful requirements etc. of different buildings Disadvantage.
There are some technical solutions to propose to attempt by change encapsulating material to solve the problems, such as that photovoltaic module is light-weighted at present, Tempered glass is substituted using high light transmission film, transparent back panel, but in actual application, since these high light transmission are thin Film, transparent back panel are mostly only with the glue films such as EVA, POE, the so photovoltaic module after encapsulation, in the performances such as shock resistance, fire prevention It is unable to satisfy photovoltaic industry technical standard.
There are also technical solutions to disclose the weight for reducing photovoltaic module, in Publication No. CN102516852A State's utility model patent discloses a kind of weather-proof, high thermal conductivity coating and the solar energy backboard that radiates, but its coating is in production process In to use a large amount of solvents, environmental pollution is very big, does not meet environmentally protective standard.For another example Publication No. CN102610680A Chinese utility model patent discloses the solar cell backboard that a kind of UV solidifies weathering resistance coatings, but its liquid coating for using Technique is more complex, and bad rate is higher, and equipment investment is big.For another example Publication No. CN102712184A, CN103346182A, It has been all made of in a series of Chinese utility model patents such as CN102969382B, CN101290950B, CN103958196A fluorine-containing Polymer, but fluoropolymer is expensive, increases production cost, moreover, is only merely disclosed in above-mentioned patent Photovoltaic back material, opaque, hardness is low, rigidity is weaker, is not suitable for substituting existing tempered glass.
It is the Chinese patent of Publication No. CN105637653A with the immediate prior art of the utility model, the patent is public Opened a kind of photovoltaic panel and the method for manufacturing the photovoltaic panel, it is specific use based on the acrylate containing epoxy group and The plastics reinforced with glass fibre use it as the face smooth surface of solar battery string and the encapsulating material of shady face, though this method So solves the problems, such as photovoltaic module laminar structure encapsulating material weight weight, but it is all made using expensive acrylate It is not only at high cost for encapsulating material, but also cause the color of photovoltaic module single, there is also the laminations in lamination process for the technology Temperature is high, and energy consumption is high, and obtained photovoltaic module laminar structure is bent, has certain radian, and out-of-flatness is unfavorable for photovoltaic module Installation implement, and influence appearance looks elegant.
At the same time, stacked wafer moudle interlinks laminated batteries in closer mode, and the gap between battery is enabled to drop to Minimum, even edge is slightly overlapped, therefore more batteries can be laid in same unit area, and extinction area increases, defeated Power improves a lot out.In addition, stacked wafer moudle hardly needs welding, opposite saves welding cost, also improves Aesthetics.
Therefore, there is an urgent need to seek method to solve encapsulating material weight present in existing photovoltaic module laminar structure Problem heavy, at high cost and laminating technology is cumbersome and lamination is bad, while meeting uvioresistant again, anti-aging, shock resistance, preventing The requirement of the photovoltaic industries technical standards such as fiery, anti-insulation, and increase the output power of component again, promote aesthetics.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of laminar structure of stacked wafer moudle, it is not only at low cost, and It is effectively real and under the premise of meeting the laminations Technical specifications requirements such as uvioresistant, anti-aging, shock resistance, fire prevention, anti-insulation The lightweight for solving stacked wafer moudle encapsulating material is showed, has improved the Discussing Convenience of installation, has reduced installation cost, be highly suitable for light Volt field scale promotes and applies.
Before introducing the technical solution of the utility model it is necessary to illustrate with the immediate prior art of the application and Background context:
The applicant is used for photovoltaic group based in the professional knowledge of accumulation and a large number of experiments discovery for many years of photovoltaic encapsulation field It is low that encapsulating material in part laminar structure does not need only to have light weight and cost, it is also necessary to have meet uvioresistant, it is anti-aging, The requirement of the photovoltaic industries technical standard such as shock resistance, fire prevention, while the installation also needed convenient for subsequent photovoltaic module, and Publication No. Although the Chinese patent of CN105637653A discloses the modeling for using the acrylate containing epoxy group and being reinforced with glass fibre Material is used as encapsulating material, but acrylate is expensive, directly results in the increase of photovoltaic module cost, this is that photovoltaic industry can not Receive；Further, the laminating technology of the patent is used is laminated under 150-200 DEG C and certain pressure, causes to obtain The bending of photovoltaic module laminar structure, have a certain radian, out-of-flatness, the installation for being unfavorable for photovoltaic module is implemented, and influences appearance It is beautiful；The patent is using the acrylate powder for containing epoxy group to be applied on glass fibre simultaneously, in order to improve the two Between connection the uniformity of the powder application and apply density only with tempering process and not can guarantee, this is all to influence encapsulation Factor of the layer in the performances such as uvioresistant, anti-aging, shock resistance, fire prevention, anti-insulation.
In addition, the applicant association request people propose earlier application CN201610685536.0 and The utility model patent of CN201610685240.9 is individually disclosed based on acrylic acid powder coatings and the painting of super-weatherable polyether powder Photovoltaic module encapsulating material made of expecting, finds with promoting the use of, based on photovoltaic module made of acrylic acid powder coatings With the higher cost of encapsulating material, and the stability under hot and humid environment is poor, and has high machine to photovoltaic module Not excellent enough the service life that may shorten photovoltaic module is showed in mechanical performance when tool installation requirement；And based on extra-weather-proof Photovoltaic module made of polyester powder coating with encapsulating material installation environment is severe outdoors when weather-proof sex expression it is poor, and Showing in mechanical performance when there is high mechanical erection to require photovoltaic module not excellent enough may shorten photovoltaic module Service life.
Based on use above situation, the application wishes to find a kind of based on more excellent performance of photovoltaic module package material Laminar structure made of expecting, it is including hot and humid environment, outdoor strong ultraviolet lighting or high wind that photovoltaic module, which can be effectively ensured, Environment requires service life under the severe installation environment such as environment with high mechanical erection.Applicant surprisingly has found to work as third When the powdery paints that olefin(e) acid powdery paints and polyester powder coating are mixed to get is coated in fiber cloth, available can be mentioned significantly High encapsulating material, for this purpose, the technical solution adopted in the utility model is as follows:
A kind of laminar structure of stacked wafer moudle, the laminar structure include encapsulated layer and lamination solar battery string, It is characterized in that, encapsulated layer described at least part includes base and Thermosetting acryl powder coating-thermosetting polyester powder Coating mixed layer, the Thermosetting acryl powder coating-thermosetting polyester powdery paints mixed layer are set to the base Side.
Preferably, the base is scrim cloth, and the scrim cloth is made of fibrous material weaving.
Preferably, hybrid thermosetting powdery paints is coated in the base and the encapsulated layer is made, it is described The raw material of hybrid thermosetting powdery paints include acrylic resin, acrylic resin curing agent, polyester resin and polyester Two or more mixing in resin curing agent.
Preferably, in order to further enhance weatherability, the laminar structure includes fluorine plastic film layer, the fluorine modeling Material film layer is located at the top of the encapsulated layer.
Preferably, toughness protection is provided in order to give lamination solar battery string, the laminar structure includes packaging plastic Film layer, the packaging plastic film layer are arranged between the encapsulated layer and lamination solar battery string；It is further preferred that this The packaging plastic film layer that patent is related to can be made of EVA, POE or PVB material, and certain those skilled in the art can also be real Border situation uses other suitable packaging adhesive film materials.
It should be noted that the EVA occurred in this patent text refers to ethylene-vinyl acetate copolymer, it is by ethylene (E) It is copolymerized and is made, English name with vinyl acetate (VA) are as follows: Ethylene Vinyl Acetate, referred to as EVA；This patent text The POE occurred in this refers to that polyolefin elastomer, English name are Polyolefin Elastomer, abbreviation POE；This patent text The PVB occurred in this refers to that polyvinyl butyral, English name are Polyvinyl Butyral, abbreviation PVB.
Preferably, it is penetrated to increase the insulation performance of stacked wafer moudle and reduce steam, the laminar structure includes back Plate layer, the backsheet layer are located at the lower section of the encapsulated layer.
Preferably, the weight per unit area range of the fiber cloth is 30-400g/m2, the hybrid thermosetting It is 70-400g/m that powdery paints, which is coated in the weight per unit area range in the fiber cloth,2。
Preferably, the fibrous material is any one or a few in glass fibre, carbon fiber and aramid fiber Combination；It is highly preferred that the fibrous material is glass fibre.
Preferably, the filament diameter range of the fibrous material is 3-23 μm.
Preferably, the fiber cloth is by fibrous material using any in plain weave, twill, satin weave, rib-loop or basket The combination of a kind of weaving mode or several weaving modes is made；It is highly preferred that the fiber cloth is by fibrous material using oblique Line is made.
Preferably, the fiber cloth and the weight ratio range of the hybrid thermosetting powdery paints are 20- 60 parts: 40-80 part；It is highly preferred that the weight ratio model of the fiber cloth and the hybrid thermosetting powdery paints Enclose is 30-50 parts: 50-70 part.
Preferably, the weight per unit area range of the fiber cloth is 30-400g/m2, the hybrid thermosetting It is 70-400g/m that powdery paints, which is coated in the weight per unit area range in the fiber cloth,2。
Preferably, in the hybrid thermosetting powdery paints, the weight of the acrylic resin and polyester resin Measuring part proportional region is 30-70 parts: 70-30 part.
Preferably, in the hybrid thermosetting powdery paints, the weight of the acrylic resin and polyester resin Measuring part proportional region is 40-60 parts: 60-40 part.
Preferably, the gel time range of the hybrid thermosetting powdery paints is 50-1000s, and inclined plate flows model It encloses for 10-40cm, softening point temperature range is 80-120 DEG C.
Preferably, the acrylic resin curing agent and the polyester resin be not identical.
Preferably, the polyester resin solidifying agent and the acrylic resin be not identical.
Preferably, the acrylic resin curing agent is carboxyl polyester resin, hydroxy polyester resin, the contracting of isocyanuric acid three Water glyceride, trimellitic acid three-glycidyl ester, terephthalic acid diglycidyl ester, hydroxyalkyl amide, isocyanates, closing Type polyisocyanates, urea diketone, phthalic anhydride, trimellitic anhydride, decanedioic acid, heneicosanedioic acid, dodecanedioic acid, 13 Docosandioic acid, tetracosandioic acid, pentacosandioic acid, hexadecandioic acid (hexadecane diacid), dicyandiamide, sebacic dihydrazide hydrogen, diaminodiphenylsulfone, four Methyl glycoluril, amino resins, any one or a few mixing arbitrarily matched in hydrogenated epoxy.
Preferably, the polyester resin solidifying agent is GMA acrylic resin, triglycidyl isocyanurate, inclined benzene Three sour three-glycidyl esters, terephthalic acid diglycidyl ester, hydroxyalkyl amide, isocyanates, blocked polyisocyanate, Urea diketone, phthalic anhydride, trimellitic anhydride, diaminodiphenylsulfone, tetramethyl glycoluril, amino resins, in hydrogenated epoxy Any one or a few mixing arbitrarily matched.
Preferably, the acrylic resin is by GMA acrylic resin, Hydroxylated acrylic resin or carboxy acrylic One or more of resin or bifunctional acrylic's mixes.
Preferably, the acrylic resin be by acrylic acid, methyl acrylate, ethyl acrylate, n-butyl acrylate, Isobutyl acrylate, hydroxypropyl acrylate, glycidyl acrylate, methacrylic acid, methyl methacrylate, metering system Acetoacetic ester, n-BMA, Isobutyl methacrylate, hydroxy propyl methacrylate, methyl propenoic acid glycidyl One or more of ester, styrene, acrylonitrile monomer polymerization forms.
Preferably, the acrylic resin is GMA acrylic resin, ranges of indices of refraction 1.40-1.50, epoxide equivalent Range is 300-800g/eq, and glass temperature range is 40-70 DEG C, range of viscosities 75-600Pas, softening point temperature model Enclose is 100-120 DEG C.
Preferably, the acrylic resin is Hydroxylated acrylic resin, ranges of indices of refraction 1.40-1.50, hydroxyl value model It encloses for 15-70mgKOH/g, glass temperature range is 40-70 DEG C, range of viscosities 75-600Pas, softening point temperature range It is 100-120 DEG C.
Preferably, the acrylic resin is carboxyl acrylic resin, ranges of indices of refraction 1.40-1.50, acid value model It encloses for 15-85mgKOH/g, glass temperature range is 40-70 DEG C, range of viscosities 75-600Pas, softening point temperature range It is 100-120 DEG C.
Preferably, the polyester resin is by one or both of hydroxy polyester resin or carboxyl polyester resin It mixes.
Preferably, the polyester resin is by ethylene glycol, propylene glycol, neopentyl glycol, 2- methyl propanediol, 1,6- two One of alcohol, terephthalic acid (TPA), M-phthalic acid, adipic acid, decanedioic acid, phthalic anhydride, trimellitic anhydride are several Kind monomer polymerization forms.
Preferably, the polyester resin is hydroxy polyester resin, and hydroxyl value range is 30-300mgKOH/g, vitrifying temperature Spending range is 50-75 DEG C, range of viscosities 15-200Pas.
Preferably, the polyester resin is carboxyl polyester resin, acid value 15-85mgKOH/g, glass transition temperature Range is 50-75 DEG C, range of viscosities 15-200Pas.
Preferably, the weight ratio range of the acrylic resin and acrylic resin curing agent is 95-75 parts: 5- 25 parts.
Preferably, the weight ratio range of the polyester resin and polyester resin solidifying agent is 98-80 parts: 2-20 Part.
Preferably, the gel time range of the acrylic acid powder coatings is 100-600s, and inclined plate flow range is 15- 35cm, softening point temperature range are 100-110 DEG C.
Preferably, the gel time range of the polyester powder coating is 150-800s, and inclined plate flow range is 10- 25cm, softening point temperature range are 100-110 DEG C.
Preferably, the hybrid thermosetting powdery paints further includes auxiliary agent；It is highly preferred that the auxiliary agent parts by weight The 0.1-40% of the hybrid thermosetting powdery paints parts by weight is accounted for, the auxiliary agent is polyamide wax, polyolefin-wax, acyl Amine be modified phenol carbamide surfactant, benzene idol mattress, dimethyl silicone polymer, vinyl trichlorosilane, ne-butyltriethoxysilaneand, Methyl orthosilicate, monoalkoxy pyrophosphate, acrylics, phenolic resin, Lauxite, melamine resin, two Stearoyl ethylenediamine, the mixture of ethylene oxide and propylene oxide, hindered phenol, thio-2 acid dibasic acid esters, benzophenone, salicylate Derivative, hindered amine, aluminium oxide, fumed silica, tetrabromobisphenol A, decabromodiphenylethane, tricresyl phosphate, hydroxide Aluminium, magnesium hydroxide, barium sulfate, titanium dioxide, any one or a few mixing arbitrarily matched in carbon black.
The utility model additionally provides a kind of stacked wafer moudle, including laminar structure, connector and terminal box, passes through connector Realize the electrical connection of laminar structure and terminal box, wherein the stacked wafer moudle includes the layer of stacked wafer moudle as described above Laminated structure.
Preferably, the connector includes crimp type terminal and heat-shrinkable T bush, the cable positioned at the connector both ends The line card access crimp type terminal, the heat-shrinkable T bush surround crimp type terminal.
It should be noted that the GMA that the utility model full text is related to refers to glycidyl methacrylate class.
The utility model is by proposing using by acrylic resin, acrylic resin curing agent, polyester resin and polyester Hybrid thermosetting powdery paints is made in resin curing agent, then by the hybrid thermosetting powdery paints and is coated uniformly on As the encapsulation layer material of stacked wafer moudle laminar structure in fiber cloth, meeting the light such as uvioresistant, anti-aging, shock resistance, fire prevention Lie prostrate under the premise of Technical specifications require, effectively realize the lightweight for solving stacked wafer moudle encapsulating material, and manufacture at This is low, substitutes the tempered glass of conventional package formula, provides certain rigidity to protect laminated batteries, such as to stacked wafer moudle This, is not only able to mitigate the weight of stacked wafer moudle significantly, is consequently adapted to the installation of the lamination power generation product of more occasions, but also Labor intensity when product installation and the Discussing Convenience of raising installation can be reduced, reduces being mounted to for stacked wafer moudle on the whole This；Importantly, experiment proves that, encapsulated layer provided by the utility model effectively avoid or reduces steam and penetrates from outside Inside stacked wafer moudle, the wetting of hydrothermal stability strong, in encapsulation layer material hybrid thermosetting powdery paints and fiber cloth Property it is good, and it is good with the adhesive force of fiber cloth, and the overall mechanical properties of the utility model encapsulated layer are excellent, while also having excellent Weatherability and translucency, the stacked wafer moudle that can be effectively ensured using the utility model is including hot and humid environment, open air Strong ultraviolet lighting or harsher wind conditions require service life under the severe installation environment such as environment, while this with high mechanical erection Utility model is at low cost, and preparation process is simple, is especially advantageous for large-scale promotion and practices.
The utility model also passes through coating unit and hybrid thermosetting powdery paints is uniformly coated in fiber cloth, then Make hybrid thermosetting powdery paints and the fiber cloth pre-bonded by pressurized, heated, suitable dimension is made in last step cut Stacked wafer moudle encapsulated layer, be so able to achieve stacked wafer moudle laminar structure package dimension it is any change to adapt to different buildings Installation requirement, further be convenient for stacked wafer moudle installation application.
Detailed description of the invention
Attached drawing 1 is the laminar structure schematic diagram of existing typical photovoltaic module；
Attached drawing 2 is the laminar structure schematic diagram of 1 stacked wafer moudle of the utility model embodiment；
Attached drawing 3 is the laminar structure schematic diagram of 2 stacked wafer moudle of the utility model embodiment；
Attached drawing 4 is the laminar structure schematic diagram of 3 stacked wafer moudle of the utility model embodiment；
Attached drawing 5 is the laminar structure schematic diagram of 4 stacked wafer moudle of the utility model embodiment；
Attached drawing 6 is the laminar structure schematic diagram of 5 stacked wafer moudle of the utility model embodiment；
Attached drawing 7 is the laminar structure schematic diagram of 6 stacked wafer moudle of the utility model embodiment；
Attached drawing 8 is the laminar structure schematic diagram of 7 stacked wafer moudle of the utility model embodiment；
Attached drawing 9 is the laminar structure schematic diagram of 8 stacked wafer moudle of the utility model embodiment；
Attached drawing 10 is the lamination process structural arrangement schematic diagram of the laminar structure of stacked wafer moudle shown in attached drawing 8；
Attached drawing 11 is the structural schematic diagram of the connector of stacked wafer moudle under specific embodiment of the present invention；
Attached drawing 12 is the laminar structure schematic diagram of 9 stacked wafer moudle of the utility model embodiment；
Attached drawing 13 is the laminar structure schematic diagram of 10 stacked wafer moudle of the utility model embodiment.
Specific embodiment
The utility model embodiment discloses a kind of laminar structure of stacked wafer moudle, and the laminar structure includes encapsulated layer With lamination solar battery string, the encapsulated layer by including the raw material preparation of fiber cloth and hybrid thermosetting powdery paints and At the hybrid thermosetting powdery paints is uniformly coated in the fiber cloth；Wherein, the hybrid thermosetting The raw material of property powdery paints includes acrylic resin, acrylic resin curing agent, polyester resin and polyester resin solidifying agent；Institute The fiber cloth stated is made of fibrous material weaving.
The utility model embodiment also discloses a kind of stacked wafer moudle, including laminar structure, connector and terminal box, passes through The electrical connection of connector realization laminar structure and terminal box, wherein stacked wafer moudle includes the layer of stacked wafer moudle as described above Laminated structure, middle conventional photovoltaic module uses standard quickly electrical jointing compared with the existing technology, at high cost, and this reality It can make to be electrically connected with company's machine construction of new embodiment reliable and low in cost.
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments recorded in the utility model, for those of ordinary skill in the art, is not making the creative labor Under the premise of, it is also possible to obtain other drawings based on these drawings.
Embodiment 1:
It is shown in Figure 2, a kind of laminar structure of stacked wafer moudle, laminar structure include the first encapsulated layer 11a, lamination too Positive energy battery strings 13a and the second encapsulated layer 14a, wherein
Preferably, in order to further enhance weatherability, laminar structure includes fluorine plastic film layer, and fluorine plastic film layer is located at The top of first encapsulated layer.Preferably, toughness protection is provided in order to give lamination solar battery string, laminar structure includes encapsulation Adhesive film, packaging plastic film layer can be provided separately between the first encapsulated layer and lamination solar battery string or lamination solar-electricity Between pond string and the second encapsulated layer, it can also be arranged in simultaneously between the first encapsulated layer and lamination solar battery string with lamination too Between positive energy battery strings and the second encapsulated layer.It is further preferred that the packaging plastic film layer that this patent is related to can use EVA, POE Or PVB material is made, certain those skilled in the art can also use other suitable packaging adhesive film materials with actual conditions.It is excellent Selection of land penetrates to increase the insulation performance of stacked wafer moudle and reduce steam, and laminar structure includes backsheet layer, the backsheet layer Positioned at the lower section of the second encapsulated layer.
Therefore, in conjunction with upper section content, those skilled in the art can select specific stacked wafer moudle according to actual needs Laminar structure other kinds of material layer can also be set of course, as long as the core technology using the utility model is special Sign, these all fall within the protection scope of the present invention.It is excellent that following embodiments of the utility model only list part Select the embodiment of the laminar structure of stacked wafer moudle.
Specifically, in the present embodiment, shown in Figure 2, laminar structure further includes the first packaging plastic film layer 12a, First packaging plastic film layer 12a is between the first encapsulated layer 11a and lamination solar battery string 13a.It is further preferred that first Packaging plastic film layer 12a is made of EVA material.
Preferably, in the present embodiment, the first encapsulated layer and the second encapsulated layer use identical raw material, specifically include down State raw material:
Fiber cloth, fiber cloth are made of fibrous material weaving；
Hybrid thermosetting powdery paints, the raw material of hybrid thermosetting powdery paints include acrylic resin, acrylic acid Resin curing agent, polyester resin and polyester resin solidifying agent；Wherein, hybrid thermosetting powdery paints is uniformly coated on fibre On Wei Bu.
Preferably, in the utility model embodiment, the weight ratio of fiber cloth and hybrid thermosetting powdery paints Range is 20-60 parts: 40-80 part；It is highly preferred that in the utility model embodiment, fiber cloth and hybrid thermosetting powder The weight ratio range of coating is 30-50 parts: 50-70 part；Particularly preferably, in the present embodiment, fiber cloth with mix The weight ratio of type thermosetting powder coating is 30 parts: 70 parts.Detected through the utility model embodiment, when fiber cloth with mix When the weight ratio of type thermosetting powder coating is not in the utility model embodiment preferred scope, specifically, work as fiber cloth When weight ratio with hybrid thermosetting powdery paints is 15 parts: 85 parts, mechanical strength is obviously deteriorated, and when fiber cloth and mixes When the weight ratio of mould assembly thermosetting powder coating is 85 parts: 15 parts, weatherability is obviously deteriorated, or even is unable to satisfy lamination mark Alignment request, but also learnt through the verifying, when using the utility model embodiment, fiber cloth and hybrid thermosetting powdery paints The suitable range of weight ratio is than the applicant earlier application CN201610685536.0 and CN201610685240.9 It is suitble to range to improve the selectable range of raw material extensively, the utility model implements that explanation is no longer unfolded one by one.
Preferably, in the utility model embodiment, hybrid thermosetting powdery paints is coated in the unit in fiber cloth Area weight range is 70-400g/m2, specifically, in the present embodiment, hybrid thermosetting powdery paints is coated in fiber Weight per unit area on cloth is 100g/m2。
Preferably, in the utility model embodiment, the weight per unit area range of fiber cloth is 30-400g/m2, true It protects under the intensity of fiber cloth, guarantees the lightweight of fiber cloth, specifically, in the present embodiment, the unit area weight of fiber cloth Amount is 100g/m2；
Preferably, in the utility model embodiment, fiber cloth is by fibrous material using plain weave, twill, satin weave, rib-loop Or the combination of any one weaving mode or several weaving modes in basket is made, it is highly preferred that in the present embodiment, it is fine Wei Bu is made of fibrous material of twill weave mode, because fiber cloth cloth cover is smooth made of twill weave mode, more Be conducive to the infiltration of hybrid thermosetting powdery paints, and fiber cloth translucent effect is good and has better support strength；Certainly Ground, those skilled in the art can select other well known weaving modes according to actual needs；
Preferably, in the utility model embodiment, fibrous material is appointing in glass fibre, carbon fiber and aramid fiber The combination for one or more of anticipating, to ensure that fiber cloth with good insulation and weatherability, meets the requirement of lamination relevant criterion, It is highly preferred that in the present embodiment, fibrous material is glass fibre, this is because glass fibre itself translucency is good, cost Low and from a wealth of sources, preparation and combination process are mature.Of course, those skilled in the art can select according to actual needs Explanation is no longer unfolded in other kinds of fibrous material, the utility model embodiment one by one.
For the ease of the weaving of fibrous material and convenient for obtaining the weight per unit area of required fiber cloth, preferably Ground, in the utility model embodiment, the filament diameter range of fibrous material is 3-23 μm, particularly preferably, in this embodiment party In formula, the filament diameter of fibrous material is 3 μm；In the utility model other embodiments, those skilled in the art can be with Filament diameter range is selected according to actual needs, and explanation is no longer unfolded in the utility model embodiment one by one.
In order to facilitate the hybrid thermosetting powdery paints melted during the preparation process preferably wetting fibre material, have Effect guarantees the connection effect being thermally bonded between hybrid thermosetting powdery paints and fiber cloth, it is preferable that in the utility model reality It applies in example, the gel time range of hybrid thermosetting powdery paints is 50-1000s, and inclined plate flow range is 10-40cm, soft Changing point temperature range is 80-120 DEG C；It is further preferred that hybrid thermosetting powder applies in the utility model embodiment The gel time range of material is 100-800s, and inclined plate flow range is 10-35cm, and softening point temperature range is 100-110 DEG C.
In order to ensure acrylic resin has good translucency, insulation and weatherability, meet the requirement of lamination relevant criterion, Preferably, in the utility model embodiment, the ranges of indices of refraction of acrylic resin is 1.40-1.50, glass temperature range It is 40-70 DEG C, range of viscosities 75-600Pas, softening point temperature range is 100-120 DEG C.
Preferably, in the utility model embodiment, acrylic resin is by GMA acrylic resin, hydroxy acrylic acid tree One or more of rouge or carboxyl acrylic resin or bifunctional acrylic's mixes.Specifically, exist In the utility model embodiment, bifunctional acrylic can be the acrylic acid including hydroxy functional group and carboxyl functional group Resin is also possible to include other kinds of functional group.
Preferably, in the utility model embodiment, acrylic resin is by acrylic acid, methyl acrylate, acrylic acid second Ester, n-butyl acrylate, isobutyl acrylate, hydroxypropyl acrylate, glycidyl acrylate, methacrylic acid, methyl-prop E pioic acid methyl ester, ethyl methacrylate, n-BMA, Isobutyl methacrylate, hydroxy propyl methacrylate, first One or more of base glycidyl acrylate, styrene, acrylonitrile monomer polymerization forms, of course, the skill of this field Art personnel can select other monomers to polymerize the acrylic resin that the utility model embodiment is made according to actual needs.
In order to improve translucency, insulation and the weatherability of acrylic resin, it is further preferred that real in the utility model one It applies in mode, acrylic resin is GMA acrylic resin, and ranges of indices of refraction 1.40-1.50, epoxide equivalent range is 300- 800g/eq, glass temperature range are 40-70 DEG C, range of viscosities 75-600Pas, and softening point temperature range is 100-120 ℃；It is further preferred that the ranges of indices of refraction of GMA acrylic resin is 1.42-1.48 in the utility model embodiment, Epoxide equivalent range is 450-700g/eq, and glass temperature range is 45-60 DEG C, range of viscosities 150-400Pas, softening Point temperature range is 105-110 DEG C.
In order to improve translucency, insulation and the weatherability of acrylic resin, it is further preferred that another in the utility model In embodiment, acrylic resin is Hydroxylated acrylic resin, and ranges of indices of refraction 1.40-1.50, hydroxyl value range is 15- 70mgKOH/g, glass temperature range are 40-70 DEG C, range of viscosities 75-600Pas, and softening point temperature range is 100- 120℃；It is further preferred that the ranges of indices of refraction of Hydroxylated acrylic resin is 1.42- in the utility model embodiment 1.48, hydroxyl value range is 30-50mgKOH/g, and glass temperature range is 45-60 DEG C, range of viscosities 150-400Pas, soft Changing point temperature range is 105-110 DEG C.
In order to improve translucency, insulation and the weatherability of acrylic resin, it is further preferred that another in the utility model In embodiment, acrylic resin is carboxyl acrylic resin, ranges of indices of refraction 1.40-1.50, acid value 15- 85mgKOH/g, glass temperature range are 40-70 DEG C, range of viscosities 75-600Pas, and softening point temperature range is 100- 120℃；It is further preferred that the ranges of indices of refraction of carboxyl acrylic resin is 1.42- in the utility model embodiment 1.48, acid value 30-60mgKOH/g, glass temperature range is 45-60 DEG C, range of viscosities 150-400Pas, soft Changing point temperature range is 105-110 DEG C.
In order to which the crosslinking curing effect of allyl resin is effectively ensured, it is preferable that in the utility model embodiment, acrylic acid Resin curing agent is carboxyl polyester resin, hydroxy polyester resin, triglycidyl isocyanurate, trimellitic acid three-glycidyl Ester, terephthalic acid diglycidyl ester, hydroxyalkyl amide, isocyanates, blocked polyisocyanate, urea diketone, adjacent benzene two Formic anhydride, trimellitic anhydride, decanedioic acid, heneicosanedioic acid, dodecanedioic acid, tridecandioic acid, tetracosandioic acid, pentadecane two Acid, hexadecandioic acid (hexadecane diacid), dicyandiamide, sebacic dihydrazide hydrogen, diaminodiphenylsulfone, tetramethyl glycoluril, amino resins, hydrogenated epoxy In any one or a few mixing arbitrarily matched.
In order to ensure polyester resin has good insulation and weatherability, meet the requirement of photovoltaic relevant criterion, it is preferable that In the utility model embodiment, polyester resin is by the mixed of one or both of hydroxy polyester resin or carboxyl polyester resin It closes.
Preferably, in the utility model embodiment, polyester resin is by ethylene glycol, propylene glycol, neopentyl glycol, 2- methyl Propylene glycol, 1,6- hexylene glycol, terephthalic acid (TPA), M-phthalic acid, adipic acid, decanedioic acid, phthalic anhydride, trimellitic acid One or more of acid anhydride monomer polymerization forms, and of course, those skilled in the art can select other according to actual needs The polyester resin of the utility model embodiment is made in monomer polymerization.
In order to improve the wet-hot aging performance and weather resistance of polyester resin, it is preferable that in one embodiment of the utility model In, polyester resin is hydroxy polyester resin, and hydroxyl value range is 30-300mgKOH/g, and glass temperature range is 50-75 DEG C, is glued Degree range is 15-200Pas；It is further preferred that in the utility model embodiment, the hydroxyl value model of hydroxy polyester resin It encloses for 30-100mgKOH/g, glass temperature range is 55-65 DEG C, range of viscosities 15-100Pas.
In order to improve the wet-hot aging performance and weather resistance of polyester resin, it is preferable that in another embodiment party of the utility model In formula, polyester resin is carboxyl polyester resin, and acid value 15-85mgKOH/g, glass temperature range is 50-75 DEG C, is glued Degree range is 15-200Pas.It is highly preferred that the acid value of carboxyl polyester resin is 30- in the utility model embodiment 60mgKOH/g, glass temperature range are 55-65 DEG C, range of viscosities 15-100Pas.
In order to which the crosslinking curing effect of polyester resin is effectively ensured, it is preferable that in the utility model embodiment, polyester tree Rouge curing agent is GMA acrylic resin, triglycidyl isocyanurate, trimellitic acid three-glycidyl ester, terephthalic acid (TPA) 2-glycidyl ester, hydroxyalkyl amide, isocyanates, blocked polyisocyanate, urea diketone, phthalic anhydride, inclined benzene three Acid anhydrides, diaminodiphenylsulfone, tetramethyl glycoluril, amino resins, any one or a few in hydrogenated epoxy arbitrarily match mixed It closes.
In order to which the crosslinking curing speed and quality of acrylic resin is effectively ensured, it is preferable that in the utility model embodiment In, the weight ratio range of acrylic resin and acrylic resin curing agent is 95-75 parts: 5-25 part；In order to be effectively ensured The crosslinking curing speed and quality of polyester resin, it is preferable that in the utility model embodiment, polyester resin and polyester resin are solid The weight ratio range of agent is 98-80 parts: 2-20 part；
In order to be further effectively ensured the utility model embodiment include hot and humid environment, outdoor strong ultraviolet lighting or Harsher wind conditions require the performance under the severe installation environment such as environment not to be affected as far as possible with high mechanical erection, it is preferable that In the utility model embodiment, in hybrid thermosetting powdery paints, the weight part ratio of acrylic resin and polyester resin Example range is 30-70 parts: 70-30 part；It is further preferred that in the utility model embodiment, in hybrid thermosetting powder In last coating, the weight ratio range of acrylic resin and polyester resin is 40-60 parts: 60-40 part.
It is further preferred that acrylic resin curing agent and polyester resin be not identical in the utility model embodiment； It is further preferred that polyester resin solidifying agent is not identical as acrylic resin in the utility model embodiment.
Of course, in other specific embodiments of the utility model, mixed type heat provided by the embodiment of the utility model The auxiliary agent (can add at the raw material premix stage) of constant weight number can also be added in solidity powdery paints, for further The transparency and/or weatherability and/or insulating properties and/or anti-flammability of raising hybrid thermosetting powdery paints improve other property It can or reduce cost；It is further preferred that auxiliary agent parts by weight account for the 0.1-40% of hybrid thermosetting powdery paints parts by weight, together When the actual demand that can also be installed according to stacked wafer moudle, the face of hybrid thermosetting powdery paints is adjusted by addition auxiliary agent Color is further conducive to the actual installation application of stacked wafer moudle.Auxiliary agent is polyamide wax, polyolefin-wax, amide modifications phenol urea surface Activating agent, benzene idol mattress, dimethyl silicone polymer, vinyl trichlorosilane, ne-butyltriethoxysilaneand, methyl orthosilicate, list Alkoxy pyrophosphate, acrylics, phenolic resin, Lauxite, melamine resin, ethylenedistearamide, The mixture of ethylene oxide and propylene oxide, thio-2 acid dibasic acid esters, benzophenone, salicylic acid ester derivative, is obstructed at hindered phenol Amine, aluminium oxide, fumed silica, tetrabromobisphenol A, decabromodiphenylethane, tricresyl phosphate, aluminium hydroxide, magnesium hydroxide, Barium sulfate, titanium dioxide, any one or a few mixing arbitrarily matched in carbon black.Of course, the utility model only lists Preferred assistant types, in other embodiments, those skilled in the art can select other types according to actual needs Auxiliary agent, the utility model embodiment no longer illustrates；It is further preferred that the utility model embodiment can also be according to folded The actual demand of piece component installation is specifically used to adjust hybrid thermosetting powdery paints as auxiliary agent by addition pigments and fillers Color is further conducive to the actual installation application of stacked wafer moudle, and specifically, auxiliary agent can use the pigments and fillers of form and aspect blue, It can also be using the pigments and fillers of take on a red color form and aspect or yellow form and aspect, naturally it is also possible to be realized using the pigments and fillers of mixing form and aspect colored Or the adjustment of special form and aspect.
Particularly preferably, in the present embodiment, acrylic resin is GMA acrylic resin, and ranges of indices of refraction is 1.42-1.48, epoxide equivalent range are 450-700g/eq, and glass temperature range is 45-60 DEG C, range of viscosities 150- 400Pas, softening point temperature range are 105-110 DEG C, and acrylic resin curing agent is dodecanedioic acid, wherein GMA propylene The weight ratio of acid resin and dodecanedioic acid is 85 parts: 15 parts；Polyester resin is carboxyl super-weatherable polyether resin, acid value For 50mgKOH/g, glass transition temperature is 60 DEG C, viscosity 80Pas, and polyester resin solidifying agent is isocyanuric acid three-glycidyl Ester, wherein the weight ratio of carboxyl super-weatherable polyether resin and triglycidyl isocyanurate is 95 parts: 5 parts；It is specific excellent Selection of land, in the present embodiment, the weight ratio of GMA acrylic resin and carboxyl super-weatherable polyether resin are 50 parts: 50 parts.
It should be strongly noted that those skilled in the art can basis in the utility model other embodiments Actual conditions select preferred other kinds of acrylic resin, polyester resin, the acrylic resin solidification of the present embodiment proposition Agent, polyester resin solidifying agent and fiber cloth, and other preferred acrylic acid trees that selection the utility model embodiment proposes Rouge and polyester resin weight ratio, the weight ratio of acrylic resin and acrylic resin curing agent, polyester resin and poly- The weight ratio and fiber cloth of ester resin curing agent and the weight ratio of hybrid thermosetting powdery paints, and selection Other of the utility model embodiment proposition are preferably thermally bonded moulding pressure, heating temperature and the heating time of process, adopt The embodiment combined with these optimal technical schemes can equally obtain and the first encapsulated layer of present embodiment and second Encapsulated layer is essentially identical or the unconspicuous technical effect of difference, these can be obtained with present embodiment is essentially identical or difference The embodiment of unconspicuous technical effect, it is believed that those skilled in the art can illustrate according to the utility model embodiment can be with It directly is combined to obtain, explanation is no longer unfolded in the utility model embodiment respectively one by one.
Preferably, the present embodiment also proposes a kind of stacked wafer moudle, including laminar structure, connector and terminal box, passes through company Connect the electrical connection that device realizes laminar structure and terminal box, wherein stacked wafer moudle includes the lamination of stacked wafer moudle as described above Structure.
Preferably, shown in Figure 11, in the present embodiment, connector includes crimp type terminal 72 and heat-shrinkable T bush 73, the cable 71,74 positioned at connector both ends is clamped into crimp type terminal 72, and heat-shrinkable T bush 73 surrounds crimp type terminal 72, makes to fold The electrical connection of piece component lamination structure is reliable and low in cost.
Embodiment 2:
Shown in Figure 3, in the present embodiment 2, laminar structure includes fluorine plastic film layer 11b, the first encapsulated layer 12b, the first packaging plastic film layer 13b, solar battery string 14b and the second encapsulated layer 15b, fluorine plastic film layer 11b are located at first Remaining technical solution of the top of encapsulated layer 12b, the present embodiment 2 is identical as above-described embodiment 1.
Embodiment 3:
Shown in Figure 4, in the present embodiment 3, laminar structure includes the first encapsulated layer 11c, the first packaging plastic film layer 12c, solar battery string 13c, the second encapsulated layer 14c and backsheet layer 15c, backsheet layer 15c are located under the second encapsulated layer 14c Side, remaining technical solution of the present embodiment 3 are identical as above-described embodiment 1.
Embodiment 4:
Shown in Figure 5, in the present embodiment 4, laminar structure includes the first encapsulated layer 11d, the first packaging plastic film layer 12d, solar battery string 13d, the second packaging plastic film layer 14d and the second encapsulated layer 15d, the second packaging plastic film layer 14d are positioned at too Between positive energy battery strings 13d and the second encapsulated layer 15d, remaining technical solution of the present embodiment 4 is identical as above-described embodiment 1.
Embodiment 5:
Shown in Figure 6, in the present embodiment 5, laminar structure includes fluorine plastic film layer 11e, the first encapsulated layer 12e, the first packaging plastic film layer 13e, solar battery string 14e, the second packaging plastic film layer 15e and the second encapsulated layer 16e, wherein Fluorine plastic film layer 11e is located at the top of the first encapsulated layer 12e, the second packaging plastic film layer 15e be located at solar battery string 14e and Between second encapsulated layer 16e, remaining technical solution of the present embodiment 5 is identical as above-described embodiment 1.
Embodiment 6:
Shown in Figure 7, in the present embodiment 6, laminar structure includes the first encapsulated layer 11f, the first packaging plastic film layer 12f, solar battery string 13f, the second packaging plastic film layer 14f, the second encapsulated layer 15f and backsheet layer 16f, wherein backsheet layer 16f Positioned at the lower section of the second encapsulated layer 15f, the second packaging plastic film layer 14f be located at solar battery string 13f and the second encapsulated layer 15f it Between, remaining technical solution of the present embodiment 6 is identical as above-described embodiment 1.
Embodiment 7:
It refers to shown in Fig. 8 and Figure 10, in the present embodiment 7, laminar structure includes fluorine plastic film layer 11g, the first envelope Fill layer 12g, the first packaging plastic film layer 13g, solar battery string 14g, the second packaging plastic film layer 15g, the second encapsulated layer 16g and back Plate layer 17g, wherein fluorine plastic film layer 11g is located at the top of the first encapsulated layer 12g, and backsheet layer 17g is located at the second encapsulated layer The lower section of 16g, the second packaging plastic film layer 15g are located between solar battery string 14g and the second encapsulated layer 16g, the present embodiment 7 Remaining technical solution is identical as above-described embodiment 1.
Embodiment 8:
Shown in Figure 9, in the present embodiment 8, laminar structure includes the first encapsulated layer 11h, solar battery string 12h With the second encapsulated layer 13h, wherein solar battery string 12h is between the first encapsulated layer 11h and the second encapsulated layer 13h, this reality Remaining technical solution for applying example 8 is identical as above-described embodiment 1.
Embodiment 9:
It is shown in Figure 12, in the present embodiment 9, laminar structure include encapsulated layer 11i, the first packaging plastic film layer 12i, Solar battery string 13i, the second packaging plastic film layer 14i and backsheet layer 15i, wherein backsheet layer 15i is located at the second packaging plastic film layer Remaining technical solution of the lower section of 14i, the present embodiment 9 is identical as above-described embodiment 1.
Embodiment 10:
Shown in Figure 13, in the present embodiment 10, laminar structure includes fluorine plastic film layer 11j, the first packaging plastic Film layer 12j, solar battery string 13j, the second packaging plastic film layer 14j and encapsulated layer 15j, wherein fluorine plastic film layer 11j is located at The top of first packaging plastic film layer 12j, encapsulated layer 15j are located at the lower section of the second packaging plastic film layer 14j, the present embodiment 10 remaining Technical solution is identical as above-described embodiment 1.
Embodiment 11: remaining technical solution of the present embodiment 11 is identical as above-described embodiment 1- embodiment 10, and difference only exists In in the present embodiment 11, acrylic resin curing agent is identical as polyester resin, and specifically, acrylic resin curing agent is carboxylic Base super-weatherable polyether resin.
Embodiment 12: remaining technical solution of the present embodiment 12 is identical as above-described embodiment 1- embodiment 10, and difference only exists In in the present embodiment 12, polyester resin solidifying agent is identical as acrylic resin, and specifically, polyester resin solidifying agent is GMA third Olefin(e) acid resin.
Embodiment 13: remaining technical solution of the present embodiment 13 is identical as above-described embodiment 1- embodiment 10, and difference only exists In in the present embodiment 13, acrylic resin curing agent is identical as polyester resin, polyester resin solidifying agent and acrylic resin phase Together, specifically, acrylic resin curing agent is carboxyl super-weatherable polyether resin, and polyester resin solidifying agent is GMA acrylic resin.
Embodiment 14: remaining technical solution of the present embodiment 14 is identical as above-described embodiment 1- embodiment 10, and difference only exists In in the present embodiment 14, the weight ratio of acrylic resin and polyester resin is 40 parts: 60 parts.
Embodiment 15: remaining technical solution of the present embodiment 15 is identical as above-described embodiment 1- embodiment 10, and difference only exists In in the present embodiment 15, the weight ratio of acrylic resin and polyester resin is 60 parts: 40 parts.
Embodiment 16: remaining technical solution of the present embodiment 16 is identical as above-described embodiment 1- embodiment 10, and difference only exists In in the present embodiment 16, the weight ratio of acrylic resin and polyester resin is 30 parts: 70 parts.
Embodiment 17: remaining technical solution of the present embodiment 17 is identical as above-described embodiment 1- embodiment 10, and difference only exists In in the present embodiment 17, the weight ratio of acrylic resin and polyester resin is 70 parts: 30 parts.
Implement 18: remaining technical solution of the present embodiment 18 is identical as above-described embodiment 1- embodiment 10, and difference is only that, In the present embodiment 18, the weight ratio of acrylic resin and polyester resin is 25 parts: 75 parts.
Embodiment 19: remaining technical solution of the present embodiment 19 is identical as above-described embodiment 1- embodiment 10, and difference only exists In in the present embodiment 19, the weight ratio of acrylic resin and polyester resin is 75 parts: 25 parts.
Embodiment 20: remaining technical solution of the present embodiment 20 is identical as above-described embodiment 1- embodiment 10, and difference only exists In in the present embodiment 20, the weight ratio of acrylic resin and polyester resin is 20 parts: 80 parts.
Embodiment 21: remaining technical solution of the present embodiment 21 is identical as above-described embodiment 1- embodiment 10, and difference only exists In in the present embodiment 21, the weight ratio of acrylic resin and polyester resin is 80 parts: 20 parts.
Embodiment 22: remaining technical solution of the present embodiment 22 is identical as above-described embodiment 1- embodiment 10, and difference only exists In in the present embodiment 22, the weight ratio of acrylic resin and polyester resin is 15 parts: 85 parts.
Embodiment 23: remaining technical solution of the present embodiment 23 is identical as above-described embodiment 1- embodiment 10, and difference only exists In in the present embodiment 23, the weight ratio of acrylic resin and polyester resin is 85 parts: 15 parts.
Embodiment 24: remaining technical solution of the present embodiment 24 is identical as above-described embodiment 1- embodiment 10, and difference only exists In in the present embodiment 24, the weight ratio of acrylic resin and polyester resin is 10 parts: 90 parts.
Embodiment 25: remaining technical solution of the present embodiment 25 is identical as above-described embodiment 1- embodiment 10, and difference only exists In in the present embodiment 25, the weight ratio of acrylic resin and polyester resin is 90 parts: 10 parts.
Embodiment 26: remaining technical solution of the present embodiment 26 is identical as above-described embodiment 1- embodiment 10, and difference only exists In in the present embodiment 26, the weight ratio of acrylic resin and polyester resin is 5 parts: 95 parts.
Embodiment 27: remaining technical solution of the present embodiment 27 is identical as above-described embodiment 1- embodiment 10, and difference only exists In in the present embodiment 27, the weight ratio of acrylic resin and polyester resin is 95 parts: 5 parts.
Embodiment 28: remaining technical solution of the present embodiment 28 is identical as above-described embodiment 11, and difference is only that, in this reality It applies in example 28, the weight ratio of acrylic resin and polyester resin is 40 parts: 60 parts.
Embodiment 29: remaining technical solution of the present embodiment 29 is identical as above-described embodiment 11, and difference is only that, in this reality It applies in example 29, the weight ratio of acrylic resin and polyester resin is 60 parts: 40 parts.
Embodiment 30: remaining technical solution of the present embodiment 30 is identical as above-described embodiment 11, and difference is only that, in this reality It applies in example 30, the weight ratio of acrylic resin and polyester resin is 30 parts: 70 parts.
Embodiment 31: remaining technical solution of the present embodiment 31 is identical as above-described embodiment 11, and difference is only that, in this reality It applies in example 31, the weight ratio of acrylic resin and polyester resin is 70 parts: 30 parts.
Embodiment 32: remaining technical solution of the present embodiment 32 is identical as above-described embodiment 11, and difference is only that, in this reality It applies in example 32, the weight ratio of acrylic resin and polyester resin is 25 parts: 75 parts.
Embodiment 33: remaining technical solution of the present embodiment 33 is identical as above-described embodiment 11, and difference is only that, in this reality It applies in example 33, the weight ratio of acrylic resin and polyester resin is 75 parts: 25 parts.
Embodiment 34: remaining technical solution of the present embodiment 34 is identical as above-described embodiment 11, and difference is only that, in this reality It applies in example 34, the weight ratio of acrylic resin and polyester resin is 20 parts: 80 parts.
Embodiment 35: remaining technical solution of the present embodiment 35 is identical as above-described embodiment 11, and difference is only that, in this reality It applies in example 35, the weight ratio of acrylic resin and polyester resin is 80 parts: 20 parts.
Embodiment 36: remaining technical solution of the present embodiment 36 is identical as above-described embodiment 11, and difference is only that, in this reality It applies in example 36, the weight ratio of acrylic resin and polyester resin is 15 parts: 85 parts.
Embodiment 37: remaining technical solution of the present embodiment 37 is identical as above-described embodiment 11, and difference is only that, in this reality It applies in example 37, the weight ratio of acrylic resin and polyester resin is 85 parts: 15 parts.
Embodiment 38: remaining technical solution of the present embodiment 38 is identical as above-described embodiment 11, and difference is only that, in this reality It applies in example 38, the weight ratio of acrylic resin and polyester resin is 10 parts: 90 parts.
Embodiment 39: remaining technical solution of the present embodiment 39 is identical as above-described embodiment 11, and difference is only that, in this reality It applies in example 39, the weight ratio of acrylic resin and polyester resin is 90 parts: 10 parts.
Embodiment 40: remaining technical solution of the present embodiment 40 is identical as above-described embodiment 11, and difference is only that, in this reality It applies in example 40, the weight ratio of acrylic resin and polyester resin is 5 parts: 95 parts.
Embodiment 41: remaining technical solution of the present embodiment 41 is identical as above-described embodiment 11, and difference is only that, in this reality It applies in example 41, the weight ratio of acrylic resin and polyester resin is 95 parts: 5 parts.
Comparative example 1:
This comparative example 1 uses the encapsulating material of the existing typical photovoltaic module of background technique.
Comparative example 2:
This comparative example 2 uses background technique EVA adhesive film encapsulating material.
Comparative example 3:
This comparative example 3 uses background technique POE glue film encapsulating material.
Comparative example 4:
Remaining technical solution of this comparative example 4 is identical as above-described embodiment 7, and difference is only that, in this comparative example 4, the One encapsulated layer and the second encapsulated layer are by 65 parts by weight of epoxide powder coating including 35 parts by weight of fiber cloth and routine business It is prepared.
Comparative example 5:
This comparative example 5 is used using CN201610685536.0 is disclosed based on stacked wafer moudle made of acrylic acid powder coatings Encapsulating material embodiment 1.
Comparative example 6:
This comparative example 6 is disclosed based on stack of laminations made of super-weatherable polyether powder coating using CN201610685240.9 Part encapsulating material embodiment 1.
Comparative example 7:
This comparative example 7 is used using CN201610685536.0 is disclosed based on stacked wafer moudle made of acrylic acid powder coatings Encapsulating material embodiment 11.
Comparative example 8:
This comparative example 6 is disclosed based on stack of laminations made of super-weatherable polyether powder coating using CN201610685240.9 Part encapsulating material embodiment 5.
Comparative example 9:
The most preferred embodiment that this comparative example 9 is announced using CN105637653A, and using its disclosed preferred lamination work Skill.
Comparative example 10:
Remaining technical solution of this comparative example 10 is identical as above-described embodiment 7, and difference is only that, using CN105637653A The preferred laminating technology announced is laminated to obtain the laminar structure of stacked wafer moudle.
The utility model has carried out the reality for lamination techniques standard for the encapsulated layer and comparative example of above-described embodiment Measure of merit is applied, test result is as follows table 1.
Implementation result comparison of the laminar structure of all kinds of stacked wafer moudles of table 1 in terms of photovoltaic technology standard
The utility model full text encapsulating structure weight refers to the weight of stacked wafer moudle encapsulating material unit square rice；Anti-impact It hits performance test and refers to and launch the ice hockey that normal diameter is 25mm, quality is 7.53g with the speed of 23.0m/s, hit 11 positions of stacked wafer moudle for completing encapsulation are required by three aspects such as appearance, maximum power attenuation and insulation resistance to sentence The shock resistance of disconnected stacked wafer moudle；Fire line is the result obtained by UL1703 standard detection；Pencil hardness is ASTM The result that D3363-2005 (R2011) standard detection obtains；Tensile strength is that GB/T 1040.3-2006 standard detection obtains As a result；Elongation at break is the result obtained by GB/T 1040.3-2006 standard detection.
The data from table 1 are it will be evident that the utility model embodiment is meeting uvioresistant, anti-aging, shock resistance, fire prevention Under the premise of equal photovoltaic industries technical standard requires, the lightweight for solving stacked wafer moudle encapsulating material is effectively realized, and make At low cost, the tempered glass of substitution conventional package formula is made, provides certain rigidity to stacked wafer moudle to protect laminated battery Pond is consequently adapted to the installation of the lamination power generation product of more occasions in this way, being not only able to mitigate the weight of stacked wafer moudle significantly, And the Discussing Convenience of labor intensity when product installation and raising installation can also be reduced, the peace of stacked wafer moudle is reduced on the whole Dress up this.
It needs further, it is emphasized that the utility model embodiment passes through coating unit hybrid thermosetting powdery paints It is uniformly coated in fiber cloth, then hybrid thermosetting powdery paints and fiber cloth pre-bonded is made by pressurized, heated, finally Step cut be made suitable dimension stacked wafer moudle encapsulated layer, be so able to achieve stacked wafer moudle package dimension it is any change with The installation requirement of different buildings is adapted to, the installation application of stacked wafer moudle is further convenient for.
The utility model is compared on specific project also directed to the encapsulated layer and comparative example of above-described embodiment, Comparing result such as the following table 2.
The comparison of 2 implementation result two of table
It is excellent that "+" on the utility model in table 2 indicates that its corresponding embodiment or comparative example show now in the comparative run Different, "-" indicates that its corresponding embodiment or comparative example are unable to satisfy lamination standard in the comparative run now, and "/" indicates its correspondence Embodiment or comparative example be not suitable for the comparison project, wherein the quantity of "+" is more, represents its corresponding embodiment or ratio It is more excellent in comparison project performance compared with example, specifically, under " cost " comparative run, its corresponding implementation is represented per more 1 "+" Example or comparative example reduce 10-20% or so in " cost "；Under " hydrothermal stability " comparative run, it is represented per more 1 "+" Corresponding embodiment or comparative example improve 10-20% or so on " hydrothermal stability "；Under " weatherability " comparative run, per more 1 "+" represents its corresponding embodiment or comparative example and improves 10-20% or so in " weatherability "；It " is being soaked with fiber cloth Property " under comparative run, represent its corresponding embodiment or comparative example per more 1 "+" and improve 10- on " with fiber cloth wetability " 20% or so；Under " adhesive force with fiber cloth " comparative run, its corresponding embodiment is represented per more 1 "+" or comparative example exists 10-20% or so is improved on " adhesive force with fiber cloth "；Under " mechanical performance " comparative run, its correspondence is represented per more 1 "+" Embodiment or comparative example 10-20% or so is improved in " mechanical performance "；Under " water vapor transmittance " comparative run, per more 1 "+" represents its corresponding embodiment or comparative example reduces 10-20% or so on " water vapor transmittance ".
It should be strongly noted that " hydrothermal stability " is better and " steam penetrates on the utility model in table 2 The rate " the low, indicates that it is suitably applied hot and humid environment；The " weatherability " the good, and it is outdoor strong purple to indicate that it is suitably applied Outer illumination or harsher wind conditions；" with fiber cloth wetability " and " adhesive force with fiber cloth " refer respectively to the utility model implementation The wetability and adhesive force of example hybrid thermosetting powdery paints and fiber cloth, " with fiber cloth wetability " and " with fiber cloth Adhesive force " it is better, then it represents that its intensity is good, and good with the quality of connection of fiber cloth, is suitably applied with high mechanical erection It is required that environment；" mechanical performance " refers to the mechanical performance performance of the utility model embodiment entirety, includes adhesive force, anti-impact It hits, the mechanical performance of pencil hardness etc..
Should be clear from by upper table 2: by implement the utility model can obtain a large amount of comprehensive performances it is obvious it is excellent in The embodiment of comparative example 5- comparative example 8, it is including that high temperature is high that stacked wafer moudle, which can be effectively ensured, in these embodiments of the utility model Wet environment, outdoor strong ultraviolet lighting or harsher wind conditions require use under the severe installation environment such as environment with high mechanical erection Service life, and cost is relatively low, is very suitable to practice on a large scale.
The utility model for above-described embodiment laminar structure and comparative example also carried out resistance to scratching, flatness, Implementation result comparison is carried out in terms of color category, test result is as follows table 3.
The laminar structure of all kinds of stacked wafer moudles of table 3 it is resistance to scratching, in terms of implementation result comparison
Further as can be seen from Table 3, the utility model has excellent resistance to scratching characteristic, while ensuring stacked wafer moudle layer The flatness of laminated structure has been taken into account and has further facilitated the installation of stacked wafer moudle under exterior aesthetics and practice.
It should also be noted that, it should be evident that in the utility model other embodiments, those skilled in the art Can according to the first encapsulated layer and the actual layer locations of structures situation of the second encapsulated layer and specific performance needs, the first encapsulated layer and Second encapsulated layer can enumerate different optimal technical schemes using the utility model embodiment and be composed hybrid thermosetting Powdery paints or the first encapsulated layer or the second encapsulated layer individually use the utility model embodiment to enumerate different optimization techniques Scheme is composed hybrid thermosetting powdery paints, another encapsulated layer is made of other materials, this applies practical The encapsulated layer of new embodiment has been likewise supplied with technical effect brought by the utility model；Although furthermore, it is understood that this implementation The obtained layer structure of example is part preferred embodiment, but does not limit those skilled in the art according to practical application area needs, It is based on content disclosed in the utility model simultaneously, other layers of structure can be added completely；It is believed that these applications are all this fields Technology combines the common knowledge of this field can be obtained based on the basis of the utility model, since specification length is limited, this reality With new embodiment no longer expansion description one by one, these applications still fall within the spirit of the utility model, therefore these applications are same Sample is considered the rights protection scope of the utility model.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (7)

1. a kind of laminar structure of stacked wafer moudle, the laminar structure includes encapsulated layer and lamination solar battery string, spy Sign is that encapsulated layer described at least part includes that base and Thermosetting acryl powder coating-thermosetting polyester powder apply Expect that mixed layer, the Thermosetting acryl powder coating-thermosetting polyester powdery paints mixed layer are set to the base one Side.
2. the laminar structure of stacked wafer moudle as described in claim 1, which is characterized in that the base is scrim cloth, institute The scrim cloth stated is made of fibrous material weaving.
3. the laminar structure of stacked wafer moudle as described in claim 1, which is characterized in that the laminar structure includes fluoroplastics Film layer, the fluorine plastic film layer are located at the top of the encapsulated layer.
4. the laminar structure of stacked wafer moudle as described in claim 1, which is characterized in that the laminar structure includes packaging plastic Film layer, the packaging plastic film layer are arranged between the encapsulated layer and lamination solar battery string.
5. the laminar structure of stacked wafer moudle as described in claim 1, which is characterized in that the weight per unit area of the base Range is 30-400g/m2, the Thermosetting acryl powder coating-thermosetting polyester powdery paints mixed layer is coated in institute Weight per unit area range in the base stated is 70-400g/m2。
6. a kind of stacked wafer moudle, including laminar structure, connector and terminal box, the laminar structure passes through the connector It is electrically connected with the terminal box, which is characterized in that the stacked wafer moudle includes as described in claim 1-5 any one Stacked wafer moudle laminar structure.
7. stacked wafer moudle as claimed in claim 6, which is characterized in that the connector includes crimp type terminal and thermal shrinkable sleeve Pipe, the crimp type terminal described positioned at the cable wire clamp access at the connector both ends, the heat-shrinkable T bush surround pressure connection terminal Son.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109852127A (en) * 2019-02-18 2019-06-07 安徽泰达新材料股份有限公司 A kind of polyester type powder paint composite curing agent and the preparation method and application thereof
WO2019228049A1 (en) * 2018-05-31 2019-12-05 上迈（上海）新能源科技有限公司 High-efficiency protective composite board and preparation method therefor, and application and application method therefor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019228049A1 (en) * 2018-05-31 2019-12-05 上迈（上海）新能源科技有限公司 High-efficiency protective composite board and preparation method therefor, and application and application method therefor
CN109852127A (en) * 2019-02-18 2019-06-07 安徽泰达新材料股份有限公司 A kind of polyester type powder paint composite curing agent and the preparation method and application thereof
CN109852127B (en) * 2019-02-18 2022-01-04 安徽泰达新材料股份有限公司 Composite curing agent for polyester powder coating and preparation method and application thereof

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