CN102956755B - 光伏组件铝背板绝缘方法 - Google Patents
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 56
- 238000009413 insulation Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000011521 glass Substances 0.000 claims abstract description 7
- 239000004411 aluminium Substances 0.000 claims description 44
- 238000003475 lamination Methods 0.000 claims description 14
- 238000009966 trimming Methods 0.000 claims description 8
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical group [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 6
- 239000000741 silica gel Substances 0.000 abstract description 6
- 229910002027 silica gel Inorganic materials 0.000 abstract description 6
- 238000005520 cutting process Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000010030 laminating Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000005507 spraying Methods 0.000 abstract 1
- 239000004020 conductor Substances 0.000 description 4
- 229910021419 crystalline silicon Inorganic materials 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000005341 toughened glass Substances 0.000 description 2
- 206010068052 Mosaicism Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 210000003765 sex chromosome Anatomy 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- H—ELECTRICITY
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- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
- H01L31/049—Protective back sheets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S30/00—Structural details of PV modules other than those related to light conversion
- H02S30/10—Frame structures
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
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Abstract
本发明公开了一种光伏组件铝背板绝缘技术,包括本发明对铝背板进行剪切,使得铝背板的尺寸均小于玻璃的尺寸4~5mm,对铝背板的电极引线部位开方形开口,在组件排版敷设时,通过垫绝缘小料或采用绝缘膜包边的方法对方形开口进行绝缘处理,再经过层压和层压件削边,采用0.5~1mm的绝缘胶带对切边后的层压件进行包边,最后对层压件进行打硅胶装框和装接线盒。本发明操作方便、投资低、应用前景广泛。
Description
技术领域
本发明涉及一种光伏组件铝背板绝缘技术,属于光伏领域。
背景技术
散热性和水汽渗透性是提高光伏组件功率输出和使用寿命的重要指标。据申请人了解,目前国内外光伏行业中,针对光伏组件散热性和水汽渗透性问题,倾向采用散热性和水汽阻隔性良好的铝背板材料。然而,铝背板的绝缘性较差,很难耐受6000~8000V的高压,目前晶体硅组件中很少使用。
发明内容
本发明的目的在于提供一种在光伏组件中使用铝背板,并改善其绝缘性的光伏组件铝背板绝缘方法。
本发明的技术解决方案是:
一种光伏组件铝背板绝缘方法,其特征是:包括如下步骤:
(1)对铝背板进行剪切,使得铝背板的长宽尺寸均小于玻璃的长宽尺寸;
(2)对铝背板的电极引线部位进行开口,使它成为方形开口;
(3)对组件进行排版敷设,并对方形开口进行绝缘处理;
(4)对排版敷设后的叠层进行层压;
(5)对层压后的层压件进行切边;
(6)采用绝缘胶带对切边后的层压件进行包边;
(7)采用填充硅胶后的边框对包边后的层压件进行装框,并安装接线盒。
步骤(7)装框完成后,还对背板和铝框结合处进行补硅胶密封。
步骤(3)对方形开口进行绝缘处理的方法是:对方形开口的剖面垫绝缘小料或采用包边的方式对方形开口剖面包裹绝缘膜。
本发明对铝背板进行剪切,使得铝背板的长宽尺寸均小于玻璃的长宽尺寸,对铝背板的电极引线部位进行开口,使它成为方形开口,在组件排版敷设时,对方形开口进行绝缘处理,再经过层压和层压件削边,然后采用绝缘胶带对切边后的层压件进行包边,可以有效的解决铝背板与金属边框,铝背板与电极引线的绝缘不良的问题。
铝背板有良好的水汽阻隔性和热传导,但是目前在晶体硅光伏组件的应用较少,主要是绝缘性不良,难以承受6KV的高压。由于本发明采用剪切方法,使得铝背板的长宽尺寸均小于玻璃的长宽尺寸,当组件层压时,EVA熔化和固化后,会对铝背板的侧面形成密封,同时采用绝缘胶带对削边后的层压件包边,这样既能避免背板的切削面(侧面)直接接触金属边框而短路,又能使绝缘胶带对切削面(侧面)起到绝缘保护,通过铝背板的电极引线部位开方形口,然后对方形开口边缘进行绝缘处理,可以避免铝背板的方形开口的横截剖面与电极引线接触短路,最大程度的提高铝背板的整体绝缘耐压性能。
本发明与目前普遍工业化的常规组件生产线可以良好兼容,可以直接利用现有常规设备,避免了设备方面的高投资,有利于铝背板的工业化普及应用,提高铝背板的绝缘耐压性能。
附图说明
下面结合附图和实施例对本发明作进一步说明。
图1为玻璃和铝背板图。
图2为铝背板方形开口图。
图3为组件层压件边缘剖面图。
具体实施方式
一种光伏组件铝背板绝缘方法,(如图1、图2、图3所示),包括如下步骤:
(1)对铝背板进行剪切,使得铝背板2的长宽尺寸均小于镀膜钢化玻璃的1长宽尺寸4~5mm;
(2)对铝背板2的电极引线4部位进行开口,使它成为方形开口3;
(3)对组件进行排版敷设(顺序为镀膜钢化玻璃1、EVA81、电池片9、EVA82 和铝背板10,其中EVA81、EVA82组成EVA层8),并对方形开口3进行绝缘处理;
(4)对排版敷设后的叠层进行层压;
(5)对层压后的层压件进行切边;
(6)采用绝缘胶带7对切边后的层压件进行包边;
(7)采用填充有硅胶6(图中包括硅胶61、62)的铝框5对包边后的层压件进行,并安装接线盒;
步骤(7)装框完成后,还对背板和铝框结合处进行补硅胶密封。
步骤(3)对方形开口进行绝缘处理的方法是:对方形开口的剖面垫绝缘小料或采用包边的方式对方形开口剖面包裹绝缘膜。
本发明中的基本步骤方法,比如对组件进行排版敷设、采用层压机对层压件进行层压、对层压后的层压件进行切边、装框和安装接线盒都属于现有成熟的技术手段,因此在本实施例中,未对这些步骤的方法进行详细阐述。本发明的创新点在于对铝背板进行剪切,使得铝背板的尺寸均小于玻璃的尺寸,便于层压后,熔融固化的EVA将铝背板原本锋利多刺的边缘剖面封住并形成光滑连接,这样可以对铝背板边缘剖面形成第一道绝缘,也能避免锋利多刺的剖面将后续的绝缘胶带划伤刺破,同时采用0.5~1mm厚度的绝缘胶带包裹住铝背板边缘剖面和层压件边缘,这样又增加了铝背板边缘剖面的绝缘,采用填充有硅胶铝边框对层压件进行装框,这样又可以增加对铝背板边缘剖面的密封绝缘,同时,对铝背板的电极引线部位开方形开口并对方形开口剖面进行绝缘处理,使得穿过铝背板的电极引线不会与方形开口的剖面接触造成短路,这样可以解决铝背板制作的光伏组件的绝缘耐压失败的问题,提高铝背板在晶体硅组件中的应用。本发明具有突出的特点和显著的进步。
除上述实施例外,本发明还可以有其他实施方式。凡采用等同替换或等效变换形成的技术方案,均落在本发明要求的保护范围。
Claims (2)
1.一种光伏组件铝背板绝缘方法,其特征是:包括如下步骤:
(1)对铝背板进行剪切,使得铝背板的长、宽尺寸分别小于玻璃的长、宽尺寸4-5mm;
(2)对铝背板的电极引线部位进行开口,使它成为方形开口;
(3)对组件进行排版敷设,并对方形开口进行绝缘处理;
(4)对排版敷设后的叠层进行层压;
(5)对层压后的层压件进行切边;
(6)采用绝缘胶带对切边后的层压件进行包边;
(7)采用填充硅胶后的边框对包边后的层压件进行装框,并安装接线盒。
2.根据权利要求1所述的光伏组件铝背板绝缘方法,其特征是:步骤(3)对方形开口进行绝缘处理的方法是:对方形开口的剖面垫绝缘小料或采用包边的方式对方形开口剖面包裹绝缘膜。
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CN201210510019.1A CN102956755B (zh) | 2012-12-04 | 2012-12-04 | 光伏组件铝背板绝缘方法 |
KR1020147016868A KR101565458B1 (ko) | 2012-12-04 | 2013-07-25 | 광발전 모듈의 알류미늄 뒷판 절연방법 |
PCT/CN2013/080126 WO2014086156A1 (zh) | 2012-12-04 | 2013-07-25 | 光伏组件铝背板绝缘方法 |
US14/365,686 US9385252B2 (en) | 2012-12-04 | 2013-07-25 | Method for insulating aluminum backboard of photovoltaic |
BR112014018024A BR112014018024A2 (pt) | 2012-12-04 | 2013-07-25 | método para isolamento de uma placa de alumínio do módulo fotovoltaico |
JP2015544322A JP2015537388A (ja) | 2012-12-04 | 2013-07-25 | 光起電力コンポーネントのアルミ後板の絶縁方法 |
EP13859969.1A EP2793274B1 (en) | 2012-12-04 | 2013-07-25 | Insulating method for aluminum back plate of photovoltaic module |
CL2014001938A CL2014001938A1 (es) | 2012-12-04 | 2014-07-22 | Un procedimiento de aislamiento de una placa posterior de aluminio de un modulo fotovoltaico, comprende cortar la placa posterior, formar una abertura cuadrada, componer y colocar los componentes del modulo y aislar la abertura, laminar los componentes, recortar, envolver y enmarcar la pieza laminada. |
ZA2014/05448A ZA201405448B (en) | 2012-12-04 | 2014-07-23 | Insulating method for aluminium back plate of photovoltaic module |
IL234039A IL234039A0 (en) | 2012-12-04 | 2014-08-10 | Insulation method for the aluminum back plate of a photovoltaic module |
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CN (1) | CN102956755B (zh) |
BR (1) | BR112014018024A2 (zh) |
CL (1) | CL2014001938A1 (zh) |
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DE102012214401A1 (de) * | 2012-08-13 | 2014-02-13 | Tesa Se | Verfahren zur Herstellung eines Solarmoduls |
CN102956755B (zh) * | 2012-12-04 | 2015-04-01 | 韩华新能源(启东)有限公司 | 光伏组件铝背板绝缘方法 |
WO2014146317A1 (zh) * | 2013-03-22 | 2014-09-25 | 韩华新能源(启东)有限公司 | 新型光伏组件 |
CN104112783B (zh) * | 2013-04-22 | 2017-08-25 | 珠海兴业新能源科技有限公司 | 高性能绝缘太阳能光伏光热一体化板芯及其制备方法 |
CN104868000B (zh) * | 2015-05-29 | 2016-10-05 | 苏州思博露光伏能源科技有限公司 | 轻质模块化的太阳能电池组件 |
CN106229374A (zh) * | 2016-07-27 | 2016-12-14 | 无锡中洁能源技术有限公司 | 太阳能电池背板生产工艺 |
CN106206791A (zh) * | 2016-08-27 | 2016-12-07 | 无锡中洁能源技术有限公司 | 一种具有高散热性太阳能电池背板的生产工艺 |
CN106206804A (zh) * | 2016-08-27 | 2016-12-07 | 无锡中洁能源技术有限公司 | 一种有机绝缘型太阳能背板的生产工艺 |
CN106229380A (zh) * | 2016-08-27 | 2016-12-14 | 无锡中洁能源技术有限公司 | 一种带涂层太阳能背板的生产工艺 |
CN106299001B (zh) * | 2016-09-07 | 2019-04-23 | 珠海格力电器股份有限公司 | 一种抗pid效应的光伏组件 |
CN110729367B (zh) * | 2018-06-28 | 2021-04-30 | 领凡新能源科技(北京)有限公司 | 自动贴覆装置和背板裁切系统 |
CN109104149A (zh) * | 2018-09-27 | 2018-12-28 | 北京铂阳顶荣光伏科技有限公司 | 太阳能电池组件框架和太阳能电池装置 |
CN112422065A (zh) * | 2020-12-03 | 2021-02-26 | 安徽大恒能源科技有限公司 | 一种全屏光伏组件边框及其装配工艺 |
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EP2793274A1 (en) | 2014-10-22 |
JP2015537388A (ja) | 2015-12-24 |
IL234039A0 (en) | 2014-09-30 |
BR112014018024A2 (pt) | 2019-09-24 |
US20140338190A1 (en) | 2014-11-20 |
ZA201405448B (en) | 2015-11-25 |
EP2793274B1 (en) | 2016-05-04 |
US9385252B2 (en) | 2016-07-05 |
KR20140103124A (ko) | 2014-08-25 |
EP2793274A4 (en) | 2015-05-13 |
KR101565458B1 (ko) | 2015-11-03 |
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CN102956755A (zh) | 2013-03-06 |
CL2014001938A1 (es) | 2014-11-14 |
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