CN204652298U - 一种bipv光伏组件 - Google Patents

一种bipv光伏组件 Download PDF

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CN204652298U
CN204652298U CN201520395603.6U CN201520395603U CN204652298U CN 204652298 U CN204652298 U CN 204652298U CN 201520395603 U CN201520395603 U CN 201520395603U CN 204652298 U CN204652298 U CN 204652298U
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glass sheet
photovoltaic module
base plate
phase change
vanadium dioxide
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王运方
王楠
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Hongyi Technology Co.,Ltd.
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Beijing Hanergy Solar Power Investment Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/60Planning or developing urban green infrastructure
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/10Photovoltaic [PV]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/52PV systems with concentrators

Abstract

本实用新型提供了一种BIPV光伏组件,包括:前板玻璃、后板玻璃和与所述后板玻璃相贴合的底板玻璃,在前板玻璃和后板玻璃之间依次设有光伏电池发电层、背电极透光层,在底板玻璃的上表面布置有二氧化钒相变层。实现了在特定温度时改变组件底板玻璃对红外线的反射性能,不但可以调节透光度,还可以提高光伏组件的发电效率。

Description

一种BIPV光伏组件
技术领域
[0001] 本实用新型涉及一种光伏组件,尤其是一种光伏建筑一体化光伏组件。
背景技术
[0002] 随着社会的发展,太阳能作为清洁能源也越来越受到人们的关注。光伏建筑一体化(Building Integrated PV)简称BIPV,就是将光伏模块作为建筑物的组成部分,同时发挥其发电功能。由于光伏发电模块与建筑结合不占用额外的地面和建筑空间,是光伏发电系统在城市中广泛应用的最佳安装方式。
[0003] BIPV光伏组件虽然打破了光伏行业与建筑行业的技术壁皇,但也存在着如下制约BIPV光伏组件发展的弊端:
[0004] (I)光伏组件的发电效率受透光度影响较大,透光度越高组件发电效率越低;
[0005] (2)光伏组件对光线的透光度和隔热效果的调控效果不佳。
实用新型内容
[0006] 本实用新型提供了一种BIPV光伏组件,实现了在特定温度时改变组件基底层对红外线的反射性能,不但可以调节透光度,还可以提高光伏组件的发电效率。
[0007] 为了实现上述目的,本实用新型提供如下技术方案:
[0008] 一种BIPV光伏组件,包括:前板玻璃、后板玻璃和与所述后板玻璃相贴合的底板玻璃,在前板玻璃和后板玻璃之间依次设有光伏电池发电层、背电极透光层,在底板玻璃的上表面布置有二氧化钒相变层。
[0009] 优选地,所述底板玻璃和所述二氧化钒相变层之间具有Si3N4缓冲层。
[0010] 优选地,所述二氧化I凡相变层的厚度为30〜50纳米。
[0011] 优选地,所述二氧化钒相变层与所述底板玻璃的上表面的连接方式为涂覆、封装或压制中的一种或多种。
[0012] 优选地,所述光伏电池发电层为非晶硅、铜铟镓砸、砷化镓或碲化镉光伏电池发电层O
[0013] 采用了上述技术方案后,本实用新型具有以下的有益效果:
[0014] (I)正午时分光线照射强,当建筑表面累计温度达到二氧化钒相变层所预设的温度后,底板玻璃的上表面二氧化钒相变层对入射红外线进行反射,反射光线在后板玻璃下表面与底板玻璃之间进行漫反射和二次反射,被光伏电池发电层再次吸收。这样,不但可提高3〜6 %的光电转换斜率,而且降低了建筑物内的温度,同时使得BIPV光伏组件的透光度自动降低,改善了室内的采光效果。
[0015] (2)清晨和傍晚时段环境光线较弱,建筑物表面累计温度低于相变涂层所预设的温度,红外线和部分可见光可正常穿过底板玻璃的上表面二氧化钒相变层入射到建筑物内,不影响室内的采光效果。
附图说明
[0016] 图1为本实用新型的BIPV光伏组件的结构图。
[0017] 上图中标记:1、前板玻璃2、光伏电池发电层3、背电极透光层4、后板玻璃5、二氧化钒相变层6、底板玻璃
具体实施方式
[0018] 如图1所示,为本实用新型的BIPV光伏组件的结构图。本实用新型提供的BIPV光伏组件的结构包括:前板玻璃1、后板玻璃4和与所述后板玻璃相贴合的底板玻璃6,在前板玻璃I和后板玻璃4之间依次设有光伏电池发电层2、背电极透光层3,在底板玻璃6的上表面布置有二氧化钒相变层5。
[0019] 这样,在正午时分光线照射强,当建筑表面累计温度达到二氧化钒相变层预设温度后,底板玻璃的上表面二氧化钒相变层对入射的红外线进行反射,反射光线在后板玻璃下表面与底板玻璃之间进行漫反射和二次反射,然后被光伏电池发电层再次吸收。这样,不但可提高3〜6%的光电转换斜率,而且降低了建筑物内的温度,同时使得BIPV光伏组件的透光度自动降低,改善了室内的采光效果。在清晨和傍晚时段环境光线较弱,建筑物表面累计温度低于相变涂层预设温度,红外线和部分可见光可正常穿过底板玻璃的上表面二氧化钒相变层入射到建筑物内,不影响室内的采光效果。通过控制二氧化钒相变层的制备工艺,可以预设二氧化钒相变层相变温度。本实用新型的二氧化钒相变层预设温度范围在35〜45。。。
[0020] 进一步,底板玻璃和二氧化钒相变层之间具有Si3N4缓冲层。Si3N4缓冲层可以增强低于预设温度二氧化钒相变层的透光率和降低二氧化钒薄膜受外部环境的影响。
[0021] 进一步,所述二氧化钒相变层6的厚度为30〜50纳米,这样二氧化钒相变层可以更好地实现自动调节透光率的性能。
[0022] 进一步,所述二氧化钒相变层5与所述底板玻璃6的上表面的连接方式为涂覆、封装或压制中的一种或多种。
[0023] 另外,光伏电池发电层2为非晶硅、铜铟镓砸、砷化镓或碲化镉光伏电池发电层。
[0024] 以上所述的具体实施例,对本实用新型的目的、技术方案进行了进一步详细说明,所应理解的是,以上所述仅为本实用新型的具体实施例而已,并不用于限制本实用新型,凡在本实用新型的精神和原则之内,所做的任何修改、等同替换、改进等,均应包含在本实用新型的保护范围之内。

Claims (5)

1.一种BIPV光伏组件,其特征在于,包括:前板玻璃⑴、后板玻璃⑷和与所述后板玻璃相贴合的底板玻璃出),在前板玻璃(I)和后板玻璃(4)之间依次设有光伏电池发电层(2)、背电极透光层(3),在底板玻璃¢)的上表面布置有二氧化钒相变层(5)。
2.根据权利要求1所述的BIPV光伏组件,其特征在于,所述底板玻璃(6)和所述二氧化钒相变层(5)之间具有Si3N4缓冲层。
3.根据权利要求1所述的BIPV光伏组件,其特征在于,所述二氧化钒相变层(5)的厚度为30〜50纳米。
4.根据权利要求1所述的BIPV光伏组件,其特征在于,所述二氧化钒相变层(5)与所述底板玻璃¢)的上表面的连接方式为涂覆、封装或压制中的一种或多种。
5.根据权利要求1所述的BIPV光伏组件,其特征在于,所述光伏电池发电层(2)为非晶硅、铜铟镓砸、砷化镓或碲化镉光伏电池发电层。
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019214060A1 (zh) * 2018-05-08 2019-11-14 北京汉能光伏投资有限公司 发电机构及其制备方法、发电装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019214060A1 (zh) * 2018-05-08 2019-11-14 北京汉能光伏投资有限公司 发电机构及其制备方法、发电装置

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Effective date of registration: 20160214

Address after: 100176 Beijing economic and Technological Development Zone, Kangding street, No. 11, building three, floor 11

Patentee after: APOLLO PREC KUNMING YUANHONG LTD

Address before: 100101 Beijing city Huairou area yangsongzhen Fengxiang East Street, No. 5

Patentee before: Beijing Han Neng photovoltaic Investment Co., Ltd

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Address after: 100076 6015, 6th floor, building 8, 9 Yingshun Road, Yinghai Town, Daxing District, Beijing

Patentee after: Beijing Dingrong Photovoltaic Technology Co.,Ltd.

Address before: 100176 3rd floor, 11 Kangding Street, Beijing Economic and Technological Development Zone

Patentee before: BEIJING APOLLO DING RONG SOLAR TECHNOLOGY Co.,Ltd.

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Patentee after: Hongyi Technology Co.,Ltd.

Address before: 100076 6015, 6th floor, building 8, 9 Yingshun Road, Yinghai Town, Daxing District, Beijing

Patentee before: Beijing Dingrong Photovoltaic Technology Co.,Ltd.

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