WO2022241971A1 - 蜂窝型流道双面吹胀式 pvt 组件 - Google Patents

蜂窝型流道双面吹胀式 pvt 组件 Download PDF

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WO2022241971A1
WO2022241971A1 PCT/CN2021/115855 CN2021115855W WO2022241971A1 WO 2022241971 A1 WO2022241971 A1 WO 2022241971A1 CN 2021115855 W CN2021115855 W CN 2021115855W WO 2022241971 A1 WO2022241971 A1 WO 2022241971A1
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heat exchange
photovoltaic cell
honeycomb
photovoltaic
aluminum
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French (fr)
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张吉礼
郭晓超
米培源
韩友华
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Dalian University of Technology
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Dalian University of Technology
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    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F19/00—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
    • H10F19/80—Encapsulations or containers for integrated devices, or assemblies of multiple devices, having photovoltaic cells
    • H10F19/85—Protective back sheets
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F19/00—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
    • H10F19/80—Encapsulations or containers for integrated devices, or assemblies of multiple devices, having photovoltaic cells
    • H10F19/804—Materials of encapsulations
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F77/00—Constructional details of devices covered by this subclass
    • H10F77/60—Arrangements for cooling, heating, ventilating or compensating for temperature fluctuations
    • H10F77/63—Arrangements for cooling directly associated or integrated with photovoltaic cells, e.g. heat sinks directly associated with the photovoltaic cells or integrated Peltier elements for active cooling
    • 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
    • Y02E10/60—Thermal-PV hybrids

Definitions

  • the invention belongs to the technical field of solar energy utilization, in particular to a double-sided inflation type PVT assembly with a honeycomb flow channel.
  • Solar energy is the largest and most widely used renewable energy in the world. Compared with other energy sources, it has the advantages of huge energy and no pollution.
  • the development and utilization of solar energy and the improvement of energy utilization have become hot issues in the field of solar energy utilization.
  • the main technologies are solar photovoltaic technology and solar thermal technology, among which solar photovoltaic technology converts light energy into electrical energy through the photovoltaic effect and utilizes it; solar thermal technology collects and converts solar energy into thermal energy for utilization.
  • solar photovoltaic technology converts part of the solar energy into photovoltaic waste heat and loses it to the environment, resulting in a waste of solar energy.
  • the purpose of the invention is to deeply develop solar energy and improve the comprehensive utilization rate of solar energy.
  • a double-sided inflatable PVT module with a honeycomb flow channel mainly composed of an aluminum inflatable heat exchange plate 1, a black photovoltaic backplane 3, a photovoltaic cell module 4, and a tempered glass plate 5, with EVA glue between the four
  • the film 2 is laminated and bonded together at high temperature, and packaged and formed with an aluminum alloy frame.
  • the aluminum inflatable heat exchange plate 1 is mainly composed of a honeycomb heat exchange flow channel 101, an aluminum plate 102, a circulating working medium inlet 103 and a circulating working medium outlet 104;
  • the honeycomb heat exchange flow channel 101 is in the shape of a snake structure, its two ends are the circulating working fluid inlet 103 and the circulating working medium outlet 104 respectively;
  • the honeycomb heat exchange flow channel 101 is formed by double-sided inflation of the aluminum plate 102 engraved with a honeycomb shape; the aluminum inflatable heat exchange plate 1
  • the circulating working fluid in the internal flow channel absorbs the solar energy accumulated on the black photovoltaic backplane, and then realizes the output of heat energy.
  • the aluminum inflatable heat exchange plate 1 has a honeycomb flow channel, which increases the turbulence of the internal circulating working fluid, improves the heat absorption capacity, and reduces the temperature of the photovoltaic cells to a large extent, further improving The electrical efficiency of photovoltaic cells.
  • the aluminum inflatable heat exchange plate 1 is double-sided inflated, which increases the mass flow rate of the circulating working medium in the heat exchange channel and improves the heat output capacity;
  • the black photovoltaic backplane is used to absorb solar heat and prevent leakage of photovoltaic cells
  • the photovoltaic cell assembly is composed of 72 cells connected in series through a confluence belt, and converts light energy into electric energy by utilizing the photovoltaic effect of solar energy;
  • the type of a single photovoltaic cell includes monocrystalline silicon, polycrystalline silicon, amorphous silicon, etc.;
  • the tempered glass plate is used to protect the photovoltaic cells and reduce the convective heat loss between the components and the air.
  • the invention utilizes the light and heat of solar energy, and has high energy utilization rate
  • the invention can be used as the evaporator of the heat pump system, and improves the basic heat exchange components for the application of solar heat pump engineering;
  • honeycomb flow channel in the present invention strengthens the heat exchange capacity of the component
  • the double-sided inflation technology in the present invention increases the heat production capacity of the module
  • the invention can generate heat while generating electricity, and the heat generation process reduces the temperature of the photovoltaic cells, thereby improving the electrical efficiency of the photovoltaic cells.
  • the invention can be applied to the outer skin of a building, and provides basic elements for building integration of solar photovoltaic light and heat.
  • Fig. 1 is the interlayer structural diagram of the double-sided inflatable PVT module of the honeycomb flow channel of the present invention
  • Fig. 2 is a schematic diagram of a honeycomb flow channel of an aluminum double-sided inflatable heat exchange plate of the present invention
  • Fig. 3 is an arrangement diagram of battery slices of the module of the present invention.
  • the honeycomb flow channel double-sided inflatable PVT assembly consists of an aluminum inflatable heat exchange plate 1, a black photovoltaic backplane 3, a photovoltaic cell assembly 4, and a tempered glass plate 5 Composition, the aluminum inflatable heat exchange plate 1, the black photovoltaic backplane 3, the photovoltaic cell assembly 4, and the tempered glass plate 5 are laminated and bonded together at high temperature by the EVA film 2, and are bonded together with aluminum Alloy frame package molding.
  • Sunlight shines on the photovoltaic cell assembly 4 through the tempered glass plate 5, and the photovoltaic cell assembly 4 converts ultraviolet, visible, and near-infrared light waves in the solar spectrum into electrical energy, and the excess heat in the sunlight first gathers on the black photovoltaic backplane 3, then absorbed by the aluminum plate 101 of the aluminum inflatable heat exchange plate 1, and finally absorbed by the circulating working fluid in the flow channel 102 of the aluminum inflatable heat exchange plate 1.
  • the tempered glass plate is used to protect the photovoltaic cells and reduce the convective heat loss between the components and the air; the black photovoltaic backplane is used to absorb solar heat and prevent leakage of photovoltaic cells;
  • the aluminum inflatable heat exchange plate 1 is composed of a honeycomb heat exchange flow channel 101, an aluminum plate 102, a circulating working medium inlet 103, and a circulating working medium outlet 104.
  • the aluminum plate 102 of the honeycomb flow channel 101 carved by the graphite printing method is processed by welding, hot rolling, annealing and cooling, double-sided inflation, etc., and finally the circulating working medium inlet 103 is made by brazing or argon arc welding technology. And the circulating working medium outlet 104 is welded to the aluminum plate formed by blowing.
  • the honeycomb flow channel 101 increases the turbulence of the internal circulating working fluid, improves the heat absorption capacity, greatly reduces the temperature of the photovoltaic cell, and further improves the electrical efficiency of the photovoltaic cell.
  • the double-sided inflation increases the mass flow rate of the circulating working fluid in the heat exchange flow channel and improves the heat output capacity.
  • the photovoltaic cell assembly 4 is composed of a photovoltaic cell 401 and a busbar 402.
  • the type of the photovoltaic cell 401 includes monocrystalline silicon, polycrystalline silicon, amorphous silicon, etc., and a plurality of photovoltaic cells
  • the slices 401 are connected in series through the confluence belt 402, and the solar photovoltaic effect is used to convert light energy into electrical energy.

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  • Photovoltaic Devices (AREA)

Abstract

一种蜂窝型流道双面吹胀式PVT组件，自下而上由铝制吹胀式换热板（1）、EVA胶膜（2）、黑色光伏背板（3）、EVA胶膜（2）、光伏电池片组件（4）、EVA胶膜（2）、钢化玻璃板（5）组成，铝制吹胀式换热板（1）、黑色光伏背板（3）、光伏电池片组件（4）、钢化玻璃板（5）靠EVA胶膜（2）在高温下层压粘结，并用铝合金边框封装成型。该组件在产电的同时能够产热，产热的过程又降低了光伏电池片的温度，进而提高了光伏电池片的电效率。蜂窝型流道双面式换热板增大内部循环工质的湍流度，提高了铝制双面吹胀式换热板的吸热能力，较大程度地降低了光伏电池片的温度，进一步提高了光伏电池片的电效率。该组件对太阳能进行了深度开发利用，提高了太阳能利用的热电效率。

Description

蜂窝型流道双面吹胀式PVT组件 技术领域
本发明属于太阳能利用技术领域，特别是一种蜂窝型流道双面吹胀式PVT组件。
 背景技术
太阳能是世界上最大的、利用最广的可再生能源，与其他能源相比较，它具有能量巨大、使用无污染等优点，开发利用太阳能以及提高能源利用率成为太阳能利用领域的热点问题。在该领域，主要的技术为太阳能光伏技术和太阳能光热技术，其中太阳能光伏技术是通过光伏效应将光能转换成电能加以利用；太阳能光热技术是将太阳能收集并转换成热能加以利用。但太阳能光伏技术将部分太阳能转换为光伏余热而散失到环境中，造成了太阳能的浪费，此外，光伏板在阳光长时间照射后，温度升高，发电效率下降，并且高温还会损伤光伏板致使其寿命减少；而太阳能光热技术在太阳能向热能转换过程中，由于太阳能和热能之间品味差较大，光热转换过程不可逆损失较大。
 技术问题
本发明的目的在于对太阳能进行深度开发，提高太阳能的综合利用率。
 技术解决方案
一种蜂窝型流道双面吹胀式PVT组件，主要由铝制吹胀式换热板1、黑色光伏背板3、光伏电池片组件4、钢化玻璃板5组成，四者间通过EVA胶膜2在高温下层压粘结在一起，并用铝合金边框封装成型。
所述的铝制吹胀式换热板1，主要由蜂窝型换热流道101、铝板102、循环工质入口103和循环工质出口104构成；蜂窝型换热流道101整体呈蛇型结构，其两端分别为循环工质入口103和循环工质出口104；蜂窝型换热流道101由刻制有蜂窝状的铝板102双面吹胀而成；铝制吹胀式换热板1内部流道中的循环工质吸收黑色光伏背板上集聚的太阳能，进而实现热能的输出。
所述的铝制吹胀式换热板1，其流道是蜂窝型，增大内部循环工质的湍流度，提高了吸热能力，较大程度地降低了光伏电池片的温度，进一步提高了光伏电池片的电效率。
所述的铝制吹胀式换热板1是双面吹胀，增大了换热流道内循环工质的质量流量，提高了热能输出能力；
所述的黑色光伏背板，用于吸收太阳热能以及防止光伏电池片漏电；
所述的光伏电池片组件，由72片电池片经汇流带串接起来，利用太阳能光生伏特效应将光能转换为电能；
所述的光伏电池片组件，单个光伏电池片的类型包括单晶硅、多晶硅、非晶硅等；
所述的钢化玻璃板，用于保护光伏电池片、减少组件与空气的对流换热损失。
 有益效果
本发明对太阳能的光和热进行利用，能源利用率高；
本发明可作为热泵系统的蒸发器，为太阳能热泵工程的应用提高基础换热组件；
本发明中的蜂窝型流道强化了组件的换热能力；
本发明中的双面吹胀技术增大了组件的产热能力；
本发明在产电的同时能够产热，产热的过程又降低了光伏电池片的温度，进而提高了光伏电池片的电效率。
本发明可应用于建筑外表皮，为太阳能光伏光热建筑一体化提供基本元件。
 附图说明
图1为本发明蜂窝型流道双面吹胀式PVT组件层间结构图；
图2为本发明铝制双面吹胀式换热板蜂窝型流道示意图；
图3为本发明组件电池片排布图。
图中标号：1-铝制双面吹胀式换热板，2-EVA胶膜，3-黑色光伏背板，4-光伏电池片组件，5-钢化玻璃板，101-蜂窝型换热流道，102-铝板，103-循环工质入口，104-循环工质出口，401-光伏电池片，402-汇流带。
 本发明的实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
如图1所示，该实施例中，蜂窝型流道双面吹胀式PVT组件，由铝制吹胀式换热板1、黑色光伏背板3、光伏电池片组件4、钢化玻璃板5组成，所述的铝制吹胀式换热板1、黑色光伏背板3、光伏电池片组件4、钢化玻璃板5靠所述的EVA胶膜2在高温下层压粘结在一起，并用铝合金边框封装成型。太阳光透过钢化玻璃板5照射到光伏电池片组件4上，光伏电池片组件4将太阳能光谱中紫外、可见、近红外光波转化为电能，太阳光中多余的热量先集聚在黑色光伏背板3上，再被铝制吹胀式换热板1的铝板101吸收，最后被铝制吹胀式换热板1的流道102内的循环工质吸收。钢化玻璃板，用于保护光伏电池片、减少组件与空气的对流换热损失；黑色光伏背板用于吸收太阳热能以及防止光伏电池片漏电；
如图2所示，该实施例中，铝制吹胀式换热板1，由蜂窝型换热流道101，铝板102，循环工质入口103，循环工质出口104构成，通过两块由石墨印刷法刻制好蜂窝型流道101的铝板102经焊接、热轧、退火冷却、双面吹胀等工艺流程加工而成，最后再通过钎焊或氩弧焊技术将循环工质入口103和循环工质出口104焊接到吹胀而成的铝板上。蜂窝型流道101增大内部循环工质的湍流度，提高了吸热能力，较大程度地降低了光伏电池片的温度，进一步提高了光伏电池片的电效率。双面吹胀增大了换热流道内循环工质的质量流量，提高了热能输出能力。
如图3所示，该实施例中，光伏电池片组件4，由光伏电池片401和汇流带402组成，光伏电池片401的类型包括单晶硅、多晶硅、非晶硅等，多个光伏电池片401经汇流带402串接起来，利用太阳能光生伏特效应将光能转换为电能。
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。

Claims (2)

  1. 一种蜂窝型流道双面吹胀式PVT组件，其特征在于，该蜂窝型流道双面吹胀式PVT组件主要由铝制吹胀式换热板（1）、黑色光伏背板（3）、光伏电池片组件（4）、钢化玻璃板（5）组成，四者间通过EVA胶膜（2）在高温下层压粘结在一起，并用铝合金边框封装成型；
    所述的铝制吹胀式换热板（1），主要由蜂窝型换热流道（101）、铝板（102）、循环工质入口（103）和循环工质出口（104）构成；蜂窝型换热流道（101）整体呈蛇型结构，其两端分别为循环工质入口（103）和循环工质出口（104）；蜂窝型换热流道（101）由刻制有蜂窝状的铝板（102）双面吹胀而成；铝制吹胀式换热板（1）内部流道中的循环工质吸收黑色光伏背板（3）上集聚的太阳能，进而实现热能的输出；
    所述的黑色光伏背板（3），用于吸收太阳热能以及防止光伏电池片漏电；
    所述的光伏电池片组件（4），由72片电池片经汇流带串接起来，利用太阳能光生伏特效应将光能转换为电能；
    所述的钢化玻璃板（5），用于保护光伏电池片组件（4）、减少光伏电池片组件（4）与空气的对流换热损失。
  2. 根据权利要求1所述的蜂窝型流道双面吹胀式PVT组件，其特征在于，所述的光伏电池片组件（4）中单个光伏电池片为单晶硅、多晶硅或非晶硅。
PCT/CN2021/115855 2021-05-19 2021-09-01 蜂窝型流道双面吹胀式 pvt 组件 Ceased WO2022241971A1 (zh)

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CN113054905A (zh) * 2021-04-19 2021-06-29 上海交通大学 一种分区设计均温光伏光热组件
CN113270513A (zh) * 2021-05-19 2021-08-17 大连理工大学 蜂窝型流道双面吹胀式pvt组件
CN114629432A (zh) * 2022-03-01 2022-06-14 上海交通大学 一种背出管多片直膨式pvt组件
CN115458620A (zh) * 2022-09-05 2022-12-09 大连理工大学 仿生水滴型流道pvt组件

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