CN107294491A - Photovoltaic and photothermal integral component and preparation method - Google Patents
Photovoltaic and photothermal integral component and preparation method Download PDFInfo
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- 238000002360 preparation method Methods 0.000 title claims abstract 4
- 239000011521 glass Substances 0.000 claims abstract description 66
- 238000004806 packaging method and process Methods 0.000 claims abstract description 9
- 238000010030 laminating Methods 0.000 claims abstract 2
- 238000007789 sealing Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 238000009413 insulation Methods 0.000 description 7
- 238000005538 encapsulation Methods 0.000 description 5
- 239000002313 adhesive film Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000013529 heat transfer fluid Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 239000005394 sealing glass Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000013082 photovoltaic technology Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
Classifications
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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
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/40—Thermal components
- H02S40/44—Means to utilise heat energy, e.g. hybrid systems producing warm water and electricity at the same time
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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
- H10F19/807—Double-glass encapsulation, e.g. photovoltaic cells arranged between front and rear glass sheets
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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
- 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
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- Photovoltaic Devices (AREA)
Abstract
Description
技术领域technical field
本发明主要涉及光伏技术领域，特指一种光伏光热一体化组件及制作方法。The invention mainly relates to the field of photovoltaic technology, in particular to a photovoltaic photothermal integrated component and a manufacturing method.
背景技术Background technique
常规光伏组件在产生电能同时，因转换效率限制，部分光能会被转换为热能未被收集而浪费。常规光伏光热一体化组件通过在常规光伏组件前后增加保温、换（集）热、光热转换结构来达到收集和增加热量输出的目的。通常具有结构复杂，生产工艺繁琐问题。如常规双玻太阳能光伏组件结构如图1所示，上封装胶膜12和下封装胶膜14将电池片13熔融后，密封安装于前封装玻璃11和后封装玻璃15之间形成的间隙内；另外目前常规光伏光热一体化组件剖面结构如图2所示，在常规光伏组件1的上表面增加一层中空保温层2以及在背面增加由吸热板31，热交换层32及保温胶棉33组成的换热器3。由于常规光伏光热一体化结构复杂，存在加工难度较大，批量规模化生产工艺繁琐等问题。When conventional photovoltaic modules generate electricity, due to the limitation of conversion efficiency, part of the light energy will be converted into heat energy without being collected and wasted. Conventional photovoltaic photothermal integrated modules achieve the purpose of collecting and increasing heat output by adding heat preservation, heat exchange (collection) and photothermal conversion structures before and after conventional photovoltaic modules. It usually has the problems of complex structure and cumbersome production process. As shown in Figure 1 for the structure of a conventional double-glass solar photovoltaic module, the upper encapsulation film 12 and the lower encapsulation film 14 fuse the cells 13 and seal them in the gap formed between the front encapsulation glass 11 and the rear encapsulation glass 15 In addition, the cross-sectional structure of the current conventional photovoltaic photothermal integrated module is shown in Figure 2, and a layer of hollow insulation layer 2 is added on the upper surface of the conventional photovoltaic module 1, and a heat absorbing plate 31, a heat exchange layer 32 and thermal insulation glue are added on the back. The heat exchanger 3 that cotton 33 forms. Due to the complex structure of conventional photovoltaic photothermal integration, there are problems such as difficult processing and cumbersome mass production process.
发明内容Contents of the invention
本发明要解决的技术问题就在于：针对现有技术存在的技术问题，本发明提供一种结构简单、加工方便、转换效率高的光伏光热一体化组件，并相应提供一种光伏光热一体化组件的制作方法。The technical problem to be solved by the present invention is: aiming at the technical problems existing in the prior art, the present invention provides a photovoltaic photothermal integrated module with simple structure, convenient processing and high conversion efficiency, and correspondingly provides a photovoltaic photothermal integrated module. How to make components.
为解决上述技术问题，本发明提出的技术方案为：In order to solve the problems of the technologies described above, the technical solution proposed by the present invention is:
一种光伏光热一体化组件，包括光伏组件，所述光伏组件的正面与背面均设置有真空玻璃层，所述光伏组件的正面或/和背面的真空玻璃层与光伏组件之间设置有传热流动层。A photovoltaic photothermal integrated assembly, including a photovoltaic assembly, the front and back of the photovoltaic assembly are provided with a vacuum glass layer, and the front or/and back of the photovoltaic assembly is provided with a transmission line between the vacuum glass layer and the photovoltaic assembly thermal flow layer.
作为上述技术方案的进一步改进：As a further improvement of the above technical solution:
所述真空玻璃层包括两片以上的玻璃，相邻玻璃周边密封，且相邻玻璃之间形成真空密封空腔。The vacuum glass layer includes two or more pieces of glass, the peripheries of adjacent glasses are sealed, and a vacuum-tight cavity is formed between adjacent glasses.
所述传热流动层包括前玻璃，所述前玻璃与真空玻璃层之间形成用于供传热工质流动的传热空腔。The heat transfer flow layer includes a front glass, and a heat transfer cavity for flow of heat transfer working fluid is formed between the front glass and the vacuum glass layer.
所述真空玻璃层与传热流动层为一体化结构。The vacuum glass layer and the heat transfer flow layer are an integrated structure.
本发明还公开了一种如上所述的光伏光热一体化组件的制作方法，步骤为：The present invention also discloses a method for manufacturing the photovoltaic photothermal integrated module as described above, the steps are:
S01、将传热流动层敷设在光伏组件的一侧或两侧；S01, laying the heat transfer flow layer on one or both sides of the photovoltaic module;
S02、将真空玻璃层敷设在光伏组件的两侧；S02, laying the vacuum glass layer on both sides of the photovoltaic module;
S03、层压封装。S03. Laminated packaging.
作为上述技术方案的进一步改进：As a further improvement of the above technical solution:
在步骤S01中，当所述光伏组件为双面发电光伏组件时，在光伏组件的两侧均敷设传热流动层。In step S01, when the photovoltaic module is a double-sided power generation photovoltaic module, a heat transfer fluid layer is laid on both sides of the photovoltaic module.
与现有技术相比，本发明的优点在于：Compared with the prior art, the present invention has the advantages of:
本发明的光伏光热一体化组件，在光伏组件的正面和背面均设置有真空玻璃层，能够有较好的绝热效果，且可以做的很薄；传热流动层则安装于光伏组件与真空玻璃层之间，能够有效的将太阳光能量转换的热能进行吸收，提高转换效率。本发明的光伏光热一体化组件的制作方法工艺简单成熟、操作简便且成品率高。In the photovoltaic photothermal integrated module of the present invention, a vacuum glass layer is provided on the front and back of the photovoltaic module, which can have a good heat insulation effect and can be made very thin; the heat transfer flow layer is installed between the photovoltaic module and the vacuum Between the glass layers, the heat energy converted from sunlight can be effectively absorbed to improve the conversion efficiency. The manufacturing method of the photovoltaic photothermal integrated module of the present invention is simple and mature in technology, easy to operate and high in yield.
附图说明Description of drawings
图1为现有常规双玻太阳能光伏组件的结构示意图。Figure 1 is a schematic structural view of an existing conventional double-glass solar photovoltaic module.
图2为现有光伏光热一体化组件的剖面图。Fig. 2 is a cross-sectional view of an existing photovoltaic-thermal integrated module.
图3为本发明的剖面图。Fig. 3 is a sectional view of the present invention.
图4为本发明中真空玻璃的剖面图。Fig. 4 is a cross-sectional view of vacuum glass in the present invention.
图5为本发明中真空玻璃层和传热流动层一体化的剖面图。Fig. 5 is a sectional view of the integration of the vacuum glass layer and the heat transfer flow layer in the present invention.
图中标号表示：1、光伏组件；11、前封装玻璃；12、上封装胶膜；13、电池片；14、下封装胶膜；15、后封装玻璃；2、中空保温层；3、换热器；31、吸热板；32、热交换层；33、保温胶棉；4、真空玻璃层；5、传热流动层；51、前玻璃。The numbers in the figure indicate: 1. Photovoltaic module; 11. Front sealing glass; 12. Upper sealing film; 13. Cell; 14. Lower sealing film; 15. Rear sealing glass; 2. Hollow insulation layer; 3. Heater; 31, heat absorbing plate; 32, heat exchange layer; 33, thermal insulation collodion; 4, vacuum glass layer; 5, heat transfer flow layer; 51, front glass.
具体实施方式detailed description
以下结合说明书附图和具体实施例对本发明作进一步描述。The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
如图3至5所示，本实施例的光伏光热一体化组件，包括光伏组件1，光伏组件1的正面与背面均设置有真空玻璃层4，光伏组件1的正面或/和背面的真空玻璃层4与光伏组件1之间设置有传热流动层5。本发明的光伏光热一体化组件，在光伏组件1的一侧设置有真空玻璃层4，能够有较好的绝热效果，且可以做的很薄；传热流动层5则安装于光伏组件1与真空玻璃层4之间，能够有效的将太阳光能量转换的热能进行吸收，提高转换效率；而且结构简单、易于实现。As shown in Figures 3 to 5, the photovoltaic photothermal integrated assembly of this embodiment includes a photovoltaic assembly 1, the front and back of the photovoltaic assembly 1 are provided with a vacuum glass layer 4, the front or/and back of the photovoltaic assembly 1 are vacuum A heat transfer flow layer 5 is arranged between the glass layer 4 and the photovoltaic module 1 . In the photovoltaic photothermal integrated module of the present invention, a vacuum glass layer 4 is provided on one side of the photovoltaic module 1, which can have a better heat insulation effect and can be made very thin; the heat transfer flow layer 5 is installed on the photovoltaic module 1 Between it and the vacuum glass layer 4 , the heat energy converted from sunlight can be effectively absorbed to improve the conversion efficiency; and the structure is simple and easy to realize.
本实施例中，真空玻璃层4包括两片以上的玻璃，相邻玻璃周边密封且中间通过支撑结构进行支撑，且相邻玻璃之间形成真空密封空腔（空腔高度约为0.1～0.2mm），起到良好的绝热效果。由于真空的绝热效果，玻璃可以做的很薄。其中传热流动层5包括前玻璃51，前玻璃51与真空玻璃层4之间形成用于供传热工质流动的传热空腔；而且由于真空玻璃层4的存在，传热工质收集的热能不会传递到外界空气中。In this embodiment, the vacuum glass layer 4 includes more than two pieces of glass, the adjacent glass is sealed around and supported by a support structure in the middle, and a vacuum-sealed cavity is formed between adjacent glasses (the height of the cavity is about 0.1-0.2mm ), have a good thermal insulation effect. Due to the insulating effect of the vacuum, the glass can be made very thin. Wherein the heat transfer flow layer 5 includes a front glass 51, and a heat transfer cavity for the flow of the heat transfer working medium is formed between the front glass 51 and the vacuum glass layer 4; and due to the existence of the vacuum glass layer 4, the heat transfer working medium is collected The heat energy will not be transferred to the outside air.
本实施例中，光伏组件1包括上封装胶膜12、下封装胶膜14和电池片13，电池片13熔融于上封装胶膜12和下封装胶膜14之间，密封安装于两层真空玻璃层4之间形成的密封空腔内。太阳光从真空玻璃层4表面照射到上封装胶膜12上面并透射过去后，照到电池片13上，一部分太阳光能量被转化为电能并被输出供用户使用；另一部分太阳光能量被转换为热能被在传热流动层5内流动的传热工质吸收，收集并导出供用户使用。In this embodiment, the photovoltaic module 1 includes an upper packaging adhesive film 12, a lower packaging adhesive film 14, and a battery sheet 13. The battery sheet 13 is melted between the upper packaging adhesive film 12 and the lower packaging adhesive film 14, and is sealed and installed in two layers of vacuum. In the sealed cavity formed between the glass layers 4. Sunlight irradiates from the surface of the vacuum glass layer 4 onto the upper encapsulation film 12 and passes through, and then shines on the battery sheet 13, a part of the solar energy is converted into electrical energy and output for use by users; the other part of the solar energy is converted The thermal energy is absorbed by the heat transfer fluid flowing in the heat transfer flow layer 5, collected and exported for use by users.
本发明的光伏光热一体化组件，真空玻璃层4和传热流动层5可为一体化结构。本发明的光伏光热一体化组件用轻薄真空玻璃（高透光真空玻璃、真空玻璃、带有传热流动层5的真空玻璃或高透光带有流动层的真空玻璃）取代传统光伏组件1的前后封装材料（超白钢化玻璃及封装背板），且采用成熟光伏组件1生产设备进行光伏光热一体化组件制作，结构及工艺简单。In the photovoltaic photothermal integrated module of the present invention, the vacuum glass layer 4 and the heat transfer flow layer 5 can be an integrated structure. The photovoltaic photothermal integrated module of the present invention replaces the traditional photovoltaic module 1 with light and thin vacuum glass (high light transmission vacuum glass, vacuum glass, vacuum glass with heat transfer fluidized layer 5 or high light transmission vacuum glass with fluidized layer) Advanced front and rear packaging materials (ultra-clear tempered glass and packaging backplane), and mature photovoltaic module1 production equipment for photovoltaic photothermal integrated module production, simple structure and process.
本实施例中，当光伏组件1的电池片13为普通电池片13时，电池片13的正面和背面（即受光面和背光面）的真空玻璃层4可以为以下几种情况：In this embodiment, when the battery sheet 13 of the photovoltaic module 1 is an ordinary battery sheet 13, the vacuum glass layer 4 on the front and back sides of the battery sheet 13 (that is, the light-receiving surface and the backlight surface) can be in the following situations:
1、电池片13受光面为高透光真空玻璃，电池片13背面带有传热流动层5的真空玻璃层4；1. The light-receiving surface of the battery sheet 13 is made of high light-transmitting vacuum glass, and the back of the battery sheet 13 has a vacuum glass layer 4 with a heat transfer fluid layer 5;
2、电池片13受光面为高透光带传热层的真空玻璃层4，电池片13背面为带有传热流动层5的真空玻璃层4；2. The light-receiving surface of the battery sheet 13 is a vacuum glass layer 4 with high light transmission and a heat transfer layer, and the back of the battery sheet 13 is a vacuum glass layer 4 with a heat transfer fluid layer 5;
3、电池片13受光面为高透光带传热层的真空玻璃层4，电池片13背面为真空玻璃层4；3. The light-receiving surface of the battery sheet 13 is a vacuum glass layer 4 with high light transmission and a heat transfer layer, and the back of the battery sheet 13 is a vacuum glass layer 4;
当光伏组件1的电池片13为双面发电电池时，电池片13的主受光面为高透光带传热流动层5的真空玻璃层4，电池片13的次受光面为高透光带传热流动层5的真空玻璃层4。When the battery sheet 13 of the photovoltaic module 1 is a double-sided power generation cell, the main light-receiving surface of the battery sheet 13 is the vacuum glass layer 4 of the heat transfer flow layer 5 with a high light transmission belt, and the secondary light receiving surface of the battery sheet 13 is a high light transmission belt. The vacuum glass layer 4 of the heat transfer flow layer 5 .
本发明还相应公开了一种如上所述的光伏光热一体化组件的制作方法，步骤为：The present invention also correspondingly discloses a method for manufacturing the photovoltaic photothermal integrated module as described above, the steps are:
S01、将传热流动层5敷设在光伏组件1的一侧或两侧；S01, laying the heat transfer flow layer 5 on one side or both sides of the photovoltaic module 1;
S02、将真空玻璃层4敷设在光伏组件1的两侧；S02, laying the vacuum glass layer 4 on both sides of the photovoltaic module 1;
S03、层压封装。S03. Laminated packaging.
在步骤S01中，当光伏组件1为双面发电光伏组件1时，在光伏组件1的两侧均敷设传热流动层5。In step S01 , when the photovoltaic module 1 is a double-sided photovoltaic module 1 , a heat transfer flow layer 5 is laid on both sides of the photovoltaic module 1 .
虽然本发明已以较佳实施例揭露如上，然而并非用以限定本发明。任何熟悉本领域的技术人员，在不脱离本发明技术方案范围的情况下，都可利用上述揭示的技术内容对本发明技术方案做出许多可能的变动和修饰，或修改为等同变化的等效实施例。因此，凡是未脱离本发明技术方案的内容，依据本发明技术实质对以上实施例所做的任何简单修改、等同变化及修饰，均应落在本发明技术方案保护的范围内。Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Any person familiar with the art, without departing from the scope of the technical solution of the present invention, can use the technical content disclosed above to make many possible changes and modifications to the technical solution of the present invention, or modify it into an equivalent implementation of equivalent changes example. Therefore, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention shall fall within the protection scope of the technical solution of the present invention.
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| CN203744567U (en) * | 2013-10-28 | 2014-07-30 | 重庆奥普太阳能热水器有限责任公司 | Solar water heater capable of generating electricity |
| CN203950822U (en) * | 2014-07-03 | 2014-11-19 | 珠海兴业绿色建筑科技有限公司 | A kind ofly take the photovoltaic and photothermal integral assembly that vacuum glass is backboard |
| CN105119570A (en) * | 2015-07-20 | 2015-12-02 | 安徽灿邦电气有限公司 | Vacuum solar photovoltaic-thermal integrated assembly |
| CN105552152A (en) * | 2016-02-29 | 2016-05-04 | 珠海格力电器股份有限公司 | Photovoltaic module, photovoltaic photothermal integrated module and manufacturing method thereof |
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