WO2015062495A1 - Wide-array pattern light-gathering assembly - Google Patents

Wide-array pattern light-gathering assembly Download PDF

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Publication number
WO2015062495A1
WO2015062495A1 PCT/CN2014/089767 CN2014089767W WO2015062495A1 WO 2015062495 A1 WO2015062495 A1 WO 2015062495A1 CN 2014089767 W CN2014089767 W CN 2014089767W WO 2015062495 A1 WO2015062495 A1 WO 2015062495A1
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WIPO (PCT)
Prior art keywords
light
concentrating
glass
gathering
wide
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Ceased
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PCT/CN2014/089767
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French (fr)
Chinese (zh)
Inventor
李敬宇
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JIAOZUO SUCCEED NEW ENERGY Co Ltd
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JIAOZUO SUCCEED NEW ENERGY Co Ltd
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Publication of WO2015062495A1 publication Critical patent/WO2015062495A1/en
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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
    • H10F77/00—Constructional details of devices covered by this subclass
    • H10F77/40—Optical elements or arrangements
    • H10F77/42—Optical elements or arrangements directly associated or integrated with photovoltaic cells, e.g. light-reflecting means or light-concentrating means
    • H10F77/488—Reflecting light-concentrating means, e.g. parabolic mirrors or concentrators using total internal reflection
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0009—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0038—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with ambient light
    • G02B19/0042—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with ambient light for use with direct solar radiation
    • 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
    • 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
    • H10F10/00—Individual photovoltaic cells, e.g. solar cells
    • H10F10/10—Individual photovoltaic cells, e.g. solar cells having potential barriers
    • H10F10/14—Photovoltaic cells having only PN homojunction potential barriers
    • 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
    • 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
    • H10F77/10—Semiconductor bodies
    • H10F77/14—Shape of semiconductor bodies; Shapes, relative sizes or dispositions of semiconductor regions within semiconductor bodies
    • H10F77/147—Shapes of bodies
    • 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
    • H10F77/40—Optical elements or arrangements
    • H10F77/42—Optical elements or arrangements directly associated or integrated with photovoltaic cells, e.g. light-reflecting means or light-concentrating means
    • H10F77/484—Refractive light-concentrating means, e.g. lenses
    • 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
    • Y02E10/52—PV systems with concentrators
    • 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
    • Y02E10/547—Monocrystalline silicon PV cells

Definitions

  • the invention belongs to the technical field of solar photovoltaic modules, and in particular relates to a wide combined flower concentrating assembly.
  • Solar energy is a clean and renewable new energy source. It is more and more popular among people. It has a wide range of functions in people's lives and work. One of them is to convert solar energy into electricity.
  • the main components of photovoltaic modules produced by photovoltaic module companies at home and abroad include: package cover glass, EVA film, solar cell sheet, EVA film, TPT back sheet, etc., some of the above components are laminated by heat lamination,
  • the package is formed in an aluminum frame to form a photovoltaic component.
  • the above-mentioned photovoltaic module encapsulating cover glass mainly adopts a solar photovoltaic glass with a small flower shape formed on the surface thereof, and the surface of the glass is a fine flower pattern such as a suede, a hexagonal shape, a quadrangular shape, etc., and the flower shape depth is generally 0.3 mm or less, and the pattern is suppressed.
  • silicon wafer as the main packaging material of solar photovoltaic cells, is the main raw material of solar photovoltaic cells, but also the main cost In one part, the amount of silicon wafer directly affects the cost and sales price of solar photovoltaic cells, and the cost of solar photovoltaic cells will affect the application of solar photovoltaic power generation. If the silicon wafer in solar photovoltaic cells is reduced, the power is generated. Without reduction, the manufacturing cost of solar photovoltaic cells will be greatly reduced.
  • the object of the present invention is to solve the above technical problems existing in the prior art and to provide a wide combined flower concentrating assembly.
  • the wide combined flower concentrating assembly of the invention comprises a back sheet, an EVA film, a silicon sheet and a glass substrate (that is, a photovoltaic module having a conventional structure), and a light collector is arranged on the glass substrate, above the light collector It has a glass cover.
  • the light collector is composed of a concentrator and a bracket. Both ends of the concentrator are erected and fixed on the bracket, the concentrator includes a concentrator body, and at least three concentrating portions are disposed on the concentrator body.
  • the top surface of the concentrating portion is a flat surface, and a stepped groove is disposed between the concentrating portions.
  • the bracket is provided with a triangular protrusion, and the triangular protrusion is positioned by matching with the flower pattern under the glass cover plate, and the concentrator is positioned by the glue bonding and the glass substrate.
  • the glass cover plate adopts a combined flower-type concentrating photovoltaic glass, the top surface is a plane, and the bottom surface is composed of several groups of concentrating units, each concentrating unit is composed of a plurality of cylinders and a central cylinder surface, and the central cylinder surface There is a groove, and the center line of the center cylinder is the center line of the concentrating unit, and the cylinder surface is symmetrical with respect to the center line of the concentrating unit.
  • the bottom of the groove on the center cylinder surface is a curved surface, and each concentrating unit is composed of six cylinders and a central cylinder, and the cylinder surface is symmetrical with respect to the center line of the concentrating unit.
  • the wide combined flower type concentrating photovoltaic glass of the invention can adopt the patented product of the company (patent number: ZL201220143908.4), the glass side is composed of several groups of concentrating units, and one concentrating unit is composed of several cylindrical surfaces or sawtooth structures. Actual production can adjust the width of the concentrating unit and the height of the pattern as needed.
  • the concentrating multiple of the concentrating glass can be adjusted to produce different concentrating photovoltaic glass (glass length, width, thickness, etc.) and the other side is flat;
  • the light collector of the present invention may be composed of a concentrator and a support, and may be formed into a unitary structure or a split structure.
  • the concentrator may be made of a transparent material, such as polymethyl methacrylate (acrylic), polyolefin material, glass, etc., and the material is not limited to the above; in the present invention, the package cover can be made of 2 mm to 6 mm thick glass, and the glass can be used. Embossed glass or embossed glass.
  • the back plate can be a TPT back plate or a glass.
  • the wide combined flower concentrating assembly of the invention can be packaged in an aluminum frame, and a sealing glue is added between the aluminum frame and the concentrating assembly; the aluminum frames are connected by screws.
  • the light collector and the glass substrate can be positioned by adhesive bonding, and the light collector and the wide combined flower-type concentrated photovoltaic glass are positioned by the triangular protrusions.
  • the invention adds a wide combined concentrating flower glass and a light collector on the traditional component structure, first collects the sunlight by using the wide combined flower glass, and then uses the light collector to collect the light twice and then uniformly falls below.
  • the light can be gathered into several beam strips, and only a corresponding number of silicon wafers are disposed on the beam strip, which greatly reduces the use of the silicon wafer, improves the utilization of sunlight per unit area, and reduces the cost.
  • FIG. 1 is a schematic view showing the appearance of a photovoltaic module of the present invention.
  • Figure 2 is a cross-sectional view taken along line B-B of Figure 1;
  • Figure 3 is a partially enlarged schematic view of a portion A of Figure 2.
  • Figure 4 is a plan view of a concentrator in the present invention.
  • Figure 5 is a cross-sectional view taken along line C-C of Figure 3;
  • Figure 6 is a schematic view showing the structure of a concentrator holder in the present invention.
  • the wide combined flower concentrating assembly of the invention comprises a backing plate 9, an EVA film 11, a silicon wafer 10 and a glass substrate 8 (the above combination is a photovoltaic module having a conventional structure), and a light collector is arranged on the glass substrate A glass cover 4 is arranged above the light collector.
  • the light collector is composed of a concentrator 6 and a bracket 7.
  • the two ends of the concentrator 6 are erected and fixed on the bracket 7.
  • the concentrator includes a concentrator body, and at least three are disposed on the concentrator body.
  • the concentrating portion 6-1 has a top surface of the concentrating portion as a plane, and a stepped groove 6-2 is provided between the condensing portions.
  • the light collectors of the present invention are preferably arranged in groups, each set of light collectors being composed of two light ray collectors that are bilaterally symmetrical.
  • the bracket is provided with a triangular protrusion 7-1, and the triangular protrusion is matched with the flower pattern under the glass cover plate. Positioning, the concentrator is positioned by the adhesive bonding with the glass substrate.
  • the glass cover plate adopts a combined flower-type concentrating photovoltaic glass, the top surface is a plane, and the bottom surface is composed of several groups of concentrating units, each concentrating unit is composed of a plurality of cylinders and a central cylinder surface, and the central cylinder surface There is a groove, and the center line of the center cylinder is the center line of the concentrating unit, and the cylinder surface is symmetrical with respect to the center line of the concentrating unit.
  • the bottom of the groove on the center cylinder surface is a curved surface, and each concentrating unit is composed of six cylinders and a central cylinder, and the cylinder surface is symmetrical with respect to the center line of the concentrating unit.
  • the wide combined flower type concentrating photovoltaic glass of the invention can adopt the patented product of the company (patent number: ZL201220143908.4), the glass side is composed of several groups of concentrating units, and one concentrating unit is composed of several cylindrical surfaces or sawtooth structures. Actual production can adjust the width of the concentrating unit and the height of the pattern as needed.
  • the concentrating multiple of the concentrating glass can be adjusted to produce different concentrating photovoltaic glass (glass length, width, thickness, etc.) and the other side is flat;
  • the light collector of the present invention may be composed of a concentrator and a support, and may be formed into a unitary structure or a split structure.
  • the concentrator may be made of a transparent material, such as polymethyl methacrylate (acrylic), polyolefin material, glass, etc., and the material is not limited to the above; in the present invention, the package cover can be made of 2 mm to 6 mm thick glass, and the glass can be used. Embossed glass or embossed glass.
  • the back plate can be a TPT back plate or a glass.
  • the wide combined flower concentrating assembly of the invention can be packaged in the aluminum frame 1 , and the sealing glue 5 is filled between the aluminum frame and the concentrating assembly; the aluminum frames are connected by screws.
  • the light collector and the glass substrate can be positioned by adhesive bonding, and the light collector and the wide combined flower-type concentrated photovoltaic glass are positioned by the triangular protrusions.
  • the novel concentrating photovoltaic module of the invention has a wide combined flower concentrating photovoltaic glass 4, which has been patented and authorized by the company, patent number ZL201220143908.4, and one side of the glass is composed of several groups of concentrating units, one The concentrating unit is composed of a plurality of cylindrical surfaces or a sawtooth structure, and the other surface is a plane. In the present invention, the plane is on the top, the pattern is on the bottom (ie, close to the silicon wafer); below the wide combination pattern concentrating photovoltaic glass 4 is a light collector, and the light collector is composed of the concentrator 6 and the bracket 7, the light collection Below the device is a photovoltaic module having a conventional structure.
  • the photovoltaic module having the conventional structure is composed of a glass 8, a silicon wafer 10, a back plate 9, and an EVA film 11.
  • the light collector bracket 7 is provided with a triangular protrusion, a triangular protrusion passing through and a width.
  • the flower pattern of the combined flower concentrating photovoltaic glass 4 is matched and positioned, and the concentrator 6 is bonded by the glue 12 and the glass 8 on the photovoltaic module having the traditional structure.
  • the above structure can make the wide combined flower concentrating photovoltaic glass 4, concentrating
  • the longitudinal center plane of the silicon plate 10 and the silicon wafer 10 are uniform, that is, the sunlight is allowed to pass through the concentrating unit of the wide combined flower concentrating photovoltaic glass 4, and the light completely falls on the concentrator 6, and the light passes through the concentrator 6 After the secondary aggregation, it uniformly and accurately falls on the silicon wafer 10.
  • the size of the silicon wafer 10 in the conventional structure photovoltaic module can be adjusted according to the ratio of the concentrating component.
  • a groove is arranged on the cross section of the aluminum frame 3 and 1 respectively, and the wide combined pattern concentrating photovoltaic glass 4 is matched with the upper groove, and the matching portion is filled with the elastic material and the sealant; the conventional structure photovoltaic component is matched with the groove below.
  • the mating part is filled with elastic material and sealant.
  • Figure 4-5 is a complete light collector consisting of two light symmetrical collectors, which can also be made into a whole structure.
  • the light collector is composed of a concentrator 6 and a holder 7, and the concentrator may be made of a transparent material such as polymethyl methacrylate (acrylic), polyolefin material, glass, or the like.
  • the light collector is directly under each concentrating unit of the wide combined flower concentrating photovoltaic glass 4.
  • the width can vary with the width of the concentrating unit, and the height can also be adjusted according to the adjustment, and the wide combined pattern concentrating photovoltaic glass can be collected. 4 sunlight on each concentrating unit.
  • the concentrating photovoltaic module of the invention has a plurality of small holes on the outer side of the aluminum frame (connected to the atmosphere), a long hole on the inner side (near the silicon wafer), and the aluminum frame and the concentrating assembly are sealed by the sealant 5
  • the internal air pressure balance, heat dissipation and the like can be performed, and a plurality of circular holes can be processed on the aluminum frame, and the four aluminum frames can be connected by screws, and the concentrating photovoltaic module can be packaged at the same time.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Toxicology (AREA)
  • Photovoltaic Devices (AREA)

Abstract

A wide-array pattern light-gathering assembly, comprising a back panel (9), an EVA adhesive film (11), a silicon chip (10) and a glass substrate (8), wherein a light ray collector is provided on the glass substrate (8), and a glass cover plate (4) is provided above the light ray collector; the light ray collector is composed of a light-gathering device (6) and a bracket (7), and two ends of the light-gathering device (6) are erected and fixed to the bracket (7); and the light-gathering device (6) comprises a light-gathering device body, at least three light-gathering parts (6-1) being provided on the light-gathering device body, the top surface of each light-gathering part (6-1) being a plane, and a ladder slot (6-2) being provided among the light-gathering parts (6-1). By way of adding glass with a wide-array light-gathering pattern and a light ray collector on a traditional assembly structure, in the light ray collector, firstly, sunlight is collected via the glass with the wide-array pattern once, and then light rays uniformly fall on the silicon chip which is arranged below correspondingly after being gathered secondarily by using the light ray collector, so that the light rays can be gathered into a plurality of light beam bands; and by way of arranging only a corresponding number of silicon chips on the light beam bands, the usage amount of the silicon chips is greatly reduced, the utilization rate of sunlight per unit area is increased, and the costs are reduced.

Description

宽组合花型聚光组件Wide combination flower concentrating assembly 技术领域Technical field

本发明属于太阳能光伏组件技术领域，具体涉及一种宽组合花型聚光组件。The invention belongs to the technical field of solar photovoltaic modules, and in particular relates to a wide combined flower concentrating assembly.

背景技术Background technique

太阳能是一种干净的可再生的新能源，越来越受到人们的亲睐，在人们生活、工作中有广泛的作用，其中之一就是将太阳能转换为电能。Solar energy is a clean and renewable new energy source. It is more and more popular among people. It has a wide range of functions in people's lives and work. One of them is to convert solar energy into electricity.

目前，国内外光伏组件企业生产的光伏组件，主要结构包括：封装盖板玻璃、EVA胶膜、太阳能电池片、EVA胶膜、TPT背板等组成，上述部分元件通过加热层压成为一个整体，封装在铝边框内形成光伏组件。At present, the main components of photovoltaic modules produced by photovoltaic module companies at home and abroad include: package cover glass, EVA film, solar cell sheet, EVA film, TPT back sheet, etc., some of the above components are laminated by heat lamination, The package is formed in an aluminum frame to form a photovoltaic component.

上述光伏组件中封装盖板玻璃主要采用表面成型有细小花型的太阳能光伏玻璃，玻璃表面为绒面、六角形、四角形等细小花型，花型深度一般为0.3mm以下，花型起到抑制光线反射，增加透光率的作用，但硅片使用量与玻璃使用量基本相当(从平面面积来看)，硅片作为太阳能光伏电池主要封装材料，是太阳能光伏电池的主要原材料，也是成本主要部分之一，硅片用量的多少直接影响到太阳能光伏电池的成本及销售价格，而太阳能光伏电池的成本将影响到太阳能光伏发电的应用，如果减少了太阳能光伏电池里的硅片，而发电功率没有减少，将会大幅度降低太阳能光伏电池的制造成本。The above-mentioned photovoltaic module encapsulating cover glass mainly adopts a solar photovoltaic glass with a small flower shape formed on the surface thereof, and the surface of the glass is a fine flower pattern such as a suede, a hexagonal shape, a quadrangular shape, etc., and the flower shape depth is generally 0.3 mm or less, and the pattern is suppressed. Light reflection, increasing the role of light transmittance, but the amount of silicon used is basically the same as the amount of glass used (from the plane area), silicon wafer as the main packaging material of solar photovoltaic cells, is the main raw material of solar photovoltaic cells, but also the main cost In one part, the amount of silicon wafer directly affects the cost and sales price of solar photovoltaic cells, and the cost of solar photovoltaic cells will affect the application of solar photovoltaic power generation. If the silicon wafer in solar photovoltaic cells is reduced, the power is generated. Without reduction, the manufacturing cost of solar photovoltaic cells will be greatly reduced.

发明内容Summary of the invention

本发明的目的在于解决现有技术中存在的上述技术问题，提供一种宽组合花型聚光组件。The object of the present invention is to solve the above technical problems existing in the prior art and to provide a wide combined flower concentrating assembly.

为实现上述目的，本发明采用的技术方案如下：In order to achieve the above object, the technical solution adopted by the present invention is as follows:

本发明的宽组合花型聚光组件，包括背板、EVA胶膜、硅片和玻璃基板(即为具有传统结构光伏组件)，在玻璃基板之上设有光线收集器，光线收集器上方 设有玻璃盖板。The wide combined flower concentrating assembly of the invention comprises a back sheet, an EVA film, a silicon sheet and a glass substrate (that is, a photovoltaic module having a conventional structure), and a light collector is arranged on the glass substrate, above the light collector It has a glass cover.

所述的光线收集器由聚光器和支架组成，聚光器的两端架设并固定在支架上，聚光器包括聚光器本体，在聚光器本体上设有至少三个聚光部，所述聚光部的顶面为平面，聚光部之间设有阶梯槽。The light collector is composed of a concentrator and a bracket. Both ends of the concentrator are erected and fixed on the bracket, the concentrator includes a concentrator body, and at least three concentrating portions are disposed on the concentrator body. The top surface of the concentrating portion is a flat surface, and a stepped groove is disposed between the concentrating portions.

所述支架上设置有三角形凸起，三角形凸起通过与玻璃盖板下面花型配合定位，聚光器通过胶粘接与玻璃基板定位。The bracket is provided with a triangular protrusion, and the triangular protrusion is positioned by matching with the flower pattern under the glass cover plate, and the concentrator is positioned by the glue bonding and the glass substrate.

所述的玻璃盖板宽采用组合花型聚光光伏玻璃，顶面为平面，底面由若干组聚光单元组成，每个聚光单元由若干个柱面和中心柱面组成，中心柱面上设有凹槽，中心柱面中心线为聚光单元中心线，柱面相对于聚光单元中心线对称。中心柱面上的凹槽底部为弧面，每个聚光单元由六个柱面和中心柱面组成，柱面相对于聚光单元中心线对称。The glass cover plate adopts a combined flower-type concentrating photovoltaic glass, the top surface is a plane, and the bottom surface is composed of several groups of concentrating units, each concentrating unit is composed of a plurality of cylinders and a central cylinder surface, and the central cylinder surface There is a groove, and the center line of the center cylinder is the center line of the concentrating unit, and the cylinder surface is symmetrical with respect to the center line of the concentrating unit. The bottom of the groove on the center cylinder surface is a curved surface, and each concentrating unit is composed of six cylinders and a central cylinder, and the cylinder surface is symmetrical with respect to the center line of the concentrating unit.

本发明中宽组合花型聚光光伏玻璃可采用本公司专利产品(专利号：ZL201220143908.4)，玻璃一面由若干组聚光单元组成，一个聚光单元由若干条圆柱面或锯齿结构组成，实际生产可根据需要调整聚光单元的宽度、花型高度，可以调整聚光玻璃的聚光倍数，生产出不同规格的聚光光伏玻璃(玻璃长、宽、厚度等)，另一面为平面；The wide combined flower type concentrating photovoltaic glass of the invention can adopt the patented product of the company (patent number: ZL201220143908.4), the glass side is composed of several groups of concentrating units, and one concentrating unit is composed of several cylindrical surfaces or sawtooth structures. Actual production can adjust the width of the concentrating unit and the height of the pattern as needed. The concentrating multiple of the concentrating glass can be adjusted to produce different concentrating photovoltaic glass (glass length, width, thickness, etc.) and the other side is flat;

本发明中的光线收集器可由聚光器和支架组成，可制成整体结构或分体结构。聚光器可由透明材料制成，如：聚甲基丙烯酸甲酯(亚克力)、聚烯烃材料、玻璃等，材料不限于上述；本发明中封装盖板可采用2mm～6mm厚玻璃，玻璃可选用压花玻璃或无压花玻璃。The light collector of the present invention may be composed of a concentrator and a support, and may be formed into a unitary structure or a split structure. The concentrator may be made of a transparent material, such as polymethyl methacrylate (acrylic), polyolefin material, glass, etc., and the material is not limited to the above; in the present invention, the package cover can be made of 2 mm to 6 mm thick glass, and the glass can be used. Embossed glass or embossed glass.

本发明中背板可用TPT背板，也可采用玻璃。In the present invention, the back plate can be a TPT back plate or a glass.

本发明的宽组合花型聚光组件可封装于铝边框内，铝边框和聚光组件之间加注密封胶；铝边框之间通过螺钉联接。 The wide combined flower concentrating assembly of the invention can be packaged in an aluminum frame, and a sealing glue is added between the aluminum frame and the concentrating assembly; the aluminum frames are connected by screws.

本发明中光线收集器与玻璃基板可通过胶粘接实现定位，光线收集器与宽组合花型聚光光伏玻璃通过三角形凸起配合定位。In the present invention, the light collector and the glass substrate can be positioned by adhesive bonding, and the light collector and the wide combined flower-type concentrated photovoltaic glass are positioned by the triangular protrusions.

本发明通过在传统组件结构上面增加具有宽组合聚光花型玻璃和光线收集器，先通过具有宽组合花型玻璃一次收集阳光，再利用光线收集器将光线进行二次聚集后均匀落在下面对应设置的硅片上，可将光线聚集成若干个光束带，而只在光束带上设置相应数量的硅片，大大降低了硅片的使用量，提高了单位面积阳光利用率，降低成本。The invention adds a wide combined concentrating flower glass and a light collector on the traditional component structure, first collects the sunlight by using the wide combined flower glass, and then uses the light collector to collect the light twice and then uniformly falls below. On the corresponding silicon wafer, the light can be gathered into several beam strips, and only a corresponding number of silicon wafers are disposed on the beam strip, which greatly reduces the use of the silicon wafer, improves the utilization of sunlight per unit area, and reduces the cost.

附图说明DRAWINGS

图1是本发明的光伏组件的外观结构示意图。1 is a schematic view showing the appearance of a photovoltaic module of the present invention.

图2是图1中B-B向剖视图。Figure 2 is a cross-sectional view taken along line B-B of Figure 1;

图3是图2中A部分的局部放大示意图。Figure 3 is a partially enlarged schematic view of a portion A of Figure 2.

图4是本发明中的聚光器的俯视图。Figure 4 is a plan view of a concentrator in the present invention.

图5是图3中C-C向剖视图。Figure 5 is a cross-sectional view taken along line C-C of Figure 3;

图6是图本发明中的聚光器支架的结构示意图。Figure 6 is a schematic view showing the structure of a concentrator holder in the present invention.

具体实施方式detailed description

本发明的宽组合花型聚光组件，包括背板9、EVA胶膜11、硅片10和玻璃基板8(上述组合即为具有传统结构光伏组件)，在玻璃基板之上设有光线收集器，光线收集器上方设有玻璃盖板4。The wide combined flower concentrating assembly of the invention comprises a backing plate 9, an EVA film 11, a silicon wafer 10 and a glass substrate 8 (the above combination is a photovoltaic module having a conventional structure), and a light collector is arranged on the glass substrate A glass cover 4 is arranged above the light collector.

所述的光线收集器由聚光器6和支架7组成，聚光器6的两端架设并固定在支架7上，聚光器包括聚光器本体，在聚光器本体上设有至少三个聚光部6-1，所述聚光部的顶面为平面，聚光部之间设有阶梯槽6-2。本发明中的光线收集器最好分组设置，每组光线收集器由左右对称的两个光线收集器组成。The light collector is composed of a concentrator 6 and a bracket 7. The two ends of the concentrator 6 are erected and fixed on the bracket 7. The concentrator includes a concentrator body, and at least three are disposed on the concentrator body. The concentrating portion 6-1 has a top surface of the concentrating portion as a plane, and a stepped groove 6-2 is provided between the condensing portions. The light collectors of the present invention are preferably arranged in groups, each set of light collectors being composed of two light ray collectors that are bilaterally symmetrical.

所述支架上设置有三角形凸起7-1，三角形凸起通过与玻璃盖板下面花型配 合定位，聚光器通过胶粘接与玻璃基板定位。The bracket is provided with a triangular protrusion 7-1, and the triangular protrusion is matched with the flower pattern under the glass cover plate. Positioning, the concentrator is positioned by the adhesive bonding with the glass substrate.

所述的玻璃盖板宽采用组合花型聚光光伏玻璃，顶面为平面，底面由若干组聚光单元组成，每个聚光单元由若干个柱面和中心柱面组成，中心柱面上设有凹槽，中心柱面中心线为聚光单元中心线，柱面相对于聚光单元中心线对称。中心柱面上的凹槽底部为弧面，每个聚光单元由六个柱面和中心柱面组成，柱面相对于聚光单元中心线对称。The glass cover plate adopts a combined flower-type concentrating photovoltaic glass, the top surface is a plane, and the bottom surface is composed of several groups of concentrating units, each concentrating unit is composed of a plurality of cylinders and a central cylinder surface, and the central cylinder surface There is a groove, and the center line of the center cylinder is the center line of the concentrating unit, and the cylinder surface is symmetrical with respect to the center line of the concentrating unit. The bottom of the groove on the center cylinder surface is a curved surface, and each concentrating unit is composed of six cylinders and a central cylinder, and the cylinder surface is symmetrical with respect to the center line of the concentrating unit.

本发明中宽组合花型聚光光伏玻璃可采用本公司专利产品(专利号：ZL201220143908.4)，玻璃一面由若干组聚光单元组成，一个聚光单元由若干条圆柱面或锯齿结构组成，实际生产可根据需要调整聚光单元的宽度、花型高度，可以调整聚光玻璃的聚光倍数，生产出不同规格的聚光光伏玻璃(玻璃长、宽、厚度等)，另一面为平面；The wide combined flower type concentrating photovoltaic glass of the invention can adopt the patented product of the company (patent number: ZL201220143908.4), the glass side is composed of several groups of concentrating units, and one concentrating unit is composed of several cylindrical surfaces or sawtooth structures. Actual production can adjust the width of the concentrating unit and the height of the pattern as needed. The concentrating multiple of the concentrating glass can be adjusted to produce different concentrating photovoltaic glass (glass length, width, thickness, etc.) and the other side is flat;

本发明中的光线收集器可由聚光器和支架组成，可制成整体结构或分体结构。聚光器可由透明材料制成，如：聚甲基丙烯酸甲酯(亚克力)、聚烯烃材料、玻璃等，材料不限于上述；本发明中封装盖板可采用2mm～6mm厚玻璃，玻璃可选用压花玻璃或无压花玻璃。The light collector of the present invention may be composed of a concentrator and a support, and may be formed into a unitary structure or a split structure. The concentrator may be made of a transparent material, such as polymethyl methacrylate (acrylic), polyolefin material, glass, etc., and the material is not limited to the above; in the present invention, the package cover can be made of 2 mm to 6 mm thick glass, and the glass can be used. Embossed glass or embossed glass.

本发明中背板可用TPT背板，也可采用玻璃。In the present invention, the back plate can be a TPT back plate or a glass.

本发明的宽组合花型聚光组件可封装于铝边框1内，铝边框和聚光组件之间加注密封胶5；铝边框之间通过螺钉联接。The wide combined flower concentrating assembly of the invention can be packaged in the aluminum frame 1 , and the sealing glue 5 is filled between the aluminum frame and the concentrating assembly; the aluminum frames are connected by screws.

本发明中光线收集器与玻璃基板可通过胶粘接实现定位，光线收集器与宽组合花型聚光光伏玻璃通过三角形凸起配合定位。In the present invention, the light collector and the glass substrate can be positioned by adhesive bonding, and the light collector and the wide combined flower-type concentrated photovoltaic glass are positioned by the triangular protrusions.

本发明的新型聚光光伏组件，最上面是宽组合花型聚光光伏玻璃4，该产品已由本公司申报专利并获授权，专利号ZL201220143908.4，玻璃一面由若干组聚光单元组成，一个聚光单元由若干条圆柱面或锯齿结构组成，另一面为平面， 在本发明使用时平面在上面，花型在下面(即接近硅片)；宽组合花型聚光光伏玻璃4下面是光线收集器，光线收集器由聚光器6和支架7组成，光线收集器下面是具有传统结构光伏组件，具有传统结构光伏组件由玻璃8、硅片10、背板9、EVA胶膜11组成，光线收集器支架7上设置有三角形凸起，三角形凸起通过与宽组合花型聚光光伏玻璃4下面花型配合定位，聚光器6通过胶12粘接与具有传统结构光伏组件上玻璃8定位，上述结构可使宽组合花型聚光光伏玻璃4、聚光器6、硅片10纵向中心平面一致，即可保证太阳光经过宽组合花型聚光光伏玻璃4的聚光单元一次聚集后光线完整落在聚光器6上，光线经过聚光器6二次聚集后均匀、准确落在硅片10上，具有传统结构光伏组件中硅片10尺寸可根据聚光组件倍数按比例进行调整。铝边框3和1横截面上下各设置凹槽一个，宽组合花型聚光光伏玻璃4与上面凹槽配合定位，配合部位填充弹性材料及密封胶；具有传统结构光伏组件与下面凹槽配合定位，配合部位填充弹性材料及密封胶。The novel concentrating photovoltaic module of the invention has a wide combined flower concentrating photovoltaic glass 4, which has been patented and authorized by the company, patent number ZL201220143908.4, and one side of the glass is composed of several groups of concentrating units, one The concentrating unit is composed of a plurality of cylindrical surfaces or a sawtooth structure, and the other surface is a plane. In the present invention, the plane is on the top, the pattern is on the bottom (ie, close to the silicon wafer); below the wide combination pattern concentrating photovoltaic glass 4 is a light collector, and the light collector is composed of the concentrator 6 and the bracket 7, the light collection Below the device is a photovoltaic module having a conventional structure. The photovoltaic module having the conventional structure is composed of a glass 8, a silicon wafer 10, a back plate 9, and an EVA film 11. The light collector bracket 7 is provided with a triangular protrusion, a triangular protrusion passing through and a width. The flower pattern of the combined flower concentrating photovoltaic glass 4 is matched and positioned, and the concentrator 6 is bonded by the glue 12 and the glass 8 on the photovoltaic module having the traditional structure. The above structure can make the wide combined flower concentrating photovoltaic glass 4, concentrating The longitudinal center plane of the silicon plate 10 and the silicon wafer 10 are uniform, that is, the sunlight is allowed to pass through the concentrating unit of the wide combined flower concentrating photovoltaic glass 4, and the light completely falls on the concentrator 6, and the light passes through the concentrator 6 After the secondary aggregation, it uniformly and accurately falls on the silicon wafer 10. The size of the silicon wafer 10 in the conventional structure photovoltaic module can be adjusted according to the ratio of the concentrating component. A groove is arranged on the cross section of the aluminum frame 3 and 1 respectively, and the wide combined pattern concentrating photovoltaic glass 4 is matched with the upper groove, and the matching portion is filled with the elastic material and the sealant; the conventional structure photovoltaic component is matched with the groove below. The mating part is filled with elastic material and sealant.

其中光线收集器见图4-5，图4-5是一套完整的光线收集器，由左右对称的两个光线收集器组成，也可做成整体结构。光线收集器由聚光器6和支架7组成，聚光器可由透明材料制成，如：聚甲基丙烯酸甲酯(亚克力)、聚烯烃材料、玻璃等。封装时光线收集器在宽组合花型聚光光伏玻璃4每个聚光单元正下方，宽度可随聚光单元宽度变化而变化，高度也可根据调整，可收集宽组合花型聚光光伏玻璃4每个聚光单元上的太阳光。The light collector is shown in Figure 4-5. Figure 4-5 is a complete light collector consisting of two light symmetrical collectors, which can also be made into a whole structure. The light collector is composed of a concentrator 6 and a holder 7, and the concentrator may be made of a transparent material such as polymethyl methacrylate (acrylic), polyolefin material, glass, or the like. When packaged, the light collector is directly under each concentrating unit of the wide combined flower concentrating photovoltaic glass 4. The width can vary with the width of the concentrating unit, and the height can also be adjusted according to the adjustment, and the wide combined pattern concentrating photovoltaic glass can be collected. 4 sunlight on each concentrating unit.

本发明的聚光光伏组件，其中铝边框外侧(和大气连接)上开有若干小孔，里侧(接近硅片)开一个长孔，铝边框和聚光组件由通过密封胶5形成一个密闭空间时，通过上述结构起到内气压平衡、散热等作用，铝边框上可加工若干个圆孔，可用螺钉将四个铝边框连接起来，同时将聚光光伏组件封装起来。 The concentrating photovoltaic module of the invention has a plurality of small holes on the outer side of the aluminum frame (connected to the atmosphere), a long hole on the inner side (near the silicon wafer), and the aluminum frame and the concentrating assembly are sealed by the sealant 5 In the space, through the above structure, the internal air pressure balance, heat dissipation and the like can be performed, and a plurality of circular holes can be processed on the aluminum frame, and the four aluminum frames can be connected by screws, and the concentrating photovoltaic module can be packaged at the same time.

Claims (4)

一种宽组合花型聚光组件，包括背板(9)、EVA胶膜(11)、硅片(10)和玻璃基板(8)，其特征在于：在玻璃基板之上设有光线收集器，光线收集器上方设有玻璃盖板(4)；所述的光线收集器由聚光器(6)和支架(7)组成，聚光器(7)的两端架设并固定在支架(7)上，聚光器包括聚光器本体，在聚光器本体上设有至少三个聚光部(7-1)，所述聚光部的顶面为平面，聚光部之间设有阶梯槽(7-2)。A wide combined flower concentrating assembly comprising a backing plate (9), an EVA film (11), a silicon wafer (10) and a glass substrate (8), characterized in that a light collector is arranged on the glass substrate A light cover (4) is arranged above the light collector; the light collector is composed of a concentrator (6) and a bracket (7), and both ends of the concentrator (7) are erected and fixed on the bracket (7) The concentrator includes a concentrator body, and at least three concentrating portions (7-1) are disposed on the concentrator body, the top surface of the concentrating portion is a plane, and the concentrating portions are disposed between Step groove (7-2). 根据权利要求1所述的宽组合花型聚光组件，其特征在于：所述支架上设置有三角形凸起(7-1)，三角形凸起通过与玻璃盖板下面花型配合定位，聚光器通过胶粘接与玻璃基板定位。The wide combined flower concentrating assembly according to claim 1, wherein the bracket is provided with a triangular protrusion (7-1), and the triangular protrusion is positioned by the pattern matching with the underside of the glass cover to collect light. The device is positioned by a glue bond to the glass substrate. 根据权利要求1所述的宽组合花型聚光组件，其特征在于：所述的玻璃盖板采用组合花型聚光光伏玻璃，顶面为平面，底面由若干组聚光单元组成，每个聚光单元由若干个柱面和中心柱面组成，中心柱面上设有凹槽，中心柱面中心线为聚光单元中心线，柱面相对于聚光单元中心线对称。The wide combined flower concentrating assembly according to claim 1, wherein the glass cover plate comprises a combined flower concentrating photovoltaic glass, the top surface is a plane, and the bottom surface is composed of a plurality of groups of concentrating units, each The concentrating unit is composed of a plurality of cylindrical surfaces and a central cylindrical surface, and a groove is arranged on the central cylindrical surface, and a center line of the central cylindrical surface is a center line of the concentrating unit, and the cylindrical surface is symmetrical with respect to a center line of the concentrating unit. 根据权利要求3所述的宽组合花型聚光组件，其特征在于：中心柱面上的凹槽底部为弧面，每个聚光单元由六个柱面和中心柱面组成，柱面相对于聚光单元中心线对称。 The wide combined flower concentrating assembly according to claim 3, wherein the bottom of the groove on the central cylindrical surface is a curved surface, and each concentrating unit is composed of six cylindrical surfaces and a central cylindrical surface, and the cylindrical surface is opposite to the cylindrical surface. The center line of the concentrating unit is symmetrical.
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CN103607171A (en) * 2013-10-30 2014-02-26 李敬宇 Wide-combination pattern light-concentrating assembly
CN203942488U (en) * 2013-10-30 2014-11-12 李敬宇 A kind of concentrating component

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