WO2020011196A1 - Composant solaire et système solaire - Google Patents

Composant solaire et système solaire Download PDF

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Publication number
WO2020011196A1
WO2020011196A1 PCT/CN2019/095417 CN2019095417W WO2020011196A1 WO 2020011196 A1 WO2020011196 A1 WO 2020011196A1 CN 2019095417 W CN2019095417 W CN 2019095417W WO 2020011196 A1 WO2020011196 A1 WO 2020011196A1
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WO
WIPO (PCT)
Prior art keywords
light
transmitting
layer
solar
module according
Prior art date
Application number
PCT/CN2019/095417
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English (en)
Chinese (zh)
Inventor
高廷飞
闫燚
文松岭
袁玉强
李秀祖
Original Assignee
北京汉能光伏技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201821087768.7U external-priority patent/CN209150125U/zh
Priority claimed from CN201821086456.4U external-priority patent/CN209071346U/zh
Priority claimed from CN201821087118.2U external-priority patent/CN209071347U/zh
Application filed by 北京汉能光伏技术有限公司 filed Critical 北京汉能光伏技术有限公司
Publication of WO2020011196A1 publication Critical patent/WO2020011196A1/fr

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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
    • 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

Definitions

  • This article relates to the field of solar technology, and more particularly to a solar module and a solar system.
  • the thermal insulation effect of the exterior wall of the building also has a very important impact on the comfort of the interior of the building, and even if the glass curtain wall adopts a hollow structure, its thermal insulation effect is unsatisfactory. If the thermal insulation wall is separately installed on the basis of the photovoltaic curtain wall, it will cause the building The thickness of the external wall has increased significantly, squeezing a large amount of use area.
  • the embodiments herein provide a solar module and a solar system to solve the above problems.
  • an embodiment of the present invention provides a solar module including a light-transmitting back plate, a first adhesive layer, a solar chip, a second adhesive layer, and a light-transmitting front plate, which are disposed in this order;
  • the transparent front plate or the transparent back plate has a hollow structure, and the second adhesive layer is a transparent adhesive layer.
  • an embodiment of the present invention provides a solar system including at least one of the solar modules.
  • the solar module and solar system disclosed in the embodiments of the present invention realize a fuller utilization of solar energy irradiated onto a hollow structure.
  • FIG. 1 is an overall side view of a solar module disclosed in an embodiment of the present invention
  • FIG. 2 is an exploded view of a part of a structure of a solar module disclosed in an embodiment of the present invention
  • FIG. 3 is an enlarged partial sectional view of part A of FIG. 1 in Embodiment 1 of the present invention.
  • FIG. 4 is a front structural view of a solar cell layer and a sealing tape
  • FIG. 5 is a partial cross-sectional enlarged view of part A of FIG. 1 in Embodiment 2 of this document; FIG.
  • FIG. 6 is an enlarged partial sectional view of part A of FIG. 1 in Embodiment 3 of the present invention.
  • 1-light-transmitting back sheet 10-first light-transmitting layer, 11-second light-transmitting layer, 12-isolation frame, 13-sealant, 14-hollow space, 15-moisture absorbing part, 16-sealant film, 17- Insulation coating, 18- Adhesive tank, 2- Solar power module, 20- First adhesive layer, 21- Substrate, 22- Solar cell layer, 220-Transparent hole, 23- Second adhesive layer , 24-transparent front panel, 25-sealing tape, 26-bus bar, 28-sealing area, 3-junction box.
  • FIG. 1 to FIG. 4 are structural views of the light-transmitting back plate 1 with a hollow structure.
  • the light-transmitting back sheet 1 has a hollow double-layer structure, such as insulating glass.
  • the light-transmitting back sheet 1 includes a first light-transmitting layer 10, a second light-transmitting layer 11, an isolation frame 12, and a sealant 13.
  • Reference numeral 12 is a supporting structure.
  • the first light-transmitting layer 10 and the second light-transmitting layer 11 are located on both sides of the isolation frame 12, respectively. Under the support of the isolation frame 12, the first light-transmitting layer 10, the second light-transmitting layer 11 and the isolation
  • the frame 12 collectively encloses a hollow space 14 and a plastic containing groove 18. Wherein, the plastic containing tank 18 surrounds the hollow space 14 and is separated from the hollow space 14 by an isolation frame 12.
  • the isolation frame 12 is usually made of an easily formed material, such as aluminum.
  • the sealant 13 fills the adhesive container groove 18.
  • the sealant 13 adheres and fixes the first light-transmitting layer 10, the second light-transmitting layer 11 and the isolation frame 12 on the one hand, and also serves as a seal to prevent Water vapor and dust enter the hollow space 14 through the gaps between the first light-transmitting layer 10, the second light-transmitting layer 11 and the isolation frame 12.
  • the sealant 13 can be a neutral silicone structure sealant, and this sealant has good plasticity and adhesive sealing performance.
  • a sealant film 16 such as a butyl film or the like may be provided on both sides of the isolation frame 12 for auxiliary sealing.
  • the first light-transmitting layer 10 and the second light-transmitting layer 11 in this embodiment may be glass, crystal, or other materials capable of transmitting light and having a certain hardness.
  • at least one of the first light-transmitting layer 10 and the second light-transmitting layer 11 may be made of ultra-white glass.
  • the content of iron in the ultra-white glass is relatively low.
  • At the same time, in order to improve the safety performance, at least one of the first transparent layer 10 and the second transparent layer 11 may be made of tempered glass. If the above two effects are to be achieved at the same time, the first light-transmitting layer 10 and the second light-transmitting layer 11 may be ultra-white tempered glass.
  • the hollow space 14 can effectively isolate sound and heat, so that the transparent back plate 1 can have good sound insulation and heat insulation effects. Since the hollow space 14 is a sealed space, it is difficult to clean it once it enters the water vapor. Therefore, in this embodiment, a moisture absorbing portion 15 can be provided inside the light-transmitting back plate 1.
  • the moisture absorbing portion 15 can be enclosed in the isolation frame 12, The side facing the hollow space 14 is provided with an air intake hole communicating with the moisture absorption portion 15, and water vapor inside the hollow space 14 can contact the moisture absorption portion 15 through the air intake hole.
  • the moisture absorbing portion 15 may be a desiccant bag, an activated carbon bag, or the like.
  • a more optional method is to use a molecular sieve of a type such as 3A.
  • the first adhesive layer 20, the solar chip, the second adhesive layer 23, and the light-transmitting front plate 24 may collectively constitute The solar power generation module 2 is stacked on the light-transmitting back plate 1.
  • the solar power generation module 2 is adhered to the first transparent layer 10 or the second transparent layer 11 of the transparent backsheet 1 through the first adhesive layer 20.
  • the solar chip may adopt a structure in which the solar cell layer 22 is bonded on the substrate 21, and at this time, the substrate 21 is bonded to the first bonding layer 20, and the solar cell layer 22 is bonded to the second bonding layer, that is, the solar cell layer. 22 is facing the light-transmitting front plate 24.
  • the solar chip uses a silicon crystal plate or other structures.
  • the solar power generation module 2 is composed of a light-transmitting back plate 1, a first adhesive layer 20, a solar chip, and a second adhesive layer 23. At this time, the solar cell layer 22 still faces the light-transmitting front plate 24.
  • the light-transmitting back plate 1 and the light-transmitting front plate 24 can transmit light by themselves.
  • the light-transmitting front plate 24 in this embodiment can optionally use tempered glass.
  • the transparent front plate 24 can be made of ultra-white glass.
  • the transparent front plate 24 may be made of ultra-white tempered glass, so that it has good security and light transmission effects at the same time.
  • the solar module provided in this embodiment is arranged on a wall with the light-transmitting front plate 24 facing outdoors and the light-transmitting back plate 1 facing indoors.
  • the second adhesive layer 23 needs to use a light-transmitting adhesive, such as a PVB film, to form a light-transmitting adhesive layer.
  • the light passes through the transparent front plate 24 and the second adhesive layer 23 to reach the solar chip 22. At this time, part of the solar energy will be absorbed by the solar chip 22 and converted into electric energy.
  • the first adhesive layer 20 and the substrate 21 also use light transmission.
  • Light materials the entire solar module will be able to penetrate light, forming a light transmission effect. Part of the light passes through the light-transmissive hole 220 and then penetrates the substrate 21, the first adhesive layer 20, and the light-transmitting back sheet 1 in sequence, and then enters the room to achieve normal lighting in the room, thereby realizing solar energy irradiated onto the solar module. More fully utilized.
  • the shape of the light transmitting hole 220 may be a shape surrounded by a curve such as a circle or an ellipse, or a polygon surrounded by a straight line such as a triangle or a square.
  • the plurality of light-transmitting holes 220 may be arranged in various forms such as a square matrix arrangement, a circular arrangement, or a random arrangement. In this embodiment, there are no restrictions on the structure and arrangement of the light-transmitting holes 220, and they can be used as long as they can meet the light-transmitting requirements.
  • the solar cell layer 22 can also directly adopt a transparent solar cell layer that is itself transparent.
  • the thickness of the solar cell layer 22 is very small.
  • the solar cell layer 22 transmits light by itself.
  • the sealing tape 25 may be a butyl tape.
  • the butyl tape has a good sealing effect.
  • the butyl tape 25 is generally light-proof, but because it is set at an edge position, the overall light-transmitting performance of the solar module of this embodiment is basically not. Cause adverse effects.
  • a bus bar 26 may be provided, one end of the bus bar 26 is electrically connected to the solar cell layer 22, and the other end of the bus bar 26 extends outside the solar cell layer 22.
  • the bus bar 26 may extend directly through the sealant coating area 28 to the edge of the solar chip.
  • a junction box 3 may be provided near the solar cell layer 22, and one end of the bus bar 26 extending to the edge of the solar chip is electrically connected to the junction box 3.
  • the junction box 3 may be fixed to one side of the solar chip by means of bonding or the like, so that the bus bar 26 can contact the junction box 3 after passing through the sealing and coating area 28.
  • the junction box 3 can optionally use a written test junction box.
  • the written test junction box is relatively thin and can be attached to one side of the solar chip.
  • the embodiments herein also provide a solar energy system, and the solar energy system may include at least one of the above-mentioned solar energy components.
  • These solar modules can be spliced together to form a solar curtain wall or a light-transmissive roof to meet the different needs of the building.
  • the solar module and solar system provided in the embodiments of the present invention can realize fuller utilization of solar energy irradiated to the hollow structure.
  • a heat insulation coating 17 is also provided to isolate heat and reduce the K value of the entire solar module.
  • any of the first light-transmitting layer 10 and the second light-transmitting layer 11 may be provided with a heat-insulating plating layer 17, or may be provided on the first light-transmitting layer 10 and the second light-transmitting layer 11 at the same time.
  • the heat-insulating plating layer 17 is shown in FIGS. 1, 2, 4, and 5.
  • the hollow space 14 itself can also isolate sound and heat. Therefore, in cooperation with the heat-insulating plating layer 17, the light-transmitting back plate 1 can have good sound insulation and thermal insulation effects.
  • the heat-insulating coating 17 in this embodiment is easily corroded by the external environment. Therefore, in order to better protect the plating 17, the heat-insulating coating 17 in this embodiment may be optionally disposed on the first glass 10 or the second glass 11 facing the hollow space 14. On one side surface, see Figure 4. In this way, the heat-insulating plating layer 17 is actually enclosed in the hollow space 14 and is in an independent closed space, so it can effectively avoid external corrosion and prolong the service life.
  • the heat-insulating plating layer 17 in this embodiment may be a LOW-E plating layer, and the LOW-E plating layer may reflect infrared light.
  • the LOW-E coating is usually a multi-layer composite structure.
  • the main functional layer is usually a silver layer, and the number of silver layers determines the overall performance of the thermal insulation coating and the LOW-E coating.
  • a LOW-E coating containing one silver layer is called a single silver LOW-E coating
  • a LOW-E coating containing two silver layers is called a double silver LOW-E coating.
  • the double silver LOW-E coating has a better reflection effect on infrared light than the single silver LOW-E coating, but the cost is also higher.
  • the solar power generation module 2 in the solar module may already have a certain thermal insulation performance, so only a single silver LOW-E plating layer can be used to achieve an excellent thermal insulation effect.
  • the hollow structure is replaced by a plurality of hollow spaces stacked inside, as shown in FIG. 1.
  • 2, 4, and 6 show structural views of the transparent backplane 1 with a hollow structure.
  • the light-transmitting back sheet 1 is a multilayer structure with an internal hollow, such as a multilayer insulating glass.
  • the light-transmitting back sheet 1 may include a light-transmitting layer 10, an isolation frame 12, and a sealant 13.
  • the isolation frame 12 is a support structure.
  • the number of the light-transmitting layers 10 is at least three, and the number of the isolation frames 12 is at least two.
  • the light-transmitting layers 10 are arranged at intervals, and an isolation frame 12 is sandwiched between two adjacent light-transmitting layers 10. In this way, under the support of the isolation frame 12, the two adjacent light-transmitting layers 10 and the sandwiched
  • the isolated isolation frame 12 can be collectively enclosed into a hollow space 14 and an adhesive-containing groove 18, wherein the adhesive-containing groove 18 surrounds the hollow space 14 and is separated from the hollow space 14 by the isolation frame 12, and these light-transmitting layers 10 are isolated from
  • the frame 12 can form at least two hollow spaces 14.
  • the isolation frame 12 is usually made of an easily-molded material, such as aluminum.
  • the hollow space 14 can effectively isolate sound and heat, so that the transparent back plate 1 can have good sound insulation and heat insulation effects.
  • the light-transmitting back sheet 1 in this embodiment has at least two hollow spaces 14 therein, so it can have more excellent sound insulation and heat insulation effects.
  • the number of hollow spaces 14 can be adjusted as needed. The larger the number of hollow spaces 14, the better the sound insulation and thermal insulation effect, but the corresponding solar module thickness and cost will also be higher. In this embodiment, it is recommended to use three light-transmitting layers 10 and two isolation frames 12 to form two hollow spaces 14 together.

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Photovoltaic Devices (AREA)
  • Joining Of Glass To Other Materials (AREA)

Abstract

L'invention concerne un composant solaire et un système solaire. Le composant solaire comprend une plaque arrière de transmission (1), une première couche de liaison (20), une puce solaire (22), une seconde couche de liaison (23), et une plaque avant de transmission (24) disposées en séquence ; la plaque avant de transmission (24) ou la plaque arrière de transmission (1) est d'une structure creuse, et la seconde couche de liaison (23) est une couche de liaison de transmission. Le système solaire comprend au moins un composant solaire. La solution est capable de rendre l'utilisation complète de l'énergie solaire irradiée dans la structure creuse.
PCT/CN2019/095417 2018-07-10 2019-07-10 Composant solaire et système solaire WO2020011196A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CN201821087768.7U CN209150125U (zh) 2018-07-10 2018-07-10 太阳能组件及太阳能系统
CN201821087768.7 2018-07-10
CN201821086456.4U CN209071346U (zh) 2018-07-10 2018-07-10 太阳能组件及太阳能系统
CN201821086456.4 2018-07-10
CN201821087118.2 2018-07-10
CN201821087118.2U CN209071347U (zh) 2018-07-10 2018-07-10 太阳能组件及太阳能系统

Publications (1)

Publication Number Publication Date
WO2020011196A1 true WO2020011196A1 (fr) 2020-01-16

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ID=69142151

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Application Number Title Priority Date Filing Date
PCT/CN2019/095417 WO2020011196A1 (fr) 2018-07-10 2019-07-10 Composant solaire et système solaire

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WO (1) WO2020011196A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201191614Y (zh) * 2008-04-17 2009-02-04 黄鸣 双玻eva中空光伏幕墙
CN203232893U (zh) * 2013-04-11 2013-10-09 江苏武进汉能光伏有限公司 一种光伏建筑一体化用透光中空组件
CN203590135U (zh) * 2013-12-13 2014-05-07 新奥光伏能源有限公司 一种用于光伏幕墙的中空玻璃组件及光伏幕墙
CN107195715A (zh) * 2017-04-18 2017-09-22 东莞南玻光伏科技有限公司 太阳能光伏组件及建筑幕墙
CN209071346U (zh) * 2018-07-10 2019-07-05 北京汉能光伏投资有限公司 太阳能组件及太阳能系统
CN209071347U (zh) * 2018-07-10 2019-07-05 北京汉能光伏投资有限公司 太阳能组件及太阳能系统

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201191614Y (zh) * 2008-04-17 2009-02-04 黄鸣 双玻eva中空光伏幕墙
CN203232893U (zh) * 2013-04-11 2013-10-09 江苏武进汉能光伏有限公司 一种光伏建筑一体化用透光中空组件
CN203590135U (zh) * 2013-12-13 2014-05-07 新奥光伏能源有限公司 一种用于光伏幕墙的中空玻璃组件及光伏幕墙
CN107195715A (zh) * 2017-04-18 2017-09-22 东莞南玻光伏科技有限公司 太阳能光伏组件及建筑幕墙
CN209071346U (zh) * 2018-07-10 2019-07-05 北京汉能光伏投资有限公司 太阳能组件及太阳能系统
CN209071347U (zh) * 2018-07-10 2019-07-05 北京汉能光伏投资有限公司 太阳能组件及太阳能系统

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