CN107154775A - It is a kind of to improve the photovoltaic tile that light is utilized - Google Patents

It is a kind of to improve the photovoltaic tile that light is utilized Download PDF

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Publication number
CN107154775A
CN107154775A CN201710318280.4A CN201710318280A CN107154775A CN 107154775 A CN107154775 A CN 107154775A CN 201710318280 A CN201710318280 A CN 201710318280A CN 107154775 A CN107154775 A CN 107154775A
Authority
CN
China
Prior art keywords
layer
light
utilized
improve
photovoltaic module
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201710318280.4A
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Chinese (zh)
Inventor
黄友波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Able New Energy Co Ltd
Original Assignee
Sichuan Able New Energy Co Ltd
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
Application filed by Sichuan Able New Energy Co Ltd filed Critical Sichuan Able New Energy Co Ltd
Priority to CN201710318280.4A priority Critical patent/CN107154775A/en
Publication of CN107154775A publication Critical patent/CN107154775A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00Supporting structures for PV modules
    • H02S20/20Supporting structures directly fixed to an immovable object
    • H02S20/22Supporting structures directly fixed to an immovable object specially adapted for buildings
    • H02S20/23Supporting structures directly fixed to an immovable object specially adapted for buildings specially adapted for roof structures
    • H02S20/25Roof tile elements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor 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
    • H01L31/04Semiconductor 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
    • H01L31/042PV modules or arrays of single PV cells
    • H01L31/048Encapsulation of modules
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor 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
    • H01L31/04Semiconductor 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
    • H01L31/042PV modules or arrays of single PV cells
    • H01L31/048Encapsulation of modules
    • H01L31/049Protective back sheets
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor 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
    • H01L31/04Semiconductor 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
    • H01L31/054Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
    • H01L31/055Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means where light is absorbed and re-emitted at a different wavelength by the optical element directly associated or integrated with the PV cell, e.g. by using luminescent material, fluorescent concentrators or up-conversion arrangements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor 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
    • H01L31/04Semiconductor 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
    • H01L31/054Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
    • H01L31/056Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means the light-reflecting means being of the back surface reflector [BSR] type
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/10Photovoltaic [PV]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/52PV systems with concentrators

Abstract

The photovoltaic tile that light is utilized is improved the invention discloses a kind of, including watt matrix and photovoltaic module, watt matrix offers cavity, photovoltaic module is arranged in cavity, the photovoltaic module includes glassy layer successively from top to bottom, battery pack, backsheet layer, between glassy layer and battery pack, ethylene-vinyl acetate copolymer layer is provided between battery pack and backsheet layer, one layer of nano-silica film is coated with the glassy layer, the backsheet layer includes the outer protective layer directly contacted with the external world, intermediate layer and internal layer transition zone, light enhancement layer is also set up between outer protective layer and intermediate layer, light enhancement layer is light scattering layer or reflection layer.The present invention in glassy layer by coating one layer of nano-silica film, and light enhancement layer is set in backsheet layer, the transmissivity of sunlight is not only increased, the scattering process of the light into photovoltaic module is also increased, the light absorbing efficiency of photovoltaic module is improved, the problem of existing light is under-utilized is solved.

Description

It is a kind of to improve the photovoltaic tile that light is utilized
Technical field
The present invention relates to field of solar energy, and in particular to the photovoltaic tile that a kind of raising light is utilized.
Background technology
Photovoltaic tile refers to the tile made using synthetic material (engineering material) by automating mounting process and crystal silicon too Positive energy module is combined, and forms the tile with photovoltaic generation function.Photovoltaic tile can directly replace building tile, for building On.It is not only that electricity can be provided for house, can also be used as the source of stabilized power source, a variety of facilities is provided for life.
In use, utilization ratio of the light in photovoltaic module be not high for existing photovoltaic tile, this and photovoltaic module sheet The structure of body has relation.Existing photovoltaic module is after light enters in it, and what it was utilized considers seldom, it is impossible to fully to entering Light in it is effectively absorbed, and causes the utilization rate of light very low.
The content of the invention
Present invention aims at the photovoltaic tile that a kind of raising light is utilized is provided, the photovoltaic tile passes through coats one layer in glassy layer Nano-silica film, and light enhancement layer is set in backsheet layer, the transmissivity of sunlight is not only increased, also increases and enters light The scattering process of the light in component is lied prostrate, light residence time in photovoltaic module is added, photovoltaic module absorption is effectively increased The efficiency of light, solves the problem of existing light is under-utilized.
The present invention is achieved through the following technical solutions:
A kind of to improve the photovoltaic tile that light is utilized, including watt matrix and photovoltaic module, a watt matrix offers cavity, photovoltaic module Including frame, the body being arranged in frame and the terminal box being arranged on outside frame, terminal box are connected with body, photovoltaic module Frame is arranged in cavity, and the body includes glassy layer, battery pack, backsheet layer, glassy layer and battery pack successively from top to bottom Between, be provided between battery pack and backsheet layer and to be coated with one layer on ethylene-vinyl acetate copolymer layer, the glassy layer and receive Rice silicon dioxide film, the backsheet layer includes outer protective layer, intermediate layer and the internal layer transition zone directly contacted with the external world, outer layer Light enhancement layer is also set up between protective layer and intermediate layer, light enhancement layer is light scattering layer or reflection layer.
Inventive conception is that:One layer of nano-silica film is set on glassy layer, and light is set in backsheet layer Enhancement layer, increases the transmissivity of sunlight, and increases the scattering process of the light into photovoltaic module, improves photovoltaic module suction The efficiency of light is received, the problem of existing light is under-utilized is solved.
Ethylene-vinyl acetate copolymer is generally EVA, and its degree of cross linking is more than 70%, and cementability is strong.
The lamellar structure is waveform.Above-mentioned lamellar structure is set to waveform, is conducive to increasing the scattering of lamella Ability, further improves the utilization rate of light.
Light scattering layer is the lamellar structure that one layer of acrylic resin is blended with silica dioxide granule.In order to strengthen light Utilization ratio, is provided with light enhancement layer in backsheet layer, light scattering layer be a kind of surface and it is internal can scattered light lamella The lamella that structure, such as acrylic resin are blended with silica dioxide granule.
Reflection layer is the lamellar structure that surface is coated with coating or surface is polishing layer.This reflection layer is only in warp It is scattered on the top layer for crossing coating or polishing, it is clear that light scatter intensity is big not as the intensity of light scattering layer.
Also include at least 2 face speculums, speculum is arranged on the fin of watt matrix, and at least 2 face speculums are divided into 2 groups of phases The back of the body is set.2 groups of opposite speculums are set on the fin of watt matrix, are conducive to when sunlight is moved, by light collection It is arranged on onto photovoltaic module, and due to speculum on the fin of watt matrix, will not will should be radiated at photovoltaic module Glassy layer glazing is reflected away.
Angle between 2 groups of speculums for being disposed opposite to each other is 100-160 °.The setting of angle can be helped between 2 groups of reflectings surface More light are helped to be reflected on photovoltaic module.
Outer protective layer and internal layer transition zone are PVF.PVF is polyvinyl fluoride, with outstanding ageing resistace, very well Heat endurance, and also have high-wearing feature and contaminated resistance, protective layer and buffer layer material are used as using this material There is good practicality for the photovoltaic module in work.
Intermediate layer is PET.Outer protective layer primarily serves the effect of environment resistant erosion, and intermediate layer is mainly used in insulation, interior Layer transition zone mainly plays bonding effect with ethylene-ethyl acetate copolymer.
It is additionally provided with what one layer of acrylic resin was blended with silica dioxide granule between outer protective layer and intermediate layer The thickness of lamella is 0.08-0.1mm.
Certainly, this photovoltaic tile is complete provided with parts such as corresponding controller for solar, battery, inverter, switch controllers , can be to general lighting electric power supply into the function such as photovoltaic generation, energy storage and direct current and alternating current conversion.
The present invention compared with prior art, has the following advantages and advantages:
The present invention sets light enhancement layer by coating one layer of nano-silica film in glassy layer in backsheet layer, no The transmissivity of sunlight is increase only, the scattering process of the light into photovoltaic module is also increased, photovoltaic module absorption is improved The efficiency of light, solves the problem of existing light is under-utilized.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes one of the application Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is schematic structural view of the invention.
Fig. 2 is partial schematic diagram of the present invention.
Mark and corresponding parts title in accompanying drawing:
1- watts of matrix, 11- fins, 12- speculums, 2- photovoltaic modulies, 21- glassy layers, 22- cell panels, 23- backsheet layers, 24- ethylene-ethyl acetate copolymers layer.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this Invention is described in further detail, and exemplary embodiment and its explanation of the invention is only used for explaining the present invention, does not make For limitation of the invention.
Embodiment 1
As depicted in figs. 1 and 2, it is a kind of to improve the photovoltaic tile that light is utilized, including watt matrix 1 and photovoltaic module 2, watt matrix 1 Cavity is offered, photovoltaic module 2 is arranged in cavity, the photovoltaic module 2 includes glassy layer 21, battery pack successively from top to bottom 22nd, backsheet layer 23, ethyl vinyl acetate second is provided between glassy layer 21 and battery pack 22, between battery pack 22 and backsheet layer 23 One layer of nano-silica film is coated with alkene copolymer layer 24, the glassy layer 21, the backsheet layer 23 includes straight with the external world Outer protective layer, intermediate layer and the internal layer transition zone of contact, also set up light enhancement layer, light between outer protective layer and intermediate layer Enhancement layer is light scattering layer or reflection layer.
Ethylene-vinyl acetate copolymer is generally EVA, and its degree of cross linking is more than 70%, and cementability is strong.
The lamellar structure is waveform.Above-mentioned lamellar structure is set to waveform, is conducive to increasing the scattering of lamella Ability, further improves the utilization rate of light.
Light scattering layer is the lamellar structure that one layer of acrylic resin is blended with silica dioxide granule.In order to strengthen light Utilization ratio, is provided with light enhancement layer in backsheet layer 23, light scattering layer be a kind of surface and it is internal can scattered light piece The lamella that Rotating fields, such as acrylic resin are blended with silica dioxide granule.
Reflection layer is the lamellar structure that surface is coated with coating or surface is polishing layer.This reflection layer is only in warp It is scattered on the top layer for crossing coating or polishing, it is clear that light scatter intensity is big not as the intensity of light scattering layer.
Also include at least 2 face speculums 12, speculum 12 is arranged on the fin 11 of watt matrix 1, at least 2 face speculums 12 It is divided into 2 groups to be disposed opposite to each other.2 groups of opposite speculums 12 are set on the fin 11 of watt matrix 1, are conducive to when sunlight is moved Wait, will not be by should by light collection to photovoltaic module 2, and because speculum 12 is arranged on the fin 11 of watt matrix 1 The glazing of glassy layer 21 for being radiated at photovoltaic module 2 is reflected away.
Angle between 2 groups of speculums 12 for being disposed opposite to each other is 100-160 °.The setting of angle can between 2 groups of reflectings surface More light are helped to be reflected on photovoltaic module 2.
Outer protective layer and internal layer transition zone are PVF.PVF is polyvinyl fluoride, with outstanding ageing resistace, very well Heat endurance, and also have high-wearing feature and contaminated resistance, protective layer and buffer layer material are used as using this material There is good practicality for the photovoltaic module 2 in work.
Intermediate layer is PET.Outer protective layer primarily serves the effect of environment resistant erosion, and intermediate layer is mainly used in insulation, interior Layer transition zone mainly plays bonding effect with ethylene-ethyl acetate copolymer.
It is additionally provided with what one layer of acrylic resin was blended with silica dioxide granule between outer protective layer and intermediate layer The thickness of lamella is 0.08-0.1mm.Lamella is with 100 by acrylic resin and silica dioxide granule:The ratio of 3-5 parts by weight Piece is made after composite to get, the method is prior art, be will not be described here.
Above-described embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc. all should be included Within protection scope of the present invention.

Claims (9)

1. a kind of improve the photovoltaic tile that light is utilized, including watt matrix (1) and photovoltaic module (2), watt matrix (1) offers cavity, Photovoltaic module (2) includes frame, the body being arranged in frame and the terminal box being arranged on outside frame, terminal box and this body phase Even, the frame of photovoltaic module (2) is arranged in cavity, it is characterised in that the body includes glassy layer successively from top to bottom (21), battery pack (22), backsheet layer (23), between glassy layer (21) and battery pack (22), battery pack (22) and backsheet layer (23) Between be provided with ethylene-vinyl acetate copolymer layer (24), the glassy layer (21) and be coated with one layer of nano silicon Film, the backsheet layer (23) includes outer protective layer, intermediate layer and the internal layer transition zone directly contacted with the external world, outer protective layer Light enhancement layer is also set up between intermediate layer, light enhancement layer is light scattering layer or reflection layer.
2. according to claim 1 improve the photovoltaic tile that light is utilized, it is characterised in that the smooth enhancement layer is waveform.
3. according to claim 1 improve the photovoltaic tile that light is utilized, it is characterised in that light scattering layer is one layer of acrylic acid tree The lamellar structure that fat is blended with silica dioxide granule.
4. according to claim 1 improve the photovoltaic tile that light is utilized, it is characterised in that reflection layer is that surface is coated with Layer or the lamellar structure that surface is polishing layer.
5. according to claim 1 improve the photovoltaic tile that light is utilized, it is characterised in that also including at least 2 face speculums (12), speculum (12) is arranged on the fin of a watt matrix (1) (11), and at least 2 face speculums (12) are divided into 2 groups and are disposed opposite to each other.
6. according to claim 2 improve the photovoltaic tile that utilizes of light, it is characterised in that 2 groups of speculums for being disposed opposite to each other (12) angle between is 100-160 °.
7. according to claim 1 improve the photovoltaic tile that light is utilized, it is characterised in that outer protective layer and internal layer transition zone It is PVF.
8. according to claim 1 improve the photovoltaic tile that light is utilized, it is characterised in that intermediate layer is PET.
9. according to claim 3 improve the photovoltaic tile that utilizes of light, it is characterised in that the lamellar spacing of light scattering layer is 0.08-0.1mm。
CN201710318280.4A 2017-05-08 2017-05-08 It is a kind of to improve the photovoltaic tile that light is utilized Pending CN107154775A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710318280.4A CN107154775A (en) 2017-05-08 2017-05-08 It is a kind of to improve the photovoltaic tile that light is utilized

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710318280.4A CN107154775A (en) 2017-05-08 2017-05-08 It is a kind of to improve the photovoltaic tile that light is utilized

Publications (1)

Publication Number Publication Date
CN107154775A true CN107154775A (en) 2017-09-12

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201349012Y (en) * 2008-12-23 2009-11-18 中电电气(南京)太阳能研究院有限公司 Solar energy roof tile component
CN102138222A (en) * 2009-09-28 2011-07-27 丰田自动车株式会社 Solar cell module manufacturing method and precursor for solar cell module
CN202509696U (en) * 2012-03-22 2012-10-31 山东中晶新能源有限公司 Solar energy standard tile for roof
CN202627344U (en) * 2012-05-29 2012-12-26 王立勋 Roof tile combined with solar power generating device
CN103068895A (en) * 2010-08-12 2013-04-24 马迪可公司 Backing sheet for photovoltaic modules
US20130291456A1 (en) * 2010-12-10 2013-11-07 Solus Engineering, Llc Roof Tiles and Related Systems
EP2711990A1 (en) * 2012-09-21 2014-03-26 Ecole Polytechnique Fédérale de Lausanne (EPFL) Solar module and its production process
CN204424276U (en) * 2015-01-20 2015-06-24 中建材浚鑫科技股份有限公司 Photovoltaic tile
CN205961051U (en) * 2016-08-18 2017-02-15 南京中核能源工程有限公司 Photovoltaic module who possesses reflection function
CN206977348U (en) * 2017-05-08 2018-02-06 四川浩能新能源有限公司 A kind of improved photovoltaic tile

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201349012Y (en) * 2008-12-23 2009-11-18 中电电气(南京)太阳能研究院有限公司 Solar energy roof tile component
CN102138222A (en) * 2009-09-28 2011-07-27 丰田自动车株式会社 Solar cell module manufacturing method and precursor for solar cell module
CN103068895A (en) * 2010-08-12 2013-04-24 马迪可公司 Backing sheet for photovoltaic modules
US20130291456A1 (en) * 2010-12-10 2013-11-07 Solus Engineering, Llc Roof Tiles and Related Systems
CN202509696U (en) * 2012-03-22 2012-10-31 山东中晶新能源有限公司 Solar energy standard tile for roof
CN202627344U (en) * 2012-05-29 2012-12-26 王立勋 Roof tile combined with solar power generating device
EP2711990A1 (en) * 2012-09-21 2014-03-26 Ecole Polytechnique Fédérale de Lausanne (EPFL) Solar module and its production process
CN204424276U (en) * 2015-01-20 2015-06-24 中建材浚鑫科技股份有限公司 Photovoltaic tile
CN205961051U (en) * 2016-08-18 2017-02-15 南京中核能源工程有限公司 Photovoltaic module who possesses reflection function
CN206977348U (en) * 2017-05-08 2018-02-06 四川浩能新能源有限公司 A kind of improved photovoltaic tile

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Application publication date: 20170912

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