WO2022168473A1 - Dispositif de store à rouleau - Google Patents

Dispositif de store à rouleau Download PDF

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Publication number
WO2022168473A1
WO2022168473A1 PCT/JP2021/047226 JP2021047226W WO2022168473A1 WO 2022168473 A1 WO2022168473 A1 WO 2022168473A1 JP 2021047226 W JP2021047226 W JP 2021047226W WO 2022168473 A1 WO2022168473 A1 WO 2022168473A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
screen
receiving surface
roll screen
screen device
Prior art date
Application number
PCT/JP2021/047226
Other languages
English (en)
Japanese (ja)
Inventor
久史 石井
Original Assignee
株式会社Lixil
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 株式会社Lixil filed Critical 株式会社Lixil
Publication of WO2022168473A1 publication Critical patent/WO2022168473A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures
    • E06B9/11—Roller shutters
    • E06B9/17—Parts or details of roller shutters, e.g. suspension devices, shutter boxes, wicket doors, ventilation openings
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/40—Roller blinds
    • E06B9/42—Parts or details of roller blinds, e.g. suspension devices, blind boxes
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/58—Guiding devices
    • 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
    • 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
    • H02S30/20—Collapsible or foldable PV modules

Definitions

  • the present invention relates to a roll screen device equipped with solar cells.
  • a sealing layer is formed on the light-receiving surface of the solar cell, and a coating layer is formed thereon for surface protection.
  • the provision of the coating layer may reduce the power generation efficiency.
  • the present disclosure has been made in view of such problems, and its purpose is to provide a technique for improving power generation efficiency in a roll screen device equipped with solar cells.
  • a roll screen device includes a sheet-shaped screen portion and a holding portion that holds the screen portion.
  • the screen portion includes a solar cell, a light-receiving surface-side sealing layer formed on the light-receiving surface of the solar cell, a light-receiving surface-side coating layer formed on the light-receiving surface-side sealing layer, and a light-receiving surface-side coating. and a transparent hole formed in the layer.
  • FIG. 1 is a schematic front view of a roll screen device according to a first embodiment
  • FIG. BRIEF DESCRIPTION OF THE DRAWINGS It is a schematic horizontal sectional view of the roll screen apparatus which concerns on 1st Embodiment.
  • FIGS. 3(a) to 3(d) are diagrams for explaining types of transparent holes. It is a figure for demonstrating the modification of a roll screen apparatus. It is a schematic front view of the roll screen apparatus which concerns on a modification. It is a figure which shows the circumference
  • FIG. 1 is a schematic front view of a roll screen device 10 according to the first embodiment.
  • the roll screen device 10 is used by being attached to an opening of a building.
  • the roll screen device 10 includes a screen portion 12 , a holding portion 14 that suspends and holds the screen portion 12 , and a pair of guide rails 16 and 17 that guide the elevation of the screen portion 12 .
  • the screen part 12 is configured as a flexible rectangular sheet body.
  • the screen portion 12 has a longitudinal upper end portion connected to a winding portion 19 in the holding portion 14 and a bottom rail 18 provided at a lower end portion.
  • the bottom rail 18 exerts a force in a direction to pull down the screen portion 12, and exerts a function of applying tension to the screen portion 12 to enhance flatness.
  • the screen part 12 incorporates a plurality of solar cells 20 .
  • a plurality of rectangular solar cells 20 are arranged side by side in the vertical direction (height direction), but the arrangement method is not particularly limited, and any arrangement is possible.
  • a plurality of photovoltaic cells 20 are connected in series with each other.
  • the solar cell 20 is configured to utilize the photovoltaic effect and convert light energy into electrical power.
  • the layer structure of the screen portion 12 will be described later.
  • the holding section 14 includes a winding section 19 for winding the screen section 12 and a case 15 for housing the winding section 19 .
  • a known method such as a pull cord method or a chain method can be adopted for the lifting operation of the screen portion 12 .
  • an electric motor may be provided in the case 15 to make it electric.
  • the guide rails 16 and 17 are arranged at the left and right ends of the screen portion 12 and are configured to sandwich the ends of the screen portion 12 .
  • light leakage and heat leakage from the lateral sides of the screen portion 12 can be prevented, so that light shielding performance, heat shielding performance and heat insulating performance can be improved.
  • an effect of suppressing wrinkles of the screen portion 12 can be expected.
  • the screen part 12 containing the solar cells 20 has the property that wrinkles and uneven surfaces are more likely to occur than a normal screen made of fabric.
  • wrinkles and uneven surfaces of the screen portion 12 can be reduced.
  • the gap between the guide rail and roll screen may be closed with mohair.
  • FIG. 2 is a schematic horizontal sectional view of the roll screen device 10 according to the first embodiment.
  • the screen part 12 includes a solar cell 20, a light-receiving surface-side sealing layer 24 formed on a light-receiving surface (also called a power generation surface or surface) 20a of the solar cell 20, and a light-receiving surface 20a of the solar cell 20.
  • the roll screen device 10 is attached to the opening of the building so that the light receiving surface of the solar cell 20 faces the outdoor side and the back surface of the solar cell 20 faces the indoor side.
  • the thickness of the screen portion 12 may be, for example, 0.5 mm to 2.0 mm.
  • the solar cell 20 includes, for example, a polyimide substrate 21 , a thin film silicon 22 formed on the polyimide substrate 21 , and a transparent conductive film (ITO) 23 formed on the thin film silicon 22 .
  • the solar cell is not limited to thin-film silicon, but may be organic thin-film, dye-sensitized, perovskite, CIGS, CIS, tandem structures thereof, or the like.
  • the light-receiving surface-side sealing layer 24 is provided so as to cover the light-receiving surface 20 a of the solar cell 20 . Further, the back-side sealing layer 26 is provided so as to cover the back surface 20 b of the solar cell 20 .
  • An olefinic elastomer (TPO) can be used as the material of the sealing layer.
  • the back side covering layer 30 is provided so as to cover the back side sealing layer 26 .
  • the back side coating layer 30 may be formed of fibers such as polypropylene, polyethylene, polyester, or plastics (synthetic resin).
  • a colored and opaque resin may be used to impart a light-shielding property to the back side coating layer 30 .
  • a separate light-shielding layer may be provided on the back side covering layer 30 .
  • the light-receiving-surface-side covering layer 28 is provided so as to cover the light-receiving-surface-side sealing layer 24 .
  • the light-receiving surface side coating layer 28 may be made of a transparent or translucent resin such as ETFE (Ethylene Tetra Fluoro Ethylene).
  • ETFE Ethylene Tetra Fluoro Ethylene
  • the light-receiving surface side coating layer 28 may be formed of a colored resin for the purpose of improving the design.
  • a plurality of light-transmitting holes 32 are formed in the light-receiving surface side coating layer 28 .
  • the translucent holes 32 may be arranged regularly or randomly.
  • the diameter of the transparent hole 32 may be 0.1 mm to 20 mm.
  • the ratio of the light-transmitting holes 32 to the total area of the light-receiving side coating layer 28 may be less than 1% to less than 100%, preferably 1% to 99%, more preferably 5% to 80%. It can be.
  • FIGS. 3(a) to 3(d) are diagrams for explaining the types of the translucent holes 32.
  • the plurality of light-transmitting holes 32 formed in the light-receiving surface side coating layer 28 may be circular or polygonal holes when viewed from the front, as shown in FIG. 3(a).
  • the light-transmitting hole 32 may be one large hole provided in the central portion of the light-receiving surface side coating layer 28, as shown in FIG. 3(b).
  • a single large hole does not have to be a completely enclosed hole, and may be a hole with a missing top end as shown in FIG. It may be a hole with a missing lower end.
  • the light-transmitting holes 32 may be through-holes penetrating through the light-receiving surface side coating layer 28 in the thickness direction.
  • Such through-holes may be formed in the material layer by a physical or chemical method after a material for forming the light-receiving-surface-side covering layer 28 is applied all over the light-receiving-surface-side sealing layer 24 .
  • the through-holes are formed by curing a portion of the light-receiving surface-side sealing layer 24 where the through-holes are to be formed with a tape or the like, applying a material for forming the light-receiving surface-side coating layer 28, and then removing the curing. good too.
  • the power generation efficiency decreases. Even if the coating layer is transparent or translucent, the power generation efficiency is slightly lowered, and if the coating layer is colored, the power generation efficiency is lowered to a greater extent.
  • the power generation efficiency can be improved. Especially when the light-receiving surface side coating layer 28 is colored, the power generation efficiency can be greatly improved.
  • the light-transmitting hole 32 is a through hole, but the light-transmitting hole 32 is not limited to being a through hole, and may have higher light transmittance than the surrounding portion.
  • the translucent hole 32 may be formed by providing a transparent hole-like portion in the non-transparent light-receiving surface side coating layer 28 . In this case also, sunlight can be taken into the solar cell 20 through the transparent hole-shaped portions, so that the power generation efficiency can be improved compared to the case where the entire surface is non-transparent.
  • the left and right ends of the screen portion 12 are sandwiched between the guide rails 16 and 17 .
  • Solar cells 20 are not formed at the ends of screen portion 12 sandwiched by guide rails 16 and 17. As shown in FIG.
  • the roll screen device 10 according to the present embodiment, it is possible to both improve power generation efficiency and ensure sliding resistance.
  • FIG. 4 is a diagram for explaining a modification of the roll screen device.
  • a dummy thin film silicon 27 and a dummy transparent electrode film 29 are formed at the ends of the screen portion 12 sandwiched between the guide rails 16 and 17.
  • the dummy thin film silicon 27 and the dummy transparent electrode film 29 are not provided with extraction electrodes. That is, the portion where dummy thin film silicon 27 and dummy transparent electrode film 29 are formed serves as dummy solar cell portion 51 that does not contribute to power generation.
  • the portion where the thin film silicon 22 and the transparent electrode film 23 are formed inside the dummy solar cell portion 51 in the plane of the screen portion 12 is provided with an extraction electrode, and the solar cell portion that contributes to power generation. 50.
  • the design can be unified with the solar cell portion 50.
  • FIG. 5 is a schematic front view of a roll screen device 110 according to a modification.
  • FIG. 6 is a diagram showing the periphery of the winding unit 19 of the roll screen device 110 according to the modification.
  • FIG. 7 is a diagram showing the periphery of the bottom rail 18 of the roll screen device 110 according to the modification.
  • the dummy solar cell section 51 is provided at the end of the screen section 12 sandwiched between the guide rails 16 and 17. Further, in the roll screen device 110, as shown in FIG. 6, a dummy solar cell section 52 is also provided at the upper end portion of the screen section 12 fixed to the winding section 19. As shown in FIG. Furthermore, in the roll screen device 110, as shown in FIG. 7, a dummy solar cell section 52 is also provided at a portion fixed to the bottom rail 18 at the lower end of the screen section 12. As shown in FIG.
  • the roll screen device 10 according to this embodiment can also be used as a projection screen by projecting an image onto the back side coating layer 30 . That is, according to the roll screen device 10 according to the present embodiment, light shielding, power generation, projection, heat shielding and heat insulation can be realized at the same time.
  • FIG. 8 is a schematic horizontal sectional view of a roll screen device 40 according to the second embodiment.
  • a roll screen device 40 according to the second embodiment differs from the roll screen device 10 according to the first embodiment in the configuration of the light-receiving surface side coating layer 28 .
  • the portion 28c of the light-receiving surface side coating layer 28 covering the solar cell 20 slides on the guide rails 16 and 17. It is formed thinner than the end portions 28a and 28b of the light-receiving surface side covering layer 28 which moves.
  • the thickness of the portion 28c of the light-receiving side covering layer 28 covering the solar cell 20 may be, for example, 0.025 mm to 0.25 mm.
  • the thickness of the end portions 28a, 28b of the light-receiving side coating layer 28 sliding on the guide rails 16, 17 may be, for example, 0.5 mm to 1.5 mm.
  • the end portions 28a, 28b of the light-receiving surface side coating layer 28 that slide on the guide rails 16, 17 are made thick, so that sliding resistance can be ensured.
  • the roll screen device 40 according to the present embodiment can also improve power generation efficiency and ensure sliding resistance.
  • the present invention can be used for roll screen devices equipped with solar cells.
  • 10, 40, 110 roll screen device 12 screen part, 14 holding part, 15 case, 16 guide rail, 20 solar battery cell, 21 polyimide substrate, 22 thin film silicon, 24 light receiving side sealing layer, 26 back side sealing Layer, 28 Light-receiving side coating layer, 30 Back side coating layer, 32 Translucent hole, 50 Solar cell part, 51, 52, 53 Dummy solar cell part.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Photovoltaic Devices (AREA)
  • Special Wing (AREA)

Abstract

La présente invention concerne un dispositif de store à rouleau 10 comprenant : une partie écran 12 formée comme une feuille ; et une partie de maintien qui maintient la partie écran 12. La partie écran 12 est pourvue d'une cellule de batterie solaire 20, d'une couche d'étanchéité côté réception de la lumière 24 formée sur une surface de réception de la lumière 20a de la cellule de batterie solaire 20, d'une couche de recouvrement côté réception de la lumière 28 formée sur la couche d'étanchéité côté réception de la lumière 24 et des trous de transmission de lumière 32 formés dans la couche de recouvrement côté réception de la lumière 28.
PCT/JP2021/047226 2021-02-05 2021-12-21 Dispositif de store à rouleau WO2022168473A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021017628A JP2022120616A (ja) 2021-02-05 2021-02-05 ロールスクリーン装置
JP2021-017628 2021-02-05

Publications (1)

Publication Number Publication Date
WO2022168473A1 true WO2022168473A1 (fr) 2022-08-11

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ID=82742150

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2021/047226 WO2022168473A1 (fr) 2021-02-05 2021-12-21 Dispositif de store à rouleau

Country Status (2)

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JP (1) JP2022120616A (fr)
WO (1) WO2022168473A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1093124A (ja) * 1996-09-12 1998-04-10 Canon Inc 太陽電池モジュール
JPH1122332A (ja) * 1997-07-09 1999-01-26 Figura Kk 複層ガラス
JP2013076293A (ja) * 2011-09-30 2013-04-25 Mitsubishi Chemicals Corp ロールスクリーン装置
JP2015166525A (ja) * 2014-03-03 2015-09-24 株式会社岡村製作所 収納システム

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1093124A (ja) * 1996-09-12 1998-04-10 Canon Inc 太陽電池モジュール
JPH1122332A (ja) * 1997-07-09 1999-01-26 Figura Kk 複層ガラス
JP2013076293A (ja) * 2011-09-30 2013-04-25 Mitsubishi Chemicals Corp ロールスクリーン装置
JP2015166525A (ja) * 2014-03-03 2015-09-24 株式会社岡村製作所 収納システム

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Publication number Publication date
JP2022120616A (ja) 2022-08-18

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