WO2019054410A1 - Dispositif d'éclairage naturel - Google Patents

Dispositif d'éclairage naturel Download PDF

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Publication number
WO2019054410A1
WO2019054410A1 PCT/JP2018/033818 JP2018033818W WO2019054410A1 WO 2019054410 A1 WO2019054410 A1 WO 2019054410A1 JP 2018033818 W JP2018033818 W JP 2018033818W WO 2019054410 A1 WO2019054410 A1 WO 2019054410A1
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WO
WIPO (PCT)
Prior art keywords
light
louver
louvers
daylighting
modification
Prior art date
Application number
PCT/JP2018/033818
Other languages
English (en)
Japanese (ja)
Inventor
透 菅野
康 浅岡
俊平 西中
Original Assignee
シャープ株式会社
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 シャープ株式会社 filed Critical シャープ株式会社
Priority to JP2019542263A priority Critical patent/JPWO2019054410A1/ja
Publication of WO2019054410A1 publication Critical patent/WO2019054410A1/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
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • 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
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/264—Combinations of lamellar blinds with roller shutters, screen windows, windows, or double panes; Lamellar blinds with special devices
    • 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
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/36—Lamellar or like blinds, e.g. venetian blinds with vertical lamellae ; Supporting rails therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S11/00—Non-electric lighting devices or systems using daylight
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/02—Refractors for light sources of prismatic shape

Definitions

  • One aspect of the present invention relates to a daylighting device.
  • Priority is claimed on Japanese Patent Application No. 2017-177830, filed September 15, 2017, the content of which is incorporated herein by reference.
  • Patent Document 1 discloses a "slat angle adjustment device for vertical blinds" provided with interference preventing means that do not mutually interfere with the rotation of adjacent slats.
  • Patent No. 5193847 gazette
  • One aspect of the present invention is made to solve the above-mentioned problems, and it is an object of the present invention to provide a daylighting device capable of causing individual louvers to effectively follow the movement of the sun. Do.
  • a lighting apparatus comprising: a plurality of louvers, each extending in the vertical direction and arranged in horizontal direction; A supporting member for supporting the louvers in a suspended form and moving the plurality of louvers horizontally, each of the plurality of louvers being provided with a lighting unit including a plurality of prism structures; It has one surface, and each of the plurality of louvers has two rotation directions different from each other about a rotation axis extending in the vertical direction from a reference posture in which the first surface is positioned substantially parallel to the window surface It is supposed to be rotatable.
  • each of the plurality of louvers may be rotatable according to the direction in which the sun moves.
  • a light collecting apparatus includes: a rotational drive mechanism for rotationally driving each of the plurality of louvers; and the rotational drive so as to automatically change the rotational angle of the louver following the direction of the sun And a controller that controls the mechanism.
  • the louver may further include a solar cell element.
  • the pitch between the adjacent louvers may be the same as the width of the louvers or may be wider than the width of the louvers.
  • the rotation axes of the adjacent louvers may be arranged at positions different in distance from the window surface.
  • the light collecting apparatus may further include a light reducing member that reduces the amount of light going straight through the gap between the adjacent louvers.
  • the louver is made of a light collecting film having a first surface provided with a light collecting portion including the plurality of prism structures, and a material having visible light transparency.
  • the storage part which stores a daylighting film may be provided.
  • the louver may further include a functional member that causes a predetermined action on incident light.
  • the functional member may be detachable from the louver.
  • the functional member may be a light blocking member.
  • the functional member may be a light diffusing member.
  • FIG. 2 is a cross-sectional view of the daylighting device taken along the line II-II in FIG. It is a perspective view of a daylighting device.
  • FIG. 7 is a perspective view of a carrier and a spacer link. It is a top view of a head box. It is a disassembled perspective view of the rotation mechanism of a carrier. It is a perspective view of a carrier for explaining rotation operation of a hook in this embodiment. It is a perspective view of a carrier for explaining rotation operation of a hook in this embodiment. It is a perspective view of a carrier for explaining rotation operation of a hook in this embodiment. It is a perspective view of a carrier for explaining rotation operation of a hook in this embodiment.
  • FIG. 1 It is a perspective view of a carrier for explaining rotation operation of a general hook. It is a perspective view of a carrier for explaining rotation operation of a general hook. It is a perspective view of a carrier for explaining rotation operation of a general hook. It is a perspective view of a direction change joint. It is a side view of the carrier in the state where the direction change joint was attached. It is a figure for demonstrating the operation
  • FIG. 1 It is a perspective view of a daylighting apparatus for explaining rotation operation of a general hook.
  • FIG. 15 is a cross-sectional view of the daylighting device, taken along the line XV-XV in FIG. It is a perspective view of a carrier. It is a bottom view of a career. It is sectional drawing of the daylighting device of a 1st modification. It is a sectional view of a daylighting device of a 2nd modification. It is a front view of the daylighting apparatus of 3rd Embodiment. It is a perspective view of the carrier in the state where the louver was stored. It is a perspective view of the carrier of the state where the louver was opened. It is a front view of the daylighting device of a 1st modification. It is a perspective view of the louver in the lighting apparatus of 4th Embodiment.
  • FIG. 1 is a front view of the daylighting device of the first embodiment.
  • FIG. 2 is a cross-sectional view of the daylighting device taken along the line II-II in FIG.
  • FIG. 3 is a perspective view of the daylighting device.
  • the reduced scale of a dimension may be shown differently by component.
  • the light collecting apparatus 10 of the present embodiment is installed to face the indoor surface 11 a of the window glass 11.
  • the surface on the indoor side of the window glass 11 is referred to as a window surface 11 a.
  • the daylighting apparatus 10 includes a plurality of louvers 12 and a head box 13 (supporting member) for supporting the plurality of louvers 12.
  • the plurality of louvers 12 extend in the vertical direction and are arranged side by side in the horizontal direction.
  • the head box 13 supports the plurality of louvers 12 in a suspended manner on the indoor side of the window surface 11 a and moves the plurality of louvers 12 in the horizontal direction.
  • each of the plurality of louvers 12 is supported by the head box 13 in a state in which the upper end of the louver 12 is hooked to a hook described later.
  • a balance weight 14 is provided at the lower end of each louver 12.
  • An end portion of the head box 13 is provided with an operation cord 16 for opening and closing the plurality of louvers 12 and rotating each louver 12.
  • each louver 12 has a base having a first surface 19 a provided with a light collecting unit 18 including a plurality of prism structures 17 and a second surface 19 b opposite to the first surface 19 a. It is made of a material 19.
  • the plurality of prism structures 17 are provided on the first surface 19 a such that the longitudinal direction of each prism structure 17 extends in a direction perpendicular to the longitudinal direction of the louver 12, that is, substantially in the horizontal direction.
  • a light transmitting base material composed of a resin such as a thermoplastic polymer, a thermosetting resin, or a photopolymerizable resin is used.
  • a light transmitting substrate having an acrylic polymer, an olefin polymer, a vinyl polymer, a cellulose polymer, an amide polymer, a fluorine polymer, a urethane polymer, a silicone polymer, an imide polymer and the like is used.
  • TAC triacetyl cellulose
  • PET polyethylene terephthalate
  • COP cycloolefin polymer
  • PC polycarbonate
  • PEN polyethylene naphthalate
  • PES polyether sulfone
  • a light transmitting substrate such as a film or a polyimide (PI) film is preferably used.
  • PI polyimide
  • the total light transmittance of the substrate 19 is preferably, for example, 90% or more. This provides sufficient transparency.
  • the cross-sectional shape perpendicular to the longitudinal direction of the prism structure 17 is an isosceles triangle.
  • the angle between the surface 17a and the surface 17b and the angle between the surface 17a and the surface 17c are, for example, 65 °.
  • the prism structure 17 has a function of collecting sunlight into the room by reflecting the light incident from the upper surface 17 b by the lower surface 17 c.
  • the surface 17c is referred to as a reflective surface 17c in the following description.
  • the prism structure 17 is made of, for example, an organic material having optical transparency and photosensitivity, such as an acrylic resin, an epoxy resin, or a silicone resin.
  • an organic material having optical transparency and photosensitivity such as an acrylic resin, an epoxy resin, or a silicone resin.
  • the mixture made of transparent resin which mixed the polymerization initiator, the coupling agent, the monomer, the organic solvent etc. with these resin can be used.
  • the polymerization initiator may contain various additional components such as stabilizers, inhibitors, plasticizers, optical brighteners, mold release agents, chain transfer agents, other photopolymerizable monomers, etc. Good.
  • the total light transmittance of the organic material is preferably 90% or more. This provides sufficient transparency.
  • the sunlight L transmitted through the window glass 11 is incident on the prism structure 17, and there are several possible paths when emitted from the substrate 19.
  • a typical path is shown in FIG.
  • the prism structure 17 emits the light L reflected by the reflection surface 17 c from the second surface 19 b side of the base material 19 and causes the light L to travel in the indoor horizontal direction or toward the ceiling.
  • the daylighting apparatus 10 takes in the sunlight L indoors and guides it in the horizontal direction or in the direction of the ceiling.
  • the refractive index of the air gap 20 is approximately 1.0.
  • the air gap 20 is an air layer made of air, but the air gap 20 is covered with another member, for example, to be a sealed space, and then made of inert gas such as nitrogen. It may be an active gas layer, or may be a reduced pressure layer under reduced pressure.
  • the void 20 may be filled with another low refractive index material.
  • the refractive index difference at the interface between the prism structure 17 and the air gap 20 is greatest when air is present in the air gap 20 than when any low refractive index material is present. Therefore, when air is present in the air gap 20, the critical angle of the light totally reflected by the reflection surface 17c in the sunlight L incident on the prism structure 17 becomes the smallest according to Snell's law.
  • FIG. 4 is a perspective view of the carrier 22 and the spacer link 23.
  • FIG. 5 is a plan view of the head box 13.
  • FIG. 6 is an exploded perspective view of the rotation mechanism of the carrier 22.
  • the head box 13 includes an open / close shaft 24, a rotation shaft 25, a plurality of carriers 22, and a plurality of spacer links 23.
  • An open / close shaft 24 used for opening and closing the louver 12 and a rotating shaft 25 used for rotating the louver 12 are accommodated in the head box 13.
  • the carrier 22 is provided corresponding to each of the plurality of louvers 12.
  • the carrier 22 supports the louvers 12 in a suspended manner, and also has a function of moving the louvers 12 by moving along the opening and closing shaft 24.
  • the carrier 22 is provided with a hole 22 c through which the open / close shaft 24 is inserted, a hole 22 d through which the rotary shaft 25 is inserted, and a hook 26 for suspending the louver 12.
  • the carrier 22 includes a rotary gear 27 and a rotary shaft 29 provided with a worm wheel 28 at the upper end and a hook 26 at the lower end.
  • the rotating gear 27 rotates in conjunction with the rotation of the rotating shaft 25 inserted into the hole 22 d of the carrier 22.
  • the worm wheel 28 rotates in conjunction with the rotary gear 27, and the hook 26 rotates via the rotary shaft 29.
  • the louver 12 suspended by the hook 26 rotates about a rotation axis extending in the vertical direction.
  • the groove direction (direction of the arrow W) of the hook 26 corresponds to the width direction of the louver 12.
  • the spacer link 23 has a function of connecting two adjacent carriers 22 and defining a distance between the two adjacent carriers 22.
  • the distance between two adjacent carriers 22 can be changed.
  • the distance between two adjacent carriers 22 corresponds to the pitch of two adjacent louvers 12. That is, by adjusting the length of the spacer link 23, the pitch of the louvers 12 can be changed.
  • the length of the spacer link 23 is adjusted such that the pitch of the louvers 12 is equal to or more than the width (dimension in the short direction) of the louvers 12.
  • the louver pitch is defined as the distance between the rotation axes of two adjacent louvers when the light collecting device is viewed from the front.
  • FIG. 8A to 8C are perspective views of the carrier 122 for explaining the rotational movement of the hooks 126 of the general carrier 122.
  • FIG. FIG. 8B shows the direction of the hook 126 when the louver 112 is in the reference position.
  • FIG. 8A shows a state in which the louver 112 is maximally rotated clockwise (in the direction of the arrow RA in FIG. 8B) with respect to the reference posture when the louver 112 is viewed from above.
  • FIG. 8C shows a state in which the louver 112 is maximally rotated counterclockwise (in the direction of the arrow RC in FIG. 8B) with respect to the reference posture when the louver 112 is viewed from above.
  • the hook 126 faces the room side with the hook 126 facing the side (right or left) as viewed from a person in the room.
  • the hook 126 rotates between the facing state and the state facing the window side.
  • FIG. 7A to 7C are perspective views of the carrier 22 for explaining the rotation operation of the hooks 26 of the carrier 22 in the present embodiment.
  • FIG. 7B shows the direction of the hook 26 when the louver 12 is in the reference posture.
  • FIG. 7A shows a state in which the louver 12 is maximally rotated counterclockwise (in the direction of the arrow RA in FIG. 7B) with respect to the reference posture when the louver 12 is viewed from above.
  • FIG. 7C shows a state in which the louver 12 is maximally rotated clockwise (in the direction of the arrow RC in FIG. 7B) with respect to the reference posture when the louver 12 is viewed from above.
  • the state in which the hooks 26 face the window side or the indoor side as viewed from a person in the room is a reference posture.
  • the hook 26 rotates between the state in which the hook 26 faces to the right and the state in which the hook 26 faces to the left.
  • the meshing position of the worm wheel 28 with respect to the rotating gear 27 in the state of the standard posture is a general carrier. It may be rotated by 90 ° from the meshing position at 22.
  • FIG. 9 is a perspective view of the direction change joint 31.
  • FIG. 10 is a side view of the carrier 22 with the direction changing joint 31 attached.
  • the direction changing joint 31 includes an annular portion 31A and a hook portion 31B for suspending the louver 12.
  • the annular portion 31A is provided with a hole 31h for being hooked on the hook 26 of the carrier 22.
  • the plate surface 31Aa of the annular portion 31A and the groove direction W of the hook portion 31B are orthogonal to each other in the horizontal plane.
  • the direction changing joint 31 having the above configuration As shown in FIG. 10, by attaching the direction changing joint 31 having the above configuration to the general carrier 122, the direction of the hook (hook portion 31B) is converted by 90 ° with respect to the case where the direction changing joint 31 is not attached. be able to. In this way, it is possible to perform the rotational operation of the louver 12 specific to the present embodiment as shown in FIGS. 7A to 7C while using the general carrier 122.
  • parameters such as the shape of the prism structure constituting the daylighting unit and the inclination angle of each surface are optimum daylighting when sunlight is incident from the direction perpendicular to the extending direction of the prism structure It is usually designed to obtain characteristics. Therefore, if the daylighting device is designed for south-facing windows and installed on that street, the desired daylighting performance can be obtained when the sun is in the south direction in the daytime, but the sun is eastward or westward in the morning and evening When in the azimuth, the desired light collecting performance can not be obtained. In this case, if it is possible to rotate the light collecting part following the movement of the sun so that the sunlight is incident from the direction perpendicular to the extending direction of the prism structure, desired light collecting performance can always be obtained. it can.
  • FIG. 12 is a diagram for explaining the operation of the louver 212 in the daylighting apparatus 210 of the comparative example.
  • the louver pitch P is equal to the width T of the louver in order to reliably prevent light from leaking between adjacent louvers and being leaked from the outside when the louver is fully closed. Less than. Therefore, in the light collecting apparatus 210 of the comparative example, as shown in FIG. 12, when the louver 212 is in the fully closed state, the edge in the width direction of the louver 212 overlaps the edge of the adjacent louver 212. In this case, when the louver 212 is rotated counterclockwise (direction indicated by the arrow RE) in FIG. 12 from the fully closed state, the adjacent louvers 212 interfere with each other, and the louver 212 can not be rotated.
  • a position where the louver 212 is fully opened that is, a position where the first surface 212a of the louver 212 faces in a direction perpendicular to the window surface 11a.
  • the louver 212 is rotated between the posture to be In this case, for example, the time until the sun moves from east (E) to south (S) causes the first surface 212a of the louver 212, that is, the surface on which the prism structure is provided to follow the movement of the sun However, the time it takes the sun to move from the south (S) to the west (W) can not make the first surface 212a of the louver 212 follow the movement of the sun.
  • FIG. 11 is a figure for demonstrating the operation
  • the louver pitch P is equal to or larger than the width T of the louver. Therefore, unlike the light collecting device 210 of the comparative example, adjacent louvers 12 do not interfere with each other. Thus, with the position where the louver 12 is in the fully closed state as a reference posture, the louver 12 can be rotated to open in either left or right direction.
  • the louver 12 is viewed clockwise from above (clockwise as indicated by arrow RF) and counterclockwise (arrow RE). Can be rotated in both directions). That is, the louver 12 of the present embodiment can be rotated in two different rotational directions about a rotation axis extending in the vertical direction from the reference posture in which the first surface 12a is positioned substantially parallel to the window surface 11a. ing.
  • the first surface 12 a of the louver 12, that is, the surface on which the prism structure 17 is provided is moved to the movement of the sun all day until the sun moves from the east (E) to the west (W) It can be made to follow.
  • the directions of the plurality of louvers 12 can be effectively made to follow the movement of the sun without using a complicated rotation mechanism. Thereby, desired daylighting performance can be obtained.
  • FIG. 13 is a front view of the daylighting device of the second embodiment.
  • FIG. 14 is a perspective view of the daylighting device.
  • FIG. 15 is a cross-sectional view of the daylighting device taken along the line XV-XV in FIG.
  • the same components as those in the first embodiment are given the same reference numerals, and the description thereof is omitted.
  • the louvers 35 when the plurality of louvers 35 are viewed sequentially from the indoor side in the horizontal direction, the louvers 35 are adjacent as follows: front, back, front, back,.
  • the louvers 35 are arranged at positions alternately shifted in the front-rear direction. That is, when the light collecting device 34 is viewed from the front, the rotation shafts 29 of the louvers 35 adjacent to each other are arranged at positions different in distance from the window surface 11 a. Referring to FIG.
  • the plurality of louvers 35 are arranged in two rows, and the rotational axes 29 of the odd-numbered louvers 35A counted from the left are arranged closer to the window surface 11a, and the even-numbered ones counted from the left.
  • the rotation axis of the louver 35B is disposed on the side far from the window surface 11a.
  • the louver pitch P is smaller than the width T of the louver.
  • the louver pitch P is 95 mm, and the louver width T is 100 mm. Therefore, as shown in FIG. 13, when the light collecting device 34 is viewed from the front, the edges of the adjacent louvers 35 overlap each other.
  • the displacement amount S of the rotational shaft 29 of the adjacent louvers 35 in the front-rear direction is about 30 mm.
  • FIG. 16 is a perspective view of the carrier 36.
  • FIG. FIG. 17 is a bottom view of the carrier 36.
  • FIG. 16 and 17 only two adjacent carriers 36 among the plurality of carriers 36 corresponding to the plurality of louvers 35 are illustrated.
  • the first gear 38 is provided at the lower end of the first shaft 37 connected to the same worm wheel (not shown) as the first embodiment. ing. Further, a second shaft 39 supported by a support mechanism (not shown) is provided, and a second gear 40 meshing with the first gear 38 is provided at the upper end of the second shaft 39. A hook 41 similar to the one embodiment is provided.
  • the positions of the second shaft 39 with respect to the first shaft 37 are different from each other.
  • the second shaft 39 is disposed on the back side of the first shaft 37 in the carrier 36 on the left side, and the second shaft 39 is disposed on the near side of the first shaft in the carrier 36 on the right side. Since the position of the second shaft 39 corresponds to the position of the rotation shaft 29 of the louver 35, this configuration makes it possible to make the distances from the window surface of the rotation shaft 29 of the adjacent louvers 35 different from each other.
  • the circle indicated by K in FIG. 15 indicates the locus of the edge of the louver 35 when each louver 35 is rotated.
  • the positions of the rotation shafts 29 of the adjacent louvers 35 are shifted in the front-rear direction, so that the respective louvers 35 are rotated.
  • the position where the first surface of the louver 35 faces in the direction parallel to the window surface is clockwise as viewed from above , Can be rotated both counterclockwise.
  • the directions of the plurality of louvers 35 can be effectively made to follow the movement of the sun without using a complicated rotation mechanism, and a desired light collecting performance can be obtained. The same effect is obtained.
  • the louvers 35 adjacent to each other when the light collecting device 34 is viewed from the front overlap leakage of sunlight incident from the front of the light collecting device 34 is greater than in the first embodiment. It is hard to occur. If sunlight is incident obliquely when the louver 35 is in the reference posture (attitude parallel to the window surface), there is a possibility that leakage occurs. However, when the sunlight is incident obliquely, the louver 35 is rotated. There is no problem in particular. Therefore, it is possible to suppress glare from being felt by a person who is indoors due to the leaked light.
  • FIG. 18 is a cross-sectional view of a daylighting device 44 according to a first modification of the present embodiment.
  • the louver pitch P1 is smaller than the louver pitch P of the above embodiment.
  • the louver pitch P of the said embodiment was 95 mm, the louver pitch P1 of this modification is 75 mm.
  • the overlapping width of the adjacent louvers 35 when the light collecting device 44 is viewed from the front becomes larger than the overlapping width of the above embodiment.
  • the shift amount S1 of the rotational axis of the adjacent louvers 35 in the front-rear direction is about 65 mm, which is larger than the shift amount S in the front-rear direction of the above embodiment.
  • FIG. 19 is a cross-sectional view of a daylighting device 47 according to a first modification of the present embodiment.
  • the widths of the two rows of louvers 48 and 49 different in distance from the window surface 11 a are different from each other.
  • the width of the louver 49 on the indoor side is smaller than the width of the louver 48 on the window side.
  • the width of the louver on the indoor side may be wider than the width of the louver on the window side.
  • the width T1 of the indoor side louver 49 is 50 mm
  • the width T2 of the window side louver 48 is 100 mm.
  • the louver pitch P is 70 mm.
  • various parameters such as the width of the louver on the indoor side, the width of the louver on the window side, the louver pitch, and the deviation of the rotational axis of the louver in the front-rear direction can be set as appropriate. In any case, the same effect as the above embodiment can be obtained.
  • FIG. 20 is a front view of the daylighting device 50 of the third embodiment.
  • FIG. 21A is a perspective view of the carrier 22 in a state in which the louver 12 is stored.
  • FIG. 21B is a perspective view of the carrier 22 with the louver 12 open.
  • the same components as in the drawings used in the first embodiment will be assigned the same reference numerals and descriptions thereof will be omitted.
  • the light collecting device 50 of the present embodiment includes a plurality of louvers 12, a head box 13, and a plurality of light reducing members 51.
  • Each of the plurality of light reducing members 51 is provided corresponding to the position of each gap between the adjacent louvers 12.
  • Each light reducing member 51 reduces the amount of light going straight through the gap between the adjacent louvers 12.
  • Each light reducing member 51 has a rectangular shape elongated in the vertical direction.
  • the plurality of light reducing members 51 may be disposed on the indoor side relative to the louver 12 or may be disposed on the window side relative to the louver 12.
  • cloth, paper or the like can be used as the material of the light reducing member 51, and the light shielding property can be adjusted by the material to be selected.
  • the head box 13 of this embodiment is further provided with the connection member 52 which connects adjacent two carriers 22 comrades.
  • the connecting member 52 includes two plate members 52B that can be opened and closed through the hinge portion 52A.
  • the light reducing member 51 is suspended by the hinge 52 A of the connecting member 52.
  • the two plate members 52B of the connecting member 52 are closed, and the light reducing member 51 is in a folded state.
  • FIG. 21B in a state in which the plurality of louvers 12 are pulled out and the two carriers 22 are separated, the two plate members 52B of the connecting member 52 are opened, and the light reducing member 51 is opened. Therefore, the light reducing member 51 is always disposed corresponding to the gap between the adjacent louvers 12 and does not rotate.
  • the other configuration of the daylighting device 50 is the same as that of the first embodiment.
  • the directions of a plurality of louvers can be effectively made to follow the movement of the sun without using a complicated rotation mechanism, and a desired light collecting performance can be obtained. The same effect is obtained.
  • the light collecting device 50 since the light collecting device 50 includes the light reducing member 51, the intensity of light entering the room through the gap between the adjacent louvers 12 is weakened regardless of the angle of the louvers 12 . As a result, it is possible to prevent glare from being felt by the person who is in the room by the leaked light.
  • FIG. 22 is a cross-sectional view of a daylighting device 55 according to a first modification of the present embodiment.
  • a light collecting device 55 of this modification includes a plurality of louvers 12, a head box 13, and a light reducing member 56.
  • the light reducing member 56 is provided so as to cover not only the position of each gap between the adjacent louvers 12 but also the whole of the plurality of louvers 12.
  • the light reducing member 56 reduces the amount of light going straight through the gap between the adjacent louvers 12 and further reduces the intensity of the light taken into the room through the light collecting unit 18.
  • the light reducing member 56 may be suspended from the head box 13.
  • the light reducing member 56 since the light transmitted through the louver 12 is transmitted through the light reducing member 56 and taken into the room, the light reducing member 56 needs to have a certain degree of transmittance. Therefore, as the material of the light reducing member 56, it is desirable to use a light-transmissive thin cloth, paper or the like, for example, as a cloth of a lace curtain.
  • FIG. 23 is a perspective view of the louver 59 in the lighting device of the fourth embodiment.
  • a louver 59 includes a daylighting film 60, a housing portion 61 for housing the daylighting film 60, and a functional member 62 for causing a predetermined action to the incident light L; Is equipped.
  • the daylighting film 60 has a daylighting unit 18 including a plurality of prism structures 17.
  • two light transmitting members 61A and 61B having visible light transmitting properties are formed in a bag shape, and the daylighting film 60 is stored inside.
  • the functional member 62 is connected to the lower side of the storage portion 61.
  • the functional member 62 is made of, for example, a light shielding member, a light diffusing member or the like, and causes the louver 59 to function as a light shielding property, a light diffusing property and the like.
  • the functional member 62 may be provided with heat shielding properties, ultraviolet blocking properties, design properties, and the like.
  • a plurality of functional members having different actions may be connected to the lower side of the storage portion 61.
  • the functional member 62 is sewn to the lower side of the storage portion 61 by a thread or the like.
  • the method of connecting the functional member 62 to the storage part 61 is not limited to sewing, and any method may be used.
  • the direction of the plurality of louvers can be effectively made to follow the movement of the sun without using a complicated rotation mechanism, and it is possible to realize a daylighting device capable of obtaining a desired daylighting performance. The same effect as that of the embodiment can be obtained.
  • the upper portion has the same light collecting action as the first embodiment
  • the lower portion has the louver having various functions such as light shielding property, light diffusing property, heat shielding property, ultraviolet ray blocking property, and design property. 59 can be provided.
  • the louver 59 has a configuration in which the daylighting film 60 is accommodated in the accommodation portion 61, it is possible to easily perform operations such as removal and replacement of the daylighting film 60.
  • a functional member such as a light diffusion film may be stored in the storage portion 61 instead of the light collecting film 60.
  • FIG. 24 is a cross-sectional view of a louver 65 according to a first modification of the present embodiment.
  • the daylighting film 60 is provided on the top of the first surface 62 a of the functional member 62.
  • the function and material of the functional member 62 may be the same as in the above embodiment, but since the light L is taken into the room through the functional member 62, the functional member 62 needs to have at least light transparency.
  • the louver 65 may not necessarily include the storage portion.
  • the daylighting film 60 is sewn to the functional member 62.
  • FIG. 25 is a cross-sectional view of a louver 68 according to a second modification of the present embodiment.
  • the daylighting film 60 is provided on the upper side of the second surface 62 b of the functional member 62.
  • the light collecting film 60 is provided such that the first surface 60 a on the side where the prism structure 17 is provided faces the second surface 62 b of the functional member 62.
  • the daylighting film 60 is fixed to the functional member 62 via an adhesive 69 provided at a plurality of places.
  • louvers 65 and 68 of these modifications the same effect as that of the above embodiment can be obtained.
  • removal and replacement work of the daylighting film 60 is difficult to perform compared to the above embodiment, but the attachment method and structure of the daylighting film 60 are simple, and the cost of the louvers 65 and 68 is Can be reduced.
  • FIG. 26 is a cross-sectional view of a louver 71 according to a third modification of the present embodiment.
  • the functional member 62 is connected to the lower side of the daylighting film 60 via a hook 72.
  • the function and material of the functional member 62 may be the same as in the above embodiment.
  • a magnet, a fastener, a surface fastener, a snap button or the like may be used as a means for connecting the functional member 62 and the daylighting film 60. That is, the functional member 62 of this modification is detachably attached to the louver 71.
  • louver 71 of this modification also in the daylighting apparatus provided with the louver 71 of this modification, the same effect as that of the above embodiment can be obtained. Moreover, in the case of the louver 71 of this modification, removal and replacement work of the functional member 62 can be easily performed as needed.
  • the light collection part 18 of the light collection film 60 is not limited to that by which several prism structure 7 of cross-sectional shape is an isosceles triangle shape was arranged in the perpendicular direction, using the following various light collection parts Can.
  • FIG. 27 is a side view of a daylighting unit 75 according to a first modification of the present embodiment. As shown in FIG. 27, the light receiving portion 75 of the first modification has a trapezoidal sectional shape perpendicular to the longitudinal direction of the prism structure 76.
  • FIG. 28 is a side view of a daylighting unit 78 according to a second modification of the present embodiment. As shown in FIG. 28, in the light receiving portion 78 of the second modified example, the cross-sectional shape perpendicular to the longitudinal direction of the prism structure 79 is a hexagonal shape.
  • FIG. 29 is a side view of a daylighting unit 81 according to a third modification of the present embodiment.
  • the cross-sectional shape perpendicular to the longitudinal direction of the prism structure 82 is composed of a straight line and a curved line.
  • FIG. 30 is a front view of a daylighting unit 84 according to a fourth modification of the present embodiment.
  • the plurality of prism structures 17 are provided such that the longitudinal direction of each prism structure 17 is parallel to the longitudinal direction of the louver 85. That is, the plurality of prism structures 17 are arranged in the longitudinal direction of the louver 85, that is, in the horizontal direction.
  • FIG. 31 is a front view of a daylighting unit 87 according to a fifth modification of the present embodiment.
  • the plurality of prism structures 17 are provided such that the longitudinal direction of each prism structure 17 is oblique to the longitudinal direction of the louver 88 There is. That is, the plurality of prism structures 17 are arranged obliquely with respect to the longitudinal direction of the louver 88.
  • FIG. 32 is a perspective view of a daylighting unit 90 according to a sixth modification of the present embodiment.
  • the prism structure 91 is configured from a square pyramidal structure.
  • the prism structure 91 has one change point 520 whose shape changes.
  • the prism structure 91 includes a first structure 530 and a second structure 540, and a change point 520 exists on a boundary line (tangent) 550 at which the first structure 530 and the second structure 540 are connected.
  • the first structure 530 has a shape in which a portion near the top of the square pyramid is cut in a direction perpendicular to the height direction of the square pyramid.
  • the second structure 540 has a square pyramid whose bottom surface is the top surface of the first structure 530.
  • the light collection film used by the said embodiment may be used as a light collection unit to which the light-diffusion film as shown further below was added.
  • FIG. 33 is a cross-sectional view of a daylighting unit 301 according to a first modification.
  • the light collecting unit 301 has a configuration in which the light collecting film 302 and the light diffusion member 303 for diffusing light are supported by a common frame 304.
  • the light diffusion member 303 is disposed on the second surface 302 b side of the daylighting film 302.
  • the light diffusion member 303 is disposed at an interval in the light transmission direction with respect to the daylighting film 302.
  • the light diffusion member 303 is disposed in a state where the first surface 303 a side where the fine structure is formed is directed to the second surface 302 b side of the daylighting film 302.
  • the light diffusion member 303 has a function of isotropically or anisotropically diffusing the light transmitted through the daylighting film 302.
  • FIG. 34 is a cross-sectional view of the daylighting unit 306 of the first modified example.
  • the daylighting unit 306 has a configuration in which the daylighting film 302 and the light diffusion member 303 are supported by a common frame 304.
  • the light diffusion member 303 is disposed on the first surface 302 a side of the daylighting film 302.
  • the light diffusion member 303 is disposed in a state where the first surface 303 a side on which the fine structure is formed is directed to the first surface 302 a side of the daylighting film 302.
  • FIG. 35 is a perspective view of a daylighting unit 308 of the third modification.
  • the light collecting unit 308 has a structure in which a light collecting portion 18 including a plurality of prism structures 17 and a light diffusing portion 309 formed of a lenticular lens sheet are provided on each of two surfaces of the base material. have.
  • the daylighting film and the light diffusing member may be an integral member.
  • the light diffusing members used in the light collecting units 301, 306, and 308 of the above-described modified example may be as shown below.
  • FIG. 36 is a cross-sectional view of the light diffusing member 311 of the first modified example.
  • a fine structure layer 313 formed by dispersing a large number of diffusion beads in a binder resin is bonded to one surface of a light transmitting substrate 312. It consists of a light diffusion sheet.
  • FIG. 37 is a perspective view of a light diffusing member 315 of the second modified example.
  • the light diffusion member 315 of this modification is composed of an anisotropic diffusion film in which a large number of needle-like fillers 317 are contained in a resin layer 316 made of a light transmitting resin. There is.
  • FIG. 38 is a cross-sectional view of a light diffusing member 319 according to a third modification. As shown in FIG. 38, an anisotropic diffusion sheet in which a plurality of prisms 321 are provided on one surface side of the transmissive substrate 320 is used as the light diffusion member 319 of this modification.
  • FIG. 39A is a cross-sectional view of a light diffusing member 323 according to a fourth modification.
  • FIG. 39B is a perspective view of a light diffusing member 323 according to a fourth modification.
  • the light diffusion member 323 of this modification has a so-called pseudo stripe structure in which a plurality of stripe-shaped protrusions 324 extending in one direction are arranged in a direction intersecting the extension direction.
  • An anisotropic light diffusion sheet is used. Since the plurality of stripe-shaped protrusions 324 extend in substantially one direction in the plane, incident light can be diffused in a direction substantially orthogonal to the extending direction of the protrusions 324.
  • FIG. 40 is a front view of the louver 97 in the lighting device of the fifth embodiment.
  • the louver 97 of the present embodiment includes a light collecting unit 18 and a solar cell element 98.
  • the light collecting unit 18 is provided at the upper portion of the louver 97, and the solar cell element 98 is provided at the lower portion of the louver 97.
  • the configuration of the light collecting unit 18 is the same as that of the first embodiment.
  • the specific form of the solar cell element 98 is not specifically limited, The solar cell element of various forms is used.
  • the direction of the plurality of louvers 97 can be effectively made to follow the movement of the sun without using a complicated rotation mechanism, and a daylighting device capable of obtaining a desired daylighting performance can be realized. The same effect as that of the embodiment can be obtained.
  • the louver 97 since the louver 97 includes the solar cell element 98, efficient power generation can be performed when the louver 97 is rotated following the movement of the sun.
  • FIGS. 41A to 41C are plan views of a room in which the lighting device of the sixth embodiment is installed at different times of the day.
  • the light collecting apparatus 101 includes a plurality of louvers 12, a head box 13, a rotational drive mechanism 102, a control unit 103, a plurality of illuminance sensors 104, and a sunshine sensor. And 105.
  • the rotary drive mechanism 102 rotationally drives each of the plurality of louvers 12 by rotating the rotary shaft 25 (see FIG. 5).
  • the control unit 103 controls the rotation drive mechanism 102 so as to automatically change the rotation angle of the louver 12 following the direction of the sun.
  • the plurality of illuminance sensors 104 respectively detect the illuminance of a plurality of locations in the room.
  • the sunshine sensor 105 detects the amount of direct sunlight on the window surface 11a.
  • the configurations of the plurality of louvers 12 and the head box 13 are the same as in the first embodiment.
  • the sunshine sensor 105 installed on the window surface 11 a detects the amount of direct sunlight, and the data of direct sunlight is transmitted to the control unit 103.
  • the control unit 103 determines whether the current weather is fine or cloudy (rainy weather) based on the direct solar radiation amount data.
  • the control unit 103 automatically controls the movement of the plurality of louvers 12 when it is fine, and does not automatically control the louver 12 when it is cloudy (rainy).
  • a fisheye camera capable of photographing the state of the whole sky may be used instead of the sunshine sensor 105, and the control unit 103 selects the weather based on the amount of clouds occupied in the whole sky. It is good also as composition which judges.
  • control unit 103 is provided with a timer and performs automatic control of the louver 12 during the day, but does not perform automatic control of the louver 12 during the night, and makes the louver 12 fully closed in consideration of indoor privacy. . Also, the plurality of louvers 12 rotate in the same phase.
  • the rotation drive mechanism 102 is configured of a drive source such as a motor that rotates the rotation shaft 25 in response to a drive signal from the control unit 103.
  • the plurality of illuminance sensors 104 are installed at a plurality of locations (9 locations in the example of FIGS. 41A to 41C) on the ceiling surface of the room.
  • the control unit 103 receives the illuminance data acquired by the plurality of illuminance sensors 104, grasps the current illuminance distribution in the room, and rotationally drives the plurality of louvers 12 to rotate by a predetermined rotation angle based on the illuminance distribution.
  • the mechanism 102 is controlled.
  • the plurality of louvers 12 are turned so as to be inclined to the east (E). .
  • a plurality of louvers 12 face south (S).
  • the plurality of louvers 12 are turned so as to tilt west (W).
  • control unit 103 previously acquire data of the optimum rotation angle of the louver 12 by a method such as simulation and actual measurement.
  • the control unit 103 monitors, for example, the change in illuminance in the room when the louver 12 is rotated, as data for each season and each time, and stores the rotation angle of the louver 12 when the illuminance is the highest. Note that depending on the light transmittance of the louver 12, the light emission direction by the light collecting unit, and the like, the louver 12 and the sun are not always controlled to face each other at all times.
  • the daylighting device may not include the illuminance sensor.
  • the controller stores in advance the position information of the daylighting device such as the latitude and longitude of the place where the daylighting device is installed, the orientation of the windows of the building, and the sun position information such as the sun altitude and sun orientation for each season and time. It should be done.
  • the control unit controls the movement of the louver based on the season and time from the calendar and timer.
  • the direction of the plurality of louvers 12 can be effectively made to follow the movement of the sun without using a complicated rotation mechanism, and a daylighting device capable of obtaining a desired daylighting performance can be realized. The same effect as that of the embodiment can be obtained.
  • FIG. 42 is a graph showing a change in transmittance of the daylighting film when the direction of the sun changes.
  • the horizontal axis indicates the azimuth angle (°) of the sun
  • the vertical axis indicates the light transmittance (%) of the daylighting film.
  • the light transmittance is highest when sunlight is incident from a direction substantially facing the light receiving film, that is, in the vicinity of the azimuth of 90 ° of the sun. Moreover, it turned out that light transmittance falls, when sunlight injects from a diagonal direction with respect to a daylighting film, ie, as the azimuth of a sun leaves from 90 degrees. Also, although not shown, the same tendency is shown in the autumn, summer solstice, winter solstice, etc. From this, it was found that it is preferable to make the louver face the sun basically from the viewpoint of light transmittance.
  • 43 and 44 are diagrams showing the positional relationship between sunlight and louvers.
  • the louver when priority is given to improving the light transmittance as an effect when the angle of the louver is automatically controlled, the louver may be made to face the incident direction of sunlight. Thereby, high light transmittance can be obtained.
  • the emission direction of light is limited to the same direction as the incident direction of sunlight.
  • sunlight may be made to be incident from an oblique direction of the louver without making the louver face the incident direction of sunlight. Thereby, even if the light transmittance decreases, it is possible to adjust the light emission direction, for example, to guide the light in the back direction of the room even in the morning and evening.
  • FIG. 45 is a cross-sectional view of a room model 2000 equipped with a daylighting device and a light control system, taken along the line JJ 'of FIG.
  • FIG. 46 is a plan view showing the ceiling of the room model 2000.
  • a ceiling material constituting the ceiling 2003a of the room 2003 into which outside light is introduced may have high light reflectivity.
  • a light reflective ceiling material 2003A is installed on the ceiling 2003a of the room 2003 as a light reflective ceiling material.
  • the light reflective ceiling material 2003A is intended to promote the introduction of external light from the daylighting device 2010 installed in the window 2002 into the interior of the room, and is installed on the ceiling 2003a at the window There is. Specifically, it is installed in a predetermined area E of the ceiling 2003a (an area of about 3 m from the window 2002).
  • the light reflective ceiling material 2003A is a room where the outside light introduced into the room through the window 2002 in which the light collecting device 2010 (the light collecting device of any of the above-described embodiments) is installed Lead efficiently to Outside light introduced from the daylighting device 2010 toward the ceiling 2003a in the room is reflected by the light reflective ceiling material 2003A, and is turned to illuminate the desk upper surface 2005a of the desk 2005 placed deep in the room. , The effect of brightening the desk surface 2005a.
  • the light reflective ceiling material 2003A may be diffuse reflective or specular reflective. In order to balance the effect of brightening the desk surface 2005a of the desk 2005 placed in the back of the room with the effect of suppressing glare rays that are uncomfortable for the person in the room, a combination of the two characteristics Is preferred.
  • the light incident on the ceiling (area E) near the window can be distributed toward the back of the room with a smaller amount of light as compared with the window by using the light reflecting ceiling material 2003A as described above in combination.
  • the light reflective ceiling material 2003A is formed by embossing a metal plate such as aluminum with irregularities of about several tens of microns, or depositing a metal thin film such as aluminum on the surface of a resin substrate on which similar irregularities are formed. Can be produced.
  • the unevenness formed by embossing may be formed by a curved surface with a larger period.
  • the light distribution characteristics of the light and the light distribution in the room can be controlled by appropriately changing the embossed shape formed on the light reflective ceiling material 2003A.
  • embossing is performed in the form of stripes extending deep in the room
  • the light reflected by the light reflective ceiling material 2003A is in the left-right direction of the window 2002 (direction intersecting the longitudinal direction of the unevenness). spread.
  • the size and direction of the window 2002 in the room 2003 are limited, light is made to diffuse horizontally by the light reflective ceiling material 2003A by using such a property, and the light is directed toward the back of the room. It can be directed and reflected.
  • the daylighting device 2010 is used as part of a light control system of the room 2003.
  • the illumination light control system includes, for example, a daylighting device 2010, a plurality of indoor lighting devices 2007, a solar radiation adjustment device 2008 installed in a window, a control system for these, and a light reflective ceiling material 2003A installed on a ceiling 2003a. And consists of components of the whole room including.
  • a lighting device 2010 is installed on the upper side, and a solar radiation adjustment device 2008 is installed on the lower side.
  • a blind is installed as the solar radiation adjustment device 2008, but the present invention is not limited to this.
  • a plurality of indoor lighting devices 2007 are arranged in a grid in the lateral direction (Y direction) of the window 2002 and the depth direction (X direction) in the room.
  • the plurality of indoor lighting devices 2007, together with the lighting device 2010, constitute the entire lighting system of the room 2003.
  • the ceiling length L 1 in the left-right direction (Y-direction) is 18m
  • the length L 2 in the depth direction of the room 2003 (X direction) of the office 9m windows 2002 2003a Indicates
  • the indoor lighting devices 2007 are arranged in a lattice at intervals Q of 1.8 m in the lateral direction (Y direction) and the depth direction (X direction) of the ceiling 2003a. More specifically, 50 indoor lighting devices 2007 are arranged in 11 rows (Y direction) ⁇ 5 columns (X direction).
  • the indoor lighting device 2007 includes an indoor lighting device 2007a, a brightness detection unit 2007b, and a control unit 2007c, and has a configuration in which the brightness detection unit 2007b and the control unit 2007c are integrated with the indoor lighting device 2007a.
  • the interior lighting device 2007 may include a plurality of interior lighting devices 2007a and a plurality of brightness detection units 2007b. However, one brightness detection unit 2007b is provided for each of the indoor lighting devices 2007a.
  • the brightness detection unit 2007 b receives the reflected light of the illuminated surface illuminated by the indoor lighting device 2007 a and detects the illuminance of the illuminated surface.
  • the brightness detection unit 2007b detects the illuminance of the desk surface 2005a of the desk 2005 placed indoors.
  • the control units 2007c provided one by one in each of the indoor lighting devices 2007 are connected to each other.
  • Each indoor lighting device 2007 is controlled such that the illuminance of the desk surface 2005a detected by each of the brightness detection units 2007b becomes constant target illuminance L0 (for example, average illuminance: 750 lx) by the control units 2007c connected to each other.
  • Feedback control is performed to adjust the light output of the LED lamp of each indoor lighting fixture 2007a.
  • the daylighting system of the present embodiment by linking the daylighting from the daylighting device 2010, which fluctuates with sunlight, and the interior lighting device 2007, constant illuminance can be obtained regardless of time or the position of the room 2003. It is possible to achieve both a comfortable environment and efficient energy saving.
  • One embodiment of the present invention can be used for a daylighting device installed on a window surface of a building and introducing outside light such as sunlight into a room.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Blinds (AREA)

Abstract

Dans un mode de réalisation, ce dispositif d'éclairage naturel comprend : une pluralité de persiennes qui s'étendent chacune dans la direction verticale et qui sont disposées côte à côte dans la direction horizontale ; et un élément de support qui supporte les persiennes en suspension sur le côté intérieur d'une face de fenêtre et qui déplace les persiennes dans la direction horizontale. Chaque persienne a une première face pourvue d'une unité d'éclairage naturel qui comprend une pluralité de structures de prisme ; et, à partir d'une orientation de référence dans laquelle la première face est positionnée sensiblement parallèlement à la face de fenêtre, chaque persienne peut tourner dans deux directions de rotation différentes autour d'un axe de rotation s'étendant dans la direction verticale.
PCT/JP2018/033818 2017-09-15 2018-09-12 Dispositif d'éclairage naturel WO2019054410A1 (fr)

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TWI749940B (zh) * 2020-12-08 2021-12-11 美商愛寶窗飾股份有限公司 窗簾之垂重結構（一）
CN114947494A (zh) * 2021-02-25 2022-08-30 爱宝窗饰股份有限公司 窗帘的垂重结构

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WO2016002869A1 (fr) * 2014-07-02 2016-01-07 シャープ株式会社 Latte d'éclairage utilisant la lumière du jour et dispositif d'éclairage utilisant la lumière du jour
WO2016067998A1 (fr) * 2014-10-28 2016-05-06 シャープ株式会社 Dispositif d'éclairage naturel et système d'éclairage naturel
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WO2016199866A1 (fr) * 2015-06-09 2016-12-15 シャープ株式会社 Dispositif d'éclairage naturel et système d'éclairage naturel
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JPS5620890A (en) * 1979-07-27 1981-02-26 Yoshihito Youda Reaction preventing equipment mounting on hose end
JP2011157729A (ja) * 2010-02-01 2011-08-18 Hiroshi Ishikawa 太陽電池縦型ブラインド
WO2016002869A1 (fr) * 2014-07-02 2016-01-07 シャープ株式会社 Latte d'éclairage utilisant la lumière du jour et dispositif d'éclairage utilisant la lumière du jour
WO2016067998A1 (fr) * 2014-10-28 2016-05-06 シャープ株式会社 Dispositif d'éclairage naturel et système d'éclairage naturel
JP2016172974A (ja) * 2015-03-17 2016-09-29 昭彦 俵 縦型ブラインド
WO2016199866A1 (fr) * 2015-06-09 2016-12-15 シャープ株式会社 Dispositif d'éclairage naturel et système d'éclairage naturel
WO2017086314A1 (fr) * 2015-11-17 2017-05-26 シャープ株式会社 Dispositif et système d'éclairage

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI749940B (zh) * 2020-12-08 2021-12-11 美商愛寶窗飾股份有限公司 窗簾之垂重結構（一）
CN114947494A (zh) * 2021-02-25 2022-08-30 爱宝窗饰股份有限公司 窗帘的垂重结构

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