JP2010121299A - Bay window daylighting device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a bay window daylighting device which can efficiently guide solar light, incident from the outside, into a room, and which has a high degree of freedom of daylighting. <P>SOLUTION: This bay window daylighting device 1 includes: upper and lower portions 6 and 7 which overhang from a building frame of a building T; a window portion 9 and a side portion 8, which are installed between the upper and lower portions 6 and 7; a daylighting opening 6a which is formed in at least one of the upper and lower portions 6 and 7 and the side portion 8; and a reflecting member 4 which reflects the light, incident from the daylighting opening 6a, into the room. Characteristically, the reflecting member 4, which can be opened and closed, covers at least one of the window portion 9 and the side portion 8 when it is in a closed state. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a bay window lighting device that allows light into a building.

2. Description of the Related Art Conventionally, there has been disclosed a daylighting apparatus in which an optical duct is installed outside a room and a light emission port of the optical duct is installed at a location separated from a building window so that sunlight enters the room (see Patent Document 1). ).
Japanese Utility Model Publication No. 51-106135

In the daylighting apparatus described in Patent Document 1, since the light emission port is installed away from the window, the amount of sunlight that diffuses while entering the window from the light emission port and enters the room from the window. Decreased.
Further, in the daylighting apparatus described in Patent Document 1, sunlight is constantly incident, so the degree of freedom of daylighting is low.

  The present invention was created to solve such problems, and it is an object to provide a bay window lighting device that can efficiently guide sunlight incident from the outside into the room and has a high degree of freedom in lighting. And

  In order to solve the above problems, the present invention includes an upper part and a lower part that protrude from a building frame, a window part and a side part that are installed between the upper part and the lower part, and the upper part, the lower part, and the side. A bay window lighting device comprising: a daylighting opening formed in at least one of the parts; and a reflection member that reflects light incident from the daylighting opening toward a room; It can be opened and closed, and covers at least one of the window and the side when in a closed state.

  The daylighting opening is formed in the upper part, and the reflecting member is fixed between the upper end and the window part and the daylighting opening. It is preferable to cover the part. It is desirable to provide a lid that covers the daylighting opening so as to be openable and closable.

According to the present invention, at least one of the upper part, the lower part, and the side part of the bay window lighting device is provided with a daylighting opening, and the reflecting member that reflects the light incident from the daylighting opening toward the room. Therefore, the sunlight incident from the daylighting opening can be efficiently guided into the room.
Further, since the reflecting member can be opened and closed and at least one of the window portion and the side portion can be covered when the reflecting member is in the closed state, the degree of freedom of daylighting in the room is increased.

  The reflecting member is preferably a screen constituting a roll screen or a slat constituting a blind. If it does in this way, since sunlight can be daylighted and light-shielded to a room | chamber interior, the freedom degree of lighting increases. In particular, when the reflecting member is formed by the slats that constitute the blinds, the sunlight incident from the daylighting openings can be reliably guided into the room by adjusting the angle of the slats, and the view from the window And ventilation of the window can be ensured.

  Moreover, it is preferable that the said reflection member is installed so that at least one of the said window part and the said side part can ventilate. If it does in this way, sunlight can be efficiently led indoors, ensuring the ventilation of a window.

  The reflecting member is preferably formed in a net shape or has a plurality of ventilation holes or ventilation slits. If it does in this way, the sunlight which enters from the opening part for lighting can be efficiently led indoors, ensuring the ventilation nature of a window.

  The reflecting surface of the reflecting member is preferably made of a diffuse reflecting surface or a bright color. When the reflecting surface is a diffuse reflecting surface, sunlight reflected by the diffuse reflecting surface spreads uniformly toward the room, so that unevenness of sunlight can be eliminated and the entire room can be uniformly brightened. In addition, by making the reflecting surface of the reflecting member bright, it is possible to reduce glare while ensuring appropriate brightness.

  The reflecting surface of the reflecting member is preferably made of a metal material, a resin material, a fiber material, or a composite material of the metal material and the resin material.

  Moreover, it is preferable that the optical duct is connected with the said opening part for lighting. If it does in this way, sunlight can be guided also to the dark place in a building, and it will become possible to secure stable brightness.

  According to the bay window lighting device according to the present invention, sunlight incident from the outside can be efficiently guided into the room, and the degree of freedom in lighting is increased.

  Next, embodiments of the present invention will be described with reference to the drawings as appropriate. In this embodiment, a case where the present invention is applied to a bay window of a detached house will be described as an example. In the following description, a detached house is referred to as “building T”.

  As shown in FIG. 2, the bay window lighting device 1 according to the present embodiment mainly includes a bay window unit 2, an optical duct 3, and a reflection member 4.

As shown in FIGS. 1 and 2, the bay window unit 2 has a trapezoidal shape in plan view, and is formed so as to protrude from the outer wall surface of the building T. That is, as shown in FIG. 2, the bay window unit 2 is provided so as to protrude outward from the opening K provided in the housing of the building T, and includes a frame 5, an upper part 6, a lower part 7, It is mainly composed of a pair of side portions 8 and 8 and a window portion 9.
In this embodiment, the building T building is a wall, column, beam, or the like of the building T. Hereinafter, it is simply referred to as “an enclosure”.

  The frame 5 is made of an extruded material made of an aluminum alloy, extends from the housing of the building T, and is fixed to the housing so as to surround the opening K formed in the housing of the building T. The frame 5 of the present embodiment is mainly composed of a pair of sleeve frame units U1, U1 and a front frame unit U2.

  The sleeve frame unit U1 includes a vertical frame 5a attached to the housing along the side edge of the opening K, a vertical frame 5b installed away from the vertical frame 5a, and upper ends of the vertical frame 5a and the vertical frame 5b. The sleeve upper frame 5c spans between the upper frame 5a and the sleeve lower frame 5d spans between the lower ends of the vertical frame 5a and the vertical frame 5b, and is combined in a square frame shape. That is, the vertical frame 5a is connected to the vertical 5b through the sleeve upper frame 5c and the sleeve lower frame 5d. The vertical frame 5a and the vertical 5b are mechanically joined to the sleeve upper frame 5c and the sleeve lower frame 5d by screwing or the like, and the vertical frame 5a is mechanically fixed to the casing by screwing or the like.

  The front frame unit U2 is composed of a front upper frame 5e and a front lower frame 5f that are bridged between the upper ends and the lower ends of the pair of verticals 5b, 5b, and are combined in a square frame shape. The front upper frame 5e and the front lower frame 5f are joined to the verticals 5b and 5b. In the present embodiment, the vertical frame 5b of the sleeve frame unit U1 is also used as a vertical frame of the front frame unit U2.

The upper portion 6 has a trapezoidal shape in plan view, and includes, for example, a top plate and a roof cover. The upper part 6 is attached to the upper surface of the frame 5. That is, the upper part 6 is provided so as to cover the upper surface of the frame 5 and is mechanically fixed to the frame 5 by, for example, screwing.
The upper part 6 is provided with a daylighting opening 6a penetrating in the vertical direction. In the present embodiment, the daylighting opening 6a has a rectangular shape in plan view.

Moreover, the cover part 6b is provided so that the opening part 6a for lighting can be opened and closed. The lid 6b has a shape corresponding to the daylighting opening 6a, and one end thereof is attached to the opening edge of the daylighting opening 6a via a hinge (not shown). The lid 6b can be held in a state of covering the daylighting opening 6a by using a holding means (not shown) when closed.
In addition, a hook-like member (not shown) is provided on the lower surface of the upper portion 6 and an annular member (not shown) is provided on the upper surface of the lid portion 6b so that the lid portion 6b is substantially parallel to the upper portion 6 when opened. The lid 6b may be hooked on the hook-shaped member. Of course, the lid 6b may be provided so as to be detachable from the daylighting opening 6a.

  The lower part 7 has a trapezoidal shape in plan view, and includes, for example, a cradle cover and a base plate. The lower part 7 is attached to the lower surface of the frame 5. That is, the lower part 7 is provided so as to cover the lower surface of the frame 5 and is mechanically fixed to the frame 5 by, for example, screwing or the like. The lower portion 7 of the present embodiment is provided in parallel with the upper portion 6.

  In the present embodiment, the side portion 8 is a window, has a substantially rectangular shape in front view, and is formed of, for example, a glass plate. The side part 8 of this embodiment is a single-opening window, and is provided so that opening and closing is possible. The side portion 8 is attached to the side surface of the frame 5. That is, the side portion 8 is disposed between the upper portion 6 and the lower portion 7 and is disposed on both sides of the window portion 9 so as to face each other in a letter C shape with the opening K of the housing interposed therebetween. Moreover, the side part 8 is located in the side of the opening part 6a for lighting.

  The window portion 9 has a substantially rectangular shape when viewed from the front, and is formed of, for example, a glass plate. The window part 9 of this embodiment is a sliding window, and is provided so that opening and closing is possible. The window portion 9 is attached to the front surface of the frame 5. That is, the window portion 9 is disposed between the upper portion 6 and the lower portion 7 and is disposed between the pair of side portions 8 and 8 and is disposed in parallel to the opening K of the housing. Moreover, the window part 9 is located in front of the opening part 6a for lighting.

  The light duct 3 plays a role of guiding sunlight into the building T. As shown in FIG. 1, the optical duct 3 is attached to the outer wall along the height direction of the building T. The optical duct 3 is fixed to the outer wall of the building T via a fixing member R. A reflection surface is provided on the inner surface of the optical duct 3. The reflecting surface is formed of, for example, a metal material, a resin material, or a composite material of a metal material and a resin material, and it is particularly preferable to use an aluminum alloy from the viewpoint of weight reduction and corrosion resistance.

Moreover, the optical duct 3 is provided with the lighting port 3a and the light emission port 3b. That is, the lighting port 3 a (one end) of the light duct 3 is opened to a place outside the building, and the light emitting port 3 b (the other end) communicates with a lighting opening 6 a provided in the upper portion 6. . Although illustration is omitted, the lighting port 3a and the light emission port 3b of the light duct 3 are covered with a translucent cover made of a translucent material. The optical duct 3 is attached to the bay window unit 2 by means such as mechanical joining such as screwing or an adhesive.
With this configuration, sunlight that has entered the daylighting port 3a of the light duct 3 travels through the light duct 3 while being repeatedly reflected, is emitted into the bay window unit 2 through the light emission port 3b, and enters the building T.

The reflecting member 4 plays a role of reflecting sunlight incident from the light duct 3 into the bay window unit 2 toward the indoor side of the building T.
As shown in FIG. 2, the reflecting member 4 of the present embodiment has a reflecting surface provided on one side (inner side surface) of a screen 44 constituting a roll screen. The reflecting member 4 is disposed on the outdoor side (front side) from the lighting opening 6 a and is disposed on the indoor side (rear side) from the window 9. That is, the reflecting member 4 is located between the daylighting opening 6 a and the window 9. Moreover, the reflection member 4 can be opened and closed, and covers the window portion 9 when closed.
In the present embodiment, “openable / closable” refers to being able to be wound and pulled out.

  The roll screen according to the present embodiment mainly includes a frame 41, a pair of support brackets 42 and 42, a winding shaft 43, a screen 44, and a weight bar 45.

The frame 41 is fixed to the lower surface of the upper portion 6 via a mounting bracket (not shown). The support brackets 42 are attached to both ends of the frame 41, and the winding shaft 43 is rotatably supported between the support brackets 42.
A pulley (not shown) is attached to one end of the winding shaft 43, and an endless operation chain (not shown) is hung on the pulley.

The screen 44 is suspended and supported by the winding shaft 43. A reflective surface is provided on one surface (inner side surface) of the screen 44. Reflective surfaces include, for example, those obtained by vapor-depositing metals such as aluminum and silver, those obtained by vapor-depositing metals on plastic materials such as plastic and polyester film, and those obtained by forming a white-colored coating film on the reflective surface (layer). Consists of.
Further, the reflecting surface of the present embodiment is formed so as to diffusely reflect light. That is, the reflection surface of the present embodiment is a diffusion reflection surface on which fine irregularities are formed.

  The weight bar 45 is attached to the lower end of the screen 44.

Next, the winding and pulling-out operation (opening / closing operation) of the reflecting member 4 will be described with reference to FIGS.
When the operation shaft is operated to rotate the winding shaft 43 in the screen winding direction from the state in which the reflecting member 4 (screen 44) is pulled out to the vicinity of the lower portion 7 (see FIG. 2), 4 is wound, and the reflecting member 4 and the weight bar 45 rise (see FIG. 3A).
Further, when the operation chain is operated to rotate the winding shaft 43 in the screen winding direction, the reflecting member 4 is completely wound around the winding shaft 43 (see FIG. 3B).

On the other hand, when the winding shaft 43 is rotated in the screen drawing direction from the state in which the reflecting member 4 is wound on the winding shaft 43 (see FIG. 3B), the reflecting member 4 is pulled out from the winding shaft 43. Then, the reflecting member 4 and the weight bar 45 are lowered (see FIG. 3A).
Further, when the operating chain is operated to rotate the winding shaft 43 in the screen drawing direction, the reflecting member 4 is pulled out to the vicinity of the lower portion 7 (see FIG. 2).
Thus, since the reflection member 4 of this embodiment is provided so that winding and extraction are possible, it can reflect the sunlight from the opening part 6a for lighting.

According to the bay window daylighting apparatus 1 according to the present embodiment described above, the reflection member 4 that reflects sunlight incident from the daylighting opening 6a toward the room is provided. Can lead.
In addition, the lid 6b can cover the daylighting opening 6a so as to be openable and closable, and the reflection member 4 is provided so that it can be wound and pulled out.
In addition, in the situation where direct sunlight hits the window portion 9, when it is desired to take sunlight into the room, the reflecting member 4 is wound up so that the window portion 9 is not covered, and the sunlight hitting the window portion 9 can enter the room as it is. . Further, when it is not desired to take sunlight into the room, the sunlight released from the lighting opening 6a is obtained by covering the lighting opening 6a with the lid 6b and covering the window 9 by pulling out the reflecting member 4. While blocking | interrupting light, the sunlight which hits the window part 9 can be shielded.

  On the other hand, in the situation where direct sunlight does not hit the window portion 9, when it is desired to take sunlight into the room, the light opening 6 a is not covered with the lid portion 6 b, and the reflection member 4 is pulled out to cover the window portion 9. That is, the sunlight 6 emitted from the lighting opening 6a toward the window 9 is indoors by pulling out the reflecting member 4 and covering the window 9 without covering the lighting opening 6a with the lid 6b. It can be reflected toward. If it is not desired to take sunlight into the room, the lid 6b covers the daylighting opening 6a, and the reflection member 4 is pulled out to cover the window 9. That is, while covering the opening 6a for lighting with the cover part 6b and covering the window part 9 by pulling out the reflecting member 4, the sunlight emitted from the opening part 6a for lighting is cut off and from the window part 9 Incident sunlight (diffused light) can be shielded.

  In addition, in a situation where direct sunlight does not hit the window portion 9, the amount of light collected can be adjusted when sunlight is taken indoors. That is, if the lighting opening 6a and the window 9 are not covered, the amount of sunlight entering the room can be reduced compared to the case where the lighting opening 6a is not covered and the window 9 is covered. it can. Further, if the lighting opening 6a is covered and the window 9 is not covered, the amount of sunlight entering the room is reduced as compared with the case where the lighting opening 6a and the window 9 are not covered. be able to.

  Further, by winding the reflecting member 4, it is possible to ensure the view from the window portion 9 and the air permeability of the window portion 9. For example, in a situation where direct sunlight does not hit the window 9, when it is desired to take sunlight into the room, if the reflecting member 4 is positioned at the center in the vertical direction of the window 9, the viewability from the window 9 and the window 9 can be efficiently guided indoors while ensuring the ventilation of 9 (see FIG. 3A).

  Moreover, since the reflecting member 4 is installed so that the side portion 8 can be ventilated, the sunlight incident from the daylighting opening 6a is efficiently guided indoors while ensuring the ventilation property of the side portion 8. be able to.

  Moreover, since the reflecting surface of the reflecting member 4 is composed of a diffuse reflecting surface, the sunlight reflected by the diffuse reflecting surface spreads uniformly toward the room, so that unevenness of sunlight can be suppressed.

  In addition, the reflecting surface of the reflecting member 4 is made of a metal material, a resin material, a fiber material, or a composite material of a metal material and a resin material, which has a particularly high reflectivity, so that it is introduced from the daylighting opening 6a. The sunlight can be led to the room without significant attenuation.

  Moreover, since the light duct 3 is connected to the daylighting opening 6a, sunlight can be guided to a dark place where the building T is not exposed to the sun, and stable brightness can be ensured.

  Moreover, the optical duct 3 is attached to the outer wall of the building T, and can be easily installed in the existing building. That is, since the optical duct 3 can be attached to the outer wall of the building T, it can be installed in an existing building.

  Although the embodiments of the present invention have been described above, it goes without saying that the embodiments can be appropriately modified and implemented without departing from the spirit of the present invention. In the present embodiment, the present invention is used for a detached house. However, for example, it may be used for an apartment or an apartment.

  In the present embodiment, the present invention is used for the bay window unit 2 having a trapezoidal shape in plan view. For example, a triangular shape in plan view, a square shape in plan view, a polygonal shape in plan view (bay window), and a bow shape in plan view (bow) It may be used for the bay window unit 2 such as a window).

  Moreover, although the frame 5 of this embodiment is formed from the aluminum alloy, you may change suitably, without being limited to this. For example, the frame 5 may be formed of a metal material other than an aluminum alloy such as stainless steel, or the frame 5 may be formed of a member having a higher heat insulating effect than an aluminum alloy such as a synthetic resin or wood. Absent.

  The shape and number of the opening 6a for lighting in the upper part 6 may be changed as appropriate. For example, two lighting openings 6a having a circular shape in plan view may be provided.

  Further, in the present embodiment, the daylighting opening 6a is installed at the approximate center in the longitudinal direction of the upper portion 6, but the present invention is not limited to this, and the lighting opening 6a may be installed in the vicinity of one of the side portions 8 and 8. Good.

  In the present embodiment, the daylighting opening 6a is provided in a part of the upper portion 6, but the entire upper portion 6 may be opened. For example, the light emission port 3b may be installed so as to be open without fitting a top plate or the like on the upper surface of the bay window unit 2 and to fit the opening surface. If it does in this way, more sunlight can be taken in into the building T. FIG.

Moreover, the opening part for lighting may be provided in the lower part 7, and the opening part for lighting may be provided in the side part 8. Moreover, you may combine installation of the opening part for lighting to the upper part 6, the lower part 7, and the side part 8. FIG. For example, the lighting openings may be provided in both the upper part 6 and the lower part 7, or the lighting openings may be provided in all of the upper part 6, the lower part 7, and the side part 8. Moreover, the opening part for lighting may be provided in both the side parts 8 and 8, and the opening part for lighting may be provided in either one.
Moreover, it is not necessary to provide the cover part 6b which covers the opening 6a for lighting so that opening and closing is possible. In this case, it is desirable to use the bay window lighting device 1 in a situation where direct sunlight does not hit the window portion 9. When it is desired to take sunlight into the room, the reflecting member 4 is pulled out to cover the window part 9, and when it is not desired to take much sunlight into the room, the reflecting member 4 is not taken up to cover the window part 9. That is, by unwinding the reflecting member 4 and covering the window portion 9, sunlight emitted from the daylighting opening 6a toward the window portion 9 can be reflected indoors. On the other hand, the amount of sunlight entering the room can be reduced by winding the reflecting member 4 and not covering the window 9.

  Moreover, although the side parts 8 and 8 of this embodiment are windows, you may make it a wall. Further, either one of the side portions 8 may be a window, and the other of the side portions 8 may be a wall.

  In the present embodiment, the side portions 8 and 8 are single-open windows, and the window portion 9 is a sliding window. However, the present invention is not limited to this, and a known window type is appropriately selected and used. be able to. For example, the side windows 8 and the windows 9 are made the same window type by appropriately selecting from sliding windows, open windows, raising / lowering windows (vertical window), FIX windows (fitting window), etc. Alternatively, different window formats may be combined. Moreover, you may make a pair of side parts 8 and 8 into a different window form, respectively. For example, one side 8 may be an open window and the other side 8 may be a raised and lowered window. Moreover, you may provide a shoji, a screen door, a surface lattice, a decoration lattice, etc. in the side part 8 and the window part 9. FIG.

  Further, a sealing material may be interposed between the light extraction port 3a or the light emission port 3b of the light duct 3 and the light transmission cover, or the light transmission cover and the bay window unit 2 on the light emission port 3b side of the light duct 3. A sealing material may be interposed between the two.

  Moreover, the optical duct 3 may be comprised with a honeycomb panel. If it does in this way, since it becomes possible to achieve weight reduction of the optical duct 3, handling will become easy and the working efficiency at the time of installation of the bay window lighting device 1 will improve. Moreover, since it becomes easy to adapt widely also to the load resistance of the existing building, the freedom degree of installation in an existing building increases.

  Moreover, the optical duct 3 may be comprised with the heat insulation panel. If it does in this way, it will become possible to prevent dew condensation on the reflective surface of optical duct 3, and it can control the fall of lighting efficiency.

  Moreover, although illustration is abbreviate | omitted, the solar tracking apparatus may be provided in the lighting port 3a of the optical duct 3, and the optical duct 3 may be attached to the inside of the building T.

  In the present embodiment, the case where one bay window unit 2 is installed in the building T has been described. However, when there are a plurality of bay window units 2, an optical duct 3 may be installed for each bay window unit 2. And the edge part of the one optical duct 3 may be branched, the some light emission port 3b may be formed, and it may connect with the opening part for lighting of the some bay window unit 2. FIG. If it does in this way, since the number of the optical ducts 3 can be reduced, the construction cost and construction effort of the optical duct 3 can be reduced.

  Moreover, in this embodiment, although the optical duct 3 was installed, it is not limited to this, The optical duct 3 does not need to be installed.

  In this embodiment, a chain-type roll screen is used. However, the present invention is not limited to this, and a known roll screen can be appropriately selected and used. For example, a spring-type roll screen may be used, or an electric roll screen may be used.

  Moreover, you may change the installation place of the reflection member 4 suitably. In the present embodiment, the roll screen is installed so as to cover the window portion 9. However, for example, the roll screen may be installed so as to cover the side portion 8.

  In the present embodiment, the reflection surface is a diffuse reflection surface on which fine irregularities are formed. However, the present invention is not limited to this. For example, a smooth reflection surface may be used. Moreover, you may make a reflective surface light color. If it does in this way, glare can be reduced, ensuring moderate brightness. Note that a picture or a design may be drawn on the reflecting member 4. This is suitable for design.

  Moreover, as shown to Fig.4 (a), you may form the some circular ventilation hole 44a, 44a ... penetrated to the reflection member 4 in the thickness direction. If it does in this way, the sunlight which injects from the opening part 6a for lighting can be guide | induced efficiently indoors, ensuring the ventilation property of the window part 9. FIG. The shape, size, and number of the vent holes 44a are not limited to this, and may be changed as appropriate.

  Moreover, as shown in FIG.4 (b), you may form the some rectangular ventilation slit 44b, 44b ... which penetrates the reflection member 4 in the thickness direction. If it does in this way, the sunlight which injects from the opening part 6a for lighting can be guide | induced efficiently indoors, ensuring the ventilation property of the window part 9. FIG. The shape, size, and number of the ventilation slits 44b are not limited to this, and may be changed as appropriate.

  Moreover, as shown to Fig.5 (a), you may form the shape of the reflection member 4 in mesh shape. If it does in this way, the sunlight which injects from the opening part 6a for lighting can be guide | induced efficiently indoors, ensuring the ventilation property of the window part 9. FIG.

  Further, as shown in FIG. 5B, a stained glass 12 may be installed on the opening surface of the bay window unit 2. If it does in this way, since it can produce light in the room of building T, it is suitable in design. Instead of the stained glass 12, a shadow picture or a watermark picture may be installed. Even if it does in this way, since it can produce light in the room of building T, it is suitable in design.

Further, in the present embodiment, the reflecting member 4 (screen 44) is installed so that it can be wound up and pulled out in the vertical direction. However, the present invention is not limited to this, and as shown in FIG. You may install so that winding and drawing-out are possible. The reflection member 4 is attached to the bay window unit 2 by fixing the support brackets 42 and 42 to the lower surface of the upper portion 6 and the upper surface of the lower portion 7.
Even if it does in this way, the freedom degree of lighting increases like this embodiment.
Further, by winding the reflecting member 4 around the winding shaft 43, the viewability from the window portion 9 and the ventilation of the window portion 9 can be ensured. For example, in a situation where direct sunlight does not hit the window portion 9, when it is desired to take sunlight into the room, if the reflecting member 4 is positioned in the center in the lateral direction of the window portion 9, the viewability from the window portion 9 and the window portion The sunlight incident from the lighting opening 6a can be efficiently guided indoors while ensuring the ventilation of 9 (see FIG. 6).

In this embodiment, a roll screen is used, but a blind may be used instead. That is, the reflecting member 4 of the present embodiment has a reflecting surface provided on one side of the screen 44, but a reflecting surface provided on one side of the slat 4a constituting the blind is used as shown in FIG. May be. The blind can be appropriately selected from known blinds.
If it does in this way, since the raising / lowering cord (illustration omitted) can be operated and the reflection member 4 can be raised / lowered, the freedom degree of lighting increases like this embodiment.
In addition, in the situation where direct sunlight hits the window portion 9, when it is desired to take sunlight into the room, the reflecting member 4 is wound up so that the window portion 9 is not covered, and the sunlight hitting the window portion 9 can enter the room as it is. . Further, when it is not desired to take sunlight into the room, the sunlight released from the lighting opening 6a is obtained by covering the lighting opening 6a with the lid 6b and covering the window 9 by pulling out the reflecting member 4. While blocking | interrupting light, the sunlight which hits the window part 9 can be shielded.

  On the other hand, in the situation where direct sunlight does not hit the window portion 9, when it is desired to take sunlight into the room, the light opening 6 a is not covered with the lid portion 6 b, and the reflection member 4 is pulled out to cover the window portion 9. That is, the sunlight 6 emitted from the lighting opening 6a toward the window 9 is indoors by pulling out the reflecting member 4 and covering the window 9 without covering the lighting opening 6a with the lid 6b. It can be reflected toward. If it is not desired to take sunlight into the room, the lid 6b covers the daylighting opening 6a, and the reflection member 4 is pulled out to cover the window 9. That is, while covering the opening 6a for lighting with the cover part 6b and covering the window part 9 by pulling out the reflecting member 4, the sunlight emitted from the opening part 6a for lighting is cut off and from the window part 9 Incident sunlight (diffused light) can be shielded.

  In addition, in a situation where direct sunlight does not hit the window portion 9, the amount of light collected can be adjusted when sunlight is taken indoors. That is, if the lighting opening 6a and the window 9 are not covered, the amount of sunlight entering the room can be reduced compared to the case where the lighting opening 6a is not covered and the window 9 is covered. it can. Further, if the lighting opening 6a is covered and the window 9 is not covered, the amount of sunlight entering the room is reduced as compared with the case where the lighting opening 6a and the window 9 are not covered. be able to.

Further, by raising the reflecting member 4, it is possible to ensure the view from the window portion 9 and the air permeability of the window portion 9. For example, in a situation where direct sunlight does not hit the window 9, when it is desired to take sunlight into the room, if the reflecting member 4 is positioned at the center in the vertical direction of the window 9, the viewability from the window 9 and the window 9 can be efficiently guided indoors while ensuring air permeability of 9.
Further, when the reflecting member 4 is formed by providing a reflecting surface on the slat 4a, the angle of the plurality of slats 4a, 4a,... Can be adjusted by the operation rod 4b. The light can be reliably guided into the room. Further, by adjusting the angle of the slat 4a to form a gap between the slats 4a, the viewability from the window 9 and the ventilation of the window 9 are maintained while the reflecting member 4 is lowered to the vicinity of the lower portion 7. Can be secured.

It is a whole perspective view which shows the installation state of the bay window lighting apparatus which concerns on this embodiment. It is a perspective view which shows the structure of the bay window lighting apparatus which concerns on this embodiment. (A) is a perspective view which shows the state of the bay window lighting device when a reflection member is located in the center of a window part, (b) is the state of the bay window lighting device when a reflection member is completely wound up FIG. (A) is a perspective view which shows the structure of the bay window lighting apparatus which concerns on a modification, (b) is a perspective view which shows the structure of the bay window lighting apparatus which concerns on a modification. (A) is a perspective view which shows the structure of the bay window lighting apparatus which concerns on a modification, (b) is a perspective view which shows the structure of the bay window lighting apparatus which concerns on a modification. It is a perspective view which shows the structure of the bay window lighting apparatus which concerns on a modification. It is a perspective view which shows the structure of the bay window lighting apparatus which concerns on a modification.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Exit window lighting apparatus 2 Exit window unit 3 Optical duct 3a Daylighting port 3b Light emission port 4 Reflective member 44 Screen 44a Ventilation hole 44b Ventilation slit 5 Frame 6 Upper part 6a Daylighting opening part 6b Cover part 7 Lower part 8 Side part 9 Window part K opening Part R Fixed member T Building U1 Sleeve frame unit U2 Front frame unit

Claims (8)

For lighting provided on at least one of an upper part and a lower part projecting from a building frame, a window part and a side part installed between the upper part and the lower part, and the upper part, the lower part and the side part A bay window lighting device comprising: an opening, and a reflecting member that reflects light incident from the lighting opening toward the room,
The reflection window lighting device, wherein the reflection member is openable and closable and covers at least one of the window and the side when in the closed state.   The bay window lighting device according to claim 1, wherein the reflecting member is a screen constituting a roll screen or a slat constituting a blind.   The bay window lighting device according to claim 1, wherein the reflection member is installed so that at least one of the window portion and the side portion can be ventilated.   The bay window lighting device according to any one of claims 1 to 3, wherein the reflecting member is formed in a net shape.   The bay window lighting device according to any one of claims 1 to 4, wherein the reflecting member has a plurality of ventilation holes or ventilation slits.   The bay window lighting device according to any one of claims 1 to 5, wherein the reflecting surface of the reflecting member is formed of a diffuse reflecting surface or a bright color.   The reflective surface of the reflective member is made of a metal material, a resin material, a fiber material, or a composite material of the metal material and the resin material, according to any one of claims 1 to 6. Bay window daylighting device. The bay window lighting device according to any one of claims 1 to 7, wherein an optical duct is connected to the daylighting opening.

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