JP2017069216A - Daylighting structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a daylighting structure capable of achieving both illumination utilization of sunlight and shielding of direct sunlight with a simple structure, without imparting a closed feeling to a person indoors.SOLUTION: A daylighting structure 10 has a first glass body 11, a mounting part 12, a second glass body 13, a blind 14 and the like. The first glass body 11 is mounted on an outer peripheral part of a building 1. The second glass body 13 is mounted so as to cover an upper part of the first glass body 11 outside of the first glass body 11. The second glass body 13 plays a role of eaves for shielding direct sunlight 20 entering the building by diffusing and transmitting the light, and also, diffusion light 21 which has transmitted the second glass body 13 can be used effectively as illumination light. Also, by adjusting a diffusion transmission ratio and the like of the second glass body 13, a view to some extent can be secured, and an outside view can be seen also from a lower part of the first glass body 11, so that a closed feeling can be alleviated.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a lighting structure for taking sunlight into a building.

  From the viewpoint of energy saving, it is desired to effectively use sunlight as lighting in a building. However, if direct sunlight is introduced as it is, it causes glare and the like and is not necessarily suitable for indoor lighting. Therefore, various measures are taken to use sunlight as lighting while preventing problems such as glare.

  For example, in the daylighting structure of Patent Document 1, a lighting adjustment plate that projects outward is provided between upper and lower windows, and a louver is provided on the upper window, thereby diffusing sunlight while shielding direct sunlight. Reflected to capture and use as illumination. Patent Document 2 describes an example in which a panel made of glass or the like is provided in order to use sunlight and block direct sunlight.

JP 2006-172926 A JP 9-328852 A

  However, the use of sunlight as described above and the shielding of direct sunlight are contradictory in operating sunlight, and in the conventional example, it tends to be a large structure or complicated in order to achieve both. there were. As a result, it may take time for construction and maintenance, and the view from the room may be obstructed, resulting in a blockage of people in the building.

  The present invention has been made in view of the above-described problems, and provides a daylighting structure that can achieve both sunlight illumination and direct sunlight shielding with a simple configuration without giving a sense of blockage to an indoor person. With the goal.

In order to achieve the above-mentioned object, the present invention provides a first glass body attached to an outer peripheral portion of a building, and an upper portion of the first glass body spaced from the first glass body to the outside of the building. A second glass body that is attached to cover and diffuses and transmits visible light; and the second glass body is provided at a position spaced apart from the first glass body to the outside of the building. And a mounting portion provided on the outer peripheral portion of the lighting structure.
It is also desirable that a vent hole is provided in the mounting portion.
It is also desirable that the upper end portion of the second glass body is provided apart from the outside of the building at a height substantially corresponding to the floor surface height of the floor of the building.
It is also desirable that the lower end portion of the second glass body is attached to a side pillar portion.

In the present invention, the daylighting structure is constituted by the first glass body at the outer peripheral portion of the building and the second glass body attached so as to cover the upper portion of the first glass body outside the first glass body. Since the second glass body has a diffusive transmittance for visible light, it plays a role of shielding direct sunlight into the building and diffuses and transmits the direct sunlight incident on the second glass body for illumination. It can be used effectively as light.
Thus, by making the use of sunlight illumination and shielding of direct sunlight by the second glass body having diffuse permeability, the light environment around the window can be optimized with a simple lighting structure, There is no need for maintenance. In addition, by adjusting the diffuse transmittance of the second glass body, a certain degree of view can be secured, and an outside scene can be seen from the lower part of the first glass body, so that the feeling of blockage can be reduced.

A plurality of the daylighting structures are provided above and below, and the first glass body is attached so as to incline toward the outside of the building downward, and the first glass body of the daylighting structure on the lower side It is also desirable that the second glass body having a certain daylighting structure is provided continuously.
By forming the first glass body and the second glass body continuously, the construction becomes simpler and construction and maintenance are further facilitated.

The daylighting structure preferably further includes a blind attached in the vicinity of the first glass body and capable of adjusting an angle of a blade.
Thereby, a direct sunlight can be shielded using a blind as needed at the time of a low solar altitude.

It is desirable for the blind to be able to adjust the blades at different angles between an upper part at a position corresponding to the second glass body and a lower part below the upper part.
Thus, for example, when the amount of solar radiation is large, the upper blade plate is substantially horizontal as required, and diffused light from the second glass body is introduced into the room and effectively used as illumination light, while the lower blade plate is used effectively. Is substantially vertical and can be shielded by reflecting direct sunlight or the like to the outside.

  According to the present invention, it is possible to provide a daylighting structure capable of achieving both sunlight illumination and direct sunlight shielding with a simple configuration without giving a sense of blockage to a person in the room.

The figure shown about the lighting structure 10 The figure which shows about the illumination use of sunlight by the lighting structure 10, and shielding of direct sunlight The figure shown about the lighting structure 10a

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[First Embodiment]
(Configuration of daylighting structure 10)
FIG. 1 is a diagram illustrating a daylighting structure 10 according to the first embodiment. FIG. 1A is a diagram showing a cross-sectional configuration along the line AA in FIG. FIG. 1B is a view of the daylighting structure 10 as seen from the outside of the building 1.

  As shown in the drawing, the daylighting structure 10 includes a first glass body 11, a mounting portion 12, a second glass body 13, a blind 14, and the like. Moreover, the lighting structure 10 comprises the curtain wall of the building 1 between the pillar parts 30, and a plurality of lighting structures 10 are attached in the horizontal direction on each floor. Moreover, the horizontal position of the lighting structure 10 corresponds between the upper and lower floors.

  The first glass body 11 is a transparent glass body that is attached between the upper and lower floors 2 in the outer periphery of the building 1. The first glass body 11 only needs to transmit visible light, and various members can be used as long as this is the case. It does not particularly matter whether it is composed of a single layer glass or a multilayer glass. Examples of the first glass body 11 include heat ray absorbing glass and Low-E glass.

  The attachment portion 12 is for attaching the second glass body 13. The attachment portion 12 is provided so as to protrude from the outer peripheral portion of the building 1 to the outside of the building 1 at the height of the floor 2.

  The second glass body 13 is provided to be spaced from the first glass body 11 to the outside of the building 1 and to hang down from the tip of the attachment portion 12. The lower end portion of the second glass body 13 reaches a predetermined height of the first glass body 11 and covers the upper portion of the first glass body 11. This lower end is attached to the column 30 on the side.

The second glass body 13 has a diffuse permeability that diffuses and transmits visible light, and various members can be used as long as this is the case. It does not matter whether it is a single layer glass or a laminated glass. Further, the entire surface of the second glass body 13 is not necessarily required to have diffuse permeability.
Examples of the second glass body 13 include milk white glass and special glass that has been subjected to a finishing process having a diffusion effect such as a tapestry process. Moreover, the single layer glass and laminated glass which affixed translucent glass sheet film | membranes, such as milky white which has diffuse permeability, on the glass surface can also be used. In addition, a laminated glass formed by sandwiching a special interlayer film or a resin layer having diffuse permeability between two transparent glasses can be used.

  In addition, regarding the incident light to the second glass body 13, the ratio of transmitted light that diffuses and transmits (diffuse transmittance) and the ratio of transmitted light that maintains the incident direction can be adjusted in various ways. As a result, the external view can be secured to some extent. For example, in the case of milky white glass, the milky white concentration may be adjusted.

  The blind 14 is provided on the building interior side near the upper end of the first glass body 11. The blind 14 can be expanded and contracted up and down, and expands and contracts as necessary. The blind 14 is normally in a contracted state, but when extended, the lower end reaches the lower end of the first glass body 11. Moreover, the blind 14 can adjust the angle of the blade.

(Use of sunlight by the daylighting structure 10 and shielding of direct sunlight)
Next, the use of sunlight illumination and the shielding of direct sunlight by the lighting structure 10 will be described with reference to FIG.

  As shown in FIG. 2A, the second glass body 13 provided outside the building 1 via the attachment portion 12 diffuses the direct sunlight 20 into the building, and the direct sunlight 20 into the building. It acts as a trap to prevent the arrival of The position of the lower end portion of the second glass body 13 is determined in consideration of the solar altitude, etc., and taking the outside view into consideration so that the direct sunlight 20 does not reach the building during the daytime such as summer. Can do.

  Further, the direct sunlight 20 that hits the second glass body 13 is transmitted as diffused light 21 and can be effectively used as illumination in the building. Furthermore, by adjusting the diffuse transmittance of the second glass body 13 and the like, a certain degree of view can be secured, and since the outside scene can be seen from the lower part of the first glass body 11, it can also give a sense of blockage to indoor people. Absent.

  On the other hand, as shown in FIG. 2 (b), in order to prevent direct sunlight 22 from entering the building and causing discomfort such as glare in winter, the blind 14 is lowered as necessary to prevent the angle of the slats. Can be adjusted. As a result, the direct sunlight 22 can be shielded and reflected as the diffused light 23 to prevent discomfort.

The blind 14 is not limited to the above case, and is used as necessary. At this time, the upper part of the blind 14 at a position corresponding to the second glass body 13 and the lower part of the blind 14 below the blind 14 are used. Thus, it is possible to make the blades have different angles.
For example, when the amount of solar radiation is large, as shown in FIG. 2 (c), the slats of the upper part of the blind 14 are substantially horizontal, and the diffused light 21 from the second glass body 13 is illustrated indoors as illustrated by the dotted line 24. While reaching and making use of the illumination, the lower slats of the blind 14 can be made substantially vertical so that the direct sunlight 22 etc. can be reflected and shielded outside.

  As described above, according to the present embodiment, the first glass body 11 on the outer peripheral portion of the building 1 is attached so as to cover the upper part of the first glass body 11 outside the first glass body 11. The daylighting structure 10 is constituted by the second glass body 13. Since the second glass body 13 has visible light diffusive transmission, the second glass body 13 functions as a shield for shielding the direct sunlight 20 into the building, and diffuses the direct sunlight 20 incident on the second glass body 13. It can be used effectively as illumination light.

  Thus, by making the use of sunlight illumination and shielding of direct sunlight by the second glass body 13 having diffuse permeability, the light environment around the window can be optimized by the simple daylighting structure 10, There is no need for construction and maintenance. Further, by using the second glass body 13 for shielding direct sunlight, it is possible to optimize the thermal environment around the window, and the optimization can improve the CO2 and energy saving performance of the building 1.

  Furthermore, a certain degree of view can be secured by adjusting the diffuse transmittance of the second glass body 13 and the like. In addition, since the outside scene can be seen from the lower part of the first glass body 11, it is possible to reduce the feeling of blockage and to improve the intelligent productivity of human beings in the building in combination with optimization of the light environment and the like.

  In addition, the blinds 14 that can adjust the angle of the slats can shield the direct sunlight 22 using the blinds 14 as needed in winter and other times when the solar altitude is low.

  In addition, the blind 14 can adjust the blades at different angles between the upper part at a position corresponding to the second glass body 13 and the lower part below it, for example, when the amount of solar radiation is large, The upper blade is substantially horizontal and diffused light 21 from the second glass body 13 is introduced into the room for effective use as illumination light, while the lower blade is substantially vertical and reflects direct sunlight 22 etc. to the outside. It can be shielded.

  However, the present invention is not limited to this. For example, it is possible to exhaust heat by providing a vent hole at the tip of the mounting portion 12 to prevent accumulation of heat between the first glass body 11 and the second glass body 13.

  In addition, a ventilation device can be provided on the first glass body 11 in order to take outside air into the room and perform natural ventilation.

  Thus, the daylighting structure of the present invention is not limited to that described in the first embodiment. Next, the example from which the structure of the 1st glass body 11 and the 2nd glass body 13 differs is demonstrated as 2nd Embodiment. The second embodiment will be described with respect to differences from the first embodiment, and description of similar points will be omitted.

[Second Embodiment]
FIG. 3 is a diagram illustrating the daylighting structure 10a according to the second embodiment. FIG. 3A is a diagram showing a cross-sectional configuration along the line BB in FIG. FIG. 3B is a view of the daylighting structure 10 a as viewed from the outside of the building 1.

  As shown in the drawing, in the second embodiment, the first glass body 11 is provided so as to incline downward toward the outside of the building 1. Moreover, the 2nd glass body 13 is provided so that it may continue from the lower end part of the 1st glass body 11 with the same inclination. The second glass body 13 is separated from the first glass body 11 on the lower floor to the outside of the building 1 and covers the upper part thereof. The first glass body 11 and the second glass body 13 may have different inclinations as long as they are continuous.

  In 2nd Embodiment, the 1st glass body 11, the 2nd glass body 13 which covers the upper part of this 1st glass body 11, and continues from the 1st glass body 11 of an upper floor, and 1st The blinds 14 and the like similar to those of the embodiment constitute the daylighting structure 10a.

  Also in the daylighting structure 10a, the second glass body 13 plays the same role as in the first embodiment. Therefore, the second embodiment can provide the same effects as those of the first embodiment. Furthermore, in the second embodiment, since the first glass body 11 and the second glass body 13 are made continuous, the configuration becomes simpler and construction and maintenance are further facilitated.

  As mentioned above, although embodiment of this invention was described referring an accompanying drawing, the technical scope of this invention is not influenced by embodiment mentioned above. It is obvious for those skilled in the art that various modifications or modifications can be conceived within the scope of the technical idea described in the claims, and these are naturally within the technical scope of the present invention. It is understood that it belongs.

1: Building 10, 10a: Daylighting structure 11: First glass body 12: Mounting portion 13: Second glass body 14: Blind 20, 22: Direct sunlight 21, 23: Diffuse light

Claims (7)

A first glass body attached to the outer periphery of the building;
A second glass body that diffuses and transmits visible light, and is attached to cover the top of the first glass body, spaced from the first glass body to the outside of the building;
A mounting portion provided on an outer peripheral portion of the building for providing the second glass body at a position spaced from the first glass body to the outside of the building;
A daylighting structure characterized by comprising:   The daylighting structure according to claim 1, wherein a ventilation hole is provided in the attachment portion.   3. The upper end portion of the second glass body is provided at a height substantially corresponding to a floor surface height of the floor of the building and spaced apart from the outside of the building. 3. The daylighting structure described.   The lighting structure according to any one of claims 1 to 3, wherein a lower end portion of the second glass body is attached to a column portion on a side. A plurality of the daylighting structures are provided above and below,
The first glass body is attached to be inclined downward toward the outside of the building,
The said 1st glass body of the upper lighting structure and the said 2nd glass body of the lower lighting structure are provided so that it may continue. Daylighting structure.   The daylighting structure according to any one of claims 1 to 5, further comprising a blind attached in the vicinity of the first glass body and capable of adjusting an angle of a blade.   The daylighting structure according to claim 6, wherein the blind plate can adjust the blades at different angles between an upper portion at a position corresponding to the second glass body and a lower portion below the upper portion. .

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