JP2000226969A - Board for regulating solar-radiating direction and multi- layer panel enclosing the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a required daylighting condition by integrally forming a radiation beam regulation face having a roughly serrated continuous section of a plurality if transparent projections parallelly arranged, on both faces of a transparent plate separately, and arbitrarily regulating the solar-radiation direction through one radiation beam regulatuin face and the other radiation beam regulation face. SOLUTION: The solar radiation beam reaches a solar-radiation direction-regulating board 11 side through a transparent board 42 facing the outdoor side. In this case, the transparent projections 22 facing the outdoor side are provided with the upper side hood face 23 and the lower side hood face 24 in which vertex angle θ1 if 5-25 degrees and vertex angle θ2 of 55-105 degrees are interposed. Hence, an incident ray of light R from the upper side dome is refracted and then reaches the lower side hood face 24. In this time, the all incident rays o flight R which have reached the lower side hood face 24 reflect upward since the incident angle is at least the critical angle. Then, the reflected rays of light reach the indoor side through the upper side hood face 23 of the transparent projections 32 facing the indoor side. Therefore, solar- radiation beams can be obtained as natural light in the indoor depth regardless of seasons.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to direct sunlight which is taken into the interior of a room or reflected outside without being taken into a room, depending on the season when the altitude of the sun changes. Accordingly, the present invention relates to a solar radiation direction regulating plate capable of obtaining a desired lighting state and a multilayer panel enclosing the same.

[0002]

2. Description of the Related Art Usually, a glass window or a glass door is installed at an appropriate portion in a vertical direction such as an outer wall of a building for lighting. For this reason, in summer when the altitude of the sun is high, the sunlight only reaches the indoor side relatively close to the glass window or the glass door due to the relationship with the solar radiation angle. Also, in winter when the altitude of the sun is low, sunlight can be taken into the back relatively far from the glass window or glass door.

On the other hand, in recent years, it has been evaluated that it is excellent in heat insulation and sound insulation, and the tendency to use double-glazing for the above-mentioned glass windows and glass doors has also become remarkable. I have.

[0004] In addition, some of the above-mentioned multi-layer glasses are provided with a heat ray reflective film on the glass surface to impart heat insulation. However, the heat ray reflective film has a problem that it lacks transparency because it has a metallic color that causes a glaring feeling on the glass surface.

[Problems to be solved by the invention]

[0005] In view of the above, a double-pane glass in which a transparent panel having an uneven portion which influences the direction of light transmission on one side is sealed in an internal space eliminates the glare from the glass surface of the double-pane glass and provides excellent transparency. Attempts have been made to get a feeling. However, with respect to the above-mentioned double-glazed glass in which the transparent panel is encapsulated, even if it may have some influence on the light transmission direction via the uneven portion, a desired optimum value corresponding to each season when the altitude of the sun changes is obtained. There was a disadvantage that the direction of sunlight could not be regulated to such an extent that the lighting condition could be obtained.

[0006] In view of the above-mentioned problems encountered in the conventional method, the present invention takes direct sunlight as natural light deep into a room or conversely into a room according to the season when the altitude of the sun changes. It is an object of the present invention to provide a solar radiation direction regulating plate that reflects light to the outside without entering the panel and a multilayer panel enclosing the plate.

[0007]

DISCLOSURE OF THE INVENTION The present invention has been made to achieve the above-mentioned object. Among them, the structural features of the solar radiation direction regulating plate according to the present invention are arranged in a parallel arrangement. A plurality of transparent ridges are formed so as to be continuous so as to have a substantially sawtooth cross-section, and an optical path regulating surface is integrally formed on each of both surfaces of the transparent plate material. This is to make it possible to freely regulate the direction of sunlight through the surface. In this case, each transparent ridge has an upper eaves surface which is inclined forward when the transparent plate material is arranged in a vertical direction, and a lower side formed by interposing an apex angle of a required angle between the upper eaves surface. It is preferable to form it with an eaves surface. In addition, the transparent ridges arranged on one surface of the transparent plate member form a vertical angle of 5 to 25 degrees with the horizontal plane when the transparent plate member is arranged in the vertical direction, and are inclined. A lower eaves surface and an upper eaves surface having a vertical angle of 55 to 105 degrees interposed between the lower eaves surface, and each transparent ridge arranged on the other surface of the transparent plate material is A lower eaves surface forming an apex angle of -5 to 5 degrees with a horizontal plane when the transparent plate material is arranged in a vertical direction, and 50 to 80 degrees between the lower eaves surface.
It is desirable to have an upper eaves surface that tilts forward with a vertical angle interposed. Further, when the transparent plate material is disposed in the vertical direction, the apex angle formed between the lower eaves surface of one surface of the transparent plate material and a horizontal plane, and the apex angle of the other surface of the transparent plate material It is preferable that the apex angle formed between the lower eaves surface and the horizontal plane be different.

When the transparent plate is disposed in the vertical direction, the top surface has a ridge along its length, the bottom has a ridge along the length, and the bottom has a ridge. By providing a concave portion having a curved surface that can be freely fitted to the portion, the convex portion and the concave portion are formed when the bottom surface of one transparent plate material is placed on the top surface of one transparent plate material. It is also possible to control the positions of the two parts. As a result, the stacking can be stably performed while controlling the position, so that the sealing can be performed while flexibly corresponding to the standard size of the multilayer panel.

[0009] Further, a structural feature of the multilayer panel according to the present invention is that at least one of at least one space secured between two or more transparent plate members separated from each other by a spacer. In one space, a solar radiation direction regulating plate having any of the above configurations is sealed.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a vertical cross-sectional view of a solar radiation direction regulating plate according to the present invention, in which a part thereof is omitted. FIG. Indicates a multi-stage stacked structure. FIG. 2 is an explanatory diagram showing an enlarged main part in FIG.

That is, according to FIG. 1A, the solar radiation direction regulating plates 11 made of a suitable transparent plate material such as a transparent resin plate or a transparent glass plate made of an acrylic resin or the like are arranged in a parallel arrangement relationship. A plurality of optical path regulating surfaces 21 formed by arranging a plurality of arranged transparent ridges 22 so as to have a substantially sawtooth cross section are arranged on one side surface of the transparent plate member 12 in a similar parallel arrangement relationship. Are formed integrally with the other side surface of the transparent plate member 12, respectively, so that the transparent ridges 32 are continuously formed so as to have a substantially saw-toothed cross section. The direction can be freely regulated, and the whole is formed.

More specifically, each transparent ridge 22 constituting the optical path regulating surface 21 located on one side surface of the transparent plate member 12 is provided when the transparent plate member 12 is disposed in the vertical direction. The upper eaves surface 23 is inclined forward, and a lower eaves surface 24 having a required vertical angle interposed between the upper eaves surface 23 is formed. In this case, each transparent ridge 22 has a distance of 5 to 5 with respect to a horizontal plane L when the transparent plate member 12 is vertically arranged as shown in FIG.
A lower eaves surface 24 that forms a 25 degree apex angle θ ₁ and is inclined;
It is desirable to have an upper eaves surface 23 having a vertical angle θ ₂ of 55 to 105 degrees interposed between the lower eaves surface 24 and the lower eaves surface 24.

Each of the transparent ridges 32 constituting the optical path regulating surface 31 located on the other side surface of the transparent plate member 12 includes:
An upper eaves surface 33 which is inclined forward when the transparent plate material 12 is arranged in the vertical direction, and a lower eaves surface 34 having a required vertical angle interposed between the upper eaves surface 33 and the upper eaves surface 33. It is formed. In this case, each of the transparent ridges 32 has a distance between the horizontal plane L and the horizontal plane L such that when the transparent plate member 12 is disposed in the vertical direction, the horizontal plane L is substantially flush with the horizontal plane L indicated by the dashed line on the left side of FIG. Lower eaves surface 34 forming a vertical angle of ~ 5 degrees
And an upper eaves surface 33 that tilts forward with a vertex angle θ ₃ of 50 to 80 degrees interposed between the lower eaves surface 34 and the lower eaves surface 34. In the present invention, the “negative” vertex angle formed by the horizontal plane L and the lower eaves surface 34 is such that the vertex angle formed by the horizontal plane L and the upper eaves surface 33 is larger than θ ₃ . This corresponds to the case where a lower eaves surface is provided.

Further, the transparent plate 12 is made of a material as shown in FIG.
As shown in (b), the top surface 13 when arranged vertically is provided with a ridge 14 along its length, and the bottom 15 is provided with a ridge along its length. 14 may be formed by providing concave portions 16 each having a curved surface which can be freely fitted to the concave portions 16. In this case, when the bottom surface 15 of the transparent plate material 12 positioned above is placed on the top surface 13 of the transparent plate material 12 positioned below, the ridges 14
It is possible to stably pile up multiple stages while regulating the position so that the two do not deviate from each other. The cross-sectional shape of the ridge portion 14 and the concave portion 16 is not particularly limited as long as they can be fitted smoothly with each other.

On the other hand, FIG. 3 is a longitudinal sectional view showing an example of the multilayer panel according to the present invention with a part thereof being omitted.
The solar control plate 11 is sealed in a space 44 secured between the two transparent plate members 42, 42 separated from each other with the interposition 3 therebetween, thereby forming the entire multilayer panel 41. In addition, the code | symbol 45 in FIG. 3 shows a primary seal, 46 shows a secondary seal, respectively.

In this case, the solar radiation direction regulating plate 11
Each side of the left and right vertical frame sides in the multilayer panel 41 is held by a holding member (not shown) having a substantially U-shaped cross section, and then is held between the left and right vertical frame side spacers (not shown). It is preferable to seal with a suitable bonding agent or adhesive. The solar radiation direction regulating plate 11 to be enclosed may have an appropriate structure as illustrated in FIGS. 1 and 2 if desired.

The multi-layer panel 41 is formed by separating three or more transparent plates through spacers.
The above-mentioned spaces may be formed, and the solar radiation direction regulating plate 11 may be sealed in at least one of these spaces. In addition, the multi-layer panel 41
Is desirably formed as a double-layer glass using transparent glass as the transparent plate member 42, but may be formed using a transparent resin plate as the transparent plate member 42 if desired.

Next, the operation of the present invention will be described with reference to FIGS. 4 to 7 by taking as an example a case where the solar radiation direction regulating plate 11 shown in FIG. 1A is enclosed in the space 44 of the multilayer panel 41. I do.

That is, FIGS. 4 and 5 show a state where the light path regulating surface 31 of the solar radiation direction regulating plate 11 is installed on the outdoor side facing the south side and the optical path regulating surface 31 is located on the indoor side. FIG. 4 shows a state in summer when the altitude of the sun is high, and FIG. 5 shows a state in winter when the altitude of the sun is low. In this example, θ ₁ in FIG.
= 15 degrees, θ ₂ = 80 degrees, θ ₃ = 65 degrees, lower eaves surface 34
Is the same as the horizontal plane L.

First, the state of summertime will be described with reference to FIG. 4. The sunlight S ₁ is irradiated from a relatively high position and reaches the sunlight direction regulating plate 11 through the transparent plate 42 facing the outdoor side. I do. In this case, the transparent ridge 22 facing the outdoor side
Has an upper eaves surface 23 and a lower eaves surface 24 with an apex angle θ ₁ and an apex angle θ ₂ interposed therebetween, as shown in FIG. And reaches the lower eaves surface 24. At this time, since the light ray R that has reached the lower eaves surface 24 has an incident angle equal to or greater than the critical angle,
All of them are slightly reflected upward and reach the interior through the upper eaves 33 of the transparent ridge 32 facing the interior side. Therefore, sunlight S ₁ of the summer, it is possible to reach its light R as natural light to toward the back of the indoor side, it is possible to obtain an excellent lighting performance.

Next, the winter state will be described with reference to FIG. 5. The sunlight S ₂ is irradiated from a relatively low position and passes through the transparent plate member 42 facing the outdoor side to the side of the solar radiation direction regulating plate 11. Ray R arrives. In this case, since the light ray R is incident on the upper eaves surface 23 of the transparent ridge 22 facing the outdoor side substantially orthogonally, the light ray R goes straight through the transparent plate member 12 as it is,
It reaches the lower eaves surface 34 of the transparent ridge 32 facing the indoor side. At this time, since the light ray R that has reached the lower eaves surface 34 has an incident angle that is equal to or greater than the critical angle, all of the light is reflected slightly upward and passes through the transparent plate material 42 facing the indoor side to enter the room. To reach. Therefore, even in the sunlight S ₂ in winter, since it is possible to reach its light R as natural light to toward the back of the indoor side, it is possible to obtain an excellent lighting performance.

On the other hand, FIG. 6 and FIG.
1 is installed on the outdoor side with the light path regulating surface 31 facing the south side so that the light path regulating surface 21 is located on the indoor side (that is, in a state where the front and back are reversed from the examples shown in FIGS. 4 and 5). FIG. 6 shows a state in summer when the altitude of the sun is high, and FIG. 7 shows a state in winter when the altitude of the sun is low.

First, the state of the summer season will be described with reference to FIG. 6. The rays R of the sunlight S ₁ reach the side of the sunlight direction regulating plate 11 via the transparent plate 42 facing the outdoor side. In this case, the transparent ridge 32 facing the outdoor side has a lower eaves surface 34 which is substantially flush with the horizontal plane L as shown in FIG. Since the light beam R incident on the upper eaves surface 33 is slightly refracted downwardly through the upper eaves surface 33 through the apex angle θ ₃ , the light rays R enter the upper eaves surface 33 again from the upper eaves surface 33. The light enters at right angles. The light rays R re-incident from the upper eaves surface 33 reach the upper eaves surface 23 of the transparent ridge 22 facing the indoor side at an incident angle equal to or larger than the critical angle, and all of them are reflected downward, and the lower eaves surface is reflected. 2
4 to the upper eaves surface 23 of the transparent ridge 22 located at the lower stage. The light rays R entering from the upper eaves 23 pass through the transparent plate 12 and pass through the upper eaves 33 of the transparent ridge 32 facing the outdoor and the transparent plate 42 and are led out to the outdoor. Reach. Therefore, sunlight S ₁ of the summer, since all without reaching the ray R indoor side is led out to the outdoor side, using a heat-reflecting film exhibiting a metallic colors with glistening sense as in the prior art An excellent heat-shielding effect can be obtained on a glass surface that is rich in transparency without any problems.

Further, when describing the winter state by 7, sunlight S ₂ reaches to the side of the solar radiation direction regulating plate 11 through the transparent plate 42 facing the weather side. In this case, the transparent ridge 32 facing the outdoor side is provided with the upper eaves surface 33 having the vertical lower eaves surface 34 interposed between the horizontal lower eaves surface 34 and the vertical angle θ ₃ of 50 to 80 degrees as described above. Therefore, a part r ₁ of the light ray R incident substantially orthogonally from the upper eaves surface 33 passes through the transparent plate member 12 and passes through the lower eaves surface 24 of the transparent ridge 22 facing the indoor side. Reach inside. Further, another part r ₂ of the light ray R that has entered from the upper eaves surface 33 so as to be substantially orthogonal thereto reaches the horizontal lower eaves surface 34 at an angle of incidence equal to or larger than the critical angle. The light is slightly reflected upward, passes through the transparent plate member 12, and reaches the indoor through the upper eaves surface 23 of the transparent ridge 22 facing the indoor side and the transparent plate member 42. Therefore, even in the sunlight S ₂ in winter, ray R in a region including towards the back of the indoor side
Since (r ₁ , r ₂ ) can be reached, the lighting performance can be improved accordingly.

The solar radiation direction regulating action compared between summer and winter described with reference to FIGS. 4 and 5, 6 and 7 largely depends on the following configuration. That is, the apex angle θ ₂ formed by the lower eaves surface 24 of the transparent ridge 22 and the horizontal plane L
And a vertex angle formed by the lower eaves surface 34 of the transparent ridge 32 and the horizontal plane L. Due to this difference in angle, it is possible to realize the regulation of the solar radiation direction according to each season in summer when sunlight is irradiated from a high position and in winter when sunlight is irradiated from a low position. Then, depending on the region and the direction in which the solar radiation direction regulating plate of the present invention is used, both transparent ridges 2 are provided.
2, 32 each upper eaves 23, 33 and each lower eaves 2
By appropriately determining the size of each apex angle formed by the horizontal plane L and the horizontal plane L, it is possible to obtain a desired solar radiation direction regulating action according to the area and the azimuth. Considering the Japanese latitude, in order to achieve the desired solar radiation regulations corresponding to each such region or each orientation, theta ₁ is 5 to 25 degrees, theta ₂ is 55 to 105 degrees, theta ₃ is 50 to 80 degrees Preferably, the horizontal plane L and the lower eaves surface 34 are substantially flush.

[0026]

As described above, according to the present invention, the solar radiation direction regulating plate is formed integrally with the light path regulating surfaces provided on both sides of the transparent plate material, so that regardless of the season, the sunlight irradiating plate is formed. Since the light beam can reach the interior of the room as natural light, excellent lighting performance can be obtained. Thus, for example, in winter, the heating load can be reduced at the same time.

On the other hand, by arranging the solar radiation direction regulating plate upside down, all of the sunlight in summer can be led out to the outdoor side without allowing light rays to reach the indoor side. An excellent heat-shielding effect can be obtained on a glass surface that is rich in transparency without using a heat ray reflective film that exhibits a metallic color with a glaring feeling. Further, even in the case of sunlight in winter, light can reach natural light as far as the area including the inner part on the indoor side, so that excellent daylighting properties can be obtained.

[Brief description of the drawings]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a vertical cross-sectional view of a solar radiation direction regulating plate according to the present invention, with a part thereof omitted from illustration, in which (A) shows a single-sheet structure and (B) shows a multi-stack structure. Shown respectively.

FIG. 2 is an explanatory view showing an enlarged main part in FIG.

FIG. 3 is a longitudinal sectional view showing an example of a multilayer panel according to the present invention with a part thereof omitted.

FIG. 4 is an explanatory diagram showing a relationship between the multilayer panel shown in FIG. 3 and sunlight in an example of summer when the altitude of the sun is high.

FIG. 5 is an explanatory view showing the relationship between the multilayer panel shown in FIG. 3 and sunlight in winter in which the altitude of the sun is low.

FIG. 6 is an explanatory diagram showing a relationship with sunlight when the multilayer panel shown in FIG. 3 is arranged upside down in summer in which the altitude of the sun is high as an example.

FIG. 7 is an explanatory diagram showing a relationship with sunlight when the multilayer panel shown in FIG. 3 is arranged upside down in winter in which the altitude of the sun is low.

[Explanation of symbols]

11 Sunlight direction regulating plate 12 Transparent plate material 13 Top surface 14 Convex ridge 15 Bottom 16 Concave portion 21, 31 Optical path regulating surface 22, 32 Transparent ridge 23, 33 Upper eaves surface 24, 34 Lower eaves surface 41 Multi-layer panel 42 transparent plate material 43 spacer 44 spaces 45 primary seal 46 secondary seal S ₁ sunlight (summer) s ₂ sunlight (winter) L horizontal line R rays r _1, r ₂ light part of R

Claims (5)

[Claims] An optical path regulating surface comprising a plurality of transparent ridges arranged in a parallel arrangement so as to have a substantially sawtooth cross section is integrally formed on both surfaces of a transparent plate material, respectively. A solar radiation direction regulating plate, wherein the solar radiation direction can be freely regulated via an optical path regulating surface on one surface and an optical path regulating surface on the other surface. 2. The transparent ridges arranged on both sides of the transparent plate material are required between an upper eave surface which is inclined forward when the transparent plate material is arranged in a vertical direction, and the upper eave surface. 2. The solar radiation direction restricting plate according to claim 1, wherein each of the plates is formed with a lower eaves surface having an apex angle interposed therebetween. 3. Each of the transparent ridges arranged on one surface of the transparent plate material forms an apex angle of 5 to 25 degrees with a horizontal plane when the transparent plate material is arranged in a vertical direction. And a lower eaves surface that is inclined with a lower eaves surface, and an upper eaves surface with an apex angle of 55 to 105 degrees interposed between the lower eaves surface and each transparent array arranged on the other surface of the transparent plate material. When the transparent plate material is arranged in the vertical direction, the ridges have a distance of -5 from the horizontal plane.
A lower eaves surface forming an apex angle of up to 5 degrees, and an upper eaves surface inclined forward with a vertex angle of 50 to 80 degrees interposed between the lower eaves surface. Item 2. The solar radiation direction regulating plate according to Item 2. 4. An apex angle formed between the lower eaves surface of one surface of the transparent plate material and a horizontal plane when the transparent plate material is vertically disposed, and the other of the transparent plate material. The solar radiation direction restricting plate according to claim 2 or 3, wherein an apex angle formed between the lower eaves surface and a horizontal plane is different. 5. The method according to claim 1, wherein at least one of at least one of the at least two spaces, which is provided between two or more transparent plate members separated from each other by spacers, is secured. A multilayer panel, wherein the solar radiation direction control plate described in Crab is enclosed.