JPH07247643A - Arched skylight device - Google Patents

Abstract

PURPOSE:To significantly enhance the heat-insulating performance of an arched skylight and to prevent dewdrops from falling into the room by providing inside the arched skylight an angled skylight formed with right and left downgrade slopes. CONSTITUTION:An arched skylight 1 of arched cross section made of a transparent or semitransparent material is installed to surround a daylighting interval 4 which is formed on the rooftop 3 of a building, the surface of the roof, or in a passage. In this arched skylight device, an angled skylight 2 of angled cross section made of a transparent or semitransparent material with right and left downgrade slopes 2A, 2B formed thereon is provided inside the arched skylight 1. Drainage passages 11a, 11a communicating the inside of the skylight 1 with the outside are formed at the lower end of the angled skylight 2. As a result, dewdrops forming on the inner surface of the angled skylight 2 are all allowed to flow down along the slopes 2A, 2B and out onto the rooftop 3 or the surface of the roof through the drain channel 11a.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a skylight device for natural lighting installed on the roof of a building, a roof surface or a ceiling of a passage, and more particularly to a skylight device having an arched cross section.

[0002]

2. Description of the Related Art Various types of skylight devices are attached. Among them, from the viewpoint of aesthetics, many arch-shaped skylight devices as shown in FIG. 6 are attached. In this arch-shaped skylight device, an arch-shaped skylight 50 made of transparent or translucent resin or glass is installed so as to surround a lighting interval portion 55 formed on a rooftop 54 or a roof surface of a building.

By the way, as an arch-shaped skylight device, conventionally, the skylight has a double structure of the inside and outside, and an air layer is formed in the middle,
It is known to provide a heat insulating function, that is, a function of suppressing the heat of the room from escaping to the outside in the winter and a function of suppressing the heat of the outdoor from entering the room in the summer.

As this type of arch-shaped skylight device, there is known a device in which a horizontal skylight 51 is arranged inside an arch-shaped skylight 50 as shown in FIG. 7, for example. Further, as shown in FIG. 8, it is also known that arc-shaped skylights 50 and 52 are provided inside and outside. 6 to 8, reference numeral 53 is arranged at the lower end of the arch-shaped skylights 50 and 52, and
It shows a drain water channel that discharges the dew condensation water generated on the inner surface of the outside of the skylight.

[0005]

However, in the single arch-shaped skylight device shown in FIG. 6, dew condensation occurs on the lower surface of the arch-shaped skylight 50 due to the temperature difference between the outside and the inside of the skylight in winter. Condensation water may fall into the room, and even with the double-structured arch-shaped skylight shown in FIG.
Condensation was generated on the lower surface of No. 1 though it was not so much as the lower surface of the arch-shaped skylight 50, and the condensed water was dropped into the room as indicated by an arrow T.

Also, in the skylight device of FIG. 8, similarly to the skylight device of FIG. 7, dew condensation water is generated on the inner surface of the internal arch-shaped skylight 52, although the amount is small. As indicated by an arrow U, the condensed water had dropped into the room.

An object of the present invention is to provide an arch-shaped skylight device having an internal and external double structure in which condensed water does not drop into a room.

[0008]

In order to achieve the above object, the present invention provides an arch-shaped skylight made of a transparent or translucent material having an arch-shaped cross section on the rooftop, roof surface or passage of a building. In the arch-shaped skylight device installed around the lighting interval portion, a mountain-shaped skylight made of a transparent or translucent material with a mountain-shaped cross-section is provided inside the arch-shaped skylight, and a sloped surface is formed in the lower left and right directions. ing.

In the arch-shaped skylight device of the present invention, both the arch-shaped skylight and the mountain-shaped skylight are formed by bending a resin plate at room temperature.

In the arch-shaped skylight device of the present invention, the arch-shaped skylight is formed by bending a resin plate at room temperature, and the mountain-shaped skylight is made of glass.

Further, in the arch-shaped skylight device of the present invention, both the arch-shaped skylight and the mountain-shaped skylight are made of glass.

Further, in the arch-shaped skylight device of the present invention, the glass constituting the arch-shaped skylight or the mountain-shaped skylight is a meshed glass.

Further, in the arch-shaped skylight device of the present invention, the drain water channel which communicates the inside and outside of the skylight is integrally formed with the holding frame for holding the arch-shaped skylight and the mountain-shaped skylight in the building, and the holding frame is arched. First and second window supporting portions respectively supporting a lower end portion of the shaped skylight and a lower end portion of the mountain shaped skylight;
-A fixing portion integrally provided on the second window supporting portion and fixed to the building, a drain water channel formed on the upper surface of the window supporting portion and the fixing portion, and a drain water channel and the outside of the skylight are formed to communicate with each other. It consists of a drain hole.

[0014]

According to the arch-shaped skylight device of the present invention, since the mountain-shaped skylight arranged on the indoor side is formed in a cross-sectional mountain shape having a sloped surface in the left and right downward directions, the mountain-shaped skylight on the indoor-side surface of the mountain-shaped skylight. Even if condensation occurs, all of the condensation water flows down along the sloped surface and is discharged to the outside of the skylight through the drain water channel. In addition, since the arch-shaped skylight and the mountain-shaped skylight have a double structure and an air layer is formed between them, the heat insulation performance is dramatically improved compared to the case of only a single arch-shaped skylight. Condensation on the indoor side of the skylight is suppressed considerably.

When both the arch-shaped skylight and the mountain-shaped skylight are made by bending a resin plate at room temperature, the resin has a smaller thermal conductivity than glass and has good heat insulation and dew-proofness. Is. Further, since it is a resin plate, it contributes to cost reduction as compared with bending glass.

Similarly, when the arch-shaped skylight is made by bending a resin plate at room temperature and the mountain-shaped skylight is made of glass,
Since the arch-shaped skylight is made of resin, its thermal conductivity is smaller than that of glass, and its heat insulation and dew resistance are good. Further, since the arch-shaped skylight is a resin plate, it contributes to cost reduction as compared with bending glass.

When both the arch-shaped skylight and the mountain-shaped skylight are made of glass, the skylight has a high hardness and is not easily scratched, and the brilliance of the surface improves the appearance.

In particular, when the glass forming the arch-shaped skylight or the mountain-shaped skylight is a mesh-containing glass, the glass broken by heat when a fire occurs does not fall into the room.

Further, a drain channel connecting the inside and the outside of the skylight is integrally formed with a holding frame for holding the arch-shaped skylight and the mountain-shaped skylight in the building, and the holding frame has a lower end portion of the arch-shaped skylight and the mountain-shaped skylight. First to support the lower end respectively
A second window support part, a fixing part integrally provided to the first and second window support parts and fixed to the building, a drain water channel formed on the window support part and the upper surface of the fixing part, and a drain water channel. And a drain hole formed by connecting the outside of the skylight with the outside of the skylight, the condensed water flowing down along the arch-shaped skylight and the mountain-shaped skylight passes through the drain water channel formed in the holding frame and goes out of the skylight through the drain hole. Is discharged to.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the arch-shaped skylight device of the present invention will be described below with reference to FIGS.

1 and 2 show an embodiment of the arch-shaped skylight device of the present invention. This arch-shaped skylight device has an arch-shaped skylight 1 formed in a dome shape with a cross-sectional arched shape, and a cross-sectional mountain in which the left and right downward slopes 2A and 2B are formed inside the interior of the arch-shaped skylight 1. Shape of Yamagata skylight 2
A double-structured skylight consisting of and is installed around the rooftop 3 of the building or on the roof surface so as to surround a rectangular lighting interval portion 4.

Here, the arch-shaped skylight 1 is a plurality of arch-shaped window standing frames 5a provided at intervals, and a transparent or transparent body which is mounted between the window standing frames 5a to form a body portion. A translucent arch-shaped body part lighting panel 6, a translucent or translucent vertical plate-shaped end plate lighting panel 7 that constitutes a end plate part that closes the semicircular openings at both ends of the body part, and a end plate lighting panel. And a window stand 5b for supporting 7.

In particular, the arch-shaped skylight 1 of this embodiment is formed by rounding (bending) the window standing frame 5a, and the body lighting panel 6 is made of a resin plate such as a polycarbonate resin plate or an acrylic resin plate. And is forcibly bent in accordance with the shape of the window upright frame 5a (at room temperature) and attached to the window upright frame 5a. In this way, when the resin plate is used as the body lighting panel 6 of the arch-shaped skylight 1, the manufacturing cost can be reduced as compared with the case of using expensive bending glass, and the thermal conductivity is smaller than that of glass. The heat insulating effect and the dew prevention effect can be improved.

Further, as shown in FIGS. 1 and 3 to 5, the mountain-shaped skylight 2 constitutes a long body having a mountain-shaped cross section having inclined surfaces 2A and 2B in the left and right downward directions. Transparent or semi-transparent body part lighting panel 8, transparent or semi-transparent vertical plane-shaped end plate lighting panel 9 forming a end plate part that closes the triangular openings at both ends of the body part, trunk part lighting panel 8 and end plate Window standing frames 16a and 16b for supporting the partial lighting panel 9 respectively
It consists of and. Daylighting panels 8 and 9 of the Yamagata skylight 2 of this embodiment
Consists of meshed glass (see FIGS. 4 and 5). The reason why the meshed glass is used in this way is that even if resin plates are used as the lighting panels 6 and 7 of the arch-shaped skylight 1 as described above, if a fire occurs in the room, the fragments of the skylight that are cracked by heat will be used. This is because it can be prevented from falling indoors and can be installed in a fire-designated area of the Building Standards Act. (The Building Standards Law requires the use of wire-reinforced glass in skylights in designated fire prevention areas).

The mountain-shaped skylight 2 is provided to allow condensed water generated on the inner surface of the room to flow down to the lower end along the left and right slope surfaces 2A and 2B. It has been confirmed by experiments by the present inventor that all the dew condensation water flows down along the sloped surface when the slope is an angle of 45 ° or more. Therefore, it is desirable that the gradient is formed at 45 ° or more.
In this embodiment, it is formed at 45 °.

Between the arch-shaped skylight 1 and the mountain-shaped skylight 2,
An air layer 10 is formed so as to have a heat insulating effect.

The lower ends of the body lighting panels 6 and 8 of the arch-shaped skylight 1 and the mountain-shaped skylight 2 are, as shown in detail in FIG.
It is arranged toward the drain water channel 11a that discharges the condensed water generated in the skylight to the outside of the skylight. The drain water channel 11a is
The arch-shaped skylight 1 and the mountain-shaped skylight 2 are formed integrally with a holding frame 12 that holds the building in the building. That is, the holding frame 1
Reference numeral 2 denotes first and second window supporting portions 12a, 1 which respectively support the lower end portion of the arch-shaped skylight 1 and the lower end portion of the mountain-shaped skylight 2.
2b, a fixed portion 12c integrally provided on the first and second window support portions 12a and 12b and fixed to the building, and a drain water channel formed on the upper surfaces of the window support portions 12a and 12b and the fixed portion 12c. 11a and drain holes 13a, 13b, 13c
And a drainage guide 12d. Here, the most downstream drain hole 13c is formed to connect the drain water channel 11a and the outside of the skylight. In addition, the drainage guide 12d
Is formed integrally with the fixed portion 12c, and the drain hole 13c
It is formed so as to guide the condensed water flowing out from the rooftop. In this way, the holding frame 12 that supports the inner and outer double skylights 1 and 2 is formed so as to also serve as the drain water channel 11a for discharging condensed water.

Similarly, the arch-shaped skylight 1 and the mountain-shaped skylight 2
As shown in FIG. 5, the lower ends of the end plates 7 and 9 of the end plates of the end plate also have a drain water channel 11b integrally formed with the holding frame 14.
It is provided for. The holding frame 14 includes first and second window support portions 14a and 14b that support the lower end portion of the arch-shaped skylight 1 and the lower end portion of the mountain-shaped skylight 2, respectively, and the first and second window support portions 14a and 14a. A fixed portion 14c integrally provided on the fixed portion 14b and fixed to the building, a drain water channel 11b formed on the upper surface of the fixed portion 14c, and drain holes 15a, 15
b and a drainage guide portion 14d. Here, the most downstream drain hole 15b is formed to connect the drain water channel 11b to the outside of the skylight.

In FIGS. 4 and 5, reference numeral 17 is packing, 18 is caulking material, 19 is waterproof mortar, 20 is an anchor frame, 21 is an installation table provided on the roof, and 22 is a bolt.

According to the arch-shaped skylight device thus constructed, the condensation water can be prevented from falling inside the room as follows.

External arch-shaped skylight 1 and internal mountain-shaped skylight 2
Since it is insulated by the air layer 10 formed between the mountain-shaped skylight 2 and the inner surface of the mountain-shaped skylight 2, there is still a difference in temperature between the outer surface and the inner surface of the mountain-shaped skylight 2, so that the mountain-shaped skylight 2 Condensation also occurs on the inner surface of the room, though the quantity is small. However, all the dew condensation water generated on the inner surface of the Yamagata skylight 2 flows down along the left and right slope surfaces 2A and 2B of the Yamagata skylight 2 as shown by the arrow L in FIG. It is discharged onto the roof 3 as indicated by the arrow O.

Condensation also occurs on the inner surface of the arch-shaped skylight 1, but the condensed water near the apex falls on the outer surface of the mountain-shaped skylight 2 as shown by the arrow M, and then flows down along the slope. The dew condensation water generated at other places is discharged after flowing down along the inner surface of the arch-shaped skylight 1 as indicated by an arrow N.

That is, the condensed water generated on the inner surfaces of the arch-shaped skylight 1 and the mountain-shaped skylight 2 flows through the drain water channels 11a and 11b on the upper surfaces of the holding frames 12 and 14, and the drain holes 13a and 13a.
After passing through the drain holes 13c and 15b through 13b and 15a, it flows down toward the roof along the guide portions 13d and 14d.

Further, since the netted glass is used as the daylighting panels 8 and 9 which form the Yamagata skylight 2, even if a fire occurs in the room, the fragments of the daylighting panels 8 and 9 of the Yamagata skylight will fall into the room. Can be prevented.

The present invention is not limited to the above-mentioned embodiments, but various modifications can be implemented. For example, in the above-described embodiment, the arch-shaped skylight 1 is made of the resin plate and the chevron-shaped skylight 2 is made of the glass with mesh. However, the invention is not limited to this, and both the arch-shaped skylight and the chevron-shaped skylight are made of the resin plate. Alternatively, both the arch-shaped skylight and the mountain-shaped skylight may be made of glass. Further, the glass may be glass other than meshed glass.

[0036]

As described above, the arch-shaped skylight device of the present invention is provided with the mountain-shaped skylight having the mountain-shaped cross section in which the left and right downward slopes are formed inside the arch-shaped skylight. Since the left and right lower ends are arranged toward the drain waterway, all the condensation water generated on the inner surface of the Yamagata skylight flows down along the sloped surface of the Yamagata skylight, and is discharged to the roof or roof surface by the drain waterway. It Therefore, it is possible to completely prevent the condensed water from dropping into the room. The external arch-shaped skylight and the mountain-shaped skylight inside it have a double structure, and an air layer is formed between them, so the heat insulation performance is dramatically improved compared to the case of only a single arch-shaped skylight. And as a result,
Condensation is less likely to occur, and at the same time, indoor heating / cooling efficiency is improved and energy saving can be realized. In this way, the condensed water can be prevented from falling into the room, and since the arch-shaped skylight is arranged outside, the good appearance unique to the arch-shaped structure is not impaired.

When both the arch-shaped skylight and the mountain-shaped skylight are formed by bending a resin plate at room temperature, the thermal conductivity is smaller than that of glass because it is made of resin, and the heat insulating property and dewproof property are improved. it can. Further, since it is a resin plate, the cost can be reduced as compared with bending glass.

Similarly, when the arch-shaped skylight is made by bending a resin plate at room temperature and the mountain-shaped skylight is made of glass,
Since the arch-shaped skylight is made of resin, its thermal conductivity is smaller than that of glass, and heat insulation and dewproofness can be improved. Further, since the arch-shaped skylight is a resin plate, the cost can be reduced as compared with the bending glass.

Further, when both the arch-shaped skylight and the mountain-shaped skylight are made of glass, the hardness of the skylight is high and it is not easily scratched, and the appearance is good due to the surface brightness.

Further, when the glass forming the arch-shaped skylight or the mountain-shaped skylight is mesh glass, the glass broken by heat when a fire occurs does not fall into the room. Therefore, it can be installed even in designated fire prevention areas as defined by the Building Standards Act.

Further, the drain channel connecting the inside and the outside of the skylight is integrally formed with the holding frame for holding the arch-shaped skylight and the mountain-shaped skylight in the building, and the holding frame has the lower end portion of the arch-shaped skylight and the mountain-shaped skylight. First to support the lower end respectively
A second window support part, a fixing part integrally provided to the first and second window support parts and fixed to a building, and a drain water channel for receiving condensed water formed on the window support part and the upper surface of the fixing part. And a drain hole formed by communicating the drain water channel with the outside of the skylight, the holding frame that supports the inner and outer double skylights also serves as the drain water channel for discharging condensed water. Compared with the case where a separate drain water channel is attached, the number of parts is reduced and the construction is facilitated, and the construction cost can be reduced.

[Brief description of drawings]

FIG. 1 is a schematic vertical sectional view of an embodiment of an arch-shaped skylight device of the present invention.

FIG. 2 is a perspective view showing an overall appearance of the arch-shaped skylight device of FIG.

3 is a perspective view of a mountain-shaped skylight in the arch-shaped skylight device of FIG. 1. FIG.

FIG. 4 is an enlarged vertical sectional view showing a lower end portion of a body portion of the arch-shaped skylight device of FIG.

5 is an enlarged vertical sectional view showing a lower end portion of the end plate portion of the arch-shaped skylight device of FIG.

FIG. 6 is a schematic vertical sectional view showing an example of a conventional arch-shaped skylight device.

FIG. 7 is a schematic vertical sectional view showing another example of a conventional arch-shaped skylight device.

FIG. 8 is a schematic vertical sectional view showing still another example of the conventional arch-shaped skylight device.

[Explanation of symbols]

 1 Arch-shaped skylight 2 Yamagata skylight 2A, 2B Gradient surface of Yamagata skylight 3 Rooftop of building 4 Lighting interval of building 10 Air layer 11a Drain water channel 11b Drain water channel 12 Holding frame 12a Window support 12b Window support 12c Fixed part 13a Drain Hole 13b Drain hole 13c Drain hole 14 Holding frame 14a Window support part 14b Window support part 14c Fixed part 15a Drain hole 15b Drain hole

Claims (6)

[Claims] 1. An arch-shaped skylight device in which an arch-shaped skylight made of a transparent or translucent material and having an arch-shaped cross section is installed so as to surround a lighting interval formed on a rooftop, a roof surface or a passage of a building. 3. The arch-shaped skylight device according to claim 1, wherein a mountain-shaped skylight made of a transparent or translucent material having a mountain-shaped cross-section and having a sloped surface in the left-right downward direction is provided inside the arch-shaped skylight. 2. The arch-shaped skylight device according to claim 1, wherein both the arch-shaped skylight and the mountain-shaped skylight are formed by bending a resin plate at room temperature. 3. The arch-shaped skylight device according to claim 1, wherein the arch-shaped skylight is formed by bending a resin plate at room temperature, and the mountain-shaped skylight is made of glass. 4. The arch-shaped skylight device according to claim 1, wherein both the arch-shaped skylight and the mountain-shaped skylight are made of glass. 5. The arch-shaped skylight device according to claim 3, wherein the glass forming the arch-shaped skylight or the mountain-shaped skylight is a mesh-containing glass. 6. A drain water channel communicating between the inside and the outside of the skylight is integrally formed with a holding frame for holding the arch-shaped skylight and the mountain-shaped skylight in a building, and the holding frame has a lower end portion of the arch-shaped skylight and First and second window support parts respectively supporting lower ends of the Yamagata skylights, fixing parts integrally provided to the first and second window support parts and fixed to a building, and the window support parts and fixation The arch-shaped skylight device according to any one of claims 1 to 5, further comprising: a drain water channel formed on an upper surface of the portion; and a drain hole formed by communicating the drain water channel with the outside of the skylight. .