Building

Abstract

To provide a building provided with a roof that satisfies slope restrictions while ensuring indoor comfort and has a sufficient area for installing solar power generation panels.SOLUTION: Provided is a multi-story building 1 including a top floor (e.g., the third floor) and the floor immediately below (e.g., the second floor), and provided with a sloped roof (first roof 3a) on which solar power generation panels are installed. The floor immediately below includes a high-ceilinged room 25 provided with a first wall 25a facing the lower end side of the slope direction of the sloped roof (south) and a pair of second walls 25b perpendicular to the first wall 25a. The high-ceilinged room 25 includes a staircase (second staircase) connecting the floor immediately below with the top floor. The top floor includes a hall 31 leading to the staircase and a top floor room 34 facing the upper portion of the high-ceilinged room 25, across the hall 31. Directly below the sloped roof, the high-ceilinged room 25, the hall 31, and the top floor room 34 are arranged in this order from the lower end side (south side) of the sloped roof.SELECTED DRAWING: Figure 3

Description

[Technical field]

[0001] The present invention relates to buildings such as urban housing. [Background technology]

[0002] In recent years, the Net Zero Energy House (ZEH) has been promoted. Therefore, there is an increasing demand for installing solar panels on houses. For example, in the case of urban houses built on small plots in urban areas, the roof area is small, so the problem is how to increase the installation area for solar panels. Patent Document 1 discloses a building in which the eaves of a pitched roof are extended to increase the area for installing solar panels, and solar panels are installed thereon, with rectangular corner braces at the end of the extended eaves used to safely support the building's own weight and the load of snow and wind pressure. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Utility Model Registration No. 3161500 Summary of the Invention [Problem to be solved by the invention]

[0004] In Patent Document 1, although the installation area of ​​the solar panels can be increased, it is necessary to provide a rectangular support at the tip of the eaves, which results in an irregular exterior shape of the building. If the exterior shape is irregular, the internal structure will also be irregular, which may reduce indoor comfort. In addition, buildings are particularly susceptible to slope restrictions such as road slope restrictions when erecting them on narrow land.

[0005] The present invention has been made in consideration of the above-mentioned circumstances, and aims to provide a building equipped with a roof that complies with slope restrictions while ensuring indoor comfort and has a sufficient area for installing solar panels. [Means for solving the problem]

[0006] The invention described in claim 1 is, for example, as shown in Figs. 1 to 7, a multi-story building 1 having a top floor (e.g., the third floor) and a floor immediately below it (e.g., the second floor), and having a sloped roof (first roof 3a) on which photovoltaic panels are installed, The immediately lower floor is provided with a high-ceiling room 25 having a first wall 25a facing the lower end side of the slope direction of the sloped roof and a pair of second walls 25b perpendicular to the first wall 25a. The high-ceiling room 25 is provided with a staircase (second staircase 26) connecting the floor directly below and the top floor, On the top floor, a hall 31 leading to the staircase; A top floor room 34 is provided facing the upper part of the high ceiling room 25 across the hall 31. Directly below the sloped roof are arranged, in order from the lower end side in the slope direction of the sloped roof, the high-ceiling room 25, the hall 31, and the top floor room 34.

[0007] According to the invention described in claim 1, the sloped roof (first roof 3a) is a continuous down-tilt roof with the roof of the floor immediately below and the roof of the top floor on the same plane. Therefore, it is possible to comply with the slope restriction and to have a sufficient area for installing solar panels. The upper part of the high ceiling room 25 is an open atrium that reaches up to the sloped roof (first roof 3a), and the lower part of the high ceiling room 25 is adjacent to the top floor via this open atrium. The lower part of the high ceiling room 25 is adjacent to the hall 31, not the top floor room 34, via this open atrium. Therefore, the hall 31 acts as a buffer space, protecting the privacy of both the high ceiling room 25 and the top floor room 34, ensuring indoor comfort.

[0008] The invention described in claim 2 is, for example, as shown in Figs. 1 and 7, in the building 1 described in claim 1, The building 1 is a three-story building. A top floor balcony (third floor balcony 37) adjacent to the hall 31; It is characterized by having an opening (third floor south opening 30d) that connects the top floor balcony and the hall 31.

[0009] According to the invention described in claim 2, the opening (third floor south opening 30d) connecting the top floor balcony (third floor balcony 37) and the hall 31 makes it possible to ensure lighting and ventilation to the hall 31, thereby improving indoor comfort. Furthermore, if building 1 is a three or more story building, the opening (third floor south opening 30d) connecting the top floor balcony (third floor balcony 37) to hall 31 can be used as an alternative entrance.

[0010] The invention described in claim 3 is, for example, as shown in Figs. 1 to 4, 6, and 7, in the building 1 described in claim 1, A first opening 30a communicating the top floor room 34 and the hall 31; A second opening 30b communicating the outside with the top floor room 34; A handrail 36 that allows lighting and ventilation, provided between the hall 31 and the upper part of the high-ceiling room 25; The high-ceiling room 25 is characterized by having openings 20e, 20f, and 20g provided in the first wall 25a and the second wall 25b of the high-ceiling room 25, which connect the high-ceiling room 25 to the outdoors.

[0011] According to the invention recited in claim 3, natural light can be taken in from a plurality of directions into high-ceilinged room 25, ensuring indoor comfort. In addition, since it is possible to ventilate the high ceiling room 25 in a direction substantially perpendicular to the first wall 25a, indoor comfort can be ensured.

[0012] The invention described in claim 4 is, for example, as shown in Figs. 4 and 7, in the building 1 described in claim 3, The first opening 30a, the second opening 30b, and the handrail 36 are characterized in that they are arranged so as to overlap when viewed from a direction perpendicular to the first wall 25a.

[0013] According to the invention recited in claim 4, since light (natural light) from the second opening 30b can be efficiently taken into the high-ceiling room 25, indoor comfort can be improved. In addition, air can efficiently pass between the second opening 30b and an opening (for example, the south-side lower opening 20e) that communicates between the outdoors and the high-ceiling room 25, thereby improving indoor comfort.

[0014] The invention described in claim 5 is, for example, as shown in Figs. 1 to 4, 6, and 7, in the building 1 described in claim 1, The high-ceilinged room 25 is adjacent to a balcony on the floor directly below (second floor balcony 24). The directly below floor balcony has a generally L-shaped shape in plan view, including a portion adjacent to the high ceiling room 25 across the first wall 25a and a portion adjacent to the high ceiling room 25 across one of the pair of second walls 25b, The second wall 25b is characterized in that a window (west-side lower opening 20g) having a lower end at a height position lower than the lower end of the clerestory window can be provided.

[0015] According to the invention described in claim 5, one of the second walls 25b is set back toward the other second wall 25b by the amount of the balcony on the floor directly below (the second floor balcony 24). Therefore, even if a window having a lower end at a lower height position than the lower end of the clerestory window is provided in one of the second walls 25b for the purpose of lighting, etc., privacy from the neighboring house on the side of the one of the second walls 25b can be protected, and indoor comfort can be improved.

[0016] The invention described in claim 6 is, for example, as shown in Figs. 2, 3, and 6, in the building 1 described in claim 1, A low-ceiling room 21 having a lower ceiling height than the high-ceiling room 25 is provided adjacent to the high-ceiling room 25 on the floor directly below. A feature of this invention is that there is no partition between the high ceiling room 25 and the low ceiling room 21.

[0017] According to the invention described in claim 6, the high-ceiling room 25 and the low-ceiling room 21 on the floor directly below are a continuous room (living room) that is not partitioned. Therefore, it is possible to provide an open space on the floor directly below, so that indoor comfort can be ensured even if the building 1 is an urban residence built on a narrow lot, etc.

[0018] The invention described in claim 7 is, for example, as shown in FIG. 7, in the building 1 described in claim 1, The building 1 is a building with three or more floors, A feature of this invention is that the staircase (second staircase 26) connecting the floor immediately below and the top floor can be located at a position that is not above other staircases (first staircase 15a) installed within the building 1.

[0019] According to the invention described in claim 7, there is no restriction on the location of the staircase (second staircase 26) connecting the floor directly below and the top floor, so it is possible to install the staircase (second staircase 26) in a location that ensures indoor comfort. Effect of the Invention

[0020] According to the present invention, it is possible to provide a building equipped with a roof that complies with slope restrictions while ensuring indoor comfort and has a sufficient area for installing solar panels. [Brief description of the drawings]

[0021] [Figure 1] FIG. [Diagram 2] This is a diagram showing the building, a vertical cross-section seen from the east side. [Diagram 3] This is a diagram showing the building, a vertical cross-section seen from the west side. [Figure 4] This is a diagram showing the building, a vertical cross-section seen from the south side. [Diagram 5] This is a plan view showing the first floor of the building. [Figure 6] This is a plan view showing the second floor of the building. [Figure 7] This is a plan view showing the third floor of the building. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0022] Hereinafter, an embodiment of the present invention will be described with reference to the drawings. However, the embodiment described below is subject to various limitations that are technically preferable for implementing the present invention, but the technical scope of the present invention is not limited to the following embodiment and illustrated examples. Note that the directions (east-west direction, north-south direction) in the following embodiment and illustrated examples are set solely for the convenience of explanation.

[0023] FIG. 1 is a perspective view showing an example of a building 1 in this embodiment. FIG. 2 is a diagram showing an example of the building 1 in this embodiment, and is a vertical cross-sectional view seen from the east side. FIG. 3 is a diagram showing an example of the building 1 in this embodiment, and is a vertical cross-sectional view seen from the west side. FIG. 4 is a diagram showing an example of the building 1 in this embodiment, and is a vertical cross-sectional view seen from the south side. FIG. 5 is a plan view showing an example of the first floor of the building 1 in this embodiment. FIG. 6 is a plan view showing an example of the second floor of the building 1 in this embodiment. FIG. 7 is a plan view showing an example of the third floor of the building 1 in this embodiment.

[0024] The building 1 in this embodiment is a three-story residence, and above a building main body 2, a roof 3 with a ridge is provided. The building 1 is constructed using a wood-based panel construction method in which building components such as walls, floors, and roofs are panelized in advance at a factory, and these panels (wall panels, floor panels, roof panels, etc.) are assembled at the construction site. However, the method is not limited to this, and the building may be constructed using conventional frame construction, wall construction, two-by-four construction, etc. The panel is a wooden architectural panel that is made up of a rectangular frame made up of vertical and horizontal frame members assembled into a rectangle, a frame body made up of auxiliary crosspieces assembled vertically and horizontally inside this rectangular frame, and a facing material attached to either or both sides of this frame body, resulting in a hollow structure. The internal hollow portion (the back side of the facing material) is usually filled with insulation material such as glass wool or rock wool.

[0025] In this embodiment, the southern end of building 1 on the site is adjacent to a road, and the northern, eastern, and western ends of the site are adjacent to neighboring land (for example, a building such as a house is built on the neighboring land), but this is not limited to this. In addition, in this embodiment, the front of the building 1 faces south, but this is not limited to this. In addition, although the building 1 in this embodiment is three stories tall, this is not limited to this and may be two stories, 2.5 stories, 3.5 stories, or four or more stories.

[0026] As shown in Figures 2, 3, and 5 to 7, the main building body 2 is divided into a central area 2a, a north area 2b located to the north of the central area 2a, and a south area 2c located to the south of the central area 2a. The ridge of the roof 3 is located near the boundary between the central area 2a and the northern area 2b of the building main body 2, and is provided along the east-west direction. As shown in Figures 2 and 3, the roof 3 with such a ridge comprises a first roof 3a provided above the central area 2a and the southern area 2c of the building main body 2, and a second roof 3b provided above the northern area 2b of the building main body 2.

[0027] The first roof 3a and the second roof 3b are set to have the same angle. In other words, the roof 3 is a roof with the same slope. The roof 3 may be a roof with a different slope. In other words, the first roof 3a and the second roof 3b may be set to have different angles. The first roof 3a slopes downward from the north side (the ridge of the roof 3) to the south side. As described above, the building 1 of this embodiment has a southern end on the site adjacent to the road, so the slope (angle) of the first roof 3a complies with the road diagonal line restriction. In addition, a solar power generation panel (not shown) is installed on the first roof 3a.

[0028] The second roof 3b slopes downward from the south side (the ridge of the roof 3) to the north side. As described above, the north end of the building 1 in this embodiment is adjacent to the neighboring land, so the slope (angle) of the second roof 3b complies with the north side slope restriction and the neighboring land slope restriction. Furthermore, in areas with many narrow lots, such as Tokyo and Yokohama City, Kanagawa Prefecture, there are regulations regarding the height of buildings called "height districts," and building 1 in this embodiment is constructed to satisfy these regulations. In this embodiment, the roof 3 is an identically sloped roof with a first roof 3a and a second roof 3b whose roof surfaces have the same inclination angle but different orientations, but is not limited to this. In other words, the roof 3 only needs to have at least a first roof 3a that slopes downward from the north side to the south side, and may be a sloped roof with multiple roof surfaces such as a gable roof, hip roof, or beckoning roof, or may be a single-shed roof.

[0029] 2 and 3, the first roof 3a in this embodiment is inclined from the highest ridge to near the floor level of the third floor (specifically, the floor level of the top floor room 34 described later), but is not limited to this. The first roof 3a may be inclined to a level lower than the ceiling level of the third floor (top floor), and may be inclined, for example, from the ridge to the ceiling level of the second floor (the floor directly below) (specifically, the ceiling level of the low-ceiling room 21 described later).

[0030] As shown in FIGS. 1 to 5, a plurality of rooms are provided on the first floor of a building 1. On the eastern portion of the first floor of building 1, a built-in carport 11 located on the south side and a first floor room 12 located on the north side are provided side by side. The built-in carport 11 can be accessed from the road adjacent to the site of building 1 (the south road). The first floor room 12 is, for example, a training room.

[0031] In the western part of the first floor of building 1, there are arranged side by side an entrance room 13 located on the south side, a bathroom room 14 located on the north side, and a staircase room 15 located between the entrance room 13 and the bathroom room 14. The water-related room 14 includes a bathroom 14a, a washroom 14b, a storage room 14c, etc. The entrance room 13 has an entrance floor area 13a, an entrance hall area 13b, a shoe closet 13c, a closet 13d, etc. An entrance porch 16 located in an outdoor space is provided on the south side of the entrance floor area 13a.

[0032] Entering the entrance room 13 from the entrance porch 16 is an entrance floor area 13a, and one step up is an entrance hall area 13b. A shoe closet 13c is located between the entrance floor area 13a and the built-in carport 11, and a closet 13d is located between the entrance hall area 13b and the built-in carport 11.

[0033] Thus, in this embodiment, the shoe closet 13c and the closet 13d are adjacent to the built-in carport 11. Therefore, at least one of the shoe closet 13c and the closet 13d may be used as a space for installing a charging facility for charging an electric vehicle (including a plug-in hybrid vehicle, etc.), specifically, for example, a one-way charging facility that supplies power to an electric vehicle from a solar power generation panel, etc., installed on the first roof 3a, or a two-way charging facility (such as a V2H (Vehicle to Home) stand) that also enables power to be supplied from an electric vehicle to the building 1. In addition, a storage space (storage room) may be provided above the built-in carport 11, i.e., between the built-in carport 11 and the second floor.

[0034] The staircase 15 is located between the entrance hall 13b of the entrance room 13 and the bathroom 14a of the water room 14, and is provided vertically from the first floor to the second floor of the building 1. That is, the staircase 15 is provided with a first staircase 15a that is a staircase connecting the first floor and the second floor of the building 1. The first staircase 15a in this embodiment is a return staircase connecting the first floor and the second floor, but is not limited to this. Below the first staircase 15a, there is provided an under-staircase storage space 17. The under-staircase storage space 17 is provided opposite the storage cabinet 14c of the wet room 14, and can be used from the wet room 14. In this embodiment, the under-staircase storage space 17 is a place to place a washing machine, but is not limited to this.

[0035] As shown in FIGS. 1 to 4 and 6, a plurality of rooms are provided on the second floor of the building 1. At the top of the first staircase 15a connecting the first floor and the second floor, there is a low-ceiling room 21. In this embodiment, the low-ceiling room 21 is a dining kitchen, but is not limited to this.

[0036] A toilet 22a and a washroom 22b are provided on the north side of the stairwell 15 on the second floor of the building 1, i.e., above the bathroom 14a on the first floor of the building 1. Also, a second-floor room 23 having a storage space 23a is provided on the south side of the staircase 15 on the second floor of the building 1, that is, above the entrance hall 13b (and part of the entrance earthen floor 13a) on the first floor of the building 1. The second-floor room 23 in this embodiment is a study room for children, but is not limited to this.

[0037] A second floor balcony 24 is provided on the south side of the second floor room 23 on the second floor of the building 1, i.e., above (most of) the entrance dirt floor area 13a and the entrance porch 16 on the first floor of the building 1. Of the walls constituting the second floor room 23, a wall (exterior wall) 23b provided between the second floor balcony 24 is provided with a second floor south opening 20a, which is an opening that allows communication between the second floor room 23 and the second floor balcony 24. An opening and closing means (e.g., a hinged door) is provided in this second floor south opening 20a.

[0038] A high-ceiling room 25 is provided on the south side of the low-ceiling room 21 on the second floor of the building 1, i.e., on the east side of the second-floor room 23 on the second floor of the building 1. The high-ceiling room 25 in this embodiment is a living room, but is not limited to this. A second-floor balcony 24 is provided on the south side of a high-ceilinged room 25 on the second floor of the building 1. That is, the second-floor balcony 24 is provided across the south side of the second-floor room 23 and the south side of the high-ceilinged room 25. The second floor balcony 24 is provided to protrude from the south face (south-facing exterior wall) of the building main body 2. In other words, the second floor balcony 24 also functions as an entrance canopy (above the entrance porch 16) and a canopy for the built-in carport 11.

[0039] The high-ceiling room 25 is a room with a higher ceiling than the low-ceiling room 21. For example, the ceiling height of the low-ceiling room 21 is set to a normal ceiling height (for example, 2.1 m to 2.5 m), and the ceiling height of the high-ceiling room 25 is set to be higher than the normal ceiling height. Among the rooms on the second floor of the building 1, the ceiling height of the rooms other than the high-ceiling room 25 is set to the normal ceiling height. That is, not only the ceiling height of the low-ceiling room 21, but also the ceiling height of the toilet 22a, the washroom 22b, and the second floor room 23 is set to the normal ceiling height.

[0040] The high-ceiling room 25 is composed of a first wall 25a parallel to the east-west direction and a pair of second walls 25b parallel to the north-south direction. The first wall 25a and the eastern second wall 25b of the pair of second walls 25b (east-west second walls 25b) are exterior walls. The western second wall 25b of the pair of second walls 25b (east-west second walls 25b) has a southern portion which is an exterior wall and a northern portion which is an interior wall, and the northern portion is located between the second floor room 23.

[0041] There is no partition (partition wall, etc.) between the low-ceiling room 21 and the high-ceiling room 25. In other words, the low-ceiling room 21 and the high-ceiling room 25 are provided as one room (living room) with different ceiling heights. In this embodiment, the low-ceiling room 21 is a dining kitchen, and the high-ceiling room 25 is a living room, so the functions of a living room, dining room, and kitchen coexist in one room.

[0042] Also, there is no partition (opening / closing means, etc.) between the low-ceiling room 21 and the second-floor room 23. This makes it possible to sense the presence of a child studying in the second-floor room 23, for example, while in the low-ceiling room 21 (kitchen or dining room). Also, no partition (opening / closing means, etc.) is provided between the high ceiling room 25 and the second floor room 23. Specifically, of the walls 25a, 25b constituting the high ceiling room 25, the wall (second wall 25b on the west side) between the high ceiling room 25 and the second floor room 23 has an indoor opening 20b that is an opening that allows communication between the high ceiling room 25 and the second floor room 23. No opening / closing means (indoor doors such as swing doors or sliding doors) is provided in this indoor opening 20b. This allows, for example, a person in the high ceiling room 25 (living room) to sense the presence of a child studying in the second floor room 23.

[0043] Therefore, in this embodiment, there are only two indoor opening / closing means (such as an interior door that opens and closes between rooms) installed on the second floor of the building 1. Specifically, there are only two: a hinged door installed at the washroom opening 20c, which is an opening that allows communication between the low-ceilinged living room 21 and the washroom 22b, and a sliding door installed at the toilet opening 20d, which is an opening that allows communication between the toilet 22a and the washroom 22b. Of course, the indoor opening / closing means installed on the second floor of the building 1 is not limited to this.

[0044] As described above, the second floor balcony 24 is provided across the south side of the second floor room 23 and the south side of the high ceiling room 25. In this embodiment, the second floor balcony 24 is an L-shaped balcony that is roughly L-shaped in plan view and is configured with a portion that is long in the north-south direction located on the south side of the second floor room 23 and a portion that is long in the east-west direction located on the south side of the high ceiling room 25. Therefore, the exterior wall (wall 23b) between the second floor room 23 and the second floor balcony 24 is set back to the north. In addition, the exterior wall (the southern portion of the western second wall 25b) between the high-ceiling room 25 and the portion of the second floor balcony 24 that is long in the north-south direction and located on the south side of the second floor room 23 is set back to the east.

[0045] Specifically, of the exterior walls constituting the second floor of building 1, the exterior wall facing south (the direction of the lower end of first roof 3a in the gradient direction) is divided by second wall 25b on the west side into an exterior wall (first wall 25a) provided between high-ceiling room 25 and second-floor balcony 24, and an exterior wall (wall 23b) provided between second-floor room 23 and second-floor balcony 24. The exterior wall (wall 23b) provided between second-floor room 23 and second-floor balcony 24 is located north of the exterior wall (first wall 25a) provided between high-ceiling room 25 and second-floor balcony 24.

[0046] Among the exterior walls constituting the second floor of the building 1, the exterior wall facing west is divided by wall 23b provided between the second floor room 23 and the second floor balcony 24 into an exterior wall (south part of the second wall 25b on the west side) provided between the high-ceilinged room 25 and the second floor balcony 24 and an exterior wall (wall 23c) provided between the second floor room 23 (specifically, the second floor room 23, the staircase room 15, the washroom 22b, and the toilet 22a) and the outdoors. The exterior wall (south part of the second wall 25b on the west side) provided between the high-ceilinged room 25 and the second floor balcony 24 is located to the east of the exterior wall (wall 23c) provided between the second floor room 23 and the outdoors.

[0047] 2 and 3, the high ceiling room (living room) 25 is set at a height from the floor (floor level of the second floor) to the first roof 3a. In other words, the upper part of the high ceiling room 25 is an open atrium that reaches up to the first roof 3a. The ceiling of high ceiling room 25 is located higher than the ceiling of low ceiling room 21. The ceiling of high ceiling room 25 is sloped to match the angle of first roof 3a. In other words, the shape of the upper part (open ceiling part) of high ceiling room 25 is a right triangle with a hypotenuse side approximately parallel to first roof 3a when viewed from the east-west direction.

[0048] The high-ceiling room 25 is provided with a second staircase 26 that connects the second floor and the third floor of the building 1. In this embodiment, the second staircase 26 is a straight staircase that ascends from the south side to the north side, and is installed close to the second wall 25b on the west side of the walls 25a, 25b that constitute the high-ceiling room 25, but is not limited to this. That is, the second staircase 26 in this embodiment is a living room staircase (living-in staircase) and is located above and away from the first staircase 15a (the staircase connecting the first floor and the second floor) installed in the staircase room 15.

[0049] As shown in FIGS. 1 to 4 and 7, a plurality of rooms are provided on the third floor of the building 1. A hall 31 (or a corridor) is provided at the top of the second staircase 26 connecting the second floor and the third floor. The hall 31 is provided along the east-west direction so as to separate the north side and the south side of the third floor of the building 1. A toilet 32 ​​is provided on the east side of the hall 31. A storage room 33 is provided on the west side of the hall 31.

[0050] A room is provided on the north side of the hall 31 on the third floor of the building 1, i.e., in the north portion of the third floor of the building 1. Specifically, in the north portion of the third floor of the building 1, a top floor room 34 located on the east side and a Western-style room 35 located on the west side are provided side by side. In this embodiment, the top floor room 34 is a master bedroom, but is not limited to this. On the other hand, there are no rooms on the south side of the hall 31 on the third floor of building 1, i.e., the southern portion of the third floor of building 1, and this southern portion forms the upper part (open space) of the high-ceilinged room 25 on the second floor.

[0051] That is, a hall 31 and rooms (top floor room 34 and Western-style room 35) are provided above low-ceiling room 21 on the second floor of building 1. That is, the underside of a structure (a structure formed by floor panels, etc.) constituting the floor of the third floor provided between the second and third floors serves as the ceiling surface of low-ceiling room 21. On the other hand, no rooms or the like are provided above the high-ceilinged room 25 on the second floor of the building 1. In other words, the underside of the structure (structure formed by roof panels, etc.) that constitutes the first roof 3a is used as the ceiling surface of the high-ceilinged room 25. Therefore, as shown in Figures 2 and 3, the portion of Building 1 north of approximately the center in the north-south direction is a three-story structure, and the portion south of approximately the center in the north-south direction is a two-story structure (two-story with an open space on the second floor).

[0052] A first opening 30a is provided in the south wall (inner wall) of the walls constituting the top floor room 34, which is an opening that allows communication between the hall 31 and the top floor room 34. An opening / closing means (e.g., a sliding door) is provided in this first opening 30a. Furthermore, a second opening 30b is provided in the north wall (exterior wall) of the walls constituting the top floor room 34, which is an opening that connects the outdoors with the top floor room 34. An opening / closing means (for example, a sliding window sash for a waist-high window) is installed in this second opening 30b. In addition, a handrail 36 is installed between the upper part (open ceiling part) of the high ceiling room 25 and the hall 31. The handrail 36 in this embodiment is a fence-like handrail. That is, the handrail 36 has a plurality of openings formed therein, and lighting and ventilation are possible through the plurality of openings.

[0053] Therefore, by opening the opening / closing means (window sash) installed at the second opening 30b of the top floor room 34 and opening the opening / closing means (interior door) installed at the first opening 30a of the top floor room 34, air can be passed between the second opening 30b and the high-ceiling room 25 through the first opening 30a and the handrail 36, and light (natural light) from the second opening 30b can be taken into the high-ceiling room 25. In addition, if the opening / closing means installed in the second opening 30b of the top floor room 34 is, for example, a window sash with transparent window glass, even if the opening / closing means is in a closed state, by opening the opening / closing means (interior door) installed in the first opening 30a of the top floor room 34, light (natural light) from the second opening 30b can be brought into the high ceiling room 25 through the first opening 30a and the handrail 36.

[0054] Furthermore, the first opening 30a and the second opening 30b provided in the top floor room 34 are at least partially opposed to each other. That is, the first opening 30a and the second opening 30b at least partially overlap each other when viewed from the north-south direction. In addition, the first opening 30a provided in the top floor room 34 and the handrail 36 provided in the hall 31 at least partially face each other. That is, the first opening 30a and the handrail 36 at least partially overlap when viewed from the north-south direction. In addition, the second opening 30b provided in the top floor room 34 and the handrail 36 provided in the hall 31 at least partially face each other. That is, the second opening 30b and the handrail 36 at least partially overlap when viewed from the north-south direction. This allows air to flow efficiently between the second opening 30b and the high ceiling room 25, and also allows light (natural light) from the second opening 30b to be efficiently introduced into the high ceiling room 25.

[0055] In addition, the first wall 25a and a pair of second walls 25b, which are walls constituting the high ceiling room 25, reach the first roof 3a, and at least one of these three walls is provided with an opening (window). Specifically, the first wall 25a facing south is provided with a south side lower opening 20e (floor window), which is an opening that allows communication between the high ceiling room 25 and the second floor balcony 24, and a south side upper opening 20f (high window), which is an opening located above the south side lower opening 20e and connects the high ceiling room 25 to the outdoors.

[0056] In addition, the second wall 25b facing west (the second wall 25b on the west side) is provided with a west side lower opening 20g (waist-high window), which is an opening that connects between the high-ceiling room 25 and the outdoors (the second floor balcony 24).

[0057] In the south-side lower opening 20e (floor window) in this embodiment, a double-sliding window sash having, for example, transparent window glass is installed as an opening / closing means. Meanwhile, among the openings provided in the first wall 25a and the second wall 25b constituting the high ceiling room 25, the openings other than the south side lower opening 20e are provided with a blocking means. Specifically, in the south side upper opening 20f (high window) and the west side lower opening 20g (waist-high window) in this embodiment, a fixed window sash having, for example, transparent window glass is provided as the blocking means.

[0058] Therefore, not only light (natural light) from the north side, but also light (natural light) from the south side and west side can be taken into the high-ceilinged room 25. Furthermore, by opening and closing means (window sash) installed at the second opening 30b of the top floor room 34 and opening and closing means (interior door) installed at the first opening 30a of the top floor room 34, and also opening the opening and closing means (window sash) installed at the south side lower opening 20e of the high ceiling room 25, air can pass between the second opening 30b and the south side lower opening 20e through the first opening 30a, the handrail 36, and the high ceiling room 25.

[0059] Here, particularly in the case of buildings where neighboring houses are located close to each other, such as urban housing, if windows are installed at a position lower than a clerestory window, it may be possible for neighboring houses to see inside building 1 through the window (such as a waist-high window or a bay window). Therefore, if a waist-high window or a bay window is provided in the east-side second wall 25b, the neighboring house on the east side can look into the high-ceilinged room 25 through the window. For this reason, in this embodiment, the east-side second wall 25b is not provided with a window (such as a waist-high window or a bay window) that is located lower than a high window. On the other hand, the second wall 25b on the west side is set back to the east by the amount of the second floor balcony 24. In other words, since the second wall 25b on the west side is set back from the neighboring property on the west side, it is difficult for the neighboring house on the west side to look into the high-ceilinged room 25. For this reason, in this embodiment, the second wall 25b on the west side is provided with a window (here, a waist-high window (west side lower opening 20g)) that is provided at a lower position than the high window.

[0060] The southern wall (inner wall) of the Western-style room 35 is provided with a third floor north opening 30c, which is an opening that allows communication between the hall 31 and the Western-style room 35. An opening / closing means (e.g., a hinged door) is installed in the third floor north opening 30c.

[0061] A third-floor balcony 37 is provided on the south side of the hall 31 on the third floor of the building 1, above the second-floor room 23 on the second floor of the building 1. In other words, the upper part (open ceiling part) of the high-ceilinged room 25 is adjacent to the third-floor balcony 37, with the second wall 25b on the west side in between. Among the walls constituting the hall 31, the wall (exterior wall) between the hall 31 and the third floor balcony 37 is provided with a third floor south opening 30d, which is an opening that allows communication between the hall 31 and the third floor balcony 37. This third floor south opening 30d is provided with an opening / closing means (e.g., a hinged door). The third floor south opening 30d not only functions as a lighting means and a ventilation means, but also as an alternative entrance. As shown in Fig. 1, the first roof 3a has a rectangular cutout 3c. Below this cutout 3c, the third floor balcony 37 and the second floor balcony 24 (specifically, the portion of the second floor balcony 24 that is located on the south side of the second floor room 23) are located.

[0062] <Effects> According to the above embodiment, the following excellent effects are obtained. The building 1 of the embodiment is a multi-story building having a top floor (third floor) and the floor immediately below (second floor), and equipped with a sloped roof (first roof 3a) on which photovoltaic power generation panels are laid. On the floor immediately below, a high-ceilinged room (living room) 25 can be provided which includes a first wall 25a facing the direction (south) of the lower end side of the slope direction of the sloped roof (first roof 3a) and a pair of second walls 25b perpendicular to the first wall 25a. The high-ceilinged room 25 is provided with a staircase (second It is possible to provide a second staircase 26), and on the top floor it is possible to provide a hall 31 leading to the staircase (second staircase 26), and a top-floor room (master bedroom) 34 facing the upper part (open space) of the high-ceiling room 25, across the hall 31, and it is possible to arrange the high-ceiling room 25, hall 31, and top-floor room 34 directly below the sloped roof (first roof 3a) in that order from the lower end (south side) of the sloped roof (see Figures 2, 3, 6, 7, etc.).

[0063] In this manner, the sloped roof (first roof 3a) in the embodiment is a roof on which the high-ceilinged room 25 on the floor directly below, and the hall 31 and the top floor room 34 on the top floor are located directly below. In other words, the sloped roof (first roof 3a) is a down-thrown roof in which the roof on the floor directly below and the roof on the top floor are continuous on the same plane. Therefore, it is possible to comply with the slope restriction and to have a sufficient area for installing photovoltaic power generation panels. Also, directly below the sloped roof (first roof 3a) is a high-ceilinged room 25 located on the floor directly below. That is, the upper part of the high-ceilinged room 25 is an atrium that reaches the sloped roof (first roof 3a), and the lower part of the high-ceilinged room 25 is adjacent to the top floor through the atrium. Then, from the lower end side (south side) of the slope direction of the sloped roof (first roof 3a), the high-ceilinged room 25, the hall 31, and the top floor room 34 are arranged in this order. That is, the lower part of the high-ceilinged room 25 is adjacent to the hall 31, not the top floor room 34, through the atrium. Therefore, the hall 31 serves as a buffer space, and the privacy of each of the high-ceilinged room 25 and the top floor room 34 can be protected, so that indoor comfort can be ensured.

[0064] In the embodiment, the lower end side of the slope direction of the sloped roof (first roof 3a) is the "south side (due south side)", that is, the direction of the lower end side of the slope direction of the sloped roof (first roof 3a) is the "south (due south)", but this is not limited to this. Since the sloped roof (first roof 3a) is a roof on which photovoltaic power generation panels are installed, the direction of the lower end side of the slope direction is preferably a direction suitable for a roof on which photovoltaic power generation panels are installed, for example, a direction within the range from east through south to west, and more preferably a direction within the range from southeast through south to southwest. In the embodiment, the roof 3 of the building 1 is a uniformly sloped roof, but this is not limited to this. The roof 3 may be any roof that has at least a sloped roof (first roof 3a) on which photovoltaic panels are installed, and may be, for example, a single-sided roof that has only a sloped roof (first roof 3a). Furthermore, since roof 3 only needs to have at least a sloped roof (first roof 3a) on which solar power generation panels are installed, if roof 3 has multiple roof surfaces, solar power generation panels may be installed not only on first roof 3a but also on the other roofs (roof surfaces). Moreover, the high-ceiling room 25 is not limited to a living room. Furthermore, the top floor room 34 is not limited to the master bedroom. Since the slope (angle) of the first roof 3a corresponds to slope restrictions such as road slope restrictions, the slope of the first roof 3a is changed according to the first wall 25a (specifically, the height dimension of the first wall 25a, the distance of the first wall 25a from the ridge, etc.).

[0065] In addition, the building 1 of the embodiment can be equipped with a first opening 30a connecting the top floor room 34 and the hall 31, a second opening 30b connecting the outside with the top floor room 34, a handrail 36 that allows light and ventilation and is provided between the hall 31 and the upper part (open space) of the high ceiling room 25, and openings 20e, 20f, and 20g provided in the first wall 25a and the second wall 25b of the high ceiling room 25 and connecting the outside with the high ceiling room 25 (see Figures 2, 3, 6, 7, etc.).

[0066] With this configuration, light (natural light) from the second opening 30b can be introduced into the high ceiling room (living room) 25 through the first opening 30a and the handrail 36. Furthermore, light (natural light) can be introduced into the high ceiling room (living room) 25 through the openings 20e, 20f, and 20g that are provided in the walls (first wall 25a and second wall 25b) that constitute the high ceiling room 25 and communicate with the outdoors. Therefore, it is possible to introduce natural light into the high ceiling room 25 from multiple directions (for example, three directions: north, south, and west), ensuring comfort inside the room. Also, with this configuration, wind passes between the second opening 30b and the opening (here, the south-side lower opening 20e) that connects the high-ceiling room 25 to the outdoors, via the first opening 30a, the handrail 36, and the high-ceiling room 25. Therefore, the high-ceiling room 25 can be ventilated in a direction substantially perpendicular to the first wall 25a, ensuring comfort inside the room. In addition, the handrail 36 does not have to be a handrail that allows both lighting and ventilation, but may be a handrail that allows either lighting or ventilation.

[0067] Furthermore, in the building 1 of the embodiment, the first opening 30a, the second opening 30b, and the handrail 36 can be arranged so as to overlap when viewed from a direction perpendicular to the first wall 25a (see FIG. 7, etc.). In other words, the first opening 30a, the second opening 30b, and the handrail 36 can be arranged in a straight line.

[0068] With this configuration, it is possible to efficiently take in light (natural light) from the second opening 30b into the high-ceilinged room (living room) 25, thereby improving indoor comfort. Furthermore, by configuring it in this manner, air can efficiently pass between the second opening 30b and the opening (here, the south-side lower opening 20e) that connects the outdoors with the high-ceiling room 25, thereby improving comfort indoors.

[0069] In addition, the building 1 of the embodiment can be provided with a balcony (second floor balcony 24) on the floor directly below adjacent to the high-ceiling room (living room) 25, and the balcony (second floor balcony 24) on the floor directly below can be made to be approximately L-shaped in plan view, having a portion adjacent to the high-ceiling room 25 across the first wall 25a and a portion adjacent to the high-ceiling room 25 across one of the pair of second walls 25b (the second wall 25b on the west side), and it is possible to provide a window (lower west side opening 20g) in one of the pair of second walls 25b (the second wall 25b on the west side) having a lower end at a height position lower than the lower end of the high window (upper south side opening 20f) (see Figures 2 to 4, etc.).

[0070] By configuring in this way, one of the second walls 25b (the second wall 25b on the west side) is set back toward the other second wall 25b (the second wall 25b on the east side) by the amount of the balcony on the floor directly below (the second floor balcony 24). In other words, one of the second walls 25b (the second wall 25b on the west side) is moved away from the neighboring land on one of the second walls 25b (west side) by the amount of the balcony on the floor directly below (the second floor balcony 24). Therefore, even if a window (such as a waist-high window or a bay window) with a lower end at a lower height than the lower end of a high window is provided on one of the second walls 25b (the second wall 25b on the west side) for lighting or the like, privacy can be protected from the neighboring house on one of the second walls 25b (west side), and indoor comfort can be improved. It is also possible to provide (only) high windows in the other second wall 25b (the east-side second wall 25b) that is not set back (not far from the neighboring land). This allows for natural lighting, etc., while protecting privacy from the neighboring house on the other second wall 25b side (east side), improving indoor comfort. In addition, it is also possible to provide a clerk's window on one of the second walls 25b (the second wall 25b on the west side) which is set back (away from the neighboring property), in addition to (or instead of) a window (such as a waist-high window or a bay window) whose lower end is at a lower height than the lower end of a clerk's window.

[0071] In addition, in the embodiment, of the east- and west-side second walls 25b, the wall to be set back (the wall moved away from the adjacent land) is the west-side second wall 25b, but this is not limited to this, and the east-side second wall 25b may also be set back. In addition, both of the east and west second walls 25b may be set back (moved away from the adjacent land).

[0072] In addition, the building 1 of the embodiment can be provided with a top floor balcony (third floor balcony 37) adjacent to the hall 31, and an opening (third floor south opening 30d) connecting the top floor balcony (third floor balcony 37) to the hall 31 (see Figures 1, 7, etc.). By configuring in this way, it is possible to ensure lighting and ventilation to the hall 31, thereby improving indoor comfort. Furthermore, if building 1 is a building of three or more floors, the opening (third floor south opening 30d) connecting the top floor balcony (third floor balcony 37) to the hall 31 can be used as an alternative entrance, thereby making building 1 a building that complies with the Building Standards Act.

[0073] In addition, in the building 1 of the embodiment, it is possible to provide a low-ceiling room (dining / kitchen) 21 with a lower ceiling height than the high-ceiling room 25 adjacent to the high-ceiling room 25 on the floor directly below, and it is possible not to provide a partition between the high-ceiling room 25 and the low-ceiling room 21 (see Figures 2, 3, 6, etc.). With this configuration, the high-ceiling room (living room) 25 and the low-ceiling room (dining / kitchen) 21 on the floor directly below become a continuous room (living room) without any partitions. Therefore, it is possible to provide an open space on the floor directly below, so indoor comfort can be ensured even if the building 1 is an urban residence built on a narrow lot.

[0074] In addition, the building 1 in the embodiment is a building of three or more floors, and the staircase (second staircase 26) connecting the floor immediately below and the top floor can be located at a position away from above other staircases (first staircase 15a) installed in the building 1. By configuring in this manner, there are no restrictions on where to install the staircase (second staircase 26) connecting the floor directly below and the top floor, so it is possible to install the staircase (second staircase 26) in a location that ensures indoor comfort.

[0075] In recent years, there has been a demand for the realization of a decarbonized society through the promotion of carbon neutrality, which reduces carbon dioxide emissions to virtually zero, and for the achievement of the SDGs (Sustainable Development Goals), and the construction industry is also working to build buildings out of wood, which produces less carbon dioxide. The building 1 of this embodiment is constructed from architectural wood panels and can be constructed entirely or partially out of wood, which can contribute to the realization of a decarbonized society through the promotion of carbon neutrality and the achievement of the SDGs. [Explanation of symbols]

[0076] 1. Building 3a First Roof 15a First Staircase (Other Staircase) 20e South lower opening (opening) 20f South upper opening (opening) 20g Lower west opening (opening, window) 21 Low ceiling living room 24 Second floor balcony (balcony directly below) 25 High-ceiling room 25a First wall 25b Second wall 26 Second staircase (stairs) 30a First opening 30b Second opening 30d Third floor south opening (opening) 31 holes 34 Top floor room 36 Handrail 37 Third floor balcony (top floor balcony)

Claims

1. A multi-storey building having a top floor and a floor immediately below it, and a sloped roof on which photovoltaic panels are laid, The immediately lower floor is provided with a high-ceilinged room having a first wall facing the direction of the lower end side of the slope direction of the sloped roof and a pair of second walls perpendicular to the first wall, The high-ceiling room is provided with a staircase connecting the floor directly below and the top floor, On the top floor, a hall leading to the staircase; A top floor room is provided facing the upper part of the high ceiling room across the hall, A building characterized in that the high-ceiling room, the hall, and the top floor room are arranged directly below the sloped roof in this order from the lower end side of the sloped roof.

2. In the building according to claim 1, The building in question is a three-storey building, A top floor balcony adjacent to the hall; and an opening communicating the top floor balcony with the hall.

3. In the building according to claim 1, A first opening communicating the top floor room and the hall; A second opening communicating the outside with the top floor room; A handrail that allows lighting and ventilation, provided between the hall and the upper part of the high-ceiling room; A building characterized by having an opening provided in the first wall and the second wall of the high-ceiling room, connecting the high-ceiling room with the outdoors.

4. In the building according to claim 3, A building characterized in that the first opening, the second opening, and the handrail are arranged so as to overlap when viewed from a direction perpendicular to the first wall.

5. In the building according to claim 1, The high-ceilinged room is adjacent to a balcony on the floor directly below. The directly below floor balcony has a generally L-shaped shape in plan view, the L-shaped shape having a portion adjacent to the high ceiling room across the first wall and a portion adjacent to the high ceiling room across one of the pair of second walls, A building characterized in that a window having a lower end at a height lower than the lower end of a clerestory window can be provided on the second wall of the building.

6. In the building according to claim 1, A low-ceiling room having a lower ceiling height than the high-ceiling room is provided adjacent to the high-ceiling room on the floor directly below, A building characterized in that no partition is provided between the high-ceiling rooms and the low-ceiling rooms.

7. In the building according to claim 1, The building in question is a building with three or more floors, A building characterized in that the staircase connecting the floor immediately below and the top floor can be located at a position away from above other staircases installed in the building.

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