WO2011065089A1 - カーテンウォールユニット、及びカーテンウォール - Google Patents
カーテンウォールユニット、及びカーテンウォール Download PDFInfo
- Publication number
- WO2011065089A1 WO2011065089A1 PCT/JP2010/065246 JP2010065246W WO2011065089A1 WO 2011065089 A1 WO2011065089 A1 WO 2011065089A1 JP 2010065246 W JP2010065246 W JP 2010065246W WO 2011065089 A1 WO2011065089 A1 WO 2011065089A1
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- Prior art keywords
- curtain wall
- frame
- glass panel
- piece
- wall unit
- Prior art date
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/88—Curtain walls
- E04B2/96—Curtain walls comprising panels attached to the structure through mullions or transoms
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/88—Curtain walls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/70—Drying or keeping dry, e.g. by air vents
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/88—Curtain walls
- E04B2/90—Curtain walls comprising panels directly attached to the structure
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
- E06B7/10—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses by special construction of the frame members
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/14—Measures for draining-off condensed water or water leaking-in frame members for draining off condensation water, throats at the bottom of a sash
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/26—Lamellar or like blinds, e.g. venetian blinds
- E06B9/264—Combinations of lamellar blinds with roller shutters, screen windows, windows, or double panes; Lamellar blinds with special devices
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/14—Measures for draining-off condensed water or water leaking-in frame members for draining off condensation water, throats at the bottom of a sash
- E06B2007/145—Measures for draining-off condensed water or water leaking-in frame members for draining off condensation water, throats at the bottom of a sash for glass façade, e.g. curtain wall
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/26—Lamellar or like blinds, e.g. venetian blinds
- E06B9/264—Combinations of lamellar blinds with roller shutters, screen windows, windows, or double panes; Lamellar blinds with special devices
- E06B2009/2643—Screens between double windows
Definitions
- the present invention relates to a curtain wall unit arranged in parallel to the outer periphery of a building and a curtain wall including the curtain wall unit, and more particularly to a double skin curtain wall unit and a curtain wall.
- the curtain wall only needs to be attached to the building frame with a metal fitting for the curtain wall unit that has been assembled in advance, in addition to being excellent in workability, it can also meet the recent demands for glass-based appearance. It is increasingly used in buildings.
- the curtain wall unit has a single skin curtain wall that separates the interior and the exterior by a single glass panel, and a double that partitions the interior and exterior by a plurality of (usually two) glass panels arranged in parallel with a predetermined gap between the interior and exterior.
- a hollow layer is formed between the glass panel arranged on the outdoor side and the glass panel arranged on the indoor side. With such a hollow layer, it functions as a heat insulating layer in cold seasons such as winter, and the indoor heating efficiency can be improved.
- hot seasons such as summer, by raising the air in the hollow layer, it is possible to mitigate the temperature rise of glass panels heated by direct sunlight, blinds arranged in the hollow layer, and the like. And since it becomes possible to suppress that these heat
- the structure of the curtain wall unit that can improve the cooling and heating efficiency as described above from the viewpoint of realizing energy saving in order to reduce greenhouse gas emissions in response to the need to suppress global warming in recent years. Is more important than ever.
- the glass panels are juxtaposed in the indoor / outdoor direction, it is absolutely necessary to divide the space on the indoor side. Therefore, it is desirable to make the installation space as thin as possible.
- the thickness is reduced in this way, the hollow layer becomes narrower, and the above-described ventilation efficiency tends to be deteriorated due to a decrease in the amount of ventilation and an increase in ventilation resistance.
- Patent Document 1 is disclosed as a means for ventilating the hollow layer.
- a lower horizontal frame forming the frame body and a ventilation port communicating with the hollow layer are provided in the upper horizontal frame, and air can be circulated between the upper and lower ventilation ports.
- the ventilation port arranged in the upper horizontal frame of a certain curtain wall unit and the ventilation port arranged in the lower horizontal frame of the curtain wall adjacent thereto are provided. Adjacent to each other vertically. Therefore, a so-called short circuit in which the air flowing out from the lower curtain wall unit flows into the upper curtain wall unit again easily occurs, and the ventilation efficiency is reduced.
- the upper and lower horizontal frames having ventilation openings overlap, the horizontal frame portion becomes thick when formed as a curtain wall, which is not preferable in appearance.
- an object of the present invention is to provide a curtain wall unit that can prevent a short circuit and has an excellent appearance. Moreover, a curtain wall provided with this unit is provided.
- the invention according to claim 1 is a curtain wall unit (10, 10 ') arranged on the outer periphery of a building, and includes a horizontal frame (40, 50, 60) and a vertical frame (20, 30).
- a first glass panel (70) disposed in a frame defined by the frame, a first glass panel (70), and a first glass panel having a predetermined interval
- a second glass panel (75) disposed in a frame that is disposed with the surface facing one side of the glass panel and is partitioned by the frame, and the frame, the first glass panel, and
- a hollow layer (A) surrounded by the second glass panel is formed, and one of the horizontal frames of the frame body is provided with a circulation port (51a) leading to the hollow layer, At least one is provided with a flow port (21a, 31a) leading to the hollow layer. It is a down wall unit.
- the curtain port unit (10, 10') according to claim 1 has a distribution port (21a, 31a) provided in the vertical frame in a posture to be attached to the building. ) Is provided at a position higher than the circulation port (51a) provided in the horizontal frame.
- the invention described in claim 3 is the curtain wall unit (10 ′) according to claim 1 or 2, wherein the vertical frame (20, 30) has a water intrusion prevention means (90). , 190, 290, 390).
- the invention as set forth in claim 4 is characterized in that the curtain wall unit (10, 10, ..., 10 ', 10', ...) according to any one of claims 1 to 3 is built.
- a curtain wall formed in parallel in the vertical and horizontal directions along the outer periphery, and between the curtain wall units arranged in the vertical direction, a flow passage leading to the outside from the circulation port (51a) provided in the horizontal frame is formed.
- the curtain wall is formed with a flow passage leading to the outside from the circulation ports (21a, 31a) provided in the vertical frame.
- the curtain wall unit and the curtain wall of the present invention regarding the appearance, it is possible to prevent any one of the vertical and horizontal frames from becoming thick, and it is possible to provide an excellent appearance. Moreover, these can prevent a short circuit regarding the ventilation in a hollow layer, and can also suppress the temperature rise in a hollow layer low. This can contribute to energy saving.
- FIG. 1 It is the outdoor view front view of the curtain wall which concerns on one embodiment. It is sectional drawing shown by II-II in FIG. It is sectional drawing shown by III-III in FIG. It is a figure equivalent to FIG. 3 among the curtain walls which concern on a modification. It is a figure explaining the water penetration
- FIG. 1 shows the appearance of a building in which a curtain wall according to one embodiment is configured.
- the curtain wall which is one aspect of the building outer wall is formed by attaching a plurality of curtain wall units 10, 10,. , Only two curtain wall units 10, 10 adjacent in the horizontal direction are indicated by solid lines, and the other curtain wall units 10, 10,.
- the curtain wall unit 10 includes a frame 15, an outdoor glass panel 70 disposed in a frame defined by the frame 15, an indoor glass panel 75 (see FIG. 2), a spandrel glass panel 80, and a board 85. (See FIG. 2). 2 is a sectional view taken along the line II-II in FIG. 1 (vertical sectional view), and FIG.
- FIG. 3 is a sectional view taken along the line III-III in FIG. 1 (horizontal sectional view). Respectively.
- the left side of the drawing is the outdoor side
- the right side of the drawing is the indoor side
- the upper side of the paper is the indoor side
- the lower side of the paper is the outdoor side.
- the frame 15 is configured by combining a vertical frame 20, a vertical frame 30, and an upper horizontal frame 40, a lower horizontal frame 50, and an intermediate horizontal frame 60, which are horizontal frames, into a rectangular frame shape.
- a frame shape is formed by the vertical frames 20 and 30, the upper horizontal frame 40, and the lower horizontal frame 50, and the intermediate horizontal frame 60 is interposed between the upper horizontal frame 40 and the lower horizontal frame 50.
- a partition 12 is formed.
- the 1st division part 11 is arrange
- the 2nd division part 12 is arrange
- the upper horizontal frame 40 has a cross section as shown in FIG. 2 (however, the upper horizontal frame 40 is located above the curtain wall unit 10 arranged below the curtain wall unit 10 shown by a solid line in FIG. It is the frame 40.
- the cross section is the same, and this will be described for ease of explanation.)
- And has a piece 41 extending in the indoor / outdoor direction (expected direction).
- a glass panel mounting portion 42 that receives the upper end portion of the spandrel portion glass panel 80 is provided on the outdoor side of the piece 41
- a board mounting portion 43 that receives the upper end portion of the board 85 is provided on the indoor side.
- the lower horizontal frame 50 has a piece 51 extending in the indoor / outdoor direction (expected direction), as shown in FIG.
- a glass panel mounting portion 52 that receives the lower end portion of the outdoor side glass panel 70 is provided on the outdoor side of the piece 51, and a glass panel mounting portion 53 that receives the lower end portion of the indoor side glass panel 75 is provided on the indoor side.
- the piece 51 has a slit 51a (see FIGS. 2 and 3) as a circulation port that penetrates the piece 51 along the longitudinal direction of the lower horizontal frame 50 between the glass panel attachment portion 52 and the glass panel attachment portion 53. ) Is provided.
- the piece 51 On the lower surface side of the piece 51, there are provided a piece 54 extending downward on the outdoor side from the slit 51a and a piece 55 extending downward on the indoor side from the slit 51a. Therefore, a flow path that leads to the slit 51a is formed by the piece 54 and the piece 55. Further, the lower surface side of the piece 51 further has a convex portion 56 that engages with the engaged portion 44 of the upper horizontal frame 40 of the curtain wall unit 10 adjacent below.
- the intermediate horizontal frame 60 has a piece 61 extending in the indoor / outdoor direction (expected direction) as shown in FIG.
- a glass panel mounting portion 62 that receives the upper end portion of the outdoor side glass panel 70 is provided on the outdoor side of the piece 61, and a glass panel mounting portion 63 that receives the upper end portion of the indoor side glass panel 75 is provided on the indoor side.
- a blind 13 is attached to the lower surface of the piece 61 so as to hang down.
- a glass panel mounting portion 64 that receives the lower end portion of the spandrel portion glass panel 80 is provided on the outdoor side of the piece 61, and a board mounting portion 65 that receives the lower end portion of the board 85 is provided on the indoor side.
- the vertical frame 20 includes a piece 21 that extends in the indoor / outdoor direction (prospective direction).
- a glass panel mounting portion 22 that receives a side end portion of the outdoor side glass panel 70 is provided on the outdoor side of the piece 21, and a glass panel mounting portion 23 that receives a side end portion of the indoor side glass panel 75 is provided on the indoor side.
- the piece 24 extending in the direction of finding, and the pieces 24 It has the piece 25 arrange
- a slit 21a is provided as a circulation port penetrating through the.
- the air is caused to flow out of the slit 21a by buoyancy due to a decrease in the density of the air, so that it is arranged as high as possible, that is, on the side close to the intermediate horizontal frame 60. It is preferable.
- the opening area of the slit 21a is determined from the viewpoint of smooth air outflow.
- the size of the opening area can be obtained from the idea of the equivalent opening area.
- the equivalent opening area means an area effective for ventilation, is represented by ⁇ A (cm 2 ), and is obtained from the following equation (1).
- ⁇ A 2.78 ( ⁇ / 2g) 1/2 ⁇ Q 0 ⁇ ( ⁇ p) (1 / n ⁇ 0.5) (1)
- ⁇ is the density of air (kg / m 3 )
- g is the acceleration of gravity (m / s 2 )
- n is a coefficient representing the gap characteristic (1 when laminar flow, takes a value of 2 when turbulent)
- ⁇ is a flow coefficient.
- the vertical frame 30 has a piece 31 extending in the indoor / outdoor direction (expected direction).
- the outdoor side of the piece 31 is provided with a glass panel mounting portion 32 for receiving the side end portion of the outdoor side glass panel 70
- the indoor side is provided with a glass panel mounting portion 33 for receiving the side end portion of the indoor side glass panel 75.
- the piece 34 when combined with the adjacent curtain wall unit 10, from the surface facing the adjacent curtain wall unit 10, the piece 34 extending in the finding direction, and the piece 34 It has the piece 35 arrange
- a slit 31a is provided as a circulation port penetrating through the.
- the position of the slit 31a is not particularly limited. However, as will be described later, air is caused to flow out of the slit 31a by buoyancy due to a decrease in the density of air, so that the slit 31a is disposed as high as possible, that is, on the side close to the intermediate horizontal frame 60. It is preferable.
- the position where the slit 31a is disposed is preferably the same height position as the slit 21a described above. Thereby, the exhaust heat of the hollow layer A is performed with good balance. However, this does not prevent changing the height positions of the slits 21a and the slits 31a, and the height positions can be different as necessary.
- about the opening area of the slit 31a since it is the same as that of the slit 21a mentioned above, description is abbreviate
- the slits 21a and the slits 31a are provided in the vertical frames 20 and 30, respectively, but the slits may be provided only in one of them.
- the slits 21a and 31a are provided as a preferable form because it is preferable that the area of the circulation port is large and the balance of the exhaust heat distribution in the hollow layer A is good. Therefore, if the opening area of the slit is sufficient or the balance of the exhaust heat distribution of the hollow layer is within an allowable range, only one of them may be used.
- the outdoor glass panel 70 is a first glass panel disposed outside the first partition 11 of the frame 15. Accordingly, the four sides are attached to the glass panel attachment portions 22, 32, 52, 62 of the vertical frame 20, the vertical frame 30, the lower horizontal frame 50, and the intermediate horizontal frame 60 together with the packing material while ensuring watertightness and airtightness. ing.
- the indoor side glass panel 75 is a second glass panel disposed on the indoor side in the first partition 11 of the frame 15, and is a multilayer glass panel. . Therefore, the outdoor side glass panel 70 and the indoor side glass panel 75 are arranged in parallel with a predetermined interval inside and outside the room.
- Four sides of the indoor side glass panel 75 are watertight and airtight together with the packing material in the glass panel mounting portions 23, 33, 53, and 63 of the vertical frame 20, the vertical frame 30, the lower horizontal frame 50, and the intermediate horizontal frame 60. Attached.
- the spandrel glass panel 80 is a glass panel disposed on the outdoor side of the second partition part 12 of the frame 15. Accordingly, the four sides are attached to the glass panel attachment portions 22, 32, 42, and 64 of the vertical frame 20, the vertical frame 30, the upper horizontal frame 40, and the intermediate horizontal frame 60 together with the packing material in a watertight and airtight manner. ing.
- the board 85 is a plate-like member that is disposed on the indoor side of the second partition portion 12 of the frame 15 and conceals the inside from the outdoor view. Therefore, the spandrel portion glass panel 80 and the board 85 are arranged in parallel with a predetermined interval inside and outside the room.
- the four sides of the board 85 are attached to the vertical frame 20, the vertical frame 30, the upper horizontal frame 40, and the intermediate horizontal frame 60 together with a packing material in a watertight and airtight manner.
- the four sides are the vertical frame 20, the vertical frame 30, the intermediate horizontal frame 60, and the lower horizontal frame.
- a hollow layer A is formed which is surrounded by 50 and whose indoor and outdoor surfaces are closed by the outdoor glass panel 70 and the indoor glass panel 75.
- the hollow layer A can communicate with the outside through the slits 21 a of the vertical frame 20, the slits 31 a of the vertical frame 30, and the slits 51 a of the lower horizontal frame 50.
- the first partition 11 and the second partition 12 when the intermediate horizontal frame 60 reaches a position where it is exposed to the outdoor side, the first partition 11 and the second partition 12 have different glass panels (outdoor glass panel 70 and spandrel glass panel 80). And arranged.
- the present invention is not limited to this. For example, if watertight airtightness is taken in the first partition and the second partition, the intermediate horizontal frame is not exposed to the outdoor side, and the first partition and the second partition May have a common outdoor glass panel.
- a certain curtain wall unit 10 and the curtain wall unit 10 combined adjacently below this part often appear in the portion indicated by B in FIG.
- the convex portion 56 provided on the lower horizontal frame 50 of the curtain wall unit 10 disposed on the upper side becomes the engaged portion 44 provided on the upper horizontal frame 40 of the curtain wall unit 10 disposed on the lower side.
- C in FIG. 2 a flow passage C is formed between the upper horizontal frame 40 and the lower horizontal frame 50 and between the slits 51a and the outside by the pieces 54 and 55 of the lower horizontal frame 50. Is done.
- combinations of curtain wall units 10 and 10 adjacent to the left and right are as follows, as shown in FIG. That is, the piece 34 of the vertical frame 30 of the curtain wall unit 10 adjacent to the piece 24 of the vertical frame 20 is closely attached via the packing. Similarly, the piece 35 of the vertical frame 30 of the curtain wall unit 10 adjacent to the piece 25 of the vertical frame 20 is closely attached via the packing. Moreover, the glass panel attachment part 23 and the glass panel attachment part 33 of the vertical frame 30 of the curtain wall unit 10 adjacent to this are closely_contact
- the air inflow passage and the outflow passage are arranged separately in a horizontal frame and a vertical frame. Can be prevented from becoming thicker. Therefore, it is possible to configure a curtain wall having an excellent appearance. For example, when a single skin curtain wall and a double skin curtain wall are used differently depending on the direction of the outer wall facing in one building, the frame should be unified in a preferable manner so that the frame is not too thick. Can do. Further, by suppressing the thickening of the frame, the contamination is less and less noticeable.
- the air in the hollow layer A is ventilated as follows. This will be described with reference to FIGS. First, the outdoor glass panel 70, the indoor glass panel 75, the blind 13 and the like are heated by solar radiation or the like, and the air in the hollow layer A is heated, so that the air in the hollow layer A is warmed and the density thereof is increased. Get smaller. The air having such a low density rises and the air in the hollow layer A flows out so as to sequentially push out the air from the slits 21a and 31a of the vertical frames 20 and 30. At this time, as shown by D in FIGS. 2 and 3, the air flows through the passages formed between the vertical frames 20 and 30 from the slits 21 a and 31 a.
- the hollow layer A is stabilized at a lower temperature than when there is no air movement, and a decrease in cooling efficiency on the indoor side is suppressed. It becomes possible.
- the horizontal frame distribution port can be made large over the entire length of the horizontal frame, and the vertical frame distribution port corresponding to this can be provided in the vertical frame. Can take big.
- a slit for inflow of air is provided in the lower horizontal frame, and a slit for outflow of air is disposed in a portion of the vertical frame disposed above this.
- the outflow channel may be arranged by providing a slit for air inflow in the lower part of the vertical frame in the hollow layer A and providing a slit for outflow of air in the intermediate horizontal frame.
- the curtain wall unit 10 described above has been described as a preferred form from the viewpoint of discharging water that has entered the hollow layer A.
- FIG. 4 shows a diagram for explaining a curtain wall formed by curtain wall units 10 ′ and 10 ′ according to a modification.
- FIG. 4 corresponds to FIG.
- the curtain wall units 10 ′ and 10 ′ differ from the curtain wall units 10 and 10 only in that water intrusion prevention means 90 is provided, and the other parts are the same as the curtain wall units 10 and 10. Therefore, the same reference numerals are given and the description is omitted.
- the water intrusion prevention means 90 includes a first member 91 and a second member 92.
- the first member 91 is a member having a substantially L-shaped cross section as can be seen from FIG.
- An attachment piece 91b is provided at the end of the first member 91 on the side of the piece 91a, which is one L-shaped piece, so as to be orthogonal to the piece 91a.
- a plurality of protrusions 91d, 91d,... Are erected on the surface of the other L-shaped piece 91c side.
- the end portion 91e of the piece 91c is bent in the same direction as the piece 91a side.
- the second member 92 includes three pieces 92a, 92b, and 92c formed in a polygonal line shape in the cross section.
- the first member 91 and the second member 92 have the vertical frame 20, the vertical frame 30, and the pieces 24, 34 when the curtain wall is formed by the curtain wall units 10 ′, 10 ′,. , And a space surrounded by the glass panel mounting portions 22 and 32. More details are as follows.
- the first member 91 is attached to the vertical frame 30.
- the piece 91a extends in the prospective direction
- the piece 91c extends in the direction of the vertical frame 20 of the adjacent curtain wall unit 10 ′.
- the protrusions 91d, 91d,... Of the piece 91c are directed to the side where the glass panel mounting portions 22, 32 are disposed.
- the piece 91 c is formed so as to cross the prospective direction indoor side of the gap between the glass panel attachment portions 22 and 32.
- the second member 92 is attached to the vertical frame 20, and in this case, the piece 92 a is fixed to the indoor side surface of the glass panel attachment portion 22.
- the piece 92b extends so as to incline indoors in the direction of the vertical frame 30 of the adjacent curtain wall unit 10 '.
- the piece 92c extends in the direction of the vertical frame 30 of the adjacent curtain wall unit 10 'from the tip of the piece 92b.
- the second member 92 is formed by the pieces 92b and 92c so as to cross the interior side in the prospective direction of the gap between the glass panel mounting portions 22 and 32.
- the water intrusion prevention means 90 described above, even if rainwater enters between the glass panel mounting portions 22 and 32 from the direction indicated by E in FIG. 4, further intrusion of rainwater is suppressed by the second member 92.
- the first member 91 also suppresses further intrusion of rainwater and prevents intrusion of rainwater from the slits 21a and 31a into the hollow layers A and A.
- the water intrusion prevention means 90 may be installed near the position where the slits 21a and 31a are provided. Therefore, it is not necessary to extend over the entire length of the vertical frames 20 and 30, and the length of the slits 21a and 31a in the direction along the longitudinal direction of the vertical frames 20 and 30 is preferably as long as about 100 mm. Thereby, compared with the case where it extends over the full length of a longitudinal direction, cost can be suppressed and ventilation resistance can also be suppressed low.
- 5 to 7 are diagrams for explaining each of the water intrusion prevention means 190, 290, and 390 in other forms. 5 to 7 correspond to FIG.
- the water intrusion prevention means 190 shown in FIG. 5 includes a first member 191 and a second member 192. Since the first member 191 and the second member 192 have symmetrical shapes, only the first member 191 will be described here.
- the first member 191 is a member having a substantially L-shaped cross section that is a short piece 191 a in the finding direction and a long piece 191 b in the prospective direction.
- the piece 191 a also serves as a piece for pressing the outdoor side surface of the side end portion of the outdoor side glass panel 70.
- the piece 191b extends indoors from the end of the piece 191a to the space surrounded by the vertical frame 20, the vertical frame 30, the pieces 24 and 34, and the glass panel mounting portions 22 and 32.
- the indoor side end of the piece 191b is bent in the direction of finding toward the side opposite to the piece 21 side.
- a plurality of protrusions 191c, 191c,... Arranged in parallel in the prospective direction are provided from the surface of the piece 191b opposite to the side facing the piece 21.
- the water intrusion prevention means 190 described above even if rainwater enters between the glass panel mounting portions 22 and 32 from the direction indicated by F in FIG. 5, it is narrow between the first member 191 and the second member 192. Since the space is formed long, the flow resistance is high, so that further intrusion of rainwater is suppressed. In addition, the protrusions 191c, 191c,..., 192c, 192c,. On the other hand, as is apparent from FIG. 5, since the air flow passage is secured, the outflow of air from the hollow layers A and A is not hindered.
- the water intrusion prevention means 190 may be installed in the vicinity of the position where the slits 21a and 31a are provided. Therefore, it is not necessary to extend over the entire length of the vertical frames 20 and 30, and the length of the slits 21a and 31a in the direction along the longitudinal direction of the vertical frames 20 and 30 is preferably as long as about 100 mm. Thereby, compared with the case where it extends over the full length of a longitudinal direction, cost can be suppressed and ventilation resistance can also be suppressed low.
- the water intrusion prevention means 290 shown in FIG. 6 includes a first member 291 and a second member 292. Since the first member 291 and the second member 292 have symmetrical shapes, only the first member 291 will be described here.
- the first member 291 is a piece that is provided at the corner on the indoor side of the glass panel mounting portion 22 and extends to the indoor side. Here, the indoor side end of the first member 291 is bent in the direction of finding toward the side opposite to the piece 21 side.
- the water intrusion prevention means 290 described above even if rainwater enters between the glass panel mounting portions 22 and 32 from the direction indicated by G in FIG. 6, it is narrow between the first member 291 and the second member 292. Since the space is formed long, the flow resistance is high, so that further intrusion of rainwater is suppressed. On the other hand, as is clear from FIG. 6, since the air flow passage is secured, the outflow of air from the hollow layers A and A is not hindered.
- the water intrusion prevention means 290 may be installed in the vicinity of the position where the slits 21a and 31a are provided. Therefore, it is not necessary to extend over the entire length of the vertical frames 20 and 30, and the length of the slits 21a and 31a in the direction along the longitudinal direction of the vertical frames 20 and 30 is preferably as long as about 100 mm. Thereby, compared with the case where it extends over the full length of a longitudinal direction, cost can be suppressed and ventilation resistance can also be suppressed low.
- the piece 391 is a piece that is provided at the outdoor corner of the glass panel mounting portion 32 and extends to the outdoor side.
- the piece 392 is a piece extending in the direction of finding from the outdoor front end portion of the piece 391.
- the piece 392 is provided so as to cross the prospective direction outdoor side between the glass panel attachment portions 22 and 32. Therefore, according to the water intrusion prevention means 390, rainwater from the direction indicated by H in FIG. 7 hits the piece 392 and cannot enter between the glass panel mounting portions 22 and 32.
- the air flow passage is secured, the outflow of air from the hollow layers A and A is not hindered.
- the water intrusion prevention means 390 may be installed near the position where the slits 21a and 31a are provided. Therefore, it is not necessary to extend over the entire length of the vertical frames 20 and 30, and the length of the slits 21a and 31a in the direction along the longitudinal direction of the vertical frames 20 and 30 is preferably as long as about 100 mm. Thereby, compared with the case where it extends over the full length of a longitudinal direction, cost can be suppressed and ventilation resistance can also be suppressed low. However, since the water intrusion prevention means 390 appears exposed outside, the water intrusion prevention means 390 may extend long along the longitudinal direction of the vertical frames 20 and 30 from the viewpoint of appearance. This also functions as the water intrusion prevention means 390.
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Abstract
Description
また、これらは中空層内の換気に関して、ショートサーキットを防止することができ、中空層内の温度上昇を低く抑えることも可能である。これにより省エネルギーに貢献することができる。
カーテンウォールユニット10は、枠体15、及び該枠体15により区画された枠内に配置される室外側ガラスパネル70、室内側ガラスパネル75(図2参照)、スパンドレル部ガラスパネル80、ボード85(図2参照)を備えている。
図2には、図1にII-IIで示した線に沿った断面図(垂直断面図)、図3には図1にIII-IIIで示した線に沿った断面図(水平断面図)をそれぞれ表した。図2では、紙面左が室外側、紙面右が室内側である。また、図3では、紙面の上が室内側、紙面の下が室外側である。
片51には、ガラスパネル取り付け部52とガラスパネル取り付け部53との間に、下横枠50の長手方向に沿って、片51を貫通する流通口としてのスリット51a(図2、図3参照)が設けられている。片51の下面側には、スリット51aより室外側で下方に延在する片54、及びスリット51aより室内側で下方に延在する片55を備えている。従って、片54、片55によりスリット51aに通じる流通路が形成されている。
また、片51の下面側にはさらに、下に隣接するカーテンウォールユニット10の上横枠40の被係合部44に係合する凸部56を有している。
さらに、片61の室外側にはスパンドレル部ガラスパネル80の下端部を受け入れるガラスパネル取り付け部64を備え、室内側には、ボード85の下端部を受け入れるボード取り付け部65を具備する。
片21の面のうち、隣接するカーテンウォールユニット10と組み合わされたときに、該隣接するカーテンウォールユニット10側に面する面からは、見付方向に延在する片24、及び該片24より室内側に配置される片25を有している。
また、片21のうち、ガラスパネル取り付け部22と片24との間で(図3参照)、かつ、中間横枠60と下横枠50との間には(図2参照)、当該片21を貫通する流通口としてのスリット21aが設けられている。
αA=2.78(γ/2g)1/2・Q0・(Δp)(1/n-0.5) (1)
ここで、γは空気の密度(kg/m3)、Q0は内外差圧Δp=1mmAq(9.8Pa)の時の漏気量Q(m3/h)、gは重力加速度(m/s2)、nは隙間特性を表す係数(層流時は1、乱流時は2の値をとる。)、及びαは流量係数を意味する。
片31の面のうち、隣接するカーテンウォールユニット10と組み合わされたときに、該隣接するカーテンウォールユニット10側に面する面からは、見付方向に延在する片34、及び該片34より室内側に配置される片35を有している。片34、片35の先端にはそれぞれパッキンが備えられている。
また、片31のうち、ガラスパネル取り付け部32と片34との間で(図3参照)、かつ、中間横枠60と下横枠50との間には(図2参照)、当該片31を貫通する流通口としてのスリット31aが設けられている。
あるカーテンウォールユニット10と、この下方に隣接して組み合わされるカーテンウォールユニット10とは、図2にBで示した部分に良くあらわれている。すなわち、上側に配置されるカーテンウォールユニット10の下横枠50に具備される凸部56が、下側に配置されるカーテンウォールユニット10の上横枠40に具備される被係合部44に係合する。この際には図2にCで示したように上横枠40と下横枠50との間及び、下横枠50の片54と片55とによりスリット51aと室外を通じる流通路Cが形成される。
この際には図3にD、Dで示したように縦枠20と縦枠30との間にスリット21a、31aと室外を通じる流通路D、Dが形成される。
例えば、1つの建物において外壁が面している方角により、シングルスキンカーテンウォールとダブルスキンカーテンウォールとを使い分ける場合に、その外観を統一するに際し、枠が太すぎることのない好ましい態様で統一することができる。
また、枠が太くなることが抑制されることによって、その汚れも少なく、また目立たなくなる。特に、従来のような給排気のための露出した大型水返し部材(いわゆるガラリ)が必要ないので、その汚れによる外観の不具合を防止することができる。これに加えて、部材や流通口の構成が簡素化され、カーテンウォールを安価に提供することが可能となった。
はじめに、日射等により室外側ガラスパネル70、室内側ガラスパネル75、ブラインド13等が暖められ、中空層A内の空気が加熱されるので、中空層A内の空気が暖められるとともに、その密度が小さくなる。
このように密度の小さくなった空気は上昇し、縦枠20、30のスリット21a、31aから順次空気を押し出すように中空層A内の空気が外に流出される。このとき、空気は図2、図3にDで示したように、スリット21a、31aから縦枠20、30間に形成された通路を流れる。
また、横枠の流通口を該横枠の全長に亘って大きく取ることができ、また、これに対応する縦枠の流通口を該縦枠に設けることができるので、有効な流通口面積を大きく取ることができる。
本実施形態では、次に説明するように、中空層A内に侵入した水を排出する観点から上記したカーテンウォールユニット10を好ましい形態として説明した。
なお、スリット51aから抜け落ちた水は、上横枠40の片41を該片41の長手方向に移動し、水平方向に隣接するカーテンウォールユニットとの間(縦枠間)に達する。当該縦枠間には不図示の水受け(キャッチパン)が設けられており、ここから外部に排出される。
第一部材91は縦枠30に取り付けられ、その際には片91aが見込み方向に延在し、片91cが隣接するカーテンウォールユニット10’の縦枠20の方向に延在する向きとされる。そして、片91cの突起91d、91d、…はガラスパネル取り付け部22、32が配置される側に向けられる。図4からわかるように、片91cは、ガラスパネル取り付け部22、32間の間隙の見込み方向室内側を横切るように形成されている。
第一部材191は、図5からわかるように、見付方向に短い片191a、及び見込み方向に長い片191bである断面略L字状を有する部材である。片191aは、室外側ガラスパネル70の側端部の室外側面を押さえる片も兼ねている。
一方、片191bは、片191aの端部から、縦枠20、縦枠30、片24、34、及びガラスパネル取り付け部22、32により囲まれる空間内にまで室内側に延在する。ここで、片191bの室内側端部は、片21側とは反対側に向かって見付方向に曲げられている。また、片191bの面のうち、片21と対向する側とは反対側の面からは、見込み方向に並列された複数の突起191c、191c、…が設けられている。
第一部材291は、図6からわかるように、ガラスパネル取り付け部22の室内側角部に設けられ、室内側に延在する片である。ここで、第一部材291の室内側端部は、片21側とは反対側に向かって見付方向に曲げられている。
ただし、水侵入防止手段390は室外に露出して表れることから、外観の観点から、水侵入防止手段390が縦枠20、30の長手方向に沿って長く延在してもよい。これによっても水侵入防止手段390としての機能は有する。
15 枠体
20 縦枠
21a スリット(流通口)
30 縦枠
31a スリット(流通口)
40 上横枠(横枠)
50 下横枠(横枠)
60 中間横枠(横枠)
70 室外側ガラスパネル(第一のガラスパネル)
75 室内側ガラスパネル(第二のガラスパネル)
90、190、290、390 水侵入防止手段
Claims (4)
- 建物の外周部に配置されるカーテンウォールユニットであって、
横枠及び縦枠により形成される枠体と、
前記枠体により区画される枠内に配置される第一のガラスパネルと、
前記第一のガラスパネルと所定の間隔を有し、該第一のガラスパネルの一方の面に面を対向させて配置され、前記枠体により区画される枠内に具備される第二のガラスパネルと、を備え、
前記枠体、前記第一のガラスパネル、及び前記第二のガラスパネルにより囲まれる中空層が形成され、
前記枠体の前記横枠のうちの1つには前記中空層に通じる流通口が設けられ、前記枠体の前記縦枠のうちの少なくとも1つには前記中空層に通じる流通口が設けられる、カーテンウォールユニット。 - 前記建物に取り付けられる姿勢において、前記縦枠に設けられる前記流通口は、前記横枠に設けられる前記流通口よりも高い位置に具備される請求の範囲第1項に記載のカーテンウォールユニット。
- 前記縦枠には、水侵入防止手段が具備されていることを特徴とする請求の範囲第1項又は第2項に記載のカーテンウォールユニット。
- 請求の範囲第1項~第3項のいずれか一項に記載のカーテンウォールユニットを建物外周に沿って上下左右に並列して形成されるカーテンウォールであって、
上下に配置される前記カーテンウォールユニット間では、前記横枠に設けられた前記流通口から外部に通じる流通路が形成され、
左右に配置される前記カーテンウォールユニット間では、前記縦枠に設けられた前記流通口から外部に通じる流通路が形成される、カーテンウォール。
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WO2013040955A1 (zh) * | 2011-09-20 | 2013-03-28 | 饶淳 | 一种主、次全幕墙结构及构造 |
CN103883046A (zh) * | 2013-11-07 | 2014-06-25 | 江河创建集团股份有限公司 | 断桥隔热自然通风独立单元式幕墙系统 |
CN107780572A (zh) * | 2016-08-30 | 2018-03-09 | 上海力进铝质工程有限公司 | 一种单元幕墙机械通风器系统 |
CN109487938A (zh) * | 2018-12-05 | 2019-03-19 | 力福建材(昆山)有限公司 | 多功能模块化帷幕墙 |
CN110847450A (zh) * | 2019-12-03 | 2020-02-28 | 田汉兰 | 一种具有建筑幕墙通风功能的幕墙玻璃框架结构 |
CN112593648A (zh) * | 2019-10-02 | 2021-04-02 | Ykk Ap 株式会社 | 幕墙及建筑物 |
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KR101292702B1 (ko) * | 2011-09-09 | 2013-08-02 | 주식회사 이건창호 | 커튼월 스팬드럴 구간의 자연순환형 외단열 시스템 |
JP6716277B2 (ja) * | 2016-02-12 | 2020-07-01 | 清水建設株式会社 | ダブルスキンカーテンウォール |
JP7220118B2 (ja) * | 2019-05-15 | 2023-02-09 | 三協立山株式会社 | カーテンウォール |
CN111561091A (zh) * | 2020-05-19 | 2020-08-21 | 湖南中飞幕墙有限公司 | 一种装配式建筑幕墙的安装方法 |
KR102522071B1 (ko) * | 2020-08-11 | 2023-04-14 | (주)에이비엠 | 벽체 패널용 통기모듈 |
JP7077435B2 (ja) * | 2021-02-19 | 2022-05-30 | 三協立山株式会社 | カーテンウォール |
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WO2013040955A1 (zh) * | 2011-09-20 | 2013-03-28 | 饶淳 | 一种主、次全幕墙结构及构造 |
CN103883046A (zh) * | 2013-11-07 | 2014-06-25 | 江河创建集团股份有限公司 | 断桥隔热自然通风独立单元式幕墙系统 |
CN103883046B (zh) * | 2013-11-07 | 2016-08-17 | 江河创建集团股份有限公司 | 断桥隔热自然通风独立单元式幕墙系统 |
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CN109487938A (zh) * | 2018-12-05 | 2019-03-19 | 力福建材(昆山)有限公司 | 多功能模块化帷幕墙 |
CN109487938B (zh) * | 2018-12-05 | 2024-04-16 | 力福建材(昆山)有限公司 | 多功能模块化帷幕墙 |
CN112593648A (zh) * | 2019-10-02 | 2021-04-02 | Ykk Ap 株式会社 | 幕墙及建筑物 |
CN110847450A (zh) * | 2019-12-03 | 2020-02-28 | 田汉兰 | 一种具有建筑幕墙通风功能的幕墙玻璃框架结构 |
CN110847450B (zh) * | 2019-12-03 | 2020-09-22 | 云南建设装饰集团有限公司 | 一种具有建筑幕墙通风功能的幕墙玻璃框架结构 |
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