JP6576881B2 - Building air conditioning - Google Patents

Description

    The present invention relates to air conditioning equipment for buildings.

  An air conditioner installed in a building such as a house is generated by a refrigerant circulated between the outdoor unit and the indoor unit, with an outdoor unit installed outdoors and an indoor unit installed indoors (in the building). The conditioned air (warm air or cold air) is supplied from the indoor unit to the living space in the building to air-condition the living space.

  In the air conditioning system of Patent Document 1, an indoor unit for air conditioning on the second floor is installed in the attic. In addition, a blowout chamber is arranged in the attic of each room, and conditioned air obtained by the indoor unit is supplied to the blowout chamber through a conditioned air supply duct and a branch chamber installed in the attic. Is blown out. Moreover, each room is connected by the communication hole, and the air of each room to be air-conditioned is sucked into the suction chamber through the communication hole and returned to the indoor unit.

JP-A-10-160198

  By the way, in a building, a ceiling roof space can be formed by providing a sloped roof, and equipment for air conditioning equipment such as an indoor unit, a suction duct, a suction chamber, a blowout duct, and a blowout chamber is provided in the ceiling back space. Can be arranged.

  However, the roof of a building includes a composite roof in which a gradient roof such as a flow roof and a land roof are combined. In buildings with complex roofs, air conditioning equipment such as ducts and chambers can be placed in the ceiling space on the sloped roof side, but it is difficult to install air conditioning equipment in the space behind the ceiling on the flat roof side. ing.

  This invention is made | formed in view of the said fact, and it aims at providing the air-conditioning equipment of the building provided in the building of the mixed roof containing a land roof.

  A first aspect for achieving the above object includes: an indoor unit disposed above a ceiling frame on the sloped roof side of a building including a sloped roof and a flat roof; and a lower side of the ceiling frame on the land roof side of the building. Connected to the air conditioning equipment on the flat roof side installed in the falling ceiling portion configured to include the ceiling plate, and the indoor unit and the air conditioning equipment equipment on the flat roof side, and disposed in the falling ceiling portion And a duct through which conditioned air is passed.

  In the first aspect, the indoor unit and the air conditioning equipment including the blowout chamber are connected by a duct, and the conditioned air generated by the indoor unit is supplied to the air conditioning equipment through the duct. The air-conditioned space is air-conditioned. The roof of the building is a so-called mixed roof construction in which a land roof and a sloped roof with a sloped roof are formed. In the sloped roof, a ceiling back space can be formed above the ceiling frame. Also, the building has a falling ceiling part on the flat roof side, and the falling ceiling part is provided with a ceiling board below the ceiling frame, and a space is provided between the ceiling frame and the ceiling board. Yes.

  Here, the indoor unit is arranged above the ceiling frame on the sloped roof side, and the air-conditioning equipment on the flat roof side is lowered and installed in the ceiling part. In addition, the duct is connected to the indoor unit and is disposed in the falling ceiling part, and the conditioned air generated by the indoor unit is passed therethrough.

  Thereby, in a building with a mixed roof, even if the indoor unit is arranged in the ceiling back space on the sloped roof side, the air-conditioned air on the land roof side can be supplied to the air-conditioning equipment on the land roof side to air-condition the air-conditioned space on the land roof side. .

  According to a second aspect, in the first aspect, the falling ceiling portion extends from the flat roof side to the middle of the sloped roof.

  In the 2nd mode, the falling ceiling part provided in the flat roof side is extended in the slope roof side. Further, the descending ceiling portion on the sloped roof side is a position up to the middle of the sloped roof. In a building, the descending ceiling portion is formed by lowering at least a part of the ceiling in a space such as a living room, a hallway, and a storage compartment partitioned by a partition wall. By providing such a falling wall, the living space is slightly narrowed.

  Here, it is possible to prevent the living space in the building from being narrowed by the descending ceiling portion by setting the range in which the descending ceiling portion is extended to the middle of the gradient roof on the gradient roof side.

  According to a third aspect, in the second aspect, the duct is routed through a portion of the ceiling frame on the sloped roof side that is located in an extending portion of the lowered ceiling part toward the sloped roof side. ing.

  In the third aspect, the duct is routed through the ceiling frame at a site where the ceiling frame on the sloped roof side is located in the extended part of the falling ceiling part extended to the sloped roof side.

  As a result, it is not necessary to form a falling ceiling in the part where the duct penetrates the ceiling frame on the sloped roof side, and it is necessary to form a lowered ceiling for routing the duct into the falling ceiling part on the sloped roof side. Absent. Therefore, complicated unevenness does not occur on the ceiling formed in the building, and the appearance of the ceiling can be prevented from being impaired.

  As described above, according to the first aspect, in the building of the mixed roof including the flat roof, even if the indoor unit is arranged in the ceiling back space on the gradient roof side, the air-conditioned space on the flat roof side can be air-conditioned. The effect is obtained.

  According to the 2nd aspect, the effect that it can suppress that the living space in a building is narrowed by the falling ceiling part is acquired.

  In the 3rd mode, the effect that it can control that the shape of the ceiling of a building becomes complicated is acquired.

It is the schematic block diagram which looked at the inside of the building which concerns on this Embodiment. It is a perspective view which shows the outline of the unit for living rooms and the unit for roofs which form a building. It is a perspective view which shows the outline of arrangement | positioning of the equipment equipment of an air conditioning facility.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 shows a schematic configuration of a building 10 according to the present embodiment in a side view. The building 10 according to the present embodiment is a united house. In FIG. 2, the units forming the building 10 are shown in a perspective view.

  As shown in FIG. 1, the building 10 is a two-story building, and the roof is a mixed roof of the sloped roof 12 and the land roof 14, and is divided into the sloped roof 12 and the land roof 14 at the boundary portion 14 </ b> A. . As shown in FIG. 2, the building 10 is provided with a plurality of room units 16 and a roof unit 18. In the building 10, a plurality of room units 16 are arranged in the horizontal direction (vertical and horizontal) and are vertically stacked, and the room units 16 adjacent to each other in the vertical and horizontal and vertical directions are connected to each other so that the first floor portion and the second floor A part is formed. In addition, the building 10 has a sloped roof 12 formed by connecting a roof unit 18 on a room unit 16 on the second floor portion, and the room unit 16 on the opposite side of the sloped roof 12 in the boundary portion 14A. A flat roof 14 is formed in the upper part. The sloped roof 12 may be formed on the room unit 16 using a steel frame or the like.

  The room unit 16 is provided with four frame side columns 20, a ceiling frame 22 is formed on the upper part of the four frame side columns 20, and a floor is formed on the lower side of the four frame side columns 20. A frame 24 is formed. The ceiling frame 22 has a rectangular frame shape in which the ends of the pair of girder ceiling beams 26 </ b> A and the pair of end ceiling beams 26 </ b> B are rigidly joined to the joining member 20 </ b> A on the frame side column 20. Further, the ceiling frame 22 has a plurality of ceiling beams 26C, each of which is parallel to the end ceiling beam 26B, disposed between the girder ceiling beams 26A, and each end of the ceiling beam 26C has a girder ceiling beam. 26A. Thereby, the ceiling frame 22 is formed in a substantially ladder shape.

  The end portions of the pair of girder floor beams 28A and the pair of floor floor beams 28B are rigidly joined to the floor frame 24 to a joining member 20B below the frame side column 20 to form a rectangular frame shape. The floor frame 24 has a plurality of floor beams 28C each arranged in parallel with the girder floor beam 28B, and is arranged between the girder floor beams 28A, and each end of the floor beam 28C has a girder floor beam. It is joined to 28A. Thereby, the floor frame 24 is formed in a substantially ladder shape.

  In the room unit 16, the ceiling plate 30 is disposed on the ceiling base beam 26 </ b> C of the ceiling frame 22 as a ceiling base or suspended from the ceiling small beam 26 </ b> C to form a ceiling. Further, in the room unit 16, a floor plate 32 is arranged on the floor foundation by using the floor beam 28C of the floor frame 24 as a floor foundation or a joist (not shown) arranged on the floor beam 28C as a floor foundation. Is done. The floor may be formed by spreading a heat insulating material between joists placed on the floor frame 24 and stacking a plurality of plates (floor plate 32) on the heat insulating material.

  As the sloped roof 12, an arbitrary form such as a gable roof, a dormitory roof, a single-flow roof can be applied. In the present embodiment, a single-flow roof is applied as the sloped roof 12. As shown in FIG. 2, the roof unit 18 is provided with two frame side columns 36 and a roof frame 38, and the two frame side columns 36 are arranged on the ridge side. The roof frame 38 is provided with a ridge beam 38A, an eaves beam 38B, and a pair of upper beam beams 38C. Each end of the upper beam beam 38C is connected to an end portion of the ridge beam 38A and the eave beam 38B. It is joined to the end. Thereby, the roof frame 38 is formed in the rectangular frame shape. In addition, a plurality of roof beams 38D parallel to the wife upper beam 38C are provided between the building beam 38A and the eaves beam 38B, and each of the roof beam 38D is connected to the building beam 38A and the eaves beam 38B. It is joined to the beam 38B.

  Further, the roof unit 18 is provided with a ridge lower beam 38E parallel to the ridge upper beam 38A, and a pair of lower beam 38F whose longitudinal direction is arranged in the horizontal direction. The upper part of the frame side column 36 is joined to the end of the ridge upper beam 38A, and the lower end of the ridge lower beam 38E is connected to the lower part. Further, one end of the lower end beam 38F is joined to the lower part of the lower ridge beam 38E, and the other end is connected to the end of the eaves beam 38B. Thereby, as for the unit 18 for roofs, the side surface seen from the wife side is made into a triangle shape, and the roof frame 38 is inclined so that the building beam 38A side may become an upper side.

  The roof unit 18 is disposed on the room unit 16 on the second floor, and the lower end portion of the frame side column 36 is rigidly joined to the upper end portion of the frame side column 20 of the room unit 16. In addition, the roof unit 18 has the eaves beam 38B disposed above the end ceiling beam 26B (may be a girder ceiling beam 26A) of the room unit 16 on the second floor and is rigidly joined to the upper end of the frame side column 20. . In the roof unit 18, the lower end portion of the frame side column 36 is joined to the girder ceiling beam 26A or the wife ceiling beam 26B of the living room unit 16, and the frame side column 20 of the living room unit 16 is connected to the lower beam 38F. The upper end may be joined.

  The roof unit 18 is covered with a roof frame 38 as a base and a roof member such as a roof panel (not shown). Thereby, the gradient roof 12 made into a single-flow roof is formed, and the building 10 can form a ceiling back space above the room unit 16 to which the roof unit 18 is assembled.

  The room unit 16 has a small space such as a corridor or a container, as the interior of the living room 16 is partitioned by a partition wall. In addition, a plurality of living room units 16 are communicated in the horizontal direction, thereby forming a larger room or the like than one living room unit 16.

  In FIG. 1, a hallway 16 </ b> A is formed by being partitioned by a partition wall 34, a living room 16 </ b> B is formed on the slope roof 12 side, and a living room 16 </ b> C is formed on the land roof 14 side. It is a position straddling the flat roof 14. In addition, the ceiling 10 is attached to the building 10 with the ceiling frame 22 on the lower side of the gradient roof 12 as a base, so that ceilings of the corridor 16A and the living room 16B are formed, and the ceiling back space 12A is formed in the gradient roof 12. Is formed.

  On the other hand, the building 10 is provided with an air conditioning facility 40 as an air conditioning facility, and the air conditioning facility 40 forms the entire building air conditioning facility. FIG. 3 is a perspective view showing a schematic configuration of the air conditioning equipment 40 in the building 10.

  As shown in FIGS. 1 and 3, the air conditioning equipment 40 is composed of a plurality of air conditioning equipment. The air conditioning equipment includes an indoor unit 42 as an indoor unit and an outdoor unit (not shown) as an outdoor unit, and the outdoor unit is installed outside (outdoors) of the building 10. In the present embodiment, the indoor unit 42 is mainly responsible for air conditioning on the floor (second floor) of the building 10. The air conditioner 40 may be provided with an indoor unit that is responsible for air conditioning of the downstairs (first floor) air conditioning space, and the building 10 is provided with an air conditioner that is responsible for downstairs air conditioning separately from the air conditioner 40. It may be provided.

  The indoor unit 42 is integrally provided with a heat exchange unit 42A and a blower unit 42B provided with a fan (not shown). The heat exchange unit 42A is connected to the outdoor unit by a refrigerant pipe (not shown). The refrigerant is circulated between the outdoor unit and the refrigerant pipe.

  The air conditioning equipment 40 is provided with a suction chamber 44 and a plurality of blow-out chambers 46 on the sloped roof 12 side as air conditioning equipment, and a plurality of air conditioning equipment on the land roof 14 side as air conditioning equipment. A blowout chamber 48 and a branch chamber 50 are provided. The air conditioning equipment 40 is provided with a suction duct 52 and a plurality of outlet ducts 54, 56, and 58 as air conditioning equipment. The blowout duct 56 is a duct, and the blowout chamber 48, the branch chamber 50, and the blowout duct 58 are air-conditioning equipment on the side of the flat roof 14 (hereinafter collectively referred to as equipment 60). The indoor unit 42 and the equipment 60 are connected. Cylindrical heat-insulating flexible ducts are used as the suction duct 52 and the blowout ducts 54 to 58, and the inner diameter of the suction duct 52 is larger than the inner diameter of the blowout ducts 54 to 58.

  One end of the suction duct 52 is connected to the suction chamber 44, and the other end of the suction duct 52 is connected to the blower unit 42 </ b> B of the indoor unit 42. In addition, one end of the blowout duct 54 is connected to the blowout chamber 46, and the other end of the blowout duct 54 is connected to the heat exchange unit 42 </ b> A of the indoor unit 42.

  One end of the blowout duct 56 is connected to the branch chamber 50, and the other end of the blowout duct 56 is connected to the heat exchange unit 42 </ b> A of the indoor unit 42. In addition, one end of a blowout duct 58 is connected to each blowout chamber 48, and the other end of the blowout duct 58 is connected to the branch chamber 50. In the present embodiment, the branch chamber 50 is provided. However, when the number of the blowout chambers 48 is small, such as one, the blowout duct 56 may be connected to the blowout chamber 48 without providing the branch chamber 50. . The branch chamber may also be provided on the sloped roof 12 side.

  Air in the building 10 is sucked into the indoor unit 42 through the suction chamber 44 by operating a fan (not shown) of the blower unit 42 </ b> B. In the heat exchange unit 42A of the indoor unit 42, heat exchange is performed between the air sucked into the blower unit 42B and the refrigerant to generate conditioned air (warm air or cold air). In addition, conditioned air generated by the heat exchanging unit 42A is supplied to the blowing ducts 54 and 56, whereby conditioned air is supplied to each of the blowing chambers 46 and 48, and air conditioning is performed from each of the blowing chambers 46 and 48. Air is blown out.

  On the other hand, the indoor unit 42 is disposed in the ceiling back space 12A, which is a non-air-conditioned space, and the indoor unit 42 is supported by the girder ceiling beam 26A or the wife ceiling beam 26B of the room unit 16. Moreover, in the air conditioning equipment 40, the suction chamber 44 is provided in the ceiling back space 12A of the corridor 16A, and the blowing chamber 46 is provided in the ceiling back space 12A of the living room 16B. The blowout chamber 44 and the suction chamber 46 are attached to the ceiling frame 22 or the upper side of the ceiling frame 22, and positions corresponding to the suction chamber 44 and the blowout chamber 46 are opened on the ceiling plate 30 and are not shown. A grill is installed. Further, in the air conditioning equipment 40, the suction duct 52 and the blowout duct 54 are routed in the ceiling back space 12A.

  Thereby, the suction chamber 44 is opened toward the hallway 16A, and the air in the hallway 16A is sucked into the indoor unit 42 from the suction chamber 44. Moreover, the blowing chamber 46 is opened toward the living room 16B, and conditioned air is blown from the blowing chamber 46 to the living room 16B. The indoor unit 42 sucks and takes in the air in the hallway 16A through the suction chamber 44 and the suction duct 52, but is not limited thereto. When the indoor unit 42 is arranged above the corridor 16A, an opening toward the corridor 16A is formed in the indoor unit 42, and the air in the corridor 16A is replaced with the suction chamber 44 from the opening or together with the suction chamber 44. It is good also as a structure which inhales.

  On the other hand, the flat roof 14 is formed slightly above the ceiling frame 22 of the room unit 16. In the air conditioner 40, the blowout chamber 48 and the branch chamber 50 are arranged below the ceiling frame 22 on the flat roof 14 side, and the blowout duct 58 is routed below the ceiling frame 22 on the flat roof 14 side.

  In the blowout duct 56, the branch chamber 50 side which is the flat roof 14 side is routed below the ceiling frame 22, and the indoor unit 42 side which is the sloped roof 12 side is in the ceiling back space 12A where the ceiling frame 22 is above. It has been routed. The intermediate portion of the blowout duct 56 is passed between the ceiling beams 26C (see FIG. 2) of the ceiling frame 22 on the side of the gradient roof 12 with respect to the boundary portion 14A between the gradient roof 12 and the land roof 14.

  On the other hand, the building 10 has a ceiling portion 62 that is lowered below the ceiling frame 22. A ceiling base (not shown) is formed on the lowered ceiling 62 at a position lowered from the ceiling frame 22 by a predetermined height, and the ceiling plate 30 is attached to the ceiling base.

  Thereby, in the falling ceiling part 62, when the ceiling height which is the height from the floor surface (floor board 32) to the ceiling (ceiling board 30) is the ceiling frame 22 as a base, the ceiling board 30 is attached (for example, It is made lower than the ceiling of the living room 16B side. Each of the equipment devices 60 is accommodated in the falling ceiling portion 62, and each of the equipment devices 60 is hidden by the ceiling plate 30 of the falling ceiling portion 62.

  The descending ceiling portion 62 only needs to have a space that can accommodate the equipment 60 between the ceiling frame 22 and the ceiling plate 30. The height from the floor, the range on the plane, the plane shape, and the like are as follows. The aesthetics of the living room 16C, the design of the living room 16C, and the like may be taken into consideration. In the building 10, the arrangement of the equipment 60 is determined based on the layout on the floor, so that the falling ceiling 62 may be formed according to the arrangement of the equipment 60. May be determined according to the position of the descending ceiling portion 62.

  For example, when the facility device 60 is provided or passes through a narrow space such as a corridor, a container, or a bathroom, it is preferable that the falling ceiling portion 62 is formed by lowering the entire ceiling of the space. As a result, it is possible to prevent unevenness from being formed on the ceiling surface in a narrow space, resulting in a complicated shape, or the appearance of the space from being impaired.

  Further, when the ceiling part 62 is formed in a wide space such as the living room 16C, it is preferable that the ceiling part 62 is lowered, and various conditions such as design, aesthetics, convenience, and atmosphere of the living room 16C are satisfied. More preferably, it is formed in consideration. Thereby, it is possible to prevent a sense of incongruity or the like from occurring by providing the ceiling portion 62 in the living room 16C.

  Further, the falling ceiling part 62 is formed in consideration of the design of the living room 16C, the lighting effect, etc. without considering the arrangement of the air conditioning equipment, and the equipment 60 is arranged in accordance with the formed falling ceiling part 62. You may make it do.

  As shown in FIG. 1, the partition wall 34 on the side of the corridor 16A of the living room 16C is on the sloped roof 12 side with respect to the boundary portion 14A, and the falling ceiling portion 62 is formed on the partition wall 34 and the wall on the outdoor side. It is provided between. Moreover, the falling ceiling part 62 is provided along the wall surface which has linked the partition wall 34 and the outdoor side wall door. Thereby, the falling ceiling part 62 is extended to the middle of the sloped roof 12 from the flat roof 14 side to the sloped roof 12 side, and the part by the side of the sloped roof 12 is made into the extended part 62A. ing. The blowout duct 56 is routed so as to penetrate the ceiling frame 22 in the extending portion 62A.

  The blowout chamber 48 has an opening that is lowered toward the ceiling plate 30 of the ceiling portion 62, and the ceiling plate 30 has an opening (not shown) at a position corresponding to the blowout chamber 48. A grill (not shown) is arranged. Thereby, the blowing chamber 48 is opened toward the living room 16C, and the conditioned air supplied through the blowing ducts 56 and 58 is blown out from the blowing chamber 48 to the living room 16C.

  The blowout chamber 48 provided in the falling ceiling portion 62 is provided at a rising portion (side surface of the falling ceiling portion) between the ceiling having a normal height and the lower surface of the falling ceiling portion 62, and the side surface of the falling ceiling portion 62. The conditioned air may be blown into the living room 16C. In the living room 16 </ b> C, a blowout chamber 48 may be arranged so that conditioned air is blown out from the lower surface of the falling ceiling portion 62 and the side surface of the falling ceiling portion 62.

  The partition wall 34 that partitions the corridor 16A and the living rooms 16B and 16C is formed with a vent 34A as a vent means. When the conditioned air is blown out from the blow-out chambers 46 and 48, the air in the living rooms 16B and 16C flows out to the corridor 16A through the vent hole 34A. Thereby, conditioned air is circulated between the indoor unit 42, the living room 16B (or the living room 16C), and the hallway 16A, and the hallway 16A is air-conditioned together with the living rooms 16B and 16C.

Next, the operation of this embodiment will be described.
The indoor unit 42 of the air conditioning equipment 40 sucks air in the corridor 16 </ b> A through the suction chamber 44 to generate conditioned air, and supplies it to the blowout chambers 46 and 46 through the blowout duct 54 and the blowout ducts 56 and 58. Thereby, the living rooms 16B and 16C and the corridor 16A are air-conditioned by the conditioned air blown from the blowing chambers 46 and 48.

  Here, the indoor unit 42, the suction chamber 44, the blowout chamber 46, the suction duct 52, and the blowout duct 54 are arranged on the upper side of the ceiling frame 22 on the sloped roof 12 side of the building 10. It is accommodated in the space 12A. Thereby, in the slope roof 12 side of the building 10, it is suppressed that the air-conditioning equipment 40 narrows a living space.

  On the flat roof 14 side of the building 10, facility equipment 60 (a blowout chamber 48, a branch chamber 50, and a blowout duct 58) is disposed below the ceiling frame 22. The living room 16 </ b> C on the flat roof 14 side of the building 10 is provided with a descending ceiling part 62, and the equipment 60 is accommodated in the descending ceiling part 62. Further, a blowout duct 56 connected to the indoor unit 42 is routed in the descending ceiling portion 62, and this blowout duct 56 is connected to the equipment 60 (branch chamber 50).

  Thereby, in the air conditioning equipment 40, the equipment 60 is arranged on the flat roof 14 side of the building 10 where the gap above the ceiling frame 22 is narrow, and the air conditioning equipment 40 is arranged in the ceiling back space 12A of the building 10. The living room 16C on the side of the flat roof 14 can be air-conditioned by the conditioned air supplied from the existing indoor unit 42. In addition, since the descending ceiling portion 62 does not have to be dedicated to the equipment 60 of the air conditioning equipment 40, it is possible to prevent the living space from being narrowed only by providing the equipment 60 on the land roof 14 side.

  The extending part 62A of the descending ceiling part 62 extends to the lower side of the sloped roof 12, and the blowout duct 56 is routed through the ceiling frame 22 in the extending part 62A. Thereby, it can suppress that the descent | fall ceiling part 62 for accommodating the blowing duct 56 expands greatly to the gradient roof 12 side, and narrows the living space by the gradient roof 12 side. And since the continuous blowing duct 56 is used, it can suppress that the ventilation resistance of conditioned air falls.

  Furthermore, since the descending ceiling portion 62 is not provided only on the flat roof 14 side but is extended on the slope roof 12 side, the portion where the blowout duct 56 is routed from the upper side to the lower side of the ceiling frame 22 is the slope roof 12. It can suppress deteriorating the beauty of the living space on the side.

  In addition, when there is no corridor 16A between the living room 16B and the living room 16C and the room 16B and the living room 16C are partitioned by one partition wall 34, the partition wall 34 in the falling ceiling portion 62 is connected to the living room 16B. You may provide the blowing chamber opened toward. Thereby, since the conditioned air is blown out from the blowing chamber 46 and the blowing chamber of the falling ceiling portion 62 to the living room 16B on the sloped roof 12 side, the air conditioning efficiency of the living room 16B can be improved.

  In the above-described embodiment, the unit type building 10 has been described as an example. However, the building is not limited to the unit type, and the ceiling frame may be formed by a ceiling beam using wood or the like. good. In a flat roof, a roof material is attached on a ceiling frame formed of ceiling beams, and a ceiling plate is attached to the ceiling frame formed of ceiling beams. For this reason, when the flat roof is formed so as to be placed on the ceiling beam, it may be difficult to arrange the equipment 60 in the space behind the ceiling. Even in such a building, by forming a descending ceiling part and accommodating the equipment 60 in the descending ceiling part, it is possible to air-condition the living space on the flat roof side by an indoor unit provided in the ceiling back space of the sloped roof. it can.

DESCRIPTION OF SYMBOLS 10 Building 12 Gradient roof 12A Ceiling back space 14 Land roof 14A Boundary part 16 Unit for living room 16A Corridor 16B, 16C Living room 18 Unit for roof 22 Ceiling frame 30 Ceiling board 34 Partition wall 40 Air conditioner 42 Indoor unit 48 Blowing chamber (on roof side) Air conditioning equipment)
50 Branch chamber (air conditioning equipment on the flat roof side)
56 Blowout duct (duct)
58 Blowout duct (air-conditioning equipment on the flat roof side)
60 Equipment (Air-conditioning equipment on the flat roof side)
62 Falling ceiling part 62A Extension part

Claims (3)

An indoor unit disposed on the upper side of a ceiling frame on the sloped roof side of a building including a sloped roof and a flat roof;
Air-conditioning equipment on the flat roof side installed in a falling ceiling portion configured to include a ceiling plate arranged on the lower side of the ceiling frame on the flat roof side of the building;
The connected are routed into the edge ceiling to the air conditioning equipment of the indoor unit and the flat roof side, a duct conditioned air is passed,
The duct is arranged in an extended part in which the lowered ceiling part extends from the flat roof side to the lower side of the ceiling frame on the sloped roof side, and is arranged in the lowered ceiling part. Air conditioning equipment. 2. The building air conditioner according to claim 1, wherein the extended portion extends from the flat roof side to a partition wall below the sloped roof. Said duct, said at ceiling frame pitched roof side, building air-conditioning installation according to claim 1 or claim 2 is routed through the site located on the extending portion.