JP7387255B2 - Whole building air conditioning system - Google Patents

Description

The present invention relates to a whole building air conditioning system for air conditioning and ventilation of an entire building such as a general residence.

Conventionally, various technologies have been developed for whole-building air conditioning systems that air condition and ventilate the entire interior of a building. ” and “forced ventilation house” described in Patent Document 2.

In the "underfloor ventilation structure for a building" described in Patent Document 1, the underfloor space of a building is formed into a sealed space, the underfloor space and the room are communicated through an air inlet, and the air in the underfloor space is forced to the outdoors. It is characterized by being provided with an exhaust system for discharging the air.

The "forced ventilation house" described in Patent Document 2 has an airtight underfloor space, a room formed above the underfloor space, a ventilation path that communicates the room with the underfloor space, and a space inside the underfloor space. The exhaust system includes an exhaust port for discharging the gas to the outside, and an exhaust device that maintains the inside of the underfloor space in a negative pressure state by forcibly discharging the gas in the underfloor space to the outside through the exhaust port.

Japanese Patent Application Publication No. 2002-70193 Japanese Patent Application Publication No. 3-99147

The "underfloor ventilation structure of a building" described in Patent Document 1 uses the underfloor space as an exhaust route, and only one air conditioner is installed in the attic space. Since the air conditioning capacity for one building is guaranteed, the air conditioner has to be large in size, and it is necessary to secure a place to install it in the attic space, making construction difficult. Furthermore, since the ventilation system is hidden within the ceiling, it is troublesome to install it by hanging it.

The "forced ventilation house" described in Patent Document 2 ventilates the room by installing a ventilation device in the underfloor space and using the underfloor space as an exhaust route, but it does not have an air conditioning function. Not yet.

Therefore, the problem to be solved by the present invention is to provide a structure that has both air conditioning and ventilation functions, is easy to apply to buildings based on conventional design methods, is easy to construct, and reduces the burden on air conditioners. Our goal is to provide a whole-house air conditioning system that can reduce the

The whole building air conditioning system according to the present invention includes:
Air conditioners placed inside the building,
an air outlet provided in at least one region for supplying conditioned air generated by the air conditioner to a plurality of regions formed in the building;
a duct that communicates the air conditioner and the air outlet;
A whole building air conditioning system comprising: a ventilation device that ventilates the inside of the building;
A ceiling surface in at least one of the areas selected in order from the areas with the highest priority is set, and a priority is set for a plurality of the areas where it is assumed that the resident's stay time is short. The air conditioner is arranged in an attic space above the ceiling.

Here, the "area" refers to a part of a floor plan provided in a building that is at least partially partitioned by walls.

With such a configuration, installation space for the air conditioner can be easily secured, and there is no need to provide a separate air conditioner room. In addition, by placing the air conditioner in the attic above the ceiling surface in an area that is prioritized based on the shortness of the resident's stay, the operating noise of the air conditioner is reduced even when the resident stays for a long time. Since it is difficult to reach the area, quietness is improved and the comfort of the occupants is also increased. By locating the air conditioner in the attic space, an area where residents spend relatively little time, it is possible to avoid increasing the height of the building to secure space for the air conditioner, thereby reducing the need for increased construction materials. It can be prevented.

In the whole-house air conditioning system, areas selected based on the priority, which prioritizes areas where residents are expected to stay for a short time, can be used as common areas other than living rooms.

With such a configuration, the operating noise of the air conditioner placed in a common area other than the living room becomes difficult to reach the living room, so it is possible to improve the quietness for the residents staying in the living room.

In the whole-house air conditioning system, the common area may include one or more of an entrance hall, a hallway, a storage room, a toilet, a dressing room, and a washroom.

With this configuration, the air conditioner would be installed in an essential part of the floor plan of a general building, so it would be possible to install the air conditioner in an essential part of the floor plan of a general building, without making any major changes to the conventional building design method (design concept). , it becomes possible to construct a whole-house air conditioning system, and an increase in construction costs can be avoided.

In the whole building air conditioning system, the air conditioner can be arranged in an attic space above a lower ceiling formed at a position lower than a ceiling surface in the area.

With this configuration, the air conditioner is placed in the attic space above the lower ceiling (dropped ceiling) that is formed at a position lower than the ceiling surface, so the air conditioner can be installed without affecting the floor plan of the building. The installation space can be secured. Since the operating noise of the air conditioner is less likely to reach areas where residents spend a long time, the quietness of the living space can be further improved.

In the whole building air conditioning system, the air outlet may be arranged on a wall surface adjacent to an attic space above a lower ceiling formed at a position lower than a ceiling surface in the area.

With such a configuration, the ducts can be concentrated in the attic space above the lower ceiling, and a chamber for connecting the duct and the air outlet can be accommodated in the attic space. , the chamber fits well.

In the whole building air conditioning system, the air outlet can be arranged at a portion located at the shortest distance from the air conditioner.

With this configuration, the duct route can be minimized, resulting in low pressure loss, reducing the burden on the air conditioner, and also reducing duct materials and simplifying the construction process. can.

The present invention provides whole-house air conditioning that has both air conditioning and ventilation functions, is easy to apply to buildings based on conventional design methods, is easy to construct, and can reduce the burden on air conditioners. system can be provided.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a partially omitted vertical sectional view showing a schematic configuration of a central air conditioning system according to an embodiment of the present invention. It is a partially omitted enlarged view of the portion indicated by the arrow X in FIG. 1. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a partially omitted horizontal sectional view showing the first floor of a building equipped with a central air conditioning system according to an embodiment of the present invention. 4 is a partially omitted horizontal sectional view of the second floor of the building shown in FIG. 3. FIG. 4 is a partially omitted horizontal sectional view of a portion including an attic space of the building shown in FIG. 3, which is equipped with a whole-house air conditioning system according to an embodiment of the present invention. FIG. FIG. 4 is a partially omitted plan view of the underfloor space of the building shown in FIG. 3 when viewed from a direction corresponding to the direction of arrow V in FIG. 1. FIG. 7 is a partially omitted vertical sectional view seen from the arrow S direction in FIG. 6. FIG. 7 is a partially omitted horizontal sectional view showing a moving state of the ventilation device shown in FIG. 6. FIG. 3 is a partially omitted perspective view of the vicinity of the chamber shown in FIG. 2. FIG. 10 is a partially omitted front view of the line-shaped air outlet seen from the arrow Y direction in FIG. 9. FIG. 11 is a side view showing the function of the line-shaped air outlet shown in FIG. 10. FIG. It is a schematic diagram which shows the function of the line type air outlet when it sets to the state shown in FIG.11(b). It is a schematic diagram which shows the function of the line type air outlet when it sets to the state shown in FIG.11(c). 4 is a vertical sectional view showing the vicinity of the boundary between a dressing room and a common area provided in the building shown in FIG. 3. FIG. 15 is a partially omitted view seen from the arrow Z direction in FIG. 14. FIG. FIG. 3 is a partially omitted vertical sectional view showing a schematic configuration of a central air conditioning system according to another embodiment of the present invention. 17 is a partially omitted horizontal cross-sectional view showing the air conditioning equipment in the first floor ceiling of the building shown in FIG. 16. FIG. 17 is a partially omitted horizontal cross-sectional view showing the air conditioning equipment in the second floor ceiling portion of the building shown in FIG. 16. FIG. FIG. 17 is a partially omitted horizontal sectional view showing the underfloor ventilation equipment of the building equipped with the central air conditioning system shown in FIG. 16. FIG. 3 is a partially omitted vertical sectional view showing a schematic configuration of a central air conditioning system according to another embodiment of the present invention. 21 is a partially omitted horizontal cross-sectional view of the attic portion of the first floor of the building equipped with the central air conditioning system shown in FIG. 20. FIG. 21 is a partially omitted horizontal sectional view of the lower part of the second floor of the building shown in FIG. 20. FIG. 21 is a partially omitted horizontal cross-sectional view of the attic portion of the second floor of the building shown in FIG. 20. FIG. 21 is a partially omitted horizontal cross-sectional view of the attic portion of the third floor of the building shown in FIG. 20. FIG. FIG. 7 is a partially omitted horizontal sectional view showing a schematic configuration of the lower part of the first floor of a building equipped with a central air conditioning system according to another embodiment of the present invention. FIG. 26 is a partially omitted horizontal cross-sectional view showing a schematic configuration of the attic portion on the first floor of the building equipped with the whole-house air conditioning system shown in FIG. 25. FIG.

EMBODIMENT OF THE INVENTION Hereinafter, based on FIGS. 1-26, the central air conditioning system 100, 200, 300, 400 which is an embodiment of this invention is demonstrated.

First, the whole building air conditioning system 100 will be explained based on FIGS. 1 to 15. Note that FIGS. 1 and 2 show a schematic configuration of a whole building air conditioning system 100 that is an embodiment of the present invention, and FIGS. 3 to 5 show an actual building H1 equipped with the whole building air conditioning system 100. , some parts having the same structure or function are given the same reference numerals. Moreover, the areas with mesh in FIGS. 3 and 4 represent the lower ceilings 11c and 12c.

Generally, the temperature setting of a building's air conditioning system is determined by the room temperature of the room where the air conditioner is located, so if an air conditioner is installed in each room, the temperature setting of the room where the air conditioner is installed will be set before the entire building is air conditioned. As a result, the entire building does not reach an appropriate temperature, resulting in a situation where the air conditioning is difficult to operate. Therefore, in the whole building air conditioning system 100 of this embodiment, one air conditioner 10, 20 is placed in the common areas 11, 12 on each floor.

Specifically, in the case of the whole building air conditioning system 100, a priority is set such that the area where residents are expected to stay for a short time is prioritized among multiple areas provided in the building H1. The common areas 11 and 12 are selected as a certain area, and air conditioning is carried out in the attic spaces 11a and 12a above the lower ceilings 11c and 12c, which are formed at a lower position than the ceiling surface of the common areas 11 and 12 (other than the living rooms). Machines 10 and 20 are arranged.

As mentioned above, when setting the priority of multiple areas in building H1 to prioritize areas where residents are expected to stay for a short time, the area with the highest priority was selected as the common area. 11, 12, but in other words, the common areas 11, 12 are areas in which people can go from this area to other areas (at least a part is partitioned by a wall and has an entrance/exit to the other area). It is also an area where people can move directly. That is, as shown in FIG. 3, the common area 11 is the area on the first floor of the building H1 that has the most entrances to other areas, and as shown in FIG. This is the area that has the most entrances and exits to other areas on the floor.

As shown in FIGS. 1 and 2, the whole building air conditioning system 100 according to the present embodiment includes air conditioners 10, 20, a ventilation system 30 disposed in the underfloor space 13 of the building H1, and rooms R11 and R12, which are living rooms in the building H1, for supplying conditioned air sent from the air conditioners 10 and 20 into the building H1. , R21, R22, respectively, and line-shaped air outlets 14, 14, 14, 14, which are air supply ports provided at R22, respectively, and the first floor of the building H1 for discharging the air inside the building H1 via the underfloor space 13. and exhaust ports 15, 15, 15 provided on the floor surface F1 of the common area 11. An outdoor unit 21 is arranged outside the building H1. Furthermore, a storage room 29, an intermediate duct fan 41, and the like are provided in the attic space 40 above the second floor of the building H1.

In addition, in the case of the whole building air conditioning system 100, contrary to the above-mentioned priority, a priority is set such that the area where residents are expected to stay for a long time is given a higher priority among multiple areas in the building H1. The air outlet 14 is arranged in each of the rooms R11, R12, R21, and R22, which are areas selected in order from the uppermost area. Specifically, a priority coefficient is set according to the resident's stay time, usage priority, and area of multiple areas (including occupied rooms, non-occupied common areas, etc.) in the building H1, and the priority coefficient is The air outlet 14 is arranged preferentially by selecting the area in the order of magnitude (higher position).

In addition, as shown in Figure 3, based on the results of calculating the required air volume from the relationship between the priority of areas where residents are expected to stay for a long time and the size (volume) of the area, , two air outlets 14, 14 and a branch air outlet 14s are installed, and the entrance hall 47 is provided with the branch air outlet 14s.

Three ducts 23, 23, 23 are connected to the air conditioner 10, the downstream sides of two of these ducts 23, 23 are connected to the air outlets 14, 14, respectively, and the downstream side of the remaining one duct 23 is connected to the air outlet 14, 14, respectively. The downstream side is divided into two branch ducts 23s, 23s, and the downstream sides of the branch ducts 23s, 23s are connected to branch outlets 14s, 14s, respectively. The outlet 14 and the branch outlet 14s have the same size, structure, and function.

As shown in FIGS. 4 and 5, three ducts 23, 23, 23 are connected to the air conditioner 20, and the downstream sides of two of these ducts 23, 23 are installed in rooms R21, R22, respectively. It is connected to the air outlets 14, 14. The downstream side of the remaining one duct 23 is divided into two branch ducts 23s, 23s, the downstream side of one branch duct 23s is connected to the branch outlet 14s of room R23, and the downstream side of the other branch duct 23s is connected to the branch outlet 14s of room R23. is connected to the branch outlet 14t of the storage chamber 29.

The air volume of the branch duct 23s, which is split into two from the duct 23, is half of the air volume of the original duct 23, so the air volume of the branch duct 23s, which is split into two from the duct 23, is half of the air volume of the original duct 23. It is possible to suppress the supply of conditioned air to areas where the stay is expected to be short, which is effective in improving air conditioning efficiency and reducing air conditioning energy. In addition, it is possible to supply an appropriate amount of conditioned air to areas where the scale (volume) of the area is small and where the air conditioning load is low, and the temperature distribution within the building H1 can be made uniform.

In addition, by selectively installing the outlet 14 connected to the duct 23 and the branch outlets 14s and 14t connected to the branch duct 23s based on the priority coefficient, air conditioning can be performed according to the size of the area to be air-conditioned. Since the air volume can be set for each area and the interior of the building H1 can be evenly air-conditioned, air-conditioning efficiency can be increased, the occupant's experience can be improved, and air-conditioning energy can be reduced.

The ventilation system 30 has the function of discharging the air inside the building H1 sucked in from the duct 16 via the underfloor space 13 to the outside of the building H1 via the duct 17, and the function of discharging the air inside the building H1 taken in via the duct 18. It has a function of feeding air (outside air) to air conditioners 10 and 20 via air supply ducts 19a and 19b, respectively. In the middle of the duct 18, a filter box 44 containing a filter, which is an outside air purifying means for purifying the outside air taken into the ventilation device 30, is arranged.

In the whole building air conditioning system 100, air outlets 14 are provided to supply conditioned air from the air conditioners 10 and 20 to each room R11, R12, R21, and R22 in the building H1. The air in the rooms R11 and R12 on the first floor flows into the airtight underfloor space 13 via exhaust ports 15 and 15 provided on the floor surfaces F1 and F1 of the rooms R11 and R12, respectively. , is sucked into the duct 16 of the ventilation system 30 and exhausted to the outside of the building H1.

In addition, the air in the rooms R11 and R12 on the first floor flows into the common area 11 via the undercut U provided at the lower edge of the door D, which is the entrance to the respective rooms R11 and R12. It flows into the underfloor space 13 via the exhaust port 15 provided on the floor surface F1 of the portion 11, and is exhausted by the ventilation device 30.

Furthermore, the air in the rooms R21 and R22 on the second floor flows into the common area 12 via the undercut U provided at the lower edge of the door D, which is the entrance to the respective rooms R21 and R22. It flows from the portion 12 to the common area 11 on the first floor, flows into the underfloor space 13 via the exhaust port 15 on the floor surface F1 of the common area 11, and is exhausted by the ventilation device 30.

Air supply ducts 19a and 19b of the ventilation system 30 are connected to air conditioners 10 and 20, and supply outside air to the air conditioners 10 and 20, respectively. The ventilation system 30 is installed in the underfloor space 13 on the first floor, takes in exhaust from the room into the underfloor space 13 through the exhaust port 15 installed on the floor surface F1 on the first floor, and exhausts the underfloor space 13 without ducting. Use as a route.

In this way, by installing the ventilation device 30 in the underfloor space 13, the operation sound of the ventilation device 30 becomes difficult to be transmitted into the room. ) can be kept quiet. Further, since the ventilation device 30 is arranged using the underfloor space 13, there is no need to provide a dedicated installation space for the ventilation device 30, and no additional construction work is required.

By using the underfloor space 13 as an exhaust route, the underfloor space 13 can be ventilated while air conditioning the entire building H1. In addition, since the air-conditioned exhaust gas passes through the underfloor space 13, the underfloor space 13 becomes an environment almost similar to the living room space (interiors of rooms R11, R12, R21, and R22), so the air conditioning load can be reduced. This makes it possible to suppress building deterioration caused by humidity and other factors. Furthermore, since the environment in which the ventilation device 30 is installed becomes favorable, the product life of the ventilation device 30 itself is not impaired.

As shown in FIG. 1, the inspection port 45 formed in the floor surface F1 of the room R11 can be used as an inspection port for the ventilation system 30. In addition, when constructing the whole building air conditioning system 100 in an area with heavy snowfall, the ventilation system 30 is installed between the first and second floors of the building H1, and vent caps (ducts 17, 18 The caps for the openings 17a and 18a) can also be mounted at high locations. In addition, when the ventilation device 30 is installed in the underfloor space 13 of the kitchen K (see FIG. 3) in the building H1, the opening/closing opening 46 of the underfloor storage (see FIG. 3) can also be used as an inspection port.

In the whole building air conditioning system 100, the ventilation device 30 arranged in the underfloor space 13 is a total heat exchanger, and is used to exchange air (exhaust air) from inside the building H1 sucked in via the underfloor space 13 and air taken in from outside the building H1. It has the function of exchanging heat with the air (outside air).

By using the ventilation system 30, it becomes possible to introduce the air sucked in from outside the building H1 via the duct 18 into the building H1 at a temperature close to the room temperature (air conditioning temperature) inside the building H1. , is effective in improving air conditioning efficiency.

In addition, in the whole building air conditioning system 100, the air conditioners 10 and 20 are arranged in the attic spaces 11a and 12a above the lower ceilings 11c and 12c formed in the common areas 11 and 12 in the building H, respectively, and , R12, R21, R22, and R23, an air outlet 14 and a branch air outlet 14s are provided at portions located at the shortest distance from the air conditioners 10, 20 on each floor, respectively. Specifically, the air outlet 14 and the branch air outlet 14s are provided at the upper part of the wall surface W on the hallway 22 side or at the upper portion of the wall surface W on the hallway 22 side of each room R11, R12, R21, R22.

If a thin air conditioner such as a built-in type is used as the air conditioner, the drop of the lower ceilings 11c and 12c can be minimized, the air conditioner will fit better, and the space in the common areas 11 and 12 will be taken care of. It doesn't give any feeling. Further, a storage room 29 or the like can be provided in the attic space 40 to make effective use of the space.

As shown in FIG. 1, when the building H1 is a multi-story residential building, the air conditioners 10 and 20 are provided in the attic spaces 11a and 12a of the common areas 11 and 12 on each floor. If the occupants on the first or second floor of the building H1 are absent and air conditioning is not required, the operation of the air conditioner on the absent floor can be stopped, contributing to energy savings. Furthermore, even if the air conditioning operation is stopped, ventilation operation (24-hour ventilation) continues, so the ventilation requirements of the Building Standards Act can be met.

With the above-described configuration, the whole building air conditioning system 100 does not require a separate air conditioner room, so it can be easily installed. In addition, by installing the air conditioners 10, 20 in the attic spaces 11a, 12a of the common areas 11, 12, which are non-occupied rooms, it is possible to prevent the operating noise of the air conditioners 10, 20 from spreading. It is possible to provide a quiet central air conditioning system for many people.

Furthermore, by installing the air conditioners 10 and 20 in the attic spaces 11a and 12a of the common areas 11 and 12, the air conditioners 10 and 10 can , 20 can be minimized, and the route of the duct 23 can also be minimized, resulting in low pressure loss and the loads on the air conditioners 10 and 20 can be reduced. Furthermore, since the route of the duct 23 is the shortest, the cost of duct materials can be minimized and construction can be simplified, which is effective in reducing costs.

As described above, the whole building air conditioning system 100 has both an air conditioning function and a ventilation function, can be easily adopted in the building H1 constructed based on the conventional design method, is easy to construct, and has an air conditioning function. It is also possible to reduce the burden of 10 and 20. In addition, the whole-house air conditioning system 100 can preferentially air-condition rooms R11, R12, R21, and R22 in which residents are expected to stay for a long time in the building H1, thereby increasing air conditioning efficiency and improving the resident's experience. This improves performance and reduces air conditioning energy.

Furthermore, since the whole building air conditioning system 100 can concentrate the exhaust of air within the entire building H1 to the first floor, it is possible to simplify the exhaust route. Furthermore, the exhaust port 15 is not limited to the case where it is provided on the floor surfaces F1 and F11 of the first floor, but also when it is provided on the ceiling surface of the first floor, or in the case of a one-story building or a building with two or more stories. Also, the exhaust route can be simplified.

As shown in FIGS. 1 and 2, in the whole building air conditioning system 100, a line-type outlet 14 and a branch outlet 14s are used as air supply ports to each room R11, R12, R21, R22, and R23. , the upstream side of the outlet 14 and the branch outlet 14s are connected to the air conditioners 10, 20 via the chamber 24, the duct 23, and the branch duct 23s.

As shown in FIG. 9, the chamber 24 has a portion that continuously widens in the horizontal direction from the connection port 25 with the duct 23 toward the air outlet 14, and a portion that continuously narrows in the vertical direction. It has a rectifying section 26. Note that the air supply port is not limited to the line-shaped air outlet 14, and therefore, for example, a rectangular air outlet may also be used.

In the whole building air conditioning system 100, a line-shaped outlet 14 or a branch outlet 14s as shown in FIG. By using this, the dimensions of the lower ceilings 11c and 12c can be kept to the minimum size. Further, the line-shaped air outlet 14 and the branch air outlet 14s can blow out conditioned air along the ceiling or wall surface of the room, so that the conditioned air is distributed throughout the interior of the room, improving air conditioning efficiency.

In the whole building air conditioning system 100, by using the chamber 24 as shown in FIG. It can be connected suitably. Moreover, the chamber 24 does not interfere with various members (beams, etc.) constituting the lower ceilings 11c and 12c, and fits well.

Furthermore, the conditioned air supplied from the duct 23 can smoothly reach the outlet 14 (branch outlet 14s) by flowing through the chamber 24 having the above-described shape, so that a low pressure loss can be achieved. can. The chamber 24 is constructed by fixing L-shaped metal fittings 24a with long holes, which are removably attached to both sides thereof, to structural members of the building H1 using screws (not shown) or the like. It can be easily installed at a predetermined location.

As shown in FIGS. 10 and 11, the air outlet 14 (branched air outlet 14s) has a rotary curved blade 14X that can adjust the wind direction and air volume. The curved blade 14X includes a shallow gutter-shaped main body 14a, a fan-shaped side plate 14b that closes both ends of the main body 14a, and a plurality of blades arranged at regular intervals in a direction crossing the concave curved surface of the main body 14a. A rib 14c is provided. The curved blade 14X is rotatably held within a square cylindrical frame 14e via a support shaft 14d that projects horizontally from side plates 14b at both ends of the main body portion 14a. The front edge portion 14f of the curved blade 14X becomes a manually operated portion when rotating the curved blade 14X.

Even in the state shown in FIG. 11(a), the front edge 14f of the curved blade 14X protrudes from the front part of the air outlet 14 (branched air outlet 14s) toward the room R12, so that it can be easily manually operated from the room R12 side. can be operated. The plurality of ribs 14c arranged at predetermined intervals on the concave curved surface of the main body part 14a have the function of reinforcing the main body part 14a and the function of rectifying airflow, which will be described later.

At the outlet 14 (branch outlet 14s), the air volume and direction can be adjusted by rotating only one curved blade 14X around the support shaft 14d, which simplifies the structure. can be achieved. Furthermore, when the air conditioner 10 is installed in the attic spaces 11a and 12a above the lower ceilings 11c and 12c, the line-shaped air outlet 14 (branched air outlet 14s) can be installed at the upper part of the wall surface W, so it fits well. Airflow switching operations can also be easily performed.

As shown in FIG. 11(a), when the front edge 14f of the curved blade 14X is pushed in until it comes closest to the front of the frame 14e, the outlet 14 (branch outlet 14s) is closed, but the main body Since a gap G is secured between the rear edge 14g of the portion 14a and the inner surface of the frame 14e, air can pass through the inside of the outlet 14. Note that even when the front edge 14f of the curved blade 14X is pushed in until it comes closest to the front of the frame 14e, the front edge 14f is maintained in a state protruding from the front of the frame 14e.

As shown in FIG. 11(b), when the front edge 14f of the curved blade 14X is slightly pulled out from the front of the frame 14e and set so that the front edge 14f and the rear edge 14g of the curved blade 14X are located on the same horizontal plane, The conditioned air is blown out from the outlet 14 in the horizontal direction. At this time, as shown in FIG. 12, the conditioned air travels along the ceiling C in the air conditioned room (room R12), reaches the wall surface W1 on the opposite side of the wall surface W, and then circulates inside the room R12. Flow. Therefore, during cooling operation in summer, it is desirable to set the curved blades 14X of the air outlet 14 to the state shown in FIG. 11(b).

As shown in FIG. 11(c), when the front edge 14f of the curved blade 14X is pulled out from the front of the frame 14e and lowered to the lowest part, the entire curved blade 14X is exposed, and the conditioned air is transferred to the main body of the curved blade 14X. It is guided by the concave curved surface portion of the air outlet 14a and the rib 14c, and is blown out downward from the air outlet 14 (branched air outlet 14s). At this time, as shown in FIG. 13, the conditioned air descends toward the floor surface F1 in the air-conditioned room (room R12), and flows along the floor surface F1 toward the wall W1 on the opposite side of the wall surface W. . Therefore, during heating operation in winter, it is desirable to set the curved blade 14X of the outlet 14 (branch outlet 14s) to the state shown in FIG. 11(c).

As described above, in the whole building air conditioning system 100, even when the outlet 14 (branch outlet 14s) is closed as shown in FIG. be able to. Therefore, a 24-hour ventilation function can be ensured even in seasons when air conditioning operation is not required, such as the intermediate period between summer and winter. In addition, since the ventilation air volume in 24-hour ventilation is about 0.5 times/h, which is relatively small, the gap G is set as the opening area necessary to spread the airflow throughout the room.

As shown in FIGS. 1, 6, and 7, in the central air conditioning system 100, outside air purifying means (filter box 44 with a built-in filter) for purifying the outside air taken into the ventilation system 30 is arranged in the underfloor space 13. are doing. Therefore, for example, maintenance of the filter box 44 can be performed through the inspection port 27 provided in the floor surface F1 of the room R11 in the building H1, and the work efficiency is also good. In addition, since the filter box 44 can be maintained from the floor surface F1, there is no need to work at heights using a stepladder or the like, resulting in excellent safety.

As shown in FIG. 7, a plurality of rubber support members 31 are attached to the lower surface of the ventilation device 30, and with these support members 31 grounded to the foundation surface 13a of the underfloor space 13, the ventilation device 30 is attached to the bottom surface of the ventilation device 30. is arranged in the underfloor space 13. Since the support member 31 has vibration-proofing properties, it is possible to prevent vibration transmission between the ventilation device 30 and the foundation surface 13a.

Further, since the ventilation system 30 is mounted on the foundation surface 13a of the underfloor space 13 via a plurality of support members 31, when performing maintenance or parts replacement of the ventilation system 30, etc., as shown in FIG. , It is possible to move the ventilation device 30 as necessary, and the workability is good. Note that the ducts 16, 17, 18 and the air supply ducts 19a, 19b connected to the ventilation device 30 are flexible, so the ventilation device 30 cannot be moved or returned to its original position. When this happens, it can be deformed accordingly, and the ventilation function will not be affected.

Next, in the whole building air conditioning system 100 shown in FIGS. 1 to 5, as shown in FIGS. A pipe fan 28 is provided to take in the conditioned air into the dressing room 42.

Therefore, the conditioned air can be drawn in without constructing a duct or the like in the changing room 42. Further, the inside of the dressing room 42 can be made to have the same environment as other air-conditioned spaces only by the air blowing capacity of the pipe fan 28, which is effective for energy saving.

In the whole building air conditioning system 100, as shown in FIG. 1, a reversibly operable intermediate duct fan 41 is provided that connects the attic space 40 of the building H1 and the room R21 in the building H1 in a communicating state. Therefore, in the winter, the warm air in the attic space 40 can be supplied to the room R21, and in the summer, the cold air in the room R21 can be supplied to the attic space 40, which is effective in reducing the air conditioning load. It is.

As shown in FIGS. 1 and 5, the storage room 29 provided in the attic space 40 and the air conditioner 20 are connected by a branch duct 23s for air supply, so that the air from the air conditioner 20 into the storage room 29 By sending in conditioned air, the same air conditioning as in other rooms can be performed.

When constructing the whole building air conditioning system 100 shown in FIG. 1, a heat insulating material such as glass wool can be used as the heat insulation treatment means for the building H1, but from the viewpoint of ensuring airtightness, it is preferable to construct spray foam insulation. desirable.

In addition, in the whole building air conditioning system 100, in order to efficiently exhaust the air inside the building H1 to the outside of the building H via the underfloor space 13, it is an essential requirement to ensure the airtightness of the underfloor space 13 of the building H1. Therefore, it is desirable to apply spray foam insulation to the airtight insulation treatment means for the underfloor space 13 as well.

In order to ensure the airtightness of the underfloor space 13, the gap between the air supply ducts 19a, 19b and the floor surface F1 is closed with airtight tape at the portion where the air supply ducts 19a, 19b penetrate the floor surface F1, as shown in FIG. Similarly, gaps between the ducts 17, 18 and the floor surface F1 are closed with airtight tape at the portions where the ducts 17, 18 penetrate the floor surface F1. In addition, the outer circumference of the floor F1 and the foundation forming the building H1 are fastened with a plurality of metal nails, and the gap between the outer circumference of the floor F1 and the vertical members forming the building H1 is closed with airtight tape. are doing. Furthermore, the inspection ports 27, 45 and the opening/closing port 46 shown in FIG. 3 are also of an airtight type.

In the duct shaft portion, the gap between the duct and the structural plywood at the portion where the duct penetrates the structural plywood is sealed with airtight tape to provide airtightness. In the unit bath section, the rising part of the foundation and the bottom are treated with foam insulation, and the unit bath is installed on the foundation. In addition, in order to provide an inspection port for inspecting the unit bath, a foundation inspection port made of highly airtight foamed resin is installed in a part of the rising part of the foundation that has been cut out. This prevents the air in the underfloor space from flowing to other areas via the unit bath, improving the airtightness of the underfloor space.

In this way, by ensuring the airtightness of the underfloor space 13, it is possible to block the flow of air to the underfloor space 13 via the living room, the unit bath part, and the duct shaft part, and it is possible to prevent the air from flowing into the underfloor space 13 from the living room etc. Since the exhaust gas flowing into the underfloor space 13 flows only through the exhaust port 15 installed on the floor surface F1, backflow from the exhaust port 15 can be prevented.

As mentioned above, in the whole building air conditioning system 100, by maintaining the airtightness of the underfloor space 13 at a high level, the ventilation function of the ventilation device 30 can be ensured, and thereby other functions, such as the air outlet 14 ( The heating and cooling functions using the conditioned air blown out from the branch outlet 14s also operate effectively.

Next, a whole building air conditioning system 200 as another embodiment will be described based on FIGS. 16 to 19. In addition, in the whole building air conditioning system 200, the parts common to the parts configuring the whole building air conditioning system 100 described above are described with the same reference numerals as in FIGS. 1 to 15 in FIGS. 16 to 19. omitted.

FIG. 16 shows a schematic configuration of the whole building air conditioning system 200, and FIGS. 17 to 19 show horizontal sections of an actual building H2 equipped with the whole building air conditioning system 200. Moreover, the hatched portions in FIGS. 17 and 18 represent lower ceilings 11c and 12c provided on each floor.

As shown in Figures 16 to 18, the first floor of building H2 is provided with an entrance hall 1, a hallway 1a, an LDK 2, a dirt floor storage area 3, a dressing room 7, a storage area 8, etc., and the second floor is a hall. 4, a master bedroom 5, Western-style rooms 6, 9, storage sections 5a, 6a, 9a, etc. are provided, and a storage room 29 is provided in the attic space 40.

In the whole-building air conditioning system 200, priority is set among multiple areas within the building H2, giving priority to areas where residents are expected to stay for a short time. , 12 are selected, and the air conditioners 10, 20 are arranged in attic spaces 11a, 12a above lower ceilings 11c, 12c formed at positions lower than the ceiling surfaces of the common areas 11, 12.

As shown in FIG. 17, on the first floor of the building H2, a lower ceiling 11c is formed at a position lower than the ceiling surface of the entrance hall 1, part of the LDK 2, the dressing room 7, and the storage area 8, and the common area 11 An air conditioner 10 is arranged in an attic space 11a above a lower ceiling 11c of an entrance hall 1. Thereby, the installation space for the air conditioner 10 can be easily secured, and there is no need to provide a separate air conditioner room. Further, since the operating noise of the air conditioner 10 is difficult to reach areas where residents spend a long time (such as the LDK 2), quietness can be ensured.

Further, as shown in FIGS. 16 and 17, on the first floor of building H2, air outlets 14 and branch air outlets 14s are arranged on wall surfaces 11d, 11e, 11h, and 11i adjacent to attic space 11a. . Specifically, the air outlet 14 is arranged on the wall surface 11e of the lower ceiling 11c provided in a part of the ceiling of the LDK 2, and the air outlet 14 is arranged on the wall surface 11h facing the LDK 2 of the lower ceiling 11c provided on the ceiling of the entrance hall 1. 14 are arranged, and branch air outlets 14s are arranged on the wall surface 11d of the lower ceiling 11c of the entrance hall 1 and on the wall surface 11i facing the kitchen K, respectively.

As shown in FIG. 17, three ducts 23, 23, 23 are connected to the air conditioner 10, the downstream sides of two of these ducts 23, 23 are connected to the air outlets 14, 14, respectively, and the remaining The downstream side of one duct 23 is divided into two branch ducts 23s, 23s, and the downstream sides of the branch ducts 23s, 23s are connected to branch outlets 14s, 14s, respectively.

By providing two air outlets 14, 14 in the LDK 2, it is possible to preferentially air-condition areas where residents are expected to stay for a long time, especially areas where residents are expected to stay for a long time. , is effective in improving air conditioning efficiency and reducing air conditioning energy. In addition, branch air outlets 14s and 14s have been installed in the entrance hall 1 and kitchen K, which are areas where residents are expected to stay for a short time compared to the living room, and which are also smaller in scale (volume). Since an appropriate amount of conditioned air can be supplied to areas with low air conditioning loads, the temperature distribution within the building H2 can be made uniform.

As mentioned above, the air conditioner 10 and the outlet 14 are connected by the duct 23, and the air conditioner 10 and the branch outlet 14s are connected by the branch duct 23s which is divided into two from the duct 23. It is set so that the amount of air blown from the branch outlet 14s is greater than or equal to the amount of air blown from the branch outlet 14s. Therefore, it is possible to preferentially air condition areas where residents are expected to stay for a long time, while suppressing the supply of conditioned air to areas where residents are expected to stay for a short time. It is effective in improving air conditioning and reducing air conditioning energy.

As shown in FIG. 18, on the second floor of building H2, a lower ceiling 12c is provided at a position lower than a part of the ceiling surface of the hall 4 and at a position lower than the ceiling surface of the storage areas 5a, 6a, and 9a. The air conditioner 20 is arranged in the attic space 12a above the lower ceiling 12c of the hall 4, which is the common area 12. Thereby, the installation space for the air conditioner 20 can be easily secured, and there is no need to provide a separate air conditioner room. Further, since the operating noise of the air conditioner 20 is difficult to reach the areas where the residents are expected to stay for a long time (the master bedroom 5 and the Western-style rooms 6 and 9), quietness can be ensured.

In addition, on the second floor of building H2, as shown in FIGS. 16 and 18, the wall surface 11f (the wall surface facing the master bedroom 5) of the lower ceiling 12c provided in the storage section 5a adjacent to the master bedroom 5 The air outlet 14 is arranged on the wall surface 11g of the lower ceiling 12c (the wall surface facing the Western-style room 6) provided in the storage section 6a adjacent to the Western-style room 6, and the air outlet 14 is arranged in the storage section 9a adjacent to the Western-style room 9. The air outlet 14 is arranged on the wall surface 11j (the wall surface facing the Western-style room 9) of the lower ceiling 12c provided in the room. The air conditioner 20 and the air outlets 14, 14, 14 are connected through ducts 23, respectively. Therefore, on the second floor of the building H2, areas where residents are expected to stay for a long time (master bedroom 5 and Western-style rooms 6 and 9) can be preferentially and efficiently air-conditioned.

As shown in FIG. 17, on the first floor of building H2, exhaust ports 15 are arranged at multiple locations near the wall of floor surface F1 of LDK2, and at a portion of floor surface F1 of entrance hall 1 near earthen floor storage section 3. An exhaust port 15 is arranged. With this configuration, it is easy to select the installation location of the exhaust port 15, and by distributing the plurality of exhaust ports 15, the air inside the building H2 can be ventilated while the underfloor space 13 is being ventilated. It can be exhausted efficiently.

As shown in FIGS. 16 and 19, the ventilation device 30 is arranged in the underfloor space 13 below the floor surface F1 of the LDK 2. Further, an opening/closing inspection port 45 is provided in a part of the floor surface F1 of the LDK 2. By installing the ventilation device 30 in the underfloor space 13, the operating sound of the ventilation device 30 is difficult to be transmitted into the room, so that the indoor space can be kept quiet. Further, since the ventilation device 30 is arranged using the underfloor space 13, there is no need to provide a dedicated installation space for the ventilation device 30, and no additional construction work is required. Since maintenance of the ventilation system 30 can be performed using the inspection port 45 on the floor surface F1 of the LDK 2, work at heights is not necessary, and safety is high and workability is also good.

In the whole building air conditioning system 200, as shown in FIG. 16, an air supply duct 19c branched from the air supply duct 19a is connected to the inside of the storage room 29 provided in the attic space 40. A portion of the outside air supplied from the ventilation device 30 via the air supply duct 19a is supplied into the storage chamber 29 via the air supply duct 19c. Therefore, the air sucked in from outside the building H2 via the duct 18 can be supplied into the storage room 29 in a state close to the room temperature (air conditioning temperature) inside the building H2.

Next, the whole building air conditioning system 300 will be explained based on FIGS. 20 to 24. In addition, the parts in the central air conditioning system 300 that are common with the parts constituting the central central air conditioning systems 100 and 200 described above are given the same reference numerals in FIGS. 20 to 24 as those in FIGS. 1 to 19 and explained. Omitted.

FIG. 20 shows a schematic configuration of the whole building air conditioning system 300, and FIGS. 21 to 24 show horizontal sections of an actual building H2 equipped with the whole building air conditioning system 300. Moreover, the hatched portions in FIGS. 21, 23, and 24 represent lower ceilings 57, 58, 59, and 60 provided on each floor.

As shown in FIGS. 20 to 24, the building H3 is a three-story building, and the first floor of the building H3 is provided with an entrance 50, a garage 51, etc., and the second floor is provided with an LDK 52, a washroom 54, etc. The third floor has a Western-style room 55, a study 56, etc. Additionally, a staircase 53 is provided which communicates from the entrance hall 50a on the first floor to the third floor via the second floor.

An underfloor space 50c is provided below the floor surface 50b of the entrance hall 50, and ventilation holes 50d and 50e are provided at a plurality of locations on the floor surface 50b. The ventilation hole 50d is provided in a portion closer to the wall surface W3 adjacent to the garage 51, and the ventilation hole 50e is provided in a portion closer to the outer wall surface W4 facing the wall surface W3. By providing the vents 50d and 50e in such positions, the conditioned air supplied to the common areas on the first floor flows into the underfloor space 50c from one of the vents 50e, flows through the underfloor space 50c, and flows through the other. After flowing out from the ventilation port 50d to the common area on the first floor, it is discharged from the exhaust port 15, so that the underfloor space 50c can be ventilated.

As shown in FIGS. 20 and 21, the chamber 24 is arranged in an attic space 57a above a lower ceiling 57 provided in a part of the ceiling of the entrance hall 50, and a wall surface 57b (entrance door) adjacent to the attic space 57a. A branch outlet 14s is arranged on the wall surface facing the hall 50. The conditioned air supplied from the air conditioner 10 can be blown toward the entrance hall 50 from the branch outlet 14s on the wall surface 57b. Since the amount of conditioned air blown out from the branch outlet 14s is approximately half of the amount blown out from the outlet 14, which will be described later, the inside of the entrance 50 on the first floor of the building H2, where it is assumed that residents will stay for a short time, is Air conditioning can be done efficiently and without waste.

As shown in FIGS. 20 and 22, a ventilation system 30 is arranged in the underfloor space 61 on the second floor (in the space between the ceiling on the first floor and the floor on the second floor), and the ventilation system 30 is installed in the ceiling part 50f of the entrance hall 50. A port 15 is provided, and the exhaust port 15 and the ventilation device 30 are connected by a duct 16. Further, the ventilation device 30 and the air conditioner 10 are connected through an air supply duct 19a, and the ventilation device 30 and the air conditioner 20 are connected through an air supply duct 19b.

Therefore, fresh outside air (or outside air mixed with conditioned air) introduced from outside the building H3 is supplied from the top of each area inside the building H3 toward the inside of each area, and contaminated air in each area is removed from the building H3. The air can be concentrated toward the first floor of the building H3 and collectively exhausted from the exhaust port 15 on the first floor, thereby improving the cleanliness of each area within the building H3. At the same time, it is possible to centralize the places where contaminated air gathers (dirty zones) in each area.

As shown in FIG. 20, FIG. 21, and FIG. 23, the air conditioner 10 is arranged in a ceiling space 58a above a lower ceiling 58 provided in the ceiling of the washroom 54 on the second floor. A lower ceiling 59 is provided in the lower ceiling 59, and a plurality of air outlets 14 are arranged on a wall surface 59b (wall surface facing the LDK 52) adjacent to the attic space 59a (see FIG. 23) above the lower ceiling 59, and adjacent to the attic space 59a. Branch air outlets 14s, 14s are arranged in the wall surface 59c (the wall surface facing the staircase room 53) and the attic space 57a of the lower ceiling 57 of the entrance hall 50, respectively.

Three ducts 23, 23, 23 are connected to the air conditioner 10, and the downstream sides of two of these ducts 23, 23 are connected to two air outlets 14, 14 arranged on the wall surface 59b of the LDK 52. The downstream side of the remaining one duct 23 is divided into two branch ducts 23s, 23s, and the downstream side of one branch duct 23s is connected to the branch outlet 14s on the wall surface 59c facing the staircase chamber 53. , the downstream side of the other branch duct 23s is connected to the branch outlet 14s of the entrance hall 50.

The conditioned air supplied from the air conditioner 10 is blown out toward the LDK 52 from the outlets 14, 14 on the wall surface 59b, and is also blown out towards the stairwell 53 from one branch outlet 14s, and the other branch outlet 14s. It is blown out towards the entrance hall 50.

As shown in FIGS. 20, 21, and 23, the amount of conditioned air blown out from the branch outlets 14s, 14s connected to the branch duct 23s divided into two from the duct 23 extending from the air conditioner 10 is , the amount of air flow from the air outlet 14 is approximately half, so the stairwell 53 and the entrance hall 50, where the resident's stay time is expected to be short, can be efficiently air-conditioned without waste, and the resident's stay time can be reduced. The inside of the LDK 52, which is assumed to be long, can be air-conditioned preferentially.

As shown in FIGS. 20 and 24, on the third floor of the building H3, the air conditioner 20 is arranged in an attic space 60a above a lower ceiling 60 provided on the ceiling of the staircase 53. The air outlet 14 and the branch air outlet 14s are arranged on a wall surface 60b adjacent to the attic space 60a (the wall surface facing the Western-style room 55), and the branch air outlet extends to the wall surface 60c adjacent to the attic space 60a (the wall surface facing the study 56). 14s are arranged.

As shown in FIG. 24, two ducts 23, 23 are extended from the air conditioner 20, the downstream side of one duct 23 is connected to the air outlet 14 provided on the wall surface 60b facing the Western-style room 55, and the other The downstream side of the duct 23 is divided into two branch ducts 23s, 23s, the downstream side of one branch duct 23s is connected to the branch outlet 14s provided on the wall surface 60b facing the Western-style room 55, and the downstream side of the other branch duct 23s is The downstream side is connected to a branch outlet 14s provided on a wall surface 60c facing the study 56.

Therefore, the interior of the Western-style room 55, where it is assumed that the resident stays for a long time, can be preferentially air-conditioned by the conditioned air blown out from the air outlet 14 and the branch air outlet 14s, and the size (volume) is smaller than that of the Western-style room 55. The interior of the small study 56 can be efficiently air-conditioned by the conditioned air blown out from the branch outlet 14s.

Next, a whole building air conditioning system 400, which is another embodiment of the present invention, will be described based on FIGS. 25 and 26. FIG. 25 shows a schematic configuration of the lower part of the first floor of building H4 equipped with a central air conditioning system 400, and FIG. 26 shows a schematic configuration of the first floor attic part of building H4 equipped with central air conditioning system 400. .

In addition, in the whole building air conditioning system 400 shown in FIGS. 25 and 26, the parts common to the parts configuring the whole building air conditioning system 100, 200, and 300 described above are shown in FIGS. 1 to 24 in FIGS. 25 and 26. The same reference numerals as those in the middle will be given and the explanation will be omitted.

As shown in FIGS. 25 and 26, the first floor of the building H3 equipped with the central air conditioning system 400 includes an entrance hall 50, an LDK 52, a washroom 54, bedrooms 71 and 72, a closet 73 (storage room), etc. It is being

A ventilation system 30 is arranged in an underfloor space (not shown) provided below the floor surface F1, and air flows from the ventilation system 30 through a duct shaft 70 to an attic space (not shown) on the first floor. Air supply ducts 19a and 19b are provided.

As shown in FIG. 26, air conditioners 10 and 20 are installed in the attic space above the kitchen K of the LDK 52. The air conditioner 10 is installed in the ceiling space near the wall surface on the side where the outdoor unit 21 is installed in the kitchen K, and the air conditioner 20 is installed in the ceiling space near the entrance hall 50 in the kitchen K.

The kitchen K is an area where the cook stays only when cooking, and the area near the wall on the side where the outdoor unit 21 is installed in the kitchen K is an area that residents pass through when moving. This area is also an area that residents pass through when moving. That is, the air conditioners 10 and 20 are installed in the attic space in an area where it is assumed that residents will stay for a short time.

An air supply duct 19a is connected to the air conditioner 10, and an air supply duct 19b is connected to the air conditioner 20. In the ceiling (not shown) above the kitchen K of the LDK 52, ceiling inspection holes 74 and 74 are provided near the air conditioners 10 and 20, respectively.

The building H4 shown in FIGS. 25 and 26 is a one-story (one-story) building, and the attic space inside the building H4 is an attic space, so a certain amount of height space is secured. Therefore, there is no need to provide a lower ceiling (lower ceiling) in the area where the air conditioners 10, 20 are installed.

On the other hand, as shown in FIG. 26, ducts 23a to 23f and branch ducts 23s, which will be described later, are installed in the ceiling portions of portions (inside closets, toilets, etc.) adjacent to the wall surface provided with the air outlet 14 and the branch air outlet 14s, respectively. , lower ceilings 76, 77, and 78 (hatched portions) lower than the ceiling surface are provided.

Further, as shown in FIG. 26, lower ceilings 76, 77, and 78 (hatched portions) are provided below the ceilings of the entrance hall 50, washroom 54, bedroom 71, and closet 73, respectively, in the building H4. , 77, 78, ducts 23a, 23d, 23e, branch duct 23s, etc. are arranged in the space above the attic, and air outlet 14 or branch air outlet 14s is installed on the wall surface in the area adjacent to the lower ceiling 76, 77, 78. is installed. Therefore, a chamber 24 (see FIG. 9) for connecting the ducts 23a, 23d, 23e and the branch duct 23s to the outlet 14 (branch outlet 14s) is in the attic space above the lower ceilings 76, 77, 78. ), and the chamber 24 fits well.

The upstream sides of three ducts 23a, 23b, and 23c are connected to the air conditioner 10, respectively. The downstream side of the duct 23a is connected to the air outlet 14 provided on the wall of the bedroom 72. The downstream side of the duct 23b is divided into two branch ducts 23s, 23s, the downstream side of one branch duct 23s is connected to the branch outlet 14s provided in the closet 73, and the downstream side of the other branch duct 23s is connected to the branch outlet 14s provided in the stepped portion 75a of the sloped ceiling 75 of the LDK 52. The downstream side of the duct 23c is connected to the air outlet 14 provided in the stepped portion 75a.

The air conditioner 20 is connected to the upstream sides of three ducts 23d, 23e, and 23f, respectively. The downstream side of the duct 23d is connected to the air outlet 14 provided on the wall of the bedroom 71. The downstream side of the duct 23e is divided into two branch ducts 23s, 23s, one branch duct 23s is connected to a branch outlet 14s provided on the wall of the washroom 54, and the other branch duct 23s is connected to the entrance hall 54. It is connected to a branch outlet 14s provided on the wall of the outlet. The downstream side of the duct 23f is connected to the air outlet 14 provided in the stepped portion 75a of the sloped ceiling 75.

As mentioned above, the attic space in the one-story building H4 is an attic space, and this attic space can be used as the duct route (the part where the ducts 23a to 23f and the branch duct 23s are arranged). Therefore, there is no need to provide a lower ceiling (dropped ceiling) for the duct route.

As shown in FIGS. 25 and 26, in the whole building air conditioning system 400, the entrance hall 50, the washroom 54, the closet 73, etc., where residents spend less time than the living room, dining room, and living room, are frequently visited by residents. Branch air outlets 14s are also arranged in areas where residents temporarily stay to fulfill specific purposes. As a result, the inside of the building H4 can be evenly air-conditioned, so air-conditioning efficiency is increased, occupants' experience is improved, and air-conditioning energy can be reduced.

In addition, since the air volume of the branch ducts 23s, which are split into two from the ducts 23a to 23f, is half of the air volume of the original ducts 23a to 23f, the portions where residents are expected to stay for a long time (the bedrooms 71, 72 and LDK 52) with the conditioned air from the branch duct 23, while suppressing the supply of conditioned air to areas where residents are expected to stay for a short time (entrance hall 50, washroom 54, closet 73). This makes it possible to improve air conditioning efficiency and reduce air conditioning energy. Furthermore, it is possible to supply an appropriate amount of conditioned air to areas where the scale (volume) of the area is small and where the air conditioning load is low, and the temperature distribution within the building H4 can be made uniform.

In the whole building air conditioning system 400 shown in FIGS. 25 and 26, the air conditioners 10 and 20 are installed in the attic space (not shown) above the kitchen area of the LDK 52. Space can be easily secured and there is no need to provide a separate air conditioner room.

In this way, by arranging the air conditioners 10 and 20 in the attic area in an area that is preferentially selected based on the shortness of the residence time of the residents, the operating noise of the air conditioners 10 and 20 is reduced to a level that is less Since it is difficult to reach areas where the system spends a lot of time, quietness is improved and occupant comfort is also increased. Additionally, by locating the air conditioners 10 and 20 in the attic space, which is an area where residents spend relatively little time, it is possible to avoid increasing the height of the building in order to secure the space for installing the air conditioners 10 and 20. It is possible to prevent an increase in construction materials.

Note that the whole building air conditioning systems 100, 200, 300, and 400 described based on FIGS. The system is not limited to systems 100, 200, 300, and 400.

The whole building air conditioning system according to the present invention can be widely used in fields such as the housing construction industry as an air conditioning and ventilation means for the entire building such as a general residence.

1,50 Entrance hall 1a Corridor 2,52 LDK (living dining kitchen)
3 Earthen floor storage area 4 Hall 5 Master bedroom (living room)
5a, 6a, 9a Storage section 6, 9, 55 Western-style room (living room)
7 Dressing room 8 Storage area 10, 20 Air conditioner 11, 12 Common areas 11a, 12a, 57a, 58a, 59a, 60a Attic space 11c, 12c, 57, 58, 59, 60, 76, 77, 78 Lower ceiling 11d , 11e, 11f, 11g, 57b, 59b, 59c, 60b, 60c Wall surface 13, 50c, 61 Underfloor space 13a Foundation surface 14 Air outlet (air supply port)
14X Curved blade 14a Main body 14b Side plate 14c Rib 14d Support shaft 14e Frame 14f Front edge 14g Rear edge 14s Branch outlet 15 Exhaust port 16, 17, 18, 23, 23a, 23b, 23c, 23d, 23e, 23f, 43 Duct 17a, 18a Opening 19a, 19b, 19c Air supply duct 21 Outdoor unit 22 Corridor 23s Branch duct 24 Chamber 24a Metal fittings 25 Connection port 26 Rectifier 27, 45 Inspection port 28 Pipe fan 29 Storage room 30 Ventilation device 31 Support member 40 Attic space 41 Intermediate duct fan 42 Dressing room 44 Filter box 46 Opening/closing opening 50d, 50e Vent 50f Ceiling part 51 Garage 53 Staircase 54 Washroom 50b, F1, F11 Floor 56 Study (living room)
70 Duct shaft 71, 72 Bedroom 73 Closet 74 Ceiling inspection port 75 Sloped ceiling 75a Step part 100, 200, 300, 400 Whole building air conditioning system D Door G Gap H1, H2, H3, H4 Building K Kitchen R11, R12, R21, R22 Room (living room)
U Undercut W, W1, W2 Wall surface

Claims (5)

Air conditioners placed inside the building,
an air outlet provided in at least one region for supplying conditioned air generated by the air conditioner to a plurality of regions formed in the building;
a duct that communicates the air conditioner and the air outlet;
a ventilation device disposed in the underfloor space of the building to ventilate the inside of the building;
an exhaust port provided on the floor of the first floor of the building for discharging air within the building,
A whole-building air conditioning system that takes air inside the building into the underfloor space through the exhaust port and uses the underfloor space as a ductless exhaust route,
A ceiling surface in at least one of the areas selected in order from the areas with the highest priority is set, and a priority is set for a plurality of the areas where it is assumed that the resident's stay time is short. The air conditioner is placed in the attic space above the
the area with the highest priority is a shared part;
The air conditioner is located in the attic space on the first floor and in the attic space on the second floor of the building,
The ventilation device and the air conditioner are connected by a duct, and the ventilation device supplies outside air to the air conditioner. The whole building air conditioning system according to claim 1 , wherein the common area includes any one or more of an entrance hall, a hallway, a storage room, a toilet, a dressing room, and a washroom. The whole building air conditioning system according to claim 1 or 2 , wherein the air conditioner is arranged in an attic space above a lower ceiling formed at a position lower than a ceiling surface in the area. The whole building air conditioning system according to claim 1 or 2 , wherein the air outlet is arranged on a wall surface adjacent to an attic space above a lower ceiling formed at a position lower than a ceiling surface in the area. The whole building air conditioning system according to any one of claims 1 to 4 , wherein the air outlet is arranged at a portion located at the shortest distance from the air conditioner.

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