JP2010243142A - Air-conditioning system and building - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an air-conditioning system having an immediate effect for the quick heating of an on-floor space during heating operation and capable of performing cooling operation at a practical level. <P>SOLUTION: The air-conditioning system is configured in such a manner that: an indoor unit 3 of a heat-pump air conditioner connected to an outdoor unit 2 placed outdoors is disposed in an underfloor space 4 of a building 1; a floor 1a between an on-floor space 5 of the building 1 and the underfloor space 4 has an exhaust port 6 and air supply port 7; the exhaust port 6 and a suction part 31 of the indoor unit 3 of the air conditioner are connected by a duct 81 and the air supply port 7 and an on-floor outlet 32 of the indoor unit 3 of the air conditioner are connected by a duct 82; the outdoor unit 3 of the air conditioner has an underfloor outlet 33 to the underfloor space 4; and the floor 1a has a ductless air supply port 9 separate from the air supply port 7. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an air conditioning system in which an air conditioner is installed in a floor space of a building and a building including the air conditioning system.

  Conventionally, an air conditioning system in which an air conditioner is installed in a floor space of a building is known (see, for example, Patent Documents 1 and 2).

JP 2006-313041 A JP 2007-051859 A

  However, all of these conventional air conditioning systems have an air conditioner outlet in the underfloor space, so that the space above the floor can be warmed evenly and even during the heating operation, and a comfortable environment of head-to-foot heat can be realized. Despite the advantages of heating, it lacked the immediate effect of quickly warming the space above the floor.

  In addition, in these conventional air conditioning systems, cooling operation is theoretically possible, but if cold air circulates in the underfloor space, condensation occurs and it is difficult to dry, and it is difficult to find this condensation. There was a risk of mold and the like, and it was not put to practical use.

  Then, this invention aims at providing the building provided with the air-conditioning system which has the immediate effect which heats a floor space quickly at the time of heating operation, and also can perform the cooling operation on a practical use level, and the air-conditioning system. .

  In order to achieve the above object, an air conditioning system of the present invention is an air conditioning system in which an air conditioner is installed in an underfloor space of a building, and the air conditioner includes an on-floor radiant cooling section, an underfloor radiating section, The air-conditioning device is a device that blows out at least one of hot air and cold air, and the heat-dissipating cold part for floor is a blow-out part for floor, and the floor space of the building An air supply port is provided to face the floor, and the on-floor heat dissipating cooler of the air conditioner and the air supply port are connected via a duct so that heat can be dissipated and cooled to the floor space. The underfloor heat radiating portion of the apparatus is characterized in that heat can be radiated to the underfloor space.

  The underfloor heat radiating section is not limited to the method of blowing out hot air, and includes a method of radiating radiant heat.

  Here, it is preferable that an exhaust port is provided facing the space above the floor, and that the suction portion of the air conditioner can suck air in the floor space through the exhaust port.

  Moreover, the said exhaust port and the said suction part of the said air conditioner may be connected via the duct.

  Further, the underfloor heat radiating section of the air conditioner may be an underfloor blowing section for blowing warm air.

  The under-floor heat dissipating part of the air conditioner includes a heat dissipating part such as an electric heater that performs only heat dissipating.

  Further, an air supply port different from the air supply port is provided facing the floor space, and the other air supply port communicates between the underfloor space and the floor space. Also good.

  Furthermore, it is good to be able to control independently the heat radiation cooling from the said heat radiation cooling part for floors of the said air conditioning apparatus, and the heat radiation from the said heat radiation part for under floors.

  In addition, it becomes possible to control each independently by providing an on-off valve or an individual fan in each of the floor heat radiation cooler and the floor heat sink.

  The air conditioner may be provided with an underfloor suction section separately from the suction section.

  Furthermore, the floor space of the building is provided with a space on the first floor portion and a space on the upper floor portion, and an air supply opening is provided facing the space on the upper floor portion. And a duct for the upper floor of the air conditioner may be connected by a duct.

  The another air supply port may be openable and closable.

  Furthermore, the air conditioner is an indoor unit of a heat pump type air conditioner, and may be connected to an outdoor unit installed outdoors.

  The underfloor space may be surrounded by the floor of the building, foundation bottom concrete, and foundation side wall concrete, and a foundation heat insulating material may be attached to the foundation side wall concrete.

  Further, the air conditioner may have a dehumidifying function.

  In addition, when the air conditioner is in a heating operation, it is preferable that control is performed to dissipate heat from one or both of the on-floor heat dissipating cooler and the underfloor heat dissipating unit.

  Further, when the air conditioner is in a cooling operation, it is preferable that the cooling is performed from the floor heat radiation cooler and the heat radiation from the floor heat radiation unit is not controlled.

  A branch chamber may be connected to the underfloor heat dissipating part of the air conditioner.

  Furthermore, a plurality of the air conditioners may be installed in the underfloor space.

  The building according to the present invention includes any one of the air conditioning systems described above.

  Here, the building is a unit building formed by joining a plurality of factory-produced building units in the field, and in a plan view, the base of the outer periphery of the unit building is continuous. A bundle-shaped foundation is provided in the lower part of the part where the pillars are adjacent to each other in the corner parts of the plurality of building units, but the foundation may not exist in other parts.

  Such an air-conditioning system of the present invention is an air-conditioning system in which an air-conditioner is installed in a space under a floor of a building.

  The air conditioner is provided with an on-floor heat-dissipating cooler, an under-floor heat dissipating part, and a suction part. The air-conditioner is an apparatus that blows out at least one of hot air and cold air. The heat-dissipating cooler is a blowout unit on the floor, and an air supply port is provided facing the floor space of the building, and the air-cooling unit on the floor of the air conditioner and the air supply port are connected via a duct. The heat radiation can be cooled in the space above the floor, and the heat radiation portion for the under floor of the air conditioner is configured to be capable of heat radiation in the space under the floor.

  Since it is such a structure, at the time of heating operation, it has the immediate effect which warms floor space quickly with an air conditioner through a duct.

  Also, warm air is blown out from the under-floor heat-dissipating cooler, which is the blow-out part of the air conditioner, and the under-floor space is warmed, so that heat is transmitted through the floor, heating the over-floor space evenly and comfortably. Underfloor heating can be performed as an environment.

  Here, when an exhaust port is provided facing the space above the floor, and the suction part of the air conditioner can suck the air in the space above the floor through the exhaust port, the heat radiation for the floor, which is the blowout part for the floor. The warm air or cold air blown out from the cold part circulates in the floor space with little dust, so that the filter of the suction part of the air conditioner is not easily clogged, and the frequency of maintenance can be greatly reduced.

  In addition, when the exhaust port and the air-conditioning system suction unit are connected via a duct, during cooling operation, the cool air does not leak into the under-floor space, so there is no condensation in the under-floor space, making it practical. Cooling operation can also be performed at the level.

  Furthermore, if the underfloor heat radiation part of the air conditioner is an underfloor blowout part that blows out warm air, the air conditioner is compared with the underfloor heat radiation cooling part that is the underfloor blowout part and the underfloor blowout part. And a simple structure.

  In addition, an air supply port that is different from the air supply port is provided facing the space above the floor, and the air supply unit is connected to the space between the underfloor space and the floor space. Since it is not necessary to separately provide an underfloor suction part in the floor, it can be economically implemented.

  Furthermore, if the heat radiation cooling from the heat radiation cooler on the floor of the air conditioner and the heat radiation from the heat radiation part under the floor can be controlled independently of each other, the floor air blower for the air conditioner It is possible to easily switch and control between heating having immediate effect from the heat radiating cooler, underfloor heating from the underfloor heat radiating unit, and cooling from the underfloor heat radiating cooler which is the blowout unit for the underfloor.

  In addition, when the air conditioner is provided with the underfloor suction portion separately from the suction portion, it is not necessary to provide another air supply port, so that the design appearance of the floor space can be improved.

  Furthermore, the space above the floor of the building is provided with a space on the first floor and a space on the upper floor, an air supply opening is provided facing the space on the upper floor, and When connected to the upper floor blow-off section with a duct, the space in the upper floor portion can be air-conditioned.

  In addition, when the other air supply port can be opened and closed, in particular during cooling operation, by closing this other air supply port, the cold air does not flow into the underfloor space and dew condensation occurs. While preventing, the fall of the cooling efficiency of floor space can be prevented.

  Furthermore, when the air conditioner is an indoor unit of a heat pump type air conditioner and is connected to an outdoor unit installed outdoors, the heat pump is used, so that the energy saving performance can be improved.

  In addition, when the underfloor space is surrounded by the floor of the building, the foundation floor concrete and the foundation side wall concrete, and the foundation side wall concrete is attached to the foundation side wall concrete, Energy-efficient underfloor heating can be performed without leaking the warm air in the underfloor space to the outside as much as possible.

  Furthermore, when the air conditioner has a dehumidifying function, it is not necessary to install a separate dehumidifier in the space above the floor, and it is possible to perform dehumidification during the cooling operation in summer in Japan with high humidity.

  In addition, when the air conditioner is in the heating operation, if control is performed to dissipate heat from one or both of the floor radiant cooler and the floor radiant cooler, desired heating, that is, from the floor radiant cooler Heating with immediate effect, underfloor heating from the underfloor heat dissipating part, or both can be performed.

  Furthermore, when the air conditioner is controlled to cool from the heat radiation cooler on the floor and not to dissipate heat from the heat radiation part under the floor, it can be put into practical use, i.e., do not allow cold air to flow into the underfloor space. In addition to preventing condensation, cooling can be performed to prevent a decrease in cooling efficiency of the space above the floor.

  In addition, when a branch chamber is connected to the underfloor heat dissipating unit of the air conditioner, warm air can be blown out in multiple directions in the underfloor space, so that efficient underfloor heating can be performed.

  Further, when a plurality of air conditioners are installed in the underfloor space, for example, even if the building is composed of two or more floors and has a plurality of rooms, the air conditioning system of the present invention is applied to each room. Can be implemented.

  Since such a building of the present invention is configured to include the air conditioning system of the present invention, it can be a building that exhibits the effects described above.

  Here, the building is a unit building formed by joining a plurality of factory-produced building units on-site, and the base of the outer periphery of the unit building is continuous in plan view. At the bottom of the part where the columns are adjacent to each other in the corner part of the unit, a bundle-shaped foundation is provided, but if there is no foundation in the other parts, the underfloor space is continuous, The degree of freedom of the installation position of the air conditioner is high, and the uniformity of temperature distribution when underfloor heating is also high.

It is explanatory drawing explaining schematic structure of the building provided with the air conditioning system of Example 1. FIG. It is explanatory drawing which shows the schematic structure of the building provided with the air conditioning system of Example 1 by planar view. In the air-conditioning system of Example 1, it is explanatory drawing which shows the state which performed the heating or cooling which has immediate effect. In the air conditioning system of Example 1, it is explanatory drawing which shows the state which performed underfloor heating. In the air-conditioning system of Example 1, it is explanatory drawing which shows the state which performed both the heating which has immediate effect, and underfloor heating. It is explanatory drawing explaining schematic structure of the building provided with the air conditioning system of Example 2. FIG. In the air-conditioning system of Example 2, it is explanatory drawing which shows the state which performed heating or air_conditioning | cooling. It is explanatory drawing which shows schematic structure of the building provided with the air conditioning system of Example 3 by planar view. It is explanatory drawing explaining schematic structure of the building provided with the air conditioning system of Example 4. FIG. It is explanatory drawing explaining schematic structure of the building provided with the air conditioning system of Example 5. FIG.

  EMBODIMENT OF THE INVENTION Hereinafter, the form for implementing this invention is demonstrated based on Examples 1-5 shown on drawing.

  First, Example 1 will be described.

  FIG. 1 shows a schematic configuration of a building 1 provided with the air conditioning system of the first embodiment.

  First, such a building 1 includes a foundation bottom concrete 1b constructed as foundation insulation, a foundation side wall concrete 1c erected on the side edge, an outer wall portion 1d erected on the foundation side wall concrete 1c, and an outer wall thereof. It is mainly comprised from the ceiling part 1e which block | closes the upper end opening of the part 1d.

  In the space surrounded by the ceiling portion 1e and the outer wall portion 1d, an underfloor space 4 and an upper floor space 5 such as a living room are separated by a floor portion 1a as a floor. In consideration of underfloor heating from the underfloor space 4 side in particular, the floor portion 1a allows heat transfer between the underfloor space 4 and the abovefloor space 5, and has no heat insulating material attached thereto. Yes.

  Further, a basic heat insulating material 10 such as glass wool is attached to the side of the underfloor space 4 of the side wall concrete 1c so that the heat of the warm air in the underfloor space 4 is prevented from leaking to the outside as much as possible.

  Furthermore, this building 1 is a unit building formed by joining four building units U1, U2, U3, U4 produced in the factory on site as shown in a plan view in FIG.

  And the side wall concrete 1c which is the foundation of the outer periphery of the building 1 is continuous, and in the underfloor space 4, the part 1i where four pillars adjoin each other at the corners of the four building units U1, U2, U3, U4. In the lower part, a bundle-shaped foundation 1h is provided, but no foundation exists in other parts.

  In FIG. 1, the description of the bundle-shaped foundation 1 h is omitted for easy understanding of the configuration and operational effects of the air conditioning system of the first embodiment.

  In the air conditioning system of the first embodiment, an indoor unit 3 of an air conditioner as an air conditioner is installed in the underfloor space 4.

  Here, the air conditioner as the air conditioner is of a heat pump type, and the indoor unit 3 is connected to the outdoor unit 2 installed outdoors.

  In addition, a heat medium circulation pipe 21 connected to the outdoor unit 2 is connected to the inside of the indoor unit 3 of the air conditioner.

  Further, the indoor unit 3 of the air conditioner is a unit having a dehumidifying function, and is provided with a drain 12 for drainage that penetrates from the underfloor space 4 to the outdoors.

  Moreover, the indoor unit 3 of this air conditioner has the suction part 31, the blowout part 32 for floors as a heat radiation cooling part for floors, and the blowout part 33 for floors as a heat radiation part for floors.

  Furthermore, the indoor unit 3 of this air conditioner has a built-in fan (not shown) capable of blowing air from the floor blowing section 32 and the floor blowing section 33 with various strengths.

  Further, the on-floor blowing part 32 and the under-floor blowing part 33 are provided with on-off valves 32a and 33a made of an electric damper or the like, respectively.

  Further, the floor portion 1a is provided with an exhaust port 6 with a grill and two types of air supply ports 7 and 9.

  Here, the air supply port 7 is connected to the blowout part 32 on the floor of the indoor unit 3 of the air conditioner by a duct 82, and the other air supply port 9 communicates directly with the underfloor space 4 without passing through the duct. is doing.

  Moreover, the openable / closable gallery 11 comprising a plurality of rotatable blades 11a,...

  And between the suction part 31 and the exhaust port 6 of the indoor unit 3 of an air conditioner is also connected by the duct 81.

  The floor space 5 is provided with a controller 13 for setting a desired operation pattern.

  Next, the operation pattern of the air conditioning system of Example 1 will be described.

  First, the pattern at the time of heating operation is demonstrated.

  When it is desired to warm the floor space 5 only with immediate heating, the on-off valve 32a of the on-floor outlet 32 of the indoor unit 3 of the air conditioner is opened, and the on-off valve 33a of the under-floor outlet 33 is closed. State.

  Further, the air supply port 9 not passing through the duct of the floor 1a is rotated by rotating the blades 11a of the louver 11 until they overlap each other.

  And if the indoor unit 3 of an air conditioner is operated, as shown in FIG. 3, warm air will convect only in the floor space 5, and the floor space 5 will be warmed immediately.

  When the floor space 5 is to be heated only by underfloor heating, the on-off valve 32a of the on-floor outlet 32 of the indoor unit 3 of the air conditioner is closed, and the on-off valve 33a of the under-floor outlet 33 is opened. .

  Moreover, the air inlet 9 which does not pass the duct of the floor part 1a maintains the wing board 11a, ... of the louver 11 in a substantially vertical state, and makes it open.

  Then, when the indoor unit 3 of the air conditioner is operated, the underfloor space 4 is immediately warmed as shown in FIG. 4, and the heat is transmitted to the above-floor space 5 mainly via the floor portion 1a. The space 5 is warmed up evenly.

  When it is desired to heat the floor space 5 with both immediate heating and underfloor heating in a severe cold season, the on-off valve 32a of the blowout part 32 for the floor of the indoor unit 3 of the air conditioner is opened, and the floor space 5 is used. The on-off valve 33a of the blowing part 33 is also opened.

  Further, another air supply port 9 not passing through the duct of the floor portion 1a is also in an open state while maintaining the slats 11a of the louver 11 in a substantially vertical state.

  Then, when the indoor unit 3 of the air conditioner is operated, as shown in FIG. 5, the warm air convection only in the floor space 5 is transmitted to the floor space 5 mainly through the floor portion 1a, and the floor space 5 With the heat that uniformly warms up the floor, the space 5 on the floor immediately and uniformly warms up evenly.

  Next, the pattern during the cooling operation will be described.

  When it is desired to cool the floor space 5 by cooling, the on-off valve 32a of the on-floor blowing section 32 of the indoor unit 3 of the air conditioner is opened, and the on-off valve 33a of the below-floor blowing section 33 is closed.

  Further, another air supply port 9 not passing through the duct of the floor portion 1a rotates the blades 11a,...

  And if the indoor unit 3 of an air conditioner is operated, as shown in FIG. 3, cold air will convect only in the space 5 on the floor, and the space 5 on the floor will be cooled immediately.

  In this cooling operation, the controller 13 can set the desired humidity, so that it can be dehumidified by the dehumidifying function of the indoor unit 3 of the air conditioner.

  Next, the effect of Example 1 is demonstrated.

  In the air conditioning system of the first embodiment, an indoor unit 3 of an air conditioner as an air conditioner is installed in the underfloor space 4 of the building 1.

  The floor 1a of the building 1 is provided with an exhaust port 6 and an air supply port 7. Between the exhaust port 6 and the suction portion 31 of the indoor unit 3 of the air conditioner and between the air supply port 7 and the air conditioner. A duct 81 and 82 are connected to the floor blowing section 32 as the floor heat radiation cooling section of the conditioner 3.

  In addition, the indoor unit 3 of the air conditioner as an air conditioner is provided with an underfloor blowing portion 33 to the underfloor space 4, and another air supply port 9 not through a duct is provided in the floor portion 1 a. It is set as the provided structure.

  With such a configuration, at the time of heating operation, the floor space 5 is quickly heated by the indoor unit 3 of the air conditioner via the ducts 81 and 82.

  Also, warm air is blown out from the underfloor blowout portion 33 as the underfloor heat radiating portion of the indoor unit 3 of the air conditioner, and the underfloor space 4 is heated, so that heat is transmitted through the floor portion 1a, and the above-floor space 5 is made uniform Underfloor heating can be performed to provide a comfortable environment of head-to-head heat as well as warming up evenly.

  Furthermore, during the cooling operation, the ducts 81 and 82 prevent the cool air from leaking into the underfloor space 4, thereby preventing condensation and preventing the cooling effect of the overfloor space 5 from being lowered, and performing the cooling operation at a practical level.

  Here, on-floor outlet 32 and under-floor outlet 33 of indoor unit 3 of the air conditioner are provided with on-off valves 32a and 33a, respectively.

  For this reason, in particular, during heating operation, by opening and closing the respective on-off valves 32a, 33a, heating having immediate effect from the floor blowing section 32 of the air conditioner 3, and underfloor heating from the floor blowing section 33, Can be easily switched.

  In addition, since another air supply port 9 that does not include a duct is provided with a gallery 11 that includes a plurality of openable and closable blades 11a,... By closing another air supply port 9, it is possible to prevent the cool air from flowing into the underfloor space 4, prevent condensation, and further prevent the cooling effect of the above-floor space 5 from decreasing.

  Further, through the exhaust port 6, the suction portion 31 of the indoor unit 3 of the air conditioner can suck the air in the floor space 5.

  For this reason, since warm air or cold air blown out from the underfloor blowing portion 33 circulates in the floor space 5 with little dust, the filter of the suction portion 31 of the indoor unit 3 of the air conditioner is less likely to be clogged, and maintenance frequency is reduced. Can be greatly reduced.

  Furthermore, since the indoor unit 3 of the air conditioner as an air conditioner is a heat pump type and is connected to the outdoor unit 2 installed outdoors, the heat pump is used, so that the energy saving performance is excellent. it can.

  The underfloor space 4 is surrounded by a floor portion 1a as a floor of the building 1, a foundation bottom concrete 1b, and a foundation side wall concrete 1c, and a foundation heat insulating material 10 is attached to the foundation side wall concrete 1c.

  For this reason, underfloor space 4 is made into a heat insulation structure, and underfloor heating with high energy efficiency can be performed without leaking the heat of warm air in underfloor space 4 to the outdoors as much as possible.

  Furthermore, since the indoor unit 3 of the air conditioner as the air conditioner has a dehumidifying function, it is not necessary to install a separate dehumidifier in the floor space 5, and dehumidification is performed during air-conditioning operation in summer in Japan with high humidity. Can do.

  In addition, when the indoor unit 3 of the air conditioner is in a heating operation, one or both of the on-off valve 32a of the on-floor blowing unit 32 and the on-off valve 33a of the below-floor blowing unit 33 are controlled to be in an open state.

  For this reason, desired heating, that is, heating having an immediate effect from the blowing unit 32 on the floor of the indoor unit 3 of the air conditioner, heating under the floor from the blowing unit 33 under the floor, or both can be performed.

  Further, when the indoor unit 3 of the air conditioner is in the cooling operation, the on-off valve 33a of the blowout unit 33 for the underfloor is controlled to be closed, and the other air supply port 9 not through the duct is connected to the slat 11a of the louver 11 Are rotated until they overlap each other and controlled to be closed.

  For this reason, the cooling that can be put into practical use, that is, by making another air supply port 9 that does not pass through the duct closed, the cooling air is prevented from flowing into the underfloor space 4 to prevent dew condensation and the cooling effect of the above-ground space 5. Cooling can be performed to prevent a decrease in temperature.

  Since the building 1 according to the first embodiment is configured to include the air conditioning system according to the first embodiment, it can be a building having the above-described effects.

  Here, the building 1 is a unit building formed by joining four building units U1, U2, U3, U4 produced in the factory on site.

  And in the plan view, the side wall concrete 1c as the foundation of the outer periphery of the building 1 is continuous, and in the underfloor space 4, the four pillars are formed at the corners of the four building units U1, U2, U3, U4. A bundle-shaped foundation 1h is provided in the lower part of the adjacent part 1i, but no foundation exists in other parts.

  For this reason, since the underfloor space 4 is continuous, the degree of freedom of the installation position of the indoor unit 3 of the air conditioner as the air conditioner is high, and the uniformity of the temperature distribution when underfloor heating is also high.

  Moreover, since the indoor unit 3 of an air conditioner as an air conditioner is installed in the underfloor space 4, the above-floor space 5 is not occupied and can be used effectively, and has a design appearance. Is good.

  Next, Example 2 will be described.

  In addition, the description which attaches | subjects the same code | symbol about the description of the same thru | or equivalent part as the content demonstrated in Example 1, and demonstrates.

  FIG. 6 shows a schematic configuration of a building 1A provided with the air conditioning system of the second embodiment.

  In the building 1A of the second embodiment, an intermediate wall 1f and a floor portion 1g of the second floor portion are provided, and the floor space 5 includes a space 51 of the first floor portion, a space 52 of the second floor portion, and an atrium space 53. It is mainly different from the building 1 of the first embodiment.

  In the air conditioning system according to the second embodiment, an air conditioner indoor unit 30 as an air conditioner is additionally provided with a second-floor outlet 34 provided with an open / close valve 34a made of an electric damper or the like.

  In addition, two air inlets 70, 70 are provided in the floor portion 1 g of the second floor portion, and these air inlets 70, 70 and the second floor air outlet 34 of the indoor unit 30 of the air conditioner, Are connected by a duct 83 passing through the intermediate wall 1f and the floor 1g.

  Furthermore, in the indoor unit 30 of the air conditioner, a fan (not shown) capable of blowing air with various strengths from the blowing unit 32 for the floor, the blowing unit 33 for the floor, and the blowing unit 34 for the second floor. Is built-in.

  In addition, a controller 13A for setting a desired operation pattern is provided in the space 52 of the second floor portion.

  Next, the operation pattern of the air conditioning system of Example 2 will be described.

  First, the pattern at the time of heating operation of the space 52 of the second floor part will be described.

  When the space 52 of the second floor portion is to be heated by heating, the on / off valve 34a of the second floor outlet 34 of the indoor unit 30 of the air conditioner is opened, and the on / off valve 33a of the lower floor outlet 33 is closed. And

  Further, another air supply port 9 not passing through the duct of the floor portion 1a rotates the blades 11a,...

  Then, when the indoor unit 30 of the air conditioner is operated, as shown in FIG. 7, a gap or a staircase of a door (not shown) provided on the intermediate wall 1 f from the space 52 on the second floor portion to the blow-off space 53. Warm air convects through (not shown) or the like, and the space 52 in the second floor portion warms.

  Here, the air supply ports 70, 70 are provided with a louver (not shown), and the direction of the wind can be changed by changing the inclination of the louver automatically or manually by the controller 13A according to preference. Further, one of the air supply ports 70 and 70 can be closed.

  Next, the pattern during the cooling operation of the space 52 of the second floor portion will be described.

  When it is desired to cool the space 52 of the second floor portion by cooling, the on-off valve 34a of the second-floor outlet 34 of the indoor unit 30 of the air conditioner is opened, and the on-off valve 33a of the lower-floor outlet 33 is closed. To do.

  Further, another air supply port 9 not passing through the duct of the floor portion 1a rotates the blades 11a,...

  Then, when the indoor unit 30 of the air conditioner is operated, as shown in FIG. 7, a gap or a staircase of a door (not shown) provided on the intermediate wall 1 f from the space 52 on the second floor portion to the blow-off space 53. Cold air is convected through (not shown) or the like, and the space 52 in the second floor portion is cooled.

  Here, the air supply ports 70, 70 are provided with a louver (not shown), and the direction of the wind can be changed by changing the inclination of the louver automatically or manually by the controller 13A according to preference. Further, one of the air supply ports 70 and 70 can be closed.

  During this cooling operation, the controller 13A can set the desired humidity so that the dehumidifying function of the indoor unit 30 of the air conditioner can be used for dehumidification.

  In addition, the pattern at the time of the air-conditioning driving | operation of the space 51 of the 1st floor part is as having demonstrated in Example 1. FIG.

  Here, air convection between the first-floor space 51 and the blow-through space 53 is sufficiently possible through a gap between doors (not shown) provided on the intermediate wall 1f.

  Next, the effect of Example 2 is demonstrated.

  In the air conditioning system according to the second embodiment, the first floor space 51, the second floor space 52, and the atrium space 53 are provided in the floor space 5 of the building 1 </ b> A.

  And the air supply openings 70 and 70 are provided in the floor part 1g of the space 52 of the 2nd floor part, and the air supply openings 70 and 70 and the blow-off part 34 for the 2nd floor of the indoor unit 30 of the air conditioner as an air conditioner. The space is connected by a duct 83.

  With this configuration, the space 52 on the second floor can be cooled and heated.

  Other configurations and functions and effects are substantially the same as those in the first embodiment, and thus description thereof is omitted.

  Next, Example 3 will be described.

  In addition, the description which attaches | subjects the same code | symbol about the description of the part same or equivalent to the content demonstrated in Example 1,2.

  FIG. 8 shows a schematic configuration of a building 1B provided with the air conditioning system of the third embodiment in plan view.

  In the building 1B of the third embodiment, the space 51 on the first floor includes a first living room space 51A used for a living / dining / kitchen room, a non-residential space 51B used for a hall or a corridor, a bedroom, It comprises a second living room space 51C used in the living room or the like.

  Further, the indoor unit 30A of the air conditioner as the air conditioner has four suction portions 31 and two exhausts provided in the floor portion 1a of the first living room space 51A and the non-living room space 51B. It is connected to each of the ports 6.

  Further, the on-floor blowing section 32 provided with the on-off valve 32a made of an electric damper or the like is connected to the duct 82, connected to the ducts 82A and 82A through the two-branch chamber 321, and further through the two-branch chamber 322. The ducts 82B,... Are respectively connected to the four air supply openings 7,... Provided in the floor portion 1a of the first living room space 51A.

  The underfloor blowing section 33 provided with the on-off valve 33a made of an electric damper or the like is connected to the duct 84, and the ducts 84A and 84A are connected to each other through the two-branch chamber 331.

  And the 6 branch chamber 332 as a branch chamber is connected to the front-end | tip of one duct 84A, and this 6 branch chamber 332 is arrange | positioned in the underfloor space 4 under the substantially center of the 1st living room space 51A. Has been.

  A two-branch chamber 333 as a branch chamber is connected to the tip of the other duct 84A, and this two-branch chamber 333 is substantially at the center of the non-residential space 51B, that is, at the center of the space 51 on the first floor portion. The lower floor space 4 is disposed below.

  In addition, another air supply port 9 not passing through two ducts is provided in the floor portion 1a of the first living room space 51A, and the floor portion 1a of the non-living room space 51B and the second living room space 51C is provided in the floor portion 1a. Another air supply port 9 that does not go through one duct is provided.

  Further, the second floor outlet 34 provided with an opening / closing valve 34a made of an electric damper or the like is connected to a duct 83, connected to ducts 83A and 83A via a two-branch chamber 341, and further connected to a two-branch chamber 342. The ducts 83 </ b> B,.

  The ducts 83B,... Are connected through the intermediate wall 1f to air supply ports 70,... Provided in the floor portion 1g of the space 52 in the second floor portion (not shown).

  That is, in the first living room space 51A used for a living / dining / kitchen room where many people gather, the air supply openings 7,... Are provided, so that air conditioning with immediate effect can be performed.

  The first living room space 51 </ b> A is provided with a six-branch chamber 332 as a branch chamber connected to the underfloor blowing section 33 in the lower underfloor space 4 substantially at the center. Since warm air can be blown out in multiple directions, underfloor heating can also be performed efficiently.

  Further, a two-branch chamber 333 as a branch chamber connected from the underfloor blowing section 33 is provided in the underfloor space 4 below the substantially center of the non-residential space 51B, that is, substantially at the center of the space 51 on the first floor. In addition, since another air supply port 9 that does not pass through the duct is provided substantially evenly in the vicinity of the outer peripheral portion of the space 51 of the first floor portion, warm air can be blown out in multiple directions of the underfloor space 4. The floor heating of the entire space 51 on the first floor including the non-living space 51B can be efficiently performed.

  That is, the temperature difference between the room spaces 51A and 51C and the non-room space 51B can be reduced, and heat shock can be prevented.

  Other configurations and functions and effects are substantially the same as those of the first and second embodiments, and thus description thereof is omitted.

  Next, Example 4 will be described.

  In addition, the description which attaches | subjects the same code | symbol about the description of the same thru | or equivalent part as the content demonstrated in Example 1, and demonstrates.

  FIG. 9 shows a schematic configuration of a building 1C provided with the air conditioning system of the fourth embodiment.

  The building 1C of the fourth embodiment is mainly different from the building 1 of the first embodiment in that the exhaust port 6 and the suction portion 31 of the indoor unit 3 of the air conditioner are not connected by the duct 81.

  For this reason, the degree of freedom of the installation position of the indoor unit 3 of the air conditioner is improved, and the duct 81 can be omitted, which can be implemented economically.

  Other configurations and functions and effects are substantially the same as those in the first embodiment, and thus description thereof is omitted.

  Next, Example 5 will be described.

  In addition, the description which attaches | subjects the same code | symbol about the description of the same thru | or equivalent part as the content demonstrated in Example 1, and demonstrates.

  FIG. 10 shows a schematic configuration of a building 1D provided with the air conditioning system of the fifth embodiment.

  In the building 1D of the fifth embodiment, the indoor unit 3 of the air conditioner is provided with an underfloor suction portion 31A, and the floor portion 1a is not provided with another air supply port 9 that does not include a duct. Is mainly different from the building 1 of the first embodiment.

  That is, when it is desired to heat the underfloor space 5 by underfloor heating, the warm air is blown out from the underfloor blowing portion 33 of the indoor unit 3 of the air conditioner and only in the underfloor space 4 sucked into the underfloor suction portion 31A. Due to the convection, another air supply port 9 that does not pass through the duct becomes unnecessary.

  For this reason, the design external appearance of the space 5 on the floor can be improved to the extent that it is not necessary to provide another air supply port 9 without a duct.

  Other configurations and functions and effects are substantially the same as those in the first embodiment, and thus description thereof is omitted.

  As mentioned above, although the form for implementing this invention was explained in full detail based on Examples 1-5 with reference to drawings, specific structure is not restricted to these Examples 1-5, this invention. Design changes that do not depart from the gist of the present invention are included in the present invention.

  For example, in the first to fifth embodiments, the structures of the buildings 1, 1A, 1B, 1C, and 1D are simplified so that the air conditioning system of the present invention can be easily described. However, the present invention is not limited to this.

  That is, in a building having a plurality of rooms composed of three or more floors, the air conditioning system of the present invention may be applied to each room.

  Here, in Examples 1 to 5, the buildings 1, 1 </ b> A, 1 </ b> B, 1 </ b> C, and 1 </ b> D are implemented as unit buildings.

  Moreover, in Examples 1-5, although the indoor unit 3,30,30A of the air conditioner as an air conditioner was installed and implemented in the underfloor space 4, it is not limited to this, and if necessary, a plurality of units May be installed and implemented.

  Furthermore, in Example 1-5, although implemented using the indoor unit 3,30,30A of a heat pump type air conditioner as an air conditioner, it is not limited to this.

  For example, when only the heating operation is intended, the air conditioner may be implemented using an electric heater or the like.

  Alternatively, the air conditioner may be implemented as a structure in which the portion having the floor heat dissipating cooler is an indoor unit of an air conditioner and the portion having the floor heat dissipating portion is an electric heater.

  Moreover, in Example 1-5, one fan is incorporated in indoor unit 3,30,30A of the air conditioner as an air conditioner, the blowout part 32 for floors as a radiation cooling part for floors, and heat radiation for floors Although the on-off valves 32a and 33a are respectively provided in the underfloor blowing section 33 as a section, the present invention is not limited to this, and a fan is separately provided in the on-floor blowing section 32 and the underfloor blowing section 33. Thus, the control may be performed independently.

  Furthermore, in Examples 1-5, although the air conditioner was implemented with the indoor unit 3,30,30A of one air conditioner, it is not limited to this, and it is for floor use to the indoor unit of two or more air conditioners You may implement so that it can control independently by providing the blowing part 32 and the blowing part 33 for underfloors separately, respectively.

  In Examples 1, 3, 4, and 5, the exhaust port 6, the air supply port 7, and another air supply port 9 that does not pass through the duct are provided in the floor portion 1a. However, the present invention is not limited to this. These may be provided on the inner wall of the floor space 5 or the like.

  Further, in the second embodiment, the air supply ports 70 and 70 are provided on the floor 1g of the space 52 on the second floor portion. However, the present invention is not limited to this, and these are provided on the inner wall of the space 52 on the second floor portion. May be implemented.

  In the second embodiment, the duct 83 is passed through the intermediate wall 1f. However, the present invention is not limited to this. For example, the duct 83 may be passed through the pillar.

  Further, in the third embodiment, the duct 83B is passed through the intermediate wall 1f, but the present invention is not limited to this. For example, the duct 83B may be passed through a pillar.

  Further, in the third embodiment, the 6-branch chamber 332 and the 2-branch chamber 333 as the branch chambers are connected to the underfloor blowing part 33 via the duct 84, the two-branch chamber 331, and the ducts 84A and 84A, respectively. Although it implemented, it is not limited to this, You may implement by connecting a branch chamber directly to the blowing part 33 for under floors.

  Further, in the third embodiment, the six-branch chamber 332 and the two-branch chamber 333 are used as the branch chambers. However, the present invention is not limited to this. Also good.

1 Building 1A Building 1B Building 1C Building 1D Building U1 Building unit U2 Building unit U3 Building unit U4 Building unit 1a Floor (floor)
1b Foundation floor concrete 1c Foundation side wall concrete (foundation of the outer periphery of the building)
1g Floor part (floor) of the second floor part (upper floor part)
1h Bundle-shaped foundation 1i Parts adjacent to each other 2 Outdoor unit of air conditioner 3 Indoor unit of air conditioner (air conditioner)
30 Indoor unit of air conditioner (air conditioner)
30A Indoor unit of air conditioner (air conditioner)
31 Suction part 31A Underfloor suction part 32 Blowout part for floor (radiation cooling part for floor)
33 Underfloor outlet (underfloor radiator)
34 Second floor outlet (upper floor outlet)
32a On-off valve 33a On-off valve 34a On-off valve 332 6 branch chamber (branch chamber)
333 Two-branch chamber (branch chamber)
4 Below-floor space 5 Above-floor space 51 First-floor space 52 Second-floor space (upper-floor space)
6 Exhaust port 7 Air supply port 70 Air supply port 81 Duct 82 Duct 82A Duct 83 Duct 83A Duct 83B Duct 84 Duct 84A Duct 9 Another air intake 10 Basic heat insulating material

Claims (18)

An air conditioning system in which an air conditioner is installed in the space under the building,
The air conditioner is provided with a floor heat radiation cooler, a floor heat radiation section, and a suction section,
The air conditioner is a device that blows out at least one of hot air and cold air, and the on-floor heat-dissipating cooler is a blowout unit on the floor,
An air supply opening is provided facing the space above the floor of the building,
The floor heat-dissipating cooler of the air conditioner and the air supply port are connected via a duct, and can be cooled by heat dissipating in the space above the floor,
The air conditioning system characterized in that the underfloor heat dissipating part of the air conditioner can dissipate heat to the underfloor space.   The exhaust port is provided facing the space above the floor, and the suction portion of the air conditioner is configured to be able to suck air in the floor space through the exhaust port. Air conditioning system.   The air conditioning system according to claim 2, wherein the exhaust port and the suction portion of the air conditioner are connected via a duct.   4. The air conditioning system according to claim 1, wherein the underfloor heat radiating unit of the air conditioner is an underfloor blowing unit that blows out warm air. 5.   An air supply port different from the air supply port is provided facing the space above the floor, and the other air supply port communicates between the space below the floor and the space above the floor. The air conditioning system according to any one of claims 1 to 4, wherein the air conditioning system is characterized in that:   The heat radiation cooling from the heat radiation cooler for floors of the air conditioner and the heat radiation from the heat radiation part for underfloors can be controlled independently of each other. The air conditioning system according to item 1.   The air conditioning system according to any one of claims 1 to 6, wherein an underfloor suction portion is provided in the air conditioner separately from the suction portion.   The floor space of the building is provided with a space of a first floor portion and a space of an upper floor portion, an air supply opening is provided facing the space of the upper floor portion, and the air supply opening and the space The air-conditioning system according to any one of claims 1 to 7, wherein the air-conditioning apparatus is also connected to the upper-floor outlet part by a duct.   The air conditioning system according to claim 5, wherein the another air supply port is openable and closable.   The air conditioning system according to any one of claims 1 to 9, wherein the air conditioner is an indoor unit of a heat pump type air conditioner, and is connected to an outdoor unit installed outdoors.   11. The underfloor space is surrounded by a floor of the building, foundation bottom concrete, and foundation side wall concrete, and a foundation heat insulating material is attached to the foundation side wall concrete. The air conditioning system according to any one of the above.   The air conditioning system according to claim 1, wherein the air conditioner has a dehumidifying function.   13. The control according to claim 1, wherein the air conditioner is controlled to dissipate heat from one or both of the on-floor heat dissipating cooler and the under-floor heat dissipating unit during heating operation. Air conditioning system.   13. The control according to claim 1, wherein when the air conditioner is in a cooling operation, control is performed such that the air is cooled from the heat radiation cooler on the floor and the heat is not dissipated from the heat radiation part below the floor. Air conditioning system.   The air conditioning system according to any one of claims 1 to 14, wherein a branch chamber is connected to the underfloor heat dissipating part of the air conditioner.   The air conditioning system according to any one of claims 1 to 15, wherein a plurality of the air conditioners are installed in the underfloor space.   A building comprising the air conditioning system according to any one of claims 1 to 16.   The building is a unit building formed by joining a plurality of factory-produced building units on-site, and the base of the outer periphery of the unit building is continuous in a plan view. The bottom of the part where the pillars are adjacent to each other in the corner part of the building unit is provided with a bundle-like foundation, but there is no foundation in the other part. building.

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