JP2017025522A - Air conditioning system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air conditioning system capable of adjusting a thermal environment indoors efficiently with a simple structure by utilizing an underfloor space of a building.SOLUTION: An air conditioning system adjusts temperature of a building 1 which includes a foundation structure 2 erected on the ground, and an upper structure 3 provided at an upper part of the foundation structure 2. An air conditioning indoor unit 8 for supplying warm air or cool air is provided at least at one place out of a plurality of underfloor small spaces 6 partitioned and formed by the foundation structure 2 and mutually communicating through a ventilation hole 7 formed in the foundation structure 2. At one part of a first floor layer 11 of the upper structure 3 which covers the upper part of the foundation structure 2 and which has a heat storage panel 12 having heat storage properties, a heat transfer part 13 in which the heat storage panel 12 is not provided is formed.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an air conditioning system provided with an air conditioning indoor unit that supplies warm air or cold air to the floor of a building.

  2. Description of the Related Art Conventionally, in a building such as a house, the temperature of the room is adjusted by directly heating or cooling the air using air conditioning equipment such as an air conditioner or a heater installed in the room. In this case, the room temperature can be adjusted to a desired temperature in a relatively short time. However, in order to maintain the temperature, the air conditioning equipment must be continuously operated. There was a problem that it was easy to return to the previous temperature.

  For such a problem, for example, Patent Document 1 discloses a device that supplies hot / cold air to an underfloor section of a building partitioned by a foundation structure, and a concrete that stores hot / cold heat of the hot / cold air supplied from the device. There has been disclosed a temperature control structure that controls the temperature of the upper structure of a building by installing a heat storage body composed of a block or the like and gradually releasing warm and cold heat stored in the heat storage body.

Japanese Patent Laying-Open No. 2005-163443

  However, the temperature control structure described in Patent Document 1 is a large-scale facility because it is necessary to stack and install a plurality of heat storage bodies composed of concrete blocks or the like for each of a plurality of subfloor compartments divided by a foundation structure. In addition, there is a problem that it is difficult to obtain a temperature control effect in an area where no heat storage body is installed in the lower floor section.

  Therefore, an object of the present invention is to provide an air conditioning system that can adjust an indoor thermal environment with a simple configuration and efficiently using an underfloor space of a building.

The present invention has been made to solve the above problems, and an air conditioning system according to the present invention includes a foundation structure standing on the ground and an upper structure provided on an upper portion of the foundation structure. An air conditioning system that adjusts the temperature of the building provided,
An air conditioning indoor unit is provided that supplies hot air or cold air to at least one of a plurality of sub-floor small spaces that are partitioned by the foundation structure and communicate with each other through ventilation holes formed in the foundation structure. ,
A heat transfer part that does not provide the heat storage panel is formed in a part of the first floor layer of the upper structure that covers the upper part of the foundation structure and has a heat storage panel having heat storage properties. is there.

  Moreover, in the air conditioning system of this invention, it is preferable that the said heat-transfer part is provided in the non-air-conditioning room which has not provided the air-conditioning equipment in the room.

  Moreover, in the air conditioning system of this invention, it is preferable that the said heat-transfer part is formed in the lid shape which can be attached or detached freely.

  Further, in the air conditioning system of the present invention, an indoor outlet hole is formed in the heat transfer portion so as to pass through the heat transfer portion and communicate the small space under the floor and the indoor space of the upper structure. Is preferred.

  Moreover, in the air conditioning system of this invention, it is preferable that the said heat-transfer part is provided in the said underfloor small space different from the origin floor underfloor small space to which the warm air from the said air-conditioning indoor unit is supplied.

  Further, in the air conditioning system of the present invention, the air conditioning indoor unit has a pipe for supplying hot air or cold air to a base floor small space different from the floor small space provided with the air conditioning indoor unit. Is preferred.

  Moreover, in the air conditioning system of this invention, it is preferable that the said air conditioning indoor unit has the said some piping which supplies warm air or cold air to the said different base point floor small space, respectively.

  In the air conditioning system of the present invention, it is preferable that an outside air introduction section for introducing outside air into the underfloor small space is provided in the underfloor small space.

  ADVANTAGE OF THE INVENTION According to this invention, the air conditioning system which can adjust an indoor thermal environment efficiently with a simple structure using the underfloor space of a building can be provided.

It is sectional drawing seen from the side surface of the building which installed one Embodiment of the air conditioning system which concerns on this invention. It is a top view which shows the underfloor space of the building which installed one Embodiment of the air conditioning system which concerns on this invention. It is a top view which shows the floor plan of the first floor of the building shown in FIG. (A) is sectional drawing which shows an example of the underfloor inspection port of the building shown in FIG. 3, (b) is sectional drawing which shows another example.

  Hereinafter, an embodiment of an air conditioning system according to the present invention will be described in detail with reference to the drawings. Drawing 1 is a sectional view seen from the side showing the outline of building 1 to which the air-conditioning system of this embodiment is applied.

  The building 1 is, for example, a two-story industrialized house having a steel frame structure. As shown in FIG. 1, the reinforced concrete foundation structure 2 erected (fixed) on the ground, and columns and beams. And an upper structure 3 fixed to the foundation structure 2. The building 1 is a highly heat-insulated house whose Q value (heat loss coefficient) is suppressed to 1.5 W / m 2 K or less. The structural members constituting the frame of the upper structure 3 are standardized (standardized) in advance. Therefore, the structural member is manufactured at the factory, and the frame of the upper structure 3 is assembled at the construction site.

  The foundation structure 2 supports the upper structure 3. Specifically, the foundation structure 2 is a cloth foundation having a T-shaped cross section made of reinforced concrete, and includes a footing portion 4 and a rising portion 5 as a foundation beam. The foundation structure 2 partitions the underfloor space of the building 1 into a plurality of underfloor small spaces 6. A ventilation hole 7 is formed in the upper part of the rising part 5, and the adjacent underfloor small spaces 6 communicate with each other with the rising part 5 interposed therebetween. In addition, the ventilation hole 7 is not provided in the outer peripheral part of the foundation structure 2 except the external air introducing | transducing part 14 so that the hot and cold heat in the underfloor small space 6 may not spread outside.

  Here, FIG. 2 is a plan view showing the space under the floor of the building 1. As shown in FIGS. 1 and 2, one of the small underfloor spaces 6 of the plurality of small underfloor spaces 6 defined by the foundation structure 2 has hot air or cold air (hereinafter also referred to as “hot / cold air”). .) Is provided, and is connected to an air conditioner outdoor unit 9 installed outdoors. The air-conditioning indoor unit 8 and the air-conditioning outdoor unit 9 are not particularly limited. The air-conditioning indoor unit 8 and the air-conditioning outdoor unit 9 are well-known air conditioners that can supply hot air or cold air or hot air and cold air to at least one small space 6 under the floor. The device can be used. The air conditioning indoor unit 8 and the air conditioning outdoor unit 9 are connected by a heat transfer path such as a hose or piping through which a heat medium circulates. In addition, the place where the air-conditioning indoor unit 8 is installed is not particularly limited as long as hot and cold air can be supplied to the underfloor small space 6.

  In the present embodiment, two pipes 10 are provided in the air conditioning indoor unit 8. Each of the two pipes 10 extends to a separate base floor small space 6 a different from the floor under space 6 in which the air conditioning indoor unit 8 is arranged, and from each outlet 10 a provided at the tip of each pipe 10 It is set as the structure which blows off warm air with respect to the small space 6a. In addition, in FIGS. 1-3, the flow of air is shown with the arrow of the dashed-two dotted line.

  As shown in FIG. 1, the upper part of the foundation structure 2, that is, the upper part of the underfloor small space 6 is covered with the first floor layer 11 of the upper structure 3. The first floor layer 11 is provided with a heat storage panel 12 having heat storage properties. As the heat storage panel 12, for example, an ALC (lightweight aerated concrete) panel can be used, but is not limited to this, and a panel-like member made of any material having appropriate heat storage properties and heat insulation is used. be able to.

  A part of the first-floor floor 11 is provided with an underfloor inspection port 13 as a heat transfer section in which the heat storage panel 12 is not disposed. The underfloor inspection port 13 has a high thermal conductivity as compared with the portion where the heat storage panel 12 is provided, and is configured to easily transmit the heat from the underfloor small space 6 to the indoor space of the upper structure 3.

  Here, FIG. 3 is a plan view showing the floor plan of the first floor of the building 1 corresponding to the plan view of the underfloor space shown in FIG. As shown in FIG. 3, on the first floor of the building 1, there are a porch 21, an entrance 22, a hall 23, a storage 24, a bathroom 25, a washroom 26, a toilet 27, a living room / dining room 28, a kitchen 29, a Western-style room 30 and the like. Is provided. In the present embodiment, the underfloor inspection port 13 is provided in the storage 24, the washroom 26, the toilet 27, and the kitchen 29. The underfloor inspection port 13 provided in the container 24 is formed with an indoor outlet hole 13a that penetrates the underfloor inspection port 13 and communicates the small underfloor space 6 and the indoor space. When such an indoor blowing hole 13a is provided, the hot and cold air from the underfloor small space 6 can be directly introduced into the indoor space. Therefore, the hot and cold heat from the underfloor small space 6 is easily transmitted to the indoor space. Become.

  The underfloor inspection port 13 can be formed as a lid that can be detached or opened / closed via a hinge or the like. For example, as shown in FIG. Alternatively, as shown in FIG. 4B, two doors may open from the center to both sides. In addition, in this embodiment, although the heat-transfer part was made into the underfloor inspection port 13 which can be opened and closed, it is not limited to this, A heat-transfer part is good also as a structure which cannot be attached or detached and opened and closed.

  As shown in FIG. 2, in the present embodiment, the underfloor inspection port 13 is formed in a small underfloor space 6 that is different from the base underfloor small space 6 a to which hot and cold air from the air conditioning indoor unit 8 is supplied. With such a configuration, the hot and cold air supplied from the air conditioning indoor unit 8 through the outlet 10a of the pipe 10 reaches the underfloor inspection port 13 through the ventilation holes 7 to form a plurality of underfloor small spaces 6. Will pass. As a result, since the heat and cold heat is stored in the heat storage panel 12 in the plurality of small underfloor spaces 6, a temperature adjustment effect can be obtained over a wide range. In addition, by setting a plurality of hot and cold air paths from the base floor small space 6a to the underfloor inspection port 13 by a plurality of pipes 10 so that the heat and cold heat spreads under the entire floor, the entire underfloor of the building 1 is The indoor thermal environment can be brought close to a uniform and comfortable state as a whole.

  As shown in FIGS. 1 and 2, it is also possible to provide an outside air introduction section 14 having an air supply fan or the like in the underfloor small space 6 and supply outside air to the underfloor small space 6. It is preferable that the outside air introduction unit 14 is provided in a path of hot and cold air from the above-mentioned basic underfloor small space 6a to the underfloor inspection port 13, and according to this, fresh fresh air is appropriately mixed with the hot and cold air circulating under the floor. And can improve comfort. In addition, when ventilating an indoor space, rather than taking outside air directly into the room, it can be mixed with hot and cold air under the floor and then supplied to the room, preventing the room temperature from suddenly rising or falling due to outside air. can do.

  It is preferable that the outside air introduction unit 14 is provided with a filter for removing pollen and dust contained in the taken outside air, and the purified air is supplied to the small space 6 under the floor. In addition, as shown in FIG. 1, an exhaust duct 15 including an exhaust fan or the like can be provided in each room of the upper structure 3 to promote ventilation.

  Moreover, as shown to FIG. 1, FIG. 4 (a), the base heat insulation member 16 can be provided in the inner surface of the standing part 5 of the foundation structure 2, and the heat insulation of the underfloor small space 6 can be improved. As the basic heat insulating member 16, for example, a foamed polystyrene foam formed in a plate shape can be used, but is not limited thereto.

  According to the air conditioning system of the present invention having the above-described configuration, the first floor layer 11 having the heat storage panel 12 is used to adjust the temperature of the indoor space using the air conditioning indoor unit 8 provided under the floor of the building 1. By providing the underfloor inspection port 13 as a heat transfer part in a part of the heat transfer, it is possible to preferentially convey the heat and cold from the portion where the underfloor inspection port 13 is provided to the indoor space. Thereby, it becomes possible to achieve both the overall temperature control of the building 1 and the local temperature control. For example, a comfortable thermal environment can be obtained even in a non-air-conditioned room where it is difficult to adjust the temperature by providing the underfloor inspection port 13 in a non-air-conditioned room such as the washroom 26 and the toilet 27 that are not provided with air-conditioning equipment. It becomes possible. Moreover, as a whole, the heat storage panel 12 provided in the first floor layer 11 can store the heat / cool heat from the underfloor small space 6 and release the heat / cool heat gradually over time. Can be maintained in a comfortable state for a long time without being placed under the floor. That is, according to the air conditioning system of the present invention, it is possible to efficiently adjust the indoor thermal environment with a simple configuration using the underfloor space of the building 1.

  Moreover, since the underfloor small space 6 is mutually connected via the ventilation hole 7, the warm air from the air-conditioning indoor unit 8 can be distribute | circulated over the whole underfloor space of the building 1. FIG. Therefore, it becomes possible to adjust the temperature of the space under the floor uniformly as a whole. From this point of view, when determining the positions of the outlet 10 a and the underfloor inspection port 13, the hot and cold air discharged from the outlet 10 a to the base point underfloor small space 6 a is desired via the ventilation hole 7. It is preferable to consider passing through all the underfloor small spaces 6 toward the underfloor inspection port 13.

  In addition, the air conditioning system of the present invention is simple in configuration and easy to install, and thus is suitable for application to an existing building, and can improve the thermal performance of the building. In addition, when installing the air conditioning system of this invention in the existing building, it is preferable to block the ventilation hole normally formed in the outer peripheral part of the foundation structure 2. FIG. According to this, it is possible to prevent the hot and cold air supplied from the air conditioning indoor unit 8 from being released to the outdoors, and to suppress a decrease in the temperature control effect of the air conditioning system.

DESCRIPTION OF SYMBOLS 1 Building 2 Foundation structure 3 Upper structure 4 Footing part 5 Standing part 6 Floor small space 6a Base floor small space 7 Ventilation hole 8 Air-conditioning indoor unit 9 Air-conditioning outdoor unit 10 Piping 10a Air outlet 11 1st floor layer 12 Thermal storage panel 13 Underfloor inspection port (heat transfer section)
13a Indoor blowout hole 14 Outside air introduction part 15 Exhaust duct 16 Basic heat insulation layer 21 Pouch 22 Entrance 23 Hall 24 Packing room 25 Bathroom 26 Washroom 27 Toilet 28 Living room / dining room 29 Kitchen 30 Western-style room

Claims (8)

An air conditioning system that adjusts the temperature of a building including a foundation structure standing on the ground and an upper structure provided on top of the foundation structure,
An air conditioning indoor unit is provided that supplies hot air or cold air to at least one of a plurality of sub-floor small spaces that are partitioned by the foundation structure and communicate with each other through ventilation holes formed in the foundation structure. ,
An air conditioning system in which a heat transfer portion that does not include the heat storage panel is formed in a part of the first floor layer of the upper structure that covers the upper portion of the foundation structure and has a heat storage panel having heat storage properties.   The air conditioning system according to claim 1, wherein the heat transfer unit is provided in a non-air-conditioned room in which no air-conditioning equipment is provided in the room.   The air conditioning system according to claim 1 or 2, wherein the heat transfer unit is formed in a lid shape that is detachable or openable and closable.   The indoor blow-out hole which penetrates the heat transfer part and communicates the underfloor small space and the indoor space of the upper structure is formed in the heat transfer part. Air conditioning system.   The air conditioning system according to any one of claims 1 to 4, wherein the heat transfer unit is provided in the underfloor small space different from a base floor underfloor small space to which hot air or cold air from the air conditioning indoor unit is supplied. .   6. The air conditioning indoor unit according to claim 1, wherein the air conditioning indoor unit has a pipe for supplying hot air or cold air to a base floor small space different from the small floor below where the air conditioning indoor unit is provided. Air conditioning system.   The air conditioning system according to claim 6, wherein the air conditioning indoor unit includes a plurality of the pipes that supply hot air or cold air to the different small space below the base floor.   The air conditioning system according to any one of claims 1 to 7, wherein an outside air introduction unit that introduces outside air into the underfloor small space is provided in the underfloor small space.

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