JP3185552U - Air conditioning system - Google Patents

Abstract

An air conditioning system is provided for improving the warming of the air in a pipe buried in the ground by exchanging heat with soil.
When introducing outside air sucked from the outside of a building K into the building as air-conditioned outside air that has been air-conditioned, a plurality of electric resistance heating panels 102 are provided on the soil surface of the foundation portion surrounded by the foundation protrusion KT. It installs and the soil D is made into a heat storage state by this electrical resistance heating panel 102. The heat exchanging pipe 300 is embedded in the soil D which is in a heat storage state by the electric resistance heating panel 102, and the diameter and the embedding path length of the heat exchanging pipe 300 are the inner volume of the residential area J3 from which the conditioned outside air is derived It is determined according to. Therefore, the heat exchanging pipe 300 heats the outside air supplied into the pipe from the outside air suction pipe section 310 with the heat-stored soil for air conditioning, and the conditioned outside air passes through the air supply pipe section 320 to be a residential area. Derived to J3.
[Selection] Figure 6

Description

  The present invention relates to an air conditioning system.

  In recent years, various air conditioning systems using underground heat have been proposed (for example, Patent Document 1).

JP 2003-35456 A JP 2005-283007 A JP 2007-33360 A Japanese Patent No. 4694168

  When using geothermal heat for air conditioning, it is desirable that the geothermal heat to be exchanged is constant without being influenced by the outside air temperature. Therefore, in the above Patent Documents 2 to 3, as estimated from the illustrated residence scale, the pipe is embedded at a depth of about several meters, or the pipe is disposed over a pipe line exceeding several tens of meters. As a result, there is room for improvement in workability. On the other hand, in patent document 1, the concrete between concrete can be made thick and the embedding depth of a pipe can be made shallow, and workability is improved by that much. However, concrete is inferior in heat storage as compared with soil, and therefore, it is feared that the air conditioning system of Patent Document 1 has difficulty in raising the temperature of air sufficiently, particularly in winter. In Patent Document 4, since the soil is in a heat storage state using a heater, it can be assumed that this heat storage soil is used as a heat source for heat exchange with the air in the underground pipe. There is still room for improvement in the construction for embedding and holding the heater and associating the heating element with the pipe. In addition, simplification of the structure of the air conditioning system and anti-mold measures are also required.

  In order to achieve at least a part of the above-described problems, the present invention can be implemented as the following forms.

  (1) According to one aspect of the present invention, an air conditioning system is provided. This air-conditioning system is an air-conditioning system that air-conditions outside air sucked from the outside of the building and guides it into the building. The surface of the soil is surrounded by a foundation convex portion that receives the foundation of the building, or the surface of the soil. A plurality of heating elements that are energized to generate heat and store the soil in a heat storage state, and heat exchange pipes that are buried in the soil, A heat exchanging pipe having a diameter determined according to the internal volume of the building or the degree of ventilation required inside the building, and a buried length determined according to the internal volume or the degree of ventilation; Air supply means for supplying the outside air to the replacement pipe from the outside of the building, and air-conditioned outside air that has been air-conditioned through heat exchange with the soil while passing through the heat exchange pipe, before the derivation target And a gas supply means for supplying air to the inside building. In the air conditioning system of the above-mentioned form, the soil can be stored in heat by heat generated by a plurality of heating elements, and the heat exchange pipe embedded in the heat-stored soil allows the outside air already supplied in the pipe to be stored in the heat-stored soil. Air-conditioning through heat exchange. Since the heat storage state of the soil by multiple heating elements can be changed in various ways by heating control of the heating elements, the air conditioning system of the above embodiment can guide the warmed outside air into the building even in the severe winter season Can do. In addition, in the air conditioning system of the above embodiment, the diameter and embedment length of the heat exchange pipe are already defined according to the internal volume or the degree of ventilation inside the building from which air-conditioned outside air is derived, so Insufficient heat exchange in the building can be suppressed, and the effectiveness of the derivation of warm outside air into the building can be enhanced.

  In addition, in the air conditioning system of the above form, the heat of the heating element is heated to the surface concrete and the foundation concrete covering the heating element, and is also transmitted to the soil under the foundation concrete so that the soil is in a heat storage state and is stored in the soil. The building floor can be heated by radiating the heat and the heat that warms the surface layer concrete and the foundation concrete to the gap between the lower surface of the building floor and heating the building floor. As a result, according to the air conditioning system of the above embodiment, the floor heating of the building is attempted, and the outside air that has been sufficiently warmed is guided to the inside of the building, so that the heating efficiency inside the building is increased.

  Further, in the air conditioning system of the above embodiment, since heating is not required, for example, in summer, the energization of the heating element can be stopped so that the soil is not in a heat storage state. Heat exchange with the outside air can be cooled. Therefore, according to the air conditioning system of the said form, in the summer etc. which do not require heating, cooled air can be derived | led-out inside a building and the air_conditioning | cooling inside a building or the assistance of air_conditioning | cooling by a cooling device can be performed.

  (2) In the air conditioning system of the above aspect, the heat exchange pipe has a diameter of 100 to 150 mm and 10 to 15 m determined according to the internal volume, if the building is a residential building having a residential area. Can have a buried length. By so doing, heat exchange shortage with the outside air can be more reliably suppressed, so that the effectiveness of the derivation of the warmed outside air into the building can be further enhanced.

  (3) In any one of the above-described air conditioning systems, the heat exchanging pipe may be held by the basic convex portion by being embedded in the soil through the basic convex portion. . In this way, since the embedment locus of the heat exchange pipe can be ensured, the displacement of the pipe locus can be suppressed even when an external force reaches the heat exchange pipe due to an earthquake or the like.

  (4) In any one of the above-described air conditioning systems, the heat exchange pipe may be coated with an inner wall of the mold with an antifungal agent. In this way, even if the heated outside air is cooled through heat exchange with the heat-storing soil and dew condensation occurs on the inner wall of the pipe, generation of mold can be suppressed, and abnormal odor due to mold can be suppressed.

  (5) In the air conditioning system according to any one of the forms described above, the pipe end is embedded in the soil in a downwardly inclined pipe path toward the pipe end portion on the air supply means side, and the pipe end at the end of the pipe path The moisture in the pipe can be discharged from the branch of the heat exchanging pipe from the branching officer branched from the section. If it carries out like this, since the water | moisture residue in a pipe can be suppressed, it becomes useful from the suppression of mold | fungi generation | occurrence | production and a malodor control.

  (6) In the air conditioning system of the above-described form, the heat exchange pipe can discharge the moisture in the pipe from the branch officer to a drainage basin outside the building. In this way, moisture once discharged from the heat exchanging pipe to the outside can hardly be returned to the heat exchanging pipe even if it is in the state of water vapor, which is more beneficial from the viewpoint of suppressing a strange odor.

  The present invention can be realized in various forms. For example, the present invention can be applied to a large-scale building such as a gymnasium, a lecture hall, a movie theater as well as a residential building having a plurality of residential areas. .

It is explanatory drawing for demonstrating the outline | summary of the floor heating building using the floor heating combined use air conditioning system 100 as embodiment of this invention. It is explanatory drawing for demonstrating the relationship between the structure of a floor heating combined use air conditioning system 100, and a building floor. It is explanatory drawing which shows the installation area | region of the electrical resistance heating panel 102, and the embedment path | route of the heat exchange pipe 300 in a perspective. It is explanatory drawing which shows the mode of installation of the electrical resistance heating panel 102 in a planar view schematically. It is explanatory drawing which shows the mode of the embedding path | route of the pipe 300 for heat exchange roughly by planar view. It is explanatory drawing which shows the mode of embedding of the pipe 300 for heat exchange in the floor heating combined use air conditioning system 100 of this embodiment in a schematic longitudinal cross-sectional view. It is explanatory drawing which shows the mode of embedding of the pipe 300 for heat exchange in the floor heating combined use air conditioning system 100A of embodiment which provided the external air suction pipe part 310 inside the building K in a schematic longitudinal cross-sectional view. Moreover, it is explanatory drawing which shows the mode of embedding of the pipe 300 for heat exchange in the floor heating combined use air conditioning system 100B of another embodiment roughly by a longitudinal cross-sectional view.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is an explanatory diagram for explaining an outline of a floor heating building using a floor heating combined air conditioning system 100 as an embodiment of the present invention, and FIG. 2 shows a configuration of the floor heating combined air conditioning system 100 and a building floor. It is explanatory drawing for demonstrating a relationship.

  As shown in the figure, the building K is a residential building having a plurality of residents' residential areas, and is provided with a floor heating combined air-conditioning system 100 as an embodiment at the foundation of the building K, and the control device 200 is provided. , For example, on the foundation or building wall. In the present embodiment, the control device 200 is incorporated in an openable / closable box (not shown) having a dustproof and waterproof function, and the box is embedded in the base portion. When the control device 200 is installed on a building wall surface, it may be installed at an appropriate place where it can be operated. The floor heating combined air conditioning system 100 is for making the soil under the building K in a heat storage state. As shown in detail in FIG. 2, electric resistance heating is performed on the upper surface of the soil D of the foundation portion of the building K. It has the panel 102, the concrete layer 105, the heat insulating body 107, and the pipe 300 for heat exchange. In this case, the electrical resistance heating panel 102 can be disposed on the upper surface of the foundation concrete that has been constructed so as to cover the soil D, and the foundation foundation concrete that has been constructed has a thickness of at least 100 to 150 mm. And it is desirable in the heat storage of the soil D mentioned later. In the following description, the configuration in which the electrical resistance heating panel 102 is disposed on the surface of the soil D is performed, and the description of the configuration in which the electrical resistance heating panel 102 is disposed on the surface of the foundation concrete that has been applied is omitted.

  The electric resistance heating panel 102 has a flat plate shape and is configured to generate heat in a planar shape by an electric resistance heating wire that is folded back with watertightness, and is described later on the surface of the soil D or the surface of the foundation concrete that has already been constructed. There are multiple installations. The concrete layer 105 covering the electric resistance heating panel 102 has a gap T of 50 to 300 mm between the lower surface of the building floor 150 of the building K and a thickness of 100 to 300 mm. 102 is covered, and functions such as prevention of water intrusion into the lower layer and protection of the lower layer are performed. The heat insulating body 107 is mounted on the base convex portion KT that rises from the soil D and receives the base 150D of the building K, and insulates the below-mentioned building floor area, which will be described later, surrounded by the base convex portion KT. In addition, the foundation convex part KT may be configured as a cloth foundation or a solid foundation. Further, the heat insulator 107 may be omitted.

  In constructing the above-mentioned floor heating combined air-conditioning system 100 in the soil D, a lowermost sand layer (not shown) is formed on the upper surface of the soil D with a thickness of about 30 mm using mountain sand without pebbles and the like. A resistance heating panel 102 may be installed. Further, before covering the electric resistance heating panel 102 with the concrete layer 105, the electric resistance heating panel 102 is covered in advance with a sand layer (upper sand layer) of about 50 mm using mountain sand without pebbles and the like. It can also be covered with 105. In this case, the electric resistance heating panel 102 is covered with two layers of the upper sand layer and the concrete layer 105 thereon. A moisture-proof film (not shown) may be interposed at the boundary between the upper sand layer and the concrete layer 105.

  The floor heating / air-conditioning system 100 having the above-described configuration causes the panel to generate heat by energizing the electric resistance heating panel 102 to make the soil D into a heat storage state, and forms a reverse dome-shaped heat storage layer Dh on the soil D. The state of formation of such a heat storage layer Dh is not different from the existing configuration proposed in Patent Document 4 above.

  The heat exchanging pipe 300 is a pipe made of vinyl chloride embedded at a predetermined embedding depth DL in the soil D, which is formed into an inverted dome-shaped heat storage layer Dh by the electric resistance heating panel 102, and the air inside the soil D Heat exchange with the heat storage layer Dh. The diameter of the heat exchanging pipe 300 and the embedment path length PL are determined according to the internal volume of the derivation target of the air-conditioned outside air such as the living room of the building K. The embedding depth DL and diameter of the heat exchange pipe 300 and the embedding path length PL will be described later.

  Next, how the electric resistance heating panel 102 and the heat exchange pipe 300 are installed will be described. FIG. 3 is an explanatory view schematically showing an installation region of the electric resistance heating panel 102 and an embedding path of the heat exchange pipe 300 in a perspective view, and FIG. 4 is a schematic plan view showing the electric resistance heating panel 102 being installed. FIG. 5 is an explanatory diagram schematically showing a state of the burial path of the heat exchange pipe 300 in plan view.

  As shown in the drawing, the foundation convex portion KT partitions the foundation 150D in the living space section of the building K. In this embodiment, the area surrounded and divided by the basic convex portion KT is, as shown in FIGS. 3 to 4, a first underfloor area R1 to a fifth underfloor area R5, and a fifth underfloor area R5. Is an area excluding the soil foundation DK between the entrance soils. And in the floor heating combined use air-conditioning system 100 of this embodiment, as shown in FIG. 4, the electrical resistance heating panel 102 is put on the surface of the soil D for each underfloor region of the first underfloor region R1 to the fifth underfloor region R5. Prepare multiple installations. The electrical resistance heating panel 102 thus installed generates heat under the control of the control device 200 described later, transmits the heat to the soil D, and puts the soil D into a heat storage state. The number of installed electrical resistance heating panels 102 for each underfloor region in the first underfloor region R1 to the fifth underfloor region R5 is set according to the size of each underfloor region and the position occupied by each underfloor region in the building K. In this case, if the building K is a wide one-story building such as a gymnasium or a public hall, the areas under the floors are substantially the same, and therefore the same number of electrical resistance heating panels 102 may be installed. Note that heat storage of the soil D by the electric resistance heating panel 102 is performed after being covered with the concrete layer 105 (see FIG. 1), and reflected heat from the concrete layer 105 is also transmitted to the soil D.

  In the present embodiment, the building floor 150 of the building K is, as shown in FIG. 2, from the floor heating / air conditioning system 100 side, a base 150D, a large draw 151, a joist 152, a floor base material 153, and a flooring material 154. A gap T between the building floor 150 and the surface layer of the floor heating / air-conditioning system 100 is formed by the large draw 151 and the joist 152 spanned over the base 150D. In other words, the gap T can be made various by changing the size of the large draw 151 and the joist 152, or by changing the thickness of the concrete layer 105. This gap T can be used as an air conditioning system for floor heating. It is defined according to the degree of heating demand at the installation location of 100, specifically the heating temperature and frequency, etc., the degree of air conditioning of air-conditioned air led out to the living space, and the state of soil heat storage by the floor heating combined air conditioning system 100 .

In the present embodiment, a living space corresponding to the third floor area R3 having the largest area, for example, a high internal volume residential area J3 in which the living room and the kitchen are connected, is air-conditioned by the heat exchange pipe 300 of the floor heating / air conditioning system 100. Spent air was derived. And this dwelling area J3 is a 1st floor dwelling whose height and width are about 4mx10m and the ceiling height is about 3m. In this embodiment, the heat exchanging pipe 300 is embedded in the soil D in this dwelling area J3. About this heat exchange pipe 300, depending on the internal volume (120 m ³ ) of the residential area J3 corresponding to the third underfloor area R3 of the maximum area, a commercially available pipe made of vinyl chloride having a pipe diameter of 100 to 150 mm (for example, 120 mm), and the buried path length PL was 15 m. The burial path of the heat exchange pipe 300 can be arbitrarily set in the third underfloor region R3. In the present embodiment, as shown in FIGS. 3 and 5, outside air suction to the heat exchange pipe 300 is performed by the basic convex portion KT. The outside air suction pipe section 310 outside the building and the residential area J3 corresponding to the third floor area R3 having the largest area are inside the foundation convex part KT and below the building floor 150, the air supply pipe section In consideration of what is performed at 320, the heat exchanging pipe 300 was bent in a U-shape and embedded in the soil D as shown in FIGS. At this time, the embedding depth DL (see FIG. 2) from the surface of the soil D was about 100 cm. The heat exchange pipe 300 buried in the soil D thus air-conditions the outside air supplied in the pipe by performing heat exchange with the soil D in the heat storage state over the buried path length PL. The outside air suction in the heat exchange pipe 300, the derivation of the conditioned outside air, and the state of the path gradient of the heat exchange pipe 300 will be described later. Note that a residential area corresponding to an underfloor area other than the third underfloor area R3 may also be a derivation target of conditioned air using the heat exchange pipe 300.

  FIG. 6 is an explanatory diagram schematically showing a state in which the heat exchange pipe 300 is embedded in the floor heating / air conditioning system 100 of the present embodiment, as viewed in a longitudinal section. As shown in the figure, the floor heating / air conditioning system 100 includes a heat exchange pipe 300 embedded in soil D which is stored in a heat storage state by an electric resistance heating panel 102. The heat exchanging pipe 300 takes a pipe path that penetrates the base convex portion KT that surrounds the third underfloor region R3 (see FIG. 5), extends into the soil D, and is bent in a U-shape. The heat exchanging pipe 300 penetrating the basic convex part KT is provided with an outside air suction pipe part 310 raised from a pipe end 302 located outside the building K. The outside air suction pipe section 310 is a pipe made of vinyl chloride having the same diameter as the heat exchange pipe 300, extends upward along the outer wall of the building K, and has a suction fan mechanism 314 and an open / close damper at the pipe end 312. 316. The suction fan mechanism 314 is used when the air-conditioned outside air is required to be derived or heated, for example, from late autumn to early spring, or when the detection temperature of the floor temperature sensor 210 described later is in a predetermined low temperature range. Then, it is driven under the control of the control device 200 to be described later, the outside air is sucked from the outside of the building K, and the outside air is supplied to the heat exchange pipe 300. Since an insect repellent net (not shown) is disposed on the upstream side of the suction fan mechanism 314, outside air from which insects or insect-like dust is removed is supplied to the heat exchange pipe 300. The opening / closing damper 316 is used when the derivation and heating of air-conditioned outside air are not required, for example, the period from late spring to early autumn, or when the detection temperature of the floor temperature sensor 210 described later is in a predetermined high temperature range. It is driven under the control of the control device 200 to be described later, and the conduit of the outside air suction pipe section 310 is closed. In this case, the open / close damper 316 may be a thermostat built-in type that reacts to the outside air temperature, and the pipe line may be closed at a low outside air temperature.

  When the heat exchange pipe 300 extends from the pipe end 302 penetrating the base convex part KT to the inside of the soil D by a pipe path bent in a U-shape, each bent path part is indicated by an inclination symbol and a diagram in FIG. As shown by the pipe path 6, the pipe is buried in the soil D with a downward slope toward the pipe end 302, which is a connection point with the outside air suction pipe section 310. The heat exchange pipe 300 has a branching unit 330 at the pipe end 302. This branching branch 330 branches from the heat exchange pipe 300 at the pipe end 302 and extends to the drainage basin HD outside the building K, and the water inside the heat exchange pipe 300 is supplied to the outside of the building K. Discharge into drainage basin HD.

  In addition, the heat exchange pipe 300 has an air supply pipe section 320 at the pipe end on the uppermost side of the downward gradient path. The air supply pipe section 320 is a pipe made of vinyl chloride having the same diameter as the heat exchange pipe 300, extends upward to the vicinity of the building floor 150, and includes an air supply fan mechanism 322 at the end of the pipe line. An open / close damper 326 is provided on the way. The air supply fan mechanism 322 performs first type mechanical ventilation in cooperation with the suction fan mechanism 314 of the outside air suction pipe section 310, and the above-described period or period when the derivation and heating of the conditioned outside air are required or low. In the case of the temperature range, it is driven under the control of the control device 200 to be described later, and the air inside the heat exchange pipe 300 is sent to the underfloor space of the building floor 150. In the building K, a front area of the air supply fan mechanism 322 is defined as a divided air supply area 327. In the air supply area 327, the building floor 150 is provided with a gallery 160, and the building is located above the air supply fan mechanism 322. A heat insulating panel 162 is provided on the lower surface of the floor 150. Therefore, the heat exchange pipe 300 uses the air supplied by the air supply fan mechanism 322 of the air supply pipe section 320 and the air-conditioned air that has undergone heat exchange with the soil D over the buried path length PL as the air supply area 327 and the gallery. After 160, air is sent to the inside of the residential area J3. The open / close damper 326 is driven in the same manner as the open / close damper 316 of the outside air suction pipe section 310 to close the pipe line of the air supply pipe section 320.

  The above-described heat exchange pipe 300, the outside air suction pipe section 310, and the air supply pipe section 320 have the anti-mold coating 308 on the pipe inner wall. The antifungal coating 308 is formed by applying an antifungal agent, for example, an imidazole or pyridine antifungal agent to the inner wall of the pipe.

  As shown in FIG. 1, the control device 200 is capable of supplying power from the rated transmission line LA and from an emergency transmission line (not shown), and energizes the electric resistance heating panel 102 of the floor heating / air conditioning system 100. . The emergency power transmission line is installed from the wind power generator (not shown) installed along with the building K or installed in the municipality to which the building K belongs to the control device 200. In addition, as an emergency power transmission line, the power transmission line of the generator (not shown) that extends from the control device 200 along with the building K and extends from the control device 200 and generates power using the internal combustion engine is transmitted to the control device 200. May be prepared. Since the generator is portable and portable, it is not usually necessary to attach it to the building K. When a power loss from the rated transmission line LA occurs due to a natural disaster such as an earthquake or tsunami Just prepare.

  In order to control heating of each electrical resistance heating panel 102 arranged as described above using midnight power in a power contract time zone based on a contract for receiving energization of midnight power, a CPU, ROM, RAM And a control unit 202, a memory unit 204, an I / O unit 206, an input unit 208, a notification unit 209, and the like. The memory unit 204 stores an energization program for the electrical resistance heating panel 102 and the like. The I / O unit 206 is connected to the floor temperature sensor 210 that detects the temperature (floor temperature) of the building floor 150, the outside air temperature sensor 212 that detects the outside air temperature, and the like. The input unit 208 is connected to each of the power transmission lines described above, and selects a power transmission line that receives power supply under the control of the control unit 202. The control device 200 is responsible for overall control of the air conditioning system 100 for both floor heating and the like, such as energization control to the electric resistance heating panel 102 according to the sensor input. In this case, the input unit 208 is configured to perform manual transmission line selection, or configured to automatically switch to the power supply from the emergency power transmission line when power supply from the rated power transmission line LA is stopped due to a natural disaster or the like. it can. When the electrical resistance heating panel 102 is controlled to be heated at midnight power, the notification unit 209 notifies the fact that the control is being performed by turning on a lamp or the like.

  In this embodiment, in preparation for loss of power supply due to natural disasters such as earthquakes and tsunamis, the control device 200 is embedded in the foundation concrete as described above, but the control of the floor heating combined air conditioning system 100 can also be divided into two systems. . More specifically, the control system is divided into a control system for the electric resistance heating panel 102 using midnight power supply from the rated transmission line LA and a control system using emergency power supply from the emergency transmission line. In the control device 200 for the former control system, the control device 200 for the latter control system may be embedded in the foundation concrete as described above. If it carries out like this, the normal maintenance with the electric power feeding from rated power transmission line LA will become easy. In addition, when power is lost due to a natural disaster, floor heating by power feeding from the emergency power transmission line can be continued or started using the control device 200 already embedded in the foundation concrete.

  Here, the construction procedure of the building K having the above-described floor heating / air conditioning system 100 will be briefly described. First, with respect to the heat exchange pipe 300, the outside air suction pipe section 310, and the air supply pipe section 320, the anti-mold coating 308 is formed on the pipe inner wall in advance. Then, while forming the wooden framework of the basic convex portion KT, the heat exchange pipe 300 is assembled to the wooden frame of the basic convex portion KT on the pipe end 302 side, and then the pipe within the buried path length PL. The straight path portion pipe including the road end 302 is temporarily held in the soil D while securing the above-described downward slope and the embedment depth DL. Next, concrete is poured into the wooden frame of the base convex part KT and cured and hardened to form the base convex part KT, and a panel-shaped commercial product such as extruded polystyrene foam is formed on the inner peripheral wall of the base convex part KT (see FIG. 2). A heat insulator 107 is attached. When the heat insulating body 107 is mounted, the inner peripheral wall of the base convex portion KT is smoothed with an appropriate tool, an adhesive is applied, and the heat insulating body 107 is bonded and fixed with the adhesive. And the 1st underfloor area | region surrounded by the base convex part KT by performing mounting | wearing of the heat insulating body 107 for every underfloor area | region of 1st underfloor area | region R1-5th underfloor area | region R5 shown in FIGS. R1 to 5th underfloor region R5 Insulate each underfloor region. In this case, if the construction target is the building K with the roof lost, the heat insulator 107 can be mounted in parallel with the fixing of the base 150D to the foundation convex portion KT. In addition, it is possible to dispose an airtight sheet or the like between the top of the base convex portion KT and the base 150D, or to extend the heat insulating body 107 to the top surface of the base 150D and attach the base convex portion KT to the base convex portion KT. It is desirable from the viewpoint of ensuring heat insulation.

  Subsequently, the remaining path portion pipe of the burial path length PL of the heat exchange pipe 300 is buried in the soil D in consideration of the above-described downward gradient and the embedment depth DL, and the soil D in which the heat exchange pipe 300 has been buried. A plurality of electrical resistance heating panels 102 are installed on the soil surface so as to cover the soil. This panel installation is performed for each underfloor area of the first underfloor area R1 to the fifth underfloor area R5 surrounded by the base convex portion KT (see FIG. 4), and the number of panel installations in each area is described above. Thus, it is set according to the area occupied by the area under the floor and the building K, or according to the building shape and application. In addition, each electrical resistance heating panel 102 is waterproofed at the connection location.

  After the panel is installed, the concrete is poured to cover the plurality of electrical resistance heating panels 102 in each of the underfloor regions (see FIGS. 3 to 4) of the first underfloor region R1 to the fifth underfloor region R5, and the surface is smoothed. Since the poured concrete becomes a concrete layer 105 shown in FIG. 2 after curing, the concrete is poured between the surface of the concrete layer 105 after curing and the lower surface of the building floor 150 of the building K. After securing T, the thickness is 100 to 300 mm. In addition, when installing the sensor for grasping | ascertaining the heat storage state of the soil D, it embeds in the concrete into which the said sensor was poured.

  Following or after the concrete pouring, the control device 200 is embedded in the foundation convex portion KT to cure the concrete. After the concrete curing, the building K is completed by assembling the building K roof, such as the installation of the base 150D.

  The power supply control of the electric resistance heating panel 102 in the completed building K is executed by the control device 200. In other words, the control device 200 determines the outside air temperature based on the built-in timer, the detected temperature from the floor temperature sensor 210, etc., for a period during which heating is required, for example, from winter to early spring as determined by the calendar, or as determined by the date. The power supply control of the electrical resistance heating panel 102 is repeatedly executed in a period of time when the temperature of the electric resistance heating panel 102 exceeds the predetermined temperature. This power supply control is executed on the assumption that midnight power is being supplied, and the control device 200 supplies power based on a contract for receiving energization of midnight power (contract prescribed power) to a plurality of floor heating / air conditioning systems 100. It gives to the electrical resistance heating panel 102 and heat storage of the soil D is aimed at. At this time, the control device 200 notifies the notification unit 209 that the electric resistance heating panel 102 is controlled to be heated by midnight power with a lamp or the like. By doing so, it can be recognized that floor heating is performed through the heating control of the electric resistance heating panel 102 by midnight power. The heat exchange state between the soil D, which is in a heat storage state by the power supply control of the electric resistance heating panel 102, and the outside air passing through the heat exchange pipe 300, that is, the residential area from the air supply pipe section 320 through the air supply area 327 and the gallery 160 The air temperature derived to J3 can be detected based on the cumulative heating period of the electrical resistance heating panel 102, the ventilation rate in the first type mechanical ventilation configured by the suction fan mechanism 314 and the air supply fan mechanism 322, or the like. Therefore, the control device 200 controls the electric resistance heating panel 102 so that air having a temperature set by a temperature setting device (not shown) is sent to the residential area J3. Note that, in a situation where midnight power cannot be supplied due to natural disasters or man-made disasters, the control device 200 converts the generated power of, for example, a wind power generator or a generator to a plurality of floor heating / air conditioning systems 100. The electric power flow is switched to be applied to the electric resistance heating panel 102.

  As explained above, in the floor heating combined use air conditioning system 100 of this embodiment with which the building K is equipped, the soil D can be made into a heat storage state by the heat of the plurality of electrical resistance heating panels 102 using midnight power, and this heat storage state The heat exchange pipe 300 embedded in the soil D air-conditions the outside air already supplied in the pipe through heat exchange with the heat storage state soil D in the embedded path length PL. Since the heat storage state of the soil by the plurality of electric resistance heating panels 102 can be variously changed by the power supply / heating control of the electric resistance heating panel 102 by the control device 200, according to the floor heating combined use air conditioning system 100 of this embodiment, the severe winter season Even so, the sufficiently warm outside air can be guided to the inside of the building, specifically, to the inside of the residential area J3 corresponding to the third underfloor region R3. Moreover, in the floor heating / air conditioning system 100 of the present embodiment, the diameter of the heat exchange pipe 300 is set to 120 mm and the buried path length PL is set to 15 m in accordance with the internal volume of the residential area J3 from which air-conditioned outside air is derived. Therefore, insufficient heat exchange between the outside air supplied into the pipe and the heat-stored soil D can be suppressed, and the sufficiently warmed outside air can be derived into the interior of the residential area J3 corresponding to the third underfloor area R3. .

  In the floor heating combined air-conditioning system 100 of this embodiment, the heat of the electrical resistance heating panel 102 is heated to the concrete layer 105 covering the electrical resistance heating panel 102 and also transmitted to the soil D below the concrete layer. The building floor 150 is warmed by radiating the heat stored in the soil D and the heat that warms the concrete layer 105 to the gap between the lower surface of the building floor 150 and the building K 150. Heating can be achieved. As a result, according to the floor heating / air conditioning system 100 of the present embodiment, after the floor heating for the building K is attempted, the sufficiently warmed outside air is guided to the interior of the residential area J3. Can heat the inside of the building.

  In the floor heating combined air-conditioning system 100 of this embodiment, heating is not required, for example, in summer, the power supply to the electric resistance heating panel 102 is stopped so that the soil D is not in a heat storage state. Therefore, according to the floor heating combined air-conditioning system 100 of the present embodiment, since the supplied outdoor air can be cooled by heat exchange between the outdoor air supplied to the pipe and the soil D in the summer, etc., the summer in which heating is not required In such a case, the cooled air can be led out to the interior of the residential area J3 to assist the cooling inside the residential area J3 or other cooling devices.

  In the floor heating / air-conditioning system 100 of the present embodiment, when the heat exchange pipe 300 is embedded in the soil D, a part of the heat exchange pipe 300 is penetrated through the base convex portion KT. Therefore, according to the floor heating combined use air conditioning system 100 of this embodiment, the embedding locus | trajectory of the heat exchange pipe 300 is securable by embed | buried in the soil D in the state hold | maintained with the basic convex part KT. Therefore, even if an external force reaches the heat exchanging pipe 300 due to an earthquake or the like, the displacement of the pipe trajectory can be suppressed.

  In the floor heating / air-conditioning system 100 of the present embodiment, the heat exchange pipe 300 embedded in the soil D is provided with the anti-mold coating 308 of the anti-mold agent on the inner wall surface of the pipe. Therefore, according to the floor heating combined use air conditioning system 100 of the present embodiment, even if the warmed outside air is cooled through the heat exchange with the soil D in the heat storage state and dew condensation occurs on the pipe inner wall, Generation | occurrence | production of mold | fungi can be suppressed and this can also be suppressed about the nasty smell by mold.

  In the floor heating / air conditioning system 100 of the present embodiment, the heat exchange pipe 300 is embedded in the soil D through a pipe path having a downward slope toward the pipe end 302 on the outside air suction pipe section 310 side. In addition, the floor heating / air conditioning system 100 of the present embodiment discharges moisture in the pipe from the branching branch 330 branched from the pipe end 302 to the drainage pipe HD outside the pipe of the heat exchange pipe 300. Therefore, according to the floor heating combined use air conditioning system 100 of this embodiment, since the water | moisture residue in a pipe can be suppressed, it becomes useful from the suppression of mold | generation of mold | fungi and a strange odor. Further, the moisture in the pipe discharged from the branching officer 330 flows outside the range of the building K through the drainage basin HD, and it is difficult to stay in the drainage basin HD. Therefore, according to the floor heating / air conditioning system 100 of the present embodiment, the moisture once discharged from the heat exchange pipe 300 to the outside can hardly be returned to the heat exchange pipe 300 even in the state of water vapor. Will be more useful.

  Next, another embodiment will be described. FIG. 7 is an explanatory diagram schematically showing a state in which the heat exchange pipe 300 is embedded in the floor heating / air conditioning system 100A according to the embodiment in which the outside air suction pipe portion 310 is provided inside the building K. . As shown in the figure, the floor heating / air conditioning system 100A of this embodiment includes all the heat exchange pipes 300 embedded in the soil D inside the foundation convex part KT, and the outside air suction pipe part 310 is a heat exchange pipe. From the 300 pipe end 302, it rises between the inner wall 158 and the outer wall 159 of the building K. And the air supply pipe part 320 penetrates the basic | foundation convex part KT, and reaches the drainage basin HD. The above-described effects can also be achieved by the floor heating / air conditioning system 100A of this embodiment. And according to the floor heating combined use air-conditioning system 100A of this embodiment, since the branching unit 330 should just be penetrated with respect to the base convex part KT, the floor heating combined use at the time of rebuilding the building K which lost a roof is also carried out. The built-in application of the air conditioning system 100A becomes easy.

  FIG. 8 is an explanatory diagram schematically showing a state in which the heat exchange pipe 300 is buried in the floor heating / air conditioning system 100B of another embodiment. The floor heating / air conditioning system 100B of this embodiment temporarily supplies outside air to the outside air pit AP provided under the floor of the building floor 150, and sends the inside and outside air of the pit to the heat exchange pipe 300 to enter the residential area J3. It is characterized in that it is derived directly. As shown in the figure, this floor heating combined air-conditioning system 100B includes an outside air pit AP between the foundation convex part KT and the foundation convex part KT that hit the outside of the building K, and the outside air suction pipe part 310 is connected to the outside air pit AP. Extend outside building K. About the outside air suction pipe part 310, you may make it keep this with heat insulating materials, such as glass wool, over the path | route. The outside air pit AP is partitioned on the back side and the near side in the drawing, and the outside air suction pipe section 310 stores outside air supplied from the suction fan mechanism 314. A dehumidifier 350 is attached to the outside air pit AP, and the dehumidifier 350 is driven under the control of the control device 200 to dehumidify the air inside the outside air pit AP. The moisture after dehumidification is discharged to the outside of the building K.

  The heat exchanging pipe 300 is embedded in the soil D by a linear embedded path with the pipe end 302 side as a downward slope, and the embedded path length PL is determined according to the internal volume of the residential area J3. Yes. The heat exchanging pipe 300 includes an in-pit suction fan mechanism 340 at the pipe end 302. The in-pit suction fan mechanism 340 sucks the air in the pit that has been dehumidified by the dehumidifier 350 to perform heat exchange. Into the pipe 300. The air supply pipe section 320 rises from the uppermost end of the heat exchange pipe 300 through the building floor 150 to the inside of the residential area J3, and heat-stored soil D and heat-exchanged air in the pipe are transferred to the residential area J3. Derived directly. In this case, the air pipe 320 may be extended to the second floor residential area of the building K within the building wall, and the air in the pipe (air conditioned air) may be led to the second floor residential area.

  In addition, the floor heating / air conditioning system 100 </ b> B includes a louver 402, an inspection port 404, a dehumidifier 350, and a humidity control part 500 in the outside air pit AP. The gallery 402 is driven to open and close under the control of the control device 200. The gallery 402 is closed during the winter season when heating is required, and is opened during the summer season when indoor air circulation is required. The inspection port 404 is opened or closed periodically or irregularly for removing insects or dust accumulated in the outside air pit AP or for exchanging the humidity control part 500. The humidity control portion 500 is disposed at the bottom of the outside air pit AP and on the end side of the branching officer 330, and is a porous base material such as charcoal or bamboo charcoal and has humidity control properties. It is considered to be diatomaceous earth.

  The floor heating combined use air conditioning system 100B of this embodiment can achieve the effects described above, such as derivation of sufficiently warmed air to the residential area J3, and heat exchange of the dehumidified air with the soil D. After warming up and deriving to the residential area J3, comfort can be enhanced by deriving the warm air while suppressing moisture.

  The present invention is not limited to the above-described embodiment, and can be realized with various configurations without departing from the spirit of the invention. For example, the technical feature of the embodiment corresponding to the technical feature in each form described in the column of the summary of the invention is to solve part or all of the above-described problems or part of the above-described effect. Or, in order to achieve the whole, it is possible to replace or combine as appropriate. Further, if the technical feature is not described as essential in the present specification, it can be deleted as appropriate.

  In the above-described embodiment, the floor heating / air conditioning system 100 to 100B is applied to a building K such as a house or office having a plurality of residential areas of residents, but has a residential area such as a gymnasium or a public hall such as a nursery school or a school. It may be applied to non-residential buildings. When applied to such a non-residential building, in addition to prescribing the diameter of the heat exchange pipe 300 and the buried path length PL according to the internal volume of the building, the degree of ventilation required for the non-residential building You may prescribe according to. For example, if the ventilation level is such that it is required to ventilate half of the air inside the house once an hour, the diameter of the heat exchanging pipe 300 and the length of the buried path are also taken into consideration. What is necessary is just to prescribe | regulate PL.

  In the above-described embodiment, the electrical resistance heating panel 102 is heated and controlled using the late-night power in the power contract time period based on the contract for receiving midnight power. However, the electrical resistance heating panel 102 is controlled to be heated by another power contract. May be. For example, heating control may be performed using electric power based on an electric power contract that defines a time frame in which power can be energized within a day as 19 hours or 22 hours.

DESCRIPTION OF SYMBOLS 100, 100A, 100B ... Floor heating combined air-conditioning system 102 ... Electrical resistance heating panel 105 ... Concrete layer 107 ... Thermal insulation 150 ... Building floor 150D ... Base 151 ... Large drawing 152 ... joist 153 ... Floor base material 154 ... Flooring material 158 ... Inner wall 159 ... Outer wall 160 ... Gully 162 ... Heat insulation panel 200 ... Control device 202 ... Control unit 204 ... Memory unit 206 ... I / O unit 208 ... Input unit 209 ... Notification unit 210 ... Floor temperature sensor 212 ... Outside air temperature sensor 300 ... Heat exchange pipe 302 ... Pipe end 308 ... Antifungal coating 310 ... Outside air suction pipe part 312 ... Pipe end part 314 ... Suction fan mechanism 316 ... Opening and closing damper 320 ... Air supply pipe part 322 ... Air supply fan mechanism 326 ... Opening and closing damper 327 ... Air supply area 330 ... Divider 340 ... Suction fan mechanism in the pit 50 ... Dehumidifier 402 ... Garari 404 ... Inspection port 500 ... Humidity control part K ... Building D ... Soil T ... Gap R1-R5 ... First to fifth floor area J3 ... Residential area LA ... Rated transmission line HD ... Drainage basin DK ... Soil foundation DL ... Embedment depth PL ... Embedding path length AP ... Outside air pit KT ... Base convexity Dh ... Heat storage layer

Claims (6)

An air conditioning system that air-conditions outside air sucked from outside the building and guides it into the building,
A plurality of heat generations that are installed on the surface of the soil surrounded by the foundation protrusions that receive the foundation of the building or the surface of the foundation concrete that covers the surface of the soil, and generate heat when energized to bring the soil into a heat storage state. Body,
A pipe for heat exchange embedded in the soil, the diameter determined according to the internal volume of the building from which the outside air is derived or the degree of ventilation required inside the building, and the internal volume or the A heat exchange pipe having a buried length determined according to the degree of ventilation;
An air supply means for supplying the outside air to the heat exchange pipe from outside the building;
An air-conditioning system comprising air-supplying means for supplying air-conditioned outdoor air that has been air-conditioned through heat exchange with the soil while passing through the heat-exchange pipe to the inside of the building to be derived.   2. The heat exchange pipe according to claim 1, wherein the heat exchange pipe has a diameter of 100 to 150 mm and an embedded length of 10 to 15 m determined according to the internal volume, when the building is a residential building having a residential area. Air conditioning system.   The air conditioning system according to claim 1 or 2, wherein the heat exchanging pipe is held by the base convex portion by being embedded in the soil through the base convex portion.   The air conditioning system according to any one of claims 1 to 3, wherein the heat exchange pipe has a pipe inner wall coated with a mold-proofing agent.   The heat exchange pipe is embedded in the soil in a downwardly inclined pipe path toward the pipe end on the side of the air supply means, and from a branching branch branched from the pipe end at the end of the pipe path The air conditioning system according to any one of claims 1 to 4, wherein moisture in the pipe is discharged out of a pipe line of the heat exchange pipe.   The air conditioning system according to claim 5, wherein the heat exchange pipe discharges the moisture in the pipe from the branch officer to a drainage basin outside the building.

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