JP2983437B2 - Indoor heating and cooling method and indoor heating and cooling device used for the method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for heating and cooling the interior of a building and a heating and cooling device used in the method, and relates to a reinforced concrete structure (RC), a steel frame structure (SRC), a wooden frame method,
Among buildings such as a wooden framed wall construction method (two-by-four) and a steel frame structure, the interior of a multi-family house with a fire-resistant structure such as a reinforced concrete structure (RC) or a steel frame structure (SRC) can be heated or cooled both indoors and under the floor. The present invention relates to an indoor heating / cooling method and a heating / cooling device used in the method.

[0002]

2. Description of the Related Art Conventionally, when heating or cooling a room (room) such as an RC or SRC condominium, warm air or cold air from a heating / cooling device is generally sent into the room. . In this case, if heating / cooling devices are installed in each room to heat or cool many rooms, the number of heating / cooling devices increases and equipment costs increase. In addition, since each heating and cooling device requires an outdoor unit, an increase in the number of heating and cooling devices inevitably increases the number of outdoor units. In the case of a condominium, the installation location of the outdoor unit is absolutely limited to the veranda. Therefore, when the number of heating and cooling devices increases, many outdoor units are installed on the veranda, which is not preferable in terms of aesthetics. In addition, in the case of condominiums, the rooms facing the veranda are limited, so if a heating / cooling device is installed in a room that does not face the veranda, the piping from the heating / cooling device to the outdoor unit on the veranda will be longer, and piping work However, there was a problem that the equipment cost was high. These problems are not as great as in apartments, but also in single-family homes with many rooms.

Therefore, the present applicant has previously developed a heating / cooling system capable of heating or cooling many rooms with one heating / cooling device. As shown in Fig. 7, one heat pump type air conditioner (heating / cooling equipment) A is installed behind the ceiling of a house or apartment, then a supply duct (supply duct) B is piped to each room, The hot air or the cold air is sent to the duct B and discharged to each room. In this case, a return duct (return duct) C is piped into each room, air in each room is introduced into the room, sent to the heat exchanger unit D, and discharged from the outlet (EA) of the heat exchanger unit D to the outside of the room. And the outdoor air is transferred to the heat exchanger unit D.
And is sent to the heating / cooling equipment A to be heated or cooled and sent to the supply duct B. FIG. 7A shows the piping state of the second floor of a single-family house, and FIG. 7B shows the piping state of the first floor.

[0004] In recent years, floor heating or floor cooling devices for heating and cooling the floor have been developed separately from sending out hot air or cold air into each room as described above. As an example, pipe a pipe under the floor panel and send hot water for heating or cold water for cooling to the pipe,
Some heat or cool the floor itself. In another example, a heater is wired under the floor panel, and the heater is energized to heat or cool the floor itself.

Further, recently, a space is provided under the floor or inside the wall, and warm or cool air is directly sent from the heating / cooling device into the space to heat or cool the floor or the wall to indirectly connect the room. There is also a heating / cooling device for heating or cooling.

[0006]

However, among the various heating and cooling devices described above, one heating and cooling device A is installed at the back of the ceiling of a house or an apartment as shown in FIG.
A device that sends warm air or cool air to the supply duct B to heat or cool each room has the advantage that a single heating and cooling device can efficiently heat and cool a plurality of rooms. Since the return duct (return duct) C must be piped to the room, the number of return ducts is increased, and the piping is troublesome and the cost is increased.

Among the above-mentioned heating and cooling devices, a floor heating device uses a boiler or a heater as a heating source, and a floor cooling device uses cooling water or cool air as a cooling source.
Heating and cooling sources cannot be shared. For this reason,
Since it is not possible to share the conventional devices for heating and cooling, there is a problem that those devices cannot be fully utilized. In addition, in a floor heating device or a floor cooling device, if a person sits directly on the floor, he or she feels sufficient warmth or cold, but it is difficult to sufficiently heat or cool the air in the indoor space. There is a drawback that when you stand on the floor, you do not feel much warmth or coldness. In addition, there is also a problem that floor construction costs are high because piping and wiring work are required.

[0008] Among the above-mentioned heating devices, those which form a space under the floor or inside a wall and feed warm air or cool air into the space to heat or cool the room, use a floor or a wall to heat the room. Since heating is performed indirectly, there is a problem that the heating efficiency is low and the room alone cannot be sufficiently heated.

An object of the present invention is to provide a reinforced concrete structure (R
C), steel structure (SRC), wooden frame method, wooden frame wall method (two-by-four), steel-framed buildings, especially RC,
It is an object of the present invention to provide a method of efficiently and inexpensively heating and cooling a room of an apartment house such as an SRC-structure apartment without damaging the appearance of the apartment, and to provide a heating and cooling device used for the method.

[0010]

According to a first aspect of the present invention, there is provided a method for heating and cooling a room, comprising: a heating and cooling device provided at the back of a ceiling and capable of sending out hot and cold air, as shown in FIGS. feeding the hot air or cool air to the air duct 2, which is plumbed to the ceiling from the feed the warm or cool air from the air outlet 6 provided in the ceiling of the chamber two or more in a room, the side walls of the indoor air indoor From the air inlet 3 formed in the lower part or floor 8 , the building
Between the floor 7 and the floor 8 spaced above it
Introduced into the underfloor space 4 formed as one space for each house
And, directly or indirectly through the other end part of air in the underfloor space 4 communicates to the underfloor space 4 is the heating and cooling device 1 directly or indirectly as leading to provided a return duct within 5 to the heating and cooling equipment 1 The air is heated and cooled
From chamber device 1 to air duct 2
It is circulated indoors, the outdoor air is taken in by the heat exchanger 9 and sent directly or indirectly to the heating and cooling equipment 1, and the underfloor returned by the return duct 5 by the heat exchanger 9.
This is a method in which part of the air in the space 4 is taken in and discharged outside the room.

According to a second aspect of the present invention, an indoor heating / cooling apparatus provided in the back of a ceiling and capable of sending out hot air and cold air, and hot air or cold air from the heating / cooling equipment 1 are sent.
Since the the air duct 2, which is plumbed to the ceiling, from the air duct 2 hot air or cold air to delivery can become as in two or more
The outlet 6 provided on the ceiling of the room and the structural floor 7 of the building
For each house between the floor 8 and the floor 8 placed on it
An underfloor space 4 formed as one space and a lower part of a side wall of the room so that air in the room can be introduced into the underfloor space 4.
Or, the air inlet 3 formed in the floor 8 and one end of the space under the floor.
The other end opens into 4 circulates into the room by the heating and cooling device 1 directly or indirectly through directly or indirectly back to the heating and cooling device 1 air underfloor space 4 to the heating and cooling equipment 1 <br/> A return duct 5 and the outside air are taken in and sent directly or indirectly to the heating / cooling equipment 1 to the return duct 5.
Heaven that takes in the returned indoor air and discharges it outside
This is a device provided with a heat exchanger 9 provided on the back of the well.

According to a third aspect of the present invention, there is provided the indoor heating and cooling apparatus according to the second aspect, wherein the underfloor space is provided.
The apparatus is provided with a guide 10 near the air inlet 3 in the room 4 for diffusing room air introduced into the underfloor space 4 from the air inlet 3 into the underfloor space 4 .

According to a fourth aspect of the present invention, there is provided the indoor heating / cooling apparatus according to the second or third aspect, wherein the small room is formed in the back of the ceiling, and one end of the return duct is provided in the small room. And one end of the heat exchanger 9 is piped, and the air in the underfloor space 4 is returned to the small chamber 22 by the return duct 5.
And indirectly returns to the heating and cooling equipment 1 through the small room (22).
This is a device that is returned to the heat exchanger 9 and discharged outside the room .

[0014]

According to the first aspect of the present invention, there is provided a method for heating / cooling a room, and the second aspect.
The operation when the room is heated by the heating / cooling device will be described. The warm air sent from the heating / cooling device 1 in FIG. 1 flows through the air supply duct 2 and is blown into the room through the outlet 6, and the warm air heats the room air to heat the room. The indoor air is introduced into the indoor air inlet 3 and flows into the underfloor space 4 to warm the floor. The air in the underfloor space 4 flows into the return duct 5, and is returned directly or indirectly to the heating / cooling device 1 and circulates. Furthermore, since the outdoor air is taken into the heating and cooling equipment 1 through the heat exchanger 9 and the indoor air is discharged outside through the heat exchanger 9, clean warm air is sent out from the heating and cooling equipment 1. In order to cool the room, it is only necessary to change the warm air to cool air, and all other functions are the same as in the case of warm air.

Since the guide 10 is provided in the underfloor space 4 according to the third aspect of the present invention, the warm air introduced into the underfloor space 4 from the air inlet 3 flows along the guide 10 and flows under the underfloor space 4. The entire underfloor space 4 is heated by being diffused throughout.

In the heating / cooling apparatus according to the fourth aspect of the present invention, the small room 22 is formed in the back of the ceiling, one end of the return duct 5 is piped to the small room 22, and the air inlet side of the heat exchanger 9 is piped. The air in the space 4 can be indirectly returned to the heating / cooling device 1.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a cooling and heating apparatus according to the present invention will be described in detail with reference to FIGS. FIG. 1 shows RC or SR
It is an example of the interior of the apartment of C structure.

In FIG. 1, reference numeral 20 denotes a concrete structural ceiling of an RC or SRC-structured apartment. A space is provided below the ceiling and a ceiling plate is attached to form a ceiling 21. A small room 22 large enough to install the heating and cooling equipment 1 is provided above (behind the ceiling), and the heating and cooling equipment 1 such as a heat pump is installed in the small room 22.

Reference numeral 2 in FIG. 1 denotes an air supply duct for sending out hot air or cold air from the heating / cooling equipment 1, which has a base end connected to the heating / cooling equipment 1, and a part beyond the base end in the apartment. Hot air or cold air sent from the heating / cooling equipment 1 into the air duct 2 with the front end being connected to the outlet 6 attached to the ceiling of each room. Is blown out from the outlet 6 into each room. The outlet 6 is provided with a grill so that the direction and amount of air can be adjusted.

It is desirable that the air supply duct 2 is lightweight and easy to handle. For example, it is suitable to assemble and use the duct members shown in FIGS. This duct member is a paper outer cylinder 2 that has been subjected to antiseptic, anti-mold, and anti-moisture treatment.
3, a small-diameter inner cylinder 24 having been subjected to the same treatment.
Is disposed, and a styrofoam ring-shaped holder 25 is disposed between the axial ends of the cylinders 23 and 24 to form an air layer 26 between the holders 25 and the cylinders 23 and 24. I have.

The duct member may be a straight type as shown in FIG. 5, a T-shaped type as shown in FIG.
If necessary, a desired shape, for example, an L-shape is prepared. Of the various duct members, a straight type is used for a straight portion of the air duct 2, a T-shaped one is used for a branch portion of the air duct 2, and an L-shaped one is used for a corner of the duct. These duct members are lightweight, have a small load on the ceiling, are easy to construct, and are convenient because there is no risk of dew condensation on the outer peripheral surface of the outer cylinder during cooling.

2 is a heat exchanger provided at the back of the ceiling, which is similar to the heat exchanger shown in FIG.
, And the indoor air is taken in from the indoor air intake 27 and discharged outside from the exhaust port EA.

In FIG. 1, reference numeral 3 denotes an air inlet provided at a lower portion of the wall 31 of the room, which is for introducing the air in the room into the underfloor space 4. The air inlet 3 communicates with the underfloor space 4 as shown in FIG.
As shown in FIG. It is desirable that the air inlet 3 is formed at a position where air in the room can be easily taken in as much as possible. In some cases, the air inlet 3 is formed on the floor.

In FIG. 1, reference numeral 7 denotes a concrete structural floor of an RC or SRC-structured apartment, and reference numeral 8 denotes a floor, which is installed on the structural floor 7 with a space therebetween. The space between the structural floor 7 and the floor 7 is referred to as an underfloor space 4. The underfloor space 4 is a single space that communicates with each apartment house without being partitioned for each apartment room.

As shown in FIG. 3, the floor 8 is composed of a base plate 36 on which a support leg 35 is mounted, a discard plate 37, and a finish plate 38 on the base plate 36. The support leg 35 has an adjustable length. If possible, the height of the floor 8 is adjustable.

Reference numeral 10 in FIG. 1 denotes a guide provided in the underfloor space 4, which diffuses warm air or cold air introduced into the underfloor space 4 from the room through the air introduction port 3 throughout the underfloor space 4.
The entire underfloor space 4 can be heated or cooled as uniformly as possible.

In FIG. 1, reference numeral 5 denotes a return duct for returning the air in the underfloor space 4 to the heating / cooling equipment 1 through the small chamber 22.
2 and the lower end (entrance) is connected to the underfloor space 4 so that the air in the underfloor space 4 is returned to the return duct 5.
Is transported to the small room 22 through the
It is taken in and circulated. One or more return ducts 5 can be piped in accordance with the area of the underfloor space 4.

1 and 2, a small chamber 22 is formed behind the ceiling, one end of a return duct 5 is piped into the small chamber 22, and the inlet side of the heat exchanger 9 is piped. Although the exchanger 9 is indirectly connected to the heating and cooling equipment 1, in the present invention, one end of the return duct 5 and the intake port side of the heat exchanger 9 can be directly connected to the heating and cooling equipment 1.

[0030]

[Description of operation of the indoor heating device of FIG. 1] Heating and cooling equipment 1 of FIG.
Is blown into the room from the outlet 6 provided on the ceiling (thick arrow in FIG. 4),
The room air is heated by the warm air to heat the room. The air in the room is introduced into the air inlet 3 formed in the wall of the room and flows into the underfloor space 4 (the middle arrow in FIG. 4),
Warm floor 8. In this case, the warm air flowing into the underfloor space 4 is dispersed by the guide 10 and diffused throughout the underfloor space 4 (dashed arrow in FIG. 4), and the entire floor 8 is heated. The air in the underfloor space 4 flows into the return duct 5 from the entrance of the return duct 5 opening into the underfloor space 4, and is discharged into the small chamber 22 from the outlet of the return duct 5 opening into the small chamber 22. The air discharged into the small room 22 is introduced into the heating and cooling equipment 1 in the small room 22 and circulates. At this time, the dirty air in the room is taken into the heat exchanger 9 and discharged outside the room, and the outside air is taken into the heat exchanger 9 and sent to the small room 22, and is introduced from the small room 22 into the heating / cooling equipment 1, and Is heated by the heating / cooling device 1 and sent out to the air supply duct 2 as hot air.

The above description is for the case of heating, but for cooling, it is sufficient to send out cool air from the heating / cooling device 1, and the flow of cool air in this case is the same as the flow of warm air. In both cases of heating and cooling, the operation time can be appropriately selected, and continuous operation can be performed for 24 hours.

In the present invention, an example of the temperature at each point of the hot air and the cool air sent from the heating / cooling device 1 will be described below.

[0033]

[At the time of heating]

 Temperature at the time of sending from heating and cooling equipment 50 ° C Temperature of indoor outlet 45-48 ° C Temperature of indoor air inlet 25-28 ° C Temperature of return duct inlet 20 ° C Temperature of small room 18 ° C

[0034]

[At the time of cooling]

 Temperature at the time of sending from heating and cooling equipment 10-15 ° C Temperature of indoor outlet 14-15 ° C Temperature of indoor air inlet 25-28 ° C Temperature of inlet of return duct 28-30 ° C Temperature of small room 28-30 ° C

[0035]

The indoor heating / cooling method according to the first aspect of the present invention and the indoor heating / cooling apparatus according to the second aspect of the present invention have the following effects. building,
In buildings of RC and SRC structures such as condominiums and estates, or in wooden frame construction, wooden frame wall construction (two-by-four), steel-framed buildings, etc. As in the case where warm air or cool air is sent from the heating / cooling device 1 to the room through the air supply duct 2, not only the room can be heated or cooled, but also the room can be heated or cooled. Since heating or cooling can be performed from under the floor using cold air, heating or cooling is efficient, and the energy used for heating or cooling can be effectively used without waste and economical. . Conventionally, as shown in FIG. 7, the return duct 5 had to be piped for each room. However, in the present invention, since the return duct 5 can be integrated into one, the piping is easy, and the return duct is easy. The structure becomes simple and inexpensive because of the small number of 5. . Since warm air or cool air can be sent from one heating / cooling device 1 to each room through the air duct 2, even if many rooms are heated or cooled, only one outdoor unit is required, and the condominium veranda can be used. There is no need to install many outdoor units. For this reason, without deteriorating the beauty of the apartment,
Suitable for building in RC, SRC structures such as buildings, condominiums and housing complexes.

According to the third aspect of the present invention, since the heat exchanger 9 is provided, dirty air in the room is discharged outside the room, and clean air outside the room is introduced into the room. Even if it heats and cools, the air in the room does not become dirty and the eyes do not hurt.

According to the fourth aspect of the present invention, the guide 1
Since 0 is provided, the air introduced into the underfloor space 4 is diffused in the underfloor space 4, so that the entire floor is uniformly heated and cooled, and uneven heating and cooling does not occur. Further, by changing the direction of the guide 10, the flow of the warm air or the cool air can be adjusted so that the central portion of the room can be mainly heated or cooled.

[Brief description of the drawings]

FIG. 1 is an explanatory side view showing one embodiment of a heating and cooling device of the present invention.

FIG. 2 is an explanatory plan view showing one embodiment of the heating and cooling device of the present invention.

FIG. 3 is an explanatory view of a partial cut of an underfloor space in the heating / cooling device of the present invention.

FIG. 4 is an explanatory diagram of a gas flow in the heating / cooling device of the present invention.

FIGS. 5A and 5B show a straight duct member constituting an air supply duct in the heating and cooling device of the present invention, wherein FIG. 5A is a front view and FIG.

6A and 6B show a T-shaped duct member constituting an air supply duct in the heating and cooling device of the present invention, wherein FIG. 6A is a front view, and FIG.

FIG. 7 shows an example of a conventional heating and cooling device, wherein (a)
Is an explanatory plan view of the second floor portion, and FIG. 2B is an explanatory plan view of the first floor portion.

[Explanation of symbols]

 1 is a heating / cooling device 2 is an air supply duct 3 is an air inlet 4 is an underfloor space 5 is a return duct 6 is an outlet 7 is a structural floor 8 is an installed floor 9 is a heat exchanger 10 is a guide

Claims (4)

(57) [Claims] 1. Hot air and cold air installed in the ceiling can be sent out
Capacity of the heating and cooling device (1) to the air duct is a pipe in the ceiling (2) feeding the hot air or cold air, the warm air or blowing port provided a cool air in the ceiling of the chamber (6) from two or more lower side wall or floor of the feed to the chamber, the indoor air indoor
From the air inlet (3) formed in (8) , the structural floor of the building
(7) and the floor (8) placed above it at a distance
An underfloor space formed as one space for each house in between
(4), a return duct provided so that one end of the air in the underfloor space (4) communicates with the underfloor space (4) and the other end directly or indirectly communicates with the heating / cooling device (1). 5)
The air is returned directly or indirectly to the heating and cooling equipment (1) through the inside, and this air is sent from the heating and cooling equipment (1) provided above the ceiling.
Into the air duct (2) and into the room from the outlet (6)
The air is circulated and the outdoor air is taken in by the heat exchanger (9) and sent directly or indirectly to the heating / cooling equipment (1), and returned by the return duct (5) by the heat exchanger (9).
A part of the air in the underfloor space (4) taken in and discharged outside the room. 2. It is possible to send out hot and cold air provided on the ceiling.
Noh a heating and cooling device (1), the same heating and cooling equipment (1) plumbed to ceiling for sending warm air or cool air from the air duct (2), the warm air from the air duct (2) Or send out cool air
Space on the ceiling of two or more rooms and the structural floor of the building (7) to allow for
One space for each house between the floor (8)
The underfloor and formed underfloor space (4), the room air Te
The lower part of the indoor side wall or floor so that it can be introduced into the space (4)
The air in the underfloor space (4), which has one end communicating with the underfloor space (4) and the other end directly or indirectly communicating with the heating / cooling device (1 ) , formed in the (8). the directly heating and cooling equipment (1) or indirectly back to the heating and cooling equipment (1)
A return duct (5) that circulates indoors, and takes in outdoor air and sends it directly or indirectly to the heating / cooling equipment (1), and takes in room air returned by the return duct (5) to outside. An indoor heating / cooling apparatus, comprising: a heat exchanger (9) provided above the ceiling for discharging air. 3. The indoor heating and cooling device according to claim 2,
A guide for diffusing room air introduced into the underfloor space (4) from the air inlet (3) into the underfloor space (4) near the air inlet (3) in the underfloor space (4). (10)
An indoor heating / cooling device characterized by the installation of: 4. The indoor heating / cooling apparatus according to claim 2, wherein a small room (22) is formed in the back of the ceiling, and one end of the return duct (5) and the heat exchanger (9) are formed in the small room (22). ) one end by piping, indirectly returned to the heating and cooling device (1) by a return duct air underfloor space (4) in (5) through chamber (22), heat exchange from the chamber (22)
An indoor heating / cooling device characterized by returning to the exchange (9) and discharging it outside the room.