JPH0828903A - Aid conditioning system in building - Google Patents

Abstract

PURPOSE:To provide an air conditioning system wherein necessary ventilation in a room can be performed and conditions in the room are prevented from being affected by conditions outside the room owing to the ventilation. CONSTITUTION:A building 6 entirely surrounded with heat insulators 10, 17, 21, 22, 24, 28 on the upper part of a heat storage layer 1 buried in the ground surrounded with a heat insulator 4, and the interior of the heat storage layer 1 and the inside 30 of a room in the building 6 communicate with each other. Supply air from the outside which is heat exchanged through a heat exchanger 40 evacuating air from the inside of the heat storage layer 1 is introduced into the room 30 of the building 6 by for example, adjusting humidity, temperature, and pressure in the room 30 of the building 6 so that they are constant.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air-conditioning system for a building, which is designed to save energy while providing a comfortable indoor environment throughout the four seasons.

[0002]

2. Description of the Related Art In recent years, a so-called airtight house, which is a building in which the heat insulation and airtightness of the building are improved by comprehensively surrounding the building with a heat insulating material, has been developed, which is particularly popular in cold regions. It is winning.

In such a building (airtight house), since the interior of the building is a sealed space, it is necessary to ventilate the interior of the building systematically. In other words, ventilation is necessary to create a clean and healthy living environment by protecting people and homes from air pollution and unnecessary humidity in order to maintain good habitability for a long time. .

Conventionally, for example, in the above airtight house,
It is said that there is natural ventilation of about 0.5 times (once every 2 hours), but it is difficult to secure the required amount all the time with just this, so for example, heat that is used to recover heat from the exhaust is needed. It is widely practiced to install a centralized mechanical ventilation facility equipped with an exchanger and duct piping to forcibly perform ventilation.

On the other hand, a heat storage layer or a heat storage floor is provided in the ground, and the solar heat taken in through windows or the like is stored in the heat storage layer or the heat storage bed, and the stored heat is released to effectively use the solar heat. Therefore, it is widely practiced to save energy especially during heating.

[0006]

However, the forced ventilation by the natural ventilation or the centralized mechanical ventilation facility in the above-mentioned conventional example focuses only on the indoor ventilation. For example, the outdoor temperature is better than the indoor temperature. Is quite low, and the atmospheric pressure outside the room (atmospheric pressure)
If there is a difference in the indoor air pressure (internal pressure), the indoor temperature will drop and the indoor air pressure will fluctuate. Considering health matters, this is not enough at present. there were.

For example, if the indoor humidity fluctuates due to this ventilation, it may adversely affect rheumatism and joint diseases,
If it doesn't help to prevent a cold and if the air pressure in the room changes,
Not only does it increase the risk of stroke, but it also adversely affects blood circulation.

On the other hand, the heat storage layer or the heat storage bed is designed to release the heat stored in the daytime at night, for example, in winter, so that the solar heat can be effectively used in a large cycle throughout the four seasons. is not.

In view of the above, the present invention makes it possible to perform the necessary ventilation in the room while making more effective use of the heat storage layer and contributing to greater energy saving. The purpose is to provide a product that does not fluctuate under the influence of the condition of.

[0010]

In order to achieve the above object, an air conditioning system in a building according to the present invention includes a heat insulating material in the upper part of a heat storage layer surrounded by a heat insulating material and buried in the ground. While constructing a building that is surrounded by
The inside of the heat storage layer and the interior of the building are communicated with each other, and air is supplied from the outside that has undergone heat exchange with a heat exchanger while exhausting air from the inside of the heat storage layer, for example, humidity, temperature and pressure inside the building are It is characterized in that it is adjusted to be constant and introduced into the interior of the building.

[0011]

According to the present invention having the above-described structure, the heat storage layer stores heat at a high temperature in summer in winter and discharges warm air having a temperature higher than that of outside air in association with the driving of the heat exchanger. Then
In the summertime, cold air that is in the ground and has a temperature lower than that of the outside air is discharged, and the air supply from the outside that has undergone heat exchange with this is introduced into the interior of the building. It is possible to ventilate the interior of the building by exhausting excess air in the interior of the building to the heat storage layer.

Since the interior of the building and the heat storage layer communicate with each other while being insulated from the outside through the heat insulating material, the interior of the building is not affected by the outside during this ventilation. It is possible to prevent this from happening as much as possible, to keep the inside in a constant state isolated from the outside, and most of the heat stored in the heat storage layer can be used for heat exchange by the heat exchanger.

[0013]

Embodiments of the present invention will now be described in detail with reference to the drawings. In the figure, reference numeral 1 is a heat storage layer which is excavated in the ground and buried therein, and the heat storage layer 1 spreads the crushed stones 3 almost uniformly on the upper surface of the cobblestone 2 and, for example, meat The heat insulating material 4 such as styrofoam having a thickness of 150 mm surrounds the entire surface.

Here, the volume of the boulders 2 of the heat storage layer 1 is
For example, when the volume of the building is 200 m ³ ,
It is set to 0 m ³ , and it is set to perform ventilation once every 30 minutes.

A pressure-resistant rubber sheet 5 is stretched on the upper surface of the upper wall of the box-shaped heat insulating material 4, the inner surface of the side wall, and the upper surface of the bottom wall, whereby the entire circumference of the heat storage layer 1 is A building 6 having an adiabatic and airtight structure, which is covered with a pressure-resistant rubber sheet 5 and whose surroundings are comprehensively bent and surrounded by a heat insulating material, is constructed.

An airtight chamber 7 is formed under the floor of the building 6. That is, a foundation (concrete slab) 8 is placed on the pressure-resistant rubber sheet 5 covering the upper surface of the heat storage layer 1, and a floor 9 is stretched over the entire surface of the foundation 8 at positions separated by a predetermined distance. In addition, the floor 9 is formed by sandwiching a heat insulating material 10 such as foamed plastic having a thickness of 50 mm between a pair of base plywood in a sandwich shape.

Airtight layers 13 and 14 are formed inside the peripheral wall 11 and above the ceiling 12, respectively. That is, the peripheral wall 11 is the outer wall 15 that is arranged with a predetermined gap.
The outer wall 15 includes a heat insulating material 17 such as styrofoam having a thickness of 50 mm and a pressure resistant rubber sheet sandwiched between a pair of base plywood in a sandwich shape and a finishing material 18 such as mortar on the outer surface. The inner wall 16 is formed by sandwiching a heat insulating material 21 such as styrofoam having a thickness of 25 mm and a pressure resistant rubber sheet in a sandwich shape between a base plywood and an interior material 20 such as a printed board. ing.

On the other hand, the ceiling 12 has a heat insulating material 2 such as styrofoam having a thickness of 50 mm between a pair of base plywood.
2 is sandwiched, and an inner material 23 such as a printed board is stretched on the lower surface, and a pair of base plywood is provided above the ceiling 12 and separated by a predetermined distance. An attic partition plate 25 configured by sandwiching the heat insulating material 24 in a sandwich shape is arranged.

An attic space 27 is formed between the attic partition plate 25 and a roof 26 covering the upper part of the attic partitioning plate 25. The roof 26 is made of a heat insulating material 28 such as styrofoam having a thickness of 25 mm. A base plywood and a pressure resistant rubber sheet are sequentially laminated on the upper surface, and a roof material 29 such as a long iron plate is stretched on the laminated plywood.

In this way, the room 30 of the building 6 is doubly surrounded by the heat insulating material, the airtight layer or the airtight chamber is provided between the heat insulating materials, and the outer circumference is covered with the pressure resistant rubber sheet. The airtightness is configured so as to be suppressed to a top level of, for example, about 1.5 mm / m ² .

Further, a ventilation path 32 is formed inside the partition wall 31 which divides the room 30 into a plurality of rooms. That is, the partition wall 31 is configured by arranging a pair of wall bodies 33 with a predetermined space therebetween, and each of the wall bodies 33 has a heat insulating material 34 such as styrofoam having a thickness of 25 mm on the surface of the base plywood. It is constructed by laying it on one side, covering this surface with a pressure rubber sheet, and further finishing with a finishing material 35 such as sand wall finishing.

Further, each of the wall bodies 33 has a partition wall 31.
Is provided with a through hole 33a to the air passage 32, and the lower end thereof reaches the airtight chamber 7 under the floor, and a plurality of underground ducts 3 are provided between the airtight chamber 7 and the heat insulating layer 1.
6 are provided.

As a result, the through hole 33a of the wall 33,
The interior 30 of the building 6 and the interior of the heat storage layer 1 are configured to communicate with each other via the air passage 32, the airtight chamber 7 under the floor, and the underground duct 35.

On the other hand, an exhaust duct 41 is provided, which extends upward from the heat storage layer 1 through the room 30 and is connected to the heat exchanger 40 disposed in the attic space 27. The air sent to the exchanger 40,
Heat is exchanged with the air sent into the heat exchanger 40 from the outside.

As a result, the heat storage layer 1 does not leak the heat stored therein to the outside, but in the winter, the heat is stored at a high temperature in the summer and the warm air having a temperature higher than the outside air is supplied in the summer. Can send cold air, which is in the ground and has a temperature lower than that of the outside air, from the exhaust duct 41 to the heat exchanger 40 as exhaust gas, and the exhaust heat can be used for heat exchange with the supply air in the heat exchanger 40. .

The supply air that has been heat-exchanged by the heat exchanger 40 passes through a dehumidifier 42, a heater 43, a filter 44 and a humidifier 45 arranged in the attic space 27, and is then branched into a plurality of pieces. Then, it is introduced into the interior from the air supply duct 46 that opens toward the room 30 of the building 6, and with the introduction of the air supply, the excess air in the room 30 of the building 6 is, as described above, The heat is discharged into the heat storage layer 1, so that the room 30 is ventilated.

With this structure, the interior 30
During ventilation, the inside of the heat exchanger is prevented from being affected by the outside as much as possible to maintain a constant state of being isolated from the outside, and most of the heat stored in the heat storage layer 1 is stored in the heat exchanger. It can be used for heat exchange by 40.

The supply air that has been heat-exchanged by the heat exchanger 40 is dehumidified by the dehumidifier 42, heated by the heater 43, and then passes through the filter 44 to remove dust and pollen in the air. Is removed and then humidified by the humidifier 45. At this time, the humidity of the supply air after the humidification is, for example, 8
It is set to 0%.

As a result, the humidity in the room 30 is kept at approximately 8
It can be kept constant at 0%, which can prevent adverse effects on rheumatism and joint diseases and help prevent colds.

Further, as described above, by shutting off the interior of the room 30 and the heat storage layer 1 from the outside, fluctuations in the atmospheric pressure inside these are suppressed, thereby preventing the occurrence of stroke and the deterioration of blood circulation. be able to.

Further, since the temperature in the heat storage layer 1 is maintained substantially constant, the supply air that has been heat exchanged with the exhaust gas from the heat storage layer 1 is also substantially constant, whereby the temperature of the room 30 is maintained substantially constant. can do.

A hygrometer, a barometer and a thermometer are installed in the room 30, and the humidifier 45 is operated by the hygrometer.
To maintain the indoor humidity at a constant level of 80%, or to control the heat exchanger 40 by a barometer,
The air pressure inside the room is kept constant, and the heater 3 is attached to the thermometer.
It is also possible to control 2 to keep the temperature in the room constant.

[0033]

Since the present invention has the above configuration,
Most of the heat stored in the heat storage layer is used for heat exchange by the heat exchanger, and more efficient use of this heat storage layer is achieved to contribute to greater energy saving, while the heat exchanged by the heat exchanger is performed. It is possible to guide air into the room and perform the necessary ventilation in the room. Moreover, since the interior of the building and the heat storage layer are in communication with each other in the state of being cut off from the outside through the heat insulating material, It is possible to prevent the indoor condition from being affected by the outdoor condition and fluctuating due to ventilation.

[Brief description of drawings]

FIG. 1 is a sectional view of a building showing an embodiment of the present invention.

[Explanation of symbols]

1 Heat Storage Layer 4, 10, 17, 21, 21, 22, 24, 28, 34 Insulation Material 6 Building 7 Airtight Room 9 Floor 11 Peripheral Wall 12 Ceiling 13, 14 Airtight Layer 25 Roof Back Partition Plate 26 Roof 27 Attic Space 30 Indoor 31 Partition Wall 32 Ventilation Path 36 Underground Duct 40 Heat Exchanger 41 Exhaust Duct 46 Air Supply Duct

Claims (2)

[Claims] 1. A building that is comprehensively surrounded by a heat insulating material is constructed on the upper part of the heat storage layer surrounded by a heat insulating material and buried in the ground. Is communicated with each other, and the air supply from the outside, which is heat-exchanged by a heat exchanger while introducing air from the heat storage layer, is introduced into the interior of the building. 2. The supply air that has been heat-exchanged by the heat exchanger is adjusted so as to be introduced into the interior of the building so that the humidity, temperature and pressure in the interior of the building are constant. The air conditioning system for a building according to claim 1.