JPH10115021A - Perimeter air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily and surely reduce the thermal load entering a building by arranging blinds for shielding direct sunlight and blinds for shielding radiation heat and providing an air blowing means and air discharging means in each shielding space. SOLUTION: When a thermal load Ho enters a building 21, a part of the thermal loads is reflected by a blind 25 and H1. Another part is absorbed, and another part is transmitted. A part of the thermal load Ho further absorbed is divided into the thermal load H3 reflected to a shielding space 29 and the thermal load H4 radiated to a shielding space 30. A large part of the thermal load H2 transmitted through the blind 25 is absorbed by a blind 27, being divided into the thermal H5 radiated from the blind 27 to the shielding space 30 and the thermal load H6 radiated to a space 31. At this point, the thermal load H3 passes through a supply port 32b from a blower 34 and passes through a discharge port 37 a together with air flow 41, being discharged to a space 35. In the same way, the thermal loads H4 and H5 are discharged together with air flow 45. At this moment, since almost all of the thermal loads are discharged, the thermal loads H6 and H7 are very small. Through such operation, the environment in the room can be maintained comfortable at a low running and maintenance costs.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air barrier type perimeter air conditioner using a blind.

[0002]

2. Description of the Related Art Recently, a perimeter air conditioner has been developed to shield a thermal load that enters a building from the outside to the inside of the building. As one of such perimeter air conditioners, a perimeter air conditioner called an air barrier system, which forms a heat load shielding layer by an air flow in a window and blocks the intrusion of a heat load into a room, has been developed. Have been.

Conventionally, as a perimeter air conditioner employing such an air barrier system, for example, Japanese Utility Model Application Laid-open No.
The one disclosed in JP-A-134594 is known. FIG. 3 shows a perimeter air conditioner of this type. In the figure, reference numeral 1 indicates a building. A window 3 is formed in the building 1, and a window glass 5 is arranged in the window 3.

A blind 7 is arranged along the indoor side of the window 3, and the inside of the building 1 is
It is divided into a shielding space 9 which is a thermal load shielding layer and an indoor space 11. A blower 13 is disposed below the shielded space 9, and a discharge hole 15 is formed above the shielded space 9.

In the building 1 described above, a heat load 17 enters the building 1 from outside the building 1 through the window glass 5.
Part of the heat load 17 that has entered is absorbed by the blind 7,
Another part penetrates the blind 7 and enters the indoor space 11 as a heat load 17a. Further, a part of the heat load 17 absorbed by the blind 7 becomes a heat load 17b radiated to the shielded space 9 and a heat load 17c radiated to the indoor space 11.

The heat load 17 b radiated from the blind 7 to the shielding space 9 is discharged to the discharge hole 15 by the air flow 19 supplied from the blower 13.

[0007]

However, in such a conventional perimeter air conditioner, the heat load 17a passing through the blind 7 and the heat load 17c radiated from the blind 7 enter the indoor space 11. For this reason, there is a problem that the thermal load 17 entering from the outside of the building 1 through the window glass 5 cannot be completely shielded.

Further, in order to completely shield the thermal load 17 entering from the outside of the building 1 through the window glass 5, it is necessary to use a complicated device such as a cool air device, so that extra initial investment and operating costs are required. However, there is a problem that maintenance costs are incurred. The present invention has been made to solve such a conventional problem, and an object of the present invention is to easily and surely reduce a heat load that enters a building interior from a building exterior through a window glass.

[0009]

According to a first aspect of the present invention, there is provided a perimeter air-conditioning apparatus comprising: a blind for direct sunlight shielding disposed along a room side of a building window; and a window for the blind for direct sunlight shielding. A radiant heat shielding blind disposed on the opposite side, a first shielding space formed between the window portion and the direct sunlight shielding blind, and the direct sunlight shielding blind and the radiant heat shielding blind; A blower for supplying indoor air to a second shielded space formed between the first and second shielded spaces, and a discharger for discharging indoor air supplied to the first and second shielded spaces by the blower to the outside of the room And characterized in that:

According to a second aspect of the present invention, there is provided the perimeter air conditioner according to the first aspect, wherein a plurality of the radiation heat shielding blinds are arranged.

In the perimeter air conditioner according to the first aspect of the present invention, when strong solar radiation enters the interior of the building in the summer when the solar radiation is strong and in other seasons, the thermal load that enters the interior through the window glass from the outdoor part of the building. Is first absorbed by the direct sunlight shielding blind, and the heat load radiated to the first shielding space formed between the window portion and the direct sunlight shielding blind is firstly absorbed by the blowing means. Is discharged to the discharge means by the indoor air supplied to the shielded space of.

[0012] Further, of the heat loads absorbed by the direct sunlight shielding blind, the heat load radiated to the second shielding space formed between the direct sunlight shielding blind and the radiant heat shielding blind, and Among the heat loads transmitted through the direct sunlight shielding blind and absorbed by the radiant heat shielding blind, the heat load radiated to the second shielding space is generated by indoor air supplied to the second shielding space by the blowing means. , And is discharged to the discharging means.

When the solar radiation is weak such as in winter, the external heat load is taken into the building by appropriately adjusting one or both of the blinds for shielding direct sunlight and / or the radiant heat shielding. . In the perimeter air conditioner according to claim 2, since a plurality of radiant heat shielding blinds are arranged, the heat load that could not completely block the intrusion into the indoor space with only the first radiant heat shielding blind can be more efficiently discharged. Is discharged.

[0014]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 shows a first embodiment (corresponding to claim 1) of a perimeter air conditioner of the present invention. In FIG. 1, reference numeral 21 denotes a building such as a building. A window 22 is formed in the building 21, and a window frame 23 and a window glass 24 are arranged in the window 22.

The material of the window glass 24 is not limited to glass, and any material, such as a transparent resin, can be used as long as it can prevent wind and rain from entering the inside of the building 21 from outside the building 21. Window 22
A blind 25 for direct sunlight is disposed along the indoor side of the vehicle, and a blind 2 for radiant heat shielding is provided on the opposite side of the window 22 in parallel with the blind 25 for direct sunlight.
7 are arranged.

The blinds 25 for shielding direct sunlight and the blinds 27 for shielding radiant heat are configured by connecting a large number of slats 25b and 27b so as to be freely opened and closed by string members 25a and 27a. Window 2
2 and a direct sunlight shielding blind 25, a first shielding space 29 is formed, and between the direct sunlight shielding blind 25 and the radiant heat shielding blind 27, a second shielding space 29 is formed.
Is formed.

An indoor space 31 is formed on the opposite side of the radiant heat shielding blind 27 from the window 22. A peri counter 32 is arranged below the first shielded space 29 and the second shielded space 30. A suction hole 32 a for taking in room air 33 is formed on a side surface of the peri counter 32.

The upper surface of the peri-counter 32 has a supply hole 32b for supplying the taken indoor air 33 to the first shielded space 29, and supplies the taken indoor air 33 to the second shielded space 30. Holes 32c are formed. Further, inside the peri counter 32, a blower 3 which is a blower for discharging indoor air 33 to the first shielded space 29 and the second shielded space 30 is provided.
4 are arranged.

A ceiling space 35 is provided above the first shielding space 29, the second shielding space 30, and the indoor space 31.
Is formed. This ceiling panel 3
7, a discharge hole 37a and a discharge hole 37b for discharging the indoor air 33 supplied to the first shield space 29 and the second shield space 30 by the blower 34 to the outside of the room are formed.

In the above-mentioned building 21, a heat load H0 enters the inside of the building 21 through the window glass 24 from outside the building 21. A part of the heat load H0 is reflected as a heat load H1 by the direct sunlight shielding blind 25, and another part is
Absorbed by the direct sunlight shielding blind 25, another part is used as the heat load H2 as the direct sunlight shielding blind 2.
5 is transmitted.

Further, a part of the heat load H0 absorbed by the direct sunlight shielding blind 25 is converted into the heat load H radiated from the direct sunlight shielding blind 25 to the first shielding space 29.
3 and the heat load H4 radiated to the second shielded space 30. Most of the heat load H2 that has passed through the direct sunlight shielding blind 25 is absorbed by the radiant heat shielding blind 27, and further, the heat load H5 radiated from the radiant heat shielding blind 27 to the second shielding space 30 and the room The heat load H6 radiated to the space 31 is obtained.

Here, the heat load H3 radiated from the direct sunlight shielding blind 25 to the first shielding space 29 is the indoor air 33 supplied from the blower 34 through the supply hole 32b.
Of the ceiling space 3 through the discharge hole 37a
It is discharged to 5. Similarly, blind 2 for direct sunlight shielding
5 from the heat load H4 radiated to the second shielded space 30, and the radiant heat shielding blind 27 to the second shielded space 3
The heat load H5 radiated to 0 is supplied from the blower 34 to the supply hole 3
Due to the airflow 45 of the room air 33 supplied through 2c, the room air 33 is discharged to the ceiling space 35 through the discharge hole 37b.

At this time, most of the heat load H0 that has entered from outside the building 21 is discharged to the ceiling space 35 by the air flow 41 and the air flow 45, and thus passes through the heat load H6 and the radiant heat shielding blind 27. The heat load H7 is very small. In the perimeter air-conditioning apparatus configured as described above, since the direct sunlight shielding blind 25 and the radiant heat shielding blind 27 are arranged along the indoor side of the window 22, the building is passed through the window glass 24 from outside the building 21. 21
A part of the heat load H0 that has entered inside can be absorbed by the direct sunlight shielding blind 25 and the radiant heat shielding blind 27.

The heat load H3 radiated from the direct sunlight shielding blind 25 to the first shielding space 29 is changed by the airflow 41 of the room air 33 supplied from the blower 34 through the supply hole 32b to the discharge hole 37a. Can be discharged to the ceiling space 35, so that the intrusion of the heat load H3 into the indoor space 31 can be reduced.

Similarly, a heat load H4 radiated from the direct sunlight shielding blind 25 to the second shielding space 30 and a heat load H5 radiated from the radiation heat shielding blind 27 to the second shielding space 30 are supplied to the blower. 34 to supply hole 32c
Can be discharged from the discharge hole 37b to the ceiling space 35 by the airflow 45 supplied through the heat load H4.
In addition, the intrusion of the heat load H5 into the indoor space 31 can be reduced.

In the case where strong solar radiation enters the interior of the building 21 in the summer when the solar radiation is strong and in other seasons, the building 2 is passed through the window glass 24 from outside the building 21.
Most of the heat load H0 that has entered the inside 1 can be discharged without allowing the heat load H0 to enter the indoor space 31, so that a comfortable indoor environment can be maintained. In addition, heat load H3, heat load H
Since the air flow 41 and the air flow 45 for discharging the heat load H5 use the indoor air 33, the blower 34 may be a simple one, for example, using a complicated device for blowing cool air. This eliminates the need for extra initial investment, operating and maintenance costs.

Further, when the solar radiation is weak such as in winter, the blinds 25 for shielding direct sunlight and the blinds 2 for shielding radiant heat are used.
By appropriately opening and closing both or any one of 7 and 7, the heat load H0 from the outside can be taken into the inside of the building 21, and a comfortable indoor environment can be maintained.
FIG. 2 shows a second embodiment (corresponding to claim 2) of a perimeter air conditioner of the present invention. In this embodiment, a window 2 is provided in parallel with a radiation heat shielding blind 27.
A second radiant heat shielding blind 47 is arranged on the opposite side to the second.

A third shielding space 49 is formed between the radiant heat shielding blind 27 and the second radiant heat shielding blind 47. First shielding space 29, second
A peri counter 32 is arranged below the shielded space 30 and the third shielded space 49. A suction hole 32 a for taking in room air 33 is formed on a side surface of the peri counter 32.

The upper surface of the peri counter 32 is provided with supply holes for supplying the introduced indoor air 33 to the first shielded space 29, the second shielded space 30, and the third shielded space 49, respectively. 32b, a supply hole 32c, and a supply hole 32d are formed. Also, on the ceiling plate 37,
A discharge hole 37a, a discharge hole 37b, and a discharge hole 37c for discharging indoor air 33 supplied to the first shielding space 29, the second shielding space 30, and the third shielding space 49 by the blower 34, respectively, to the outside of the room. Are formed.

In the second embodiment, most of the very small heat load H7 transmitted through the radiant heat shielding blind 27 is absorbed by the second radiant heat shielding blind 47, and furthermore, the second radiant heat shielding blind The heat load H8 is radiated from 47 to the third shielded space 49 and the heat load H9 is radiated to the indoor space 31. Further, the heat load H radiated from the radiation heat shielding blind 27 to the third shielding space 49
6 and the second from the second radiant heat shielding blind 47
Heat load H8 radiated to the shielding space 49 of the blower 34
From the air flow 51 supplied through the supply hole 32d from
It is discharged to the ceiling space 35 through the discharge hole 37c.

As described above, the radiation heat shielding blind 27
And the second radiant heat shielding blind 47, the perimeter air conditioner is constructed by
The heat load H0 that has penetrated into the interior is more completely removed from the ceiling space 35.
Can be discharged to the indoor space 3 of the heat load H0.
1 can be greatly reduced. In the first and second embodiments described above, the blind 2 for shielding direct sunlight is used.
5. The example in which the slats of the radiation heat shielding blind 27 and the second radiation heat shielding blind 47 are arranged in the horizontal direction has been described, but the present invention is not limited to such an embodiment. A blind in which the slats are arranged vertically may be used, or a roll-up type blind may be used.

[0032]

As described above, in the perimeter air conditioner according to the first aspect, most of the heat load that has entered the building interior from the outside of the building can be exhausted without entering the interior space. A comfortable indoor environment can be maintained. Further, since the indoor air is used for the air flow for discharging the heat load, the blowing means becomes very simple, and unnecessary initial investment, operation costs, and maintenance costs can be reduced.

According to the perimeter air conditioner of the second aspect, since the heat load that has entered the interior from the outside of the building can be more completely exhausted than the perimeter air conditioner of the first aspect, a more comfortable indoor environment can be achieved. Can be maintained.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a first embodiment of a perimeter air conditioner of the present invention.

FIG. 2 is a sectional view showing a second embodiment of the perimeter air conditioner of the present invention.

FIG. 3 is a cross-sectional view showing a perimeter air conditioner employing a conventional air barrier system.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 21 Building 22 Window part 25 Blind for direct sunlight shielding 27 Blind for radiation heat shielding 29 First shielding space 30 Second shielding space 33 Indoor air 34 Blower (blowing means) 37a Discharge hole (discharging means) 47 Second radiant heat shielding For blinds

Claims (2)

[Claims] 1. A blind for direct sunlight shielding disposed along the indoor side of a building window, a blind for radiant heat shielding disposed on the opposite side of the window of the direct sunlight blind from the window, and A first shielding space formed between the window and the direct sunlight shielding blind, and a second shielding space formed between the direct sunlight shielding blind and the radiant heat shielding blind, A perimeter air conditioner comprising: a blower that supplies indoor air; and a discharger that discharges indoor air supplied to the first and second shielded spaces by the blower to the outside of the room. 2. The perimeter air conditioner according to claim 1, wherein a plurality of the radiation heat shielding blinds are arranged.