JPH04306430A - Air conditioner - Google Patents

Abstract

PURPOSE:To prevent discharged air from being taken again into an air condition and to provide an effective utilization of a floor area by a method wherein an air discharging duct communicated with each of air discharging ports of a plurality of air conditioners, the air conditioners and the discharging duct are mounted outside a building. CONSTITUTION:Air conditioners 12 are spaced apart continuously in the vertical direction in a predetermined spacing from an outer wall 82 of a building 78 so as to be corresponded to a floor 80 of the building 78. Air distributed into a room by a damper 52 is discharged from a discharging port 56 into a discharging duct 88, passes through a hood 90 disposed at an upper end of the air discharging duct 88 and is discharged out of the building. Since the discharged air discharged from the discharging port 56 into the discharging duct 88 is further discharged out of a room through the hood 90 disposed at a further upstream side of the uppermost air conditioner, the air discharging can be prevented from being taken again into the air conditioners 12. The air conditioners 12 are mounted out of the building 78, so that a narrow effective spacing of the building may not be realized.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner, and more particularly to an air conditioner using an air conditioner such as an air handling unit or a packaged air conditioner.

0002

21, conventionally, each air conditioner 3 for conditioning each floor 2 of a building 1 is installed in a machine room 4 provided in one section of each floor 2. Outside air is taken into each air conditioner 3 through each outside air port 6 provided on the wall surface 5 of the building 1, and exhaust air is discharged outdoors through each exhaust port 7 provided on the wall surface 5.

0003

[Problems to be Solved by the Invention] Conventionally, the outside air ports 6 and the exhaust ports 7 of each air conditioner 3 are connected to the same wall surface 5 of the building 1.
For example, as shown by the dashed arrow in FIG. It is taken into the air conditioner,
There were problems in that the performance of the air conditioners on the floors above deteriorated and the indoor environment deteriorated.

[0004] Furthermore, if a machine room 4 is provided on one section of each floor 2 and each air conditioner 3 is installed therein, there is also the problem that the floor area of each floor 2 is reduced. Therefore, the main object of the present invention is to provide an air conditioner that can maintain the performance of the air conditioner, prevent deterioration of the indoor environment, and make effective use of the floor space of a building.

[0005]

[Means for Solving the Problems] The present invention provides a plurality of air conditioners each including a casing, an exhaust port formed in the casing, and an outside air port and arranged in sequence in a vertical direction; This is an air conditioner equipped with an exhaust duct that communicates with each exhaust port of the machine, and the air conditioner and exhaust duct are installed outside the building.

[0006]

[Operation] A plurality of air conditioners are sequentially arranged vertically outside a building, and the exhaust ports of each air conditioner are connected to a common exhaust duct provided outside the building. Then, the exhaust air from each air conditioner is discharged outdoors through the exhaust duct. Furthermore, the inside of the exhaust duct will be used as a space for maintenance and inspection of the air conditioner and space for piping and wiring.

[0007]

[Effects of the Invention] According to the present invention, the exhaust gas can be discharged outdoors at a sufficient distance from the outside air port of each air conditioner through the exhaust duct, so that the exhaust gas can be taken into the air conditioner again. It is possible to maintain the performance of the air conditioner and prevent deterioration of the indoor environment. Moreover, since the air conditioner and exhaust duct are installed outside the building, floor space can be used effectively.

The above objects, other objects, features and advantages of the present invention will become more apparent from the following detailed description of embodiments with reference to the drawings.

[0009]

Embodiment Referring to FIGS. 1 to 3, an air conditioner 10 of this embodiment includes a plurality of air conditioners 12. Each air conditioner 12 includes a casing 14, as best seen in FIGS. 4-6. Inside the casing 14, 6 partition walls 16 and 18 are formed to extend in the vertical direction, and partition walls 20 to 24 are formed to extend in the horizontal direction.
Two chambers 26-36 are formed.

A return air port 38 (indicated by a two-dot chain line in FIG. 4) is formed on the front surface of the chamber 26, that is, on the upper right side of the front surface of the casing 14. 42 are arranged. fan 40
The discharge port 44 is connected to an opening 46 formed in the partition wall 20. Openings 48 and 50 are formed in the partition wall 22 to communicate the chamber 28 with each of the chambers 30 and 32,
Dampers 52 and 5 are provided in the openings 48 and 50, respectively.
4 is provided.

An exhaust port 56 for discharging exhaust gas is formed on the front surface of the chamber 30, that is, on the lower right side of the front surface of the casing 14, and an outside air port 58 for taking in outside air is formed on the rear surface of the chamber 32, that is, on the lower left side of the rear surface of the casing 14. be done. A damper 60 is provided at this outside air port 58. Room 32 and Room 3
An air filter 62 is provided at the boundary with the chamber 34 so that its main surface extends horizontally, and a heat exchange coil (cold/hot water) is installed inside the chamber 34 so that its main surface is oblique.
64 (FIG. 5) and a humidifier 66 are arranged parallel to each other. Further, a fan 68 and a motor 70 for driving the fan 68 are arranged in the upper part of the chamber 34, and a discharge port 70 of the fan 68 is arranged.
2 is connected to an opening 74 formed in the partition wall 24.

[0012] An air supply port 76 (2 in FIG.
In addition, an inspection door (not shown) is provided on the front surface of the casing 14 for inspecting, replacing, etc. each air conditioner disposed inside the casing 14. Therefore, inside the air conditioner 12, as shown in FIG.
An air passage as shown in is formed.

Returning to FIGS. 1 to 3, each air conditioner 12 configured in this manner is spaced apart from the outer wall 82 of the building 78 by a predetermined distance so that each air conditioner 12 corresponds to each floor 80 of the building 78. They are installed vertically and continuously. and,
Side plates 84 and 86 (FIG. 2) that define the space between the outer wall 82 of the building 78 and each air conditioner 12 are formed continuously in the vertical direction, thereby creating a space between the outer wall 82 and each air conditioner 12. A vertically continuous exhaust duct 88 is formed therebetween.

A substantially "J"-shaped hood 90 is installed at the upper end of the exhaust duct 88, and each air conditioner 12
The return air port 38 and the air supply port 76 are connected to the return air duct 92 and the supply air duct 94 disposed on each floor 80 via connection ducts 96 and 98, respectively, as shown in FIG. In addition, the wall surface of each floor 80, that is, the building 7
A door (not shown) is formed on the wall of the exhaust duct 8.
8, a deck 100 is formed corresponding to the door and serves as a foothold during maintenance and inspection. The deck 100 may be any suitable material that allows exhaust gas to pass through, but in this embodiment, expanded metal (FIG. 2) is used.

Furthermore, inside the exhaust duct 88, a pipe 101 is provided.
and wiring are laid (Figure 2). When the fans 40 and 68 are driven by the motors 42 and 70 in each air conditioner 12 constituting the air conditioner 10, air flows as shown by arrows in FIGS. 1, 2, and 4 to 7. That is, the return air port 38 is passed through the connection duct 96.
The air taken into the casing 14 (chamber 26) from the
and 54 to chambers 30 and 32, respectively. The air distributed to the chamber 32 is mixed with outside air flowing in from the outside air port 58 and passed through the air filter 62 to the chamber 34.
guided inward. Then, it is heated or cooled by a heat exchange coil 64, and humidified by a humidifier 66 as necessary. Note that cold water is passed through the heat exchange coil 64 during cooling, and hot water is passed through the heat exchange coil 64 during heating. The air that has been subjected to air conditioning processes such as dust removal, heat exchange, and humidification in this manner is taken into the fan 68, sent into the room 36 through the opening 74, and is sent from the air supply port 76 to the connecting duct 98 and the air supply duct. 94 into the room to be air-conditioned.

On the other hand, the air distributed to the chamber 30 by the damper 52 is discharged from the exhaust port 56 into the exhaust duct 88, and is discharged outdoors through a hood 90 provided at the upper end of the exhaust duct 88. According to this embodiment, the exhaust gas discharged from the exhaust port 56 into the exhaust duct 88 is discharged outdoors from the hood 90 provided above the uppermost air conditioner, so that the exhaust gas is discharged from each air conditioner. It is possible to prevent the air from being taken into the machine 12 again, and it is possible to prevent the indoor environment from deteriorating as a whole.

Furthermore, since each air conditioner 12 is installed outside the building 78, the effective space inside the building will not be reduced. Note that each air conditioner 12 is not limited to those of the above-mentioned embodiments, and for example, the air conditioner 102 shown in FIGS. 8 to 10, the air conditioner 1 shown in FIGS. 12 to 14,
04 or the air conditioner 106 shown in FIGS. 16 to 18 or other suitable types may be used.

The air conditioner 102 shown in FIGS. 8 to 10 has the following features:
A total heat exchanger 10 is further added to the air conditioner 12 of the above embodiment.
Figure 11 is placed inside the casing 14.
By forming an air passage as shown in FIG. 1, it is possible to exchange heat between the exhaust gas and the outside air by the total heat exchanger 108 and to recover exhaust heat. The air conditioner 104 shown in FIGS. 12 to 14 includes an indoor coil 110, an outdoor coil 112, a compressor 114, etc. in place of the heat exchange coil (cold/hot water) 64 in the air conditioner 12 of the above-described embodiment. A heat pump 116 (FIG. 15) is incorporated in the casing 14, and an air passage as shown in FIG. 15 is formed inside the casing 14.

The air conditioner 106 shown in FIGS. 16 to 18 has a total heat exchanger 118 added to the air conditioner 104 shown in FIGS. 12 to 14, and is arranged inside the casing 14. It has air passages as shown in the figure. When using the air conditioner 104 or 106,
It is possible to prevent the exhaust gas discharged from the exhaust port 56 into the exhaust duct 88 from being taken into the air conditioner 104 or 106 on the upper floor again, to prevent the performance of the outdoor coil 112 from deteriorating, and to prevent the indoor environment from deteriorating. .

Referring to FIG. 20, an air conditioner 120 of another embodiment includes an outdoor unit 122 and an indoor unit 1.
The air conditioner 126 includes a plurality of air conditioners 126 having 24 air conditioners. Each outdoor unit 122 of each air conditioner 126 includes a casing 128, and an outside air port 58' is provided on the rear surface (right side in FIG. 20) of the casing 128, and an exhaust port 56' is provided on the front surface (left side in FIG. 20). Each is formed. Further, inside the casing 128, an outdoor coil, a compressor, etc. (not shown) are arranged.

Each indoor unit 124 includes a casing 130. A return air port 38' is formed on the right side of the casing 130 in FIG. 20, and an air supply port 76' is formed on the left side of the casing 130. Inside, an indoor coil (not shown) and the like are arranged. An air supply duct 132 is connected to the air supply port 76'. The outdoor coil and compressor of the outdoor unit 122 and the indoor coil of the indoor unit 124 are connected by a refrigerant pipe 134, thereby configuring a heat pump (not shown).

Each air conditioner 126 configured as described above
Each of the indoor units 124 is arranged indoors, for example, under the ceiling, and each of the outdoor units 122 is sequentially installed in the vertical direction in the same manner as each of the air conditioners 12 in the previous embodiment. Then, the exhaust duct 88, hood 90, deck 100, etc. are formed in the same manner as in the previous embodiment. In this embodiment, indoor air is taken in from the return air port 38' of the indoor unit 124, is air-conditioned through an indoor coil (not shown), etc., and then is brought into the room through the air supply duct 132 from the air supply port 76'. Air is blown. Therefore, the connecting ducts 96 and 98 used in the previous embodiment are unnecessary.

In this embodiment, the exhaust port 5 of the outdoor unit 122
6 into the exhaust duct 88 is not taken in again to the outdoor unit 122 on the upper floor.
2 can be prevented from deteriorating in performance. In addition, in each of the air conditioners 102 to 106 described above and the air conditioner 120 of other embodiments, the same or similar parts as in the previous embodiment are given the same or similar symbols, and the explanation thereof is omitted. .

[Brief explanation of the drawing]

FIG. 1 is an illustrative diagram showing an embodiment of the present invention.

FIG. 2 is a sectional view taken along line II-II in FIG. 1.

FIG. 3 is a perspective view showing the embodiment of FIG. 1;

4 is a front view showing the air conditioner used in the embodiment of FIG. 1. FIG.

5 is a left side view of the air conditioner shown in FIG. 4. FIG.

6 is a right side view of the air conditioner in FIG. 4. FIG.

7 is an air flow diagram showing the flow of air in the air conditioner of FIG. 4. FIG.

8 is a front view showing a modification of the air conditioner used in the embodiment of FIG. 1. FIG.

9 is a left side view of the air conditioner of FIG. 8. FIG.

10 is a right side view of the air conditioner of FIG. 8. FIG.

11 is an air flow diagram showing the flow of air in the air conditioner of FIG. 8. FIG.

12 is a front view showing another modification of the air conditioner used in the embodiment of FIG. 1. FIG.

13 is a left side view of the air conditioner shown in FIG. 12. FIG.

14 is a right side view of the air conditioner shown in FIG. 12. FIG.

15 is an air flow diagram showing the flow of air in the air conditioner of FIG. 12. FIG.

16 is a front view showing another modification of the air conditioner used in the embodiment of FIG. 1. FIG.

17 is a left side view of the air conditioner of FIG. 16. FIG.

18 is a right side view of the air conditioner shown in FIG. 16. FIG.

19 is an air flow diagram showing the flow of air in the air conditioner of FIG. 16. FIG.

FIG. 20 is an illustrative view showing another embodiment of the invention.

FIG. 21 is an illustrative diagram showing a prior art.

[Explanation of symbols]

Claims (1)

[Claims] 1. A plurality of air conditioners each including a casing, an exhaust port formed in the casing, and an outside air port and arranged sequentially in a vertical direction, and the exhaust air of each of the plurality of air conditioners. An air conditioner comprising an exhaust duct communicating with an opening, the air conditioner and the exhaust duct being installed outside a building.