JPH0523337B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a separate air conditioner, which is an outdoor unit placed in the ceiling of a building or the like.

[Conventional technology]

6 and 7 show a conventional outdoor unit of an air conditioner similar to the one described in, for example, Japanese Utility Model Application Publication No. 56-155211. In Figures 6 and 7, 1
2 is an air inlet provided on the front of the outer box 1; 3 is an air outlet provided above the air inlet 2 on the front of the outer box 1; 4 is an air outlet provided on the front of the outer box 1; A heat exchanger is provided on the back side of the inner air suction port 2, 5 is a blower provided in the outer box 1 and discharges air to the air outlet 3, 6 is a partition plate, and 7 is a heat exchanger 4 and a blower 5. This is a machine room separated by a partition plate 6 and provided inside the outer box 1 next to the air passage, and a compressor, electrical parts, etc. (not shown in Figures 6 and 7) are installed inside the machine room 7. has been done.

Next, the installed state of the outdoor unit configured as above is shown in FIGS. 8 and 9. 9 is an outdoor unit, 10 is a hanging bolt for suspending and fixing the outdoor unit 9, 11 is a floor on the upper floor of the building, and 12 is a beam of the floor 11 that extends into the ceiling. 13 is a ceiling plate; 14 is an outer wall provided with an outside air inlet 15 and an outside air outlet 16 of the building; 17 and 18 are suction ducts that connect the outdoor unit 9 and the inlets 2 and 15 and the outlet 3 and 16 of the outer wall 14. and a blow-out duct. These ducts 1
7 and 18, although the suction port 2 and the blowout port 3 of the outdoor unit 9 are located at the bottom and the top, the suction port 15 and the blowout port 16 of the outer wall 14 are horizontally arranged side by side, so there is a grade-separated intersection. are doing. The reason why the inlet 15 and the outlet 16 of the outer wall 14 are arranged side by side is to ensure the strength of the outer wall 14 and to allow the beam 12 to protrude above the ceiling.

The operation of the conventional outdoor unit described above will be explained. The suction port 1 of the outer wall 14 is driven by the blower 5.
The outside air led from 5 through the duct 17 passes through the heat exchanger 4 from the suction port 2, exchanges heat with the refrigerant that is the air conditioning medium, and is then sucked by the blower 5 and heated. It is blown out from the building through the air outlet 3 and the duct 18 through the air outlet 16 of the outer wall 14 and released into the atmosphere.

[Problem that the invention seeks to solve]

Conventional outdoor units of air conditioners are configured as described above, with the inlet and outlet located at the bottom and top, resulting in a high height that can be installed in the ceiling of a building or other building. When installing in a narrow place with limited installation space, especially with limited height,
Installation, inspection and maintenance are not easy, and since the inlet and outlet on the building's outer wall are arranged side by side, it is necessary to intersect the inlet and outlet ducts, and the shape of these ducts is The problem was that the connection work was complicated and difficult, and because the suction duct and the outlet duct intersected, these ducts became long and had many bends, resulting in high wind pressure loss and reduced capacity.

This invention was made to solve the above-mentioned problems.The height can be reduced, the shape of the duct can be simplified, and it can be easily installed in the ceiling of a building where installation space is limited. The purpose of this project is to provide an outdoor unit for an air conditioner that can be used as an outdoor unit.

[Means for solving problems]

The outdoor unit of the air conditioner according to the present invention is provided with an air outlet and an outside air inlet arranged on both sides of the outlet, which are arranged side by side in a substantially horizontal manner on the front of the outer box of the outdoor unit. A heat exchanger and an air blower are provided on the same horizontal plane on the back side of the above-mentioned air outlet, and an air passage suction section connected to the above-mentioned suction opening is formed on both sides of these, and the air passage is partitioned by a side plate. A machine room is provided inside the outer box.

[Effect]

In the outdoor unit of this invention, an air outlet and two outside air inlets are arranged side by side on the front of the outer box,
Since the heat exchanger and the blower are arranged on the same horizontal plane on the back side of the air outlet in the outer box, the height of the outer box can be lowered, and the suction duct and horizontal duct do not have to cross over each other. These ducts can be arranged horizontally.

〔Example〕

An embodiment of the present invention will be described below with reference to FIGS. 1 to 3.

In FIGS. 1 and 2, 1 is an outdoor unit outer box, and on the front of this outer box 1, there is an air outlet 3 in the center in the left-right direction, and outside air intake ports arranged on both sides of this outlet 3. Three openings of 2 are arranged. At the center in the left-right direction inside the outer box 1, a heat exchanger 4 arranged parallel to the back side of the air outlet 3 and a blower 5 arranged on the back side of the heat exchanger 4 are arranged on the same plane. is set up. Both ends of the heat exchanger 4 are fixed to partition plates 6a, 6b, and the partition plates 6a, 6b are fixed to side plates 19a, 19b of the air passage 23. The blower 5 has a pair of left and right casings 20 each having a discharge port 5b on the front side, and has suction ports 5a on both sides of the casing 20, and bends the air sucked into the casing 20 from the suction ports 5a in a right angle direction to form a discharge port. The air blower blades 21 discharging air from the air blower 5b are housed, and these air blowers 21 are directly connected to an electric motor 22 disposed between the left and right casings 20, and are configured symmetrically. Further, the casing ring 20 of the blower 5 is fixed to the side plates 19a and 19b by the mounting plate 24, and the mounting plate 24, the side plates 19a and 19b, and the partition plate 6
A and 6b form a blowout portion 23b of the air passage 23. A suction part 23a of the air passage 23 is formed on both sides of side plates 19a and 19b provided on the left and right sides of the heat exchanger 4 and the blower 5, and a side plate 25 is provided on the outside of one suction port 23a. 2
5 A machine room 7 is formed inside the outer box 1. A compressor 26, electrical components, refrigerant circuit members, and the like are installed in the machine room 7.

Next, the installation state of the outdoor unit of one embodiment configured as described above will be explained with reference to FIG. 3. In these figures, the same reference numerals as in FIGS. 8 and 9 indicate the same or corresponding parts, and 19 indicates the outdoor unit 9 and the outer wall 1 of the building.
A suction duct connecting the suction ports 2 and 15 of 4, 18
is a blow-off duct connecting the outdoor unit 9 and the blow-off ports 3 and 16 of the outer wall 14, and the suction duct 19 and the blow-off duct 18 are arranged substantially horizontally side by side.

Next, the operation of the outdoor unit of the above-mentioned embodiment will be explained. The outside air guided through the duct 19 from the suction port 15 of the outer wall 14 by the drive of the blower 5 passes through the suction portion 23a of the air passage 23 from the suction port 2, and then passes through the air blower blades 21 driven by the electric motor 22. It passes through the air outlet 23b of the air passage 23 and the heat exchanger 4, where it exchanges heat with the air conditioning medium, and then passes through the air outlet 3 and the duct 18 to the outer wall. It is blown out of the building from the 14 air outlets 16 and released into the atmosphere.

In the outdoor unit of this embodiment, the blower 5 is arranged on the same horizontal plane on the back side of the heat exchanger 4 as shown in FIG. Saga heat exchanger 4 or blower 5
It is determined by the maximum value of , and it is possible to obtain a low-height outdoor unit. Since the suction port 2 and the blowout port 3 are arranged side by side substantially horizontally on the front surface of the outer box 1, the height, that is, the thickness thereof, can be reduced as the height of the outer box 1 is lower. Furthermore, since the inlet 15 and outlet 16 of the building's outer wall 14 are horizontally lined up, the inlet duct 19 and the outlet duct 18 can be placed in the ceiling of a building without intersecting the outdoor unit. When installing the floor 11
The ducts 19 and 18 can be installed in a plane, avoiding the beams 12 of the ducts 19 and 18.

FIG. 4 shows another embodiment. In this embodiment, the blower 5 is mounted on the mounting plate 24 with the air outlet 5b facing the front.
is fixed to the front part inside the outer box 1 by the blower 5.
A planar U-shaped heat exchanger 4 surrounding the back and both sides is fixed within the outer box 1 by a mounting plate 24,
The machine room 7 is partitioned by a side plate 25, and an air passage 23 is formed around the outer periphery of the heat exchanger 4 inside the outer box 1. In the outdoor unit of this embodiment, the same effects as those of the embodiment shown in FIGS. 1 and 2 described above can be obtained, and since the heat exchanger 4 is large, the capacity can be increased.

FIG. 5 shows yet another embodiment. In this embodiment, the blower 5 is connected to the outer box 1, similar to the one shown in FIG.
The heat exchanger 4 covers both sides of the back side of the blower 5 and is divided into two at the center of the back side, and this part is formed by a side plate 25 having an inverted U-shape in plan view.
A machine room 7 is formed on the back side of the outer box 1 from the blower 5. In the outdoor unit of this embodiment, the same effects as those of the embodiment shown in FIGS. This has the effect of reducing the left and right width of the unit and making it more compact.

In addition, in Figures 4 and 5, Figures 1 and 2 are
The same reference numerals as in the figure indicate the same or corresponding parts.
The construction of the embodiment shown in FIGS. 1 and 5 other than those described above is the same as that shown in FIGS. 1 and 2.

〔Effect of the invention〕

As explained above, according to the present invention, the heat exchanger and the blower are provided on the same horizontal plane on the back side of the air outlet provided in the front of the outer box, so the height of the outer box can be reduced. This makes it easier to transport and install the device in spaces such as the ceiling of a building, especially in locations where height is restricted. Furthermore, according to the present invention, the air outlet and the suction ports arranged on both sides of the air outlet are arranged side by side, almost horizontally, on the front of the outer box, so that the suction duct and the outlet duct are separated by a three-dimensional intersection. The outdoor unit can be installed almost horizontally without being tilted, making the duct connection work easier and reducing wind pressure loss.Furthermore, since the wind pressure loss is reduced, the performance of the outdoor unit is improved.

[Brief explanation of the drawing]

Fig. 1 is a sectional plan view showing an outdoor unit of an air conditioner according to an embodiment of the present invention, Fig. 2 is a sectional side view of the same, and Fig. 3 shows how the outdoor unit according to the above embodiment is installed in a building. 4 and 5 are cross-sectional plan views showing outdoor units according to different embodiments of the present invention, FIG. 6 is a front view of a conventional outdoor unit, and FIG. 7 is a cross-sectional view of the same. A side view, FIG. 8 is a plan view showing how a conventional outdoor unit is installed in a building, and FIG. 9 is a sectional side view of the same. 1...Outdoor unit outer box, 2...Outside air intake port, 3...
Air outlet, 4...Heat exchanger, 5...Blower, 5
a...Suction port, 5b...Discharge port, 7...Machine room,
9... Outdoor unit, 23... Air path, 25... Side plate, 2
6... Compressor. Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims (1)

[Scope of Claims] 1. An air outlet and outside air suction ports arranged on both sides of the outlet are arranged side by side in a substantially horizontal manner on the front of the outer box of the outdoor unit, and the air outlet in the outer box The heat exchanger and the blower are installed on the same horizontal plane on the back side, and the air passage suction section connected to the above-mentioned suction port is installed on both sides of the heat exchanger and the blower inside the outer box. An outdoor unit of an air conditioner, characterized in that a partitioned machine room is provided, and a compressor and electrical parts are installed in the machine room. 2. The heat exchanger is arranged so as to surround the back and both sides of the blower installed in the front part of the outdoor unit outer box, and the machine room is partitioned by a side plate at the center in the width direction of the heat exchanger. The outdoor unit of the air conditioner according to claim 1, which is provided on the back side of the outer box from the blower.