JPH06123445A - Air conditioner - Google Patents

Abstract

PURPOSE:To provide an air conditioner in which a rear surface of a main body is approached to a wall surface of an installing location for the air conditioner so as to reduce an installing space, a sufficient amount of sucked surrounding air from a suction port arranged in the main body is assured and a projecting space for bottom plate legs can be assured. CONSTITUTION:A rear surface of a main body 1 is installed near a wall surface (a) of an installing location S. A heat exchanger 4 and a blower facing against the heat exchanger 4 are arranged within the main body. The rear surface of the main body has a projection 3a projecting only at its central part and this projecting part and both sides of the projecting part are provided with suction ports 11 for heat exchanged air, respectively.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner in which an indoor unit and an outdoor unit are connected to each other through necessary pipes, and more particularly to an improvement of the outdoor unit.

[0002]

2. Description of the Related Art At present, an air conditioner often used for general households is divided into an indoor unit and an outdoor unit, and the units are connected by a refrigerant pipe or a power cable. . In particular, the outdoor unit side is conventionally configured as shown in FIGS. 8 (a) and 8 (b) and is installed outdoors.

As shown in FIG. 1A, it is formed in a substantially L shape in a plan view inside a unit main body 100 which is an air conditioner main body formed in a rectangular casing long in the width direction in a plan view. ,
The heat exchanger 101 is arranged so that each side portion is close to the side surface of the main body.

A main body 100 close to the heat exchanger 101
Is provided on each side surface of the main body 100, and outside air, which is heat exchange air, is introduced and guided into the main body 100 in accordance with the operation of a blower (not shown here) arranged in the main body 100. It has become.

A pair of bottom plate legs 103, 103 for mounting and fixing are provided at the bottom of the main body 100 on the rear side,
Anchor bolts partially embedded in the installation surface are inserted and fixed here.

In addition, the suction port 102 provided on the rear surface side of the main body 100 is not closed, and the outside air is reliably sucked in from here, so that the space between the rear surface side of the main body 100 and the wall surface a of the installation location S is fixed. , A gap is always secured.

As another configuration, as shown in FIG. 1B, the unit main body 11 formed in a rectangular casing shape in plan view.
0 is formed into a substantially U-shape in plan view, and each side is formed into a main body 110.
The heat exchanger 111 is arranged close to the side surface. A suction port 112 is provided on each side surface of the main body 110 close to the heat exchanger 111, and the outside air is introduced and guided into the main body 110 in accordance with the operation of the blower 113 arranged in the main body 110. .

A pair of bottom plate legs 103, 103 for installation and fixing are projectingly provided on the bottom of the main body 110 on the back side.
The anchor bolt is inserted and fixed there, and the suction port 112 provided on the back side of the main body 110 is not closed, so that the outside air can be reliably sucked from here.
Securing a gap between the rear surface side of 10 and the wall surface a of the installation location S is the same as that described above.

[0009]

Although any of the configurations has no problem in ensuring the function as the outdoor unit, the problem as the installation space of the main bodies 100 and 110, and the heat related to this. There is a problem with replacement efficiency.

That is, in both cases, in order to secure the amount of outside air suctioned from the suction ports 102, 112 provided along the wall surface a of the installation place and to obtain a space for projecting the bottom plate leg 103, the rear surface of the main body 100, 110 The side must not be too close to the wall surface a of the installation site.

On the other hand, if an excessively large gap is secured, the wall surface a to the main body 100, 11 may be actually installed.
0 The distance to the front increases, which leads to an increase in the installation space and is an obstacle.

Therefore, from the wall surface a of the installation place to the main body 1
The main body 10 while shortening the distance to the front of 00,110
Even if the back side of 0,110 is brought close to the wall surface a of the installation location, a sufficient amount of outside air is suctioned from the suction ports 102,112,
Moreover, it is ideal if a space for projecting the bottom plate leg 103 can be secured.

[0013] Recently, as the mainstream of the form of the outdoor unit, in order to reduce the installation area, it has a vertically elongated shape.
The one shown in FIG. 7B tends to be preferred. That is, the heat exchanger 111 having a substantially U shape in a plan view is used, and a blower and a compressor (not shown) are vertically arranged inside the heat exchanger 111. In this case, a packed valve 114, which is a pipe connector, is arranged on one side of the main body 110, and protrudes outside from this side surface.

The heat exchanger 111 has one side portion 11
While 1a has a sufficient length, the side portion 111b on the arrangement side of the packed valve 114 has to be formed short because the packed valve 114 is provided.

From this, it is hard to say that the heat exchanger 111 secures a sufficient heat exchange area, and the main body 110
There is a great demand for arranging a heat exchanger that can increase the heat exchange area without increasing the volume of the heat exchanger.

The present invention has been made in view of the above-mentioned circumstances, and the first object thereof is to bring the rear side of the air conditioner main body close to the wall surface of the installation place, and to perform air conditioning from the wall surface of the installation place. (EN) An air conditioner capable of securing a sufficient amount of outside air to be sucked from a suction port provided in a main body and a space for projecting a bottom plate leg while keeping a distance to a front surface of the main body as short as possible. Especially.

A second object is to use a heat exchanger having a U-shape in a plan view, and even if the pipe connector is arranged on one side of the main body, the heat of the pipe connector is reduced. One side part of the exchanger can be formed to have the same length as the other side part, and while keeping the distance from the wall surface of the installation location to the front of the air conditioner body as short as possible, An object of the present invention is to provide an air conditioner provided with a heat exchanger having a sufficient heat exchange area while ensuring intake of outside air from the side surface.

[0018]

In order to achieve the above object, a first aspect of the present invention is to install a rear side of an air conditioner main body close to a wall surface of an installation place, and to perform heat exchange in the air conditioner main body. And an air conditioner in which a blower is arranged facing the heat exchanger,

The rear side of the air conditioner main body has a protrusion projecting only in the central portion, and heat inlets for heat exchange air are provided on the protrusion and both sides of the protrusion, respectively. It is an air conditioner.

A second aspect of the present invention installs the rear side of the air conditioner main body close to the wall surface of the installation location, and installs the heat exchanger in the main body of the air conditioner and the blower facing the heat exchanger. In the arranged air conditioner,

In a plan view, the heat exchanger is bent in a U-shape in a plane and is composed of a pair of parallel side portions and a connecting side portion connecting one ends of the side portions to each other. The connecting side portions are arranged so as to face the back side of the air conditioner main body, and further, at the lowermost end of one side side portion of the heat exchanger, the pipe connecting tool attached to the bottom plate side portion of the air conditioner main body. The air conditioner is characterized in that a notched portion having a step is provided as a mounting space or the like.

[0022]

According to the first aspect of the present invention, the back side of the main body is brought close to the wall surface of the installation place, and the distance from the wall surface of the installation place to the front surface of the air conditioner main body is shortened as much as possible, and the suction port provided in the main body is used. A sufficient amount of outside air can be secured and a space for projecting the bottom plate leg can be secured.

A second aspect of the present invention can obtain a sufficient length of one side portion of the heat exchanger on the side of the pipe connector, similarly to the other side portion, and can provide air from the wall surface of the installation location. While keeping the distance to the front of the main body of the air conditioner as short as possible, it is possible to secure the intake of outside air from the side of the main body and a sufficient heat exchange area.

[0024]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings by applying it to an outdoor unit of an air conditioner. FIG. 3 shows a schematic configuration of the outdoor unit. A unit main body 1 which is an air conditioner main body includes a bottom plate 2, a side plate 3 mounted on the bottom plate 2, and a front plate (not shown).

The bottom plate 2 has a heat exchanger 4 which will be described later,
A soundproof box 6 having the front surface opened and housing the compressor 5 is disposed inside. Further, a support fitting 8 for supporting the blower 7 is mounted on the soundproof box 6. The front opening of the soundproof box 6
The front plate is closed so as to be openable and closable.

On the blow-out side of the blower 7, a blow-out guide plate 9 attached to the front plate is arranged so as to face it. Therefore, the heat exchanger 4 is arranged on the suction side of the blower 7.

The heat exchanger 4 is formed in a substantially U shape in a plan view. That is, it is composed of a pair of parallel side portions 4a and 4b and a connecting side portion 4c that connects one ends of these side portions 4a and 4b to each other. By each side part 4a, 4b, 4c,
The soundproof box 6 and the blower 7 are surrounded from three directions.

In particular, a cutout portion 8 having a stepped shape is provided at the lowermost end portion of the one side portion 4b. This is a packed valve 10 which is a pipe connector attached to one side surface of the bottom plate 2 and protruding from this side surface.
It is provided for the installation space of.

The side plate 3 constituting the unit body 1 is
It is as shown in FIGS. 1 and 2. The back side of the main body 1 has a protrusion 3a protruding only at the central portion thereof so as to follow the shape of the heat exchanger 4, that is, where both ends of the connecting side portion 4c are bent.

The both sides are slanted inclined surface portions 3b, 3b, and both sides of the inclined surface portions 3b, 3b are side end surface portions 3c, 3c parallel to the protrusion 3a. Here, the projection 3a, the inclined surface portions 3b, 3b and the both end surface portions 3c,
Each of the 3c is provided with a heat exchange air suction port 11 ...

Further, the suction ports 12, 13 are provided on both side surfaces of the side plate 3 at positions facing both side portions 4a, 4b of the heat exchanger 4.
Is provided. The lower portion of one side surface of the side plate 3 is cut out in accordance with the cutout portion 8 of the heat exchanger 4, and the packed valve 10 projects.

Such a main body 1 is installed as close as possible to the wall surface a of the installation place S. That is, a pair of bottom plate legs 14 and 14 are provided on the rear surface side of the bottom plate 2 so as to project toward the wall surface a of the installation location S.

Here, the mounting positions of the bottom plate legs 14 and 14 are selected so as to face both end surface portions 3c and 3c of the side plate 3, and are fixed by anchor bolts (not shown).

Even if the tips of the bottom plate legs 14 and 14 are brought into contact with the wall surface a of the installation site, there is still a gap between the projection 4c and the wall surface a, and the suction port 11 provided here is
There is no hindrance to the intake of outside air.

In other words, the main body 1 is provided with the protrusions 3a and is brought closer to the wall surface a of the installation place, and even if the front side is retracted, the protrusions located at the positions along the wall surface a of the main body 1. 3a
With the suction ports 11 provided in each of the inclined surface portions 3b and 3b and the side end surface portions 3c and 3c, a sufficient amount of outside air can be secured, and the heat exchange efficiency of the heat exchanger 4 can be sufficiently maintained. Therefore, the installation space can be reduced.

Since the bottom plate leg 14 is provided opposite to both end face portions 3c, 3c, which is a portion other than the protruding portion 3a, the protruding length is completely the same as that of the conventional one and the work of the anchor bolt is performed. There is no obstacle in space.

Further, since the lowermost end portion of the one side portion 4b of the heat exchanger 4 is the stepped notch 8,
It can be used as a mounting space for the packed valve 10 on the bottom plate 2. As a result, the packed valve 10 does not project from the main body, which improves the appearance. Further, the cutout portion 8 also becomes a necessary space for inserting a refrigerant pipe or the like connected to the heat exchanger 4 or the compressor 5.

In the side portion 4b on one side of the heat exchanger 4, the portion other than the cutout portion 8 projects to the front side, and can be made the same length as the other side portion 4a. As a result, the heat exchange area is further expanded as compared with the conventional heat exchanger, and the heat exchange efficiency can be improved.

Although not shown here, one side portion 4b
A U-shaped portion that constitutes the heat exchange pipe projects from the end surface of and the end surface of the cutout portion 8, and a U bend projects from the end surface of the other side portion. That is, in manufacturing the heat exchanger 4 having such a configuration, the manufacturability such as brazing required can be maintained as usual. The position of the suction ports 11 provided on the back side of the main body 1 and the bottom plate leg 1
The positions of 4, 14 may be changed as described below.

As shown in FIG. 4, on the rear surface side of the main body 1, only the protrusion 3a and the inclined surface portions 3b, 3b are provided with the suction port 1 only.
1 is provided. Here, the side end surface portion 3c is not provided with a suction port, but it is equivalent to the above-mentioned embodiment that a sufficient amount of outside air can be secured.

Also, the bottom plate leg 14 has the inclined surface portion 3b.
Is provided so as to project from a position facing the. Also in this case, a working space for the anchor bolt can be secured, and the protrusion 3a and the wall surface a
The distance between and is maintained, and there is no hindrance to the suction of outside air from the suction port 11 of the protrusion 3a.

In the above embodiment, the inclined surface portion 3b and the side end surface portion 3c parallel to the protruding portion 3a are provided on both sides of the protruding portion 3a.
However, the present invention is not limited to this.
It may be formed as shown in (a) to (d). Figure 5
In the case of (a), the protrusion 3a and the side end surface portion 3c are connected by the orthogonal surface portion 3d provided in the direction orthogonal to these. In the case of FIG. 3B, both end portions of the protruding portion 3a are extended while being curved and are connected to the side surface portion. This curved portion 3e
Also, a suction port 11 is provided. In the case of FIG. 7C, the inclined portion 3f is extended from the protruding portion 3a, and there is no side end portion as described above. The suction port 11 is also provided in the inclined portion 3f. In the case of FIG. 3D, both side ends of the protrusion 3a are bent portions 3g bent in a waveform, and the suction port 11 is provided. Further, what is common to these structures is that the bottom plate legs 14 are provided at positions corresponding to both sides of the protrusion 3a.

In the above embodiment, the heat exchanger 4
In the above description, a U-shaped one is applied, but the present invention is not limited to this, and a heat exchanger as shown in FIGS. 6 (a) and 6 (b) may be used.

The heat exchanger 4A shown in FIG. 6 (a) has a deformed shape which is between a U-shape and an L-shape in a plan view, and a protrusion 3a is provided on the back side of the main body 1A. The provision is similar to that described above. The portion of the heat exchanger 4A that faces the R-shaped portion is also an R-shaped bent portion 3h.

The heat exchanger 4B shown in FIG. 7B is formed in an almost L shape in a plan view, and in this case as well, the main body 1B still has the protrusion 3a. And
A portion facing the R-shaped portion of the heat exchanger 4B is an inclined portion 3i here.

As described above, the compressor 5 is mounted and fixed to the bottom plate 2 and is housed in the soundproof box 6 having an open front surface. The blower 7 is supported on the upper part of the soundproof box 6. A support fitting 8 is mounted.

For example, when the service of the compressor 5 needs to be replaced, the front opening of the soundproof box 6 is simply opened, and the soundproof box 6 and the support fitting 8 of the blower 7 are left as they are. If the compressor 5 can be removed and another compressor can be attached and fixed, the workability will be very good.

Therefore, as shown in FIG. 7A, the mounting legs 15 of the compressor 5 are attached to the support bolts 16 which are planted in the bottom plate 2.
The mounting leg 15 is formed as shown in FIG. 1B or FIG. 1C on the assumption that the mounting leg 15 is mounted and fixed via the elastic member 17.

That is, in the structure shown in FIG. 7B, the mounting hole 18 through which the support bolt 16 is inserted and the mounting leg 15 are inserted.
Notch 1 in which an end edge is cut out along a central axis orthogonal to each other
Connect at 9. In the configuration shown in FIG. 2C, the mounting hole 1
8 and the end of the mounting leg 15 communicate with each other through a notch 20 that is cut along the tangential direction of the mounting hole 18.

In any of the configurations, the mounting holes 18 of the mounting legs 15 are attached to and detached from the support bolts 16 by rotating the mounting legs 15 together with the compressor 5 in the horizontal direction and the notches 19 and 20. Can be done through.

That is, unlike the case where the mounting leg 15 is simply provided with a mounting hole having a round hole, the compressor 5 can be attached / detached to / from the soundproof box 6 having an opening on the front side by the operation of rotating the compressor 5 in the horizontal direction. become. From this, even if other members are arranged immediately above the compressor 5, these members can be operated as they are.

[0052]

As described above, according to the first aspect of the present invention, the rear side of the air conditioner main body has the projecting portion projecting only in the central portion thereof. Therefore, the rear side of the main body should be close to the wall surface of the installation place. In addition to reducing the installation space by shortening the distance from the wall surface of the installation location to the front of the air conditioner body as much as possible, it is possible to improve the heat exchange efficiency by securing a sufficient amount of outside air to be sucked in through the suction port. In addition, the space for projecting the bottom plate leg is secured, and the installation workability can be improved.

A second aspect of the present invention is the lowermost end of one side of a heat exchanger that is bent in a U-shape in a plane and has a connecting side facing the back side of the main body of the air conditioner. In addition, since the stepped shape notch is provided, one side part of the heat exchanger is not affected by the pipe connection tool on one side of the main body,
As with the other side part, it is possible to obtain a sufficient length, and while keeping the distance from the wall surface of the installation location to the front of the air conditioner main body as short as possible, while ensuring the intake of outside air from the side of the main body. It is possible to provide a heat exchanger that secures a sufficient heat exchange area.

[Brief description of drawings]

FIG. 1 is a cross-sectional plan view of an outdoor unit, which is an air conditioner body, in which a part of the outdoor unit is omitted, showing an embodiment of the present invention.

FIG. 2 is a perspective view of the unit main body of the embodiment as viewed from the back side.

FIG. 3 is an exploded perspective view of the outdoor unit of the embodiment, in which a part of the outdoor unit is omitted.

FIG. 4 is a cross-sectional plan view of the outdoor unit according to another embodiment of the present invention with a part of the outdoor unit omitted.

5 (a) to (d) are cross-sectional plan views of a part of the unit main body showing different embodiments.

6 (a) and 6 (b) are schematic cross-sectional plan views of an outdoor unit showing different embodiments.

FIG. 7A is a view for explaining a compressor support structure showing another embodiment of the present invention. (B) And (c) is a top view of a compressor mounting leg which shows a mutually different Example.

FIG. 8A is a schematic cross-sectional plan view of an outdoor unit showing a conventional example of the present invention. (B) is a schematic cross-sectional top view of an outdoor unit which shows a further different prior art example.

[Explanation of symbols]

S ... Installation location, a ... Wall surface, 1 ... Air conditioner body (unit body), 4 ... Heat exchanger, 7 ... Blower, 4a, 4b ...
Sides, 4c ... Connection sides, 3a ... Projection, 11 ... Suction port,
10 ... Piping connection (packed valve), 8 ... Notch.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kenshi Okuda 336 Tatehara, Fuji City, Shizuoka Prefecture Toshiba Fuji Co., Ltd. (72) Inventor Toru Yamaguchi 336 Tatehara Fuji City, Shizuoka Toshiba A & B Co., Ltd. (72) Inventor Hiroyuki Mori, 336 Tatehara, Fuji City, Shizuoka Prefecture, Toshiba Toshiba Corporation

Claims (2)

[Claims] 1. An air conditioner main body whose back side is installed near a wall surface of an installation site, a heat exchanger arranged in the air conditioner main body, and a heat exchanger arranged opposite to the heat exchanger. In an air conditioner equipped with a blower that conducts and guides heat exchange air, a rear side of the air conditioner body has a protrusion projecting only at a central portion thereof, and the protrusion and both side portions of the protrusion, Each air conditioner is equipped with a suction port for heat exchange air. 2. An air conditioner main body whose rear side is installed close to the wall surface of the installation site, a heat exchanger arranged in the air conditioner main body, and a heat exchanger arranged so as to face the heat exchanger. In an air conditioner including a blower that conducts and guides exchanged air, the heat exchanger has a pair of parallel side portions and a connecting side portion that connects one ends of these side portions to each other in plan view. Which is bent in a U-shape in a plane, and the connecting side portion is arranged so as to face the back side of the air conditioner main body, and the lowermost end portion of one side portion of the heat exchanger is
An air conditioner characterized in that a cutout portion having a stepped shape is provided as a mounting space for a pipe connector attached to a bottom plate side portion of an air conditioner body.