JP2003106568A - Outdoor motor of air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an outdoor unit of an air conditioner furnished with a piping space capable of drawing out a connecting piping to the rear of a casing in the inside of the casing, capable of improving capacity of a product while restraining enlargement of the casing. SOLUTION: A cutout S to pass the connecting piping 8a, 8b from closing valves 7a, 7b to an indoor unit is formed on a lower end part 3L of a heat exchanger 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outdoor unit for an air conditioner, and more particularly to the structure of a heat exchanger installed inside a casing.

[0002]

2. Description of the Related Art Conventionally, in a so-called separate type air conditioner, an outdoor unit is, for example, Japanese Patent Laid-Open No. 2000-1.
As described in Japanese Patent No. 61716, the insides of the rectangular parallelepiped casings are adjacent to each other with a partition plate therebetween.
It is divided into two spaces. A heat exchanger and a fan are arranged in one space, and this space is configured as a heat exchange space (fan chamber). Further, in the other space, various parts such as a compressor, a refrigerant pipe, and a control device connected to the refrigerant pipe are arranged, and this space is configured as a machine room. The parts placed in the machine room include
A shut-off valve for connecting the communication pipe to the indoor unit is also included.

As shown in FIG. 13, an outdoor unit (100) for an air conditioner of this type has a connecting pipe (102) connected to a closing valve (101) in a casing in consideration of workability during installation. (Ten
In contrast to 3), it is generally constructed so that it can be pulled out in four directions: forward, backward, lateral, and downward. Of these, the backward pipe drawer shown by the solid line (hereinafter referred to as the rear drawer) has a good appearance after installation, and is therefore often used in on-site piping.

In order to pull out the connecting pipe (102) rearward, the connecting pipe (102) is placed inside the casing (103) of the outdoor unit (100).
A space is needed to pass through. This space is generally a casing (103), as shown in FIG. 14 which is a plan view showing the arrangement of devices in the casing (102) and FIG. 15 which is a perspective view showing a part of the outdoor unit (100). It is provided at one side end (right side in the figure) of the inside. This space (1
04), the heat exchanger (105) is arranged such that the right edge is located further inward than the right side plate (103a) of the casing (103), and there is no piping space inside the casing (103). Is secured. From the above, in the conventional outdoor unit (100), the size of the casing (103) is different from that of the heat exchanger (105).
Needs to be slightly smaller in size.

[0005]

By the way, for example, when the size of the heat exchanger (105) is increased in order to improve the capacity of the product, the size of the casing (103) is further increased by the above-mentioned piping space (104). Need to be bigger. Therefore, the piping space (10
In the outdoor unit (100) equipped with 4) between the side edge of the heat exchanger (105) and the side plate (103a) of the casing (103), the capacity of the product can be reduced while suppressing the size increase of the casing (103). Was difficult to raise.

The present invention was made in view of the above problems, and an object of the present invention is to provide an outdoor unit of an air conditioner having a pipe space in which a rearward drawable space is provided in a casing. It is to be able to enhance the performance of the product while suppressing the upsizing of the casing.

[0007]

The present invention provides a heat exchanger (3)
By forming a notch (S) as a space for pulling out the connecting pipes (8a, 8b) to the rear, the side edge of the heat exchanger (3) and the side plate (26) of the casing (2) are formed. The gaps between them can be made smaller, so that the heat exchanger (3) can be made larger without changing the size of the casing (2).

More specifically, the first solution provided by the present invention is to close the heat exchanger (3) and the connecting pipes (8a, 8b) to the indoor unit in the casing (2). It is premised on the outdoor unit of the air conditioner equipped with the valves (7a, 7b).

And, this outdoor unit has the above heat exchanger (3).
Notch for passing the above-mentioned connecting pipe (8a, 8b) at the end of
It is characterized by the formation of (S).

The second solution provided by the present invention is as follows.
The first solution is characterized in that the notch (S) is formed in the lower end portion (3L) of the heat exchanger (3).

In the first and second solving means,
If the connection pipes (8a, 8b) from the shutoff valves (7a, 7b) to the indoor unit are to be pulled out backward, use the notches (S) provided at the lower end (3L) of the heat exchanger (3). Street, pulled out of the casing (2). In other words, in this configuration, there is no space between the side plate (26) of the casing (2) and the side edge (3b) of the heat exchanger (3) to pass the communication pipes (8a, 8b). You may

The third means for solving the problems of the present invention is as follows.
In the second solution, the notch of the heat exchanger (3)
(S) is one side edge (3b) in the left-right direction of the heat exchanger (3)
It is characterized in that it is formed on the side.

A fourth means for solving the problems of the present invention is
In the third means for solving the above, the heat exchanger (3) has a portion (3) above the lower end (3L) where the notch (S) is formed.
U), the central part (3) along the back plate (27) of the casing (2)
c) and left and right side edges (3a, 3b) along the left and right side plates (25, 26) of the casing (2) and connected to the central portion (3a). In this case, the upper portion (3U) is formed in a substantially "U" shape, and the lower end portion (3U) is formed.
L) is formed in a substantially "L" shape by cutting out one side edge portion (3b).

In the third and fourth solving means, the connecting pipes (8a, 8b) are notches (S) formed in one side edge portion (3b) in the left-right direction of the heat exchanger (3). It can be pulled through to the rear of the casing (2). In this case, the heat exchanger (3) has a portion above the lower end (3L) from the notch (S) to the side plate (2) of the casing (2).
The shape projects toward 6). For this reason, a gap as a piping space is formed between the casing (2) and the heat exchanger (3) only at the lower end portion (3L) of the heat exchanger (3), and a portion (3U) above it is formed. In the casing
The side plate (26) of (2) and the side edge (3b) of the heat exchanger (3) can be arranged close to each other.

This is specified by the fifth solving means of the present invention. The solving means is the side edge of the heat exchanger (3) in any one of the above first to fourth solving means. Part (3b)
And the side plate (26) of the casing (2) are arranged close to each other.

The sixth means for solving the problems of the present invention is as follows.
In the means for solving any one of the above first to fifth means, the lower end portion (3L) of the heat exchanger (3) in which the notch (S) is formed
Is formed separately from the portion (3U) above the lower end portion (3L), and the lower end portion (3L) is fixed to the upper portion (3U).

Furthermore, a seventh solution means of the present invention is the lower end of the heat exchanger (3) in which the notch (S) is formed in the solution means of any one of the first to fifth methods. It is characterized in that the portion (3L) is integrally formed with a portion (3U) above the lower end portion (3L).

[0018]

EFFECTS OF THE INVENTION According to the first and second means for solving the problems, in the lower end portion (3L) of the heat exchanger (3), etc., the connecting pipe (8a, 8a, 8b) has a notch (S) through which a space of a certain width is provided between the side plate (26) of the casing (2) and the side edge (3b) of the heat exchanger (3). Even if the connection pipes (8a, 8b) to the indoor unit are not provided in the space, the communication pipes (8a, 8b) can be pulled out rearward through the notches (S). For this reason, the side plate (26) of the casing (2) and the side edge portion (3b) of the heat exchanger (3) can be arranged close to each other as in the case of the fifth means for solving the problems described above. In comparison, the size of the heat exchanger (3) can be increased without increasing the size of the casing (2), which in turn can improve the product performance.

Further, according to the third and fourth solving means, the notch (S) at the lower end portion (3L) of the heat exchanger (3) has one of the left and right directions of the heat exchanger (3). Since the heat exchanger (3) is formed on the side edge portion (3b), the size can be increased while the heat exchanger (3) has a simple shape. Further, by using the heat exchanger (3) having such a simple shape, it is possible to easily realize a configuration in which the connecting pipes (8a, 8b) are pulled out rearward.

Further, according to the sixth solution means, the lower end portion (3L) in which the notch (S) is formed is the lower end portion (3L).
Heater formed separately from the upper part (3U)
By using (3) and combining the upper and lower parts (3U, 3L), the heat exchanger (3) can be easily made into an arbitrary shape, and rear drawing can be easily realized according to the configuration of the outdoor unit. it can. Further, similar to each of the above solving means, the casing (2)
The capacity can be improved by enlarging the heat exchanger (3) while suppressing the increase in size.

Further, according to the seventh solving means, the lower end portion (3L) in which the notch (S) is formed is the lower end portion (3L).
Heat exchanger formed integrally with the part above (L)
By using (3), it is possible to suppress an increase in the number of manufacturing processes as compared with the case where the upper and lower parts (3U, 3L) are fixed by combining separate parts. Further, similarly to each of the above solving means, it is possible to increase the capacity of the heat exchanger (3) while suppressing the size of the casing (2) from increasing.

[0022]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below in detail with reference to the drawings. The present embodiment relates to an outdoor unit (1) of a separate type air conditioner.

FIG. 1 shows the external shape of this outdoor unit (1). (A) is a front view, (b) is a plan view, (c) is a left side view, (d) is a right side view, e) is a rear view. As shown in the figure, a suction port (21) is provided on the back side of the casing (2), and an air outlet (22) is provided on the front side. A top plate (23) is provided at the upper end of the casing (2). The top plate (23) is fixed to the upper ends of the front plate (24), the left and right side plates (25, 26) and the back plate (27) of the casing (2) by a plurality of bolts (not shown).

2 to 4 each show a schematic device arrangement structure in the outdoor unit (1). FIG. 2 is a front view, FIG. 3 is a plan view, and FIG. 4 is a right side view. In these figures, the outdoor unit
Both (1) and the outer shape of each device inside are represented by solid lines to simplify the display.

As shown in the figure, in the casing (2) of the outdoor unit (1), an outdoor heat exchanger (3), a blower (4), a compressor (5), a receiver (6), and a closing valve. (Gas side stop valve (7a)
Also, devices such as a liquid side closing valve (7b)) and an electric expansion valve (not shown) are arranged.

The outdoor heat exchanger (3) is a plate fin coil type air heat exchanger, although its detailed structure is not shown.
It is fixed to the casing (2). The outdoor heat exchanger (3)
As shown in FIG. 3, the plan view is formed in a substantially U-shape. This heat exchanger (3) is generally
(3a) is along the left side plate (25) of the casing (2) and the right side edge (3b) is along the right side plate (26) of the casing (2).
(3c) is formed along the back plate (27) of the casing (2). Further, in the heat exchanger (3), the depth dimension of the right side edge portion (3b) is formed to be shorter than the depth dimension of the left side edge portion (3a) when viewed from a plane.

FIG. 5 is a perspective view showing a schematic shape of the outdoor heat exchanger (3). In this figure, plate fins and tubes are not shown. This outdoor heat exchanger (3)
Is configured such that the lower end (hereinafter referred to as the heat exchange lower end (3L)) is separated from the portion above the heat exchange lower end (3L) (hereinafter referred to as the heat exchange upper part (3U)). There is. The heat exchange lower end portion (3L) is formed in a substantially "L" shape in plan view. That is,
The heat exchanger lower end portion (3L) does not have a portion corresponding to the right edge portion (3b) of the heat exchanger upper portion (3U), and the width dimension (W2) is the heat exchanger upper portion (3U).
Is formed shorter than the width dimension (W1) of the. Therefore, when the entire outdoor heat exchanger (3) is assembled from the upper part (3U) of the heat exchanger and the lower end (3L) of the heat exchanger, the corner at the lower right end of the outdoor heat exchanger (3) is cut. It is lacking (S). This notch (S) is the connecting pipe (8) from the shutoff valve (7a, 7b) to the indoor unit.
It is provided as a component of a space for passing through.

At the right end of the outdoor heat exchanger (3),
As shown in FIG. 3, a tube sheet (31) formed in a so-called channel (groove member) shape is fixed. The tube sheet (31)
Extends along the vertical direction. A partition plate (28) is fixed to the tube plate (31) and the front plate (24) of the casing.

The partition plate (28) extends almost entirely from the upper end to the lower end of the casing (2), and is located on the lower right side (the right front side in FIG. 2) in the casing (2) in FIG. A relatively narrow space is divided into corners. The partition plate (28) is
A flat plate portion (28a) formed with about half the width of the side plate (26) so that it is located parallel to the side plate (26) from the front plate (24) of the casing (2) to the back plate (27) side. , The curved plate portion (28b) connected to the rear end of the flat plate portion (28a), and the middle portion of the curved plate portion (28b) is curved in a convex shape toward the back plate (27) side. . In this partition plate (28), the front end of the flat plate part (28a) is connected to the front plate (24) of the casing (2), and the right end of the curved plate part (28b) is the right side of the outdoor heat exchanger (3). It is fixed to the tube plate (31) at the edge (3b). That is, the right end of the curved plate portion (28b) is located closer to the side plate (26) of the casing (2) than the front end of the flat plate portion (28a).

As described above, the inside of the casing (2) is divided into two large and small spaces (2a, 2a) which are adjacent to each other with the partition plate (28) interposed therebetween.
It is divided into b). Above outdoor heat exchanger (3) and blower
(4) is arranged in the larger space (2a) located from the left side to the rear side of the partition plate (28) in FIG.
a) is a heat exchange space (fan chamber) between the refrigerant flowing in the heat transfer tube of the outdoor heat exchanger (3) and the outdoor air. Suction port (21) and outlet provided in the casing (2)
(22) is arranged so as to communicate with this heat exchange space (2a). Further, the compressor (5), the receiver (6), the closing valve (7a, 7b), and the equipment such as the electric expansion valve, the partition plate (28)
Is arranged in the smaller space (2b) on the right side or the front side of the space (2b), and this space (2b) is configured as a machine room.

Here, the partition plate (28) will be further described. 6 is a perspective view of the partition plate (28), FIG. 7 is a front view, and FIG. 8 is a plan view. The partition plate (28) is
A bent portion (28c) is provided between a) and the curved plate portion (28b). The bent portion (28c) of the partition plate (28) is
It is composed of a thin portion that is continuous in the vertical direction of 8).
This thin portion is formed by pressing the plate material at the same time to reduce the wall thickness when the plate material is pressed to form the partition plate (28). The partition plate (28) has a bent portion (28c) extending straight as shown in Fig. 8 before being assembled to the outdoor unit (1), and the flat plate portion (28a) has the front end on the left front side in the figure. It is tilted toward you.

When the partition plate (28) is attached to the outdoor unit (1),
First, with the bent portion (28c) straight, the right end of the bent plate portion (28b) is attached to the tube plate (31) of the outdoor heat exchanger (3). In this state, the flat plate portion (28a) is inclined with respect to the side plate (26) of the casing (2), and is located near the fan chamber (2a). At this time, the blower (4) is not yet attached to the outdoor unit (1), and the blower (4) and the partition plate (28) do not interfere with each other. Further, the machine room (2b) is in a wide state, and the working space (2c) such as piping work performed on the machine room (2b) side is sufficiently large. Therefore, the work can be easily performed.

After working on the machine room (2b) side, the partition plate (28) is bent by bending the bending portion (28c).
The shape changes so that the flat plate portion (28a) becomes parallel to the side plate (26) as shown in FIG. Then, when the blower (4) is installed and the front plate (24) is attached to the casing (2), the partition plate (28) is fixed to the front plate (24).

On the other hand, two blowers (4) are arranged side by side vertically in the heat exchange space. Each blower (4) includes a fan motor (42) fixed to a fan motor base (41) and a propeller fan (43) fixed to an output shaft of the fan motor (42). Fan motor stand
(41) is a blower at the center on the front side of the outdoor heat exchanger (3).
It is provided as a vertically long structural member that supports (4).

The compressor (5), receiver (6) and shutoff valve (7)
a, 7b) are fixed to the casing (2) on the machine room side using a fixing member (not shown). Although not shown, the electric expansion valve is connected to the path of the refrigerant pipe and is arranged at a predetermined position. Gas side closing valve (7a) and liquid side closing valve (7) for connecting the communication pipes (8a, 8b) (see FIG. 9)
As shown in FIGS. 2 to 4, b) is arranged on the front side of the machine room (2b) slightly lower than the center, and the machine room (2b)
2 is located at the right end of FIG. Each stop valve (7a,
7b) is closed until the installation is completed, and the inside of the refrigerant pipe on the outdoor unit (1) side is kept clean.

Gas side connecting pipe (8a) connected to the gas side closing valve (7a) and liquid side connecting pipe connected to the liquid side closing valve (7b)
Each of the (8b) is bent rearward near the bottom plate of the casing (2) as shown in FIG. 9, and passes through the space at the lower end corner of the outdoor heat exchanger (3) to the casing (2).
Have been pulled out.

In the upper space inside the casing (2), as shown by phantom lines in FIGS. 2 and 3, a switch box (10) is provided.
Are arranged. The switch box (10) is composed of a plastic box-shaped case having an open top. A printed wiring board (not shown) is fixed to the switch box (10), various electronic components are mounted on the printed wiring, and each device in the casing (2) is leaded. It is electrically connected via an electric wiring such as a wire.

As shown in FIG. 10, the switch box (10) has a left end portion supported by a switch box support portion (11) constructed by using a fan motor base (41). Although not shown in FIG. 10, the right end of the switch box (10) is supported from below by the partition plate (28).

The switch box supporting portion (11) includes a rear side supporting portion (11a) for supporting a rear side portion of the casing (2) in the switch box (10) and a front surface of the casing (2) in the switch box (10). It is composed of a front side support portion (11b) for supporting the side portion. Rear support (11a)
Is integrally formed with the fan motor base (41) at the upper end of the fan motor base (41). Further, the front surface side support portion (11b) is configured to be detachable from the front surface of the fan motor base (41). The front support (11b) is the fan motor base.
It is attached to (41) with several screws (fastening members) (11c) that can be attached and detached from the front side, and the fan motor base (4
It is integrated with 1).

On the other hand, the front plate (24) of the casing (2) is divided into a fan chamber front plate (24a) covering the fan chamber (2a) and a machine chamber front plate (24b) covering the machine chamber (2b). The partition plate (28) is connected to the machine room front plate (24b). Fan room front plate (24a)
The left side plate (25) and the left side plate (25) are conventionally configured by one integrated part, but in this embodiment, these members (24a, 25) are separate members, and the fan chamber front plate ( 24a) is independently configured to be detachable from the casing (2).

Specifically, as shown in FIG. 11 and FIG. 12, the fan chamber front plate (2) whose left end edge is slightly bent
4a) is detachably connected to the left side plate (25) at its bent portion. Convex part (29a) on the fan chamber front plate (24a)
On the other hand, the left side plate (25) is provided with a concave portion (29b) formed so that the convex portion (29a) is engaged. By these convex portions (29a) and concave portions (29b), the fan chamber front plate (2
4a) and the left side plate (25) are attached and detached by a detachment mechanism (29a, 29a
b) is configured. Also, the fan chamber front plate (24a) is
The casing (2) is configured to be fastened to the casing (2) from several points by a screw (fastening member) (not shown) except at the left side edge portion where the convex portion (29a) as the attaching / detaching mechanism is provided.

-Installation work of the outdoor unit-In the present embodiment, when installing the air conditioner,
First, the outdoor unit (1) and an indoor unit (not shown) are installed at predetermined positions. At this time, the outdoor unit (1) has completed the installation of each device such as the heat exchanger (3), the blower (4) and the compressor (5) and the piping inside the unit, but the connecting pipe to the indoor unit
(8a, 8b) are unconnected. In the casing (2), the machine room (2b) is open with the right side plate (26) and the machine room front plate (24b) not attached.

When the pipe is pulled out rearward, as shown in FIG. 9, the connecting pipes (8a, 8b) are connected to the closing valves (7a, 7b) and the connecting pipes (8a, 8b) are connected to the outdoor heat. Pull it out of the casing (2) through the notch (S) in the lower right corner of the exchanger (3). Then, by connecting the communication pipes (8a, 8b) to the indoor unit, a closed circuit in which the refrigerant circulates is formed with the indoor unit. On the other hand, when this piping work is completed and the wiring work between the switch box and each device is also completed, the right side plate (27) and machine room front plate (24b) are attached to the casing (2), and installation work is performed. Complete.

-Effects of the embodiment-According to the present embodiment, the connecting pipes (8a, 8b) from the closing valves (7a, 7b) to the indoor units are provided at the lower end portion on the right side of the outdoor heat exchanger (3). Since the notch (S) for passing through is formed, it becomes possible to pull out the connecting pipes (8a, 8b) to the rear of the casing (2) through the notch (S). Also the casing
Provide a space of a specified width between the side plate (26) of (2) and the right edge portion (3b) of the outdoor heat exchanger (3), and pass the connecting pipes (8a, 8b) to the indoor unit through the space. Since it does not need to be provided, the right edge portion (3b) of the outdoor heat exchanger (3) can be arranged close to the side plate (26) of the casing (2). Therefore, it is possible to increase the size of the heat exchanger (3) without increasing the size of the casing (2) as compared with the conventional case, so that it is possible to improve the product capability without increasing the size of the device. it can. In particular, since the right end edge portion (3b) of the heat exchanger (3) is extended to the front plate (24) side of the casing (2), the heat exchanger (3) can be made space-efficient and large-sized.

Further, the cutout (S) of the outdoor heat exchanger (3)
However, since it is formed at the side end (the right end in the embodiment) of the heat exchanger lower end portion (3L), the outdoor heat exchanger (3) has a heat exchanger upper portion (3U).
Has a simple shape that extends over the side plate side of the casing (2) rather than the lower end portion (3L) of the heat exchanger. For this reason, for example, notches
Rather than installing (S) in the center of the lower end of the heat exchanger (3), etc.
The size of the heat exchanger (3) can be increased with a simple shape.

[0046]

Other Embodiments of the Invention The present invention may have the following configurations in the above embodiments.

For example, in the above embodiment, the notch (S)
The heat exchanger lower part (3L) formed with is formed separately from the heat exchanger upper part (3U), and these are fixed to each other in the outdoor heat exchanger (3).
However, even if the outdoor heat exchanger (3) in which the heat exchange lower end portion (3L) is integrally formed with the heat exchange upper portion (3U) is used,
The capacity of the heat exchanger (3) can be increased by increasing the size of the heat exchanger (3) while suppressing the size of the casing (2) from increasing.
Further, in the case where the heat exchange upper part (3U) and the heat exchange lower end part (3L) are integrally formed, the number of manufacturing steps can be reduced as compared with the case of combining separate ones, and the heat exchange is performed as in the above embodiment. When the upper part of the heat exchanger (3U) and the lower end of the heat exchanger (3L) are separately combined, the heat exchanger (3) can be easily formed into an arbitrary shape.

[Brief description of drawings]

1A and 1B are external views of an outdoor unit of an air conditioner according to an embodiment of the present invention, in which FIG. 1A is a front view and FIG. 1B is a plan view.
(C) is a left side view, (d) is a right side view, and (e) is a rear view.

FIG. 2 is a front view showing a schematic device arrangement in a casing in the outdoor unit of FIG.

FIG. 3 is a plan view showing a schematic device arrangement in a casing in the outdoor unit of FIG. 1.

FIG. 4 is a right side view showing a schematic device arrangement in a casing in the outdoor unit of FIG. 1.

FIG. 5 is a perspective view showing a schematic shape of an outdoor heat exchanger.

FIG. 6 is a perspective view of a partition plate.

FIG. 7 is a front view of a partition plate.

FIG. 8 is a plan view of a partition plate.

FIG. 9 is a perspective view showing a part of an outdoor unit in which a connecting pipe is pulled out rearward.

FIG. 10 is a perspective view showing a switch box support portion above the fan motor base.

FIG. 11 is a perspective view showing a state in which a fan chamber front plate and a left side plate of the casing are connected to each other.

FIG. 12 is a perspective view showing a state where a fan chamber front plate and a left side plate of the casing are disassembled.

FIG. 13 is a perspective view showing a connecting direction of a connecting pipe in an outdoor unit of a conventional air conditioner.

FIG. 14 is a layout diagram showing a positional relationship between a heat exchanger and a connecting pipe in a conventional outdoor unit.

FIG. 15 is a partial perspective view showing a state in which the connecting pipe is pulled out rearward.

[Explanation of symbols]

(1) Outdoor unit (2) Casing (2a) Heat exchange space (fan room) (2b) Machine room (3) Outdoor heat exchanger (3a) Left edge (3b) Right edge (3c) Central part (3L) Lower end of heat exchange (3U) Heat exchange upper part (4) Blower (5) Compressor (6) Receiver (7a) Gas side stop valve (7b) Liquid side closing valve (8a) Gas side communication piping (8b) Liquid side connection pipe (10) Switch box (11) Switch box support (11a) Rear support (11b) Front support (12) Screw (fastening member) (21) Suction port (22) Outlet (23) Top plate (24) Front plate (24a) Fan room front plate (24b) Machine room front plate (25) Left side plate (26) Right side plate (27) Back plate (28) Partition board (28a) Flat plate part (28b) Curved plate part (28c) Bent part (29a) Convex part (detachment mechanism) (29b) Recess (detachment mechanism) (31) Tube sheet (41) Fan motor stand (42) Fan motor (43) Propeller fan (S) Notch

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Yoko Maki             1304 Kanaoka-cho, Sakai City, Osaka Prefecture Daikin Industries             Sakai Plant Kanaoka Factory (72) Inventor Naohiro Kawasaki             1304 Kanaoka-cho, Sakai City, Osaka Prefecture Daikin Industries             Sakai Plant Kanaoka Factory F-term (reference) 3L054 BC02

Claims (7)

[Claims] 1. A heat exchanger (3) in a casing (2),
Shut-off valves (7a, 7a) to which the connecting pipes (8a, 8b) to the indoor unit are connected
b) An outdoor unit of an air conditioner equipped with and a notch (S) for passing the connecting pipes (8a, 8b) formed at the end of the heat exchanger (3). An outdoor unit for an air conditioner, which is characterized in that 2. The notch (S) is the lower end of the heat exchanger (3).
The outdoor unit for an air conditioner according to claim 1, wherein the outdoor unit is formed in (3 L). 3. The notch (S) of the heat exchanger (3) is formed on one side edge portion (3b) side of the heat exchanger (3) in the left-right direction. Item 2. The outdoor unit of the air conditioner according to Item 2. 4. The heat exchanger (3) has a portion (3U) above the lower end (3L) where the notch (S) is formed along the back plate (27) of the casing (2). Central part (3c) and casing (2)
The left and right side edge portions (3a, 3b) along the left and right side plates (25, 26) and connected to the central portion (3a) are provided. Outdoor unit. 5. The side edge (3b) of the heat exchanger (3) and the casing.
The outdoor unit for an air conditioner according to any one of claims 1 to 4, wherein the side plate (26) of (2) is disposed in close proximity to the side plate (26). 6. The heat exchanger (3) is a portion in which a lower end portion (3L) in which a notch (S) is formed is located above the lower end portion (3L).
(3U) is formed separately, and the lower end (3L) is the upper part
It is fixed to (3U).
The outdoor unit of the air conditioner according to any one of 1. 7. The heat exchanger (3) is such that a lower end portion (3L) formed with a notch (S) is located above the lower end portion (3L).
(1) It is formed integrally with (3U).
The outdoor unit of the air conditioner according to any one of 1 to 5.