JP7599095B2 - Outdoor unit - Google Patents

Description

This disclosure relates to an outdoor unit.

Patent Document 1 discloses an outdoor unit for an air conditioner. This outdoor unit includes a compressor and an accumulator that supplies gas refrigerant to the compressor.

JP 2014-114983 A

This disclosure provides an outdoor unit that can prevent condensation water that condenses in the accumulator from leaking out from the bottom plate.

The outdoor unit of the present disclosure comprises a bottom plate, an upwardly convex accumulator mounting base formed on the bottom plate, accumulator legs fixed to the accumulator mounting base, an accumulator mounted on the accumulator legs, and a horizontal plate portion provided substantially horizontally below the accumulator, and at least a portion of the horizontal plate portion extends outward beyond the accumulator legs in a plan view.

In the outdoor unit of the present disclosure, the condensed water that condenses in the accumulator is guided to the outside of the accumulator legs by the horizontal plate portion. This makes it easier to drain the condensed water that condenses in the accumulator, and prevents the condensed water from leaking out from the bottom plate.

FIG. 1 is a front view of an outdoor unit according to a first embodiment; FIG. 1 is a perspective view of an outdoor unit according to a first embodiment, seen from the left rear; FIG. 1 is a perspective view of an outdoor unit according to a first embodiment, viewed from below; FIG. 1 is a perspective view of a lower part of a machine room according to a first embodiment; FIG. 1 is a front perspective view of an accumulator leg according to a first embodiment of the present invention; FIG. 1 is a perspective view of the accumulator leg and its vicinity according to the first embodiment, viewed from the left rear; FIG. 1 is a perspective view of an accumulator leg according to a first embodiment; FIG. 1 is a perspective view of the vicinity of a rear portion of a mounting portion according to a first embodiment; FIG. 2 is a schematic diagram showing a positional relationship in a plan view near an accumulator according to the first embodiment;

(The knowledge and other information that formed the basis of this disclosure)
At the time when the inventors came up with the idea of the present disclosure, it was common for the outdoor unit of an air conditioner to be equipped with a compressor and an accumulator, and for the accumulator to supply gas refrigerant to the compressor. Under such circumstances, the inventors discovered that there was a problem in that condensed water that condenses in the accumulator leaks out from the bottom plate through a hole for fixing the accumulator to the bottom plate, and in order to solve this problem, they came up with the subject of the present disclosure.

Therefore, this disclosure provides an outdoor unit that can prevent condensation water that condenses in the accumulator from leaking out from the bottom plate.

Hereinafter, the embodiments will be described in detail with reference to the drawings. However, more detailed explanation than necessary may be omitted. For example, detailed explanation of already well-known matters or duplicate explanation of substantially the same configuration may be omitted. This is to avoid the following explanation becoming more redundant than necessary and to facilitate understanding by those skilled in the art.
It should be noted that the accompanying drawings and the following description are provided to enable those skilled in the art to fully understand the present disclosure, and are not intended to limit the subject matter described in the claims.

(Embodiment 1)
Hereinafter, the first embodiment will be described with reference to Figures 1 to 9. Note that the arrows marked with the symbols FR, UP, and LH in the figures correspond to the forward, upward, and left directions in the text, and the directions such as forward, backward, up, down, left, and right in the text are based on these unless otherwise specified. Also, for the sake of convenience of explanation, the illustration of components overlapping the main parts and parts that are more detailed than necessary may be omitted in the figures.

[1-1. Configuration]
Fig. 1 is a front view of an outdoor unit 1 according to embodiment 1. Fig. 2 is a perspective view of the outdoor unit 1 as viewed from the left rear.
The outdoor unit 1 is an outdoor unit that forms a refrigeration cycle circuit by being connected to an indoor unit (not shown) by refrigerant piping (not shown). The outdoor unit 1 is a wall-mounted outdoor unit that is mainly used by hanging it on the exterior wall of a building, and includes a roughly rectangular parallelepiped housing 10. As shown in Fig. 2, the inside of the housing 10 is divided into two parts, left and right, by a partition plate 11. This forms a blower chamber 30 located to the right of the partition plate 11 and a machine chamber 50 located to the left of the partition plate 11.

The blower chamber 30 is provided with a blower 31 and a heat exchanger 33 .
The blower 31 is an axial flow type blower, and is provided facing the air outlet 13a provided on the front surface 13 of the housing 10. When the blower 31 is driven, air outside the housing 10 is drawn into the blower chamber 30 through openings on the right side surface 14 and the rear surface 16 of the housing 10. The air drawn into the blower chamber 30 exchanges heat with the refrigerant inside the heat exchanger 33 as it passes through the heat exchanger 33. The air that has exchanged heat with the refrigerant inside the heat exchanger 33 is blown out from the air outlet 13a.
The heat exchanger 33 forms a refrigeration cycle circuit by being connected via refrigerant piping to a heat exchanger of an indoor unit (not shown), a compressor 51 provided in the machine room 50, an accumulator 53, etc. In the refrigeration cycle circuit, the heat exchanger 33 functions as a condenser when the indoor unit performs cooling operation, and as an evaporator when the indoor unit performs heating operation.

A compressor 51 and an accumulator 53 are provided in the machine room 50 .
The compressor 51 compresses the gas refrigerant and discharges it as a high-temperature, high-pressure gas refrigerant. The discharge side of the compressor 51 is connected to a four-way valve (not shown). The discharge side of the compressor 51 is connected to the heat exchanger 33 and the indoor heat exchanger via the four-way valve.
The accumulator 53 is connected to the suction side of the compressor 51, separates gas refrigerant from the gas-liquid mixed refrigerant, and supplies the separated gas refrigerant to the compressor 51. The accumulator 53 has a cylindrical shape and is disposed so that its axis is in the vertical direction.

A control board 40 is provided in the upper part of the machine room 50. The control board 40 is a board that controls devices provided in each part of the outdoor unit 1.
A duct (not shown) is formed above the partition plate 11, connecting the machine chamber 50 and the blower chamber 30. When the blower 31 is driven, the air in the machine chamber 50 cools the control board 40 and flows into the blower chamber 30 through the duct.

Figure 3 is a perspective view of the outdoor unit 1 as seen from below. The bottom of the housing 10 is covered with a bottom plate 15. The bottom plate 15 is a metal plate formed by die pressing and has a plurality of drain holes 15a penetrating therethrough. The drain holes 15a are circular holes penetrating the bottom plate 15 and are provided at the bottom of the bottom plate 15. When condensation occurs in the heat exchanger 33, the accumulator 53, etc. inside the housing 10, it is drained to the outside of the housing 10 through the drain holes 15a. When the outdoor unit 1 is used by mounting it on a wall, a drain hose (not shown) is connected to one of the drain holes 15a, and the condensation is drained through the drain hose. In this case, the outdoor unit 1 is used with the drain holes 15a to which the drain hose is not connected blocked.

4 is a perspective view of the lower part of the machine room 50. The lower part of the machine room 50 is covered from the left and rear by a wind guide plate 80 that is detachable from the bottom plate 15. The wind guide plate 80 is formed by bending a metal plate into an L-shape, and includes a first wall surface portion 81 and a second wall surface portion 83. The first wall surface portion 81 is a plate-like portion provided along the left side surface (first side surface) 18 of the housing 10. The second wall surface portion 83 is a plate-like portion formed by bending the first wall surface portion 81 approximately perpendicularly and along the back surface (second side surface) 16. The wind guide plate 80 is a part of the housing 10. The first wall surface portion 81 is a part of the left side surface 18, and the second wall surface portion 83 is a part of the back surface 16. The first wall surface portion 81 is provided with a slit hole 82 and a second slit hole 86. A piping cover 84 is provided on the second wall portion 83.

The slit holes 82 are holes for taking in air from outside the housing 10 into the machine chamber 50, and a plurality of slit holes 82 are arranged vertically. The slit holes 82 open to the left from the first wall surface portion 81, and are formed slanting from the bottom to the top from the outside to the inside of the housing 10.
The second slits 86 are smaller than the slits 82 in both width and height, and are formed in plurality above the slits 82 .
The piping cover 84 is a part of the second wall surface portion 83, and when removed, the machine room 50 communicates with the outside of the housing 10. The height of the accumulator legs 60 described later is set to a height that allows piping to pass through an opening formed when the piping cover 84 is removed, via below the accumulator 53. In addition, the plate member 70 described later is also provided approximately horizontally so that the piping does not interfere with the plate member 70 when the piping is passed through the opening formed when the piping cover 84 is removed. Therefore, in this embodiment, piping is possible in the machine room 50 from the opening formed when the piping cover 84 is removed.

The accumulator 53 is fixed to the accumulator mounting base 17 formed on the bottom plate 15 of the housing 10 via the accumulator legs 60. The accumulator mounting base 17 is a base formed so that the bottom plate 15, which is made of sheet metal, has an upwardly convex shape, and its top surface is approximately horizontal.

A plate member 70 is provided on the upper portion of the accumulator leg 60. The plate member 70 is fixed to the accumulator leg 60 and to a first wall surface portion 81 of the air guide plate 80 by screwing.
The plate member 70 includes a horizontal plate portion 71 which is a flat portion provided substantially horizontally, and a wind guide plate 80 connection portion 73 which rises from the left and is fixed to the left side surface 18 by screws. The plate member 70 fixes the accumulator leg 60 and the wind guide plate 80, thereby reinforcing the fixing of the accumulator 53 to the housing 10.
4, a width W1 in the front-rear direction of the horizontal plate portion 71 is larger than a width W2 in the front-rear direction of the slit hole 82. As will be described later, the plate member 70 blocks powder such as snow and dust from entering the machine room 50 through the slit hole 82.
In addition, although details will be described later, the horizontal plate portion 71 functions as a dew receiving plate that receives condensation water that condenses in the accumulator 53.

Fig. 5 is a perspective view of the accumulator leg 60 and its vicinity as viewed from the front. Fig. 5 shows an extension line L1 extending from the lowermost slit 82 in the inclined direction of the slit 82.
The horizontal plate portion 71 extends from the first wall surface portion 81 to the right of the position where the horizontal plate portion 71 intersects with the extension line L1. In other words, the left-right dimension S of the horizontal plate portion 71 is greater than the distance D between the left side surface 18 and the position where the plane including the horizontal plate portion 71 intersects with the extension line L1.
Therefore, air flowing into the machine room 50 through the lowermost slit hole 82 flows in the inclined direction of the slit hole 82 and hits the lower surface of the horizontal plate portion 71. Similarly, for multiple slit holes 82, air flowing into the machine room 50 through all of the slit holes 82 hits the horizontal plate portion 71.

Fig. 6 is a perspective view of the vicinity of the accumulator leg 60 as viewed from the left. Fig. 7 is a perspective view of the accumulator leg 60 alone. The accumulator leg 60 is formed by bending a metal plate, and is attached to the bottom surface of the accumulator 53 by welding.
The accumulator leg 60 includes a body portion 61 , a first bent portion 63 and a second bent portion 65 .

The main body 61 is a generally rectangular plate-like portion welded to a position that is covered by the accumulator 53 in a plan view, and is parallel to the front-rear and up-down directions. The first bent portion 63 is a plate-like portion bent leftward from the rear of the main body 61, and is parallel to the left-right and up-down directions. The second bent portion 65 is a plate-like portion bent leftward from the front of the main body 61, and is parallel to the left-right and up-down directions.

An attachment portion 67 is provided at the lower portion of the accumulator leg 60 so as to rise vertically in close contact with the accumulator mounting base 17 .
The mounting portion 67 includes a mounting portion main body 67 a which is the lower portion of the main body portion 61 , a mounting portion rear portion 67 b which is the lower portion of the first bent portion 63 , and a mounting portion front portion 67 c which is the lower portion of the second bent portion 65 .

The mounting body 67 a is flat, and the lower end thereof is in close contact with the accumulator mounting base 17 .
The lower end of the rear mounting portion 67b is in close contact with the accumulator mounting base 17 and extends to the left. The rear mounting portion 67b is provided with a protruding claw 64. The claw 64 is formed by bending horizontally rearward from the lower end of the rear mounting portion 67b. The accumulator leg 60 is positioned and fixed to the accumulator mounting base 17 by inserting the claw 64 into the underside of the accumulator mounting base 17 through a mounting hole 17a (described later).
The mounting portion front portion 67c extends to the left, with its lower end in close contact with the accumulator mounting base 17. The mounting portion front portion 67c includes a fixing portion 66 that is bent forward in the horizontal direction. The fixing portion 66 contacts the accumulator mounting base 17, and is fixed to the accumulator mounting base 17 by screws via fixing holes 66a.
In this way, the accumulator leg 60 is fixed at one location by inserting the claw 64, and at the other location by screwing. This allows the accumulator leg 60 to be easily positioned and fixed to the bottom plate 15, and is fixed with sufficient strength.

8 is an enlarged view of the vicinity of the rear mounting portion 67b. The rear mounting portion 67b is fixed to the accumulator mounting base 17 by inserting the claws 64 into the mounting holes 17a.
The mounting hole 17a is a hole penetrating the bottom plate 15, and opens horizontally forward from an upwardly convex covering portion 17b formed on the accumulator mounting base 17. When the claw 64 is inserted into the mounting hole 17a from the front, the rear surface of the mounting portion rear portion 67b and the edge of the mounting hole 17a are tightly fitted together without any gaps.
The covering portion 17b covers the claws 64 inserted into the mounting holes 17a from above. As a result, the horizontally bent claws 64 are contained within the convex covering portion 17b, and the claws 64 do not protrude below the bottom plate 15.

FIG. 9 is a schematic diagram showing the positional relationship of each part near the accumulator 53 in a plan view.
9, the mounting portion 67 is in the shape of a frame that is open on the left side in a plan view. The claws 64 are bent toward the outside of the mounting portion 67 in a plan view.

The horizontal plate portion 71 covers the open portion of the mounting portion 67 in a plan view from above, and extends to the outside of the mounting portion 67. Furthermore, the horizontal plate portion 71 extends in the front-rear direction to the outside of the accumulator mounting base 17, and is disposed with a gap D1 between it and the rear second wall surface portion 83. Note that the horizontal plate portion 71 only needs to extend outside the portion of the top surface of the accumulator mounting base 17 that is approximately horizontal.

[1-2. action, action]
The operation and function of the outdoor unit 1 configured as above will now be described.

[1-2-1. Operation when installing accumulator legs]
When the accumulator legs 60 are fixed to the accumulator mounting base 17, first, the claws 64 are inserted from the front to the rear into the mounting holes 17a. This brings the rear surface of the mounting portion rear part 67b into contact with the edge of the mounting holes 17a, and the accumulator legs 60 are positioned relative to the accumulator mounting base 17.

Next, the fixing portion 66 is pressed from above so that the fixing portion 66 comes into contact with the accumulator mounting base 17 , and the fixing holes 66 a are aligned vertically with screw fastening holes provided in the accumulator mounting base 17 .
Here, the fixing hole 66 a is screwed from above, whereby the fixing portion 66 and the accumulator mounting base 17 are fixed together.

In this state, the accumulator leg 60 is fixed to the accumulator mounting base 17 by inserting the claw 64 into the mounting hole 17a and screwing the fixing part 66 to the accumulator mounting base 17.

The accumulator legs 60 are therefore easily positioned on the accumulator mounting base 17. In addition, the accumulator legs 60 are fixed to the accumulator mounting base 17 by screwing them to the accumulator mounting base 17 at only one location.

[1-2-2. Operation of the outdoor unit when the air conditioner is in operation]
When an air conditioning apparatus including the outdoor unit 1 is in operation, the blower 31 provided in the blower chamber 30 in the outdoor unit 1 is driven. When the blower 31 is driven, air outside the housing 10 is taken into the blower chamber 30 from openings provided in the right side surface 14 and the back surface 16 of the housing 10. Here, the air taken into the blower chamber 30 exchanges heat with the heat exchanger 33, and the heat-exchanged outside air is blown out of the housing 10 from the air outlet 13a.

Similarly, as the blower 31 is driven, air outside the housing 10 flows into the machine room 50 through the slits 82. The air that flows into the machine room 50 cools the control board 40, and then flows into the blower room 30 through a duct provided at the top of the partition plate 11.

When air outside the housing 10 flows into the machine room 50 through the slit holes 82, the air flows upward from the outside to the inside of the housing 10 along the inclination direction of the slit holes 82. As described above, the width W1 of the horizontal plate portion 71 in the front-to-rear direction is greater than the width W2 of the slit holes 82. In addition, for all slit holes 82, the extension line extended in the inclination direction of the slit holes 82 intersects with the horizontal plate portion 71. Therefore, the air that flows into the machine room 50 through the slit holes 82 hits the underside of the horizontal plate portion 71. At this time, the air flow is bent horizontally along the underside of the horizontal plate portion 71, but the flow speed is not significantly reduced.

If the air flowing into the machine room 50 contains powder such as snow or dust, the powder has a high specific gravity and therefore collides with the underside of the horizontal plate 71 and falls. The bent air flow then passes through the gap D1 between the rear end of the horizontal plate 71 and the second wall portion 83, and in front of the horizontal plate 71.

Furthermore, the inflow of outside air through the slits 82 may cause droplets of condensation to form on the side surface of the accumulator 53. These droplets fall under their own weight and adhere to the upper surface of the accumulator mounting base 17 outside the mounting portions 67 of the accumulator legs 60.
Furthermore, the water droplets condensed on the side surface of the accumulator 53 also fall onto the upper surface of the horizontal plate portion 71 provided below the accumulator 53. The horizontal plate portion 71 extends to the outside of the mounting portion 67 in a plan view. Therefore, the water droplets adhering to the upper surface of the horizontal plate portion 71 fall onto the outside of the mounting portion 67.
In this way, the condensed water that has condensed in the accumulator 53 drips onto the outside of the mounting portion 67 of the accumulator leg 60. Therefore, the condensed water is less likely to accumulate inside the mounting portion 67.

Furthermore, a portion of the horizontal plate portion 71 extends to the outside of the accumulator mounting base 17. Therefore, some of the water droplets adhering to the upper surface of the horizontal plate portion 71 fall onto the bottom plate 15 on the outside of the accumulator mounting base 17. Therefore, condensed water is less likely to accumulate inside the mounting portion 67.

As described above, the claws 64 are bent outward from the mounting portion 67 and inserted into the mounting holes 17a, so that the outside of the mounting portion 67 and the edge of the mounting holes 17a are tightly attached without any gaps. Therefore, condensation on the outside of the mounting portion 67 is unlikely to leak out of the bottom plate 15 through the mounting holes 17a.

Condensation that drips onto the outside of the mounting portion 67 flows to the bottom of the bottom plate 15 and is drained through the drainage hole 15a.

[1-3. Effects, etc.]
As described above, in this embodiment, the outdoor unit 1 comprises a bottom plate 15, an accumulator mounting base 17 formed on the bottom plate 15 and having an upwardly convex shape, an accumulator leg 60 fixed to the accumulator mounting base 17, an accumulator 53 mounted on the accumulator leg, and a horizontal plate portion 71 provided in a substantially horizontal direction below the accumulator 53, and at least a portion of the horizontal plate portion 71 extends outward beyond the accumulator leg 60 in a plan view.
According to this configuration, condensed water that condenses on the accumulator 53 is received by the horizontal plate portion 71 and falls to the outside of the accumulator legs 60. Therefore, the condensed water from the accumulator 53 is easily drained and is less likely to leak from the bottom plate 15.

Additionally, the accumulator legs 60 are provided with claws 64 at their lower ends, and the accumulator mounting base 17 is provided with mounting holes 17 a into which the claws 64 are inserted on the underside of the accumulator mounting base 17 .
According to this configuration, by inserting the claws 64 into the mounting holes 17a, the accumulator legs 60 can be easily attached to the accumulator mounting base 17. Furthermore, the horizontal plate portions 71 cause the condensed water that condenses on the accumulator 53 to fall to the outside of the accumulator legs 60, and so the condensed water is less likely to leak from the mounting holes 17a to the underside of the bottom plate 15. Therefore, the number of steps in assembling the outdoor unit 1 can be reduced while preventing the condensed water that condenses on the accumulator 53 from leaking out from the bottom plate 15.

The accumulator leg 60 has an attachment portion 67 that contacts the accumulator mounting base 17, and the attachment portion 67 is frame-shaped with one side open in a planar view, and the claws 64 are provided at the lower end of the attachment portion 67 and are bent outward from the attachment portion 67 in a planar view.
According to this configuration, the claws 64 are bent outward from the mounting portion 67, so that the outer surface of the mounting portion 67 and the edge of the mounting hole 17a are in close contact with each other. Therefore, outside the mounting portion 67, it is possible to prevent condensation water from leaking out of the mounting hole 17a.

The mounting hole 17a opens substantially horizontally from an upwardly convex covering portion 17b formed on the accumulator mounting base 17, and the claw 64 is bent substantially horizontally and inserted below the covering portion 17b.
According to this configuration, the claws 64 are stored inside the covering portion 17b and do not protrude below the bottom plate 15. Therefore, the claws 64 are less likely to collide with buildings, etc., when the outdoor unit 1 is moved, etc. This makes it possible to suppress deformation of the claws 64.

Furthermore, at least a portion of the horizontal plate portion 71 extends to the outside of the accumulator mounting base 17 .
According to this configuration, the condensed water flowing down from the accumulator 53 is received by the horizontal plate portion 71 and falls to the outside of the accumulator mounting base 17. This makes it easier for the condensed water to be drained, and it is possible to prevent the condensed water from leaking out from the bottom plate 15.

Moreover, the outdoor unit 1 is a wall-mounted outdoor unit.
According to this configuration, the wall-mounted type can reduce the space required to install the outdoor unit 1. In addition, since the condensed water that condenses in the accumulator 53 is unlikely to leak out from the bottom plate 15, even if the outdoor unit 1 is installed at a high position as a wall-mounted type, it is possible to prevent the area below the outdoor unit 1 from getting wet.

Other Embodiments
As described above, the first embodiment has been described as an example of the technology disclosed in the present application. However, the technology in the present disclosure is not limited to this, and can be applied to embodiments in which modifications, substitutions, additions, omissions, etc. are made.
Therefore, other embodiments will be exemplified below.

In the first embodiment, the horizontal plate portion 71 is a substantially rectangular flat plate portion that is disposed substantially horizontally. The horizontal plate portion 71 may be any portion that allows the air that flows in from the slit holes 82 to flow horizontally. Therefore, the horizontal plate portion 71 is not limited to a substantially rectangular flat plate portion. For example, the horizontal plate portion 71 may be gently inclined downward from the center in the front-to-rear direction to the ends in the front-to-rear direction. In this case, the condensation water received by the horizontal plate portion 71 smoothly flows down from the horizontal plate portion 71.

The above-described embodiments are intended to illustrate the technology disclosed herein, and various modifications, substitutions, additions, omissions, etc. may be made within the scope of the claims or their equivalents.

This disclosure is applicable to outdoor units of air conditioners.

LIST OF SYMBOLS 1 Outdoor unit 10 Housing 11 Partition plate 13 Front surface 13a Air outlet 14 Right side surface 15 Bottom plate 15a Drain hole 16 Rear surface 17 Accumulator mounting base 17a Mounting hole 17b Covering portion 18 Left side surface 30 Fan chamber 31 Fan 33 Heat exchanger 40 Control board 50 Machine chamber 51 Compressor 53 Accumulator 60 Accumulator leg 61 Main body 63 First bent portion 64 Claw 65 Second bent portion 66 Fixing portion 66a Fixing hole 67 Mounting portion 67a Mounting portion main body 67b Rear mounting portion 67c Front mounting portion 70 Plate member 71 Horizontal plate portion 73 Air guide plate connection portion 80 Air guide plate 81 First wall portion 82 Slit hole 83 Second wall portion 84 Wiring cover portion 86 Second slit hole

Claims (6)

The bottom plate and
an accumulator mounting base having an upwardly convex shape formed on the bottom plate;
an accumulator leg fixed to the accumulator mounting base;
an accumulator mounted on the accumulator leg;
A horizontal plate portion provided substantially horizontally below the accumulator,
The outdoor unit, wherein at least a portion of the horizontal plate portion extends outward beyond the accumulator legs in a plan view. The accumulator leg has a protruding claw at a lower end,
The outdoor unit according to claim 1 , wherein the accumulator mounting base has mounting holes into which the claws are inserted on a lower surface side of the accumulator mounting base. The accumulator leg includes a mounting portion that contacts the accumulator mounting base,
The mounting portion has a frame shape that is open on one side in a plan view,
The outdoor unit according to claim 2 , wherein the claw is provided at a lower end of the mounting portion and is bent outwardly of the mounting portion in a plan view. The mounting hole opens in a substantially horizontal direction from an upwardly convex covering portion formed on the accumulator mounting base,
The outdoor unit according to claim 3 , wherein the claws are bent in a substantially horizontal direction and inserted below the covering portion. The outdoor unit according to any one of claims 1 to 4, wherein at least a portion of the horizontal plate portion extends to an outside of the accumulator mounting base. The outdoor unit according to any one of claims 1 to 5, which is a wall-mounted outdoor unit.

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