JP2013076517A - Outdoor unit of air conditioning apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve workability of maintenance, or the like of internal equipment in an outdoor unit of an upper blasting type in which a heat exchanger is provided to face four side faces of an outdoor unit body.SOLUTION: The outdoor unit includes the outdoor unit body 5 having a square plane shape, the heat exchanger 13 provided to face four side faces of the outdoor unit body 5, and an air blower 23 that is provided at an upper part of the outdoor unit body 5 and blasts out air suctioned from side faces of the outdoor unit body 5 upward, and at a corner part 5A in a planar view of the outdoor unit body 5, an equipment arrangement region R for which equipment including at least compressor 11 is arranged is provided, and an opening 36 formed between one side end part 32a and the other side end part 35a of the heat exchanger 13 is arranged at the corner part 5A in the outdoor unit body 5.

Description

  The present invention relates to an outdoor unit for an air conditioner.

  In the following Patent Document 1, a heat exchanger is provided to face the four side surfaces of a quadrangular outdoor unit body, and by operating a blower fan provided at the top of the outdoor unit body, An upper blowing type outdoor unit in which air sucked from four side surfaces is blown out from the upper surface of the outdoor unit main body is disclosed. Further, in this type of outdoor unit, an internal device such as a compressor is usually disposed at a substantially central portion of the bottom frame of the outdoor unit body.

  On the other hand, Patent Document 2 below also discloses an outdoor unit in which a heat exchanger is disposed facing four side surfaces of an outdoor unit body, as in Patent Document 1. This outdoor unit is provided with a heat exchange chamber in which a heat exchanger is arranged at the upper part of the outdoor unit body, and a machine room in which a compressor, electrical components, etc. are arranged at the lower part of the outdoor unit body. The chamber is partitioned up and down by partition walls.

Japanese Utility Model Publication No. 60-18767 JP-A-2005-98625

  In the outdoor unit of Patent Document 1, since the entire periphery of a device such as a compressor disposed on the bottom frame is surrounded by a heat exchanger, it is difficult to maintain or replace the device. Moreover, in the outdoor unit of Patent Document 1, an opening is formed between one side end and one side end of the heat exchanger, which is one corner of the outdoor unit main body. Since this opening is a connection space for piping, it has only a small opening width, and it was practically impossible to use it for maintenance and replacement of equipment on the bottom frame.

  On the other hand, in the outdoor unit of Patent Document 2, since the heat exchange chamber and the machine room are partitioned by a partition wall, it is possible to improve workability such as maintenance for the internal device compared to the outdoor unit of Patent Document 1. It is. However, since the machine room is arranged on the lower side of the outdoor unit main body, work such as maintenance must be performed in a low posture, and there is a limit to improving workability in this respect.

  The present invention has been made in view of the above circumstances, and in an upward blowing type outdoor unit provided with a heat exchanger facing the four side surfaces of the outdoor unit main body, workability such as maintenance of internal equipment is provided. The main purpose is to provide an outdoor unit with improved performance.

(1) The outdoor unit main body having a quadrangular planar shape, a heat exchanger provided facing the four side surfaces of the outdoor unit main body, and a side surface inside the outdoor unit main body provided at the upper part of the outdoor unit main body. An air conditioner outdoor unit comprising: a blower that blows out the air sucked in from above,
In one corner portion in plan view of the outdoor unit main body, a device placement area for placing a device including at least a compressor is provided,
An opening formed between one side end and the other side end of the heat exchanger is arranged at the corner of the outdoor unit main body.

  According to this configuration, since the device arrangement area is provided at one corner of the outdoor unit main body, the distance from the outside of the outdoor unit main body to the device arranged in the device arrangement area is reduced, and the corner is Work such as maintenance on the equipment in the equipment placement area can be easily performed through the placed opening.

(2) The device arrangement area is one virtual section passing through one side end of the heat exchanger parallel to one of the two side surfaces of the outdoor unit main body at the corner and in plan view. It is preferable that it is set in a rectangular area in a plan view surrounded by a line and another virtual partition line that is parallel to the other side surface and passes through the other side end of the heat exchanger.
With such a configuration, a sufficiently wide device arrangement area can be set inside the outdoor unit main body.

(3) It is preferable that the opening has an opening width that allows the compressor to be taken in and out of the device arrangement area.
With such a configuration, it is possible to easily perform maintenance work and replacement work for the compressor through the opening.

(4) It is preferable that the opening has an opening width adapted to a width of an electrical component unit arranged in the device arrangement area.
With such a configuration, the electrical component unit can be attached in accordance with the opening, and the operability with respect to the electrical component unit can be improved.

(5) A column that is a structural member of the outdoor unit main body is erected at the corner of the outdoor unit main body, and the electric component is formed by the column and a side end of the heat exchanger adjacent to the column. It is preferable that both sides of the product unit are supported.
With such a configuration, the electrical component unit can be attached using the support column and the side end portion of the heat exchanger.

(6) A cover member for covering the heat transfer tube protruding from the side end portion is provided at the side end portion of the heat exchanger, and one side portion of the electrical component unit is supported by the cover member. Preferably it is.
By providing such a cover member, it is possible to prevent the condensed water generated in the heat transfer tube from touching the electrical component unit.

  (7) A partition wall is constructed between one side end portion and the other side end portion of the heat exchanger, and a machine room provided in the device arrangement region by the partition wall, and the heat exchanger It is preferable that the heat exchange chamber is partitioned in the horizontal direction, and the heat exchange chamber is formed in a range extending from the lower part to the upper part of the outdoor unit main body.

  According to this configuration, since the heat exchange chamber is formed in a wide range from the lower part to the upper part of the outdoor unit main body, it is possible to sufficiently ensure the air circulation area of the heat exchanger. Therefore, it is not necessary to enlarge the width of the outdoor unit in the front-rear direction or the left-right direction in order to secure the air circulation area of the heat exchanger, and the outdoor unit can be made compact, and even in a small space, the outdoor unit The machine can be installed. In addition, the machine room can be formed in a wide range in the vertical direction of the outdoor unit body, so that equipment with high frequency of operation and maintenance is arranged on the upper side of the machine room to improve these workability. Can do. Also, since the interior of the outdoor unit body is partitioned into a heat exchange chamber and a machine room by a partition wall, the equipment in the machine room does not disturb the air flow in the heat exchange chamber and makes it easy to control the air flow. be able to.

  ADVANTAGE OF THE INVENTION According to this invention, workability | operativity, such as a maintenance of an internal apparatus, can be improved in the upper blowing type outdoor unit provided with the heat exchanger facing the four side surfaces of the outdoor unit body.

It is a schematic diagram which shows the refrigerant circuit of the air conditioning apparatus which has the outdoor unit which concerns on embodiment of this invention. It is a perspective view which shows the external appearance of an outdoor unit. It is a top view inside an outdoor unit. It is a schematic perspective view which shows the state which removed the side panel and bellmouth of the outdoor unit. It is the perspective view which looked at the partition wall of the outdoor unit from the heat exchange chamber side. It is a top view which shows the partition wall of an outdoor unit.

Drawing 1 is a mimetic diagram showing the refrigerant circuit of the air harmony device which has the outdoor unit concerning the embodiment of the invention.
The air conditioner 1 is a multi-type air conditioner for buildings, for example, and a refrigerant circuit so that a plurality of indoor units 3 are connected in parallel to one or a plurality of outdoor units 2 so that refrigerant can flow. 10 is formed.

  The outdoor unit 2 is provided with a compressor 11, a four-way switching valve 12, an outdoor heat exchanger 13, an outdoor expansion valve 14, a blower 23, and the like. The indoor unit 3 is provided with an indoor expansion valve 15, an indoor heat exchanger 16, and the like. The four-way switching valve 12 and the indoor heat exchanger 16 are connected by a gas side refrigerant communication pipe 17a, and the outdoor expansion valve 14 and the indoor expansion valve 15 are connected by a liquid side refrigerant communication pipe 17b. A gas side shut-off valve 18 and a liquid side shut-off valve 19 are provided at a terminal portion of the internal refrigerant circuit of the outdoor unit 2. The gas side closing valve 18 is arranged on the four-way switching valve 12 side, and the liquid side closing valve 19 is arranged on the outdoor expansion valve 14 side. A gas side refrigerant communication pipe 17 a is connected to the gas side shutoff valve 18, and a liquid side refrigerant communication pipe 17 b is connected to the liquid side shutoff valve 19.

  In the air conditioner 1 having the above-described configuration, when the cooling operation is performed, the four-way switching valve 12 is held in a state indicated by a solid line in FIG. The high-temperature and high-pressure gaseous refrigerant discharged from the compressor 11 flows into the outdoor heat exchanger 13 through the four-way switching valve 12 and is condensed and liquefied by exchanging heat with the outdoor air by the operation of the blower 23. The liquefied refrigerant passes through the fully-expanded outdoor expansion valve 14 and flows into each indoor unit 3 through the liquid side refrigerant communication pipe 17b. In the indoor unit 3, the refrigerant is decompressed to a predetermined low pressure by the indoor expansion valve 15, and further evaporates by exchanging heat with indoor air in the indoor heat exchanger 16. The room air cooled by the evaporation of the refrigerant is blown into the room by an indoor fan (not shown) to cool the room. The refrigerant evaporated and vaporized in the indoor heat exchanger 16 returns to the outdoor unit 2 through the gas-side refrigerant communication pipe 17 a and is sucked into the compressor 11.

  On the other hand, when the heating operation is performed, the four-way switching valve 12 is held in a state indicated by a broken line in FIG. The high-temperature and high-pressure gaseous refrigerant discharged from the compressor 11 flows into the indoor heat exchanger 16 of each indoor unit 3 through the four-way switching valve 12, and exchanges heat with indoor air to condense and liquefy. The indoor air heated by the condensation of the refrigerant is blown into the room by an indoor fan to heat the room. The refrigerant liquefied in the indoor heat exchanger 16 returns from the fully opened indoor expansion valve 15 to the outdoor unit 2 through the liquid side refrigerant communication pipe 17b. The refrigerant that has returned to the outdoor unit 2 is decompressed to a predetermined low pressure by the outdoor expansion valve 14, and further evaporates by exchanging heat with outdoor air in the outdoor heat exchanger 13. The refrigerant evaporated and evaporated in the outdoor heat exchanger 13 is sucked into the compressor 11 through the four-way switching valve 12.

  2 is a perspective view showing an appearance of the outdoor unit 2, FIG. 3 is a plan view of the interior of the outdoor unit 2, and FIG. 4 is a perspective view showing a state in which the side panel 29 and the bell mouth 30 of the outdoor unit 2 are removed. It is. The outdoor unit 2 of the present embodiment includes an outdoor unit main body (casing) 5 and a refrigerant circuit 10 such as an outdoor heat exchanger 13, a compressor 11, and a four-way switching valve 12 incorporated in the outdoor unit main body 5 (see FIG. 1) and a blower 23 provided on the upper part of the outdoor unit body 5.

  The outdoor unit main body 5 is formed in a substantially rectangular parallelepiped shape, and includes a bottom frame 26, a support column 27, a cross beam 28, a side panel 29, and the like. As shown in FIG. 3, the bottom frame 26 is formed in a quadrangular shape in plan view. In addition, leg portions 26a (see FIG. 2) that are in contact with the ground are provided on two opposite sides of the bottom frame 26 of the present embodiment. The support column 27 is formed of a long member having a substantially L-shaped cross section and long in the vertical direction, and is attached to four corners of the bottom frame 26. As shown in FIG. 4, the upper ends of the two support columns 27 on the front side and the upper ends of the two support columns 27 on the rear side are respectively connected by horizontal beams 28. A bell mouth 30 (see FIG. 2) surrounding the blower 23 is attached to the upper end portion of the support column 27 and the horizontal beam 28. The bell mouth 30 is formed in a rectangular shape substantially the same as the bottom frame 26 in plan view. Further, a support base 31 including a pair of support members 37 is installed on the front and rear horizontal beams 28, and leg portions 23 b of the motor 23 a of the blower 23 are attached to the support base 31.

  The outdoor heat exchanger 13 is of a cross fin coil type, and the heat transfer tube horizontally penetrates a large number of aluminum fins, and heat exchange is performed between the refrigerant flowing through the heat transfer tube and the air flowing through the outdoor heat exchanger 13. Is configured to do. As shown in FIG. 3, the outdoor heat exchanger 13 faces (corresponds to) the four side surfaces in a range excluding one corner 5 </ b> A of the outdoor unit body 5, and has a substantially rectangular shape along the four side surfaces. Is bent. Specifically, the outdoor heat exchanger 13 includes a front heat exchange unit 32 along the front side surface (front surface) of the outdoor unit body 5, a left heat exchange unit 33 along the left side surface, and a rear side surface (rear surface). And a right heat exchanging portion 35 along the right side surface. 90 between the front heat exchange unit 32 and the left heat exchange unit 33, between the left heat exchange unit 33 and the rear heat exchange unit 34, and between the rear heat exchange unit 34 and the right heat exchange unit 35. Is bent at a degree. In addition, each heat exchange part 32-35 of the outdoor heat exchanger 13 does not necessarily need to oppose in parallel with respect to the side surface of the outdoor unit main body 5, and may oppose it in the inclined state. Further, in this specification, the side surface of the outdoor unit body 5 is defined by a substantial side surface facing outward, for example, a lattice-like frame or panel that covers a side panel 29 described later or the outer surface of the outdoor heat exchanger 13. If the side panel 29 or the like is not provided, it may be defined by a virtual surface obtained by extending the four sides of the bottom frame 26 as they are.

  There is an opening between the right end portion (one side end portion in the outdoor heat exchanger 13) 32a of the front heat exchange portion 32 and the front end portion (the other side end portion) 35a of the right heat exchange portion 35. A portion 36 is provided. In the present embodiment, the opening 36 is divided into two by a support column 27 arranged on the right front side. In the following description, the opening 36 arranged on the front surface of the outdoor unit 2 is referred to as the front opening. It is referred to as 36A, and the opening 36 disposed on the right side surface is referred to as a right opening 36B.

  Moreover, the outdoor unit main body 5 is provided between one side end 32a of the outdoor heat exchanger 13 and the support 27, and between the support 27 and the other side end 35a of the outdoor heat exchanger 13, respectively. A side panel 29 is detachably provided, and the front opening 36A and the right opening 36B are closed by the side panel 29, respectively. Although not shown, a lattice-like frame or panel capable of air flow may be attached to a portion of the side surface of the outdoor unit body 5 where the outdoor heat exchanger 13 is disposed.

  In order to arrange devices such as the compressor 11, the four-way switching valve 12, the shut-off valves 18, 19 and the electrical component unit 38 in one corner 5A of the outdoor unit body 5 where the outdoor heat exchanger 13 is not arranged. Device arrangement area R is set. The equipment arrangement region R includes a virtual lane marking α1 that extends rearward from the right end 32a of the front heat exchanger 32 in the outdoor heat exchanger 13 and a virtual lane marking that extends leftward from the front end 35a of the right heat exchanger 35. It is set to a range of a square in plan view surrounded by α2 and the two side surfaces (two side panels 29) of the outdoor unit main body 5 arranged at the corner 5A. In the device arrangement region R, a machine room 39 that is partitioned in a horizontal direction from the heat exchange chamber 41 by a partition wall 40 is provided.

  In the machine room 39, the compressor 11 is fixed on the bottom frame 26 with bolts or the like. Further, the shut-off valves 18 and 19 are supported by a support member 45 attached to the right front column 27. The electrical component unit 38 includes a control board for the entire outdoor unit 2, a control board (inverter board) for the compressor 11, and the like. In FIG. 4, only the compressor 11, the support member 45, and the electrical component unit 38 among the devices in the machine room 39 are shown, and the others are omitted.

  The partition wall 40 is provided between one side end 32 a and the other side end 35 a of the outdoor heat exchanger 13, and is provided across the height of the outdoor unit body 5 in the vertical direction. Specifically, the partition wall 40 includes a side wall 40a extending rearward from the right end 32a of the front heat exchanger 32 in the outdoor heat exchanger 13 and a front end of the right heat exchanger 35 in the outdoor heat exchanger 13. And a rear wall portion 40b extending leftward from 35a. Further, the rear wall portion 40b has a portion (inclined wall portion) 40c that is slightly inclined forward in the connection portion with the side wall portion 40a. Further, an upper wall portion 40d (see FIG. 5) is provided at the upper end portion of the partition wall 40, and this upper wall portion 40d prevents rain and the like from entering the machine room 39 from the upper part of the outdoor unit body 5. Has been.

  As shown in FIG. 3, the front opening 36 </ b> A formed between one side end 32 a of the outdoor heat exchanger 13 and the support column 27 has a predetermined width W. Specifically, the width W of the front opening 36 </ b> A is formed to be larger than the width of the device arranged in the machine room 39, particularly the compressor 11. Therefore, by removing the side panel 29 that closes the front opening 36A, the compressor 11 can be taken in and out of the machine chamber 39 from the front opening 36A. Therefore, replacement and maintenance of the compressor 11 can be easily performed. Furthermore, since the machine room 39 is provided at one corner 5A of the outdoor unit body 5, the distance from the outside of the outdoor unit body 5 to the equipment in the machine room 39 is reduced, and the equipment in the machine room 39 is reduced. Can be easily maintained.

  As shown in FIGS. 3 and 4, the support member 45 that supports the shut-off valves 18 and 19 is formed of a substantially rectangular plate material, and one horizontal side portion thereof is cantilevered with respect to the support column 27. Is attached. Therefore, a space is formed below the support member 45, and it is possible to perform operations such as maintenance on the equipment in the machine room 39 using this space. Further, as shown in FIG. 3, the support member 45 is disposed obliquely (approximately 45 °) with respect to the front surface of the outdoor unit body 5 in which the front opening 36 </ b> A is formed. Therefore, the width in the left-right direction when the support member 45 is viewed from the front side can be made as small as possible, and the support member 45 obstructs work such as maintenance performed through the front opening 36A. Can be prevented.

  The width W of the front opening 36A is formed so as to match the width of the electrical component unit 38 including the control base of the outdoor unit 2, and the electrical component unit 38 is attached to the front opening 36A. Yes. Specifically, both end portions in the width direction of the electrical component unit 38 are attached to the one side end portion 32 a and the column 27 of the outdoor heat exchanger 13 located on both side edges of the front opening portion 36 </ b> A via mounting brackets 46. ing. Therefore, the electrical component unit 38 can be suitably attached to the machine room 39 using the side end portion 32 a of the outdoor heat exchanger 13 and the support column 27.

  The machine room 39 is provided in a wide range extending in the vertical direction of the outdoor unit body 5. Therefore, operability and maintainability can be improved by arranging a device with high frequency of operation and maintenance, such as the electrical component unit 38, at a relatively high position in the machine room 39.

  In the above description, the width W of the front opening 36A is formed so as to allow the compressor 11 to be taken in and out, and the electrical component unit 38 is attached to the front opening 36A, but the width of the right opening 36B is The dimensions may be such that the compressor 11 can be taken in and out, and the electrical component unit 38 may be attached to the right opening 36B. Moreover, operation and maintenance of the equipment in the machine room 39 can also be performed through the right opening 36B.

  A heat transfer tube 13a that curves in a U-shape protrudes from one side end 32a of the outdoor heat exchanger 13. And the cover member 47 which covers this heat exchanger tube 13a is provided in the side end part 32a of the outdoor heat exchanger 13. As shown in FIG. The cover member 47 is formed in a U-shaped cross section so as to surround the heat transfer tube 13a from the front and rear and from the side. The cover member 47 is provided over the entire height in the vertical direction of the outdoor heat exchanger 13, and a lower end portion thereof is fixed to the bottom frame 26 and an upper end portion thereof is fixed to the lateral beam 28 on the front side. . The cover member 47 covers the heat transfer tube 13a protruding from the outdoor heat exchanger 13, thereby preventing moisture such as condensed water generated in the heat transfer tube 13a from adhering to components in the machine chamber 39. Yes.

  In particular, in the present embodiment, one side in the width direction of the electrical component unit 38 is attached to the outer surface of the cover member 47, and thereby moisture such as condensed water generated in the heat transfer tube 13 a is supplied to the electrical component unit 38. Adhesion can be suitably prevented. The cover member 47 also functions as a column of the outdoor unit body 5 by being provided over the vertical direction of the outdoor unit body 5, and constitutes a structural member of the outdoor unit body 5 together with the four columns 27, The strength of the machine body 5 is increased.

  As shown in FIG. 2, the outdoor unit 2 according to the present embodiment sucks air from four sides except for the side panel 29 of the outdoor unit body 5 by operating the blower 23, and passes through the outdoor heat exchanger 13. Then, the air is blown upward from the upper surface of the outdoor unit main body 5. Since the heat exchange chamber 41 partitioned by the partition wall 40 (FIG. 3) is formed over the entire height in the vertical direction of the outdoor unit main body 5, it is necessary to ensure a wide air flow area in the outdoor heat exchanger 13. It is possible to improve the heat exchange efficiency. Therefore, in order to secure the air circulation area in the outdoor heat exchanger 13, the width of the outdoor unit body 5 in the front-rear direction or the left-right direction need not be increased, and the outdoor unit 2 can be made compact.

  Further, since the heat exchange chamber 41 is partitioned by the partition wall 40, the air flow is not disturbed by the equipment in the machine chamber 39, the air flow can be easily controlled, and the wind Noise such as sound can be reduced. Further, both end portions of the partition wall 40 are connected in a state of being in close contact (sealed state) with the side end portions 32 a and 35 a of the outdoor heat exchanger 13. Specifically, one end of the partition wall 40 is connected in close contact with the cover member 47, and the other end is connected in close contact with the tube plate 35 a 1 at the other side end 35 a of the outdoor heat exchanger 13. ing.

  Therefore, the air flowing into the heat exchange chamber 41 from the side surface of the outdoor heat exchanger 13 hardly leaks to the machine chamber 39 side, and the outside air does not pass through the outdoor heat exchanger 13, and the machine room The heat exchange chamber 41 is hardly entered from the 39 side. Therefore, the heat exchange efficiency in the outdoor heat exchanger 13 can be increased. In addition, since moisture such as condensed water generated in the heat exchange chamber 41 is difficult to enter the machine room 39, the electrical component unit 38 can be disposed in the machine room 39 without being accommodated in the electrical component box. It becomes. Therefore, the number of parts can be reduced and the cost can be reduced, and the heat dissipation of the electrical component unit 38 can be improved as compared with the case where the electrical component unit 38 is housed in the electrical component box.

FIG. 5 is a perspective view of the partition wall 40 of the outdoor unit 2 as viewed from the heat exchange chamber 41 side, and FIG. 6 is a plan view showing the partition wall 40 of the outdoor unit 2.
The outdoor unit body 5 of the present embodiment is divided so that the upper side of the plane range of the heat exchange chamber 41 is wider, and the plane range of the machine room 39 is relatively narrower toward the upper side of the outdoor unit body 5. A wall 40 is formed. Specifically, a recess 42 that is recessed from the heat exchange chamber 41 side to the machine chamber 39 side is formed in the upper portion of the partition wall 40. The concave portion 42 includes a first inclined surface 42a bent from the side wall portion 40a of the partition wall 40, a second inclined surface 42b bent from the rear wall portion 40b, and the first inclined surface 42a and the second inclined surface 42b. It is provided with three inclined surfaces (inclined portions) that are provided between the upper surface of the inclined wall portion 40c and are bent from the third inclined surface 42c. The upper end edges of these inclined surfaces 42a to 42c are connected to the upper wall portion 40d, and the upper wall portion 40d is formed in a substantially L shape in plan view.

  Thus, by forming the recessed part 42 in the upper part of the partition wall 40, the plane range of the heat exchange chamber 41 in the upper part side of the outdoor unit main body 5 is expanded, and it blows upward from the outdoor unit main body 5 by the air blower 23. The air flow path immediately before the air flow is sufficiently secured, and the air flow resistance is reduced so that the air can be blown out smoothly. In addition, as shown in FIG. 6, the recess 42 is formed in a range that overlaps below the movement trajectory K of the blades of the blower 23, so that the entire blower 23 can be appropriately used for air circulation. Can function. Note that the three inclined surfaces 42a to 42c constituting the recess 42 can be constituted by smoothly curved surfaces such as circular arc surfaces, and the ventilation resistance can be further reduced by such a configuration. Moreover, it can form with a smooth curved surface also about the boundary part of each inclined surface 42a-42c of the recessed part 42, and the upper wall part 40d.

  In the outdoor unit main body 5 of the present embodiment, since the machine room 39 is provided at the corner 5A of the outdoor unit main body 5, two side panels 29 may be provided to cover the machine room 39. Therefore, unlike the prior art (Patent Document 1), four side panels that cover the entire circumference of the machine room are not required, and the number of parts can be reduced and the manufacturing cost can be reduced.

The present invention is not limited to the above-described embodiments, and can be appropriately changed within the scope of the invention described in the claims.
For example, the outdoor unit 2 according to the above embodiment includes one compressor 11, but may include two or more compressors 11. Also in this case, the opening width W of the front opening portion 36A is set to a width that allows one compressor 11 to be taken in and out, and a plurality of compressors 11 can be taken in and out from the front opening portion 36A one by one in order. can do.

In the machine room 39 of the outdoor unit body 5, all the equipment on the outdoor unit 2 side constituting the refrigerant circuit 10 except for the outdoor heat exchanger 13 may be disposed, but at least contact with water is a problem. For example, only the devices such as the compressor 11 to which power is supplied, the electrical component unit 38, and the motorized valves (four-way switching valve 12 and expansion valve 14) are arranged, and other devices are disposed in the heat exchange chamber 41. It may be arranged.
Further, in the present invention, the partition wall 40 that partitions the heat exchange chamber 41 and the machine chamber 39 can be omitted.

DESCRIPTION OF SYMBOLS 1 Air conditioning apparatus 2 Outdoor unit 5 Outdoor unit main body 11 Compressor 13 Outdoor heat exchanger 23 Blower 32a One side edge part of the heat exchanger 35a Other side edge part of the heat exchanger 39 Machine room 40 Partition wall 41 Heat exchange Room

Claims (7)

An outdoor unit body (5) having a square shape in plan view, a heat exchanger (13) provided to face the four side surfaces of the outdoor unit body (5), and an upper part of the outdoor unit body (5) An air conditioner outdoor unit comprising a blower (23) that blows upwardly the air sucked from the side of the outdoor unit body (5),
In one corner (5A) in plan view of the outdoor unit main body (5), an equipment arrangement region (R) for arranging equipment including at least the compressor (11) is provided,
The corner (5A) of the outdoor unit body (5) has an opening formed between one side end (32a) and the other side end (35a) of the heat exchanger (13). The outdoor unit of the air conditioning apparatus, wherein the section (36) is arranged.   The device arrangement region (R) is parallel to one of the two side surfaces of the outdoor unit main body (5) in the corner (5A) and in the plan view, and is one of the heat exchanger (13). One virtual partition line (α1) passing through the side end portion (32a) and another virtual partition line (parallel to the other side surface and passing through the other side end portion (35a) of the heat exchanger (13) ( The outdoor unit for an air conditioner according to claim 1, wherein the outdoor unit is set in a rectangular region in plan view surrounded by α2).   The air conditioner according to claim 1 or 2, wherein the opening (36) has an opening width (W) in which the compressor (11) can be taken in and out with respect to the device arrangement region (R). Outdoor unit.   The air conditioner according to claim 3, wherein the opening (36) has an opening width (W) adapted to a width of an electrical component unit (38) arranged in the device arrangement region (R). Outdoor unit.   A column (27), which is a structural member of the outdoor unit body (5), is erected on the corner (5A) of the outdoor unit body (5), and the column (27) and the column adjacent to the column (27). The outdoor unit of the air conditioner according to claim 4, wherein both side portions of the electrical component unit (38) are supported by the side end portion (32a) of the heat exchanger.   The side end (32a) of the heat exchanger (13) is provided with a cover member (47) for covering the heat transfer tube (13a) protruding from the side end (32a). The outdoor unit for an air conditioner according to claim 5, wherein one side portion of the electrical component unit (38) is supported by 47).   A partition wall (40) is installed between one side end (32a) and the other side end (35a) of the heat exchanger (13). A machine room (39) provided in (R) and a heat exchange chamber (41) in which the heat exchanger (13) is disposed are horizontally partitioned, and the heat exchange chamber (41) is the outdoor unit. The outdoor unit of the air conditioning apparatus according to any one of claims 1 to 6, wherein the outdoor unit is formed in a range extending from a lower part to an upper part of the main body (5).

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