Patent Publication Number: US-11655989-B2

Title: Outdoor unit of air-conditioning apparatus

Description:
CROSS REFERENCE TO RELATED APPLICATION 
     This application is a U.S. National Stage Application of International Application No. PCT/JP2019/015462, filed on Apr. 9, 2019, the contents of which are incorporated herein by reference. 
     TECHNICAL FIELD 
     The present disclosure relates to an outdoor unit of an air-conditioning apparatus in which it is possible to prevent adhesion of water to a device accommodated in a machine chamber. 
     BACKGROUND ART 
     The outdoor unit of an air-conditioning apparatus includes a housing. The inside of the housing is partitioned into a fan chamber and a machine chamber by a partition plate. A fan and a heat exchanger are accommodated in the fan chamber. An electric component box is accommodated in an upper portion of the machine chamber, electric parts, such as a control board, being accommodated in the electric component box. A device to be energized, such as a compressor, is also accommodated in the machine chamber at a position below the electric component box. To energize the fan, the fan is connected with the electric part in the electric component box by a wiring. As described above, the fan is accommodated in the fan chamber, and the electric component box is accommodated in the machine chamber. Therefore, the partition plate, which partitions the inside of the housing into the fan chamber and the machine chamber, has a through hole or a groove as a wiring passage through which a wiring connected to the fan passes. 
     An air outlet is formed at a portion of the housing, the portion forming the fan chamber, to blow out air suctioned into the fan chamber by the fan to the outside of the fan chamber. Therefore, water, such as rain, intrudes into the fan chamber from the air outlet. Accordingly, there is a possibility that water having intruded into the fan chamber intrudes into the machine chamber through the wiring passage formed in the partition plate, and the water adheres to the device accommodated in the machine chamber. 
     In view of the above, hitherto, for an outdoor unit of an air-conditioning apparatus, an outdoor unit has been proposed in which it is possible to prevent water having intruded into a machine chamber from intruding into an electric component box from a wiring passage of a partition plate (see Patent Literature 1). Specifically, in the outdoor unit described in Patent Literature 1, a groove that forms a wiring passage is formed at the upper portion of the partition plate. Further, the electric component box of the outdoor unit described in Patent Literature 1 includes a support portion that supports a wiring connected with a fan, and a pressing piece that presses the wiring connected with the fan from above. The support portion and the pressing piece hold the wiring connected with the fan such that the wiring connected with the fan is inserted into the electric component box while extending obliquely upward. With such a configuration, in the machine chamber, a curved portion that is curved to protrude downward is formed in the wiring, connected with the fan, at a position between the wiring passage of the partition plate and the electric component box. Therefore, in the outdoor unit described in Patent Literature 1, when water having intruded into the machine chamber from the wiring passage of the partition plate flows along the wiring connected with the fan, the water collects at a curved portion, and drips off at the curved portion. Accordingly, in the outdoor unit described in Patent Literature 1, it is possible to prevent water having intruded into the machine chamber from the wiring passage of the partition plate from intruding into the electric component box. 
     CITATION LIST 
     Patent Literature 
     Patent Literature 1: Japanese Unexamined Patent Application Publication No. 9-26164 
     SUMMARY OF INVENTION 
     Technical Problem 
     A device to be energized, such as a compressor, is also accommodated in the machine chamber of the outdoor unit of the air-conditioning apparatus at a position below the electric component box. Therefore, the outdoor unit described in Patent Literature 1 has a problem that water dripped from the curved portion of the wiring connected with the fan adheres to the device to be energized that is provided below the electric component box. 
     The present disclosure has been made to solve the above-mentioned problem, and an object thereof is to provide an outdoor unit of an air-conditioning apparatus in which it is possible to prevent adhesion of water having intruded into the machine chamber from the wiring passage of the partition plate to a device to be energized that is provided below the electric component box more effectively than the related-art technology. 
     Solution to Problem 
     An outdoor unit of an air-conditioning apparatus according to an embodiment of the present disclosure includes: a housing; and a partition plate including a body portion configured to partition an inside of the housing into a machine chamber and a fan chamber, a device to be energized being accommodated in the machine chamber, a fan being accommodated in the fan chamber, the body portion of the partition plate having a wiring passage through which a wiring connected with the fan passes, wherein the outdoor unit includes a water receiving part provided to the machine chamber, with a side wall portion of the water receiving part facing the wiring passage, to receive water intruding into the machine chamber from the wiring passage, the water receiving part having a box shape, the side wall portion of the water receiving part has a first opening port at a portion that faces the wiring passage, and an upper surface portion of the water receiving part has a second opening port through which the wiring drawn from the water receiving part passes, the water receiving part is attached to the partition plate such that a peripheral edge of the first opening port is brought into contact with the body portion, a gap is formed between a portion of a bottom portion of the water receiving part and the partition plate, water received by the water receiving part passing through the gap when discharged from the water receiving part, and the bottom portion is inclined toward the gap. 
     Advantageous Effects of Invention 
     In the outdoor unit of the air-conditioning apparatus according to an embodiment of the present disclosure, water having intruded into the machine chamber from the wiring passage of the partition plate is received by the water receiving part. In the outdoor unit of the air-conditioning apparatus according to the present disclosure, water received by the water receiving part flows downward along the partition plate. Therefore, in the outdoor unit of the air-conditioning apparatus according to the present disclosure, it is possible to prevent adhesion of water to a device to be energized that is provided below the electric component box. 
    
    
     
       BRIEF DESCRIPTION OF DRAWINGS 
         FIG.  1    is a perspective view showing an external appearance of an outdoor unit of an air-conditioning apparatus according to Embodiment. 
         FIG.  2    is a perspective view showing an internal structure of the outdoor unit of the air-conditioning apparatus according to Embodiment. 
         FIG.  3    is a perspective view of an area around a wiring passage of the outdoor unit of the air-conditioning apparatus according to Embodiment as viewed from the front side. 
         FIG.  4    is a side view of the area around the wiring passage of the outdoor unit of the air-conditioning apparatus according to Embodiment. 
         FIG.  5    is a perspective view of the area around the wiring passage of the outdoor unit of the air-conditioning apparatus according to Embodiment as viewed from the back side. 
         FIG.  6    is a transverse cross-sectional view of the area around the wiring passage of the outdoor unit of the air-conditioning apparatus according to Embodiment. 
     
    
    
     DESCRIPTION OF EMBODIMENT 
     Embodiment 
       FIG.  1    is a perspective view showing an external appearance of an outdoor unit of an air-conditioning apparatus according to Embodiment.  FIG.  2    is a perspective view showing an internal structure of the outdoor unit of the air-conditioning apparatus according to Embodiment. 
     Hereinafter, an outdoor unit  100  will be described assuming that the side having air outlets  3  is the front surface side of the outdoor unit  100  of the air-conditioning apparatus. Therefore,  FIG.  1    is a perspective view of the external appearance of the outdoor unit  100  as viewed from the front surface side, and  FIG.  2    is a perspective view of the internal structure of the outdoor unit  100  as viewed from the front surface side. 
     The outdoor unit  100  of the air-conditioning apparatus includes a housing  1  having a substantially cuboid shape, for example. A front surface portion  2  of the housing  1  has the air outlets  3 . The inside of the housing  1  is partitioned into a fan chamber  5  and a machine chamber  6  by a body portion  21  of a partition plate  20 . 
     A heat exchanger  11  and fans  12  are accommodated in the fan chamber  5 . The heat exchanger  11  is accommodated in the fan chamber  5  such that the heat exchanger  11  faces an air inlet formed at a portion of the housing  1 , the portion forming the fan chamber  5 . In Embodiment, the air inlet is formed extending from the back surface portion to the side surface portion of the housing  1 . Therefore, the heat exchanger  11  has a substantially L shape as viewed in a plan view. The fans  12  are accommodated in the fan chamber  5  such that the fans  12  face the air outlets  3  formed at portions of the front surface portion  2  of the housing  1 , the portions forming the fan chamber  5 . In Embodiment, two fans  12  are accommodated in the fan chamber  5 . Therefore, the front surface portion  2  of the housing  1  has two air outlets  3 . In the outdoor unit  100  having such a configuration, when the fans  12  are driven, outdoor air is suctioned into the fan chamber  5  from the air inlet of the housing  1 . At this point of operation, air suctioned into the fan chamber  5  exchanges heat with the heat exchanger  11 . Air subjected to heat exchange with the heat exchanger  11  is blown out to the outside of the housing  1  from the air outlets  3 . 
     An electric component box  14  is accommodated in the upper portion of the machine chamber  6 . Electric parts, such as a control board, are accommodated in the electric component box  14 . A device to be energized from the electric part in the electric component box  14  via a wiring is accommodated in the machine chamber  6  at a position below the electric component box  14 . The device to be energized may be a compressor  13 , for example. 
     In the same manner as the compressor  13 , the fans  12  are also connected with the electric part in the electric component box  14  via a wiring, and the fans  12  are driven when the fans  12  are energized from the electric part in the electric component box  14 . As described above, the fans  12  are accommodated in the fan chamber  5 , and the electric component box  14  is accommodated in the machine chamber  6 . Therefore, the body portion  21  of the partition plate  20 , which partitions the inside of the housing  1  into the fan chamber  5  and the machine chamber  6 , has a wiring passage  22  through which the wiring connected with the fans  12  passes. The wiring passage  22  may be a through hole or a groove, for example. In Embodiment, the wiring passage  22  is a through hole having a circular shape. 
     As described above, the air outlets  3  are formed at the portions of the housing  1 , the portions forming the fan chamber  5 . Therefore, water, such as rain, intrudes into the fan chamber  5  from the air outlet  3 . Accordingly, there is a possibility that water having intruded into the fan chamber  5  intrudes into the machine chamber  6  through the wiring passage  22 , which is formed in the body portion  21  of the partition plate  20 , and the water adheres to the device to be energized, such as the compressor  13 , that is provided below the electric component box  14 . Therefore, the outdoor unit  100  according to Embodiment has the following configuration to prevent adhesion of water to the device to be energized, such as the compressor  13 , that is provided below the electric component box  14 . 
       FIG.  3    is a perspective view of an area around the wiring passage of the outdoor unit of the air-conditioning apparatus according to Embodiment as viewed from the front side.  FIG.  4    is a side view of the area around the wiring passage of the outdoor unit of the air-conditioning apparatus according to Embodiment.  FIG.  5    is a perspective view of the area around the wiring passage of the outdoor unit of the air-conditioning apparatus according to Embodiment as viewed from the back side. Further,  FIG.  6    is a transverse cross-sectional view of the area around the wiring passage of the outdoor unit of the air-conditioning apparatus according to Embodiment. 
     A bold arrow shown in  FIG.  6    shows the flow of water in a water receiving part  40 . A wiring  15  shown in  FIG.  3    to  FIG.  5    shows the wiring connected to the fans  12 . Further, a wiring  16  shown in  FIG.  4    to  FIG.  6    shows the wiring connected with the device to be energized that is disposed in the machine chamber  6  at a position below the electric component box  14 . For example, the wiring  16  may be the wiring connected to the compressor  13 . 
     As described above, in Embodiment, the wiring passage  22  is a through hole having a circular shape. A rubber bush  23  is fitted in the wiring passage  22 . The rubber bush  23  is a rubber part that covers the wiring passage  22 , and has a cross-shaped cut at the center portion of the rubber bush  23 . The wiring  15  connected to the fans  12  is routed to the machine chamber  6  from the fan chamber  5  through this cut. The wiring passage of a related-art outdoor unit is also provided with a rubber bush. In the related-art outdoor unit, such a rubber bush is provided to prevent water having intruded into the fan chamber from intruding into the machine chamber  6  through the wiring passage. However, when the wiring  15  is inserted into the cut formed in the rubber bush  23 , a gap is formed at a portion where the cut is formed. Further, when a plurality of wirings  15  are inserted into the cut formed in the rubber bush  23 , gaps are also formed between the wirings  15 . Therefore, even when the rubber bush  23  is provided to the wiring passage  22 , water intrudes into the machine chamber  6  from the wiring passage  22  and splashes, so that the water adheres to the device accommodated in the machine chamber  6 . 
     In view of the above, the outdoor unit  100  according to Embodiment includes the box-shaped water receiving part  40  that receives water intruding into the machine chamber  6  from the wiring passage  22 . The water receiving part  40  is provided to the machine chamber  6  such that a side wall portion  41  of the water receiving part  40  faces the wiring passage  22 . That is, a bottom portion  42  of the water receiving part  40  is disposed at a position lower than the wiring passage  22 . The side wall portion  41  of the water receiving part  40  has a first opening port  45  at a portion that faces the wiring passage  22 . In Embodiment, the entire portion of the side wall portion  41  that faces the body portion  21  of the partition plate  20  having the wiring passage  22  forms the first opening port  45 . An upper surface portion  47  of the water receiving part  40  has a second opening port  46  through which the wiring  15  drawn from the water receiving part  40  passes. That is, the wiring  15  routed into the water receiving part  40  from the wiring passage  22  is bent upward, is routed to the outside of the water receiving part  40  from the second opening port  46 , and is connected with the electric part in the electric component box  14 . 
     The water receiving part  40  having the above-mentioned configuration is attached to the partition plate  20  such that the peripheral edge of the first opening port  45  is brought into contact with the body portion  21  of the partition plate  20 . In other words, the water receiving part  40  is attached to the partition plate  20  such that the peripheral edge of the first opening port  45  is brought into contact with a portion of the body portion  21  that forms the outer periphery of the wiring passage  22 . Further, in the state where the water receiving part  40  is attached to the partition plate  20 , a gap  60  is formed between a portion of the bottom portion  42  of the water receiving part  40  and the partition plate  20 , water received by the water receiving part  40  passing through the gap  60  when discharged from the water receiving part  40 . Further, the bottom portion  42  is inclined toward the gap  60 . 
     Therefore, water having intruded into the machine chamber  6  from the gap between the rubber bush  23  and the wiring  15 , for example, is received by a recess  44  formed by the side wall portion  41  of the water receiving part  40  and the bottom portion  42 . Further, the wiring  15  is routed upward in the water receiving part  40  and hence, water having intruded into the machine chamber  6  along the wiring  15  is also received by the recess  44 . That is, water having intruded into the machine chamber  6  from the wiring passage  22  is received by the recess  44  of the water receiving part  40 , As shown in  FIG.  6   , the water received by the recess  44  flows along the inclined bottom portion  42  toward the gap  60 , and is discharged to the outside of the water receiving part  40  from the gap  60 . Further, the gap  60  is formed between a portion of the bottom portion  42  of the water receiving part  40  and the partition plate  20  and hence, water discharged to the outside of the water receiving part  40  from the gap  60  flows downward along the partition plate  20 . The water that flows downward along the partition plate  20  is received by a bottom plate  4 , forming the bottom surface portion of the housing  1 , and is discharged to the outside of the outdoor unit  100  from a drain port not shown in the drawing formed in the bottom plate  4 . 
     In the outdoor unit  100  including the water receiving part  40 , water having intruded into the machine chamber  6  from the wiring passage  22  can be discharged as described above and hence, it is possible to prevent water having intruded into the machine chamber  6  from the wiring passage  22  from splashing in the machine chamber  6 , whereby it is possible to prevent adhesion of water to the device to be energized, such as the compressor  13 , that is provided below the electric component box  14 . Further, the upper surface portion  47  of the water receiving part  40  has the second opening port  46  through which the wiring  15  drawn from the water receiving part  40  passes and hence, it is also possible to obtain an advantageous effect that routing of the wiring  15  is facilitated. 
     In Embodiment, the gap  60  is formed in the bottom portion  42  at the lowest position. Therefore, all water received by the recess  44  can be discharged to the outside of the water receiving part  40 . 
     In Embodiment, the wiring passage  22  is a through hole having a circular shape. The upper surface portion  47  of the water receiving part  40  is disposed at a position higher than the center of the through hole that forms the wiring passage  22 . That is, the side wall portion  41  of the water receiving part  40  covers not only a position lower than the center of the through hole that forms the wiring passage  22 , but also a position higher than the center of the through hole that forms the wiring passage  22 . In the case where the wiring passage  22  is a through hole having a circular shape, a rubber bush  9  is attached as described above. In general, the wiring  15  is caused to pass through the cut formed at the center portion of the rubber bush  23 . Therefore, a gap is likely to be formed in the vicinity of the center of the through hole that forms the wiring passage  22  and hence, water easily intrudes into the machine chamber  6  from the vicinity of the center of the through hole. The upper surface portion  47  of the water receiving part  40  is disposed at a position higher than the center of the through hole that forms the wiring passage  22  and hence, compared with the case where the upper surface portion  47  of the water receiving part  40  is disposed at a position lower than the center of the through hole that forms the wiring passage  22 , water having intruded into the machine chamber  6  from the wiring passage  22  can be received by the recess  44  of the water receiving part  40  with more certainty. That is, the upper surface portion  47  of the water receiving part  40  is disposed at a position higher than the center of the through hole that forms the wiring passage  22  and hence, compared with the case where the upper surface portion  47  of the water receiving part  40  is disposed at a position lower than the center of the through hole that forms the wiring passage  22 , it is possible to more reliably prevent adhesion of water to the device to be energized, such as the compressor  13 , that is provided below the electric component box  14 . 
     Further, in Embodiment, the water receiving part  40  is attached to the partition plate  20  as described below and hence, the water receiving part  40  can be easily attached. First, in describing the configuration for attaching the water receiving part  40  to the partition plate  20 , one of the end portions of the body portion  21  of the partition plate  20  in the horizontal direction is named as a first end portion  25 . Further, the other of the end portions of the body portion  21  of the partition plate  20  in the horizontal direction is named as a second end portion  26 . As shown in  FIG.  2   , in Embodiment, the body portion  21  of the partition plate  20  extends in the longitudinal direction to partition the inside of the housing  1  into the fan chamber  5  and the machine chamber  6 . Therefore, the body portion  21  has a front end portion and a rear end portion as the end portions in the horizontal direction. Accordingly, in Embodiment, one of the front end portion and the rear end portion of the body portion  21  is the first end portion  25 , and the other of the front end portion and the rear end portion of the body portion  21  is the second end portion  26 . Hereinafter, as shown in  FIG.  2    and  FIG.  6   , the configuration for attaching the water receiving part  40  to the partition plate  20  will be described assuming that the front end portion of the body portion  21  is named as the first end portion  25 , and the rear end portion of the body portion  21  is named as the second end portion  26 . 
     The partition plate  20  includes a bent portion  27  that extends to the opposite side of the fan chamber  5  from the first end portion  25  of the body portion  21 . The water receiving part  40  is attached in a state where the water receiving part  40  is brought into contact with the body portion  21  and the bent portion  27 . When the water receiving part  40  is attached to the partition plate  20 , by causing the water receiving part  40  to be brought into contact with the body portion  21  and the bent portion  27 , the water receiving part  40  can be positioned in the horizontal direction. Therefore, the water receiving part  40  can be easily positioned at the attachment position and hence, the water receiving part  40  can be easily attached. 
     A method for fixing the water receiving part  40  to the partition plate  20  is not particularly limited. However, in Embodiment, the water receiving part  40  is fixed to the partition plate  20  by fixing the front end portion and the rear end portion of the water receiving part  40  to the partition plate  20  by screws. Specifically, a second bent portion  28  extending parallel to the body portion  21  is connected to the end portion of the bent portion  27  of the partition plate  20  on the opposite side of the end portion connected with the body portion  21 . The front end portion of the water receiving part  40  is fixed to the second bent portion  28  by a screw. The rear end portion of the water receiving part  40  is also fixed to the body portion  21  by a screw. 
     In Embodiment, in the state where the water receiving part  40  is attached and in contact with the body portion  21  and the bent portion  27 , the gap  60  is formed at a corner portion  29 , which is a portion where the body portion  21  and the bent portion  27  are connected with each other. Therefore, when water discharged to the outside of the water receiving part  40  from the gap  60  flows downward along the partition plate  20 , the water flows through the corner portion  29 . Water discharged to the outside of the water receiving part  40  flows through the corner portion  29  and hence, compared with the case where water discharged to the outside of the water receiving part  40  flows along the planar portion of the partition plate  20 , it is possible to more reliably prevent water flowing downward along the partition plate  20  from spreading out and splashing. Therefore, water discharged to the outside of the water receiving part  40  flows through the corner portion  29  and hence, compared with the case where water discharged to the outside of the water receiving part  40  flows through the planar portion of the partition plate  20 , it is possible to more reliably prevent adhesion of water to the device to be energized, such as the compressor  13 , that is provided below the electric component box  14 . 
     In Embodiment, the separation between the wiring passage  22  and the first end portion  25  of the body portion  21  is smaller than the separation between the wiring passage  22  and the second end portion  26  of the body portion  21 . That is, the wiring passage  22  is disposed in the vicinity of the bent portion  27 . With such a configuration, in the case where the water receiving part  40  is attached in a state of being brought into contact with the body portion  21  and the bent portion  27 , and the gap  60  is formed at the corner portion  29 , the separation from the wiring passage  22  to the gap  60  as viewed in a plan view can be reduced. Accordingly, it is possible to rapidly discharge water having intruded into the machine chamber  6  and received by the water receiving part  40  to the outside of the outdoor unit  100 . 
     Further, in Embodiment, the water receiving part  40  includes an inclined portion  48  at a portion of the side wall portion  41 , The inclined portion  48  is connected with a portion of the bottom portion  42  that is disposed at a position higher than the gap  60 . Further, as viewed in a plan view, the inclined portion  48  has a shape where the inclined portion  48  approaches the body portion  21  of the partition plate  20  as the separation of the inclined portion  48  from the gap  60  increases. In other words, as viewed in a plan view, a portion of the side wall portion  41  that is connected with a portion of the bottom portion  42  that is disposed at a position higher than the gap  60  has a shape where the portion of the side wall portion  41  approaches the body portion  21  of the partition plate  20  as the separation of the portion of the side wall portion  41  from the gap  60  increases. The water receiving part  40  includes the inclined portion  48  and hence, it is possible to reduce the area of the portion of the bottom portion  42  that is disposed at a position higher than the gap  60 . Therefore, with the configuration where the water receiving part  40  includes the inclined portion  48 , it is possible to shorten a time period during which water stays in the water receiving part  40 . Accordingly, it is possible to rapidly discharge water having intruded into the machine chamber  6  and received by the water receiving part  40  to the outside of the outdoor unit  100 . 
     Further, in Embodiment, the water receiving part  40  includes a wiring fixing portion  49  that fixes the wiring  16 . In Embodiment, the wiring fixing portion  49  includes a recessed portion  50 , and claws  51  provided such that the claws  51  partially close the opening port of the recessed portion  50 . The wiring  16  is fixed in such a manner that the wiring  16  is sandwiched between the peripheral wall of the recessed portion  50  and the claws  51 . The wiring fixing portion  49  is provided at an outer portion of the water receiving part  40  that has no water discharging function. 
     The wiring  16  connected with the device to be energized, such as the compressor  13 , that is provided below the machine chamber  6  is routed upward, and is connected with the electric part in the electric component box  14 . In connecting the wiring  16  with the electric part, by fixing the wiring  16  with the wiring fixing portion  49 , the wiring  16  can be disposed in a state of being displaced from a path through which water discharged from the water receiving part  40  passes. With such a configuration, it is possible to prevent water discharged from the water receiving part  40  from reaching the device to be energized, such as the compressor  13 , along the wiring  16 . The body portion  21  of the partition plate  20  is also provided with a fixture  24  for fixing the wiring  16 . In Embodiment, the wiring  16  can be fixed also by the fixture  24  in a state of being displaced from the path through which water discharged from the water receiving part  40  passes. 
     As has been described above, the outdoor unit  100  of the air-conditioning apparatus according to Embodiment includes the housing  1 , and the partition plate  20  including the body portion  21  that partitions the inside of the housing  1  into the machine chamber  6  and the fan chamber  5 , the device to be energized being accommodated in the machine chamber  6 , the fans  12  being accommodated in the fan chamber  5 . The body portion  21  of the partition plate  20  has the wiring passage  22  through which the wiring  15  connected with the fans  12  passes. The outdoor unit  100  also includes the water receiving part  40  provided to the machine chamber  6 , with the side wall portion  41  facing the wiring passage  22 , to receive water intruding into the machine chamber  6  from the wiring passage  22 , the water receiving part  40  having a box shape. The side wall portion  41  of the water receiving part  40  has the first opening port  45  at a portion that faces the wiring passage  22 , and the upper surface portion  47  of the water receiving part  40  has the second opening port  46  through which the wiring  15  drawn from the water receiving part  40  passes. The water receiving part  40  is attached to the partition plate  20  such that the peripheral edge of the first opening port  45  is brought into contact with the body portion  21 . The gap  60  is formed between a portion of the bottom portion  42  of the water receiving part  40  and the partition plate  20 , water received by the water receiving part  40  passing through the gap  60  when discharged from the water receiving part  40 . Further, the bottom portion  42  is inclined toward the gap  60 . 
     In the outdoor unit  100  of the air-conditioning apparatus according to Embodiment, water having intruded into the machine chamber  6  from the wiring passage  22  of the partition plate  20  is received by the water receiving part  40 . In the outdoor unit  100  of the air-conditioning apparatus according to Embodiment, water received by the water receiving part  40  flows downward along the partition plate  20 . Therefore, in the outdoor unit  100  of the air-conditioning apparatus according to Embodiment, it is possible to prevent adhesion of water to the device to be energized that is provided below the electric component box  14 . 
     REFERENCE SIGNS LIST 
       1 : housing,  2 : front surface portion,  3 : air outlet,  4 : bottom plate,  5 : fan chamber,  6 : machine chamber,  11 : heat exchanger,  12 : fan,  13 : compressor,  14 : electric component box,  15 : wiring,  16 : wiring,  20 : partition plate,  21 : body portion,  22 : wiring passage,  23 : rubber bush,  24 : fixture,  25 : first end portion,  26 : second end portion,  27 : bent portion,  28 : second bent portion,  29 : corner portion,  40 : water receiving part,  41 : side wall portion,  42 : bottom portion,  44 : recess,  45 : first opening port,  46 : second opening port,  47 : upper surface portion,  48 : inclined portion,  49 : wiring fixing portion,  50 : recessed portion,  51 : claw,  60 : gap,  100 : outdoor unit.