Outdoor unit and refrigeration cycle device

Abstract

An outdoor unit comprising: a pair of support pillar members; and a motor support plate that is fixed to the support pillar members at support pillar fixing portions which are respectively provided in end sections of the motor support plate in a left / right direction, and supports a fan motor between the pair of pillar support members. The motor support plate has a first plate section extending along a plane that is perpendicular to a front / rear direction. The first plate section is provided with a motor insertion hole inside of which the fan motor is positioned, a plurality of motor fixing sections that are arranged along an inner edge of the motor insertion hole and to which the fan motor is fixed, and a protruding section that protrudes to one side in the front / rear direction. The protruding section has a ring-shaped protruding section that extends along the inner edge of the motor insertion hole and is where the motor fixing sections are positioned, and a reinforcing protruding section that extends from the ring-shaped protruding section toward the support pillar fixing portions. Supposing that there are first imaginary lines and second imaginary lines that extend in different directions from the motor support sections to the pillar fixing portions as viewed from the front / rear direction, side surfaces of the reinforcing protruding section have first side surfaces that extend along the first imaginary lines and second side surfaces that extend along the second imaginary lines.

Description

[Technical field]

[0001] The present disclosure relates to an outdoor unit and a refrigeration cycle device. [Background technology]

[0002] The outdoor unit of the refrigeration cycle device has a fan motor and a fan connected to the fan motor. Patent Document 1 discloses a motor support base that supports the fan motor inside the outdoor unit. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2020-085429 A Summary of the Invention [Problem to be solved by the invention]

[0004] The motor support base supports the fan motor from the rear. If the motor support base is not rigid enough, the motor may vibrate and generate noise. However, if the motor support base is enlarged to increase its rigidity, the motor support base may narrow the air flow path, increasing the ventilation resistance inside the outdoor unit.

[0005] In consideration of the above circumstances, an object of the present disclosure is to provide an outdoor unit that can firmly support a fan motor and suppress noise while suppressing an increase in ventilation resistance, and a refrigeration cycle apparatus including such an outdoor unit. [Means for solving the problem]

[0006] One aspect of the outdoor unit according to the present disclosure is an outdoor unit for a refrigeration cycle device, comprising: a fan motor having a rotating shaft centered on a rotation axis extending in a front-to-rear direction; a blade portion fixed to the rotating shaft; a pair of support members extending vertically and aligned in the left-right direction; and a motor support plate fixed to the support members at support fixing portions provided at each end in the left-right direction and supporting the fan motor between the pair of support members, the motor support plate having a first plate portion extending along a plane perpendicular to the front-to-rear direction, the first plate portion having a motor insertion hole on the inside of which the fan motor is disposed, a plurality of motor fixing portions aligned along an inner edge of the motor insertion hole and to which the fan motor is fixed, and a first plate portion on one side of the front-to-rear direction. It is formed by rising in steps toward the surface. a protrusion is provided, the protrusion having an annular protrusion extending along the inner edge of the motor insertion hole and on which the motor fixing portion is disposed, and a reinforcing protrusion extending from the annular protrusion toward the pillar fixing portion, and when viewed from the front-to-rear direction, a first imaginary line and a second imaginary line are assumed to extend in different directions from the motor fixing portion toward the pillar fixing portion, and the side surfaces of the reinforcing protrusion have a first side extending along the first imaginary line and a second side extending along the second imaginary line.

[0007] One aspect of the refrigeration cycle apparatus according to the present disclosure includes the above-described outdoor unit and a circulation path portion through which a refrigerant flows, and the outdoor unit has a heat exchanger connected to the circulation path portion and cooled by the blower fan. Effect of the Invention

[0008] According to the present disclosure, in an outdoor unit of a refrigeration cycle device, it is possible to firmly support a fan motor while suppressing an increase in ventilation resistance, thereby suppressing noise. [Brief description of the drawings]

[0009] [Figure 1] 1 is a schematic diagram showing a schematic configuration of a refrigeration cycle device according to an embodiment; [Diagram 2] FIG. 2 is a perspective view showing the outdoor unit according to the embodiment. [Diagram 3]3 is a cross-sectional view of the outdoor unit taken along line III-III in FIG. 2. [Figure 4] 1 is a perspective view of a fan motor and a motor support base that supports the fan motor according to an embodiment. [Diagram 5] FIG. 2 is a front view of the motor support base according to the embodiment. [Figure 6] FIG. 2 is a perspective view of the motor support plate according to the embodiment, as viewed obliquely from the front. [Figure 7] FIG. 4 is a perspective view of the motor support plate according to the embodiment, as viewed obliquely from behind. [Figure 8] FIG. 4 is a cross-sectional view of a motor support plate according to the embodiment. [Figure 9] FIG. 13 is a front view of a motor support plate according to a modified example. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0010] Hereinafter, an embodiment of the present disclosure will be described with reference to the drawings. Note that the scope of the present disclosure is not limited to the following embodiment, and can be changed as desired within the scope of the technical idea of ​​the present disclosure. In addition, in the following drawings, the scale and number of each structure may be different from the scale and number of the actual structure in order to make each configuration easier to understand.

[0011] The drawings also show an X-axis, a Y-axis, and a Z-axis as appropriate. The X-axis shows the front-rear direction of the outdoor unit in the following embodiment. The Y-axis shows the width direction of the outdoor unit perpendicular to the front-rear direction. The Z-axis shows the vertical direction. The front-rear direction, width direction, and vertical direction are perpendicular to each other. The side (+X side) of the front-rear direction to which the X-axis arrow points is the front side of the outdoor unit, and the side (-X side) opposite to the side to which the X-axis arrow points is the rear side of the outdoor unit. The width direction is the left-right direction of the outdoor unit. The left-right direction is the left-right direction when the outdoor unit in the following embodiment is viewed from the front side (+X side). In other words, the side (+Y side) of the left-right direction to which the Y-axis arrow points is the right side, and the side (-Y side) opposite to the side to which the Y-axis arrow points is the left side. The side in the vertical direction toward which the Z-axis arrow points (+Z side) is the upper side, and the side opposite to the side toward which the Z-axis arrow points (-Z side) is the lower side. Furthermore, in this specification, the surface facing forward of each part may be simply referred to as the front surface, and the surface facing backward may be referred to as the rear surface.

[0012] Fig. 1 is a schematic diagram showing a schematic configuration of a refrigeration cycle apparatus 100 in the embodiment. In the embodiment, the refrigeration cycle apparatus 100 is an air conditioner. As shown in Fig. 1, the refrigeration cycle apparatus 100 includes an outdoor unit 10, an indoor unit 20, and a circulation path section 18. The outdoor unit 10 is disposed outdoors. The indoor unit 20 is disposed indoors. The outdoor unit 10 and the indoor unit 20 are connected to each other by the circulation path section 18 through which a refrigerant 19 circulates.

[0013] The refrigeration cycle device 100 can adjust the temperature of the air in the room by exchanging heat between the refrigerant 19 flowing in the circulation path portion 18 and the air in the room where the indoor unit 20 is placed. Examples of the refrigerant 19 include fluorine-based refrigerants and hydrocarbon-based refrigerants that have a low global warming potential (GWP).

[0014] The outdoor unit 10 has a housing 11, a compressor 12, a heat exchanger 13, a flow rate control valve 14, a blower fan 15, a four-way valve 16, and a control unit 17. The housing 11 accommodates the compressor 12, the heat exchanger 13, the flow rate control valve 14, the blower fan 15, the four-way valve 16, and the control unit 17.

[0015] The compressor 12, the heat exchanger 13, the flow rate control valve 14, and the four-way valve 16 are provided in a portion of the circulation path 18 that is located inside the housing 11. The compressor 12, the heat exchanger 13, the flow rate control valve 14, and the four-way valve 16 are connected by a portion of the circulation path 18 that is located inside the housing 11.

[0016] The four-way valve 16 is provided in a portion of the circulation path section 18 that is connected to the discharge side of the compressor 12. The four-way valve 16 can reverse the direction of the refrigerant 19 flowing through the circulation path section 18 by switching a portion of the path of the circulation path section 18. When the paths connected by the four-way valve 16 are the paths shown by solid lines in the four-way valve 16 in Fig. 1, the refrigerant 19 flows through the circulation path section 18 in the direction shown by the solid arrows in Fig. 1. On the other hand, when the paths connected by the four-way valve 16 are the paths shown by dashed lines in the four-way valve 16 in Fig. 1, the refrigerant 19 flows through the circulation path section 18 in the direction shown by the dashed arrows in Fig. 1.

[0017] The indoor unit 20 has a housing 21, a heat exchanger 22, a blower fan 23, and a control device 24. The heat exchanger 22, the blower fan 23, and the control device 24 are housed inside the housing 21. The indoor unit 20 is capable of a cooling operation for cooling the air in the room in which the indoor unit 20 is located, and a heating operation for heating the air in the room in which the indoor unit 20 is located.

[0018] When the indoor unit 20 is in cooling operation, the refrigerant 19 flowing in the circulation path portion 18 flows in the direction shown by the solid arrow in Fig. 1. In other words, when the indoor unit 20 is in cooling operation, the refrigerant 19 flowing in the circulation path portion 18 circulates through the compressor 12, the heat exchanger 13 of the outdoor unit 10, the flow control valve 14, and the heat exchanger 22 of the indoor unit 20, in that order, before returning to the compressor 12. In cooling operation, the heat exchanger 13 in the outdoor unit 10 functions as a condenser, and the heat exchanger 22 in the indoor unit 20 functions as an evaporator.

[0019] On the other hand, when the indoor unit 20 is in heating operation, the refrigerant 19 flowing in the circulation path portion 18 flows in the direction shown by the dashed line in Fig. 1. In other words, when the indoor unit 20 is in heating operation, the refrigerant 19 flowing in the circulation path portion 18 circulates through the compressor 12, the heat exchanger 22 of the indoor unit 20, the flow control valve 14, and the heat exchanger 13 of the outdoor unit 10, in that order, before returning to the compressor 12. In heating operation, the heat exchanger 13 in the outdoor unit 10 functions as an evaporator, and the heat exchanger 22 in the indoor unit 20 functions as a condenser.

[0020] Next, a more detailed description will be given of the outdoor unit 10. Fig. 2 is a perspective view showing the outdoor unit 10. Fig. 3 is a cross-sectional view of the outdoor unit 10 taken along line III-III in Fig. 2.

[0021] As shown in Fig. 2, the housing 11 of the outdoor unit 10 is in the shape of a substantially rectangular parallelepiped box. As shown in Fig. 3, the housing 11 has a front panel 11a that covers the internal space of the housing 11 from the front side, a rear panel 11d that covers it from the rear side, a top plate 11t that covers it from above, and a bottom plate 11c that covers it from below.

[0022] A fan grill 11G is attached to the front panel 11a. The fan grill 11G covers an opening 11b provided in the front panel 11a. The opening 11b penetrates the front panel 11a in the front-rear direction (X-axis direction) and opens to the front side. The opening 11b is a substantially circular hole in a plan view.

[0023] 3, a fan chamber 11e is provided inside the housing 11, in which the heat exchanger 13, the blower fan 15, and the motor support stand 30 are housed. Although not shown, a machine chamber is also provided inside the housing 11, in which the compressor 12 and the control unit 17 are housed. The fan chamber 11e and the machine chamber are separated by a partition member.

[0024] The blower fan 15 is located on the front side (+X side) of the heat exchanger 13. A circulation path portion 18 (see FIG. 1) is connected to the heat exchanger 13. A refrigerant flows inside the heat exchanger 13. The heat exchanger 13 is cooled by the blower fan 15.

[0025] The blower fan 15 includes a fan motor 60 having a rotating shaft 61, and a rotor 15b fixed to the rotating shaft 61. A rotation axis J extends in the front-rear direction.

[0026] The rotor 15b is rotated around the rotation axis J by the fan motor 60. The rotor 15b is disposed facing the opening 11b inside the housing 11. When the rotor 15b rotates, air is sucked into the housing 11 through an air intake 11f provided in the rear panel 11d of the housing 11. The air sucked into the housing 11 by the rotor 15b passes through the heat exchanger 13 and the rotor 15b, and is blown out to the front side of the housing 11 from the opening 11b.

[0027] FIG. 4 is a perspective view of the fan motor 60 and the motor support base 30 that supports the fan motor 60. As shown in FIG. The fan motor 60 has a substantially cylindrical motor body 62, a rotating shaft 61 extending forward from the motor body 62 centered on a rotation axis J, and a plurality of mounting portions 63 (four in this embodiment) provided on the outer periphery of the motor body 62. The mounting portions 63 are disposed at equal intervals in the circumferential direction of the rotation axis J. The mounting portions 63 are provided with through holes into which motor fixing screws 73 are inserted. The fan motor 60 is fixed to the motor support base 30 at the mounting portions 63.

[0028] 3, the fan motor 60 is fixed to the housing 11 via the motor support base 30. The motor support base 30 is located behind the fan motor 60. The motor support base 30 is located inside the housing 11.

[0029] 4, the motor support base 30 has a motor support plate 40, a lower base member 33, an upper base member 32, and a pair of support members 31. In other words, the outdoor unit 10 includes the motor support plate 40, the lower base member 33, the upper base member 32, and a pair of support members 31.

[0030] The lower base member 33 is a member to which the lower ends of the pair of support members 31 are fixed and which is fixed to the bottom surface (bottom plate 11c) of the housing 11. The upper base member 32 is a member to which the upper ends of the pair of support members 31 are fixed and which is fixed to the housing 11.

[0031] The support members 31 are columnar members having a substantially C-shaped cross section. The pair of support members 31 extend vertically and are aligned in the left-right direction. The pair of support members 31 are disposed rearward of the fan motor 60. When the fan motor 60 is viewed from the front, one of the pair of support members 31 is located on the left side of the rotating shaft 61, and the other is located on the right side of the rotating shaft 61. The pair of support members 31 have the same shape.

[0032] The motor support plate 40 is a plate-like member having a substantially rectangular shape when the fan motor 60 is viewed from the front. The motor support plate 40 has a symmetrical shape. The motor support plate 40 is fixed across a pair of support members 31 arranged side by side in the left-right direction. The fan motor 60 is also fixed to the motor support plate 40. In other words, the motor support plate 40 holds the fan motor 60 between the pair of support members 31.

[0033] Fig. 5 is a front view of the fan motor 60 and a portion of the motor support base 30. Fig. 6 is a perspective view of the motor support plate 40 as viewed obliquely from the front. Fig. 7 is a perspective view of the motor support plate 40 as viewed obliquely from the rear. Fig. 8 is a cross-sectional view of the motor support plate 40.

[0034] 6, the motor support plate 40 has a first plate portion 41 located in the center in the left-right direction, a second plate portion 44 provided at each of the left and right ends of the first plate portion 41, and a plurality of folded plate portions 45, 46, 47, 48, and 49 that reinforce the first plate portion 41 and the second plate portion 44. The motor support plate 40 is formed by pressing a metal plate material. That is, the first plate portion 41, the second plate portion 44, and the plurality of folded plate portions 45, 46, 47, 48, and 49 are each formed by bending a single plate material.

[0035] The first plate portion 41 has a thickness direction in the front-rear direction and extends along a plane perpendicular to the front-rear direction. An arc-shaped edge portion 41a and a pair of linear edge portions 41b are provided on the upper and lower edges of the first plate portion 41. The arc-shaped edge portion 41a extends in an arc shape centered on the rotation axis J. The pair of linear edge portions 41b are disposed on both the left and right sides of the arc-shaped edge portion 41a and extend linearly in the left-right direction.

[0036] The pair of second plate portions 44 are connected to the left and right ends of the first plate portion 41, respectively. The second plate portion 44 is rectangular. The second plate portion 44 has a plate thickness direction in the left and right direction and extends along a plane perpendicular to the left and right direction. The pair of second plate portions 44 are formed by bending backwards from the left and right ends of the first plate portion 41, respectively. The first plate portion 41 and the second plate portion 44 are perpendicular to each other.

[0037] The folded plate portions 45, 46, 47, 48, 49 of the motor support plate 40 are classified into a first folded plate portion 45, a second folded plate portion 46, a third folded plate portion 47, a fourth folded plate portion (folded plate portion) 48, and a fifth folded plate portion (folded plate portion) 49.

[0038] The first folded plate portion 45 and the second folded plate portion 46 are provided on the upper edge and the lower edge of the first plate portion 41. One first folded plate portion 45 and two second folded plate portions 46 are provided on the upper edge and the lower edge of the first plate portion 41, respectively. The two second folded plate portions 46 are arranged on both the left and right sides of the first folded plate portion 45. The first folded plate portion 45 and the second folded plate portion 46 are formed by bending forward with respect to the first plate portion 41. The first folded plate portion 45 and the second folded plate portion 46 are perpendicular to the first plate portion 41. The first folded plate portion 45 is provided on the arc-shaped edge portion 41a of the first plate portion 41. Therefore, the first plate portion 41 is curved in an arc shape with the rotation axis J as the center. The second bent plate portion 46 is provided on the linear edge portion 41b of the first plate portion 41. The second bent plate portion 46 extends linearly in the left-right direction. The first bent plate portion 45 and the second bent plate portion 46 reinforce the first plate portion 41.

[0039] The third folded plate portion 47 is provided on the upper and lower edges of the second plate portion 44. The third folded plate portion 47 is formed by folding laterally with respect to the first plate portion 41. The third folded plate portion 47 is perpendicular to the second plate portion 44. The third folded plate portion 47 extends linearly in the front-rear direction. The third folded plate portion 47 is connected to the second folded plate portion 46. The third folded plate portion 47 reinforces the second plate portion 44. In addition, the second folded plate portion 46 and the third folded plate portion 47 are connected to each other. Therefore, the second folded plate portion 46 and the third folded plate portion 47 increase the rigidity of the boundary portion between the first plate portion 41 and the second plate portion 44.

[0040] The fourth folded plate portion 48 and the fifth folded plate portion 49 are connected to an inner edge 41e of the motor insertion hole 41h of the first plate portion 41. Two fourth folded plate portions 48 and two fifth folded plate portions 49 are provided on the inner edge 41e of the motor insertion hole 41h. The fourth folded plate portion 48 and the fifth folded plate portion 49 are curved in an arc shape with the rotation axis J as the center. The two fourth folded plate portions 48 are disposed above and below the rotation axis J, respectively. The two fifth folded plate portions 49 are disposed to the left and right of the rotation axis J, respectively. Therefore, the fourth folded plate portion 48 and the fifth folded plate portion 49 are alternately arranged in the circumferential direction with the rotation axis J as the center. The fourth folded plate portion 48 is formed by being bent forward with respect to the first plate portion 41. On the other hand, the first folded plate portion 45 and the second folded plate portion 46 are perpendicular to the first plate portion 41. The first folded plate portion 45 and the second folded plate portion 46 are perpendicular to the first plate portion 41.

[0041] According to this embodiment, the motor support plate 40 has a fourth folded plate portion 48 and a fifth folded plate portion 49 that are folded in the front-rear direction from the inner edge 41e of the motor insertion hole 41h. The fourth folded plate portion 48 and the fifth folded plate portion 49 reinforce the first plate portion 41 around the motor insertion hole 41h of the motor support plate 40. According to this embodiment, the rigidity of the motor support plate 40 can be increased without increasing the projected area of ​​the motor support plate 40 in the front-rear direction, and the support of the fan motor 60 by the motor support plate 40 can be stabilized.

[0042] 8, the first folded plate portion 45 is folded forward relative to the first plate portion 41, and the fourth folded plate portion 48 is folded backward relative to the first plate portion 41. Therefore, the motor support plate 40 is reinforced by being folded in different directions relative to the first plate portion 41 in the upper and lower regions of the motor insertion hole 41h.

[0043] 6, the second plate portion 44 is bent backward relative to the first plate portion 41, and the fifth bent plate portion 49 is bent forward relative to the first plate portion 41. Therefore, the motor support plate 40 is reinforced by being bent in different directions relative to the first plate portion 41 in the regions to the right and left of the motor insertion hole 41h.

[0044] The upper end edge 49a of the fifth folded plate portion 49 extends linearly in the front-rear direction. The upper end edges 49a of the two fifth folded plate portions 49 in this embodiment are aligned in the vertical direction. As shown in FIG. 5, the mounting portion 63 of the fan motor 60 is disposed on the upper side of the upper end edges 49a of the two fifth folded plate portions 49. The fan motor 60 in this embodiment is mounted on the motor support plate 40 with the rotation axis J facing horizontally. Since the fan motor 60 is heavy, it is difficult to perform the mounting work while holding the fan motor 60 in the air during the mounting work. According to this embodiment, the mounting portion 63 of the fan motor 60 can be mounted on the upper end edge 49a of the fifth folded plate portion 49. Therefore, the worker can temporarily hold the fan motor 60 on the motor support plate 40 during the mounting work.

[0045] The motor support plate 40 is fixed to the support member 31 at the support column fixing portion 42. The support column fixing portion 42 is constituted by the left and right ends of the first plate portion 41 and a second plate portion 44 connected to the left and right ends. That is, the motor support plate 40 has the support column fixing portion 42 provided at each of the left and right ends. The pair of support column fixing portions 42 have symmetrical shapes. In this specification, the support column fixing portion 42 refers to the entire portion of the motor support plate 40 that is fixed to the support member 31 by coming into contact with the support member 31 with a surface pressure being applied therebetween.

[0046] The pole fixing portion 42 has two first fixing portions 42a and two second fixing portions 42b. The first fixing portions 42a and the second fixing portions 42b are fixed to the pole member 31 with screws. That is, the pole fixing portion 42 has a plurality of fixing portions 42a, 42b that are fixed to the pole member 31 with screws.

[0047] The first fixing portion 42a is provided on the second plate portion 44. The first fixing portion 42a has a first hole 42ah penetrating the second plate portion 44. On the other hand, the second fixing portion 42b is provided on the first plate portion 41. The second fixing portion 42b has a second hole 42bh penetrating the first plate portion 41. In other words, some of the multiple fixing portions 42a, 42b are provided on the first plate portion 41, and the other parts are provided on the second plate portion 44.

[0048] As shown in FIG. 5, the first fixing portion 42a is fixed to the support member 31 by a first screw 71, and the second fixing portion 42b is fixed to the support member 31 by a second screw 72. As described above, the second plate portion 44 on which the first fixing portion 42a is provided and the first plate portion 41 on which the second fixing portion 42b is provided are orthogonal to each other. Therefore, the support fixing portion 42 is fixed to the support member 31 from directions orthogonal to each other. According to this embodiment, the fixing strength of the support fixing portion 42 can be increased. Furthermore, according to this embodiment, even if vibrations in various directions are applied to the support fixing portion 42 as the fan motor 60 is driven, the first screw 71 and the second screw 72 can be prevented from loosening. This can increase the reliability of the fixation between the motor support plate 40 and the support member 31.

[0049] 6, the first plate portion 41 is provided with a motor insertion hole 41h, a plurality of (four in this embodiment) motor fixing portions 43, and a protrusion 50. The motor insertion hole 41h penetrates the first plate portion 41 in the front-rear direction. The motor insertion hole 41h is located between a pair of support members 31. The motor insertion hole 41h in this embodiment is substantially circular with the rotation axis J as its center. However, the planar shape of the motor insertion hole 41h is not limited to a circle, and may be another shape such as a polygon.

[0050] The multiple motor fixing parts 43 are aligned along the inner edge 41e of the motor insertion hole 41h. The multiple motor fixing parts 43 are arranged at equal intervals around the rotation axis J. A fan motor 60 is fixed to the motor fixing parts 43. In this embodiment, the four motor fixing parts 43 are respectively arranged at the upper right, lower right, upper left, and lower left with respect to the rotation axis J. Each motor fixing part 43 is provided with a screw hole 43h.

[0051] As shown in FIG. 5, the fan motor 60 is disposed inside the motor insertion hole 41h. The four mounting parts 63 provided on the fan motor 60 are disposed forward relative to the first plate part 41. The mounting parts 63 contact the motor fixing part 43 from the front. The fan motor 60 is fixed to the motor support plate 40 by fastening the motor fixing screw 73 through the through hole of the mounting part 63 and into the screw hole 43h (see FIG. 6) of the motor fixing part 43. When the motor fixing screw 73 is fastened, the rear surface of the mounting part 63 and the front surface of the motor support plate 40 come into contact with each other, a surface pressure is applied, and a relative movement is restricted by a frictional force. In this specification, the motor fixing part 43 means a region of the front surface of the first plate part 41 that comes into contact with the mounting part 63 of the fan motor 60 and a surface pressure is applied.

[0052] The protruding portion 50 is a portion that protrudes forward in the first plate portion 41. The protruding portion 50 in this embodiment is formed by drawing and has a shape that rises gently forward. Note that, in this embodiment, a case in which the protruding portion 50 protrudes forward in the first plate portion 41 will be described, but the protruding portion 50 may also protrude rearward. In other words, it is sufficient that the protruding portion 50 protrudes to one side in the front-rear direction.

[0053] The convex portion 50 has a top surface 50b and a side surface 50a. The top surface 50b is located at the tip of the convex portion 50 in the protruding direction. The top surface 50b extends along a plane perpendicular to the front-rear direction. The side surface 50a connects the front surface of the first plate portion 41 on the base side of the convex portion 50 to the top surface 50b. The side surface 50a is provided around the entire outer edge of the top surface 50b. The side surface 50a is inclined in the protruding direction (forward) of the convex portion 50 with respect to the plane perpendicular to the front-rear direction.

[0054] The protrusion 50 has an annular protrusion 51 and a pair of reinforcing protrusions 52. The annular protrusion 51 and the reinforcing protrusion 52 are each a part of the protrusion 50. The annular protrusion 51 and the reinforcing protrusion 52 are connected to each other. In this embodiment, the protruding height of the annular protrusion 51 and the protruding height of the reinforcing protrusion 52 are equal to each other. However, the protruding heights of the annular protrusion 51 and the reinforcing protrusion 52 may be different from each other. One of the pair of reinforcing protrusions 52 is located on the right side of the annular protrusion 51, and the other is located on the left side of the annular protrusion 51. The pair of reinforcing protrusions 52 are symmetrical to each other with respect to the rotation axis J.

[0055] The annular protrusion 51 extends annularly along the inner edge 41e of the motor insertion hole 41h. As described above, the motor insertion hole 41h in the present embodiment is substantially circular and centered on the rotation axis J. Therefore, the annular protrusion 51 extends annularly with the rotation axis J as the center. In this specification, the term "annular" refers to a shape formed in a continuous loop, and includes cases where the shape in plan view is not necessarily circular. Therefore, the shape of the annular protrusion 51 in plan view does not have to be circular.

[0056] The motor fixing portion 43 is disposed on the annular convex portion 51. Therefore, the motor fixing portion 43 is provided on the top surface 50b of the annular convex portion 51 on the front surface of the first plate portion 41. According to this embodiment, the fan motor 60 is fixed to the annular convex portion 51 provided along the inner edge 41e of the motor insertion hole 41h of the motor support plate 40. By providing the annular convex portion 51 around the motor insertion hole 41h, the motor support plate 40 can increase the second moment of area and increase the rigidity. By fixing the fan motor 60 to the top surface 50b of the convex portion 50, it is possible to suppress the motor support plate 40 from resonating with the vibration of the fan motor 60, and it is possible to suppress the noise caused by the driving of the outdoor unit 10. In addition, the vibration of the fan motor 60 is limited from being transmitted to each part of the outdoor unit 10, and it is possible to suppress the screws of each part of the outdoor unit 10 from loosening. As a result, it is possible to provide a highly reliable outdoor unit 10.

[0057] The vertical dimension D1 of the annular protrusion 51 in this embodiment is smaller than the vertical dimension D2 of the support post fixing portion 42. According to the motor support plate 40 in this embodiment, the rigidity of the motor support plate 40 along the inner edge 41e of the motor insertion hole 41h is sufficiently increased by providing the annular protrusion 51. Therefore, even if the vertical dimension D2 of the support post fixing portion 42 is reduced, the motor support plate 40 can firmly support the fan motor 60 between the support post fixing portion 42 and the fan motor 60. According to this embodiment, the vertical dimension D2 of the support post fixing portion 42 is made smaller than the vertical dimension D1 of the annular protrusion 51, so that the front-rear projection area of ​​the motor support plate 40 can be reduced. This prevents the motor support plate 40 from narrowing the air passage of the blower fan 15, and prevents an increase in the ventilation resistance in the outdoor unit 10.

[0058] The pair of reinforcing protrusions 52 extend from the annular protrusion 51 to the left and right pillar fixing parts 42, respectively. The reinforcing protrusions 52 have a central protrusion 54 located in the center in the up-down direction, and lateral protrusions 53 located respectively above and below the central protrusion 54. The pair of lateral protrusions 53 are symmetrical to each other in the up-down direction. In addition, the central protrusion 54 is symmetrical to the up-down direction with respect to the rotation axis J.

[0059] The side surface 50a of the reinforcing protrusion 52 has a first side surface 53a, a second side surface 54a, a third side surface 53b, a fourth side surface 53c, a fifth side surface 54b, and a sixth side surface 52a.

[0060] The first side surface 53a, the third side surface 53b, and the fourth side surface 53c constitute the side surface 50a of the lateral protrusion 53. The first side surface 53a and the third side surface 53b extend linearly in the left-right direction. The first side surface 53a and the third side surface 53b are arranged side by side in the up-down direction. The first side surface 53a is arranged farther from the central protrusion 54 than the third side surface 53b in the up-down direction. The fourth side surface 53c is arranged at the end of the lateral protrusion 53 in the left-right direction. The fourth side surface 53c extends in an arc shape to connect the first side surface 53a and the third side surface 53b.

[0061] The fifth side surface 54b and the pair of second side surfaces 54a constitute the side surface 50a of the central protrusion 54. The pair of second side surfaces 54a extend linearly in a direction approaching each other in the up-down direction as they move away from the rotation axis J in the left-right direction. The fifth side surface 54b connects the pair of second side surfaces 54a to each other. The fifth side surface 54b extends linearly in the up-down direction in the central portion, and curves in an arc at the upper end and the lower end to smoothly connect to the second side surfaces 54a.

[0062] The sixth side surface 52a is located between the side protrusion 53 and the central protrusion 54. The sixth side surface 52a is curved in an arc shape to smoothly connect the third side surface 53b of the side protrusion 53 and the second side surface 54a of the central protrusion 54.

[0063] As shown in FIG. 5, a first virtual line L1 and a second virtual line L2 are assumed when viewed from the front-rear direction. The first virtual line L1 and the second virtual line L2 each pass through the motor fixing part 43. The first virtual line L1 and the second virtual line L2 are assumed to be one for each motor fixing part 43. The first virtual line L1 and the second virtual line each extend from the motor fixing part 43 toward the support post fixing part 42. The first virtual line L1 and the second virtual line L2 extend in different directions. The first virtual line L1 of this embodiment extends parallel to the left-right direction. On the other hand, the second virtual line L2 of this embodiment extends in a direction oblique to the left-right direction and the up-down direction.

[0064] As described above, the motor fixing portion 43 in this embodiment is an area having a certain area provided on the front surface of the first plate portion 41. Therefore, the first virtual line L1 and the second virtual line L2 can pass through an area having a certain width.

[0065] In this embodiment, the first side surface 53a extends along the first virtual line L1. Meanwhile, the second side surface 54a extends along the second virtual line L2. That is, the reinforcing protrusion 52 has the first side surface 53a along the first virtual line L1 and the second side surface 54a along the second virtual line L2 that extends in a direction different from the first virtual line L1.

[0066] When the first plate portion 41 is provided with the convex portion 50 by drawing, the cross-sectional shape becomes a step shape, so that the second moment of area can be increased and the rigidity is increased. Therefore, the rigidity of the convex portion 50 is increased in the direction along the side surface 50a. That is, according to this embodiment, the rigidity of the first plate portion 41 is increased along the first side surface 53a and the second side surface 54a. The first side surface 53a and the second side surface 54a extend linearly in different directions from the motor fixing portion 43 toward the support post fixing portion 42. The first side surface 53a and the second side surface 54a form a reinforcing structure similar to a truss structure that connects the motor fixing portion 43 and the support post fixing portion 42. As a result, the motor support plate 40 can firmly connect between the support post member 31 and the fan motor 60. As a result, the vibration of the fan motor 60 can be suppressed and the noise of the outdoor unit 10 can be suppressed. Furthermore, according to this embodiment, the rigidity of the motor support plate 40 can be increased without increasing the size of the motor support plate 40. This prevents the air passage of the blower fan 15 from being narrowed by the motor support plate 40, and prevents the airflow resistance inside the outdoor unit 10 from increasing.

[0067] In this embodiment, the first virtual line L1 passes through the first fixed portion 42a when viewed from the front-rear direction. That is, the first fixed portion 42a is disposed on an extension line of the first side surface 53a that extends along the first virtual line L1 when viewed from the front-rear direction. This allows the first side surface 53a to firmly connect the motor fixing portion 43 and the first fixed portion 42a, thereby increasing the rigidity of the motor support plate 40 between the support member 31 and the fan motor 60.

[0068] In the present embodiment, the first fixing portion 42a is provided on the second plate portion 44. However, the first fixing portion 42a may be disposed on the first plate portion 41 as long as it is disposed on the first virtual line L1 when viewed from the front-rear direction. In the present embodiment, the first fixing portion 42a is disposed on an extension line of the first side surface 53a. However, the fourth side surface 53c may be formed to extend along the first virtual line L1, and the first fixing portion 42a may be disposed on an extension line of the fourth side surface 53c. In this case, the fourth side surface 53c firmly connects the motor fixing portion 43 and the first fixing portion 42a.

[0069] The first virtual line L1 in this embodiment extends parallel to the left-right direction. As described above, the support member 31 extends in the vertical direction. Therefore, the first side surface 53a extending along the first virtual line L1 extends in a direction that connects the first fixing portion 42a and the support fixing portion 42 at the shortest distance. Therefore, the rigidity of the first side surface 53a can be further increased. Furthermore, by making the first side surface 53a in a direction that connects the first fixing portion 42a and the support fixing portion 42 at the shortest distance, it is possible to suppress an increase in the projection area of ​​the motor support plate 40 in the front-rear direction in order to provide the first side surface 53a. As a result, it is possible to suppress an increase in the ventilation resistance inside the outdoor unit 10 and to increase the ventilation efficiency of the blower fan 15.

[0070] According to this embodiment, the second virtual line L2 passes between the two second fixing parts 42b when viewed from the front-rear direction. The two second fixing parts 42b of one support post fixing part 42 are aligned in the up-down direction. The support post fixing part 42 is fixed particularly firmly in the area between the two second fixing parts 42b. According to this embodiment, an extension line of the second side surface 54a extending along the second virtual line L2 passes between the two second fixing parts 42b. As a result, the second side surface 54a firmly connects the motor fixing part 43 and the area between the second fixing parts 42b, and the rigidity of the motor support plate 40 between the support post member 31 and the fan motor 60 can be increased.

[0071] Here, of the multiple motor fixing parts 43, the one located on the upper side will be referred to as the first motor fixing part 43A, and the one located on the lower side will be referred to as the second motor fixing part 43B. That is, the multiple motor fixing parts 43 include the first motor fixing part 43A and the second motor fixing part 43B that are arranged side by side in the vertical direction.

[0072] The second virtual line L2 extends from the first motor fixing portion 43A and the second motor fixing portion 43B toward between the two second fixing portions 42b. That is, according to this embodiment, the second virtual line L2 extending from the first motor fixing portion 43A and the second virtual line L2 extending from the second motor fixing portion 43B extend in directions approaching each other in the up-down direction as they move away from the annular convex portion 51 in the left-right direction. In addition, these two second virtual lines L2 intersect between the pair of second fixing portions 42b.

[0073] The reinforcing protrusion 52 has two second side surfaces 54a extending along the two second virtual lines L2. According to this embodiment, the extension lines of the two second side surfaces 54a extending from the first motor fixing portion 43A and the second motor fixing portion 43B arranged vertically toward the support fixing portion 42 intersect between the two second fixing portions 42b. According to this embodiment, the two second side surfaces 54a firmly connect the area between the first motor fixing portion 43A and the support fixing portion 42, and the area between the second motor fixing portion 43B and the support fixing portion 42. This makes it possible to increase the rigidity of the motor support plate 40 between the support member 31 and the fan motor 60. Also, according to this embodiment, the motor support plate 40 can be firmly fixed to the support member 31 without unnecessarily increasing the number of fixing portions 42a, 42b provided on the support fixing portion 42. Therefore, the process of fixing the motor support plate 40 and the support member 31 at the support fixing portion 42 can be simplified.

[0074] <Modification> 9 is a front view of a motor support plate 140 of a modified example that can be used in the outdoor unit 10 of the above-described embodiment. In the following description of each modified example, the same components as those in the embodiment already described are given the same reference numerals, and the description thereof will be omitted.

[0075] The motor support plate 140 is fixed to the support member 31 by support fixing portions 142 located on both left and right ends. In this modification, each support fixing portion 142 has two first fixing portions 42a and one second fixing portion 142b. The second fixing portion 142b is provided on the first plate portion 41. The second fixing portion 142b is disposed in the center of the support fixing portion 142 in the up-down direction. The second fixing portion 142b is fixed to the support member 31 by a second screw 172.

[0076] When viewed from the front-rear direction, a first imaginary line L1 and a second imaginary line L2 are assumed on the motor support plate 140. The first imaginary line L1 and the second imaginary line L2 pass through the motor fixing portion 43. In addition, a first side surface 53a of the reinforcing protrusion 52 extends along the first imaginary line L1, and a second side surface 54a of the reinforcing protrusion 52 extends along the second imaginary line L2.

[0077] In this modification, the second imaginary line L2 passes through the second fixing portion 142b when viewed from the front-rear direction. According to this modification, the two second fixing portions 142b are disposed on an extension line of the second side surface 54a that extends along the second imaginary line L2. As a result, the second side surface 54a firmly connects the motor fixing portion 43 and the area between the second fixing portions 142b, and increases the rigidity of the motor support plate 140 between the support member 31 and the fan motor 60.

[0078] The second imaginary line L2 extending from the upper first motor fixing portion 43A and the second imaginary line L2 extending from the lower second motor fixing portion 43B extend in a direction approaching each other in the up-down direction as they move away from the annular protrusion 51 in the left-right direction. Moreover, these two second imaginary lines L2 intersect with each other at the second fixing portion 142b. The reinforcing protrusion 52 has two second side surfaces 54a extending along the two second imaginary lines L2.

[0079] According to this modification, the two second fixing parts 142b are arranged on extensions of the two second side surfaces 54a that respectively extend from the vertically aligned first motor fixing part 43A and the second motor fixing part 43B toward the support fixing part 142. According to this modification, the two second side surfaces 54a firmly connect the first motor fixing part 43A and the area between the second motor fixing part 43B and the support fixing part 142, and the rigidity of the motor support plate 140 between the support member 31 and the fan motor 60 can be increased. Also, according to this modification, the motor support plate 140 can be firmly fixed to the support member 31 without unnecessarily increasing the second fixing parts 142b of the support fixing part 142.

[0080] The refrigeration cycle device in which the outdoor unit of the present disclosure is provided is not limited to an air conditioner as long as it is a device that utilizes a refrigeration cycle in which a refrigerant circulates. The refrigeration cycle device may be a heat pump water heater or the like.

[0081] The configurations and methods described in this specification can be combined as appropriate within the scope of not being mutually inconsistent. [Explanation of symbols]

[0082] 10...outdoor unit, 18...circulation path portion, 19...refrigerant, 31...support member, 40, 140...motor support plate, 41...first plate portion, 41e...inner edge, 41h...motor insertion hole, 42, 142...support fixing portion, 42a...first fixing portion (fixing portion), 42b, 142b...second fixing portion (fixing portion), 43...motor fixing portion, 43A...first motor fixing portion, 43B...second motor fixing portion , 44...second plate portion, 48...fourth folded plate portion (folded plate portion), 49...fifth folded plate portion (folded plate portion), 50...projection portion, 50a...side surface, 51...annular projection portion, 52...reinforcing projection portion, 53a...first side surface, 54a...second side surface, 60...fan motor, 61...rotating shaft, 100...refrigeration cycle device, D1, D2...dimension, J...rotation axis, L1...first imaginary line, L2...second imaginary line

Claims

1. An outdoor unit of a refrigeration cycle device, a fan motor having a rotating shaft centered on a rotation axis extending in the front-rear direction; A wing portion fixed to the rotating shaft; A pair of support members extending vertically and aligned in the left-right direction; a motor support plate that is fixed to the support members at support fixing portions provided at the left and right ends, and that supports the fan motor between the pair of support members, the motor support plate has a first plate portion extending along a plane perpendicular to the front-rear direction, The first plate portion has: a motor insertion hole in which the fan motor is disposed; a plurality of motor fixing portions arranged along an inner edge of the motor insertion hole to which the fan motor is fixed; a protruding portion formed in a stepped shape toward one side in the front-rear direction; The protrusion is an annular protrusion extending along an inner edge of the motor insertion hole and in which the motor fixing portion is disposed; a reinforcing protrusion extending from the annular protrusion toward the pole fixing portion, A first imaginary line and a second imaginary line are assumed to extend in different directions from each other from the motor fixing portion to the pillar fixing portion when viewed from the front-rear direction, The side surface of the reinforcing protrusion is A first side extending along the first imaginary line; and a second side extending along the second imaginary line.

2. An outdoor unit as described in Claim 1, wherein the motor fixing portion is provided on a top surface located at the tip of one side of the convex portion in the fore-and-aft direction.

3. The pole fixing portion has a first fixing portion that is screw-fixed to the pole member, The outdoor unit according to claim 1 , wherein the first virtual line passes through the first fixing portion when viewed from the front-rear direction.

4. The outdoor unit according to claim 3 , wherein the first virtual line extends parallel to the left-right direction.

5. The pole fixing portion has two second fixing portions that are screwed to the pole member, The outdoor unit according to claim 3 , wherein the second virtual line passes between two of the second fixing portions when viewed from the front-rear direction.

6. the plurality of motor fixing portions include a first motor fixing portion and a second motor fixing portion that are arranged side by side in the vertical direction, the second imaginary line extending from the first motor fixing portion and the second imaginary line extending from the second motor fixing portion intersect between a pair of the second fixing portions, The side surface of the reinforcing protrusion has two second side surfaces extending along the two second virtual lines, respectively. The outdoor unit according to claim 5.

7. The pole fixing portion has a second fixing portion that is screw-fixed to the pole member, The outdoor unit according to claim 3 , wherein the second imaginary line passes through the second fixing portion when viewed from the front-rear direction.

8. The vertical dimension of the annular protrusion is smaller than the vertical dimension of the support pole fixing portion. The outdoor unit according to claim 1 .

9. The first plate portion has a plate thickness direction in the front-rear direction, the motor support plate includes second plate portions provided at the left and right ends of the first plate portion, the second plate portions having a plate thickness direction in the left and right direction; The second fixing portion is provided on the first plate portion, and the first fixing portion is provided on the second plate portion. The outdoor unit according to any one of claims 5 to 7.

10. the motor support plate has a bent plate portion bent in the front-rear direction from an inner edge of the motor insertion hole, The outdoor unit according to claim 1 .

11. The outdoor unit according to claim 1 , A circulation path portion through which a refrigerant flows. Refrigeration cycle equipment.

Images