KR20140007016A - Outdoor unit for refrigeration device - Google Patents

Abstract

The outdoor unit 10 includes a casing 20 having a suction port 25 on a side surface, an outdoor fan 40 disposed above the suction port 25 inside the casing 20 to blow air upward, and a suction port. An indoor fan 40 having an outdoor heat exchanger 30 disposed opposite to 25 has a fan 41 and a bell mouth 43 formed to surround the outer periphery of the fan 41. In addition, in the casing 20, the electrical equipment unit 60 located in the periphery of the bell mouth 43 is arrange | positioned.

Description

OUTDOOR UNIT FOR REFRIGERATION DEVICE}

The present invention relates to an outdoor unit of a refrigerating device, and more particularly, to an arrangement of an electrical equipment unit.

Conventionally, a separate type air conditioner having an indoor unit and an outdoor unit has been widely used. In such an outdoor unit, an electrical apparatus such as a blower fan and a compressor is disposed in the casing, and at the same time, an electrical appliance unit in which electrical components such as a control board for controlling these electrical apparatuses are accommodated is arranged.

In the operation of the air conditioner, the electrical components housed in the electrical equipment unit generate heat, so that the ambient temperature inside the electrical equipment unit increases due to the heat generation, and there is a risk of failure of the electrical components or the like. Here, as shown in patent document 1, cooling of an electric component is aimed at by providing an opening in the side surface of the electrical component unit, and ensuring the passage of air inside.

By the way, in the said patent document 1, while installing a fan above the inside of a casing, it was made to install an electrical equipment unit below this fan.

Japanese Patent Publication No. 2007-218534

However, in the patent document 1 mentioned above, apparatuses, such as a heat exchanger and a compressor, and piping are provided in the lower part inside a casing. That is, the heat exchanger, the compressor, the piping, and the electronics unit are installed below the fan inside the casing. As a result, the space below is narrower than the fan inside the casing. As a result, there has been a problem that maintenance of equipment installed below the fan cannot be performed unless the electronics unit is removed from the casing.

This invention is made | formed in view of such a point, and it aims at making the space below a fan wider in a casing in which a fan is arrange | positioned at the upper part.

The first invention has a casing 20 having an air intake port 25 on its side, a blower 40 disposed above the air intake port 25 inside the casing 20 to blow air upward, In the outdoor unit of the refrigerating device having the outdoor heat exchanger (30) disposed to face the air intake port (25), the blower (40) surrounds the fan (41) and the outer circumference of the fan (41). It is provided with a bell mouse 43 is formed so that, in the casing 20, the electrical equipment unit 60 located in the periphery of the bell mouse 43 is disposed.

In the said 1st invention, the air suction port 25 is formed in the casing 20 side surface. Inside the casing 20, an outdoor heat exchanger 30 is disposed opposite the air intake port 25. Moreover, the blower 40 is arrange | positioned above the air suction port 25 inside the casing 20. This blower 40 is equipped with the fan 41 and the bell mouse 43. As shown in FIG. The bell mouse 43 is arranged to surround the outer circumference of the fan 41.

Air introduced into the casing 20 from the air inlet 25 by the rotation of the fan 41 is heat-exchanged in the outdoor heat exchanger 30, and passes through the bell mouth 43 to the outside of the casing 20. Squirt.

In the casing 20, the electrical equipment unit 60 is disposed at the periphery of the bell mouth 43. As a result, the space below is wider in the casing 20 than the fan 41 and the bell mouth 43.

In the first invention, in the first invention, at least a portion of the electrical component unit 60 overlaps the bell mouse 43 in the height direction, and a lower end portion is higher than the outdoor heat exchanger 30. Is placed in position.

In the second invention, the electrical equipment unit 60 is disposed at a position where at least a portion thereof overlaps with the bell mouse 43 in the height direction. Moreover, the lower end part of the electrical component unit 60 is arrange | positioned in the position which becomes upper than the outdoor heat exchanger 30. As shown in FIG.

In the first or second invention, the third invention is an inlet 61 in which the electric appliance unit 60 communicates with the discharge side of the blower 40 and introduces air on the discharge side into the electric appliance unit 60. ), And an outlet 62 which communicates with the suction side of the blower 40 to allow the air inside the electrical equipment unit 60 to flow out.

In the third invention, the electrical equipment unit 60 is provided with an inlet port 61 communicating with the discharge side of the blower 40 and an outlet port 62 communicating with the blower 40 suction side. The electrical equipment unit 60 introduces the discharge-side air of the blower 40 from the inlet port 61. And the electrical equipment unit 60 flows out the air which flowed in from the outlet 62 to the blower 40 suction side.

When the blower 40 blows out air, the air pressure of the blower 40 suction side in the casing 20 becomes a pressure lower than atmospheric pressure (that is, negative pressure). On the other hand, the blower-side air pressure of the blower 40 becomes a pressure higher than atmospheric pressure (that is, static pressure).

Thereby, the discharge side air of the blower 40 flows in from the inlet 61 of the electrical component unit 60 by the differential pressure of the air on the discharge side of the blower 40, and the suction side air. The inflowed air passes through the interior of the electrical equipment unit 60 and flows out from the outlet 62 to the suction side of the blower 40.

4th invention is any one of the said, 1st-3rd invention WHEREIN: The said 1st chamber 2b of the upper part in which the said blower 40 and the electrical equipment unit 60 are arrange | positioned at the said casing 20, and the said Stay 20a, 20d which supports the bottom part of the said electrical equipment unit 60 is provided between the lower 2nd chamber 2a in which the outdoor heat exchanger 30 is arrange | positioned.

In the fourth invention, the casing 20 is provided with an upper first chamber 2b and a lower second chamber 2a than the first chamber 2b. And the blower 40 and the electrical equipment unit 60 are arrange | positioned at the 1st chamber 2b, and the outdoor heat exchanger 30 is arrange | positioned at the 2nd chamber 2a. The casing 20 is provided with stays 20a and 20d between the first chamber 2b and the second chamber 2a. These stays 20a and 20d support the bottom of the electrical equipment unit 60.

In the fourth invention, in the fourth invention, the outlet port 62 is formed at the bottom of the electrical component unit 60, while the air flows out of the outlet port 62 in the stays 20a and 20d. The air hole 28 which introduce | transduces into the 2nd chamber 2a is formed.

In the fifth invention, the electrical outlet unit 60 is provided with an outlet port 62 at the bottom. Moreover, the air hole 28 is formed in the stay 20a, 20d.

When the blower 40 blows out air, the air pressure of the 2nd chamber 2a in the casing 20 will become a pressure lower than atmospheric pressure (namely, negative pressure). On the other hand, the blower-side air pressure of the blower 40 is higher than the atmospheric pressure (that is, the static pressure).

Thereby, by the pressure difference between the air of the 1st chamber 2b and the air of the 2nd chamber 2a, the air of the 1st chamber 2b in the casing 20 is discharged | emitted from the inlet 61 of the electrical component unit 60. FIG. Inflow. The air which flowed in flows out from the outlet 62 through the inside of the electrical equipment unit 60. The air which flowed out flows out into the 2nd chamber 2a of the casing 20 through the air hole 28 formed in the stay 20a, 20d.

According to a sixth aspect of the invention, in the fourth or fifth aspect of the invention, a wiring opening 29 is formed in the stays 20a and 20d to allow electrical wiring extending from the electrical component unit 60 to pass therethrough.

In the sixth invention, the wiring openings 29 are formed in the stays 20a and 20d. The wiring opening 29 allows electrical wiring extending from the electrical component unit 60 to pass through.

In the fifth or sixth invention of the seventh invention, the outlet port 62 of the electrical component unit 60 and the air port 28 of the stays 20a and 20d are arranged to be offset from each other in the horizontal direction.

In the seventh aspect of the invention, the outlet port 62 of the electrical equipment unit 60 and the air port 28 of the stays 20a and 20d are arranged so as to be shifted from each other in the horizontal direction. That is, when viewed from above, the openings of the outlet 62 and the air port 28 are not overlapped. Therefore, for example, even if water on the side of the second chamber 2a flows into the first chamber 2b side via the air opening 28, the outlet 62 is shifted in the horizontal direction from the air opening 28. Moisture hardly reaches the inside of the electrical equipment unit 60 via the outlet 62.

In the eighth invention, in any one of the fourth to seventh inventions, the electrical component unit 60 is configured to be pulled out of the casing 20, and the outer shape is tapered in front of the drawing direction. It is formed in a tapered shape.

In the eighth invention, the electrical component unit 60 is configured to be pulled out of the casing 20. On the other hand, the electrical component unit 60 is formed in the taper shape from which an external shape becomes thin toward the inside from the front of a drawing direction. By doing so, it is easy to pull out the electrical component unit 60 outside the casing 20.

In the ninth invention, in any one of the fourth to eighth, the electrical equipment unit 60 has an inner side formed along an outer circumference of the bell mouth 43.

In the ninth invention, the inner surface of the electrical equipment unit 60 is formed along the outer circumference of the bell mouth 43. This makes it easier to install the electrical equipment unit 60 around the bell mouse 43.

In the first and second inventions described above, the electrical equipment unit 60 is disposed at the periphery of the bell mouse 43 so as to widen the space below the bell mouse 43. Thereby, maintenance of the apparatuses installed below the bell mouse 43 of the casing 20 can be performed, without removing the electrical component unit 60 from the casing 20.

Further, for example, a member such as a compressor can be disposed below the bell mouth 43 of the casing 20. Accordingly, the outdoor unit of the refrigerating device can be downsized in the height direction.

According to the said 3rd invention, since the outlet 62 which communicates with the suction side of the blower 40, and the inlet 61 which communicates with the discharge side of the blower 40 are formed in the electrical equipment unit 60, the electrical component unit 60 is carried out. The differential pressure between the air at the inlet 61 of the inlet and the air at the outlet of the outlet 62 can be increased. Thereby, the air volume of the air which flows inside the electrical component unit 60 can be increased. As a result, the electrical parts and the like inside the electrical component unit 60 can be sufficiently cooled.

According to the fourth invention, since the stays 20a and 20d are provided, the bottom of the electrical component unit 60 can be supported. In this way, the electrical component unit 60 can be stably held in the casing 20.

According to the fifth invention, the outlet port 62 is formed at the bottom of the electrical component unit 60, while the air outlet 28 is formed in the stays 20a and 20d, so that the outlet port of the electrical component unit 60 is formed. The air flowing out from 62 can be sent to the second chamber 2a of the casing 20 through the air port 28.

According to the sixth invention, since the wiring opening 29 is formed, the electrical wiring extending from the electrical component unit 60 can be extended to the second chamber 2a side. Thereby, the electrical component of the member installed below the blower 40 of the casing 20 can be wire-connected in the electrical component unit 60. FIG.

According to the seventh aspect of the present invention, since the outlets 62 of the electrical equipment unit 60 and the air holes 28 of the stays 20a, 20d are arranged so as not to overlap the openings when viewed from above, the second chamber 2a is provided. Even if the water flows into the first chamber 2b side through the air port 28 from the side, it is possible to make it difficult to reach the inside of the electrical component unit 60.

According to the eighth invention, the electrical component unit 60 is configured to be pulled out of the casing 20 so as to be pulled out, and formed in a tapered shape tapering inward from the front in the drawing direction. The electrical appliance unit 60 can be easily pulled out. Thereby, the maintainability of the electrical component unit 60 can be improved.

According to the ninth invention, since the inner surface of the electrical equipment unit 60 is formed along the outer circumference of the bell mouse 43, it is possible to easily install the electrical equipment unit 60 around the bell mouse 43. For example, a member such as a compressor can be disposed below the bell mouth 43 of the casing 20. Accordingly, the outdoor unit of the refrigerating device can be miniaturized.

1 is a perspective view of an outdoor unit according to the first embodiment.
Fig. 2 is a perspective view showing a part of the outdoor unit according to the first embodiment with a part omitted.
3 is a perspective view showing a part of the outdoor unit according to the first embodiment with a part omitted.
4 is a schematic cross-sectional view showing the electrical equipment unit according to the first embodiment.
FIG. 5: is a perspective view which abbreviate | omits a part of electrical equipment unit which concerns on 1st Embodiment.
6 is a perspective view of the outdoor unit according to the second embodiment.
Fig. 7 is a perspective view showing a part of the outdoor unit according to the second embodiment by omitting it.
Fig. 8 is a perspective view showing a part of the outdoor unit according to the second embodiment, with a part omitted.
9 is a schematic cross-sectional view showing the electrical equipment unit according to the second embodiment.
FIG. 10: is a perspective view which abbreviate | omits a part of electrical equipment unit which concerns on 2nd Embodiment.
FIG. 11: is a side view which abbreviate | omits the one part of the electrical equipment unit which concerns on 2nd Embodiment.
12 is a perspective view showing a part of the electrical equipment unit according to the second embodiment, with a part omitted.
Fig. 13 is a view of the outdoor unit according to the third embodiment as seen from the right side.
Fig. 14 is a diagram showing the internal structure of the electrical equipment unit according to the third embodiment.
15 is a perspective view of the electrical equipment unit according to the third embodiment.
It is a perspective view which looked at the electrical equipment unit which concerns on 3rd Embodiment from the lower side.
17 is a diagram of the electrical equipment unit according to the third embodiment as seen from the front side.
Fig. 18 is a diagram showing the air flow in the outdoor unit according to the third embodiment.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

≪ First Embodiment >

1-3, the outdoor unit 10 of 1st Embodiment is used for the air conditioner which is a refrigeration apparatus, Although not shown in figure, an indoor unit is connected and comprises the steam compression type refrigeration cycle.

The outdoor unit 10 is installed on, for example, a roof of a building, and includes a casing 20, an outdoor heat exchanger 30, an outdoor fan 40, and a compression mechanism 50.

The casing 20 is formed in a rectangular shape in plan view and includes four struts 21, a bottom plate 22, a side panel 23, and a top board 24.

The four pillars 21 are provided at four corners, and the bottom plate 22 is fixed to the lower portion.

The side panel 23 forms an upper panel 23a which forms four upper surfaces of the casing 20, and a front surface of the lower half of the casing 20. Moreover, it is provided with the front side panel 23b which forms a left half, and the horizontal side panel 23c which forms the transverse side surface of the lower half of the casing 20, and forms a front half. . In addition, a suction port 25 is formed on the side surface of the casing 20 on the right half of the lower half front, on the right side of the lower half, on the rear half of the lower half, and on the rear half of the horizontal side on the lower half of the lower half. This intake port 25 constitutes an air intake port according to the present invention.

Moreover, the said top plate 24 is fixed to the upper end of the support | pillar 21, and the blower outlet 26 is formed and is provided with the grill 24a which coats the blower outlet 26. As shown in FIG.

The outdoor heat exchanger (30) is a fin and tube heat exchanger and is configured to heat exchange the outdoor air and the refrigerant. The outdoor heat exchanger 30 is provided in a state of standing up and down, and is configured of a bent heat exchanger that extends to all sides of the casing 20. In addition, a predetermined opening 3a is formed between both side ends of the outdoor heat exchanger 30 with the left corner portion of the front side of the casing 20 interposed therebetween. That is, the casing 20 is provided with the front panel 23b and the horizontal panel 23c corresponding to the opening 3a of the outdoor heat exchanger 30.

The compressor plate 50, the oil separator 51, and the accumulator 52 are attached to the bottom plate 22, and the compressor device 50 is composed of two compressors 5a and 5b.

In addition, the casing 20 is located between the lower space 2a in which the outdoor heat exchanger 30 is accommodated and the upper space 2b in which the outdoor fan 40 is accommodated, and the front side extending in the horizontal direction. The stay 20a, the side stays 20b and 20d and the rear stay 20c are mounted on four sides. The front stay 20a will be described later. Moreover, the upper space 2b comprises the 1st chamber which concerns on this invention, and the lower space 2a comprises the 2nd chamber which concerns on this invention.

The air pressure flowing through the blower side of the outdoor fan 40 in the upper space 2b becomes a pressure higher than the atmospheric pressure (that is, a positive pressure). On the other hand, the lower space 2a is a space in which the suction side air of the outdoor fan 40 flows. The air pressure flowing through the lower space 2a becomes a pressure lower than the atmospheric pressure (that is, negative pressure).

The two outdoor fans 40 are provided, and are provided with the fan main body 41 which consists of a propeller fan, a fan motor (not shown), and the bell mouse 43. As shown in FIG. The fan main body 41 and the fan motor are attached to the front stay 20a and the rear stay 20c. In addition, the outdoor fan 40 constitutes a blower according to the present invention. Moreover, the fan main body 41 comprises the fan which concerns on this invention.

The bell mouth 43 includes a main body portion 44 formed in a cylindrical shape, and a base portion 45 formed in a substantially rectangular plate shape in plan view.

Four sides of the base portion 45 are attached to the stays 20a to 20d. The base part 45 is provided with the ventilation opening which becomes substantially the same diameter as the said main-body part 44 in the center.

In addition, the casing 20 is equipped with an electrical equipment unit 60 in which electrical equipment for controlling the compression mechanism 50 or the like is stored.

The electronic device unit 60 is disposed above the front surface of the outdoor heat exchanger 30, and is disposed near the upper end of the outdoor heat exchanger 30, and has a bell of the upper panel 23a and the outdoor fan 40. It is installed between the mouse 43. Moreover, the electrical equipment unit 60 is arrange | positioned in the position where the lower end part is higher than the outdoor heat exchanger 30, and one part overlaps with the bell mouth 43 in the height direction. Here, the said electrical equipment unit 60 comprises the electrical equipment unit which concerns on this invention.

Specifically, as shown in FIG. 2 and FIG. 4, the electrical component unit 60 is formed into a substantially rectangular flat box, and is supported by the front stay 20a from below and attached to the casing 20. In addition, although not shown, the bottom part of the electrical component unit 60 is provided with the leg part in four corners, and the bottom part of the electrical component unit 60 is arrange | positioned slightly apart from the surface of the front side stay 20a.

The bulging part 64 which expands toward the back is formed in the back surface of the electrical component unit 60. As shown in FIG. Inside the bulge 64, a reactor 71, which is a heat generating member, is provided. Moreover, the control board 70 etc. which control the compressors 5a and 5b etc. are accommodated in the electrical component unit 60. As shown in FIG.

Moreover, the electrical equipment unit 60 is provided with the inflow port 61 which inflows air into the inside of the electronics unit 60, and the outflow port 62 which outflows air to the exterior.

The inlet 61 has an opening and is formed on the rear side of the electrical component unit 60. This inlet 61 communicates the internal space of the electrical equipment unit 60 and the blower side of the outdoor fan 40 of the upper space 2b.

Specifically, as shown in FIG. 4 and FIG. 5, the inlet 61 has a slit 65 formed in the substantially lower portion of the rear bulge 64 of the electrical component unit 60, and a lower lower surface of the main body of the electrical component unit 60. It is comprised by the opening 66 formed in the wall part of the. The slit 65 constitutes the inlet of the inlet 61, and the opening 66 constitutes the outlet of the inlet 61, so that the inlet 61 can have a labyrinth structure, and the casing 20 The rainwater which penetrated into the inside) can be prevented from invading into the electrical equipment unit 60 more reliably.

The outlet 62 has an opening and is formed at the other end side in the longitudinal direction at the bottom of the electrical component unit 60. The outlet port 62 opens toward the interior space of the electronic device unit 60 and opens toward the front stay 20a. In addition, one end side of a longitudinal direction refers to the left side seen from the front of FIG. 1, and the other end side of the said longitudinal direction refers to the right side seen from the front of the same figure.

The said front side stay 20a is attached to the casing 20 front side, and comprises the stay which concerns on this invention. The front stay 20a is formed in a substantially rectangular flat plate shape in plan view. The front stay 20a is attached to two support posts 21 and 21 whose both ends are parallel to the casing 20 front side width direction, and is horizontally maintained. In the front stay 20a, the guide 27, the notch part 29, and the slit 28 are formed.

The guide 27 is for positioning the electrical equipment unit 60 between the outer surface of the bell mouse 43. This guide 27 protrudes upward from the upper surface of the front stay 20a, and is formed along the longitudinal direction at the rear end side of the upper surface of the front stay 20a.

The notch portion 29 is for extending the wiring (harness) and the refrigerant pipe extending from the inside of the electric component unit 60 to the lower space 2a, and constitutes the wiring opening according to the present invention. The notch part 29 is formed by cutting in a substantially rectangular shape with one end side in the longitudinal direction of the front end of the front stay 20a in plan view. In addition, the refrigerant pipe is formed of a tube through which a refrigerant flows, and is used to cool them by contacting a heat sink with a control substrate 70 and the like in the electronic device unit 60.

The said slit 28 is an opening for inflowing the air which flowed out from the outlet 62 of the electrical component unit 60 into the lower space 2a, and comprises the air hole which concerns on this invention. The slit 28 is formed at the other end side in the longitudinal direction on the front end side of the front stay 20a. In addition, the slit 28 and the outlet 62 of the electrical component unit 60 are arrange | positioned so that openings may not overlap when it sees from the upper side. That is, the slit 28 and the outlet 62 of the electrical component unit 60 are formed so that they may shift mutually in a horizontal direction. By doing so, the water flowing into the upper part of the front stay 20a from the lower space 2a via the slit 28 can be prevented from invading the interior of the electronic unit 60 through the outlet 62. have.

As mentioned above, in the casing 20, the upper space 2b and the lower space 2a are partitioned by each stay 20a-20d, the bell mouse 43, and the electrical equipment unit 60. As shown in FIG. Accordingly, in the casing 20, the upper space 2b is formed at the positive pressure, and the lower space 2a is formed at the negative pressure.

Airflow during operation of outdoor unit

During operation of the outdoor unit 10, by the operation of the outdoor fan 40, air outside the casing 20 from the inlet 25 passes through the outdoor heat exchanger 30 to the lower space 2a inside. Inflow. The inflowing air exchanges heat with the refrigerant flowing through the outdoor heat exchanger 30 when passing through the outdoor heat exchanger 30. The air flowing through the lower space 2a flows upward, flows into the upper space 2b, is sucked into the outdoor fan 40, and is blown out from the blower outlet 26.

The airflow inside the electronics unit

During operation of the outdoor unit 10, an air flow is also formed inside the electronic device unit 60 by the operation of the outdoor fan 40.

Specifically, as shown in FIG. 4 and FIG. 5, by the operation of the outdoor fan 40, the blowing side air pressure of the outdoor fan 40 of the upper space 2b becomes a static pressure higher than atmospheric pressure, while the lower space 2a ), The air pressure becomes a negative pressure lower than atmospheric pressure.

As a result, the air on the ejecting side of the outdoor fan 40 expands from the slit 65 of the inlet 61 by the air at the inlet 61 inlet of the electrical equipment unit 60 and the air differential pressure at the outlet of the outlet 62. (64) flows into the inside, passes through the swelling portion (64), and cools the reactor (71), and then flows into the interior of the electronic device unit (60) body from the opening (66). The air which flowed into the main body of the electric component unit 60 flows downward, cooling the internal control board 70 and the like. And the air which flows through the electrical equipment unit 60 flows out to the exterior of the electrical equipment unit 60 from the outlet 62 of a bottom part.

Next, a part of the air flowing out of the outlet 62 flows from the notch portion 29 of the front stay 20a to the lower space 2a, while the other portion passes through the slit 28 and the lower space 2a. Out).

The air flowing out into the lower space 2a is sucked into the outdoor fan 40, flows upward, and is blown out of the casing 20.

- Effect of the first embodiment -

According to the said 1st Embodiment, the electrical equipment unit 60 is arrange | positioned in the periphery of the bell mouse 43, and the space below the bell mouse 43 is expanded. Thereby, maintenance of the apparatuses installed below the bell mouse 43 of the casing 20 can be performed, without removing the electrical component unit 60 from the casing 20.

In addition, a member such as the compressor 5a can be disposed below the bell mouth 43 of the casing 20. As a result, the outdoor unit 10 of the refrigerating device can be downsized in the height direction.

In addition, below the bell mouth 43 of the casing 20, an option such as an active noise filter can be provided using a space at a position corresponding to the opening 3a of the outdoor heat exchanger 30. .

Next, since the outlet 62 which communicates with the suction side of the outdoor fan 40 and the inlet 61 which communicates with the discharge side of the outdoor fan 40 are formed in the electrical equipment unit 60, the inflow port of the electrical equipment unit 60 is formed. (61) The pressure difference can be increased between the air at the inlet and the air at the outlet 62. Thereby, the air volume of the air which flows inside the electrical component unit 60 can be increased. As a result, the control board 70 in the electrical component unit 60 can be cooled sufficiently.

Moreover, since the front side stay 20a is provided, the bottom part of the electrical component unit 60 can be supported. As a result, the electrical appliance unit 60 can be stably held in the casing 20.

Next, since the outlet port 62 is formed in the bottom of the electrical component unit 60, the slit 28 is formed in the front side stay 20a, and the air which flowed out from the outlet 62 of the electrical component unit 60 is slit. It may be supplied to the lower space (2a) of the casing 20 via the (28).

Moreover, since the notch part 29 is formed, the electric wiring extended from the electrical component unit 60 can be extended to the lower space 2a side. Thereby, the electrical component of the member installed below the outdoor fan 40 of the casing 20 can be wire-connected in the electrical component unit 60. FIG.

Lastly, when the outlet 62 of the electrical equipment unit 60 and the slit 28 of the front stay 20a are viewed from above, the openings do not overlap so that the slit 28 is lower from the lower space 2a side. Even if the water flows into the upper space 2b side through the gap, it may be difficult for the water to reach the inside of the electronic device unit 60.

≪ Second Embodiment >

Next, a second embodiment of the present invention will be described. 6-8, the outdoor unit 10 of 2nd Embodiment is used for the air conditioner which is a refrigeration apparatus, Although not shown in figure, an indoor unit is connected and comprises the vapor compression type refrigeration cycle.

The outdoor unit 10 is installed on, for example, a roof of a building, and includes a casing 20, an outdoor heat exchanger 30, an outdoor fan 40, and a compression mechanism 50.

The casing 20 is formed in a rectangular shape in plan view and includes four struts 21, a bottom plate 22, a side panel 23, and a top plate 24.

The four pillars 21 are provided at four corners, and the bottom plate 22 is fixed to the lower portion.

The side panel 23 includes an upper panel 23a that forms four upper surfaces of the casing 20 and a front panel that forms a front half of the lower half of the casing 20 and forms a left half of the casing 20. 23b) and the horizontal side panel 23c which forms the horizontal side surface of the lower half part of the casing 20, and forms a front half. In addition, a suction port 25 is formed on the side surface of the casing 20 on the right half of the lower half front, on the right side of the lower half, on the rear half of the lower half, and on the rear half of the horizontal side on the lower half of the lower half.

Moreover, the said top plate 24 is fixed to the upper end of the support | pillar 21, and the blower outlet 26 is formed and is provided with the grill 24a which coats the blower outlet 26. As shown in FIG.

The outdoor heat exchanger (30) is a fin and tube heat exchanger and is configured to heat exchange the outdoor air and the refrigerant. As shown in FIG.7 and FIG.8, the said outdoor heat exchanger 30 is installed in the state which stood up and down, and is comprised by the bending heat exchanger which extends over the whole side surface of the said casing 20. As shown in FIG. In addition, a predetermined opening 3a is formed between both side ends of the outdoor heat exchanger 30 with the left corner portion of the front side of the casing 20 interposed therebetween. That is, the casing 20 is provided with the front panel 23b and the horizontal panel 23c corresponding to the opening 3a of the outdoor heat exchanger 30.

A compression mechanism 50, an oil separator 51, and an accumulator 52 are attached to the bottom plate 22, and the compression mechanism 50 is constituted by one compressor 5a.

In addition, the casing 20 is located between the lower space 2a in which the outdoor heat exchanger 30 is accommodated and the upper space 2b in which the outdoor fan 40 is accommodated, and the front side extending in the horizontal direction. The stay 20a, the right stay 20b, the left stay 20d, and the rear stay 20c are mounted on four surfaces. The left stay 20d will be described later. Moreover, the upper space 2b comprises the 1st chamber which concerns on this invention, and the lower space 2a comprises the 2nd chamber which concerns on this invention.

The air pressure flowing through the blower side of the outdoor fan 40 in the upper space 2b becomes a pressure higher than the atmospheric pressure (that is, a positive pressure). On the other hand, the lower space 2a is a space in which the suction side air of the outdoor fan 40 flows. The air pressure flowing through the lower space 2a becomes a pressure lower than the atmospheric pressure (that is, negative pressure).

The outdoor fan 40 includes a fan main body 41 composed of a propeller fan, a fan motor, and a bell mouse 43. The fan main body 41 and the fan motor are attached to the front stay 20a and the rear stay 20c.

The bell mouth 43 includes a main body portion 44 formed in a cylindrical shape, and a base portion 45 formed in a substantially rectangular plate shape in plan view.

Four sides of the base portion 45 are attached to the stays 20a to 20d. The base part 45 is provided with the ventilation opening which becomes substantially the same diameter as the said main-body part 44 in the center.

In addition, the casing 20 is equipped with an electrical equipment unit 60 in which electrical equipment for controlling the compression mechanism 50 or the like is stored. The electrical equipment unit 60 is disposed on the left stay 20d positioned on the left side with the casing 20 viewed from the front, and disposed near the upper end of the outdoor heat exchanger 30, and the casing 20 is viewed from the front with the left side. It is provided between the upper panel 23a located in the bell mouth 43 of the outdoor fan 40. Moreover, the electrical equipment unit 60 is arrange | positioned in the position where the lower end part is higher than the outdoor heat exchanger 30, and one part overlaps with the bell mouth 43 in the height direction.

As shown in FIGS. 9-12, the said electrical equipment unit 60 is formed in the box shape of a slightly thin and substantially rectangular parallelepiped shape, and the cross-sectional area of one side is formed larger than the cross-sectional area of the other side on the opposite side. The electrical equipment unit 60 is supported from below by the left stay 20d and is disposed along the left periphery of the bell mouth 43. And although not shown in the figure, the leg part is provided in each corner in the bottom part of the electrical equipment unit 60, and the bottom part of the electrical equipment unit 60 is arrange | positioned slightly apart from the upper surface of the left stay 20d. Here, in 2nd Embodiment, one side surface is a surface of the front side in the state in which the electrical component unit 60 was provided in the casing 20, and the other side surface is a back side (rear) surface.

In the electrical component unit 60, a first bulge 64a that expands toward the right direction in FIG. 7 is formed on a side of one side, while a second bulge 64b that expands toward the other side rear. Is formed. The reactor 71 which is a heat generating member is provided inside the first bulging portion 64a. Moreover, the control board 70 etc. which control the compressor 5a etc. are accommodated in the main body of the electrical component unit 60, and the like.

Moreover, the inner side surface of the electrical component unit 60 is formed in circular arc shape recessed part 63 along the outer periphery of the bell mouth 43 in plan view.

The electrical equipment, such as the control board 70 which controls the compressor 5a etc., is accommodated in the electrical equipment unit 60. As shown in FIG. In addition, the electrical equipment unit 60 is formed with a first inlet 61a, a second inlet 61b and a third inlet 61c for introducing air therein, and an outlet 62 for letting air out. .

The first inlet 61a has an opening, and is formed at an inner side of one side of the electrical component unit 60. The first inlet 61a communicates the internal space of the electrical equipment unit 60 with the ejecting side of the upper fan 2b outdoor fan 40.

Specifically, as shown in FIG. 9 and FIG. 10, the first inlet 61a includes a slit 65 formed below the first bulge 64a on the side of the electrical component unit 60 and the main body side of the electrical component unit 60. It is constituted by an opening 66 formed in the upper portion of the wall. The slit 65 constitutes the inlet of the first inlet 61a, and the opening 66 constitutes the outlet of the first inlet 61a, whereby the first inlet 61a can be made a labyrinth structure. Rainwater invading into the casing 20 from the jet port 26 can be prevented from invading into the electrical equipment unit 60 more reliably.

The said outlet 62 has an opening and is formed in the rear end of the longitudinal direction at the bottom of the electrical component unit 60. As shown in FIG. The outlet port 62 opens toward the interior space of the electrical equipment unit 60 and opens toward the left stay 20d.

The second inlet 61b has an opening and is formed at the other side of the electrical component unit 60. This second inlet port 61b communicates the internal space of the electrical equipment unit 60 and the outdoor fan 40 ejection side of the upper space 2b.

Specifically, as shown in FIGS. 11 and 12, the second inlet 61b includes a slit 65 formed below the second bulging portion 64b on the other side of the electrical component unit 60, and the electrical component unit 60. It is comprised by the opening 66 formed in the other side part of a main body. The slit 65 constitutes the inlet of the second inlet 61b, and the opening 66 constitutes the outlet of the second inlet 61b, whereby the second inlet 61b can be a labyrinth structure. Rainwater invading into the casing 20 from the jet port 26 can be prevented from invading into the electrical equipment unit 60 more reliably.

The third inlet 61c has a plurality of slits, and is formed at substantially the upper side of the left side of the electrical component unit 60 of FIG. 7.

The left stay 20d is mounted on the left side of the casing 20 and constitutes a stay according to the present invention. The left stay 20d is formed in a substantially rectangular flat plate shape in plan view. Both left and right ends of the left stay 20d are attached to two support posts 21 and 21 which are parallel to the front side and the back side of the left side of the casing 20 and are held horizontally. In the left stay 20d, a guide (not shown), notches 29 and slits 28 are formed.

The guide is for positioning the electrical equipment unit 60 between the outer surface of the bell mouse 43. This guide protrudes upward from the upper surface of the left stay 20d, and is formed along the longitudinal direction in the left end part of the upper surface of the left stay 20d.

The notch portion 29 extends the wiring (harness) and the refrigerant pipe extending from the inside of the electric component unit 60 to the lower space 2a, and constitutes the wiring opening according to the present invention. The notch part 29 is formed by cut | disconnecting substantially rectangular in front view of the longitudinal front end of the left stay 20d. In addition, the refrigerant pipe is formed of a tube through which a refrigerant flows, and is intended to cool them by being brought into contact with a heat sink and the like for the control substrate 70 in the electrical component unit 60.

The said slit 28 is an opening which inflows the air which flowed out from the outlet 62 of the electrical component unit 60 into the lower space 2a, and comprises the air hole which concerns on this invention. The slit 28 is formed at the rear end side in the longitudinal direction of the left stay 20d. In addition, the slit 28 and the outlet 62 of the electrical component unit 60 are arrange | positioned so that openings may not overlap when it sees from the upper side. That is, the slit 28 and the outlet 62 of the electrical component unit 60 are formed so that they may shift mutually in a horizontal direction. In this way, water flowing from the lower space 2a to the upper portion of the left stay 20d via the slit 28 can be prevented from invading the interior of the electrical unit 60 through the outlet 62. .

As mentioned above, in the casing 20, the upper space 2b and the lower space 2a are partitioned by each stay 20a-20d, the bell mouse 43, and the electrical equipment unit 60. As shown in FIG. Accordingly, in the casing 20, the upper space 2b is formed at the positive pressure, and the lower space 2a is formed at the negative pressure.

How to attach and remove the electronics unit

The attachment / detachment method to the casing 20 of the said electrical equipment unit 60 is demonstrated. When attaching the electrical component unit 60 to the casing 20, it is mounted so that it may be pushed toward the back side from the front side along the left side stay 20d, in the state which removed the upper side panel 23a of the front side.

On the other hand, when removing the electrical equipment unit 60 from the casing 20, it removes by pulling out from the back side toward the front side along the left side stay 20d, in the state which removed the front upper panel 23a. .

Internal airflow of electronics unit

During operation of the outdoor unit 10, an air flow is also formed inside the electronic device unit 60 by the operation of the outdoor fan 40.

Specifically, as shown in Figs. 9 to 12, by the operation of the outdoor fan 40, the blowing side air pressure of the outdoor fan 40 of the upper space 2b becomes a static pressure higher than atmospheric pressure, while the lower space 2a ), The air pressure becomes a negative pressure lower than atmospheric pressure.

Thereby, by the pressure difference between the air of the inlet of the 1st inlet 61a of the electrical equipment unit 60, and the air of the outlet of the outlet 62, the blower-side air of the outdoor fan 40 intercepts the electrical equipment of the 1st inlet 61a. After flowing into the first swelling portion 64a of the unit 60, passing the first swelling portion 64a to cool the reactor 71, and then, inside the main body of the electrical component unit 60 from the opening 66. Flows into. The air which flowed into the main body of the electric component unit 60 flows downward, cooling the internal control board 70 and the like. And the air which flows through the electrical equipment unit 60 flows out to the exterior of the electrical equipment unit 60 from the outlet 62 of a bottom part.

Further, due to the differential pressure between the air at the inlet of the second inlet 61b and the air at the outlet of the outlet 62, the blower-side air of the outdoor fan 40 passes through the second inlet 61b to remove the air from the electrical component unit 60. 2 flows into the expanded portion 64b, passes through the second expanded portion 64b, and flows from the opening 66 into the interior of the electronic device unit 60 main body. The air flowing into the main body of the electric component unit 60 flows downward while cooling the internal control substrate 70 and the like. And the air which flows through the electrical equipment unit 60 flows out to the exterior of the electrical equipment unit 60 from the outlet 62 of a bottom part.

Due to the differential pressure of the air at the inlet of the third inlet 61c and the outlet of the outlet 62, the blower-side air of the outdoor fan 40 enters the interior of the main body of the electronic device unit 60 via the third inlet 61c. It flows in and flows downward while cooling the internal control substrate 70 and the like. And the air which flows through the electrical equipment unit 60 flows out to the exterior of the electrical equipment unit 60 from the outlet 62 of a bottom part.

Part of the air flowing out of the outlet port 62 flows out from the notch portion 29 of the left stay 20d together with the rest via the slit 28 to the lower space 2a.

The air flowing out into the lower space 2a is sucked into the outdoor fan 40, flows upward, and is blown out of the casing 20.

Effects of the Second Embodiment

According to the said 2nd Embodiment, since the left stay 20d is provided, the bottom part of the electrical component unit 60 can be supported. As a result, the electrical appliance unit 60 can be stably held in the casing 20.

Moreover, since the outlet port 62 is formed in the bottom of the electrical component unit 60, and the slit 28 is formed in the left stay 20d, the air which flowed out from the outlet 62 of the electrical component unit 60 is slit ( 28 can be sent to the lower space (2a) of the casing (20).

Moreover, since the notch part 29 is formed, the electric wiring extended from the electrical component unit 60 can be extended to the lower space 2a side. Thereby, the electrical component of the member installed below the outdoor fan 40 of the casing 20 can be wire-connected in the electrical component unit 60. FIG.

Next, when the outlet 62 of the electrical equipment unit 60 and the slit 28 of the left stay 20d are viewed from above, the openings do not overlap with each other, and thus the slit 28 from the lower space 2a side. Even if the water flows into the upper space 2b side through the gap, it may be difficult for the water to reach the inside of the electronic device unit 60.

In addition, since the electrical component unit 60 is configured to be pulled out of the casing 20 and formed in a tapered shape that is tapered from the front in the drawing direction to the inside, the electrical component unit 60 is provided outside the casing 20. I can make it easy to withdraw it. Thereby, the maintainability of the electrical component unit 60 can be improved.

Finally, since the inner surface of the electrical equipment unit 60 is formed along the outer periphery of the bell mouse 43, the electrical equipment unit 60 can be easily installed around the bell mouse 43. FIG. A space can be provided below the bell mouth 43 of the casing 20 so that another member can be arrange | positioned. Accordingly, the outdoor unit 10 of the refrigerating device can be miniaturized. Other configurations, actions and effects are the same as in the first embodiment.

≪ Third Embodiment >

Next, a third embodiment of the present invention will be described. The structure of the electrical equipment unit 60 differs in 3rd Embodiment and said 1st Embodiment. In addition, in 3rd Embodiment, only the part different from 1st Embodiment is demonstrated, and description about a common part is abbreviate | omitted.

As shown in FIG. 13, the casing 20 is equipped with the electrical equipment unit 60 in which the electrical equipment for controlling the compression mechanism 50 etc. is accommodated. The electric appliance unit 60 is disposed above the front surface of the outdoor heat exchanger 30, and is disposed near the upper end of the outdoor heat exchanger 30, and the upper panel 23a and the outdoor fan ( It is provided between the bell mouse 43 of 40). The top plate 24 of the casing 20 is disposed above the electrical component unit 60. Moreover, the electrical equipment unit 60 is arrange | positioned in the position where the lower end part is upper part than the outdoor heat exchanger 30, and one part overlaps with the bell mouth 43 in the height direction. The electrical equipment unit 60 is formed such that its height is higher than that of the bell mouth 43.

As shown in FIGS. 14-16, the said electrical equipment unit 60 is formed in a substantially rectangular flat box body, is supported by the front side stay 20a from below, and is attached to the casing 20. As shown in FIG. In addition, although not shown, the bottom part of the electrical equipment unit 60 is provided with the leg part in four corners, and is arrange | positioned slightly from the bottom part of the electrical equipment unit 6, and the surface of the front side stay 20a.

The electronic device unit 60 is provided with a first inlet 61a and a second inlet 61b for introducing air therein and an outlet 62 for allowing air to flow outside. Specifically, the first inlet port 61a and the second inlet port 61b each have a plurality of slits, and are formed at approximately the upper side of the front surface of the electrical equipment unit 60 of FIG. 15. The first inlet 61a has a plurality of slits arranged in five rows, and is formed on the right side of the electrical component unit 60. The second inlet 61b has a plurality of slits arranged in one row, and is formed on the left side of the electrical equipment unit 60.

The said outlet 62 has an opening which distribute | circulates air, and is formed in the right side (the other end side in the length direction) at the bottom of the electrical component unit 60. As shown in FIG. The outlet 62 opens toward the inner space of the electrical equipment unit 60, and opens toward the left stay 20d in a state where the electrical equipment unit 60 is installed in the casing 20.

First to third end seals 81, 82, 83, and first and second contact members 85, 85 are disposed on the upper surface of the electrical component unit 60.

The first and second contact members 84 and 85 are members for preventing the top plate 24 from coming into contact with the electrical component unit 60 due to vibration or the like. The first and second contact members 84 and 85 are formed in a substantially inverted " c " shape when viewed in cross section, respectively, and the upper and lower portions of the main body portion 86 and the main body portion 86 are substantially rectangular. It consists of two flange parts 87 and 87 extending horizontally from an end part.

The 1st contact member 84 is arrange | positioned corresponding to the area | region where the 1st inflow port 61a is not formed in the upper surface right side of the electrical component unit 60. FIG.

The 2nd contact member 85 is arrange | positioned corresponding to the area | region where the 1st inflow port 61a and the 2nd inflow port 61b are not formed in the upper surface left side of the electrical component unit 60. FIG.

As for the 1st and 2nd contact members 84 and 85, the longitudinal direction of the flange part 87 is arrange | positioned in the direction along the width direction of the electrical component unit 60. As shown in FIG. The first and second contact members 84 and 85 are provided with a surface sealing material 88 formed in a substantially rectangular plane on the upper surface of the body portion 86. The first and second contact members 84 and 85 contact the top plate 24 of the casing 20 via the face sealing members 88 and 88. By doing in this way, the sound (contact sound) by the direct contact of the top plate 24 and the electrical equipment unit 60 can be prevented.

Moreover, the air passage is formed in the 1st and 2nd contact members 84 and 85 between the inner surface of the main-body parts 86 and 86, and the upper surface of the electrical component unit 60. As shown in FIG. The blowing side air of the outdoor fan 40 flows into the front side space of the electrical equipment unit 60 through this air passage.

The first to third end seals 81, 82, and 83 are for preventing the ingress of water into the first and second inlets 61a, 61b. The first to third end seals 81, 82, and 83 are each composed of a sealing piece whose cross section is formed substantially in an "L" shape. Each end seal 81, 82, 83 is formed along a front end portion of the upper surface of the electrical component unit 60. Each end seal 81, 82, 83 is arrange | positioned in the state in which the upper surface ("L" shaped one side) contacted the top plate 24. As shown in FIG.

Specifically, the first end seal 81 is formed in a size corresponding to the first contact member 84 from the right end of the electrical component unit 60. The second end seal 82 is formed to have a dimension corresponding to the range in which the first inlet 61a is formed, and is disposed directly above the first inlet 61a. The third end seal 83 is formed in a dimension corresponding to the range in which the second inlet 61b is formed, and is disposed directly above the second inlet 61b.

Moreover, the control board 70 etc. which control the compressor 5a etc. are accommodated in the electrical component unit 60. As shown in FIG.

Internal airflow of electronics unit

During operation of the outdoor unit 10, an air flow is also formed inside the electronic device unit 60 by the operation of the outdoor fan 40.

Specifically, as shown in FIG. 17 and FIG. 18, by the operation of the outdoor fan 40, the blowing side air pressure of the outdoor fan 40 of the upper space 2b becomes a static pressure higher than atmospheric pressure, while the lower space 2a ), The air pressure becomes a negative pressure lower than atmospheric pressure.

Thus, as shown in FIG. 15, the blower-side air of the outdoor fan 40 is controlled by the air at the inlet of the first and second inlets 61a and 61b of the electrical equipment unit 60 and the air differential pressure at the outlet of the outlet 62. A. The air passages of the first and second contact members 84 and 85 and the upper left side of the upper surface of the electrical component unit 60 flow from the rear side of the electrical component unit 60 toward the front side. The air which flowed to the electrical equipment unit 60 front side flows back into the front surface of the electrical equipment unit 60, and flows in into the electrical equipment unit 60 from the 1st and 2nd inflow openings 61a and 61b. The air flowing into the electrical equipment unit 60 flows downward while cooling the internal control substrate 70 and the like. And the air which flows through the electrical equipment unit 60 flows out to the exterior of the electrical equipment unit 60 from the outlet 62 of a bottom part.

Next, a part of the air flowing out of the outlet 62 flows from the notch portion 29 of the front stay 20a to the lower space 2a, while the other portion passes through the slit 28 and the lower space 2a. Out).

The air flowing out into the lower space 2a is sucked into the outdoor fan 40, flows upward, and is blown out of the casing 20. Other configurations, actions and effects are the same as in the first embodiment.

≪ Other Embodiments >

In addition, this invention may be set as the following structures with respect to the said 1st Embodiment.

When attaching the said electrical component unit 60 to the casing 20, you may slide along the left and right pillars 21 and 21, and may mount from the upper direction.

In addition, the present invention may be configured as follows with respect to the first to third embodiments.

In the said 1st and 3rd embodiment, although the electrical component unit 60 was comprised so that it might be supported from below by the front side stay 20a, this invention is not limited to this, The hole part is formed in the front side stay 20a, By inserting the lower part of the electrical component unit 60 into this hole part, you may comprise so that the electrical component unit 60 may be hold | maintained by the front side stay 20a. In this case, the electrical component unit 60 is hold | maintained in the state which the lower end part protruded below from the front side stay 20a.

In the second embodiment, the electrical component unit 60 is configured to be supported from below by the left stay 20d. However, the present invention is not limited thereto, and the hole is formed in the left stay 20d to form the hole. You may be comprised so that the electrical component unit 60 may be hold | maintained in the left stay 20d by inserting the lower part of the electrical component unit 60 in. In this case, the electrical component unit 60 is hold | maintained in the state which the lower end part protruded below from the left stay 20d.

In the said 1st-3rd embodiment, the inside of the casing 20 divides the upper space 2b and the lower space 2a by each stay 20a-20d, the bell mouse 43, and the electrical equipment unit 60. As shown in FIG. However, the present invention is not limited thereto, and the casing 20 may be partitioned between the upper space 2b and the lower space 2b with only the bell mouse 43.

Incidentally, in the first to third embodiments, the refrigerant pipe is brought into contact with the control substrate 70 and the heat sink to cool them. However, the present invention is not limited thereto. The components may be brought into contact with and cooled.

In the first to third embodiments, the electrical component unit 60 is supported from below by the stays 20a and 20d. However, the present invention is not limited thereto, and the electronic component unit 60 is supported by the support 21. It may be fixed to.

It is to be understood that the above-described embodiments are essentially preferred examples and are not intended to limit the scope of the invention, its application, or its use.

As described above, the present invention is useful for the outdoor unit of the refrigerating device.

2a: lower space 2b: upper space
20: casing 20a: front side stay
20d: Left Stay 25: Inlet
28: slit 29: notch
30: outdoor heat exchanger 40: outdoor fan
41: fan body 43: bell mouse
60: electronics unit 61: inlet
61a: first inlet 61b: second inlet
62: outlet

Claims (9)

A casing 20 having an air inlet 25 on the side, a blower 40 disposed above the air inlet 25 in the casing 20 to blow air upward, and the air inlet 25 In the outdoor unit of the refrigerating device having an outdoor heat exchanger (30) disposed opposite to),
The blower 40 includes a fan 41 and a bell mouth 43 formed to surround the outer circumference of the fan 41.
In the casing 20, an electrical equipment unit 60 located at the periphery of the bell mouse 43 is disposed.
An outdoor unit of a refrigeration apparatus, characterized in that. The method according to claim 1,
The electronic device unit 60 is disposed at a position where at least a portion thereof overlaps with the bell mouth 43 in the height direction, and a lower end thereof is higher than the outdoor heat exchanger 30.
An outdoor unit of a refrigeration apparatus, characterized in that. The method according to claim 1,
The electrical component unit 60 communicates with the discharge side of the blower 40 and communicates with the inlet 61 through which the air on the discharge side flows into the interior of the electronic unit 60, and the suction side of the blower 40. Having an outlet 62 for letting out the air in the electrical component unit 60,
An outdoor unit of a refrigeration apparatus, characterized in that. The method according to claim 1,
The casing 20 includes an upper first chamber 2b in which the blower 40 and the electrical component unit 60 are disposed, and a lower second chamber 2a in which the outdoor heat exchanger 30 is disposed. The stays 20a and 20d which support the bottom part of the said electrical equipment unit 60 are installed in between.
An outdoor unit, characterized in that. The method of claim 4,
The outlet 62 is formed at the bottom of the electrical appliance unit 60,
In the stays 20a and 20d, an air hole 28 for introducing air discharged from the outlet port 62 into the second chamber 2a is formed.
An outdoor unit of a refrigeration apparatus, characterized in that. The method of claim 4,
In the stays 20a and 20d, wiring openings 29 through which electric wirings extending from the electrical component unit 60 pass are formed.
An outdoor unit of a refrigeration apparatus, characterized in that. The method according to claim 5,
The outlet 62 of the said electric equipment unit 60 and the air opening 28 of the said stay 20a, 20d are mutually shifted in the horizontal direction.
An outdoor unit of a refrigeration apparatus, characterized in that. The method of claim 4,
The electronic device unit 60 is configured to be pulled out of the casing 20 and is formed in a tapered shape whose outer shape is tapered inward from the front in the drawing direction.
An outdoor unit of a refrigeration apparatus, characterized in that. The method of claim 4,
The electrical equipment unit 60, the inner surface is formed along the outer periphery of the bell mouse 43
An outdoor unit of a refrigeration apparatus, characterized in that.

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