JP6426428B2 - Outdoor unit of air conditioner - Google Patents

Description

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

  The outdoor unit of the conventional air conditioner is disclosed by patent document 1. FIG. The outdoor unit incorporates a compressor, a heat exchanger, a blower and an electrical component in a housing. The electrical component has a circuit board and is electrically connected to the compressor and the blower. A pipe connection portion for connecting a refrigerant pipe for air conditioning is provided on one side surface of the housing, and the side surface of the housing including the pipe connection portion is covered with a resin cover. At the lower part on the back side of the cover, an outlet for drawing out the refrigerant pipe connected to the pipe connection part to the outside of the cover is opened.

  Further, in order to improve the cooling effect of the electrical component incorporated in the housing, a vent hole is provided on the side surface of the housing, and an intake hole is provided on the cover. A shielding plate is provided between the vent hole and the intake hole, and the air flow introduced from the intake hole descends along the outer surface of the shielding plate and then rises along the inner surface of the shielding plate to flow into the vent hole. Moreover, the recessed part for handles is provided in the upper part of the cover. Further, the cover is fixed to the housing by inserting and sliding the engagement claws provided on the inner surface into the slit-like engagement holes formed on the side surfaces of the housing.

Patent 4391368

  According to the conventional outdoor unit described above, when strong wind pressure is applied to the outlet, raindrops and dust that enter the cover from the outlet ride on the air flow and enter the housing through the air vent, resulting in the electrical system of the electrical component There was a problem of failure.

  In addition, when a finger is inserted into a handle recess provided at the top of the cover to transport the outdoor unit, the weight of the outdoor unit deforms the cover and a gap is generated between the cover and the housing, causing raindrops and There was a problem that dust intruded into the cover.

  In addition, when the cover is slid after the engaging claw is inserted into the engaging hole, there is a gap in the engaging hole, and there is a problem that the noise inside the housing leaks to the outside through the gap.

  SUMMARY OF THE INVENTION In view of the above problems, the present invention provides an outdoor unit of an air conditioner capable of preventing the intrusion of raindrops and dust into the housing while allowing external air to flow into the housing to improve the cooling effect of the electrical component. With the goal.

  Further, in view of the above problems, the present invention provides an outdoor unit of an air conditioner in which a concave portion for a handle provided on an upper portion of a cover fixed to one side surface of the housing is unlikely to be deformed during transportation of the outdoor unit. With the goal.

  Another object of the present invention is to provide an outdoor unit of an air conditioner that prevents noise in the housing from leaking to the outside through the clearance of the engagement hole.

  In order to achieve the above object, the present invention is an air conditioner in which a compressor, a heat exchanger, a blower, and an electric part having a circuit board connected to the compressor and the blower in a housing In the outdoor unit, a pipe connection portion for connecting a refrigerant pipe and a vent hole opened above the pipe connection portion are formed on one side surface of the casing, and the vent hole and the pipe connection portion are covered. A cover in which an air intake hole and an outlet of the refrigerant pipe are opened, and a shield plate standing between the air hole and the air intake hole and having an upper end disposed above the air hole and the air intake hole A first shielding portion closing the space between the cover and the shielding plate below the air intake hole; a second shielding portion closing the space between the shielding plate and the housing below the vent hole; A third shielding portion for closing the space between the cover and the casing above the upper end of the plate; After the air flow flowing in from the air intake hole rises along the shielding plate, the air flow is bent downward between the upper end of the shielding plate and the third shielding portion, and is lowered along the shielding plate to It is characterized by being guided to the pores.

  According to this configuration, the raindrops and dust entering the cover from the outlet are blocked by the first, second and third shielding portions and do not reach the vent.

  Further, according to the present invention, in the outdoor unit of the air conditioner having the above-described configuration, a guide portion which is formed by a U-shaped rib which opens downward from the inner surface of the cover to guide the air flow flowing from the intake hole downward. , And the air flow after flowing out of the guide section rises along the shielding plate.

  Further, according to the present invention, in the outdoor unit of the air conditioner described above, the wall surface of the guide portion facing the side surface of the casing is formed by the shielding plate.

  In the outdoor unit of the air conditioner according to the present invention, the present invention further comprises a metal flameproof plate disposed on the inner surface side of the cover to cover the pipe connection portion, and the shielding plate is integrated by the flameproof plate. It is characterized by being formed in

  Further, according to the present invention, in the outdoor unit of the air conditioner having the above-described configuration, the casing includes a heat exchanger chamber in which the blower and the heat exchanger are disposed via a partition wall, the electrical component, and the compressor. The heat exchanger chamber and the machine chamber are communicated with each other through a communication hole provided in the electrical component section.

  Further, in order to achieve the above object, the present invention provides an outdoor unit of an air conditioner in which a compressor, a heat exchanger, and a blower are incorporated in a housing, wherein an opening is provided at the top of one side surface of the housing. At the same time, a pipe connection portion for connecting a refrigerant pipe is disposed at the lower portion, and a handle recess provided in a cover covering the pipe connection portion is inserted into the opening and an upper wall of the opening is an outer wall of the recess It is characterized in that it abuts on.

  According to this configuration, when the outdoor unit is lifted by inserting a finger in the recess, the upper wall of the opening of the housing is supported by the finger from the inside of the recess.

  Further, in the outdoor unit of the air conditioner according to the present invention, the upper wall of the opening forms a bent portion bent inside the housing, and the bent portion and the outer wall of the recessed portion are in surface contact with each other. It is characterized by

  Further, according to the present invention, in the outdoor unit of the air conditioner as set forth above, the bent portion is inclined upward toward the inside of the casing.

  Further, according to the present invention, in the outdoor unit of the air conditioner having the above-described configuration, the cover is fixed to the casing by sliding the cover upward after the recess is inserted into the opening.

  In the outdoor unit of the air conditioner of the present invention, the present invention is characterized in that the wire inside the casing is drawn between the housing and the cover through a gap between the opening and the recess. There is.

  Further, in order to achieve the above object, the present invention is an outdoor unit in which a compressor, a heat exchanger, and a blower are incorporated in a casing, and a pipe connection portion disposed on one side of the casing and connecting refrigerant piping. And a cover for covering the pipe connection portion, and the cover is fixed to the housing by inserting and sliding an engagement claw provided on the inner surface into a slit-like engagement hole formed on the side surface of the housing. On the inner surface of the cover, there are formed an annular outer peripheral rib disposed on the periphery and coming into contact with the casing, and a shielding rib projecting at the same height as the outer peripheral rib, the cover being fixed to the cover It is characterized in that when engaged, the engagement hole is surrounded.

  According to this configuration, the air flow flowing between the side surface of the housing and the inner surface of the cover is blocked by the shielding portion through the clearance of the engagement hole generated when the engagement claw is inserted and slid into the engagement hole. It does not flow between the side of the case and the inner surface of the cover.

  Further, according to the present invention, in the outdoor unit of the air conditioner described above, a part of the shielding portion is formed by the outer peripheral rib.

  According to the outdoor unit of the air conditioner of the present invention, the upper end of the shielding plate is disposed above the vent hole and the suction hole, the first shielding portion is closed between the cover and the shielding plate, and the shielding plate and the housing The space between the body and the body is closed by the second shielding portion, and the space between the cover and the housing is closed by the third shielding portion above the upper end of the shielding plate. Then, after the air flow flowing in from the intake hole rises along the shielding plate, it is bent downward between the upper end of the shielding plate and the third shielding portion, and is lowered along the shielding plate to be led to the vent. Thus, it is possible to prevent water droplets or dust that has intruded into the cover from the outlet into the casing through the vent.

  Further, according to the outdoor unit of the air conditioner of the present invention, when the finger is inserted into the recess and the outdoor unit is lifted, the upper wall of the opening of the housing is supported by the finger from the inside of the recess. Thereby, the weight of the outdoor unit applied to the cover is reduced, and deformation of the cover can be prevented.

  Further, according to the outdoor unit of the air conditioner of the present invention, the air flows between the side surface of the housing and the inner surface of the cover through the clearance of the engagement hole generated when the engagement claw is inserted and slid into the engagement hole. The air flow is blocked by the shield and does not flow between the side of the housing and the inner surface of the cover. This can prevent the generation of noise.

FIG. 2 is a front view of the outdoor unit according to the first embodiment of the present invention. The perspective view which shows the right side part from the back side of the outdoor unit which concerns on 1st Embodiment of this invention. The perspective view which shows the left side part from the back side of the outdoor unit which concerns on 1st Embodiment of this invention. The disassembled perspective view of the outdoor unit which concerns on 1st Embodiment of this invention. The disassembled perspective view which shows a part of right side part of the outdoor unit which concerns on 1st Embodiment of this invention from right side. The disassembled perspective view which shows a part of right side part of the outdoor unit which concerns on 1st Embodiment of this invention from left side. The perspective view which shows the inner surface of the cover which concerns on 1st Embodiment of this invention. The perspective view which shows the inner surface of the cover which concerns on 1st Embodiment of this invention. Explanatory drawing explaining the air flow path of the outdoor unit which concerns on 1st Embodiment of this invention. Explanatory drawing explaining the air flow path of the outdoor unit which concerns on 1st Embodiment of this invention. The perspective view which expands and shows the engaging claw which concerns on 1st Embodiment of this invention. The top view which expands and shows the engaging claw which concerns on 1st Embodiment of this invention. Sectional drawing which shows the state which inserted the engaging claw which concerns on 1st Embodiment of this invention in the engagement hole. The front sectional view of the crevice for the handles in the state where the cover concerning a 1st embodiment of the present invention was fixed to the case. The perspective view which shows the recessed part for handles which concerns on 1st Embodiment of this invention. The perspective view showing the crevice for handles concerning a 1st embodiment of the present invention from the back side. Explanatory drawing explaining the air flow path of the outdoor unit which concerns on 2nd Embodiment of this invention. Explanatory drawing explaining the air flow path of the outdoor unit which concerns on 3rd Embodiment of this invention.

First Embodiment
Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a front view of the outdoor unit 10, and FIGS. 2 and 3 are perspective views showing a right side portion and a left side portion of the outdoor unit 10 from the rear side. The outdoor unit 10 includes a rectangular parallelepiped casing 11. The casing 11 has an upper surface plate 11U at the top and a bottom surface plate 11D at the bottom. Further, a front plate 11F is disposed on the front of the circumferential surface of the housing 11, and a back plate 11B is disposed on the rear. The left side plate 11L is disposed on the left side, and the right side plate 11R is disposed on the right side. The left side plate 11L and the right side plate 11R are formed in an L shape when viewed from the top, and a part thereof is bent to the back side.

  An exhaust port 12 is opened at a central portion of a front plate 11F of the housing 11, and a circular grill 12a is attached to the exhaust port 12. A rear air intake 11BS is opened in the rear plate 11B, and a left air intake 11LS is opened in the left side plate 11L. Further, the right side air intake port 11RS is opened at a part of the back side of the right side plate 11R. The left side air intake 11LS and the right side air intake 11RS are formed in a lattice shape. In addition, concave portions 63R and 63L for handles are respectively provided on the right side plate 11R and the upper side of the left side plate 11L.

  FIG. 4 is an exploded perspective view of the outdoor unit 10, and FIGS. 5 and 6 are exploded perspective views showing a part of the right side portion of the outdoor unit 10. As shown in FIG. The blower 30 and the compressor 40 are not shown in FIGS. 5 and 6. A heat exchanger 24 is disposed on the back side inside the housing 11. The heat exchanger 24 is formed in a substantially U-shape (may be a substantially L-shape) when both ends are bent and viewed from above. The heat exchanger 24 is disposed to face the left side air intake 11LS, the back air intake 11BS, and the right side air intake 11RS, and the housing 11 is disposed via the left side air intake 11LS, the back air intake 11BS, and the right side air intake 11RS. Exposed to the outside.

  The partition wall 20 which isolates and divides the heat exchanger 24 in the inside of the housing 11 is provided upright from the bottom plate 11D. The partition wall 20 is L-shaped as viewed from the top, and divides between the blower 30 and the compressor 40 and wraps around the rear side of the compressor 40 to divide between the heat exchanger 24 and the compressor 40 . Thereby, the inside of the housing 11 is divided into the heat exchanger room 21 and the machine room 22 through the partition wall 20, the heat exchanger room 21 is disposed with the heat exchanger 24 on the back side, and the fan 30 on the front side. Is distributed.

  When the blower 30 is driven, outside air flows into the heat exchanger chamber 21 through the left side air intake 11LS, the back air intake 11BS, and the right side air intake 11RS due to the suction force. The inflowing external air is subjected to heat exchange by the heat exchanger 24, and flows through the heat exchanger chamber 21 to be blown out from the exhaust port 12 to the outside.

  Further, the machine room 22 is divided into upper and lower parts, the electrical component unit 50 is disposed at the upper portion, and the compressor 40 is disposed at the lower portion. The electrical unit 50 has a circuit board (not shown) and is electrically connected to the blower 30 and the compressor 40. The electrical component unit 50 performs operation control of the outdoor unit 10. In addition, on the outer surface of the right side plate 11R, a terminal 55 for drawing a power supply line or a control line from the outside of the outdoor unit 1 to the electrical component unit 50 is disposed.

  A heat sink (not shown) is provided on the bottom of the electrical component unit 50. The heat sink is provided with fins 51 on the heat exchanger chamber 21 side, and the fins 51 are exposed in the heat exchanger chamber 21. Thus, the fins 51 are cooled by the air flow flowing in the heat exchanger chamber 21. The heat generating component mounted on the circuit board is cooled via the heat sink and the fins 51.

  A vent 54 is provided in the right side plate 11R that forms the side wall of the machine room 22. In addition, the electrical component unit 50 is provided with a communication hole (not shown) for communicating the heat exchanger chamber 21 with the machine chamber 22. Thus, when the blower 30 is driven, air in the machine chamber 22 is drawn into the heat exchanger chamber 21 through the communication hole. By this suction force, the outside air can be drawn into the machine room 22 through the air holes 54 to improve the cooling effect of the electrical component unit 50.

  An opening 53 is opened at the upper part of the outer surface of the right side plate 11R, and a pipe connection part 52 for connecting two refrigerant pipes (not shown) is arranged at the lower part of the outer surface. Further, a vent 54 is disposed between the opening 53 and the pipe connection 52. The opening 53, the pipe connection 52 and the vent 54 are covered by a resin cover 60. At this time, the outer wall 63RO of the recess 63R for the handle is inserted into the opening 53.

  The pipe connection portion 52 has a two-way valve 52a and a three-way valve 52b, and a refrigerant pipe is connected via the two-way valve 52a and the three-way valve 52b. During the cooling operation, the liquid refrigerant flows through the refrigerant pipe connected to the two-way valve 52a. On the other hand, gaseous refrigerant flows through the refrigerant piping connected to the three-way valve 52b during the cooling operation.

  7 and 8 are perspective views showing the inner surface side of the cover 60, and FIG. 8 shows a state in which the flameproof plate 70 is inserted. The lower portion of the cover 60 is formed with an expanded portion 65 which covers the two-way valve 52a and the three-way valve 52b, and an outlet 65a is opened on the back side of the expanded portion 65. The power supply line and control line connected to the refrigerant pipe and the terminal 55 connected to the pipe connection 52 through the outlet 65 a are drawn out of the cover 60. An upper portion of the cover 60 is provided with a recessed portion 63R for a handle, and an intake hole 64 communicating with the vent hole 54 is provided between the recessed portion 63R and the bulging portion 65.

  A metal flameproof plate 70 is disposed between the right side plate 11R and the cover 60. The lower portion of the flameproof plate 70 is formed with a bulged portion 75 for covering the pipe connection portion 52. The bulge portion 75 of the flameproof plate 70 is inserted into the bulge portion 65 of the cover 60. When a fire occurs around the outdoor unit 10, the flameproof plate 61 prevents a flame from entering the casing 11 from the pipe connection portion 52.

  A shield plate 71 is formed integrally with the flameproof plate 70 at the top of the flameproof plate 70. The shielding plate 71 is erected between the vent hole 54 and the intake hole 64, and the upper end of the shielding plate 71 is located above the vent hole 54 and the intake hole 64.

  An upper rib 67 is provided above the intake hole 64 on the inner surface side of the cover 60. At both ends of the upper rib 67, there are provided side ribs 68 which extend downward through the sides of the air intake holes 64, and the upper ribs 67 and the side ribs 68 are formed in a U shape having an open downward. Further, a lower rib (first shielding portion) 69 is provided below the side rib 68. The upper rib 67, the side rib 68 and the lower rib 69 project from the inner surface of the cover 60 and abut on the outer surface of the shielding plate 71.

  Thereby, the guide part 90 (refer FIG. 9) which makes the upper rib 67 an upper wall, makes the side rib 68 a side wall, and makes a part of outer surface of the shielding board 71 a peripheral wall is formed. The guide portion 90 guides the air flow that has flowed in from the intake hole 64 to the lower side of the shielding plate 71. At this time, since the wall surface of the guide portion 90 is formed by the shielding plate 72, the distance between the shielding plate 72 and the inner surface of the cover 60 can be shortened. Therefore, the outdoor unit 10 can be miniaturized. When the flameproof plate 70 and the shielding plate 71 are integrally formed and the space between the cover 60 and the shielding plate 61 is closed by the flameproof plate 70, the lower rib 69 may be omitted. .

  Below the air vent 54, a shielding portion (second shielding portion) 72 for closing the space between the shielding plate 71 and the right side plate 11R is provided. The shielding portion 72 prevents raindrops and dust that have flowed into the cover 60 from the outlet 65 a from entering the vent 54. Further, on the inner surface side of the cover 60, a rib (third shielding portion) 73 which is disposed above the upper end of the shielding plate 71 and closes the gap between the cover 60 and the right side plate 11R is provided. The rib 73 prevents raindrops and dust that have flowed into the cover 60 from entering the housing 11 through the opening 53.

  FIGS. 9 and 10 are explanatory views for explaining the air flow passage A communicating the air vent 54 and the air intake hole 64, and FIG. 9 is a plan view of the cover 60 showing the air intake hole 64 from the inner surface side. FIG. 10 is a front cross-sectional view of the air flow passage A in a state in which the cover 60 is fixed to the right side plate 11R. The air flow that has entered the air flow path A from the intake hole 64 descends along the guide portion 90. The air flow which descends the guide portion 90 and flows out of the guide portion 90 is shielded by the lower rib 69 and flows laterally along the lower rib 69. The air flow that has flowed sideways goes around the lower end of the side rib 68 and rises along the outer surface of the shielding plate 71 outside the side rib 68.

  The air flow rising outside the side rib 68 is bent between the upper end of the shielding plate 71 and the rib (third shielding portion) 73 and descends along the inside of the shielding plate 71 to be stored via the vent 54. It flows into the body 11. By bending the air flow path A up and down a plurality of times, it is possible to further reduce water droplets entering the air vent 54 from the air inlet 64.

  11 and 12 are an enlarged perspective view and a top view of the engagement claw 66, and FIG. 13 is a cross-sectional view showing the engagement claw 66 inserted into the engagement hole 56. An engagement claw 66 is provided on the periphery of the inner surface of the cover 60, and the engagement claw 66 is inserted into a slit-like engagement hole 56 provided on the right side plate 11R and the cover 60 is slid upward, The cover 60 is fixed to the right side plate 11R by screwing (see FIGS. 5 and 6).

  At this time, an annular outer peripheral rib 66a (see FIGS. 7 and 8) is provided on the inner surface of the cover 60 so as to be disposed and protruded in the peripheral portion, and the outer peripheral rib 66a abuts on the right side plate 11R. In addition, a shielding rib 66b is formed around the engaging claw 66 so as to project at the same height as the outer peripheral rib 66a, and a part of the shielding rib 66b is formed by the outer peripheral rib 66a.

  When the cover 60 is fixed to the right side plate 11R, the shielding rib 66b is disposed around the engagement hole 56. Thus, noise (arrow N) leaking to the outside through the gap S1 of the engagement hole 56 generated when the engagement claw 66 is inserted from the inside of the housing 11 into the engagement hole 56 and then slid is indicated by the shielding rib 66b. It is blocked. Therefore, it is possible to prevent the noise generated at the time of driving the compressor 40 and the like generated inside the housing 11 from leaking to the outside through the gap S1.

  A concave thin portion 66c is provided between the engagement claw 66 and the shielding rib 66b to prevent generation of a sink (dent) during molding.

  FIG. 14 is a front cross-sectional view of the recess 63R in a state in which the cover 60 is fixed to the right side plate 11R. When the cover 60 is fixed to the right side plate 11R, the outer wall 63RO of the recess 63 for the handle is inserted into the opening 53 formed in the right side plate 11R. At this time, the outer wall 63RO of the recess 63R abuts on the upper wall 53a of the opening 53. Thus, when the outdoor unit 10 is lifted by inserting a finger in the recess 63R, the upper wall 53a of the opening 53 is supported by the finger. Therefore, the weight of the outdoor unit 10 applied to the cover 60 is reduced, and deformation of the cover 60 can be prevented.

  Further, the upper wall 53a of the opening 53 forms a bent portion 53b bent inside the housing 11, and the bent portion 53a and the outer wall 63RO of the recess 63R are in surface contact. Thereby, when the outdoor unit 10 is lifted, the upper wall 53a is stably supported, and deformation of the cover 60 can be further prevented. The bent portion 53 a is inclined upward toward the inside of the housing 11. As a result, when a finger is inserted into the recess 63R, the finger is easily caught in the recess 63R, and the convenience during transportation is improved.

  Further, the opening 53 largely opens in the vertical direction with respect to the outer wall 63RO of the recess 63R, and when the cover 60 is fixed by sliding upward on the right side plate 11R, the lower wall 53c of the opening 53 and the recess 63R A gap S2 is generated between the outer wall 63RO. Thus, the power supply line and the control line can be drawn from the electrical component unit 50 to the terminal unit 55 through the gap S2.

  15 and 16 are perspective views of the recess 63L for the handle provided on the left side plate 11L. The recess 63L is made of resin, and is inserted into and fixed to an opening (not shown) formed in the upper portion of the left side plate 11L. A plurality of slit-like through holes 63LH2 extending in the vertical direction are arranged in parallel in parallel in the peripheral wall of the recess 63L. Further, a plurality of slit-like through holes 63LH1 extending in the front-rear direction are provided in parallel in parallel on the bottom wall of the recess 63L. Thus, the outside air is sucked into the housing 11 through the through holes 63LH1 and 63LH2. Therefore, the heat exchange rate of the heat exchanger 24 can be improved.

  The through holes 63LH1 and 63LH2 are continuously formed, and a reinforcing rib is provided around the back side of each of the through holes 63LH1 and 63LH2 to reinforce the peripheral wall and the bottom wall of the recess 63L. Thereby, when the outdoor unit 10 is lifted, it is possible to prevent the recess 63L from being deformed.

  According to the present embodiment, the upper end of the shielding plate 71 is disposed above the vent hole 54 and the intake hole 64, and the space between the cover 60 and the shielding plate 71 is closed by the lower rib (first shielding portion) The portion between the plate 71 and the housing 11 is closed by the shielding portion 72 (second shielding portion). Then, after the air flow flowing from the intake holes 64 rises along the shielding plate 71, the air flow is bent downward between the upper end of the shielding plate 71 and the rib (third shielding portion) 73 and descends along the shielding plate 71. Then, it is led to the vent hole 54. Thereby, it is possible to prevent the intrusion of water droplets or dust from the outlet 65a to the vent 54.

In addition, since the ribs of the cover 60 form a guide for guiding the air flow flowing in from the air intake hole 64 downward, the air flow path A is bent up and down a plurality of times, and water droplets entering the air hole 54 from the air intake hole 64 It can be reduced.

  Further, since the wall surface of the guide portion facing the side surface of the housing 11 is formed by the shielding plate 72, the distance between the shielding plate 72 and the inner surface of the cover 60 can be shortened. Therefore, the outdoor unit 10 can be miniaturized.

  In addition, a metal flameproof plate 70 disposed on the inner surface side of the cover 60 to cover the pipe connection portion 52 is provided, and the shielding plate 61 is integrally formed of the flameproof plate 70, whereby the number of parts of the shielding plate 61 can be increased. The cost can be reduced by reducing it.

  Further, when the blower 30 is driven by connecting the heat exchanger room 21 and the machine room 22 through the communication hole (not shown) provided in the electric part 50, the air in the machine room 22 is transmitted through the communication hole. It is drawn into the heat exchanger room 21. By this suction force, the outside air can be drawn into the machine room 22 through the intake holes 64 and the vent holes 54 to improve the cooling effect of the inside of the electrical unit 50.

  In addition, the handle concave portion 63R provided in the cover 60 is inserted into the opening 11RS and the upper wall 53a of the opening 11RS abuts against the outer wall 63RO of the concave portion 63R, thereby inserting fingers into the concave portion 63R When the machine 10 is lifted, the upper wall 53a of the opening 53 is supported by fingers. Therefore, the weight of the outdoor unit 10 applied to the cover 60 is reduced, and deformation of the cover 60 can be prevented.

  Further, the upper wall 53a of the opening 53 forms a bent portion 53b bent inside the housing 11, and the bent portion 53b and the outer wall 63RO of the recess 63R are in surface contact. Thereby, when the outdoor unit 10 is lifted, the upper wall 53a is stably supported, and deformation of the cover 60 can be further prevented.

  Further, since the bent portion 53b is inclined upward toward the inside of the housing 11, when the finger is inserted into the recess 63R, the finger is easily caught in the recess 63R, and the convenience during transportation is improved.

  The cover 60 is fixed to the housing 11 by inserting and sliding the engagement claw 66 provided on the inner surface into the slit-like engagement hole 56 formed on the side surface of the housing 11 and protrudes around the outer periphery on the inner surface of the cover 60 The outer peripheral rib 66a and the shielding rib 66b protruding at substantially the same height as the outer peripheral rib 66a are formed, and the shielding rib 66b is disposed around the engagement hole 56 when the cover 60 is fixed. As a result, noise (arrow N) leaking to the outside through the gap S1 of the engagement hole 56 is blocked by the shielding rib 66b. Therefore, it is possible to prevent the noise generated at the time of driving the compressor 40 and the like generated inside the housing 11 from leaking to the outside through the gap S1.

Second Embodiment
FIG. 17 is an explanatory view for explaining the air flow passage A of the outdoor unit 10 according to the second embodiment. The same parts as those of the first embodiment are denoted by the same reference numerals and the description thereof is omitted. With respect to the first embodiment, in the second embodiment, the upper rib 67 is not in contact with the shielding plate 71, and the outer surface of the shielding plate 71 does not form the guide portion 90.

  Specifically, a guide portion 90 is formed by a guide plate 91 which extends downward from the tip of the upper rib 67 and whose lower end is located lower than the intake hole 64. As a result, the air flow that has flowed in from the air intake holes 64 descends along the outer surface of the guide plate 91, wraps around the inner surface of the guide plate 91 below the lower end of the guide plate 91 and rises along the outer surface of the shield plate 71.

Third Embodiment
FIG. 18 is an explanatory view for explaining the air flow passage A of the outdoor unit 10 according to the third embodiment. The same parts as those of the first embodiment are denoted by the same reference numerals and the description thereof is omitted. The shielding part 72 bends the flameproof board 70, and 3rd Embodiment is formed with respect to 1st Embodiment. Thereby, the number of parts of the shielding part 72 can be reduced and cost reduction can be achieved.

  The present invention is applicable to an outdoor unit of a separate type air conditioner.

DESCRIPTION OF REFERENCE NUMERALS 10 outdoor unit 11 housing 11R right side surface plate 12 exhaust port 12a grille 14 outdoor side heat exchanger 16 outdoor side fan 20 partition wall 21 heat exchanger room 22 machine room 24 heat exchanger 30 fan 40 compressor 41 drainage port 50 electrical unit Reference Signs List 51 fin 52 piping connection portion 52a two-way valve 52b three-way valve 53 opening 53a upper wall 53b bent portion 54 vent 55 terminal portion 56 engagement hole 60 cover 63R recessed portion 63RO outer wall 64 intake hole 65 expanded portion 65a outlet 66 engaged Nail 66a Outer peripheral rib 66b Shielding part 66c Thin-walled part 67 Upper rib 68 Side rib 69 Lower rib (first shielding part)
70 Flameproof plate 71 Shielding plate 72 Shielding portion (second shielding portion)
73 rib (third shield)
90 Guide

Claims (11)

In an outdoor unit of an air conditioner in which a compressor, a heat exchanger, a blower, and an electric part having a circuit board connected to the compressor and the blower are disposed in the casing, one side surface of the casing Forming a pipe connection portion for connecting a refrigerant pipe and a vent hole opened above the pipe connection portion, and covering the vent hole and the pipe connection portion, as well as an intake hole and an outlet port of the refrigerant pipe An open cover, a shielding plate standing between the air vent and the air intake hole and an upper end being disposed above the air vent and air intake hole, and the cover and the air conditioner below the air intake hole. A first shielding portion closing between the shielding plate, a second shielding portion closing the space between the shielding plate and the housing below the vent hole, the cover and the rod above the upper end of the shielding plate And a third shield for closing the space between the After rising along the serial shielding plate, said bent downward between the upper end and the third shield portion of the shield plate, said guided to vent lowered along said shielding plate,
The cover includes a guiding portion formed by a rib protruding in a U shape opened downward from the inner surface of the cover to guide the air flow flowing in from the air intake hole downward, and the air flow after flowing out of the guiding portion is the shielding plate An outdoor unit of an air conditioner characterized by rising along . The outdoor unit of an air conditioner according to claim 1 , wherein a wall surface of the guide portion facing the side surface of the housing is formed by the shielding plate. Comprising a metal flame plate covering the pipe connection part by disposing the inner surface of the cover, the shield plate in claim 1 or claim 2, characterized in that integrally formed by the flame plate The outdoor unit of the air conditioner of description. The housing is divided into a heat exchanger chamber in which the fan and the heat exchanger are disposed via a partition wall, and a machine chamber in which the electrical component and the compressor are disposed, and provided in the electrical component The outdoor unit of an air conditioner according to any one of claims 1 to 3 , wherein the heat exchanger chamber and the machine chamber communicate with each other through a communication hole. In an outdoor unit of an air conditioner in which a compressor, a heat exchanger, and a blower are built in a housing, an opening is provided at the top of one side of the housing and a pipe connection for connecting a refrigerant pipe is provided at the bottom. is, claims 1, characterized in that the upper wall of the opening with the recess for the handle provided on the cover covering the pipe connection portion is inserted into the opening portion abuts against the outer wall of the recess An outdoor unit of an air conditioner according to any one of Items 4 . The air conditioner according to claim 5 , wherein the upper wall of the opening forms a bent portion inside the casing, and the bent portion and the outer wall of the recess are in surface contact with each other. Outdoor unit. The outdoor unit of an air conditioner according to claim 6 , wherein the bent portion is inclined upward toward the inside of the casing. The outdoor unit of an air conditioner according to any one of claims 5 to 7 , wherein the cover is fixed to the casing by sliding the cover upward after inserting the recess into the opening. The air conditioning according to any one of claims 5 to 8 , wherein a wire inside the casing is drawn between the housing and the cover through a gap between the opening and the recess. Unit outdoor unit. An outdoor unit incorporating a compressor, a heat exchanger, and a blower in a housing, the pipe connection portion being disposed on one side of the housing and connecting a refrigerant pipe, and a cover that covers the pipe connection portion. The cover is fixed to the housing by inserting and sliding an engagement claw provided on the inner surface into a slit-like engagement hole formed on the side surface of the housing, and the cover is disposed on the inner surface in the circumferential part An annular outer peripheral rib in contact with the housing and a shielding rib projecting at the same height as the outer peripheral rib are formed, and the shielding rib surrounds the periphery of the engagement hole when the cover is fixed. An outdoor unit of an air conditioner characterized by. The outdoor unit of an air conditioner according to claim 10, wherein a part of the shielding rib is formed by the outer peripheral rib.

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