JPH11148685A - Outdoor unit of air conditioner - Google Patents

Abstract

(57) [Problem] To provide an outdoor unit of an air conditioner in which air permeability in an electrical component box provided on an upper part of a heat exchanger is improved so that heat-generating electrical components can be effectively cooled. SOLUTION: A compressor 2 mounted at a substantially center on a front side on a bottom plate 1, a heat exchanger 3 provided on the rear side and both sides of the compressor, and a rear side of the heat exchanger are opposed to each other. And a blower 4 and 5 attached to the motor mounting stand, and a holding plate 7 fixed to an upper end of a side plate of the heat exchanger, and an upper part is a ceiling reinforcing plate 9. A covered electrical component box 8, a rear cover 10 attached to the bottom plate and having a suction opening facing the heat exchanger, and a front cover 11 having an air outlet facing the blower; and the electrical component box. And a top cover 12 that covers the upper part of the electronic component.
8a was provided and an exhaust hole 8b was provided at the rear, and a heat-generating electric component was arranged in an air passage connecting the intake hole and the exhaust hole.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outdoor unit of an air conditioner, and more particularly, to an air conditioner provided in an upper part of a heat exchanger to improve air permeability and to effectively generate heat. The present invention relates to a structure that can be cooled.

[0002]

2. Description of the Related Art A conventional outdoor unit of an air conditioner is mounted, for example, as shown in FIG.
A compressor 2 covered with a compressor cover 2a, a heat exchanger 3 provided on the rear side and both sides of the compressor 2 and bent substantially in a concave shape, and a rear part of the heat exchanger 3 A motor mounting base 4 erected in opposition, a blower including a fan motor 5 and a blower fan 6 mounted on the motor mounting base 4, and fixed to the upper ends of side plates mounted on both sides of the heat exchanger 3. Electrical component box 8 that is held on holding plate 7, accommodates electrical components, and has an upper part covered with ceiling reinforcing plate 9, and a suction port that is attached to bottom plate 1 and faces heat exchanger 3. And a front cover 11 having an outlet facing the blower, and a top cover 12 covering an upper part of the electrical component box 8.

However, since the air permeability in the electrical component box 8 is insufficient, the heat-generating electrical components arranged in the electrical component box 8 cannot be effectively cooled, thereby providing a protective function against heat generation. And the operation stops.

[0004]

SUMMARY OF THE INVENTION In view of the above-mentioned problems, the present invention has been made to improve the air permeability in an electrical component box provided at the top of a heat exchanger so that heat-generating electrical components can be effectively cooled. It is an object of the present invention to provide an air conditioner outdoor unit.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a compressor which is mounted substantially at the center on the front side on a bottom plate and which is covered with a compressor cover. , A heat exchanger bent substantially in a concave shape, a motor mount erected to face the rear surface of the heat exchanger, a fan motor and a blower fan mounted on the motor mount. An electric component box which is held on a holding plate fixed to the upper end of a side plate attached to both sides of the heat exchanger, accommodates electric components, and has an upper part covered with a ceiling reinforcing plate, and A rear cover having a suction opening facing the heat exchanger and a front cover having an air outlet facing the blower, and a top cover covering an upper part of the electrical component box, were attached to the bottom plate. Outer shell, Goods box is made provided with a front to the intake hole of the rear exhaust hole provided, a configuration of arranging the heat-generating electrical component to the air passage connecting the intake and exhaust ventilation.

Further, at least the intake hole is formed in a long hole shape extending left and right.

Further, a plurality of vertical rails are provided in the elongated hole.

[0008] Further, an exhaust duct is provided in the exhaust hole.

The exhaust duct is formed integrally with the rear cover.

[0010] Further, a seal member is provided between the exhaust duct and a peripheral portion of the exhaust hole.

Further, the upper mounting portion of the motor mounting base is
The heat exchanger is formed in a substantially L-shape including a horizontal portion and a drooping portion with its tip hanging down, and the substantially L-shaped portion is suspended at an upper end of a rear portion of the heat exchanger facing the exhaust duct. I have.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present invention will be described below as examples based on the attached drawings. FIG. 1 and FIG.
2A and FIG. 2B, reference numeral 1 denotes a bottom plate, 2 denotes a compressor which is mounted on the bottom plate 1 at a substantially central portion on the front side thereof with a compressor cover 2 a mounted thereon, and 3 denotes a compressor of the same compressor 2. A heat exchanger 4 bent substantially concavely on the rear side and both sides, a motor mount 4 standing on the bottom plate 1 facing the back of the heat exchanger 3, and 5 a motor mount. A fan motor 6 attached to 4 is a blower fan driven by the fan motor 5, and the fan motor 5 and the blower fan 6 constitute a blower.

Reference numeral 7 denotes a holding plate fixed to the upper end of a side plate attached to both sides of the heat exchanger 3. Reference numeral 8 denotes a holding plate for holding the electric components. A covered electrical component box, 10 is attached to the bottom plate 1 and has a rear cover having a suction opening facing the heat exchanger 3, and 11 is provided with a fan ring 11a for the blower on the inside and faces the blower. A front cover 12 having an air outlet is a top cover that covers the upper part of the electrical component box 3, and the rear cover 10, the front cover 11 and the top cover 12 constitute an outer body.

The electrical component box 8 has a structure in which an intake hole 8a is provided at a front portion and an exhaust hole 8b is provided at a rear portion, and heat-generating electric components are arranged in an air passage connecting the intake hole 8a and the exhaust hole 8b. As a result, a part of the air flow generated by the blower flows in from the air intake hole 8a and cools the heat-generating electric components disposed in the air passage after passing through the electrical component box 8. Then, the gas flows out from the exhaust hole 8b, so that the heat-generating electric component can be effectively cooled.

Further, by forming the intake hole 8a and / or the exhaust hole 8b in a long hole shape extending left and right,
Part of the air flow efficiently flows in from the intake hole 8a,
The heat-generating electric components in the electrical component box 8 are effectively cooled so as to flow out from the exhaust holes 8b.

Further, a plurality of vertical rails are provided in the long intake hole 8a.
With the provision of 8c, the strength of the electrical component box 8 near the intake hole 8a can be reinforced.

Further, by providing the exhaust duct 13 in the exhaust hole 8b, a part of the air flow passing through the electrical component box 8 can flow out of the exhaust hole 8b more efficiently. It has become.

Further, by forming the exhaust duct 13 integrally with the rear cover 10, the dimensions and shape can be accurately finished and the structure is advantageous in terms of cost.

Further, a seal member 14 is provided between the exhaust duct 13 and the peripheral edge of the exhaust hole 8b, so that it is possible to provide confidentiality and prevent rainwater from entering. I have.

Further, the upper mounting portion of the motor mounting base 4 is substantially L-shaped including a horizontal portion and a drooping portion whose tip is drooped.
And the substantially L-shaped portion is connected to the exhaust duct 13.
The heat exchanger 3 is suspended at the upper end of the rear part of the heat exchanger 3 so that rainwater scattered by the blower fan 6 can be prevented from entering the electrical component box 8. Structure.

With the above configuration, as shown in FIGS. 1, 2A and 2B, an intake hole 8a is provided at the front of the electrical component box 8 and an exhaust hole 8b is provided at the rear. Since a heat-generating electric component is disposed in an air passage connecting the intake hole 8a and the exhaust hole 8b, a part of the air flow generated by the blower flows in from the intake hole 8a, and the electrical component box 8
An outdoor unit of an air conditioner that cools the heat-generating electric components disposed in the air passage by passing through the inside thereof and flows out from the exhaust holes 8b so that the heat-generating electric components can be effectively cooled. Becomes

[0022]

As described above, according to the present invention, the outdoor unit of an air conditioner in which the air permeability in the electrical component box provided at the upper part of the heat exchanger is improved and the heat generating electrical components can be effectively cooled. Machine.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of an outdoor unit of an air conditioner according to the present invention.

FIG. 2 is an explanatory view of an outdoor unit of an air conditioner according to the present invention;
(A) is a perspective view of the main part, and (B) is a cutaway perspective view of the main part.

FIG. 3 is an exploded perspective view of an outdoor unit of an air conditioner according to a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bottom plate 2 Compressor 2a Compressor cover 3 Heat exchanger 4 Motor mount 5 Fan motor 6 Blower fan 7 Holding plate 8 Electrical component box 8a Intake hole 8b Exhaust hole 8c Vertical bar 9 Ceiling reinforcement plate 10 Rear cover 11 Front cover 11a Fan Ring 12 Top cover 13 Exhaust duct 14 Seal member

Claims (7)

[Claims] 1. A compressor which is mounted substantially at the center on the front side on a bottom plate and which is covered with a compressor cover, and which is provided over the rear side and both sides of the compressor, and is formed by bending substantially in a concave shape. Exchanger, a motor mount that stands upright on the back side of the heat exchanger, a blower including a fan motor and a blower fan mounted on the motor mount, and mounted on both sides of the heat exchanger. An electrical component box which is held on a holding plate fixed to the upper end of the side plate and accommodates electric components and whose upper portion is covered with a ceiling reinforcing plate, and which is attached to the bottom plate and faces the heat exchanger. The electric component box comprises a front cover having a rear cover having a suction port and a front cover having an outlet facing the blower, and a top cover covering an upper portion of the electric component box. Air intake holes and exhaust at the rear. The hole is provided, the outdoor unit of an air conditioner which is characterized in that a heat generating electrical component to the air passage connecting the intake and exhaust ventilation. 2. The outdoor unit for an air conditioner according to claim 1, wherein at least the intake hole is formed in a long hole shape extending left and right. 3. The outdoor unit of an air conditioner according to claim 2, wherein a plurality of vertical rails are provided in the elongated hole. 4. The outdoor unit of an air conditioner according to claim 1, wherein an exhaust duct is provided in the exhaust hole. 5. The outdoor unit of an air conditioner according to claim 4, wherein the exhaust duct is formed integrally with the rear cover. 6. A seal member is provided between the exhaust duct and a peripheral portion of the exhaust hole.
Or the outdoor unit of the air conditioner according to claim 5. 7. An upper mounting portion of the motor mounting base is formed in a substantially L-shape including a horizontal portion and a drooping portion whose tip is suspended, and the substantially L-shaped portion faces the exhaust duct. The outdoor unit of an air conditioner according to claim 1, wherein the outdoor unit is suspended at an upper end of a rear part of the heat exchanger.