JPH11141922A - Outdoor machine of air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an outdoor machine of an air conditioner of a structure capable of sufficiently cooling electrical parts in an electrical parts box mounted on an upper portion of a heat exchanger with air flowing through a flow passage extending from an air suction hole to an air exhaust outlet with suction force of a fan air. SOLUTION: An outdoor machine of an air conditioner is adapted to include, in a body composed of a base, a front panel, a rear panel 3, and an upper surface cover 4, a compressor placed at a center on the base, a heat exchanger 6 provided over a back surface side and both side surfaces of the compressor, and folded into a recessed configuration, an air fan 7 provided facing to a back surface side of the heat exchanger 6, an electrical package box 8 provided on a mount plate 11 on upper ends of side plates provided on opposite sides of the heat exchanger 6, and a connection valve provided on one side of the electrical package parts box 8 for connection of pipings. In the outdoor machine, there are provided an air suction hole 8a in a front surface side of the electrical package parts box 8 and an air exhaust outlet 8b in the back surface side, while there is provided a vent hole 11c in the back surface side of the mounting plate 11, and the air exhaust hole 8b and the vent hole 11c are communicated through a duct 10.

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 a cooling structure for electrical components in an electrical component box.

[0002]

2. Description of the Related Art As shown in FIG. 5, for example, an outdoor unit of a conventional air conditioner comprises a base 1, a front panel 2 made of a synthetic resin serving as an outer body, a rear panel 3 and a top cover 4. And a heat exchanger 6 which is provided substantially at the center on the front side of the base 1 and is provided over the rear side and both side faces of the compressor 5 and is bent substantially in a concave shape. A blower 7 provided on the rear side of the heat exchanger 6 and a mounting plate 11 'provided on the upper end of a side plate 6a provided on both sides of the heat exchanger; A metal electrical component box 8 'containing electrical components for control, a terminal board for connecting a cable (not shown) to one side of the electrical component box 8', a two-way valve for connecting a connection pipe, and And a connection valve 9 formed of a three-way valve or the like.

In the above configuration, a plurality of holes for heat dissipation are provided on the side wall of the electrical component box 8 'to radiate heat generated by the electrical components generated by operating the air conditioner and cool the components.
8a 'was opened and cooled. However, with the above structure, the components cannot be sufficiently cooled due to natural convection between the inside and outside of the electrical component box 8 ', and especially when the outdoor unit top surface is exposed to direct sunlight in a hot summer, the electrical components are protected. Therefore, there is a problem that the operation of the air conditioner is stopped by the control device.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has an air suction port provided on the front side of an electrical component box mounted on an upper portion of a heat exchanger and an air exhaust port provided on a rear side. An outlet is provided, a duct communicating with the upper part of the heat exchanger from the air outlet is provided, and air is introduced into the blower.Electric components are supplied by air flowing from the air inlet to the air outlet by the suction force of the blower. It is an object of the present invention to provide an outdoor unit of an air conditioner having a structure capable of sufficiently cooling.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention is mounted in a main body composed of a base, a front panel, a rear panel and a top cover, substantially at the center on the front side of the base. The compressor, a heat exchanger that is provided over the rear side and both side surfaces of the compressor, and that is bent substantially in a concave shape, and a blower that is provided to face the rear side of the heat exchanger, A mounting plate is provided at an upper end of a side plate provided on both sides of the heat exchanger, and an electrical component box housing electrical components on the mounting plate is provided on one side of the electrical component box to connect a connection pipe. In an outdoor unit of an air conditioner including a connection valve including a two-way valve and a three-way valve, an air intake port is provided on a front side of the electrical component box and an air exhaust port is provided on a rear side, and the mounting plate is provided. Side wall on the back side, and ventilation holes on the side wall. An air discharge port and the vent has a configuration in communication with the duct.

Further, the duct is formed integrally with the upper portion of the rear panel.

Further, the duct is formed in a box shape having an open front and a bottom.

The rear side wall of the mounting plate is formed so as to be flush with the rear side wall of the electrical component box.

The opening edge of the duct is in contact with the back wall of the electrical component box, the back wall of the mounting plate, and the top surface of the heat exchanger.

[0010]

Embodiments of the present invention will be described below in detail with reference to the drawings. 1, 2, 3, and 4, the outdoor unit main body includes a base 1, a synthetic resin front panel 2 serving as an outer body, a rear panel 3, and a top cover 4. , A heat exchanger 6 provided over the rear side and both side faces of the compressor 5 and bent substantially in a concave shape; A blower 7 provided opposite the rear side, and side plates 6a provided on both sides of the heat exchanger
A mounting plate 11 is provided at an upper end of the mounting plate 11. A metal electrical component box 8 containing electrical components for control is mounted on the mounting plate 11, and a cable (not shown) is connected to one side of the electrical component box 8. It is composed of a terminal board and a connection valve 9 composed of a two-way valve and a three-way valve for connecting the connection piping.

The electrical component box 8 is provided with an air inlet 8a formed of a plurality of oval holes on the front side and an air outlet 8b on the rear side of the electrical component box 8. The mounting plate 11 is bent in a substantially L-shape on the rear side, and its horizontal surface 11a is placed on the upper end of the heat exchanger 6. In this case, the vertical surface 11b is formed so as to be flush with the rear side wall of the electrical component box 8, and a ventilation port 11c is formed below the air outlet 8b on the vertical surface 11b, and the air outlet 8b is formed. The duct 10 communicates with the vent 11c.

The duct 10 is formed integrally with the upper portion of the rear panel, and is formed in a box shape having an opening at the front and at the bottom. The opening edge is a vertical surface between the rear side wall of the electrical component box 8 and the mounting plate 11. 11 b and the upper end surface of the heat exchanger 6.

In the above configuration, an air inlet is provided on the front side of the electrical component box 8 mounted on the heat exchanger 6.
8a, an air outlet 8b is provided on the back side, and the air outlet 11b of the mounting plate 11 above the heat exchanger 6 is
A duct 10 communicating with the air conditioner c is provided, and the air flowing through the flow path from the air inlet 8a to the air outlet 8b by the suction force of the blower 7 sufficiently dissipates the heat generated by the electrical components generated by the operation of the air conditioner. Thus, the outdoor unit of the air conditioner has a structure capable of sufficiently cooling the components.

[0014]

As described above, according to the present invention, a plurality of air inlets are provided on the front side of the electrical component box mounted on the upper part of the heat exchanger, and the air outlets are provided on the rear side. A duct that communicates with the upper part of the heat exchanger from the air discharge port and allows air to flow into the blower is provided.The air that flows through the flow path from the air intake port to the air discharge port by the suction force of the blower is used to control the air conditioner. An outdoor unit of an air conditioner having a structure capable of sufficiently radiating heat generated by electrical components generated by operation and cooling components.

[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 a rear perspective view of the outdoor unit of the air conditioner showing one embodiment of the present invention.

FIG. 3 is a side sectional view of a main part showing one embodiment of the present invention.

FIG. 4 is an enlarged perspective view of a part A in FIG. 3 showing one embodiment of the present invention.

FIG. 5 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 Base 2 Front panel 3 Rear panel 4 Top cover 5 Compressor 6 Heat exchanger 7 Blower 8 Electrical component box 8a Air inlet 8b Air outlet 8c Electrical components 9 Connection valve 10 Duct 11 Mounting plate 11a Horizontal surface 11b Vertical surface 11c Vent

Claims (5)

[Claims] 1. A compressor mounted substantially at the center on the front side of a base in a main body composed of a base, a front panel, a rear panel and a top cover, and a rear side and both side faces of the compressor. A heat exchanger that is provided to extend substantially in a concave shape, a blower that is provided facing the rear side of the heat exchanger, and an upper end of a side plate that is provided on both sides of the heat exchanger. An electrical component box provided with a plate and containing electrical components on the mounting plate, and a connection valve provided on one side of the electrical component box and including a two-way valve and a three-way valve for connecting a connection pipe, are provided. In the outdoor unit of the air conditioner, an air intake port is provided on the front side of the electrical component box and an air exhaust port is provided on the back side, and a side wall is provided on the back side of the mounting plate, and a ventilation port is provided on the side wall. Provided, the air outlet and the vent are communicated by a duct. Outdoor unit of an air conditioner according to claim Rukoto. 2. The outdoor unit of an air conditioner according to claim 1, wherein said duct is formed integrally with an upper portion of said rear panel. 3. The outdoor unit of an air conditioner according to claim 1, wherein the duct is formed in a box shape having a front surface and a bottom opening. 4. The outdoor unit for an air conditioner according to claim 1, wherein a rear side wall of the mounting plate is formed to be flush with a rear side wall of the electrical component box. 5. An opening edge of the duct is in contact with a back wall of the electrical component box, a back wall of the mounting plate, and an upper surface of the heat exchanger. 2. The outdoor unit of the air conditioner according to claim 3 or 4.