JP3253499B2 - Air conditioner - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outdoor heat exchanger and an outdoor blower for blowing air to the outdoor heat exchanger, wherein the outer box is provided with an outdoor heat exchanger, and condensed water stored at the bottom of the outer box is removed. An annular member is provided on the outer peripheral portion of the fan of the outdoor blower, and the condensed water scooped up by the annular member is scattered by the wind of the outdoor blower to blow the condensed water onto the outdoor heat exchanger. The present invention relates to an air conditioner for cooling a heat exchanger.

[0002]

2. Description of the Related Art An example of a conventional air conditioner is shown in FIGS.
It will be explained together.

FIG. 4 is a side sectional view showing a conventional outdoor unit of an air conditioner, and FIG. 5 is a front sectional view thereof. An outdoor heat exchanger is provided at a front portion of an outer box 11 constituting an outer shell of the outdoor unit. 12 and an outdoor blower comprising a motor 13 and a fan 14 for cooling the outdoor heat exchanger 12.
The outside air introduction port 15 was provided on the top surface and side surface of No. 1.

A storage section 16 for storing condensed water W is provided at the bottom of the extra box 11, and a slinger ring 17, which is an annular member for scraping the condensed water W stored in the storage section 16, is provided in the chamber. It was provided on the outer periphery of the fan 14 of the outer blower.

When the fan 14 rotates, the condensed water W
Bounces off the inner wall of the outer box 11 and scatters, a part of which is scattered by the wind from the fan 14 and blown to the outdoor heat exchanger 12 to effectively cool the outdoor heat exchanger 12. I was

[0006]

However, in the air conditioner having the above-described structure, the condensed water (slinger ring) other than the condensed water blown to the outdoor heat exchanger among the condensed water swept up by slingering is used. Most of the condensed water that has been stirred up) hits the inner wall of the outer box and bounces off to the fan, or drops on the inner wall of the top surface of the outer box as a water drop Wa and drops to the fan, generating an unpleasant sound at that time (when hitting the fan) Was.

[0007] The air conditioner of the present invention has been made in view of the above problems, and by performing hydrophilic treatment on the inner wall of the outer box, the rebound of condensed water scooped up by the annular member of the fan is reduced. Moreover, preventing the formation of water droplets,
An object of the present invention is to prevent the generation of unpleasant noise due to water drops or the like.

[0008]

Means for Solving the Problems To achieve the above object, an air conditioner of the present invention is provided with an outdoor heat exchanger and an outdoor blower for blowing air to the outdoor heat exchanger in an outer box. An annular member for scraping the condensed water stored at the bottom of the outer box is provided on the outer periphery of the fan of the outdoor blower, a hydrophilic treatment is performed on the inner wall of the outer box, and the condensed water scraped by the annular member is provided. Water is scattered by the wind of the outdoor blower, and the condensed water is blown to the outdoor heat exchanger to cool the outdoor heat exchanger. In addition, a hydrophilic sheet is attached to the inner wall of the outer box.

In the air conditioner having the above structure, condensed water in the outer box is swept up by the annular member, and the condensed water is blown to the outdoor heat exchanger by the wind of the outdoor blower to perform cooling. At this time, the condensed water scooped up by the annular member hits the inner wall of the outer box, but rebound is less due to the hydrophilicity of the inner wall, and further, no water droplets are formed, thereby preventing generation of unpleasant noise due to water droplets or the like. In addition, the hydrophilic sheet suppresses the rebound of condensed water and the formation of water droplets, thereby preventing generation of unpleasant noise due to water droplets and the like.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an air conditioner according to the present invention will be described with reference to FIGS.

FIG. 1 is a side sectional view showing an outdoor unit of an air conditioner according to the present invention, and FIG. 2 is a front sectional view showing an outdoor heat exchanger at a front portion inside an outer box 1 constituting an outer shell of the outdoor unit. An outdoor blower comprising a motor 3 for cooling the outdoor heat exchanger 2 and a fan 4 is provided, and an outside air inlet 5 is provided on the top and side surfaces of the outer box 1.

A storage portion 6 for storing condensed water W is provided at the bottom of the outer box 1, and a slinger ring 7, which is an annular member for scraping the condensed water W stored in the storage portion 6, is provided in the chamber. It is provided on the outer peripheral portion of the fan 4 of the outer blower.

Then, the inner wall of the outer box 1 is made hydrophilic. That is, the hydrophilic coating 8 is formed on the inner wall of the outer box 1. Further, the coating 8 may be formed not on the entire inner wall of the outer box 1 but only on the portion where the condensed water W scraped up by the slinger ring 7 comes into contact.

In the air conditioner having the above configuration, the condensed water W scooped up by the slinger 7 by the rotation of the fan 4 collides with the inner wall of the outer box 1 and scatters, and a part of the condensed water W scatters. From the outside heat exchanger 2 and blown to the outdoor heat exchanger 2
Is effectively cooled.

[0015] Of the condensed water W pumped up by the slinger ring 7, the condensed water Wo other than the condensed water blown to the outdoor heat exchanger (most of the condensed water pumped up by the slinger ring) is supplied to the outer box. However, since the inner wall has hydrophilicity, the rebound of condensed water Wo is small, and since the inner wall portion does not become water droplets, the condensed water Wo hitting the fan is suppressed as much as possible, resulting in an unpleasant sound. The occurrence is prevented.

Further, in the above embodiment of the present invention, the hydrophilic coating 8 is formed on the inner wall of the outer box 1.
As shown in FIG. 3, a sheet 9 having hydrophilicity may be adhered to the inner wall of the outer box 1, and the same effect as the above-described coating 8 can be obtained by the sheet 9.

[0017]

According to the air conditioner of the present invention having the above-mentioned structure, the condensed water scooped up by the annular member hits the inner wall of the outer box, but the water rebounds less due to the hydrophilicity of the inner wall. Since no water droplets are formed, it is possible to reliably prevent unpleasant noise generated when water droplets hit the fan. In addition, the hydrophilic sheet suppresses the rebound of condensed water and the formation of water droplets, thereby preventing generation of unpleasant noise due to water droplets or the like.

[Brief description of the drawings]

FIG. 1 is a side sectional view showing an embodiment of an air conditioner of the present invention.

FIG. 2 is a front sectional view showing an embodiment of the air conditioner of the present invention.

FIG. 3 is a front sectional view showing another embodiment of the air conditioner of the present invention.

FIG. 4 is a side sectional view showing an example of a conventional air conditioner.

FIG. 5 is a front sectional view showing an example of a conventional air conditioner.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Outer box 2 Outdoor heat exchanger 3 Motor 4 Fan 5 Outside air inlet 6 Storage part 7 Slinger 8 Coating 9 Sheet

Claims (2)

(57) [Claims] 1. An outdoor heat exchanger and an outdoor blower for blowing air to the outdoor heat exchanger are provided on an outer box, and an annular member for scraping up condensed water stored at a bottom portion of the outer box is provided on the outer side. Provided on the outer periphery of the fan of the blower, the condensed water scooped up by the annular member is scattered by the wind of the outdoor blower, and the condensed water is blown to the outdoor heat exchanger to cool the outdoor heat exchanger. An air conditioner wherein the inner wall of the outer box is subjected to a hydrophilic treatment. 2. The air conditioner according to claim 1, wherein a hydrophilic sheet is attached to an inner wall of the outer box.