JP2002089884A - Outdoor unit of air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an outdoor unit of air conditioner, in which a heat exchanger can be effectively cooled with drain in a cooling operation, and a splash effect can be improved. SOLUTION: An outwardly extending parts a are formed continuously in the lower end parts of fins 5a constituting a heat exchanger, and notches b are continuously formed in the upper ends in correspondence with the extending parts a.

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 method of effectively cooling a heat exchanger with drain water during a cooling operation to enhance a splash effect. Related to the structure.

[0002]

2. Description of the Related Art A conventional outdoor unit of an air conditioner is installed upright on a base 1 as shown in, for example, FIG. 1, FIG. 3 (A) and FIG. 3 (B). Partitioned by a partition plate 2 into a compressor room and a heat exchanger room provided with a recess 3 for storing drain water, a compressor 4 is provided in the compressor room, and on the recess 3 of the heat exchanger room, The heat exchanger 5 includes a plurality of fins 5a arranged in parallel at equal intervals and a heat transfer tube 5b orthogonal to the fins 5a, and a lower part of the fins 5a is immersed in the drain water during a cooling operation. A blower 7 comprising a blower fan 7a and a fan motor 7b opposed to the heat exchanger 5 is provided, and an outer shell 9 provided with an outlet grill 8 facing the blower 7 is attached to the base 1. By the so-called splash effect in which the heat exchanger 5 is cooled by water, The configuration was such that the heat exchange efficiency of the heat exchanger 5 was improved.

However, the thermal effect of the fins 5a immersed in drain water is insufficient, so that the splash effect cannot be sufficiently achieved. Further, since the fin 5a is cut from the cut portion c and formed in a substantially rectangular shape as shown in FIG.
As shown by the dashed arrow d 'shown in FIG. 3A, the air permeability of the upper end portion close to the outer shell 2 is deteriorated, which causes the heat exchange efficiency of the heat exchanger 5 to deteriorate.

[0004]

SUMMARY OF THE INVENTION In view of the above-mentioned problems, the present invention provides an air conditioner which can effectively cool a heat exchanger with drain water during cooling operation to enhance a splash effect. The purpose of the present invention is to provide an outdoor unit.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a heat exchanger having a concave portion for storing a compressor chamber and drain water on a base by a partition plate erected on the base. A compressor is provided in the compressor chamber, and a heat exchanger whose lower part is immersed in the drain water during cooling operation is provided on the concave portion of the heat exchanger chamber. In an outdoor unit of an air conditioner provided with an opposed blower, and an outer shell provided with a blowout grill facing the blower on the base, an outer fan is provided at a lower end portion of a fin constituting the heat exchanger. The extension portion extending in the direction is formed continuously.

Further, a notch is continuously formed at the upper end of the fin constituting the heat exchanger.

Further, the fins constituting the heat exchanger are as follows:
Two cutouts are formed at the same time from a single plate with cutouts corresponding to the extending portions.

Further, the heat exchanger is arranged so that the cutout portion is located on the leeward side.

[0009]

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 is an exploded perspective view of an outdoor unit of an air conditioner according to the present invention (and a conventional example). FIG. 2 is an explanatory view of a main part of the outdoor unit of the air conditioner according to the present invention. (B) is a plan view showing fins of the heat exchanger.

In the drawing, reference numeral 1 denotes a base constituting an outdoor unit of an air conditioner according to the present invention, and 2 stands upright on the base 1 to partition the base 1 into a compressor room and a heat exchanger room. The partition plate 3 has a recess for storing drain water provided on the base 1, the compressor 4 mounted in a compressor chamber on the base 1, and the recess 5 in the heat exchanger chamber. Numerous fins provided on the part 3 and arranged in parallel at equal intervals
5a and a heat exchanger tube 5b perpendicular to the heat exchanger, wherein a lower portion of the fin 5a is immersed in the drain water during a cooling operation, and 7 is a blower fan 7a facing the heat exchanger 5.
And a blower comprising a fan motor 7b; 6 is a fan ring provided along the outer shape of the blower fan 5a;
Reference numeral 9 denotes an outer shell which is attached to the base 1 and has an outlet grill 8 facing the blower 7.

Next, in the outdoor unit of the air conditioner having the above-described structure, the structure in which the heat exchanger 5 can be effectively cooled by the drain water during the cooling operation to enhance the splash effect. This will be described below.

As shown in FIG. 2A, an outwardly extending extension a is continuously formed at the lower end of the fin 5a constituting the heat exchanger 5. In the cooling operation, the heat conductivity between the drain water and the fins 5a immersed therein is increased, so that the so-called splash effect in which the heat exchanger 5 is effectively cooled is promoted. 5 can improve the heat exchange efficiency.

Further, fins 5a constituting the heat exchanger 5 are provided.
2A, a cutout b as shown in FIG. 2A is continuously formed, and the heat exchanger 5 is installed with the cutout b facing downwind.
As shown by a broken line arrow d, the outer trunk 2 (flange)
The air permeability of the upper end portion near the heat exchanger 5 is improved, and the heat exchange efficiency of the heat exchanger 5 can be improved.

Further, fins 5a constituting the heat exchanger 5 are provided.
Is provided with the cutout portion b corresponding to the extension portion a, and has a configuration in which two sheets are simultaneously formed from one sheet material,
Thus, when the fins 5a are press-formed by a mold, as shown in FIG. 2 (B), the positions of the extending portions a and the notches b are inverted by 180 °, and the cutting indicated by broken lines is performed. By cutting from the part c, FIG.
And the same material cost as in the case of the conventional technique described above.

With the above configuration, as shown in FIG. 1, FIG. 2A and FIG. 2B, the fin 5a constituting the heat exchanger 5 extends outward at the lower end. Since the extending portion a is continuously formed, the heat conductivity between the drain water and the fins 5a immersed in the drain water is increased during the cooling operation, and a so-called splash effect in which the heat exchanger 5 is effectively cooled is provided. An air conditioner outdoor unit that promotes the heat exchange efficiency of the heat exchanger 5 can be improved.

[0016]

As described above, according to the present invention, there is provided an outdoor unit of an air conditioner capable of effectively cooling a heat exchanger with drain water during cooling operation to enhance a splash effect.

[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 and a conventional example.

FIG. 2 is an explanatory view of a main part of an outdoor unit of an air conditioner according to the present invention, wherein (A) is a sectional view of a heat exchanger, and (B) is a plan view showing fins of the heat exchanger.

FIG. 3 is an explanatory view of a main part of an outdoor unit of an air conditioner according to a conventional example, in which (A) is a sectional view of a heat exchanger, and (B) is a plan view showing fins of the heat exchanger.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 base 2 partition plate 3 concave portion 4 compressor 5 heat exchanger 5a fin 5b heat transfer tube 6 fan ring 7 blower 7a blower fan 7b fan motor 8 blowout grill 9 outer trunk a extension b cutout c cut

Claims (4)

[Claims] A base is divided into a compressor chamber and a heat exchanger chamber having a recess for storing drain water by a partition plate erected on the base, and a compressor is provided in the compressor chamber. A heat exchanger whose lower part is immersed in the drain water during the cooling operation, a blower facing the heat exchanger, and the base facing the blower on the concave portion of the heat exchanger chamber. In an outdoor unit of an air conditioner having an outer shell provided with an outlet grill, an outwardly extending extension is continuously formed at a lower end of a fin constituting the heat exchanger. An outdoor unit of an air conditioner characterized by the above. 2. The outdoor unit for an air conditioner according to claim 1, wherein a notch is continuously formed at an upper end of a fin constituting the heat exchanger. 3. The fin constituting the heat exchanger, wherein two fins are formed at the same time from a single plate material having a notch corresponding to the extension. 3. The outdoor unit of the air conditioner according to 2. 4. The outdoor unit for an air conditioner according to claim 2, wherein the heat exchanger is arranged such that the cutout portion is located on the leeward side.