KR20000015413A - Cover of machine chamber for refrigerator and manufacturing method thereof - Google Patents

Abstract

PURPOSE: A cover of a machine chamber for a refrigerator is provided to be manufactured with paper, to suck and counterbalance the noise of an apparatus chamber by providing plural recessed grooves. CONSTITUTION: The cover(60) of an apparatus chamber for a refrigerator is formed to close an apparatus chamber(50) of a refrigerator which accepts a driving element such as a compressor and the like, has plural penetrated slots(61) which exhausts heat inside of the apparatus chamber and plural recessed grooves(62) formed as a specific pattern. And the cover is manufactured with paper and the heat-resisting and waterproof chemicals are painted on its surface.

Description

Machine room cover of refrigerator and its manufacturing method

The present invention relates to a machine room cover of a refrigerator and a method of manufacturing the same, and more particularly, to a machine room cover of a refrigerator having a structure improved so as to greatly reduce noise and vibration caused by the operation of a compressor, and a method of manufacturing the same.

Generally, a refrigerator includes a compressor for compressing a refrigerant at a high temperature / high pressure, a condenser for condensing the refrigerant discharged from the compressor, an evaporator for absorbing heat in the refrigerator, and generating cold air. By circulating in the fridge, the food can be stored frozen.

In such refrigerators, high-temperature heat is generated when the refrigerant is compressed or cooled to a high temperature / high pressure from the compressor and the condenser, so that driving elements such as the compressor and the condenser are generally housed in a so-called "machine room" located at the rear of the refrigerator. do. The compressor and condenser housed in the machine room are forced to dissipate by blowing natural heat and cooling fans.

On the other hand, as shown in Figure 1, the machine room 30 is coupled to the cover 20 so as to block the noise caused by the drive of the compressor 10 and to prevent foreign substances from entering the outside, the cover 20 is heat radiation A plurality of through holes 21 are formed.

By the way, the conventional cover 20 employed in the refrigerator is not only disadvantageous to the weight reduction of the refrigerator by using a metal or synthetic resin press or mold, but in the case of a metal cover, despite the noise isolation of the machine room, the rear plate of the refrigerator If the coupling state between the cover and the poor tremors occur, there is a problem that causes the secondary vibration in the cover itself according to the machine room noise.

To this end, as shown in Figure 1, between the refrigerator back plate 1 and the cover 20 is used via a sound absorbing / dustproof member (2), such as a sponge, which is disadvantageous in terms of parts management as well as assembly The problem is that it is cumbersome.

In addition, the shielding device disclosed in Korean Utility Model Publication No. 94-7155 is provided with a back cover 42 so that the sound absorbing material 41 can be accommodated on the outside of the machine room cover 40, as shown in FIG. Although it has a structure, such a structure has the advantage of blocking the noise of the machine room by the sound absorbing material 41 and the back cover 42 double, while not only disadvantageous thinning of the refrigerator but also complicated structure have.

The present invention has been made to solve the above problems, to provide a machine room cover of the refrigerator and its manufacturing method is improved in its structure to effectively block the noise of the machine room while enabling the weight of the refrigerator to be effective. There is this.

Another object of the present invention is to provide a machine room cover of a refrigerator and a method of manufacturing the same, which are advantageous for lightening the refrigerator and simplifying assembly and parts management.

1 is a perspective view showing a machine room and a cover of a conventional refrigerator;

Figure 2 is a cross-sectional view showing another conventional machine room sound insulation,

3 is a perspective view showing a machine room employing the machine room cover according to the present invention;

4 is a cross-sectional view taken along the line A-A of FIG.

* Explanation of symbols for main parts of the drawings

50 ... machine room 51 ... compressor

52.Thick Plate 60 ... Cover

61 ... through 62 ... (concave) home

The machine room cover of the refrigerator of the present invention that achieves the above object is formed of paper coated with heat and moisture resistant chemicals on its surface to close the machine room of the refrigerator in which a refrigerator driving element such as a compressor is accommodated, and heat the inside of the machine room. The heat dissipation may include a plurality of through holes formed in a predetermined pattern and a plurality of concave grooves formed in a predetermined pattern.

In addition, the machine room cover manufacturing method of the refrigerator of the present invention to achieve the above object comprises the steps of cutting the paper into a predetermined shape and a plurality of through holes and a plurality of concave grooves are formed in a predetermined pattern;

Applying heat and moisture resistant chemicals to the surface of the paper;

And removing the moisture and odor by drying the paper coated with the chemical at a predetermined temperature.

According to the above characteristics of the present invention, the present invention forms a machine room cover and a plurality of concave grooves in a predetermined pattern, so that vibration / noise generated in the machine room such as compressor driving noise can be significantly canceled while interfering with the grooves. And also enables weight reduction.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Referring to Fig. 3 showing a machine room of a refrigerator employing a machine room cover according to the present invention, the machine room 50 has a compressor 51 for compressing a refrigerant at a high temperature / high pressure as usual, and a refrigerant discharged from the compressor 51. A condenser (not shown) for condensing, and a cooling fan (not shown) for forcibly cooling the high heat generated by the compressor 51 and the condenser are accommodated.

In addition, the cover 60 is coupled to the rear plate 52 and the machine room frame to block driving noise of the compressor 51 and the cooling fan and to prevent foreign substances from being introduced.

As illustrated in FIGS. 3 and 4, the cover 60 includes a plurality of through holes 61 for dissipating heat inside the machine room 50 according to the driving of the compressor 51 and the driving of a condenser (not shown). ) Is formed in a predetermined pattern, and a plurality of concave grooves 62 are formed in a predetermined pattern. At this time, the shape of the groove 62 may be formed in various forms, such as cylindrical or hemispherical.

In this case, the cover 60 is formed of paper coated with heat and moisture resistant chemicals on its surface.

On the other hand, in the method of manufacturing the cover 60 according to the present invention, the paper is cut into a shape corresponding to the opening of the machine room 50, and the plurality of through holes 61 and the plurality of concave grooves 62 have a predetermined pattern. Pressing to form; Applying heat and moisture resistant chemicals to the surface of the paper; And drying the paper coated with the chemical in a drying furnace at about 200 ° C. to remove moisture and odor.

In the pressing step, it is preferable to apply heat to a predetermined temperature so that the shape of the cover 60 is maintained.

The machine room cover 60 manufactured as described above is coupled to the rear plate 52 and the machine room frame of the refrigerator by screws. The noise generated in the machine room 50 during operation of the refrigerator is largely offset by the concave groove 62. Become extinct. And the vibration according to the driving of the compressor 51 is transmitted to the cover 60, but by being made of paper, it is possible to significantly reduce the noise due to secondary vibration, there is also a sound absorbing effect.

In addition, heat generated in the compressor 51 and the condenser in the machine room 50 is radiated through the through hole 61.

On the other hand, it is needless to say that the present invention is not limited to the above embodiments and can be manufactured / implemented by adding many variations without departing from the spirit and scope of the present application. For example, a plurality of protrusions may be formed on the inner surface of the cover 60 in a predetermined pattern so that noises colliding with the cover cancel each other out.

The present invention as described above has the following advantages.

First, the cover is formed of a paper material and a plurality of concave grooves are formed to absorb and cancel the noise of the machine room, and also greatly reduce the secondary vibration.

Second, it is advantageous in lightening the refrigerator and light, so it is advantageous in terms of assembly and parts management.

Third, it is resistant to heat and moisture due to heat and moisture resistant chemical treatment.

Fourth, it is economically advantageous as compared to a cover made of conventional metal or synthetic resin material.

Claims (2)

The surface of the refrigerator is formed of paper coated with heat and moisture resistant chemicals to close the machine room of the refrigerator accommodating a refrigerator driving element such as a compressor, and a plurality of through holes are formed in a predetermined pattern to dissipate heat inside the machine room. And a cover of the machine room of the refrigerator, wherein a plurality of concave grooves are formed in a predetermined pattern. In the manufacturing method of the machine room cover of the refrigerator for closing the machine room of the refrigerator in which a refrigerator driving element such as a compressor is accommodated, Cutting the paper into a predetermined shape and pressing the plurality of through holes and the plurality of concave grooves in a predetermined pattern; Applying heat and moisture resistant chemicals to the surface of the paper; Drying the paper coated with the chemical at a predetermined temperature to remove moisture and odor; Machine room cover manufacturing method of the refrigerator characterized in that it comprises a.