KR20110058154A - Deodorizing apparatus and microwave oven therewith - Google Patents

Abstract

PURPOSE: A deodorizing device and a microwave oven with the same are provided to keep residential environment agreeable by removing bad smell which is discharged from an exhaust port. CONSTITUTION: A microwave oven with a deodorizing device comprises an exhaust cover part, a heater and a catalyst part. The exhaust cover part covers an exhausting part(150). The heater is accepted to the exhaust cover part and generates heat. The catalyst part is heated by the heater. The heater comprises a heater part and a fixed frame part. The heater part generates heat. The fixed frame part clinches the heater part on the exhaust cover part. The heater part comprises a board heater which has concave and convex.

Description

DEDEORIZING APPARATUS AND MICROWAVE OVEN THEREWITH}

The present invention relates to a microwave oven, and more particularly, to a deodorizing device for removing the odor emitted with the air discharged through the exhaust port during cooking and a microwave oven having the same.

Microwave oven is a cooking device that cooks food using microwaves in a short time, and microwaves generated from magnetrons to which high voltage is applied are irradiated to foods inside the cooking chamber through waveguides, By vibrating water molecules to generate thermal energy, food is heated and cooked therein.

Such a microwave oven can cook various foods in various ways by appropriately adjusting the microwave output and the time that the microwave is irradiated to the food, and can be used to heat already cooked food or to melt frozen food.

In general, the microwave oven includes a cavity forming a skeleton of the microwave oven, and an outer case installed to surround the outside of the cavity. A cooking chamber is formed inside the cavity, and an electrical equipment chamber is formed inside the cavity located at the side or the upper portion of the cooking chamber. In addition, the inlet and the exhaust port are formed in the cavity. The inlet port is formed on the inner wall of the cavity across the cooking chamber and the electrical chamber, and the exhaust port is formed on the side wall of the cavity.

The air introduced into the electrical equipment room by the cooling fan installed in the electrical equipment compartment during the operation of the microwave oven cools the various heating parts in the electrical equipment compartment while passing through the electrical equipment compartment and flows into the cooking chamber through the intake port. After cooking is performed by the introduced air, hot air or steam in the cooking chamber is discharged out of the microwave oven again through the exhaust port.

Recently, a microwave oven having a grill heater in the upper or lower portion of the cooking chamber besides the microwave, or an oven for convection hot air by providing a convection heater and a convection fan in the rear of the cooking chamber besides the microwave. Multifunctional microwave ovens such as convection-type microwave ovens having a function of have been developed and its use is increasing.

The technical structure described above is a background technique for assisting the understanding of the present invention, and does not mean the prior art widely known in the technical field to which the present invention belongs.

In the microwave oven, not only the air or steam in the cooking chamber is discharged through the exhaust port during cooking, but also the various odors generated from the food during cooking, together with the roasting function of the grill heater. The smell emitted when cooking is present in the kitchen and indoor space, etc., which causes the comfort of the living environment. Therefore, there is a need for improvement.

The present invention has been made to improve the above problems, and an object of the present invention is to provide a deodorizing apparatus and a microwave oven having the same to remove the odor emitted through the exhaust port.

Deodorizing apparatus according to an aspect of the present invention comprises: an exhaust cover portion for covering the exhaust portion; A heat generating part accommodated in the exhaust cover part to generate heat; And a catalyst part heated and activated by the exothermic part.

The heating unit may further include a heater unit generating heat; And a fixing frame part for fixing the heater part to the exhaust cover part.

In addition, the heater unit preferably includes a plate heater that is formed to be bent.

In addition, the fixing frame portion is preferably formed of an insulator.

In addition, the catalyst unit preferably includes platinum.

In addition, it is preferable that an exhaust hole is formed in the exhaust cover part to communicate the inside of the exhaust cover part with the outside.

In addition, a microwave oven according to another aspect of the present invention includes: a main body portion in which an exhaust portion is formed; And it includes a deodorizing device for removing the odor discharged through the exhaust.

According to the deodorizing apparatus of the present invention and a microwave oven having the same, by removing the odor emitted with the air or steam discharged through the exhaust during cooking to reduce the degree of odor emitted to the kitchen and indoor space, etc. You can maintain comfort.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of a deodorizing device and a microwave oven having the same according to the present invention. For convenience of explanation, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

1 is an exploded perspective view showing a portion of a microwave oven according to an embodiment of the present invention, Figure 2 is a perspective view showing the microwave oven shown in Figure 1, Figure 3 is an enlarged deodorizing device shown in FIG. It is a perspective view shown.

In addition, Figure 4 is a perspective view showing the back of the deodorizer shown in Figure 3, Figure 5 is an exploded perspective view showing the back of the deodorizer shown in Figure 3, Figure 6 is a cross-sectional view taken along line AA of Figure 5 to be.

First, referring to FIGS. 1 and 2, the microwave oven 300 according to an embodiment of the present invention includes a main body 100 and a deodorizer 200.

The main body 100 includes a cavity 110, a bottom plate 115, and an outer case (not shown). The cooking chamber 120 is formed in the cavity 110, and the electrical equipment chamber 130 is formed at one side of the cooking chamber 120. The bottom plate 115 is provided at the bottom of the cavity 110, and the outer case is provided at the outside of the cavity 110.

The electrical equipment room 130 is a place where components constituting the microwave oven 300 are installed. The electronic equipment 130 is provided with a magnetron 132 for generating a high frequency radiated inside the cooking chamber 120. Various components such as a high voltage transformer 134 for boosting the commercial voltage to the high voltage required for the operation of the magnetron 132 are mounted. In addition, the electrical equipment room 130 is equipped with a cooling fan 136 for introducing external air into the electrical equipment room 130.

In the present embodiment, the electrical equipment room 130 is illustrated as being formed above the cooking chamber 120, but is not limited thereto, and the electrical equipment room 130 of the present invention may be formed at the side of the cooking chamber 120. Modifications are possible.

In addition, the intake part 140 and the exhaust part 150 are formed in the cavity 110. The intake unit 140 is formed on the inner wall of the cavity 110 that crosses the cooking chamber 120 and the electric chamber 130, and the exhaust unit 150 is formed on the sidewall of the cavity 110. The intake unit 140 and the exhaust unit 150 may each include a plurality of through holes (not shown).

In addition, although not shown, the main body 100 may be further provided with a grill heater (not shown), a convection heater (not shown). The grill heater may be installed in the interior of the electric compartment 130, and the convection heater may be installed at the rear side of the cooking chamber 120. Since the structure and operation of the grill heater and the convection heater will be apparent to those skilled in the art, a detailed description thereof will be omitted.

The deodorizer 200 removes the odor emitted with the air discharged through the exhaust unit 150. 2 to 6, the deodorizer 200 includes an exhaust cover 210, a heat generating unit 220, and a catalyst unit 230.

The exhaust cover part 210 is disposed to cover the exhaust part 150. According to the present exemplary embodiment, the exhaust cover part 210 is illustrated to be disposed to cover the exhaust part 150 on the outside of the cavity 110, but is not limited thereto, and the inside of the cavity 110, that is, the cooking chamber 120. Various modifications are possible, such as being disposed to cover the exhaust part 150 inside.

The exhaust cover part 210 is formed in a polyhedral shape in which the side facing the cavity 110 is opened, and an accommodation space in which the heat generating part 220 to be described later is accommodated is formed in the exhaust cover part 210. In the present embodiment, the exhaust cover 210 is illustrated as being formed in a hexahedral shape, but is not limited thereto.

In the exhaust cover 210 as described above, a plurality of exhaust holes 215 are formed to communicate the inside of the exhaust cover 210 with the outside. The exhaust hole 215 is formed on at least one side of the exhaust cover part 210. In this embodiment, the exhaust hole 215 is illustrated as being formed on both sides of the exhaust cover portion 210 facing each other. According to the present embodiment, the air discharged into the exhaust cover unit 210 through the exhaust unit 150 is discharged to the outside of the exhaust cover unit 210 through the exhaust hole 215.

The heat generator 220 is accommodated in the exhaust cover 210 to generate heat. The heat generator 220 includes a heater 221 and the fixing frame 225.

The heater unit 221 is provided to generate heat. According to the present embodiment, the heater unit 221 is provided in a form including a plate heater that is formed to be bent. The heater unit 221 including the plate heater that is bent in this way can improve the deodorization efficiency by the contact area with the air discharged into the exhaust cover 210 is widened.

The heater unit 221 as described above may be operated by receiving the power supplied to the main body unit 110, the detailed structure and operation of such a heater unit 221 will be apparent to those skilled in the art, a detailed description thereof will be omitted. do.

The fixing frame part 225 fixes the heater part 221 to the exhaust cover part 210. The heater 221 is fixed to the exhaust cover 210, and the exhaust cover 210 is fixed to the exhaust cover 210 in a state where the heater 221 is fixed to cover the heater 221 by the exhaust cover. It is fixed to the portion (210). Preferably, the fixing frame 225 may be formed of an insulator. The fixing frame 225 may block the electricity or heat transmitted from the heater 221 to be transferred to the exhaust cover 210.

The catalyst unit 230 is provided outside the heat generating unit 220 and is heated by the heat generating unit 220. Specifically, the catalyst unit 230 is provided outside the heater unit 221 and is heated and activated by the heater unit 221. In the present embodiment, the catalyst unit 230 is formed to include platinum, and is illustrated as being coated on the surface of the heater unit 221.

According to the present embodiment, the heater unit 221 heats the catalyst unit 230 to a temperature suitable for activating the catalyst unit 230, for example, about 300 ° C. In this way, the catalyst unit 230 heated by the heater unit 221 is activated to perform the catalysis.

By the catalytic action of the activated catalyst unit 230 as described above, particles such as ammonia, which cause an odor emitted along with the air discharged through the exhaust unit 150, are decomposed by oxygen molecules on the surface of the activated platinum. Can be discharged. As a result, the odor discharged together with the air discharged through the exhaust unit 150 is removed by the deodorizer 200.

Hereinafter, the operation and effects of the deodorizer 200 and the microwave oven 300 including the same according to the present embodiment will be described with reference to FIGS. 1 to 5.

The outside air sucked by the cooling fan 136 during the operation of the microwave oven 300 cools heat generating parts such as the magnetron 132 and the high-pressure transformer 134 installed in the electric chamber 130, and then the intake unit. It is introduced into the cooking chamber 120 through the 140. The air introduced into the cooking chamber 120 is discharged through the exhaust unit 150, and the odor generated in the cooking process is also discharged through the exhaust unit 150 together with the air.

As such, the air discharged through the exhaust unit 150 and the odor included therein are introduced into the exhaust cover unit 210 of the filter device 200. Odor introduced into the exhaust cover 210 together with air is removed by the catalytic action of the activated catalyst unit 230 heated by the heater unit 221 of the heat generating unit 220.

The air from which the odor is removed is discharged to the outside of the deodorizer 200 through the exhaust hole 215 formed in the exhaust cover 210, and then the electrons are discharged through the exhaust port 116 formed in the bottom plate 115 or the outer case. Discharged to the outside of the range 300.

Table 1 below shows the result of measuring the value of the smell contained in the air discharged through the exhaust unit 150 according to the present embodiment, the value before the installation of the deodorizer 200 and the installation of the deodorizer 200 The result of comparing the following numerical value is shown.

Referring to Table 1, the value measured by the odor meter at the start of cooking is 228 ppb (parts per billion), which is the same as before the installation of the deodorizer 200 and after the installation of the deodorizer 200, but is measured by the odor meter at the end of cooking. The number is 460ppb before the installation of the deodorizer 200, 328ppb after the installation of the deodorizer 200, when the deodorizer 200 is installed can be seen that the value measured by the odor meter is reduced by about 29%. .

The deodorizer 200 and the microwave oven 300 having the same as described above are removed to the kitchen and indoor space by removing the odor emitted with the air or steam discharged through the exhaust 150 during cooking. By reducing the degree of odor, it is possible to maintain the comfort of the living environment.

Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and those skilled in the art to which the art belongs can make various modifications and other equivalent embodiments therefrom. I will understand. Therefore, the true technical protection scope of the present invention will be defined by the claims below.

1 is an exploded perspective view showing a portion of a microwave oven according to an embodiment of the present invention.

FIG. 2 is a perspective view of the microwave oven illustrated in FIG. 1.

3 is an enlarged perspective view of the deodorizer shown in FIG. 1.

Figure 4 is a perspective view showing the back of the deodorizing device shown in FIG.

FIG. 5 is an exploded perspective view illustrating a rear surface of the deodorizer shown in FIG. 3.

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

Explanation of symbols on the main parts of the drawings

100: main body 150: exhaust

200: deodorizer 210: exhaust cover

215: exhaust hole 220: heat generating portion

221: heater portion 225: fixing frame portion

230: catalytic part

Claims (7)

An exhaust cover part covering the exhaust part; A heat generating part accommodated in the exhaust cover part to generate heat; And Deodorizing apparatus comprising a catalyst portion that is heated and activated by the heat generating portion. The method of claim 1, wherein the heat generating unit, A heater unit generating heat; And Deodorizing apparatus comprising a fixing frame for fixing the heater to the exhaust cover. The method of claim 2, Deodorizer, characterized in that the heater comprises a plate heater that is formed to be bent. The method of claim 2, Deodorizing device characterized in that the fixing frame portion is formed of an insulator. The method of claim 1, Deodorizing device characterized in that the catalyst unit comprises platinum. The method of claim 1, Deodorizing device characterized in that the exhaust cover portion is formed with an exhaust hole for communicating the inside of the exhaust cover portion with the outside. A main body part in which an exhaust part is formed; And A microwave oven comprising the deodorizing device according to any one of claims 1 to 6, which removes the odor discharged through the exhaust unit.

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