KR20060037664A - Microwave oven - Google Patents

Abstract

The present invention relates to a microwave oven, and more specifically, to enable a variety of cooking for the cooking as well as to enable uniform cooking, heating the surface of the food using radiant heat simultaneously or selectively performed as necessary. It is about a new type of microwave oven.

To this end, the present invention is the main body having a full length room in one space; A cavity provided on the other space of the main body to form a cooking chamber, at least one circumferential surface of which a communication hole is formed, and a rear corner of which is rounded; A heater chamber provided on an upper surface of the cavity and provided with at least one grill heater for providing radiant heat on an inner space; A convection chamber is coupled to surround a portion in which the communication hole of one side of the cavity is formed, and a convection fan is provided on the inner space to provide a convection heater for providing convective heat and a convection fan driven to force convection generated by the convection heater. Wow; A convection motor for driving the convection fan; And, a microwave oven is provided, characterized in that it comprises a communication duct: for communicating between the heater chamber and the convection chamber.

Microwave, Grill, Convection, Communication Duct

Description

Microwave oven

1 is an exploded perspective view showing a general structure of a conventional convection microwave oven

Figure 2 is a side cross-sectional view schematically showing the internal structure of a conventional convection microwave oven

3 is an exploded perspective view schematically showing the structure of a microwave oven according to an embodiment of the present invention;

4 is a plan view schematically showing the internal structure of a microwave oven according to an embodiment of the present invention;

5 is a front view schematically showing the internal structure of a microwave oven according to an embodiment of the present invention;

6 is a side view schematically showing the internal structure of a microwave oven according to an embodiment of the present invention;

7 is a plan view schematically showing another embodiment of the microwave oven of the present invention

Explanation of symbols for the main parts of the drawings

100. Body 200. Cavity

300. Grill section 310. Grill heater

320. Heater chamber 400. Convection part

410. Convection Chamber 420. Convection Heater

440. Convection Fan 450. Convection Motor

500. Communication Duct

The present invention relates to a microwave oven, and more particularly, to a new type of microwave oven capable of simultaneously minimizing a mounting space and simultaneously performing a grill function and a convection function.

In general, a microwave oven (MWO) is a device for cooking food by the heat of intermolecular friction generated by disturbing the molecular arrangement of food by using a high frequency (about 2,450 MHz per second) as a heating source.

Such a microwave oven may be classified into a general microwave oven for cooking using a simple high frequency and a convection type microwave oven for cooking using the high frequency and high temperature heat.

1 and 2 show a conventional convection type microwave oven, and as can be seen from the conventional convection type microwave oven, the front plate 11, the out case 12, and the rear plate 13 are large. It is configured to include a main body 10 including, a cavity 20 for forming a cooking chamber, and an electrical equipment chamber in which various electrical components are installed.

Here, the front plate 11 forms a front surface of the main body 10 with its front surface mounted with a cavity door 14 for opening and closing the inside of the cavity 20.

In addition, the outer case 12 forms both sides and the upper surface of the main body 10 to protect the cavity 20 and the electric compartment together with the front plate 11 and the rear plate 13 from an external environment.

In addition, a plurality of communication holes (not shown) are formed in a substantially central portion of the rear plate 13 so as to communicate with the internal space of the cavity 20, and the rear plate 13 at the rear of the rear plate 13. A convection chamber 31 having an arbitrary space therebetween is provided.

At this time, a convection heater 32 and a temperature sensor (not shown) are provided inside the space of the convection chamber 31, and the convection heater 32 is provided on the inner side of the convection chamber 31. A convection fan 34 is mounted to convection the heat generated from the cavity 20, and a convection motor 35 for driving the convection fan 34 is provided at the rear of the convection chamber 31. It is mounted in axial engagement with the (34).

Further, behind the convection chamber 31, a chamber cover 37 that protects the convection chamber 31 and the convection motor 35 from an external environment is provided with the convection chamber 31 and the convection motor 35. It is fixed to the rear plate 13 while wrapping.

In this case, a plurality of air intake holes 37a are formed on the rear surface of the chamber cover 37 for inflow of air from the outside.

The electric chamber is a magnetron 41 for generating microwaves, a high voltage transformer 42 for supplying a high voltage to the magnetron 41, and a blowing fan for cooling various electric components inside the body 10. Various components including a 43 and a fan motor 44 for driving the blower fan 43 are mounted.

At this time, the fan motor 44 is fixedly mounted on the inner surface of one side of the rear plate 13, the shroud 45 is mounted around the blowing fan 43 to guide the flow of air.

However, the conventional convection type microwave oven configured as described above has a large front and rear length due to the thickness of the convection chamber 31 and the chamber cover 37 installed at the rear side thereof, so that it is not only inconvenient to install, but also a lot of installation space. There is a problem that it is necessary.

In particular, in the case of export products, there is a problem that the burden of transportation costs is inevitably increased because the quantity of the container is reduced.

In addition, since there are many configurations for high temperature heat generation and convection, not only the overall manufacturing cost is expensive, but also many assembly processes are required.

In addition, the conventional convection type microwave oven performs cooking on the food in the cooking chamber as a convection principle, but does not perform surface heating of the food using radiant heat.

Because of this, there is also a problem that could not achieve a variety of cooking.

The present invention has been made to solve the conventional problems as described above, the object of the present invention is to enable a variety of cooking for the cooking as well as to enable uniform cooking, heating the surface of the food using radiant heat Another object of the present invention is to provide a new type of microwave oven which can be performed simultaneously or selectively as needed.

According to an aspect of the present invention for achieving the above object, the main body having a full length room in one side space; A cavity provided on the other space of the main body to form a cooking chamber, and at least one circumferential surface having a communication hole formed therein; A heater chamber provided on an upper surface of the cavity and provided with at least one grill heater for providing radiant heat on an inner space; A convection chamber is coupled to surround a portion in which the communication hole of one side of the cavity is formed, and a convection fan is provided on the inner space to provide a convection heater for providing convective heat and a convection fan driven to force convection generated by the convection heater. Wow; A convection motor for driving the convection fan; And, a microwave oven is provided, characterized in that it comprises a communication duct: for communicating between the heater chamber and the convection chamber.

Here, the communication duct for communicating between the heater chamber of the grill portion and the convection chamber of the convection portion is further provided.

Hereinafter, exemplary embodiments of the microwave oven of the present invention will be described in detail with reference to FIGS. 3 to 7.

First, as shown in FIGS. 3 to 6, the microwave oven according to the exemplary embodiment of the present invention includes a main body 100, a cavity 200, a grill part 300, and a convection part 400. do.

Here, the main body 100 includes a front plate 110 and a rear plate 130, the one side space is formed in the electric compartment.

At this time, the outer case 120 that forms both sides and the upper surface is coupled to the outside of the main body 100.

In addition, various electrical components such as a high voltage transformer 42 and a magnetron 41 are provided in the electrical compartment of the main body 100.

The cavity 200 is provided on the other side space of the main body 100 to form a cooking chamber.

At this time, at least one circumferential surface of both sides and the upper surface of the cavity 200 is formed with communication holes 210 and 220 communicating with the cooking chamber, which is an inner space thereof.

The communication holes 210 and 220 are more preferably formed on both side surfaces and the upper surface of the cavity 200, respectively.

In particular, the rear edge portion of the cavity 200 is preferably rounded.

This is because when the microwave oven of the present invention is also configured to perform a grill function, a lot of garbage is generated from food during the grill function.

That is, only when the corner portion of the cavity 200 is formed to be round, smooth cleaning is possible, thereby improving the reliability of the user.

In addition, by eliminating the corner portion of the cavity 200, the microwave can be uniformly radiated to all the inside of the cooking chamber, and the heat flowing in the cooking chamber can be smoothly flowed along the rounded surface to uniform cooking. The heating of the water can be made.

Of course, all of the rear side of the cavity 200 may be formed in a circular shape.

In addition, the grill part 300 is provided on the upper surface of the cavity 200 and is configured to provide radiant heat into the cooking chamber. The role of the grill unit 300 mainly serves to provide a radiant heat to the surface of the food to perform the grill function to make the food look more delicious.

The grill unit 300 includes at least one grill heater 310 and a heater chamber 320.

At this time, the grill heater 310 provides radiant heat by the heat generated, and is any one of a quartz tube heater, sheath heater, and miracron heater. The embodiment is a tube heater.

In addition, the heater chamber 320 is formed to block the grill heater 310 from the external environment, the inner space of the cooking chamber through the communication hole 210 formed on the upper surface of the cavity 200. In communication with the interior space.

Of course, although not shown, a portion of the upper surface of the cavity 200 in which the heater chamber 320 is mounted is formed to be completely opened, and may be configured to be blocked from the external environment by the heater chamber 320. .

In particular, the inner wall surface of the heater chamber 320 is more preferably formed to be able to reflect light so as to serve as a reflector.

In addition, the convection unit 400 is provided on one side of the cavity 200 and is configured to provide convective heat into the cooking chamber. The role of the convection unit 400 serves to learn the inside of the food as the convection heat.

The convection unit 400 includes a convection chamber 410, a convection heater 420, a convection fan 440, and a convection motor 450.

The convection chamber 410 is coupled to surround a portion where the communication hole 220 is formed on the side of the cavity 200 and is formed to have a predetermined space therein.

In addition, the convection heater 420 is provided inside the convection chamber 410, and provides convective heat into the cooking chamber by the heat generated.

In this case, the convection heater 420 may be configured of any one of a quartz tube heater, sheath heater, and miracron heater.

In addition, the convection fan 440 is provided inside the convection chamber 410 and is driven to force convection of heat generated by the convection heater 420 into the cooking chamber.

In addition, the convection motor 450 serves to drive the convection fan 440.

At this time, the convection motor 450 is coupled to be exposed to the outside of the convection chamber 410, the axis is preferably configured to be coupled to the convection fan 440 through the convection chamber 410.

Convection portion 400 according to an embodiment of the present invention as described above is preferably provided on the space opposite to the space in which the electric chamber of the body 100 is formed, as shown in Figure 7 of the main body 100 It may be provided on the space in which the electric chamber is formed.

In addition, the grill unit 300 and the convection unit 400 according to the embodiment of the present invention may be interchanged with each other, but the cooking unit may be provided if the grill unit 300 is provided on one side of the cavity 200. It is not preferable because the uniform heating of the foods inside is difficult.

On the other hand, in the embodiment of the present invention is characterized in that the communication duct 500 is further provided to communicate between the grill portion 300 and the convection portion 400.

At this time, the communication duct 500 has one end connected to the side surface of the heater chamber 320 constituting the grill 300, the other end of the convection chamber 410 of the convection unit 400. It is connected in communication with the circumference.

The communication duct 500 may prevent cooking failure due to providing heat to a local part by allowing hot heat to be supplied to two parts of the cooking chamber when the microwave oven performs the convection function. It is.

In this case, the convection fan 440 constituting the convection part 400 may provide some of the air straight into the cooking chamber through the communication hole 220 formed on the side of the cavity 200, and at the same time, some of the other air may be provided. More preferably, the fan is formed of a fan (eg, an anti-fan) formed to be blown to a portion communicating with the communication duct 500.

Hereinafter, an operation process according to an embodiment of the present invention having the above-described series of structures will be described.

First, in the state where the object to be cooked is put into the cooking chamber, the user makes a selection for driving.

In this case, the selection for the operation may be cooking with a general microwave, cooking using a grill function, cooking using a convection function, and the like. Of course, there may be an operation in which cooking using two or more functions is performed at the same time.

In addition, if the user selects cooking using the grill function in the above-described process, power is supplied to the grill heater 310 constituting the grill unit 300 in a state in which the operations of the convection unit 400 are all stopped.

Of course, at this time, while the operation of the magnetron 41 is made at the same time, the food may be cooked by the radiant heat of the microwave and the grill heater 310 at the same time.

If the user selects the cooking using the convection function, power is supplied to the grill heater 310 and at the same time, power is supplied to the convection heater 420 and the convection motor 450 constituting the convection unit 400.

In this case, inside the heater chamber 320, high-temperature radiant heat is generated due to the heat generated by the grill heater 310, and the generated radiant heat is discharged into the cooking chamber.

In this case, a high temperature heat is generated inside the convection chamber 410 due to the heat generated by the convection heater 420, and the generated high temperature is caused by the rotation of the convection fan 440 by the driving of the convection motor 450. Forced convection takes place for the heat of the.

At this time, some of the forced hot convection heat is discharged into the cooking chamber through the communication hole 220 on the side of the cavity 200 is surrounded by the convection chamber 410, the other part of the convection chamber 410 It is flowed to a portion communicating with the communication duct 500 while being guided along the inner circumferential surface.

Subsequently, hot air flowing into the communication duct 500 is transferred into the heater chamber 320 mounted on the upper surface of the cavity 200 while being guided by the communication duct 500, and then the top surface of the cavity 200. It is discharged into the cooking chamber through the communication hole 210 formed in.

Therefore, the food in a cooking chamber is cooked by the high temperature convection heat provided from the side piece and upper part of the said cooking chamber, and the high temperature radiant heat provided from the upper part of the said cooking chamber.

As a result, due to the above-described configuration and operation according to the embodiment of the present invention, the cooking of the food is performed uniformly by performing surface heating using the grill function and convection heating using the convection function simultaneously from at least two places in the cooking chamber. One cooking is possible.

As described above, the microwave oven according to the present invention has the following effects.

First, the microwave oven according to the embodiment of the present invention has the effect that the grill function and the convection function can be simultaneously implemented.                     

Second, the microwave oven according to the embodiment of the present invention has an effect that uniform cooking is possible because convection heat provided during the convection function is simultaneously supplied from at least two places in the cooking chamber.

Third, the microwave oven according to the embodiment of the present invention has the effect that the increase in the overall length and height can be prevented despite the imposition of each function by providing the grill portion on the upper surface of the cavity and the convection portion on the side of the cavity. Have

Claims (16)

A main body having a full length room as one space; A cavity provided on the other space of the main body to form a cooking chamber, and at least one circumferential surface having a communication hole formed therein; A heater chamber provided on an upper surface of the cavity and provided with at least one grill heater for providing radiant heat on an inner space; A convection chamber is coupled to surround a portion in which the communication hole of one side of the cavity is formed, and a convection fan is provided on the inner space to provide a convection heater for providing convective heat and a convection fan driven to force convection generated by the convection heater. Wow; A convection motor for driving the convection fan; And, And a communication duct for communicating between the heater chamber and the convection chamber. The method of claim 1, The rear edge portion of the cavity is characterized in that the microwave oven is rounded. The method of claim 1, The grill heater A microwave oven, characterized in that the heater of any one of a quartz tube sheath (sheath) heater, miracron (miracron) heater. The convection motor is coupled to be exposed to the outside of the convection chamber, the shaft of which is coupled to the convection fan through the convection chamber. The method of claim 1, The convection unit Microwave oven, characterized in that provided on the space opposite to the space in which the electric chamber of the main body is formed The method of claim 1, The convection unit Microwave oven, characterized in that provided on the space where the electric chamber of the main body is formed. A main body having a full length room as one space; A cavity provided on the other space of the main body to form a cooking chamber, and at least one circumferential surface having a communication hole formed therein; A grill unit provided on an upper surface of the cavity and configured to provide radiant heat into the cooking chamber; And, And a convection unit provided on one side of the cavity to provide convective heat into the cooking chamber. The method of claim 6, The rear edge portion of the cavity is characterized in that the microwave oven is rounded. The method of claim 6, The grill part At least one grill heater for providing radiant heat, Microwave oven comprising a heater chamber for blocking the grill heater from the external environment. The method of claim 8, The grill heater A microwave oven, characterized in that the heater of any one of a quartz tube sheath (sheath) heater, miracron (miracron) heater. The method of claim 6, The convection unit A convection chamber coupled to surround a portion where the communication hole on the side of the cavity is formed and having a predetermined space therein; A convection heater provided in the convection chamber for providing convective heat; A convection fan provided inside the convection chamber and driven to force convection of heat generated by the convection heater; And, A convection motor for driving the convection fan. The method of claim 10, The convection motor is coupled to be exposed to the outside of the convection chamber, the shaft of which is coupled to the convection fan through the convection chamber. The method of claim 6, Microwave oven further comprises a communication duct for communicating between the grill portion and the convection portion. The method of claim 12, The grill part At least one grill heater for providing radiant heat, Microwave oven characterized in that it comprises a heater chamber that is connected to the communication duct in communication with the side and at the same time the grill heater for the external environment. The method of claim 12, The convection unit A convection chamber coupled to surround a portion in which a communication hole of the cavity side is formed, having a predetermined space therein, and having a circumferential surface connected to the communication duct; A convection heater provided in the convection chamber for providing convective heat; A convection fan provided inside the convection chamber and driven to force convection of heat generated by the convection heater; And, A convection motor for driving the convection fan. The method of claim 6, The convection unit Microwave oven, characterized in that provided on the space opposite to the space in which the electric chamber of the main body is formed The method of claim 6, The convection unit Microwave oven, characterized in that provided on the space where the electric chamber of the main body is formed.

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