KR101695410B1 - Cauldron type induction cooker using electromagnetic induction device - Google Patents

Abstract

In the present invention, the inner pot and the heating device are separated, and the heating device is coupled to the inner pot only when cooking, so that the cooking can be performed by the induction coil. The same principle as the cauldron is applied by the electromagnetic induction method of the induction coil, The present invention relates to an induction cooker of a cauldron type using an electromagnetic induction device in which food is cooked by a cooking utensil, and includes an inner pot storage box in which a door is installed on a front surface and an inner pot containing food is stored so that food can be cooked; A heating device installed inside the inner pot storage box for heating the inner pot on the same principle as a cauldron; And a lifting / lowering device connected to the inner pot storage box and the heating device to raise / lower the heating device so as to be engaged with or separated from the inner pot. The heating device is coupled to the inner pot only during cooking, Since the heat is circulated in the inner pot, the food is uniformly cooked, the flavor is the same as that cooked in the cauldron, and the heat is circulated in the inner pot, so that heat loss can be minimized, It is possible to prevent the loss as much as possible and shorten the time for cooking the food.

Description

[0001] The present invention relates to a Cauldron type induction cooker using an electromagnetic induction device,

[0001] The present invention relates to an induction cooker of a cauldron type using an electromagnetic induction device, and more particularly, to an induction cooker for an induction cooker which comprises an inner pot and a heating device separated from each other, Type induction cooker using an electromagnetic induction device for cooking food by applying a heat circulation principle such as a cauldron by a method of the present invention.

In general, an electromagnetic cooker can be roughly divided into a heat plate type and an induction heating type depending on the heating type.

In the electromagnetic induction method, when a current is supplied to a coil formed in a heating section, a magnetic force line of the coil is generated. When the magnetic flux line passes through a lower portion of the container placed on the upper portion, a resistance component (iron component) As a result, the swirling current is generated only by heating the container, so that the heat energy is not transferred to the other components except the container, and induction heating is performed to heat only the container.

If the contact between the inner pot and the coil is removed, the heating is stopped instantaneously, which saves electricity because it is safe, energy efficient, and less heat transfer to other parts.

The rice cooker using the electromagnetic induction method forms an inner pot in which the rice is placed in a heated container, and a copper coil is wound around the inner pot, and a strong current is flowed to form a magnetic force line around the coil, The whole is heated, and rice flour is cooked evenly, so that it is possible to make a shiny and delicious rice.

Accordingly, many related technologies have been developed, and examples of related related arts disclosed are disclosed in Korean Patent Publication No. 2011-0078393, Korean Patent Publication No. 2010-0042495, Korean Patent Publication No. 2008-0087766, Korean Patent Publication No. 2006-0015427, 2005-0039970, and the like.

However, most of the techniques known in the art, including these starting techniques, are equivalent to a single circular rice cooker, which is disadvantageous in that mass processing is difficult and power consumption is high.

As another example, although the steam system has been disclosed in connection with the multi-stage rice cooker, there are many inconveniences such as complicated construction of equipment and restriction of movement, such as having a steam line.

In order to solve the above-mentioned problems, a configuration of Patent Publication No. 1284871 (hereinafter referred to as "prior art") includes a main body having a plurality of chambers partitioned vertically into upper and lower portions; An induction coil installed on a bottom surface of the chamber; A ceramic glass placed on the induction coil; A cooking container which is drawn into the chamber and is seated on the upper surface of the ceramic glass; A fan installed on the rear surface of the chamber so as not to interfere with the cooking vessel; A duct formed on a back surface of the main body and communicating with the chamber, the duct discharging the inside air; A controller connected to the induction coil and the fan, the controller being connected to one side of the main body and corresponding to the chamber, for applying and controlling power; And a plurality of generators built in one side of the main body and generating power to be applied to the induction coil while being connected to and controlled by the controller.

In the conventional art having the above-described structure, even when the door installed on the front surface of the main body is closed, the main body is cooked, so that a certain pressure can not be formed inside the main body.

In addition, in the prior art, since the induction coil is installed at a position where the cooking vessel is located, and the induction coil is not fitted to the cooking vessel, the portion that generates heat when the position of the cooking vessel and the induction coil do not match So that the cooking is not properly performed.

Korean Registered Patent No. 10-1284871 (published on July 17, 2013)

SUMMARY OF THE INVENTION [0006] The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a cooking pot type induction cooker using an electromagnetic induction device using a principle that a heating device is coupled to an inner pot only during cooking, .

It is another object of the present invention to provide a cauldron-type induction cooker using an electromagnetic induction device in which an inner pot storage box in which an inner pot is installed is formed in a multi-stage configuration such as one stage, two stages or three stages.

In addition, in a state where the inner pot is installed in the inner pot storage box and the door is not closed accurately in the inner pot storage box, the food is prevented from being cooked so as to prevent a short circuit caused by the power supply and a certain pressure is applied to the inside of the inner pot storage box, The present invention provides an induction cooker of a cauldron type using an electromagnetic induction device that makes the taste of food to be felt.

According to an aspect of the present invention, there is provided an inner pot storage box having a door on a front surface thereof and an inner pot containing food therein for cooking food; A heating device installed inside the inner pot storage box for heating the inner pot on the same principle as a cauldron; And a lifting / lowering device connected to the door and the heating device to raise / lower the heating device so as to be engaged with or separated from the inner pot.

The inner pot storage compartment of the present invention is formed of one of the first, second, third, or multi-stage, and forms a cooking cavity in which an inner pot is housed on the inner side. The door is rotatably supported on the front surface of the cooking cavity A rising / lowering bar interlocked with the opening and closing of the door so as to raise and lower the heating device is installed on one side of the door so that the inner pot is completely drawn into the cooking cavity or the inner pot is easily taken out of the cooking cavity The inner pot contact portion is formed on one side of the door.

The heating apparatus of the present invention comprises: an outer pot located in a downward direction of an inner pot and having an inner side formed in the same manner as the outer shape of the inner pot; An induction coil installed on the outer surface of the outer pot to be installed in any one of a single type, a dual type, a triple type, a quad type and a multi-stage type on the outer side of the outer pot; And a coil fixing member provided on the outer side of the outer pot so that the induction coil is fixed to the outer side of the outer pot.

The induction coil of the present invention is formed on the bottom surface of the inner pot and the side surface of the inner pot so that the heat generated inside the inner pot can be circulated in the vertical direction around the center.

The elevating and lowering device of the present invention includes a plurality of elevating bars provided on one side of a door to raise and lower the heating device in conjunction with opening and closing of the door, A stationary panel located below the outer pot; A bracket fixed to both sides of the fixed panel to be positioned outside the outer pot; A lifting / lowering wire connected to one side of the lifting bar and one side of the bracket so as to move the outer pot upward and downward in the cooking space; And a first guide roller rotatably installed inside the cooking cavity and coupled with the lifting / lowering wire.

The present invention is characterized in that a plurality of second guide rollers for guiding the rising and falling bars are formed in the cooking space.

In the present invention, the heating device is coupled to the inner pot only during cooking, and the heat is circulated in the inner pot by using the same principle as the cauldron, so that the food is uniformly cooked and the flavor is the same as cooking the food in the cauldron.

In addition, by circulating heat in the inner pot, it is possible to reduce the heat loss to the utmost, reduce the cost due to heat loss, and prevent the heat loss to the utmost, thereby cooking food in a short time.

Further, since the inner pot storage box for storing the inner pot is formed in multiple stages such as one-stage, two-stage, and three-stage, the user can cook various foods simultaneously using the inner pot storage box formed in multiple stages.

In addition, when the inner pot is installed in the inner pot storage box and the door is not correctly closed in the inner pot storage box, the food is prevented from being cooked, thereby preventing a short circuit caused by the power supply. have.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a diagram showing the internal configuration of a cauldron type induction cooker using an electromagnetic induction device of the present invention. Fig.
FIG. 2 is a view showing the configuration of a raising and lowering means of a pot-type induction cooker using the electromagnetic induction device of FIG. 1; FIG.
[0001] The present invention relates to an induction cooker, and more particularly,
Fig. 4 is a view showing a state in which the heating apparatus is coupled to the inner pot of Fig. 1; Fig.
Fig. 5 is a view showing a state in which heat is purified in the inner pot by the heating device of Fig. 1; Fig.
FIG. 6 is a view showing an inner pot storage box in a state where a cauldron type induction cooker using an electromagnetic induction device is applied. FIG.

While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and will herein be described in detail.

It should be understood, however, that the invention is not intended to be limited to the particular embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

Like reference numerals are used for similar elements in describing each drawing. The terms first, second, etc. may be used to describe various components, but the components are not limited by the terms. The terms are used only for the purpose of distinguishing one component from another.

For example, the term "and / or" includes any combination of a plurality of related listed items or any of a plurality of related listed items.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the meaning in the context of the relevant art and are to be construed as ideal or overly formal in meaning unless explicitly defined in the present application Should not.

The specific terminology used in the following description is provided to aid understanding of the present invention, and the use of such specific terminology may be changed into other forms without departing from the technical idea of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the construction of a cauldron type induction cooker using an electromagnetic induction device according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a view showing the internal construction of a cauldron type induction cooker using the electromagnetic induction device of the present invention, FIG. 2 is a view showing a constitution of a raising and lowering means of a cauldron type induction cooker using the electromagnetic induction device of FIG. 1, FIG. 4 is a view showing a state in which a cauldron type induction cooker of FIG. 1 is drawn into the inside of the inner pot storage box, FIG. 5 is a sectional view of the induction cooker of FIG. FIG. 6 is a view showing an inner pot storage box in which a pot-shaped induction cooker using an electromagnetic induction device is applied. FIG.

Referring to Figs. 1 to 6, the present invention provides an inner pot storage box 200 in which an inner pot 100 containing food is stored; A controller 300 for controlling power on / off, temperature setting, time setting, and door closing state for cooking food contained in the inner pot 100 of the inner pot storage box 200; A heating device 400 installed on the inner pot and heating the inner pot on the same principle as a cauldron; And an elevating and lowering device 500 which is connected to the inner pot storage box 200 and the heating device 400 and which is coupled to or separated from the inner pot 100 by raising and lowering the heating device 400.

The inner pot storage box 200 has a cooking space 210 in which the inner pot 100 is stored and is formed at one of the first, second, third, or multi-stage, The inner pot 220 is provided on the door 220 so as to be completely inserted into the cooking space 210 or to easily take the inner pot 100 out of the cooking space 210 The inner pot contacting portion 230 is formed.

A handle is further formed on the front surface of the door 220 so that the door 220 can be conveniently opened and closed when the door 220 is opened or closed.

A plurality of wheels 231 are provided on one side of the inner pot contacting portion 230 to receive the inner pot 100 from the cooking space and a plurality of wheels 231 are provided so as to be lightly taken out while feeling less weight of food contained in the inner pot 100. [ Can be installed.

A plurality of guide rails 240 are installed on the inner wall surface of the inner pot storage box 200 having the cooking space 210 formed therein and a plurality of rollers are formed on the guide rails 240, And at the same time, the user can feel the weight of the food contained in the inner pot 100 with less feeling while moving it.

The inner pot 100 is preferably made of a material such as iron, iron casting, chromium alloy, or copper, and is preferably made of a material that reacts quickly with a magnetic force line and generates induction current as much as possible.

The controller 300 includes a power switch for applying or cutting off power to the heating device 400, a time setting switch for setting a time for applying heat to the food in a state in which the power is applied, A temperature setting switch for setting the temperature when the inner pot 100 is heated, a sensor installed on the inner pot storage 200 for detecting whether the door 220 is completely closed, A setting switch, a temperature setting switch, and a microcomputer for receiving and controlling signals from the sensor.

The configuration of the controller 300 is a configuration commonly used by a device for cooking food using the heating device 400. This configuration can be easily carried out by those skilled in the art, Is omitted.

The heating apparatus 400 includes an outer pot 410 positioned in the cooking space 210 in a downward direction where the inner pot 100 is located and having an inner shape similar to an outer shape of the inner pot 100, An induction coil 420 provided on the outer surface of the outer pot 410 and installed in any one of a single type, a dual type, a triple type, a quad type and a multi-stage type; And a coil fixing member 430 installed outside the outer pot 410 to be fixed to the outer periphery of the outer pot 410.

Preferably, the outer pot 410 is formed of a synthetic resin material resistant to heat so as to withstand the heat generated by the inner pot 100.

It is more preferable to use a polybutylene terephthalate resin as the polyester thermoplastic resin, and it is most resistant to heat among the thermoplastic resins. It has a property that it can not be deformed even at about 150 ° C.

The induction coil 420 is connected to the bottom surface of the outer pot 410 and one side of the bottom surface of the inner pot 100 so that the heat generated in the outer pot 410 can circulate in the vertical direction about the center It is formed to be addressed.

The induction coil 420 is not limited to being formed on one side of the bottom surface and the bottom surface of the outer pot 410 as described above, The installation position can be configured differently.

The elevating and lowering device 500 includes a plurality of elevating and lowering bars 510 installed on one side of the door 220 to move up and down the heating device 400 in conjunction with opening and closing of the door 220, A bracket 530 which is fixed to both sides of the fixing panel 520 and is located outside the outer pot 410 and a bracket 530 which is fixed to both sides of the fixing panel 520 and a lifting bar 510, Descending wire 540 connected to one side of the cooking cavity 210 and one side of the bracket 530 so as to move the outer pot 410 upward and downward in the cooking cavity 210, And a first guide roller 550 which is installed to be coupled with the lifting / lowering wire 540. A plurality of second guide rollers 560 are rotatably installed in the cooking space 210 so as to guide the lifting bar 510 when the heating device 400 is lifted and lowered.

The lifting bar 510 is formed with a fixing hole 511 to which the lifting wire 540 is fixed and a fixing hole 511 is formed at one side of the fixing hole 511 so that a part of the lifting wire 540 is wound. And a wire position groove 513 is formed to allow the lifting wire 540 wound on the fixing rod 512 to be coupled.

As shown in the drawing, the lifting bar 510 is installed in the inner pot storage box 200 so as to support the inner pot when the weight of the inner pot 100 is loaded on the door 220 in a state that the door 220 is completely opened, The support protrusions 514 are formed.

In the cooking process using the induction cooker using the electromagnetic induction device according to the present invention, the user places the inner pot in the inner pot 100 and the inner pot 200 in order to cook the food. The door 220 is opened.

The door 220 is opened while rotating around the hinge axis at the front of the inner pot storage box 200 and the cooking space 210 of the inner pot storage box 200 is seen by opening the door 220.

When the elevating bar 510 formed at one side of the door 220 moves together with the door 220, the elevating and lowering wire 540 coupled to the elevating bar 510 is loosened and the heating device 400 ) To the lower side of the cooking space.

The user moves the inner pot 100 including the food into the inner pot contacting portion 210 formed at one side of the door 220. In this case, 230 in the cooking space 210.

The inner pot 100 moving to the cooking space 210 moves to the cooking space 210 while being guided and supported by the guide rail 240 formed on the inner wall surface of the inner pot storage box 200 and the roller.

When a user closes the door 220 while the inner pot 100 is moved to the cooking space 210, a plurality of upward and downward bars 510 are moved to one side of the door 220, 540).

The lifting and lowering wire 540 pulled by the lifting bar 510 is supported by the first guide roller 550 provided in the cooking space 210 and the heating device 400 coupled to the lifting and lowering wire 540, The bracket 530 is moved to the upper side of the cooking space 210.

The outer pot 410 coupled to the bracket 530 moves together and the outer pot 410 moves upward to the upper portion of the cooking space 210 and is brought into close contact with the lower portion of the inner pot 100 supported by the guide rail 240.

When power is applied to the outer pot 410 coupled to the inner pot 100 by the ascending and descending wire 540, power is applied to the induction coil 420 installed on the outer bottom surface and the side surface of the outer pot 410, respectively A magnetic force line is generated in the induction coil 420 to which the power is applied and the magnetic force lines act on the inner pot 100 to generate heat and cook the food by the heat of the inner pot 100.

Since the induction coil 420 in which the induction current is generated is partly provided on the side surface of one side of the bottom surface and the bottom surface of the outer pot 410 in the induction current generated by the induction coil 420, The heat is circulated inside the inner pot by the same principle as when the fire is applied to the inner pot.

The heat generated from the inside of the cauldron is transferred to the upper side along the inner side of the cauldron by heat transmitted from the bottom surface and the side surface of the cauldron, It circulates to the bottom of the cauldron through the part and acts to evenly cook the food.

In the inner pot 100 of the present invention, heat is circulated and the food contained in the inner pot 100 is uniformly smoothened, similar to the operation of circulating heat in the cauldron as described above.

When cooking of the food contained in the inner pot 100 is completed by the induction coil 420, the user opens the door 220 provided on the front surface of the inner pot storage box 200.

When the door 220 is opened, the elevating bar 510 installed on one side of the door 220 rotates in the same direction as the direction of rotation of the door 220 and is coupled to one side of the elevating bar 510 The ascending / descending wire 540 having a loosened portion moves the bracket 530 downward in the cooking space. At this time, the ascending / descending wire 540 is guided by the first guide roller 550.

The elevating bar 510 installed at one side of the door 220 is guided by a second guide roller 560 installed in the cooking space 210.

As the bracket 530 moves downward in the cooking space 210, the outer pot 410 coupled to the bracket 530 moves together with the inner pot 100 and is separated from the inner pot 100.

When the user holds one side of the inner pot 100 and pulls it toward the door 220 in a state where the outer pot 410 and the inner pot 100 are separated from each other, the inner pot 100 is guided by the guide formed on the inner wall surface of the inner pot storage box 200 And moves along the rail 240 while being supported.

Since the inner pot contacting portion 230 formed on one side of the door 220 is positioned at the lower portion of the inner pot 100, the inner pot 100 can be easily taken out because the frictional force is very small.

The heating device 400 is coupled to the inner pot 100 only at the time of cooking, so that the heat is circulated using the same principle as the cauldron, so that the food is uniformly cooked and the flavor is the same as when the food is cooked in the cauldron .

In addition, by circulating the heat in the inner pot 100, it is possible to reduce the heat loss to the utmost, reduce the cost due to heat loss, and maximize the heat loss to cook the food in a short time.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood that various modifications and changes may be made thereto without departing from the scope of the present invention.

100: inner pot 200: inner pot storage box
210: a cooking space 220: a door
230: inner pot contact portion 231: wheel
240: Guide rail 241: Roller
300: controller 400: heating device
410: outer pot 420: induction coil
430: coil fixing member 500: ascending / descending device
510: Up and down bar 511: Fixing hole
512: Fixing rod 513: Wire position groove
514: Support protrusion 520: Fixed panel
530: Bracket 540: Up and down wire
550: first guide roller 560: second guide roller

Claims (6)

An inner pot storage box 200 in which a door 220 is installed on the front surface and an inner pot 100 containing food is stored so that food can be cooked;
A heating device 400 installed inside the inner pot storage box 200 and heating the inner pot 100 by applying a heat circulation principle such as a cauldron;
The heating device 400 is connected to the door 220 and the heating device 400 to move up and down the heating device 400 so that the door 220 can be engaged with or separated from the inner pot 100, Descending bar 510 installed at one side of the door 220 to raise and lower the outer pot 410 and the fixed panel 520 located below the outer pot 410; A bracket 530 fixed to both sides of the fixing panel 520 so that the outer pot 410 can be lifted up and down in the cooking space 210, Descending device 500 comprising a lifting wire 540 connected between the lifting and lowering wire 530 and a first guide roller 550 rotatably installed on one side of the lifting and lowering bar 540 in combination with the lifting and lowering wire 540;
And an electromagnetic induction cooker for heating the rice cooker.
The method according to claim 1,
The inner pot storage box (200)
A cooking space 210 is formed on one side of the first, second, third, or multi-stage to house the inner pot 100,
A door 220 is installed on the front surface of the cooking space 210 so as to be rotatable about a hinge axis,
The inner pot contacting portion 230 is formed on one side of the door 220 so that the inner pot 100 can be completely inserted into the cooking space 210 or the inner pot 100 can be easily taken out of the cooking space 210 Wherein the electromagnetic induction device is a microwave oven.
3. The method of claim 2,
The heating device (400)
An outer pot 410 located in a downward direction of the inner pot 100 and having an inner side formed in the same shape as the outer shape of the inner pot 100;
An induction coil 420 provided on the outer surface of the outer pot 410 and installed on the outer side of the outer pot 410 in any one of a single type, a dual type, a triple type, a quad type and a multi-stage type;
A coil fixing member 430 installed on the outer side of the outer pot 410 so that the induction coil 420 is fixed to the outer side of the outer pot 410;
Wherein the induction cooker further comprises an electromagnetic induction device.
The method of claim 3,
The induction coil 420
Wherein the inner pot (100) is disposed on one side of the bottom surface and one side of the bottom surface of the inner pot (100) so that heat generated in the inner pot (100) Induction cooker.
delete The method according to claim 1,
The rising / falling bar 510
Wherein a plurality of second guide rollers (560) for guiding the up / down bar (510) are formed in the cooking space (210).

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