JP2584351B2 - Heating cooker - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heating cooker, and more particularly, to a heating cooker provided with an electromagnetic induction heating means, a high frequency heating means and the like, and capable of automatically stirring an object to be cooked. is there.

[0002]

2. Description of the Related Art As an example of a heating cooker for performing cooking by rotating a container in which an object to be cooked is placed, Japanese Utility Model Application Laid-Open No. 58-14.
There is one disclosed in Japanese Patent No. 2893. This heating cooker mounts a container containing an object to be cooked on a turntable provided in a cooking chamber, performs high-frequency heating while rotating the container, and a stirrer attached to the cooking chamber above the container. Is inserted into the object to be cooked, and the object to be cooked is stirred to achieve uniform heating.

A heating cooker having both a heating means such as a heater and a microwave heating means is disclosed in
There is one disclosed in Japanese Patent No. 29510. This heating cooker comprises a pan case vertically arranged with an opening upward in the heating chamber, a heater and a magnetron for heating an object to be cooked in the pan case, a shaft, a motor, and the like. , And blades attached to one end of the shaft in the pan case for stirring the object to be cooked.

In such a heating cooker, a pan case containing an object to be cooked is set in a heating chamber, the pan case is rotated by a rotation driving means, and the pan case is rotated by a heater and / or a magnetron. Cooking is performed by heating the food, and the blades are rotated during the heating to make the heating of the food uniform.

[0005]

In the above-mentioned conventional heating cooker, a stir bar or a blade is provided in the object to be cooked in order to make the heating uniform. The cooking is not sufficiently agitated and the heating is not uniform because heating is interrupted during cooking and the cooking is agitated. However, there have been various problems such as cooling or loss of shape.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and the object to be cooked in the cooking pot can be automatically and sufficiently stirred during heating so that the heating can be uniformed. It is an object of the present invention to obtain a heating cooker capable of adjusting a wide range.

[0007]

A heating cooker according to the present invention has a heating chamber having an inclined surface at least in a part of a bottom surface,
A turntable disposed in the heating chamber in close proximity to the inclined surface, a rotation driving means disposed outside the heating chamber and having an output shaft connected to the turntable orthogonal to the inclined surface, And a high-frequency heating means disposed in the heating chamber, the electromagnetic induction heating means being disposed in the vicinity of the inclined surface on the outside of the device.

In addition, a heating chamber provided in the outer box, a turntable disposed in the heating chamber in close proximity to the bottom surface thereof, and a rotation driving means disposed outside the heating chamber for rotating the turntable. And an outer box containing the electromagnetic induction heating means and the high-frequency heating means disposed in the heating chamber and the heating chamber, the rotation driving means, etc. It is provided with a supporting means for supporting as much as possible and an angle adjusting means for inclining the outer box.

Further, in the above cooking device, at least a part of the inclined surface or the bottom surface of the heating chamber is made of a material that does not generate heat by electromagnetic induction heating or a material that generates heat by electromagnetic induction heating.

Further, a heating means such as a heater is provided in a heating chamber of the cooking device.

[0011]

The cooking pot containing the object to be cooked is set on a turntable, and the cooking pot is rotated by the rotation driving means, and the object is cooked by the electromagnetic induction heating means and / or the high frequency heating means. Heat and cook.

[0012] Further, the cooking pot containing the object to be cooked is set on a turntable, and the cooking pot is tilted to a desired angle (including the angle 0) by the angle adjusting means. Next, the cooking pot is rotated by the rotation driving means, and the object to be cooked is heated and cooked by the electromagnetic induction heating means and / or the high frequency heating means.

In cooking, if the cooking pot is tilted,
The food is automatically stirred and heated evenly. In addition, since both the electromagnetic induction heating means and the high frequency heating means are provided, the heat control can be adjusted over a wide range according to the material of the object to be cooked, the contents of cooking, and the like.

Further, a heating means such as a heater is provided in addition to the electromagnetic induction heating means and the high-frequency heating means, and a part or all of them can be used as a microwave oven.

[0015]

1 is a longitudinal sectional view of an embodiment of the present invention, and FIG. 2 is an enlarged sectional view of a main part thereof. In the drawing, reference numeral 1 denotes an outer box, which is provided with an opening 2 on the front surface, and a door 3 is attached to the opening 2 so as to be openable and closable. Reference numeral 4 denotes a heating chamber, 5 denotes an inner box forming the heating chamber 4, and an inclined portion 7 inclined (45 ° in the embodiment) with respect to a horizontal plane is formed on a part or all of a bottom surface 6 thereof. Some or all of the inclined portion 7
For example, it is formed of a material having heat resistance such as heat-resistant plastic or ceramics and transmitting electromagnetic waves, that is, a material 8 which does not generate heat by electromagnetic induction heating and is processed to reflect microwaves. Reference numeral 9 denotes a motor whose output shaft is disposed orthogonal to the inclined portion 7 of the inner box 5.

Reference numeral 11 denotes a turntable disposed in the heating chamber 4 in the vicinity of the inclined portion 7 of the inner box 5 and substantially parallel to the inclined portion 7. It is made of a material that does not generate heat by induction heating. 10
The protrusion 1 is provided at the center of the bottom surface of the turntable 11 and fits with the fitting 10 provided on the output shaft of the motor 9.
Reference numeral 3 denotes a plurality of engaging portions provided on the upper surface of the turntable 11.

Reference numeral 14 denotes a cooking pot having a substantially U-shaped cross section, which is made of a magnetic material having a high magnetic permeability such as an iron material.
Is provided. Reference numeral 16 denotes a stirring blade of the object to be cooked which protrudes from the inner wall of the cooking pot 14 toward the center. 17
Is an induction heating coil provided outside the inclined portion 7 of the inner box 5 and close to the inclined portion 7, 18 is a magnetron attached to the inner box 5 on the side of the heating chamber 4, 20 is an upper part of the heating chamber 4 And a heater such as a halogen heater and a sheath heater provided in the heater.

Next, the operation of the present invention configured as described above will be described. First, an object to be cooked is put into the cooking pot 14, accommodated in the heating chamber 4 through the opening 2, the engagement portion 13 is set by engaging the engagement portion 13 of the turntable 11, and the door 3 is closed. . Then energize the motor 9 and turntable 11
Then, the cooking pot 14 set therein is rotated, and a high-frequency current of about 20 to 50 KHz is supplied to the induction heating coil 17. A magnetic flux is generated by the excitation of the induction heating coil 17, and an alternating eddy current flows through the cooking pot 14 due to the electromagnetic induction action to generate Joule heat, and the cooking pot 6 rapidly generates heat. At this time, the object to be cooked always moves in the cooking pot 14 because the cooking pot 14 is inclined, and is further uniformly heated by the stirring blades 16, so that effective cooking is performed in a short time. be able to. The cooking time can be further reduced by heating the object to be cooked with high frequency output from the magnetron 18 as needed, or by heating the oven with the heater 20 by radiant heat or air convection.

FIG. 3 is a sectional view of a main part of another embodiment of the present invention. The same or corresponding parts as those in the embodiment of FIGS. 1 and 2 are denoted by the same reference numerals, and description thereof will be omitted. In the present embodiment, a part or the entirety of the inclined portion 7 of the bottom 6 of the heating chamber 4 is formed of a magnetic material having high magnetic permeability, that is, a material 19 that generates heat by electromagnetic induction heating. This causes the magnetic material 19 on the bottom 6 to generate heat, thereby heating the object to be cooked in the cooking pot 14 and cooking. In addition,
In this embodiment, for example, it is desirable to use a cooking pot made of heat-resistant glass.

FIG. 4 is a sectional view of still another embodiment of the present invention, and FIG. 2 is an external perspective view thereof. The same or corresponding parts as those in the embodiment of FIG. 1 are denoted by the same reference numerals, and description thereof is omitted. In the figure, reference numeral 21 denotes a base, on which a first column 22 is erected on one side, and a second column 23 is erected on the other side in opposition to the first column 21. ing.
4 is an outer box, a bracket 2 fixed to one side wall of the outer box.
An output shaft 28 of a motor 27 of an angle adjusting means 26 incorporated in the first column 22 is attached to 4, and a bracket 25 having a support shaft 29 is fixed to the other side wall,
The support shaft 29 is supported by the second support column 23 via a bearing.

Reference numeral 5 denotes an inner box having a substantially U-shaped cross section, which constitutes the heating chamber 4. Reference numeral 11 denotes a turntable provided in the inner box 5 in the vicinity of the bottom surface 6a, similarly to the embodiment of FIG. It is made of a material having heat resistance and not generating heat by electromagnetic induction heating. Reference numeral 31 denotes a rotating shaft provided on the bottom surface of the turntable 11, provided with a pulley 32, and rotatably supported by a bearing 33 provided on the outer box 1. Reference numeral 34 denotes a pulley fixed to the output shaft of the motor 9, and a belt 35 is scraped between the pulley 34 and the pulley 32 provided on the rotating shaft 30. 2a is an opening provided in the upper part of the inner box 5, and 3a is a lid. Part or all of the bottom of the inner box 5 is made of a material that does not generate heat by electromagnetic induction heating, or a material that generates heat, as in the embodiment of FIG. 2 or FIG.

In the cooking device constructed as described above, the outer box 1 and therefore the cooking pot 14 are always in a vertical state as shown in FIGS. Is placed in a cooking pot 14 or a dish and set on the turntable 11, and the motor 9 is driven to set the cooking pot 1
4 and the like, and the induction heating coil 17, magnetron 1
If a part or all of the heater 8 and the heater 20 are energized and heated, the object to be cooked can be cooked in the same manner as a normal microwave oven.

When cooking an object to be cooked which requires stirring, the cooking pot 14 containing the object to be cooked is placed on the turntable 11 and the engaging portion is set to the engaging portion. Then, several types (for example, 30) provided in an operation unit (not shown) are provided.
(°, 45 °, 60 °), when a push button having a desired angle is selected and pressed, the angle adjusting motor 2 is pressed.
7, the outer case 1 attached to the output shaft 28 is inclined at a desired angle. As a result, the outer box 1 and thus the cooking pot 14 are rotated at a desired angle as shown in FIG. 6 and stopped, and are held at that position. Hereinafter, the steps of cooking the article to be cooked are the same as those in the embodiment shown in FIGS.

The embodiment of the present invention has been described above. However, the rotary drive means of the turntable, the angle adjusting means of the outer box, and the structure and mechanism of each part are not limited to the above-described embodiment, but can be changed as appropriate. .

[0025]

As is apparent from the above description, according to the present invention, a cooking pot containing an object to be cooked is placed on a tilted turntable, and the electromagnetic induction heating means is rotated while rotating the turntable. In addition, since cooking is performed by heating some or all of the heating means such as the high-frequency heating means and the heater, the object to be cooked can be automatically stirred. For this reason, the object to be cooked can be uniformly heated, so that there is no need to stir the object to be cooked during heating, and continuous cooking is possible, and the cooking time can be reduced.

In addition, since heating means such as an electromagnetic induction heating means, a high frequency heating means and a heater are provided, it is possible to greatly control the degree of fire, not only to shorten the cooking time, but also to realize delicious cooking. can do.

Further, the turntable can be inclined from 0 ° to θ ° by the angle adjusting means, so that it can be used as a normal microwave oven and, of course, the object to be cooked is automatically stirred according to the contents of cooking. Therefore, the cooking range can be expanded, and a convenient cooking device can be obtained.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of an embodiment of the present invention.

FIG. 2 is an enlarged sectional view of a main part of FIG.

FIG. 3 is an enlarged sectional view of a main part of another embodiment of the present invention.

FIG. 4 is a sectional view of still another embodiment of the present invention.

FIG. 5 is an external perspective view of FIG.

FIG. 6 is an operation explanatory view of FIG. 4;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Outer box 2, 2a Opening 4 Heating chamber 5 Inner box 6, 6a Bottom of heating chamber 7 Inclined part 8 Material which does not generate heat by electromagnetic induction heating 9 Rotation motor 11 Turntable 14 Cooking pot 17 Electromagnetic induction heating coil 18 Magnetron 19 Material that generates heat by electromagnetic induction heating 20 Heater 22, 23 Post 26 Angle adjusting means

──────────────────────────────────────────────────続 き Continuation of the front page (51) Int.Cl. ⁶ Identification number Agency reference number FI Technical indication location H05B 11/00 7456-3K H05B 11/00 Z (72) Inventor Nobuko Kakimoto 2-chome Ofuna, Kamakura-shi No. 40 Mitsubishi Electric Corporation Life Systems Laboratory (72) Inventor Shinsuke Ise 2--14-40 Ofuna, Kamakura City Mitsubishi Electric Corporation Life Systems Laboratory

Claims (5)

(57) [Claims] 1. A cooking device in which a cooking pot is placed on a turntable provided in a heating chamber for cooking.
A heating chamber having an inclined surface at least in a part of the bottom surface, a turntable disposed in the heating chamber in proximity to the inclined surface, and an output shaft connected to the turntable outside the heating chamber. Rotation driving means disposed orthogonal to the inclined surface, electromagnetic induction heating means disposed outside the heating chamber close to the inclined surface, and high-frequency heating means disposed in the heating chamber; A heating cooker comprising: 2. A cooking device in which a cooking pot is placed on a turntable provided in a heating chamber for cooking.
A heating chamber provided in the outer box, a turntable disposed in the heating chamber in proximity to the bottom surface thereof, and a rotation driving means disposed outside the heating chamber and configured to rotate the turntable, The electromagnetic induction heating means and the high-frequency heating means provided in the heating chamber are disposed outside the heating chamber in close proximity to the bottom thereof, and the outer box containing the heating chamber, the rotation driving means and the like is rotated. A heating cooker comprising: support means for movably supporting; and angle adjusting means for tilting the outer box. 3. The heating cooker according to claim 1, wherein at least a part of the inclined surface or the bottom surface of the heating chamber is made of a material that does not generate heat by electromagnetic induction heating. 4. The cooking device according to claim 1, wherein at least a part of the inclined surface or the bottom surface of the heating chamber is made of a material that generates heat by electromagnetic induction heating. 5. The heating cooker according to claim 1, wherein a heating means such as a heater is provided in the heating chamber.