JP2004296279A - Induction heating cooker - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an induction heating cooker in which elderly people, people with low eyesight or the like can easily make operation of heating power adjustment. <P>SOLUTION: In the induction heating cooker, in which a top plate 2 to place a pan 15 is arranged on a main body 1 upper face, and an induction heating part set 4 constituted of a plurality of induction heating parts 4a, 4b to heat the upper pan 15 is arranged under this top plate 2, the plurality of induction heating parts 4a, 4b are all set at different heating powers, all parts become in a state that they can be heated by operation of one operating means 11, and when the pan 15 exists above, heating action is carried out. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a configuration of an induction heating cooker having a plurality of heating coils.
[0002]
[Prior art]
An induction heating cooker generates a magnetic flux by flowing a high-frequency current through a heating coil constituting an induction heating unit, and generates an eddy current in a metal load (a pan or the like) arranged near the heating coil, and the Joule heat generates the eddy current. Since the metal load (such as a pan) itself generates heat, it can be efficiently heated.
[0003]
The operation unit of the conventional induction heating cooker has a knob type that adjusts the heating power of the induction heating unit by turning a knob like a gas stove, or a key type that adjusts the heating power of the induction heating unit by pressing a key. It is composed of an on / off key for the heating unit, and when there are a plurality of induction heating units, the knob or key is provided for each of them.
[0004]
Many cooking menus are cooked by changing the heating power of the induction heating section on the way, and in this case, as described above, the induction heating section is operated by operating the knob or key for the heating power adjustment on the way. The firepower has changed.
[0005]
For example, in the case of cooking steamed rice, heating is performed at high heat at first, and the heat is changed to low heat during cooking. When cooking fried rice, first heat it on medium heat, change it to high heat on the way, and cook it. As described above, in order to set or change the heating power, it is necessary to operate a key or a knob for adjusting the heating power of the induction heating unit in the operation unit each time.
[0006]
An example of the induction heating cooker provided with the above-described heating power adjustment key is an induction heating cooker disclosed in Patent Document 1 or the like.
[0007]
[Patent Document 1]
JP-A-2000-252052.
[0008]
[Problems to be solved by the invention]
As described above, the conventional induction heating cooker is provided with a knob or key for adjusting the heating power of the induction heating unit in the operation unit, and every time cooking is performed or during the cooking, the knob or key for adjusting the heating power is set. The operation is used to adjust the thermal power, but the following problems occur.
[0009]
Many induction heating cookers are equipped with multiple induction heating units, as well as a nichrome heater heating unit and grill unit.There are many keys and knobs, such as an on / off key, a heating power adjustment knob or key, etc. However, most of them are concentrated in one place, so that there are too many detailed operation parts especially for elderly people or people with low visual acuity, which makes it difficult to use.
[0010]
An object of the present invention is to solve the above-mentioned problem, and an object of the present invention is to provide an induction heating cooker that can easily perform an operation of adjusting a heating power even for an elderly person, a person with low vision, and the like.
[0011]
Another object is to provide easy-to-use operability.
[0012]
It is another object of the present invention to make the operability easier to use.
[0013]
[Means for Solving the Problems]
In order to solve the above-described problems, the present invention arranges a top plate on which a pan is placed on an upper surface of a main body, and includes an induction heating unit including a plurality of induction heating units for heating an upper pan below the top plate. In the induction heating cooker in which a set is arranged, all of the plurality of induction heating units are set to different heating powers, all of which can be heated by operating one operation means, and perform a heating operation when there is a pan above. It is.
[0014]
BEST MODE FOR CARRYING OUT THE INVENTION
As described above, the present invention arranges a top plate on which a pan is placed on the upper surface of a main body, and arranges an induction heating unit set including a plurality of induction heating units for heating an upper pan below the top plate. In the induction heating cooker described above, all of the plurality of induction heating units are set to different heating powers, all of which can be heated by operating one operation means, and perform a heating operation when there is a pan above.
[0015]
Accordingly, it is possible to provide an induction heating cooker in which the elderly person or a person with low visual acuity can easily adjust the heat power.
[0016]
In addition, since the plurality of induction heating units constituting the induction heating unit set are arranged substantially linearly, it is possible to provide easy-to-use operability.
[0017]
Further, the heating power of the plurality of induction heating units is set so as to decrease or increase in a stepwise manner according to the arrangement order, so that operability can be further improved.
[0018]
【Example】
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0019]
FIG. 1 is an external view of an induction heating cooker according to a first embodiment of the present invention, and FIG. 2 is an external view of an induction heating cooker according to a second embodiment of the present invention. Note that both FIGS. 1 and 2 show a state where the induction heating cooker is incorporated in a system kitchen.
[0020]
First, an induction heating cooker according to a first embodiment will be described with reference to FIG. The induction heating cooker according to the present embodiment is an example including an induction heating unit set including two induction heating units, a single induction heating unit, a nichrome heater heating unit, and a grill unit.
[0021]
In FIG. 1, reference numeral 1 denotes a main body. Reference numeral 2 denotes a top plate, which is disposed on the upper surface of the main body 1 and formed of crystallized glass or the like having high heat resistance. Reference numeral 3 denotes a top plate cover frame, which is fixed around the top plate 2 and has a watertight structure filled with a sealing material (not shown) between the top plate 2 and the top plate 2.
[0022]
Further, the top plate cover frame 3 is also fixed to the main body 1, and when the induction heating cooker is attached to the system kitchen, the induction heating cooker is suspended by the top plate cover frame 3 and installed. Therefore, the top plate 2 and the top plate cover frame 3 appear on the surface of the system kitchen.
[0023]
Reference numeral 4 denotes a set of induction heating units, which is disposed below the top plate 2 and is composed of a plurality of induction heating units 4a and 4b mainly composed of heating coils, and heats the upper pot 15 described above. The plurality of induction heating units 4a and 4b are set to different heating powers, and all can be heated by the operation of one operation unit 11, which is described later. Upon detection, a heating operation is performed. The detection method of the detection means of the presence or absence of the pot 15 described below is a method of detecting by a combination of a current flowing through a heating coil, an input current, an input voltage, or the like, or an optical detection method using an optical sensor or the like, or another method. Any method may be used.
[0024]
Reference numeral 5 denotes an induction heating unit, which is a single induction heating unit composed of one heating coil, is disposed below the top plate 2, and heats the pot 15 described above. Reference numeral 6 denotes a nichrome heater, which is a nichrome heater wire-heated circular heater, which is disposed below the top plate 2 and heats the pot 15 described above.
[0025]
Reference numeral 7 denotes a grill portion, which is disposed on the lower left side of the main body 1 and grills fish and the like. Reference numeral 8 denotes an exhaust port, which is provided at the rear of the top plate 2 and exhausts waste heat that has cooled the heating coils constituting the induction heating sections 4a, 4b, and 5, exhaust air exhausted from the grill section 7, and the like.
[0026]
Reference numeral 9 denotes an operation panel, which is arranged on the right side of the front surface of the main body 1 and includes switches, operation means, and the like described below, and operates each heating unit. Reference numeral 10 denotes a main switch, which is disposed in the operation panel 9 and turns on / off the power of the entire product.
[0027]
Reference numeral 11 denotes an operation means, which is disposed in the operation panel 9 and turns on and off the power supply of the induction heating unit set 4 and adjusts the heating power. Reference numeral 12 denotes an operation means, which is disposed in the operation panel 9 and turns on and off the power supply to the induction heating unit 5 and adjusts the heating power. Reference numeral 13 denotes an operation means, which is arranged in the operation panel 9 and turns on and off the power of the nichrome heater 6 and adjusts the heating power.
[0028]
Normally, the operating means 11, 12, 13 have a front end surface substantially flush with the operation panel 9 surface, and protrude forward by pressing the front end surface, and by turning right or left, a corresponding induction heating is performed. The energization of the unit 4, the induction heating unit 5, and the nichrome heater 6 is started. After the energization of the induction heating unit set 4, the induction heating unit 5, and the nichrome heater 6 is started, the operating means 11, 12, and 13 are further turned to turn on the corresponding induction heating unit set 4, the induction heating unit 5, and the nichrome heater 6. The heating power can be adjusted, and by pressing down the protruding end surface during energization, the energization of the corresponding induction heating unit set 4, induction heating unit 5, and nichrome heater 6 is stopped.
[0029]
Reference numeral 14 denotes an openable / closeable operation panel, which is arranged on the right side of the front surface of the main body 1 below the operation panel 9 and usually has a surface almost flush with the operation panel section 9 and is hidden inside by pressing an upper part of the surface. The operation surface appears outside, and performs operations such as setting the timer of the induction heating unit group 4, the induction heating unit 5, the nichrome heater 6, and the like, and operating the grill unit 7.
[0030]
Reference numeral 15 denotes a pot, which is a metal container, into which food is put, placed on the top plate 2 above each heating unit, and heated.
[0031]
In the above configuration, the heating operation of the induction heating unit set 4 in the induction heating cooker according to the first embodiment will be described. The heating power of the induction heating units 4a and 4b constituting the induction heating unit set 4 is set to a high heat and a low heat, respectively, and a cooking menu using the high heat and the low heat will be described using an example of chawan steaming.
[0032]
Water is poured into the pan 15, placed on the top plate 2 above the induction heating section 4a, and the main switch 10 is turned on. The front end face of the operation means 11 in the operation panel 9 is pushed, protruded forward, and turned right or left. Then, the induction heating unit 4a is energized, and starts heating the upper pot 15 with high heat. Containers containing ingredients for steamed rice bowl are placed in the pot 15 side by side, and the lid is closed.
[0033]
When the heating proceeds and the water in the pot 15 starts to boil, the pot 15 is moved from above the induction heating section 4a to above the induction heating section 4b. When the pot 15 is removed from above, the induction heating unit 4a detects this by means of a detection unit (not shown), and the power supply is stopped. The induction heating unit 4b, on which the pot 15 is placed above, detects this. Detected by a detection means not shown, energization is started, and heating is performed with a low heat. The cooking is terminated when the heating of the low heat in the induction heating section 4b has elapsed for more than ten minutes.
[0034]
When the heating power of the induction heating units 4a and 4b constituting the induction heating unit set 4 is high heat and medium heat, respectively, a cooking menu using high heat and medium heat will be described using an example of fried rice.
[0035]
In the case of fried rice, the details are omitted, as it is almost the same as the above-mentioned bowl steaming, but the heating power used is medium heat at first, and it will be changed to high heat on the way, so the pot 15 will be set Cooking is possible by heating with the set induction heating section 4b and then heating with the induction heating section 4a set to high heat.
[0036]
Next, an induction heating cooker according to a second embodiment will be described with reference to FIG. The heating unit of the induction heating cooker according to the present embodiment is an example including an induction heating unit set including three induction heating units, a nichrome heater heating unit, and a grill unit.
[0037]
In this embodiment, a part of the configuration common to the first embodiment is omitted, and the overlapping description is omitted. The same reference numerals in both embodiments indicate the same or equivalent.
[0038]
FIG. 2 differs from FIG. 1 (first embodiment) in that the induction heating unit set 4 is not constituted by two, but by three induction heating units 4a, 4b, and 4c. There is no five.
[0039]
In the above configuration, a heating operation in the induction heating unit set 4 in the induction heating cooker according to the second embodiment will be described. The heating power of the induction heating units 4a, 4b, and 4c constituting the induction heating unit set 4 is high, medium, and low heat, respectively, and a cooking menu using high, medium, and low heat will be described using a curry example. .
[0040]
The pot 15 is placed on the top plate 2 above the induction heating unit 4a, and the main switch 10 is turned on. The front end face of the operation means 11 in the operation panel 9 is pushed, protruded forward, and turned right or left. Then, the induction heating unit 4a is energized, and starts heating the upper pot 15 with high heat. In a pan 15, add the salad oil and fry the meat, then add the vegetables and fry.
[0041]
Water is added to the pot 15, and when it boils, the pot 15 is moved from above the induction heating section 4a to above the induction heating section 4b. When the pot 15 is removed from above, the induction heating unit 4a detects this by means of a detection unit (not shown), and the power supply is stopped. The induction heating unit 4b, on which the pot 15 is placed above, detects this. Detection is performed by a detection unit (not shown), energization is started, and heating is performed over a medium heat.
[0042]
Further, curry roux is added to the pan 15 and mixed, and after boiling again, the pan 15 is moved from above the induction heating section 4b to above the induction heating section 4c. When the pot 15 disappears from above, the induction heating unit 4b detects this by a detecting means (not shown), and the power supply is stopped, and the induction heating unit 4c with the pot 15 placed on the upper side detects this. Detected by a detection means not shown, energization is started, and heating is performed with a low heat.
[0043]
When simmering for several minutes over low heat while stirring in the pot 15, cooking is completed.
[0044]
As described above, in the second embodiment, since the induction heating unit set 4 is constituted by the three induction heating units 4a, 4b, and 4c, three representative heating powers, that is, high heat, medium heat, and low heat are used. The range of cooking can be significantly increased as compared with the first embodiment having two heat sources.
[0045]
In the second embodiment, the heating power of each of the induction heating units 4a, 4b and 4c can be adjusted by operating the operating means 11 by increasing or decreasing the same ratio, or by opening and closing an operation panel. If the operating means corresponding to each is provided in 14 to enable independent adjustment of the heating power, an appropriate heating power can be obtained as needed. The same applies to the first embodiment.
[0046]
In addition, as shown in FIG. 2 showing the second embodiment, if a plurality of induction heating units 4a, 4b, 4c constituting the induction heating unit set 4 are arranged substantially in a straight line, operability becomes easy to use. . However, the arrangement direction of the plurality of induction heating units 4a, 4b, 4c is not limited to that shown in FIG. 2, and may be from the near side to the back, from the left side to the right side, or from the right side to the left side.
[0047]
The arrangement of the plurality of induction heating sections 4a, 4b, 4c is not limited to a straight line, but may be another arrangement such as a curved line or a staggered line depending on the product structure or market needs.
[0048]
Further, the number of induction heating units 4a, 4b, 4c constituting the induction heating unit set 4 is not limited to two or three, but may be four or more.
[0049]
Furthermore, as described in the description of the heating operation of the second embodiment, if the heating power of the plurality of induction heating units 4a, 4b, and 4c is set so as to decrease or increase stepwise according to the arrangement order, for example, High heat, medium heat, and low heat in this order make it easy to understand and more operable.
[0050]
【The invention's effect】
INDUSTRIAL APPLICABILITY As described above, according to the present invention, an induction heating unit set including a top plate on which a pan is placed on the upper surface of a main body, and a plurality of induction heating units for heating an upper pan below the top plate. In the induction heating cooker in which a plurality of induction heating units are all set to different heating powers, all can be heated by operation of one operation means, and a heating operation is performed when there is a pan above. .
[0051]
Thereby, there is an effect that it is possible to provide an induction heating cooker that can easily perform the operation of adjusting the heating power even for the elderly, people with low vision, and the like.
[0052]
Further, since the plurality of induction heating sections constituting the set of induction heating sections are arranged substantially linearly, there is an effect that the operability can be made easy to use.
[0053]
Further, since the heating power of the plurality of induction heating units is set so as to decrease or increase stepwise according to the arrangement order, there is an effect that the operability can be further improved.
[Brief description of the drawings]
FIG. 1 is an external view of an induction heating cooker according to a first embodiment of the present invention.
FIG. 2 is an external view of an induction heating cooker according to a second embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Main body 2 Top plate 4 Induction heating part set 4a, 4b, 4c Induction heating part 11 Operating means 15 Pot

Claims (3)

A top plate (2) on which a pot (15) is placed is disposed on the upper surface of the main body (1), and a plurality of induction heating sections (4a) for heating the upper pot (15) below the top plate (2); In the induction heating cooker in which the induction heating unit set (4) composed of (4b) is arranged,
The plurality of induction heating units (4a) and (4b) are all set to different heating powers, and all can be heated by the operation of one operating means (11), and the heating operation is performed when the pot (15) is above. An induction heating cooker characterized by performing. The induction heating cooker according to claim 1, wherein the plurality of induction heating units (4a), (4b), and (4c) constituting the induction heating unit set (4) are arranged substantially linearly. The induction heating cooker according to claim 2, wherein the heating power of the plurality of induction heating units (4a), (4b), and (4c) is set so as to decrease or increase stepwise according to the arrangement order. .

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