JP6811556B2 - Cooking container for induction heating - Google Patents

Cooking container for induction heating Download PDF

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JP6811556B2
JP6811556B2 JP2016140270A JP2016140270A JP6811556B2 JP 6811556 B2 JP6811556 B2 JP 6811556B2 JP 2016140270 A JP2016140270 A JP 2016140270A JP 2016140270 A JP2016140270 A JP 2016140270A JP 6811556 B2 JP6811556 B2 JP 6811556B2
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cooking container
contact
heat generating
convex
induction heating
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JP2018007940A (en
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ちづる 井下
ちづる 井下
彰 森井
彰 森井
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Mitsubishi Electric Home Appliance Co Ltd
Mitsubishi Electric Corp
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Mitsubishi Electric Home Appliance Co Ltd
Mitsubishi Electric Corp
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Description

本発明は、一般家庭または業務用で用いられる調理容器に関するものであり、詳しくは調理物を誘導加熱方式で加熱する加熱調理器で使用される誘導加熱用調理容器に関するものである。 The present invention relates to a cooking container used for general household or business use, and more particularly to an induction heating cooking container used in a cooking device for heating a cooked food by an induction heating method.

近年、誘導加熱方式の加熱調理器が普及している。誘導加熱方式の加熱調理器は、加熱調理器内に配置された加熱コイル等の金属体に電流を流すことで発生する磁束により、加熱コイルの上方に載置された調理容器に渦電流を発生させ、調理容器の抵抗により発生するジュール熱で調理容器を発熱させる。 In recent years, induction heating type cooking cookers have become widespread. In an induction heating type cooking cooker, an eddy current is generated in a cooking container placed above the heating coil by magnetic flux generated by passing an electric current through a metal body such as a heating coil arranged in the cooking cooker. The cooking container is heated by the Joule heat generated by the resistance of the cooking container.

誘導加熱方式の加熱調理器に用いられる調理容器は、誘導加熱されるための磁性体を有している。具体的には、調理容器本体が鉄またはステンレス等の透磁率の高い磁性体で形成されるもの、または調理容器本体がアルミまたは銅等の熱伝導率が高い非磁性材料もしくはガラスまたは陶磁器等で形成され、その底部に透磁率の高い磁性体を結合したものがある。 The cooking container used for the induction heating type cooking device has a magnetic material for induction heating. Specifically, the cooking container body is made of a magnetic material having high magnetic permeability such as iron or stainless steel, or the cooking container body is made of a non-magnetic material having high thermal conductivity such as aluminum or copper, or glass or ceramics. Some are formed and have a magnetic material with high magnetic permeability bonded to the bottom.

例えば、特許文献1には、ガラスまたは陶磁器製の調理容器を誘導加熱調理器で使用できるように、調理容器の底部に熱膨張を抑止するための孔を有する磁性体を一体に成形することが提案されている。 For example, in Patent Document 1, a magnetic material having a hole for suppressing thermal expansion is integrally molded at the bottom of the cooking container so that a cooking container made of glass or ceramic can be used in an induction heating cooker. Proposed.

また、特許文献2には、非磁性体からなる外容器と、該外容器の内側にインサート成形される磁性体からなる内容器と、を備える電磁調理用食器が提案されている。特許文献2の電磁調理用食器では、外容器の熱伝導が内容器の熱伝導より低くすることで、そのまま食卓に提供することが可能となっている。 Further, Patent Document 2 proposes an electromagnetic cooking tableware including an outer container made of a non-magnetic material and an inner container made of a magnetic material that is insert-molded inside the outer container. In the tableware for electromagnetic cooking of Patent Document 2, the heat conduction of the outer container is lower than that of the inner container, so that the tableware can be provided as it is to the table.

また、特許文献3には、陶磁器製の容器本体の底部において、電磁調理器のコイルと相対する部分に、磁性体を渦巻き状、格子状または同心円状に広範囲で配した電磁調理器用容器が提案されている。 Further, Patent Document 3 proposes a container for an electromagnetic cooker in which magnetic materials are widely arranged in a spiral shape, a grid shape, or a concentric circle in a portion facing a coil of the electromagnetic cooker at the bottom of a container body made of ceramics. Has been done.

また、特許文献1、2および3に記載されるように調理容器の調理物と接触する面が平面形状のもの以外に、調理容器の調理物と接触する面が凹凸形状のものがある。例えば、特許文献4には、プレート本体を均肉化した凹凸形状を有する非磁性体で形成し、該プレート本体の底部の一部に磁性体を配した加熱調理プレートが提案されている。 Further, in addition to the one having a flat surface in contact with the cooked food in the cooking container as described in Patent Documents 1, 2 and 3, the surface in contact with the cooked food in the cooking container has an uneven shape. For example, Patent Document 4 proposes a cooking plate in which a plate body is formed of a non-magnetic material having a uniformed uneven shape, and a magnetic material is arranged on a part of the bottom of the plate body.

実開昭61−77590号公報Jitsukaisho 61-77590 特許第3926599号公報Japanese Patent No. 3926599 特開平6−176861号公報Japanese Unexamined Patent Publication No. 6-176861 特開2014−73225号公報Japanese Unexamined Patent Publication No. 2014-73225

ここで、特許文献1、2および3で提案される調理容器は、調理容器の調理物と接触する面が平面形状であるため、加熱時に調理物から排出される水分や油が調理物に再付着してしまう。また、調理容器の底部に磁性体を一様に配しているため、調理容器内の加熱ムラが大きくなってしまう。また、特許文献4で提案される加熱調理プレートは、プレート本体が均肉化した凹凸形状を有しており、加熱時に調理物から排出される水分や油が調理物に再付着することが防止できる。しかしながら、加熱調理プレートの裏面の開口部が狭く、プレート本体の凹凸が深くなり、プレート裏面の清掃性が悪くなる。 Here, in the cooking container proposed in Patent Documents 1, 2 and 3, since the surface of the cooking container in contact with the cooked food is planar, the water and oil discharged from the cooked food during heating are regenerated into the cooked food. It will adhere. Further, since the magnetic material is uniformly arranged on the bottom of the cooking container, uneven heating in the cooking container becomes large. Further, the cooking plate proposed in Patent Document 4 has a concave-convex shape in which the plate body is leveled to prevent water and oil discharged from the cooking material from reattaching to the cooking material during heating. it can. However, the opening on the back surface of the cooking plate is narrow, the unevenness of the plate body becomes deep, and the cleanability of the back surface of the plate deteriorates.

本発明は、上記のような課題を解決するためになされたものであり、調理容器の清掃性の向上および調理容器の加熱ムラの低減を実現することができる誘導加熱用調理容器を提供することを目的とする。 The present invention has been made to solve the above problems, and provides a cooking container for induction heating capable of improving the cleanability of the cooking container and reducing uneven heating of the cooking container. With the goal.

本発明に係る誘導加熱用調理容器は、非磁性体で形成される載置部と、磁性体で形成され、載置部の下方に配置される発熱部と、を備える誘導加熱用調理容器であって、載置部は、調理物と接触する接触部と、調理物と接触しない非接触部とを有し、発熱部は、接触部が非接触部よりも加熱されるように、接触部の下方と非接触部の下方とで異なる厚みを有するものであり、誘導加熱用調理容器の底面の形状は、平面または緩やかな曲面であり、載置部は、接触部である接触凸部と、非接触部である貫通穴とを有し、発熱部は、貫通穴に嵌まり込む発熱凸部を有する。 The induction heating cooking container according to the present invention is an induction heating cooking container including a mounting portion formed of a non-magnetic material and a heat generating portion formed of a magnetic material and arranged below the mounting portion. The mounting portion has a contact portion that comes into contact with the cooked food and a non-contact portion that does not contact the cooked food, and the heat generating portion has a contact portion so that the contact portion is heated more than the non-contact portion. of those having different thicknesses at the lower and the lower non-contact portion, inducing the shape of the bottom surface of the heating cooking container, Ri flat or gently curved der, placing portion, the contact convex portion is a contact portion And a through hole that is a non-contact portion, and the heat generating portion has a heat generating convex portion that fits into the through hole.

本発明の誘導加熱用調理容器によれば、調理容器の底面の形状を平面または緩やかな曲面として簡素化することにより、清掃時の負担が軽減される。また、接触部が非接触部よりも加熱されるように、接触部の下方と非接触部の下方とで発熱部の厚みを異ならせて調理容器内の加熱分布を調整することで、加熱分布の均一化または局所化が可能になり、加熱効率が向上する。 According to the cooking container for induction heating of the present invention, the burden at the time of cleaning is reduced by simplifying the shape of the bottom surface of the cooking container as a flat surface or a gentle curved surface. Further, the heating distribution is adjusted by adjusting the heating distribution in the cooking container by making the thickness of the heat generating portion different between the lower part of the contact part and the lower part of the non-contact part so that the contact part is heated more than the non-contact part. Can be homogenized or localized, and heating efficiency is improved.

実施の形態1における調理容器の使用状態を示す断面模式図である。It is sectional drawing which shows the use state of the cooking container in Embodiment 1. FIG. 実施の形態1における調理容器の断面模式図である。It is sectional drawing of the cooking container in Embodiment 1. FIG. 実施の形態1における調理容器の斜視図である。It is a perspective view of the cooking container in Embodiment 1. FIG. 実施の形態1における載置部の断面模式図である。FIG. 5 is a schematic cross-sectional view of a mounting portion according to the first embodiment. 実施の形態1における発熱部の断面模式図である。It is sectional drawing of the heat generating part in Embodiment 1. 実施の形態1における発熱部の裏面図である。It is a back view of the heat generating part in Embodiment 1. FIG. 実施の形態1の変形例における載置部および発熱部の断面模式図である。It is sectional drawing of the mounting part and the heat generating part in the modification of Embodiment 1. 実施の形態2における調理容器の断面模式図である。It is sectional drawing of the cooking container in Embodiment 2. FIG. 実施の形態2における調理容器の斜視図である。It is a perspective view of the cooking container in Embodiment 2. FIG. 実施の形態2における載置部の断面模式図である。FIG. 5 is a schematic cross-sectional view of a mounting portion according to a second embodiment. 実施の形態2における発熱部の断面模式図である。It is sectional drawing of the heat generating part in Embodiment 2. FIG. 実施の形態2における発熱部の斜視図である。It is a perspective view of the heat generating part in Embodiment 2. 実施の形態2における載置部の凸部、凹部および発熱部の凸部の配置を説明する図である。It is a figure explaining the arrangement of the convex part, the concave part, and the convex part of the heat generating part of the mounting part in Embodiment 2. FIG. 実施の形態2の変形例1における調理容器の断面模式図である。It is sectional drawing of the cooking container in the modification 1 of Embodiment 2. 実施の形態2の変形例2における調理容器の断面模式図である。It is sectional drawing of the cooking container in the modification 2 of Embodiment 2. 実施の形態3における調理容器の断面模式図である。It is sectional drawing of the cooking container in Embodiment 3. FIG. 実施の形態4における調理容器の断面模式図である。It is sectional drawing of the cooking container in Embodiment 4. FIG. 実施の形態4における載置部の断面模式図である。FIG. 5 is a schematic cross-sectional view of the mounting portion according to the fourth embodiment. 実施の形態4における発熱部の断面模式図である。It is sectional drawing of the heat generating part in Embodiment 4. FIG. 実施の形態4における発熱部の斜視図である。It is a perspective view of the heat generating part in Embodiment 4. 実施の形態5における調理容器の断面模式図である。It is sectional drawing of the cooking container in Embodiment 5. FIG. 実施の形態5における載置部の断面模式図である。FIG. 5 is a schematic cross-sectional view of the mounting portion according to the fifth embodiment. 実施の形態5における発熱部の断面図である。It is sectional drawing of the heat generating part in Embodiment 5. 実施の形態6における調理容器の断面模式図である。It is sectional drawing of the cooking container in Embodiment 6. 実施の形態6における調理容器の斜視図である。It is a perspective view of the cooking container in Embodiment 6. 実施の形態6における載置部の断面模式図である。It is sectional drawing of the mounting part in Embodiment 6. 実施の形態6における載置部の斜視図である。It is a perspective view of the mounting part in Embodiment 6. 実施の形態6における発熱部の断面模式図である。It is sectional drawing of the heat generating part in Embodiment 6. 実施の形態6の変形例における調理容器の断面模式図である。It is sectional drawing of the cooking container in the modification of Embodiment 6. 実施の形態7における調理容器の断面模式図である。It is sectional drawing of the cooking container in Embodiment 7. FIG. 実施の形態7の変形例における調理容器の断面模式図である。It is sectional drawing of the cooking container in the modification of Embodiment 7. 実施の形態8における調理容器の構成を説明する断面模式図である。It is sectional drawing which explains the structure of the cooking container in Embodiment 8. 実施の形態9における調理容器の断面模式図である。It is sectional drawing of the cooking container in Embodiment 9. FIG. 変形例における発熱部の平面図である。It is a top view of the heat generating part in the modification. 変形例における発熱部の斜視図である。It is a perspective view of the heat generating part in the modification.

以下、本発明における誘導加熱用調理容器の実施の形態について、図面を用いて説明する。なお、細かい構造および重複または類似する説明については、適宜簡略化または省略している。 Hereinafter, embodiments of the cooking container for induction heating in the present invention will be described with reference to the drawings. The detailed structure and overlapping or similar explanations are simplified or omitted as appropriate.

実施の形態1.
図1は、実施の形態1における調理容器1の使用状態を示す断面模式図である。本実施の形態の調理容器1は、誘導加熱方式の加熱調理器4に使用される誘導加熱用調理容器である。図1に示すように、加熱調理器4は、調理容器1を誘導加熱するための加熱コイル6と、調理容器1が載置される加熱面5とを備える。加熱コイル6は、例えば銅線またはアルミ線などの導線が巻回してなるコイルであり、加熱面5は、例えば耐熱ガラスである。加熱コイル6に高周波インバータ(図示せず)から高周波電流が供給されることで、加熱面5上に載置された調理容器1に渦電流が発生する。そして、発生した渦電流と調理容器1との抵抗によって調理容器1が発熱することで、調理容器1内の調理物7が加熱される。また、加熱調理器4は、図1に示す以外の構成を含んでもよく、例えば、加熱コイル6の下方には、加熱効率を向上させるためフェライトや温度制御を行うための温度センサ等を配してもよい。
Embodiment 1.
FIG. 1 is a schematic cross-sectional view showing a usage state of the cooking container 1 in the first embodiment. The cooking container 1 of the present embodiment is an induction heating cooking container used in the induction heating type cooking device 4. As shown in FIG. 1, the cooking cooker 4 includes a heating coil 6 for inductively heating the cooking container 1 and a heating surface 5 on which the cooking container 1 is placed. The heating coil 6 is a coil formed by winding a lead wire such as a copper wire or an aluminum wire, and the heating surface 5 is, for example, heat-resistant glass. When a high-frequency current is supplied to the heating coil 6 from a high-frequency inverter (not shown), an eddy current is generated in the cooking container 1 placed on the heating surface 5. Then, the cooking container 1 generates heat due to the resistance between the generated eddy current and the cooking container 1, so that the cooked food 7 in the cooking container 1 is heated. Further, the cooking cooker 4 may include a configuration other than that shown in FIG. 1. For example, a ferrite, a temperature sensor for controlling the temperature, or the like is arranged below the heating coil 6 in order to improve the heating efficiency. You may.

次に、調理容器1の構成について説明する。図2は、本実施の形態における調理容器1の断面模式図であり、図3は、本実施の形態における調理容器1の斜視図である。図2および図3に示すように、調理容器1は、上方が開口した矩形の箱形状を有しており、調理物7が載置される載置部2と、載置部2を加熱するための発熱部3とを備える。載置部2は、アルミまたは銅などの熱伝導率の高い非磁性体で形成され、調理容器1の底部に配置され、発熱部3と一体に結合される。また、載置部2は、凸部210および凹部211からなる波形状の断面を有している。発熱部3は、鉄またはステンレスなどの透磁率の高い磁性体で形成される。また、発熱部3は、調理容器1の本体を構成するものであり、載置部2の下方に配置される底部30と底部30から立設する壁部33とを備える。 Next, the configuration of the cooking container 1 will be described. FIG. 2 is a schematic cross-sectional view of the cooking container 1 in the present embodiment, and FIG. 3 is a perspective view of the cooking container 1 in the present embodiment. As shown in FIGS. 2 and 3, the cooking container 1 has a rectangular box shape with an opening at the top, and heats the mounting portion 2 on which the cooked food 7 is placed and the mounting portion 2. A heat generating unit 3 for the purpose is provided. The mounting portion 2 is formed of a non-magnetic material having high thermal conductivity such as aluminum or copper, is arranged at the bottom of the cooking container 1, and is integrally coupled with the heat generating portion 3. Further, the mounting portion 2 has a wavy cross section including a convex portion 210 and a concave portion 211. The heat generating portion 3 is formed of a magnetic material having a high magnetic permeability such as iron or stainless steel. Further, the heat generating portion 3 constitutes the main body of the cooking container 1, and includes a bottom portion 30 arranged below the mounting portion 2 and a wall portion 33 erected from the bottom portion 30.

図4は、本実施の形態における載置部2の断面模式図である。図4に示すように、載置部2は均肉の波形断面を有し、調理物7と接触する表面21に凸部210および凹部211が形成される。また、載置部2の裏面22には、凸部210および凹部211と対応する凹部221および凸部220がそれぞれ形成される。凸部210および凹部211は、調理容器1の短手方向と平行に延び、調理容器1の長手方向に沿って交互に複数形成される。載置部2に載置される調理物7は、凸部210によって支持され、凹部211には接しない。これにより、加熱時に調理物7から排出される水分や油が凹部211に溜まり、調理物への再付着を抑制できる。なお、凸部210が本発明の「接触部」および「接触凸部」に相当し、凹部211が本発明の「非接触部」に相当する。 FIG. 4 is a schematic cross-sectional view of the mounting portion 2 in the present embodiment. As shown in FIG. 4, the mounting portion 2 has a corrugated cross section of meat equalization, and a convex portion 210 and a concave portion 211 are formed on the surface 21 in contact with the cooked food 7. Further, on the back surface 22 of the mounting portion 2, a concave portion 221 and a convex portion 220 corresponding to the convex portion 210 and the concave portion 211 are formed, respectively. A plurality of convex portions 210 and concave portions 211 extend parallel to the lateral direction of the cooking container 1 and are alternately formed along the longitudinal direction of the cooking container 1. The cooked food 7 placed on the placing portion 2 is supported by the convex portion 210 and does not come into contact with the concave portion 211. As a result, the water and oil discharged from the cooked food 7 during heating are accumulated in the recess 211, and reattachment to the cooked food can be suppressed. The convex portion 210 corresponds to the "contact portion" and the "contact convex portion" of the present invention, and the concave portion 211 corresponds to the "non-contact portion" of the present invention.

図5は、本実施の形態における発熱部3の断面模式図であり、図6は本実施の形態における発熱部3の裏面図である。図5に示すように、発熱部3の載置部2が配置される側の表面31には、上方に凸となる凸部310が形成される。凸部310は、調理容器1の短手方向と平行に延び、調理容器1の長手方向に沿って複数形成される。また、凸部310は、載置部2の裏面22に形成される凹部221に嵌まり込むように、凹部221と対応する形状を有し、凹部221と対応する位置に形成される。また、発熱部3の凸部310の高さは、凹部221の深さと同等である。なお、凸部310が本発明の「発熱凸部」に相当する。 FIG. 5 is a schematic cross-sectional view of the heat generating portion 3 in the present embodiment, and FIG. 6 is a back view of the heat generating portion 3 in the present embodiment. As shown in FIG. 5, a convex portion 310 that is convex upward is formed on the surface 31 of the heat generating portion 3 on the side where the mounting portion 2 is arranged. A plurality of convex portions 310 extend parallel to the lateral direction of the cooking container 1 and are formed along the longitudinal direction of the cooking container 1. Further, the convex portion 310 has a shape corresponding to the concave portion 221 so as to fit into the concave portion 221 formed on the back surface 22 of the mounting portion 2, and is formed at a position corresponding to the concave portion 221. Further, the height of the convex portion 310 of the heat generating portion 3 is equivalent to the depth of the concave portion 221. The convex portion 310 corresponds to the "heat-generating convex portion" of the present invention.

また、隣り合う凸部310の間には、それぞれ底部30の裏面32まで貫通する貫通穴312が形成される。図6に示すように、貫通穴312は、調理容器1の短手方向と平行に延びる長方形である。また、貫通穴312は、載置部2の裏面22に形成される凸部220が貫通穴312に嵌まり込むように、凸部220と対応する形状を有し、凸部220と対応する位置に形成される。 Further, through holes 312 are formed between the adjacent convex portions 310 so as to penetrate to the back surface 32 of the bottom portion 30, respectively. As shown in FIG. 6, the through hole 312 is a rectangle extending parallel to the lateral direction of the cooking container 1. Further, the through hole 312 has a shape corresponding to the convex portion 220 so that the convex portion 220 formed on the back surface 22 of the mounting portion 2 fits into the through hole 312, and has a position corresponding to the convex portion 220. Is formed in.

載置部2および発熱部3は、発熱部3の凸部310が載置部2の裏面22の凹部221に嵌まり込むとともに、載置部2の裏面22の凸部220が発熱部3の貫通穴312に嵌まり込むことで結合され、一体化される。また、発熱部3の凸部310の高さと、載置部2の凹部221の深さは等しいため、発熱部3の裏面32、すなわち調理容器1の底面は、載置部2と発熱部3とにより平面形状となる。 In the mounting portion 2 and the heat generating portion 3, the convex portion 310 of the heat generating portion 3 is fitted into the concave portion 221 of the back surface 22 of the mounting portion 2, and the convex portion 220 of the back surface 22 of the mounting portion 2 is the heat generating portion 3. By fitting into the through hole 312, they are connected and integrated. Further, since the height of the convex portion 310 of the heat generating portion 3 and the depth of the concave portion 221 of the mounting portion 2 are equal, the back surface 32 of the heating portion 3, that is, the bottom surface of the cooking container 1 is the mounting portion 2 and the heat generating portion 3. It becomes a plane shape by.

ここで、本実施の形態のように、調理容器1の調理物7が載置される表面21が、凸部210および凹部211からなる波形状を有している場合、調理物7と接触する凸部210が加熱されることが重要である一方、余分な油および不要な水分が蓄積される凹部211は高温にならない方がよい。 Here, when the surface 21 on which the cooked food 7 of the cooking container 1 is placed has a wavy shape including the convex portion 210 and the concave portion 211 as in the present embodiment, it comes into contact with the cooked food 7. While it is important that the protrusions 210 are heated, the recesses 211, where excess oil and unwanted water accumulate, should not be hot.

そこで、本実施の形態では、載置部2の凸部210の下方に発熱部3を配置し、載置部2の凹部211の下方には、発熱部3を配置しない構成としている。これにより、調理物7と接触する凸部210が加熱されるとともに、凹部211の加熱を低減でき、凹部211にたまった余分な油や水分の蒸発が抑制される。 Therefore, in the present embodiment, the heat generating portion 3 is arranged below the convex portion 210 of the mounting portion 2, and the heat generating portion 3 is not arranged below the concave portion 211 of the mounting portion 2. As a result, the convex portion 210 in contact with the cooked food 7 is heated, the heating of the concave portion 211 can be reduced, and the evaporation of excess oil and water accumulated in the concave portion 211 is suppressed.

以上のように、本実施の形態によれば、調理容器1の底面を平面形状とすることで、調理容器1の清掃性を向上させることができる。また、非磁性体からなる載置部2と磁性体からなる発熱部3の結合部の構造によって、載置部2の凹部211が加熱されにくく、凸部210は加熱されやすくなるなど、調理容器1内の加熱分布を調整することができる。これにより、加熱ムラによる調理の失敗や加熱調理器4の焦げ付きが低減でき、使用者の利便性が向上する。 As described above, according to the present embodiment, the cleanability of the cooking container 1 can be improved by forming the bottom surface of the cooking container 1 into a flat shape. Further, due to the structure of the joint portion between the mounting portion 2 made of a non-magnetic material and the heat generating portion 3 made of a magnetic material, the concave portion 211 of the mounting portion 2 is hard to be heated, and the convex portion 210 is easily heated. The heating distribution within 1 can be adjusted. As a result, cooking failure due to uneven heating and scorching of the cooking cooker 4 can be reduced, and the convenience of the user is improved.

また、調理容器1の本体を磁性体で形成される発熱部3とすることで、調理容器1の壁面(すなわち壁部33)への熱伝導が小さくなる。これにより、調理容器1の壁面が熱くなりにくく、使用者の使い勝手が向上する。例えば、グリルまたはロースターといった魚焼きの場合、調理物7は調理容器1に載置された後、調理容器1内で移動することが少なく、壁面に調理物7が接することがほとんどない。この場合、調理容器1の壁面を加熱することは重要ではないため、本実施の形態のように調理容器1の本体を磁性体で形成することが有効である。 Further, by making the main body of the cooking container 1 a heat generating portion 3 formed of a magnetic material, heat conduction to the wall surface (that is, the wall portion 33) of the cooking container 1 is reduced. As a result, the wall surface of the cooking container 1 is less likely to become hot, and the usability of the user is improved. For example, in the case of grilled fish such as a grill or roaster, the cooked food 7 rarely moves in the cooked container 1 after being placed in the cooked container 1, and the cooked food 7 hardly comes into contact with the wall surface. In this case, since it is not important to heat the wall surface of the cooking container 1, it is effective to form the main body of the cooking container 1 with a magnetic material as in the present embodiment.

なお、調理容器1の載置部2の断面は、均肉でなくてもよい。図7は、実施の形態1の変形例における載置部2および発熱部3の断面模式図である。図7に示すように、本変形例における載置部2は、厚みの異なる断面を有する。載置部2の調理物7と接触する表面21には、実施の形態1と同様に、凸部210および凹部211が形成される。また、載置部2の裏面22には、凸部210および凹部211と対応する凹部221および凸部220がそれぞれ形成される。凸部210および凹部211の配置および形状は、実施の形態と同様である。また、凹部221は、実施の形態1に比べて浅く形成される。これにより、載置部2の凸部210と凹部221との間の厚みが、凹部211と凸部220との間の厚みよりも厚くなる。 The cross section of the mounting portion 2 of the cooking container 1 does not have to be uniform. FIG. 7 is a schematic cross-sectional view of the mounting portion 2 and the heat generating portion 3 in the modified example of the first embodiment. As shown in FIG. 7, the mounting portion 2 in this modified example has cross sections having different thicknesses. As in the first embodiment, the convex portion 210 and the concave portion 211 are formed on the surface 21 of the mounting portion 2 in contact with the cooked food 7. Further, on the back surface 22 of the mounting portion 2, a concave portion 221 and a convex portion 220 corresponding to the convex portion 210 and the concave portion 211 are formed, respectively. The arrangement and shape of the convex portion 210 and the concave portion 211 are the same as those in the embodiment. Further, the recess 221 is formed shallower than that of the first embodiment. As a result, the thickness between the convex portion 210 and the concave portion 221 of the mounting portion 2 becomes thicker than the thickness between the concave portion 211 and the convex portion 220.

また、図7に示すように、本変形例の発熱部3における表面31には、上方に凸となる凸部310が形成される。凸部310は、実施の形態1と同様に、調理容器1の短手方向と平行に延び、調理容器1の長手方向に沿って複数形成される。また、凸部310は、載置部2の裏面22に形成される凹部221に嵌まり込むように、凹部221と対応する形状を有し、凹部221と対応する位置に形成される。また、発熱部3の凸部310の高さは、凹部221の深さと同等である。 Further, as shown in FIG. 7, a convex portion 310 that is convex upward is formed on the surface 31 of the heat generating portion 3 of this modified example. Similar to the first embodiment, a plurality of convex portions 310 extend parallel to the lateral direction of the cooking container 1 and are formed along the longitudinal direction of the cooking container 1. Further, the convex portion 310 has a shape corresponding to the concave portion 221 so as to fit into the concave portion 221 formed on the back surface 22 of the mounting portion 2, and is formed at a position corresponding to the concave portion 221. Further, the height of the convex portion 310 of the heat generating portion 3 is equivalent to the depth of the concave portion 221.

載置部2および発熱部3は、発熱部3の凸部310が載置部2の裏面22の凹部221に嵌まり込むとともに、載置部2の裏面22の凸部220が発熱部3の凸部310の間に形成される凹部に嵌まり込むことで結合され、一体化される。また、発熱部3の凸部310の高さと、載置部2の凹部221の深さは等しいため、発熱部3の裏面32、すなわち調理容器1の底面は、載置部2と発熱部3とにより平面形状となる。 In the mounting portion 2 and the heat generating portion 3, the convex portion 310 of the heat generating portion 3 is fitted into the concave portion 221 of the back surface 22 of the mounting portion 2, and the convex portion 220 of the back surface 22 of the mounting portion 2 is the heat generating portion 3. It is connected and integrated by fitting into the concave portion formed between the convex portions 310. Further, since the height of the convex portion 310 of the heat generating portion 3 and the depth of the concave portion 221 of the mounting portion 2 are equal, the back surface 32 of the heating portion 3, that is, the bottom surface of the cooking container 1 is the mounting portion 2 and the heat generating portion 3. It becomes a plane shape by.

本変形例においては、載置部2の凸部210と凹部221との間の厚みを厚くすることで、凸部210への熱伝導を早めることができる。これにより、調理容器1の加熱効率が向上する。また、凸部310の高さを抑え、磁性体(発熱部3)を減らすことで、調理容器1の軽量化を図ることができ、使用者の使い勝手が向上する。 In this modification, the heat conduction to the convex portion 210 can be accelerated by increasing the thickness between the convex portion 210 and the concave portion 221 of the mounting portion 2. As a result, the heating efficiency of the cooking container 1 is improved. Further, by suppressing the height of the convex portion 310 and reducing the magnetic material (heat generating portion 3), the weight of the cooking container 1 can be reduced, and the usability of the user is improved.

実施の形態2.
次に、本発明の実施の形態2について説明する。実施の形態2の調理容器は、載置部および発熱部の形状において、実施の形態1と相違する。図8は、本実施の形態における調理容器1Aの断面模式図であり、図9は、本実施の形態における調理容器1Aの斜視図である。
Embodiment 2.
Next, Embodiment 2 of the present invention will be described. The cooking container of the second embodiment is different from the first embodiment in the shape of the mounting portion and the heat generating portion. FIG. 8 is a schematic cross-sectional view of the cooking container 1A according to the present embodiment, and FIG. 9 is a perspective view of the cooking container 1A according to the present embodiment.

図8および図9に示すように、調理容器1Aは、上方が開口した矩形の箱形状を有しており、調理物7が載置される載置部2Aと、載置部2Aを加熱するための発熱部3Aとを備える。載置部2Aは、アルミまたは銅などの熱伝導率の高い非磁性体で形成される。また、載置部2Aは、調理容器1Aの本体を構成するものであり、底部20と底部20から立設する壁部23とを備える。さらに、載置部2Aの底部20には、複数の凸部210Aおよび凹部211Aが形成される。発熱部3Aは、鉄またはステンレスなどの透磁率の高い磁性体で形成され、調理容器1Aの底面、すなわち載置部2Aの底部20の下方において、載置部2Aと一体に結合される。 As shown in FIGS. 8 and 9, the cooking container 1A has a rectangular box shape with an upper opening, and heats the mounting portion 2A on which the cooked food 7 is placed and the mounting portion 2A. It is provided with a heat generating portion 3A for the purpose. The mounting portion 2A is formed of a non-magnetic material having high thermal conductivity such as aluminum or copper. Further, the mounting portion 2A constitutes the main body of the cooking container 1A, and includes a bottom portion 20 and a wall portion 23 erected from the bottom portion 20. Further, a plurality of convex portions 210A and concave portions 211A are formed on the bottom portion 20 of the mounting portion 2A. The heat generating portion 3A is formed of a magnetic material having a high magnetic permeability such as iron or stainless steel, and is integrally coupled with the mounting portion 2A at the bottom surface of the cooking container 1A, that is, below the bottom portion 20 of the mounting portion 2A.

図10は、本実施の形態における載置部2Aの断面模式図である。図10に示すように、載置部2Aの底部20において、調理物7と接触する表面21には、上方向に凸となる複数の凸部210Aが形成される。凸部210Aは、載置部2Aの短手方向と平行に延びる直方体形状を有している。複数の凸部210Aは、載置部2Aの長手方向に、それぞれ間隔を空けて形成される。また、本実施の形態において、載置部2Aの表面21が凹部211Aに相当する。調理物7と接触する表面21に凸部210Aを設けることで、加熱時に調理物7から排出される水分や油が凹部211Aに溜まり、被調理物への再付着を防止することができる。なお、凸部210Aが本発明の「接触部」および「接触凸部」に相当し、凹部211Aが本発明の「非接触部」に相当する。 FIG. 10 is a schematic cross-sectional view of the mounting portion 2A in the present embodiment. As shown in FIG. 10, on the bottom portion 20 of the mounting portion 2A, a plurality of convex portions 210A that are convex upward are formed on the surface 21 that comes into contact with the cooked food 7. The convex portion 210A has a rectangular parallelepiped shape extending in parallel with the lateral direction of the mounting portion 2A. The plurality of convex portions 210A are formed at intervals in the longitudinal direction of the mounting portion 2A. Further, in the present embodiment, the surface 21 of the mounting portion 2A corresponds to the recess 211A. By providing the convex portion 210A on the surface 21 in contact with the cooked food 7, water and oil discharged from the cooked food 7 during heating are accumulated in the concave portion 211A, and reattachment to the cooked food can be prevented. The convex portion 210A corresponds to the "contact portion" and the "contact convex portion" of the present invention, and the concave portion 211A corresponds to the "non-contact portion" of the present invention.

また、載置部2Aの底部20において、発熱部3Aと接触する裏面22には、上方向に凹となる複数の凹部221が形成される。凹部221は、後述する発熱部3Aの凸部310Aと対応する形状(例えば円筒形状)を有し、凸部310Aと対応する位置に配置される。また、裏面22に形成される凹部221の形状は、表面21に形成される凸部210Aの形状には依存しないものとする。なお、凹部211Aが本発明の「第1凹部」に相当し、凹部221が本発明の「第2凹部」に相当する。 Further, in the bottom portion 20 of the mounting portion 2A, a plurality of concave portions 221 that are concave in the upward direction are formed on the back surface 22 that contacts the heat generating portion 3A. The concave portion 221 has a shape (for example, a cylindrical shape) corresponding to the convex portion 310A of the heat generating portion 3A described later, and is arranged at a position corresponding to the convex portion 310A. Further, the shape of the concave portion 221 formed on the back surface 22 does not depend on the shape of the convex portion 210A formed on the front surface 21. The recess 211A corresponds to the "first recess" of the present invention, and the recess 221 corresponds to the "second recess" of the present invention.

図11は、本実施の形態における発熱部3Aの断面模式図であり、図12は、本実施の形態における発熱部3Aの斜視図である。図11および図12に示すように、発熱部3Aの表面31には、載置部2Aの裏面22に形成される複数の凹部221にそれぞれ相対する複数の凸部310Aが形成される。凸部310は、例えば円筒形状を有している。また、発熱部3Aの裏面32、すなわち調理容器1の底面は平面形状である。なお、凸部310Aが本発明の「発熱凸部」に相当する。 FIG. 11 is a schematic cross-sectional view of the heat generating portion 3A in the present embodiment, and FIG. 12 is a perspective view of the heat generating portion 3A in the present embodiment. As shown in FIGS. 11 and 12, a plurality of convex portions 310A are formed on the front surface 31 of the heat generating portion 3A so as to face the plurality of concave portions 221 formed on the back surface 22 of the mounting portion 2A. The convex portion 310 has, for example, a cylindrical shape. Further, the back surface 32 of the heat generating portion 3A, that is, the bottom surface of the cooking container 1 has a flat shape. The convex portion 310A corresponds to the "heat-generating convex portion" of the present invention.

次に、載置部2Aの凸部210A、凹部221および発熱部3Aの凸部310の配置について説明する。図13は、本実施の形態における載置部2Aの凸部210A、凹部221および発熱部3Aの凸部310の配置を説明する図である。誘導加熱方式の加熱調理器4では、加熱コイル6で生成された磁束によって発生する発熱部3A内の渦電流は、表皮効果により、加熱調理器4の加熱コイル6直上の加熱面5と発熱部3Aの接触面、つまり、加熱コイル6直上の発熱部3Aの裏面32の近傍で多く発生する。この発熱部3Aの裏面32で発生した熱が発熱部3Aを構成する磁性体内を伝導し、さらに発熱部3Aの上方に配置される熱伝導率の高い載置部2Aに熱が伝わることで調理物7が加熱される。このとき、発熱部3Aの裏面32から載置部2Aの裏面22までの距離が大きいほど、熱伝導が遅くなり、載置部2Aは加熱されにくい。 Next, the arrangement of the convex portion 210A, the concave portion 221 of the mounting portion 2A, and the convex portion 310 of the heat generating portion 3A will be described. FIG. 13 is a diagram illustrating the arrangement of the convex portion 210A, the concave portion 221 and the convex portion 310 of the heat generating portion 3A of the mounting portion 2A in the present embodiment. In the induction heating type heating cooker 4, the eddy current in the heat generating portion 3A generated by the magnetic flux generated by the heating coil 6 is caused by the skin effect on the heating surface 5 and the heating portion directly above the heating coil 6 of the heating cooker 4. It often occurs near the contact surface of 3A, that is, the back surface 32 of the heat generating portion 3A directly above the heating coil 6. The heat generated on the back surface 32 of the heat generating portion 3A is conducted in the magnetic body constituting the heat generating portion 3A, and the heat is transferred to the mounting portion 2A having a high thermal conductivity arranged above the heat generating portion 3A for cooking. The object 7 is heated. At this time, as the distance from the back surface 32 of the heat generating portion 3A to the back surface 22 of the mounting portion 2A becomes larger, the heat conduction becomes slower and the mounting portion 2A is less likely to be heated.

また、上記のように、本実施の形態においても、調理物7と接触する載置部2Aの凸部210Aが加熱されることが重要であり、余分な油および不要な水分が蓄積される凹部211Aは高温にならない方がよい。 Further, as described above, also in the present embodiment, it is important that the convex portion 210A of the mounting portion 2A in contact with the cooked food 7 is heated, and the concave portion where excess oil and unnecessary water are accumulated. It is better that 211A does not become hot.

そこで、図13に示すように、本実施の形態では、載置部2Aの表面21に形成される凹部211Aの下方に、発熱部3Aの凸部310Aを配置する構成となっている。これにより、非磁性体の載置部2Aと磁性体の発熱部3Aが結合した場合に、載置部2Aの凹部211Aの下方に配置される発熱部3Aの厚みが、載置部2Aの凸部210Aの下方に配置される発熱部3Aの厚みよりも大きくなる。言い換えると、載置部2Aの凹部211Aの厚みが、載置部2Aの凸部210Aの厚みよりも小さくなる。このように、熱伝導率の高い載置部2Aの厚みが増すことで凸部210Aは加熱されやすくなり、一方で載置部2Aの凹部211Aが加熱されにくくなる。その結果、加熱効率を向上させることができる。また、調理容器1Aの凹部211Aにたまった余分な油や水分の蒸発についても抑制される。 Therefore, as shown in FIG. 13, in the present embodiment, the convex portion 310A of the heat generating portion 3A is arranged below the concave portion 211A formed on the surface 21 of the mounting portion 2A. As a result, when the non-magnetic material mounting portion 2A and the magnetic material heating portion 3A are combined, the thickness of the heat generating portion 3A arranged below the recess 211A of the mounting portion 2A is increased by the convexity of the mounting portion 2A. It is larger than the thickness of the heat generating portion 3A arranged below the portion 210A. In other words, the thickness of the concave portion 211A of the mounting portion 2A is smaller than the thickness of the convex portion 210A of the mounting portion 2A. As described above, by increasing the thickness of the mounting portion 2A having high thermal conductivity, the convex portion 210A is easily heated, while the concave portion 211A of the mounting portion 2A is less likely to be heated. As a result, the heating efficiency can be improved. In addition, evaporation of excess oil and water accumulated in the recess 211A of the cooking container 1A is also suppressed.

以上のように、本実施の形態によれば、実施の形態1と同様に、調理容器1の底面を平面形状とすることで清掃性が向上するとともに、調理容器1内の加熱分布を調整することで加熱ムラによる調理の失敗や加熱調理器4の焦げ付きが低減でき、使用者の利便性が向上する。また、調理容器1Aの本体を、比重の軽い非磁性体からなる載置部2Aとすることで、調理容器1Aの軽量化を図ることができ、使用者の使い勝手が向上する。 As described above, according to the present embodiment, as in the first embodiment, the bottom surface of the cooking container 1 has a flat shape to improve the cleanability and adjust the heating distribution in the cooking container 1. As a result, cooking failure due to uneven heating and scorching of the cooking cooker 4 can be reduced, and the convenience of the user is improved. Further, by making the main body of the cooking container 1A a mounting portion 2A made of a non-magnetic material having a light specific gravity, the weight of the cooking container 1A can be reduced and the usability of the user is improved.

なお、調理容器1Aの底面の形状は平面形状に限定されるものではない。図14は、実施の形態2の変形例1における調理容器1Aの断面模式図である。図14に示すように、調理容器1Aの底面、すなわち発熱部3Aの裏面32を波形状などの緩やかな曲面としてもよい。この場合も調理容器1Aの清掃性を向上させることができる。 The shape of the bottom surface of the cooking container 1A is not limited to the flat shape. FIG. 14 is a schematic cross-sectional view of the cooking container 1A in the first modification of the second embodiment. As shown in FIG. 14, the bottom surface of the cooking container 1A, that is, the back surface 32 of the heat generating portion 3A may be a gentle curved surface such as a wavy shape. In this case as well, the cleanability of the cooking container 1A can be improved.

また、発熱部3Aを載置部2Aに嵌め込む構成としてもよい。図15は、実施の形態2の変形例2における調理容器1Aの断面模式図である。図15に示すように、発熱部3Aを載置部2Aに嵌め込む構成とし、載置部2Aおよび発熱部3Aによって、調理容器1Aの底面を平面形状としてもよい。 Further, the heat generating portion 3A may be fitted into the mounting portion 2A. FIG. 15 is a schematic cross-sectional view of the cooking container 1A in the second modification of the second embodiment. As shown in FIG. 15, the heat generating portion 3A may be fitted into the mounting portion 2A, and the bottom surface of the cooking container 1A may have a flat shape by the mounting portion 2A and the heat generating portion 3A.

実施の形態3.
次に、本発明の実施の形態3について説明する。実施の形態3の調理容器は、発熱部が調理容器の本体を構成する点において実施の形態2と相違する。図16は、本実施の形態における調理容器1Bの断面模式図である。図16において、図8に示す調理容器1Aと同じ構成については、同じ符号を付す。
Embodiment 3.
Next, Embodiment 3 of the present invention will be described. The cooking container of the third embodiment is different from the second embodiment in that the heat generating portion constitutes the main body of the cooking container. FIG. 16 is a schematic cross-sectional view of the cooking container 1B according to the present embodiment. In FIG. 16, the same reference numerals are given to the same configurations as those of the cooking container 1A shown in FIG.

図16に示すように、調理容器1Bは、上方が開口した矩形の箱形状を有しており、調理物7が載置される載置部2Bと、載置部2Bを加熱するための発熱部3Bとを備える。載置部2Bは、アルミまたは銅などの熱伝導率の高い非磁性体で形成され、調理容器1Bの底部において発熱部3Bと一体に結合される。載置部2Bに形成される凸部210A、凹部211Aおよび凹部221の形状および配置については、実施の形態2と同様である。 As shown in FIG. 16, the cooking container 1B has a rectangular box shape with an opening at the top, and generates heat for heating the mounting portion 2B on which the cooked food 7 is placed and the mounting portion 2B. A part 3B is provided. The mounting portion 2B is formed of a non-magnetic material having high thermal conductivity such as aluminum or copper, and is integrally coupled with the heat generating portion 3B at the bottom of the cooking container 1B. The shapes and arrangements of the convex portion 210A, the concave portion 211A, and the concave portion 221 formed on the mounting portion 2B are the same as those in the second embodiment.

発熱部3Bは、鉄またはステンレスなどの透磁率の高い磁性体で形成される。本実施の形態の発熱部3Bは、調理容器1Bの本体を構成するものであり、載置部2Bの下方に配置される底部30と底部30から立設する壁部33とを備える。発熱部3Bの表面31に形成される凸部310Aの形状および配置、ならびに裏面32の形状については、実施の形態2と同様である。 The heat generating portion 3B is formed of a magnetic material having a high magnetic permeability such as iron or stainless steel. The heat generating portion 3B of the present embodiment constitutes the main body of the cooking container 1B, and includes a bottom portion 30 arranged below the mounting portion 2B and a wall portion 33 erected from the bottom portion 30. The shape and arrangement of the convex portion 310A formed on the front surface 31 of the heat generating portion 3B and the shape of the back surface 32 are the same as those in the second embodiment.

以上のように、本実施の形態によれば、実施の形態1と同様に、調理容器1Bの底面を平面形状とすることで清掃性が向上するとともに、調理容器1B内の加熱分布を調整することで加熱ムラによる調理の失敗や加熱調理器4の焦げ付きが低減でき、使用者の利便性が向上する。また、調理容器1Bの本体を磁性体で形成される発熱部3Bとすることで、調理容器1Bの壁面が熱くなりにくく、使用者の使い勝手が向上する。 As described above, according to the present embodiment, as in the first embodiment, the bottom surface of the cooking container 1B has a flat shape to improve the cleanability and adjust the heating distribution in the cooking container 1B. As a result, cooking failure due to uneven heating and scorching of the cooking device 4 can be reduced, and the convenience of the user is improved. Further, by forming the main body of the cooking container 1B as a heat generating portion 3B formed of a magnetic material, the wall surface of the cooking container 1B is less likely to become hot, and the usability of the user is improved.

実施の形態4.
次に、本発明の実施の形態4について説明する。実施の形態4の調理容器は、載置部および発熱部の結合の構成において、実施の形態2と相違する。図17は、本実施の形態における調理容器1Cの断面模式図である。図17において、図8に示す調理容器1Aと同じ構成については、同じ符号を付す。
Embodiment 4.
Next, Embodiment 4 of the present invention will be described. The cooking container of the fourth embodiment is different from the second embodiment in the configuration of connecting the mounting portion and the heat generating portion. FIG. 17 is a schematic cross-sectional view of the cooking container 1C according to the present embodiment. In FIG. 17, the same reference numerals are given to the same configurations as those of the cooking container 1A shown in FIG.

図17に示すように、調理容器1Cは、上方が開口した矩形の箱形状を有しており、調理物7が載置される載置部2Cと、載置部2Cを加熱するための発熱部3Cとを備える。載置部2Cは、アルミまたは銅などの熱伝導率の高い非磁性体で形成される。また、載置部2Cは、調理容器1Cの本体を構成するものであり、底部20と底部20から立設する壁部23とを備える。さらに、載置部2Cの底部20には、複数の凸部210Aおよび凹部211Aが形成される。発熱部3Cは、鉄またはステンレスなどの透磁率の高い磁性体で形成され、調理容器1Cの底面、すなわち載置部2Cの底部20の下方において、載置部2Cと一体に結合される。 As shown in FIG. 17, the cooking container 1C has a rectangular box shape with an opening at the top, and generates heat for heating the mounting portion 2C on which the cooked food 7 is placed and the mounting portion 2C. A unit 3C is provided. The mounting portion 2C is formed of a non-magnetic material having high thermal conductivity such as aluminum or copper. Further, the mounting portion 2C constitutes the main body of the cooking container 1C, and includes a bottom portion 20 and a wall portion 23 erected from the bottom portion 20. Further, a plurality of convex portions 210A and concave portions 211A are formed on the bottom portion 20 of the mounting portion 2C. The heat generating portion 3C is formed of a magnetic material having a high magnetic permeability such as iron or stainless steel, and is integrally coupled with the mounting portion 2C at the bottom surface of the cooking container 1C, that is, below the bottom portion 20 of the mounting portion 2C.

図18は、本実施の形態における載置部2Cの断面模式図である。図18に示すように、載置部2Cの底部20の表面21には、上方向に凸となる複数の凸部210Aおよび凹部211Aが形成される。載置部2Cの凸部210Aおよび凹部211Aの形状および配置については、実施の形態2と同様である。また、載置部2Cの底部20の裏面22には、下方向に凸となる複数の凸部220Cが形成される。凸部220Cは、後述する発熱部3Cの凹部311と対応する形状(例えば円筒形状)を有し、凹部311と対応する位置に配置される。なお、裏面22に形成される凸部220Cの形状は、表面21に形成される凸部210Aの形状には依存しないものとする。また、本実施の形態の凸部210Aが本発明の「第1凸部」に相当し、凸部220Cが本発明の「第2凸部」に相当する。 FIG. 18 is a schematic cross-sectional view of the mounting portion 2C in the present embodiment. As shown in FIG. 18, a plurality of convex portions 210A and concave portions 211A that are convex in the upward direction are formed on the surface 21 of the bottom portion 20 of the mounting portion 2C. The shapes and arrangements of the convex portion 210A and the concave portion 211A of the mounting portion 2C are the same as those in the second embodiment. Further, a plurality of convex portions 220C that are convex downward are formed on the back surface 22 of the bottom portion 20 of the mounting portion 2C. The convex portion 220C has a shape (for example, a cylindrical shape) corresponding to the concave portion 311 of the heat generating portion 3C described later, and is arranged at a position corresponding to the concave portion 311. The shape of the convex portion 220C formed on the back surface 22 does not depend on the shape of the convex portion 210A formed on the front surface 21. Further, the convex portion 210A of the present embodiment corresponds to the "first convex portion" of the present invention, and the convex portion 220C corresponds to the "second convex portion" of the present invention.

図19は本実施の形態における発熱部3Cの断面模式図であり、図20は、本実施の形態における発熱部3Cの斜視図である。図19および図20に示すように、発熱部3Cの表面31には、載置部2Cの裏面22に形成された複数の凸部220Cにそれぞれ相対する複数の凹部311が形成される。凹部311は、例えば円筒形状を有している。また、底部30の裏面32は、平面形状となっている。 FIG. 19 is a schematic cross-sectional view of the heat generating portion 3C in the present embodiment, and FIG. 20 is a perspective view of the heat generating portion 3C in the present embodiment. As shown in FIGS. 19 and 20, the front surface 31 of the heat generating portion 3C is formed with a plurality of recesses 311 facing the plurality of convex portions 220C formed on the back surface 22 of the mounting portion 2C. The recess 311 has, for example, a cylindrical shape. Further, the back surface 32 of the bottom portion 30 has a planar shape.

また、載置部2Cの凸部220Cおよび発熱部3Cの凹部311は、載置部2Cの凸部210Aの下方に配置される。これにより、載置部2Cと発熱部3Cとが結合した場合に、載置部2Cの凹部211Aの下方に配置される発熱部3Cの厚みが、載置部2Cの凸部210Aの下方に配置される発熱部3Cの厚みよりも大きくなる。これにより、載置部2Cの凸部210Aが加熱されやすくなり、載置部2Cの凹部211Aが加熱されにくくなる。その結果、加熱効率を向上させることができる。また、調理容器1Cの凹部211Aにたまった余分な油や水分の蒸発についても抑制される。 Further, the convex portion 220C of the mounting portion 2C and the concave portion 311 of the heat generating portion 3C are arranged below the convex portion 210A of the mounting portion 2C. As a result, when the mounting portion 2C and the heat generating portion 3C are combined, the thickness of the heat generating portion 3C arranged below the concave portion 211A of the mounting portion 2C is arranged below the convex portion 210A of the mounting portion 2C. It becomes larger than the thickness of the heat generating portion 3C to be generated. As a result, the convex portion 210A of the mounting portion 2C is easily heated, and the concave portion 211A of the mounting portion 2C is less likely to be heated. As a result, the heating efficiency can be improved. In addition, evaporation of excess oil and water accumulated in the recess 211A of the cooking container 1C is also suppressed.

以上のように、本実施の形態によれば、実施の形態1と同様に、調理容器1Cの底面を平面形状とすることで清掃性が向上するとともに、調理容器1C内の加熱分布を調整することで加熱ムラによる調理の失敗や加熱調理器4の焦げ付きが低減でき、使用者の利便性が向上する。また、比重の重い磁性体の量を減らすことで、調理容器1Cの軽量化を図ることができ、使用者の使い勝手が向上する。 As described above, according to the present embodiment, as in the first embodiment, the bottom surface of the cooking container 1C has a flat shape to improve the cleanability and adjust the heating distribution in the cooking container 1C. As a result, cooking failure due to uneven heating and scorching of the cooking cooker 4 can be reduced, and the convenience of the user is improved. Further, by reducing the amount of the magnetic material having a heavy specific gravity, the weight of the cooking container 1C can be reduced, and the usability of the user is improved.

実施の形態5.
次に、本発明の実施の形態5について説明する。実施の形態5の調理容器は、載置部および発熱部の結合の構成において、実施の形態2と相違する。図21は、本実施の形態における調理容器1Dの断面模式図である。図21において、図8に示す調理容器1Aと同じ構成については、同じ符号を付す。
Embodiment 5.
Next, a fifth embodiment of the present invention will be described. The cooking container of the fifth embodiment is different from the second embodiment in the configuration of connecting the mounting portion and the heat generating portion. FIG. 21 is a schematic cross-sectional view of the cooking container 1D according to the present embodiment. In FIG. 21, the same reference numerals are given to the same configurations as those of the cooking container 1A shown in FIG.

図21に示すように、調理容器1Dは、上方が開口した矩形の箱形状を有しており、調理物7が載置される載置部2Dと、載置部2Dを加熱するための発熱部3Dとを備える。載置部2Dは、アルミまたは銅などの熱伝導率の高い非磁性体で形成される。また、載置部2Dは、調理容器1Dの本体を構成するものであり、底部20と底部20から立設する壁部23とを備える。さらに、載置部2Dの底部20には、複数の凸部210Aおよび凹部211Aが形成される。発熱部3Dは、鉄またはステンレスなどの透磁率の高い磁性体で形成され、調理容器1Dの底面、すなわち載置部2Dの底部20の下方において、載置部2Dと一体に結合される。 As shown in FIG. 21, the cooking container 1D has a rectangular box shape with an opening at the top, and generates heat for heating the mounting portion 2D on which the cooked food 7 is placed and the mounting portion 2D. A unit 3D is provided. The mounting portion 2D is formed of a non-magnetic material having high thermal conductivity such as aluminum or copper. Further, the mounting portion 2D constitutes the main body of the cooking container 1D, and includes a bottom portion 20 and a wall portion 23 erected from the bottom portion 20. Further, a plurality of convex portions 210A and concave portions 211A are formed on the bottom portion 20 of the mounting portion 2D. The heat generating portion 3D is formed of a magnetic material having a high magnetic permeability such as iron or stainless steel, and is integrally coupled with the mounting portion 2D at the bottom surface of the cooking container 1D, that is, below the bottom portion 20 of the mounting portion 2D.

図22は、本実施の形態における載置部2Dの断面模式図である。図22に示すように、載置部2Dの底部20の表面21には、上方向に凸となる複数の凸部210Aおよび凹部211Aが形成される。載置部2Dの凸部210Aおよび凹部211Aの形状および配置については、実施の形態2と同様である。また、載置部2Dの底部20の裏面22には、下方向に凸となる複数の凸部220Dが形成される。凸部220Dは、後述する発熱部3Dの貫通穴312Dと対応する形状(例えば円筒形状)を有し、貫通穴312Dと対応する位置に配置される。なお、裏面22に形成される凸部220Dの形状は、表面21に形成される凸部210Aの形状には依存しないものとする。また、本実施の形態の凸部210Aが本発明の「第1凸部」に相当し、凸部220Dが本発明の「第2凸部」に相当する。 FIG. 22 is a schematic cross-sectional view of the mounting portion 2D in the present embodiment. As shown in FIG. 22, a plurality of convex portions 210A and concave portions 211A that are convex in the upward direction are formed on the surface 21 of the bottom portion 20 of the mounting portion 2D. The shapes and arrangements of the convex portion 210A and the concave portion 211A of the mounting portion 2D are the same as those in the second embodiment. Further, a plurality of convex portions 220D that are convex downward are formed on the back surface 22 of the bottom portion 20 of the mounting portion 2D. The convex portion 220D has a shape (for example, a cylindrical shape) corresponding to the through hole 312D of the heat generating portion 3D described later, and is arranged at a position corresponding to the through hole 312D. The shape of the convex portion 220D formed on the back surface 22 does not depend on the shape of the convex portion 210A formed on the front surface 21. Further, the convex portion 210A of the present embodiment corresponds to the "first convex portion" of the present invention, and the convex portion 220D corresponds to the "second convex portion" of the present invention.

図23は、本実施の形態における発熱部3Dの断面図である。図23に示すように、発熱部3Dは、複数の貫通穴312Dを有している。貫通穴312Dは、載置部2Dの裏面22に形成される凸部220Dと対応する形状を有し、凸部220Dと対応する位置に配置される。また、発熱部3Dの厚みは、載置部2Dの裏面22に形成される凸部220Dの高さと同等とする。これにより、載置部2Dの凸部220Dが発熱部3Dの貫通穴312Dに嵌まり込んで結合された状態において、調理容器1Dの底面が平面形状となる。 FIG. 23 is a cross-sectional view of the heat generating portion 3D in the present embodiment. As shown in FIG. 23, the heat generating portion 3D has a plurality of through holes 312D. The through hole 312D has a shape corresponding to the convex portion 220D formed on the back surface 22 of the mounting portion 2D, and is arranged at a position corresponding to the convex portion 220D. Further, the thickness of the heat generating portion 3D is equal to the height of the convex portion 220D formed on the back surface 22 of the mounting portion 2D. As a result, the bottom surface of the cooking container 1D becomes a flat shape in a state where the convex portion 220D of the mounting portion 2D is fitted into the through hole 312D of the heat generating portion 3D and is connected.

また、載置部2Dの凸部220Dおよび発熱部3Dの貫通穴312Dは、載置部2Dの凹部211Aの下方に配置される。これにより、調理物7と接触する凸部210Aの下方に発熱部3Dが配置されて加熱されるとともに、載置部2の凹部211Aの加熱を低減できる。その結果、加熱効率を向上させることができる。また、調理容器1Dの凹部211Aにたまった余分な油や水分の蒸発についても抑制される。 Further, the convex portion 220D of the mounting portion 2D and the through hole 312D of the heat generating portion 3D are arranged below the concave portion 211A of the mounting portion 2D. As a result, the heat generating portion 3D is arranged below the convex portion 210A in contact with the cooked food 7 to be heated, and the heating of the concave portion 211A of the mounting portion 2 can be reduced. As a result, the heating efficiency can be improved. In addition, evaporation of excess oil and water accumulated in the recess 211A of the cooking container 1D is also suppressed.

以上のように、本実施の形態によれば、実施の形態1と同様に、調理容器1Dの底面を平面形状とすることで清掃性が向上するとともに、調理容器1D内の加熱分布を調整することで加熱ムラによる調理の失敗や加熱調理器4の焦げ付きが低減でき、使用者の利便性が向上する。また、比重の重い磁性体の量をさらに減らして調理容器1Dの軽量化を実現することができ、使用者の使い勝手が向上する。 As described above, according to the present embodiment, as in the first embodiment, the flat bottom surface of the cooking container 1D improves the cleanability and adjusts the heating distribution in the cooking container 1D. As a result, cooking failure due to uneven heating and scorching of the cooking cooker 4 can be reduced, and the convenience of the user is improved. Further, the amount of the magnetic material having a heavy specific gravity can be further reduced to reduce the weight of the cooking container 1D, and the usability of the user is improved.

実施の形態6.
次に、本発明の実施の形態6について説明する。実施の形態6の調理容器は、載置部および発熱部の形状において、実施の形態2と相違する。図24は、本実施の形態における調理容器1Eの断面模式図であり、図25は、本実施の形態における調理容器1Eの斜視図である。図24および図25において、図8に示す調理容器1Aと同じ構成については、同じ符号を付す。
Embodiment 6.
Next, a sixth embodiment of the present invention will be described. The cooking container of the sixth embodiment is different from the second embodiment in the shape of the mounting portion and the heat generating portion. FIG. 24 is a schematic cross-sectional view of the cooking container 1E according to the present embodiment, and FIG. 25 is a perspective view of the cooking container 1E according to the present embodiment. In FIGS. 24 and 25, the same components as those of the cooking container 1A shown in FIG. 8 are designated by the same reference numerals.

図24および図25に示すように、調理容器1Eは、上方が開口した矩形の箱形状を有しており、調理物7が載置される載置部2Eと、載置部2Eを加熱するための発熱部3Eとを備える。載置部2Eは、アルミまたは銅などの熱伝導率の高い非磁性体で形成される。また、載置部2Eは、調理容器1Eの本体を構成するものであり、底部20と底部20から立設する壁部23とを備える。さらに、載置部2Eの底部20には、複数の凸部210Eおよび貫通穴212が形成される。発熱部3Eは、鉄またはステンレスなどの透磁率の高い磁性体で形成され、調理容器1Eの底面、すなわち載置部2Eの底部20の下方において、載置部2Eと一体に結合される。また、発熱部3Eには、調理容器1Eの底部表面を構成する複数の凸部310Eが形成される。 As shown in FIGS. 24 and 25, the cooking container 1E has a rectangular box shape with an upper opening, and heats the mounting portion 2E on which the cooked food 7 is placed and the mounting portion 2E. It is provided with a heat generating portion 3E for the purpose. The mounting portion 2E is formed of a non-magnetic material having high thermal conductivity such as aluminum or copper. Further, the mounting portion 2E constitutes the main body of the cooking container 1E, and includes a bottom portion 20 and a wall portion 23 erected from the bottom portion 20. Further, a plurality of convex portions 210E and through holes 212 are formed on the bottom portion 20 of the mounting portion 2E. The heat generating portion 3E is formed of a magnetic material having a high magnetic permeability such as iron or stainless steel, and is integrally coupled with the mounting portion 2E at the bottom surface of the cooking container 1E, that is, below the bottom portion 20 of the mounting portion 2E. Further, a plurality of convex portions 310E forming the bottom surface of the cooking container 1E are formed in the heat generating portion 3E.

図26は、本実施の形態における載置部2Eの断面模式図であり、図27は本実施の形態における載置部2Eの斜視図である。図26および図27に示すように、載置部2Eの底部20の表面21には、断面が山形状の凸部210Eが形成される。凸部210Eは、載置部2Eの短手方向と平行に延びており、複数の凸部210が、載置部2Aの長手方向にそれぞれ間隔を空けて形成される。また、隣り合う凸部210Eの間には、載置部2Eの短手方向と平行に延びる、長方形の貫通穴212が形成される。 FIG. 26 is a schematic cross-sectional view of the mounting portion 2E in the present embodiment, and FIG. 27 is a perspective view of the mounting portion 2E in the present embodiment. As shown in FIGS. 26 and 27, a convex portion 210E having a mountain-shaped cross section is formed on the surface 21 of the bottom portion 20 of the mounting portion 2E. The convex portion 210E extends parallel to the lateral direction of the mounting portion 2E, and a plurality of convex portions 210 are formed at intervals in the longitudinal direction of the mounting portion 2A. Further, between adjacent convex portions 210E, a rectangular through hole 212 extending in parallel with the lateral direction of the mounting portion 2E is formed.

図28は、本実施の形態における発熱部3Eの断面模式図である。図28に示すように、発熱部3Eの表面31には、複数の凸部310Eが形成される。凸部310Eは、載置部2Eの底部20に形成される貫通穴212と同じ形状を有し、載置部2Eの底部20に形成される貫通穴212に対応する位置に配置される。また、発熱部3Eの凸部310Eの高さは、載置部2Eの底部20の厚みと同等である。また、発熱部3Eの裏面32は、平面形状である。 FIG. 28 is a schematic cross-sectional view of the heat generating portion 3E according to the present embodiment. As shown in FIG. 28, a plurality of convex portions 310E are formed on the surface 31 of the heat generating portion 3E. The convex portion 310E has the same shape as the through hole 212 formed in the bottom 20 of the mounting portion 2E, and is arranged at a position corresponding to the through hole 212 formed in the bottom 20 of the mounting portion 2E. Further, the height of the convex portion 310E of the heat generating portion 3E is equivalent to the thickness of the bottom portion 20 of the mounting portion 2E. The back surface 32 of the heat generating portion 3E has a planar shape.

載置部2Eの底部20に形成された貫通穴212に、発熱部3Eの凸部310Eが嵌まり込むことで、載置部2Eと発熱部3Eとが結合する。また、このとき、発熱部3Eの凸部310Eの上面が載置部2Eの表面21の一部を構成する。より詳しくは、発熱部3Eの凸部310Eの上面は、載置部2Eの表面における凹部に相当する。このように、調理容器1Eの底部表面における凸部210Eが熱伝導率の高い非磁性体で形成され、調理容器1Eの底部表面における凹部が熱伝導率の低い発熱部3Eで形成されることで、調理物7と接触する凸部210Eを効率よく加熱し、凹部の加熱を低減できる。その結果、調理容器1Eの凹部にたまった余分な油や水分の蒸発を抑制することできる。なお、凸部210Eが本発明の「接触部」および「接触凸部」に相当し、貫通穴212および凸部310Eが本発明の「非接触部」に相当する。また、凸部310Eが本発明の「発熱凸部」に相当する。 By fitting the convex portion 310E of the heat generating portion 3E into the through hole 212 formed in the bottom portion 20 of the mounting portion 2E, the mounting portion 2E and the heat generating portion 3E are coupled. At this time, the upper surface of the convex portion 310E of the heat generating portion 3E constitutes a part of the surface 21 of the mounting portion 2E. More specifically, the upper surface of the convex portion 310E of the heat generating portion 3E corresponds to the concave portion on the surface of the mounting portion 2E. As described above, the convex portion 210E on the bottom surface of the cooking container 1E is formed of a non-magnetic material having high thermal conductivity, and the concave portion on the bottom surface of the cooking container 1E is formed by the heat generating portion 3E having low thermal conductivity. , The convex portion 210E in contact with the cooked food 7 can be efficiently heated, and the heating of the concave portion can be reduced. As a result, the evaporation of excess oil and water accumulated in the recess of the cooking container 1E can be suppressed. The convex portion 210E corresponds to the "contact portion" and the "contact convex portion" of the present invention, and the through hole 212 and the convex portion 310E correspond to the "non-contact portion" of the present invention. Further, the convex portion 310E corresponds to the "heat-generating convex portion" of the present invention.

また、図24に示すように、載置部2Eの凸部210Eの底辺長さをLa、凸部210Eの上辺の長さをLb、貫通穴212の幅(=発熱部3Eの凸部310Eの上辺の長さ)をLcとした場合、La>Lb≧Lcの関係を満たすような構成となっている。これにより、載置部2Eと凸部210Eの下方の発熱部3Eとの接触面積を増やすことができる。また、載置部2Eの凸部210Eと凹部を構成する発熱部3Eの凸部310Eの上面との接触面とがなす角度が90°よりも広くなることで、調理容器1Eの底部表面における凸型形状が緩やかになり、調理容器1Eの底部表面の清掃性が向上する。 Further, as shown in FIG. 24, the base length of the convex portion 210E of the mounting portion 2E is La, the length of the upper side of the convex portion 210E is Lb, and the width of the through hole 212 (= the convex portion 310E of the heat generating portion 3E). When the length of the upper side) is Lc, the configuration is such that the relationship of La> Lb ≧ Lc is satisfied. As a result, the contact area between the mounting portion 2E and the heat generating portion 3E below the convex portion 210E can be increased. Further, the angle formed by the contact surface between the convex portion 210E of the mounting portion 2E and the upper surface of the convex portion 310E of the heat generating portion 3E forming the concave portion is wider than 90 °, so that the convex portion on the bottom surface of the cooking container 1E is convex. The shape of the mold becomes gentle, and the cleanability of the bottom surface of the cooking container 1E is improved.

以上のように、本実施の形態によれば、実施の形態1と同様に、調理容器1Eの底面を平面形状とすることで清掃性が向上するとともに、調理容器1E内の加熱分布を調整することで加熱ムラによる調理の失敗や加熱調理器4の焦げ付きが低減でき、使用者の利便性が向上する。また、調理物7と接触する部分における非磁性体と磁性体との接触面積を増やすことで加熱効率が向上する。さらに、調理容器1Eの底部表面における清掃性も向上する。 As described above, according to the present embodiment, as in the first embodiment, the bottom surface of the cooking container 1E has a flat shape to improve the cleanability and adjust the heating distribution in the cooking container 1E. As a result, cooking failure due to uneven heating and scorching of the cooking cooker 4 can be reduced, and the convenience of the user is improved. Further, the heating efficiency is improved by increasing the contact area between the non-magnetic material and the magnetic material in the portion in contact with the cooked food 7. Further, the cleanability on the bottom surface of the cooking container 1E is also improved.

図29は、実施の形態6の変形例における調理容器1Eの断面模式図である。図29に示すように、発熱部3Eの凹部311Eの上面が、調理容器1Eの底部表面における凹部となるように構成してもよい。 FIG. 29 is a schematic cross-sectional view of the cooking container 1E in the modified example of the sixth embodiment. As shown in FIG. 29, the upper surface of the recess 311E of the heat generating portion 3E may be configured to be a recess on the bottom surface of the cooking container 1E.

実施の形態7.
次に、本発明の実施の形態7について説明する。実施の形態7の調理容器は、載置部の凸部の配置において、実施の形態2と相違する。図30は、本実施の形態における調理容器1Fの断面模式図である。図30において、図8に示す調理容器1Aと同じ構成については、同じ符号を付す。
Embodiment 7.
Next, Embodiment 7 of the present invention will be described. The cooking container of the seventh embodiment is different from the second embodiment in the arrangement of the convex portion of the mounting portion. FIG. 30 is a schematic cross-sectional view of the cooking container 1F in the present embodiment. In FIG. 30, the same reference numerals are given to the same configurations as those of the cooking container 1A shown in FIG.

図30に示すように、調理容器1Fは、上方が開口した矩形の箱形状を有しており、調理物7が載置される載置部2Fと、載置部2Fを加熱するための発熱部3Fとを備える。載置部2Fは、アルミまたは銅などの熱伝導率の高い非磁性体で形成される。また、載置部2Fは、調理容器1Fの本体を構成するものであり、底部20と底部20から立設する壁部23とを備える。さらに、載置部2Fの底部20には、複数の凸部210Aおよび凹部211Aが形成される。発熱部3Fは、鉄またはステンレスなどの透磁率の高い磁性体で形成され、調理容器1Fの底面、すなわち載置部2Fの底部20の下方において、載置部2Fと一体に結合される。 As shown in FIG. 30, the cooking container 1F has a rectangular box shape with an opening at the top, and generates heat for heating the mounting portion 2F on which the cooked food 7 is placed and the mounting portion 2F. It is provided with a part 3F. The mounting portion 2F is formed of a non-magnetic material having high thermal conductivity such as aluminum or copper. Further, the mounting portion 2F constitutes the main body of the cooking container 1F, and includes a bottom portion 20 and a wall portion 23 erected from the bottom portion 20. Further, a plurality of convex portions 210A and concave portions 211A are formed on the bottom portion 20 of the mounting portion 2F. The heat generating portion 3F is formed of a magnetic material having a high magnetic permeability such as iron or stainless steel, and is integrally coupled with the mounting portion 2F at the bottom surface of the cooking container 1F, that is, below the bottom portion 20 of the mounting portion 2F.

載置部2Fの底部20に形成される複数の凸部210Aの形状は、実施の形態2と同様である。ただし、本実施の形態では、複数の凸部210は、載置部2Aの長手方向に、それぞれ異なる間隔を空けて形成される。具体的には、図30に示す凸部210Aと凸部210Aの間隔をL1、凸部210Aと凸部210Aの間隔をL2、凸部210Aと凸部210Aの間隔をL3とした場合、各間隔の関係をL1<L2<L3とする。これにより、調理容器1Fの中心程、凸部210Aが密になるように構成される。 The shape of the plurality of convex portions 210A formed on the bottom portion 20 of the mounting portion 2F is the same as that of the second embodiment. However, in the present embodiment, the plurality of convex portions 210 are formed at different intervals in the longitudinal direction of the mounting portion 2A. Specifically, the distance between the convex portion 210A 1 and the convex portion 210A 2 shown in FIG. 30 is L1, the distance between the convex portion 210A 2 and the convex portion 210A 3 is L2, and the distance between the convex portion 210A 3 and the convex portion 210A 4 is L3. If, the relationship between each interval is L1 <L2 <L3. As a result, the convex portion 210A is configured to be denser toward the center of the cooking container 1F.

発熱部3Fの表面31には、複数の凸部310Aが形成される。凸部310Aの形状は、実施の形態2と同様である。また、凸部310Aは、実施の形態2と同様に、載置部2Fの凹部211Aの下方に配置される。これにより、載置部2Fの凸部210Aは加熱されやすくなり、一方で載置部2Fの凹部211Aが加熱されにくくなる。その結果、加熱効率を向上させることができる。また、発熱部3Fの裏面32は、平面形状である。 A plurality of convex portions 310A are formed on the surface 31 of the heat generating portion 3F. The shape of the convex portion 310A is the same as that of the second embodiment. Further, the convex portion 310A is arranged below the concave portion 211A of the mounting portion 2F as in the second embodiment. As a result, the convex portion 210A of the mounting portion 2F is easily heated, while the concave portion 211A of the mounting portion 2F is less likely to be heated. As a result, the heating efficiency can be improved. The back surface 32 of the heat generating portion 3F has a planar shape.

以上のように、本実施の形態によれば、実施の形態1の効果に加え、局所的に焦げ目をつけるなど、調理容器1Fの加熱分布を調整することができる。具体的には、調理容器1Fの中心に凸部210Aを密集させることで、魚焼き等を行う場合に、調理容器1Fの中心に載置される胴体に焦げ目をしっかりつけて焼くことができる。 As described above, according to the present embodiment, in addition to the effect of the first embodiment, the heating distribution of the cooking container 1F can be adjusted by locally browning. Specifically, by concentrating the convex portions 210A in the center of the cooking container 1F, when grilling fish or the like, the body placed in the center of the cooking container 1F can be firmly browned and baked.

なお、凸部210A間の間隔は、図30に示すものに限定されない。図31は、実施の形態8の変形例における調理容器1Fの断面模式図である。図31に示すように、凸部210Aと凸部210Aの間隔をL1、凸部210Aと凸部210Aの間隔をL2、凸部210Aと凸部210Aの間隔をL3とした場合、各間隔の関係をL1>L2>L3とし、調理容器1の外側程、凸部210Aが密になるように構成してもよい。 The distance between the convex portions 210A is not limited to that shown in FIG. 30. FIG. 31 is a schematic cross-sectional view of the cooking container 1F in the modified example of the eighth embodiment. As shown in FIG. 31, the distance between the convex portion 210A 1 and the convex portion 210A 2 is L1, the distance between the convex portion 210A 2 and the convex portion 210A 3 is L2, and the distance between the convex portion 210A 3 and the convex portion 210A 4 is L3. In this case, the relationship between the intervals may be L1>L2> L3, and the convex portion 210A may be denser toward the outside of the cooking container 1.

実施の形態8.
次に、本発明の実施の形態8について説明する。実施の形態8は、調理容器を構成する載置部と発熱部とを着脱可能とした点において、実施の形態2と相違する。図32は、本実施の形態における調理容器1Gの構成を説明する断面模式図である。
Embodiment 8.
Next, Embodiment 8 of the present invention will be described. The eighth embodiment is different from the second embodiment in that the mounting portion and the heat generating portion constituting the cooking container can be attached and detached. FIG. 32 is a schematic cross-sectional view illustrating the configuration of the cooking container 1G according to the present embodiment.

図32に示すように、調理容器1Gは、調理物7が載置される載置部2Gと、載置部2Gを加熱するための発熱部3Gとを備える。また、載置部2Gは、発熱部3との接触する裏面22の形状が同一で、調理物7と接触する表面21の形状が異なる複数の載置部2Gaおよび2Gbを含む。複数の載置部2Gaおよび2Gbは、発熱部3G上に着脱できる構成となっている。 As shown in FIG. 32, the cooking container 1G includes a mounting portion 2G on which the cooked food 7 is placed and a heat generating portion 3G for heating the mounting portion 2G. Further, the mounting portion 2G includes a plurality of mounting portions 2Ga and 2Gb having the same shape of the back surface 22 in contact with the heat generating portion 3 but different shapes of the front surface 21 in contact with the cooked food 7. The plurality of mounting portions 2Ga and 2Gb are configured to be removable on the heat generating portion 3G.

載置部2Gaおよび2Gbは、それぞれ底部20および壁部23からなる箱形状を有している。また、壁部23の上端には、載置部2Gを着脱する際に把持される鍔部24が設けられている。載置部2Gaおよび2Gbの裏面22には、複数の凹部221Gがそれぞれ設けられている。凹部221Gは、発熱部3Gの凸部310Gと対応する形状を有し、凸部310と対応する位置に配置される。また、載置部2Gaの表面21は平面形状となっており、載置部2Gbの表面21には、複数の凸部210Aおよび凹部211Aが形成される。凸部210Aおよび凹部211Aの形状は実施の形態2と同様である。 The mounting portions 2Ga and 2Gb have a box shape including a bottom portion 20 and a wall portion 23, respectively. Further, at the upper end of the wall portion 23, a collar portion 24 that is gripped when attaching / detaching the mounting portion 2G is provided. A plurality of recesses 221G are provided on the back surfaces 22 of the mounting portions 2Ga and 2Gb, respectively. The concave portion 221G has a shape corresponding to the convex portion 310G of the heat generating portion 3G, and is arranged at a position corresponding to the convex portion 310. Further, the surface 21 of the mounting portion 2Ga has a planar shape, and a plurality of convex portions 210A and concave portions 211A are formed on the surface 21 of the mounting portion 2Gb. The shapes of the convex portion 210A and the concave portion 211A are the same as those in the second embodiment.

発熱部3Gは、底部30および壁部33からなる箱形状を有している。発熱部3Gの底部30の表面31には、載置部2Gaおよび2Gbの凹部221Gに対応する複数の凸部310Gが形成される。また、発熱部3Gの裏面32は平面形状となっている。 The heat generating portion 3G has a box shape including a bottom portion 30 and a wall portion 33. On the surface 31 of the bottom 30 of the heat generating portion 3G, a plurality of convex portions 310G corresponding to the concave portions 221G of the mounting portions 2Ga and 2Gb are formed. Further, the back surface 32 of the heat generating portion 3G has a planar shape.

以上のように、本実施の形態によれば、比重の重い磁性体の発熱部3Gの移動および清掃の回数を削減することができる。使用者は、発熱部3Gの汚れがひどくなるまで、比重の軽い非磁性体からなる載置部2Gのみを清掃すればよく、清掃時の負荷が削減できる。また、発熱部3Gを加熱調理器4上に配置したまま、載置部2Gを入れ替えることで、簡単に連続して異なる調理を行うことができる。例えば、グリル庫のように使用できる調理容器に制限がある場合、または異なった料理を連続して行いたい場合は、重くて熱い調理容器をその都度清掃する必要があったが、載置部2Gのみを入れ替えて、清掃できることで、利便性が向上する。また、魚用、肉用といった用途別、平面、凹凸、たこ焼きといった形状別、といったように手軽に差し替えのための載置部のみを購入できる。さらに、発熱部3Gを一形態とし、載置部2Gのみで様々な形状の調理容器1Gを提供できることで、製造コストおよび負荷を削減できる。なお、図32における載置部2Gおよび発熱部3Gの形状は一例であり、実施の形態1〜7の調理容器における載置部および発熱部を着脱可能な構成としてもよい。 As described above, according to the present embodiment, it is possible to reduce the number of times of movement and cleaning of the heat generating portion 3G of the magnetic material having a heavy specific gravity. The user only needs to clean the mounting portion 2G made of a non-magnetic material having a light specific gravity until the heat generating portion 3G becomes heavily soiled, and the load during cleaning can be reduced. Further, by replacing the mounting portion 2G while the heat generating portion 3G is arranged on the heating cooker 4, different cooking can be easily performed continuously. For example, if there are restrictions on the cooking containers that can be used, such as a grill, or if you want to cook different dishes in succession, you have to clean the heavy and hot cooking containers each time, but the mounting unit 2G Convenience is improved by being able to replace only the container and clean it. In addition, you can easily purchase only the mounting part for replacement, such as for fish and meat, and for flat, uneven, and takoyaki shapes. Further, since the heat generating portion 3G is formed as one form and the cooking container 1G having various shapes can be provided only by the mounting portion 2G, the manufacturing cost and the load can be reduced. The shapes of the mounting portion 2G and the heat generating portion 3G in FIG. 32 are examples, and the mounting portion and the heat generating portion in the cooking container of the first to seventh embodiments may be detachable.

実施の形態9.
次に、本発明の実施の形態9について説明する。実施の形態9は、調理容器の底面に充填材を充填することで平面形状とするものである。図33は、本実施の形態における調理容器1Hの断面模式図である。
Embodiment 9.
Next, a ninth embodiment of the present invention will be described. In the ninth embodiment, the bottom surface of the cooking container is filled with a filler to form a flat shape. FIG. 33 is a schematic cross-sectional view of the cooking container 1H according to the present embodiment.

図33に示すように、調理容器1Hは、上方が開口した矩形の箱形状を有しており、本体8と、本体8の底面に充填される充填材9とからなる。本体8は底部80と底部80から立設する壁部83とからなる矩形の箱形状を有する。本体8の底部80は、均肉の波形状断面を有し、調理物7と接触する表面81に凸部810および凹部811が形成される。凸部810および凹部811は、調理容器1Hの短手方向と平行に延び、調理容器1Hの長手方向に沿って交互に複数形成される。また、底部80の裏面82には、凸部810および凹部811と対応する凹部821および凸部820がそれぞれ形成される。本体8は、磁性体のみで構成されてもよく、磁性体と非磁性体とで構成されてもよい。なお、凸部810が本発明の「接触部」に相当し、凹部811が本発明の「非接触部」に相当する。 As shown in FIG. 33, the cooking container 1H has a rectangular box shape with an upper opening, and is composed of a main body 8 and a filler 9 filled in the bottom surface of the main body 8. The main body 8 has a rectangular box shape including a bottom portion 80 and a wall portion 83 erected from the bottom portion 80. The bottom 80 of the main body 8 has a wavy cross section of a uniform meat, and a convex portion 810 and a concave portion 811 are formed on the surface 81 in contact with the cooked food 7. A plurality of convex portions 810 and concave portions 811 extend parallel to the lateral direction of the cooking container 1H and are alternately formed along the longitudinal direction of the cooking container 1H. Further, a concave portion 821 and a convex portion 820 corresponding to the convex portion 810 and the concave portion 811 are formed on the back surface 82 of the bottom portion 80, respectively. The main body 8 may be composed of only a magnetic material, or may be composed of a magnetic material and a non-magnetic material. The convex portion 810 corresponds to the "contact portion" of the present invention, and the concave portion 811 corresponds to the "non-contact portion" of the present invention.

本体8の裏面82に形成される凹部821には充填材9が充填される。これにより、調理容器1Hの底面が平面形状となる。充填材9には、耐熱性を有し、比重の小さい材料が用いられる。具体的には、シリコーン樹脂、ポリフェニレンスルファイド(PPS)等のプラスチック樹脂、ポリブチレンテレフタレート(PBT)等のスーパーエンジニアリングプラスチック(熱可塑性樹脂)、強化ガラス、セラミック、合金等が用いられる。このとき、加熱調理器4の加熱面5と接触する凸部820には、樹脂を薄く塗布してもよい。 The recess 821 formed on the back surface 82 of the main body 8 is filled with the filler 9. As a result, the bottom surface of the cooking container 1H becomes a flat shape. As the filler 9, a material having heat resistance and a low specific gravity is used. Specifically, silicone resins, plastic resins such as polyphenylene sulfide (PPS), superengineering plastics (thermoplastic resins) such as polybutylene terephthalate (PBT), tempered glass, ceramics, alloys and the like are used. At this time, the resin may be thinly applied to the convex portion 820 in contact with the heating surface 5 of the cooking cooker 4.

以上のように、本実施の形態によれば、実施の形態1と同様に、調理容器1Eの底面を平面形状とすることで清掃性が向上するとともに、調理容器1Hの軽量化が可能になり、使用者の利便性がさらに向上する。 As described above, according to the present embodiment, as in the first embodiment, the flat bottom surface of the cooking container 1E improves the cleaning property and makes it possible to reduce the weight of the cooking container 1H. , The convenience of the user is further improved.

以上、本発明の実施の形態について図面を参照して説明したが、本発明の具体的な構成はこれに限られるものでなく、発明の要旨を逸脱しない範囲で変更可能である。例えば、調理容器1の形状は、上記実施の形態のように矩形の箱形状に限定されるものではなく、円形、楕円形、深型、浅型などとしてもよい。また、調理物7と接触する面が、熱伝導率が高い材料で構成され、加熱調理器4と接触する面が透磁率の高い材料で構成されればよい。さらに、調理物7と接触する面の形状は、波形状でなくてもよく、表面が凹凸形状であればよい。また、調理容器1の表面には、フッ素樹脂やシリコーン樹脂等の耐熱性と非粘着性を有する材料で被膜層を形成してもよい。これにより、調理容器1の汚れの付着を軽減し、付着時の清掃性が向上する。 Although the embodiments of the present invention have been described above with reference to the drawings, the specific configuration of the present invention is not limited to this, and can be changed without departing from the gist of the invention. For example, the shape of the cooking container 1 is not limited to the rectangular box shape as in the above embodiment, but may be circular, oval, deep, shallow, or the like. Further, the surface in contact with the cooked food 7 may be made of a material having high thermal conductivity, and the surface in contact with the cooker 4 may be made of a material having high magnetic permeability. Further, the shape of the surface in contact with the cooked food 7 does not have to be a wavy shape, and the surface may be an uneven shape. Further, a coating layer may be formed on the surface of the cooking container 1 with a material having heat resistance and non-adhesiveness such as fluororesin or silicone resin. As a result, the adhesion of dirt on the cooking container 1 is reduced, and the cleanability at the time of adhesion is improved.

また、上記実施の形態における載置部2と発熱部3との結合部の形状および配置は一例であり、その他の形状および配置としてもよい。例えば、調理容器1の下方の全体に加熱コイル6が配置されていない場合や加熱コイル6の形状により発生する磁束が異なる場合がある。このような場合は、調理容器1内に加熱分布ができやすく、加熱ムラが発生すしやすい。例えば、円形の加熱コイルであれば、加熱コイル直上の磁束が多く、加熱コイル内側(コイル中心)程磁束が集中する場合もある。つまり加熱コイル直上の内側が発熱しやすくなる。 Further, the shape and arrangement of the joint portion between the mounting portion 2 and the heat generating portion 3 in the above embodiment is an example, and other shapes and arrangements may be used. For example, the heating coil 6 may not be arranged on the entire lower part of the cooking container 1, or the magnetic flux generated may differ depending on the shape of the heating coil 6. In such a case, the heating distribution is likely to occur in the cooking container 1, and uneven heating is likely to occur. For example, in the case of a circular heating coil, the magnetic flux directly above the heating coil is large, and the magnetic flux may be concentrated toward the inside of the heating coil (coil center). That is, the inside immediately above the heating coil tends to generate heat.

そこで、発熱部3の表面31に形成される凸部310(載置部2の裏面22に形成される凹部221)を、加熱分布に応じて配置してもよい。具体的には、加熱されやすい加熱コイル6の直上および内側に、発熱部3の表面31に形成される凸部310を多く配置する。図34は、変形例1における発熱部3Jの平面図であり、図35は、変形例2における発熱部3Jの斜視図である。図34および図35に示すように、加熱コイル6直上の加熱されやすい位置に発熱部3Jの凸部310Jを多く設けることで、加熱コイル6直上の発熱部3Jの厚みが増し、熱伝導が遅くなる。一方、加熱されにくい位置の発熱部3Jの厚みを薄くすることで、熱伝導率の高い載置部2に早く熱が伝わることから、調理容器1全体の加熱スピードを均等化でき加熱ムラを抑制できる。これは、調理容器1の表面が平面状の場合でも有効である。また、上記実施の形態における加熱効率の調整方法と、本変形例の加熱コイル6の形状による加熱効率の調整方法とを、それぞれを組み合わせてもよい。 Therefore, the convex portion 310 (the concave portion 221 formed on the back surface 22 of the mounting portion 2) formed on the front surface 31 of the heat generating portion 3 may be arranged according to the heating distribution. Specifically, many convex portions 310 formed on the surface 31 of the heat generating portion 3 are arranged directly above and inside the heating coil 6 which is easily heated. FIG. 34 is a plan view of the heat generating portion 3J in the modified example 1, and FIG. 35 is a perspective view of the heat generating portion 3J in the modified example 2. As shown in FIGS. 34 and 35, by providing a large number of convex portions 310J of the heating portion 3J at positions directly above the heating coil 6 where heating is likely to occur, the thickness of the heating portion 3J directly above the heating coil 6 increases and heat conduction becomes slow. Become. On the other hand, by reducing the thickness of the heat generating portion 3J at a position where it is difficult to heat, heat is quickly transferred to the mounting portion 2 having high thermal conductivity, so that the heating speed of the entire cooking container 1 can be equalized and uneven heating can be suppressed. it can. This is effective even when the surface of the cooking container 1 is flat. Further, the method for adjusting the heating efficiency in the above embodiment and the method for adjusting the heating efficiency according to the shape of the heating coil 6 of this modification may be combined.

1、1A、1B、1C、1D、1E、1F、1G、1H 調理容器、2、2A、2B、2C、2D、2E、2F、2G、2Ga、2Gb 載置部、3、3A、3B、3C、3D、3E、3F、3G、3J 発熱部、4 加熱調理器、5 加熱面、6 加熱コイル、7 調理物、8 本体、9 充填材、20、30、80 底部、21、31、81 表面、22、32、82 裏面、23、33、83 壁部、24 鍔部、210、210A、210A、210A、210A、210A、210E、220、220C、220D、310、310A、310E、310G、310J、810、820 凸部、211、211A、221、221G、311、311E、811、821 凹部、212、312、312D 貫通穴。 1,1A, 1B, 1C, 1D, 1E, 1F, 1G, 1H Cooking container, 2, 2A, 2B, 2C, 2D, 2E, 2F, 2G, 2Ga, 2Gb , 3D, 3E, 3F, 3G, 3J Heat generating part, 4 heating cooker, 5 heating surface, 6 heating coil, 7 cooked food, 8 body, 9 filler, 20, 30, 80 bottom, 21, 31, 81 surface , 22, 32, 82 Back side, 23, 33, 83 Wall part, 24 collar part, 210, 210A, 210A 1 , 210A 2 , 210A 3 , 210A 4 , 210E, 220, 220C, 220D, 310, 310A, 310E, 310G, 310J, 810, 820 Convex, 211, 211A, 221, 221G, 311, 311E, 811, 821 Concave, 212, 312, 312D Through holes.

Claims (14)

非磁性体で形成される載置部と、
磁性体で形成され、前記載置部の下方に配置される発熱部と、を備える誘導加熱用調理容器であって、
前記載置部は、調理物と接触する接触部と、前記調理物と接触しない非接触部とを有し、
前記発熱部は、前記接触部が前記非接触部よりも加熱されるように、前記接触部の下方と前記非接触部の下方とで異なる厚みを有するものであり、
前記誘導加熱用調理容器の底面の形状は、平面または緩やかな曲面であり、
前記載置部は、前記接触部である接触凸部と、前記非接触部である貫通穴とを有し、
前記発熱部は、前記貫通穴に嵌まり込む発熱凸部を有することを特徴とする誘導加熱用調理容器。
A mounting part made of non-magnetic material and
A cooking container for induction heating, which is formed of a magnetic material and includes a heat generating portion arranged below the above-mentioned placing portion.
The above-mentioned placing portion has a contact portion that comes into contact with the cooked food and a non-contact portion that does not come into contact with the cooked food.
The heat generating portion has different thicknesses below the contact portion and below the non-contact portion so that the contact portion is heated more than the non-contact portion.
The shape of the bottom surface of the induction heating cooking container, Ri flat or gently curved der,
The above-mentioned placing portion has a contact convex portion which is the contact portion and a through hole which is the non-contact portion.
The heat-generating portion is a cooking container for induction heating, which has a heat-generating convex portion that fits into the through hole .
非磁性体で形成される載置部と、A mounting part made of non-magnetic material and
磁性体で形成され、前記載置部の下方に配置される発熱部と、を備える誘導加熱用調理容器であって、 A cooking container for induction heating, which is formed of a magnetic material and includes a heat generating portion arranged below the above-mentioned placing portion.
前記載置部は、調理物と接触する接触部と、前記調理物と接触しない非接触部とを有し、 The above-mentioned placing portion has a contact portion that comes into contact with the cooked food and a non-contact portion that does not come into contact with the cooked food.
前記発熱部は、前記接触部が前記非接触部よりも加熱されるように、前記接触部の下方と前記非接触部の下方とで異なる厚みを有するものであり、 The heat generating portion has different thicknesses below the contact portion and below the non-contact portion so that the contact portion is heated more than the non-contact portion.
前記誘導加熱用調理容器の底面の形状は、平面または緩やかな曲面であり、 The shape of the bottom surface of the induction heating cooking container is a flat surface or a gentle curved surface.
前記載置部と前記発熱部とは、着脱可能に結合されることを特徴とする誘導加熱用調理容器。 A cooking container for induction heating, wherein the above-mentioned placing portion and the heat generating portion are detachably connected to each other.
前記載置部は、前記接触部である接触凸部と、前記非接触部である凹部とからなる波形断面を有し、
前記発熱部は、前記接触凸部の下方に配置される発熱凸部と、前記凹部が嵌まり込む貫通穴とを有することを特徴とする請求項に記載の誘導加熱用調理容器。
The above-mentioned placing portion has a corrugated cross section including a contact convex portion which is the contact portion and a concave portion which is the non-contact portion.
The cooking container for induction heating according to claim 2 , wherein the heat-generating portion has a heat-generating convex portion arranged below the contact convex portion and a through hole into which the concave portion is fitted.
前記非接触部の下方に位置する前記発熱部の厚みが、前記接触部の下方に位置する前記発熱部の厚みよりも厚いことを特徴とする請求項に記載の誘導加熱用調理容器。 The cooking container for induction heating according to claim 2 , wherein the thickness of the heat generating portion located below the non-contact portion is thicker than the thickness of the heat generating portion located below the contact portion. 前記載置部は、前記接触部である接触凸部と、前記非接触部である第1凹部と、前記第1凹部の裏側に形成される第2凹部と、を有し、
前記発熱部は、前記第2凹部に嵌まり込む発熱凸部を有することを特徴とする請求項に記載の誘導加熱用調理容器。
The above-mentioned placing portion has a contact convex portion which is the contact portion, a first concave portion which is the non-contact portion, and a second concave portion formed on the back side of the first concave portion.
The cooking container for induction heating according to claim 4 , wherein the heat generating portion has a heat generating convex portion that fits into the second concave portion.
前記載置部は、前記接触部である第1凸部と、前記第1凸部の裏側に形成される第2凸部とを有し、
前記発熱部は、前記第2凸部が嵌まり込む凹部を有することを特徴とする請求項に記載の誘導加熱用調理容器。
The above-mentioned placing portion has a first convex portion which is the contact portion and a second convex portion formed on the back side of the first convex portion.
The cooking container for induction heating according to claim 4 , wherein the heat generating portion has a concave portion into which the second convex portion is fitted.
前記載置部は、前記接触部である第1凸部と、前記非接触部である凹部と、前記凹部の裏側に形成される第2凸部とを有し、
前記発熱部は、前記第2凸部が嵌まり込む貫通穴を有することを特徴とする請求項に記載の誘導加熱用調理容器。
The above-mentioned placing portion has a first convex portion which is the contact portion, a concave portion which is the non-contact portion, and a second convex portion formed on the back side of the concave portion.
The heating unit, the induction heating cooking container according to claim 2, characterized in that it comprises a through hole which the second convex portion writes fits.
前記載置部は、前記接触部である接触凸部と、前記非接触部である貫通穴とを有し、
前記発熱部は、前記貫通穴に嵌まり込む発熱凸部を有することを特徴とする請求項に記載の誘導加熱用調理容器。
The above-mentioned placing portion has a contact convex portion which is the contact portion and a through hole which is the non-contact portion.
The cooking container for induction heating according to claim 2 , wherein the heat-generating portion has a heat-generating convex portion that fits into the through hole.
前記載置部は、複数の前記接触部を備え、
複数の前記接触部は、異なる間隔で配置されることを特徴とする請求項1〜の何れか一項に記載の誘導加熱用調理容器。
The above-mentioned placing portion includes a plurality of the contact portions.
The cooking container for induction heating according to any one of claims 1 to 8 , wherein the plurality of contact portions are arranged at different intervals.
前記載置部と前記発熱部とは、着脱可能に結合されることを特徴とする請求項に記載の誘導加熱用調理容器。 The cooking container for induction heating according to claim 1 , wherein the above-mentioned placing portion and the heat generating portion are detachably connected to each other. 前記発熱部は、前記誘導加熱用調理容器が載置される加熱調理器の加熱分布に応じて異なる厚みを有することを特徴とする請求項1〜10の何れか一項に記載の誘導加熱用調理容器。 The induction heating portion according to any one of claims 1 to 10 , wherein the heat generating portion has a different thickness depending on the heating distribution of the heating cooker on which the induction heating cooking container is placed. Cooking container. 前記加熱調理器の加熱コイル直上に位置する前記発熱部の厚みが、それ以外の部分の厚みよりも厚いことを特徴とする請求項11に記載の誘導加熱用調理容器。 The cooking container for induction heating according to claim 11 , wherein the thickness of the heat generating portion located directly above the heating coil of the cooking cooker is thicker than the thickness of other portions. 前記載置部の裏面の形状が、前記載置部の表面の形状に依存しないことを特徴とする請求項1〜12の何れか一項に記載の誘導加熱用調理容器。 The cooking container for induction heating according to any one of claims 1 to 12 , wherein the shape of the back surface of the above-mentioned placing portion does not depend on the shape of the front surface of the above-mentioned placing portion. 前記発熱部が、前記誘導加熱用調理容器の本体を形成することを特徴とする請求項1〜13の何れか一項に記載の誘導加熱用調理容器。 The induction heating cooking container according to any one of claims 1 to 13 , wherein the heat generating portion forms the main body of the induction heating cooking container.
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