JP2021029574A - Cooking vessel for use in both of ih/direct-fire - Google Patents

Cooking vessel for use in both of ih/direct-fire Download PDF

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JP2021029574A
JP2021029574A JP2019152647A JP2019152647A JP2021029574A JP 2021029574 A JP2021029574 A JP 2021029574A JP 2019152647 A JP2019152647 A JP 2019152647A JP 2019152647 A JP2019152647 A JP 2019152647A JP 2021029574 A JP2021029574 A JP 2021029574A
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cooking
direct
cooker
fire
paint layer
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萩乃 藤田
Hagino Fujita
萩乃 藤田
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Ishikawa Prefectural Public University Corp
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Abstract

To provide a cooking vessel for use in both of IH/direct-fire, the cooking vessel that responds to the IH cooker and also the direct-fire cooker of a gas range, etc., can safely perform cooking without causing a burnt injection in the cooking ingredients, and can be disposable.SOLUTION: A cooking vessel 1 for use in both of IH/direct-fire has a vessel shape with a bottom 10 and a side wall 20. The cooking vessel includes at least a conductive layer 40 of an outer surface side and a paint layer 50 of an inner side. Radiant materials are contained in the paint layer. A thin wall part 11 with a wall thickness being relatively thinner than other places is included in the bottom. When heated by the IH cooker or the direct-fire cooker, the conductive layer particularly the thin wall part becomes a high temperature. However, the heat is mainly converted into an infrared electromagnetic wave by the radiant materials to maintain heat-balance. Accordingly, the cooking ingredients can be cooked at a proper temperature without scorching. Also, even in a state of dry firing, a situation of burning the cooking vessel can be prevented, and thereby the safe cooking can be secured.SELECTED DRAWING: Figure 1

Description

本発明は、IH調理器だけでなくガスコンロ等の直火式調理器にも対応し、食材に焦げが生じずに安全に調理を行うことができ、且つ使い捨てできるIH／直火両用の調理容器に関する。 The present invention is compatible with not only IH cookers but also direct-fired cookers such as gas stoves, and can safely cook food without burning, and is a disposable IH / direct-fired cooking container. Regarding.

電磁調理器やIH調理器と称される加熱調理器が広く普及している。この調理器は内部に設けた電磁誘導加熱コイルにより高周波磁界を発生させ、調理用容器に誘起させた渦電流によるジュール熱を利用して食材を加熱するものである。
近年では鍋焼きうどん用等として市販されているアルミニウム製の簡易調理なべにおいて、ガスコンロ等の直火式調理器だけでなくIH調理器にも対応したものが市販されている。 Induction cookers and cookers called IH cookers are widely used. In this cooker, a high-frequency magnetic field is generated by an electromagnetic induction heating coil provided inside, and foodstuffs are heated by utilizing Joule heat generated by an eddy current induced in a cooking container.
In recent years, among the simple cooking pans made of aluminum that are commercially available for nabeyaki udon, those that are compatible with not only direct-fired cookers such as gas stoves but also IH cookers are commercially available.

本願発明者は、導電体層と誘電体層から成るIH調理器用発熱シート及びこの発熱シートを保持する保持具を開発した（特許文献1）。使用者は保持具をIH調理器の誘導加熱部に置き、容器形状に折り込んだ発熱シートを保持具の内部に挿入し保持させて使用する。
しかし、特許文献1の技術によると発熱シートからの直接伝熱によって食材が部分的に焦げてしまうという問題や、発熱シートの温度が高くなり過ぎてしまい、IH調理器の温度コントロールが困難になるという問題がある。
そこで、本願発明者は上から順に塗料層、導電シート、シリコーンシートを積層すると共に塗料層とシリコーンシートに放射材を含有させたIH調理器用発熱シートを開発した（特許文献2）。
この発熱シートによれば導電シートの熱を放射材が放射するので食材の部分的な焦げを防止でき、また、発熱シートの温度が高くなり過ぎてしまう事態を防止できる。 The inventor of the present application has developed a heat-generating sheet for an IH cooker composed of a conductor layer and a dielectric layer, and a holder for holding the heat-generating sheet (Patent Document 1). The user places the holder in the induction heating part of the IH cooker, inserts the heat-generating sheet folded into the shape of a container into the holder, and holds it.
However, according to the technology of Patent Document 1, there is a problem that the food is partially burnt due to the direct heat transfer from the heat generating sheet, and the temperature of the heat generating sheet becomes too high, which makes it difficult to control the temperature of the IH cooker. There is a problem.
Therefore, the inventor of the present application has developed a heat-generating sheet for an IH cooker in which a paint layer, a conductive sheet, and a silicone sheet are laminated in this order from the top, and the paint layer and the silicone sheet contain a radioactive material (Patent Document 2).
According to this heat-generating sheet, since the radiant material radiates the heat of the conductive sheet, it is possible to prevent the food from being partially burnt and to prevent the temperature of the heat-generating sheet from becoming too high.

特許第5788557号公報Japanese Patent No. 5788557 特開2018−121843号公報JP-A-2018-121843

しかし、上記従来技術でも以下のような問題がある。
ガスコンロ等の直火を使用する場合には特許文献1及び2に記載した保持具を使用できないという問題がある。
また、IH調理器で容器内に水等を入れて調理する場合、容器の変形を防ぐべく容器の肉厚を増して剛性を高める必要があるが、肉厚を増し過ぎると容器とIH調理器の加熱コイルとのインピーダンスマッチングがとれなくなり、加熱不能になるという問題がある。
また、上述した鍋焼きうどん用の簡易調理なべのようにアルミニウム製の容器を使用する場合、食材を入れずに空焚きした場合には容器が簡単に燃えてしまうという安全上の問題がある。 However, the above-mentioned conventional technique also has the following problems.
When using an open flame such as a gas stove, there is a problem that the holder described in Patent Documents 1 and 2 cannot be used.
In addition, when cooking with water etc. in the container with an IH cooker, it is necessary to increase the wall thickness of the container to increase the rigidity in order to prevent deformation of the container, but if the wall thickness is increased too much, the container and the IH cooker There is a problem that the impedance matching with the heating coil of the above cannot be obtained and heating becomes impossible.
Further, when an aluminum container is used like the above-mentioned simple cooking pan for nabeyaki udon, there is a safety problem that the container easily burns when it is cooked empty without adding ingredients.

本発明は、上記のような問題を考慮して、IH調理器だけでなくガスコンロ等の直火式調理器にも対応し、食材に焦げが生じずに安全に調理を行うことができ、且つ使い捨てできるIH／直火両用の調理容器を提供することを課題とする。 In consideration of the above problems, the present invention is compatible with not only IH cookers but also direct-fired cookers such as gas stoves, and can safely cook food without burning. The subject is to provide a disposable IH / open flame cooking container.

本発明のIH／直火両用の調理容器は、底部と側壁部とを備えた容器形状であり、外面側の導電体層と、内面側の塗料層とを少なくとも備えており、前記塗料層に放射材が含有されており、前記底部において、他の箇所よりも肉厚が相対的に薄い薄肉部を備えることを特徴とする。
また、前記塗料層がシリコーン塗料層であることを特徴とする。
また、前記放射材が炭素系黒色顔料であることを特徴とする。 The cooking container for both IH and open flame of the present invention has a container shape including a bottom portion and a side wall portion, and includes at least a conductor layer on the outer surface side and a paint layer on the inner surface side, and the paint layer includes the paint layer. It is characterized by containing a radioactive material and having a thin portion at the bottom thereof, which is relatively thinner than other portions.
Further, the coating layer is a silicone coating layer.
Further, the radioactive material is characterized by being a carbon-based black pigment.

本発明では導電体層の表面に塗料層を備えており、塗料層が放射材を含有している。IH調理器又は直火式調理器で加熱すると導電体層、特に薄肉部が高温になるが、その熱を放射材が主に赤外の電磁波に変換して熱平衡を維持するので食材を焦がすことなく適温で調理できる。また、空焚きの状態でも調理容器が燃えてしまう事態を防止でき、安全に調理できる。
また、導電体層の材質にもよるが最も一般的なアルミニウムを使用した場合には使用後の調理容器を燃えるゴミとして使い捨てすることができる。
塗料層をシリコーン塗料層にすることで塗料層と導電体層との密着性や耐熱性を向上させることができる。
また、放射材として炭素系黒色顔料を用いることにすれば遠赤外線効果により食材をより美味しく調理できる。 In the present invention, a paint layer is provided on the surface of the conductor layer, and the paint layer contains a radioactive material. When heated with an IH cooker or an open flame cooker, the conductor layer, especially the thin-walled part, becomes hot, but the radiant material mainly converts the heat into infrared electromagnetic waves to maintain thermal balance, so burn the food. Can be cooked at an appropriate temperature. In addition, it is possible to prevent the cooking container from burning even in an empty-fired state, and it is possible to cook safely.
Further, although it depends on the material of the conductor layer, when the most common aluminum is used, the cooked container after use can be disposed of as burnable garbage.
By using a silicone paint layer as the paint layer, the adhesion and heat resistance between the paint layer and the conductor layer can be improved.
In addition, if a carbon-based black pigment is used as the radiant material, the food can be cooked more deliciously due to the far-infrared effect.

IH／直火両用の調理容器のA−A線断面図(a)、平面図(b)及び底面図(c)A-A cross-sectional view (a), plan view (b) and bottom view (c) of an IH / open flame cooking container 薄肉部の形状の変形例を示す平面図(a)及び(b)Plan views (a) and (b) showing deformation examples of the shape of the thin-walled portion

本発明のIH／直火両用の調理容器について説明する。なお、以下の説明において「IH／直火両用の調理容器」を単に「調理容器」と表記する場合がある。
図1(a)〜(c)に示すように調理容器1は底部10と側壁部20とを備えた容器形状である。調理容器1の形状としては内部に食材を入れるための凹部30を備えていればよく、平面視した場合に正円形に限らず楕円形や四角形等の多角形でもよい。 The IH / open flame cooking container of the present invention will be described. In the following description, "IH / open flame cooking container" may be simply referred to as "cooking container".
As shown in FIGS. 1 (a) to 1 (c), the cooking container 1 has a container shape including a bottom portion 10 and a side wall portion 20. The shape of the cooking container 1 may be a concave portion 30 for putting foodstuffs inside, and may be a polygon such as an ellipse or a quadrangle as well as a perfect circle when viewed in a plan view.

調理容器1は外面側の導電体層40と、内面側の塗料層50とを少なくとも備える。
導電体層40はアルミ箔等に代表される金属箔から形成される。詳しい説明は後述するが、調理容器1の底部10をIH調理器の誘導加熱部に置いてIH調理器を作動させると、底部10のうち薄肉部11において高周波磁界で誘起された渦電流が発生して薄肉部11が発熱する。 The cooking container 1 includes at least a conductor layer 40 on the outer surface side and a paint layer 50 on the inner surface side.
The conductor layer 40 is formed of a metal foil typified by aluminum foil or the like. Although a detailed explanation will be described later, when the bottom 10 of the cooking container 1 is placed in the induction heating section of the IH cooker to operate the IH cooker, an eddy current induced by a high-frequency magnetic field is generated in the thin portion 11 of the bottom 10. Then, the thin-walled portion 11 generates heat.

塗料層50は導電体層40との密着性や耐熱性の観点からシリコーン塗料により形成されていることが好ましい。シリコーン塗料は例えばシリコーンゴムなどからなる。塗料層50はアクリルアルコキシシランやその他のアルコキシシラン等をモノマー成分として含む液状シリコーンなどからなるシリコーンプライマーを用いて導電体層40に貼着される。シリコーン塗料以外には例えばフッ素樹脂コーティングが挙げられる。
塗料層50には放射材が含有されている。放射材は導電体層40の熱を外部に放射することで食材を加熱すると共に、導電体層40の直接伝熱によって食材が焦げてしまう事態を防止するために用いられる。塗料層50に放射材を含有させることでIH調理器又は直火式調理器を用いて凹部30に食材が入っていない空焚きの状態で加熱した場合でも導電体層40が溶融温度に達する前にその熱を主に赤外の電磁波に変換し、熱平衡を維持できるので調理容器1が燃えてしまう事態を防止できる。 The paint layer 50 is preferably formed of a silicone paint from the viewpoint of adhesion to the conductor layer 40 and heat resistance. The silicone paint is made of, for example, silicone rubber. The paint layer 50 is attached to the conductor layer 40 using a silicone primer made of liquid silicone or the like containing acrylic alkoxysilane or other alkoxysilane as a monomer component. Other than the silicone paint, for example, a fluororesin coating can be mentioned.
The paint layer 50 contains a radioactive material. The radiant material is used to heat the food material by radiating the heat of the conductor layer 40 to the outside and to prevent the food material from being burnt due to the direct heat transfer of the conductor layer 40. Before the conductor layer 40 reaches the melting temperature even when the paint layer 50 contains a radiant material and is heated by using an IH cooker or a direct-fired cooker in an empty-fired state where no food is contained in the recess 30. Since the heat can be converted mainly into infrared electromagnetic waves and the thermal balance can be maintained, the situation where the cooking container 1 burns can be prevented.

放射材としては、特に制限されないが炭素系黒色顔料、酸化物系黒色顔料など、公知の黒色顔料を使用することが好ましい。
例えば炭素系黒色顔料としては、カーボンブラック、ランプブラック、植物黒、骨黒、黒鉛等を挙げることができ、酸化物系黒色顔料としては、マグネタイト、銅−クロム複合酸化物、銅−クロム−亜鉛複合酸化物などを挙げることができる。本発明においては特に食品用途に使用する観点から、炭素系黒色顔料、特にカーボンブラックが好ましい。炭素系黒色顔料を使用することで遠赤外線効果により食材をより美味しく調理できる。
塗料層50の厚みは一般的には1〜25μm程度が好ましい。厚みが薄すぎると放射による食材加熱が不十分となり、焦げを生じ易くなる。また、過度に厚いと塗料層50が導電体層40から剥離しやすくなるおそれがある。 The radioactive material is not particularly limited, but it is preferable to use a known black pigment such as a carbon-based black pigment or an oxide-based black pigment.
For example, examples of carbon-based black pigments include carbon black, lamp black, plant black, bone black, and graphite, and examples of oxide-based black pigments include magnetite, copper-chromium composite oxide, and copper-chromium-zinc. Composite oxides and the like can be mentioned. In the present invention, a carbon-based black pigment, particularly carbon black, is preferable from the viewpoint of being used especially for food applications. By using carbon-based black pigment, ingredients can be cooked more deliciously due to the far-infrared effect.
The thickness of the coating layer 50 is generally preferably about 1 to 25 μm. If the thickness is too thin, the food will not be heated sufficiently by radiation, and it will easily burn. Further, if it is excessively thick, the paint layer 50 may easily peel off from the conductor layer 40.

底部10には薄肉部11が形成されている。薄肉部11とは底部10のうち他の部位12よりも肉厚が相対的に薄い部位を指す。薄肉部11の肉厚は高周波抵抗分を上げて渦電流密度を増加させ、IH調理器の加熱コイルとのインピーダンスマッチングがとれる範囲内に収める必要がある。薄肉部11の肉厚を加熱コイルとのインピーダンスマッチングがとれる範囲内に収めることで、IH調理器を作動させた際に高周波磁界で誘起された渦電流が薄肉部11に発生して発熱する。
底部10のうち薄肉部11以外の部位12の肉厚を薄肉部11の肉厚よりも厚くすることで底部10の剛性を高めることができ、凹部30に食材を入れた際の調理容器1の変形を抑制できる。底部10のうち薄肉部11以外の部位12はIH調理器によっては発熱しにくいが、直火式調理器による加熱では発熱する。 A thin portion 11 is formed on the bottom portion 10. The thin portion 11 refers to a portion of the bottom 10 whose wall thickness is relatively thinner than the other portions 12. It is necessary to increase the high frequency resistance of the thin portion 11 to increase the eddy current density and keep it within the range where impedance matching with the heating coil of the IH cooker can be obtained. By keeping the wall thickness of the thin-walled portion 11 within a range where impedance matching with the heating coil can be obtained, an eddy current induced by a high-frequency magnetic field is generated in the thin-walled portion 11 when the IH cooker is operated, and heat is generated.
The rigidity of the bottom 10 can be increased by making the thickness of the portion 12 of the bottom 10 other than the thin portion 11 thicker than the thickness of the thin portion 11, and the cooking container 1 when the food is put in the recess 30 Deformation can be suppressed. The portion 12 of the bottom 10 other than the thin portion 11 does not easily generate heat depending on the IH cooker, but generates heat when heated by the direct-fired cooker.

薄肉部11の肉厚と薄肉部11以外の部位12の肉厚の好ましい範囲は、導電体層40の材質、底部10の面積等によって変動するため一概には言えないが、仮に導電体層40をアルミニウムとして、底部10の直径を15cm程度とした場合には薄肉部11の肉厚を5μm〜60μm程度、薄肉部11以外の部位12の肉厚を50μm〜150μm程度にするのが好ましい。
薄肉部11は食材を充分に加熱できる形状や面積であれば特に制限されず、例えば図2(a),(b)に示す形状が挙げられる。薄肉部11の形成方法は特に限定されないが、例えばレーザを利用した除去加工を用いることができる。 The preferable range of the wall thickness of the thin portion 11 and the wall thickness of the portion 12 other than the thin portion 11 varies depending on the material of the conductor layer 40, the area of the bottom 10, and the like, but cannot be unequivocally determined. When the diameter of the bottom portion 10 is about 15 cm, the wall thickness of the thin portion 11 is preferably about 5 μm to 60 μm, and the wall thickness of the portion 12 other than the thin portion 11 is preferably about 50 μm to 150 μm.
The thin-walled portion 11 is not particularly limited as long as it has a shape and area that can sufficiently heat the food material, and examples thereof include the shapes shown in FIGS. 2 (a) and 2 (b). The method for forming the thin portion 11 is not particularly limited, but for example, a removal process using a laser can be used.

側壁部20は凹凸を備えない平面で構成してもよく、或いは例えばひだ折り等の屈曲箇所を多数設けることで調理容器1の剛性を高めてもよい。また、剛性を高めるために側壁部20の上端から外側にのびるフランジ部21を設けてもよい。側壁部20の上下方向の高さを大きくすることで調理容器1を深鍋として利用でき、高さを小さくすることで浅鍋やフライパンとして利用できる。 The side wall portion 20 may be formed of a flat surface having no unevenness, or the rigidity of the cooking container 1 may be increased by providing a large number of bent portions such as folds. Further, in order to increase the rigidity, a flange portion 21 extending outward from the upper end of the side wall portion 20 may be provided. By increasing the height of the side wall portion 20 in the vertical direction, the cooking container 1 can be used as a deep pot, and by decreasing the height, it can be used as a shallow pot or a frying pan.

本発明は、IH調理器だけでなくガスコンロ等の直火式調理器にも対応し、食材に焦げが生じずに安全に調理を行うことができ、且つ使い捨てできるIH／直火両用の調理容器であり、産業上の利用可能性を有する。 The present invention is compatible with not only IH cookers but also direct-fired cookers such as gas stoves, and can safely cook food without burning, and is a disposable IH / direct-fired cooking container. And has industrial potential.

1 調理容器
10 底部
11 薄肉部
12 他の部位
20 側壁部
21 フランジ部
30 凹部
40 導電体層
50 塗料層




1 Cooking container
10 bottom
11 Thin wall
12 Other parts
20 Side wall
21 Flange part
30 recess
40 Conductor layer
50 paint layer

Claims (3)

底部と側壁部とを備えた容器形状であり、
外面側の導電体層と、内面側の塗料層とを少なくとも備えており、
前記塗料層に放射材が含有されており、
前記底部において、他の箇所よりも肉厚が相対的に薄い薄肉部を備えることを特徴とするIH／直火両用の調理容器。
It has a container shape with a bottom and side walls.
It has at least a conductor layer on the outer surface side and a paint layer on the inner surface side.
The paint layer contains a radioactive material and
An IH / open flame cooking container characterized in that a thin portion having a wall thickness relatively thinner than that of other portions is provided at the bottom portion.
 前記塗料層がシリコーン塗料層であることを特徴とする請求項1に記載のIH／直火両用の調理容器。
The IH / open flame cooking container according to claim 1, wherein the paint layer is a silicone paint layer.
 前記放射材が炭素系黒色顔料であることを特徴とする請求項1又は2に記載のIH／直火両用の調理容器。
The IH / open flame cooking container according to claim 1 or 2, wherein the radiant material is a carbon-based black pigment.
JP2019152647A 2019-08-23 2019-08-23 Cooking vessel for use in both of ih/direct-fire Pending JP2021029574A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004000379A (en) * 2002-04-16 2004-01-08 Mitsubishi Alum Co Ltd Aluminum container for heating
JP2018121843A (en) * 2017-01-31 2018-08-09 東洋製罐グループホールディングス株式会社 Heating sheet for ih cooker

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004000379A (en) * 2002-04-16 2004-01-08 Mitsubishi Alum Co Ltd Aluminum container for heating
JP2018121843A (en) * 2017-01-31 2018-08-09 東洋製罐グループホールディングス株式会社 Heating sheet for ih cooker

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