JPH0765940A - Cooking utensil heated by electromagnetic induction heating cooking apparatus - Google Patents
Cooking utensil heated by electromagnetic induction heating cooking apparatusInfo
- Publication number
- JPH0765940A JPH0765940A JP20756693A JP20756693A JPH0765940A JP H0765940 A JPH0765940 A JP H0765940A JP 20756693 A JP20756693 A JP 20756693A JP 20756693 A JP20756693 A JP 20756693A JP H0765940 A JPH0765940 A JP H0765940A
- Authority
- JP
- Japan
- Prior art keywords
- bottom plate
- electromagnetic induction
- induction heating
- cooker
- magnetic metal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、底面に発熱手段を有す
る電磁誘導加熱調理器用被加熱調理具に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cooker to be cooked for an electromagnetic induction heating cooker having a heating means on its bottom surface.
【０００２】[0002]
【従来の技術】一般に、電磁誘導加熱調理器ではアルミ
鍋などの非磁性金属鍋を加熱することができないが、鍋
底面に各種の加工を施すことにより電磁誘導加熱調理器
用に使用できるようになっている。2. Description of the Related Art Generally, an electromagnetic induction heating cooker cannot heat a non-magnetic metal pot such as an aluminum pot, but by applying various processing to the bottom of the pot, it can be used for an electromagnetic induction heating cooker. ing.
【０００３】従来の、この種の電磁誘導加熱調理器用被
加熱器具については、例えば実公平４−３１７５８号公
報に示すような構造のものがある。すなわち、図６に示
すようにアルミニュームまたはアルミニューム合金製の
鍋本体１の底板２にブラスト処理を施した後、磁性材料
のコーティング層３を形成したものが一般的であった。As a conventional heated device for an electromagnetic induction heating cooker of this type, there is one having a structure as shown in, for example, Japanese Utility Model Publication No. 4-31758. That is, as shown in FIG. 6, a bottom plate 2 of a pan body 1 made of aluminum or an aluminum alloy is generally subjected to a blast treatment and then a coating layer 3 of a magnetic material is formed.
【０００４】[0004]
【発明が解決しようとする課題】このような従来の電磁
誘導加熱調理器用被加熱調理具では、鍋体１の底板２が
外面凸方向に熱変形して鍋体１を加熱調理器に安定的に
載置できないという課題を有していた。In such a conventional cooker for an electromagnetic induction heating cooker, the bottom plate 2 of the pot body 1 is thermally deformed in the outward convex direction, so that the pot body 1 is stably used as a heating cooker. There was a problem that it could not be placed on.
【０００５】また、アルミニューム等の鍋本体１と鉄等
の磁性材料のコーティング層３との熱膨張係数が異なる
ため、加熱時の膨張収縮により磁性材料のコーティング
層３に亀裂がはいりやすく、またこの種の溶射層外周端
部は密着が不安定で、衝撃に対して脆いという課題を有
していた。Further, since the pot body 1 made of aluminum or the like and the coating layer 3 made of magnetic material such as iron have different coefficients of thermal expansion, the coating layer 3 made of magnetic material is easily cracked due to expansion and contraction during heating. The outer peripheral edge of this type of sprayed layer has a problem that the adhesion is unstable and it is brittle against impact.
【０００６】本発明は上記課題を解決するもので、鍋底
が熱変形しても安定に載置することができる電磁誘導加
熱調理器用被加熱調理具を提供することを第１の目的と
するものである。[0006] The present invention is to solve the above problems, and a first object thereof is to provide a heated cooker for an electromagnetic induction heating cooker which can be stably placed even if the bottom of the pot is thermally deformed. Is.
【０００７】また、加熱時の膨張収縮に対しても堅牢な
電磁誘導加熱調理器用被加熱調理具を提供することを第
２の目的とするものである。A second object is to provide a heated cooker for an electromagnetic induction cooker which is robust against expansion and contraction during heating.
【０００８】[0008]
【課題を解決するための手段】上記第１の目的を達成す
るために本発明の第１の課題解決手段は、底板の周縁よ
り筒状の側壁が起立する非磁性金属材料よりなる鍋体
と、前記底板の裏面に配設される平面状の磁性金属層と
を有し、この底板内面を凸球面状に形成したものであ
る。In order to achieve the above first object, a first object solving means of the present invention is a pot body made of a non-magnetic metal material in which a cylindrical side wall stands up from the peripheral edge of the bottom plate. And a planar magnetic metal layer disposed on the back surface of the bottom plate, and the inner surface of the bottom plate is formed in a convex spherical shape.
【０００９】上記第２の目的を達成するために本発明の
第２の課題解決手段は、底板の周縁より筒状の側壁が起
立する非磁性金属材料よりなる鍋体と、前記底板の裏面
に配設される平面状の磁性金属層とを有し、この磁性金
属層の外周部に環状溝部を、この環状溝部の外周に環状
凸部を一体に形成したものである。In order to achieve the above second object, the second means for solving the problems of the present invention is to provide a pan body made of a non-magnetic metal material having a cylindrical side wall standing upright from the peripheral edge of the bottom plate, and a back surface of the bottom plate. The magnetic metal layer has a planar magnetic metal layer to be disposed, and an annular groove portion is integrally formed on the outer peripheral portion of the magnetic metal layer, and an annular convex portion is integrally formed on the outer periphery of the annular groove portion.
【００１０】[0010]
【作用】第１の課題解決手段では、底板内面を凸球面状
に形成することにより、加熱時さらに内面凸方向に膨張
させることができ、調理器上で安定に載置することがで
きる。According to the first means for solving the problems, by forming the inner surface of the bottom plate into a convex spherical shape, the inner surface of the bottom plate can be further expanded in the convex direction of the inner surface during heating, so that it can be stably placed on the cooker.
【００１１】第２の課題解決手段では、鍋底裏面に設け
た環状溝部により加熱時の膨張収縮が吸収されるととも
に、さらにこの外周に環状凸部を形成したため比較的脆
い溶射層外周端部に外部より衝撃が加わりにくく、従っ
て溶射金属層の損傷が防止できる。In the second means for solving the problem, the expansion and contraction at the time of heating is absorbed by the annular groove portion provided on the back surface of the bottom of the pot, and the annular convex portion is formed on the outer periphery of the annular groove portion. Impact is less likely to be applied, and therefore damage to the sprayed metal layer can be prevented.
【００１２】[0012]
【実施例】以下、本発明の第１の実施例を図１および図
２を参照しながら説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS.
【００１３】図において、１１は電磁誘導加熱調理器用
被加熱調理具、すなわち鍋体であり、底板１２の周縁よ
り円筒状の側壁１３が起立し、またアルミニューム合金
よりなる。１４は平板状の磁性金属層であり、前記底板
１２裏面をショットブラスト加工した面に鉄等の磁性材
料を０．５ｍｍ程度の厚さに溶射してある。さらにフッ
素樹脂層（図示せず）を形成して防錆処理を施す。１５
は把手、１６は電磁誘導加熱調理器本体を示し、内部に
誘導加熱コイル（図示せず）を内蔵している。In the figure, 11 is a cooker to be heated for an electromagnetic induction cooker, that is, a pot body, a cylindrical side wall 13 stands up from the peripheral edge of a bottom plate 12, and is made of an aluminum alloy. Reference numeral 14 denotes a flat magnetic metal layer, and a magnetic material such as iron is thermally sprayed to a thickness of about 0.5 mm on the back surface of the bottom plate 12 shot-blasted. Further, a fluororesin layer (not shown) is formed and rustproofing is performed. 15
Is a handle, 16 is an electromagnetic induction heating cooker body, and an induction heating coil (not shown) is incorporated therein.
【００１４】また、電磁誘導加熱調理器用被加熱調理具
はダイカスト成型で加工されるもので、底板１２内面は
中央部が凸なる球面状にしてあり、外周に行くほど薄く
なるように成型される。The cooker to be heated for the electromagnetic induction heating cooker is processed by die casting, and the inner surface of the bottom plate 12 has a spherical shape with a convex central portion, and is formed so that it becomes thinner toward the outer periphery. .
【００１５】以上の構成によれば、非磁性金属からなる
鍋体１１の底板１２中央部が球面状に凸なるようにし、
この裏面に磁性金属層１４を一体に成型することによ
り、ダイカスト成型後の底板１２の裏面、すなわち溶射
面は良好な平面度を得られるばかりでなく、加熱時底板
は上凸方向に熱変形するため、電磁誘導加熱調理器本体
１６に載置したとき回転する恐れがなく安定であり、ま
た変形量も極めて少ないため鍋物、焼き物に関わらず良
好な実用性能が得られる。According to the above construction, the central portion of the bottom plate 12 of the pot body 11 made of non-magnetic metal is made spherically convex,
By integrally molding the magnetic metal layer 14 on the back surface, not only the back surface of the bottom plate 12 after die casting, that is, the sprayed surface can obtain good flatness, but also the bottom plate is thermally deformed in the upward convex direction during heating. Therefore, when placed on the main body 16 of the electromagnetic induction heating cooker, there is no risk of rotation and it is stable, and since the amount of deformation is extremely small, good practical performance can be obtained regardless of whether it is a pot or a grill.
【００１６】次に、本発明の第２の実施例を図３および
図４を参照しながら説明する。図において、２１は電磁
誘導加熱調理器用被加熱調理具、すなわち鍋体であり、
底板２２の周縁より円筒状の側壁２３が起立し、またア
ルミニューム合金よりなる。２４は円形状の磁性金属層
であり、前記底板２２裏面をショットブラスト加工した
面に鉄等の磁性材料を０．５ｍｍ程度の厚さに溶射して
ある。この磁性金属層の外周には環状溝部２５を設けて
おり、さらにこの環状溝部２５の外周に前記溶射面より
も下方に凸なる環状凸部２６を形成してある。前記環状
溝部２５は溶射加工時にマスキング部材が装着されるも
のである。２７は電磁誘導加熱調理器本体で、内部に誘
導加熱コイル（図示せず）を内蔵している。電磁誘導加
熱調理器本体２７の上面の載置部に前記環状凸部２６が
挿着される。２８は把手を示す。Next, a second embodiment of the present invention will be described with reference to FIGS. In the figure, 21 is a cooker to be heated for an electromagnetic induction cooker, that is, a pot body,
A cylindrical side wall 23 stands up from the peripheral edge of the bottom plate 22 and is made of an aluminum alloy. Reference numeral 24 denotes a circular magnetic metal layer, and a magnetic material such as iron is thermally sprayed to a thickness of about 0.5 mm on the surface of the back surface of the bottom plate 22 that has been shot blasted. An annular groove 25 is provided on the outer periphery of the magnetic metal layer, and an annular convex portion 26 protruding downward from the sprayed surface is formed on the outer periphery of the annular groove 25. A masking member is attached to the annular groove 25 during the thermal spraying process. Reference numeral 27 denotes an electromagnetic induction heating cooker body, which has an induction heating coil (not shown) built therein. The annular convex portion 26 is inserted into the mounting portion on the upper surface of the electromagnetic induction heating cooker body 27. 28 indicates a handle.
【００１７】また、電磁誘導加熱調理器用被加熱調理具
はダイカスト成型で加工されるもので、底板２２は中央
部が最も厚く形成してある。なお、図５に示すように、
底板２２中央部の厚さが最も厚く、裏面に形成した環状
溝部２５の厚さを最も薄くするとともに、この板厚比を
約２：１としてもよい。The cooker to be heated for the electromagnetic induction heating cooker is processed by die casting, and the bottom plate 22 is formed to have the thickest central portion. In addition, as shown in FIG.
The thickness of the central portion of the bottom plate 22 may be thickest, the thickness of the annular groove 25 formed on the back surface may be thinnest, and the plate thickness ratio may be about 2: 1.
【００１８】以上の構成によれば、鍋体２１の底板裏面
の溶射面、すなわち磁性金属層２４の外周に環状溝部２
５を設けているので、この環状溝部２５で加熱時の膨張
収縮が吸収でき、磁性金属層２４の密着が確保できる。
また、環状凸部２６を形成しているので比較的脆弱にな
る磁性金属層外周端部に衝撃や外力が加わらず耐久性が
向上する。According to the above structure, the annular groove 2 is formed on the sprayed surface of the bottom surface of the bottom of the pan 21, that is, on the outer periphery of the magnetic metal layer 24.
5 is provided, the expansion and contraction at the time of heating can be absorbed by the annular groove portion 25, and the close contact of the magnetic metal layer 24 can be secured.
In addition, since the annular convex portion 26 is formed, impact and external force are not applied to the outer peripheral edge of the magnetic metal layer, which is relatively fragile, and durability is improved.
【００１９】[0019]
【発明の効果】以上の実施例から明らかなように、請求
項１記載の発明は、非磁性金属からなる鍋体の底板中央
部が球面状に凸なるようにし、この底板裏面に磁性金属
層を一体に成型することにより、ダイカスト成型後の底
板裏面、すなわち溶射面は良好な平面度を得られるばか
りでなく、加熱時底面は上凸方向に熱変形するため調理
器本体に載置したとき回転する恐れがなく安定であり、
また変形量も極めて少ないため鍋物、焼き物に関わらず
良好な実用性能が得られる。As is apparent from the above embodiments, in the invention according to claim 1, the center portion of the bottom plate of the pot body made of non-magnetic metal is made to have a spherical convex shape, and the magnetic metal layer is formed on the back surface of the bottom plate. By integrally molding, the back surface of the bottom plate after die casting, that is, the sprayed surface not only has good flatness, but the bottom surface heat-deforms in the upward convex direction when heated, so when placed on the cooker body. There is no fear of rotation, it is stable,
Also, since the amount of deformation is extremely small, good practical performance can be obtained regardless of whether it is a pot or a grill.
【００２０】また、請求項２記載の発明は、鍋体の底板
裏面の溶射面、すなわち磁性金属層外周に環状溝部を設
けているので、この環状溝部で加熱時の膨張収縮が吸収
でき、磁性金属層の密着が確保できる。また、環状凸部
を形成しているので比較的脆弱になる磁性金属層外周端
部に衝撃や外力が加わらず耐久性が向上する。Further, according to the second aspect of the present invention, since the annular groove is provided on the sprayed surface of the bottom surface of the bottom of the pot body, that is, on the outer circumference of the magnetic metal layer, the annular groove can absorb expansion and contraction at the time of heating, and thus the magnetic property. Adhesion of the metal layer can be secured. Further, since the annular convex portion is formed, the impact is not applied to the outer peripheral edge of the magnetic metal layer, which is relatively fragile, and the durability is improved.
【図１】本発明の第１の実施例の電磁誘導加熱調理器用
被加熱調理具の要部断面図FIG. 1 is a cross-sectional view of essential parts of a cooker to be heated for an electromagnetic induction heating cooker according to a first embodiment of the present invention.
【図２】同電磁誘導加熱調理器用被加熱調理具の断面図FIG. 2 is a sectional view of the cooker to be heated for the electromagnetic induction heating cooker.
【図３】本発明の第２の実施例の電磁誘導加熱調理器用
被加熱調理具の要部断面図FIG. 3 is a cross-sectional view of a main part of a cooker to be heated for an electromagnetic induction heating cooker according to a second embodiment of the present invention.
【図４】同電磁誘導加熱調理器用被加熱調理具の断面図FIG. 4 is a cross-sectional view of the cooker to be heated for the electromagnetic induction heating cooker.
【図５】本発明の他の実施例の電磁誘導加熱調理器用被
加熱調理具の要部断面図FIG. 5 is a sectional view of a main part of a cooker to be heated for an electromagnetic induction heating cooker according to another embodiment of the present invention.
【図６】従来の電磁誘導加熱調理器用被加熱調理具の断
面図FIG. 6 is a cross-sectional view of a conventional cooker for an electromagnetic induction heating cooker.
１１、２１ 鍋体 １２、２２ 底板 １３、２３ 側壁 １４、２４ 磁性金属層 ２５ 環状溝部 ２６ 環状凸部 11, 21 Pan body 12, 22 Bottom plate 13, 23 Side wall 14, 24 Magnetic metal layer 25 Annular groove portion 26 Annular convex portion
───────────────────────────────────────────────────── フロントページの続き (72)発明者 細井 弘一 大阪府門真市大字門真1006番地 松下電器 産業株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Koichi Hosoi 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd.
Claims (4)
性金属材料よりなる鍋体と、前記底板の裏面に配設され
る平面状の磁性金属層とを有し、この底板内面を凸球面
状に形成した電磁誘導加熱調理器用被加熱調理具。1. A pot body made of a non-magnetic metal material having a cylindrical side wall standing upright from the peripheral edge of the bottom plate, and a planar magnetic metal layer provided on the back surface of the bottom plate. A cooker to be heated for an electromagnetic induction heating cooker formed in a convex spherical shape.
性金属材料よりなる鍋体と、前記底板の裏面に配設され
る平面状の磁性金属層とを有し、この磁性金属層の外周
部に環状溝部を、この環状溝部の外周に環状凸部を一体
に形成した電磁誘導加熱調理器用被加熱調理具。2. A pot body made of a non-magnetic metal material having a cylindrical side wall standing upright from the peripheral edge of the bottom plate, and a planar magnetic metal layer disposed on the back surface of the bottom plate. A cooker for an electromagnetic induction heating cooker in which an annular groove is formed on the outer peripheral portion of the and an annular convex portion is integrally formed on the outer periphery of the annular groove.
薄くなるように鍋底内面を凸球面状に形成した請求項１
または２記載の電磁誘導加熱調理器用被加熱調理具。3. The inner surface of the pot bottom is formed into a convex spherical shape so that the central portion of the bottom plate is thickest and the outer peripheral side of the bottom plate is thinned.
Alternatively, the cooker to be heated for the electromagnetic induction heating cooker according to the item 2.
環状溝部の厚さが最も薄くなるように構成するととも
に、底板の中央部の厚さが環状溝部の厚さの略２倍に形
成した請求項２記載の電磁誘導加熱調理器用被加熱調理
具。4. The bottom plate is configured such that the center part thereof is thickest and the annular groove portion on the outer peripheral side of the bottom plate is thinnest, and the thickness of the center part of the bottom plate is approximately twice the thickness of the annular groove part. The cooked cooker for an electromagnetic induction cooker according to claim 2, which is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20756693A JPH0765940A (en) | 1993-08-23 | 1993-08-23 | Cooking utensil heated by electromagnetic induction heating cooking apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20756693A JPH0765940A (en) | 1993-08-23 | 1993-08-23 | Cooking utensil heated by electromagnetic induction heating cooking apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0765940A true JPH0765940A (en) | 1995-03-10 |
Family
ID=16541875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20756693A Pending JPH0765940A (en) | 1993-08-23 | 1993-08-23 | Cooking utensil heated by electromagnetic induction heating cooking apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0765940A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0975210A (en) * | 1995-09-13 | 1997-03-25 | Matsushita Electric Ind Co Ltd | Cooking pot and heating cooker using the same |
-
1993
- 1993-08-23 JP JP20756693A patent/JPH0765940A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0975210A (en) * | 1995-09-13 | 1997-03-25 | Matsushita Electric Ind Co Ltd | Cooking pot and heating cooker using the same |
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