JP3475955B2 - Electromagnetic induction cooker - Google Patents
Electromagnetic induction cookerInfo
- Publication number
- JP3475955B2 JP3475955B2 JP2002244712A JP2002244712A JP3475955B2 JP 3475955 B2 JP3475955 B2 JP 3475955B2 JP 2002244712 A JP2002244712 A JP 2002244712A JP 2002244712 A JP2002244712 A JP 2002244712A JP 3475955 B2 JP3475955 B2 JP 3475955B2
- Authority
- JP
- Japan
- Prior art keywords
- induction heating
- electromagnetic induction
- pan
- 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.)
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Description
【０００１】[0001]
【発明の属する技術分野】本発明は、電磁誘導加熱を用
いた炊飯器、加熱調理器などの電磁誘導加熱調理器用鍋
に関するものである。TECHNICAL FIELD The present invention relates to a pan for an electromagnetic induction heating cooker such as a rice cooker and a heating cooker using electromagnetic induction heating.
【０００２】[0002]
【従来の技術】従来、この種の電磁誘導加熱調理器用鍋
は、図５に示すように非磁性金属のアルミニウム板２を
母材とし、その外側に磁性金属であるフェライト系ステ
ンレス鋼板２を合わせ材としたクラッド板を鍋形状にプ
レス加工し、その後、電磁誘導加熱調理器用鍋１の内側
表面にフッ素樹脂コーティングなどの表面処理を施した
構成としていた。2. Description of the Related Art Conventionally, as shown in FIG. 5, a pan for an electromagnetic induction heating cooker uses a non-magnetic metal aluminum plate 2 as a base material, and a ferritic stainless steel plate 2 which is a magnetic metal on the outside thereof. The clad plate used as the material was pressed into a pot shape, and then the inner surface of the pot 1 for an electromagnetic induction heating cooker was subjected to surface treatment such as fluororesin coating.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、上記従
来の構成では、クラッド材により成形された電磁誘導加
熱調理器用鍋１の肉厚は全体がほぼ均一であり、炊飯器
等の電磁誘導加熱調理器用鍋１に投入した調理物に良好
な対流を起こさせるには、鍋自体に手を加えるよりも、
誘導加熱コイルの取付位置や誘導加熱コイルの巻き数を
変化させるというような、電磁誘導加熱調理器本体側に
施される制御が主なものであった。例えば、電磁誘導加
熱を利用した炊飯器の場合では、誘導加熱コイルを、内
コイルと外コイルの２段構成にして良好な対流を得る、
といった
電磁誘導加熱調理器本体側の制御がその一例である。ま
た、誘導加熱コイルに対向する部位の肉厚を変化させる
ことで対流が変化することは一般に知られているが、ク
ラッド材のような均一な板厚材料の場合はこうした制御
が難しかった。However, in the above-mentioned conventional configuration, the thickness of the pan 1 for the electromagnetic induction heating cooker formed of the clad material is substantially uniform, and it is used for the electromagnetic induction heating cooker such as a rice cooker. In order to cause good convection in the cooked food in the pan 1, rather than touching the pan itself,
The control mainly performed on the electromagnetic induction heating cooker body side, such as changing the mounting position of the induction heating coil and the number of turns of the induction heating coil, has been the main one. For example, in the case of a rice cooker that uses electromagnetic induction heating, the induction heating coil has a two-stage configuration of an inner coil and an outer coil to obtain good convection.
An example is control of the main body of the electromagnetic induction heating cooker. Further, it is generally known that the convection changes by changing the thickness of the portion facing the induction heating coil, but such control is difficult in the case of a uniform plate thickness material such as a clad material.
【０００４】さらに、調理をする毎に電磁誘導加熱調理
器用鍋１にはかなりの熱が加わるが、クラッド材により
成形された電磁誘導加熱調理器用鍋１の場合、母材であ
るアルミニウム２と合わせ材である磁性金属３の熱膨張
係数の違いから、長年月を経るにつれ徐々に変形が生じ
てくる結果、誘導加熱コイルとの位置関係がずれ、発熱
量に変化が生じ、当初の調理性能が発揮できなくなると
いう問題も生じていた。Further, a considerable amount of heat is applied to the electromagnetic induction heating cooker pot 1 every time cooking is performed, but in the case of the electromagnetic induction heating cooker pot 1 formed by the clad material, it is combined with the aluminum 2 which is the base material. Due to the difference in the coefficient of thermal expansion of the magnetic metal 3, which is the material, the material gradually deforms over the years, resulting in a displacement in the positional relationship with the induction heating coil and a change in the calorific value, which reduces the initial cooking performance. There was also the problem of not being able to demonstrate it.
【０００５】本発明は上記事情に鑑みてなされたもの
で、電磁誘導加熱によって電磁誘導加熱調理器用鍋を発
熱させる構成において、電磁誘導加熱調理器用鍋内の調
理物に良好な対流を起こさせ、均一な加熱を実現させる
とともに、鍋寸法の経年変化を微小に抑え、当初の調理
性能を長期間維持することを目的とする。The present invention has been made in view of the above circumstances, and in a structure in which a pan for an electromagnetic induction heating cooker is caused to generate heat by electromagnetic induction heating, good convection is caused in the food in the pan for the electromagnetic induction heating cooker, The purpose is to achieve uniform heating and to suppress the aging of the pan size to a small extent to maintain the original cooking performance for a long time.
【０００６】[0006]
【課題を解決するための手段】本発明は上記目的を達成
するために、アルミニウムとその外面に設けられた磁性
金属とを有する鍋を備え、前記磁性金属の外面の、少な
くとも電磁誘導加熱炊飯器本体の誘導加熱コイルに対向
する部位であるとともに前記鍋底中心を円心とした同心
円上に、放射状に複数の凹凸を設け、前記凹凸は、その
凹部一区画の面積を略４ｃｍ２以下としてなる電磁誘導
加熱炊飯器としたものである。In order to achieve the above-mentioned object, the present invention comprises a pot having aluminum and a magnetic metal provided on the outer surface thereof, wherein the outer surface of the magnetic metal is reduced.
Facing the induction heating coil of the electromagnetic induction heating rice cooker body
Concentric with the center of the pot bottom as a center
On a circle, radially provided with a plurality of irregularities, the irregularities, the
This is an electromagnetic induction heating rice cooker in which the area of one section of the recess is approximately 4 cm 2 or less .
【０００７】これにより、電磁誘導加熱によって電磁誘
導加熱調理器用鍋を発熱させる構成において、電磁誘導
加熱調理器用鍋内の調理物に良好な対流を起こすことが
できて、均一な加熱を実現できるとともに、鍋寸法の経
年変化を微小に抑え、当初の調理性能を長期間維持する
ことができる。As a result, in the structure in which the pan for the electromagnetic induction heating cooker is heated by the electromagnetic induction heating, good convection can be caused to the food in the pan for the electromagnetic induction heating cooker, and uniform heating can be realized. , It is possible to keep the initial cooking performance for a long period of time by suppressing the secular change in pot size.
【０００８】[0008]
【発明の実施の形態】本発明の請求項１に記載の発明
は、アルミニウムとその外面に設けられた磁性金属とを
有する鍋を備え、前記磁性金属の外面の、少なくとも電
磁誘導加熱炊飯器本体の誘導加熱コイルに対向する部位
であるとともに前記鍋底中心を円心とした同心円上に、
放射状に複数の凹凸を設け、前記凹凸は、その凹部一区
画の面積を略４ｃｍ２以下としてなる電磁誘導加熱炊飯
器としたものであり、電磁誘導加熱調理器本体の誘導加
熱コイルに対向する部位の磁性金属に複数の凹凸を設け
ているため、発熱面積が増加するとともに、磁力線の性
質上、磁力線は凹凸加工の凸部に集中するので、凸部の
発熱が強まり、凹凸で温度差が生じ、電磁誘導加熱調理
器用鍋の内側に細かい対流が多数発生して調理物の対流
がより活発になる結果、均一な加熱を実現することがで
きる。BEST MODE FOR CARRYING OUT THE INVENTION The invention according to claim 1 of the present invention comprises a pot having aluminum and a magnetic metal provided on the outer surface thereof, and at least the electromagnetic induction heating rice cooker main body on the outer surface of the magnetic metal. On a concentric circle with the center of the pan bottom as the center, as well as the part facing the induction heating coil of
A plurality of unevenness is provided in a radial pattern, and the unevenness is an electromagnetic induction heating rice cooker in which the area of each recessed portion is approximately 4 cm 2 or less, and is a portion facing the induction heating coil of the main body of the electromagnetic induction heating cooker. Since the magnetic metal has multiple concavities and convexities, the area of heat generation increases, and due to the nature of the lines of magnetic force, the lines of magnetic force concentrate on the convex parts of the concave and convex processing, so the heat generation at the convex parts increases and a temperature difference occurs in the convex and concave parts. As a result, a large number of fine convections are generated inside the pan for the electromagnetic induction heating cooker, and the convection of the cooked food becomes more active. As a result, uniform heating can be realized.
【０００９】請求項２に記載の発明は、上記請求項１に
記載の発明において、磁性金属は、その板厚を略０．４
５ｍｍ〜１．０ｍｍとし、アルミニウムと前記磁性金属
の板厚比率を略２．０〜３．５のクラッド材としてなる
ものであり、磁性金属であるステンレスと熱良導体であ
るアルミニウムを張り合わせて成るクラッド材を使用す
る場合に、ステンレスの板厚を所定の厚みとし、両金属
の板厚比率を所定の範囲に設定することにより、十分な
発熱を得るとともに、熱伝導を良くし、重量の不適切な
増加を防止することができる。According to a second aspect of the invention, in the invention according to the first aspect, the magnetic metal has a plate thickness of approximately 0.4.
The clad material has a thickness of 5 mm to 1.0 mm and a plate thickness ratio of aluminum to the magnetic metal of about 2.0 to 3.5, and is a clad formed by laminating stainless steel, which is a magnetic metal, and aluminum, which is a good conductor of heat. When using a material, by setting the plate thickness of stainless steel to a predetermined thickness and setting the plate thickness ratio of both metals to a predetermined range, sufficient heat can be obtained, heat conduction can be improved, and weight is improper. Can be prevented from increasing.
【００１０】請求項３に記載の発明は、上記請求項１ま
たは２に記載の発明において、磁性金属は、電磁誘導加
熱調理器本体の温度センサに対向する部位を平坦として
なるものであり、温度センサと電磁誘導加熱調理用鍋の
接触がよくなり、温度を正確に検知することができる。According to a third aspect of the present invention, in the invention according to the first or second aspect, the magnetic metal is such that a portion of the main body of the electromagnetic induction heating cooker facing the temperature sensor is flat, The contact between the sensor and the pot for electromagnetic induction heating cooking improves, and the temperature can be detected accurately.
【００１１】以下、その発明の実施例について、添付図
面を参照しつつ説明する。Embodiments of the invention will be described below with reference to the accompanying drawings.
【００１２】[0012]
【実施例】電磁誘導加熱タイプの炊飯器に用いられる、
本発明を利用した電磁誘導加熱調理器用鍋について図
１、図２及び図３を用いて説明する。まず、図１（ａ）
において、電磁誘導加熱調理器用鍋４、誘導加熱コイル
５、及び温度センサ６の構成を説明する。４は本発明の
電磁誘導加熱調理器用鍋であり、外側の磁性金属７、内
側の熱良導性金属８より成り、内表面はご飯がこびり付
かないようにフッ素樹脂コーティング９が施されてい
る。磁性金属７はフェライト系ステンレスや鋼板等、熱
良導性金属８はアルミニウムまたはアルミニウム合金か
ら成り、一方、フッ素樹脂コーティングやシリコーン系
の非粘着性のコーティングは電磁誘導加熱調理器用鍋外
面にも塗装可能である。[Example] Used in an electromagnetic induction heating type rice cooker,
A pan for an electromagnetic induction heating cooker using the present invention will be described with reference to FIGS. 1, 2 and 3. First, FIG. 1 (a)
Now, the configurations of the electromagnetic induction heating cooker pan 4, the induction heating coil 5, and the temperature sensor 6 will be described. 4 is a pan for an electromagnetic induction heating cooker according to the present invention, which is composed of an outer magnetic metal 7 and an inner heat conductive metal 8, and an inner surface thereof is coated with a fluororesin 9 to prevent rice from sticking. The magnetic metal 7 is made of ferritic stainless steel or a steel plate, and the heat conductive metal 8 is made of aluminum or aluminum alloy. On the other hand, the fluorine resin coating and the silicone-based non-stick coating are applied on the outer surface of the electromagnetic induction cooker pot. It is possible.
【００１３】５は誘導加熱コイルであり、内コイル５
ａ、外コイル５ｂの２段構成で電磁誘導加熱調理器用鍋
４の外周に円環状に、電磁誘導加熱調理器用鍋とは保護
枠１０を隔てて配置され、駆動時に磁力線を発生し、磁
性金属７を発熱させる。また、６は温度センサであり、
電磁誘導加熱調理器用鍋底中央部の外面に接触して電磁
誘導加熱調理器用鍋の温度を検知し、炊飯工程を正確に
遂行することに不可欠なものである。Reference numeral 5 denotes an induction heating coil, which is an inner coil 5.
a, the outer coil 5b has a two-stage configuration and is arranged in an annular shape on the outer periphery of the pan 4 for the electromagnetic induction heating cooker with a protective frame 10 separated from the pan for the electromagnetic induction heating cooker, and generates magnetic lines of force when driven, and magnetic metal Heat 7 6 is a temperature sensor,
It is indispensable for accurately performing the rice cooking process by detecting the temperature of the pan for the electromagnetic induction heating cooker by contacting the outer surface of the center of the bottom of the pan for the electromagnetic induction heating cooker.
【００１４】ここで、電磁誘導加熱調理器用鍋４の外面
には図１（ｂ）及び図１（ｃ）に示すように内コイル５
ａの対向部から外コイル５ｂの対向部にかけて、電磁誘
導加熱調理器用鍋底中心を円心とした同心円上に、放射
状に多数の凹凸加工１２が施されている。ここで言う凹
凸加工の数とは、加工される凹部１２ａの数を意味して
いる。図２は電磁誘導加熱調理器用鍋４において凹凸加
工１２を施した部位の断面図であり、外コイル５ｂとの
位置関係も同時に示している。Here, as shown in FIGS. 1 (b) and 1 (c), the inner coil 5 is provided on the outer surface of the pan 4 for the electromagnetic induction heating cooker.
From the facing part of a to the facing part of the outer coil 5b, a large number of irregularities 12 are radially provided on a concentric circle whose center is the center of the bottom of the pan for an electromagnetic induction heating cooker. The number of concave-convex processing mentioned here means the number of concave portions 12a to be processed. FIG. 2 is a cross-sectional view of a portion of the pan 4 for the electromagnetic induction heating cooker on which the concavo-convex process 12 is applied, and also shows the positional relationship with the outer coil 5b.
【００１５】１２ｂは凸になっている部分、１２ａは凹
になっている部分を示すが、設けられる凹凸加工の数、
形状、配置は特に限定されるものではなく、図３（ａ）
あるいは図３（ｂ）に示されたような形状やこれらの組
み合わせでもかまわないし、隣接する凹部模様が図３
（ｃ）のように互いに重なっていても問題はない。Reference numeral 12b indicates a convex portion and 12a indicates a concave portion.
The shape and arrangement are not particularly limited, and are shown in FIG.
Alternatively, the shape shown in FIG. 3B or a combination thereof may be used, and the pattern of the adjacent recesses is shown in FIG.
There is no problem even if they overlap each other as shown in (c).
【００１６】本実施例では、鍋底外面中心部１１は炊飯
器本体の温度センサ６が接触する構造となっているた
め、電磁誘導加熱調理器用鍋４との接触を良好にするた
めにこの部位には凹凸加工１２を施していないが、温度
センサ６が鍋側面に接触するような構成の調理器では鍋
底中心部に凹凸加工が施されていても問題はない。In the present embodiment, the central portion 11 of the outer surface of the bottom of the pan has a structure in which the temperature sensor 6 of the rice cooker body comes into contact therewith. Therefore, in order to make good contact with the pan 4 for the electromagnetic induction heating cooker, this portion is provided at this portion. Although the unevenness processing 12 is not applied, there is no problem if the temperature sensor 6 is in contact with the side of the pan and the unevenness is applied to the center of the bottom of the pan.
【００１７】凹凸加工を施される部位は誘導加熱コイル
に対向する部位のみに限定されるものではなく、また、
内コイル５ａに対向する部位には凹凸加工を設けるが、
外コイル５ｂに対向する部位には設けないという構成、
もしくは、誘導加熱コイルに対向する部位であっても、
凹凸加工を設ける部分と設けない部分に分ける構成とし
て、対流に変化を出させることも可能である。The portion on which the unevenness processing is performed is not limited to the portion facing the induction heating coil, and
Concavo-convex processing is provided on the portion facing the inner coil 5a.
A configuration in which it is not provided at a portion facing the outer coil 5b,
Or even if it is the part facing the induction heating coil,
It is also possible to change the convection as a structure in which it is divided into a portion provided with unevenness processing and a portion not provided with it.
【００１８】以上のごとき構成により、炊飯器本体の駆
動時には、誘導加熱コイル５より発せられた磁力線は、
凹凸加工の凸部に集中し、局部的に強い発熱部が多数発
生することにより、図２の如く、電磁誘導加熱調理器用
鍋内の湯には細かく複雑な対流が多数発生し、結果とし
て米が均一に加熱されるようになる。これと同時に、凹
凸加工による加工硬化により長期間の実使用における経
時寸法変化を極わずかに抑えられるという効果も生じ
る。With the above structure, when the rice cooker body is driven, the magnetic lines of force generated from the induction heating coil 5 are
As a result of a large number of locally strong heat generating parts being concentrated on the convex parts of the uneven processing, as shown in Fig. 2, many fine and complicated convections are generated in the hot water in the pan for the electromagnetic induction heating cooker, resulting in rice. Will be heated uniformly. At the same time, the work hardening due to the unevenness processing brings about an effect that the dimensional change over time in actual use for a long time can be suppressed to an extremely small extent.
【００１９】次に、この凹凸加工を施した本実施例の電
磁誘導加熱調理器用鍋の具体的な製造方法について説明
する。Next, a description will be given of a specific method for manufacturing the pot for an electromagnetic induction heating cooker according to this embodiment, which has been subjected to the uneven processing.
【００２０】まず、母材の熱良導体であるアルミニウム
と、発熱を担う磁性金属であるステンレスとを張り合わ
せた、板厚比率３．０、厚さ２ｍｍ、直径４００ｍｍの
クラッド平板を準備し、図４（ａ）に示すような、直径
１０ｍｍの円柱状で、先端部球面Ｒ＝２５ｍｍのパンチ
１４を複数備えたプレス機により、内コイルから外コイ
ルに対向する部位まで、平板の中
心を円心とした同心円上に、放射状に複数の最大深さ
０．４ｍｍの凹凸加工１２をステンレス側に施こす。First, a clad flat plate having a plate thickness ratio of 3.0, a thickness of 2 mm, and a diameter of 400 mm, in which aluminum, which is a good heat conductor of the base material, and stainless steel, which is a magnetic metal that bears heat, is laminated, is prepared. As shown in (a), a cylindrical press having a diameter of 10 mm and a plurality of punches 14 each having a spherical end surface R = 25 mm was used to press the center of the flat plate from the inner coil to the portion facing the outer coil. On the concentric circles, a plurality of irregularities 12 having a maximum depth of 0.4 mm are radially applied to the stainless steel side.
【００２１】次に、ステンレス側にパンチを押し当て、
プレスすることで、図４（ｂ）に示すように、パンチを
押し当てられた部位がパンチの先端形状に凹形状１２ａ
に加工されるとともに、これにより周囲に押し出された
部位が盛り上がり、凸形状１２ｂを形成することにな
る。Next, the punch is pressed against the stainless steel side,
By pressing, as shown in FIG. 4B, the portion where the punch is pressed is concave 12a in the tip shape of the punch.
As a result, the part extruded to the periphery is raised and the convex shape 12b is formed.
【００２２】なお、各々のパンチは平板の歪みを抑える
ために、ウレタンゴム等の弾力性のある材質で周囲を覆
うことも可能である。この工程では、平板に反りが発生
するが、レベラーや平面型を備えたプレス機で矯正する
ことが可能である。また、凹凸加工の加工法上、凹凸は
内面のアルミニウム側にも浮きでることもあるが、内面
の凹凸が不必要なときは、研磨等によりアルミ面を平滑
化することができる。Each punch may be covered with an elastic material such as urethane rubber in order to suppress the distortion of the flat plate. In this step, the flat plate is warped, but it can be corrected by a press equipped with a leveler or a flat die. Further, due to the processing method of unevenness, the unevenness may float on the aluminum side of the inner surface, but when the unevenness of the inner surface is unnecessary, the aluminum surface can be smoothed by polishing or the like.
【００２３】次に、所定の金型とパンチを備えたプレス
機械を用いて、目的の鍋形状に絞り加工を行い、続いて
電磁誘導加熱調理器用鍋の内面にフッ素樹脂コーティン
グを施した。電磁誘導加熱調理器用鍋の外面は、研磨し
て金属光沢を出すこともでき、また、塗装によりさまざ
まな色調にすることが可能である。Next, a pressing machine equipped with a predetermined die and punch was used to perform drawing to a desired pot shape, and then the inner surface of the pot for an electromagnetic induction heating cooker was coated with a fluororesin. The outer surface of the pot for an electromagnetic induction heating cooker can be polished to give a metallic luster, and can be painted in various color tones.
【００２４】本実施例では、凹凸加工を平板に処理して
いるが、平板を鍋形状に絞り加工してから処理すること
も可能であり、この場合は、フッ素樹脂コーティング処
理前に凹凸加工を施せば、残留応力や傷付き等、フッ素
樹脂コーティングへの悪影響を少なくすることができ
る。In this embodiment, the concavo-convex process is performed on the flat plate, but it is also possible to process the flat plate by drawing it into a pot shape. In this case, the concavo-convex process is performed before the fluororesin coating process. If applied, it is possible to reduce adverse effects on the fluororesin coating, such as residual stress and scratches.
【００２５】[0025]
【発明の効果】このように、請求項１記載の発明によれ
ば、電磁誘導加熱調理器本体の誘導加熱コイルに対向す
る部位の磁性金属に複数の凹凸を設けているため、発熱
面積が増加するとともに、磁力線の性質上、磁力線は凹
凸加工の凸部に集中するので、凸部の発熱が強まり、凹
凸で温度差が生じ、電磁誘導加熱調理用鍋の内側に細か
い対流が多数発生して調理物の対流がより活発になる結
果、均一な加熱が実現される。これと同時に、凹凸加工
を施された電磁誘導加熱調理用鍋は加工硬化により寸法
の経時変化が極少ないため、安定した調理性能を長期間
維持できるとともに、高強度であり、取扱い性に優れた
電磁誘導加熱調理用鍋とすることができる。As described above, according to the first aspect of the invention, since the magnetic metal of the portion facing the induction heating coil of the electromagnetic induction heating cooker body is provided with a plurality of irregularities, the heat generation area is increased. In addition, due to the nature of the magnetic force lines, the magnetic force lines concentrate on the convex portions of the uneven processing, so the heat generation at the convex portions intensifies and a temperature difference occurs due to the irregularities, and many small convections occur inside the electromagnetic induction cooking pot. More uniform convection of the food product results in uniform heating. At the same time, the unevenness of the electromagnetic induction cooking pot, which has a minimal change in size due to work hardening, can maintain stable cooking performance for a long period of time and has high strength and excellent handleability. It can be a pot for electromagnetic induction heating cooking.
【００２６】また、請求項２記載の発明によれば、磁性
金属であるステンレスと熱良導体であるアルミニウムを
張り合わせて成るクラッド材を使用する場合に、ステン
レスの板厚が略０．４５ｍｍ〜１．０ｍｍとし、両金属
の板厚比率を所定の範囲に設定することにより、十分な
発熱を得るとともに、熱伝導を良くし、重量の不適切な
増加を防止することができる。According to the second aspect of the present invention, when a clad material formed by laminating stainless steel, which is a magnetic metal, and aluminum, which is a good thermal conductor, is used, the plate thickness of stainless steel is approximately 0.45 mm to 1. By setting the plate thickness ratio of both metals to 0 mm and setting the plate thickness ratio of both metals within a predetermined range, sufficient heat generation can be obtained, heat conduction can be improved, and an inappropriate increase in weight can be prevented.
【００２７】また、請求項３記載の発明によれば、電磁
誘導加熱調理器本体の少なくとも温度センサに対向する
部位を平坦とすることにより、温度センサと電磁誘導加
熱調理用鍋の接触がよくなり、温度を正確に検知でき
る。According to the third aspect of the present invention, by making at least the portion of the main body of the electromagnetic induction heating cooker facing the temperature sensor flat, the contact between the temperature sensor and the electromagnetic induction cooking pan is improved. , The temperature can be detected accurately.
【図面の簡単な説明】[Brief description of drawings]
【図１】（ａ）本発明の実施の形態を示す電磁誘導加熱
調理器用鍋と温度センサ、誘導加熱コイルとの位置関係
を示す断面図
（ｂ）同電磁誘導加熱調理器用鍋の側面図
（ｃ）同電磁誘導加熱調理器用鍋の底面図FIG. 1 (a) is a sectional view showing a positional relationship between an electromagnetic induction heating cooker pan, a temperature sensor, and an induction heating coil according to an embodiment of the present invention (b) a side view of the electromagnetic induction heating cooker pan ( c) Bottom view of the pan for the same electromagnetic induction heating cooker
【図２】同電磁誘導加熱調理器用鍋の部分断面図FIG. 2 is a partial cross-sectional view of the pan for the electromagnetic induction heating cooker.
【図３】（ａ）同電磁誘導加熱調理器用鍋の凹凸加工の
形状図
（ｂ）同電磁誘導加熱調理器用鍋の別の凹凸加工の形状
図
（ｃ）同電磁誘導加熱調理器用鍋の更に別の凹凸加工の
形状図[FIG. 3] (a) Shape drawing of the uneven processing of the pot for the same electromagnetic induction heating cooker, (b) Another shape drawing of uneven processing of the pot for the same electromagnetic induction heating cooker, and (c) Further drawing of the pot for the same electromagnetic induction heating cooker. Shape drawing of another uneven processing
【図４】（ａ）同電磁誘導加熱調理器用鍋の凹凸加工前
を示す断面図
（ｂ）同電磁誘導加熱調理器用鍋の凹凸加工後を示す断
面図FIG. 4 (a) is a sectional view showing the pot for the electromagnetic induction heating cooker before the concavo-convex processing, and FIG. 4 (b) is a sectional view showing the pot for the electromagnetic induction heating cooker after the concavo-convex machining.
【図５】従来の電磁誘導加熱調理器用鍋の破断断面図FIG. 5 is a cutaway sectional view of a conventional pot for an electromagnetic induction heating cooker.
４ 電磁誘導加熱調理器用鍋 ７ 磁性金属 ８ アルミニウム １２ａ 凹部 １２ｂ 凸部 4 Electromagnetic induction heating cooker pot 7 Magnetic metal 8 aluminum 12a recess 12b convex part
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平９−129361（ＪＰ，Ａ) 特開 平２−95317（ＪＰ，Ａ) 特開 平７−213420（ＪＰ，Ａ) 特開 平９−140564（ＪＰ，Ａ) 特開 平９−140565（ＪＰ，Ａ) 特開 平９−140566（ＪＰ，Ａ) 特開 平10−113278（ＪＰ，Ａ) 特開 平11−76046（ＪＰ，Ａ) 実開 昭61−149298（ＪＰ，Ｕ) 実開 昭61−23292（ＪＰ，Ｕ) 実開 昭61−83293（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) H05B 6/12 A47J 27/00 A47J 36/02 ─────────────────────────────────────────────────── --- Continuation of the front page (56) References JP-A-9-129361 (JP, A) JP-A-2-95317 (JP, A) JP-A-7-213420 (JP, A) JP-A-9- 140564 (JP, A) JP 9-140565 (JP, A) JP 9-140566 (JP, A) JP 10-113278 (JP, A) JP 11-76046 (JP, A) Actual development Sho 61-149298 (JP, U) Actual development Sho 61-23292 (JP, U) Actual development Sho 61-83293 (JP, U) (58) Fields investigated (Int.Cl. 7 , DB name) H05B 6/12 A47J 27/00 A47J 36/02
Claims (3)
性金属とを有する鍋を備え、前記磁性金属の外面の、少
なくとも電磁誘導加熱炊飯器本体の誘導加熱コイルに対
向する部位であるとともに前記鍋底中心を円心とした同
心円上に、放射状に複数の凹凸を設け、前記凹凸は、そ
の凹部一区画の面積を略４ｃｍ２以下としてなる電磁誘
導加熱炊飯器。1. A pan provided with aluminum and a magnetic metal provided on the outer surface of the pan, wherein the outer surface of the magnetic metal is small.
Even if it is not compatible with the induction heating coil of the electromagnetic induction heating rice cooker body
The center of the pot bottom is the center of the circle.
A plurality of irregularities are provided radially on the center circle, and the irregularities are
The electromagnetic induction heating rice cooker in which the area of each of the recesses is about 4 cm 2 or less .
〜１．０ｍｍとし、アルミニウムと前記磁性金属の板厚
比率を略２．０〜３．５のクラッド材としてなる請求項
１記載の電磁誘導加熱炊飯器。2. The plate thickness of the magnetic metal is approximately 0.45 mm.
The electromagnetic induction heating rice cooker according to claim 1, wherein the clad material has a plate thickness ratio of aluminum to the magnetic metal of about 2.0 to 3.5 and is about 1.0 mm.
温度センサに対向する部位を平坦としてなる請求項１記
載の電磁誘導加熱炊飯器。3. The electromagnetic induction heating rice cooker according to claim 1, wherein the magnetic metal has a flat portion facing the temperature sensor of the main body of the electromagnetic induction heating rice cooker .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002244712A JP3475955B2 (en) | 2002-08-26 | 2002-08-26 | Electromagnetic induction cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002244712A JP3475955B2 (en) | 2002-08-26 | 2002-08-26 | Electromagnetic induction cooker |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28556795A Division JP3477951B2 (en) | 1995-11-02 | 1995-11-02 | Electromagnetic induction cooker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003079510A JP2003079510A (en) | 2003-03-18 |
| JP3475955B2 true JP3475955B2 (en) | 2003-12-10 |
Family
ID=19196513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002244712A Expired - Fee Related JP3475955B2 (en) | 2002-08-26 | 2002-08-26 | Electromagnetic induction cooker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3475955B2 (en) |
-
2002
- 2002-08-26 JP JP2002244712A patent/JP3475955B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2003079510A (en) | 2003-03-18 |
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