JPH05101874A - Electromagnetic induction heating cooking appliance - Google Patents
Electromagnetic induction heating cooking applianceInfo
- Publication number
- JPH05101874A JPH05101874A JP33331391A JP33331391A JPH05101874A JP H05101874 A JPH05101874 A JP H05101874A JP 33331391 A JP33331391 A JP 33331391A JP 33331391 A JP33331391 A JP 33331391A JP H05101874 A JPH05101874 A JP H05101874A
- Authority
- JP
- Japan
- Prior art keywords
- induction heating
- electromagnetic induction
- protective plate
- support
- heat
- 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.)
- Granted
Links
Landscapes
- Baking, Grill, Roasting (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は電磁誘導加熱調理器に
係り、さらに詳しくは、食卓等に載置して調理物の加熱
および保温を行いつつ食事を行うことのできる調理プレ
ートを備えた電磁誘導加熱調理器に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electromagnetic induction heating cooker, and more particularly to an electromagnetic induction cooker equipped with a cooking plate that can be placed on a table or the like to heat and keep the food to be cooked while eating. The present invention relates to an induction heating cooker.
【０００２】[0002]
【従来の技術】図４は従来の電磁誘導加熱調理器を断面
で示した構成図である。図において、１は本体、２は例
えば抵抗率が大きく比透磁率の高い磁性材料で構成され
た調理容器、３は調理容器を載せる載置台で、耐熱性を
有し電磁波を透過する例えばガラスセラミックの如き材
料で構成されている。４ａは図５に示すように互いに密
着させて渦巻状に構成した誘導加熱コイル、５は誘導加
熱コイル４ａを接着材により固着させる支持体で、調理
容器２からの輻射熱による誘導加熱コイル４ａの導線の
劣化を防ぐために、載置台３より数ミリメートル離れた
位置に支持している。６は誘導加熱コイル４ａへ通電す
る高周波スイッチング駆動回路部、７は高周波スイッチ
ング駆動回路部６の制御機、操作スイッチおよび表示器
等が設けられた操作部である。2. Description of the Related Art FIG. 4 is a sectional view showing a conventional electromagnetic induction heating cooker. In the figure, 1 is a main body, 2 is a cooking vessel made of a magnetic material having a high resistivity and high relative permeability, and 3 is a mounting table on which the cooking vessel is placed, which is heat resistant and transmits electromagnetic waves, for example, glass ceramic. It is composed of materials such as. As shown in FIG. 5, reference numeral 4a denotes an induction heating coil which is in close contact with each other and is formed in a spiral shape. In order to prevent deterioration of the mounting table 3, the mounting table 3 is supported at a position separated by several millimeters. Reference numeral 6 is a high frequency switching drive circuit section for energizing the induction heating coil 4a, and 7 is an operation section provided with a controller of the high frequency switching drive circuit section 6, operation switches, a display and the like.
【０００３】このように構成された従来の電磁誘導加熱
調理器では、調理材料を入れた調理容器２を載置台３に
載せて高周波スイッチング駆動回路部６より誘導加熱コ
イル４ａに２０〜３０ＫＨｚの高周波電流を通電する
と、調理容器２の表面に渦電流が発生し、その渦電流に
よるジュール熱によって調理容器２が発熱して調理材料
は調理される。In the conventional electromagnetic induction heating cooker configured as described above, the cooking container 2 containing the cooking ingredients is placed on the placing table 3 and the high frequency switching drive circuit section 6 applies a high frequency of 20 to 30 KHz to the induction heating coil 4a. When an electric current is applied, an eddy current is generated on the surface of the cooking container 2, and Joule heat due to the eddy current causes the cooking container 2 to generate heat to cook the cooking material.
【０００４】[0004]
【発明が解決しようとする課題】以上のように従来の電
磁誘導加熱調理器は、載置台３にガラスセラミックを使
用している。このガラスセラミックは他の絶縁材に比べ
て熱伝導率が高く、耐熱性にも優れているので、電磁誘
導加熱調理器の載置台３に適した材料である。しかしな
がら、耐衝撃性に劣り、高価で加工性の悪い材料であっ
た。また、誘導加熱コイル４ａを互いに密着させて渦巻
状に構成するには、巻き治具で誘導加熱コイル４ａを巻
き取り、接着材を塗布して加熱硬化し、その後、支持体
５に固着するという工程を踏んでいるため、誘導加熱コ
イル４ａ部分の製造には大変な手間が掛かっていた。As described above, in the conventional electromagnetic induction heating cooker, the mounting table 3 is made of glass ceramic. This glass ceramic has a higher thermal conductivity and a higher heat resistance than other insulating materials, and is therefore a material suitable for the mounting table 3 of the electromagnetic induction heating cooker. However, the material was inferior in impact resistance, expensive, and poor in workability. Further, in order to make the induction heating coils 4a in close contact with each other to form a spiral shape, the induction heating coils 4a are wound by a winding jig, an adhesive is applied and heat-cured, and then fixed to the support 5. Since the steps are taken, it takes a lot of time and effort to manufacture the induction heating coil 4a portion.
【０００５】この発明は、上記のような課題を解決する
ためになされたもので、誘導加熱コイルの作業性を向上
させるとともに、安価で耐熱性、耐衝撃性に優れた電磁
誘導加熱調理器を提供することを目的としたものであ
る。The present invention has been made in order to solve the above problems and provides an electromagnetic induction heating cooker which improves workability of an induction heating coil and is inexpensive and excellent in heat resistance and impact resistance. It is intended to be provided.
【０００６】[0006]
【課題を解決するための手段】この発明に係る電磁誘導
加熱調理器は、下面に渦巻状の溝を有し熱可塑性樹脂で
構成された支持体と、この支持体の溝内に配設された誘
導加熱コイルと、支持体の上面に接着された耐熱性を有
する保護板と、磁性材料からなり保護板上に載置される
調理容器とを備えたものである。また、支持体を熱硬化
性樹脂で構成したものである。An electromagnetic induction heating cooker according to the present invention is provided with a support body having a spiral groove on the lower surface and made of a thermoplastic resin, and arranged in the groove of the support body. And an induction heating coil, a heat-resistant protective plate adhered to the upper surface of the support, and a cooking container made of a magnetic material and placed on the protective plate. The support is made of a thermosetting resin.
【０００７】[0007]
【作用】保護板上に調理容器を載せて電源を入れ、加熱
手段を構成する誘導加熱コイルに通電して調理容器を発
熱させる。そして、調理容器内の調理材料を加熱調理す
る。この時、耐熱性、耐衝撃性に優れた保護板は、調理
容器の輻射熱や衝撃から支持体および誘導加熱コイルを
保護する。The cooking container is placed on the protective plate, the power is turned on, and the induction heating coil constituting the heating means is energized to heat the cooking container. Then, the cooking material in the cooking container is heated and cooked. At this time, the protective plate having excellent heat resistance and impact resistance protects the support and the induction heating coil from radiant heat and impact of the cooking container.
【０００８】[0008]
【実施例】実施例１．図１はこの発明の実施例の要部を
断面で示した構成図である。図において、２は例えば抵
抗率が大きく比透磁率の高い磁性材料で構成されたホッ
トプレートの如き調理容器、４は誘導加熱コイル、８は
誘導加熱コイル４を支持する支持体で、例えば無機素材
混入ポリアミドやポリフェニレンサルファイド系樹脂
（以下、ＰＰＳ系樹脂と記す）などの熱可塑性樹脂で構
成されており、下面には間隙Ｌを隔てて誘導加熱コイル
４の導線を配設する渦巻状の溝８ａが形成されている。
９は接着材１０により支持体８の上面に配設された支持
体８を調理容器２による輻射熱から保護する保護板で、
例えばシリコーン基材マイカ集成板や熱強化ガラス、あ
るいはガラスクロスシリコーンラミネート板で構成され
ており、調理容器２が載置される。EXAMPLES Example 1. FIG. 1 is a sectional view showing a main part of an embodiment of the present invention in cross section. In the figure, 2 is a cooking vessel such as a hot plate made of a magnetic material having a large resistivity and a high relative permeability, 4 is an induction heating coil, and 8 is a support for supporting the induction heating coil 4, for example, an inorganic material. It is made of a thermoplastic resin such as mixed polyamide or polyphenylene sulfide resin (hereinafter referred to as PPS resin), and has a spiral groove 8a on the lower surface in which the conductor wire of the induction heating coil 4 is arranged with a gap L therebetween. Are formed.
Reference numeral 9 denotes a protective plate that protects the support body 8 disposed on the upper surface of the support body 8 by the adhesive material 10 from the radiant heat from the cooking container 2,
For example, it is composed of a silicone-based mica laminated plate, heat-strengthened glass, or glass cloth silicone laminated plate, and the cooking container 2 is placed on it.
【０００９】ところで、保護板９を設けず支持体８上に
直接調理容器２を載置させて調理を行うと、支持体８は
調理容器２および誘導加熱コイル４からの熱の影響を受
ける。特に、２８０℃程度に達した加熱面積の広い調理
容器２からの伝熱および輻射熱の影響が大きく、耐熱温
度限度２６０℃のＰＰＳ系樹脂で構成された支持体８は
図２に示すように調理容器２との間に間隙Ｈ（例えば６
ｍｍ）を設ける必要がある。By the way, when the cooking vessel 2 is placed directly on the support 8 without the protective plate 9 and cooking is performed, the support 8 is affected by heat from the cooking vessel 2 and the induction heating coil 4. Particularly, the heat transfer and radiant heat from the cooking container 2 having a large heating area reaching about 280 ° C. have a great influence, and the support 8 made of PPS resin having a heat resistant temperature limit of 260 ° C. is used for cooking as shown in FIG. A gap H (for example, 6
mm) must be provided.
【００１０】一方、誘導加熱コイル４の自己発熱は１５
０℃程度であり、ＰＰＳ系樹脂の耐熱温度限度を有する
熱可塑性樹脂で構成された支持体８で十分である。この
ため、調理容器２の輻射熱から支持体８を保護するため
に耐熱性の保護板９が設けられている。また、保護板９
は耐衝撃も兼ねている。On the other hand, the self-heating of the induction heating coil 4 is 15
The temperature is about 0 ° C., and the support 8 made of a thermoplastic resin having the heat resistant temperature limit of the PPS resin is sufficient. Therefore, a heat-resistant protective plate 9 is provided to protect the support 8 from the radiant heat of the cooking container 2. Also, the protective plate 9
Also has shock resistance.
【００１１】なお、接着材１０は異なる材質の熱膨脹率
の違いによる寸法変化を緩衝する例えば加熱硬化型シリ
コーンラバー接着材などを使用し、そのゴムの性質状を
利用して耐衝撃性を向上させている。The adhesive 10 is made of, for example, a heat-curing type silicone rubber adhesive which buffers the dimensional change due to the difference in the thermal expansion coefficient of different materials, and the impact resistance is improved by utilizing the properties of the rubber. ing.
【００１２】次に、この発明の作用について説明する。
まず、保護板９上に調理容器２を載せ、操作部で温度設
定等を行ってから電源を入れると、誘導加熱コイル４に
２０〜５０ＫＨｚ程度の高周波励磁電流が流る。誘導加
熱コイル４の励磁で磁束が発生し、電磁誘導作用により
調理容器２内に交番的な渦電流が流れてジュール熱が発
生して調理容器２は急激に発熱する。ついで、調理材料
を調理容器２内に入れ、加熱温度等を調節しながら調理
を行う。調理中、保護板９は調理容器２の輻射熱や衝撃
から支持体８および誘導加熱コイル４を保護している。Next, the operation of the present invention will be described.
First, when the cooking container 2 is placed on the protective plate 9 and the temperature is set by the operation unit and then the power is turned on, a high frequency exciting current of about 20 to 50 KHz flows through the induction heating coil 4. A magnetic flux is generated by the excitation of the induction heating coil 4, and an alternating eddy current flows in the cooking container 2 due to the electromagnetic induction action, so that Joule heat is generated and the cooking container 2 rapidly generates heat. Next, the cooking ingredients are put in the cooking container 2 and cooking is performed while adjusting the heating temperature and the like. During cooking, the protective plate 9 protects the support 8 and the induction heating coil 4 from radiant heat and impact of the cooking container 2.
【００１３】実施例２．図３はこの発明の他の実施例の
要部を断面で示した構成図である。なお、実施例１と同
じ部分には同符号を付し、説明を省略する。図におい
て、１１は誘導加熱コイルを支持する支持体で、例えば
無機質充填のフェノール樹脂、無機質充填の不飽和ポリ
エステル樹脂、あるいは、無機質充填のけい素樹脂など
の熱硬化性樹脂で構成されており、下面には実施例１で
説明した支持体８と同様に誘導加熱コイル４の導線を配
設する渦巻状の溝１１ａが形成されている。Embodiment 2. FIG. 3 is a cross-sectional view showing the main part of another embodiment of the present invention. The same parts as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted. In the figure, 11 is a support for supporting the induction heating coil, which is made of a thermosetting resin such as an inorganic-filled phenol resin, an inorganic-filled unsaturated polyester resin, or an inorganic-filled silicon resin, A spiral groove 11a for arranging the conductor of the induction heating coil 4 is formed on the lower surface similarly to the support 8 described in the first embodiment.
【００１４】上記のように構成されたこの実施例におい
ても、実施例１で説明した作用と同様に調理容器２内の
調理材料を調理する。調理中、耐熱性に優れた保護板９
は加熱された調理容器２の高温から支持体１１等と保護
している。Also in this embodiment configured as described above, the cooking material in the cooking container 2 is cooked in the same manner as the operation described in the first embodiment. Protective plate 9 with excellent heat resistance during cooking
Protects the support 11 and the like from the high temperature of the heated cooking container 2.
【００１５】[0015]
【発明の効果】以上のようにこの発明では、下面に渦巻
状の溝を有し熱可塑性樹脂あるいは熱硬化性樹脂で構成
された支持体と、この支持体の溝内に配設された誘導加
熱コイルと、支持体の上面に接着された耐熱性を有する
保護板と、磁性材料からなり保護板上に載置される調理
容器とを備えたので、支持体の加工性が容易となって誘
導加熱コイルの作業性が向上するとともに、支持体に接
着された保護板により耐熱性および耐衝撃性に優れた電
磁誘導加熱調理器を得ることができる。As described above, according to the present invention, a support having a spiral groove on the lower surface thereof and made of a thermoplastic resin or a thermosetting resin, and a guide disposed in the groove of the support. Since the heating coil, the heat-resistant protective plate adhered to the upper surface of the support, and the cooking container made of a magnetic material and placed on the protective plate are provided, the workability of the support becomes easy. The workability of the induction heating coil is improved, and the electromagnetic induction heating cooker excellent in heat resistance and impact resistance can be obtained by the protective plate adhered to the support.
【図１】この発明の実施例の要部を断面で示した構成図
である。FIG. 1 is a configuration diagram showing a cross section of a main part of an embodiment of the present invention.
【図２】調理容器と支持体との関係を示す説明図であ
る。FIG. 2 is an explanatory diagram showing a relationship between a cooking container and a support.
【図３】この発明の他の実施例の要部を断面で示した構
成図である。FIG. 3 is a configuration diagram showing a cross section of a main part of another embodiment of the present invention.
【図４】従来の電磁誘導加熱調理器を断面で示した構成
図である。FIG. 4 is a configuration diagram showing a cross section of a conventional electromagnetic induction heating cooker.
【図５】従来の電磁誘導加熱調理器の誘導加熱コイルの
平面図である。FIG. 5 is a plan view of an induction heating coil of a conventional electromagnetic induction heating cooker.
１ 本体 ２ 調理容器 ３ 載置台 ４，４ａ 誘導加熱コイル ５，８，１１ 支持体 ９ 保護板 １０ 接着材 DESCRIPTION OF SYMBOLS 1 Main body 2 Cooking container 3 Mounting table 4, 4a Induction heating coil 5, 8, 11 Support 9 Protective plate 10 Adhesive
Claims (5)
構成された支持体と、該支持体の溝内に配設された誘導
加熱コイルと、前記支持体の上面に接着された耐熱性を
有する保護板と、磁性材料からなり前記保護板上に載置
される調理容器とを備えたことを特徴とする電磁誘導加
熱調理器。1. A support body having a spiral groove on the lower surface and made of a thermoplastic resin, an induction heating coil arranged in the groove of the support body, and bonded to the upper surface of the support body. An electromagnetic induction heating cooker comprising a heat-resistant protective plate and a cooking container made of a magnetic material and placed on the protective plate.
混入ポリアミドまたはポリフェニレンサルファイド系樹
脂のいずれかによって構成したことを特徴とする請求項
１記載の電磁誘導加熱調理器。2. The electromagnetic induction heating cooker according to claim 1, wherein the thermoplastic resin of the support is made of either an inorganic material-containing polyamide or a polyphenylene sulfide-based resin.
構成された支持体と、該支持体の溝内に配設された誘導
加熱コイルと、前記支持体の上面に接着された耐熱性を
有する保護板と、磁性材料からなり前記保護板上に載置
される調理容器とを備えたことを特徴とする電磁誘導加
熱調理器。3. A support body having a spiral groove on the lower surface and made of a thermosetting resin, an induction heating coil arranged in the groove of the support body, and bonded to the upper surface of the support body. An electromagnetic induction heating cooker comprising: a heat-resistant protective plate; and a cooking container made of a magnetic material and placed on the protective plate.
填のフェノール樹脂、無機質充填の不飽和ポリエステル
樹脂、または無機質充填のけい素樹脂のいずれかによっ
て構成したことを特徴とする請求項３記載の電磁誘導加
熱調理器。4. The thermosetting resin of the support is composed of an inorganic-filled phenol resin, an inorganic-filled unsaturated polyester resin, or an inorganic-filled silicon resin. The electromagnetic induction heating cooker described.
成板、熱強化ガラス、またはガラスクロスシリコーンラ
ミネート板のいずれかによって構成したことを特徴とす
る請求項１または３記載の電磁誘導加熱調理器。5. The electromagnetic induction heating cooker according to claim 1, wherein the protective plate is made of any one of a silicone-based mica laminated plate, a heat-strengthened glass, and a glass cloth silicone laminated plate. ..
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19902191 | 1991-08-08 | ||
| JP3-199021 | 1991-08-09 | ||
| JP3-200191 | 1991-08-09 | ||
| JP20019191 | 1991-08-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05101874A true JPH05101874A (en) | 1993-04-23 |
| JP3008048B2 JP3008048B2 (en) | 2000-02-14 |
Family
ID=26511303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33331391A Expired - Fee Related JP3008048B2 (en) | 1991-08-08 | 1991-12-17 | Induction heating cooker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3008048B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011113846A (en) * | 2009-11-27 | 2011-06-09 | Sumitomo Chemical Co Ltd | Coil base and heating coil unit using the same |
| JP2015217252A (en) * | 2014-05-21 | 2015-12-07 | サンライズ産業株式会社 | Cooking utensil |
| KR102212008B1 (en) * | 2020-12-30 | 2021-02-04 | 화신주방산업 주식회사 | Electric heating type pancake cooker |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102223927B1 (en) * | 2020-08-28 | 2021-03-05 | 화신주방산업(주) | Electric heating type pancake cooker |
-
1991
- 1991-12-17 JP JP33331391A patent/JP3008048B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011113846A (en) * | 2009-11-27 | 2011-06-09 | Sumitomo Chemical Co Ltd | Coil base and heating coil unit using the same |
| JP2015217252A (en) * | 2014-05-21 | 2015-12-07 | サンライズ産業株式会社 | Cooking utensil |
| KR102212008B1 (en) * | 2020-12-30 | 2021-02-04 | 화신주방산업 주식회사 | Electric heating type pancake cooker |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3008048B2 (en) | 2000-02-14 |
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