JPS6220288A - Induction heating cooker - Google Patents
Induction heating cookerInfo
- Publication number
- JPS6220288A JPS6220288A JP16054985A JP16054985A JPS6220288A JP S6220288 A JPS6220288 A JP S6220288A JP 16054985 A JP16054985 A JP 16054985A JP 16054985 A JP16054985 A JP 16054985A JP S6220288 A JPS6220288 A JP S6220288A
- Authority
- JP
- Japan
- Prior art keywords
- heating coil
- plate
- conductive metal
- metal plate
- induction heating
- 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
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
産業上の利用分野
本発明は電磁誘導加熱により発生する電磁妨害を低減す
る筐体構造を有した誘導加熱調理器に関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an induction heating cooker having a housing structure that reduces electromagnetic interference caused by electromagnetic induction heating.
従来の技術
従来の誘導加熱調理器の筐体構造は第３図のように金属
製鍋１を載せるための鍋保持板２と、前記鍋保持板２を
保持し、内部の加熱コイル３、インバータ装置４等を包
囲する電気絶縁材料で成形された筐体６から構成されて
いる。しかしこの構成では磁気シールドしてないため、
加熱コイル３から下部に放射される高周波磁界が機器外
部に漏洩し易く、外部の電子機器に影響を与え誤動作を
誘発させたり、あるいは誘導加熱調理器をステンレス板
、鉄板等の上に載置して使用した場合、加熱コイル３の
磁界の影響で、ステンレス板、鉄板等が発熱する恐れが
ある。そのため、第４図に示すように、電気絶縁材料製
の筐体５の内部に導電金属板６を埋め込み、下方に漏れ
る磁気をシールドを行うものがあった。BACKGROUND OF THE INVENTION As shown in FIG. 3, a conventional induction heating cooker has a housing structure that includes a pot holder plate 2 on which a metal pot 1 is placed, a pot holder plate 2 that holds the pot holder plate 2, an internal heating coil 3, and an inverter. It consists of a casing 6 molded from an electrically insulating material that surrounds the device 4 and the like. However, since there is no magnetic shielding in this configuration,
The high-frequency magnetic field radiated downward from the heating coil 3 is likely to leak to the outside of the device, affecting external electronic devices and causing malfunctions, or placing the induction heating cooker on a stainless steel plate, iron plate, etc. If the heating coil 3 is used in a heated state, the stainless steel plate, iron plate, etc. may generate heat due to the magnetic field of the heating coil 3. For this reason, as shown in FIG. 4, there has been a device in which a conductive metal plate 6 is embedded inside a casing 5 made of an electrically insulating material to shield the magnetic field leaking downward.
発明が解決しようとする問題点
しかし、磁気シールドを施した従来の構成では、導電金
属板６自身が、加熱コイル３の磁界の影響で発熱するた
め、電気絶縁樹脂製の筐体６が導電金属板６からの熱で
、変形するという問題点を有していた。Problems to be Solved by the Invention However, in the conventional configuration with magnetic shielding, the conductive metal plate 6 itself generates heat under the influence of the magnetic field of the heating coil 3. The problem was that the heat from the plate 6 caused the plate to deform.
そこで本発明は、導電金属板の発熱を低減するとともに
、本来の目的である加熱コイルから発生する漏洩磁界を
容易に、かつ効果的に低減するものである。Therefore, the present invention aims to reduce the heat generation of the conductive metal plate, and also easily and effectively reduce the leakage magnetic field generated from the heating coil, which is the original purpose.
問題点を解決するだめの手段
そして」二記問題点を解決する本発明の技術的な手段は
導電金属板を加熱コイルの下方で、かつ、冷却ファンの
通風経路内に表出させた構成するものである。Means for Solving the Problems The technical means of the present invention for solving the second problem is to configure a conductive metal plate below the heating coil and exposed in the ventilation path of the cooling fan. It is something.
作用 この技術的手段に」＝る作用は次のようになる。action The effect of this technical means is as follows.
すなわち、加熱コイルから下部に放射された高周波磁界
は、導電金属板によってシールドされ、機器外部への漏
洩は低減される。同時に、導電金属板は磁界の影響で発
熱するが、導電金属板は冷却ファンの通風経路内に表出
されているため、導電金属板の発熱も低減されるのであ
る。That is, the high frequency magnetic field radiated downward from the heating coil is shielded by the conductive metal plate, and leakage to the outside of the device is reduced. At the same time, the conductive metal plate generates heat due to the influence of the magnetic field, but since the conductive metal plate is exposed within the ventilation path of the cooling fan, the heat generated by the conductive metal plate is also reduced.
実施例
以下、本発明の一実施例を添付図面にもとづいて説明す
る。Embodiment Hereinafter, one embodiment of the present invention will be described based on the accompanying drawings.
第１図において、金属製鋼１に、鍋保持板２により保持
されている。この鍋保持板２を上方で保持する筐体５内
には加熱コイル３やインバータ装置４の部品をはじめ、
各種電気部品、冷却ファン７等が配設さ冶、ている。前
記筐体５は電気絶縁性能を有する樹脂等で成形されてお
り、前記冷却ファン７に対応する筐体底面には吸気孔５
＆、才だ、機器後方には排気孔５ｂが設けられ、加熱コ
イル３の下方に（ｄ冷却通風経路８が形成されている３
、また、前記加熱コイル３の下方に相対する冷却通風経
路内には、はぼ加熱コイル３と等［７い円板状をしたア
ルミ板等でできた導電製金属板６が接着されている。In FIG. 1, it is held on a metal steel 1 by a pot holding plate 2. Inside the casing 5 that holds the pot holding plate 2 above, there are components such as the heating coil 3 and the inverter device 4.
Various electrical parts, a cooling fan 7, etc. are installed. The housing 5 is made of resin or the like having electrical insulation properties, and has intake holes 5 on the bottom of the housing corresponding to the cooling fan 7.
An exhaust hole 5b is provided at the rear of the device, and a cooling ventilation path 8 (d) is formed below the heating coil 3.
In addition, a conductive metal plate 6 made of a disk-shaped aluminum plate or the like is bonded to the heating coil 3 in the cooling ventilation path facing below the heating coil 3. .
次に本実施例の構成における作用を説明する。Next, the operation of the configuration of this embodiment will be explained.
金属製鋼１を加熱するに（ｄ、加熱コイル３から高周波
磁界を金属製鋼１の鍋底に向って放射しなけ力、けなら
ず、このとき、加熱コイル３の下部からも磁束が放射さ
れる。この下部からの磁束は、加熱コイル３の下部にフ
ェライトコアを敷く等の磁気遮へい手段によりある程度
遮へいするととは可５ ／、
能であるが、完全に抑えこむことは困難である。To heat the metal steel 1 (d), the heating coil 3 must radiate a high-frequency magnetic field toward the bottom of the metal steel 1. At this time, magnetic flux is also radiated from the bottom of the heating coil 3. Although it is possible to shield this magnetic flux from the lower part to some extent by magnetic shielding means such as laying a ferrite core under the heating coil 3, it is difficult to completely suppress it.
この加熱コイル３の下部から発生した磁束の漏れ磁界に
より、誘導加熱調理器がステンレス板や鉄板の土に置か
れて使用された場合、ステンレス板や鉄板か発熱ｊ〜た
り、捷だ他の電子機器の上で使用した場合、それらの電
子機器の誤動作を引き起こしたりする恐れがある。とこ
ろが本実施例のように、加熱コイル３の下方にアルミ板
からなる導電金属板６を敷くことにより、加熱コイル３
の下部から発生した磁束の漏れ磁界をほぼ完全に遮へい
することができる。捷だ、この磁束の漏れ磁界により、
アルミ板からなる導電金属板６自体が加熱するか、これ
は次のような方法で解決される。Due to the leakage magnetic field of the magnetic flux generated from the lower part of the heating coil 3, when the induction heating cooker is placed on a stainless steel plate or iron plate and used, the stainless steel plate or iron plate may generate heat or cause other electronic If used on top of electronic equipment, it may cause malfunction of those electronic equipment. However, as in this embodiment, by placing a conductive metal plate 6 made of an aluminum plate below the heating coil 3, the heating coil 3
It is possible to almost completely shield the leakage magnetic field of the magnetic flux generated from the bottom of the Thanks to the leakage magnetic field of this magnetic flux,
Is the conductive metal plate 6 made of an aluminum plate itself heated? This problem can be solved by the following method.
すなわち、吸気孔５ａから吸入された冷風は冷却ファン
７により、加熱コイル３．インバータ装置４の部品、各
種電気部品等を冷却して、排気孔６ｂから排出されるの
であるが、導電金属板６も、この冷却通風経路８内に表
出されているため、導電金属板６自身の発熱も低減され
るのである。That is, the cold air taken in from the intake hole 5a is passed through the heating coil 3. by the cooling fan 7. The components of the inverter device 4, various electrical components, etc. are cooled and discharged from the exhaust hole 6b, and since the conductive metal plate 6 is also exposed in this cooling ventilation path 8, the conductive metal plate 6 Your own heat generation is also reduced.
発明の効果
以上のように本発明によれば、加熱コイル下方に形成し
た冷却通風経路内に導電性金属板を衣用させているため
、加熱コイル下部から、誘導加熱調理器外部に漏洩する
磁束を容易に遮へいすることができるとともに、導電金
属板自身の発熱という問題も解決できる。また、漏洩磁
束を遮へいできることにより、機器の薄型化も可能にな
る。Effects of the Invention As described above, according to the present invention, since a conductive metal plate is placed in the cooling ventilation path formed below the heating coil, magnetic flux leaks from the bottom of the heating coil to the outside of the induction heating cooker. It is possible to easily shield the conductive metal plate, and also solve the problem of heat generation of the conductive metal plate itself. Furthermore, by being able to shield leakage magnetic flux, it is possible to make the device thinner.
第１図は本発明の一実施例における誘導加熱調理器の要
部断面図、第２図は同分解斜視図、第３図及び第４図は
従来の電磁誘導加熱調理器の要部断面図である６、
１ ・金属製鋼、２・ 鍋保持板、３・・・・加熱コイ
ル、４ ・・インバータ装置、５・・・・筐体、６・・
・ 導電金属板、７ ・冷却ファン、８・・・冷却通風
経路。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名２−
填佳詩碩
ｅ−−−％覚を高硬
７−一冷テフアン
３− ・・ 遁え髄藩
第２図 ３
喝し
−セ＼
特開昭６２〜２０２８８ （３）
第３図
仔
第４図
さＪゴＮＮFig. 1 is a sectional view of a main part of an induction cooking device according to an embodiment of the present invention, Fig. 2 is an exploded perspective view of the same, and Figs. 3 and 4 are sectional views of main parts of a conventional electromagnetic induction cooking device. 6, 1. Metallic steel, 2. Pot holding plate, 3. Heating coil, 4. Inverter device, 5. Housing, 6.
- Conductive metal plate, 7 - Cooling fan, 8... Cooling ventilation path. Name of agent: Patent attorney Toshio Nakao and 1 other person2-
Filled with poems e---% Kaku wo Kouko 7-Ikrei Tae-hwan 3-... Go away from the marrow clan Fig. 2 3 Cheer-Se\ JP-A 1983-20288 (3) Fig. 3 Child No. 4 figure Jgonn
Claims (1)
記鍋保持板の下方に設置された加熱コイルと、前記加熱
コイルに高周波電流を流すインバータ装置と、前記加熱
コイルおよびインバータ装置を冷却する冷却ファンとを
備え、前記加熱コイルの下方には、前記冷却ファンの通
風経路を形成し、この通風経路内に導電金属板を表出さ
せた誘導加熱調理器。a housing having a pot holding plate on the top surface of which a metal pot is placed; a heating coil installed below the pot holding plate; an inverter device that flows a high frequency current through the heating coil; and the heating coil and the inverter device. A cooling fan for cooling the heating coil, a ventilation path for the cooling fan is formed below the heating coil, and a conductive metal plate is exposed in the ventilation path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16054985A JPS6220288A (en) | 1985-07-19 | 1985-07-19 | Induction heating cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16054985A JPS6220288A (en) | 1985-07-19 | 1985-07-19 | Induction heating cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6220288A true JPS6220288A (en) | 1987-01-28 |
Family
ID=15717389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16054985A Pending JPS6220288A (en) | 1985-07-19 | 1985-07-19 | Induction heating cooker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6220288A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0193086A (en) * | 1987-10-05 | 1989-04-12 | Matsushita Electric Ind Co Ltd | Induction heating cooking utensil |
| JP2010170697A (en) * | 2009-01-20 | 2010-08-05 | Panasonic Corp | Induction cooker |
| JP5629027B1 (en) * | 2014-02-24 | 2014-11-19 | アイリスオーヤマ株式会社 | Electromagnetic cooker |
| JP2015159101A (en) * | 2014-10-02 | 2015-09-03 | アイリスオーヤマ株式会社 | electromagnetic cooker |
-
1985
- 1985-07-19 JP JP16054985A patent/JPS6220288A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0193086A (en) * | 1987-10-05 | 1989-04-12 | Matsushita Electric Ind Co Ltd | Induction heating cooking utensil |
| JP2010170697A (en) * | 2009-01-20 | 2010-08-05 | Panasonic Corp | Induction cooker |
| JP5629027B1 (en) * | 2014-02-24 | 2014-11-19 | アイリスオーヤマ株式会社 | Electromagnetic cooker |
| JP2015159101A (en) * | 2014-10-02 | 2015-09-03 | アイリスオーヤマ株式会社 | electromagnetic cooker |
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