JP3112137B2 - High frequency electromagnetic induction heater - Google Patents
High frequency electromagnetic induction heaterInfo
- Publication number
- JP3112137B2 JP3112137B2 JP05173248A JP17324893A JP3112137B2 JP 3112137 B2 JP3112137 B2 JP 3112137B2 JP 05173248 A JP05173248 A JP 05173248A JP 17324893 A JP17324893 A JP 17324893A JP 3112137 B2 JP3112137 B2 JP 3112137B2
- Authority
- JP
- Japan
- Prior art keywords
- electromagnetic induction
- frequency electromagnetic
- induction heater
- work coil
- temperature
- 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.)
- Expired - Lifetime
Links
Description
【０００１】[0001]
【産業上の利用分野】この発明は、２０ＫＨｚ〜２００
ＫＨｚの高周波電流により金属加熱体を電磁誘導加熱す
る高周波電磁誘導加熱器に関する。BACKGROUND OF THE INVENTION
The present invention relates to a high-frequency electromagnetic induction heater for heating a metal heating body by electromagnetic induction using a high-frequency current of KHz.
【０００２】[0002]
【従来の技術】この種の装置としては、ガスを利用した
フライヤー（油加熱）およびゆで麺器などがあり、その
熱源としては電気ヒータや低周波電磁誘導加熱器を用い
るものがある。ヒータを使用するものは、被加熱体であ
る油，水との接触面が小さいため熱伝達率が極めて悪
く、急速加熱ができないだけでなく、ヒータエレメント
の断線が頻繁に発生するという難点がある。2. Description of the Related Art As this type of apparatus, there are a fryer (oil heating) using gas, a boiled noodle apparatus, and the like, and as a heat source thereof, there is an apparatus using an electric heater or a low-frequency electromagnetic induction heater. Those using a heater have a disadvantage that the heat transfer coefficient is extremely poor due to the small contact surface with the oil or water to be heated, rapid heating cannot be performed, and the heater element is frequently disconnected. .
【０００３】これに対し、低周波電磁誘導加熱器は、加
熱コイル（ワークコイル）側に鉄心を使用するなど構造
が複雑で、長さや形状を自由に変えられないため、実用
化されているのは円筒形のみで、種類も２〜３種類しか
ない。また、鉄心を使用しているため、コイル自身の熱
容量が大きく、油，水等の被加熱体に対する急速加熱も
困難である。また、ガスを熱源として使用したものは、
排気装置が必要になることと、裸火を使用することから
引火や爆発の危険があることにより、使用環境が極端に
悪くなり、さらには、油や水の温度コントロールが精度
良くできないことから、油が劣化し易く、食材の処理も
上手くいかないなどの問題を有している。On the other hand, low-frequency electromagnetic induction heaters have been put into practical use because they have a complicated structure, such as using an iron core on the heating coil (work coil) side, and cannot be freely changed in length or shape. Is only cylindrical and has only a few types. In addition, since the iron core is used, the heat capacity of the coil itself is large, and it is difficult to rapidly heat the object to be heated such as oil and water. Also, those using gas as a heat source,
Due to the necessity of an exhaust system and the danger of ignition or explosion due to the use of an open flame, the operating environment becomes extremely poor, and furthermore, the temperature control of oil and water cannot be performed accurately, There is a problem that the oil is easily deteriorated and the processing of foodstuffs is not successful.
【０００４】[0004]
【発明が解決しようとする課題】以上のように、いずれ
の方法も水や油を含む液体の加熱には向かないという問
題がある。したがって、この発明の課題は高効率かつ急
速な加熱を可能とし、しかも高精度な温度制御を可能と
すること、さらには、加熱金属体の形状を自由に変えら
れるようにすることにある。As described above, there is a problem that neither method is suitable for heating a liquid containing water or oil. Accordingly, it is an object of the present invention to enable high-efficiency and rapid heating, to enable high-precision temperature control, and to be able to freely change the shape of a heated metal body.
【０００５】[0005]
【課題を解決するための手段】 このような課題を解決
するため、請求項１の発明では、金属筒状の電磁誘導加
熱体内に高周波の電磁誘導電流を流すワークコイルを封
入して一体化したものを油，水を含む液体中に沈めて液
体の加熱を行なう高周波電磁誘導加熱器であって、 前記
ワークコイルを平板形状または楕円形状とし、前記電磁
誘導加熱体を金属製の楕円筒形状とするとともに、この
電磁誘導加熱体を軸方向を水平に、軸方向断面の長手方
向が垂直となるように配置することを特徴とする。Means for Solving the Problems In order to solve such problems, the invention according to claim 1 employs a metal cylindrical electromagnetic induction heating device.
Seals the work coil that sends high-frequency electromagnetic induction current through the heat
Those integrated by entering oil, submerged in a liquid comprising water carried heating of the liquid to a high-frequency electromagnetic induction heater, the
The work coil has a flat plate shape or an elliptical shape,
In addition to making the induction heating body a metal elliptical cylinder,
Place the electromagnetic induction heating element horizontally in the axial direction,
It is characterized by being arranged so that the direction is vertical .
【０００６】 上記請求項１の発明においては、前記液
体の温度を検出する温度センサと、検出温度を所定値と
なるよう前記ワークコイルに流す電磁誘導電流の制御を
行なう制御装置とを設け、その温度制御を可能にするこ
とができる（請求項２の発明）。 In the first aspect of the present invention, the liquid
A temperature sensor that detects the temperature of the body, and the detected temperature is set to a predetermined value.
Control of the electromagnetic induction current flowing through the work coil
And a control device for controlling the temperature.
(The invention of claim 2).
【０００７】[0007]
【作用】高周波駆動型とすることにより、鉄心を無くし
て形状に対する制約を無くし、コイルからの発生損失熱
を油，水を含む液体に効率良く伝達することで、高速か
つ高精度の温度制御ができるようにする。[Function] By adopting the high frequency drive type, the iron core is eliminated and the restriction on the shape is eliminated, and the loss heat generated from the coil is efficiently transmitted to the liquid containing oil and water, so that high-speed and high-precision temperature control can be achieved. It can be so.
【０００８】[0008]
【実施例】 図１はこの発明の原理構成図である。すな
わち、高周波電磁誘導加熱器は、基本的には高周波の電
磁誘導電流を流すワークコイル２と、金属製筒状の電磁
誘導加熱体３とから構成される。FIG. 1 is a block diagram showing the principle of the present invention. That is, the high-frequency electromagnetic induction heater basically includes the work coil 2 through which the high-frequency electromagnetic induction current flows and the metallic cylindrical electromagnetic induction heater 3.
【０００９】 上記のように構成される高周波電磁誘導
加熱器は、実際には図２のように槽（水槽または油槽）
４内に沈めて使用される。なお、２２はワークコイル２
と、金属加熱体３とを一体化するための、電気は通さな
いが熱は通すアミド系樹脂等の高熱伝導性絶縁樹脂であ
る。 The high-frequency electromagnetic induction heater constructed as described above is actually a tank (water tank or oil tank) as shown in FIG.
4 and used. 22 is the work coil 2
And the metal heating element 3 are integrated, and electricity is not conducted.
High heat conductive insulating resin such as amide resin
You.
【００１０】 これまでは、ワークコイル２と金属加熱
体３との形状を円筒状としたが、図３（イ）または
（ロ）のように平板形または楕円形とすることができ、
これにより形状に対する制約を無くすことができる。[0010] Previously, in the form of the work coil 2 and the metal heating member 3 and cylindrical, 3 (b) or
It can be flat or elliptical as in (b),
Thereby, the restriction on the shape can be eliminated .
【００１１】 平板状の場合の例を図４に示す。これ
は、例えば同図（イ）のようにコイルを平面状に巻回し
た平板形状ワークコイル２Ａを、金属製の楕円筒形状の
金属加熱体３Ａ内に封入して構成される。そして、この
ようにしたものを、同図（ロ）のように例えば２枚並設
するようにすれば、比較的深い槽にその開口を広くして
使用することが可能となる。なお、このとき、図２，図
４に示すように各金属加熱体３，３Ａは槽４に対し、そ
の軸方向を水平に、軸方向断面の長手方向が垂直となる
ように設置または配置される。 FIG. 4 shows an example in the case of a flat plate. this
Is to wind the coil in a plane as shown in Fig.
The flat plate-shaped work coil 2A is
It is constituted by being enclosed in the metal heating body 3A. Then, as shown in FIG. 2 (b), by arranging, for example, two sheets in parallel, the opening is made wider in a relatively deep tank.
It can be used . At this time, see FIGS.
As shown in FIG. 4, each metal heating element 3, 3A
The axis direction is horizontal and the longitudinal direction of the axial section is vertical
Installed or arranged.
【００１２】 図５にワークコイルと金属加熱体とを、
高熱伝導性絶縁樹脂により一体化する方法例を示す。ま
ず、金属筒３の底を同図（イ）のように盲カバー２３で
完全にふさぎ、縛り紐２４で固定する。しかる後、金属
筒３の中に高熱伝導性絶縁樹脂２２を適宜流し込み、盲
板２５を施したコイル支え２１とコイル２を矢印Ｐ方向
に静かに挿入する。これにより、樹脂２２の面が上昇
し、コイル２と加熱金属筒３との隙間は完全に樹脂２２
で埋まり、両者は一体化されることになる。なお、その
後は盲カバー２３や縛り紐２４は同図（ロ）のように、
取り外されることになるのは言うまでもない。FIG. 5 shows a work coil and a metal heater.
An example of a method of integrating with a high thermal conductive insulating resin will be described. First, the bottom of the metal cylinder 3 is completely covered with the blind cover 23 as shown in FIG . Thereafter, the high heat conductive insulating resin 22 is appropriately poured into the metal tube 3, and the coil support 21 provided with the blind plate 25 and the coil 2 are gently inserted in the direction of arrow P. As a result, the surface of the resin 22 rises, and the gap between the coil 2 and the heating metal tube 3 is completely removed.
And both are integrated. After that, as shown in FIG.
Needless to say, it will be removed.
【００１３】また、上記の如き高周波電磁誘導加熱器
は、低周波電磁誘導加熱器のように鉄心を必要としない
ことから熱容量が小さくなり、高速かつ高精度の制御が
可能となる。かかる場合の例を図６に示す。すなわち、
槽４に沈めて用いられる高周波電磁誘導加熱器は、高周
波インバータ１により制御される。槽４内にある液体５
の温度は温度センサ６によって検出され、変換器７で温
度に比例した電気信号に変換され、高周波インバータ１
内の制御回路に与えられる。その制御回路は液体５の温
度が所望の温度となるよう、コイル２に流す高周波電流
を制御する。なお、コイル２を図４のような平板形状ま
たは楕円形状にできるのは勿論である。 Further, the high-frequency electromagnetic induction heater as described above does not require an iron core unlike the low-frequency electromagnetic induction heater, so that its heat capacity is reduced, and high-speed and high-precision control is possible. FIG. 6 shows an example of such a case. That is,
The high-frequency electromagnetic induction heater used in the tank 4 is controlled by the high-frequency inverter 1. Liquid 5 in tank 4
Is detected by a temperature sensor 6 and is converted by a converter 7 into an electric signal proportional to the temperature.
To the control circuit inside. The control circuit controls the high-frequency current flowing through the coil 2 so that the temperature of the liquid 5 becomes a desired temperature. The coil 2 has a flat plate shape as shown in FIG.
Of course, it can be made into an elliptical shape.
【００１４】[0014]
【発明の効果】 この発明によれば、電磁誘導加熱器を
高周波駆動型としたので、鉄心などを必要とせず、ま
た、コイルおよび加熱体を平板形状または楕円形状にす
る場合を含めて形状に対する制約も無くなり、熱容量が
小さくなって高速かつ高精度の温度制御が可能になると
いう利点が得られる。According to the present invention, since the electromagnetic induction heater is of a high-frequency drive type, an iron core or the like is not required, and the coil and the heating element are formed into a flat plate shape or an elliptical shape.
In addition, there is no restriction on the shape including the case in which the heat capacity is reduced, and the advantage is obtained that high-speed and high-precision temperature control becomes possible.
【図１】 この発明の原理構成図である。FIG. 1 is a principle configuration diagram of the present invention.
【図２】 図１の適用例を示す概要図である。 FIG. 2 is a schematic diagram showing an application example of FIG . 1;
【図３】 ワークコイルと金属筒状の電磁誘導加熱体の
具体例を示す外観図である。 FIG. 3 shows a work coil and a metal cylindrical electromagnetic induction heating body.
It is an external view which shows a specific example.
【図４】 この発明の実施例を示す構成図である。 FIG. 4 is a configuration diagram showing an embodiment of the present invention.
【図５】 ワークコイルと電磁誘導加熱体とを熱的に密
に構成する方法と、その結果を説明するための説明図で
ある。 FIG. 5 shows that the work coil and the electromagnetic induction heating body are thermally insulated.
And the explanatory diagram for explaining the result.
is there.
【図６】 高周波電磁誘導加熱器とその制御装置を示す
全体構成図である。 FIG. 6 shows a high-frequency electromagnetic induction heater and its control device.
FIG. 2 is an overall configuration diagram.
【符号の説明】 １…高周波インバータ、２…ワークコイル、３…電磁誘
導加熱体、４…槽、５…水または油、６…電磁誘導加熱
体、７…変換器、２１…コイル支え、２２…熱伝導性絶
縁樹脂、２３…盲カバー、２４…縛り紐、２５…盲板。[Description of Signs] 1 ... High frequency inverter, 2 ... Work coil, 3 ... Electromagnetic induction heating body, 4 ... Tank, 5 ... Water or oil, 6 ... Electromagnetic induction heating body, 7 ... Converter, 21 ... Coil support, 22 ... thermal conductive insulating resin, 23 ... blind cover, 24 ... strap, 25 ... blind plate.
フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) H05B 6/10 311 H05B 6/36 Continuation of the front page (58) Field surveyed (Int.Cl. 7 , DB name) H05B 6/10 311 H05B 6/36
Claims (2)
電磁誘導電流を流すワークコイルを封入して一体化した
ものを油，水を含む液体中に沈めて液体の加熱を行なう
高周波電磁誘導加熱器であって、 前記ワークコイルを平板形状または楕円形状とし、前記
電磁誘導加熱体を金属製の楕円筒形状とするとともに、
この電磁誘導加熱体を軸方向を水平に、軸方向断面の長
手方向が垂直となるように配置する ことを特徴とする高
周波電磁誘導加熱器。1. A high-frequency electromagnetic induction heating body having a metal cylindrical shape.
Work coil for flowing electromagnetic induction current is enclosed and integrated
Heat the liquid by immersing the object in a liquid containing oil and water
A high-frequency electromagnetic induction heater, wherein the work coil has a flat plate shape or an elliptical shape,
While making the electromagnetic induction heating body a metal elliptical cylinder shape,
This electromagnetic induction heating body is axially horizontal, and has a long axial section.
A high-frequency electromagnetic induction heater characterized by being arranged so that the hand direction is vertical .
と、検出温度を所定値となるよう前記ワークコイルに流
す電磁誘導電流の制御を行なう制御装置とを設け、その
温度制御を可能にしたことを特徴とする請求項１に記載
の高周波電磁誘導加熱器。Wherein a temperature sensor for detecting the temperature of the liquid, and a control device for controlling the electromagnetic induction current applied to the work coil so that the detected temperature with a predetermined value provided that enables the temperature control 2. The method according to claim 1, wherein
Of high-frequency electromagnetic induction heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP05173248A JP3112137B2 (en) | 1993-07-13 | 1993-07-13 | High frequency electromagnetic induction heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP05173248A JP3112137B2 (en) | 1993-07-13 | 1993-07-13 | High frequency electromagnetic induction heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0729673A JPH0729673A (en) | 1995-01-31 |
| JP3112137B2 true JP3112137B2 (en) | 2000-11-27 |
Family
ID=15956917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP05173248A Expired - Lifetime JP3112137B2 (en) | 1993-07-13 | 1993-07-13 | High frequency electromagnetic induction heater |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3112137B2 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2731867B1 (en) * | 1995-03-16 | 1997-05-23 | Electricite De France | METHOD AND INSTRUMENT FOR HEATING AN ELECTROLYTIC LIQUID |
| FR2731868B1 (en) * | 1995-03-16 | 1997-06-06 | Electricite De France | METHOD AND EQUIPMENT FOR HEATING AN ELECTRICALLY CONDUCTIVE LIQUID |
| JP3590010B2 (en) * | 2001-10-10 | 2004-11-17 | 第一高周波工業株式会社 | Inductor for heating the inner surface of pipe |
| WO2008129663A1 (en) * | 2007-04-17 | 2008-10-30 | Mitsubishi Electric Corporation | Electro-thermal converter |
| JP4995898B2 (en) * | 2007-04-17 | 2012-08-08 | 三菱電機株式会社 | Hot air generator and hand dryer using the same |
| JPWO2010024258A1 (en) | 2008-08-29 | 2012-01-26 | 塩野義製薬株式会社 | Fused azole derivative having PI3K inhibitory activity |
| WO2010027002A1 (en) | 2008-09-05 | 2010-03-11 | 塩野義製薬株式会社 | Ring-fused morpholine derivative having pi3k-inhibiting activity |
| US20120071475A1 (en) | 2009-04-27 | 2012-03-22 | Shionogi & Co., Ltd. | Urea derivatives having pi3k-inhibiting activity |
| CN107197555B (en) * | 2017-05-23 | 2023-12-15 | 罗运生 | Non-radiative efficient electromagnetic induction heating equipment |
| CN108286789A (en) * | 2018-03-15 | 2018-07-17 | 詹笑 | A kind of high-efficiency electromagnetic induction heating apparatus and heating means |
-
1993
- 1993-07-13 JP JP05173248A patent/JP3112137B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0729673A (en) | 1995-01-31 |
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