JPS591352Y2 - induction heating cooker - Google Patents
induction heating cookerInfo
- Publication number
- JPS591352Y2 JPS591352Y2 JP17076379U JP17076379U JPS591352Y2 JP S591352 Y2 JPS591352 Y2 JP S591352Y2 JP 17076379 U JP17076379 U JP 17076379U JP 17076379 U JP17076379 U JP 17076379U JP S591352 Y2 JPS591352 Y2 JP S591352Y2
- Authority
- JP
- Japan
- Prior art keywords
- induction heating
- steel pipe
- cylindrical steel
- box
- heating cooker
- 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
Links
Description
【考案の詳細な説明】
本考案は、誘導加熱コイルの励磁により発熱する誘導加
熱装置を用いた誘導加熱調理器に関するもので、特に油
を加熱することによって食品を調理するのに好適な調理
器を提供するものである。[Detailed description of the invention] The present invention relates to an induction heating cooker using an induction heating device that generates heat by excitation of an induction heating coil, and is particularly suitable for cooking food by heating oil. It provides:
従来、食用油を加熱して食品を調理する調理器として、
例えば゛第１図、第２図に示されるような、電気抵抗加
熱を利用したものがあった。Conventionally, as a cooking device that heats edible oil to cook food,
For example, there are devices that utilize electrical resistance heating, as shown in FIGS. 1 and 2.
即ち、図示調理器は、調理器函体１に設けられた円筒状
鋼管２内にヒータ３を挿入してこのヒータ３の発熱によ
り上記函体１内に満されている食用油４を加熱すること
によって食品を調理するものである。That is, in the illustrated cooking device, a heater 3 is inserted into a cylindrical steel pipe 2 provided in a cooking device box 1, and the cooking oil 4 filled in the box 1 is heated by the heat generated by the heater 3. It is used to prepare food.
しかるに、図示調理器においては、加熱源としてヒータ
３を用いているため、熱効率が悪く、また油洩れによる
火災の危険性を伴なっていた。However, in the illustrated cooking device, since the heater 3 is used as a heating source, the thermal efficiency is poor and there is a risk of fire due to oil leakage.
さらに、従来加熱源として、上記円筒状鋼管２内にガス
バーナ（図示せず）を挿入してガス炎によって食用油４
を加熱するものが知られているが、この場合も同様に、
熱効率が悪く、また油洩れによってガス炎が消された場
合には、上記円筒状鋼管２内部にガスが充満し、このガ
スによる引火爆発の危険性がある。Furthermore, as a conventional heating source, a gas burner (not shown) is inserted into the cylindrical steel pipe 2 to heat the cooking oil 4 using a gas flame.
It is known that heating the
Thermal efficiency is poor, and if the gas flame is extinguished due to oil leakage, the cylindrical steel pipe 2 will be filled with gas, and there is a risk of ignition and explosion due to this gas.
ところで、油を加熱することによって食品を調理する場
合、例えば所謂天ぷらを揚げる場合には、食品の風味を
保持するのに調理中の油の温度が強く影響することが知
られており、図中、函体１内の食用油４の温度は、円筒
状鋼管２上部が１８０℃前後、円筒状鋼管２下部は可能
な限り低い方が良く、また食用油の劣化が少なく沈澱物
の処理が容易なものとするためには、上記円筒状鋼管２
の上部と下部との間に大きな温度差を生じさせることが
要求されている。By the way, when cooking food by heating oil, for example when frying so-called tempura, it is known that the temperature of the oil during cooking has a strong influence on preserving the flavor of the food. The temperature of the cooking oil 4 in the box 1 should be around 180°C at the top of the cylindrical steel pipe 2 and as low as possible at the bottom of the cylindrical steel pipe 2, and the cooking oil is less likely to deteriorate and the precipitates can be easily disposed of. In order to make the above-mentioned cylindrical steel pipe 2
It is required to create a large temperature difference between the upper and lower parts of the
そこで、本考案は上記のような点に鑑みてなされたもの
で、加熱源として電磁誘導加熱方式を利用した後、熱効
率が高く、炎のない安全な調理器であって、調理器函体
内の食用油の温度を上部と下部との間で大きな温度差を
持たせることができる調理器を提供するものである。Therefore, the present invention has been developed in view of the above points, and is a safe cooker with high thermal efficiency and no flame, which utilizes electromagnetic induction heating method as a heating source. To provide a cooking device that can provide a large temperature difference in the temperature of cooking oil between an upper part and a lower part.
以下、本考案の一実施例を、本考案調理器の断面図であ
る第３図と、側面図である第４図と、及び、第４図にお
ける筒状鋼管部分の拡大断面図である第５図とに基いて
説明すると、本考案調理器の加熱源としては、短絡変圧
器の作用によって説明される誘導加熱装置を用いている
。Hereinafter, one embodiment of the present invention will be described in FIG. 3, which is a sectional view of the cooking device of the present invention, FIG. 4, which is a side view, and FIG. 4, which is an enlarged sectional view of the cylindrical steel pipe portion in FIG. Referring to FIG. 5, the cooking device of the present invention uses an induction heating device explained by the action of a short-circuit transformer as a heating source.
即ち、図において、５は硅素鋼板を円筒状に巻いて形成
した電磁鉄心で、この鉄心外周に耐熱性の絶縁物（図示
せず）を介して変圧器の一次巻線に相当する誘導加熱コ
イル６が所定回数巻かれており、また、三相の各鉄心は
継鉄７によって継がれて閉磁路が形成されている。That is, in the figure, 5 is an electromagnetic core formed by winding a silicon steel plate into a cylindrical shape, and an induction heating coil corresponding to the primary winding of a transformer is connected to the outer periphery of this core via a heat-resistant insulator (not shown). 6 is wound a predetermined number of times, and each three-phase core is connected by a yoke 7 to form a closed magnetic path.
８は上記誘導加熱コイル６の励磁による電磁誘導作用に
よって短絡電流が誘起されて発熱する、変圧器の二次巻
線に相当する発熱体であって、上記電磁鉄心５、誘導加
熱コイル６、及び発熱体８で構成される誘導加熱装置に
三相の商用周波数の交流電源を供給することにより、変
圧器の場合と同様に、励磁加熱コイル６の励磁により、
発生した磁束は、発熱体８を通り電磁誘導作用によって
発熱体８に短絡電流が誘起されて発熱体８に直接発熱が
生じることになる。Reference numeral 8 denotes a heating element corresponding to the secondary winding of a transformer, which generates heat by inducing a short-circuit current by electromagnetic induction due to the excitation of the induction heating coil 6, and includes the electromagnetic iron core 5, the induction heating coil 6, and By supplying three-phase commercial frequency AC power to the induction heating device composed of the heating element 8, the excitation heating coil 6 is energized, as in the case of a transformer.
The generated magnetic flux passes through the heating element 8 and a short circuit current is induced in the heating element 8 by electromagnetic induction, so that the heating element 8 directly generates heat.
しかして、９は外周が調理器函体１の内部に位置して設
けられた筒状鋼管で、誘導加熱により発熱する真円形状
でなる上記発熱体８の上部と密着し、他方発熱体８の下
部との間には断熱部１０を設けて誘導加熱装置を覆うこ
とにより上部は熱伝達が大きく、下部は熱伝達が少なく
なるよう上部半円が真円形状で下部半円がだ円形状に成
形されている。9 is a cylindrical steel pipe whose outer periphery is located inside the cooker case 1, and is in close contact with the upper part of the heating element 8, which has a perfect circular shape and generates heat by induction heating. By providing a heat insulating part 10 between the lower part of the induction heating device and the induction heating device, the upper semicircle has a perfect circular shape and the lower semicircle has an oval shape so that heat transfer is large in the upper part and less in the lower part. It is molded into.
また、第３図において、１１は上記筒状鋼管９の上部に
設けられて、函体１中の食用油４の温度を検出し上述し
た誘導加熱装置への電源供給量を制御して油温を微細に
制御する油量制御器である。Further, in FIG. 3, reference numeral 11 is provided at the upper part of the cylindrical steel pipe 9 to detect the temperature of the cooking oil 4 in the box 1 and control the amount of power supplied to the induction heating device described above to control the oil temperature. This is an oil amount controller that finely controls oil flow.
上記構成からなる調理器によれば、炎を用いることなく
電磁誘導作用によって直接発熱体８を発熱させることが
でき、火炎、爆発の危険がなく安全で、しかも熱効率の
良いものとすることができる。According to the cooker having the above configuration, the heating element 8 can be made to generate heat directly by electromagnetic induction without using a flame, and it is safe without the risk of flame or explosion, and has good thermal efficiency. .
また、調理器函体１の内部に位置して設けられて内部に
誘導加熱装置を挿入した筒状鋼管９は、その内壁面が上
記誘導加熱装置の発熱体８の−Ｌ部と密着し、かつ、発
熱体８の下部との間には断熱部１０を設けているので、
上部は熱伝達が大きく下部は熱伝達が小さいものとなり
、したがって、函体１中の食用油４の上層部温度を高温
に、下層部の温度を低温状態に継続して保持することが
でき、食用油の劣化が少なく沈澱物の処理を容易なもの
とすることができる。Further, the cylindrical steel pipe 9, which is located inside the cooking device case 1 and into which the induction heating device is inserted, has its inner wall surface in close contact with the -L portion of the heating element 8 of the induction heating device, In addition, since the heat insulating part 10 is provided between the lower part of the heating element 8,
Heat transfer is large in the upper part and small in the lower part, so that the temperature of the upper part of the cooking oil 4 in the box 1 can be maintained at a high temperature and the temperature of the lower part can be continuously maintained at a low temperature. There is little deterioration of the edible oil, and the precipitate can be easily disposed of.
実際に本考案者等による実験結果によれば、函体１上部
での食用油４の温度は通電後２０分で１８０℃、下部で
の食用油４の温度は４５℃となった。In fact, according to the experimental results by the inventors of the present invention, the temperature of the cooking oil 4 at the upper part of the box 1 was 180°C 20 minutes after electricity was applied, and the temperature of the cooking oil 4 at the lower part was 45°C.
そしてその後２時間経過後にも上部温度が１８５℃、下
部温度が８５℃という値が検出された。Two hours later, the upper temperature was 185°C and the lower temperature was 85°C.
なお、上記実施例において、断熱部１０は空隙からなる
ものを示したが、発熱体８千部と筒状鋼管９との間に断
熱材を介在させても良く、また、空隙でなる場合にはそ
の空隙を大気と連通させ、さらに強制ファンにより外部
空気を空隙に導入させる手段等により断熱部１０での冷
却効果を高めることができ、」二記筒状鋼管９の上部と
下部との間の温度差を一層顕著なものとすることができ
る。In addition, in the above embodiment, the heat insulating part 10 is shown to be composed of voids, but a heat insulating material may be interposed between the 8,000 parts of the heating element and the cylindrical steel pipe 9. The cooling effect in the heat insulating section 10 can be enhanced by communicating the gap with the atmosphere and introducing external air into the gap using a forced fan, etc. It is possible to make the temperature difference even more remarkable.
また、上記実施例においては、商用周波数の交流電源と
して三相電源を用いた例を示したが、単相電源を用いて
電磁誘導加熱装置を構成できるのは勿論である。Further, in the above embodiment, an example was shown in which a three-phase power source was used as the AC power source at a commercial frequency, but it goes without saying that the electromagnetic induction heating device can be configured using a single-phase power source.
以上のように本考案によれば、調理器函体に筒状鋼管を
設けてその筒状鋼管の外周を上記函体内部に位置させる
とともに、」−記筒状鋼管内には誘導加熱コイルの励磁
により発熱する誘導加熱装置を挿入した誘導加熱調理器
において、上記誘導加熱装置の発熱体の上部を上記筒状
鋼管の上部内壁面に密着させ、かつ、その発熱体の下部
と上記筒状鋼管の下部内壁面との間に断熱部を設けたの
で、上記函体内の充填液の上層部と下層部との温度差を
増大せしめることができ、特に、函体内に食用油を充填
して調理する場合に食用油の劣化が少なく沈澱物の処理
が容易な調理器を得ることができるという効果を奏する
。As described above, according to the present invention, a cylindrical steel pipe is provided in the cooking device box, the outer periphery of the cylindrical steel pipe is located inside the box, and an induction heating coil is placed inside the cylindrical steel pipe. In an induction heating cooker in which an induction heating device that generates heat by excitation is inserted, the upper part of the heating element of the induction heating device is brought into close contact with the upper inner wall surface of the cylindrical steel pipe, and the lower part of the heating element and the cylindrical steel pipe are brought into close contact with each other. Since a heat insulating section is provided between the inner wall surface of the lower part of the box, it is possible to increase the temperature difference between the upper layer and the lower layer of the filling liquid inside the box. In this case, it is possible to obtain a cooking device in which the deterioration of cooking oil is small and sediments can be easily disposed of.
第１図は従来の調理器を示す断面図、第２図は第１図の
側面図、第３図は本考案の一実施例による誘導加熱調理
器を示す断面図、第４図は第３図の側面図、第５図は第
４図の筒状鋼管を示す拡大断面図である。
１・・・・・・調理器函体、６・・・・・・誘導加熱コ
イル、８・・・・・・発熱体、９・・・・・・筒状鋼管
、１０・・・・・・断熱部。
なお、図中、同一符号は同−又は相当部分を示す。FIG. 1 is a sectional view showing a conventional cooking device, FIG. 2 is a side view of FIG. 1, FIG. 3 is a sectional view showing an induction cooking device according to an embodiment of the present invention, and FIG. 5 is an enlarged sectional view showing the cylindrical steel pipe of FIG. 4. FIG. 1... Cooker box, 6... Induction heating coil, 8... Heating element, 9... Cylindrical steel pipe, 10...・Insulation section. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (4)
周を上記函体内部に位置させるとともに、上記筒状鋼管
内には誘導加熱コイルの励磁により発熱する誘導加熱装
置を挿入した誘導加熱調理器において、上記誘導加熱装
置の発熱体の上部を上記筒状鋼管の上部内壁面に密着さ
せ、かつ、その発熱体の下部と上記筒状鋼管の下部内壁
面との間に断熱部を設けて、上記函体内の充填液の上層
部と下層部との温度差を増大せしめることを特徴とする
誘導加熱調理器。(1) A cylindrical steel pipe is provided in the cooking device box, and the outer periphery of the cylindrical steel pipe is located inside the box, and an induction heating device that generates heat by excitation of an induction heating coil is inserted into the cylindrical steel pipe. In the induction heating cooker, the upper part of the heating element of the induction heating device is brought into close contact with the upper inner wall surface of the cylindrical steel pipe, and heat insulation is provided between the lower part of the heating element and the lower inner wall surface of the cylindrical steel pipe. An induction heating cooking device characterized in that a temperature difference between an upper layer and a lower layer of the filling liquid in the box is increased by providing a section.
案登録請求の範囲第１項記載の誘導加熱調理器。(2) The induction heating cooker according to claim 1, wherein the heat insulating portion is made of a heat insulator.
登録請求の範囲第１項記載の誘導加熱調理器。(3) The induction heating cooker according to claim 1, wherein the heat insulating portion is formed of a void.
用新案登録請求の範囲第３項記載の誘導加熱調理器。(4) The induction heating cooker according to claim 3, wherein the void is communicated with the atmosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17076379U JPS591352Y2 (en) | 1979-12-10 | 1979-12-10 | induction heating cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17076379U JPS591352Y2 (en) | 1979-12-10 | 1979-12-10 | induction heating cooker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5686789U JPS5686789U (en) | 1981-07-11 |
| JPS591352Y2 true JPS591352Y2 (en) | 1984-01-14 |
Family
ID=29681594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17076379U Expired JPS591352Y2 (en) | 1979-12-10 | 1979-12-10 | induction heating cooker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS591352Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0759228B2 (en) * | 1990-09-14 | 1995-06-28 | ハイデック株式会社 | Heating cooker |
-
1979
- 1979-12-10 JP JP17076379U patent/JPS591352Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5686789U (en) | 1981-07-11 |
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