JPH0749029B2 - Electric rice cooker - Google Patents
Electric rice cookerInfo
- Publication number
- JPH0749029B2 JPH0749029B2 JP1264398A JP26439889A JPH0749029B2 JP H0749029 B2 JPH0749029 B2 JP H0749029B2 JP 1264398 A JP1264398 A JP 1264398A JP 26439889 A JP26439889 A JP 26439889A JP H0749029 B2 JPH0749029 B2 JP H0749029B2
- Authority
- JP
- Japan
- Prior art keywords
- heater
- protective frame
- rice
- rice cooker
- cooking
- 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
- 235000007164 Oryza sativa Nutrition 0.000 title claims description 45
- 235000009566 rice Nutrition 0.000 title claims description 45
- 240000007594 Oryza sativa Species 0.000 title 1
- 241000209094 Oryza Species 0.000 claims description 44
- 238000010411 cooking Methods 0.000 claims description 24
- 230000001681 protective effect Effects 0.000 claims description 23
- 230000005611 electricity Effects 0.000 claims 1
- 238000010792 warming Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 description 19
- 238000009413 insulation Methods 0.000 description 7
- 230000020169 heat generation Effects 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Cookers (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は、一般家庭で使用される電気炊飯器に関し、特
にその加熱装置に関するものである。TECHNICAL FIELD The present invention relates to an electric rice cooker used in general households, and particularly to a heating device thereof.
従来の技術 近年、鍋底からだけでなく鍋の側面からも加熱し御飯の
食味を向上させる電気炊飯器の加熱装置が主流となって
きている。2. Description of the Related Art In recent years, a heating device for an electric rice cooker has become mainstream, which heats not only the bottom of the pot but also the side of the pot to improve the taste of rice.
従来、この種の電気炊飯器の加熱装置は、第４図のよう
になっていた。Conventionally, the heating device of this type of electric rice cooker has been as shown in FIG.
図に示すように、電気炊飯器本体１の内部に保護枠２が
固定され、鍋３が着脱自在に収納されている。炊飯用鋳
込みヒータ４は内部にシーズヒータ５を鋳込んであり、
保護枠２に固着され、鍋３の底に密着するように形成さ
れている。保温ヒータ６と炊飯用側面ヒータ７はコード
状になっておりアルミテープ８に両面テープにて固着さ
れ、保護枠２の上部に巻き付けられている。As shown in the figure, a protective frame 2 is fixed inside an electric rice cooker body 1, and a pot 3 is detachably stored. The rice-casting heater 4 has a sheathed heater 5 cast therein.
It is fixed to the protective frame 2 and formed so as to be in close contact with the bottom of the pot 3. The heat-retaining heater 6 and the side heater 7 for cooking rice are in the form of cords, which are fixed to the aluminum tape 8 with double-sided tape and wound around the upper part of the protective frame 2.
上記構成において、炊飯時には炊飯用鋳込みヒータ４の
内部にあるシーズヒータ５と炊飯用側面ヒータ７に通電
され、鍋３内の御飯を加熱し炊飯する。保温時は、保温
ヒータ６に通電され、鍋３内の御飯を保温する。In the above configuration, when rice is cooked, the sheathed heater 5 and the side heater 7 for cooking rice are energized to heat the rice in the pan 3 to cook the rice. During heat retention, the heat insulation heater 6 is energized to keep the rice in the pan 3 warm.
発明が解決しようとする課題 このような従来の電気炊飯器の加熱装置では、炊飯用側
面ヒータ７は保護枠２のほぼ全周の長さしかないので、
発熱量を大きくすることができなかった。すなわち、発
熱量を大きくすると、炊飯用側面ヒータ７の長さが、ほ
ぼ保護枠２の全周の長さしかないために、炊飯用側面ヒ
ータ７の温度が高温になってしまい、ヒータの寿命が短
くなる、あるいは絶縁性が低下する等の問題が発生する
ため、発熱量に上限があったものである。DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention In such a conventional heating device for an electric rice cooker, since the side heater 7 for cooking rice has a length of almost the entire circumference of the protective frame 2,
The amount of heat generation could not be increased. That is, when the amount of heat generated is increased, the side heater 7 for cooking rice has a length of almost the entire circumference of the protective frame 2, and therefore the temperature of the side heater 7 for cooking rice becomes high, and the life of the heater is increased. Therefore, there is a problem that the heat generation amount becomes short or the insulation property is deteriorated, so that the heat generation amount has an upper limit.
本発明は上記課題を解決するもので、高発熱量の炊飯用
側面ヒータである電気炊飯器の加熱装置を提供すること
を第１の目的としている。The present invention solves the above problems, and a first object of the present invention is to provide a heating device for an electric rice cooker, which is a side heater for rice cooking with a high heating value.
第２の目的は保温性能のよい電気炊飯器の加熱装置を得
ることにある。The second purpose is to obtain a heating device for an electric rice cooker having good heat insulation performance.
課題を解決するための手段 本発明は上記第１の目的を達成するために、電気炊飯器
本体と、前記本体に着脱自在に収納された鍋と、前記鍋
を包み込むように前記本体に取付けられた保護枠と、前
記保護枠の側面に全周に渡り巻き付けられたコード状の
保温ヒータおよび炊飯用側面ヒータを備え、前記炊飯用
側面ヒータをＵ字状に配し一方の円弧部以外を前記円弧
部よりコードヒータの間隔が狭くなるようにしたもので
ある。Means for Solving the Problems In order to achieve the first object of the present invention, an electric rice cooker main body, a pan detachably accommodated in the main body, and a pan attached to the main body so as to enclose the pan. A protective frame, a cord-shaped heat-retaining heater wound around the side surface of the protective frame all around, and a rice-cooking side heater, and the rice-cooking side heater is arranged in a U-shape, except for one arc portion. The space between the cord heaters is narrower than that of the arc portion.
また第２の目的を達成するために、本発明は、保温ヒー
タが保温枠の側面に全周より少し長く巻き付ける部分
と、炊飯用側面ヒータが端部で重ならないように保護枠
の全周より少し短かく巻き付ける部分を有するようにし
たものである。Further, in order to achieve the second object, according to the present invention, the portion where the heat insulation heater is wound around the side surface of the heat insulation frame for a little longer than the entire circumference, and the side surface heater for rice cooking are arranged so as not to overlap with each other at the end portion. It has a slightly short winding portion.
作用 本発明は上記した構成により、炊飯用側面ヒータをＵ字
状に配しているので、ヒータを長くすることができ、発
熱量を大きくすることができるものである。Effects The present invention has the above-mentioned configuration in which the side heaters for cooking rice are arranged in a U shape, so that the heaters can be lengthened and the amount of heat generation can be increased.
さらに保温ヒータを保護枠の側面に全周より少し長く巻
き付けることにより、保護枠側面全周より保温時に加熱
することができるものである。Further, by wrapping the heat retention heater around the side surface of the protective frame for a little longer than the entire circumference, it is possible to heat from the entire circumference of the side surface of the protective frame during heat retention.
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。第１図，第２図において、電気炊飯器本体９に、保
護枠10が固着され、鍋11が着脱自在に収納されている。
炊飯用鋳込みヒータ12は内部にシーズヒータ13を鋳込ん
であり、保護枠10に固着され、鍋11の底に密着するよう
に形成されている。保温ヒータ14と炊飯用側面ヒータ15
はコード状になっておりアルミテープ16に両面テープに
て固着され、保護枠10の上部にアルミテープ16が端部ど
おしで重ならないように巻き付けてある。炊飯用側面ヒ
ータ15はＵ字状に配されており、保護枠10の側面全周の
長さのほぼ２倍の長さになっている。炊飯用側面ヒータ
15の一方の円弧部以外はコードヒータ同士の間隔が狭く
なるようにしてある。Example Hereinafter, one example of the present invention will be described with reference to the accompanying drawings. In FIGS. 1 and 2, a protective frame 10 is fixed to the electric rice cooker body 9 and a pan 11 is detachably stored.
The rice-casting heater 12 has a sheathed heater 13 cast therein, is fixed to the protective frame 10, and is formed so as to be in close contact with the bottom of the pot 11. Heat insulation heater 14 and side heater 15 for rice cooking
Is in the form of a cord and is fixed to the aluminum tape 16 by a double-sided tape, and the aluminum tape 16 is wound on the upper part of the protective frame 10 so that the ends do not overlap each other. The side heater 15 for cooking rice is arranged in a U shape, and has a length that is almost twice the length of the entire circumference of the side surface of the protective frame 10. Side heater for cooking rice
The space between the code heaters is narrowed except for one circular arc portion of 15.
上記構成において、動作を説明すると鍋11内に入れられ
た御飯は鍋11の底部より炊飯用鋳込みヒータ12より加熱
され、側面は炊飯用側面ヒータ15により加熱され、炊飯
が行なわれる。この時、炊飯用側面ヒータ15はＵ字状に
配してあり、従来よりコードヒータの長さが約２倍にな
っているので、発熱面積が大きくなり、発熱量を大きく
してもヒータの温度上昇が小さくなる。In the above structure, the operation will be described. The rice cooked in the pan 11 is heated from the bottom of the pan 11 by the pouring heater 12 for cooking rice, and the side surface is heated by the side heater 15 for cooking rice to cook rice. At this time, the side heater 15 for cooking rice is arranged in a U shape, and the length of the cord heater is about twice as long as that of the conventional one. Therefore, the heating area becomes large and even if the heating value is increased, The temperature rise is small.
このように本発明の実施例の電気炊飯器の加熱装置によ
れば、炊飯用側面ヒータ15をＵ字状に配してあので発熱
量を大きくすることができる。As described above, according to the heating device of the electric rice cooker of the embodiment of the present invention, the side heater 15 for rice cooking is arranged in a U shape, and thus the amount of heat generation can be increased.
また、炊飯側面ヒータ15の一方の円弧部以外はコードヒ
ータ同士の間隔が狭くなるようにしてあるので、ただ単
にＵ字状に配するのに比べてコンパクトな加熱装置が得
られる。Further, since the space between the code heaters is narrowed except for one arc portion of the rice cooking side heater 15, a compact heating device can be obtained as compared with a case where the cord heaters are simply arranged in a U shape.
次に加熱装置の他の実施例について説明する。Next, another embodiment of the heating device will be described.
第３図の実施例では、保温ヒータ17が保護枠の側面全周
より少し長めに巻き付けられるため、第１図の実施例の
ように保護枠にヒータのない部分ができ、加熱が不均一
になり、保温時の保温性能が低下してしまうことがある
が、これを防止する加熱装置が得られる。In the embodiment shown in FIG. 3, since the heat retaining heater 17 is wound a little longer than the entire circumference of the side surface of the protective frame, the protective frame does not have a heater as in the embodiment shown in FIG. In some cases, the heat retention performance at the time of heat retention may decrease, but a heating device that prevents this may be obtained.
発明の効果 以上の実施例から明らかなように本発明によれば、炊飯
用側面ヒータをＵ字状に配し一方の円弧部以外を前記円
弧部よりコード状のヒータの間隔が狭くなるようにして
いるので、発熱量を大きくし、炊飯性能を向上させたコ
ンパクトな電気炊飯器の加熱装置を提供できる。EFFECTS OF THE INVENTION As is apparent from the above embodiments, according to the present invention, the side heaters for cooking rice are arranged in a U shape, and the intervals of the cord-shaped heaters are narrower than the arc portion except for one arc portion. Therefore, it is possible to provide a heating device for a compact electric rice cooker that has a large heat generation amount and improved rice cooking performance.
また本発明は、保温ヒータが保護枠の側面に全周より少
し長く巻き付ける部分と、炊飯用側面ヒータが端部で重
ならないように保護枠の全周より少し短かく巻き付ける
部分とを有しているので、保温時保温ヒータが保護枠の
全周より均一に加熱でき、保温性能のよい電気炊飯器の
加熱装置を提供できる。Further, the present invention has a portion where the heat insulation heater is wound around the side surface of the protective frame for a little longer than the entire circumference, and a portion where the side heater for cooking rice is wound slightly shorter than the entire circumference of the protective frame so as not to overlap at the end. Therefore, the heat retention heater during heat retention can uniformly heat the entire circumference of the protective frame, and a heating device for an electric rice cooker having good heat retention performance can be provided.
第１図は本発明の一実施例における電気炊飯器の加熱装
置を示す一部破断正面図、第２図は同加熱装置を本体に
巻き付ける前の部品平面図、第３図は本発明の他の実施
例を示す加熱装置の要部の拡大図、第４図は従来の電気
炊飯器の加熱装置を示す一部破断正面図である。 ９……本体、10……保護枠、11……鍋、14……保温ヒー
タ、15……炊飯用側面ヒータ。FIG. 1 is a partially cutaway front view showing a heating device for an electric rice cooker according to an embodiment of the present invention, FIG. 2 is a plan view of parts before the heating device is wound around a main body, and FIG. FIG. 4 is an enlarged view of a main part of the heating device showing the embodiment of FIG. 4, and FIG. 4 is a partially cutaway front view showing the heating device of the conventional electric rice cooker. 9 ... Main body, 10 ... Protection frame, 11 ... Pot, 14 ... Heat-retaining heater, 15 ... Side heater for cooking rice.
Claims (2)
収納された鍋と、前記鍋を包み込むように前記本体に取
付けられた保護枠と、前記保護枠の側面に全周に渡り巻
き付けられたコード状の保温ヒータおよび炊飯用側面ヒ
ータを備え、前記炊飯用側面ヒータをＵ字状に配し一方
の円弧部以外を前記円弧部よりコード状のヒータの間隔
が狭くなるようにした電気炊飯器。1. A main body of an electric rice cooker, a pan detachably accommodated in the main body, a protective frame attached to the main body so as to wrap the pan, and a side surface of the protective frame is wrapped around the entire circumference. Electricity provided with a cord-shaped heat retaining heater and a rice-cooking side heater, wherein the rice-cooking side heater is arranged in a U-shape, and the interval between the cord-shaped heaters is narrower than the arc-shaped portion except for one arc portion. rice cooker.
長く巻き付ける部分と、炊飯用側面ヒータが端部で重な
らないように保護枠の全周より少し短かく巻き付ける部
分とを設けた請求項１記載の電気炊飯器。2. The warming heater is provided with a portion wound around the side surface of the protective frame slightly longer than the entire circumference thereof and a portion wound around the protective frame slightly shorter than the entire circumference of the protective frame so that the side surface heaters do not overlap at the ends. The electric rice cooker according to item 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1264398A JPH0749029B2 (en) | 1989-10-11 | 1989-10-11 | Electric rice cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1264398A JPH0749029B2 (en) | 1989-10-11 | 1989-10-11 | Electric rice cooker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03126411A JPH03126411A (en) | 1991-05-29 |
| JPH0749029B2 true JPH0749029B2 (en) | 1995-05-31 |
Family
ID=17402608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1264398A Expired - Lifetime JPH0749029B2 (en) | 1989-10-11 | 1989-10-11 | Electric rice cooker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0749029B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009084766A (en) * | 2007-10-02 | 2009-04-23 | Tokushu Iryo:Kk | Inner cap |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6094114U (en) * | 1983-11-30 | 1985-06-27 | 三洋電機株式会社 | Heat-retaining rice cooker |
-
1989
- 1989-10-11 JP JP1264398A patent/JPH0749029B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03126411A (en) | 1991-05-29 |
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