JPS62112516A - Rice cooker - Google Patents
Rice cookerInfo
- Publication number
- JPS62112516A JPS62112516A JP25334785A JP25334785A JPS62112516A JP S62112516 A JPS62112516 A JP S62112516A JP 25334785 A JP25334785 A JP 25334785A JP 25334785 A JP25334785 A JP 25334785A JP S62112516 A JPS62112516 A JP S62112516A
- Authority
- JP
- Japan
- Prior art keywords
- pot
- inner case
- arcuate
- wall
- rice
- 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
- Cookers (AREA)
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】
［発明の技術分野］
本発明は、鍋を器本体の内ケースにこれの内底部との間
で所定の空間が形成される様に配置し且つこの空間にヒ
ータを位置させた構造の炊飯器に関する。Detailed Description of the Invention [Technical Field of the Invention] The present invention provides a method for arranging a pot in an inner case of a container body so that a predetermined space is formed between the pot and the inner bottom of the pot, and installing a heater in this space. The present invention relates to a rice cooker having a positioned structure.
［発明の技術的背景とその問題点コ
従来の炊飯器の一例を第３図を参照して説明するに、同
図において、１は内ケースで、その内底部にはヒータ２
が配設されている。３は鍋で、これは内ケースｌの内部
に配置されており、この場合、この鍋３の外底部と内ケ
ース１の内底部との間に空間部が形成されると共に、鍋
３の外周部と内ケース１の内周部との間にも上記空間部
と連通ずる空間部が形成される様になっている。而して
、この炊飯器において、炊飯時には、ヒータ２からの熱
が輻射によって鍋３に与えられると共に、上記空間部を
通しての熱伝達によって鍋３に与えられ、これによって
、鍋３に収容された米及び水が加熱されて炊飯が行なわ
れる。[Technical background of the invention and its problems] An example of a conventional rice cooker will be explained with reference to FIG.
is installed. Reference numeral 3 denotes a pot, which is placed inside the inner case 1. In this case, a space is formed between the outer bottom of the pot 3 and the inner bottom of the inner case 1, and the outer periphery of the pot 3 is A space communicating with the above-mentioned space is also formed between this part and the inner peripheral part of the inner case 1. In this rice cooker, when cooking rice, heat from the heater 2 is given to the pot 3 by radiation and is also given to the pot 3 by heat transfer through the space, so that the rice contained in the pot 3 Rice and water are heated and cooked.
ところが、このものでは、鍋３をその外面全体にて加熱
することから、全体的にはふっくらとした御飯ができる
とはいうものの、鍋３の周壁からの加熱量が比較的多く
、鍋３内の炊飯温度が、周辺部Ｂ′では高く、中央部Ａ
′では低いという傾向にあるため、炊飯むらが少なから
ず生じ、炊飯の良好さに欠け、又、炊き上がり状態で御
飯の上面が中央部分で低く周辺部分で高くなってしまい
、商品価値がやや低いという問題があった。又、ヒータ
２からの熱が空間部から」一方へ漏洩するという熱ロス
の問題もあった。However, with this method, since the entire outer surface of the pot 3 is heated, although the rice is fluffy overall, the amount of heating from the peripheral wall of the pot 3 is relatively large, and the inside of the pot 3 is heated. The cooking temperature is high in the peripheral area B' and in the central area A.
′ tends to be low, which causes some uneven cooking and lacks the quality of the rice.Also, when the rice is cooked, the top surface of the rice is low in the center and high in the periphery, resulting in a slightly low product value. There was a problem. Furthermore, there was also the problem of heat loss in that the heat from the heater 2 leaked from the space to one side.
斯様な問題を解決すべくなされたものとして実開昭５５
−４７５１号公報に示された炊飯器があるが、このもの
では、炊飯むらをやや緩和できると共に熱ロスを少なく
し得るものの、ふっくらした御飯ができず、炊飯の良好
さに欠け、又、炊飯時間も長くなる傾向にあった。この
原因は、鍋の周壁からの加熱作用が大きく低下すること
と、鍋の底壁における空間部が小さくて加熱範囲が小さ
くしかもヒータが鍋の平坦底壁に対応することにより加
熱むらが生じることに有ると考えられる。It was developed in 1977 to solve such problems.
There is a rice cooker disclosed in Publication No. 4751, but although this rice cooker can somewhat reduce uneven rice cooking and reduce heat loss, it does not produce fluffy rice and lacks good quality of rice cooking. The time also tended to be longer. The cause of this is that the heating effect from the peripheral wall of the pot is greatly reduced, and the heating range is small due to the small space on the bottom wall of the pot, and uneven heating occurs because the heater corresponds to the flat bottom wall of the pot. It is thought that there is.
［発明の目的］
本発明の目的は、良好な御飯ができ、しかも熱ロスを少
なくし得る炊飯器を提供するにある。[Object of the Invention] An object of the present invention is to provide a rice cooker that can make good rice and reduce heat loss.
［発明の概要］
本発明は、内ケースを、有底円筒状をなして周壁におけ
る上部が上部に対して若干径小て且つ円弧状段部を介し
て連続する様に形成し、この内ケースの内部に配置され
る鍋を、有底円筒状をなして底壁から周壁にかけて連続
する円弧壁部を釘する様に形成して、この鍋の配置状態
でその円弧壁部の周壁側の部位が円弧状段部と全周にお
いて接する形態となる様にし、環状のヒータを内ケース
の前記円弧壁部の下方に位置して設ける構成とすること
により、鍋に対して良好な加熱作用を与えることができ
る共に、熱ロスも少なくできる様にしたものである。[Summary of the Invention] The present invention provides an inner case in which the inner case is formed into a cylindrical shape with a bottom, the upper part of the peripheral wall has a slightly smaller diameter than the upper part, and is continuous through an arcuate step. The pot to be placed inside is formed into a cylindrical shape with a bottom and has a continuous arc wall part from the bottom wall to the peripheral wall, and when the pot is placed, the part on the circumferential wall side of the arc wall part. is in contact with the arcuate stepped portion on its entire circumference, and the annular heater is positioned below the arcuate wall portion of the inner case, thereby providing a good heating effect to the pot. This makes it possible to reduce heat loss as well as reduce heat loss.
［発明の実施例コ
以下本発明の一実施例につき第１図及び第２図を参照し
て説明する。まず、第１図において、１１は器本体で、
これは、下部に底板１２ａを有した外ケース１２と、内
ケース１３と、これら両ケース１２．１３の上端を連結
する環状の枠１４と、両ケース１２．１３間に配設され
た断熱体１５２から成り、内ケース１３により器本体１
１の内面を構成している。上記内ケース１３は、全体と
して有底円筒状をなしており、その周壁の下部は」一部
に対して若干径小で且つ円弧状段部１３ａを介して連続
する様に形成されている。１６は器本体１１の内ケース
１３の内部に配置された鍋で、これは全体して有底円筒
状をなして底壁から周壁にかけて連続する円弧壁部１６
ａを有する様に形成されている。この場合、内ケース１
３と鍋１６との関係高さ寸法及び関係径寸法を所定に設
定することで、鍋１６の配置状態において内ケース１３
の内底面との間で空間部１７を形成し且つ円弧壁部１６
ａの周壁側の部位が前記円弧状段部１３ａの端縁と全周
にて接する様になっている。１８は環状をなすヒータで
、これは、内ケース１３の内底部に前記鍋１６の円弧壁
部１６ａの下方に位置する様に碍子１９を介して配設さ
れている。このヒータ１８は、円弧壁部１６ａ自体が鍋
１６の周壁寄りの下部に形成されているから、比較的径
大に設定されていて鍋１６の底壁の外周帯りに有する。[Embodiment of the Invention] An embodiment of the invention will be described below with reference to FIGS. 1 and 2. First, in Figure 1, 11 is the main body of the vessel,
This consists of an outer case 12 with a bottom plate 12a at the bottom, an inner case 13, an annular frame 14 connecting the upper ends of both cases 12.13, and a heat insulator disposed between both cases 12.13. 152, the inner case 13 connects the main body 1
It constitutes the inner surface of 1. The inner case 13 has a bottomed cylindrical shape as a whole, and the lower part of its peripheral wall is formed so as to have a slightly smaller diameter than a part thereof and to be continuous through an arcuate stepped portion 13a. Reference numeral 16 denotes a pot disposed inside the inner case 13 of the main body 11, which has a cylindrical shape with a bottom as a whole and has an arcuate wall portion 16 that is continuous from the bottom wall to the peripheral wall.
It is formed to have a. In this case, inner case 1
By setting the relative height dimension and relative diameter dimension between 3 and the pot 16 to predetermined values, the inner case 13
A space portion 17 is formed between the inner bottom surface of the circular arc wall portion 16
The peripheral wall side portion of a is in contact with the edge of the arcuate stepped portion 13a over the entire circumference. Reference numeral 18 denotes an annular heater, which is disposed at the inner bottom of the inner case 13 via an insulator 19 so as to be located below the arcuate wall portion 16a of the pot 16. Since the arcuate wall portion 16a itself is formed at the lower part of the pot 16 near the circumferential wall, the heater 18 has a relatively large diameter and is provided along the outer periphery of the bottom wall of the pot 16.
尚、２０は内蓋、２１は外蓋、２２は感熱部、２３は炊
飯スイッチである。In addition, 20 is an inner lid, 21 is an outer lid, 22 is a heat sensitive part, and 23 is a rice cooking switch.
上記構成において、本発明者が炊飯試験をした結果、鍋
１６の中央部Ａと周辺部Ｂとにおける温度特性は、第２
図に示す如くとなった。即ち、鍋１６の中央部Ａの温度
特性を示す特性線ａと第４図に示した従来における中央
部Ａでの特性線ａ′との比較から分る様に、本実施例に
おける鍋１６中央部Ａでの温度は、従来のそれに比して
高くなり、又、鍋１６周辺部Ｂの温度特性を示す特性線
すと従来における周辺部Ｂでの特性線ｂ′との比較から
分る様に、本実施例における鍋１６周辺部の温度は、従
来のそれよりも若干低いが略近似している。而して、本
実施例によれば、鍋１６中央部Ａと周辺部Ｂとの温度差
が従来に比して小となり、しかも、その全体的温度も高
くなる。斯かる温度特性を得ることができた理由は、鍋
１６の底壁の周縁に円弧壁部１６ａを形成し、この円弧
壁部１６ａの下方にヒータ１８を配置する構成としたこ
とでヒータ１８自体を径大にすると共にヒータ１８がこ
の円弧壁部１６ａに輻射熱を照射すること、又、円弧壁
部１６ａの周壁側の部位を内ケース１３の円弧状段部１
３ａと全周にて接する様にしたので、空間部１７を広域
化できること及びこの空間部１７がその円弧壁部１６ａ
部分でせりあがる形状となることの相乗作用により、鍋
１６に対する下方からの加熱作用が均一化すると共にヒ
〜り１８からの熱が過不足なく鍋１６の周壁に作用する
からと考えられる。この結果、炊飯温度が鍋１６の内部
において略均−となり、炊飯むらかなくしかもふっくら
とした御飯を炊き上げることができ、又、熱ロスも少な
くその分炊飯温度の立上がりも速く、よって炊飯時間の
短縮化にも大いに寄Ｉテてきる。In the above configuration, as a result of a rice cooking test conducted by the present inventor, the temperature characteristics at the center part A and the peripheral part B of the pot 16 are as follows.
The result is as shown in the figure. That is, as can be seen from the comparison between the characteristic line a showing the temperature characteristics of the center part A of the pot 16 and the conventional characteristic line a' at the center part A shown in FIG. The temperature in part A is higher than that in the conventional case, and as can be seen from the comparison of the characteristic line showing the temperature characteristics of the peripheral part B of the pot 16 with the characteristic line b' in the peripheral part B in the past. Furthermore, the temperature around the pot 16 in this embodiment is slightly lower than that of the conventional one, but is approximately similar. According to this embodiment, the temperature difference between the central part A and the peripheral part B of the pot 16 becomes smaller than in the conventional case, and the overall temperature also becomes higher. The reason why we were able to obtain such temperature characteristics is that the arcuate wall portion 16a is formed at the periphery of the bottom wall of the pot 16, and the heater 18 is arranged below the arcuate wall portion 16a. At the same time, the heater 18 irradiates radiant heat to the arcuate wall portion 16a, and the portion on the peripheral wall side of the arcuate wall portion 16a is connected to the arcuate stepped portion 1 of the inner case 13.
3a on the entire circumference, the space 17 can be made wider and this space 17 is in contact with the arcuate wall 16a.
It is thought that due to the synergistic effect of the raised shape in some parts, the heating effect from below on the pot 16 becomes uniform, and the heat from the heater 18 acts on the circumferential wall of the pot 16 in just the right amount. As a result, the rice cooking temperature becomes approximately uniform inside the pot 16, making it possible to cook rice evenly and fluffy.Furthermore, there is less heat loss, and the rice cooking temperature rises quickly, thus reducing the cooking time. It also greatly contributes to shortening the time period.
［発明の効果］
本発明は以上の記述から明らかな様に、器本体の内面を
構成するものであって有底円筒状をなし周壁における下
部が上部に対して若干径小で且つ円弧状段部を介して連
続する様に形成された内ケースと、有底円筒状をなし底
壁から周壁にかけて連続する円弧壁部を有する様に形成
され前記内ケースの内部に該内ケースの内底部との間に
所定の空間を形成しロ一つ円弧壁部における周壁側の部
位が前記内ケースの円弧状段部の端縁と全周にて接する
様に配置された鍋と、前記内ケースの内底部に前記円弧
壁部の下ノＪ゛に位置して設けられた環状のヒータとを
具備して成るものであり、これにて、炊飯むらがなくし
かもふっくらとした御飯を炊き上げることができ、さら
に熱ロスも少なくてきて炊飯時間の短縮化及び消費電力
の低減化′：９に寄Ｉｊできるという優れた効果を奏す
る。[Effects of the Invention] As is clear from the above description, the present invention constitutes the inner surface of the container body, which has a cylindrical shape with a bottom, the lower part of the peripheral wall has a slightly smaller diameter than the upper part, and has circular steps. an inner case formed so as to be continuous through the inner case; a pan, which is arranged such that a predetermined space is formed between the two, and a portion of the arcuate wall portion on the peripheral wall side is in contact with the edge of the arcuate stepped portion of the inner case over the entire circumference; The inner bottom part is equipped with an annular heater located at the lower part of the arcuate wall, and with this, it is possible to cook rice evenly and fluffy. Furthermore, heat loss is reduced, resulting in an excellent effect of shortening rice cooking time and reducing power consumption.
第１図及び第２図は本発明の一実施例を示し、第１図は
全体の縦断側面図、第２図は本実施例の温度特性を従来
との比較で示す温度特性図である。
そして第３図は従来例を示す全体の縦断側面図である。
図中、１１は器本体、１２は外ケース、１３は内ケース
、１３ａは円弧状段部、１６は鍋、１６ａは円弧壁部、
１７は空間部、１８はヒータである。
第１図
第２図1 and 2 show one embodiment of the present invention, FIG. 1 is a longitudinal sectional side view of the whole, and FIG. 2 is a temperature characteristic diagram showing the temperature characteristics of this embodiment in comparison with a conventional one. FIG. 3 is an overall longitudinal sectional side view showing a conventional example. In the figure, 11 is the container body, 12 is the outer case, 13 is the inner case, 13a is the arcuate step, 16 is the pot, 16a is the arcuate wall,
17 is a space, and 18 is a heater. Figure 1 Figure 2
Claims (1)
なし周壁における下部が上部に対して若干径小で且つ円
弧状段部を介して連続する様に形成された内ケースと、
有底円筒状をなし底壁から周壁にかけて連続する円弧壁
部を有する様に形成され前記内ケースの内部に該内ケー
スの内底部との間に所定の空間を形成し且つ円弧壁部に
おける周壁側の部位が前記内ケースの円弧状段部の端縁
と全周にて接する様に配置された鍋と、前記内ケースの
内底部に前記円弧壁部の下方に位置して設けられた環状
のヒータとを具備して成る炊飯器。1. An inner case that constitutes the inner surface of the vessel body and is shaped like a cylinder with a bottom, the lower part of the peripheral wall is slightly smaller in diameter than the upper part, and is continuous through an arcuate step;
It is formed in a cylindrical shape with a bottom and has an arcuate wall part continuous from the bottom wall to the peripheral wall, and a predetermined space is formed inside the inner case between the inner bottom part of the inner case and the peripheral wall in the arcuate wall part. a pan disposed so that its side portion touches the edge of the arcuate stepped portion of the inner case on its entire circumference; and an annular pan provided at the inner bottom of the inner case below the arcuate wall portion. A rice cooker that is equipped with a heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60253347A JPH0740987B2 (en) | 1985-11-12 | 1985-11-12 | rice cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60253347A JPH0740987B2 (en) | 1985-11-12 | 1985-11-12 | rice cooker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62112516A true JPS62112516A (en) | 1987-05-23 |
| JPH0740987B2 JPH0740987B2 (en) | 1995-05-10 |
Family
ID=17250062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60253347A Expired - Lifetime JPH0740987B2 (en) | 1985-11-12 | 1985-11-12 | rice cooker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0740987B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0664488U (en) * | 1991-05-22 | 1994-09-13 | 利一 坂東 | Commercial rice container |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS554751U (en) * | 1978-06-23 | 1980-01-12 | ||
| JPS60148516A (en) * | 1984-01-12 | 1985-08-05 | 株式会社日立ホームテック | Electric kettle |
| JPS60116924U (en) * | 1984-01-12 | 1985-08-07 | 株式会社日立ホームテック | Electric pot |
-
1985
- 1985-11-12 JP JP60253347A patent/JPH0740987B2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS554751U (en) * | 1978-06-23 | 1980-01-12 | ||
| JPS60148516A (en) * | 1984-01-12 | 1985-08-05 | 株式会社日立ホームテック | Electric kettle |
| JPS60116924U (en) * | 1984-01-12 | 1985-08-07 | 株式会社日立ホームテック | Electric pot |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0664488U (en) * | 1991-05-22 | 1994-09-13 | 利一 坂東 | Commercial rice container |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0740987B2 (en) | 1995-05-10 |
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