JPH09192012A - Rice cooker for business use - Google Patents
Rice cooker for business useInfo
- Publication number
- JPH09192012A JPH09192012A JP878296A JP878296A JPH09192012A JP H09192012 A JPH09192012 A JP H09192012A JP 878296 A JP878296 A JP 878296A JP 878296 A JP878296 A JP 878296A JP H09192012 A JPH09192012 A JP H09192012A
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- cooking
- boiling
- rice
- 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.)
- Granted
Links
Landscapes
- Commercial Cooking Devices (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、電磁誘導による炊飯の
加熱シーケンスを有する、主として業務用の炊飯器に関
するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rice cooker mainly for business use, which has a heating sequence for cooking rice by electromagnetic induction.
【０００２】[0002]
【従来の技術】従来の炊飯器は、例えば特開平６−１３
３８４９号公報に示すごとく、本体に収納される内釜
と、この内釜を加熱する誘導加熱コイルと、内釜の底面
に密着させ内釜の温度を検出する温度センサーと、炊飯
の加熱シーケンスを制御する制御部とを備え、電磁誘導
により内釜を加熱し炊飯するものであり、加熱炊飯によ
り温度センサーの検出温度がドライアップに対応するド
ライアップ制御温度に達した時点で内釜の加熱を減ら
し、むらし工程に切り換えていた。2. Description of the Related Art A conventional rice cooker is disclosed in, for example, Japanese Patent Laid-Open No. 6-13.
As shown in Japanese Patent No. 3849, an inner pot to be housed in the main body, an induction heating coil for heating the inner pot, a temperature sensor for closely detecting the temperature of the inner pot and a heating sequence for cooking rice are provided. It is equipped with a control unit to control and heats the inner pot by electromagnetic induction to cook rice.The heating of the inner pot is started when the temperature detected by the temperature sensor reaches the dry-up control temperature corresponding to dry-up. I reduced the number and switched to the purging process.
【０００３】[0003]
【発明が解決しようとする課題】大容量の炊飯を行う業
務用炊飯器では、大型の内釜の外側底面に発熱層を設
け、これに高出力を実現させる加熱コイルを組み合わせ
て、この加熱コイルで内釜底面を加熱するもので、通電
と同時に内釜底面の温度が上昇し、それに遅れて内釜内
の被加熱物の温度が上昇する。DISCLOSURE OF THE INVENTION In a commercial rice cooker that cooks large amounts of rice, a heating layer is provided on the outer bottom surface of a large inner pot, and a heating coil that realizes high output is combined with this heating coil. The bottom surface of the inner pot is heated with, and the temperature of the bottom surface of the inner pot rises simultaneously with the energization, and the temperature of the object to be heated in the inner pot rises after that.
【０００４】また、おいしいご飯を炊くためには内釜内
の被加熱物（米＋水）を高出力で加熱し沸騰させた後、
適度な出力で適度な時間、沸騰を維持させる必要があ
る。しかしながら、米の種類、産地、毎年の米の出来具
合等により、前記の沸騰を維持させる時間や、その制御
温度は変わってくる。さらに、食感は人それぞれ異なっ
ており、使用者の求める炊き上がりに一致せぬことの方
が多かった。In addition, in order to cook delicious rice, the object to be heated (rice + water) in the inner pot is heated at a high output and boiled,
It is necessary to maintain boiling at a suitable output for a suitable time. However, the time for maintaining the boiling point and the control temperature thereof vary depending on the type of rice, the production area, and the quality of rice produced each year. Furthermore, the texture of each person was different, and it was often the case that the texture did not match the cooked taste desired by the user.
【０００５】そこで本発明は米の種類や使用者の好みに
より炊き上げ具合を調整出来る炊飯器を提供することを
目的とする。Therefore, an object of the present invention is to provide a rice cooker capable of adjusting the cooked condition according to the type of rice and the preference of the user.
【０００６】[0006]
【課題を解決するための手段】本発明は、上述の課題を
解決するためになされたものであり、炊飯器の本体に収
納される内釜と、この内釜を加熱する誘導加熱コイル
と、内釜の温度を検出する温度センサーと、炊飯メニュ
ー等を入力する操作部と、炊飯の加熱シーケンスを制御
する制御部とを備え、電磁誘導により内釜を加熱し炊飯
する業務用炊飯器において、操作部に使用者が任意に加
熱沸騰させるための沸騰制御温度および沸騰維持させる
ための沸騰維持時間を設定出来る炊き上げ調整モード設
定手段を設け、制御部に炊飯開始し温度センサーの検出
温度が沸騰制御温度に到達後沸騰維持時間の間温度セン
サーの検出温度を沸騰制御温度に保つよう電力制御を行
い、沸騰維持時間経過後に任意の電力にて加熱を行い温
度センサーの検出温度がドライアップに対応するドライ
アップ制御温度になった時点でむらし工程に移行する炊
飯の加熱シーケンスを備えた。The present invention has been made in order to solve the above-mentioned problems, and an inner pot housed in the body of a rice cooker and an induction heating coil for heating the inner pot, In a commercial rice cooker that includes a temperature sensor that detects the temperature of the inner pot, an operation unit that inputs a rice cooking menu, and a control unit that controls the heating sequence of the rice cooker, and heats the inner pot by electromagnetic induction to cook rice, The operation part is equipped with a cooking adjustment mode setting means that can set the boiling control temperature for the user to arbitrarily heat and boil and the boiling maintenance time to maintain boiling, and the control unit starts cooking rice and the temperature detected by the temperature sensor boils. After reaching the control temperature, power control is performed to keep the temperature detected by the temperature sensor at the boiling control temperature during the boiling maintenance time, and heating is performed with arbitrary power after the boiling maintenance time elapses, and the temperature detected by the temperature sensor is detected. There was a heating sequence of cooking to shift to step steaming when it becomes dry up control temperature corresponding to a dry-up.
【０００７】また、操作部の炊き上げ調整モード設定手
段を炊き上げ調整キーと、時刻合わせキーと、時刻表示
ランプとで構成し、炊き上げ調整キーにて炊き上げ調整
モード工程とし、時刻表示ランプに表示させながら、時
刻合わせキーにて沸騰制御温度および沸騰維持時間を調
整するものとした。In addition, the cooking adjustment mode setting means of the operation unit is composed of a cooking adjustment key, a time setting key, and a time display lamp. The boiling control temperature and the boiling maintaining time are adjusted with the time adjustment key while being displayed.
【０００８】[0008]
【作用】上述のような構成にしたことにより、炊き上げ
調整キーにて炊き上げ調整モード工程とし、時刻表示ラ
ンプに表示させながら、時刻合わせキーにて使用者が求
める炊き上がりとなるよう沸騰制御温度および沸騰維持
時間を調整すると、制御部の加熱シーケンスに従い、炊
飯開始し温度センサーの検出温度がこの沸騰制御温度に
到達後、調整した沸騰維持時間の間温度センサーの検出
温度を沸騰制御温度に保つよう電力制御を行い、沸騰維
持時間経過後に任意の電力にて加熱を行い温度センサー
の検出温度がドライアップ制御温度になった時点でむら
し工程に移行する。With the above-described structure, the cooking adjustment mode step is performed by the cooking adjustment key, and the boiling control is performed so that the user can make the desired cooking with the time setting key while displaying it on the time display lamp. When the temperature and boiling maintenance time are adjusted, the rice is started according to the heating sequence of the control unit, and after the temperature detected by the temperature sensor reaches this boiling control temperature, the temperature detected by the temperature sensor is adjusted to the boiling control temperature during the adjusted boiling maintenance time. The power is controlled so as to maintain the temperature, and heating is performed with arbitrary power after the boiling maintaining time has elapsed, and when the temperature detected by the temperature sensor reaches the dry-up control temperature, the unevenness process is performed.
【０００９】[0009]
【実施例】以下本発明の一実施例を図面を参照しながら
説明する。図１は本発明の一実施例を施した業務用炊飯
器の外観斜視図であり、図２は同じく、正面断面図であ
り、図３は同じく、右側面断面図であり、図４は同じ
く、操作部を表す正面図であり、図５は同じく、加熱シ
ーケンスを説明するための温度特性曲線である。An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is an external perspective view of a commercial rice cooker according to an embodiment of the present invention, FIG. 2 is a front sectional view of the same, FIG. 3 is a right sectional view of the same, and FIG. 4 is the same. FIG. 5 is a front view showing the operating portion, and FIG. 5 is a temperature characteristic curve for explaining the heating sequence.
【００１０】図において、１はステンレス板よりなる業
務用炊飯器の本体、２は被調理物を入れて加熱調理を行
う内釜であり、内釜２は外側底面に電磁誘導により発熱
可能な発熱層を設けたアルミ製である。３は内釜２の下
方に設けられ内釜２を誘導加熱する誘導加熱コイルであ
る。４は温度センサーであり、誘導加熱コイル３の中央
部に孔を開けスプリングによりその孔より突出させて内
釜２の底面に密着させて温度を検出するものである。In the figure, reference numeral 1 is a main body of a commercial rice cooker made of stainless steel plate, 2 is an inner pot for putting cooked food and cooking, and the inner pot 2 has a heat generation capable of generating heat on the outer bottom surface by electromagnetic induction. It is made of aluminum with layers. Reference numeral 3 denotes an induction heating coil provided below the inner pot 2 for inductively heating the inner pot 2. Reference numeral 4 is a temperature sensor, which detects a temperature by opening a hole in the central portion of the induction heating coil 3 and causing it to protrude from the hole by a spring so as to be in close contact with the bottom surface of the inner pot 2.
【００１１】５は内釜２の上面開口部を塞ぐための蓋、
６は本体１前面に設けられた扉であり、この扉６を開け
ハンドルを手前に引くと内釜２が前方手前にレールに沿
って引き出すことが出来る。７は本体１に設けられた操
作部であり、８は操作部７のＳＷ入力や温度センサー４
の温度検出や誘導加熱コイル３の通電等を制御する制御
部である。本体底部には誘導加熱コイル３やインバータ
を冷却するための冷却ファンが設けられている。Reference numeral 5 denotes a lid for closing the upper opening of the inner pot 2.
Reference numeral 6 denotes a door provided on the front surface of the main body 1. When the door 6 is opened and the handle is pulled to the front, the inner hook 2 can be pulled out along the rail toward the front. Reference numeral 7 is an operation unit provided on the main body 1, and 8 is a SW input of the operation unit 7 and a temperature sensor 4
Is a control unit that controls the temperature detection of the device, the energization of the induction heating coil 3, and the like. At the bottom of the main body, a cooling fan for cooling the induction heating coil 3 and the inverter is provided.
【００１２】操作部７を拡大表示した図４において、炊
き上げ調整キー９と、時刻合わせキー１０と、時刻表示
ランプ１１とで炊き上げ調整モード設定手段１２を構成
し、炊き上げ調整キー９にて炊き上げ調整モードと称す
る工程とし、時刻表示ランプ１１に表示させながら、時
刻合わせキー１０にて沸騰制御温度Ｔ１および沸騰維持
時間Ｈ１を調整する。In FIG. 4, which is an enlarged view of the operating section 7, the cooking adjustment key 9, the time setting key 10 and the time display lamp 11 constitute cooking adjustment mode setting means 12, which is used as the cooking adjustment key 9. In the process called the cooking adjustment mode, the boiling control temperature T1 and the boiling maintaining time H1 are adjusted with the time adjustment key 10 while the time display lamp 11 is displaying.
【００１３】以上の構成において、炊飯の加熱シーケン
スは制御部８内に設けられたマイクロコンピュータによ
って行われ、内釜２は底面の発熱層で誘導加熱コイル３
により加熱され、内釜２内の米と水が加熱され、本実施
例による業務用炊飯器の出力電力は５００Ｗから５ＫＷ
までの１０段階の制御が出来るものである。In the above structure, the heating sequence for cooking rice is performed by the microcomputer provided in the control section 8, and the inner pot 2 is the bottom heating layer and the induction heating coil 3 is provided.
The rice and water in the inner pot 2 are heated by the heating device, and the output power of the commercial rice cooker according to the present embodiment is 500 W to 5 KW.
Up to 10 steps can be controlled.
【００１４】次に上記のように構成した本実施例の動作
を説明する。内釜２内に米と水を規定量入れ、本体１に
収納し、扉６を閉めて、操作部７上の炊飯メニューを選
択し、まず、操作部７に設けた炊き上げ調整モード設定
手段１２の炊き上げ調整キー９を１回押し炊き上げ調整
モードとし、沸騰制御温度Ｔ１を時刻表示ランプ１１に
表示させ、時刻合わせキー１０にて使用者の好みに合わ
せて沸騰制御温度Ｔ１を上下に調整出来、また同様に炊
き上げ調整キー９を２回押し、沸騰維持時間Ｈ１を時刻
表示ランプ１１に表示させ、時刻合わせキー１０にて沸
騰維持時間Ｈ１を上下に調整でき、再度炊き上げ調整キ
ー９を押すと、炊き上げ調整モードが終了する。Next, the operation of this embodiment configured as described above will be described. A specified amount of rice and water is put in the inner pot 2, stored in the main body 1, the door 6 is closed, and the rice cooking menu on the operation unit 7 is selected. First, the cooking adjustment mode setting means provided in the operation unit 7. The cooking adjustment key 9 of 12 is pressed once to enter the cooking adjustment mode, the boiling control temperature T1 is displayed on the time display lamp 11, and the boiling control temperature T1 is increased or decreased according to the user's preference with the time adjustment key 10. It can be adjusted. Similarly, the boiling adjustment key 9 is pressed twice to display the boiling maintenance time H1 on the time display lamp 11, and the boiling adjustment time H1 can be adjusted up and down with the time adjustment key 10, and the cooking adjustment key is adjusted again. Pressing 9 ends the cooking adjustment mode.
【００１５】次に、炊飯開始スイッチを操作すると、炊
飯の加熱シーケンスにそって制御部８によって誘導加熱
コイル３を駆動しパワー制御される。まず、５ＫＷの最
大電力にて誘導加熱コイル３に通電させる。これによっ
て、図５に示すごとく温度センサー４の温度が上昇し、
遅れて米の温度が上昇する。やがて温度センサー４の温
度は沸騰制御温度Ｔ１（１１０℃）に到達する。沸騰制
御温度Ｔ１に到達後は沸騰制御温度Ｔ１に保つように出
力を調整し、沸騰維持時間Ｈ１を経過した後に、ドライ
アップに対応するドライアップ制御温度Ｔ２になるまで
任意の出力にて加熱し、その後出力を停止させ、むらし
工程を経て炊飯を終了しおいしいご飯が出来上がる。Next, when the rice-cooking start switch is operated, the control section 8 drives the induction heating coil 3 in accordance with the heating sequence of the rice-cooking to control the power. First, the induction heating coil 3 is energized with a maximum power of 5 KW. As a result, the temperature of the temperature sensor 4 rises as shown in FIG.
The temperature of rice rises later. Eventually, the temperature of the temperature sensor 4 reaches the boiling control temperature T1 (110 ° C.). After reaching the boiling control temperature T1, the output is adjusted so as to be maintained at the boiling control temperature T1, and after the boiling maintaining time H1, the heating is performed at an arbitrary output until the dry-up control temperature T2 corresponding to the dry-up is reached. After that, the output is stopped, the rice is cooked through the purging process, and delicious rice is completed.
【００１６】[0016]
【発明の効果】本発明によれば、操作部に使用者が任意
に加熱沸騰させるための沸騰制御温度および沸騰維持さ
せるための沸騰維持時間を設定出来る炊き上げ調整モー
ド設定手段を設け、制御部に炊飯開始し温度センサーの
検出温度が沸騰制御温度に到達後沸騰維持時間の間温度
センサーの検出温度を沸騰制御温度に保つよう電力制御
を行い、沸騰維持時間経過後に任意の電力にて加熱を行
い温度センサーの検出温度がドライアップに対応するド
ライアップ制御温度になった時点でむらし工程に移行す
る炊飯の加熱シーケンスを備えたから、米の種類、産
地、毎年の米の出来具合や人の食感に合うように、沸騰
を維持させる時間や、その制御温度を変えて、使用者の
求める炊き上がりに一致するように炊き上げ具合を調整
出来る業務用炊飯器が提供できる。According to the present invention, the operating section is provided with a cooking adjustment mode setting means capable of setting a boiling control temperature for the user to arbitrarily heat and boil and a boiling maintaining time for maintaining the boiling, and the control section After starting the rice cooking and the temperature detected by the temperature sensor reaches the boiling control temperature, power control is performed to keep the temperature detected by the temperature sensor at the boiling control temperature during the boiling maintaining time, and heating is performed with arbitrary power after the boiling maintaining time elapses. The heating sequence of the cooked rice that shifts to the mulling process when the temperature detected by the temperature sensor reaches the dry-up control temperature that corresponds to dry-up is provided. A commercial rice cooker that can adjust the cooked condition to match the cookedness desired by the user by changing the time to keep boiling and the control temperature to match the texture It can be provided.
【図１】本発明の一実施例を施した業務用炊飯器の外観
斜視図である。FIG. 1 is an external perspective view of a commercial rice cooker according to an embodiment of the present invention.
【図２】同じく、正面断面図である。FIG. 2 is also a front sectional view.
【図３】同じく、右側面断面図である。FIG. 3 is likewise a right side sectional view.
【図４】同じく、操作部を表す正面図である。FIG. 4 is likewise a front view showing an operation unit.
【図５】同じく、加熱シーケンスを説明するための温度
特性曲線である。FIG. 5 is also a temperature characteristic curve for explaining the heating sequence.
４ 温度センサー ７ 操作部 ８ 制御部 ９ 炊き上げ調整キー １０ 時刻合わせキー １１ 時刻表示ランプ １２ 炊き上げ調整モード設定手段 Ｔ１ 沸騰制御温度 Ｔ２ ドライアップ制御温度 Ｈ１ 沸騰維持時間 4 Temperature sensor 7 Operation part 8 Control part 9 Cooking adjustment key 10 Time adjustment key 11 Time display lamp 12 Cooking adjustment mode setting means T1 Boiling control temperature T2 Dry-up control temperature H1 Boiling maintenance time
Claims (2)
熱する誘導加熱コイルと、内釜の温度を検出する温度セ
ンサーと、炊飯メニュー等を入力する操作部と、炊飯の
加熱シーケンスを制御する制御部とを備え、電磁誘導に
より内釜を加熱し炊飯する業務用炊飯器において、前記
操作部（７）に使用者が任意に加熱沸騰させるための沸
騰制御温度（Ｔ１）および沸騰維持させるための沸騰維
持時間（Ｈ１）を設定出来る炊き上げ調整モード設定手
段（１２）を設け、前記制御部（８）は炊飯開始し温度
センサー（４）の検出温度が前記沸騰制御温度（Ｔ１）
に到達後前記沸騰維持時間（Ｈ１）の間温度センサー
（４）の検出温度を沸騰制御温度（Ｔ１）に保つよう電
力制御を行い、沸騰維持時間（Ｈ１）経過後に任意の電
力にて加熱を行い温度センサー（４）の検出温度がドラ
イアップに対応するドライアップ制御温度（Ｔ２）にな
った時点でむらし工程に移行する炊飯の加熱シーケンス
を備えたものとしたことを特徴とする業務用炊飯器。1. An inner pot to be housed in the main body, an induction heating coil for heating the inner pot, a temperature sensor for detecting the temperature of the inner pot, an operation section for inputting a rice cooking menu, and a heating sequence for cooking rice. In a commercial rice cooker that heats an inner pot by electromagnetic induction to cook rice, a boiling control temperature (T1) and boiling for allowing the user to arbitrarily heat and boil the operating portion (7). A cooking adjustment mode setting means (12) capable of setting a boiling maintenance time (H1) for maintaining the cooking temperature is provided, and the control unit (8) starts cooking rice and the temperature detected by the temperature sensor (4) is the boiling control temperature (T1). )
After reaching the temperature, the electric power is controlled so that the temperature detected by the temperature sensor (4) is kept at the boiling control temperature (T1) during the boiling maintaining time (H1), and after the boiling maintaining time (H1) elapses, heating is performed with arbitrary power. It is equipped with a heating sequence for cooking rice that shifts to the Murashi process when the temperature detected by the temperature sensor (4) reaches the dry-up control temperature (T2) that corresponds to dry-up. rice cooker.
設定手段（１２）を炊き上げ調整キー（９）と、時刻合
わせキー（１０）と、時刻表示ランプ（１１）とで構成
し、炊き上げ調整キー（９）にて炊き上げ調整モード工
程とし、時刻表示ランプ（１１）に表示させながら、時
刻合わせキー（１０）にて前記沸騰制御温度（Ｔ１）お
よび沸騰維持時間（Ｈ１）を調整するものとした請求項
１記載の業務用炊飯器。2. The cooking adjustment mode setting means (12) of the operation section (7) is composed of a cooking adjustment key (9), a time setting key (10) and a time display lamp (11), The cooking adjustment mode step is performed with the cooking adjustment key (9), and the boiling control temperature (T1) and boiling maintaining time (H1) are displayed with the time adjustment key (10) while displaying the time display lamp (11). The rice cooker for business use according to claim 1, which is to be adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP00878296A JP3479177B2 (en) | 1996-01-23 | 1996-01-23 | Commercial rice cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP00878296A JP3479177B2 (en) | 1996-01-23 | 1996-01-23 | Commercial rice cooker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09192012A true JPH09192012A (en) | 1997-07-29 |
| JP3479177B2 JP3479177B2 (en) | 2003-12-15 |
Family
ID=11702454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP00878296A Expired - Fee Related JP3479177B2 (en) | 1996-01-23 | 1996-01-23 | Commercial rice cooker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3479177B2 (en) |
-
1996
- 1996-01-23 JP JP00878296A patent/JP3479177B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP3479177B2 (en) | 2003-12-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |