JPH09252935A

JPH09252935A - Rice cooker

Info

Publication number: JPH09252935A
Application number: JP7063496A
Authority: JP
Inventors: Hiroshi Nakamura; 宏中村; Wataru Fujimoto; 渉藤本; Eiji Kogure; 栄治小暮; Sadao Kanetani; 定男金谷; Hiroaki Tsukahara; 広明塚原
Original assignee: Mitsubishi Electric Home Appliance Co Ltd; Mitsubishi Electric Corp
Current assignee: Mitsubishi Electric Home Appliance Co Ltd; Mitsubishi Electric Corp
Priority date: 1996-03-26
Filing date: 1996-03-26
Publication date: 1997-09-30
Also published as: KR100211893B1; TW419931B; KR970064518A

Abstract

PROBLEM TO BE SOLVED: To enable making of an automatic decision as to preheating and preheating time and then starting rice cooking. SOLUTION: A cooking memory 9, a timing means 10 which measures time in response to a timer start signal, and a control means 11 which starts on the basis of a detection signal of a pan detection means 5, calls in a cooking process excluding preheating from the cooking memory on the basis of the On signal of a cooking key if the temperature of an inner pan is not a preset prescribed temperature, calls in a cooking process excluding preheating if the time of the timing means 10 is not a preset prescribed time at a point when the On signal of the cooking key is received, calls in the cooking process from the cooking memory if the time of the timing means is not present prescribed time, and outputs a heating control signal to make these processes to be executed to a heating control means and controls them.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【発明の属する技術分野】本発明は例えば誘導加熱を利
用して行う炊飯器、特に予熱を行うか否か、また予熱時
間をどれくらいにするかを自動的に判断して炊飯を行え
るようにした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 utilizing, for example, induction heating, and in particular, it is possible to cook rice by automatically determining whether or not to preheat and how long the preheating time is. It is about rice cookers.

【０００２】[0002]

【従来の技術】図１０は従来の炊飯器の浸水から炊飯を
経て保温に至る工程のタイムチャートである。かかる従
来の炊飯器は、米を下準備としての一定時間水に浸けて
おいた後に、炊飯キーを押圧操作してＯＮさせると、米
に十分に吸水させるために一定の温度で一定時間予熱す
る予熱工程が実施され、次に米を炊き上げる炊飯工程が
実施され、その後米をむらすむらし工程が実施され、最
後に炊き上げた米を一定温度で保温する保温工程が実施
されるよう制御されるものである。また、次のような機
能が付加されているものもある。炊飯キーを１度押した
ときは上記のように制御され、使用者が米を水に十分な
時間浸けておいたために予熱が必要でないと判断した場
合に、炊飯キーを２度押すと、予熱工程を省略して最初
に炊飯工程が実施され、次にむらし工程が実施され、最
後に保温工程が実施されるよう制御されるものもある。2. Description of the Related Art FIG. 10 is a time chart of a process from the submersion of a conventional rice cooker to the heat retention after cooking rice. In such a conventional rice cooker, when the rice is soaked in water for a certain period of time as a preparation and then the rice cooking key is pressed to turn it on, the rice is preheated at a certain temperature for a certain period of time so as to absorb water sufficiently. The preheating process is carried out, then the rice cooking process of cooking rice is carried out, then the simmering process of rice is carried out, and finally the warming process of keeping the cooked rice at a constant temperature is controlled. It is something. In addition, the following functions are also added. When the rice cooking key is pressed once, it is controlled as described above, and when the user determines that preheating is not necessary because the user has soaked the rice in water for a sufficient time, pressing the rice cooking key twice causes preheating. In some cases, the rice cooking process is first carried out with the steps omitted, then the mulling process is carried out, and finally the heat retention process is carried out.

【０００３】図１１は通常の機能の他にタイマ予約炊飯
機能を有する従来のもう一つの炊飯器のタイマ予約から
炊飯を経て保温に至る工程のタイムチャートである。か
かる従来の炊飯器において、タイマ予約炊飯機能を使用
する場合には、例えば、米を水に浸けて朝の６時にタイ
マ予約炊飯が開始されるよう前夜の９時にタイマをセッ
トすると、予熱工程が実施されることなく、朝の６時か
ら直ちに炊飯工程が実施され、その後むらし工程が実施
され、最後に保温工程が実施されるよう制御される。特
開平３−３０７３１号公報に記載の従来のさらもう一つ
の炊飯器は、設定手段により記憶手段に記憶している炊
飯の予熱工程の予熱時間を任意の時間に変更できるもの
である。従って、硬めの場合は予熱時間を短くし、柔ら
かめの場合は予熱時間を長くして使用者の好みに合わせ
ることができる。FIG. 11 is a time chart of a process from the timer reservation of another conventional rice cooker having a timer-reserved rice cooking function in addition to the normal function to the heat retention through the rice cooking. In such a conventional rice cooker, when using the timer-reserved rice cooking function, for example, if the timer is set at 9 o'clock on the night before so that the rice can be soaked in water and the timer-reserved rice can be started at 6 am in the morning, the preheating process can be performed. It is controlled so that the rice cooking process is performed immediately from 6 o'clock in the morning without being performed, the mulling process is performed thereafter, and the heat retention process is finally performed. Another conventional rice cooker disclosed in Japanese Patent Application Laid-Open No. 3-30731 can change the preheating time of the rice preheating process stored in the storage means by the setting means to an arbitrary time. Therefore, the preheating time can be shortened in the case of being stiff and the preheating time can be lengthened in the case of being soft to suit the user's preference.

【０００４】[0004]

【発明が解決しようとする課題】上記のような従来の炊
飯器では、炊飯キーを押圧操作すると、予熱工程、炊飯
工程、むらし工程及び保温工程の順で実施が制御される
ため、十分に米が浸水された場合でも予熱工程が実施さ
れてしまうことになって米が炊き上がる時間が長くかか
るという問題があった。また、炊飯キーを２度押すと、
予熱工程を省略して炊飯工程、むらし工程及び保温工程
が実施されるよう制御される機能を有する炊飯器では、
炊飯キーを２度押すという予熱工程省略設定をいちいち
しなければならず、面倒であるという問題があった。In the conventional rice cooker as described above, when the rice cooking key is pressed, the operation is controlled in the order of the preheating step, the rice cooking step, the muddling step, and the heat retaining step. Even if the rice is flooded, the preheating process is carried out, and it takes a long time to cook the rice. Also, if you press the rice cooking key twice,
In the rice cooker that has the function of controlling so that the preheating process is omitted and the rice cooking process, the murmuring process, and the heat retention process are performed,
There was a problem that it was troublesome because it was necessary to make settings for omitting the preheating process by pressing the rice cooking key twice.

【０００５】さらに、タイマ予約炊飯機能を有する従来
のもう一つの炊飯器では、十分に米が浸水された場合で
もタイマをセットしなければ、予熱工程を省略できず、
面倒であるという問題があった。また、設定手段により
記憶手段に記憶している炊飯の予熱工程の予熱時間を任
意の時間に変更できる従来のさらもう一つの炊飯器で
は、使用者が予熱時間を設定手段により設定しなければ
ならないため、予熱時間の設定が面倒であると共に、浸
水時間に応じた適当な予熱時間の設定は何度か実際に炊
飯してみなければならず、事実上は難しいという問題が
あった。本発明はかかる問題点を解決するためになされ
たもので、予熱を行うか否か、また予熱時間をどれくら
いにするかを自動的に判断して炊飯を行えるようにした
炊飯器を得ることを目的とする。Further, in another conventional rice cooker having a timer-reserved rice cooking function, the preheating step cannot be omitted unless the timer is set even when the rice is fully submerged.
There was a problem that it was troublesome. Further, in another conventional rice cooker that can change the preheating time of the preheating process of rice cooking stored in the storage means by the setting means, the user must set the preheating time by the setting means. Therefore, the setting of the preheating time is troublesome, and it is actually difficult to set the appropriate preheating time according to the inundation time, which is actually difficult. The present invention has been made to solve such problems, and it is an object of the present invention to obtain a rice cooker capable of performing rice cooking by automatically determining whether or not to preheat and how long the preheating time is. To aim.

【０００６】[0006]

【課題を解決するための手段】本発明の請求項１に係る
炊飯器は、米と水を入れる内釜と、内釜を加熱する加熱
手段と、加熱手段を加熱制御する加熱制御手段と、内釜
の温度を検知する温度検出手段と、内釜が炊飯器本体に
セットされたことを検知する釜検知手段と、操作時にＯ
Ｎ信号を出力する炊飯キーと、所定の予熱時間で予熱
し、その後所定の炊飯工程で炊飯し、更に所定のむらし
時間でむらしてから保温に入る炊き上げ工程を記憶して
いる炊き上げメモリと、タイマ起動信号を受けて計時す
るタイマ手段と、釜検知手段の検知信号に基づき起動
し、温度検出手段の温度検出信号に基づき内釜温度があ
らかじめ設定した所定温度以下か否かを判断し、内釜温
度があらかじめ設定した所定温度以下でないときは炊飯
キーのＯＮ信号に基づき炊き上げメモリから予熱を除い
た炊き上げ工程を呼び込み、内釜温度があらかじめ設定
した所定温度以下のときにタイマ起動信号によりタイマ
手段をスタート動作させ、炊飯キーのＯＮ信号を受けた
時点のタイマ手段のタイマ時間があらかじめ設定した所
定時間以上のときには炊き上げメモリから予熱を除いた
炊き上げ工程を呼び込み、タイマ手段のタイマ時間があ
らかじめ設定した所定時間以上でないときには炊き上げ
メモリから炊き上げ工程を呼び込み、これら呼び込んだ
各工程を実施させる加熱制御信号を加熱制御手段に出力
する制御手段とを備えている。A rice cooker according to claim 1 of the present invention comprises an inner pot for containing rice and water, a heating unit for heating the inner pot, and a heating control unit for controlling heating of the heating unit. A temperature detecting means for detecting the temperature of the inner pot, a pot detecting means for detecting that the inner pot is set in the rice cooker body, and an O
A cooking key that outputs an N signal and a cooking memory that stores the cooking process that preheats at a predetermined preheating time, then cooks at a predetermined cooking process, and then spreads at a predetermined even time and then keeps warm And a timer means for receiving a timer start signal to count the time, and a timer signal which is started based on the detection signal of the hook detecting means to judge whether or not the inner kettle temperature is equal to or lower than a preset predetermined temperature based on the temperature detection signal of the temperature detecting means. , When the temperature of the inner pot is not lower than the preset temperature, the cooking process that removes the preheat from the cooking memory is called based on the ON signal of the rice cooking key, and the timer is started when the temperature of the inner pot is lower than the preset temperature. When the timer means is started by the signal and the timer time of the timer means at the time of receiving the ON signal of the rice cooking key is equal to or longer than the preset predetermined time Call the cooking process without preheating from the cooking memory, and if the timer time of the timer means is not longer than the preset time, call the cooking process from the cooking memory and send a heating control signal to execute each of these called processes. And a control means for outputting to the heating control means.

【０００７】本発明の請求項２に係る炊飯器は、米と水
を入れる内釜と、内釜を加熱する加熱手段と、加熱手段
を加熱制御する加熱制御手段と、内釜中の温度を検知す
る温度検出手段と、内釜が炊飯器本体にセットされたこ
と検知する釜検知手段と、操作時にＯＮ信号を出力する
炊飯キーと、所定の炊飯工程で炊飯し、その後所定のむ
らし時間でむらしてから保温に入る第１炊き上げ工程
と、あらかじめ設定した第１の予熱時間で予熱し、その
後所定の炊飯工程で炊飯し、更に所定のむらし時間でむ
らしてから保温に入る第２炊き上げ工程と、あらかじめ
設定した第２の予熱時間で予熱し、その後所定の炊飯工
程で炊飯し、更に所定のむらし時間でむらしてから保温
に入る第３炊き上げ工程と、あらかじめ設定した第３の
予熱時間で予熱し、その後所定の炊飯工程で炊飯し、更
に所定のむらし時間でむらしてから保温に入る第４炊き
上げ工程とを記憶している炊き上げメモリと、タイマ起
動信号を受けて計時するタイマ手段と、釜検知手段の検
知信号に基づき起動し、温度検出手段の温度検出信号に
基づき内釜温度があらかじめ設定した第１の所定温度以
下か否かを判断し、内釜温度があらかじめ設定した第１
の所定温度以下でないときは炊飯キーのＯＮ信号に基づ
き炊き上げメモリから第１炊き上げ工程を呼び込み、内
釜温度があらかじめ設定した第１の所定温度以下のとき
にタイマ起動信号によりタイマ手段をスタート動作さ
せ、炊飯キーのＯＮ信号を受けた時点のタイマ手段のタ
イマ時間があらかじめ設定した所定時間以上のときには
炊き上げメモリから第１炊き上げ工程を呼び込み、タイ
マ手段のタイマ時間があらかじめ設定した所定時間以上
でないときで、温度検出手段の温度検出信号に基づき内
釜温度があらかじめ設定した第２の所定温度以下でない
ときは第４の炊き上げ工程を呼び込み、また温度検出手
段の温度検出信号に基づき内釜温度があらかじめ設定し
た第３の所定温度以下でないときは第３の炊き上げ工程
を呼び込み、さらに温度検出手段の温度検出信号に基づ
き内釜温度があらかじめ設定した第３の所定温度以下の
ときは第２の炊き上げ工程を呼び込み、これら呼び込ん
だ各工程を実施させる加熱制御信号を加熱制御手段に出
力する制御手段とを備えている。The rice cooker according to claim 2 of the present invention comprises an inner pot for containing rice and water, a heating means for heating the inner pot, a heating control means for heating and controlling the heating means, and a temperature in the inner pot. Temperature detecting means for detecting, pot detecting means for detecting that the inner pot is set in the rice cooker main body, a rice cooking key for outputting an ON signal at the time of operation, and rice is cooked in a predetermined rice cooking process, and then at a predetermined spotting time. The first boil-up step that starts unevenness and then keeps warmth, and the preheating at a preset first pre-heating time, then the rice is cooked at a predetermined rice-cooking step, and then the heat is kept at a predetermined unevenness time and then keeps warmth. Cooking process, preheating at a preset second preheating time, then cooking at a predetermined rice cooking process, then stir for a predetermined even time, and then keep warm Preheat at 3 preheat time, After that, the rice is cooked in a predetermined rice cooking process, and the fourth cooking process in which the rice is moistened for a predetermined period of time and then kept warm, and a cooking memory, and a timer means for receiving a timer start signal to measure the time. First, it is started based on the detection signal from the kettle detection means, and it is judged based on the temperature detection signal from the temperature detection means whether or not the inner kettle temperature is equal to or lower than a preset first predetermined temperature.
When the temperature is not lower than the predetermined temperature, the first cooking process is called from the cooking memory based on the ON signal of the rice cooking key, and the timer means is started by the timer start signal when the inner pot temperature is lower than the preset first predetermined temperature. When the timer time of the timer means at the time of operating and receiving the ON signal of the rice cooking key is equal to or longer than the preset predetermined time, the first cooking process is called from the cooking memory and the timer time of the timer means is preset to the predetermined time. If the above is not the case and the temperature of the inner pot is not lower than the second predetermined temperature set in advance based on the temperature detection signal of the temperature detection means, the fourth cooking step is called, and the internal temperature is detected based on the temperature detection signal of the temperature detection means. When the pot temperature is not lower than the preset third predetermined temperature, the third cooking process is called, and When the inner pot temperature is equal to or lower than the third predetermined temperature set in advance based on the temperature detection signal of the temperature detection means, the second heating process is called and a heating control signal for executing each of the called steps is sent to the heating control means. And output control means.

【０００８】本発明の請求項３に係る炊飯器は、米と水
を入れる内釜と、内釜を加熱する加熱手段と、加熱手段
を加熱制御する加熱制御手段と、内釜中の温度を検知す
る温度検出手段と、内釜が炊飯器本体にセットされたこ
とを検知する釜検知手段と、操作時にＯＮ信号を出力す
る炊飯キーと、所定の炊飯工程で炊飯し、その後所定の
むらし時間でむらしてから保温に入る第１炊き上げ工程
と、あらかじめ設定した第１の予熱時間で予熱し、その
後所定の炊飯工程で炊飯し、更に所定のむらし時間でむ
らしてから保温に入る第２炊き上げ工程と、あらかじめ
設定した第２の予熱時間で予熱し、その後所定の炊飯工
程で炊飯し、更に所定のむらし時間でむらしてから保温
に入る第３炊き上げ工程と、あらかじめ設定した第３の
予熱時間で予熱し、その後所定の炊飯工程で炊飯し、更
に所定のむらし時間でむらしてから保温に入る第４炊き
上げ工程とを記憶している炊き上げメモリと、タイマ起
動信号を受けて計時するタイマ手段と、釜検知手段の検
知信号に基づきタイマ手段をタイマ起動信号によりスタ
ート動作させ、炊飯キーのＯＮ信号に基づき内釜温度が
あらかじめ設定した所定温度以下か否かを判断し、内釜
温度があらかじめ設定した所定温度以下でないときは炊
き上げメモリから第１炊き上げ工程を呼び込み、内釜温
度があらかじめ設定した所定温度以下のときで、釜検知
手段の検知信号が出力されてからあらかじめ設定した所
定温度以下と判断された時点のタイマ手段のタイマ時間
があらかじめ設定した第１の所定時間以下でないときに
は炊き上げメモリから第１炊き上げ工程を呼び込み、ま
たタイマ手段のタイマ時間があらかじめ設定した第２の
所定時間以下でないときは第４の炊き上げ工程を呼び込
み、さらにタイマ手段のタイマ時間があらかじめ設定し
た第３の所定時間以下でないときは第３の炊き上げ工程
を呼び込み、さらにまたタイマ手段のタイマ時間があら
かじめ設定した第２の所定時間以下のときは第２の炊き
上げ工程を呼び込み、これら呼び込んだ各工程を実施さ
せる加熱制御信号を加熱制御手段に出力する制御手段と
を備えている。The rice cooker according to claim 3 of the present invention is an inner pot for putting rice and water, a heating means for heating the inner pot, a heating control means for heating and controlling the heating means, and a temperature in the inner pot. Temperature detecting means for detecting, kettle detecting means for detecting that the inner pot is set in the rice cooker main body, rice cooking key for outputting an ON signal at the time of operation, rice is cooked in a predetermined rice cooking process, and then a predetermined stripping time The first cooking process, in which the rice is moisturized and then kept warm, the preheating is performed at a preset first preheating time, the rice is then cooked in a predetermined rice cooking process, and the rice is moistened in a predetermined even time and then the heat is kept warm. 2 cooking process, 3rd cooking process which preheats with the 2nd preheating time which was set beforehand, then cooks rice with the predetermined rice cooking process, and then heats the rice after moisturizing it with the predetermined even time Preheat in the third preheat time After that, the rice is cooked in a predetermined rice cooking process, and the fourth cooking process in which the rice is muffled for a predetermined mottling time and then kept warm, and a cooking memory, and timer means for receiving a timer start signal to measure the time, Based on the detection signal of the kettle detection means, the timer means is started by the timer start signal, and based on the ON signal of the rice cooking key, it is determined whether or not the inner kettle temperature is equal to or lower than the preset predetermined temperature, and the inner kettle temperature is preset. When the temperature is not lower than the predetermined temperature, the first cooking process is called from the heating memory, and when the temperature of the inner pot is equal to or lower than the preset temperature, the temperature is below the preset temperature after the detection signal of the pot detecting means is output. When the timer time of the timer means at the time of determination is not less than or equal to the preset first predetermined time, the first cooking from the cooking memory And when the timer time of the timer means is not less than or equal to the preset second predetermined time, the fourth cooking step is invoked, and when the timer time of the timer means is not less than or equal to the preset third predetermined time. Calls the third cooking step, and when the timer time of the timer means is equal to or less than the preset second predetermined time, the second cooking step is called, and a heating control signal for executing each of the called steps. Is output to the heating control means.

【０００９】本発明の請求項４に係る炊飯器は、米と水
を入れる内釜と、内釜を加熱する加熱手段と、加熱手段
を加熱制御する加熱制御手段と、内釜中の温度を検知す
る温度検出手段と、内釜が炊飯器本体にセットされたこ
とを検知する釜検知手段と、操作時にＯＮ信号を出力す
る炊飯キーと、所定の炊飯工程で炊飯し、その後所定の
むらし時間でむらしてから保温に入る第１炊き上げ工程
と、あらかじめ設定した第１の予熱時間で予熱し、その
後所定の炊飯工程で炊飯し、更に所定のむらし時間でむ
らしてから保温に入る第２炊き上げ工程と、あらかじめ
設定した第２の予熱時間で予熱し、その後所定の炊飯工
程で炊飯し、更に所定のむらし時間でむらしてから保温
に入る第３炊き上げ工程と、あらかじめ設定した第３の
予熱時間で予熱し、その後所定の炊飯工程で炊飯し、更
に所定のむらし時間でむらしてから保温に入る第４炊き
上げ工程とを記憶している炊き上げメモリと、釜検知手
段の検知信号と炊飯キーのＯＮ信号に基づき起動し、温
度検出手段の温度検出信号に基づき内釜温度があらかじ
め設定した第１の所定温度以下か否かを判断し、内釜温
度があらかじめ設定した第１の所定温度以下でないとき
は炊き上げメモリから第１炊き上げ工程を呼び込み、ま
た温度検出手段の温度検出信号に基づき内釜温度があら
かじめ設定した第２の所定温度以下でないときは第４の
炊き上げ工程を呼び込み、さらに温度検出手段の温度検
出信号に基づき内釜温度があらかじめ設定した第３の所
定温度以下でないときは第３の炊き上げ工程を呼び込
み、さらにまた温度検出手段の温度検出信号に基づき内
釜温度があらかじめ設定した第３の所定温度以下のとき
は第２の炊き上げ工程を呼び込み、これら呼び込んだ各
工程を実施させる加熱制御信号を加熱制御手段に出力す
る制御手段とを備えている。The rice cooker according to claim 4 of the present invention comprises an inner pot for putting rice and water, a heating means for heating the inner pot, a heating control means for heating and controlling the heating means, and a temperature in the inner pot. Temperature detecting means for detecting, kettle detecting means for detecting that the inner pot is set in the rice cooker main body, rice cooking key for outputting an ON signal at the time of operation, rice is cooked in a predetermined rice cooking process, and then a predetermined stripping time The first cooking process, in which the rice is moisturized and then kept warm, the preheating is performed at a preset first preheating time, the rice is then cooked in a predetermined rice cooking process, and the rice is moistened in a predetermined even time and then the heat is kept warm. 2 cooking process, 3rd cooking process which preheats with the 2nd preheating time which was set beforehand, then cooks rice with the predetermined rice cooking process, and then heats the rice after moisturizing it with the predetermined even time Preheat in the third preheat time After that, the rice is cooked in a predetermined rice cooking process, and the fourth cooking process in which the rice is moistened for a predetermined unevenness time and then kept warm is kept, a cooking memory, a detection signal of the pot detection means, and an ON signal of the rice cooking key. When the inner pot temperature is not lower than the preset first predetermined temperature based on the temperature detection signal of the temperature detecting means, it is determined whether or not the inner pot temperature is lower than the preset first predetermined temperature. The first cooking process is called from the cooking memory, and when the inner pot temperature is not lower than the second predetermined temperature set in advance based on the temperature detection signal of the temperature detecting means, the fourth cooking process is called and further temperature detection is performed. When the inner pot temperature is not lower than the preset third predetermined temperature based on the temperature detection signal of the means, the third cooking step is called, and the temperature detection of the temperature detecting means is further performed. When the temperature of the inner pot is equal to or lower than the third predetermined temperature set in advance based on the signal, the second heating process is called, and a heating control signal for executing each of the called steps is output to the heating control unit. I have it.

【００１０】[0010]

【発明の実施の形態】BEST MODE FOR CARRYING OUT THE INVENTION

実施の形態１．図１は本発明の実施の形態１に係る炊飯
器の構成を示すブロック図ある。図１において、１は炊
飯器本体にセットされる磁性体等の鉄系材料からなる有
底筒状の内釜、２は内釜１に入れられた水３に浸水され
ている米、４はの米２や水３が入っている内釜１の温度
を検知し、温度検出信号を出力する温度検出手段である
温度センサ、５は炊飯器本体に内釜１がセットされたか
どうかを検知して検知信号を出力する釜検知手段、６は
押圧操作時にＯＮ信号を出力する炊飯を開始するための
炊飯キー、７は内釜１を誘導加熱する加熱手段であるコ
イル、８はコイル７に交番磁界を発生させて加熱制御す
る加熱制御手段、９は所定の予熱時間で予熱し、その後
に所定の炊飯時間で炊飯し、更に所定のむらし時間でむ
らしてから保温に入る工程を記憶している炊き上げメモ
リ、１０はタイマ起動信号を受けて計時するタイマ手
段、１１は炊飯キー６からのＯＮ信号と釜検知手段５の
検知信号とタイマ手段１０の出力に基づき各種の炊き上
げ制御を行うための加熱制御信号を加熱制御手段８に出
力する制御手段である。Embodiment 1. 1 is a block diagram showing a configuration of a rice cooker according to Embodiment 1 of the present invention. In FIG. 1, 1 is a bottomed cylindrical inner pot made of an iron-based material such as a magnetic material set in the rice cooker body, 2 is rice submerged in water 3 contained in the inner pot 1, and 4 is The temperature sensor 5 which is the temperature detecting means for detecting the temperature of the inner pot 1 containing the rice 2 and the water 3 and outputting the temperature detection signal detects whether or not the inner pot 1 is set in the rice cooker body. To output a detection signal, a 6 is a rice cooking key for starting rice cooking that outputs an ON signal at the time of pressing operation, 7 is a coil that is a heating means for inductively heating the inner pot 1, and 8 is an alternate to the coil 7. Heating control means for generating and controlling heating by generating a magnetic field, 9 preheats for a predetermined preheating time, then cooks for a predetermined rice cooking time, memorizes for a predetermined unevenness time, and then keeps warm Cooking memory that is present, 10 is a timer that counts time by receiving a timer start signal Steps 11 are control means for outputting to the heating control means 8 heating control signals for performing various cooking control based on the ON signal from the rice cooking key 6, the detection signal of the pot detecting means 5 and the output of the timer means 10. is there.

【００１１】次に、本発明の実施の形態１に係る炊飯器
の動作について図１及び図２のフローチャートに基づい
て説明する。制御手段１１では、まず釜検知手段５の検
知信号に基づき炊飯器本体に内釜１がセットされたかど
うかを判断する（Ｓ１）。そして、炊飯器本体に内釜１
がセットされている場合は制御手段１１が起動する。ま
た、内釜１がセットされていない場合はセットされるま
で待つ。次に、制御手段１１は温度センサ４の温度検出
信号に基づき内釜１の温度があらかじめ設定した所定温
度である４０℃以下かどうかを判断する（Ｓ２）。そし
て、内釜１の温度が４０℃以下と判断した場合は、タイ
マ手段１０をスタート動作させる（Ｓ３）。また、内釜
１の温度が４０℃以下でないと判断した場合は、ステッ
プＳ８にいき、炊飯キー６が押圧操作されてＯＮ信号が
出力されているか否かを判断し、炊飯キー６がＯＮ信号
を出力していれば、炊き上げメモリ９から予熱を除いた
炊き上げ工程を呼び込み、その工程を実施させる加熱制
御信号を加熱制御手段８に出力し、加熱制御手段８がコ
イル７を誘導加熱制御して炊飯を実施し（Ｓ７）、炊飯
キー６がＯＮ信号を出力していなければ、ＯＮ信号が出
力されるまで待つ。なお、ステップＳ３でタイマ手段１
０がスタート動作すると、時間をカウントアップする。Next, the operation of the rice cooker according to the first embodiment of the present invention will be described based on the flowcharts of FIGS. 1 and 2. The control means 11 first determines whether or not the inner pot 1 is set in the rice cooker body based on the detection signal of the pot detection means 5 (S1). And the inner pot 1 in the rice cooker body
If is set, the control means 11 is activated. If the inner hook 1 is not set, wait until it is set. Next, the control means 11 determines whether or not the temperature of the inner pot 1 is 40 ° C. or lower, which is a preset predetermined temperature, based on the temperature detection signal of the temperature sensor 4 (S2). When it is determined that the temperature of the inner pot 1 is 40 ° C. or lower, the timer means 10 is started (S3). When it is determined that the temperature of the inner pot 1 is not lower than 40 ° C., the process goes to step S8 to determine whether the rice cooking key 6 is pressed and the ON signal is output, and the rice cooking key 6 outputs the ON signal. Is output, the cooking process in which the preheating is removed from the cooking memory 9 is called, a heating control signal for executing the process is output to the heating control means 8, and the heating control means 8 controls the induction heating of the coil 7. Then, the rice is cooked (S7), and if the rice cooking key 6 does not output the ON signal, it waits until the ON signal is output. In step S3, the timer means 1
When 0 starts, the time is counted up.

【００１２】次に、制御手段１１は、タイマ手段１０が
スタート動作した後に炊飯キー６が押圧操作されてＯＮ
信号が出力されているか否かを判断する（Ｓ４）。炊飯
キー６がＯＮ信号を出力していると判断した場合は、炊
飯キー６がＯＮ信号を出力した時点のタイマ手段１０の
タイマ時間があらかじめ設定した所定時間である３０分
以上か否かを判断する（Ｓ５）。そして、タイマ時間が
３０分以上と判断した場合は、炊き上げメモリ９から予
熱を除いた炊き上げ工程を呼び込み、その工程を実施さ
せる加熱制御信号を加熱制御手段８に出力し、加熱制御
手段８がコイル７を誘導加熱制御して炊飯を実施し（Ｓ
７）、タイマ時間が３０分以上でないとと判断した場合
は、炊き上げメモリ９から炊き上げ工程を呼び込み、そ
の工程を実施させる加熱制御信号を加熱制御手段８に出
力し、加熱制御手段８がコイル７を誘導加熱制御して予
熱を実施し（Ｓ６）、予熱終了後にステップＳ７の炊飯
を実施する。なお、炊飯が実施された後にタイマ手段１
０はリセットされる。Next, the control means 11 is turned on by pressing the rice cooking key 6 after the timer means 10 has started operation.
It is determined whether a signal is output (S4). When it is determined that the rice cooking key 6 outputs the ON signal, it is determined whether the timer time of the timer means 10 at the time when the rice cooking key 6 outputs the ON signal is 30 minutes or more which is a preset predetermined time. Yes (S5). When it is determined that the timer time is 30 minutes or more, the cooking process in which the preheating is removed from the cooking memory 9 is called, a heating control signal for executing the process is output to the heating control unit 8, and the heating control unit 8 Controls induction heating of the coil 7 and cooks rice (S
7) If it is determined that the timer time is not longer than 30 minutes, the cooking process is called from the cooking memory 9 and a heating control signal for executing the process is output to the heating control means 8 so that the heating control means 8 can operate. The coil 7 is induction-heat-controlled to carry out preheating (S6), and after completion of preheating, rice cooking in step S7 is carried out. In addition, after the rice is cooked, the timer means 1
0 is reset.

【００１３】上記のように、内釜１の内釜温度が４０℃
を超えてる場合は米が十分浸水されていると判断し、炊
飯が開始され、予熱を自動的に省略して炊飯が実施され
るから、使い勝手が良い。また、内釜温度が４０℃以下
の場合で４０℃以下と判断されてから炊飯キー６が押圧
操作されるまでに３０分以上経った場合も、予熱を自動
的に省略して炊飯が実施されるため、余分な予熱を行う
ことなく早く炊き上がり、使い勝手が良い。As described above, the temperature of the inner pot of the inner pot 1 is 40 ° C.
If it exceeds, it is judged that the rice is sufficiently flooded, rice cooking is started, and rice is automatically cooked without preheating, which is convenient. In addition, when the temperature of the inner pot is 40 ° C or less and 30 minutes or more elapses after the temperature is judged to be 40 ° C or less until the rice cooking key 6 is pressed, preheating is automatically omitted and rice is cooked. Therefore, it cooks quickly without extra preheating and is easy to use.

【００１４】実施の形態２．図３は本発明の実施の形態
２に係る炊飯器の構成を示すブロック図ある。図３にお
いて、図１に示す本発明の実施の形態１と同様の構成は
同一符号を付して重複した構成の説明を省略する。この
実施の形態２では、実施の形態１と炊き上げメモリの構
成と制御手段の動作が異なる。１９は炊き上げメモリ、
２１は制御手段である。この炊き上げメモリ１９は所定
の炊飯時間で炊飯し、その後所定のむらし時間でむらし
てから保温に入る第１炊き上げ工程９ａと、１５分の予
熱時間で予熱し、その後所定の炊飯時間で炊飯し、更に
所定のむらし時間でむらしてから保温に入る第２炊き上
げ工程９ｂと、１０分の予熱時間で予熱し、その後所定
の炊飯時間で炊飯し、更に所定のむらし時間でむらして
から保温に入る第３炊き上げ工程９ｃと、５分の予熱時
間で予熱し、その後所定の炊飯時間で炊飯し、更に所定
のむらし時間でむらしてから保温に入る第４炊き上げ工
程９ｄとを記憶している。Embodiment 2 FIG. FIG. 3 is a block diagram showing the configuration of the rice cooker according to Embodiment 2 of the present invention. In FIG. 3, the same components as those in the first embodiment of the present invention shown in FIG. 1 are designated by the same reference numerals, and the description of the duplicate components will be omitted. The second embodiment differs from the first embodiment in the configuration of the cooking memory and the operation of the control means. 19 is a cooking memory,
Reference numeral 21 is a control means. The cooking memory 19 cooks rice for a predetermined cooking time, then heats the rice for a predetermined mottled time and then keeps it warm, and preheats for 15 minutes of preheating time, and then for a predetermined cooking time. The rice is cooked and then moistened for a certain amount of time, and then kept warm. Second heating step 9b, preheating for 10 minutes of preheating time, then cooking for a certain amount of time for cooking, and then for a certain amount of time for uneven treatment. The third cooking step 9c, which starts to keep warm, and the preheating for 5 minutes of preheating time, then the rice is cooked for a predetermined cooking time, and the fourth cooking step 9d, which starts warming after moistening for a predetermined even time I remember and.

【００１５】次に、本発明の実施の形態２に係る炊飯器
の動作について図３及び図４のフローチャートに基づい
て説明する。この実施の形態２において、ステップＳ１
からステップＳ４までは上記実施の形態１と同様である
ので動作の説明を省略する。なお、ステップＳ２におい
て、制御手段２１は、内釜１の温度があらかじめ設定し
た第１の所定温度である４０℃以下でないと判断した場
合は、ステップＳ１０にいき、炊飯キー６が押圧操作さ
れてＯＮ信号が出力されているか否かを判断し、炊飯キ
ー６がＯＮ信号を出力していれば、炊き上げメモリ９か
ら第１炊き上げ工程９ａを呼び込み、その第１炊き上げ
工程９ａを実施させる加熱制御信号を加熱制御手段８に
出力し、加熱制御手段８がコイル７を誘導加熱制御して
炊飯を実施し（Ｓ９）、炊飯キー６がＯＮ信号を出力し
ていなければ、ＯＮ信号が出力されるまで待つ。ステッ
プＳ５において、制御手段２１は４０℃以下と判断され
てから炊飯キー６がＯＮ信号を出力した時点のタイマ手
段１０のタイマ時間があらかじめ設定した所定時間であ
る３０分以上か否かを判断する。そして、タイマ時間が
３０分以上と判断した場合も、炊き上げメモリ９から第
１炊き上げ工程９ａを呼び込み、その第１炊き上げ工程
９ａを実施させる加熱制御信号を加熱制御手段８に出力
し、加熱制御手段８がコイル７を誘導加熱制御して炊飯
を実施する（Ｓ９）。Next, the operation of the rice cooker according to the second embodiment of the present invention will be described based on the flowcharts of FIGS. 3 and 4. In this Embodiment 2, step S1
Since steps from step S4 to step S4 are the same as those in the first embodiment, the description of the operation is omitted. In addition, in step S2, when the control means 21 determines that the temperature of the inner pot 1 is not equal to or lower than the first predetermined temperature of 40 ° C., the process proceeds to step S10, and the rice cooking key 6 is pressed. It is determined whether or not an ON signal is output, and if the rice cooking key 6 outputs an ON signal, the first cooking step 9a is called from the cooking memory 9 and the first cooking step 9a is performed. A heating control signal is output to the heating control means 8, the heating control means 8 controls induction heating of the coil 7 to carry out rice cooking (S9), and if the rice cooking key 6 does not output an ON signal, an ON signal is output. Wait until done. In step S5, the control means 21 determines whether the timer time of the timer means 10 at the time when the rice cooking key 6 outputs the ON signal after the temperature is determined to be 40 ° C. or lower is 30 minutes or more, which is a preset predetermined time. . Then, even when it is determined that the timer time is 30 minutes or more, the first heating step 9a is called from the heating memory 9 and the heating control signal for executing the first heating step 9a is output to the heating control means 8. The heating control means 8 controls induction heating of the coil 7 to cook rice (S9).

【００１６】また、制御手段２１はタイマ時間が３０分
以上でないと判断した場合は、温度センサ４の温度検出
信号に基づき内釜１の温度があらかじめ設定した第２の
所定温度である３０℃以下か否かを判断する（Ｓ６）。
そして、内釜１の温度が３０℃以下と判断した場合は、
次に内釜１の温度があらかじめ設定した第３の所定温度
である２０℃以下か否かを判断する（Ｓ７）。そして、
内釜１の温度が２０℃以下と判断した場合は、炊き上げ
メモリ９から第２炊き上げ工程９ｂを呼び込み、その第
２炊き上げ工程９ｂを実施させる加熱制御信号を加熱制
御手段８に出力し、加熱制御手段８がコイル７を誘導加
熱制御して予熱を１５分間実施し（Ｓ８）、予熱終了後
に炊飯を実施する（Ｓ９）。When the control means 21 determines that the timer time is not longer than 30 minutes, the temperature of the inner pot 1 is 30 ° C. or lower which is the preset second predetermined temperature based on the temperature detection signal of the temperature sensor 4. It is determined whether or not (S6).
When it is determined that the temperature of the inner pot 1 is 30 ° C or lower,
Next, it is determined whether or not the temperature of the inner pot 1 is 20 ° C. or lower which is a preset third predetermined temperature (S7). And
When it is determined that the temperature of the inner pot 1 is 20 ° C. or lower, the second heating step 9b is called from the heating memory 9 and a heating control signal for executing the second heating step 9b is output to the heating control means 8. The heating control means 8 controls induction heating of the coil 7 to carry out preheating for 15 minutes (S8), and cooks rice after completion of preheating (S9).

【００１７】また、ステップＳ７で、内釜１の温度が２
０℃以下でないと判断し、３０℃以下の場合は、炊き上
げメモリ９から第３炊き上げ工程９ｃを呼び込み、その
第３炊き上げ工程９ｃを実施させる加熱制御信号を加熱
制御手段８に出力し、加熱制御手段８がコイル７を誘導
加熱制御して予熱を１０分間実施し（Ｓ１１）、予熱終
了後に炊飯を実施する（Ｓ９）。さらに、ステップＳ６
で内釜１の温度が３０℃以下でないと判断した場合は、
炊き上げメモリ９から第４炊き上げ工程９ｄを呼び込
み、その第４炊き上げ工程９ｄを実施させる加熱制御信
号を加熱制御手段８に出力し、加熱制御手段８がコイル
７を誘導加熱制御して予熱を５分間実施し（Ｓ１２）、
予熱終了後に炊飯を実施する（Ｓ９）。このような内釜
１の温度と予熱実施時間との関係を図５に示している。
なお、炊飯が実施された後にタイマ手段１０はリセット
される。In step S7, the temperature of the inner pot 1 is set to 2
If it is determined that the temperature is not 0 ° C. or lower, and if the temperature is 30 ° C. or lower, the third heating process 9c is called from the heating memory 9 and a heating control signal for executing the third heating process 9c is output to the heating control means 8. The heating control means 8 controls induction heating of the coil 7 to carry out preheating for 10 minutes (S11), and cooks rice after completion of preheating (S9). Further, step S6
If it is judged that the temperature of the inner pot 1 is not below 30 ° C,
The fourth cooking step 9d is called from the cooking memory 9 and a heating control signal for executing the fourth cooking step 9d is output to the heating control means 8, and the heating control means 8 controls the coil 7 by induction heating to preheat. For 5 minutes (S12),
After preheating, rice is cooked (S9). The relationship between the temperature of the inner pot 1 and the preheating execution time is shown in FIG.
The timer means 10 is reset after the rice is cooked.

【００１８】上記のように、内釜１の内釜温度が４０℃
を超えてる場合は米が十分浸水されていると判断し、炊
飯が開始され、予熱を自動的に省略して炊飯が実施され
るから、使い勝手が良い。また、内釜温度が４０℃以下
の場合で４０℃以下と判断されてから炊飯キー６が押圧
操作されるまでに３０分以上経った場合も、予熱を自動
的に省略して炊飯が実施されるから、余分な予熱を行う
ことなく、早く炊き上がり、使い勝手が良い。また、内
釜温度が４０℃以下の場合で４０℃以下と判断されてか
ら炊飯キー６が押圧操作されるまでに３０分以上経って
ない場合、３０℃以上、３０℃以下、２０℃以下の３段
階の内釜温度に応じた予熱時間が選択されて自動的に設
定され、無駄のない炊き上げができる。As described above, the temperature of the inner pot of the inner pot 1 is 40 ° C.
If it exceeds, it is judged that the rice is sufficiently flooded, rice cooking is started, and rice is automatically cooked without preheating, which is convenient. In addition, when the temperature of the inner pot is 40 ° C or less and 30 minutes or more elapses after the temperature is judged to be 40 ° C or less until the rice cooking key 6 is pressed, preheating is automatically omitted and rice is cooked. Therefore, it cooks quickly and is easy to use without extra preheating. In addition, in the case where the temperature of the inner pot is 40 ° C. or lower, it is determined that the temperature is 40 ° C. or lower and 30 minutes or more has not elapsed until the rice cooking key 6 is pressed, The preheating time is selected and automatically set according to the three stages of the inner pot temperature, enabling efficient cooking.

【００１９】実施の形態３．図６は本発明の実施の形態
３に係る炊飯器の動作を示すフローチャートである。こ
の実施の形態３のハード構成は図３に示す本発明の実施
形態２と同様の構成であり、図３を併用する。本発明の
実施の形態３に係る炊飯器の動作について図３及び図６
のフローチャートに基づいて説明する。この実施の形態
３は、内釜１の内釜温度に応じて予熱の有無を判断し、
内釜１がセットされてからタイマ手段１０をスタート動
作させ、それから内釜温度が所定の温度以下と判断され
た時点での時間に応じた予熱時間を設定するようにした
ものである。まず、制御手段２１では、釜検知手段５の
検知信号に基づき炊飯器本体に内釜１がセットされたか
どうかを判断する（Ｓ１）。そして、炊飯器本体に内釜
１がセットされている場合は起動する。また、内釜１が
セットされていない場合はセットされるまで待つ。Embodiment 3 FIG. 6 is a flowchart showing the operation of the rice cooker according to the third embodiment of the present invention. The hardware configuration of the third embodiment is the same as that of the second embodiment of the present invention shown in FIG. 3, and FIG. 3 is used together. Operation of rice cooker according to Embodiment 3 of the present invention
A description will be given based on the flowchart of FIG. In the third embodiment, the presence or absence of preheating is determined according to the inner pot temperature of the inner pot 1,
The timer means 10 is started after the inner pot 1 is set, and the preheating time is set according to the time when the inner pot temperature is judged to be equal to or lower than the predetermined temperature. First, the control unit 21 determines whether the inner pot 1 is set in the rice cooker body based on the detection signal of the pot detection unit 5 (S1). Then, if the inner pot 1 is set in the rice cooker body, it is activated. If the inner hook 1 is not set, wait until it is set.

【００２０】次に、制御手段２１は炊飯器本体に内釜１
がセットされたと判断した場合は、タイマ手段１０をス
タート動作させる（Ｓ２）。ステップＳ２でタイマ手段
１０がスタート動作すると、時間をカウントアップす
る。その後、ステップＳ３にいき、炊飯キー６が押圧操
作されてＯＮ信号が出力されているか否かを判断し、炊
飯キー６がＯＮ信号を出力していれば、温度センサ４の
温度検出信号に基づき内釜１の温度があらかじめ設定し
た所定温度である４０℃以下かどうかをを判断する（Ｓ
３）。また、炊飯キー６がＯＮ信号を出力していなけれ
ば、ＯＮ信号が出力されるまで待つ。そして、内釜１の
温度が４０℃以下でないと判断した場合は、炊き上げメ
モリ９から第１炊き上げ工程９ａを呼び込み、その第１
炊き上げ工程９ａを実施させる加熱制御信号を加熱制御
手段８に出力し、加熱制御手段８がコイル７を誘導加熱
制御して炊飯を実施する（Ｓ９）。Next, the control means 21 controls the rice cooker body to the inner pot 1
When it is determined that is set, the timer means 10 is started (S2). When the timer means 10 starts operating in step S2, the time is counted up. After that, the process proceeds to step S3, and it is determined whether or not the rice cooking key 6 is pressed to output the ON signal. If the rice cooking key 6 outputs the ON signal, based on the temperature detection signal of the temperature sensor 4. It is determined whether the temperature of the inner pot 1 is 40 ° C. or lower, which is a predetermined temperature set in advance (S
3). If the rice cooking key 6 does not output the ON signal, it waits until the ON signal is output. When it is determined that the temperature of the inner pot 1 is not lower than 40 ° C., the first cooking step 9a is called from the cooking memory 9 and the first cooking step 9a is performed.
A heating control signal for carrying out the cooking step 9a is output to the heating control means 8, and the heating control means 8 controls induction heating of the coil 7 to carry out rice cooking (S9).

【００２１】また、内釜１がセットされたと判断してか
ら内釜１の温度が４０℃以下と判断した時点のタイマ手
段１０のタイマ時間があらかじめ設定した第１の所定時
間である３０分以下か否かを判断する（Ｓ５）。そし
て、タイマ手段１０のタイマ時間が３０分以下でないと
判断したときも、炊き上げメモリ９から第１炊き上げ工
程９ａを呼び込み、その第１炊き上げ工程９ａを実施さ
せる加熱制御信号を加熱制御手段８に出力し、加熱制御
手段８がコイル７を誘導加熱制御して炊飯を実施する
（Ｓ９）。Further, when the temperature of the inner pot 1 is determined to be 40 ° C. or lower after it is determined that the inner pot 1 is set, the timer time of the timer means 10 is 30 minutes or less which is a preset first predetermined time. It is determined whether or not (S5). Then, even when it is determined that the timer time of the timer means 10 is not less than 30 minutes, the first heating step 9a is called from the heating memory 9, and the heating control signal for executing the first heating step 9a is heated. 8, and the heating control means 8 controls the coil 7 by induction heating to cook rice (S9).

【００２２】さらに、制御手段２１はタイマ時間が３０
分以下と判断した場合は、次にタイマ時間があらかじめ
設定した第２の所定時間である２０分以下か否かを判断
する（Ｓ６）。タイマ時間が２０分以下と判断した場合
は、さらにタイマ時間が１０分以下か否かを判断する
（Ｓ７）。タイマ時間があらかじめ設定した第３の所定
時間である１０分以下と判断した場合は、炊き上げメモ
リ９から第２炊き上げ工程９ｂを呼び込み、その第２炊
き上げ工程９ｂを実施させる加熱制御信号を加熱制御手
段８に出力し、加熱制御手段８がコイル７を誘導加熱制
御して予熱をあらかじめ設定した第１の予熱時間である
１５分間実施し（Ｓ８）、予熱終了後に炊飯を実施する
（Ｓ９）。Further, the control means 21 has a timer time of 30.
If it is determined that the time is less than or equal to the minute, it is next determined whether or not the timer time is less than or equal to the preset second predetermined time of 20 minutes (S6). When it is determined that the timer time is 20 minutes or less, it is further determined whether the timer time is 10 minutes or less (S7). When it is determined that the timer time is 10 minutes or less which is the third predetermined time set in advance, the second heating step 9b is called from the heating memory 9 and a heating control signal for executing the second heating step 9b is sent. It outputs to the heating control means 8 and the heating control means 8 performs induction heating control of the coil 7 to perform preheating for 15 minutes which is a preset first preheating time (S8), and cooks rice after the preheating is completed (S9). ).

【００２３】また、ステップＳ７で、タイマ時間が１０
分以下でないと判断し、１０分以下の場合は、炊き上げ
メモリ９から第３炊き上げ工程９ｃを呼び込み、その第
３炊き上げ工程９ｃを実施させる加熱制御信号を加熱制
御手段８に出力し、加熱制御手段８がコイル７を誘導加
熱制御して予熱をあらかじめ設定した第２の予熱時間で
ある１０分間実施し（Ｓ１０）、予熱終了後に炊飯を実
施する（Ｓ９）。さらに、ステップＳ６でタイマ時間が
２０分以下でないと判断した場合は、炊き上げメモリ９
から第４炊き上げ工程９ｄを呼び込み、その第４炊き上
げ工程９ｄを実施させる加熱制御信号を加熱制御手段８
に出力し、加熱制御手段８がコイル７を誘導加熱制御し
て予熱をあらかじめ設定した第３の予熱時間である５分
間実施し（Ｓ１１）、予熱終了後に炊飯を実施する（Ｓ
９）。このような内釜１の浸水時間と予熱実施時間との
関係を図７に示している。なお、炊飯が実施された後に
タイマ手段１０はリセットされる。In step S7, the timer time is 10
If it is determined that it is not less than 10 minutes, and if it is 10 minutes or less, the third cooking step 9c is called from the cooking memory 9 and a heating control signal for executing the third cooking step 9c is output to the heating control means 8. The heating control means 8 controls induction heating of the coil 7 and performs preheating for 10 minutes which is the preset second preheating time (S10), and cooks rice after the preheating is completed (S9). Further, when it is determined that the timer time is not less than 20 minutes in step S6, the cooking memory 9
The fourth heating process 9d is called from the heating control means 8 to send a heating control signal for executing the fourth heating process 9d.
Then, the heating control means 8 performs induction heating control of the coil 7 to carry out preheating for 5 minutes which is a preset third preheating time (S11), and cooks rice after completion of preheating (S11).
9). FIG. 7 shows the relationship between the immersion time of the inner pot 1 and the preheating execution time. The timer means 10 is reset after the rice is cooked.

【００２４】上記のように、内釜１の内釜温度が４０℃
を超えてる場合は米が十分浸水されていると判断し、炊
飯が開始され、予熱を自動的に省略して炊飯が実施され
るため、余分な予熱を行うことなく、早く炊き上がり、
使い勝手が良い。また、内釜１の内釜温度が４０℃以下
の場合で、炊飯器本体に内釜１がセットされたと判断し
てタイマ手段１０をスタート動作させてから内釜温度が
４０℃以下と判断された時点のタイマ時間が３０分以下
でない場合は、米が十分浸水されていると判断し、炊飯
が開始され、予熱を自動的に省略して炊飯が実施される
ため、余分な予熱を行うことなく、早く炊き上がり、使
い勝手が良い。さらに、内釜温度が４０℃以下と判断さ
れた時点のタイマ時間が３０分以下の場合は、２０分以
上、２０分以下、１０分以下の３段階のタイマ時間に応
じた予熱時間が選択されて自動的に設定され、無駄のな
い炊き上げができる。As described above, the temperature of the inner pot of the inner pot 1 is 40 ° C.
If it exceeds the above, it is judged that the rice has been sufficiently flooded, rice cooking is started, and preheating is automatically omitted and rice is cooked, so it cooks quickly without extra preheating,
Easy to use. Further, when the inner pot temperature of the inner pot 1 is 40 ° C. or lower, it is determined that the inner pot 1 has been set in the rice cooker body, and the timer means 10 is started to determine that the inner pot temperature is 40 ° C. or lower. If the timer time at that time is not less than 30 minutes, it is determined that the rice is sufficiently flooded, rice cooking is started, and preheating is automatically omitted and rice is cooked. No, it cooks quickly and is easy to use. Furthermore, if the timer time when the inner pot temperature is judged to be 40 ° C. or lower is 30 minutes or less, the preheating time is selected according to the three-step timer time of 20 minutes or more, 20 minutes or less, and 10 minutes or less. Is automatically set, and you can cook without waste.

【００２５】実施の形態４．図８は本発明の実施の形態
４の炊飯器の構成を示すブロック図ある。この実施の形
態４では実施の形態２とタイマ手段がない点のハード構
成と制御手段の動作が異なり、制御手段は３１で示され
る。本発明の実施の形態４の炊飯器の動作について図８
及び図９のフローチャートに基づいて説明する。この実
施の形態４は、内釜１の内釜温度に応じて予熱の有無を
判断し、内釜温度に応じた予熱時間を設定するようにし
たものである。まず、制御手段３１では、釜検知手段５
の検知信号に基づき炊飯器本体に内釜１がセットされた
かどうかを判断する（Ｓ１）。そして、炊飯器本体に内
釜１がセットされている場合は起動する。また、内釜１
がセットされていない場合はセットされるまで待つ。Embodiment 4 FIG. 8: is a block diagram which shows the structure of the rice cooker of Embodiment 4 of this invention. The fourth embodiment differs from the second embodiment in that the hardware configuration and the operation of the control means are different in that the timer means is not provided, and the control means is indicated by 31. Operation of the rice cooker according to the fourth embodiment of the present invention
And a flowchart of FIG. In the fourth embodiment, the presence or absence of preheating is determined according to the inner pot temperature of the inner pot 1, and the preheating time is set according to the inner pot temperature. First, in the control means 31, the hook detection means 5
It is determined whether the inner pot 1 is set in the rice cooker main body based on the detection signal of (S1). Then, if the inner pot 1 is set in the rice cooker body, it is activated. Also, the inner pot 1
If is not set, wait until it is set.

【００２６】次に、制御手段３１は炊飯キー６が押圧操
作されてＯＮ信号が出力されているか否かを判断し（Ｓ
２）、炊飯キー６がＯＮ信号を出力していれば、温度セ
ンサ４の温度検出信号に基づき内釜１の温度があらかじ
め設定した第１の所定温度である４０℃以下かどうかを
判断し（Ｓ３）、炊飯キー６がＯＮ信号を出力していな
ければ、ＯＮ信号が出力されるまで待つ。そして、内釜
１の温度が４０℃以下と判断した場合は、内釜１の温度
があらかじめ設定した第２の所定温度である３０℃以下
かどうかをを判断する（Ｓ４）。また、内釜１の温度が
４０℃以下でないと判断した場合は、炊き上げメモリ９
から第１炊き上げ工程９ａを呼び込み、その第１炊き上
げ工程９ａを実施させる加熱制御信号を加熱制御手段８
に出力し、加熱制御手段８がコイル７を誘導加熱制御し
て炊飯を実施する（Ｓ７）。Next, the control means 31 determines whether or not the rice cooking key 6 has been pressed and an ON signal has been output (S).
2) If the rice cooking key 6 outputs an ON signal, it is judged based on the temperature detection signal of the temperature sensor 4 whether or not the temperature of the inner pot 1 is 40 ° C. or lower which is a preset first predetermined temperature ( S3), if the rice cooking key 6 does not output the ON signal, wait until the ON signal is output. When it is determined that the temperature of the inner pot 1 is 40 ° C. or lower, it is determined whether the temperature of the inner pot 1 is 30 ° C. or lower, which is a second predetermined temperature set in advance (S4). When it is determined that the temperature of the inner pot 1 is not lower than 40 ° C, the cooking memory 9
The first heating step 9a is called from the heating control means 8 and a heating control signal for executing the first heating step 9a is applied.
Then, the heating control means 8 controls the induction heating of the coil 7 to carry out rice cooking (S7).

【００２７】そして、制御手段３１はステップＳ４で内
釜１の温度が３０℃以下と判断した場合は、次に内釜１
の温度があらかじめ設定した第３の所定温度である２０
℃以下か否かを判断する（Ｓ５）。そして、内釜１の温
度が２０℃以下と判断した場合は、炊き上げメモリ９か
ら第２炊き上げ工程９ｂを呼び込み、その第２炊き上げ
工程９ｂを実施させる加熱制御信号を加熱制御手段８に
出力し、加熱制御手段８がコイル７を誘導加熱制御して
予熱を１５分間実施し（Ｓ６）、予熱終了後に炊飯を実
施する（Ｓ７）。また、ステップＳ５で、内釜１の温度
が２０℃以下でないと判断し、３０℃以下の場合は、炊
き上げメモリ９から第３炊き上げ工程９ｃを呼び込み、
その第３炊き上げ工程９ｃを実施させる加熱制御信号を
加熱制御手段８に出力し、加熱制御手段８がコイル７を
誘導加熱制御して予熱を１０分間実施し（Ｓ８）、予熱
終了後に炊飯を実施する（Ｓ７）。さらに、ステップＳ
４で内釜１の温度が３０℃以下でないと判断した場合
は、炊き上げメモリ９から第４炊き上げ工程９ｄを呼び
込み、その第４炊き上げ工程９ｄを実施させる加熱制御
信号を加熱制御手段８に出力し、加熱制御手段８がコイ
ル７を誘導加熱制御して予熱を１０分間実施し（Ｓ
９）、予熱終了後に炊飯を実施する（Ｓ７）。なお、炊
飯が実施された後にタイマ手段１０はリセットされる。If the control means 31 determines in step S4 that the temperature of the inner pot 1 is 30 ° C. or lower, then the inner pot 1
Is the third predetermined temperature set in advance 20
It is determined whether the temperature is not higher than C (S5). When it is determined that the temperature of the inner pot 1 is 20 ° C. or less, the second heating step 9b is called from the heating memory 9 and a heating control signal for executing the second heating step 9b is sent to the heating control means 8. Then, the heating controller 8 controls the induction heating of the coil 7 to perform preheating for 15 minutes (S6), and cooks rice after the preheating is completed (S7). In step S5, it is determined that the temperature of the inner pot 1 is not lower than 20 ° C, and if the temperature is lower than 30 ° C, the third heating step 9c is called from the heating memory 9 and
A heating control signal for performing the third cooking step 9c is output to the heating control means 8, and the heating control means 8 controls the coil 7 by induction heating to carry out preheating for 10 minutes (S8), and after completion of preheating, cooked rice. Implement (S7). Further, step S
When it is determined in step 4 that the temperature of the inner pot 1 is not lower than 30 ° C., the fourth heating step 9d is called from the heating memory 9 and the heating control signal for causing the fourth heating step 9d to be performed is supplied to the heating control means 8 The heating control means 8 controls the induction heating of the coil 7 to perform preheating for 10 minutes (S
9) After the preheating is completed, rice is cooked (S7). The timer means 10 is reset after the rice is cooked.

【００２８】上記のように、内釜１の内釜温度が４０℃
を超えてる場合は米が十分浸水されていると判断し、炊
飯が開始され、予熱を自動的に省略して炊飯が実施され
るため、余分な予熱を行うことなく、早く炊き上がり、
使い勝手が良い。また、炊飯キー６が押圧操作されて内
釜１の内釜温度が４０℃以下の場合は、３０℃以上、３
０℃以下、２０℃以下の３段階の内釜温度に応じた予熱
時間が選択されて自動的に設定され、無駄のない炊き上
げができる。As described above, the temperature of the inner pot of the inner pot 1 is 40 ° C.
If it exceeds the above, it is judged that the rice has been sufficiently flooded, rice cooking is started, and preheating is automatically omitted and rice is cooked, so it cooks quickly without extra preheating,
Easy to use. Further, when the rice cooking key 6 is pressed and the inner pot temperature of the inner pot 1 is 40 ° C. or lower, 30 ° C. or higher, 3
Preheating time is selected and automatically set according to three stages of the inner pot temperature of 0 ° C. or less and 20 ° C. or less, and cooking can be performed without waste.

【００２９】上記実施の形態では、いずれも加熱手段と
してコイルの例で説明したが、これに限るものではな
く、加熱手段としてヒータ等であっても本発明を適用し
得ることはいうまでもない。In each of the above-mentioned embodiments, the coil is used as an example of the heating means, but the present invention is not limited to this, and the present invention can be applied to a heater or the like as the heating means. .

【００３０】[0030]

【発明の効果】以上のように本発明の請求項１によれ
ば、制御手段が、釜検知手段の検知信号に基づき起動
し、温度検出手段の温度検出信号に基づき内釜温度があ
らかじめ設定した所定温度以下か否かを判断し、内釜温
度が所定温度以下でないときは炊飯キーのＯＮ信号に基
づき炊き上げメモリから予熱を除いた炊き上げ工程を呼
び込み、内釜温度が所定温度以下のときにタイマ起動信
号によりタイマ手段をスタート動作させ、炊飯キーのＯ
Ｎ信号を受けた時点のタイマ手段のタイマ時間があらか
じめ設定した所定時間以上のときには炊き上げメモリか
ら予熱を除いた炊き上げ工程を呼び込み、タイマ手段の
タイマ時間が所定時間以上でないときには炊き上げメモ
リから炊き上げ工程を呼び込み、これら呼び込んだ各工
程を実施させる加熱制御信号を加熱制御手段に出力し、
加熱制御手段が加熱手段を加熱制御するようにしたの
で、内釜温度があらかじめ設定した所定温度を超えてる
場合は十分浸水されていると判断し、予熱を自動的に省
略して直ちに炊飯を行い、また内釜温度があらかじめ設
定した所定温度以下の場合で所定温度以下と判断されて
から炊飯キーがＯＮ信号を出力するまであらかじめ設定
した所定時間以上経った場合も予熱を自動的に省略して
炊飯が行われるため、余分な予熱を行うことなく早く炊
き上がり、それ以外の場合は予熱を省略されずに炊飯が
行われるために予熱を行うか、行わないかの設定が自動
的に行われることとなり、使い勝手が良いという効果を
有する。As described above, according to claim 1 of the present invention, the control means is activated based on the detection signal of the kettle detection means, and the inner kettle temperature is preset based on the temperature detection signal of the temperature detection means. When the temperature of the inner pot is lower than the predetermined temperature, it is judged whether the temperature is lower than the predetermined temperature. When the temperature of the inner pot is not lower than the predetermined temperature, the cooking process without preheating is called from the cooking memory based on the ON signal of the rice cooking key. The timer means is started by the timer start signal and the rice cooking key O
When the timer time of the timer means at the time of receiving the N signal is equal to or longer than a predetermined time set in advance, a cooking process excluding preheating is called from the cooking memory, and when the timer time of the timer means is not longer than the predetermined time, the cooking memory is called. Invokes the cooking process, outputs a heating control signal to the heating control means for carrying out each of the called steps,
Since the heating control means controls the heating means, if the temperature of the inner pot exceeds the preset temperature, it is determined that sufficient water has been flooded, and preheating is automatically omitted and rice is cooked immediately. Also, if the temperature of the inner pot is lower than the preset temperature and it is determined that the temperature is lower than the preset temperature, the preheating is automatically omitted even if the preset time has passed until the rice cooking key outputs an ON signal. Since rice is cooked, it is cooked quickly without extra preheating. In other cases, the rice is cooked without omitting preheating, so the setting of whether to preheat or not is done automatically. This has the effect of being easy to use.

【００３１】本発明の請求項２によれば、制御手段が、
釜検知手段の検知信号に基づき起動し、温度検出手段の
温度検出信号に基づき内釜温度があらかじめ設定した第
１の所定温度以下か否かを判断し、内釜温度が第１の所
定温度以下でないときは炊飯キーのＯＮ信号に基づき炊
き上げメモリから第１炊き上げ工程を呼び込み、内釜温
度が第１の所定温度以下のときにタイマ起動信号により
タイマ手段をスタート動作させ、炊飯キーのＯＮ信号を
受けた時点のタイマ手段のタイマ時間があらかじめ設定
した所定時間以上のときには炊き上げメモリから第１炊
き上げ工程を呼び込み、タイマ手段のタイマ時間が所定
時間以上でないときで、温度検出手段の温度検出信号に
基づき内釜温度があらかじめ設定した第２の所定温度以
下でないときは第４の炊き上げ工程を呼び込み、また温
度検出手段の温度検出信号に基づき内釜温度があらかじ
め設定した第３の所定温度以下でないときは第３の炊き
上げ工程を呼び込み、さらに温度検出手段の温度検出信
号に基づき内釜温度があらかじめ設定した第３の所定温
度以下のときは第２の炊き上げ工程を呼び込み、これら
呼び込んだ各工程を実施させる加熱制御信号を加熱制御
手段に出力し、加熱制御手段が加熱手段を加熱制御する
ようにしたので、内釜温度があらかじめ設定した第１の
所定温度を超えてる場合は十分浸水されていると判断
し、予熱を自動的に省略して直ちに炊飯を行い、また内
釜温度が第１の所定温度以下の場合で第１の所定温度以
下と判断されて炊飯キーがＯＮ信号を出力するまであら
かじめ設定した所定時間以上経った場合も予熱を自動的
に省略して炊飯が行われるため、余分な予熱を行うこと
なく、早く炊き上がり、また炊飯キーがＯＮ信号を出力
するまでの時点のタイマ時間があらかじめ設定した所定
時間以上でない時は内釜温度に応じた予熱時間が自動的
に設定され、その後に炊飯が行われるために予熱時間に
ついて無駄がなくなり、また予熱を行うか、行わないか
の設定も自動的に行われるために使い勝手が良いという
効果を有する。According to claim 2 of the present invention, the control means comprises:
It is started based on the detection signal of the kettle detection means, and it is judged based on the temperature detection signal of the temperature detection means whether or not the inner kettle temperature is equal to or lower than a preset first predetermined temperature, and the inner kettle temperature is equal to or lower than the first predetermined temperature. If not, the first cooking process is called from the cooking memory based on the ON signal of the rice cooking key, and when the temperature of the inner pot is equal to or lower than the first predetermined temperature, the timer means is started by the timer start signal, and the rice cooking key is turned ON. When the timer time of the timer means at the time of receiving the signal is longer than a predetermined time set in advance, the first cooking process is called from the cooking memory, and when the timer time of the timer means is not longer than the predetermined time, the temperature of the temperature detection means When the temperature of the inner pot is not lower than the preset second predetermined temperature based on the detection signal, the fourth cooking step is called, and the temperature of the temperature detecting means is set. When the inner pot temperature is not lower than the preset third predetermined temperature based on the output signal, the third cooking process is called, and the inner pot temperature is preset based on the temperature detection signal of the temperature detecting means. When the temperature is lower than or equal to the temperature, the second cooking step is called, and the heating control signal for executing the called steps is output to the heating control means, and the heating control means controls the heating of the heating means. If the temperature exceeds the preset first predetermined temperature, it is judged that the water is sufficiently submerged, the preheating is automatically omitted, and the rice is cooked immediately, and if the inner pot temperature is below the first predetermined temperature. Even if the rice cooker determines that the temperature is below the first predetermined temperature and the rice cooker key outputs an ON signal, the preheating is automatically omitted and rice is cooked. If you do not preheat, cook quickly, and if the timer time until the rice cooking key outputs an ON signal is not longer than the predetermined time set in advance, the preheat time according to the inner pot temperature is automatically set, Since the rice is cooked after that, the preheating time is not wasted, and the setting of whether or not the preheating is performed is automatically performed.

【００３２】本発明の請求項３によれば、制御手段が、
釜検知手段の検知信号に基づきタイマ手段をタイマ起動
信号によりスタート動作させ、炊飯キーのＯＮ信号に基
づき内釜温度があらかじめ設定した所定温度以下か否か
を判断し、内釜温度が所定温度以下でないときは炊き上
げメモリから第１炊き上げ工程を呼び込み、内釜温度が
所定温度以下のときで、釜検知手段の検知信号が出力さ
れてから所定温度以下と判断された時点でのタイマ手段
のタイマ時間があらかじめ設定した第１の所定時間以下
でないときには炊き上げメモリから第１炊き上げ工程を
呼び込み、またタイマ手段のタイマ時間があらかじめ設
定した第２の所定時間以下でないときは第４の炊き上げ
工程を呼び込み、さらにタイマ手段のタイマ時間があら
かじめ設定した第３の所定時間以下でないときは第３の
炊き上げ工程を呼び込み、さらにまたタイマ手段のタイ
マ時間があらかじめ設定した第２の所定時間以下のとき
は第２の炊き上げ工程を呼び込み、これら呼び込んだ各
工程を実施させる加熱制御信号を加熱制御手段に出力
し、加熱制御手段が加熱手段を加熱制御するようにした
ので、内釜温度があらかじめ設定した所定温度を超えて
る場合は十分浸水されていると判断し、予熱を自動的に
省略して直ちに炊飯が行われ、また内釜がセットされて
から所定温度以下と判断された時点のタイマ時間があら
かじめ設定した第１の所定時間以下でないときも予熱を
自動的に省略して直ちに炊飯が行われるため、余分な予
熱を行うことなく、早く炊き上がり、また内釜温度があ
らかじめ設定した所定温度以下の場合で内釜がセットさ
れてから所定温度以下と判断された時点のタイマ時間が
第１の所定時間以下のときは、各々のタイマ時間に応じ
た予熱時間が自動的に設定され、その後に炊飯が行われ
るために予熱時間についての無駄がなくなり、また予熱
を行うか、行わないかの設定も自動的に行われるために
使い勝手も良いという効果を有する。According to claim 3 of the present invention, the control means comprises:
Based on the detection signal of the kettle detection means, the timer means is started by the timer start signal, and based on the ON signal of the rice cooking key, it is judged whether or not the inner kettle temperature is equal to or lower than a preset predetermined temperature. If it is not, the first cooking process is called from the cooking memory, and when the temperature of the inner pot is equal to or lower than the predetermined temperature, the temperature of the timer unit at the time when it is determined that the temperature is equal to or lower than the predetermined temperature after the detection signal of the pot detection unit is output. When the timer time is not shorter than the preset first predetermined time, the first cooking process is called from the cooking memory, and when the timer time of the timer means is not shorter than the preset second predetermined time, the fourth cooking process is performed. The process is called, and when the timer time of the timer means is not shorter than the preset third predetermined time, the third cooking process is called. In addition, when the timer time of the timer means is equal to or shorter than the preset second predetermined time, the second cooking step is called, and a heating control signal for executing each of the called steps is output to the heating control means. Since the heating control means controls the heating means, if the temperature of the inner pot exceeds the preset temperature, it is judged that the water is sufficiently submerged, and the preheating is automatically omitted to start cooking rice immediately. Also, if the timer time at the time when it is determined that the temperature is below the predetermined temperature after the inner pot is set is not below the preset first predetermined time, preheating is automatically omitted and rice is cooked immediately. When it is judged that the temperature is lower than the predetermined temperature after the inner pot is set when the temperature of the inner pot is lower than the preset temperature which has been set in advance without the need for preheating. When the timer time of is less than the first predetermined time, the preheating time corresponding to each timer time is automatically set, and since rice is cooked after that, there is no waste of preheating time and preheating is performed. Since it is automatically set whether to perform or not, there is an effect that it is easy to use.

【００３３】本発明の請求項４によれば、制御手段が、
釜検知手段の検知信号と炊飯キーのＯＮ信号にに基づき
起動し、温度検出手段の温度検出信号に基づき内釜温度
があらかじめ設定した第１の所定温度以下か否かを判断
し、内釜温度が第１の所定温度以下でないときは炊き上
げメモリから第１炊き上げ工程を呼び込み、また温度検
出手段の温度検出信号に基づき内釜温度があらかじめ設
定した第２の所定温度以下でないときは第４の炊き上げ
工程を呼び込み、さらに温度検出手段の温度検出信号に
基づき内釜温度があらかじめ設定した第３の所定温度以
下でないときは第３の炊き上げ工程を呼び込み、さらに
また温度検出手段の温度検出信号に基づき内釜温度があ
らかじめ設定した第３の所定温度以下のときは第２の炊
き上げ工程を呼び込み、これら呼び込んだ各工程を実施
させる加熱制御信号を加熱制御手段に出力し、加熱制御
手段が加熱手段を加熱制御するようにしたので、内釜温
度があらかじめ設定した第１の所定温度を超えてる場合
は十分浸水されていると判断し、予熱を自動的に省略し
て直ちに炊飯が行われ、また内釜温度が第１の所定温度
以下の場合は内釜温度に応じた予熱時間が自動的に設定
され、無駄がなくなり、また予熱を行うか、行わないか
の設定も自動的に行われるために使い勝手が良いという
効果も有する。According to claim 4 of the present invention, the control means comprises:
It is started based on the detection signal of the kettle detection means and the ON signal of the rice cooking key, and it is judged whether or not the inner kettle temperature is below a preset first predetermined temperature based on the temperature detection signal of the temperature detection means. Is not below the first predetermined temperature, the first cooking process is called from the cooking memory, and when the inner pot temperature is not below the preset second predetermined temperature based on the temperature detection signal of the temperature detecting means, the fourth cooking process is performed. Of the temperature detecting means, and when the inner pot temperature is not lower than the third predetermined temperature set in advance based on the temperature detection signal of the temperature detecting means, the third heating step is called, and the temperature detecting means detects the temperature. A heating control signal for calling the second cooking process when the inner pot temperature is equal to or lower than the third predetermined temperature set in advance based on the signal and executing each of the called processes. Is output to the heating control means, and the heating control means controls the heating of the heating means. Therefore, when the temperature of the inner pot exceeds the preset first predetermined temperature, it is determined that sufficient water has been entered and preheating is performed. Is automatically skipped and rice is cooked immediately, and when the inner pot temperature is below the first predetermined temperature, the preheating time is automatically set according to the inner pot temperature to eliminate waste and preheat. Since it is automatically set whether to perform or not, there is an effect that it is easy to use.

【図面の簡単な説明】[Brief description of drawings]

【図１】本発明の実施の形態１の炊飯器の構成を示す
ブロック図である。FIG. 1 is a block diagram showing a configuration of a rice cooker according to a first embodiment of the present invention.

【図２】同実施の形態１の炊飯器の動作を示すフロー
チャートである。FIG. 2 is a flowchart showing an operation of the rice cooker according to the first embodiment.

【図３】本発明の実施の形態２、３の炊飯器の構成を
示すブロック図である。FIG. 3 is a block diagram showing a configuration of a rice cooker according to Embodiments 2 and 3 of the present invention.

【図４】同実施の形態２の炊飯器の動作を示すフロー
チャートである。FIG. 4 is a flowchart showing an operation of the rice cooker according to the second embodiment.

【図５】同実施の形態２の炊飯器の水温と予熱実施時
間との関係を示すグラフである。FIG. 5 is a graph showing a relationship between water temperature and preheating execution time of the rice cooker according to the second embodiment.

【図６】同実施の形態３の炊飯器の動作を示すフロー
チャートである。FIG. 6 is a flowchart showing the operation of the rice cooker according to the third embodiment.

【図７】同実施の形態３の炊飯器の浸水時間と予熱実
施時間との関係を示すグラフである。FIG. 7 is a graph showing a relationship between a water immersion time and a preheating execution time of the rice cooker according to the third embodiment.

【図８】本発明の実施の形態４の炊飯器の構成を示す
ブロック図である。FIG. 8 is a block diagram showing a configuration of a rice cooker according to a fourth embodiment of the present invention.

【図９】同実施の形態４の炊飯器の動作を示すフロー
チャートである。FIG. 9 is a flowchart showing an operation of the rice cooker according to the fourth embodiment.

【図１０】従来の炊飯器の浸水から炊飯を経て保温に
至る工程のタイムチャートである。FIG. 10 is a time chart of a process from the submersion of a conventional rice cooker to the heat retention after cooking rice.

【図１１】は従来のもう一つの炊飯器のタイマ予約か
ら炊飯を経て保温に至る工程のタイムチャートである。FIG. 11 is a time chart of a process from the timer reservation of another conventional rice cooker to the heat retention after cooking rice.

【符号の説明】[Explanation of symbols]

１内釜、２米、３水、４温度センサ（温
度検出手段）、５釜検知手段、６炊飯キー、７
コイル（加熱手段）、８加熱制御手段、９炊
き上げメモリ、１０タイマ手段、１１制御手
段。1 inner pot, 2 rice, 3 water, 4 temperature sensor (temperature detecting means), 5 pot detecting means, 6 rice cooking key, 7
Coil (heating means), 8 heating control means, 9 cooking memory, 10 timer means, 11 control means.

───────────────────────────────────────────────────── フロントページの続き (72)発明者小暮栄治埼玉県大里郡花園町大字小前田1728番地１三菱電機ホーム機器株式会社内 (72)発明者金谷定男埼玉県大里郡花園町大字小前田1728番地１三菱電機ホーム機器株式会社内 (72)発明者塚原広明埼玉県大里郡花園町大字小前田1728番地１三菱電機ホーム機器株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Eiji Kogure 1728 Omaeda, Omaeda, Hanazono-cho, Oza-gun, Saitama Prefecture 1728 Mitsubishi Electric Home Appliances Co., Ltd. (72) Sadao Kanaya 1728 Omaeda, Omaeda, Ozono-gun, Saitama Prefecture Mitsubishi Electric Home Equipment Co., Ltd. (72) Inventor Hiroaki Tsukahara 1728 Omaeda, Hanazono-cho, Oza-gun, Saitama Prefecture 1 Mitsubishi Electric Home Equipment Co., Ltd.

Claims

【特許請求の範囲】[Claims]

【請求項１】米と水を入れる内釜と、内釜を加熱する
加熱手段と、加熱手段を加熱制御する加熱制御手段と、
内釜の温度を検知する温度検出手段と、内釜が炊飯器本
体にセットされたことを検知する釜検知手段と、操作時
にＯＮ信号を出力する炊飯キーと、所定の予熱時間で予
熱し、その後所定の炊飯工程で炊飯し、更に所定のむら
し時間でむらしてから保温に入る炊き上げ工程を記憶し
ている炊き上げメモリと、タイマ起動信号を受けて計時
するタイマ手段と、釜検知手段の検知信号に基づき起動
し、温度検出手段の温度検出信号に基づき内釜温度があ
らかじめ設定した所定温度以下か否かを判断し、内釜温
度があらかじめ設定した所定温度以下でないときは炊飯
キーのＯＮ信号に基づき炊き上げメモリから予熱を除い
た炊き上げ工程を呼び込み、内釜温度があらかじめ設定
した所定温度以下のときにタイマ起動信号によりタイマ
手段をスタート動作させ、炊飯キーのＯＮ信号を受けた
時点のタイマ手段のタイマ時間があらかじめ設定した所
定時間以上のときには炊き上げメモリから予熱を除いた
炊き上げ工程を呼び込み、タイマ手段のタイマ時間があ
らかじめ設定した所定時間以上でないときには炊き上げ
メモリから炊き上げ工程を呼び込み、これら呼び込んだ
各工程を実施させる加熱制御信号を加熱制御手段に出力
する制御手段とを備えたことを特徴とする炊飯器。1. An inner pot for containing rice and water, a heating unit for heating the inner pot, and a heating control unit for heating and controlling the heating unit.
A temperature detecting means for detecting the temperature of the inner pot, a pot detecting means for detecting that the inner pot is set in the rice cooker body, a rice cooking key for outputting an ON signal at the time of operation, and preheating at a predetermined preheating time, After that, the rice is cooked in a predetermined rice cooking process, and the cooking memory that stores the cooking process in which the rice is unevenly heated for a predetermined unevenness time and then kept warm, timer means for measuring the time by receiving a timer start signal, and kettle detection means When the inner pot temperature is not lower than the preset predetermined temperature based on the temperature detection signal of the temperature detecting means, it is determined whether or not the inner pot temperature is lower than the preset predetermined temperature. Based on the ON signal, the cooking process in which the preheating is removed from the cooking memory is called, and when the inner pot temperature is below the preset temperature, the timer start signal starts the timer means. Then, when the timer time of the timer means at the time of receiving the ON signal of the rice cooking key is equal to or longer than the predetermined time set in advance, the cooking process in which the preheating is removed from the cooking memory is called, and the timer time of the timer means is set in the predetermined time. A rice cooker comprising: a control unit for calling a cooking process from a cooking memory when the time is not more than a time period and outputting a heating control signal for performing each of the called processes to the heating control unit.

【請求項２】米と水を入れる内釜と、内釜を加熱する
加熱手段と、加熱手段を加熱制御する加熱制御手段と、
内釜中の温度を検知する温度検出手段と、内釜が炊飯器
本体にセットされたこと検知する釜検知手段と、操作時
にＯＮ信号を出力する炊飯キーと、所定の炊飯工程で炊
飯し、その後所定のむらし時間でむらしてから保温に入
る第１炊き上げ工程と、あらかじめ設定した第１の予熱
時間で予熱し、その後所定の炊飯工程で炊飯し、更に所
定のむらし時間でむらしてから保温に入る第２炊き上げ
工程と、あらかじめ設定した第２の予熱時間で予熱し、
その後所定の炊飯工程で炊飯し、更に所定のむらし時間
でむらしてから保温に入る第３炊き上げ工程と、あらか
じめ設定した第３の予熱時間で予熱し、その後所定の炊
飯工程で炊飯し、更に所定のむらし時間でむらしてから
保温に入る第４炊き上げ工程とを記憶している炊き上げ
メモリと、タイマ起動信号を受けて計時するタイマ手段
と、釜検知手段の検知信号に基づき起動し、温度検出手
段の温度検出信号に基づき内釜温度があらかじめ設定し
た第１の所定温度以下か否かを判断し、内釜温度があら
かじめ設定した第１の所定温度以下でないときは炊飯キ
ーのＯＮ信号に基づき炊き上げメモリから第１炊き上げ
工程を呼び込み、内釜温度があらかじめ設定した第１の
所定温度以下のときにタイマ起動信号によりタイマ手段
をスタート動作させ、炊飯キーのＯＮ信号を受けた時点
のタイマ手段のタイマ時間があらかじめ設定した所定時
間以上のときには炊き上げメモリから第１炊き上げ工程
を呼び込み、タイマ手段のタイマ時間があらかじめ設定
した所定時間以上でないときで、温度検出手段の温度検
出信号に基づき内釜温度があらかじめ設定した第２の所
定温度以下でないときは第４の炊き上げ工程を呼び込
み、また温度検出手段の温度検出信号に基づき内釜温度
があらかじめ設定した第３の所定温度以下でないときは
第３の炊き上げ工程を呼び込み、さらに温度検出手段の
温度検出信号に基づき内釜温度があらかじめ設定した第
３の所定温度以下のときは第２の炊き上げ工程を呼び込
み、これら呼び込んだ各工程を実施させる加熱制御信号
を加熱制御手段に出力する制御手段とを備えたことを特
徴とする炊飯器。2. An inner pot for containing rice and water, a heating unit for heating the inner pot, and a heating control unit for controlling heating of the heating unit,
A temperature detecting means for detecting the temperature in the inner pot, a pot detecting means for detecting that the inner pot is set in the rice cooker body, a rice cooking key for outputting an ON signal during operation, and rice is cooked in a predetermined rice cooking step, After that, the rice is moistened for a predetermined period of time, and then kept warm for the first cooking step, preheated for a preset first preheating time, then rice is cooked for a predetermined rice cooking step, and then uneven for a predetermined even time. From the second cooking process to keep warm from the preheating with the preset second preheating time,
After that, the rice is cooked in the predetermined rice cooking process, and the third cooking process in which the rice is moistened for a predetermined time and then kept warm, and the preheating is performed in the preset third preheating time, and then the rice is cooked in the predetermined rice cooking process. Furthermore, the cooking memory that stores the fourth cooking process in which the temperature is kept constant after the unevenness is applied for a predetermined period of time, the cooking memory, the timer means for receiving a timer activation signal, and the activation based on the detection signal of the kettle detection means. Then, based on the temperature detection signal of the temperature detecting means, it is determined whether or not the inner pot temperature is lower than or equal to a preset first predetermined temperature. When the inner pot temperature is not lower than or equal to the preset first predetermined temperature, the rice cooker key is pressed. The first cooking process is called from the cooking memory based on the ON signal, and the timer means is started by the timer start signal when the inner pot temperature is equal to or lower than the preset first predetermined temperature. When the timer time of the timer means at the time of receiving the ON signal of the rice cooking key is equal to or longer than the preset predetermined time, the first cooking process is called from the cooking memory, and the timer time of the timer means is not longer than the preset predetermined time. At this time, when the inner pot temperature is not lower than the second predetermined temperature set in advance based on the temperature detection signal of the temperature detection unit, the fourth cooking step is called, and the inner pot temperature is set based on the temperature detection signal of the temperature detection unit. Is not lower than the preset third predetermined temperature, the third cooking process is called, and when the inner pot temperature is lower than the preset third predetermined temperature based on the temperature detection signal of the temperature detecting means, the second cooking process is performed. And a control means for outputting the heating control signal to the heating control means for invoking the cooking process of Cooker, characterized in that it includes.

【請求項３】米と水を入れる内釜と、内釜を加熱する
加熱手段と、加熱手段を加熱制御する加熱制御手段と、
内釜中の温度を検知する温度検出手段と、内釜が炊飯器
本体にセットされたことを検知する釜検知手段と、操作
時にＯＮ信号を出力する炊飯キーと、所定の炊飯工程で
炊飯し、その後所定のむらし時間でむらしてから保温に
入る第１炊き上げ工程と、あらかじめ設定した第１の予
熱時間で予熱し、その後所定の炊飯工程で炊飯し、更に
所定のむらし時間でむらしてから保温に入る第２炊き上
げ工程と、あらかじめ設定した第２の予熱時間で予熱
し、その後所定の炊飯工程で炊飯し、更に所定のむらし
時間でむらしてから保温に入る第３炊き上げ工程と、あ
らかじめ設定した第３の予熱時間で予熱し、その後所定
の炊飯工程で炊飯し、更に所定のむらし時間でむらして
から保温に入る第４炊き上げ工程とを記憶している炊き
上げメモリと、タイマ起動信号を受けて計時するタイマ
手段と、釜検知手段の検知信号に基づきタイマ手段をタ
イマ起動信号によりスタート動作させ、炊飯キーのＯＮ
信号に基づき内釜温度があらかじめ設定した所定温度以
下か否かを判断し、内釜温度があらかじめ設定した所定
温度以下でないときは炊き上げメモリから第１炊き上げ
工程を呼び込み、内釜温度があらかじめ設定した所定温
度以下のときで、釜検知手段の検知信号が出力されてか
らあらかじめ設定した所定温度以下と判断された時点の
タイマ手段のタイマ時間があらかじめ設定した第１の所
定時間以下でないときには炊き上げメモリから第１炊き
上げ工程を呼び込み、またタイマ手段のタイマ時間があ
らかじめ設定した第２の所定時間以下でないときは第４
の炊き上げ工程を呼び込み、さらにタイマ手段のタイマ
時間があらかじめ設定した第３の所定時間以下でないと
きは第３の炊き上げ工程を呼び込み、さらにまたタイマ
手段のタイマ時間があらかじめ設定した第２の所定時間
以下のときは第２の炊き上げ工程を呼び込み、これら呼
び込んだ各工程を実施させる加熱制御信号を加熱制御手
段に出力する制御手段とを備えたことを特徴とする炊飯
器。3. An inner pot for containing rice and water, a heating unit for heating the inner pot, and a heating control unit for controlling heating of the heating unit.
Temperature detecting means for detecting the temperature in the inner pot, pot detecting means for detecting that the inner pot is set in the rice cooker body, a rice cooking key that outputs an ON signal during operation, and rice is cooked in a predetermined rice cooking process. After that, the first cooking step, in which the rice is moistened for a predetermined time, and then kept warm, is preheated by the preset first preheating time, then the rice is cooked in the predetermined rice cooking step, and then the steaming is performed in the predetermined even time. The second cooking step that starts warming and the second preheating time that is set in advance, then the rice is cooked at a predetermined cooking step, and the third cooking step that starts warming after moistening for a predetermined even time Cooking process that remembers the process and the 4th cooking process that preheats at the preset 3rd preheating time, then cooks rice at the specified rice cooking process, and then spreads it for the specified unevenness time and then keeps it warm Memory and thailand Start a timer means for counting the signal receiving by the timer means based on a detection signal of the shuttle detecting means is started operation by the timer start signal, ON of cooking key
Based on the signal, it is determined whether or not the inner pot temperature is lower than or equal to a preset predetermined temperature, and if the inner pot temperature is not lower than or equal to the preset predetermined temperature, the first cooking process is called from the cooking memory and the inner pot temperature is set in advance. When the temperature is equal to or lower than the set predetermined temperature and the timer time of the timer means at the time when it is determined that the temperature is equal to or lower than the preset predetermined temperature after the detection signal of the kettle detection means is not equal to or lower than the preset first predetermined time, the rice is cooked. If the first cooking process is called from the raising memory and the timer time of the timer means is not less than the preset second predetermined time, the fourth
Of the heating means, and when the timer time of the timer means is not less than or equal to the preset third predetermined time, the third cooking step is called, and the timer time of the timer means is preset to the second predetermined time. A rice cooker comprising: a second cooking process when the time is equal to or less than a time, and a control unit that outputs a heating control signal for performing each of the called processes to the heating control unit.

【請求項４】米と水を入れる内釜と、内釜を加熱する
加熱手段と、加熱手段を加熱制御する加熱制御手段と、
内釜中の温度を検知する温度検出手段と、内釜が炊飯器
本体にセットされたことを検知する釜検知手段と、操作
時にＯＮ信号を出力する炊飯キーと、所定の炊飯工程で
炊飯し、その後所定のむらし時間でむらしてから保温に
入る第１炊き上げ工程と、あらかじめ設定した第１の予
熱時間で予熱し、その後所定の炊飯工程で炊飯し、更に
所定のむらし時間でむらしてから保温に入る第２炊き上
げ工程と、あらかじめ設定した第２の予熱時間で予熱
し、その後所定の炊飯工程で炊飯し、更に所定のむらし
時間でむらしてから保温に入る第３炊き上げ工程と、あ
らかじめ設定した第３の予熱時間で予熱し、その後所定
の炊飯工程で炊飯し、更に所定のむらし時間でむらして
から保温に入る第４炊き上げ工程とを記憶している炊き
上げメモリと、釜検知手段の検知信号と炊飯キーのＯＮ
信号に基づき起動し、温度検出手段の温度検出信号に基
づき内釜温度があらかじめ設定した第１の所定温度以下
か否かを判断し、内釜温度があらかじめ設定した第１の
所定温度以下でないときは炊き上げメモリから第１炊き
上げ工程を呼び込み、また温度検出手段の温度検出信号
に基づき内釜温度があらかじめ設定した第２の所定温度
以下でないときは第４の炊き上げ工程を呼び込み、さら
に温度検出手段の温度検出信号に基づき内釜温度があら
かじめ設定した第３の所定温度以下でないときは第３の
炊き上げ工程を呼び込み、さらにまた温度検出手段の温
度検出信号に基づき内釜温度があらかじめ設定した第３
の所定温度以下のときは第２の炊き上げ工程を呼び込
み、これら呼び込んだ各工程を実施させる加熱制御信号
を加熱制御手段に出力する制御手段とを備えたことを特
徴とする炊飯器。4. An inner pot for containing rice and water, a heating unit for heating the inner pot, and a heating control unit for controlling heating of the heating unit.
Temperature detecting means for detecting the temperature in the inner pot, pot detecting means for detecting that the inner pot is set in the rice cooker body, a rice cooking key that outputs an ON signal during operation, and rice is cooked in a predetermined rice cooking process. After that, the first cooking step, in which the rice is moistened for a predetermined time, and then kept warm, is preheated by the preset first preheating time, then the rice is cooked in the predetermined rice cooking step, and then the steaming is performed in the predetermined even time. The second cooking step that starts warming and the second preheating time that is set in advance, then the rice is cooked at a predetermined cooking step, and the third cooking step that starts warming after moistening for a predetermined even time Cooking process that remembers the process and the 4th cooking process that preheats at the preset 3rd preheating time, then cooks rice at the specified rice cooking process, and then spreads it for the specified unevenness time and then keeps it warm Memory and kettle inspection ON detection signal and rice key means
When the inner pot temperature is not lower than the preset first predetermined temperature, it is determined whether the inner pot temperature is lower than the preset first predetermined temperature based on the temperature detection signal of the temperature detecting means. Calls the first cooking step from the cooking memory, and calls the fourth cooking step when the inner pot temperature is not lower than the second predetermined temperature set in advance based on the temperature detection signal of the temperature detecting means, and further the temperature When the inner pot temperature is not lower than the preset third predetermined temperature based on the temperature detection signal of the detection unit, the third cooking process is called, and the inner pot temperature is set beforehand based on the temperature detection signal of the temperature detection unit. Done 3rd
When the temperature is lower than or equal to the predetermined temperature, the rice cooker is equipped with a control means for invoking the second cooking process and outputting a heating control signal to the heating control means for executing each of the invoked steps.