JP6951863B2 - Cooker - Google Patents

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JP6951863B2
JP6951863B2 JP2017097423A JP2017097423A JP6951863B2 JP 6951863 B2 JP6951863 B2 JP 6951863B2 JP 2017097423 A JP2017097423 A JP 2017097423A JP 2017097423 A JP2017097423 A JP 2017097423A JP 6951863 B2 JP6951863 B2 JP 6951863B2
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光司 澁谷
光司 澁谷
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Rinnai Corp
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Description

本発明は、加熱調理器、特に、自動調理機能を備えた加熱調理器に関する。 The present invention relates to a cooker, particularly a cooker having an automatic cooking function.

従来、コンロやグリル装置などの加熱調理器において、使用者が選択設定した調理条件に対応する加熱制御シーケンスに基づいて加熱手段の出力熱量や作動時間を自動で調整する自動調理機能を備えたものが知られている(例えば、特許文献1参照)。 Conventionally, a cooking device such as a stove or a grill device has an automatic cooking function that automatically adjusts the output heat amount and operating time of the heating means based on the heating control sequence corresponding to the cooking conditions selected and set by the user. Is known (see, for example, Patent Document 1).

詳述すると、例えば、食材など被加熱物の調理方法(調理モード)や調理時間、加熱温度などの加熱条件を設定する設定入力手段と、調理容器や加熱庫内の温度を検出する温度検出手段と、加熱手段の作動時間を計測する計時手段とを備え、温度検出手段の検出温度が所定温度に達した場合や加熱手段の作動時間が所定時間に達した場合に、加熱手段を自動でオフにするように構成されている。このものでは、調理中、使用者が被加熱物の加熱状態を頻繁に監視する必要がないから、自動調理機能を備えていない加熱調理器に比べて使い勝手が格段に高い。 More specifically, for example, a setting input means for setting a cooking method (cooking mode) of an object to be heated such as a food material, a cooking time, and a heating condition such as a heating temperature, and a temperature detecting means for detecting the temperature in a cooking container or a heating chamber. And a time measuring means for measuring the operating time of the heating means, and automatically turns off the heating means when the detection temperature of the temperature detecting means reaches a predetermined temperature or when the operating time of the heating means reaches a predetermined time. It is configured to. Since it is not necessary for the user to frequently monitor the heating state of the object to be heated during cooking, this product is much more convenient than a cooking cooker that does not have an automatic cooking function.

特開2014−211802号公報Japanese Unexamined Patent Publication No. 2014-211802

ところで、この種の加熱調理器には、不安全な状況に陥った場合に、加熱手段の出力を低下させる安全装置が搭載されている。例えば、ガスコンロの場合、調理容器がバーナ(加熱手段)から外されると火力を小火力にしたり、調理容器の温度が異常上昇するとバーナを消火させたりして、調理容器の加熱を制限する安全装置が搭載されている。このような加熱制限動作は、たとえ自動調理中であっても、不安全な状況に陥れば実行されるため、実際の被加熱物の加熱状態が設定された加熱条件から逸脱し、自動調理による料理の完成度に影響を与えてしまう虞があった。 By the way, this kind of cooking cooker is equipped with a safety device that reduces the output of the heating means in the event of an unsafe situation. For example, in the case of a gas stove, it is safe to limit the heating of the cooking container by reducing the heating power when the cooking container is removed from the burner (heating means) or extinguishing the burner when the temperature of the cooking container rises abnormally. The device is installed. Since such a heating restriction operation is executed even during automatic cooking if an unsafe situation occurs, the actual heating state of the object to be heated deviates from the set heating conditions, and the automatic cooking is performed. There was a risk of affecting the completeness of the dish.

しかも、加熱手段が自動でオフにされた後の適切な残りの出力熱量や作動時間を使用者が判断するのは難しく、調理を再開する際の加熱手段の出力熱量や作動時間の設定によっては、調理の仕上がり状態にばらつきが生じる可能性もある。 Moreover, it is difficult for the user to determine the appropriate remaining output heat amount and operating time after the heating means are automatically turned off, and depending on the setting of the output heat amount and operating time of the heating means when resuming cooking. , There is a possibility that the finished state of cooking may vary.

本発明は、上記課題を鑑みてなされたものであり、その目的は、設定された加熱条件に基づいて加熱手段の出力熱量や作動時間を自動で調整する機能を備えた加熱調理器において、調理性能の向上を図ることにある。 The present invention has been made in view of the above problems, and an object of the present invention is to cook in a cooking device having a function of automatically adjusting the output heat amount and operating time of the heating means based on the set heating conditions. The purpose is to improve performance.

本発明は、被加熱物を加熱する加熱手段と、所定の加熱制御シーケンスに基づいて加熱手段の出力熱量や作動時間を調整する自動調理動作の制御手段とを備えた加熱調理器であって、被加熱物の温度状態を検出する温度検知手段と、温度検知手段の検出温度が所定温度以上になった場合に、加熱手段の出力熱量を前記検出温度が所定温度以上になった時点における設定出力熱量より小さい制限出力熱量に制限して加熱を継続する加熱制限動作の制御手段と、自動調理動作中に加熱制限動作が実行された場合に、加熱制限動作時における加熱手段の制限出力熱量および制限作動時間に基づく加熱制限度合に応じて、加熱制限後の自動調理動作における加熱手段の出力熱量又は作動時間の少なくとも何れか一方を補正する補正制御手段とを備え、加熱制限動作の制御手段は、加熱手段の出力熱量を制限出力熱量に制限して温度検知手段の検出温度が所定温度未満になった場合、加熱手段の出力熱量を制限出力熱量に維持して自動調理を継続させるものである。
The present invention is a heating cooker including a heating means for heating an object to be heated and a control means for an automatic cooking operation for adjusting the output heat amount and the operating time of the heating means based on a predetermined heating control sequence. When the detection temperature of the temperature detecting means for detecting the temperature state of the object to be heated and the detection temperature of the temperature detecting means becomes a predetermined temperature or higher, the output heat amount of the heating means is set and output when the detected temperature becomes the predetermined temperature or higher. Limited output heat amount smaller than the calorific value The control means of the heating limiting operation that continues heating by limiting the amount of heat, and the limited output calorific value and limiting of the heating means during the heating limiting operation when the heating limiting operation is executed during the automatic cooking operation. The heating limiting operation control means includes a correction control means for correcting at least one of the output heat amount and the operating time of the heating means in the automatic cooking operation after the heating limit according to the degree of heating limitation based on the operating time. When the output heat amount of the heating means is limited to the limited output heat amount and the detection temperature of the temperature detecting means becomes less than a predetermined temperature, the output heat amount of the heating means is maintained at the limited output heat amount and the automatic cooking is continued .

このものでは、自動調理中に温度検知手段の検出温度が所定温度以上になった場合に、加熱手段の出力熱量が所定以下に制限されるが、その制限された分の加熱手段の出力熱量(制限出力熱量)に基づいて、加熱制限後の自動調理動作における加熱度合が自動補正されるから、たとえ自動調理中に加熱手段の出力熱量が所定以下に制限されても、自動調理による料理の完成度を高く保つことができる。 In this product, when the detection temperature of the temperature detecting means exceeds a predetermined temperature during automatic cooking, the output heat amount of the heating means is limited to a predetermined amount or less, but the output heat amount of the heating means (the limited amount) Since the degree of heating in the automatic cooking operation after the heating restriction is automatically corrected based on the limited output heat amount), even if the output heat amount of the heating means is limited to a predetermined value or less during the automatic cooking, the cooking by the automatic cooking is completed. The degree can be kept high.

このものでは、焦げ付きそうな温度状態になって加熱制限機能が働いた後、再び自動調理動作が開始されても、焦げ付きを抑制することができる
In this case, even if the automatic cooking operation is started again after the heating limiting function is activated in a temperature state that is likely to be scorched, the scorching can be suppressed.

以上のように、本発明によれば、自動調理中に加熱手段の出力熱量が所定以下に制限されても、その後の自動調理動作における加熱手段の出力熱量や作動時間を自動補正して、自動調理による料理の完成度を高く保つことができるから、調理性能が向上する。 As described above, according to the present invention, even if the output heat amount of the heating means is limited to a predetermined value or less during automatic cooking, the output heat amount and operating time of the heating means in the subsequent automatic cooking operation are automatically corrected and automatically corrected. Since the degree of perfection of cooking can be kept high, cooking performance is improved.

図1は、本発明の実施の形態に係る加熱調理器の概略斜視図である。FIG. 1 is a schematic perspective view of a cooking device according to an embodiment of the present invention. 図2は、本発明の実施の形態に係る加熱調理器の概略構成図である。FIG. 2 is a schematic configuration diagram of a cooking device according to an embodiment of the present invention. 図3は、本発明の実施の形態に係る加熱調理器における自動調理時の制御動作を示すフローチャートである。FIG. 3 is a flowchart showing a control operation during automatic cooking in the cooking apparatus according to the embodiment of the present invention.

次に、上記した本発明を実施するための形態について、添付図面を参照しながら詳述する。 Next, the above-described embodiment of the present invention will be described in detail with reference to the accompanying drawings.

図1および図2に示すように、本発明の実施の形態に係る加熱調理器1は、天板11の上面に、食材や調理容器などの被加熱物を加熱する加熱手段として単数或いは複数のコンロバーナ21と、食材のグリル調理を行うためのグリル庫30とを備えたガスコンロである。グリル庫30の内部には、庫内の被加熱物を加熱する加熱手段として単数或いは複数のグリルバーナ31が組み込まれている。尚、本明細書では、本体ケース10の前面(本体前面)13を加熱調理器1の正面とし、加熱調理器1を正面側から見たときの本体ケース10の奥行き方向を前後方向、幅方向を左右方向、高さ方向を上下方向という。 As shown in FIGS. 1 and 2, the cooking cooker 1 according to the embodiment of the present invention has one or more heating means for heating an object to be heated such as foodstuffs and cooking containers on the upper surface of the top plate 11. It is a gas stove provided with a stove burner 21 and a grill storage 30 for grilling ingredients. Inside the grill chamber 30, a single or a plurality of grill burners 31 are incorporated as heating means for heating the object to be heated in the chamber. In this specification, the front surface (front surface of the main body) 13 of the main body case 10 is the front surface of the cooking cooker 1, and the depth direction of the main body case 10 when the cooking cooker 1 is viewed from the front side is the front-rear direction and the width direction. Is called the left-right direction, and the height direction is called the up-down direction.

天板11の上面におけるコンロバーナ21の外周には、鍋やフライパンなどの調理容器を下方から支持する五徳22が載置されている。コンロバーナ21の中央部には、五徳22上に載置された調理容器の底部に当接し、容器底面の温度状態を検出する温度検知手段としての鍋底温度センサ23が設けられている。コンロバーナ21の炎孔形成部の近傍には、ガスの燃焼炎の有無を検出する炎検知センサ24と、炎孔形成部の近傍で火花放電させる点火プラグ25とが設けられている。 On the outer circumference of the stove burner 21 on the upper surface of the top plate 11, a trivet 22 that supports a cooking container such as a pot or a frying pan from below is placed. At the center of the stove burner 21, a pot bottom temperature sensor 23 is provided as a temperature detecting means that abuts on the bottom of the cooking container placed on the trivet 22 and detects the temperature state of the bottom of the container. A flame detection sensor 24 for detecting the presence or absence of a combustion flame of gas and a spark plug 25 for discharging sparks in the vicinity of the flame hole forming portion of the control burner 21 are provided.

本体前面13には、コンロバーナ21やグリルバーナ31による被加熱物の加熱条件を設定入力するための設定操作パネル40と、加熱調理器1の主電源のオンおよびオフを手動操作するための電源スイッチ43と、コンロバーナ21の点火や消火、火力調整を手動操作するためのコンロ点消火操作子44と、グリルバーナ31の点火や消火、火力調整を手動操作するためのグリル点消火操作子45とが設けられている。 On the front surface 13 of the main body, there is a setting operation panel 40 for setting and inputting heating conditions of the object to be heated by the stove burner 21 and the grill burner 31, and a power switch for manually operating the main power on and off of the cooking cooker 1. 43, a stove point fire extinguishing operator 44 for manually operating the ignition, fire extinguishing, and thermal power adjustment of the stove burner 21, and a grill point fire extinguishing operator 45 for manually operating the ignition, fire extinguishing, and thermal power adjustment of the grill burner 31. It is provided.

グリル庫30内の後部(奥側)には、庫内の温度を検出する温度検知手段としての庫内温度センサ33が設けられている。グリルバーナ31の炎孔形成部の近傍には、ガスの燃焼炎の有無を検出する炎検知センサ34と、炎孔形成部の近傍で火花放電させる点火プラグ35とが設けられている(図2参照)。 An internal temperature sensor 33 is provided at the rear portion (back side) of the grill chamber 30 as a temperature detecting means for detecting the temperature inside the grill. A flame detection sensor 34 for detecting the presence or absence of a combustion flame of gas and a spark plug 35 for discharging sparks in the vicinity of the flame hole forming portion are provided in the vicinity of the flame hole forming portion of the grill burner 31 (see FIG. 2). ).

電源スイッチ43は、常に本体前面13よりも前方へ突出した状態で設けられており、一回押される毎に加熱調理器1の主電源がオンの状態とオフの状態とで交互に切り替わる。コンロ点消火操作子44およびグリル点消火操作子45は、本体ケース10内に埋没した加熱オフの状態からさらに後方へ押し込むことで、本体前面13より前方へ突出して加熱オンの状態になり、加熱オンの状態から再び後方へ押し戻すことで、上記加熱オフの状態になる。 The power switch 43 is always provided so as to project forward from the front surface 13 of the main body, and each time the power switch 43 is pressed, the main power supply of the cooking cooker 1 is alternately switched between an on state and an off state. The stove point fire extinguishing operator 44 and the grill point fire extinguishing operator 45 are pushed further backward from the heating off state buried in the main body case 10, so that they protrude forward from the main body front surface 13 and become a heating on state. By pushing it back from the on state again, the heating off state is set.

コンロ点消火操作子44およびグリル点火操作子45にはそれぞれ、点火操作によりオンとなり、消火操作によりオフとなるオルタネートスイッチと、複数(例えば、9つ)の接点を有するロータリースイッチとを備えており、点火操作がなされた後、左右に回動させれば、その回動位置に対応する火力(出力熱量)が選択設定される。 The stove point fire extinguishing operator 44 and the grill ignition operator 45 each include an alternate switch that is turned on by an ignition operation and turned off by a fire extinguishing operation, and a rotary switch having a plurality of (for example, nine) contacts. After the ignition operation is performed, if it is rotated to the left or right, the thermal power (output heat amount) corresponding to the rotation position is selected and set.

設定操作パネル40には、被加熱物の加熱方法(調理モード)や加熱時間、加熱温度など自動調理の加熱条件を設定入力する設定入力スイッチ46と、設定入力スイッチ46により設定された加熱条件を表示する設定表示部47とが設けられている。 On the setting operation panel 40, a setting input switch 46 for setting and inputting heating conditions for automatic cooking such as a heating method (cooking mode), heating time, and heating temperature of the object to be heated, and heating conditions set by the setting input switch 46 are displayed. A setting display unit 47 for displaying is provided.

設定入力スイッチ46は、湯沸し、煮物、揚物、炊飯などの調理モードを選択設定するための調理モード設定スイッチ、自動調理時間を設定するためのタイマ設定スイッチ、被加熱物の加熱温度を設定するための温度設定スイッチ、設定された加熱時間や加熱温度を加減するための加減スイッチなどからなり、これら各スイッチを用いて被加熱物の加熱条件を設定入力することができる。 The setting input switch 46 is a cooking mode setting switch for selecting and setting a cooking mode such as boiling water, boiled food, fried food, and rice cooking, a timer setting switch for setting an automatic cooking time, and a heating temperature for a heated object. It consists of a temperature setting switch, an adjustment switch for adjusting the set heating time and heating temperature, and the like, and the heating conditions of the object to be heated can be set and input using each of these switches.

図2に示すように、本体ケース10の内部には、コンロ点消火操作子44による点火操作や消火操作、火力設定操作に応じてコンロバーナ21への燃料ガスの供給量を調整するコンロバーナ21用のバルブユニット26と、グリル点消火操作子45による点火操作や消火操作、火力設定操作に応じてグリルバーナ31への燃料ガスの供給量を調整するグリルバーナ31用のバルブユニット36とが設けられている。コンロバーナ21およびグリルバーナ31は、図示しないガス配管から各バルブユニット26,36を介して供給される燃料ガスを空気と混合して着火させ、燃焼排ガスを生成する。 As shown in FIG. 2, inside the main body case 10, the stove burner 21 adjusts the amount of fuel gas supplied to the stove burner 21 according to the ignition operation, the fire extinguishing operation, and the thermal power setting operation by the stove point fire extinguishing controller 44. A valve unit 26 for the grill burner 31 and a valve unit 36 for the grill burner 31 that adjusts the amount of fuel gas supplied to the grill burner 31 according to the ignition operation, the fire extinguishing operation, and the thermal power setting operation by the grill point fire extinguishing controller 45 are provided. There is. The control burner 21 and the grill burner 31 mix fuel gas supplied from a gas pipe (not shown) via the valve units 26 and 36 with air and ignite the fuel gas to generate combustion exhaust gas.

コンロバーナ21用のバルブユニット26は、コンロ点消火操作子44にて点火操作がなされれば開き、炎検知センサ24にてガスの燃焼炎が検出されなくなれば閉じる電磁開閉弁、コンロ点消火操作子44にて点火操作がなされれば開き、消火操作がなされれば閉じる主弁、コンロ点消火操作子44の火力設定操作に合わせて開度調整されるニードル弁、制御回路50からの火力変更の指示に応じて開度を切り替える火力切替弁などからなり、これら各弁体によってコンロバーナ21へのガスの供給量が適宜調整される。 The valve unit 26 for the stove burner 21 is an electromagnetic on-off valve and a stove point fire extinguishing operation that opens when the ignition operation is performed by the stove point fire extinguishing controller 44 and closes when the gas combustion flame is no longer detected by the flame detection sensor 24. Main valve that opens when ignition operation is performed on the child 44 and closes when fire extinguishing operation is performed, needle valve whose opening is adjusted according to the thermal power setting operation of the stove point fire extinguishing operator, and thermal power change from the control circuit 50 It is composed of a thermal power switching valve that switches the opening degree according to the instruction of the above, and the amount of gas supplied to the controller 21 is appropriately adjusted by each of these valves.

グリルバーナ31用のバルブユニット36は、グリル点消火操作子45にて点火操作がなされれば開き、炎検知センサ34にてガスの燃焼炎が検出されなくなれば閉じる電磁開閉弁、グリル点消火操作子45にて点火操作がなされれば開き、消火操作がなされれば閉じる主弁、グリル点消火操作子45の火力設定操作に合わせて開度調整されるニードル弁、制御回路50からの火力変更の指示に応じて開度を切り替える火力切替弁などからなり、これら各弁体によってグリルバーナ31へのガスの供給量が適宜調整される。 The valve unit 36 for the grill burner 31 is an electromagnetic on-off valve and a grill point fire extinguishing actuator that opens when the grill point fire extinguishing actuator 45 ignites and closes when the gas combustion flame is no longer detected by the flame detection sensor 34. Main valve that opens when ignition operation is performed at 45 and closes when fire extinguishing operation is performed, needle valve whose opening is adjusted according to the thermal power setting operation of the grill point fire extinguishing controller 45, and thermal power change from the control circuit 50 It is composed of a thermal power switching valve that switches the opening degree according to an instruction, and the amount of gas supplied to the grill burner 31 is appropriately adjusted by each of these valves.

本体ケース10内における鍋底温度センサ23の下方位置には、五徳22上に調理容器が載置されているか否かを検出する被加熱物検知手段としての鍋検知センサ27が設けられている。詳述すると、鍋底温度センサ23は、五徳22の上面(調理容器の載置面)より上方へ突出した状態で、且つ、上下に摺動可能な状態で支持されており、鍋検知センサ27は、五徳22上に調理容器が載置され、鍋底温度センサ23が図示しないバネ部材の弾性力に抗して押し下げられることでオン状態となり、五徳22上から調理容器が外され、鍋底温度センサ23が上記バネ部材の弾性力によって元の突出位置まで押し上げられることでオフ状態となるように構成されている。 At a position below the pot bottom temperature sensor 23 in the main body case 10, a pot detection sensor 27 is provided as a means for detecting an object to be heated to detect whether or not a cooking container is placed on the trivet 22. More specifically, the pot bottom temperature sensor 23 is supported in a state of protruding upward from the upper surface (placement surface of the cooking container) of the trivet 22 and in a state of being slidable up and down, and the pot detection sensor 27 is supported. , A cooking container is placed on the trivet 22, and the pot bottom temperature sensor 23 is pushed down against the elastic force of a spring member (not shown) to turn it on. The cooking container is removed from the trivet 22 and the pot bottom temperature sensor 23 is removed. Is configured to be turned off by being pushed up to the original protruding position by the elastic force of the spring member.

本体ケース10内における天板11の下面側の中央前寄りの位置には、設定された調理モードや各バーナ21,31の設定火力、調理時間など、加熱調理器1の動作情報や加熱条件を表示する情報表示部41が設けられている。また、本体ケース10の内部には、加熱調理器1全体の動作を制御する制御回路50が組み込まれている。 At the position near the center on the lower surface side of the top plate 11 in the main body case 10, the operation information and heating conditions of the cooking cooker 1 such as the set cooking mode, the set heating power of each burners 21 and 31, and the cooking time are displayed. An information display unit 41 for displaying is provided. Further, inside the main body case 10, a control circuit 50 that controls the operation of the entire cooking cooker 1 is incorporated.

鍋底温度センサ23、庫内温度センサ33、炎検知センサ24,34、点火プラグ25,35に高電圧を印加する図示しないイグナイタ、バルブユニット26,36の弁駆動部、鍋検知センサ27、電源スイッチ43、コンロ点消火操作子44の各スイッチ、グリル点消火操作子45の各スイッチ、設定入力スイッチ46、および設定表示部47は何れも、電気配線を通じて制御回路50に接続されている。 An igniter (not shown) that applies a high voltage to the pot bottom temperature sensor 23, the internal temperature sensor 33, the flame detection sensors 24, 34, and the ignition plugs 25, 35, the valve drive unit of the valve units 26, 36, the pot detection sensor 27, and the power switch. 43, each switch of the stove point fire extinguishing operator 44, each switch of the grill point fire extinguishing operator 45, the setting input switch 46, and the setting display unit 47 are all connected to the control circuit 50 through electrical wiring.

制御回路50は、各バーナ21,31の点火や消火、火力設定を行うバーナ制御部、情報表示部41および設定表示部47の表示を制御する表示制御部、炎検知センサ24,34の出力値に基づいて各バーナ21,31の点火や消火を判定する点消火判定部、鍋底温度センサ23の検出温度(鍋底温度)に基づいて五徳22上に載置された調理容器の温度状態を判定する鍋温度判定部、庫内温度センサ33の検出温度(庫内温度)に基づいてグリル庫30内の温度状態を判定する庫内温度判定部、鍋検知センサ27のオンオフ状態に基づいて五徳22上に調理容器が載置されていない「鍋なし」の状態であるか否かを判定する鍋なし判定部、設定入力スイッチ46により設定された加熱条件に対応する加熱制御シーケンスに基づいてバーナ21,31の火力(出力熱量)や燃焼時間(作動時間)を自動で調整する自動調理動作の制御部等の回路構成を有している。 The control circuit 50 is a burner control unit that ignites, extinguishes, and sets the thermal power of the burners 21 and 31, a display control unit that controls the display of the information display unit 41 and the setting display unit 47, and output values of the flame detection sensors 24 and 34. Judging the ignition and extinguishing of each burner 21 and 31 based on The pot temperature determination unit, the internal temperature determination unit that determines the temperature state inside the grill chamber 30 based on the detection temperature (internal temperature) of the internal temperature sensor 33, the trivet 22 based on the on / off state of the pan detection sensor 27 Burner 21, based on the heating control sequence corresponding to the heating conditions set by the setting input switch 46, the panless determination unit that determines whether or not the cooking container is not placed in the "no pan" state. It has a circuit configuration such as a control unit for automatic cooking operation that automatically adjusts the thermal power (output heat amount) and burning time (operating time) of 31.

さらに、制御回路50は、自動調理中に対応する温度センサ23,33の検出温度Thが設定上限温度T1に達した場合、或いは、対応する鍋検知センサ27によって「鍋なし」が検出された場合に、対応するバーナ21,31の火力を設定より小さくする加熱制限動作の制御部、自動調理動作の実行時間(自動調理時間)を計測する調理タイマ、加熱制限動作の実行時間(制限加熱時間)を計測する制限タイマ、自動調理中の加熱調理器1の動作情報を記憶する記憶部、調理タイマの計測時間が設定調理時間S1に達したか否かを判定する自動調理終了判定部、制限タイマの計測時間に基づいて設定調理時間S1を延長補正する補正制御部等の回路構成を有している。 Further, in the control circuit 50, when the detection temperature Th of the corresponding temperature sensors 23 and 33 reaches the set upper limit temperature T1 during automatic cooking, or when "no pot" is detected by the corresponding pot detection sensor 27. In addition, the control unit of the heating limiting operation that makes the heating power of the corresponding burners 21 and 31 smaller than the set, the cooking timer that measures the execution time of the automatic cooking operation (automatic cooking time), the execution time of the heating limiting operation (limited heating time) A limit timer for measuring, a storage unit for storing operation information of the cooking cooker 1 during automatic cooking, an automatic cooking end determination unit for determining whether or not the set cooking time S1 has been reached, and a limit timer. It has a circuit configuration such as a correction control unit that extends and corrects the set cooking time S1 based on the measurement time of.

上記制御回路50によるコンロバーナ21の自動調理時の制御動作を、図3のフローチャートに従って説明する。尚、図示しないが、以下の制御動作が実行されるにあたって、電源スイッチ43にて主電源のオン操作がなされると、制御回路50に組み込まれた加熱調理器1の主制御プログラムが起動し、各バーナ21,31が手動で点火可能な状態となる。また、情報表示部41には加熱調理器1の動作状態や設定情報などを表示させ、設定表示部47には設定された調理時間や加熱温度などを表示させる。そしてさらに、例えば、コンロバーナ21に対応する設定入力スイッチ46の調理モード設定スイッチによって調理モードが選択設定されると、その設定された調理モードでのコンロバーナ21による自動調理動作が実行可能な状態となる。また、情報表示部41には設定された調理モードにおける残りの調理時間を表示させる。 The control operation of the stove burner 21 at the time of automatic cooking by the control circuit 50 will be described with reference to the flowchart of FIG. Although not shown, when the main power supply is turned on by the power switch 43 when the following control operation is executed, the main control program of the cooking cooker 1 incorporated in the control circuit 50 is activated. The burners 21 and 31 are in a state where they can be manually ignited. Further, the information display unit 41 displays the operating state and setting information of the cooking device 1, and the setting display unit 47 displays the set cooking time and heating temperature. Further, for example, when the cooking mode is selected and set by the cooking mode setting switch of the setting input switch 46 corresponding to the stove burner 21, the automatic cooking operation by the stove burner 21 in the set cooking mode can be executed. It becomes. In addition, the information display unit 41 displays the remaining cooking time in the set cooking mode.

上記のように調理モードが設定されたコンロバーナ21において、対応するコンロ点消火操作子44により点火操作がなされると、点火プラグ25から火花放電させると共に、対応するバルブユニット26の電磁開閉弁および主弁を開く。また、上記点火操作に伴ってニードル弁の開度が所定の点火時開度に調整される。その結果、コンロバーナ21に設定量の燃料ガスが供給され、上記火花放電により点火される。また、対応する炎検知センサ24にて燃焼炎が検知されると、対応するバルブユニット26の火力切替弁を調理モードに対応する開度に設定してコンロバーナ21の火力を設定火力(例えば、中火力)に調整し、さらに調理タイマを作動させて、自動調理動作の実行時間、即ち、自動調理時間の計測を開始する(ST1〜ST2)。 In the stove burner 21 in which the cooking mode is set as described above, when the ignition operation is performed by the corresponding stove point fire extinguishing operator 44, sparks are discharged from the spark plug 25, and the electromagnetic on-off valve of the corresponding valve unit 26 and the electromagnetic on-off valve of the corresponding valve unit 26 and Open the main valve. Further, the opening degree of the needle valve is adjusted to a predetermined ignition opening degree in accordance with the ignition operation. As a result, a set amount of fuel gas is supplied to the stove burner 21 and ignited by the spark discharge. When a combustion flame is detected by the corresponding flame detection sensor 24, the thermal power switching valve of the corresponding valve unit 26 is set to the opening corresponding to the cooking mode, and the thermal power of the stove burner 21 is set to the set thermal power (for example,). (Medium heat) is adjusted, and the cooking timer is further activated to start measuring the execution time of the automatic cooking operation, that is, the automatic cooking time (ST1 to ST2).

そして、自動調理時間が設定調理時間S1(例えば、10分)に達するまでの間、鍋検知センサ27によって「鍋なし」が検出されたか否か、鍋底温度センサ23の検出温度(以下、「鍋底温度」という)Thが設定上限温度T1(例えば、250℃)に達したか否かを監視する(ST3〜ST5)。 Then, until the automatic cooking time reaches the set cooking time S1 (for example, 10 minutes), whether or not "no pot" is detected by the pot detection sensor 27 and the detection temperature of the pot bottom temperature sensor 23 (hereinafter, "pot bottom"). It monitors whether Th (referred to as "temperature") has reached the set upper limit temperature T1 (for example, 250 ° C.) (ST3 to ST5).

尚、図示しないが、上記のように設定された調理モードにて自動調理動作が開始された後は、対応する設定入力スイッチ46により加熱条件の設定入力を行っても設定変更は行なわれない。即ち、加熱条件の設定変更の受け付けが拒否される。 Although not shown, after the automatic cooking operation is started in the cooking mode set as described above, the setting is not changed even if the setting input of the heating condition is performed by the corresponding setting input switch 46. That is, the acceptance of the setting change of the heating condition is rejected.

その後、自動調理時間が設定調理時間S1に達した場合は(ST3のステップでYes)、対応するバルブユニット26の電磁開閉弁を閉じてコンロバーナ21へのガスの供給を強制的に遮断し、消火させると共に、調理タイマを停止させ、自動調理動作を終了する(ST6〜ST7)。また、図示しないが、情報表示部41に表示されていた残りの調理時間や設定情報、設定表示部47に表示されていた調理時間や加熱温度などの表示を消去させる。 After that, when the automatic cooking time reaches the set cooking time S1 (Yes in the step of ST3), the electromagnetic on-off valve of the corresponding valve unit 26 is closed to forcibly shut off the gas supply to the stove burner 21. The fire is extinguished, the cooking timer is stopped, and the automatic cooking operation is terminated (ST6 to ST7). Further, although not shown, the display of the remaining cooking time and setting information displayed on the information display unit 41 and the cooking time and heating temperature displayed on the setting display unit 47 is erased.

尚、図示しないが、上記ST3からST5のステップの実行中に、対応するコンロ点消火操作子44により手動で消火操作がなされるか、或いは、何らかの原因により失火し、対応する炎検知センサ24にて燃焼炎が検知されなくなった場合も同様、コンロバーナ21へのガスの供給を強制的に遮断すると共に、調理タイマを停止させ、自動調理動作を終了する。 Although not shown, during the execution of the steps from ST3 to ST5, the corresponding stove point fire extinguishing controller 44 manually extinguishes the fire, or the fire is misfired for some reason and the corresponding flame detection sensor 24 is used. Similarly, when the combustion flame is no longer detected, the supply of gas to the stove burner 21 is forcibly cut off, the cooking timer is stopped, and the automatic cooking operation is terminated.

上記ST3からST5のステップの実行中に調理容器が五徳22上から外され、鍋検知センサ27によって「鍋なし」が検出された場合、即ち、鍋検知センサ27がオフ状態になった場合は(ST4のステップでYes)、対応するバルブユニット26の火力切替弁を所定の制限開度に設定してコンロバーナ21の火力を「鍋なし」検出時の設定火力より小さい制限火力(例えば、最小火力)に調整し、さらに制限タイマを作動させて、加熱制限動作の実行時間、即ち、制限作動時間の計測を開始する(ST8〜ST9)。 When the cooking container is removed from the top of the trivet 22 during the execution of the steps ST3 to ST5 and "no pot" is detected by the pot detection sensor 27, that is, when the pot detection sensor 27 is turned off ( Yes), set the thermal power switching valve of the corresponding valve unit 26 to a predetermined limit opening, and set the thermal power of the stove burner 21 to a limited thermal power smaller than the set thermal power when "no pot" is detected (for example, the minimum thermal power). ), And further activate the limit timer to start measuring the execution time of the heating limit operation, that is, the limit operation time (ST8 to ST9).

尚、図示しないが、加熱制限動作が開始されてから再び鍋検知センサ27によって「鍋なし」が検出されなくなるまでの間に、自動調理時間が設定調理時間S1に達した場合は、対応するコンロバーナ21を消火させると共に、調理タイマを停止させ、自動調理動作を終了する(ST6〜ST7)。また、制限タイマも同時に停止させ、さらには上記したように、情報表示部41および設定表示部47の表示も消去させる。 Although not shown, if the automatic cooking time reaches the set cooking time S1 between the start of the heating restriction operation and the time when the pot detection sensor 27 does not detect "no pot" again, the corresponding stove is used. The fire of the burner 21 is extinguished, the cooking timer is stopped, and the automatic cooking operation is terminated (ST6 to ST7). Further, the limit timer is also stopped at the same time, and as described above, the display of the information display unit 41 and the setting display unit 47 is also erased.

加熱制限動作が開始されてから自動調理時間が設定調理時間S1に達するまでの間に、再び鍋検知センサ27によって「鍋なし」が検出されなくなった場合、即ち、鍋検知センサ27が再びオン状態になった場合は(ST10のステップでNo)、対応するバルブユニット26の火力切替弁を調理モードに対応する開度に設定してコンロバーナ21の火力を元の設定火力に戻すと共に、制限タイマを停止させる(ST11〜ST12)。 When "no pot" is not detected again by the pot detection sensor 27 between the start of the heating restriction operation and the time when the set cooking time S1 is reached, that is, the pot detection sensor 27 is turned on again. If (No in the step of ST10), set the heating power switching valve of the corresponding valve unit 26 to the opening corresponding to the cooking mode, return the heating power of the stove burner 21 to the original set heating power, and limit the timer. Is stopped (ST11 to ST12).

そして、制限タイマによって計測された制限作動時間から鍋なし時の補正時間E1を算出し、設定調理時間S1に加算した上で、調理タイマの計測時間(自動調理時間)がその延長補正された設定調理時間S1に達するまで、引き続き自動調理が行われる(ST13,ST3〜ST5)。また、図示しないが、情報表示部41には、上記のように延長補正された設定調理時間S1から算出した残りの調理時間を表示させる。 Then, the correction time E1 when there is no pot is calculated from the limited operation time measured by the limit timer, added to the set cooking time S1, and then the measurement time (automatic cooking time) of the cooking timer is extended and corrected. Automatic cooking continues until the cooking time S1 is reached (ST13, ST3 to ST5). Further, although not shown, the information display unit 41 displays the remaining cooking time calculated from the set cooking time S1 extended and corrected as described above.

尚、上記実施の形態では、鍋なし時の補正時間E1は、制限タイマによって計測された制限作動時間とされる。具体的には、例えば設定火力の出力熱量をQとして、制限タイマによって計測された制限作動時間がC1である場合は、調理容器がC1時間加熱されていなかったため、加熱制限動作が一度も行なわれなかったときの自動調理時の総熱量に対してQ×C1分の熱量が不足する。従って、鍋なし時の補正時間E1=C1とする。或いは、加熱中に調理容器に蓄積された熱量も考慮して、C1から所定値差し引いた時間、即ち、E1=C1−A(但し、0<A<C1)とする。 In the above embodiment, the correction time E1 without the pan is the limited operating time measured by the limiting timer. Specifically, for example, when the limited operating time measured by the limiting timer is C1 with the output heat amount of the set thermal power as Q, the cooking container has not been heated for C1 hours, so that the heating limiting operation is performed even once. The amount of heat for Q × C1 is insufficient for the total amount of heat for automatic cooking when there is no such thing. Therefore, the correction time E1 = C1 when there is no pot. Alternatively, the time obtained by subtracting a predetermined value from C1 in consideration of the amount of heat accumulated in the cooking container during heating, that is, E1 = C1-A (however, 0 <A <C1) is set.

上記ST3からST5のステップの実行中に被加熱物が過熱状態となり、鍋底温度Thが設定上限温度T1に達した場合も(ST5のステップでYes)、ST8からST9のステップと同様、コンロバーナ21の火力を上記過熱検出時の設定火力より小さい制限火力(例えば、最小火力)に調整し、さらに制限タイマを作動させて、制限作動時間の計測を開始する(ST14〜ST15)。 Even if the object to be heated becomes overheated during the execution of the steps from ST3 to ST5 and the pot bottom temperature Th reaches the set upper limit temperature T1 (Yes in the step of ST5), the controller 21 is the same as in the steps of ST8 to ST9. The thermal power of the above is adjusted to a limited thermal power (for example, the minimum thermal power) smaller than the set thermal power at the time of overheat detection, and further, the limiting timer is operated to start the measurement of the limited operating time (ST14 to ST15).

尚、図示しないが、加熱制限動作が開始されてから再び鍋底温度Thが設定上限温度T1より低くなるまでの間に、自動調理時間が設定調理時間S1に達した場合は、対応するコンロバーナ21を消火させると共に、調理タイマを停止させ、自動調理動作を終了する(ST6〜ST7)。また、図示しないが、制限タイマも同時に停止させ、さらには上記したように、情報表示部41および設定表示部47の表示も消去させる。 Although not shown, if the automatic cooking time reaches the set cooking time S1 between the start of the heating restriction operation and the time when the pot bottom temperature Th becomes lower than the set upper limit temperature T1 again, the corresponding stove burner 21 The fire is extinguished, the cooking timer is stopped, and the automatic cooking operation is terminated (ST6 to ST7). Further, although not shown, the limit timer is also stopped at the same time, and as described above, the display of the information display unit 41 and the setting display unit 47 is also erased.

加熱制限動作が開始されてから自動調理時間が設定調理時間S1に達するまでの間に、再び鍋底温度Thが設定上限温度T1より低くなった場合、即ち、被加熱物の温度が再び過熱状態から脱した場合は(ST16のステップでNo)、対応するバルブユニット26の火力切替弁を制限開度に設定保持してコンロバーナ21の火力を元の設定火力に戻すと共に、制限タイマを停止させる(ST17〜ST18)。 When the pot bottom temperature Th becomes lower than the set upper limit temperature T1 again between the start of the heating restriction operation and the time when the automatic cooking time reaches the set cooking time S1, that is, the temperature of the object to be heated is again from the overheated state. If it is removed (No in the step of ST16), the thermal power switching valve of the corresponding valve unit 26 is set and held at the limit opening, the thermal power of the stove burner 21 is returned to the original set thermal power, and the limit timer is stopped ( ST17 to ST18).

そして、制限タイマによって計測された制限作動時間から過熱時の補正時間E2を算出し、設定調理時間S1に加算した上で、調理タイマの計測時間(自動調理時間)がその延長補正された設定調理時間S1に達するまで、引き続き自動調理が行われる(ST19,ST3〜ST5)。また、図示しないが、情報表示部41には、上記のように延長補正された設定調理時間S1から算出した残りの調理時間を表示させる。 Then, the correction time E2 at the time of overheating is calculated from the limited operation time measured by the limit timer, added to the set cooking time S1, and then the measurement time (automatic cooking time) of the cooking timer is extended and corrected for the set cooking. Automatic cooking continues until time S1 is reached (ST19, ST3 to ST5). Further, although not shown, the information display unit 41 displays the remaining cooking time calculated from the set cooking time S1 extended and corrected as described above.

尚、上記実施の形態では、過熱時の補正時間E2は、制限タイマによって計測された制限作動時間と制限火力における出力熱量とから算出される。具体的には、例えば設定火力の出力熱量をQ、制限火力の出力熱量をqとして、制限タイマによって計測された制限作動時間がC2である場合は、調理容器が制限火力時の出力熱量qにてC2時間加熱されていたため、加熱制限動作が一度も行なわれなかったときの自動調理時の総熱量に対して(Q−q)×C2分の熱量が不足する。従って、過熱時の補正時間E2=(Q−q)×C2/qとする。 In the above embodiment, the correction time E2 at the time of overheating is calculated from the limited operating time measured by the limited timer and the output heat amount at the limited thermal power. Specifically, for example, when the output heat amount of the set thermal power is Q and the output heat amount of the limited thermal power is q, and the limited operating time measured by the limiting timer is C2, the cooking container is set to the output heat amount q at the limited thermal power. Since it was heated for C2 hours, the amount of heat of (Qq) × C2 is insufficient with respect to the total amount of heat during automatic cooking when the heating limiting operation is never performed. Therefore, the correction time at the time of overheating is set to E2 = (Q−q) × C2 / q.

上記制御動作では、コンロバーナ21での自動調理について説明したが、グリルバーナ31における自動調理動作が実行された場合、即ち、グリルバーナ31に対応する調理モードが選択設定された後、グリル点消火操作子45により点火操作がなされた場合は、ST4のステップ、およびST8からST13のステップを行なわず、また、ST5およびST16のステップでは、庫内温度センサ33の検出温度(庫内温度)Thが設定上限温度T1以上であるか否かを判定する。即ち、ST2のステップにてグリルバーナ31による自動加熱動作の実行時間(自動調理時間)の計測が開始された後、その自動調理時間が設定調理時間S1(例えば、20分)に達するまでの間、庫内温度Thが設定上限温度T1(例えば、200℃)に達したか否かを監視する。 In the above control operation, the automatic cooking on the stove burner 21 has been described. However, when the automatic cooking operation on the grill burner 31 is executed, that is, after the cooking mode corresponding to the grill burner 31 is selected and set, the grill point fire extinguishing operator When the ignition operation is performed by 45, the steps of ST4 and ST8 to ST13 are not performed, and in the steps of ST5 and ST16, the detection temperature (inside temperature) Th of the inside temperature sensor 33 is the set upper limit. It is determined whether or not the temperature is T1 or higher. That is, after the measurement of the execution time (automatic cooking time) of the automatic heating operation by the grill burner 31 is started in the step of ST2, until the automatic cooking time reaches the set cooking time S1 (for example, 20 minutes). It is monitored whether or not the internal temperature Th has reached the set upper limit temperature T1 (for example, 200 ° C.).

また、庫内温度Thが設定上限温度T1に達した場合は(ST5のステップでYes)、グリルバーナ31の火力を制限火力に調整する(ST14)。一方、庫内温度Thが再び設定上限温度T1より低くなった場合は(ST16のステップでNo)、グリルバーナ31の火力を元の設定火力に戻す(ST19)。 When the internal temperature Th reaches the set upper limit temperature T1 (Yes in the step of ST5), the heating power of the grill burner 31 is adjusted to the limiting heating power (ST14). On the other hand, when the internal temperature Th becomes lower than the set upper limit temperature T1 again (No in the step of ST16), the heating power of the grill burner 31 is returned to the original set heating power (ST19).

このように、上記加熱調理器1によれば、自動調理中に鍋検知センサ27や鍋底温度センサ23などの異常検知手段によって被加熱物の加熱異常(鍋なし、過熱)が検出され、バーナ21,31の火力が所定以下に制限されても、その制限された期間のバーナ21,31の作動時間(補正時間E1,E2)に基づいて、加熱制限後の自動調理動作におけるバーナ21,31の作動時間(設定加熱時間S1)が自動補正されるから、実際の被加熱物の加熱状態が設定された加熱条件から逸脱し難い。よって、自動調理による料理の完成度を高く保つことができる。 As described above, according to the heating cooker 1, a heating abnormality (no pot, overheating) of the object to be heated is detected by an abnormality detecting means such as a pot detection sensor 27 and a pot bottom temperature sensor 23 during automatic cooking, and the burner 21 , 31 Even if the thermal power of the burners 21 and 31 is limited to a predetermined value or less, the burners 21 and 31 in the automatic cooking operation after the heating restriction are based on the operating time (correction time E1 and E2) of the burners 21 and 31 during the limited period. Since the operating time (set heating time S1) is automatically corrected, it is difficult for the actual heating state of the object to be heated to deviate from the set heating conditions. Therefore, it is possible to maintain a high degree of perfection of cooking by automatic cooking.

また、バーナ21,31の火力や作動時間を使用者が手動で設定し直す必要がないし、加熱制限後のバーナ21,31の火力や作動時間を使用者自らが判断する必要もないから、使い勝手が良好であると共に、調理の仕上がり状態のばらつきも生じ難い。 In addition, the user does not have to manually reset the thermal power and operating time of the burners 21 and 31, and the user does not have to judge the thermal power and operating time of the burners 21 and 31 after the heating is restricted. Is good, and variations in the finished state of cooking are unlikely to occur.

さらに、上記加熱調理器1によれば、自動調理中に被加熱物の加熱異常が検出され、バーナ21,31の作動時間(設定加熱時間S1)が延長補正された場合は、その延長補正された設定調理時間S1から算出した残りの調理時間を情報表示部41に表示させるから、使い勝手が一層良好である。 Further, according to the heating cooker 1, if a heating abnormality of the object to be heated is detected during automatic cooking and the operating time (set heating time S1) of the burners 21 and 31 is extended and corrected, the extension is corrected. Since the information display unit 41 displays the remaining cooking time calculated from the set cooking time S1, the usability is further improved.

尚、上記実施の形態では、自動調理中に加熱制限動作がなされた場合に、設定調理時間S1を延長補正するものを説明したが、加熱制限後の自動調理動作におけるバーナ21,31の火力を制限タイマの計測時間に基づいて算出し、増加補正させるように構成されたものとしてもよいし、加熱制限後の自動調理動作における設定調理時間S1およびバーナ21,31の火力をそれぞれ制限タイマの計測時間に基づいて算出し、補正させるように構成されたものとしてもよい。 In the above embodiment, when the heating restriction operation is performed during the automatic cooking, the set cooking time S1 is extended and corrected. However, the thermal power of the burners 21 and 31 in the automatic cooking operation after the heating restriction is used. It may be configured to be calculated based on the measurement time of the limit timer and to be increased and corrected, or the set cooking time S1 and the thermal powers of the burners 21 and 31 in the automatic cooking operation after the heating limit are measured by the limit timer, respectively. It may be configured to be calculated and corrected based on time.

また、上記実施の形態では、自動調理中に加熱制限動作がなされた場合に、制限タイマの計測時間に基づいて設定調理時間S1を延長補正するものを説明したが、制限タイマの計測時間および加熱制限動作中のバーナ21,31の設定火力に基づき、必要とされる残りの加熱量(不足熱量)を算出し、その不足熱量に応じて後の設定調理時間S1又はバーナ21,31の火力の一方又は両方を補正するように構成されたものとしてもよい。 Further, in the above embodiment, when the heating limiting operation is performed during automatic cooking, the set cooking time S1 is extended and corrected based on the measurement time of the limiting timer. However, the measurement time and heating of the limiting timer have been described. The required remaining heating amount (insufficient heat amount) is calculated based on the set thermal power of the burners 21 and 31 during the limited operation, and the later set cooking time S1 or the thermal power of the burners 21 and 31 is calculated according to the insufficient heat amount. It may be configured to correct one or both.

また、上記実施の形態では、自動調理動作中に加熱制限動作がなされた場合に、制限タイマの計測時間に基づいて設定調理時間S1を延長補正するように構成されたものを説明したが、自動調理動作中に加熱制限動作がなされた場合に、調理タイマによる自動調理時間の計測を中断させ、加熱制限が解除されれば、再び調理タイマによる自動調理時間の計測を継続させるように構成されたもの、即ち、自動調理動作中に加熱制限動作がなされた場合に、調理タイマによる自動調理時間の計測を中断させ、その中断時間分だけ自動調理動作におけるコンロバーナ21の作動時間を延長補正するように構成されたものとしてもよい。 Further, in the above embodiment, when the heating limiting operation is performed during the automatic cooking operation, the set cooking time S1 is extended and corrected based on the measurement time of the limiting timer. When the heating restriction operation is performed during the cooking operation, the automatic cooking time measurement by the cooking timer is interrupted, and when the heating restriction is released, the automatic cooking time measurement by the cooking timer is continued again. That is, when the heating restriction operation is performed during the automatic cooking operation, the measurement of the automatic cooking time by the cooking timer is interrupted, and the operating time of the controller 21 in the automatic cooking operation is extended and corrected by the interruption time. It may be configured in.

また、上記実施の形態では、加熱制限動作の開始後、鍋底温度Thが再び設定上限温度T1より低くなれば、対応するコンロバーナ21の火力を元の設定火力に戻して自動調理を継続するように構成されたものを説明したが、加熱制限動作の開始後、鍋底温度Thが再び設定上限温度T1より低くなれば、対応するコンロバーナ21の火力を制限火力に維持したまま自動調理を継続するように構成されたものとしてもよい。これにより、調理容器の底が焦げ付きそうな温度状態になって加熱制限機能が働いた後、再び自動調理動作が開始されても、上記焦げ付きを抑制することができる。 Further, in the above embodiment, if the pot bottom temperature Th becomes lower than the set upper limit temperature T1 again after the start of the heating restriction operation, the heating power of the corresponding stove burner 21 is returned to the original set heating power and automatic cooking is continued. However, if the pot bottom temperature Th becomes lower than the set upper limit temperature T1 again after the start of the heating limiting operation, the automatic cooking is continued while maintaining the heating power of the corresponding stove burner 21 at the limiting heating power. It may be configured as follows. As a result, even if the automatic cooking operation is started again after the bottom of the cooking container is in a temperature state where it is likely to be scorched and the heating limiting function is activated, the scorching can be suppressed.

また、上記実施の形態では、自動調理動作の開始後、鍋底温度Thが設定上限温度T1に達すれば、対応するコンロバーナ21の火力を制限火力に調整する一方、鍋底温度Thが再び設定上限温度T1より低くなれば、対応するコンロバーナ21の火力を元の設定火力に戻すように構成されたものを説明したが、自動調理動作の開始後、鍋底温度Thが設定上限温度T1に達すれば、対応するコンロバーナ21を消火させる一方、「鍋なし」が検出されていない状態にて鍋底温度Thが再び設定上限温度T1より低くなれば、対応するコンロバーナ21を点火させるように構成されたものとしてもよい。 Further, in the above embodiment, if the pot bottom temperature Th reaches the set upper limit temperature T1 after the start of the automatic cooking operation, the heating power of the corresponding controller 21 is adjusted to the limiting heating power, while the pot bottom temperature Th is set again to the set upper limit temperature. We have described what is configured to return the thermal power of the corresponding controller 21 to the original set thermal power when it becomes lower than T1, but if the pot bottom temperature Th reaches the set upper limit temperature T1 after the start of the automatic cooking operation, It is configured to ignite the corresponding control burner 21 when the pot bottom temperature Th becomes lower than the set upper limit temperature T1 again when "no pot" is not detected while extinguishing the corresponding control burner 21. May be.

このものでは、例えば設定火力の出力熱量をQとして、制限タイマによって計測された作動停止時間がC3である場合は、調理容器がC3時間加熱されていなかったため、加熱制限動作が一度も行なわれなかったときの自動調理時の総熱量に対してQ×C3分の熱量が不足する。従って、鍋なし時の補正時間E1=C3とする。或いは、加熱中に調理容器に蓄積された熱量も考慮して、C3から所定値差し引いた時間、即ち、E1=C3−A(但し、0<A<C3)とする。 In this case, for example, when the output heat amount of the set thermal power is Q and the operation stop time measured by the limiting timer is C3, the cooking container has not been heated for C3 hours, so that the heating limiting operation is never performed. The amount of heat for Q × C3 is insufficient for the total amount of heat for automatic cooking. Therefore, the correction time E1 = C3 when there is no pot. Alternatively, the time obtained by subtracting a predetermined value from C3, that is, E1 = C3-A (however, 0 <A <C3) is set in consideration of the amount of heat accumulated in the cooking container during heating.

また、上記のように鍋底温度Thに応じてコンロバーナ21を点消火させるように構成されたものにおいて、再点火後のコンロバーナ21の火力を制限火力に維持するように構成されたものとしてもよい。 Further, in the case where the stove burner 21 is configured to extinguish the fire according to the pot bottom temperature Th as described above, the stove burner 21 after reignition is also configured to maintain the thermal power at the limit thermal power. good.

このものでは、例えば設定火力の出力熱量をQ、制限火力の出力熱量をqとして、制限タイマによって計測された作動停止時間がC4、再点火後の自動調理の残り時間がC5である場合、調理容器はC4時間加熱されておらず、またその後、制限火力時の出力熱量qにてC5時間加熱されることになる。そのため、加熱制限動作が一度も行なわれなかったときの自動調理時の総熱量に対してQ×C4分の熱量と、(Q−q)×C5分の熱量とが不足する。従って、鍋なし時の補正時間E1=Q×C4/q+(Q−q)×C5/qとする。 In this case, for example, when the output heat amount of the set heat power is Q, the output heat amount of the limit heat power is q, the operation stop time measured by the limit timer is C4, and the remaining time of automatic cooking after reignition is C5, cooking is performed. The container has not been heated for C4 hours, and is then heated for C5 hours at the output heat amount q at the limit heating power. Therefore, the amount of heat for Q × C4 and the amount of heat for (Qq) × C5 are insufficient with respect to the total amount of heat during automatic cooking when the heating restriction operation is never performed. Therefore, the correction time E1 = Q × C4 / q + (Q−q) × C5 / q when there is no pan.

上記実施の形態では、被加熱物を加熱する加熱手段として、ガスの燃焼排ガスを熱源とするバーナが用いられたものを説明したが、上記バーナに代えて、電熱部からの輻射熱や伝導熱により被加熱物を加熱する電熱ヒータが用いられたものであってもよいし、電磁誘導により被加熱物を加熱する電磁誘導ヒータが用いられたものであってもよい。また、バーナや電熱ヒータ、電磁誘導ヒータが組み合わせて用いられたものであってもよい。 In the above embodiment, a burner using the combustion exhaust gas of gas as a heat source is used as the heating means for heating the object to be heated, but instead of the burner, radiant heat or conduction heat from the electric heating unit is used. An electric heater for heating the object to be heated may be used, or an electromagnetic induction heater for heating the object to be heated by electromagnetic induction may be used. Further, a burner, an electric heater, and an electromagnetic induction heater may be used in combination.

1 加熱調理器
21 コンロバーナ(加熱手段)
23 鍋底温度センサ(異常検知手段)
27 鍋検知センサ(異常検知手段)
31 グリルバーナ(加熱手段)
33 庫内温度センサ(異常検知手段)
50 制御回路
1 Cooking cooker 21 stove (heating means)
23 Pot bottom temperature sensor (abnormality detection means)
27 Pot detection sensor (abnormality detection means)
31 Grill burner (heating means)
33 Internal temperature sensor (abnormality detection means)
50 control circuit

Claims (1)

被加熱物を加熱する加熱手段と、所定の加熱制御シーケンスに基づいて加熱手段の出力熱量や作動時間を調整する自動調理動作の制御手段とを備えた加熱調理器であって、
被加熱物の温度状態を検出する温度検知手段と、
温度検知手段の検出温度が所定温度以上になった場合に、加熱手段の出力熱量を前記検出温度が所定温度以上になった時点における設定出力熱量より小さい制限出力熱量に制限して加熱を継続する加熱制限動作の制御手段と、
自動調理動作中に加熱制限動作が実行された場合に、加熱制限動作時における加熱手段の制限出力熱量および制限作動時間に基づく加熱制限度合に応じて、加熱制限後の自動調理動作における加熱手段の出力熱量又は作動時間の少なくとも何れか一方を補正する補正制御手段とを備え、
加熱制限動作の制御手段は、加熱手段の出力熱量を制限出力熱量に制限して温度検知手段の検出温度が所定温度未満になった場合、加熱手段の出力熱量を制限出力熱量に維持して自動調理を継続させる加熱調理器。
A heating cooker including a heating means for heating an object to be heated and a control means for an automatic cooking operation for adjusting the output heat amount and operating time of the heating means based on a predetermined heating control sequence.
A temperature detecting means for detecting the temperature state of the object to be heated,
When the detection temperature of the temperature detecting means exceeds a predetermined temperature, the output heat amount of the heating means is limited to a limited output heat amount smaller than the set output heat amount at the time when the detection temperature becomes a predetermined temperature or more, and heating is continued. Control means of heating restriction operation and
When the heating limiting operation is executed during the automatic cooking operation, the heating means in the automatic cooking operation after the heating limitation is determined according to the limited output heat amount of the heating means during the heating limiting operation and the degree of heating limiting based on the limited operating time. e Bei and correction control means for correcting at least one of heat output or operating time,
The control means for the heating limiting operation limits the output heat amount of the heating means to the limited output heat amount, and when the detection temperature of the temperature detecting means falls below a predetermined temperature, the output heat amount of the heating means is maintained at the limited output heat amount and automatically. A heating cooker that keeps cooking going.
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JPH02130322A (en) * 1988-11-08 1990-05-18 Sanyo Electric Co Ltd Heating cooker
JPH0759227B2 (en) * 1989-06-14 1995-06-28 松下電器産業株式会社 Electric rice cooker
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JP2004357753A (en) * 2003-06-02 2004-12-24 Matsushita Electric Ind Co Ltd Grill
JP2006010237A (en) * 2004-06-28 2006-01-12 Matsushita Electric Ind Co Ltd Gas cooker
JP4810889B2 (en) * 2005-06-08 2011-11-09 パナソニック株式会社 Cooker
JP2010015763A (en) * 2008-07-02 2010-01-21 Toshiba Corp Heating cooker
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