JP5627016B2 - Cooker - Google Patents

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JP5627016B2
JP5627016B2 JP2011190742A JP2011190742A JP5627016B2 JP 5627016 B2 JP5627016 B2 JP 5627016B2 JP 2011190742 A JP2011190742 A JP 2011190742A JP 2011190742 A JP2011190742 A JP 2011190742A JP 5627016 B2 JP5627016 B2 JP 5627016B2
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inner pot
lid
cooking device
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JP2013052031A (en
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公伸 柿添
公伸 柿添
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Zojirushi Corp
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Description

本発明は、加熱調理器に関するものである。   The present invention relates to a heating cooker.

特許文献1には、焦げ飯と水とを加熱して粥にしたいわゆる”湯の子”を作るフローを有する加熱調理器(炊飯器)が開示されている。   Patent Document 1 discloses a heating cooker (rice cooker) having a flow for making a so-called “hot water child” in which burnt rice and water are heated to make rice cake.

この炊飯器は、内釜の底部を加熱する底ヒータ、内釜の底部の温度を検出する底温度センサ、内釜を閉塞する内蓋の上部を補助的に加熱する蓋ヒータ、および内蓋の上部に位置し内釜の内部温度を検出する蓋温度センサを有している。そして、この炊飯器の湯の子を作るフローには、底温度センサにより検出された内釜の底部の温度が第1の所定温度に到達するまで加熱する第1加熱工程と、第1加熱工程の終了後に蓋温度センサにより検出された内釜の内部温度が第2の所定温度に到達するまで加熱する第2加熱工程とが含まれている。   This rice cooker includes a bottom heater that heats the bottom of the inner pot, a bottom temperature sensor that detects the temperature of the bottom of the inner pot, a lid heater that supplementarily heats the top of the inner lid that closes the inner pot, It has a lid temperature sensor that is located at the top and detects the internal temperature of the inner hook. And in the flow which makes the hot water cup of this rice cooker, the 1st heating process heated until the temperature of the bottom part of the inner pot detected by the bottom temperature sensor reaches the 1st predetermined temperature, and the 1st heating process And a second heating step of heating until the internal temperature of the inner hook detected by the lid temperature sensor reaches a second predetermined temperature.

この炊飯器では、蓋温度センサによって水蒸気が発生する温度域の第2の所定温度を検出するため、沸騰する前から発生し始めているおねばの噴きこぼれが生じる可能性がある。また、蓋センサを用いて制御を行うため、蓋センサに影響を与える蓋ヒータを通電することができない。   In this rice cooker, the lid temperature sensor detects the second predetermined temperature in the temperature range where water vapor is generated, and therefore, there is a possibility that the squirting of the rice bowl that has begun to occur before boiling occurs. Moreover, since control is performed using the lid sensor, it is not possible to energize the lid heater that affects the lid sensor.

特開平07−148068号公報Japanese Patent Laid-Open No. 07-148068

本発明は、調理器本体内に配設された内釜の温度を検出する温度検出手段を用いて噴きこぼれを防止した加熱調理を行うことを課題とする。   This invention makes it a subject to perform the heating cooking which prevented the spilling using the temperature detection means which detects the temperature of the inner pot arrange | positioned in the cooking appliance main body.

前記課題を解決するための手段として、本発明の加熱調理器は、おこげご飯と水とをセットする内釜を内部に配設した調理器本体と、前記調理器本体に開閉可能に配設され、前記内釜の上端開口を閉塞する蓋体と、前記蓋体に設けられ、前記内釜内で発生した調理物成分を含む蒸気を外部に排気する排気通路と、前記調理器本体内に配設され、前記内釜を加熱する加熱手段と、前記調理器本体内に配設され、前記内釜の温度を検出する温度検出手段とを備え、前記温度検出手段の検出値に基づいて、前記加熱手段によって前記内釜を加熱して、前記内釜内のおこげご飯を調理する加熱調理器において、前記温度検出手段の検出値が第1温度に到達するまで、第1通電率かつ第1電力の加熱量で加熱を行う第1加熱工程と、前記温度検出手段の検出値が前記第1温度に到達後、前記第1温度より高温かつ前記水の沸騰温度より低温の第2温度に到達するまで、所定単位時間当たりの加熱量が前記第1加熱工程よりも低い第2通電率かつ第2電力の加熱量で加熱を行う第2加熱工程とを実行する制御手段を有するようにした。   As means for solving the above-mentioned problems, the cooking device of the present invention is provided with a cooking device main body in which an inner pot for setting cooked rice and water is disposed, and openable and closable on the cooking device main body. A lid that closes the upper end opening of the inner pot, an exhaust passage that is provided in the lid and exhausts steam containing cooked product components generated in the inner pot to the outside, and is disposed in the cooker body. Provided with a heating means for heating the inner pot, and a temperature detecting means for detecting the temperature of the inner pot disposed in the cooker body, based on the detection value of the temperature detecting means, In the heating cooker that heats the inner pot by the heating means and cooks the cooked rice in the inner pot, the first energization rate and the first electric power until the detection value of the temperature detection means reaches the first temperature. A first heating step of heating at a heating amount of After the output value reaches the first temperature, the heating amount per predetermined unit time is lower than that in the first heating step until reaching a second temperature that is higher than the first temperature and lower than the boiling temperature of the water. It has control means for executing the second heating step in which heating is performed at the second energization rate and the heating amount of the second power.

この構成によれば、温度検出手段の検出値に基づいて、加熱手段によって第1温度に到達するまで第1通電率かつ第1電力の加熱量で内釜を加熱した後、所定単位時間当たりの加熱量が第1加熱工程よりも低い第2通電率かつ第2電力の加熱量で内釜を緩やかに加熱するので、内釜内の調理物が第2温度を超えて沸騰温度に到達することを防止できる。したがって、噴きこぼれを防止できる。   According to this configuration, after heating the inner pot with the heating amount of the first energization rate and the first power until the first temperature is reached by the heating unit based on the detection value of the temperature detection unit, Since the inner pot is gently heated at the second energization rate and the heating amount of the second electric power, the heating amount being lower than that of the first heating step, the food in the inner pot exceeds the second temperature and reaches the boiling temperature. Can be prevented. Therefore, spilling can be prevented.

前記第1通電率は連続通電となる100%であり、前記第1電力は前記加熱調理器が出力可能な電力の範囲内において最大電力であることが好ましい。この構成によれば、第1温度に到達するまで連続通電かつ最大電力で内釜を加熱するので、第1加熱工程の調理時間を、セットした水の水温が低い場合であっても可能な限り短縮することで、トータルの調理時間を短縮して、使用性を向上させることができる。内釜の調理物の温度を温度検出手段によって検出しているので、調理物の温度をより容易かつ正確に制御できる。   It is preferable that the first energization rate is 100% at which continuous energization is performed, and the first power is a maximum power within a range of power that can be output by the cooking device. According to this configuration, since the inner pot is heated with continuous energization and maximum power until the first temperature is reached, the cooking time of the first heating step can be set as much as possible even when the set water temperature is low. By shortening, total cooking time can be shortened and usability can be improved. Since the temperature of the food in the inner pot is detected by the temperature detection means, the temperature of the food can be controlled more easily and accurately.

前記第2加熱工程の終了後に前記温度検出手段の検出値が前記第2温度に維持されるように温調制御を行う温度維持工程を有することが好ましい。この構成によれば、調理物の温度を第2加熱工程の終了後に正確に第2温度にすることができる。   It is preferable to have a temperature maintaining step of performing temperature control so that the detection value of the temperature detecting means is maintained at the second temperature after the end of the second heating step. According to this structure, the temperature of a foodstuff can be correctly made into 2nd temperature after completion | finish of a 2nd heating process.

前記第1加熱工程と前記第2加熱工程の間に、前記加熱手段を休止状態にする第1休止工程を有することが好ましい。この構成によれば、第1加熱工程での加熱の影響が第2加熱工程に及ぶことを確実に防止できる。   It is preferable to have the 1st pause process which makes the said heating means a dormant state between the said 1st heating process and the said 2nd heating process. According to this structure, it can prevent reliably that the influence of the heating in a 1st heating process reaches a 2nd heating process.

前記第2加熱工程の終了直後に前記加熱手段を休止状態にする第2休止工程を有することが好ましい。この構成によれば、第2加熱工程での加熱による調理物の温度上昇を確実に停止させることができる。   It is preferable to have a second pause step in which the heating means is put into a pause state immediately after the end of the second heating step. According to this structure, the temperature rise of the foodstuff by the heating in a 2nd heating process can be stopped reliably.

前記第1加熱工程の前に、前記おこげご飯を作る前工程を有することが好ましい。この構成によれば、おこげご飯を作る工程を含めた調理物の一連の調理工程を構成できる。   It is preferable to have a pre-process for making the cooked rice before the first heating process. According to this structure, a series of cooking processes of the cooking thing including the process of making rice can be comprised.

本発明によれば、調理器本体内に配設された内釜の温度を検出する温度検出手段を用いて噴きこぼれを防止した加熱調理を行うことができる。   ADVANTAGE OF THE INVENTION According to this invention, the heat cooking which prevented the spilling using the temperature detection means which detects the temperature of the inner pot arrange | positioned in the cooking appliance main body can be performed.

本発明の調理方法を採用した加熱調理器である炊飯器を示す部分断面図。The fragmentary sectional view which shows the rice cooker which is a heating cooker which employ | adopted the cooking method of this invention. 炊飯器の構成を示すブロック図。The block diagram which shows the structure of a rice cooker. 調理処理を示すフローチャート。The flowchart which shows a cooking process. 底温度センサ、蓋温度センサ、鍋底、および内蓋それぞれの温度変化を示す図。The figure which shows the temperature change of a bottom temperature sensor, a lid temperature sensor, a pan bottom, and an inner lid. 第1加熱工程、第2加熱工程、および温度維持工程における各通電率を示す図。The figure which shows each electricity supply rate in a 1st heating process, a 2nd heating process, and a temperature maintenance process. 調理処理を示すフローチャート。The flowchart which shows a cooking process.

以下、本発明の実施の形態を図面に従って説明する。   Hereinafter, embodiments of the present invention will be described with reference to the drawings.

図1は、本発明の湯の子を作る調理方法を採用した加熱調理器である炊飯器を示す。炊飯器は、内釜10と、内釜10を収容する炊飯器本体13(調理器本体)と、炊飯器本体13に回動可能に取り付けられた蓋体25とからなる。   FIG. 1 shows a rice cooker, which is a heating cooker that employs the cooking method of making a hot water shoot of the present invention. The rice cooker includes an inner pot 10, a rice cooker body 13 (cooker body) that accommodates the inner pot 10, and a lid 25 that is rotatably attached to the rice cooker body 13.

内釜10は、有底略逆円錐筒状をなし、その上端に径方向外向きに突出する第1フランジ部11が設けられている。また、内釜10には、第1フランジ部11よりも下方で、かつ、後述する誘導加熱コイル20によって加熱される下側部分よりも上方の側壁に、径方向外向きに突出する第2フランジ部12が設けられている。   The inner hook 10 has a bottomed substantially inverted conical cylindrical shape, and a first flange portion 11 that protrudes radially outward is provided at an upper end of the inner hook 10. Further, the inner hook 10 has a second flange protruding outward in the radial direction on the side wall below the first flange portion 11 and above the lower portion heated by the induction heating coil 20 described later. A portion 12 is provided.

炊飯器本体13は、上下端を開口した筒状をなす胴体14と、胴体14の下端開口を閉塞する底体15と、胴体14の上端開口を閉塞する肩体16とを有する外装体を備えている。肩体16には、略中央に開口部が設けられ、この開口部の上側縁で内釜10の第1フランジ部11を受ける。また、開口部には、内釜10の収容部を構成する筒状の内胴17と、非導電性材料からなる受け皿状の保護枠18とが配設されている。保護枠18には、上部に内釜10の第2フランジ部12を受ける段部19が設けられている。   The rice cooker body 13 includes an exterior body having a cylindrical body 14 having upper and lower ends opened, a bottom body 15 that closes the lower end opening of the body 14, and a shoulder body 16 that closes the upper end opening of the body 14. ing. The shoulder body 16 is provided with an opening at substantially the center, and receives the first flange portion 11 of the inner hook 10 at the upper edge of the opening. In addition, a cylindrical inner trunk 17 constituting a housing portion of the inner hook 10 and a saucer-shaped protective frame 18 made of a non-conductive material are disposed in the opening. The protective frame 18 is provided with a step portion 19 for receiving the second flange portion 12 of the inner hook 10 at the upper portion.

保護枠18の外面には、内釜10の底を誘導加熱する第1(下部)加熱手段である誘導加熱コイル20がフェライトコア21を介して固定されている。また、保護枠18の段部19には、内釜10の中間である第2フランジ部12を直接加熱する第2加熱手段として、中間ヒータ22が配設されている。さらに、内胴17の外側には、内釜10の外周部上層を加熱する第3加熱手段として胴ヒータ23が配設されている。そして、保護枠18の底中央には、保護枠18を貫通して内釜10に接触し、この内釜10の下部温度TLを検出する下部温度検出手段として底温度センサ24が配設されている。   An induction heating coil 20, which is a first (lower) heating means for induction heating the bottom of the inner pot 10, is fixed to the outer surface of the protective frame 18 via a ferrite core 21. Further, an intermediate heater 22 is disposed on the step portion 19 of the protective frame 18 as a second heating means for directly heating the second flange portion 12 that is the middle of the inner hook 10. Further, a drum heater 23 is disposed outside the inner drum 17 as third heating means for heating the upper layer of the outer peripheral portion of the inner hook 10. At the bottom center of the protective frame 18, a bottom temperature sensor 24 is disposed as a lower temperature detecting means for detecting the lower temperature TL of the inner hook 10 through the protective frame 18 and contacting the inner hook 10. Yes.

蓋体25は、上板26と下板28とを有する外装体を備え、炊飯器本体13の上部を覆うものである。上板26の正面側には、蓋体25を開放するための開放操作部材27が配設され、下板28は、炊飯器本体13の背部のヒンジ接続部に開閉可能に装着されている。下板28の下側面には放熱板29が配設され、放熱板29上に、内釜10内の上部を加熱する第4(上部)加熱手段として蓋ヒータ30が配設されている。また、蓋体25の内部には、放熱板29上に位置するように、内釜10内の上部の空気層の温度TUを検出する蓋温度センサ31が配設されている。   The lid body 25 includes an exterior body having an upper plate 26 and a lower plate 28 and covers the upper portion of the rice cooker body 13. An opening operation member 27 for opening the lid body 25 is disposed on the front side of the upper plate 26, and the lower plate 28 is attached to the hinge connection portion on the back of the rice cooker body 13 so as to be opened and closed. A heat radiating plate 29 is disposed on the lower surface of the lower plate 28, and a lid heater 30 is disposed on the heat radiating plate 29 as fourth (upper) heating means for heating the upper portion in the inner pot 10. A lid temperature sensor 31 that detects the temperature TU of the upper air layer in the inner hook 10 is disposed inside the lid body 25 so as to be positioned on the heat radiating plate 29.

蓋体25の内部には、内釜10の内部で発生した蒸気を外部に排気するための排気通路が形成されている。この排気通路は、後述する内蓋35の略中央に設けた連通部32が入口を構成する。内釜10内の蒸気は、連通部32から内蓋35に配設した圧力投入機構50のケーシング51内に、球状部材52が圧力に応じて接離する通気孔53を通じて流入し、このケーシング51内を通ってケーシング51と下板28に形成した弁収容部33との間に流入する。その後、弁収容部33の下端から放熱板29と内蓋35の間の空隙部34に流入し、この空隙部34を通って上板26に着脱可能に配設した蒸気口セット43に流入する。そして、この蒸気口セット43内を通って外部へ排出される。即ち、本実施形態では、内釜10内を臨む連通部32、圧力投入機構50、弁収容部33、空隙部34および蒸気口セット43を経た経路が排気通路を構成する。また、蓋ヒータ30は、排気通路を構成する空隙部34を介して内釜10の上部空間を加熱し、蓋温度センサ31は、同様に空隙部34を介して内釜10内の温度TUを検出する。   An exhaust passage for exhausting steam generated inside the inner hook 10 to the outside is formed inside the lid body 25. In this exhaust passage, a communication portion 32 provided in the approximate center of an inner lid 35 described later constitutes an inlet. The steam in the inner hook 10 flows into the casing 51 of the pressure input mechanism 50 disposed in the inner lid 35 from the communication portion 32 through the vent hole 53 in which the spherical member 52 contacts and separates according to the pressure. It flows between the casing 51 and the valve accommodating part 33 formed in the lower plate 28 through the inside. Thereafter, the air flows from the lower end of the valve accommodating portion 33 into the gap 34 between the heat radiating plate 29 and the inner lid 35, and flows into the steam port set 43 detachably disposed on the upper plate 26 through the gap 34. . Then, the steam is discharged to the outside through the steam port set 43. That is, in the present embodiment, the path passing through the communication portion 32 facing the inside of the inner pot 10, the pressure input mechanism 50, the valve accommodating portion 33, the gap portion 34, and the steam port set 43 constitutes an exhaust passage. Further, the lid heater 30 heats the upper space of the inner hook 10 through the gap portion 34 constituting the exhaust passage, and the lid temperature sensor 31 similarly controls the temperature TU in the inner hook 10 through the gap portion 34. To detect.

この炊飯器は、上面の前側に位置し蓋体25に隣接する部分に操作パネル部77を備えている。操作パネル部77は”通常炊飯”、”おこげ”、”湯の子”、および”おこげ・湯の子”を含む各調理フローを選択するキーを備えている。また、炊飯器本体13内に制御基板(図示せず)が配設されている。この制御基板には、制御手段であるマイコン75が実装されている。図2に示すように、マイコン75は、内蔵した記憶手段であるROM76に予め記憶されたプログラムに従って、誘導加熱コイル20、中間層ヒータ22、胴ヒータ23および蓋ヒータ30の加熱(通電)制御を行い、予熱、昇温(中ぱっぱ)、沸騰維持、および、むらしなどの各工程を経て炊飯(調理)処理を実行するとともに、炊き上げた米飯を所定温度に保温する保温処理を実行する。   This rice cooker is provided with an operation panel 77 at a portion located on the front side of the upper surface and adjacent to the lid body 25. The operation panel unit 77 includes keys for selecting each cooking flow including “normal cooking rice”, “okoge”, “yunoko”, and “okoke / yunoko”. A control board (not shown) is disposed in the rice cooker body 13. On this control board, a microcomputer 75 as a control means is mounted. As shown in FIG. 2, the microcomputer 75 controls the heating (energization) of the induction heating coil 20, the intermediate layer heater 22, the trunk heater 23, and the lid heater 30 according to a program stored in advance in a ROM 76 that is a built-in storage unit. And performing rice cooking (cooking) processing through each process such as preheating, temperature rise (medium patch), boiling maintenance, and spotting, and a heat retaining process for keeping the cooked cooked rice at a predetermined temperature.

次に、図3に示す一例に従って本発明による湯の子の調理方法の制御フローを具体的に説明する。   Next, the control flow of the method for cooking yumoko according to the present invention will be specifically described according to an example shown in FIG.

まず、内釜10に所定量(0.5CUP)のおこげ(調理対象物)と水とを収容して炊飯器をセットし、炊飯器の操作パネル部77のキーにより湯の子フローを選択して調理を開始する。本実施形態の湯の子フローは、昇温工程、温度維持工程を有している。昇温工程は、第1加熱工程と第2加熱工程とからなっている。   First, a predetermined amount (0.5 CUP) of rice (cooking object) and water are stored in the inner pot 10 and a rice cooker is set, and the hot water flow is selected using the keys on the operation panel section 77 of the rice cooker. And start cooking. The hot water flow of this embodiment has a temperature raising step and a temperature maintaining step. The temperature raising process includes a first heating process and a second heating process.

炊飯器はセットアップ完了後、昇温工程に移行する。その際、誘導加熱コイル20の通電率は第1通電率R1に設定される(S3)。本実施形態では、第1通電率R1=100%である。したがって、図5に示すように、誘導加熱コイル20に最大電力(1200W)で連続通電する。そして、下部測定温度TLの検出を周期(単位時間15秒)毎に行う。前記検出は、周期の終わりであって、ヒータOFFに切り替える直前のヒータON時に行われる。誘導加熱コイル20による第1通電率R1での加熱は、下部測定温度TLが60℃(=第1温度T1)に到達するか、あるいは昇温工程に移行後10分(=t1)経過するまで行う(S4)。S3およびS4のステップは、第1加熱工程を構成する。第1加熱工程は図4中のAの範囲である。なお、第1加熱工程の調理時間を、セットした水の水温が低い場合であっても可能な限り短縮することで、トータルの調理時間を短縮させるようにするため、誘導加熱コイル20に対して第1通電率を連続通電となる100%とし、かつ第1電力を最大電力で通電される。しかしながら、おねばは釜内が沸騰する前でも発生し、また、底温度センサ24が第1温度T1に到達したことを検出し誘導加熱コイル20への通電を停止しても余熱による温度上昇を直ちに停止させることはできないため、第1温度T1は、それらを考慮した調理物の噴きこぼれを生じさせない温度であり、かつできるだけ高い温度に設定することが望ましい。   The rice cooker moves to the temperature raising step after the setup is completed. At that time, the energization rate of the induction heating coil 20 is set to the first energization rate R1 (S3). In the present embodiment, the first energization rate R1 = 100%. Therefore, as shown in FIG. 5, the induction heating coil 20 is continuously energized with the maximum power (1200 W). Then, the lower measurement temperature TL is detected every cycle (unit time 15 seconds). The detection is performed at the end of the cycle and when the heater is turned on just before the heater is turned off. The heating at the first energization rate R1 by the induction heating coil 20 is performed until the lower measurement temperature TL reaches 60 ° C. (= first temperature T1) or 10 minutes (= t1) elapses after shifting to the temperature raising step. Perform (S4). Steps S3 and S4 constitute a first heating step. A 1st heating process is the range of A in FIG. In addition, in order to shorten the total cooking time by shortening the cooking time of the first heating process as much as possible even when the water temperature of the set water is low, the induction heating coil 20 The first energization rate is set to 100% for continuous energization, and the first power is energized at the maximum power. However, the rice ball is generated even before the inside of the kettle boils, and even if the bottom temperature sensor 24 detects that the first temperature T1 has been reached and the energization of the induction heating coil 20 is stopped, the temperature rises due to residual heat. Since it cannot be stopped immediately, it is desirable that the first temperature T1 is a temperature that does not cause the spilling of the food in consideration of them, and is set to a temperature as high as possible.

第1加熱工程の終了後、第2加熱工程に移行する。その際、誘導加熱コイル20の通電率を第2通電率R2に変更する(S5)。本実施形態では、第2通電率R2=67%、第2電力=1200Wである。したがって、図5に示すように、周期15秒のうちの最初の5秒間は誘導加熱コイル20への通電を停止(ヒータOFF)し、残りの10秒間は誘導加熱コイル20に通電(ヒータON)する。そして、下部測定温度TLの検出は、第1加熱工程と同様に行われる。誘導加熱コイル20による第2通電率R2での加熱は、下部測定温度TLが92℃(=第2温度T2)に到達するか、あるいは第2加熱工程に移行後10分(=t2)経過するまで行う(S6)。S5およびS6のステップは、第2加熱工程を構成する。そして、第1加熱工程および第2加熱工程は昇温工程を構成する。第2加熱工程は図4中のBの範囲である。   After the end of the first heating process, the process proceeds to the second heating process. At that time, the energization rate of the induction heating coil 20 is changed to the second energization rate R2 (S5). In the present embodiment, the second energization rate R2 = 67% and the second power = 1200 W. Therefore, as shown in FIG. 5, the energization to the induction heating coil 20 is stopped (heater OFF) for the first 5 seconds of the cycle of 15 seconds, and the induction heating coil 20 is energized (heater ON) for the remaining 10 seconds. To do. And detection of lower measurement temperature TL is performed like the 1st heating process. In the heating at the second energization rate R2 by the induction heating coil 20, the lower measurement temperature TL reaches 92 ° C. (= second temperature T2) or 10 minutes (= t2) elapses after shifting to the second heating step. (S6). Steps S5 and S6 constitute a second heating step. And a 1st heating process and a 2nd heating process comprise a temperature rising process. A 2nd heating process is the range of B in FIG.

第2加熱工程の終了後、温度維持工程に移行する。その際、誘導加熱コイル20への通電を停止する。温度維持工程は図4中のCの範囲である。温度維持工程は下部測定温度TLが92℃(=第2温度T2)に維持されるようにして10分(=t3)間温調制御が行われる。温度維持工程においても、下部測定温度TLの検出は第1加熱工程と同様に行われ、下部測定温度TLが92℃以上であるか否かが判定される。   After the end of the second heating process, the process proceeds to the temperature maintaining process. At that time, energization to the induction heating coil 20 is stopped. The temperature maintaining step is in a range C in FIG. In the temperature maintaining step, temperature control is performed for 10 minutes (= t3) so that the lower measurement temperature TL is maintained at 92 ° C. (= second temperature T2). Also in the temperature maintenance step, the lower measurement temperature TL is detected in the same manner as in the first heating step, and it is determined whether or not the lower measurement temperature TL is 92 ° C. or higher.

(i)下部測定温度TLが92℃以上である場合、次の周期は、最初から最後まで誘導加熱コイル20への通電を停止する。そして、その周期の終わりに検出した下部測定温度TLが92℃未満である場合、次の周期では、通電率R3(=53%)、電力=1000Wで誘導加熱コイル20へ通電する。すなわち、図5に示すように、周期15秒のうちの最初の7秒間は誘導加熱コイル20への通電を停止し、残りの8秒間は誘導加熱コイル20に通電する。   (I) When the lower measurement temperature TL is 92 ° C. or higher, the energization to the induction heating coil 20 is stopped from the beginning to the end in the next cycle. When the lower measurement temperature TL detected at the end of the cycle is less than 92 ° C., the induction heating coil 20 is energized at the energization rate R3 (= 53%) and power = 1000 W in the next cycle. That is, as shown in FIG. 5, the energization to the induction heating coil 20 is stopped for the first 7 seconds of the period of 15 seconds, and the induction heating coil 20 is energized for the remaining 8 seconds.

(ii)下部測定温度TLが92℃未満である場合、下部測定温度TLが92℃に到達するまで誘導加熱コイル20への通電および通電停止を繰り返す。   (Ii) When the lower measurement temperature TL is lower than 92 ° C., the energization of the induction heating coil 20 and the energization stop are repeated until the lower measurement temperature TL reaches 92 ° C.

温度維持工程が終了すると調理完了となり、図示しない報知手段により使用者に報知される。本発明によれば、調理物の温度を第2加熱工程の終了後に正確に第2温度にすることができる。   When the temperature maintenance process is completed, cooking is completed, and the user is notified by a not-illustrated notification means. According to the present invention, the temperature of the cooked product can be accurately set to the second temperature after the end of the second heating step.

本発明によれば、底温度センサ24の検出値に基づいて、誘導加熱コイル20によって第1温度T1に到達するまで第1通電率R1かつ第1電力の加熱量で内釜10を加熱した後、所定単位時間当たりの加熱量が第1加熱工程よりも低い第2通電率R2かつ第2電力の加熱量で内釜10を緩やかに加熱するので、内釜10内の調理物が第2温度T2を超えて沸騰温度に到達することを防止できる。したがって、噴きこぼれを確実に防止できる。   According to the present invention, after heating the inner pot 10 with the first energization rate R1 and the heating amount of the first power until the first temperature T1 is reached by the induction heating coil 20 based on the detection value of the bottom temperature sensor 24. Since the inner pot 10 is gently heated at the second energization rate R2 and the heating amount of the second electric power, the heating amount per predetermined unit time is lower than that of the first heating step, the food in the inner pot 10 is heated to the second temperature. Reaching the boiling temperature exceeding T2 can be prevented. Therefore, it is possible to reliably prevent spilling.

図4に示すように、底温度センサ24の検出温度が第2温度T2に到達した状態では、底温度センサ24の検出温度、鍋底の温度、および内蓋35の温度の間に大きな差は生じていないが、蓋温度センサ31の検出温度と内蓋35の温度の間には大きな差が生じている。すなわち、内釜10の調理物と、底温度センサ24の検出温度、鍋底の温度、および内蓋35それぞれの間に大きな温度差を有していないが、内釜10の調理物と、蓋温度センサ31の検出温度の間には大きな温度差を有している。そして、蓋温度センサ31の検出温度は約130℃である。本発明では、内釜10の調理物の温度を底温度センサ24によって検出しているので、調理物の温度をより容易かつ正確に制御できる。また、蓋温度センサ31による水の沸騰温度を超えた温度域での温度制御を回避できるので、内釜10内の調理物の温度を水の沸騰温度未満に維持することができ、内釜10内の調理物の噴きこぼれを防止できる。   As shown in FIG. 4, when the temperature detected by the bottom temperature sensor 24 reaches the second temperature T2, there is a large difference between the temperature detected by the bottom temperature sensor 24, the temperature of the pan bottom, and the temperature of the inner lid 35. However, there is a large difference between the temperature detected by the lid temperature sensor 31 and the temperature of the inner lid 35. That is, although there is no large temperature difference between the cooked food of the inner pot 10 and the detected temperature of the bottom temperature sensor 24, the temperature of the pan bottom, and the inner lid 35, the cooked food of the inner pot 10 and the lid temperature There is a large temperature difference between the detected temperatures of the sensors 31. The detected temperature of the lid temperature sensor 31 is about 130 ° C. In the present invention, since the temperature of the food in the inner pot 10 is detected by the bottom temperature sensor 24, the temperature of the food can be controlled more easily and accurately. Moreover, since temperature control in the temperature range exceeding the boiling temperature of water by the lid temperature sensor 31 can be avoided, the temperature of the cooked food in the inner pot 10 can be maintained below the boiling temperature of the water. Prevents spills from cooking inside.

続いて、湯の子フローの前におこげ炊飯フロー(前工程)を組み込んだおこげ・湯の子フローを実行する調理工程の制御フローを図6により説明する。この調理工程は、飯米から調理対象物であるおこげを作り、該おこげから湯の子を作るものである。   Then, the control flow of the cooking process which performs the steaming and hot water child flow incorporating the rice cooking rice flow (pre-process) before the water bath flow will be described with reference to FIG. In this cooking process, a rice cake, which is an object to be cooked, is made from cooked rice, and a yumiko is made from the rice cake.

まず、内釜10に所定量の飯米と水とを収容して炊飯器をセットし、炊飯器の操作パネル部77のキーによりおこげ・湯の子フローを選択して調理を開始する。   First, a predetermined amount of cooked rice and water is stored in the inner pot 10 and a rice cooker is set, and cooking is started by selecting a flow of steam and hot water using the keys of the operation panel section 77 of the rice cooker.

調理処理が開始されると、予熱、昇温(中ぱっぱ)、沸騰維持、および、むらしなどの各工程を経て公知のおこげ炊飯が実行される。おこげ炊飯が終了すると、図示しない報知手段により使用者に報知される。その後、使用者は、内釜10から所定量(0.5CUP)のおこげを残してごはんを取り出す。次に、内釜10に所定量の水を注入する。そして、蓋体25を閉じ、おこげ・湯の子フローの湯の子フロー部分を開始する。湯の子フローについては説明を省略する。   When the cooking process is started, publicly known rice cooking is performed through various processes such as preheating, temperature increase (medium temperature), boiling maintenance, and unevenness. When the rice cooking is finished, the user is notified by a not-illustrated notification means. Thereafter, the user takes out the rice leaving a predetermined amount (0.5 CUP) from the inner pot 10. Next, a predetermined amount of water is poured into the inner pot 10. Then, the lid 25 is closed, and the hot water flow portion of the steaming / hot water flow is started. Description of the Yunoko flow is omitted.

本発明によれば、飯米からおこげ(調理対象物)を作り、該おこげを使用して湯の子を調理することができる。すなわち、調理対象物を作る工程を含めた調理物の一連の調理工程を構成できる。   According to the present invention, it is possible to make a rice cake (cooking object) from cooked rice and cook the hot water using the rice cake. That is, it is possible to configure a series of cooking steps of the cooked product including the step of creating the cooking object.

なお、本発明の加熱調理器は、前記実施形態の調理方法に限定されるものではなく、以下に例示するように種々の変更が可能である。   In addition, the cooking device of this invention is not limited to the cooking method of the said embodiment, A various change is possible so that it may illustrate below.

前記実施形態では、内釜10におこげ(調理対象物)と水とを注入する調理方法を説明したが、第1加熱工程を省略できるフローを予め設定し、水の代わりにお湯を注入できるようにしてもよい。湯の子調理の際、好みに応じて塩や具材等を投入してもよい。   In the said embodiment, although the cooking method which pours (cooking object) and water into the inner pot 10 was demonstrated, the flow which can abbreviate | omit a 1st heating process is preset, so that hot water can be inject | poured instead of water. It may be. When cooking yunoko, salt or ingredients may be added as desired.

前記実施形態では、第1加熱工程でフル通電で連続加熱する例を説明したが、これに限定されず、フル通電でなく出力を抑えて加熱してもよい。また、第2加熱工程で間欠加熱でなく出力を抑えて連続加熱を行ってもよい。   In the above-described embodiment, an example in which continuous heating is performed with full energization in the first heating process has been described. Further, continuous heating may be performed while suppressing output instead of intermittent heating in the second heating step.

加熱調理器の保温性が土鍋等のように高い場合には、温度維持工程を省略してもよい。また、第1加熱工程と第2加熱工程の間に、誘導加熱コイル20を休止状態にする第1休止工程を有してもよい。この方法によれば、第1加熱工程での加熱の影響が第2加熱工程に及ぶことを確実に防止できる。さらに、第2加熱工程の終了直後に誘導加熱コイル20を休止状態にする第2休止工程を有してもよい。この方法によれば、第2加熱工程での加熱による調理物の温度上昇を確実に停止させることができる。   When the heat retaining property of the heating cooker is high such as a clay pot, the temperature maintaining step may be omitted. Moreover, you may have the 1st pause process which makes the induction heating coil 20 a dormant state between a 1st heating process and a 2nd heating process. According to this method, it is possible to reliably prevent the influence of the heating in the first heating process from reaching the second heating process. Furthermore, you may have the 2nd pause process which makes the induction heating coil 20 a dormant state immediately after completion | finish of a 2nd heating process. According to this method, it is possible to reliably stop the temperature rise of the cooked food due to the heating in the second heating step.

底温度センサ24による温度検出のタイミングは、周期の終わりだけに限定されず、いずれのタイミングで行ってもよい。また、下部測定温度TLの検出周期の単位時間を変更してもよい。さらに、ヒータの通電率は、温度検出後、ヒータOFFからスタートするものについて記載したが、ヒータONからスタートするものであってもよい。   The timing of temperature detection by the bottom temperature sensor 24 is not limited to the end of the cycle, and may be performed at any timing. Further, the unit time of the detection cycle of the lower measurement temperature TL may be changed. Furthermore, although the heater energization rate is described as starting from heater OFF after temperature detection, it may be started from heater ON.

各工程の長さt0〜3、温度T0〜2、通電率R1〜3は変更してもよい。第1温度T1は60〜65℃が望ましく、第2温度T2は90〜94℃が望ましい。   You may change the length t0-3 of each process, temperature T0-2, and electricity supply rate R1-3. The first temperature T1 is desirably 60 to 65 ° C, and the second temperature T2 is desirably 90 to 94 ° C.

「おこげ・湯の子フロー」は、独立した「おこげ炊飯フロー」と「湯の子フロー」とを連続して使用するものであってもよい。   The “Okeko / Yunoko Flow” may be a continuous use of the “Okeko Rice Flow” and the “Yunoko Flow”.

湯の子は、本来、「おこげ」に水などを加えて加熱調理されるものであるが、「おこげのないご飯の残り」に水などを加えて加熱調理してもよい。   Yunoko is originally cooked by adding water or the like to “rice cake”, but it may be cooked by adding water or the like to “the rest of rice without rice cake”.

10 内釜
13 炊飯器本体(調理器本体)
20 誘導加熱コイル(加熱手段)
24 底温度センサ(温度検出手段)
25 蓋体
32 連通部(排気通路)
33 弁収容部(排気通路)
34 空隙部(排気通路)
43 蒸気口セット(排気通路)
75 マイコン(制御手段)
10 Inner pot 13 Rice cooker body (cooker body)
20 Induction heating coil (heating means)
24 Bottom temperature sensor (temperature detection means)
25 Lid 32 Communication part (exhaust passage)
33 Valve housing (exhaust passage)
34 Air gap (exhaust passage)
43 Steam port set (exhaust passage)
75 Microcomputer (control means)

Claims (6)

おこげご飯と水とをセットする内釜を内部に配設した調理器本体と、
前記調理器本体に開閉可能に配設され、前記内釜の上端開口を閉塞する蓋体と、
前記蓋体に設けられ、前記内釜内で発生した調理物成分を含む蒸気を外部に排気する排気通路と、
前記調理器本体内に配設され、前記内釜を加熱する加熱手段と、
前記調理器本体内に配設され、前記内釜の温度を検出する温度検出手段と
を備え、
前記温度検出手段の検出値に基づいて、前記加熱手段によって前記内釜を加熱して、前記内釜内のおこげご飯を調理する加熱調理器において、
前記温度検出手段の検出値が第1温度に到達するまで、第1通電率かつ第1電力の加熱量で加熱を行う第1加熱工程と、前記温度検出手段の検出値が前記第1温度に到達後、前記第1温度より高温かつ前記水の沸騰温度より低温の第2温度に到達するまで、所定単位時間当たりの加熱量が前記第1加熱工程よりも低い第2通電率かつ第2電力の加熱量で加熱を行う第2加熱工程とを実行する制御手段を有することを特徴とする加熱調理器。
A cooker body with an inner pot for setting rice and water,
A lid that is arranged to be openable and closable in the cooker body, and closes an upper end opening of the inner pot;
An exhaust passage that is provided in the lid and exhausts steam containing a cooked ingredient generated in the inner pot to the outside;
A heating means disposed in the cooker body for heating the inner pot;
A temperature detecting means disposed in the cooker body and detecting the temperature of the inner pot;
In a heating cooker that cooks cooked rice in the inner pot by heating the inner pot by the heating unit based on the detection value of the temperature detecting unit,
A first heating step of heating at a first energization rate and a heating amount of the first power until the detection value of the temperature detection means reaches the first temperature, and the detection value of the temperature detection means becomes the first temperature. After reaching the second heating rate and the second power, the heating amount per predetermined unit time is lower than that in the first heating step until reaching a second temperature higher than the first temperature and lower than the boiling temperature of the water. A heating cooker characterized by having a control means for executing a second heating step of heating at a heating amount of.
前記第1通電率は連続通電となる100%であり、
前記第1電力は前記加熱調理器が出力可能な電力の範囲内において最大電力であることを特徴とする請求項1に記載の加熱調理器。
The first energization rate is 100% for continuous energization,
The cooking device according to claim 1, wherein the first power is a maximum power within a range of power that can be output by the cooking device.
前記第2加熱工程の終了後に前記温度検出手段の検出値が前記第2温度に維持されるように温調制御を行う温度維持工程を有することを特徴とする請求項1または2に記載の加熱調理器。   3. The heating according to claim 1, further comprising a temperature maintaining step of performing temperature control so that a detection value of the temperature detecting unit is maintained at the second temperature after the second heating step is finished. Cooking device. 前記第1加熱工程と前記第2加熱工程の間に、前記加熱手段を休止状態にする第1休止工程を有することを特徴とする請求項1ないし3のいずれか1項に記載の加熱調理器。   The cooking device according to any one of claims 1 to 3, further comprising a first pause step that puts the heating means into a pause state between the first heating step and the second heating step. . 前記第2加熱工程の終了直後に前記加熱手段を休止状態にする第2休止工程を有することを特徴とする請求項1ないし4のいずれか1項に記載の加熱調理器。   The cooking device according to any one of claims 1 to 4, further comprising a second pause step in which the heating means is paused immediately after completion of the second heating step. 前記第1加熱工程の前に、前記おこげご飯を作る前工程を有することを特徴とする請求項1ないし5のいずれか1項に記載の加熱調理器。   The cooking device according to any one of claims 1 to 5, further comprising a pre-process for making the cooked rice before the first heating process.
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