JP2008067958A - Induction heating cooker - Google Patents

Induction heating cooker Download PDF

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JP2008067958A
JP2008067958A JP2006250315A JP2006250315A JP2008067958A JP 2008067958 A JP2008067958 A JP 2008067958A JP 2006250315 A JP2006250315 A JP 2006250315A JP 2006250315 A JP2006250315 A JP 2006250315A JP 2008067958 A JP2008067958 A JP 2008067958A
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water
induction heating
inner pot
storage tank
heating cooker
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JP4354474B2 (en
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Shigeyuki Nagata
滋之 永田
Hisao Isaka
久夫 井坂
Kenichi Tamura
憲一 田村
Kyoko Hattori
杏子 服部
Akira Morii
彰 森井
Takeshi Nakamachi
剛 中町
Shinichi Kato
伸一 加藤
Sansei Kabashima
山青 椛島
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To achieve easy maintenance, and health, safety and convenience for a user, as well as purification of water stored for cooking and addition of mineral components to the water. <P>SOLUTION: An induction heating cooker is provided with a cooker body 1 having an inner pot compartment 2 opening upward, an inner port 5 stored in the inner pot string part, lids 8 and 9 for openably covering an opening part of the inner pot storing part, a reporting means 12a for reporting cooking states and contents of received operation, an induction heating coil 3 for heating the inner pot, a water storage tank 13 for storing water, a pipe 17 as a water flowing passage for introducing the water from the water storage tank to the inner pot, a pump 15 provided inside the water flowing passage for conveying the water from the water storage tank to the inner pot, and a water quality converting device 14 provided in the water flowing passage including the water storage tank for performing at least either of purifying water fed into the inner pot or adding the mineral components to the water fed into the inner pot. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、誘導加熱調理器、とりわけ炊飯器に係り、より詳しくは調理時に使用する水の改質手段に関する。   The present invention relates to an induction heating cooker, especially a rice cooker, and more particularly to a means for reforming water used during cooking.

従来より、誘導加熱調理器すなわち炊飯器において、貯水タンクに貯留した水を、内釜に収納した米量に応じて内釜内に自動的に供給可能に構成するとともに、この貯水タンクに貯留した水を冷却加温できるようにして、水の雑菌繁殖をなくし、衛生性を高めるようにしたものが知られている（例えば，特許文献１参照）。   Conventionally, in an induction heating cooker, that is, a rice cooker, the water stored in the water storage tank is configured to be automatically supplied into the inner pot according to the amount of rice stored in the inner pot, and stored in this water storage tank. It is known that water can be cooled and heated so as to eliminate propagation of bacteria and improve hygiene (for example, see Patent Document 1).

特開２００５−５２５３２号公報(図１)Japanese Patent Laying-Open No. 2005-52532 (FIG. 1)

このように、近年、健康や安全への意識の高まりから、食材に対する栄養付加や衛生性向上の要求が強まっている。そして、このような要望は、日本人が食する機会が多い米飯に関しても、同様に存在する。しかしながら、前述のように貯水タンクに貯留した水を冷却加温できるようにしたものにあっては、水の雑菌繁殖をなくし、衛生性を高めることはできるが、栄養取得の際に有効とされるミネラル成分を付与することはできなかった。また、浄水装置の取替やメンテナンス性に課題を残していた。   Thus, in recent years, demands for adding nutrition to foods and improving hygiene have been strengthened due to increased awareness of health and safety. And such a request exists similarly about cooked rice with many opportunities for Japanese to eat. However, in the case where the water stored in the water storage tank can be cooled and warmed as described above, it is possible to eliminate the miscellaneous propagation of water and improve hygiene, but it is effective at the time of nutrition acquisition. It was not possible to add a mineral component. Moreover, the subject remained in replacement | exchange and maintainability of a water purifier.

本発明の技術的課題は、調理用に貯留する水に対して、浄化のみならずミネラル成分の付与が可能で、メンテナンス性および使用者の健康、安全、利便性を向上させ得るようにすることにある。   The technical problem of the present invention is that not only purification but also mineral components can be added to water stored for cooking, and maintenance performance and user health, safety, and convenience can be improved. It is in.

本発明に係る誘導加熱調理器は、上部が開口した内釜収納部を有する調理器本体と、内釜収納部に収納される内釜と、内釜収納部の開口部を開閉自在に覆う蓋と、調理状態や受付操作内容を知らせる報知手段と、内釜を発熱させる誘導加熱コイルと、水を貯蔵する貯水タンクと、貯水タンクから内釜へ水を導く流水経路となるパイプと、流水経路内に設置されて貯水タンクの水を内釜に輸送するポンプと、貯水タンクを含む流水経路内に設置されて内釜内に投入される水の浄化およびミネラル成分の付与の少なくとも一方を行う水質変換装置と、を備えるものである。   An induction heating cooker according to the present invention includes a cooker body having an inner pot storage portion having an upper opening, an inner pot stored in the inner pot storage section, and a lid that covers the opening of the inner pot storage section in an openable and closable manner. An informing means for informing the cooking state and the contents of the reception operation, an induction heating coil for generating heat in the inner pot, a water storage tank for storing water, a pipe serving as a water flow path for leading water from the water storage tank to the inner pot, and a water flow path The water quality which performs at least one of purification of the water installed in the inner pot and the water which is installed in the water flow path including the water storage tank, and the addition of the mineral component. A conversion device.

本発明の誘導加熱調理器によれば、貯水タンクを含む流水経路内に内釜内に投入される水の浄化やミネラル成分の付与を行う水質変換装置を設けているので、内釜内に投入される水を浄化したり、これにミネラル成分を付与したりすることができる。このため、炊飯米における雑菌防止やニオイ防止だけでなく、健康を維持するのに必要な栄養分を米飯から取得することが可能となる。   According to the induction heating cooker of the present invention, since the water quality conversion device for purifying the water charged in the inner pot and applying the mineral component is provided in the flowing water path including the water storage tank, the water is introduced into the inner pot. The purified water can be purified, or a mineral component can be added thereto. For this reason, it becomes possible not only to prevent germs and odors in cooked rice, but also to acquire nutrients necessary for maintaining health from the cooked rice.

実施の形態１．
以下、図示実施形態により本発明を説明する。
図１は本発明の実施の形態１に係る誘導加熱調理器の全体構成を示す縦断面図、図２はその外観を示す斜視図、図３はその貯水タンクと水質変換装置との関係を示す分解斜視図、図４は制御部の構成を示すブロック図である。 Embodiment 1 FIG.
The present invention will be described below with reference to illustrated embodiments.
1 is a longitudinal sectional view showing the overall configuration of an induction heating cooker according to Embodiment 1 of the present invention, FIG. 2 is a perspective view showing its appearance, and FIG. 3 shows the relationship between the water storage tank and a water quality conversion device. FIG. 4 is an exploded perspective view, and FIG. 4 is a block diagram showing the configuration of the control unit.

本実施の形態の誘導加熱調理器は、図１及び図２のように上部が開口した内釜収納部２を有する調理器本体１と、上部が開口し調理器本体１に内装固着された内釜収納部２と、内釜収納部２の下面部に設けられた電磁誘導加熱用の加熱コイル３とを有する。加熱コイル３は、スパイラル状に旋回され、直列に接続されており、高周波電流が供給されるようになっている。高周波電流の供給は、インバータ回路（図示せず）およびインバータ回路を駆動制御する制御部（図示せず）によって行われる。内釜収納部２の底部中央には、孔が形成され、この孔部に内釜温度センサ４が貫通して設けられていて、圧縮バネにより下方から支持されている。   As shown in FIGS. 1 and 2, the induction heating cooker according to the present embodiment includes a cooker body 1 having an inner pot storage portion 2 having an upper portion opened, and an inner portion fixed to the cooker body 1 with an upper portion opened. It has a hook housing part 2 and a heating coil 3 for electromagnetic induction heating provided on the lower surface of the inner pot housing part 2. The heating coil 3 is swirled in a spiral shape and connected in series so that a high-frequency current is supplied. The high-frequency current is supplied by an inverter circuit (not shown) and a control unit (not shown) that drives and controls the inverter circuit. A hole is formed in the center of the bottom of the inner hook housing part 2, and the inner pot temperature sensor 4 is provided through the hole, and is supported from below by a compression spring.

内釜収納部２の開口縁部にはフランジ６が形成され、このフランジ６に内釜５のフランジ部が支持されるようになっており、これによって内釜収納部２内に着脱自在に内釜５が収納されるようになっている。内釜５は内蓋７にて覆われ、周縁部を蓋パッキン８によってシールされるようになっていて、内釜５のフランジ部と内蓋７との間の密閉性が確保されるようになっている。内蓋７は、係止材１０によって外蓋９に取り付けられるようになっていて、これら重ね合わされた内蓋７と外蓋９によって調理器本体１を開閉する蓋が構成され、調理器本体１にヒンジ結合されるようになっている。また、この調理器本体１を開閉する蓋には、容器内弁と外部弁によって構成される蒸気口１１が、内蓋７と外蓋９を貫通して設けられている。また、外蓋９の上面における前方部には、調理状態や受付操作内容を知らせる報知手段すなわち液晶表示部１２ａと、各種の設定を行う複数の操作ボタン１２ｂを有する操作／表示部１２が設けられているとともに、操作／表示部１２の内部に後述する制御装置３０の回路基板が設置されている。   A flange 6 is formed at the opening edge of the inner hook storage portion 2, and the flange portion of the inner hook 5 is supported by the flange 6, so that the inner hook storage portion 2 can be detachably attached inside. The hook 5 is accommodated. The inner hook 5 is covered with an inner lid 7, and the peripheral edge is sealed with a lid packing 8 so that the sealing between the flange portion of the inner hook 5 and the inner lid 7 is ensured. It has become. The inner lid 7 is attached to the outer lid 9 by a locking member 10, and a lid for opening and closing the cooker body 1 is constituted by the overlapped inner lid 7 and outer lid 9. It is designed to be hinged. In addition, a steam port 11 constituted by an inner valve and an outer valve is provided in the lid that opens and closes the cooker body 1 so as to penetrate the inner lid 7 and the outer lid 9. In addition, on the front portion of the upper surface of the outer lid 9, there is provided an operation / display unit 12 having a notification means that informs the cooking state and the content of the reception operation, that is, a liquid crystal display unit 12a, and a plurality of operation buttons 12b for performing various settings. In addition, a circuit board of a control device 30 described later is installed inside the operation / display unit 12.

調理器本体１の下部の加熱コイル３が発生する高周波磁界内に、前面が開口する貯水タンク設置部１９が設けられており、貯水タンク設置部１９内に、前面が調理器本体１と面一となるように形成された磁性金属あるいは磁性体からなる貯水タンク１３が前方へ取り出し可能に収納されている。貯水タンク１３は、水を投入可能な容器であり、図３のようにその後部に水質変換装置１４の設置部が設けられ、設置部内に水質変換装置１４が着脱可能に収納されている。   In the high frequency magnetic field generated by the heating coil 3 in the lower part of the cooker body 1, a water tank installation part 19 having an open front is provided, and the front surface is flush with the cooker body 1 in the water tank installation part 19. A water storage tank 13 made of magnetic metal or magnetic material formed so as to become is stored so as to be able to be taken out forward. The water storage tank 13 is a container into which water can be poured. As shown in FIG. 3, an installation part of the water quality conversion device 14 is provided in the rear part thereof, and the water quality conversion device 14 is detachably stored in the installation part.

水質変換装置１４は、水ができるだけ大きな面積に接触しつつ透過するよう、ポーラス形状あるいは格子形状のフィルタから構成されている。水質変換装置１４内を透過した水は、例えば雑菌や汚れ成分が吸着されたり、逆に水質変換装置１４に添加されたミネラル分を溶出させたりすることで、内釜５内に投入される水を改質する機能を有するものである。   The water quality conversion device 14 is composed of a porous or lattice filter so that water can permeate while contacting as large an area as possible. The water that has passed through the water quality conversion device 14 is, for example, adsorbed with bacteria and dirt components, or conversely, by eluting the minerals added to the water quality conversion device 14, It has the function to modify.

調理器本体１内の後部には、貯水タンク１３から内釜５へ水を導く流水経路となるパイプ１７と、パイプ１７の途中に設置されて貯水タンク１３の水を内釜５に輸送するポンプ１５、パイプ１７内を流れる水の流量を検知する流量センサ１６とが設けられており、流量センサ１６により検知された流量の信号は制御装置３０に送られ、制御装置３０によってポンプ１５の可動、停止が制御されるようになっている。ポンプ１５により貯水タンク１３から吸い上げられた水は、パイプ１７を経由して内釜５内に投入される。パイプ１７には、外蓋９の開閉時に屈曲する部位が可撓性を有するパイプ、ここでは蛇腹１７ａから構成され、外蓋開閉への妨げにならないようになっている。   In the rear part of the cooker main body 1, there are a pipe 17 serving as a flow path for leading water from the water storage tank 13 to the inner pot 5, and a pump that is installed in the middle of the pipe 17 and transports the water in the water storage tank 13 to the inner pot 5. 15 and a flow rate sensor 16 for detecting the flow rate of water flowing in the pipe 17, and a flow rate signal detected by the flow rate sensor 16 is sent to the control device 30, and the pump 15 is moved by the control device 30. Stop is controlled. The water sucked up from the water storage tank 13 by the pump 15 is introduced into the inner pot 5 through the pipe 17. The pipe 17 includes a flexible pipe, here a bellows 17a, which is bent when the outer lid 9 is opened and closed, and does not hinder the opening and closing of the outer lid.

制御装置３０は、図４のように米量の信号に基づいてメモリ３１より対応する供給水量を読み、出力する供給水量算出部３２と、流量センサ１６の出力に基づいて流量を検出し、出力する流量検出部３３と、供給水量算出部３２からの供給水量信号と流量検出部３３からの流量信号とタイマ３４とに基づきポンプ１５を駆動して内釜５への供給水量をフィードバック制御し、米量に応じた供給水量となれば、ポンプ１５による水の供給を停止させる供給水量判定部３５と、供給水量算出部３２からの供給水量信号とタイマ３４とに基づき単位時間あたりの流量が所定値以下となったことが検知されると、液晶表示部１２ａによって水質変換装置１４が洗浄、交換時期にあることを報知させる洗浄、交換判定部３６とから構成されている。なお、米量の判定は、内釜収納部２に内釜５の重量を計測する重量センサを設置して自動的に行わせても良いし、操作ボタン１２ｂから使用者が入力するようにしても良いものである。   As shown in FIG. 4, the control device 30 reads the corresponding supplied water amount from the memory 31 based on the rice amount signal, detects the flow rate based on the output of the supplied water amount calculating unit 32 and the flow rate sensor 16, and outputs it. Based on the flow rate detection unit 33, the supply water amount signal from the supply water amount calculation unit 32, the flow rate signal from the flow rate detection unit 33, and the timer 34, the pump 15 is driven to feedback control the amount of water supplied to the inner pot 5, If the amount of water supplied corresponds to the amount of rice, the flow rate per unit time is predetermined based on the supply water amount determination unit 35 that stops the supply of water by the pump 15, the supply water amount signal from the supply water amount calculation unit 32, and the timer 34. When it is detected that the value is less than or equal to the value, the liquid crystal display unit 12a includes a cleaning / replacement determining unit 36 for informing that the water quality conversion device 14 is in a cleaning / replacement time. The determination of the amount of rice may be automatically performed by installing a weight sensor for measuring the weight of the inner hook 5 in the inner hook storage portion 2 or may be input by the user from the operation button 12b. Is also good.

次に、以上の構成を有する本実施形態の誘導加熱調理器の動作について図１乃至図４に基づき説明する。まず、炊飯前の準備状態として、貯水タンク１３内に水を投入し、次に着脱可能な水質変換装置１４を貯水タンク１３後方に設置する（図３）。貯水タンク１３は水質変換装置１４と一体のまま調理器本体１下部の貯水タンク設置部１９内に挿入され、パイプ１７に接続される（図１）。   Next, operation | movement of the induction heating cooking appliance of this embodiment which has the above structure is demonstrated based on FIG. First, as a preparatory state before cooking rice, water is poured into the water storage tank 13, and then a removable water quality conversion device 14 is installed behind the water storage tank 13 (FIG. 3). The water storage tank 13 is inserted into the water storage tank installation part 19 at the lower part of the cooker body 1 while being integrated with the water quality conversion device 14, and is connected to the pipe 17 (FIG. 1).

次いで、外蓋９を開け、所定量の米を内釜５内に入れた後、内釜５を内釜収納部２に載置し外蓋９を閉めると、内蓋７の蓋パッキン８が内釜５のフランジ部に圧接し、シールする。その後、米量が判定されるが、ここでは使用者が入操作／表示部１２の操作ボタン１２ｂにより入力するものとする。そして、操作／表示部１２の炊飯工程スイッチ（操作ボタン１２ｂ）をオンすると、ポンプ１５が作動し、貯水タンク１３内から内釜５内への水の供給が開始される。流量センサ１６からはパイプ１７を通過した水の流量が制御装置３０に送られ、米量に応じた供給水量に達した時点で、ポンプ１５が停止させられ、内釜５内への水供給が停止され、炊飯工程がスタートする。なお、外蓋９の開け閉め時には、パイプ１７の蛇腹１７ａが屈曲可能なため、開閉の妨げとはならない。   Next, after opening the outer lid 9 and putting a predetermined amount of rice in the inner pot 5, the inner pot 5 is placed on the inner pot storage portion 2 and the outer lid 9 is closed. The flange is pressed against the inner hook 5 and sealed. Thereafter, the amount of rice is determined. Here, it is assumed that the user inputs with the operation button 12b of the input operation / display unit 12. And if the rice cooking process switch (operation button 12b) of the operation / display part 12 is turned ON, the pump 15 will act | operate and the supply of the water from the inside of the water storage tank 13 into the inner pot 5 will be started. The flow rate of the water passing through the pipe 17 is sent from the flow sensor 16 to the control device 30. When the amount of water supplied according to the amount of rice reaches the pump 15, the pump 15 is stopped and water supply into the inner pot 5 is stopped. Stopped and the rice cooking process starts. Note that when the outer lid 9 is opened and closed, the bellows 17a of the pipe 17 can be bent, so that it does not hinder the opening and closing.

加熱コイル３には、インバータ回路（図示せず）から高周波電流が供給され、高周波磁界が発生し、加熱コイル３と磁気結合した内釜５の加熱コイル対向面が励磁され、容器底面に渦電流が誘起される。この渦電流と内釜５の持つ抵抗によりジュール熱を生じ、鍋底面が発熱して加熱が行われる。なお、貯水タンク１３は、既述したように磁性金属あるいは磁性体からなり、加熱コイル３の下方において当該加熱コイル３が発生する高周波磁界内に配置されているため、高周波磁界を利用して貯水タンク１３を発熱させることも可能である。   A high frequency current is supplied to the heating coil 3 from an inverter circuit (not shown), a high frequency magnetic field is generated, the surface facing the heating coil of the inner hook 5 magnetically coupled to the heating coil 3 is excited, and an eddy current is generated on the bottom of the container. Is induced. Joule heat is generated by the eddy current and the resistance of the inner pot 5, and the bottom surface of the pan generates heat to perform heating. Since the water storage tank 13 is made of a magnetic metal or a magnetic material as described above and is disposed in the high frequency magnetic field generated by the heating coil 3 below the heating coil 3, the water storage tank 13 stores water using the high frequency magnetic field. The tank 13 can also generate heat.

水質変換装置１４は、図３のように水を改質する用途や使用者の要望に応じて交換可能となっており、これが本発明の最大の特徴点である。例えば、水質変換装置１４ａは、ポーラス状に形成した炭製のろ過材であり、水が水質変換装置１４ａを通過する際に水内の汚れを吸着し、汚染度の少ない水を内釜５内に投入することができる。汚れの少ないきれいな水で炊飯したいという場合には水質変換装置１４ａを装着する。   As shown in FIG. 3, the water quality conversion device 14 can be exchanged according to the purpose of reforming water or according to the user's request, and this is the greatest feature of the present invention. For example, the water quality conversion device 14a is a charcoal filter medium formed in a porous shape, and adsorbs dirt in the water when the water passes through the water quality conversion device 14a, so that water with a low degree of contamination is put into the inner pot 5. Can be put in. When it is desired to cook rice with clean water with little dirt, the water quality conversion device 14a is attached.

一方、別の用途として、水にミネラル成分を加えたいという場合には、別の水質変換装置１４ｂを装着する。水質変換装置１４ｂは、フィルタ内にミネラル成分、具体的にはＣａ，Ｍｇ，Ｎａ，Ｋ，Ｚｎ，Ｆｅ，Ｃｕなどを含浸させてあり、水が通過する際にこれらミネラル成分が水中に溶出し、内釜５内に投入される。   On the other hand, as another application, when it is desired to add a mineral component to water, another water quality conversion device 14b is attached. The water quality conversion device 14b has a filter impregnated with mineral components, specifically, Ca, Mg, Na, K, Zn, Fe, Cu, etc., and these mineral components are eluted into the water when the water passes through. , And put into the inner pot 5.

ミネラル成分を含浸させた水質変換装置１４ｂを通した水で炊いた米飯中には、普段の食事では不足しがちなＣａ，Ｍｇ，Ｎａ，Ｋ，Ｚｎ，Ｆｅ，Ｃｕが含まれることとなり、このような米飯を食べることで、ミネラル成分取得が可能となる。さらに、Ｃａ，Ｍｇなどは、炊飯米に微妙な食味の変化をもたらし、使用者の好みに応じて使い分けることが可能となる。なお、水質変換装置１４ｂに含まれるミネラル成分は、単一でも、あるいは複数混合して用いることができる。単一ミネラル成分ごとに水質変換装置１４ｂを複数種用意し、要望に応じて使い分けることも可能である。   The cooked rice cooked with water through the water quality conversion device 14b impregnated with mineral components contains Ca, Mg, Na, K, Zn, Fe, Cu, which are likely to be insufficient in ordinary meals. Mineral components can be acquired by eating such cooked rice. Furthermore, Ca, Mg, etc. bring a subtle change in taste to the cooked rice, and can be used properly according to the user's preference. In addition, the mineral component contained in the water quality conversion device 14b can be used singly or in combination. It is also possible to prepare a plurality of types of water quality conversion devices 14b for each single mineral component and use them as required.

さらに、別の用途して、水の硬度を下げたいという場合には、更に別の水質変換装置１４ｃを装着する。水質変換装置１４ｃは、例えば透光性を有するイオン交換樹脂からなり、水道水中のＣａ，Ｍｇといった硬度成分を取り除くことができる。硬度成分を取り除くことにより、水道水での炊飯や水質変換装置１４ｂでの炊飯とは別の食味を提供でき、米飯の食味のバリエーションを広げることができる。なお、パイプ１７内のスケール（水道水中に含まれる硬度成分による管内への付着・固化）を防止したい場合には、水質変換装置１４ｃは特に有効となる。   Furthermore, when it is desired to lower the hardness of water for another use, a further water quality conversion device 14c is mounted. The water quality conversion device 14c is made of a translucent ion exchange resin, for example, and can remove hardness components such as Ca and Mg in tap water. By removing the hardness component, it is possible to provide a different taste from the cooking with tap water and the cooking with the water quality conversion device 14b, and the variation in the taste of cooked rice can be expanded. It should be noted that the water quality conversion device 14c is particularly effective when it is desired to prevent the scale in the pipe 17 (adhesion / solidification in the pipe due to hardness components contained in tap water).

また、水質変換装置１４は、いずれの機能のものも貯水タンク１３に着脱自在であるため、使用者による洗浄や乾燥を容易に行うことが可能である。さらに、貯水タンク１３も調理器本体１から着脱自在であるため、使用者による洗浄や乾燥を容易に行うことが可能である。   Moreover, since the water quality conversion apparatus 14 of any function is detachable from the water storage tank 13, it can be easily washed and dried by the user. Furthermore, since the water storage tank 13 is also detachable from the cooker body 1, it can be easily washed and dried by the user.

給水時、流量センサ１６から制御装置３０にパイプ１７を通過した流量の計測値が送られ、米量に応じた供給水量に達した時点で、ポンプ１５が停止され、内釜５内への水供給が停止され、炊飯工程がスタートする。   At the time of water supply, the measured value of the flow rate that has passed through the pipe 17 is sent from the flow rate sensor 16 to the control device 30, and when the amount of supplied water corresponding to the amount of rice is reached, the pump 15 is stopped and the water into the inner pot 5 is stopped. Supply is stopped and the rice cooking process starts.

また、流量センサ１６で計測された流量の計測値は、水量の把握による水質変換装置１４の目詰まりや劣化の判断にも利用され、単位時間あたりの流量が所定値以下となった場合には、ポンプ１５の駆動が停止され、操作／表示部１２の液晶表示部１２ａに水質変換装置１４の目詰まりや劣化を疑う旨報知される。これにより、使用者が洗浄や交換などのメンテナンスを行う時期の判断をすることが可能となる。   The measured value of the flow rate measured by the flow rate sensor 16 is also used for determining clogging or deterioration of the water quality conversion device 14 by grasping the amount of water, and when the flow rate per unit time falls below a predetermined value. Then, the driving of the pump 15 is stopped, and the liquid crystal display unit 12a of the operation / display unit 12 is notified that the water quality conversion device 14 is clogged or deteriorated. This makes it possible to determine when the user performs maintenance such as cleaning and replacement.

実施の形態２．
図５は本発明の実施の形態２に係る誘導加熱調理器の全体構成を示す縦断面図であり、図中、前述の実施の形態１のものと同一部分には同一符号を付してある。 Embodiment 2. FIG.
FIG. 5 is a longitudinal sectional view showing the overall configuration of the induction heating cooker according to the second embodiment of the present invention, in which the same parts as those in the first embodiment are denoted by the same reference numerals. .

本実施の形態の誘導加熱調理器は、貯水タンク１３を含む流水経路内、ここでは貯水タンク１３における水質変換装置１４の設置部の後方に形成した段部１３ａの頂面に、透光窓２０を設けるとともに、透光窓２０に臨ませて通過する水に紫外線を照射する例えばＬＥＤからなる紫外線照射装置１８を設置した点が前述の実施の形態１のものと異なっており、それ以外の構成は実施の形態１のものと同様である。   The induction heating cooker according to the present embodiment has a translucent window 20 on the top surface of a stepped portion 13a formed in the flowing water path including the water storage tank 13, that is, in this case, behind the installation portion of the water quality conversion device 14 in the water storage tank 13. Is different from that of the first embodiment described above in that an ultraviolet irradiation device 18 made of, for example, an LED that irradiates the water passing through the transparent window 20 with ultraviolet rays is provided. Is the same as that of the first embodiment.

本実施形態の誘導加熱調理器においては、紫外線照射装置１８から照射される紫外線には殺菌作用があるため、水の浄化に効力を発揮する。さらに、本実施形態のように水質変化装置１４、例えば炭製のろ過材からなる水質変換装置１４ａと共用することで、水の浄化機能をさらに向上させることができる。   In the induction heating cooker of this embodiment, the ultraviolet rays irradiated from the ultraviolet irradiation device 18 have a bactericidal action, and thus are effective in purifying water. Furthermore, the water purification function can be further improved by sharing the water quality change device 14 such as the water quality conversion device 14a made of charcoal filter material as in the present embodiment.

実施の形態３．
図６は本発明の実施の形態３に係る誘導加熱調理器の全体構成を示す縦断面図であり、図中、前述の実施の形態１のものと同一部分には同一符号を付してある。 Embodiment 3 FIG.
FIG. 6 is a longitudinal sectional view showing the overall configuration of the induction heating cooker according to the third embodiment of the present invention. In the figure, the same parts as those in the first embodiment are denoted by the same reference numerals. .

本実施の形態の誘導加熱調理器は、貯水タンク１３を含む流水経路内、ここでは貯水タンク１３の後部に形成した段部１３ａ内に、ポーラス状に形成した透光性を有するイオン交換樹脂フィルタからなる水質変換装置１４ｃを配置するとともに、段部１３ａの頂面に、透光窓２０を設け、透光窓２０に臨ませて例えばＬＥＤからなる紫外線照射装置１８を設置し、水質変換装置１４ｃを通過する水に紫外線を照射するようにした点が前述の実施の形態１のものと異なっており、それ以外の構成は実施の形態１のものと同様である。   The induction heating cooker according to the present embodiment includes a translucent ion-exchange resin filter formed in a porous shape in a flowing water path including the water storage tank 13, here, in a step portion 13 a formed at the rear of the water storage tank 13. The water quality conversion device 14c is arranged, and a light transmission window 20 is provided on the top surface of the stepped portion 13a. An ultraviolet irradiation device 18 made of, for example, an LED is installed facing the light transmission window 20, and the water quality conversion device 14c. The point which irradiates the ultraviolet-ray to the water which passes is different from the thing of the above-mentioned Embodiment 1, and the structure other than that is the same as that of Embodiment 1. FIG.

本実施形態の誘導加熱調理器においては、水質変換装置１４ｃを通過する水を、紫外線照射装置１８から照射される紫外線により殺菌して、水を浄化することができるとともに、イオン交換樹脂フィルタからなる水質変換装置１４ｃによって、例えば水道水中のＣａ，Ｍｇといった硬度成分を取り除くようなことができる。硬度成分を取り除くことにより、水道水での炊飯や水質変換装置１４ｂでの炊飯とは別の食味を提供でき、米飯の食味のバリエーションを広げることができる。また、これら水の浄化と改質を行う水質変換装置１４ｃと紫外線照射装置１８を、貯水タンク１３の後部に形成した段部１３ａ内に集約して設けているので、貯水タンク１３の容量の確保が容易となる。なお、透光性を有するイオン交換樹脂は種々のものが市販されており、入手も容易である。   In the induction heating cooker of the present embodiment, the water passing through the water quality conversion device 14c can be sterilized by the ultraviolet rays irradiated from the ultraviolet irradiation device 18 to purify the water, and includes an ion exchange resin filter. For example, hardness components such as Ca and Mg in tap water can be removed by the water quality conversion device 14c. By removing the hardness component, it is possible to provide a different taste from rice cooked with tap water or cooked with the water quality conversion device 14b, and the variety of taste of cooked rice can be expanded. Further, since the water quality conversion device 14c and the ultraviolet irradiation device 18 for purifying and reforming the water are provided in the step portion 13a formed at the rear portion of the water storage tank 13, the capacity of the water storage tank 13 is ensured. Becomes easy. Various ion exchange resins having translucency are commercially available and are easily available.

本発明の実施の形態１に係る誘導加熱調理器の構成を示す断面図である。It is sectional drawing which shows the structure of the induction heating cooking appliance which concerns on Embodiment 1 of this invention. 本発明の実施の形態１に係る誘導加熱調理器の構成を示す斜視図である。It is a perspective view which shows the structure of the induction heating cooking appliance which concerns on Embodiment 1 of this invention. 本発明の実施の形態１に係る誘導加熱調理器の貯水タンクと水質変換装置との関係を示す分解斜視図である。It is a disassembled perspective view which shows the relationship between the water storage tank and water quality conversion apparatus of the induction heating cooking appliance which concerns on Embodiment 1 of this invention. 本発明の実施の形態１に係る誘導加熱調理器の制御部の構成を示すブロック図である。It is a block diagram which shows the structure of the control part of the induction heating cooking appliance which concerns on Embodiment 1 of this invention. 本発明の実施の形態２に係る誘導加熱調理器の構成を示す断面図である。It is sectional drawing which shows the structure of the induction heating cooking appliance which concerns on Embodiment 2 of this invention. 本発明の実施の形態２に係る誘導加熱調理器の構成を示す断面図である。It is sectional drawing which shows the structure of the induction heating cooking appliance which concerns on Embodiment 2 of this invention.

符号の説明Explanation of symbols

１ 調理器本体、２ 内釜収納部、３ 加熱コイル、４ 内釜温度センサ、５ 内釜、６ フランジ、７ 内蓋、８ 蓋パッキン、９ 外蓋、１０ 系止材、１１ 蒸気口、１２ 操作／表示部、１２ａ 液晶表示部（報知手段）、１２ｂ 操作ボタン、１３ 貯水タンク、１３ａ 貯水タンクの段部、１４，１４ａ，１４ｂ，１４ｃ 水質変換装置、１５ ポンプ、１６ 流量センサ、１７ パイプ、１７ａ 蛇腹（可撓性パイプ）、１８ 紫外線照射装置、１９ 貯水タンク設置部、２０ 透光窓、３０ 制御装置、３１ メモリ、３２ 供給水量算出部、３３ 流量検出部、３４ タイマ、３５ 供給水量判定部、３６ 洗浄、交換判定部。   DESCRIPTION OF SYMBOLS 1 Cooker main body, 2 Inner pot accommodating part, 3 Heating coil, 4 Inner pot temperature sensor, 5 Inner pot, 6 Flange, 7 Inner cover, 8 Cover packing, 9 Outer cover, 10 System stop material, 11 Steam port, 12 Operation / display unit, 12a Liquid crystal display unit (notification means), 12b Operation button, 13 Water storage tank, 13a Water tank step, 14, 14a, 14b, 14c Water quality conversion device, 15 Pump, 16 Flow rate sensor, 17 Pipe, 17a bellows (flexible pipe), 18 ultraviolet irradiation device, 19 water storage tank installation unit, 20 light transmission window, 30 control device, 31 memory, 32 supply water amount calculation unit, 33 flow rate detection unit, 34 timer, 35 supply water amount determination Part, 36 Cleaning and replacement judgment part.

Claims (13)

上部が開口した内釜収納部を有する調理器本体と、
前記内釜収納部に収納される内釜と、
前記内釜収納部の開口部を開閉自在に覆う蓋と、
調理状態や受付操作内容を知らせる報知手段と、
前記内釜を発熱させる誘導加熱コイルと、
水を貯蔵する貯水タンクと、
前記貯水タンクから前記内釜へ水を導く流水経路となるパイプと、
前記流水経路内に設置されて前記貯水タンクの水を前記内釜に輸送するポンプと、
前記貯水タンクを含む流水経路内に設置されて前記内釜内に投入される水の浄化およびミネラル成分の付与の少なくとも一方を行う水質変換装置と、
を備えることを特徴とする誘導加熱調理器。 A cooker body having an inner pot storage portion with an open top;
An inner pot stored in the inner pot storage section;
A lid that covers the opening of the inner hook storage section so as to be openable and closable;
An informing means for informing the cooking state and the contents of the reception operation;
An induction heating coil for generating heat in the inner pot;
A water storage tank for storing water;
A pipe serving as a water flow path for guiding water from the water storage tank to the inner pot;
A pump installed in the water flow path to transport the water in the water storage tank to the inner pot;
A water quality conversion device that is installed in a flowing water path including the water storage tank and performs at least one of purification of water introduced into the inner pot and provision of mineral components;
An induction heating cooker comprising: 前記水質変換装置は着脱可能であることを特徴とする請求項１記載の誘導加熱調理器。   The induction heating cooker according to claim 1, wherein the water quality conversion device is detachable. 前記貯水タンクは、前記調理器本体に、前方へ取り出し可能に収納されてなることを特徴とする請求項１又は請求項２記載の誘導加熱調理器。   The induction heating cooker according to claim 1 or 2, wherein the water storage tank is housed in the cooker body so as to be able to be taken out forward. 前記貯水タンク内に前記水質変換装置の設置部を設けて、該設置部内に前記水質変換装置を着脱可能に取り付けたことを特徴とする請求項１乃至請求項３のいずれかに記載の誘導加熱調理器。   The induction heating according to any one of claims 1 to 3, wherein an installation portion of the water quality conversion device is provided in the water storage tank, and the water quality conversion device is detachably attached in the installation portion. Cooking device. 前記貯水タンクは、誘導加熱可能な磁性金属あるいは磁性体からなり、前記内釜収納部の下部における前記誘導加熱コイルが発生する高周波磁界内に配置されてなることを特徴とする請求項１乃至請求項４のいずれかに記載の誘導加熱調理器。   The said water storage tank is made of a magnetic metal or a magnetic material capable of induction heating, and is disposed in a high frequency magnetic field generated by the induction heating coil in a lower portion of the inner pot housing portion. The induction heating cooking appliance in any one of claim | item 4. 前記貯水タンクを含む流水経路内に透光窓を設けるとともに、該透光窓に臨ませて紫外線照射装置を設置したことを特徴とする請求項１乃至請求項５のいずれかに記載の誘導加熱調理器。   The induction heating according to any one of claims 1 to 5, wherein a translucent window is provided in a flowing water path including the water storage tank, and an ultraviolet irradiation device is installed facing the translucent window. Cooking device. 前記水質変換装置は、炭を含む多孔質材料を用いた格子形状やポーラス形状のフィルタからなることを特徴とする請求項１乃至請求項６のいずれかに記載の誘導加熱調理器。   The induction heating cooker according to any one of claims 1 to 6, wherein the water quality conversion device comprises a lattice-shaped or porous filter using a porous material containing charcoal. 前記炭を含む多孔質材料を用いたフィルタには、Ｃａ，Ｍｇ，Ｎａ，Ｋ，Ｚｎ，Ｆｅ，Ｃｕなどのミネラル成分のうち少なくとも一つの成分が含浸させてあり、この含浸させたミネラル成分が、水が通過する際に水中に溶出することを特徴とする請求項７記載の誘導加熱調理器。   The filter using the porous material containing charcoal is impregnated with at least one component among mineral components such as Ca, Mg, Na, K, Zn, Fe, Cu, and the impregnated mineral component is impregnated. The induction heating cooker according to claim 7, wherein when the water passes, it is eluted into water. 前記水質変換装置は、イオン交換樹脂を用いた格子形状やポーラス形状のフィルタからなることを特徴とする請求項１乃至請求項６のいずれかに記載の誘導加熱調理器。   The induction heating cooker according to any one of claims 1 to 6, wherein the water quality conversion device includes a lattice-shaped or porous filter using an ion exchange resin. 前記フィルタは透光性を有しており、この透光性フィルタの設置部に対応させて前記透光窓と前記紫外線照射装置が配置され、該紫外線照射装置は前記透光性フィルタ部を通過する水に紫外線を照射することを特徴とする請求項６乃至請求項９のいずれかに記載の誘導加熱調理器。   The filter has translucency, and the translucent window and the ultraviolet irradiation device are arranged in correspondence with an installation portion of the translucent filter, and the ultraviolet irradiation device passes through the translucent filter portion. The induction heating cooker according to any one of claims 6 to 9, wherein the water to be irradiated is irradiated with ultraviolet rays. 前記流水経路となるパイプは、前記調理器本体の内側部を通って前記蓋の内部まで延出しているとともに、その前記蓋の開閉により屈曲する部分が可撓性パイプから構成されていることを特徴とする請求項１乃至請求項１０のいずれかに記載の誘導加熱調理器。   The pipe serving as the flowing water path extends to the inside of the lid through the inner part of the cooker body, and the portion bent by opening and closing the lid is formed of a flexible pipe. The induction heating cooking device according to any one of claims 1 to 10, wherein the cooking device is an induction heating cooker. 前記流水経路内に流量センサを設けるとともに、該流量センサからの流量信号と米量の信号とに基づき前記ポンプを駆動して前記内釜への供給水量を制御する制御手段を設け、前記米量に応じた供給水量となれば、前記制御手段によって前記ポンプによる水の供給を停止させるように構成したことを特徴とする請求項１乃至請求項１１のいずれかに記載の誘導加熱調理器。   A flow rate sensor is provided in the water flow path, and a control unit is provided for controlling the amount of water supplied to the inner pot by driving the pump based on a flow rate signal from the flow rate sensor and a rice amount signal. The induction heating cooker according to any one of claims 1 to 11, wherein when the amount of supplied water is in accordance with, the control means stops the supply of water by the pump. 前記制御手段は、前記流量センサによって単位時間あたりの流量が所定値以下となったことが検知されると、前記報知手段によって前記水質変換装置が洗浄、交換時期にあることを報知させるように構成されてなることを特徴とする請求項１２記載の誘導加熱調理器。   When the flow rate sensor detects that the flow rate per unit time has become a predetermined value or less by the flow rate sensor, the control unit is configured to cause the notification unit to notify that the water quality conversion device is in a cleaning or replacement period. The induction heating cooker according to claim 12, wherein the induction heating cooker is formed.
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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011156425A (en) * 2011-05-26 2011-08-18 Mitsubishi Electric Corp Cooker
JP2014083203A (en) * 2012-10-23 2014-05-12 Mitsubishi Electric Corp Rice cooker
CN105455616A (en) * 2016-01-07 2016-04-06 德奥通用航空股份有限公司 Pot with automatic water supply system
JP2018094105A (en) * 2016-12-14 2018-06-21 三菱電機株式会社 rice cooker
KR20190106593A (en) * 2018-03-09 2019-09-18 (주)쿠첸 Pot
KR20190106592A (en) * 2018-03-09 2019-09-18 (주)쿠첸 Pot
JP2019209060A (en) * 2018-06-08 2019-12-12 三菱電機株式会社 Heating cooker
JP2020081311A (en) * 2018-11-22 2020-06-04 三菱電機株式会社 Heating cooker
CN112401633A (en) * 2020-11-19 2021-02-26 张凯传 Cooking equipment capable of automatically controlling based on weight
CN113116165A (en) * 2019-12-31 2021-07-16 浙江苏泊尔家电制造有限公司 Control method for cooking appliance and cooking appliance
JP2021115168A (en) * 2020-01-23 2021-08-10 パナソニックＩｐマネジメント株式会社 rice cooker
JP7450169B2 (en) 2021-01-25 2024-03-15 パナソニックＩｐマネジメント株式会社 rice cooker

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011156425A (en) * 2011-05-26 2011-08-18 Mitsubishi Electric Corp Cooker
JP2014083203A (en) * 2012-10-23 2014-05-12 Mitsubishi Electric Corp Rice cooker
CN105455616A (en) * 2016-01-07 2016-04-06 德奥通用航空股份有限公司 Pot with automatic water supply system
JP2018094105A (en) * 2016-12-14 2018-06-21 三菱電機株式会社 rice cooker
KR102187887B1 (en) 2018-03-09 2020-12-08 (주)쿠첸 Pot
KR20190106593A (en) * 2018-03-09 2019-09-18 (주)쿠첸 Pot
KR20190106592A (en) * 2018-03-09 2019-09-18 (주)쿠첸 Pot
KR102187888B1 (en) 2018-03-09 2020-12-08 (주)쿠첸 Pot
JP7187829B2 (en) 2018-06-08 2022-12-13 三菱電機株式会社 heating cooker
JP2019209060A (en) * 2018-06-08 2019-12-12 三菱電機株式会社 Heating cooker
JP2020081311A (en) * 2018-11-22 2020-06-04 三菱電機株式会社 Heating cooker
JP7403219B2 (en) 2018-11-22 2023-12-22 三菱電機株式会社 heating cooker
CN113116165A (en) * 2019-12-31 2021-07-16 浙江苏泊尔家电制造有限公司 Control method for cooking appliance and cooking appliance
JP2021115168A (en) * 2020-01-23 2021-08-10 パナソニックＩｐマネジメント株式会社 rice cooker
JP7336735B2 (en) 2020-01-23 2023-09-01 パナソニックＩｐマネジメント株式会社 rice cooker
CN112401633A (en) * 2020-11-19 2021-02-26 张凯传 Cooking equipment capable of automatically controlling based on weight
CN112401633B (en) * 2020-11-19 2021-12-03 东平东原技术开发有限公司 Cooking equipment capable of automatically controlling based on weight
JP7450169B2 (en) 2021-01-25 2024-03-15 パナソニックＩｐマネジメント株式会社 rice cooker

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