JP4140565B2 - rice cooker - Google Patents

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Publication number
JP4140565B2
JP4140565B2 JP2004189169A JP2004189169A JP4140565B2 JP 4140565 B2 JP4140565 B2 JP 4140565B2 JP 2004189169 A JP2004189169 A JP 2004189169A JP 2004189169 A JP2004189169 A JP 2004189169A JP 4140565 B2 JP4140565 B2 JP 4140565B2
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Japan
Prior art keywords
pan
rice
rice cooker
storage portion
rubber
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JP2006006681A (en
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基道 三島
政樹 由良
弘 大矢
幸一郎 山下
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Panasonic Corp
Panasonic Holdings Corp
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Panasonic Corp
Matsushita Electric Industrial Co Ltd
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Description

本発明は重量計測手段により米計量に合致した最適な水計量を得て所望の炊飯が行えるようにした炊飯器に関するものである。   The present invention relates to a rice cooker in which an optimum water metering that matches rice metering is obtained by a weight measuring means so that desired rice cooking can be performed.

従来この種の炊飯器は炊飯ヒーターの上に内鍋を載せて、内鍋と被炊飯物と炊飯ヒーターの全体重量を重量計測手段により計量して、米計量に合致した最適な水計量を得ようとしている(例えば、特許文献1参照)。   Conventionally, this type of rice cooker puts an inner pot on the rice cooker, and weighs the entire weight of the inner pot, the cooked rice, and the rice heater with a weight measuring means, and obtains an optimal water metering that matches rice weighing. (See, for example, Patent Document 1).

図5は、特許文献1に記載された従来の重量センサーを用いた炊飯器を示すものである。図5に示すように、炊飯器本体1は、内鍋2、内容器3、炊飯ヒーター4、重量検出装
置5を備えている。重量検出装置5はシャーシー6、歪みゲージを貼付した板バネ7、テーブル8で構成されている。内容器3底面に重量検出装置5のシャーシー6が固定され、シャーシー6と板バネ7、テーブル8は底面に対して略平行に取付けられ、テーブル8には炊飯ヒーター4が取付けられ、内鍋2は炊飯ヒーター4上に載る。
FIG. 5 shows a rice cooker using a conventional weight sensor described in Patent Document 1. As shown in FIG. As shown in FIG. 5, the rice cooker main body 1 includes an inner pot 2, an inner container 3, a rice cooker 4, and a weight detection device 5. The weight detection device 5 includes a chassis 6, a leaf spring 7 with a strain gauge attached thereto, and a table 8. The chassis 6 of the weight detection device 5 is fixed to the bottom surface of the inner container 3, the chassis 6, the leaf spring 7, and the table 8 are attached substantially parallel to the bottom surface, and the rice cooking heater 4 is attached to the table 8. Is placed on the rice heater 4.

上記構成において内鍋に米や水の被炊飯物を入れ、本体に収納すると、被炊飯物の重量は炊飯ヒーター4、テーブル8を介して板バネ7に伝わり、板バネ7に貼付した歪みゲージの歪み量を電圧等に変換して被炊飯物の重量を検知する。
特許第2832455号公報
In the above configuration, when rice or water to be cooked is put in the inner pan and stored in the main body, the weight of the cooked rice is transmitted to the plate spring 7 through the rice cooker 4 and the table 8 and is attached to the plate spring 7. The weight of the cooked rice is detected by converting the amount of distortion into a voltage or the like.
Japanese Patent No. 2832455

しかしながら、従来例では被炊飯物を入れた鍋2を本体1に収納する時、鍋2はテーブル8に載り、テーブル8には鍋2が炊飯器本体1の鍋収納部と接触しないように鍋の位置決め部材を有していた。また、鍋2の底面はテーブル8面に載っているので、鍋2の回転は阻止されていた。鍋の加熱手段を誘導加熱コイルとして誘導加熱式炊飯器とした場合、鍋の底と誘導加熱コイルとの間の隙間は狭くてテーブルを設けることが出来ないので、炊きあがったご飯をしゃもじでほぐす時やご飯を茶碗へよそう時、鍋が容易には回転しないようにしなければならないという課題を有していた。   However, in the conventional example, when the pan 2 containing the rice to be cooked is stored in the main body 1, the pan 2 is placed on the table 8, and the pan 8 is placed on the table 8 so that the pan 2 does not contact the pan storage portion of the rice cooker main body 1. The positioning member was included. Moreover, since the bottom face of the pan 2 rests on the table 8, the pan 2 is prevented from rotating. When the induction heating coil is used as the heating means for the pan, the gap between the bottom of the pan and the induction heating coil is so narrow that a table cannot be provided, so when cooking the cooked rice with a rice scoop When the rice was going to the bowl, there was a problem that the pot had to be prevented from rotating easily.

本発明は前記課題を解決するもので、誘導加熱式炊飯器であって、鍋の回転を阻止できる炊飯器を提供することを目的とする。   This invention solves the said subject, It is an induction heating type rice cooker, Comprising: It aims at providing the rice cooker which can prevent rotation of a pan.

前記従来の課題を解決するために本発明の炊飯器は、収納部の上端内面に、少なくとも3個のガイドローラーとガイドローラーに装着したゴムローラーとを設け、2個のガイドローラーの略中間位置の鉛直下方に先端部が略平面形状の弾性体の鍋の回り止め部材を設けたものである。   In order to solve the above-described conventional problems, the rice cooker of the present invention is provided with at least three guide rollers and a rubber roller attached to the guide roller on the inner surface of the upper end of the storage unit, and is approximately in the middle of the two guide rollers. An anti-rotation member for an elastic pan having a substantially planar shape at the tip is provided vertically below.

これによって、炊きあがったご飯をほぐすために、しゃもじを鍋の底面に沿って強く動かす時に鍋が傾いた場合、鍋と収納部の内面に設けた弾性体の鍋の回り止め部材が接触して抵抗となり、鍋の回転を阻止することができる。   In this way, if the pan is tilted when the rice paddle is moved strongly along the bottom of the pan to loosen the cooked rice, the detent member of the elastic pan provided on the inner surface of the pan and the storage part will contact and resist It is possible to prevent the pan from rotating.

本発明の炊飯器は、しゃもじで鍋のご飯をほぐしたり、よそう時、鍋の回転を阻止することができる。   The rice cooker of the present invention can loosen the rice in the pot with rice paddles or prevent the pot from rotating when it does.

本発明の請求項1に記載の発明は、上面が開口した本体と、前記本体の収納部に着脱自在に収納される鍋と、前記収納部を開閉自在に覆う蓋と、前記鍋を誘導加熱する誘導加熱手段と、前記収納部に設けた重量検出装置とを備え、前記収納部の上端内面に、少なくとも3個のガイドローラーと前記ガイドローラーに装着したゴムローラーとを設け、前記2個のガイドローラーの略中間位置の鉛直下方に先端部が略平面形状の弾性体の鍋の回り止め部材を設けたことにより、しゃもじを鍋の底面に沿って強く動かす時に鍋が傾いた場合、鍋と収納部の内面に設けた先端部が略平面のリップ状弾性体の鍋の回り止め部材が接触して抵抗となり、鍋を固定することができる。   According to the first aspect of the present invention, there is provided a main body having an open top surface, a pan that is detachably stored in a storage portion of the main body, a lid that covers the storage portion so as to be opened and closed, and induction heating of the pan. And a weight detecting device provided in the storage unit, and provided on the inner surface of the upper end of the storage unit with at least three guide rollers and a rubber roller attached to the guide roller, If the pan is tilted when the rice paddle is moved strongly along the bottom of the pan by providing an elastic pan detent member that has a substantially flat tip at the bottom of the guide roller in the vertical position, The tip portion provided on the inner surface of the storage portion comes into contact with the non-rotating member of the pan of the substantially flat lip-shaped elastic body, and the pan can be fixed.

本発明の請求項2に記載の発明は、収納部の内面にゴムを膜状に付けた鍋の回り止め部材を設け、しゃもじを鍋の底面に沿って強く動かす時に鍋が傾いた場合、鍋と収納部の内面に設けた鍋の回り止め部材が接触して抵抗となり、鍋を固定することができる。   The invention according to claim 2 of the present invention is such that when the pan is tilted when the scoop is moved strongly along the bottom of the pan, the pan is provided with a rubber film on the inner surface of the storage portion. And the detent member of the pan provided on the inner surface of the storage unit comes into contact and becomes a resistance, so that the pan can be fixed.

本発明の請求項3に記載の発明は、収納部の内面にゴムの小突起を設け、しゃもじを鍋の底面に沿って強く動かす時に鍋が傾いた場合、鍋と収納部の内面に設けたゴムの小突起が接触して抵抗となり、鍋を固定することができる。   The invention according to claim 3 of the present invention is provided with a small protrusion of rubber on the inner surface of the storage portion, and when the pan is tilted when the rice scoop is strongly moved along the bottom surface of the pan, it is provided on the inner surface of the pan and the storage portion. A small protrusion of rubber comes into contact and becomes a resistance, so that the pot can be fixed.

(実施の形態1)
図1は本発明の第1の実施の形態における炊飯器の断面図を示すものである。図2は同炊飯器の要素部品のガイドローラー19、ゴムローラー21の断面図、図3は同炊飯器の操作時の断面図、図6は同炊飯器の平面図を示す。
(Embodiment 1)
FIG. 1 shows a cross-sectional view of a rice cooker according to the first embodiment of the present invention. 2 is a cross-sectional view of the guide roller 19 and rubber roller 21 of the component parts of the rice cooker, FIG. 3 is a cross-sectional view during operation of the rice cooker, and FIG. 6 is a plan view of the rice cooker.

図1において、炊飯器の本体10には、その上面を覆う蓋20が開閉自在に設置されている。本体10の収納部30は上方の上枠12と下方のコイルベース13とから構成される。収納部30に収納する鍋11は、ステンレススチール、鉄など磁性体によって形成される。鍋11は、上端開口部に外側にせり出したフランジ11aを有し、フランジ11aを上枠12の上端から浮き上がった状態で載置することにより、収納部30に着脱自在に収納される。鍋11は収納時に、収納部30との間に隙間を有する。コイルベースの鍋11底部に対向する部分に鍋11を誘導加熱する誘導加熱コイル14が配設される。誘導加熱コイル14は鍋11の底部の中心の略真下に中心を有する巻線である。収納部30の内面の1部で2個のガイドローラー19の略中間位置には、先端部が略平面となったゴム系の弾性体から成る鍋の回り止め部材34が設けられている。   In FIG. 1, the lid | cover 20 which covers the upper surface is installed in the main body 10 of the rice cooker so that opening and closing is possible. The housing part 30 of the main body 10 is composed of an upper frame 12 on the upper side and a coil base 13 on the lower side. The pan 11 stored in the storage unit 30 is formed of a magnetic material such as stainless steel or iron. The pan 11 has a flange 11 a protruding to the outside at the upper end opening, and is detachably stored in the storage unit 30 by placing the flange 11 a in a state of being lifted from the upper end of the upper frame 12. The pan 11 has a gap between it and the storage unit 30 when stored. An induction heating coil 14 for induction heating the pan 11 is disposed at a portion of the coil base that faces the bottom of the pan 11. The induction heating coil 14 is a winding having a center substantially directly below the center of the bottom of the pan 11. A pan rotation prevention member 34 made of a rubber-based elastic body having a substantially flat tip portion is provided at a substantially intermediate position between the two guide rollers 19 in one portion of the inner surface of the storage portion 30.

本体10の底部には歪みセンサーを貼付した起歪体16と起歪体16を固定する固定台17と起歪体16のもう一方の端部に固定し、鍋11の重量を受ける鍋受け筒15からなる重量検知手段31を備えている。鍋受け筒15内には、温度検知手段18が設けられ、コイルバネで付勢されており、鍋11を鍋受け筒15上に載置すると、温度検知手段18が鍋11の底面に当接する。上枠12の上端部にはガイドローラー19が設けられており、ガイドローラー19にはゴムローラー21が装着されている。本体10内部には制御基板22、操作基板23が設けられている。制御基板22にはマイクロコンピューター(図示しない)が搭載されている。マイクロコンピューターはソフトウエアにより、誘導加熱コイル14に交番磁界を発生させるための電流を制御する。本実施の形態の炊飯器は、鍋11を誘導加熱し、鍋11内調理物24を加熱調理する。調理物24は、炊飯前の米と水または炊き上がったご飯等である。   The strain body 16 with a strain sensor attached to the bottom of the main body 10, the fixing base 17 for securing the strain body 16, and the other end of the strain body 16 are fixed, and the pan receptacle that receives the weight of the pan 11. The weight detection means 31 which consists of 15 is provided. A temperature detecting means 18 is provided in the pot receiving cylinder 15 and is urged by a coil spring. When the pot 11 is placed on the pot receiving cylinder 15, the temperature detecting means 18 comes into contact with the bottom surface of the pot 11. A guide roller 19 is provided at the upper end of the upper frame 12, and a rubber roller 21 is attached to the guide roller 19. A control board 22 and an operation board 23 are provided inside the main body 10. A microcomputer (not shown) is mounted on the control board 22. The microcomputer controls the current for generating an alternating magnetic field in the induction heating coil 14 by software. The rice cooker of this Embodiment induction-heats the pan 11, and cooks the food 24 in the pan 11 by heating. The cooked food 24 is rice before cooking rice, water, cooked rice, or the like.

図6に示すように、本体10の前部には本炊飯器の操作部25、表示部26、水加減を表示するLED27、確定ボタン28、炊飯ボタン29が設けられている。   As shown in FIG. 6, an operation unit 25, a display unit 26, an LED 27 for displaying water level, a confirmation button 28, and a rice cooking button 29 are provided at the front of the main body 10.

図2によってガイドローラー19の構成案を説明する。ガイドローラー19の軸穴32は中央部の径が小さく、その両側の穴径が大きくなっている。中央部から外へ向かってテーパー状の穴でも同じである。このような軸穴とすることによって、ガイドローラー19は軸33を中心にある範囲で回転中心が変化する。また、ゴムローラー21の断面形状は鍋11の半径に合わせて凹形状となっており、また、表面が鏡面状に滑らかで、ガイドローラー19の両端がゴムローラー21の両端内面と密着し、中間部に空間を有する。   A configuration plan of the guide roller 19 will be described with reference to FIG. The shaft hole 32 of the guide roller 19 has a small diameter at the center and a large diameter on both sides. The same applies to a tapered hole from the center to the outside. By using such a shaft hole, the center of rotation of the guide roller 19 changes within a range around the shaft 33. Moreover, the cross-sectional shape of the rubber roller 21 is a concave shape in accordance with the radius of the pan 11, the surface is smooth in a mirror surface, and both ends of the guide roller 19 are in close contact with the inner surfaces of both ends of the rubber roller 21. There is a space in the part.

以上のように構成された炊飯器について、以下その動作、作用を説明する。蓋を開けて、本体の電源を入れるとマイクロコンピューターと重量検知装置に通電され、マイクロコンピューターは予め鍋の重量が記憶されているので、鍋の有無を検知する。例えば、空の鍋が入っている状態では本体前面の表示部には「米計量中」の表示が出る。次に、米計量を確定する確定ボタンを押すと、表示部に米の量と水加減中の表示がでる。無洗米の場合は、鍋に水を入れていくとLEDが左から順次点灯する。米を入れただけの状態では、左端の位置のLEDが点灯する。中央が普通の水加減で中央より右が柔らかめ、中央より左
が固めの水加減となる。好みの水加減に設定した後、炊飯ボタンを押すと、炊飯が開始し、設定した硬さのご飯が炊き上がる。米を洗う場合は、確定ボタンを押した後、鍋を取り出し、洗米し、再度、鍋を本体に設置する。この時、鍋は鍋受け筒で鍋底の略中央を支持されると同時に、上枠に設けられたガイドローラー19に装着したゴムローラー21が鍋の上端部に軽く接触し、鍋と米と水の重量が計量される。無洗米と同様に、鍋に水を注ぎ足していくと、LEDが左から順次点灯するので、好みの水加減に調節して炊飯ボタンを押して、炊飯を開始する。炊飯終了後、ご飯をほぐしたり茶碗にご飯をよそう時、しゃもじの操作で鍋が回転しようとするが、上枠上端に設けたゴムローラー21の断面形状は鍋の半径の合わせて凹形状となっており、ゴムローラー21の凹面が鍋の側面に接触して鍋の回転を固定する。また、図3に示すように、しゃもじを鍋の底面に沿って強く動かす時に鍋が傾いた場合、鍋と収納部の内面に設けた先端部が略平面の弾性体の鍋の回り止め部材34が密着して抵抗となり、鍋の回転を阻止する。
About the rice cooker comprised as mentioned above, the operation | movement and an effect | action are demonstrated below. When the lid is opened and the main body is turned on, the microcomputer and the weight detection device are energized, and the microcomputer previously detects the weight of the pan, so it detects the presence or absence of the pan. For example, when an empty pan is in the display, the indication “rice is being measured” appears on the front display unit. Next, when the confirmation button for confirming rice weighing is pressed, the display shows the amount of rice and the amount of water being added or subtracted. In the case of non-washed rice, the LED lights up sequentially from the left when water is put into the pot. When rice is just put in, the LED at the leftmost position lights up. The center is normal water, the right is softer than the center, and the left is harder than the center. After setting the desired water level, press the rice cooker button to start cooking and cook the cooked rice. To wash the rice, press the confirm button, take out the pan, wash the rice, and place the pan on the main body again. At this time, the pan is supported by the pan receiver at the approximate center of the bottom of the pan, and at the same time, the rubber roller 21 attached to the guide roller 19 provided on the upper frame makes light contact with the upper end of the pan, and the pan, rice and water. Is weighed. As with unwashed rice, when water is added to the pan, the LEDs light up sequentially from the left, so adjust the water level to your liking and press the rice cooking button to start cooking. After cooking, when the rice is loosened or the rice bowl is served, the pan tries to rotate by the rice paddle operation, but the cross-sectional shape of the rubber roller 21 provided at the upper end of the upper frame is a concave shape that matches the radius of the pan. The concave surface of the rubber roller 21 comes into contact with the side surface of the pan and fixes the rotation of the pan. As shown in FIG. 3, when the pan is tilted when the rice scoop is moved strongly along the bottom surface of the pan, the tip portion provided on the inner surface of the pan and the storage portion is a substantially flat elastic body detent member 34. Will be in close contact with each other and become a resistance, preventing the pan from rotating.

また、本実施の形態の先端部が略平面の弾性体の鍋の回り止め部材34を、図4に示すように、ゴムを膜状に付けた鍋の回り止め部材34aとすることにより、鍋が傾いた場合、鍋の回り止め部材34aとの接触面積が広くできるため、鍋の回転を止める効果が大きくなる。   In addition, as shown in FIG. 4, the non-rotating member 34a of the pan of the elastic body having a substantially flat tip portion according to the present embodiment is used as a non-rotating member 34a of the pan with a rubber film. Since the contact area with the rotation prevention member 34a of the pan can be widened, the effect of stopping the rotation of the pan is increased.

また、本実施の形態の先端部が略平面のゴム系の弾性体から成る鍋の回り止め部材34を、図5に示すように、ゴムの小突起34bとすることにより、鍋が傾いた場合、鍋とゴムの小突起34bとの接触する機会が増えて、鍋の回転を止める効果が大きくなる。   In addition, when the pan is tilted by using a small protrusion 34b of the rubber as shown in FIG. 5 as the pan rotation prevention member 34 made of a rubber-based elastic body having a substantially flat tip portion in the present embodiment. The chance of contact between the pan and the small protrusion 34b of the rubber increases, and the effect of stopping the rotation of the pan is increased.

参考の実施の形態
図7は本発明の参考の実施の形態における炊飯器の断面図である。図7において、収納部30の内面に凹み34cを設けている。
( Reference Embodiment 1 )
Figure 7 is a cross-sectional view of a rice cooker according to the first embodiment of the reference of the present invention. In FIG. 7, a recess 34 c is provided on the inner surface of the storage unit 30.

上記構成にすることにより、鍋底をしゃもじで強くすくう時、鍋が傾いても鍋の側面と収納部は接触することがなく、鍋のフランジの一部が上枠の上面に当り、ゴムローラー21の凹面が鍋の側面に密着して鍋を固定する。   With the above configuration, when scooping the bottom of the pan strongly, the side of the pan does not come into contact with the storage portion even if the pan is tilted, and part of the flange of the pan hits the top surface of the upper frame, and the rubber roller 21 The concave surface of this sticks to the side of the pan and fixes the pan.

以上のように、本発明にかかる炊飯器の鍋を固定する構成は、民生用のみならず業務用の炊飯器にも適用できる。   As mentioned above, the structure which fixes the pan of the rice cooker concerning this invention can be applied not only to consumer use but also to a commercial rice cooker.

本発明の実施の形態1における炊飯器の断面図Sectional drawing of the rice cooker in Embodiment 1 of this invention. 同要部断面図Cross section of the main part 同操作時の断面図Cross section during the same operation 同別構成の断面図Cross-sectional view of the same configuration 同別構成の断面図Cross-sectional view of the same configuration 同平面図Plan view 本発明の参考の実施の形態における炊飯器の平面図The top view of the rice cooker in Embodiment 1 of the reference of this invention 従来の炊飯器を示す断面図Sectional drawing which shows the conventional rice cooker

符号の説明Explanation of symbols

10 本体
11 鍋
19 ゴムローラー
20 蓋
21 ガイドローラー
30 収納部
31 重量検出装置
34 鍋の回り止め部材
DESCRIPTION OF SYMBOLS 10 Main body 11 Pan 19 Rubber roller 20 Lid 21 Guide roller 30 Storage part 31 Weight detection apparatus 34 Pan rotation prevention member

Claims (3)

上面が開口した本体と、前記本体の収納部に着脱自在に収納される鍋と、前記収納部を開閉自在に覆う蓋と、前記鍋を誘導加熱する誘導加熱手段と、前記収納部に設けた重量検出装置とを備え、前記収納部の上端内面に、円周方向に略等間隔に、3個のガイドローラーと前記ガイドローラーに装着したゴムローラーとを設け、前記2個のガイドローラーの略中間位置の鉛直下方の前記収納部の内面に先端部が略平面形状の弾性体の鍋の回り止め部材を設けた炊飯器。 A main body having an open top surface, a pan that is detachably stored in the storage portion of the main body, a lid that covers the storage portion so as to be openable and closable, induction heating means that induction-heats the pan, and the storage portion A weight detection device, and provided with three guide rollers and a rubber roller mounted on the guide roller at substantially equal intervals in the circumferential direction on the inner surface of the upper end of the storage portion. The rice cooker which provided the rotation prevention member of the elastic pot whose front-end | tip part is substantially planar shape in the inner surface of the said storage part of the vertically lower direction of an intermediate position. 鍋の回り止め部材が、膜形状のゴムである請求項1記載の炊飯器。 The rice cooker according to claim 1, wherein the detent member of the pan is a film-shaped rubber. 鍋の回り止め部材がゴムの小突起である請求項1記載の炊飯器。 The rice cooker according to claim 1, wherein the rotation preventing member of the pan is a small protrusion of rubber.
JP2004189169A 2004-06-28 2004-06-28 rice cooker Expired - Fee Related JP4140565B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004189169A JP4140565B2 (en) 2004-06-28 2004-06-28 rice cooker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004189169A JP4140565B2 (en) 2004-06-28 2004-06-28 rice cooker

Publications (2)

Publication Number Publication Date
JP2006006681A JP2006006681A (en) 2006-01-12
JP4140565B2 true JP4140565B2 (en) 2008-08-27

Family

ID=35774552

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004189169A Expired - Fee Related JP4140565B2 (en) 2004-06-28 2004-06-28 rice cooker

Country Status (1)

Country Link
JP (1) JP4140565B2 (en)

Also Published As

Publication number Publication date
JP2006006681A (en) 2006-01-12

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