【０００４】
【発明が解決しようとする課題】
しかしながら、このような従来の電気炊飯器によれば、むらし行程終了間際から保温行程にかけて、放熱板の加熱を停止した状態で高周波振動手段が駆動されるために、水蒸気の一部が放熱板の内側で凝縮して結露し、これらが滴下し、美味しさを損なうという問題点があった。
本発明は、かかる問題点を解決するためになされたもので、内蓋への結露を防止することのできる電気炊飯器を提供することを目的とする。[0004]
[Problems to be solved by the invention]
However, according to such a conventional electric cooker, subjected steaming warmth stroke from stroke just before the end, in order to high-frequency vibration means is driven in a state of stopping the heating of the heat radiating plate, a portion of the water vapor radiator condensation and condensation on the inside of the plate, these beat drops, there is a problem that will a loss the of the beauty taste.
The present invention has been made to solve the above problems, and an object thereof is to provide an electric cooker capable of Turkey to prevent dew condensation on the inner lid.
【０００５】
【課題を解決するための手段】
本発明は上記目的を達成するため、内鍋と、この内鍋を収納する本体ケースと、この本体ケースの上部を開閉自在に覆う蓋体を備えた電気炊飯器において、前記蓋体は上蓋と下蓋と、この下蓋の下面に着脱自在に装着されて前記内鍋の上部開口を覆う磁性金属材からなる内蓋とを有し、前記下蓋に前記内蓋を誘導加熱する加熱コイル設けるとともに、該誘導加熱コイルと内蓋の間に前記内蓋に高周波振動を発生させる非磁性金属材を配設し、炊飯時における炊き上げ、蒸らし、保温の各行程の全てまたはいずれかで前記加熱コイルに高周波電流を通電したものである。[0005]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides an electric rice cooker comprising an inner pot, a main body case for housing the inner pot, and a lid which covers the upper portion of the main body case so as to open and close freely. A lower cover and an inner cover made of a magnetic metal material detachably mounted on the lower surface of the lower cover and covering the upper opening of the inner pot are provided, and a heating coil for inductively heating the inner cover is provided on the lower cover. In addition, a nonmagnetic metal material for generating high frequency vibration is disposed in the inner lid between the induction heating coil and the inner lid, and the heating is performed in all or any of the steps of cooking, steaming and heat retention at the time of rice cooking. The coil is supplied with a high frequency current.
【０００６】
また、内鍋と、この内鍋を収納する本体ケースと、この本体ケースの上部を開閉自在に覆う蓋体を備えた電気炊飯器において、前記蓋体は上蓋と下蓋と、この下蓋の下面に着脱自在に装着されて前記内鍋の上部開口部を覆う磁性金属材からなる内蓋とを有し、前記下蓋に前記内蓋を誘導加熱する加熱コイルを設けるとともに、この加熱コイルを下蓋の中心側に位置する内コイルとその外周側に位置する外コイルとに分割し、炊飯時における炊き上げ、蒸らし、保温の各行程の全てまたはいずれかで前記内コイルと外コイルに高周波電流をそれぞれ互いに異なる方向に通電したものである。[0006]
Further, in the electric rice cooker provided with an inner pot, a main body case for housing the inner pot, and a cover that covers the upper part of the main body case in an openable / closable manner, the cover includes an upper cover, a lower cover, and the lower cover. And an inner lid made of a magnetic metal material detachably mounted on the lower surface and covering the upper opening of the inner pot, the lower lid being provided with a heating coil for inductively heating the inner lid, and It is divided into the inner coil located on the center side of the lower lid and the outer coil located on the outer periphery, and the high frequency is applied to the inner coil and the outer coil in all or any of the cooking and steaming at the time of cooking Currents are applied in different directions.
【０００７】
【発明の実施の形態】
実施の形態１．
以下、本発明の実施の形態１を添付図面に基づいて説明する。図１は実施の形態１にかかる電気炊飯器の構成を示す縦断面図、図２は同じく蓋体の下面図、図３は同じく制御系のブロック図である。
図において、１は本体ケース、２はこの本体ケース１の上部に設けた環状の上枠でその内周には下方へ垂下した有底筒状の内枠３が形成されている。４はこの内枠内に収納された内鍋、４ａはこの内鍋４の上端縁に設けたフランジで、前記内鍋４は前記内枠３の上端にフランジ４ａにより懸架されるいる。５は本体ケース１の上部開口を開閉自在に覆う蓋体であり、その一方は開放方向に付勢するバネを備えたヒンジ６により本体ケース１に回動自在に支持され、他方は上枠２に設けた係止ボタン７にて着脱自在に係止されている。[0007]
BEST MODE FOR CARRYING OUT THE INVENTION
Embodiment 1
Hereinafter, Embodiment 1 of the present invention will be described based on the attached drawings. Figure 1 is a longitudinal sectional view showing the configuration of an electric rice cooker according to the first embodiment, FIG 2 is also a bottom view of the lid, FIG. 3 is a block diagram of a well control system.
In the figure, 1 is a main body case, 2 is an annular upper frame provided at the upper part of the main body case 1, and a bottomed cylindrical inner frame 3 hanging downward is formed on the inner periphery thereof. An inner pot 4 is accommodated in the inner frame, and 4a is a flange provided at the upper end edge of the inner pot 4. The inner pot 4 is suspended by the flange 4a at the upper end of the inner frame 3. A lid 5 covers the upper opening of the main body case 1 so as to open and close freely, one of which is rotatably supported on the main body case 1 by a hinge 6 having a spring biased in the opening direction, and the other is an upper frame 2 It is detachably locked by a locking button 7 provided on the
【００２５】
すなわち、請求項１の発明によれば、内鍋と、この内鍋を収納する本体ケースと、この本体ケースの上部を開閉自在に覆う蓋体を備えた電気炊飯器において、前記蓋体は上蓋と下蓋と、この下蓋の下面に着脱自在に装着されて前記内鍋の上部開口を覆う磁性金属材からなる内蓋とを有し、前記下蓋に前記内蓋を誘導加熱する加熱コイル設けるとともに、該加熱コイルと内蓋の間に前記内蓋に高周波振動を発生させる非磁性金属材を配設し、炊飯時における炊き上げ、蒸らし、保温の各行程の全てまたはいずれかで加熱コイルに高周波電流を通電するものであるから、炊飯時の炊き上げ、蒸らし、保温の各行程の全てまたはいずれかで発生する水蒸気が内蓋表面で結露することなく、水滴の滴下が防止できる。[0025]
That is, according to the invention of claim 1, in the electric rice cooker provided with the inner pot, the main body case for housing the inner pot, and the cover which covers the upper part of the main body case openably and closably, the cover is the upper cover And a lower lid, and an inner lid made of a magnetic metal material detachably mounted on the lower surface of the lower lid and covering the upper opening of the inner pot, and a heating coil for inductively heating the inner lid to the lower lid A nonmagnetic metal material for generating high frequency vibration is disposed in the inner lid between the heating coil and the inner lid, and the heating coil is used in all or any of the steps of cooking and steaming at the time of rice cooking and steaming. to since it is intended to a high-frequency current, raising cook during cooking, steaming, without steam generated all or any of the stroke of the heat insulating condenses on the inner lid surface, dropping of water droplets kill in preventing .
【００２６】
また、請求項２の発明によれば、内鍋と、この内鍋を収納する本体ケースと、この本体ケースの上部を開閉自在に覆う蓋体を備えた電気炊飯器において、前記蓋体は上蓋と下蓋と、この下蓋の下面に着脱自在に装着されて前記内鍋の上部開口部を覆う磁性金属材からなる内蓋とを有し、前記下蓋に前記内蓋を誘導加熱する加熱コイルを設けるとともに、この加熱コイルを下蓋の中心側に位置する内コイルとその外周側に位置する外コイルとに分割し、炊飯時における炊き上げ、蒸らし、保温の各行程の全てまたはいずれかで内コイルと外コイルに高周波電流をそれぞれ異なる方向に通電したものであるから、炊飯時の炊き上げ、蒸らし、保温の各行程の全てまたはいずれかで発生する水蒸気が内蓋表面で結露することなく、水滴の滴下を防止できる。[0026]
Further, according to the invention of claim 2, in the electric rice cooker comprising an inner pot, a main body case for housing the inner pot, and a lid which covers the upper portion of the main body case so as to open and close freely. And a lower lid, and an inner lid made of a magnetic metal material detachably mounted on the lower surface of the lower lid and covering the upper opening of the inner pot, the heating for induction heating the inner lid to the lower lid While providing a coil, this heating coil is divided into an inner coil located on the center side of the lower lid and an outer coil located on the outer periphery side, and all or any of the steps of cooking, steaming and heat retention at the time of rice cooking Because the high frequency current is applied to the inner coil and the outer coil in different directions respectively, the water vapor generated in all or any of the cooking, steaming and heat retention steps during rice cooking condenses on the inner lid surface without preventing the dripping of water drops Kill.