JP2014074511A - High frequency heating cooker - Google Patents

High frequency heating cooker Download PDF

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JP2014074511A
JP2014074511A JP2012220891A JP2012220891A JP2014074511A JP 2014074511 A JP2014074511 A JP 2014074511A JP 2012220891 A JP2012220891 A JP 2012220891A JP 2012220891 A JP2012220891 A JP 2012220891A JP 2014074511 A JP2014074511 A JP 2014074511A
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heating
frequency
heating chamber
plate
chamber
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Hiroaki Tanimatsu
弘章 谷松
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Panasonic Corp
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Panasonic Corp
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Abstract

PROBLEM TO BE SOLVED: To provide a high frequency heating cooker with higher safety by determining presence/absence of a heating plate and controlling heating.SOLUTION: A high frequency heating cooker includes: a heating chamber illumination 3 which is arranged on a heating chamber 2 side surface to recognize a state in the heating chamber 2 and which lights at the time of heating start; and illumination detection means 5 for detecting the brightness of the heating chamber illumination 3 under a plate 4, which transmits light, for placing a heating plate 1 at a bottom of the heating chamber 2. When illuminance of the heating chamber illumination 3 cannot be detected by the illumination detection means 5 because the heating plate 1 is placed on the plate 4, and also, heating is started by a user selecting high frequency heating means 9, the high frequency heating cooker stops heating, and it displays at display means 6 that the heating plate 1 is used even when the high frequency heating means 9 is set. Thereby, even when the metal heating plate dedicated to heater heating is mistakenly used at the time of high frequency heating and cooking, heating is stopped immediately, and erroneous usage can be notified to the user, so that usability and safety can be improved.

Description

本発明は、照度検知手段によりヒーター加熱専用の加熱皿の有無を検出することで、安全性を高めた高周波加熱調理器に関するものである。   The present invention relates to a high-frequency heating cooker with improved safety by detecting the presence or absence of a heating dish dedicated to heater heating by illuminance detection means.

従来、被加熱物を加熱する加熱調理器として、マグネトロンを使用した高周波加熱と、ヒーターを使用したヒーター加熱という異なる加熱手段を備えている。この種の加熱調理器は、高周波加熱による加熱調理時には食品の温度を検出する非接触型の温度センサである赤外線センサを用いて温度検出し、またヒーター加熱の場合には加熱室の庫内の雰囲気温度を検出する庫内温度センサとしてサーミスタを用いて温度検出している。使用者が選択した調理モードにて、加熱手段を選択し、これらのセンサの検出信号に基づき加熱調理を制御している(例えば、特許文献1参照)。   Conventionally, as a cooking device for heating an object to be heated, different heating means, that is, high-frequency heating using a magnetron and heater heating using a heater are provided. This type of heating cooker detects the temperature using an infrared sensor, which is a non-contact type temperature sensor that detects the temperature of food during cooking by high frequency heating, and in the case of heater heating, Temperature detection is performed using a thermistor as an internal temperature sensor for detecting the ambient temperature. In the cooking mode selected by the user, the heating means is selected, and heating cooking is controlled based on the detection signals of these sensors (see, for example, Patent Document 1).

また、使用者が調理状況を確認し易いように、庫内にランプ等の庫内照明を備えており、加熱開始と同時に、点灯するようになっている。   Moreover, in order to make it easy for the user to check the cooking status, the interior is provided with interior lighting such as a lamp and is turned on simultaneously with the start of heating.

特開2008−175497号公報JP 2008-175497 A

しかしながら、従来の構成では、ヒーター加熱で調理する場合は、被加熱物を加熱皿であるオーブン皿に置いて加熱室に設置し、ヒーターからの熱で調理するのと同時に、オーブン皿自身がヒーターで熱せられることで調理を行う。そのためオーブン皿は金属でできており、庫内に設置されて、高周波加熱で調理が開始されてしまうと、金属であるため、火花が散ったり、高温になったりする可能性があった。そのため、オーブン皿は高周波加熱で使用することができない。   However, in the conventional configuration, when cooking by heating with a heater, the object to be heated is placed in an oven pan, which is a heating pan, placed in a heating chamber, and cooked with the heat from the heater. Cook by being heated in. Therefore, the oven pan is made of metal, and when it is installed in the cabinet and cooking is started by high-frequency heating, it may be sparked or become hot because it is metal. Therefore, the oven dish cannot be used with high frequency heating.

本発明は、前記従来の課題を解決するもので、加熱開始時に点灯し調理状況がわかるように庫内照明が設けられており、高周波加熱時において庫内照明の明かりを用いて、オーブン皿が置かれた場合と置かれていない場合の照度センサの出力に応じて、オーブン皿が設置されているかどうかを判別することにより、設置された場合には、加熱を停止することで、より安全性の高い高周波加熱調理器を提供することを目的とする。   The present invention solves the above-described conventional problems, and is provided with an interior lighting so that the cooking state can be understood by turning on when heating is started. Depending on the output of the illuminance sensor when it is placed and when it is not placed, it is determined whether or not the oven tray is installed. An object of the present invention is to provide a high-frequency high-frequency cooking device.

前記従来の課題を解決するために、本発明の高周波加熱調理器は、被加熱物を置くための着脱可能な金属からできた加熱皿と、前記加熱皿を設置する加熱室と、前記加熱室の状態が分かるように前記加熱室側面に配置された加熱開始時に点灯する加熱室照明と、前記加熱室の底面に前記加熱皿を置くための光を透過するプレートと、前記加熱皿に置かれた被加熱物を加熱するために前記加熱室の上方と前記プレート下に設けられたヒーターにより前記加熱皿を使用して調理するヒーター加熱手段と、前記加熱皿を使用せず高周波加熱により調理する高周波加熱手段と、使用者が決めた設定条件に対応した加熱手段で加熱を制御する制御手段と、設定条件や調理状況を表示する表示手段とを備え、前記プレート下に前記加熱室照明の明るさを検知するための照度検知手段を設け、前記プレート上に前記加熱皿が置かれたことにより、前記照度検知手段により前記加熱室照明の照度が検知できず、かつ使用者が前記高周波加熱手段を選択し加熱を開始した場合は、加熱を停止し、前
記高周波加熱手段が設定されていながら前記加熱皿が使用されたことを前記表示手段に表示することによって、高周波加熱調理時に誤ってヒーター加熱専用の金属製の加熱皿を使用しても、加熱を直ぐに停止し、かつ誤使用であることを使用者に知らせることができ、使い勝手と安全性を向上させることができる。
In order to solve the conventional problems, a high-frequency heating cooker according to the present invention includes a heating dish made of a detachable metal for placing an object to be heated, a heating chamber in which the heating dish is installed, and the heating chamber. The heating chamber illumination that is placed on the side of the heating chamber and lights up at the start of heating, a plate that transmits light for placing the heating pan on the bottom surface of the heating chamber, and the heating pan In order to heat the heated object, the heater heating means for cooking using the heating dish by the heater provided above and below the heating chamber, and cooking by high frequency heating without using the heating dish A high-frequency heating means, a control means for controlling the heating with the heating means corresponding to the setting conditions determined by the user, and a display means for displaying the setting conditions and cooking status, and the brightness of the heating chamber illumination under the plate Inspect Illuminance detecting means is provided, and the heating pan is placed on the plate, so that the illuminance of the heating chamber illumination cannot be detected by the illuminance detecting means, and the user selects the high-frequency heating means. When the heating is started, the heating is stopped, and the display means that the heating dish is used while the high-frequency heating means is set is displayed on the display means. Even when a heating pan made of steel is used, heating can be stopped immediately and the user can be notified of misuse, improving usability and safety.

本発明の高周波加熱調理器は、ヒーター加熱専用の金属でできたオーブン皿を高周波加熱であるレンジ加熱に誤って使用してしまった場合でも、調理を停止することが可能となるため、より安全性を向上することができる。   The high-frequency heating cooker of the present invention is safer because cooking can be stopped even if an oven dish made of metal dedicated to heater heating is mistakenly used for range heating, which is high-frequency heating. Can be improved.

本発明の実施の形態1における高周波加熱調理器の全体構成図Overall configuration diagram of a high-frequency heating cooker in Embodiment 1 of the present invention 本発明の実施の形態1における高周波加熱調理器の動作フローチャートOperation flow chart of high-frequency heating cooker in Embodiment 1 of the present invention

第1の発明は、被加熱物を置くための着脱可能な金属からできた加熱皿と、前記加熱皿を設置する加熱室と、前記加熱室の状態が分かるように前記加熱室側面に配置された加熱開始時に点灯する加熱室照明と、前記加熱室の底面に前記加熱皿を置くための光を透過するプレートと、前記加熱皿に置かれた被加熱物を加熱するために前記加熱室の上方と前記プレート下に設けられたヒーターにより前記加熱皿を使用して調理するヒーター加熱手段と、前記加熱皿を使用せず高周波加熱により調理する高周波加熱手段と、使用者が決めた設定条件に対応した加熱手段で加熱を制御する制御手段と、設定条件や調理状況を表示する表示手段とを備え、前記プレート下に前記加熱室照明の明るさを検知するための照度検知手段を設け、前記プレート上に前記加熱皿が置かれたことにより、前記照度検知手段により前記加熱室照明の照度が検知できず、かつ使用者が前記高周波加熱手段を選択し加熱を開始した場合は、加熱を停止し、前記高周波加熱手段が設定されていながら前記加熱皿が使用されたことを前記表示手段に表示することによって、高周波加熱調理時に誤ってヒーター加熱専用の金属製の加熱皿を使用して加熱を開始しても、直ぐに停止することができるため、安全性が向上する。   1st invention is arrange | positioned at the side of the said heating chamber so that the state of the heating tray which installs the to-be-heated material from the removable metal, the heating chamber which installs the said heating pan, and the said heating chamber can be understood. A heating chamber illumination that is turned on at the start of heating, a plate that transmits light for placing the heating pan on the bottom surface of the heating chamber, and a heating chamber for heating an object to be heated placed on the heating pan. Heater heating means for cooking using the heating dish with heaters provided above and below the plate, high-frequency heating means for cooking by high-frequency heating without using the heating dish, and setting conditions determined by the user A control means for controlling heating with a corresponding heating means, and a display means for displaying setting conditions and cooking status, provided with an illuminance detection means for detecting the brightness of the heating chamber illumination under the plate, On the plate When the heating dish is placed, the illuminance of the heating chamber illumination cannot be detected by the illuminance detection means, and when the user selects the high-frequency heating means and starts heating, the heating is stopped, By displaying on the display means that the heating dish has been used while the high-frequency heating means is set, heating is started by mistake using a metal heating dish dedicated to heater heating during high-frequency heating cooking. However, safety can be improved because it can be stopped immediately.

第2の発明は、特に、第1の発明の高周波加熱調理器において、前記照度検知手段は、複数個の検知部の出力のうち、一つ以上照度を検知した場合は、加熱を継続するようにしたことにより、複数個の検知部を備え前記プレート下に対角上に配置することによって、少なくとも一つの検知部が被加熱物の陰に隠れてしまい、照度検知手段が明るさを検知できない場合でも、加熱を停止することがないため、安全性が高く、使い勝手もよくすることができる。   According to a second aspect of the present invention, in particular, in the high-frequency heating cooker according to the first aspect of the invention, the illuminance detection means continues heating when detecting one or more illuminances among outputs of the plurality of detection units. As a result, by providing a plurality of detection units diagonally below the plate, at least one detection unit is hidden behind the object to be heated, and the illuminance detection means cannot detect the brightness. Even in this case, since heating is not stopped, safety is high and usability can be improved.

第3の発明は、特に、第1または第2の発明の高周波加熱調理器において、報知手段を備え、前記照度検知手段により加熱が停止したことを表示すると同時に、前記報知手段により報知するようにすることで、表示手段による視覚的な情報伝達だけでなく、聴覚的に情報伝達が可能となり、誤って使用したことが使用者に伝わりやすくなり、より安全性を向上することができる。   In a third aspect of the invention, in particular, in the high-frequency heating cooker of the first or second aspect of the invention, the notification means is provided so that the illuminance detection means displays that the heating is stopped, and at the same time, the notification means notifies the user. By doing so, not only visual information transmission by the display means but also auditory information transmission becomes possible, and it is easy to convey to the user that it has been used by mistake, and safety can be further improved.

以下、本発明の実施の形態について、図面を参照しながら説明する。なお、この実施の形態によって本発明が限定されるものではない。   Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(実施の形態1)
図1は、本発明の実施の形態における高周波加熱調理器の構成を示すものである。
(Embodiment 1)
FIG. 1 shows a configuration of a high-frequency heating cooker according to an embodiment of the present invention.

図1に示すように、本実施の形態における高周波加熱調理器は、被加熱物を置くための
着脱可能な金属からできた加熱皿1と、加熱皿1を設置する加熱室2と、加熱室2の状態が外部から分かるように加熱室2側面に設けられ加熱開始時に点灯するランプまたはLED等から構成される加熱室照明3と、加熱室2の底面に加熱皿1を置くための光を透過するガラス等からできたプレート4と、加熱室照明3の明かりを検知するためにプレート4下に配置され照度センサと検知回路等から構成される照度検知手段5と、LEDや液晶表示素子を用いた表示手段6と、スピーカーやブザーを用いた報知手段7を備えている。
As shown in FIG. 1, the high-frequency heating cooker in the present embodiment includes a heating dish 1 made of a detachable metal for placing an object to be heated, a heating chamber 2 in which the heating dish 1 is installed, and a heating chamber. 2 is provided on the side surface of the heating chamber 2 so that the state of 2 can be seen from the outside. The heating chamber illumination 3 is composed of a lamp or LED that is turned on at the start of heating, and light for placing the heating pan 1 on the bottom surface of the heating chamber 2. An illuminance detection means 5 comprising an illuminance sensor and a detection circuit disposed under the plate 4 to detect the light of the heating chamber illumination 3, an LED and a liquid crystal display element; The display means 6 used and the notification means 7 using a speaker or a buzzer are provided.

照度検知手段の照度センサは、プレート4下で対角線上に2つ配置している。   Two illuminance sensors of the illuminance detection means are arranged diagonally below the plate 4.

被加熱物を加熱する手段として、加熱室2の上方とプレート4下に設けられたヒーターにより加熱皿1を加熱するヒーター加熱手段8と、加熱皿1を使用せずマグネトロンとそれを駆動するためのインバータ回路等から構成される高周波加熱により調理する高周波加熱手段9の異なる加熱手段を併せ持つ構成であり、マイクロコンピュータ(マイコン)等が実装された制御基板等からなる制御手段10により、各加熱手段を制御し、調理を行うようにしている。   As a means for heating the object to be heated, a heater heating means 8 for heating the heating dish 1 by a heater provided above the heating chamber 2 and under the plate 4, and a magnetron for driving it without using the heating dish 1. The high-frequency heating means 9 for cooking by high-frequency heating composed of an inverter circuit or the like has a different heating means, and each heating means is controlled by a control means 10 comprising a control board on which a microcomputer is mounted. To control and cook.

また、調理状況や設定などの各種情報を表示手段6や報知手段7を用いて、使用者に知らせるようにしている。   Further, various information such as cooking conditions and settings are notified to the user using the display means 6 and the notification means 7.

以上のように構成された高周波加熱調理器について、以下にその動作、作用を説明する。なお、この実施の形態によって、本発明が限定されるものではない。   About the high frequency heating cooker comprised as mentioned above, the operation | movement and an effect | action are demonstrated below. Note that the present invention is not limited to the embodiments.

図2に本発明の第1の実施の形態における高周波加熱調理器の動作フローチャートを示す。   FIG. 2 shows an operation flowchart of the high-frequency cooking device according to the first embodiment of the present invention.

図2において、まず使用者が加熱室2に加熱皿が設置されている状態で、使用者が高周波加熱手段9を選択し加熱が開始される。同時に加熱室照明3も点灯する。すると図2のフローチャートに従い、高周波加熱手段9が選択され、かつ加熱皿1が設置されることにより、照度検知手段5上方に加熱皿1が設置されるため、加熱室照明3の光が遮られ、照度検知手段5の出力がゼロとなる。   In FIG. 2, first, the user selects the high-frequency heating means 9 in a state where the heating dish is installed in the heating chamber 2, and heating is started. At the same time, the heating chamber illumination 3 is also turned on. Then, according to the flowchart of FIG. 2, since the high frequency heating means 9 is selected and the heating dish 1 is installed, the heating dish 1 is installed above the illuminance detection means 5, so that the light of the heating chamber illumination 3 is blocked. The output of the illuminance detection means 5 becomes zero.

照度検知手段5を複数設けることで、加熱皿1以外の調理容器等が使用され、照度検知手段5の一つが隠れてしまい、出力がゼロになってしまった場合でも、すべての照度検知手段5がゼロでなければ加熱を停止しないため、誤検知することを防ぐことができる。そして高周波加熱手段9が選択され、かつ加熱皿1が使用されたと判断し、制御手段10により加熱を停止し、誤使用により加熱を停止したことを表示手段6と報知手段7を使用して、使用者に伝えることで安全性を向上することができる。   By providing a plurality of illuminance detecting means 5, all the illuminance detecting means 5 are used even when a cooking container or the like other than the heating dish 1 is used and one of the illuminance detecting means 5 is hidden and the output becomes zero. If it is not zero, heating is not stopped, so that erroneous detection can be prevented. Then, it is determined that the high frequency heating means 9 is selected and the heating pan 1 is used, the heating is stopped by the control means 10, and the heating means is stopped due to misuse, using the display means 6 and the notification means 7, Safety can be improved by telling the user.

また、照度検知手段5は、照度センサ以外にもフォトダイオードやフォトトランジスタ等を使用して構成しても同様の効果をえることができる。   Further, the illuminance detection means 5 can obtain the same effect even when configured using a photodiode, a phototransistor, or the like in addition to the illuminance sensor.

以上のように、本発明にかかわる高周波加熱調理器は、使用できない加熱皿が高周波加熱時に使用された場合でも加熱を停止することができる。誤使用を防ぐことができ安全性を高めることができるため、家庭用に限らず業務用の高周波加熱理器にも利用することができる。   As described above, the high-frequency cooking device according to the present invention can stop heating even when an unusable heating pan is used during high-frequency heating. Since misuse can be prevented and safety can be improved, it can be used not only for home use but also for high-frequency heating devices for business use.

1 加熱皿
2 加熱室
3 加熱室照明
4 プレート
5 照度検知手段
6 表示手段
7 報知手段
8 ヒーター加熱手段
9 高周波加熱手段
10 制御手段
DESCRIPTION OF SYMBOLS 1 Heating pan 2 Heating chamber 3 Heating chamber illumination 4 Plate 5 Illuminance detection means 6 Display means 7 Notification means 8 Heater heating means 9 High frequency heating means 10 Control means

Claims (3)

被加熱物を置くための着脱可能な金属からできた加熱皿と、前記加熱皿を設置する加熱室と、前記加熱室の状態が分かるように前記加熱室側面に配置された加熱開始時に点灯する加熱室照明と、前記加熱室の底面に前記加熱皿を置くための光を透過するプレートと、前記加熱皿に置かれた被加熱物を加熱するために前記加熱室の上方と前記プレート下に設けられたヒーターにより前記加熱皿を使用して調理するヒーター加熱手段と、前記加熱皿を使用せず高周波加熱により調理する高周波加熱手段と、使用者が決めた設定条件に対応した加熱手段で加熱を制御する制御手段と、設定条件や調理状況を表示する表示手段とを備え、前記プレート下に前記加熱室照明の明るさを検知するための照度検知手段を設け、前記プレート上に前記加熱皿が置かれたことにより、前記照度検知手段により前記加熱室照明の照度が検知できず、かつ使用者が前記高周波加熱手段を選択し加熱を開始した場合は、加熱を停止し、前記高周波加熱手段が設定されていながら前記加熱皿が使用されたことを前記表示手段に表示するようにした高周波加熱調理器。 Turns on at the start of heating arranged on the side of the heating chamber so that the state of the heating chamber can be seen, and a heating chamber made of a removable metal for placing an object to be heated, a heating chamber in which the heating pan is installed Illuminating the heating chamber, a plate that transmits light for placing the heating pan on the bottom surface of the heating chamber, and above and below the heating chamber to heat the object to be heated placed on the heating pan Heating by means of heater heating means for cooking using the heating dish by means of a heater, high-frequency heating means for cooking by high-frequency heating without using the heating dish, and heating means corresponding to the setting conditions determined by the user And a display means for displaying setting conditions and cooking status, and an illuminance detection means for detecting the brightness of the heating chamber illumination is provided under the plate, and the heating dish is provided on the plate. But Therefore, when the illuminance of the heating chamber illumination cannot be detected by the illuminance detection means, and the user selects the high-frequency heating means and starts heating, the heating is stopped and the high-frequency heating means is set. A high-frequency cooking device that displays on the display means that the heating dish has been used. 前記照度検知手段は、複数個の検知部の出力のうち、一つ以上照度を検知した場合は、加熱を継続するようにした請求項1に記載の高周波加熱調理器。 The high-frequency cooking device according to claim 1, wherein the illuminance detection means continues heating when one or more illuminances are detected among outputs of the plurality of detection units. 報知手段を備え、前記照度検知手段により加熱が停止したことを表示すると同時に、前記報知手段により報知するようにした請求項1または2に記載の高周波加熱調理器。 The high-frequency heating cooker according to claim 1 or 2, further comprising a notification unit, wherein the illuminance detection unit displays that the heating has been stopped, and at the same time, the notification unit notifies.
JP2012220891A 2012-10-03 2012-10-03 High frequency heating cooker Pending JP2014074511A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160069359A (en) * 2014-12-08 2016-06-16 엘지전자 주식회사 Microwave oven and method for controlling the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160069359A (en) * 2014-12-08 2016-06-16 엘지전자 주식회사 Microwave oven and method for controlling the same
KR101645102B1 (en) * 2014-12-08 2016-08-02 엘지전자 주식회사 Microwave oven and method for controlling the same

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