JP2005302393A - Induction heating cooking device - Google Patents

Induction heating cooking device Download PDF

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JP2005302393A
JP2005302393A JP2004113797A JP2004113797A JP2005302393A JP 2005302393 A JP2005302393 A JP 2005302393A JP 2004113797 A JP2004113797 A JP 2004113797A JP 2004113797 A JP2004113797 A JP 2004113797A JP 2005302393 A JP2005302393 A JP 2005302393A
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heating coil
cylinder
cooling air
induction heating
opening
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JP2004113797A
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JP4016965B2 (en
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Ryuji Nagata
隆二 永田
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Panasonic Holdings Corp
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Matsushita Electric Industrial Co Ltd
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/06—Control, e.g. of temperature, of power
    • H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
    • H05B2213/07—Heating plates with temperature control means

Abstract

<P>PROBLEM TO BE SOLVED: To provide an induction heating cooking device with influence of magnetic field alleviated, accuracy of temperature measurement improved, and cooling performance of a top face of a heating coil heightened. <P>SOLUTION: The device is provided with multiple cylinders 25 consisting of a non-magnetic conductor extended from a side part around an infrared sensor 24 to the top face of the heating coil 12. The multiple cylinders 25 are provided with an opening 26 for taking in cooling air into an outside cylinder at an upstream side of the cooling air, with the opening 26 and spaces between the multiple cylinders communicated. With this, magnetic influence of the infrared sensor 24 is alleviated to improve accuracy of temperature measurement by the multiple cylinders 25, and a cooling air is made to flow from the spaces between the opening 26 and the multiple cylinders 25 onto the top face of the heating coil 12 to improve cooling performance of the top face of the heating coil. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、一般家庭などにおいて使用する誘導加熱調理器に関するものである。   The present invention relates to an induction heating cooker used in general homes and the like.

従来、この種の誘導加熱調理器としては、加熱コイルの中心部で、温度センサ素子の周囲の側面部に非磁性の導体を備え、加熱コイルからの温度センサ素子への磁界の影響を遮蔽するものが知られている（例えば、特許文献１参照）。   Conventionally, in this type of induction heating cooker, a nonmagnetic conductor is provided on the side surface around the temperature sensor element at the center of the heating coil to shield the influence of the magnetic field from the heating coil to the temperature sensor element. Those are known (for example, see Patent Document 1).

これは、図８に示すように、温度センサ素子１の周囲の側面部に設置された非磁性の導体２により、加熱コイル３からの磁束に対して磁気シールドの効果をもたせ、温度計測の精度を向上させ、鍋などの被加熱物４を加熱し調理している。
特開２００２−１００４６６号公報 As shown in FIG. 8, the nonmagnetic conductor 2 installed on the side surface around the temperature sensor element 1 gives a magnetic shield effect to the magnetic flux from the heating coil 3, and the temperature measurement accuracy is improved. The heated object 4 such as a pan is heated and cooked.
Japanese Patent Laid-Open No. 2002-100466

しかしながら、前記従来の構成では、非磁性の導体２により構成された壁のために、加熱コイル３上面へ冷却風が流れにくくなり、加熱コイル３の冷却を悪化させるという課題を有していた。   However, the conventional configuration has a problem that the cooling air is less likely to flow to the upper surface of the heating coil 3 due to the wall formed by the nonmagnetic conductor 2 and the cooling of the heating coil 3 is deteriorated.

本発明は、前記従来の課題を解決するもので、磁界の影響を低減して温度計測の精度を向上させるとともに、加熱コイル上面の冷却性能を高めた誘導加熱調理器を提供することを目的とする。   The present invention solves the above-mentioned conventional problems, and aims to provide an induction heating cooker that improves the accuracy of temperature measurement by reducing the influence of a magnetic field and that has improved the cooling performance of the upper surface of the heating coil. To do.

前記従来の課題を解決するために、本発明の誘導加熱調理器は、赤外線センサの周囲の側方部から加熱コイル上面にまで延びた非磁性の導体からなる多重筒を備え、多重筒は、冷却風の風上側の外側筒に冷却風を取り入れる開口部を設け、この開口部と多重筒間の空間を連通させたものである。   In order to solve the above-mentioned conventional problems, the induction heating cooker of the present invention includes a multiple cylinder made of a nonmagnetic conductor extending from a side portion around the infrared sensor to the upper surface of the heating coil, An opening for taking cooling air is provided in the outer cylinder on the windward side of the cooling air, and the space between this opening and the multiple cylinders is communicated.

これによって、非磁性の導体からなる多重筒により、赤外線センサの磁界影響を低減して温度計測の精度を向上させるとともに、開口部と多重筒間の空間から加熱コイル上面に冷却風を流し、加熱コイル上面の冷却性能を高めることができる。   As a result, the multi-cylinder made of a non-magnetic conductor reduces the magnetic field effect of the infrared sensor to improve the accuracy of temperature measurement, and also allows cooling air to flow from the space between the opening and the multi-cylinder to the top surface of the heating coil to heat The cooling performance of the coil upper surface can be enhanced.

本発明の誘導加熱調理器は、磁界の影響を低減し温度計測の精度を向上させるとともに、加熱コイル上面の冷却性能を高めたものである。   The induction cooking device of the present invention reduces the influence of the magnetic field, improves the accuracy of temperature measurement, and improves the cooling performance of the upper surface of the heating coil.

第１の発明は、被加熱物を載置するトッププレートと、トッププレートの下面に近接して配された加熱コイルと、加熱コイルの中央部に実装された赤外線センサと、赤外線センサの周囲の側方部から加熱コイル上面にまで延びた非磁性の導体からなる多重筒と、加熱コイルを含む発熱部材を冷却するファンとを備え、前記多重筒は、ファンから送風される冷却風の風上側の外側筒に冷却風を取り入れる開口部を設け、この開口部と多重筒間の空間を連通させた誘導加熱調理器とすることにより、非磁性の導体からなる多重筒で赤外線センサの磁界影響を低減して温度計測の精度を向上させるとともに、開口部と多重筒間の空間から加熱コイル上面に冷却風を流し、加熱コイル上面の冷却性能を高めることができる。   According to a first aspect of the present invention, there is provided a top plate on which an object to be heated is placed, a heating coil disposed close to the lower surface of the top plate, an infrared sensor mounted at the center of the heating coil, and a surrounding area of the infrared sensor. A multi-cylinder made of a non-magnetic conductor extending from the side part to the upper surface of the heating coil, and a fan for cooling the heat generating member including the heating coil, wherein the multi-cylinder is an upwind side of the cooling air blown from the fan By providing an induction heating cooker with an opening for taking cooling air into the outer cylinder of the tube and communicating the space between the opening and the multiple cylinder, the influence of the magnetic field of the infrared sensor on the multiple cylinder made of nonmagnetic conductors can be reduced. The temperature measurement accuracy can be improved by reducing the temperature, and cooling air can be flowed from the space between the opening and the multiple cylinders to the upper surface of the heating coil to improve the cooling performance of the upper surface of the heating coil.

第２の発明は、特に、第１の発明において、多重筒を構成する内側筒を外側筒よりも高い形状とし、前記内側筒の上端には外方向に向かうフランジ部を形成したことにより、加熱コイル上面へ流れ込む冷却風を整流し、より効果的に加熱コイル上面の冷却が行える。   According to a second aspect of the invention, in particular, in the first aspect of the invention, the inner cylinder constituting the multiple cylinder is shaped higher than the outer cylinder, and the upper end of the inner cylinder is formed with an outwardly extending flange portion. The cooling air flowing into the coil upper surface is rectified, and the heating coil upper surface can be cooled more effectively.

第３の発明は、特に、第１の発明において、多重筒を構成する外側筒の風上側を風下側に比して高く構成するとともに、外側筒の風上側を加熱コイル上面より突出させたことにより、加熱コイルの温度上昇が大きい風下側の加熱コイル上面部へ効率よく冷却風を送風することができ、より効果的に加熱コイル上面の冷却を行うことができる。   In the third invention, in particular, in the first invention, the windward side of the outer cylinder constituting the multiple cylinder is configured to be higher than the leeward side, and the windward side of the outer cylinder is protruded from the upper surface of the heating coil. Thus, the cooling air can be efficiently blown to the upper surface portion of the heating coil on the leeward side where the temperature rise of the heating coil is large, and the upper surface of the heating coil can be cooled more effectively.

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、本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 present embodiment.

（実施の形態１）
図１〜図３は、本発明の実施の形態１における誘導加熱調理器を示している。この誘導加熱調理器はシステムキッチンのキャビネットに組み込んで使用する構成を例示しているものである。 (Embodiment 1)
1 to 3 show an induction heating cooker according to Embodiment 1 of the present invention. This induction heating cooker exemplifies a configuration that is used by being incorporated in a cabinet of a system kitchen.

図において、被加熱物である鍋１０などを載置するトッププレート１１があり、そのトッププレート１１の下面に近接して、左右手前に加熱コイル１２と、中央奥に１口のラジェントヒータ１３が配されている。また、前面右側には操作部１４、左側にロースタ１５が置かれ、ロースタ１５の上方はロースタ仕切り１６で他と仕切っており、これらが本体外郭１７の中に納められている。   In the figure, there is a top plate 11 on which a pan 10 or the like to be heated is placed, close to the lower surface of the top plate 11, a heating coil 12 in front of the left and right, and a single radial heater 13 in the center back. Is arranged. In addition, an operation unit 14 is placed on the right side of the front surface, and a roaster 15 is placed on the left side. The upper portion of the roaster 15 is separated from others by a roaster partition 16, and these are housed in a main body outline 17.

また、本体外郭１７内のロースタ１５の右側には、加熱コイル１２を駆動制御する制御部１８が樹脂製の基板ベース１９に固定されて配置されている。制御部１８の奥の吸気開口部２０下方には、前方に送風口を具備し１つのファン２１を有する冷却ファンユニット２２を設けている。この冷却ファンユニット２２のファン２１は、加熱コイル１２、制御部１８などの発熱部材を冷却風により冷却するものである。   A control unit 18 that drives and controls the heating coil 12 is fixed to a resin substrate base 19 on the right side of the roaster 15 in the main body outline 17. Below the intake opening 20 behind the control unit 18, there is provided a cooling fan unit 22 having a blower opening in the front and having one fan 21. The fan 21 of the cooling fan unit 22 cools heating members such as the heating coil 12 and the control unit 18 with cooling air.

また、加熱コイル１２の中央部には赤外線センサ２４が実装されており、この赤外線センサ２２は加熱コイル１２の下方に設けられた基板２３上に装備されている。基板２３には、赤外線センサ２２の周囲の側方部から加熱コイル１２上面にまで延びた非磁性の導体からなる多重筒２５を設け、この多重筒２５には、ファン２１から送風される冷却風の風上側の外側筒に冷却風を取り入れる開口部２６を設けている。そして、多重筒２５の開口部２６と多重筒間の空間は連通しており、冷却風を多重筒間の空間を通して加熱コイル１２上面に送風している。なお、本実施の形態においては、多重筒２５として２重筒を示したが、必要に応じて２以上の多重筒としてもよい。また、多重筒２５の形状については、円筒を示しているが、円筒以外の形状であってもかまわない。   An infrared sensor 24 is mounted at the center of the heating coil 12, and the infrared sensor 22 is mounted on a substrate 23 provided below the heating coil 12. The substrate 23 is provided with a multiple cylinder 25 made of a non-magnetic conductor extending from the side portion around the infrared sensor 22 to the upper surface of the heating coil 12. The multiple cylinder 25 is provided with cooling air blown from the fan 21. An opening 26 for taking in cooling air is provided in the outer cylinder on the windward side. The opening 26 of the multiple cylinder 25 and the space between the multiple cylinders communicate with each other, and cooling air is blown to the upper surface of the heating coil 12 through the space between the multiple cylinders. In the present embodiment, a double cylinder is shown as the multiple cylinder 25, but two or more multiple cylinders may be used as necessary. Moreover, although the cylinder is shown about the shape of the multiple cylinder 25, shapes other than a cylinder may be sufficient.

以上のように構成された誘導加熱調理器について、以下その動作、作用を説明する。   About the induction heating cooking appliance comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

まず、誘導加熱調理器は、加熱コイル１２に高周波電流を流すことで、加熱コイル１２から交番磁界を発生し、被加熱物である鍋１０に渦電流を発生させて加熱を行う。このため、加熱コイル１２はコイル抵抗と流れる電流により自己発熱が発生するとともに、鍋１０からの熱を、トッププレート１１を介して受けて高温になる。しかし、加熱コイル１２の電気絶縁物の温度を超えると絶縁破壊を起こしてしまうため、加熱コイル１２の温度を下げるために冷却が必要となる。また、赤外線センサ２４は自身の部品保証温度が低く（約１００℃）、部品の使用部品温度を超えないように冷却する必要がある。   First, the induction heating cooker generates an alternating magnetic field from the heating coil 12 by flowing a high-frequency current through the heating coil 12, and generates an eddy current in the pan 10 that is the object to be heated. For this reason, the heating coil 12 generates self-heating due to the coil resistance and the flowing current, and receives heat from the pan 10 through the top plate 11 and becomes high temperature. However, if the temperature of the electrical insulator of the heating coil 12 is exceeded, dielectric breakdown will occur, and cooling is required to lower the temperature of the heating coil 12. In addition, the infrared sensor 24 has a low component guaranteed temperature (about 100 ° C.), and needs to be cooled so as not to exceed the component used temperature.

ここで、冷却風の経路を説明する。トッププレート１１の後方に設けられた吸気開口部２０から外気が入り、冷却ファンユニット２２の通気経路を通り、ファン２１に吸い込まれ、送風口から制御部１８および加熱コイル１２へ吹き出される。矢印にように、加熱コイル１２へ向かった冷却風は、多重筒２５の開口部２６から多重筒間の空間に流れ込み、加熱コイル１２上面へ送風される。   Here, the path of the cooling air will be described. Outside air enters from the intake opening 20 provided behind the top plate 11, passes through the ventilation path of the cooling fan unit 22, is sucked into the fan 21, and blown out from the blower opening to the control unit 18 and the heating coil 12. As indicated by the arrow, the cooling air directed toward the heating coil 12 flows into the space between the multiple cylinders from the opening 26 of the multiple cylinder 25 and is blown to the upper surface of the heating coil 12.

以上のように、本実施の形態においては、多重筒間に冷却風を流し、加熱コイル１２上面の冷却を行うことができる。また、従来は温度センサ素子を用いていたが、冷却風の影響を受け易く、温度センサ素子近傍の加熱コイル上面の冷却を困難にしていたが、赤外線センサ２４は赤外線の量で、温度上昇を検知するため、冷却風の影響を受けにくく、本実施の形態のように冷却風を通す構成の実現を容易にしている。また、赤外線センサ２４は自身の部品保証温度が低く、温度保証を行うためにも、本実施の形態における冷却風の効果を用いることが可能である。   As described above, in the present embodiment, it is possible to cool the upper surface of the heating coil 12 by flowing cooling air between the multiple cylinders. Conventionally, the temperature sensor element has been used, but it is easily affected by cooling air, and it has been difficult to cool the upper surface of the heating coil near the temperature sensor element. However, the infrared sensor 24 increases the temperature by the amount of infrared rays. In order to detect, it is hard to receive the influence of a cooling wind, and it is easy to implement | achieve the structure which lets a cooling wind pass like this Embodiment. In addition, the infrared sensor 24 has a low component guarantee temperature, and the effect of the cooling air in the present embodiment can be used to guarantee the temperature.

さらに、非磁性の導体からなる多重筒２５を赤外線センサ２４の周囲側方部に設けることで、加熱コイル１２から発生する磁力線に対してシールドの効果をもたせることができ、シールドとなる筒が多重であることで、より磁界の影響を低減することができ、より温度計測の精度を向上させることができる。   Furthermore, by providing the multiple cylinders 25 made of nonmagnetic conductors on the peripheral side portions of the infrared sensor 24, it is possible to provide a shielding effect against the magnetic field lines generated from the heating coil 12, and multiple cylinders serving as shields can be multiplexed. As a result, the influence of the magnetic field can be further reduced, and the accuracy of temperature measurement can be further improved.

（実施の形態２）
図４、図５は、本発明の実施の形態２における誘導加熱調理器の加熱コイルユニット部を示している。実施の形態１と同一要素については同一符号を付して説明を省略する。 (Embodiment 2)
4 and 5 show the heating coil unit portion of the induction heating cooker according to the second embodiment of the present invention. The same elements as those of the first embodiment are denoted by the same reference numerals and the description thereof is omitted.

本実施の形態において、実施の形態１と異なる点は、多重筒２５を構成する内側筒を外側筒よりも高い形状とし、前記内側筒の上端全周には外方向に向かうフランジ部２７を形成したことである。これにより、加熱コイル１２上面へ流れ込む冷却風を整流し、より効果的に加熱コイル１２上面の冷却を行っている。   In the present embodiment, the difference from the first embodiment is that the inner cylinder constituting the multiple cylinder 25 is shaped higher than the outer cylinder, and a flange portion 27 is formed on the entire upper end of the inner cylinder. It is that. Thus, the cooling air flowing into the upper surface of the heating coil 12 is rectified, and the upper surface of the heating coil 12 is cooled more effectively.

以上のように構成された誘導加熱調理器の動作、作用について、実施の形態１の内容と異なる部分についてのみ説明する。   About the operation | movement and effect | action of the induction heating cooking appliance comprised as mentioned above, only a different part from the content of Embodiment 1 is demonstrated.

矢印にように、加熱コイル１２へ向かった冷却風は、多重筒２５の開口部２６から多重筒間の空間に流れ込み、フランジ部２７により風が加熱コイル１２上面に３６０度全方位に送風されるものである。   As indicated by the arrow, the cooling air directed toward the heating coil 12 flows into the space between the multiple tubes from the opening 26 of the multiple tube 25, and the wind is blown to the upper surface of the heating coil 12 in 360 degrees in all directions by the flange portion 27. Is.

以上のように、本実施の形態においては、多重筒間に冷却風を流し、多重筒２５の内側筒のフランジ部２７により、加熱コイル１２上面に３６０度全方位に冷却風が通風することで、乱流を抑え、整流された冷却風により加熱コイル１２上面への冷却をより効果的に行っている。   As described above, in the present embodiment, cooling air is allowed to flow between the multiple cylinders, and the cooling air is passed through the upper surface of the heating coil 12 in 360 ° in all directions by the flange portion 27 of the inner cylinder of the multiple cylinder 25. The turbulent flow is suppressed, and the cooling to the upper surface of the heating coil 12 is performed more effectively by the rectified cooling air.

（実施の形態３）
図６、図７は、本発明の実施の形態３における誘導加熱調理器の加熱コイルユニット部を示している。実施の形態１と同一要素については同一符号を付して説明を省略する。 (Embodiment 3)
6 and 7 show a heating coil unit portion of the induction heating cooker according to Embodiment 3 of the present invention. The same elements as those of the first embodiment are denoted by the same reference numerals and the description thereof is omitted.

本実施の形態において、実施の形態１と異なる点は、多重筒２５を構成する外側筒の風上側を風下側に比して高くした突出部２８を構成するとともに、外側筒の突出部２８を加熱コイル１２上面より突出させたことである。これにより、加熱コイル１２の温度上昇が大きい風下側の加熱コイル１２上面部へ効率よく冷却風を送風することができ、より効果的に加熱コイル上面の冷却を行っている。本実施の形態において、突出部２８は、多重筒２５を構成する外側筒のほぼ半筒分にわたり形成しているが、その大きさは加熱コイル上面の冷却を効果的に行うために適宜変更することができる。   In the present embodiment, the difference from the first embodiment is that a protrusion 28 is formed in which the windward side of the outer cylinder constituting the multiple cylinder 25 is made higher than the leeward side, and the protrusion 28 of the outer cylinder is That is, the heating coil 12 is protruded from the upper surface. Thereby, cooling air can be efficiently blown to the upper surface portion of the leeward heating coil 12 where the temperature rise of the heating coil 12 is large, and the upper surface of the heating coil is cooled more effectively. In the present embodiment, the protruding portion 28 is formed over almost half of the outer cylinder constituting the multiple cylinder 25, but the size thereof is appropriately changed in order to effectively cool the upper surface of the heating coil. be able to.

以上のように構成された誘導加熱調理器の動作、作用について、実施の形態１の内容と異なる部分についてのみ説明する。   About the operation | movement and effect | action of the induction heating cooking appliance comprised as mentioned above, only a different part from the content of Embodiment 1 is demonstrated.

矢印にように、加熱コイル１２へ向かった冷却風は、多重筒２５の開口部２６から多重筒間の空間に流れ込み、突出部２８の作用により、加熱コイル１２の温度上昇が大きい風下側へ効率よく送風される。また、多重筒間の空間からの風上側への送風は、突出部２８の作用により抑制し、ファン２１から直接加熱コイル１２へ向かう冷却風を打ち消すことを防いでいる。   As indicated by the arrow, the cooling air directed toward the heating coil 12 flows into the space between the multiple tubes from the opening 26 of the multiple tube 25, and due to the action of the projecting portion 28, the temperature rise of the heating coil 12 is large toward the leeward side. Well blown. Further, the air blow to the windward side from the space between the multiple cylinders is suppressed by the action of the projecting portion 28, thereby preventing the cooling air directed directly from the fan 21 toward the heating coil 12.

以上のように、本実施の形態においては、多重筒２５を構成する外側筒の風上側を風下側に比して高くしたことにより、加熱コイル１２の温度上昇が大きい風下側の加熱コイル１２上面部へ効率よく冷却風を送風することができ、より効果的に加熱コイル上面の冷却を行っている。   As described above, in the present embodiment, the upper surface of the heating coil 12 on the leeward side where the temperature rise of the heating coil 12 is large by increasing the windward side of the outer cylinder constituting the multiple cylinder 25 as compared with the leeward side. Cooling air can be efficiently blown to the part, and the upper surface of the heating coil is cooled more effectively.

以上のように、本発明にかかる誘導加熱調理器は、赤外線センサの磁界影響を低減して温度計測の精度を向上させるとともに、加熱コイル上面の冷却向上を可能としているので、ビルトイン型および卓上、据え置き型の誘導加熱調理器にも適用できる。   As described above, the induction heating cooker according to the present invention improves the accuracy of temperature measurement by reducing the magnetic field influence of the infrared sensor and enables the cooling of the upper surface of the heating coil to be improved. It can also be applied to a stationary induction heating cooker.

本発明の実施の形態１における誘導加熱調理器を示す分解斜視図The exploded perspective view which shows the induction heating cooking appliance in Embodiment 1 of this invention 同誘導加熱調理器の要部断面図Cross section of the main part of the induction heating cooker 同誘導加熱調理器における加熱コイルユニット部の概略構成を示す斜視図The perspective view which shows schematic structure of the heating coil unit part in the induction heating cooking appliance. 本発明の実施の形態２における誘導加熱調理器の要部断面図Sectional drawing of the principal part of the induction heating cooking appliance in Embodiment 2 of this invention 同誘導加熱調理器における加熱コイルユニット部の概略構成を示す斜視図The perspective view which shows schematic structure of the heating coil unit part in the induction heating cooking appliance. 本発明の実施の形態３における誘導加熱調理器の要部断面図Sectional drawing of the principal part of the induction heating cooking appliance in Embodiment 3 of this invention 同誘導加熱調理器における加熱コイルユニット部の概略構成を示す斜視図The perspective view which shows schematic structure of the heating coil unit part in the induction heating cooking appliance. 従来の誘導加熱調理器における温度センサ部の断面図Sectional drawing of the temperature sensor part in the conventional induction heating cooking appliance

符号の説明Explanation of symbols

１０ 鍋（被加熱物）
１１ トッププレート
１２ 加熱コイル
１７ 本体外郭
１８ 制御部
２０ 吸気開口部
２１ ファン
２２ 冷却ファンユニット
２４ 赤外線センサ
２５ 多重筒
２６ 開口部
２７ フランジ部
２８ 突出部 10 Pan (Heating object)
DESCRIPTION OF SYMBOLS 11 Top plate 12 Heating coil 17 Main body outline 18 Control part 20 Intake opening part 21 Fan 22 Cooling fan unit 24 Infrared sensor 25 Multiple cylinder 26 Opening part 27 Flange part 28 Projection part

Claims (3)

被加熱物を載置するトッププレートと、トッププレートの下面に近接して配された加熱コイルと、加熱コイルの中央部に実装された赤外線センサと、赤外線センサの周囲の側方部から加熱コイル上面にまで延びた非磁性の導体からなる多重筒と、加熱コイルを含む発熱部材を冷却するファンとを備え、前記多重筒は、ファンから送風される冷却風の風上側の外側筒に冷却風を取り入れる開口部を設け、この開口部と多重筒間の空間を連通させた誘導加熱調理器。 A top plate for placing an object to be heated, a heating coil arranged close to the lower surface of the top plate, an infrared sensor mounted at the center of the heating coil, and a heating coil from a side portion around the infrared sensor A multi-cylinder made of a non-magnetic conductor extending to the upper surface, and a fan for cooling a heat generating member including a heating coil, and the multi-cylinder is provided with cooling air on an outer cylinder on the windward side of the cooling air blown from the fan. An induction heating cooker in which an opening for taking in is provided and the space between the opening and the multiple cylinders is in communication. 多重筒を構成する内側筒を外側筒よりも高い形状とし、前記内側筒の上端には外方向に向かうフランジ部を形成した請求項１に記載の誘導加熱調理器。 The induction heating cooker according to claim 1, wherein the inner cylinder constituting the multiple cylinder is shaped higher than the outer cylinder, and a flange portion directed outward is formed at an upper end of the inner cylinder. 多重筒を構成する外側筒の風上側を風下側に比して高く構成するとともに、外側筒の風上側を加熱コイル上面より突出させた請求項１に記載の誘導加熱調理器。 The induction heating cooker according to claim 1, wherein the windward side of the outer cylinder constituting the multiple cylinder is configured to be higher than the leeward side, and the windward side of the outer cylinder is protruded from the upper surface of the heating coil.
JP2004113797A 2004-04-08 2004-04-08 Induction heating cooker Expired - Lifetime JP4016965B2 (en)

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