JP2008288062A

JP2008288062A - Induction heating device

Info

Publication number: JP2008288062A
Application number: JP2007132510A
Authority: JP
Inventors: Yasushi Watanabe; 泰渡辺
Original assignee: Panasonic Corp
Current assignee: Panasonic Corp
Priority date: 2007-05-18
Filing date: 2007-05-18
Publication date: 2008-11-27

Abstract

<P>PROBLEM TO BE SOLVED: To provide an induction heating device where a pleasant cooking environment is produced, by reducing noises from cooling fans during cooking, and cooking noises during cooking. <P>SOLUTION: The induction heating device is provided with a noise-collecting unit and a sound unit for collecting the noise made during cooking and for generating a noise canceling signal, after making a sound treatment and reproducing them by the sound unit, and as a result, noise can be reduced. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、一般家庭等で使用する誘導加熱装置に関するものである。 The present invention relates to an induction heating device used in general homes and the like.

従来、この種の誘導加熱装置は、加熱コイル及びそれを制御する制御回路を備えており、それらの発熱を冷却するための冷却ファンを備えている。図１において、１は加熱コイル、２は制御回路部、３は冷却ファンにより構成されている。４は機器の操作を音声で案内するための音声装置を内蔵している（例えば、特許文献１参照）。
特開２００６−１７２９７７号公報 Conventionally, this type of induction heating apparatus includes a heating coil and a control circuit that controls the heating coil, and includes a cooling fan for cooling the heat generated by the heating coil. In FIG. 1, 1 is a heating coil, 2 is a control circuit unit, and 3 is a cooling fan. 4 includes a voice device for guiding the operation of the device by voice (see, for example, Patent Document 1).
JP 2006-172977 A

しかしながら、近年の高出力化により発熱素子の損失による発熱量が増加し、前記従来の構成では、冷却手段であるファンの風量を増加させるが為に、冷却ファンの騒音も大きくなる傾向にあった。それに加えて、調理中の音も大きいため、調理中に外部の音が聞こえ難く、外部の音を聞くためには一旦調理を停止し、誘導加熱装置の加熱を停止する必要があるという課題を有していた。 However, the amount of heat generated due to loss of the heat generating element has increased due to the recent increase in output, and the conventional configuration has increased the air volume of the fan, which is a cooling means, and therefore the noise of the cooling fan tended to increase. . In addition, since the sound during cooking is loud, it is difficult to hear external sounds during cooking, and in order to hear external sounds, it is necessary to stop cooking and stop heating the induction heating device. Had.

本発明は、前記従来の課題を解決するもので、調理中の騒音を低減し、快適な調理環境を提供する事を目的とする。 The present invention solves the above-described conventional problems, and an object thereof is to reduce noise during cooking and provide a comfortable cooking environment.

前記従来の課題を解決するために、本発明の誘導加熱装置は、集音装置にて冷却ファン及び調理中のノイズを集音し、その音を制御回路内の信号処理部で逆位相の音声に変換し、その変換された音声を音声装置により再生させる事で、これによって、ノイズをキャンセルし騒音を低減するである。 In order to solve the above-described conventional problems, the induction heating apparatus of the present invention collects noise during cooling fan and cooking by a sound collecting device, and the sound is reverse-phased by a signal processing unit in a control circuit. And the converted sound is reproduced by the sound device, thereby canceling the noise and reducing the noise.

本発明の誘導加熱装置は、調理中の騒音を低減させる事ができる。 The induction heating device of the present invention can reduce noise during cooking.

第１の発明は、誘導加熱装置の加熱を司る加熱コイルと、前記加熱コイルの制御を司る制御回路と、前記加熱コイルと制御回路の発熱の放熱を助ける冷却ファンと、調理器の使用方法を音声で案内するための音声回路と、前記冷却ファンの騒音や調理中のノイズを集音する集音装置とを備えた誘導加熱装置であり、集音装置により集音した騒音及びノイズを音声処理し、音声回路により再生する事で騒音を低減する事が可能である。また、基板の固定や冷却方法等を従来の方法と変える等、複雑になることはなく、前記冷却ファンの回転数を操作することもないので、動作の安定性が低下することもない。 The first invention includes a heating coil that controls heating of the induction heating device, a control circuit that controls the heating coil, a cooling fan that helps dissipate heat generated by the heating coil and the control circuit, and a method of using the cooker. An induction heating device comprising a voice circuit for guiding by voice and a sound collecting device for collecting noise of the cooling fan and noise during cooking, and processing the noise and noise collected by the sound collecting device However, it is possible to reduce the noise by reproducing with an audio circuit. Further, there is no complication such as changing the substrate fixing or cooling method from the conventional method, and the rotational speed of the cooling fan is not manipulated, so that the operational stability is not lowered.

第２の発明は、特に、第１の発明の誘導加熱装置において、音声回路と集音回路を外部接続可能としたもので、最適な位置に外部スピーカー並びに外部マイクを配置する事が可能である。 In particular, the second invention is an induction heating apparatus according to the first invention, in which the audio circuit and the sound collecting circuit can be externally connected, and an external speaker and an external microphone can be arranged at an optimum position. .

第３の発明は、特に、第１の発明及び第２の発明の誘導加熱装置において、音声入力レベルと音声出力レベルを無段階に調整可能とし、ノイズキャンセルの効果レベルを好みの状態に調整可能としたものである。 In the third invention, in particular, in the induction heating apparatus of the first invention and the second invention, the audio input level and the audio output level can be adjusted steplessly, and the noise cancellation effect level can be adjusted to a desired state. It is what.

第４の発明は、特に、第１、第２及び第３の発明の誘導加熱装置において、ノイズキャンセル機能をＯＮ／ＯＦＦできる機能を備え、不要な時はノイズキャンセル機能を切る事ができ、音声回路を増幅器として使用可能で、外部音声入力端子から音楽プレーヤー等に接続し、音楽を楽しみながら調理を行うことを可能としたものである。 The fourth invention has a function that can turn on / off the noise canceling function in the induction heating devices of the first, second, and third inventions in particular, and can turn off the noise canceling function when unnecessary. The circuit can be used as an amplifier, and can be connected to a music player or the like from an external audio input terminal so that cooking can be performed while enjoying music.

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。 Embodiments of the present invention will be described below with reference to the drawings. Note that the present invention is not limited to the embodiments.

（実施の形態１）
図２、図３は、本発明の第１の実施の形態における誘導加熱装置の全体構成図である。 (Embodiment 1)
2 and 3 are overall configuration diagrams of the induction heating apparatus according to the first embodiment of the present invention.

図２及び図３において、１は加熱コイル、２は前記加熱コイルを制御する制御回路、３は前記加熱コイル及び制御回路を冷却する冷却ファン、４は音声にて機器の操作や手順を案内する音声装置、５は周囲のノイズを集音する為の集音装置である。集音装置５により、調理中の冷却ファンの発する音や、調理ノイズを拾い、それを制御回路内の音声処理回路により音声処理を施し、瞬時に集音したノイズの音声波形の逆位相の波形を生成し、それを音声回路のスピーカーにて再生することにより、ノイズがキャンセルし合ってノイズを低減する事が可能となる。 2 and 3, 1 is a heating coil, 2 is a control circuit that controls the heating coil, 3 is a cooling fan that cools the heating coil and the control circuit, and 4 is a voice that guides the operation and procedure of the device. The sound device 5 is a sound collecting device for collecting ambient noise. The sound collecting device 5 picks up the sound generated by the cooling fan during cooking and cooking noise, and performs the sound processing by the sound processing circuit in the control circuit, so that the waveform of the opposite phase of the sound waveform of the noise collected instantaneously Can be generated and reproduced by the speaker of the audio circuit, so that the noise can be canceled and the noise can be reduced.

（実施の形態２）
図４は、さらに外部音声入出力端子８を備え、音声回路４のスピーカー６と集音回路のマイク７を外部接続可能としたもので、外部スピーカー６と外部マイク７との配置を調整する事でノイズキャンセル効果を一番得られる所に配置する事を可能としたものである。 (Embodiment 2)
FIG. 4 further includes an external audio input / output terminal 8 that allows the speaker 6 of the audio circuit 4 and the microphone 7 of the sound collection circuit to be externally connected. This makes it possible to place the noise canceling effect in the place where it can be obtained most.

（実施の形態３）
図５は、音声出力レベルと音声入力レベルを任意に可変できるボリューム９を備えたもので、ノイズキャンセルの効果レベルを任意に調整することが可能とすることができる。 (Embodiment 3)
FIG. 5 includes a volume 9 that can arbitrarily vary the audio output level and the audio input level, and can arbitrarily adjust the noise cancellation effect level.

（実施の形態４）
図６、図７は、ノイズキャンセル機能をＯＮ／ＯＦＦできるスイッチ、及びＯＦＦ時には音声拡声器として音声入力装置と音声出力装置を使う事ができる切替スイッチ１０を有するもので、外部音声入力端子を備えた場合は、入力を集音装置の代わりに音楽プレーヤー等の機器を接続して、音楽再生装置として音楽を楽しみながら調理をする事が可能とすることができる。 (Embodiment 4)
6 and 7 have a switch that can turn on / off the noise canceling function and a changeover switch 10 that can use a voice input device and a voice output device as a voice loudspeaker when it is turned off, and has an external voice input terminal. In such a case, it is possible to connect a device such as a music player instead of the sound collecting device and to cook while enjoying music as a music reproducing device.

以上のように、本発明にかかる誘導加熱装置は、ノイズの音声波形の位相を反転処理し、それを音声装置で再生することでノイズをキャンセルすることができるので、誘導加熱装置に限らず、発熱素子とその熱を放熱させるためのヒートシンクと放熱を促す冷却ファンを備えた電子機器にも応用できる。 As described above, since the induction heating device according to the present invention can cancel the noise by reversing the phase of the noise waveform of the noise and reproducing it with the audio device, not only the induction heating device, The present invention can also be applied to an electronic device including a heat generating element, a heat sink for dissipating the heat, and a cooling fan for promoting heat dissipation.

従来の誘導加熱調理装置の全体構造図Overall structure of a conventional induction heating cooking device 本発明の第１の実施の形態における誘導加熱装置の全体構造図1 is an overall structural diagram of an induction heating device according to a first embodiment of the present invention. 本発明の第１の実施の形態における誘導加熱装置の全体構造図1 is an overall structural diagram of an induction heating device according to a first embodiment of the present invention. 本発明の第２の実施の形態における誘導加熱装置の全体構造図Overall structure diagram of induction heating apparatus in second embodiment of the present invention 本発明の第３の実施の形態における誘導加熱装置及び音声装置部の拡大図The enlarged view of the induction heating apparatus and audio | voice apparatus part in the 3rd Embodiment of this invention 本発明の第４の実施の形態における誘導加熱装置の全体構造図及び音声装置部の拡大図The whole structural view of the induction heating apparatus in the 4th Embodiment of this invention, and the enlarged view of an audio | voice apparatus part 本発明の第４の実施の形態における誘導加熱装置の全体構造図Overall structure diagram of induction heating apparatus in fourth embodiment of the present invention

Explanation of symbols

１加熱コイル
２制御回路
３冷却ファン
４音声装置（内蔵）
５集音装置
６外部スピーカー
７外部マイク
８外部音声入出力端子
９ボリューム
１０切替スイッチ 1 Heating coil 2 Control circuit 3 Cooling fan 4 Audio device (built-in)
5 Sound collector 6 External speaker 7 External microphone 8 External audio input / output terminal 9 Volume 10 selector switch

Claims

A heating coil, a control circuit that controls the heating coil, a cooling fan that cools the heating coil and the control circuit, a voice device that guides operation and procedures of the device by voice, and ambient noise are collected For collecting cooling fan noise generated during cooling and cooking noise generated during cooking by the sound collecting device, and performing sound processing by the control circuit, and noise and cooking of the cooling fan. An induction heating apparatus capable of canceling noise and reducing noise by generating a speech waveform having a phase opposite to that of noise and reproducing the speech waveform generated from the speech device.

The induction heating apparatus according to claim 1, further comprising an external audio output terminal and an external audio input terminal, to which an external speaker or an external microphone can be connected.

The induction heating device according to claim 1, wherein the sound output level and the sound input level can be adjusted steplessly.

The induction heating apparatus according to claim 1, wherein the induction heating apparatus has an ON / OFF function of a noise canceling function, and has a function of inputting music or the like from an external input terminal as a voice amplifier when setting to cancel noise.