JPH02142086A - Electromagnetic cooker - Google Patents

Electromagnetic cooker

Info

Publication number
JPH02142086A
JPH02142086A JP29646788A JP29646788A JPH02142086A JP H02142086 A JPH02142086 A JP H02142086A JP 29646788 A JP29646788 A JP 29646788A JP 29646788 A JP29646788 A JP 29646788A JP H02142086 A JPH02142086 A JP H02142086A
Authority
JP
Japan
Prior art keywords
heating unit
coil
heating
power
frequency power
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP29646788A
Other languages
Japanese (ja)
Inventor
Naoto Fujikawa
直人 藤川
Hideki Omori
英樹 大森
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP29646788A priority Critical patent/JPH02142086A/en
Publication of JPH02142086A publication Critical patent/JPH02142086A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To make the form of a delivery device compact, to handle the device easily, and to reduce the cost, by operating a fan motor and a lamp of a heating unit with a high-frequency electric power. CONSTITUTION:A high-frequency power output from an inverter power source 6 is delivered to the heating coil 2 of a heating unit 1 through a delivery device 11, and the heating coil 2 generates an alternative magnetic field to heat a pot 3 by an induced heat. The voltage is induced from the heating coil 2 to a pickup coil 14 of the heating unit 1, and the electric power is rectified by a rectifier circuit 17 and delivered to a fan motor 5 and a lamp 4. Consequently, it is not necessary to feed the commercial frequency power to the heating unit 1, making the cable 12 and the connector 13 of the delivery device 11 simpler, and a low cost and an easy handling in respect of the storage and the like are realized.

Description

【発明の詳細な説明】 産業上の利用分野 本発明は、一般家庭において使用する電磁調理器に関す
るものである。
DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an electromagnetic cooker used in general households.

従来の技術 従来の技術におけるこの種の電磁調理器の回路図を第2
図に示す。図において、1は加熱ユニットで、高周波電
力が供給されると交番磁界を発生して13を誘導加熱す
る加熱コイル2と、商用周波電力が供給されると点灯し
て使用者に機器が作動中であることを表示するランプ4
と、ファンを回転させて加熱コイル2を冷却するモータ
5とを有する。6はインバータ電源で、商用電源を平滑
する平滑回路7と、共撮コンデンサ8と、IGBT(イ
ンシュレイテッド・ゲート・バイポーラ・トランジスタ
)等のスイッチング素子9と、このスイッチング素子9
を駆動させ高周波電力を発生させる制御回路10とを有
する。11はインバータ電源6の発生する高周波電力と
商用周波電力を加熱ユニット1へ伝達する伝達手段で、
ケーブル】2とコネクタ13を有しており、インバータ
電源6との接続部はコネクタ13により着脱可能となっ
ている。
Conventional technology The circuit diagram of this kind of electromagnetic cooker in the conventional technology is shown in the second diagram.
As shown in the figure. In the figure, 1 is a heating unit, which includes a heating coil 2 that generates an alternating magnetic field and inductively heats 13 when high-frequency power is supplied, and a heating coil 2 that lights up when commercial frequency power is supplied to notify the user that the device is operating. Lamp 4 to indicate that
and a motor 5 that rotates the fan to cool the heating coil 2. 6 is an inverter power supply, which includes a smoothing circuit 7 for smoothing the commercial power supply, a common capacitor 8, a switching element 9 such as an IGBT (insulated gate bipolar transistor), and this switching element 9.
It has a control circuit 10 that drives the controller and generates high-frequency power. 11 is a transmission means for transmitting high frequency power and commercial frequency power generated by the inverter power supply 6 to the heating unit 1;
The cable 2 has a connector 13, and the connection part to the inverter power supply 6 can be attached or detached by the connector 13.

以上の構成で、電磁調理器のインバータ電源6を含む本
体と加熱コイル2を含む加熱ユニット1を分離すること
により、加熱ユニット1を使いやすい小型薄型の軽量な
機器にすることができる。
With the above configuration, by separating the main body of the electromagnetic cooker including the inverter power supply 6 and the heating unit 1 including the heating coil 2, the heating unit 1 can be made into a small, thin, and lightweight device that is easy to use.

又加熱ユニット1を本体とは別に収納できるばかりでな
く、他の高周波電力を使用する機器も伝達手段11を有
することで本体のインバータ電源6を併用することが可
能となる。
Furthermore, not only can the heating unit 1 be stored separately from the main body, but also other equipment using high frequency power can also use the inverter power supply 6 of the main body by having the transmission means 11.

発明が解決しようとする課題 しかしながら、このような従来の技術における構成では
、加熱コイル2を冷却するファンモータ5や、機器が動
作中であることを使用者に表示するランプ4へ商用周波
電力を送る必要があり、そのため伝達手段11のケーブ
ル12とコネクタ13は高周波用と商用周波用の二通り
が必要で、形状が大きく取り扱いにくいだけではなくコ
ストもかかっていた。
Problems to be Solved by the Invention However, in the configuration of the conventional technology, commercial frequency power is not supplied to the fan motor 5 that cools the heating coil 2 or the lamp 4 that indicates to the user that the device is in operation. Therefore, the cable 12 and connector 13 of the transmission means 11 need to be used in two ways, one for high frequency and one for commercial frequency, which is not only large and difficult to handle, but also expensive.

本発明は上記欠点を解決するべく高周波電力によって加
熱ユニットのファンモータとランプを作動させて、伝達
手段の商用周波用のケーブル及びコネクタを省略し、伝
達手段の形状を小さくかつ扱いやすくする一方で、コス
トを下げることを目的とする。
In order to solve the above-mentioned drawbacks, the present invention operates the fan motor and lamp of the heating unit with high-frequency power, eliminates the commercial frequency cable and connector of the transmission means, and makes the shape of the transmission means small and easy to handle. , with the aim of lowering costs.

課題を解決するための手段 上記目的を達成するために本発明の電磁調理器は、加熱
ユニットと、スイッチング素子と共振コンデンサと平滑
回路と制御回路を有し高周波電力を発生するインバータ
電源と、このインバータ電源と前記加熱ユニットとを着
脱可能に接続する伝達手段とを有し、前記加熱ユニット
は、高周波電力が供給され交番磁界を発生して鍋を誘導
加熱する加熱コイルと、この加熱コイルから受電するピ
ックアップコイルと、このピックアップコイルに誘起さ
れる電力を整流する整流回路と、この整流回路より電力
が供給されるランプ及びファンモータとを有するもので
ある。
Means for Solving the Problems In order to achieve the above objects, the electromagnetic cooker of the present invention includes a heating unit, an inverter power supply that generates high-frequency power and that has a switching element, a resonant capacitor, a smoothing circuit, and a control circuit, and this It has a transmission means that detachably connects an inverter power source and the heating unit, and the heating unit includes a heating coil that is supplied with high-frequency power and generates an alternating magnetic field to inductively heat the pot, and receives power from the heating coil. The device includes a pickup coil, a rectifier circuit that rectifies the electric power induced in the pickup coil, and a lamp and fan motor to which electric power is supplied from the rectifier circuit.

作用 上記構成とすることにより、インバータ電源より出力さ
れた高周波電力は伝達手段により加熱ユニットの加熱コ
イルへ伝達され、加熱コイルは交番磁界を発生して鍋を
誘導加熱する。そして、加熱ユニットのピックアップコ
イルに加熱コイルから電圧が誘起され、その電力は整、
流回路で整流され、ファンモータやランプに送られる。
Operation With the above configuration, the high frequency power output from the inverter power supply is transmitted to the heating coil of the heating unit by the transmission means, and the heating coil generates an alternating magnetic field to induction heat the pot. Then, a voltage is induced from the heating coil in the pickup coil of the heating unit, and the power is regulated.
It is rectified in the current circuit and sent to the fan motor and lamp.

従って加熱ユニットへは商用周波電力を送る必要がなく
、伝達手段のケーブルとコネクタを簡素化することがで
きる。
Therefore, there is no need to send commercial frequency power to the heating unit, and the cable and connector of the transmission means can be simplified.

実施例 以下本発明の電磁調理器の一実施例について第1図を参
照して説明する。図において1は加熱ユニットで、高周
波電力が供給されると交番磁界を発生して鍋3を誘導加
熱する加熱コイル2と、この加熱コイル2の近傍に設け
られこれから受電するピックアップコイル14と、この
ピックアップコイル14に誘起される電力を整流するダ
イオード15と、コンデンサ16よりなる整流回路17
と、この整流回路17より電力が供給されるランプ4と
ファンモータ5を有するものである。7は平滑回路で、
ダイオードブリッジ18、千ヨークコイル19、平滑コ
ンデンサ20よりなり商用電源を平滑する。8は共振コ
ンデンサ、9はIGBT21とダイオード22よりなる
スイッチング素子、10は制御回路で、共振のタイミン
グをとり、スイッチング素子9を高速でドライブさせて
高周波電力を発生させる。また、6はインバータ電源で
、前記平滑回路7と、共振コンデンサ8と、スイッチン
グ素子9と、制御回路10よりなり、高周波電力を出力
する。11はケーブル12とコネクタ13よりなりイン
バータ電源6の発生する高周波電力を加熱ユニット1へ
伝達する伝達手段で、インバータ電源6側にコネクタ1
3を配し、伝達手段11とインバータ電源6との接続部
はコネクタ13により着脱可能である。
EXAMPLE Hereinafter, an example of the electromagnetic cooker of the present invention will be described with reference to FIG. In the figure, 1 is a heating unit, which includes a heating coil 2 that generates an alternating magnetic field to inductively heat the pot 3 when high-frequency power is supplied, a pickup coil 14 that is installed near this heating coil 2 and receives power from it, and A rectifier circuit 17 consisting of a diode 15 and a capacitor 16 that rectifies the power induced in the pickup coil 14.
It has a lamp 4 and a fan motor 5 to which electric power is supplied from the rectifier circuit 17. 7 is a smoothing circuit,
It consists of a diode bridge 18, a thousand yoke coil 19, and a smoothing capacitor 20 to smooth the commercial power supply. 8 is a resonant capacitor, 9 is a switching element made up of an IGBT 21 and a diode 22, and 10 is a control circuit that takes resonance timing and drives the switching element 9 at high speed to generate high frequency power. Further, 6 is an inverter power supply, which includes the smoothing circuit 7, a resonant capacitor 8, a switching element 9, and a control circuit 10, and outputs high-frequency power. Reference numeral 11 denotes a transmission means consisting of a cable 12 and a connector 13 for transmitting the high frequency power generated by the inverter power supply 6 to the heating unit 1. The connector 1 is connected to the inverter power supply 6 side.
3, and the connecting portion between the transmission means 11 and the inverter power supply 6 is detachable via a connector 13.

上記構成による動作を以下に説明する。商用電源からの
入力電力はインバータ電源6により高周波電力に変換さ
れ、伝達手段11のコネクタ13とケーブル12を通っ
て加熱ユニット1の加熱コイル2へ送られる。加熱コイ
ル2は交番磁界を発生して鍋3を誘導加熱する。又、こ
の交番磁界を受けて、加熱ユニット1内の加熱コイル2
近傍に設けられているピックアップコイル14に電圧が
誘起され、その電力は整流回路17で整流され、直流用
のファンモータ5やランプ4に送られる。
The operation of the above configuration will be explained below. Input power from a commercial power source is converted into high-frequency power by an inverter power source 6 and sent to the heating coil 2 of the heating unit 1 through the connector 13 of the transmission means 11 and the cable 12. The heating coil 2 generates an alternating magnetic field to heat the pot 3 by induction. Also, receiving this alternating magnetic field, the heating coil 2 in the heating unit 1
A voltage is induced in the pickup coil 14 provided nearby, and the resulting power is rectified by the rectifier circuit 17 and sent to the DC fan motor 5 and lamp 4.

そして、この送られた電力によって、ファンモータ5は
加熱コイル2を冷却しランプ4は点灯して使用者に機器
が作動していることを表示する。
Then, the fan motor 5 cools the heating coil 2 by this electric power, and the lamp 4 lights up to indicate to the user that the device is operating.

従って加熱ユニット1へは商用周波電力を送る必要がな
く、伝達手段11のケーブル12とコネクタ13を簡素
化することができる。
Therefore, there is no need to send commercial frequency power to the heating unit 1, and the cable 12 and connector 13 of the transmission means 11 can be simplified.

発明の効果 上記実施例から明らかなように、本発明によれば、イン
バータ電源と前記加熱ユニットとを着脱可能に接続する
伝達手段におけるケーブルとコネクタとが高周波電力用
のものだけで済むため、低価格で収納などの面で扱いや
すい電磁調理器を提供することができる。
Effects of the Invention As is clear from the above embodiments, according to the present invention, only cables and connectors for high-frequency power are required in the transmission means for removably connecting the inverter power source and the heating unit. It is possible to provide an electromagnetic cooker that is inexpensive and easy to handle in terms of storage and the like.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明の一実施例を示す電磁調理器の回路図、
第2図は従来の電磁調理器の回路図を示す。 1・・・加熱ユニット、2・・・加熱コイル、4・・・
ランプ、5・・・ファンモータ、6・・・インバータ電
源、7・・・平滑回路、8・・・共振コンデンサ、9・
・・スイッチング素子、10・・・制御回路、11・・
・伝達手段、12・・・ケーブル、13・・・コネクタ
、14・・・ピックアップコイル、17・・・整流回路
FIG. 1 is a circuit diagram of an electromagnetic cooker showing an embodiment of the present invention;
FIG. 2 shows a circuit diagram of a conventional electromagnetic cooker. 1... Heating unit, 2... Heating coil, 4...
Lamp, 5... Fan motor, 6... Inverter power supply, 7... Smoothing circuit, 8... Resonance capacitor, 9...
...Switching element, 10...Control circuit, 11...
-Transmission means, 12...cable, 13...connector, 14...pickup coil, 17...rectifier circuit.

Claims (1)

【特許請求の範囲】[Claims] 加熱ユニットと、スイッチング素子と共振コンデンサと
平滑回路と制御回路を有し高周波電力を発生するインバ
ータ電源と、このインバータ電源と前記加熱ユニットと
を着脱可能に接続する伝達手段とを有し、前記加熱ユニ
ットは、高周波電力が供給され交番磁界を発生して鍋を
誘導加熱する加熱コイルと、この加熱コイルから受電す
るピックアップコイルと、このピックアップコイルに誘
起される電力を整流する整流回路と、この整流回路より
電力が供給されるランプ及びファンモータとを有する電
磁調理器。
The heating unit includes a heating unit, an inverter power source that has a switching element, a resonant capacitor, a smoothing circuit, and a control circuit and generates high-frequency power, and a transmission means that detachably connects the inverter power source and the heating unit. The unit consists of a heating coil that is supplied with high-frequency power and generates an alternating magnetic field to inductively heat a pot, a pickup coil that receives power from this heating coil, a rectifier circuit that rectifies the power induced in this pickup coil, and a rectifier circuit that rectifies the power induced in this pickup coil. An electromagnetic cooker that includes a lamp and a fan motor that are powered by a circuit.
JP29646788A 1988-11-24 1988-11-24 Electromagnetic cooker Pending JPH02142086A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP29646788A JPH02142086A (en) 1988-11-24 1988-11-24 Electromagnetic cooker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29646788A JPH02142086A (en) 1988-11-24 1988-11-24 Electromagnetic cooker

Publications (1)

Publication Number Publication Date
JPH02142086A true JPH02142086A (en) 1990-05-31

Family

ID=17833929

Family Applications (1)

Application Number Title Priority Date Filing Date
JP29646788A Pending JPH02142086A (en) 1988-11-24 1988-11-24 Electromagnetic cooker

Country Status (1)

Country Link
JP (1) JPH02142086A (en)

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