JPS60236489A - High frequency heating device - Google Patents
High frequency heating deviceInfo
- Publication number
- JPS60236489A JPS60236489A JP9231884A JP9231884A JPS60236489A JP S60236489 A JPS60236489 A JP S60236489A JP 9231884 A JP9231884 A JP 9231884A JP 9231884 A JP9231884 A JP 9231884A JP S60236489 A JPS60236489 A JP S60236489A
- Authority
- JP
- Japan
- Prior art keywords
- transformer
- heating device
- frequency
- high frequency
- magnetron
- 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
Links
Landscapes
- Control Of High-Frequency Heating Circuits (AREA)
- Dc-Dc Converters (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、昇圧トランスで昇圧された高電圧を印加され
たマグネトロンが発生する高周波電波で食品を加熱する
、再加熱とか解凍に秀れた効果を発揮する家庭用の調理
器である高周波加熱装置に関するものである。[Detailed Description of the Invention] Industrial Application Field The present invention heats food using high-frequency radio waves generated by a magnetron to which a high voltage boosted by a step-up transformer is applied, which has excellent effects in reheating and defrosting. This article relates to a high-frequency heating device that is used as a household cooking device.
従来例の構成とその問題点
従来の高周波加熱装置は、家庭用の商用周波数電岬を用
い、昇圧トランスにより高電圧を印加してマグネトロン
により高周波電波を給電している。Configuration of conventional example and its problems A conventional high-frequency heating device uses a household commercial frequency electric cape, applies high voltage with a step-up transformer, and supplies high-frequency radio waves with a magnetron.
電力を要する加熱機器であるので、電力も家庭用機器と
して大きなものになり、昇圧トランスも大形化され重量
も重いものになっている。商用周波数の電源を用いてい
るためと、大形重量化構造のため戸外で使用するポータ
ブ！し化が困難であった。Since it is a heating device that requires electric power, the electric power is also large for household appliances, and the step-up transformer is also large and heavy. Portable for use outdoors because it uses a commercial frequency power source and has a large and heavy structure! It was difficult to convert into
発明の目的
本発明は直流電源である電池から高周波高電圧を得てマ
グネｌ−，ｏ、ンを動作させ、可搬型の高周波加熱装置
を得るとともに、電源の大形化と重量化を改善し、持運
びを便利にすることを目的としている。Purpose of the Invention The present invention obtains a high frequency high voltage from a battery which is a DC power source to operate a magnet l-, o, and n, thereby obtaining a portable high-frequency heating device and improving the size and weight of the power source. The purpose is to make it convenient to carry.
発明の構成
本発明は直流電源である電池の電力を、昇圧トランスの
１次側と共振コンデンサで構成される共振回路をスイッ
チング素子で駆動する高周波電源回路で、高周波の高電
圧に変換しマグネトロンに印加するようにして、ポータ
プルな高周波加熱袋装置を実現するものである。Structure of the Invention The present invention is a high-frequency power supply circuit that uses a switching element to drive a resonant circuit consisting of the primary side of a step-up transformer and a resonant capacitor, converting the power of a battery, which is a DC power supply, into high-frequency, high-voltage power, and transmitting the power to a magnetron. In this way, a portable high-frequency heating bag device is realized.
実施例の説明 以下図面に従い本発明の一実施例を説明する。Description of examples An embodiment of the present invention will be described below with reference to the drawings.
図において１は加熱室にマイクロ波帯である高周波電波
を給電するマグネトロン、２はマグネトロン１に高電圧
を印加するための昇圧トランス、３は昇圧トランス２の
２次側に接続したダイオードで高圧コンデンサ４と共に
倍電圧整流回路を構成し、マグネトロン１に昇圧トラン
ス２の高圧電力を単方向化して供給している。In the figure, 1 is a magnetron that supplies high-frequency radio waves in the microwave band to the heating chamber, 2 is a step-up transformer for applying high voltage to the magnetron 1, and 3 is a diode and high-voltage capacitor connected to the secondary side of the step-up transformer 2. 4 constitutes a voltage doubler rectifier circuit, and supplies the high voltage power of the step-up transformer 2 to the magnetron 1 in a unidirectional manner.
５は直流電源である電池、６は高周波パワートランジス
ターなどのスイッチング素子で、前記電池５に後述する
Ｌ −Ｃの並列共振回路と直列に接続されている。７は
スイッチング素子６に逆電圧がかかる期間の転流電流を
流すダイオード、８はスイッチング素子６の０Ｎ−ＯＦ
Ｆ制御をし高周波電流を流す制御回路、９は昇圧トラン
ス２の１次側からみたインダクタンスとＬ −Ｃ並列共
振回路を構成する共振コンデンサで、昇圧トランス２の
１次側と並列に、電池６に対しては、前記Ｌ −Ｃ並列
共振回路としてスイッチング素子６と直列に接続されて
いる。Reference numeral 5 denotes a battery as a DC power source, and 6 a switching element such as a high frequency power transistor, which is connected in series to the battery 5 with an L-C parallel resonant circuit to be described later. 7 is a diode that passes a commutation current during the period when a reverse voltage is applied to the switching element 6; 8 is an 0N-OF of the switching element 6;
9 is a resonant capacitor that forms an L-C parallel resonant circuit with the inductance seen from the primary side of the step-up transformer 2, and a battery 6 is connected in parallel with the primary side of the step-up transformer 2 is connected in series with the switching element 6 as the L-C parallel resonant circuit.
このようなもので構成される電池５とスイッチング素子
６からなる高周波電源回路を備えた高周波加熱装置であ
れば、スイッチング素子６で駆動されるＬ−Ｃ並列共振
回路は２０〜３０ ＫＨｚの高周波で動作し、昇圧トラ
ンス２に印加される。昇任トランス２の２次側は高周波
の高電圧を発生し、マグネトロン１に印加し、高周波電
波を発振する。If the high frequency heating device is equipped with a high frequency power supply circuit consisting of the battery 5 and the switching element 6, the L-C parallel resonant circuit driven by the switching element 6 will operate at a high frequency of 20 to 30 KHz. The voltage is applied to the step-up transformer 2. The secondary side of the ascending transformer 2 generates a high frequency high voltage and applies it to the magnetron 1 to oscillate high frequency radio waves.
昇圧トランス２に印加される電圧は高周波であり、鉄心
は磁束密度の点で小形化され、巻線の巻数も少なくなる
。結果昇圧トランス２が小形軽量となる。The voltage applied to the step-up transformer 2 is of high frequency, the iron core is downsized in terms of magnetic flux density, and the number of turns of the winding wire is also reduced. As a result, the step-up transformer 2 becomes smaller and lighter.
このような構成の本発明高周波加熱装置であれ。The high frequency heating device of the present invention has such a configuration.
ば、直流電源である電池６から交流が得られ、昇圧トラ
ンス２で昇圧された高電圧をマグネトロン１に印加でき
る。しかも２０〜３０ ＫＨｚの高周波であるので昇圧
トランス２は小形軽量化され、ポータプルで屋外などで
使用でき、しかも持運びに便利な軽量の高周波加熱装置
が得られる。For example, alternating current can be obtained from the battery 6, which is a direct current power source, and a high voltage boosted by the step-up transformer 2 can be applied to the magnetron 1. Moreover, since the high frequency is 20 to 30 KHz, the step-up transformer 2 is small and lightweight, and a lightweight high-frequency heating device that can be used outdoors as a portable device and is convenient to carry can be obtained.
発明の効果
このような本発明の構成であれば、直流電源である電池
から高周波高電性が得られ、家庭用の交流蝋源が要らな
い可搬型の高周波加熱装−が再起れる。しかも高周波電
流で動作するので昇圧トランスなどの電源は小形軽量で
構成され、持運びに便利なものになる。Effects of the Invention With the configuration of the present invention, high frequency and high electric properties can be obtained from a battery as a DC power source, and a portable high frequency heating device that does not require a household AC wax source can be re-established. Moreover, since it operates with high-frequency current, power supplies such as step-up transformers can be made small and lightweight, making them convenient to carry.
図は本発明の一実施例を示す高周波加熱装置の回路図で
ある。
１・・・・・・マグネトロン、２・・団・昇圧トランス
、６・・・・・・電池、′″６・・・・・・スイッチン
グ素子、８・・・・・・制御回路、９・・・・・・共振
コンデンサ。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名ｑ
４The figure is a circuit diagram of a high frequency heating device showing an embodiment of the present invention. 1... Magnetron, 2... Group step-up transformer, 6... Battery, '''6... Switching element, 8... Control circuit, 9... ...Resonance capacitor. Name of agent: Patent attorney Toshio Nakao and 1 other personq
4
Claims (1)
グネトロンに高電圧を印加する昇圧トランスと、前記昇
圧トランス１次側に接続され共振回路を構成する共振コ
ンデンサと、前記共振回路を駆動するスイッチング素子
とを備え、前記共振回路と前記スイッチング素子とから
なる高周波電源回路を電池で動作させる高周波加熱装置
。A magnetron that supplies high-frequency radio waves to a heating chamber, a step-up transformer that applies a high voltage to the magnetron, a resonant capacitor that is connected to the primary side of the step-up transformer and forms a resonant circuit, and a switching element that drives the resonant circuit. A high-frequency heating device comprising: a high-frequency power supply circuit including the resonant circuit and the switching element operated by a battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9231884A JPS60236489A (en) | 1984-05-09 | 1984-05-09 | High frequency heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9231884A JPS60236489A (en) | 1984-05-09 | 1984-05-09 | High frequency heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60236489A true JPS60236489A (en) | 1985-11-25 |
Family
ID=14051040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9231884A Pending JPS60236489A (en) | 1984-05-09 | 1984-05-09 | High frequency heating device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60236489A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63252384A (en) * | 1987-04-09 | 1988-10-19 | 松下電器産業株式会社 | Radio frequency heater |
| JPH01278261A (en) * | 1988-04-28 | 1989-11-08 | Hitachi Ltd | Switching power source |
| JPH0395890A (en) * | 1989-09-07 | 1991-04-22 | Matsushita Electric Ind Co Ltd | High frequency heating device |
-
1984
- 1984-05-09 JP JP9231884A patent/JPS60236489A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63252384A (en) * | 1987-04-09 | 1988-10-19 | 松下電器産業株式会社 | Radio frequency heater |
| JPH01278261A (en) * | 1988-04-28 | 1989-11-08 | Hitachi Ltd | Switching power source |
| JPH0395890A (en) * | 1989-09-07 | 1991-04-22 | Matsushita Electric Ind Co Ltd | High frequency heating device |
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