JPH03263791A - High-frequency heating device - Google Patents
High-frequency heating deviceInfo
- Publication number
- JPH03263791A JPH03263791A JP6022990A JP6022990A JPH03263791A JP H03263791 A JPH03263791 A JP H03263791A JP 6022990 A JP6022990 A JP 6022990A JP 6022990 A JP6022990 A JP 6022990A JP H03263791 A JPH03263791 A JP H03263791A
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- circuit
- voltage
- signal
- drop
- 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
- 238000010438 heat treatment Methods 0.000 title claims description 18
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 6
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract 1
- 238000010411 cooking Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 2
- 101100321312 Bacillus subtilis (strain 168) yxeH gene Proteins 0.000 description 1
- 101000667308 Homo sapiens WD repeat-containing protein 18 Proteins 0.000 description 1
- 241000244206 Nematoda Species 0.000 description 1
- 102100039743 WD repeat-containing protein 18 Human genes 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Control Of High-Frequency Heating Circuits (AREA)
- Electric Ovens (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、車、レジャー船舶等のバッテリーからなる偵
流電源を備えた乗り物等において利用されるいわゆる電
fレンジ等の高周波加熱装置に関し、さらに詳しくは、
その電源にインバータ電源回路を備えた高周波加熱装置
に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a high-frequency heating device such as a so-called electric oven used in a vehicle equipped with a reconnaissance power source consisting of a battery such as a car or a leisure boat. teeth,
The present invention relates to a high-frequency heating device whose power source is equipped with an inverter power supply circuit.
従来の技術
従来、この種の高周波加熱装置は、特開平1〜3052
34号公報のような回路構成をしていた。Conventional technology Conventionally, this type of high-frequency heating device has been disclosed in Japanese Patent Application Laid-Open No. 1996-3052.
It had a circuit configuration similar to that in Publication No. 34.
第2図は従来例の高周波加熱装置の回路図である。バッ
テリー1からの電力を平滑コンデンサ2で安定化し、イ
ンバータ電源回路3で高圧直流電源に変換しマグネトロ
ン4に供給している。FIG. 2 is a circuit diagram of a conventional high frequency heating device. Power from a battery 1 is stabilized by a smoothing capacitor 2, converted to high-voltage DC power by an inverter power supply circuit 3, and supplied to a magnetron 4.
ここで、バッテリーの消耗を抑えるため、駆動回路5で
インバータ回路3を制御し、マグネトロン出力を低加熱
出力のみに制限して加熱tA理を行っていた。Here, in order to suppress battery consumption, the drive circuit 5 controls the inverter circuit 3 and the magnetron output is limited to only a low heating output to perform the heating tA process.
発明が解決しようとする!1題
しかしながら、前述したような従来の技術では、加熱時
間がかかりすぎ、しかも、十分な加熱性能が得られない
という不都合があった。すなわち、高周波加熱装置の特
徴の−っであるスピード調理ができなかった。Invention tries to solve! However, the conventional techniques as described above have the disadvantage that heating time is too long and sufficient heating performance cannot be obtained. In other words, it was not possible to perform speedy cooking, which is a feature of high-frequency heating devices.
さらに、このよ・うな構成の高周波加熱装置に4ンい′
て、バッテリー 1が消耗をしたときには、所定のマグ
AAI−ロン出力が得(ニ)れす、加熱終了時点で被加
熱物が所定の状態まで加熱されない状態にあるという不
都合があった。さt)に、バッテリーを使用しでいる場
合には過放電、によるカ命の杵j、い低■が仕じるとい
・う課題があった。Furthermore, there are four
When the battery 1 is exhausted, a predetermined mag AAI-ron output is not obtained, and the object to be heated is not heated to the predetermined state at the end of heating. Another problem was that if the battery was left unused, it would be over-discharged, which would lead to life-threatening problems.
課題を解決するための手段
このよ・)な従来の技術の課題を解決゛4るために、本
発明は以FLこ述べる構成より威るも山である。Means for Solving the Problems In order to solve the problems of the prior art, the present invention is more powerful than the configuration described below.
すなわち、バッテリー等σ)直流電源と、マグネトロン
等のマイクロ波発振器と、前記[ff流電源の見゛力苓
交涜に置換かつ背比整流して前記マイクD波発振!Sに
電力を供給するインバ・−夕電源回路と1、前記インバ
ータ電源回路の動作4制御°4る駆動回路とを備え、前
記直流電源のTM、g電圧が所定の仙より低′F1″る
と前記駆動回路の動作を停」)二する構成としたもので
ある。That is, a direct current power source (σ) such as a battery, a microwave oscillator such as a magnetron, and the aforementioned microphone D-wave oscillation are generated by replacing and rectifying the power source of the ff current power source. an inverter power supply circuit for supplying power to S; and a drive circuit for controlling the operation of the inverter power supply circuit; and stops the operation of the drive circuit.
また、直流電源の電圧(へ十を警告づ−る表示を4−る
構成としたものごある。In addition, there are some devices that have a display that warns you of the voltage of the DC power supply.
作用
以lの構成により本発明は以トに述べる作用をイ1“づ
るものである。Effects The present invention achieves the following effects with the configuration described below.
すなわち、直流電源の出力低1・を検出し、所定の電圧
以Iで、インバ・−夕電源回路の駆動回路動作を停止さ
せることで、バッテリーの過放電によるメI命の低下を
防止Cきる。That is, by detecting a low output of the DC power supply and stopping the operation of the drive circuit of the inverter power supply circuit when the voltage exceeds a predetermined voltage, it is possible to prevent a decrease in the life of the main power supply due to overdischarge of the battery. .
さ6に、被加熱物が望みの状態に加熱されないt−を調
理が終fし、イれに気がつかないごとり表示により警舊
3るのご、加熱調理の失敗が防げる。In addition, when the food to be heated is not heated to the desired state, the cooking failure can be prevented by displaying the display so that the food is not heated to the desired state.
実施例
組子 4発明の実施例【7ついて図面と共G5′l説ヴ
1する。第1Wは本発明の−・実施例を示゛4高周波加
熱’AKの11179図である。Embodiment Muntin 4 Embodiment 7 of the invention is explained in conjunction with the drawings. The 1st W is a diagram 11179 of 4 high frequency heating 'AK showing an embodiment of the present invention.
第1図において、2二次電池であるバソう・リ−よりな
るiff流電′a6に:′1!滑用コンデンサ7をit
f<列に接続j11、・インバータ電源間IP1Bの動
作時の電源電圧の安定化を討つでいる。インバータ電源
間lPI3は共振型回路で構成され、共振コンフ゛°ン
リ91.スインチ:/グ素子10、回虫用ダイオ−ド1
、昇圧!・ランス12、高圧倍電圧整流回W813か4
.なる。インバータ回路の出力はマグネト[1ン14の
カッ−1゛・アノード間に供給される。マグネト「コン
のカッ・−ドには電圧トランス12にイ・1されたヒー
ター・巻線15により、カッ−ドフィラメントを加熱す
る電力が供給される。In FIG. 1, if current current 'a6' consisting of two secondary batteries, ie, Batho Li, is: '1! It is the sliding capacitor 7.
f<column connection j11, and stabilization of the power supply voltage during operation of IP1B between the inverter power supply and the inverter power supply is attempted. The IPI3 between the inverter power supplies is composed of a resonant circuit, and the resonant circuit 91. Sinch: 10 elements, 1 diode for roundworms
, Boost!・Lance 12, high voltage voltage doubler rectifier circuit W813 or 4
.. Become. The output of the inverter circuit is supplied between the magnet 1 and the anode of the magnet 14. Power for heating the quad filament is supplied to the quad filament of the magnetoconverter by a heater winding 15 connected to a voltage transformer 12.
インバータi源回路8の制?1jを1−る駆動回路16
は、低電圧検知回路17、駆動伝号発生回路18からな
る。Control of inverter i source circuit 8? 1j is 1-drive circuit 16
consists of a low voltage detection circuit 17 and a drive signal generation circuit 18.
低電圧検知回路17では、所定の基単電源19と電1a
ii圧を比較器20で比較し、所定値より電lri、電
圧が低下すると、比較器20よりL信号を出力する。In the low voltage detection circuit 17, a predetermined base single power supply 19 and a power supply 1a are connected to each other.
The comparator 20 compares the voltage ii and outputs an L signal when the voltage lri falls below a predetermined value.
駆動信号発生回路18では、のこぎり波発生回路21の
信号と所定の電圧22を比較器で比較して、駆動用のオ
ン・オフ信号を出力する。このオン・オフ信号と低電圧
検知回路17の出力信号は、AND回1s24で論理演
′X後、インバータ電源回路8のスイッチング素子10
の駆動信号とし゛τ出力される。The drive signal generation circuit 18 compares the signal from the sawtooth wave generation circuit 21 with a predetermined voltage 22 using a comparator, and outputs an on/off signal for driving. This on/off signal and the output signal of the low voltage detection circuit 17 are logically operated in an AND circuit 1s24, and then the switching element 10 of the inverter power supply circuit 8
It is output as the drive signal τ.
また、25は電源型1」[が低下する2・し2、電圧低
Fを警告表示する発光ダイオ−1゛26を点灯さセる電
lt (氏F警2.−表示回路である。この警e1表ボ
で、バノj−リーの交換または充電を・うなが1ことで
、被加熱物の不完全な調理を防止する。発光ダイA]′
26は駆動回路停止する電R’1HINよりも、少L7
高い電圧で点灯Δ−る。In addition, 25 is a display circuit that lights up the light emitting diode 1 and 26 to display a warning that the voltage is low. Prevent incomplete cooking of the heated item by replacing or recharging the burner at the top of the screen. Light-emitting die A]'
26 is less L7 than the voltage R'1HIN that stops the drive circuit.
Lights up at high voltage.
27は内燃機関の回転を直流電源の電圧低下であり、電
源の2次電池を充@するときにはスイッチ27がオンと
なる。Reference numeral 27 indicates the voltage drop of the DC power source that controls the rotation of the internal combustion engine, and the switch 27 is turned on when charging the secondary battery of the power source.
発明の効果
以トのように本発明の高周波加熱装置に、4、れば、次
の効果が得られる。Effects of the Invention If the high frequency heating device of the present invention has four advantages as described above, the following effects can be obtained.
(1)電源電圧の低下を検知し、インバータ電源[11
路の動作を停止する構成なので、バッテリー等の電源の
過放電を防止で赤る。このため、2次Th池の寿命低下
を妨げる。(1) Detects a drop in power supply voltage and connects the inverter power supply [11
Since it is configured to stop the operation of the circuit, it prevents over-discharging of power sources such as batteries. This prevents the life of the secondary Th cell from decreasing.
(2)電源電圧が低−Fすると、警告表示が点夕1する
ので、被加熱物の不完全な調理が防止できる。(2) When the power supply voltage is low -F, a warning display is displayed, so that incomplete cooking of the heated object can be prevented.
第1図は本発明の一実施例の高周波加熱装置の回路図、
第2図は従来例の高周波加熱装置の回路図である。
6・・・・・・直流電源、8・・・・・・イ:/バータ
電源回路、14・・・・・・マイクロ波発振器、16・
・・・・・駆動回路9.17・・・・・・低電IE検知
回路。FIG. 1 is a circuit diagram of a high frequency heating device according to an embodiment of the present invention,
FIG. 2 is a circuit diagram of a conventional high frequency heating device. 6...DC power supply, 8...A/verter power supply circuit, 14...Microwave oscillator, 16.
...Drive circuit 9.17 ...Low power IE detection circuit.
Claims (3)
のマイクロ波発振器と、前記直流電源の電力を交流に変
換かつ昇圧整流して前記マイクロ波発振器に電力を供給
するインバータ電源回路と、前記インバータ電源回路の
動作を制御する駆動回路とを備え、前記直流電源の電源
電圧が所定の値より低下すると前記駆動回路の動作を停
止する高周波加熱装置。(1) A DC power supply consisting of a battery, a microwave oscillator such as a magnetron, an inverter power supply circuit that converts the power of the DC power supply into alternating current, step-up rectifies it, and supplies power to the microwave oscillator, and the inverter power supply circuit. and a drive circuit that controls the operation of the DC power supply, and stops the operation of the drive circuit when the power supply voltage of the DC power supply decreases below a predetermined value.
る表示装置を備えた特許請求の範囲第1項記載の高周波
加熱装置。(2) The high-frequency heating device according to claim 1, further comprising a display device that warns of a voltage drop in a DC power source consisting of a battery.
え、前記発電機で直流電源を構成する2次電池を充電す
る特許請求の範囲第1項、または第2項記載の高周波加
熱装置。(3) The high-frequency heating device according to claim 1 or 2, comprising a generator that converts rotation of an internal combustion engine into DC power, and charging a secondary battery constituting a DC power source with the generator. .
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6022990A JPH03263791A (en) | 1990-03-12 | 1990-03-12 | High-frequency heating device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6022990A JPH03263791A (en) | 1990-03-12 | 1990-03-12 | High-frequency heating device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH03263791A true JPH03263791A (en) | 1991-11-25 |
Family
ID=13136136
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6022990A Pending JPH03263791A (en) | 1990-03-12 | 1990-03-12 | High-frequency heating device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH03263791A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020044500A (en) * | 2000-12-06 | 2002-06-15 | 윤종용 | Microwave Oven and Control Method thereof |
-
1990
- 1990-03-12 JP JP6022990A patent/JPH03263791A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020044500A (en) * | 2000-12-06 | 2002-06-15 | 윤종용 | Microwave Oven and Control Method thereof |
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