JPS58173192U

JPS58173192U - High frequency heating device

Info

Publication number: JPS58173192U
Application number: JP2601583U
Authority: JP
Inventors: 淳三田中; 寛寺崎
Original assignee: 松下電器産業株式会社
Priority date: 1983-02-24
Filing date: 1983-02-24
Publication date: 1983-11-19

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

[Brief explanation of the drawing]

第１図は本考案の一実施例にかかる高周波加熱装置の断
面図、第２図は同装置の発信器と温度検出器の断面図、
第３図は同装置の電気回路図、第４図は同装置の発信器
部の電気回路図である。２・・・・・・加熱室、９・・・・・・高周波発振器、
１３・・・・・・温度検出器、１５・・・・・・サーミ
スタ、１６・・・・・・発信器、１８・・・・・・定電
圧供給器、１９・・・・・・可変抵抗器、２０・・・・
・・ツマミ、２１・・・・・・操作軸、２２・・・・・
・ダイオード、２３・・・・・・アンテナ、２４′・・
・・・・受信器、２７＝・・・・・出力制御器、４１・
・・・・・スタガ増幅回路。FIG. 1 is a cross-sectional view of a high-frequency heating device according to an embodiment of the present invention, and FIG. 2 is a cross-sectional view of the transmitter and temperature detector of the same device.
FIG. 3 is an electric circuit diagram of the same device, and FIG. 4 is an electric circuit diagram of the transmitter section of the same device. 2... Heating chamber, 9... High frequency oscillator,
13... Temperature detector, 15... Thermistor, 16... Transmitter, 18... Constant voltage supply device, 19... Variable Resistor, 20...
...Knob, 21...Operation axis, 22...
・Diode, 23...Antenna, 24'...
...Receiver, 27 = ...Output controller, 41.
...Staggered amplifier circuit.

Claims

[Scope of utility model registration request]

(1) A heating chamber, a high-frequency oscillator that supplies high-frequency electromagnetic waves to the heating chamber, a wireless temperature detection means for detecting the temperature of the heated object placed in the heating chamber, and a wireless temperature detection means for detecting the temperature of the heated object placed in the heating chamber; output control means for controlling the output of the high-frequency oscillator in accordance with the temperature of the object to be heated, and the temperature detection means includes a detector for detecting the temperature of the object to be heated; A high-frequency heating device includes a transmitter that emits electromagnetic waves depending on the temperature, and a receiver that receives the electromagnetic waves from the transmitter.

(2) The high-frequency heating device according to claim 1, wherein the receiver includes a high-frequency amplification section, and the high-frequency amplification section is constituted by a staggered amplification circuit.

(3) The high-frequency heating device according to claim 1, wherein the transmitter of the temperature detecting means performs a transmitting operation when the temperature of the object to be heated reaches a predetermined value.

(4) The high-frequency heating device according to claim 1, wherein the transmitter is provided with a variable means for varying the operation start temperature.

(5) The variable means of the transmitter includes a variable resistor and a knob for operating the variable resistor from outside the main body, and the knob and the variable resistor are connected by a dielectric operating shaft. Claims for Utility Model Registration The high frequency heating device according to item 4.

(6) The transmitter operates by amplifying a signal corresponding to the set temperature by the variable means and a signal corresponding to the detected temperature by the temperature detecting means using a differential amplifier circuit. high frequency heating device.

(7) The high-frequency heating device according to claim 1, wherein the oscillator rectifies high-frequency electromagnetic waves supplied from a high-frequency oscillator using a diode to provide a power source.

(8) The high-frequency heating device according to claim 7, which uses rectified waves from a diode as a power source for an oscillator via a constant voltage circuit.

(9) The high-frequency heating device according to claim 7, wherein the high-frequency oscillator continuously supplies at least a small amount of high-frequency electromagnetic waves during the cooking time.