JPS59100319U - temperature control circuit - Google Patents

temperature control circuit

Info

Publication number
JPS59100319U
JPS59100319U JP19530282U JP19530282U JPS59100319U JP S59100319 U JPS59100319 U JP S59100319U JP 19530282 U JP19530282 U JP 19530282U JP 19530282 U JP19530282 U JP 19530282U JP S59100319 U JPS59100319 U JP S59100319U
Authority
JP
Japan
Prior art keywords
temperature
rectangular wave
section
temperature control
signal
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
JP19530282U
Other languages
Japanese (ja)
Inventor
田上 謙二
Original Assignee
有限会社エンジニヤリングサ−ビス
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 有限会社エンジニヤリングサ−ビス filed Critical 有限会社エンジニヤリングサ−ビス
Priority to JP19530282U priority Critical patent/JPS59100319U/en
Publication of JPS59100319U publication Critical patent/JPS59100319U/en
Pending legal-status Critical Current

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  • Feedback Control In General (AREA)
  • Control Of Temperature (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第1図は本考案の一実施例を示すブロックダイヤグラム
、第2図はその具体的回路例を示す回路図、第3図は温
度検知部および波形制御部の特性  −の−例を示゛げ
グラフ、第4図は矩形波発振器の特 、性の一例を示す
グラフ、第5図はその出力波形の一例を示す波形図であ
る。 1・・・温度設定部、2・・・温度検出部、3・・・波
形制御部、4・・・矩形波発振器、5・・・スイッチン
グ手段、6・・・ヒータ、11,24.25・・・可変
抵抗器、12.23.32.41・・・演算増幅器、2
1・・・サーミスタ、22,31,33.43〜48・
・・抵抗器、42・・・コンデンサ、51・・・双方向
サイリスタ、52・・・零クロストリガ回路。
Fig. 1 is a block diagram showing an embodiment of the present invention, Fig. 2 is a circuit diagram showing a specific example of the circuit, and Fig. 3 shows an example of the characteristics of the temperature detection section and waveform control section. FIG. 4 is a graph showing an example of the characteristics of a rectangular wave oscillator, and FIG. 5 is a waveform diagram showing an example of its output waveform. DESCRIPTION OF SYMBOLS 1... Temperature setting part, 2... Temperature detection part, 3... Waveform control part, 4... Rectangular wave oscillator, 5... Switching means, 6... Heater, 11, 24.25 ... Variable resistor, 12.23.32.41 ... Operational amplifier, 2
1... Thermistor, 22, 31, 33. 43-48.
...Resistor, 42...Capacitor, 51...Bidirectional thyristor, 52...Zero cross trigger circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 温度の変化を電気信号に変換する温度検出部と、設定温
度を調整するための温度設定部と、温度検出部よりの信
号が設定温度の近傍になるとその出力が急激に変化する
波形制御部と、この波形制御部の出力信号のレベルに対
応してデユーティが変化する矩形波信号を発振する矩形
波発振器と、この矩形波信号に応動してオン・オフする
スイッチング手段とを備えて成る温度制御面路。
A temperature detection section that converts temperature changes into electrical signals, a temperature setting section that adjusts the set temperature, and a waveform control section whose output changes rapidly when the signal from the temperature detection section approaches the set temperature. , a temperature control device comprising a rectangular wave oscillator that oscillates a rectangular wave signal whose duty changes in accordance with the level of the output signal of the waveform control section, and a switching means that turns on and off in response to the rectangular wave signal. Omodo.
JP19530282U 1982-12-25 1982-12-25 temperature control circuit Pending JPS59100319U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19530282U JPS59100319U (en) 1982-12-25 1982-12-25 temperature control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19530282U JPS59100319U (en) 1982-12-25 1982-12-25 temperature control circuit

Publications (1)

Publication Number Publication Date
JPS59100319U true JPS59100319U (en) 1984-07-06

Family

ID=30419512

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19530282U Pending JPS59100319U (en) 1982-12-25 1982-12-25 temperature control circuit

Country Status (1)

Country Link
JP (1) JPS59100319U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5690311A (en) * 1979-12-25 1981-07-22 Rika Kogyo Kk Temperature controller

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5690311A (en) * 1979-12-25 1981-07-22 Rika Kogyo Kk Temperature controller

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