JPS59100319U - temperature control circuit - Google Patents
temperature control circuitInfo
- 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
Links
Landscapes
- 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
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)
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.
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5690311A (en) * | 1979-12-25 | 1981-07-22 | Rika Kogyo Kk | Temperature controller |
-
1982
- 1982-12-25 JP JP19530282U patent/JPS59100319U/en active Pending
Patent Citations (1)
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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