JPS62105512U - - Google Patents
Info
- Publication number
- JPS62105512U JPS62105512U JP1985193522U JP19352285U JPS62105512U JP S62105512 U JPS62105512 U JP S62105512U JP 1985193522 U JP1985193522 U JP 1985193522U JP 19352285 U JP19352285 U JP 19352285U JP S62105512 U JPS62105512 U JP S62105512U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- operational amplifier
- output
- generator
- sensor circuit
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Control Of Temperature (AREA)
Description
第１図は本考案に係る温度表示付温度制御装置
の一実施例を示す回路図、第２図は従来の温度制
御装置を示す回路図、第３図は従来の温度表示付
温度制御装置を示す回路図である。
１：温度センサ回路、２：基準温度発生器、３
：オペアンプ、４：フイードバツク抵抗、５：リ
レー回路、６：マグネツトスイツチ。
Fig. 1 is a circuit diagram showing an embodiment of a temperature control device with a temperature display according to the present invention, Fig. 2 is a circuit diagram showing a conventional temperature control device, and Fig. 3 is a circuit diagram showing a conventional temperature control device with a temperature display. FIG. 1: Temperature sensor circuit, 2: Reference temperature generator, 3
: operational amplifier, 4: feedback resistor, 5: relay circuit, 6: magnetic switch.
Claims (1)
度発生器２と、 前記温度センサ回路の出力電圧Ｖｉｎと前記基
準温度発生器の基準電圧ＶＲとを比較するオペア
ンプ３と、 該オペアンプの出力を前記基準温度発生器側の
該オペアンプの入力にフイードバツクさせるフイ
ードバツク抵抗４と、 前記オペアンプの出力に応じて動作する温度調
節機構５，６と、 温度表示器７と、 前記温度センサ回路の出力および前記基準温度
発生器の出力を前記温度表示器に選択的に接続す
る第１のスイツチ８と、 該第１のスイツチに連動し、前記フイードバツ
ク抵抗の前記オペアンプへの接続をオン、オフす
る第２のスイツチ９と、 を設け、 前記基準温度発生器の出力が前記温度表示器に
接続されたときには前記フイードバツク抵抗の前
記オペアンプへの接続がオフにされるようにした
温度表示付温度表示装置。[Claims for Utility Model Registration] A temperature sensor circuit 1; a reference temperature generator 2 that generates a reference voltage VR indicating a reference temperature; an output voltage Vin of the temperature sensor circuit and a reference voltage VR of the reference temperature generator; an operational amplifier 3 for comparing the operational amplifier; a feedback resistor 4 for feeding back the output of the operational amplifier to the input of the operational amplifier on the reference temperature generator side; a temperature adjustment mechanism 5, 6 that operates according to the output of the operational amplifier; and a temperature display. a first switch 8 selectively connecting the output of the temperature sensor circuit and the output of the reference temperature generator to the temperature indicator; a second switch 9 for turning on and off the connection to the operational amplifier; and when the output of the reference temperature generator is connected to the temperature indicator, the connection of the feedback resistor to the operational amplifier is turned off. A temperature display device with a temperature display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985193522U JPH054011Y2 (en) | 1985-12-18 | 1985-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985193522U JPH054011Y2 (en) | 1985-12-18 | 1985-12-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62105512U true JPS62105512U (en) | 1987-07-06 |
| JPH054011Y2 JPH054011Y2 (en) | 1993-02-01 |
Family
ID=31149621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985193522U Expired - Lifetime JPH054011Y2 (en) | 1985-12-18 | 1985-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH054011Y2 (en) |
-
1985
- 1985-12-18 JP JP1985193522U patent/JPH054011Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH054011Y2 (en) | 1993-02-01 |
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