JPS6380613U - - Google Patents
Info
- Publication number
- JPS6380613U JPS6380613U JP17421186U JP17421186U JPS6380613U JP S6380613 U JPS6380613 U JP S6380613U JP 17421186 U JP17421186 U JP 17421186U JP 17421186 U JP17421186 U JP 17421186U JP S6380613 U JPS6380613 U JP S6380613U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- temperature
- control circuit
- temperature transducer
- input terminal
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Temperature (AREA)
Description
第１図は本考案の温度制御回路の一実施例を示
す回路図、第２図は従来の温度制御回路の一例を
示す回路図である。
１……温度トランスデユーサ（ＴＤ）、２，４
，５，６，９……抵抗（Ｒ）、３……電圧コンパ
レータ（ＣＭＰ）、７……ヒーター（Ｈ）、８…
…トランジスタ（ＴＲ）。
FIG. 1 is a circuit diagram showing an embodiment of the temperature control circuit of the present invention, and FIG. 2 is a circuit diagram showing an example of a conventional temperature control circuit. 1... Temperature transducer (TD), 2, 4
, 5, 6, 9... Resistor (R), 3... Voltage comparator (CMP), 7... Heater (H), 8...
...Transistor (TR).
Claims (1)
サと、一端に電源電圧を供給された前記温度トラ
ンスデユーサと直列に接続され一端が接地される
抵抗と、第１の入力端子が前記温度トランスデユ
ーサと前記抵抗との接続点に接続された電圧コン
パレータとを備え、前記電圧コンパレータの第２
の入力端子にはこの電圧コンパレータ出力のハイ
、ローに応じて異なる値の２つの基準電圧を与え
る基準電圧源を接続してなることを特徴とする温
度制御回路。 a temperature transducer that converts a temperature value into a current value; a resistor that is connected in series with the temperature transducer and whose one end is grounded; and a resistor whose first input terminal is connected to the temperature transducer; a voltage comparator connected to a connection point between the user and the resistor;
A temperature control circuit characterized in that the input terminal of the temperature control circuit is connected to a reference voltage source that provides two reference voltages having different values depending on whether the output of the voltage comparator is high or low.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17421186U JPS6380613U (en) | 1986-11-12 | 1986-11-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17421186U JPS6380613U (en) | 1986-11-12 | 1986-11-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6380613U true JPS6380613U (en) | 1988-05-27 |
Family
ID=31112390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17421186U Pending JPS6380613U (en) | 1986-11-12 | 1986-11-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6380613U (en) |
-
1986
- 1986-11-12 JP JP17421186U patent/JPS6380613U/ja active Pending