JPS6281216U - - Google Patents
Info
- Publication number
- JPS6281216U JPS6281216U JP17208985U JP17208985U JPS6281216U JP S6281216 U JPS6281216 U JP S6281216U JP 17208985 U JP17208985 U JP 17208985U JP 17208985 U JP17208985 U JP 17208985U JP S6281216 U JPS6281216 U JP S6281216U
- Authority
- JP
- Japan
- Prior art keywords
- heater
- heat
- relay contact
- sensitive thyristor
- resistor
- 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 5
Description
第１図はこの考案の実施例を示す回路図、第２
図は同実施例の配線構成を示す図、第３図は同実
施例におけるヒータ制御動作を示す波形図、第４
図は従来におけるヒータ制御動作を示す波形図で
ある。
２……第１のリレー、２ｍ……第１のリレーの
常開接点、３……ヒータ、４……第２のリレー、
４ｍ……第２のリレーの常開接点、４ｂ……第２
のリレーの常閉接点、１５……ＮＰＮ形のトラン
ジスタ、２５……第２のコンパレータ、２７……
第１の感熱サイリスタ、３２……抵抗、３３……
可変抵抗、３４……抵抗、４８……ヒータ制御回
路。
Figure 1 is a circuit diagram showing an embodiment of this invention, Figure 2 is a circuit diagram showing an embodiment of this invention.
3 is a diagram showing the wiring configuration of the same embodiment, FIG. 3 is a waveform diagram showing the heater control operation in the same embodiment, and FIG.
The figure is a waveform diagram showing a conventional heater control operation. 2...First relay, 2m...Normally open contact of the first relay, 3...Heater, 4...Second relay,
4m...Normally open contact of the second relay, 4b...Second
normally closed contact of the relay, 15... NPN type transistor, 25... second comparator, 27...
First heat-sensitive thyristor, 32...Resistor, 33...
Variable resistor, 34...Resistor, 48...Heater control circuit.
Claims (1)
によつて動作温度が可変され、前記ヒータ又は負
荷の温度を検出して導通動作する感熱サイリスタ
と、この感熱サイリスタの非導通時リレー接点を
オン動作して前記ヒータへの通電を行ない、かつ
前記感熱サイリスタの導通時リレー接点をオフ動
作して前記ヒータへの通電を停止制御するヒータ
制御回路と、前記感熱サイリスタのゲート電流を
調整する可変抵抗を含む抵抗回路と、前記ヒータ
制御回路による前記ヒータへの通電停止制御時リ
レー接点のオン動作によつて前記抵抗回路の一部
又は全部に並列に接続される抵抗とを具備してな
ることを特徴とする温度制御装置。 A heater that heats a load, a heat-sensitive thyristor whose operating temperature is varied depending on the magnitude of the gate current, and which operates to conduct by detecting the temperature of the heater or the load, and a relay contact that turns on when the heat-sensitive thyristor is non-conducting. a heater control circuit that energizes the heater and turns off a relay contact when the heat-sensitive thyristor is conductive to stop the energization of the heater; and a variable resistor that adjusts the gate current of the heat-sensitive thyristor. and a resistor that is connected in parallel to part or all of the resistor circuit by turning on a relay contact when the heater control circuit controls the heater to stop energizing. temperature control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17208985U JPH0517689Y2 (en) | 1985-11-08 | 1985-11-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17208985U JPH0517689Y2 (en) | 1985-11-08 | 1985-11-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6281216U true JPS6281216U (en) | 1987-05-23 |
| JPH0517689Y2 JPH0517689Y2 (en) | 1993-05-12 |
Family
ID=31108315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17208985U Expired - Lifetime JPH0517689Y2 (en) | 1985-11-08 | 1985-11-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0517689Y2 (en) |
-
1985
- 1985-11-08 JP JP17208985U patent/JPH0517689Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0517689Y2 (en) | 1993-05-12 |
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