JPH0328691U - - Google Patents
Info
- Publication number
- JPH0328691U JPH0328691U JP8992989U JP8992989U JPH0328691U JP H0328691 U JPH0328691 U JP H0328691U JP 8992989 U JP8992989 U JP 8992989U JP 8992989 U JP8992989 U JP 8992989U JP H0328691 U JPH0328691 U JP H0328691U
- Authority
- JP
- Japan
- Prior art keywords
- heating element
- temperature sensor
- thyristor
- power source
- sensor attached
- 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
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の実施例を示す回路図、第２図
は従来例を示す回路図である。
１１……商用交流電源、１２，１４……単方向
性３端子サイリスタ、１３，１５……発熱体、１
６，１７……温度センサー、１９……制御回路。
FIG. 1 is a circuit diagram showing an embodiment of the present invention, and FIG. 2 is a circuit diagram showing a conventional example. 11... Commercial AC power supply, 12, 14... Unidirectional 3-terminal thyristor, 13, 15... Heating element, 1
6, 17...Temperature sensor, 19...Control circuit.
Claims (1)
サイリスタを介して接続された第１の発熱体と、
前記電源に前記第１のサイリスタとはその電源に
対して逆極性な第２の単方向性３端子サイリスタ
を介して接続された第２の発熱体と、前記第１の
発熱体に添設された第１の温度センサー並びに前
記第２の発熱体に添設された第２の温度センサー
と、前記第１の温度センサーからの温度検出信号
に基いて前記第１のサイイスタを制御して前記第
１の発熱体への電力供給制御を行うとともに前記
第２の温度センサーからの温度検出信号に基いて
前記第２のサイリスタを制御して前記第２の発熱
体への電力供給制御を行う制御回路を設けた温度
制御装置。 an AC power source; a first heating element connected to the power source via a first unidirectional three-terminal thyristor;
a second heating element connected to the power source via a second unidirectional three-terminal thyristor having a polarity opposite to that of the first thyristor; and a second heating element attached to the first heating element. a first temperature sensor attached to the second heating element, a second temperature sensor attached to the second heating element, and a second temperature sensor attached to the second heating element; a control circuit that controls power supply to the first heating element and controls the second thyristor based on a temperature detection signal from the second temperature sensor to control power supply to the second heating element; Temperature control device equipped with
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8992989U JPH0328691U (en) | 1989-07-31 | 1989-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8992989U JPH0328691U (en) | 1989-07-31 | 1989-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0328691U true JPH0328691U (en) | 1991-03-22 |
Family
ID=31639479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8992989U Pending JPH0328691U (en) | 1989-07-31 | 1989-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0328691U (en) |
-
1989
- 1989-07-31 JP JP8992989U patent/JPH0328691U/ja active Pending