JPH0364496U - - Google Patents
Info
- Publication number
- JPH0364496U JPH0364496U JP12493089U JP12493089U JPH0364496U JP H0364496 U JPH0364496 U JP H0364496U JP 12493089 U JP12493089 U JP 12493089U JP 12493089 U JP12493089 U JP 12493089U JP H0364496 U JPH0364496 U JP H0364496U
- Authority
- JP
- Japan
- Prior art keywords
- heater
- circuit
- temperature
- trigger diode
- capacitor
- 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
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Resistance Heating (AREA)
- Emergency Protection Circuit Devices (AREA)
Description
第１図は本考案の一実施例の安全回路の回路図
、第２図は従来の安全回路の回路図である。
１……制御極付電力制御素子、２……ヒータ、
３……温度センサー、４……コンデンサ１、５…
…トリガダイオード、６……電流ヒユーズ、７…
…定電圧素子、８……抵抗１、９……可変抵抗、
１０……抵抗２。
FIG. 1 is a circuit diagram of a safety circuit according to an embodiment of the present invention, and FIG. 2 is a circuit diagram of a conventional safety circuit. 1... Power control element with control pole, 2... Heater,
3... Temperature sensor, 4... Capacitor 1, 5...
...Trigger diode, 6...Current fuse, 7...
... Constant voltage element, 8 ... Resistor 1, 9 ... Variable resistor,
10...Resistance 2.
Claims (1)
ンサーと、この温度センサーと並列に抵抗とコン
デンサを直列接続した回路を温度設定用の可変抵
抗を介して接続した温度検出回路と、前記ヒータ
を通電制御する制御極付電力制御素子と、前記制
御極付電力制御素子の制御極から電流ヒユーズを
介してトリガーダイオードの一端と接続しトリガ
ーダイオードの他端を前記コンデンサと接続した
トリガー回路とを備え、前記電流ヒユーズとトリ
ガーダイオードの接続点と電源の一端に定電圧素
子を接続した安全回路。 A heater, a temperature sensor that detects the temperature of the heater, a temperature detection circuit that includes a circuit in which a resistor and a capacitor are connected in series in parallel with the temperature sensor via a variable resistor for temperature setting, and controls energization of the heater. and a trigger circuit in which the control pole of the power control element with a control pole is connected to one end of a trigger diode via a current fuse, and the other end of the trigger diode is connected to the capacitor. A safety circuit with a constant voltage element connected to the connection point of the current fuse and trigger diode and one end of the power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12493089U JPH0739194Y2 (en) | 1989-10-24 | 1989-10-24 | Safety circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12493089U JPH0739194Y2 (en) | 1989-10-24 | 1989-10-24 | Safety circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0364496U true JPH0364496U (en) | 1991-06-24 |
| JPH0739194Y2 JPH0739194Y2 (en) | 1995-09-06 |
Family
ID=31672824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12493089U Expired - Fee Related JPH0739194Y2 (en) | 1989-10-24 | 1989-10-24 | Safety circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0739194Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100693948B1 (en) * | 2005-08-09 | 2007-03-13 | 동성해양개발 주식회사 | A woods of the bottom of sea using artificial seaweeds |
| JP2019133848A (en) * | 2018-01-31 | 2019-08-08 | キヤノン株式会社 | Triac drive circuit and fixing device |
-
1989
- 1989-10-24 JP JP12493089U patent/JPH0739194Y2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100693948B1 (en) * | 2005-08-09 | 2007-03-13 | 동성해양개발 주식회사 | A woods of the bottom of sea using artificial seaweeds |
| JP2019133848A (en) * | 2018-01-31 | 2019-08-08 | キヤノン株式会社 | Triac drive circuit and fixing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0739194Y2 (en) | 1995-09-06 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |