JPS5534733A - Temperature control circuit - Google Patents
Temperature control circuitInfo
- Publication number
- JPS5534733A JPS5534733A JP10723878A JP10723878A JPS5534733A JP S5534733 A JPS5534733 A JP S5534733A JP 10723878 A JP10723878 A JP 10723878A JP 10723878 A JP10723878 A JP 10723878A JP S5534733 A JPS5534733 A JP S5534733A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- triode
- thermistor
- switch
- thermostat
- 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
Landscapes
- Control Of Resistance Heating (AREA)
- Control Of Temperature (AREA)
Abstract
PURPOSE: To make a rise characteristic good in a simple constitution by triggerring a triode AC switch in an early phase at a start time and heating it up to a set temperature rapidly in a short time and controlling it to a fixed temperature.
CONSTITUTION: Triode AC switch 2 and heater 3 are connected in series to AC power source 1, and the output of full-wave rectifier diode 4 is clipped by Zener diode 5. When thermostat 9 is turned off at a start time, the gate side of Put 12 becomes a voltage divided by resistances 7 and 14, and this voltage becomes fixed because thermistor 6 is not connected; and if this voltage is set to a low value, triode AC switch 2 can be triggerred in an early phase. When thermostat 9 is closed, thermistor 6 is connected in parallel to resistance 14, and the gate-side voltage of Put 12 rises, and the temperature is controlled by thermistor 6.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10723878A JPS5534733A (en) | 1978-08-31 | 1978-08-31 | Temperature control circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10723878A JPS5534733A (en) | 1978-08-31 | 1978-08-31 | Temperature control circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5534733A true JPS5534733A (en) | 1980-03-11 |
Family
ID=14453976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10723878A Pending JPS5534733A (en) | 1978-08-31 | 1978-08-31 | Temperature control circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5534733A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58134893U (en) * | 1982-03-08 | 1983-09-10 | 株式会社 八光電機製作所 | Sheathed heater with overheating prevention |
-
1978
- 1978-08-31 JP JP10723878A patent/JPS5534733A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58134893U (en) * | 1982-03-08 | 1983-09-10 | 株式会社 八光電機製作所 | Sheathed heater with overheating prevention |
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