JPS5534733A - Temperature control circuit - Google Patents

Temperature control circuit

Info

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
Application number
JP10723878A
Other languages
Japanese (ja)
Inventor
Kaoru Furukawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP10723878A priority Critical patent/JPS5534733A/en
Publication of JPS5534733A publication Critical patent/JPS5534733A/en
Pending legal-status Critical Current

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
JP10723878A 1978-08-31 1978-08-31 Temperature control circuit Pending JPS5534733A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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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