JPS54113788A - Temperature control circuit - Google Patents

Temperature control circuit

Info

Publication number
JPS54113788A
JPS54113788A JP2138178A JP2138178A JPS54113788A JP S54113788 A JPS54113788 A JP S54113788A JP 2138178 A JP2138178 A JP 2138178A JP 2138178 A JP2138178 A JP 2138178A JP S54113788 A JPS54113788 A JP S54113788A
Authority
JP
Japan
Prior art keywords
partial pressure
thermistor
temperature
pressure circuit
circuit
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
Application number
JP2138178A
Other languages
Japanese (ja)
Other versions
JPS6338722B2 (en
Inventor
Toru Shimomura
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.)
Omron Corp
Original Assignee
Omron Tateisi Electronics Co
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 Omron Tateisi Electronics Co filed Critical Omron Tateisi Electronics Co
Priority to JP2138178A priority Critical patent/JPS54113788A/en
Publication of JPS54113788A publication Critical patent/JPS54113788A/en
Publication of JPS6338722B2 publication Critical patent/JPS6338722B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Control Of Combustion (AREA)
  • Control Of Temperature (AREA)

Abstract

PURPOSE: To enlarge a differential, by changing the partial pressure ratio of a partial pressure circuit consisting of a thermistor, a variable resistance, etc. by connecting or separating another resistance to or from said partial pressure circuit in response to the conditions of control transistors.
CONSTITUTION: A partial pressure circuit is arranged by resistances 12, 13, a variable resistance 14 and a thermistor 15 for detecting temperature, ane a partial pressure circuit consisting of resistances 17, 18 for obtaining reference voltage is connected. Both partial pressure circuits are connected to a comparison amplifier 41, and operate a combustion controller 60 through an overheat detecting circuit 50. The thermistor 15 is mounted to a boiler, etc., and resistance values increase when temperature lowers. In this case, temperature signals become higher than reference voltage, the output of an operational amplifier 41 reaches 1, a transistor 42 is in ON and the combustion controller 60 is conducted. When temperature rises, the output of the amplifier 41 is inverted to H, the transistor 42 is in OFF and the conduction of the combustion control circuit 60 is broken.
COPYRIGHT: (C)1979,JPO&Japio
JP2138178A 1978-02-25 1978-02-25 Temperature control circuit Granted JPS54113788A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2138178A JPS54113788A (en) 1978-02-25 1978-02-25 Temperature control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2138178A JPS54113788A (en) 1978-02-25 1978-02-25 Temperature control circuit

Publications (2)

Publication Number Publication Date
JPS54113788A true JPS54113788A (en) 1979-09-05
JPS6338722B2 JPS6338722B2 (en) 1988-08-02

Family

ID=12053504

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2138178A Granted JPS54113788A (en) 1978-02-25 1978-02-25 Temperature control circuit

Country Status (1)

Country Link
JP (1) JPS54113788A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6222103A (en) * 1985-07-23 1987-01-30 Matsushita Electric Works Ltd Temperature control circuit for heater
JPS6266316U (en) * 1985-10-15 1987-04-24
JPH0611372A (en) * 1992-12-18 1994-01-21 Hitachi Ltd Thermal flowmeter

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4842290A (en) * 1971-10-02 1973-06-20
JPS50290A (en) * 1973-05-11 1975-01-06

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4842290A (en) * 1971-10-02 1973-06-20
JPS50290A (en) * 1973-05-11 1975-01-06

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6222103A (en) * 1985-07-23 1987-01-30 Matsushita Electric Works Ltd Temperature control circuit for heater
JPS6266316U (en) * 1985-10-15 1987-04-24
JPH0611372A (en) * 1992-12-18 1994-01-21 Hitachi Ltd Thermal flowmeter

Also Published As

Publication number Publication date
JPS6338722B2 (en) 1988-08-02

Similar Documents

Publication Publication Date Title
KR830003043A (en) Boiler Level Control System
JPS54113788A (en) Temperature control circuit
JPS56121870A (en) Preheating controller for diesel engine
JPS5582252A (en) Water heater
JPS57119249A (en) Humidity sensor control circuit
JPS54109523A (en) Air fuel ratio controller
JPS5380944A (en) Semiconductor circuit
JPS559291A (en) Temperature control unit
JPS53984A (en) Integrated circuit element
JPS5473220A (en) Controller
JPS5496850A (en) Boiler controller
JPS5387031A (en) Combustion regulating device
JPS5510680A (en) Temperature controller
JPS557659A (en) Sensor of differential distribution type
JPS5288794A (en) Temperature and humidity control element
KR910003332A (en) Temperature controller of hot water heater
JPS5240990A (en) Semiconductor switching device
JPS5378877A (en) Cleaning control system for temperature sensor
JPS52134933A (en) Auto-choke type carbureter
JPS5536956A (en) Pressure sensitive apparatus
JPS5782648A (en) Temperature control device for hot water boiler
JPS5455284A (en) Control circuit for temperature detecting
JPS5579928A (en) Water kettle
JPS5669557A (en) Air flow switch using thermister
JPS5671116A (en) Temperature control device