JPS57182133A - Temperature measuring circuit by temperature measuring resistor - Google Patents

Temperature measuring circuit by temperature measuring resistor

Info

Publication number
JPS57182133A
JPS57182133A JP6727281A JP6727281A JPS57182133A JP S57182133 A JPS57182133 A JP S57182133A JP 6727281 A JP6727281 A JP 6727281A JP 6727281 A JP6727281 A JP 6727281A JP S57182133 A JPS57182133 A JP S57182133A
Authority
JP
Japan
Prior art keywords
resistor
temperature measuring
electric current
potential
resistance
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
JP6727281A
Other languages
Japanese (ja)
Other versions
JPS625291B2 (en
Inventor
Kenji Yamaguchi
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.)
Yokogawa Electric Corp
Original Assignee
Hokushin Electric Works Ltd
Yokogawa Hokushin Electric Corp
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 Hokushin Electric Works Ltd, Yokogawa Hokushin Electric Corp filed Critical Hokushin Electric Works Ltd
Priority to JP6727281A priority Critical patent/JPS57182133A/en
Publication of JPS57182133A publication Critical patent/JPS57182133A/en
Publication of JPS625291B2 publication Critical patent/JPS625291B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
    • G01K7/18—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer
    • G01K7/20—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer in a specially-adapted circuit, e.g. bridge circuit

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Measurement Of Resistance Or Impedance (AREA)

Abstract

PURPOSE:To measure temperature with high accuracy by controlling regardless of change in resistance of an electric current that flows through the temperature measuring resistor body of a bridge, which has this temperature measuring resist or on its one side. CONSTITUTION:A resistance bridge that consists of resistors 1 and 2 for setting measurement electric current and a temperature measuring resistance 3 and a zero-suppression resistor 4 is provided with a means 17 that controls so as to make the potential of the joint A of the resistor 2 for setting measurement electric current and the zero suppression resistor 4 always the same as the potential of a standard potential point D, and at the same time the potential of the joint B of the resistor 1 for setting measurement electric current is amplified by an amplifier 19 that has a positive feedback resistance 18. Accordingly the electric current that flows through the resistor 3 is always constant, and there occurs no error caused by drop in the voltage in the lead wire 6 due to change in the measurement current.
JP6727281A 1981-05-02 1981-05-02 Temperature measuring circuit by temperature measuring resistor Granted JPS57182133A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6727281A JPS57182133A (en) 1981-05-02 1981-05-02 Temperature measuring circuit by temperature measuring resistor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6727281A JPS57182133A (en) 1981-05-02 1981-05-02 Temperature measuring circuit by temperature measuring resistor

Publications (2)

Publication Number Publication Date
JPS57182133A true JPS57182133A (en) 1982-11-09
JPS625291B2 JPS625291B2 (en) 1987-02-04

Family

ID=13340152

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6727281A Granted JPS57182133A (en) 1981-05-02 1981-05-02 Temperature measuring circuit by temperature measuring resistor

Country Status (1)

Country Link
JP (1) JPS57182133A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63229338A (en) * 1987-03-18 1988-09-26 Yokogawa Electric Corp Thermometric circuit
CN111207851A (en) * 2020-01-17 2020-05-29 中国科学院上海技术物理研究所 Six-wire system separated Wheatstone bridge temperature measurement structure and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63229338A (en) * 1987-03-18 1988-09-26 Yokogawa Electric Corp Thermometric circuit
CN111207851A (en) * 2020-01-17 2020-05-29 中国科学院上海技术物理研究所 Six-wire system separated Wheatstone bridge temperature measurement structure and method

Also Published As

Publication number Publication date
JPS625291B2 (en) 1987-02-04

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