JPS5639432A - Measuring apparatus of temperature pattern at welded tube - Google Patents

Measuring apparatus of temperature pattern at welded tube

Info

Publication number
JPS5639432A
JPS5639432A JP11467079A JP11467079A JPS5639432A JP S5639432 A JPS5639432 A JP S5639432A JP 11467079 A JP11467079 A JP 11467079A JP 11467079 A JP11467079 A JP 11467079A JP S5639432 A JPS5639432 A JP S5639432A
Authority
JP
Japan
Prior art keywords
video signal
temperature pattern
picture
high accuracy
arithmetic unit
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
JP11467079A
Other languages
Japanese (ja)
Inventor
Masao Tatsuwaki
Arata Nemoto
Kazuyuki Hotta
Seiichi Okuhara
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.)
SHIGUMA DENSHI KOGYO KK
SIGMA DENSHI KOGYO KK
Nippon Steel Corp
Original Assignee
SHIGUMA DENSHI KOGYO KK
SIGMA DENSHI KOGYO KK
Sumitomo Metal Industries 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 SHIGUMA DENSHI KOGYO KK, SIGMA DENSHI KOGYO KK, Sumitomo Metal Industries Ltd filed Critical SHIGUMA DENSHI KOGYO KK
Priority to JP11467079A priority Critical patent/JPS5639432A/en
Publication of JPS5639432A publication Critical patent/JPS5639432A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/60—Radiation pyrometry, e.g. infrared or optical thermometry using determination of colour temperature

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Radiation Pyrometers (AREA)

Abstract

PURPOSE:To measure a temperature pattern with high accuracy without any influence of the circumference by employing two-color thermometer technics and a picture information processing technics. CONSTITUTION:A collection of optical fiber is used as an image guide 1. An objective end and another end thereof are connected with a welded portion at right angle and an imge photograph apparatus 2 respectively. A video signal VDS output by the image photograph apparatus 2 outputs to a video signal treatment circuit 5 which works the video signal for data treatment together with outputting to a CRT4 for monitor. The video signal treatment circuit 5 feeds a picture signal in the video signal VDS input therein to an arithmetic unit 6. The arithmetic unit 6 consisting of a small type of computer calculates a temperature in each area in turn and obtains a whole temperature pattern of a photographed picture, thereby indicating or recording it with a display, plotter, or the like. Thus, the temperature pattern can be measured with high accuracy without being affected by a surrounding atmosphere.
JP11467079A 1979-09-05 1979-09-05 Measuring apparatus of temperature pattern at welded tube Pending JPS5639432A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11467079A JPS5639432A (en) 1979-09-05 1979-09-05 Measuring apparatus of temperature pattern at welded tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11467079A JPS5639432A (en) 1979-09-05 1979-09-05 Measuring apparatus of temperature pattern at welded tube

Publications (1)

Publication Number Publication Date
JPS5639432A true JPS5639432A (en) 1981-04-15

Family

ID=14643653

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11467079A Pending JPS5639432A (en) 1979-09-05 1979-09-05 Measuring apparatus of temperature pattern at welded tube

Country Status (1)

Country Link
JP (1) JPS5639432A (en)

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