JPS6461652A - Corrosion measuring instrument for pipe inside - Google Patents

Corrosion measuring instrument for pipe inside

Info

Publication number
JPS6461652A
JPS6461652A JP21847287A JP21847287A JPS6461652A JP S6461652 A JPS6461652 A JP S6461652A JP 21847287 A JP21847287 A JP 21847287A JP 21847287 A JP21847287 A JP 21847287A JP S6461652 A JPS6461652 A JP S6461652A
Authority
JP
Japan
Prior art keywords
corrosion
infrared
pipe
infrared sensor
internal wall
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
JP21847287A
Other languages
Japanese (ja)
Inventor
Hideo Takada
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.)
JAPAN SENSOR CORP
JAPAN SENSOR CORP KK
Original Assignee
JAPAN SENSOR CORP
JAPAN SENSOR CORP KK
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 JAPAN SENSOR CORP, JAPAN SENSOR CORP KK filed Critical JAPAN SENSOR CORP
Priority to JP21847287A priority Critical patent/JPS6461652A/en
Publication of JPS6461652A publication Critical patent/JPS6461652A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/954—Inspecting the inner surface of hollow bodies, e.g. bores

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)

Abstract

PURPOSE:To secure the detection of occurring corrosion by guiding infrared rays from the internal wall of a pipe which is heated by a heater to an infrared sensor, and controlling the path of the infrared ray between the pipe inside and infrared sensor and scanning the pipe inside. CONSTITUTION:The unit formed by coupling a wire 50, a heater part 20, a scanning part 30, and a fiber part 40 is inserted into the pipe 10 and moved in the pipe 10 while rotated at an equal speed; and the internal wall is heated under uniform conditions and the infrared ray from the internal wall 11 is guided to the infrared sensor by a mirror 33 and the optical fiber 43. A corrosion part after heating is smaller in heat capacity than a part where no corrosion is caused, so the temperature is higher and the infrared-ray radiation quantity is larger. Then the output of the infrared sensor when the corrosion part is scanned becomes larger than the output corresponding to the part where no corrosion exits and the corrosion part is securely detected according to the output of the infrared sensor.
JP21847287A 1987-09-01 1987-09-01 Corrosion measuring instrument for pipe inside Pending JPS6461652A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21847287A JPS6461652A (en) 1987-09-01 1987-09-01 Corrosion measuring instrument for pipe inside

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21847287A JPS6461652A (en) 1987-09-01 1987-09-01 Corrosion measuring instrument for pipe inside

Publications (1)

Publication Number Publication Date
JPS6461652A true JPS6461652A (en) 1989-03-08

Family

ID=16720456

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21847287A Pending JPS6461652A (en) 1987-09-01 1987-09-01 Corrosion measuring instrument for pipe inside

Country Status (1)

Country Link
JP (1) JPS6461652A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106841303A (en) * 2016-12-30 2017-06-13 爱德森（厦门）电子有限公司 A kind of detection means and method of compound pipeline complex pipeline lined ceramicses layer quality
CN118376630A (en) * 2024-06-25 2024-07-23 呼和浩特中燃城市燃气发展有限公司 Natural gas pipeline corrosion defect detection device and method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106841303A (en) * 2016-12-30 2017-06-13 爱德森（厦门）电子有限公司 A kind of detection means and method of compound pipeline complex pipeline lined ceramicses layer quality
CN106841303B (en) * 2016-12-30 2020-07-28 爱德森（厦门）电子有限公司 Device and method for detecting quality of composite pipeline lining ceramic layer
CN118376630A (en) * 2024-06-25 2024-07-23 呼和浩特中燃城市燃气发展有限公司 Natural gas pipeline corrosion defect detection device and method thereof

Similar Documents

Publication Publication Date Title
TW328111B (en) Infrared thermometer
EP0703036A3 (en)
ES8304305A1 (en) Device for measuring the temperature along the inner surfaces of flues of coking ovens.
EP0458388A1 (en) Method and device for measuring temperature radiation using a pyrometer wherein compensation lamps are used
JPS6461652A (en) Corrosion measuring instrument for pipe inside
DE3169090D1 (en) Apparatus for measuring the deformation of a heated material and its use in determining the wetting ability of resins
CA2058904A1 (en) Apparatus for measuring heating temperature in high electric field of microwaves
JPS62105419A (en) Temperature controlling method for diffusing device
JPS5760362A (en) Toner image fixing device
JPH05507356A (en) Object temperature measurement method and device and heating method
JPS5517083A (en) Cooking device
JPS5689031A (en) Method and device for measuring temperature of seam part or the like
JPS57171251A (en) Diagnosis of peeling of wall surface finishing material
JPS61279121A (en) Diffusing device
JPS5484779A (en) Black body furnace
JPS5752845A (en) Method of measuring stability of glass raw material for optical fiber
JPS57161624A (en) Optical temperature sensor
JPS56129827A (en) Detecting method for temperature of object
JPS61178624A (en) Method and apparatus for measuring surface temperature
JPS5555227A (en) Light sensor
JPS56166435A (en) Radiation thermometer
GUPTA et al. Broadband optical radiation detector[Patent]
JPS5556641A (en) Semiconductor chip temperature controller
JPS57207207A (en) Cooler for optical fiber bundle for illumination
JPS61191529A (en) Method for transparent vitrification of porous glass base material