JPS6454241A - Detection of existing state of contact piece in internal surface of object to be inspected - Google Patents
Detection of existing state of contact piece in internal surface of object to be inspectedInfo
- Publication number
- JPS6454241A JPS6454241A JP62209311A JP20931187A JPS6454241A JP S6454241 A JPS6454241 A JP S6454241A JP 62209311 A JP62209311 A JP 62209311A JP 20931187 A JP20931187 A JP 20931187A JP S6454241 A JPS6454241 A JP S6454241A
- Authority
- JP
- Japan
- Prior art keywords
- inspected
- infrared
- camera head
- pipe
- contact piece
- 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
Links
Landscapes
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
PURPOSE:To enable detection of an infrared image of a state of existence of a contact piece existing in contact with the internal surface of an object to be inspected, by heating or cooling the object being inspected quickly from the outer surface thereof to take the object with an infrared camera. CONSTITUTION:An infrared camera head 4 of an infrared video device 3 is directed to the outer surface of a packed pipe column 1 as piping to be inspected from one way. Then, the outer surface of the packed pipe column 1 held in a screen of a monitor TV 6 is heated quickly with a heater 7 in a photography range thereof and in the perimeter of the range. Then, immediately after the quick heating, it is taken with the camera head 4 in the photography range heated. As the outer surface of a pipe is deprived of heat from the inner surface side thereof at a portion 1b of the pipe wall with a cavity 8 near the inner surface thereof in contact with a concrete 2 less than at the portion 1a thereof without the cavity 8. A difference in thermal effect appears as temperature difference in the outer surface of the pipe depending on a difference of a packing state - how the concrete 2 contacts the inner surface of the packed pipe column 1. Thus, photographing with the infrared camera head 4 enables projection of the packing state on a monitor TV 6 or the like as infrared image.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62209311A JPS6454241A (en) | 1987-08-25 | 1987-08-25 | Detection of existing state of contact piece in internal surface of object to be inspected |
US07/229,835 US4886370A (en) | 1987-08-25 | 1988-08-08 | Method for detecting a state of substance existing in pipe |
DE8888113014T DE3878514T2 (en) | 1987-08-25 | 1988-08-10 | METHOD FOR DETERMINING THE STATE OF A SUBSTANCE IN A TUBE. |
CA000574347A CA1294018C (en) | 1987-08-25 | 1988-08-10 | Method for detecting a state of substance existing in pipe |
EP88113014A EP0307619B1 (en) | 1987-08-25 | 1988-08-10 | Method for detecting a state of substance existing in pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62209311A JPS6454241A (en) | 1987-08-25 | 1987-08-25 | Detection of existing state of contact piece in internal surface of object to be inspected |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6454241A true JPS6454241A (en) | 1989-03-01 |
Family
ID=16570854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62209311A Pending JPS6454241A (en) | 1987-08-25 | 1987-08-25 | Detection of existing state of contact piece in internal surface of object to be inspected |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6454241A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018016983A (en) * | 2016-07-26 | 2018-02-01 | 公益財団法人鉄道総合技術研究所 | Damage estimation method for concrete-filled steel pipe column and damage estimation device for concrete-filled steel pipe column |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4889783A (en) * | 1972-02-25 | 1973-11-22 | ||
JPS61120950A (en) * | 1984-11-19 | 1986-06-09 | Shimadzu Corp | Inspection for inside of piping |
-
1987
- 1987-08-25 JP JP62209311A patent/JPS6454241A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4889783A (en) * | 1972-02-25 | 1973-11-22 | ||
JPS61120950A (en) * | 1984-11-19 | 1986-06-09 | Shimadzu Corp | Inspection for inside of piping |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018016983A (en) * | 2016-07-26 | 2018-02-01 | 公益財団法人鉄道総合技術研究所 | Damage estimation method for concrete-filled steel pipe column and damage estimation device for concrete-filled steel pipe column |
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