JPS59135871U

JPS59135871U - welding monitoring device

Info

Publication number: JPS59135871U
Application number: JP15774782U
Authority: JP
Inventors: 勉藤田; 幸男日置; 薫松村
Original assignee: 日立造船株式会社
Priority date: 1982-10-18
Filing date: 1982-10-18
Publication date: 1984-09-11

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

図面は、この考案の溶接監視装置の１実施例を示し、第
１図ａは一部の正面図、同図すは同図ａの右側面図、第
２図はブロック構成図、第３図はモニタ用テレビジョン
受像機に表示されるある状態の映像を示す図、第４図は
演算部により算出された輝度と走査線番号との関係図、
第５図は狭開先内の溶接「−チの状態を示す平面図、第
６図はモニタ用テレビジョン受像機に表示される他ノ状
態の映像を示す図である。３・・・管相貫継手、４・−・狭開先、６・・・溶接ト
ーチ、８・・・オプティカルファイバ、１０・・・赤外
線フィルタ、１２・・・工業用テレビジョンカメラ、１
４・・・処理部、１５・・・溶接線、１６・・・モニタ
用テレビジョン受像機。　　゛The drawings show one embodiment of the welding monitoring device of this invention, and FIG. 1a is a partial front view, the same figure is a right side view of the same figure a, FIG. 2 is a block diagram, and FIG. 3 4 is a diagram showing an image in a certain state displayed on a monitor television receiver, FIG. 4 is a diagram showing the relationship between the brightness calculated by the calculation unit and the scanning line number,
Fig. 5 is a plan view showing a state of welding in a narrow gap, and Fig. 6 is a diagram showing an image of another state displayed on a monitor television receiver. Mutual joint, 4... Narrow gap, 6... Welding torch, 8... Optical fiber, 10... Infrared filter, 12... Industrial television camera, 1
4... Processing section, 15... Welding line, 16... Television receiver for monitor.゛

Claims

[Scope of utility model registration request]

an optical fiber that is attached to a welding torch that moves within a narrow gap formed in a weld joint and monitors the weld within the narrow gap; and an optical fiber that is connected to the seven eyeglasses and images the weld through the fiber. an industrial television camera having sensitivity in the infrared region; an infrared filter detachably provided between the fiber and the camera; and an infrared filter connected to the camera and displaying an image of the welded part captured by the camera. A welding monitoring device equipped with a television receiver for monitoring.