JPH0297965U - - Google Patents

Info

Publication number
JPH0297965U
JPH0297965U JP445689U JP445689U JPH0297965U JP H0297965 U JPH0297965 U JP H0297965U JP 445689 U JP445689 U JP 445689U JP 445689 U JP445689 U JP 445689U JP H0297965 U JPH0297965 U JP H0297965U
Authority
JP
Japan
Prior art keywords
welding
electrode
photocoupler
detection circuit
arc
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
JP445689U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP445689U priority Critical patent/JPH0297965U/ja
Publication of JPH0297965U publication Critical patent/JPH0297965U/ja
Pending legal-status Critical Current

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  • Arc Welding Control (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本考案の一実施例に係る溶着検出回路
を示す図、第2図はアーク溶接機のブロツク説明
図、第3図は上記回路の作用を示す説明図である
。 1……NC装置、2……溶接電源回路、3……
電極、5……溶着検出回路、10……フイルタ回
路、11……フオトアイソレータ、12……NC
入力回路。
FIG. 1 is a diagram showing a welding detection circuit according to an embodiment of the present invention, FIG. 2 is an explanatory diagram of a block of an arc welding machine, and FIG. 3 is an explanatory diagram showing the operation of the above circuit. 1...NC device, 2...Welding power supply circuit, 3...
Electrode, 5... Welding detection circuit, 10... Filter circuit, 11... Photo isolator, 12... NC
input circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 溶接電源に接続されたワークと電極との間でア
ーク放電を行いつつ溶接するアーク溶接機の溶着
検出回路において、前記ワークと電極との間に印
加される電圧を適宜フイルタ回路を介してホトカ
プラの発光素子に入力し、該ホトカプラの出力断
により溶着信号を出力することを特徴とするアー
ク溶接機の溶着検出回路。
In the welding detection circuit of an arc welding machine that performs arc discharge between a workpiece connected to a welding power source and an electrode, the voltage applied between the workpiece and the electrode is appropriately controlled by a photocoupler through a filter circuit. 1. A welding detection circuit for an arc welding machine, characterized in that a welding signal is input to a light emitting element and outputs a welding signal when the output of the photocoupler is cut off.
JP445689U 1989-01-20 1989-01-20 Pending JPH0297965U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP445689U JPH0297965U (en) 1989-01-20 1989-01-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP445689U JPH0297965U (en) 1989-01-20 1989-01-20

Publications (1)

Publication Number Publication Date
JPH0297965U true JPH0297965U (en) 1990-08-03

Family

ID=31206986

Family Applications (1)

Application Number Title Priority Date Filing Date
JP445689U Pending JPH0297965U (en) 1989-01-20 1989-01-20

Country Status (1)

Country Link
JP (1) JPH0297965U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5997770A (en) * 1982-11-27 1984-06-05 Matsushita Electric Ind Co Ltd Device for preventive short circuit of electrode

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5997770A (en) * 1982-11-27 1984-06-05 Matsushita Electric Ind Co Ltd Device for preventive short circuit of electrode

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