JPS59180855U - AC TIG welding equipment - Google Patents
AC TIG welding equipmentInfo
- Publication number
- JPS59180855U JPS59180855U JP7542783U JP7542783U JPS59180855U JP S59180855 U JPS59180855 U JP S59180855U JP 7542783 U JP7542783 U JP 7542783U JP 7542783 U JP7542783 U JP 7542783U JP S59180855 U JPS59180855 U JP S59180855U
- Authority
- JP
- Japan
- Prior art keywords
- current
- thyristor
- positive
- reverse polarity
- tig welding
- 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
- Arc Welding Control (AREA)
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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の交流ＴＩＧ溶接装置の回路図、第２図は
本考案交流’ｌ’ｌＧ溶接装置の一実施例を示す回路図
である。
各図中、同一部材には同一符号を付し、１０は変圧器、
１２は正極性電流用サイリスタ、１４は逆極性電流用サ
イリスタ、１６は正極性電流用リアクトル、１８は逆極
性電流用リアクトル、２０は母材、２２は電極、２４は
アーク、２６は正極性電流、２８は逆極性電流、３０は
正極性循環電流、３２は逆極性電流環流用サイリスク、
３４は制御回路、３６は逆極性模疑電流である。FIG. 1 is a circuit diagram of a conventional AC TIG welding apparatus, and FIG. 2 is a circuit diagram showing an embodiment of the AC 'l'lG welding apparatus of the present invention. In each figure, the same members are given the same symbols, and 10 is a transformer;
12 is a thyristor for positive polarity current, 14 is a thyristor for reverse polarity current, 16 is a reactor for positive polarity current, 18 is a reactor for reverse polarity current, 20 is a base material, 22 is an electrode, 24 is an arc, 26 is a positive current , 28 is a reverse polarity current, 30 is a positive polarity circulating current, 32 is a reverse polarity current circulating current,
34 is a control circuit, and 36 is a reverse polarity dummy current.
Claims (1)
サイリスタおよびカソードを接続した正極性電流用サイ
リスタと、前記逆極性電流用サイリスタのカソードと母
材との接続路に設けた逆極性電流用リアクトルおよび前
記正極性電流用サイリスタのアノードと母材との接続路
に設けた正極性電流用リアクトルと、前記変圧器の２次
側他端に接続し前記母材に対向配設した電極とからなる
交流ＴＩＧ溶接装置において、前記電極が正、前記母材
が負のときのアーク切れを検出する逆極性アーク切れ検
出手段と、この逆極性アーク切れ検出手段からの検出信
号を受けて前記正極性電流用サイリスタを非導通状態と
する正極性電流遮断手段とを設けたことを特徴とする交
流ＴＩＧ溶接装置。A thyristor for reverse polarity current whose anode is connected to one end of the secondary side of the transformer, a thyristor for positive polarity current whose cathode is connected, and a thyristor for reverse polarity provided in the connection path between the cathode of the thyristor for reverse polarity current and the base material. A current reactor and a positive current reactor provided in a connection path between the anode of the positive current thyristor and the base material, and an electrode connected to the other end of the secondary side of the transformer and disposed opposite to the base material. an AC TIG welding device comprising: reverse polarity arc breakage detection means for detecting arc breakage when the electrode is positive and the base metal is negative; and upon receiving a detection signal from the reverse polarity arc breakage detection means, the An alternating current TIG welding device comprising: positive current interrupting means for rendering a positive current thyristor non-conductive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7542783U JPS59180855U (en) | 1983-05-20 | 1983-05-20 | AC TIG welding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7542783U JPS59180855U (en) | 1983-05-20 | 1983-05-20 | AC TIG welding equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59180855U true JPS59180855U (en) | 1984-12-03 |
Family
ID=30205494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7542783U Pending JPS59180855U (en) | 1983-05-20 | 1983-05-20 | AC TIG welding equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59180855U (en) |
-
1983
- 1983-05-20 JP JP7542783U patent/JPS59180855U/en active Pending
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