JPH01100672U - - Google Patents
Info
- Publication number
- JPH01100672U JPH01100672U JP1987195446U JP19544687U JPH01100672U JP H01100672 U JPH01100672 U JP H01100672U JP 1987195446 U JP1987195446 U JP 1987195446U JP 19544687 U JP19544687 U JP 19544687U JP H01100672 U JPH01100672 U JP H01100672U
- Authority
- JP
- Japan
- Prior art keywords
- output
- circuit
- positive
- mode
- high frequency
- 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.)
- Granted
Links
Landscapes
- Arc Welding Control (AREA)
- Rectifiers (AREA)
Description
第１図はこの考案の実施例であるアーク溶接機
用電源装置の回路図、第２図は低周波制御回路の
回路図、第３図は各モードの出力電流波形を示す
図、第４図は従来のアーク溶接機用電源装置の回
路図を示している。
９……電極、１０……母材、１６……低周波制
御回路、１７……起動モード選択スイツチ。
Figure 1 is a circuit diagram of a power supply device for an arc welding machine that is an embodiment of this invention, Figure 2 is a circuit diagram of a low frequency control circuit, Figure 3 is a diagram showing the output current waveform of each mode, and Figure 4. shows a circuit diagram of a conventional power supply device for an arc welding machine. 9... Electrode, 10... Base material, 16... Low frequency control circuit, 17... Starting mode selection switch.
Claims (1)
、直流にされた電圧を高周波に変換する高周波変
換回路と、高周波の電圧を変圧する変圧器と、変
圧器の出力を正及び負に整流する第２の整流回路
と、整流出力を平滑する平滑リアクトル及び平滑
コンデンサを含む平滑回路と、スイツチング素子
を有し前記平滑回路の平滑出力を切り換えて正極
性または負極性で溶接電極および母材に印加する
開閉回路とを有し、 起動時に一定時間、正極性の平滑出力を印加す
る第１のモードと、負極性の平滑出力を印加する
第２のモードと、正極性および負極性の平滑出力
を交互に切り換えて印加する第３のモードのいず
れかのモードを選択する起動モード選択手段を設
けたことを特徴とする交流アーク溶接機用電源装
置。[Claims for Utility Model Registration] A first rectifier circuit that converts an alternating current power source into a direct current, a high frequency conversion circuit that converts the DC voltage to a high frequency, a transformer that transforms the high frequency voltage, and a transformer. a second rectifier circuit that rectifies the output of the circuit to positive and negative, a smoothing circuit that includes a smoothing reactor and a smoothing capacitor that smooth the rectified output, and a switching element that switches the smoothed output of the smoothing circuit to positive or negative polarity. a first mode in which a smooth output of positive polarity is applied for a certain period of time at startup, and a second mode in which a smooth output of negative polarity is applied; 1. A power supply device for an AC arc welding machine, comprising a starting mode selection means for selecting one of a third mode in which smoothed outputs of positive polarity and negative polarity are alternately switched and applied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987195446U JPH0435006Y2 (en) | 1987-12-23 | 1987-12-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987195446U JPH0435006Y2 (en) | 1987-12-23 | 1987-12-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01100672U true JPH01100672U (en) | 1989-07-06 |
| JPH0435006Y2 JPH0435006Y2 (en) | 1992-08-19 |
Family
ID=31486124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987195446U Expired JPH0435006Y2 (en) | 1987-12-23 | 1987-12-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0435006Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4023155A1 (en) * | 1989-07-21 | 1991-02-07 | Hitachi Seiko Kk | AC CURRENT PROTECTIVE GAS ARC WELDING PROCESS WITH CONSUMABLE ELECTRODE AND DEVICE THEREFOR |
| JP2006130535A (en) * | 2004-11-08 | 2006-05-25 | Sansha Electric Mfg Co Ltd | Welding method and welding power source device |
-
1987
- 1987-12-23 JP JP1987195446U patent/JPH0435006Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4023155A1 (en) * | 1989-07-21 | 1991-02-07 | Hitachi Seiko Kk | AC CURRENT PROTECTIVE GAS ARC WELDING PROCESS WITH CONSUMABLE ELECTRODE AND DEVICE THEREFOR |
| JP2006130535A (en) * | 2004-11-08 | 2006-05-25 | Sansha Electric Mfg Co Ltd | Welding method and welding power source device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0435006Y2 (en) | 1992-08-19 |