JPS6376376U - - Google Patents
Info
- Publication number
- JPS6376376U JPS6376376U JP16821886U JP16821886U JPS6376376U JP S6376376 U JPS6376376 U JP S6376376U JP 16821886 U JP16821886 U JP 16821886U JP 16821886 U JP16821886 U JP 16821886U JP S6376376 U JPS6376376 U JP S6376376U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- switching
- current
- short
- 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.)
- Granted
Links
- 238000003466 welding Methods 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Arc Welding Control (AREA)
Description
第１図は本考案に係る直流アーク溶接機の一実
施例を示すブロツク図、第２図は第１図の直流ア
ーク溶接機の時間に対する出力電流の波形図、第
３図は第１図の直流アーク溶接機の外部出力特性
図、第４図は従来の直流アーク溶接機のブロツク
図、第５図は第４図の直流アーク溶接機の各回路
の出力波形図、第６図は第４図の直流アーク溶接
機の外部出力特性図である。
１……制御整流装置、２……アーク電流検出回
路、３……点弧回路、４……アーク電流設定回路
、５……基準電圧出力回路、６……短絡検出回路
、７……短絡電流設定回路、８……切替回路、９
……交流電源、１０……溶接出力端子。
Fig. 1 is a block diagram showing an embodiment of the DC arc welding machine according to the present invention, Fig. 2 is a waveform diagram of the output current versus time of the DC arc welding machine of Fig. 1, and Fig. 3 is a diagram of the output current of the DC arc welding machine of Fig. Figure 4 is a block diagram of a conventional DC arc welding machine, Figure 5 is an output waveform diagram of each circuit of the DC arc welding machine shown in Figure 4, and Figure 6 is a diagram of the output waveforms of each circuit of the DC arc welding machine. FIG. 3 is an external output characteristic diagram of the DC arc welding machine shown in FIG. DESCRIPTION OF SYMBOLS 1... Control rectifier, 2... Arc current detection circuit, 3... Ignition circuit, 4... Arc current setting circuit, 5... Reference voltage output circuit, 6... Short circuit detection circuit, 7... Short circuit current Setting circuit, 8...Switching circuit, 9
...AC power supply, 10...Welding output terminal.
Claims (1)
整流装置と、アーク電流の設定値に応じて制御整
流装置を位相制御する点弧回路とから成る直流ア
ーク溶接機において、上記点弧回路にアーク電流
設定回路と短絡電流設定回路とを切替える切替回
路を介在させ、かつ切替回路には、短絡電流設定
回路側に切替えるための短絡検出回路を接続した
ことを特徴とする直流アーク溶接機。 In a DC arc welding machine, which consists of a control rectifier for obtaining DC welding power from an AC power source, and an ignition circuit that controls the phase of the control rectifier according to a set value of the arc current, arc current is supplied to the ignition circuit. A direct current arc welding machine characterized by interposing a switching circuit for switching between a setting circuit and a short-circuit current setting circuit, and connecting the switching circuit to a short-circuit detection circuit for switching to the short-circuit current setting circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16821886U JPH0435007Y2 (en) | 1986-11-04 | 1986-11-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16821886U JPH0435007Y2 (en) | 1986-11-04 | 1986-11-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6376376U true JPS6376376U (en) | 1988-05-20 |
| JPH0435007Y2 JPH0435007Y2 (en) | 1992-08-19 |
Family
ID=31100893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16821886U Expired JPH0435007Y2 (en) | 1986-11-04 | 1986-11-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0435007Y2 (en) |
-
1986
- 1986-11-04 JP JP16821886U patent/JPH0435007Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0435007Y2 (en) | 1992-08-19 |