JPS61133263U - - Google Patents
Info
- Publication number
- JPS61133263U JPS61133263U JP1401385U JP1401385U JPS61133263U JP S61133263 U JPS61133263 U JP S61133263U JP 1401385 U JP1401385 U JP 1401385U JP 1401385 U JP1401385 U JP 1401385U JP S61133263 U JPS61133263 U JP S61133263U
- Authority
- JP
- Japan
- Prior art keywords
- high frequency
- current
- circuit
- current detector
- rectifier circuit
- 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 4
- 238000006243 chemical reaction Methods 0.000 claims 3
- 239000003990 capacitor Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Arc Welding Control (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図は上記実施例の電源
遮断回路の回路図、第３図は従来のアーク溶接機
用電源装置の回路図である。
１９―電流検知器、２０―電流遮断回路。
Fig. 1 is a circuit diagram of a power supply device for an arc welding machine that is an embodiment of this invention, Fig. 2 is a circuit diagram of a power cutoff circuit of the above embodiment, and Fig. 3 is a circuit diagram of a conventional power supply device for an arc welding machine. It is a diagram. 19-Current detector, 20-Current cutoff circuit.
Claims (1)
直流にされた電圧を２つのスイツチング素子を交
互にスイツチングすることによつて高周波に変換
する高周波変換回路、高周波の電圧を変圧する変
圧器、変圧された高周波を直流に整流して母材と
ワイヤに印加する第２の整流回路、第２の整流回
路の電流を検知する電流検知器、電流検知器の検
出値に基づいて前記高周波変換回路の発振周波数
を変化して出力を制御する出力制御回路を有する
アーク溶接機電源装置において、 高周波変換回路に流入する電流を検知する第２
の電流検知器と、この第２の電流検知器の検出値
が一定値を越えたとき前記高周波変換回路に流れ
る電流を制限するように前記出力制御回路に動作
信号を出力する電流遮断回路と、前記変圧器に直
列に接続された直流カツト用コンデンサと、を設
けたことを特徴とするアーク溶接機用電源装置。[Claims for Utility Model Registration] A first rectifier circuit that once converts an AC power source into a DC power source,
A high frequency conversion circuit that converts DC voltage into high frequency by alternately switching two switching elements, a transformer that transforms high frequency voltage, and a base material and wire that rectify the transformed high frequency into DC. a second rectifier circuit that applies current to the second rectifier circuit, a current detector that detects the current of the second rectifier circuit, and an output control circuit that controls the output by changing the oscillation frequency of the high frequency conversion circuit based on the detected value of the current detector. In an arc welding machine power supply device having a
a current detector, and a current cutoff circuit that outputs an operating signal to the output control circuit so as to limit the current flowing to the high frequency conversion circuit when the detected value of the second current detector exceeds a certain value; A power supply device for an arc welding machine, comprising: a DC cutting capacitor connected in series to the transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1401385U JPH0315260Y2 (en) | 1985-01-31 | 1985-01-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1401385U JPH0315260Y2 (en) | 1985-01-31 | 1985-01-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61133263U true JPS61133263U (en) | 1986-08-20 |
| JPH0315260Y2 JPH0315260Y2 (en) | 1991-04-03 |
Family
ID=30498542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1401385U Expired JPH0315260Y2 (en) | 1985-01-31 | 1985-01-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0315260Y2 (en) |
-
1985
- 1985-01-31 JP JP1401385U patent/JPH0315260Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0315260Y2 (en) | 1991-04-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS62191392U (en) | ||
| JPH01245972A (en) | Portable air plasma cutting machine | |
| JPS61133263U (en) | ||
| JPS61156491U (en) | ||
| JP2797568B2 (en) | DC power supply | |
| JPH01100672U (en) | ||
| JPH01128973U (en) | ||
| JPS6257541U (en) | ||
| JPH0374144U (en) | ||
| JPH0324292Y2 (en) | ||
| JPH0331501Y2 (en) | ||
| JPH0394087U (en) | ||
| JPS62115787U (en) | ||
| JPS6376376U (en) | ||
| JPS6271714U (en) | ||
| JPS62183977U (en) | ||
| JPH0480665U (en) | ||
| JPS63116180U (en) | ||
| JPH033181U (en) | ||
| JPH0214292U (en) | ||
| JPH0350796U (en) | ||
| KR880008854A (en) | AC Arc Welding Machine Power Supply | |
| JPS6344695U (en) | ||
| JPH01123437U (en) | ||
| JPS626979U (en) |