JPS63184672U - - Google Patents
Info
- Publication number
- JPS63184672U JPS63184672U JP7379387U JP7379387U JPS63184672U JP S63184672 U JPS63184672 U JP S63184672U JP 7379387 U JP7379387 U JP 7379387U JP 7379387 U JP7379387 U JP 7379387U JP S63184672 U JPS63184672 U JP S63184672U
- Authority
- JP
- Japan
- Prior art keywords
- value
- sawtooth wave
- welding current
- power source
- sawtooth
- 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
- 238000003466 welding Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 3
- 230000001172 regenerating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 2
Landscapes
- Arc Welding Control (AREA)
Description
第１図は、この考案の一実施例の構成を示す回
路図、第２図は同実施例に用いられる制御信号発
生回路の電気的構成を示すブロツク図、第３図は
、この考案の実施例の動作を説明するための波形
図、第４図は従来の溶接電源の構成を示す回路図
、第５図および第６図は、従来の溶接電源の動作
を説明するための波形図である。
ＩＮＶ……インバータ、６……トランス、１１
〜１４……ダイード、Ｓ７〜Ｓ１０……スイツチ
ング素子（１１，Ｓ７は第１の一方向性スイツチ
、１２，Ｓ８は第３の一方向性スイツチ、１３，
Ｓ９は第２の一方向性スイツチ、１４，Ｓ１０は
第４の一方向性スイツチを構成する）、１５……
電流検出器（溶接電流検出手段）、１８……制御
部（制御手段）、１８ａ……制御信号発生回路（
鋸歯状波発生手段である鋸歯状波発生器を有する
）。
Figure 1 is a circuit diagram showing the configuration of an embodiment of this invention, Figure 2 is a block diagram showing the electrical configuration of a control signal generation circuit used in the embodiment, and Figure 3 is an implementation of this invention. FIG. 4 is a circuit diagram showing the configuration of a conventional welding power source; FIGS. 5 and 6 are waveform diagrams explaining the operation of a conventional welding power source. . INV...Inverter, 6...Transformer, 11
~14... Diode, S7~S10... Switching element (11, S7 is the first unidirectional switch, 12, S8 is the third unidirectional switch, 13,
S9 constitutes a second unidirectional switch, 14, S10 constitutes a fourth unidirectional switch), 15...
Current detector (welding current detection means), 18... control section (control means), 18a... control signal generation circuit (
(having a sawtooth wave generator which is a sawtooth wave generating means).
Claims (1)
り換え可能な出力電流切換手段と、溶接電流を回
生および環流を行う手段とを有するアーク溶接電
源において、 前記溶接電流を検出する溶接電流検出手段と、 所定の周期を有する鋸歯状の信号を発生する鋸
歯状波発生手段と、 この鋸歯状波発生手段から出力される鋸歯状波
信号の値と前記溶接電流検出手段により検出され
る溶接電流の値とを比較し該溶接電流の値が該鋸
歯状波信号の値より下回つた時に環流モードとす
る制御手段と を具備したことを特徴とするアーク溶接電源。[Scope of Claim for Utility Model Registration] An arc welding power source having an output current switching means capable of switching the output current to either forward or reverse with respect to a load, and means for regenerating and circulating the welding current, comprising: a welding current detection means for detecting; a sawtooth wave generation means for generating a sawtooth signal having a predetermined period; and a value of the sawtooth wave signal output from the sawtooth wave generation means and the welding current detection means. 1. An arc welding power source comprising control means for comparing the value of the detected welding current and setting the circulating mode when the value of the welding current falls below the value of the sawtooth wave signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7379387U JPS63184672U (en) | 1987-05-18 | 1987-05-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7379387U JPS63184672U (en) | 1987-05-18 | 1987-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63184672U true JPS63184672U (en) | 1988-11-28 |
Family
ID=30918439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7379387U Pending JPS63184672U (en) | 1987-05-18 | 1987-05-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63184672U (en) |
-
1987
- 1987-05-18 JP JP7379387U patent/JPS63184672U/ja active Pending