JPH03111463U - - Google Patents
Info
- Publication number
- JPH03111463U JPH03111463U JP1714390U JP1714390U JPH03111463U JP H03111463 U JPH03111463 U JP H03111463U JP 1714390 U JP1714390 U JP 1714390U JP 1714390 U JP1714390 U JP 1714390U JP H03111463 U JPH03111463 U JP H03111463U
- Authority
- JP
- Japan
- Prior art keywords
- power source
- transformer
- output
- voltage
- 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.)
- Pending
Links
- 238000003754 machining Methods 0.000 claims 2
- 238000004804 winding Methods 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Arc Welding Control (AREA)
Description
第１図は本考案の実施例を示す接続図、第２図
は第１図の実施例の動作を説明するための線図、
第３図および第４図は本考案の別の実施例を示す
接続図、第５図は従来の装置の例を示す接続図、
第６図は第５図の従来装置の動作を説明するため
の線図、第７図はサージ吸収用として設けられる
スナバ回路の例を示す接続図である。
１……直流電源、６……変圧器、１４……補助
変圧器、４，５，１７，１８……スイツチング素
子、７，８，１５，１６，１９〜２２，３１……
ダイオード、１３……両波整流器、１２，３０…
…スイツチング素子制御回路、Ｒ……抵抗器、Ｃ
……コンデンサ。
Fig. 1 is a connection diagram showing an embodiment of the present invention, Fig. 2 is a diagram for explaining the operation of the embodiment of Fig. 1,
3 and 4 are connection diagrams showing another embodiment of the present invention, and FIG. 5 is a connection diagram showing an example of a conventional device,
FIG. 6 is a diagram for explaining the operation of the conventional device shown in FIG. 5, and FIG. 7 is a connection diagram showing an example of a snubber circuit provided for surge absorption. 1...DC power supply, 6...Transformer, 14...Auxiliary transformer, 4, 5, 17, 18...Switching element, 7, 8, 15, 16, 19-22, 31...
Diode, 13...Double-wave rectifier, 12, 30...
...Switching element control circuit, R...Resistor, C
...Capacitor.
Claims (1)
交流とした後に変圧器および整流器を通して再び
直流とするアーク加工用電源において、前記変圧
器の出力電圧を整流し前記直流電源に同極性で供
給する電圧クランプ回路を設けたアーク加工用電
源。 ２ 前記電圧クランプ回路の入力電圧は、前記変
圧器の出力巻線から得る回路である請求項１に記
載のアーク加工用電源。 ３ 前記電圧クランプ回路の入力電圧は、前記変
圧器の補助巻線から得る回路である請求項１に記
載のアーク加工用電源。 ４ 前記整流器の出力側には、スイツチング素子
からなるＤＣ／ＡＣ変換回路が設けられて出力極
性の切替を可能とした請求項１に記載のアーク加
工用電源。[Claims for Utility Model Registration] 1. In a power source for arc machining in which a DC power source is switched to AC by a switching element and then converted to DC again through a transformer and a rectifier, the output voltage of the transformer is rectified to be the same as the DC power source. A power supply for arc machining equipped with a voltage clamp circuit that supplies polarity. 2. The arc processing power source according to claim 1, wherein the input voltage of the voltage clamp circuit is obtained from an output winding of the transformer. 3. The arc processing power source according to claim 1, wherein the input voltage of the voltage clamp circuit is obtained from an auxiliary winding of the transformer. 4. The arc processing power source according to claim 1, wherein a DC/AC conversion circuit including a switching element is provided on the output side of the rectifier to enable switching of output polarity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1714390U JPH03111463U (en) | 1990-02-22 | 1990-02-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1714390U JPH03111463U (en) | 1990-02-22 | 1990-02-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03111463U true JPH03111463U (en) | 1991-11-14 |
Family
ID=31520375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1714390U Pending JPH03111463U (en) | 1990-02-22 | 1990-02-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03111463U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6393475A (en) * | 1986-10-06 | 1988-04-23 | Daihen Corp | Ac arc welding machine |
-
1990
- 1990-02-22 JP JP1714390U patent/JPH03111463U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6393475A (en) * | 1986-10-06 | 1988-04-23 | Daihen Corp | Ac arc welding machine |
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