JPS6286981U - - Google Patents
Info
- Publication number
- JPS6286981U JPS6286981U JP17918985U JP17918985U JPS6286981U JP S6286981 U JPS6286981 U JP S6286981U JP 17918985 U JP17918985 U JP 17918985U JP 17918985 U JP17918985 U JP 17918985U JP S6286981 U JPS6286981 U JP S6286981U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- welding machine
- pine
- transformers
- seam welding
- 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)
Description
第１図はこの考案の一実施例を示す回路図、第
２図は変圧器の鉄心を示す斜視図、第３図は反転
直流電流波形を示す説明図、第４図は二次導体に
通電した場合の磁束方向を示す説明図、第５図は
従来の直流マツシユシーム溶接機の給電部を示す
概略構成図、第６図は同溶接機のクランパ部を示
す構成図、第７図は同溶接機の直流電源装置の回
路図である。
図において、１は直流電源装置、２は二次導体
、５は上部回転円板電極、６は下部回転円板電極
、１１ａは第１変圧器、１１ｂは第２変圧器、１
２は交流電源、１３ａは第１全波整流回路、１３
ｂは第２全波整流回路、１４ａは第１サイリスタ
（切換スイツチ）、１４ｂは第２サイリスタ（切
換スイツチ）である。なお、各図中同一符号は同
一または相当部分を示す。
Fig. 1 is a circuit diagram showing an embodiment of this invention, Fig. 2 is a perspective view showing the core of the transformer, Fig. 3 is an explanatory diagram showing an inverted DC current waveform, and Fig. 4 is energizing the secondary conductor. Fig. 5 is a schematic configuration diagram showing the power supply part of a conventional DC pine seam welding machine, Fig. 6 is a configuration diagram showing the clamper part of the welding machine, and Fig. 7 is a diagram showing the same welding machine. FIG. 3 is a circuit diagram of the DC power supply device of the machine. In the figure, 1 is a DC power supply, 2 is a secondary conductor, 5 is an upper rotating disk electrode, 6 is a lower rotating disk electrode, 11a is a first transformer, 11b is a second transformer, 1
2 is an AC power supply, 13a is a first full-wave rectifier circuit, 13
b is a second full-wave rectifier circuit, 14a is a first thyristor (changeover switch), and 14b is a second thyristor (changeover switch). Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
流電源を供給する直流電源装置を備えた直流マツ
シユシーム溶接機において、直流電源装置は交流
電源に一次側が並列接続された二つの変圧器と、
２つの変圧器の二次側にそれぞれ接続され、出力
側の極性を互いに逆に接続された二つの全波整流
回路と、二つの変圧器の一次側と交流電源との接
続を交互に切り換える切換スイツチとからなるこ
とを特徴とする直流マツシユシーム溶接機。 (2) 切換スイツチは交流電源と各変圧器との間
に設けられた互いに極性を逆に並列接続された二
つのサイリスタであることを特徴とする実用新案
登録請求の範囲第１項記載の直流マツシユシーム
溶接機。[Claims for Utility Model Registration] (1) In a DC pine seam welding machine equipped with a DC power supply that supplies DC power to two rotating disc electrodes via a secondary conductor, the DC power supply has a primary side connected to an AC power supply. two transformers connected in parallel,
Two full-wave rectifier circuits each connected to the secondary sides of two transformers, with the output side polarities reversed to each other, and a switch that alternately switches the connection between the primary sides of the two transformers and the AC power supply. A DC pine seam welding machine characterized by comprising a switch. (2) The direct current according to claim 1 of the utility model registration claim, characterized in that the changeover switch is two thyristors connected in parallel with opposite polarities and provided between the alternating current power source and each transformer. Pine seam welding machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17918985U JPH0349827Y2 (en) | 1985-11-22 | 1985-11-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17918985U JPH0349827Y2 (en) | 1985-11-22 | 1985-11-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6286981U true JPS6286981U (en) | 1987-06-03 |
| JPH0349827Y2 JPH0349827Y2 (en) | 1991-10-24 |
Family
ID=31122027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17918985U Expired JPH0349827Y2 (en) | 1985-11-22 | 1985-11-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0349827Y2 (en) |
-
1985
- 1985-11-22 JP JP17918985U patent/JPH0349827Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0349827Y2 (en) | 1991-10-24 |
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