JPS59110172U - Thyristor short circuit alarm device for resistance welding machine - Google Patents
Thyristor short circuit alarm device for resistance welding machineInfo
- Publication number
- JPS59110172U JPS59110172U JP386283U JP386283U JPS59110172U JP S59110172 U JPS59110172 U JP S59110172U JP 386283 U JP386283 U JP 386283U JP 386283 U JP386283 U JP 386283U JP S59110172 U JPS59110172 U JP S59110172U
- Authority
- JP
- Japan
- Prior art keywords
- welding machine
- thyristor
- resistance welding
- alarm device
- short 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.)
- Pending
Links
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、従来の抵抗溶接機における電気回路 ・
・図、第２図は、サイリスクスタックの点弧によ医波形
図、第３図は、本考案にかかる装置の一例を示す電気回
路図である。Figure 1 shows the electric circuit in a conventional resistance welding machine.
・FIG. 2 is a medical waveform diagram upon ignition of the Cyrisk stack, and FIG. 3 is an electric circuit diagram showing an example of the device according to the present invention.
Claims (1)
を行なう抵抗溶接機において、上記サイリスタの短絡に
よって溶接時以外に上記溶接機の溶接変圧器の１次側又
は２次側に電圧が発生した時、サイリスタ短絡警報を発
生するように、上記溶接変圧器の１次側又は２次側に電
圧又は電流検出器を介在せしめた抵抗溶接機用サイリス
タの短絡警報装置。In a resistance welding machine that connects a thyristor in antiparallel to a single-phase AC circuit to switch current, a short circuit in the thyristor generates voltage on the primary or secondary side of the welding transformer of the welding machine other than during welding. A short-circuit alarm device for a thyristor for a resistance welding machine, comprising: a voltage or current detector interposed on the primary side or secondary side of the welding transformer so as to generate a thyristor short-circuit alarm when the welding transformer occurs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP386283U JPS59110172U (en) | 1983-01-14 | 1983-01-14 | Thyristor short circuit alarm device for resistance welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP386283U JPS59110172U (en) | 1983-01-14 | 1983-01-14 | Thyristor short circuit alarm device for resistance welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59110172U true JPS59110172U (en) | 1984-07-25 |
Family
ID=30135473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP386283U Pending JPS59110172U (en) | 1983-01-14 | 1983-01-14 | Thyristor short circuit alarm device for resistance welding machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59110172U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4915337A (en) * | 1972-05-17 | 1974-02-09 |
-
1983
- 1983-01-14 JP JP386283U patent/JPS59110172U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4915337A (en) * | 1972-05-17 | 1974-02-09 |
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