JPS63172042U - - Google Patents
Info
- Publication number
- JPS63172042U JPS63172042U JP6652987U JP6652987U JPS63172042U JP S63172042 U JPS63172042 U JP S63172042U JP 6652987 U JP6652987 U JP 6652987U JP 6652987 U JP6652987 U JP 6652987U JP S63172042 U JPS63172042 U JP S63172042U
- Authority
- JP
- Japan
- Prior art keywords
- main circuit
- contact
- welding
- existing
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims 2
- 230000004048 modification Effects 0.000 claims 1
- 238000012986 modification Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Arc Welding Control (AREA)
Description
第１図は本考案の検出回路及びこれと関連する
回路の抜粋図。
図中、一点鎖線〔〕内は主回路、一点鎖線〔
〕は操作回路、一点鎖線〔〕内は本考案の検
出回路、〓……電磁接触器及び補助リレーのメー
ク接点、〓……電磁接触器及び補助リレーのブレ
ーク接点、〓……盤の外部との接続端子、〓……
オンデレータイマーのメーク接点、〓……押釦開
閉器、ＫＲ……ラツチリレーの開放コイル。
FIG. 1 is an excerpt diagram of the detection circuit of the present invention and related circuits. In the figure, the main circuit is inside the dashed-dotted line [ ], and the dashed-dotted line [ ]
] is the operating circuit, dashed line [ ] is the detection circuit of the present invention, =...Make contact of the magnetic contactor and auxiliary relay, =...Break contact of the magnetic contactor and auxiliary relay, =...External side of the panel Connection terminal, 〓……
On-delay timer make contact, =...Push button switch, KR...Latch relay open coil.
Claims (1)
記す）から接点信号的な信号ではなく電圧信号の
みを取り出しこれを組み合わせる事によつてメイ
ン回路内の電磁接触器の接触片の熔着を検出し、
この検出信号をインターロツク信号としてメイン
回路へ送信する装置に関するものであつて既設メ
イン回路の改造を極力少なくすると同時に検出回
路の複数組を１つのケースに収納し汎用性を持た
せる事を特徴とした電磁接触器の接触片の熔着検
出装置。 By extracting only voltage signals, not contact signals, from the electric circuit of the existing control device (hereinafter referred to as the main circuit) and combining them, welding of the contact piece of the electromagnetic contactor in the main circuit can be detected. ,
This device transmits this detection signal as an interlock signal to the main circuit, and is characterized by minimizing modification of the existing main circuit and at the same time housing multiple sets of detection circuits in one case to provide versatility. A device for detecting welding of contact pieces of electromagnetic contactors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6652987U JPS63172042U (en) | 1987-04-30 | 1987-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6652987U JPS63172042U (en) | 1987-04-30 | 1987-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63172042U true JPS63172042U (en) | 1988-11-09 |
Family
ID=30904619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6652987U Pending JPS63172042U (en) | 1987-04-30 | 1987-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63172042U (en) |
-
1987
- 1987-04-30 JP JP6652987U patent/JPS63172042U/ja active Pending
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