JPH0244218U - - Google Patents
Info
- Publication number
- JPH0244218U JPH0244218U JP12318588U JP12318588U JPH0244218U JP H0244218 U JPH0244218 U JP H0244218U JP 12318588 U JP12318588 U JP 12318588U JP 12318588 U JP12318588 U JP 12318588U JP H0244218 U JPH0244218 U JP H0244218U
- Authority
- JP
- Japan
- Prior art keywords
- switch
- switch contact
- contact
- energized
- closing
- 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
- 230000001934 delay Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Keying Circuit Devices (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Description
図は本考案の一実施例を示す回路図。
符号の説明、1……開閉器、2……開閉器接点
、3……操作スイツチ、4……保持コイル並列接
点、10……操作回路。
The figure is a circuit diagram showing an embodiment of the present invention. Explanation of symbols: 1... Switch, 2... Switch contact, 3... Operating switch, 4... Holding coil parallel contact, 10... Operating circuit.
Claims (1)
する投入コイルと、 前記開閉器接点の投入時は前記投入コイルと直
列になつて付勢されることにより前記開閉器接点
の投入状態を保持し、前記開閉器接点の開放時は
並列に設けられた接点のオンによつて付勢を解か
れる保持コイルと、 前記投入コイルに並列に設けられ、前記投入コ
イルの付勢が解かれたときに発生する逆起電力に
基づくループ電流を流して前記開閉器接点の開放
を遅延させるダイオードおよび可変抵抗の直列回
路より構成されることを特徴とする開閉器の開放
遅延回路。[Scope of Claim for Utility Model Registration] A closing coil that closes a switch contact by being energized by a closing current, and when the switch contact is closed, it is energized in series with the closing coil to open and close the switch. a holding coil that maintains the closed state of the switch contact and is deenergized by turning on a contact provided in parallel when the switch contact is opened; A switch opening delay comprising a series circuit of a diode and a variable resistor that delays the opening of the switch contact by flowing a loop current based on a back electromotive force generated when the energization is released. circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988123185U JP2523932Y2 (en) | 1988-09-20 | 1988-09-20 | Open delay circuit of distribution line switch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988123185U JP2523932Y2 (en) | 1988-09-20 | 1988-09-20 | Open delay circuit of distribution line switch |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0244218U true JPH0244218U (en) | 1990-03-27 |
JP2523932Y2 JP2523932Y2 (en) | 1997-01-29 |
Family
ID=31371805
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988123185U Expired - Lifetime JP2523932Y2 (en) | 1988-09-20 | 1988-09-20 | Open delay circuit of distribution line switch |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2523932Y2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012216451A (en) * | 2011-04-01 | 2012-11-08 | Mitsubishi Electric Corp | Electromagnetic operation device for switching device, and driving circuit for the same |
JP2016062845A (en) * | 2014-09-19 | 2016-04-25 | 株式会社東光高岳 | Electrically-driven operation device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5210618A (en) * | 1975-07-15 | 1977-01-27 | Matsushita Electric Ind Co Ltd | Circuit for preventing occurrence of abnormally high voltage |
JPS6324580U (en) * | 1986-07-31 | 1988-02-18 |
-
1988
- 1988-09-20 JP JP1988123185U patent/JP2523932Y2/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5210618A (en) * | 1975-07-15 | 1977-01-27 | Matsushita Electric Ind Co Ltd | Circuit for preventing occurrence of abnormally high voltage |
JPS6324580U (en) * | 1986-07-31 | 1988-02-18 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012216451A (en) * | 2011-04-01 | 2012-11-08 | Mitsubishi Electric Corp | Electromagnetic operation device for switching device, and driving circuit for the same |
JP2016062845A (en) * | 2014-09-19 | 2016-04-25 | 株式会社東光高岳 | Electrically-driven operation device |
Also Published As
Publication number | Publication date |
---|---|
JP2523932Y2 (en) | 1997-01-29 |
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