JPH01171369U - - Google Patents
Info
- Publication number
- JPH01171369U JPH01171369U JP6767688U JP6767688U JPH01171369U JP H01171369 U JPH01171369 U JP H01171369U JP 6767688 U JP6767688 U JP 6767688U JP 6767688 U JP6767688 U JP 6767688U JP H01171369 U JPH01171369 U JP H01171369U
- Authority
- JP
- Japan
- Prior art keywords
- contact
- movable
- electromagnetic
- core
- coil
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Description
第１図は本考案による電磁接触器の接点寿命検
出装置の一実施例を示すブロツク図、第２図は第
１図の各部の波形図、第３図は電磁接触器の一例
を示す断面図、第４図と第５図は従来の接点寿命
検出装置の一例を示す模形図であり、第４図は消
耗しない接点の断面図、第５図は消耗した接点の
断面図である。
１：固定接点、４：可動接点、７：可動鉄心、
９：固定鉄心、１０：コイル、１５：微分回路、
１６：フリツプフロツプ、１７：ＡＮＤ回路、１
８：ワンシヨツトタイマ。
Fig. 1 is a block diagram showing an embodiment of the contact life detection device for an electromagnetic contactor according to the present invention, Fig. 2 is a waveform diagram of each part of Fig. 1, and Fig. 3 is a sectional view showing an example of the electromagnetic contactor. , FIG. 4 and FIG. 5 are schematic diagrams showing an example of a conventional contact life detection device. FIG. 4 is a cross-sectional view of a contact that does not wear out, and FIG. 5 is a cross-sectional view of a contact that is worn out. 1: Fixed contact, 4: Movable contact, 7: Movable iron core,
9: Fixed iron core, 10: Coil, 15: Differential circuit,
16: Flip-flop, 17: AND circuit, 1
8: One shot timer.
Claims (1)
置と、前記可動鉄心が吸引されると接触する固定
、可動両接点を備えた電磁接触器の接点寿命検出
装置において、前記コイルの電流に基づいて可動
鉄心の吸着状態を検出する手段と、前記接点が投
入されてから可動鉄心が吸着されるまでの時間が
所定時間より短くなると接点寿命と判断する手段
とを備えていることを特徴とする電磁接触器の接
点寿命検出装置。 A contact life detection device for an electromagnetic contactor comprising an electromagnetic device that attracts a movable core by energizing a coil, and both fixed and movable contacts that come into contact when the movable core is attracted, wherein the movable core is movable based on the current of the coil. An electromagnetic contact characterized by comprising means for detecting an adsorption state of the iron core, and means for determining that the contact life has expired when the time from when the contact is turned on until the movable iron core is adsorbed is shorter than a predetermined time. Device for detecting contact life of the device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6767688U JPH01171369U (en) | 1988-05-23 | 1988-05-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6767688U JPH01171369U (en) | 1988-05-23 | 1988-05-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01171369U true JPH01171369U (en) | 1989-12-05 |
Family
ID=31293037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6767688U Pending JPH01171369U (en) | 1988-05-23 | 1988-05-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01171369U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005111641A1 (en) * | 2004-05-13 | 2005-11-24 | Mitsubishi Denki Kabushiki Kaisha | State recognizing device and switching controller of power switching apparatus using state recognizing device |
| JP2016027560A (en) * | 2014-06-25 | 2016-02-18 | ティーイー コネクティビティ ジャーマニー ゲゼルシャフト ミット ベシュレンクテル ハフツンクＴＥ Ｃｏｎｎｅｃｔｉｖｉｔｙ Ｇｅｒｍａｎｙ ＧｍｂＨ | Switching device |
| JP5868553B1 (en) * | 2014-09-02 | 2016-02-24 | 三菱電機株式会社 | Circuit breaker characteristic monitoring device |
| US11170956B2 (en) | 2014-06-25 | 2021-11-09 | Te Connectivity Germany Gmbh | Switching arrangement |
-
1988
- 1988-05-23 JP JP6767688U patent/JPH01171369U/ja active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005111641A1 (en) * | 2004-05-13 | 2005-11-24 | Mitsubishi Denki Kabushiki Kaisha | State recognizing device and switching controller of power switching apparatus using state recognizing device |
| JPWO2005111641A1 (en) * | 2004-05-13 | 2008-03-27 | 三菱電機株式会社 | Status grasping device and switching control device for power switching device using the status grasping device |
| KR100907952B1 (en) * | 2004-05-13 | 2009-07-16 | 미쓰비시덴키 가부시키가이샤 | Opening / closing control device of state sensing device and power switchgear using this state sensing device |
| JP2016027560A (en) * | 2014-06-25 | 2016-02-18 | ティーイー コネクティビティ ジャーマニー ゲゼルシャフト ミット ベシュレンクテル ハフツンクＴＥ Ｃｏｎｎｅｃｔｉｖｉｔｙ Ｇｅｒｍａｎｙ ＧｍｂＨ | Switching device |
| US11170956B2 (en) | 2014-06-25 | 2021-11-09 | Te Connectivity Germany Gmbh | Switching arrangement |
| JP5868553B1 (en) * | 2014-09-02 | 2016-02-24 | 三菱電機株式会社 | Circuit breaker characteristic monitoring device |
| WO2016035131A1 (en) * | 2014-09-02 | 2016-03-10 | 三菱電機株式会社 | Circuit breaker characteristics monitoring device |
| US10224165B2 (en) | 2014-09-02 | 2019-03-05 | Mitsubishi Electric Corporation | Circuit breaker characteristic monitoring device |
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