JPH02146736U - - Google Patents
Info
- Publication number
- JPH02146736U JPH02146736U JP5695789U JP5695789U JPH02146736U JP H02146736 U JPH02146736 U JP H02146736U JP 5695789 U JP5695789 U JP 5695789U JP 5695789 U JP5695789 U JP 5695789U JP H02146736 U JPH02146736 U JP H02146736U
- Authority
- JP
- Japan
- Prior art keywords
- counter
- relay
- energized
- coefficients
- compares
- 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
- 230000005284 excitation Effects 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Alarm Systems (AREA)
- Emergency Alarm Devices (AREA)
Description
第１図はこの考案の実施例を示す回路図である
。
図において、２……励磁コイル、４……接点、
６……トランジスタ、１０……カウンタ、１１…
…判定回路、１２……警報装置。
FIG. 1 is a circuit diagram showing an embodiment of this invention. In the figure, 2...excitation coil, 4...contact,
6...transistor, 10...counter, 11...
...Judgment circuit, 12...Alarm device.
Claims (1)
ンタと、該カウンタの計数値を設定値と比較して
前者が後者以上になると警報信号を警報装置へ送
出する判定回路を有することを特徴とするリレー
接点監視回路。 A relay characterized by having a counter that coefficients the number of times an excitation coil of the relay is energized, and a determination circuit that compares the counted value of the counter with a set value and sends an alarm signal to an alarm device when the former exceeds the latter. Contact monitoring circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5695789U JPH02146736U (en) | 1989-05-16 | 1989-05-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5695789U JPH02146736U (en) | 1989-05-16 | 1989-05-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02146736U true JPH02146736U (en) | 1990-12-13 |
Family
ID=31581244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5695789U Pending JPH02146736U (en) | 1989-05-16 | 1989-05-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02146736U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012128075A1 (en) * | 2011-03-22 | 2012-09-27 | パナソニック株式会社 | Electromagnetic opening/closing device |
-
1989
- 1989-05-16 JP JP5695789U patent/JPH02146736U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012128075A1 (en) * | 2011-03-22 | 2012-09-27 | パナソニック株式会社 | Electromagnetic opening/closing device |
| JP2012199114A (en) * | 2011-03-22 | 2012-10-18 | Panasonic Corp | Electromagnetic switch |
| CN103477410A (en) * | 2011-03-22 | 2013-12-25 | 松下电器产业株式会社 | Electromagnetic opening/closing device |
| US9097766B2 (en) | 2011-03-22 | 2015-08-04 | Panasonic Intellectual Property Management Co., Ltd. | Electromagnetic opening/closing device |