JPH01102992U - - Google Patents
Info
- Publication number
- JPH01102992U JPH01102992U JP19780587U JP19780587U JPH01102992U JP H01102992 U JPH01102992 U JP H01102992U JP 19780587 U JP19780587 U JP 19780587U JP 19780587 U JP19780587 U JP 19780587U JP H01102992 U JPH01102992 U JP H01102992U
- Authority
- JP
- Japan
- Prior art keywords
- solenoid
- power source
- disconnection
- photocoupler
- disconnection monitoring
- 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
- 238000012806 monitoring device Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Emergency Alarm Devices (AREA)
- Electromagnets (AREA)
Description
第１図はこの考案の一実施例によるソレノイド
の断線監視装置を示す回路図、第２図は従来例の
回路図である。
図において、１はソレノイド、５はホトカプラ
、６はリレー。なお、図中、同一符号は同一又は
相当部分を示す。
FIG. 1 is a circuit diagram showing a solenoid disconnection monitoring device according to an embodiment of this invention, and FIG. 2 is a circuit diagram of a conventional example. In the figure, 1 is a solenoid, 5 is a photocoupler, and 6 is a relay. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
断線監視用電源を備えてこの電源からソレノイド
への微少電流の供給路を形成すると共に、上記ソ
レノイドを介して流れる微少電流に基いて動作す
るホトカプラと該ホトカプラのホトトランジスタ
に直列接続されたリレーを備えてソレノイドの断
線を接点情報として発信することを特徴とするソ
レノイドの断線監視装置。 (2) 上記断線監視用電源とホトカプラ及びリレ
ーを１つにまとめて断線情報を接点化したことを
特徴とする実用新案登録請求の範囲第１項記載の
ソレノイドの断線監視装置。[Claims for Utility Model Registration] (1) A disconnection monitoring power source that is different from the power source for the main circuit for operating the solenoid, forming a path for supplying a minute current from this power source to the solenoid, and flowing through the solenoid. A solenoid disconnection monitoring device comprising a photocoupler that operates based on a minute current and a relay connected in series to a phototransistor of the photocoupler, and transmitting a solenoid disconnection as contact information. (2) The solenoid disconnection monitoring device according to claim 1, wherein the disconnection monitoring power source, photocoupler, and relay are integrated into a single contact point for information on disconnection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19780587U JPH01102992U (en) | 1987-12-26 | 1987-12-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19780587U JPH01102992U (en) | 1987-12-26 | 1987-12-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01102992U true JPH01102992U (en) | 1989-07-12 |
Family
ID=31488340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19780587U Pending JPH01102992U (en) | 1987-12-26 | 1987-12-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01102992U (en) |
-
1987
- 1987-12-26 JP JP19780587U patent/JPH01102992U/ja active Pending