JPH0286036U - - Google Patents
Info
- Publication number
- JPH0286036U JPH0286036U JP16561788U JP16561788U JPH0286036U JP H0286036 U JPH0286036 U JP H0286036U JP 16561788 U JP16561788 U JP 16561788U JP 16561788 U JP16561788 U JP 16561788U JP H0286036 U JPH0286036 U JP H0286036U
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- iron core
- push rod
- magnetic flux
- release device
- 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 5
- 230000004907 flux Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Breakers (AREA)
Description
第１図は本考案による漏電表示装置の一実施例
を示す断面図、第２図は第１図の漏電表示装置を
動作させる漏電検出回路の結線図、第３図は従来
の漏電表示装置の結線図である。
１：警戒回路、２０：表示用押ボタン、２１：
釈放器、２２：マイクロスイツチ、２４：固定鉄
心、２５：可動鉄心、２６：押棒、２７：永久磁
石、２８：減磁コイル、３０：復帰ばね。
Fig. 1 is a sectional view showing an embodiment of the earth leakage indicator according to the present invention, Fig. 2 is a wiring diagram of an earth leakage detection circuit that operates the earth leakage indicator of Fig. 1, and Fig. 3 is a diagram of a conventional earth leakage indicator. It is a wiring diagram. 1: Warning circuit, 20: Display push button, 21:
Release device, 22: Micro switch, 24: Fixed iron core, 25: Movable iron core, 26: Push rod, 27: Permanent magnet, 28: Demagnetizing coil, 30: Return spring.
Claims (1)
られた押棒を有しこの押棒を押圧して前記永久磁
石の磁束により前記固定鉄心に吸引保持される可
動鉄心と検出された警戒回路の漏電信号で通電さ
れ前記永久磁石の磁束を打消す減磁コイルと前記
永久磁石の磁束が前記減磁コイルで打消されたと
き前記可動鉄心を釈放させる復帰ばねとを備えた
釈放器と、前記押棒により押圧され前記釈放器の
釈放動作により解放されるマイクロスイツチとか
らなることを特徴とする漏電表示装置。 It has a push rod to which a permanent magnet, a fixed iron core, and a display push button are attached, and when this push rod is pressed, the magnetic flux of the permanent magnet attracts and holds the movable iron core to the fixed iron core, and the detected earth leakage signal of the warning circuit a release device comprising a demagnetizing coil that is energized to cancel the magnetic flux of the permanent magnet; a return spring that releases the movable core when the magnetic flux of the permanent magnet is canceled by the demagnetizing coil; and a release device that is pressed by the push rod. An earth leakage display device comprising a microswitch that is released by the release operation of the release device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16561788U JPH0286036U (en) | 1988-12-21 | 1988-12-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16561788U JPH0286036U (en) | 1988-12-21 | 1988-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0286036U true JPH0286036U (en) | 1990-07-06 |
Family
ID=31452268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16561788U Pending JPH0286036U (en) | 1988-12-21 | 1988-12-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0286036U (en) |
-
1988
- 1988-12-21 JP JP16561788U patent/JPH0286036U/ja active Pending
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