JPS5911496U - protective relay - Google Patents
protective relayInfo
- Publication number
- JPS5911496U JPS5911496U JP10521482U JP10521482U JPS5911496U JP S5911496 U JPS5911496 U JP S5911496U JP 10521482 U JP10521482 U JP 10521482U JP 10521482 U JP10521482 U JP 10521482U JP S5911496 U JPS5911496 U JP S5911496U
- Authority
- JP
- Japan
- Prior art keywords
- printed board
- power supply
- protective relay
- electronic circuit
- metal nameplate
- 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
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Emergency Protection Circuit Devices (AREA)
- Noise Elimination (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はプリント板をケースに収納した状態を示す斜視
図、第２図はケースよりプリント板を引き抜いた時の状
態を示す斜視図、第３図は従来技術の直流電源も含めた
図、第４図は第３図の欠点（感電事故）を示した図、第
５図は本考案による保護継電器の一実施例構成図である
。
１・・・プリント板、２・・・箱形ケース、３・・・電
子口 路、４・・・取付金具、５・・・金属銘板
、６・・・地絡検出継電器、７・・・電磁波、８・・・
リード線。Fig. 1 is a perspective view showing the state in which the printed board is stored in the case, Fig. 2 is a perspective view showing the state when the printed board is pulled out from the case, and Fig. 3 is a diagram including the conventional DC power supply. FIG. 4 is a diagram showing a drawback (electric shock accident) of FIG. 3, and FIG. 5 is a configuration diagram of an embodiment of a protective relay according to the present invention. DESCRIPTION OF SYMBOLS 1... Printed board, 2... Box-shaped case, 3... Electronic port, 4... Mounting bracket, 5... Metal name plate, 6... Ground fault detection relay, 7... Electromagnetic waves, 8...
Lead.
Claims (1)
して取付金具を介して固着され−た金属製銘板と、前記
プリント板上の電子回路を作動させる直流電源と、前記
直流電源に対して分圧抵抗を゛ 介した分圧点とア
ースとの間に接続された地絡検出継電器とからなる保ｉ
継電器において、金属製銘板と直流電源の負極側との間
にコンデンサを接続したことを特徴とする保護継電器。A printed board with an electronic circuit mounted thereon, a metal nameplate fixed to the printed board via a mounting bracket, a DC power supply for operating the electronic circuit on the printed board, and a separate circuit for the DC power supply. A protection system consisting of a ground fault detection relay connected between a voltage dividing point and ground via a piezoresistor.
A protective relay characterized by a capacitor connected between the metal nameplate and the negative pole side of the DC power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10521482U JPS5911496U (en) | 1982-07-13 | 1982-07-13 | protective relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10521482U JPS5911496U (en) | 1982-07-13 | 1982-07-13 | protective relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5911496U true JPS5911496U (en) | 1984-01-24 |
Family
ID=30246720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10521482U Pending JPS5911496U (en) | 1982-07-13 | 1982-07-13 | protective relay |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5911496U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58143599A (en) * | 1982-02-19 | 1983-08-26 | ミテル・コ−ポレ−シヨン | Lock for printed circuit board |
-
1982
- 1982-07-13 JP JP10521482U patent/JPS5911496U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58143599A (en) * | 1982-02-19 | 1983-08-26 | ミテル・コ−ポレ−シヨン | Lock for printed circuit board |
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