JPS6055235U - Electric shock prevention circuit - Google Patents
Electric shock prevention circuitInfo
- Publication number
- JPS6055235U JPS6055235U JP14495083U JP14495083U JPS6055235U JP S6055235 U JPS6055235 U JP S6055235U JP 14495083 U JP14495083 U JP 14495083U JP 14495083 U JP14495083 U JP 14495083U JP S6055235 U JPS6055235 U JP S6055235U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- base
- electric shock
- prevention circuit
- shock prevention
- 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.)
- Granted
Links
Landscapes
- Emergency Protection Circuit Devices (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の感電防止回路の回路図、第２図は本考案
の感電防止回路の構成を示す一実施例の回路図である。
１・・・交流電源、２・・・交流負荷、３・・・直流電
源、４．４′・・・リレー、５・・・コイル、６・・・
筐体、１゜８・・・トランジスタ、９〜１１・・・ダイ
オード、１２〜１７・・・抵抗、１８・・・コンデンサ
、Ａ・・・制御回路、Ｂ・・・処理回路。FIG. 1 is a circuit diagram of a conventional electric shock prevention circuit, and FIG. 2 is a circuit diagram of an embodiment showing the structure of the electric shock prevention circuit of the present invention. 1... AC power supply, 2... AC load, 3... DC power supply, 4.4'... Relay, 5... Coil, 6...
Housing, 1°8...Transistor, 9-11...Diode, 12-17...Resistor, 18...Capacitor, A...Control circuit, B...Processing circuit.
Claims (1)
前記交流負荷を覆う筐体が抵抗を介して第１のトランジ
スタのベースに接続され、その第１のトランジスタのエ
ミッタ・コレクタ、第１のダイオードのアノード・カソ
ード、第２のトランジスタのベース会エミッタの直列回
路が交流電源に接続され、第１のトランジスタのベース
より第２のダイオードのカソード拳アノードを介して第
２のトランジスタのコレクタに繋がり、その第２のトラ
ンジスタのコレクタ電流と第２のダイオードに流れる電
流の和の変化により前記リレーのＯＮ、ＯＦＦを制御す
ることを特徴とする感電防止回路。It has an AC load and a relay that cuts off an electric path to the load,
A housing covering the AC load is connected to the base of the first transistor via a resistor, and the emitter-collector of the first transistor, the anode-cathode of the first diode, and the base-emitter of the second transistor are connected to the base of the first transistor. A series circuit is connected to an alternating current power supply and is connected from the base of the first transistor to the collector of the second transistor through the cathode and anode of the second diode, and the collector current of the second transistor and the second diode are connected to each other. An electric shock prevention circuit characterized in that ON/OFF of the relay is controlled by a change in the sum of flowing currents.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14495083U JPS6055235U (en) | 1983-09-21 | 1983-09-21 | Electric shock prevention circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14495083U JPS6055235U (en) | 1983-09-21 | 1983-09-21 | Electric shock prevention circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6055235U true JPS6055235U (en) | 1985-04-18 |
| JPH043552Y2 JPH043552Y2 (en) | 1992-02-04 |
Family
ID=30323093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14495083U Granted JPS6055235U (en) | 1983-09-21 | 1983-09-21 | Electric shock prevention circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6055235U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5128633A (en) * | 1974-09-04 | 1976-03-11 | Matsushita Electric Industrial Co Ltd | Kandenboshisochi |
-
1983
- 1983-09-21 JP JP14495083U patent/JPS6055235U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5128633A (en) * | 1974-09-04 | 1976-03-11 | Matsushita Electric Industrial Co Ltd | Kandenboshisochi |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH043552Y2 (en) | 1992-02-04 |
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