JPH0314833U

JPH0314833U -

Info

Publication number: JPH0314833U
Application number: JP7412089U
Authority: JP
Priority date: 1989-06-23
Filing date: 1989-06-23
Publication date: 1991-02-14

Description

[Brief explanation of drawings]

第１図は、この考案のソリツドステートリレー
を概略原理的に示した回路接続図、第２図は、こ
の考案の一実施例を示すソリツドステートリレー
のブロツク図、第３図は、この考案の他の実施例
を示すソリツドステートリレーの回路図、第４図
は、従来のソリツドステートリレーを示す回路図
、第５図は、従来のソリツドステートリレーを概
略的に示した接続図である。ＰＣ_１……第１のホトカプラ、ＰＣ_２……第２
のホトカプラ、１……駆動回路、２……トライア
ツク、３……出力停止信号回路、４……出力回路
、ａ，ｂ，ｃ……出力端子。 Fig. 1 is a circuit connection diagram schematically showing the principle of the solid state relay of this invention, Fig. 2 is a block diagram of the solid state relay showing an embodiment of this invention, and Fig. 3 is a circuit diagram of the solid state relay of this invention. A circuit diagram of a solid state relay showing another embodiment of the invention; FIG. 4 is a circuit diagram showing a conventional solid state relay; FIG. 5 is a schematic diagram of a conventional solid state relay; It is a diagram. PC ₁ ...first photocoupler, _PC2 ...second
1... Drive circuit, 2... Triack, 3... Output stop signal circuit, 4... Output circuit, a, b, c... Output terminal.

Claims

[Scope of utility model registration request]

first and second photocouplers whose light emitting elements light up in response to an input; first, second and third output terminals; and a triac connected between the first and third output terminals. , the triax is turned on by the first photocoupler output, and the first
and a third output terminal, and the second output terminal and the third output terminal are normally electrically connected, and the second and third output terminals are connected by the second photocoupler output. A solid state relay characterized by comprising a circuit that opens a circuit between output terminals.