JPS63102334U

JPS63102334U -

Info

Publication number: JPS63102334U
Application number: JP19780286U
Authority: JP
Priority date: 1986-12-23
Filing date: 1986-12-23
Publication date: 1988-07-04

Description

[Brief explanation of the drawing]

第１図は本考案の１実施例のフローテイング・
スイツチ回路の回路ブロツク図。第２図は第１図
のスイツチ素子の別の実施例の回路図。第３図は
接地電源を含む第１図の安定化電源回路Ｂ１の回
路図。第４図は第１図の光結合回路Ｂ２、スイツ
チＳＷ１、ＮＰＮトランジスタＴＲ１を含む回路
図。第５図は多数のスイツチを並列接続した本考
案の別の実施例の回路図。１：入力端子；２：出力端子；ＴＲ１〜ＴＲｎ
：ＮＰＮトランジスタ；ＦＤ：フローテイング駆
動回路；Ｂ１：安定化電源回路；Ｂ２：光結合回
路；ａ・ｂ・ｃ・ｄ・ｅ・ｆ・ｊ：端子；ｇ：フ
ローテイング・グランド端子；Ｔ１：トランス；
ＰＳ：接地電源；ＳＳ：制御信号源；Ｇ：接地；
Ｒ１，Ｒ１ａ，Ｒ１ｂ，Ｒｄ１，Ｒｄ２，Ｒ_２，
〜，Ｒ_９，Ｒｓ_１，……，Ｒｓｎ，ＲＬ：抵抗；
ＴＲ１ａ，ＴＲ１ｂ：トランジスタ対；ＳＧ：信
号源、Ｄ１ａ，…Ｄ１ｄ，Ｄ１，…，Ｄ６：ダイ
オード；Ｃ_１，Ｃ_２，Ｃ_３：コンデンサ；ＺＤ１
，ＺＤ２：ツエナダイオード；ＲＥＧ：三端子レ
ギユレータ；Ｕ１，Ｕ２：オープンコレクタ増幅
器；ＴＲａ，ＴＲｂ：トランジスタ；Ｖ_１，Ｖ_２，Ｖ_３，ＶＣＣ：電源端子。 Figure 1 shows the floating structure of one embodiment of the present invention.
Circuit block diagram of a switch circuit. FIG. 2 is a circuit diagram of another embodiment of the switch element shown in FIG. 1. FIG. 3 is a circuit diagram of the stabilized power supply circuit B1 of FIG. 1 including a ground power supply. FIG. 4 is a circuit diagram including the optical coupling circuit B2, switch SW1, and NPN transistor TR1 shown in FIG. FIG. 5 is a circuit diagram of another embodiment of the present invention in which a large number of switches are connected in parallel. 1: Input terminal; 2: Output terminal; TR1 to TRn
: NPN transistor; FD: floating drive circuit; B1: stabilized power supply circuit; B2: optical coupling circuit; a, b, c, d, e, f, j: terminal; g: floating ground terminal; T1: Trance;
PS: Ground power supply; SS: Control signal source; G: Ground;
R1, R1a, R1b, Rd1, Rd2, R ₂ ,
~, R ₉ , Rs ₁ , ..., Rsn, RL: resistance;
TR1a, TR1b: transistor pair; SG: signal source, D1a,...D1d, D1,..., D6: diode; C1 _, _C2 , _C3 : capacitor; ZD1
, ZD2: Zener diode; REG: three-terminal regulator; U1, U2: open collector amplifier; TRa, TRb: transistor; V ₁ , V ₂ , V ₃ , VCC: power supply terminal.

Claims

[Scope of utility model registration request]

A floating switch circuit that has an input terminal, an output terminal, and a drive circuit, receives power from the power source through a transformer, and controls its operation by inputting an optical signal.