JPH0230242U - - Google Patents

Info

Publication number
JPH0230242U
JPH0230242U JP10748088U JP10748088U JPH0230242U JP H0230242 U JPH0230242 U JP H0230242U JP 10748088 U JP10748088 U JP 10748088U JP 10748088 U JP10748088 U JP 10748088U JP H0230242 U JPH0230242 U JP H0230242U
Authority
JP
Japan
Prior art keywords
power supply
fets
drive circuit
output
redundant power
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
Application number
JP10748088U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP10748088U priority Critical patent/JPH0230242U/ja
Publication of JPH0230242U publication Critical patent/JPH0230242U/ja
Pending legal-status Critical Current

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  • Stand-By Power Supply Arrangements (AREA)
  • Control Of Voltage And Current In General (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の一実施例を示す構成ブロツク
図、第２図は第１図の装置の具体的な回路図、第
３図は従来装置の構成ブロツク図である。 Ｑ２，Ｑ１２……ＦＥＴ、Ｑ３……逆流検出手
段、Ｑ４……オフ手段（トランジスタ）。 FIG. 1 is a block diagram showing an embodiment of the present invention, FIG. 2 is a specific circuit diagram of the device shown in FIG. 1, and FIG. 3 is a block diagram of a conventional device. Q2, Q12...FET, Q3...reverse current detection means, Q4...off means (transistor).

Claims (1)

【実用新案登録請求の範囲】 (1) 直流電圧を出力する複数の直流電源を並列
に接続した冗長化電源と、 これら直流電源と一対一に設けられ、対応する
の出力信号が入力端に接続され、出力端が共通に
接続されたＦＥＴと、 これらＦＥＴのゲート端子に駆動用の電力を供
給する駆動回路と、 を具備することを特徴とする冗長化電源システム
。 (2) 前記冗長化電源と、前記ＦＥＴとを有し、 前記駆動回路は前記対応する直流電源の出力に
関連した直流電圧出力回路若しくはこれらＦＥＴ
の駆動に使用される補助直流電源よりなり、 前記各ＦＥＴの入力端子側で正規の電源供給方
向と逆の方向に電流が流れることを検出する手段
と、 この電流検出手段で逆電流を検出したときは該
当するＦＥＴの駆動回路をオフする手段と、 を具備することを特徴とする冗長化電源システム
。[Claims for Utility Model Registration] (1) A redundant power supply in which multiple DC power supplies that output DC voltage are connected in parallel, and a redundant power supply that is provided one-to-one with these DC power supplies, and the output signal of the corresponding one is connected to the input end. What is claimed is: 1. A redundant power supply system comprising: FETs whose output ends are commonly connected; and a drive circuit that supplies drive power to the gate terminals of these FETs. (2) The drive circuit includes the redundant power supply and the FET, and the drive circuit includes a DC voltage output circuit related to the output of the corresponding DC power supply or these FETs.
means for detecting that a current flows in a direction opposite to the normal power supply direction on the input terminal side of each of the FETs, and a means for detecting a reverse current by this current detecting means. 1. A redundant power supply system comprising: means for turning off a drive circuit of a corresponding FET when the relevant FET is turned off;
JP10748088U 1988-08-15 1988-08-15 Pending JPH0230242U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10748088U JPH0230242U (en) 1988-08-15 1988-08-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10748088U JPH0230242U (en) 1988-08-15 1988-08-15

Publications (1)

Publication Number Publication Date
JPH0230242U true JPH0230242U (en) 1990-02-26

Family

ID=31341934

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10748088U Pending JPH0230242U (en) 1988-08-15 1988-08-15

Country Status (1)

Country Link
JP (1) JPH0230242U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0272420A (en) * 1988-09-07 1990-03-12 Fujitsu Ltd Multiple power supply system
JP2015050814A (en) * 2013-08-30 2015-03-16 ケル株式会社 Power supply unit and power supply device using the same
JP2022150506A (en) * 2021-03-26 2022-10-07 三菱電機株式会社 Redundant operation power supply unit and power supply system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6212332A (en) * 1985-07-09 1987-01-21 沖電気工業株式会社 Dc power source synthesization circuit
JPS63107460A (en) * 1986-10-23 1988-05-12 Hitachi Ltd Multiplexing dc power source
JPS63154020A (en) * 1986-12-15 1988-06-27 日本電信電話株式会社 Mos-fet selective cut-off circuit
JPH01107656A (en) * 1987-10-20 1989-04-25 Nec Corp Switching power circuit unit
JPH01321829A (en) * 1988-06-21 1989-12-27 Fujitsu Ltd power supply

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6212332A (en) * 1985-07-09 1987-01-21 沖電気工業株式会社 Dc power source synthesization circuit
JPS63107460A (en) * 1986-10-23 1988-05-12 Hitachi Ltd Multiplexing dc power source
JPS63154020A (en) * 1986-12-15 1988-06-27 日本電信電話株式会社 Mos-fet selective cut-off circuit
JPH01107656A (en) * 1987-10-20 1989-04-25 Nec Corp Switching power circuit unit
JPH01321829A (en) * 1988-06-21 1989-12-27 Fujitsu Ltd power supply

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0272420A (en) * 1988-09-07 1990-03-12 Fujitsu Ltd Multiple power supply system
JP2015050814A (en) * 2013-08-30 2015-03-16 ケル株式会社 Power supply unit and power supply device using the same
JP2022150506A (en) * 2021-03-26 2022-10-07 三菱電機株式会社 Redundant operation power supply unit and power supply system

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