JPS60114530U - Power supply with permissible input voltage range - Google Patents

Power supply with permissible input voltage range

Info

Publication number
JPS60114530U
JPS60114530U JP29484U JP29484U JPS60114530U JP S60114530 U JPS60114530 U JP S60114530U JP 29484 U JP29484 U JP 29484U JP 29484 U JP29484 U JP 29484U JP S60114530 U JPS60114530 U JP S60114530U
Authority
JP
Japan
Prior art keywords
input voltage
power supply
zener diode
voltage range
permissible input
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
Application number
JP29484U
Other languages
Japanese (ja)
Other versions
JPH0130845Y2 (en
Inventor
鈴木　紘一郎
彰 鎌田
正康 大崎
Original Assignee
富士電気化学株式会社
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 by 富士電気化学株式会社 filed Critical 富士電気化学株式会社
Priority to JP29484U priority Critical patent/JPS60114530U/en
Publication of JPS60114530U publication Critical patent/JPS60114530U/en
Application granted granted Critical
Publication of JPH0130845Y2 publication Critical patent/JPH0130845Y2/ja
Granted legal-status Critical Current

Links

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

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

第１図は本考案に係る電源装置の一実施例を示す回路図
、第２図および第３図はそれぞれ本考案の他の実施例を
示す回路図である。 １・・・ダイオードブリッジ、２・・・パルス幅制御部
、３・・・入力電圧範囲検出制御回路、３ａ・・・過小
入力電圧検出制御部、３ｂ・・・過大入力電圧検出制御
部、Ｔ・・・トランス、Ｑ□・・・スイッチングトラン
　−ジスタ、Ｒ１，Ｒ３・・・電流制限抵抗、ＺＤｌ・
・・第１のツェナーダイオード、ｚＤ２・・・第２のツ
ェナーダイオード、Ｑ２９　Ｑ３９　Ｑ４・・・トラン
ジスタスイッチ。 ′　　　　　　　３ １ トーコ　　ｉ半１−寸一一ト ＥＴＤＩ　　　　ＬFIG. 1 is a circuit diagram showing one embodiment of a power supply device according to the present invention, and FIGS. 2 and 3 are circuit diagrams showing other embodiments of the present invention. DESCRIPTION OF SYMBOLS 1... Diode bridge, 2... Pulse width control part, 3... Input voltage range detection control circuit, 3a... Too little input voltage detection control part, 3b... Excessive input voltage detection control part, T ...Transformer, Q□...Switching transistor, R1, R3...Current limiting resistor, ZDl...
...First Zener diode, zD2... Second Zener diode, Q29 Q39 Q4... Transistor switch. ' 3 1 TOKO i 1/2-1 1-1 ETDI L

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電流制限抵抗と下限入力電圧以上の電圧が印加された時
に導通する第１のツェナーダイオードとを直列に接続し
た過小入力電圧検出回路と、電流制限抵抗と過大入力電
圧印加時に導通する第２のツェナーダイオードとを直列
に接続した過大入力電圧検出回路をそれぞれ入力側に設
けるとともに、前記第１のツェナーダイオード、により
制御される第１のスイッチ回路と、前記第２のツェナー
ダイオードにより制御される第２のスイッチ回路とをそ
れぞれ設け、それら第１及び第２のスイッチ回路のオア
動作によって過小及び過大入力電圧時に電源装置の動作
を強制的に停止させるようにした許容入力電圧範囲を有
する電源装置。An under-input voltage detection circuit that connects in series a current-limiting resistor and a first Zener diode that conducts when a voltage equal to or higher than the lower limit input voltage is applied, and a second Zener diode that conducts when the current-limiting resistor and an excessive input voltage are applied. A first switch circuit controlled by the first Zener diode and a second switch circuit controlled by the second Zener diode are respectively provided on the input side with excessive input voltage detection circuits connected in series with diodes. A power supply device having a permissible input voltage range, wherein the first and second switch circuits are provided with respective switch circuits, and the operation of the power supply device is forcibly stopped when an input voltage is too low or too high by an OR operation of the first and second switch circuits.
JP29484U 1984-01-05 1984-01-05 Power supply with permissible input voltage range Granted JPS60114530U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP29484U JPS60114530U (en) 1984-01-05 1984-01-05 Power supply with permissible input voltage range

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29484U JPS60114530U (en) 1984-01-05 1984-01-05 Power supply with permissible input voltage range

Publications (2)

Publication Number Publication Date
JPS60114530U true JPS60114530U (en) 1985-08-02
JPH0130845Y2 JPH0130845Y2 (en) 1989-09-21

Family

ID=30472005

Family Applications (1)

Application Number Title Priority Date Filing Date
JP29484U Granted JPS60114530U (en) 1984-01-05 1984-01-05 Power supply with permissible input voltage range

Country Status (1)

Country Link
JP (1) JPS60114530U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01101189U (en) * 1987-12-25 1989-07-07
JPH01131289U (en) * 1988-03-03 1989-09-06
JPH02111262A (en) * 1988-10-20 1990-04-24 Hitachi Ltd Power circuit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5045941A (en) * 1973-08-29 1975-04-24
JPS58215919A (en) * 1982-06-09 1983-12-15 三菱電機株式会社 Low input voltage protecting circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5045941A (en) * 1973-08-29 1975-04-24
JPS58215919A (en) * 1982-06-09 1983-12-15 三菱電機株式会社 Low input voltage protecting circuit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01101189U (en) * 1987-12-25 1989-07-07
JPH01131289U (en) * 1988-03-03 1989-09-06
JPH02111262A (en) * 1988-10-20 1990-04-24 Hitachi Ltd Power circuit

Also Published As

Publication number Publication date
JPH0130845Y2 (en) 1989-09-21

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