JPS6270688U - - Google Patents

Info

Publication number
JPS6270688U
JPS6270688U JP1985161331U JP16133185U JPS6270688U JP S6270688 U JPS6270688 U JP S6270688U JP 1985161331 U JP1985161331 U JP 1985161331U JP 16133185 U JP16133185 U JP 16133185U JP S6270688 U JPS6270688 U JP S6270688U
Authority
JP
Japan
Prior art keywords
voltage
peak
value
detects
abnormality detection
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
JP1985161331U
Other languages
English (en)
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 JP1985161331U priority Critical patent/JPS6270688U/ja
Priority to US06/920,591 priority patent/US4717997A/en
Priority to DE3635789A priority patent/DE3635789C2/de
Publication of JPS6270688U publication Critical patent/JPS6270688U/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Protection Of Static Devices (AREA)

Description

【図面の簡単な説明】
第１図は本考案によるスイツチングレギユレー
タの異常検出回路の一実施例を示す回路図、第２
図は第１図における各部波形図、第３図は従来の
スイツチングレギユレータの異常検出回路の一例
を示す図、第４図は従来回路の電圧レベル検出点
を示すＶｏｕｔ―Ｖｉｎ特性図、第５図は本考案
における電圧レベル検出点を示すＶｘ―Ｖｉｎお
よびＶｏｕｔ―Ｖｉｎ特性図、第６図〜第８図は
それぞれ本考案の他の実施例を示す回路図である
。 １，１２……トランジスタ、２，６，１１……
抵抗、３，８……ダイオード、４……トランス、
５，７，９……コンデンサ、１０……ツエナダイ
オード。

Claims (1)

    【実用新案登録請求の範囲】
  1. フライバツク方式のスイツチングレギユレータ
    の入力電圧の異常を検出するスイツチングレギユ
    レータの異常検出回路において、ダイオードを介
    して定電圧制御された直流電圧をあたえるトラン
    ジスタ二次巻線に上記ダイオードと逆極性に発生
    する電圧のピーク値を検出するピーク充電回路と
    、上記ピーク電圧値を設定値と比較しその大小に
    応じてオンオフ信号を出力する電圧比較回路を備
    えたことを特徴とするスイツチングレギユレータ
    の異常検出回路。
JP1985161331U 1985-10-23 1985-10-23 Pending JPS6270688U (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1985161331U JPS6270688U (ja) 1985-10-23 1985-10-23
US06/920,591 US4717997A (en) 1985-10-23 1986-10-20 Abnormal condition detective circuit for a switching regulator
DE3635789A DE3635789C2 (de) 1985-10-23 1986-10-21 Schaltregler mit einem selbstschwingenden Sperrwandler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985161331U JPS6270688U (ja) 1985-10-23 1985-10-23

Publications (1)

Publication Number Publication Date
JPS6270688U true JPS6270688U (ja) 1987-05-06

Family

ID=15733050

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985161331U Pending JPS6270688U (ja) 1985-10-23 1985-10-23

Country Status (3)

Country Link
US (1) US4717997A (ja)
JP (1) JPS6270688U (ja)
DE (1) DE3635789C2 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3840406A1 (de) * 1987-11-30 1989-06-08 Gold Star Co Schutzschaltung fuer eine schaltmodus-stromversorgungsschaltung
FR2625050B1 (fr) * 1987-12-18 1994-04-08 Signaux Equip Electroniques Cie Procede et dispositif pour s'affranchir des perturbations engendrees par les commutateurs de puissance
JPH01311863A (ja) * 1988-06-09 1989-12-15 Fanuc Ltd 電圧低下検出回路
US4825350A (en) * 1988-07-21 1989-04-25 General Electric Company Method and apparatus for detecting a reduction in the input voltage to a power supply
US20060267413A1 (en) * 2005-05-19 2006-11-30 Emerson Electric Co. AC line voltage measuring system for a switch mode flyback power supply
CN114839419B (zh) * 2022-04-21 2023-12-22 国网江苏省电力有限公司电力科学研究院 一种高压电缆线路金属护套最大运行感应电压的测试系统及方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3935511A (en) * 1973-12-26 1976-01-27 Texas Instruments Incorporated Current inrush limiter
JPS5283127A (en) * 1975-12-31 1977-07-11 Fujitsu Ltd Instantaneous power cut detecting circuit
US4323961A (en) * 1980-09-12 1982-04-06 Astec Components, Ltd. Free-running flyback DC power supply
DE3322747A1 (de) * 1983-06-24 1985-01-03 Basf Ag, 6700 Ludwigshafen Thermoplastische formmasse
JPS6093443A (ja) * 1983-10-28 1985-05-25 Ricoh Co Ltd 電子写真用感光体

Also Published As

Publication number Publication date
US4717997A (en) 1988-01-05
DE3635789C2 (de) 1993-10-28
DE3635789A1 (de) 1987-04-30

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