JPH02136401U - - Google Patents

Info

Publication number
JPH02136401U
JPH02136401U JP1989045189U JP4518989U JPH02136401U JP H02136401 U JPH02136401 U JP H02136401U JP 1989045189 U JP1989045189 U JP 1989045189U JP 4518989 U JP4518989 U JP 4518989U JP H02136401 U JPH02136401 U JP H02136401U
Authority
JP
Japan
Prior art keywords
voltage
detection means
transistor
short
motor
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
JP1989045189U
Other languages
English (en)
Other versions
JP2553026Y2 (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 JP1989045189U priority Critical patent/JP2553026Y2/ja
Priority to US07/510,088 priority patent/US5179494A/en
Priority to GB9008676A priority patent/GB2231736B/en
Priority to DE4012362A priority patent/DE4012362C2/de
Publication of JPH02136401U publication Critical patent/JPH02136401U/ja
Application granted granted Critical
Publication of JP2553026Y2 publication Critical patent/JP2553026Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/20—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/04—Cutting off the power supply under fault conditions
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H02H3/10—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current additionally responsive to some other abnormal electrical conditions

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Control Of Direct Current Motors (AREA)
  • Protection Of Static Devices (AREA)

Description

【図面の簡単な説明】
第１図は本考案の原理を示す回路図、第２図は
本考案の一実施例を示す要部概略構成図、第３図
はプログラムのフローチヤート、第４図は他の実
施例を示す要部概略構成図、第５図はプログラム
のフローチヤート、第６図は従来技術を示す制御
装置の要部概略構成図、第７図は従来の短絡検出
のためのプログラムのフローチヤートである。 ２０……過電圧検出手段、２１……短絡検出手
段、２２……モータ、２３……トランジスタ。

Claims (1)

  1. 【実用新案登録請求の範囲】 モータの駆動制御を担うトランジスタの短絡状
    態を検出する短絡検出手段を有する電気自動車の
    制御装置の保護装置において、 前記トランジスタ、前記モータその他の構成部
    材に印加される電圧に基づく電圧と予め定められ
    た所定電圧との比較により過電圧を検出する過電
    圧検出手段を併有することを特徴とする保護装置
    。
JP1989045189U 1989-04-18 1989-04-18 保護装置 Expired - Lifetime JP2553026Y2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1989045189U JP2553026Y2 (ja) 1989-04-18 1989-04-18 保護装置
US07/510,088 US5179494A (en) 1989-04-18 1990-04-17 Excess voltage protection apparatus for an electric vehicle
GB9008676A GB2231736B (en) 1989-04-18 1990-04-18 Excess voltage protection apparatus and method
DE4012362A DE4012362C2 (de) 1989-04-18 1990-04-18 Steuereinheit zur Steuerung der Leistungszufuhr von einer Batterie zu einem Elektromotor eines Elektrofahrzeugs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989045189U JP2553026Y2 (ja) 1989-04-18 1989-04-18 保護装置

Publications (2)

Publication Number Publication Date
JPH02136401U true JPH02136401U (ja) 1990-11-14
JP2553026Y2 JP2553026Y2 (ja) 1997-11-05

Family

ID=12712322

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989045189U Expired - Lifetime JP2553026Y2 (ja) 1989-04-18 1989-04-18 保護装置

Country Status (4)

Country Link
US (1) US5179494A (ja)
JP (1) JP2553026Y2 (ja)
DE (1) DE4012362C2 (ja)
GB (1) GB2231736B (ja)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2257799B (en) * 1991-05-21 1995-03-08 Asahi Optical Co Ltd Power zoom lens and camera system having same
US5576655A (en) * 1991-11-29 1996-11-19 Fuji Electric Co., Ltd. High-withstand-voltage integrated circuit for driving a power semiconductor device
JP2914408B2 (ja) * 1991-11-29 1999-06-28 富士電機株式会社 高耐圧集積回路
US5808371A (en) * 1995-09-05 1998-09-15 Hitachi, Ltd. Apparatus for driving electrical loads provided at a vehicle
JP3292698B2 (ja) * 1998-07-10 2002-06-17 株式会社バンダイ 電子機器装置
WO2002043064A2 (en) * 2000-11-27 2002-05-30 Seagate Technology Llc Motor start-up current control apparatus and method
DE10222149A1 (de) * 2002-05-17 2003-12-11 Siemens Ag Schutzschaltung
AU2002950581A0 (en) * 2002-08-02 2002-09-12 Wayne Callen Electrical safety circuit
US7123133B2 (en) * 2004-04-15 2006-10-17 Preco Electronics, Inc. Combined back-up and battery low-level alarm for vehicle
DE102007036667A1 (de) * 2007-08-03 2009-02-26 BSH Bosch und Siemens Hausgeräte GmbH Einrichtung und Verfahren zum Betreiben eines elektrischen Verbrauchers
US20170310098A1 (en) * 2016-04-20 2017-10-26 David R. Pacholok Surge Voltage Protection Circuit for Direct Line Operated Induction Heaters and Method of Operation
CN108845178A (zh) * 2018-06-15 2018-11-20 珠海格力电器股份有限公司 一种三相交流电机的过流检测电路及实时检测控制方法
RU190081U1 (ru) * 2018-12-04 2019-06-18 Публичное акционерное общество "Транснефть" (ПАО "Транснефть") Устройство для защиты от перенапряжений на обмотке возбуждения синхронной машины с бесщеточной системой возбуждения

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51142624A (en) * 1976-05-31 1976-12-08 Hitachi Ltd An electric car protective device
JPS5364997A (en) * 1976-11-22 1978-06-09 Tanabe Zenjirou Method and device for preventing gas fire under earthquake

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2142711C3 (de) * 1971-08-26 1975-07-10 Bodenseewerk Geraetetechnik Gmbh, 7770 Ueberlingen Signalprüfschaltung für Signale, für welche bestimmte Toleranzbereiche vorgegeben sind
US3914675A (en) * 1973-09-17 1975-10-21 Gen Electric Fault detector circuit for electric vehicle control
JPS5425006A (en) * 1977-07-27 1979-02-24 Mitsubishi Electric Corp Device for limiting overvoltage of electric motor vehicle
DE2939338A1 (de) * 1979-09-28 1981-04-16 Robert Bosch Gmbh, 7000 Stuttgart Schaltungsanordnung fuer elektrische verbraucher
JPS56108700A (en) * 1980-01-28 1981-08-28 Nissan Motor Battery fork lift
JPS58165633A (ja) * 1982-03-26 1983-09-30 日産自動車株式会社 バツテリフオ−ク用バツテリ充電警報装置
US4449080A (en) * 1982-05-27 1984-05-15 General Electric Company Electric vehicle protection scheme
DE3229750C2 (de) * 1982-08-10 1984-06-07 Siemens AG, 1000 Berlin und 8000 München Überwachungseinheit für Meßwerte, insbesondere eines Stromrichter-Zwischenkreises
JPS60121989A (ja) * 1983-11-30 1985-06-29 Nippon Seiki Co Ltd 直流モ−タ駆動回路における過電流保護回路
US4893211A (en) * 1985-04-01 1990-01-09 Motorola, Inc. Method and circuit for providing adjustable control of short circuit current through a semiconductor device
DE3529384A1 (de) * 1985-08-16 1987-02-19 Siemens Ag Vorrichtung zur ueberwachung einer vorbestimmten spannung
US4698582A (en) * 1986-07-23 1987-10-06 Motorola, Inc. Power driver having short circuit protection
AT389174B (de) * 1987-04-08 1989-10-25 Siemens Ag Oesterreich Schaltung zur ueberwachung mehrerer analoger groessen
JPS63296409A (ja) * 1987-05-27 1988-12-02 Nec Ic Microcomput Syst Ltd 駆動回路
US4816963A (en) * 1987-12-21 1989-03-28 General Motors Corporation Apparatus for protecting a transistor in the event of a shorted load condition
JP2635120B2 (ja) * 1988-09-07 1997-07-30 株式会社日立製作所 誘導機の制御装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51142624A (en) * 1976-05-31 1976-12-08 Hitachi Ltd An electric car protective device
JPS5364997A (en) * 1976-11-22 1978-06-09 Tanabe Zenjirou Method and device for preventing gas fire under earthquake

Also Published As

Publication number Publication date
DE4012362C2 (de) 1997-02-06
JP2553026Y2 (ja) 1997-11-05
US5179494A (en) 1993-01-12
GB9008676D0 (en) 1990-06-13
GB2231736B (en) 1993-04-28
DE4012362A1 (de) 1990-10-25
GB2231736A (en) 1990-11-21

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term