JPH01170054U - - Google Patents

Info

Publication number
JPH01170054U
JPH01170054U JP1988062451U JP6245188U JPH01170054U JP H01170054 U JPH01170054 U JP H01170054U JP 1988062451 U JP1988062451 U JP 1988062451U JP 6245188 U JP6245188 U JP 6245188U JP H01170054 U JPH01170054 U JP H01170054U
Authority
JP
Japan
Prior art keywords
power supply
selection switch
circuit
cpu
contact
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
JP1988062451U
Other languages
English (en)
Other versions
JPH05459Y2 (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 JP1988062451U priority Critical patent/JPH05459Y2/ja
Priority to US07/346,535 priority patent/US4999775A/en
Priority to GB8910343A priority patent/GB2219153A/en
Priority to DE3915269A priority patent/DE3915269A1/de
Publication of JPH01170054U publication Critical patent/JPH01170054U/ja
Application granted granted Critical
Publication of JPH05459Y2 publication Critical patent/JPH05459Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/017—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including arrangements for providing electric power to safety arrangements or their actuating means, e.g. to pyrotechnic fuses or electro-mechanic valves
    • B60R21/0173—Diagnostic or recording means therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/005—Testing of electric installations on transport means
    • G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
    • G01R31/007—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks using microprocessors or computers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Air Bags (AREA)
  • Debugging And Monitoring (AREA)
  • Test And Diagnosis Of Digital Computers (AREA)

Description

【図面の簡単な説明】
第１図はエアバツグ故障診断回路の電源回路を
示す図、第２図は電源回路の他の実施例の図、第
３図は従来の電源回路のブロツク図である。 １１……被検出素子、１２……故障検出回路、
１３……ＣＰＵ、１４……記憶素子、２１……車
載バツテリ、２２……電源選択スイツチ、２２Ａ
，２２Ｂ……接点、２３……イグニツシヨンスイ
ツチ、２４……リレー、２５……駆動回路、３１
……ＯＲゲート、３２……駆動トランジスタ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 時計機能をもつＣＰＵを搭載したエアバツグ故
    障診断回路の電源回路において、車載電源ならび
    にイグニツシヨンスイツチと直列に組込まれた接
    点と、車載電源に直列であつてイグニツシヨンス
    イツチと並列な接点とを有する電源選択スイツチ
    と、この電源選択スイツチに接続されているＣＰ
    Ｕ電源端子と、ＣＰＵからの出力で駆動される前
    記電源選択スイツチの駆動回路とを備え、故障発
    生後にＣＰＵ電源が常時オンされるように構成し
    たことを特徴とするエアバツグ故障診断回路の電
    源回路。
JP1988062451U 1988-05-11 1988-05-11 Expired - Lifetime JPH05459Y2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1988062451U JPH05459Y2 (ja) 1988-05-11 1988-05-11
US07/346,535 US4999775A (en) 1988-05-11 1989-05-02 Power apparatus for diagnosing air bag equipment
GB8910343A GB2219153A (en) 1988-05-11 1989-05-05 Power supply for fault diagnosis apparatus of vehicle air bag equipment
DE3915269A DE3915269A1 (de) 1988-05-11 1989-05-10 Stromversorgungsgeraet fuer ein diagnosegeraet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988062451U JPH05459Y2 (ja) 1988-05-11 1988-05-11

Publications (2)

Publication Number Publication Date
JPH01170054U true JPH01170054U (ja) 1989-11-30
JPH05459Y2 JPH05459Y2 (ja) 1993-01-07

Family

ID=13200583

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988062451U Expired - Lifetime JPH05459Y2 (ja) 1988-05-11 1988-05-11

Country Status (4)

Country Link
US (1) US4999775A (ja)
JP (1) JPH05459Y2 (ja)
DE (1) DE3915269A1 (ja)
GB (1) GB2219153A (ja)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4546539A (en) * 1982-12-08 1985-10-15 Harris Corporation I2 L Structure and fabrication process compatible with high voltage bipolar transistors
JPH0343058U (ja) * 1989-09-06 1991-04-23
JP2530230B2 (ja) * 1989-10-18 1996-09-04 株式会社リコー デ―タ端末装置
US5243324A (en) * 1991-11-07 1993-09-07 Ford Motor Company Method of detecting a fault in an automotive system
JP2779283B2 (ja) * 1991-12-26 1998-07-23 三菱電機株式会社 乗員保護装置
US5422965A (en) * 1992-02-18 1995-06-06 Hitachi, Ltd. Air bag operation device
US5309030A (en) * 1992-10-19 1994-05-03 Delco Electronics Corporation Current source for a supplemental inflatable restraint system
US5433101A (en) * 1993-07-12 1995-07-18 Ford Motor Company Method and apparatus for self-testing a single-point automotive impact sensing system
JP2730853B2 (ja) * 1993-10-15 1998-03-25 富士通テン株式会社 エアバッグ電子制御装置
US5547149A (en) * 1994-05-16 1996-08-20 Flight Safety Systems Inc. Aircraft airbag protection apparatus and method
GB9509649D0 (en) * 1995-05-12 1995-07-05 Rover Group A vehicle electrical system
US6064928A (en) * 1997-04-24 2000-05-16 Automation Systems Laboratory, Inc. Mechanical sensor diagnostic method and system
JP3572921B2 (ja) * 1998-01-06 2004-10-06 日産自動車株式会社 エアバック装置
US6046511A (en) * 1998-05-08 2000-04-04 Delco Electronics Corporation Fault tolerant power supply and bus topology for a distributed architecture supplemental restraint system
JP3656442B2 (ja) * 1999-01-26 2005-06-08 日産自動車株式会社 エアバッグ故障表示装置
US7158870B2 (en) * 2002-01-24 2007-01-02 Ford Global Technologies, Llc Post collision restraints control module
JP4149415B2 (ja) * 2004-05-31 2008-09-10 株式会社ケーヒン 昇圧電源制御装置および昇圧電源制御装置の故障部位特定判定方法
DE102012222928A1 (de) * 2012-12-12 2014-06-12 Robert Bosch Gmbh Vorladeschaltung zum Laden eines Zwischenkreiskondensators
JP6794944B2 (ja) * 2017-06-30 2020-12-02 株式会社デンソー 電源制御装置及び電池ユニット

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5321586B2 (ja) * 1973-07-06 1978-07-04
JPS5823263B2 (ja) * 1977-09-08 1983-05-13 株式会社デンソー エアバツグ装置の起動装置
JPS5447244A (en) * 1977-09-20 1979-04-13 Nippon Denso Co Ltd Trouble detector for air bag appliance
JPS5766050A (en) * 1980-10-02 1982-04-22 Nippon Denso Co Ltd Mesexplosion recording device of air bag device
US4359715A (en) * 1980-12-22 1982-11-16 Ford Motor Company Coded failure indicator for an air bag system
GB2105890B (en) * 1981-07-23 1985-02-20 Probe Eng Co Ltd Taximeters
JPH0323892Y2 (ja) * 1984-10-16 1991-05-24
DE3506487A1 (de) * 1985-02-23 1986-09-04 Daimler-Benz Ag, 7000 Stuttgart Spannungsversorgungseinrichtung fuer eine insassenschutzvorrichtung in einem fahrzeug
JPS62122827A (ja) * 1985-11-22 1987-06-04 Isuzu Motors Ltd 電子制御装置における電源制御装置
DE3639065C2 (de) * 1986-11-14 1997-01-09 Bosch Gmbh Robert Verfahren zur Überwachung eines rechnergesteuerte Stellglieder ansteuernden Prozeßrechners
US4851705A (en) * 1988-09-23 1989-07-25 Automotive Systems Laboratory, Inc. Firing circuit for a vehicle passenger restraint system

Also Published As

Publication number Publication date
GB8910343D0 (en) 1989-06-21
US4999775A (en) 1991-03-12
DE3915269A1 (de) 1989-11-23
GB2219153A (en) 1989-11-29
JPH05459Y2 (ja) 1993-01-07

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