GB2333914B - Method and monitoring means for monitoring switching means - Google Patents

Method and monitoring means for monitoring switching means

Info

Publication number
GB2333914B
GB2333914B GB9900942A GB9900942A GB2333914B GB 2333914 B GB2333914 B GB 2333914B GB 9900942 A GB9900942 A GB 9900942A GB 9900942 A GB9900942 A GB 9900942A GB 2333914 B GB2333914 B GB 2333914B
Authority
GB
United Kingdom
Prior art keywords
monitoring
switching means
switching
monitoring switching
monitoring means
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.)
Expired - Fee Related
Application number
GB9900942A
Other versions
GB2333914A (en
Inventor
Fred Linke
Hans-Heinrich Milewski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB2333914A publication Critical patent/GB2333914A/en
Application granted granted Critical
Publication of GB2333914B publication Critical patent/GB2333914B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/002—Monitoring or fail-safe circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
    • H01F7/1805—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current
    • H01F7/1816—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current making use of an energy accumulator
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
    • H01F7/1805—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current
    • H01F7/1816—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current making use of an energy accumulator
    • H01F2007/1822—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current making use of an energy accumulator using a capacitor to produce a boost voltage
GB9900942A 1998-01-31 1999-01-15 Method and monitoring means for monitoring switching means Expired - Fee Related GB2333914B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1998103851 DE19803851A1 (en) 1998-01-31 1998-01-31 Method and device for monitoring a switching device

Publications (2)

Publication Number Publication Date
GB2333914A GB2333914A (en) 1999-08-04
GB2333914B true GB2333914B (en) 2000-03-22

Family

ID=7856290

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9900942A Expired - Fee Related GB2333914B (en) 1998-01-31 1999-01-15 Method and monitoring means for monitoring switching means

Country Status (3)

Country Link
JP (1) JPH11265630A (en)
DE (1) DE19803851A1 (en)
GB (1) GB2333914B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003139810A (en) 2001-10-31 2003-05-14 Toyoda Mach Works Ltd Relay failure detecting apparatus
US6909285B2 (en) 2002-09-11 2005-06-21 Visteon Global Technologies, Inc. Method for detecting failure of a relay
JP4352253B2 (en) * 2004-01-29 2009-10-28 株式会社デンソー Vehicle transmission ratio variable steering device
DE102005017135A1 (en) * 2005-04-14 2006-10-19 Conti Temic Microelectronic Gmbh Method and device for detecting a load connected to a relay
US9718366B2 (en) * 2011-12-28 2017-08-01 Kawasaki Jukogyo Kabushiki Kaisha Electric vehicle and operation method of control device in electric vehicle
CN104330726B (en) * 2014-10-24 2017-07-21 华晨汽车集团控股有限公司 A kind of relay status diagnostic method for high voltage loop of electric automobile

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4205307A (en) * 1978-10-30 1980-05-27 Wabco Westinghouse Gmbh Device for monitoring the function of electromagnets
WO1998027566A1 (en) * 1996-12-19 1998-06-25 Physio-Control Manufacturing Corporation Method and system for detecting relay failure

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4205307A (en) * 1978-10-30 1980-05-27 Wabco Westinghouse Gmbh Device for monitoring the function of electromagnets
WO1998027566A1 (en) * 1996-12-19 1998-06-25 Physio-Control Manufacturing Corporation Method and system for detecting relay failure

Also Published As

Publication number Publication date
GB2333914A (en) 1999-08-04
JPH11265630A (en) 1999-09-28
DE19803851A1 (en) 1999-08-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20040115