DE102005054126A1 - Electromagnetic actuating unit controlling device for e.g. crash-active headrest, has control circuit configured such that voltage is drawn through resistance network for testing short-circuits, where circuit opens switches - Google Patents

Electromagnetic actuating unit controlling device for e.g. crash-active headrest, has control circuit configured such that voltage is drawn through resistance network for testing short-circuits, where circuit opens switches Download PDF

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Publication number
DE102005054126A1
DE102005054126A1 DE200510054126 DE102005054126A DE102005054126A1 DE 102005054126 A1 DE102005054126 A1 DE 102005054126A1 DE 200510054126 DE200510054126 DE 200510054126 DE 102005054126 A DE102005054126 A DE 102005054126A DE 102005054126 A1 DE102005054126 A1 DE 102005054126A1
Authority
DE
Germany
Prior art keywords
control circuit
circuits
drawn
resistance network
voltage
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.)
Ceased
Application number
DE200510054126
Other languages
German (de)
Inventor
Thomas Kottke
Jens Wirth
Claudia Messerschmidt
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
Priority to DE200510054126 priority Critical patent/DE102005054126A1/en
Publication of DE102005054126A1 publication Critical patent/DE102005054126A1/en
Ceased legal-status Critical Current

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Classifications

    • 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
    • H01F7/1844—Monitoring or fail-safe circuits

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electronic Switches (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Keying Circuit Devices (AREA)

Abstract

The device has an inductor (L) between a high-side switch (HS) and a low-side switch (LS), and a test circuit comprising a resistance network (R3), which is connected with the inductor and a ground. The test circuit has a potential switchable by a switch. A control circuit is configured in such a manner that a voltage is drawn through the resistance network (R3) for testing short-circuits, where the control circuit opens the switches (HS, LS) and opens or closes a transistor (T1). An independent claim is also included for a method for monitoring an ignition circuit of an electromagnetic actuating unit.
DE200510054126 2005-11-14 2005-11-14 Electromagnetic actuating unit controlling device for e.g. crash-active headrest, has control circuit configured such that voltage is drawn through resistance network for testing short-circuits, where circuit opens switches Ceased DE102005054126A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE200510054126 DE102005054126A1 (en) 2005-11-14 2005-11-14 Electromagnetic actuating unit controlling device for e.g. crash-active headrest, has control circuit configured such that voltage is drawn through resistance network for testing short-circuits, where circuit opens switches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200510054126 DE102005054126A1 (en) 2005-11-14 2005-11-14 Electromagnetic actuating unit controlling device for e.g. crash-active headrest, has control circuit configured such that voltage is drawn through resistance network for testing short-circuits, where circuit opens switches

Publications (1)

Publication Number Publication Date
DE102005054126A1 true DE102005054126A1 (en) 2007-05-16

Family

ID=37982666

Family Applications (1)

Application Number Title Priority Date Filing Date
DE200510054126 Ceased DE102005054126A1 (en) 2005-11-14 2005-11-14 Electromagnetic actuating unit controlling device for e.g. crash-active headrest, has control circuit configured such that voltage is drawn through resistance network for testing short-circuits, where circuit opens switches

Country Status (1)

Country Link
DE (1) DE102005054126A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007046488A1 (en) * 2007-09-28 2009-04-23 Continental Automotive Gmbh Method and device for diagnosis in integrated power bridge circuits
WO2013092490A1 (en) * 2011-12-20 2013-06-27 Robert Bosch Gmbh Method and device for operating a triggering device for passenger protection means
DE102010043306B4 (en) 2010-11-03 2023-06-07 Robert Bosch Gmbh Method for operating a magnetic switching element, electrical circuit for operating the magnetic switching element and a control and/or regulating device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007046488A1 (en) * 2007-09-28 2009-04-23 Continental Automotive Gmbh Method and device for diagnosis in integrated power bridge circuits
DE102007046488B4 (en) * 2007-09-28 2016-10-20 Continental Automotive Gmbh Method and device for diagnosis in integrated power bridge circuits
DE102010043306B4 (en) 2010-11-03 2023-06-07 Robert Bosch Gmbh Method for operating a magnetic switching element, electrical circuit for operating the magnetic switching element and a control and/or regulating device
WO2013092490A1 (en) * 2011-12-20 2013-06-27 Robert Bosch Gmbh Method and device for operating a triggering device for passenger protection means
CN104010888A (en) * 2011-12-20 2014-08-27 罗伯特·博世有限公司 Method and device for operating triggering device for passenger protection means
US9539972B2 (en) 2011-12-20 2017-01-10 Robert Bosch Gmbh Method and device for operating a trigger device for occupant protection means
CN104010888B (en) * 2011-12-20 2017-07-14 罗伯特·博世有限公司 Method and apparatus for driving the triggering device for occupant protection system

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Effective date: 20120822

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