WO2003019208A3 - Prüfschaltung - Google Patents

Prüfschaltung Download PDF

Info

Publication number
WO2003019208A3
WO2003019208A3 PCT/DE2002/002627 DE0202627W WO03019208A3 WO 2003019208 A3 WO2003019208 A3 WO 2003019208A3 DE 0202627 W DE0202627 W DE 0202627W WO 03019208 A3 WO03019208 A3 WO 03019208A3
Authority
WO
WIPO (PCT)
Prior art keywords
sensor device
sensor
capacitance
check circuit
circuit
Prior art date
Application number
PCT/DE2002/002627
Other languages
English (en)
French (fr)
Other versions
WO2003019208A2 (de
Inventor
Wolfgang-Michael Mueller
Wolfgang Schmidt
Jochen Groeger
Original Assignee
Bosch Gmbh Robert
Wolfgang-Michael Mueller
Wolfgang Schmidt
Jochen Groeger
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 Bosch Gmbh Robert, Wolfgang-Michael Mueller, Wolfgang Schmidt, Jochen Groeger filed Critical Bosch Gmbh Robert
Publication of WO2003019208A2 publication Critical patent/WO2003019208A2/de
Publication of WO2003019208A3 publication Critical patent/WO2003019208A3/de

Links

Classifications

    • 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
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
    • G01R31/2829—Testing of circuits in sensor or actuator systems

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Testing Of Engines (AREA)

Abstract

Die vorliegende Erfindung schafft eine Schaltung (1) zum Prüfen des Funktionszustandes einer Sensoreinrichtung (2), insbesondere eines Klopfsensors zur Motorüberwachung, und ein entsprechendes Verfahren, mit: mindestens einer Schalteinrichtung (7) zum Aktivieren eines Prüfschaltkreises; einer Wechselspannungsquelle (3) zum Liefern einer Wechselspannung an die zu prüfende Sensoreinrichtung (2); einer Erfassungseinrichtung (4) zum Erfassen eines der Kapazität (20) der Sensoreinrichtung (2) zugeordneten Prüfsignals; und mit einer Auswerteeinrichtung (5) zum Auswerten des der Kapazität (20) zugeordneten Prüfsignals für eine Bestimmung des Funktionszustandes der Sensoreinrichtung (2).
PCT/DE2002/002627 2001-08-21 2002-07-18 Prüfschaltung WO2003019208A2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10140855.2 2001-08-21
DE2001140855 DE10140855A1 (de) 2001-08-21 2001-08-21 Prüfschaltung

Publications (2)

Publication Number Publication Date
WO2003019208A2 WO2003019208A2 (de) 2003-03-06
WO2003019208A3 true WO2003019208A3 (de) 2003-08-07

Family

ID=7696069

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2002/002627 WO2003019208A2 (de) 2001-08-21 2002-07-18 Prüfschaltung

Country Status (2)

Country Link
DE (1) DE10140855A1 (de)
WO (1) WO2003019208A2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10362049B9 (de) * 2003-08-12 2018-05-03 Infineon Technologies Ag In-Betrieb-Test eines Signalpfades
FI120803B (fi) * 2007-05-21 2010-03-15 Waertsilae Finland Oy Ilmaisinjärjestely
US7562558B2 (en) * 2007-09-11 2009-07-21 Gm Global Technology Operations, Inc. Knock sensor diagnostic system and method
DE102008019674B4 (de) * 2008-04-18 2013-06-06 Audi Hungaria Motor Kft. Verfahren und Vorrichtung zum Prüfen mindestens eines einer Brennkraftmaschine zugeordneten Klopfsensors
US7936175B2 (en) * 2008-05-13 2011-05-03 Brüel & Kjaer Sound & Vibration Measurement A/S Full function test for in situ test of sensors and amplifiers
EP3422024B1 (de) 2014-09-22 2022-09-07 Panduit Corp Ein system für die überprüfung der spannungsabwesenheit
GB2553844B (en) * 2016-09-19 2018-11-14 Caterpillar Energy Solutions Gmbh System for detecting a fault condition associated with a knock sensor of an engine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3506114A1 (de) * 1985-02-22 1986-09-04 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur steuerung oder regelung einer brennkraftmaschine
JP2000008940A (ja) * 1998-06-23 2000-01-11 Honda Motor Co Ltd ノックセンサのフェール検出装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3506114A1 (de) * 1985-02-22 1986-09-04 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur steuerung oder regelung einer brennkraftmaschine
JP2000008940A (ja) * 1998-06-23 2000-01-11 Honda Motor Co Ltd ノックセンサのフェール検出装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 04 31 August 2000 (2000-08-31) *

Also Published As

Publication number Publication date
DE10140855A1 (de) 2003-03-06
WO2003019208A2 (de) 2003-03-06

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