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
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
PCT/DE2002/002627
Other languages
English (en)
French (fr)
Other versions
WO2003019208A2 (de
Inventor
Wolfgang-Michael Mueller
Wolfgang Schmidt
Jochen Groeger
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 WO2003019208A2 publication Critical patent/WO2003019208A2/de
Publication of WO2003019208A3 publication Critical patent/WO2003019208A3/de
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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 Ceased 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 Ceased 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
JP6643327B2 (ja) * 2014-09-22 2020-02-12 パンドウィット・コーポレーション 電圧の欠如を確認するためのシステム
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

Similar Documents

Publication Publication Date Title
WO2002015458A3 (en) Discovering hidden damage in machinery and predicting remaining life
CA2240543A1 (en) Method and device for checking a sensor
WO2001023885A8 (en) Test device
CA2460745A1 (en) Packaging systems, apparatus and method therefor
EP0842848A3 (de) Vorrichtung zum Messen der Eisdicke
FR2870350B1 (fr) Dispositif de mesure d'un courant electrique, capteur de courant, declencheur electrique et dispositif de coupure comportant un tel dispositif de mesure
WO2004008487A3 (en) Test system and methodology
WO2005119411A3 (en) Accessory identifier in an electronic device
WO2001052185A3 (de) Verfahren und vorrichtung zur überwachung wartungsintensiver austauschteile an einem aggregat
WO2005062267A3 (en) Activity monitoring
TW347467B (en) Method and apparatus for testing an electrically conductive substrate
WO2005050228A3 (en) Electrochemical impedance measurement system and method for use thereof
WO2004001552A3 (en) Identification system and method for recognizing any one of a number of different types of devices
ATE180065T1 (de) Fabrikationsfehleranalysator mit verbesserter fehlererfassung
WO2004033032A3 (en) Connection verification apparatus, system, and method
CA2334951A1 (en) Voltage measuring device
AU2003303703A1 (en) Detection of tampering of a smart card interface
WO2007080527A3 (en) Testable integrated circuit and ic test method
WO2003019208A3 (de) Prüfschaltung
AU2002214051A1 (en) System for testing an electric high frequency signal and level measuring device provided with said system
WO2002067318A3 (de) Elektromigrations-teststruktur zur erfassung der zuverlässigkeit von verdrahtungen
AU2001293734A1 (en) Method and device for testing printed circuit boards with a parallel tester
IT1283750B1 (it) Procedimento e dispositivo per il controllo funzionale del rilevamento dei valori di misurazione in un comando elettronico di potenza di un
WO2004053430A3 (en) Sensor arrangements and methods of determining a characteristic of a sample fluid using such sensor arrangements
WO2003055388A3 (de) Einrichtung und verfahren zur bestimmung von kenngrössen der bewegung eines körpers

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A2

Designated state(s): JP US

Kind code of ref document: A2

Designated state(s): JP

AL Designated countries for regional patents

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FR GB GR IE IT LU MC NL PT SE SK TR

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LU MC NL PT SE SK TR

121 Ep: the epo has been informed by wipo that ep was designated in this application
DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
NENP Non-entry into the national phase

Ref country code: JP

WWW Wipo information: withdrawn in national office

Country of ref document: JP