JPS57119260A - Detecting method for trouble on dc solenoid device - Google Patents

Detecting method for trouble on dc solenoid device

Info

Publication number
JPS57119260A
JPS57119260A JP56005388A JP538881A JPS57119260A JP S57119260 A JPS57119260 A JP S57119260A JP 56005388 A JP56005388 A JP 56005388A JP 538881 A JP538881 A JP 538881A JP S57119260 A JPS57119260 A JP S57119260A
Authority
JP
Japan
Prior art keywords
peak value
processor
solenoid device
trouble
positive
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
JP56005388A
Other languages
Japanese (ja)
Other versions
JPH0350225B2 (en
Inventor
Michio Urata
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.)
Kawasaki Heavy Industries Ltd
Kawasaki Motors Ltd
Original Assignee
Kawasaki Heavy Industries Ltd
Kawasaki Jukogyo KK
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 Kawasaki Heavy Industries Ltd, Kawasaki Jukogyo KK filed Critical Kawasaki Heavy Industries Ltd
Priority to JP56005388A priority Critical patent/JPS57119260A/en
Publication of JPS57119260A publication Critical patent/JPS57119260A/en
Publication of JPH0350225B2 publication Critical patent/JPH0350225B2/ja
Granted 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
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/72—Testing of electric windings

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)

Abstract

PURPOSE:To enable to perform an easy and reliable detection of the presence of a trouble on a DC solenoid device, by comparing an initial change property of an exciting current with a value at a normal time. CONSTITUTION:A current transformer 6 detects an exciting current of a DC soleniod device 1 at a closing time of a switch 4 to determine a peak value by means of a peak hold circuit 7. When a positive peak value P is applied to a processor 10 vai an A/D converter 9, an FF12, simultaneously, is set by a pulse generating circuit 11 actuating in response to the peak value. A negative peak value is determined in a similar manner by an inversion current running through an inversion circuit 13, a negative peak value Q, being A/D-converted, is inputted to the processor 10, and the FF12 is reset to apply the set output of the FF12, corresponding to a period DELTAf between the positive and negative peak values, to the processor 10. The positive and negative peak values P and Q, being stored in a memory 19 in the processor 10 and being under a normal condition, are compared with the initial charge property of the period DELTAf between the two peak values, and this simply and reliably detects the presence of a trouble on the DC solenoid device. Accordingly, the size precision of the solenoid device can also be ascertained.
JP56005388A 1981-01-17 1981-01-17 Detecting method for trouble on dc solenoid device Granted JPS57119260A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56005388A JPS57119260A (en) 1981-01-17 1981-01-17 Detecting method for trouble on dc solenoid device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56005388A JPS57119260A (en) 1981-01-17 1981-01-17 Detecting method for trouble on dc solenoid device

Publications (2)

Publication Number Publication Date
JPS57119260A true JPS57119260A (en) 1982-07-24
JPH0350225B2 JPH0350225B2 (en) 1991-08-01

Family

ID=11609773

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56005388A Granted JPS57119260A (en) 1981-01-17 1981-01-17 Detecting method for trouble on dc solenoid device

Country Status (1)

Country Link
JP (1) JPS57119260A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008003039A (en) * 2006-06-26 2008-01-10 Chugoku Electric Power Co Inc:The Apparatus for monitoring operation of lock out device, disconnector, and operation management method for lock out device
JP2010503572A (en) * 2006-09-16 2010-02-04 コンチネンタル アクチェンゲゼルシャフト Method for controlling and / or adjusting the height of a vehicle body of an automobile

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5169123U (en) * 1974-11-27 1976-06-01
JPS5528342A (en) * 1978-08-21 1980-02-28 Kawasaki Steel Corp Detecting method for fall of ansatz of blast furnace

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5169123U (en) * 1974-11-27 1976-06-01
JPS5528342A (en) * 1978-08-21 1980-02-28 Kawasaki Steel Corp Detecting method for fall of ansatz of blast furnace

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008003039A (en) * 2006-06-26 2008-01-10 Chugoku Electric Power Co Inc:The Apparatus for monitoring operation of lock out device, disconnector, and operation management method for lock out device
JP2010503572A (en) * 2006-09-16 2010-02-04 コンチネンタル アクチェンゲゼルシャフト Method for controlling and / or adjusting the height of a vehicle body of an automobile

Also Published As

Publication number Publication date
JPH0350225B2 (en) 1991-08-01

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