JPS5716346A - Probe - Google Patents

Probe

Info

Publication number
JPS5716346A
JPS5716346A JP9042580A JP9042580A JPS5716346A JP S5716346 A JPS5716346 A JP S5716346A JP 9042580 A JP9042580 A JP 9042580A JP 9042580 A JP9042580 A JP 9042580A JP S5716346 A JPS5716346 A JP S5716346A
Authority
JP
Japan
Prior art keywords
flux
exciting coil
detection
coil
coils
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.)
Pending
Application number
JP9042580A
Other languages
Japanese (ja)
Inventor
Yoshikazu Takekoshi
Takeshi Yagisawa
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP9042580A priority Critical patent/JPS5716346A/en
Publication of JPS5716346A publication Critical patent/JPS5716346A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measuring Magnetic Variables (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

Abstract

PURPOSE:To detect the short-circuit between the layers of the laminated core as a structure member to be measured with a high sensitivity, by providing a magnetic flux detection coil outside the exciting coil for the detection of the flux perpendicular or parallel to it. CONSTITUTION:An exciting coil 2 is wound around an insulated nonmagnetic cylinder 1 and then flux detection coils 5 and 6 are wound over it coaxially. The coils 5 and 6 are wound around the exciting coil 2 at equal spaces to enable the detection of flux element perpendicular to the exciting coil 2 and connect them in reverse series. This probe is brought close to a laminated core 3 and a high-frequency current is supplied to the exciting coil 2, then the magnetic fluxes are produced in the main flux detection coil inside the exciting coil 2 and the flux detection coils 5 and 6. If there is no short-circuit between the layers of the core, there is no phase difference in the perpendicular element of the flux, as compared with the central flux of the exciting coil 2.
JP9042580A 1980-07-02 1980-07-02 Probe Pending JPS5716346A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9042580A JPS5716346A (en) 1980-07-02 1980-07-02 Probe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9042580A JPS5716346A (en) 1980-07-02 1980-07-02 Probe

Publications (1)

Publication Number Publication Date
JPS5716346A true JPS5716346A (en) 1982-01-27

Family

ID=13998244

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9042580A Pending JPS5716346A (en) 1980-07-02 1980-07-02 Probe

Country Status (1)

Country Link
JP (1) JPS5716346A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0288961A (en) * 1988-09-26 1990-03-29 Sumitomo Electric Ind Ltd Flaw detecting method for metallic wire or the like

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0288961A (en) * 1988-09-26 1990-03-29 Sumitomo Electric Ind Ltd Flaw detecting method for metallic wire or the like

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