SE9400177L - Magnetic sensor, method of making one, and use thereof - Google Patents

Magnetic sensor, method of making one, and use thereof

Info

Publication number
SE9400177L
SE9400177L SE9400177A SE9400177A SE9400177L SE 9400177 L SE9400177 L SE 9400177L SE 9400177 A SE9400177 A SE 9400177A SE 9400177 A SE9400177 A SE 9400177A SE 9400177 L SE9400177 L SE 9400177L
Authority
SE
Sweden
Prior art keywords
glass fibre
polymer material
induction coil
conductors
coil
Prior art date
Application number
SE9400177A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE9400177D0 (en
SE501461C2 (en
Inventor
Hans Olof Oeberg
Original Assignee
Argos Ab
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 Argos Ab filed Critical Argos Ab
Priority to SE9400177A priority Critical patent/SE501461C2/en
Publication of SE9400177D0 publication Critical patent/SE9400177D0/en
Publication of SE9400177L publication Critical patent/SE9400177L/en
Publication of SE501461C2 publication Critical patent/SE501461C2/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • H01F41/12—Insulating of windings
    • H01F41/127—Encapsulating or impregnating

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

The sensor is formed as a self-supporting composite product comprising one or more parallel electrical conductors which are wound in cylindrical coil form together with glass fibre wires, and where the unit of conductors and glass fibre wires during the winding process is impregnated with a polymer material. The polymer material is made to harden so that the induction coil (11) forms a solid strong ring consisting of conductors-glass fibre reinforcement - polymer material. The ring-shaped induction coil is of bipolar character and has an axial length which is considerably less than its cross-sectional dia., e.g. only 5-10% of the cross-sectional dia.. The induction coil is encapsulated in a further layer (9,10) of elastomer material, so that the coil is completely watertight.
SE9400177A 1994-01-21 1994-01-21 Magnetic sensor for installing on underwater coastal defences - is formed as induction coil with axial length very small in relation to coil dia. and provided with connections for ingoing and outgoing coupling conduits SE501461C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE9400177A SE501461C2 (en) 1994-01-21 1994-01-21 Magnetic sensor for installing on underwater coastal defences - is formed as induction coil with axial length very small in relation to coil dia. and provided with connections for ingoing and outgoing coupling conduits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9400177A SE501461C2 (en) 1994-01-21 1994-01-21 Magnetic sensor for installing on underwater coastal defences - is formed as induction coil with axial length very small in relation to coil dia. and provided with connections for ingoing and outgoing coupling conduits

Publications (3)

Publication Number Publication Date
SE9400177D0 SE9400177D0 (en) 1994-01-21
SE9400177L true SE9400177L (en) 1995-02-20
SE501461C2 SE501461C2 (en) 1995-02-20

Family

ID=20392641

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9400177A SE501461C2 (en) 1994-01-21 1994-01-21 Magnetic sensor for installing on underwater coastal defences - is formed as induction coil with axial length very small in relation to coil dia. and provided with connections for ingoing and outgoing coupling conduits

Country Status (1)

Country Link
SE (1) SE501461C2 (en)

Also Published As

Publication number Publication date
SE9400177D0 (en) 1994-01-21
SE501461C2 (en) 1995-02-20

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Legal Events

Date Code Title Description
NUG Patent has lapsed