Induction type geomagnetic field measuring experimental instrument

A geomagnetic field and inductive technology, applied in the field of physics and geophysics experimental instruments, can solve the problems of complex measurement methods and expensive equipment

Inactive Publication Date: 2007-01-31
CHINA UNIV OF GEOSCIENCES (WUHAN)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These measurement methods are more complex and require more expensive equipment

Method used

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  • Induction type geomagnetic field measuring experimental instrument
  • Induction type geomagnetic field measuring experimental instrument
  • Induction type geomagnetic field measuring experimental instrument

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Experimental program
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Embodiment Construction

[0014] Such as figure 1 , figure 2 As shown, the inductive geomagnetic field measurement experiment instrument is composed of a geomagnetic field sensing device, a slot-type photocoupler drive circuit, a preamplifier circuit, a data acquisition and a digital signal processing circuit; the geomagnetic field sensing device includes a bracket 1, a light blocking Sheet 2, coil end rotation spring brake 3, second slot photoelectric coupler 4, coil frame 5, geomagnetic induction coil winding 6, first slot photoelectric coupler 10, coil start rotation snap buckle 12, hollow shaft 14, The induction current signal output line 15, the geomagnetic induction coil winding 6 are wound in the plastic circular groove of the coil frame 5, the inside of the support 1 is a cavity, the coil frame 5 is located in the cavity of the support 1, and is at the upper end of the support 1, the coil The front and rear ends of the frame 5 are movably connected with the support 1 by the hollow rotating sh...

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Abstract

The invention relates to inductive type geomagnetic field measuring experiment instrument that is made up of geomagnetic inducting device, tank-type photoelectric coupler driver, preposition amplification circuit, and data acquisition and digital signal process circuit. The feature is that the geomagnetic inducting device includes supporting, light blocking sheet, coil rotating termination spring braking device, second tank-type photoelectric coupler, coil frame, geomagnetic inducting coil winding, first tank-type photoelectric coupler, coil initial rotating spring fastener, hollow rotating shaft, inducting current signal output line. The geomagnetic inducting coil winding is winded in plastic circular recess of coil frame whose two ends flexibly connect to hollow rotating shaft and supporting. The invention has simple structure and could measure the magnetic induction distribution of geomagnetic field on horizontal direction and vertical orientation.

Description

technical field [0001] The invention belongs to physics and geophysics experimental instruments, in particular to an inductive geomagnetic field measurement experimental instrument capable of measuring the distribution of magnetic induction intensity in the horizontal and vertical directions of the geomagnetic field. Background technique [0002] At present, the main methods of geomagnetic field measurement are: magnetoresistance, proton precession, optical magnetic resonance, Holm Hertz coil compensation and other methods. These measurement methods are more complex and require more expensive equipment. Contents of the invention [0003] The purpose of the present invention is to provide an inductive geomagnetic field measuring experiment instrument with simple structure and capable of measuring the distribution of magnetic induction intensity in the horizontal and vertical directions of the geomagnetic field. [0004] In order to achieve the above object, the technical s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V3/40G01R33/02
Inventor 程永进吴雄伟王伟陈远金
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)
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