Title: Induction type geomagnetic field measuring experimental instrument
Application Number: 200610019962 Application Date: 2006.08.10
Publication Number: 1904645 Publication Date: 2007.01.31
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G01V3/40;G01R33/02
Applicant(s) Name: China Univ. of Geology (Wuhan) Address:
Inventor(s) Name: Cheng Yongjin;Wu Xiongwei;Wang Wei;Chen Yuanjin
Attorney & Agent: tang wanrong
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.
Time: 8
<- Previous Patent:Flexible body hydrophone   |  Next Patent:Earthquake forcasting device ->