SU123606A1 - Measuring generator for determining the magnetic properties of specimens of magnetic materials - Google Patents

Measuring generator for determining the magnetic properties of specimens of magnetic materials

Info

Publication number
SU123606A1
SU123606A1 SU614556A SU614556A SU123606A1 SU 123606 A1 SU123606 A1 SU 123606A1 SU 614556 A SU614556 A SU 614556A SU 614556 A SU614556 A SU 614556A SU 123606 A1 SU123606 A1 SU 123606A1
Authority
SU
USSR - Soviet Union
Prior art keywords
magnetic
determining
specimens
measuring generator
generator
Prior art date
Application number
SU614556A
Other languages
Russian (ru)
Original Assignee
Беркман Р.Я.
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 Беркман Р.Я. filed Critical Беркман Р.Я.
Priority to SU614556A priority Critical patent/SU123606A1/en
Application granted granted Critical
Publication of SU123606A1 publication Critical patent/SU123606A1/en

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  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

Description

Предлагаемый измерительный генератор дл  определени  магнитных свойств образцов магнитных материалов, например образцов горных пород, относитс  к известному типу так называемых рок-генераторов, состо щих из механизма дл  приведени  испытуемого образца во вращение и индикатора магнитного пол  образца.The proposed measurement generator for determining the magnetic properties of samples of magnetic materials, such as rock samples, is of the known type of so-called rock generators, consisting of a mechanism for driving the test sample and a magnetic field indicator of the sample.

Как известно, чувствительность такого рок-генератора пропорциональна скорости вращени  образца, вследствие чего дл  удовлетворени  требований современной геофизики прибор усложн етс  в такой мере, что превращаетс  в стационарную лабораторную установку.As is well known, the sensitivity of such a rock generator is proportional to the speed of rotation of the sample, as a result of which, to meet the requirements of modern geophysics, the instrument is complicated to the extent that it turns into a stationary laboratory setup.

Дл  повыщени  точности измерени  остаточной намагниченности образцов без увеличени  скорости вращени  последних предлагаетс  в качестве образца использовать систему из двух магнитомодул ционных датчиков, помещенных в магнитном поле земли, модулируемом магнитным полем образца при вращении последнего.To improve the measurement accuracy of the residual magnetization of samples without increasing the rotational speed of the latter, it is proposed to use as a sample a system of two magnetic modulation sensors placed in a magnetic field of the earth modulated by the magnetic field of the sample during the rotation of the latter.

На чертеже показана блок-схема предлагаемого измерительного генератора .The drawing shows a block diagram of the proposed measuring generator.

В этом генераторе воспринимающи.м элементом служит система из двух магнитомодул ционных датчиков магнитных зондов / (типа второй гармоники), помещенных в магнитном поле земли, модулируемом магнитным полем образца 2 при вращении последнего.In this generator, the perceiving element is a system of two magnetic modulation sensors of magnetic probes / (of the second harmonic type) placed in a magnetic field of the earth modulated by the magnetic field of sample 2 as the latter rotates.

Магнитомодул ционные датчики / питаютс  от генератора 5 вoзбyлvлающего тока, и напр жение второй гармоники на их выходе пропорционально мгновенному значению напр женности результирующего внещнего пол  вдоль оси этих датчиков, т. е. промодулировано низкой частотой в соответствии со скоростью вращени  образца. При этом амплитуда песущей на выходе датчиков / определ етс  посто нным впещним полем, а амплитуда и фаза огибающей - модулем вектора магнитного момента образца и его направлением.Magnetic modulation sensors / are powered by a surge current generator 5, and the second harmonic voltage at their output is proportional to the instantaneous value of the resultant outdoor field along the axis of these sensors, i.e., modulated by a low frequency in accordance with the sample rotation speed. In this case, the amplitude of the sensor at the output of the sensors / is determined by the constant imprinted field, and the amplitude and phase of the envelope is determined by the modulus of the vector of the magnetic moment of the sample and its direction.

SU614556A 1958-12-22 1958-12-22 Measuring generator for determining the magnetic properties of specimens of magnetic materials SU123606A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU614556A SU123606A1 (en) 1958-12-22 1958-12-22 Measuring generator for determining the magnetic properties of specimens of magnetic materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU614556A SU123606A1 (en) 1958-12-22 1958-12-22 Measuring generator for determining the magnetic properties of specimens of magnetic materials

Publications (1)

Publication Number Publication Date
SU123606A1 true SU123606A1 (en) 1959-11-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU614556A SU123606A1 (en) 1958-12-22 1958-12-22 Measuring generator for determining the magnetic properties of specimens of magnetic materials

Country Status (1)

Country Link
SU (1) SU123606A1 (en)

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