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 materialsInfo
- 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
Links
Landscapes
- 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.
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 |
Family
ID=48395155
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) |
-
1958
- 1958-12-22 SU SU614556A patent/SU123606A1/en active
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