SU631779A1

SU631779A1 - Arrangement for transmitting dc signals from rotating object to stationary one

Info

Publication number: SU631779A1
Application number: SU752107767A
Authority: SU
Inventors: Владимир Георгиевич Гусев; Людмила Прокопьевна Андрианова; Михаил Петрович Иванов
Original assignee: Уфимский Авиационный Институт Имени Орджоникидзе
Priority date: 1975-02-10
Filing date: 1975-02-10
Publication date: 1978-11-05

Description

го ципизщра 8 с отверсти ми 9, в кото рых равномерно распределена обмотка 10 модул ции, плоскости витков которо параллельны оси вращени вала 6 устрой ства. Устройство работает следующим образом . При подключении передаваемого посто нного напр жени к вращающейс сигна ной обмотке 5 по вл етс магнитный поток ф , который проходит через (ферромагнитные ) цилиндрические основани 1 и 2 и полый тонкостенный цилиндр 8, который выполнен из материала, насыщаю щегос при Nfanbix значени х индукции. При посто нном входном напр жении и по сто нном сопротивлении магнитной цепи магнитный поток ф не измен етс , поэтому в неподвижных измерительных обмотках 3 и 4 ЗДС не наводитс . При подключении обмотки 10 модул ции к источнику подмагничивающего тока возникает магнитный поток Фи , замыкающийс по тонкостенному цилиндру 8 При достаточно Gonbuioii величине тока подмагничивани поток 2 доводит ферромагнитный миториап цилиндра 8 до насыщени , чем резко увеличивает магнитное сопротивлоние всего магнитопровода на пути потоки ф , и величина погокаф значительно .и1аетс . Потоки cto и ф, перпендикул рны друг npyi-y и поэтому друг на друга практически не вли ют. При изменении величины тока подмаг- ничивани в обмотко 10 модул ции сThe housing 8 with holes 9, in which the modulation winding 10 is evenly distributed, the plane of the turns which is parallel to the axis of rotation of the shaft 6 of the device. The device works as follows. When a transmitted DC voltage is connected to a rotating signal winding 5, a magnetic flux f appears, which passes through (ferromagnetic) cylindrical bases 1 and 2 and a hollow thin-walled cylinder 8, which is made of a material that is saturated at Nfanbix induction values. With a constant input voltage and constant resistance of the magnetic circuit, the magnetic flux f does not change, therefore, in stationary measuring windings 3 and 4 the DDS is not induced. When the modulation winding 10 is connected to the source of the magnetizing current, a magnetic flux Phi arises, closing along the thin-walled cylinder 8 If Gonbuioii has enough magnetism current, flux 2 brings the ferromagnetic mitoriap of cylinder 8 to saturation, which sharply increases the magnetic resistance of the entire magnetic conductor along the way fluxes and pogokaph significantly. The streams cto and φ are perpendicular to each other and therefore they have practically no effect on each other. When changing the magnitude of the bias current in the winding 10 modulation with

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Claims

"3.2 79 some frequency magnitude of the magnetic resistance of the magnetic circuit and flux will vary with doubled. frequency The varying flux Φ will induce in the fixed windings of excitation 3 and 4 PDS, which is proportional to the transfer of the constant voltage signal to the system and can be easily registered with the help of appropriate equipment. Invention formula1 A device for transmitting DC signals from a rotating object to a stationary one containing a magnetic circuit made in the form of two cylindrical bases, at the ends of which there are measuring windings connected in series and according to, a signal winding located on the inset rigidly connected to the vap between measuring windings, and a modulation winding, characterized in that, in order to simplify the design and increase the sensitivity of the device, the cylindrical bases are connected by A hollow thin-walled cylinder with holes in which the modulation winding is evenly distributed, the plane of the turns of which is parallel to the axis of rotation of the shaft of the device. Sources of information taken into account in the examination :. 1. USSR author's certificate number 347596, cl. Q 01 K 13 / O8, 197О.

2. Authors certificate of the USSR 455290, cl. G 08 C 9/04, 1973.

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