SU911141A1 - Device for measuring mechanical stresses - Google Patents
Device for measuring mechanical stresses Download PDFInfo
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- SU911141A1 SU911141A1 SU802905190A SU2905190A SU911141A1 SU 911141 A1 SU911141 A1 SU 911141A1 SU 802905190 A SU802905190 A SU 802905190A SU 2905190 A SU2905190 A SU 2905190A SU 911141 A1 SU911141 A1 SU 911141A1
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- Measuring Magnetic Variables (AREA)
Description
С5) УСТРОЙСТВО ДЛЯ ИЗМЕРЕНИЯ МЕХАНИЧЕСКИХ НАПРЯЖЕНИЙC5) DEVICE FOR MEASURING MECHANICAL STRESSES
II
Изобретение относитс к измерительной технике, а именно к конструкции магнитоупругих датчиков дл измерени механических напр жений.The invention relates to a measurement technique, in particular, to the design of magnetoelastic sensors for measuring mechanical stresses.
Известно 5 стройство дл измерени механических напр жений, содержащее два электромагнита, расположенных полюсами у поверхности провер емого издели под углом 90° друг к другу, обмотка одного из которых питаетс переменным током, а в цепь другого электромагнита включен измерительный прибор, а также компенсационную обмотку , включенную последовательно и противофазно с измерительна обмоткой в цепь измерительного прибора 1.A device for measuring mechanical stresses is known 5, which contains two electromagnets located by poles near the surface of the tested product at an angle of 90 ° to each other, the winding of one of which is powered by alternating current, and a measuring device is included in the circuit of the other electromagnet, connected in series and in phase with the measuring winding in the circuit of the measuring device 1.
Наиболее близким по технической сущности к изобретению вл етс устт ройство дл измерени механических напр жений, содержащее магнитопровоД , выполненный из двух П-образных частей, несущих намагничивающую и измерительные обмотки, и ра.споло емныхThe closest to the technical essence of the invention is a device for measuring mechanical stresses, containing a magnetic circuit made of two U-shaped parts, carrying magnetizing and measuring windings, and spacers.
ПОД углом 90 друг к другу, и индикатор , подключенный к измерительным обмоткам 2.At an angle of 90 to each other, and an indicator connected to the measuring windings 2.
Недостатком известных устройств вл етс зависимость результатов измерени от величины воздушного зазора между полюсами магнитопровода и поверхностью провер емого издели , так как величина воздушногозазора вли ет на величины напр жений на измерительных обмотках и, следовательно на точность измерени .A disadvantage of the known devices is the dependence of the measurement results on the size of the air gap between the poles of the magnetic circuit and the surface of the tested product, since the size of the air gap affects the voltage values on the measuring windings and, consequently, the measurement accuracy.
Цель изобретени - повышение точности измерени за счет устранени вли ни величины воздушного зазора , между полюсами магнитопровода и поверхностью провер емого издели на показани ,The purpose of the invention is to improve the measurement accuracy by eliminating the influence of the size of the air gap between the poles of the magnetic circuit and the surface of the tested product on the readings,
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU802905190A SU911141A1 (en) | 1980-04-04 | 1980-04-04 | Device for measuring mechanical stresses |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU802905190A SU911141A1 (en) | 1980-04-04 | 1980-04-04 | Device for measuring mechanical stresses |
Publications (1)
Publication Number | Publication Date |
---|---|
SU911141A1 true SU911141A1 (en) | 1982-03-07 |
Family
ID=20887634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU802905190A SU911141A1 (en) | 1980-04-04 | 1980-04-04 | Device for measuring mechanical stresses |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU911141A1 (en) |
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1980
- 1980-04-04 SU SU802905190A patent/SU911141A1/en active
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