Magnetic drum and magnetic encoder with same

Magnetic drum and magnetic encoder with same

The utility model provides a magnetic drum and a magnetic encoder with the same, the magnetic drum comprises a support ring, a first permanent magnet ring and a second permanent magnet ring, the first permanent magnet ring and the second permanent magnet ring are sleeved on the outer circumferential...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CHENG WENHAO, MENG HUAIYIN, WANG XIN, CHENG ZOUCHENG, WANG YAN
Format: Patent
Sprache:chi ; eng
Schlagworte:
ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS
MEASURING
MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE
MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
PHYSICS
TARIFF METERING APPARATUS
TESTING
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Beschreibung
Zusammenfassung:The utility model provides a magnetic drum and a magnetic encoder with the same, the magnetic drum comprises a support ring, a first permanent magnet ring and a second permanent magnet ring, the first permanent magnet ring and the second permanent magnet ring are sleeved on the outer circumferential side of the support ring, and the first permanent magnet ring and the second permanent magnet ring are sequentially arranged along the axial direction of the support ring. The first permanent magnet ring and the second permanent magnet ring are monopole magnetic rings and are opposite in polarity, first protrusions and first recesses which are alternated in the circumferential direction of the first permanent magnet ring are formed in the outer circumferential wall of the first permanent magnet ring, and second protrusions and second recesses which are alternated in the circumferential direction of the second permanent magnet ring are formed in the outer circumferential wall of the second permanent magnet ring. Ac