Absolute multi-coil magnetic encoder

A magnetic encoder, absolute technology, applied in the field of magnetic encoders, can solve the problems of unresolvable data recording, debugging difficulties, etc., and achieve the effect of good consistency, long service life and few basic components
CN1834587AActive Publication Date: 2006-09-20安徽金海迪尔信息技术有限责任公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
安徽金海迪尔信息技术有限责任公司
Publication Date
2006-09-20

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Abstract

The invention relates to an absolutely multi-turn magnetism coder. The metal coding disc is distortion round disk shape. And four arcs are set on the radial direction, two opposite side of the same radius has tow arcs, and the third arc is between the next one side, and the fourth arc is set on another side. The coder is simple structure, few components, long useful life, high reliability, etc.
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Description

technical field

[0001] The present invention relates to magnetic encoders. Background technique

[0002] An encoder is a displacement sensor that converts physical quantities such as rotational angular position, angular displacement, and angular velocity into electrical signals. With the development of factory automation, the change of DC motors to AC motors and the transition from analog control to digital control, the encoder has shown its superiority, and its demand has skyrocketed. According to different measurement methods, encoders are divided into incremental and absolute. The absolute encoder has the advantages of being able to detect the absolute position at any time, strong anti-interference ability, and the accumulated error caused by noise is zero, and its application demand is increasing year by year. Especially the absolute multi-turn encoder has a wide measurement range and can accurately record the rotation of the measured shaft even if the power is off. It...

Claims

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