Magnetic encoder and angle calculation method thereof
A magnetic encoder and magnetic disk technology, applied in the field of magnetic encoder and its angle calculation, can solve problems such as the inability to determine the initial angle, and achieve the effect of compact structure, reduction of mechanical structure, and optimization of encoder structure
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[0049] Such as figure 1 , figure 2 , image 3 with Figure 4 Shown, described a kind of magnetic encoder comprises:
[0050] The casing 5 is divided into upper and lower casings to form a cylindrical cavity in the middle;
[0051] The magnetic disk 7 is used to be arranged on the rotating shaft to read the rotation state of the rotating shaft, and is arranged in the casing 5 and is hinged with the casing 5;
[0052] Four Hall elements are arranged in a circle on the same side of the casing 5 and work together with the magnetic disk 7;
[0053] An integrated differential amplifier is used to calculate the continuously output voltage value of the Hall element into a continuous function, and at least two sets of input ends are electrically connected to the output end of the Hall element;
[0054] A dual-channel analog-to-digital converter is used to convert a continuous analog function into a digital signal, and the analog input terminal is electrically connected to the out...
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