Magnetic Rotary Encoder
A rotary encoder and magnetic technology, which is applied in the direction of transmitting sensing components using electric/magnetic devices, can solve problems such as magnetic signal interference, and achieve the effects of strong mechanical shock resistance, simple internal mechanism, and good anti-interference
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[0030] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0031] like figure 1 , figure 2 , image 3 , Figure 4 The illustrated embodiment is a magnetic rotary encoder,
[0032] It includes a casing 1 with an open upper end, a rotating shaft 2 made of non-magnetic material that protrudes from the bottom plate of the casing at one end, and a bearing 3 sleeved on the rotating shaft and in contact with the inner wall of the casing, located in the middle of the upper end surface of the rotating shaft The collar 4, the permanent magnet 5 arranged in the collar, and the lower magnetic protective plate 6 arranged on the rotating shaft for eliminating the external magnetic signal below the permanent magnet;
[0033] like figure 2 Shown, be located at the circuit board 7 on the housing inner wall above the permanent magnet, be located at the magnetic sensor 8 on the lower surface of the circuit board, ...
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