Offset Sensing Mechanism for Rotating Shaft
A technology of rotating shafts and rotating shafts, which is applied in the direction of measuring devices, electromagnetic measuring devices, electric/magnetic position measurement, etc., and can solve problems such as lack of better design
Inactive Publication Date: 2021-09-03
HIWIN MIKROSYST
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Problems solved by technology
[0003] Although the known technology has disclosed some sensing technology content that can achieve the rotation state of the rotating shaft, in the automation control technology that increasingly requires precision, in addition to knowing the rotation angle of the rotating shaft, for the change of the moment of inertia The yaw state that causes the eccentric rotation of the rotating shaft must also be included as a control parameter in the automatic control technology, but the known technology does not have a better design for the offset sensing technology of the rotating shaft
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[0021] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0022] That is to say, two preferred embodiments of the present invention are given together with the drawings for further description.
[0023] First, if figure 1 with figure 2 As shown, in the first preferred embodiment of the present invention, an offset sensing mechanism 10 for a rotating shaft is provided, which mainly includes a rota...
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The offset sensing mechanism of the rotating shaft provided by the present invention is to set a concentric circular arc-shaped first magnetic zone which can rotate synchronously with the rotating shaft on the peripheral side of the rotating shaft and an incremental or absolute encoding The second magnetic area, and a sensing unit attached to an external fixed element, when the rotating shaft rotates, senses the first magnetic area and the second magnetic area and generates a sensing signal, Then analyze the position of the rotating shaft with the sensing signal, so as to obtain the rotation angle of the rotating shaft and its offset in the radial direction or in the axial direction.
Description
technical field [0001] The present invention is related to the sensing technology of rotational motion, in particular to the deflection sensing mechanism of the rotating shaft. Background technique [0002] In order to know the motion state of the rotating shafts of machine tools, spindles, motors or rotating shafts, it is disclosed in the known technology to measure the rotation angle of the rotating shafts with a rotary encoder, and based on the measured rotation angle, the calculated After that, data such as angle, speed and position can be obtained, which can be used as parameters for automatic control. [0003] Although the known technology has disclosed some sensing technology content that can achieve the rotation state of the rotating shaft, in the automation control technology that increasingly requires precision, in addition to knowing the rotation angle of the rotating shaft, for the change of the moment of inertia The yaw state that causes the eccentric rotation ...
Claims
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IPC IPC(8): G01B7/00G01B7/30
CPCG01B7/003G01B7/30
Inventor 萧恒昇徐志豪
Owner HIWIN MIKROSYST