Turntable sensing element with adjustable magnetic fluxes of magnetic blocks and points
A technology of sensing elements and magnetic flux, applied in power measurement, vehicle components, torque measurement, etc., can solve the problems of different, no control signal, inconsistency, etc.
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Embodiment 1
[0067] Embodiment 1. Multi-magnetic blocks and a turntable sensor element with adjustable magnetic flux at each point
[0068] Such as figure 1 , one surface of a high-strength plastic rotating disk 1 with a diameter of 10.0 cm is set to a diameter of 0.6-0.8 cm, and the magnetic flux is 146---279 (B·H)max / KJ·m -320 permanent magnet blocks 2 with different selection values within the range and unequal magnetic flux of adjacent permanent magnet blocks 2 . The structure of rotating disk 1, permanent magnet block 2 and Hall 3 is as follows:
[0069] Each permanent magnet block 2 is fixed in the circle 6 range between the circular trajectory line 5-1-9.5 centimeters outer circular trajectory line 5-2 with a diameter of 8.5 centimeters, and there are a plurality of permanent magnet blocks 2 that are radially dislocated Distributed, there are a plurality of permanent magnet blocks 2 in dislocation distribution.
[0070] Radius dislocation distribution mode is: the plurality of ...
Embodiment 2
[0077] Embodiment 2. High-density multi-magnetic blocks and a turntable sensor element with adjustable magnetic flux at each point
[0078] Such as figure 2 1. A high-strength aluminum rotating disc 1 with a diameter of 10.0 cm is provided with 40 permanent magnet blocks 2 with a diameter of 0.4-0.6 cm. The magnetic flux of the permanent magnet block 2 is 146---279 (B·H)max / KJ·m -3 Different selection values within the range, and the magnetic flux of the adjacent permanent magnet block 2 is not equal, Hall 3 keeps a distance of 0.2 cm from each permanent magnet block 2 in the rotating state, so that each permanent magnet block 2 that is rotating Hall 3, Hall 3 can generate a corresponding rectangular wave electrical signal output. The circle where the arc of the arc bar hole 8 is located and the inner circular trajectory line 5-1 are concentric circles. The structures of other rotating disk 1, permanent magnet block 2, and Hall 3 are the same as those in embodiment 1.
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