Controller for controlling a drive mechanism of a powered industrial truck
A technology of ground transportation and power drive, which is applied in the direction of motor vehicles, trolleys, multi-axis trolleys, etc. It can solve the problems that the connection contacts of the Hall sensor are bent, cannot guarantee reliable functions indefinitely, and jump start.
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[0024] The illustrated embodiment of the drive controller according to the invention comprises a first Hall sensor 1 and a second Hall sensor 2, which are arranged on a circular arc and fixed flat on a printed circuit board 4 with lateral angular spacing. on one side of the Above the printed circuit board 4 two permanent magnets 3 , 6 are arranged on a yoke 5 . The permanent magnets 3 and 6 are positioned such that their pole axes run parallel but in opposite directions. The yoke 5 serves on the one hand as a magnetic carrier and on the other hand serves to conduct the magnetic flux lines from one permanent magnet to the other in a bundled manner.
[0025] The yoke 5 is partially annular and can be figure 1 and 2 The intermediate positions shown in are offset about the axis S by about ±30°.
[0026] Also arranged on the side of the printed circuit board 4 opposite the Hall sensors 1 , 2 is a magnetic yoke 7 which is likewise of partially annular design and extends over an ...
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