Assisted bicycle using sensor capable of regulating positions of magnetic blocks in housing and magnetic flux
A technology of power-assisted bicycles and sensors, which is applied in the direction of transmitting sensing components, converting sensor output, and instruments by using electric/magnetic devices, which can solve the inconsistency between power-assisted output and power-assisted requirements, combined control signals are prone to signal drift, and feel uncomfortable, etc. question
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Embodiment 1
[0139] Embodiment 1, the power-assisted bicycle with the adjustable sensor of the magnetic block position and magnetic flux in the housing
[0140] Such as figure 1 , 3 , 4, 6, the sensor among the present invention is installed on the central axis 51 of existing electric bicycle, the signal output line of sensor is connected with the motor controller 29 of electric bicycle, just obtains power-assisted bicycle of the present invention.
[0141] 1. The components and structure of the electric bicycle related to the installation of the sensor: the electric bicycle has a central shaft 51, and the middle section of the central shaft 51 is covered with a bushing 52, and the central shaft 51 is connected to the bushing 52 in rotation; the chain disc 53 is fixed on the central shaft 51 The two ends of the central axis 51 are respectively fixed with pedals 54; the inner surface of the casing 52 is connected to the central axis 51 in rotation, and the outer surface of the casing 52 i...
Embodiment 2
[0166] Embodiment 2. High-density power-assisted bicycle with adjustable sensor for magnetic block position and magnetic flux in the housing
[0167] Such as figure 2 , 3 , 4, 6, the diameter of the annular groove rotating disk 1 in the hollow ring 41 is 10.0 centimeters, and 40 permanent magnet blocks 2 are established at the annular groove rotating disk 1, and the diameters of the 40 permanent magnet blocks 2 are respectively 0.6 centimeters, The magnetic flux is 146---279(B·H)max / KJ·m -3 Different selection values within the range, and the magnetic flux of adjacent permanent magnet block 2 is not equal. Hall 3 keeps a distance of 0.2 cm from each permanent magnet 2 in the rotating state, so that when each rotating permanent magnet 2 passes through Hall 3, Hall 3 can generate a corresponding rectangular wave electric signal output. The circle where the arc of the arc-shaped bar-shaped short groove 8 is located and the inner circular locus 5-1 are concentric circles. T...
Embodiment 3
[0168] Embodiment 3, a power-assisted bicycle with a specific circuit that uses the position of the magnetic block in the housing and the adjustable sensor of the magnetic flux
[0169] Such as figure 1 , 3 , 5, 6, as in embodiment 1, the sensor includes a sensing element connected in sequence, a booster model processor 21, a digital-to-analog converter 27 and an operational amplifier 28;
[0170] [1] The Hall 3 in the sensing element is UGN3075; the structure of other elements and elements in the sensing element is the same as that in Embodiment 1;
[0171] [2] The auxiliary model processor 21 selects the single-chip microcomputer 31 to complete all functions, and the single-chip microcomputer 31 selects AT89S52. That is, the AT89S52 single-chip microcomputer 31 completes all functions of the analog-to-digital conversion and the wave width peak recognizer 22 , the power-assisted starting point selector 23 , the magnet speed calculator 24 , the power-assisted model memory 2...
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