Motorized bicycle having sensor with multiple position-adjustable magnets in casing
A technology for assisting bicycles and sensors, which is applied in the direction of transmitting sensing components, vehicle components, and rider drive by means of electric/magnetic devices, which can solve the inconsistency between assisting output and assisting demand, the inability of assisting bicycles to assist, and the difference in sensing parameters. big problem
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Embodiment 1
[0134] Embodiment 1. A power-assisted bicycle with adjustable sensors for multiple magnetic blocks in the housing
[0135] Such as figure 1 , 3 , 4, 6, the sensor among the present invention is installed on the central shaft 51 and the hub 52 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 .
[0136] 1. The components and structure of the electric bicycle related to the installation of the sensor: the two ends of the central shaft 51 of the electric bicycle are fixedly connected with the frame 53 of the electric bicycle, the central shaft 51 is covered with a hub 52, and the hub 52 rotates outside the central shaft 51, and the hub 52 is fixedly connected with the wheel 54 of the bicycle, and the hub 52 rotates synchronously with the wheel 54; the battery 55 of the electric bicycle is connected with the motor controller 29, and the motor ...
Embodiment 2
[0162] Embodiment 2. A high-density power-assisted bicycle with adjustable sensors for multiple magnetic blocks in the housing
[0163] 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 one of the values in . 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. Other structures are the same as in Embodiment 1.
Embodiment 3
[0164] Embodiment 3, a power-assisted bicycle with a specific circuit and a sensor with adjustable positions of multiple magnetic blocks in the housing
[0165] 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;
[0166] [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;
[0167] [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 identifier 22 , the power-assisted starting point selector 23 , the magnet speed calculator 24 , the power-assisted model memory 25 and the power-assisted model...
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