Integrally-containing type torque sensor motor

A torque sensor and accommodating technology, applied in the structural field of bicycle electric power sensor motors, can solve the problems of reducing the reliability of sensing signals, limiting the use range, increasing production costs, etc., to achieve intensive production, obvious magnetic induction effect, Solve the effect of occupying space

Inactive Publication Date: 2012-04-11
WUXI SHANGGE IND DESIGN
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AI-Extracted Technical Summary

Problems solved by technology

[0004] In the field of bicycle electric power-assisted sensors, Chinese invention patent application 201110125438.9 discloses a "structure of electric power-assisted sensors that cooperate with bicycle rear forks". A circuit board equipped with a Hall element is arranged, and a sensor assembly on the rear axle that passes through the long slot hole at the bottom of the groove and is movable is accommodated in the groove, and a permanent magnet arranged on the sensor assembly is connected to the The Hall element on the circuit board is magnetically coupled; because the rear shaft is limited to move in the long slot hole at the bottom of the groove, when the rear shaft is used to move, the gap between the permanent magnet relatively fixed to the rear shaft and the Hall element The magnetic induction changes,...
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Abstract

The invention provides an integrally-containing type torque sensor motor. A motor shell and a motor shaft are provided with a hollow containing cavity which is composed of annular bulges in a coaxial direction; a fixed sliding guide ring is contained and arranged in the hollow containing cavity and the fixed sliding guide ring is dynamically matched with a floating ratchet induction coil subassembly which is equipped with magnetic steel; the floating ratchet induction coil subassembly comprises a ratchet induction coil and ratchets of a flywheel are matched with gear grooves which are annularly distributed in the ratchet induction coil; the motor shaft is provided with a Hall element and the magnetic steel of the floating ratchet induction coil subassembly is matched with the Hall elementin a magnetic induction manner, so that an electric signal is output to control stress-applied rotation of vehicles. According to the invention, all parts of a Hall sensor are skillfully arranged on the motor shell so that the space occupation problem caused by function settings is solved; the integrally-containing type torque sensor motor has the advantages of high standardization degree, wide application range, obvious magnetic induction effects, easiness of intensive production, low carbon, environmental friendliness, and convenience for installation and maintenance.

Application Domain

Technology Topic

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  • Integrally-containing type torque sensor motor
  • Integrally-containing type torque sensor motor
  • Integrally-containing type torque sensor motor

Examples

  • Effect test(1)

Test Example

[0032] An application embodiment of the present invention is further provided below:
[0033] A foldable pedal electric dual-use bicycle equipped with the motor of the present invention is provided. The motor is installed on the rear axle of the bicycle, and the sensor terminal display screen is arranged on the bicycle faucet. When a flywheel, the ratchet induction coil 5 of the elastic ratchet induction assembly of the present invention is twisted on the marble 32 along the slope surface of the chute 31, thereby converting it into the horizontal displacement stroke of the ratchet induction coil, forming a cutting magnetic force line action, so that The magnetic steel 4 on the elastic ratchet induction component and the Hall element 22 on the motor shaft 2 produce magnetic induction signals which are processed by the sensor single-chip microcomputer to give the power-on signal of the motor, and the motor plays a role of boosting; , When going downhill, under the reset action of the polyurethane software, the ratchet torque induction slip ring assembly is reset. At this time, the induction signal of the Hall element 22 and the magnet 4 returns to zero, the central processing unit gives a cut-off signal, and the motor does not Pre-assist; in this way, the motor only assists when the bicycle accelerates.
[0034] If the reset spring is used in the embodiment of the present invention to replace the polyurethane soft body, it is only necessary to replace the elastic element mounting groove 52 with a reset spring positioning groove or a reset spring positioning hole, which still falls within the scope of the embodiment of the present invention.
[0035] To sum up, the essence of the present invention is to convert the axial rotation of the ratchet induction ring 5 into horizontal displacement to change the magnetic flux, and then convert the change of the magnetic flux into an electrical signal, which is processed by a single-chip microcomputer installed on the vehicle to output an afterburner signal.
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Description & Claims & Application Information

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