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Inverse-magnetostrictive central axle torque sensor

A technology of inverse magnetostriction and magnetostriction, which is applied in the field of sensors, can solve the problems of installation and use, restrict the popularization and application of torque sensors, and poor versatility, and achieve the effect of improving the degree of versatility, ideal versatility, and simplifying the mechanical structure

Pending Publication Date: 2019-01-11
深圳市奥酷曼智能技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing torque sensor needs to customize the installation structure of the center shaft and the tooth plate and crank attached to the center shaft, and needs to use special installation tools for installation, which cannot be directly installed and used on the existing center shaft structure, and has poor versatility , unable to achieve rapid replacement, high manufacturing and maintenance costs and other shortcomings, which seriously restrict the popularization and application of torque sensors, and are not conducive to the rapid development of electric mopeds

Method used

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  • Inverse-magnetostrictive central axle torque sensor
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  • Inverse-magnetostrictive central axle torque sensor

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Embodiment 1

[0040] see figure 1 , this embodiment discloses an inverse magnetostrictive central axis torque sensor 1000, including a central axis 0100, a strain sleeve 0200 and an induction coil 0300, which are used for direct installation and application on existing general structures, providing ideal sensitivity and Sensing accuracy.

[0041] Please refer to Figure 2~4 , the central shaft 0100 includes a shaft sleeve 0110, a first end assembly 0130, a second end assembly 0140 and a mandrel 0120, the four surround and form an annular accommodation space for accommodating and installing other structural components. Wherein, the first end assembly 0130 and the second end assembly 0140 are respectively closed at both ends of the shaft sleeve 0110, and the mandrel 0120 rotatably passes through the shaft sleeve 0110, the first end assembly 0130 and the second end assembly 0140 in sequence .

[0042] Please refer to Figure 4 and Figure 6, the shaft sleeve 0110, the first end assembly 0...

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Abstract

The invention discloses an inverse-magnetostrictive central axle torque sensor, comprising a central axle, wherein the central axle includes an axle sleeve, end assemblies enclosed at both ends of theshaft sleeve and a mandrel rotatably penetrating the three, wherein the axle sleeve and the end assemblies are embedded and installed in a five-way interior, and the mandrel is used for fixedly connecting left and right cranks; a strain sleeve fixedly circumferentially sleeved on an outer peripheral side of the mandrel and having a magnetostrictive portion; an induction coil movably sleeved on anouter circumferential side of the magnetostrictive portion and fixed to the axle sleeve for sensing a magnetic permeability change of the strain sleeve. The inverse-magnetostrictive central axle torque sensor can be directly installed on the existing general structure, and has ideal versatility, sensitivity and sensing accuracy.

Description

technical field [0001] The invention belongs to the technical field of sensors, in particular to an inverse magnetostrictive axis torque sensor. Background technique [0002] An electric moped is a bicycle type that is based on a bicycle structure and equipped with an electric drive unit. Electric mopeds can provide corresponding power support according to the rider's pedaling strength, reduce the rider's riding burden, and greatly increase the riding comfort and riding mileage, so they are gradually welcomed by the market. [0003] Among them, the torque sensor is the core component of the electric bicycle. The torque sensor is used to sense and measure the riding torque of the rider, and provide a basis for judging the power output of the electric drive unit. As a component that senses the rider's intentions, the performance of the torque sensor is crucial. [0004] The existing torque sensor needs to customize the installation structure of the center shaft and the toot...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62M6/50G01L5/00
CPCG01L5/00G01L5/0023B62M6/50
Inventor 陈智清
Owner 深圳市奥酷曼智能技术有限公司
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