Dynamic tension sensor

A tension sensor, dynamic technology, applied in the field of dynamic tension sensor, can solve problems such as zero drift, detection data deviation, component length usage, etc., achieve accurate detection results, eliminate the influence of detection signals, and have a reasonable structure

Inactive Publication Date: 2009-03-11
杨金保 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This form can accurately carry out dynamic detection, but it cannot adapt to long-term online detection, because the temperature change affects the output signal of the sensor, resulting in detection data deviation and zero drift, so that the pro

Method used

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Experimental program
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Embodiment Construction

[0012] The present invention will be described in further detail below.

[0013] The elastic sheet 2 is a thin metal sheet. When elastic sheets 2 of different elastic modulus materials, different widths, different heights or different thicknesses are selected, the force-measuring range, resolution and deformation of the elastic sheet 2 can be changed, thereby achieving dynamic control. linear output and resolution requirements.

[0014] The detection end and output end on the torsion shaft 1 can be located on both sides or the same side of the elastic sheet 2. When they are located on the same side, in order to keep the two ends of the torsion shaft 1 balanced under static conditions, they can be set on the other side of the torsion shaft 1. Balance sheet 8, and balance sheet 8 can select the nut of different specifications or other components for use as required.

[0015] Changing the distance between the detection point A of the detection end and the elastic sheet can chang...

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PUM

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Abstract

The invention relates to a dynamic tension sensor applicable to linear, rope-shaped, beam-shaped, strip and sheet materials, comprising a flexure strip with uniform section, with the two ends fixed on a slab, and a torsion shaft which passes through the centers of the slab and the flexure strip; one end of the torsion shaft is a detecting end and is fixed with two groups of magnetic bodies, one side or two sides of the detecting end is/are provided conductive component of a tested object, and the other end of the torsion shaft is provided with two magneto-dependent sensors of the same class in the magnetic field of the two groups of the magnetic bodies; the influence of temperature shift can be eliminated by utilizing the dual sensors, and the gravity influence of the other side can be eliminated by the adjustment of one side of the flexure strip; the dynamic tension sensor has the advantages that the function of the flexure strip and the torsion shaft is combined and utilized to convert the tension change of the tested material into the corresponding displacement of the torsion shaft, and the displacement is corresponding to the magnetic-field strength change of the tail end of the torsion shaft and has linear relationship with the output voltage of a magneto sensor, therefore, automatic online detection can be carried out to the tension change of the tested material.

Description

technical field [0001] The patent of the invention relates to a dynamic tension sensor, which is suitable for linear, rope, bundle, sliver, sheet and other materials, such as yarn, fiber strip, wire and cable, optical fiber cable, steel plate, tape, plastic film and other materials in motion Force detection and sensing. Background technique [0002] In industrial production, the online detection of the material tension in motion can ensure the dynamic adjustment, control and alarm after the process parameters are set, so as to ensure the constant density of the material circle during the whole production process, and achieve the best product quality and output. for maximum effect. [0003] Therefore, there are various dynamic tension sensors at home and abroad, which are classified into mechanical, capacitive, and electronic strain gauges according to the principle of action. The force transformation elastic elements used in the current mechanical tension sensor have the f...

Claims

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Application Information

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IPC IPC(8): G01L5/10
Inventor 杨金保杨蓉高夏琴
Owner 杨金保
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