Washed fabric twisted flatness testing device and method

A testing device and flatness technology, applied in measurement devices, optical devices, instruments, etc., can solve the problems of subjective evaluation being easily affected by personal factors, not considering hand washing and wringing, and the uncertainty of evaluation results.

Active Publication Date: 2016-01-20
HANGZHOU HAICHAO TEXTILE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The limitations of this method mainly include: 1. This method is aimed at fabrics after machine washing, and does not consider hand washing and wringing, wh

Method used

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  • Washed fabric twisted flatness testing device and method
  • Washed fabric twisted flatness testing device and method
  • Washed fabric twisted flatness testing device and method

Examples

Experimental program
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Embodiment Construction

[0031] The technical solutions of the present invention will be further described below through examples and in conjunction with the accompanying drawings.

[0032] Such as figure 1 As shown, the test device for twisting flatness of fabric after washing includes a fabric twisting simulation device and an image capture device. The fabric twisting simulation device comprises a first baffle 1, a second baffle 2, a bottom plate 3, a stick 7, a moving cylinder 8, a static cylinder, a positioning pin 9 and a positioning ring 10; the first baffle 1, the second Both the baffle plate 2 and the bottom plate 3 are made of metal. The first baffle and the second baffle are fixed at both ends of the bottom plate. A water outlet 4 is provided at the bottom of the first baffle, and a groove 5 is provided on the upper surface of the bottom plate, and the groove 5 communicates with the water outlet. The center position of the second baffle is provided with a round hole 6; one end of the stic...

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Abstract

The present invention discloses a washed fabric twisted flatness testing device and method. An existing washed fabric twisted flatness detection method does not consider the flatness detection of wring after handwash. The stick of the device goes through a second baffle plate to be threadingly connected to a moving cylinder. The moving cylinder is provided with a positioning ring and two symmetrical positioning pins. A static cylinder is fixed at the inner side of the first baffle plate and is provided with a positioning ring and two vertically symmetrical positioning pins. According to the washed fabric twisted flatness testing method, a fabric is ironed and then is cut and soaked in a mixture of water and detergent, then the fabric is taken out and fixed to a fabric twisted simulation device to be twisted, the fabric is expanded and suspended to be dry, a most serious protruding area in a fabric wrinkle image is collected and a pixel point is subjected to filtering transformation and the total entropy of the images of each sample in six filtering directions is obtained, and the sum of the total entropy of the fabric in warp, weft and oblique directions is obtained to be a washed fabric flatness index. According to the device and method, the simulated washed and twisted fabric is subjected to flatness testing, and a fabric flatness evaluation index is obtained.

Description

technical field [0001] The invention belongs to the field of performance testing of textiles and garments, in particular to a device and method for testing the twisted flatness of fabrics after washing. Background technique [0002] When washing, especially in the way of water washing, the intervention of water molecules and the action of external forces will have a comprehensive effect on textile materials, causing deformation of the fabric and greatly affecting the flatness of the garment. Therefore, it is of great significance to objectively test and evaluate the flatness of fabrics after washing. On the one hand, the test results can be used to predict the degree of flatness of garments after washing, and it can also help to select suitable clothing categories for fabrics and avoid material selection. Inappropriate waste. [0003] As we all know, water washing can be divided into organic washing and hand washing. The existing method for testing the flatness of fabrics ...

Claims

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Application Information

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IPC IPC(8): G01B11/30
Inventor 刘成霞杨国荣
Owner HANGZHOU HAICHAO TEXTILE
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