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Novel sizing moisture regain detecting system

A detection system and moisture regain technology, which are applied in the direction of using microwaves to test moisture content, special data processing applications, instruments, etc., can solve the problems that the detection device cannot realize online detection and the measuring head contacts the sample, etc., and achieve low cost and intuitive interface. , good stability

Inactive Publication Date: 2006-01-04
DONGHUA UNIV
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of this invention is to provide a new type of sizing moisture regain detection system, which solves the technical problems that the existing detection device cannot realize online detection and the contact sample of the measuring head, and can obtain more accurate measurement results

Method used

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  • Novel sizing moisture regain detecting system
  • Novel sizing moisture regain detecting system

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Embodiment Construction

[0023] see figure 1 , which is a structural schematic diagram of a novel sizing moisture regain detection system of the present invention. As shown in the figure: it includes a microwave transmitting device and a microwave receiving device that do not touch the sizing yarn to be tested. The microwave transmitting device includes a sequentially connected signal source, a coaxial / waveguide converter, a coaxial attenuator and a transmitting antenna, and the microwave receiving device includes a sequentially connected receiving antenna, microwave, frequency-selective amplifier and a data acquisition card. After the electric signal is collected by the data acquisition card, it is converted into a digital signal and input to the computer, and the moisture regain of the sizing yarn is calculated from the dielectric loss value measured by the above-mentioned device. The detection process of the present invention is as figure 2 shown.

[0024] The problem of on-line detection can b...

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Abstract

The present invention relates to the detecting technology of water content in textile, and is especially one new type of sizing moisture regaining detecting system. The sizing moisture regain detecting system includes microwave emitting device and microwave receiving device without contact with the sizing to be detected, data acquiring card to acquire electric signal and convert into digital signal fed to the computer, and computer to calculate the dielectric loss value and the sizing moisture regain. The present invention performs on-line no-contact detection and obtains precise measurement result.

Description

Technical field: [0001] The invention relates to the technical field of moisture content measurement of textile products, in particular to a novel sizing moisture regain detection system. Background technique: [0002] At present, the national standard method for measuring the moisture regain of sizing is the oven method. The drying method has the advantages of stable and accurate measurement results and simple measuring instruments, but the number of samples for each measurement is small, and the length of the samples is limited. The drying time is long, so the oven method cannot realize online detection. [0003] Therefore, the relatively mature electrical measurement method of moisture regain is the resistance method, which has the advantages of simple principle and simple instrument structure, which meet the requirements of online measurement. However, the measurement head of the resistance method needs to contact the sample, and the measurement accuracy is not high. ...

Claims

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Application Information

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IPC IPC(8): G01N22/04G06F19/00
Inventor 郭建生
Owner DONGHUA UNIV
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