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A method and device for testing the dynamic heat transfer characteristics of textiles

A technology for textiles and heat transfer, applied in the field of dynamic heat transfer characteristic testing of textiles and physical properties testing of textiles, can solve problems such as increasing the difficulty of simulation, and achieve the effect of simple structure, easy implementation and economic benefits.

Active Publication Date: 2016-06-08
CHINA JILIANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But this method only focuses on simulation, and there is always a certain gap with the real situation, and the physical structure of different textiles is always different, which virtually increases the difficulty of simulation

Method used

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  • A method and device for testing the dynamic heat transfer characteristics of textiles
  • A method and device for testing the dynamic heat transfer characteristics of textiles
  • A method and device for testing the dynamic heat transfer characteristics of textiles

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Embodiment Construction

[0015] The specific implementation of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0016] Such as figure 1 , 2 As shown, a method and device for testing the dynamic heat transfer characteristics of textiles, the test device includes a test assembly, a transmission mechanism, a lifting mechanism, a base 6 and a pillar 8, and the test assembly includes an upper platen 1, a heating sheet 2, an upper platen copper Support plate 3, lower platen copper support plate 4, lower platen 5, heat flow sensor 18, pressure sensor 19, heating plate 2 is provided under the upper platen 1, upper platen copper support plate 3 is provided under the heating plate 2, The upper right side of the base 6 is provided with a lower platen 5, the upper part of the lower platen 5 is provided with a lower platen copper tray 4, and the top of the lower platen copper tray 4 is provided with a heat flow sensor 18, and the lower platen copper tray 4 i...

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Abstract

The invention discloses a method and a device for testing the dynamic heat transfer characteristics of textiles. The test device includes a test component, a transmission mechanism, a lifting mechanism, a pillar and a base. The test components include upper platen, lower platen, heating plate, copper support plate, pressure sensor and heat flow sensor. The transmission mechanism is composed of upper baffle plate, motor, coupling, bearing, worm gear mounting frame, worm and worm gear. The test method is to realize the up and down movement of the upper platen through the motor, transmission mechanism and lifting mechanism, and the stop position of the upper platen is controlled by the pressure sensor. During the dynamic contact process between the upper platen and the textile, due to the temperature difference between the upper platen and the lower platen , the heat flow sensor set above the lower platen can measure the dynamic changes of heat flow and heat transfer through the textile during the contact process. Through testing and calculation, two characteristic indexes of thermal regulation time and thermal stimulation intensity are obtained, which can be applied to the textile testing industry to realize the rapid measurement of the dynamic heat transfer characteristics of textiles.

Description

technical field [0001] The invention belongs to the field of testing the physical characteristics of textiles, in particular to the field of testing the dynamic heat transfer characteristics of textiles. Background technique [0002] Thermal conductivity (or heat transfer) is one of the fundamental properties of various materials. When there is a temperature difference between different parts of the object or two objects with different temperatures are in direct contact, there will be a certain amount of heat transfer. The heat transfer performance of textiles is one of the important properties of clothing products. It is an important basis for measuring the thermal insulation and thermal regulation performance of textiles, and it is also one of the decisive factors for consumers to measure the quality of fabrics. Therefore, it is particularly important to study the heat transfer performance of textiles in the research and development of textiles. [0003] Most of the test...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N25/20
Inventor 姚宝国杨云娟张浙烽
Owner CHINA JILIANG UNIV
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