A method and device for testing the difference in infrared emission between the front and back of textiles

Abstract

The invention discloses a method and a device for testing the infrared emission difference between the front and back of textiles. The test device includes: a bracket part, a horizontal movement part, a test part composed of an infrared light source, an upper and lower measuring arm and a sensor. The method of testing the infrared emission difference between the front and back of the textile is: fix the sample to be tested on the test board, turn on the infrared light source, realize the left and right movement of the test board through the horizontal movement part, transport the textile to the test position, and pass the upper and lower measuring arms. The sensor is used to measure the dynamic change of the infrared radiation intensity on the front and back of the textile from entering the infrared radiation area to the steady state. Through the data measured by the sensor, the direct infrared radiation intensity of the front and back sides, the infrared intensity emitted by the front and back sides, and the difference between the infrared emission intensity of the front and back sides are obtained, which can be used in the textile testing industry to realize the infrared emission of the front and back sides of textiles. A quick measure of difference.

Description

technical field [0001] The invention belongs to the field of testing the physical properties of textiles, in particular to the field of testing the infrared emission difference between the front and back of textiles. Background technique [0002] With the continuous improvement of people's living standards, people's requirements for clothing accessories are getting higher and higher, resulting in the functionalization of textiles becoming the mainstream of the development of the contemporary textile industry. In order to better apply new functional fabrics, such as fabrics with infrared functions, An effective detection technique is needed to test its performance. [0003] At present, the commonly used test methods for the infrared performance of textiles include human experiment method, temperature rise method and emissivity method. The human body experiment method evaluates the infrared radiation performance of the fabric through the direct sensory experience of the weare...

AI Technical Summary

Problems solved by technology

The human experiment method evaluates the infrared radiation performance of the fabric through the direct sensory experience of the wearer who has finished the infrared coating and the fabric without the infrared coating. This method is greatly affected by the subjective sensory factors of the experimenter and is not objective enough. The temperature rise method mainly evaluates the infrared performance of the fabric by measuring the thermal effect of the fabric absorbing infrared rays. Chinese patent CN201510095982 discloses a test method for the heat storage and heat preservation performance of textiles. The light absorption and temperature rise effect of the fabric is evaluated by the temperature rise rate of change. CN201410339095 discloses a test system and test method for the light-absorbing and heat-generating performance of textiles. By testing the heating and heat preservation process of textiles, the light-heating performance of textiles is characterized. On one side, the infrared radiation characteristics of the fabric cannot be directly characterized; the emissivity method evaluates the infrared performance of the fabric by testing the emissivity, and the standards FZ / T64010-2000 and CAS115-2005 both stipulate that the normal emissivity is used as the evaluation of the infrared function of the fabric Index, this type of method characterizes the steady-state performance of the infrared characteristics of the fabric, but cannot characterize the dynamic process of the fabric and infrared radiation

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