A fabric system thermal protection tester
A thermal protection and tester technology, applied in instruments, measuring devices, scientific instruments, etc., can solve the problems of testing thermal protection, unable to effectively simulate the continuous wetting of the fabric system, unable to wet the fabric, etc., so as to reduce thermal damage. , perfect thermal protection test and evaluation, the effect of strong controllability of wetting degree
Inactive Publication Date: 2011-12-07
DONGHUA UNIV
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Problems solved by technology
However, the current thermal protection tester cannot continuously wet the fabric during the test, and cannot effectively simulate the continuous wetting of the fabric system by sweat to test the thermal protection
Method used
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[0019] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.
[0020] Embodiments of the present invention relate to a fabric system thermal protection tester, such as figure 1 As shown, it includes a heat exposure simulation box 21, a water pump 10, a simulated skin temperature data acquisition system 19, and a temperature and humidity data acquisition system 20, wherein the cross section of the heat exposure simulation box 21 is a square. The base box 1 is provided under the heat exposu...
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Abstract
The invention relates to a tester of thermal protection of a fabric system. The tester which comprises a thermal exposure simulation case, a water pump, a skin temperature simulation datum acquisition system and a temperature and humidity datum acquisition system is characterized in that: a basal case with heating tubes provided therein is arranged under the thermal exposure simulation case; the outside of the thermal exposure simulation case is provided with a housing, and the top of the thermal exposure simulation case is provided with a sensor pedestal; a skin simulation sensor which is connected with the skin simulation temperature datum acquisition system is arranged in the sensor pedestal; the lower surface of the skin simulation sensor is provided with a capillary outlet pipe network; the capillary outlet pipe network is connected with the water pump by a water tube, wherein the water pump is connected with a constant temperature water bath; an comfortable layer attached fabricsystem thermal insulation layer, a waterproof ventilating layer, and an outer layer which are sequentially superposed are fixed under the capillary outlet pipe network by fabric clamping devices; a space block is arranged between the fabric clamping devices and the capillary outlet pipe network; a thermal insulation board is arranged under the outer layer; and temperature sensors and humidity sensors which are connected with the temperature and humidity datum acquisition system are arranged at appropriate positions. The tester of the invention allows thermal protection assessment to be carried out in the condition of continuous wetting.
Description
technical field [0001] The invention relates to the technical field of thermal protection safety, in particular to a thermal protection tester for fabric systems. Background technique [0002] The thermal protective clothing fabric system includes an outer layer, a waterproof and breathable layer, a thermal insulation layer and a comfortable layer. The thermal protection test is to objectively and quantitatively evaluate and study the thermal protection performance of the thermal protective clothing fabric system. The thermal protection testers currently used mainly include ASTM D 4108 open flame method fabric thermal protection test, NFPA 1977 fabric thermal radiation protection test, NFPA 1971 thermal radiation and heat convection mixed action protection performance test, etc. The thermal protection tester is generally composed of a heat source device, a heat source preheating shielding device, a sample clamping device, a heat flow meter, and a drawing recorder. Different ...
Claims
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IPC IPC(8): G01N25/20
CPCG01N33/367
Inventor 李俊辛丽莎王云仪李学东
Owner DONGHUA UNIV
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