Outdoor dynamic testing method for heat-insulation property of heat-insulation coating at outer wall of building

A heat-insulating coating and dynamic testing technology, which is applied in the direction of material thermal development, material thermal conductivity, etc., can solve the problems of inability to test and analyze the impact of heat-insulating coating building energy consumption, etc., and achieve the effect of accurate test results

Inactive Publication Date: 2009-11-11
SHANGHAI RES INST OF BUILDING SCI CO LTD
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  • Abstract
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Problems solved by technology

[0007] The purpose of the present invention is to provide an outdoor dynamic test method for the thermal insulation performance of building exterior wall thermal ins

Method used

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  • Outdoor dynamic testing method for heat-insulation property of heat-insulation coating at outer wall of building
  • Outdoor dynamic testing method for heat-insulation property of heat-insulation coating at outer wall of building
  • Outdoor dynamic testing method for heat-insulation property of heat-insulation coating at outer wall of building

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Embodiment Construction

[0034] The specific embodiment of the present invention is to place a protective hot box on a turntable that can rotate 360°; the test box and the reference box are placed in the protective hot box on five sides except the test surface; in the test box The test and reference base wall and the test and reference samples are made on the test surface of the reference box; adjust the temperature in the test box, the reference box and the protective hot box to 24°C; adjust the test box The wind speed on the inner surface of the test surface of the test body and the reference box is less than 0.3 m / s; the thermal insulation performance of the tested sample is obtained under actual outdoor conditions.

[0035] The material of the protective hot box is polyurethane, and the thickness of the box body is 10 cm. The length of the test box and the reference box is 2 meters, the width is 2 meters, and the height is 2.4 meters. There are square openings with a side length of 1.5 meters on the f...

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Abstract

The invention discloses an outdoor dynamic testing method for heat-insulation property of heat-insulation coating at the outer wall of a building, comprising the steps of: placing a test board containing a protective hot box on a rotating disc capable of rotating by 360 degrees; placing a testing box body and a reference box body in the protective hot box; manufacturing a testing wall body adhered with the heat-insulation coating on the testing surface of the testing box body, and manufacturing a reference wall body adhered with the reference coating on the testing surface of the reference box body; regulating and controlling the interior temperature of the testing box body, the reference box body and the protected hot box to be 24 DEG C; regulating and controlling the internal surfaces of the surfaces of the testing box body and the reference box body to be less than 0.3m/s; and obtaining the heat-insulation property of the heat-insulation coating. The testing method takes the effects of solar radiation into consideration, can test and analyze the effect of the heat-insulation coating on the building energy consumption, and can obtain an accurate measurement result for the heat engineering performance of the wall body or the roofing under practical winter and summer climatic conditions.

Description

Technical field [0001] The invention relates to the technical field of building thermal performance testing, in particular to an outdoor dynamic testing method for the thermal insulation performance of building exterior wall thermal insulation coatings. Background technique [0002] At present, developed countries such as the United States and Germany have successively developed reflective and thermal insulation coatings for color tiles and roofs based on special coatings for aviation and military use, which have a certain reflectivity and energy saving efficiency. Existing thermal insulation coatings can be roughly divided into the following three categories according to the mechanism: [0003] (1) Barrier thermal insulation coating, which is a passive cooling coating that achieves thermal insulation through the impedance of heat transfer. Generally, a composition with low thermal conductivity is used or air with extremely low thermal conductivity is introduced into the coating ...

Claims

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Application Information

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IPC IPC(8): G01N25/20G01N25/18
Inventor 邱童曹毅然
Owner SHANGHAI RES INST OF BUILDING SCI CO LTD
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