Heating unit of heat conductivity coefficient tester
A technology of thermal conductivity and heating unit, applied in the field of measurement, can solve the problems of inability to take into account the mechanical strength of the metering plate and the heat transfer metering plate and the ratio of the gap area.
Active Publication Date: 2021-11-19
北京林电伟业电子技术有限公司 +2
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Problems solved by technology
[0005] The purpose of the present invention is to provide a heating unit for a thermal conductivity tester to solve the technical problem that the existing heating unit cannot take into account the heat transfer between the metering plate and the protective plate, the mechanical strength of the metering plate and the proportion of the gap area
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[0031] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0032] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...
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The invention provides a heating unit of a heat conductivity coefficient tester. The heating unit of the heat conductivity coefficient tester comprises a first projection, the first projection is arranged on a metering plate and / or a protection plate, a first gap is formed between the metering plate and the protection plate, and the width of the first gap is increased from a direction far away from a heating member to a direction close to the heating member. In the heating unit of the heat conductivity coefficient tester provided by the invention, the width of the first gap is increased from the direction far away from the heating piece to the direction close to the heating piece, the width increasing position can reduce the heat of the metering plate transferred to the protection plate, the strength of the metering plate can also be met due to the arrangement of the first bulge, and the gap area proportion can also meet the requirement.
Description
technical field [0001] The invention relates to the technical field of measurement, in particular to a heating unit of a thermal conductivity measuring instrument. Background technique [0002] The thermal conductivity tester is used to measure the thermal resistance and thermal conductivity of thermal insulation materials. Thermal conductivity is an important parameter used to measure the thermal conductivity and thermal insulation performance of heat-resistant materials. The accuracy of thermal conductivity measurement results is closely related to the heating unit of the measuring instrument. [0003] In the prior art, the heating unit of the thermal conductivity measuring instrument includes a metering plate and a protective plate. The protective plate is arranged on the outside of the metering plate along the circumference of the metering plate. The protective plate is used to prevent the heat loss of the metering plate. The metering plate and the protective plate Ther...
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Login to View More IPC IPC(8): H05B3/02G01N25/20
Inventor 付志勇杨杰斌万正军邱萍黄伟李征薛诚
Owner 北京林电伟业电子技术有限公司