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Thermocouple fixing device and fire endurance test device

A technology of fixed equipment and thermocouples, applied in measuring devices, thermometers using electrical devices, and thermometers with electrical/magnetic components directly sensitive to heat, etc. Accurately obtain the temperature of the backfire surface of the specimen

Pending Publication Date: 2019-03-19
CHINA TEST & CERTIFICATION INT GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, during the fire resistance test, the surface of the test piece will be deformed due to heating, which will cause the thermocouple to fall off, and the temperature of the unfired surface of the test piece cannot be accurately obtained, resulting in inaccurate or failure of the fire resistance test.

Method used

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  • Thermocouple fixing device and fire endurance test device
  • Thermocouple fixing device and fire endurance test device
  • Thermocouple fixing device and fire endurance test device

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Embodiment Construction

[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. 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.

[0025] It should be noted that the technical features in the embodiments of the present invention can be combined with each other without conflict.

[0026] An embodiment of the present invention provides a thermocouple fixing device, specifically, such as figure 1 , figure 2 , image 3 and Figure 4 as shown, figure 1 The front view of...

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Abstract

The invention provides a thermocouple fixing device and a fire endurance testing device, and relates to the technical field of testing. The thermocouple fixing device comprises a slide rail base; theslide rail base is vertically provided with at least one vertical slide rail, and each of the vertical slide rails is provided with at least one fixing component; the fixing component comprises a fixing seat, a sleeve and a spring connected in sequence, and the fixing seat is fixed to the vertical sliding rails; the sleeve and an inner cavity of the spring are used for a thermocouple wire to passthrough to make a thermoelectric metal piece of a contact end of a thermocouple be exposed to the outside of the spring. The device can prevent the thermocouple from falling off caused by deformationof the surface of a test piece in a fire endurance test.

Description

technical field [0001] The invention relates to the technical field of testing, in particular to a thermocouple fixing device and a fire resistance limit testing device. Background technique [0002] The fire resistance limit refers to the fire resistance test of any test piece (such as a building component) according to the time-temperature standard curve, from the time it is subjected to the action of fire to the time when it loses its supporting capacity or integrity or loses its fire insulation effect. A period of time, expressed in hours. [0003] In the process of testing the fire resistance limit of the specimen, it is necessary to accurately measure the temperature of the unfired surface of the component. In temperature measurement, thermocouples are widely used. It has the advantages of simple structure, convenient manufacture, wide measurement range and high precision. It has many advantages, such as high inertia, small inertia and easy remote transmission of the ...

Claims

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Application Information

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IPC IPC(8): G01K1/14G01K7/02
CPCG01K1/14G01K7/02
Inventor 张鑫潘超李泽文李男男袁志欣龚春平
Owner CHINA TEST & CERTIFICATION INT GRP CO LTD
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