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Tapes for measuring the temperature of objects

A technology of objects and temperature sensors, which is used in thermometer parts, thermometers, and heat measurement, and can solve problems such as complex technical documents and difficulty in obtaining administrative licenses.

Active Publication Date: 2021-07-06
ELECTRICITE DE FRANCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This type of meter is accompanied by very complex technical documentation and difficult to obtain administrative licenses
[0014] Furthermore, the implementation of systems for positioning and attaching groups of sensors within the same device to pipes often presents problems with heat conduction between the sensors and the pipe and common mode issues between the sensors

Method used

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  • Tapes for measuring the temperature of objects
  • Tapes for measuring the temperature of objects
  • Tapes for measuring the temperature of objects

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0046]In the figures, a measuring tape 1 according to the invention is used for attaching at least one sensor 5 on an object OBJ. As described below, the object OBJ may eg be a fluid conduit OBJ such as eg a water pipe. One application of the invention is a belt for mechanically attaching one or more sensors 5 to a liquid or gas pipe as an object OBJ. The object OBJ is, for example, a water pipe of the main circuit of a pressurized water reactor (PWR) of a power station. The water pipe may be a high pressure pipe. The belt includes one or more temperature sensors 5 . Of course, the belt 1 may additionally comprise one or more sensors other than the temperature sensor 5 or only one or more temperature sensors 5 .

[0047] The belt 1 comprises a strip 10 having a perimeter for encircling an object OBJ such as for example a pipe.

[0048] In the figure, the object OBJ extends along the axial direction X, around which the strips 1 must be arranged. The strips 10 of the strip ...

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PUM

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Abstract

The invention relates to a belt for measuring the temperature of an object, the belt comprising: at least one temperature sensor (5); having a strip (10) for surrounding the circumference of the object; and for fastening the strip (10) in Device (20) around an object, characterized in that the temperature sensor (5) is mounted on a separate thermally insulating carrier (6) which is guided along the direction (62) against at least two thermally insulating pads ( 31, 32) leading towards the object (OBJ), the pads (31, 32) are fastened to the strip (10).

Description

technical field [0001] The invention relates to a belt for measuring the temperature of an object. [0002] One field of application of the invention relates in particular to water pipes, such as, for example, water pipes in the main circuits of nuclear power plants. Background technique [0003] From document US-A-4,553,432 is known a tape for measuring temperature and humidity around steam pipes in order to detect leaks there, or in discharge pipes of nuclear power plants to detect falls into the discharge pipe to see if the water in the leak is coming from a leak to use as a monitoring system for it. [0004] This known measuring tape has in particular the disadvantage that the temperature measuring cable is covered by a strip of thermal insulation, which prevents it from coming into direct contact with the object to be measured. Thus, the measurements provided by such known strips may be suitable for leak monitoring systems, but have poor accuracy for temperature value...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G21C17/112G01K7/02G01K1/14
CPCG01K1/143G01K1/146G21C17/112G01K1/026Y02E30/30G01K7/02
Inventor 马克·珀蒂西尔万·布莱龙
Owner ELECTRICITE DE FRANCE