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Thermocouple temperature measuring circuit protection tube

A line protection and thermocouple technology, applied in the field of thermocouple temperature measurement line protection tubes, can solve the problems of inability to protect temperature measurement lines, mechanical properties that cannot meet the needs, and affect the service life of thermocouples, etc., to achieve mechanical properties and resistance Enhanced brittle performance, improved surface hydrophobicity, good elasticity

Inactive Publication Date: 2018-02-23
ANHUI LAND GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when used in some machining sites, the vibration that may be caused by processing will affect the service life of the thermocouple, because the protection tube is poor in brittleness and elasticity, and its mechanical properties cannot meet the requirements. It may be broken by vibration or impact. Unable to meet the requirements of protecting the temperature measurement circuit

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A thermocouple temperature measuring line protection tube proposed by the present invention, its raw materials include by weight: 60 parts of main material, 2 parts of 1,1-bis-(tert-butylperoxy) cyclohexane, multi-walled carbon nanotubes 2 parts, 4 parts of weathered coal, 1 part of carbon fiber, 10 parts of vermiculite powder, 1 part of isopropyl titanate isostearate, 12 parts of bamboo fiber compound, 1.5 parts of plasticizer, 2 parts of antistatic agent, volume increase 0.4 parts of anti-aging agent and 2 parts of anti-aging agent.

Embodiment 2

[0015] A thermocouple temperature measuring line protection tube proposed by the present invention, its raw materials include by weight: 70 parts of main materials, 1 part of 1,1-bis-(tert-butylperoxy) cyclohexane, multi-walled carbon nanotubes 6 parts, 2 parts of weathered coal, 5 parts of carbon fiber, 4 parts of vermiculite powder, 2 parts of isopropyl titanate isostearate, 5 parts of bamboo fiber compound, 2.5 parts of plasticizer, 1 part of antistatic agent, volume increase 0.6 parts of anti-aging agent and 1 part of anti-aging agent.

[0016] The bamboo fiber composite is prepared by the following process: mix soybean polysaccharide and water evenly, add hexametaphosphate, adjust the pH value of the system to 6.2-6.5, heat up and stir, adjust the pH value of the system to 7.2-7.6, add octenyl succinic anhydride , heat up and stir, adjust the pH of the system to 4.5-5.2, concentrate by vacuum rotary evaporation, add bamboo fiber, tungalic anhydride methyl ester, and dimet...

Embodiment 3

[0018] A thermocouple temperature measuring line protection tube proposed by the present invention, its raw materials include by weight: 62 parts of main materials, 1.8 parts of 1,1-bis-(tert-butylperoxy)cyclohexane, multi-walled carbon nanotubes 3 parts, 3.5 parts of weathered coal, 2 parts of carbon fiber, 8 parts of vermiculite powder, 1.2 parts of isopropyl titanate isostearate, 10 parts of bamboo fiber compound, 1.8 parts of plasticizer, 1.8 parts of antistatic agent, volume increase 0.45 parts of anti-aging agent and 1.7 parts of anti-aging agent.

[0019] The main ingredients include by weight: 25 parts of styrene-butadiene rubber, 15 parts of chlorinated styrene-butadiene rubber, and 10 parts of polyether ketone. The plasticizer comprises by weight: 0.8 part of disproportionated rosin, 0.5 part of triphenyl phosphate, and 1 part of phosphite.

[0020] The bamboo fiber composite is prepared by the following process: mix 25 parts of soybean polysaccharide and 80 parts o...

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Abstract

The invention discloses a thermocouple temperature measuring circuit protection tube. The thermocouple temperature measuring circuit protection tube is prepared from the following raw materials in parts by weight: 60 to 70 parts of main material, 1 to 2 parts of 1,1-bi-(tert-butyl peroxide)cyclohexane, 2 to 6 parts of multiwalled carbon nanotube, 2 to 4 parts of weathered coal, 1 to 5 parts of carbon fiber, 4 to 10 parts of vermiculite powder, 1 to 2 parts of isostearic acid isopropyl titanate, 5 to 12 parts of bamboo fiber compound, 1.5 to 2.5 parts of plasticizer, 1 to 2 parts of antistaticagent, 0.4 to 0.6 part of compatibilizer and 1 to 2 parts of antiaging agent. The thermocouple temperature measuring circuit protection tube disclosed by the invention has high elasticity and superiormechanical performance, is not liable to crack, and has extremely high thermal stability; the thermocouple temperature measuring circuit protection tube is buffered under vibration, so that a core body in the protection tube is prevented from being damaged under severe vibration.

Description

technical field [0001] The invention relates to the technical field of thermocouples, in particular to a thermocouple temperature measuring line protection tube. Background technique [0002] A thermocouple is a temperature-sensing element that converts a temperature signal into a thermal electromotive force signal, and converts it into the temperature of the measured medium through an electrical instrument. Thermocouples generally have a protection tube extending into the medium to be measured and a core located in the protection tube. There are temperature measurement lines inside that need to be isolated from the outside. However, when used in some machining sites, the vibration that may be caused by processing will affect the service life of the thermocouple, because the protection tube is poor in brittleness and elasticity, and its mechanical properties cannot meet the requirements. It may be broken by vibration or impact. It cannot meet the requirements of protecting ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L9/06C08L15/02C08L71/10C08L5/00C08L97/02C08L93/04C08K13/04C08K7/24C08K5/14C08K7/06C08K3/34
CPCC08L9/06C08L2201/08C08L2203/18C08L2205/035C08L2205/16C08L2312/00C08L15/02C08L71/00C08L5/00C08L97/02C08L93/04C08K13/04C08K7/24C08K5/14C08K7/06C08K3/346
Inventor 李正祥杨永亮杨正荣宗翠梅
Owner ANHUI LAND GRP
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