Method for measuring temperature of electrical equipment through irreversible thermochromic material

An electrical equipment, temperature display technology, applied in the direction of heat-sensitive coatings, coatings, etc., can solve the problems of high cost of optical fiber, inability to effectively indicate, and inability to accurately reflect whether it suffers from overcurrent or short-circuit faults, etc., to achieve a simple and good construction process. Sunscreen and anti-aging properties, strong adhesion effect

Inactive Publication Date: 2016-09-21
WUHAN NANRUI ELECTRIC POWER ENG TECH EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cost of laying optical fiber is too high, and the use of handheld infrared thermometers requires climbing up the tower, and the measured temperature is only the temperature at the time node of the temperature measurement, which cannot accurately reflect whether it has suffered an overcurrent or short circuit fault, and cannot effectively indicate

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The invention provides a method for measuring the temperature of electrical equipment by using an irreversible temperature-indicating material, comprising the following steps:

[0029] 1) Fully mix 100g of epoxy-modified silicone resin and 300g of nickel sulfate and stir evenly, use the solvent xylene to adjust the viscosity to prepare the irreversible temperature-indicating material mixture;

[0030] 2) Clean up the floating dust, oil stains and sundries on the base surface of the busbar used in the substation and then dry it;

[0031] 3) Evenly coat the mixture of irreversible temperature-indicating materials on the base surface of the busbar;

[0032] 4) Curing the busbar coated with the mixture of irreversible temperature-indicating materials at room temperature, with a coating thickness of 20 μm, and standing for 40 hours, and then installing it to the desired position;

[0033] 5) Judging whether the electrical equipment is short-circuited by the color change of ...

Embodiment 2

[0035] The invention provides a method for measuring the temperature of electrical equipment by using an irreversible temperature-indicating material, comprising the following steps:

[0036] 1) Fully mix 100g of polyurethane modified silicone resin and 300g of cobalt nitrate and stir evenly, and use the solvent xylene to adjust the viscosity to prepare an irreversible temperature-indicating material mixture;

[0037] 2) Clean up the floating dust, oil stains and sundries on the surface of the base of the knife and dry it;

[0038] 3) Evenly coat the mixture of irreversible temperature-indicating materials on the base surface of the switch blade;

[0039] 4) Accelerate the solidification of the knife coated with the irreversible temperature-indicating material mixture at 60°C, the coating thickness is 50 μm, and let it stand for 35 hours, and then install it to the desired position;

[0040] 5) Judging whether the electrical equipment is short-circuited by the color change of...

Embodiment 3

[0042] The invention provides a method for measuring the temperature of electrical equipment by using an irreversible temperature-indicating material, comprising the following steps:

[0043] 1) Fully mix 50g of oxygen-modified silicone resin, 50g of polyurethane-modified silicone resin, 100g of azo pigment, and 200g of phthalocyanine pigment and stir evenly, and use the solvent xylene to adjust the viscosity to prepare an irreversible temperature-indicating material mixture;

[0044] 2) Clean up the floating dust, oil stains and sundries on the base surface of the transformer and dry it;

[0045] 3) Evenly coat the mixture of irreversible temperature-indicating materials on the base surface of the transformer;

[0046] 4) The transformer coated with the irreversible temperature-indicating material mixture is cured at room temperature, the coating thickness is 30 μm, and it is left to stand for 50 hours, and then installed to the desired position;

[0047] 5) Judging whether ...

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Abstract

The invention provides a detecting method for judging heating failure of an electric transmission line through an irreversible thermochromic material. The method comprises the steps of preparation of the irreversible thermochromic material, cleaning and drying of electrical equipment, coating and curing. Whether a short circuit happens to the electrical equipment or not is judged through the color changes of the irreversible thermochromic material. The irreversible thermochromic material is an environment-friendly product low in volatility and smell, has the advantages of being high in bonding strength, good in sun blocking and ageing resisting performance and the like, and is easy and convenient to operate, capable of being cured at normal temperature, high in bonding force and good in toughness. The temperature/color response speed is high, the advantages of being simple, fast, convenient, visual and the like are achieved, and the construction process is simple and convenient.

Description

technical field [0001] The invention relates to the technical field of electrical equipment, in particular to a method for measuring the temperature of electrical equipment by using an irreversible temperature-indicating material. Background technique [0002] Due to the high-altitude environment, the operation and maintenance are not easy, so the temperature monitoring of the equipment on the transmission line is not timely. When there is a short circuit or a lightning strike and a large current passes through, it cannot be reflected to the operation and maintenance personnel on the ground, causing hidden dangers to the safe operation of the equipment. For the temperature measurement of equipment on the transmission line, there are generally two methods: optical fiber online monitoring and handheld infrared thermometer temperature measurement. The cost of laying optical fibers is too high, and the use of handheld infrared thermometers requires climbing up the tower, and th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/06C09D183/10C09D5/26
CPCC09D183/06C08K3/28C08K3/30C08K2003/3045C08K2201/014C08L2205/02C09D5/26C09D183/10C08L83/10C08K5/0041C08L83/06
Inventor 胡虔吴雄潘吉林董中强吴峰朱晓东何昌林沈帆柯锐柳欢欢梅端林锋
Owner WUHAN NANRUI ELECTRIC POWER ENG TECH EQUIP
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