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Heat dissipation index sensor

A sensor and sensor body technology, applied in the sensor field, can solve the problems of temperature measurement deviation, inability to accurately measure wire data, etc., and achieve the effects of small temperature data error, accurate heat dissipation index, and uniform wall thickness

Inactive Publication Date: 2021-02-12
ELECTRIC POWER RES INST OF GUANGDONG POWER GRID
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the existing heat dissipation index sensor cannot accurately measure the data under the actual working state of the wire, and there is a temperature measurement deviation. Therefore, the present invention proposes a heat dissipation index sensor

Method used

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Embodiment 1

[0026] The above is the first embodiment of a heat dissipation index sensor provided by the embodiment of the present application, and the following is the second embodiment of a heat dissipation index sensor provided by the embodiment of the present application. For details, please refer to figure 1 and figure 2 .

[0027] The heat dissipation index sensor in this embodiment includes: a sensor body, the sensor body includes a cylindrical steel core 1 and a layer of aluminum twisted wire 2 wound on the outer surface of the cylindrical steel core 1, and a heating rod 4 is embedded in the cylindrical steel core 1 , The heating rod 4 has a built-in temperature sensor. That is, the sensor is divided into inner and outer layers, the inner layer is a cylindrical steel core 1, and the cylindrical steel core 1 is embedded with a heating rod 4 with a temperature measurement function of appropriate size; Skeined wire 2, the winding method of aluminum skeined wire 2 is as follows fig...

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Abstract

The embodiment of the invention discloses a heat dissipation index sensor, wherein the heat dissipation index sensor comprises a sensor body; the sensor body comprises a cylindrical steel core and a layer of aluminum stranded wire wound on the outer surface of the cylindrical steel core, a heating rod is embedded in the cylindrical steel core, and a temperature sensor is arranged in the heating rod. The heat dissipation index sensor disclosed by the invention has heating and temperature measuring functions, the heat dissipation index under the current environment can be calculated by measuringthe cooling rate of the sensor under a certain environment condition, and meanwhile, the sensor is closer to a steel-cored aluminum strand in appearance and more uniform in overall wall thickness. Inthe measurement process, the actual working condition of the device is closer to the actual working condition of a capacity-increasing wire, the measured temperature data error is smaller, and the heat dissipation index of the capacity-increasing wire can be simulated and measured more accurately.

Description

technical field [0001] The present application relates to the technical field of sensors, in particular to a heat dissipation index sensor. Background technique [0002] It is a new and efficient dynamic capacity increase technology to implement dynamic capacity increase on wires through heat dissipation index measurement and monitoring. By monitoring the cooling rate of materials under certain environmental conditions, combined with the measurement and calculation of relevant environmental data at that time, the heat dissipation index at that time can be known, and the conductor capacity increase margin can be calculated to realize the capacity increase of the conductor transmission. However, the current heat dissipation index sensor cannot accurately measure the data in the actual working state of the wire, and there is a temperature measurement deviation. Therefore, the present invention proposes a heat dissipation index sensor. Contents of the invention [0003] An em...

Claims

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Application Information

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IPC IPC(8): G01N25/20
CPCG01N25/20
Inventor 彭向阳王锐骆书剑欧小波
Owner ELECTRIC POWER RES INST OF GUANGDONG POWER GRID
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