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Atmospheric ion mobility measuring device and measuring method

A technology of atmospheric ions and measuring devices, which is applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems of large overall volume, and achieve the effects of small overall volume, simple structure, and convenient operation

Pending Publication Date: 2022-03-18
FUXIN POWER SUPPLY COMPANY STATE GRID LIAONING ELECTRIC POWER +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional atmospheric ion mobility measurement devices use multi-layer parallel electrodes, coaxial cylinders and other measurement structures. However, the above atmospheric ion mobility measurement devices require the cooperation of 2 to 3 high-voltage DC power supplies, and the overall volume is large, so it is difficult to operate in complex transmission lines Promoting the use of survey sites

Method used

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  • Atmospheric ion mobility measuring device and measuring method
  • Atmospheric ion mobility measuring device and measuring method
  • Atmospheric ion mobility measuring device and measuring method

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Embodiment Construction

[0027] Such as figure 1 , figure 2 As shown, a device for measuring atmospheric ion mobility includes a base 1, on which a corona cage 2 with a ring-shaped cross section is installed, on which an insulating support frame 3 is installed, and an electrode is installed on the insulating support frame 3 Rod 4, the electrode rod 4 is coaxial with the corona cage 2, a discharge point 5 is provided on the electrode rod 4, a high-voltage DC power supply 6 is connected to one end of the electrode rod 4 through a wire, and an ion current plate 7 is fixedly installed on the inner wall of the corona cage 2 , the ion current plate 7 is arc-shaped and closely fits with the inner wall of the corona cage 2, the discharge point 5 points to the ion current plate 7, and the signal output end of the ion current plate 7 is connected to a sampling resistor 8, and the sampling The signal output end of the resistor 8 is connected to a data acquisition card 9 , and the signal output end of the data ...

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Abstract

The atmospheric ion mobility measuring device comprises a base, a corona cage mounted on the base, an electrode stem arranged at the axis of the corona cage, a discharge point arranged on the electrode stem, a high-voltage direct-current power supply connected to one end of the electrode stem through a wire, an ion flow plate fixedly mounted on the inner wall of the corona cage, and the discharge point pointing to the ion flow plate. The signal output end of the ion flow plate is connected with a sampling resistor, the signal output end of the sampling resistor is connected with a data acquisition card, and the signal output end of the data acquisition card is connected with a data processing computer. The device is simple in structure, convenient to operate, small in overall size and beneficial to popularization and application in complex power transmission line survey sites.

Description

technical field [0001] The invention relates to atmospheric ion detection equipment, in particular to an atmospheric ion mobility measurement device and measurement method. Background technique [0002] When the line voltage exceeds the critical voltage of corona discharge, the air molecules around the line are ionized into positive and negative ions, which move directionally under the action of the electric field to form ionic current. The electromagnetic environment problem caused by corona discharge in DC transmission lines is an important factor affecting line design parameters such as wire selection, wire height to ground, transmission corridor width, pole spacing, and split spacing. [0003] For the analysis of the electromagnetic environment of the DC transmission line, especially the calculation of the ground ion current density and space charge, the physical parameter of the atmospheric ion mobility during the corona discharge process needs to be known. Traditional...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/622
CPCG01N27/622
Inventor 王丹李璐王一于浩张佳佳彭国涛郭荆明赵钰琦吴晓梅刘楠于佳宁
Owner FUXIN POWER SUPPLY COMPANY STATE GRID LIAONING ELECTRIC POWER
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