Anti-interference probe and system for polarization potential control of potentiostat

A potentiostat and polarization potential technology, applied in the field of anti-interference probes and systems, can solve the problems of inability to use polarization potential, large IR drop, etc., and achieve a feasible manufacturing process plan, easy mass production, and easy quality control. Effect

Active Publication Date: 2021-02-19
UNIV OF SCI & TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

At present, the reference electrode of the control point often adopts an ordinary long-term reference electrode, which is as close as possible to the surface of the test piece, but due to the cathodic protection current flowing in the electrolyte, and in the case of stray current interference, due to the stray current Flows in the electrolyte between the test strip and the reference electrode, creating a large IR drop that cannot be controlled with polarization potentials

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  • Anti-interference probe and system for polarization potential control of potentiostat
  • Anti-interference probe and system for polarization potential control of potentiostat

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Embodiment Construction

[0022] In order to better understand the technical solutions of the present invention, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0023] It should be clear that the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0024] Terms used in the embodiments of the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. As used in the embodiments of the present invention and the appended claims, the singular forms "a", "said" and "the" are also intended to include the plural forms unless the context clearly indicates otherwise.

[0025] In order to obtain accurate polariza...

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Abstract

The invention provides an anti-interference probe and system for polarization potential control of a potentiostat, relates to the technical field of cathodic protection detection, can reduce the influence of cathodic protection current and stray current on measurement potential, and facilitates the accurate control of the polarization potential of a metal component. The probe comprises an insulating shell, a test sample and a reference electrode, wherein the test sample and the reference electrode are arranged in the insulating shell; the test sample and the reference electrode are respectively connected with the outside through cables; a low-resistivity filler is arranged between the test sample and the reference electrode; the insulating shell is a sealed cavity; the probe and the potentiostat instrument achieve polarization potential control over a buried pipeline. The technical scheme provided by the invention is suitable for the polarization potential control process of the buriedpipeline.

Description

【Technical field】 [0001] The invention relates to the technical field of cathodic protection detection, in particular to an anti-interference probe and a system for controlling the polarization potential of a potentiostat. 【Background technique】 [0002] As an economical and effective method of external corrosion protection for buried or underwater metal components, cathodic protection has been widely used, and the impressed current cathodic protection has the advantages of large protection range, no influence of environmental resistivity and economy. Widely used in large industrial projects. Among them, potential control with potentiostat is one of the important means of impressed current cathodic protection. Polarization potential is an important parameter of cathodic protection, which marks the degree of cathodic polarization of metal components and is an important indicator for monitoring and controlling the effect of cathodic protection. At present, the indicators for...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23F13/06C23F13/04
CPCC23F13/04C23F13/06
Inventor 杜艳霞张雷梁毅王竹
Owner UNIV OF SCI & TECH BEIJING
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