Permeability test device under the action of electric field

Abstract

The invention discloses a permeability tester under an electric field action. The permeability tester comprises a test piece fixing base, an accommodating cylinder, a cylinder cover, a first electrode, a second electrode and a high voltage power supply, wherein the test piece fixing base is used for supporting a test piece; the accommodating cylinder is used for accommodating a penetrating fluid, the lower end of the accommodating cylinder is connected with the test piece fixing base and / or compresses the test piece supported on the test piece fixing base so as to seal the lower opening of the accommodating cylinder; the cylinder cover is used for sealing the upper end of the accommodating cylinder; the first electrode is positioned above the test piece; the second electrode is positioned below the test piece; the high voltage power supply is connected with the first electrode and the second electrode so as to exert an electric field on the test piece through the first electrode and the second electrode. The permeability tester can effectively solve the problem that the electric field action and the weighing method can not be met simultaneously during the existing liquid permeation test process and has the advantages of skillful design, simpleness in operation and the like.

Description

technical field [0001] The invention belongs to the technical field of high-voltage insulation, and in particular relates to a permeability test device under the action of an electric field. Background technique [0002] my country's energy resources are mainly distributed in the central and western regions, while the load centers are mainly distributed in the southeast coastal areas. Therefore, large-capacity and long-distance UHV AC and DC power transmission technology is the key technology to solve the inconsistency between my country's energy centers and load centers. [0003] Composite insulators are an important part of overhead transmission lines. In terms of electricity, composite insulators must withstand the effects of long-term operating voltage and transient operating overvoltage and lightning overvoltage; in terms of mechanics, composite insulators must bear the long-term Mechanical loads and other loads in weather conditions such as high winds and icing. In ad...

AI Technical Summary

Problems solved by technology

However, when using the optical observation method to study, although the effect of an electric field can be applied, only liquids with dyeing properties can be used, and the penetration characteristics of colorless liquids such as water and salt solutions in silicone rubber materials cannot be obtained. More test samples are required and the procedure is complicated

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