Salt spray test base
A technology of salt spray method and chassis, which is applied in the direction of testing dielectric strength, instruments, measuring devices, etc., and can solve problems such as large quality
Active Publication Date: 2020-11-06
TSINGHUA UNIV +1
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Problems solved by technology
[0008] For this reason, the first purpose of the present invention is to propose a salt spray method test base, which is used to solve the problem that the large-diameter composite insulator sample has a much larger quality, and it is difficult to hang it like a suspended composite insulator. rise up test problem
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[0025] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0026] The following describes the salt spray method test base of the embodiment of the present invention with reference to the accompanying drawings.
[0027] figure 1 It is a schematic structural diagram of a salt spray test base provided by an embodiment of the present invention. The salt spray method test base includes: a chassis 1 , a supporting composite insulator 2 and an upper disc 3 .
[0028] Wherein, at least three pairs of grooves 5 are symmetrically arranged on the upper surface of the chassis 1 and the lower surfa...
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The invention provides a test pedestal of a salt fog method. The test pedestal comprises a base plate and an upper circular plate; a groove is formed between the base plate and the upper circular plate; and a support composite insulator for supporting a large-diameter composite insulator test piece is fixed between the base plate and the upper circular plate by the groove. When testing is carried out, the base plate is arranged on the ground and a test piece is placed at the upper circular plate. According to the invention, because the upper circular plate and the base plate are arranged between the test piece and the ground and the support composite insulator is arranged between the base plate and the upper circular plate, insulativity between a lower armour clamp of the test piece and the ground can be guaranteed, so that a problem that parts of leakage currents enter the ground directly instead of flowing through a current sensor can be solved. The test pedestal can be applied to a salt fog test of a large-diameter composite insulator widely.
Description
technical field [0001] The invention relates to the test field of composite insulators, in particular to a salt spray method test base. Background technique [0002] Since the emergence of composite insulators in the middle of the 20th century, due to its excellent anti-fouling flashover performance, light weight, high mechanical strength, and convenient installation and maintenance, it has been used more and more, and its use has increased rapidly in the past 20 years. growth of. [0003] In the field of outdoor high-voltage insulation, the problems of tracking and corrosion of composite materials are not involved in other applications. At present, in order to identify and study the tracking resistance and electrical corrosion resistance of different materials, a large number of researchers have formulated many test methods or test standards to simulate the effect of dry-band arc on composite materials. Salt spray method is often used in the world. A method adopted. [0...
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IPC IPC(8): G01R1/04G01R31/12
CPCG01R1/04G01R31/1245
Inventor 李少华梁曦东沈浩刘瑛岩罗兵张福增廖一帆
Owner TSINGHUA UNIV