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Basin-type insulator digital ray detection test block and detection method

A pot-type insulator and digital ray technology is applied in the field of pot-type insulator digital ray detection test block and detection field, which can solve the problems of pot-type insulator burnout, line blackout accident, large internal stress, etc., and achieves improved production technology, simple structure, Cleverly designed effects

Inactive Publication Date: 2019-06-07
STATE GRID HENAN ELECTRIC POWER ELECTRIC POWER SCI RES INST +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Moreover, when the vacuum extraction process is improperly operated, the pouring mold or the material in the system falls off, there will be density mutation points such as air holes, point-like inclusions, and filter wires inside the pot insulator.
When the density uniformity of the pot insulator is poor or there is a sudden change in density, the local internal stress is too large, causing the pot insulator to crack and form a gas gap, and the air gap is broken down by high voltage, releasing a large amount of heat energy, causing the pot insulator to burn. cause a power outage on the entire line
[0003] At present, there is no digital ray sensitivity test block for pot insulators in the international and domestic pot insulator production. There is a large error in the situation

Method used

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  • Basin-type insulator digital ray detection test block and detection method
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Embodiment Construction

[0025] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0026] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and Simplified descriptions do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the scope of protection of the present application. In addition, the terms "first", "second", etc. are used for descriptive purposes on...

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Abstract

The application relates to a basin-type insulator digital ray detection test block and a detection method. The basin-type insulator digital ray detection test block comprises a massive main body (1) made of epoxy resin and aluminum powder, the main body is stair-stepped, the width of each step (2) of the main body is 35-45mm, and the length is 90-110mm; a plurality of concaves is arranged on eachstep of the main body, and the space between the concaves is 8-12mm. The test block disclosed by the invention has the advantages of being simple in structure and smart in design; the designed digitalray dedicated reference block can be used for formulating and evaluating the digital ray detection sensitivity of the basin-type insulator manufacturing process, the different defect types and sizescan be tested, the digital ray detection sensitivity can be evaluated, the manufacturing defect can be effectively discovered, the production process is improved, and the product safety performance isimproved.

Description

technical field [0001] The application relates to a digital ray detection test block and a detection method of a basin-type insulator, belonging to the technical field of electric equipment detection and maintenance. Background technique [0002] The full name of GIS in Chinese is metal-insulated metal-enclosed switch, which is the core component of modern power grid. GIS components are composed of central conductors, operating parts, shells, and basin insulators, and the internal space is filled with sulfur hexafluoride gas insulating gas. The pot insulator is a composite material, which is mechanically mixed and stirred by epoxy resin and alumina powder, and vacuum cast in a metal mold. After secondary curing, the alumina particles form an "island-like" structure in the epoxy resin. Due to the influence of ingredients, mixing, curing temperature and curing process, there are differences in the degree of aggregation of alumina and epoxy resin, resulting in differences in t...

Claims

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Application Information

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IPC IPC(8): G01N1/28G01N23/18
Inventor 王朝华张劲光赵永峰郭磊王朝乐
Owner STATE GRID HENAN ELECTRIC POWER ELECTRIC POWER SCI RES INST
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