Direct-reading laser ESDD and NSDD testing device

Abstract

The invention belongs to the technical field of power transmission line insulators, and particularly relates to an ESDD (equivalent salt deposit density) and NSDD (non-soluble deposit density) testingdevice. The device comprises a body and a cover body, the cover body is movably hinged to the body, a display panel and a printing apparatus are arranged on the upper surface of the body, a measuringmodule, a metering module and a control module are arranged in the body, the measuring module comprises an accommodating groove, a laser transmitter, a waveform modulator, a light receiving module and an electrode sensor, an incident light window, a transmission light window and a scattered light window are arranged on the containing groove, the light receiving module comprises a reflected lightreceiving module and a scattered light receiving module, and the control module comprises a CPU main board, a communication circuit board, a USB interface and a power source. According to the invention, the ESDD and the NSDD can be rapidly measured, test values can be directly displayed, the use is convenient, and the production efficiency is high.

Description

technical field [0001] The invention belongs to the technical field of transmission line insulators, in particular to a test device for salt density and gray density. Background technique [0002] With the aggravation of environmental pollution, the possibility of pollution flashover trips faced by transmission lines and substations also increases. Salt density and gray density tests are mainly used to determine the pollution level of the area where the line is located, so as to select an appropriate maintenance cycle And appropriate creepage distance of external insulation, in order to reduce pollution flashover accident rate, reduce power outage time and economic loss. [0003] The dirty layer of line insulators contains soluble components and insoluble components. The content of soluble components is represented by equivalent salt density (ESDD); the insoluble components are represented by the content of insoluble residue on the surface of insulators—— Gray dense (NSDD) ...

AI Technical Summary

Problems solved by technology

The existing test method has the following disadvantages. The first disadvantage is that salt density and ash density need to be measured twice separately, and the measurement of ash density cannot be carried out on-site due to the limitation of required equipment, and the dirty liquid needs to be brought back for treatment; the second disadvantage is filtration. , drying and other processes take a lot of time; the third disadvantage is that there are errors caused by human factors such as incomplete transfer of cleaning solution, incomplete filtration, and insufficient drying, which will have a greater impact on the measurement data

However, this invention needs to measure the salt density and gray density separately, which takes a long time and is inefficient

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