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Meter automatic test platform and test method based on python script

An automatic test and platform technology, applied in the direction of measuring devices, measuring electrical variables, instruments, etc., can solve problems such as huge workload and impossible testing, achieve broad development space, reduce repetitive testing work, and reduce manual misjudgment Effect

Active Publication Date: 2017-02-01
NINGBO SANXING INTELLIGENT ELECTRIC
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AI Technical Summary

Problems solved by technology

It is very important to detect whether the electric meter works normally in various harsh environments on site. The traditional detection is through manual testing, but this kind of workload is huge and some tests are impossible.

Method used

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  • Meter automatic test platform and test method based on python script

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Embodiment Construction

[0011] The specific operating principle of the present invention is illustrated below in conjunction with accompanying drawing: figure 1 , an automatic test platform for meters based on Python scripts, including an automatic test platform experimental device, a PC, a communication interface, a communication network, a single-phase meter, a three-phase meter, a collector and a concentrator, and the automatic test platform experimental device includes an electric meter Working voltage drop device, high-voltage pulse group device, surge module, EMC device, high-frequency generator, high and low temperature box, controllable load box, voltage switching control module, and current switching control module. The voltage switching module can be single-phase Meters, three-phase meters, collectors and concentrators provide working voltage to simulate fluctuations and impacts of on-site low-voltage power grids. The current switching module can provide digital current for single-phase mete...

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Abstract

The invention provides an automatic test platform and method for the working voltage drop of a gauge, and relates to an automatic test platform for the working voltage of the gauge, in particular to a test method adopting a Python script. The test platform comprises an automatic test platform experiment device, a PC, a communication interface, a communication network, a single-phase meter, a three-phase meter, a collector and a concentrator. The test method comprises a load recording function experiment scheme and a test step. According to the automatic test platform and method, the advantage of powerful functions of the Python script is fully utilized to design a flexible test system, various illegal working conditions can be simulated, manual misjudgment and repeated test work are reduced, fatigue never occurs, and the gauge detection efficiency is improved. Thus, the automatic test platform and method have broad application prospects.

Description

technical field [0001] The invention relates to an automatic test platform for the working voltage of a meter, in particular to a test method using a Python script. Background technique [0002] Power quality is not only related to the safe and economical operation of the power grid, but also affects the normal work of large and small power loads. With the development of modern industrial technology, the grid structure has become increasingly complex; at the same time, many power-sensitive devices are used in production, and these devices have high requirements for power quality, and new power quality problems follow. It is very important to detect whether the electric meter is working normally in various harsh environments on site. The traditional detection is through manual testing, but this kind of workload is huge and some tests are impossible. [0003] Python is an object-oriented, interpreted computer programming language. The advantages of Python language are: simple...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R35/04
Inventor 郑坚江龙飞
Owner NINGBO SANXING INTELLIGENT ELECTRIC
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