Intelligent electric meter defect detection equipment

A technology for testing equipment and electricity meters, which can be used in measuring devices, measuring electrical variables, instruments, etc.

Inactive Publication Date: 2015-05-13
STATE GRID SHANDONG ELECTRIC POWER CO QINGZHOU POWER SUPPLY CO +2
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Problems solved by technology

[0004] In the prior art, manual inspection is mainly used to detect the display defect of the electric meter reported for repair. There are many inspection procedures, and the steps that inspectors need to input are complicated. The accuracy and efficiency of inspection are not high. Due to the complex types of electric meters and the difficulty of display defect detection, these existing electronic testing equipment have ...

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Embodiment Construction

[0017] The implementation of the smart meter defect detection device of the present invention will be described in detail below with reference to the accompanying drawings.

[0018] Ammeters are widely used and are the most basic metering terminals for power supply management departments to manage users' electricity consumption. Every electricity user needs to install an ammeter to measure their electricity consumption in real time. Therefore, the demand for ammeters is particularly large. The market for ammeters Also very active.

[0019] Common electric meters on the market can be classified in the following ways: (1) by use: industrial and civil meters, electronic standard meters, maximum demand meters, multi-rate meters; (2) by structure and working principle: inductive (mechanical), static (electronic), electromechanical (hybrid); (3) according to the nature of the power supply: AC meter, DC meter; (4) according to the accuracy level: commonly used ordinary meters: 0.2S, ...

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Abstract

The invention relates to intelligent electric meter defect detection equipment which comprises an infrared communication interface, a high-definition camera, an image detector and an embedded type processor, wherein the infrared communication interface is used for sending a test signal to a detected electric meter so as to enable the detected electric meter to control a display screen of the detected electric meter to display a test character string included in the test signal; the high-definition camera is used for shooting the display screen of the detected electric meter to output a test image; the image detector is connected with the high-definition camera and is used for carrying out image processing on the test image to identify the character string in the test image and output the character string serving as an identification character string; the embedded type processor is connected with the image detector and is used for comparing the identification character string with the test character string so as to determine whether to send a defect alarming signal. The intelligent electric meter defect detection equipment can completely and automatically detect the displaying defect of the display screen of each electric meter, and the labor cost and the time cost are reduced.

Description

technical field [0001] The invention relates to the field of power supply equipment management, in particular to an intelligent detection equipment for electric meter defects. Background technique [0002] Ammeter, short for watt-hour meter, is an instrument used to measure electric energy, also known as watt-hour meter, fire meter, electric energy meter, and kilowatt-hour meter. The electric meter is the metering equipment used by the power supply management department to detect the electric energy used by each power-consuming unit or individual, and is the basis for charging each power-consuming unit or individual. [0003] The information of the electricity meter is mainly conveyed through its display screen. During the production process of electric meters, it is inevitable that there will be defects in the display screen or processing equipment or transmission equipment, which will cause the display of the display screen to fail to meet expectations and have defects, w...

Claims

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Application Information

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IPC IPC(8): G01R35/04
CPCG01R35/04G06V20/52G06V30/153
Inventor 不公告发明人
Owner STATE GRID SHANDONG ELECTRIC POWER CO QINGZHOU POWER SUPPLY CO
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