Load switch testing method and load switch testing method based on power

A load switch and detection device technology, which is applied in the direction of electric power measurement by applying digital technology, can solve problems such as the inability to accurately detect load switch conditions, and achieve the effect of ensuring waveform integrity and improving accuracy

Inactive Publication Date: 2017-06-30
OCEAN UNIV OF CHINA
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Problems solved by technology

[0006] The technical solution of the present invention provides a power-based load switch dete

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  • Load switch testing method and load switch testing method based on power
  • Load switch testing method and load switch testing method based on power
  • Load switch testing method and load switch testing method based on power

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Embodiment Construction

[0044] Exemplary embodiments of the present invention will now be described with reference to the drawings; however, the present invention may be embodied in many different forms and are not limited to the embodiments described herein, which are provided for the purpose of exhaustively and completely disclosing the present invention. invention and fully convey the scope of the invention to those skilled in the art. The terms used in the exemplary embodiments shown in the drawings do not limit the present invention. In the figures, the same units / elements are given the same reference numerals.

[0045] Unless otherwise specified, the terms (including scientific and technical terms) used herein have the commonly understood meanings to those skilled in the art. In addition, it can be understood that terms defined by commonly used dictionaries should be understood to have consistent meanings in the context of their related fields, and should not be understood as idealized or over...

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Abstract

The invention relates to a load switch testing device based on power. The load switch testing device comprises the components of a current sensor which is used for testing a current analog signal in household power consumption and transmits the current analog signal to an A/D conversion module; a voltage sensor which is used for testing a voltage signal in household power consumption and transmits the voltage signal to the A/D conversion module; the A/D conversion module which is used for converting the current analog signal and a voltage analog signal to a current digital signal and a voltage digital signal, and transmitting the signals to an ARM embedded core processing module; the ARM embedded core processing module which is used for processing the current digital signal and the voltage digital signal, acquiring a power strength change value between two adjacent periods, comparing the power strength change value with a preset threshold, determining a load switching event and extracting signal characteristic data of the current digital signal and the voltage digital signal; and a memory module which is used for storing the current digital signal, the voltage digital signal and the signal characteristic data.

Description

technical field [0001] The invention relates to the field of electricity metering, and more particularly, to a power-based load switch detection device. Background technique [0002] Energy demand is the basis for the survival and development of human society, the lifeblood of economic development, and an important factor affecting the formulation of national strategies. Therefore, we must develop some technical means to save and make full use of energy. In terms of daily energy consumption, electric energy is the main form of consumption. At the same time, the proportion of electric energy consumption is also increasing year by year. Nearly half of the energy consumption comes from the consumption of electric energy. In order to continuously meet human consumption of electric energy and make efficient and rational use of energy, the management of household appliances becomes extremely important. [0003] At present, the intelligent power consumption network of users in our...

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Application Information

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IPC IPC(8): G01R21/133
CPCG01R21/133
Inventor 魏志强殷波王修伟丛艳平朱治丞黄贤青
Owner OCEAN UNIV OF CHINA
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