Intelligent watt-hour meter for electricity larceny prevention based on internet of things and monitoring system

A technology of smart watt-hour meters and monitoring systems, applied in the direction of measuring electrical variables, measuring devices, instruments, etc., can solve problems such as inability to deal with electricity stealing technology, and achieve the effect of avoiding electricity stealing behavior

Pending Publication Date: 2019-05-28
LUOHE POWER SUPPLY OF HENAN ELECTRIC POWER CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But the application doesn't deal with new power-stealing techniques

Method used

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  • Intelligent watt-hour meter for electricity larceny prevention based on internet of things and monitoring system
  • Intelligent watt-hour meter for electricity larceny prevention based on internet of things and monitoring system
  • Intelligent watt-hour meter for electricity larceny prevention based on internet of things and monitoring system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Embodiment 1, this embodiment provides an anti-stealing electricity smart meter and monitoring system based on the Internet of Things, including a power supply module, a metering module, an anti-stealing module, a monitoring system, and the Internet of Things;

[0040] The power module converts the alternating current in the electric meter into the direct current required by the internal components of the electric meter through the rectification module 1;

[0041] The metering module includes a current sampling 2, a voltage sampling 3, and a metering chip 4;

[0042] The anti-stealing module includes a microcontroller 5 , a thyristor relay 12 , an environment monitoring module 11 , and a control switch 10 .

[0043] Further, the voltage sampling 2 and the current sampling 3 collect primary circuit voltage and current through transformers, and are used for electric energy metering of user loads.

[0044] Further, the microcontroller 5 is the core component of the watt-h...

Embodiment 2

[0060] This embodiment provides a method for using an anti-stealing smart watt-hour meter based on the Internet of Things and a monitoring system, including the following steps:

[0061] S1. Electricity stealing elements steal electricity. First, use self-made or purchased special instruments to change the operating environment of the watt-hour meter, that is, change the electric field, magnetic field, or maliciously increase the load and inject harmonic current, so that the watt-hour meter does not work or crashes. ;

[0062] S2. Real-time detection of current, electric field, magnetic field, and harmonics through the current detection module, electric field detection module, magnetic field detection module, and harmonic detection module arranged inside the watt-hour meter, and the monitoring data is returned to the microcontroller;

[0063] S3. After the microcontroller receives the monitoring signal, if electricity stealing is found, pins 5-6 are at low potential, the contr...

Embodiment 3

[0069] The difference between this embodiment and Embodiment 1 is:

[0070] Through the watt-hour meter Internet of Things monitoring system, the user's electricity consumption information is compared and analyzed: such as load current and monthly electricity consumption. If it is detected that the environmental conditions have changed, the user's current or power has dropped significantly or is zero, indicating that there is a If you are suspected of stealing electricity, you can send people to investigate and wait at the spot. Through the promotion and application of this electricity stealing technology, the occurrence of electricity stealing behaviors can be greatly reduced.

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Abstract

The invention provides an intelligent watt-hour meter for electricity larceny prevention based on internet of things and a monitoring system. The intelligent watt-hour meter for electricity larceny prevention based on internet of things comprises a power supply module, a metering module, an electricity larceny prevention module, a monitoring system and the Internet of things, wherein the meteringmodule comprises a current sampling module, a voltage sampling module and a metering chip; the electricity larceny prevention module comprises a microcontroller, a thyristor relay, an environmental monitoring module and a control switch. The monitoring system comprises an acquisition terminal, a communication module and a background server, and the internet of things includes a monitoring system and a watt-hour meter on a site. Detection components are arranged in the watt-hour meter, a watt-hour meter environment is monitored and analyzed, whether electricity larceny occurs or not is judged,power supply is cut off in time when the electricity larceny occurs, the electricity larceny behavior is prevented from further occurring, and the property of a power system is protected from being lost. Moreover, switching-off power failure or switching-on power supply of a user can be achieved remotely or on site through the internet of things, and the intelligent watt-hour meter is more flexible and convenient.

Description

technical field [0001] The invention relates to the technical field of power distribution operation and maintenance, in particular to an anti-theft smart watt-hour meter and a monitoring system based on the Internet of Things. Background technique [0002] Electricity theft is mostly for low-voltage users such as residents and general industrial and commercial users. The locations of electricity theft are widely distributed. Electricity theft occurs in the corridors of residential areas and residential buildings. It is very difficult to investigate, and it is even more difficult to guard against. [0003] A user's electricity theft may be relatively small, but if there are many households stealing electricity, it will also cause serious economic losses to the power company. At the same time, such users are widely distributed in areas such as urban-rural junctions, and the difficulty of anti-stealing work has greatly increased. Stealing electricity is a bad habit, if not sto...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R22/06
Inventor 李亮韩源王建军李帅刘海燕李培军宋小兵李晓方赵欣慧王金珂赵永刚
Owner LUOHE POWER SUPPLY OF HENAN ELECTRIC POWER CORP
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