CN204989275U - To high -risk anti -electricity -theft system of stealing electric user - Google Patents

Abstract

The utility model relates to an anti-stealing system for high-risk electricity-stealing users. The output end of its energy-taking transformer is connected to the input end of an inductive power-taking module, and the power output end of the inductive power-taking module is respectively connected to a current measurement module and a main control unit. and the power signal input end of the first communication module, the signal output end of the current measurement transformer is connected to the signal input end of the current measurement module, the signal output end of the current measurement module is connected to the first communication end of the main control unit, and the first communication end of the main control unit The second communication terminal is connected to the first communication terminal of the monitoring management server through the first communication module, and the second communication terminal of the monitoring management server is used to obtain the electricity consumption data collected by the smart meter corresponding to the metering box from the interface provided by the electricity consumption information collection system. The utility model solves the problems of difficulty in obtaining evidence, slow response and low efficiency in the current anti-stealing work through the above structure. It greatly facilitates the difficulty of investigation and punishment of electricity theft, and ensures that the country's electric property is not damaged.

Description

Anti-stealing system for high-risk electricity theft users

technical field

The utility model relates to the technical field of electricity theft prevention in the electric power industry, in particular to an electricity theft prevention system for high-risk electricity theft users.

Background technique

Electricity is a commodity. The promulgation of my country's Electric Power Law clarifies the rights and obligations of both power suppliers and consumers, making the power market on the road of standardization and legalization. Users must pay the electricity fee on time according to the electricity price approved by the state and the records of the metering device. Stealing electricity is an illegal and criminal act, and any unit or individual is prohibited from illegally occupying and using electric energy. However, in real life, some enterprises and individuals are driven by the idea of illegal profit to steal electricity to achieve the purpose of paying less or even not paying electricity bills, and the country and power management companies have suffered huge economic losses. Stealing electricity not only damages the economic interests of the country and power management enterprises, but also endangers the normal operation of the power grid and hinders the normal development of the power industry. Individual user's private dragging and hanging can easily lead to power grid accidents, harm the rights and interests of legitimate users innocently, and affect the healthy development of the regional economy.

With the serious investigation and punishment of electricity theft by the power supply department, the electricity theft of electricity users is becoming more and more hidden. However, the power sector can only carry out surprise checks on some power users suspected of stealing electricity, and it is impossible to monitor all users throughout the day. The electricity inspectors are in the open, while the electricity stealers are in the dark. Some users resume normal metering before the inspection by the power department, and then start stealing electricity after the inspectors leave. Some users' electricity stealing behavior is very hidden, and the inspectors cannot find it.

Utility model content

The purpose of the utility model is to provide an anti-stealing system for high-risk electricity-stealing users, which can solve the problems of difficult evidence collection, slow response and low efficiency in the current anti-stealing work.

In order to solve the above technical problems, the utility model discloses an anti-stealing system for high-risk electricity-stealing users, which is characterized in that it includes an energy-taking transformer, a current measuring transformer, an inductive power-taking module, a current measuring module, a main control unit, a first communication module, and a monitoring management server, wherein the output end of the energy harvesting transformer is connected to the input end of the induction power acquisition module, and the power output end of the induction power acquisition module is respectively connected to the current measurement module, the main control unit and the The power signal input end of the first communication module, the signal output end of the current measurement transformer are connected to the signal input end of the current measurement module, the signal output end of the current measurement module is connected to the first communication end of the main control unit, and the second communication end of the main control unit The communication terminal is connected to the first communication terminal of the monitoring and management server through the first communication module, and the second communication terminal of the monitoring and management server is used to obtain the electricity consumption data collected by the smart meter corresponding to the metering box from the electricity consumption information collection system. Transformers and current measuring transformers are used to install on the primary side three-phase power lines of user power transformers.

It also includes an access control sensor, a camera module, an electronic key module, a controller and a second communication module arranged in the metering box, wherein the access sensor is installed on the door of the metering box for sensing whether the door of the metering box is opened The signal output end of the access control sensor is connected to the access control sensing signal input end of the controller, the communication end of the camera module is connected to the camera data communication interface of the controller, and the communication end of the electronic key module is connected to the encryption key of the controller. The key data communication terminal, the image data communication terminal of the controller is connected to the third communication terminal of the monitoring management server through the second communication module.

The beneficial effects of the utility model:

The utility model solves the problems of difficult evidence collection, slow response and low efficiency in the current anti-stealing work through the above structure. It greatly facilitates the difficulty of investigation and punishment of electricity theft, and ensures that the country's electric property is not damaged.

Description of drawings

Fig. 1 is the working state block diagram of the present utility model;

Among them, 1—energy transformer, 2—current measurement transformer, 3—induction power module, 4—current measurement module, 5—main control unit, 6—first communication module, 7—monitoring management server, 8— Metering box, 8.1—smart meter, 8.2—access sensor, 8.3—camera module, 8.4—electronic key module, 8.5—controller, 8.6—second communication module, 9—user power transformer, 10—power consumption information collection system .

detailed description

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail:

An anti-stealing system for high-risk electricity-stealing users of the present invention, as shown in Figure 1, includes an energy-taking transformer 1, a current measuring transformer 2, an induction power-taking module 3, a current measuring module 4, a main control Unit 5, the first communication module 6 and the monitoring management server 7, wherein the output end of the energy harvesting transformer 1 is connected to the input end of the induction power acquisition module 3, and the power output ends of the induction power acquisition module 3 are respectively connected to the current measurement module 4. The main control unit 5 and the power supply signal input end of the first communication module 6, the signal output end of the current measurement transformer 2 is connected to the signal input end of the current measurement module 4, and the signal output end of the current measurement module 4 is connected to the main control unit 5 The first communication terminal of the main control unit 5 is connected to the first communication terminal of the monitoring management server 7 through the first communication module 6, and the second communication terminal of the monitoring management server 7 is used for the slave power consumption information collection system 10 Obtain the power consumption data collected by the smart meter 8.1 corresponding to the metering box 8 (the monitoring and management server 7 obtains the user power consumption data measured by the smart meter 8.1 through the interface provided by the power consumption information collection system 10), and the energy transformer 1 And the current measuring transformer 2 is used to be installed on the primary side three-phase power line of the user power transformer 9 .

The above-mentioned current measurement module 4 , the main control unit 5 and the first communication module 6 are powered by the energy transformer 1 and the inductive power acquisition module 3 .

In the above-mentioned technical solution, the above-mentioned anti-stealing system also includes an access control sensor 8.2, a camera module 8.3, an electronic key module 8.4, a controller 8.5 and a second communication module 8.6 arranged in the metering box 8, wherein the access control sensor 8.2 Be installed on the door of metering box 8 and be used for sensing whether the door of metering box 8 is opened, the signal output end of described access control sensor 8.2 is connected the access control sensing signal input end of controller 8.5, and the communication end of described camera module 8.3 is connected control The camera data communication interface of the device 8.5, the communication end of the electronic key module 8.4 is connected to the key data communication end of the controller 8.5, and the image data communication end of the controller 8.5 is connected to the monitoring management server 7 through the second communication module 8.6 the third communication terminal.

In the above technical solution, both the first communication module 6 and the second communication module 8.6 adopt a GPRS (General Packet Radio Service, General Packet Radio Service) wireless communication method.

The above-mentioned overall hardware circuit is potted with epoxy resin, which has the effect of dustproof and waterproof, and is suitable for outdoor environments.

Before the utility model is installed, inspectors analyze various models such as line loss anomaly monitoring, power consumption anomaly monitoring, and power consumption event anomaly monitoring of the power consumption evaluation system to find out the high-risk power-stealing suspicion degree greater than the set value. stealing users. The anti-stealing device of the present utility model is installed at the metering place of the user after checking by the inspectors.

An anti-stealing method based on the above-mentioned anti-stealing system for high-risk electric-stealing users, is characterized in that it includes the following steps:

Step 1: The current measurement transformer 2 senses the current of the three-phase power line on the primary side of the user's power transformer 9 in real time, and the current measurement module 4 measures the real-time current value;

Step 2: The current measurement module 4 transmits the real-time current value of the three-phase power line on the primary side of the user power transformer 9 to the main control unit 5, and the main control unit 5 transmits the three-phase power line on the primary side of the user power transformer 9 through the first communication module 6. The real-time current value is transmitted to the monitoring management server 7;

The monitoring management server 7 obtains the real-time power consumption data collected by the smart meter 8.1 corresponding to the metering box 8 from the interface provided by the power consumption information collection system 10. get on the road;

Step 3: The monitoring and management server 7 converts the real-time current value of the three-phase power line on the primary side of the user's power transformer 9 into real-time apparent power S1 on the primary side of the user's power transformer 9 according to a conventional apparent power calculation method;

The monitoring and management server 7 converts the real-time power consumption data (active power, reactive power, current value, voltage value) of the three-phase power line on the secondary side of the user's power transformer 9 into the user's power transformer (9 ) the real-time apparent power S2 of the secondary side (since the smart meter 8.1 will measure the active energy and reactive energy, the monitoring management server 7 will calculate the active energy and reactive energy through the conventional apparent power after reading the data of the energy meter The calculation method can obtain the secondary side apparent power);

Step 4: The monitoring and management server 7 calculates the value of (S1-S2)/S1 in real time (S1 and S2 are equal under ideal conditions, and the internal loss of the power transformer needs to be considered in reality, so S1 is slightly greater than S2; if electricity stealing occurs, Then the metered S2 will be reduced, and should not exceed ±7% in the case of considering the normal fluctuation of the voltage amplitude), and judge in real time whether the value of (S1-S2)/S1 exceeds the given threshold range, if (S1- If the value of S2)/S1 exceeds the given threshold range, it means that the user corresponding to the above smart meter 8.1 is suspected of stealing electricity; if the value of (S1-S2)/S1 does not exceed the given threshold, it means that the user corresponding to the above smart meter 8.1 The power consumption of the user is normal.

In the above technical solution, the given threshold range is -7% to +7%.

Because this system is aimed at 10kV industrial power users, the allowable voltage fluctuation value of the primary side of the 10kV power transformer is ±7%, so the apparent power threshold of the primary side is measured current*rated voltage 10kV*(1±7%) It is judged as normal within.

An anti-stealing monitoring method based on the above-mentioned anti-stealing system for high-risk electric-stealing users is characterized in that: the door of the access control sensor 8.2 detects whether the door of the metering box 8 is opened in real time, and if the door of the metering box 8 is sensed by the access sensor 8.2 When the door is opened, the access control sensor 8.2 sends an instruction to the controller 8.5, and the controller 8.5 controls the camera module 8.3 to start shooting according to the instruction, and the camera module 8.3 saves the real-time video image locally;

When the camera module 8.3 starts shooting, the controller 8.5 controls the electronic key module 8.4 to start timing. If there is no authorized electronic key inserted in the electronic key module 8.4 within the preset time, the opening of the metering box door will be blocked. It is determined to be an illegal operation. At this time, the controller 8.5 transmits the real-time video image captured by the camera module 8.3 to the monitoring management server 7 by the second communication module 8.6.

The system determined that the opening of the metering box was an illegal operation and there was a suspicion of electricity theft. It immediately called the police and notified the inspectors to deal with it on the spot. This set of metering box video monitoring device can well solve the problem of difficult evidence collection in the anti-theft work.

In the above technical solution, the preset time is preferably 15 seconds.

The content not described in detail in this specification belongs to the prior art known to those skilled in the art.

Claims (3)

1. An anti-theft system for high-risk electricity theft users is characterized in that it includes an energy-taking transformer (1), a current measurement transformer (2), an induction power-taking module (3), a current measurement module (4 ), a main control unit (5), a first communication module (6) and a monitoring management server (7), wherein the output end of the energy transformer (1) is connected to the input end of the induction power acquisition module (3), The power output terminals of the inductive power-taking module (3) are respectively connected to the power signal input terminals of the current measurement module (4), the main control unit (5) and the first communication module (6), and the signal output terminals of the current measurement transformer (2) terminal is connected to the signal input terminal of the current measurement module (4), the signal output terminal of the current measurement module (4) is connected to the first communication terminal of the main control unit (5), and the second communication terminal of the main control unit (5) passes through the first The communication module (6) is connected to the first communication terminal of the monitoring management server (7), and the second communication terminal of the monitoring management server (7) is used to obtain the smart meter corresponding to the metering box (8) from the electricity consumption information collection system (10) (8.1) The collected power consumption data, the energy harvesting transformer (1) and the current measuring transformer (2) are used to be installed on the primary side three-phase power line of the user power transformer (9). 2. The anti-stealing system for high-risk electricity theft users according to claim 1, characterized in that: it also includes an access control sensor (8.2), a camera module (8.3), an electronic key A key module (8.4), a controller (8.5) and a second communication module (8.6), wherein the access control sensor (8.2) is installed on the door of the metering box (8) for sensing whether the door of the metering box (8) Open, the signal output end of the access control sensor (8.2) is connected to the access control sensing signal input end of the controller (8.5), and the communication end of the camera module (8.3) is connected to the camera data communication interface of the controller (8.5). The communication end of the electronic key module (8.4) is connected to the key data communication end of the controller (8.5), and the image data communication end of the controller (8.5) is connected to the monitoring management server (7) through the second communication module (8.6). ) of the third communication terminal. 3. The electricity theft prevention system for high-risk electricity theft users according to claim 1, characterized in that: the first communication module (6) and the second communication module (8.6) are both GPRS wireless communication modules.