Defects of smart meters How does smart meters steal electricity?

Just like the human body, technological development is constantly "metabolized". In the past, mechanical electric meters used to calculate electricity were gradually replaced by smart meters, and the new smart meters also realized the power supply of banks and networks, and they could pay fees without leaving home, which greatly facilitated people's lives. However, the smart meter is not perfect, it also has defects, and then some people with ulterior motives want to use these defects to achieve the purpose of "stealing electricity." So, what are the disadvantages of smart meters? How do smart meters steal electricity? Come with me to get to know it!

1. What is a smart meter?

Electricity meter Everyone may know, what is a smart electricity meter? Smart meter is an intelligent IC card that users input into the meter after recharging, which allows the meter to supply power. When the electricity in the meter runs out, it will automatically cut off power.

Smart meter is the intelligent terminal of smart grid, and it is no longer a traditional meter. In addition to the metering function of basic electricity consumption of traditional meters, smart meters also have intelligent functions such as two-way multi-rate metering function, user control function, two-way data communication function of various data transmission modes, and anti-theft function in order to adapt to the use of smart grid and new energy.

Second, the defects of smart meters

1, users' electricity records are sampled and analyzed by manganese-copper shunt, and the breakdown of internal electronic components will lead to inaccurate measurement;

2. The power-on and power-off of the user is remotely controlled by the magnetic latching relay installed in the electric meter, which means that the user's arrears are disconnected by the remote control signal. If the relay is disturbed by a strong external magnetic field (such as NdFeB permanent magnets and magnets), the power supply cannot be disconnected, that is, the user cannot disconnect the power supply in case of arrears. This happens in countries in Africa that use smart meters. It is found that the user will no longer pay the electricity bill after turning on the phone once, and the terminal shows that the user has owed money and has been disconnected from the network.

Third, how do smart meters steal electricity?

First, determine what type of your electric meter is (there are many types of electric meters, such as electronic meters, electronic liquid crystal meters, mechanical meters, ic card prepaid meters, digital tube performance electronic meters, etc. ). The ammeter is divided into single-phase and three-phase, so first make sure whether your ammeter is single-phase or three-phase, and whether there is a long distance.

1. Connect one wire at the front end and one wire at the back end of the front-end wire of the electric meter, and the electricity will go on that wire, because the electric meter has resistance, and the electric meter will not follow.

2, two together can steal electricity, these two meters out of the zero line exchange, these two meters do not go.

3. Use a wire to bypass the smart meter and supply normal power to the home. Ordinary wires are connected to cables. If the light is turned on, the smart meter will run, and other appliances will not take the meter.

4. If a professional is asked to turn on the pyrometer, it is difficult to see that the ade7xxx chip circuit with analog-to-digital conversion should be checked before sealing.

5. The key point of cracking is to use infrared setting equipment to crack the secret code and reset the data after the 485 interface is adjacent, but the programming port has a hard switch and a heat meter is needed.

6. The ammeter shell is sealed with lead, which is no better than the previous one.

7. If the electric meter has the function of preventing electricity theft, just connect the fire-fighting zero line in front of the electric meter directly to the house and the electric meter can be turned on. Otherwise, it will be found out and punished.

8. Ordinary electronic watches use inverters, while LCD electronic watches use controllers, which can steal electricity.

9. Change the internal circuit layout of the electric meter.

10, some people will buy and sell electricity, which is illegal. Don't do this.