I remember that when I was young, my parents would always shut us down when they encountered thunderstorms. They would turn off their TVs, computers, and other home appliances. Although they were reluctant, we would do so to prevent electric appliances from being damaged by lightning strikes. Now grown up, in addition to knowing it, but also to know why it is, then, what causes thunderstorms will cause damage to home appliances it? How can we effectively prevent home appliances from being struck by lightning? Next we will discuss together!
The principle of "recruiting" of household appliances
Spring and summer seasons are the high incidence of thunderstorms. According to relevant home appliance repair personnel, the electrical appliances sent for repair during the spring and summer months are mostly due to lightning strikes. In particular, during the summer, basically every time a mine is hit, a group of mines is sent. In general, lightning is divided into direct lightning and induced lightning. The main reason that the lightning season affects the safety of household appliances is caused by the intrusion of induced lightning.
A friend will ask: "Where are the ways in which inductive lightning is used to invade?" In fact, for the average family, there are four ways to invade lightning, namely, power lines, telephone lines, and television antennas (wireless and wired All included), house exterior or pillars. Among them, the first three ways are all connected directly to home appliances. Therefore, when strong lightning currents invade these circuits, it will cause serious damage to the home appliances. Therefore, in thunderstorms, cutting off the electrical contact with the outside world, unplug the power plug, or can play a role in lightning protection.
However, it is often easy for us to overlook the fourth approach to house wall or pillar lightning that invades home appliances. When the house we live in encounters direct or side-by-side thunder, strong lightning currents flow down the walls or pillars of the house, and in the process, powerful currents generate electric and magnetic fields in the surrounding space. If you are too close, you may be affected and cause different degrees of damage.
Since thunder and lightning can bring a big security risk to home appliances, then we must protect our home appliances. Let us know which home appliances are easily struck by lightning and how we should pay attention to lightning weather.
How to protect household appliances from lightning?
TV: thunder and rain first close the window
With regard to how the television sets are protected from lightning, some users believe that lightning rods can be installed on television signal cables to prevent lightning strikes on televisions. However, the installation of lightning rod editorial advice or ask relevant professionals to install, after all, if the lightning rod is not scientific enough, the lightning rod is no longer "avoidance" but "recruitment", and once a lightning strike, hundreds of thousands of volt lightning It will be introduced into the TV through the signal line, which is harmful and unprofitable.
Therefore, the simplest and most effective lightning protection method for TVs is to position the TV as far as possible from the windows and maintain a distance of about 10 cm from the wall. When it is raining and thundering, first close the window, because the window is an important way of lightning invasion, then quickly unplug the TV power plug, and pull out the signal cable connection, so that you can better protect the TV from lightning damage.
Computers: Not only plugs need to be pulled out, cable must be pulled out
The life of a computer that has not been damaged by lightning is not a complete computer career. As we all know, the computer is a highly integrated high-tech electrical appliance. Once the semiconductor integrated circuit is punctured by lightning, it loses its original polarity and the integrated circuit is damaged. Therefore, in thunderstorms, turn off the computer and unplug it.
However, it is still not enough to just pull out the plug. I remember that once I edited it, I did not unplug the network cable during the thunderstorm. Thunderbolt directly burned the router and network card. Therefore, in addition to unplugging the plug, the cable plug must be unplugged. In addition, nowadays, there is also an electric socket with a lightning protection function for the lightning damage to the electrical appliances.
Air conditioning: stop using it in thunderstorms
Like the cable signal line of television, in the thunderstorm weather, the outdoor unit of the air conditioner is also an easy "recruiting" guy. In air-conditioning lightning protection, we must consider several factors: First, the air-conditioning outdoor unit should be considered to be connected with the ground when installing, and the compressor should be welded with the structural column of the floor body or the down-lead. In the general high-rise buildings, the windows have been equipped with pressure equalizing ring taps and can also be welded nearby to prevent direct lightning strikes; secondly, indoor air-conditioning hosts should be shielded to prevent lightning currents from intruding. Of course, for the sake of safety, it is recommended that you turn off the air conditioner and cut off the power supply as much as possible during a thunderstorm.
Washing machine: Avoid connecting with water pipes
Similar to the computer, the circuit board of the washing machine is a module-integrated microelectronic circuit board. The highly integrated circuit board is also poor in lightning resistance. Therefore, the washing machine circuit board is also very vulnerable to lightning strikes. In general, we all like to connect the washing machine to the water pipe. Therefore, if the machine unfortunately suffers a lightning strike and causes a short circuit in the circuit board, causing leakage of the washing machine, it will greatly endanger the safety of the user. Therefore, the user should pay attention to checking the roof of the building. Whether the metal pipe has been connected with the lightning protection strip, it is better to stop using the washing machine and remove the power socket when it is raining and it is better not to connect the washing machine with the water pipe when not in use.
Summary: For electrical appliances, lightning has a lot of power, so many people report a fear of lightning. But as long as we do lightning protection measures, lightning damage to home appliances is still very far away. Some of the above mentioned lightning protection techniques for electric appliances are hopeful for everyone.
The principle of "recruiting" of household appliances
Spring and summer seasons are the high incidence of thunderstorms. According to relevant home appliance repair personnel, the electrical appliances sent for repair during the spring and summer months are mostly due to lightning strikes. In particular, during the summer, basically every time a mine is hit, a group of mines is sent. In general, lightning is divided into direct lightning and induced lightning. The main reason that the lightning season affects the safety of household appliances is caused by the intrusion of induced lightning.
A friend will ask: "Where are the ways in which inductive lightning is used to invade?" In fact, for the average family, there are four ways to invade lightning, namely, power lines, telephone lines, and television antennas (wireless and wired All included), house exterior or pillars. Among them, the first three ways are all connected directly to home appliances. Therefore, when strong lightning currents invade these circuits, it will cause serious damage to the home appliances. Therefore, in thunderstorms, cutting off the electrical contact with the outside world, unplug the power plug, or can play a role in lightning protection.
However, it is often easy for us to overlook the fourth approach to house wall or pillar lightning that invades home appliances. When the house we live in encounters direct or side-by-side thunder, strong lightning currents flow down the walls or pillars of the house, and in the process, powerful currents generate electric and magnetic fields in the surrounding space. If you are too close, you may be affected and cause different degrees of damage.
Since thunder and lightning can bring a big security risk to home appliances, then we must protect our home appliances. Let us know which home appliances are easily struck by lightning and how we should pay attention to lightning weather.
How to protect household appliances from lightning?
TV: thunder and rain first close the window
With regard to how the television sets are protected from lightning, some users believe that lightning rods can be installed on television signal cables to prevent lightning strikes on televisions. However, the installation of lightning rod editorial advice or ask relevant professionals to install, after all, if the lightning rod is not scientific enough, the lightning rod is no longer "avoidance" but "recruitment", and once a lightning strike, hundreds of thousands of volt lightning It will be introduced into the TV through the signal line, which is harmful and unprofitable.
Therefore, the simplest and most effective lightning protection method for TVs is to position the TV as far as possible from the windows and maintain a distance of about 10 cm from the wall. When it is raining and thundering, first close the window, because the window is an important way of lightning invasion, then quickly unplug the TV power plug, and pull out the signal cable connection, so that you can better protect the TV from lightning damage.
Computers: Not only plugs need to be pulled out, cable must be pulled out
The life of a computer that has not been damaged by lightning is not a complete computer career. As we all know, the computer is a highly integrated high-tech electrical appliance. Once the semiconductor integrated circuit is punctured by lightning, it loses its original polarity and the integrated circuit is damaged. Therefore, in thunderstorms, turn off the computer and unplug it.
Lightning protection socket
However, it is still not enough to just pull out the plug. I remember that once I edited it, I did not unplug the network cable during the thunderstorm. Thunderbolt directly burned the router and network card. Therefore, in addition to unplugging the plug, the cable plug must be unplugged. In addition, nowadays, there is also an electric socket with a lightning protection function for the lightning damage to the electrical appliances.
Air conditioning: stop using it in thunderstorms
Like the cable signal line of television, in the thunderstorm weather, the outdoor unit of the air conditioner is also an easy "recruiting" guy. In air-conditioning lightning protection, we must consider several factors: First, the air-conditioning outdoor unit should be considered to be connected with the ground when installing, and the compressor should be welded with the structural column of the floor body or the down-lead. In the general high-rise buildings, the windows have been equipped with pressure equalizing ring taps and can also be welded nearby to prevent direct lightning strikes; secondly, indoor air-conditioning hosts should be shielded to prevent lightning currents from intruding. Of course, for the sake of safety, it is recommended that you turn off the air conditioner and cut off the power supply as much as possible during a thunderstorm.
Washing machine: Avoid connecting with water pipes
Similar to the computer, the circuit board of the washing machine is a module-integrated microelectronic circuit board. The highly integrated circuit board is also poor in lightning resistance. Therefore, the washing machine circuit board is also very vulnerable to lightning strikes. In general, we all like to connect the washing machine to the water pipe. Therefore, if the machine unfortunately suffers a lightning strike and causes a short circuit in the circuit board, causing leakage of the washing machine, it will greatly endanger the safety of the user. Therefore, the user should pay attention to checking the roof of the building. Whether the metal pipe has been connected with the lightning protection strip, it is better to stop using the washing machine and remove the power socket when it is raining and it is better not to connect the washing machine with the water pipe when not in use.
Summary: For electrical appliances, lightning has a lot of power, so many people report a fear of lightning. But as long as we do lightning protection measures, lightning damage to home appliances is still very far away. Some of the above mentioned lightning protection techniques for electric appliances are hopeful for everyone.
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