How lightning rods play the role of lightning protection

Installing a lightning rod is an effective way to avoid lightning strikes. A metal rod is erected at the highest point of the house, and a copper wire is connected to the lower end of the rod, and a metal plate is attached to the end of the copper wire and buried in a damp place deep underground. The upper end of the rod must be a pointed end or bifurcated into several pointed ends.

With such a device, when there are charged clouds in the sky. The tip of the lightning rod is concentrated with a different charge due to electrostatic induction, and the tip is discharged, which is neutralized with the electric phase in the cloud to avoid the occurrence of intense lightning, which is one aspect of lightning rod can avoid lightning. But this effect is quite slow, and if the accumulation of electricity in the cloud is very fast, or if a cloud with a large charge suddenly flies in, sometimes it is too late to neutralize it in the manner described above, so there is a strong discharge, and the lightning will still occur.

However, because the lightning rod is higher than the surrounding objects, its tip is concentrated with the charge of the electricity in the cloud, if the lightning occurs between the cloud and the ground object, the discharge current mainly flows into the earth through the lightning rod, so it will not hit the house or nearby people, but will only hit the lightning rod. It can be seen that the tip discharge effect of the lightning rod will reduce the possibility of lightning between ground objects and clouds. When it was inevitable, it itself was hit by thunder, and the house and people were safe.

In fact, it is a grounding thing that brings lightning to the earth and prevents damage to buildings.

It seems to be directly connected to the main reinforcement of the column, right?

It is a device used to protect buildings from lightning strikes. A metal rod is installed on the top of a tall building, connected with a metal wire and a metal plate buried in the ground, and the tip of the metal rod is used to discharge electricity to gradually neutralize the electricity carried by the clouds and the electricity on the ground.

How does a lightning rod protect against lightning and how does it work?

A lightning rod, also known as a lightning rod, is a device used to protect buildings, tall trees, etc. from lightning strikes. A flash receiver is installed at the top of the protected object and connected to the underground drainage network with a wire that meets the specifications.

Tip discharge.

Since the electrostatic charge is divided in the outermost layer of the conductor and the more the curvature is greater, the lightning rod, many of the tips, will cause the thick ground wire to be connected to the underneath the easy discharge in those places.

So he took the initiative to lure Ray away.

1. Generally speaking, lightning does not directly hit the lightning rod, and the lightning rod itself has the danger of melting and ** if it is struck by lightning. Lightning rods have a certain protective effect.

2. Lightning rod, also known as lightning rod and lightning rod, is a device used to protect buildings and tall trees from lightning strikes.

3. The lightning rod is composed of three parts: a lightning receiver, a grounding lead and a grounding body. The flash receiver is usually made of round steel or steel pipe with a diameter of 15 20mm and a length of 1 2m, which is fixed at the upper end of the pillar and connected with the grounding body through the grounding lead.

4. When the thundercloud ground discharge channel develops to the ground, because the tip of the lightning rod protrudes from the ground and has good grounding, the electric field strength near the tip of the needle increases, accumulates the charge of opposite polarity, and guides the discharge. This prevents buildings or instruments from accumulating too much charge and being struck by lightning.