Outdoor lightning protection knowledge
What are the outdoor lightning protection measures?
Answer: Outdoor lightning protection
When encountering a thunderstorm outdoors, you should quickly go to a dry house nearby to take shelter from the rain. If you can't find a house in the mountains, you can hide in the cave.
1, don't stay on the top of the mountain, ridge or buildings.
2. Don't stay near iron gates, iron fences, metal clotheslines, overhead metal bodies and railway tracks.
3, should quickly hide in buildings (structures) with lightning protection devices, or all kinds of vehicles and ships with metal shells. If you don't meet the above conditions, you should immediately squat down with your feet together, bend your head forward, and lower your height to reduce the harm caused by stepping voltage. Because lightning will gradually release energy around along the ground when it flows through the lightning landing point. At this time, due to the difference of potential difference, a certain voltage may be generated between the front foot and the back foot of the walking person.
4. Don't shelter from the rain under trees, telephone poles, billboards and various iron towers. Because at this time, the wet branches of the tree are equivalent to a lightning device. If you touch trees, telephone poles and all kinds of iron towers with your hands, it's like holding a lightning arrester to take off the conductor, and you are likely to be struck by lightning.
5. Don't stay near the water (rivers, lakes, oceans, ponds, canals, etc.). ), swimming pools and depressions, go to the dry house nearby for lightning protection.
2. How to prevent lightning strike outdoors?
Lightning is a phenomenon of sound, light and electricity in the atmosphere, which mainly reflects the discharge phenomenon in and between thunderstorm clouds, or between thunderstorm clouds and the earth.
Lightning disasters in China are mainly concentrated in summer (June-August), while 6? August is also a busy season in the countryside. Everyone should be busy working in the fields and often be outside. At this time, there are more lightning accidents, accounting for more than 80%.
When we are working or playing outside, we should take precautions to avoid disasters when we encounter lightning weather. We should immediately look for places to avoid lightning, such as houses with lightning rods, steel frames or reinforced concrete, but be careful not to be near any part of lightning protection devices, let alone hide in lonely huts and sentry boxes in open areas.
If you can't find a suitable place for a while, you can squat down, put your feet together, put your knees in your hands, try to lower your body as much as possible, and pay attention to reducing the contact area between your body and the ground. If you can put on a waterproof raincoat immediately, the lightning protection effect will be better.
When there is thunder and lightning, people should not work in the fields, nor should they carry shovels and other farm tools on their shoulders on their way home. When there are many people outside, keep a distance of several meters and don't crowd together.
When you see lightning outdoors and hear thunder within a few seconds, it means that you are in a dangerous environment near a thunderstorm. At this time, everyone should stop walking, put their feet together and squat down immediately. If there are ants crawling on the head, neck and hands when thunder and lightning strike, and the hair stands on end, it means that lightning is going to happen. Everyone should get down on the ground quickly to reduce the risk of being struck by lightning, and take off the metal ornaments, hairpins and necklaces they are wearing.
Don't drive a motorcycle or ride a bike, let alone drive a motorcycle or ride a bike in thunderstorm weather, which is likely to cause danger. If everyone is swimming or in a boat during a thunderstorm, they should go ashore immediately. Even on a big ship, they have to hide in the cabin and turn off their mobile phones.
3. What are the outdoor lightning protection methods?
1, don't stay on the platform of high-rise buildings in thunderstorm weather, and don't enter isolated shacks, sentry boxes, etc. In the open air.
? 2. Stay away from the exposed water pipes, gas pipes and other metal objects and power equipment in the building. ? 3. It is not advisable to hide under the big tree during a thunderstorm. If necessary, you must keep a distance of 3 meters from your torso, squat down and put your legs together.
? 4. If there are ants crawling on your head, neck and hands when thunder and lightning strike, and your hair stands on end, it means that lightning is coming. Get down on the ground quickly to reduce the risk of being struck by lightning, and take away the metal ornaments, hairpins and necklaces you wear. ? 5. If you encounter a thunderstorm outdoors and have no time to leave tall objects, you should immediately find some dry insulation and sit on it with your feet crossed. Don't put your feet on the ground outside insulation, because water can conduct electricity.
? 6. When avoiding thunderstorm outdoors, be careful not to hold the ground with your hands. At the same time, put your hands on your knees, keep your chest close to your knees, and keep your head as low as possible, because your head is more vulnerable to lightning than other parts of your body. ? 7. When you hear thunder within a few seconds after seeing lightning outdoors, it means that you are in a dangerous environment near a thunderstorm. At this time, you should stop walking, put your feet together and squat down immediately. Don't get involved with people. It is best to use plastic rain gear and raincoat.
? 8. In thunderstorm weather, it is not advisable to open an umbrella or hold high badminton rackets, golf clubs and hoes in the wild. Not suitable for outdoor ball games. It is very dangerous to play golf and football in thunderstorm weather. It is not advisable to stay on the water surface or water edge; It is not advisable to wash clothes, fish, swim or play by the river. ? 9. In thunderstorm weather, it is not advisable to drive a motorcycle, ride a bicycle or run fast in the rain, because the greater the stride of the body, the greater the voltage, and the easier it is to hurt people.
? 10. If you see the high-voltage line being broken down by lightning outdoors, you should be vigilant at this time because there is a step voltage near the breakpoint of the high-voltage line. People nearby must not run at this time, but should jump off the scene with their feet together.
4. What are the top ten outdoor lightning protection methods that must be known?
Ten outdoor lightning protection methods that must be known: 1. Don't stay on high-rise platforms in thunderstorm weather, and don't enter isolated shacks, sentry boxes, etc. In the open air.
2. Stay away from the exposed water pipes, gas pipes and other metal objects and power equipment in the building. 3. It is not advisable to hide under the big tree during a thunderstorm. If necessary, you must keep a distance of 3 meters from your torso, squat down and put your legs together.
4. If there are ants crawling on your head, neck and hands when thunder and lightning strike, and your hair stands on end, it means that lightning is coming. Get down on the ground quickly to reduce the risk of being struck by lightning, and take away the metal ornaments, hairpins and necklaces you wear. 5. If you encounter a thunderstorm outdoors and have no time to leave tall objects, you should immediately find some dry insulation and sit on it with your feet crossed. Don't put your feet on the ground outside insulation, because water can conduct electricity.
6. When avoiding thunderstorm outdoors, be careful not to hold the ground with your hands. At the same time, put your hands on your knees, keep your chest close to your knees, and keep your head as low as possible, because your head is more vulnerable to lightning than other parts of your body. 7. When you hear thunder within a few seconds after seeing lightning outdoors, it means that you are in a dangerous environment near a thunderstorm. At this time, you should stop walking, put your feet together and squat down immediately. Don't get involved with people. It is best to use plastic rain gear and raincoat.
8. In thunderstorm weather, it is not advisable to open an umbrella or hold high badminton rackets, golf clubs and hoes in the wild. Not suitable for outdoor ball games. It is very dangerous to play golf and football in thunderstorm weather. It is not advisable to stay on the water surface or water edge; It is not advisable to wash clothes, fish, swim or play by the river. 9. In thunderstorm weather, it is not advisable to drive a motorcycle, ride a bicycle or run fast in the rain, because the greater the stride of the body, the greater the voltage, and the easier it is to hurt people.
10. If you see the high-voltage line being broken down by lightning outdoors, you should be vigilant at this time because there is a step voltage near the breakpoint of the high-voltage line. People nearby must not run at this time, but should jump off the scene with their feet together.
5. What are the outdoor lightning protection methods?
Outdoor lightning protection methods are as follows: (1) In thunderstorm weather, if you want to find a safe place to hide, you'd better hide in a building with good lightning protection performance or a vehicle with a complete metal compartment; (2) Stay away from telephone poles, flagpoles, iron towers, chimneys, haystacks, etc. Don't hide from the rain under the big tree; (3) Don't stay near rivers, lakes, seas, ponds and canals, let alone swim; (4) Don't stay in high-rise platforms, hilltops, garages, carports, sentry boxes, etc. (5) When there is nowhere to hide in the wild, put your feet together, put your knees in your hands, squat down and bow your head, reduce the height of your body as much as possible, reduce the contact area between your body and the ground, and reduce the damage caused by stepping voltage; (6) Don't play umbrellas with metal handles in the wild, don't carry metal objects such as badminton rackets and shovels on your shoulders, and temporarily throw away metal objects such as keys, watches and metal-rimmed glasses; (7) Don't ride a bike. If you ride a bike, you should leave as soon as possible to avoid being struck by lightning because of electricity. (8) It is best not to answer and call the mobile phone, because the electromagnetic wave of the mobile phone will cause lightning; (9) When struck by lightning on the way, never stick your head and hands out of the window.