Traditional light bulbs are pear-shaped, why not set them in other shapes?

Why does the light bulb have to be pear-shaped

Look at the shape of the pear carefully. One is big and the other is small. The small one is long-handled, and the big one is from Peng Da. It looks good hanging on a tree.

1 human inventions are all inspired by nature, so it is natural to hang high lights in the distance, such as pears.

2 things to be hung should be tied with iron wire, which is more suitable for hanging.

Why does one end of the light bulb have to be big? Look at the space occupied by tungsten wire in the bulb. Obviously, the tungsten wire is located in the center of the great circle, and its benefits can be imagined. Because tungsten does work because of its high resistivity when it passes through 220V alternating current, tungsten atoms will jump at high temperature. However, inert argon gas is injected into the evacuated bulb to prevent it from burning in an impurity-free environment, but the high temperature of about 4000 degrees Fahrenheit is very hot at close range, so scientists can easily put glass in it.

People always paint around the lamp or the sun. One end of the bulb is spherical, which also helps to refract light.

In order to enhance the brightness and durability, the light bulb must be completely evacuated during production, otherwise it will burn black and be scrapped when it is energized. When people buy light bulbs, salespeople should plug them in and turn them on normally.

One end of the light bulb is round, and it can still stand when standing. I threw the light bulb far away and it didn't explode several times. This is the physical effect that the circle bears the equilibrium pressure, and the glass products of this shape are not easy to break. For the lamp holder is the neck, which is limited by glass blowing products, it is necessary to introduce wire columns. The roots must be thick, and cylindrical glass can only be blown out in a big shape like a balloon! This is in line with the natural state, and there is still a lot of physical knowledge of light bulbs!

The traditional incandescent light bulb is pear-shaped because it is more convenient and easy to make in the manufacturing process, which is convenient for the placement of tungsten wire in the bulb and the effect of lighting is better. Whenever the light bulb is lit, the temperature of the filament will exceed 2500 degrees Celsius. Students who have studied chemistry know that tungsten will sublimate at high temperature and become small particles attached to the bulb wall. Over time, the light bulb will turn black, and naturally its lighting effect is not as good as before. So how to solve this problem? At this time, the clever scientist came up with a way to simply make the light bulb into the pear shape we see now. Because the airflow in the bulb is convective from top to bottom, when the airflow is convective, tungsten particles will flow out with the airflow and attach to the neck of the bulb, and there will be no black layer of dirt on the surface of the bulb, so the lighting effect will never be affected!

There are many styles of modern light bulbs. Because tungsten filament is no longer used to emit light, it is not limited by shape, mainly considering aesthetics and lighting effect.