Electrostatic tube is a device that uses electrostatic principle to control the flow of electrons. It consists of an anode, a cathode and an accelerating voltage power supply. When a voltage is applied between the anode and the cathode, electrons are emitted from the cathode and are subjected to an accelerating voltage to form a beam current at the anode. Under the action of the electrostatic field, the electron beam is focused into a small electron beam, so the electrostatic tube is also called an electron tube.

The principle of electrostatic tube is based on two electron emission methods: thermal emission and cold cathode emission. Thermal emission refers to the emission of electrons by heating the cathode, while cold cathode emission refers to the emission of electrons from the cathode surface by an electrostatic field. Electrostatic tube is widely used in display, radar, communication, industrial control and other fields. Electrostatic tube is a kind of electronic component that I yearned for when I was a child. Every time I see the hornet's nest behind the TV, I always wonder how it makes the image appear on the screen. Later, I learned that this is the electrostatic tube.

However, my contact with the electrostatic tube was not pleasant. I was learning electronic handcraft at the time, and one of my tasks was to make a volume regulator. It took me a lot of effort to solder the circuit board and solder an electrostatic tube to the board. However, when I turned on the test, I found that the volume did not change. Only later did I know that there was a problem with the wiring of my line, which caused the electrostatic tube to fail to work. Although this attempt was unsuccessful, I am still full of admiration for the magical device of electrostatic tube, and I am also full of interest and desire to explore electronic technology. I believe that through continuous learning and practice, one day I can master the principle of electrostatic tube and make my own electronic equipment.

Electrostatic tube is a kind of equipment used for anti-static electricity. Special attention should be paid to the following points when using it: grounding is required. Be sure to be grounded before use, otherwise static electricity may not be effectively eliminated. Regular inspections are required. Due to the use of a long time will appear aging, so the need for regular inspection, timely replacement of the electrostatic tube has been aging. Need to be waterproof. Do not contact with water or humid environment, otherwise it will affect the use of electrostatic tube. Collisions need to be avoided. Easy to collide, once the collision may cause the electrostatic tube failure or damage.

In order to better protect the electrostatic tube, you can take the following tips: When in use, try to avoid collisions or falls. Check the use effect regularly and replace the aging electrostatic tube in time. The grounding wire should not be confused with the grounding wire of other electrical equipment, otherwise it may not be used normally. When not in use for a long time, consider using an electrostatic vacuum cleaner to clean the electrostatic tube. Through the above tips, can better protect the electrostatic tube, improve the use of electrostatic tube effect. Electrostatic tube is an effective tool for anti-static, and the price is more expensive, cherish the use of equipment, do the right way to use, is the key to ensure that the equipment is practical.

Every time you use the electrostatic tube, you must connect the grounding wire, do not put it in a wet place, to avoid sudden collision or fall, resulting in normal use. After use, regularly check the effect of the electrostatic tube, and replace the aging electrostatic tube in time. Taking good care of the electrostatic tube can not only ensure the effective use of the electrostatic tube, but also extend the service life of the electrostatic tube. I hope everyone can take the use of electrostatic tube seriously and cherish this effective anti-static equipment.