Principle of conductive fiber

The conductive fiber can quickly leak and disperse the generated static electricity, effectively preventing the local accumulation of static electricity. Conductive fibers also have corona discharge capability, which can release static electricity to the atmosphere. Corona discharge is a discharge phenomenon that occurs when the radius of curvature of the electrode surface is small, the electric field in the discharge space is not uniform, and the electric field near the electrode surface is relatively strong under atmospheric pressure or higher than atmospheric pressure. There is a luminous corona layer near the electrode. The electric field in the layer is very strong, which produces strong ionization and excitation. This kind of corona discharge is a very weak discharge phenomenon, and it is not dangerous. Therefore, when the conductive fiber is not grounded, the method of corona discharge can also be used to eliminate static electricity. If the conductive fiber product touches the ground, while the corona discharges, static electricity will also leak into the ground through the conductive method, and its charge will be even smaller. (1) The mechanism of eliminating static electricity of grounded conductive fiber. When the human body wears a fabric containing conductive fibers and touches the ground, the mechanism for eliminating static electricity is to induce electric charges to accumulate around the conductive fibers while corona discharges, and then leak into the ground. The specific process is that when the conductive fiber is close to the charged body, an electric field is formed between the charged body and the charged fiber, especially the electric line of force is converged around the conductive fiber to form a local ion activation area. In the air around the conductive fiber, due to the breakdown of the insulation, the corona discharge generates positive and negative ions. The negative ions move to the charged body and neutralize, and the positive ions leak to the ground through the conductive fiber. (2) Non-grounded conductive fiber eliminates static electricity mechanism. When the conductive fiber is not grounded, the corona discharge method is used to eliminate static electricity. The steps to eliminate static electricity are: ① The charge in the fabric (charged body) gathers to the conductive fiber, and the conductive fiber induces a charge opposite to that of the fabric; ②A strong electric field is induced near the conductive fiber, and the surrounding air is ionized by the electric field. This is the so-called corona discharge process; ③Corona discharge produces positive and negative ions, and the ions that are opposite to the charge of the fabric move to the fabric, neutralize the charge of the fabric, thereby eliminating static electricity