Ed explosion proof platform lamp
About the electrostatic protection of high-power LED products the whole process of electrostatic induction of LED products and components is safely protected, dissipated, welded and welded. These characteristics are very dangerous and application users must pay attention to them. Electrostatic induction safety protection LEDs of high-power LED products are semiconductor components, which are sensitive to electrostatic induction. White, green, blue and blue violet LEDs may prevent electrostatic induction and eliminate static electricity.
1、 Electrostatic generation of LED explosion-proof platform lamp:
① Friction: in daily life, when two non-conforming objects contact and then separate, electrostatic induction will occur. The most common form of electrostatic induction is process friction to generate electricity. The better the dielectric strength of the raw material, the easier it is to generate electricity by friction. In addition, two objects with incompatible chemical substances will disperse after all contact, which will also cause electrostatic induction.
② Magnetic induction: for conductive raw materials, because electronic devices may flow freely on their surface, if they are placed in an electrostatic field, because the opposite sides attract and repel, positive air and negative ions will migrate to their surface. A positive charge occurs.
③ Transmission: for conductive raw materials, because electronic devices may flow freely on their surfaces, if they come into contact with inductively charged objects, charge transmission will occur.
2、 Damage caused by electrostatic induction to LED explosion-proof platform lamp:
① The heat generated by the instantaneous electrostatic field or current will damage the LED. The main decomposition is that the leakage current increases rapidly and can work, but the chromaticity decreases and the service life is damaged.
② The cable sheath of LED is damaged due to excessive electrostatic field or current, which makes the components unable to work (completely damaged). It is mainly decomposed into dead lights.
3、 Led explosion-proof platform lamp electrostatic induction safety protection and cleaning countermeasures:
1. All workers in direct contact with LEDs in all processes (manufacturing, testing, packaging, etc.) must avoid and eliminate static electricity. Excellent grounding device.
2. The operation platform is an anti-static operation platform, and the grounding device of mechanical equipment manufactured is excellent.
3. Operators shall wear anti-static clothes, anti-static wrist bands, rubber gloves or foot rings.
4. Using an ion fan.
5. Countermeasures for grounding devices of electric welding and electric ferrochromium.
6. Anti static materials are used for packaging.
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