Ask some anti-static methods
Static electricity is formed by high concentration due to continuous accumulation. If static electricity is released in time during its accumulation, it will not form a dangerous high voltage. Commonly used methods to discharge static electricity are: 1 increase the environmental humidity to make static electricity run through the humid air; 2 use wet ground or anti-static ground, and wear conductive anti-static shoes to make the static electricity on the human body run to the ground through the feet; 3 wear anti-static Clothes and shoes make static electricity difficult to produce; 4 before touching the device, first touch the grounded conductor, equipment or water pipe to remove static electricity from the body; 5 workbench does not use plastic table tops and pads that are easy to generate static electricity, most Use anti-static rubber sheet or metal plate with good grounding; 6 floor does not use carpet and floor which are too good for insulation and easy to generate static electricity, and use anti-static floor with conductive ability; 7 all equipment casings must be grounded; 8 The tools used for circuit iron and electric drill should be grounded; 9LD products must be packed with anti-static packaging and packaging bags. For laser diodes with pins, it is best to insert the pins into anti-static foam boards or use metal wires to laser. The entire electrode of the diode is connected to the housing; the simplest and most effective way is to wear an antistatic bracelet. 4, anti-static bracelet anti-static bracelet is divided into wireless bracelet and wired bracelet, wired bracelet effect is better than wireless bracelet, low cost, easy to make their own. Anti-static bracelet connection and homemade. The Φ2-3 copper wire can be bent into a bracelet-shaped bracelet, and a soft thin wire is attached to the bracelet. Connect the connecting wires to the ground wire, whether it is a finished product or a self-made anti-static bracelet. The ground wire is preferably piled on a wet ground with galvanized steel pipe. The buried depth is not less than 1.5 meters. It can also be connected to a well-conducting water pipe. However, some tap pipes are sealed with plastic tape at the connecting pipe, which is conductive. Not necessarily good, be sure to pay attention. In addition, since the anti-static bracelet is constantly moving, the activity point is easy to break, and it is difficult to find because of the plastic foreskin, so it should be checked from time to time.
There are many anti-static products, such as:
Anti-static clothes, shoes, hat, gloves, sleeves.
Anti-static plastic box, hollow board box, knife card, chair.
Anti-static mat, wrist strap, foot bowl, tweezers.
Anti-static component box, PCB turnover box, and turnover car.
Anti-static trolley, shelf, workbench, floor wax.
Anti-static shielding bag, mesh bag, moisture-proof bag.
Static electricity is a charge that is at rest. When the electric charge accumulates on an object or a surface, static electricity is formed, and the electric charge is divided into two types: positive electric quantity and negative electric quantity, that is to say, the electrostatic phenomenon is also divided into two types, namely, positive static electricity and negative static electricity.
Positive static electricity is formed when positive charges accumulate on an object, and negative static electricity is formed when negative charges are accumulated on an object, but whether it is positive or negative static, when a charged object contacts a zero potential object (grounded Charge transfer occurs when an object or an object with a potential difference is a common spark discharge phenomenon.
People often encounter this phenomenon in daily life: when you undress and sleep at night, you often hear the sound of squeaking in the dark, accompanied by blue light. When you meet and shake hands, your fingers will suddenly feel the acupuncture at your fingertips. The stinging is horrifying; when you comb your hair in the morning, the hair will often "float" and become more and more chaotic.
Hazards caused by electrostatic attraction (ESA):
(1) Electronics industry: Adsorption of dust, causing contamination of integrated circuits and semiconductor components, greatly reducing the yield.
(2) Film and plastic industry: film or film is not wound up; film, CD plastic disk is contaminated with dust, affecting quality.
(3) Paper-making printing industry: paper winding is not uniform, overprinting is not allowed, serious suction, even paper bonding, affecting production.
(4) Textile industry: causing damage to the roots, broken flowers, broken yarns and so on.
The harm of static electricity is obvious to all. Now more and more manufacturers have begun to implement various levels of anti-static measures and engineering.
However, it should be recognized that perfect and effective anti-static engineering should be based on the actual situation of different enterprises and different working objects, and develop corresponding countermeasures. Anti-static measures should be systematic and comprehensive. Otherwise, it may be half the effort and even cause destructive reaction.