Electrostatic spraying refers to a coating method that uses the principle of corona discharge to make the atomized paint negatively charged under the action of a high-voltage direct current electric field, and is adsorbed on the surface of a positively charged substrate to discharge. The electrostatic spraying equipment is composed of spray gun, spray cup and electrostatic spraying high voltage power supply. At present, electrostatic spraying equipment is generally used in the industry of metal products, such as automobiles, aluminum door cabinets, and large and small stainless steel parts.
Due to the different needs of electrostatic spraying customers, some customers need to build large-scale sealed electrostatic spraying machinery and equipment independently, and need to automatically control the spray gun, effectively use and recycle the spraying powder, and reduce the pollution from industrial waste. Due to the construction of automation, industrial computers are required to control and collect data on spray guns and machinery. The electrostatic spraying equipment faces the electrostatic threat from the workshop in the following three points:
1. If the spraying workshop is not well sealed, there will be ultra-high voltage electrostatic dust;
Second, if the spraying workshop is sealed, it will also face the electrostatic return from the lines in the workshop.
3. When the staff performs man-machine operations on the computer, the human body may also be charged with a certain amount of static electricity.
Therefore, the production automation of the electrostatic spraying equipment industry must consider the above three threats, so as to take relevant protective measures.
Anrecson 10-inch industrial control all-in-one machine is an industrial computer used in the electrostatic spraying industry. It has 2 USB ports, 4 in and 4 out GPIO ports to connect to the customer’s spray gun. GPIO has its own electrical isolation chip to prevent the voltage backflow of the electrostatic gun.
In addition, with a 10-inch touch screen, the resistive design is convenient for users to operate the spraying machinery and equipment with gloves. In terms of installation, it supports embedded installation, and the back uses a sealed waterproof tape, which can effectively control the charged dust from entering the inside of the computer.
