High current and low voltage technology of electrostatic powder coating device

In order to complete the ideal electrostatic powder coating device, the high current and low voltage is the world's first corona current carrying mode Pulse mode is that the corona electrode at the front of the spray gun repeatedly applies a sharp and short pulse like high voltage, so as to generate a strong pulse corona discharge and make the powder highly charged On the other hand, the intermittent discharge mode will release the low current carrier containing a few free radical ions and achieve the effect of beautiful coating When the high pulse voltage is applied to the corona discharge electrode at the front of the spray gun, the space charge effect will be eased and then negative ions will be generated The coating will adhere to negative ions during the process of passing through the negative ion space and generate electricity The space charge effect is that the electrons released from the corona discharge electrode (the electrons will ionize the carbonaceous acid gas, oxygen, ozone and nitrogen oxide in the air), the low-speed electrons will stay at the front end of the corona discharge electrode, so as to control the release of negative ions Pulse power can buffer this effect By applying a pulse like high voltage, the negative electric boundary can be reduced, so that the electrons can be actively released again Compared with the old way of carrying electricity, the way of applying pulse like high voltage can weaken the electric amplitude strength between the coated objects, so the penetration of the concave part will be improved In addition, the pulse mode can also reduce the average corona current and effectively suppress the ionization phenomenon.