| 摘要 |
FIELD: process engineering.SUBSTANCE: invention relates to bipolar ionisation of air. In compliance with this method, air ionisation is controlled to limit positive ion formation to get preset ratio between positive and negative ions. AC voltage feed is switched on from power supply to HV step-up control transformer. Said transformer is connected with varistor (6) connected, in its turn, in between first resistor (7) supplying the first electrode (3) and second varistor (8) supplying the second electrode (4). Said first and second electrodes are connected behind the stage composed by appropriate capacitors (3a, 3b) and diodes (4a, 4b) connected for further voltage increase and rectification to appropriate constant voltage. Preset relationship between positive and negative ions is ensured by emission at rectified and appropriate constant voltage and by adjustment of varistors (6, 8).EFFECT: generation of positive and negative ions at preset harmless ratio.18 cl, 10 dwg |
