Ion sheds derivative efficiency H (ionic wind) ; - - generation of needle of the discharge inside ionic and derivative gross and unit time is ionic inside unit time of gross than;
Electrostatic counteract ability N (ionic wind) ; (> 250V/s) - - unit time can eliminate electrostatic voltage cost.
The main type of electrostatic disappear electric equipment has:
Electric equipment of inductive type disappear:
Form: Electrode of ground connection needle; Principle: Local high tension; Form: Single shot, much needle, brush, electrical wiring; Material: Fiber of the electric fiber cloth, dentate electric film or balata, charcoal that brush shape or metallic fiber; Characteristic: Force of electric energy of simple, passive, disappear is small, the object with applicable charge big density, action distance is short, 10 ～ 20mm. .
High-pressured disappear electric equipment:
Form: Needle of discharge of high-pressured source ＋ (much root) or discharge lever; Classification: Dc and labour frequency;
Shed the characteristic of disappear electric equipment continuously: Disappear electric power range of strong, action is big (150mm ～ 600mm) ; But short-circuit current is big, send unripe scintilla easily to discharge.
The characteristic of electric equipment of labour frequency disappear: Report of town report drive, convenient, bad news is low, action is apart from 25mm ～ 35mm, applied range is the widest; but need to if Qing Dynasty accumulates ash,often be safeguarded, change the needle of passivation.
Electric equipment of radio isotope disappear:
Form: ＋ of casing of screen of radiative source ＋ protects isotropy net;
Characteristic: Do not need power source, structure to install simple, Yi Wei to protect, do not give out heat and strike a light, but disappear electric power is poor, action is apart from 20 ～ 30mm.
Electric equipment of ionic wind disappear:
Form: Power source of dc high pressure (or radiative source) ＋ corona puts electric equipment ＋ to send wind the system;
Characteristic: Application is most, range of working space lasting effect is wide (can amount to 1m) , the bad news report of electric equipment is small; But the structure is complex, need to deserve to enrage a system; Environment (clean, dry 70 ％ , ) and safeguard (daily, fixed and temporarily) the demand is high. If pursue 2.9 it is a few ion disappear is electric.
Graph a few ion of 2.9 　 disappear electric equipment




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