An air purification unit including an electric filter module through which air to be purified can flow and a first electrode and a second electrode between which the air to be purified flows and between which a first electric field can be generated by applying an electric high voltage provided by a power supply module, wherein the first electrode and the second electrode form an ionizer and wherein a mechanical filter module with a mechanical filter element is arranged downstream of the electric filter module in the direction of flow of the air to be purified, wherein a third electrode is provided in the mechanical filter element or in the mechanical filter module downstream of the mechanical filter element, and wherein a second electric field can be generated between the second electrode and the third electrode by applying an electric voltage.

An electrification apparatus is used for electric dust collection in an air conditioner for a vehicle. The electrification apparatus includes a frame, a conductive microfiber, and a conductive plate. The frame includes a main body frame in which the conductive plate is installed and an installation frame that defines a fixing groove in which the conductive microfiber is installed. The electrification apparatus further includes a rubber coupled with the conductive microfiber and inserted into the fixing groove.

An electrification apparatus perform a method for electric dust collection. The electrification apparatus includes a frame, a conductive microfiber, a conductive plate, and a ground connector disposed between the conductive microfiber and the conductive plate. The ground connector is configured to be insulated based on a high voltage being applied to the conductive microfiber and to be connected to a ground electrode based on the high voltage being blocked to the conductive microfiber.

An engine tail gas dust removing system has a tail gas dust removing system inlet, a tail gas dust removing system outlet, and a tail gas electric field device. The engine tail gas dust removing system has a good dust removal effect, and can efficiently remove particulate matters in engine tail gas.

A method for reducing dust removal electric field couplings includes the following steps: selecting a ratio between a dust collection area of a dust removal electric field anode and a discharge area of a dust removal electric field cathode to be 1.667:1-1680:1. A dust removal electric field anode and/or dust removal electric field cathode size is selected so that the number of electric field couplings is less than or equal to 3. The number of electric field couplings is reduced, electric field energy consumption is low, electric field coupling consumption for an aerosol, water mist, oil mist and loose smooth particulate matter is reduced, and electric field energy is saved.

An engine emission treatment system incudes at least one out of an air inlet dust removal system (101), a tail gas dust removal system (102), and a tail gas ozone purification system. The tail gas dust removal system (102) has an inlet of the tail gas dust removal system, an outlet of the tail gas dust removal system, and a tail gas electric field device (1021). The tail gas ozone purification system has a reaction field (202), used for mixing an ozone stream and a tail gas stream for reaction. The engine emission treatment system may effectively treat engine emissions, so as to make the engine emissions cleaner.

The application provides a dust collecting mechanism, a car air purifier and a fan, and relates to the technical field of air purification. The dust collecting mechanism includes a generator assembly including a generator holder, a generator plate and a generator filament, the generator plate and the generator filament being arranged in a spaced and staggered manner inside the generator holder; a collector assembly including a collector holder, a repeller plate and a collector plate, the repeller plate and the collector plate being arranged in a spaced and staggered manner inside the collector holder. The generator holder is detachably connected with the collector holder, and the collector plate is connected and conducted with the generator filament through magnetic adsorption, so that they can be connected to the power supply together, thereby enabling wireless conduction between the collector assembly and the generator assembly, simplifying the circuit structure.

The present invention relates to an electrification apparatus for electric dust collection and an air conditioner for a vehicle including the same. According to the teachings of the present invention, there is provided an electrification apparatus for electric dust collection including: a frame which forms an outer appearance; conductive microfibers which are installed in the frame and generates ions in the air; and conductive plates which are installed in the frame and generate a potential difference with the conductive microfibers. The conductive plates are disposed so as to surround the conductive microfibers to form an electrification space in which an electric field is generated. At this time, the electrification space is a rectangular columnar shaped space.

A belt-type electric dust collection device capable of automatic cleaning includes a dust collection belt including a plurality of flat parts spaced apart at a predetermined distance, and a plurality of first bent parts and second bent parts formed at both ends of the plurality of flat parts. A plurality of first rollers are provided in a line at the plurality of first bent parts of the dust collection belt, to support and guide the dust collection belt. A plurality of second rollers are provided in a line at the plurality of second bent parts of the dust collection belt. A plurality of electrode plates are provided between the plurality of flat parts of the dust collection belt. A belt cleaning part is provided at one side of the dust collection belt, and a driving part is provided to move the dust collection belt.

A belt-type electric dust collection device capable of automatic cleaning includes a dust collection belt including a plurality of flat parts spaced apart at a predetermined distance, and a plurality of first bent parts and second bent parts formed at both ends of the plurality of flat parts. A plurality of first rollers are provided in a line at the plurality of first bent parts of the dust collection belt, to support and guide the dust collection belt. A plurality of second rollers are provided in a line at the plurality of second bent parts of the dust collection belt. A plurality of electrode plates are provided between the plurality of flat parts of the dust collection belt. A belt cleaning part is provided at one side of the dust collection belt, and a driving part is provided to move the dust collection belt.