Electrostatic purifying device and kitchen ventilator with same

Abstract

An electrostatic purifying device comprises an electrode wireframe, positive plates, negative plates and an outer cover. The electrode wireframe is provided with an electrode wire, and the positive plates and the negative plates are installed in the outer cover. The electrostatic purifying device is characterized in that a charge region is formed by an area, close to an air inlet, in the outer cover, and the lower end parts of the negative plates and the electrode wire are parallel to each other and are distributed in the charge region in a spaced manner; and a current collection region is formed by an area, close to an air outlet, in the outer cover, the upper end parts of the negative plates and the positive plates are parallel to each other and are distributed in the current collectionregion in a spaced manner, and the electrode wire is connected with the positive plates. The electrostatic purifying device has the advantages that the negative plates at the charge region and the negative plates at a dust collection region are of an integrated structure, the structure is very simple, the whole electrostatic purifying device is very convenient to assemble, in addition, after the electrostatic purifying device is installed at the front end of a draught fan system, cooking fume discharging can be reduced, cooking fume can be effectively purified before entering the draught fan system, and therefore lasting cleanliness of a draught fan impeller is advantageously kept, and after-sale maintaining is very convenient.

Description

technical field [0001] The invention relates to a range hood, in particular to an electrostatic purification device and a range hood equipped with the device. Background technique [0002] At present, in order to avoid oil fumes from polluting the environment, people usually install special oil fume purification devices on the flue to eliminate oil fume pollutants. Existing oil fume purification devices have various structures, such as filter membrane type, water curtain type, centrifugal type and the like. Among them, although the filter membrane type purification device can effectively remove the oil fume, it must be replaced frequently because it is easy to block, which is troublesome to use. The water curtain type purification device uses water to remove oil fume, which not only easily causes secondary pollution, but also wastes a lot of water, and the use cost is high. The centrifugal purification device not only produces a lot of noise when it works, but also has a r...

AI Technical Summary

Problems solved by technology

Although the electrostatic purification device has the advantages of low energy consumption, low noise, and no secondary pollution, it adopts a simple positive and negative plate staggered structure, the positive and negative plates are not staggered from each other, and the positive and negative plates are installed on the On the same support frame, when oil stains are accumulated on the support frame, the surface is prone to creepage, and the current discharges on the surface, resulting in the reduction of moving charged particles between the plates, so that the positive and negative plates are easily conducted, and then the electrostatic purification device fail

[0004] In addition, in order to purify the oil fume in the oil fume passage, the prior art has disclosed a range hood in which an electrostatic purification device is installed in the oil suction passage. However, the existing electrostatic purification devices are all installed at the rear end of the fan system , although it can also effectively purify the oil fume, but because it is located at the rear end of the fan system, the oil fume cannot be purified before it enters the fan system, so it cannot clean the impeller, and cannot keep the inside of the hood clean and prolong the cleaning of the range hood maintenance time requirements

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