Dust collection device of electrostatic-type air purifier

The invention relates to a dust collection device of an electrostatic-type air purifier. The dust collection device comprises an upper cover, a lower cover and clamping plates which are arranged between the upper cover and the lower cover and are provided with a plurality of slots, polarized electrodes are arranged in the dust collection device, a high-voltage generator is arranged on the inner side of the upper cover, an electric field module is correspondently arranged in each slot, each electric field module comprises a plurality of electric field positive pole pieces and electric field negative pole pieces, which are alternately arranged in parallel, each electric field positive pole piece is connected to a positive conductive plate, each electric field negative pole piece is connected to a negative conductive plate, and the distance between each electric field positive pole piece and the adjacent electric field negative pole piece is 3.0mm to 4.0mm; a high-voltage output end of the high-voltage generator