Washing filter used for air conditioning unit

The utility model discloses a washing filter used for an air conditioning unit. The washing filter comprises a water pump, a water supply pipeline system, a water storing box arranged on the top and a bottom collecting plate. The water pump is used for conveying water in the bottom collecting plate to the water storing box on the top through the water supply pipeline system. The washing filter is characterized in that a metal net interlayer composite glass fiber board is arranged between the water storing box and the bottom collecting plate, water in the water storing box flows through the metal net interlayer composite glass fiber board to form an even water curtain, and particles in the air are dissolved in water through the water curtain and brought to the water collecting plate at the bottom. According to the washing filter used for the air conditioning unit, the self-cleaning function can be achieved, the filter is prevented from being replaced frequently, the disadvantageous current situation that the resistance loss and the energy consumption of the filter are increased along with the accumulation of operation time is avoided, environmental friendliness and energy conservation are achieved, and the washing filter is suitable for various central air conditioning equipment.