Drainage device for refrigeration and freezing equipment

Abstract

A drainage device for a refrigeration or freezing equipment includes: a water collection tank having four side walls and a bottom plate; a housing detachably disposed in the water collection tank and located within the water collection tank; a control unit; a drainage pump; and a water level detection unit. The housing is detachably disposed on two adjacent side walls of the water collection tank via two mounting portions. The housing has a surrounding wall with two sides abutting against the two side walls of the water collection tank, partially enclosing an internal space within the water collection tank. The bottom of the surrounding wall has a plurality of recessed perforations extending upwards, forming a plurality of channels for water to pass through with the bottom plate, allowing water from the water collection tank to enter the internal space through the plurality of perforations.

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