Expansion device and cleaning system

Abstract

An expansion device and a cleaning system are disclosed. The expansion device includes a housing which connected to a base station of a self-cleaning apparatus, and at least one accessory slot is formed in the housing; and accessories which are detachably arranged in the corresponding accessory slots and are intended to be replaced by a mechanical arm of the self-cleaning apparatus to achieve different functions. By arranging the accessory slots on the housing and detachably disposing the accessories in the corresponding accessory slots, the mechanical arm can replace different accessories as required, thereby realizing a variety of cleaning functions and enabling the device to adapt to different cleaning tasks.

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