Self-cleaning device

The invention relates to a self-cleaning device which comprises a device main body, a driving module, a cleaning module and a sensing module, wherein the device main body comprises a chassis and an upper shell fixed on the chassis; the driving module is connected with the chassis and is used for driving the self-cleaning device to advance according to a preset line; the cleaning module is distributed in the device main body; the sensing module is assembled on a preset position of the upper shell and is used for acquiring the condition of barriers at the periphery of the self-cleaning device; the driving module, the cleaning module and the sensing module are respectively assembled on the device main body in a detachable way. All the function modules in the self-cleaning device provided by the invention are respectively mounted in accommodating space reserved on the device main body and can be independently detached from the device main body, so that the damaged function modules can be independently detached for conveniently repairing or replacing new function modules and the repairing efficiency of the self-cleaning device is greatly increased.