Cleaning device for reflective surface of disc light-condenser

A cleaning device for a reflective surface of a disc light-condenser, comprising a low pressure air transfer tube (1) which is provided on the reflective surface of the disc light-condenser, driven by a pneumatic motor (13) and capable of rotating around the central axis of the reflective surface (27) of the disc light-condenser, and a high pressure water pipe (3) provided in parallel with the low pressure air transfer tube (1); the lower end of the low pressure air transfer tube (1) is connected with a plurality of air flow nozzles; the lower end of the high pressure water pipe (3) is provided with a plurality of high pressure water nozzles (26) via a nozzle mounting shaft (2); during cleaning, the low pressure air transfer pipe (1) and the high pressure water pipe (3) are connected to a mobile cleaning station (23) of a solar power generating system via a fluid connecting pipe and a signal control line; and when not in use, the low pressure air transfer tube (1) and the high pressure water pipe (3) are disconnected from the mobile cleaning station (23). The cleaning device can perform automatic cleaning of the reflective surface of the light-condenser.