Photovoltaic power station fault alarm system

The utility model discloses a photovoltaic power station fault alarm system which comprises a supporting frame, a solar cell panel is fixedly installed at the top end of the supporting frame, a connecting device is inserted into the bottom end of the solar cell panel in a sliding mode, and triggering devices are fixedly installed on the opposite inner sides of the supporting frame. The covering device is slidably mounted at the top end of the triggering device, the connecting device comprises a first clamping ring, a second clamping ring, an L-shaped extension rod, a connecting plug, an L-shaped pull rod and an H-shaped sliding key, the first clamping ring and the second clamping ring are slidably mounted at the top of the front end of the connecting plug, the L-shaped extension rod is fixedly mounted at the rear end of the second clamping ring, and the L-shaped pull rod is fixedly mounted at the rear end of the H-shaped sliding key. The H-shaped sliding key is fixedly installed at the end, away from the seco