Wire fixer and photovoltaic module

The utility model discloses a wire fixing device and a photovoltaic assembly, and the wire fixing device comprises a pedestal, a first buckle, a second buckle, a first blocking part, and a second blocking part. The base is provided with a first face, and the first face is provided with a first side and a second side opposite to the first side. The first buckle is provided with a first fixed end and a first free end, the first buckle is arranged on the first face in an arch shape, the first fixed end is fixed to the first side, and the first free end is located above the second side; the secondbuckle is provided with a second fixed end and a second free end, the second buckle is arranged on the first face in an arch shape, the second fixed end is fixed to the second side, and the second free end is located above the first side; the first blocking part is fixed on the second side and forms a first movable opening with the first free end; the second blocking part is fixed to the first side and forms a second mov