Hollow photovoltaic module with U-shaped groove

The utility model provides a hollow photovoltaic assembly with a U-shaped groove, and relates to the field of photovoltaic power generation assemblies, the hollow photovoltaic assembly with the U-shaped groove comprises a photovoltaic assembly body, and the left end and the right end of the photovoltaic assembly body are each provided with a U-shaped groove part; the hollow photovoltaic module with the U-shaped groove further comprises a pressing block and a spacing bar. The pressing block is of a T-shaped pressing block structure; the pressing block is arranged between the two photovoltaic assembly bodies, the extending ends of the left side and the right side of the pressing block extend into a U-shaped groove part between the two adjacent photovoltaic assembly bodies which are horizontally arranged in parallel, and the installation end located in the middle of the pressing block is connected with an installation notch in the front end of the aluminum alloy stand column through a connecting piece. The hollo