Combined photovoltaic junction box and junction box group thereof

The utility model relates to a combined photovoltaic junction box, which comprises a plurality of photovoltaic junction boxes, each photovoltaic junction box comprises a shell, an accommodating cavity and a cover body covering the upper part of the accommodating cavity are arranged in the shell, a conductive module is positioned and arranged in the accommodating cavity, a plurality of positioning support columns for positioning and supporting the conductive module are arranged in the accommodating cavity, and the positioning support columns are used for positioning and supporting the conductive module. The bottom of the conductive module is provided with a plurality of confluence through grooves used for installing bus bars, and the two ends of the shell are respectively provided with at least one wire locking groove. The utility model discloses a combined photovoltaic junction box and a junction box group thereof, which are convenient to combine and install and good in assembly stability. 本实用新型涉及一种组合式光伏接线盒，包