Stack type EL test equipment

The invention relates to the technical field of photovoltaic cell detection, in particular to stack type EL test equipment. A stack type EL testing device comprises an EL testing mechanism and a conveying mechanism which are arranged in sequence, the EL testing mechanism comprises a frame, a plurality of testing assemblies arranged on the frame in an overlapped mode and a transferring assembly arranged on the frame, and the testing assemblies are used for conducting EL testing on photovoltaic cells. The transferring assembly is used for bearing the photovoltaic cell pieces of the previous station and transferring the photovoltaic cell pieces to the conveying mechanism, and the conveying mechanism comprises a plurality of conveying assemblies. And the plurality of conveying assemblies are alternately used for receiving the photovoltaic cells transferred by the transfer assembly and conveying the photovoltaic cells to different test assemblies or conveying the photovoltaic cells subjected to EL test on the test