Combined functional module of photovoltaic junction box

The utility model relates to a combined type function module of a photovoltaic junction box, which comprises a first conductive module and a second conductive module correspondingly connected with the first conductive module, the first conductive module comprises a plurality of positive and negative pole conductive sheet groups, and the adjacent positive and negative pole conductive sheet groups are electrically connected with PN junction chips through jumpers; each positive and negative electrode conducting strip group comprises a positive electrode conducting strip and a negative electrode conducting strip which are electrically connected through a jumper wire and a PN junction chip, and a longitudinal conducting block I and a longitudinal conducting block II are respectively arranged on one group of positive electrode conducting strip and negative electrode conducting strip; and the jumper wire and the PN junction chip which are connected with the positive and negative conducting strip groups are wrapped w