Plug-Together Photovoltaic Modules
A solar cell module adapted for direct intercoupling with another solar cell module. The solar cell module has a plurality of photovoltaic cells disposed within an integral enclosure, a plurality of bypass diodes coupled in shunt across a subset of the plurality of photovoltaic cells, and at least one electrical connector adapted for intercoupling with another solar cell module constituting the sole path for delivery of electrical power from all of the plurality of photovoltaic cells of the solar cell module. Stiffening members may be coupled to a backskin of the solar cell module for providing rigidity of the module with respect to deflection.
1 . A solar cell module adapted for direct intercoupling with another solar cell module, the solar cell module comprising:
a. a plurality of photovoltaic cells disposed within an integral enclosure;
b. a plurality of bypass diodes, each bypass coupled in shunt across a subset of the plurality of photovoltaic cells; and
c. at least one electrical connector adapted for electrical coupling of the solar cell module directly to another solar cell module, said at least one electrical connector constituting the sole path for delivery of electrical power from all of the plurality of photovoltaic cells of the solar cell module.
2 . A solar cell module according to claim 1 , wherein the at least one electrical connector includes two connectors of opposite polarity, one female and one male.
3 . A solar cell module according to claim 2 , wherein the two connectors are disposed on opposing edges of the solar cell module.
4 . A solar cell module according to claim 1 , wherein each electrical connector is characterized by a single conductive path.
5 . A solar cell module according to claim 4 , wherein the single conductive path of one electrical connector is a pin.
6 . A solar cell module according to claim 1 , wherein each electrical connector is co-molded with an edge component of the solar cell module.
7 . A solar cell module according to claim 1 , wherein the plurality of bypass diodes are enclosed within the solar cell module.
8 . A solar cell module according to claim 1 , wherein each of the bypass diodes is embedded in a buss bar.
9 . A solar cell module according to claim 1 , wherein each of the bypass diodes is a Schottky diode.
10 . A solar cell module according to claim 1 , wherein the at least one electrical connector includes a conductor and an elastomeric material surrounding the conductor to seal the conductor with respect to the ambient environment.
11 . A solar cell module according to claim 2 , wherein the two connectors are disposed on a top edge and a bottom edge, in such a manner as to allow tiling of the solar cell module with respect to adjacent solar cells disposed on a sloping surface.
12 . A solar cell module according to claim 10 , further comprising at least one stand-off disposed on an edge of the solar cell module in such a manner as to provide vertical spacing of the edge of the solar cell module with respect to an adjacent solar cell module.
13 . An improvement to a solar cell module of the kind comprising arrays of photovoltaic diodes disposed between a transparent superstrate and a backskin, the improvement comprising at least one stiffening member coupled to the backsheet for supporting the backsheet with respect to deflection of the solar cell module.
14 . The improvement of claim 12 , wherein the at least one stiffening member is non-metallic.
15 . The improvement of claim 12 , wherein the at least one stiffening member is non-metallic.
16 . A method for coupling electric current from a plurality of photovoltaic cells disposed within a solar cell module, the method comprising:
electrically coupling current from the plurality of photovoltaic cells disposed within the solar cell module directly to another solar cell module via at least one electrical connector constituting the sole path for delivery of electrical power from all of the plurality of photovoltaic cells of the solar cell module.