Shielding plate, terminal module, high-speed backplane connector, and connector system

A terminal module, comprising:

• a lamellar fixing frame comprising a mating side and a mounting side that are perpendicular to each other;
• a plurality of pairs of differential signal terminals arranged in a terminal row and supported by the fixing frame;
• each pair of the differential signal terminals has a mating portion extending forwardly and extending out of the mating side, a mounting portion perpendicular to the mating portion and extending downwardly and extending out of the mounting side, and a base portion connecting the mating portion and the mounting portion;
• a plurality of conductive spacers arranged in the terminal row at intervals;
• each of the conductive spacers has an inserting end extending forwardly and extending out of the mating side, and a connecting end integrally formed with the inserting end, and arranged in an opposite direction of the inserting end;
• and
• a shielding plate fixed on one side of the fixing frame and connected with the conductive spacers, wherein the shielding plate comprises a shielding inner wall and a shielding outer wall arranged oppositely, wherein the shielding plate comprises alternately arranged a plurality of concave strips and a plurality of convex strips,
• the concave strips are recessed from the shielding outer wall to the shielding inner wall,
• the convex strips are protruded from the shielding inner wall to the shielding outer wall,
• the shielding plate comprises a front edge and a bottom edge that are perpendicular to each other, each of the concave strips protrudes downwardly at the bottom edge with a grounding pin, and the grounding pins are arranged in a row, and
• the concave strips are recessed toward the fixing frame and extend into the terminal row aligned with and connected with the conductive spacers, and the convex strips protrude in a direction away from the fixing frame, each of the convex strips surrounds a corresponding pair of the differential signal terminals.

A high-speed backplane connector, comprising a plurality of terminal modules arranged in parallel, and an insulative shell for receiving and fixing the terminal modules;

• each of the terminal module comprises a lamellar fixing frame comprising a mating side and a mounting side that are perpendicular to each other;
• a plurality of pairs of differential signal terminals arranged in a terminal row and supported by the fixing frame;
• each pair of the differential signal terminals has a mating portion extending forwardly and extending out of the mating side, a mounting portion perpendicular to the mating portion and extending downwardly and extending out of the mounting side, and a base portion connecting the mating portion and the mounting portion;
• a plurality of conductive spacers arranged in the terminal row at intervals;
• each of the conductive spacers has an inserting end extending forwardly and extending out of the mating side, and a connecting end integrally formed with the inserting end, and arranged in an opposite direction of the inserting end;
• and
• a shielding plate fixed on one side of the fixing frame and connected with the conductive spacers, wherein the shielding plate comprises a shielding inner wall and a shielding outer wall arranged oppositely, wherein the shielding plate comprises alternately arranged a plurality of concave strips and a plurality of convex strips,
• the concave strips are recessed from the shielding outer wall to the shielding inner wall,
• the convex strips are protruded from the shielding inner wall to the shielding outer wall,
• the shielding plate comprises a front edge and a bottom edge that are perpendicular to each other, each of the concave strips protrudes downwardly at the bottom edge with a grounding pin, and the grounding pins are arranged in a row, and
• the concave strips are recessed toward the fixing frame and extend into the terminal row aligned with and connected with the conductive spacers, and the convex strips protrude in a direction away from the fixing frame, each of the convex strips surrounds a corresponding pair of the differential signal terminals.

A connector system, comprising a first connector and a second connector that are cooperated with each other,

• the first connector comprises a U-shaped base, a plurality of pairs of first differential signal terminals fixed on the base, and a plurality of first shielding members fixed on the base and corresponding to the first differential signal terminals;
• the second connector is a high-speed backplane connector, wherein the high-speed backplane connector, comprising a plurality of terminal modules arranged in parallel, and an insulative shell for receiving and fixing the terminal modules;
• each of the terminal module comprises a lamellar fixing frame comprising a mating side and a mounting side that are perpendicular to each other;
• a plurality of pairs of differential signal terminals arranged in a terminal row and supported by the fixing frame;
• each pair of the differential signal terminals has a mating portion extending forwardly and extending out of the mating side, a mounting portion perpendicular to the mating portion and extending downwardly and extending out of the mounting side, and a base portion connecting the mating portion and the mounting portion;
• a plurality of conductive spacers arranged in the terminal row at intervals;
• each of the conductive spacers has an inserting end extending forwardly and extending out of the mating side, and a connecting end integrally formed with the inserting end, and arranged in an opposite direction of the inserting end;
• and
• a shielding plate fixed on one side of the fixing frame and connected with the conductive spacers, wherein the shielding plate comprises a shielding inner wall and a shielding outer wall arranged oppositely, wherein the shielding plate comprises alternately arranged a plurality of concave strips and a plurality of convex strips,
• the concave strips are recessed from the shielding outer wall to the shielding inner wall,
• the convex strips are protruded from the shielding inner wall to the shielding outer wall,
• the shielding plate comprises a front edge and a bottom edge that are perpendicular to each other, each of the concave strips protrudes downwardly at the bottom edge with a grounding pin, and the grounding pins are arranged in a row, and
• the concave strips are recessed toward the fixing frame and extend into the terminal row aligned with and connected with the conductive spacers, and the convex strips protrude in a direction away from the fixing frame, each of the convex strips surrounds a corresponding pair of the differential signal terminals;
• wherein, the mating portions are used for mating with the first differential signal terminals, the inserting ends of the conductive spacers are used for mating with the first shielding members, and the mounting portions and the grounding pins are used for connecting with a circuit board.