# US 12,763,525 B2 · Connector assembly with improved heat dissipation effect > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,763,525 B2 - Document ID: US12763525B2 - Status: Granted - Kind: B2 - Application number: 18/387,719 - Filed: 2023-11-07 - Published: 2024-07-25 - Granted: 2026-10-13 - Earliest claimed: 2023-01-19 - Assignees: Dongguan Luxshare Technologies Co., Ltd - Applicants: Dongguan Luxshare Technologies Co., Ltd - Inventors: Bin Huang; Hongji Chen; Kunlin Yao; Chuanqi Gong; Chenhui Zeng - Web page: https://patentgrep.com/patent/US12763525B2 ## CPC - H01R 13/6594: the shield being mounted on a PCB and connected to conductive members - G02B 6/4284: {of optical modules with disconnectable electrical connectors (latching arms for electrical connectors H01R13/627)} - H01R 12/57: surface mounting terminals - H01R 13/02: Contact members - H01R 13/40: Securing contact members in or to a base or case; Insulating of contact members - H01R 13/502: composed of different pieces (H01R13/514 takes precedence) - H01R 13/516: Means for holding or embracing insulating body, e.g. casing {, hoods} - H01R 13/6587: for mounting on PCBs - H05K 7/2039: {characterised by the heat transfer by conduction from the heat generating element to a dissipating body (arrangements for increasing/decreasing heat-transfer, e.g. fins details, F28F13/00)} - H05K 7/20409: {Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing} - H05K 7/20418: {the radiating structures being additional and fastened onto the housing} - H01R 12/58: terminals for insertion into holes - H01R 12/716: {Coupling device provided on the PCB} - H01R 13/405: Securing in non-demountable manner, e.g. moulding, riveting - H01R 13/648: Protective earth or shield arrangements on coupling devices {, e.g. anti-static shielding} (coaxially arranged shields H01R24/38) - H01R 13/658: High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse] {(coaxial coupling devices specially adapted for high frequency H01R24/40; for flat or ribbon cable connectors H01R12/774; for coaxial cable H01R9/05)} - H01R 13/6582: with resilient means for engaging mating connector - H01R 13/6583: with separate conductive resilient members between mating shield members - H01R 13/6586: for separating multiple connector modules - H01R 13/6591: Specific features or arrangements of connection of shield to conductive members - Y02T 10/70: Energy storage systems for electromobility, e.g. batteries - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract A connector assembly includes an electrical connector, a metal shielding cage, and a heat dissipation element. The electrical connector includes an insulating body and a number of conductive terminals configured to be mounted on a circuit board. The metal shielding cage is shielded on a periphery of the electrical connector. The metal shielding cage includes a receiving chamber configured to receive a mating connector along a first direction. The first direction is perpendicular to the circuit board. The heat dissipation element includes a first heat sink. The first heat sinks include a number of first heat dissipation fins and a number of first heat dissipation channels. ## Claims ### Claim 1 A connector assembly, comprising: an electrical connector comprising an insulating body and a plurality of conductive terminals, the plurality of conductive terminals being configured to be mounted to a circuit board; a metal shielding cage shielding a periphery of the electrical connector, the metal shielding cage comprising a receiving chamber configured to receive a mating connector along a first direction, the first direction being perpendicular to the circuit board; and a heat dissipation element comprising a first heat sink mounted on one side of the metal shielding cage, the first heat sink comprising a plurality of first heat dissipation fins and a plurality of first heat dissipation channels of which each is located between two adjacent first heat dissipation fins; wherein the metal shielding cage comprises a first end wall, a first side wall, a second side wall opposite to the first side wall, and a second end wall opposite to the first end wall; and wherein the receiving chamber is jointly enclosed by the first end wall, the first side wall, the second side wall and the second end wall; wherein the metal shielding cage comprises an inner metal shell fixed to the first side wall and the second side wall; the inner metal shell divides the receiving chamber into a first receiving chamber and a second receiving chamber located on two sides of the inner metal shell, respectively; the first receiving chamber and the second receiving chamber are configured to receive a first mating connector and a second mating connector, respectively; and wherein the inner metal shell comprises a top wall, a first fixing wall bent downwardly from one side of the top wall, and a second fixing wall bent downwardly from another end of the top wall. ### Claim 2 (depends on 1) The connector assembly according to claim 1, wherein the first end wall defines a first opening communicating with the receiving chamber; the first heat sink comprises a first body portion fixed to the first end wall, the plurality of first heat dissipation fins protrude sidewardly from the first body portion; the first body portion at least partially extends into the first opening, and is exposed in the receiving chamber. ### Claim 3 (depends on 2) The connector assembly according to claim 2, wherein the second end wall defines a second opening communicating with the receiving chamber; the second heat sink comprises a second body portion fixed to the second end wall, the plurality of second heat dissipation fins protrude sidewardly from the second body portion; the second body portion at least partially extends into the second opening, and is exposed in the receiving chamber. ### Claim 4 (depends on 1) The connector assembly according to claim 1, wherein the metal shielding cage has a first height H1 along the first direction; the metal shielding cage has a first length L1 along a second direction perpendicular to the first direction, where H1>L1. ### Claim 5 (depends on 4) The connector assembly according to claim 4, wherein the metal shielding cage has a first width W1 along a third direction which is perpendicular to the first direction and the second direction, where H1>W1. ### Claim 6 (depends on 1) The connector assembly according to claim 1, wherein the heat dissipation element comprises a second heat sink mounted on another side of the metal shielding cage; the second heat sink comprises a plurality of second heat dissipation fins and a plurality of second heat dissipation channels of which each is located between two adjacent second heat dissipation fins; and wherein an extending direction of each first heat dissipation channel is perpendicular to the first direction; and an extending direction of each second heat dissipation channel is perpendicular to the first direction. ### Claim 7 (depends on 1) The connector assembly according to claim 1, wherein the heat dissipation element comprises a second heat sink mounted on another side of the metal shielding cage; the second heat sink comprises a plurality of second heat dissipation fins and a plurality of second heat dissipation channels of which each is located between two adjacent second heat dissipation fins; and wherein an extending direction of each first heat dissipation channel is parallel to the first direction; and an extending direction of each second heat dissipation channel is parallel to the first direction. ### Claim 8 (depends on 1) The connector assembly as claimed in claim 1, wherein the inner metal shell further comprises an opening surrounded by the top wall, the first fixing wall and the second fixing wall; the heat dissipation element further comprises a mounting block installed in the opening; and the mounting block is a metal block. ### Claim 9 (depends on 8) The connector assembly according to claim 8, wherein the mounting block comprises a top wall portion, a bottom wall portion, a first wall portion, a second wall portion opposite to the first wall portion, a third wall portion connecting one end of the first wall portion and one end of the second wall portion, and a fourth wall portion connecting another end of the first wall portion and another end of the second wall portion; the first wall portion has a first wall surface; and the second wall portion has a second wall surface opposite to the first wall surface; at a position adjacent to the bottom wall portion, the mounting block further comprises a heat dissipation through hole extending through the first wall surface and the second wall surface. ### Claim 10 (depends on 9) The connector assembly according to claim 9, wherein the first side wall defines a plurality of first heat dissipation holes, the second side wall defines a plurality of second heat dissipation holes, the heat dissipation through hole corresponds to heights of the first heat dissipation holes and the second heat dissipation holes in the first direction; and the first heat dissipation holes, the heat dissipation through hole and the second heat dissipation holes are in communication. ### Claim 11 (depends on 9) The connector assembly according to claim 9, wherein the mounting block further comprises a plurality of heat dissipation channels extending through the third wall portion and arranged at intervals; the plurality of heat dissipation channels extend upwardly through the top wall portion; and the plurality of heat dissipation channels are in communication with the heat dissipation through hole downwardly. ### Claim 12 (depends on 1) The connector assembly according to claim 1, further comprising a first terminal module; wherein the first terminal module comprises a first insulating block, a plurality of first conductive terminals fixed to the first insulating block, and a plurality of second conductive terminals fixed to the first insulating block; the plurality of conductive terminals comprise the plurality of first conductive terminals and the plurality of second conductive terminals; each first conductive terminal comprises a first fixing portion, a first elastic contact arm extending from one end of the first fixing portion, and a first tail portion extending from another end of the first fixing portion; the first fixing portion is fixed to the first insulating block; the first tail portion extends beyond the first insulating block; each second conductive terminal comprises a second fixing portion, a second elastic contact arm extending from one end of the second fixing portion, and a second tail portion extending from another end of the second fixing portion; the second fixing portion is fixed to the first insulating block; the second tail portion extends beyond the first insulating block; and the first tail portion and the second tail portion are configured to be mounted on the circuit board. ### Claim 13 (depends on 8) The connector assembly according to claim 8, wherein the insulating body comprises a base portion, a first extension protrusion extending from one side of the base portion along the first direction, and a second extension protrusion extending from another side of the base portion along the first direction; the first extension protrusion and the second extension protrusion are located on a same side of the base portion; the insulating body comprises two first protrusions protruding from two ends of the first extension protrusion toward the second extension protrusion, and a first positioning slot jointly formed by the first extension protrusion and the two first protrusions; the insulating body comprises two second protrusion protruding from two ends of the second extension protrusion toward the first extension protrusion, and a second positioning slot jointly formed by the second extension protrusion and the two second protrusions; the insulating body comprises a receiving groove located between the first extension protrusion and the second extension protrusion; the receiving groove is located between the first positioning slot and the second positioning slot; the receiving groove is in communication with the first positioning slot and the second positioning slot; the insulating body defines a mating slot configured to receive the mating connector, the mating slot comprises a first mating slot formed on the first extension protrusion and extending through the first extension protrusion along the first direction, and a second mating slot formed on the second extension protrusion and extending through the second extension protrusion along the first direction; the first mating slot is in communication with the first receiving chamber so as to receive the first mating connector; the second mating slot is in communication with the second receiving chamber so as to receive the second mating connector. ### Claim 14 A connector assembly, comprising: an electrical connector comprising an insulating body and a plurality of conductive terminals, the plurality of conductive terminals being configured to be mounted to a circuit board; a metal shielding cage shielding a periphery of the electrical connector; the metal shielding cage comprising a first end wall, a first side wall, a second side wall opposite to the first side wall, a second end wall opposite to said first end wall, and a receiving chamber jointly enclosed by the first end wall, the first side wall, the second side wall and the second end wall; the receiving chamber comprising a first receiving chamber configured to receive a first mating connector along a first direction, and a second receiving chamber configured to receive a second mating connector along the first direction; the first end wall defining a first opening communicating with the first receiving chamber; the second end wall defining a second opening communicating with the second receiving chamber; the first direction being perpendicular to the circuit board; and a heat dissipation element comprising a first heat sink and a second heat sink; the first heat sink comprising a first body portion fixed to the first end wall and at least partially protruding inwardly into the first opening, a plurality of first heat dissipation fins protruding sidewardly from the first body portion, and a plurality of first heat dissipation channels of which each is located between two adjacent first heat dissipation fins; the second heat sink comprising a second body portion fixed to the second end wall and at least partially protruding inwardly into the second opening, a plurality of second heat dissipation fins protruding sidewardly from the second body portion, and a plurality of second heat dissipation channels of which each is located between two adjacent second heat dissipation fins; the first body portion protruding inwardly into the first opening is configured to abut against the first mating connector; the second body portion protruding inwardly into the second opening is configured to abut against the second mating connector; wherein the circuit board defines a first heat dissipation slot extending through the circuit board and a second heat dissipation slot extending through the circuit board; the first heat dissipation slot communicates with the first heat dissipation channels along the first direction; and the second heat dissipation slot communicates with the second heat dissipation channels along the first direction. ### Claim 15 (depends on 14) The connector assembly according to claim 14, wherein an extending direction of each first heat dissipation channel is perpendicular to the first direction; and an extending direction of each second heat dissipation channel is perpendicular to the first direction. ### Claim 16 (depends on 14) The connector assembly according to claim 14, wherein an extending direction of each first heat dissipation channel is parallel to the first direction; and an extending direction of each second heat dissipation channel is parallel to the first direction.