US Patent No. 10,117,324

SHIELDING CASE, PCB AND TERMINAL DEVICE


Patent No. 10,117,324
Issue Date October 30, 2018
Title Shielding Case, Pcb And Terminal Device
Inventorship Dongliang Wang, Beijing (CN)
Shaojie Wang, Beijing (CN)
Shasha Shi, Beijing (CN)
Assignee XIAOMI INC., Haidian District, Beijing (CN)

Claim of US Patent No. 10,117,324

1. A shielding case, comprising: a first shielding case body and a second shielding case body which are interconnected with each other and form a double-layer structure,wherein the first shielding case body comprises a first top wall and a first side wall, the second shielding case body comprises a second top wall and a second side wall, the second shielding case body at least partially covers an outside of the first shielding case body, and a heat storage material is accommodated between the first shielding case body and the second shielding case body, such that heat radiated by a heating component covered by the double-layer structure is stored in and then dissipated from the heat storage material;
wherein the second shielding case body covers an outside of both the first top wall and the first side wall; and
wherein the second shielding case body is connected with the first shielding case body through multiple joint pins that are arranged along a circumference direction at intervals; an inner end of the joint pin is connected with a corner between the first top wall and the first side wall, while an outer end is connected with a corner between the second top wall and the second side wall; the heat storage material comprises a first heat storage material located between the first top wall and the second top wall and a second heat storage material located between the first side wall and the second side wall.