# US 2021/0344131 A1 · Dual-backplane structure and electronic device using same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0344131 A1 - Document ID: US20210344131A1 - Status: Published application - Kind: A1 - Application number: 17/239,665 - Filed: 2021-04-25 - Published: 2021-11-04 - Earliest claimed: 2020-04-29 - Assignees: Celestica Technology Consultancy (Shanghai) Co. Ltd - Applicants: Celestica Technology Consultancy (Shanghai) Co. Ltd - Inventors: Yaxu CHEN; Yuan XUE - Web page: https://patentgrep.com/patent/US20210344131A1 ## CPC - H01R 12/722: {coupling devices mounted on the edge of the printed circuits} - G06F 1/181: {Enclosures (for portable computers G06F1/1613)} - G06F 1/183: Internal mounting support structures, e.g. for supporting printed circuit boards - G06F 1/184: Mounting of motherboards - G06F 1/187: Mounting of fixed or removable disk drives - H05K 2201/044: Details of backplane or midplane for mounting orthogonal PCBs - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ## Abstract The present disclosure provides a dual-backplane structure and electronic device using the same. The dual-backplane structure includes: a first backplane having an opening, and the front side of the first backplane includes at least one connector connected with a connector of the second assembly surface on a main board of a control module; a second backplane disposed on the back of the first backplane, the front side of the second backplane includes a connector connected with a connector of the first assembly surface on a main board of a control module; the back side of the second backplane includes a plurality of hard disk connectors for connecting with the hard disk module. At least one connector on the front side of the second backplane is connected with the connector corresponding to the first assembly surface on the main board through the opening of the first backplane. ## Claims ### Claim 1 A dual-backplane structure, comprising: a first backplane, having an opening, wherein a front side of the first backplane includes at least one connector connected with a connector of the second assembly surface on the main board of a control module; and a second backplane disposed on a back side of the first backplane, wherein a front side of the second backplane includes at least one connector, which is connected with a connector of the first assembly surface on the main board of the control module through the opening of the first backplane, wherein a back side of the second backplane includes a plurality of hard disk connectors for connecting with a hard disk module, at least one connector on the front side of the second backplane is connected with the connector corresponding to the first assembly surface on the main board through the opening of the first backplane. ### Claim 2 (depends on 1) The dual-backplane structure according to claim 1, wherein an upper edge of the opening of the first backplane has a shape matching an upper surface of the connector on the main board of the control module that extends through the opening. ### Claim 3 (depends on 1) The dual-backplane structure according to claim 1, wherein the control module includes a first control module and a second control module, the connector of the first backplane includes a first connector and a second connector, which are respectively connected with a connector in the first control module for connecting with the second control module and a connector in the second control module for connecting the first control module. ### Claim 4 (depends on 3) The dual-backplane structure according to claim 3, wherein the first connector and the second connector in the first backplane are respectively disposed at two ends of the first backplane, the length of the opening matches the length of either a connector in the first control module that is connected with the at least one connector of the second backplane, or a connector in the second control module that is connected with the at least one connector of the second backplane. ### Claim 5 (depends on 1) The dual-backplane structure according to claim 1, wherein the first backplane and the second backplane respectively includes a plurality of ventilation holes. ### Claim 6 (depends on 5) The dual-backplane structure according to claim 5, wherein in an overlapping area of the first backplane and the second backplane, the ventilation holes in the first backplane match the ventilation holes in the second backplane in terms of size and position. ### Claim 7 (depends on 1) The dual-backplane structure according to claim 1, wherein the first backplane and the second backplane are fixed by a plurality of screws or bolts. ### Claim 8 (depends on 1) An electronic device, comprising: a first control module and a second control module placed side by side; a dual-backplane structure connected with the first control module and the second control module in claim 1, and a hard disk module connected with a second backplane in the dual backplane structure. ### Claim 9 (depends on 8) The electronic device according to claim 8, wherein a connector in the first control module for connecting with the second control module is retracted inward by a preset distance relative to the main board of the first control module, a connector in the second control module for connecting with the first control module is retracted inward by a preset distance relative to the main board of the second control module; an outer surface of the inwardly retracted connector in the first control module together with an outer surface of the inwardly retracted connector in the second control module forms the second assembly surface; an outer surface of a connector which is not inwardly retracted in the first control module together with an outer surface of a connector which is not inwardly retracted in the second control module forms the first assembly surface. ### Claim 10 (depends on 8) The electronic device according to claim 8, wherein a length of the second backplane in the dual-backplane structure matches the sum of a width of the first control module and a width of the second control module; a length of the first backplane in the dual-backplane structure matches a sum of a length of the inwardly retracted connector in the first control module, a length of the inwardly retracted connector in the second control module, and a distance between the two inwardly retracted connectors.