BUSBAR DEVICE AND CIRCUIT BOARD HAVING THE SAME

• US 20090111303A1
• Filed: 12/18/2008
• Published: 04/30/2009
• Est. Priority Date: 07/06/2006
• Status: Active Grant

• Current Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Original Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Inventors: ZHANG, Guodong, WANG, Lun, HUANG, Chunxing, JIA, Gongxian
• Granted Patent: US 7,878,842 B2
• Time in Patent Office: Days
• US Class Current: 439/212
• CPC Class Codes: G06F 13/409 Mechanical coupling back panels H05K7/1438
• CPC Class Codes: H01R 12/52 connecting to other rigid printed circuits or like structures
• CPC Class Codes: H01R 13/025 formed by the conductors of a cable end
• CPC Class Codes: H01R 31/085 Short circuiting bus-strips
• CPC Class Codes: H05K 1/0263 High current adaptations, e.g. printed high current conductors or using auxiliary non-printed means; Fine and coarse circuit patterns on one circuit board H05K1/0293 takes precedence
• CPC Class Codes: H05K 1/147 at least one of the printed circuits being bent or folded, e.g. by using a flexible printed circuit H05K1/148 takes precedence
• CPC Class Codes: H05K 2201/10272 Busbars, i.e. thick metal bars mounted on the printed circuit board [PCB] as high-current conductors
• CPC Class Codes: H05K 2201/10356 Cables
• CPC Class Codes: H05K 2201/10409 Screws
• CPC Class Codes: H05K 7/1457 Power distribution arrangements

Abstract

A busbar device includes a conductive body. The conductive body is provided with a number of mounting holes corresponding to the mounting holes of a mount device for mounting the busbar device. The conductive body is a flexible conductive body, and the distance between every two adjacent mounting holes in the conductive body is larger than or equal to the distance between two corresponding adjacent mounting holes in the mount device.

Claims

1. A busbar device comprising a conductive body, wherein the conductive body is provided with a number of mounting holes corresponding to the mounting holes of a mount device for mounting the busbar device, the conductive body is a flexible conductive body, and the distance between every two adjacent mounting holes in the conductive body is larger than or equal to the distance between two corresponding adjacent mounting holes in the mount device.

2. The busbar device according to claim 1, wherein the flexible conductive body is a flexible cable, or at least one layer of flexible sheet metal.

3. The busbar device according to claim 2, wherein the flexible cable comprises a plurality of parallel cables or a braided flat cable, and the flexible cable is fixedly connected at the mounting holes in the conductive body.

4. The busbar device according to claim 1, wherein the mounting holes in the Printed Circuit Board are longer than the corresponding mounting holes in the mounted device in a longitudinal direction of the busbar device.

5. A busbar device comprising a conductive body, wherein the conductive body is provided with a number of mounting holes corresponding to the mounting holes of a mount device for mounting the busbar device, the conductive body being at least one layer of Printed Circuit Board (PCB), and the distance between every two adjacent mounting holes in the conductive body is equal to the distance between two corresponding adjacent mounting holes in the mount device, the mounting holes in the Printed Circuit Board are longer than the corresponding mounting holes in the mounted device in a longitudinal direction of the busbar device.

6. A busbar device comprising a conductive body, wherein the conductive body is provided with a number of mounting holes corresponding to the mounting holes of a mount device for mounting the busbar device, the conductive body being is at least one layer of Printed Circuit Board (PCB), and the distance between every two adjacent mounting holes in the conductive body is equal to the distance between two corresponding adjacent mounting holes in the mount device, the insulation material in the structure of the PCB is required to have same thermal expansion coefficient as the insulation material in the structure of the backplane.

7. A circuit board comprising a busbar device and a circuit board body, wherein:

the circuit board body is provided with a plurality of mounting holes;

the busbar device comprises a conductive body, the conductive body being provided with a number of mounting holes corresponding to the mounting holes in the circuit board body, the conductive body being a flexible conductive body, and the distance between every two adjacent mounting holes in the conductive body is larger than or equal to the distance between two corresponding adjacent mounting holes in the circuit board body; and

the corresponding mounting holes in the circuit board body and in the conductive body are fixed by fasteners.

8. The circuit board according to claim 7, wherein the flexible conductive body is a flexible cable, or at least one layer of flexible sheet metal.

9. The circuit board according to claim 8, wherein the flexible cable comprises a plurality of parallel cables or a braided flat cable, and the flexible cable is fixedly connected at the mounting holes in the conductive body.

10. The circuit board according to claim 7, wherein the Printed Circuit Board comprises multiple layers, and the multilayer Printed Circuit Board is provided with metallized holes and connected through the metallized holes.

11. The circuit board according to claim 10, wherein the mounting holes in the Printed Circuit Board are longer than the corresponding mounting holes in the circuit board body in a longitudinal direction of the busbar device.

12. A communication equipment comprising:

a cabinet; and

at least one circuit board mounted in the cabinet;

wherein at least one circuit board comprises a busbar device and a circuit board body, the circuit board body is provided with a plurality of mounting holes;

the busbar device comprises a conductive body, the conductive body being provided with a number of mounting holes corresponding to the mounting holes in the circuit board body, the conductive body being a flexible conductive body, and the distance between every two adjacent mounting holes in the conductive body is larger than or equal to the distance between two corresponding adjacent mounting holes in the circuit board body; and

the corresponding mounting holes in the circuit board body and in the conductive body are fixed by fasteners.

13. The communication equipment according to claim 12, wherein the conductive body is a flexible cable comprising a plurality of parallel cables or a braided flat cable, and the flexible cable is fixedly connected at the mounting holes in the conductive body.

14. The communication equipment according to claim 12, wherein the Printed Circuit Board comprises multiple layers, and the multilayer Printed Circuit Board is provided with metallized holes and connected through the metallized holes.

15. The communication equipment according to claim 12, wherein the mounting holes in the Printed Circuit Board are longer than the corresponding mounting holes in the circuit board body in a longitudinal direction of the busbar device.