Busbar device and circuit board having the same

• US 7,878,842 B2
• Filed: 12/18/2008
• Issued: 02/01/2011
• 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
• Primary Examiner(s): Nguyen; Truc T
• Application Number:
  US12/338,109
• Publication Number:
  US 20090111303A1
• Time in Patent Office: 775 Days
• Field of Search: 439/493, 439/260
• US Class Current: 439/493
• 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 PCB as high-current conductors metal strips H05K2201/1028
• 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 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, a conductor of the conductive body having 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;

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

the mounting holes in the conductor are arranged in a longitudinal direction of the conductor, when the busbar device is mounted on the circuit board body, whereby the busbar device is spread out on the surface of the circuit board body.

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

3. The circuit board 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 circuit board according to claim 1, 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.

5. The circuit board according to claim 4, 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.

6. 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, a conductor of the conductive body having 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;

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

the mounting holes in the conductor are arranged in a longitudinal direction of the conductor, when the busbar device is mounted on the circuit board body, whereby the busbar device is spread out on the surface of the circuit board body.

7. The communication equipment according to claim 6, 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.

8. The communication equipment according to claim 6, 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.

9. The communication equipment according to claim 6, 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.