Circuit board comprising a rectifier bridge

Patent metadata

Field	Value
Publication number	US-12021458-B2
Application number	US-201916657710-A
Country	US
Kind code	B2
Filing date	Oct 18, 2019
Priority date	Oct 19, 2018
Publication date	Jun 25, 2024
Grant date	Jun 25, 2024

Abstract

Circuit board comprising a printed circuit comprising phase conductors, each of which is arranged so as to be connected to one phase of a multiphase line, the circuit board further comprising a rectifier bridge comprising phase diodes that are mounted on one and the same face of the printed circuit, the phase diodes comprising, for each phase conductor, one pair of phase diodes comprising a first phase diode having an anode that is connected to said phase conductor and a second phase diode having a cathode that is connected to said phase conductor, the pairs of phase diodes lying in succession along a positioning axis on the face of the printed circuit, the first phase diode and the second phase diode of each pair of phase diodes being positioned in parallel but inverted with respect to each other.

First claim

The invention claimed is:

1. A circuit board comprising:
a printed circuit comprising phase conductors, each of which is arranged so as to be connected to one phase of a multiphase line; and
a rectifier bridge comprising phase diodes that are mounted on one and the same face of the printed circuit, the phase diodes comprising, for each phase conductor, a first phase diode having an anode that is connected to said phase conductor and a second phase diode having a cathode that is connected to said phase conductor, the first phase diode and the second phase diode of each phase conductor forming a pair of phase diodes, all the first phase diodes and second phase diodes lying in succession along one single positioning axis on the face of the printed circuit, the first phase diode and the second phase diode of each pair of phase diodes being positioned in parallel but inverted with respect to each other; an output of the rectifier bridge is connected to an impedance such that a voltage across terminals of the impedance is close to a DC voltage.

2. The circuit board according to claim 1 , wherein, in each pair of phase diodes, a cathode of the first phase diode is connected to a cathode of a first phase diode of a pair of phase diodes that is closest to said first phase diode, and/or an anode of the second phase diode is connected to an anode of a second phase diode of a pair of phase diodes that is closest to said second phase diode.

3. The circuit board according to claim 1 , wherein each phase diode has a phase diode axis that passes through a central point, through the anode and through the cathode of said phase diode, the phase diode axes being parallel to one another and being perpendicular to the positioning axis.

4. The circuit board according to claim 3 , wherein the central points of the phase diodes are aligned along an alignment axis that is parallel to the positioning axis.

5. The circuit board according to claim 1 , the printed circuit further comprising a neutral conductor that is arranged so as to be connected to a neutral of the multiphase line, the rectifier bridge further comprising a pair of neutral diodes comprising a first neutral diode and a second neutral diode that are mounted on the same face of the printed circuit, the first neutral diode having an anode that is connected to the neutral conductor and the second neutral diode having a cathode that is connected to the neutral conductor, the first neutral diode and the second neutral diode being positioned such that the first neutral diode, the pairs of phase diodes and then the second neutral diode lie in succession along the positioning axis on the face of the printed circuit.

6. The circuit board according to claim 5 , wherein a cathode of the first neutral diode is connected to the cathode of a first phase diode of a pair of phase diodes that is closest to said first neutral diode, and wherein an anode of the second neutral diode is connected to the anode of a second phase diode of a pair of phase diodes that is closest to said second neutral diode.

7. The circuit board according to claim 5 , wherein each neutral diode has a neutral diode axis that passes through a central point, through the anode and through the cathode of said neutral diode, the neutral diode axes being coincident and being parallel to the positioning axis.

8. The circuit board according to claim 5 , wherein the first neutral diode and the second neutral diode are positioned in parallel and facing a same direction.

9. The circuit board according to claim 5 , wherein the phase diodes are located in a first half-plane and the neutral diodes are located in a second half-plane, the first half-plane and the second half-plane being defined by a separation axis that is parallel to the positioning axis.

10. The circuit board according to claim 5 , wherein the phase diodes and the neutral diodes are installed within an installation area, and wherein an output of the rectifier bridge is located facing a central portion of the installation area.

11. The circuit board according to claim 5 , wherein the neutral conductor is a ground plane of the printed circuit.

12. The circuit board according to claim 1 , wherein the printed circuit has two layers of copper.

13. An electricity meter comprising a circuit board according to claim 1 .

Assignees

• Sagemcom Energy & Telecom Sas

Inventors

• De La Cruz Fabien

Classifications

• H10W90/00

  Package configurations · CPC title

• H10W70/611

  for connecting multiple chips together · CPC title

• H10W70/65

  Shapes or dispositions of interconnections · CPC title

• H02M7/003 Primary

  Constructional details, e.g. physical layout, assembly, wiring or busbar connections · CPC title

• G01R22/00

  Arrangements for measuring time integral of electric power or current, e.g. electricity meters · CPC title