Breaker measurement structure for power distribution unit

Patent metadata

Field	Value
Publication number	US-10746799-B2
Application number	US-201815884930-A
Country	US
Kind code	B2
Filing date	Jan 31, 2018
Priority date	Jan 31, 2018
Publication date	Aug 18, 2020
Grant date	Aug 18, 2020

Abstract

A power distribution unit includes a circuit protection device having output terminals and a current transformer board connected to the output terminals of the circuit protection device. The power distribution unit further includes a signal board connected to the current transformer board and a measurement board connected to the signal board.

First claim

What is claimed is:

1. An integrated printed circuit board assembly system of a power distribution unit, the integrated printed circuit board assembly system comprising:
a plurality of current transformer boards, each current transformer board being configured to connect to a circuit protection device;
a plurality of measurement boards, including at least a first measurement board and a second measurement board,
wherein each of the plurality of measurement boards is configured to measure at least one of a voltage and a current; and

a signal board connected to each of the plurality of current transformer boards and connected to each of the plurality of measurement boards,
wherein the signal board collects voltage and current signals from each of the plurality of current transformer boards and distributes the voltage and current signals to the plurality of measurement boards.

2. The integrated printed circuit board assembly system of claim 1 , wherein the signal board has a first side and a second side, the first side having a plurality of connectors configured to receive the plurality of current transformer boards and the plurality of measurement boards.

3. The integrated printed circuit board assembly system of claim 2 , wherein the second side of the signal board has no traces or components.

4. The integrated printed circuit board assembly system of claim 1 , wherein the plurality of current transformer boards includes at least a first current transformer board, a second current transformer board, and a third current transformer board.

5. The integrated printed circuit board assembly system of claim 1 , wherein each of the plurality of current transformer boards includes integrated voltage sense terminals.

6. The integrated printed circuit board assembly of claim 1 , further comprising an input board connected to the first measurement board, wherein the input board provides an input voltage and current signal to the first measurement board.

7. The integrated printed circuit board assembly system of claim 6 , wherein the input board accepts one of a three-phase wye voltage input, a three-phase delta voltage input, and a single-phase voltage input.

8. The integrated printed circuit board assembly system of claim 6 , wherein the input board includes metal oxide varistors.

9. A power distribution unit comprising:
a circuit protection device having output terminals;
a current transformer board connected to the output terminals of the circuit protection device, the current transformer board providing a secondary output that is proportional to an output of the circuit protection device;
a signal board connected to the current transformer board; and
a measurement board connected to the signal board, the signal board collecting the secondary output from the current transformer board and distributing the secondary output to the measurement board.

10. The power distribution unit of claim 9 , wherein the current transformer board includes integrated sense terminals connected to the output terminals of the circuit protection device.

11. The power distribution unit of claim 10 , further comprising a wire connected to at least one of the output terminals of the circuit protection device, wherein the wire passes through the current transformer.

12. The power distribution unit of claim 10 , further comprising a busbar connected to at least one of the output terminals of the circuit protection device, wherein the busbar passes through the current transformer.

Assignees

• Eaton Corp
• Eaton Intelligent Power Ltd

Inventors

• Smith Josiah Daniel
• Chen George
• Le Long Larry

Classifications

• H05K7/1492 Primary

  having electrical distribution arrangements, e.g. power supply or data communications · CPC title

• H02H7/222

  for switches · CPC title

• H01H73/06

  Housings; Casings; Bases; Mountings · CPC title

• H02H1/0007

  concerning the detecting means (in general G01R or other subclasses of G01; reed switches H01H71/2445) · CPC title

• G01R31/3274 Primary

  Details related to measuring, e.g. sensing, displaying or computing; Measuring of variables related to the contact pieces, e.g. wear, position or resistance (measuring contact resistance G01R27/205) · CPC title