Power Converter

摘要

Provided is a power converter without a crack in a board or peeling-off of a pattern at the time of being grounded to a metal base. A GND protruding terminal is molded in a metal base in an integrated manner. A drive circuit board is provided with rectifier elements, first to third wiring patterns, and a ground pattern. A ground metal conductor, which connects the ground pattern and the metal base, is placed on a top surface of the GND protruding terminal, and is screwed to a female screw portion of the GND protruding terminal.

主权项

1. A power converter comprising:
a metal base in which a protruding portion including a ground attachment surface is provided; a transformer which is mounted to the metal base and performs power conversion between an input side and an output side; at least a pair of rectifier elements which controls input and output of current of the transformer; a drive circuit board which is attached to the metal base, and in which first and second wirings and a ground pattern to supply a main current to each of the rectifier elements are provided; and a ground metal conductor which is installed on the ground attachment surface of the protruding portion and is connected to the ground pattern.