US 9,814,154 B2
Power converter
Tatsuya Nakazawa, Hitachinaka (JP); Hidenori Shinohara, Hitachinaka (JP); and Yoshiharu Yamashita, Hitachinaka (JP)
Assigned to Hitachi Automotive Systems, Ltd., Hitachinaka-shi (JP)
Appl. No. 15/26,041
Filed by Hitachi Automotive Systems, Ltd., Hitachinaka-shi, Ibaraki (JP)
PCT Filed Oct. 1, 2014, PCT No. PCT/JP2014/076234
§ 371(c)(1), (2) Date Mar. 30, 2016,
PCT Pub. No. WO2015/053139, PCT Pub. Date Apr. 16, 2015.
Claims priority of application No. 2013-210129 (JP), filed on Oct. 7, 2013.
Prior Publication US 2016/0242308 A1, Aug. 18, 2016
Int. Cl. H02M 7/02 (2006.01); H02M 7/26 (2006.01); H02M 7/00 (2006.01); H05K 7/14 (2006.01); H02M 3/335 (2006.01); H05K 7/20 (2006.01); B60L 11/18 (2006.01)
CPC H05K 7/1407 (2013.01) [H02M 3/33546 (2013.01); H02M 3/33576 (2013.01); H05K 7/1432 (2013.01); H05K 7/20927 (2013.01); B60L 11/1803 (2013.01)] 9 Claims
OG exemplary drawing
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;
wherein the protruding portion projects away from a main surface of the metal base toward the drive circuit board.