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1. (WO2017149801) POWER CONVERSION DEVICE

Pub. No.:    WO/2017/149801    International Application No.:    PCT/JP2016/073455
Publication Date: Sat Sep 09 01:59:59 CEST 2017 International Filing Date: Wed Aug 10 01:59:59 CEST 2016
IPC: H02M 7/48
H05K 7/14
Applicants: MITSUBISHI ELECTRIC CORPORATION
三菱電機株式会社
Inventors: HAYASHI, Komei
林 功明
Title: POWER CONVERSION DEVICE
Abstract:
The present invention provides a small power conversion device having excellent vibration resistance and high productivity. A power conversion device of the present invention is provided with: a housing; a cooler, which is fixed to the housing, and is disposed in the housing; a power module attached to the cooler; a first control board, which is electrically connected to the power module, and is disposed on the power module side in the housing, said side being the reverse side of the cooler, by being held at an outer peripheral portion; and a second control board, which is electrically connected to the first control board, and is disposed on the first control board side in the housing, said side being the reverse side of the power module, by being held at an outer peripheral portion. In the first control board, the inside of a first control board surface on the reverse side of the second control board is fixed, using a first fixing member, to the cooler or the housing, and in the second control board, the inside of a second control board surface on the reverse side of the first control board is fixed, using a second fixing member, to the housing, and the first control board and the second control board are electrically connected to each other within a first control board surface and a second control board surface, which are facing each other.