Title:
POWER CONVERSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/004266
Kind Code:
A1
Abstract:
A power conversion device according to the present disclosure is provided with: a casing; a capacitor housed in the casing; a power module that is housed in the casing and converts a DC voltage from the capacitor into an AC voltage; a cooling device that cools the power module; a control substrate that is housed in the casing with a gap interposed between said substrate and the power module and controls the driving of the power module; a heat insulation part that is housed in the casing and divides the interior of the casing into a space in which the power module is disposed and a space in which the control substrate is disposed; and heat dissipation parts disposed to the heat insulation part. The heat insulation part has: a flat plate portion disposed in the gap between the power module and the control substrate; and a plurality of side wall plate portions that, by connecting the outer edge portions of the flat plate portion with the cooling device, surround the power module from the extending directions of the flat plate portion. The plurality of heat dissipation parts are disposed in the in-plane direction in at least one of the flat plate portion and the side wall plate portions.
Inventors:
MATSUDA HIROKI (JP)
KAWAMIZU TSUTOMU (JP)
KAWAMIZU TSUTOMU (JP)
Application Number:
PCT/JP2023/005823
Publication Date:
January 04, 2024
Filing Date:
February 17, 2023
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
H02M7/48
Domestic Patent References:
| WO2021166256A1 | 2021-08-26 |
Foreign References:
| JP2006339352A | 2006-12-14 | |||
| JP2017055650A | 2017-03-16 | |||
| JP2013149748A | 2013-08-01 | |||
| JP2008085258A | 2008-04-10 | |||
| JP2005259787A | 2005-09-22 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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