ELECTRONIC CONTROL DEVICE

Title:

ELECTRONIC CONTROL DEVICE

Document Type and Number:

WIPO Patent Application WO/2021/187249

Kind Code:

A1

Abstract:

[Problem] To provide an electronic control device capable of suppressing thermal degradation of a heat-degraded component while improving the vibration resistance of the heat-degraded component, which requires vibration countermeasures and causes thermal degradation. [Solution] This electronic control device 1 comprises: a circuit board 4 having a first surface 4A on which heat-generating components 21, 22, 23 and heat-degraded components 31, 32 are mounted; a first case 2 made of metal and covering the first surface 4A; a second case 3 that covers a second surface 4B of the circuit board 4 on a side opposite to the first surface 4A; support members 51, 52 provided between the heat-degraded components 31, 32 and the first case 2 and supporting the heat-degraded components 31, 32; and heat dissipation members 41, 42, 43 that are provided in at least one of the heat generating components 21, 22, 23 and the first case 2 and transmit, to the first case 2, heat generated by the heat-generating components 21, 22, 23. The heat dissipation members 41, 42, 43 have higher thermal conductivity than the support members 51, 52.

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Inventors:

KAWANABE MOTOHIRO (JP)
NAKAKITA KOJI (JP)
NISHIOKA KENJI (JP)
YAMADA MISAKI (JP)

Application Number:

PCT/JP2021/009370

Publication Date:

September 23, 2021

Filing Date:

March 09, 2021

Export Citation:

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Assignee:

KUBOTA KK (JP)

International Classes:

B60R16/02; H05K5/00; H05K5/02; H05K5/06; H05K7/20

Foreign References:

JPH02194596A	1990-08-01
JP2005129820A	2005-05-19
JP2009246170A	2009-10-22
JP2014099550A	2014-05-29

Other References: