In-Vehicle Control Device and Manufacturing Method
AssigneeHitachi Astemo, Ltd.
InventorMichihito WATARAI
Life of this patent
Estimating the term…
Abstract
In an in-vehicle control device (1) including a base (10), a cover (20) fixed to the base, a circuit board (30) accommodated in the base and the cover, and an electronic component (40) mounted on the circuit board, at least one of the base or the cover is an integrated structure of a plurality of heat dissipation fins (15) and a main body (14), the plurality of heat dissipation fins being made of a portion of one steel plate as a material, and the main body being made of the remaining portion of the steel plate.
Claims15
An in-vehicle control device comprising:
- a base;
- a cover fixed to the base;
- a circuit board accommodated in the base and the cover;
- and
- an electronic component mounted on the circuit board,
- wherein at least one of the base or the cover is an integrated structure of a plurality of heat dissipation fins and a main body, the plurality of heat dissipation fins being made of a portion of one steel plate as a material, and the main body being made of a remaining portion of the steel plate.
A manufacturing method of an in-vehicle control device including a base, a cover fixed to the base, a circuit board accommodated in the base and the cover, and an electronic component mounted on the circuit board, the manufacturing method comprising:
- slicing and raising a surface layer of a steel plate or a surface layer of a press-molded steel plate of at least one of the base or the cover to form a plurality of heat dissipation fins.
Dependencies are inferred from the claim text.