PROBLEM TO BE SOLVED: To provide an electronic control device which is provided with a bag-shaped metal casing, and improves heat radiation performance while suppressing an increase in a mounting inhibition area.SOLUTION: An electronic control device is provided with: a bag-shaped metal casing 31 which has a bottom wall part 40 on one end side in a Z direction, a side wall part 42 connected to the bottom wall part, and an opening part on the other end side in the Z direction; a circuit board 30 housed in the casing; a connector mounted on the circuit board; and an elastic member 60. The casing has a protrusion part 45 protruded from the bottom wall part. The elastic member has a main body part 61 on which a hole part for inserting the protrusion part is formed, and is fixed on the protrusion part by reaction force of elastic deformation in a state that the protrusion part is inserted in the hole part. The elastic member is attached to a bottom wall part side of the circuit board in the Z direction, and the circuit board is arranged between the main body part and the side wall part in an X direction in the inserted state.SELECTED DRAWING: Figure 14
【課題】袋形状をなす金属製の筐体を備える電子制御装置において、実装禁止領域の増大を抑制しつつ放熱性を向上すること。【解決手段】電子制御装置は、袋形状をなしてZ方向の一端側に底壁部40を有するとともに底壁部に連結された側壁部42を有し、Z方向の他端側が開口部とされた金属製の筐体31と、筐体に収容される回路基板30と、回路基板に実装されたコネクタと、弾性部材60と、を備える。筐体は、底壁部から突出する突起部45を有している。弾性部材は、突起部が挿入される孔部が形成された本体部61を有し、孔部に突起部が挿入された挿入状態で弾性変形による反力により突起部に固定される。Z方向において、回路基板の底壁部側に弾性部材が取り付けられており、挿入状態で、X方向において本体部と側壁部の間に回路基板が配置される。【選択図】図14
ELECTRONIC CONTROL DEVICE
電子制御装置
2016-11-04
Patent
Elektronische Ressource
Japanisch
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