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Installation structure of printed-circuit board for electronic control unit

机译:电子控制单元的印刷电路板的安装结构

摘要

A casing of an ECU is formed within an air cleaner of an intake module for an internal combustion engine. The casing faces an intake air passage, and formed in a pocket, so that the casing is easily formed and the water and dust proof performances thereof are improved. A printed-circuit board to which a metal plate is fixed is inserted into the casing along slits formed on an inner wall of the casing. The slits pinch the printed-circuit board and the metal plate at the rear end area thereof. Thus, anti-stress and anti-vibration performances of the printed-circuit board are improved. The metal plate including convexes and concaved contacting portions is easily formed by pressing an aluminum or steel plate. Thus, the metal plate is formed with low cost. Further, the metal plate appropriately includes holes, thereby promoting the heat radiation and reducing the weight thereof.
机译:ECU的壳体形成在用于内燃机的进气模块的空气滤清器内。壳体面对进气通道并形成在袋中,使得壳体易于形成并且提高了其防水防尘性能。沿着壳体的内壁上形成的狭缝将固定有金属板的印刷电路板插入壳体中。狭缝在印刷电路板和金属板的后端区域处捏住。因此,提高了印刷电路板的抗应力和抗振动性能。通过按压铝或钢板,容易形成具有凹凸的接触部的金属板。因此,金属板以低成本形成。此外,金属板适当地包括孔,从而促进热辐射并减轻其重量。

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