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Reliably-fixed cooling structure for a controller circuit board
Reliably-fixed cooling structure for a controller circuit board
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机译：用于控制器电路板的可靠固定的冷却结构
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#$%^&*AU2017100828A420170803.pdf#####TITLE: RELIABLY-FIXED COOLING STRUCTURE FOR A CONTROLLER CIRCUIT BOARD Abstract A reliably-fixed cooling structure for a controller circuit board, comprising a circuit board and a cooling block fixed to the circuit board; a cooling fan is fixed on a side of the cooling block; the cooling block comprises a conduction portion in contact with an intelligent power module; several cooling fins extending upward are fixed on an upper side of the conduction portion; ventilation slots are formed between adjacent cooling fins; the ventilation slots are arranged in a wind blowing direction of the cooling fan; the intelligent power module is fixed on the circuit board; and a bottom surface of the conduction portion of the cooling block comes into contact with an upper surface of the intelligent power module; the cooling fan is fixed to the cooling block, and a lower end face of the cooling fan comes into contact with an upper end face of the circuit board. 3 22 23 24 3 32 3 31 32 33I/L 3 22 23 24 214 31 32 33 FIG.1I 6IG 2
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