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呼救装置主要由手摇柄通过直齿圆柱齿轮与螺旋锥齿轮三级混合匹配来实现较大传动比,带动手钻作高速旋转运动来实现,声光报警呼救通过手摇发电装置,经芯片控制报警喇叭、LED高频闪烁灯的额定电参数来完成。详细介绍了呼救装置动力系统、机械传动系统以及声光报警呼救三大系统设计过程,研制样机经检测各项性能参数均符合设计要求。
The distress device mainly consists of a hand crank with a three-stage hybrid matching of a spur gear and a spiral bevel gear to realize a large transmission ratio and a hand drill for high-speed rotation movement. The acousto-optic alarm calls for help through a hand power generation device and is controlled by a chip Alarm horn, LED high-frequency flashing lights rated electrical parameters to complete. Described in detail the call for help the power system, mechanical transmission system and sound and light alarm call for help the three system design process, the development of the prototype after testing the performance parameters are in line with the design requirements.