压电补气阀及其控制技术研究  

The Research of Piezoelectricity ACV and Control Technology

作　　者：刘宁庄[1] 杨建伟 王成利 

机构地区：[1]西安科技大学电气与控制工程学院,陕西西安710054 [2]国家摩托车质量监督检测中心 [3]西安康弘新材料科技有限公司

出　　处：《小型内燃机与摩托车》2012年第1期10-13,共4页Small Internal Combustion Engine and Motorcycle

摘　　要：介绍了电控化油器的基本工作原理及压电补气阀的机械结构及原理,通过对其压电方程、压电效应的理论分析,依据实际的双晶片尺寸计算出了补气阀的位移及力矩,并通过实际的测试,发现在100V、15Hz的PWM控制波形驱动下,该压电补气阀呈现出了良好的稳定性和一致性,较好地满足了电控化油器中对怠速智能补气的需求。该压电补气阀的设计原理及结构的可靠性验证已通过批量测试,并已满足绝大多数三轮车对国Ⅲ排放的要求。This paper introduces the basic work principle of electronic carburetor and mechanical structure of core component piezoelectric ACV.By its piezoelectric equation,the theory analysis of piezoelectric effect,according to the actual size calculated displacement and torque,and through the actual measure based on the test condition of 100V 15Hz PWM control waveform,the piezoelectric ACV appears a good stability and consistency.It meets the intelligent idle air compensation better.The reliability of design principle and structure of the piezoelectric ACV has been verified and passed the volume production,meanwhile it has satisfied the needs of the most tricycles of the emission standard（CHINA stage Ⅲ）.

关 键 词：电控化油器 补气阀 压电效应 

分 类 号：TK413.81[动力工程及工程热物理—动力机械及工程]