柴油机预热减排陶瓷电热塞的研究  

The Study about Ceramic Glow Plug Used in Diesel Preheating and Improving Emission

作　　者：武龙 

机构地区：[1]南京奥联汽车电子电器有限公司,江苏南京211153

出　　处：《农业装备与车辆工程》2010年第4期49-51,54,共4页Agricultural Equipment & Vehicle Engineering

摘　　要：利用功能陶瓷的电热原理制作发热体,通过对发动机缸内燃油加热点燃,从而提高柴油机在低温下的冷起动性能及降低蓝烟排放,此类陶瓷电热塞最快的发热速度可满足达到850℃的时间小于2S。为达到这一要求,需根据功能陶瓷的性能特点合理选择材料,合理进行配料的选择以及发热体烧结工艺的选择。此类特殊的陶瓷电热塞以其优良的发热特性优势和使用寿命的优势将会被越来越多的高端发动机产品市场所接受。By using the electrothermal principle of functional ceramics to produce high-temperature,the fuel oil is heated to certain temperature by glow plug in the diesel engine cylinder,so that the engine starting performance can be improved at low temperature,and blue smoke emission can be reduced too.The fastest speed of ceramic glow plug heating up to 850 ℃ may be less than 2s.In order to achieve this requirement it needs to select different ceramic materials to fabricate glow plugs according to the ceramic performance and characteristics,and a reasonable choice of ingredients as well as the choice of heater sintering process are also very important.These kinds of special ceramic glow plugs possess excellent heating features and using life,and will be accepted in more and more high-end engine market.

关 键 词：电热塞 预热 冷起动 柴油机 全陶瓷电热塞 

分 类 号：TK421.2[动力工程及工程热物理—动力机械及工程]