在如何提高火花塞的工作质量方面有多种方法 ,但是其中最重要的一个问题还没有得到解决 ,那就是火花塞工作的热学模型问题。理想的火花塞应该能在点火的瞬间被立刻加热 ,并且在接下来的电脉冲过程中迅速冷却 ,由此在热量的存储与散发之间取得平衡 ,以避免自点火。本文力图展示一种具有自动调节源于点火区域热流能力的火花塞 ,其技术的关键是顶部绝缘体材料 ,它是由蓝宝石单晶制作 ,而非传统的氧化铝陶瓷。 There are many ways to improve the quality of spark plug work, but one of the most important issues has not been resolved, that is, the thermal model of spark plug work. The ideal spark plug should be instantly heated at the moment of ignition and quickly cooled down during the subsequent electric pulse, thereby balancing the heat storage and dissipation to prevent self ignition. This article seeks to demonstrate a spark plug that has the ability to automatically regulate the heat flow from the ignition area. The key to its technology is the top insulator material, which is made of sapphire instead of the traditional alumina ceramic.