论文部分内容阅读
混动车两大瓶颈何时能突破,如何尽快打破节能环保产品叫好不叫座的尴尬局面?从全球经验来看,节能环保型产品实现畅销要有两个必要条件,一个是政府要给予应有支持,因为毕竟其生产成本是偏高的。第二就是消费者的环保意识要进一步提升。随着世界石油资源危机的加剧,油价逐日攀升;加之环境日益恶化,人们环保意识增强,一些被誉为可以节能减排的汽车—“新能源汽车”开始引起了人们的关注。20世纪90年代以来,世界各国对改善环保的呼声日益高涨,各种各样的电动汽车脱颖而出。虽然人们普遍认为未来是电动汽车的天下,但是目前的电池技术问题阻碍了电动汽车的应用。由于电池的能量密度与汽油相比差上百倍,远未达到人们所要求的数值,专家估计在10年以内电动汽车还无法取代燃油发动机汽车(除非燃料电池技术有重大突破)。现实迫使工程师们想出了一个两全其美的办法,开发了一种混合驱动汽车,按照所用蓄能器形式的不同,大致可分为飞轮储能、液压储能和蓄电池储能等三种,目前的混合驱动汽车主要着眼于对使用内燃机-蓄电池混合驱动的研究。混合动力电动汽车(Hybrid-Electric Vehicel:HEV)是指包含两种或两种以上动力源并能协调工作的车辆。利用电能来减少汽油(或柴油)的消耗是混合动力汽车节油的方式:利用电动机瞬间高扭矩输出的特性,弥补、改善车辆启动、加速时能量消耗大的问题。同时,利用减速、刹车对电池进行充电,达到能量回收的目的。
When the two major bottlenecks of hybrid vehicles can break through, how to break the embarrassing situation of energy-saving and environmentally friendly products as soon as possible? From global experience, there are two necessary conditions for achieving the best-selling energy-saving and environment-friendly products. One is that the government should give due support , Because after all its production costs are high. The second is that consumer awareness of environmental protection to further enhance. With the worsening of the world oil resource crisis, oil prices have been rising day by day. In addition to the deteriorating environment, people have become more aware of environmental protection. Some cars, which are regarded as energy-saving and emission-reducing, have drawn people’s attention. Since the 90s of the 20th century, the voices of various countries in the world for improving environmental protection have been on the rise. Various electric vehicles have come to the fore. Although it is generally believed that the future is the world of electric vehicles, the current battery technology issues have hindered the application of electric vehicles. As the battery’s energy density is a hundredfold worse than that of gasoline, well below the required level, experts estimate that electric vehicles can not replace a fuel-powered car within 10 years unless there is a major breakthrough in fuel cell technology. Reality forced engineers to come up with a way to the best of both worlds, developed a hybrid-driven vehicles, according to the different forms of accumulators can be divided into flywheel energy storage, hydraulic storage and storage of energy storage and other three, the current Hybrid drive vehicles mainly focus on the use of internal combustion engine - battery hybrid drive research. Hybrid-Electric Vehicel (HEV) is a vehicle that contains two or more power sources and can work in coordination. The use of electric energy to reduce the consumption of gasoline (or diesel) is a fuel-efficient hybrid vehicle approach: the use of motor instantaneous high torque output characteristics to make up for and improve the vehicle start-up, acceleration energy consumption problems. At the same time, the use of deceleration, braking the battery charge, to achieve the purpose of energy recovery.