一、用二极管与断电器防止蓄电池倒流烧毁交流发电机和硅二极管 交流发电机和直流发电机相比,由于它具有体积小、重量轻、结构简单、维修方便,低速充电性能好等优点,在汽车上的应用已渐渐增多。但是交流发电机是负极搭铁(也有极少数是正极搭铁的),接蓄电池接线时正、负极是绝对不许可接反的,否则蓄电池电倒流,将烧毁所有硅整流管。而个别粗心大意的司机和初学汽车电器的人,往往易把蓄电池的正、负极极性接错,使蓄电池的电倒流,造成烧毁硅二极管等故障。为避免倒电流造成不必要的损失, First, the use of diodes and cut-off to prevent battery backflow burned alternator and silicon diode alternator and DC generator compared to its small size, light weight, simple structure, easy maintenance, low-speed charging performance and so on, in the The use of cars has gradually increased. However, the alternator is a negative ground (there are a handful of positive ground), then the battery is connected positive and negative is absolutely not allowed to be reversed, otherwise the battery electric reverse flow, will burn all the silicon rectifier. The individual careless drivers and beginners automotive electrical people, often easy to battery positive and negative polarity wrong, so that battery electric reverse flow, resulting in burning silicon diodes and other failures. In order to avoid unnecessary losses caused by the reverse current,