基于超级电容的汽车应急启动电源设计
2021-08-04王思原
王思原
摘 要:汽车应急启动电源也叫作便携式移动电源,起到的作用就是在电瓶亏或者其他原因的汽车无法启动过程中,可以作为一种应急电源,也是户外出行中必备的应急单品。汽车应急启动电源对电源的放电倍率要求很高,目前市场上有两种,一种是电池,另外一种是超级电容电池。在实际的使用过程中,电池产品在实际运行的环境下要求很高,并且充电时间很长,循环的寿命很短。然而超级电容电源不仅具有高效率,大电流放电的优势,同时循环寿命还长,可以适应应急启动的任何状况。
关键词:超级电容 汽车应急启动电源 设计
Design of Emergency Starting Power Supply for Automobile based on Super Capacitor
Wang Siyuan
Abstract:Car emergency starting power supply is also called a portable mobile power supply. It can be used as an emergency power supply when the battery is lost or the car cannot be started due to other reasons. It is also a necessary emergency item for outdoor travel. Automobile emergency starting power supplies have high requirements for the discharge rate of the power supply. At present, there are two types on the market, one is a battery, and the other is a supercapacitor battery. In the actual use process, battery products have very high requirements in the actual operating environment, and the charging time is very long, and the cycle life is short. However, the super capacitor power supply not only has the advantages of high efficiency and high current discharge, but also has a long cycle life, which can adapt to any situation of emergency start.
Key words:super capacitor, automobile emergency starting power supply, design
1 引言
汽车应急启动电源主要是确保汽车能够在常温的条件下启动汽车。现阶段,汽车应急启动电源都是通过锂离子或者是蓄电池储备电能。通常情况下温度范围在-20℃—60℃,正常的条件下都可以使用。但是因为蓄电池存在老化,或者是长时间搁置会造成发电机无法启动。另外,普通的锂离子电池如果存储一段时间,就会出现漏液,严重会引发爆炸等情况,不仅会影响车辆的启动,同时也会带来人身安全,因此,要改进汽车应急启动电源。
2 汽车应急启动电源设计理念
汽车应急启动电源在操作上比较简单,可以应对各种的突发情况。目前,市面上汽车应急启动电源分为两种,一种是蓄电池,以铅酸为主,另外一种是离子聚合物材料。其中蓄电池的汽车应急启动电源是一种传统的电池,主要是一种铅酸蓄电池,不仅体积很大,同时电池的容量和启动电流也会很大。……
