The invention relates to the technical field of automobiles, and provides a charging and discharging control method and device for an automobile starting power supply, the charging and discharging control method and device are applied to an automobile starting control system, the control system comprises a control unit, a battery unit and a super capacitor unit, and the control method comprises the steps of obtaining a starting signal of the starting power supply based on the control unit; performing analog-to-digital conversion on the starting signal to obtain a digital signal; filtering the digital signal to obtain an output signal; amplifying the output signal to obtain an amplified signal, and performing level conversion on the amplified signal to obtain a charge-discharge control signal; and controlling the super capacitor unit to charge and discharge the starting power supply according to the charge and discharge control signal. Through processing modes of analog-to-digital conversion, filtering, logical operation, level conversion and the like, the accuracy and the stability of signals are ensured, the response speed and the reliability of the starting power supply are improved, and the problems of low energy conversion efficiency and response time delay in an extreme temperature condition or battery aging are solved.
本发明涉及汽车的技术领域,提供了一种汽车启动电源的充放电控制方法及装置,应用于汽车启动控制系统,控制系统包括控制单元、电池单元以及超级电容单元,控制方法包括:基于控制单元获取启动电源的启动信号,对启动信号进行模数转换,得到数字信号;对数字信号进行滤波处理,得到输出信号;对输出信号进行放大处理,得到放大信号,对放大信号进行电平转换,得到充放电控制信号;根据充放电控制信号控制超级电容单元对启动电源进行充放电。通过模数转换、滤波、逻辑运算和电平转换等处理方式,确保信号的准确性和稳定性,提升了启动电源的响应速度和可靠性,改善在极端温度条件或电池老化时,存在着能量转换效率低下和响应时间延迟的问题。
Charging and discharging control method and device for automobile starting power supply
一种汽车启动电源的充放电控制方法及装置
2025-02-14
Patent
Electronic Resource
Chinese
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY |
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