The invention relates to a multifunctional hybrid battery system based on battery unit layer power redistribution, provides a robust solution for meeting the requirements of different energy systems for energy and power capacity, and further improves the operation efficiency of the battery system. The multifunctional hybrid battery system comprises a high-power battery, a high-energy battery, a bidirectional direct-current converter, a driving module, a signal acquisition and processing module, a power distribution controller and a low-temperature self-heating controller. Wherein one high-energy battery pack connected in series is connected with a load in parallel, and each high-energy battery unit is connected with the high-power battery unit in parallel through a bidirectional direct-current converter to form a hybrid battery power unit. The power distribution controller can adjust the working modes of the high-power battery and the high-energy battery in real time according to the battery state and the required power, and the operation efficiency of the battery system is improved. The hybrid battery system also relates to a low-temperature self-heating function without additional accessories, that is, at low temperature, the low-temperature self-heating controller can drive the bidirectional direct-current converter to realize bidirectional pulse heating between the high-energy battery and the high-power battery. The hybrid battery system provided by the invention has the advantages of high controllability and good universality, and has relatively strong application potential in the fields of electric vehicles and energy storage.
本发明涉及一种基于电池单元层功率重分配的多功能型混合电池系统,为解决不同能源系统对能量和功率容量需求提出了鲁棒性解决方案,并进一步提高电池系统的操作效能。所发明的多功能型混合电池系统包括高功率电池、高能量电池、双向直流变换器和驱动模块、信号采集处理模块、功率分配控制器以及低温自加热控制器。其中一个串联的高能量电池包与负载相并联,而每一个高能量电池单元都经过双向直流变换器与高功率电池单元并联,形成混合电池功率单元。功率分配控制器可根据电池状态和需求功率实时调节高功率电池和高能量电池的工作模式,改善电池系统的操作效能。所述的混合电池系统还涉及一种无需额外附件的低温自加热功能,即在低温下,低温自加热控制器可驱动双向直流变换器实现高能量电池和高功率电池之间双向脉冲加热。本发明提出的混合电池系统具有可控性高、普适性好的优点,在电动汽车和储能领域具有较强的应用潜力。
Multifunctional hybrid battery system based on battery unit layer power redistribution
一种基于电池单元层功率重分配的多功能型混合电池系统
2023-06-23
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 / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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 / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen |
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