The invention relates to a battery pack discharge power control system and method. The battery pack discharge power control system comprises a main battery pack, an auxiliary battery pack, a DC/DC charging module and a control module, wherein the main battery pack is a high-capacity battery pack, the auxiliary battery pack is a high-power battery pack, the auxiliary battery pack is arranged on a first branch, the first branch is connected with the main battery pack in parallel, two ends of the first branch are respectively connected with a positive electrode and a negative electrode of the main battery pack, and an electronic switch and a diode are sequentially connected with the auxiliary battery pack in series on the first branch; the DC/DC charging module is connected between the main battery pack and the auxiliary battery pack and used for charging the auxiliary battery pack with the electric quantity of the main battery pack; the control module is electrically connected with the electronic switch and the DC/DC charging module; tand he control module is provided with an acquisition module for acquiring the output current of the main battery pack. The high-capacity-density battery pack and the high-power-density battery pack are organically combined, the effect of considering the high capacity density and the high power density is achieved, the cost is low, and the size is small.
本发明涉及一种电池组放电功率控制系统及方法,电池组放电功率控制系统包括主电池组、辅助电池组、DC/DC充电模块及控制模块,主电池组为高容量电池组,辅助电池组为高功率电池组,辅助电池组设置在第一支路上,第一支路与主电池组并联,且第一支路的两端分别连接主电池组的正极、负极,第一支路上与辅助电池组依次串接的有电子开关、二极管;DC/DC充电模块连接在主电池组与辅助电池组之间,用于将主电池组的电量给辅助电池组充电;控制模块与电子开关、DC/DC充电模块电连接;控制模块具有采集主电池组输出电流大小的采集模块。将高容量密度的电池组和高功率密度的电池组进行有机结合,达到高容量密度和高功率密度的兼顾效果,且成本低,体积小。
Battery pack discharge power control system and method
电池组放电功率控制系统及方法
2020-07-31
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 / 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 |
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