The invention belongs to the technical field of cubesats, and particularly relates to an equalization circuit applied to a cubesat lithium battery pack. The equalization circuit comprises a battery charging circuit, an enabling circuit and an equalization sub-module, wherein the front end of the battery charging circuit is connected with a solar cell array and a thermistor which are independently provided by a cubesatfor the equalization circuit, the rear end of the battery charging circuit is connected with the input end of the equalization sub-module, the rear end of the equalization sub-module is connected with the positive electrode and the negative electrode of a lithium battery, the enabling circuit enables the equalization sub-module under the control of a power supply lower computer so as to close the controllable switch of the equalization sub-module, and the battery charging circuit charges the single batteries to be equalized. According to the invention, electric energy generated by the solar cell array is supplemented to the batteries with low energy in the battery pack to achieve equalization of the battery pack, and the system is suitable for the field of cubesat, easy to control, safe and high in efficiency.
本发明属于立方星技术领域,具体涉及一种应用于立方星锂电池组的均衡电路。包括电池充电电路、使能电路和均衡子模块。电池充电电路前端接立方星单独为均衡电路提供的太阳能电池阵和热敏电阻,后端接均衡子模块输入端,均衡子模块后端接锂电池的正负极,使能电路在电源下位机的控制下对均衡子模块进行使能,使得均衡子模块的可控开关闭合,电池充电电路便对需要均衡单体电池进行充电。本发明将太阳能电池阵产生的电能补充给电池组能量较低的电池,来实现电池组的均衡,适用于立方星领域,控制简单,安全且效率高。
Equalization circuit applied to cubesat lithium battery pack
一种应用于立方星锂电池组的均衡电路
2021-12-17
Patent
Electronic Resource
Chinese
IPC: | B64G Raumfahrt , COSMONAUTICS / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / 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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