The invention relates to the technical field of power battery charging, in particular to an echelon utilization power battery charging control circuit and a charging control method.The control circuit comprises a vehicle-mounted charging pile, an energy storage converter unit, a high-voltage relay set and a battery family, and the vehicle-mounted charging pile is connected with the energy storage converter unit and the high-voltage relay set; the energy storage converter unit is externally connected with a commercial power charging interface, the high-voltage relay group is externally connected with a ground charging pile interface, and the high-voltage relay group is connected with the battery family; aiming at the conflict problem when multiple devices in a single set of system work, an energy multi-path coordination control system is designed, an inversion module and a rectification module are integrated, working loops of two charging piles, a PCS and four charging seats are coordinated through switching of multiple charging and discharging modes, meanwhile, an on-site background of the system controls a multi-path control cabinet of the single set of system according to the working modes, and the multi-path control cabinet of the single set of system is controlled. And the system can meet various use scenes such as direct-current charging and alternating-current feed networks.
本发明涉及动力电池充电技术领域,具体涉及一种梯次利用动力电池充电控制电路及充电控制方法,控制电路包括车载充电桩、储能变流器单元、高压续电器组以及电池族,车载充电桩分别与储能变流器单元和高压续电器组连接,储能变流器单元外接市电充电接口,高压续电器组外接地面充电桩接口,且高压续电器组与电池族连接;本发明针对单套系统内部多设备工作时冲突问题,设计了能量多路协调控制系统,集成逆变和整流两大模块,通过多种充放电模式切换,协调2台充电桩、PCS、4个充电座的工作回路,同时系统的就地后台根据工作模式,控制单套系统的多路控制柜,使得系统能满足直流充电、交流馈网等各种使用场景。
Charging control circuit and charging control method for echelon utilization power battery
一种梯次利用动力电池充电控制电路及充电控制方法
2022-05-10
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 / 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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