The invention discloses a battery charging and discharging circuit and a control method of a battery pack. The battery charging and discharging circuit comprises a first connecting end used for being connected with the positive electrode of a battery, a second connecting end used for being connected with the negative electrode of the battery, a first charging and discharging interface connected with the first connecting end and a second charging and discharging interface connected with the second connecting end through a switch module, and the second charging and discharging interface is grounded. The battery charging and discharging circuit further comprises a main control module, an isolation communication module and a signal line interface which are connected in sequence, the signal line interface is used for being connected with a controller through a signal line, and the switch module is connected with the main control module. According to the present invention, the problem that the manufacturing cost of the vehicle-mounted battery pack is higher can be solved.
本发明公开了一种电池充放电电路及电池包的控制方法,所述电池充放电电路包括用于与电池正极连接的第一连接端、用于与电池负极连接的第二连接端、与所述第一连接端连接的第一充放电接口以及通过开关模块与所述第二连接端连接的第二充放电接口,所述第二充放电接口接地;所述电池充放电电路还包括依次连接的主控模块、隔离通讯模块以及信号线接口,所述信号线接口用于通过信号线连接控制器,所述开关模块与所述主控模块连接。本发明能够解决车载电池包的制作成本较高的问题。
Battery charging and discharging circuit and control method of battery pack
电池充放电电路及电池包的控制方法
2021-07-27
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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