Battery module charging/discharging control method and battery system
A charge and discharge control, battery module technology, applied in the field of battery charge and discharge
Active Publication Date: 2017-07-28
陈嘉贤 +1
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[0036] The battery system of the present invention includes multiple battery modules. A typical example is image 3 As shown, multiple battery modules can be arranged in m rows and n columns and can be loaded in a container. For example, when the battery system is a battery system used in an electric vehicle, a plurality of battery modules are loaded in a specific container of the electric vehicle. Of course, the battery system can also be a battery system used in other fields, such as a battery system used in various occasions such as electronic equipment, instrumentation, and mechanical equipment. Of course, multiple battery modules are not necessarily placed in one container, and multiple battery modules are not necessarily arranged in multiple rows and multiple columns, and may be arranged in a straight line or arranged in other ways.
[0037] The battery system of the present invention is also provided with a controller 20 for controlling the charging and / or discharging of m...
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The present invention provides a battery module charging / discharging control method and a battery system. The battery module charging / discharging control method comprises: determining the charging priority levels of a plurality of battery modules in a battery system, and controlling the battery module with a high charging priority level to be preferentially charged compared to the battery module with a low charging priority level when controlling the charging of the plurality of the battery modules; and determining the discharging priority levels of the plurality of the battery modules in the battery system, and controlling the battery module with a high discharging priority level to be preferentially discharged compared to the battery module with a low discharging priority level when controlling the discharging of the plurality of the battery modules, wherein the determination of the charging / discharging priority levels of the plurality of the battery modules in the battery system is regulating the charging / discharging priority levels of the battery modules according to the remaining capacity and / or the external selection command of the battery modules, the battery system has a controller and the plurality of the battery modules, and the controller is used for controlling the charging / discharging of the plurality of the battery modules so as to achieve the charging / discharging method. According to the present invention, by regulating the average degree of the remaining capacities of various battery modules, the remaining capacity of the individual battery module can be reduced to more than or less than the remaining capacity of the battery module to be replaced.
Description
Technical field [0001] The present invention relates to the field of battery charging and discharging, and in particular to a method for controlling the charging and discharging of battery modules and a battery system implementing such a method. Background technique [0002] Batteries have the function of storing electric energy and have been widely used. Existing instruments, electronic equipment, industrial devices, and even automobiles use a large number of batteries for power supply. However, the electric energy stored by a single battery is often limited. For devices and automobiles with a large amount of electricity, a battery system with multiple battery modules is used to supply power. The battery module can be a single accumulator, or it can be a separate part of the battery system that can be removed, installed, and replaced. [0003] E.g, figure 1 What is shown is a battery system with a plurality of battery modules. The battery system has battery modules arranged in m...
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Login to View More IPC IPC(8): H01M10/44
CPCH01M10/441Y02E60/10
Inventor 陈嘉贤梁叔螭
Owner 陈嘉贤