Battery control system
A battery control and battery management system technology, applied in battery circuit devices, arrangement of multiple synchronous batteries, collectors, etc., can solve the problem that the battery management system cannot be directly connected, so as to avoid the phenomenon of large current mutual charging and reduce the The effect on the probability of system failure
Pending Publication Date: 2018-03-13
海口未来技术研究院
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Problems solved by technology
[0005] Aiming at the problem that the battery management system in the related art cannot be directly connected to the power supply bus, the present invention proposes a battery control system, which can realize constant current or constant voltage charging of the battery pack by using the power supply bus by using the same port for charging and discharging.
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[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art fall within the protection scope of the present invention.
[0021] According to an embodiment of the present invention, a battery control system is provided.
[0022] like figure 1 As shown, the battery control system according to the embodiment of the present invention includes:
[0023] A positive electrode access terminal PA and a negative electrode access terminal PB, and a charging device (not shown) or an electrical load (not shown) is connected between the positive electrode access terminal PA and the negative elect...
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The invention discloses a battery control system. The battery control system comprises a positive electrode access end and a negative electrode access end, a charging module, a discharging module, a battery management system, and a battery, wherein the positive electrode access end and the negative electrode access end are connected to a positive electrode and a negative electrode of charging equipment or an electrical load respectively; the charging module comprises a charging control switch; the discharging module comprises a discharging control switch; the battery management system controlsswitch-on and / or switch-off of the charging control switch and the discharging control switch; the battery is connected to the battery management system; when the charging equipment is connected, thedischarging control switch is switched off, the charging control switch is switched on at predetermined time interval, and the charging module forms a charging circuit; and when a load is connected,the charging control switch is switched off, the discharging control switch is switched on, and the discharging module forms a discharging circuit. By adoption of the charging-discharging shared-portmode, constant current or constant voltage charging for a battery pack through a power supply bus can be realized, so that a high-current mutual-charging phenomenon easily caused in parallel operationof multiple battery packs can be avoided.
Description
technical field [0001] The present invention relates to the technical field of batteries, and in particular, to a battery control system. Background technique [0002] With the continuous development of energy storage technology, more and more devices begin to use uninterruptible power supply systems powered by AC / DC and batteries. However, when multiple batteries are used in series or in parallel, due to certain differences between single batteries, one battery may be overcharged or overdischarged before other batteries during the charging or discharging process. Therefore, in practical applications, it is necessary to configure There is a battery management system (BMS, BATTERY MANAGEMENT SYSTEM) to collect battery data, monitor battery status, control battery charging and discharging, prevent battery overcharging and overdischarging, and prolong battery life. Since the power supply bus is a regulated power supply composed of AC / DC outputs, the battery management system w...
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IPC IPC(8): H02J7/00
CPCH02J7/0013H02J7/0063H02J7/007
Inventor 不公告发明人
Owner 海口未来技术研究院