Communication power supply system used in series parallel connection of batteries

Abstract

A communication power supply system used in series parallel connection of batteries includes an alternating current inlet unit, a rectification unit group and a battery pack. The rectification unit group includes four rectification units M11, M12, M13 and M14. The four rectification units M11, M12, M13 and M14 are connected in parallel, and the battery pack comprises four storage batteries B11, B12, B13 and B14 and also comprises a controller connected to the rectification units. Through the novel communication rectification units, one-to-one charging and discharging management is performed onthe batteries, requirements on consistency of the batteries are lowered, hybrid use of new and old batteries of different brands can be implemented, a single damaged battery is replaced, and the battery utilization rate is improved.

Description

【Technical field】 [0001] The invention relates to the field of communication power supply systems, in particular to a communication power supply system using batteries connected in series and parallel. 【Background technique】 [0002] With the development of communication and electronic information technology, the communication power supply system using batteries connected in series and parallel is widely used in the communication field. The batteries in the existing communication power system have differences between single batteries due to the process of production and use. At the same time, the system cannot manage a single battery, resulting in a further increase in the difference, and the decrease in the capacity of a single battery affects the capacity of the entire battery pack. [0003] The battery is connected in series, the single battery cell is open circuit, the internal short circuit of the battery, and the series connection line between the batteries are unreli...

AI Technical Summary

Problems solved by technology

In the case of AC power loss, the battery will not be able to discharge normally, which will affect the normal operation of the entire communication power system

[0004] The batteries are connected in series, and the capacity of a single battery is reduced or damaged. In order to maintain the consistency of the battery, the entire battery pack needs to be replaced, and the battery is wasted too much

[0005] When the DC feeder is short-circuited or overloaded, because the module cannot provide enough power for a short time, the feeder switch cannot trip, thereby lowering the voltage of the feeder bus and affecting the operation of the system

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