Current-limiting control system of parallel battery packs and control method thereof

A technology of current-limiting control and battery pack, applied in secondary batteries, battery circuit devices, charging/discharging of secondary batteries, etc., can solve the problems of blown fuses, large space utilization, affecting the normal operation of battery packs, etc. Achieve the effect of ensuring charging and discharging efficiency and ensuring normal work

Pending Publication Date: 2018-06-29
OPTIMUM BATTERY CO LTD
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Problems solved by technology

Due to the large capacity, high cycle times, and high space utilization of the power supply of the communication base station, multiple battery packs are generally connected in parallel. However, due to the difference in the voltage of the battery packs, when the parallel battery packs are running, a battery pack with high voltage will be formed between the b

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  • Current-limiting control system of parallel battery packs and control method thereof
  • Current-limiting control system of parallel battery packs and control method thereof
  • Current-limiting control system of parallel battery packs and control method thereof

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[0014] In order to make the objectives, technical solutions, and beneficial technical effects of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described implementation The modes are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0015] See figure 1 , figure 1 It is a functional block diagram of a current limiting control system 10 for parallel battery packs provided by the present invention. The parallel battery pack current limiting control system 10 is applied in a communication base station to limit the circulating current of the paral...

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Abstract

The invention discloses a current-limiting control method of parallel battery packs. The current-limiting control method is applied to communication base stations and is used for limiting size of circulation current of the parallel battery packs during charging and discharging. The parallel battery packs comprises a plurality of parallel battery packs; the parallel battery pack current-limiting control method comprises the following steps: reading current-limiting information of the parallel battery packs and detecting the number of the parallel battery packs and matching corresponding current-limiting information according to the detected number of the parallel battery packs; controlling a current limiting unit to limit the current of the parallel battery packs level by level according toa current limiting value of each current limiting level and preset current-limiting time. The invention also provides a current-limiting control system of parallel battery packs.

Description

【Technical field】 [0001] The invention relates to the technical field of battery management, in particular to a parallel battery pack current limiting control system and control method. 【Background technique】 [0002] With the strengthening of policy support, the acceleration of the construction of supporting facilities, and the environmental background of comprehensive promotion and application in various places, new energy vehicles have maintained rapid growth and the industry has a bright future. Especially with the continuous expansion of the types of new energy vehicles, the application fields of lithium-ion batteries are also expanding. In addition to being used in small power systems, such as electric tools and electric power-assisted tricycles, lithium-ion batteries are also gradually used in communication base stations. Due to the large capacity, high cycle times, and high space utilization of the power supply of the communication base station, multiple battery pack...

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Application Information

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IPC IPC(8): H02J7/00H02J7/34H01M10/44
CPCH01M10/441H02J7/00H02J7/0029H02J7/34Y02E60/10
Inventor 邓宏王新锋饶睦敏李瑶李金林
Owner OPTIMUM BATTERY CO LTD
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