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1. WO2019001513 - POWER MANAGEMENT SYSTEM FOR MULTIPLE BATTERIES

Publication Number WO/2019/001513
Publication Date 03.01.2019
International Application No. PCT/CN2018/093364
International Filing Date 28.06.2018
Chapter 2 Demand Filed 30.04.2019
IPC
H02J 7/00 2006.1
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
7Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
CPC
H01M 2010/4271
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
425Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
4271Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
H02J 7/0016
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
7Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
0013acting upon several batteries simultaneously or sequentially
0014Circuits for equalisation of charge between batteries
0016using shunting, discharge or bypass circuits
H02J 7/0019
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
7Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
0013acting upon several batteries simultaneously or sequentially
0014Circuits for equalisation of charge between batteries
0019using switched or multiplexed charge circuits
H02J 7/0024
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
7Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
0013acting upon several batteries simultaneously or sequentially
0024Parallel/serial switching of connection of batteries to charge or load circuit
Y02E 60/10
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
60Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
10Energy storage using batteries
Applicants
  • 天扬精密科技股份有限公司 TEAM YOUNG TECHNOLOGY CO., LTD. [CN]/[CN]
Inventors
  • 林子闵 LIN, Tz-Min
Agents
  • 北京律诚同业知识产权代理有限公司 LECOME INTELLECTUAL PROPERTY AGENT LTD.
Priority Data
201710522942.X30.06.2017CN
Publication Language Chinese (zh)
Filing Language Chinese (ZH)
Designated States
Title
(EN) POWER MANAGEMENT SYSTEM FOR MULTIPLE BATTERIES
(FR) SYSTÈME DE GESTION DE PUISSANCE DE MULTIPLES BATTERIES
(ZH) 多节电池的电力管理系统
Abstract
(EN) A power management system for multiple batteries in the present invention comprises N batteries and a power supply control device, N being a positive integer. The power supply control unit enables N-1 batteries to form a charge/discharge circuit, and detects the storage capacity of each of the N batteries respectively. A battery not allocated to the charge/discharge circuit is defined as an off-line battery. When a result of a comparison between the storage capacity of each of the N-1 batteries and the storage capacity of the off-line battery satisfies a condition, the power supply control device selects one of the N-1 batteries, makes the battery disconnected from the charge/discharge circuit and enables the offline battery to be added to the charge/discharge circuit, and the disconnected battery becomes a new offline battery. Accordingly, the power management system for multiple batteries can effectively improve the use efficiency of the batteries and prolong the use time and the service life of the batteries.
(FR) La présente invention concerne un système de gestion de puissance de multiples batteries comprenant N batteries et un dispositif de commande d'alimentation électrique, N étant un nombre entier positif. L'unité de commande d'alimentation électrique permet à N-1 batteries de former un circuit de charge/décharge, et détecte respectivement la capacité d'accumulation de chacune des N batteries. Une batterie non attribuée au circuit de charge/décharge est définie comme une batterie hors ligne. Lorsqu'un résultat d'une comparaison entre la capacité d'accumulation de chacune des N-1 batteries et la capacité d'accumulation de la batterie hors ligne satisfait une condition, le dispositif de commande d'alimentation électrique sélectionne l'une des N-1 batteries, déconnecte la batterie du circuit de charge/décharge et permet d'ajouter la batterie hors ligne au circuit de charge/décharge, et la batterie déconnectée devient une nouvelle batterie hors ligne. Par conséquent, le système de gestion de puissance de multiples batteries permet d'améliorer efficacement le rendement d'utilisation des batteries et de prolonger le temps d'utilisation et la durée de vie des batteries.
(ZH) 本发明的多节电池的电力管理系统,包括N个电池及一电源控制装置。N是正整数。电源控制装置将N-1个电池形成一充电/放电回路,且分别检测N个电池的个别蓄电容量。未被分配在充电/放电回路的该电池定义为一离线电池。在N-1个电池的各别蓄电容量分别与离线电池的蓄电容量相比较的结果符合一切换条件时,电源控制装置选择N-1个电池的其中一者自充电/放电回路中断开,并将离线电池加入充电/放电回路,被断开的该电池成为新离线电池。如此,多节电池的电力管理系统可以有效提升电池的使用效率,还可延长使用时间及电池寿命。
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