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1. WO2020244465 - BATTERY SYSTEM OF VEHICLE, CHARGING AND DISCHARGING METHOD, AND VEHICLE

Publication Number WO/2020/244465
Publication Date 10.12.2020
International Application No. PCT/CN2020/093411
International Filing Date 29.05.2020
IPC
B60L 58/19 2019.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
58Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
10for monitoring or controlling batteries
18of two or more battery modules
19Switching between serial connection and parallel connection of battery modules
B60L 53/14 2019.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
53Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
10characterised by the energy transfer between the charging station and the vehicle
14Conductive energy transfer
H02J 7/00 2006.01
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
B60L 3/0046
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES
3Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
0023Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
0046relating to electric energy storage systems, e.g. batteries or capacitors
B60L 53/14
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES
53Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
10characterised by the energy transfer between the charging station and the vehicle
14Conductive energy transfer
B60L 53/66
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES
53Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
60Monitoring or controlling charging stations
66Data transfer between charging stations and vehicles
B60L 58/18
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES
58Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
10for monitoring or controlling batteries
18of two or more battery modules
Y02T 10/70
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
TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
10Road transport of goods or passengers
60Other road transportation technologies with climate change mitigation effect
70Energy storage systems for electromobility, e.g. batteries
Y02T 10/7072
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
TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
10Road transport of goods or passengers
60Other road transportation technologies with climate change mitigation effect
7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
Applicants
  • 宁波吉利汽车研究开发有限公司 NINGBO GEELY AUTOMOBILE RESEARCH AND DEVELOPMENT CO., LTD [CN]/[CN]
  • 浙江吉利控股集团有限公司 ZHEJIANG GEELY HOLDINGS GROUP CO.,LTD [CN]/[CN]
Inventors
  • 蒋观峰 JIANG, Guanfeng
  • 王彬 WANG, Bin
  • 隋涛 SUI, Tao
Agents
  • 广州三环专利商标代理有限公司 SCIHEAD IP LAW FIRM
Priority Data
201910477476.703.06.2019CN
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) BATTERY SYSTEM OF VEHICLE, CHARGING AND DISCHARGING METHOD, AND VEHICLE
(FR) SYSTÈME DE BATTERIE DE VÉHICULE, PROCÉDÉ DE CHARGE ET DE DÉCHARGE, ET VÉHICULE
(ZH) 一种车辆的电池系统、充放电方法及车辆
Abstract
(EN)
A battery system of a vehicle, a charging and discharging method, and a vehicle. The battery system of a vehicle comprises an energy storage device (1) and a direct current charging and discharging interface (2) connected to each other. The energy storage device (1) comprises a first battery pack (17) and a second battery pack (18). A first inter-battery switch (11) and a second inter-battery switch (12) are provided between adjacent battery packs. An incoming line end (111) of the first inter-battery switch (11) is connected to a first electrode of the first battery pack (17). A first outgoing line end (112) of the first inter-battery switch (11) is connected to a first electrode of the energy storage device (1). A second outgoing line end (113) of the first inter-battery switch (11) is connected to a first outgoing line end (112) of the second inter-battery switch (12). A second outgoing line end (113) of the second inter-battery switch (12) is connected to a second electrode of the energy storage device (1). An incoming line end (111) of the second inter-battery switch (12) is connected to a second electrode of the second battery pack (18). A first electrode of the direct current charging and discharging interface (2) is connected to the first electrode of the energy storage device (1). A second electrode of the direct current charging and discharging interface (2) is connected to the second electrode of the energy storage device (1). The invention solves the problem in which a battery pack of a high-voltage platform cannot be charged by means of a low-voltage charging pile.
(FR)
L'invention concerne un système de batterie d'un véhicule, un procédé de charge et de décharge, et un véhicule. Le système de batterie d'un véhicule comprend un dispositif de stockage d'énergie (1) et une interface de charge et de décharge de courant continu (2) reliés l'un à l'autre. Le dispositif de stockage d'énergie (1) comprend un premier bloc-batterie (17) et un second bloc-batterie (18). Un premier commutateur inter-batterie (11) et un second commutateur inter-batterie (12) sont disposés entre des blocs-batteries adjacents. Une extrémité de ligne entrante (111) du premier commutateur inter-batterie (11) est connectée à une première électrode du premier bloc-batterie (17). Une première extrémité de ligne sortante (112) du premier commutateur inter-batterie (11) est connectée à une première électrode du dispositif de stockage d'énergie (1). Une seconde extrémité de ligne sortante (113) du premier commutateur inter-batterie (11) est connectée à une première extrémité de ligne sortante (112) du second commutateur inter-batterie (12). Une seconde extrémité de ligne sortante (113) du second commutateur inter-batterie (12) est connectée à une seconde électrode du dispositif de stockage d'énergie (1). Une extrémité de ligne entrante (111) du second commutateur inter-batterie (12) est connectée à une seconde électrode du second bloc-batterie (18). Une première électrode de l'interface de charge et de décharge de courant continu (2) est connectée à la première électrode du dispositif de stockage d'énergie (1). Une seconde électrode de l'interface de charge et de décharge de courant continu (2) est connectée à la seconde électrode du dispositif de stockage d'énergie (1). L'invention résout le problème selon lequel un bloc-batterie d'une plate-forme à haute tension ne peut pas être chargé au moyen d'une pile de charge basse tension.
(ZH)
一种车辆的电池系统、充放电方法及车辆,包括:相互连接的储能装置(1)和直流充放电接口(2);储能装置(1)包括第一电池组(17)和第二电池组(18),相邻电池组之间设置有第一电池间开关(11)和第二电池间开关(12);第一电池间开关(11)的进线端(111)连接第一电池组(17)的第一电极,第一电池间开关(11)的第一出线端(112)连接储能装置(1)的第一电极,第一电池间开关(11)的第二出线端(113)连接第二电池间开关(12)的第一出线端(112);第二电池间开关(12)的第二出线端(113)连接储能装置(1)的第二电极,第二电池间开关(12)的进线端(111)连接第二电池组(18)的第二电极;直流充放电接口(2)的第一电极连接储能装置(1)的第一电极,直流充放电接口(2)的第二电极连接储能装置(1)的第二电极。解决高压平台电池组无法通过低压充电桩充电的问题。
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