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1. WO2021059949 - ENERGY TRANSFER CIRCUIT, AND ELECTRICITY STORAGE SYSTEM

Publication Number WO/2021/059949
Publication Date 01.04.2021
International Application No. PCT/JP2020/033861
International Filing Date 08.09.2020
IPC
H02H 7/00 2006.01
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
7Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
H01M 10/44 2006.01
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
44Methods for charging or discharging
H01M 10/48 2006.01
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
48Accumulators combined with arrangements for measuring, testing or indicating condition, e.g. level or density of the electrolyte
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
H02J 7/02 2016.01
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
02for charging batteries from ac mains by converters
CPC
H01M 10/44
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
44Methods for charging or discharging
H01M 10/48
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
48Accumulators combined with arrangements for measuring, testing or indicating condition, e.g. level or density of the electrolyte
H02H 7/00
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
7Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
H02J 7/00
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
H02J 7/02
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
02for charging batteries from ac mains by converters
Applicants
  • パナソニックIPマネジメント株式会社 PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. [JP]/[JP]
Inventors
  • 倉貫 正明 KURANUKI Masaaki
Agents
  • 鎌田 健司 KAMATA Kenji
  • 野村 幸一 NOMURA Koichi
Priority Data
2019-17461625.09.2019JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) ENERGY TRANSFER CIRCUIT, AND ELECTRICITY STORAGE SYSTEM
(FR) CIRCUIT DE TRANSFERT D'ÉNERGIE ET SYSTÈME DE STOCKAGE D'ÉLECTRICITÉ
(JA) エネルギ移動回路、及び蓄電システム
Abstract
(EN)
A cell selecting circuit (11) is provided between n (where n is an integer at least equal to 2) cells (C1 to C4) that are connected in series, and an inductor (L1), and is capable of providing conduction between both ends of a selected cell and both ends of the inductor (L1). A clamp circuit (12) includes at least one clamp switch (Sc1 to Sc4) for forming a closed loop including the inductor (L1) in a state in which none of the cells (C1 to C4) is selected by the cell selecting circuit (11). A current detecting circuit (Rs, AP1) detects the value of a current flowing through the inductor (L1). A low pass filter (15) band-limits the detected value. An overcurrent detecting circuit (16) activates protection of the inductor (L1) if the band-limited detected value exceeds a threshold.
(FR)
Circuit de sélection de cellule (11) compris entre n (n étant un nombre entier au moins égal à 2) cellules (C1 à C4) qui sont connectées en série, et un inducteur (L1), et pouvant fournir une conduction entre les deux extrémités d'une cellule sélectionnée et les deux extrémités de l'inducteur (L1). Un circuit de fixation (12) comprend au moins un commutateur de fixation (Sc1 à Sc4) pour former une boucle fermée comprenant l'inducteur (L1) dans un état dans lequel aucune des cellules (C1 à C4) n'est sélectionnée par le circuit de sélection de cellule (11). Un circuit de détection de courant (Rs, AP1) détecte la valeur d'un courant circulant à travers l'inducteur (L1). Un filtre passe-bas (15) limite en bande la valeur détectée. Un circuit de détection de surintensité (16) active la protection de l'inducteur (L1) si la valeur détectée en bande limitée dépasse un seuil.
(JA)
セル選択回路(11)は、直列接続されたn(nは2以上の整数)個のセル(C1-C4)とインダクタ(L1)間に設けられ、選択セルの両端と、インダクタ(L1)の両端を導通可能である。クランプ回路(12)は、セル選択回路(11)がいずれのセル(C1-C4)も選択していない状態で、インダクタ(L1)を含む閉ループを形成するための少なくとも1つのクランプスイッチ(Sc1-Sc4)を有する。電流検出回路(Rs、AP1)は、インダクタ(L1)に流れる電流の値を検出する。ローパスフィルタ(15)は、検出値を帯域制限する。過電流検出回路(16)は、帯域制限された検出値が閾値を超えるとインダクタ(L1)の保護を発動する。
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