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1. WO2021060062 - IMPACT DETECTION DEVICE AND POWER STORAGE PACK

Publication Number WO/2021/060062
Publication Date 01.04.2021
International Application No. PCT/JP2020/034800
International Filing Date 15.09.2020
IPC
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
G01P 15/00 2006.01
GPHYSICS
01MEASURING; TESTING
PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION OR SHOCK; INDICATING PRESENCE OR ABSENCE OF MOVEMENT;  INDICATING DIRECTION OF MOVEMENT 
15Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
G01P 15/18 2013.01
GPHYSICS
01MEASURING; TESTING
PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION OR SHOCK; INDICATING PRESENCE OR ABSENCE OF MOVEMENT;  INDICATING DIRECTION OF MOVEMENT 
15Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
18in two or more dimensions
H01M 50/20 2021.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
50Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
H02J 7/04 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
02for charging batteries from ac mains by converters
04Regulation of the charging current or voltage
CPC
G01P 15/00
GPHYSICS
01MEASURING; TESTING
PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
15Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
G01P 15/18
GPHYSICS
01MEASURING; TESTING
PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
15Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
18in two or more dimensions
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
H01M 50/20
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
50Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
H02J 7/04
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
04Regulation of charging current or voltage
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
  • 山中 孝生 YAMANAKA Koki
  • 黒崎 雄太 KUROSAKI Yuta
Agents
  • 鎌田 健司 KAMATA Kenji
  • 野村 幸一 NOMURA Koichi
Priority Data
2019-17730127.09.2019JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) IMPACT DETECTION DEVICE AND POWER STORAGE PACK
(FR) DISPOSITIF DE DÉTECTION D'IMPACT ET BLOC DE STOCKAGE D'ÉNERGIE
(JA) 衝撃検出装置、及び蓄電パック
Abstract
(EN)
In this impact detection device (10) to be mounted on a power storage pack (1), an impact detection circuit detects an impact outside a permissible range by comparing three-axis detection values output from a three-axis acceleration sensor with threshold values respectively set to different values according to the mechanical characteristics of the power storage pack (1). For example, the power storage pack (1) comprises a winding-type cylindrical cell (C1), wherein a threshold value of an axis in a direction along a winding axis may be set to a value smaller in absolute value than threshold values of the other two axes.
(FR)
Dans ce dispositif de détection d'impact (10) à monter sur un bloc de stockage d'énergie (1), un circuit de détection d'impact détecte un impact à l'extérieur d'une plage admissible en comparant des valeurs de détection à trois axes délivrées par un capteur d'accélération à trois axes à des valeurs de seuil réglées respectivement à différentes valeurs selon les caractéristiques mécaniques du bloc de stockage d'énergie (1). Par exemple, le bloc de stockage d'énergie (1) comprend une cellule cylindrique de type à enroulement (C1), une valeur de seuil d'un axe dans une direction le long d'un axe d'enroulement pouvant être réglée à une valeur inférieure en valeur absolue à des valeurs de seuil des deux autres axes.
(JA)
蓄電パック(1)に搭載されるべき衝撃検出装置(10)において、衝撃検出回路は、3軸加速度センサから出力される3軸の検出値と、蓄電パック(1)の機構的特性に応じてそれぞれ異なる値に設定された閾値を比較して、許容範囲外の衝撃を検出する。例えば、蓄電パック(1)は、巻回型の円筒型セル(C1)を含み、巻回軸に沿った方向の軸の閾値が、他の2つの軸の閾値より、絶対値の小さな値に設定されてもよい。
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