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1. WO2020069892 - INDICATING DEVICE FOR A BATTERY PACK

Publication Number WO/2020/069892
Publication Date 09.04.2020
International Application No. PCT/EP2019/075496
International Filing Date 23.09.2019
IPC
G01R 31/36 2019.01
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
31Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge
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
CPC
G01R 31/3646
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
31Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
3644Constructional arrangements
3646for indicating electrical conditions or variables, e.g. visual or audible indicators
H01M 10/488
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
488Cells or batteries combined with indicating means for externally visualisation of the condition, e.g. by change of colour or of light intensity
Applicants
  • ROBERT BOSCH GMBH [DE]/[DE]
Inventors
  • KLEE, Christoph
  • SEGRET, Mickael
Priority Data
10 2018 216 937.302.10.2018DE
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) ANZEIGEVORRICHTUNG FÜR EINEN AKKUPACK
(EN) INDICATING DEVICE FOR A BATTERY PACK
(FR) DISPOSITIF D’AFFICHAGE POUR UN BLOC-BATTERIE
Abstract
(DE)
Anzeigevorrichtung für einen Akkupack, insbesondere einen Akkupack eines Elektrowerkzeugs, zum Anzeigen eines Ladezustands des Akkupacks, mit zumindest einer Ladezustandsanzeigeeinheit (18a; 18b; 18c; 18d; 18e; 18f; 18g), die zumindest ein Anzeigeelement (28a; 28b; 28c; 28d; 28e; 28f, 52f; 28g, 52g) zum Anzeigen des Ladezustands des Akkupacks (12a; 12b; 12c; 12d; 12e; 12f; 2g) aufweist,und mit zumindest einer Steuerleitung (20a;20b; 20c; 20d; 20e; 20f; 20g) zu einer Übertragung von zumindest einem,insbesondere von einem Ladezustand des Akkupacks (12a; 12b; 12c; 12d; 12e; 12f; 12g)abhängigen, elektrischen und/oder elektronischen Signal von einer zur Ladezustandsanzeigeeinheit (18a; 18b; 18c; 18d; 18e; 18f; 18g), insbesondere baulich getrennten, separaten Kontrolleinheit (16a; 16b; 16c; 16d; 16e; 16f; 16g) des Akkupacks (12a; 12b; 12c; 12d; 12e; 12f; 12g), insbesondere von einer Hauptsteuerelektronik des Akkupacks (12a; 12b; 12c; 12d; 12e; 12f; 12g), zur Ladezustandsanzeigeeinheit (18a; 18b; 18c; 18d; 18e; 18f; 18g).20 Es wird vorgeschlagen, dass die Ladezustandsanzeigeeinheit (18a; 18b; 18c; 8d; 18e; 18f; 18g)dazu eingerichtet ist, zumindest das eine Anzeigeelement (28a; 28b; 28c; 28d; 28e; 28f, 52f; 28g, 52g)in Abhängigkeit von dem über die Steuerleitung (20a; 20b; 20c; 20d; 20e; 20f; 20g)übertragenen elektrischen und/oder elektronischen Signale kurzzuschließen.
(EN)
The invention relates to an indicating device for a battery pack, in particular for a battery pack of an electrical tool, for indicating the state of charge of the battery pack, comprising: at least one state-of-charge indicating unit (18a; 18b; 18c; 18d; 18e; 18f; 18g), which has at least one indicating element (28a; 28b; 28c; 28d; 28e; 28f, 52f; 28g, 52g) for indicating the state of charge of the battery pack (12a; 12b; 12c; 12d; 12e; 12f; 12g); and at least one control line (20a; 20b; 20c; 20d; 20e; 20f; 20g) for transmitting at least one electrical and/or electronic signal, which in particular is dependent on the state of charge of the battery pack (12a; 12b; 12c; 12d; 12e; 12f; 12g), from a control unit (16a; 16b; 16c; 16d; 16e; 16f; 16g) of the battery pack (12a; 12b; 12c; 12d; 12e; 12f; 12g), which control unit in particular is separate, in particular structurally separate, with respect to the state-of-charge indicating unit (18a; 18b; 18c; 18d; 18e; 18f; 18g), in particular from main control electronics of the battery pack (12a; 12b; 12c; 12d; 12e; 12f; 12g), to the state-of-charge indicating unit (18a; 18b; 18c; 18d; 18e; 18f; 18g). According to the invention, the state-of-charge indicating unit (18a; 18b; 18c; 18d; 18e; 18f; 18g) is designed to short circuit at least the one indicating element (28a; 28b; 28c; 28d; 28e; 28f, 52f; 28g, 52g) in dependence on the electrical and/or electronic signal transmitted via the control line (20a; 20b; 20c; 20d; 20e; 20f; 20g).
(FR)
L'invention concerne un dispositif d’affichage pour un bloc-batterie, en particulier un bloc-batterie d’un outil électrique, pour indiquer un état de charge du bloc-batterie, comportant au moins une unité d’affichage d’état de charge (18a; 18b; 18c; 18d; 18e; 18f; 18g) qui comporte au moins un élément d’affichage (28a; 28b; 28c; 28d; 28e; 28f, 52f; 28g, 52g) pour indiquer l’état de charge du bloc-batterie (12a; 12b; 12c; 12d; 12e; 12f; 12g), et au moins une ligne de commande (20a; 20b; 20c; 20d; 20e; 20f; 20g) pour la transmission d’au moins un signal électrique et/ou électronique dépendant notamment d’un état de charge du bloc-batterie (12a; 12b; 12c; 12d; 12e; 12f; 12g), d'une unité de commande (16a; 16b; 16c; 16d; 16e; 16f; 16g) du bloc-batterie (12a; 12b; 12c; 12d; 12e; 12f; 12g), séparée, notamment structurellement séparée, de l'unité d'affichage d'état de charge (18a; 18b; 18c; 18d; 18e; 18f; 18g), en particulier d'une électronique de commande principale du bloc-batterie (12a; 12b; 12c; 12d; 12e; 12f; 12g) à l'unité d'affichage d'état de charge (18a; 18b; 18c; 18d; 18e; 18f; 18g). Selon l’invention, l’unité d’affichage d’état de charge (18a; 18b; 18c; 18c; 8d; 18e; 18f; 18g) est conçue pour court-circuiter au moins l'élément d’affichage (28a; 28b; 28c; 28d; 28e; 28f; 52f; 28g; 52g) en fonction des signaux électriques et/ou électroniques transmis par la ligne de commande (20a; 20b; 20c; 20d; 20f; 20g).
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Latest bibliographic data on file with the International Bureau