FR3125881B1 - Dispositif de détection de fuites pour pack batterie de véhicule automobile - Google Patents

Dispositif de détection de fuites pour pack batterie de véhicule automobile Download PDF

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Publication number
FR3125881B1
FR3125881B1 FR2108139A FR2108139A FR3125881B1 FR 3125881 B1 FR3125881 B1 FR 3125881B1 FR 2108139 A FR2108139 A FR 2108139A FR 2108139 A FR2108139 A FR 2108139A FR 3125881 B1 FR3125881 B1 FR 3125881B1
Authority
FR
France
Prior art keywords
battery pack
leak detection
motor vehicle
detection device
vehicle battery
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
FR2108139A
Other languages
English (en)
Other versions
FR3125881A1 (fr
Inventor
Patrick Serra
Jean-Luc Regef
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ateq SAS
Original Assignee
Ateq SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ateq SAS filed Critical Ateq SAS
Priority to FR2108139A priority Critical patent/FR3125881B1/fr
Priority to CN202280052013.6A priority patent/CN117769780A/zh
Priority to EP22748362.5A priority patent/EP4378015A1/fr
Priority to PCT/EP2022/069683 priority patent/WO2023006434A1/fr
Priority to US18/292,265 priority patent/US20240347779A1/en
Publication of FR3125881A1 publication Critical patent/FR3125881A1/fr
Application granted granted Critical
Publication of FR3125881B1 publication Critical patent/FR3125881B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4228—Leak testing of cells or batteries
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
    • G01M3/3209—Details, e.g. container closure devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
    • G01M3/3236—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers
    • G01M3/3272—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers for verifying the internal pressure of closed containers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
    • G01M3/34—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by testing the possibility of maintaining the vacuum in containers, e.g. in can-testing machines
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4285—Testing apparatus
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/569—Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00—Safety devices for primary or secondary batteries
    • H01M2200/20—Pressure-sensitive devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Secondary Cells (AREA)

Abstract

La présente invention se rapporte à un dispositif (1) de détection de fuites pour pack batterie de véhicule automobile, ledit dispositif (1) comprenant : – un circuit pneumatique (100) comprenant une pluralité de vannes (V1, V2, V3) et un capteur de pression (106) ; – au moins un connecteur (7) permettant de relier ledit circuit pneumatique (100) à au moins un élément du pack batterie ; ledit dispositif (1) étant configuré pour opérer au moins une procédure de détection de fuites sur au moins un élément du pack batterie par l’intermédiaire dudit circuit pneumatique (100) et dudit connecteur (7). Figure d’abrégé : Fig. 3
FR2108139A 2021-07-27 2021-07-27 Dispositif de détection de fuites pour pack batterie de véhicule automobile Active FR3125881B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR2108139A FR3125881B1 (fr) 2021-07-27 2021-07-27 Dispositif de détection de fuites pour pack batterie de véhicule automobile
CN202280052013.6A CN117769780A (zh) 2021-07-27 2022-07-13 用于检测机动车辆电池组的泄漏的装置
EP22748362.5A EP4378015A1 (fr) 2021-07-27 2022-07-13 Dispositif de détection de fuites pour pack batterie de véhicule automobile
PCT/EP2022/069683 WO2023006434A1 (fr) 2021-07-27 2022-07-13 Dispositif de détection de fuites pour pack batterie de véhicule automobile
US18/292,265 US20240347779A1 (en) 2021-07-27 2022-07-13 Device for detecting leaks for motor vehicle battery pack

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2108139A FR3125881B1 (fr) 2021-07-27 2021-07-27 Dispositif de détection de fuites pour pack batterie de véhicule automobile
FR2108139 2021-07-27

Publications (2)

Publication Number Publication Date
FR3125881A1 FR3125881A1 (fr) 2023-02-03
FR3125881B1 true FR3125881B1 (fr) 2023-09-08

Family

ID=78770690

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2108139A Active FR3125881B1 (fr) 2021-07-27 2021-07-27 Dispositif de détection de fuites pour pack batterie de véhicule automobile

Country Status (5)

Country Link
US (1) US20240347779A1 (fr)
EP (1) EP4378015A1 (fr)
CN (1) CN117769780A (fr)
FR (1) FR3125881B1 (fr)
WO (1) WO2023006434A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO20240266A1 (en) * 2024-03-20 2025-09-22 Icbrg Co As A detection device
FR3163455A1 (fr) * 2024-06-12 2025-12-19 Ateq Procédé de détection de fuites et dispositif permettant la mise en œuvre d’un tel procédé
EP4703699A1 (fr) * 2024-08-29 2026-03-04 Nemak, S.A.B. de C.V. Procédé et dispositif de contrôle d'étanchéité d'au moins une partie d'un boîtier de batterie

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3813922A (en) * 1972-03-15 1974-06-04 Gould Inc Air leak detector
FR2628529B1 (fr) * 1988-03-09 1990-11-09 Commissariat Energie Atomique Procede et systeme de controle de l'etancheite d'une enceinte
US5901712A (en) * 1998-09-16 1999-05-11 St. Peter; Lawrence A. Curling iron cord storage device
US20090183407A1 (en) * 2008-01-14 2009-07-23 Anan Bidawid Magnetically mounted reusable display sign
US20120247189A1 (en) * 2011-03-30 2012-10-04 Eutectic Solutions Inc. Method of measuring the size of a leak in a pneumatic air circuit and a related device
WO2020047349A1 (fr) * 2018-08-31 2020-03-05 Ateq Corporation Dispositif et procédés d'essai de fuite de batterie
KR102171341B1 (ko) * 2018-12-28 2020-10-30 주식회사 동희산업 차량용 고전압배터리케이스 리크테스트 시스템
FR3101416B1 (fr) * 2019-09-26 2021-12-24 Ateq Capteur de pression différentielle et dispositif de détection comprenant un tel capteur
FR3106661B1 (fr) * 2020-01-28 2022-01-21 Ateq Dispositif de détection de fuites
FR3111989A3 (fr) * 2020-06-29 2021-12-31 Ateq Methode et systeme de détection de fuites
US12420641B2 (en) * 2021-06-25 2025-09-23 Redline Detection, Llc Leak detection system for vehicle battery environment and related methodology
US20250360794A1 (en) * 2024-05-23 2025-11-27 Tesla, Inc. Battery enclosure leak detection

Also Published As

Publication number Publication date
CN117769780A (zh) 2024-03-26
WO2023006434A1 (fr) 2023-02-02
EP4378015A1 (fr) 2024-06-05
FR3125881A1 (fr) 2023-02-03
US20240347779A1 (en) 2024-10-17

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