WO2004084329A1 - Batterie d'automobile - Google Patents

Batterie d'automobile Download PDF

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Publication number
WO2004084329A1
WO2004084329A1 PCT/EP2004/002760 EP2004002760W WO2004084329A1 WO 2004084329 A1 WO2004084329 A1 WO 2004084329A1 EP 2004002760 W EP2004002760 W EP 2004002760W WO 2004084329 A1 WO2004084329 A1 WO 2004084329A1
Authority
WO
WIPO (PCT)
Prior art keywords
motor vehicle
cover
vehicle battery
electrically conductive
battery according
Prior art date
Application number
PCT/EP2004/002760
Other languages
German (de)
English (en)
Inventor
Bernhard Stock
Egbert Lodowicks
Original Assignee
Audi Ag
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 Audi Ag filed Critical Audi Ag
Priority to EP04721189A priority Critical patent/EP1611624A1/fr
Publication of WO2004084329A1 publication Critical patent/WO2004084329A1/fr

Links

Classifications

    • 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
    • H01M50/543—Terminals
    • H01M50/547—Terminals characterised by the disposition of the terminals on the cells
    • H01M50/55—Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/147—Lids or covers
    • 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
    • H01M50/543—Terminals
    • H01M50/552—Terminals characterised by their shape
    • H01M50/553—Terminals adapted for prismatic, pouch or rectangular cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the invention relates to a motor vehicle battery with a cover according to the preamble of claim 1, as is known from the unpublished DE 101 61 566.
  • Motor vehicle batteries are usually installed in a water box closed with a plastic cover, a removable plastic part being provided in the plastic cover for access to the motor vehicle battery.
  • the problem with such motor vehicle batteries is the electrostatic charging of the plastic cover, since the high voltage built up as a result of the electrostatic charging can be discharged in the direction of the negative pole of the motor vehicle battery. Particularly in the event of minor leaks in the motor vehicle battery, this discharge can take place inside the motor vehicle battery within the gas space located above the battery fluid, which can lead to an explosion of the motor vehicle battery.
  • the cover of the motor vehicle battery in the generic DE 101 61 566 is designed to be electrically conductive and is connected directly to the negative pole of the motor vehicle battery.
  • connection can be realized either by an insulating cable arranged between the negative pole of the motor vehicle battery and the cover or by a contact spring which is captively attached to the negative pole of the motor vehicle battery and makes electrical contact with the cover.
  • the invention has for its object to provide a motor vehicle battery in which protection against the consequences of electrostatic charging is made possible in a simple and inexpensive manner. This object is achieved by the features in the characterizing part of patent claim 1.
  • an electrically conductive contacting element is provided on the underside thereof for the force-locking contacting of the negative pole of the motor vehicle battery, ie the electrically conductive contacting element fastened to the cover of the motor vehicle battery is used for the non-positive, electrically conductive connection of the cover to the negative pole of the motor vehicle battery.
  • This electrically conductive contacting element can be designed as a spring-loaded contact tab protruding from the underside of the cover, which, as a result of the spring force, presses against the negative pole of the motor vehicle battery and preferably consists of the same material as the electrically conductive cover (for example, the contact tab is stamped out of the cover or formed by an injection molding process), or as a contacting screw formed on the underside of the cover and projecting from the underside of the cover, which is connected to the negative pole of the motor vehicle battery by pressing on it with a specific pretension or by screwing it to its pole terminal.
  • the electrically conductive cover of the motor vehicle battery can consist of metal or of electrically conductive plastic or of an electrically insulating plastic that is at least partially coated with an electrically conductive coating (for example with a glued-on metal foil or with a metallization or with an electrically conductive lacquer layer). or with an electrically conductive insert (e.g. with a contact tion of the negative pole of the motor vehicle battery partially exposed metal network) is provided.
  • the cover lies on the battery cover formed on the top of the motor vehicle battery, in particular the cover lies on the outer contour of the battery cover (i.e. on the protrusion of the battery cover located there) with a slight play.
  • a cover can be provided for motor vehicle batteries with different capacities and in particular different dimensions (different sizes) of the battery cover of the motor vehicle battery, for example. a cover made with a specific dimension, this cover can be adapted by subdivision to the respective dimension of the battery cover of the motor vehicle battery.
  • the area of the positive pole of the motor vehicle battery is not covered by the cover, in particular a recess in the cover is provided on the battery cover in the area of the positive pole of the motor vehicle battery.
  • the cover is connected to the battery cover in a form-fitting or non-positive manner by means of fastening means arranged on its outside (side surface), in particular by means of fastening clips. by means of fastening clips attached on the long side of the cover and engaging on the underside of the battery cover.
  • At least one rib is formed on the underside of the cover in the region of the electrically conductive contacting element, which rib serves as a stop when the cover is attached (put on or pushed on) to the battery cover of the motor vehicle battery.
  • FIG. 1 shows a plan view of the motor vehicle battery installed in the motor vehicle
  • FIG. 2 shows a sectional drawing of a partial area of the motor vehicle battery.
  • the motor vehicle battery 1 is, for example. arranged in the trunk of the motor vehicle below the trunk cover.
  • An electrically conductive cover 2 lies flush on the battery cover 7 forming the upper side of the motor vehicle battery 1.
  • This electrically conductive cover 2 is, for example. made of a warm air-resistant, electrically conductive plastic, e.g. made of chlorinated polypropylene (PPC) with an electrical conductivity in the range from 10 3 to 10 5 ⁇ "1 and is, for example, manufactured as an injection molded part.
  • PPC chlorinated polypropylene
  • the cover 2 can be used for motor vehicle batteries 1 with different capacities and thus different dimensions (width of the motor vehicle battery 1 e.g.
  • the cover 2 for example made as an injection molded part, can be subdivided at the dividing line 15 and the cover 2 can thus be individually adapted to the respective motor vehicle battery 1 a cover 2 with the dimensions length 347 mm, width 181 mm and thickness 1.5 mm in the longitudinal direction 12 of the cover 2 a dividing line 15 at 273 mm, so that a further, smaller cover 2 with the dimensions length 273 mm, width 181 mm and Thickness 1.5 mm can be manufactured
  • the cover 2 with the length of 347 mm is used, for example, for motor vehicle batteries 1 with a capacity of 95 Ah or 110 Ah, with almost the entire battery cover 7, with the exception of the positive pole 14 of the motor vehicle battery 1, being covered by the cover 2.
  • the cover 2 with the length of 273 mm is, for example. used for motor vehicle batteries 1 with a capacity of 70 Ah or 80 Ah, with approximately the entire battery cover 7, with the exception of the positive pole 14 of the motor vehicle battery
  • an example is on the underside 4. formed as an injection molded part from the electrically conductive plastic of the cover 2 contact tab 5, which presses the cover 2 on the battery cover 7 due to the elastic spring force non-positively against the negative pole 3 of the motor vehicle battery 1 and thus electrically conductively connects it to the electrically conductive cover 2 ,
  • Fastening means 10 designed as fastening clips are provided, for example.
  • two fastening clips 10 which clamp the battery cover 7 on the underside 11 of the battery cover 7.
  • a rib 13 is formed on the underside 4 of the cover 2 in the area of the contacting tab 5 and is used to adjust the cover 2 with respect to the longitudinal direction 12 of the motor vehicle battery 1.
  • this rib 13 acts as a stop and thereby ensures that the contacting tab 5 is positioned as desired in the region of the negative pole 3 of the motor vehicle battery 1 and thereby the negative pole 3 of the motor vehicle battery 1 contacted reliably and thus reliably discharges any electrostatic charges to ground.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

La présente invention concerne une batterie d'automobile comprenant un couvercle qui est relié au pôle négatif de la batterie d'automobile et qui est constitué d'une matière électroconductrice. Selon cette invention, un élément de contact électroconducteur placé sur la face inférieure du couvercle est conçu pour venir en contact par liaison de force avec le pôle négatif de la batterie d'automobile.
PCT/EP2004/002760 2003-03-21 2004-03-17 Batterie d'automobile WO2004084329A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04721189A EP1611624A1 (fr) 2003-03-21 2004-03-17 Batterie d'automobile

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10312579.5 2003-03-21
DE10312579A DE10312579B4 (de) 2003-03-21 2003-03-21 Kraftfahrzeugbatterie

Publications (1)

Publication Number Publication Date
WO2004084329A1 true WO2004084329A1 (fr) 2004-09-30

Family

ID=32921042

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2004/002760 WO2004084329A1 (fr) 2003-03-21 2004-03-17 Batterie d'automobile

Country Status (3)

Country Link
EP (1) EP1611624A1 (fr)
DE (1) DE10312579B4 (fr)
WO (1) WO2004084329A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2984809B1 (fr) * 2011-12-23 2014-06-13 Valeo Systemes Thermiques Dispositif de chauffage et/ou climatisation pour vehicule automobile.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0508248A1 (fr) * 1991-03-30 1992-10-14 Audi Ag Dispositif de positionnement et de fixation d'une batterie de démarreur
FR2681981A1 (fr) * 1991-10-01 1993-04-02 Baroclem Sa Couvercle de batterie.
DE20204964U1 (de) * 2001-12-14 2002-06-20 Audi Ag, 85057 Ingolstadt Explosionsgeschützte Batterieabdeckung für Kraftfahrzeuge

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4160857A (en) * 1978-02-16 1979-07-10 Codman & Shurtleff, Inc. Canister and removable battery pack unit therefor
DE19726742B4 (de) * 1997-06-24 2007-06-06 Vb Autobatterie Gmbh & Co. Kgaa Verfahren zur Herstellung eines Akkumulatorendeckels, Akkumulatordeckel und Akkumulator
DE19832929C1 (de) * 1998-07-22 2000-01-20 Daimler Chrysler Ag Vorrichtung zum Schutz von Kraftfahrzeugstarterbatterien vor elektrostatischer Aufladung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0508248A1 (fr) * 1991-03-30 1992-10-14 Audi Ag Dispositif de positionnement et de fixation d'une batterie de démarreur
FR2681981A1 (fr) * 1991-10-01 1993-04-02 Baroclem Sa Couvercle de batterie.
DE20204964U1 (de) * 2001-12-14 2002-06-20 Audi Ag, 85057 Ingolstadt Explosionsgeschützte Batterieabdeckung für Kraftfahrzeuge
DE10161566C1 (de) * 2001-12-14 2003-02-06 Audi Ag Explosionsgeschützte Batteriabdeckung für Kraftfahrzeuge

Also Published As

Publication number Publication date
DE10312579A1 (de) 2004-09-30
EP1611624A1 (fr) 2006-01-04
DE10312579B4 (de) 2011-05-05

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