EP1183744A1 - Batterie au plomb-acide de six volt et de configuration plate avec bornes avant - Google Patents

Batterie au plomb-acide de six volt et de configuration plate avec bornes avant

Info

Publication number
EP1183744A1
EP1183744A1 EP01910915A EP01910915A EP1183744A1 EP 1183744 A1 EP1183744 A1 EP 1183744A1 EP 01910915 A EP01910915 A EP 01910915A EP 01910915 A EP01910915 A EP 01910915A EP 1183744 A1 EP1183744 A1 EP 1183744A1
Authority
EP
European Patent Office
Prior art keywords
battery
cell
terminal
cover
bushing
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.)
Withdrawn
Application number
EP01910915A
Other languages
German (de)
English (en)
Inventor
William H. Kump
Steven R. Peterson
Anthony R. Horton
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.)
Exide Technologies
Original Assignee
GNB Technologies Inc
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 GNB Technologies Inc filed Critical GNB Technologies Inc
Publication of EP1183744A1 publication Critical patent/EP1183744A1/fr
Withdrawn legal-status Critical Current

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
    • H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • H01M50/552—Terminals characterised by their shape
    • 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
    • H01M10/06—Lead-acid accumulators
    • 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
    • H01M50/561—Hollow metallic terminals, e.g. terminal bushings
    • 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

  • This invention relates to six-volt lead-acid batteries and, more particularly, to a low profile six-volt lead-acid battery having front terminals.
  • Lead-acid batteries have long been in use for a wide variety of applications. For example, such cells and batteries have been used for what have sometimes been termed "stationary" battery applications wherein the lead-acid batteries provide standby power in the event of a power failure. For this type of application, such stationary batteries are maintained at a full-state-of-charge and in a ready-to-use condition, typically by float maintenance charging at a constant preset voltage. By way of illustration, such stationary batteries may be used in telecommunications, utilities and the like.
  • the space allotted for the battery is limited, yet there is a need for batteries having increased electrical capacity.
  • the batteries are placed upon racks. Utilizing batteries having top terminals requires more battery space since clearance must be provided above the batteries so the installer can reach in above the batteries and make the appropriate electrical connections. Utilizing shelves that slide out may reduce some of the clearance required, but add additional cost for the rack structure required.
  • a lead-acid battery having terminals located such that they can be accessed from the front of a battery rack or the like. Further, there is a need for such lead-acid batteries having enhanced electrical performance without requiring undesirably tall batteries, i.e., a low profile battery. Such batteries, however, must be capable of being assembled to provide a reliable battery without requiring undue modification of conventionally used lead-acid battery assembly processes and equipment.
  • a primary object of the invention to provide a battery that may be efficiently utilized when placed in a battery rack without requiring the use of sliding shelves or excessive clearance above the battery.
  • a related object of this invention is to provide a six-volt lead-acid battery having front terminals so as to facilitate access when such batteries are located in use in battery racks or the like.
  • a still further object lies in the provision of such low profile, front terminal batteries which are capable of being fabricated using existing lead-acid battery assembly techniques.
  • the invention provides a low profile, 6-volt battery having both positive and negative terminals disposed along the front of the battery, that is, having both terminals disposed along the front cell such that connections may be readily made to the terminals when the battery is disposed on a shelf.
  • the battery container is divided by partitions into three cells disposed in a 1 by 3 arrangement with front, middle, and rear cells which each contain alternating positive and negative plates separated by separators.
  • the lugs of the positive plates and the lugs of the negative plates are electrically connected by positive and negative straps, respectively, the straps of adjacent cells being electrically coupled by conventional means by through the partition welds or the like.
  • the elements of the front cell are electrically coupled to a front terminal along the front of the battery via a front cell terminal bushing, while the elements of the rear cell are electrically connected to the front of the battery, i.e., adjacent the front cell, by a connector bar.
  • the lugs of the rear cell which are not coupled to the middle cell are electrically connected by a strap to an upstanding post.
  • the connector bar then couples the post to a front cell terminal bushing which presents the terminal along the front of the battery.
  • the connection to the post may be direct, or, alternately, a strap bushing may be welded to the post and the connector bar coupled to the strap bushing.
  • the terminals may be disposed along the front wall, along the top of the battery substantially adjacent the front wall, along the sides of the battery substantially adjacent the front wall, or as dual terminals substantially adjacent the front wall, i.e., as a combination of top terminals with side or front terminals. In this way the user may readily access the terminals even when the battery is disposed on a shelf which does not permit the user to reach in between. Additionally, the battery may be readily constructed according to methods known in the art. The invention provides a high quality, durable battery which may be economically and efficiently manufactured.
  • FIGURE 1 is a perspective view of a preferred embodiment of a six-volt battery according to teachings of the present invention.
  • FIG. 2 is a top view of a container used in the battery of the present invention.
  • FIG. 3 is a cross-sectional view taken generally along line 3-3 of FIG. 2.
  • FIG. 4 is a cross-sectional view taken generally along line 4-4 of FIG. 2.
  • FIG. 5 is a plan view of an intermediate cover used in the battery of FIG. 1.
  • FIG. 6 is a cross-sectional view of the intermediate cover taken along line 6-6 in FIG. 5 and illustrating one of the front cell terminals.
  • FIG. 7 is another cross-sectional view of the intermediate cover taken along line 7-7 of FIG. 5 and showing the rear connection bushing and the other front cell terminal.
  • FIG. 8 is a bottom view of the intermediate cover of FIG. 5 and illustrating the respective positioning of the alignment guides for accommodation of a six-volt battery as well as a twelve-volt battery.
  • FIG. 9 is a plan view of a final cover of a battery such as illustrated in FIG. 1.
  • FIG. 10 is a bottom view of the final cover of FIG. 9.
  • FIG. 11 is an enlarged fragmentary view of the post and rear connector bushing of FIG. 12.
  • FIG. 12 is a top assembly view of the container and intermediate cover of FIG. 1 showing the cell elements, the intercell welds, and the connector.
  • FIG. 13 is a cross-sectional view of the assembly taken generally along line 13-13 of FIG. 12 and illustrating the internal electrical connections.
  • FIG. 14 is an end view of the assembly of FIG. 12 taken generally along line
  • FIG. 15 is a connector arm of a first embodiment of the six-volt battery of FIG. 1.
  • FIG. 16 is a cross-sectional view of the connector taken along line 16-16 in FIG. 15.
  • FIG. 17 is a cross-sectional view of the connector taken along line 17-17 in FIG. 15.
  • FIG. 18 is a top assembly view of the battery assembly illustrating an alternate embodiment of the connector bar and the connection of the connector bar to the internal components.
  • FIG. 19 is a top assembly view of the battery assembly illustrating a third embodiment of the connector bar and the connection of the connector bar to the internal components.
  • FIG. 20 is an enlarged fragmentary view of the post and connector bar of FIGS. 18 and 19.
  • the lead-acid battery 10 comprises a container 12 having side walls 14, a front wall 16, and a back wall 18.
  • the composite cover shown generally at 20 comprises an intermediate cover shown generally at 22 sealed or otherwise attached to container 12, and a final cover 24 sealed to intermediate cover 22.
  • the battery 10, according to the preferred embodiment, includes a flame arrestor shown at 26, and positive and negative terminals 28, 30.
  • the container 12 as best seen in FIGS. 2-4, includes cross-partitions 34 dividing the container into three cells in a 1x3 cell configuration, with a front cell 38, a central cell 40, and a back cell 42.
  • the terminal cells are thus defined by the interior surface of the side walls 14 (see FIG. 4), the front and rear walls 16, 18 and by the surfaces of the cross-partitions 34.
  • six-volt battery configuration is illustrated, the size of the cells can be varied as desired to satisfy the space and electrical performance requirements of the particular application.
  • An optional feature includes structure allowing the battery to be lifted, whether by hand or other means.
  • container 12 is provided with holes 46 located on front wall 16 and back wall 18 so as to accommodate a rope or other handle (not shown).
  • the illustrative embodiment utilizes a two-piece cover 20, that is, a cover which includes an intermediate cover 22 and a final cover 24.
  • the intermediate cover 22 is configured complementally with container 12 so as to allow the use of conventional heat sealing equipment to seal these components together.
  • the intermediate cover may likewise be utilized in a 12-volt battery configuration having a 2x3 cell arrangement as opposed to the 1x3 cell arrangement illustrated in FIGS. 2-4.
  • the intermediate cover 22 includes a base structure shown generally at 50 divided by intermediate cover center partitions 52 (see FIG. 8) configured to align with center partitions of a 12-volt container (not illustrated).
  • intermediate cover 22 likewise includes guide pins
  • guide pins 70 (FIG. 8), preferably positioned both adjacent intermediate cover walls 68 and the location of a central partition in a 12-volt battery so as to facilitate assembly. Any desired configuration of guide pins 70 can be used.
  • the preferred embodiment of the intermediate cover 22 is designed to provide common head space for the cells 38, 40, 42 and also to allow for pressure testing to ensure that appropriate sealing has been provided. As can be seen from FIGS. 5, 7 and 8, common head space is provided via fill holes 54. 56, 58 and upstanding structure 78.
  • the intermediate cover 22 also comprises valves 76. as may be seen in FIGS. 5, 7, and 8. In operation, the valves 76 operate to release pressure when a given pressure is exceeded within the battery 20.
  • FIGS 9-10 illustrate a preferred embodiment for the final cover 24
  • This cover piece comprises a final cover base 82 complementally shaped so as to fit upon intermediate cover 22
  • Final cover 24 accordingly includes a front sealing surface 84, a rear cell sealing surface 86 and side surfaces 88 all complementally sized with respect to intermediate cover 22
  • Final cover 24 likewise includes structure compatibly shaped and positioned with regard to fill holes 54, 56, 58 and structure 78 of intermediate cover 22 so as to allow for the common head space Appropriate venting into such common head space can be achieved through venting techniques known in the art
  • a flame arrestor 26 may likewise be included in the final cover 24 Turning back to the intermediate cover 22 and referring now to FIGS 12 and
  • a battery is illustrated having the intermediate cover 22 and the cell components in place
  • Each of the three cells 38, 40, 42 contains a battery element comprising a series of alternately disposed positive plates (not visible) and negative plates 100 having separators 102 positioned therebetween, as is known m the art (the battery element is illustrated only schematically in FIG 12 to eliminate excess hnes) As shown m FIG.
  • the negative plates 100 include upwardly extending lugs 104 which are electrically connected together m each cell by a negative strap 106, 108
  • the positive plates of each cell similarly include lugs 110 which are electrically connected together m each cell by a positive strap 112, 114
  • the positive and negative straps 112, 108 of adjacent cells may be elect ⁇ cally connected by conventional mtercell connections As shown m FIGS 12 and 13, mtercell welds 116 connect the positive and negative straps 112. 108 of adjacent cells 38 and 40, 40 and 42 via conventional tombstones 118
  • the present invention can be used whether the lead-acid battery is of the flooded electrolyte type or sealed type (i.e., a VRLA or vah e-regulated lead-acid) Suitable grids and alloys are known and may be utilized, as are appropriate separator materials
  • the intermediate cover 22 also houses the terminals 28, 30 and contains structure allowing appropriate electrical connection to such terminals
  • a negative terminal bushing 120 having an opening 122 is provided
  • the negative strap 76 of the front cell 38 is connected to an upstanding post 124, which is received in the opening 122 in order to present a terminal 30 for connection.
  • the bushing 120 and post 124 are coupled by any appropriate method known in the art, e.g., welding, to provide an electrical connection to the negative terminal 30.
  • the bushing 120 further includes a formation adapter 126 to which a lead (not shown) may be coupled during formation.
  • a 1x3 cell arrangement such as illustrated in the figures, would typically yield a terminal of a first polarity at one end of the container adjacent one cell, and a terminal of a second polarity at the opposite end of the container adjacent a cell disposed at the opposite end.
  • a strap 106 of one polarity in this case, a negative strap
  • a strap 114 of the opposite polarity in this case, a positive strap
  • the positive and negative terminals may both be disposed along the same end of the battery 10 adjacent a single cell, in this case the front cell 38.
  • the positive and negative terminals 28 and 30 can be readily accessed, as is needed in service.
  • the strap 106 of the front cell 38 is connected to a terminal 30 along the front cell 38 of the battery, while a connector or metallic bar 130 is provided which electrically connects the strap 114 adjacent the back cell 42 to a terminal 28 substantially adjacent the front cell 38.
  • the positive strap 1 14 of the rear cell 42 comprises an upstanding post 132, similar to the negative post 124 of the front cell 38.
  • the post 132 is received in an opening 134 m a positive strap bushing 136 or connector bushing as shown in FIGS 1 1 and 13
  • the positive strap bushing 136 includes a formation adapter 138 to which a lead (not shown) may be coupled during battery formation
  • the positive strap bushing 136 does not include the positive terminal 28
  • a positive terminal bushing 140 is likewise provided along the front cell 38
  • the positive terminal bushing 140 includes the positive terminal 28 which is presented at the front of the battery 12
  • the bushings 136, 140 are each provided with upstanding coupling structures 138, 142 in the form of hollow posts
  • the connector bar 130 comp ⁇ ses openings 144, 146 at either end which may receive the
  • the upstanding coupling structure 138 of the positive strap bushing 136 may likewise be utilized for the placement of a lead, or as a formation adapter, du ⁇ ng formation of the battery 12 Utilization of the formation adapter 126 of the negative terminal bushing 120 and coupling structure 138 of the positive strap bushing 136 for attachment of the leads allows the manufacturer to put the acid into the cells 38, 40, 42 and clean the battery 12 prior to assembly of the connector bar 130 and welding it in place
  • the connector bar 130 is preferably formed of copper to provide minimal resistance
  • an elongate copper rod 150 is at least partially embedded in lead 152, and is offset from attachment points or openings 144, 146 at either end
  • the batten 12 may be formed and cleaned as desc ⁇ bed above p ⁇ or to assembling the connector bar 130 to the battery, minimizing the opportunity for interaction between the acid and the copper of the bar 130.
  • a final cover 80 may be heat sealed to the intermediate cover 28, or a second cover (not shown) may be heat sealed to cover the compartment in the intermediate cover 22 containing the bar 130.
  • the connector bar 130 may be alternately laid out and/or coupled between the strap 114 of the rear cell 42 and the terminal 28 of the front cell 38.
  • the connector bar 160 may be straight, as illustrated in FIG. 18, rather than offset.
  • the bar 160 may be directly connected to the positive strap post 168, as likewise illustrated in FIG. 18, as well as the embodiment illustrated in FIG. 19, FIG. 19 comprising a bar 170 which is offset as connected to the positive terminal bushing.
  • a bushing 172 is molded into the intermediate cover 174 as shown in FIG. 20.
  • -An appropriate weld or the like is then made to electrically connect the post 168 to the bushing 172, and the bushing 172 to the connector bar 160, 170.
  • the connector bar may be molded into the intermediate cover itself.
  • terminals themselves can be varied as needed for the service requirements of the particular application. Internally threaded configurations, as are illustrated, are often employed in stationary applications where several batteries need to be electrically connected together. Further, while the embodiment shown has front terminals located adjacent the front wall 16 of the battery, it should be appreciated that top terminals, either alone or as dual terminals with the front terminals as illustrated might alternately be provided. Indeed, if desired, the terminals, either alone or as a dual terminal configuration, could be located as side terminals adjacent the front of side walls 14.
  • the terminals employed are located at least near the front wall 16 so as to allow ready access in service.
  • the connector bar arrangement would be equally applicable to any cell arrangement comprising an odd number of cell rows extending rearward from the front wall of the battery.
  • the connector bar could be utilized in a 3x3 or 3x5 arrangement.
  • the manner and structure which is utilized to make the electrical connections can vary as desired, consistent with the objectiv es of this invention Thus, what is most important is that the terminals are accessible from the front of the battery and are located so as to minimize the profile of the battery.

Abstract

L'invention concerne une batterie de six volt à configuration d'éléments 1x3, qui comprend des éléments avant, intermédiaire et arrière, les bornes de ladite batterie étant disposées le long de la partie avant de la batterie, adjacentes à l'élément avant. Lesdits éléments sont connectés électriquement entre les éléments avant et intermédiaire, et entre les éléments intermédiaire et arrière. Les languettes de l'élément avant qui ne sont pas couplées à l'élément intermédiaire sont connectées à une traversée isolée terminale. Les languettes de l'élément arrière qui ne sont pas couplées à l'élément intermédiaire sont, de la même façon, connectées électriquement via un agencement barrette/borne classique, si ce n'est que la borne est connectée à une seconde borne d'élément avant via une barrette de connexion. Ladite barrette de connexion couple la borne de l'élément arrière et la traversée isolée du second élément avant se terminant en borne du second élément avant.
EP01910915A 2000-02-17 2001-02-16 Batterie au plomb-acide de six volt et de configuration plate avec bornes avant Withdrawn EP1183744A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US50622300A 2000-02-17 2000-02-17
US506223 2000-02-17
PCT/US2001/005200 WO2001061771A1 (fr) 2000-02-17 2001-02-16 Batterie au plomb-acide de six volt et de configuration plate avec bornes avant

Publications (1)

Publication Number Publication Date
EP1183744A1 true EP1183744A1 (fr) 2002-03-06

Family

ID=24013693

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01910915A Withdrawn EP1183744A1 (fr) 2000-02-17 2001-02-16 Batterie au plomb-acide de six volt et de configuration plate avec bornes avant

Country Status (8)

Country Link
EP (1) EP1183744A1 (fr)
JP (1) JP2003523609A (fr)
KR (1) KR20020042525A (fr)
AU (1) AU3847101A (fr)
CA (1) CA2369520A1 (fr)
HK (1) HK1045026A1 (fr)
MX (1) MXPA01010498A (fr)
WO (1) WO2001061771A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10256453B2 (en) 2016-07-20 2019-04-09 East Penn Manufacturing Co. Lead acid battery cell connecting assembly

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2052499A (en) * 1935-11-13 1936-08-25 Strough J Val Center post battery cover
US4444853A (en) * 1983-07-01 1984-04-24 Globe-Union Inc. Storage battery construction
US4752543A (en) * 1987-04-02 1988-06-21 Anderson Carl J Universal terminal storage battery with handle

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0161771A1 *

Also Published As

Publication number Publication date
AU3847101A (en) 2001-08-27
WO2001061771A1 (fr) 2001-08-23
KR20020042525A (ko) 2002-06-05
JP2003523609A (ja) 2003-08-05
MXPA01010498A (es) 2003-08-20
HK1045026A1 (zh) 2002-11-08
CA2369520A1 (fr) 2001-08-23

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