SE538555C2 - Fastening device for batteries, especially batteries for vehicles - Google Patents

Fastening device for batteries, especially batteries for vehicles Download PDF

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Publication number
SE538555C2
SE538555C2 SE1451559A SE1451559A SE538555C2 SE 538555 C2 SE538555 C2 SE 538555C2 SE 1451559 A SE1451559 A SE 1451559A SE 1451559 A SE1451559 A SE 1451559A SE 538555 C2 SE538555 C2 SE 538555C2
Authority
SE
Sweden
Prior art keywords
batteries
fastening element
fastening
fastening device
base plate
Prior art date
Application number
SE1451559A
Other languages
Swedish (sv)
Other versions
SE1451559A1 (en
Inventor
LEPPÄNEN Marko
Ahlgren Thomas
LUNDBERG Måns
Original Assignee
Scania Cv Ab
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 Scania Cv Ab filed Critical Scania Cv Ab
Priority to SE1451559A priority Critical patent/SE538555C2/en
Priority to DE102015015209.2A priority patent/DE102015015209A1/en
Publication of SE1451559A1 publication Critical patent/SE1451559A1/en
Publication of SE538555C2 publication Critical patent/SE538555C2/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/04—Arrangement of batteries
    • 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
    • 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
    • H01M50/202—Casings or frames around the primary casing of a single cell or a single battery
    • 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
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • 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
    • H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

ABSTRACT The invention relates to a fastening device (2) (la,b), for at least one battery primarily for fastening of two or more batteries (la,b) on a heavy commercial vehicle, such as in a truck or in a bus, comprising a battery box with a base plate (6) and at least one overlaying yoke (3). The invention is achieved by that a lower fastening element (4)(4a,b)(la,b), with T-formed ends is arranged at the lower part of the batteries preferable located between two or more batteries (la,b), and that the lower fastening element (4) is releasable fixed to the base plate (6) of the battery box. (Figure 2)

Description

FASTENING DEVICE FOR BATTERIES, ESPECIALLY BATTERIES FORVEHICLES TECHNICAL FIELD The present invention relates to a fastening device forvehicle batteries, primarily for fastening of batteries on a heavy commercial vehicle, such as in a truck or in a bus. Theinvention particularly relates to fastening devices used forfixation of at least two batteries. The invention also relates to a vehicle provided with such a fastening device.
BACKGROUND ART Passenger cars as well as heavy commercial vehicles, liketrucks and/or buses, are normally equipped with one or morebatteries for providing electrical energy to the electricalsystem of the vehicle. Batteries for trucks and buses arecomparatively large and heavy and as especially trucks oftenare driven on uneven/rough roads/grounds this will causehigh/strong vibrations in the vehicle. High vibration levelsexert considerable stresses on the fastening devices and inturn to the batteries and eventually this may displace and/ordamage the batteries. The batteries may come loose and changeposition resulting in severe damages to the batteries housing.It is therefore very important that the batteries are keptfirmly in their intended positions, e.g. in the battery box.Normally the batteries are lifted to their intended positionsin the battery box where after at least one upper fasteningelement, preferably some form of yoke, is installed by a screw joint upon the batteries, exerting a vertical pressure force against at least a part of the batteries upper surfaces or its edges or a combination thereof.
One problem with such an installation is that the verticalpressure exerted by the upper fastening element has to providea substantial force on the upper part of the batteries to keepthe batteries in place regardless of high vibrations that mayoccur when the vehicle is driven in rough conditions/bad roads.
After some time a deformation or relaxation still may occur inthe batteries outer housings, often manufactured by some kind of plastic material. This deformation, or relaxation, results in that the pressure from the fastening element, against thebattery housing, may decrease by time permitting the batteryto begin to move in different directions and as a result eventually to be displaced from its intended position. And ifthe pressure force of the fastening element against the battery is reduced too much, in relation to the frictionbetween the bottom of the battery housing and the base plateof the battery box, in which the battery is located, mayresult in that the battery will be loose, displaced and damaged.
These problems are well known and different solutions haveearlier been proposed to solve these problems.
The patent document US5040627 (Swayze) describes a mountingdevice for a pair of batteries utilizing an upper centrallylocated fastening element. The vertical clamping force fromthe fastening element is arranged to keep the batteries inplace but exerts at the same time a large force on the batteryThe design of the fastening element, housing. having a cross- shaped configuration defining four arms gripping into the batteries all four edges, is therefore intended to spread the force on the upper surface of the battery in order not todamage the housing of the battery. No fixation is done at thelower parts of the batteries and the clamping force will bedecreased by time due to the relaxation effect in the plastic housing.
The patent document US4l29l94 (Hammond et al.) describes amounting device in the form of a frame element made of fourparallel angle members engaging with the upper sides/edges ofthe batteries, placed side by side in a battery box. The endsof the angle members are connected by flat end plates andbolts are located between the batteries, from the bottom support of the battery box up to, and mounted to, the upper frame element. No fixation is done at the lower parts of thebatteries. The bolts have therefore to be tightly installed.If the bolts are tightened too much/hard the housing of thebatteries may be damaged. No fixation/support is done at thelower parts of the battery housings and the clamping forcewill eventually be decreased by time due to the relaxationeffect in the plastic housings.
The Japanese patent document JPHO83299l7 (Kazunori/Toyota)describes a mounting device primarily intended for a passengercar. The design of the fastening device allows one battery ata time to be removed while the other will still be fixed. Thebatteries are positioned slightly offset in relation to eachother and the vertical pressure to each battery is focused toa small area of the upper side of each battery. This fasteningdevice may keep the batteries in place mainly in onedirection, across the batteries, but in the other directionsthe fastening device will not successfully keep the batteriesin place, if/when they will be exposed to large vibrations and due to the relaxation effect in the plastic housings.
Other solutions to this problem exist in the market but noneof these prior art devices illustrates a fastening device thatkeeps large batteries safe in place when exposed to heavy vibrations.
SUMARY OF THE INVENTION One object of the present invention is to solve the abovementioned problems and to provide a simple fastening devicekeeping the batteries in their intended positions withoutexerting a too large vertical force on the upper surface of the battery housing.
Another object of the invention is to provide a fasteningdevice that does not need extensive redesign of the battery box.
Another object of the invention is to provide a fasteningdevice that allows batteries with different sizes to be usedin the battery box with just changing the lower fastening element to one adapted to the new size to the batteries.
Another object of the invention is to create a fasteningdevice that does not comprise a number of space consuming orheavy components and should not need extra space in the vehicle.A further object of the invention is to create a fasteningdevice that offers precise control over primarily the location of two or more batteries in a vehicle.
A further object of the invention is that installation of the fastening device should be very easy and that it should be easy to service or change the batteries.
These and further objects and advantages is achieved by theinvention by creating a fastening device designed in accordance with the features recited in claim l.
The invention relates to a system for fastening of batteries on a vehicle and the fastening device principally comprises ofan upper fastening element, a lower fastening element and avertical connecting element arranged between the upper andlower fastening elements. The vertical connecting element, e.g. one or more stud or pin screws/bolts, are primarilyarranged in the narrow space between two batteries positionedside by side and connects the upper fastening element(s) tothe lower fastening element as well as to the base plate ofthe battery box.
The upper fastening element comprises of at least one, prefer- ably two, overlaying yokes of metal, each located across bothbatteries and reaching from the outer edge of the firstbattery to the opposed outer edge of the second battery. Theouter edges of each fastening element are folded downwardsforming a grip, allowing the fastening elements to grip overthe outer edges of the batteries, in order to avoid thebatteries to slide sideward. If one of the batteries willbegin to slide in a direction out from the other battery, thefirst battery thereby will try to pull along the secondbattery through the overlaying yoke(s). This motion will bestopped by means of the lower fastening element that isremovable fixed to the base plate and both batteries will stayin their intended positions. The lower fastening element is arranged with T-formed ends which extend around the batteries lower corners thereby preventing the batteries from sliding intheir longitudinal direction, in the right angle compared tothe positioning of the overlaying yokes.
At least two connecting element(s) are installed for each lower fastening element, if more than one is used. The vertical connecting element(s) may be formed as pin screws/-bolts designed with a conical part at the lower end by whichit is centered in the mounting holes of the lower fasteningelement and screwed to the base plate of the battery box. Thelower fastening element is thereby safely fixed in alldirections. Thus the pin bolts connects the upper fastening elements, by a further upper screw joint, to the lower fastening element. The batteries are than fixed in alldirections, both in all horizontal directions but also in the vertical direction.
The fastening device according to the invention therebyreduces the need for a high clamping force on the batteriesupper housing part which in turn reduces the stress on thebatteries housing and the fastening device will still keep thebatteries safely in their intended positions. a rubber mat In the battery box, underneath the batteries, could be located. This rubber mat is fixed by the pin screws,increasing the friction between the base plate and thebatteries and is designed with heels in order to prevent the batteries from sliding horizontally.
The main advantages of the inventive solution are that thefastening device comprises only a few easy to install anddismantle components and by its design still will keep thebatteries safe in their intended positions in spite of excessive shakings or vibrations in the vehicle. A further advantage is that batteries with different sizes may be usedin the vehicle and placed in the battery box with just chang-ing the lower fastening element to one adapted in length to the size to the new batteries.
Further features and advantages of the invention will beapparent from the following, more detailed description of the invention and the accompanying drawings and the claims.
BRIEF DESCRIPTION OF THE DRAWINGS The invention is described below in some preferred embodiments illustrated in the accompanying drawings.
Figure la is a perspective view illustrating two batteriesmounted side by side in a vehicle using a fastening device according to the invention.
Figure lb shows the same view as figure la but with onebattery removed in order to illustrate the lower fastening elements/parts in more detail.
Figure 2a is a side view illustrating of an overlaying fastening element connected to a vertical fastening element.
Figure 2c is the same side view as illustrated in figure 2a ofan overlaying fastening element but here the fastening elementis installed and clamped to the batteries (not shown).Figure 2c is a side view illustrating the two batteriesinstalled by means of one or more vertical fasteningboth located element(s) and the lower fastening element, between the two adjacent batteries.
Figure 3 is a top view illustrating the different parts of thefastening device installed above and between the two batteries.
Figure 4 illustrates one of the parts of the fastening device, the bar or lower fastening element with T-formed ends.
Figure 5 is a cross section of the lower fastening elementaccording to figure 4 and a vertical fastening element with a lower cone formed segment.
Figure 6 is a perspective view of a rubber mat arranged in the battery box, underneath the batteries.
DESCRIPTION OF PREFERRED EMBODIMENTS The present invention relates to a fastening device forvehicle batteries, primarily for fastening of batteries in aheavy commercial vehicle, such as a truck or a bus.Figure la is a perspective view illustrating two batteriesla,b mounted side by side in a vehicle using a fasteningdevice 2 according to the invention. The fastening device 2principally comprises of an upper fastening element 3, a lowerfastening element 4 and a vertical connecting element 5arranged between the upper and lower fastening elements 3,4,extending through these elements. The vertical connecting element 5, one or more stud/pin screws/bolts, are e.g.primarily arranged in the narrow space between the two batteries la,b, positioned side by side, and connects theupper fastening element 3 and the lower fastening element 4 to a base plate 6 of the battery box.
The upper fastening element 3 comprises of at least one, preferably two, overlaying yokes of metal, each located acrossboth batteries la,b and reaching from the outer edge of thefirst battery la to the opposed outer edge of the secondbattery lb. The outer edges of each fastening element 3 arefolded downwards forming a grip 7, allowing the fasteningelements 3 to grip over the edges of the batteries la,b. Inthis manner it is avoided that the batteries la,b slidesideward. The overlaying yokes 3 are provided with foldedsides 8 in order to make them ridged in their longitudinal direction.
Figure lb shows the same view as figure la but with one battery la removed in order to illustrate the lower fasteningelement 4 in more detail. The vertical connecting elements 5,the pin screws/bolts, are primarily arranged between the upperfastening element(s) and the lower fastening element 4 and arescrewed to the base plate 6 of the battery box, by means of welded nuts 12 (see e.g. figure 5).
Figure 2a is a side view illustrating one of the overlayingyokes 3 connected to a vertical fastening element 5, a pinscrew. A spring 9 is arranged on top of the yokes 3 bottom plate lO, biased by a nut ll on the connecting elements 5, the pin screw, and intended to press the yoke 3 onto the top ofthe battery distributing the mechanical load to a larger areaof the battery upper surface (not shown).
Figure 2b is the same side view as illustrated in figure 2a ofthe overlaying yoke 3, but here the nut ll on the pin screw 5is tighten and the yoke 3 is pressed against the top of the batteries (not shown).
Figure 2c is a side view illustrating the two batteries la,binstalled by means of a fastening device 2 according to theinvention. At least one vertical fastening element 5 connectsthe upper fastening element 3 to the lower fastening element 4and the lower fastening element 4 is in turn releasable fixedto the base plate 6 of the battery box, by means of a welded nut 12.
Figure 3 is a top view illustrating the different parts of thefastening device 2. The lower fastening element 4 is locatedbetween the two batteries la,b and its T-formed ends 4a,b keepthe batteries la,b in place in two horizontal directions. Theoverlaying yokes 3 are arranged in substantially right anglein relation to the lower fastening element 4, and above the batteries la,b.
Figure 4 illustrates one of the parts of the fastening device2, the bar formed lower fastening element 4 with its T-formedends 4a,b. This part is preferable made of plastic or metal and provided with somewhat bevelled mounting holes 13.
Figure 5 is a cross section of the lower fastening element 4according to figure 4 and a part of the vertical fasteningelement 5. The vertical fastening element 5 is provided with alower cone formed segment l4 for centering of the lowerfastening element 4 and for fixing the lower fastening element4 to the base plate 6 of the battery box, by means of a welded nut l2 or the like.
Figure 6 is a perspective view of a rubber mat 15 arranged onthe base plate 6 of the battery box, underneath the batteries,indicated by dotted lines.This rubber mat l5 is fixed by the pin screws (not shown) through holes l6, increasing the friction between the base plate 6 and the batteries la,b and 11 is designed with heels l7a-d in order to prevent the batteries la,b from sliding horizontally.
The above description is primarily intended to facilitate theunderstanding of the invention. However the invention is ofcourse not in any way restricted to only the disclosed embodi-ments, but many possibilities to modifications would beapparent to a person skilled in the art within the scope ofthe invention without departing from the basic idea of the invention as defined in the appended claims.

Claims (11)

1. Fastening device (2) for at least one battery (la,b),primarily for fastening of two or more batteries (la,b) on aheavy commercial vehicle, such as in a truck or in a bus,comprising a battery box with a base plate (6) and at leastone upper fastening element (3),characterized in that - a lower fastening element (4) (4a,b) is arranged with T-formedends and located at the side of the lower part ofthe battery (la,b), preferable located between two batteries (la,b) positioned side by side, and - that the lower fastening element (4) is releasable fixed to the base plate (6) of the battery box by a verticalfastening element (5).
2. Fastening device (2) according to claim l, characterized in that at least one vertical fastening element (5) is arranged to connect an upper fastening element (3) to the lower fastening element (4).
3. Fastening device (2) according to claim l or 2, characterized in that the vertical fastening element (5) is a stud/pin screw/bolt.
4. Fastening device (2) according to any preceding claim, characterized in that the vertical fastening element (5) (14) is provided with a conicalpart for centering and fixing the lower fastening element(4) safely to the base plate (6).
5. Fastening device (2) according to any preceding claim, characterized in that 13 the lower fastening element (4) is releasable fixed to the base plate (6) by means of a screw joint.
6. Fastening device (2) according to any preceding claim,characterized in that the upper fastening element (3) is provided with folded ends(7) in order to grip around the upper outer edges of thebatteries (la,b).
7. Fastening device (2) according to any preceding claim,characterized in that the upper fastening element (3) is provided with folded sides(8) in order to make it longitudinal rigid.
8. Fastening device (2) according to any preceding claim,characterized in that the upper fastening element (3) is provided with a spring (9)intended to distribute the mechanical load to a larger area of(la,b) the batteries upper surfaces.
9. Fastening device (2) according to claim 3 to claim 8,characterized in that(15) is(la,b) a rubber mat arranged in the battery box, underneath the batteries(5), friction between the base plate (6) and fixed by the vertical fastening element the pin screws, and intended to increase the and the batteries (la,b).
10. Fastening device (2) according to claim lO, characterized in that(15) in order to the rubber mat is designed with heels (la,b) (l7a-d)prevent the batteries from sliding horizontally sideways. 14
11. ll. Vehicle provided with a fastening device (2) according to any of the claims l-10.
SE1451559A 2014-12-17 2014-12-17 Fastening device for batteries, especially batteries for vehicles SE538555C2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE1451559A SE538555C2 (en) 2014-12-17 2014-12-17 Fastening device for batteries, especially batteries for vehicles
DE102015015209.2A DE102015015209A1 (en) 2014-12-17 2015-11-24 Fastening device for batteries, in particular for vehicle batteries

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1451559A SE538555C2 (en) 2014-12-17 2014-12-17 Fastening device for batteries, especially batteries for vehicles

Publications (2)

Publication Number Publication Date
SE1451559A1 SE1451559A1 (en) 2016-06-18
SE538555C2 true SE538555C2 (en) 2016-09-20

Family

ID=56097911

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1451559A SE538555C2 (en) 2014-12-17 2014-12-17 Fastening device for batteries, especially batteries for vehicles

Country Status (2)

Country Link
DE (1) DE102015015209A1 (en)
SE (1) SE538555C2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108155323A (en) * 2018-02-08 2018-06-12 安徽零度新能源科技有限公司 Dynamic lithium battery group battery case structure for arranging wires
DE102018208946A1 (en) * 2018-06-06 2019-12-12 Robert Bosch Gmbh battery module
CN114709540B (en) * 2022-03-14 2024-03-12 江苏天钧精密技术有限公司 Quickly installable battery box hoisting round sleeve manufacturing method and hoisting round sleeve body

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4128194A (en) 1975-04-28 1978-12-05 Hinz Gerhardt J Carrying apparatus detachably mountable on clothing and other fabric-like materials
US5040627A (en) 1990-06-14 1991-08-20 Caterpillar Inc. Mounting apparatus for a battery
JP3144295B2 (en) 1995-03-24 2001-03-12 トヨタ車体株式会社 Battery mounting structure

Also Published As

Publication number Publication date
SE1451559A1 (en) 2016-06-18
DE102015015209A1 (en) 2016-06-23

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