CN207097887U - Battery container and its bottom deck assembly - Google Patents
Battery container and its bottom deck assembly Download PDFInfo
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- CN207097887U CN207097887U CN201720653817.8U CN201720653817U CN207097887U CN 207097887 U CN207097887 U CN 207097887U CN 201720653817 U CN201720653817 U CN 201720653817U CN 207097887 U CN207097887 U CN 207097887U
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- transverse beam
- aluminium sheet
- battery container
- deck assembly
- bottom deck
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- 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
Abstract
The utility model discloses a kind of battery container and its bottom deck assembly, bottom deck assembly includes：Aluminium sheet；First transverse beam and second transverse beam, first transverse beam and second transverse beam are longitudinally spaced from and are separately fixed on the aluminium sheet, and first transverse beam and second transverse beam are section bar beam；For installing multiple installed parts of battery management system, the multiple installed part is arranged on the aluminium sheet and is distributed between first transverse beam and second transverse beam.Thus, by setting aluminium sheet, the weight of battery container can be reduced, and by setting installed part between the first transverse beam and the second transverse beam, the installation reliability of battery management system can be improved.
Description
Technical field
It the utility model is related to technical field of vehicle, more particularly to a kind of bottom deck assembly of battery container and there is the bottom plate
The battery container of component.
Background technology
With increasingly being paid attention to the problem of environmental pollution by compatriots, the vehicle of clean energy resource is fast-developing, for example, electronic vapour
Car.The battery of electric automobile is generally fixed at the chassis of vehicle, in order to ensure the fixation reliability of battery modules, battery container
The general material higher from structural strength is made, and still, the weight of battery modules in itself is just very big, in addition the larger electricity of weight
Pond housing, cause whole battery weight big, increase the overall weight of vehicle, and be unfavorable for the increase of distance travelled.
In addition, position of the battery management system in battery container is at random, and battery container is to installation battery management system
The protecting effect of system is poor, needs to improve.
Utility model content
The utility model is intended to one of technical problem at least solving in correlation technique to a certain extent.Therefore, this reality
With a kind of bottom deck assembly of battery container of new proposition, the bottom deck assembly is in light weight, and can rationally set battery guard system
Position.
The utility model further proposes a kind of battery container.
According to the bottom deck assembly of battery container of the present utility model, including：Aluminium sheet；First transverse beam and described second is laterally
Beam, first transverse beam and second transverse beam are longitudinally spaced from and are separately fixed on the aluminium sheet, and described
One transverse beam and second transverse beam are section bar beam；For installing multiple installed parts of battery management system, the multiple peace
Piece installing is arranged on the aluminium sheet and is distributed between first transverse beam and second transverse beam.
According to the bottom deck assembly of battery container of the present utility model, by setting aluminium sheet, the weight of battery container can be reduced
Amount, and by setting installed part between the first transverse beam and the second transverse beam, the installation of battery management system can be improved
Reliability.
In some examples of the present utility model, it is connected between first transverse beam and second transverse beam multiple
The multiple installed part is spaced apart by second longitudinal direction beam, the multiple second longitudinal direction beam.
In some examples of the present utility model, the multiple installed part includes：Mainboard installing plate, the mainboard installing plate
Between two second longitudinal direction beams.
In some examples of the present utility model, multiple heat emission holes are provided with the mainboard installing plate.
In some examples of the present utility model, the multiple heat emission hole is the different circular hole of multiple aperture.
In some examples of the present utility model, the multiple installed part includes：Mounting bracket, the mounting bracket is in
U-shaped.
In some examples of the present utility model, the lower end of the mounting bracket is provided with fixed flange.
In some examples of the present utility model, the mounting bracket is the aluminium sheet being inverted U shape.
In some examples of the present utility model, the installed part is welded and fixed with the aluminium sheet.
According to battery container of the present utility model, the bottom deck assembly of described battery container.
Brief description of the drawings
Fig. 1 is the structural representation according to the battery container of the utility model embodiment；
Fig. 2 is the structural representation of bottom deck assembly；
Fig. 3 is the structural representation of bottom deck assembly；
Fig. 4 is the structural representation for strengthening beam assembly；
Fig. 5 is the structural representation of mainboard installing plate；
Fig. 6 is the structural representation of mounting bracket；
Fig. 7 is the sectional view of the aluminium section bar of gusset；
Fig. 8 is the schematic diagram of gusset and corresponding aluminium section bar；
Fig. 9 is a kind of structural representation of hanger；
Figure 10 is the structural representation of another hanger；
Figure 11 is the schematic diagram of the hanger shown in Figure 10；
Figure 12 is the structural representation of another hanger；
Figure 13 is the structural representation of the hanger shown in Figure 12；
Figure 14 is the schematic diagram of the aluminium section bar cooperation of hanger and gusset；
Figure 15 is the partial structural diagram of the aluminium section bar cooperation of hanger and gusset.
Reference：
Battery container 100；
Bottom deck assembly 10；Aluminium sheet 1；Front 1a；Back 1b；Side 1c；Leading portion 1d；Back segment 1e；Round corner section 1f；Preceding corner edges
1g；Corner edges 1h afterwards；Afterbody reinforcement 12；Afterbody reinforcing plate 13；
Section bar beam 2；First transverse beam 2a；Second transverse beam 2b；3rd transverse beam 2c；4th transverse beam 2d；First longitudinal direction
Beam 2e；Second longitudinal direction beam 2f；3rd longitudinal beam 2g；4th longitudinal beam 2h；Interior aluminium sheet 21；Outer aluminium sheet 22；Reinforcing plate 23；
Gusset 20；Horizontal aluminium section bar 20a；Longitudinal aluminium section bar 20b；Window corner aluminum profile 20c；Hanger card adapter plate 21；Vertical limb
22；Horizontal limb 23；
Hanger 30；Reinforcement 31；Middle cavity 32；
Installed part 40；Mainboard installing plate 41；Heat emission hole 41a；Mounting bracket 42；Fixed flange 42a.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings.Below by
The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that new to this practicality
The limitation of type.
The battery container 100 according to the utility model embodiment is described in detail below with reference to Fig. 1-Figure 15.
As shown in figure 1, it can be included according to the battery container 100 of the utility model embodiment：Bottom deck assembly 10, gusset 20
With multiple hangers 30, bottom deck assembly 10 includes：Aluminium sheet 1, i.e. aluminium sheet 1 are the bottom plate in bottom deck assembly 10, that is to say, that bottom plate is adopted
With aluminium sheet 1, the light weight of aluminium sheet 1, structural strength is preferable, so as to effectively reduce the weight of battery container 100, can cause
Battery container 100 meets the light-weight design requirement of vehicle.The thickness of aluminium sheet 1 can be 3mm, but not limited to this.Wherein, also need
Illustrate, alloy aluminium sheet 1 is one kind of aluminium sheet 1.
As illustrated in figures 1 and 8, gusset 20 includes multiple aluminium section bars, and multiple aluminium section bar head and the tail are in turn connected to form closed loop knot
Structure, aluminium sheet 1 are fixed in gusset 20.So gusset 20 employs the mode that aluminium section bar is spliced, so that gusset
20 light weights, structural strength are preferable.Further, since bottom plate and gusset 20 use aluminum, so as to effectively avoid battery
Battery modules, battery management system in housing 100 are disturbed by the external electric field of extraneous electronic instrument, can play efficient electricity
Magnetic screening action.Wherein, the aluminium section bar in aluminium sheet 1 and gusset 20 can be welded by CMT (cold metal transfer welding technique) and connected
It is connected together, such bottom plate and aluminium section bar soldering reliability is preferable, and welds simple, efficiency high.
As illustrated in figures 1 and 8, multiple hangers 30 are fixed on gusset 20.Multiple hangers 30 can exist according to actual conditions
It is distributed on gusset 20.
Thus, according to the battery container 100 of the utility model embodiment, by setting aluminium sheet 1 and aluminium section bar is spliced into
Gusset 20, the weight of battery container 100 can be effectively reduced, battery container 100 can be caused to meet the light-weight design of vehicle
It is required that and it is possible to prevente effectively from battery modules, battery management system in battery container 100 by the outer of extraneous electronic instrument
Electric jamming, efficient electromagnetic shielding action can be played.
The various pieces of battery container 100 are described in detail successively below in conjunction with the accompanying drawings.
Aluminium sheet 1 in bottom deck assembly 10 once is described first.
As shown in Figures 2 and 3, bottom plate can include：Front 1a, back 1b and two side 1c, front 1a are located at back
1b front side, and front 1a and back 1b be arranged in parallel, and fore-and-aft direction is longitudinal direction, and left and right directions is horizontal direction.Two
Individual side 1c is connected to front 1a and back the 1b left and right sides, corner edges 1g, side before being connected between front 1a and side 1c
Rear corner edges 1h is connected between side 1c and back 1b, each side 1c includes：Leading portion 1d, back segment 1e and be connected to leading portion 1d and
Round corner section 1f between back segment 1e.The bottom plate being arranged such can be advantageous to the bottom space phase of battery container 100 and vehicle
Match somebody with somebody, and can be in order to the battery modules of the effectively support side of being fixed thereon of bottom deck assembly 10.It should also be noted that, corner edges
Setting can make it that two side transition of adjacent different directions are smooth and natural.
Further, as shown in figure 3, the angle between preceding corner edges 1g and round corner section 1f and leading portion 1d is respectively α 1, α 2,
Angle between round corner section 1f and back segment 1e is α 3, wherein, 3≤160 ° of 120 °≤α 1=α 2=α.That is, preceding corner edges
Bearing of trend between 1g and round corner section 1f is identical, by corner edges 1g and round corner section 1f bearing of trend before setting, can make
Side 1c and front 1a transition are obtained naturally, and transition between leading portion 1d and back segment 1e can be caused naturally, can cause bottom plate
Anterior global design it is reasonable, load bearing effect is good, and can also improve the structural reliability of bottom plate, can improve bottom plate and side
Enclose the matching degree between 20.
Further, as shown in figure 3, rear angle between corner edges 1h and back 1b is α 4, wherein, 4≤180 ° of 150 °≤α.
Meeting rear the corner edges 1h and back 1b of above-mentioned relation formula can make it that the rear design of bottom plate is reasonable, can improve battery container
100 and vehicle bottom space matching.
In addition, as shown in figure 3, L1, L2, L3, L4 are respectively the front 1a of bottom plate, side 1c leading portion 1d, side 1c
Back segment 1e and back 1b length, wherein, 700mm≤L1≤800mm, 250mm≤L2≤350mm, 1100mm≤L3≤
1200mm, 750mm≤L4≤850mm.Thus, in the case of the bottom space limitation of vehicle, by rationally designing aluminium sheet 1
Front 1a, back 1b and two side 1c, can cause battery container 100 to carry battery modules to greatest extent, can extend
The distance travelled of vehicle, and battery modules reasonable layout on battery container 100 can be caused.
Further, 0.8≤L1:L4≤1.2,0.1≤L2:L3≤0.4.Thus, it is possible to preferably limit battery modules
Distribution on battery container 100.
Wherein, bottom deck assembly 10 can also include：Strengthen beam assembly, strengthen beam assembly and be fixed on aluminium sheet 1, buttress brace group
Part can include：Multiple section bar beams 2, section bar beam 2 can extend in transverse direction, can also be extendable in the longitudinal direction, below in
Appearance is described in detail again.
As Figure 1-Figure 4, strengthening beam assembly also includes：Section bar beam 2, section bar beam 2 can be multiple, and multiple section bars
Beam 2 is separately fixed on aluminium sheet 1.Section bar beam 2 can play a part of the structural strength of stiffened aluminium sheet 1, and be set on section bar beam 2
There are multiple circular holes, circular hole can be blind nut mounting hole, and section bar beam 2 is connected with battery modules by blind nut.Thus, it is electric
Pond module can be fixed on aluminium sheet 1 by section bar beam 2, and blind nut can be by section bar beam 2 and battery modules well
Connection, thereby may be ensured that fixation reliability of the battery modules on bottom deck assembly 10.Also section bar beam 2 be section bar manufacture and
Into such integral arrangement of section bar beam 2 is simple, so as to reduce the manufacture difficulty of bottom deck assembly 10, can improve bottom deck assembly
10 manufacturing.
Specifically, as Figure 1-Figure 4, multiple section bar beams 2 respectively multiple transverse beams and multiple longitudinal beams, multiple transverse directions
Beam is longitudinally spaced from setting, and the edge of multiple transverse beams is extended at the 1c of side, and so multiple transverse beams can be
Aluminium sheet 1 is strengthened on horizontal direction, and distribution is opened because multiple transverse beams are longitudinally spaced, can so cause each horizontal stroke
The region near it is strengthened to beam, bottom plate whole region strengthened so as to multiple transverse beams, and then can be with
The structural strength of aluminium sheet 1 is preferably improved, and can be distributed in order to battery modules on whole aluminium sheet 1.
Multiple longitudinal beams are connected between two adjacent transverse beams and are connected to the transverse beam positioned at longitudinal direction front side
Front side.It is understood that a part of longitudinal beam can be connected to the front side of the transverse beam positioned at longitudinal direction front side, another part is indulged
It can be connected to beam between two adjacent transverse beams.Thus, it is possible to so that longitudinal beam stiffened aluminium sheet 1 in the vertical it is same
When, the effect of self-contained battery module can also be effectively played, also have, such longitudinal beam can effectively connection reinforcement transverse beam, from
And the globality for strengthening beam assembly can be improved, it can make it that strengthening beam assembly preferably strengthens whole aluminium sheet 1, and preferably
Fixed multiple battery modules.
Wherein, transverse beam and longitudinal beam can be aluminium alloy extrusions beam 2.Aluminium alloy extrusions beam 2 it is in light weight, structure is strong
Spend, so strengthening beam assembly can preferably stiffened aluminium sheet 1, and battery container 100 can be caused to meet the light weight of vehicle
Change design requirement.
Further, multiple longitudinal beams include：First longitudinal direction beam 2e, first longitudinal direction beam 2e are connected to positioned at longitudinal direction front side
The midpoint of transverse beam, and first longitudinal direction beam 2e extends to longitudinal direction front side.Transverse beam wherein positioned at longitudinal direction front side is first
Transverse beam 2a, first longitudinal direction beam 2e from the first transverse beam 2a midpoint extend forward, can so cause the first transverse beam 2a
With both first longitudinal direction beam 2e is common effectively strengthens the front portion of bottom plate, and can so make it that the first transverse beam 2a and first is vertical
It is effectively fixed positioned at anterior battery modules to beam 2e.
Specifically, as shown in figure 3, the distance between first longitudinal direction beam 2e to the side 1c of both sides leading portion 1d is identical,
Distance between first longitudinal direction beam 2e to side 1c leading portion 1d is n1, wherein, 350mm≤n1≤450mm.So pass through conjunction
Removing the work puts first longitudinal direction beam 2e positions on aluminium sheet 1, and the rationally anterior width of limitation aluminium sheet 1, can cause aluminium sheet 1
It is anterior reasonable in design, anterior preferably carrying and the self-contained battery module of bottom plate can be caused.
Wherein, the quantity of the longitudinal beam between two transverse beams is at least two, between two transverse beams
Multiple longitudinal beams are symmetrical on the axis of aluminium sheet 1.So multiple longitudinal beam connection and reasonable arrangements, multiple longitudinal beams pass through symmetrical
Distribution, can improve the bonding strength between adjacent transverse beam, and can be in order to the fixation of battery modules, so as to carry
Fixation reliability of the high battery modules on bottom deck assembly 10.
Specifically, as Figure 1-Figure 4, multiple transverse beams include：The first transverse beam being distributed from longitudinal direction front side to rear side
2a, the second transverse beam 2b, the 3rd transverse beam 2c and the 4th transverse beam 2d, are connected between the first transverse beam 2a and the second transverse beam 2b
There are four second longitudinal direction beam 2f, be connected with two the 3rd longitudinal beam 2g between the second transverse beam 2b and the 3rd transverse beam 2c, the 3rd
Two the 4th longitudinal beam 2h are connected between transverse beam 2c and the 4th transverse beam 2d.The reinforcement beam assembly being arranged such can cause
Reinforcement beam assembly globality is preferable, and bulk strength is higher, can preferably carry self-contained battery module.
Wherein, as shown in figure 3, the first transverse beam 2a to front 1a distance is m1, wherein, 450mm≤m1≤550mm.
Multiple regions can be divided into by aluminium sheet 1 by so strengthening beam assembly, be analyzed to identify by carrying out test of many times, met above-mentioned relation formula
The first transverse beam 2a can the effectively anterior structural strength of stiffened aluminium sheet 1, and can be in order to the fixation of battery modules.And
And as shown in figure 3, junctions of the first transverse beam 2a between round corner section 1f and back segment 1e, such first transverse beam 2a can
Effectively to strengthen the structural strength of the junction.
Further, the distance between the first transverse beam 2a and the second transverse beam 2b are m2, and the second transverse beam 2b and the 3rd is laterally
The distance between beam 2c is m3, and the distance between the 3rd transverse beam 2c and the 4th transverse beam 2d are m4, after the 4th transverse beam 2d is arrived
Side 1b distance is m5, wherein, 300mm≤m2=m3=m4≤400mm, 50mm≤m5≤100mm.As shown in figure 3, front and rear
On direction, junctions of the first transverse beam 2a between round corner section 1f and back segment 1e, the second transverse beam 2b and the 3rd transverse beam
2c respective sides 1c back segment 1e, and the junction after the 4th transverse direction correspondence between corner edges 1h and back segment 1e, such first
Transverse beam 2a, the second transverse beam 2b, the 3rd transverse beam 2c and the 4th transverse beam 2d will can be strengthened behind the piecemeal area of aluminium sheet 1,
And by rationally limiting the position between adjacent transverse beam, can make it that each area distribution is reasonable, so that
Strengthen beam assembly to become more meticulous to the stiffening effect of aluminium sheet 1, load of the battery container 100 to battery modules can be improved, can be with
Extend the service life of battery modules.
Wherein, four second longitudinal direction beam 2f are symmetrical on the axis of aluminium sheet 1, that is to say, that on a left side for axis
Right both sides are distributed with two second longitudinal direction beam 2f, and two second longitudinal direction beam 2f close to axis are symmetrical, two
Second longitudinal direction beam 2f away from axis is symmetrical.
As shown in figure 3, two second longitudinal direction beam 2f side 1c distances corresponding to positioned at outside are n2, positioned at outside
Second longitudinal direction beam 2f and it is corresponding positioned at the distance between second longitudinal direction beam 2f of inner side be n3, two be located at inner side second
The distance between longitudinal beam 2f is n4, wherein, 150mm≤n2≤200mm, 225mm≤n3≤275mm, 150mm≤n4≤
200mm.Thus, in the region between the first transverse beam 2a and the second transverse beam 2b, second longitudinal direction beam 2f passes through reasonable layout
Respective position, it can make it that area distribution of the aluminium sheet 1 between the first transverse beam 2a and the second transverse beam 2b is uniform, integrally hold
Load property is more preferable.
Moreover, the as shown in figure 3, axis pair of two the 3rd longitudinal beam 2g and two the 4th longitudinal beam 2h on aluminium sheet 1
Claim distribution and identical to side 1c distance, the 3rd longitudinal beam 2g to side 1c distance is n5, two the 3rd longitudinal beam 2g it
Between distance be n6, wherein, 450mm≤n5≤550mm, 150mm≤n6≤200mm.Thus, the 3rd longitudinal beam 2g and the 4th is vertical
It is reasonable to beam 2h location arrangements, adjacent transverse beam can be effectively connected, and the structural strength of aluminium sheet 1 can be effectively improved.
Specifically, the first transverse beam 2a, the second transverse beam 2b and the 3rd transverse beam 2c width d2 are identical, and first is horizontal
It is more than the 4th transverse beam 2d width d3 to beam 2a, the second transverse beam 2b and the 3rd transverse beam 2c width d2.Due to the first horizontal stroke
The main region of aluminium sheet 1 is corresponded to beam 2a, the second transverse beam 2b and the 3rd transverse beam 2c, and there is space at the 4th transverse beam 2d
Limited, so the width by rationally limiting transverse beam, can cause transverse beam can effectively stiffened aluminium sheet 1 while,
The influence to the upper space of aluminium sheet 1 can be reduced, so strengthen beam assembly can with regard to stiffened aluminium sheet 1 and reduce to battery modules
Influence between find a balance.
First longitudinal direction beam 2e width d1 is more than second longitudinal direction beam 2f width d4, the 3rd longitudinal beam 2g and the 4th longitudinal beam
2h width d5 is identical, and the 3rd longitudinal beam 2g and the 4th longitudinal beam 2h width d5 is less than second longitudinal direction beam 2f width
d4.Such 3rd longitudinal beam 2g and the 4th longitudinal beam 2h layout is identical, so that the second transverse beam 2b, the 3rd transverse beam
2c and the 4th transverse beam 2d, and the structural strength at the 3rd longitudinal beam 2g and the common rear portions of stiffened aluminium sheet 1 of the 4th longitudinal beam 2h, and
And it can effectively fix the battery modules positioned at the rear portion of aluminium sheet 1.
Wherein, as shown in figure 3, first longitudinal direction beam 2e width is d1, wherein, 50mm≤d1≤80mm, 50mm≤d2≤
80mm, 20mm≤d3≤50mm, 30mm≤d4≤60mm, 10mm≤d5≤30mm.It is understood that transverse beam and longitudinal beam
Can be aluminium alloy extrusions beam 2, so by the way that various sizes of aluminium alloy extrusions beam 2 is spliced to form into a buttress brace group
Part, the reinforcement beam assembly are just obtained by carrying out reasonable mechanical, carrying and performance evaluation.
Further, 0.8≤d1:D4≤1.0,1.8≤d2:D3≤2.2,2≤d4:D5≤2.5,1.0≤d3:d5≤
1.5.The reinforcement beam assembly being arranged such is reasonable in design, and globality is preferable, and better reliability.
According to a specific embodiment of the present utility model, as shown in Fig. 2 being connected with afterbody on rear side of the 4th transverse beam 2d
Reinforcement 12.Afterbody reinforcement 12 can be used for the structural strength for strengthening the 4th transverse beam 2d, and the 4th transverse beam 2d structure is strong
Degree is limited to the width of its own, but by setting multiple afterbody reinforcements 12, structural strength can be made up.It is preferred that
Ground, multiple afterbody reinforcements 12 are spaced apart set in a lateral direction, and so multiple afterbody reinforcements 12 can be in horizontal direction
Uniformly strengthen the 4th transverse beam 2d.
Alternatively, as shown in Fig. 2 the 4th transverse beam 2d left and right ends are connected with afterbody reinforcing plate 13.Afterbody reinforcing plate
13 can equally strengthen the 4th transverse beam 2d, but also can be with the back 1b of stiffened aluminium sheet 1.Specifically, afterbody reinforcing plate 13 is
Right angled triangle and hypotenuse overlaps with rear corner edges 1h.So afterbody reinforcing plate 13 is reasonable in design, the stability of the row shape of right angle three
More preferably, so as to preferably strengthening the 4th transverse beam 2d.
Thus, automobile is starting, accelerated or when being knocked into the back, because the 4th transverse beam 2d of the influence afterbody of inertia will be by
The extruding force that battery modules in battery container 100 apply to it, the instantaneous dynamics of this extruding force is very big, afterbody reinforcement 12 and tail
Portion's reinforcing plate 13 can avoid the 4th transverse beam 2d extrusion fractures.Moreover, afterbody reinforcement 12 is added using existing section material section
Work forms, and improves stock utilization.Afterbody reinforcing plate 13 uses bending sheets, and bending sheets are that aluminium flitch bending forms,
It is welded on by MIG (welding) on aluminium sheet 1.
The concrete structure for strengthening the buttress brace (i.e. section bar beam 2) in beam assembly is described in detail in conjunction with Fig. 7 below.
As shown in fig. 7, buttress brace includes：Aluminium sheet and reinforcing plate 23, aluminium sheet and reinforcing plate 23 are inverted U shape, and aluminium sheet
It is laminated and fixes with reinforcing plate 23.Thus, by setting aluminium sheet, the weight of section bar beam 2 can be reduced, and by setting reinforcing plate
23, it can effectively strengthen the structural strength of buttress brace, and by the way that aluminium sheet and reinforcing plate 23 are laminated into fixation, it is ensured that both
Between reliability.Alternatively, reinforcing plate 23 is steel plate, and the structural strength of steel plate is preferable.
Specifically, as shown in fig. 7, aluminium sheet is two layers and is respectively that interior aluminium sheet 21 and outer aluminium sheet 22, the sandwiched of reinforcing plate 23 are consolidated
It is scheduled between interior aluminium sheet 21 and outer aluminium sheet 22.In other words, buttress brace can be three-layer composite structure, interior aluminium sheet 21 and outer aluminium sheet 22
Reinforcing plate 23 centre can be folded in, so reinforcing plate 23 can be can avoided while buttress brace structural strength is improved
Damage corrosion, so as to extend the service life of buttress brace.
According to an alternative embodiment of the present utility model, the thickness of interior aluminium sheet 21 is less than or equal to the thickness of outer aluminium sheet 22.
The global reliability of buttress brace can so be ensured, and can make it that the stiffening effect of reinforcing plate 23 is preferable.Further, outside
The thickness of aluminium sheet 22 is t1, and the thickness of reinforcing plate 23 is t2, and the thickness of interior aluminium sheet 21 is t3, wherein, wherein 0.7mm≤t2≤t3
≤t1≤5mm.By rationally setting the thickness of three, can avoid strengthening while buttress brace structural strength is ensured
Beam weight is excessive, can cause buttress brace lighter in weight.
Preferably, 2≤t1:t2≤3.So by controlling the thickness of outer aluminium sheet 22 and reinforcing plate 23, can directly affect
The structural strength of buttress brace, the reinforcement beam strength being arranged such is high, good reliability.
Wherein, the width of buttress brace is d, and reinforcement depth of beam is h, wherein 2≤d:h≤4.So buttress brace itself designs
Rationally, so that buttress brace effective self-contained battery module on aluminium sheet, and buttress brace can preferably be strengthened
The structural strength of aluminium sheet 1.
Alternatively, interior aluminium sheet 21 and outer aluminium sheet 22 are adhesively fixed with reinforcing plate 23 respectively.Interior aluminium can be caused by being adhesively fixed
Connection reliability between plate 21 and outer aluminium sheet 22 and reinforcing plate 23 is preferable, and adhering fixed mode is simple, and cost is low.Specifically
Ground, adhesive linkage, interior aluminium sheet 21 and at least one in reinforcing plate 23 are provided with least one in outer aluminium sheet 22 and reinforcing plate 23
Adhesive linkage is provided with individual.
Describe to be used for the multiple installed parts 40 for installing battery management system in conjunction with Fig. 1, Fig. 2, Fig. 5 and Fig. 6 below.
Multiple installed parts 40 are arranged on aluminium sheet 1, and multiple installed parts 40 are distributed in the horizontal strokes of the first transverse beam 2a and second
To between beam 2b.Thus, battery management system can be distributed in the region between the first transverse beam 2a and the second transverse beam 2b,
And installed part 40 can play a part of installing self-contained battery management system, the fixation reliability of such battery management system compared with
It is good.Installed part 40 is welded and fixed with aluminium sheet 1, is welded and fixed reliable and efficiency high.First transverse beam 2a and the second transverse beam 2b can
To play a part of protecting battery management system.
Moreover, multiple installed parts 40 are spaced apart by multiple second longitudinal direction beam 2f.It should be noted that battery management system can
With including multiple parts, for example, mainboard, from the auxiliary elements such as plate, high-voltage cage, fuse, relay, current divider, multiple portions
Part can be arranged on aluminium sheet 1 by installed part 40 respectively, and due to second longitudinal direction beam 2f setting, can be by first laterally
Region segmentation between beam 2a and the second transverse beam 2b may be mounted at different cut sections into multiple regions, so multiple parts
In domain, so that multiple component interferences influence small, reliable operation.
Wherein, as shown in Figure 2 and Figure 5, multiple installed parts 40 include：Mainboard installing plate 41, mainboard installing plate 41 are arranged on
Between two second longitudinal direction beam 2f.Mainboard can be arranged on aluminium sheet 1 by mainboard installing plate 41, and use platy structure can be with
Be advantageous to the installation of mainboard.And two second longitudinal direction beam 2f of both sides can play a protective role at least to some extent.
Multiple heat emission hole 41a are provided with mainboard installing plate 41.On the one hand heat emission hole 41a can realize lightweight loss of weight,
On the other hand can be in order to radiating.Wherein, as shown in figure 5, multiple heat emission hole 41a are the different circular hole of multiple aperture.So dissipate
Hot hole 41a arrangements are simple, and whole mainboard 41 structures of installing plate are reliable.
Alternatively, multiple installed parts 40 include：Mounting bracket 42, mounting bracket 42 are inverted U shape.Mounting bracket 42 is configured to
Shelf-like, so can be in order to fixed miscellaneous part, and can reduce the material requested of mounting bracket 42.
As shown in fig. 6, the lower end of mounting bracket 42 is provided with fixed flange 42a.Fixed flange 42a can be used for and aluminium sheet
1 fixes, and specifically, both can use and be welded and fixed, and are welded and fixed mode and are welded for MIG.Wherein, mounting bracket 42 is in
The aluminium sheet of U-shaped.Aluminium sheet light weight, and be easy to radiate.
Gusset 20 is described in detail with reference to Fig. 8.
As shown in figure 8, gusset 20 includes multiple aluminium section bars, multiple aluminium section bar head and the tail are in turn connected to form closed loop configuration.Aluminium
Profile structure is simple, in light weight, so that gusset 20 splices easily.Wherein, as shown in figure 8, aluminium section bar can be in L
Shape.The aluminium section bar top of L-shaped can be centered around the lateral of aluminium sheet 1, and bottom can be welded and fixed with aluminium sheet 1, such aluminium section bar knot
Structure is simple, is easy to arrange.
Specifically, as shown in figure 8, multiple aluminium section bars include：Horizontal aluminium section bar 20a, longitudinal aluminium section bar 20b and turning aluminium profiles
Material 20c, horizontal aluminium section bar 20a is two and time interval is opened up and put, before the horizontal aluminium section bar 20a and aluminium sheet 1 of front side
Side 1a is corresponding to be welded and fixed, and is welded and fixed positioned at the horizontal aluminium section bar 20a of rear side is corresponding with the back 1b of aluminium sheet 1.
Longitudinal aluminium section bar 20b is multiple, and multiple longitudinal aluminium section bar 20b are respectively positioned at two horizontal aluminium section bar 20a's
The left and right sides, window corner aluminum profile 20c is multiple, and multiple window corner aluminum profile 20c are obliquely connected to horizontal aluminium section bar respectively
Between two longitudinal aluminium section bar 20b of between 20a and longitudinal aluminium section bar 20b and the same side.That is, a part of turning aluminium
Section bar 20c is connected between horizontal aluminium section bar 20a and longitudinal aluminium section bar 20b, and such a window corner aluminum profile 20c can correspond to aluminium sheet 1
Preceding corner edges 1g and rear corner edges 1h, another part window corner aluminum profile 20c be connected to two longitudinal aluminium section bar 20b of the same side
Between, such a window corner aluminum profile 20c can correspond to the round corner section 1f of aluminium sheet 1.Thus, gusset 20 can preferably with the phase of aluminium sheet 1
Matching, thereby may be ensured that the structural reliability of battery container 100.
Specifically, longitudinal aluminium section bar 20b of the same side is two, and two longitudinal aluminium section bar 20b pass through turning aluminium profiles
Material 20c is connected.Thus, longitudinal aluminium section bar 20b positioned at front side is corresponding with the side 1c of aluminium sheet 1 leading portion 1d, positioned at rear side
Longitudinal aluminium section bar 20b it is corresponding with the side 1c of aluminium sheet 1 back segment 1e, window corner aluminum profile 20c turns with the side 1c's of aluminium sheet 1
Angle section 1f is corresponding.
Alternatively, as shown in figure 8, each aluminium section bar includes vertical limb 22 and horizontal limb 23, vertical limb 22 and horizontal limb 23
It is connected and is mutually perpendicular to, the height H of the vertical limb 22 of all aluminium section bars is identical, and the height of so this gusset 20 is identical, so as to
The overall leveling of gusset 20 is preferable.Preferably, 40mm≤H≤60mm.
It is more than two horizontal aluminium section bar 20a water positioned at the extension elongation of longitudinal aluminium section bar 20b in front horizontal limb 23
The extension elongation of flat limb 23, and the extension elongation of the horizontal limb 23 for the longitudinal aluminium section bar 20b being located behind.Pass through CAE
(computer-aided engineering in Computer Aided Engineering- engineering designs) Stress Map is analyzed, and finds gusset
Stress is larger at the window corner aluminum profile 20c of 20 front end, so the horizontal limb by rationally setting the vertical aluminium section bar positioned at front
23 extension elongation, the stress that can disperse at the front end corner of gusset 20, so as to lift holding at the front end corner of gusset 20
Carry performance.
As shown in figure 8, in the longitudinal direction, the length of two horizontal aluminium section bar 20a horizontal limb 23 is respectively a1 and a4,
The length of two longitudinal aluminium section bar 20b horizontal limb 23 is respectively a2 and a3, wherein, 10mm≤a3≤a1≤a4≤30mm,
40mm≤a2≤80mm.By choosing the length of rational horizontal limb 23, it can make it that the integral arrangement of gusset 20 is relatively reliable, and
It can make it that the load-carrying properties of battery container 100 are preferable.
Further, as shown in figure 8, the longitudinal aluminium section bar 20b being located behind is provided with outwardly directed hanger card adapter plate 21.By
This, hanger 30 is first connected at longitudinal aluminium section bar 20b, and then hanger 30 is welded and fixed with longitudinal aluminium section bar 20b again, so as to
Improve hanger 30 and longitudinal aluminium section bar 20b fixation reliability.As shown in figure 14, hanger card adapter plate 21 can be relative up and down sets
Two level boards put；As shown in figure 15, hanger card adapter plate 21 can also be two L shaped plates being oppositely arranged up and down.
At least one middle cavity is provided with aluminium section bar.Middle cavity can effectively reduce the weight of aluminium section bar.Further,
As shown in figure 8, middle cavity is multiple, and the section of middle cavity is rectangle.It is understood that the middle cavity of rectangle is stable
Property is preferable, can so make it that the structural reliability of aluminium section bar is preferable.
Hanger 30 is described in detail with reference to Fig. 9-Figure 15.
Hanger 30 is broadly divided into three kinds, and the hanger 30 shown in Fig. 9 is a kind of hanger 30, and this kind of hanger 30 can be secured in place
In on the horizontal aluminium section bar 20a in front, and as shown in figure 1, such a hanger 30 can be two.Hanging shown in Figure 10 and Figure 11
Ear 30 is another hanger 30, and such a hanger 30 can be fixed on the window corner aluminum profile 20c between two longitudinal aluminium section bar 20b
On, Figure 12 and hanger 30 shown in Figure 13 are another hanger 30, and such a hanger 30 can be held within longitudinal aluminium at rear
On section bar 20b, and it can be held within the horizontal aluminium section bar 20a at rear.Pass through three kinds of above-mentioned hangers of Proper Match
30, battery container 100 can be enabled to be reliably mounted at the bottom space of vehicle.
Hanger 30 can be aluminium section bar.Above-mentioned three kinds of hangers 30 can be aluminium section bar, aluminium section bar light weight, structural strength
Good, such hanger 30 can ensure the reliability of battery container 100, and can reduce the weight of battery container 100.
Alternatively, as shown in Figure 10-Figure 13, hanger 30 is internally provided with multiple cross one another reinforcements 31, Er Qieduo
The perisporium of individual reinforcement 31 and hanger 30 can limit multiple middle cavitys 32.Reinforcement 31 can effectively strengthen the knot of hanger 30
Structure intensity, the structural reliability of hanger 30 can be improved, and middle cavity 32 can further reduce the weight of hanger 30.
Specifically, as shown in figure 11, β 1, β 2, β 3 are respectively the angle at reinforcement 31, wherein, 1≤90 ° of 60 °≤β,
3≤60 ° of 2≤180 ° of 100 °≤β, 30 °≤β
Specifically, as shown in Figure 10-Figure 13, the section of middle cavity 32 can be triangle, trapezoidal or rectangle.Triangle
Shape, trapezoidal and rectangle stability are preferable, thereby may be ensured that the stability of hanger 30.Wherein triangle can be right angle trigonometry
Shape or obtuse triangle.
Wherein, multiple middle cavitys 32 divide for the upper and lower, are less than positioned at the quantity of the middle cavity 32 on upper strata and are located at lower floor
Middle cavity 32 quantity.Thus, by cavity in reasonable Arrangement 32, it can make it that the integral arrangement of hanger 30 is reasonable,
And structural strength uniformity is preferable everywhere.
Illustrate two kinds of different arrangement forms of hanger 30 below.
As shown in Figure 10 and Figure 11, the middle cavity 32 positioned at upper strata is two, and two middle cavitys 32 are respectively rectangle
And right angled triangle, the middle cavity 32 positioned at lower floor are three, and three middle cavitys 32 are respectively right angled triangle, right angle ladder
Shape and inverted right-angled trapezium.The volume of hanger 30 being arranged such is big, and structural strength is good, and the stability that hanger 30 lifts is good.
As shown in Figure 12 and Figure 13, the middle cavity 32 positioned at upper strata for one and is right-angled trapezium, positioned at the hollow of lower floor
Chamber 32 is two, and two middle cavitys 32 are respectively obtuse triangle and inverted right-angled trapezium.The hanger 30 being arranged such
Structural strength is good, and volume is suitable, and stability is good.
Wherein, as shown in Figure 10-Figure 13, hanger 30 includes upper and lower part, and top section is right-angled trapezium, lower section
For inverted right-angled trapezium.The sectional area of the right-angled trapezium on top is less than the sectional area of inverted right-angled trapezium, so can be so as to
Inverted right-angled trapezium in bottom cooperates with gusset 20 fixes.
The top surface and bottom width of hanger 30 are respectively c1 and c2, wherein, 30mm≤c1≤60mm, 10mm≤c2≤
120mm.The overall volume of so hanger 30 is suitable, and ensures that battery container 100 is reliable in the installation of the bottom space of vehicle
Property.Preferably, 0.5≤c1:c2≤4.
Wherein, the height of hanger 30 can be h, 80mm≤h≤120mm.The height of second of hanger 30 is h2, the third
The height of hanger 30 is h3, wherein 80mm≤h3≤h2≤120mm.The height of the first hanger 30 is h1,250mm≤h1≤
300mm。
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with
Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area
Technical staff the different embodiments or example and the feature of different embodiments or example described in this specification can be entered
Row combines and combination.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (10)
- A kind of 1. bottom deck assembly of battery container, it is characterised in that including：Aluminium sheet；First transverse beam and the second transverse beam, first transverse beam and second transverse beam are longitudinally spaced from and difference It is fixed on the aluminium sheet, first transverse beam and second transverse beam are section bar beam；For installing multiple installed parts of battery management system, the multiple installed part is arranged on the aluminium sheet and is distributed in institute State between the first transverse beam and second transverse beam.
- 2. the bottom deck assembly of battery container according to claim 1, it is characterised in that first transverse beam and described Multiple second longitudinal direction beams are connected between two transverse beams, the multiple installed part is spaced apart by the multiple second longitudinal direction beam.
- 3. the bottom deck assembly of battery container according to claim 2, it is characterised in that the multiple installed part includes：It is main Plate installing plate, the mainboard installing plate are arranged between two second longitudinal direction beams.
- 4. the bottom deck assembly of battery container according to claim 3, it is characterised in that be provided with the mainboard installing plate Multiple heat emission holes.
- 5. the bottom deck assembly of battery container according to claim 4, it is characterised in that the multiple heat emission hole is multiple hole The different circular hole in footpath.
- 6. the bottom deck assembly of battery container according to claim 1, it is characterised in that the multiple installed part includes：Peace Support is filled, the mounting bracket is inverted U shape.
- 7. the bottom deck assembly of battery container according to claim 6, it is characterised in that the lower end of the mounting bracket is set There is fixed flange.
- 8. the bottom deck assembly of battery container according to claim 6, it is characterised in that the mounting bracket is to be inverted U shape Aluminium sheet.
- 9. the bottom deck assembly of battery container according to claim 1, it is characterised in that the installed part welds with the aluminium sheet Connect fixation.
- 10. a kind of battery container, it is characterised in that include the bottom of the battery container according to any one of claim 1-9 Board component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720653817.8U CN207097887U (en) | 2017-06-06 | 2017-06-06 | Battery container and its bottom deck assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720653817.8U CN207097887U (en) | 2017-06-06 | 2017-06-06 | Battery container and its bottom deck assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207097887U true CN207097887U (en) | 2018-03-13 |
Family
ID=61551599
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720653817.8U Active CN207097887U (en) | 2017-06-06 | 2017-06-06 | Battery container and its bottom deck assembly |
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| Country | Link |
|---|---|
| CN (1) | CN207097887U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111384328A (en) * | 2018-12-29 | 2020-07-07 | 比亚迪股份有限公司 | Battery tray, power battery package and vehicle |
| CN111668409A (en) * | 2019-03-08 | 2020-09-15 | 比亚迪股份有限公司 | Battery tray, power battery package and vehicle |
| US11955651B2 (en) | 2019-01-09 | 2024-04-09 | Byd Company Limited | Power battery pack and electric vehicle |
-
2017
- 2017-06-06 CN CN201720653817.8U patent/CN207097887U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111384328A (en) * | 2018-12-29 | 2020-07-07 | 比亚迪股份有限公司 | Battery tray, power battery package and vehicle |
| US11955651B2 (en) | 2019-01-09 | 2024-04-09 | Byd Company Limited | Power battery pack and electric vehicle |
| CN111668409A (en) * | 2019-03-08 | 2020-09-15 | 比亚迪股份有限公司 | Battery tray, power battery package and vehicle |
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