CN206364155U - Battery modules for battery bag - Google Patents

Abstract

The utility model discloses a kind of battery modules for battery bag, including：Module bracket；Electric heating sheets, the electric heating sheets are arranged in the module bracket, and module flexible structure is provided between the electric heating sheets and the module bracket；Battery body, the battery body is arranged on the electric heating sheets；Module flexible structure, the module flexible structure is arranged between the module bracket and the electric heating sheets.According to battery modules of the present utility model it is possible to prevente effectively from electric heating sheets are fitted with module bracket, the dangerous odds of reduction.

Description

Battery modules for battery bag

Technical field

The utility model is related to technical field of vehicle, more particularly to a kind of battery modules for battery bag.

Background technology

Battery modules of the prior art are mainly heated by heating film, fluid heating and high-frequency alternating current electrical heating etc. The heating of mode, wherein heating film is progressively applied to the new energy car battery bag design of each vehicle factory above, in these applications In, most between heating film and module surface to be adhesively fixed using double faced adhesive tape, this fixed form requires the surface that is stuck Smooth, cleaning, and long-term in complex environment in use, double faced adhesive tape easily comes off causes that heating properties decline or even heating is lost Effect, therefore how heating film effectively to be fixed into battery surface is to need in electrokinetic cell heating technique the technology solved to ask Topic.

Utility model content

The utility model is intended at least solve one of above-mentioned technical problem of the prior art to a certain extent.Therefore, A purpose of the present utility model is a kind of battery modules for battery bag of proposition, and the battery modules are it is possible to prevente effectively from electricity Heating plate is fitted with module bracket, the dangerous odds of reduction.

According to the battery modules of the present utility model for battery bag, including：Module bracket；Electric heating sheets, the electricity adds Backing is arranged in the module bracket, and module flexibility knot is provided between the electric heating sheets and the module bracket Structure；Battery body, the battery body is arranged on the electric heating sheets；Module flexible structure, the module flexible structure is set Put between the module bracket and the electric heating sheets.

According to the electrical heating module of the present utility model for battery bag, compressing the power produced by module flexible structure can To ensure that electric heating sheets are effectively fitted with module bracket, prevent module flexible structure from coming off, increase heating effect.

Brief description of the drawings

Fig. 1 is the schematic diagram of the vibration absorber according to the utility model embodiment；

Fig. 2 is the explosive view of the vibration absorber according to the utility model embodiment；

Fig. 3 is the partial sectional view of the vibration absorber according to the utility model embodiment；

Fig. 4 is the sectional view of the vibration absorber according to the utility model embodiment；

Fig. 5 is the schematic diagram of the upper shell according to the utility model embodiment；

Fig. 6 is the close-up schematic view that Fig. 5 circles show A；

Fig. 7 is the partial schematic diagram of the upper shell according to the utility model embodiment；

Fig. 8 is the schematic diagram of the upper shell according to the utility model embodiment；

Fig. 9 is the cooperation schematic diagram of lower house according to the utility model embodiment and bottom plate；

Figure 10 is the schematic diagram of the bottom plate according to the utility model embodiment；

Figure 11 is the schematic diagram in double-deck one direction of module bracket component according to the utility model embodiment；

Figure 12 is the schematic diagram in double-deck another direction of module bracket component according to the utility model embodiment；

Figure 13 is the schematic diagram arranged according to the battery modules of the utility model one embodiment；

Figure 14 is the schematic diagram arranged according to the battery pack of the utility model another embodiment；

Figure 15 is to coordinate the explosive view on lower house according to the battery modules of the utility model embodiment；

Figure 16 is to coordinate the schematic diagram on lower house according to the battery modules of the utility model embodiment；

Figure 17 is the schematic diagram of the lower house according to the utility model embodiment；

Figure 18 is the explosive view of the battery modules according to the utility model embodiment；

Figure 19 is the schematic diagram arranged according to the flexible strip of the utility model one embodiment；

Figure 20 is the schematic diagram arranged according to the flexible strip of the utility model another embodiment；

Figure 21 is the schematic diagram arranged according to the flexible strip of the utility model further embodiment；

Figure 22 is the schematic diagram of the line protecting box according to the utility model embodiment；

Figure 23 is the schematic diagram of the line protecting box body according to the utility model embodiment；

Figure 24 is the schematic diagram of the line protecting box body according to the utility model embodiment；

Figure 25 is the schematic diagram of the lid according to the utility model embodiment；

Figure 26 is the schematic diagram of the BDU housings according to the utility model embodiment；

Figure 27 is the schematic diagram coordinated according to multiple electrical parts of the utility model embodiment with BDU bottom plates；

Figure 28 is the schematic diagram according to battery bag of the present utility model.

Reference：

Vibration absorber 100,

Damping frame 110, damping frame leg 111, damping frame lower flange 112,

Flexible liner 120, flexible liner lower flange 121, annular groove 101, flexible liner low groove 102,

Internal layer adapter sleeve 130, annular ridge 131,

MSD components 200,

MSD supports 210, groove leg 211, MSD rack grooves 201, MSD bottoms avoid hole 202,

MSD220, MSD flange 221,

Avoided at the top of MSD supporting plates 230, MSD and hole 203 avoided at the top of hole flanging 231, MSD,

First MSD bolts 240, the first MSD sealing gaskets 250, the 2nd MSD bolts 260,

Upper shell 300, MSD access holes 301, air-leakage test hole 302,

Central hump 310, afterwale portion 320, MSD access holes strengthen projection 330,

Left forefront depression 341, right front portion depression 342,

Preceding protrusion 350, waterproof vent valve 360,

Lower house 400,

Bottom plate 500,

Subiculum plate framework 510,

Bottom plate crossbeam 520, the first bottom plate crossbeam 521, the second bottom plate crossbeam 522, the 3rd bottom plate crossbeam 523,

Bottom plate support beam 530,

Strengthen inside preceding lining reinforcing plate 541, left front flange beam 541a, right preceding flange beam 541b, preceding overlap joint beam 541c, left side Plate 542,

Bottom plate crossbeam lightening hole 501, left side flange supporting plate 543, right side internal reinforcing plates 544, the support of right side flange Plate 545, backsight reinforcing plate 546, rear flange supporting plate 547, lower house gusset 548,

Double-deck module bracket component 600,

Lower floor's module fore-stock 610, lower floor's module fore-stock body 611, fore-stock body lower hem 611a, fore-stock sheet Body upper hem 611b, preceding fixed pin 612, preceding fixing leg flanging 612a,

Lower floor's module left socle 620, lower floor's module right support 630,

Central dividing plate 640, central dividing plate body 641, loss of weight heat emission hole 601, central dividing plate body flanging 641a is rear fixed Leg 642,

Battery module device 700,

Battery modules 712 before battery modules 711 before preceding battery modules component 710, left side, right side,

Middle battery modules 720,

Multi-layer cell die set 730, upper strata battery modules 731, lower floor's battery modules 732,

First battery modules 712a, the second battery modules 712b, the 3rd battery modules 712c, the 4th battery modules 732d, 5th battery modules 732e, the 6th battery modules 732f, the 7th battery modules 731g, the 8th battery modules 731h, the 9th battery Module 731i, the tenth battery modules 731j, the 11st battery modules 731k, the 12nd battery modules 732l, the 13rd battery mould Group 732m, the 14th battery modules 721n, the 15th battery modules 711o,

16th battery modules 711p, the 17th battery modules 711q,

First detection plate 861, the second detection plate 862,

Preceding battery modules bottom plate 713, left front battery modules bottom plate 713a, right preceding battery modules bottom plate 713b, middle battery mould Group bottom plate 722, detection plate bottom plate 740,

Preceding tubular reinforcements 751, rear tubular reinforcements 752, preceding tubular reinforcements fixed support 753, rear tubular reinforcements Fixed support 754,

Longitudinal connecting member 760,

Web beam 770 afterwards,

Module bracket 781, electric heating sheets 782, battery body 783, module flexible structure 784, front end flexible strip 784a, after Flexible strip 784b, left end flexible strip 784c, right-hand member flexible strip 784d are held,

Line protecting box 820,

Line protecting box body 821, line protecting box reinforcement 821a, wire harness escape groove 801, line protecting box wire harness clip button hole 802 protects line Box hole clipping 803, line protecting box fixing hole 804,

Lid 822, box cover buckling 822a, lid spacing preiection 822b, sub- lid 822c, lid lightening hole 805,

BDU810,

BDU housings 811, BDU bottom plates 811a, BDU upper casing 811b, BDU reinforcement 811c,

Main positive relay 812, positive clamping plate 812a,

Main negative relay 813, auxiliary splint 813a,

Preliminary filling relay 814, preliminary filling resistance 815,

Electrothermal relay 816, heating plate 816a,

Fuse 817 is heated,

Current divider 818, current divider coaming plate 818a.

Embodiment

Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model Limitation.

In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable The orientation or position relationship of the instruction such as hour hands ", " counterclockwise " are based on orientation shown in the drawings or position relationship, merely to just Described in description the utility model with simplified, rather than indicate or imply that the device or element of meaning must be with specific sides Position, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.

In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that at least two, example Such as two, three etc., unless otherwise specifically defined.

In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be Mechanically connect or electrically connect or can communicate with one another；Can be joined directly together, the indirect phase of intermediary can also be passed through Even, can be two element internals connection or two elements interaction relationship.For one of ordinary skill in the art For, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.

In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it " under " can directly be contacted including the first and second features, it is not direct contact but logical that can also include the first and second features The other characterisation contact crossed between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the One feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height higher than second feature.First is special Levy second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or only Represent that fisrt feature level height is less than second feature.

Battery bag is typically mounted on below the floor of vehicle, is linked together by the way of lifting with vehicle body roof beam structure.Such as This mounting means, battery bag needs the vibration for bearing to produce in vehicle travel process, and when vehicle is by severe road conditions, shakes The dynamic influence to battery bag will aggravate.

Therefore how to ensure that battery bag can bear lasting random vibration in vehicle During Process of Long-term Operation, As an important research direction in electric automobile security fields, it is by increasing damping device between vehicle and battery bag Solve one of mode of this problem.

The vibration absorber 100 for vehicle in the utility model embodiment is described below in detail, battery bag can pass through The vibration absorber 100 is hung on the chassis of vehicle.

As Figure 1-4, vibration damping branch can be included according to the vibration absorber 100 for vehicle of the utility model embodiment Frame 110, flexible liner 120 and internal layer adapter sleeve 130.

Damping frame 110 is adapted to be attached on the chassis of vehicle, alternatively, and damping frame 110 can pass through screw threads for fastening Part is fixed on the chassis of vehicle.

Flexible liner 120 is embedded in damping frame 110, and annular groove is provided with the inner peripheral surface of flexible liner 120 101；Internal layer adapter sleeve 130 is embedded in flexible liner 120, and annular ridge is provided with the outer peripheral face of internal layer adapter sleeve 130 131, annular ridge 131 is embedded in annular groove 101, and internal layer adapter sleeve 130 is adapted to the battery bag of vehicle.

Due to the axial tension that internal layer adapter sleeve 130 is primarily subjected to battery bag gravity and produces, by flexible liner 120 Inner peripheral surface on annular groove 101 is set, annular ridge 131 is set on the outer peripheral face of internal layer adapter sleeve 130, can will be interior The axial tension that layer adapter sleeve 130 is born is transferred uniformly into flexible liner 120, it is to avoid because the stress concentration of flexible liner 120 And produce expendable infringement.

Flexible liner 120 can also play a part of vibration damping and energy-absorbing, can be from ethylene propylene diene rubber or the hydrogenation fine rubber of fourth Glue is raw material, and the maximum operating temperature of such material can reach more than 100 DEG C, and still have at relatively high temperatures excellent Good mechanical property.

Damping frame 110 and internal layer adapter sleeve 130 are metalwork, and flexible liner 120 is connected with damping frame 110 and internal layer The vulcanization of set 130 is integrated.Alternatively, damping frame 110 and internal layer adapter sleeve 130 can be Al-alloy parts, so possess compared with On the premise of high intensity, the weight of part can be mitigated again, and the requirement of batch production can be met.

Alternatively, multiple damping frame legs 111, plurality of damping frame leg 111 are provided with damping frame 110 Upper surface be higher than damping frame 110 upper surface.Thus, it is possible to which the chassis for reducing vehicle is transferred to the vibration frequency of battery bag Rate.

In addition, damping frame 110 and internal layer adapter sleeve 130 use metalwork, flexible liner 120 is produced in the course of the work Heat can smoothly be transferred on damping frame 110 and internal layer adapter sleeve 130 and be able to quick scatter and disappear, it is to avoid flexible liner 120 temperature is too high and influences the job stability of flexible liner 120.

Specifically, annular groove 101 is multiple tracks and is distributed along the axially spaced-apart of flexible liner 120 that annular ridge 131 is many Road is simultaneously respectively embedded into corresponding annular groove 101.Thus, it is possible to further improve internal layer adapter sleeve 130 and flexible liner 120 Contact area, power can more uniformly between internal layer adapter sleeve 130 and flexible liner 120 transmit.

Further, flexible liner lower flange 121, flexible liner lower flange are provided with the lower surface of flexible liner 120 121 are covered on the lower surface of damping frame 110.Preferably, the lower surface of flexible liner lower flange 121 is located at internal layer adapter sleeve Under 130 lower surface, and difference in height is 1mm-2mm.It should be noted that above-mentioned difference in height includes 1mm and 2mm.

Thus, it is possible to so that flexible liner 120 and damping frame 110 combine even closer, and be arranged on and subtract in battery bag When on vibrating device 100, battery bag will not directly be contacted with damping frame 110, and battery bag can be pressed on flexible liner lower flange On 121, it is ensured that battery bag is tightly combined with damping frame 110, it is ensured that between damping frame 110 will not be due to having between battery Gap and damping frame 110 is impacted in vibration processes.

Damping frame lower flange 112, at least part structure of damping frame 110 are provided with the lower surface of damping frame 110 Make for through-hole structure to accommodate honoured bushing 120 and internal layer adapter sleeve 130, damping frame lower flange 112 is formed in the through hole knot In the lower inner surface of structure and extend internally.

Flexible liner low groove 102 is provided with the outer peripheral face of flexible liner 120, damping frame lower flange 112 is embedded in soft In property bushing low groove 102.Thus, the contact area of flexible liner 120 and damping frame 110 is further increased so that power More uniformly it can be transmitted between internal layer adapter sleeve 130 and flexible liner 120.

Further, flexible liner low groove 102 and flexible liner lower flange 121 close to.Thus flexible liner 120 is overall Structure is compacter, it is to avoid oversized and road clearance that influence battery bag of vibration absorber 100.

The internal diameter of damping frame lower flange 112 is less than the outside dimension that size is less than annular ridge 131.And then improve and subtract Shaken the connective stability of support 110 and flexible liner 120, and flexible liner 120 can be stably embedded in damping frame 110, Annular ridge 131 is avoided to depart from out of damping frame 110.

Alternatively, damping frame lower flange 112 can also form the lower inner surface in through-hole structure and stretch out, soft Property bushing 120 outer peripheral face on be formed with flexible liner lower flange 121 and stretch out, formed on flexible liner lower flange 121 It is fluted to wrap up damping frame lower flange 112.

During vibration absorber 100 works, flexible liner 120 needs to bear dither for a long time, this mistake Cheng Zhonghui produces heat accumulation, so as to cause the decline of its mechanical property.

For the vibration absorber 100 of this utility model embodiment, it is provided with damping frame 110 for flexible liner The 120 damping frame radiator structures radiated.

Damping frame radiator structure can be the damping frame through slot of the periphery wall of insertion damping frame 110, to cause Flexible liner 120, which is exposed, to be come.So vehicle is during traveling, and air flow can be to flexible liner 120 and vibration damping branch Frame 110 plays a part of natural cooling.

Certainly, damping frame radiator structure can also be the vibration damping avoided for the periphery wall for being arranged on damping frame 110 Support radiating fin (not shown).Thus, it is possible to increase the contact area of damping frame 110 and air so that flexible liner 120 The heat being transferred on damping frame 110 dissipates as early as possible.

In some embodiments of the present utility model, flexible liner 120 can be solid construction, naturally it is also possible to be hollow Structure, as long as ensureing that flexible liner 120 has enough damping properties.

Triangular reinforcing plate can be provided with damping frame 110, it is possible thereby to improve the intensity of damping frame 110, really Battery bag is protected to be fixedly mounted on the floor of vehicle by vibration absorber 100.

As shown in figure 28, according to the battery bag of the utility model embodiment include housing, battery module device 700, BDU810 (battery disconnect unit, i.e. battery cutout unit), MSD220 (manual service Disconnect, i.e. Manual maintenance switch), tubular reinforcements and detection plate.

Housing includes upper shell 300 and lower house 400, and upper shell 300 and lower house 400 are limited for holding battery mould The installing space of group device 700.

Battery module device 700 is arranged on enclosure interior, and battery module device 700 includes multiple battery modules components, many Individual battery modules component has multiple stacked battery modules.

BDU810 is arranged in housing and positioned at the front side of battery module device 700, and MSD220 is arranged in housing, and Upper shell 300 is passed at the top of MSD220 to facilitate maintainer to operate.

Tubular reinforcements are extended laterally along battery bag, and tubular reinforcements are hollow pipe beam texture, tubular reinforcements It is fixed on by tubular reinforcements fixed support in lower house 400.Detection plate be arranged in housing and with battery module device 700 It is connected.

Because to demands such as vehicle continual mileage, power outputs, electrokinetic cell typically has Large Copacity, high voltage (200V ~400v) etc. characteristic.For high-tension electrokinetic cell, need from safety considerations have can be when necessary by manual Cut off the Manual maintenance switch of circuit.Electrokinetic cell maintenance, the maintenance of vehicle high-pressure system, manually maintenance, electrokinetic cell it is abnormal, When low voltage control exception, use and safe operation can be ensured by way of cutting off Manual maintenance switch.Switch needs It is arranged in and is easy to operating position, while needs to ensure that its is reliable and stable.

The Manual maintenance switch support of existing electrokinetic cell bag is located in the middle part of battery bag, and passes through bolt and electrokinetic cell bag Upper shell is connected with lower house, when battery bag is in vehicle ride state, and lower house deforms and passes through Manual maintenance switch Support is acted to the position that is spirally connected of upper shell in the case of power, Long-term Vibration or severe impact, it will make upper shell and manual Service switch is spirally connected position cracking, whole bag waterproof is influenceed, so as to influence whole bag to use safety.

Secondly, Manual maintenance switch is bolted on Manual maintenance switch support, Manual maintenance switch and lower casing Body is being connected, when then covering upper shell, then is connected Manual maintenance switch support and upper shell by bolt.Assembling Cheng Houke is in external observation and can contact Manual maintenance switch and Manual maintenance switch support connecting bolt., can when disassembling There can be mistake and disassemble connecting bolt situation.Mistake disassembles Manual maintenance switch with Manual maintenance switch support bracket bolt, Ke Nengyin Hair is pullled high-tension line or even got an electric shock.

Be this utility model proposes a kind of MSD components 200 for battery bag, the MSD components 200 include MSD branch Frame 210, MSD220 and MSD supporting plates 230.

Wherein, as viewed in figures 5-8, MSD supports 210 are suitable to be fixed on the lower house 400 of battery bag, on MSD supports 210 It is provided with MSD rack grooves 201；MSD flanges 221 are provided with MSD220, MSD flanges 221 are contained in MSD rack grooves 201 It is interior and can be fixed in MSD rack grooves 201.Thus, MSD220 can be firmly supported on MSD supports 210.It is optional Ground, MSD flanges 221 are rectangle, the shape of MSD rack grooves 201 and the form fit of MSD flanges 221.

MSD supporting plates 230 are located at the upper surface of the upper shell 300 of battery bag, MSD supporting plates 230, upper shell 300 and MSD Support 210 is fixed, and MSD220 is outwards manifested from upper shell 300.

MSD220 is directly anchored on upper shell 300, but is fixed on battery bag by MSD supporting plates 230 On upper shell 300, and then the contact area between MSD220 and upper shell 300 is increased, reduce MSD220 and upper shell Concentrated stress between 300, it is to avoid the concentrated stress between MSD220 and upper shell 300 is excessive and upper shell 300 occurs and ftractures Phenomenon.

It is understood that being provided with MSD access holes 301 on the upper shell 300 of battery bag, MSD220 can be examined from MSD Mouth 301 is repaiied to stretch out.

Fluted leg 211 is set on MSD supports 210, and groove leg 211 can surround MSD rack grooves 201, and recessed Groove leg 211 is only against on the lower surface of upper shell 300.More stablize so that MSD supports 210 are installed, it is to avoid due to car MSD supports 210 occur large-amplitude sloshing and damage MSD220 during traveling.

Wherein, groove leg 211 is set around MSD access holes 301, so that the structure of MSD supports 210 is more stepped up Gather, it is to avoid MSD220 takes the space of excessive enclosure interior.

MSD components 200 also include the first MSD bolts 240, and the first MSD bolts 240 are by MSD supporting plates 230, upper shell 300 Fastened with groove leg 211.That is, MSD220 is fixed on MSD supports 210, MSD supports 210 pass through threaded fastener It is fixed on upper shell 300.

Preferably, the first MSD sealing gaskets are provided between the lower surface of the upper surface of groove leg 211 and upper shell 300 250.First MSD sealing gaskets 250 can ensure the water resistance of battery bag, it is to avoid extraneous water or impurity are from MSD access holes 301 Enter enclosure interior.

It is, of course, understood that the first MSD sealing gaskets 250 can also play a part of vibration damping and energy-absorbing, it is to avoid MSD branch Frame 210 causes serious impact to upper shell 300.

MSD220 top passes through MSD supporting plates 230, and then MSD220 can be exposed from battery bag and, convenient inspection Personnel are repaiied to manipulate MSD220.MSD220 is arranged on enclosure interior, and sequentially passes through upper shell 300 and MSD from inside to outside Supporting plate 230.

Specifically, it is provided with and is avoided for avoiding at the top of the MSD at the top of MSD at the top of hole 203, MSD in MSD supporting plates 230 Avoid to be provided with hole 203 at the top of MSD and avoid hole flanging 231.

Top, which avoids hole flanging 231, can not only make the periphery for avoiding hole 203 at the top of MSD round and smooth, it is to avoid incised wound operator Member, but also the intensity of MSD supporting plates 230 can be improved, it is ensured that MSD220 does not interfere with the overall installation strength of battery bag.

MSD components 200 also include multiple 2nd MSD bolts 260, and each 2nd MSD bolts 260 are located at MSD flanges 221 Corner is so that MSD flanges 221 are fastened on MSD rack grooves 201, and the 2nd MSD bolts 260 are radially positioned at the top of MSD The outside of hole flanging 231 is avoided, so that hole flanging 231 is avoided at the top of MSD blocks the 2nd MSD bolts 260.

Thus, it is to avoid maintenance personal due to maloperation is pulled down the 2nd MSD bolts 260, cause to trigger high-tension line Pull even electric shock phenomenon generation.

The lower surface of MSD flanges 221 is provided with the 2nd MSD sealing gaskets, and the 2nd MSD sealing gaskets are folded in MSD flanges 221 Between the upper surface of lower surface and MSD rack grooves 201.Thus, the fastness that MSD220 is installed with MSD supports 210 is improved, And the 2nd MSD sealing gaskets at least play a part of vibration damping and energy-absorbing to a certain extent.

In some embodiments of the present utility model, MSD bottoms are set to avoid hole 202, MSD bottoms on MSD rack grooves 201 Portion avoids the bottom that hole 202 is used to avoid MSD220.In other words, MSD220 bottoms can extend into MSD bottoms and avoid hole 202 In,

The installation process of MSD220 component is briefly described below.

MSD220 is fixed on MSD supports 210 by the 2nd MSD bolts 260 first, then MSD supports 210 are fixed On lower house 400, after the completion for the treatment of that battery module device 700 is tested, upper shell 300 and lower house 400 are then fixed on one Rise, upper shell 300, MSD supporting plates 230 and MSD supports 210 are fixed together finally by the first MSD bolts 240.

As Figure 7-8, battery bag is suitable to be fixed on the lower surface on the floor of vehicle, and floor maintenance is provided with floor Mouthful, it is detachably provided with being provided with MSD access holes 301, MSD on floor maintenance velar plate, upper shell 300 at the access hole of floor Access hole 301 is obliquely installed, so that the MSD220 of vehicle top is obliquely manifested at MSD access holes 301, MSD maintenance Mouth 301 is relative with floor access hole.

In other words, MSD220 can pass through the floor access hole on the MSD access holes 301 and floor on upper shell 300, and Due to MSD access holes 301 to be obliquely installed, MSD220 obliquely can stretch out from MSD access holes 301, and then human pilot can Easily to be operated at back seat to MSD220.

In addition, the space layout for the MSD220 being obliquely installed is more reasonable, compact, space is saved, is prevented effectively from simultaneously MSD220 is interfered with other parts.

Central hump 310 is formed with upper shell 300, central hump 310 is located at upper casing in the transverse direction of battery bag The centre position of body 300, Longitudinal extending of the central hump 310 along battery bag, the centrally disposed protrusion of MSD access holes 301 310 rear end.

Further, the opposite central protrusion 310 of MSD access holes 301 is sunk type incline structure, and MSD access holes 301 Posterior edges be higher than MSD access holes 301 forward edge, i.e., MSD access holes 301 towards front set.Thus, people is overhauled Member will easily can be manually placed at MSD access holes 301, to be operated to MSD220.

Preferably, the angle between MSD access holes 301 and horizontal plane is 5 ° -45 °.It should be noted that above-mentioned MSD inspections The angular range repaiied between mouth 301 and horizontal plane includes 5 ° and 45 °.

In some embodiments of the present utility model, afterwale portion 320, central hump are also formed with upper shell 300 310 rear end is connected with afterwale portion 320, and MSD access holes 301 are adjacent to afterwale portion 320.Because back seat is without front and rear shifting It is dynamic and move up and down, thus back seat downside without adjusting means, therefore the space that back seat takes is less, upper shell Afterwale portion 320 is formed on 300 can make full use of the space that back seat is saved.

The floor protrusion of the correspondence vehicle of central hump 310, the front-row seats of the correspondence vehicle of MSD access holes 301 are with after Arrange the position between seat.Thus, the passenger of back seat, which stretches out one's hand, can just open floor maintenance velar plate, then by MSD220 Expose and come and operate on it.

Further, the positional distance of MSD220 peak and floor access hole is 2cm-10cm.It should be noted that The scope of above-mentioned MSD220 peak and the positional distance of floor access hole includes 2cm and 10cm.

Thus, it will not both have been stretched into due to human hand after the access hole of floor and be not easy operation away from too far away with MSD220, It will not closely and in Vehicular vibration be interfered very much, influenceed with floor maintenance velar plate apart from floor access hole due to MSD220 MSD220 life-span.

Preferably, MSD access holes are provided with around MSD access holes 301 and strengthen projection 330.Thus, significantly improve Intensity around MSD access holes 301, the damaged probability of reduction MSD access holes 301.

MSD access holes 301 are equal with the left side edge of central hump 310 and the distance of right side edge, MSD access holes 301 posterior edges are spaced apart with the posterior edges of central hump 310.Thus, it is possible to further facilitate maintainer couple MSD220 is operated.

To ensure that electrokinetic cell bag enclosure interior pressure under the conditions of different temperatures, Different Altitude keeps balance, by setting Waterproof vent valve 360 is put, balanced power battery bag enclosure interior pressure caused by under the conditions of different temperatures, Different Altitude becomes Change, it is ensured that under different use conditions, electrokinetic cell bag internal pressure is in poised state all the time.

For high-tension electrokinetic cell, the sealing of electrokinetic cell bag directly influences the use safety of electric automobile, The air-tightness for setting airtight detection hole to be easy to detect electrokinetic cell bag is needed from safety considerations, while housing combination vehicle is closed Removing the work office, improves the utilization rate in space, and sets waterproof vent valve 360, makes electrokinetic cell bag internal pressure all the time in balance State, so as to ensure that electric automobile uses safety.

The airtight detection hole of existing electrokinetic cell bag borrows the mounting hole of waterproof vent valve, sets detection during test air-tightness The mounting hole connection of standby test connecting tube and waterproof vent valve is tested, and detection installs waterproof vent valve again after finishing.By In the sealing property of waterproof vent valve can not be detected, the water resistance of battery bag may be influenceed, so as to influence electric automobile to use Safety.

Therefore, as shown in figure 8, the utility model proposes a kind of upper shell 300 for battery bag, on upper shell 300 Multiple waterproof vent valves 360 are provided with, multiple waterproof vent valves 360, which are located on the side of upper shell 300, upper shell 300, also to be set It is equipped with air-leakage test hole 302, air-leakage test hole 302 and is detachably provided with sealing device.

In other words, the special air-tightness being provided with for detecting housing air-tightness is examined on upper shell 300 of the present utility model Gaging hole 302, the air-leakage test hole 302 is different holes from the hole where waterproof vent valve 360.

When the air-tightness to housing is detected, detection means directly can be connected to air-leakage test hole 302, from And the sealing property of waterproof vent valve 360 can be detected.After detection is finished, sealing device can be sealed in air-tightness Detection hole 302.

In some embodiments of the present utility model, multiple waterproof vent valves 360 are into multiple rows of and many column distributions.Specifically, Multiple waterproof vent valves 360 are four and are distributed on four summits of rectangle.

The rear portion of upper shell 300 is provided with afterwale portion 320, and multiple waterproof vent valves 360 are arranged on afterwale portion 320 On side.

Sealing device includes airtight bolt and airtight nut, and the lower end of airtight bolt is passed down through air-leakage test hole 302, Airtight nut is located at the inside of lower house 400 and fastened with airtight bolt thread.

The first airtight rubber circle is provided between airtight bolt and air-leakage test hole 302, airtight nut is examined with air-tightness The second airtight rubber circle is provided between gaging hole 302.Thus, sealing device can preferably seal air-tightness detection hole 302, electricity The air-tightness of Chi Bao housing can be improved.

Airtight nut can vulcanize with the first airtight rubber circle to be fixed, and airtight nut can be directly anchored to air-leakage test The inner side of hole 302.

In some embodiments of the present utility model, the left front portion of upper shell 300 is to lower recess to form left forefront depression 341, the right front portion of upper shell 300 is to lower recess to form right front portion depression 342.Left forefront depression 341 and right front portion depression 342 With reference to the rational deployment of vehicle, the utilization rate in space can be significantly improved.

Protrusion 350, central hump 310 and afterwale portion 320 before being formed with upper shell 300, central hump 310 It is located at the centre position of upper shell 300 in the transverse direction of battery bag, Longitudinal extending of the central hump 310 along battery bag is preceding grand Play portion 350 and distinguish the left side and right side of centrally located protrusion 310, and preceding protrusion 350 be also located at left forefront depression 341 with The rear side of right front portion depression 342, the rear end of central hump 310 is connected with afterwale portion 320, preceding protrusion 350 and afterwale Medial recess is formed between portion 320, medial recess distinguishes the left side and right side of centrally located protrusion 310.

It should be noted that on the centrally located protrusion 310 of MSD access holes 301, and the both sides of MSD access holes 301 are Portion is recessed.

The front-row seats of the preceding correspondence of protrusion 350 vehicle, the back seat of the correspondence vehicle of afterwale portion 320, central uplift The floor protrusion of the correspondence vehicle of portion 310, the position between the front-row seats and back seat of medial recess correspondence vehicle.

Protrusion 350, afterwale portion 320 and central hump 310 before by setting, can be maximum according to the structure of vehicle Space in the housing of electrochemical cell bag, it is ensured that more battery modules can be placed in housing.

Increasingly serious with Energy situation, power module and power-supply system for fields such as electric automobiles are continually developed And improvement, it is contemplated that battery bag reliability and safety, current batteries of electric automobile packet system security requirement and method of testing It is random vibration test to have one in pilot project, and this experiment proposes very high requirement to the intensity of battery bag, otherwise works as electricity Chi Bao carries out battery bag damage situations when Z, Y, X axis vibrate on a vibration table will be very serious, or even the meeting under real working condition Harm is brought to safe driving.And the requirement installed in itself due to battery bag module, battery bag lower house will also have very high Intensity, can undertake by vibration, collision belt come energy damage, it is to avoid the phenomenon that battery bag general structure fails.This Also higher requirement just is proposed to intensity of the lower house in whole battery bag.

The structural section of present battery bag lower house is often relatively simple, although this structure anufacturability is good, Battery bag bulk strength is not enough, in the experiments such as vibration, impact at lower house mount point and the easy stress concentration of module mounting hole Housing is caused to ftracture, so as to cause whole battery bag to fail.

Be this utility model proposes a kind of lower house component for battery bag, the lower house component includes lower house 400 and bottom plate 500.

Specifically, as shown in figs. 9-10, bottom plate 500 is fixed on the lower surface of the bottom wall of lower house 400, bottom plate 500 can improve the intensity of lower house 400, it is ensured that battery bag can be stably mounted on lower house 400.

Bottom plate 500 includes subiculum plate framework 510, multiple bottom plate crossbeams 520 and bottom plate support beam 530.

The two ends of bottom plate crossbeam 520 are fixed with the longitudinal moulding in left and right two of subiculum plate framework 510 respectively.Multiple subiculums Plate crossbeam 520 opens distribution along the longitudinally spaced of battery bag.Thus, it is possible to improve the intensity of bottom plate 500, lower house is also improved The bulk strength of component, it is ensured that battery component can be firmly secured on lower house 400.

The two ends of bottom plate support beam 530 are fixed with the longitudinal moulding in left and right two of subiculum plate framework 510 respectively, bottom plate The neighbouring middle bottom plate crossbeam 520 of support beam 530 is set.Alternatively, bottom plate support beam 530 can be fixed on centre A bottom plate crossbeam 520 on.

Multiple bottom plate crossbeams 520 include the first bottom plate crossbeam 521, the second bottom plate for being spaced apart distribution from front to back The bottom plate crossbeam 523 of crossbeam 522 and the 3rd, the distance between the first bottom plate crossbeam 521 and the second bottom plate crossbeam 522 are less than The distance between second bottom plate crossbeam 522 and the 3rd bottom plate crossbeam 523.

In some embodiments of the present utility model, between the first bottom plate crossbeam 521 and the second bottom plate crossbeam 522 Distance is 455mm-495mm, and the distance between the second bottom plate crossbeam 522 and the 3rd bottom plate crossbeam 523 are 515mm- 555mm.It should be noted that above-mentioned number range includes endpoint value.

The distance between preceding moulding of first bottom plate crossbeam 521 and subiculum plate framework 510 is more than the 3rd bottom plate crossbeam 523 the distance between with the rear moulding of subiculum plate framework 510.

In some embodiments of the present utility model, bottom plate crossbeam lightening hole 501 is provided with bottom plate crossbeam 520. Thus, it is possible on the premise of ensureing that bottom plate crossbeam 520 has sufficient intensity, the weight of reduction bottom plate crossbeam 520, and then The energy consumption of vehicle is at least reduced to a certain extent, improves the continuation of the journey of vehicle.

Lower house perisporium stiffening device is provided with the periphery wall of lower house 400, lower house perisporium stiffening device is annular And set around the periphery wall of lower house 400.Thus, the intensity of lower house 400 is further increased.

Lower house perisporium stiffening device includes preceding lining reinforcing plate 541, and preceding lining reinforcing plate 541 is fixed on the outer of lower house 400 On the front face of perisporium, flange beam 541b before being provided with left front flange beam 541a in preceding lining reinforcing plate 541 and be right, and preceding lining Overlap joint beam 541c before being additionally provided with reinforcing plate 541.

Lower house perisporium stiffening device further comprises left side internal reinforcing plates 542 and left side flange supporting plate 543, left side Internal reinforcing plates 542 are fixed on the left wall face of the periphery wall of lower house 400, and left side flange supporting plate 543 is fixed in left side The outside of portion's reinforcing plate 542.

Lower house perisporium stiffening device further comprises right side internal reinforcing plates 544 and right side flange supporting plate 545, right side Internal reinforcing plates 544 are fixed in the right wall of the periphery wall of lower house 400, and right side flange supporting plate 545 is fixed in right side The outside of portion's reinforcing plate 544.

Lower house perisporium stiffening device further comprises backsight reinforcing plate 546 and rear flange supporting plate 547, backsight reinforcing plate 546 are fixed on the rear surface of the periphery wall of lower house 400, and rear flange supporting plate 547 is fixed on after backsight reinforcing plate 546 Side.

Preceding lining reinforcing plate 541, left side internal reinforcing plates 542, right side internal reinforcing plates 544 and backsight reinforcing plate 546 are solid On the perisporium for being scheduled on lower house 400, and it is preceding lining reinforcing plate 541, left side internal reinforcing plates 542, right side internal reinforcing plates 544 and after Lining reinforcing plate 546 is formed with energy-absorbing cavity between the perisporium of lower house 400 respectively, and then can improve the strong of lower house component Degree, and when lower house component collides can apparatus with shock absorbing, reduce lower house component in battery damage.

In some embodiments of the present utility model, lower house perisporium stiffening device further comprises lower house gusset 548, Lower house gusset 548 is separately positioned at four angles of lower house 400, and front left side lower house gusset 548 respectively with preceding lining The left end of reinforcing plate 541 is connected with the front end of left side flange supporting plate 543, the lower house gusset 548 of forward right side respectively with preceding lining The right-hand member of reinforcing plate 541 is connected with the front end of right side flange supporting plate 545, and the lower house gusset 548 of left rear side is turned over after respectively The left end of side supporting plate 547 is connected with the rear end of left side flange supporting plate 543, the lower house gusset 548 of right lateral side respectively with it is rear The right-hand member of flange supporting plate 547 is connected with the rear end of right side flange supporting plate 545, and wherein lower house gusset 548 is arc gusset.

Lower house gusset 548 can be by preceding lining reinforcing plate 541, left side flange supporting plate 543, right side flange supporting plate 545 Linked together with rear flange supporting plate 547.And then, further increase the intensity of lower house component, it is ensured that battery component is steady Surely it is fixedly mounted on lower house component.

The lower house component of the utility model embodiment is by the way that each parts are welded together, it is possible to increase lower house group The intensity of part, it is ensured that battery component can be stably installed on lower house component.

Existing battery modules arrangement form is generally tiling, and individual layer battery modules are fixed in lower house by installation bolt Portion, the size of the battery modules of tile form is mainly limited by vehicle X and Y-direction size, so battery modules arrangement Quantity can also be limited by vehicle X and Y-direction size, it is impossible to utilize the space of Z-direction, it is impossible to which maximized utilization cloth is empty Between.In addition, such as carrying out the upgrading of long continual mileage on the basis of the battery modules of tile form, realize that difficulty will significantly Lifting.If using rebuilding form, rationally using Z-direction space, being beneficial to the upgrading of product energy.

For this, the utility model proposes a kind of double-deck module bracket component 600 for battery bag, the battery modules bag Include lower floor's module fore-stock 610, lower floor's module left socle 620, lower floor's module right support 630 and central dividing plate 640.

Wherein, as depicted in figs. 11-12, lower floor's module fore-stock 610 is suitable to be fixed on the lower house of battery bag, lower floor's mould Group left socle 620 and lower floor's module right support 630 are suitable to be fixed on lower house, and lower floor's die holder left socle is located at before lower floor's module The left side of support 610, lower floor's die holder right support is located at the right side of lower floor's module fore-stock 610.

Lower floor's module left socle 620 and lower floor's module right support 630 can be fixed with lower floor module fore-stock 610 respectively, As long as can certainly be fixed with lower house.

Central dividing plate 640 includes central dividing plate body 641 and rear fixing leg 642, and rear fixing leg 642 is suitable to be fixed on On lower house 400, lower floor's module fore-stock 610, lower floor's module left socle 620, lower floor's module right support 630 and central dividing plate 640 limit lower floor's battery installing space for installing lower floor's battery modules jointly, and central dividing plate body 641 is used to install Layer battery modules 731.

According to the double-deck module bracket component 600 for battery bag of the utility model embodiment, installation two can be supported Layer battery modules, one layer of battery modules may be mounted on the lower house 400 of battery container, and another layer of battery modules can pacify On central dividing plate 640.

Thus, it is possible to significantly improve the space availability ratio of battery bag, it is ensured that can be accommodated in the housing of same battery bag Greater number of battery modules.The double-deck module bracket component 600 of the utility model embodiment can be arranged on back seat The lower section of lower floor, because the space that back seat takes in the height direction is little, therefore can be by the housing structure of battery bag Make as low early and high after form, the double-deck module bracket component 600 of the utility model embodiment may be provided at the housing of battery bag Higher part in.

Lower floor's module fore-stock 610 includes propping up before lower floor's module fore-stock body 611 and preceding fixed pin 612, lower floor's module Frame body 611 is fixed on lower house 400 by preceding fixing leg 612.Alternatively, preceding fixed pin 612 can be tight by screw thread Firmware is fixed on lower house 400.

Specifically, preceding fixing leg is Open Side Down " u "-shaped, and the lower open end of the preceding fixing leg 612 of " u "-shaped is set respectively Lower floor's module fore-stock body 611 is fixed on lower house by fixing leg flanging 612a, preceding fixing leg flanging 612a before being equipped with On 400.Alternatively, preceding fixing leg flanging 612a can be fixed on lower house 400 by threaded fastener.

Further, the lower edge of lower floor's module fore-stock body 611 is provided with the fore-stock body extended forward Flanging 611a, preceding fixing leg flanging 612a, fore-stock body lower hem 611a and lower house 400 pass through the first double-deck module Bolt is fastened.

Preceding fixing leg flanging 612a and fore-stock body lower hem 611a is spaced apart in the vertical direction, fore-stock body Lower hem 611a can be with the roof of the preceding fixing leg of " u "-shaped at grade.

The forward edge of central dividing plate body 641 is provided with central dividing plate body flanging 641a, central dividing plate body flanging The roof of the preceding fixing leg 612 of 641a and " u "-shaped is fixed.Alternatively, central dividing plate body flanging 641a can be with preceding fixation The roof of leg 612 is fixed together by threaded fastener.

The top edge of lower floor's module fore-stock body 611 is provided with the fore-stock body upper hem 611b extended forward, in Space bar body flanging 641a, fore-stock body upper hem 611b, the roof of the preceding fixing leg 612 of " u "-shaped pass through second pair Layer module bolt is fastened, and central dividing plate body flanging 641a is supported on fore-stock body upper hem 611b.

In some embodiments of the present utility model, front end and the lower floor's module fore-stock 610 of lower floor's module left socle 620 Left end adjoining, the front end of lower floor's module right support 630 and the right-hand member of lower floor's module fore-stock 610 abut, the left branch of lower floor's module Frame 620 and lower floor's die holder right support also left side edge and right side edge of support central dividing plate body 641, and lower floor's mould respectively The left side edge and right side edge of group left socle 620 and lower floor's module right support 630 also respectively with central dividing plate body 641 are consolidated It is fixed.

Lower floor's module right support 630, downside module left socle 620, lower floor's module fore-stock 610 and central dividing plate body 641 limit in lower floor's battery modules installing space, lower floor's battery modules installing space and can install one layer of battery modules；Together When, one layer of battery modules may be mounted at the top of central dividing plate body 641 in addition.

Multiple loss of weight heat emission holes 601 are provided with central dividing plate body 641, the periphery of loss of weight heat emission hole 601, which is provided with, to be subtracted Radiate hole flanging again.Thus, the heat that battery modules are produced can rapidly be scattered and disappeared by loss of weight heat emission hole 601, it is to avoid battery mould The operating temperature of group is too high, while the weight of central dividing plate 640 can be reduced in the case where ensureing the intensity of central dividing plate 640, and then The energy consumption of vehicle is at least reduced to a certain extent.

In addition, the periphery of loss of weight heat emission hole 601 sets loss of weight radiating hole flanging, the strong of loss of weight heat emission hole 601 can be improved Degree, the probability of failure of reduction loss of weight heat emission hole 601.

Loss of weight heat emission hole 601 is rectangular and has flange, one rectangular boss of each correspondence of loss of weight heat emission hole 601, each convex Platform one battery modules of correspondence, multiple boss are in setting arranged in parallel etc..

In some embodiments of the present utility model, the width between two side walls of the preceding fixing leg 612 of " u "-shaped exists It is in incremental trend on direction from the top down.

Central dividing plate body 641 and rear fixing leg 642 are connected turnablely, thus the battery modules in lower floor occur therefore During barrier, central dividing plate 640 can easily be opened and be overhauled come the battery modules to lower floor.Alternatively, central dividing plate sheet Body 641 can be connected together through the hinges with rear fixing leg 642.

As current social energy crisis is increasingly serious, new-energy automobile is especially electronic increasingly by social concerns Automobile.Traditional vehicle enterprise typically does appropriate change in traditional vehicle, increases new energy to accelerate new-energy automobile exploitation schedule Parts are driven to realize that new energy power vehicle is developed.

Electrokinetic cell bag has the effect for storing and exporting electric energy as " fuel tank " of new energy electric drive parts.And move Power battery bag is mainly what is be made up of hundreds of or even thousands of battery cells series and parallel, if battery core is carried out one by one Assembling will extremely influence production efficiency, therefore will typically be referred to as by cell with certain amount certain way one module of composition For battery modules, match somebody with somebody for use in whole electrokinetic cell packaging.

Traditional vehicle changes a social system pure electric automobile, and battery is typically located at below automotive occupant orlop plate.Because body structure with It is general not do larger adjustment, therefore battery needs to coordinate body structure to be arranged.It is limited that this results in battery bag free space, and The arrangement of battery modules inside electrokinetic cell bag directly affects the space availability ratio of whole battery bag.

The arrangement of battery modules inside electrokinetic cell bag directly affects the space availability ratio of electrokinetic cell bag.If battery Module arrangement is unreasonable, will be unable to meet the electricity of vehicle demand in limited space, causes vehicle performance low.Meanwhile, electricity The arrangement of battery modules in the bag of pond directly affects the arrangement of wire harness and cable in battery bag, and irrational arrangement will cause wire harness And cable arrangements are chaotic, whole bag reliability is influenceed.The arrangement of module also directly affects efficiency of assembling and whole bag position of centre of gravity.Cause Power battery of pure electric automobile bag is typically heavier, then directly affects complete vehicle quality distribution.

A kind of battery module device 700 for battery bag, the battery module device 700 are provided for this utility model Battery modules component 710, middle battery modules 720 and multi-layer cell die set 730 before being divided into.

Wherein, as shown in figures 13-16, preceding 710 points of battery modules component is battery before battery modules 711 before left side and right side Battery modules 712 are relative in the transverse direction of battery bag before battery modules 711 and right side before module 712, left side, and before left side Battery modules 711 are spaced apart with battery modules before right side 712.

The heel row of battery modules component 710 before middle battery modules 720 are arranged on, multi-layer cell die set 730 is arranged on The rear of middle battery modules 720, multi-layer cell die set 730 has the battery modules of multiple superposed.

The back seat of vehicle need not do excessive adjustment, therefore the height of back seat is relatively low, and then in battery bag The height of the position of correspondence back seat is higher, i.e. the rear humps of battery bag are to form afterwale portion 320, afterwale portion 320 It is interior to place multi-layer cell die set.

The battery module device 700 of the utility model embodiment, can make full use of the inner space of the housing of battery bag, Improve between space availability ratio, battery modules and radiated when having gap favorably with work.

Multi-layer cell die set 730 includes upper strata battery modules 731 and lower floor's battery modules 732 stacked up and down, on Layer battery modules 731 can be arranged on central dividing plate body 641, and lower floor's battery modules 732 can be fixed on lower house 400 And positioned at lower floor's module right support 630, lower floor's module left socle 620, lower floor's module fore-stock 610 and central dividing plate body 641 Limit in lower floor's battery modules dress space.

Further, upper strata battery modules 731 and the consistency from top to bottom of lower floor's battery modules 732, upper strata battery modules 731 are with Longitudinal centre line of each layer on battery bag in layer battery modules 732 is symmetrical.Thus, have and be distributed control using complete vehicle quality System, improves the riding stability of vehicle.

Middle battery modules 720 are located at the centre position of battery bag in the transverse direction of battery bag, thus further increase electricity Chi Bao symmetry, it is ensured that battery bag total quality is evenly distributed.

Battery modules 711 are symmetrical on the longitudinal centre line of battery bag with battery modules 712 before right side before left side, thus keep away The quality for exempting from battery bag or so is inconsistent and crooked phenomenon occurs.

The length direction of each battery modules in preceding battery modules component 710 is parallel to the transverse direction of battery bag, middle electricity The length direction of pond module 720 parallel to battery bag longitudinal direction, each battery modules in multi-layer cell bag die set Longitudinal direction of the length direction parallel to battery bag.

In other words, left and right directions extension of each battery modules in preceding battery modules component 710 along vehicle, middle battery Fore-and-aft direction extension of the module 720 along vehicle, each battery modules in multi-layer cell die set 730 are along before vehicle Rear is to extension.

Battery modules 712 include juxtaposed first battery modules 712a, the second battery modules 712b from front to back before right side With the 3rd battery modules 712c, battery modules 711 include juxtaposed 17th battery modules 711q, the tenth from front to back before left side Six battery modules 711p and the 15th battery modules 711o.

Middle battery modules 720 are the 14th battery modules 721n, and lower floor's battery modules 732 include juxtaposed from left to right the 12 battery modules 732l, the 13rd battery modules 732m, the 4th battery modules 732d, the electricity of the 5th battery modules 732e and the 6th Pond module 732f.

Upper strata battery modules 731 include from left to right juxtaposed 11st battery modules 731k, the tenth battery modules 731j, 9th battery modules 731i, the 8th battery modules 731h and the 7th battery modules 731g.Wherein, the first battery modules 712a and 17th battery modules 711q is sequentially connected in series.There is positive terminal, the 17th battery modules on first battery modules 712a There is negative pole end on 711q.

Further, the first battery modules 712a to the 9th battery modules 731i has the first detection plate 861 to carry out battery mould Group parameter measurement, the tenth battery modules 731j to the 17th battery modules 711q carries out battery modules ginseng by the second detection plate 862 Number measurement.

In some embodiments of the present utility model, battery modules 712 include juxtaposed first electricity from front to back before right side Battery modules 711 are included from front to back simultaneously before pond module 712a, the second battery modules 712b and the 3rd battery modules 712c, left side The 17th battery modules 711q, the 16th battery modules 711p and the 15th battery modules 711o put.

Middle battery modules 720 are the 4th battery modules 732d, and lower floor's battery modules 732 include the from left to right the juxtaposed tenth Three battery modules 732m, the 14th battery modules 721n, the 5th battery modules 732e, the electricity of the 6th battery modules 732f and the 7th Pond module 732g.

Upper strata battery modules 731 include juxtaposed 12nd battery modules 731l, the 11st battery modules from left to right 731k, the battery modules 731i of the tenth battery modules 731j the 9th and the 8th battery modules 731h, wherein the first battery modules 712a It is connected in series to the 17th battery modules 711q.

First battery modules 712a to the 3rd battery modules 712c and the 5th battery modules 732e to the tenth battery modules 731j carries out battery modules parameter measurement by the first detection plate 861, and remaining battery modules carry out battery by the second detection plate 862 Module parameter measurement.

Gap before left side before battery modules 711 and right side between battery modules 712 is 60mm-80mm, middle battery modules The distance of the rear end of 720 front end and preceding battery modules component 710 is 40mm-60mm, the rear end of middle battery modules 720 with it is double The distance of the front end of layer battery modules component is 220mm-240mm.

The distance between upper strata battery modules 731 and lower floor's battery modules 732 are 10mm-15mm, and upper strata battery modules 731 or lower floor's battery modules 732 in gap between adjacent two battery modules be 1mm-5mm.Thus, battery mould is conducive to The radiating of group, it is ensured that battery modules are in suitable operating temperature.It should be noted that above-mentioned number range includes end points Value.

Each battery modules include multiple single battery cores, and the battery modules of the utility model embodiment are divided into two classes, respectively It is the big module and ten pieces of single battery cores two and the small module of five string compositions, monomer electricity of 12 pieces of single battery cores two and six string compositions Core monomer rated voltage 3.65V, nominal capacity 40Ah, big module monomer rated voltage 21.9V, nominal capacity 80Ah, small module Monomer rated voltage 18.25V, nominal capacity 80Ah.

In some embodiments of the present utility model, each battery modules in preceding battery modules component 710 are big Each battery modules in module, middle battery modules 720 and multi-layer cell die set 730 are small module.

The corresponding afterwale portion 320 of multi-layer cell die set 730 of the utility model embodiment and back seat, rear row seat The height space that chair takes is smaller, therefore the rear portion of battery pack housing could be arranged to afterwale portion 320, multi-layer cell module group Part 730 can be arranged in afterwale portion 320.

Electrokinetic cell system, as the main energy storage device of new-energy automobile, is the critical component of new-energy automobile, battery Pack arrangement intensity decides the security performance of battery system, or even has influence on the safety enforcement of vehicle, the intensity of its internal stent Battery bag overall construction intensity is directly affected, on the premise of cost and technique, structural strength is considered, satisfaction is designed and requires Fixed support, battery pack structure intensity requirement can be met, the resources such as cost can be saved again.

Lower house 400, preceding battery modules bottom plate can be included according to the battery lower house component of the utility model embodiment 713rd, middle battery modules bottom plate 722 and detection plate bottom plate 740.

Wherein, as shown in figure 17, preceding battery modules bottom plate 713 is fixed on the upper surface of the bottom wall of lower house 400, and preceding Battery modules bottom plate 713 is used for battery modules component 710 before installing.

Middle battery modules bottom plate 722 is fixed on the upper surface of the bottom wall of lower house 400, and middle battery modules bottom plate 722 For battery modules in installation 720.

Detection plate bottom plate 740 is fixed on the upper surface of the bottom wall of lower house 400, and detection plate bottom plate 740 is used to install Detection plate (including：First detection plate 861 and the second detection plate 862).

According to the battery bag lower house component of the utility model embodiment, by setting preceding battery mould on lower house 400 Group bottom plate 713, middle battery modules bottom plate 722 and detection plate bottom plate 740 so that preceding battery modules component 710, middle battery modules 720 and detection plate install more stablize.

In some embodiments of the present utility model, battery bag lower house component can also include preceding tubular reinforcements 751 With rear tubular reinforcements 752, preceding tubular reinforcements 751 be arranged in parallel and on the longitudinal direction of battery bag with rear tubular reinforcements 752 It is spaced apart, each in preceding tubular reinforcements 751 and rear tubular reinforcements 752 is fixed on by tubular reinforcements fixed support In lower house 400.Thus, the structural strength of battery bag lower house 400 is further increased, it is ensured that the energy of battery bag lower house 400 It is enough more firmly to carry battery component.

Wherein, preceding battery modules bottom plate 713 is located between preceding tubular reinforcements 751 and rear tubular reinforcements 752.It is preferred that Ground, preceding tubular reinforcements 751 and rear tubular reinforcements 752 can be fixedly connected with preceding battery modules bottom plate 713.And then, further The structural strength of battery modules bottom plate 713 before improving, it is ensured that preceding battery modules component 710 is more stably installed at preceding battery On module bottom plate 713.

Longitudinal connecting member 760, longitudinal connecting member are also included according to the battery bag lower house component of the utility model embodiment 760 are fixed on the upper surface of the bottom wall of lower house 400, and longitudinal connecting member 760 is managed with preceding tubular reinforcements 751 and afterwards respectively Shape reinforcer 752 is connected.Alternatively, longitudinal connecting member 760 can be fixed with preceding battery modules bottom plate 713.

Battery modules bottom plate 713b, left front before preceding battery modules bottom plate 713 includes left front battery modules bottom plate 713a and be right Battery modules bottom plate 713a and right preceding battery modules bottom plate 713b are separately positioned on the left side and right side of longitudinal connecting member 760.It is left Preceding battery modules bottom plate 713a and right preceding battery modules bottom plate 713b can be welded and fixed or be spirally connected with longitudinal connecting member 760 respectively It is fixed.

The front-end and back-end of longitudinal connecting member 760 than being connected to front and rear end between center section it is short, left front battery Module bottom plate 713a right side edge is fixed on the higher center section of longitudinal connecting member 760, right preceding battery modules bottom plate 713b left side edge is fixed on the higher center section of longitudinal connecting member 760, and left front battery modules bottom plate 713a Right side edge with it is right before battery modules bottom plate 713b left side edge be spaced apart in the transverse direction of battery modules.

Tubular reinforcements fixed support includes preceding tubular reinforcements fixed support 753 and rear tubular reinforcements fixed support 754, size of the rear tubular reinforcements fixed support 754 in the transverse direction of battery bag is more than preceding tubular reinforcements fixed support 753 Size in the horizontal.

Further, left front battery modules bottom plate 713a and it is right before in battery modules bottom plate 713b each and front tube Shape reinforcer fixed support 753, rear tubular reinforcements fixed support 754 are fixed.Thus, left front battery modules bottom plate 713a and the right side Preceding battery modules bottom plate 713b structure is more stablized, and preceding battery modules component 710 can more be stably installed at left front electricity On pond module bottom plate 713a and right preceding battery modules bottom plate 713b.

The front end of middle battery modules bottom plate 722 respectively with two of left side and right side after tubular reinforcements fixed support 754 It is fixed, middle battery modules bottom plate 722 is located at the centre position of lower house 400 in the transverse direction of battery bag.

Further, battery bag lower house component also includes rear web beam 770, and rear web beam 770 is fixed on lower casing On the upper surface of the bottom wall of body 400, the rear end of rear web beam 770 and middle battery modules bottom plate 722 is fixed.

Detection plate bottom plate 740 is located at the left side and right side of middle battery modules bottom plate 722 respectively, that is to say, that detection plate bottom plate 740 be two, respectively positioned at the left side and right side of middle battery modules bottom plate 722.

It is additionally provided with middle battery modules bottom plate 722 on MSD supports 210, and the upper surface of the bottom wall of lower house 400 also BDU supports are provided with, BDU supports are located at the front side of preceding tubular reinforcements 751.

Multiple bottom plates and support are provided with the lower house 400 of the utility model embodiment, and then can be significantly improved down The structural strength of housing 400, so as to improve battery bag overall structural strength and rigidity.

Battery modules of the prior art are mainly heated by heating film, fluid heating and high-frequency alternating current electrical heating etc. The heating of mode, wherein heating film is progressively applied to the new energy car battery bag design of each vehicle factory above, in these applications In, most between heating film and module surface to be adhesively fixed using double faced adhesive tape, this fixed form requires the surface that is stuck Smooth, cleaning, and long-term in complex environment in use, double faced adhesive tape easily comes off causes that heating properties decline or even heating is lost Effect, therefore how heating film effectively to be fixed into battery surface is to need in electrokinetic cell heating technique the technology solved to ask Topic.

Therefore, the utility model proposes a kind of battery modules for battery bag, this practicality is described more fully below new The battery modules of type embodiment.

As shown in figs. 18-21, module bracket 781, electricity can be included according to the battery modules of the utility model embodiment to add Backing 782 and battery body 783.

Wherein, module bracket 781 is the supporting construction of battery modules, and module bracket 781 can be supported on lower house 400 On, for example, module bracket 781 can be fixed or on preceding battery modules bottom plate 713 and middle battery modules bottom plate 722.

Electric heating sheets 782 are arranged in module bracket 781, and are provided between electric heating sheets 782 and module bracket 781 Module flexible structure 784；Battery body 783 is arranged on electric heating sheets 782.

Electric heating sheets 782 can be heated to battery body 783, it is ensured that battery body 783 is in suitable work temperature Degree, the temperature of electric heating sheets 782 can be regulated and controled by vehicle control center according to extraneous environment.

In some embodiments of the present utility model, module flexible structure 784 be sheet and be folded in electric heating sheets 782 with Between module bracket 781.Module flexible structure 784 can keep apart electric heating sheets 782 with module bracket 781, it is to avoid module When flexible structure 784 is partially or fully come unglued, module flexible structure 784 is directly contacted and caused danger with module bracket 781.

In addition, electric heating sheets 782 and module bracket 781 can be ensured by compressing the power produced by module flexible structure 784 Effectively laminating, prevents module flexible structure 784 from coming off, and increases heating effect.

In some embodiments of the present utility model, module flexible structure 784 is identical with the shape of electric heating sheets 782.

In other embodiment of the present utility model, module flexible structure 784 is flexible strip and is multiple.

Specifically, module flexible structure 784 includes front end flexible strip 784a, rear end flexible strip 784b, left end flexible strip 784c and right-hand member flexible strip 784d, front end flexible strip 784a are arranged on the front end of electric heating sheets 782, and rear end flexible strip 784b is set In the rear end of electric heating sheets 782, left end flexible strip 784c is arranged on the left end of electric heating sheets 782, and right-hand member flexible strip 784d is set In the right-hand member of electric heating sheets 782.

Further, each two end faces in front end flexible strip 784a and rear end flexible strip 784b add with electricity respectively Two longitudinal sides of backing 782 are concordant, and left end flexible strip 784c and right-hand member flexible strip 784d are just to setting and each distance Front end flexible strip 784a and rear end flexible strip 784b distance are equal.

In further embodiment of the present utility model, length direction of multiple flexible strips along battery modules, which is spaced apart, to be divided Cloth.

Further, two longitudinal sides of two end faces of flexible strip respectively with electric heating sheets 782 are concordant.

Further, the flexible strip in multiple flexible strips positioned at front-end and back-end is narrower, between front-end and back-end Flexible strip it is wider.

The battery modules of the utility model embodiment, by setting one whole between module bracket 781 and electric heating sheets 782 Individual module flexible structure 784 or multiple flexible strips, even if local shedding occurs for module flexible structure 784 or multiple flexible strips, Electric heating sheets 782 can also be avoided directly to be contacted with module bracket 781, and then avoid the generation of danger.

It should be noted that flexible strip can be fixed between electric heating sheets 782 and module bracket 781 by double faced adhesive tape, Certain flexible strip can also be fixed between electric heating sheets 782 and module bracket 781 by other means.

In some embodiments of the present utility model, module flexible structure 784 is foam.Preferably, flexible structure is resistance to High temperature foam.

The tubulose reinforcement structure for battery bag of the utility model embodiment is described below in detail.

As shown in figure 17, tubular reinforcements and tubulose can be included according to the tubulose reinforcement structure of the utility model embodiment Reinforcer fixed support.

Wherein, tubular reinforcements extending laterally along battery bag, tubular reinforcements are hollow pipe beam texture, and tubulose adds Strong part fixed support is fixed on the left end and right-hand member of tubular reinforcements, the lower casing of tubular reinforcements fixed support respectively with battery bag The inner surface of the upper surface of the bottom wall of body 400 and the side wall of lower house 400 is fixedly connected.

Thus, it is possible to significantly improve the structural strength of lower house 400, the mounting stability of battery modules is improved.

Added according to the tubulose stiffening device for battery bag of the utility model embodiment, including tubular reinforcements and tubulose Strong part fixed support, tubular reinforcements and tubular reinforcements fixed support can significantly improve the stability of battery modules installation.

In some embodiments of the present utility model, tubular reinforcements extend to the side wall in the left side of lower house 400 to the left Place, the right-hand member of tubular reinforcements extends right up to the side-walls on the right side of lower house 400.

Tubular reinforcements have a square-section, square-section can easily with the upper surface of the bottom wall of lower house 400 and The inner surface of the side wall of lower house 400 is fixedly connected.

Tubular reinforcements include preceding tubular reinforcements 751 and rear tubular reinforcements 752, preceding tubular reinforcements 751 and rear pipe Shape reinforcement be arranged in parallel and opened in the longitudinally spaced of battery bag.

Tubulose stiffening device also includes longitudinal connecting member 760, and longitudinal connecting member 760 is fixed on the bottom wall of lower house 400 On upper surface, longitudinal connecting member 760 is connected with preceding tubular reinforcements 751 and rear tubular reinforcements 752 respectively.Alternatively, longitudinal direction Connector 760, which can weld or be spirally connected, to be fixed on the bottom wall of lower house 400.

The front end of longitudinal connecting member 760 and the centre position of preceding tubular reinforcements 751 are fixed, after longitudinal connecting member 760 The centre position with rear tubular reinforcements 752 is held to fix.

Tubular reinforcements fixed support includes preceding tubular reinforcements fixed support 753 and rear tubular reinforcements fixed support 754, size of the rear tubular reinforcements fixed support 754 in the transverse direction of battery bag is more than preceding tubular reinforcements fixed support 753 Size in the horizontal.

Further, after the quantity of preceding tubular reinforcements 751 and the fixed bit of preceding tubular reinforcements fixed support 753 is less than The quantity of tubular reinforcements 752 and the fixed bit of rear tubular reinforcements fixed support 754.

In specific example of the present utility model, preceding tubular reinforcements 751 are consolidated with preceding tubular reinforcements fixed support 753 Pinpoint as 5, the fixing point of rear tubular reinforcements 752 and rear tubular reinforcements fixed support 754 is 7.

When vehicle is impacted, square preceding tubular reinforcements 751 and rear tubular reinforcements 752 can effectively absorb punching Energy is hit, to be protected to battery modules.

Preferably, tubular reinforcements lightening hole is provided with tubular reinforcements.And then the strong of self-strength can ensured The weight of the lower reduction tubular reinforcements of degree, reduces the energy consumption of vehicle.

Fixed in addition, tubular reinforcements lightening hole is constituted for tubular reinforcements wire harness/copper bar of fixed beam/copper bar Hole.In other words, tubular reinforcements lightening hole can also be to for fixed beam/copper bar.

The tubulose stiffening device of the utility model embodiment can effectively improve the integral rigidity and intensity of battery bag, to electricity Pond module can carry out omnibearing protection, while wire harness and copper bar that again can be inside self-contained battery bag.

In the prior art, inside electrokinetic cell bag low voltage wiring harness, heating film wire harness is more, to avoid in driving conditions In, wire harness abrasion or fracture cause electrokinetic cell bag internal security problem, can fixed wire harness by fixing device, it is ensured that Security.

Therefore, the utility model proposes a kind of line protecting box 820 for battery bag, the shield line of the utility model embodiment Box 820 can include line protecting box body 821 and lid 822.

Wherein, as illustrated in figs. 22-25, Longitudinal extending of the line protecting box body 821 along battery bag, line protecting box body 821 it is vertical To two ends and open top, wire harness escape groove 801 is provided with the left side wall and right side wall of line protecting box body 821；Lid 822 The top of line protecting box body 821 is arranged on, lid 822 is connected and fixed with line protecting box body 821.

Line protecting box body 821 and lid 822 can effective protection wire, effectively the abrasion of reduction wire harness and fracture is general Rate.And wire harness can be connected through the escape groove on line protecting box 820 with battery modules.

In some embodiments of the present utility model, wire harness escape groove 801 is " u "-shaped groove, and the opening of " u "-shaped groove upper end is set Put on the upper surface of the side wall of line protecting box body 821.

Line protecting box wire harness clip button hole 802 is additionally provided with the left side wall and right side wall of line protecting box body 821, wire harness can be worn Cross line protecting box block button hole 802 and be connected with battery modules.

The left side edge and right side edge of lid 822 are respectively arranged with box cover buckling 822a, the left side of line protecting box body 821 Line protecting box hole clipping 803 is respectively arranged with wall and right side wall, box cover buckling 822a is connected in line protecting box hole clipping 803, and then will Lid 822 is fixed together with line protecting box body 821.

The left side edge and right side edge of lid 822 are respectively arranged with lid spacing preiection 822b, and the lid in left side is spacing Raised 822b fits with the outside wall surface of the left side wall of line protecting box body 821, lid spacing preiection 822b and the line protecting box sheet on right side The outside wall surface laminating of the right side wall of body 821.

Thus, the bonding strength of lid 822 and line protecting box body 821 is further increased, lid 822, which is installed, to be stablized, no Easily come off, the mounting stability of wire harness has been effectively ensured.

Further, lid spacing preiection 822b point is multigroup, there is three lid spacing preiection 822b in each group, each Length in group positioned at two lid spacing preiection 822b at two ends is less than the length positioned at middle lid spacing preiection 822b.

In some embodiments of the present utility model, the left side wall of line protecting box body 821 and the internal face of right side wall are also set The line protecting box reinforcement 821a extended vertically is equipped with, line protecting box reinforcement 821a extends downward into the bottom wall of line protecting box body 821 Upper surface on.

Thus, it is possible to improve the structural strength of line protecting box body 821, it is ensured that line protecting box body 821 can be protected preferably Wire harness.

In some embodiments of the present utility model, lid 822 includes many sub- lid 822c, two adjacent sub- lids The thinning sub- lid connecting portion of thickness is provided between 822c, so that two adjacent sub- lid 822c can relative bending.Thus, Can easily by sub- lid 822c open, certain part of wire harness be damaged need change when, can be by lid 822 Partially open and overhauled or replaced with the wire harness to damage.

Line protecting box fixing hole 804 is provided with the bottom wall of line protecting box body 821, line protecting box fixing hole 804, which goes out, is embedded with shield The metal ferrules of line box 820.Internal thread can be provided with metal ferrules, line protecting box body 821 can pass through metal ferrules screw thread It is fixed on lower house 400.

Specifically, the center section between the front-end and back-end of longitudinal connecting member 760 are than being connected to front and rear end is short, by This longitudinal connecting member 760 can support whole line protecting box 820.

Line protecting box body 821 is the working of plastics added with glass, and lid 822 is to be provided with box on working of plastics and lid 822 Lid lightening hole 805.Specifically, line protecting box body 821 can be PBT-GF30 mouldings, and lid 822 can be PA66 parts.

The line protecting box 820 for battery bag of the utility model embodiment, can cause the heating film line inside battery bag Beam and the integrated arrangement of low voltage wiring harness are neat, and fixation is more firm, it is to avoid wire harness weares and teares or the caused safety problem of fracture.

Most battery cutout unit (BDU) housings in correlation technique use upper-lower casing interface arrangment, due to clamping knot Structure does not have bolt fastening structure intensity high, yielding after housing assembling；Battery cutout unit (BDU) lower house installs fixed electricity Device is more, and fixed installation and rat tail have corresponding status requirement, easily there is electrical part position and direction and installs wrong By mistake；Lower casing body thickness a larger increase weight of housing simultaneously.

Therefore, the utility model proposes a kind of BDU810 for vehicle, the utility model implementation is described below in detail The BDU810 for vehicle of example.

As shown in figs. 26-27, the BDU810 for vehicle being used for according to the utility model can include BDU housings 811, it is main just after Electrical equipment 812 and main negative relay 813, preliminary filling relay 814 and preliminary filling resistance 815, heating relay 816 and heating fuse 817。

Wherein, BDU housings 811 include BDU bottom plates 811a and the BDU upper casings 811b being arranged on BDU bottom plates 811.On BDU Card wire structure is provided with shell 811b top surfaces, wire harness can be fastened on the card wire structure.Alternatively, the card wire structure is card line Groove.

Main positive relay 812 and main negative relay 813 are arranged in BDU housings 811, preliminary filling relay 814 and precharge Resistance 815 is arranged in BDU housings 811 and is arranged in parallel with main positive relay 812；Heat relay 816 and heating fuse 817 It is arranged in BDU housings 811.

Main positive relay 812 and main negative relay 813 are fixed on BDU bottom plates 811a centre position, preliminary filling relay 814th, heating relay 816, heating fuse 817 be fixed on BDU bottom plates 811a on and positioned at main positive relay 812, it is main bear after The side of electrical equipment 813, preliminary filling resistance 815 is fixed on BDU bottom plates 811a and positioned at main positive relay 812, main negative relay 813 Opposite side.

BDU810 for vehicle also includes current divider 818, and current divider 818 is fixed on BDU bottom plates 811a, and is shunted Device 818 is adjacent with before and after preliminary filling resistance 815.

Further, preliminary filling relay 814, heating relay 816, heating fuse 817, main positive relay 812, master are negative Relay 813 and current divider 818 are arranged in a row.

Current divider coaming plate 818a is additionally provided with BDU bottom plates 811, current divider 818 is built in current divider coaming plate 818a, by This current divider 818 can be more fixedly mounted on BDU bottom plates 811a.

One is additionally provided with BDU bottom plates 811a and aligns clamping plate 812a and a pair of auxiliary splint 813a, main positive relay 812 is set Aligned one between clamping plate 812a, main negative relay 813 is arranged between a pair of auxiliary splint 813a.Thus, main positive relay 812 Can more it be fixedly mounted on BDU bottom plates 811a with main negative relay 813.

Also set up on BDU bottom plates 811a and the main positive anti-misloading portion of relay and the main negative anti-misloading portion of relay.Thus, it is possible to Avoid leading positive relay 812 and main negative relay 813 is wrongly installed, significantly improve BDU810 installation effectiveness.

Also set up on BDU bottom plates 811a and be arranged on a pair of heating plate 816a with a pair of heating plate 816a, heating relay 816 Between, also set up on BDU bottom plates 811a with fuse coaming plate 817a, heating fuse 817 be arranged on fuse coaming plate 817a it Between, preliminary filling relay 814 is arranged on fuse coaming plate 817a between an adjacent heating plate 816a.

It is provided with BDU bottom plates 811a on the anti-misloading portion of preliminary filling relay, heating clamping plate and is provided with heating relay mistake proofing Dress portion.Thus, it is possible to avoid preliminary filling relay 814 and heating relay 816 from occurring misloading, BDU810 installation is greatly improved Efficiency and accuracy rate.

BDU reinforcements 811c, BDU reinforcement 811c is provided with BDU bottom plates 811a to set adjacent to BDU bottom plates 811a edge Put, and BDU reinforcements 811c development length at least over BDU bottom plate 811a outward flanges girth half.Thus, one is entered Step improves the structural strength of BDU bottom plates 811, it is ensured that the electrical part inside BDU810 structural soundness, BDU810 is in more Plus the stable working environment with safety.

The BDU810 of the utility model embodiment includes BDU bottom plate 811a and BDU upper casing 811b, BDU bottom plates 811a and BDU Upper casing 811b, which coordinates, has higher sealing and non-deformability；Electrical part on BDU bottom plates 811a has error-disable function, Avoid identical electrical part position setup error and same electrical part direction setup error；BDU bottom plates 811a sets BDU reinforcements 811c can increase shell structure intensity.The battery cutout unit (BDU810) of the utility model embodiment is electrical part integrated form It is fixedly mounted, effectively using electrokinetic cell bag space, protects the functional safety of electrical part.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described Point is contained at least one embodiment of the present utility model or example.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, those skilled in the art can be by Not be the same as Example or example described in this specification are engaged and combined.

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 scope of the present utility model It is interior above-described embodiment to be changed, changed, replaced and modification.

Claims (10)

1. a kind of battery modules for battery bag, it is characterised in that including：

Module bracket；

Electric heating sheets, the electric heating sheets are arranged in the module bracket, and the electric heating sheets and the module bracket Between be provided with module flexible structure；

Battery body, the battery body is arranged on the electric heating sheets；

Module flexible structure, the module flexible structure is arranged between the module bracket and the electric heating sheets.

2. the battery modules according to claim 1 for battery bag, it is characterised in that the module flexible structure is piece Shape and it is folded between the electric heating sheets and the module bracket.

3. the battery modules according to claim 2 for battery bag, it is characterised in that the module flexible structure and institute The shape for stating electric heating sheets is identical.

4. the battery modules according to claim 1 for battery bag, it is characterised in that the module flexible structure is soft Property bar and to be multiple.

5. the battery modules according to claim 4 for battery bag, it is characterised in that the module flexible structure bag Include：Front end flexible strip, rear end flexible strip, left side flexible strip and right side flexible strip, the front end flexible strip are arranged on the electricity and added The front end of backing, the rear end flexible strip is arranged on the rear end of the electric heating sheets, and the left side flexible strip is arranged on the electricity The left side of heating plate, the right side flexible strip is arranged on the right side of the electric heating sheets.

6. the battery modules according to claim 5 for battery bag, it is characterised in that front end flexible strip and described Two longitudinal sides of each two end faces respectively with the electric heating sheets in the flexible strip of rear end are concordant, and the left side is soft Property bar and the right side flexible strip just to set and each apart from the front end flexible strip and the rear end flexible strip distance It is equal.

7. the battery modules according to claim 4 for battery bag, it is characterised in that the multiple flexible strip is described in The length direction of battery body is spaced apart distribution.

8. the battery modules according to claim 7 for battery bag, it is characterised in that two end faces of the flexible strip Two longitudinal sides respectively with the electric heating sheets are concordant.

9. the battery modules according to claim 7 for battery bag, it is characterised in that be located in multiple flexible strips The flexible strip of front-end and back-end is narrower, and the flexible strip between front-end and back-end is wider.

10. the battery modules for battery bag according to any one of claim 1-9, it is characterised in that the module Flexible structure is foam.