CN206116484U - A tubulose additional strengthening for battery package - Google Patents

Abstract

The utility model discloses a device is strengthened to the tubulose of battery package, include: the tubulose reinforcement, the tubulose reinforcement is followed the horizontal extension of battery package, the tubulose reinforcement is hollow tubular beams column structure, tubulose reinforcement fixed bolster, tubulose reinforcement fixed bolster is fixed the left end and the right -hand member of tubulose reinforcement, tubulose reinforcement fixed bolster respectively with the upper surface of the diapire of the lower casing of battery package and the interior fixed surface of the lateral wall of casing connects down. According to the utility model discloses a device is strengthened to the tubulose can show the stability that improves the installation of battery module.

Description

For the tubulose reinforcement structure of battery bag

Technical field

This utility model is related to technical field of vehicle, the tubulose reinforcement structure of more particularly to a kind of battery bag.

Background technology

The lower house structural strength of the battery bag in correlation technique is low, can meet increasingly harsh examination criteria, battery bag Weight it is larger, and need to design single wire harness and copper bar fixed structure.

Utility model content

This utility model is intended at least solve one of above-mentioned technical problem of the prior art to a certain extent.For this purpose, A purpose of the present utility model is to propose a kind of tubulose stiffening device for battery bag, and the tubulose stiffening device can show Write and improve the stability that battery modules are installed.

According to the tubulose stiffening device for battery bag of the present utility model, including：Tubular reinforcements, the tubulose is strengthened Part is extended laterally along the battery bag, and the tubular reinforcements are hollow pipe beam texture；Tubular reinforcements fixed support, The tubular reinforcements fixed support is fixed on the left end and right-hand member of the tubular reinforcements, the tubular reinforcements fixed support It is fixedly connected with the inner surface of the side wall of the upper surface and the lower house of the diapire of the lower house of the battery bag respectively.

Consolidated according to the tubulose stiffening device for battery bag of the present utility model, including tubular reinforcements and tubular reinforcements Fixed rack, tubular reinforcements and tubular reinforcements fixed support can significantly improve the stability of battery modules installation.

Description of the drawings

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

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

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

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

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

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

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

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

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

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

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

Figure 14 is the schematic diagram of the set of cells arrangement according to this utility model another embodiment；

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

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

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

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

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

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

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

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

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

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

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

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

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

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,

MSD gripper shoes 230, MSD tops avoid hole flanging 231, and MSD tops avoid hole 203,

First MSD bolts 240, a 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 raised 330,

Left forefront depression 341, right front portion depression 342,

Front 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,

Front lining reinforcing plate 541, left front flange beam 541a, right front flange beam 541b, front overlap joint beam 541c, left side inside is strengthened Plate 542,

Bottom plate crossbeam lightening hole 501, left side flange gripper shoe 543, right side internal reinforcing plates 544, right side flange is supported Plate 545, backsight reinforcing plate 546, rear flange gripper shoe 547, lower house gusset 548,

Double-deck module bracket component 600,

Lower floor module fore-stock 610, lower floor module fore-stock body 611, fore-stock body lower hem 611a, fore-stock sheet Body upper hem 611b, front fixed foot 612, front fixing leg flanging 612a,

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

Central dividing plate 640, central dividing plate body 641, loss of weight louvre 601, central dividing plate body flanging 641a is fixed afterwards Leg 642,

Battery module device 700,

Front battery modules component 710, before left side battery modules 711, and before right side battery modules 712,

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,

Front battery modules base plate 713, left front battery modules base plate 713a, right front battery modules base plate 713b, middle battery mould Group base plate 722, detection plate base plate 740,

Front tubular reinforcements 751, rear tubular reinforcements 752, front 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 End flexible strip 784b, left end flexible strip 784c, right-hand member flexible strip 784d,

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 base plate 811a, BDU upper casing 811b, BDU reinforcement 811c,

The positive relay 812 of master, positive clamping plate 812a,

Main negative relay 813, auxiliary splint 813a,

Preliminary filling relay 814, preliminary filling resistance 815,

Thermorelay 816, heating plate 816a,

Plus thermal cut-off 817,

Diverter 818, diverter coaming plate 818a.

Specific embodiment

Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio Same or similar element is represented to same or similar label eventually or the element with same or like function.Below by ginseng The embodiment for examining Description of Drawings is exemplary, it is intended to for explaining this utility model, and it is not intended that to this utility model Restriction.

In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " length ", " width Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " suitable The orientation or position relationship of the instruction such as hour hands ", " counterclockwise " is based on orientation shown in the drawings or position relationship, merely to just In description this utility model and simplified description, rather than indicate or imply that the device or element of indication there must be specifically side Position, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.

Additionally, 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 expressly limited specifically.

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

In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it D score can include the first and second feature directly contacts, it is also possible to not be directly contact including the first and second features but logical The other characterisation contact crossed between them.And, 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 the floor lower section of vehicle, is linked together with vehicle body roof beam structure by the way of lifting.Such as This mounting means, battery bag needs to bear the vibration produced in vehicle travel process, and when vehicle is by severe road conditions, shakes The dynamic impact 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, Become an important research direction in electric automobile security fields, be by increasing damping device between vehicle and battery bag Solve one of mode of this problem.

The vibration absorber 100 for vehicle in this 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, can be including vibration damping according to the vibration absorber 100 for vehicle of this 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, and alternatively, 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 on the inner peripheral surface of flexible liner 120 annular groove is provided with 101；Internal layer adapter sleeve 130 is embedded in flexible liner 120, and on the outer peripheral face of internal layer adapter sleeve 130 annular ridge is provided with 131, annular ridge 131 is embedded in annular groove 101, and internal layer adapter sleeve 130 is adapted to the battery bag of vehicle.

The axial tension produced because internal layer adapter sleeve 130 is primarily subjected to battery bag gravity, 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 bears 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 may also operate as the effect of vibration damping and energy-absorbing, can be from ethylene propylene diene rubber or the fine rubber of hydrogenation 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 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 sulfuration 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 higher than damping frame 110 upper surface.Thus, it is possible to 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 adopt metalwork, flexible liner 120 to produce 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 scattering and disappearing, it is to avoid flexible liner 120 temperature is too high and affect the job stability of flexible liner 120.

Specifically, annular groove 101 is that multiple tracks and the axially spaced-apart along flexible liner 120 are distributed, and annular ridge 131 is many Road is simultaneously respectively embedded in 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 in battery bag and subtract When on vibrating device 100, battery bag will not can be pressed on flexible liner lower flange with the directly contact of damping frame 110, battery bag 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 of structure of damping frame 110 are provided with the lower surface of damping frame 110 Make be through-hole structure to accommodate honoured bushing 120 and internal layer adapter sleeve 130, damping frame lower flange 112 is formed in 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 can transmit 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 vibration absorber 100 oversized and affect the road clearance of battery bag.

The internal diameter of damping frame lower flange 112 is less than the outside dimension for being smaller in size than annular ridge 131.Further improve and subtract Support 110 shake with the connective stability of flexible liner 120, flexible liner 120 can be stably embedded in damping frame 110, Annular ridge 131 is avoided to depart from from damping frame 110.

Alternatively, damping frame lower flange 112 can also be formed in the lower inner surface of 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 wrapping 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, consequently, it is possible to causing the decline of its mechanical property.

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

Damping frame radiator structure can be the damping frame through slot of the periphery wall of insertion damping frame 110, so that Flexible liner 120 is exposed and.During traveling, air flow can be to flexible liner 120 and vibration damping for so vehicle Frame 110 plays a part of natural cooling.

Certainly, damping frame radiator structure can also be the vibration damping for avoiding of 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 for 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 the intensity of damping frame 110 is improved, really Protect battery bag to be fixedly mounted on the floor of vehicle by vibration absorber 100.

As shown in figure 28, according to the battery bag of this 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 Pass upper shell 300 at the top of MSD220 to facilitate maintainer to operate.

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

Because to demands such as car load continual mileage, outputs, electrokinetic cell typically has Large Copacity, high voltage (200V ～400v) etc. characteristic.For high-tension electrokinetic cell, need from safety considerations have can when necessary manually The Manual maintenance switch of cut-out circuit.Electrokinetic cell maintenance, the maintenance of car load 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 cut-out 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 at battery bag middle part, and by bolt and electrokinetic cell bag Upper shell is connected with lower house, when battery bag is in car load ride state, lower house deformation and manually service switch Support to upper shell be spirally connected position produce active force, in the case of Long-term Vibration or severe impact, it will make upper shell with it is manual Service switch is spirally connected position cracking, whole bag waterproof is affected, so as to affect 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, and 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.When disassembling, can Can there is mistake and disassemble connecting bolt situation.Mistake disassembles Manual maintenance switch with Manual maintenance switch support bracket bolt, Ke Nengyin Send out to pull high-tension line and even get an electric shock.

For this utility model proposes a kind of MSD components 200 for battery bag, the MSD components 200 include MSD Frame 210, MSD220 and MSD gripper shoes 230.

Wherein, as viewed in figures 5-8, on the lower house 400 that MSD supports 210 are suitable to be fixed on 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 gripper shoes 230 are located at the upper surface of the upper shell 300 of battery bag, MSD gripper shoes 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 gripper shoes 230 On upper shell 300, and then the contact area between MSD220 and upper shell 300 is increased, reduce MSD220 and upper shell 300 Between concentrated stress, it is to avoid concentrated stress between MSD220 and upper shell 300 is excessive and there is showing for the cracking of upper shell 300 As.

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 Repair mouth 301 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.So that MSD supports 210 install more stable, it is to avoid due to car During traveling there is large-amplitude sloshing and damage MSD220 in MSD supports 210.

Wherein, groove leg 211 is arranged 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 a MSD bolts 240, and a MSD bolts 240 are by MSD gripper shoes 230, upper shell 300 Fasten 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, a 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 that the water resistance of battery bag, it is to avoid the water or impurity in the external world is from MSD access holes 301 Enter into enclosure interior.

It is, of course, understood that a MSD sealing gaskets 250 may also operate as the effect of vibration damping and energy-absorbing, it is to avoid MSD Frame 210 causes serious impact to upper shell 300.

The top of MSD220 passes through MSD gripper shoes 230, and then MSD220 to expose from battery bag and, convenient inspection Repair personnel to manipulate MSD220.MSD220 is arranged on enclosure interior, and from inside to outside sequentially passes through upper shell 300 and MSD Gripper shoe 230.

Specifically, it is provided with MSD gripper shoes 230 and avoids hole 203, MSD tops for avoiding the MSD tops at the top of MSD Avoid and MSD tops avoidance hole flanging 231 is provided with hole 203.

Top avoids hole flanging 231 not only can make the periphery in MSD tops avoidance hole 203 round and smooth, it is to avoid incised wound operator Member, but also the intensity of MSD gripper shoes 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 the 2nd MSD bolt 260 is located at MSD flanges 221 So that MSD flanges 221 are fastened on MSD rack grooves 201, the 2nd MSD bolts 260 are radially positioned MSD tops to corner The outside of hole flanging 231 is avoided, so as to MSD tops avoid hole flanging 231 the 2nd MSD bolts 260 are blocked.

Thus, it is to avoid maintainer due to maloperation is pulled down on the 2nd MSD bolts 260, cause to cause high-tension line The generation for pullling even electric shock phenomenon.

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 improve, 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 on MSD rack grooves 201 and avoid hole 202, MSD bottoms Portion avoids hole 202 to be used to avoid the bottom of MSD220.In other words, MSD220 bottoms can extend into MSD bottoms and avoid hole 202 In,

The installation process of the component of MSD220 is briefly described below.

MSD220 is fixed on MSD supports 210 by the 2nd MSD bolts 260 first, then fixes on MSD supports 210 On lower house 400, after the completion for the treatment of that battery module device 700 is tested, then upper shell 300 and lower house 400 are fixed on into one Rise, upper shell 300, MSD gripper shoes 230 and MSD supports 210 are fixed together finally by a 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, maintenance velar plate in floor is detachably provided with the access hole of floor, MSD access holes 301, MSD are provided with upper shell 300 Access hole 301 is obliquely installed, so that the top of the MSD220 of vehicle obliquely manifests from 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 Because MSD access holes 301 are to be obliquely installed, MSD220 obliquely can stretch out from MSD access holes 301, and then human pilot can Easily to operate to MSD220 from back seat.

Additionally, the space layout of the MSD220 being obliquely installed is more reasonable, compact, save space, while being prevented effectively from MSD220 is interfered with other parts.

Central hump 310 is formed with upper shell 300, central hump 310 is positioned laterally at upper casing in battery bag The centre position of body 300, central hump 310 along battery bag longitudinal extension, 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 higher than MSD access holes 301 forward edge, i.e., MSD access holes 301 towards front arrange.Thus, maintainer Easily will can be manually placed at MSD access holes 301, to operate 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 moved without the need for before and after Move and move up and down, therefore the downside of back seat is without the need for adjusting means, therefore the space that back seat takes is less, upper shell The space that afterwale portion 320 can make full use of back seat to save is formed on 300.

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

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

Thus, both will not due to staff stretch into after the access hole of floor with MSD220 away from it is too far away and do not allow it is easy to operate, Will not interfere with floor maintenance velar plate in Vehicular vibration because MSD220 is too near apart from floor access hole, affect The life-span of MSD220.

Preferably, MSD access holes are provided with around MSD access holes 301 and strengthen raised 330.Thus, significantly improve Intensity around MSD access holes 301, reduces the probability of the breakage of 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, the enclosure interior pressure that balanced power battery bag causes 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 all the time poised state.

For high-tension electrokinetic cell, the sealing of electrokinetic cell bag directly influences the use safety of electric automobile, Need from safety considerations to arrange the air-tightness that detection electrokinetic cell bag is easy in airtight detection hole, while housing is closed with reference to car load Removing the work office, improves the utilization rate in space, and arranges 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 installing hole of waterproof vent valve, sets detection during test air-tightness Standby test connecting tube is connected with the installing hole of waterproof vent valve is tested, and detection installs again waterproof vent valve after finishing.By In the sealing property that can not detect waterproof vent valve, the water resistance of battery bag may be affected, so as to affect electric automobile to use Safety.

For this purpose, 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 are located at the side of upper shell 300, also set on upper shell 300 Air-leakage test hole 302 is equipped with, at air-leakage test hole 302 sealing device is detachably provided with.

In other words, specially it is provided with upper shell of the present utility model 300 for detecting the bubble-tight air-tightness inspection of housing Gaging hole 302, the hole that the air-leakage test hole 302 is located from waterproof vent valve 360 is different holes.

When the air-tightness to housing is detected, directly detection means can be connected to into 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, the multiple rows of and many column distribution of multiple 360 one-tenth of waterproof vent valves.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 fastens 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-leakage test hole 302, electricity The air-tightness of the housing of Chi Bao can be improved.

Airtight nut can be fixed with the sulfuration of the first airtight rubber circle, 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 forming left forefront depression 341, the right front portion of upper shell 300 is to lower recess forming right front portion depression 342.Left forefront depression 341 and right front portion depression 342 With reference to the rational deployment of car load, the utilization rate in space can be significantly improved.

Front protrusion 350, central hump 310 and afterwale portion 320, central hump 310 are formed with upper shell 300 In the centre position for being positioned laterally at upper shell 300 of battery bag, central hump 310 along battery bag longitudinal extension, it is front grand Play portion 350 and distinguish the left side and right side of centrally located protrusion 310, and front 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, front 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 during the both sides of MSD access holes 301 are Portion is recessed.

The front-row seats of the correspondence vehicle of front protrusion 350, 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 arranging, can be maximum according to the structure of car load 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, the power module and power-supply system for fields such as electric automobiles is continually developed And improvement, it is contemplated that battery bag reliability and safety, the security requirement of current batteries of electric automobile packet system and method for testing There is one in pilot project for random vibration test, this test proposes very high requirement to the intensity of battery bag, otherwise works as electricity Chi Bao carries out on a vibration table battery bag damage situations when Z, Y, X axis vibrate will be very serious, or even the meeting under real working condition Harm is brought to safe driving.And due to the requirement of battery bag module installation itself, battery bag lower house also will have very high Intensity, can undertake the energy infringement come by vibration, collision belt, it is to avoid battery bag population structure occurs the phenomenon of failure.This Also the intensity just to lower house in whole battery bag is put forward higher requirement.

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, at lower house mount point in the tests such as vibration, impact and the easy stress concentration of module installing hole Housing is caused to ftracture, so as to cause whole battery bag to fail.

For 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 diapire of lower house 400, bottom plate 500 intensity that can improve 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 respectively with the longitudinal moulding in the left and right two of subiculum plate framework 510.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 respectively with the longitudinal moulding in the left and right two of subiculum plate framework 510, bottom plate The neighbouring middle bottom plate crossbeam 520 of support beam 530 is arranged.Alternatively, bottom plate support beam 530 can be fixed on centre A bottom plate crossbeam 520 on.

Multiple bottom plate crossbeams 520 include being spaced apart the first bottom plate crossbeam 521, second bottom plate of distribution from front to back The distance between the bottom plate crossbeam 523 of crossbeam 522 and the 3rd, the first bottom plate crossbeam 521 and 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 numerical range includes endpoint value.

The distance between front 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 bottom plate crossbeam 520 is reduced, 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 the periphery wall around lower house 400 is arranged.Thus, the intensity of lower house 400 is further increased.

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

Lower house perisporium stiffening device further includes left side internal reinforcing plates 542 and left side flange gripper shoe 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 gripper shoe 543 is fixed in left side The outside of portion's reinforcing plate 542.

Lower house perisporium stiffening device further includes right side internal reinforcing plates 544 and right side flange gripper shoe 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 gripper shoe 545 is fixed in right side The outside of portion's reinforcing plate 544.

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

Front lining reinforcing plate 541, left side internal reinforcing plates 542, right side internal reinforcing plates 544 and backsight reinforcing plate 546 are solid Be scheduled on the perisporium of lower house 400, and it is front 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 respectively energy-absorbing cavity between the perisporium of lower house 400, 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 includes lower house gusset 548, Lower house gusset 548 is separately positioned at four angles of lower house 400, and the lower house gusset 548 of front left side respectively with front lining The left end of reinforcing plate 541 is connected with the front end of left side flange gripper shoe 543, the lower house gusset 548 of forward right side respectively with front lining The right-hand member of reinforcing plate 541 is connected with the front end of right side flange gripper shoe 545, and the lower house gusset 548 of left rear side is turned over respectively with after The left end of side gripper shoe 547 is connected with the rear end of left side flange gripper shoe 543, the lower house gusset 548 of right lateral side respectively with it is rear The right-hand member of flange gripper shoe 547 is connected with the rear end of right side flange gripper shoe 545, and wherein lower house gusset 548 is arc gusset.

Lower house gusset 548 can be by front lining reinforcing plate 541, left side flange gripper shoe 543, right side flange gripper shoe 545 Link together with rear flange gripper shoe 547.Further, the intensity of lower house component is further increased, it is ensured that battery component is steady Surely it is fixedly mounted on lower house component.

The lower house component of this 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 mostly tiles, and monolayer battery modules are fixed in lower casing body by installation bolt Portion, the size of the battery modules of tile form is mainly subject to the size limitation of vehicle X and Y-direction, so battery modules arrangement Quantity can also be subject to the size limitation of vehicle X and Y-direction, it is impossible to using the space of Z-direction, it is impossible to which maximized utilization cloth is empty Between.Additionally, 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 Lifted.If using rebuilding form, rationally utilizing Z-direction space, the upgrading of product energy is beneficial to.

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

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

Lower floor module left socle 620 and lower floor module right support 630 can be fixed respectively with lower floor module fore-stock 610, As long as can certainly fix 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 module fore-stock 610, lower floor module left socle 620, lower floor module right support 630 and central dividing plate 640 limit the 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 this 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 be installed On central dividing plate 640.

Thus, it is possible to significantly improve the space availability ratio of battery bag, it is ensured that can accommodate in the housing of same battery bag Greater number of battery modules.The double-deck module bracket component 600 of this utility model embodiment can be arranged on back seat The lower section of lower floor, the space taken in the height direction due to back seat less, 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 this utility model embodiment may be provided at the housing of battery bag Higher part in.

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

Specifically, front fixing leg is Open Side Down " u "-shaped, and the lower open end of the front fixing leg 612 of " u "-shaped sets respectively It is equipped with front fixing leg flanging 612a, lower floor module fore-stock body 611 is fixed on lower house by front fixing leg flanging 612a On 400.Alternatively, front 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 for extending forward Flanging 611a, front fixing leg flanging 612a, fore-stock body lower hem 611a and lower house 400 are by the first double-deck module spiral shell Bolt is fastened.

Front fixing leg flanging 612a and fore-stock body lower hem 611a are spaced apart in the vertical direction, fore-stock body Lower hem 611a can be with the roof of the front 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 641a is fixed with the roof of the front fixing leg 612 of " u "-shaped.Alternatively, central dividing plate body flanging 641a can be with front fixation The roof of leg 612 is fixed together by threaded fastener.

The top edge of lower floor module fore-stock body 611 is provided with the fore-stock body upper hem 611b for extending forward, in Space bar body flanging 641a, fore-stock body upper hem 611b, the roof of the front 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, the front end of lower floor module left socle 620 and lower floor module fore-stock 610 Left end adjoin, the front end of lower floor module right support 630 adjoins with the right-hand member of lower floor module fore-stock 610, left of lower floor's module Frame 620 and lower floor's die holder right support also support respectively the left side edge and right side edge of central dividing plate body 641, and lower floor's mould Group left socle 620 and lower floor's module right support 630 are also solid with the left side edge and right side edge of central dividing plate body 641 respectively It is fixed.

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

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

In addition, the periphery of loss of weight louvre 601 arranges loss of weight radiating hole flanging, the strong of loss of weight louvre 601 can be improved Degree, reduces the probability of failure of loss of weight louvre 601.

Loss of weight louvre 601 is rectangular and has flange, and each loss of weight louvre 601 corresponds to a rectangular boss, and each is 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 front fixing leg 612 of " u "-shaped exists In incremental trend on direction from the top down.

Central dividing plate body 641 is connected turnablely with rear fixing leg 642, and thus the battery modules in lower floor occur event During barrier, central dividing plate 640 easily can be opened to overhaul the battery modules of 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 increasingly subject to social concerns, especially electronic Automobile.Appropriate change is typically done to accelerate new-energy automobile exploitation schedule in traditional vehicle by traditional vehicle enterprise, increases new forms of energy Drive parts and developed with realizing new forms of energy power vehicle.

Electrokinetic cell bag has the effect for storing and exporting electric energy as " fuel tank " of new forms of energy electric drive parts.And move What power battery bag was mainly consisted of hundreds of or even thousands of battery cells series and parallel, if one by one battery core is carried out Assembling will extremely affect production efficiency, therefore general just cell constitutes a module with certain amount certain way, referred to as 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 automotive occupant orlop plate lower section.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 the battery modules inside electrokinetic cell bag directly affects the space availability ratio of whole battery bag.

The arrangement of the 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 car load demand in limited space, causes vehicle performance low.Meanwhile, electricity The arrangement of the 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 affected.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 affect complete vehicle quality distribution.

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

Wherein, as shown in figures 13-16,710 points of front battery modules component is battery before battery modules 711 before left side and right side Module 712, before left side before battery modules 711 and right side battery modules 712 in the transversely relative of battery bag, and electricity before left side Pond module 711 is spaced apart with battery modules before right side 712.

Middle battery modules 720 are arranged on the heel row of front battery modules component 710, and 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 back seat is highly 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 forming afterwale portion 320, afterwale portion 320 It is interior to place multi-layer cell die set.

The battery module device 700 of this utility model embodiment, can make full use of the inner space of the housing of battery bag, Space availability ratio is improved, there is gap to radiate when favorably using work between battery modules.

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 module right support 630, lower floor module left socle 620, lower floor 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 Each layer in layer battery modules 732 is symmetrical with regard to the longitudinal centre line of battery bag.Thus, have and controlled using complete vehicle quality distribution System, improves the riding stability of car load.

Thus middle battery modules 720 further increase electricity in the centre position for being positioned laterally at battery bag of battery bag The symmetry of Chi Bao, it is ensured that battery bag total quality is evenly distributed.

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

The length direction of each battery modules in front battery modules component 710 parallel to the horizontal 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, each battery modules in front battery modules component 710 extend along the left and right directions of vehicle, middle battery Module 720 extends along the fore-and-aft direction of vehicle, and each battery modules in multi-layer cell die set 730 are before and after vehicle Direction extends.

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, before left side battery modules 711 include from front to back juxtaposed 17th battery modules 711q, the tenth 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 5th battery modules 732e and the 6th are electric 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 17 battery modules 711q are sequentially connected in series.There are positive terminal, the 17th battery modules 711q in first battery modules 712a It is upper that there is negative pole end.

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

In some embodiments of the present utility model, battery modules 712 are electric including from front to back juxtaposed first before right side Pond module 712a, the second battery modules 712b and the 3rd battery modules 712c, battery modules 711 are included from front to back simultaneously before 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 6th battery modules 732f and the 7th battery Module 732g.

Upper strata battery modules 731 include juxtaposed 12nd battery modules 731l, the 11st battery modules from left to right 731k, 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 are 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 720 front end is 40mm-60mm, the rear end of middle battery modules 720 and bilayer with the distance of the rear end of front battery modules component 710 The distance of the front end of 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 numerical range includes end points Value.

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

In some embodiments of the present utility model, each battery modules in front battery modules component 710 are greatly Module, each battery modules in middle battery modules 720 and multi-layer cell die set 730 are little module.

The corresponding afterwale portion 320 of multi-layer cell die set 730 of this utility model embodiment and back seat, rear row seat The height space that chair takes is less, 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 car load, 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 is required Fixed support, can meet battery pack structure intensity requirement, but can be cost-effective etc. resource.

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

Wherein, as shown in figure 17, front battery modules base plate 713 is fixed on the upper surface of the diapire of lower house 400, and front Battery modules base plate 713 is used to install front battery modules component 710.

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

Detection plate base plate 740 is fixed on the upper surface of the diapire of lower house 400, and detection plate base 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 this utility model embodiment, by the battery mould before setting on lower house 400 Group base plate 713, middle battery modules base plate 722 and detection plate base plate 740 so that front battery modules component 710, middle battery modules 720 and detection plate install it is more stable.

In some embodiments of the present utility model, battery bag lower house component can also include front tubular reinforcements 751 With rear tubular reinforcements 752, front 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 front 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, front battery modules base plate 713 is located between front tubular reinforcements 751 and rear tubular reinforcements 752.It is preferred that Ground, front tubular reinforcements 751 and rear tubular reinforcements 752 can be fixedly connected with front battery modules base plate 713.Further, further Improve the structural strength of front battery modules base plate 713, it is ensured that front battery modules component 710 is more stably installed at front battery On module base plate 713.

Longitudinal connecting member 760, longitudinal connecting member are also included according to the battery bag lower house component of this utility model embodiment 760 are fixed on the upper surface of the diapire of lower house 400, longitudinal connecting member 760 respectively with front tubular reinforcements 751 and rear tubulose Reinforcement 752 is connected.Alternatively, longitudinal connecting member 760 can be fixed with front battery modules base plate 713.

Front battery modules base plate 713 includes left front battery modules base plate 713a and right front battery modules base plate 713b, left front Battery modules base plate 713a and right front battery modules base plate 713b are separately positioned on the left side and right side of longitudinal connecting member 760.It is left Front battery modules base plate 713a and right front battery modules base 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 are shorter than the mid portion being connected between front end and rear end, left front battery The right side edge of module base plate 713a is fixed on the higher mid portion of longitudinal connecting member 760, right front battery modules base plate The left side edge of 713b is fixed on the higher mid portion of longitudinal connecting member 760, and left front battery modules base plate 713a Right side edge with it is right before battery modules base plate 713b left side edge being transversely spaced apart in battery modules.

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

Further, left front battery modules base plate 713a and it is right before in battery modules base plate 713b each with front pipe Shape reinforcement fixed support 753, rear tubular reinforcements fixed support 754 are fixed.Thus, left front battery modules base plate 713a and the right side The structure of front battery modules base plate 713b is more stable, and front battery modules component 710 can more be stably installed at left front electricity On pond module base plate 713a and right front battery modules base plate 713b.

The front end of middle battery modules base plate 722 respectively with two of left side and right side after tubular reinforcements fixed support 754 It is fixed, middle battery modules base plate 722 is in the centre position for being positioned laterally at lower house 400 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 diapire of body 400, rear web beam 770 is fixed with the rear end of middle battery modules base plate 722.

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

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

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

Battery modules of the prior art are mainly by heating film heating, 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 of each car load factory and designs above, in these applications In, majority is adhesively fixed using double faced adhesive tape between heating film and module surface, and this fixed form requires the surface that is stuck It is smooth, cleaning, and when using for a long time in complex environment, double faced adhesive tape easily comes off, and causes heating properties to decline even heating and loses Effect, therefore how effectively heating film to be fixed to into battery surface is to need the technology for solving to ask in electrokinetic cell heating technique Topic.

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

As shown in figs. 18-21, can include that module bracket 781, electricity add according to the battery modules of this utility model embodiment 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 front battery modules base plate 713 and middle battery modules base 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 lamellar 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 caused danger with the directly contact of module bracket 781.

Additionally, compressing the power for producing by module flexible structure 784 can ensure that electric heating sheets 782 and module bracket 781 Effectively laminating, prevents module flexible structure 784 from coming off, and increases heats.

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 for 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 arranged 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 arranged 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 respectively with electricity Two longitudinal sides of backing 782 are concordant, and left end flexible strip 784c and right-hand member flexible strip 784d is just to arranging and each distance The distance of front end flexible strip 784a and rear end flexible strip 784b is equal.

In further embodiment of the present utility model, multiple flexible strips are spaced apart along the length direction of battery modules and divide Cloth.

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

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 this utility model embodiment, it is whole by arranging one between module bracket 781 and electric heating sheets 782 Individual module flexible structure 784 or multiple flexible strips, even if there is local shedding in module flexible structure 784 or multiple flexible strips, Electric heating sheets 782 and the directly contact of module bracket 781 can also be avoided, and then avoids 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, Certainly flexible strip can also be fixed on by other means between electric heating sheets 782 and module bracket 781.

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 this 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 this utility model embodiment Reinforcement 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, tubular reinforcements fixed support respectively with the lower casing of battery bag The inner surface of the upper surface of the diapire 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 improve.

Added according to the tubulose stiffening device for battery bag of this 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 left the side wall in the left side of lower house 400 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 diapire of lower house 400 and The inner surface of the side wall of lower house 400 is fixedly connected.

Tubular reinforcements include front tubular reinforcements 751 and rear tubular reinforcements 752, front tubular reinforcements 751 and rear pipe Shape reinforcement be arranged in parallel and opens 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 diapire of lower house 400 On upper surface, longitudinal connecting member 760 is connected respectively with front tubular reinforcements 751 and rear tubular reinforcements 752.Alternatively, longitudinal direction Connector 760 can be welded or be spirally connected and be fixed on the diapire of lower house 400.

The front end of longitudinal connecting member 760 is fixed with the centre position of front tubular reinforcements 751, after longitudinal connecting member 760 End is fixed with the centre position of rear tubular reinforcements 752.

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

Further, after front tubular reinforcements 751 are less than with the quantity of the fixed bit of front tubular reinforcements fixed support 753 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, front tubular reinforcements 751 are consolidated with front tubular reinforcements fixed support 753 Pinpoint as 5, rear tubular reinforcements 752 are 7 with the fixing point of rear tubular reinforcements fixed support 754.

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

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

In addition, tubular reinforcements lightening hole constitutes the tubular reinforcements wire harness/copper bar for fixed beam/copper bar fixing Hole.In other words, tubular reinforcements lightening hole can also be to for fixed beam/copper bar.

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

In prior art, the low voltage wiring harness, heating film wire harness inside electrokinetic cell bag is more, to avoid in driving conditions In, wire harness weares and teares or ruptures, and causes electrokinetic cell bag internal security problem, can be fixed wire harness by fixing device, it is ensured that Safety.

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

Wherein, as illustrated in figs. 22-25, line protecting box body 821 along battery bag longitudinal extension, line protecting box body 821 it is vertical To two ends and open top, on the left side wall and right side wall of line protecting box body 821 wire harness escape groove 801 is provided with；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 with effective protection wire harness, can effectively reduce the general of the abrasion of wire harness and fracture Rate.And wire harness can pass through the escape groove on line protecting box 820 to be connected 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 sets 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 is 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 is 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 is installed stably, 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 of the lid spacing preiection 822b for being located at middle.

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 also set The line protecting box reinforcement 821a of vertical extension is equipped with, line protecting box reinforcement 821a extends downward the diapire 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 sub- lid connecting portion of lower 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 that the wire harness for damaging is overhauled or replaced.

Line protecting box fixing hole 804 is provided with the diapire of line protecting box body 821, line protecting box fixing hole 804 goes out to be embedded with shield The metal ferrules of line box 820.Female 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 front-end and back-end of longitudinal connecting member 760 are shorter than the mid portion being connected between front end and rear end, by This longitudinal connecting member 760 can support whole line protecting box 820.

Line protecting box body 821 is the working of plastics for being 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 this 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 adopt 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；Simultaneously lower casing body thickness a larger increase weight of housing.

For this purpose, the utility model proposes a kind of BDU810 for vehicle, is described below in detail this utility model enforcement The BDU810 for vehicle of example.

As shown in figs. 26-27, the BDU810 for vehicle being used for according to this 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, plus thermorelay 816 and add thermal cut-off 817。

Wherein, BDU housings 811 include the BDU base plates 811a and BDU upper casing 811b being arranged on BDU base 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.

The positive relay 812 of master 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 the positive relay 812 of master；Plus thermorelay 816 and plus thermal cut-off 817 It is arranged in BDU housings 811.

The positive relay 812 of master and main negative relay 813 are fixed on the centre position of BDU base plate 811a, preliminary filling relay 814th, plus thermorelay 816, plus thermal cut-off 817 be fixed on BDU base plate 811a on and positioned at the positive relay 812 of master, it is main bear after The side of electrical equipment 813, preliminary filling resistance 815 is fixed on BDU base plate 811a and positioned at the positive relay 812 of master, main negative relay 813 Opposite side.

BDU810 for vehicle also includes diverter 818, and diverter 818 is fixed on BDU base plate 811a, and is shunted Device 818 is adjacent with before and after preliminary filling resistance 815.

Further, preliminary filling relay 814, plus thermorelay 816, plus thermal cut-off 817, the positive relay 812 of master, main negative Relay 813 and diverter 818 are arranged in a row.

Diverter coaming plate 818a is additionally provided with BDU base plates 811, diverter 818 is built in diverter coaming plate 818a, by This diverter 818 can be more fixedly mounted on BDU base plate 811a.

One is additionally provided with BDU base plate 811a and aligns clamping plate 812a and a pair of auxiliary splint 813a, the positive relay 812 of master is arranged Align between clamping plate 812a one, main negative relay 813 is arranged between a pair of auxiliary splint 813a.Thus, the positive relay 812 of master Can more be fixedly mounted on BDU base plate 811a with main negative relay 813.

Also set up on BDU base plate 811a and the anti-misloading portion of the positive relay of master 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 the installation effectiveness of BDU810.

Also set up on BDU base plate 811a and a pair of heating plates 816a, plus thermorelay 816 is arranged on a pair of heating plates 816a Between, also set up on BDU base plate 811a and fuse coaming plate 817a, plus thermal cut-off 817 be arranged on fuse coaming plate 817a it Between, preliminary filling relay 814 is arranged between fuse coaming plate 817a and adjacent heating plate 816a.

The anti-misloading portion of preliminary filling relay is provided with BDU base plate 811a, is provided with plus thermorelay mistake proofing on heating clamping plate Dress portion.Thus, it is possible to avoid preliminary filling relay 814 and add thermorelay 816 that misloading occurs, the installation effect of BDU810 is greatly improved Rate and accuracy rate.

BDU reinforcement 811c are provided with BDU base plate 811a, BDU reinforcements 811c sets adjacent to the edge of BDU base plate 811a Put, and the development length of BDU reinforcement 811c is at least over the half of BDU base plate 811a outward flange girths.Thus, further Improve the structural strength of BDU base plates 811, it is ensured that the structural soundness of BDU810, the electrical part inside BDU810 is in more Stable and safety working environment.

The BDU810 of this utility model embodiment includes BDU base plate 811a and BDU upper casing 811b, BDU base plate 811a and BDU Upper casing 811b coordinates with higher sealing and non-deformability；Electrical part on BDU base plate 811a has error-disable function, keeps away Exempt from identical electrical part position setup error and same electrical part direction setup error；BDU base plates 811a arranges BDU reinforcement 811c Increase housing structure intensity can be shown.The battery cutout unit (BDU810) of this utility model embodiment fixes electrical part integrated form Install, effectively utilizes electrokinetic cell bag space, protect 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 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.And, the specific features of description, structure, material or feature can be with Combine in an appropriate manner in any one or more embodiments or example.Additionally, those skilled in the art can be by Different embodiments 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 restriction 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, be changed, being replaced and modification.

Claims (10)

1. a kind of tubulose stiffening device for battery bag, it is characterised in that include：

Tubular reinforcements, the tubular reinforcements are extended laterally along the battery bag, and the tubular reinforcements are hollow pipe Beam texture；

Tubular reinforcements fixed support, the tubular reinforcements fixed support is fixed on left end and the right side of the tubular reinforcements End, the tubular reinforcements fixed support respectively with the upper surface and the lower house of the diapire of the lower house of the battery bag The inner surface of side wall be fixedly connected.

2. the tubulose stiffening device for battery bag according to claim 1, it is characterised in that the tubular reinforcements to A left side extends to the side-walls in the left side of the lower house, and the right-hand member of the tubular reinforcements extends right up to the right side of the lower house The side-walls of side.

3. the tubulose stiffening device for battery bag according to claim 1, it is characterised in that the tubular reinforcements tool There is rectangular cross section.

4. the tubulose stiffening device for battery bag according to claim 1, it is characterised in that the tubular reinforcements bag Include：

Front tubular reinforcements and rear tubular reinforcements, the front tubular reinforcements be arranged in parallel with the rear tubular reinforcements and The longitudinally spaced of the battery bag is opened.

5. the tubulose stiffening device for battery bag according to claim 4, it is characterised in that also include：

Longitudinal connecting member, the longitudinal connecting member is fixed on the upper surface of the diapire of the lower house, the longitudinal connecting member It is connected with the front tubular reinforcements and the rear tubular reinforcements respectively.

6. the tubulose stiffening device for battery bag according to claim 5, it is characterised in that the longitudinal connecting member Front end is fixed with the centre position of the front tubular reinforcements, the rear end of the longitudinal connecting member and the rear tubular reinforcements Centre position is fixed.

7. the tubulose stiffening device for battery bag according to claim 4, it is characterised in that the tubular reinforcements are consolidated Fixed rack includes：Front tubular reinforcements fixed support and rear tubular reinforcements fixed support, the rear tubular reinforcements are fixed and propped up Frame is more than front tubular reinforcements fixed support size in the cross direction in the size transversely of the battery bag.

8. the tubulose stiffening device for battery bag according to claim 7, it is characterised in that the front tubular reinforcements Strengthen less than the rear tubular reinforcements and the rear tubulose with the quantity of the support bracket fastened fixed bit of the front tubular reinforcements The quantity of the support bracket fastened fixed bit of part.

9. the tubulose stiffening device for battery bag according to claim 1, it is characterised in that on the tubular reinforcements It is provided with tubular reinforcements lightening hole.

10. the tubulose stiffening device for battery bag according to claim 9, it is characterised in that the tubular reinforcements Lightening hole constitutes the tubular reinforcements wire harness/copper bar fixing hole for fixed beam/copper bar.