CN107887536A - Battery bag - Google Patents

Battery bag Download PDF

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Publication number
CN107887536A
CN107887536A CN201610867114.5A CN201610867114A CN107887536A CN 107887536 A CN107887536 A CN 107887536A CN 201610867114 A CN201610867114 A CN 201610867114A CN 107887536 A CN107887536 A CN 107887536A
Authority
CN
China
Prior art keywords
battery
battery modules
battery bag
bottom plate
tubular reinforcements
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610867114.5A
Other languages
Chinese (zh)
Other versions
CN107887536B (en
Inventor
李猛
张海建
曲凡多
张放南
张巧然
曹雪平
唐丽娟
周月
李卫华
赵梁栋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Svolt Energy Technology Co Ltd
Original Assignee
Great Wall Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Great Wall Motor Co Ltd filed Critical Great Wall Motor Co Ltd
Priority to CN201610867114.5A priority Critical patent/CN107887536B/en
Publication of CN107887536A publication Critical patent/CN107887536A/en
Application granted granted Critical
Publication of CN107887536B publication Critical patent/CN107887536B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
    • B60K2001/0427—Arrangement between the seats
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
    • B60K2001/0433—Arrangement under the rear seats
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
    • B60K2001/0438—Arrangement under the floor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Abstract

The invention discloses a kind of battery bag, including：Housing, the housing include lower house and upper shell；Battery module device, the battery module device are arranged in the housing, and the battery module device includes multiple layers of battery modules component, and the multiple battery modules component has the battery modules of multiple superposed；BDU, the BDU are arranged in the housing and positioned at the front side of the battery module device；MSD, the MSD are arranged in the housing, and the upper shell is passed at the top of the MSD；Control panel, the control panel are arranged in the housing and are connected with the battery module device.According to battery bag intensity of the present invention is high, Stability Analysis of Structures, the working environment of safety and stability can be provided for battery modules.

Description

Battery bag
Technical field
The present invention relates to technical field of vehicle, more particularly to a kind of battery bag.
Background technology
In terms of electrokinetic cell pack arrangement, reliable and stable shell structure is essential, it is desirable to provide certain machinery punching Hit, vibrate, extrusion and collision, durable, dustproof and waterproof, corrosion-resistant etc. barrier propterty.Once structural failure will cause height Danger Electric shock risk is pressed, jeopardizes passenger life safety.In terms of function, the stabilization of electric energy output and storage, battery status monitoring and ten Divide key.The voltage of battery, pressure difference, temperature, temperature difference etc. directly affect battery bag functional safety.
The content of the invention
It is contemplated that at least solves one of above-mentioned technical problem of the prior art to a certain extent.Therefore, this hair A bright purpose is to propose a kind of battery bag, battery bag intensity height, Stability Analysis of Structures, can provided for battery modules safe steady Fixed working environment.
According to the battery bag of the present invention, including：Housing, the housing include lower house and upper shell；Battery module device, The battery module device is arranged in the housing, and the battery module device includes multiple layers of battery modules component, described Multiple battery modules components have the battery modules of multiple superposed；BDU, the BDU are arranged in the housing and positioned at described The front side of battery module device；MSD, the MSD are arranged in the housing, and the upper casing is passed at the top of the MSD Body；Control panel, the control panel are arranged in the housing and are connected with the battery module device.
According to the battery pack structure intensity of present invention height, there is higher barrier propterty, can be provided for battery modules surely Fixed working environment, it is ensured that battery modules provide electric power with security and stability.
Brief description of the drawings
Fig. 1 is the schematic diagram of vibration absorber according to embodiments of the present invention；
Fig. 2 is the explosive view of vibration absorber according to embodiments of the present invention；
Fig. 3 is the partial sectional view of vibration absorber according to embodiments of the present invention；
Fig. 4 is the sectional view of vibration absorber according to embodiments of the present invention；
Fig. 5 is the schematic diagram of upper shell according to embodiments of the present invention；
Fig. 6 is the close-up schematic view that Fig. 5 circles show A；
Fig. 7 is the partial schematic diagram of upper shell according to embodiments of the present invention；
Fig. 8 is the schematic diagram of upper shell according to embodiments of the present invention；
Fig. 9 is the cooperation schematic diagram of lower house according to embodiments of the present invention and bottom plate；
Figure 10 is the schematic diagram of bottom plate according to embodiments of the present invention；
Figure 11 is the schematic diagram in double-deck one direction of module bracket component according to embodiments of the present invention；
Figure 12 is the schematic diagram in double-deck another direction of module bracket component according to embodiments of the present invention；
Figure 13 is the schematic diagram of battery modules arrangement according to an embodiment of the invention；
Figure 14 is the schematic diagram of battery pack arrangement in accordance with another embodiment of the present invention；
Figure 15 is that battery modules according to embodiments of the present invention coordinate the explosive view on lower house；
Figure 16 is that battery modules according to embodiments of the present invention coordinate the schematic diagram on lower house；
Figure 17 is the schematic diagram of lower house according to embodiments of the present invention；
Figure 18 is the explosive view of battery modules according to embodiments of the present invention；
Figure 19 is the schematic diagram of flexible strip arrangement according to an embodiment of the invention；
Figure 20 is the schematic diagram of flexible strip arrangement in accordance with another embodiment of the present invention；
Figure 21 is the schematic diagram arranged according to the flexible strip of further embodiment of the present invention；
Figure 22 is the schematic diagram of line protecting box according to embodiments of the present invention；
Figure 23 is the schematic diagram of line protecting box body according to embodiments of the present invention；
Figure 24 is the schematic diagram of line protecting box body according to embodiments of the present invention；
Figure 25 is the schematic diagram of lid according to embodiments of the present invention；
Figure 26 is the schematic diagram of BDU housings according to embodiments of the present invention；
Figure 27 is the schematic diagram that multiple electrical parts according to embodiments of the present invention coordinate with BDU bottom plates；
Figure 28 is the schematic diagram of battery bag according to embodiments of the present invention.
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 holes 202,
MSD 220, MSD flange 221,
MSD supporting plates 230, MSD tops avoidance hole flanging 231, MSD tops avoid holes 203,
First MSD bolts 240, the first MSD sealing gaskets 250, the 2nd MSD bolts 260,
Upper shell 300, MSD access holes 301, air-leakage test hole 302,
Central hump 310, afterwale portion 320, MSD access holes strengthen projection 330,
Left forefront depression 341, right front portion depression 342,
Preceding protrusion 350, waterproof vent valve 360,
Lower house 400,
Bottom plate 500,
Subiculum plate framework 510,
Bottom plate crossbeam 520, the first bottom plate crossbeam 521, the second bottom plate crossbeam 522, the 3rd bottom plate crossbeam 523,
Bottom plate support beam 530,
Preceding lining reinforcing plate 541, left front flange beam 541a, it is right before flange beam 541b, preceding overlap joint beam 541c, inside left side Reinforcing plate 542,
Bottom plate crossbeam lightening hole 501, left side flange supporting plate 543, right side internal reinforcing plates 544, right side flange branch Fagging 545, backsight reinforcing plate 546, rear flange supporting plate 547, lower house gusset 548,
Double-deck module bracket component 600,
Lower floor's module fore-stock 610, lower floor's module fore-stock body 611, fore-stock body lower hem 611a, preceding branch Frame body upper hem 611b, preceding fixed feet 612, preceding fixing leg flanging 612a,
Lower floor's module left socle 620, lower floor's module right support 630,
Central dividing plate 640, central dividing plate body 641, loss of weight heat emission hole 601, central dividing plate body flanging 641a, after Fixing leg 642,
Battery module device 700,
Preceding battery modules component 710, battery modules 711 before left side, battery modules 712 before right side,
Middle battery modules 720,
Multi-layer cell die set 730, upper strata battery modules 731, lower floor's battery modules 732,
First battery modules 712a, the second battery modules 712b, the 3rd battery modules 712c, the 4th battery modules 732d, the 5th battery modules 732e, the 6th battery modules 732f, the 7th battery modules 731g, the 8th battery modules 731h, 9th battery modules 731i, the tenth battery modules 731j, the 11st battery modules 731k, the 12nd battery modules 732l, 13rd battery modules 732m, the 14th battery modules 721n, the 15th battery modules 711o,
16th battery modules 711p, the 17th battery modules 711q,
First detection plate 861, the second detection plate 862,
Preceding battery modules bottom plate 713, left front battery modules bottom plate 713a, it is right before battery modules bottom plate 713b, middle electricity Pond module bottom plate 722, detection plate bottom plate 740,
Preceding tubular reinforcements 751, rear tubular reinforcements 752, preceding tubular reinforcements fixed support 753, rear tubulose are strengthened Part 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, rear 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, Line protecting 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,
BDU 810,
BDU housings 811, BDU bottom plates 811a, BDU upper casing 811b, BDU reinforcement 811c,
Main positive relay 812, positive clamping plate 812a,
Main negative relay 813, auxiliary splint 813a,
Preliminary filling relay 814, preliminary filling resistance 815,
Electrothermal relay 816, heating plate 816a,
Fuse 817 is heated,
Current divider 818, current divider coaming plate 818a.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time The orientation or position relationship of the instruction such as pin ", " counterclockwise " are based on orientation shown in the drawings or position relationship, are for only for ease of Description is of the invention to be described with simplified, rather than the device or element of instruction or hint meaning must be with specific orientation, Yi Te Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that at least two, such as two It is individual, three etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc. Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects Connect or electrically connect or can communicate with one another；Can be joined directly together, can also be indirectly connected by intermediary, can To be connection or the interaction relationship of two elements of two element internals.For the ordinary skill in the art, The concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it " under " Can directly it be contacted including the first and second features, it is not directly to contact but pass through it that can also include the first and second features Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " to include first special Sign is directly over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists Second feature " under ", " lower section " and " following " fisrt feature that includes are immediately below second feature and obliquely downward, or be merely representative of Fisrt feature level height is less than second feature.
Battery bag is typically mounted on below the floor of vehicle, is linked together by the way of lifting with vehicle body roof beam structure.Such as This mounting means, battery bag needs to bear caused vibration in vehicle travel process, and when vehicle is by severe road conditions, shakes The dynamic influence to battery bag will aggravate.
Therefore how in vehicle During Process of Long-term Operation ensure battery bag can bear lasting random vibration, As an important research direction in electric automobile security fields, it is by increasing damping device between vehicle and battery bag Solves one of mode of this problem.
The vibration absorber 100 for vehicle in the embodiment of the present invention is described below in detail, battery bag can be subtracted by this Vibrating device 100 is hung on the chassis of vehicle.
As Figure 1-4, the vibration absorber 100 for vehicle according to embodiments of the present invention can include damping frame 110th, 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 annular groove is provided with the inner peripheral surface of flexible liner 120 101；Internal layer adapter sleeve 130 is embedded in flexible liner 120, and annular ridge is provided with the outer peripheral face of internal layer adapter sleeve 130 131, annular ridge 131 is embedded in annular groove 101, and internal layer adapter sleeve 130 is adapted to the battery bag of vehicle.
Due to internal layer adapter sleeve 130 be primarily subjected to battery bag gravity and caused axial tension, by flexible liner 120 Inner peripheral surface on set annular groove 101, on the outer peripheral face of internal layer adapter sleeve 130 set annular ridge 131, can be by internal layer The axial tension that adapter sleeve 130 is born is transferred uniformly into flexible liner 120, avoid because the stress concentration of flexible liner 120 and Produce expendable infringement.
Flexible liner 120 can also play a part of vibration damping and energy-absorbing, can select ethylene propylene diene rubber or the hydrogenation fine rubber of fourth Glue is raw material, and the maximum operating temperature of such material can reach more than 100 DEG C, and still have at relatively high temperatures excellent Mechanical property.
Damping frame 110 and internal layer adapter sleeve 130 are metalwork, and flexible liner 120 is connected with damping frame 110 and internal layer The vulcanization of set 130 is integrated.Alternatively, damping frame 110 and internal layer adapter sleeve 130 can be Al-alloy parts, so possess compared with On the premise of high intensity, and can enough mitigates the weight of part, and can meet the requirement of batch production.
Alternatively, multiple damping frame legs 111, plurality of damping frame leg 111 are provided with damping frame 110 Upper surface be higher than damping frame 110 upper surface.Thus, it is possible to the chassis for reducing vehicle is transferred to the vibration frequency of battery bag Rate.
In addition, damping frame 110 and internal layer adapter sleeve 130 use metalwork, flexible liner 120 produces 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 it is quick scatter and disappear, avoid flexible liner 120 temperature is too high and influences the job stability of flexible liner 120.
Specifically, annular groove 101 is multiple tracks and is distributed along the axially spaced-apart of flexible liner 120 that annular ridge 131 is more Road is simultaneously respectively embedded into corresponding annular groove 101.Thus, it is possible to further improve internal layer adapter sleeve 130 and flexible liner 120 Contact area, power can transmit more uniformly between internal layer adapter sleeve 130 and flexible liner 120.
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 it is arranged on and subtracts in battery bag When on vibrating device 100, battery bag will not directly contact with damping frame 110, and battery bag can be pressed on flexible liner lower flange On 121, ensure that battery bag is tightly combined with damping frame 110, it is ensured that between damping frame 110 will not be due to having between battery Gap and damping frame 110 is impacted in vibration processes.
Damping frame lower flange 112, at least part structure of damping frame 110 are provided with the lower surface of damping frame 110 It is through-hole structure to accommodate honoured bushing 120 and internal layer adapter sleeve 130 to make, and damping frame lower flange 112 is formed in the through hole knot In the lower inner surface of structure and extend internally.
Flexible liner low groove 102 is provided with the outer peripheral face of flexible liner 120, damping frame lower flange 112 is embedded in soft In property bushing low groove 102.Thus, the contact area of flexible liner 120 and damping frame 110 is further increased so that power More uniformly it can be transmitted between internal layer adapter sleeve 130 and flexible liner 120.
Further, flexible liner low groove 102 and flexible liner lower flange 121 close to.Thus flexible liner 120 is overall Structure is compacter, avoids the road clearance that is oversized and influenceing battery bag of vibration absorber 100.
The internal diameter of damping frame lower flange 112 is less than the outside dimension that size is less than annular ridge 131.And then improve and subtract Shaken the connective stability of support 110 and flexible liner 120, and flexible liner 120 can be stably embedded in damping frame 110, Annular ridge 131 is avoided to depart from out of damping frame 110.
Alternatively, damping frame lower flange 112 can also form the lower inner surface in through-hole structure and stretch out, soft Formed with flexible liner lower flange 121 and stretch out on the outer peripheral face of property bushing 120, formed on flexible liner lower flange 121 It is fluted to wrap up damping frame lower flange 112.
During vibration absorber 100 works, flexible liner 120 needs to bear dither for a long time, this mistake Cheng Zhonghui produces heat accumulation, so as to cause the decline of its mechanical property.
For the vibration absorber 100 of this embodiment of the present invention, it is provided with damping frame 110 for entering to flexible liner 120 The damping frame radiator structure of row radiating.
Damping frame radiator structure can be the damping frame through slot of the periphery wall of insertion damping frame 110, to cause Flexible liner 120, which exposes, to be come.For so vehicle during traveling, air flow can be to flexible liner 120 and vibration damping branch Frame 110 plays a part of natural cooling.
Certainly, damping frame radiator structure can also be the vibration damping avoided for the periphery wall for being arranged on damping frame 110 Support radiating fin (not shown).Thus, it is possible to increase the contact area of damping frame 110 and air so that flexible liner 120 The heat being transferred on damping frame 110 dissipates as early as possible.
In some embodiments of the invention, flexible liner 120 can be solid construction, naturally it is also possible to be hollow knot Structure, as long as ensureing that flexible liner 120 has enough damping properties.
Triangular reinforcing plate can be provided with damping frame 110, it is possible thereby to improve the intensity of damping frame 110, really Battery bag is protected to be fixedly mounted on the floor of vehicle by vibration absorber 100.
As shown in figure 28, battery bag according to embodiments of the present invention includes 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, more Individual battery modules component has multiple stacked battery modules.
BDU810 is arranged in housing and is arranged on positioned at the front side of battery module device 700, MSD220 in housing, and Upper shell 300 is passed at the top of MSD220 to facilitate maintainer to operate.
Tubular reinforcements extend laterally along battery bag, and tubular reinforcements are hollow pipe beam texture, tubular reinforcements It is fixed on by tubular reinforcements fixed support in lower house 400.Detection plate be arranged in housing and with battery module device 700 It is connected.
Due to typically there is Large Copacity, high voltage (200V to the demands such as vehicle continual mileage, power output, electrokinetic cell ~400v) etc. characteristic.For high-tension electrokinetic cell, needing to have from safety considerations can when necessary manually Cut off the Manual maintenance switch of circuit.Electrokinetic cell maintenance, the maintenance of vehicle high-pressure system, manually maintenance, electrokinetic cell it is abnormal, When low voltage control exception, use and safe operation can be ensured by way of cutting off Manual maintenance switch.Switch needs Position easy to operation is arranged in, while needs to ensure that its is reliable and stable.
The Manual maintenance switch support of existing electrokinetic cell bag is located in the middle part of battery bag, and passes through bolt and electrokinetic cell bag Upper shell is connected with lower house, when battery bag is in vehicle ride state, lower house deformation and manually service switch Support acts power to the position that is spirally connected of upper shell, in the case of Long-term Vibration or severe impact, it will make upper shell with manually Service switch be spirally connected position cracking, influence whole bag waterproof, so as to influence it is whole bag it is safe to use.
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 by bolt is connected Manual maintenance switch support with upper shell.Assembling Cheng Houke is in external observation and can contact Manual maintenance switch and Manual maintenance switch support connecting bolt., can when disassembling There can be mistake and disassemble connecting bolt situation.Mistake disassembles Manual maintenance switch and Manual maintenance switch support bracket bolt, Ke Nengyin Hair is pullled high-tension line or even got an electric shock.
For this, the present invention proposes a kind of MSD components 200 for battery bag, and the MSD components 200 include MSD supports 210th, MSD220 and MSD supporting plates 230.
Wherein, as viewed in figures 5-8, MSD supports 210 are suitable to be fixed on the lower house 400 of battery bag, on MSD supports 210 It is provided with MSD rack grooves 201；MSD flanges 221 are provided with MSD220, MSD flanges 221 are contained in MSD rack grooves 201 It is interior and can be fixed in MSD rack grooves 201.Thus, MSD220 can be firmly supported on MSD supports 210.It is optional Ground, MSD flanges 221 are rectangle, the shape of MSD rack grooves 201 and the form fit of MSD flanges 221.
MSD supporting plates 230 are located at the upper surface of the upper shell 300 of battery bag, MSD supporting plates 230, upper shell 300 and MSD Support 210 is fixed, and MSD220 outwards manifests from upper shell 300.
MSD220 is directly anchored on upper shell 300, but is fixed on battery bag by MSD supporting plates 230 On upper shell 300, and then the contact area between MSD220 and upper shell 300 is increased, reduce MSD220 and upper shell 300 Between concentrated stress, avoid the concentrated stress between MSD220 and upper shell 300 excessive and occur upper shell 300 cracking show As.
It is understood that being provided with MSD access holes 301 on the upper shell 300 of battery bag, MSD220 can examine from MSD Mouth 301 is repaiied to stretch out.
Fluted leg 211 is set on MSD supports 210, and groove leg 211 can surround MSD rack grooves 201, and recessed Groove leg 211 is only against on the lower surface of upper shell 300.More stablize so that MSD supports 210 are installed, avoid due to car MSD supports 210 occur large-amplitude sloshing and damage MSD220 during traveling.
Wherein, groove leg 211 is set around MSD access holes 301, so that the structure of MSD supports 210 is more stepped up Gather, avoid MSD220 from taking the space of excessive enclosure interior.
MSD components 200 also include the first MSD bolts 240, and the first MSD bolts 240 are by MSD supporting plates 230, upper shell 300 Fastened with groove leg 211.That is, MSD220 is fixed on MSD supports 210, MSD supports 210 pass through threaded fastener It is fixed on upper shell 300.
Preferably, the first MSD sealing gaskets are provided between the upper surface of groove leg 211 and the lower surface of upper shell 300 250.First MSD sealing gaskets 250 can ensure the water resistance of battery bag, avoid extraneous water or impurity from MSD access holes 301 Enter enclosure interior.
It is, of course, understood that the first MSD sealing gaskets 250 can also play a part of vibration damping and energy-absorbing, MSD branch is avoided Frame 210 causes serious impact to upper shell 300.
MSD220 top passes through MSD supporting plates 230, and then MSD220 can be exposed from battery bag and, convenient inspection Personnel are repaiied to manipulate MSD220.MSD220 is arranged on enclosure interior, and sequentially passes through upper shell 300 and MSD from inside to outside Supporting plate 230.
Specifically, it is provided with MSD supporting plates 230 for avoiding avoid holes 203 at the top of the MSD at the top of MSD, MSD tops It is provided with avoid holes 203 at the top of MSD and avoids hole flanging 231.
Top, which avoids hole flanging 231, can not only make the periphery of avoid holes 203 at the top of MSD round and smooth, avoid hurting operator Member, but also the intensity of MSD supporting plates 230 can be improved, ensure that MSD220 does not interfere with the overall installation strength of battery bag.
MSD components 200 also include multiple 2nd MSD bolts 260, and each 2nd MSD bolts 260 are located at MSD flanges 221 So that MSD flanges 221 are fastened on MSD rack grooves 201, the 2nd MSD bolts 260 are radially positioned at the top of MSD corner The outside of hole flanging 231 is avoided, the 2nd MSD bolts 260 are blocked so as to avoid hole flanging 231 at the top of MSD.
Thus, avoid maintenance personal to pull down due to maloperation and by the 2nd MSD bolts 260, cause to trigger high-tension line Pull even electric shock phenomenon generation.
The lower surface of MSD flanges 221 is provided with the 2nd MSD sealing gaskets, and the 2nd MSD sealing gaskets are folded in MSD flanges 221 Between lower surface and the upper surface of MSD rack grooves 201.Thus, the fastness that MSD220 installs with MSD supports 210 is improved, And the 2nd MSD sealing gaskets at least play a part of vibration damping and energy-absorbing to a certain extent.
In some embodiments of the invention, MSD bottoms avoid holes 202 are set on MSD rack grooves 201, and MSD is kept away bottom Hole 202 is allowed to be used for the bottom for avoiding MSD220.In other words, MSD220 bottoms can be extend into MSD bottoms avoid holes 202,
The installation process of MSD220 component is briefly described below.
MSD220 is fixed on MSD supports 210 by the 2nd MSD bolts 260 first, then fixed MSD supports 210 On lower house 400, after the completion for the treatment of that battery module device 700 is tested, upper shell 300 and lower house 400 are then fixed on one Rise, upper shell 300, MSD supporting plates 230 and MSD supports 210 are fixed together finally by the first MSD bolts 240.
As Figure 7-8, battery bag is suitable on the lower surface on the floor for being fixed on 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 MSD220 of vehicle top obliquely manifests at MSD access holes 301, MSD maintenance Mouth 301 is relative with floor access hole.
In other words, MSD220 can pass through the floor access hole on the MSD access holes 301 and floor on upper shell 300, and Due to MSD access holes 301 to be obliquely installed, MSD220 obliquely can stretch out from MSD access holes 301, and then human pilot can Easily to be operated at back seat to MSD220.
In addition, the space layout for the MSD220 being obliquely installed is more reasonable, compact, space is saved, while effectively avoid MSD220 interferes with other parts.
Formed with central hump 310 on upper shell 300, central hump 310 is located at upper casing in the transverse direction of battery bag The centre position of body 300, Longitudinal extending of the central hump 310 along battery bag, 301 centrally disposed protrusion of MSD access holes 310 rear end.
Further, the opposite central protrusion 310 of MSD access holes 301 is sunk type incline structure, and MSD access holes 301 Posterior edges be higher than MSD access holes 301 forward edge, i.e., MSD access holes 301 towards front set.Thus, maintainer It will easily can be manually placed at MSD access holes 301, to be operated to MSD220.
Preferably, the angle between MSD access holes 301 and horizontal plane is 5 ° -45 °.It should be noted that above-mentioned MSD inspections The angular range repaiied between mouth 301 and horizontal plane includes 5 ° and 45 °.
In some embodiments of the invention, afterwale portion 320 is also formed with upper shell 300, central hump 310 Rear end is connected with afterwale portion 320, and MSD access holes 301 are adjacent to afterwale portion 320.Due to back seat without movable and Move up and down, therefore the downside of back seat is without adjusting means, therefore the space that back seat takes is less, upper shell 300 Upper formation afterwale portion 320 can make full use of the space that back seat saves.
The floor protrusion of the corresponding vehicle of central hump 310, the front-row seats of the corresponding vehicle of MSD access holes 301 are with after Arrange the position between seat.Thus, the passenger of back seat stretches out one's hand can and opens floor maintenance velar plate, then by MSD220 Expose and come and operate on it.
Further, the positional distance of MSD220 peak and floor access hole is 2cm-10cm.It should be noted that The scope of above-mentioned MSD220 peak and the positional distance of floor access hole includes 2cm and 10cm.
Thus, it will not both have been stretched into due to human hand after the access hole of floor and be not easy to operate away from too far away with MSD220, It will not interfere, influence with floor maintenance velar plate in Vehicular vibration because MSD220 is too near apart from floor access hole MSD220 life-span.
Preferably, MSD access holes are provided with around MSD access holes 301 and strengthen projection 330.Thus, significantly improve Intensity around MSD access holes 301, reduce the damaged probability 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, balanced power battery bag caused enclosure interior pressure under the conditions of different temperatures, Different Altitude becomes Change, ensure under different use conditions, electrokinetic cell bag internal pressure is in poised state all the time.
For high-tension electrokinetic cell, the sealing of electrokinetic cell bag directly influences the safe to use of electric automobile, The air-tightness for setting airtight detection hole to be easy to detect electrokinetic cell bag is needed from safety considerations, while housing combination vehicle closes Removing the work office, improves the utilization rate in space, and sets waterproof vent valve 360, makes electrokinetic cell bag internal pressure all the time in balance State, so as to ensure that electric automobile is safe to use.
The airtight detection hole of existing electrokinetic cell bag borrows the mounting hole of waterproof vent valve, sets detection when testing air-tightness The mounting hole connection of standby test connecting tube and waterproof vent valve is tested, and installs waterproof vent valve after detection again.By In the sealing property that can not detect waterproof vent valve, the water resistance of battery bag may be influenceed, is used so as to influence electric automobile Safety.
Therefore, as shown in figure 8, the present invention propose a kind of upper shell 300 for battery bag, set on upper shell 300 There are multiple waterproof vent valves 360, multiple waterproof vent valves 360 are located at the side of upper shell 300, are additionally provided with upper shell 300 Air-leakage test hole 302, sealing device is detachably provided with air-leakage test hole 302.
In other words, the air-leakage test hole for detecting housing air-tightness is specially provided with upper shell 300 of the invention 302, the air-leakage test hole 302 is different holes from the hole where waterproof vent valve 360.
When the air-tightness to housing detects, detection means directly can be connected to air-leakage test hole 302, from And the sealing property of waterproof vent valve 360 can be detected.After detection, sealing device can be sealed in air-tightness Detection hole 302.
In some embodiments of the invention, multiple waterproof vent valves 360 are into multiple rows of and more column distributions.Specifically, it is multiple Waterproof vent valve 360 is four and is distributed on four summits of rectangle.
The rear portion of upper shell 300 is provided with afterwale portion 320, and multiple waterproof vent valves 360 are arranged on afterwale portion 320 On side.
Sealing device includes airtight bolt and airtight nut, and the lower end of airtight bolt is passed down through air-leakage test hole 302, Airtight nut is located at the inside of lower house 400 and fastened with airtight bolt thread.
The first airtight rubber circle is provided between airtight bolt and air-leakage test hole 302, airtight nut is examined with air-tightness The second airtight rubber circle is provided between gaging hole 302.Thus, sealing device can preferably seal air-tightness detection hole 302, electricity The air-tightness of Chi Bao housing can be improved.
Airtight nut can vulcanize with the first airtight rubber circle to be fixed, and airtight nut can be directly anchored to air-leakage test The inner side of hole 302.
In some embodiments of the invention, the left front portion of upper shell 300 to lower recess to form left forefront depression 341, The right front portion of upper shell 300 to lower recess with formed right front portion depression 342.Left forefront depression 341 and right front portion depression 342 combine The rational deployment of vehicle, the utilization rate in space can be significantly improved.
Formed with preceding protrusion 350, central hump 310 and afterwale portion 320, central hump 310 on upper shell 300 It is located at the centre position of upper shell 300 in the transverse direction of battery bag, Longitudinal extending of the central hump 310 along battery bag is preceding grand Play portion 350 and distinguish the left side and right side of centrally located protrusion 310, and preceding protrusion 350 be also located at left forefront depression 341 with The rear side of right front portion depression 342, the rear end of central hump 310 are connected with afterwale portion 320, preceding protrusion 350 and afterwale Medial recess is formed between portion 320, medial recess distinguishes the left side and right side of centrally located protrusion 310.
It should be noted that on the centrally located protrusion 310 of MSD access holes 301, and during the both sides of MSD access holes 301 are Portion is recessed.
The front-row seats of the corresponding vehicle of preceding protrusion 350, the back seat of the corresponding vehicle in afterwale portion 320, central uplift The floor protrusion of the corresponding vehicle in portion 310, medial recess correspond to the position between the front-row seats of vehicle and back seat.
, can be according to the structure maximum of vehicle by protrusion before setting 350, afterwale portion 320 and central hump 310 Space in the housing of electrochemical cell bag, ensure that in housing more battery modules can be placed.
Increasingly serious with Energy situation, power module and power-supply system for fields such as electric automobiles are continually developed And improvement, it is contemplated that battery bag reliability and safety, the at present security requirement of batteries of electric automobile packet system and method for testing It is random vibration test to have one in pilot project, and this experiment proposes very high requirement to the intensity of battery bag, otherwise works as electricity Battery bag damage situations will be very serious when Chi Bao carries out Z, Y on a vibration table, X axis vibrates, or even the meeting under real working condition Harm is brought to safe driving.And because the requirement that battery bag module is installed in itself, battery bag lower house will also have very high Intensity, can undertake by vibration, collision belt come energy infringement, the phenomenon for avoiding battery bag general structure from failing.This Also higher requirement just is proposed to intensity of the lower house in whole battery bag.
The structural section of present battery bag lower house is often relatively simple, although this structure anufacturability is good, Battery bag bulk strength deficiency, in the experiments such as vibration, impact at lower house mount point and the easy stress concentration of module mounting hole Housing is caused to ftracture, so as to cause whole battery bag to fail.
For this, the present invention proposes a kind of lower house component for battery bag, and the lower house component includes lower house 400 With bottom plate 500.
Specifically, as shown in figs. 9-10, bottom plate 500 is fixed on the lower surface of the bottom wall of lower house 400, bottom plate 500 can improve the intensity of lower house 400, ensure 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 both ends of bottom plate crossbeam 520 are fixed with the longitudinal moulding in left and right two of subiculum plate framework 510 respectively.Multiple subiculums Plate crossbeam 520 opens distribution along the longitudinally spaced of battery bag.Thus, it is possible to improve the intensity of bottom plate 500, lower house is also improved The bulk strength of component, it is ensured that battery component can be firmly secured on lower house 400.
The both ends of bottom plate support beam 530 are fixed with the longitudinal moulding in left and right two of subiculum plate framework 510 respectively, bottom plate The neighbouring middle bottom plate crossbeam 520 of support beam 530 is set.Alternatively, bottom plate support beam 530 can be fixed on centre A bottom plate crossbeam 520 on.
Multiple bottom plate crossbeams 520 include the first bottom plate crossbeam 521, the second bottom plate for being spaced apart distribution from front to back The 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 invention, the distance between the first bottom plate crossbeam 521 and the second bottom plate crossbeam 522 For 455mm-495mm, the distance between the second bottom plate crossbeam 522 and the 3rd bottom plate crossbeam 523 are 515mm-555mm.Need It is noted that above-mentioned number range includes endpoint value.
The distance between preceding moulding of first bottom plate crossbeam 521 and subiculum plate framework 510 is more than the 3rd bottom plate crossbeam 523 the distance between with the rear moulding of subiculum plate framework 510.
In some embodiments of the invention, bottom plate crossbeam lightening hole 501 is provided with bottom plate crossbeam 520.Thus, On the premise of there can be sufficient intensity ensureing bottom plate crossbeam 520, the weight of bottom plate crossbeam 520 is reduced, and then at least The energy consumption of vehicle is reduced to a certain extent, improves the continuation of the journey of vehicle.
Lower house perisporium stiffening device is provided with the periphery wall of lower house 400, lower house perisporium stiffening device is annular And set around the periphery wall of lower house 400.Thus, the intensity of lower house 400 is further increased.
Lower house perisporium stiffening device includes preceding lining reinforcing plate 541, and preceding lining reinforcing plate 541 is fixed on the outer of lower house 400 On the front face of perisporium, flange beam 541b before left front flange beam 541a and the right side is provided with preceding lining reinforcing plate 541, and preceding lining adds Overlap joint beam 541c before being additionally provided with strong plate 541.
Lower house perisporium stiffening device further comprises left side internal reinforcing plates 542 and left side flange supporting plate 543, left side Internal reinforcing plates 542 are fixed on the left wall face of the periphery wall of lower house 400, and left side flange supporting plate 543 is fixed in left side The outside of portion's reinforcing plate 542.
Lower house perisporium stiffening device further comprises right side internal reinforcing plates 544 and right side flange supporting plate 545, right side Internal reinforcing plates 544 are fixed in the right wall of the periphery wall of lower house 400, and right side flange supporting plate 545 is fixed in right side The outside of portion's reinforcing plate 544.
Lower house perisporium stiffening device further comprises backsight reinforcing plate 546 and rear flange supporting plate 547, backsight reinforcing plate 546 are fixed on the rear surface of the periphery wall of lower house 400, after rear flange supporting plate 547 is fixed on backsight reinforcing plate 546 Side.
Preceding lining reinforcing plate 541, left side internal reinforcing plates 542, right side internal reinforcing plates 544 and backsight reinforcing plate 546 are solid Be scheduled on the perisporium of lower house 400, and it is preceding lining reinforcing plate 541, left side internal reinforcing plates 542, right side internal reinforcing plates 544 and after Reinforcing plate 546 is served as a contrast respectively between the perisporium of lower house 400 formed with energy-absorbing cavity, and then the strong of lower house component can be improved Degree, and when lower house component collides can apparatus with shock absorbing, reduce lower house component in battery damage.
In some embodiments of the invention, lower house perisporium stiffening device further comprises lower house gusset 548, lower casing Body gusset 548 is separately positioned at four angles of lower house 400, and the lower house gusset 548 of front left side is strengthened with preceding lining respectively The left end of plate 541 is connected with the front end of left side flange supporting plate 543, and the lower house gusset 548 of forward right side is strengthened with preceding lining respectively The right-hand member of plate 541 is connected with the front end of right side flange supporting plate 545, the lower house gusset 548 of left rear side respectively with rear flange branch The left end of fagging 547 is connected with the rear end of left side flange supporting plate 543, the lower house gusset 548 of right lateral side respectively with rear flange The right-hand member of supporting plate 547 is connected with the rear end of right side flange supporting plate 545, and wherein lower house gusset 548 is arc gusset.
Lower house gusset 548 can be by preceding lining reinforcing plate 541, left side flange supporting plate 543, right side flange supporting plate 545 Linked together with rear flange supporting plate 547.And then the intensity of lower house component is further increased, ensure that battery component is steady Surely it is fixedly mounted on lower house component.
The lower house component of the embodiment of the present invention is by the way that each parts are welded together, it is possible to increase lower house component Intensity, ensure that battery component can be stably installed on lower house component.
Existing battery modules arrangement form is mostly to tile, and individual layer battery modules are fixed in lower house by installation bolt Portion, the size of the battery modules of tile form are mainly limited by vehicle X and Y-direction size, so battery modules arrangement Quantity can also be limited by vehicle X and Y-direction size, can not utilize the space of Z-direction, it is impossible to be maximumlly empty using cloth Between.In addition, such as carrying out the upgrading of long continual mileage on the basis of the battery modules of tile form, realize that difficulty will significantly Lifting.If using rebuilding form, Z-direction space rationally is utilized, is beneficial to the upgrading of product energy.
For this, the present invention proposes a kind of double-deck module bracket component 600 for battery bag, under the battery modules include Layer module fore-stock 610, lower floor's module left socle 620, lower floor's module right support 630 and central dividing plate 640.
Wherein, as depicted in figs. 11-12, lower floor's module fore-stock 610 is suitable to be fixed on the lower house of battery bag, lower floor's mould Group left socle 620 and lower floor's module right support 630 are suitable to be fixed on lower house, before lower floor's die holder left socle is located at lower floor's module The left side of support 610, lower floor's die holder right support are located at the right side of lower floor's module fore-stock 610.
Lower floor's module left socle 620 and lower floor's module right support 630 can be fixed with lower floor module fore-stock 610 respectively, As long as it can certainly be fixed with lower house.
Central dividing plate 640 includes central dividing plate body 641 and rear fixing leg 642, and rear fixing leg 642 is suitable to be fixed on On lower house 400, lower floor's module fore-stock 610, lower floor's module left socle 620, lower floor's module right support 630 and central dividing plate 640 limit lower floor's battery installing space for installing lower floor's battery modules jointly, and central dividing plate body 641 is used to install Layer battery modules 731.
Double-deck module bracket component 600 for battery bag according to embodiments of the present invention, two layers of electricity of installation can be supported Pond module, one layer of battery modules may be mounted on the lower house 400 of battery container, during another layer of battery modules may be mounted at On space bar 640.
Thus, it is possible to significantly improve the space availability ratio of battery bag, it is ensured that can be accommodated in the housing of same battery bag Greater number of battery modules.The double-deck module bracket component 600 of the embodiment of the present invention can be arranged on back seat lowerly The lower section of plate, because the space that back seat takes in the height direction is little, therefore the housing of battery bag can be configured to Low early and high after form, the double-deck module bracket component 600 of the embodiment of the present invention may be provided at the higher of the housing of battery bag In part.
Lower floor's module fore-stock 610 includes lower floor's module fore-stock body 611 and preceding fixed feet 612, is propped up before lower floor's module Frame body 611 is fixed on lower house 400 by preceding fixing leg 612.Alternatively, preceding fixed feet 612 can be tight by screw thread Firmware is fixed on lower house 400.
Specifically, preceding fixing leg is Open Side Down " u "-shaped, and the lower open end of the preceding fixing leg 612 of " u "-shaped is set respectively Lower floor's module fore-stock body 611 is fixed on lower house by fixing leg flanging 612a, preceding fixing leg flanging 612a before being equipped with On 400.Alternatively, preceding fixing leg flanging 612a can be fixed on lower house 400 by threaded fastener.
Further, the lower edge of lower floor's module fore-stock body 611 is provided with the fore-stock body extended forward Flanging 611a, preceding fixing leg flanging 612a, fore-stock body lower hem 611a and lower house 400 pass through the first double-deck module spiral shell Bolt fastens.
Preceding fixing leg flanging 612a and fore-stock body lower hem 611a is spaced apart in the vertical direction, fore-stock body Lower hem 611a can be with the roof of the preceding fixing leg of " u "-shaped at grade.
The forward edge of central dividing plate body 641 is provided with central dividing plate body flanging 641a, central dividing plate body flanging The roof of the preceding fixing leg 612 of 641a and " u "-shaped is fixed.Alternatively, central dividing plate body flanging 641a can be with preceding fixation The roof of leg 612 is fixed together by threaded fastener.
The top edge of lower floor's module fore-stock body 611 is provided with the fore-stock body upper hem 611b extended forward, in Space bar body flanging 641a, fore-stock body upper hem 611b, the roof of preceding fixing leg 612 of " u "-shaped pass through second pair The bolt fastening of layer module, and central dividing plate body flanging 641a is supported on fore-stock body upper hem 611b.
In some embodiments of the invention, the front end of lower floor's module left socle 620 and a left side for lower floor's module fore-stock 610 End adjoining, the front end of lower floor's module right support 630 abut with the right-hand member of lower floor's module fore-stock 610, lower floor's module left socle 620 Also support the left side edge and right side edge of central dividing plate body 641 respectively with lower floor die holder right support, and lower floor's module is left The left side edge and right side edge of support 620 and lower floor's module right support 630 also respectively with central dividing plate body 641 are fixed.
Lower floor's module right support 630, downside module left socle 620, lower floor's module fore-stock 610 and central dividing plate body 641 limit 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, one layer of battery modules may be mounted at the top of central dividing plate body 641 in addition.
Multiple loss of weight heat emission holes 601 are provided with central dividing plate body 641, the periphery of loss of weight heat emission hole 601, which is provided with, to be subtracted Radiate hole flanging again.Thus, heat caused by battery modules can be scattered and disappeared rapidly by loss of weight heat emission hole 601, avoid battery mould The operating temperature of group is too high, while in the case where ensureing the intensity of central dividing plate 640, can reduce the weight of central dividing plate 640, and then The energy consumption of vehicle is at least reduced to a certain extent.
In addition, the periphery of loss of weight heat emission hole 601 sets loss of weight radiating hole flanging, the strong of loss of weight heat emission hole 601 can be improved Degree, reduce the probability of failure of loss of weight heat emission hole 601.
Loss of weight heat emission hole 601 is rectangular and has flange, the corresponding rectangular boss of each loss of weight heat emission hole 601, each convex The corresponding battery modules of platform, multiple boss are in setting arranged in parallel etc..
In some embodiments of the invention, the width between two side walls of the preceding fixing leg 612 of " u "-shaped is from upper It is in incremental trend in downwardly direction.
Central dividing plate body 641 and rear fixing leg 642 are connected turnablely, thus the battery modules in lower floor occur therefore During barrier, central dividing plate 640 can be easily opened to be overhauled to 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 getting worse, new-energy automobile are especially electronic increasingly by social concerns Automobile.Traditional vehicle enterprise typically does appropriate change in traditional vehicle, increases new energy to accelerate new-energy automobile exploitation schedule Parts are driven to realize that new energy power vehicle is developed.
Electrokinetic cell bag has the function that to store and export electric energy as " fuel tank " of new energy electric drive parts.And move Power battery bag is mainly what is be made up of hundreds of or even thousands of individual battery cells series and parallel, if battery core is carried out one by one Assembling will extremely influence production efficiency, therefore typically cell will be formed into a module with certain amount certain way, be 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 below automotive occupant orlop plate.Because body structure with It is general not do larger adjustment, therefore battery needs to coordinate body structure to be arranged.It is limited that this results in battery bag free space, and The arrangement of battery modules inside electrokinetic cell bag directly affects the space availability ratio of whole battery bag.
The arrangement of battery modules inside electrokinetic cell bag directly affects the space availability ratio of electrokinetic cell bag.If battery Module arrangement is unreasonable, and the electricity for meeting vehicle demand is will be unable in limited space, causes vehicle performance low.Meanwhile electricity The arrangement of battery modules in the bag of pond directly affects the arrangement of wire harness and cable in battery bag, and irrational arrangement will cause wire harness And cable arrangements are chaotic, influence whole bag reliability.The arrangement of module also directly affects efficiency of assembling and whole bag position of centre of gravity.Cause Power battery of pure electric automobile bag is typically heavier, then directly affects complete vehicle quality distribution.
For this invention provides a kind of battery module device 700 for battery bag, the battery module device 700, which divides, is Preceding battery modules component 710, middle battery modules 720 and multi-layer cell die set 730.
Wherein, as shown in figures 13-16, preceding battery modules component 710 divides for battery before battery modules before left side 711 and right side Module 712, battery modules 712 are relative in the transverse direction of battery bag and electric before left side before battery modules 711 and right side before left side Pond module 711 is spaced apart with battery modules before right side 712.
The heel row of battery modules component 710, multi-layer cell die set 730 are arranged on before middle battery modules 720 are arranged on The rear of middle battery modules 720, multi-layer cell die set 730 have the battery modules of multiple superposed.
The back seat of vehicle need not do excessive adjustment, therefore the height of back seat is relatively low, and then in battery bag The height of the position of corresponding back seat is higher, i.e. the rear humps of battery bag are to form afterwale portion 320, afterwale portion 320 It is interior to place multi-layer cell die set.
The battery module device 700 of the embodiment of the present invention, the inner space of the housing of battery bag can be made full use of, improved Space availability ratio, radiated when having between battery modules gap favorably with work.
Multi-layer cell die set 730 includes stacked up and down upper strata battery modules 731 and lower floor's battery modules 732, 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 it is located at lower floor's module right support 630, lower floor's module left socle 620, lower floor's module fore-stock 610 and central dividing plate body 641 Limit in lower floor's battery modules dress space.
Further, upper strata battery modules 731 and the consistency from top to bottom of lower floor's battery modules 732, upper strata battery modules 731 are with Longitudinal centre line of each layer on battery bag in layer battery modules 732 is symmetrical.Thus, have to be distributed using complete vehicle quality and control System, improve the riding stability of vehicle.
Middle battery modules 720 are located at the centre position of battery bag in the transverse direction of battery bag, thus further increase electricity Chi Bao symmetry, ensure being evenly distributed for battery bag total quality.
Battery modules 711 are symmetrical on the longitudinal centre line of battery bag with battery modules before right side 712 before left side, thus keep away The quality for exempting from battery bag or so is inconsistent and crooked phenomenon occurs.
The length direction of each battery modules in preceding battery modules component 710 is parallel to the transverse direction of battery bag, middle electricity The length direction of pond module 720 parallel to battery bag longitudinal direction, each battery modules in multi-layer cell bag die set Longitudinal direction of the length direction parallel to battery bag.
In other words, left and right directions extension of each battery modules in preceding battery modules component 710 along vehicle, middle battery Fore-and-aft direction extension of the module 720 along vehicle, each battery modules in multi-layer cell die set 730 are along before 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, battery modules 711 include juxtaposed 17th battery modules 711q, the tenth from front to back before left side Six battery modules 711p and the 15th battery modules 711o.
Middle battery modules 720 are the 14th battery modules 721n, and lower floor's battery modules 732 include juxtaposed from left to right the 12 battery modules 732l, the 13rd battery modules 732m, the 4th battery modules 732d, the electricity of the 5th battery modules 732e and the 6th Pond module 732f.
Upper strata battery modules 731 include from left to right juxtaposed 11st battery modules 731k, the tenth battery modules 731j, 9th battery modules 731i, the 8th battery modules 731h and the 7th battery modules 731g.Wherein, the first battery modules 712a and 17 battery modules 711q are sequentially connected in series.There is positive terminal, the 17th battery modules 711q on 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 has the first detection plate 861 to carry out battery mould Group parameter measurement, the tenth battery modules 731j to the 17th battery modules 711q carry out battery modules ginseng by the second detection plate 862 Number measurement.
In some embodiments of the invention, battery modules 712 include juxtaposed first battery mould from front to back before right side 712a, the second battery modules 712b and the 3rd battery modules 712c are organized, battery modules 711 are including juxtaposed from front to back before left side 17th battery modules 711q, the 16th battery modules 711p and the 15th battery modules 711o.
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, the battery modules 731i of the tenth battery modules 731j the 9th and the 8th battery modules 731h, wherein the first battery modules 712a It is connected in series to the 17th battery modules 711q.
First battery modules 712a to the 3rd battery modules 712c and the 5th battery modules 732e to the tenth battery modules 731j carries out battery modules parameter measurement by the first detection plate 861, and remaining battery modules carry out battery by the second detection plate 862 Module parameter measurement.
Gap before left side before battery modules 711 and right side between battery modules 712 is 60mm-80mm, middle battery modules The distance of 720 front end and the rear end of preceding battery modules component 710 is 40mm-60mm, the rear end of middle battery modules 720 and bilayer 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 advantageous to The radiating of group, it is ensured that battery modules are in suitable operating temperature.It should be noted that above-mentioned number range includes end points Value.
Each battery modules include multiple single battery cores, and the battery modules of the embodiment of the present invention are divided into two classes, are ten respectively The big module and ten pieces of single battery cores two of two pieces of single battery cores two and six string compositions and the small module of five string compositions, single battery core list Body rated voltage 3.65V, nominal capacity 40Ah, big module monomer rated voltage 21.9V, nominal capacity 80Ah, small module monomer Rated voltage 18.25V, nominal capacity 80Ah.
In some embodiments of the invention, each battery modules in preceding battery modules component 710 are big module, Each battery modules in middle battery modules 720 and multi-layer cell die set 730 are small module.
The corresponding afterwale portion 320 of multi-layer cell die set 730 of the embodiment of the present invention and back seat, back seat account for Height space is smaller, therefore the rear portion of battery pack housing could be arranged to afterwale portion 320, multi-layer cell die set 730 can be arranged in afterwale portion 320.
Main energy storage device of the electrokinetic cell system as new-energy automobile, is the critical component of new-energy automobile, battery Pack arrangement intensity decides the security performance of battery system, or even has influence on the safety enforcement of vehicle, the intensity of its internal stent Battery bag overall construction intensity is directly affected, on the premise of cost and technique, structural strength is considered, satisfaction is designed and requires Fixed support, battery pack structure intensity requirement can be met, and can saves the resources such as cost.
Battery lower house component according to embodiments of the present invention can include lower house 400, preceding battery modules bottom plate 713, Middle battery modules bottom plate 722 and detection plate bottom plate 740.
Wherein, as shown in figure 17, on the upper surface for the bottom wall that preceding battery modules bottom plate 713 is fixed on lower house 400, and it is preceding Battery modules bottom plate 713 is used for battery modules component 710 before installing.
On the upper surface for the bottom wall that middle battery modules bottom plate 722 is fixed on lower house 400, and middle battery modules bottom plate 722 For battery modules in installation 720.
Detection plate bottom plate 740 is fixed on the upper surface of the bottom wall of lower house 400, and detection plate bottom plate 740 is used to install Detection plate (including：First detection plate 861 and the second detection plate 862).
Battery bag lower house component according to embodiments of the present invention, pass through battery modules bottom before being set on lower house 400 Plate 713, middle battery modules bottom plate 722 and detection plate bottom plate 740 so that preceding battery modules component 710, middle battery modules 720 with And detection plate installation is more stable.
In some embodiments of the invention, battery bag lower house component can also include preceding tubular reinforcements 751 with after Tubular reinforcements 752, preceding tubular reinforcements 751 be arranged in parallel with rear tubular reinforcements 752 and are spaced on the longitudinal direction of battery bag Open, each in preceding tubular reinforcements 751 and rear tubular reinforcements 752 is fixed on lower casing by tubular reinforcements fixed support In body 400.Thus, the structural strength of battery bag lower house 400 is further increased, ensures that battery bag lower house 400 can be more Add and firmly carry battery component.
Wherein, preceding battery modules bottom plate 713 is between preceding tubular reinforcements 751 and rear tubular reinforcements 752.It is preferred that Ground, preceding tubular reinforcements 751 and rear tubular reinforcements 752 can be fixedly connected with preceding battery modules bottom plate 713.And then further The structural strength of battery modules bottom plate 713 before improving, battery modules component 710 is more stably installed at preceding battery before guarantee On module bottom plate 713.
Battery bag lower house component according to embodiments of the present invention also includes longitudinal connecting member 760, and longitudinal connecting member 760 is solid It is scheduled on the upper surface of the bottom wall of lower house 400, longitudinal connecting member 760 is strengthened with preceding tubular reinforcements 751 and rear tubulose respectively Part 752 is connected.Alternatively, longitudinal connecting member 760 can be fixed with preceding battery modules bottom plate 713.
Preceding battery modules bottom plate 713 includes left front battery modules bottom plate 713a and battery modules bottom plate 713b before the right side, left front Battery modules bottom plate 713a is separately positioned on the left side and right side of longitudinal connecting member 760 with battery modules bottom plate 713b before the right side.It is left Preceding battery modules bottom plate 713a and it is right before battery modules bottom plate 713b can be welded and fixed or be spirally connected with longitudinal connecting member 760 respectively It is fixed.
The front-end and back-end of longitudinal connecting member 760 are shorter than the center section between being connected to front and rear end, left front battery Module bottom plate 713a right side edge is fixed on the higher center section of longitudinal connecting member 760, battery modules bottom plate before the right side 713b left side edge is fixed on the higher center section of longitudinal connecting member 760, and left front battery modules bottom plate 713a Right side edge with it is right before battery modules bottom plate 713b left side edge be spaced apart in the transverse direction of battery modules.
Tubular reinforcements fixed support includes preceding tubular reinforcements fixed support 753 and rear tubular reinforcements fixed support 754, size of the rear tubular reinforcements fixed support 754 in the transverse direction of battery bag is more than preceding tubular reinforcements fixed support 753 Size in the horizontal.
Further, left front battery modules bottom plate 713a and it is right before in battery modules bottom plate 713b each and front tube Shape reinforcer fixed support 753, rear tubular reinforcements fixed support 754 are fixed.Thus, left front battery modules bottom plate 713a and the right side Preceding battery modules bottom plate 713b structure is more stable, and preceding battery modules component 710 can more be stably installed at left front electricity On pond module bottom plate 713a and battery modules bottom plate 713b before the right side.
The front end of middle battery modules bottom plate 722 respectively with two of left side and right side after tubular reinforcements fixed support 754 It is fixed, middle battery modules bottom plate 722 is located at the centre position of lower house 400 in the transverse direction of battery bag.
Further, battery bag lower house component also includes rear web beam 770, and rear web beam 770 is fixed on lower casing On the upper surface of the bottom wall of body 400, the rear end of rear web beam 770 and middle battery modules bottom plate 722 is fixed.
Detection plate bottom plate 740 is located at the left side and right side of middle battery modules bottom plate 722 respectively, that is to say, that detection plate bottom plate 740 be two, respectively positioned at the left side and right side of middle battery modules bottom plate 722.
MSD supports 210 are additionally provided with middle battery modules bottom plate 722, and on the upper surface of the bottom wall of lower house 400 also BDU supports are provided with, BDU supports are located at the front side of preceding tubular reinforcements 751.
Multiple bottom plates and support are provided with the lower house 400 of the embodiment of the present invention, and then lower house can be significantly improved 400 structural strength, so as to improve battery bag overall structural strength and rigidity.
Battery modules of the prior art are mainly heated by heating film, fluid heating and high-frequency alternating current electrical heating etc. The heating of mode, wherein heating film is progressively applied to the new energy car battery bag design of each vehicle factor above, in these applications In, most between heating film and module surface to be adhesively fixed using double faced adhesive tape, this fixed form requires the surface that is stuck Smooth, cleaning, and long-term in complex environment in use, double faced adhesive tape easily comes off causes that heating properties decline or even heating is lost Effect, therefore how heating film effectively to be fixed into battery surface is to need the technology solved to ask in electrokinetic cell heating technique Topic.
Therefore, the present invention proposes a kind of battery modules for battery bag, the embodiment of the present invention is described more fully below Battery modules.
As shown in figs. 18-21, battery modules according to embodiments of the present invention can include module bracket 781, electric heating sheets 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 fix or on preceding battery modules bottom plate 713 and middle battery modules bottom plate 722.
Electric heating sheets 782 are arranged in module bracket 781, and are provided between electric heating sheets 782 and module bracket 781 Module flexible structure 784；Battery body 783 is arranged on electric heating sheets 782.
Electric heating sheets 782 can heat to battery body 783, ensure 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 the environment in the external world.
In some embodiments of the invention, module flexible structure 784 is sheet and is folded in electric heating sheets 782 and module Between support 781.Module flexible structure 784 can keep apart electric heating sheets 782 and module bracket 781, avoid module flexible When structure 784 is partially or fully come unglued, module flexible structure 784 is directly contacted and caused danger with module bracket 781.
In addition, electric heating sheets 782 and module bracket 781 can be ensured by compressing caused power by module flexible structure 784 Effectively fitting, prevents module flexible structure 784 from coming off, and increases heating effect.
In some embodiments of the invention, module flexible structure 784 is identical with the shape of electric heating sheets 782.
In the other embodiment of the present invention, module flexible structure 784 is flexible strip and is multiple.
Specifically, module flexible structure 784 includes front end flexible strip 784a, rear end flexible strip 784b, left end flexible strip 784c and right-hand member flexible strip 784d, front end flexible strip 784a are arranged on the front end of electric heating sheets 782, and rear end flexible strip 784b is set In the rear end of electric heating sheets 782, left end flexible strip 784c is arranged on the left end of electric heating sheets 782, and right-hand member flexible strip 784d is set In the right-hand member of electric heating sheets 782.
Further, each two end faces in front end flexible strip 784a and rear end flexible strip 784b add with electricity respectively Two longitudinal sides of backing 782 are concordant, left end flexible strip 784c and the setting of right-hand member flexible strip 784d faces and each distance Front end flexible strip 784a and rear end flexible strip 784b distance are equal.
In yet another embodiment of the present invention, length direction of multiple flexible strips along battery modules is spaced apart distribution.
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 the embodiment of the present invention, by setting a whole mould between module bracket 781 and electric heating sheets 782 Group flexible structure 784 or multiple flexible strips, even if local shedding occurs for module flexible structure 784 or multiple flexible strips, also may be used To avoid electric heating sheets 782 from directly being contacted with module bracket 781, and then avoid the generation of danger.
It should be noted that flexible strip can be fixed between electric heating sheets 782 and module bracket 781 by double faced adhesive tape, Certain flexible strip can also be fixed between electric heating sheets 782 and module bracket 781 by other means.
In some embodiments of the invention, module flexible structure 784 is foam.Preferably, flexible structure is high temperature resistant Foam.
The tubulose reinforcement structure for battery bag of the embodiment of the present invention is described below in detail.
As shown in figure 17, tubulose reinforcement structure according to embodiments of the present invention can include tubular reinforcements and tubulose is strengthened Part fixed support.
Wherein, tubular reinforcements extending laterally along battery bag, tubular reinforcements are hollow pipe beam texture, and tubulose adds Strong part fixed support is fixed on the left end and right-hand member of tubular reinforcements, the tubular reinforcements fixed support lower casing with battery bag respectively The inner surface of the upper surface of the bottom wall of body 400 and the side wall of lower house 400 is fixedly connected.
Thus, it is possible to significantly improve the structural strength of lower house 400, the mounting stability of battery modules is improved.
Tubulose stiffening device for battery bag according to embodiments of the present invention, including tubular reinforcements and tubular reinforcements Fixed support, tubular reinforcements and tubular reinforcements fixed support can significantly improve the stability of battery modules installation.
In some embodiments of the invention, tubular reinforcements extend to the side-walls in the left side of lower house 400 to the left, pipe The right-hand member of shape reinforcer extends right up to the side-walls on the right side of lower house 400.
Tubular reinforcements have a square-section, square-section can easily with the upper surface of the bottom wall of lower house 400 and The inner surface of the side wall of lower house 400 is fixedly connected.
Tubular reinforcements include preceding tubular reinforcements 751 and rear tubular reinforcements 752, preceding tubular reinforcements 751 and rear pipe Shape reinforcement be arranged in parallel and opened in the longitudinally spaced of battery bag.
Tubulose stiffening device also includes longitudinal connecting member 760, and longitudinal connecting member 760 is fixed on the bottom wall of lower house 400 On upper surface, longitudinal connecting member 760 is connected with preceding tubular reinforcements 751 and rear tubular reinforcements 752 respectively.Alternatively, longitudinal direction Connector 760, which can weld or be spirally connected, to be fixed on the bottom wall of lower house 400.
The front end of longitudinal connecting member 760 and the centre position of preceding tubular reinforcements 751 are fixed, after longitudinal connecting member 760 The centre position with rear tubular reinforcements 752 is held to fix.
Tubular reinforcements fixed support includes preceding tubular reinforcements fixed support 753 and rear tubular reinforcements fixed support 754, size of the rear tubular reinforcements fixed support 754 in the transverse direction of battery bag is more than preceding tubular reinforcements fixed support 753 Size in the horizontal.
Further, after the quantity of preceding tubular reinforcements 751 and the fixed bit of preceding tubular reinforcements fixed support 753 is less than The quantity of tubular reinforcements 752 and the fixed bit of rear tubular reinforcements fixed support 754.
In the specific example of the present invention, the fixing point of preceding tubular reinforcements 751 and preceding tubular reinforcements fixed support 753 For 5, the fixing point of rear tubular reinforcements 752 and rear tubular reinforcements fixed support 754 is 7.
When vehicle is impacted, square preceding tubular reinforcements 751 and rear tubular reinforcements 752 can effectively absorb punching Energy is hit, to be protected to battery modules.
Preferably, tubular reinforcements lightening hole is provided with tubular reinforcements.And then the strong of self-strength can ensured The lower weight for reducing tubular reinforcements of degree, reduce the energy consumption of vehicle.
Fixed in addition, tubular reinforcements lightening hole is formed for tubular reinforcements wire harness/copper bar of fixed beam/copper bar Hole.In other words, tubular reinforcements lightening hole can also be to for fixed beam/copper bar.
The tubulose stiffening device of the embodiment of the present invention can effectively improve the integral rigidity and intensity of battery bag, to battery mould Group can carry out omnibearing protection, while wire harness and copper bar inside and can self-contained battery bag.
In the prior art, the low voltage wiring harness inside electrokinetic cell bag, heating film wire harness are more, to avoid in driving conditions In, wire harness abrasion or fracture, cause electrokinetic cell bag internal security problem, can be fixed wire harness by fixing device, ensured Security.
Therefore, the present invention proposes a kind of line protecting box 820 for battery bag, the line protecting box 820 of the embodiment of the present invention can With including line protecting box body 821 and lid 822.
Wherein, as illustrated in figs. 22-25, Longitudinal extending of the line protecting box body 821 along battery bag, line protecting box body 821 are indulged To both ends and open top, wire harness escape groove 801 is provided with the left side wall and right side wall of line protecting box body 821；Lid 822 The top of line protecting box body 821 is arranged on, lid 822 connects and fixes with line protecting box body 821.
Line protecting box body 821 and lid 822 can effective protection wire, effectively reduce wire harness abrasion and fracture it is general 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 invention, wire harness escape groove 801 is "u"-shaped groove, and the opening of "u"-shaped groove upper end is arranged on On the upper surface of the side wall of line protecting box body 821.
Line protecting box wire harness clip button hole 802 is additionally provided with the left side wall and right side wall of line protecting box body 821, wire harness can be worn Cross line protecting box block button hole 802 and be connected with battery modules.
The left side edge and right side edge of lid 822 are respectively arranged with box cover buckling 822a, the left side of line protecting box body 821 Line protecting box hole clipping 803 is respectively arranged with wall and right side wall, box cover buckling 822a is connected in line protecting box hole clipping 803, and then will Lid 822 is fixed together with line protecting box body 821.
The left side edge and right side edge of lid 822 are respectively arranged with lid spacing preiection 822b, and the lid in left side is spacing Raised 822b is bonded 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 fitting of the right side wall of body 821.
Thus, the bonding strength of lid 822 and line protecting box body 821 is further increased, the installation of lid 822 is stablized, no Easily come off, the mounting stability of wire harness has been effectively ensured.
Further, lid spacing preiection 822b point is multigroup to have three lid spacing preiection 822b in each group, each Length in group positioned at two lid spacing preiection 822b at both ends is less than the length positioned at middle lid spacing preiection 822b.
In some embodiments of the invention, the left side wall of line protecting box body 821 and the internal face of right side wall are additionally provided with The line protecting box reinforcement 821a extended vertically, line protecting box reinforcement 821a extend downward into the upper of the bottom wall of line protecting box body 821 On surface.
Thus, it is possible to improve the structural strength of line protecting box body 821, ensure that line protecting box body 821 can be protected preferably Wire harness.
In some embodiments of the invention, lid 822 includes more sub- lid 822c, adjacent two sub- lid 822c Between be provided with the thinning sub- lid connecting portion of thickness so that two adjacent sub- lid 822c can relative bending.Thus, it is possible to Easily by sub- lid 822c open, certain part of wire harness be damaged need change when, can be by the part of lid 822 Opening is overhauled or replaced with the wire harness to damage.
Line protecting box fixing hole 804 is provided with the bottom wall of line protecting box body 821, line protecting box fixing hole 804, which goes out, is embedded with shield The metal ferrules of line box 820.Internal thread can be provided with metal ferrules, line protecting box body 821 can pass through metal ferrules screw thread It is fixed on lower house 400.
Specifically, the front-end and back-end of longitudinal connecting member 760 are shorter than the center section between being connected to front 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 added with glass, and lid 822 is to be provided with box on working of plastics and lid 822 Lid lightening hole 805.Specifically, line protecting box body 821 can be PBT-GF30 mouldings, and lid 822 can be PA66 parts.
The line protecting box 820 for battery bag of the embodiment of the present invention, can cause heating film wire harness inside battery bag and The integrated arrangement of low voltage wiring harness is neat, and fixation is more firm, avoids safety problem caused by wire harness abrasion or fracture.
Most battery cutout unit (BDU) housings in correlation technique use upper-lower casing interface arrangment, due to clamping knot Structure does not have bolt fastening structure intensity high, and housing is yielding after assembling；The fixed electricity of battery cutout unit (BDU) lower house installation Device is more, and fixed installation and rat tail have corresponding status requirement, electrical part position easily be present and direction installation is wrong By mistake；Lower casing body thickness a larger increase weight of housing simultaneously.
Therefore, the present invention proposes a kind of BDU810 for vehicle, be described below in detail being used for for the embodiment of the present invention The BDU810 of vehicle.
As shown in figs. 26-27, the BDU810 for vehicle being used for according to the present invention can include BDU housings 811, main positive relay 812 bear relay 813, preliminary filling relay 814 and preliminary filling resistance 815, heating relay 816 and heating fuse 817 with main.
Wherein, BDU housings 811 include BDU bottom plates 811a and the BDU upper casings 811b being arranged on BDU bottom plates 811.On BDU Card wire structure is provided with shell 811b top surfaces, wire harness can be fastened on the card wire structure.Alternatively, the card wire structure is card line Groove.
Main positive relay 812 and main negative relay 813 are arranged in BDU housings 811, preliminary filling relay 814 and precharge Resistance 815 is arranged in BDU housings 811 and relay 812 positive with master is arranged in parallel；Heat relay 816 and heating fuse 817 It is arranged in BDU housings 811.
Main positive relay 812 and main negative relay 813 are fixed on BDU bottom plates 811a centre position, preliminary filling relay 814th, heat relay 816, heating fuse 817 is fixed on BDU bottom plates 811a on and positioned at main positive relay 812, it is main bear after The side of electrical equipment 813, preliminary filling resistance 815 are fixed on BDU bottom plates 811a and positioned at main positive relay 812, main negative relays 813 Opposite side.
BDU810 for vehicle also includes current divider 818, and current divider 818 is fixed on BDU bottom plates 811a, and is shunted Device 818 is adjacent with before and after preliminary filling resistance 815.
Further, preliminary filling relay 814, heating relay 816, heating fuse 817, main positive relay 812, master are negative Relay 813 and current divider 818 are arranged in a row.
Current divider coaming plate 818a is additionally provided with BDU bottom plates 811, current divider 818 is built in current divider coaming plate 818a, by This current divider 818 can be more fixedly mounted on BDU bottom plates 811a.
One is additionally provided with BDU bottom plates 811a and aligns clamping plate 812a and a pair of auxiliary splint 813a, main positive relay 812 is set Between one aligns clamping plate 812a, main negative relay 813 is arranged between a pair of auxiliary splint 813a.Thus, main positive relay 812 Can more it be fixedly mounted on BDU bottom plates 811a with main negative relay 813.
Also set up on BDU bottom plates 811a and the main positive anti-misloading portion of relay and the main negative anti-misloading portion of relay.Thus, it is possible to Avoid leading positive relay 812 and main negative relay 813 is wrongly installed, significantly improve BDU810 installation effectiveness.
Also set up on BDU bottom plates 811a and be arranged on a pair of heating plate 816a with a pair of heating plate 816a, heating relay 816 Between, also set up on BDU bottom plates 811a with fuse coaming plate 817a, heating fuse 817 be arranged on fuse coaming plate 817a it Between, preliminary filling relay 814 is arranged between fuse coaming plate 817a and adjacent heating plate 816a.
The anti-misloading portion of preliminary filling relay is provided with BDU bottom plates 811a, heats and heating relay mistake proofing is provided with clamping plate Dress portion.Thus, it is possible to avoid preliminary filling relay 814 and heating relay 816 that misloading occurs, BDU810 installation effect is greatly improved Rate and accuracy rate.
BDU reinforcements 811c, BDU reinforcement 811c is provided with BDU bottom plates 811a to set adjacent to BDU bottom plates 811a edge Put, and BDU reinforcements 811c development length is at least over the half of BDU bottom plate 811a outward flanges girth.Thus, further The structural strength of BDU bottom plates 811 is improved, ensures BDU810 structural soundness, the electrical part inside BDU810 is in more Stable and safety working environment.
The BDU810 of the embodiment of the present invention includes BDU bottom plate 811a and BDU upper casing 811b, BDU bottom plate 811a and BDU upper casings 811b, which coordinates, has higher sealing and non-deformability；Electrical part on BDU bottom plates 811a has error-disable function, avoids phase With electrical part position setup error and same electrical part direction setup error；BDU bottom plates 811a sets BDU reinforcements 811c can be with Increase shell structure intensity.Electrical part integrated form is fixedly mounted in the battery cutout unit (BDU810) of the embodiment of the present invention, has Effect utilizes electrokinetic cell bag space, protects the functional safety of electrical part.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office What combined in an appropriate manner in one or more embodiments or example.In addition, those skilled in the art can say this Different embodiments or example described in bright book are engaged and combined.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changed, replacing and modification.

Claims (15)

  1. A kind of 1. battery bag, it is characterised in that including：
    Housing, the housing include lower house and upper shell；
    Battery module device, the battery module device are arranged in the housing, and the battery module device includes multiple layers Battery modules component, the multiple battery modules component have the battery modules of multiple superposed；
    BDU, the BDU are arranged in the housing and positioned at the front side of the battery module device；
    MSD, the MSD are arranged in the housing, and the upper shell is passed at the top of the MSD；
    Control panel, the control panel are arranged in the housing and are connected with the battery module device.
  2. 2. battery bag according to claim 1, it is characterised in that also include：Tubular reinforcements, the tubular reinforcements edge The battery bag extends laterally, and the tubular reinforcements are hollow pipe beam texture, and the tubular reinforcements pass through tubulose Reinforcer fixed support is fixed in the lower house.
  3. 3. battery bag according to claim 1, it is characterised in that also include：Bottom plate, the bottom plate are fixed on described On the lower surface of the bottom wall of lower house, the bottom plate includes：
    Subiculum plate frame body；
    Multiple bottom plate crossbeams, the both ends of the bottom plate crossbeam longitudinal moulding in left and right two with the subiculum plate frame body respectively Fixed, the multiple bottom plate crossbeam opens distribution along the longitudinally spaced of the battery bag；
    Bottom plate support beam, the both ends of the bottom plate support beam longitudinal moulding in left and right two with the subiculum plate frame body respectively Fixed, the bottom plate support beam is neighbouring to be set positioned at a middle bottom plate crossbeam.
  4. 4. battery bag according to claim 3, it is characterised in that be provided with bottom plate crossbeam on the bottom plate crossbeam and subtract Repeated hole.
  5. 5. battery bag according to claim 1, it is characterised in that also include：Tubulose stiffening device, the tubulose strengthen dress Put including：
    Tubular reinforcements, the tubular reinforcements extend laterally along the battery bag, and the tubular reinforcements are hollow pipe Beam texture；
    Tubular reinforcements fixed support, the tubular reinforcements fixed support are fixed on left end and the right side of the tubular reinforcements End, the tubular reinforcements fixed support upper surface with the bottom wall of the lower house of the battery bag and the lower house respectively The inner surface of side wall be fixedly connected.
  6. 6. battery bag according to claim 5, it is characterised in that the tubular reinforcements extend to the lower house to the left Left side side-walls, the right-hand member of the tubular reinforcements extends right up to the side-walls on the right side of the lower house.
  7. 7. battery bag according to claim 5, it is characterised in that the tubular reinforcements have rectangular cross section.
  8. 8. battery bag according to claim 5, it is characterised in that the tubular reinforcements include：
    Preceding tubular reinforcements and rear tubular reinforcements, the preceding tubular reinforcements with it is described after tubular reinforcements be arranged in parallel and The longitudinally spaced of the battery bag is opened.
  9. 9. battery bag according to claim 8, it is characterised in that also include：
    Longitudinal connecting member, the longitudinal connecting member are fixed on the upper surface of the bottom wall of the lower house, the longitudinal connecting member It is connected respectively with the preceding tubular reinforcements and the rear tubular reinforcements.
  10. 10. battery bag according to claim 1, it is characterised in that also include：Line protecting box, the line protecting box include：
    Line protecting box body, Longitudinal extending of the line protecting box body along the battery bag, longitudinal both ends of the line protecting box body And top is opened wide, wire harness escape groove is provided with the left side wall and right side wall of the line protecting box body；
    Lid, the lid are arranged on the top of the line protecting box body, and the lid connects and fixes with the line protecting box body.
  11. 11. battery bag according to claim 10, it is characterised in that the wire harness escape groove is "u"-shaped groove, " U " The opening of shape groove upper end is arranged on the upper surface of the side wall of the line protecting box body.
  12. 12. battery bag according to claim 10, it is characterised in that on the left side wall and right side wall of the line protecting box body It is additionally provided with line protecting box wire harness clip button hole.
  13. 13. battery bag according to claim 10, it is characterised in that left side edge and the right side edge difference of the lid Box cover buckling is provided with, line protecting box hole clipping, the lid are respectively arranged with the left side wall and right side wall of the line protecting box body Buckle is connected in the line protecting box hole clipping.
  14. 14. battery bag according to claim 10, it is characterised in that left side edge and the right side edge difference of the lid Lid spacing preiection is provided with, the outside wall surface of the lid spacing preiection in left side and the left side wall of the line protecting box body is pasted Close, the lid spacing preiection on right side is bonded with the outside wall surface of the right side wall of the line protecting box body.
  15. 15. battery bag according to claim 14, it is characterised in that the lid spacing preiection be divided into it is multigroup, each group In have three lid spacing preiections, the length of two lid spacing preiections in each group positioned at both ends is less than positioned at middle box The length of lid spacing preiection.
CN201610867114.5A 2016-09-30 2016-09-30 Battery pack Active CN107887536B (en)

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108511652A (en) * 2018-05-10 2018-09-07 北京普莱德新能源电池科技有限公司 Battery modules pallet and battery pack
CN109003945A (en) * 2018-08-24 2018-12-14 常州普莱德新能源电池科技有限公司 A kind of bracket and battery case
CN109786601A (en) * 2019-01-02 2019-05-21 南京创源天地动力科技有限公司 A kind of power battery pack supporting plate structure
CN110060197A (en) * 2019-03-26 2019-07-26 浙江达峰科技有限公司 A kind of 3D rendering interactive module and processing method
CN110534679A (en) * 2019-09-30 2019-12-03 江西优特汽车技术有限公司 A kind of battery for electric automobile cabinet with anti-vibration effect
WO2020114697A1 (en) * 2018-12-05 2020-06-11 Bayerische Motoren Werke Aktiengesellschaft High-voltage energy store housing for a motor vehicle
CN111987261A (en) * 2020-08-31 2020-11-24 重庆金康赛力斯新能源汽车设计院有限公司 Upper cover of integrated power battery
EP3812202A1 (en) * 2019-10-25 2021-04-28 Shanghai Volvo Car Research and Development Co., Ltd. Integrated msd connector test device for power battery test
CN112757885A (en) * 2021-01-25 2021-05-07 浙江零跑科技有限公司 Method for improving universality of connection structure between middle mounting point of battery pack and vehicle body
CN112952274A (en) * 2021-01-25 2021-06-11 尹革新 Carrying system of new energy automobile lithium battery module
EP3907777A4 (en) * 2019-01-09 2022-07-27 BYD Company Limited Power battery pack and electric vehicle
CN115133192A (en) * 2022-06-09 2022-09-30 中国第一汽车股份有限公司 Battery system capable of resisting external impact and protection method
WO2024040568A1 (en) * 2022-08-26 2024-02-29 宁德时代新能源科技股份有限公司 Housing, power supply device and vehicle

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022118836A1 (en) * 2022-07-27 2024-02-01 Bayerische Motoren Werke Aktiengesellschaft Electrical energy storage for a motor vehicle, in particular a motor vehicle, and motor vehicle

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102130312A (en) * 2011-01-14 2011-07-20 上海银洲机电科技有限公司 Storage battery constant temperature cabinet with electrical control system
CN103456907A (en) * 2013-08-19 2013-12-18 浙江吉利汽车研究院有限公司 Reinforcing and fixing structure for battery pack
CN203713584U (en) * 2014-02-13 2014-07-16 安徽江淮汽车股份有限公司 Battery cut-off unit of power battery pack
CN204333075U (en) * 2014-12-30 2015-05-13 东风汽车公司 A kind of quick-changing type power battery box of electric vehicle body
CN104786807A (en) * 2015-04-17 2015-07-22 重庆长安汽车股份有限公司 Automobile and battery pack thereof
CN104868182A (en) * 2014-02-21 2015-08-26 三星Sdi株式会社 Battery pack
CN204857812U (en) * 2015-08-06 2015-12-09 简式国际汽车设计（北京）有限公司 Electronic passenger car power battery case structure
CN205406600U (en) * 2016-03-04 2016-07-27 湖南科霸汽车动力电池有限责任公司 Box formula assembled battery package
CN205429623U (en) * 2016-03-15 2016-08-03 重庆长安汽车股份有限公司 Automobile wire harness wire protecting box
CN205439945U (en) * 2015-12-29 2016-08-10 苏州奥杰汽车技术股份有限公司 Battery package structure convenient to quick installation

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102130312A (en) * 2011-01-14 2011-07-20 上海银洲机电科技有限公司 Storage battery constant temperature cabinet with electrical control system
CN103456907A (en) * 2013-08-19 2013-12-18 浙江吉利汽车研究院有限公司 Reinforcing and fixing structure for battery pack
CN203713584U (en) * 2014-02-13 2014-07-16 安徽江淮汽车股份有限公司 Battery cut-off unit of power battery pack
CN104868182A (en) * 2014-02-21 2015-08-26 三星Sdi株式会社 Battery pack
CN204333075U (en) * 2014-12-30 2015-05-13 东风汽车公司 A kind of quick-changing type power battery box of electric vehicle body
CN104786807A (en) * 2015-04-17 2015-07-22 重庆长安汽车股份有限公司 Automobile and battery pack thereof
CN204857812U (en) * 2015-08-06 2015-12-09 简式国际汽车设计（北京）有限公司 Electronic passenger car power battery case structure
CN205439945U (en) * 2015-12-29 2016-08-10 苏州奥杰汽车技术股份有限公司 Battery package structure convenient to quick installation
CN205406600U (en) * 2016-03-04 2016-07-27 湖南科霸汽车动力电池有限责任公司 Box formula assembled battery package
CN205429623U (en) * 2016-03-15 2016-08-03 重庆长安汽车股份有限公司 Automobile wire harness wire protecting box

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108511652A (en) * 2018-05-10 2018-09-07 北京普莱德新能源电池科技有限公司 Battery modules pallet and battery pack
CN109003945A (en) * 2018-08-24 2018-12-14 常州普莱德新能源电池科技有限公司 A kind of bracket and battery case
CN113016102A (en) * 2018-12-05 2021-06-22 宝马股份公司 High-voltage memory housing for a motor vehicle
WO2020114697A1 (en) * 2018-12-05 2020-06-11 Bayerische Motoren Werke Aktiengesellschaft High-voltage energy store housing for a motor vehicle
CN113016102B (en) * 2018-12-05 2024-01-05 宝马股份公司 High voltage accumulator housing for a motor vehicle
CN109786601A (en) * 2019-01-02 2019-05-21 南京创源天地动力科技有限公司 A kind of power battery pack supporting plate structure
US11955651B2 (en) 2019-01-09 2024-04-09 Byd Company Limited Power battery pack and electric vehicle
EP3907777A4 (en) * 2019-01-09 2022-07-27 BYD Company Limited Power battery pack and electric vehicle
CN110060197A (en) * 2019-03-26 2019-07-26 浙江达峰科技有限公司 A kind of 3D rendering interactive module and processing method
CN110534679A (en) * 2019-09-30 2019-12-03 江西优特汽车技术有限公司 A kind of battery for electric automobile cabinet with anti-vibration effect
EP3812202A1 (en) * 2019-10-25 2021-04-28 Shanghai Volvo Car Research and Development Co., Ltd. Integrated msd connector test device for power battery test
US11892511B2 (en) 2019-10-25 2024-02-06 Shanghai Volvo Car Research and Development Co., Ltd. Integrated MSD connector test device for power battery test
CN111987261A (en) * 2020-08-31 2020-11-24 重庆金康赛力斯新能源汽车设计院有限公司 Upper cover of integrated power battery
CN112952274A (en) * 2021-01-25 2021-06-11 尹革新 Carrying system of new energy automobile lithium battery module
CN112757885B (en) * 2021-01-25 2022-02-15 浙江零跑科技股份有限公司 Method for improving universality of connection structure between middle mounting point of battery pack and vehicle body
CN112757885A (en) * 2021-01-25 2021-05-07 浙江零跑科技有限公司 Method for improving universality of connection structure between middle mounting point of battery pack and vehicle body
CN115133192A (en) * 2022-06-09 2022-09-30 中国第一汽车股份有限公司 Battery system capable of resisting external impact and protection method
WO2024040568A1 (en) * 2022-08-26 2024-02-29 宁德时代新能源科技股份有限公司 Housing, power supply device and vehicle

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