CN207947332U - Square electric cell module - Google Patents
Square electric cell module Download PDFInfo
- Publication number
- CN207947332U CN207947332U CN201820386977.5U CN201820386977U CN207947332U CN 207947332 U CN207947332 U CN 207947332U CN 201820386977 U CN201820386977 U CN 201820386977U CN 207947332 U CN207947332 U CN 207947332U
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- wire harness
- battery core
- bus
- harness bracket
- plate
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Classifications
-
- 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
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- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a kind of square electric cell module, include battery core with cell polar ear of multiple in module box body, multiple bus-bars for the cell polar ear of battery core to be electrically connected to each other, wire harness bracket is equipped at the top of the module box body, the wire harness bracket includes multiple dividers, the opening portion being formed on wire harness bracket is separated into multiple lugs and is open by divider, the lug is open the cell polar ear for accommodating the battery core, and protrusion is formed with protrusion side to the side far from the module box body outwardly on divider；Bus-bar includes with the substrate of band-like extension and at least one embeded slot being formed on the substrate, the embeded slot is in the middle section of the substrate by being formed by bending, when substrate to be welded at least two cell polar ears, the embeded slot clinching is on the protrusion side of the wire harness bracket.Embeded slot is arranged in the utility model on the busbar, and protrusion side is arranged on wire harness bracket, enhances the shock resistance of square electric cell module.
Description
Technical field
The utility model belongs to power battery technology field, and in particular to a kind of square electric cell module.
Background technology
Response environment crisis and petroleum-based energy crisis, country vigorously advocate new energy construction, in this background, pure electric vehicle
The development of automobile has much foreground.The core part of pure electric automobile is power battery pack, and power battery pack is made of single battery core
Module, then module and other parts pack form battery pack, kernel component of the module as battery pack, structure design
Topology layout and the size for substantially determining battery pack are directly related to the reasonable utilization to battery pack space, to
This key index of influence energy density.
The single battery core of power battery is divided by planform, be broadly divided into cylindrical electrical core and square electric cell and Soft Roll this
Three kinds, wherein the square structure of square electric cell module is high to the protective effect of battery core, can pass through the thickness of reduction single battery
Ensure that the quick conduction of internal heat, the security performance of battery core have larger improvement, but due to existing square electric cell module
Shell (babinet) proportion shared in battery core gross weight is larger, causes the energy density of single battery relatively low, and internal structure is complicated,
Parts are more, and automation process maturity is relatively low, and assembly intensity is not good enough, are easy to be deformed because of cell internal pressure
Or damage.
A kind of battery core modular structure is disclosed application No. is 201710056433.2 patent document, including receiving babinet,
Multiple battery cores, multiple connection sheets, FPC acquisitions harness, insulation upper cover and signal acquiring board, multiple battery cores are arranged in order and are contained in
In containing case body, the positive and negative anodes of multiple battery cores form series/parallel by multiple connection sheets, and FPC acquires harness, and there is one to integrate
Harness piece and a plurality of signal acquisition piece, a plurality of signal acquisition piece are corresponded and are electrically connected with multiple connection sheets, and insulate upper cover
It is covered on an open end of receiving babinet, signal acquiring board is installed on receiving babinet, and harness-integrated on piece is equipped with and is adopted with signal
Collect the wire bundle plug-in connector that plate is electrically connected.
The battery core modular structure has the following disadvantages：
First, assembly parts are more, the fixed form of battery group is complicated, is by individually connecting between each single battery core
Piece carries out series/parallel, and when single battery core quantity increases, the connection sheet needed is more, the battery core positioned at both sides will also be distinguished
It is connect with the left connection structure and right connection structure accommodated on babinet by left copper bar, right copper bar, time-consuming and laborious, installation effectiveness
It is low；
Second, connection sheet is electrically connected by positive and negative anodes welding hole with two adjacent battery cores, pass through the first fixed groove, second
Fixed groove respectively be electrically connected the first fixation convex block of pallet, the second fixation convex block is connected together, connection sheet is realized with this
Be connected and fixed, be only contained in the fixed groove of the first fixed groove/second by fixing the fixation convex block of convex block/second by first
Interior, the connection between connection sheet and the connection, connection sheet and the single battery core that are electrically connected between pallet, which is easy to happen, to be loosened, when by
It is more prone to cause to loosen due to fastening deficiency when vibrations, assembles insufficient strength, battery core generates movement during vibrations, individually
The loose or dislocation of connection sheet is the trouble free service that can lead to entire battery modules.
Utility model content
The main purpose of the utility model is to provide a kind of square electric cell module, it is intended to solve existing square electric cell module
The problem of complicated, installation effectiveness is low and assembly insufficient strength.
To achieve the above object, the utility model proposes a kind of square electric cell modules, include more in module box body
A battery core with cell polar ear, multiple bus-bars for the cell polar ear of the battery core to be electrically connected to each other, the module
Top of the box is equipped with wire harness bracket, and the wire harness bracket includes multiple dividers, and the divider will be formed on wire harness bracket
Opening portion be separated into multiple lugs opening, the lug is open the cell polar ear for accommodating the battery core, the separation
Protrusion is formed with protrusion side to the side far from the module box body outwardly on item；The bus-bar includes with the substrate of band-like extension
With at least one embeded slot being formed on the substrate, the embeded slot passes through Curved in the middle section of the substrate
At, when the substrate is welded at least two cell polar ears, protrusion of the embeded slot clinching in the wire harness bracket
Bian Shang.
Preferably, the wire harness bracket includes the rack body of rectangle and the gathering line mounting plate of bar shaped, the gathering line
Mounting plate is connected to the inside of the short side of the rack body in the both ends of its extending direction, and the divider is vertically connected at institute
It states between the long side of rack body and the gathering line mounting plate；The battery core is equipped with relief valve, on the gathering line mounting plate
It is provided with several one-to-one exhaust ports of relief valve with all battery cores.
Preferably, the square electric cell module further includes PCB collection plates, and the PCB collection plates are to pacify with the gathering line
The both sides for extending along direction of the bar shaped of loading board shape adaptation, the PCB collection plates are respectively equipped with collection plate lug, described to adopt
Collect plate electrode ear to weld with the bus-bar；It is formed with several collection plate buckles on the gathering line mounting plate and several collection plates are convex
Column is provided with collection plate bayonet for engaging with the collection plate pillar on the PCB collection plates, is several with the exhaust port
One-to-one collection plate gas vent and harness socket, the analog input card button are formed in prolonging along it for the gathering line mounting plate
The both sides of the edge for stretching direction, to make the PCB analog input cards be fixed on the gathering line mounting plate.
Preferably, two positioned at the end of positive and negative connection in multiple bus-bars are additionally provided with otic placode, the otic placode
It is formed in terminal edge of the substrate along one extending direction；The wire harness bracket along the both ends of battery core orientation respectively
Bus-bar mounting portion there are two being formed is protruded, the first bolt mounting holes is provided on the bus-bar mounting portion, is opened on the otic placode
There is otic placode trepanning corresponding with first bolt mounting holes, two confluences of end will be connected positioned at positive and negative anodes by bolt
Row is installed on the bus-bar mounting portion.
Preferably, it is arranged with protection cap outside the bus-bar mounting portion.
Preferably, the bus-bar is arranged for aluminium.
Preferably, the module box body include a bottom plate, two risers, both side plate and a head cover, the bottom plate along battery core
The both ends of orientation are provided with vertical riser mounting hole, to make the bottom end of the riser be fixed on the bottom plate；It is described
The bottom end of side plate has vertically formed bound edge, and the bound edge is fixed on the bottom surface of the bottom plate；The periphery sides of the wire harness bracket
Edge is equipped with head cover card slot, and the edge of the head cover is equipped with head cover edge corresponding with head cover card slot, to make the head cover fix
In on the wire harness bracket.
Preferably, the top of the riser is equipped with vertical wire harness bracket mounting hole, and the wire harness bracket is arranged along battery core
The both ends of column direction are provided with wire harness bracket through-hole, wire harness bracket to be fixed on the riser by bolt.
Preferably, the surrounding envelope surface of each battery core is equipped with fire-retardant foam and/or adhesive tape, the bottom of all battery cores
Adhesive tape is equipped between the bottom surface in the module box body.
Preferably, the module box body is made of aluminium, and the wire harness bracket is made of ABS engineering plastics.
Compared with prior art, the advantageous effect of technical solutions of the utility model：
One, the utility model uses a kind of new band-like bus structures, by two neighboring on bus-bar and battery core
Embeded slot is set between the welding region of lug, and the embeded slot uses bending forming, and by be arranged on wire harness bracket with
The corresponding protrusion side of embeded slot so that when cell polar ear moves, since embeded slot can generate certain stretcher strain
Or deformation is bent, make the width or change in depth of embeded slot, to protect the welding region of embeded slot both sides and cell polar ear to subtract
Small stress and it is injury-free, there is good shock absorption, the weld for effectively preventing cell polar ear is broken, enhances
The shock resistance of square electric cell module.
Two, the utility model additionally uses a kind of new module assembling structure, is module box body first as a result of side
The structure of board bottom portion bound edge, reduces the use of bolt in assembling process, followed by by being integrally formed at wire harness bracket both ends
There is bus-bar mounting portion, can be directly fixedly connected with the otic placode of bus-bar end, is also formed with harness at wire harness bracket both ends
Rack ventilating hole can be directly fixedly connected with module box body, then also convex by using the connection of PCB collection plates and wire harness bracket
Column positioning is fixed using buckle, is achieved in the firm assembling structure of module box body, wire harness bracket, bus-bar, PCB collection plates,
Not only intensity is high, even more effectively increases efficiency of assembling.
Three, the utility model preferably sets bus-bar to aluminium row, and module box body also uses aluminium to constitute, can be effective
The architecture quality of battery core module is reduced, and then improves the ratio energy of battery core module；It is light-weighted while but also it is more convenient plus
Work, to further increase production efficiency.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the three-dimensional structure diagram for the square electric cell module that one embodiment of the utility model proposes；
Fig. 2 is the explosive view one of Fig. 1；
Fig. 3 is the explosive view two of Fig. 1；
Fig. 4 is to save the structure chart after cover board and a bus-bar in Fig. 1；
Fig. 5 is the structure chart of wire harness bracket in the square electric cell module that Fig. 1 is proposed；
Fig. 6 is the structure chart of module box body in the square electric cell module that Fig. 1 is proposed；
Fig. 7 is the installation diagram of module box body and wire harness bracket in the square electric cell module that Fig. 1 is proposed；
Fig. 8 is the structure chart of battery core in the square electric cell module that Fig. 1 is proposed；
Fig. 9 is the structure chart of battery core group in the square electric cell module that Fig. 1 is proposed；
Figure 10 is the structure chart of bus-bar in the square electric cell module that Fig. 1 is proposed；
Figure 11 is the structure chart of PCB collection plates in the square electric cell module that Fig. 1 is proposed；
Figure 12 is the side local structural graph of module box body in the square electric cell module that Fig. 1 is proposed.
The drawing reference numeral explanation of the utility model：
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative position relation, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage
Solution is instruction or implies its relative importance or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.It is " more in the description of the present invention,
It is a " it is meant that at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should do broad sense reason
Solution, for example, " fixation " may be a fixed connection, may be a detachable connection, or integral；It can be mechanical connection, also may be used
To be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary the connection inside two elements
Or the interaction relationship of two elements, unless otherwise restricted clearly.It for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
In addition, the technical solution between each embodiment of the utility model can be combined with each other, but must be with ability
Domain those of ordinary skill can be implemented as basis, will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of this technical solution is not present, also not within the protection domain of the requires of the utility model.
The utility model proposes a kind of square electric cell modules.
Fig. 1 to Figure 12 is please referred to, square electric cell module includes multiple with cell polar ear 21 in module box body 10
Battery core 20, multiple bus-bars 30 for the cell polar ear 21 of the battery core to be electrically connected to each other；The module box body 10 pushes up
Portion is equipped with wire harness bracket 40, and the wire harness bracket 40 includes multiple dividers 41, and the divider 41 will be formed in wire harness bracket
Opening portion on 40 is separated into multiple lug openings 42, cell polar ear of the lug opening 42 for accommodating the battery core
21, protrusion is formed with protrusion side 43 to the side far from the module box body 10 on the divider 41 outwardly；The bus-bar 30
Include with the substrate 31 of band-like extension and at least one embeded slot 32 being formed on the substrate 31, the embeded slot 32 is in institute
The middle section of substrate 31 is stated by being formed by bending, when the substrate 31 is welded on cell polar ear 21, the embeded slot
32 clinchings are on the protrusion side 43 of the wire harness bracket 40.
Convention square battery core module includes module box body and the battery core group that is contained in module box body, and battery core group is by multiple electricity
Core, which stacks gradually, to be arranged to make up, and is extended in a longitudinal direction, which corresponds to the stacking direction of battery core, and battery core has
Positive and negative two cell polar ears uniformly output power after the cell polar ear of each battery core is mutually conductively connected by bus-bar, battery core
Quantity, the quantity of bus-bar and battery core and the connection in series-parallel relationship of bus-bar set according to the capacity requirement of electrokinetic cell system
Meter only plays the role of being conductively connected however, conventional bus-bar is typically only capable to connect two adjacent battery core terminals, and mould
The quantity of battery core is possible to increase to 30 or more in group, and when being given a shock, the battery core being contained in module box body can produce module
Raw movement most probably causes the welding region of cell polar ear to damage and disconnect, is powered off so as to cause at this.
Square electric cell module in present embodiment installs the harness of insulation at the top end opening of the module box body 10
Holder 30, offers on wire harness bracket 30 and each cell polar ear 21 is open for accommodating the lug of cell polar ear correspondingly
42, so that battery core 20 is carried out with this approximately fixed, the adjacent two lugs opening 42 along 20 orientation of battery core is to pass through divider
41 are spaced apart, and multiple dividers 41 are along battery core orientation spaced set, protrusion forms protrusion side 43 on divider 41,
Square electric cell module in present embodiment additionally uses a kind of new bus structures, and bus-bar 30 is set as band-like, bus-bar
30 length is changeable according to battery core number in parallel, to be welded and fixed with more than two cell polar ears 21, also, band
The bending property for the conductive metal that the bus-bar 30 of shape has its intrinsic, is arranged the embedding of at least one bending forming on bus-bar 30
Slot 32 is closed, embeded slot 32 is the extending direction lateral trench consistent with the extending direction on protrusion side 43, the position with protrusion side 43
Corresponding, 31 part of substrate that 32 both sides of embeded slot are located on bus-bar 30 is welded with cell polar ear 21 respectively so that cell polar ear
21 lug opening 42 in move when, due to embeded slot 32 can generate certain stretcher strain or press-bending deform, make embedding
The width or change in depth for closing slot 32, to protect the welding region of 32 both sides of embeded slot and cell polar ear 21 reduce stress without
It is damaged, there is good shock absorption, the weld for effectively preventing cell polar ear 21 to be broken, enhance square electric cell
The shock resistance of module.
Specifically in the present embodiment, the extension plane on the protrusion side is vertical with the upper surface of the battery core.It can manage
Xie Di, in some other embodiment, protrusion side may be arranged as other extension angle, can carry out surplus with embeded slot
Cooperation, be not limited thereto.
Further, the wire harness bracket 40 includes the gathering line mounting plate 45 of the rack body 44 and bar shaped of rectangle, institute
State the inside that gathering line mounting plate 45 is connected to the short side of the rack body 44 in the both ends of its extending direction, the divider
41 are vertically connected between the long side of the rack body 44 and the gathering line mounting plate 45；The battery core 20 is equipped with relief valve
22, several 22 one-to-one exhaust ports of relief valve with all battery cores 20 are provided on the gathering line mounting plate 45
451。
The sampling harness for connecting each battery core 20 is equipped in battery core module, the wire harness bracket not only acts as the work of fixed battery core
With, also act as arrangement sampling harness effect.The exhaust port 46 makes battery core exempt swollen for making the gas in battery core be discharged
The danger of swollen explosion.
Further, the square electric cell module further includes PCB collection plates 50, and the PCB collection plates 50 are to be adopted with described
The both sides for extending along direction of the bar shaped of 45 shape adaptation of line concentration mounting plate, the PCB collection plates 50 are respectively equipped with collection plate
Lug 51, the collection plate lug 51 are welded with the bus-bar 30；It is formed with several acquisitions on the gathering line mounting plate 45
Board button 452 and several collection plate pillars 453 are provided with for engaging with the collection plate pillar 453 on the PCB collection plates 50
Collection plate bayonet 52, several with 451 one-to-one collection plate gas vent 53 of the exhaust port and harness socket 54, it is described
Collection plate buckle 452 is formed in the both sides of the edge for extending along direction of the gathering line mounting plate 45, to make the PCB adopt
Collection plate 50 is fastened on the gathering line mounting plate 45.
The PCB collection plates of convention square battery core module only acquire lug with bus-bar welding to realize fixation by it, adopt
It may be loosened because of vibrations between collection plate mainboard and wire harness bracket, to pull the welding section between its acquisition lug and bus-bar
Domain causes to disconnect.Another embodiment of convention square battery core module is to be fixed PCB collection plates by screw, this
Fixed form is not only processed and is taken time and effort, but also easily occurs the risk that screw is fallen into module when installation, hidden to there is safety
Suffer from.
Square electric cell module setting collection plate buckle 452 and several acquisitions among wire harness bracket 40 in present embodiment
Plate pillar 453 so that not only installation operation is convenient for PCB collection plates 50, directly presses and sticks into, and realizes effectively
It is fixed.Also, collection plate gas vent 53 is set on the PCB collection plates 50, can be leaked in the relief valve 22 of battery core 20
When, it shields, leaked gas or liquid can directly be flowed out from the collection plate gas vent 53, without acquiring PCB
Plate 50 is washed open.
Wherein, the harness socket 54 is for being electrically connected and communicating to connect with module management system, the PCB collection plates 50
Collected voltage signal, temperature signal etc. are transmitted to module management system, to realize being uniformly controlled for electrokinetic cell system
Management.
Further, two positioned at the end of positive and negative connection in multiple bus-bars 30 are additionally provided with otic placode 33, institute
State the terminal edge that otic placode 33 is formed in the substrate 31 along one extending direction；The wire harness bracket 40 along battery core arrangement side
To both ends it is respectively prominent formed there are two bus-bar mounting portion 46, be provided with bus-bar mounting hole on the bus-bar mounting portion 46
461, otic placode trepanning 331 corresponding with the bus-bar mounting hole 461 is provided on the otic placode 33, will be located at just by bolt
Two bus-bars 30 of negative connection terminals are installed on the bus-bar mounting portion 46.
Specifically in the present embodiment, including totally ten two battery cores 20, every three battery cores 20 are realized by a bus-bar 30
After parallel connection, then positive-negative series connection, the head and the tail end of connection are unified to output power via otic placode 33 again, are located at head and the tail end
Two bus-bars 30 are divided substrate 31 for three regions by two embeded slots 32, can connect three battery cores 20, and the other three is converged
Stream row 30 is divided substrate 31 for six regions by five embeded slots 32, can connect six battery cores 20, thus each bus-bar 30 will
All battery cores 20 are connected as a firm battery core group.
In convention square battery core module, in addition battery core connection end need to be arranged individual connecting copper bar and carry out voltage output,
Not only increase the number of parts, and when battery core string and when number changes, the installation site meeting of the connecting copper bar of end
It changes.
And the square electric cell module in present embodiment, the otic placode 33 for connection positioned at bus-bar head and the tail end is straight
It connects and is set as one with bus-bar 30, otic placode 33 is shaped by bending, and reduces installation parts, substrate 31 and the phase of bus-bar 30
After the cell polar ear 21 answered is welded, otic placode 33 is directly bonded with the bus-bar mounting portion 46 being located on wire harness bracket 40, then
It is fixed by bolt, eliminates and need in addition to be fixedly connected the positioning operation that copper bar needs carry out in traditional module,
The installation work-hour of module group assembling has been saved, module has also been effectively increased and assembles the consistency come, also make parts in module
Connection is more firm.In addition, the both sides of wire harness bracket 40 are respectively provided with two bus-bar mounting portions 46 so that battery core connection in series-parallel number is sent out
When changing, the bus-bar 30 with otic placode 33 can all conveniently realize installation and fix.
Further, it is arranged with protection cap 47 outside the bus-bar mounting portion 46.
In four bus-bar mounting portions 46, two outsides for being equipped with 30 otic placode 33 of bus-bar are equipped with protection cap 47, otic placode
It is connected to voltage output line at 33, has big voltage output, the material of protection cap 47 is ABS/PC fire proofings, for exposed remittance
Stream row 30 and wiring exit carry out insulating protection.
Further, the bus-bar 30 is arranged for aluminium.
The opposite copper bar lighter in weight of aluminium row, and price is relatively low, reduces production cost, aluminium is arranged by itself and cell polar ear 21
Welding region is sheet, ensure that bonding strength.
It is to be appreciated that in some other embodiment, bus-bar can also use other conductive metals such as copper to be made, and have
There are preferable ductility and intensity to make, is not limited thereto.
Further, the module box body 10 includes a bottom plate 11, two risers 12, both side plate 13 and a head cover 14, described
Bottom plate 11 is provided with vertical riser mounting hole 111 along the both ends of battery core orientation, to keep the bottom end of the riser 12 solid
Due on the bottom plate 11；The bottom end of the side plate 13 has vertically formed bound edge 131, and the bound edge 131 is fixed on the bottom plate
On 11 bottom surface；The peripheral edge of the wire harness bracket 40 is equipped with head cover card slot 48, and the edge of the head cover 14 is equipped with and head cover
48 corresponding head cover edge 141 of card slot, to make the head cover 14 be fastened on the wire harness bracket 40.
Further, the top of the riser 12 is equipped with vertical wire harness bracket mounting hole 121, the wire harness bracket 40
It is provided with wire harness bracket through-hole 49 along the both ends of battery core orientation, wire harness bracket 40 is fixed on the riser by bolt
On 12.
The module box body 10 plays fixed and sealing function, therefore 10 package assembly of module box body to internal battery core group
Intensity be make the important guarantee of its trouble free service, meanwhile, existing square electric cell module assembling structure and technique are more complex.This
The installation steps of module box body 10 in embodiment are：Bottom plate 11, riser 12 and side plate 13 are first connected with to determine by S1
Position locking, then welds the bound edge 131 of 13 bottom of side plate with riser 12；S2 will design the battery core group of connection in series-parallel relationship
It is put into module box body 10, locks wire harness bracket 40 immediately；Bus-bar 30 is respectively welded at square electric by S3 by connection in series-parallel relationship
On the positive and negative anodes cell polar ear 21 of core 20；PCB collection plates 50 are installed on the wire harness bracket 40 by S4, make PCB collection plates 50
Collection plate lug 51 be welded to connect with each bus-bar 30, and connection wiring harness；S5, finally loads onto protection cap 47, card upper top cover 14,
Complete assembling.In the assembling process of the module box body 10, it is fixed by bolts few, the mechanical connection of inner lead part
Using welding, have the advantages that connection resistance is small, intensity is good, the installation operation of PCB collection plates 50 is convenient, and is walked without complexity
Line, internal structure compact and reasonable reduce the reliability that installation procedure also increases internal structure.
Further, the surrounding envelope surface of each battery core 20 is equipped with fire-retardant foam 61 and/or adhesive tape 62, all electricity
Adhesive tape 62 is equipped between bottom surface in the bottom of core 20 and the module box body 10.
The fire-retardant foam 61 pasted between adjacent two battery core 20 plays insulation, wear-resisting and cushioning effect, for ensureing battery core group
It is worked normally in the environment of vibrations, while stamping the adhesive tape 62 of zigzag between the side of every battery core 20, in all battery cores 20
Bottom surface and the bottom plate 11 between stamp the adhesive tape 62 of two zigzags.Adhesive tape 62 has bonding force, and all battery cores 20 is allowed to connect
After being connected into an entirety, integral strength is more preferable, and the telescopicing performance of adhesive tape 62 can absorb one when 20 fever expansion of battery core
Fixed deflection shields, and adhesive tape 62 also has excellent heat-conductive characteristic, can be reduced by conducting heat
The temperature difference of battery core 20.
Further, the module box body 10 is made of aluminium, and the wire harness bracket 40 uses ABS engineering plastics systems
At.
The module box body 10 uses aluminum alloy materials, and aluminium advantage intensity is high, density is low, same being effectively protected battery core
When can meet light-weighted requirement, the architecture quality of battery core module can be effectively reduced, and then improve the ratio energy of battery core module.
Wherein riser 12 is die casting aluminium, and die casting proximate matter need not carry out much mechanical add again after capable of making complicated shape and molding
Work can save manufacturing procedure and improve production efficiency；In addition riser 12 is had an advantage that using die-casting process:Relative to using crowded
Riser made of molded, mounting hole are usually the vertical long through-hole through entire riser, and module box body is positioned in installation
When, to realize fixation by four long bolts, and when deviation occurs in the cooperation of long bolt and mounting hole, it is easy to cause whole
A module box body can not be installed, and extrudate is different from, and the fixed form of die casting riser is fixed with long bolt, with short spiral shell
Bolt directly forms riser mounting plate 122 in riser bottom using die-casting process, length is opened up on riser mounting plate 122
Short module mounting hole 123, is arranged in by short screw in module mounting hole 123, and consolidating for entire module box body 10 is achieved in
Dingan County fills, and also and then alleviates entire module weight, further increases energy density.Wire harness bracket 40 uses ABS+PC materials,
Not only there is excellent heat-resistant pressure-resistant performance, dimensional stability and impact resistance, it may have good mechanical strength.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
Under every utility model in the utility model is conceived, equivalent structure made based on the specification and figures of the utility model
Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
- Include battery core with cell polar ear of multiple in module box body, multiple for will 1. a kind of square electric cell module The bus-bar that the cell polar ear of the battery core is electrically connected to each other,It is characterized in that,Wire harness bracket is equipped at the top of the module box body, the wire harness bracket includes multiple dividers, and the divider will be formed Opening portion on wire harness bracket is separated into multiple lug openings, battery core pole of the lug opening for accommodating the battery core Ear, protrusion is formed with protrusion side to the side far from the module box body outwardly on the divider；The bus-bar include with the substrate of band-like extension and at least one embeded slot for being formed on the substrate, it is described chimeric Slot in the middle section of the substrate by being formed by bending, when the substrate is welded at least two cell polar ears, institute Embeded slot clinching is stated on the protrusion side of the wire harness bracket.
- 2. square electric cell module as described in claim 1, which is characterized in that the wire harness bracket includes the rack body of rectangle With the gathering line mounting plate of bar shaped, the gathering line mounting plate is connected to the short of the rack body in the both ends of its extending direction The inside on side, the divider are vertically connected between the long side of the rack body and the gathering line mounting plate；The battery core is equipped with relief valve, several relief valves with all battery cores are provided on the gathering line mounting plate one by one Corresponding exhaust port.
- 3. square electric cell module as claimed in claim 2, which is characterized in that the square electric cell module further includes PCB acquisitions Plate, the PCB collection plates are the bar shaped with the gathering line mounting plate shape adaptation, the side of extending along of the PCB collection plates To both sides be respectively equipped with collection plate lug, the collection plate lug is welded with the bus-bar；It is formed with several collection plate buckles and several collection plate pillars on the gathering line mounting plate, is opened on the PCB collection plates It is useful for the collection plate bayonet engaged with the collection plate pillar, the one-to-one collection plate of several and exhaust port is vented Hole and harness socket, the analog input card button are formed in the both sides of the edge for extending along direction of the gathering line mounting plate, use So that the PCB analog input cards are fixed on the gathering line mounting plate.
- 4. square electric cell module as claimed in claim 3, which is characterized in that be located at positive and negative connection in multiple bus-bars Two of end be additionally provided with otic placode, the otic placode is formed in terminal edge of the substrate along one extending direction；There are two bus-bar mounting portion, the confluences for the formation that respectively protruded along the both ends of battery core orientation of the wire harness bracket The first bolt mounting holes are provided on row's mounting portion, otic placode trepanning corresponding with first bolt mounting holes is provided on the otic placode, Two bus-bars for connecting end positioned at positive and negative anodes to be installed on the bus-bar mounting portion by bolt.
- 5. square electric cell module as claimed in claim 4, which is characterized in that be arranged with protection outside the bus-bar mounting portion Lid.
- 6. such as square electric cell module described in any one of claim 1 to 5, which is characterized in that the bus-bar is arranged for aluminium.
- 7. square electric cell module as described in claim 1, which is characterized in that the module box body include a bottom plate, two risers, Both side plate and a head cover, the bottom plate are provided with vertical riser mounting hole along the both ends of battery core orientation, described to make The bottom end of riser is fixed on the bottom plate；The bottom end of the side plate has vertically formed bound edge, and the bound edge is fixed on the bottom On the bottom surface of plate；The peripheral edge of the wire harness bracket is equipped with head cover card slot, and the edge of the head cover is equipped with and head cover card slot pair The head cover edge answered, to make the head cover be fastened on the wire harness bracket.
- 8. square electric cell module as claimed in claim 7, which is characterized in that the top of the riser is equipped with vertical harness branch Frame mounting hole, the wire harness bracket are provided with wire harness bracket through-hole along the both ends of battery core orientation, to by bolt by line Bundle branch frame is fixed on the riser.
- 9. the square electric cell module as described in claim 1 or 7 or 8, which is characterized in that the surrounding envelope surface of each battery core is set There are fire-retardant foam and/or adhesive tape, adhesive tape is equipped between the bottom surface in the bottom and the module box body of all battery cores.
- 10. square electric cell module as described in claim 1, which is characterized in that the module box body is made of aluminium, described Wire harness bracket is made of ABS engineering plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820386977.5U CN207947332U (en) | 2018-03-21 | 2018-03-21 | Square electric cell module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820386977.5U CN207947332U (en) | 2018-03-21 | 2018-03-21 | Square electric cell module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207947332U true CN207947332U (en) | 2018-10-09 |
Family
ID=63698389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820386977.5U Active CN207947332U (en) | 2018-03-21 | 2018-03-21 | Square electric cell module |
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| CN (1) | CN207947332U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258168A (en) * | 2018-03-21 | 2018-07-06 | 湖南金杯新能源发展有限公司 | Square electric cell module |
| CN109728237A (en) * | 2018-12-29 | 2019-05-07 | 蜂巢能源科技有限公司 | Busbar support for battery module |
| CN110350230A (en) * | 2019-05-31 | 2019-10-18 | 恒大新能源科技集团有限公司 | A kind of Soft Roll power battery module battery core stacking method |
| CN112259857A (en) * | 2020-10-12 | 2021-01-22 | 盐城国投中科新能源科技有限公司 | Battery module fastening device and installation method thereof |
| CN113904055A (en) * | 2021-09-18 | 2022-01-07 | 东莞新能安科技有限公司 | Battery packs and electrical equipment |
| EP4358654A3 (en) * | 2019-03-28 | 2024-12-04 | CPS Technology Holdings LLC | Flexible circuit having a fuse, bus bar holder including a lead-in structure, electrical conduction assembly having a bus bar, and battery including the same |
-
2018
- 2018-03-21 CN CN201820386977.5U patent/CN207947332U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258168A (en) * | 2018-03-21 | 2018-07-06 | 湖南金杯新能源发展有限公司 | Square electric cell module |
| CN109728237A (en) * | 2018-12-29 | 2019-05-07 | 蜂巢能源科技有限公司 | Busbar support for battery module |
| CN109728237B (en) * | 2018-12-29 | 2022-03-22 | 蜂巢能源科技有限公司 | Bus bar support of battery module |
| EP4358654A3 (en) * | 2019-03-28 | 2024-12-04 | CPS Technology Holdings LLC | Flexible circuit having a fuse, bus bar holder including a lead-in structure, electrical conduction assembly having a bus bar, and battery including the same |
| CN110350230A (en) * | 2019-05-31 | 2019-10-18 | 恒大新能源科技集团有限公司 | A kind of Soft Roll power battery module battery core stacking method |
| CN112259857A (en) * | 2020-10-12 | 2021-01-22 | 盐城国投中科新能源科技有限公司 | Battery module fastening device and installation method thereof |
| CN113904055A (en) * | 2021-09-18 | 2022-01-07 | 东莞新能安科技有限公司 | Battery packs and electrical equipment |
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Effective date of registration: 20231229 Address after: A1903, Building 14, Zhonghaixin Innovation Industrial City, No. 12 Ganli 6th Road, Gankeng Community, Jihua Street, Longgang District, Shenzhen City, Guangdong Province, 518000 (one photo multi site enterprise) Patentee after: SHENZHEN ORICO TECHNOLOGIES Co.,Ltd. Address before: 410000 room 1101, building 8, Xincheng Science Park, No. 588, Yuelu West Avenue, high tech Development Zone, Changsha, Hunan Patentee before: Hunan rongchuang Technology Co.,Ltd. |
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