CN108075051A - Power battery module and the power battery box with power battery module - Google Patents
Power battery module and the power battery box with power battery module Download PDFInfo
- Publication number
- CN108075051A CN108075051A CN201611032443.4A CN201611032443A CN108075051A CN 108075051 A CN108075051 A CN 108075051A CN 201611032443 A CN201611032443 A CN 201611032443A CN 108075051 A CN108075051 A CN 108075051A
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- CN
- China
- Prior art keywords
- conductive
- core
- power battery
- battery module
- sleeve
- 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.)
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Classifications
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- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/552—Terminals characterised by their shape
-
- 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
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
-
- 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
- Y02T10/62—Hybrid vehicles
Abstract
The present invention relates to power battery field, more particularly, to a kind of power battery module and the power battery box with power battery module.The power battery module includes modular cartridge and battery core.More than one is formed in the modular cartridge for installing the groove body of battery core；The upper and lower side of the modular cartridge is respectively arranged with upper conductive sheet and the lower conductive sheet for connecting the battery core side electrode and lower lateral electrode；The conductive sheet outboard cover is equipped with insulating trip.Battery module and power battery box provided by the invention are simple in structure, and mounting means is simple, and easy to disassemble, maintenance, have great practicability.
Description
Technical field
The present invention relates to power battery fields, more particularly, to a kind of power battery module and have power battery module
Power battery box.
Background technology
With people environmental consciousness it is increasingly stronger, electric car starts gradually to popularize as the vehicles.And with electricity
The growth of electrical automobile, tradition have not been applied to the scheme of lead-acid battery, do not simply fail to ensure the security of power battery pack, peace
Uniformity and dismounting convenience are filled, later stage recovery processing is seriously polluted, and is not easy to tissue production and later maintenance.
In view of the foregoing drawbacks, the present invention provides a kind of power battery box, the assembling in groups of battery core can be realized, convenient for tearing open
It unloads, repair and maintains.
The content of the invention
The object of the present invention is to provide a kind of power battery module and with power battery module power battery box, can
Realize the assembling in groups of battery core, and easy to disassemble, maintenance and repair.
Present invention firstly provides a kind of power battery module, including modular cartridge and battery core.One is formed in the modular cartridge
A above groove body for being used to install battery core；The upper and lower side of the modular cartridge be respectively arranged with the connection battery core side electrode and
The upper conductive sheet of lower lateral electrode and lower conductive sheet；Insulating trip is covered with respectively on the outside of the upper conductive sheet and lower conductive sheet.
Preferably, the modular cartridge includes upper cover and lower cover；The groove body includes upper groove body and lower groove；The upper groove body
It is formed in the upper cover；The lower groove is formed in the lower cover, and corresponding with the upper groove body, for installing the electricity
Core；The upper cover and lower cover are releasably secured together.
Preferably, the upper cover and lower cover are connected together by fastener.
Preferably, the fastener includes the buckle formed and the block tongue formed on the lower lid on the upper lid,
It is offered on the block tongue and the card slot for being buckled and being adapted.
Preferably, it is formed at least one pillar for being used to support and/or being detachably fixed upper cover on the lower lid.
Preferably, the surrounding side of the upper cover and lower cover is formed with multiple grooves.
Preferably, the multiple groove includes positioning groove and/or strip groove, is formed in the strip groove convex
Bar.
Preferably, the outside setting upper conductive sheet of the upper cover, the outside lower conductive sheet of the lower cover, and
Upper conductive sheet and lower conductive sheet are respectively by multiple fastener /Vs of upper cover and lower cover outer ledge in upper cover and lower lid.
Preferably, the upper conductive sheet outboard cover is equipped with upper insulating trip, and the lower conductive sheet outboard cover is equipped with lower insulating trip,
The upper conductive sheet and lower conductive sheet is completely covered in the upper insulating trip and lower insulating trip respectively, and passes through upper cover and lower cover respectively
Multiple fastener /Vs of outer ledge are in upper cover and lower lid.
Preferably, it is corresponding logical that position is further opened on the upper conductive sheet, lower conductive sheet, upper insulating trip and lower insulating trip
Hole.
Preferably, the conductive sheet includes matrix, and described matrix is grouped together by copper bar and nickel sheet；Described matrix
On offer several through holes, be formed in described matrix in through hole for electrical connection strip flange, the strip flange
Extended by the nickel sheet.
Preferably, the end of the strip flange is equipped with the salient point of protrusion.
Preferably, the strip hole extended along the strip flange length direction, Mei Gesuo are offered on the strip flange
The end for stating strip flange sets there are two salient point and is located at strip hole both sides respectively.
Preferably, the strip hole has straight section, and the strip flange forms two sections of parallel straight-arms.
Preferably, the salient point is configured to positioned at the center of through hole, and the height of projection of the salient point is 0.2-
0.4mm, a diameter of 1-1.5mm.
Preferably, the junction of the strip flange and described matrix is formed with arc groove.
Preferably, it is provided in described matrix in conductive conductive column, conductive column sleeve, conductive sleeve, female plug, tower spring at least
One.
Preferably, the tower spring, which is arranged on, is extended outwardly from matrix and to the bent sheet bent perpendicular to the direction of matrix
On.
Preferably, the conductive column sleeve and/or conductive sleeve include conducting sleeve and its interior conductive spring.
Preferably, the conductive sleeve forms power battery connection structure with conductive core；Set in the conductive sleeve there are one or
Multiple resilient conductive elements；The conductive core includes the conductive core in a core cylinder and core cylinder；The core can with conductive sleeve
The core is in contact with the resilient conductive element when being discretely socketed, and being socketed.
Preferably, the external wall of the resilient conductive element core and conductive sleeve inner wall press from both sides when the core and conductive sleeve are socketed
Tightly.
Preferably, the inner wall of the conductive sleeve is equipped with one or more conductive annular grooves, and the resilient conductive element is arranged on described
Conductive annular groove in, and the resilient conductive element is interference fitted with the conductive annular groove.
Preferably, the resilient conductive element is ring shaped conductive spring.
Preferably, the conductive sleeve includes a sleeve, and the sleeve includes sleeve, the both ends inner wall difference of described sleeve pipe
Equipped with one or more resilient conductive elements.
Preferably, the inner wall of the conductive sleeve is equipped at least one first closure gasket groove, and first closure gasket groove is set
Between the opening of the resilient conductive element and conductive sleeve socket core, the first sealing is equipped in first closure gasket groove
Circle.
Preferably, the outer wall in described sleeve pipe centre position is additionally provided with the spacing ring of an annular.
Preferably, the core includes the first core and its second core at both ends, the diameter of second core are less than
First core, the internal diameter of the diameter and the cylinder of first core are adapted, the casing of second core and conductive sleeve
Socket connection.
Preferably, the core cylinder include cylinder, the both ends inner wall of the cylinder and in the second core outer wall be respectively equipped with to
Few second sealing ring.
Preferably, the cylinder inboard wall of the intersection of first core and the second core is equipped with the second closure gasket groove, described
There is the protrusion of cylinder inboard wall at the both ends of second closure gasket groove, and second sealing ring is limited in second closure gasket groove.
The present invention also provides a kind of power battery box, including：Babinet；Battery modules are placed in the babinet, including more
A foregoing any battery module being fixedly installed side by side.
Battery module and power battery box provided by the invention are simple in structure, and mounting means is simple, and easy to disassemble, repair
And maintenance, there is great practicability.
Description of the drawings
Fig. 1 is the structure diagram of power battery box one embodiment of the present invention.
Fig. 2 is the internal structure schematic diagram of power battery box shown in Fig. 1.
Fig. 3 is the structure diagram of modular cartridge one embodiment of the present invention.
Fig. 4 is the inverted structure schematic diagram of modular cartridge shown in Fig. 3.
Fig. 5 is the structure diagram of cupro-nickel conductive sheet one embodiment of the present invention.
Fig. 6 is the close-up schematic view of region A in Fig. 5.
Fig. 7 is the structure diagram of the cupro-nickel conductive sheet one embodiment of the present invention with conductive sleeve.
Fig. 8 is the structure diagram of the cupro-nickel conductive sheet one embodiment of the present invention with female plug.
Fig. 9 is the dimensional structure diagram of conductive sleeve one embodiment of the present invention.
Figure 10 is the stereochemical structure decomposing schematic representation of conductive sleeve shown in Fig. 9.
Figure 11 is the floor map of conductive sleeve shown in Fig. 9.
Figure 12 is sectional view of the conductive sleeve shown in Figure 11 along line A-A.
Figure 13 is the structure diagram of the sleeve of conductive sleeve shown in Figure 10.
Figure 14 is sectional view of the sleeve shown in Figure 13 along line B-B.
Figure 15 is the dimensional structure diagram of conductive core one embodiment of the present invention.
Figure 16 is the stereochemical structure decomposing schematic representation of conductive core shown in Figure 15.
Figure 17 is the floor map of conductive core shown in Figure 15.
Figure 18 is sectional view of the conductive core shown in Figure 17 along line A-A.
Figure 19 is the floor map of the core cylinder of conductive core shown in Figure 16.
Figure 20 is sectional view of core cylinder shown in Figure 19 along line B-B.
Figure 21 is the dimensional structure diagram of connection structure one embodiment of battery module of the present invention.
Figure 22 is the stereochemical structure decomposing schematic representation of the connection structure of battery module shown in Figure 21.
Figure 23 is the floor map of the connection structure of battery module shown in Figure 21.
Figure 24 is the connection structure of battery module shown in Figure 23 along the sectional view of line A-A.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing.It should be noted that in the feelings not conflicted
Under condition, the feature in embodiment and embodiment in the present invention can be mutually combined.
The embodiment of the present invention is by taking vehicle mounted dynamic battery case as an example, including babinet and positioned at the in vivo battery modules of case, electricity
Pond module includes multiple stacked modular cartridges, and multiple battery cores (i.e. battery cell) and at least one conductive electricity are housed in modular cartridge
Core (i.e. battery module connection structure, for being electrically connected with adjacent battery modules).Modular cartridge includes upper cover and lower cover, and upper cover is under
Outer side of lid snaps connection conductive sheet and insulation board respectively.Modular cartridge each side there are two slot, for being caught in when in groups
Strip is correspondingly provided with and the matched nose bar of strip in slot.The top margin of modular cartridge is also each, and there are two slots for blocking when in groups
Enter strip, and the fixed signal collection plate on strip.Cupro-nickel conductive sheet is fixed with tower spring in advance, folds into top margin slot, signal is adopted
Collection plate is contacted with after strip card entry slot with tower spring, realizes electrical connection.
As illustrated in fig. 1 and 2, the power battery box of one embodiment of the invention, includes in general manner：Babinet 1, battery modules
2 and strip 3.
Multiple battery modules being fixedly installed side by side form battery modules 2, and battery module is equipped with multiple battery cores, battery mould
Group 2 is disposed side by side in babinet 1；The locking of battery module 2 is integrally fixed by strip 3.Battery module 2 is to have included at least module
Box, battery core, conductive core, conductive sheet, the overall structure of insulating trip.
As shown in Figure 3 and Figure 4, the modular cartridge of a kind of battery module 2 of the invention, including：Upper cover 21 and lower cover 22；Upper cover
21 are formed with the upper groove body 211 of more than one installation battery core 106；Lower cover 22 is formed with corresponding with upper groove body 211 for installing
The lower groove 221 of battery core；Upper cover 21 and lower cover 22 are fastened togather.Wherein, one or more conductive electricity can be installed in groove body
Core.
Be formed in upper cover 21 protrusion buckle 231, block tongue 232 is formed on lower cover 22, offered on block tongue 232 with
The card slot 233 that buckle 231 is adapted.Upper cover 21 and lower cover 22 are fastened on by the card slot 233 on buckle 231 and block tongue 232
Together.Wherein, the position of buckle and block tongue can exchange；The mode of engaging is not limited to the buckle, block tongue and card slot of the present embodiment；
It can also be the detachable fixed form outside engaging between upper and lower covers.
The outside (i.e. the upper surface of upper cover) of upper cover 21 is provided with the upper conductive sheet 241 of connection 106 1 lateral electrode of battery core, under
The outside (i.e. the lower surface of lower cover) of lid 22 is provided with the lower conductive sheet 242 of connection 106 another lateral electrode of battery core.Upper conductive sheet
241 outsides (upper surface of i.e. upper conductive sheet) are covered with insulating trip 251, and the following table of conductive sheet (is descended in lower 242 outside of conductive sheet
Face) it is covered with lower insulating trip 252.Wherein, conductive sheet is used to implement the connection in series-parallel between multiple battery cores, and insulating trip is used for multiple
Module avoids conductive sheet from contacting with each other after being stacked, therefore is configured at least be completely covered the size of conductive sheet, figure
In covered by insulating trip due to conductive sheet, its edge is only shown.
In the present embodiment, conductive sheet is by multiple fastener /Vs at upper cover and lower cover lateral surface edge in upper cover and lower cover
On, and be welded and fixed and be connected with the positive or negative pole of battery core in modular cartridge, insulating trip is also by upper cover and lower cover lateral surface edge
Multiple fastener /Vs in upper cover and lower lid.
In order to realize the series connection of modules in battery modules, multiple positions are further opened on conductive sheet and insulating trip and are corresponded to
The through hole (the present embodiment be 6, as shown in Figure 3,4) passed through for conductive core, conductive core can be configured to battery core
Shape is arranged in upper groove body and lower groove, is electrically connected with the conductive core in adjacent block by conduct piece, so as to fulfill
Access between module and module.
The inside of lower cover 22 or surrounding are also formed with the pillar 26 of support upper cover 21 upwards, and even support work is played to upper cover 21
With, while these pillars are hollow, place space can also contribute to preventing cell area from overheating.Wherein, pillar can have
It is multiple, the pillar that including but not limited to plays a supportive role only against upper cover, top set fastener and with upper cover corresponding site card
That closes acts pillar being detachably fixed etc..
The surrounding side of upper cover 21 and lower cover 22 is formed with multiple grooves 27, when being stacked including being used for multiple battery modules
The positioning groove of lower positioned in alignment and the strip groove that fixing strip is caught in after being stacked for multiple battery modules, wherein, card
Nose bar 271 is formed in groove, to be connected together with the strip with card hole.
Fig. 5-8 shows the embodiment of conductive sheet of the present invention.
As shown in figure 5, conductive sheet includes matrix 41, described matrix 41 passes through welding, such as Laser Welding by copper bar and nickel sheet
It connects and is composed.Multiple through holes 42 (as shown in Figure 6), the through hole 42 and the electricity being arranged in modular cartridge are offered on matrix 41
Core (not shown) corresponds.
Fig. 6 is the close-up schematic view of region A in Fig. 5, shows the structure of a through hole 42.Shape in described matrix 41
Into the strip flange 43 having in through hole 42, strip flange 43 is extended by nickel sheet, preferably prolonged to through hole center
It stretches, strip flange 43 is arranged symmetrically in through hole 42, and arc groove is respectively formed with the junction of described matrix 41.The strip
Flange 43 is used to be electrically connected with the positive and negative anodes formation of battery core by modes such as welding, and the end of each strip flange 43 has two
A salient point 44 (as shown in Figure 6), 4 salient points 44 of through hole center are configured to towards battery core positive and negative anodes surface bulge, into
To be soldered to the contact that is electrically connected of battery core positive and negative anodes.
The strip hole 45 along the length direction extension of the strip flange 43 can also be offered on the strip flange 43,
To reduce the intensity of strip flange, the end salient point of strip flange is made to be easier to be compacted and be fitted in battery core positive and negative anodes surface；Together
When, if there is current overload, the strip flange for being provided with strip hole is easier to fuse, and improves security；Further, since it is provided with length
Hole, welding current are small by scattered area, it is easier to concentrate on 4 salient points 44.
Wherein, salient point can be by being stamped to form, and raised height is preferably 0.2-0.4mm, and diameter is preferably 1-
1.5mm, in order to process and ensure the electrical connection after welding.Strip hole can have there are one straight section, so that strip flange is formed
Two sections of parallel straight-arms, straight-arm both sides are rectilinear form, are easier to fuse at straight-arm during ensuring current overload.
In order to adapt to electrical connection between cupro-nickel conductive sheet or be electrically connected with signal acquiring board, cupro-nickel conductive sheet can wrap
Many different forms are included, for example, being attached on some copper bars equipped with conductive sleeve and conductive core, leading between completion module
Electricity；Conductive column on some copper bars is housed, is realized on some copper bars equipped with conductive column sleeve, the two loaded on adjacent block between module
It is conductive；It is attached on some copper bars equipped with female plug and harness head, is fixed with tower spring, realization and signal on some copper bars in advance
The electrical connection of collection plate.
Fig. 7 is the structure diagram of the cupro-nickel conductive sheet one embodiment of the present invention with conductive sleeve.Wherein, reference numeral
7 represent tower spring, and reference numeral 5 represents conductive sleeve.
Tower spring 7, which is mounted on, to be extended outwardly from matrix 41 and in the bent sheet 47 bent perpendicular to the direction of matrix 41.Institute
It states bent sheet 47 to fold into the top margin slot of modular cartridge, with the contact point being preset on signal acquiring board, such as tower spring, conductive disk
Deng contact, realization cupro-nickel conductive sheet is electrically connected with signal acquiring board, temperature signal, voltage signal for power battery etc.
Acquisition.
Conductive sleeve 5 is mounted on the extension piece 46 that matrix 41 extends outward, and including conducting sleeve and is built in conductive sleeve
Conductive spring in cylinder, and realized by conductive core and be electrically connected with conductive sleeve in another module, and then between realization module
It is conductive.The conduction spring can be the loop configuration being coiled by conductive coil, flexible, and electrical connection can be kept when jolting.Its
In, which can be arranged on the position of some battery core in battery module, and its one end can be configured to and conductive sleeve
Be connected, the other end can be configured to be connected with an individual conductive sleeve, the individual conductive sleeve other end also with another
Conductive core on battery module is connected, and pass through the conductive sleeve on another battery module realize two modules between be electrically connected
It connects.
Fig. 8 is the structure diagram of the cupro-nickel conductive sheet one embodiment of the present invention with female plug.Wherein, reference numeral 7
Represent tower spring, reference numeral 9 represents female plug.
The dependency structure of tower spring 7 is with functioning as described above.Female plug 9 is arranged on the projecting piece of matrix 41, a battery module
Female plug 9 with a pair of of positive and negative anodes.Female plug 9 realizes the electrical connection between two battery modules or battery for being inserted into harness head
Being electrically connected between module and high-pressure modular.The harness head (not shown), including shell, plug, connector assembly, holddown spring and
Conductive spring is inserted into female plug 9 and realizes electrical connection.
In another embodiment, the conductive column set on the bottom surface conductive sheet of a battery module equipped with downward, phase
Equipped with the conductive column sleeve that sets downwards on the top surface conductive sheet of adjacent underlying battery module, leading between module is realized in the two socket
Electricity.Wherein, conducting sleeve and its interior conductive spring are included in conductive column sleeve.
Fig. 9-14 shows the embodiment of conductive sleeve of the present invention, and a component of the conductive sleeve as conductive core, two adjacent
The conductive core of battery module be socketed respectively with conductive sleeve, realize the electrical connection of the two battery modules.
As shown in Fig. 9-14, conductive sleeve 5 includes a sleeve 52, which includes the casing 521 of a tubulose, the casing
The spacing ring 522 of an annular is equipped in the middle part of 521 outer wall, the inner wall both ends of the casing 521 are respectively equipped with a conduction by annular
The conductive annular groove array and a closure gasket groove array being made of the first closure gasket groove 524 of annular that annular groove 523 forms, the conduction
The conductive spring 53 of a separable annular is respectively equipped in annular groove 523, it is separable that one is respectively equipped in first closure gasket groove 524
Annular the first sealing ring 54.Wherein, conductive spring is preferably interference fitted with conductive annular groove, the first sealing ring and the first sealing
Annular groove is preferably interference fitted.
The sleeve 52 is copper into first sealing ring 54 is made of rubber, which is silver-plated spring.
In use, both ends can be socketed two conductive cores, conductive core includes the conductive core in a core cylinder and core cylinder, set
Core is in contact with the conductive spring in conductive sleeve when connecing.The spacing ring of sleeve outer wall is used for the conductive core end of /V both ends socket
Edge.
In use, as shown in figure 14, the inner wall both ends of casing 521 are respectively equipped with 523 and one sealing ring of a pair of conductive annular groove
Slot 524, certainly, the quantity of conductive 523 and first closure gasket groove 524 of annular groove can increase and decrease as needed.Carrying out battery connection
When, due to the conductive elasticity of of spring 53 itself, being preferably arranged to the loop configuration being coiled by conductive coil, (conductive coil is along ring
Shape path is wound), conductive coil forms annular hollow passage, therefore can be compressed when being subject to external force, deformation so that even if
In the environment of jolting, the opposite electrical connection slided, will not influence the two occurs for the core of conductive core and conductive spring, improves two
The trackability axially and radially of person, phenomena such as will not powering off, strike sparks, connection is reliable, highly practical.
Figure 15-20 shows the embodiment of conductive core of the present invention, and a component of the conductive core as conductive core, two adjacent
The conductive core of battery module be socketed respectively with conductive sleeve, realize the electrical connection of the two battery modules.
As shown in Figure 15 to Figure 20, conductive core 6 includes a core cylinder 62 and a core 63.The core cylinder 62 includes a cylindrical shape
Cylinder 621, the inner wall both ends of the cylinder 621 are respectively equipped with a closure gasket groove battle array being made of the second closure gasket groove 622 of annular
Row, are respectively equipped with separable second sealing ring 64 in second closure gasket groove 622, which includes one columned the
One core 631, the both ends of first core 631 are respectively equipped with columned second core 632, second core 632 it is straight
Footpath is less than first core 631, and the diameter of first core 631 and the internal diameter of the cylinder 621 are adapted, second core 632
The internal diameter of diameter and second sealing ring 64 be adapted, wherein, the second sealing ring with the second closure gasket groove preferably match somebody with somebody by interference
It closes, and is preferably interference fitted with the second core.
The both ends of the cylinder 621 are respectively equipped with a horn-like card interface 623, facilitate core 63 and conductive sleeve casing 521
Grafting operation.Sealing ring is preferably interference fitted with closure gasket groove, and is preferably interference fitted with the second core.
The core 63 is copper into second sealing ring 64 is made of rubber.
In use, the either end of conductive core can be socketed a conductive sleeve, conductive sleeve inner wall has a conductive spring, second during socket
Core 32 is in contact with the conductive spring in conductive sleeve.
In use, the conductive core regards a battery, in hamper, play the role of conductive path.As shown in figure 18, make
Two the second sealing rings 64 are directly respectively clamped into corresponding closure gasket groove 622 by user, and the inner wall of the second sealing ring 64 is tight
The outer wall of the second core 632 of core 63 is pasted, the sealing of the inside to core 63 is realized, prevents the erosion of extraneous steam, effect
Substantially, it is highly practical.
Certainly, the quantity of closure gasket groove 622 can be increased and decreased as needed, to adapt to different working environments.
Figure 21-24 shows the embodiment of battery module connection structure (i.e. conductive core) of the present invention.
As shown in FIG. 21 to 24, which includes conductive sleeve 5 and conductive core 6, conductive core 6 and 5 grafting of conductive sleeve
Connection.
It is described below and how to use the connection structure.
As shown in figure 23 and figure 24, between a conductive sleeve 5 being placed in two connected conductive cores 6, directly core 63 is inserted into
Into corresponding casing so that the second core 632 and a pair of conductive spring 53 of core 63 are in close contact, the first sealing ring 54 and
Two sealing rings 64 form double sealing structure.Wherein, the internal-and external diameter of conductive spring 53 respectively with 521 inner wall of casing, the second core 632
Outer wall is interference fitted so that the conductive spring 53 after assembling is clamped；The internal-and external diameter of first sealing ring 54 respectively in casing 521
Wall, 632 outer wall of the second core interference fit so that the first sealing ring 54 after assembling is clamped；Second sealing ring 64 it is inside and outside
Footpath is interference fitted respectively with 632 outer wall of the second core, 621 inner wall of cylinder so that the second sealing ring 64 after assembling is clamped.Dress
After matching somebody with somebody, patch is supported in spacing ring both ends by the end of two core cylinders respectively.
On the other hand, as shown in Figure 18 and Figure 20, there is the protrusion of 621 inner wall of cylinder at the both ends of closure gasket groove 622, make close
The rear and front end of seal 64 is limited in closure gasket groove 622, and caused benefit includes：Since outer end is limited, so as to
It props up the first core and is wider than end that the second core formed along bulge loop, by core axial limiting in core cylinder, but with certain
Axial buffer displacement；First core is preferably clearance fit with cylinder, using sealing ring core can be realized in core
Certain radial direction buffer displacement amount in cylinder during conductive sleeve and conductive core assemble, can be completely aligned in the two
In the case of can also realize socket, certain conductive sleeve and conductive core preferably can set inclined-plane to be clamped in the interface to socket-connect
Mouthful, such as the card interface 623 in Figure 20.In other embodiments, the first core can be also interference fitted with core cylinder with /V.
The conductive sleeve, core, conductive spring of the present embodiment are conductive material, and by the conductive spring at conductive sleeve both ends, two are led
The core of battery core can realize electrical connection.The conductive spring 53 of the present embodiment be configured to have elasticity, be preferably arranged to by
The loop configuration (conductive coil is wound along circular path) that conductive coil is coiled into, conductive coil form annular hollow passage, therefore
It can be compressed when being subject to external force, deformation so that even if in the environment of jolting, core 63 occurs to slide relatively with conductive spring 53
It is dynamic, the electrical connection of two adjacent conductive core N will not be influenced, the trackability axially and radially of the two is improved, will not occur
Phenomena such as power-off, sparking, connection is reliable.
It needs, the quantity of the first sealing ring 54, the second sealing ring 64 and conductive spring 53 can carry out as needed
Increase and decrease, array described in the present embodiment refer to be formed by more than two associated components are arranged in parallel.The entirety of conductive sleeve and conductive core
Structure and interior details structure are also not necessarily limited to circular or square etc. structures, at this point, the detailed structures such as conductive spring can be
Fang Huanzhuan.Conductive spring 53 is also not limited to the spring structure of annular, the conducting elements that others can also be used elastic, such as
The reed of strip or conducting sphere that multigroup elasticity is set on the inner wall of casing 521 etc. are set on the inner wall of casing 521.
As long as in short, the conducting element can keep the close contact of elasticity with core 63.
Sleeve in the present embodiment and core can be copper into the first sealing ring and the second sealing ring can be rubber system
Into conductive spring can be silver-plated spring.
The connection structure of the present embodiment can be made into the shape of battery cell and be mounted in the groove body of modular cartridge, use
Electrical connection between the battery module case that two are made of battery cell can be used for being electrically connected for other structures in battery case
It connects.
The electric connection mode of the battery module of the present invention can be but be not limited to：The battery groove body in modular cartridge is drawn in advance
Be divided into multiple regions, the battery cell positive and negative anodes in each region towards consistent, by two panels conductive sheet respectively in this region
The anode and cathode of all battery cells are welded to connect, and form the parallel-connection structure of these battery cells, then by the way that homonymy is adjacent
The setting of two panels conductive sheet is integrated that (conductive sheet of such as Fig. 5, left area connect the anode of multiple batteries, and right half area connection is more
The cathode of a battery) or conducting, the series connection between multiple parallel-connection structures is formed, so as to by the battery cell in battery module really
It is electrically connected.Entire battery module can draw a positive terminal and a negative pole end, the conduction that can be stretched out by conductive sheet
Column, conductive column sleeve, conductive sleeve, female plug etc. are used as positive terminal or negative pole end, such as two adjacent battery modules it is positive and negative extremely in phase
Ortho position is put, and can realize series connection by a pair of conductive column and conductive column sleeve；If not in adjacent position (respectively positioned at the upper of modular cartridge
Lower both sides), it can be realized and connected by the connection structure of conductive sleeve and conductive core.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for art technology
For personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (30)
1. a kind of power battery module, including modular cartridge and battery core, it is characterised in that：
More than one is formed in the modular cartridge for installing the groove body of battery core；
The upper and lower side of the modular cartridge be respectively arranged with the upper conductive sheet that is electrically connected the battery core side electrode and lower lateral electrode and
Lower conductive sheet；
Insulating trip is covered with respectively on the outside of the upper conductive sheet and lower conductive sheet.
2. power battery module as described in claim 1, it is characterised in that：
The modular cartridge includes upper cover and lower cover；
The groove body includes upper groove body and lower groove；
The upper groove body is formed in the upper cover；
The lower groove is formed in the lower cover, and corresponding with the upper groove body, for installing the battery core；
The upper cover and lower cover are releasably secured together.
3. power battery module as claimed in claim 2, it is characterised in that：
The upper cover and lower cover are connected together by fastener.
4. power battery module as claimed in claim 3, it is characterised in that：
The fastener includes the buckle formed and the block tongue formed on the lower lid on the upper lid, on the block tongue
It offers and the card slot for being buckled and being adapted.
5. power battery module as claimed in claim 2, it is characterised in that：
At least one pillar for being used to support and/or being detachably fixed upper cover is formed on the lower lid.
6. power battery module as claimed in claim 2, it is characterised in that：
The surrounding side of the upper cover and lower cover is formed with multiple grooves.
7. power battery module as claimed in claim 6, it is characterised in that：
The multiple groove includes positioning groove and/or strip groove, and nose bar is formed in the strip groove.
8. power battery module as claimed in claim 2, it is characterised in that：
The outside of the upper cover set the upper conductive sheet, the outside lower conductive sheet of the lower cover, and upper conductive sheet and
Lower conductive sheet is respectively by multiple fastener /Vs of upper cover and lower cover outer ledge in upper cover and lower lid.
9. power battery module as claimed in claim 8, it is characterised in that：
The upper conductive sheet outboard cover is equipped with upper insulating trip, and the lower conductive sheet outboard cover is equipped with lower insulating trip, the upper insulation
Piece and lower insulating trip are completely covered the upper conductive sheet and lower conductive sheet respectively, and pass through upper cover and lower cover outer ledge respectively
Multiple fastener /Vs are in upper cover and lower lid.
10. power battery module as claimed in claim 9, it is characterised in that：
The corresponding through hole in position is further opened on the upper conductive sheet, lower conductive sheet, upper insulating trip and lower insulating trip.
11. the power battery module as described in claim 1 or 8, it is characterised in that：
The conductive sheet includes matrix, and described matrix is grouped together by copper bar and nickel sheet；If it is offered in described matrix
Dry through hole is formed in described matrix for the strip flange of electrical connection in through hole, and the strip flange is by the nickel sheet
Extend.
12. power battery module as claimed in claim 11, it is characterised in that：
The end of the strip flange is equipped with the salient point of protrusion.
13. power battery module as claimed in claim 12, it is characterised in that：
The strip hole extended along the strip flange length direction is offered on the strip flange, each strip flange
End sets there are two salient point and is located at strip hole both sides respectively.
14. power battery module as claimed in claim 13, it is characterised in that：
The strip hole has straight section, and the strip flange forms two sections of parallel straight-arms.
15. power battery module as claimed in claim 14, it is characterised in that：
The salient point is configured to positioned at the center of through hole, and the height of projection of the salient point is 0.2-0.4mm, a diameter of
1-1.5mm。
16. power battery module as claimed in claim 15, it is characterised in that：
The junction of the strip flange and described matrix is formed with arc groove.
17. the power battery module as described in claim 1 or 11, it is characterised in that：
The conductive sheet includes matrix, and conductive conductive column, conductive column sleeve, conductive sleeve, female plug, tower spring are provided in described matrix
In it is at least one.
18. power battery module as claimed in claim 17, it is characterised in that：
The tower spring, which is arranged on from matrix, to extend outwardly and in the bent sheet bent perpendicular to the direction of matrix.
19. power battery module as claimed in claim 17, it is characterised in that：
The conduction column sleeve and/or conductive sleeve include conducting sleeve and its interior conductive spring.
20. power battery module as claimed in claim 17, it is characterised in that：
The conductive sleeve forms power battery connection structure with conductive core；One or more elastic conductions are equipped in the conductive sleeve
Part；The conductive core includes the conductive core in a core cylinder and core cylinder；The core is separably socketed with conductive sleeve, and
The core is in contact with the resilient conductive element during socket.
21. power battery module as claimed in claim 20, it is characterised in that：
The core and conductive sleeve when being socketed the external wall of the resilient conductive element core and conductive sleeve inner wall clamp.
22. power battery module as claimed in claim 21, it is characterised in that：
The inner wall of the conductive sleeve is equipped with one or more conductive annular grooves, and the resilient conductive element is arranged on the conductive annular groove
It is interior, and the resilient conductive element is interference fitted with the conductive annular groove.
23. the power battery module as described in claim 20-22 is any, it is characterised in that：
The resilient conductive element is ring shaped conductive spring.
24. the power battery module as described in claim 20-22 is any, it is characterised in that：
The conductive sleeve includes a sleeve, and the sleeve includes sleeve, the both ends inner wall of described sleeve pipe be respectively equipped with one or
Multiple resilient conductive elements.
25. power battery module as claimed in claim 24, it is characterised in that：
The inner wall of the conductive sleeve is equipped at least one first closure gasket groove, and first closure gasket groove is located at the elastic conducting
Between the opening of electric part and conductive sleeve socket core, the first sealing ring is equipped in first closure gasket groove.
26. power battery module as claimed in claim 24, it is characterised in that：
The outer wall in described sleeve pipe centre position is additionally provided with the spacing ring of an annular.
27. the power battery module as described in claim 25 or 26, it is characterised in that：
The core includes the first core and its second core at both ends, and the diameter of second core is less than the first core, institute
The internal diameter for stating the diameter and the cylinder of the first core is adapted, the casing socket connection of second core and conductive sleeve.
28. power battery module as claimed in claim 27, it is characterised in that：
The core cylinder includes cylinder, the both ends inner wall of the cylinder and to be respectively equipped at least one second in the second core outer wall close
Seal.
29. power battery module as claimed in claim 28, it is characterised in that：
The cylinder inboard wall of the intersection of first core and the second core is equipped with the second closure gasket groove, second closure gasket groove
Both ends have the protrusion of cylinder inboard wall, second sealing ring is limited in second closure gasket groove.
30. a kind of power battery box, which is characterized in that including：
Babinet；
Battery modules are placed in the babinet, including it is multiple be fixedly installed side by side as described in claim 1-29 is any
Battery module.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611032443.4A CN108075051B (en) | 2016-11-16 | 2016-11-16 | Power battery module and power battery box with same |
| CN202110768413.4A CN113675515A (en) | 2016-11-16 | 2016-11-16 | Conducting strip, power battery module and power battery box |
| CN202110768422.3A CN113675516B (en) | 2016-11-16 | 2016-11-16 | Conducting strip, power battery module and power battery box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611032443.4A CN108075051B (en) | 2016-11-16 | 2016-11-16 | Power battery module and power battery box with same |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110768413.4A Division CN113675515A (en) | 2016-11-16 | 2016-11-16 | Conducting strip, power battery module and power battery box |
| CN202110768422.3A Division CN113675516B (en) | 2016-11-16 | 2016-11-16 | Conducting strip, power battery module and power battery box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108075051A true CN108075051A (en) | 2018-05-25 |
| CN108075051B CN108075051B (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110768413.4A Pending CN113675515A (en) | 2016-11-16 | 2016-11-16 | Conducting strip, power battery module and power battery box |
| CN202110768422.3A Active CN113675516B (en) | 2016-11-16 | 2016-11-16 | Conducting strip, power battery module and power battery box |
| CN201611032443.4A Active CN108075051B (en) | 2016-11-16 | 2016-11-16 | Power battery module and power battery box with same |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110768413.4A Pending CN113675515A (en) | 2016-11-16 | 2016-11-16 | Conducting strip, power battery module and power battery box |
| CN202110768422.3A Active CN113675516B (en) | 2016-11-16 | 2016-11-16 | Conducting strip, power battery module and power battery box |
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Cited By (2)
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| CN109004167A (en) * | 2018-06-15 | 2018-12-14 | 宁德时代新能源科技股份有限公司 | Battery module |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114284616A (en) * | 2021-12-31 | 2022-04-05 | 苏州科易新动力科技有限公司 | Welding-free battery module |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN113675516B (en) | 2024-02-13 |
| CN113675515A (en) | 2021-11-19 |
| CN108075051B (en) | 2021-07-23 |
| CN113675516A (en) | 2021-11-19 |
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