CN106169549B - A kind of battery module - Google Patents
A kind of battery module Download PDFInfo
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- CN106169549B CN106169549B CN201610856377.6A CN201610856377A CN106169549B CN 106169549 B CN106169549 B CN 106169549B CN 201610856377 A CN201610856377 A CN 201610856377A CN 106169549 B CN106169549 B CN 106169549B
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- battery module
- busbar
- main electrode
- electrode busbar
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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
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
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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
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/317—Re-sealable arrangements
-
- 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
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/579—Devices or arrangements for the interruption of current in response to shock
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
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- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a kind of battery modules, and including the battery pack with multiple single battery units arranged side by side, loom plate is arranged in the top of the battery pack, and electrode tip is arranged at the top of the single battery unit；The loom plate has with for the isolation channel that main electrode busbar is connected with the electrode tip and positions the main electrode busbar, and the loom plate also sets up the fixing end to the fixation main electrode busbar.Above-mentioned battery module helps to realize the operation stability of battery module so that the dynamic property of battery module, economy and safety have a degree of promotion.
Description
Technical field
The present invention relates to battery technology field, in particular to a kind of battery module.
Background technique
Increasingly serious due to environment and energy problem at present, electric car, hybrid vehicle have become low-carbon environment-friendly
The development trend of the type vehicles.With the rapid development of electric vehicles, the electricity as the major impetus source of new-energy automobile
Pond module is also constantly updating.Under the premise of guaranteeing that battery module is safe and stable, it is power that its energy density, which is continuously improved,
The target that battery industry is pursued always.
In the prior art, the electrode tip material of lithium single battery is generally copper aluminium material material or aluminium aluminum material, monomer electricity
Pond forms battery module by series-parallel form, and battery module main electrode end lead-out mode is that main electrode tip and aluminum material are conductive
Row is connected, then carries out extraction and output end by one copper product busbar of ultrasonic bonding on the surface of aluminum material busbar
Son is connected.This mode welding procedure is complicated, and used device is at high cost and working efficiency is low, while copper product busbar own cost
Height, quality is big, not only increased the overall cost of power battery module by this method but also reduced the energy density of battery module.
In addition to this, from the security consideration of module entirety, unpredictable fortuitous event is had sometimes and is generated, to make
The safety valve of single battery is opened, from single battery inside spray the gas of high heat, if these high heat gases can not and
When discharge be likely to result in the global failure of entire module.
Summary of the invention
The object of the present invention is to provide a kind of battery module, which can solve the power performance of existing battery
Difference, economy and the not high problem of safety.
To achieve the above object, the present invention provides a kind of battery module, including with multiple single batteries arranged side by side
The battery pack of unit, the top of the battery pack are arranged loom plate, electrode tip are arranged at the top of the single battery unit；Institute
State loom plate have with for main electrode busbar is connected with the electrode tip and by the main electrode busbar position
Isolation channel, the loom plate also set up the fixing end to the fixation main electrode busbar.
Relative to above-mentioned background technique, battery module provided by the invention mainly includes battery pack, and battery pack has multiple
Single battery unit arranged side by side；Loom plate is set to the top of battery pack；For every single battery unit, setting
There is electrode tip；Electrode tip is specially that positive electricity end and negative electricity are extreme；Main electrode busbar is specifically main positive electrode busbar and master
Negative electrode busbar；And main positive electrode busbar it is series-parallel with every battery unit after main positive electricity end be connected, main negative electrode
Main negative electricity after busbar is series-parallel with every battery unit is extremely connected；And main positive electrode busbar passes through insulated wire respectively
The isolation channel of beam plate and the fixing end for being set to loom plate are fixed, in the effect of both isolation channel and fixing end
Under, realize that positive electrode busbar and the relative position of loom plate are fixed；So, it just can be avoided vehicle running over
The occurrence of main electrode busbar in journey because jolting, caused by the factors such as upheaval loosens；It is solid using isolation channel and fixing end
Fixed main positive electrode busbar and main negative electrode busbar, are utilized the space of loom plate, and do not significantly improve production
Cost helps to realize battery mould so that the dynamic property of battery module, economy and safety have a degree of promotion
The operation stability of block.
Preferably, the copper aluminium material matter that the main electrode busbar is integrally formed, and upper layer is layers of copper, lower layer is aluminium layer.
Preferably, the electrode through-hole to position with the electrode tip is arranged in the main electrode busbar, and the electrode is logical
Groove is arranged in the periphery in hole, and the depth of the groove is greater than or equal to the copper layer thickness.
Preferably, safety valve is also set up at the top of the single battery unit, the loom plate, which has, covers the peace
The exhaust outlet gas to be discharged is arranged in the air guide channel of full valve, the both ends of the air guide channel.
Preferably, the silicon-carbon compound resin plate matter that the loom plate and the air guide channel are integrally formed.
Preferably, the paste section to connect the two is set between two of the arbitrary neighborhood single battery units.
Preferably, insulating trip is also set up between two of the arbitrary neighborhood single battery units, the two of the insulating trip
The paste section is respectively set in face.
Preferably, to include by lower further include the fixing end from the lower bottom base above set gradually, the seat of honour and shank of bolt and institute
State the nut of shank engagement；The lower bottom base forms convex with the installation through slot cooperation of the loom plate with the seat of honour
Platform, the main electrode busbar are arranged to the bolt hole with the shank engagement.
Preferably, the installation through slot also sets up the hook below the lower bottom base to the fixation lower bottom base.
It preferably, further include being connected with the shank of bolt and nut cooperation, to realize with the main electrode busbar
And fixed output terminal connection sheet.
It preferably, further include with the main electrode busbar by ultrasonic bonding and to the pcb board of collection voltages,
The main electrode busbar and the pcb board are welded using aluminium wire.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the structural schematic diagram of battery module provided by the embodiment of the present invention；
Fig. 2 is the explosive view of the battery module in Fig. 1；
Fig. 3 is the structural schematic diagram of battery pack in Fig. 1；
Fig. 4 is the enlarged drawing at the position A in Fig. 1；
Fig. 5 is the structural schematic diagram at the positive electricity end position of loom plate in Fig. 1；
Fig. 6 is the structural schematic diagram of the air guide channel of loom plate in Fig. 1；
Fig. 7 is the structural schematic diagram of positive electrode busbar in Fig. 1；
Fig. 8 is the side view of positive electrode busbar in Fig. 7；
Fig. 9 is the structural schematic diagram of fixing end in Fig. 1；
Figure 10 is the cross-sectional view that fixing end is connect with loom plate in Fig. 1；
Figure 11 is positive electrode busbar and the schematic diagram after pcb board welding in Fig. 1.
Wherein:
1- battery module, 10- insulating end plate, 11- metal side plate, 12- insulating trip, the paste section 13-, 14- insulating film, 2- electricity
Pond group, 3- single battery unit, 301- negative electricity be extreme, 302- positive electricity end, 303- safety valve, 4- loom plate, the side 401-
Hole, 402- hook, 403- rib, 404- isolation channel, 405- installation through slot, 406- baffle, 407- air guide channel, 5- fixing end,
The seat of honour 501-, 502- lower bottom base, 503- shank of bolt, 6- main electrode busbar, 601- electrode through-hole, 602- groove, 603- bolt
Through-hole, 604- bending part, 7- output terminal connection sheet, 8- nut, 9- metal end plate, 15-PCB plate, 16- aluminium wire.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In order to make those skilled in the art more fully understand the present invention program, with reference to the accompanying drawing and it is embodied
The present invention is described in further detail for mode.
Fig. 1 to Figure 11 is please referred to, Fig. 1 is the structural schematic diagram of battery module provided by the embodiment of the present invention；Fig. 2 is figure
The explosive view of battery module in 1；Fig. 3 is the structural schematic diagram of battery pack in Fig. 1；Fig. 4 is the enlarged drawing at the position A in Fig. 1；Figure
5 be the structural schematic diagram at the positive electricity end position of loom plate in Fig. 1；Fig. 6 is the air guide channel of loom plate in Fig. 1
Structural schematic diagram；Fig. 7 is the structural schematic diagram of positive electrode busbar in Fig. 1；Fig. 8 is the side view of positive electrode busbar in Fig. 7；
Fig. 9 is the structural schematic diagram of fixing end in Fig. 1；Figure 10 is the cross-sectional view that fixing end is connect with loom plate in Fig. 1；Figure 11 is
Schematic diagram after positive electrode busbar and pcb board weld in Fig. 1.
Battery module 1 provided by the invention mainly includes that battery pack 2, loom plate 4, fixing end 5 and main electrode are conductive
Row 6；Main electrode busbar 6 is specifically main positive electrode busbar and main negative electrode busbar；Battery pack 2 has multiple be arranged side by side
Single battery unit 3；That is, multiple single battery units 3 stack on a preset direction, to form battery pack 2；Often
A single battery unit 3 is respectively provided with negative electricity extreme 301 and positive electricity end 302, and negative electricity extreme 301 is usually set with positive electricity end 302
It is placed in the top of single battery unit 3.
It is extreme that main negative electricity is formed between the negative electricity extreme 301 of multiple single battery units 3 after series-parallel, multiple monomers
Main positive electricity end is formed between the positive electricity end 302 of battery unit 3 after series-parallel；And main negative electricity extremely with main positive electricity end
It may be collectively referred to as main electrode end.That is, main electrode busbar 6 is connected with main electrode end, more specifically, main positive electrode is led
Electricity row is connected with main positive electricity end, and main negative electrode busbar is extremely connected with main negative electricity.
Negative electricity extreme 301 and positive electricity end 302 can be symmetrically disposed on the two sides at 3 top of single battery unit, and exhausted
The two sides of edge harness plate 4 are respectively provided with isolation channel 404 and fixing end 5, respectively to realize to main negative electricity extremely with main positive electricity end
Connection.
Loom plate 4 is set in the top of battery pack 2, isolation channel 404 and fixing end 5 is arranged in loom plate 4, and master is just
Electrodes conduct row is connected in the isolation channel 404 of two sides respectively with main negative electrode busbar, to realize main positive electrode busbar
It is fixed with the position of main negative electrode busbar；Isolation channel 404 up and down so that being connected in the master in the isolation channel 404 of side
Positive electrode busbar can be connected with main positive electricity end, be connected in main negative electrode busbar and master in the isolation channel 404 of the other side
Negative electricity is extremely connected；That is, isolation channel 404 is generally disposed at the surface of positive electricity end 302 Yu negative electricity extreme 301；When main positive electricity
Pole busbar and the isolation channel of side 404 cooperate, and after main negative electrode busbar and the cooperation of the isolation channel 404 of the other side, master is just
Electrodes conduct row can be in contact with main positive electricity end, and main negative electrode busbar can extremely be in contact with main negative electricity, thus real
Existing electric action.In addition to this, multiple and different electrodes conducts can also be arranged and is isolated by isolation channel 404, to avoid adjacent electricity
Pole busbar contacts with each other, and there is a situation where short circuits.
Both ends in isolation channel 404 in 3 orientation of single battery unit be provided with main positive electrode busbar and
The fixation rib 403 of main negative electrode busbar tight fit, in this way can be so as to be mounted on loom plate 4 in isolation channel 404
Main positive electrode busbar and main negative electrode busbar it is stronger, loosening will not be generated in 1 transport process of battery module
Phenomenon.
Fixing end 5 positioned at two sides is respectively intended to main positive electrode busbar and main negative electrode busbar being fixed on insulated wire
Beam plate 4, realization main electrode busbar 6 are fixedly connected with loom plate 4.That is, being realized using isolation channel 404 and fixing end 5
The fixation of main electrode busbar 6 and loom plate 4, and can be limited by fixed rib 403 and isolation channel 404, from
And main electrode busbar 6 loosens caused by being effectively reduced because of the factors such as jolt, and improves the operation stability of battery module.
For the material of main electrode busbar, by a large number of experiments, present invention preferably employs integrally formed copper aluminium material matter,
And upper layer is layers of copper, and lower layer is aluminium layer, instead of the existing busbar that copper material and aluminium material are welded as a whole, using one
Body formed set-up mode significantly reduces the production cost of battery module 1, and improves production efficiency and integral battery
The energy density of module.
As indicated above, main electrode busbar 6 is in contact with main electrode end, and reliable way is the most, and main electrode is conductive
6 setting electrode through-hole 601 of row, and square hole 401 is set in loom plate 4, the square hole of loom plate 4 is exposed at main electrode end
401 and it is connected with main electrode busbar, to realize the contact connectio of main positive electrode busbar and main electrode end, and in isolation channel
Under the action of 404 with fixing end 5, it is ensured that main positive electrode busbar and the relative position at main electrode end are fixed, and are exported to stablize
Electric current improves the operational reliability of battery module.
Groove 602 is set in the periphery of electrode through-hole 601, and the depth of groove 602 is greater than or equal to copper layer thickness.In this way
The purpose of setting is, so that aluminium layer is exposed to the surface of groove 602, in laser welding main electrode busbar 6 and electrode tip,
It can reduce welding difficulty；That is, the reduction of the 6 welding region thickness of removal and main electrode busbar of layers of copper can reduce welding function
Rate, enhancing weld strength, are easy to implement welding effect, and reduce welding equipment cost.
The top of each single battery unit 3 also sets up safety valve 303, and the pressure inside single battery unit 3 rises
When, the pressure inside single battery unit 3 can be discharged using safety valve 303, to promote security performance；Loom plate 4
Air guide channel 407 is set, and air guide channel 407 is covered in the top of safety valve 303, and row is arranged in the both ends of air guide channel 407
Port.
When the gas pressure in single battery unit 3 is higher to be needed to release stress, 303 are opened the safety-valve, gas is from peace
Full valve 303 is discharged, and under the water conservancy diversion of air guide channel 407, and gas is discharged from the both ends of battery module 1, it is ensured that battery pack 2 makes
With safety.
Usually, the length of air guide channel 407 is greater than the length of battery pack 2, this is because each single battery unit 3
It is respectively provided with safety valve 303, therefore in order to ensure effective discharge of gas, it is long that the both ends of air guide channel 407 are set to battery pack 2
The outside in direction is spent, the use to ensure battery module 1 is reliable.
Since the gas temperature discharged through safety valve 303 is higher, and gas need to be expelled to greatly by air guide channel 407
Gas, therefore the present invention passes through a large number of experiments, it is preferred to use silicon-carbon compound resin plate matter；That is, loom plate 4 and air guide channel
The 407 silicon-carbon compound resin plate matter being integrally formed；Silicon-carbon composite resin material is able to bear 1000 DEG C or more of temperature.When
Single battery unit 3 when encountering fortuitous event, open by the safety valve 303 of single battery unit 3, sprays a large amount of high heat gas
Body, loom plate 4 and air guide channel 407 as made by silicon-carbon composite resin material are able to bear the gas of these high heat
Body, and will not being deformed, while air guide channel 407 can be passed through in time again, make the gas of high heat be discharged battery module 1 to
In atmosphere, so as to avoid the global failure of battery module 1.
For the connection type before each single battery unit 3, deposited between two single battery units 3 of arbitrary neighborhood
In certain gap, stacked arrangement forms battery pack 2 to each single battery unit 3 in one direction；Two of arbitrary neighborhood
It is linked together between single battery unit 3 by paste section 13.Present invention preferably employs double-sided adhesives as paste section 13, and
Double-sided adhesive is only arranged at the marginal position of single battery unit 3；Meanwhile after the connection of whole single battery units 3, arbitrarily
Have the gap of produced deformation after can compensate for 3 bulging of single battery unit between two adjacent single battery units 3, is
The size that the bulging of single battery unit 3 generates reserves certain space compensation amount.
Two pieces of metal end plates 9 are located at the both ends of 2 stacking direction of battery pack；Between metal end plate 9 and battery pack 2 respectively
There are two insulating end plates 10 for setting；It is logical between insulating end plate 10 and battery pack 2 between metal end plate 9 and insulating end plate 10
It crosses and is pasted onto the paste section 13 (double faced adhesive tape can be used) at its binding face both ends and bonds together, both ensure that connection is strong in this way
Degree, and cost is reduced, it is also easy to disassemble, convenient for the recycling of later period battery module 1.
Between two single battery units 3 of arbitrary neighborhood, includes not only paste section 13, also set up insulating trip 12, two
A paste section 13 is respectively arranged at the two sides of insulating trip 12, and two paste sections 13 are also connect with two single battery units 3.
12 two sides of insulating trip is respectively provided with paste section 13, and the phase of two single battery units 3 is pasted onto using paste section 13
The both ends of proximal surface；When insulating trip 12 is set to the edge of single battery unit 3, the intermediate position of two single battery units 3
Then there are certain gaps；Bonding strength between single battery unit 3 not only can guarantee using this mode, but also be single battery list
The size that first 3 bulging generate reserves certain space compensation amount, and 3 bulging of single battery unit is avoided to make to generate one between single battery
Fixed pressure and the electrical property for influencing battery.
Two metal side plates 11 are located at the two sides of the battery pack 2 with metal end plate 9, and carry out with metal end plate 9
CMT welds (Cold Metal Transfer, cold metal transfer technology), makes the battery with metal end plate 9 and metal side plate 11
The structure of group 2 is stronger；Two metal side plates 11 can be set on one side with what the battery pack 2 with metal end plate 9 was bonded
One layer of insulating film 14, so as to enhance the insulation safety of battery module 1.
For the shape design of fixing end 5, the present invention provides following preferred embodiment.
Fixing end 5 by lower from above setting gradually lower bottom base 502, the seat of honour 501 and shank of bolt 503, nut 8 and shank of bolt 503
Cooperation.Form stair-stepping boss between lower bottom base 502 and the seat of honour 501, the installation through slot 405 of loom plate 4 can with it is convex
Platform matches, to realize the fixation of fixing end 5 Yu loom plate 4.
Bolt hole 603 is arranged in main electrode busbar 6, and bolt hole 603 can be passed through for shank of bolt 503, and pass through spiral shell
Mother 8 tightens, and main electrode busbar 6 is fixedly connected with fixing end 5, just realizes loom plate 4 in this way and main electrode is conductive
The connection of row 6.
Main electrode busbar 6 can be set into bending structure, two bending edges undertake respectively be connected with main electrode end and
The effect being connected with fixing end 5, and the first bending edges being connected with fixing end 5 are higher than the second bending being connected with main electrode end
Bending part 604 is arranged in side between the first bending edges and the second bending edges, smoothly transitted with realizing, promotes main electrode busbar 6
Reasonable structure, it is ensured that the normal operation of battery module.
In order to promote the fixation reliability of fixing end 5 Yu loom plate 4, card can be set below installation through slot 405
402 are hooked, hook 402 is located at the lower section of lower bottom base 502, is used to support lower bottom base 502, to realize the fixation of lower bottom base 502, in turn
Ensure that the position of fixing end 5 is fixed.
Shank of bolt 503 is installed on the installation through slot 405 of loom plate 4 by the seat of honour 501, makes screwed shank of bolt
503 be higher than installation through slot 405 surface, installation through slot 405 size match with the seat of honour 501, thus realization to the seat of honour 501 into
Row limit, prevents its rotation.The baffle 406 of installation 405 surrounding of through slot then covers lower bottom base 502, to realize to lower bottom base 502
Up and down direction limited；Respectively there are a hook 402 in installation 405 lower section two sides of through slot, and hook 402 fixes lower bottom base 502,
Keep fixing end 5 and the connection of loom plate 4 stronger.
Terminal connecting plate 7 is sheathed on shank of bolt 503, and realizes output end using the fastening effect of nut 8 and shank of bolt 503
Sub- connection sheet 7 is connected with main electrode busbar 6, while can also realize the fixation of 7 position of output terminal connection sheet, and then is promoted
The operation stability of battery module.
Main electrode busbar 6 and pcb board 15 are welded as a whole by the present invention in the way of ultrasonic bonding, and benefit
It is welded with aluminium wire 16, as shown in Figure of description 11.As can be seen that main electrode busbar 6 and pcb board 15 pass through aluminium wire 16
Welding, and main electrode busbar 6 is connect with loom plate 4, thus realize loom plate 4, main electrode busbar 6 and
The connection of 15 three of pcb board is reliable, and the pcb board 15 after welding can be realized and be acquired to the voltage of battery module.Such as
This setting helps to improve automated production, to reduce production cost.
Certainly, it should be noted that battery module of the invention not merely includes above-mentioned main electrode busbar 6, also
Including other busbars being arranged according to actual needs, the set-up mode of other busbars can refer to the prior art；Except this it
Outside, it can also be integrated by ultrasonic bonding between other busbars and pcb board 15, and be welded using aluminium wire 16, this
Text no longer excessively repeats.
Aluminium wire 16 of the present invention carries out the mode of ultrasonic bonding, and principle and ordinary ultrasonic welding are consistent,
It is the ultrasonic wave by supersonic generator, chopper is transferred to by energy converter, when chopper is contacted with lead and welded part,
Under the action of pressure and vibration, welding surface rubs mutually breaks epoxidation layer, and two metal coverings fit closely, and reaches atomic distance
From combination, ultimately form firm mechanical connection.
It should be noted that in the present specification, such as first and second etc relational terms are used merely to one
Entity is distinguished with other several entities, and without necessarily requiring or implying between these entities, there are any this actual
Relationship or sequence.
Battery module provided by the present invention is described in detail above.Specific case used herein is to this hair
Bright principle and embodiment is expounded, method of the invention that the above embodiments are only used to help understand and its
Core concept.It should be pointed out that for those skilled in the art, in the premise for not departing from the principle of the invention
Under, it can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the protection of the claims in the present invention
In range.
Claims (10)
1. a kind of battery module, which is characterized in that including the battery pack with multiple single battery units (3) arranged side by side
(2), loom plate (4) are arranged in the top of the battery pack (2), and electrode tip is arranged at the top of the single battery unit (3)；Institute
Stating loom plate (4) has with so that main electrode busbar (6) is connected with the electrode tip and by the main electrode busbar
(6) isolation channel (404) positioned, the loom plate (4) also set up the fixation to the fixation main electrode busbar (6)
It holds (5)；
Wherein, main negative electrode is formed after series-parallel between the negative electricity extreme (301) of multiple single battery units (3)
It holds, is forming main positive electricity end between the positive electricity end (302) of multiple single battery units (3) after series-parallel；It is main negative
Electrode tip and main positive electricity end are referred to as main electrode end；The main electrode busbar (6) is connected with the main electrode end, main positive electricity
Pole busbar is connected with the main positive electricity end, and main negative electrode busbar is extremely connected with the main negative electricity；
The fixing end (5) includes by lower from the lower bottom base above set gradually (502), the seat of honour (501) and shank of bolt (503), also
Including the nut (8) cooperated with the shank of bolt (503)；The lower bottom base (502) and the seat of honour (501) formed with it is described absolutely
The boss of installation through slot (405) cooperation of edge harness plate (4), the main electrode busbar (6) setting to the shank of bolt
(503) bolt hole (603) cooperated.
2. battery module according to claim 1, which is characterized in that the main electrode busbar (6) was integrally formed
Copper aluminium material matter, and upper layer is layers of copper, lower layer is aluminium layer.
3. battery module according to claim 2, which is characterized in that the main electrode busbar (6) setting to institute
The electrode through-hole (601) of electrode tip positioning is stated, groove (602) are arranged in the periphery of the electrode through-hole (601), and the groove
(602) depth is greater than or equal to the copper layer thickness.
4. battery module according to claim 1, which is characterized in that also set up peace at the top of the single battery unit (3)
Full valve (303), the loom plate (4) have the air guide channel (407) for covering the safety valve (303), and the air guide is logical
The exhaust outlet gas to be discharged is arranged in the both ends in road (407).
5. battery module according to claim 4, which is characterized in that the loom plate (4) and the air guide channel
(407) the silicon-carbon compound resin plate matter being integrally formed.
6. battery module according to claim 1, which is characterized in that the single battery unit of two of arbitrary neighborhood
(3) paste section (13) to connect the two is set between.
7. battery module according to claim 6, which is characterized in that the single battery unit of two of arbitrary neighborhood
(3) it is also set up between insulating trip (12), the paste section (13) are respectively set in the two sides of the insulating trip (12).
8. battery module according to claim 1, which is characterized in that the installation through slot (405) also sets up positioned at described
Hook (402) below lower bottom base (502) to the fixation lower bottom base (502).
9. battery module according to claim 1, which is characterized in that further include and the shank of bolt (503) and the spiral shell
Female (8) cooperation, the output terminal connection sheet (7) for being connected and fixing with the main electrode busbar (6) with realization.
10. battery module according to claim 1, which is characterized in that further include passing through with the main electrode busbar (6)
Ultrasonic bonding and to the pcb board of collection voltages (15), the main electrode busbar (6) and the pcb board (15) utilize aluminium
Silk (16) welding.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610856377.6A CN106169549B (en) | 2016-09-27 | 2016-09-27 | A kind of battery module |
| PCT/CN2016/108220 WO2018058781A1 (en) | 2016-09-27 | 2016-12-01 | Battery module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610856377.6A CN106169549B (en) | 2016-09-27 | 2016-09-27 | A kind of battery module |
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| Publication Number | Publication Date |
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| CN106169549A CN106169549A (en) | 2016-11-30 |
| CN106169549B true CN106169549B (en) | 2019-07-02 |
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| CN201610856377.6A Active CN106169549B (en) | 2016-09-27 | 2016-09-27 | A kind of battery module |
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| CN (1) | CN106169549B (en) |
| WO (1) | WO2018058781A1 (en) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106169549B (en) * | 2016-09-27 | 2019-07-02 | 中航锂电（洛阳）有限公司 | A kind of battery module |
| CN106784443B (en) * | 2017-01-25 | 2023-11-14 | 惠州市蓝微新源技术有限公司 | Insulating upper cover and cell module structure comprising insulating upper cover |
| CN106848113B (en) * | 2017-01-25 | 2023-11-14 | 惠州市蓝微新源技术有限公司 | Accommodating box and cell module structure comprising same |
| CN106856233B (en) * | 2017-01-25 | 2023-12-08 | 惠州市蓝微新源技术有限公司 | Cell module structure |
| CN106684300B (en) * | 2017-01-25 | 2023-11-17 | 惠州市蓝微新源技术有限公司 | Electric connection tray and cell module structure comprising same |
| CN107046115A (en) * | 2017-05-02 | 2017-08-15 | 江苏银基烯碳能源科技有限公司 | A kind of battery modules |
| CN109273650B (en) * | 2017-07-18 | 2021-06-04 | 宁德时代新能源科技股份有限公司 | Battery module |
| CN108428944A (en) * | 2018-01-29 | 2018-08-21 | 惠州市蓝微新源技术有限公司 | Battery module structure |
| CN207896192U (en) * | 2018-01-31 | 2018-09-21 | 宁德时代新能源科技股份有限公司 | Battery modules |
| CN110212125B (en) * | 2018-02-28 | 2022-06-17 | 中航光电科技股份有限公司 | Battery module and pencil board subassembly, electrically conductive row of switching thereof |
| JP7054442B2 (en) * | 2018-03-06 | 2022-04-14 | トヨタ自動車株式会社 | Assembled battery and manufacturing method of assembled battery |
| 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 |
| CN115810875A (en) * | 2018-08-13 | 2023-03-17 | 日本汽车能源株式会社 | Battery pack |
| CN112310560B (en) | 2019-10-21 | 2021-11-12 | 宁德时代新能源科技股份有限公司 | Connection assembly, battery module, battery pack, and apparatus using battery module as power source |
| CN110994066A (en) * | 2019-11-26 | 2020-04-10 | 南京金龙客车制造有限公司 | New forms of energy battery system thermal management structure |
| KR20210133542A (en) * | 2020-04-29 | 2021-11-08 | 주식회사 엘지에너지솔루션 | Battery module and battery pack including the same |
| CN111864173B (en) * | 2020-07-16 | 2023-05-12 | 深圳市拓湃新能源科技有限公司 | Battery pack welding process |
| CN112713344A (en) * | 2021-01-18 | 2021-04-27 | 中国第一汽车股份有限公司 | Battery assembly and electric vehicle |
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| CN204651372U (en) * | 2015-06-05 | 2015-09-16 | 宁德时代新能源科技有限公司 | For the cover assembly of battery modules |
| CN106169549B (en) * | 2016-09-27 | 2019-07-02 | 中航锂电（洛阳）有限公司 | A kind of battery module |
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- 2016-12-01 WO PCT/CN2016/108220 patent/WO2018058781A1/en active Application Filing
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| CN203631621U (en) * | 2013-12-05 | 2014-06-04 | 宁德时代新能源科技有限公司 | Battery module |
| CN105118941A (en) * | 2015-08-13 | 2015-12-02 | 中航锂电（洛阳）有限公司 | Battery bunching module |
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Also Published As
| Publication number | Publication date |
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| CN106169549A (en) | 2016-11-30 |
| WO2018058781A1 (en) | 2018-04-05 |
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