CN207097919U - No-welding battery modules and no-welding battery module system - Google Patents
No-welding battery modules and no-welding battery module system Download PDFInfo
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- CN207097919U CN207097919U CN201721063155.5U CN201721063155U CN207097919U CN 207097919 U CN207097919 U CN 207097919U CN 201721063155 U CN201721063155 U CN 201721063155U CN 207097919 U CN207097919 U CN 207097919U
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- Prior art keywords
- pressure
- welding battery
- welding
- battery modules
- battery module
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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
Abstract
The utility model embodiment is related to cell art, in particular to a kind of no-welding battery modules and no-welding battery module system.The no-welding battery modules include the pressure control assembly of fixture, multiple current collection cell bodies and multiple pressure adjustables.Wherein, multiple pressure control assemblies are arranged alternately with multiple current collection cell bodies, and are fixed in fixture.The utility model embodiment additionally provides a kind of no-welding battery module system, and the no-welding battery module system includes balancing liquid and above-mentioned no-welding battery modules.Balancing liquid is injected into pressure equalization module to realize that pressure is adjusted, the contact resistance of no-welding battery module system can be made adjustable, and can guarantee that the uniform uniformity of contact resistance.
Description
Technical field
Cell art is the utility model is related to, in particular to a kind of no-welding battery modules and non-welding electric
Pond module system.
Background technology
In battery system, in order to form larger energy system, it is necessary to which the less battery cell of each energy is passed through into string
Mode in parallel combines.It is to realize effectively to contact with battery core respectively by collector plate to realize relation in series or in parallel, is led to
Connection of the collector plate to different battery cores is crossed so as to realize connection in series-parallel relation.Therefore, collector plate and effectively making contact to for battery core are attached most importance to
The research object wanted.
Prior art by the way of battery core welding or no-welding mostly using collector plate with realizing that the electricity of collector plate and battery core connects
Touch, but the contact resistance and the homogeneity of contact resistance that no-welding form can not be between efficient dominating set electroplax and battery core, it is right
Had a great influence in no-welding battery modules later stage use.
Utility model content
In view of this, the utility model provides a kind of no-welding battery modules and no-welding battery module system, to
Solve the above problems.
To achieve the above object, the utility model embodiment adopts the following technical scheme that：
No-welding battery modules provided by the utility model, including fixture, multiple current collection cell bodies and multiple pressure can
The control assembly of tune.Wherein, multiple pressure control assemblies are arranged alternately and are fixed in fixture with multiple current collection cell bodies.
Alternatively, current collection cell body includes collection electrical component and battery module.Wherein, collection electrical component be fixed on battery module,
And electrically connected with battery module.
Alternatively, collection electrical component includes collector plate and electrode slice.Wherein, collector plate is provided with multiple placement portions.Electrode slice
It is provided with multiple lugs of flexible structure.Lug is fixed on placement portion, so as to realize that electrode slice and the fixed of collector plate connect
Connect.
Alternatively, lug is helical form, and one end of lug is provided with projection, and raised top is plane.
Alternatively, lug is by being fixedly welded on placement portion.
Alternatively, battery module includes clamping part, structural member and multiple battery cores.Wherein, clamping part is provided with installation portion, collection
Electrical component is fixed on clamping part by installation portion.Structural member includes fixing axle and fixed plate, and multiple battery cores are by fixing axle and admittedly
Fixed board is fixed on clamping part.
Alternatively, pressure control assembly includes pressure balance bag and pressure-equalizing pipe.Wherein, the shape of pressure balance bag with
The shape of electrode slice matches, pressure balance bag and electrode slice Mechanical Contact.Pressure-equalizing pipe connects with pressure balance bag, passes through
Pressure-equalizing pipe injects different amounts of liquid so as to realize that pressure is adjusted to pressure balance bag.
Alternatively, fixture includes at least two pressing plates.
The utility model additionally provides a kind of no-welding battery module system, and the no-welding battery module system includes balance
Liquid and above-mentioned no-welding battery modules.Balancing liquid is injected into pressure equalization module to realize that pressure is adjusted.
No-welding battery modules and no-welding battery module system provided by the utility model, by the way that balancing liquid is injected
Pressure equalization module realizes that pressure is adjusted, and ensures the uniform uniformity of contact resistance.
Further, no-welding battery modules and no-welding battery module system provided by the utility model, pressure balance
Component contacts with the lug of electrode slice effectively to be cooled.
Further, no-welding battery modules and no-welding battery module system provided by the utility model, lug it is convex
The top risen is plane, the contact area with battery core is increased, so as to increase current-carrying.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the present embodiment, the required accompanying drawing used in embodiment will be made below
Simply introduce, it will be appreciated that the following drawings illustrate only this some embodiments, therefore be not construed as the limit to scope
It is fixed, for those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings
Obtain other related accompanying drawings.
A kind of structural representation for no-welding battery modules that Fig. 1 is provided by the utility model embodiment.
A kind of structural representation for current collection cell body that Fig. 2 is provided by the utility model embodiment.
A kind of structural representation for collection electrical component that Fig. 3 is provided by the utility model embodiment.
A kind of structural representation for electrode slice that Fig. 4 is provided by the utility model embodiment.
A kind of structural representation for battery module that Fig. 5 is provided by the utility model embodiment.
A kind of structural representation for pressure balance bag that Fig. 6 is provided by the utility model embodiment.
A kind of structural representation for pressure equalization module that Fig. 7 is provided by the utility model embodiment.
A kind of structural representation for no-welding battery module system that Fig. 8 is provided by the utility model embodiment.
Icon：100- no-welding battery modules；200- no-welding battery module systems；1- fixtures；2- current collection cell bodies；
21- collection electrical components；211- collector plates；2111- placements portion；212- electrode slices；2121- lugs；2122- is raised；22- battery moulds
Block；221- clamping parts；2211- installation portions；222- structural members；2221- fixing axles；2222- fixed plates；223- battery cores；3- pressure
Control assembly；31- pressure balance bags；311- interfaces；32- pressure-equalizing pipes；321- liquid injection ports；4- balancing liquids.
Embodiment
It further investigation reveals that, prior art mainly realizes collector plate and the electricity of battery core by the way of collector plate and battery core welding
Contact, portion of techniques realize the electrical contact of collector plate and battery core by the way of no-welding.But it can not effectively control collector plate
The homogeneity of contact resistance and contact resistance between battery core, had a great influence for no-welding battery modules later stage use.
Based on the studies above, the utility model embodiment provides a kind of no-welding battery modules and no-welding battery modules
System, by the way that balancing liquid injection pressure equalization module is realized into pressure is adjusted, and ensure the contact between collector plate and battery core
The uniform uniformity of resistance.
To make the purpose, technical scheme and advantage of the present embodiment clearer, below in conjunction with the accompanying drawing in the present embodiment,
Technical scheme in the present embodiment is clearly and completely described, it is clear that described embodiment is that this part is real
Apply example, rather than whole embodiments.The component of the present embodiment being generally described and illustrated herein in the accompanying drawings can be with various
Different configurations is arranged and designed.
Therefore, claimed sheet is not intended to limit to the detailed description of the embodiment of the sheet provided in the accompanying drawings below
Scope, but be merely representative of this selected embodiment.Based on the embodiment in sheet, those of ordinary skill in the art are not making
Go out under the premise of creative work the every other embodiment obtained, belong to the scope of this protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
In this description, unless otherwise clearly defined and limited, term " setting ", " connected ", " connection " should be done extensively
Reason and good sense solution, for example, it may be being fixedly connected or being detachably connected, or it is integrally connected；Can mechanically connect,
It can be electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be the company of two element internals
It is logical.For the ordinary skill in the art, concrete meaning of the above-mentioned term in sheet can be understood with concrete condition.
It refer to Fig. 1, a kind of no-welding battery modules 100, including fixture 1, multiple current collection cell bodies 2 and multiple pressure
Adjustable pressure control assembly 3.Wherein, multiple pressure control assemblies 3 are arranged alternately with multiple current collection cell bodies 2, and are fixed on
In fixture 1.
Fig. 1 is continued referring to, as seen from the figure, multiple pressure control assemblies 3 are arranged alternately with multiple current collection cell bodies 2.Example
Such as, first layer setting pressure control assembly 3, second layer setting current collection cell body 2, third layer setting pressure control assembly 3, the 4th
Layer sets current collection cell body 2, and by that analogy, in the present embodiment, the quantity of current collection cell body 2 is two.Correspondingly, pressure control
The quantity of component 3 processed is six.Alternatively, first layer sets two pressure control assemblies 3, and the second layer sets a current collection battery
Body 2, third layer set two pressure control assemblies 3, one current collection cell body 2 of the 4th layer of setting, and layer 5 sets two pressure
Control assembly 3.The present embodiment provide only a kind of no-welding battery modules 100, be not to current collection cell body 2 and Stress control
The limitation of the quantity of component 3, for different energy systems, the quantity of current collection cell body 2 and pressure control assembly 3 can accordingly increase
Add deduct few.
Alternatively, the shape of current collection cell body 2 is selected but is not limited to cube.In the present embodiment, fixture 1 is two
Pressing plate, the shape and the shape of current collection cell body 2 of two pressing plates match.Two current collection cell bodies 2 and six Stress control groups
The laminated construction that part 3 forms is fixed in two pressing plates.
Fig. 2 shows a kind of structural representation for current collection cell body 2 that the utility model embodiment is provided.Can by figure
See, current collection cell body 2 includes collection electrical component 21 and battery module 22.Wherein, collection electrical component 21 be fixed on battery module 22 and with
Battery module 22 electrically connects.Above-mentioned electrical connection is used to illustrate the type of attachment for collecting electrical component 21 and battery module 22, is not pair
Collect electrical component 21 and the restriction of the connection status of battery module 22.In a practical situation, when pressure control assembly applies pressure, collection
The status of electrically connecting of electrical component 21 and battery module 22 is opened, and when pressure control assembly does not apply pressure, collects electrical component 21
It may be closed with the status of electrically connecting of battery module 22.
Fig. 3 shows a kind of structural representation for collection electrical component 21 that the utility model embodiment is provided.As seen from the figure,
Collection electrical component 21 includes collector plate 211 and electrode slice 212.Wherein, collection electrical component 21 is provided with placement portion 2111, electrode slice 212
The lug 2121 of flexible structure is provided with, lug 2121 is fixed on placement portion 2111, so as to realize electrode slice 212 and current collection
Plate 211 is fixedly connected.Alternatively, lug 2121 is fixed with placement portion 2111 by the method for welding.Alternatively, collector plate
211 and electrode slice 212 making material can be selected conducting metal.
Fig. 4 is refer to, Fig. 4 shows a kind of structural representation for electrode slice 212 that the utility model embodiment is provided.
As seen from the figure, the elastic construction of lug 2121 is selected but is not limited to helical form elastic construction, and the elastic construction can provide enough
Elastic space.Alternatively, the center of the helical form elastic construction of lug 2121 is provided with projection 2122, and the top of projection 2122 is
Plane.The elastic space that elastic construction provides can allow lug 2121 and battery core effectively to contact, meanwhile, top is the projection of plane
2122 can increase effective contact area of lug and battery core, so as to increase current-carrying, reduce contact resistance.
Fig. 5 shows a kind of structural representation for battery module 22 that the utility model embodiment is provided, as seen from the figure,
Battery module 22 includes clamping part 221, structural member 222 and multiple battery cores 223.Wherein, clamping part 221 is two rectangular slabs,
Clamping part 221 is provided with installation portion 2211.Incorporated by reference to reference picture 2, the shape and the shape phase of installation portion 2211 of collection electrical component 21
Matching, collection electrical component 21 are fixed on clamping part 221 by installation portion 2211.
Fig. 5 is continued referring to, structural member 222 includes fixing axle 2221 and fixed plate 2222.Multiple battery cores 223 pass through fixation
Axle 2221 and fixed plate 2222 are fixed on clamping part 221.For example, the relevant position that multiple battery cores 223 are placed between clamping part 221
Place, fixed plate 2222 are fixed on clamping part 221 and the fixed multiple battery cores 223 being between clamping part 221 by nut, Gu
Dead axle 2221 is fixed on clamping part 221 and the fixed multiple battery cores 223 being between clamping part 221.Alternatively, fixing axle
2221 and the quantity and installation site of fixed plate 2222 can be adjusted accordingly according to actual conditions.Structural member 222 can also use
Other have the device of fixing function, as long as can guarantee that multiple battery cores 223 are fixed between clamping part 221 i.e. by structural member 222
Can.
Fig. 6 shows a kind of structural representation for pressure balance bag 31 that the utility model embodiment is provided, with reference to Fig. 3
As can be seen that the shape of pressure balance bag 31 and the shape of electrode slice 212 match, pressure balance bag 31 is provided with interface 311,
Interface 311 is used to connect pressure-equalizing pipe.Sentence and carry in the relevant position that pressure balance bag 31 is placed in the lug 2121 of electrode slice 212
Voltage supply power.
Fig. 7 is refer to, Fig. 7 shows that a kind of structure for pressure equalization module 3 that the utility model embodiment is provided is shown
It is intended to, as seen from the figure, pressure equalization module 3 includes pressure balance bag 31 and pressure-equalizing pipe 32.Pressure-equalizing pipe 32 is by connecing
Mouth 311 connects with pressure balance bag 31, and offer pressure is sentenced in the relevant position that pressure balance bag 31 is placed in the lug of electrode slice.Example
Such as, it is two to be fixed on electrode slice of the clamping part 221 per side, and correspondingly, every side of clamping part 221 is set and two electrode slice phases
Corresponding two pressure balance bags 31, as seen from the figure, two pressure balance parts 31 are set one on the other.
Alternatively, pressure-equalizing pipe 32 is provided with liquid injection port 321, to inject balancing liquid, realizes pressure balance bag 31
Pressure regulation.As seen from Figure 7, pressure-equalizing pipe 32 is connected by interface 311 with pressure balance bag 31.Pressure-equalizing pipe 32 divides
For two parts, the Part I three pressure balance bags 31 of a relatively high with position connect, and Part II is relatively low with position
Pressure balance bag 31 connect, Part I is connected with Part II by the pipe of " work " font, and liquid injection port 321 is located at " work " word
The center of type pipe.The structure makes each pressure balance bag 31 and pressure-equalizing pipe 32 identical, beneficial to the conduction and regulation of pressure.
Pressure on enclosed liquid can size unchangeably to all directions transmission.The liquid being placed in closed container, when
When additional pressure changes, as long as liquid still keeps the inactive state of its original constant, the pressure of any point is sent out in liquid
Raw same change.Therefore, in closed container, the pressure that puts on inactive liquid will be with equivalent while pass to each point.Base
In above-mentioned Hydrostatic Transfer Device principle, the utility model embodiment provides a kind of no-welding battery module system 200 of pressure adjustable.
Fig. 8 shows a kind of structural representation for no-welding battery module system 200 that the utility model embodiment is provided
Figure.As seen from the figure, the no-welding battery module system 200 includes balancing liquid 4 and above-mentioned no-welding battery modules 100.Pass through
Balancing liquid 4 is injected pressure-equalizing pipe 32 and pressure balance bag 31 by liquid injection port 321, and closes liquid injection port 321.It is good using liquid
Good pressure conduction, ensures that the pressure in each pressure balance bag 31 is equal.The each position pressure of pressure balance bag 31 is equal,
Multiple raised pressure equal with the contact of multiple battery cores offer are connected between energy, so as to ensure the uniform uniformity of contact resistance.
When no-welding battery module system 200 needs less contact resistance, injection pressure can be increased by liquid injection port 321
The amount of the balancing liquid 4 of dynamic balance bag 31, increase the pressure inside pressure balance bag 31, so as to reduce contact resistance.
When no-welding battery module system 200 needs larger contact resistance, injection pressure can be reduced by liquid injection port 321
The amount of the balancing liquid 4 of dynamic balance bag 31, reduce the pressure inside pressure balance bag 31, so as to increase contact resistance.
Because the pressure conduction of liquid needs to realize in the container of closing, therefore in regulation pressure balance bag 31
During interior balancing liquid 4, no-welding battery module system 200 should depart from working condition.Put down increasing or decreasing pressure
During the balancing liquid 4 to weigh in bag 31, when opening liquid injection port 321, pressure balance bag 31 and pressure-equalizing pipe 32 and the external world
Connection, now the balancing liquid 4 pressure balance bag 31 inside does not have pressure conduction, cause multiple raised and multiple battery cores it
Between contact it is different, and then cause the contact resistance size distribution of no-welding battery module system 200 uneven, influence to exempt from
Weld the normal operation of battery modules system 200.
Further, no-welding battery module system 200 at work, at lug generate heat it is larger, pressure balance bag 31 with
Lug contact can be effectively to cooling at lug, the service life of increase no-welding battery module system 200.
Alternatively, balancing liquid 4 selects iknsulating liquid, can effectively avoid internal conducting short circuit, influence no-welding battery mould
The normal operation of system system 200.
To sum up, the utility model embodiment provides a kind of no-welding battery modules 100 and no-welding battery module system
200, by having carried out ingehious design to structure so that no-welding battery module system 200 can adjust the size of contact resistance,
And ensure the uniform uniformity of contact resistance.Further, the no-welding battery module system 200 can carry out no-welding formula group
Dress, structure is reliable, is easy to manufacture and assembles.Further, the contact with lug 2121 of pressure balance bag 31 can be cooled, and be increased
The service life and reliability of the big no-welding battery module system 200.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.All spirit at this is made with principle
Any modification, equivalent substitution and improvements etc., should be included within the scope of protection of the utility model.
Claims (10)
1. a kind of no-welding battery modules, it is characterised in that including fixture, multiple current collection cell bodies and multiple pressure adjustables
Pressure control assembly；
The multiple pressure control assembly is arranged alternately with the multiple current collection cell body, and is fixed in the fixture.
2. no-welding battery modules according to claim 1, it is characterised in that the current collection cell body includes collection electrical component
And battery module；
The collection electrical component is fixed on the battery module and electrically connected with the battery module.
3. no-welding battery modules according to claim 2, it is characterised in that the collection electrical component includes collector plate and electricity
Pole piece；
The collector plate is provided with multiple placement portions；
The electrode slice is provided with multiple lugs of flexible structure；
The lug is fixed on the placement portion, so as to realize being fixedly connected for the electrode slice and the collector plate.
4. no-welding battery modules according to claim 3, it is characterised in that the lug is helical form, the lug
One end be provided with projection, the raised top is plane.
5. no-welding battery modules according to claim 4, it is characterised in that the lug is described by being fixedly welded on
Placement portion.
6. no-welding battery modules according to claim 4, it is characterised in that the battery module includes clamping part, knot
Component and multiple battery cores；
The clamping part is provided with installation portion, and the collection electrical component is fixed on the clamping part by the installation portion；
The structural member includes fixing axle and fixed plate, and the multiple battery core is fixed on by the fixing axle and the fixed plate
The clamping part.
7. no-welding battery modules according to claim 6, it is characterised in that the collection electrical component is fixed on the clamping
During portion, the raised top of the lug contacts with the battery core.
8. no-welding battery modules according to claim 7, it is characterised in that the pressure control assembly is put down including pressure
Weigh bag and pressure-equalizing pipe；
The shape and the shape of the electrode slice of the pressure balance bag match；The pressure balance bag and the electrode slice machine
Tool contacts；
The pressure-equalizing pipe connects with the pressure balance bag, is injected by the pressure-equalizing pipe to the pressure balance bag
Different amounts of liquid so as to realize pressure adjust.
9. no-welding battery modules according to claim 8, it is characterised in that the fixture includes at least two pressures
Plate.
10. a kind of no-welding battery module system, it is characterised in that the no-welding battery module system includes：
No-welding battery modules in the claims 1-9 described in any one；
Balancing liquid；
The balancing liquid is injected into pressure equalization module to realize that pressure is adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721063155.5U CN207097919U (en) | 2017-08-23 | 2017-08-23 | No-welding battery modules and no-welding battery module system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721063155.5U CN207097919U (en) | 2017-08-23 | 2017-08-23 | No-welding battery modules and no-welding battery module system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207097919U true CN207097919U (en) | 2018-03-13 |
Family
ID=61539662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721063155.5U Active CN207097919U (en) | 2017-08-23 | 2017-08-23 | No-welding battery modules and no-welding battery module system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207097919U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107331820A (en) * | 2017-08-23 | 2017-11-07 | 华霆（合肥）动力技术有限公司 | Non-welding electric pond module and non-welding electric pond module system |
| CN108598307A (en) * | 2018-03-28 | 2018-09-28 | 中国科学院广州能源研究所 | A kind of no-welding, dismountable cylinder type lithium battery group module |
-
2017
- 2017-08-23 CN CN201721063155.5U patent/CN207097919U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107331820A (en) * | 2017-08-23 | 2017-11-07 | 华霆（合肥）动力技术有限公司 | Non-welding electric pond module and non-welding electric pond module system |
| CN108598307A (en) * | 2018-03-28 | 2018-09-28 | 中国科学院广州能源研究所 | A kind of no-welding, dismountable cylinder type lithium battery group module |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 230000 Anhui Hefei economic and Technological Development Zone, Xin Xin Road, No. 62 power battery factory Patentee after: Huating (Hefei) Power Technology Co., Ltd. Address before: 230000 No. 26, No. 5, Tsing Luen Road, Hefei economic and Technological Development Zone, Anhui Patentee before: Huating (Hefei) Power Technology Co., Ltd. |