CN205646028U - Soft packet of lithium cell with welded structure exempts from - Google Patents
Soft packet of lithium cell with welded structure exempts from Download PDFInfo
- Publication number
- CN205646028U CN205646028U CN201620539018.3U CN201620539018U CN205646028U CN 205646028 U CN205646028 U CN 205646028U CN 201620539018 U CN201620539018 U CN 201620539018U CN 205646028 U CN205646028 U CN 205646028U
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- Prior art keywords
- battery core
- clamping plate
- battery
- exempt
- mass flow
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model provides a soft packet of lithium cell with welded structure exempts from belongs to the battery field, it is including a plurality of consecutive electric cores, a plurality of the electricity core passes through the mass flow area and links to each other, the electricity core including the utmost point ear, per two adjacent form the accommodation space between the electricity core, the mass flow area includes the mass flow spare that a plurality of intervals set up, and is a plurality of the array orientation of mass flow spare is the length direction in this mass flow area, each the extending direction perpendicular to of mass flow spare the length direction in mass flow area, mass flow spare joint in in the accommodation space and with utmost point ear links to each other. Soft packet of lithium cell compact structure of this kind has avoided at the welding processes of in -process in groups, improves efficiency in groups, reduces cost in groups, and can put forward high yield, reduction in the numbers of seconds. Can accomplish the dismantlement at the follow -up maintenance in -process through simple step for subsequent maintenance is very convenient, has reduced use and maintenance cost.
Description
Technical field
This utility model relates to field of batteries, has in particular to one and exempts from Welding Structure
Soft package lithium battery.
Background technology
Soft package lithium battery is one of battery variety that current multiple fields is conventional.It is widely used in electricity
The machinery equipment such as electrical automobile, hybrid vehicle.Usually include multiple in soft package lithium battery
Be connected battery block or battery core, by certain connector or technique couple together formation whole
The soft package lithium battery of body formula.
Traditional soft package lithium battery is connected generally by welding manner when connecting multiple battery core,
Specifically it is probably Laser Welding, electric resistance welding or ultrasonic bond etc., the battery core being connected in this way
Belong to fixing connected mode.During actual welding easy due to solder technology and plant issue
The problems such as failure welding (specifically including the defect such as rosin joint, burn-through), group efficiency are low occur.
And later maintenance is relatively difficult.
Later maintenance difficulty is mainly reflected in: owing to being the relation of welding between battery core with battery core, very
Difficulty splits or substantially can not split, and easilys lead to battery core and be destroyed, especially after splitting by force
It is cell polar ear position.Cause battery to be continuing with, or need through bigger dimension
Repair and could use, improve use and the maintenance cost of battery, all bring to producer and user
Inconvenience.
Such as, number of patent application is that the patent application of CN200610030464.2 discloses one
Collecting plate of integrated fuel cell designs, and the design of this collecting plate of integrated fuel cell includes afflux
Plate, end plate, two groups or more fuel cell pack, collector plate include central authorities collector plate and
Rear end collector plate before end plate, this central authorities' collector plate is located in the middle of fuel cell pack, end plate
Integration packaging is carried out by the screw rod fuel cell pack that is fixedly clamped；Hydrogen, air, cooling fluid
Enter each battery pile from central authorities' collector plate respectively or the rear end collector plate before each end plate enters
Battery pile, goes out each battery pile from central authorities' collector plate or the rear end collector plate before each end plate goes out electricity
Chi Dui.
From its literature record and Figure of description, its battery core is connected by fixed form,
During subsequent maintenance the most difficult, as easy as rolling off a log damage battery core and lug thereof.
Utility model content
This utility model provides one to be had and exempts from welded soft package lithium battery, it is intended to solve
The problems referred to above that in prior art, soft package lithium battery exists.
This utility model is achieved in that
One has exempts from welded soft package lithium battery, including multiple battery cores being sequentially connected,
Multiple described battery cores are connected by flow collection band；Described battery core includes lug, the institute that each two is adjacent
Stating formation accommodation space between battery core, described flow collection band includes multiple spaced afflux part,
The length direction that orientation is this flow collection band of multiple described afflux parts, each described afflux
The length direction extending perpendicularly to described flow collection band of part；Described afflux part is connected in described
In accommodation space and it is connected with described lug.
Further, the peripheral cards of each described battery core is connected to battery core clamping plate, and each two is adjacent
Battery core clamping plate fit, each two adjacent battery core interval arrange；The side of described battery core clamping plate
Portion is provided with fluting, forms described accommodation space between two described battery core clamping plate.
Further, described lug fits with described battery core clamping plate, the side of described afflux part
Fit with the fit sidewall of opposite side and described fluting of lug.
Further, each described battery core connects and has two lugs, each described battery core
Clamping plate are provided with two flutings, and described afflux is with two be arranged in parallel.
Further, the both sides of described battery core clamping plate cave inward formation mounting groove, are positioned at middle part
The both sides of described battery core lay respectively in the mounting groove of two battery core clamping plate.
Further, described afflux part has elasticity, when afflux part is positioned at described accommodation space
It is in compressive state.
Further, the top of described fluting includes the changeover portion of arc-shaped.
Further, described flow collection band is integral type structure, and flow collection band bends inwards described in formation
Afflux part.
Further, the top of described afflux part is hatch frame, and this hatch frame forms buffering
District；Extend along direction on described afflux part and offer multiple bar hole.
Further, on described battery core clamping plate, the mounting groove of both sides communicates；On described battery core clamping plate
The both sides not offering mounting groove offer strip through-hole.
The beneficial effects of the utility model are: the tool that this utility model is obtained by above-mentioned design
Have and exempt from welded soft package lithium battery, compact conformation, eliminate the welding in grouping procedure
Operation, improves group efficiency, reduces cost in groups, and can improve yield rate, reduces substandard products
Rate.Dismounting can be completed by simple step so that follow-up dimension during follow-up maintenance
Protect extremely convenient, reduce use and maintenance cost.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, below will be to reality
Execute the required accompanying drawing used in mode to be briefly described, it will be appreciated that the following drawings is only shown
Go out some embodiment of the present utility model, be therefore not construed as the restriction to scope, right
From the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other relevant accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is that having of this utility model embodiment offer exempts from welded Soft Roll lithium electricity
The axonometric drawing in pond；
Fig. 2 is that having of this utility model embodiment offer exempts from welded Soft Roll lithium electricity
The front view in pond；
Fig. 3 is that having of this utility model embodiment offer exempts from welded Soft Roll lithium electricity
The side view in pond；
Fig. 4 is that having of this utility model embodiment offer exempts from welded Soft Roll lithium electricity
The top view in pond；
Fig. 5 is that having of this utility model embodiment offer exempts from welded Soft Roll lithium electricity
The axonometric drawing of flow collection band in pond；
Fig. 6 is that having of this utility model embodiment offer exempts from welded Soft Roll lithium electricity
The front view of flow collection band in pond；
Fig. 7 is that having of this utility model embodiment offer exempts from welded Soft Roll lithium electricity
The side view of flow collection band in pond；
Fig. 8 is that having of this utility model embodiment offer exempts from welded Soft Roll lithium electricity
The top view of flow collection band in pond；
Fig. 9 is that having of this utility model embodiment offer exempts from welded Soft Roll lithium electricity
The axonometric drawing of battery core in pond；
Figure 10 is that having of this utility model embodiment offer exempts from welded Soft Roll lithium electricity
The axonometric drawing of battery core clamping plate in pond；
Figure 11 is that having of this utility model embodiment offer exempts from welded Soft Roll lithium electricity
The front view of battery core clamping plate in pond；
Figure 12 is that having of this utility model embodiment offer exempts from welded Soft Roll lithium electricity
The side view of battery core clamping plate in pond；
Figure 13 is that having of this utility model embodiment offer exempts from welded Soft Roll lithium electricity
The top view of battery core clamping plate in pond；
Figure 14 is that having of this utility model embodiment offer exempts from welded Soft Roll lithium electricity
The axonometric drawing that in pond, battery core clamping plate and battery core are connected；
Figure 15 is that having of this utility model embodiment offer exempts from welded Soft Roll lithium electricity
The axonometric drawing that in pond, battery core clamping plate and battery core are connected；
Figure 16 is that having of this utility model embodiment offer exempts from welded Soft Roll lithium electricity
The top view that in pond, battery core clamping plate and battery core are connected；
Figure 17 is that having of this utility model embodiment offer exempts from welded Soft Roll lithium electricity
The side view that in pond, battery core clamping plate and battery core are connected；
Figure 18 is that having of this utility model embodiment offer exempts from welded Soft Roll lithium electricity
The partial sectional view in pond；
Figure 19 is I portion enlarged drawing in Figure 18.
Figure acceptance of the bid note is respectively as follows:
Battery core 10；
Lug 101；
Accommodation space 102；
Flow collection band 20；
Afflux part 201；
Relief area 202；
Bar hole 203；
Battery core clamping plate 30；
Fluting 301；
Mounting groove 302；
Strip through-hole 303.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, under
The accompanying drawing that face will combine in this utility model embodiment, in this utility model embodiment
Technical scheme is clearly and completely described, it is clear that described embodiment is this practicality
Novel a part of embodiment rather than whole embodiments.Based in this utility model
Embodiment, those of ordinary skill in the art are obtained under not making creative work premise
Every other embodiment, broadly fall into this utility model protection scope.Therefore, the most right
The detailed description of the embodiment of the present utility model provided in the accompanying drawings is not intended to limit to be wanted
Seek the scope of the present utility model of protection, but be merely representative of selected embodiment party of the present utility model
Formula.Based on the embodiment in this utility model, those of ordinary skill in the art are not making
The every other embodiment obtained under creative work premise, broadly falls into this utility model and protects
The scope protected.
In description of the present utility model, it is to be understood that indicating position or position relationship
Term is based on orientation shown in the drawings or position relationship, is for only for ease of this practicality of description new
Type and simplification describe rather than indicate or imply that the equipment of indication or element must have specifically
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model
System.
In this utility model, unless otherwise clearly defined and limited, term " install ", " phase
Even ", " connection ", the term such as " fix " should be interpreted broadly, for example, it may be fix connection,
Can also be to removably connect, or integral；Can be to be mechanically connected, it is also possible to be electrical connection；
Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, in can being two elements
The connection in portion or the interaction relationship of two elements.For those of ordinary skill in the art
Speech, can understand above-mentioned term concrete meaning in this utility model as the case may be.
In this utility model, unless otherwise clearly defined and limited, fisrt feature is second
Can include on or below feature that the first and second features directly contact, it is also possible to include first
With second feature is not directly contact but by the other characterisation contact between them.And
And, fisrt feature on second feature, above and above include that fisrt feature is in second feature
Surface and oblique upper, or it is merely representative of fisrt feature level height higher than second feature.First
Feature under second feature, lower section and fisrt feature included below immediately below second feature and
Obliquely downward, or it is merely representative of fisrt feature level height less than second feature.
Embodiment, refers to Fig. 1-Figure 19.
Present embodiments provide one to have and exempt from welded soft package lithium battery, can apply to
The machinery equipment such as electric automobile, hybrid vehicle；Soft package lithium battery can be referred to as.Have
Exempting from the welded soft package lithium battery meaning is that this soft package lithium battery is simpler in grouping procedure
Just, fast.
Soft package lithium battery includes that multiple battery core 10 being sequentially connected, battery core 10 are used for storing electric energy
And discharging electric energy, battery core 10 can be rechargeable type.Multiple battery cores 10 pass through flow collection band
20 are connected；Multiple battery cores 10 can be linked up by flow collection band 20, synchronous charging or
Outwards export electric energy.Battery core 10 includes lug 101, shape between the battery core 10 that each two is adjacent
Becoming accommodation space 102, flow collection band 20 includes multiple spaced afflux part 201, Duo Geji
The length direction that orientation is this flow collection band 20 of stream part 201, each afflux part 201
The length direction extending perpendicularly to flow collection band 20；Afflux part 201 is connected in accommodating sky
Between in 102 and be connected with lug 101.
As it is shown in figure 1, flow collection band 20 not only has the multiple battery cores 10 of connection transmits the work of electric energy
With, moreover it is possible to the clamping of multiple battery core 10 is got up, makes multiple battery core 10 be firmly coupled to each other,
Make soft package lithium battery form compact entirety, and eliminate the welding sequence in grouping procedure,
Improve group efficiency, reduce cost in groups, and yield rate, reduction in the numbers of seconds can be improved.?
Dismounting can be completed by simple step so that follow-up maintenance is extremely during follow-up maintenance
Convenient, reduce use and maintenance cost.
In addition to battery core 10 and flow collection band 20, this soft package lithium battery further comprises battery core clamping plate 30,
The peripheral cards of each battery core 10 is connected to battery core clamping plate 30, the battery core clamping plate 30 that each two is adjacent
Fitting, battery core 10 interval that each two is adjacent is arranged；The sidepiece of battery core clamping plate 30 is provided with out
Groove 301, forms accommodation space 102 between two battery core clamping plate 30.Flow collection band 20 is connected to
In accommodation space 102, play interconnection function.It is peripheral that battery core clamping plate 30 are connected to battery core 10,
Play protection and support the effect of battery core 10.
Specifically, lug 101 fits with battery core clamping plate 30, the side of afflux part 201
With lug 101 fit opposite side with fluting 301 sidewall fit.Such as Figure 14 and Figure 15
Shown in, this arrangement makes each parts stable connection, makes soft package lithium battery overall compact,
Electric energy, failure rate is low can be stably transmitted during use.
Specifically, each battery core 10 connecting and has two lugs 101, each battery core is pressed from both sides
Plate 30 is provided with two flutings 301, and flow collection band 20 has two be arranged in parallel.Please be further
With reference to Fig. 1, two flow collection band 20 parallel interval are arranged, by multiple battery cores 10 and battery core clamping plate
30 stably couple together.
Battery core clamping plate 30 are connected to the periphery of battery core 10, and specific implementation can be multiple,
In some specific embodiments, the both sides of battery core clamping plate 30 cave inward formation mounting groove
302, the both sides of the battery core 10 being positioned at middle part lay respectively at the mounting groove of two battery core clamping plate 30
In 302.As shown in Figure 10 and Figure 14, the sidepiece at battery core clamping plate 30 is provided with mounting groove
302, the profile of mounting groove 302 matches with the outline of battery core 10, makes the battery core 10 can
It is connected in mounting groove 302.It is provided with mounting groove 302 in the two sides of battery core clamping plate 30,
Make the both sides of battery core clamping plate 30 all can clamping battery core 10, and mounting groove 302 is deep
Degree, less than the thickness of battery core 10, makes battery core 10 and a battery core clamping plate 30 clamping rear portion
Stretch out this battery core clamping plate 30, and this part can be connected with another battery core clamping plate 30, makes
Multiple battery cores 10 and battery core clamping plate 30 are connected in one formula structure in an orderly manner so that it is structure is more
Add the compactest；The lug 101 of the most this arrangement beneficially battery core 10 upwardly extends,
Can fit with the sidewall of fluting 301, the more convenient connection with afflux part 201.
For more stably connecting components, afflux part 201 has elasticity, and afflux part 201 is positioned at
It is in compressive state time in accommodation space 102.Have resilient afflux part 201 and insert accommodating sky
Between after 102 to contract, be in certain compressive state, make afflux part 201 and battery core 10
And the intermolecular forces of battery core clamping plate 30 is more stable, each parts are more stable after connecting.
Alternatively, the top of fluting 301 includes the changeover portion of arc-shaped.The changeover portion of arc-shaped
Facilitate the insertion of afflux part 201.
As shown in Figure 5-Figure 8, in some preferred embodiments, flow collection band 20 is integral type
Structure, flow collection band 20 bends inwards and forms afflux part 201.Flow collection band 20 uses metal material
Integrated punching molding, preferably can use nickel sheet punching press to make so that it is to have good electric conductivity,
And hardness and toughness preferable.The active force that the flow collection band 20 of integral structure can bear is more
Greatly, soft package lithium battery is made can preferably to tackle external active force during follow-up use,
Improve the service life of soft package lithium battery, after being dismounted for multiple times, also be able to keep good performance.
Alternatively, the top of afflux part 201 is hatch frame, and this hatch frame forms relief area
202；Extend along direction on afflux part 201 and offer multiple bar hole 203.Hatch frame
Defining relief area 202 so that it is have more preferable elasticity, afflux part 201 is inserting accommodating sky
Between 102 time afflux part 201 hatch frame (relief area 202) shrink, make afflux part 201
It is in compressive state.Multiple bar holes 203 arranged along afflux part 201 bearing of trend make afflux
Part 201 during insertion can be more smooth, facilitates coordinating of afflux part 201 and lug 101,
Reduce the contact area of the two, improve electric energy efficiency of transmission.
Such as Figure 10 and Figure 11, on battery core clamping plate 30, the mounting groove 302 of both sides communicates；Battery core
The both sides not offering mounting groove 302 on clamping plate 30 offer strip through-hole 303.This structure
Battery core clamping plate 30 facilitate battery core 10 operationally to dispel the heat after being mounted with battery core 10, energy
Enough forming good convection current, radiating efficiency is high.Promote the service life of soft package lithium battery further.
The foregoing is only preferred implementation of the present utility model, be not limited to this
Utility model, for a person skilled in the art, this utility model can have various change
And change.All within spirit of the present utility model and principle, any amendment of being made, equivalent
Replacement, improvement etc., within should be included in protection domain of the present utility model.
Claims (10)
1. one kind has and exempts from welded soft package lithium battery, it is characterised in that include multiple depending on
Secondary connected battery core, multiple described battery cores are connected by flow collection band；Described battery core includes lug,
Forming accommodation space between the described battery core that each two is adjacent, described flow collection band includes multiple interval
The afflux part arranged, the length direction that orientation is this flow collection band of multiple described afflux parts,
The length direction extending perpendicularly to described flow collection band of each described afflux part；Described collection
In stream part is connected in described accommodation space and it is connected with described lug.
The most according to claim 1 have exempt from welded soft package lithium battery, its feature
Being, the peripheral cards of each described battery core is connected to battery core clamping plate, the battery core folder that each two is adjacent
Plate fits, and the battery core interval that each two is adjacent is arranged；The sidepiece of described battery core clamping plate is provided with out
Groove, forms described accommodation space between two described battery core clamping plate.
The most according to claim 2 have exempt from welded soft package lithium battery, its feature
Being, described lug fits with described battery core clamping plate, the side of described afflux part and lug phase
Laminating opposite side fits with the sidewall of described fluting.
The most according to claim 3 have exempt from welded soft package lithium battery, its feature
Being, each described battery core connects two lugs, and each described battery core clamping plate sets
Having two flutings, described afflux is with two be arranged in parallel.
5. exempt from welded Soft Roll lithium electricity according to having described in any one of claim 2-4
Pond, it is characterised in that the both sides of described battery core clamping plate cave inward formation mounting groove, in being positioned at
The both sides of the described battery core in portion lay respectively in the mounting groove of two battery core clamping plate.
6. exempt from welded Soft Roll lithium electricity according to having described in any one of claim 2-4
Pond, it is characterised in that described afflux part has elasticity, afflux part is positioned at described accommodation space
Time be in compressive state.
The most according to claim 6 have exempt from welded soft package lithium battery, its feature
Being, the top of described fluting includes the changeover portion of arc-shaped.
The most according to claim 6 have exempt from welded soft package lithium battery, its feature
Being, described flow collection band is integral type structure, and flow collection band bends inwards and forms described afflux part.
The most according to claim 8 have exempt from welded soft package lithium battery, its feature
Being, the top of described afflux part is hatch frame, and this hatch frame forms relief area；Described
Extend along direction on afflux part and offer multiple bar hole.
The most according to claim 5 have exempt from welded soft package lithium battery, it is special
Levying and be, on described battery core clamping plate, the mounting groove of both sides communicates；Do not offer on described battery core clamping plate
The both sides of mounting groove offer strip through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620539018.3U CN205646028U (en) | 2016-05-31 | 2016-05-31 | Soft packet of lithium cell with welded structure exempts from |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620539018.3U CN205646028U (en) | 2016-05-31 | 2016-05-31 | Soft packet of lithium cell with welded structure exempts from |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205646028U true CN205646028U (en) | 2016-10-12 |
Family
ID=57051673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620539018.3U Active CN205646028U (en) | 2016-05-31 | 2016-05-31 | Soft packet of lithium cell with welded structure exempts from |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205646028U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105870510B (en) * | 2016-05-31 | 2018-05-25 | 华霆（合肥）动力技术有限公司 | A kind of soft package lithium battery with no-welding structure |
-
2016
- 2016-05-31 CN CN201620539018.3U patent/CN205646028U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105870510B (en) * | 2016-05-31 | 2018-05-25 | 华霆（合肥）动力技术有限公司 | A kind of soft package lithium battery with no-welding structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 Hefei 26 Economic Development Zone, Anhui, 5 (Building No. 5) Patentee before: Huating (Hefei) Power Technology Co., Ltd. |
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| CP02 | Change in the address of a patent holder |