CN106910864A - A kind of connection in series-parallel package assembly of soft package lithium battery - Google Patents
A kind of connection in series-parallel package assembly of soft package lithium battery Download PDFInfo
- Publication number
- CN106910864A CN106910864A CN201710253894.9A CN201710253894A CN106910864A CN 106910864 A CN106910864 A CN 106910864A CN 201710253894 A CN201710253894 A CN 201710253894A CN 106910864 A CN106910864 A CN 106910864A
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- China
- Prior art keywords
- lithium battery
- fixed plate
- soft package
- hole
- pad
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
-
- 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
- H01M50/531—Electrode connections inside a battery casing
-
- 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)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a kind of connection in series-parallel package assembly of soft package lithium battery, including soft package lithium battery, also include fixed plate, the electrode through hole that the fixed plate is provided with positive pole ear for battery, negative lug is passed through, pad is further fixed between two adjacent electrode through holes in fixed plate, the positive pole ear of the soft package lithium battery, negative lug bending are coated on the upside of the corresponding pad, and be pressed on lug on pad by conducting copper, and the width of conducting copper can be selected as needed.The present invention changes series-parallel system need to only change the conducting copper of different in width, and easy to adjust, versatility is good；Single-unit soft package lithium battery damage when, only need to unclamp corresponding conducting copper can to damage soft package lithium battery change, it is easy to maintenance；The structure also saves space in the short transverse of battery, improves Li-ion batteries piles energy volume ratio and energy to weight ratio.
Description
Technical field
The present invention relates to the connection in series-parallel package assembly of lithium battery manufacturing technology, especially a kind of soft package lithium battery.
Background technology
With the promotion that the technology of lithium ion battery is progressively ripe and country is to new energy, increasing auto vendor opens
Begin research and development electric automobile, the lithium battery group that current electric automobile is used, more using soft package lithium battery by connection in series-parallel assembling
Into, but, the voltage class of different electric automobile requirement Li-ion batteries piles, capacity are different, the group of Li-ion batteries piles
Conjunction mode is also required to be adjusted according to the requirement of automobile manufacturing company, if the battery of individually designed all size, can improve
Research and development, manufacturing cost.In addition, current lithium battery group package assembly, when single battery is damaged, disassembly and assembly structure is complicated, repairs into
This height.
The content of the invention
The invention provides a kind of connection in series-parallel package assembly of soft package lithium battery, for solving existing lithium battery group connection in series-parallel
Complex structure, poor universality, maintenance cost problem high.
In order to solve the above problems, the present invention provides a kind of connection in series-parallel package assembly of soft package lithium battery, including Soft Roll lithium
Battery, the soft package lithium battery is provided with positive pole ear and negative lug, and also including fixed plate, the fixed plate is provided with and supplies institute
State positive pole ear, the electrode through hole that the negative lug is passed through, two adjacent electrode through holes in the fixed plate it
Between be further fixed on pad, the positive pole ear of the soft package lithium battery, the negative lug bending are coated on corresponding described
The upside of pad；Also include being fixed in the fixed plate positive pole ear, the negative lug are pressed on into the pad
On conducting copper, the width of the conducting copper is more than or equal to two adjacent pads in the fixed plate upslide movie queen
View field width with simultaneously compress at least two adjacent pads.
The connection in series-parallel package assembly of the soft package lithium battery that the present invention is provided also has following technical characteristic：
Further, pilot hole is equipped with the positive pole ear, the negative lug, the pad is provided with screwed hole, institute
State conducting copper and be provided with fixing hole, screw sequentially passes through the fixing hole, the pilot hole and coordinates institute with the screwed hole
State conducting copper be fixed in the fixed plate and by the positive pole ear, the negative lug be pressed on the pad with it is described
Between conducting copper.
Further, two pilot holes are equipped with the positive pole ear, the negative lug, the pilot hole is
U-shaped opening elongated hole, the screwed hole, the fixing hole are correspondingly arranged with the pilot hole.
Further, the fixed plate be provided between two adjacent electrode through holes and with the screwed hole pair
The mounting hole answered, the end of the screw passes through the mounting hole.
Further, the fixed plate be provided between two adjacent electrode through holes and with the screwed hole pair
The mounting hole answered, is provided with the boss coordinated with the mounting hole on the downside of the pad, the boss is arranged in the mounting hole
Interior, the screwed hole runs through the boss.
Further, the two ends of the pad are additionally provided with the locating detent of downward bending, and the fixed plate is provided with location hole,
The locating detent is located in the location hole to prevent the pad from rotating.
Further, it is additionally provided with spring shim between the screw and the conducting copper.
Further, the fixed plate is PCB fixed plates, and the upper surface of the fixed plate is provided with deposited copper tin coating, described
Pad is fixed in the fixed plate by soldering.
Further, the material of the conducting copper is that the surface of red copper and the conducting copper is provided with nickel coating.
The present invention has the advantages that：The series parallel structure of the soft package lithium battery, the lug of single-unit soft package lithium battery
Through the electrode through hole bending in fixed plate on the upside of pad, lug is then pressed on by pad and conductive copper by conducting copper
Between row；Single conducting copper can compress at least two adjacent pads, can be compressed by the conducting copper using different in width
The adjacent pads of varying number, realize the parallel connection of the adjacent soft package lithium battery of varying number, by the conduction using different in width
Copper bar compresses the series connection that positive pole ear, negative lug can realize the soft package lithium battery of varying number respectively, changes series-parallel system
The conducting copper of different in width need to be only changed, easy to adjust, versatility is good；When single-unit soft package lithium battery is damaged, only phase need to be unclamped
The soft package lithium battery for damaging is changed by the conducting copper answered, it is easy to maintenance；The structure is also in the short transverse of battery
On save space, improve Li-ion batteries piles energy volume ratio and energy to weight ratio.
Brief description of the drawings
Fig. 1 is the structural representation of the connection in series-parallel package assembly of the soft package lithium battery of the embodiment of the present invention；
Fig. 2 is the partial enlarged view in A portions in Fig. 1；
Fig. 3 is the structural representation of the connection in series-parallel package assembly of another kind soft package lithium battery of the invention；
Fig. 4 is the top view of the connection in series-parallel package assembly of the soft package lithium battery in Fig. 3；
Fig. 5 is the sectional view in B-B directions in Fig. 4；
Fig. 6 is the partial enlarged view in C portions in Fig. 5；
Fig. 7 is the structural representation of single-unit soft package lithium battery in the embodiment of the present invention；
Fig. 8 is the structural representation of fixed plate in the embodiment of the present invention；
Fig. 9 is the structural representation of pad in the embodiment of the present invention；
Figure 10 is the sectional view of the pad in Fig. 9；
Figure 11 is a kind of structural representation of the conducting copper in the embodiment of the present invention；
Figure 12 is the structural representation of another conducting copper in the embodiment of the present invention.
Specific embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that not conflicting
In the case of, the embodiment in the present invention and the feature in embodiment can be mutually combined.
In one embodiment of the connection in series-parallel package assembly of soft package lithium battery of the invention as shown in Figures 1 to 12, should
The connection in series-parallel package assembly of soft package lithium battery includes soft package lithium battery 10, and soft package lithium battery 10 is provided with positive pole ear 11 and negative pole
Lug 12, also including fixed plate 20, the fixed plate is provided with the electrode through hole passed through for positive pole ear 11, negative lug 12
21, it is further fixed on pad 30, the positive pole ear of soft package lithium battery 10 between two adjacent electrode through holes 21 in fixed plate 20
11st, the bending of negative lug 12 is coated on the upside of corresponding pad 30；Also include be fixed in fixed plate 20 by positive pole ear 11,
Negative lug 12 is pressed on the conducting copper 40 on pad 30, and the width of conducting copper 40 is more than or equal to two adjacent pads 30
The view field of the upslide movie queen of fixed plate 20 width with simultaneously compress at least two adjacent pads 30.In the embodiment
The series parallel structure of soft package lithium battery, the lug of single-unit soft package lithium battery is through the electrode through hole bending in fixed plate on pad
, be pressed on lug between pad and conducting copper by conducting copper then by side；Single conducting copper can compress at least two
Adjacent pad, the adjacent pads of varying number can be compressed by the conducting copper using different in width, realize varying number
The parallel connection of adjacent soft package lithium battery, compressing positive pole ear, negative lug respectively by the conducting copper using different in width can be real
The series connection of the soft package lithium battery of existing varying number, changing series-parallel system need to only change the conducting copper of different in width, adjustment side
Just, versatility is good；Single-unit soft package lithium battery damage when, only need to unclamp corresponding conducting copper can to damage soft package lithium battery
Changed, it is easy to maintenance.Specifically, as shown in Fig. 1, Fig. 3, Fig. 4, the width of conducting copper 40 can be carried out as needed
Exchange, conveniently adjust the series-parallel system of each soft package lithium battery to form the battery pack of different voltages and capacity, reached design
The part of standards of structure, versatility is good, and manufacturing cost is low；The structure also saves sky in the short transverse of battery
Between, improve Li-ion batteries piles energy volume ratio and energy to weight ratio.
In the above-described embodiments, the connection in series-parallel package assembly of soft package lithium battery also has following technical characteristic：Positive pole ear
11st, pilot hole 101 is equipped with negative lug 12, pad 30 is provided with screwed hole 31, and conducting copper 40 is provided with fixing hole 41,
Screw 50 sequentially passes through fixing hole 41, pilot hole 101 and screwed hole 31 and coordinates and is fixed in fixed plate 20 simultaneously conducting copper 40
Positive pole ear 11, negative lug 12 are pressed between pad 30 and conducting copper 40, so that conducting copper 40 is securely
It is fixed in fixed plate and clamps screwed hole 31, fixing hole 41.In this embodiment, in positive pole ear 11, negative lug 12
Two pilot holes 101 are equipped with, pilot hole 101 is U-shaped opening elongated hole, and screwed hole 31, fixing hole 41 are corresponding with pilot hole 101 to be set
Put, pilot hole 101 is set to the U-shaped opening elongated hole with opening, assembling can be easy to, will by need to only loosening screw in dismounting
The soft package lithium battery of single-unit takes out, easy to maintenance.Certainly, pilot hole 101 is set to circular hole, is torn open again after screw is taken out during maintenance
Except the single-unit soft package lithium battery for damaging, screwed hole 31, fixing hole 41 use circular hole to be fastenedly connected with screw fit realization.
In the above-described embodiments, fixed plate 20 be provided between two adjacent electrode through holes 21 and with screwed hole 31 pairs
The mounting hole 22 answered, the end of screw 50 passes through mounting hole 22, and specifically, the end of screw can be located in mounting hole 22,
Stretched out after mounting hole 22 being passed through, thus avoid the end of screw from contradicting influences tightening for screw in fixed plate so that spiral shell
Nail can be tightened reliably.
In the above-described embodiments, fixed plate 20 be provided between two adjacent electrode through holes 21 and with screwed hole 31 pairs
The mounting hole 22 answered, the downside of pad 30 is provided with the boss 32 coordinated with mounting hole 22, and boss 32 is arranged in mounting hole 22, spiral shell
Pit 31 runs through boss 32, and boss causes that pad 30 is fixed reliable in fixed plate 20, sets boss and spiral shell with mounting hole cooperation
Pit increased the length of screwed hole through boss so that screw tightens reliability in screwed hole.
In the above-described embodiments, the two ends of pad 30 are additionally provided with the locating detent 33 of downward bending, and fixed plate 20 is provided with fixed
Position hole 23, locating detent 33 is located in location hole 23 to prevent pad 30 from rotating, and specifically, locating detent is located in location hole
Pad is rotated during preventing screw-driving, it is ensured that screw is reliably tightened so that screw is by conducting copper and pad, fixed plate can
By fixation.Spring shim 52 is additionally provided between screw 50 and conducting copper 40, so that screw fixes reliability, is difficult to loosen.
Fixed plate 20 can be PCB fixed plates, and the upper surface of fixed plate 20 is provided with deposited copper tin coating, and pad 30 is fixed by soldering
In fixed plate 30, so that pad is connected reliable with fixed plate, it is difficult to loosen, comes off.The material of conducting copper 40 can be with
For the surface of red copper and conducting copper 40 is provided with nickel coating, the electric conductivity of conducting copper is thereby guaranteed that.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
Modified with to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (9)
1. a kind of connection in series-parallel package assembly of soft package lithium battery, including soft package lithium battery, the soft package lithium battery is provided with positive pole
Lug and negative lug, it is characterised in that also including fixed plate, the fixed plate are provided with for the positive pole ear, described negative
The electrode through hole that pole lug is passed through, is further fixed on pad, institute between two adjacent electrode through holes in the fixed plate
State the upside that the positive pole ear of soft package lithium battery, the negative lug bending are coated on the corresponding pad；Also include
The conducting copper positive pole ear, the negative lug being pressed on the pad is fixed in the fixed plate, it is described
The width of conducting copper is more than or equal to width of two adjacent pads in the view field of the fixed plate upslide movie queen
To compress at least two adjacent pads simultaneously.
2. the connection in series-parallel package assembly of soft package lithium battery according to claim 1, it is characterised in that the positive pole ear,
Pilot hole is equipped with the negative lug, the pad is provided with screwed hole, and the conducting copper is provided with fixing hole, screw
The fixing hole, the pilot hole is sequentially passed through the conducting copper is fixed in the fixed plate with screwed hole cooperation
And the positive pole ear, the negative lug are pressed between the pad and the conducting copper.
3. the connection in series-parallel package assembly of soft package lithium battery according to claim 2, it is characterised in that the positive pole ear,
It is equipped with two pilot holes in the negative lug, the pilot hole is U-shaped opening elongated hole, it is the screwed hole, described solid
Determine hole to be correspondingly arranged with the pilot hole.
4. the connection in series-parallel package assembly of soft package lithium battery according to claim 3, it is characterised in that set in the fixed plate
Have between two adjacent electrode through holes and mounting hole corresponding with the screwed hole, the end of the screw passes through institute
State mounting hole.
5. the connection in series-parallel package assembly of soft package lithium battery according to claim 3, it is characterised in that set in the fixed plate
Have between two adjacent electrode through holes and mounting hole corresponding with the screwed hole, be provided with the downside of the pad with
The boss that the mounting hole coordinates, the boss is arranged in the mounting hole, and the screwed hole runs through the boss.
6. the connection in series-parallel package assembly of soft package lithium battery according to claim 3, it is characterised in that the two ends of the pad
Be additionally provided with the locating detent of downward bending, the fixed plate is provided with location hole, the locating detent be located in the location hole with
Prevent the pad from rotating.
7. the connection in series-parallel package assembly of soft package lithium battery according to claim 3, it is characterised in that the screw with it is described
Spring shim is additionally provided between conducting copper.
8. the connection in series-parallel package assembly of soft package lithium battery according to claim 1, it is characterised in that the fixed plate is
PCB fixed plates, the upper surface of the fixed plate is provided with deposited copper tin coating, and the pad is fixed on the fixation by soldering
On plate.
9. the connection in series-parallel package assembly of soft package lithium battery according to claim 1, it is characterised in that the conducting copper
Material is provided with nickel coating for the surface of red copper and the conducting copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710253894.9A CN106910864A (en) | 2017-04-18 | 2017-04-18 | A kind of connection in series-parallel package assembly of soft package lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710253894.9A CN106910864A (en) | 2017-04-18 | 2017-04-18 | A kind of connection in series-parallel package assembly of soft package lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106910864A true CN106910864A (en) | 2017-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710253894.9A Pending CN106910864A (en) | 2017-04-18 | 2017-04-18 | A kind of connection in series-parallel package assembly of soft package lithium battery |
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| Country | Link |
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| CN (1) | CN106910864A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107959041A (en) * | 2017-11-27 | 2018-04-24 | 桑顿新能源科技有限公司 | A kind of small module of soft pack cell and its grouping method |
| CN110446343A (en) * | 2019-07-31 | 2019-11-12 | 苍南县磊铭电动车有限公司 | A kind of soft package lithium battery assembling tab PCB and its technique |
| CN114824668A (en) * | 2022-03-31 | 2022-07-29 | 东风汽车集团股份有限公司 | Series-parallel switching device, battery pack and vehicle |
-
2017
- 2017-04-18 CN CN201710253894.9A patent/CN106910864A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107959041A (en) * | 2017-11-27 | 2018-04-24 | 桑顿新能源科技有限公司 | A kind of small module of soft pack cell and its grouping method |
| CN110446343A (en) * | 2019-07-31 | 2019-11-12 | 苍南县磊铭电动车有限公司 | A kind of soft package lithium battery assembling tab PCB and its technique |
| CN114824668A (en) * | 2022-03-31 | 2022-07-29 | 东风汽车集团股份有限公司 | Series-parallel switching device, battery pack and vehicle |
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