CN107591507A - A kind of soft package lithium battery group and its assemble method - Google Patents
A kind of soft package lithium battery group and its assemble method Download PDFInfo
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- CN107591507A CN107591507A CN201710803288.XA CN201710803288A CN107591507A CN 107591507 A CN107591507 A CN 107591507A CN 201710803288 A CN201710803288 A CN 201710803288A CN 107591507 A CN107591507 A CN 107591507A
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- lithium battery
- cover plate
- soft
- battery group
- soft package
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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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Abstract
The present invention provides a kind of soft package lithium battery group and its assemble method, including iron case, some lithium battery modules are removably connected with the iron case, the lithium battery module is provided with power line leadout hole, and some lithium battery modules pass through the power line leadout hole series/parallel；The iron case is additionally provided with BMS components and the communication interface being electrically connected with the BMS components, the communication interface is electrically connected with the power supply selecting module in the iron case, and the power supply selecting module is used for the output voltage for selecting and switching the soft package lithium battery group.The present invention has the advantages of simple assembling, stabilized structure, stable performance, long service life.
Description
Technical field
The invention belongs to power battery technology field, and in particular to a kind of soft package lithium battery group and its assemble method.
Background technology
Soft package lithium battery is the battery of the one layer of polymeric shell on liquid lithium ionic cell set, and plastic-aluminum is used in structure
Film is packed, and in the case where potential safety hazard occurs, soft-package battery is at most only understood air-blowing and split, therefore general safety performance is high, but with
Economic constantly development, people it is also proposed higher requirement to soft package lithium battery group, and existing lithium battery group installation is complicated,
Technique is cumbersome, it is necessary to make improvement.
A kind of soft package lithium battery group of patent, application number (CN201620276184.9), discloses a kind of soft package lithium battery group,
Including at least two single lithium batteries, the lithium battery group includes the positive pole copper sheet with the single lithium battery, negative pole copper respectively
The cathode metal plate and negative metal plate that piece is attached, and the positive pole copper sheet of the single lithium battery, negative pole copper sheet are divided
The fastener of the cathode metal plate and negative metal plate is not fastened to.Although the patent stabilizes electric current using fastener and passed
It is defeated, but fastener versatility itself is low, can not meet large-scale industry demand, and make it that originally complicated package assembly is more multiple
It is miscellaneous.
Therefore be badly in need of wanting it is a kind of assemble simple, stabilized structure, stable performance, service life length soft package lithium battery group and its
Assemble method.
The content of the invention
It is an object of the invention to provide a kind of soft package lithium battery group and its assemble method, answered with solving prior art construction
The problem of miscellaneous, stability shortcoming, volume are greatly, the life-span is not long.
The invention provides following technical scheme：
A kind of soft package lithium battery group, including iron case, some lithium battery modules are removably connected with the iron case, it is described
Lithium battery module is provided with power line leadout hole, and some lithium battery modules pass through the power line leadout hole series/parallel；It is described
Iron case is additionally provided with BMS components and the communication interface being electrically connected with the BMS components, and the communication interface, which is electrically connected with, to be set
Power supply selecting module in the iron case, the power supply selecting module are used to select and switch the defeated of the soft package lithium battery group
Go out voltage.
Preferably, the lithium battery module is provided with matching the first cover plate and the second cover plate, first cover plate and
Second cover plate is provided with nut and standing screw, and first cover plate and second cover plate pass through the nut and described solid
Determine screw rod and fix the lithium battery module.
Preferably, first cover plate is provided with the protective plate to match with the power line leadout hole size.
Preferably, between first cover plate and the lithium battery module, second cover plate and the lithium battery module
Between, it is respectively equipped with the first rubber blanket and the second rubber blanket.
Preferably, the lithium battery module both sides are provided with are cooperated with first cover plate and second cover plate vertically
The first epoxy plate and the second epoxy plate.
Preferably, the lithium battery module includes some soft pack cells in parallel, and the soft pack cell both sides are provided with therewith
The dottle pin and aluminum hull of matching, the dottle pin and the aluminum hull include formula and fix the soft pack cell.
Preferably, the soft pack cell is electrically connected with the copper coin that confluxes, and the copper coin that confluxes is connected with matching electricity
Core panel.
Preferably, the soft pack cell both sides are additionally provided with installation mould, and the installation mould is some in parallel for surrounding parcel
The soft pack cell；The installation mould is provided with installing zone, and anode ear and negative electrode lug are fixed with by screw on the installing zone.
Preferably, the soft pack cell is additionally provided with binding steel and cover plate, and the installation mould is provided with fixing groove, the binding
Steel band matches the fixing groove, the cover plate and the battery core panel clamping.
A kind of assemble method of soft package lithium battery group, comprises the following steps, S1：Some soft pack cells are in parallel, by every
Pad and aluminum hull install the soft pack cell comprising formula, and the both positive and negative polarity pole piece of the soft pack cell is embedded in the copper coin that confluxes；
S2：The soft pack cell in parallel in S1 is surrounded into parcel by installing mould, the installation mould is provided with fixing groove, then by described
Fixing groove is bundled using binding steel to whole soft pack cell in parallel；S3：The soft pack cell bundled in S2 is led to
The copper coin clamping battery core panel that confluxes crossed in S1 so that the battery core panel and the copper coin cooperation of confluxing；S4：Will be soft in S3
Bag battery core is electrically connected with the copper coin that confluxes by anode ear and negative electrode lug, and is fixed on the anode ear and negative electrode lug by screw
On the installation mould, by cover plate lid in the end face of battery core panel, the assembling of single lithium battery module is completed；S5：Described in S4
Lithium battery module polarity it is relative be installed together, the first epoxy plate and the second epoxy plate are wrapped up at left and right sides of it, at it
Inner side the first rubber blanket of parcel and the second rubber blanket up and down, in its outside the first cover plate of parcel and the second cover plate, then pass through up and down
Standing screw is avoided after lithium battery module penetrates, fastening from top with nut from the bottom to top.S6：The lithium battery mould that will be fixed in S5
Group is removably assembled in iron case, realizes the assembling of whole soft package lithium battery group.
The beneficial effects of the invention are as follows：
1st, using power supply selecting module, coordinate BMS components and communication interface, realize the adjustable output of lithium battery group, apply
Scope is wide, and security performance is strong；
2nd, using dismountable lithium battery module, it is easy to the use of occasion adjustment overall volume, it is easy to assembly, simple；
3rd, using binding steel and battery core panel and cover plate, make the structure of single lithium battery module more firm；
4th, application scenario of the present invention is wide, and flexible matching can be achieved, and properity consolidates, easy to spread.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
Apply example to be used to explain the present invention together, be not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is configuration schematic diagram of the present invention；
Fig. 2 is present invention assembling overall structure diagram；
Fig. 3 is single lithium battery module configuration schematic diagram；
In figure：1. lithium battery module, 101. soft pack cells, 102. dottle pins, 103. aluminum hulls, 104. conflux copper coin, 105. electricity
Core panel, 106. installation moulds, 1061. installing zones, 1062. anode ears, 1063. negative electrode lugs, 107. cover plates, 108. binding steels,
2.BMS components, 3. iron casees, 4. communication interfaces, 5. power line leadout holes, 51. protective plates, 6. first epoxy plates, 7. second epoxies
Plate, 8. first rubber blankets, 9. second rubber blankets, 10. first cover plates, 11. second cover plates, 12. nuts, 13. standing screws.
Embodiment
As shown in Figure 1 to Figure 3, a kind of soft package lithium battery group, including iron case 3, some lithiums are removably connected with iron case 3
Battery modules 1, lithium battery module 1 are provided with power line leadout hole 5, and some lithium battery modules 1 are serial/parallel by power line leadout hole 5
Connection；Iron case 3 is additionally provided with BMS components 2 and the communication interface 4 being electrically connected with BMS components 2, and communication interface 4, which is electrically connected with, to be set
In the power supply selecting module in iron case 3, power supply selecting module is used for the output voltage for selecting and switching soft package lithium battery group.
Lithium battery module 1 is provided with matching the first cover plate 10 and the second cover plate 11, the first cover plate 10 and the second cover plate
11 are provided with nut 12 and standing screw 13, and the first cover plate 10 and the second cover plate 11 fix lithium electricity by nut 12 and standing screw 13
Pond module 1.First cover plate 10 is provided with the protective plate 51 to match with the size of power line leadout hole 5.First cover plate 10 and lithium electricity
Between pond module 1, between the second cover plate 11 and lithium battery module 1, the first rubber blanket 8 and the second rubber blanket 9 are respectively equipped with.Lithium electricity
The both sides of pond module 1 are provided with the first epoxy plate 6 and the second epoxy plate to be cooperated with the first cover plate 10 and the second cover plate 11 vertically
7。
Lithium battery module 1 includes some soft pack cells 101 in parallel, the both sides of soft pack cell 101 be provided with it is matching every
Pad 102 and aluminum hull 103, dottle pin 102 and aluminum hull 103 include formula and fix soft pack cell 101.Soft pack cell 101 is electrically connected with remittance
Copper coin 104 is flowed, the copper coin 104 that confluxes is connected with matching battery core panel 105.The both sides of soft pack cell 101 are additionally provided with installation mould
106, installation mould 106 is used to surround some soft pack cells 101 in parallel of parcel；Installation mould 106 is provided with installing zone 1061, installing zone
Anode ear 1062 and negative electrode lug 1063 are fixed with by screw on 1061.Soft pack cell 101 is additionally provided with binding steel 108 and cover plate
107, installation mould 106 is provided with fixing groove, and binding steel 108 matches fixing groove, cover plate 107 and the clamping of battery core panel 105.
The assemble method of above-mentioned soft package lithium battery group, comprises the following steps,
S1：Some soft pack cells 101 are in parallel, soft pack cell 101 is installed comprising formula by dottle pin 102 and aluminum hull 103,
And the both positive and negative polarity pole piece of soft pack cell 101 is embedded in the copper coin 104 that confluxes；
S2：Soft pack cell 101 in parallel in S1 is surrounded into parcel by installing mould 106, installation mould 106 is provided with fixing groove,
Whole soft pack cell 101 in parallel is bundled using binding steel 108 by fixing groove again；
S3：The soft pack cell 101 bundled in S2 is passed through into the clamping battery core panel 105 of copper coin 104 that confluxes in S1 so that electricity
Core panel 105 coordinates with the copper coin 104 that confluxes；
S4：Soft pack cell 101 in S3 is electrically connected with the copper coin 104 that confluxes by anode ear 1062 and negative electrode lug 1063,
And anode ear 1062 and negative electrode lug 1063 are fixed on installation mould 106 by screw, cover plate 107 is covered in battery core panel 105
End face, complete the assembling of single lithium battery module；
S5：It is installed together the lithium battery module polarity in S4 is relative, the first epoxy plate 6 is wrapped up at left and right sides of it
With the second epoxy plate 7, at it, the first rubber blanket 8 and the second rubber blanket 9 are wrapped up in inner side up and down, lid of outside parcel first above and below it
The cover plate 11 of plate 10 and second, then avoided from the bottom to top after lithium battery module 1 penetrates by standing screw 13, from top with nut 12
Fastening.
S6：The lithium battery module 1 fixed in S5 is removably assembled in iron case 3, realizes whole soft package lithium battery group
Assembling.
Soft package lithium battery group assembling provided by the invention is simple, stabilized structure, stable performance, service life length.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, although with reference to foregoing reality
Apply example the present invention is described in detail, for those skilled in the art, it still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic.All essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (10)
1. a kind of soft package lithium battery group, it is characterised in that including iron case, some lithium batteries are removably connected with the iron case
Module, the lithium battery module are provided with power line leadout hole, some lithium battery modules by the power line leadout hole string/
It is in parallel；The iron case is additionally provided with BMS components and the communication interface being electrically connected with the BMS components, the communication interface electricity
Property be connected with the power supply selecting module in the iron case, the power supply selecting module is used to select and switch the Soft Roll lithium
The output voltage of battery pack.
2. a kind of soft package lithium battery group according to claim 1, it is characterised in that the lithium battery module is provided with therewith
The first cover plate and the second cover plate matched somebody with somebody, first cover plate and second cover plate are provided with nut and standing screw, and described first
Cover plate and second cover plate fix the lithium battery module by the nut and the standing screw.
A kind of 3. soft package lithium battery group according to claim 2, it is characterised in that first cover plate be provided with it is described
The protective plate that power line leadout hole size matches.
4. a kind of soft package lithium battery group according to claim 2, it is characterised in that first cover plate and the lithium battery
Between module, between second cover plate and the lithium battery module, the first rubber blanket and the second rubber blanket are respectively equipped with.
5. a kind of soft package lithium battery group according to claim 2, it is characterised in that the lithium battery module both sides are set vertically
There are the first epoxy plate and the second epoxy plate with first cover plate and second cover plate mutual cooperation.
6. a kind of soft package lithium battery group according to claim 1, it is characterised in that if the lithium battery module includes dry doubling
The soft pack cell of connection, the soft pack cell both sides are provided with matching dottle pin and aluminum hull, and the dottle pin and the aluminum hull include
Formula fixes the soft pack cell.
7. a kind of soft package lithium battery group according to claim 6, it is characterised in that the soft pack cell is electrically connected with remittance
Copper coin is flowed, the copper coin that confluxes is connected with matching battery core panel.
8. a kind of soft package lithium battery group according to claim 7, it is characterised in that the soft pack cell both sides are additionally provided with peace
Die-filling, the installation mould is used to surround some soft pack cells in parallel of parcel；The installation mould is provided with installing zone, the peace
Anode ear and negative electrode lug are fixed with by screw in dress area.
9. a kind of soft package lithium battery group according to claim 8, it is characterised in that the soft pack cell is additionally provided with binding steel
Band and cover plate, the installation mould are provided with fixing groove, and the binding steel matches the fixing groove, and the cover plate and the battery core are embedding
Board connects.
A kind of 10. assemble method of soft package lithium battery group, it is characterised in that comprise the following steps,
S1：Some soft pack cells are in parallel, the soft pack cell is included by formula installation by dottle pin and aluminum hull, and by the Soft Roll
The both positive and negative polarity pole piece insertion of battery core is confluxed in copper coin；
S2：The soft pack cell in parallel in S1 is surrounded into parcel by installing mould, the installation mould is provided with fixing groove, then passes through
The fixing groove is bundled using binding steel to whole soft pack cell in parallel；
S3：The soft pack cell bundled in S2 is passed through into the copper coin clamping battery core panel that confluxes in S1 so that the battery core is embedding
Plate and the copper coin cooperation of confluxing；
S4：Soft pack cell in S3 is electrically connected with the copper coin that confluxes by anode ear and negative electrode lug, and by screw by it is described just
Lug and negative electrode lug are fixed on the installation mould, by cover plate lid in the end face of battery core panel, complete single lithium battery module
Assembling；
S5：It is installed together the lithium battery module polarity described in S4 is relative, the first epoxy plate is wrapped up at left and right sides of it
With the second epoxy plate, at it, the first rubber blanket and the second rubber blanket are wrapped up in inner side up and down, the first cover plate of outside parcel above and below it
With the second cover plate, avoid after lithium battery module penetrates, fastening from top with nut from the bottom to top by standing screw.
S6：The lithium battery module fixed in S5 is removably assembled in iron case, realizes the assembling of whole soft package lithium battery group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710803288.XA CN107591507A (en) | 2017-09-08 | 2017-09-08 | A kind of soft package lithium battery group and its assemble method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710803288.XA CN107591507A (en) | 2017-09-08 | 2017-09-08 | A kind of soft package lithium battery group and its assemble method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107591507A true CN107591507A (en) | 2018-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710803288.XA Pending CN107591507A (en) | 2017-09-08 | 2017-09-08 | A kind of soft package lithium battery group and its assemble method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109148767A (en) * | 2018-08-08 | 2019-01-04 | 广州明美新能源有限公司 | A kind of polymer battery core and polymer battery packet |
| CN109411802A (en) * | 2018-02-01 | 2019-03-01 | 合肥国轩高科动力能源有限公司 | Soft package battery module assembling method |
| CN109818039A (en) * | 2019-02-23 | 2019-05-28 | 镇江成泰自动化技术有限公司 | Power battery module assembly method |
-
2017
- 2017-09-08 CN CN201710803288.XA patent/CN107591507A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109411802A (en) * | 2018-02-01 | 2019-03-01 | 合肥国轩高科动力能源有限公司 | Soft package battery module assembling method |
| CN109411802B (en) * | 2018-02-01 | 2020-12-11 | 合肥国轩高科动力能源有限公司 | Soft package battery module assembling method |
| CN109148767A (en) * | 2018-08-08 | 2019-01-04 | 广州明美新能源有限公司 | A kind of polymer battery core and polymer battery packet |
| CN109818039A (en) * | 2019-02-23 | 2019-05-28 | 镇江成泰自动化技术有限公司 | Power battery module assembly method |
| CN109818039B (en) * | 2019-02-23 | 2021-06-01 | 镇江成泰自动化科技有限公司 | Power battery module assembling method |
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Application publication date: 20180116 |
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| WD01 | Invention patent application deemed withdrawn after publication |