CN207338447U - A kind of waterproof soft package lithium battery module - Google Patents
A kind of waterproof soft package lithium battery module Download PDFInfo
- Publication number
- CN207338447U CN207338447U CN201720691181.6U CN201720691181U CN207338447U CN 207338447 U CN207338447 U CN 207338447U CN 201720691181 U CN201720691181 U CN 201720691181U CN 207338447 U CN207338447 U CN 207338447U
- Authority
- CN
- China
- Prior art keywords
- soft package
- lithium battery
- package lithium
- battery module
- upper cover
- Prior art date
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 36
- 238000007789 sealing Methods 0.000 claims abstract description 40
- 239000000565 sealant Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000003292 glue Substances 0.000 claims description 19
- 238000005192 partition Methods 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 25
- 238000005266 casting Methods 0.000 description 13
- 229920001971 elastomer Polymers 0.000 description 7
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium Ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920001342 Bakelite® Polymers 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Abstract
It the utility model is related to a kind of waterproof soft package lithium battery module.Waterproof soft package lithium battery module includes battery case and upper cover, battery case and upper cover sealing fasten, multiple battery cores are equipped with battery case, multiple battery cores are electrically connected by busbar assembly, waterproof soft package lithium battery module further includes the positive and negative electrode pole being connected with busbar assembly, upper lid is equipped with the pole perforation passed through for positive and negative electrode pole, and sealant pouring and sealing is used between positive and negative electrode pole and upper cover.Fastened by the sealing of upper cover and battery case, it ensure that upper cover and the sealing performance of battery case junction, by carrying out sealant pouring and sealing at positive and negative electrode pole and signal acquisition harness and the mounting hole of upper cover, it ensure that the sealing performance at mounting hole, being fully sealed to the shell of lithium battery module can be realized by above sealing means, ensure that water and dust cannot enter inside the housing of module, there is good dustproof and waterproof performance, significantly improve security when module uses.
Description
Technical field
It the utility model is related to a kind of waterproof soft package lithium battery module.
Background technology
Lithium ion battery has that light-weight, energy storage is big, power is big, pollution-free, long lifespan, self discharge coefficient are small, temperature is fitted
The advantages that answering scope wide, therefore gradually favored be subject to people, it also gradually instead of others in energy storage and power battery field
Conventional batteries.
For soft package lithium battery, in order to meet power battery and the need of energy-storage system battery high voltage and high-energy
Will, it usually needs some lithium ion batteries are subjected to serial or parallel connection, form lithium battery module.
Majority is without considering dustproof and waterproof during lithium battery module design at present, under some conditions, such as low-speed electronic automobile
During upper use lithium battery, lithium battery module is fixed on carrier frame without doing water-proofing treatment, or one under normal conditions
It is also required on a little open air energy storage devices on the premise of ensureing battery modules with some strength with excellent water proof and dust proof performance,
So as to ensure that battery can be used safely for a long time.
To solve the above-mentioned problems, it is necessary to design a kind of new modular structure, after can both having realized that multiple batteries assemble
Lug serial or parallel connection, lifts the efficient convenient of whole assembling process, and can ensure that module has excellent dustproof and waterproof
Can, ensure the security during module use.
Utility model content
The purpose of this utility model is to provide it is a kind of not only assembled it is efficiently convenient but also with good dustproof and waterproof performance
Waterproof soft package lithium battery module.
To achieve the above object, the waterproof soft package lithium battery module of the utility model adopts the following technical scheme that：
Technical solution 1：Waterproof soft package lithium battery module includes battery case and upper cover, and battery case and upper cover sealing fasten, electricity
Multiple battery cores are equipped with the box of pond, multiple battery cores are electrically connected by busbar assembly, and waterproof soft package lithium battery module is further included and converged
The positive and negative electrode pole of stream row's component connection, upper lid are equipped with the pole perforation passed through for positive and negative electrode pole, positive and negative electrode pole with
Sealant pouring and sealing is used between upper cover.
Technical solution 2：On the basis of technical solution 1, the pole perforation is up big and down small stepped hole, stepped hole
Upper end major diameter section forms encapsulating space.
Technical solution 3：On the basis of technical solution 2, equal encapsulating is packaged with sealing ring in the stepped hole.
Technical solution 4：On the basis of technical solution 1-3 any one, it is installed with the battery case for separating electricity
Battery inside space is divided into multiple battery accommodating spaces by the partition plate of core, partition plate.
Technical solution 5：On the basis of technical solution 4, casting glue is inoculated with the battery accommodating space so as to fixed electricity
The heat that core and absorption and conduction battery core produce.
Technical solution 6：On the basis of technical solution 1-3 any one, battery case and upper cover pass through heat-sealing after fastening
Or glue envelope mode is sealed.
Technical solution 7：On the basis of technical solution 6, the top edge of battery case and the lower edge of upper cover are respectively equipped with phase
Mutually occlusion with realize battery case and upper cover fastening occlusion structure.
Technical solution 8：On the basis of technical solution 1-3 any one, the busbar assembly is including insulating part and admittedly
The multiple bus-bars being scheduled on insulating part.
Technical solution 9：On the basis of technical solution 8, the positive and negative electrode pole includes connection sheet and is located at connection sheet
On conductive column, conductive column top is equipped with threaded connection hole, and connection sheet is equipped with the bolt hole for being used for being connected with busbar assembly,
Conductive column stretches out the pole perforation.
Technical solution 10：On the basis of technical solution 1-3 any one, signal acquisition is also associated with busbar assembly
Harness, upper lid are equipped with the harness perforation passed through for signal acquisition harness.
Technical solution 11：It is close by encapsulating between the signal acquisition harness and upper cover on the basis of technical solution 10
Envelope.
Technical solution 12：On the basis of technical solution 11, harness perforation is up big and down small stepped hole, stepped hole
Upper end major diameter section form encapsulating space.
Technical solution 13：On the basis of technical solution 10, the signal acquisition harness outer end is equipped with water proof type plug connector
Water resistance during ensureing grafting.
The beneficial effects of the utility model are：The waterproof soft package lithium battery module of the utility model includes battery case and upper
Lid, battery case and upper cover sealing fasten, and multiple battery cores are equipped with battery case, and multiple battery cores are electrically connected by busbar assembly, are prevented
Water soft package lithium battery module further includes the positive and negative electrode pole being connected with busbar assembly, and upper lid is equipped with and is worn for positive and negative electrode pole
The pole perforation crossed, uses sealant pouring and sealing between positive and negative electrode pole and upper cover.Fastened, protected by the sealing of upper cover and battery case
Upper cover and the sealing performance of battery case junction have been demonstrate,proved, has passed through installing in positive and negative electrode pole and signal acquisition harness and upper cover
Sealant pouring and sealing is carried out at hole, the sealing performance at mounting hole is ensure that, can be realized to lithium battery module by above sealing means
Shell be fully sealed, ensure that water and dust cannot enter inside the housing of module, have a good dustproof and waterproof performance,
Significantly improve security when module uses.
Further, the setting of stepped hole not only facilitates the placement of sealant rubber ring, but also facilitates encapsulating；Sealant rubber ring is set
Put so that the gap sealing between positive and negative electrode pole and signal acquisition harness and upper cover is closer, raising seals grade.
Further, the mode that battery case and upper cover are sealed by way of heat-sealing or glue envelope not only side easy to operate
Just, and sealing performance is excellent.
Further, battery case and the upper setting for covering occlusion structure are so that battery case and upper cover are very square when covering
Just, it while can also increase area in sealing contact, further improve sealing performance.
Further, before battery core is put into battery case, suitable two-component casting glue is injected in battery case first,
The fixation of battery core can be achieved in casting glue after fixing, in addition, the heat that battery core produces in use can also be conducted to filling in time
In sealing, so as to reduce battery core temperature, improve the security performance of module.
Further, in battery case trellis setting, can not only strengthen the structural strength of module, but also can subtract
The accumulated error of small battery core heap poststack.
Further, multiple bus-bars are integrally formed the busbar assembly of formula on plastic parts so that assembling process is more
Add simple and convenient, raising efficiency of assembling.
Further, positive and negative electrode pole can facilitate connection with bus-bar by the setting of connection sheet, screw thread on conductive column
The setting of connecting hole facilitates the crimping on positive and negative electrode pole again.
Brief description of the drawings
Fig. 1 is the structure diagram of the battery case in the utility model waterproof soft package lithium battery module embodiment；
Fig. 2 is the view of battery core assembling；
Fig. 3 is the structure diagram of busbar assembly；
Fig. 4 is view when busbar assembly assembles；
Fig. 5 is the view after lug bending welding；
Fig. 6 is view when positive and negative electrode pole assembles；
Fig. 7 is upper cover and the view before battery capsule；
Fig. 8 is upper cover and the view after battery capsule；
Fig. 9 is view when sealant rubber ring assembles；
Figure 10 is the view after positive and negative electrode pole and signal acquisition harness sealant pouring and sealing.
In figure：1- battery cases；11- grid；12- boss；2- battery cores；3- busbar assemblies；31- bus-bars；32- plastic cement
Part；33- signal acquisitions hole；34- pole mounting holes；4- lugs；Lug after 5- folds；6- poles；61- conductive columns；62- screw threads connect
Connect hole；63- connection sheets；64- bolts hole；7- upper covers；71- Positive Poles grooves；72- anode pole grooves；73- signal acquisition lines
Beam groove；74- signal acquisition harness；75- water proof type plug connectors；76- upper cover lower edges；77- battery case top edges；78- is sealed
Circle；8- casting glues.
Embodiment
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
The specific embodiment of the waterproof soft package lithium battery module of the utility model, with reference to assembling process and attached drawing 1-10
It is described.Waterproof lithium battery module include battery case 1, upper cover 7, the battery core 2 in battery case 1, for converge connect
The busbar assembly 3 connect, the positive and negative electrode pole 6 and signal acquisition harness 74 that are connected with bus-bar 31.
Battery case 1 is internally provided with trellis, and trellis is separated by polylith partition plate, and the space in grid 11 can
To accommodate battery core 2, not only strengthen modular structure intensity, but also the accumulated error after battery core 2 stacks can be reduced.Battery case top
The inner ring of edge 77 has a circle boss 12, for increasing the area in sealing contact of battery case 1 and upper cover 7.
Appropriate bi-component casting glue 8 is poured into battery case 1, then battery core 2 is sequentially placed into battery case 1, in embedding
The fixation of battery core 2 is realized after the solidification of glue 8.The heat that battery core 2 produces in use can also be transmitted to casting glue 8 in time
In, 2 temperature of battery core is reduced, lifts the security performance of module.
It is fixed in plastic parts 32 and is formed by injection or other fixed form for series-parallel multiple bus-bar 31
The busbar assembly 3 of integral type, moulding are insulation board, the substrate installed as bus-bar 31.Wherein, bus-bar 31 is equipped with
Signal acquisition hole 33 and pole mounting hole 34, corresponding to riveting below hole has nut, be respectively used to signal acquisition harness 74 and
Pole 6 connects.
Busbar assembly 3 is inserted into cell polar ear 4 from top to bottom so that cell polar ear 4 can be to pass through on bus-bar 31
In corresponding slot hole, lug 4 is escaped to outside bus-bar 31, in order to subsequently turn down the operation of lug 4.
After the fold of lug 4 is flattened on bus-bar 31, lug 4 is weldingly fixed on bus-bar 31 by laser welding,
So as to fulfill the connection in series-parallel of battery modules.
Positive Poles are copper material as anode pole column structure, are conducted electricity very well, and top is cylindrical conduction
There is threaded connection hole 62 at column 61, the center of conductive column 61, facilitates the crimping of conducting wire.Lower part is connection sheet 63, the two of connection sheet 63
End is useful for the bolt hole 64 for being fixedly connected with pole 6 with bus-bar 31, realizes the extraction of cathode and anode.
There is sealing ring 78 on signal acquisition harness 74, the present embodiment uses seal rubber plug, by adopting for signal acquisition harness 74
Collection end sequentially passes through upper cover 7（Seal rubber plug is in the outside of upper cover 7）, then by Positive Poles, anode pole and signal acquisition line
Beam 74 is bolted on busbar assembly 3, and collection harness exposed junction has water proof type plug connector 75.7 upper surface pair of upper cover
Positive Poles, anode pole and signal acquisition harness 74 is answered to have Positive Poles groove 71, anode pole groove 72 and signal respectively
Harness groove 73 is gathered, groove and perforation form stepped hole.
Then module upper cover lower edge 76 is corresponded to and be placed at battery case top edge 77, divided wherein on battery case 1 and upper cover 7
By heat-sealing or glue envelope technique after the occlusion structure that She You be mutually twisted, battery case 1 and the fastening of upper cover 7, battery case 1 is realized
With the sealing of upper cover 7.
O-shaped rubber seal 78 on being covered respectively in Positive Poles and anode pole, then by Positive Poles, anode pole
All shift the bottom of its groove onto with the sealing ring 78 on signal acquisition harness 74, with block pole 6 and signal acquisition harness 74 with
Assembling gap between upper cover 7.
Poured respectively at the Positive Poles groove 71 in upper cover 7, anode pole groove 72 and signal acquisition harness groove 73
Casting glue 8 is noted, so as to fulfill the further sealing of Positive Poles, anode pole and signal acquisition harness 74, improves its sealing
Performance.In order to distinguish positive and negative electrode pole, the casting glue 8 at Positive Poles can be arranged to red, the casting glue at anode pole
8 can set au bleu, and the casting glue 8 at signal acquisition harness 74 can be arranged to except other red and blueness colors such as
Yellow etc..
The utility model passes through the solidifying of casting glue 8 by being put into battery core 2 in the battery case 1 with two-component casting glue 8
The fixation of solid existing battery core 2, realizes the serial or parallel connection between battery core 2 by integral type busbar assembly 3, passes through battery case 1
Heat-sealing or glue envelope with upper cover 7, by right in the O-shaped rubber ring on positive and negative electrode pole and signal acquisition harness 74 and upper cover 7
The groove of positive and negative electrode pole and signal acquisition harness 74 is answered, by irrigating two-component fluid sealant in groove, so as to fulfill whole
The dust-proof and waterproof of module.Modular structure is simple, and assembling is convenient, has excellent dustproof and waterproof performance, it is ensured that module exists
Security during use.
In other embodiments：Battery case can also use other sealed connection modes with upper cover, for example with specialty tape
Bonding, or set the sealing ring of rectangle to seal etc. by between battery case and upper cover；Casting glue also can be replaced other
The fluid sealant of type, but need to ensure that fluid sealant has insulation, heat-resisting performance；The form of trellis is also not necessarily limited to institute in figure
The structure of display, also can divide smaller or larger by grid, one or more correspondingly can be once accommodated in grid
Battery core；Plastic parts also can be replaced the insulating part of other isolation materials making, such as bakelite, plastics etc.；Positive and negative electrode pole is with converging
The connection mode of stream row also can be replaced the modes such as welding, bonding.
Claims (13)
1. waterproof soft package lithium battery module, it is characterized in that, including battery case and upper cover, battery case and upper cover sealing fasten, battery
Multiple battery cores are equipped with box, multiple battery cores are electrically connected by busbar assembly, and waterproof soft package lithium battery module is further included and converged
Arrange the positive and negative electrode pole of component connection, upper lid is equipped with the pole perforation passed through for positive and negative electrode pole, positive and negative electrode pole with it is upper
Sealant pouring and sealing is used between lid.
2. waterproof soft package lithium battery module according to claim 1, it is characterized in that, the pole perforation is up big and down small
Stepped hole, the upper end major diameter section of stepped hole form encapsulating space.
3. waterproof soft package lithium battery module according to claim 2, it is characterized in that, equal encapsulating is packaged with the stepped hole
Sealing ring.
4. the waterproof soft package lithium battery module according to claim 1-3 any one, it is characterized in that, it is solid in the battery case
Equipped with the partition plate for separating battery core, battery inside space is divided into multiple battery accommodating spaces by partition plate.
5. waterproof soft package lithium battery module according to claim 4, it is characterized in that, it is inoculated with the battery accommodating space
Sealing so as to fix battery core and absorption and conduct battery core produce heat.
6. the waterproof soft package lithium battery module according to claim 1-3 any one, it is characterized in that, battery case and upper cover exist
Sealed after fastening by way of heat-sealing or glue envelope.
7. waterproof soft package lithium battery module according to claim 6, it is characterized in that, under the top edge and upper cover of battery case
Edge is respectively equipped with the occlusion structure for being mutually twisted the fastening to realize battery case and upper cover.
8. the waterproof soft package lithium battery module according to claim 1-3 any one, it is characterized in that, the busbar assembly
Including insulating part and the multiple bus-bars being fixed on insulating part.
9. waterproof soft package lithium battery module according to claim 8, it is characterized in that, the positive and negative electrode pole includes connecting
Contact pin and the conductive column being located in connection sheet, conductive column top are equipped with threaded connection hole, and connection sheet, which is equipped with, to be used for and bus-bar
The bolt hole of component connection, conductive column stretch out the pole perforation.
10. the waterproof soft package lithium battery module according to claim 1-3 any one, it is characterized in that, on busbar assembly
Signal acquisition harness is also associated with, upper lid is equipped with the harness perforation passed through for signal acquisition harness.
11. waterproof soft package lithium battery module according to claim 10, it is characterized in that, the signal acquisition harness and upper cover
Between pass through sealant pouring and sealing.
12. waterproof soft package lithium battery module according to claim 11, it is characterized in that, the harness perforation is up big and down small
Stepped hole, the upper end major diameter section of stepped hole forms encapsulating space.
13. waterproof soft package lithium battery module according to claim 10, it is characterized in that, the signal acquisition harness outer end is set
Water resistance when having water proof type plug connector to ensure grafting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720691181.6U CN207338447U (en) | 2017-06-14 | 2017-06-14 | A kind of waterproof soft package lithium battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720691181.6U CN207338447U (en) | 2017-06-14 | 2017-06-14 | A kind of waterproof soft package lithium battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207338447U true CN207338447U (en) | 2018-05-08 |
Family
ID=62426533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720691181.6U Active CN207338447U (en) | 2017-06-14 | 2017-06-14 | A kind of waterproof soft package lithium battery module |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980147A (en) * | 2019-03-25 | 2019-07-05 | 深圳市依卓尔能源有限公司 | The exhaust packaging method of underwater power source |
| CN110783510A (en) * | 2019-12-11 | 2020-02-11 | 多氟多新能源科技有限公司 | Novel soft package lithium battery module scheme |
| CN110832666A (en) * | 2018-11-23 | 2020-02-21 | 深圳市大疆创新科技有限公司 | Battery case, battery pack, electronic device, and battery assembling method |
| CN113161670A (en) * | 2021-03-31 | 2021-07-23 | 海洋王（东莞）照明科技有限公司 | Explosion-proof battery box |
| CN113381103A (en) * | 2021-06-02 | 2021-09-10 | 贵州梅岭电源有限公司 | Soft packet of battery pack module |
-
2017
- 2017-06-14 CN CN201720691181.6U patent/CN207338447U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110832666A (en) * | 2018-11-23 | 2020-02-21 | 深圳市大疆创新科技有限公司 | Battery case, battery pack, electronic device, and battery assembling method |
| CN109980147A (en) * | 2019-03-25 | 2019-07-05 | 深圳市依卓尔能源有限公司 | The exhaust packaging method of underwater power source |
| CN109980147B (en) * | 2019-03-25 | 2021-10-22 | 深圳市依卓尔能源有限公司 | Exhaust packaging method for underwater power supply |
| CN110783510A (en) * | 2019-12-11 | 2020-02-11 | 多氟多新能源科技有限公司 | Novel soft package lithium battery module scheme |
| CN110783510B (en) * | 2019-12-11 | 2022-07-08 | 多氟多新能源科技有限公司 | Soft packet of lithium cell module |
| CN113161670A (en) * | 2021-03-31 | 2021-07-23 | 海洋王（东莞）照明科技有限公司 | Explosion-proof battery box |
| CN113381103A (en) * | 2021-06-02 | 2021-09-10 | 贵州梅岭电源有限公司 | Soft packet of battery pack module |
| CN113381103B (en) * | 2021-06-02 | 2022-07-22 | 贵州梅岭电源有限公司 | Soft packet of battery pack module |
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Address after: 454191 Industrial Cluster Area, Jiaozuo City, Henan Province, Standardized Workshop Area on the North Side of Xinyuan Road, West Park Patentee after: Multi-fluorine New Energy Technology Co., Ltd. Address before: 454191 Henan Jiaozuo industrial agglomeration area, West Park, Xinyuan Road, north side of the standardization workshop. Patentee before: Duofuduo (Jiaozuo) Amperex Technology Limited |