CN207124232U - A kind of high-capacity lithium-ion power battery - Google Patents
A kind of high-capacity lithium-ion power battery Download PDFInfo
- Publication number
- CN207124232U CN207124232U CN201721062278.7U CN201721062278U CN207124232U CN 207124232 U CN207124232 U CN 207124232U CN 201721062278 U CN201721062278 U CN 201721062278U CN 207124232 U CN207124232 U CN 207124232U
- Authority
- CN
- China
- Prior art keywords
- housing
- sealing gasket
- lid
- battery body
- cooling fin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 88
- 238000001816 cooling Methods 0.000 claims description 42
- 230000005611 electricity Effects 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 18
- 229910052744 lithium Inorganic materials 0.000 description 18
- 238000004146 energy storage Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses a kind of high-capacity lithium-ion power battery, including battery body, lid and one end are in the housing that opening is set, the battery body is embedded in housing, the lid closing shell nozzle end, the battery body is provided with the Positive Poles and negative pole pole for wearing out lid, the first sealing gasket in flexible setting is arranged with the Positive Poles and negative pole pole, first sealing gasket is with Positive Poles and negative pole pole in interference fit, first sealing gasket is between lid and battery body, the first sealing gasket section is in circular platform type, and the first sealing gasket section outer side edges are in circular arc, the lid offers seal groove towards battery body side, first sealing gasket is embedded in seal groove and is connected to seal groove.Because the first sealing gasket pushes against seal groove, and there is larger contact area between seal groove, therefore the probability that water flows into housing between Positive Poles and the gap of lid can be reduced.
Description
Technical field
It the utility model is related to lithium ion battery, and in particular to a kind of high-capacity lithium-ion power battery.
Background technology
Lithium-ion-power cell is usually positive electrode using lithium alloy metals oxide, graphite is negative material, is made
With the battery of nonaqueous electrolyte, lithium-ion-power cell is in mobile phone, portable computer, video camera, camera etc., part
It instead of conventional batteries.High capacity lithium ion battery uses in electric automobile and energy storage field, and it is electronic will to turn into 21 century
One of major impetus power supply of automobile, it is applied in terms of artificial satellite, Aero-Space and energy storage.With science and technology
Development, the application of lithium-ion-power cell is more and more extensive.There is lithium-ion-power cell high quality to be followed than energy, length
The ring life-span, it is environmentally safe the advantages that, progressively substitute lead-acid battery.
Existing lithium battery generally comprises battery body, housing and closure, and battery body is positioned in housing, closure
It is covered at shell nozzle and seals closure opening.Battery body is provided with Positive Poles and negative pole pole, positive pole pole
Post and negative pole pole are worn out outside closure.
In process, if Positive Poles and closure interference, Positive Poles are difficult to be fed through closure, it is easily caused
The damage of Positive Poles；If Positive Poles and closure are in gap setting, lithium battery sealing can be caused poor, cause battery
The easy waterlogged damage of body.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of high-capacity lithium-ion power electric
Pond, improves the sealing of lithium battery, and reduces the probability that Positive Poles are damaged when mounted.
To achieve the above object, the utility model provides following technical scheme：
A kind of high-capacity lithium-ion power battery, including battery body, lid and one end are in the housing that opening is set, described
Battery body is embedded in housing, and the lid closing shell nozzle end, the battery body is provided with the positive pole for wearing out lid
It is arranged with the first sealing gasket in flexible setting on pole and negative pole pole, the Positive Poles and negative pole pole, described
One sealing gasket and Positive Poles and negative pole pole in interference fit, first sealing gasket be located at lid and battery body it
Between, the first sealing gasket section is in circular platform type, and the first sealing gasket section outer side edges are in circular arc, the lid direction
Battery body side offers seal groove, and first sealing gasket is embedded in seal groove and is connected to seal groove.
By using above-mentioned technical proposal, because the first sealing gasket pushes against seal groove, and have between seal groove larger
Contact area, therefore the probability that water flows into housing between Positive Poles and the gap of lid can be reduced, reduce battery body and enter
The probability of Water Damage.Simultaneously because the first sealing gasket is in flexibility, therefore Positive Poles will not be damaged when being sheathed in Positive Poles.
It is of the present utility model to be further arranged to：Sealing spiral shell is threaded with the Positive Poles and negative pole pole
Mother, the sealing nut are located at lid back to housing side, and the sealing nut is pushed against in lid back to housing side.
By using above-mentioned technical proposal, sealing nut can drive lid to make towards housing motion during tightening
First sealing gasket preferably pushes against lid and battery body, reduces water and flows into housing between Positive Poles and the gap of lid
Probability.Simultaneously can make lid it is more stable be installed on housing.
It is of the present utility model to be further arranged to：The first sealing gasket inwall offers caulking groove, and the caulking groove is in round platform
Type and caulking groove are more than close to battery body one end radius connects the first sealing gasket phase away from battery body one end radius, the caulking groove
To battery body one end, the second sealing gasket is arranged with the Positive Poles and negative pole pole, second sealing gasket is located at
Between first sealing gasket and battery body, and second sealing gasket is embedded in caulking groove and is connected to caulking groove.
By using above-mentioned technical proposal, during sealing nut is screwed, lid moves towards battery body, now
Lid promotes the first sealing gasket to be moved towards the second sealing gasket, the second sealing gasket is embedded completely in caulking groove, improves lithium electricity
The sealing in pond.Simultaneously during the second sealing gasket is embedded in caulking groove, a thrust outwardly is lined with to the first sealing, makes the
One sealing gasket is preferably pushed against in seal groove, reduces the probability that water flows into housing between Positive Poles and the gap of lid.
It is of the present utility model to be further arranged to：The housing is in box, and the opposite both sides lateral wall of the housing is first-class
Several the first cooling fins are interval with, the another both sides lateral wall of housing is provided with the second cooling fin.
By using above-mentioned technical proposal, the contact area of housing and air is added, so as to improve dissipating for lithium battery
It is hot.
It is of the present utility model to be further arranged to：First cooling fin sets along shell length direction and along case width
Direction is provided with several at equal intervals；Second cooling fin sets along body height direction and set at equal intervals along shell length direction
There are several.
By using above-mentioned technical proposal, it is connected with respect to the first cooling fin and the second cooling fin ending, the setting reduces
The probability that housing is not provided with the first cooling fin for one week or the second cooling fin situation occurs, the structure that can preferably strengthen housing are strong
Degree, reduce the damaged possibility of housing.
It is of the present utility model to be further arranged to：Gap between two adjacent first cooling fins is the first radiating rib width
1.1 ~ 1.4 times.
By using above-mentioned technical proposal, when lithium battery is placed, the first cooling fin can be embedded to next piece of lithium battery
Between two neighboring first cooling fin, make two pieces of lithium battery phase mutuals spacing.So that lithium battery places more stable, reduction
The probability that lithium battery collapses after stacking in transportation.
It is of the present utility model to be further arranged to：First cooling fin of the housing both sides is in be staggered, the housing
First cooling fin of projection and housing opposite side of the first cooling fin of side along body height direction is non-intersect.
By using above-mentioned technical proposal, so that lithium battery can align overlapping upwards, prevent lithium battery from can only offset weight
It is folded, make lithium battery stackable more stable.
It is of the present utility model to be further arranged to：The housing and lid are sealed by PUR and fixed.
By using above-mentioned technical proposal, so that housing and lid is more stable links together, and improve lithium electricity
The sealing in pond.
It is of the present utility model to be further arranged to：Both sides are provided with fin to the lid at equal intervals along its length, described convex
Rib is corresponding with the first cooling fin and is connected to the first cooling fin, the cross section phase of the cross section of the fin and the first cooling fin
Together.
By using above-mentioned technical proposal, the contact area of lid and air is increased, improves the thermal diffusivity of lithium battery.
And add the contact area of lid and housing, that is, the spreading area of PUR is increased, so as to improve the sealing of lithium battery
Property.
The utility model has advantages below：With preferable sealing and thermal diffusivity, and stack stable, convenience in transport.
Brief description of the drawings
Fig. 1 is the partial sectional view of embodiment；
Fig. 2 is the structural representation of embodiment；
Fig. 3 is the enlarged drawing at A in Fig. 1.
Reference：1st, battery body；2nd, lid；3rd, housing；4th, the second cooling fin；5th, the first cooling fin；6th, fin；7、
Positive Poles；8th, negative pole pole；9th, the first sealing gasket；10th, the second sealing gasket；11st, seal groove；12nd, caulking groove；13rd, sealing nut.
Embodiment
The utility model is described further referring to the drawings.
As shown in figure 1, a kind of high-capacity lithium-ion power battery, including battery body 1, lid 2 and housing 3.Housing 3 one
End is set in opening, and battery body 1 is embedded in housing 3.
As shown in Fig. 2 housing 3 is in box, the opposite both sides lateral wall of housing 3 is provided with the second cooling fin 4.Second radiating
Rib 4 is set along the short transverse of housing 3, and is provided with several at equal intervals along the length direction of housing 3.
As shown in Fig. 23 another both sides of housing are provided with the first cooling fin 5.First cooling fin 5 is set along the length direction of housing 3,
And several are provided with equal intervals along the width of housing 3.First cooling fin 5 of the both sides of housing 3 is in be staggered, the side of housing 3
Projection and housing 3 opposite side of first cooling fin 5 along the short transverse of housing 3 the first cooling fin 5 it is non-intersect.And two adjacent
Gap between first cooling fin 5 is 1.1 ~ 1.4 times of the width of the first cooling fin 5.
As shown in Fig. 2 lid 2 closes the openend of housing 3 and is connected to battery body 1.The both sides etc. along its length of lid 2
It is interval with fin 6, fin 6 is corresponding with the first cooling fin 5 and is connected to the first cooling fin 5, and the cross section of fin 6 and first dissipates
The cross section of hot rib 5 is identical.Housing 3 and lid 2 are sealed by PUR to be fixed.
As shown in figure 1, battery body 1 is provided with Positive Poles 7 and negative pole pole 8, Positive Poles 7 and negative pole pole 8 are worn
Cross lid 2.As shown in figures 1 and 3, the first sealing gasket 9 and the second sealing gasket are arranged with Positive Poles 7 and negative pole pole 8
10, and Positive Poles 7 and negative pole pole 8 are in interference fit with the first sealing gasket 9 and the second sealing gasket 10.First sealing gasket 9
It is flexible with the second sealing gasket 10.
As shown in figure 3, the first sealing gasket 9, between lid 2 and battery body 1, the section of the first sealing gasket 9 is in round platform
Type, and the section outer side edges of the first sealing gasket 9 are in circular arc.Lid 2 offers seal groove 11 towards the side of battery body 1, and first
Sealing gasket 9 is embedded in seal groove 11 and is connected to seal groove 11.
As shown in figure 3, the inwall of the first sealing gasket 9 offers caulking groove 12, caulking groove 12 is in circular platform type and caulking groove 12 is close to battery
One end radius of body 1 is more than away from one end radius of battery body 1, first sealing gasket of the connection of caulking groove 12,9 relative battery body 1 one
End.Second sealing gasket 10 is between the first sealing gasket 9 and battery body 1.Second sealing gasket 10 is embedded in caulking groove 12 and supported
Tightly in caulking groove 12.
As shown in figure 1, being threaded with sealing nut 13 on Positive Poles 7 and negative pole pole 8, sealing nut 13 is positioned at lid
Body 2 is back to the side of battery body 1, and density nut pushes against Positive Poles 7 and negative pole pole 8.
The assembling principle of the lithium battery is as follows：
1st, battery body 1 is embedded in housing 3, the second sealing gasket 10 is sheathed on Positive Poles 7 and negative pole pole 8
Outside, the second sealing gasket 10 is with being in interference fit outside Positive Poles 7 and negative pole pole 8；
2nd, the first sealing gasket 9 is sheathed on Positive Poles 7 and negative pole pole 8, the first sealing gasket 9 and Positive Poles 7 and born
In interference fit outside pole pole 8；Now the part of the second sealing gasket 10 is embedded in caulking groove 12；
3rd, fin 6 is directed at the first cooling fin 5, covers lid 2, lid 2 is closed the openend of housing 3 and push against in battery
Body 1, now Positive Poles 7 and negative pole pole 8 wear out lid 2；
4th, sealing nut 13 is screwed in Positive Poles 7 and negative pole pole 8, lid 2 is moved towards battery body 1, this
When the first sealing gasket 9 moved under the promotion of lid 2 towards the second sealing gasket 10, after sealing nut 13 is tightened, the second sealing
Pad 10 is embedded in caulking groove 12 completely；
Second sealing gasket 10 promotes the first sealing gasket 9 to expand outwardly, it is preferably supported during embedded caulking groove 12
Close sealing groove 11, improve the sealing of lithium battery；
5th, fixed shell 3 and lid 2 are sealed with PUR.
Described above is only preferred embodiment of the present utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (9)
1. a kind of high-capacity lithium-ion power battery, including battery body（1）, lid（2）It is in the housing that opening is set with one end
（3）, the battery body（1）It is embedded at housing（3）It is interior, the lid（2）Close housing（3）Openend, the battery body
（1）Provided with wearing out lid（2）Positive Poles（7）With negative pole pole（8）, it is characterized in that：The Positive Poles（7）And negative pole
Pole（8）On be arranged with the first sealing gasket in flexible setting（9）, first sealing gasket（9）With Positive Poles（7）With it is negative
Pole pole（8）In interference fit, first sealing gasket（9）Positioned at lid（2）And battery body（1）Between, described first
Sealing gasket（9）Section is in circular platform type, and first sealing gasket（9）Section outer side edges are in circular arc, the lid（2）Towards electricity
Pond body（1）Side offers seal groove（11）, first sealing gasket（9）It is embedded at seal groove（11）It is interior and be connected to sealing
Groove（11）.
2. a kind of high-capacity lithium-ion power battery according to claim 1, it is characterized in that：The Positive Poles（7）With
Negative pole pole（8）On be threaded with sealing nut（13）, the sealing nut（13）Positioned at lid（2）Back to housing（3）
Side, and the sealing nut（13）Push against in lid（2）Back to housing（3）Side.
3. a kind of high-capacity lithium-ion power battery according to claim 2, it is characterized in that：First sealing gasket（9）
Inwall offers caulking groove（12）, the caulking groove（12）In circular platform type and caulking groove（12）Close to battery body（1）One end radius is more than
Away from battery body（1）One end radius, the caulking groove（12）Connect the first sealing gasket（9）With respect to battery body（1）One end, it is described
Positive Poles（7）With negative pole pole（8）On be arranged with the second sealing gasket（10）, second sealing gasket（10）It is close positioned at first
Packing（9）And battery body（1）Between, and second sealing gasket（10）It is embedded at caulking groove（12）It is interior and be connected to caulking groove
（12）.
4. a kind of high-capacity lithium-ion power battery according to claim 3, it is characterized in that：The housing（3）In box,
The housing（3）Opposite both sides lateral wall is first-class to be interval with several the first cooling fins（5）, the housing（3）Another both sides
Lateral wall is provided with the second cooling fin（4）.
5. a kind of high-capacity lithium-ion power battery according to claim 4, it is characterized in that：First cooling fin（5）
Along housing（3）Length direction sets and along housing（3）Width is provided with several at equal intervals；Second cooling fin（4）Edge
Housing（3）Short transverse sets and along housing（3）Length direction is provided with several at equal intervals.
6. a kind of high-capacity lithium-ion power battery according to claim 5, it is characterized in that：Two adjacent first cooling fins
（5）Between gap be the first cooling fin（5）1.1 ~ 1.4 times of width.
7. a kind of high-capacity lithium-ion power battery according to claim 6, it is characterized in that：The housing（3）Both sides
First cooling fin（5）In being staggered, the housing（3）First cooling fin of side（5）Along housing（3）The projection of short transverse
And housing（3）First cooling fin of opposite side（5）It is non-intersect.
8. a kind of high-capacity lithium-ion power battery according to claim 7, it is characterized in that：The housing（3）And lid
（2）Sealed and fixed by PUR.
9. a kind of high-capacity lithium-ion power battery according to claim 8, it is characterized in that：The lid（2）Along length
Direction both sides are provided with fin at equal intervals（6）, the fin（6）With the first cooling fin（5）Correspond to and be connected to the first cooling fin
（5）, the fin（6）Cross section and the first cooling fin（5）Cross section it is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721062278.7U CN207124232U (en) | 2017-08-24 | 2017-08-24 | A kind of high-capacity lithium-ion power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721062278.7U CN207124232U (en) | 2017-08-24 | 2017-08-24 | A kind of high-capacity lithium-ion power battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207124232U true CN207124232U (en) | 2018-03-20 |
Family
ID=61610891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721062278.7U Active CN207124232U (en) | 2017-08-24 | 2017-08-24 | A kind of high-capacity lithium-ion power battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207124232U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108807731A (en) * | 2018-09-03 | 2018-11-13 | 张美芳 | The capping method of lithium battery suitable for harbour machinery |
-
2017
- 2017-08-24 CN CN201721062278.7U patent/CN207124232U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108807731A (en) * | 2018-09-03 | 2018-11-13 | 张美芳 | The capping method of lithium battery suitable for harbour machinery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190130 Address after: 518000 Room 201, building A, No. 1, Qian Wan Road, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen, Guangdong (Shenzhen Qianhai business secretary Co., Ltd.) Patentee after: Xingshi Technology Investment Co., Ltd. Address before: 363900 Xingtai Industrial Park, Changtai Economic Development Zone, Zhangzhou, Fujian, China Patentee before: Zhong Xuhang |
|
| TR01 | Transfer of patent right |