CN101399363B - Battery pack - Google Patents
Battery pack Download PDFInfo
- Publication number
- CN101399363B CN101399363B CN2008101218554A CN200810121855A CN101399363B CN 101399363 B CN101399363 B CN 101399363B CN 2008101218554 A CN2008101218554 A CN 2008101218554A CN 200810121855 A CN200810121855 A CN 200810121855A CN 101399363 B CN101399363 B CN 101399363B
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- China
- Prior art keywords
- battery pack
- battery
- flow collection
- collection sheet
- hole
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Connection Of Batteries Or Terminals (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
A battery comprises a battery anode, a battery cathode and a monocell, wherein, both the battery anode and the battery cathode comprise a guide plate and more than two parallel strip current-collecting slices which extend from the guide plate, the extension direction of the strip current-collecting slice of the battery anode is opposite to that of the strip current-collecting slice of the battery cathode, and more than two monocells are arranged between the strip current-collecting slice of the battery anode and the strip current-collecting slice of the battery cathode, wherein, a leading-out end of the guide plate of the battery anode and a leading-out end of the guide plate of the battery cathode are on the same working face, which facilitates the battery being electrically connected with a user device in use. The current of each monocell in the battery has equal course in the battery, which can prevent difference among the monocells by long-term use of the battery not to cause the partial damage and reduced performance of the battery.
Description
Technical field
The present invention relates to a kind of battery pack.
Background technology
The more and more in short supply and environmental issue along with global energy, electric automobile have become one of project that various countries' auto industry gives priority to.But the electric automobile development bottleneck mainly is a battery problems, and the safety of battery pack and performance are wherein important problems.
Present battery pack is made up of through series, parallel a large amount of monocells, because different in the inner flow process of battery pack through the electric current of each monocell; Can cause inhomogeneous to the long-term use of monocell; Through after the repeated charge, performance difference can occur between monocell in the battery pack, and then the battery pack local damage occur; Decreased performance, even set off an explosion.
Simultaneously the electrode leads to client of battery pack generally is on the Different Plane of battery pack, is not easy to being electrically connected of battery pack and battery pack corollary equipment.
Summary of the invention
In order to solve the problems of the technologies described above; The present invention provides a kind of battery pack; This battery pack comprises battery anode, battery pack negative pole, some monocells; Wherein, Battery anode, battery pack negative pole include guide plate with from the extended strip flow collection sheet parallel more than two of guide plate, the strip flow collection sheet comprises bar shaped conductive body and two above braces that stretch out from bar shaped conductive body one or both sides, the strip flow collection sheet bearing of trend of the strip flow collection sheet of battery anode and battery pack negative pole is opposite; Arrange some monocells between the strip flow collection sheet of battery anode and the strip flow collection sheet of battery pack negative pole, wherein the exit of the exit of battery anode guide plate and battery pack negative pole guide plate is on same working face.
The preferred copper sheet of bar shaped conductive body of strip flow collection sheet wherein, the preferred nickel sheet of brace.
Wherein brace can be that welding or riveted joint are connected on the bar shaped conductive body of strip flow collection sheet, perhaps otherwise firmly is connected on the bar shaped conductive body.
One or more projections are wherein preferably arranged on the brace.
The present invention also provides a kind of battery pack to use bracing frame, and this bracing frame is a slab construction, and the single order through hole is arranged on the bracing frame, and the step of single order through hole is at an end in hole.
Also has through hole on this bracing frame.
Wherein through hole hole axle is parallel with single order through hole hole axle direction.
Owing to adopted technique scheme, the present invention to have following advantage:
The inside of battery pack provided by the invention is equal basically in the flow process of battery pack inside through the electric current of each monocell, can prevent to cause the local appearance of battery pack to damage and the performance reduction because use each monocell of battery pack to occur performance difference each other for a long time.
The both positive and negative polarity exit of battery pack on same working face, be convenient to battery pack in use with being electrically connected of corollary equipment.
The strip flow collection sheet of battery pack both positive and negative polarity is made up of the extended a plurality of braces of bar shaped conductive body and bar shaped conductive body one or both sides; Plate material has not only been saved in the use of strip flow collection sheet; Reduced the battery pack cost; And help the battery pack ventilation and heat, reduced battery pack because the overheated risk that is damaged even explodes.When one or several monocell breaks down in the battery pack, can change individually damaging monocell, need not in the process to pull down the battery anode negative pole is whole.
The bar shaped conductive body material of strip flow collection sheet uses copper in the battery pack, and the brace material uses nickel, because the copper good conductivity; Cost is also low relatively, but welding performance is bad, and the nickel good welding performance; But cost is high relatively; Electric conductivity is also poor, so such structure has not only been saved the battery pack production cost, and has guaranteed the steadiness and the conductivity of welding.
One or more projection is arranged on the brace of strip flow collection sheet in the battery pack, and such projection can make the welding between brace and monocell more firm.
The step part of the single order through hole of battery pack bracing frame covers the negative pole part of monocell positive terminal fully; Only expose the anodal welding portion of monocell; Thereby prevented that the parts that are used to be electrically connected in the battery pack from contacting with the monocell negative pole and conducting and make the monocell short circuit; Also prevented to fall to going up the monocell short circuit that metal or other conductor material can cause on the monocell positive pole because of carelessness, guaranteed the stability that battery pack is used.
On the battery pack bracing frame except some single order through holes; Also have some through holes; So not only more help the battery pack heat radiation, and can reduce the shrinkage of bracing frame, prevent the distance between the excessive generation body of variations in temperature variable effect monocell in the battery pack use; And then influence the stability of monocell pad, thereby guaranteed the stability that battery pack is used.
Material has been saved in the existence of through hole, thereby has reduced cost.
Description of drawings
Accompanying drawing 1 is the embodiment of the invention 1 a battery pack sketch map.
Accompanying drawing 2 is the explosive view of the embodiment of the invention 1 battery pack.
Accompanying drawing 3 is the bar shaped conductive body of the embodiment of the invention 1 strip flow collection sheet and the structural representation of brace.
Accompanying drawing 4 is the partial enlarged drawing of structure of bar shaped conductive body and the brace of the embodiment of the invention 1 strip flow collection sheet.
Accompanying drawing 5 is the B-B profile of the brace of strip flow collection sheet among this Fig. 4.
Accompanying drawing 6 is a bracing frame upward view in the embodiment of the invention 1 battery pack.
Accompanying drawing 7 is the A-A profile of bracing frame in the battery pack among Fig. 6.
Accompanying drawing 8 is the sketch map of the monocell of the embodiment of the invention 1 battery pack employing.
Embodiment
Describe below in conjunction with the accompanying drawing specific embodiments of the invention.
Like Fig. 1, shown in Figure 2; Battery anode 2 is formed by guide plate 6 and strip flow collection sheet 7 with battery pack negative pole 4; Strip flow collection sheet 7 is used to connect a plurality of monocells 8; All be connected a plurality of strip flow collection sheets 7 on battery anode guide plate 6 and the battery pack negative pole guide plate 6, strip flow collection sheet 7 comprise bar shaped conductive body 9 and stretch out from bar shaped conductive body 9 both sides be used for brace 10 anodal with monocell or that the monocell negative pole is connected.From figure, can know; The current flow path sum of the positive pole of each monocell 8 to the current flow path of the guide plate 6 of battery anode 2 and monocell 8 negative poles to the guide plate 6 of battery pack negative pole 4 always equates; Again because the cross-sectional area of guide plate 6 is bigger; And the material of guide plate 6 is a copper, and resistivity is lower, so the current resistor of electric current on guide plate 6 is less; Electric current through each monocell 8 is equal basically at the resistance that runs into of battery pack 1 inside, can prevent to cause battery pack 1 local appearance to damage and the performance reduction because use battery pack 1 to cause monocell 8 to occur difference each other for a long time.
After battery pack 1 assembling was accomplished, the exit 3 of battery anode 2 and the exit 5 of battery pack negative pole 4 are on same working face, and be convenient external.
Like Fig. 3, shown in Figure 4; The part that battery anode 2, battery pack negative pole 4 are electrically connected with monocell 8 is formed by the brace 10 of the extended a plurality of symmetries of the bar shaped conductive body 9 and bar shaped conductive body 9 left and right sides; Such structure has not only been saved the plate material of battery pack 1; Reduced the cost of battery pack 1, and helped battery pack 1 ventilation and heat, reduced battery pack 1 because the overheated risk that is damaged even explodes.When one or several monocell 8 breaks down in the battery pack 1, can need not in the process battery anode 2, battery pack negative pole 4 whole pulling down damaging monocell 8 single replacings.
Wherein, the material of bar shaped conductive body 9 is a copper, and the material of brace 10 is a nickel; The copper good conductivity, cost is relatively low, but welding performance is bad; And the nickel good welding performance, but cost is higher relatively, poor electric conductivity; So such structure has not only been saved the battery pack production cost, and the steadiness and the conductivity of welding have been guaranteed.
Like Fig. 4, shown in Figure 5, one or more projection 11 is arranged on the brace 10, such projection 11 can make the welding of 8 of brace 10 and monocells more firm
Bar shaped conductive body 9 is riveted together with brace 10.
Like Fig. 6 and shown in Figure 7, some evenly distributed single order through holes 13 and through hole 14 are arranged on the battery pack bracing frame 12, step 15 is arranged on the single order through hole 13.
As shown in Figure 8, monocell anodal 17 insulate through sealing gasket 18 with monocell negative pole 16.
When monocell 8 placed bracing frame 12 single order through holes 13, the anodal 17 single order through holes 13 at bracing frame 12 of monocell exposed, and are used for being connected with the brace 10 of battery pack 1.Monocell negative pole 16 is all covered by the step 15 of single order through hole 13 with sealing gasket 18.The step 15 of single order through hole 13 plays the effect of supporting monocell 8; And prevented that brace 10 and monocell negative pole 16 from touching also conducting and making monocell 8 short circuits; Also prevent fall to go up because of carelessness on anodal monocell 8 short circuits that metal or other conductor material can cause, guaranteed stability and fail safe that battery pack 1 is used.
Claims (9)
1. battery pack; Comprise battery anode, battery pack negative pole, monocell; Wherein, Battery anode, battery pack negative pole include guide plate and from the extended strip flow collection sheet of guide plate; The strip flow collection sheet comprises bar shaped conductive body and two above braces that stretch out from bar shaped conductive body one or both sides, and the strip flow collection sheet bearing of trend of the strip flow collection sheet of battery anode and battery pack negative pole is opposite, arranges two above monocells between the strip flow collection sheet of battery anode and the strip flow collection sheet of battery pack negative pole.
2. battery pack according to claim 1 is characterized in that: said strip flow collection sheet is more than two.
3. battery pack according to claim 2 is characterized in that: wherein the exit of the exit of battery anode and battery pack negative pole is on same working face.
4. battery pack according to claim 1 is characterized in that: the bar shaped conductive body of said strip flow collection sheet is a copper sheet, and brace is the nickel sheet.
5. battery pack according to claim 4 is characterized in that: said brace is welding or is riveted on the bar shaped conductive body of strip flow collection sheet.
6. battery pack according to claim 4 is characterized in that: one or more projections are arranged on the said brace.
7. according to the arbitrary described battery pack of claim 1 to 6, it is characterized in that: battery pack also comprises a kind of bracing frame, and this bracing frame is a slab construction, and the single order through hole is arranged on the bracing frame, and the step of single order through hole is at an end in hole.
8. battery pack according to claim 7 is characterized in that: through hole is arranged on the support frame as described above.
9. battery pack according to claim 8 is characterized in that: said through hole hole axle is parallel with single order through hole hole axle direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101218554A CN101399363B (en) | 2008-10-21 | 2008-10-21 | Battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101218554A CN101399363B (en) | 2008-10-21 | 2008-10-21 | Battery pack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101399363A CN101399363A (en) | 2009-04-01 |
| CN101399363B true CN101399363B (en) | 2012-04-18 |
Family
ID=40517729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101218554A Active CN101399363B (en) | 2008-10-21 | 2008-10-21 | Battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101399363B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102810659B (en) * | 2011-06-01 | 2014-12-31 | 微宏动力系统（湖州）有限公司 | Battery pack of column type batteries |
| CN103456911A (en) * | 2012-05-28 | 2013-12-18 | 原瑞电池科技(深圳)有限公司 | Battery module |
| CN105474434B (en) * | 2013-10-31 | 2018-12-21 | 松下知识产权经营株式会社 | Battery module and its manufacturing method |
| CN105552288B (en) * | 2016-01-31 | 2018-09-07 | 宜兴市惠华复合材料有限公司 | The combined connecting structure of power battery pack |
| CN107742693B (en) * | 2017-10-18 | 2023-10-24 | 深圳市豪鹏科技股份有限公司 | Soldering lug with anti-reverse pole function and battery pack thereof |
| USD891362S1 (en) | 2017-11-13 | 2020-07-28 | Pure Watercraft, Inc. | Battery pack |
| US11183739B2 (en) | 2017-11-13 | 2021-11-23 | Pure Watercraft, Inc. | Batteries for electric marine propulsion systems, and associated systems and methods |
| US11688899B2 (en) | 2018-08-21 | 2023-06-27 | Pure Watercraft, Inc. | Batteries for electric marine propulsion systems, and associated systems and methods |
| USD912614S1 (en) | 2019-01-04 | 2021-03-09 | Pure Watercraft, Inc. | Battery pack |
| CN110768036A (en) * | 2019-11-08 | 2020-02-07 | 苏州宝洪泰电子有限公司 | High-strength connecting sheet for notebook computer battery |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1333511A2 (en) * | 2002-01-31 | 2003-08-06 | Sanyo Electric Co., Ltd. | Power source apparatus |
| CN1725541A (en) * | 2005-02-06 | 2006-01-25 | 姚立和 | Battery |
| CN1881656A (en) * | 2005-06-16 | 2006-12-20 | 本田技研工业株式会社 | Battery pack |
| CN201336333Y (en) * | 2008-10-21 | 2009-10-28 | 微宏动力系统（湖州）有限公司 | Battery pack |
-
2008
- 2008-10-21 CN CN2008101218554A patent/CN101399363B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1333511A2 (en) * | 2002-01-31 | 2003-08-06 | Sanyo Electric Co., Ltd. | Power source apparatus |
| CN1725541A (en) * | 2005-02-06 | 2006-01-25 | 姚立和 | Battery |
| CN1881656A (en) * | 2005-06-16 | 2006-12-20 | 本田技研工业株式会社 | Battery pack |
| CN201336333Y (en) * | 2008-10-21 | 2009-10-28 | 微宏动力系统（湖州）有限公司 | Battery pack |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101399363A (en) | 2009-04-01 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 313000 Huzhou economic and Technological Development Zone, Zhejiang, Hung Fung Road, No. 2198 Patentee after: Microvast Power Systems (Huzhou) Co., Ltd. Address before: 313000 Zhejiang Province, Huzhou City Road, sunny Industrial Science and Technology Park building B Patentee before: Microvast Power Systems (Huzhou) Co., Ltd. |