CN101794906A - Flexible packaging power lithium ion battery pack for electric automobile - Google Patents
Flexible packaging power lithium ion battery pack for electric automobile Download PDFInfo
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- CN101794906A CN101794906A CN201010127590A CN201010127590A CN101794906A CN 101794906 A CN101794906 A CN 101794906A CN 201010127590 A CN201010127590 A CN 201010127590A CN 201010127590 A CN201010127590 A CN 201010127590A CN 101794906 A CN101794906 A CN 101794906A
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- battery
- lithium ion
- flexible packaging
- power lithium
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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 invention discloses a flexible packaging power lithium ion battery pack for an electric automobile, comprising a battery box body, a battery cell, a heating and cooling device, a battery management circuit and a fixing and connecting piece. The inside of the battery box body is divided into a plurality of independent functional zones by a plurality of partition boards vertical to the box body; air ducts are arranged among the partition boards; the battery cell is fixed in the battery box body through a horizontal bar and a battery cover plate; monomers can be connected in series through a metal connecting strip; two lines of exhaust fans are arranged in the battery pack and hot blast air is exhausted out of the automobile through a corrugated tube; and a heating film is attached to the inner wall of the battery box body and the stable driving of the automobile can be ensured in a low-temperature environment. The battery pack has the advantages of light weight, high mass ratio energy and specific power, low series resistance, safety, reliability, detachability, easy maintenance and the like.
Description
Technical field
The present invention relates to a kind of power train in vehicle application supply unit, particularly used for electric vehicle flexible packaging power lithium ion battery pack.
Background technology
Along with the exhaustion day by day of world petroleum resource, the power source of automobile will have to progressively break away from the constraint of petroleum resources and adopt some new energy to replace, and this is with the once great technological revolution of propelling vehicle industry.Greatly develop the lithium-ion electric electrical automobile, electricity consumption is the great strategic measure that guarantees Chinese energy safety for oil.The power lithium-ion battery group is in developing stage as the electric automobile core component.
Current, the subject matter of restriction power lithium-ion battery development is electric core back fail safe decline and shortening in useful life in groups.The main cause that causes described problem is that the integrated technology of power lithium-ion battery, integrated application technology lag behind.The shell of power lithium-ion battery electricity core is divided into flexible package, box hat or aluminum hull.The shell of flexible packaging power lithium ion battery battery core is an aluminum plastic film, and because of its light weight, the energy density of battery and power density are than box hat, aluminum hull height, and be safe and reliable, the danger of can not blasting, and be widely used in the electric automobile field.
The back riveted joint is normally costed soft attitude aluminium, nickel lug in the connection in series-parallel of flexible packaging power lithium ion battery at present, shortcoming is to connect the internal resistance height, safeguards inconvenience, and after the battery assembling, the soft attitude lug of battery is easily loosening, fracture in for a long time with car vibrations process, and is dangerous.Chinese patent 200520102486.6 discloses a kind of flexible packaging power lithium ion battery pack, will put into the outer container of battery pack after the battery battery core combination, and perfusion silica gel.Though silica gel has protective effect to battery, after silica gel solidifies, can't carry out the maintenance of battery pack, that is to say, if single battery has problem, can only put in order group and change, increased use cost.This battery pack can not be carried out temperature adjusting under high low temperature operational environment simultaneously, influences the battery serviceability.
Summary of the invention
The technical problem to be solved in the present invention is the weak point that overcomes in the existing flexible packaging power lithium ion battery integrated technology, provide a kind of safe, reliable, serviceability is good, is convenient to loading and unloading and safeguards, can effectively regulate and control the used for electric vehicle flexible packaging power lithium ion battery pack of operating ambient temperature.
Technical scheme of the present invention is: used for electric vehicle flexible packaging power lithium ion battery pack, comprise Battery case, battery battery core, heating cooling-part and battery management circuit, its improvements are: described Battery case inner chamber is separated into independent functional by the dividing plate perpendicular to box bottom, the air channel is arranged between the adjacent separator, on dividing plate and the Battery case sidewall air grid is arranged, described battery battery core places in the functional areas in groups, be fixed in the Battery case by horizontal stripe and battery cover board, the battery battery core lug is connected each other by the metal intercell connector.
Further scheme is: described independent functional comprises battery module district, battery management circuit region and hot blast collecting region; Separate by the sponge double faced adhesive tape between the described battery battery core; Described battery cover board is provided with lug groove, screwed hole and holding wire hole, and perhaps described battery cover board is provided with lug groove, screwed hole and holding wire hole, and the upper surface of battery cover board is provided with the non-through slot consistent with metal intercell connector shape simultaneously; Described metal intercell connector is provided with lug groove, lug fixing hole and holding wire hole; Described heating cooling-part is made up of two row ventilating fans that are located at the hot blast collecting region and the heating film that is attached on Battery case inwall and/or the functional areas dividing plate; In the described two row ventilating fans one row are located near on the dividing plate in battery module district, and another row are located at the air outlet position of Battery case, and air outlet is connected to bellows; Described metal intercell connector and battery battery core lug are fixed on the battery cover board by screws clamp, and perhaps metal intercell connector upper strata covers the additional metal intercell connector, and the battery battery core lug is clipped in the middle, and is fixed on the battery cover board by screws clamp jointly.
Adopt above technical scheme, the present invention can reach following good effect:
1, battery battery core adopts the aluminum plastic film flexible package, and integrated back is in light weight, specific energy and specific power height, ne-leakage, no hidden peril of explosion.
2, the Battery case inner chamber is separated into independent functional, is convenient to loading and unloading, maintenance and the standardization production of parts, assembly.
3, the battery battery core lug clamps by the metal intercell connector, and contact-making surface is big, and the contact internal resistance is low, the energy antidetonation, and serviceability is good, and battery battery core is compressed by horizontal stripe and cover plate, and is fixed, and demolition and maintenance are convenient.
4, being provided with of ventilating fan and heating film can effectively be regulated and control the battery context temperature, guarantees the working temperature that battery pack is suitable, improves the battery pack serviceability.
Description of drawings
Fig. 1 is battery pack overall structure figure of the present invention (loam cake omission);
Fig. 2 is the Battery case stereogram;
Fig. 3 is the ventilating fan scheme of installation;
Fig. 4 is the battery battery core connection layout;
Fig. 5 is battery cover board figure;
Fig. 6 is the battery cover board figure that is provided with non-through slot;
Fig. 7 is a horizontal bar chart;
Fig. 8～Figure 10 is the metal intercell connector figure of three kinds of forms;
Figure 11～Figure 13 is the additional metal intercell connector figure of three kinds of forms.
Embodiment
, by embodiment battery pack structure of the present invention and manufacturing process are described further below in conjunction with accompanying drawing.
Embodiment 1:
Referring to accompanying drawing, the Battery case inner chamber is separated into following independent functional by some dividing plate 1 and the active clapboards 41 that are vertically welded in bottom half: eight battery module districts 14, hot blast collecting region 12, battery management circuit region 11, air channel 13 is arranged between adjacent separator, dividing plate and Battery case sidewall be provided with air grid 16, band bellows 6 air outlet 22, hang angle 17, suspension ring 10, leg 8, horizontal stripe fixing hole 15, delivery outlet 18, charging hole 19, holding wire hole 20, disconnect hole 21.
After sponge double faced adhesive tape 24 is sticked in flexible packaging power lithium ion battery battery core 23 outsides, neatly be placed in the battery module district in the casing in order successively, press horizontal stripe 33, be screwed by the stomidium 34 of horizontal stripe and the horizontal stripe fixing hole 15 of dividing plate, cover battery cover board 2, cover plate is an epoxy resin board, and thickness is 5mm, and lug groove 27, holding wire hole 28, screwed hole 29, hand-held hole 30 are arranged on the cover plate.
The lug 25 of the soft attitude of flexible packaging power lithium ion battery battery core stretches out the lug groove 27 of cover plate, puts metal intercell connector 3,4,5 respectively.Lug 25 passes metal intercell connector lug groove 37, is close to intercell connector after the bending, and the cell polar ear hole overlaps with intercell connector lug fixing hole 35, by the screwed hole 29 that screw 26 is screwed on the cover plate lug is fixed.The metal intercell connector is a copper bar, and thickness 2mm also has holding wire hole 36.
Two row ventilating fans are located in the hot blast collecting region 12, and wherein the first row ventilating fan 9 is installed on dismountable active clapboard 41, and after fan installed, overall fixed was in casing, and fan 9 is arranged into hot blast collecting region 12 with the inside battery hot blast.Secondary series fan 7 is contained in the air outlet position of Battery case, by bellows 6 hot blast is discharged outside the car.
Whole heating film sticks in the air channel, and the battery management circuit is placed on the battery management circuit region, covers loam cake at last, with box sealing.
Embodiment 2:
Battery pack primary structure and the manufacturing process of embodiment 2 are identical with embodiment 1, no longer narration, difference is: after the battery battery core that is placed on the battery module district presses horizontal stripe 33, cover battery cover board 31, this cover plate is a poly (methyl methacrylate) plate, thickness 10mm has lug groove 27, holding wire hole 28, screwed hole 29, hand-held hole 30 and the non-through slot 32 consistent with metal intercell connector shape on the cover plate.During assembling, metal intercell connector 3,4,5 is put in the non-through slot, puts corresponding additional metal intercell connector 39,40,38 again, and cell polar ear is clipped in the middle, and tightens up with screw 26 jointly.It is silver-plated copper coin that 36, two kinds of intercell connectors of lug fixing hole 35 and signal wire size are arranged on the additional metal intercell connector, thick 3mm.In this example, many heating films stick on the dividing plate of functional areas.
Claims (9)
1. used for electric vehicle flexible packaging power lithium ion battery pack, comprise Battery case, battery battery core, heating cooling-part and battery management circuit, it is characterized in that: described Battery case inner chamber is separated into independent functional by the dividing plate perpendicular to box bottom, the air channel is arranged between the adjacent separator, on dividing plate and the Battery case sidewall air grid is arranged, described battery battery core places in the functional areas in groups, be fixed in the Battery case by horizontal stripe and battery cover board, the battery battery core lug is connected each other by the metal intercell connector.
2. by the described used for electric vehicle flexible packaging power lithium ion of claim 1 battery pack, it is characterized in that described independent functional comprises battery module district, battery management circuit region and hot blast collecting region.
3. by the described used for electric vehicle flexible packaging power lithium ion of claim 1 battery pack, it is characterized in that separating by the sponge double faced adhesive tape between the described battery battery core.
4. by the described used for electric vehicle flexible packaging power lithium ion of claim 1 battery pack, it is characterized in that described battery cover board is provided with lug groove, screwed hole and holding wire hole.
5. by the described used for electric vehicle flexible packaging power lithium ion of claim 4 battery pack, it is characterized in that the upper surface of described battery cover board is provided with the non-through slot consistent with metal intercell connector shape.
6. by the described used for electric vehicle flexible packaging power lithium ion of claim 1 battery pack, it is characterized in that described metal intercell connector is provided with lug groove, lug fixing hole and holding wire hole.
7. by the described used for electric vehicle flexible packaging power lithium ion of claim 2 battery pack, it is characterized in that described heating cooling-part is made up of two row ventilating fans that are located at the hot blast collecting region and the heating film that is attached on Battery case inwall and/or the functional areas dividing plate.
8. by the described used for electric vehicle flexible packaging power lithium ion of claim 7 battery pack, it is characterized in that the row of one in the described two row ventilating fans are located near on the dividing plate in battery module district, another row are located at the air outlet position of Battery case, and air outlet is connected to bellows.
9. by the described used for electric vehicle flexible packaging power lithium ion of claim 6 battery pack, it is characterized in that described metal intercell connector and battery battery core lug are fixed on the battery cover board by screws clamp, perhaps metal intercell connector upper strata covers the additional metal intercell connector, the battery battery core lug is clipped in the middle, and is fixed on the battery cover board by screws clamp jointly.
Priority Applications (1)
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| CN201010127590A CN101794906A (en) | 2010-03-19 | 2010-03-19 | Flexible packaging power lithium ion battery pack for electric automobile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010127590A CN101794906A (en) | 2010-03-19 | 2010-03-19 | Flexible packaging power lithium ion battery pack for electric automobile |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101944579A (en) * | 2010-07-30 | 2011-01-12 | 湖南科霸汽车动力电池有限责任公司 | Method and device for assembling power batteries in square energy pack |
| CN102945989A (en) * | 2012-11-27 | 2013-02-27 | 江苏春兰清洁能源研究院有限公司 | Lithium ion battery heat control system |
| CN103208664A (en) * | 2013-01-22 | 2013-07-17 | 江苏大学 | Two ipsilateral fan type transverse battery pack |
| CN104183889A (en) * | 2014-08-29 | 2014-12-03 | 安徽江淮汽车股份有限公司 | Heat dissipation structure of automotive power battery pack |
| CN104183799A (en) * | 2013-05-27 | 2014-12-03 | 北京理工大学 | Battery box with multiple annular cross section structures |
| CN104600370A (en) * | 2015-01-26 | 2015-05-06 | 潘珊 | Group assembling method for lithium-ion drive batteries, and lithium-ion drive battery pack |
| CN106025132A (en) * | 2016-07-05 | 2016-10-12 | 上汽通用汽车有限公司 | Battery pack device |
| CN106129291A (en) * | 2016-08-01 | 2016-11-16 | 杜桂菊 | Square power battery shell |
| CN106531922A (en) * | 2016-12-14 | 2017-03-22 | 华南理工大学 | Insulating, heat-dissipating and easily-detached type battery box for formula electric car |
| CN106711541A (en) * | 2016-12-14 | 2017-05-24 | 华南理工大学 | Compact forced air cooling power batter system assembly of electric formula car |
| CN107275714A (en) * | 2017-06-27 | 2017-10-20 | 周舜 | A kind of lithium ion battery management system |
| CN107492926A (en) * | 2017-08-15 | 2017-12-19 | 湖南小步科技有限公司 | A kind of lithium battery for electric vehicle bag |
| CN107757327A (en) * | 2016-08-23 | 2018-03-06 | 本特勒尔汽车技术有限公司 | Method for the battery carrier of electric motor vehicle and for equipping simultaneously assembled batteries carrier |
| CN108198962A (en) * | 2017-12-29 | 2018-06-22 | 惠州市蓝微新源技术有限公司 | A kind of battery module structure |
| CN108288687A (en) * | 2017-12-20 | 2018-07-17 | 安徽信义电源有限公司 | Cell polar ear attachment device and battery pack |
| CN108574070A (en) * | 2018-03-16 | 2018-09-25 | 河北中兴汽车制造有限公司 | A kind of installation fixed structure of soft-package battery module |
| CN108891290A (en) * | 2018-07-17 | 2018-11-27 | 王志强 | A kind of new energy car battery charging method |
| CN109524740A (en) * | 2017-09-19 | 2019-03-26 | 郑州宇通客车股份有限公司 | A kind of power module and its battery case in built-in air duct |
| CN109585946A (en) * | 2018-11-30 | 2019-04-05 | 清华大学 | Li-ion batteries piles thermal runaway processing system and method |
| CN113314790A (en) * | 2021-05-26 | 2021-08-27 | 荣盛盟固利新能源科技有限公司 | Square cabin type battery pack |
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| CN101627490A (en) * | 2006-12-14 | 2010-01-13 | 江森自控帅福得先进能源动力***有限责任公司 | Battery module |
| CN201072776Y (en) * | 2007-07-27 | 2008-06-11 | 万向集团公司 | Lithium ion battery |
| CN201160087Y (en) * | 2008-03-03 | 2008-12-03 | 安耐信(北京)储能技术有限公司 | Electrokinetic cell module for automobile |
| CN201188434Y (en) * | 2008-03-18 | 2009-01-28 | 中山大学 | Integral rapid take-down type air-cooled electric automobile battery pack |
| CN201238056Y (en) * | 2008-05-22 | 2009-05-13 | 中信国安盟固利新能源科技有限公司 | Lithium ion battery module with battery compressing structure |
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Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101944579B (en) * | 2010-07-30 | 2013-03-20 | 湖南科霸汽车动力电池有限责任公司 | Method and device for assembling power batteries in square energy pack |
| CN101944579A (en) * | 2010-07-30 | 2011-01-12 | 湖南科霸汽车动力电池有限责任公司 | Method and device for assembling power batteries in square energy pack |
| CN102945989B (en) * | 2012-11-27 | 2015-08-12 | 江苏春兰清洁能源研究院有限公司 | A kind of lithium ion battery heat control system |
| CN102945989A (en) * | 2012-11-27 | 2013-02-27 | 江苏春兰清洁能源研究院有限公司 | Lithium ion battery heat control system |
| CN103208664A (en) * | 2013-01-22 | 2013-07-17 | 江苏大学 | Two ipsilateral fan type transverse battery pack |
| CN104183799B (en) * | 2013-05-27 | 2018-02-09 | 北京理工大学 | Battery case with multiple ring sections construction |
| CN104183799A (en) * | 2013-05-27 | 2014-12-03 | 北京理工大学 | Battery box with multiple annular cross section structures |
| CN104183889B (en) * | 2014-08-29 | 2016-03-02 | 安徽江淮汽车股份有限公司 | A kind of automobile power cell group radiator structure |
| CN104183889A (en) * | 2014-08-29 | 2014-12-03 | 安徽江淮汽车股份有限公司 | Heat dissipation structure of automotive power battery pack |
| CN104600370A (en) * | 2015-01-26 | 2015-05-06 | 潘珊 | Group assembling method for lithium-ion drive batteries, and lithium-ion drive battery pack |
| CN106025132A (en) * | 2016-07-05 | 2016-10-12 | 上汽通用汽车有限公司 | Battery pack device |
| CN106129291A (en) * | 2016-08-01 | 2016-11-16 | 杜桂菊 | Square power battery shell |
| CN107757327B (en) * | 2016-08-23 | 2021-09-24 | 本特勒尔汽车技术有限公司 | Battery carrier for an electric vehicle and method for equipping and assembling a battery carrier |
| CN107757327A (en) * | 2016-08-23 | 2018-03-06 | 本特勒尔汽车技术有限公司 | Method for the battery carrier of electric motor vehicle and for equipping simultaneously assembled batteries carrier |
| CN106531922A (en) * | 2016-12-14 | 2017-03-22 | 华南理工大学 | Insulating, heat-dissipating and easily-detached type battery box for formula electric car |
| CN106711541A (en) * | 2016-12-14 | 2017-05-24 | 华南理工大学 | Compact forced air cooling power batter system assembly of electric formula car |
| CN106711541B (en) * | 2016-12-14 | 2024-02-13 | 华南理工大学 | Compact forced air cooling power battery system assembly of electric formula car |
| CN107275714A (en) * | 2017-06-27 | 2017-10-20 | 周舜 | A kind of lithium ion battery management system |
| CN107492926A (en) * | 2017-08-15 | 2017-12-19 | 湖南小步科技有限公司 | A kind of lithium battery for electric vehicle bag |
| CN107492926B (en) * | 2017-08-15 | 2024-01-19 | 长沙先度科技有限公司 | Lithium battery pack for electric vehicle |
| CN109524740A (en) * | 2017-09-19 | 2019-03-26 | 郑州宇通客车股份有限公司 | A kind of power module and its battery case in built-in air duct |
| CN108288687A (en) * | 2017-12-20 | 2018-07-17 | 安徽信义电源有限公司 | Cell polar ear attachment device and battery pack |
| CN108198962A (en) * | 2017-12-29 | 2018-06-22 | 惠州市蓝微新源技术有限公司 | A kind of battery module structure |
| CN108574070A (en) * | 2018-03-16 | 2018-09-25 | 河北中兴汽车制造有限公司 | A kind of installation fixed structure of soft-package battery module |
| CN108891290A (en) * | 2018-07-17 | 2018-11-27 | 王志强 | A kind of new energy car battery charging method |
| CN108891290B (en) * | 2018-07-17 | 2021-09-14 | 杭州翔毅科技有限公司 | New energy automobile battery charging method |
| CN109585946A (en) * | 2018-11-30 | 2019-04-05 | 清华大学 | Li-ion batteries piles thermal runaway processing system and method |
| CN113314790A (en) * | 2021-05-26 | 2021-08-27 | 荣盛盟固利新能源科技有限公司 | Square cabin type battery pack |
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Open date: 20100804 |