CN2679860Y - Square lithium ion power battery set - Google Patents
Square lithium ion power battery set Download PDFInfo
- Publication number
- CN2679860Y CN2679860Y CNU2003201288916U CN200320128891U CN2679860Y CN 2679860 Y CN2679860 Y CN 2679860Y CN U2003201288916 U CNU2003201288916 U CN U2003201288916U CN 200320128891 U CN200320128891 U CN 200320128891U CN 2679860 Y CN2679860 Y CN 2679860Y
- Authority
- CN
- China
- Prior art keywords
- cell body
- lithium ion
- battery pack
- ion power
- power battery
- 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.)
- Expired - Lifetime
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- Y02E60/122—
Abstract
The utility model discloses a square lithium ion power battery set, comprising a battery body and a tight fixing device for the battery body, wherein, the tight fixing device for the battery body comprises a pressing board and a connecting band; the pressing board press the battery body tightly along the arranged direction of each battery; the battery body is connected by the connecting band to make the battery body tight. The battery set is high in unit-volume energy density and safe and reliable in use. The fixing device of the battery set has a simple structure and good tight fixing effect.
Description
[technical field]
The utility model relates to a kind of rectangular lithium ion power battery pack, relates in particular to the structure of the fastener of this battery pack.
[background technology]
In auto industry, the development of electric motor car is paid close attention to by people always, and the emphasis of studying especially as the power battery pack of electric motor car heart.In design is used, make every effort to that battery pack is light, volume is little and energy density and usage safety performance height.
At present, the most outstanding with the lithium ion battery performance in various electrokinetic cells, its energy density height, lightweight advantage become people's first and select.And at home and abroad in the electric vehicle lithium-ion-power cell group, be to be individual with the column lithium ion battery mostly, through rationally arranging, fix to clamp and form.This kind battery pack, no matter how circular batteries arranges, and between its battery certain space must be arranged, though the waste in space has also been caused to a great extent effectively in the battery heat radiation in this space, has reduced the energy density of battery pack unit volume simultaneously.And, the cylindrical battery trouble that is fixed up comparatively, the fixture that forms after the battery pack is also comparatively complicated, in case fixing bad, make the battery changing of the relative positions or be short-circuited, will bring great safety problem.And for the rectangular lithium ion power battery pack, also there is not a kind of mode preferably to be applied in the electric motor car at present, especially there is not a kind of good fixture can fastening effectively battery pack, can improve the energy density of battery unit volume to a certain extent again, thereby make power battery pack reach safest user mode.
[utility model content]
The purpose of this utility model just provides a kind of well secured device that has, unit volume energy density height, the rectangular lithium ion power battery pack that usage safety performance is high.
The technical scheme of the utility model rectangular lithium ion power battery pack is:
A kind of rectangular lithium ion power battery pack, comprise cell body, cell body fastener, wherein: described cell body fastener comprises pressing plate and connecting band, and pressing plate compresses cell body along the orientation of each battery in the cell body, is linked to each other and is made cell body fastening by connecting band.
Between each battery, dividing plate is housed also between the contact-making surface of described further pressing plate and connecting band and cell body and in the cell body.
Further again, described dividing plate is a flame retardant plastics, can be flame-proof ABS, flame-proof polyethylene PE, polypropylene flame redardant PP, flame-proof polyvinyl chloride PVC, fire retardant polystyrene PS and flame retardant polycarbonate PC.This baffle surface can also leave louvre.
The advantage of the utility model rectangular lithium ion power battery pack is: battery pack unit volume energy density height, safe and reliable, the battery pack fixture structure is simple, and is fastening effective.
In conjunction with example the utility model is described in further detail with reference to the accompanying drawings:
[description of drawings]
Fig. 1 is the combination stereogram of a kind of execution mode of the utility model rectangular lithium ion power battery pack.
Fig. 2 is the exploded view of rectangular lithium ion power battery pack shown in Figure 1.
Fig. 3 is the local exploded view of rectangular lithium ion power battery pack shown in Figure 1.
[embodiment]
Please refer to Fig. 1, be the combination stereogram of a kind of execution mode of the utility model rectangular lithium ion power battery pack.This rectangular lithium ion power battery pack, comprise cell body 1, cell body fastener 2, wherein: cell body fastener 2 comprises left and right pressing plate 3,3 ' and connecting band 4, wherein left and right pressing plate 3,3 ' compresses cell body 1 along the orientation of each battery in the cell body 1 respectively, it is linked to each other mutually and is made cell body fastening by connecting band 4.In this battery pack, forward and backward, upper and lower four faces of cell body connect left pressing plate 3 and right pressing plate 3 ' by connecting band 4.
Please refer to Fig. 2, be the exploded view of rectangular lithium ion power battery pack shown in Figure 1.In this battery pack, cell body is arranged in order by 6 rectangular lithium ion electrokinetic cells to be formed, between each battery and left and right pressing plate 3,3 ' and battery between dividing plate 5 all is housed; Between the connecting band 4 of former and later two faces of battery and battery, forward and backward dividing plate 6,6 ' is housed also.Its median septum 5 is a fire retardant plastic material with forward and backward dividing plate 6,6 ', can be any among flame-proof ABS, flame-proof polyethylene PE, polypropylene flame redardant PP, flame-proof polyvinyl chloride PVC, fire retardant polystyrene PS and the flame retardant polycarbonate PC.Because flame retardant plastics has anti-flammability, electrical insulating property and good mechanical performance, select not only can prevent battery short circuit, and occur as leakage, also can not burning when unusual at battery as dividing plate, guarantee safety.In addition, flame retardant plastics has certain toughness, when the fastening cell body of pressing plate, can not cause the damage of battery.For dividing plate 5 or forward and backward dividing plate 6,6 ', also leave louvre on its surface, be beneficial to produce distributing of heat in the battery pack use.
In the assembling of this rectangular lithium ion battery group, earlier 6 rectangular lithium ion electrokinetic cells are arranged in order, make that the positive and negative pole of each battery is staggered (direction is as shown in Figure 2), so that connect between battery.The top of each battery and bottom have added that cover 7 is gone up in insulation and the end overlaps 8, mainly play insulating effect.Between each battery, add dividing plate 5, battery is forced together, and the electric guide plate 9 of on two heteropole poles of adjacent cell, packing into, make battery realize that series connection constitutes cell body 1 (as shown in Figure 3).Subsequently with left and right pressing plate 3,3 ' together with the battery-arrangements direction of two dividing plates from cell body 1, promptly left and right two sides compresses cell body, adds forward and backward dividing plate 6,6 ' simultaneously, and from front and back four sides up and down, by connecting band two pressing plates are tightly linked together.Its center platen and connecting band tighten together by riveted joint or screw.It is a battery pack that the fastened device of cell body this moment clamps securely.
After the assembling of this battery pack finishes, on the conductive plate 9 of the upper end of cell body 1, install insulator cap 10 additional, further the insulation protection battery pack.
In this rectangular lithium ion power battery pack, the use of each dividing plate can be determined corresponding size and thickness when design, after battery pack is fixed by pressing plate, the changing of the relative positions does not take place in it in cell body, guarantee the relative position of each battery in the cell body, makes whole battery group solid and reliable.In battery pack, connecting band 4 can be materials such as steel band, and the surface can be wrapped up with thermoplastic tube, further plays the insulation protection effect.
Adopting in the volume of rectangular lithium ion power battery pack of the present utility model, except the volume that battery case and fastener occupied, has been exactly the volume of battery storage capacity substantially, so the unit volume energy density height very of this battery pack.Be applied to electric motor car, can adopt several groups of such battery pack, be assemblied in as required on the car, it is with respect to other kinds battery pack, and is in light weight, energy density is high, fastness good, and is safe and reliable.
The utility model rectangular lithium ion power battery pack, be not limited to above embodiment, the number of battery can increase or reduce according to actual needs in its cell body, also can be arranged in two row or multiple rows according to specific requirement, and this moment is as long as suitably adjust the pressing plate size.For its pressing plate quantity, outside two that guarantee on the battery-arrangements direction, pressing plate before and after also can increasing as required, but can increase battery weight like this, also be unfavorable for heat radiation, not preferred scheme.
Above execution mode is a preferred version of the present utility model, for those skilled in the art, to wherein some part some changes that may make all embodied principle of the present utility model, belong within the protection range of the present utility model.
Claims (6)
1, a kind of rectangular lithium ion power battery pack, comprise cell body, cell body fastener, it is characterized in that: described cell body fastener comprises pressing plate and connecting band, and pressing plate compresses cell body along the orientation of each battery in the cell body, is linked to each other and is made cell body fastening by connecting band.
2, rectangular lithium ion power battery pack according to claim 1 is characterized in that: between each battery, dividing plate is housed also between the contact-making surface of described pressing plate and connecting band and cell body and in the cell body.
3, rectangular lithium ion power battery pack according to claim 2, it is characterized in that: described dividing plate is a flame retardant plastics, can be flame-proof ABS, flame-proof polyethylene PE, polypropylene flame redardant PP, flame-proof polyvinyl chloride PVC, fire retardant polystyrene PS and flame retardant polycarbonate PC.
4, rectangular lithium ion power battery pack according to claim 2, it is characterized in that: described baffle surface leaves louvre.
5, rectangular lithium ion power battery pack according to claim 1 is characterized in that: described pressing plate and connecting band tighten together by riveted joint or screw.
6, rectangular lithium ion power battery pack according to claim 1, it is characterized in that: described connecting band is wrapped up by thermoplastic tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2003201288916U CN2679860Y (en) | 2003-12-29 | 2003-12-29 | Square lithium ion power battery set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2003201288916U CN2679860Y (en) | 2003-12-29 | 2003-12-29 | Square lithium ion power battery set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2679860Y true CN2679860Y (en) | 2005-02-16 |
Family
ID=34581469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2003201288916U Expired - Lifetime CN2679860Y (en) | 2003-12-29 | 2003-12-29 | Square lithium ion power battery set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2679860Y (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2073291A2 (en) | 2007-12-18 | 2009-06-24 | BYD Company Limited | Battery Pack |
| WO2009082957A1 (en) * | 2007-12-25 | 2009-07-09 | Byd Company Limited | Battery system having interconnected battery packs each having multiple electrochemical storage cells |
| WO2010124566A1 (en) * | 2009-04-30 | 2010-11-04 | Byd Company Limited | Power battery module |
| US8007935B2 (en) | 2006-10-30 | 2011-08-30 | Byd Co., Ltd. | Plate assembly, core and lithium ion battery |
| US8092936B2 (en) | 2007-12-25 | 2012-01-10 | Byd Co. Ltd. | Electrochemical cell having a coiled core |
| US8178225B2 (en) | 2007-11-29 | 2012-05-15 | Byd Co., Ltd. | Battery and preparation method thereof |
| CN102544406A (en) * | 2012-02-15 | 2012-07-04 | 中国电力科学研究院 | Flexibly-packaged battery module group |
| CN102569936A (en) * | 2012-02-15 | 2012-07-11 | 中国电力科学研究院 | Flexible packaging battery module |
| CN102593392A (en) * | 2012-02-15 | 2012-07-18 | 中国电力科学研究院 | Connecting assembly for flexile package battery pack |
| CN102593431A (en) * | 2012-02-15 | 2012-07-18 | 中国电力科学研究院 | ABS (Acrylonitrile Butadiene Styrene) cleat insulator for flexible packaged battery pack |
| CN102593550A (en) * | 2012-02-15 | 2012-07-18 | 中国电力科学研究院 | Flexibly-packaged box type battery |
| US8276695B2 (en) | 2007-12-25 | 2012-10-02 | Byd Co. Ltd. | Battery electrode sheet |
| CN102903873A (en) * | 2012-10-17 | 2013-01-30 | 安徽江淮汽车股份有限公司 | Battery pack locating device |
| US8420254B2 (en) | 2007-12-25 | 2013-04-16 | Byd Co. Ltd. | End cover assembly for an electrochemical cell |
| CN104851995A (en) * | 2014-02-18 | 2015-08-19 | 北京普莱德新能源电池科技有限公司 | Air-cooled module structure |
| CN106024418A (en) * | 2016-08-09 | 2016-10-12 | 上海展枭新能源科技有限公司 | Lithium-ion capacitor module |
| CN106058110A (en) * | 2016-08-12 | 2016-10-26 | 辽宁比科新能源股份有限公司 | Lithium ion battery pack |
-
2003
- 2003-12-29 CN CNU2003201288916U patent/CN2679860Y/en not_active Expired - Lifetime
Cited By (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8007935B2 (en) | 2006-10-30 | 2011-08-30 | Byd Co., Ltd. | Plate assembly, core and lithium ion battery |
| US8178225B2 (en) | 2007-11-29 | 2012-05-15 | Byd Co., Ltd. | Battery and preparation method thereof |
| US8178230B2 (en) | 2007-12-18 | 2012-05-15 | Byd Co., Ltd. | Battery pack |
| EP2073291A2 (en) | 2007-12-18 | 2009-06-24 | BYD Company Limited | Battery Pack |
| US8202644B2 (en) | 2007-12-25 | 2012-06-19 | Byd Co. Ltd. | Protection cover for an end cap assembly of a battery cell |
| US10147930B2 (en) | 2007-12-25 | 2018-12-04 | Shenzhen Byd Auto R&D Company Limited | Construction of electrochemical storage cell with conductive block |
| US8399116B2 (en) | 2007-12-25 | 2013-03-19 | Byd Co. Ltd. | Optimized dimensional relationships for an electrochemical cell having a coiled core |
| US8193770B2 (en) | 2007-12-25 | 2012-06-05 | BYD Co. Ltd | Battery system for a vehicle having an over-current/over-temperature protective feature |
| US8404379B2 (en) | 2007-12-25 | 2013-03-26 | Byd Co., Ltd. | Vehicle with a battery system |
| WO2009082957A1 (en) * | 2007-12-25 | 2009-07-09 | Byd Company Limited | Battery system having interconnected battery packs each having multiple electrochemical storage cells |
| US10381632B2 (en) | 2007-12-25 | 2019-08-13 | Shenzhen Byd Auto R&D Company Limited | Construction of electrochemical storage cell with conductive bridge |
| US8092936B2 (en) | 2007-12-25 | 2012-01-10 | Byd Co. Ltd. | Electrochemical cell having a coiled core |
| US9741996B2 (en) | 2007-12-25 | 2017-08-22 | Byd Co. Ltd. | Construction of electrochemical storage cell |
| US8865335B2 (en) | 2007-12-25 | 2014-10-21 | Byd Co. Ltd. | Electrochemical storage cell |
| US8276695B2 (en) | 2007-12-25 | 2012-10-02 | Byd Co. Ltd. | Battery electrode sheet |
| US8420254B2 (en) | 2007-12-25 | 2013-04-16 | Byd Co. Ltd. | End cover assembly for an electrochemical cell |
| US8383257B2 (en) | 2007-12-25 | 2013-02-26 | Byd Co. Ltd. | Electrochemical storage cell with blow out vents |
| WO2010124566A1 (en) * | 2009-04-30 | 2010-11-04 | Byd Company Limited | Power battery module |
| CN102544406A (en) * | 2012-02-15 | 2012-07-04 | 中国电力科学研究院 | Flexibly-packaged battery module group |
| CN102593431A (en) * | 2012-02-15 | 2012-07-18 | 中国电力科学研究院 | ABS (Acrylonitrile Butadiene Styrene) cleat insulator for flexible packaged battery pack |
| CN102593550B (en) * | 2012-02-15 | 2014-08-27 | 中国电力科学研究院 | Flexibly-packaged box type battery |
| CN102544406B (en) * | 2012-02-15 | 2014-08-27 | 中国电力科学研究院 | Flexibly-packaged battery module group |
| CN102569936B (en) * | 2012-02-15 | 2014-08-27 | 中国电力科学研究院 | Flexible packaging battery module |
| CN102593392B (en) * | 2012-02-15 | 2014-09-10 | 中国电力科学研究院 | Connecting assembly for flexile package battery pack |
| CN102593550A (en) * | 2012-02-15 | 2012-07-18 | 中国电力科学研究院 | Flexibly-packaged box type battery |
| CN102593431B (en) * | 2012-02-15 | 2014-10-29 | 中国电力科学研究院 | ABS (Acrylonitrile Butadiene Styrene) cleat insulator for flexible packaged battery pack |
| CN102569936A (en) * | 2012-02-15 | 2012-07-11 | 中国电力科学研究院 | Flexible packaging battery module |
| CN102593392A (en) * | 2012-02-15 | 2012-07-18 | 中国电力科学研究院 | Connecting assembly for flexile package battery pack |
| CN102903873B (en) * | 2012-10-17 | 2015-03-25 | 安徽江淮汽车股份有限公司 | Battery pack locating device |
| CN102903873A (en) * | 2012-10-17 | 2013-01-30 | 安徽江淮汽车股份有限公司 | Battery pack locating device |
| CN104851995A (en) * | 2014-02-18 | 2015-08-19 | 北京普莱德新能源电池科技有限公司 | Air-cooled module structure |
| CN104851995B (en) * | 2014-02-18 | 2018-01-09 | 北京普莱德新能源电池科技有限公司 | A kind of air-cooled modular structure |
| CN106024418B (en) * | 2016-08-09 | 2018-11-20 | 上海展枭新能源科技有限公司 | A kind of lithium-ion capacitor mould group |
| CN106024418A (en) * | 2016-08-09 | 2016-10-12 | 上海展枭新能源科技有限公司 | Lithium-ion capacitor module |
| CN106058110B (en) * | 2016-08-12 | 2018-06-12 | 辽宁比科新能源股份有限公司 | A kind of lithium ion battery packet |
| CN106058110A (en) * | 2016-08-12 | 2016-10-26 | 辽宁比科新能源股份有限公司 | Lithium ion battery pack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20131229 Granted publication date: 20050216 |