CN103427054A - Horizontal-type battery module adopting cascading battery core - Google Patents
Horizontal-type battery module adopting cascading battery core Download PDFInfo
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- CN103427054A CN103427054A CN201210147509XA CN201210147509A CN103427054A CN 103427054 A CN103427054 A CN 103427054A CN 201210147509X A CN201210147509X A CN 201210147509XA CN 201210147509 A CN201210147509 A CN 201210147509A CN 103427054 A CN103427054 A CN 103427054A
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- battery core
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- fixed head
- battery module
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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
Abstract
The invention relates to an electromobile power supply device for solving the problem that a horizontal-type battery module is not uniform in stress, and thus the battery core is extruded and deforms, and provides the horizontal-type battery module which is simple and compact in structure and adopts a cascading battery core. The specific technical scheme is as follows: the horizontal-type battery module adopting the cascading battery core comprises a plurality of battery core units disposed in a stacking manner; each battery core unit comprises a battery core, a heat radiating sheet, a buffer gasket and two frame-shaped supports; the cross section of the heat radiating sheet is a concave groove, and the appearance and the size of the inner concave part are adaptive to the battery core; the battery core is disposed in the heat radiating sheet; frames of the two frame-shaped supports respectively clamp flangings at two sides of the heat radiating sheet from top to bottom; and the buffer gasket is disposed on the upper surface of the battery core. According to the horizontal-type battery module adopting the cascading battery core, the weight of the battery core is supported through the structures of the heat radiating sheet and the frame-shaped supports, the problem that the battery core is extruded and deforms because of the suffered gravity action is prevented, the structure is compact, and the original volume is hardly increased.
Description
Technical field
The present invention relates to a kind of electric vehicle power sources equipment, especially a kind of horizontal lying-type battery module that adopts stacked battery core.
Background technology
Along with the exhaustion day by day of traditional energy and the continuous enhancing of people's environmental consciousness, new-energy automobile, especially adopt electric automobile that rechargeable battery is power day by day to be subject to the attention in market.As the battery module of vehicle power, due to the limitation that is subject to the vehicle arrangement space and consider the reliability of battery core work, be mostly at present the design of stacked battery core, and adopt horizontal lying-type to arrange more.But this method for arranging exists certain defect, due to every battery core except will bearing weight itself, also to be located thereon, be descended the extruding of other battery core, cause unbalance stress, run up to and to a certain degree also can cause the battery core distortion even to damage, reduce the useful life of power supply, improved maintenance cost.China national Department of Intellectual Property discloses the patent of invention (notification number: CN1855597A) of a kind of " battery module " by name, content is: a kind of battery module, it comprises a plurality of element cells, each element cell has the element cell housing of a hold electrodes assembly and is formed on the combining unit on each element cell housing outer surface, and this combining unit is bonded to each other the housing of the adjacent-cell battery of described a plurality of element cells.This invention strengthens the structure between battery unit by holder housing outside battery unit (or battery core) method that each housing is mutually combined, although effectively but can greatly increase the volume of battery module, and can make internal structure too complicated, be difficult to be promoted in the electric vehicle power sources field.
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Summary of the invention
The objective of the invention is to solve battery core that the horizontal lying-type battery module exists causes due to the unbalance stress even problem of distortion that is squeezed, a kind of horizontal lying-type battery module of the stacked battery core of employing simple and compact for structure is provided.
For achieving the above object, the present invention adopts following scheme: a kind of horizontal lying-type battery module that adopts stacked battery core, comprise the battery core unit of some stacked placements and the fixture of fixing these battery core unit, each battery core unit comprises battery core, fin, cushion pad and two frame supports, the profile that the cross section of described fin is groove type and female parts and size and battery core are suitable, described battery core is positioned in fin, the frame of two frame supports is respectively from clamping up and down the flange of fin both sides, described cushion pad is positioned over the upper surface of battery core, the surface of cushion pad and the flush of frame support, the edge of cushion pad and the inward flange of frame support join.By battery core being positioned on the fin and frame support cooperatively interacted; make battery core can directly not be subject to the extruding that gravity produces, cushion pad can further produce spacing and protection effect to battery core, has extended the useful life of battery core; and compact conformation, increase hardly the volume of battery core.
As preferably, the correspondence position of described frame support in four each corners respectively has a fixing hole, described fixture comprises the module nut that an end is fixed with the double-screw bolt of bottom nut, is positioned at the bottom nut top and is socketed on the pad on double-screw bolt and is complementary with double-screw bolt, and described double-screw bolt passes from bottom to top fixing hole and coordinates all battery cores unit is fixed with the module nut.Cooperation by double-screw bolt, module nut and framework becomes battery module by the battery core unit combination, simple and reliable for structure, is convenient to safeguard.
As preferably, the upper end of described fixture is provided with cover plate, on described module nut, is provided with rubber blanket, and described cover plate is arranged on rubber blanket, and described double-screw bolt is through cover plate and on the cover board with hold-down nut, cover plate is fixed.Cover plate can provide protection to the top of whole battery module.
As preferably, described fin be coated with anodic oxide coating, the surface of described double-screw bolt is coated with insulating layer of Teflon.The fin contacted with battery core and double-screw bolt, after above-mentioned processing, have not only improved the insulation property of battery module, and wear-resisting, corrosion-resistant, fire-retardant texts in addition, have further improved the performance and used life of battery module.
As preferably, on the end face of described battery core unit, the lug fixed head is installed, described lug fixed head is connected with the end limit of frame support, be provided with some lug via holes parallel with the end limit of battery core on described lug fixed head, on the lug fixed head on each lug via hole side, be provided with the lug fixture.The lug of battery core is carried out drawing and being fixed on the lug fixed head after many and processing on demand, solved when lug connects and because compressing structure is unreliable, caused the impedance increasing even to have security hidden trouble.
As preferably, described lug fixture comprises the lug rubber cushion that is covered on lug fixed head surface and the copper sheet of top, and described lug rubber cushion and copper sheet fix with lug fixed bolt and lug hold-down nut.The lug of battery core passes the lug via hole and is attached on the upper surface of lug rubber cushion, then copper sheet is covered to lug and fixes with lug fixed bolt and lug hold-down nut.
As preferably, the length direction along the lug via hole on described lug fixed head is provided with some insulating spacers, and described insulating spacer is between adjacent two groups of lug via holes and lug fixture.Insulating spacer can prevent between battery core producing short circuit, improves fail safe.
As preferably, described lug fixed head is equipped with the separated time protective cover outward, and the side of described separated time protective cover and inside are respectively arranged with high-voltage line line outlet and low-voltage line limited mouth.The high-voltage line of drawing from cell polar ear like this can be drawn from the high-voltage line line outlet; low-voltage line connects by the low-voltage line limited mouth; improved the staggered mixed and disorderly problem of the high-low pressure wire harness existed in the original structure, the separated time protective cover also plays a protective role to the distolateral of battery core in addition.
The invention has the beneficial effects as follows: bear the deadweight of battery core by the structure of fin and frame support, the problem of the crimp of having avoided battery core to be subject to due to Action of Gravity Field, and compact conformation, increase original volume hardly.
The accompanying drawing explanation
The structural representation that Fig. 1 is battery core unit in the present invention;
Fig. 2 is assembly drawing of the present invention;
The schematic diagram that Fig. 3 is lug fixed head in the present invention;
The schematic diagram that Fig. 4 is separated time protective cover in the present invention.
Wherein:
The 1-battery core, 2-fin, 3-cushion pad, 4-frame support; the 5-fixing hole, 6-bottom nut, 7-double-screw bolt, 8-pad; 9-module nut, 10-cover plate, 11-rubber blanket, 12-hold-down nut; 13-lug fixed head, 131-lug via hole, 132-lug rubber cushion, 133-copper sheet; 134-lug fixed bolt, 135-lug hold-down nut, 136-insulating spacer; 14-separated time protective cover, 141-high-voltage line line outlet, 142-low-voltage line limited mouth.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
As Fig. 1, shown in Fig. 2, a kind of horizontal lying-type battery module that adopts stacked battery core, the battery core unit that comprises 9 stacked placements, each battery core unit comprises battery core 1, fin 2, cushion pad 3 and two frame supports 4, the profile that the cross section of fin 2 is groove type and female parts and size and battery core 1 are suitable, fin 2 be coated with anodic oxide coating, battery core 1 is positioned in fin 2, the frame of two frame supports 4 is respectively from clamping up and down the flange of fin 2 both sides, cushion pad 3 is positioned over the upper surface of battery core 1, the inward flange of the flush of the surface of cushion pad 3 and frame support 4 and edge and frame support 4 joins, the correspondence position of four corners of frame support 4 respectively has a fixing hole 5, lower end is fixed with the double-screw bolt 7 of bottom nut 6 from bottom to top through fixing hole 5, be socketed with pad 8 on double-screw bolt 7 on bottom nut 6, the surface of double-screw bolt 7 is coated with insulating layer of Teflon, double-screw bolt 7 coordinates all battery cores unit is fixed with module nut 9, be provided with rubber blanket 11 on module nut 9, be placed with cover plate 10 on rubber blanket 11, double-screw bolt 7 is through cover plate 10 with hold-down nut 12, that cover plate 10 is fixing on cover plate 10, as Fig. 2, shown in Fig. 3, lug fixed head 13 is installed on the end face of battery core unit, lug fixed head 13 is connected with the end limit of frame support 4, be provided with 4 lug via holes 131 parallel with the end limit of battery core 1 on lug fixed head 13, be provided with the lug fixture on the lug fixed head 13 on each lug via hole 131 side, the lug fixture comprises the lug rubber cushion 132 that is covered on lug fixed head 13 surfaces and the copper sheet 133 of top, lug rubber cushion 132 and copper sheet 133 use lug fixed bolts 134 and lug hold-down nut 135 fix, respectively be provided with 1 insulating spacer 136 on lug fixed head 13 between adjacent two groups of lug via holes 131 and lug fixture, insulating spacer 136 is along the length direction setting of lug via hole 131, as shown in Figure 2, Figure 4 shows, lug fixed head 13 is outer is equipped with separated time protective cover 14, and the side of separated time protective cover 14 and inside are respectively arranged with high-voltage line line outlet 141 and low-voltage line limited mouth 142.
Adopt the battery core unit of the described structure of the present embodiment, after stacking and fixing, the extruding produced by battery core 1 gravity is born by fin 2 and two frame supports 4, fin 2 and cushion pad 3 have also played position-limiting action to battery core 1 simultaneously, battery core 1 has been played to protection preferably, cover plate 10 can provide protection to the top of whole battery module, the fin 2 contacted with battery core 1 and double-screw bolt 7 are after coating is processed, the insulation property of battery module have not only been improved, and wear-resisting in addition, corrosion-resistant, fire-retardant texts, further improved performance and used life of the present invention, many and the lug that battery core 1 forms by ultrasonic bonding or laser welding, through being attached on the upper surface of lug rubber cushion 132 after the lug via hole 131 on lug fixed head 13, copper sheet 133 is covered to lug fixing, this scheme has solved because the lug crimping is not tight or gross distortion causes impedance to strengthen the problem that even has potential safety hazard, is applicable to the battery module that most lug formula battery cores form, separated time protective cover 14 not only can be protected lug, and the high-low pressure wire harness of lug can be separated, and has solved staggered, the mixed and disorderly problem of the surperficial high-low pressure wire harness of lug fixed head 13.
Claims (8)
1. a horizontal lying-type battery module that adopts stacked battery core, comprise the battery core unit of some stacked placements and the fixture of fixing these battery core unit, it is characterized in that, each battery core unit comprises battery core (1), fin (2), cushion pad (3) and two frame supports (4), the profile that the cross section of described fin (2) is groove type and female parts and size and battery core (1) are suitable, described battery core (1) is positioned in fin (2), the frame of two frame supports (4) is respectively from clamping up and down the flange of fin (2) both sides, described cushion pad (3) is positioned over the upper surface of battery core (1), the flush of the surface of cushion pad (3) and frame support (4), the inward flange of the edge of cushion pad (3) and frame support (4) joins.
2. a kind of horizontal lying-type battery module that adopts stacked battery core according to claim 1, it is characterized in that, the correspondence position of described frame support (4) four corners respectively has a fixing hole (5), described fixture comprises the module nut (9) that an end is fixed with the double-screw bolt of bottom nut (6) (7), is positioned at bottom nut (6) top and is socketed on the pad (8) on double-screw bolt (7) and is complementary with double-screw bolt (7), and described double-screw bolt (7) passes from bottom to top fixing hole (5) and coordinates all battery cores unit is fixed with module nut (9).
3. a kind of horizontal lying-type battery module that adopts stacked battery core according to claim 2, it is characterized in that, the upper end of described fixture is provided with cover plate (10), be provided with rubber blanket (11) on described module nut (9), it is upper that described cover plate (10) is arranged at rubber blanket (11), and described double-screw bolt (7) is through cover plate (10) upper with hold-down nut (12), that cover plate (10) is fixing at cover plate (10).
4. a kind of horizontal lying-type battery module that adopts stacked battery core according to claim 1 and 2, is characterized in that, described fin (2) be coated with anodic oxide coating, the surface of described double-screw bolt (7) is coated with insulating layer of Teflon.
5. a kind of horizontal lying-type battery module that adopts stacked battery core according to claim 1, it is characterized in that, lug fixed head (13) is installed on the end face of described battery core unit, described lug fixed head (13) is connected with the end limit of frame support (4), be provided with some lug via holes (131) parallel with the end limit of battery core (1) on described lug fixed head (13), on the lug fixed head (13) on each lug via hole (131) side, be provided with the lug fixture.
6. a kind of horizontal lying-type battery module that adopts stacked battery core according to claim 5, it is characterized in that, described lug fixture comprises the lug rubber cushion (132) that is covered on lug fixed head (13) surface and the copper sheet (133) of top, and described lug rubber cushion (132) and copper sheet (133) fix with lug fixed bolt (134) and lug hold-down nut (135).
7. a kind of horizontal lying-type battery module that adopts stacked battery core according to claim 5, it is characterized in that, the upper length direction along lug via hole (131) of described lug fixed head (13) is provided with some insulating spacers (136), and described insulating spacer (136) is positioned between adjacent two groups of lug via holes (131) and lug fixture.
8. according to claim 5 or 6 or 7 described a kind of horizontal lying-type battery modules that adopt stacked battery core; it is characterized in that; described lug fixed head (13) is outer is equipped with separated time protective cover (14), and the side of described separated time protective cover (14) and inside are respectively arranged with high-voltage line line outlet (141) and low-voltage line limited mouth (142).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210147509.XA CN103427054B (en) | 2012-05-14 | 2012-05-14 | A kind of horizontal lying-type battery module using stacking battery core |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210147509.XA CN103427054B (en) | 2012-05-14 | 2012-05-14 | A kind of horizontal lying-type battery module using stacking battery core |
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| CN103427054A true CN103427054A (en) | 2013-12-04 |
| CN103427054B CN103427054B (en) | 2016-08-03 |
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| CN103904261A (en) * | 2014-02-25 | 2014-07-02 | 江苏华东锂电技术研究院有限公司 | Battery module |
| CN107196010A (en) * | 2016-03-14 | 2017-09-22 | 福特全球技术公司 | Gap is remained to the assembly and method of fin in battery assembly |
| CN108352470A (en) * | 2015-10-22 | 2018-07-31 | 日产自动车株式会社 | The assemble method and group battery of group battery |
| CN108511647A (en) * | 2018-04-13 | 2018-09-07 | 河南省超霸新能源科技有限公司 | A kind of battery bracket of Soft Roll multiple-protection function |
| CN109326754A (en) * | 2018-11-09 | 2019-02-12 | 溧阳中科海钠科技有限责任公司 | A kind of battery battery core sectional shelf-unit and battery pack |
| CN110828725A (en) * | 2018-08-08 | 2020-02-21 | 丰田自动车株式会社 | Battery pack |
| CN114614189A (en) * | 2022-03-29 | 2022-06-10 | 东莞新能安科技有限公司 | Battery module and electronic device |
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| CN103904261A (en) * | 2014-02-25 | 2014-07-02 | 江苏华东锂电技术研究院有限公司 | Battery module |
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| CN108511647A (en) * | 2018-04-13 | 2018-09-07 | 河南省超霸新能源科技有限公司 | A kind of battery bracket of Soft Roll multiple-protection function |
| CN110828725A (en) * | 2018-08-08 | 2020-02-21 | 丰田自动车株式会社 | Battery pack |
| CN109326754A (en) * | 2018-11-09 | 2019-02-12 | 溧阳中科海钠科技有限责任公司 | A kind of battery battery core sectional shelf-unit and battery pack |
| CN114614189A (en) * | 2022-03-29 | 2022-06-10 | 东莞新能安科技有限公司 | Battery module and electronic device |
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| CN103427054B (en) | 2016-08-03 |
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Effective date of registration: 20211112 Address after: 311215 No. 855, Jianshe Second Road, economic and Technological Development Zone, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Wanxiang 123 Co., Ltd Address before: 311215 Wanxiang Group Technology Center, No. 1 Wanxiang Road, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee before: Wanxiang Electric Vehicle Co., Ltd Patentee before: Wanxiang Group Co., Ltd |
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