CN203787495U - Battery block based on small-sized cell, battery module and battery pack - Google Patents

Battery block based on small-sized cell, battery module and battery pack Download PDF

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Publication number
CN203787495U
CN203787495U CN201420128264.0U CN201420128264U CN203787495U CN 203787495 U CN203787495 U CN 203787495U CN 201420128264 U CN201420128264 U CN 201420128264U CN 203787495 U CN203787495 U CN 203787495U
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CN
China
Prior art keywords
battery
battery modules
pole
copper
small
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 - Fee Related
Application number
CN201420128264.0U
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Chinese (zh)
Inventor
张洋
商业路
叶国华
伯儒尔·杨-罗格·林纳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BEIJING BOSTON POWER TECHNOLOGY Co Ltd
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BEIJING BOSTON POWER TECHNOLOGY Co Ltd
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Priority to CN201420128264.0U priority Critical patent/CN203787495U/en
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Publication of CN203787495U publication Critical patent/CN203787495U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Connection Of Batteries Or Terminals (AREA)

Abstract

The utility model provides a battery block based on a small-sized cell, a battery module and a battery pack. The battery block comprises conducting copper bars and a cell framework which is formed in an injection moulding manner, wherein a cell is arranged in the cell framework, the left side and the right side of the cell framework are respectively provided with one conducting copper bar; each conducting copper bar comprises a rectangular copper plate and a post terminal which extends along the length direction of the copper plate, and each post terminal is arranged on the side in the width direction of the corresponding copper plate; an electrode of the cell is connected with the copper plate of the conducting copper bar. According to the utility model, the problems such as complexity in cable connection, high layout difficulty and small peripheral safety distance of a formed battery module, caused when small-sized cells are assembled, can be solved.

Description

Battery module, battery modules and power brick based on small-sized battery core
Technical field
The invention belongs to the battery management technical field in electric automobile or large power energy storage power station, relate to a kind of small-sized battery core scheme in groups.
Background technology
Electric automobile or large power energy storage system comprise battery modules, due to the charge-discharge characteristic of the small-scale lithium ion cell as battery core, need the solution of safety, high-energy-density when composition battery modules.
The problem that must consider in the time designing electric automobile or large power energy storage power station solution in groups by battery core.How promoting under the premise that security is guaranteed energy density as far as possible, reduce costs simultaneously, is the problem that will solve present stage.
Current small-sized battery core in groups scheme mainly contains:
1. Chinese patent CN 102623736 B disclose the scheme in groups of a kind of battery module and battery modules, be fixed with bolts, while this module being installed from top to bottom, can take the space of short transverse, battery module and the battery modules of short transverse space anxiety are difficult for being implemented.While installation from the side, need larger spanner fitting operation space, operating space takies excessive, and space availability ratio is low; In groups, product headspace is too small, can increase dismounting and difficulty in groups again.
2. Chinese patent CN 202585578 U disclose a kind of electric powered motor battery module, use large plastic casing self-contained battery module, in the time that battery modules is excessive, easily produces center position battery core is compressed to hypodynamic problem.
Utility model content
The technical problems to be solved in the utility model is: small-sized battery core in groups time cable connect complicated, layout difficulty is high, the peripheral safe distance of battery modules of composition is too small.
In order to solve the problems of the technologies described above, a kind of battery module based on small-sized battery core is provided, comprise the battery core framework of conducting copper and injection mo(u)lding, in described battery core framework, be provided with battery core, the left side of described battery core framework and right side respectively arrange a conducting copper; Described conducting copper comprises the pole that rectangular copper coin and the length direction along described copper coin extend, and described pole is arranged in the Width side of described copper coin; The electrode of described battery core is connected with the copper coin of described conducting copper.
In preferred scheme, described pole is positioned at top or the bottom of the Width side of described copper coin.
In preferred scheme, on described copper coin, be welded with nickel sheet, together with the electrode welding of described nickel sheet and described battery core.
It is a kind of by the synthetic battery modules of the above-mentioned group of battery modules based on small-sized battery core that the utility model also provides, and wherein, multiple described battery modules are arranged side by side formation battery modules, and the pole of adjacent described battery module links together; The length direction of described battery modules is fixed by two pressing plates, and the Width of described battery modules is fixed by two L-type plates; The electrode terminal of described battery modules comprises the pole that is positioned at described battery modules front side and rear side.
In preferred scheme, described two pressing plates are respectively against front side and the rear side of described battery modules, pressing plate through hole is set on described pressing plate, installation through hole is set on described battery module, multiple described battery modules are by fixing through the stay bolt of described pressing plate through hole and installation through hole; On described L-type plate, connecting hole is set, the bottom of the front side of described battery module and the bottom of rear side are respectively arranged with embedded nut, and sunk screw, through described connecting hole, is fixed in described embedded nut.
In preferred scheme, the pole of adjacent described battery module connects by transition copper bars.
In preferred scheme, on described electrode terminal, be fixed with the L-type copper bar with riveting nut.
The utility model also provides a kind of power brick being combined into by above-mentioned battery modules, comprises the multiple battery modules that are arranged side by side, and the electrode terminal of adjacent two battery modules connects by cable.
The utility model solved small-sized battery core in groups time cable connect complicated, layout difficulty is high, the too small problem of the peripheral safe distance of battery modules of composition.
Brief description of the drawings
Fig. 1 to Fig. 4 shows 4 kinds of battery modules that structure is different;
Fig. 5 shows by group of battery modules of the present utility model and is combined the battery modules forming;
Fig. 6 is the connection diagram of the pole of adjacent battery modules;
Fig. 7 is the electrode terminal schematic diagram of battery modules;
Fig. 8 shows two battery modules that are arranged side by side;
Fig. 9 shows the power brick that battery modules assembles.
Embodiment
Technical scheme in the utility model embodiment is carried out to clear, complete description below.
In the following description, multiple battery modules are assembled into battery modules, and multiple battery modules are assembled into power brick.
Fig. 1 to Fig. 4 shows 4 kinds of battery modules, can be assembled into battery modules of the present utility model by these 4 kinds of battery modules.Battery module 1 comprises the battery core framework 2 of conducting copper and injection mo(u)lding, the interior battery core that arranges of battery core framework 2, and battery core framework 2 is hexahedral shape, the left side of battery core framework 2 and right side respectively arrange a conducting copper; Conducting copper comprises the pole 4 that rectangular copper coin 3 and the length direction along copper coin 3 extend, and pole 4 is arranged on the Width side of copper coin 3, is preferably placed at top or the bottom of Width side; The electrode of battery core is connected with the copper coin of conducting copper 3, is preferably welding manner and connects, and nickel sheet is welded between the electrode and copper coin 3 of battery core.According to different mounting meanss, two conducting coppers and a battery core framework 2 can be assembled into the battery module shown in Fig. 1 to Fig. 4.
Can use the distinctive battery core of Boston battery or 18650 battery cores to be assembled into above-mentioned battery module.Such battery module design is conducive to battery module to be assembled in a different manner different battery modules.Can realize the flexibility layout of battery modules, be convenient to realize simple and safe cable and connect.
Fig. 5 shows above-mentioned group of battery modules and is combined a kind of battery modules of formation.Multiple battery modules 1 are arranged side by side, and the pole 4 of adjacent battery modules 1 links together.The pole 4 that is positioned at battery modules 6 front sides and rear side forms the electrode terminal of battery modules, and the position of electrode terminal can be arranged on A1 or A2 place and B1 or B2 place as required, adjusts the position of electrode terminal by different battery module 1 is set.
Referring to Fig. 1 to Fig. 5, on battery module 1, arrange through hole 5 is installed, can utilize stay bolt and two pressing plates 7 that are arranged in battery modules front side and rear side that 5 battery modules 1 of Fig. 1 are strained, now stay bolt is through pressing plate through hole 9 and installation through hole 5.Plastic protection cover 8 is set on the pole of battery module 1, prevents the accident such as short circuit, electric leakage.By sunk screw, L-type plate 10 is fixed on to the bottom in left side and the bottom on right side of battery modules 6, sunk screw is through the connecting hole 11 on L-type plate 10, penetrate on the embedded nut 12 of bottom of battery module 1 forward and backward both sides, thereby make battery modules 6 form the constitutionally stable entirety of all directions.In addition, voltage sample joint 13 is fixed on pressing plate 7.
Fig. 6 is the connection diagram of the pole of adjacent battery modules, and Fig. 7 is the electrode terminal schematic diagram of battery modules.In Fig. 6, the pole 4 being abutted together links together by transition copper bars 14, two poles 4 and transition copper bars 14 are arranged side by side, preferably, transition copper bars 14 is clipped between two poles 4, the second bolt hole 16 on the first bolt hole 15 and transition copper bars 14 on pole 4 aligns, and these two bolts hole are passed so that fixing by bolt.
In Fig. 7, be fixed on the electrode terminal place of battery modules with the L-type copper bar 17 of riveting nut, to be fixed for connecting the cable of adjacent cell module, advance reservation installing space, make the connection of above-mentioned cable convenient.
Above-mentioned battery modules is only fixed by two kinds of sheet metal components, that is: be fixed by pressing plate 7 and each two of L-type plate 10.Therefore, it is light that this battery modules has quality, and energy density is high, and Group Parts production difficulty is low, the advantage that cost is low.
Fig. 8 shows two battery modules that are arranged side by side, as shown in Figure 8, the electrode terminal of two battery modules 6 is connected to each other by cable 18, and the electrode terminal of a battery modules 6 is positioned at the front side of battery modules 6, and the electrode terminal of another battery modules 6 is positioned at the rear side of battery modules 6.Cable 18 two ends are fixedly connected with a L-type plate 10 respectively, and cable 18 is arranged in two gaps between battery modules 6, do not take the short transverse space of battery modules 6.After cable 18 is fixedly connected with, available insulation protection cover 19 protects fixed connection place.By this mode of connection, can make most of cable 18 all be arranged in the gap between battery modules 6 and not be exposed to outside battery modules 6, between multiple battery modules 6 He in battery pack case, reserve certain safe space.
Fig. 9 shows the power brick that battery modules assembles, and utilizes mode shown in Fig. 8 to connect each battery modules, and the power brick of combining is placed in battery pack case.Use above-mentioned battery module and battery modules can be easily total positive pole of power brick and total negative pole be arranged in to any side of power brick, to facilitate connection.
Obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.

Claims (8)

1. the battery module based on small-sized battery core, is characterized in that: comprise the battery core framework of conducting copper and injection mo(u)lding, in described battery core framework, be provided with battery core, the left side of described battery core framework and right side respectively arrange a conducting copper; Described conducting copper comprises the pole that rectangular copper coin and the length direction along described copper coin extend, and described pole is arranged in the Width side of described copper coin; The electrode of described battery core is connected with the copper coin of described conducting copper.
2. the battery module based on small-sized battery core according to claim 1, is characterized in that: described pole is positioned at top or the bottom of the Width side of described copper coin.
3. the battery module based on small-sized battery core according to claim 1 and 2, is characterized in that: on described copper coin, be welded with nickel sheet, together with the electrode welding of described nickel sheet and described battery core.
4. by the synthetic battery modules of the group of battery modules based on small-sized battery core described in any one in claims 1 to 3, it is characterized in that: multiple described battery modules are arranged side by side formation battery modules, and the pole of adjacent described battery module links together; The length direction of described battery modules is fixed by two pressing plates, and the Width of described battery modules is fixed by two L-type plates; The electrode terminal of described battery modules comprises the pole that is positioned at described battery modules front side and rear side.
5. battery modules according to claim 4, it is characterized in that: described two pressing plates are respectively against front side and the rear side of described battery modules, pressing plate through hole is set on described pressing plate, installation through hole is set on described battery module, and multiple described battery modules are by fixing through the stay bolt of described pressing plate through hole and installation through hole; On described L-type plate, connecting hole is set, the bottom of the front side of described battery module and the bottom of rear side are respectively arranged with embedded nut, and sunk screw, through described connecting hole, is fixed in described embedded nut.
6. battery modules according to claim 5, is characterized in that: the pole of adjacent described battery module connects by transition copper bars.
7. battery modules according to claim 4, is characterized in that: on described electrode terminal, be fixed with the L-type copper bar with riveting nut.
8. the power brick being combined into by battery modules described in any one in claim 4 to 7, is characterized in that: comprise the multiple battery modules that are arranged side by side, the electrode terminal of adjacent two battery modules connects by cable.
CN201420128264.0U 2014-03-20 2014-03-20 Battery block based on small-sized cell, battery module and battery pack Expired - Fee Related CN203787495U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420128264.0U CN203787495U (en) 2014-03-20 2014-03-20 Battery block based on small-sized cell, battery module and battery pack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420128264.0U CN203787495U (en) 2014-03-20 2014-03-20 Battery block based on small-sized cell, battery module and battery pack

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104377325A (en) * 2014-11-04 2015-02-25 惠州市德赛电池有限公司 In-vehicle starting power supply
CN108598352A (en) * 2018-06-25 2018-09-28 北斗航天汽车(北京)有限公司 A kind of cell parallel cupro-nickel cylinder manifold
CN109148743A (en) * 2018-09-05 2019-01-04 昆山金鑫新能源股份有限公司 Battery modules
CN110379954A (en) * 2018-04-12 2019-10-25 东莞鸿霖车业有限公司 Multi-section type battery assembly

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104377325A (en) * 2014-11-04 2015-02-25 惠州市德赛电池有限公司 In-vehicle starting power supply
CN110379954A (en) * 2018-04-12 2019-10-25 东莞鸿霖车业有限公司 Multi-section type battery assembly
CN108598352A (en) * 2018-06-25 2018-09-28 北斗航天汽车(北京)有限公司 A kind of cell parallel cupro-nickel cylinder manifold
CN109148743A (en) * 2018-09-05 2019-01-04 昆山金鑫新能源股份有限公司 Battery modules
CN109148743B (en) * 2018-09-05 2024-02-23 昆山金鑫新能源科技股份有限公司 Battery module

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140820

Termination date: 20190320

CF01 Termination of patent right due to non-payment of annual fee