CN204289564U - A kind of battery core pole piece group fixed mount and there is the battery of this battery core pole piece group fixed mount - Google Patents

A kind of battery core pole piece group fixed mount and there is the battery of this battery core pole piece group fixed mount Download PDF

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Publication number
CN204289564U
CN204289564U CN201420802741.7U CN201420802741U CN204289564U CN 204289564 U CN204289564 U CN 204289564U CN 201420802741 U CN201420802741 U CN 201420802741U CN 204289564 U CN204289564 U CN 204289564U
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Prior art keywords
pole piece
battery core
battery
core pole
piece group
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CN201420802741.7U
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顾辉
田边
李春小
胡大海
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Beijing Pride New Energy Battery Co Ltd
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Beijing Pride New Energy Battery Co Ltd
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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
    • 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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  • Sealing Battery Cases Or Jackets (AREA)

Abstract

The utility model discloses a kind of battery core pole piece group fixed mount, it is characterized in that, battery core pole piece group fixed mount comprises base plate and upper cover, base plate lower surface and upper cover upper surface are provided with flexure strip and reinforcement, upper cover is also provided with and captures jack and through hole, base plate lower surface is also provided with base plate shrinkage pool, and base plate and the connected mode of upper cover are that hasp is connected or external clip device connects, and the material of base plate and upper cover is the materials such as aluminium, nickel, polypropylene, polyethylene.The invention also discloses a kind of battery with this battery core pole piece group fixed mount.The utility model can prevent battery core pole piece the group dislocation of battery core pole piece and spacing in production and assembly process from increasing, and prevents battery case swells to be out of shape, ensures that battery has excellent chemical property.In addition, the utility model can also ensure that the battery of different cultivars possesses efficient packaging technology and conformity of production, improves assembly precision and the production efficiency of battery, reduces manufacturing cost.

Description

A kind of battery core pole piece group fixed mount and there is the battery of this battery core pole piece group fixed mount
Technical field
The utility model relates to cell art, particularly relates to a kind of battery core pole piece group fixed mount and has the battery of this battery core pole piece group fixed mount.
Background technology
For the high capacity rectangular lithium ion power cell pole flakes group adopting lamination process to manufacture, its pole piece quantity is more, calculates using a slice positive pole, a slice negative pole, two-layer barrier film as one deck, and more than 100 layers ability capacity are up to standard.Because the battery core pole piece group number of plies is more, carrying out that battery core pole piece group is taken off from laminating machine, battery core pole piece group enters battery container, cell polar ear is riveted with binding post, to weld or bolt to be connected etc. in the assembly operation process of a series of battery manufacture, movement and the assembling action of battery core pole piece group very easily cause, between battery core pole piece, misalignment occurs.Even lamination on Full-automatic lamination machine, be also faced with the problem often organized battery core pole piece and align within the scope of permissible error.In addition, battery is in charge and discharge process, and the thickness of its inner battery core pole piece group can increase more than several millimeters because of lattice dilatation, causes battery container extrusion.This will have a strong impact on the conformity of production of battery, reduce the serviceability of electrokinetic cell in groups.
Utility model content
In order to solve the problem, the utility model provides a kind of battery core pole piece group fixed mount and has the battery of this battery core pole piece group fixed mount.Described battery core pole piece group fixed mount can ensure that fastened battery core pole piece can not misplace in the process of production and assembly.The battery with described battery core pole piece group fixed mount can keep inner battery core pole piece group to be in impaction state, prevents battery core pole piece spacing from increasing, and reduces the internal resistance of cell, can prevent battery container deformed dilation again, obtains excellent battery performance.In addition, the utility model also improves battery assembly precision and production efficiency, ensure that the conformity of production of battery, and then obtains the electrokinetic cell in groups of excellent quality, high performance-price ratio.Can also ensure that the electrokinetic cell of different cultivars possesses efficient packaging technology and excellent chemical property.
Technical solutions of the utility model are as follows:
A kind of battery core pole piece group fixed mount, described battery core pole piece group fixed mount comprises base plate and upper cover, it is characterized in that, described base plate lower surface and described upper cover upper surface are provided with flexure strip; The upper surface of described base plate lower surface and described upper cover is also provided with reinforcement, as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 6 and Fig. 7.Described battery core pole piece group fixed mount ensures that described battery core pole piece group is clamped by suitable external force, and make described battery core pole piece group fixed mount carry out battery enter shell operation and lug attended operation time, fastened described battery core pole piece group can not misplace.
The some described flexure strip that described upper cover upper surface and floor lower surface are arranged, is between described fixed mount outer surface and described battery case inner surface, by elasticity swelling, to ensure relatively fixing in described battery container of described battery core pole piece group fixed mount.Described flexure strip also has certain compression surplus under the prerequisite keeping the swelling of described battery core pole piece group fixed mount, like this in battery charge and discharge process, can eliminate because the battery core internal electrode material lattice described battery core pole piece group caused of stretching expands, thus described battery core pole piece group can be kept to be in impaction state, prevent pole piece spacing from increasing, reduce the internal resistance of cell, battery case swells can be prevented again to be out of shape, thus obtain satisfied battery performance.
Preferably, the lower surface of described base plate is also provided with base plate shrinkage pool, as shown in figure 13.Described base plate shrinkage pool can coordinate with the projection on assembly operation mechanical stage, for locating described base plate position.
Preferably, described upper cover is also provided with crawl jack, as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 7.Described crawl jack is used for grasping for assembly operation manipulator, plate on manipulator directly inserts in the described crawl jack of described upper cover from feed bin, can precise positioning when described upper cover is connected with described base plate, there is high connection precision and efficiency.Preferably, described crawl jack can be oat tail groove structure.
Described base plate and the connected mode of described upper cover can be that hasp is connected (see Fig. 1, Fig. 2, Fig. 6 and Fig. 7), also can be that external clip device connects (see Fig. 8, Fig. 9, Figure 10, Figure 11 and Figure 12).
When described base plate is connected by hasp with described upper cover, described base plate edge is provided with hasp lockhole, can with described on the hasp that covers link up with and be closely engaged, described hasp hook enters auto lock after described hasp lockhole, ensure that described battery core pole piece group is clamped by suitable external force, at this moment can in any direction on pick up described battery core pole piece group fixed mount and carry out battery and enter shell and lug attended operation, fastened pole piece can not misplace.If battery core pole piece group short circuit under special circumstances, connecting between described upper cover and described base plate can be removed by particular tool, ensure that described battery core pole piece group and described battery core pole piece group fixed mount can be reused.
Preferably, described upper cover is provided with through hole.The shape of described through hole can be circular, square, polygon or other shapes, as shown in Fig. 1, Fig. 7, Fig. 8 and Figure 12.According to the requirement of the stressed and electrolyte infiltrating time of described battery core pole piece group, the through hole designing difformity and varying number can be covered on described.
The lug outlet of described upper cover both can be arranged on homonymy, also can be arranged on heteropleural, as shown in Fig. 1, Fig. 7, Fig. 8 and Figure 12.Battery can draw positive pole and negative lug in side simultaneously, also can draw positive pole and negative lug respectively from the both sides of correspondence.
The material of described base plate and described upper cover can be metal material, and described metal material is aluminium, aluminium alloy, stainless steel, nickel.The material of described base plate and described upper cover also can be nonmetallic materials, and described nonmetallic materials are polypropylene, polyethylene, polytetrafluoroethylene, ethylene-vinyl acetate copolymer, glass fiber reinforced polypropylene, powder RPP.According to the capacity of battery, weight and dimensional requirement, the metal material of varying strength or nonmetallic materials can be selected to prepare described battery core pole piece group fixed mount.
Have a battery for battery core pole piece group fixed mount, comprise battery core pole piece group, battery case, it is characterized in that, described battery also comprises aforementioned battery core pole piece group fixed mount.
Preferably, the thickness >=20mm of described battery core pole piece group.
Technical solutions of the utility model, inside battery battery core pole piece group not only can be kept to be in impaction state, prevent battery core pole piece group in the process of production and assembly, the dislocation of battery core pole piece and spacing increase, reduce the internal resistance of cell, and can eliminate because the stretch battery core pole piece group that causes of inside battery electrode material lattice expands, prevent battery case swells be out of shape, therefore can ensure that battery has the chemical property of excellence.In addition, the utility model also can ensure that the battery of different cultivars possesses efficient packaging technology and conformity of production, improves assembly precision and the production efficiency of battery, reduces manufacturing cost.
Accompanying drawing explanation
Fig. 1 is the battery core pole piece group fixed rack structure schematic diagram of embodiment 1;
Fig. 2 is the axonometric drawing that the battery core pole piece group fixed mount base plate of embodiment 1 and upper cover assemble;
Fig. 3 is that the battery core pole piece group fixed mount of embodiment 1 and battery core pole piece assemble the axonometric drawing of joining;
Fig. 4 is the vertical view that the battery core pole piece group fixed mount base plate of embodiment 1 coordinates with upper cover;
Fig. 5 is A--A profile in Fig. 4;
Fig. 6 is the structural representation of the base plate lower surface of embodiment 1;
Fig. 7 is the structural representation of the upper cover of embodiment 1;
Fig. 8 is that the battery core pole piece group fixed mount of embodiment 2 and battery core pole piece assemble the axonometric drawing of joining;
Fig. 9 is the structural representation of the base plate lower surface of embodiment 2;
Figure 10 is the structural representation of the plate upper surface of embodiment 2;
Figure 11 is the structural representation of the external clip device of embodiment 2;
Figure 12 is the axonometric drawing of the upper cover of embodiment 2;
Figure 13 is the vertical view of the upper cover of embodiment 2;
Figure 14 is the installation diagram of the battery of embodiment 3;
Wherein, description of reference numerals is as follows:
10 battery core pole piece group fixed mounts
11 upper cover 12 base plate 13 battery core pole piece groups
14 flexure strip 15 reinforcement 16 external clip device
111 capture jack 112 hasp links up with 113 through holes
114 upper cover clamping step 115 lug outlet 121 hasp lockholes
122 base plate shrinkage pool 123 base plate clamping step 20 battery cases
Embodiment
Embodiment 1
Fig. 1 ~ Fig. 7 gives the embodiment of a battery core pole piece group fixed mount.
As shown in Fig. 1 ~ Fig. 7, this routine battery core pole piece group fixed mount 10 comprises upper cover 11 and base plate 12, and the upper surface of upper cover 11 and the lower surface of base plate 12 are provided with flexure strip 14 and reinforcement 15.Upper cover 11 is provided with and captures jack 111 and through hole 113.
In this example, described crawl jack 111 is oat tail groove structure, as shown in Fig. 2, Fig. 3 and Fig. 7.
In this example, the lug outlet 115 of upper cover 11 is arranged on homonymy, as shown in Figure 3.
In this example, upper cover 11 and the connected mode of base plate 12 are that hasp is connected, and upper cover 11 are provided with the hasp matched with the hasp lockhole 121 of base plate 12 and link up with 112.Base plate 12 edge is provided with hasp lockhole 121,112 can be linked up with the hasp on upper cover 11 to be closely engaged, hasp hook 112 enters the rear auto lock of hasp lockhole 121 of base plate 12, ensure that battery core pole piece group 13 is clamped by suitable external force, at this moment can in any direction on pick up battery core pole piece group fixed mount 10 carry out battery enter shell operation and lug attended operation, fastened pole piece can not misplace.As shown in Fig. 2, Fig. 3, Fig. 5, Fig. 6 and Fig. 7.
In this example, the through hole 113 of upper cover 11 is rectangle, as shown in Figure 7.
In this example, the shape of the reinforcement 15 of the lower surface setting of base plate 12 is star, as shown in Figure 6.
In this example, the preparation material of upper cover 11 and base plate 12 is aluminum alloy materials.
Technical solutions of the utility model, inside battery battery core pole piece group not only can be kept to be in impaction state, prevent battery core pole piece group in the process of production and assembly, the dislocation of battery core pole piece and spacing increase, reduce the internal resistance of cell, and can eliminate because the stretch battery core pole piece group that causes of inside battery electrode material lattice expands, prevent battery container deformed dilation, therefore can ensure that battery has excellent chemical property.In addition, the utility model also can ensure that the battery of different cultivars possesses efficient packaging technology and conformity of production, improves assembly precision and the production efficiency of battery, reduces manufacturing cost.
Embodiment 2
Fig. 8 ~ Figure 13 gives the embodiment of another battery core pole piece group fixed mount.
This example is with the difference of embodiment 1:
In this example, the lug outlet 115 of upper cover 11 is arranged on heteropleural, as shown in Figure 8 and Figure 11.
In this example, upper cover 11 and the connected mode of base plate 12 are that external clip device is connected, upper cover 11 is provided with is convenient to the upper cover clamping step 114 that external clip device 16 clamps connection, base plate 12 is provided with is convenient to the base plate clamping step 123 that external clip device 16 clamps connection, as shown in Figure 10, Figure 11 and Figure 12.
In this example, the through hole 113 of upper cover 11 is circular, as shown in figs. 8 and 12.
In this example, base plate 12 lower surface is provided with base plate shrinkage pool 122, as shown in Fig. 9, Figure 13.
In this example, the shape of the reinforcement 15 of base plate 12 is groined type, as shown in Figure 9.
In this example, the preparation material of upper cover 11 and base plate 12 is glass fiber reinforced polypropylene material.
Technical solutions of the utility model, inside battery battery core pole piece group not only can be kept to be in impaction state, prevent battery core pole piece group in the process of production and assembly, the dislocation of battery core pole piece and spacing increase, reduce the internal resistance of cell, and can eliminate because the stretch battery core pole piece group that causes of inside battery electrode material lattice expands, prevent battery case swells be out of shape, therefore can ensure that battery has the chemical property of excellence.In addition, the utility model also can ensure that the battery of different cultivars possesses efficient packaging technology and conformity of production, improves assembly precision and the production efficiency of battery, reduces manufacturing cost.
Embodiment 3
Figure 14 gives the embodiment that has the battery of described battery core pole piece group fixed mount.
This routine battery battery core pole piece group 13, battery case 20, this routine battery also has the group of battery core pole piece described in embodiment 1 fixed mount.
In this example, the thickness of battery core pole piece group 13 is 80mm.
Technical solutions of the utility model, inside battery battery core pole piece group not only can be kept to be in impaction state, prevent battery core pole piece group in the process of production and assembly, the dislocation of battery core pole piece and spacing increase, reduce the internal resistance of cell, and can eliminate because the stretch battery core pole piece group that causes of inside battery electrode material lattice expands, prevent battery case swells be out of shape, therefore can ensure that battery has the chemical property of excellence.In addition, the utility model also can ensure that the battery of different cultivars possesses efficient packaging technology and conformity of production, improves assembly precision and the production efficiency of battery, reduces manufacturing cost.

Claims (10)

1. a battery core pole piece group fixed mount, is characterized in that, described battery core pole piece group fixed mount comprises base plate and upper cover; Described upper cover upper surface is provided with flexure strip; Described base plate lower surface is provided with flexure strip; Described upper cover upper surface is also provided with reinforcement; Described base plate lower surface is also provided with reinforcement.
2. battery core pole piece group fixed mount according to claim 1, it is characterized in that, described upper cover is also provided with crawl jack.
3. battery core pole piece group fixed mount according to claim 1, it is characterized in that, the lower surface of described base plate is also provided with base plate shrinkage pool.
4. battery core pole piece group fixed mount according to claim 1, is characterized in that, described base plate and the connected mode of described upper cover are that hasp is connected.
5. battery core pole piece group fixed mount according to claim 1, is characterized in that, described base plate and the connected mode of described upper cover are that external clip device is connected.
6. battery core pole piece group fixed mount according to claim 1, it is characterized in that, described upper cover is provided with through hole.
7. battery core pole piece group fixed mount according to claim 1, it is characterized in that, the lug outlet of described upper cover is arranged on homonymy.
8. battery core pole piece group fixed mount according to claim 1, it is characterized in that, the lug outlet of described upper cover is arranged on heteropleural.
9. have a battery for battery core pole piece group fixed mount, comprise battery core pole piece group and battery case, it is characterized in that, described battery has any one of claim 1 ~ 6 or its battery core pole piece group fixed mount described in combination.
10. battery according to claim 9, is characterized in that, the thickness >=20mm of described battery core pole piece group.
CN201420802741.7U 2014-12-17 2014-12-17 A kind of battery core pole piece group fixed mount and there is the battery of this battery core pole piece group fixed mount Active CN204289564U (en)

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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105762308A (en) * 2014-12-17 2016-07-13 北京普莱德新能源电池科技有限公司 Rack for fixing electrical core pole piece set and battery with rack for fixing electrical core pole piece set
CN106469797A (en) * 2015-08-17 2017-03-01 三星Sdi株式会社 Has standoff battery module
CN109786664A (en) * 2019-02-01 2019-05-21 江苏烨晨智能科技有限公司 A kind of battery pole piece bracket
CN114094270A (en) * 2020-07-29 2022-02-25 郑州深澜动力科技有限公司 Battery module and sampling connection harness thereof
EP4029079A4 (en) * 2020-03-04 2023-10-18 Damon Motors Inc. Cell holder with intermediate tray

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105762308A (en) * 2014-12-17 2016-07-13 北京普莱德新能源电池科技有限公司 Rack for fixing electrical core pole piece set and battery with rack for fixing electrical core pole piece set
CN106469797A (en) * 2015-08-17 2017-03-01 三星Sdi株式会社 Has standoff battery module
CN106469797B (en) * 2015-08-17 2021-06-08 三星Sdi株式会社 Battery module with support
CN109786664A (en) * 2019-02-01 2019-05-21 江苏烨晨智能科技有限公司 A kind of battery pole piece bracket
EP4029079A4 (en) * 2020-03-04 2023-10-18 Damon Motors Inc. Cell holder with intermediate tray
CN114094270A (en) * 2020-07-29 2022-02-25 郑州深澜动力科技有限公司 Battery module and sampling connection harness thereof

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