CN210200839U - End plate, battery module and battery package - Google Patents
End plate, battery module and battery package Download PDFInfo
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- CN210200839U CN210200839U CN201921652536.6U CN201921652536U CN210200839U CN 210200839 U CN210200839 U CN 210200839U CN 201921652536 U CN201921652536 U CN 201921652536U CN 210200839 U CN210200839 U CN 210200839U
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- electric core
- end plate
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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 utility model relates to a power battery wraps technical field, provides an end plate, battery module and battery package. The end plate be used for setting up between the cell group, the end plate package rubbing board body, the both sides face of plate body is equipped with a plurality of draw-in grooves that are used for blocking the ribbon respectively, every the draw-in groove sets up to following the length direction of plate body extends, is located the both sides face the draw-in groove is followed the crisscross setting of direction of height of plate body. The utility model discloses an end plate is provided with the draw-in groove that can hold the ribbon through the mistake in its both sides face along the direction of height for when a plurality of electric core groups pile up, utilize the ribbon to realize crisscross tying up to the electric core group that lies in the end plate both sides, pile up under the longer condition of length at the electric core group from this, it is better firm to tie up the effect, the electric core of avoiding lieing in end plate department sinks, and then ensure the electric core group transportation, the stability of transmission process, it is good to guarantee module bottom plane degree, the corresponding post plane degree after making the electric core pile up simultaneously is good.
Description
Technical Field
The utility model relates to a power battery wraps technical field, in particular to end plate, battery module and battery package.
Background
With the national vigorous popularization of new energy fields, electric vehicles have become the mainstream trend in the future, and the most central power supply component in the electric vehicles is a power battery pack. The module design of current power battery package is categorised according to different electric core forms, divide into cylinder electric core module, square electric core module, soft-packaged electric core module.
However, the conventional module has many parts, and the requirement of cost reduction cannot be met in terms of grouping efficiency and energy density, so the module form of the commercial bus is gradually applied to the passenger car. Among them, the ribbon bundling module is the most mature case.
The ribbon module is applied to the lithium iron battery and is firstly used on a bus. When the ribbon module is applied to the ternary battery, the expansion force of the ternary battery and the grouping requirement are considered, and how to ensure the cycle life, the structural stability and the process assembly of the ternary battery is a key problem to be considered when the ribbon module is applied to the ternary battery. Two ribbons of mainly through the module frame among the prior art are tied up, and module rigidity is relatively poor, and module deformation is serious during hoist and mount, poor stability, and module bottom plane degree is difficult to guarantee.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an end plate, battery module and battery package that can guarantee the stability of electric core group transportation, transmission process.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model provides an end plate, the end plate is used for setting up between the electric core group, the end plate package rubbing board body, the both sides face of plate body is equipped with a plurality of draw-in grooves that are used for blocking the ribbon respectively, every the draw-in groove sets up to following the length direction of plate body extends, is located the both sides face the draw-in groove is followed the direction of height of plate body is crisscross to be set up.
Optionally, the two side surfaces of the end plate are provided with the clamping grooves which are concave towards each other along the plane of the plate body.
Optionally, a baffle plate extending towards the clamping groove along the plane of the plate body is arranged on the plate body, and an opening with a width smaller than the width of the clamping groove is defined between the baffle plate and the clamping groove.
The utility model discloses the second aspect provides a battery module, include a plurality of electric core groups, be located the above-mentioned arbitrary scheme between two adjacent electric core group tip the end plate and be used for binding the end plate with the ribbon of electric core group, on the end plate ribbon quantity set up into with draw-in groove quantity is corresponding on the end plate, the ribbon sets up to following the crisscross setting of direction of height is used for binding respectively and is located the end plate both sides the electric core group, wherein, be used for binding and is located end plate one side the electric core group the ribbon joint in the end plate opposite side in the draw-in groove.
Optionally, the battery module include with end plate parallel arrangement just is located respectively the location end plate at electric core group outside both ends, the location end plate deviate from the one side correspondence of electric core group is equipped with the draw-in groove that is used for the card to establish the ribbon.
Optionally, a plurality of the electric core groups are arranged along the length direction of the electric core groups in sequence, the binding tapes are arranged to bind the electric core groups and the end plates positioned at two sides of the electric core groups, and the binding tapes on the electric core groups are arranged in a staggered manner in the height direction.
Optionally, the end plate is provided with a mounting hole extending along the height direction of the plate body inside the plate body, and the cross section of the mounting hole is in the shape of an oblong hole.
Optionally, two adjacent electric core group tops link to each other through the busbar, the cover is equipped with the insulating layer on the busbar, the busbar is formed with and is used for dodging the breach of mounting hole.
Optionally, the electric core groups on two sides of the end plate are arranged in sequence along the width direction of the electric core groups, and the length of the end plate is arranged to match with the total length of the end parts of the electric core groups on two sides of the end plate.
The third aspect of the present invention provides a battery pack, including any of the above-described aspects of the present invention.
Compared with the prior art, the end plate has the following advantages:
the utility model discloses an end plate is provided with the draw-in groove that can hold the ribbon through the mistake in its both sides face along the direction of height, when making a plurality of electric core groups pile up, utilize the ribbon to realize crisscross tying up to the electric core group that lies in the end plate both sides, pile up under the longer condition of length at the electric core group from this, it is more firm to tie up the effect, the electric core of avoiding lieing in end plate department sinks, and then ensure the electric core group transportation, the stability of transmission process, the yield of product is improved, guarantee that module bottom plane degree is good, it is good correspondingly to make electric core pile up back utmost point post plane degree simultaneously, thereby make the welding process of busbar obtain guaranteeing.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural view of an end plate according to an embodiment of the present invention;
FIG. 2 is a side view of the end plate of FIG. 1;
fig. 3 is a schematic structural diagram of a battery module according to an embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3;
FIG. 5 is a schematic view of the strap of FIG. 3 in a binding state;
fig. 6 is a schematic structural view of a battery module with an upper cover according to the present invention.
Description of reference numerals:
1-electric core group, 2-plate body, 3-ribbon, 4-draw-in groove, 5-mounting hole, 6-baffle, 7-opening, 8-location end plate, 9-busbar, 10-insulating layer, 11-breach.
Detailed Description
In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.
With reference to fig. 1-2, according to the utility model discloses an aspect provides an end plate, the end plate is used for setting up between electric core group 1, the end plate includes plate body 2, the both sides face of plate body 2 is equipped with a plurality of draw-in grooves 4 that are used for blocking ribbon 3 respectively, every draw-in groove 4 sets up to following the length direction of plate body 2 extends, is located the both sides face draw-in groove 4 is followed the crisscross setting of direction of height of plate body 2.
The utility model discloses an end plate is provided with the draw-in groove that can hold the ribbon through the mistake in its both sides face along the direction of height for when a plurality of electric core groups pile up, utilize a plurality of ribbons can realize crisscross tying up to the electric core group that lies in the end plate both sides, will improve the rigidity of binding back electric core group through the location of end plate, and the crisscross mode of tying up will further improve holistic stability. Wherein, the length of plate body 2 can set up to the width looks adaptation with the electric core group 1 of both sides, for example, when the end plate both sides are equipped with an electric core group 1 respectively, the length of plate body 2 sets up to the width phase-match with an electric core group 1, when the end plate both sides are equipped with two electric core groups 1 respectively, the length of plate body 2 then sets up to the width phase-match with two electric core groups 1, thereby be convenient for tying up of ribbon 3, make ribbon 3 tie up the in-process can with electric core group 1 and end plate fully contact, avoid tying up the in-process and produce the clearance, lead to tying up insecurely.
Particularly, tie up the in-process, 3 cards of ribbon for tying up the electric core group 1 that is located plate body 2 one side are established in the draw-in groove 4 that is located plate body 2 another side, utilize draw-in groove 4 to fix a position ribbon 3, it is corresponding with draw-in groove 4 to tie up ribbon 3 of in-process, the crisscross setting of direction of height of plate body 2 is followed equally, thereby tie up electric core group 1 that is located the end plate both sides together, from this under the longer condition of electric core group pile-up length, it is better firm to tie up the effect, avoid being located the electric core of end plate department and sinking, and then ensure the electric core group transportation, the stability of transmission process, the yield of product is improved, and then guarantee that module bottom plane degree is good, simultaneously corresponding messenger's electric core piles up back utmost point post plane degree good, thereby make the.
It should be noted that, the two side faces of the end plate, the clamping grooves 4 are arranged to be recessed towards each other along the plane of the plate body 2, so as to form a space for accommodating the binding band 3, and prevent the electric core pack of the binding band 3 from moving up and down in the transportation or transmission process.
Further, as shown in fig. 2, a baffle 6 extending towards the slot 4 along the plane of the plate body 2 is disposed on the plate body 2, and an opening 7 having a width smaller than that of the slot 4 is defined between the baffle 6 and the slot 4. It is noted that the width of the slot 4 is arranged to match the width of the band 3, while the width of the opening 7 is arranged to be smaller than the width of the band 3. The binding belt 3 has elasticity, so that the binding belt 3 extends into the clamping groove 4 from the opening 7 and is clamped in the clamping groove 4 in the binding process, the binding belt 3 can be further limited through the design of the baffle 6, the baffle 6 is matched with the clamping groove 4, the binding belt 3 is effectively ensured to be always positioned in the clamping groove 4, and the binding effect is ensured; in addition, the baffle 6 can also relatively increase the contact area between the end plate and the electric core assembly 1, so that the bundling is more firm, and the electric core assembly 1 is prevented from sinking in the transportation process.
With reference to fig. 3-6, the second aspect of the present invention provides a battery module, including a plurality of electric core groups 1, be located the above-mentioned arbitrary scheme between two adjacent electric core group 1 tip the end plate and be used for binding the end plate with electric core group 1 ribbon 3, on the end plate ribbon 3 quantity set up to with draw-in groove 4 quantity on the end plate is corresponding, ribbon 3 sets up to follow the crisscross setting of direction of height is used for binding respectively to be located the end plate both sides electric core group 1, wherein, be used for binding to be located end plate one side electric core group 1 ribbon 3 joint in the end plate opposite side in draw-in groove 4.
Through the design of end plate, can be divided into two parts with battery module, improve holistic installation intensity. In addition, this battery module is through adopting above-mentioned end plate, it will be convenient for cooperate with ribbon 3 and bind in turn to electric core group 1 realization, the stability and the rigidity of module are improved, simultaneously will further strengthen the effect of binding to the electric core group 1 that is located the end plate both sides through the 4 designs of draw-in groove of end plate, avoid ribbon 3 to tighten the back and reciprocate, guarantee that the module tightens up the atress at a horizontal plane, pile up under the longer condition of length at the electric core group from this, avoid the electric core group 1 of end plate department to appear sunken problem in the transportation removal process, make tying up of whole module better firm.
For conveniently tying up, the battery module include with end plate parallel arrangement just is located respectively the location end plate 8 at electric core group outside both ends, the location end plate 8 deviate from the one side correspondence of electric core group 1 is equipped with the draw-in groove 4 that is used for the card to establish ribbon 3.
It should be noted that, the positioning end plate 8 is different from the end plate, the positioning end plate 8 is located at the end of the electric core assembly 1, only one side is provided with the electric core assembly 1, and the end plate is located between the electric core assemblies 1 at two sides, correspondingly, only one side of the positioning end plate 8 is provided with the above-mentioned clamping groove 4, and the two side faces of the end plate are provided with the clamping grooves 4. The design of the positioning end plate 8 is mainly for matching with the end plate, so that the binding tapes 3 can be conveniently positioned from two sides of the electric core group 1, and the binding tapes 3 can firmly bind the electric core group 1, and the specific binding mode is shown in fig. 5.
The utility model discloses in the condition that is two electric core groups 1 that fig. 2 and 5 show, when electric core group 1 quantity increases, as one of them embodiment, a plurality of electric core group 1 sets up to follow 1 length direction of electric core group arranges in proper order, to the electric core group 1 of mid portion, the ribbon sets up to binding electric core group 1 with be located 1 both sides of electric core group the end plate is adjacent on electric core group 1 ribbon 3 is followed the setting of staggering in the direction of height. And the electric core groups 1 at the two ends of the outermost side are bound together with the end plates and the positioning end plates 8 at the two ends of the electric core groups through the binding belts 3.
Further, in order to facilitate installation between the battery module and the lower housing, the end plate is provided with a mounting hole 5 extending along the height direction of the plate body 2 inside the plate body 2, and the cross section of the mounting hole 5 is in the shape of an oblong hole. Because there may be the uneven problem that has or piles up the back length deviation in thickness in end plate both sides electricity core, consequently bind the completion back, can lead to the end plate and down the location installation between the casing to have the error for it is fixed between 5 unable and the locating hole on the casing down of mounting hole that set up in advance. And the utility model discloses a set up mounting hole 5 and can solve above-mentioned problem well into the slotted hole shape, the slotted hole can be overcome and compensate above-mentioned error for positioning bolt can carry out position adjustment in the slotted hole and fix after passing the slotted hole between the locating hole of casing down, improves the suitability and the commonality in the installation.
In addition, two adjacent electric core group 1 tops are passed through busbar 9 and are linked to each other, the cover is equipped with insulating layer 10 on the busbar 9, busbar 9 is formed with and is used for dodging notch 11 of mounting hole 5. Particularly, the busbar 9 strides across the end plate and links to each other with the electric core group 1 of both sides, and the middle part can form breach 11 in order to dodge the installation of positioning bolt in the mounting hole 5, and the insulating layer then plays insulating protective effect, causes the problem of short circuit when avoiding the module installation.
Further, when a plurality of the electric core groups 1 located at both sides of the end plate are arranged in sequence along the width direction of the electric core group 1, that is, both sides of the end plate correspond to more than one electric core group 1, respectively, the length of the end plate is arranged to match the total length of the end portions of the plurality of electric core groups 1 located at both sides of the end plate.
Particularly, when an end plate side corresponds the tip of a plurality of electric core groups 1, end plate length sets up to the total length looks adaptation with the tip of a plurality of electric core groups 1, correspondingly, the total length of the end plate of a plurality of electric core groups 1 opposite side or location end plate 8 also rather than the looks adaptation, therefore, usable ribbon 3 bundles above-mentioned a plurality of electric core groups 1 rather than the end plate of both sides or location end plate 8 and be in the same place, a plurality of electric core groups 1 that are located the other side of end plate also utilize ribbon 3 to bind together, 3 along the crisscross setting of end plate direction of height of edge of both sides, and then can realize the firm of a plurality of electric core groups 1 and tie up, improve the firm nature of battery module.
The third aspect of the present invention provides a battery pack, including any of the above-described aspects of the present invention. The battery pack has all the advantages of the battery module by adopting the battery module. Replace traditional module through adopting the ribbon module, can show reduction in production cost, in addition, this ribbon module passes through end plate and the crisscross draw-in groove 4 design of both sides face, can utilize the ribbon to realize binding in turn between 1 and the end plate to the electric core group, avoid being located the electric core of end plate department and sink, and then ensure the transportation of electric core group, the stability of transmission process, the yield of product is improved, guarantee that module bottom plane degree is good, simultaneously corresponding messenger's electric core stacks the back utmost point post plane degree good, thereby make the welding process of busbar obtain guaranteeing.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an end plate, its characterized in that, the end plate is used for setting up between electric core group (1), the end plate includes plate body (2), the both sides face of plate body (2) is equipped with a plurality of draw-in grooves (4) that are used for blocking ribbon (3) respectively, every draw-in groove (4) set up to follow the length direction of plate body (2) extends, is located the both sides face draw-in groove (4) are followed the direction of height of plate body (2) sets up in a staggered way.
2. End plate according to claim 1, characterized in that the clamping grooves (4) on both sides of the end plate are arranged concave towards each other in the plane of the plate body (2).
3. The end plate according to claim 1, characterized in that the plate body (2) is provided with a baffle plate (6) extending along the plane of the plate body (2) towards the slot (4), the baffle plate (6) and the slot (4) defining an opening (7) therebetween having a width smaller than the width of the slot (4).
4. A battery module, characterized in that, include a plurality of electric core group (1), be located between two adjacent electric core group (1) tip claims 1-3 the end plate and be used for binding the end plate with ribbon (3) of electric core group (1), ribbon (3) quantity on the end plate set up to with draw-in groove (4) quantity on the end plate is corresponding, ribbon (3) set up to follow the crisscross setting of direction of height is used for binding respectively to be located the end plate both sides electric core group (1), wherein, be used for binding to be located end plate one side ribbon (3) of electric core group (1) joint in the end plate opposite side in draw-in groove (4).
5. The battery module according to claim 4, wherein the battery module comprises positioning end plates (8) which are arranged in parallel with the end plates and are respectively positioned at two outermost ends of the electric core group, and a clamping groove (4) for clamping the binding belt (3) is correspondingly arranged on one surface of each positioning end plate (8) which is far away from the electric core group (1).
6. The battery module according to claim 4, wherein a plurality of the electric core groups (1) are arranged in sequence along the length direction of the electric core groups (1), the binding tapes are arranged to bind the electric core groups (1) and the end plates positioned at both sides of the electric core groups (1), and the binding tapes (3) on the adjacent electric core groups (1) are arranged in a staggered manner along the height direction.
7. The battery module according to claim 6, wherein the plate body (2) of the end plate is provided with a mounting hole (5) extending in the height direction of the plate body (2) inside, and the cross section of the mounting hole (5) is provided in the shape of an oblong hole.
8. The battery module according to claim 7, wherein the tops of two adjacent electric core groups (1) are connected through a bus bar (9), an insulating layer (10) is sleeved on the bus bar (9), and a notch (11) for avoiding the mounting hole (5) is formed in the bus bar (9).
9. The battery module according to claim 4, wherein the plurality of the electric core groups (1) positioned at both sides of the end plate are arranged in sequence along the width direction of the electric core groups (1), and the length of the end plate is arranged to match the total length of the ends of the plurality of the electric core groups (1) positioned at both sides of the end plate.
10. A battery pack comprising the battery module according to any one of claims 4 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921652536.6U CN210200839U (en) | 2019-09-29 | 2019-09-29 | End plate, battery module and battery package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921652536.6U CN210200839U (en) | 2019-09-29 | 2019-09-29 | End plate, battery module and battery package |
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| Publication Number | Publication Date |
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| CN210200839U true CN210200839U (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921652536.6U Active CN210200839U (en) | 2019-09-29 | 2019-09-29 | End plate, battery module and battery package |
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| CN (1) | CN210200839U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111916811A (en) * | 2020-07-21 | 2020-11-10 | 柳州市智甲金属科技有限公司 | Battery core installation method and integrated battery pack |
| WO2021052005A1 (en) * | 2019-09-20 | 2021-03-25 | 宁德时代新能源科技股份有限公司 | Battery module, battery pack and vehicle |
| WO2022021884A1 (en) * | 2020-07-28 | 2022-02-03 | 厦门海辰新能源科技有限公司 | Battery module fixing assembly and battery pack |
| WO2023216384A1 (en) * | 2022-05-10 | 2023-11-16 | 宁德时代新能源科技股份有限公司 | Battery and electric device |
-
2019
- 2019-09-29 CN CN201921652536.6U patent/CN210200839U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021052005A1 (en) * | 2019-09-20 | 2021-03-25 | 宁德时代新能源科技股份有限公司 | Battery module, battery pack and vehicle |
| US11811083B2 (en) | 2019-09-20 | 2023-11-07 | Contemporary Amperex Technology Co., Limited | Battery module, battery pack and vehicle |
| CN111916811A (en) * | 2020-07-21 | 2020-11-10 | 柳州市智甲金属科技有限公司 | Battery core installation method and integrated battery pack |
| WO2022021884A1 (en) * | 2020-07-28 | 2022-02-03 | 厦门海辰新能源科技有限公司 | Battery module fixing assembly and battery pack |
| US11894569B2 (en) | 2020-07-28 | 2024-02-06 | Shenzhen Hithium Energy Storage Technology Co., Ltd. | Fixing assembly for battery module and battery pack |
| WO2023216384A1 (en) * | 2022-05-10 | 2023-11-16 | 宁德时代新能源科技股份有限公司 | Battery and electric device |
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