CN209016139U - A kind of battery modules end plate and its battery modules - Google Patents

A kind of battery modules end plate and its battery modules Download PDF

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Publication number
CN209016139U
CN209016139U CN201821946759.9U CN201821946759U CN209016139U CN 209016139 U CN209016139 U CN 209016139U CN 201821946759 U CN201821946759 U CN 201821946759U CN 209016139 U CN209016139 U CN 209016139U
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China
Prior art keywords
battery modules
end plate
modules end
wall
lug boss
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CN201821946759.9U
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Chinese (zh)
Inventor
游书兵
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Contemporary Amperex Technology Co Ltd
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Contemporary Amperex Technology Co Ltd
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Priority to CN201821946759.9U priority Critical patent/CN209016139U/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 relates to a kind of battery modules end plates, wherein: the battery modules end plate has energy-absorbing area, lug boss is provided in the energy-absorbing area, the boss is arranged fluted between the inside of the battery modules end plate, the lug boss and the inner wall of the battery modules end plate.It is different from the prior art, when battery modules end plate is by expansive force, lug boss preferentially deforms the lug boss of the utility model;Also, the groove between lug boss and the inner wall of battery modules end plate can effectively decompose expansive force.The expansive force of battery cell can be absorbed in the battery modules end plate, effectively reduces the deformation displacement of battery modules end plate, reduces other security risks generated by the deformation of battery modules end plate.

Description

A kind of battery modules end plate and its battery modules
Technical field
The utility model relates to field of batteries, in particular to a kind of battery modules end plate and its battery modules.
Background technique
The shell of battery modules is one of core component of battery modules, and the inside of the shell is formed for accommodating battery list The space of body.The shell of traditional battery modules mainly includes a pair of side plates, a pair of end plate, bottom plate and top plate, end plate and side plate By welding, being screwed etc., modes are fixedly mounted.
In the prior art, in use, the intracorporal battery cell of shell applies expansive force to shell to battery modules, causes End plate deforms displacement, and then causes the Joint failure between side plate and end plate, influences the normal use of battery modules.
Utility model content
For this reason, it may be necessary to provide a kind of battery modules end plate, the technical issues of for solving the prior art.
To achieve the above object, a kind of battery modules end plate is inventor provided, in which:
The battery modules end plate has energy-absorbing area, is provided with lug boss in the energy-absorbing area, the boss is in institute The inside of battery modules end plate is stated,
It is arranged between the lug boss and the inner wall of the battery modules end plate fluted.
As a kind of preferred structure of the utility model, more than two lug bosses are provided in the energy-absorbing area, The groove is provided between two lug bosses.
As a kind of preferred structure of the utility model, it is arranged between the groove and the inner wall of the battery modules end plate There is interconnecting piece, the interconnecting piece is arranged in parallel in the inner wall of the battery modules end plate.
As a kind of preferred structure of the utility model, the groove is from top to bottom provided with more than two through-holes.
As a kind of preferred structure of the utility model, the cross sectional shape of the through-hole is rectangle, circle, kidney-shaped, wherein Any one is combined.
As a kind of preferred structure of the utility model, it is between the outer wall and the lug boss of the battery modules end plate Cavity structure.
As a kind of preferred structure of the utility model, set between the outer wall and the lug boss of the battery modules end plate It is equipped with dowel.
As a kind of preferred structure of the utility model, the dowel is set to the groove and the battery modules end Between the outer wall of plate.
As a kind of preferred structure of the utility model, set between the outer wall and the lug boss of the battery modules end plate It is equipped with more than two reinforcing ribs, the cross sectional shape of the reinforcing rib is wedge font, and two wedge font reinforcing ribs are towards phase negative side To.
It is different from the prior art, above-mentioned technical proposal has energy-absorbing area, the energy-absorbing Qu Shangshe by battery modules end plate It is equipped with lug boss, the boss is in the inside of the battery modules end plate, the lug boss and the battery modules end plate Inner wall between be arranged it is fluted.In this way, lug boss is when battery modules end plate is by expansive force, lug boss is preferentially deformed;And And the groove between lug boss and the inner wall of battery modules end plate, it can effectively decompose expansive force.The battery modules end plate can be inhaled The expansive force for receiving battery cell effectively reduces the deformation displacement of battery modules end plate, reduces due to the deformation of battery modules end plate Other security risks generated.
To achieve the above object, inventor additionally provides a kind of battery modules, including battery cell and foregoing invention people Battery modules end plate described in any one of offer, the battery modules end plate are set to the orientation of the battery cell Both ends.
It is different from the prior art, above-mentioned technical proposal passes through lug boss when battery modules end plate is by expansive force, protrusion Portion preferentially deforms;Also, the groove between lug boss and the inner wall of battery modules end plate can effectively decompose expansive force.Battery mould The expansive force of battery cell can be absorbed in group, effectively reduces the deformation displacement of the battery modules end plate, reduces because of the battery The deformation of mould group end plate and other security risks generated.
Detailed description of the invention
Fig. 1 is the three dimensional structure diagram of battery modules described in the first embodiment;
Fig. 2 is the three dimensional structure diagram of battery modules end plate described in the first embodiment;
Fig. 3 is the top view of battery modules end plate described in the first embodiment;
Fig. 4 is the three dimensional structure diagram of battery modules end plate described in second of embodiment;
Fig. 5 is the three dimensional structure diagram of battery modules end plate described in the third embodiment;
Fig. 6 is the three dimensional structure diagram of battery modules end plate described in the 4th kind of embodiment;
Fig. 7 is the three dimensional structure diagram of battery modules end plate described in the 5th kind of embodiment.
Description of symbols:
1, battery modules end plate,
11, energy-absorbing area,
111, lug boss,
112, groove,
1121, through-hole,
12, outer wall,
13, inner wall,
14, interconnecting piece,
15, dowel,
16, reinforcing rib,
2, battery modules side plate,
3, battery cell.
Specific embodiment
Technology contents, construction feature, the objects and the effects for detailed description technical solution, below in conjunction with specific reality It applies example and attached drawing is cooperated to be explained in detail.
In the description of the present application unless specifically defined or limited otherwise, term " first ", is only used for retouching " second " The purpose stated, is not understood to indicate or imply relative importance;Unless otherwise prescribed or explanation, term " multiple " refer to two It is a or more than two;Term " connection ", " fixation " etc. shall be understood in a broad sense, for example, " connection " may be a fixed connection, it can also To be to be detachably connected, or be integrally connected, or be electrically connected;It can be directly connected, the indirect phase of intermediary can also be passed through Even.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood as the case may be Meaning.
In the description of this specification, it is to be understood that "upper", "lower" described in the embodiment of the present application, "left", "right" The equal nouns of locality are described with angle shown in the drawings, should not be construed as the restriction to the embodiment of the present application.In addition, In context, it is also necessary to which understanding can not only when mentioning an element and being connected to another element "upper" or "lower" It is enough connected directly between another element "upper" or "lower", another element "upper" can also be indirectly coupled to by intermediary element Or "lower".
Referring to Fig. 1, first embodiment is related to a kind of battery modules, battery modules include more than two battery cells 3, Two battery modules end plates 1 and two battery modules side plates 2, two battery modules end plates 1 are set to the arrangement of battery cell 3 The both ends in direction, two battery modules side plates 2 are located at the two sides of battery cell 3, two battery modules end plates 1 and two electricity Chi Mo group side plate 2 is mutually overlapped and is welded and fixed.
Wherein, as shown in FIG. 2 and 3, in the first embodiment, battery modules end plate 1 has and connects with battery cell 3 The energy-absorbing area 11 of touching, energy-absorbing area 11 are provided with lug boss 111, and lug boss 111 is located at the inside of battery modules end plate 1, lug boss Fluted 112 are arranged between 11 and the inner wall 13 of battery modules end plate 1, the inner wall of groove 112 is by the two of battery modules end plate 1 Side direction is tilted to the internal direction of battery modules end plate 1.
At this point, lug boss 111 protrudes from 13 certain altitude of inner wall of battery modules end plate 1, the size of height can basis The adjustment of actual battery expansive force.
Battery modules end plate 1 has inner wall 13 and outer wall 12, and inner wall 13 is on battery modules end plate 1 close to battery cell 3 One side, outer wall 12 be battery modules end plate 1 on far from battery cell 3 one side.Energy-absorbing area 11 is arranged in battery modules end plate 1 Inner wall 13 on, in the first embodiment, setting is there are two lug boss 111 in energy-absorbing area 11, but is not limited to two protrusions Portion 111, the quantity of lug boss 111 can be other integers, such as Fig. 7, and in the 5th embodiment, the quantity of lug boss 111 can be with It is one.
Optionally, as shown in Fig. 2, in energy-absorbing area 11 setting be arranged between two lug bosses 111 there are two lug boss 111 Fluted 112, the inner wall of groove 112 is inclined from two side directions of battery modules end plate 1 to the internal direction of battery modules end plate 1 Tiltedly.In battery modules end plate 1 in use, 111 preferential contact battery cell 3 of lug boss, in the effect of 3 expansive force of battery cell Under, deformation occurs first for lug boss 111, to reduce expansive force;Simultaneously because the reason of expansive force, 112 two sides of groove it is convex It plays portion 111 to squeeze to 112 direction of groove, the expansive force of two lug bosses 111 of 112 two sides of groove passes through the structure of groove 112 It cancels out each other, to substantially reduce the dynamics of expansive force.
Specifically, being arranged fluted 112 between lug boss 111 and the inner wall 13 of battery modules end plate 1.Lug boss 111 with It is arranged fluted 112 between the inner wall 13 of battery modules end plate 1, groove 112 herein in use, will in battery modules end plate 1 The expansive force of battery cell 3 is dredged to the two sides of battery modules end plate 1, and the case where expansive force is concentrated is avoided the occurrence of.
Optionally, as shown in figure 3, being provided with interconnecting piece 14 between groove 112 and the inner wall 13 of battery modules end plate 1, even Socket part 14 is parallel to the inner wall 13 of battery modules end plate 1.In other words, between groove 112 and the inner wall 13 of battery modules end plate 1 It is provided with one section of straight section, is the interconnecting piece 14 of groove 112.Expansive force can be transformed to horizontal direction by interconnecting piece 14 Power, so that expansive force be avoided to act directly on battery modules end plate 1, thus reduce reach reduce battery modules end plate 1 by Expansive force effect.
Optionally, it is provided with more than two reinforcing ribs 16 between the outer wall 12 and energy-absorbing area 11 of battery modules end plate 1, two A above reinforcing rib 16 is separately positioned on the two sides of groove 112, and the cross sectional shape of reinforcing rib 16 is wedge font, two wedge fonts Reinforcing rib 16 is towards opposite direction.There is booster action by reinforcing rib 16, meanwhile, it can reach the purpose for decomposing expansive force.
Please continue to refer to Fig. 2, in the first embodiment, groove 112 is from top to bottom provided with more than two through-holes 1121. By being provided with more than two through-holes 1121 on groove 112, so that groove 112 has good elasticity, be conducive to lug boss 111 deformation occurs.It can also be with it is noted that being provided with a through-hole 1121 on groove 112.
In second of embodiment, as shown in figure 4, the cross sectional shape of through-hole 1121 is rectangle;
In the third embodiment, as shown in figure 5, the cross sectional shape of through-hole 1121 is circle;
In the third embodiment, as shown in fig. 6, the cross sectional shape of through-hole 1121 is kidney-shaped;
In other embodiments, the cross sectional shape of through-hole 1121 is rectangle, circle, kidney-shaped, any of them or combination, It may be implemented, as long as making groove 112 that there is good elasticity.
It optionally, in the first embodiment, is cavity structure between the outer wall 12 and energy-absorbing area 11 of battery modules end plate 1. In this way, the cavity structure between the outer wall 12 and energy-absorbing area 11 that pass through battery modules end plate 1, forms buffer area, so that energy-absorbing Area 11 can be deformed inward when receiving expansive force, reduce influence of the expansive force to battery modules end plate 1.
It is worth noting that it is not limited to cavity structure between the outer wall 12 and energy-absorbing area 11 of battery modules end plate 1, Can be for other buffer structures, such as rubber layer, plastic layer etc., it can outer wall 12 in battery modules end plate 1 and energy-absorbing area 11 Between fill other padded coamings, as buffer area, equally can achieve, which reduces expansive force, influences battery modules end plate 1 Technical effect.
Optionally, between the outer wall 12 of battery modules end plate 1 and energy-absorbing area 11 be cavity structure on the basis of, battery mould Dowel 15 is provided between the outer wall 12 and energy-absorbing area 11 of group end plate 1.A branch is played to energy-absorbing area 11 by dowel 15 Support effect.
As shown in Figures 4 to 6, specifically, dowel 15 be set to groove 112 and battery modules end plate 1 outer wall 12 it Between.By dowel 15, in 112 stress of groove, the bottom of groove 112 is supported.
In use, by more than two 3 stacked arrangements of battery cell, two battery modules end plates 1 are respectively set At the both ends of 3 stacking direction of battery cell, the energy-absorbing area 11 of battery modules end plate 1 is acted against into 3 stacking direction of battery cell Both ends, lug boss 111 are in contact with battery cell 3, and two battery modules side plates 2 are separately positioned on the two sides of battery cell 3, and two A battery modules side plate 2 is mutually overlapped and is welded and fixed with two battery modules end plates 1.
The battery modules end plate 1 of the present embodiment is by lug boss 111, when battery modules end plate 1 is by expansive force, protrusion Portion 111 preferentially deforms;Also, the groove 112 between lug boss 111 and the inner wall 13 of battery modules end plate 1 can be decomposed effectively swollen Expansive force.The expansive force of battery cell 3 can be absorbed in battery modules end plate 1, effectively reduces the deformation displacement of battery modules end plate 1, Reduce other security risks generated by the deformation of battery modules end plate 1.
It should be noted that being not intended to limit although the various embodiments described above have been described herein The scope of patent protection of the utility model.Therefore, based on the innovative idea of the utility model, embodiment described herein is carried out Change and modification or equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, directly Or above technical scheme is used in other related technical areas indirectly, it is included in the protection model of the utility model patent Within enclosing.

Claims (10)

1. a kind of battery modules end plate, in which:
The battery modules end plate has energy-absorbing area, is provided with lug boss in the energy-absorbing area, the boss is in the electricity The inside of Chi Mo group end plate,
It is arranged between the lug boss and the inner wall of the battery modules end plate fluted.
2. battery modules end plate according to claim 1, it is characterised in that: be provided in the energy-absorbing area more than two The lug boss is provided with the groove between two lug bosses.
3. battery modules end plate according to claim 1, it is characterised in that: the groove and the battery modules end plate Interconnecting piece is provided between inner wall, the interconnecting piece is arranged in parallel in the inner wall of the battery modules end plate.
4. battery modules end plate according to claim 1, it is characterised in that: the groove be from top to bottom arranged there are two with On through-hole.
5. battery modules end plate according to claim 4, it is characterised in that: the cross sectional shape of the through-hole is rectangle, circle Shape, kidney-shaped, any of them or combination.
6. battery modules end plate according to claim 1, it is characterised in that: the outer wall of the battery modules end plate with it is described It is cavity structure between lug boss.
7. battery modules end plate according to claim 6, it is characterised in that: the outer wall of the battery modules end plate with it is described Dowel is provided between lug boss.
8. battery modules end plate according to claim 7, it is characterised in that: the dowel is set to the groove and institute Between the outer wall for stating battery modules end plate.
9. battery modules end plate according to claim 1, it is characterised in that: the outer wall of the battery modules end plate with it is described More than two reinforcing ribs are provided between lug boss, the cross sectional shape of the reinforcing rib is wedge font, and two wedge fonts are reinforced Muscle is towards opposite direction.
10. a kind of battery modules, it is characterised in that: including electricity described in any one of battery cell and claim 1-9 Chi Mo group end plate, the battery modules end plate are set to the both ends of the orientation of the battery cell.
CN201821946759.9U 2018-11-23 2018-11-23 A kind of battery modules end plate and its battery modules Active CN209016139U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821946759.9U CN209016139U (en) 2018-11-23 2018-11-23 A kind of battery modules end plate and its battery modules

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821946759.9U CN209016139U (en) 2018-11-23 2018-11-23 A kind of battery modules end plate and its battery modules

Publications (1)

Publication Number Publication Date
CN209016139U true CN209016139U (en) 2019-06-21

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Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114335846A (en) * 2020-09-27 2022-04-12 比亚迪股份有限公司 Battery tray and battery pack

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114335846A (en) * 2020-09-27 2022-04-12 比亚迪股份有限公司 Battery tray and battery pack

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