CN209104213U - Battery modules and battery pack - Google Patents
Battery modules and battery pack Download PDFInfo
- Publication number
- CN209104213U CN209104213U CN201822049123.0U CN201822049123U CN209104213U CN 209104213 U CN209104213 U CN 209104213U CN 201822049123 U CN201822049123 U CN 201822049123U CN 209104213 U CN209104213 U CN 209104213U
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- Prior art keywords
- end plate
- side plate
- battery modules
- pair
- 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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- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a kind of battery modules and battery packs, and wherein battery modules include: a pair of end plate, institute's a pair of side plates and elastic spacing one.The both ends for stating end plate have sliding slot；The both ends of the side plate are slidably fit into the sliding slot；The elastic spacing one is set on the lateral wall of a pair of end plate and a pair of side plate, the elastic spacing one includes: locking section and resilient deformation section, the locking section is arranged on the lateral wall of a pair of end plate, and the resilient deformation section is arranged on the lateral wall of a pair of side plate.It is removable with respect to side plate that end plate may be implemented in the battery modules, and then alleviates the expansive force from battery core that end plate is subject to, and avoids expansive force from infinitely increasing and damages to end plate, and then can guarantee the safety of battery modules entirety.
Description
Technical field
The utility model relates to technical field of vehicle, in particular to a kind of battery modules and battery pack.
Background technique
The frame structure that traditional power battery modules are made of end plate and side plate, end plate and side plate generally use metal material
Material links together the two by welding, and wherein battery core package.In battery core expansion, due to by frame structure
Constraint, battery modules will not recurring structure deformation.The certain journey of battery core quantity in order to improve the group efficiency of mould group, in mould group
Will increase on degree, the expansive force between battery core will continuous cumulative rises, when whole mould group cannot bear expansive force, whole mould
Group will deform destruction, and there are rooms for improvement.
Utility model content
In view of this, the utility model is directed to a kind of battery modules, which can be effectively relieved battery core
Expansive force is damaged caused by battery modules entirety.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of battery modules, comprising: the both ends of a pair of end plate, the end plate have sliding slot；A pair of side plates, the side plate
Both ends are slidably fit into the sliding slot；Elastic spacing one, the elastic spacing one are set in a pair of end plate and one
To on the lateral wall of the side plate, the elastic spacing one includes: locking section and resilient deformation section, and the locking section is arranged one
To on the lateral wall of the end plate, the resilient deformation section is arranged on the lateral wall of a pair of side plate.
Further, the side plate, which has, is suitable for the fixed structure fixed with battery pack lower case.
Further, the both ends of the outside wall surface of the end plate have arc transitional type face.
Further, there is the end plate limiting groove that the length direction along the end plate extends on the lateral wall of the end plate,
The locking section limit has the length direction along the side plate in the end plate limiting groove, on the lateral wall of the side plate
The side plate limiting groove of extension, the resilient deformation section limit is in the side plate limiting groove.
Further, the edge face at the edge of the end plate limiting groove and the side plate limiting groove.
Further, the sliding slot is formed on the both ends end wall of the end plate, and the outside of the sliding slot and towards institute
The side for stating side plate is opened wide.
Further, the resilient deformation section has multiple elastic folds.
Further, the end plate limiting groove is multiple, and multiple end plate limiting grooves are along the height side of the end plate
To being arranged in parallel, the side plate limiting groove be it is multiple, multiple side plate limiting grooves are flat along the short transverse of the side plate
Row setting.
Further, the battery modules further include: reinforce partition, reinforcements partition setting a pair end plate it
Between, the middle part of the inner surface of the end plate forms shifting chute to the inner recess of the end plate, and the both ends for reinforcing partition can
It is fitted slidably in two shifting chutes.
Compared with the existing technology, battery modules described in the utility model have the advantage that
(1) battery modules described in the utility model, the battery modules may be implemented end plate and move with respect to side plate, in turn
The expansive force from battery core that end plate is subject to is alleviated, avoids expansive force from infinitely increasing and end plate is damaged, and then can guarantee
The safety of battery modules entirety.
The another object of the utility model is to propose a kind of battery pack, including above-mentioned battery modules, the battery pack
Safety is higher.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is the structural schematic diagram according to the battery modules of the utility model embodiment；
Fig. 2 is the explosive view according to the battery modules of the utility model embodiment；
Fig. 3 is the partial structural diagram according to the battery modules of the utility model embodiment；
Fig. 4 is the partial structural diagram according to the battery modules of the utility model embodiment；
Fig. 5 is the partial structural diagram according to the battery modules of the utility model embodiment.
Description of symbols:
100- battery modules, 1- end plate, 11- sliding slot, 2- side plate, 3- elastic spacing one, 31- locking section, 32- flexible deformation
Section, 21- fixed structure, 12- arc transitional type face, 13- end plate limiting groove, 22- side plate limiting groove, 321- elastic folds,
4- reinforces partition, 14- shifting chute, 5- battery core.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
Below with reference to Fig. 1-Fig. 5 description according to the battery modules 100 of the utility model embodiment.
Battery modules 100 according to the utility model embodiment may include: a pair of end plate 1, a pair of side plates 2 and elasticity limit
Position part 3.
As Figure 1-Figure 4, the both ends of end plate 1 have sliding slot 11, and the both ends of side plate 2 are slidably fit into sliding slot 11
It is interior.Thus, it can be achieved that the relative movement of end plate 1 and side plate 2.Since the battery core 5 in battery modules 100 is arranged in end plate 1 and side
In frame composed by plate 2, and due to having a fairly large number of battery core 5 in battery modules 100, and battery core 5 is in charge and discharge
Can expand in the process, thus the expansive force between battery core 5 will continuous cumulative rises, entire battery modules 100 cannot
When bearing expansive force, battery modules 100 will deform destruction.
For the generation for avoiding such phenomenon, the utility model embodiment devises above-mentioned 1 He of relatively-movable end plate
Side plate 2 increases the volume in module framework with the relative movement by end plate 1 and side plate 2, i.e., when battery core 5 expands, battery core 5
Expansive force can be passed to end plate 1 and side plate 2, so that end plate 1 and side plate 2 relatively move, avoid end plate 1 and side plate 2 by excessive
Expansive force extruding and cause the damages of battery modules 100.
Referring to Figures 1 and 2, since battery core 5 is in non-charge and discharge, battery core 5 can become again just from swelling state when charge and discharge
Constant volume size, to make battery modules 100 that can be restored to normal volume in the case where non-charge and discharge, the utility model is implemented
Example is provided with elastic spacing one 3, and is set in elastic spacing one 3 on the lateral wall of a pair of end plate 1 and a pair of side plates 2, with for
End plate 1 and side plate 2 provide elastic-restoring force, and end plate 1 and side plate 2 is enable to be restored to normal connection status.
Further, elastic spacing one 3 includes: locking section 31 and resilient deformation section 32, and locking section 31 is arranged in a pair of end plate 1
Lateral wall on, locking section 31 is non-deformable structure, will not provide restoring force to end plate 1 and side plate 2, resilient deformation section 32 be set
It sets on the lateral wall of a pair of side plates 2, and flexible deformation can occur for resilient deformation section 32, it can be in end plate 1 by the swollen of battery core 5
It is deformed when expansive force, so that the entire length of resilient deformation section 32 is elongated, and then can enable end plate 1 mobile relative to side plate 2, in turn
Expansive force is alleviated, expansive force is avoided to damage end plate 1.
Preferably, elastic spacing one 3 can be metallic elastic bandage, can thus be end plate 1 and side plate 2 provides enough limits
Power and elastic-restoring force.
According to the battery modules 100 of the utility model embodiment, which may be implemented end plate 1 with respect to side plate 2
It is removable, and then the expansive force from battery core 5 that end plate 1 is subject to is alleviated, it avoids expansive force from infinitely increasing and end plate 1 is caused to damage
It is bad, and then can guarantee the whole safety of battery modules 100.
Embodiment referring to figs. 1 and 2, side plate 2, which has, is suitable for the fixed structure 21 fixed with battery pack lower case.By
In the battery core 5 in battery modules 100 expanding noodles towards end plate 1, when battery core 5 expands, expansive force acts on end plate 1 first
On, therefore, in order to ensure that the globality of battery modules 100, only need to allow the end plate 1 of stress that can move, and side plate 2 then passes through
Fixed structure 21 is fixed in the lower case of battery pack, to guarantee that the stablizing in battery pack of battery modules 100 is fixed, avoids electricity
Chi Mo group 100 damages battery pack in battery pack inside shaking.
As Figure 1-Figure 4, the both ends of the outside wall surface of end plate 1 have arc transitional type face 12.Elastic spacing one 3 is being arranged
On end plate 1 and side plate 2 when, to guarantee that pretightning force is enough, elastic spacing one 3 needs to be bonded the outside wall surface and side plate 2 of end plate 1
Outside wall surface setting can then cause elastic spacing one 3 to wear or destroy if the excessive angle between end plate 1 and side plate 2 is right angle,
For this purpose, the utility model is provided with arc transitional type face 12 at the both ends of the outside wall surface of end plate 1, even if between side plate 2 and end plate 1
Excessive angle be fillet, it is against damages that elastic spacing one 3 can be effectively protected as a result, and then making for elastic spacing one 3 can be increased
Use the service life.
Referring to Figures 1 and 2, there is the end plate limiting groove that the length direction along end plate 1 extends on the lateral wall of end plate 1
13, locking section 31 limits in end plate limiting groove 13, and the limit that locking section 31 can be enable stable as a result, limits recessed in end plate
Limit power is provided in slot 13 and for end plate 1.And the side plate limit that there is the length direction along side plate 2 to extend on the lateral wall of side plate 2
Position groove 22, resilient deformation section 32 limit in side plate limiting groove 22, wherein resilient deformation section 32 is in side plate limiting groove 22
Interior anamorphic stretching can avoid resilient deformation section 32 and the sliding in height occur on side plate 2 when deforming and extending and makes to hold
Plate 1 cannot be stable it is mobile relative to side plate 2.To sum up, elastic limit can be made by end plate limiting groove 13 and side plate limiting groove 22 being arranged
Position part 3 can be more stable setting on end plate 1 and side plate 2 to provide elastic-restoring force for end plate 1.
Further, the edge face at the edge of end plate limiting groove 13 and side plate limiting groove 22.Thus it can make locking section
31 with resilient deformation section 32 can face connect, i.e. the same height that is integrally provided in 100 outer surface of battery modules of elastic spacing one 3
On degree, it thus can guarantee that elastic spacing one 3 from the damage of expansive force, and enables elastic spacing one 3 preferably for end plate 1
Elastic-restoring force is provided, to guarantee that battery modules 100 can be restored to normal volume after charge and discharge.
Further, end plate limiting groove 13 is multiple, and multiple end plate limiting grooves 13 are parallel along the short transverse of end plate 1
Setting, side plate limiting groove 22 be it is multiple, multiple side plate limiting grooves 22 are arranged in parallel along the short transverse of side plate 2.Thus may be used
Make the whole stress of end plate 1 more evenly, making it with side plate 2, opposite sliding is more smooth, avoids that Caton occurs during sliding
The phenomenon that and influence the normal transmitting of expansive force.
In conjunction with Fig. 1-embodiment illustrated in fig. 4, sliding slot 11 is formed on the both ends end wall of end plate 1, due to side plate 2 and battery pack
Lower case is fixed as motionless, therefore end plate 1 is horizontally constrained, is unable to transverse shifting, and can move freely in the longitudinal direction.
Therefore, when battery core 5 expands in charge and discharge process, end plate 1 can be moved by the effect of expansive force along sliding slot 11 is longitudinal
It moves to reduce the expansive force between battery core 5, meanwhile, active force can be passed to elastic spacing one 3 by end plate 1, by elastic spacing one 3
Deformation to offset the expansive force passed over.And after the disappearance of the bulking effect of battery core 5, due to acting on elastic spacing one 3
On expansive force disappear, therefore elastic spacing one 3 can be restored to initial state and apply elastic-restoring force to end plate 1, as a result,
End plate 1 can be moved and be returned to original state.
Further, the outside of sliding slot 11 and towards the side of side plate 2 open wide.Sliding slot 11 is opened wide towards the side of side plate 2
It is slided in order to cooperate with side plate 2.And since end plate 1 has horizontally received the constraint of side plate 2, it is unable to transverse shifting,
Therefore, partition need not be set in the outside of sliding slot 11 and cross spacing is carried out to side plate 2 again, and be arranged can also reduce end in this way
Force of sliding friction between plate 1 and side plate 2 keeps end plate 1 more smooth when mobile relative to side plate 2.
Embodiment as one preferred, referring to Figures 1 and 2, resilient deformation section 32 have multiple elastic folds 321.Bullet
Property fold 321 can be trailed when end plate 1 is by expansive force to extend the length of resilient deformation section 32, keep end plate 1 opposite
Side plate 2 is mobile.And when battery core 5 no longer applies expansive force to end plate 1, elastic folds 321 can shrink back original state with to end
Plate 1 applies elastic-restoring force, and then returns to original state end plate 1.
And elastic folds 321 compare other elastic deformation structures and are easier to realize, thus can effectively reduce battery modules
100 production and processing technology difficulty and complexity.
In conjunction with Fig. 1, Fig. 2, Fig. 3 and embodiment illustrated in fig. 5, battery modules 100 further include: reinforce partition 4, reinforce partition 4
It is arranged between a pair of end plate 1, the middle part of the inner surface of end plate 1 forms shifting chute 14 to the inner recess of end plate 1, reinforces partition
4 both ends are slidably fit into two shifting chutes 14.Wherein, reinforcement partition 4 can be used polymer matrix composite and be made,
Reinforce partition 4 and battery core 5 is divided into two rows, has the function of insulation, and be slidingly fitted with shifting chute 14, further make end plate
1 is unable to transverse shifting, is merely able to be vertically moved.
According to the battery pack of the utility model another aspect embodiment, including battery modules described in above-described embodiment
100.Other constructions such as battery pack shell for battery pack etc. are for the prior art and be those skilled in the art institute
It is known, therefore do not elaborate for other constructions of vehicle here.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of battery modules (100) characterized by comprising
The both ends of a pair of end plate (1), the end plate (1) have sliding slot (11)；
A pair of side plates (2), the both ends of the side plate (2) are slidably fit into the sliding slot (11)；
Elastic spacing one (3), the elastic spacing one (3) be set in a pair of end plate (1) and a pair of side plate (2) outside
On side wall, the elastic spacing one (3) includes: locking section (31) and resilient deformation section (32), and locking section (31) setting exists
On the lateral wall of a pair of end plate (1), resilient deformation section (32) setting is on the lateral wall of a pair of side plate (2).
2. battery modules (100) according to claim 1, which is characterized in that the side plate (2), which has, to be suitable for and battery pack
The fixed fixed structure (21) of lower case.
3. battery modules (100) according to claim 1, which is characterized in that the both ends of the outside wall surface of the end plate (1) have
There are arc transitional type face (12).
4. battery modules (100) according to claim 1, which is characterized in that have edge on the lateral wall of the end plate (1)
The end plate limiting groove (13) that the length direction of the end plate (1) extends, locking section (31) limit are limited in the end plate
There is the side plate limiting groove that the length direction along the side plate (2) extends in groove (13), on the lateral wall of the side plate (2)
(22), resilient deformation section (32) limit is in the side plate limiting groove (22).
5. battery modules (100) according to claim 4, which is characterized in that the edge of the end plate limiting groove (13)
With the edge face of the side plate limiting groove (22).
6. battery modules (100) according to claim 3, which is characterized in that the sliding slot (11) is formed in the end plate
(1) on both ends end wall, and the outside of the sliding slot (11) and towards the side of the side plate (2) open wide.
7. battery modules (100) according to claim 1, which is characterized in that the resilient deformation section (32) has multiple
Elastic folds (321).
8. battery modules (100) according to claim 4, which is characterized in that the end plate limiting groove (13) be it is multiple,
Multiple end plate limiting grooves (13) are arranged in parallel along the short transverse of the end plate (1), the side plate limiting groove (22)
To be multiple, multiple side plate limiting grooves (22) are arranged in parallel along the short transverse of the side plate (2).
9. battery modules (100) according to claim 4, which is characterized in that further include: reinforce partition (4), the reinforcement
Partition (4) setting is between a pair of end plate (1), the inside of the middle part of the inner surface of the end plate (1) to the end plate (1)
Recess is formed shifting chute (14), and the both ends for reinforcing partition (4) are slidably fit into two shifting chutes (14).
10. a kind of battery pack, which is characterized in that including battery modules according to claim 1 to 9 (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822049123.0U CN209104213U (en) | 2018-12-07 | 2018-12-07 | Battery modules and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822049123.0U CN209104213U (en) | 2018-12-07 | 2018-12-07 | Battery modules and battery pack |
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| Publication Number | Publication Date |
|---|---|
| CN209104213U true CN209104213U (en) | 2019-07-12 |
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ID=67162558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822049123.0U Active CN209104213U (en) | 2018-12-07 | 2018-12-07 | Battery modules and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209104213U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021012290A1 (en) * | 2019-07-22 | 2021-01-28 | 江苏时代新能源科技有限公司 | Battery pack |
| WO2021143886A1 (en) * | 2020-01-17 | 2021-07-22 | 东莞新能安科技有限公司 | Battery pack |
| CN114865205A (en) * | 2022-06-02 | 2022-08-05 | 远景动力技术(江苏)有限公司 | Solid-state battery module and battery pack |
| CN115425312A (en) * | 2022-09-23 | 2022-12-02 | 重庆储安科技创新中心有限公司 | Battery module and expansion monitoring method thereof |
| CN115513585A (en) * | 2022-06-02 | 2022-12-23 | 远景动力技术(江苏)有限公司 | Battery module and electronic device |
| WO2023093498A1 (en) * | 2021-11-26 | 2023-06-01 | 宁德时代新能源科技股份有限公司 | Case and battery pack |
| CN116583431A (en) * | 2020-12-09 | 2023-08-11 | 伏特如系统有限公司 | Battery module and battery rack with enhanced fire safety characteristics and use thereof |
| EP4303973A1 (en) * | 2022-06-02 | 2024-01-10 | AESC Japan Ltd. | Battery module and electronic device |
-
2018
- 2018-12-07 CN CN201822049123.0U patent/CN209104213U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021012290A1 (en) * | 2019-07-22 | 2021-01-28 | 江苏时代新能源科技有限公司 | Battery pack |
| US11721869B2 (en) | 2019-07-22 | 2023-08-08 | Jiangsu Contemporary Amperex Technology Limited | Battery pack |
| WO2021143886A1 (en) * | 2020-01-17 | 2021-07-22 | 东莞新能安科技有限公司 | Battery pack |
| JP2022526549A (en) * | 2020-01-17 | 2022-05-25 | 東莞新能安科技有限公司 | Battery set |
| JP7358499B2 (en) | 2020-01-17 | 2023-10-10 | 東莞新能安科技有限公司 | battery set |
| CN116583431A (en) * | 2020-12-09 | 2023-08-11 | 伏特如系统有限公司 | Battery module and battery rack with enhanced fire safety characteristics and use thereof |
| WO2023093498A1 (en) * | 2021-11-26 | 2023-06-01 | 宁德时代新能源科技股份有限公司 | Case and battery pack |
| CN114865205A (en) * | 2022-06-02 | 2022-08-05 | 远景动力技术(江苏)有限公司 | Solid-state battery module and battery pack |
| CN115513585A (en) * | 2022-06-02 | 2022-12-23 | 远景动力技术(江苏)有限公司 | Battery module and electronic device |
| EP4303973A1 (en) * | 2022-06-02 | 2024-01-10 | AESC Japan Ltd. | Battery module and electronic device |
| CN115425312A (en) * | 2022-09-23 | 2022-12-02 | 重庆储安科技创新中心有限公司 | Battery module and expansion monitoring method thereof |
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