CN209418597U - A kind of battery modules - Google Patents
A kind of battery modules Download PDFInfo
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- CN209418597U CN209418597U CN201920210663.4U CN201920210663U CN209418597U CN 209418597 U CN209418597 U CN 209418597U CN 201920210663 U CN201920210663 U CN 201920210663U CN 209418597 U CN209418597 U CN 209418597U
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- end plate
- battery
- battery modules
- rubber strip
- card slot
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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 field of lithium more particularly to a kind of battery modules.The battery modules include multiple single batteries for being arranged successively and being mutually permanently connected, and the positive and negative anodes of two neighboring single battery are connected by cylinder manifold, are respectively connected with switching piece on the positive and negative anodes of the single battery at both ends；Further include: end plate is respectively fixed with end plate positioned at the outside of the single battery at both ends, and end plate is equipped with groove, is provided with reinforcing rib in groove, the two sides of end plate are provided with card slot；Rubber strip, for bundling single battery and end plate, rubber strip can be stuck in card slot.Rubber strip is light and struts rubber strip after two end plates are fixed with battery pack with certain tensile force, bundlees battery pack and two end plates, and rubber strip is stuck at the card slot of two end plates, not only ensure that bond strength, but also alleviate weight.Above setting improves the energy density of entire battery modules, and will not scratch single battery.
Description
Technical field
The utility model relates to field of lithium more particularly to a kind of battery modules.
Background technique
Currently, power battery is mainly used in electric car, and lithium battery is due to, capacity small with the coefficient of expansion
Greatly, it highly-safe, the advantages that service life is long, is widely applied.
In battery modules in the prior art, in order to improve integral strength, it is respectively provided with outside the cylinder manifold of the two sides of battery pack
Plastic cement end plate, and cylinder manifold and plastic cement end plate achieve a fixed connection by the way that multiple stainless steel connecting rods are interspersed, and connecting rod
One end will be inserted into each single battery.This set due to need on cylinder manifold and plastic cement end plate aperture with facilitate connection
Bar passes through, and on the one hand reduces the intensity of end plate, and another aspect connecting rod weight is higher, has dragged down the energy of entire battery modules
Density, and connecting rod is easy to scratch the peplos of single battery, may cause short circuit between battery core, to cause accident.
It is, therefore, desirable to provide a kind of battery modules, are able to solve battery modules in the prior art wearing due to connecting rod
Inserting leads to the problem of battery modules energy density is relatively low and battery surface peplos is easy scuffing.
Utility model content
Based on the above, the purpose of this utility model is to provide a kind of battery modules, are guaranteeing entire battery modules
Bond strength while, improve the energy density of entire battery modules, and guarantee that battery surface peplos does not damage.
In order to achieve the above object, the utility model uses following technical scheme:
A kind of battery modules are provided, including multiple single batteries for being arranged successively and being mutually permanently connected, two neighboring institute
The positive and negative anodes for stating single battery are connected by cylinder manifold, are respectively connected with switching on the positive and negative anodes of the single battery at both ends
Piece, further includes:
End plate is respectively fixed with an end plate positioned at the outside of the single battery at both ends, and the end plate is equipped with recessed
Slot is provided with reinforcing rib in the groove, and the two sides of the end plate are provided with card slot；
Rubber strip, for bundling the single battery and the end plate, the rubber strip can be stuck in the card slot.
As a kind of preferred embodiment of battery modules, the reinforcing rib includes that cylindricality reinforcing rib interconnected and bar shaped add
Strengthening tendons.
As a kind of preferred embodiment of battery modules, multiple groups protrusion, two adjacent groups institute are provided on the side wall of the end plate
It states and forms the card slot between protrusion.
As a kind of preferred embodiment of battery modules, the surface of the card slot is set as frosting.
As a kind of preferred embodiment of battery modules, support baseboard, the support are provided with below the single battery
The both ends of bottom plate are connected to two end plates.
It is provided with along its length as a kind of preferred embodiment of battery modules, on the support baseboard described for reinforcing
The crowded profile bar of the intensity of support baseboard.
As a kind of preferred embodiment of battery modules, the bottom of each end plate is provided with link block, the crowded type
The both ends of item are connected to the link block below two end plates.
As a kind of preferred embodiment of battery modules, it is provided with cover board above the single battery, the two of the cover board
End is connected to two end plates.
As a kind of preferred embodiment of battery modules, support column, the support column edge are provided on each end plate
Axial direction offers jack, and the inserting column being inserted into the jack is provided on the cover board.
As a kind of preferred embodiment of battery modules, the receipts for placing low voltage communication interface are additionally provided on the cover board
Collect slot.
The utility model has the following beneficial effects:
Battery modules provided by the utility model are respectively provided with card slot in the two sides of two end plates, rubber strip it is light and
Rubber strip is strutted, battery pack and two end plates are bundled after two end plates are fixed with battery pack with certain tensile force,
And be stuck in rubber strip at the card slot of two end plates, it not only ensure that bond strength, but also alleviate weight.Above setting improves
The energy densities of entire battery modules, and the peplos of single battery will not be scratched.
Detailed description of the invention
It, below will be to the utility model embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to the content of the utility model embodiment and these attached drawings.
Fig. 1 is the structural schematic diagram for the battery modules that the utility model specific embodiment provides；
Fig. 2 is the structural schematic diagram for the battery modules end plates that the utility model specific embodiment provides；
Fig. 3 is the structural schematic diagram for the battery modules cover plate that the utility model specific embodiment provides；
Fig. 4 is that the battery modules that the utility model specific embodiment provides remove the structural schematic diagram after cover board.
In figure:
1, single battery；
2, cylinder manifold；
3, switching piece；
4, end plate；41, groove；42, card slot；43, cylindricality reinforcing rib；44, bar shaped reinforcing rib；45, raised；46, link block；
47, support column；48, fixation hole；
5, rubber strip；
6, support baseboard；61, profile bar is squeezed；
7, cover board；71, inserting column；72, collecting tank.
Specific embodiment
The embodiments of the present invention are described below in detail, the example of embodiment is shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the utility model, and should not be understood as the limit to the utility model
System.
Further illustrate the technical solution of the utility model with reference to the accompanying drawing and by specific embodiment.
The present embodiment provides a kind of battery modules, belong to one kind of lithium battery.As shown in Figure 1, the battery modules include more
A single battery 1, end plate 4 and rubber strip 5, wherein an entirety is bonded as using structure glue between multiple single batteries 1,
The quantity of end plate 4 is two, is respectively fixed with an end plate 4 positioned at the outside of the single battery 1 at both ends, rubber strip 5 is wrapped in
The outside of single battery 1 and end plate 4.It is that single battery 1 provides certain clamping force by end plate 4 and rubber strip 5, to constitute
One has the battery modules of certain structural strength.
In order to mitigate the weight of end plate 4, as shown in Fig. 2, the shape of end plate 4 is identical as the shape of single battery 1, it is all side
Shape；The front of end plate 4 is provided with square groove 41, and multiple reinforcing ribs, including bar shaped reinforcing rib 44 and column are provided on groove 41
Shape reinforcing rib 43, specifically, the quantity of cylindricality reinforcing rib 43 are five, and larger-size cylindricality reinforcing rib 43 is located at groove 41
Center, the lesser cylindricality reinforcing rib 43 of four sizes, which is square, to be distributed in around large scale cylindricality reinforcing rib 43, and big cylindricality adds
Be provided with bar shaped reinforcing rib 44 between strengthening tendons 43 and each small cylindricality reinforcing rib 43, the small cylindricality reinforcing rib 43 of adjacent two it
Between be also equipped with bar shaped reinforcing rib 44, secondly, being arranged between small cylindricality reinforcing rib 43 and apex angle away from nearest groove 41
There is bar shaped reinforcing rib 44, is also equipped with bar shaped reinforcing rib 44 between big cylindricality reinforcing rib 43 and the four edges of groove 41.By setting
Groove 41 is set, then setting alternately connects in groove 41 cylindricality reinforcing rib 43 and bar shaped reinforcing rib 44, end plate 4 can be mitigated
Weight, and can guarantee that end plate 4 has certain structural strength.
In addition, multiple groups protrusion 45 is additionally provided on the two sidewalls of end plate 4, and two sidewalls are symmetrical arranged, it is convex in the present embodiment
It plays 45 to be set as but be not limited only to four groups, forms card slot 42, as depicted in figs. 1 and 2, rubber strip between two adjacent groups protrusion 45
5, when bundling single battery 1 and end plate 4, can be stuck in card slot 42 just, and one side rubber strip 5 is single battery 1 and end plate
4 provide clamping force, and another aspect card slot 42 can prevent rubber strip 5 from moving.
It should be noted that in view of the uniform binding of loss of weight and rubber strip 5, in the present embodiment, four groups of protrusions 45 it
Between only form two card slots 42, i.e., start from the top down, first group protrusion 45 and second group of protrusion 45 between formed a card slot
42, one card slot 42 of the company of being formed between third group protrusion 45 and the 4th group of protrusion 45, two rubber strips 5 are stuck in corresponding card
In slot 42, that realizes single battery 1 and end plate 4 has the binding of rubber strip 5 up and down.
It should be noted that being bundled after being strutted adhesive tape 5 using four paws card needle in the present embodiment since 5 matter of rubber strip is soft
Firmly battery pack and two end plates 4.Specifically, the end face of two end plates 4 and the joint face of two side walls are disposed as arcwall face；
Every group of protrusion 45 includes the protrusion 45 that two thickness directions along end plate 4 are distributed, and forms sliding slot between two protrusions 45, and lean on
The lateral wall of the protrusion 45 of the end face of proximal plate 4 is also configured as arcwall face.Rubber strip 5 is strutted and bundlees battery pack by four paws card needle
During two end plates 4, card needle can smoothly slide into the sliding slot between two protrusions 45 along above-mentioned two arcwall face, rubber
After adhesive tape 5 enters card slot 42, card needle can also be extracted out smoothly from sliding slot.
In order to further prevent rubber strip 5 mobile, frosting is set by the surface of card slot 42 in the present embodiment, is increased with this
Frictional force between big rubber strip 5 and card slot 42, allows rubber strip 5 preferably to bundle single battery 1 and end plate 4.
In addition, the protrusion 45 in the present embodiment is set as bar shaped, however in other embodiments, it can be set to other shapes
Shape such as cylindricality or other irregular shapes, and also uses structure glue bond between end plate 4 and single battery 1.
In the present embodiment, the quantity of single battery 1 is set as but is not limited only to eight, and what is selected is LiFePO4 electricity
Pond.The expansion force of ferric phosphate lithium cell is smaller, and very big deformation will not be generated under febrile state, so utilizing structure glue
After each single battery 1 is glued together, at the both ends that two end plates 4 are fixed on to whole group battery, two rubber are then utilized
End plate 4 and whole group battery are bundled to improve the rate in groups of whole group battery with 5, if not having list without king-sized vibration
Body battery 1 falls off.Certainly in other embodiments, the lithium battery that other expansion forces can be selected small.
Optionally, as shown in Figure 1, battery modules provided in this embodiment, further include the branch for being bonded in 1 bottom of single battery
Bottom plate 6 is supportted, support baseboard 6 can prevent single battery 1 from falling off in the vertical direction.In order to improve intensity, at support bottom
Two crowded profile bars 61 are provided on plate 6 along its length.As depicted in figs. 1 and 2, the bottom of end plate 4 and two crowded profile bars 61
Corresponding position is respectively provided with link block 46, and the side that link block 46 is contacted with crowded profile bar 61 offers slot, convenient crowded type
In the free end insertion slot of item 61, to further increase the bond strength of entire battery modules.Squeeze profile bar 61 using
Aluminum extrusion process, the technique are the prior art of comparative maturity, and details are not described herein again.
Optionally, the upper end of single battery 1 is additionally provided with cover board 7, and cover board 7 connect with two end plates 4, is mainly used for blocking
The electrode of single battery 1, shields.Specifically, as shown in figure 3, there are four inserting column 71, two ends for setting on cover board 7
The upper end of plate 4 position corresponding with inserting column 71 is respectively arranged with support column 47 (with reference to Fig. 2), and support column 47 is along its axial direction
Jack is offered, inserting column 71 can be corresponded to just in the jack of insertion support column 47, to realize the company of cover board 7 Yu end plate 4
It connects (with reference to Fig. 1).
It should be noted that offering via hole on support column 47 in order to further fix cover board 7, being corresponded on inserting column 71
It is provided with threaded hole, screw passes through via hole and is tightened at threaded hole, to prevent cover board 7 from falling.
In addition, being additionally provided with the collecting tank 72 (with reference to Fig. 3) for placing low voltage communication interface, communication interface on cover board 7
It is connect with the flexible circuit board of battery modules.Specifically, as shown in figure 4, the positive and negative anodes of each single battery 1 pass through cylinder manifold 2
Be together in series (seven cylinder manifolds 2 of two rows altogether in Fig. 4), to make eight single batteries 1 form a battery pack, positioned at outside
The positive and negative anodes of single battery 1 are the positive and negative anodes of battery pack, and switching piece 3 is connected on the positive and negative anodes of battery pack, are used for battery
The connection of group.
Cylinder manifold 2 and switching piece 3 are all made of Laser Welding and are welded at the positive and negative anodes of single battery 1, among two rows of cylinder manifolds 2
Position be used to weld flexible circuit board (not shown), above-mentioned low voltage communication interface can be put after connecting with flexible circuit board
It sets in collecting tank 72.
Cover board 7 only has connection relationship with two end plates 4, does not contact with cylinder manifold 2 and switching piece 3.Cover board 7 it is main
Effect is the electrode and flexible circuit board for protecting battery, in order to avoid the sensitivity of some dusts and other impurities damage battery modules.
In addition, as shown in Figure 1 and Figure 4, the two sides of end plate 4 are additionally provided with perforative fixation hole 48, each support column 47
Outside is each provided with a fixation hole 48.After entire battery modules are completed, it is also necessary to consolidate with the device for accommodating battery modules
Fixed connection needs to connect using realization external device (ED) in the fasteners such as bolt insertion fixation hole 48 and two the fixed of end plate 4 at this time
It connects, and then realizes being fixedly connected for entire battery modules and external device (ED).
It should be noted that the composite plastic that above-mentioned end plate 4 is mixed using Nylon66 with glass fibre, is mitigating
While the weight of end plate 4, there is good insulating properties and anti-flammability, be conducive to the safe handling of battery modules.
Battery modules provided in this embodiment, are provided with groove 41 on two end plates 4, and 41 inside of groove is provided with phase again
The cylindricality reinforcing rib 43 and bar shaped reinforcing rib 44 to connect alleviates the weight of battery modules while guaranteeing self-strength；
Rubber strip 5 is light and struts rubber strip 5 after two end plates 4 are fixed with battery pack with certain tensile force, bundlees electricity
Pond group and two end plates 4, and rubber strip 5 is stuck at the card slot 42 of two end plates, it not only ensure that bond strength, but also alleviate weight
Amount；Support baseboard 6 and crowded profile bar 61 can further prevent single battery 1 to fall off and improve whole bond strength.Above sets
It sets, improves the energy density of entire battery modules, and the peplos of single battery will not be scratched.
In the description of the present application, it should be noted that term "horizontal", "vertical", " upward ", " downward ", " lower section ",
The orientation or positional relationship of instructions such as " tops " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description originally
Application and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific side
Position construction and operation, therefore should not be understood as the limitation to the application.In addition, term " first ", " second ", be only used for description mesh
, it is not understood to indicate or imply relative importance.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation, readjustment and substitution is without departing from the protection scope of the utility model.Therefore, although passing through above embodiments
The utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from
It can also include more other equivalent embodiments in the case that the utility model is conceived, and the scope of the utility model is by appended
Scope of the claims determine.
Claims (10)
1. a kind of battery modules, including multiple single batteries (1) for being arranged successively and being mutually permanently connected, the two neighboring list
The positive and negative anodes of body battery (1) are connected by cylinder manifold (2), are all connected on the positive and negative anodes of the single battery (1) at both ends
There are switching piece (3), which is characterized in that further include:
End plate (4) is respectively fixed with an end plate (4), the end plate (4) positioned at the outside of the single battery (1) at both ends
It is equipped with groove (41), is provided with reinforcing rib in the groove (41), the two sides of the end plate (4) are provided with card slot (42)；
Rubber strip (5), for bundling the single battery (1) and the end plate (4), the rubber strip (5) can be stuck in described
In card slot (42).
2. battery modules according to claim 1, which is characterized in that the reinforcing rib includes that cylindricality interconnected is reinforced
Muscle (43) and bar shaped reinforcing rib (44).
3. battery modules according to claim 1, which is characterized in that it is convex to be provided with multiple groups on the side wall of the end plate (4)
It rises (45), forms the card slot (42) between protrusion (45) described in two adjacent groups.
4. battery modules according to claim 3, which is characterized in that the surface of the card slot (42) is set as frosting.
5. battery modules according to claim 1, which is characterized in that be provided with support below the single battery (1)
Bottom plate (6), the both ends of the support baseboard (6) are connected to two end plates (4).
6. battery modules according to claim 5, which is characterized in that be arranged along its length on the support baseboard (6)
There is the crowded profile bar (61) of the intensity for reinforcing the support baseboard (6).
7. battery modules according to claim 6, which is characterized in that the bottom of each end plate (4) is provided with company
It connects block (46), the both ends of the crowded profile bar (61) are connected to the link block (46) below two end plates (4).
8. battery modules according to claim 1-7, which is characterized in that set above the single battery (1)
It is equipped with cover board (7), the both ends of the cover board (7) are connected to two end plates (4).
9. battery modules according to claim 8, which is characterized in that be provided with support column on each end plate (4)
(47), the support column (47) in axial direction offers jack, is provided with and is inserted into the jack on the cover board (7)
Inserting column (71).
10. battery modules according to claim 8, which is characterized in that be additionally provided on the cover board (7) low for placing
Press the collecting tank (72) of communication interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920210663.4U CN209418597U (en) | 2019-02-19 | 2019-02-19 | A kind of battery modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920210663.4U CN209418597U (en) | 2019-02-19 | 2019-02-19 | A kind of battery modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209418597U true CN209418597U (en) | 2019-09-20 |
Family
ID=67943017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920210663.4U Active CN209418597U (en) | 2019-02-19 | 2019-02-19 | A kind of battery modules |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209418597U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111785872A (en) * | 2020-06-05 | 2020-10-16 | 银隆新能源股份有限公司 | Battery module |
| CN113921979A (en) * | 2021-09-10 | 2022-01-11 | 东风时代(武汉)电池系统有限公司 | Battery module and battery package |
-
2019
- 2019-02-19 CN CN201920210663.4U patent/CN209418597U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111785872A (en) * | 2020-06-05 | 2020-10-16 | 银隆新能源股份有限公司 | Battery module |
| CN111785872B (en) * | 2020-06-05 | 2023-08-11 | 银隆新能源股份有限公司 | Battery module |
| CN113921979A (en) * | 2021-09-10 | 2022-01-11 | 东风时代(武汉)电池系统有限公司 | Battery module and battery package |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20220119 Address after: 215500 room 808, No. 1, Southeast Avenue, Changshu high tech Industrial Development Zone, Changshu, Suzhou, Jiangsu Patentee after: Jiangsu Zhengli new energy battery technology Co.,Ltd. Address before: 210000 249 Lantian Road, Airport Economic Development Zone, Jiangning District, Nanjing City, Jiangsu Province Patentee before: JIANGSU TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: DONGGUAN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: SHENZHEN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. |