CN205921012U - Battery pack - Google Patents
Battery pack Download PDFInfo
- Publication number
- CN205921012U CN205921012U CN201620865464.3U CN201620865464U CN205921012U CN 205921012 U CN205921012 U CN 205921012U CN 201620865464 U CN201620865464 U CN 201620865464U CN 205921012 U CN205921012 U CN 205921012U
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- China
- Prior art keywords
- plate
- battery
- end plate
- connection strap
- fixedly connected
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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 relates to a battery technical field especially relates to a battery pack, and it includes shell and battery module, the shell includes U -shaped upper cover, first end plate and second end plate, the U -shaped upper cover with first end plate with the equal fixed connection of second end plate, the battery module is located first end plate with between the second end plate, first end plate with in the second end plate at least one is compound end plate, compound end plate includes outer metal sheet and inlayer insulation board, outer metal sheet with inlayer insulation board fixed connection, just the inlayer insulation board is located outer metal sheet with between the battery module. Outer metal sheet can guarantee that the end plate has higher structural strength, and the insulating nature between end plate and the battery module then can be guaranteed to the inlayer insulation board. Consequently, this battery pack's structural strength is higher.
Description
Technical field
The application is related to battery structure technical field, more particularly, to a kind of battery bag.
Background technology
Battery bag is dynamic origin the more commonly used at present, and with the continuous lifting of energy demand, battery bag is because of itself
The energy that can provide is larger and has obtained increasingly being widely applied.
Traditional battery bag mainly includes shell and the battery modules being installed on inside the shell, comprises a pair of end in this shell
Plate, this end plate generally adopts plastic end panel, ensures the insulating properties between battery core and this plastic end panel with this.However, due to plastics
The structural strength of end plate is low, under the influence of the factors such as battery core expansive force, vibration, the other parts of plastic end panel and battery it
Between connection easily lost efficacy, lead to the structural strength of battery bag low.
Utility model content
This application provides a kind of battery bag, the structural strength of this battery bag is higher.
The battery bag that the application provides includes shell and battery modules, and described shell includes in u shape lid, first end plate and the
Two end plates, in described u shape, lid is fixedly connected with described first end plate and described second end plate, and described battery modules are located at described
Between first end plate and described second end plate, at least one of described first end plate and described second end plate are battery stack composite end sheet,
Described battery stack composite end sheet includes outer metal plates and primary insulation plate, and described outer metal plates and described primary insulation plate are fixing even
Connect, and described primary insulation plate is located between described outer metal plates and described battery modules.
Preferably, described battery stack composite end sheet also includes metal connecting piece, and described outer metal plates pass through described metal connecting piece
It is fixedly connected with described primary insulation plate.
Preferably, described metal connecting piece includes the first connection strap and the second connection strap, described first connection strap and described
Second connection strap is respectively arranged at the opposite sides of described outer metal plates.
Preferably, described primary insulation plate opens up the first locating slot and the second locating slot, described first connection strap and institute
State the second connection strap difference location fit in described first locating slot and described second locating slot.
Preferably, described first connection strap and described second connection strap are oppositely arranged.
Preferably, in described first connection strap and described second connection strap, at least one deviates from the outer peripheral face of another one
With the edge flush of described outer metal plates, in described u shape, lid includes the first plate, the top board and second being fixedly connected sequentially
Plate, described first plate and described second plate are positioned opposite, the outer peripheral face of described first connection strap and described first plate and described outer
Layer metallic plate is fixedly connected with, and/or, the outer peripheral face of described second connection strap is equal with described second plate and described outer metal plates
It is fixedly connected.
Preferably, described shell also includes bar shaped bottom plate, and the opposite end of described bar shaped bottom plate covers with described u shape respectively
Opposite sides be fixedly connected.
Preferably, described u shape covers the edge fixing with described bar shaped bottom plate phase and open up fixing groove, described bar shaped bottom
The end of plate is bending end, and the end of described bending end is located in described fixing groove.
Preferably, also include buckle structure, described buckle structure is arranged at described battery modules and described primary insulation plate
One of on, described battery modules are fixedly connected with described primary insulation plate by described buckle structure.
Preferably, described battery modules include multiple battery core units, described battery core unit include battery core, the first fixed mount and
Second fixed mount, described first fixed mount and described second fixed mount clamping are to form battery core located space, and both sides
It is fixedly connected with described first end plate, opposite side is fixedly connected with described second end plate, described battery core is located at described battery core positioning
In space.
The technical scheme that the application provides can reach following beneficial effect:
In battery bag provided herein, at least one of first end plate and the second end plate are battery stack composite end sheet, and are somebody's turn to do
Battery stack composite end sheet then includes outer metal plates and primary insulation plate, and it is strong that outer metal plates can ensure that end plate has higher structure
Degree, primary insulation plate then can ensure the insulating properties between end plate and battery modules.Therefore, the structural strength of this battery bag is higher.
It should be appreciated that above general description and detailed description hereinafter are only exemplary, can not be limited this
Application.
Brief description
The explosive view of the battery bag that Fig. 1 is provided by the embodiment of the present application；
The explosive view of the first end plate that Fig. 2 is provided by the embodiment of the present application；
Another explosive view of the first end plate that Fig. 3 is provided by the embodiment of the present application；
The structural representation of lid in the u shape that Fig. 4 is provided by the embodiment of the present application；
The explosive view of the battery core unit that Fig. 5 is provided by the embodiment of the present application.
Reference:
10- first end plate；
100- outer metal plates；
101- primary insulation plate；
102- metal connecting piece；
102a- first connection strap；
102b- second connection strap；
11- second end plate；
Cover in 12-u shape；
120- first plate；
121- top board；
122- second plate；
122a- fixing groove；
13- bar shaped bottom plate；
20- battery modules；
200- battery core；
201- first fixed mount；
202- second fixed mount.
Accompanying drawing herein is merged in description and constitutes the part of this specification, shows the enforcement meeting the application
Example, and be used for explaining the principle of the application together with description.
Specific embodiment
Below by specific embodiment and combine accompanying drawing the application is described in further detail.
As Figure 1-5, the embodiment of the present application provides a kind of battery bag, and it includes shell and battery modules 20, and this is outer
Shell includes lid 12, first end plate 10 and the second end plate 11 in u shape, and in u shape, lid 12 is all solid with first end plate 10 and the second end plate 11
Fixed connection, so that the structural strength of shell is higher, also can improve the packaging efficiency of battery bag simultaneously.Battery modules 20 are located at
Between first end plate 10 and the second end plate 11, at least one of first end plate 10 and the second end plate 11 are battery stack composite end sheet, and this is multiple
Close end plate and include outer metal plates and primary insulation plate, this outer metal plates is fixedly connected with primary insulation plate, and primary insulation
Plate is located between outer metal plates and battery modules 20.Outer metal plates can adopt steel plate, and primary insulation plate can adopt and mould
Flitch.
Above-mentioned outer metal plates can ensure that end plate has higher structural strength, primary insulation plate then can ensure end plate with
Insulating properties between battery modules 20.Therefore, this battery bag makes itself structural strength higher by outer metal plates.
Specifically, when first end plate 10 is different with the active force that the second end plate 11 is subject to, or make because of other factors
Both other parts with shell connect the probability occurring losing efficacy unequal when, can be only by first end plate 10 and the second end
It is easier in plate 11 one of loss of connectivity issue occurs to be set to battery stack composite end sheet.But, in order to better ensure that whole battery
First end plate 10 and the second end plate 11 can be disposed as battery stack composite end sheet by the structural intergrity of bag.As shown in Figures 2 and 3, first
End plate 10 adopts battery stack composite end sheet, and it includes outer metal plates 100 and primary insulation plate 101.
Further, aforementioned battery stack composite end sheet may also include metal connecting piece, outer metal plates pass through this metal connecting piece with
Primary insulation plate is fixedly connected.As shown in Figures 2 and 3, adopted as a example battery stack composite end sheet by first end plate 10, this first end plate 10 also may be used
Including metal connecting piece 102 so that outer metal plates 100 are fixedly connected with primary insulation plate 101 by metal connecting piece 102.
Because outer metal plates are generally relatively thin, it is not easy to carry out with the fixing operation of other parts, and after metal connecting piece is set, should
Metal connecting piece can be fixedly connected with outer metal plates first, is then fixedly connected metal connecting piece with other parts again,
Being fixedly connected of metal connecting piece and other parts is realized with this.Therefore, this technical scheme can simplify outer metal plates
Installation operation.
In order to strengthen above-mentioned technique effect, metal connecting piece may include the first connection strap and the second connection strap, this first company
Narrow bars and the second connection strap are respectively arranged at the opposite sides of outer metal plates.As shown in figure 3, the metal of first end plate 10 connects
Part 102 may include the first connection strap 102a and the second connection strap 102b.First connection strap and the second connection strap be common and other portions
Part phase is fixed, and provides larger fixed-area with this.Meanwhile, the first connection strap and the second connection strap are respectively arranged at outer layer metal
The opposite sides of plate, can improve the stability maintenance between outer metal plates and other parts.
It is to be appreciated that the relative position between above-mentioned first connection strap and the second connection strap can flexibly be arranged, in order to
Make outer metal plates more stable after being connected with other parts, the first connection strap and the second connection strap can be oppositely arranged.Separately
Outward, primary insulation plate can open up the first locating slot and the second locating slot, the first connection strap and the second connection strap position respectively
Be matched with the first locating slot and the second locating slot, in order to assemble end plate when rapidly by metal connecting piece and primary insulation
Plate phase positions.
Specifically, as shown in figure 4, covering 12 in above-mentioned u shape to may include the first plate 120 being fixedly connected sequentially, top board 121 and
Second plate 122, the first plate 120 and the second plate 122 are positioned opposite.And in the first connection strap and the second connection strap, at least one back of the body
From the outer peripheral face of another one and the edge flush of outer metal plates, so that the outer peripheral face of the first connection strap can be with the first plate
120 and outer metal plates be fixedly connected with, and/or, the outer peripheral face of the second connection strap is all solid with the second plate 122 and outer metal plates
Fixed connection.This embodiment is by the first plate 120 and the second plate 122 directly outer peripheral face with the first connection strap and/or the second connection strap
Mutually fix, the fixed-area between lid 12 in battery stack composite end sheet and u shape is increased with this, and then improves fixing intensity between the two.
Alternatively, the first connection strap and the second connection strap all can adopt prism structure, with this increase further in end plate and u shape lid 12 it
Between fixed-area.
Previously mentioned, shell generally includes base plate, and for the structure of this base plate, the embodiment of the present application can be improved as follows:
This base plate adopts bar shaped bottom plate 13, and the opposite end of this bar shaped bottom plate 13 is fixedly connected with the opposite sides of lid 12 in u shape respectively.
After bar shaped bottom plate 13, this bar shaped bottom plate 13 not only can ensure that itself forms reliable framework with the other parts of shell
Structure, limits the position of battery modules 20 additionally it is possible to reduce the weight of whole battery bag with this.Alternatively, this bar shaped bottom plate 13
Quantity at least one, each bar shaped bottom plate 13 arranged for interval.
Usually, above-mentioned bar shaped bottom plate 13 is only relied on the end of itself and is fixed with lid in u shape 12, in such cases, in order to
Increase the active area between lid 12 in bar shaped bottom plate 13 and u shape, the side mutually fixed with bar shaped bottom plate 13 on 12 can be covered on u shape
Fixing groove is opened up, the end of bar shaped bottom plate 13 is bending end, and the end of this bending end is located in fixing groove at edge.As shown in figure 4,
U shape opens up fixing groove 122a on the second plate 122 of lid.First, the end of bar shaped bottom plate 13 is set to bending end, this bending
The surface at end can be fitted with the cell wall of fixing groove, suitably increases the contact area between covering in this bending end and u shape with this.
Secondly, the bending end of bar shaped bottom plate 13 is positioned in fixing groove, this bending end can also be accommodated by fixing groove, prevent from bending
After end is protruded with respect to the surface of lid 12 in u shape, the easy problem being collided with other parts is occurred.
In another kind of embodiment, the battery bag that the application provides can also include buckle structure, and this buckle structure is arranged at
In one of battery modules 20 and primary insulation plate, it is fixing with primary insulation plate even that battery modules 20 pass through this buckle structure
Connect.Because buckle structure can simplify the installation operation between battery modules 20 and primary insulation plate, therefore this embodiment is permissible
Improve the efficiency of assembling of whole battery bag.
In order to improve the efficiency of assembling of battery bag further, battery modules 20 may include multiple battery core units, as Fig. 5 institute
Show, this battery core unit includes battery core 200, the first fixed mount 201 and the second fixed mount 202, the first fixed mount 201 and second is fixing
Frame 202 clamping is to form battery core located space, and both sides are fixedly connected with first end plate 10, opposite side and the second end plate
11 are fixedly connected, and battery core 200 is located in aforementioned battery core located space.Due to the first fixed mount 201 and the second fixed mount 202 clamping
Form battery core located space afterwards, the efficiency of assembling of therefore battery core unit is higher, reaches object defined above with this.
It should be noted that herein " on ", " top ", the noun of locality such as " side " all with state shown in figure as reference.
The foregoing is only the preferred embodiment of the application, be not limited to the application, for the skill of this area
For art personnel, the application can have various modifications and variations.All within spirit herein and principle, made any repair
Change, equivalent, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of battery bag is it is characterised in that include shell and battery modules, described shell include lid in u shape, first end plate and
Second end plate, in described u shape, lid is fixedly connected with described first end plate and described second end plate, and described battery modules are located at institute
State between first end plate and described second end plate, at least one of described first end plate and described second end plate are compound end
Plate, described battery stack composite end sheet includes outer metal plates and primary insulation plate, and described outer metal plates and described primary insulation plate are fixed
Connect, and described primary insulation plate is located between described outer metal plates and described battery modules.
2. battery bag according to claim 1 is it is characterised in that described battery stack composite end sheet also includes metal connecting piece, described
Outer metal plates are fixedly connected with described primary insulation plate by described metal connecting piece.
3. battery bag according to claim 2 is it is characterised in that described metal connecting piece includes the first connection strap and second
Connection strap, described first connection strap and described second connection strap are respectively arranged at the opposite sides of described outer metal plates.
4. battery bag according to claim 3 is it is characterised in that open up the first locating slot and on described primary insulation plate
Two locating slots, described first connection strap and described second connection strap difference location fit are in described first locating slot and described second
In locating slot.
5. battery bag according to claim 3 is it is characterised in that described first connection strap is relative with described second connection strap
Setting.
6. battery bag according to claim 5 is it is characterised in that in described first connection strap and described second connection strap,
The outer peripheral face of another one and the edge flush of described outer metal plates are deviated from least one, in described u shape, lid is included successively
The first plate, top board and the second plate being fixedly connected, described first plate and described second plate are positioned opposite, described first connection strap
Outer peripheral face is fixedly connected with described first plate and described outer metal plates, and/or, the outer peripheral face of described second connection strap and institute
State the second plate and described outer metal plates are fixedly connected with.
7. battery bag according to claim 1 is it is characterised in that described shell also includes bar shaped bottom plate, described bar shaped bottom
The opposite end of plate is fixedly connected with the opposite sides of lid in described u shape respectively.
8. battery bag according to claim 7 is fixed it is characterised in that covering in described u shape with described bar shaped bottom plate phase
Edge open up fixing groove, the end of described bar shaped bottom plate is bending end, and the end of described bending end is located at described fixing groove
Interior.
9. the battery bag according to any one of claim 1-8 is it is characterised in that also include buckle structure, described buckle
In one of described battery modules and described primary insulation plate, described battery modules pass through described buckle structure to structure setting
It is fixedly connected with described primary insulation plate.
10. the battery bag according to any one of claim 1-8 is it is characterised in that described battery modules include multiple electricity
Core unit, described battery core unit includes battery core, the first fixed mount and the second fixed mount, and described first fixed mount and described second is admittedly
Determine frame clamping to form battery core located space, and both sides are fixedly connected with described first end plate, opposite side and described the
Two end plates are fixedly connected, and described battery core is located in described battery core located space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620865464.3U CN205921012U (en) | 2016-08-11 | 2016-08-11 | Battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620865464.3U CN205921012U (en) | 2016-08-11 | 2016-08-11 | Battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205921012U true CN205921012U (en) | 2017-02-01 |
Family
ID=57870619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620865464.3U Active CN205921012U (en) | 2016-08-11 | 2016-08-11 | Battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205921012U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099001A (en) * | 2016-08-11 | 2016-11-09 | 宁德时代新能源科技股份有限公司 | Battery pack |
| JP2022522458A (en) * | 2019-10-25 | 2022-04-19 | エルジー エナジー ソリューション リミテッド | Battery module and battery pack containing it |
-
2016
- 2016-08-11 CN CN201620865464.3U patent/CN205921012U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099001A (en) * | 2016-08-11 | 2016-11-09 | 宁德时代新能源科技股份有限公司 | Battery pack |
| JP2022522458A (en) * | 2019-10-25 | 2022-04-19 | エルジー エナジー ソリューション リミテッド | Battery module and battery pack containing it |
| JP7276996B2 (en) | 2019-10-25 | 2023-05-18 | エルジー エナジー ソリューション リミテッド | Battery module and battery pack containing same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |