CN106099001A - Battery pack - Google Patents
Battery pack Download PDFInfo
- Publication number
- CN106099001A CN106099001A CN201610652861.7A CN201610652861A CN106099001A CN 106099001 A CN106099001 A CN 106099001A CN 201610652861 A CN201610652861 A CN 201610652861A CN 106099001 A CN106099001 A CN 106099001A
- Authority
- CN
- China
- Prior art keywords
- plate
- battery
- end plate
- connection strap
- outer metal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model relates to a battery structure 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 at least one of second end plate is composite end plate, composite 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. The outer metal sheet can guarantee that the end plate has higher structural strength, and the insulating nature between end plate and the battery module can then be guaranteed to the inlayer insulation board. Therefore, the structural strength of the battery pack is high.
Description
Technical field
The application relates to battery structure technical field, particularly relates to a kind of battery bag.
Background technology
Battery bag is the most the more commonly used dynamic origin, and along with the continuous lifting of energy demand, battery bag is because of self
The energy that can provide is relatively big and has obtained increasingly being widely applied.
Traditional battery bag mainly includes shell and the battery modules being installed in shell, comprises pair of end in this shell
Plate, this end plate generally uses plastic end panel, ensures the insulating properties between battery core and this plastic end panel with this.But, due to plastics
The structural strength of end plate is on the low side, under the influence of the factors such as battery core expansive force, vibration, other parts of plastic end panel and battery it
Between connection easily lost efficacy, the structural strength causing battery bag is on the low side.
Summary of the invention
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 that shell and battery modules, described shell include U-shaped upper cover, the first end plate and the
Two end plates, described U-shaped upper cover is fixedly connected with described first end plate and described second end plate, and described battery modules is positioned at described
Between first end plate and described second end plate, at least one in described first end plate and described second end plate is battery stack composite end sheet,
Described battery stack composite end sheet includes that outer metal plates and primary insulation plate, described outer metal plates and described primary insulation plate are fixing even
Connect, and described primary insulation plate is 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 passes through described metal connecting piece
Fix with described primary insulation plate and be connected.
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 is offered the first locating slot and the second locating slot, described first connection strap and institute
State the second connection strap location fit respectively 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, described U-shaped upper cover includes the first plate, 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 outside
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
Fixing connection.
Preferably, described shell also includes bar shaped bottom plate, the opposite end of described bar shaped bottom plate respectively with described U-shaped upper cover
Opposite sides fixing connect.
Preferably, described U-shaped covers the edge fixed with described bar shaped bottom plate and offer fixing groove, at the bottom of described bar shaped
The end of plate is bending end, and the end of described bending end is positioned at described fixing groove.
Preferably, also include that buckle structure, described buckle structure are arranged at described battery modules and described primary insulation plate
In one on, described battery modules is fixed by described buckle structure and described primary insulation plate and is connected.
Preferably, described battery modules include multiple battery core unit, 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
Fixing with described first end plate and be connected, opposite side is fixing with described second end plate to be connected, and described battery core is positioned at described battery core location
In space.
The technical scheme that the application provides can reach following beneficial effect:
In battery bag provided herein, at least one in the first end plate and the second end plate is battery stack composite end sheet, and is 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 it is only exemplary that above general description and details hereinafter describe, can not be limited this
Application.
Accompanying drawing explanation
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 the U-shaped upper cover 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-the first end plate；
100-outer metal plates；
101-primary insulation plate；
102-metal connecting piece；
102a-the first connection strap；
102b-the second connection strap；
11-the second end plate；
12-U shape upper cover；
120-the first plate；
121-top board；
122-the second plate；
122a-fixes groove；
13-bar shaped bottom plate；
20-battery modules；
200-battery core；
201-the first fixed mount；
202-the second fixed mount.
Accompanying drawing herein is merged in description and constitutes the part of this specification, it is shown that meet the enforcement of the application
Example, and for explaining the principle of the application together with description.
Detailed description of the invention
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 U-shaped upper cover the 12, first end plate 10 and the second end plate 11, and U-shaped upper cover 12 is the most solid with the first end plate 10 and the second end plate 11
Fixed connection, so that the structural strength of shell is higher, also is able to improve the packaging efficiency of battery bag simultaneously.Battery modules 20 is positioned at
Between first end plate 10 and the second end plate 11, at least one in the first end plate 10 and the second end plate 11 is battery stack composite end sheet, and this is multiple
Close end plate and include the fixing connection of outer metal plates and primary insulation plate, this outer metal plates and primary insulation plate, and primary insulation
Plate is between outer metal plates and battery modules 20.Outer metal plates can use steel plate, primary insulation plate can use 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 self structural strength higher by outer metal plates.
Specifically, when the 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 time, can be only by the first end plate 10 and the second end
Plate 11 being easier to occur, the one of loss of connectivity issue is set to battery stack composite end sheet.But, in order to better ensure that whole battery
The structural intergrity of bag, can be disposed as battery stack composite end sheet by the first end plate 10 and the second end plate 11.As shown in Figures 2 and 3, first
End plate 10 uses 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 by this metal connecting piece with
Primary insulation plate is fixing to be connected.As shown in Figures 2 and 3, as a example by the first end plate 10 uses battery stack composite end sheet, this first end plate 10 also may be used
Including metal connecting piece 102 so that outer metal plates 100 is connected by metal connecting piece 102 is fixing with primary insulation plate 101.
Owing to outer metal plates is the most 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 first fixing with outer metal plates be connected, and is connected fixing to metal connecting piece and other parts the most again,
Realize metal connecting piece with this to be connected with the fixing of other parts.Therefore, this technical scheme can simplify outer metal plates
Installation operation.
In order to strengthen above-mentioned technique effect, metal connecting piece can include the first connection strap and the second connection strap, this first company
Connect bar and the second connection strap is respectively arranged at the opposite sides of outer metal plates.As it is shown on figure 3, the metal of the first end plate 10 connects
Part 102 can 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 fixes, and provides bigger 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 be arranged flexibly, in order to
After making outer metal plates be connected with other parts more stable, the first connection strap and the second connection strap can be oppositely arranged.Separately
Outward, primary insulation plate can be offered the first locating slot and the second locating slot, the first connection strap and the second connection strap to position respectively
It is matched with in the first locating slot and the second locating slot, in order to when assembling end plate rapidly by metal connecting piece and primary insulation
Plate positions mutually.
Specifically, as shown in Figure 4, above-mentioned U-shaped upper cover 12 can include the first plate 120, top board 121 and being fixedly connected sequentially
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 is carried on the back
From outer peripheral face and the edge flush of outer metal plates of another one, 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 and the second plate 122 and outer metal plates are the most solid
Fixed connection.This embodiment is by the first plate 120 and the second plate 122 is direct and the first connection strap and/or the outer peripheral face of the second connection strap
Fix, increase the fixed-area between battery stack composite end sheet and U-shaped upper cover 12 with this, and then improve fixing intensity between the two.
Alternatively, the first connection strap and the second connection strap all can use prism structure, increase further with this end plate and U-shaped upper cover 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 uses bar shaped bottom plate 13, and the opposite end of this bar shaped bottom plate 13 is fixing with the opposite sides of U-shaped upper cover 12 respectively to be connected.
After using bar shaped bottom plate 13, this bar shaped bottom plate 13 is possible not only to ensure that self forms reliable framework with other parts of shell
Structure, limits the position of battery modules 20 with this, additionally it is possible to reduce the weight of whole battery bag.Alternatively, this bar shaped bottom plate 13
Quantity be at least one, each bar shaped bottom plate 13 interval arrange.
Usually, above-mentioned bar shaped bottom plate 13 only relies on the end of self and fixes with U-shaped upper cover 12, in such cases, in order to
Increase the active area between bar shaped bottom plate 13 and U-shaped upper cover 12, the limit that can fix on U-shaped upper cover 12 with bar shaped bottom plate 13
Offering fixing groove at edge, the end of bar shaped bottom plate 13 is bending end, and the end of this bending end is positioned at fixing groove.As shown in Figure 4,
Second plate 122 of U-shaped upper cover is offered fixing groove 122a.First, the end of bar shaped bottom plate 13 is set to bending end, this bending
The surface of end can fit with the cell wall of fixing groove, suitably increases the contact area between this bending end and U-shaped upper cover with this.
Secondly, the bending end of bar shaped bottom plate 13 is positioned in fixing groove, it is also possible to accommodate this bending end by fixing groove, prevents bending
Hold after protruding relative to the surface of U-shaped upper cover 12, the problem occurring easily colliding with other parts.
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 in battery modules 20 and primary insulation plate, battery modules 20 is fixing even by this buckle structure and primary insulation plate
Connect.Owing to 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 can include multiple battery core unit, such as Fig. 5 institute
Showing, this battery core unit includes that battery core the 200, first fixed mount 201 and the second fixed mount 202, the first fixed mount 201 and second are fixed
Frame 202 clamping is to form battery core located space, and both sides are fixed with the first end plate 10 and are connected, opposite side and the second end plate
11 fixing connections, battery core 200 is positioned in aforementioned battery core located space.Due to the first fixed mount 201 and the second fixed mount 202 clamping
Rear formation battery core located space, therefore the efficiency of assembling of 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 " is all with state shown in scheming 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, that is made any repaiies
Change, equivalent, improvement etc., within should be included in the protection domain of the application.
Claims (10)
1. a battery bag, it is characterised in that include shell and battery modules, described shell include U-shaped upper cover, the first end plate and
Second end plate, described U-shaped upper cover is fixedly connected with described first end plate and described second end plate, and described battery modules is positioned at institute
Stating between the first end plate and described second end plate, at least one in described first end plate and described second end plate is compound end
Plate, described battery stack composite end sheet includes that outer metal plates and primary insulation plate, described outer metal plates and described primary insulation plate are fixed
Connect, and described primary insulation plate is between described outer metal plates and described battery modules.
Battery bag the most according to claim 1, it is characterised in that described battery stack composite end sheet also includes metal connecting piece, described
Outer metal plates is connected by described metal connecting piece and described primary insulation plate are fixing.
Battery bag the most according to claim 2, 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.
Battery bag the most according to claim 3, it is characterised in that offer the first locating slot and on described primary insulation plate
Two locating slots, described first connection strap and described second connection strap location fit respectively are in described first locating slot and described second
In locating slot.
Battery the most according to claim 3, it is characterised in that described first connection strap is relative with described second connection strap to be set
Put.
Battery bag the most according to claim 5, it is characterised in that in described first connection strap and described second connection strap,
Deviating from the outer peripheral face of another one and the edge flush of described outer metal plates at least one, described U-shaped upper cover includes successively
Fixing the first plate, top board and the second plate 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 is fixedly connected with.
Battery bag the most according to claim 1, it is characterised in that described shell also includes bar shaped bottom plate, at the bottom of described bar shaped
The opposite end of plate is fixing with the opposite sides of described U-shaped upper cover respectively to be connected.
Battery bag the most according to claim 7, it is characterised in that cover on described U-shaped and fix with described bar shaped bottom plate
Edge offer fixing groove, the end of described bar shaped bottom plate is bending end, and the end of described bending end is positioned at described fixing groove
In.
9. according to the battery bag according to any one of claim 1-8, it is characterised in that also include buckle structure, described buckle
Structure is arranged in the one in described battery modules and described primary insulation plate, and described battery modules passes through described buckle structure
Fix with described primary insulation plate and be connected.
10. according to the battery bag according to any one of claim 1-8, it is characterised in that described battery modules includes 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 fixing with described first end plate is connected, opposite side and described the
Two end plates are fixing to be connected, and described battery core is positioned in described battery core located space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610652861.7A CN106099001A (en) | 2016-08-11 | 2016-08-11 | Battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610652861.7A CN106099001A (en) | 2016-08-11 | 2016-08-11 | Battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106099001A true CN106099001A (en) | 2016-11-09 |
Family
ID=57456592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610652861.7A Pending CN106099001A (en) | 2016-08-11 | 2016-08-11 | Battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106099001A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193019A (en) * | 2018-09-11 | 2019-01-11 | 合肥国轩高科动力能源有限公司 | Soft package module structure of battery |
| CN109728219A (en) * | 2018-12-29 | 2019-05-07 | 蜂巢能源科技有限公司 | The battery pack of vehicle |
| CN112909395A (en) * | 2021-01-21 | 2021-06-04 | 上海兰钧新能源科技有限公司 | Battery module frame, battery module, power battery and car |
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| CN103109392A (en) * | 2010-08-31 | 2013-05-15 | 丰田自动车株式会社 | Electricity storage device |
| CN204271149U (en) * | 2014-10-10 | 2015-04-15 | 宁德时代新能源科技有限公司 | A kind of end plate of composite construction and comprise the battery modules of this end plate |
| CN204441361U (en) * | 2015-04-08 | 2015-07-01 | 天津力神电池股份有限公司 | A kind of lithium iron battery energy-storage module integrated box body mechanism |
| CN204809283U (en) * | 2015-07-08 | 2015-11-25 | 宁德时代新能源科技有限公司 | Battery module |
| CN105811496A (en) * | 2016-03-03 | 2016-07-27 | 深圳市汇业电子有限公司 | Power smart lithium battery based on outdoor emergency operation and remote control |
| CN205921012U (en) * | 2016-08-11 | 2017-02-01 | 宁德时代新能源科技股份有限公司 | Battery pack |
-
2016
- 2016-08-11 CN CN201610652861.7A patent/CN106099001A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103109392A (en) * | 2010-08-31 | 2013-05-15 | 丰田自动车株式会社 | Electricity storage device |
| CN204271149U (en) * | 2014-10-10 | 2015-04-15 | 宁德时代新能源科技有限公司 | A kind of end plate of composite construction and comprise the battery modules of this end plate |
| CN204441361U (en) * | 2015-04-08 | 2015-07-01 | 天津力神电池股份有限公司 | A kind of lithium iron battery energy-storage module integrated box body mechanism |
| CN204809283U (en) * | 2015-07-08 | 2015-11-25 | 宁德时代新能源科技有限公司 | Battery module |
| CN105811496A (en) * | 2016-03-03 | 2016-07-27 | 深圳市汇业电子有限公司 | Power smart lithium battery based on outdoor emergency operation and remote control |
| CN205921012U (en) * | 2016-08-11 | 2017-02-01 | 宁德时代新能源科技股份有限公司 | Battery pack |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193019A (en) * | 2018-09-11 | 2019-01-11 | 合肥国轩高科动力能源有限公司 | Soft package module structure of battery |
| CN109728219A (en) * | 2018-12-29 | 2019-05-07 | 蜂巢能源科技有限公司 | The battery pack of vehicle |
| CN109728219B (en) * | 2018-12-29 | 2021-12-17 | 蜂巢能源科技有限公司 | Battery pack for vehicle |
| CN112909395A (en) * | 2021-01-21 | 2021-06-04 | 上海兰钧新能源科技有限公司 | Battery module frame, battery module, power battery and car |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161109 |
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| RJ01 | Rejection of invention patent application after publication |