CN106159381B - battery module - Google Patents
battery module Download PDFInfo
- Publication number
- CN106159381B CN106159381B CN201610654483.6A CN201610654483A CN106159381B CN 106159381 B CN106159381 B CN 106159381B CN 201610654483 A CN201610654483 A CN 201610654483A CN 106159381 B CN106159381 B CN 106159381B
- Authority
- CN
- China
- Prior art keywords
- fixed frame
- battery core
- protrusion
- core unit
- clamping
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/647—Prismatic or flat cells, e.g. pouch cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding
-
- 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
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The utility model relates to an energy storage technical field especially relates to a battery module, and it includes the fixed frame of first fixed frame, second, electric core unit and heat insulating mattress, first fixed frame with the fixed frame mutual disposition of second, electric core unit is two at least, every the relative both sides of electric core unit equally divide do not with first fixed frame with the fixed frame fixed connection of second, so that each electric core unit superposes in proper order, and at least two are adjacent set up between the electric core unit the heat insulating mattress, the extension face of heat insulating mattress with the extension face of electric core unit is relative. The heat insulating pad can separate heat transfer between the cell units, so that the cell units are prevented from being influenced by each other due to heat, and the heat in the battery module is not easy to exceed a limit value. Therefore, the safety of the battery module is high.
Description
Technical field
This application involves energy storing structure technical field more particularly to a kind of battery modules.
Background technique
Battery modules are a kind of more commonly used energy storing structures, and the battery modules in traditional technology mainly include multiple battery cores
Unit, each battery core unit are arranged successively.However, when battery modules work, if there is asking for thermal runaway in a other battery core unit
Topic then leads to other electricity then the heat generated on these battery core units will be quickly transferred on other battery core units
Core unit generates more heats, and the heat generated in entire battery modules is caused to be easy to go beyond the limit of value, therefore the battery mould
The safety of group is poor.
Summary of the invention
This application provides a kind of battery modules, to improve the safety of battery modules.
Battery modules provided by the present application include the first fixed frame, the second fixed frame, battery core unit and heat insulating mattress, and described the
One fixed frame and second fixed frame are positioned opposite, the battery core unit at least two, the phase of each battery core unit
Two sides are fixedly connected with first fixed frame and second fixed frame respectively, so that each battery core unit is successively folded
It sets, the heat insulating mattress, the extended surface of the heat insulating mattress and the battery core is set between at least two adjacent battery core units
The extended surface of unit is opposite.
Preferably, the edge of the heat insulating mattress extends to the edge of the battery core unit.
Preferably, the battery core unit includes the first fixed frame, the second fixed frame and battery core, and the battery core is at least two
A, each battery core, which is sequentially stacked, to be installed between first fixed frame and second fixed frame, first fixed frame
It is oppositely arranged with second fixed frame along the arragement direction of each battery core, and first fixed frame and described second is consolidated
Determine frame clamping.
Preferably, at least one of first fixed frame and second fixed frame are annular hollow frame, the electricity
The edge of core is connected with the annular hollow frame, and the hollow space of the annular hollow frame is exposed in the middle part of the battery core.
Preferably, the battery core unit and at least one of first fixed frame and second fixed frame are clamped.
Preferably, the battery core unit further include clamping protrusion, the clamping protrusion be set to first fixed frame with
On at least one of described second fixed frame, opened up at least one of first fixed frame and second fixed frame
Clamping groove, the clamping protrusion and the clamping groove are engaged by clamping.
Preferably, guide groove, the electricity are opened up at least one of first fixed frame and second fixed frame
Core unit further includes guiding protrusion, the upper setting guiding of at least one of first fixed frame and second fixed frame
Protrusion；
The extending direction of the guiding protrusion and the guide groove is that the first fixed frame direction described second is fixed
The direction of frame, at the end of travel of guiding protrusion sliding formation opposite with the guide groove, the clamping protrusion and institute
State clamping groove clamping engagement.
Preferably, the clamping protrusion includes the first protrusion and the second protrusion, and first protrusion is fixed on described first
On fixed frame, second protrusion is fixed on second fixed frame, and first protrusion and second protrusion are spliced,
First protrusion and second protrusion are engaged by clamping with the clamping groove jointly.
Preferably, further include two side plates, the opposite sides of each side plate respectively with first fixed frame and
Second fixed frame is fixedly connected, and to form annular frame, is formed inside the annular frame and is accommodated the battery core unit
Space.
Preferably, further include buffering felt pad, the battery core unit adjacent with the side plate be edge battery core unit, at least one
The buffering heat insulating mattress is set between a side plate and the edge battery core unit.
Technical solution provided by the present application can achieve it is following the utility model has the advantages that
Heat insulating mattress is arranged between adjacent battery core unit in battery modules provided herein, which can obstruct
Heat transfer between battery core unit prevents from affecting one another between each battery core unit because of heat, so that in battery modules with this
Heat be not easy to go beyond the limit of value.So the safety of the battery modules is higher.
It should be understood that the above general description and the following detailed description are merely exemplary, this can not be limited
Application.
Detailed description of the invention
Fig. 1 is the partial structure diagram of battery modules provided by the embodiment of the present application；
Fig. 2 is the part A enlarged drawing in Fig. 1；
Fig. 3 is another part structural schematic diagram of battery modules provided by the embodiment of the present application；
Fig. 4 is the explosive view of battery core unit provided by the embodiment of the present application；
Fig. 5 is the stacked schematic diagram of multiple battery core units provided by the embodiment of the present application；
Fig. 6 is the installation diagram of multiple battery core units and harness isolation board provided by the embodiment of the present application.
Appended drawing reference:
The first fixed frame of 10-；
The second fixed frame of 11-；
12- battery core unit；
The first fixed frame of 120-；
The second fixed frame of 121-；
122- battery core；
123-U shape connection sheet；
124- heat sink；
124a- entity plate；
124b- bending edge；
125- is clamped protrusion；
The first protrusion 125a-；
The second protrusion 125b-；
126- is oriented to protrusion；
13- heat insulating mattress；
14- side plate；
15- harness isolation board.
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and together with specification it is used to explain the principle of the application.
Specific embodiment
The application is described in further detail below by specific embodiment and in conjunction with attached drawing.
As shown in figures 1 to 6, the embodiment of the present application provides a kind of battery modules comprising the first fixed frame 10, second is solid
Determine frame 11, battery core unit 12 and heat insulating mattress 13.First fixed frame 10 and the second fixed frame 11 are positioned opposite, are formed use between the two
In the space for accommodating battery core unit 12.Battery core unit 12 at least two, the opposite sides of each battery core unit 12 respectively with
First fixed frame 10 is fixedly connected with the second fixed frame 11, so that each battery core unit 12 is sequentially stacked.At least two adjacent electricity
Heat insulating mattress 13 is set between core unit 12, and the extended surface of the heat insulating mattress 13 is opposite with the extended surface of battery core unit 12.
Specifically, the first fixed frame 10 and the second fixed frame 11 can use solid construction, and the two can be spliced together,
It can be not fixed each other.Heat insulating mattress 13 has the characteristics that heat transfer efficiency is low, and the rate of heat transfer is reduced with this；In addition, this is heat-insulated
Elastic construction can be used in pad 13, so that heat insulating mattress 13 has compressibility, reduces 13 the space occupied of heat insulating mattress with this.It is optional
Ground, per settable heat insulating mattress 13 between two adjacent battery core units 12.And covering of the heat insulating mattress 13 on battery core unit 12
Area can with flexible setting, such as only two adjacent battery core units 12 middle part cover heat insulating mattress 13, but in order to optimize every
Thermal effect, the edge of heat insulating mattress 13 extend to the edge of battery core unit 12, increase the heat-insulated area of heat insulating mattress 13 with this.
Above-mentioned heat insulating mattress 13 can obstruct the heat transfer between battery core unit 12, be prevented between each battery core unit 12 with this
It is affected one another because of heat, so that the heat in battery modules is not easy to go beyond the limit of value.So the safety of the battery modules
It is higher.
In a kind of embodiment, above-mentioned battery core unit 12 may include the first fixed frame 120, the second fixed frame 121, battery core 122
With U-shaped connection sheet 123, battery core 122 at least two, each battery core 122, which is sequentially stacked, is installed on the first fixed frame 120 and second solid
To determine between frame 121, the first fixed frame 120 and the second fixed frame 121 are oppositely arranged along the arragement direction of each battery core 122, and the
One fixed frame 120 and the clamping of the second fixed frame 121.Specifically, battery core 122 may be configured as two, this two battery cores 122 can pass through
Two U-shaped connection sheets 123 are in parallel.First fixed frame 120 and the clamping of the second fixed frame 121, can not only guarantee between the two
Relative position is more stable, can also simplify the assembly manipulation of entire battery modules.
Further, above-mentioned battery core unit 12 may also include heat sink 124, set between at least two adjacent battery cores 122
Set the heat sink 124.After such setting, the heat generated in battery core unit 12 can be shed by heat sink 124, thus effectively
Reduce temperature when battery modules work.Specifically, which can use slab construction, can only cover battery core
122 a part of surface.But in order to improve heat dissipation effect, the edge of the heat sink 124 can extend to the edge of battery core 122
Place, with this increasing heat radiation area.
In order to improve the positioning accuracy between heat sink 124 and the first fixed frame 120 and the second fixed frame 121, the heat dissipation
Plate 124 includes entity plate 124a and bending edge 124b.Slab construction can be used in entity plate 124a, is located at two adjacent electricity
Between core 122.Bending edge 124b is fixed on the edge of entity plate 124a, and bending edge 124b and the first fixed frame 120 and
At least one of second fixed frame 121 location fit.Specifically, the first fixed frame 120 and the second fixed frame 121 can be set
Locating slot, bending edge 124b, which is protruded into the locating slot, can be realized heat sink 124 and the first fixed frame 120 and the second fixed frame
Positioning between 121.Optionally, entity plate 124a can be vertically connected with bending edge 124b.
When the first fixed frame 120 and the second fixed frame 121 are disposed as solid construction, the two can occupy certain sky
Between, lead to the heat dissipation performance deviation of battery modules.It therefore, can be by least one in the first fixed frame 120 and the second fixed frame 121
Person is set as annular hollow frame, and the edge of battery core 122 is connected with the annular hollow frame, and the middle part of battery core 122 is exposed to the ring
The hollow space of empty frames in shape.Also, the hollow space of the first fixed frame 120 and the second fixed frame 121 can be battery core 122
Expansion provides space, prevents the expansive force of battery core 122 from directly acting on other parts, and battery core mold is caused structural failure occur
The problem of.Alternatively, it is also possible to which heat insulating mattress 13 to be put into the hollow space of the first fixed frame 120 and the second fixed frame 121, with this
The occupied space of each battery core unit 12 is compressed, the energy density of battery modules is then improved.
For the type of attachment between battery core unit 12 and the first fixed frame 10 and the second fixed frame 11, electricity can be optimized for
Core unit 12 and at least one of the first fixed frame 10 and the second fixed frame 11 are clamped.The purpose of such setting is to utilize clamping
The convenience of operation simplifies the assembly manipulation between battery core unit 12 and the first fixed frame 10 and the second fixed frame 11, makes simultaneously
Bonding strength with higher between battery core unit 12 and the first fixed frame 10 and the second fixed frame 11.In addition, such clamping
Structure type can also accurately control the rigging position of battery core unit 12, in order to improve the assembly precision of battery modules.
It is to be appreciated that battery core unit 12 and the implementation of the first fixed frame 10 and the second fixed frame 11 clamping have very much
Kind, in order to provide a kind of form relatively simple for structure, battery core unit 12 may also include clamping protrusion 125, the clamping protrusion 125
It is set at least one of the first fixed frame 120 and the second fixed frame 121, in the first fixed frame 10 and the second fixed frame 11
At least one on open up clamping groove, clamping protrusion 125 and the clamping groove are engaged by clamping.
Above-mentioned clamping protrusion 125 can be provided only on one of the first fixed frame 120 and the second fixed frame 121, but
It is the intensity in order to improve snap action, while the active force that the first fixed frame 120 and the second fixed frame 121 are subject to tends to
Equal, clamping protrusion 125 can be located on the first fixed frame 120 and the second fixed frame 121 simultaneously.Certainly, the first fixed frame 120
And second can be spaced a distance between the clamping protrusion 125 that is arranged on fixed frame 121.In another embodiment, clamping
Protrusion 125 may include the first protrusion 125a and the second protrusion 125b, and first protrusion 125a is fixed on the first fixed frame 120,
Second protrusion 125b is fixed on the second fixed frame 121, and the first protrusion 125a and the second protrusion 125b splice, the two jointly with
Clamping groove is engaged by clamping.Such structure is not only respectively provided with clamping structure on the first fixed frame 120 and the second fixed frame 121, also
The distance between this two parts clamping structure can be reduced, so that snap action is easier to carry out.
In order to provide guiding, Ke Yi to the clamping between battery core unit 12 and the first fixed frame 10 and the second fixed frame 11
Guide groove is opened up at least one of first fixed frame 10 and the second fixed frame 11, and battery core unit 12 further includes guiding protrusion
126, the guiding protrusion 126 is set at least one of the first fixed frame 120 and the second fixed frame 121；
The extending direction of above-mentioned guiding protrusion 126 and guide groove is the side that the first fixed frame 10 is directed toward the second fixed frame 11
To, and at the end of travel that the sliding opposite with guide groove of guiding protrusion 126 is formed, clamping protrusion 125 is matched with clamping groove clamping
It closes.
After adopting the above structure, guiding protrusion 126 can be put into guide groove by operator first, so that guiding protrusion
126 slide in guide groove, until clamping protrusion 125 is matched with clamping groove.So such structure can be battery core list
Assembly campaign between member 12 and the first fixed frame 10 and the second fixed frame 11 provides guiding, so that the assembly efficiency of battery modules
It is higher.
Aforementioned guiding protrusion 126 and the setting position of guide groove can be with flexible choices, which can be independently of card
The position for connecing protrusion 125 and clamping groove accounts for.But personnel quickly find guiding 126 He of protrusion for ease of operation
The position of guide groove, guide groove can extend at clamping groove.Accordingly, guide groove is located at around clamping groove, and then before reaching
State purpose.
Above-mentioned first fixed frame 10, the second fixed frame 11 and battery core unit 12 provided by the embodiments of the present application are assemblied together
Afterwards, so that it may form a complete battery modules.However, in such battery modules, the first fixed frame 10 and the second fixed frame
11 are only indirectly connected with by battery core unit 12, so that the bonding strength of the two is lower.In view of this, provided by the embodiments of the present application
Battery modules may also include two side plates 14, and the opposite sides of each side plate 14 is fixed with the first fixed frame 10 and second respectively
Frame 11 is fixedly connected, and to form annular frame, the inside of the annular frame forms the space for accommodating battery core unit 12.Such structure
Under, the first fixed frame 10 can be fixedly connected by battery core unit 12 with side plate 14 simultaneously with the second fixed frame 11, and then be improved
The assembly intensity of battery modules.In a kind of embodiment, side plate 14 can pass through helicitic texture and the first fixed frame 10 and second
Fixed frame 11 is fixed.
Further, buffering felt pad can be also set in battery modules.By the battery core unit 12 adjacent with side plate 14
It is defined as edge battery core unit, aforementioned buffering heat insulating mattress is set between at least one side plate 14 and the edge battery core unit.This is slow
The transmitting of heat can preferably be prevented by rushing heat insulating mattress, can also be buffered to the impact force that battery modules are subject to, be prevented electricity
Chi Mo group stress is excessive and damages.
In specific structure, battery modules may also include harness isolation board 15, and the harness isolation board 15 and battery core unit 12 fill
With together.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (7)
1. a kind of battery modules, which is characterized in that described including the first fixed frame, the second fixed frame, battery core unit and heat insulating mattress
First fixed frame and second fixed frame are positioned opposite, the battery core unit at least two, each battery core unit
Opposite sides is fixedly connected with first fixed frame and second fixed frame respectively, so that each battery core unit is successively
It is stacked, the heat insulating mattress, the extended surface of the heat insulating mattress and the electricity are set between at least two adjacent battery core units
The extended surface of core unit is opposite, and the battery core unit includes the first fixed frame, the second fixed frame and battery core, and the battery core is installed on
Between first fixed frame and second fixed frame, the battery core unit and first fixed frame and described second are fixed
The clamping of at least one of frame；
The battery core unit further includes clamping protrusion, and the clamping protrusion is set to first fixed frame and described second and fixes
On at least one of frame, clamping groove is opened up at least one of first fixed frame and second fixed frame, it is described
It is clamped protrusion and the clamping groove is engaged by clamping；
Guide groove is opened up at least one of first fixed frame and second fixed frame, the battery core unit further includes
It is oriented to protrusion, the upper setting guiding protrusion of at least one of first fixed frame and second fixed frame；
The extending direction of the guiding protrusion and the guide groove is that first fixed frame is directed toward second fixed frame
Direction, at the end of travel of guiding protrusion sliding formation opposite with the guide groove, the clamping protrusion and the card
Access slot is engaged by clamping.
2. battery modules according to claim 1, which is characterized in that the edge of the heat insulating mattress extends to the battery core list
The edge of member.
3. battery modules according to claim 1, which is characterized in that the battery core at least two, each battery core according to
Secondary be stacked is installed between first fixed frame and second fixed frame, first fixed frame and second fixed frame
It is oppositely arranged along the arragement direction of each battery core, and first fixed frame and second fixed frame clamping.
4. battery modules according to claim 3, which is characterized in that in first fixed frame and second fixed frame
At least one be annular hollow frame, the edge of the battery core is connected with the annular hollow frame, and the middle part of the battery core is naked
It is exposed to the hollow space of the annular hollow frame.
5. battery modules according to claim 1, which is characterized in that the clamping protrusion includes that the first protrusion and second are convex
Portion, first protrusion are fixed on first fixed frame, and second protrusion is fixed on second fixed frame, and institute
It states the first protrusion and second protrusion to splice, first protrusion is matched with clamping groove clamping jointly with second protrusion
It closes.
6. battery modules according to any one of claims 1-5, which is characterized in that further include two side plates, Mei Gesuo
The opposite sides for stating side plate is fixedly connected with first fixed frame and second fixed frame respectively, to form ring frame
Frame, the annular frame inside form the space for accommodating the battery core unit.
7. battery modules according to claim 6, which is characterized in that it further include buffering felt pad, it is adjacent with the side plate
Battery core unit be edge battery core unit, the buffer compartment is set between at least one described side plate and the edge battery core unit
Heat pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610654483.6A CN106159381B (en) | 2016-08-11 | 2016-08-11 | battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610654483.6A CN106159381B (en) | 2016-08-11 | 2016-08-11 | battery module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106159381A CN106159381A (en) | 2016-11-23 |
| CN106159381B true CN106159381B (en) | 2019-08-02 |
Family
ID=57329556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610654483.6A Active CN106159381B (en) | 2016-08-11 | 2016-08-11 | battery module |
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| Country | Link |
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| CN (1) | CN106159381B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4312304A1 (en) * | 2022-07-26 | 2024-01-31 | CALB Co., Ltd. | Battery device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106328855B (en) * | 2016-11-29 | 2019-06-04 | 宁德时代新能源科技股份有限公司 | Battery pack and battery module |
| CN107452933B (en) * | 2017-06-30 | 2020-08-25 | 多氟多新能源科技有限公司 | Soft packet of lithium cell module and insulating assemblies and power module |
| CN108155312B (en) * | 2017-12-06 | 2023-05-16 | 力帆实业(集团)股份有限公司 | Quick-change battery pack assembly |
| CN108075057B (en) * | 2017-12-06 | 2023-05-16 | 力帆实业(集团)股份有限公司 | Battery cell grouping structure for electric vehicle |
| CN107978711B (en) * | 2017-12-06 | 2023-05-12 | 力帆实业(集团)股份有限公司 | Battery core unit of battery pack of electric automobile |
| CN108063201B (en) * | 2017-12-06 | 2023-05-16 | 力帆实业(集团)股份有限公司 | Battery pack core support of new energy automobile |
| CN108550951A (en) * | 2018-06-04 | 2018-09-18 | 西南交通大学 | A kind of high-power lithium ion battery heat management system |
| CN110289376B (en) * | 2019-05-09 | 2022-09-13 | 合肥国轩高科动力能源有限公司 | Laminate polymer battery module |
| CN112103598B (en) * | 2020-09-24 | 2022-04-08 | 湖北亿纬动力有限公司 | Battery module capable of delaying thermal diffusion |
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| US20140224465A1 (en) * | 2013-02-12 | 2014-08-14 | Eric Andrasi | Hydrophilic polymer thermal barrier system |
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| Publication number | Publication date |
|---|---|
| CN106159381A (en) | 2016-11-23 |
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