CN209104252U - Power battery module and power battery - Google Patents
Power battery module and power battery Download PDFInfo
- Publication number
- CN209104252U CN209104252U CN201822269159.XU CN201822269159U CN209104252U CN 209104252 U CN209104252 U CN 209104252U CN 201822269159 U CN201822269159 U CN 201822269159U CN 209104252 U CN209104252 U CN 209104252U
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- Prior art keywords
- battery core
- power battery
- heat regulation
- busbar connector
- regulation layer
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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 embodiment introduces a kind of power battery module and power battery.Power battery module includes battery core, busbar connector and heat regulation layer；The quantity of battery core be it is multiple, each battery core includes anode ear and negative electrode lug, and anode ear and negative electrode lug set up separately at the both ends of battery core, and multiple battery core laid out in parallel, in the same end of multiple battery cores, along the orientation of battery core, anode ear is alternatively arranged with negative electrode lug；The quantity of busbar connector be it is multiple, between adjacent battery core pass through busbar connector series/parallel；The quantity of heat regulation layer be it is multiple, multiple heat regulation layers are arranged in a one-to-one correspondence with busbar connector, and busbar connector, away from the side of battery core, heat regulation layer is made by Heat Conduction Material.The technical scheme in the embodiment of the utility model increases thermally conductive and heat sinking function, reduces the temperature acquisition heat lag time, improves the temperature sampling reaction time.
Description
Technical field
The utility model relates to energy storage device fields, more particularly to a kind of power battery module and power battery.
Background technique
Currently, power battery is widely used to be related to the every field of energy storage, especially led in New-energy electric vehicle
Domain.The safety of power battery pack is the basis of all power battery design and processes productions, and safety indexes are applied in always often
The design and processes of a components produce all processes；Mould group (Module) is the core component of battery pack, is provided for battery pack
Energy source；Mould group is mainly made of battery core, insulating film, battery management system from components such as control plate, harness isolation boards.Mould group work
During work, the cooperation between multiple battery cores is needed, is responsible for the tab of connection battery core in busbar connector, is established between multiple battery cores
Connection relationship.Interactively between the different parts of busbar connector and tab is different, so that the partial region of busbar connector is easy to produce
Phenomenon in heat quantity set influences the work safety of mould group.Also, it when power battery is used for electric car field, uses
Environment more jolts, and there are the hidden danger that friction, collision occur between battery core and shell.Further, in the connection position of battery pack
It when the place of setting is there is a phenomenon where loosening, can obviously generate heat at electrical connection, reduce the safety in utilization of battery pack.
It follows that how to improve the temperature uniformity at each position of busbar connector, become urgent problem to be solved.
Utility model content
In view of this, this utility model embodiment the technical problem to be solved is that provide a kind of power battery module and
Power battery increases thermally conductive and heat sinking function, reduces the temperature acquisition heat lag time, improves the temperature sampling reaction time.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of power battery module, including battery core, busbar connector and heat regulation layer；The quantity of the battery core be it is multiple, often
A battery core includes anode ear and negative electrode lug, and the anode ear and the negative electrode lug set up separately at the both ends of the battery core, more
A battery core laid out in parallel, in the same end of the multiple battery core, along the orientation of the battery core, the anode ear and institute
Negative electrode lug is stated to be alternatively arranged；
The quantity of the busbar connector be it is multiple, pass through the busbar connector series/parallel between adjacent battery core.Preferably,
It is provided with the busbar connector between per two adjacent battery cores, the busbar connector is separately connected two be disposed adjacent
The anode ear and negative electrode lug of a battery core, so that multiple battery core series connection are integrated；
The quantity of the heat regulation layer be it is multiple, multiple heat regulation layers and the busbar connector are corresponded and are set
It sets, and the busbar connector deviates from the side of the battery core, the heat regulation layer is made by Heat Conduction Material, the heat regulation layer
Thickness range be 3mm~8mm.
Further, the power battery module introduced in the utility model one embodiment, the heat regulation layer
With a thickness of 5mm.
Further, the power battery module introduced in the utility model one embodiment, the heat regulation layer are
Insulation hot melt silica gel.
Further, the power battery module introduced in the utility model one embodiment, the heat regulation layer are
Two component fast dry glue.
Further, the power battery module introduced in the utility model one embodiment, the two component fast dry glue
For 8801 glue.
Further, the power battery module introduced in the utility model one embodiment, the two component fast dry glue
For 2802HD.
Further, the power battery module introduced in the utility model one embodiment, the power battery module
For square housing battery mould group.
Further, the power battery module introduced in the utility model one embodiment, the busbar connector with it is described
Connection between battery core is welding.
Further, the power battery module introduced in the utility model one embodiment further includes shell, the shell
Internal portion is the cavity with certain accommodating space, and the battery core, busbar connector and heat regulation layer are all set in the cavity,
The heat regulation layer is abutted in the side away from the battery core with the shell.
The utility model embodiment is further described a kind of power battery, including battery modules above-mentioned.
Compared with the existing technology, power battery module described in the utility model and power battery have the advantage that
(1) power battery module described in the utility model and power battery pass through the design of heat regulation layer, Neng Gouzeng
Add the temperature uniformity at busbar connector, avoids security risk caused by hot-spot.
(2) power battery module described in the utility model and power battery are set by the material to amount regulating course, size
Meter, so that heat regulation layer can be realized the heat dissipation effect for busbar connector position, avoids the bulk temperature of busbar connector excessively high.Into
One step, if heat regulation layer can also be warm when more serious superheating phenomenon occurs in the battery core position of power battery module
Amount melting, the heat regulation layer of melting can penetrate into the gap between battery core and the gap between busbar connector and tab, so that electric
Road disconnects, and avoids further generating heat.
(3) power battery module described in the utility model and power battery, the material selection of heat regulation layer, so that its
With certain mechanical property, when power battery is under more severe use condition, heat regulation layer can be in power electric
Buffering is established between Chi Mo group and the shell of power battery, and the funtion part of power battery is protected.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is a kind of battery core partial structure diagram of power battery module of the utility model embodiment；
Fig. 2 is the battery core and busbar connector partial structure diagram of a kind of power battery module of the utility model embodiment；
Fig. 3 is battery core, busbar connector and the heat regulation layer part of a kind of power battery module of the utility model embodiment
Structural schematic diagram.
Description of symbols:
1- battery core, 11- anode ear, 12- negative electrode lug, 2- busbar connector, 3- heat regulation layer.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
One of core idea of the utility model embodiment is: introducing a kind of at least in busbar connector position with good scattered
The power battery module of hot property, and the power battery module of the utility model embodiment introduction can oneself when the temperature is excessively high
Dynamic cutting circuit, avoids that security risk occurs.
As a result, as shown in Figure 1 to Figure 3, the utility model embodiment introduces a kind of power battery module, the electricity including cooperation
Core 1, busbar connector (BusBar) 2 and heat regulation layer 3.
Wherein, the quantity of battery core 1 is multiple, and multiple battery cores 1 are structure, shape, the identical plate of size or case
Type.Each battery core 1 includes anode ear 11 and negative electrode lug 12.The positive terminal of the corresponding power battery of anode ear 11, negative electrode lug
The negative terminal of 12 corresponding power batteries.Multiple 1 laid out in parallel of the battery core, and make in the arrangement side of multiple battery cores 1
Upwards, the anode ear 11 and negative electrode lug 12 of two neighboring battery core 1 are arranged alternately.That is, on the arragement direction of battery core 1, anode ear
11 and negative electrode lug 12 it is non-conterminous.Preferably, the arragement direction of anode ear 11 and negative electrode lug 12 is parallel with the arragement direction of battery core 1.
Further, the quantity of busbar connector 2 is multiple, is provided with an institute between every two adjacent battery cores 1
Busbar connector 2 is stated, the both ends of the busbar connector 2 are separately connected the anode ear 11 and negative electrode lug of two be disposed adjacent the battery core 1
12, so that the series connection of multiple battery cores 1 is integrated.Preferably, the structure and size of multiple busbar connectors are identical.It is further preferred that
Busbar connector 2 is plate or banded structure.It is straight plate or smooth band-like that busbar connector 2, which faces away from the side of battery core 1,.
Further, the quantity of heat regulation layer 3 is multiple, and multiple heat regulation layers 3 and the busbar connector 2 are one by one
It being correspondingly arranged, and covers the side that the busbar connector 2 deviates from the battery core 1, the heat regulation layer 3 is made by Heat Conduction Material,
The thickness range of the heat regulation layer 3 is 3mm~8mm.Preferably, heat regulation layer 3 is completely covered the busbar connector 2 and deviates from
The side of the battery core 1.It is further preferred that heat regulation layer 3 is connect by way of coating with busbar connector 2.Heat regulation
The design of layer 3 can also prevent foreign matter from entering main circuit, and then avoid caused short circuit.
In one preferred embodiment of the utility model, heat regulation layer 3 with a thickness of 5mm.The thickness can guarantee
The temperature difference control of each position on busbar connector 2 in the reasonable scope, is avoided 2 local temperature of busbar connector excessively high by heat regulation layer 3
Caused fusing.Also, the thickness a degree of determine is kept fixed under the maximum temperature that heat regulation layer is able to bear
The time of form.The thickness of heat regulation layer is bigger, then the time that form is kept fixed under the maximum temperature that it is able to bear gets over
It is long.Heat regulation layer is able to maintain the performance that certain form is conducive to its heat regulation function, but the utility model embodiment
Power battery module and power battery the requirement heat regulation layer of middle introduction can play the function of disconnecting circuit.Then to heat tune
The thickness design of ganglionic layer is so as to keep good fixed form in certain temperature condition；Temperature be more than threshold value when and
When melt, and cut off circuit.Preferably, the battery core for the power battery module introduced in the utility model embodiment is lithium-ion electric
Core.The phenomenon that temperature is more than threshold value is mostly caused by the loosening of PACK connection.
In one preferred embodiment of the utility model, heat regulation layer 3 is insulation hot melt silica gel.Insulation hot melt silica gel
With good coating performance, good connection can be established between busbar connector 2, and will not influence the electric conductivity of busbar connector
Energy.
In another preferred embodiment of the utility model, the heat regulation layer 3 is two component fast dry glue.Two-component
Instant cement has better structural behaviour, and hardness is also bigger, can receive impact in power battery module or power battery
When for busbar connector 2 and anode ear 11, negative electrode lug 12 provide preferable protection.It is further preferred that the two component fast dry glue is
8801 glue or 2802HD.
Further, the power battery module of the utility model embodiment introduction includes shell (not shown), described
Enclosure interior is the cavity with certain accommodating space, and the multiple battery core 1, busbar connector 2 and heat regulation layer 3 are all set in institute
It states in cavity, the heat regulation layer 3 is abutted in the side away from the battery core 1 with the shell.Then, busbar connector 2 is away from electricity
The distance between the side of core 1 and shell on the other side are preferably 3mm~8mm.Distance design, enables heat regulation layer
It is enough filled in at least partly gap between battery core 1 and shell.Heat regulation layer 3 is played in battery core 1 and shell
Between buffering, shock-absorbing function.
Preferably, the shell for the power battery module introduced in the utility model is rectangle, and busbar connector deviates from the one of battery core
Side and parallel with the opposite side of busbar connector.Then the distance between heat regulation layer each position and shell on the other side are identical,
So that the versus environmental of heat regulation layer each position is identical, then the heat transfer between heat regulation layer and surrounding environment, heat
Radiation is also uniformly, to further avoid heat concentration, avoid security risk.
Further, the company between the busbar connector of the power battery module of the utility model embodiment introduction and the battery core
It is connected in welding.
In one embodiment of the utility model, heat regulation layer includes at least two sublayers.Each sublayer is along heat tune
The thickness direction of ganglionic layer is arranged, and then constitutes heat regulation layer.The range of the sum of the thickness of each sublayer is 3mm~8mm.Each sublayer
Between viscosity connection so that heat regulation layer under the conditions of certain temperature have stable form.Preferably, the knot of each sublayer
Structure, size are consistent.Heat regulation layer is divided into multiple sublayers, so that heat regulation by the technical solution introduced through this embodiment
Layer is obtained by multiple working procedure, is cooperated between various processes, guarantees the structure and size of the heat regulation layer finally obtained
Accuracy.Particularly, when the material of heat regulation layer is insulation hot melt silica gel, melting insulation hot melt silica gel is converted by viscous state
It is a degree of mechanical property for influencing heat regulation layer different directions in direction of solid temperature difference in the process.Reduce each son
Layer is conducive to insulation hot melt silica gel molecule and forms orientation texture in this direction, improve heat regulation in the size of thickness direction
Structural stability under the enabling capabilities and certain temperature of layer.
In one embodiment of the utility model, heat regulation layer includes at least two sublayers.Two neighboring sublayer
Material is different.For example, the material of two adjacent sublayers is respectively insulate hot melt silica gel and two component fast dry glue.Unlike material
Sublayer cooperates, and common play reinforces temperature uniformity and buffering, the effect of damping.
The utility model further describes a kind of power battery with above-mentioned power battery module.Preferably, described
Power battery includes at least a power battery module.
It should also be noted that, herein, the relational terms of such as firsts and seconds or the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of power battery module, which is characterized in that including battery core, busbar connector and heat regulation layer；The quantity of the battery core
To be multiple, each battery core includes anode ear and negative electrode lug, and the anode ear and the negative electrode lug set up separately in the battery core
Both ends, multiple battery core laid out in parallel are described along the orientation of the battery core in the same end of the multiple battery core
Anode ear is alternatively arranged with the negative electrode lug；
The quantity of the busbar connector be it is multiple, pass through the busbar connector series/parallel between adjacent battery core；
The quantity of the heat regulation layer be it is multiple, multiple heat regulation layers are arranged in a one-to-one correspondence with the busbar connector, and
The busbar connector deviates from the side of the battery core, and the heat regulation layer is made by Heat Conduction Material.
2. power battery module according to claim 1, which is characterized in that the thickness range of the heat regulation layer is
3mm~8mm.
3. power battery module according to claim 2, which is characterized in that the heat regulation layer with a thickness of 5mm.
4. power battery module according to claim 1, which is characterized in that the heat regulation layer is insulation hot melt silicon
Glue.
5. power battery module according to claim 1, which is characterized in that the heat regulation layer is two-component quick-drying
Glue.
6. power battery module according to claim 5, which is characterized in that the two component fast dry glue be 8801 glue or
Person 2802HD.
7. power battery module according to claim 1, which is characterized in that the power battery module is square housing battery mould
Group.
8. power battery module according to claim 1, which is characterized in that the company between the busbar connector and the battery core
It is connected in welding.
9. power battery module according to any one of claims 1 to 8, which is characterized in that it further include shell, the shell
Inside is the cavity with certain accommodating space, and the battery core, busbar connector and heat regulation layer are all set in the cavity, institute
Heat regulation layer is stated to abut in the side away from the battery core with the shell.
10. a kind of power battery, which is characterized in that including the described in any item battery modules of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822269159.XU CN209104252U (en) | 2018-12-28 | 2018-12-28 | Power battery module and power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822269159.XU CN209104252U (en) | 2018-12-28 | 2018-12-28 | Power battery module and power battery |
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| Publication Number | Publication Date |
|---|---|
| CN209104252U true CN209104252U (en) | 2019-07-12 |
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ID=67163804
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822269159.XU Active CN209104252U (en) | 2018-12-28 | 2018-12-28 | Power battery module and power battery |
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| CN (1) | CN209104252U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110556607A (en) * | 2019-09-27 | 2019-12-10 | 东莞汇洋动力科技有限公司 | battery module and battery pack |
| CN110600832A (en) * | 2019-10-15 | 2019-12-20 | 恒大新能源汽车科技(广东)有限公司 | Battery core and battery module |
| CN111430652A (en) * | 2020-05-08 | 2020-07-17 | 湖北亿纬动力有限公司 | Battery and battery module |
| CN112421144A (en) * | 2020-11-11 | 2021-02-26 | 湖北亿纬动力有限公司 | Battery module |
-
2018
- 2018-12-28 CN CN201822269159.XU patent/CN209104252U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110556607A (en) * | 2019-09-27 | 2019-12-10 | 东莞汇洋动力科技有限公司 | battery module and battery pack |
| CN110600832A (en) * | 2019-10-15 | 2019-12-20 | 恒大新能源汽车科技(广东)有限公司 | Battery core and battery module |
| CN111430652A (en) * | 2020-05-08 | 2020-07-17 | 湖北亿纬动力有限公司 | Battery and battery module |
| CN111430652B (en) * | 2020-05-08 | 2023-04-07 | 湖北亿纬动力有限公司 | Battery and battery module |
| CN112421144A (en) * | 2020-11-11 | 2021-02-26 | 湖北亿纬动力有限公司 | Battery module |
| CN112421144B (en) * | 2020-11-11 | 2022-03-08 | 湖北亿纬动力有限公司 | Battery module |
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