CN206353568U - A kind of new flexible connection structure and battery modules - Google Patents
A kind of new flexible connection structure and battery modules Download PDFInfo
- Publication number
- CN206353568U CN206353568U CN201720062462.5U CN201720062462U CN206353568U CN 206353568 U CN206353568 U CN 206353568U CN 201720062462 U CN201720062462 U CN 201720062462U CN 206353568 U CN206353568 U CN 206353568U
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- Prior art keywords
- flexible coupling
- conductive
- thermal
- heat conduction
- battery modules
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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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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model provides a kind of new flexible connection structure and battery modules, by setting conductive structure being flexible coupling on body, by the thermal-conductivity substrate on conductive structure by be flexible coupling this body running when heat transfer on multiple heat conduction fins, realize to the conduction for the heat being flexible coupling, because the quantity of heat conduction fin is more, contact area with air is also bigger, can reduce the temperature of itself that is flexible coupling faster by heat spreader into air.Being flexible coupling influence and the situation of thermal run away occur by high temperature of battery in battery modules is avoided, the power supply safety of battery modules is improved.
Description
Technical field
The utility model is related to cell art, in particular to a kind of new flexible connection structure and battery mould
Group.
Background technology
The electrokinetic cell that electric automobile is used is as the source of automobile power, and electrokinetic cell can include many Battery pack moulds
Group.Due in each battery modules can include multiple battery cells, multiple battery cells can also serial or parallel connection, pass through
Connecting portion is set on anode collection plate and negative pole currect collecting plate, the negative or positive electrode of a battery modules is formed respectively.Multigroup electricity
Between the module of pond mutual serial or parallel connection in groups when, the negative or positive electrode of two battery modules can be connected by being flexible coupling.
Because the quantity of cell in battery modules is more, the electric current passed through in being flexible coupling is larger so that be flexible coupling by
The heat that this is produced is also higher.In the battery modules course of work, be flexible coupling on temperature even can exceed battery core unstability
Temperature, the safety belt in groups to battery carrys out hidden danger.
Utility model content
In view of this, the utility model provides a kind of new flexible connection structure and battery modules, can solve above-mentioned
Problem.
The technical scheme that the utility model is provided is as follows:
A kind of new flexible connection structure, including be flexible coupling body and an at least conductive structure, the body bag that is flexible coupling
Include the first conductive connection part, the second conductive connection part and connect first conductive connection part, the centre of the second conductive connection part
Connecting portion, the body that is flexible coupling is made up of plurality of conductive layers;
The conductive structure includes the thermal-conductivity substrate fitted with the body side that is flexible coupling and is arranged on the heat conduction base
Multiple heat conduction fins on bottom.
Preferably, the thermal-conductivity substrate is insulating heat-conduction material.
Preferably, it is provided with insulating heat-conductive pad between the thermal-conductivity substrate and the body that is flexible coupling.
Preferably, the heat conduction fin is metal.
Preferably, the thermal-conductivity substrate and the heat conduction fin are integrally formed.
Preferably, the thermal-conductivity substrate and the heat conduction fin are separate, be provided with the thermal-conductivity substrate with it is described
The neck that heat conduction fin matches, the heat conduction fin is connected together by the neck with the thermal-conductivity substrate.
Preferably, fixing hole is respectively arranged with first conductive connection part and second conductive connection part, it is described
Conductive layer is provided with through hole in the position of the correspondence fixing hole.
Preferably, the body that is flexible coupling is connected by the fixing hole with the collector plate in battery modules, the battery
Module include multiple cells, it is described be flexible coupling between body and the cell be provided with heat insulation structural.
Preferably, the conductive layer is aluminium foil layer or copper foil layer.
Present invention also provides a kind of battery modules, including multiple battery cells, the electrode of the battery cell respectively with
Collector plate is connected, and the collector plate is connected by being flexible coupling with other battery modules, it is described be flexible coupling be conductively connected including first
Portion, the second conductive connection part and connection first conductive connection part, the middle interconnecting piece of the second conductive connection part, the soft company
Connect and be made up of plurality of conductive layers;
The side that is flexible coupling is provided with an at least conductive structure, and the conductive structure includes being flexible coupling what is fitted with described
Thermal-conductivity substrate and the multiple heat conduction fins being arranged in the thermal-conductivity substrate.
In summary, will be soft by the thermal-conductivity substrate on conductive structure by setting conductive structure being flexible coupling on body
Heat transfer when connecting this body running is realized to the conduction for the heat being flexible coupling, due to heat conduction fin on multiple heat conduction fins
The quantity of piece is more, and the contact area with air is also bigger, can reduce faster by heat spreader into air and be flexible coupling itself
Temperature.Being flexible coupling influence and the situation of thermal run away occur by high temperature of battery in battery modules is avoided, battery modules are improved
Power supply safety.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Coordinate appended accompanying drawing, be described in detail below.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, it will use below required in embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
A kind of schematic diagram for new flexible connection structure that Fig. 1 provides for the utility model embodiment.
A kind of decomposing schematic representation for new flexible connection structure that Fig. 2 provides for the utility model embodiment.
A kind of new flexible connection structure and the schematic diagram of battery modules that Fig. 3 provides for the utility model embodiment.
Fig. 4 is the schematic diagram being flexible coupling in the prior art.
Icon:100- is flexible coupling;101- is flexible coupling body;102- conductive structures;1021- thermal-conductivity substrates;1022- heat conduction fins
Piece;200- collector plates;300- battery cells.
Embodiment
Below in conjunction with accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole realities
Apply example.The component for the utility model embodiment being generally described and illustrated herein in the accompanying drawings can be come with a variety of configurations
Arrangement and design.Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit
Claimed scope of the present utility model, but it is merely representative of selected embodiment of the present utility model.Based on the utility model
Embodiment, the every other embodiment that those skilled in the art are obtained on the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that:Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.Meanwhile, it is new in this practicality
In the description of type, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relatively important
Property.
The embodiment of the present application provides a kind of new flexible connection structure, as depicted in figs. 1 and 2, and this is flexible coupling and 100 included
It is flexible coupling and body 101 and is arranged on the conductive structure 102 being flexible coupling on body 101.The body 101 that is flexible coupling is conductive including first
Connecting portion, the second conductive connection part and connection first conductive connection part, the middle interconnecting piece of the second conductive connection part, it is described
The body 101 that is flexible coupling is made up of plurality of conductive layers;The side of body 101 that is flexible coupling is provided with least a conductive structure 102, institute
Stating conductive structure 102 includes the thermal-conductivity substrate 1021 fitted with the side of body 101 that is flexible coupling and is arranged on the heat conduction base
Multiple heat conduction fins 1022 on bottom 1021.
It is existing be flexible coupling 100 can realize the connection of two battery modules, but the electric current flowed through due to being flexible coupling on 100
It is larger, therefore the heat produced is also higher.It is existing be flexible coupling it is 100 very low by its own structure radiating efficiency, for accumulation
It can not be scattered and disappeared in time in the amount of heat being flexible coupling on 100.
By the way that in the setting conductive structure 102 on body 101 that is flexible coupling, conductive structure 102 is fitted by thermal-conductivity substrate 1021
It is being flexible coupling on body 101, it is to be understood that conductive structure 102 can be made of metal, good using metal is led
It is hot.Or conductive structure 102 can be made of insulating heat-conduction material, be flexible coupling 100 be connected in battery modules after, profit
Insulated with insulating heat-conduction material and other assemblies, it is to avoid cause unnecessary electrical connection.
It is understood that in the embodiment of the present application, be flexible coupling 100 needs and the afflux in battery modules when in use
Plate 200 is connected.Typically by setting a connection end in collector plate 200, first be flexible coupling on body 101 can be conductively connected
Portion is connected with a collector plate 200 of a battery modules.By the first conductive afflux even extremely corresponding to other battery modules
Plate 200 is connected.Conductive structure 102 is fitted in the side for the body 101 that is flexible coupling, and realizes that 100 heat of being flexible coupling is guided to sky
Radiated in gas.
Further, since 100 needs that are flexible coupling have certain flexibility, in the embodiment of the present application, in conductive structure 102
Thermal-conductivity substrate 1021 can pass through welding or glue using the thin slice of a thinner thickness or using soft insulating heat-conduction material
Viscous mode is fixed on the side for the body 101 that is flexible coupling, with the 100 overall flexibilities that ensure to be flexible coupling.
Heat conduction fin 1022 in conductive structure 102 can be multiple fin, can equally be led using metal or insulation
Hot material.The heat transfer on body 101 that is flexible coupling is conducted to heat conduction fin in thermal-conductivity substrate 1021, then by thermal-conductivity substrate 1021
On piece 1022, heat is lost in surrounding enviroment by heat conduction fin 1022.Heat conduction fin 1022 can set multiple, multiple to lead
The heat-conducting area of hot fin 1022 be flexible coupling compared to single one 100 heat-conducting area it is bigger, radiating effect is also more preferable.
The heat being flexible coupling on 100 can be lost in ambient air in time, reduction is flexible coupling the temperature of body 101.
It is understood that multiple heat conduction fins 1022 can also be connected directly between and be flexible coupling on body 101, remove heat conduction
The structure of substrate 1021.When thermal-conductivity substrate 1021 and heat conduction fin 1022 all use metal, in order to avoid 102 pairs of conductive structure
100 function that is conductively connected of being flexible coupling is impacted, and one can also be set between thermal-conductivity substrate 1021 and the body 101 that is flexible coupling
Insulating heat-conductive pad, the body 101 that will be flexible coupling is dielectrically separated from conductive structure 102.
The thermal-conductivity substrate 1021 can be with integrally formed with the heat conduction fin 1022.Or the thermal-conductivity substrate 1021 with
The heat conduction fin 1022 is separate, and the card matched with the heat conduction fin 1022 is provided with the thermal-conductivity substrate 1021
Groove, the heat conduction fin 1022 is connected together by the neck with the thermal-conductivity substrate 1021.
Fixing hole is respectively arranged with first conductive connection part and second conductive connection part, it is described to be conductively connected
Layer is provided with through hole in the position of the correspondence fixing hole.
The body 101 that is flexible coupling can be stacked gradually by multiple conductive tie layers to be constituted.Pass through multiple conductive tie layers
The body 101 that is flexible coupling constituted is laminated, on the one hand each conductive tie layers can realize electric action, another aspect lamella
It is very thin that thickness can make, it is multiple be conductively connected after layer stackup still can so that be flexible coupling 100 have certain flexibility, make it
With good structure adaptability.Preferably, the lamella is aluminium foil layer or copper foil layer.
In a battery modules, as shown in figure 3, it is flexible coupling 100 for being connected with the collector plate 200 in battery modules,
Collector plate 200 collects the electric current of each battery cell 300 in battery modules, it is possible to by one be flexible coupling 100 with it is other
The annexation of battery modules formation serial or parallel connection.The output end of collector plate 200 is normally at most edge in battery modules
The outside of battery cell 300, and because the structure of battery modules is limited, the battery list at the output end distance most edge of collector plate 200
Body 300 it is closer to the distance.This results in the battery list at the 100 distance most edges that are flexible coupling being connected with the output end of collector plate 200
The distance of body 300 is also nearer.As it was previously stated, the electric current flowed through on 100 that is flexible coupling is very big, the heat for 100 generations that cause to be flexible coupling
Also it is a lot.As shown in figure 4, be flexible coupling 100 for what is used in the prior art, this be flexible coupling 100 with extraneous contact area very little,
Radiating efficiency is low, and radiating rate is slow.Substantial amounts of heat can be in the accumulation on 100 that is flexible coupling.
In the embodiment of the present application, it is many on conductive structure 102 by setting conductive structure 102 being flexible coupling on body 101
The contact area of individual heat conduction fin 1022 and air is bigger, and conductive structure 102 is made of the high material of heat transfer efficiency, can be by
The heat being flexible coupling on body 101 quickly takes away, and is lost in air, the temperature of bright degumming level body is reduced with this, it is to avoid soft
The high temperature of connection body 101 is impacted to the battery cell 300 closed on.
In order to avoid in the heat transfer that is flexible coupling on 100 to neighbouring battery cell 300, in 100 and the battery of being flexible coupling
Heat insulation is also provided between monomer 300, the size and number of the heat insulation can be determined according to actual conditions.Heat insulation
It can be made of the relatively low material of pyroconductivity, will be flexible coupling and 100 keep apart with neighbouring battery cell 300, it is to avoid be warm
The higher 100 pairs of battery cells 300 that are flexible coupling of degree are impacted.
It is understood that the heat insulation can be made of insulation and the low material of heat transfer efficiency.Implement in the application
In example, the battery cell 300 in battery modules can be cylindrical battery, and the first end face includes the multiple and circle
The curved surface that the side of cylindrical battery matches.In a battery modules, battery cell 300 arranges connection in array, by first
End face be arranged to the curved surface that matches of cylindrical battery side, heat insulation is being placed on battery cell 300 and is being flexible coupling 100
Between after, the curved surface in first end face can be matched and fitted with multiple battery cells 300, and by be flexible coupling 100 pressing
So that heat insulation be flexible coupling 100 and battery cell 300 be clipped in the middle, by the setting of curved surface cause heat insulation be not in because
Vibrations for battery modules etc. are moved.
By in the setting conductive structure 102 on body 101 that is flexible coupling, while being flexible coupling between 100 and battery cell 300
Heat insulation is set.On the one hand the heat being flexible coupling on 100 can quickly be scattered and disappeared by conductive structure 102, on the other hand passed through
To be flexible coupling 100 heat of heat insulation is isolated with battery cell 300.It can realize and battery cell 300 is preferably protected, it is to avoid
100 there is the situation of thermal run away because being flexible coupling in battery cell 300, and improves the power supply safety of battery modules.
Present invention also provides a kind of battery modules, including multiple battery cells 300, the electrode of the battery cell 300
It is connected respectively with collector plate 200, the collector plate 200 100 is connected by being flexible coupling with other battery modules, described to be flexible coupling
100 include the first conductive connection part, the second conductive connection part and connection first conductive connection part, the second conductive connection part
Middle interconnecting piece, the body 101 that is flexible coupling is made up of plurality of conductive layers;The side of body 101 that is flexible coupling is provided with least
One conductive structure 102, the conductive structure 102 include the thermal-conductivity substrate 1021 fitted with the side of body 101 that is flexible coupling and
It is arranged on multiple heat conduction fins 1022 in the thermal-conductivity substrate 1021.
In summary, by the setting conductive structure 102 on body 101 that is flexible coupling, passing through the heat conduction on conductive structure 102
Heat transfer when substrate 1021 works the body 101 that is flexible coupling is on multiple heat conduction fins 1022, realizing to being flexible coupling 100
The conduction of heat, because the quantity of heat conduction fin 1022 is more, the contact area with air is also bigger, faster can dissipate heat
Heat reduces by 100 temperature of itself that are flexible coupling into air.The battery in battery modules is avoided by 100 influences that are flexible coupling of high temperature
And there is the situation of thermal run away, improve the power supply safety of battery modules.
It is described above, embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model is disclosed
Or replace, it should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be described with power
The protection domain that profit is required is defined.
Claims (10)
1. a kind of new flexible connection structure, it is characterised in that including body and at least conductive structure, the soft company of being flexible coupling
Body is connect to be conductively connected including the first conductive connection part, the second conductive connection part and connection first conductive connection part, second
The middle interconnecting piece in portion, the body that is flexible coupling is made up of plurality of conductive layers;
The conductive structure includes the thermal-conductivity substrate fitted with the body side that is flexible coupling and is arranged in the thermal-conductivity substrate
Multiple heat conduction fins.
2. new flexible connection structure according to claim 1, it is characterised in that the thermal-conductivity substrate is insulating heat-conductive material
Material.
3. new flexible connection structure according to claim 1, it is characterised in that the thermal-conductivity substrate is flexible coupling with described
Insulating heat-conductive pad is provided between body.
4. new flexible connection structure according to claim 1, it is characterised in that the heat conduction fin is metal.
5. new flexible connection structure according to claim 1, it is characterised in that the thermal-conductivity substrate and the heat conduction fin
Piece is integrally formed.
6. new flexible connection structure according to claim 1, it is characterised in that the thermal-conductivity substrate and the heat conduction fin
Piece is separate, and the neck matched with the heat conduction fin is provided with the thermal-conductivity substrate, and the heat conduction fin passes through institute
Neck is stated to be connected together with the thermal-conductivity substrate.
7. new flexible connection structure according to claim 1, it is characterised in that first conductive connection part and described
Fixing hole is respectively arranged with second conductive connection part, the conductive layer is provided with through hole in the position of the correspondence fixing hole.
8. new flexible connection structure according to claim 7, it is characterised in that the body that is flexible coupling passes through described solid
Determine hole to be connected with the collector plate in battery modules, the battery modules include multiple cells, be flexible coupling body and the institute
State and be provided with heat insulation structural between cell.
9. new flexible connection structure according to claim 1, it is characterised in that the conductive layer is aluminium foil layer or copper foil
Layer.
10. a kind of battery modules, it is characterised in that including multiple battery cells, the electrode of the battery cell respectively with afflux
Plate is connected, and the collector plate is connected by being flexible coupling with other battery modules, described to be flexible coupling including the first conductive connection part, the
Two conductive connection parts and connect first conductive connection part, the middle interconnecting piece of the second conductive connection part, it is described be flexible coupling by
Plurality of conductive layers is constituted;
The side that is flexible coupling is provided with an at least conductive structure, and the conductive structure includes and the heat conduction for being flexible coupling and fitting
Substrate and the multiple heat conduction fins being arranged in the thermal-conductivity substrate.
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CN201720062462.5U CN206353568U (en) | 2017-01-17 | 2017-01-17 | A kind of new flexible connection structure and battery modules |
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CN201720062462.5U CN206353568U (en) | 2017-01-17 | 2017-01-17 | A kind of new flexible connection structure and battery modules |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106784568A (en) * | 2017-01-17 | 2017-05-31 | 华霆(合肥)动力技术有限公司 | A kind of new flexible connection structure and battery modules |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106784568A (en) * | 2017-01-17 | 2017-05-31 | 华霆(合肥)动力技术有限公司 | A kind of new flexible connection structure and battery modules |
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GR01 | Patent grant | ||
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CP02 | Change in the address of a patent holder |
Address after: 230000 Anhui Hefei economic and Technological Development Zone, Xin Xin Road, No. 62 power battery factory Patentee after: Huating (Hefei) Power Technology Co., Ltd. Address before: 230000 No. 26, No. 5, Tsing Luen Road, Hefei economic and Technological Development Zone, Anhui Patentee before: Huating (Hefei) Power Technology Co., Ltd. |