CN108550956A - Battery modules and electric vehicle - Google Patents
Battery modules and electric vehicle Download PDFInfo
- Publication number
- CN108550956A CN108550956A CN201810637698.6A CN201810637698A CN108550956A CN 108550956 A CN108550956 A CN 108550956A CN 201810637698 A CN201810637698 A CN 201810637698A CN 108550956 A CN108550956 A CN 108550956A
- Authority
- CN
- China
- Prior art keywords
- soft
- battery
- heat conduction
- package battery
- flat tube
- 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
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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
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- 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
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- 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
- H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
-
- 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
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
- H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
-
- 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)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
A kind of battery modules of present invention proposition and power vehicle, the battery modules include soft-package battery, liquid cooling flat tube and heat conduction partition, multiple soft-package battery side-by-side parallel settings, the liquid cooling flat tube is between being located at the adjacent soft-package battery, for carrying out heat management to the soft-package battery.Soft-package battery can expand after temperature raising, the heat conduction partition made of embedded soft material in liquid cooling flat tube and soft-package battery, the dilation amount that soft-package battery can be absorbed is avoided since soft-package battery caused by the mutual extruding of liquid cooling flat tube and soft-package battery is impaired.
Description
Technical field
The present invention relates to field of batteries, in particular to a kind of battery modules and electric vehicle.
Background technology
With the continuous development of science and technology, electric vehicle the energy saving of its own with influenced caused by environment it is small etc. due to
It is of increased attention.
Although there are many advantages compared with orthodox car for electric vehicle, battery modules are applied in electric vehicle
There is also problems.Liquid cooling flat tube can be all set in general battery modules, heat management is carried out to soft-package battery, in existing skill
In order to enable liquid cooling flat tube more efficiently to carry out heat management to soft-package battery in art, usually by soft-package battery and liquid cooling flat tube
It is in direct contact, but the volume of soft-package battery and shape can change when own temperature changes, in the prior art, due to soft
Packet battery is in direct contact with liquid cooling flat tube, and the volume and shape of soft-package battery change so that soft-package battery connects with liquid cooling flat tube
Contact portion divides stress excessive, causes soft-package battery damaged, influences the bulk life time of battery modules.
And how to reduce that soft-package battery expands with heat and contract with cold and squeezed with liquid cooling flat tube, so as to cause the breakage of soft-package battery, it is
Those skilled in the art are badly in need of technical problems to be solved at present.
Invention content
To solve the above-mentioned problems, a kind of battery modules of offer of the embodiment of the present invention and electric vehicle.
In a first aspect, the embodiment of the present invention provides a kind of battery modules, the battery modules include：
Soft-package battery, liquid cooling flat tube and heat conduction partition, multiple soft-package battery side-by-side parallel settings, the liquid cooling flat tube
Between being located at the adjacent soft-package battery, for carrying out heat management to the soft-package battery.
The heat conduction partition, which is placed, to be arranged between the soft-package battery and the liquid cooling flat tube, for absorbing the Soft Roll
The dilation amount of battery.
Optionally, in the present embodiment, the heat conduction partition is arranged in the both sides of the liquid cooling flat tube.
Optionally, in the present embodiment, the heat conduction partition stickup is set on the liquid cooling flat tube.
Optionally, in the present embodiment, the heat conduction partition is fabricated using heat conduction soft material.
Optionally, in the present embodiment, the material of the heat conduction partition is polyvinylchloride or thermoplastic polyurethane elastic
Body rubber TPU.
Optionally, in the present embodiment, the size of the heat conduction partition is identical as the size of the soft-package battery.
Optionally, in the present embodiment, the size and shape of the heat conduction partition and the liquid cooling flat tube and the Soft Roll
The size shape that battery contacts with each other part is identical.
Optionally, in the present embodiment, asperities are provided on the heat conduction partition, the asperities are distributed in entire electricity
On the partition of pond.
Optionally, in the present embodiment, the shape of the asperities selects diamond shape asperities, square concave-convex line, triangle
At least one of asperities, bar shaped asperities, tangerine line.
Second aspect, the present invention also provides a kind of electric vehicle, the electric vehicle includes engine and first aspect
The battery modules.
Compared with the existing technology, the embodiment of the present invention has the advantages that：
The present invention provides a kind of battery modules and electric vehicle, the battery modules include soft-package battery, liquid cooling flat tube
And heat conduction partition, multiple soft-package battery side-by-side parallels settings, the liquid cooling flat tube is around being located at the adjacent soft-package battery
Between, for carrying out heat management to the soft-package battery.The heat conduction partition is arranged in the soft-package battery and institute the present invention
Between stating liquid cooling flat tube, the dilation amount for absorbing the soft-package battery.Soft-package battery meeting under the action of liquid cooling flat tube
Phenomenon of expanding with heat and contract with cold can absorb the expansion receipts of soft-package battery in liquid cooling flat tube and embedded heat conduction partition in soft-package battery
Contracting amount avoids the mutual extruding due to liquid cooling flat tube and soft-package battery from causing soft-package battery impaired.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the partial schematic diagram for the battery modules that the embodiment of the present invention one provides；
Fig. 2 is the structural schematic diagram of liquid cooling flat tube in the embodiment of the present invention；
Fig. 3 is the relative position schematic diagram of one soft-package battery of inventive embodiments and heat conduction partition；
Fig. 4 is the side view for the liquid cooling flat tube that the embodiment of the present invention one provides.
Icon：10- soft-package batteries；20- heat conduction partitions；30- liquid cooling flat tubes；100- battery modules.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it should be noted that term " first ", " second " " third " etc. are only used for distinguishing and retouch
It states, is not understood to indicate or imply relative importance.
The orientation or positional relationship of the instructions such as term "upper", "lower", "left", "right", "inner", "outside" is based on shown in attached drawing
Orientation or positional relationship or the invention product using when the orientation or positional relationship usually put, be merely for convenience of
The description present invention and simplified description, do not indicate or imply the indicated device or element must have a particular orientation, with spy
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, the terms such as " vertical " are not offered as requiring absolute upright between component, but can be slightly tilted.As " hung down
Refer to directly " only that its direction is in contrast more vertical, be not indicate the structure have to it is completely vertical, but can be slightly
It tilts.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " etc. shall be understood in a broad sense.For example, it may be being fixedly connected, may be a detachable connection, or
It is integrally connected；It can be mechanical connection, can also be electrical connection；It can be directly connected, it can also be by between intermediary
It connects connected, can be the connection inside two elements.For the ordinary skill in the art, can be understood with concrete condition
The concrete meaning of above-mentioned term in the present invention.
Embodiment one
Fig. 1 is please referred to, Fig. 1 is the partial schematic diagram for the battery modules that the embodiment of the present invention one provides, the battery modules
100 include：
Soft-package battery 10, liquid cooling flat tube 30 and heat conduction partition 20, multiple 10 side-by-side parallel of soft-package battery settings are described
Liquid cooling flat tube 30 is between being located at the adjacent soft-package battery 10, for carrying out heat management to the soft-package battery 10.
The liquid cooling flat tube 30 includes coolant liquid, and the coolant liquid can be the mixed solution of ethylene glycol and water, be used for
Temperature management is carried out to the soft-package battery, avoids Soft Roll from generating heat, the performance of battery is impacted, reduce entire battery modules
Service life.
Fig. 2 is please referred to, Fig. 2 is the structural schematic diagram of liquid cooling flat tube in the embodiment of the present invention, and the heat conduction partition 20 is placed
It is arranged between the soft-package battery 10 and the liquid cooling flat tube 30, the dilation amount for absorbing the soft-package battery 10,
The liquid cooling flat tube 30 to the soft-package battery 10 carry out heat management, the soft-package battery 10 when own temperature changes its
The size and shape of itself can also change, that is, the phenomenon that can expand with heat and contract with cold, if the liquid cooling flat tube 30 directly with
The soft-package battery 10 contacts, can be mutual with the liquid cooling flat tube 30 when the soft-package battery 10 expands with heat and contract with cold phenomenon
It squeezes, since the liquid cooling flat tube 30 is made of rigid material, mutually squeezing can cause the soft-package battery 10 damaged, influence
The service life of entire battery modules.
Soft-package battery 10 can generate heat when in use, and the volume after heated of the soft-package battery 10 can expand, the heat conduction every
Piece 20 can avoid the soft-package battery 10 and the liquid cooling flat tube 30 to the swelling volume of the soft-package battery 10 into row buffering
It is damaged caused by mutually squeezing, reduces the service life of battery modules 100.
Fig. 3 is please referred to, Fig. 3 is the relative position schematic diagram of one soft-package battery of inventive embodiments and heat conduction partition, in this reality
It applies in mode, the heat conduction partition 20 is arranged allows the both sides of the liquid cooling flat tube 30 can in the both sides of the liquid cooling flat tube 30
It is contacted with the heat conduction partition 20, the soft-package battery 10 is made not to be in direct contact with the liquid cooling flat tube 30, reduced described
Soft-package battery 10 is in direct contact during expanded by heating with liquid cooling flat tube, and caused soft-package battery is damaged.
In the present embodiment, the both sides of the liquid cooling flat tube 30 are both provided with the heat conduction partition 20, can so make
The soft-package battery 10 does not contact completely with the liquid cooling flat tube 30, avoids the soft-package battery 10 and liquid made of rigid material
Cold flat tube 30, which mutually squeezes, causes the soft-package battery to damage, and can increase the service life of battery modules 100, avoid often more
Change the inconvenience that battery is brought.
In the other embodiment of the present embodiment, the stickup of heat conduction partition 20 is set on the liquid cooling flat tube 30,
The opposite sliding with the liquid cooling flat tube 30 of the heat conduction partition 20 can be avoided by the way of pasting setting.
It is worth noting that adopting the heat conduction partition 20 and the liquid cooling in the method for paste of mentioning of above-described embodiment
Flat tube 30 be set together only to an embodiment of the present embodiment for example, the present embodiment other embodiment party
In formula, the heat conduction partition 20 can also use other manner setting the soft-package battery 10 and the liquid cooling flat tube 30 it
Between.
In the present embodiment, the heat conduction partition 20 is fabricated using heat conduction soft material, the heat conduction soft material
Insulation, fire-retardant function can also be played while heat conduction.
In an embodiment of the present embodiment, the material of the heat conduction partition 20 is polyvinylchloride or thermoplasticity
Elastic polyurethane body rubber TPU, both materials are all plastic material, can be properly arrived at heat conduction, insulation and fire-retardant work(
Energy.
It is worth noting that the material of the heat conduction partition 20 mentioned above is polyvinylchloride or thermoplastic poly ammonia
Ester elastomer rubber TPU be only to an embodiment of the present embodiment for example, the present embodiment other embodiment party
In formula, it can also use other that there is the material of insulation, heat conduction, flame retarding function to make the heat conduction partition 20.
In an embodiment of the present embodiment, the size of the size and the soft-package battery 10 of the heat conduction partition 20
It is identical, using the heat conduction partition 20 with 10 same size of the soft-package battery so that the soft-package battery 10 and the heat conduction every
The contact surface of piece 20 reaches maximum, can maximumlly reduce when the soft-package battery 10 expands with heat and contract with cold the soft-package battery 10 by
In liquid cooling pipe 30 effect and caused by damage.
Please refer to Fig. 4, Fig. 4 is the side view for the liquid cooling flat tube that the embodiment of the present invention one provides, the liquid cooling flat tube 30 with
The part that the soft-package battery 10 contacts is strip flat tube, in the another embodiment of the present embodiment, the heat conduction partition
It is identical that 20 size and shape and the liquid cooling flat tube 30 and the soft-package battery 10 contact with each other the size shape of part, i.e. institute
The shape for stating heat conduction partition 20 can also be strip, and material can be saved in the fabrication process using the heat conduction partition 20 of such shape
Material, reduces cost, while can also reach and soft-package battery is protected not to be damaged when expanding with heat and contract with cold.
In an embodiment of the present embodiment, asperities, the asperities point are provided on the heat conduction partition 20
Cloth is on entire heat conduction partition 20.
Asperities are set on the heat conduction partition 20, is conducive to the surface area for increasing the heat conduction partition 20, increases
The contact area of heat conduction partition 20 and soft-package battery 10 enhances the heat-sinking capability of heat conduction partition 20, advantageously allows battery pack
Internal temperature evenly, while also can preferably protect soft-package battery 10 not to be damaged.
In the another embodiment of the present embodiment, the asperities shape of the heat conduction partition 20 selects diamond shape concave-convex
At least one of line, square concave-convex line, triangle asperities, bar shaped asperities, tangerine line.
It is only to asperities shape for example, not constituting to asperities shape it is worth noting that mentioned above
Restriction, in the other embodiment of the present embodiment, the asperities shape can also use other stripeds.
Embodiment two
The embodiments of the present invention also provide a kind of electric vehicle, the electric vehicle includes engine and first aspect institute
The battery modules 100 stated.
The battery modules 100 carry out making the service life that can extend battery using method mentioned above, avoid
Battery premature breakdown, while the usage experience of electric vehicle can be promoted.
In conclusion the present invention provides a kind of battery modules and electric vehicle, the battery modules include soft-package battery,
Liquid cooling flat tube and heat conduction partition, multiple soft-package battery side-by-side parallels settings, the liquid cooling flat tube around be located at it is adjacent described in
Between soft-package battery, for carrying out heat management to the soft-package battery.The heat conduction partition is arranged in the Soft Roll present invention
Between battery and the liquid cooling flat tube, the dilation amount for absorbing the soft-package battery.Liquid cooling flat tube can be to Soft Roll electricity
Pond carries out heat management, and soft-package battery can expand with heat and contract with cold phenomenon under the action of liquid cooling flat tube, in the prior art liquid cooling flat tube
It is in direct contact with soft-package battery, since liquid cooling flat tube is made of rigid material, the soft-package battery meeting and liquid after expanded by heating
Cold flat tube mutually squeezes and causes soft-package battery damaged.Embedded heat conduction partition, can absorb in liquid cooling flat tube and soft-package battery
The dilation amount of soft-package battery, avoid mutually squeezing and caused by soft-package battery it is impaired, battery modules mentioned above are answered
The number for replacing battery can be also reduced in electric vehicle, increase the service life of electric vehicle, while making the use of user
Experience reaches best.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of battery modules, which is characterized in that the battery modules include：
Soft-package battery, liquid cooling flat tube and heat conduction partition；
Multiple soft-package battery side-by-side parallel settings；
The liquid cooling flat tube is between being located at the adjacent soft-package battery, for carrying out heat management to the soft-package battery；
The heat conduction partition, which is placed, to be arranged between the soft-package battery and the liquid cooling flat tube, for absorbing the soft-package battery
Dilation amount.
2. a kind of battery modules according to claim 1, which is characterized in that the heat conduction partition setting is flat in the liquid cooling
The both sides of pipe.
3. a kind of battery modules according to claim 1, which is characterized in that the heat conduction partition stickup is set to the liquid
On cold flat tube.
4. according to a kind of battery modules described in claim 1-3 any one, which is characterized in that the heat conduction partition is used and led
Hot soft material is fabricated.
5. a kind of battery modules according to claim 4, which is characterized in that the material of the heat conduction partition is polyvinyl chloride
PVC or thermoplastic polyurethane elastomer rubber TPU.
6. a kind of battery modules according to claim 5, which is characterized in that the size of the heat conduction partition and the Soft Roll
The size of battery is identical.
7. a kind of battery modules according to claim 5, which is characterized in that the size and shape of the heat conduction partition and institute
State liquid cooling flat tube contacted with each other with the soft-package battery part size shape it is identical.
8. a kind of battery modules according to claim 7, which is characterized in that asperities are provided on the heat conduction partition,
The asperities are distributed on entire battery separator.
9. a kind of battery modules according to claim 8, which is characterized in that the shape of the asperities selects diamond shape concave-convex
At least one of line, square concave-convex line, triangle asperities, bar shaped asperities, tangerine line.
10. a kind of electric vehicle, which is characterized in that the electric vehicle includes engine and multiple such as claim 1-9 arbitrary
Battery modules described in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810637698.6A CN108550956A (en) | 2018-06-20 | 2018-06-20 | Battery modules and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810637698.6A CN108550956A (en) | 2018-06-20 | 2018-06-20 | Battery modules and electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108550956A true CN108550956A (en) | 2018-09-18 |
Family
ID=63492940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810637698.6A Pending CN108550956A (en) | 2018-06-20 | 2018-06-20 | Battery modules and electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108550956A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109524742A (en) * | 2018-10-08 | 2019-03-26 | 中国电力科学研究院有限公司 | Prevent the lithium ion battery mould group of thermal runaway |
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| US20140205882A1 (en) * | 2013-01-24 | 2014-07-24 | Farasis Energy, Inc. | Li-ion pouch cell and a cell module |
| CN105977578A (en) * | 2016-07-25 | 2016-09-28 | 华霆（合肥）动力技术有限公司 | Liquid cooling flat tube encapsulation structure and power device |
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| CN109524742A (en) * | 2018-10-08 | 2019-03-26 | 中国电力科学研究院有限公司 | Prevent the lithium ion battery mould group of thermal runaway |
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