CN107039704A - A kind of composite radiating type battery modules - Google Patents
A kind of composite radiating type battery modules Download PDFInfo
- Publication number
- CN107039704A CN107039704A CN201710147596.1A CN201710147596A CN107039704A CN 107039704 A CN107039704 A CN 107039704A CN 201710147596 A CN201710147596 A CN 201710147596A CN 107039704 A CN107039704 A CN 107039704A
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- China
- Prior art keywords
- lower carriage
- air flow
- flow chamber
- battery modules
- heat conductive
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- 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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- 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
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/643—Cylindrical 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
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
-
- 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
-
- 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
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
-
- 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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- 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
The invention discloses a kind of composite radiating type battery modules, including casing and multiple single battery cores, also include upper bracket, lower carriage, nickel sheet and air pressurizing unit, single battery core top and bottom are connected with upper bracket and lower carriage respectively, and single battery core bottom is welded with nickel sheet, nickel sheet has heat conductive pad, heat conductive pad contacts laminating with nickel sheet, heat conductive pad has mica sheet, mica sheet is contacted with heat conductive pad is provided with air flow chamber in laminating, lower carriage, air flow chamber is connected with air pressurizing unit, lower carriage upper surface is provided with throttle orifice, and throttle orifice is connected with air flow chamber.Compact conformation of the present invention, improve battery energy density, and the composite radiating mode constituted using contact heat transfer radiator structure and throttling expansion formula air cooling radiator structure realizes the heat transfer of environment and external environment in battery modules closing, the direct zone of action of radiating is goed deep into inside battery modules, the coverage rate that radiates is big, radiating efficiency is high, and radiating is evenly.
Description
Technical field
The present invention relates to a kind of apparatus for storing electrical energy, more specifically, it relates to a kind of bottom heat radiation battery modules.
Background technology
With the development of electric automobile, lithium ion battery turns into an important development direction of current electric automobile, due to
Energy needed for automobile batteries bag is high, generally requires to be connected by thousands of single battery cores, and because discharge current needed for automobile is big, electricity
Core heating is serious, and very big hidden danger is caused to cell safety.In this case, how design energy density is high, radiating effect
Good battery modules turn into emphasis and the technological difficulties that industry is paid close attention to.At present, the radiating that automobile lithium ion battery bag is mainly used
Mode is that liquid is cold, air-cooled and natural heat dissipation respectively, and wherein preferably, but its is complicated for the cold effect of liquid, and energy density is relatively low, into
This height, and potential safety hazard is big；Air cooling effect is cold inferior to liquid, but its heat dissipation uniformity is poor, high expensive and product closure
It is poor；Natural cooling effect is worst, and temperature is too high in use for battery, has a strong impact on the safety of battery bag and uses the longevity
Life.The radiating mode that existing battery modules are used is more single, and is generally only that battery modules are carried out in regional environment
Overall heat dissipation, and can not be different to battery modules heating position carry out all standing directly radiate, therefore radiate it is uneven, dissipate
The thermal efficiency is relatively low.Publication No. CN204045697U utility model disclosed a kind of cold lithium of sealing fluid on December 24th, 2014
Ion battery bag, applied to cell art, the cold lithium ion battery bag of the sealing fluid includes：Upper lid, cooling pipe, electrically connect
Mouth, batteries, lower box；Wherein, upper lid matches with lower box, is closed together on lower box, the side wall of upper lid is provided with
Pipe perforation；Cooling pipe is arranged in upper lid by pipe perforation, and two ends are located at upper outer side of lid；The side wall of lower box is provided with electricity
Gas interface；Batteries are installed in lower box；One end sealing electrical connection batteries of electric interfaces.The present invention is by battery bag
The structure being made up of upper lid, lower box, cooling pipe, electric interfaces, batteries of separable production and processing etc. is designed to,
With radiating efficiency is high, barrier propterty is good, be readily produced assembling maintenance, the low feature of cost.But the invention and conventional liquid are cold
Formula battery is the same, exists complicated, and energy density is relatively low, and cost is high, the big shortcoming of potential safety hazard, and radiating mode list
One, it is difficult to obtain more preferably radiating effect.
The content of the invention
The radiating mode that existing battery modules are used is more single, and heat dissipation path is long, and heat dissipation uniformity is poor, radiating
It is less efficient, to overcome these defects, the invention provides a kind of radiating mode is more rich, radiating evenly, it is more efficient
Composite radiating type battery modules.
The technical scheme is that：A kind of composite radiating type battery modules, including casing and multiple single battery cores, are also wrapped
Upper bracket, lower carriage, nickel sheet and air pressurizing unit are included, single battery core top and bottom are connected with upper bracket and lower carriage respectively,
And single battery core bottom is welded with nickel sheet, nickel sheet has heat conductive pad, and heat conductive pad contacts laminating with nickel sheet, and heat conductive pad has cloud
Master slice, mica sheet is contacted with heat conductive pad is provided with air flow chamber in laminating, lower carriage, air flow chamber is connected with air pressurizing unit, lower carriage
Upper surface is provided with throttle orifice, and throttle orifice is connected with air flow chamber.Upper bracket, lower carriage are supported to single battery core formation, make multiple lists
The connection of body battery core is integrated, and constitutes energy density height, the good battery modules of structural strength.Nickel sheet, heat conductive pad, mica sheet are successively contacted
Laminating, forms the higher heat conduction structure of heat transference efficiency, the heat conduction structure carries out heat exchange with casing again, by single battery core
The heat that work is produced is discharged to outside battery modules.At the same time, the air after pressurization is inputted air flow chamber, air-flow by air pressurizing unit
Chamber leads to outside throttle orifice and is processed into reduced size so that air flow chamber turnover air has speed difference, and air flow chamber is formed necessarily
Air in air pressure, air flow chamber at high pressure via throttle orifice to the relatively low flows outside of pressure, form throttling expansion effect, stream
The air themperature gone out is lower than air flow chamber air temperature, and the air-flow flowed out from throttle orifice blows to portion more than single battery core bottom
Position, cooling effect is played to epimere in single battery core.Be present the contact of larger area with nickel sheet in single battery core bottom, be adapted to
Using the radiator structure of contact heat transfer, and epimere is mostly in air encirclement in single battery core, the metal with large area
Plate does not have the direct contact of large area, is adapted to use air cooling radiator structure, therefore, this battery modules is according to own structural characteristics
Carry out targetedly radiating with structure using the composite radiating mode of contact heat transfer and throttling expansion formula air cooling, radiating knot
The connection of structure and battery modules, supporting construction reach hight coordinate, merged, and battery mould is goed deep into the direct zone of action of radiator structure
Group is internal, and directly radiating coverage rate is improved while battery energy density is ensured, radiating effect faster evenly is obtained.
Preferably, provided with two grades of heat conductive pads below mica sheet, the top surfaces of two grades of heat conductive pads, bottom surface respectively with mica sheet and
The bottom half contact laminating.Two grades of heat conductive pads, mica sheet, casings also constitute a contact heat transfer structure, with monomer
Battery core is linked to be a complete heat-transfer path, realizes the heat transfer of environment and external environment in battery modules closing.
Preferably, being provided with aluminium flake above upper bracket, single battery core top is electrically connected with aluminium flake.Single battery core electrode is usual
Positioned at top, single battery core top is electrically connected with aluminium flake, is thus integrated each single battery core using aluminium flake as connection conductor and is connected
For battery modules.
Preferably, aluminium flake, nickel sheet are Nian Jie with upper bracket, lower carriage respectively.Aluminium flake, nickel sheet pass through bonding way and upper branch
Frame, lower carriage connection, it is simple in construction, it is easy to implement.
Preferably, upper bracket and lower carriage are provided with the slot being adapted to single battery core, single battery core is plugged on slot
In.Single battery core, which is plugged in slot, can ensure that single battery core is consolidated and is connected with upper bracket, lower carriage.
Preferably, the air flow chamber is the fenestral fabric being made up of gas channel, point that gas channel interweaves in length and breadth
It is distributed on lower carriage between each slot, completely cuts off between air flow chamber and slot.Gas channel is opened in the gap of slot, is taken full advantage of
The structure space of lower carriage, will not also be damaged to inserting slot construction.The latticed air flow chamber being made up of gas channel can be compared with
The structure of lower carriage is adapted to well so that radiator structure is preferably incorporated in the structural framing of battery modules, it is ensured that battery modules
Structural compactness.
Preferably, lower carriage is split under split on Split type structure, including support and support, split and support on support
Top surface and bottom surface of the composition surface of lower split parallel to lower carriage, and divide air flow chamber equally along the vertical profile direction of the air flow chamber.Such as
Fruit is using the lower carriage of integrative-structure, and processing gas channel difficulty is larger between slot, when especially slot is dislocatedly distributed, and uses
Conventional drilling technique can not almost complete the processing of latticed air flow chamber, and extremely convenient is then processed using Split type structure, can be
The split semi-open gas channel corresponding, equal sized with position is opened up on the composition surface of split under support respectively on support, so
Split split again under split and support on after-poppet, you can constitute complete air flow chamber.
Preferably, being provided with pressure sensor in the air flow chamber.It is empty because the air inlet outlet of air flow chamber has speed difference
If gas booster continuous running air-flow cavity pressure can be incrementally increased, it is unfavorable for keeping the pressure difference inside and outside air flow chamber stable, easily
Because air-flow cavity pressure is excessive and caused by unnecessary hardware damage, set pressure sensor to be supervised to air flow chamber internal pressure
Survey, can feedback air booster break-off, holding air flow chamber inside and outside differential pressure stabilization, so that stable play if pressure is excessive
Thermolysis.
Preferably, single battery core is Nian Jie with upper bracket and lower carriage.By viscous between single battery core and upper bracket, lower carriage
Bonding strength can further be strengthened by connecing.
The beneficial effects of the invention are as follows：
Improve radiating effect.The present invention is constituted using contact heat transfer radiator structure and throttling expansion formula air cooling radiator structure
Composite radiating mode realizes the heat transfer of environment and external environment in battery modules closing, and battery is goed deep into the direct zone of action of radiating
Module internal, radiating coverage rate is big, and radiating efficiency is high, and radiating is evenly.
Compact conformation, improves battery energy density.Radiator structure and the structural framing of battery modules closely melt in the present invention
Close, make battery module structure compact, improve battery energy density.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the invention.
In figure, 1- single battery cores, 2- upper brackets, 3- aluminium flakes, 4- lower carriages, 5- nickel sheet, 6- heat conductive pads, 7- mica sheets, 8-
Two grades of heat conductive pads, 9- air pressurizing units.
Embodiment
The invention will be further described for specific embodiment below in conjunction with the accompanying drawings.
Embodiment：
As shown in figure 1, a kind of bottom heat radiation battery modules, including casing and 288 single battery cores 1, in addition to upper bracket 2, under
Support 4, aluminium flake 3, nickel sheet 5 and air pressurizing unit 9, upper bracket 2 and lower carriage 4 are made of plastic, upper bracket 2 and lower carriage 4
Provided with the slot that be adapted to single battery core 1, the top of single battery core 1 and bottom are plugged on the slotting of upper bracket 2 and lower carriage 4 respectively
In groove, then use glue sticking.Aluminium flake 3 is located at the top of upper bracket 2 and the top of single battery core 1 and aluminium flake 3 form electricity by welding aluminium wire
Connection, nickel sheet 5 is below lower carriage 4 and the bottom of single battery core 1 is welded with nickel sheet 5 by resistance-welding process, and nickel sheet 5 has
Heat conductive pad 6, heat conductive pad 6 contacts laminating with nickel sheet 5, and heat conductive pad 6 has mica sheet 7, and mica sheet 7 contacts laminating with heat conductive pad 6.
The lower section of mica sheet 7 provided with two grades of heat conductive pads 8, the top surfaces of two grades of heat conductive pads 8, bottom surface respectively with mica sheet 7 and the bottom half
Contact laminating.Air flow chamber is provided with lower carriage 4, air flow chamber is connected with air pressurizing unit 9, and the upper surface of lower carriage 4 is provided with aperture
0.2mm throttle orifice, throttle orifice is connected with air flow chamber.The air flow chamber is the fenestral fabric being made up of gas channel, air-flow
What channel aspect interweaved is distributed on lower carriage 4 between each slot, completely cuts off between air flow chamber and slot.Lower carriage 4 is Split type structure, bag
Include on support the composition surface of split under split and support on split under split and support, support parallel to the top surface of lower carriage 4 and
Bottom surface, and divide air flow chamber equally along the vertical profile direction of the air flow chamber.Pressure sensor is provided with the air flow chamber.Air pressurizing unit
The air radiating being easy to after compression is made of aluminium alloy for 9 shells.
Nickel sheet 5, heat conductive pad 6, mica sheet 7, two grades of heat conductive pads 8 and bottom half successively contact laminating, form heat transfer effect
The higher contact heat transfer structure of rate, is linked to be a complete heat-transfer path with single battery core 1, can be efficiently by single battery core
The heat that 1 work is produced is discharged to outside battery modules.Meanwhile, air pressurizing unit 9 is defeated by sealed pipeline by the air after pressurization
Enter air flow chamber, air flow chamber leads to outside throttle orifice and is processed into reduced size so that air flow chamber turnover air has speed difference, gas
The air that is formed in certain air pressure, air flow chamber of stream chamber at high pressure via throttle orifice to the relatively low flows outside of pressure, form section
Bulking effect is flowed, the air themperature of outflow is lower than air flow chamber air temperature, the air-flow flowed out from throttle orifice blows to monomer electricity
Position more than core bottom, cooling effect is played to epimere in single battery core.Pressure sensor is carried out to air flow chamber internal pressure
Monitoring, can the break-off of feedback air booster 9, holding air flow chamber inside and outside differential pressure stabilization, so that stable if pressure is excessive
Play thermolysis.
Claims (9)
1. a kind of composite radiating type battery modules, including casing and multiple single battery cores（1）, it is characterized in that also including upper bracket
（2）, lower carriage（4）, nickel sheet（5）And air pressurizing unit（9）, single battery core（1）Top and bottom respectively with upper bracket（2）With under
Support（4）Connection, and single battery core（1）Bottom and nickel sheet（5）Welding, nickel sheet（5）Have heat conductive pad（6）, heat conductive pad（6）With
Nickel sheet（5）Contact laminating, heat conductive pad（6）Have mica sheet（7）, mica sheet（7）With heat conductive pad（6）Contact laminating, lower carriage
（4）It is interior to be provided with air flow chamber, air flow chamber and air pressurizing unit（9）Connection, lower carriage（4）Upper surface be provided with throttle orifice, throttle orifice with
Air flow chamber is connected.
2. composite radiating type battery modules according to claim 1, it is characterized in that mica sheet（7）Lower section is provided with two grades of heat conduction
Pad（8）, two grades of heat conductive pads（8）Top surface, bottom surface respectively with mica sheet（7）Contact and fit with the bottom half.
3. composite radiating type battery modules according to claim 1, it is characterized in that upper bracket（2）Top is provided with aluminium flake（3）,
Single battery core（1）Top and aluminium flake（3）Welding.
4. composite radiating type battery modules according to claim 3, it is characterized in that aluminium flake（3）, nickel sheet（5）Respectively with upper branch
Frame（2）, lower carriage（4）Bonding.
5. composite radiating type battery modules according to claim 1, it is characterized in that upper bracket（2）And lower carriage（4）On set
Have and single battery core（1）The slot of adaptation, single battery core（1）It is plugged in slot.
6. composite radiating type battery modules according to claim 5, it is characterized in that the air flow chamber is by gas channel structure
Into fenestral fabric, what gas channel interweaved in length and breadth is distributed in lower carriage（4）Between upper each slot, air flow chamber and slot interval
Absolutely.
7. composite radiating type battery modules according to claim 1, it is characterized in that lower carriage（4）For Split type structure, including
On support on split under split and support, support under split and support the composition surface of split parallel to lower carriage（4）Top surface and
Bottom surface, and divide air flow chamber equally along the vertical profile direction of the air flow chamber.
8. composite radiating type battery modules according to any one of claim 1 to 7, it is characterized in that being set in the air flow chamber
There is pressure sensor.
9. composite radiating type battery modules according to any one of claim 1 to 7, it is characterized in that single battery core（1）With
Upper bracket（2）And lower carriage（4）Bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710147596.1A CN107039704B (en) | 2017-03-13 | 2017-03-13 | A kind of composite radiating type battery modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710147596.1A CN107039704B (en) | 2017-03-13 | 2017-03-13 | A kind of composite radiating type battery modules |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107039704A true CN107039704A (en) | 2017-08-11 |
| CN107039704B CN107039704B (en) | 2019-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710147596.1A Active CN107039704B (en) | 2017-03-13 | 2017-03-13 | A kind of composite radiating type battery modules |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108181862A (en) * | 2017-12-05 | 2018-06-19 | 重庆文理学院 | Ultracapacitor manages system |
| CN109616598A (en) * | 2018-12-31 | 2019-04-12 | 常州车之翼动力科技有限公司 | 36V dynamic lithium battery |
| CN110690529A (en) * | 2019-10-10 | 2020-01-14 | 湖南电将军新能源有限公司 | Battery module fast dispels heat |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204167420U (en) * | 2014-10-24 | 2015-02-18 | 北汽福田汽车股份有限公司 | A kind of lithium ion battery and lithium ion battery bag |
| CN105552268A (en) * | 2016-01-30 | 2016-05-04 | 华南理工大学 | Air-cooling battery box with cooling fins for multi-outlet electric vehicle batteries |
| CN106058100A (en) * | 2012-09-06 | 2016-10-26 | 阿提瓦公司 | Battery pack with dispensing stoppers on frame |
-
2017
- 2017-03-13 CN CN201710147596.1A patent/CN107039704B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058100A (en) * | 2012-09-06 | 2016-10-26 | 阿提瓦公司 | Battery pack with dispensing stoppers on frame |
| CN204167420U (en) * | 2014-10-24 | 2015-02-18 | 北汽福田汽车股份有限公司 | A kind of lithium ion battery and lithium ion battery bag |
| CN105552268A (en) * | 2016-01-30 | 2016-05-04 | 华南理工大学 | Air-cooling battery box with cooling fins for multi-outlet electric vehicle batteries |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108181862A (en) * | 2017-12-05 | 2018-06-19 | 重庆文理学院 | Ultracapacitor manages system |
| CN109616598A (en) * | 2018-12-31 | 2019-04-12 | 常州车之翼动力科技有限公司 | 36V dynamic lithium battery |
| CN110690529A (en) * | 2019-10-10 | 2020-01-14 | 湖南电将军新能源有限公司 | Battery module fast dispels heat |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107039704B (en) | 2019-07-23 |
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Address after: 6 / F, Xintu building, 451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province, 310051 Patentee after: Zhejiang Zero run Technology Co.,Ltd. Address before: 6 / F, Xintu building, 451 Internet of things street, Binjiang District, Hangzhou City, Zhejiang Province, 310051 Patentee before: ZHEJIANG LEAPMOTOR TECHNOLOGY Co.,Ltd. |
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