CN104810568B - A kind of air cooling heat-sink unit of power module used for electric vehicle and its power module - Google Patents
A kind of air cooling heat-sink unit of power module used for electric vehicle and its power module Download PDFInfo
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- CN104810568B CN104810568B CN201410378708.0A CN201410378708A CN104810568B CN 104810568 B CN104810568 B CN 104810568B CN 201410378708 A CN201410378708 A CN 201410378708A CN 104810568 B CN104810568 B CN 104810568B
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- battery core
- power module
- cooling heat
- plastic stent
- unit
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of air cooling heat-sink unit of power module used for electric vehicle and its power module, this heat-sink unit by plastic stent, radiating aluminium sheet, battery core and constitutes 2P battery core unit every cotton；2P battery core unit includes two 1P battery core units, and two 1P battery core units pass through two-sided being bonded in respectively in two battery cores every cotton and keep interval to be stacked, and outermost two plastic stents mutually fasten integral.Also disclose a kind of power module, including cover plate and pressing plate, also include the 2P battery core unit being arranged between cover plate and pressing plate, 2P battery core unit is serially connected and is stacked.This installation optimization structure, using gap radiating mode, realizes good radiating effect, removes extra liquid-cooling heat radiation structure, considerably reduce manufacturing cost.
Description
Technical field
The present invention relates to electric car power supply equipment technical field, especially relate to a kind of power module used for electric vehicle
Air cooling heat-sink unit and its power module.
Background technology
With new-energy automobile in whole world development like a raging fire, electric automobile is increasingly paid attention to by people.Power-equipment
The performance requirement also more and more higher to power-supply system for the continuous upgrading, the series of problems that battery weak heat-dissipating causes becomes increasingly conspicuous.
Existing market most new forms of energy car is frequently with liquid is cold or air cooling equipment to realize the heat management of dynamical system.But prior art causes
Make excessively to increased the weight of car load to a certain extent, and have that arrangement difficulty is big, high cost the problems such as, in industry competition
In be difficult to occupy advantage.Hybrid power big bus power-supply system thermal management requirements therefore can be met, can drop to a certain extent again
Low integral vehicle cost and weight, make this body structure of battery module simple, the research and development possessing preferable radiating effect are imperative.
Notification number be CN202585590U, the day for announcing be on December 5th, 2012 Chinese patent document in disclose one kind
Electric car power supply modular structure, including two block pressur plates and be stacked several first power supply singles between two block pressur plates and
Second source monomer, the first power supply single and second source monomer are spaced and are stacked, and the first power supply single
Positive pole, negative pole are adjacent with the negative pole of second source monomer, positive pole respectively, the first power supply single and second source list that stacking is got up
Body is in series successively, and the first described power supply single and second source monomer all have the 2N battery core being connected in parallel.In this structure
In, the first power supply single and second source monomer all have even number battery core to be formed in parallel, and the battery core number comprising is identical, two pieces of pressures
The first power supply single, the arrangement of second source monomer lamination order is pressed between plate.And power module overall structure is first by even number electricity
Core is in parallel to constitute power supply single, then power supply single is carried out in series.Although this structure can reduce in power module
The difference of the outer temperature difference and continuous internal resistance is so that internal temperature is consistent and connection internal resistance is consistent, but constitutes its first power supply single
In the structure of sub- monomer and the second sub- monomer with the first of second source monomer, using four layers of support, one layer of radiating aluminium sheet and bubble
Foam cotton clamps the fixed form of battery core, structural member application very complicated, increases substantially manufacturing cost, and battery core is directly installed in and props up
Easily cause the phenomenon rocked in frame, and battery core and aluminium flake non-fully contact to assemble its radiating effect not good, and aluminium flake needs
Connect extra liquid-cooling heat radiator.
Content of the invention
The present invention is directed to the deficiencies in the prior art, and technical problem to be solved is to provide a kind of power supply mould used for electric vehicle
The air cooling heat-sink unit of block, it passes through to optimize structure, removes extra liquid-cooling heat radiation structure, using gap radiating mode, realizes
Good radiating effect；Make battery core uniform force, realize Performance optimization；Reduce structural member, reduce manufacturing cost, improve assembling
Efficiency.Additionally provide a kind of power module being made up of this air cooling heat-sink unit, its structure is simplified, and radiating effect is more simultaneously
Good, considerably reduce manufacturing cost.
The present invention is so that above-mentioned technical problem is addressed by the following technical programs.
A kind of air cooling heat-sink unit of power module used for electric vehicle, by plastic stent, radiating aluminium sheet, battery core and every cotton structure
Become 2P battery core unit；Radiating aluminium sheet is installed in the inner side of plastic stent hollow out framework, and the lateral surface of radiating aluminium sheet is provided with some
Projection, projection is exposed from the hollow out framework of plastic stent, and battery core is bonded on the medial surface of radiating aluminium sheet thus forming 1P electricity
Core unit；2P battery core unit includes two 1P battery core units, and two 1P battery core units pass through a two-sided bonding respectively every cotton
Two battery cores keep interval be stacked, outermost two plastic stents mutually fasten integral；Plastic stent hollow out
The outside of framework is provided with interface arrangment, when being stacked between 2P battery core unit, passes through described between adjacent plastic stent
Interface arrangment keeps certain interval to be connected together.
This air cooling heat-sink unit simplifies structure by optimization, and battery core is directly bonded on radiating aluminium sheet, can achieve good
Radiating effect.The mode of this fixing battery core, solid and reliable, eliminate the phenomenon that battery core shakes in plastic stent.
When being stacked between 2P battery core unit, due to being formed with the clamping engagement in gap between adjacent plastic stent, contribute to
The radiating of battery core, therefore eliminates the liquid-cooling heat radiation structure of somewhat complex design so that manufacturing cost is greatly lowered it is easy to fill
Preparation is made.The lateral surface of radiating aluminium sheet is arranged raised, this projection protrudes from the hollow out framework of plastic stent, when 2P battery core list
When being stacked between unit, adjacent radiating aluminium sheet equalizes 2P battery core unit by the extruding force between mutually corresponding projection
Internal stress, and then make battery core uniform force, realize Performance optimization.
Preferably, raised is punch forming structure.Be conducive to processing and manufacturing, with low cost, reliable in quality.
Preferably, limited post, the hole clipping that on radiating aluminium sheet, setting is engaged by clamping with limited post phase are arranged on plastic stent.
Guarantee radiating aluminium sheet is positioned on plastic stent and do not shift, inconsistent phenomenon.
Preferably, described interface arrangment is that interval setting is some on two sides in the outside of plastic stent hollow out framework
Boss, arranges connecting post on the boss of side side wherein, setting and connecting post phase clamping on the boss of opposite side side
The groove of cooperation.Or using on the boss of both sides side interval setting connecting post and with connecting post phase be engaged by clamping recessed
Groove.When being stacked between 2P battery core unit, it is connected in groove by connecting post between adjacent plastic stent and ensures admittedly
Fixed connection, boss is higher than the side of plastic stent hollow out framework simultaneously, thus forming certain gap, can be real by this gap
Now good radiating effect.
Preferably, two sides of the hollow out framework of plastic stent are extended with reinforcement towards inner side.Reinforcement can carry
The intensity of high plastic stent.Improve further, the reinforcement of side side is provided with block tongue, and the reinforcement of opposite side side sets
There is the draw-in groove being connected that is interlocked with block tongue, interlocked synthesis one by block tongue and draw-in groove between two plastic stents of 2P battery core unit
Body.
A kind of power module, including cover plate and pressing plate, also includes the 2P battery core unit being arranged between cover plate and pressing plate, 2P
Battery core unit is serially connected and is stacked.Because using 2P battery core unit, its structure is simpler compact, radiating effect is more preferable,
Thus considerably reducing manufacturing cost, improve the economic benefit of enterprise.
Sum it up, the air cooling heat-sink unit of the power module used for electric vehicle of the present invention becomes 2P through simplifying optimization design
Battery core cellular construction, while reducing structural member, considerably reduces manufacturing cost.And there is good radiating effect.By
The power module that this air cooling heat-sink unit is constituted, on the basis of simplifying structure, eliminates extra liquid-cooling heat radiation structure, improves
Produce efficiency of assembling, be that enterprise brings considerable economic benefit.
Brief description
Fig. 1 is a kind of structural representation of 2P battery core unit；
Fig. 2 is the side structure schematic view of Fig. 1；
Fig. 3 is the decomposition texture schematic diagram of Fig. 2；
Fig. 4 is a kind of structural representation of the plastic stent of 2P battery core unit；
Fig. 5 is the main structure diagram of Fig. 4；
Fig. 6 is the side structure schematic view of Fig. 5；
Fig. 7 is a kind of structural representation of the radiating aluminium sheet of 2P battery core unit；
Fig. 8 is that the radiating aluminium sheet of 2P battery core unit is assemblied in a kind of structural representation on plastic stent；
Fig. 9 be in 2P battery core unit every cotton assembling schematic diagram before the mounting；
Figure 10 is a kind of structural representation of power module of the present invention.
In figure：1- plastic stent, 2- radiating aluminium sheet, 3- battery core, every cotton, 5- is raised, 6- limited post, 7- hole clipping, and 8- is convex for 4-
Platform, 9- connecting post, 10- reinforcement, 11- block tongue, 12- draw-in groove, 13- cover plate, 14- pressing plate, 15-2P battery core unit.
Specific embodiment
Below in conjunction with the accompanying drawings embodiments of the present invention are described in detail.
A kind of air cooling heat-sink unit of power module used for electric vehicle of the present invention as shown in Fig. 1 Fig. 2 Fig. 3, is propped up by plastics
Frame 1, radiating aluminium sheet 2, battery core 3 and every cotton 4 constitute 2P battery core unit 15.As shown in Figure 8, radiating aluminium sheet 2 is installed in plastics and props up
The inner side of frame 1 hollow out framework, as a kind of embodiment, understands in conjunction with Fig. 4, Fig. 5 and Fig. 7, arranges spacing on plastic stent 1
Post 6, radiating aluminium sheet 2 is arranged the hole clipping 7 being mutually engaged by clamping with limited post 6, and radiating aluminium sheet 2 is connected to hole clipping 7 by limited post 6
Upper realization positioning, and be integrally fixed with plastic stent 1 it is ensured that radiating aluminium sheet 2 is not in the phenomenon shifting, rocking.Radiating
The lateral surface of aluminium flake 2 is provided with some raised 5, as shown in Fig. 2 raised 5 expose from the hollow out framework of plastic stent 1.In order to
Ensure easy to process, reliable in quality is it may be preferred to setting raised 5 is the punch forming structure of radiating aluminium sheet 2.Referring to Fig. 9, battery core
Thus forming 1P battery core unit on 3 medial surface being bonded in radiating aluminium sheet 2.2P battery core unit 15 includes two 1P battery core units,
Two 1P battery core units pass through two-sided being bonded in respectively in two battery cores 3 every cotton 4 and keep interval to be stacked, such as Fig. 2
Shown in, outermost two plastic stents 1 mutually fasten integral.Referring to shown in Fig. 2, Fig. 3 and Fig. 6, plastic stent 1 hollow out
The outside of framework is provided with interface arrangment, when being stacked between 2P battery core unit 15, passes through institute between adjacent plastic stent 1
Stating interface arrangment keeps certain interval to be connected together.As a kind of embodiment of described interface arrangment, engrave in plastic stent 1
The some boss of interval setting 8 on two sides in the outside of empty frames body, arrange connecting post 9 wherein on the boss 8 of side side,
The groove being mutually engaged by clamping with connecting post 9 is arranged on the boss 8 of opposite side side.It is stacked between 2P battery core unit 15
When, it is connected in described groove by connecting post 9 between adjacent plastic stent 1 and achieves a fixed connection, because boss 8 is higher than to mould
Expect that the side of support 1 hollow out framework forms certain gap, then just can achieve good radiating effect using this gap.Make
For the another embodiment of described interface arrangment, can select on boss 8 interval setting connecting post 9 and with connecting post 9 phase
The groove being engaged by clamping.This structure same can be radiated using the gap that boss 8 is formed, and ensures connecting post 9 and institute
State the firm connection between groove, prevent the phenomenon that position skew occurs between adjacent plastic stent 1.
As a kind of embodiment being fastened and connected between two plastic stents 1 in 2P battery core unit 15, such as Fig. 2 and Fig. 3
Shown, it is extended reinforcement 10 in two sides of the hollow out framework of plastic stent 1 towards inner side.Reinforcement 10 can increase to be moulded
The rigidity of material support 1.Wherein on the reinforcement 10 of side side, block tongue 11 is set, the reinforcement 10 of opposite side side is arranged
Be interlocked the draw-in groove 12 being connected with block tongue 11, and such structure can ensure that between two plastic stents 1 of 2P battery core unit 15
By block tongue 11 and solid and reliable the snapping together of draw-in groove 12.
A kind of power module of the present invention as shown in Figure 10, including cover plate 13 and pressing plate 14, also includes being arranged on cover plate 13
2P battery core unit 15 and pressing plate 14 between, 2P battery core unit 15 is serially connected and is stacked.
The present invention is not limited to embodiments described above, the fastening knot between two plastic stents of 2P battery core unit
Keep the interface arrangment in gap can also adopt when being stacked between structure, and 2P battery core unit between adjacent plastic stent
The embodiment party of the malformation of equivalence replacement in the middle of known technology that those skilled in the art are obtained in that or prior art
Formula.As long as the embodiment employing the 2P battery core cellular construction through optimizing for the present invention all falls within protection scope of the present invention
Interior.
Claims (8)
1. a kind of air cooling heat-sink unit of power module used for electric vehicle, is characterized in that：By plastic stent（1）, radiating aluminium sheet
（2）, battery core（3）With every cotton（4）Constitute 2P battery core unit（15）；Radiating aluminium sheet（2）It is installed in plastic stent（1）Hollow out framework
Inner side, radiating aluminium sheet（2）Lateral surface be provided with some projections（5）, the raised hollow out framework protruding from plastic stent, battery core
（3）It is bonded in radiating aluminium sheet（2）Medial surface on thus forming 1P battery core unit；2P battery core unit（15）Including two 1P battery cores
Unit, two 1P battery core units pass through one every cotton（4）Two-sided be bonded in two battery cores respectively（3）Upper holding interval stacking sets
Put, outermost two plastic stents（1）Mutually fasten integral；Plastic stent（1）The outside of hollow out framework is provided with clamping knot
Structure, when 2P battery core unit（15）Between when being stacked, adjacent plastic stent（1）Between keep one by described interface arrangment
Fixed gap is connected together.
2. the air cooling heat-sink unit of power module used for electric vehicle according to claim 1, is characterized in that：Raised（5）For
Punch forming structure.
3. the air cooling heat-sink unit of power module used for electric vehicle according to claim 1, is characterized in that：Plastic stent
（1）Upper setting limited post（6）, radiating aluminium sheet（2）Upper setting and limited post（6）The hole clipping being mutually engaged by clamping（7）.
4. the air cooling heat-sink unit of power module used for electric vehicle according to claim 1, is characterized in that：Described clamping knot
Structure is in plastic stent（1）The some boss of interval setting on two sides in the outside of hollow out framework（8）, side side wherein
Boss（8）Upper setting connecting post（9）, in the boss of opposite side side（8）Upper setting and connecting post（9）Mutually be engaged by clamping is recessed
Groove.
5. the air cooling heat-sink unit of power module used for electric vehicle according to claim 1, is characterized in that：Described clamping knot
Structure is in plastic stent（1）The some boss of interval setting on two sides in the outside of hollow out framework（8）, boss（8）Upper interval sets
Put connecting post（9）And with connecting post（9）The groove being mutually engaged by clamping.
6. the air cooling heat-sink unit of power module used for electric vehicle according to claim 1, is characterized in that：Plastic stent
（1）Two sides of hollow out framework be extended with reinforcement towards inner side（10）.
7. the air cooling heat-sink unit of power module used for electric vehicle according to claim 6, is characterized in that：Side side
Reinforcement（10）It is provided with block tongue（11）, the reinforcement of opposite side side（10）It is provided with and block tongue（11）Be interlocked the card of connection
Groove（12）, 2P battery core unit（15）Two plastic stents（1）Between pass through block tongue（11）And draw-in groove（12）Interlock integrator.
8. a kind of power module, including cover plate（13）And pressing plate（14）, it is characterized in that：Also include being arranged on cover plate（13）And pressing plate
（14）Between the 2P battery core unit any one of claim 1 to 7（15）, 2P battery core unit（15）It is serially connected stacking
Setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410378708.0A CN104810568B (en) | 2014-08-04 | 2014-08-04 | A kind of air cooling heat-sink unit of power module used for electric vehicle and its power module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410378708.0A CN104810568B (en) | 2014-08-04 | 2014-08-04 | A kind of air cooling heat-sink unit of power module used for electric vehicle and its power module |
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| CN104810568A CN104810568A (en) | 2015-07-29 |
| CN104810568B true CN104810568B (en) | 2017-03-08 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109390510A (en) * | 2017-08-03 | 2019-02-26 | 中信国安盟固利动力科技有限公司 | A kind of air-cooled lithium ion battery frame and battery pack and its assembly method |
| DE102018216901A1 (en) * | 2018-10-02 | 2020-04-02 | Robert Bosch Gmbh | Battery module subunit and battery module |
| CN115064846A (en) * | 2022-08-01 | 2022-09-16 | 兴数能源科技有限公司 | Energy storage battery module |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1877883A (en) * | 2005-04-26 | 2006-12-13 | 三星Sdi株式会社 | Battery module |
| CN202585590U (en) * | 2012-04-13 | 2012-12-05 | 万向电动汽车有限公司 | Power module structure of electric car |
| CN102938449A (en) * | 2011-08-15 | 2013-02-20 | 谢长淮 | Device for fastening and heat dissipation of battery modules |
| CN203415637U (en) * | 2013-07-18 | 2014-01-29 | 微宏动力系统（湖州）有限公司 | High heat radiation soft cell bracket |
-
2014
- 2014-08-04 CN CN201410378708.0A patent/CN104810568B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1877883A (en) * | 2005-04-26 | 2006-12-13 | 三星Sdi株式会社 | Battery module |
| CN102938449A (en) * | 2011-08-15 | 2013-02-20 | 谢长淮 | Device for fastening and heat dissipation of battery modules |
| CN202585590U (en) * | 2012-04-13 | 2012-12-05 | 万向电动汽车有限公司 | Power module structure of electric car |
| CN203415637U (en) * | 2013-07-18 | 2014-01-29 | 微宏动力系统（湖州）有限公司 | High heat radiation soft cell bracket |
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| Publication number | Publication date |
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| CN104810568A (en) | 2015-07-29 |
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| CB02 | Change of applicant information |
Address after: 311215 Xiaoshan economic and Technological Development Zone, Zhejiang District, No. two road, building No. 855, No. Applicant after: Wanxiang 123 Co Ltd Applicant after: Wanxiang Electric Vehicle Co., Ltd. Applicant after: Wanxiang Group Corporation Address before: 311215 Xiaoshan economic and Technological Development Zone, Zhejiang, No. two road, building No. 118, No. Applicant before: Universal A 1 System Co., Ltd Applicant before: Wanxiang Electric Vehicle Co., Ltd. Applicant before: Wanxiang Group Corporation |
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Effective date of registration: 20211108 Address after: No.855, Jianshe 2nd Road, Xiaoshan Economic and Technological Development Zone, Hangzhou City, Zhejiang Province Patentee after: Wanxiang A123 Co.,Ltd. Address before: No.855, Jianshe 2nd Road, Xiaoshan Economic and Technological Development Zone, Hangzhou City, Zhejiang Province Patentee before: Wanxiang A123 Co.,Ltd. Patentee before: WANXIANG EV Co.,Ltd. Patentee before: WANXIANG GROUP Co.,Ltd. |