CN106299551B - Power battery pack gas cooling device and method for gas cooling - Google Patents
Power battery pack gas cooling device and method for gas cooling Download PDFInfo
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- CN106299551B CN106299551B CN201510317342.0A CN201510317342A CN106299551B CN 106299551 B CN106299551 B CN 106299551B CN 201510317342 A CN201510317342 A CN 201510317342A CN 106299551 B CN106299551 B CN 106299551B
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- disc type
- cooling medium
- battery pack
- cooling
- medium channel
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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
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The present invention relates to a kind of power battery pack gas cooling devices.Its technical solution: power battery pack gas cooling device, it includes: disc type cooling medium channel (2), disc type cooling medium channel is flowed for gaseous coolant, and it is intermediate that disc type cooling medium channel is located at the two column power battery pack battery (4)；At least pair of radiating fan (1), any a piece of cooling fin includes at least one curved portion (102)；Pair of radiating fan curved portion inside and the power battery pack battery form fit after combination, and it is tangent with the disc type cooling medium channel wall on the outside of the pair of radiating fan curved portion after combination；And the pair of radiating fan end (103) after combining is contacted with the disc type cooling medium channel.After adopting the above technical scheme, improving the cooling effect of battery pack.
Description
Technical field
The present invention one, is related to a kind of power battery pack gas cooling device, in particular to a kind of automobile-used high-power drive
Pond group gas cooling device.The invention belongs to the technical fields such as the cooling technique equipment of environmental protection and energy saving.Its main function: pass through stream
Dynamic gas in time, efficiently reduces power battery pack temperature.
The present invention two, is related to a kind of power battery pack method for gas cooling, in particular to a kind of automobile-used high-power drive
Pond group method for gas cooling.The invention belongs to the technical fields such as the cooling technique equipment of environmental protection and energy saving.Its main function: with stream
Dynamic gas in time, efficiently reduces power battery pack temperature.
Invention one and invention two all refer to carry out gas cooling to power battery pack, invent first is that a kind of specific gas is cold
But device, invention two are related to specific method for gas cooling.
Background technique
High-power power battery group as a kind of power resources, be Developing electric car, emergency communication equipment and
The first choice of special equipment power supply.But existing high-power power battery can generate greatly in the course of work of charging and discharging
Calorimetric amount, so that battery self-temperature increases, this raised temperature had not only directly affected the electric flux of battery charging and discharging, but also straight
The service life for influencing battery is connect, and there is also serious security risks.Therefore it must take measures to high-power power
Battery pack cools down.
The mode that existing high-power power battery group cools is mainly based on water circulating cooling and air cooling.Water cooling
Generally require the devices such as cooling water tank, circulating water pipe, radiator, air locking, electric water pump, major defect existing for water cooling
Be: water-cooling system volume itself is larger, and also to consume the electric energy of power battery.It is air-cooled to generally require radiator, electric fan,
This air-cooled existing major defect is: air-cooled same water cooling is the same, and cooling system volume itself is larger, and also to consume power electric
The electric energy in pond；It is that the extraneous cold wind poured into comes to power battery pack progress convection current during exercising by automobile there are also one kind is air-cooled
Cooling, this air-cooled existing major defect is: temperature-fall period is limited by conditions such as outside air temperature, wind speed, is stopped or is charged
Shi Wufa is cooling.What both modes had that radiator volume is larger, cooling effect is poor and has cooling dead angle etc. lacks
It falls into, and there is also easily cause the safety problems such as battery short circuit for water cooling.
To improve cooling effect, it is necessary to the prior art is improved, with the new type of cooling or device.Such as: Chinese patent
Notification number CN102760920B, open Vehicular dynamic battery group liquid nitrogen cooling means and its device, liquid nitrogen is directly released
Being put on power battery pack surface and each battery core casing makes liquid nitrogen be converted into the GN 2, is converted into using liquid nitrogen by liquid
A large amount of heat is absorbed in gas process to cool down power battery pack surface and each battery core casing.The device packet
Liquid nitrogen container, cooling container, connecting pipe, cooling duct, nitrogen outlet etc. are included, liquid nitrogen container is existed by connecting pipe and setting
Cooling duct in cooling container is connected.This method and device are required to consume a large amount of liquid nitrogen.
Summary of the invention
The purpose of the present invention one is aiming at the shortcomings in the prior art, to provide power battery pack gas cooling device, the dress
Set the cooling effect that can improve battery pack.
To achieve the above object, the invention adopts the following technical scheme:
Power battery pack gas cooling device comprising have: disc type cooling medium channel, disc type cooling medium channel are used for
Gaseous coolant flowing, disc type cooling medium channel are located among the battery of the two column power battery pack；It is at least a pair of to dissipate
Backing, any a piece of cooling fin includes at least one curved portion；It is moved on the inside of pair of radiating fan curved portion after combination with described
Power battery cell core form fit, and pair of radiating fan curved portion outside and the disc type cooling medium channel wall after combination
It is tangent；And the pair of radiating fan end after combining is contacted with the disc type cooling medium channel.
Further, any a piece of cooling fin includes at least two curved portions, is equipped with protrusion among two curved portions
Portion, the lug boss are contacted with the disc type cooling medium channel.
Further, cooling fin curved portion section is semicircle, and disc type cooling medium channel section is rectangle.
Further, the fin height is identical as the disc type cooling medium channel height.
Further, the fin height≤power battery pack battery height.
Further, the gas cooling medium is air or nitrogen.
It is after by adopting the above technical scheme the utility model has the advantages that
1, cooling media is made with gas, by the gas of flowing by fin conductive to the heat of disc type cooling medium channel
It takes out of, realizes efficiently cooling to each battery core casing surface, cooling temperature is easily controllable, good cooling results, cooling
Uniformly without cooling dead angle, safe and reliable, make electric flux of the high-power power battery group in the course of work of charging and discharging and
Safety is ensured.And the cooling device structure is simple, cooling effect is good.
2, using pair of radiating fan and disc type cooling medium channel, facilitate processing.Such as: cooling fin can be inserted into power battery
Compact-sized, firm in the single battery interval of group, few volume for increasing power battery pack is cooling in a limited space to imitate
Fruit is good, is highly suitable for using in the equipment of the restricted requirement in the spaces such as electric car.
3, power battery pack battery is coated using pair of radiating fan, the heat of battery can pass to scattered all, in time
Backing improves cooling effect.
4, every cooling fin all has curved portion and end, and contacts with disc type cooling medium channel.In this way, cooling fin
Heat can pass to disc type cooling medium channel by least three positions, and transmitting is rapidly, efficiently.Final heat can pass through disk
Cooling gas in formula cooling medium channel is taken away.When being equipped with lug boss among two curved portions, cooling fin heat can be by more
Multiple location passes to disc type cooling medium channel, further increases cooling effect.
5, disc type cooling medium channel is located among two column power battery pack batteries, on the one hand, is situated between with disc type is cooling
Matter channel effectively limits the flow direction of cooling gas, reduces energy dissipation, improves the use efficiency of cooling gas, on the other hand,
It can be shortened the transmitting distance between battery heat and cooling gas, further increase cooling effect.
6, with the disc type cooling medium channel in specific shape section, facilitate and increase between cooling fin and battery cell core
Heat transfer area, facilitate the heat transfer area increased between disc type cooling medium channel and cooling fin, further increase cooling effect.
7, make cooling media using gas, gas flows in cooling tube takes heat out of, will not generate to battery core shell
The corrosion of body and the short circuit of battery, securely and reliably.
The purpose of the present invention two is aiming at the shortcomings in the prior art, to provide power battery pack method for gas cooling, the party
Method can improve the cooling effect of battery pack.
To realize purpose two, the invention adopts the following technical scheme:
Power battery pack method for gas cooling, it is characterised in that: have disc type among the two column power battery pack battery
Cooling medium channel, disc type cooling medium channel are flowed for gaseous coolant；Any battery core in the power battery pack
Outside is coated with arc shape cooling fin, and the battery heat passes through cooling fin curved portion and the fin ends and the disk
Gas in formula cooling medium channel realizes heat exchange.
Further, the battery heat can also pass through the gas in cooling fin lug boss and the disc type cooling medium channel
Body realizes heat exchange.
Further, the gaseous coolant is air or nitrogen.
It is after by adopting the above technical scheme the utility model has the advantages that
1, cooling media is made with gas, by the gas of flowing by fin conductive to the heat of disc type cooling medium channel
It takes out of, realizes efficiently cooling to each battery core casing surface, cooling temperature is easily controllable, good cooling results, cooling
Uniformly without cooling dead angle, safe and reliable, make electric flux of the high-power power battery group in the course of work of charging and discharging and
Safety is ensured.And the cooling means is simple and easy.
2, cooling fin coats power battery pack battery, the heat of battery can all, pass to cooling fin in time, improve
Cooling effect.Under more excellent situation, cooling fin heat can pass to disc type cooling medium channel by lug boss, further increase cold
But effect.
3, make cooling media using gas, gas flows in cooling tube takes heat out of, will not generate to battery core shell
The corrosion of body and the short circuit of battery, securely and reliably.
Detailed description of the invention
Fig. 1 is heat sink structure illustration；
Fig. 2 is rectangular heat dissipation pipe structural schematic diagram；
Fig. 3 is elbow structure schematic diagram；
Fig. 4 is the gas cooling device of the power battery pack of use state；
Fig. 5 is the main structure figure of power battery pack gas cooling device；
Fig. 6 is A-A cross-sectional view in Fig. 5；
Fig. 7 is D-D cross-sectional view in Fig. 5；
Fig. 8 is F-F cross-sectional view in Fig. 5；
Fig. 9 is the partial enlarged view of G in Fig. 5；
Figure 10 is the tomograph of power battery pack gas cooling device.
In figure: 1, cooling fin, 101, lug boss, 102, curved portion, 103, end, 2, disc type cooling medium channel, 201,
Rectangular section channel, 3, elbow, 4, battery, h1, fin height, h2, disc type cooling medium channel height, h3, power electric
Pond group battery height.
Specific embodiment
In the following with reference to the drawings and specific embodiments, invention is described in more detail.
Embodiment one
As shown in figs. 4 through 10, power battery pack gas cooling device comprising have:
--- disc type cooling medium channel 2, as shown in Fig. 2-5,10, disc type cooling medium channel is used for coolant gas stream
Dynamic, disc type cooling medium channel is located among the two column power battery pack battery 4；The preferred air of cooling medium or nitrogen；
--- as shown in Fig. 1,4-10, at least pair of radiating fan 1, any a piece of cooling fin includes at least one curved portion
102；Battery form fit on the inside of pair of radiating fan curved portion after combination with the power battery pack, and one after combination
To tangent with the disc type cooling medium channel wall on the outside of cooling fin curved portion；And combine after pair of radiating fan end 103 with
The disc type cooling medium channel contact.
For example, as shown in figure 4, a battery pack, has 8 × 6 row batteries of column.It is a piece of to dissipate as shown in Fig. 1,5-10
There are six curved portion 102 and two ends 103 for backing 1.Cooling fin can be as made of thin metal material time processing.Every dissipates
Curved portion can be directly processed on backing.Cooling fin is specifically installed: can but be not limited to insertion card slot or bolt is fixed.Such as figure
Shown in 4, pair of radiating fan can coat a column battery.As shown in figs. 2-10, disc type cooling medium channel 2 include straightway and
There is the channel for allowing gaseous coolant to pass through among elbow 3, straightway and elbow 3.Disc type cooling medium channel both ends are respectively
Gaseous coolant import and gas coolant outlet.Disc type cooling medium channel can be formed by thin metal material time processing
's.The preferred rectangle in disc type cooling medium channel section.Such disc type cooling medium channel has rectangular section channel 201.
As shown in Fig. 4-5,9-10, cooling fin can be inserted into power battery pack blocks ofly.It is inserted into power battery pack
In after, pair of radiating fan curved portion can embrace on the surface of power battery pack battery, the heat of each battery can all and
When, be uniformly transferred to cooling fin.
When normal work, gas cooling medium passes through disc type cooling medium channel such as air, nitrogen.Cooling fin passes through arc
Shape portion and both ends transfer heat to disc type cooling medium channel, and fin conductive is situated between by the gaseous coolant of flowing to disc type is cooling
The heat in matter channel is taken out of, realizes efficiently cooling to each battery core casing surface.
Make cooling media with gas, by the gas of flowing by the heat band of fin conductive to disc type cooling medium channel
Out, efficiently cooling to each battery core casing surface is realized, cooling temperature is easily controllable, and good cooling results, cooling are equal
It is even without cooling dead angle, it is safe and reliable, make electric flux and peace of the high-power power battery group in the course of work of charging and discharging
Full property is ensured.And the cooling device structure is simple, good cooling results.With the disc type cooling medium in specific shape section
Channel facilitates the heat transfer area increased between cooling fin and battery cell core, facilitates and increases disc type cooling medium channel and dissipate
Heat transfer area between backing, further increases cooling effect.
To maximize the contact area of power battery pack battery and cooling fin, as shown in Fig. 1,5,10, cooling fin arc
Shape portion is preferably semicircle.When cooling fin curved portion is using semicircle, the inside radius of the circle holding of semicircle one by one on every cooling fin
Identical as the appearance radius surface of power battery pack battery, pair of radiating fan can wrap up monomer battery, cooling fin and battery
Contacting section is maximum.
As shown in Fig. 4,10, the fin height h1 is identical as the cooling medium channel height h2, can improve at this time
Cooling fin and disc type cooling medium channel contact area.Optimal situation is as follows: the fin height h1≤power battery
Group battery height h3, such as: fin height h1 is identical as power battery pack battery height h3, at this point, cooling fin and electricity
Pond core contact area can maximize, and cooling fin and disc type cooling medium channel contact area are big, and heat dissipation effect is best.
Embodiment two
It is described as a kind of improvement of power battery pack gas cooling device of the present invention as shown in Fig. 1,4,5,10
Any a piece of cooling fin includes at least two curved portions 102, is equipped with lug boss 101 among two curved portions, as shown in figure 9,
The lug boss is contacted with the disc type cooling medium channel.Lug boss 101 can play the role of heat bridge, accelerate heat transmission, mention
Height heat dissipation, cooling effect.
As shown in figure 4, a battery pack, has 8 × 6 row batteries of column.As shown in Fig. 1,5,10, a piece of cooling fin 1 has six
102, five lug bosses 101 of a curved portion and two ends 103.As shown in figure 4, pair of radiating fan can coat a column battery.
Cooling fin heat can pass to disc type cooling medium channel by more reliable contacts portions, further increase cooling
Effect.
Embodiment three
As Figure 1-10 shows, power battery pack method for gas cooling, in which:
There is disc type cooling medium channel 2 among the two column power battery pack battery, disc type cooling medium channel is used for
Gaseous coolant flowing；The preferred air of cooling medium or nitrogen；
Arc shape cooling fin 1 is coated on the outside of any battery core in the power battery pack, the battery heat is logical
The gas crossed in cooling fin curved portion 102 and the fin ends 103 and the disc type cooling medium channel realizes heat exchange.
When work, gas cooling medium passes through disc type cooling medium channel such as air, nitrogen.Cooling fin passes through curved portion
Disc type cooling medium channel is transferred heat to both ends, the gaseous coolant of flowing leads to fin conductive to disc type cooling medium
The heat in road is taken out of, realizes efficiently cooling to each battery core casing surface.
Make cooling media with gas, by the gas of flowing by the heat band of fin conductive to disc type cooling medium channel
Out, efficiently cooling to each battery core casing surface is realized, cooling temperature is easily controllable, and good cooling results, cooling are equal
It is even without cooling dead angle, it is safe and reliable, make electric flux and peace of the high-power power battery group in the course of work of charging and discharging
Full property is ensured.And the cooling means is simple and easy.Cooling fin coats power battery pack battery, the heat energy of battery
All, cooling fin is passed in time, improves cooling effect.Under more excellent situation, cooling fin heat can pass to disk by lug boss
Formula cooling medium channel, further increases cooling effect.Make cooling media using gas, gas flows in cooling tube by heat
It takes out of, the corrosion to battery core casing and the short circuit of battery will not be generated, securely and reliably.
Example IV
As shown in Fig. 1,4-10, as a kind of improvement of power battery pack method for gas cooling of the present invention, the electricity
Pond core heat can also realize heat exchange by the gas in cooling fin lug boss 101 and the disc type cooling medium channel.
The present invention is not limited to the above embodiments, and all technical solutions formed using equivalent replacement or equivalence replacement belong to this
Invent claimed range.
Claims (6)
1. power battery pack gas cooling device comprising have:
Disc type cooling medium channel (2), disc type cooling medium channel are flowed for gas cooling medium, disc type cooling medium channel
It is intermediate positioned at two column power battery pack batteries (4)；
At least pair of radiating fan (1), any a piece of cooling fin includes at least one curved portion (102)；A pair after combination dissipates
The battery form fit of backing curved portion inside and the power battery pack, and on the outside of the pair of radiating fan curved portion after combination
It is tangent with the disc type cooling medium channel wall；And pair of radiating fan end (103) and the disc type cooling medium after combining
Channel contact；
Any a piece of cooling fin includes at least two curved portions (102), is equipped with lug boss among two curved portions
(101), the lug boss is contacted with the disc type cooling medium channel, and the lug boss is plane；
Cooling fin curved portion section is semicircle, and disc type cooling medium channel section is rectangle.
2. power battery pack gas cooling device according to claim 1, it is characterised in that: the fin height (h1)
It is identical as disc type cooling medium channel height (h2).
3. power battery pack gas cooling device according to claim 1, it is characterised in that: the fin height (h1)
≤ power battery pack battery the height (h3).
4. power battery pack gas cooling device according to claim 1, it is characterised in that: the gas cooling medium is
Air or nitrogen.
5. power battery pack method for gas cooling, it is characterised in that:
Have disc type cooling medium channel (2) among two column power battery pack batteries, disc type cooling medium channel is cold for gas
But media flow；
It is coated with arc shape cooling fin (1) on the outside of any battery core in the power battery pack, the battery heat passes through
Gas in cooling fin curved portion (102) and the fin ends (103) and the disc type cooling medium channel realizes that heat is handed over
It changes；
The battery heat can also be realized by the gas in cooling fin lug boss (101) and the disc type cooling medium channel
Heat exchange；
The lug boss is plane, and disc type cooling medium channel section is rectangle.
6. power battery pack method for gas cooling according to claim 5, it is characterised in that: the gaseous coolant is empty
Gas or nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510317342.0A CN106299551B (en) | 2015-06-10 | 2015-06-10 | Power battery pack gas cooling device and method for gas cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510317342.0A CN106299551B (en) | 2015-06-10 | 2015-06-10 | Power battery pack gas cooling device and method for gas cooling |
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| Publication Number | Publication Date |
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| CN106299551A CN106299551A (en) | 2017-01-04 |
| CN106299551B true CN106299551B (en) | 2019-09-06 |
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| CN201510317342.0A Expired - Fee Related CN106299551B (en) | 2015-06-10 | 2015-06-10 | Power battery pack gas cooling device and method for gas cooling |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785227A (en) * | 2017-03-21 | 2017-05-31 | 四川力垦锂动力科技有限公司 | Electric automobile lithium battery cooling system |
| CN107658523B (en) * | 2017-09-13 | 2018-08-03 | 东莞市沃泰通新能源有限公司 | A kind of cooling device of ferric phosphate lithium cell group |
| CN108155322B (en) * | 2018-02-06 | 2024-01-23 | 广东顺德工业设计研究院(广东顺德创新设计研究院) | Heat dissipation packaging structure and battery assembly |
| DE102018209598A1 (en) * | 2018-06-14 | 2019-12-19 | Robert Bosch Gmbh | Battery module with a plurality of battery cells |
| CN110137625B (en) * | 2019-06-19 | 2023-07-14 | 常州工程职业技术学院 | New energy power automobile group battery cooling device |
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|---|---|---|---|---|
| CN101740841A (en) * | 2008-11-12 | 2010-06-16 | 宝马股份公司 | Device for power supply of automobile |
| CN203950871U (en) * | 2011-08-15 | 2014-11-19 | 格拉弗技术国际控股有限公司 | Battery assembly |
| CN204204992U (en) * | 2014-10-17 | 2015-03-11 | 广东亿纬赛恩斯新能源系统有限公司 | Battery modules |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3787283B2 (en) * | 2001-03-30 | 2006-06-21 | 株式会社東芝 | Battery cleaner and battery pack |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101740841A (en) * | 2008-11-12 | 2010-06-16 | 宝马股份公司 | Device for power supply of automobile |
| CN203950871U (en) * | 2011-08-15 | 2014-11-19 | 格拉弗技术国际控股有限公司 | Battery assembly |
| CN204204992U (en) * | 2014-10-17 | 2015-03-11 | 广东亿纬赛恩斯新能源系统有限公司 | Battery modules |
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