CN106299551A - Power battery pack gas chiller and method for gas cooling - Google Patents
Power battery pack gas chiller and method for gas cooling Download PDFInfo
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- CN106299551A CN106299551A CN201510317342.0A CN201510317342A CN106299551A CN 106299551 A CN106299551 A CN 106299551A CN 201510317342 A CN201510317342 A CN 201510317342A CN 106299551 A CN106299551 A CN 106299551A
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- battery pack
- disc type
- power battery
- guiding channel
- fin
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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 chiller.Its technical scheme: power battery pack gas chiller, it includes: disc type coolant guiding channel (2), disc type coolant guiding channel flows for gaseous coolant, and disc type coolant guiding channel is positioned in the middle of described two row power battery pack battery (4)；At least one pair of fin (1), any a piece of fin includes at least one curved portions (102)；With described power battery pack battery form fit inside pair of radiating fan curved portions after combination and tangent with a described disc type coolant guiding channel ancient piece of jade, round, flat and with a hole in its centre outside the pair of radiating fan curved portions after combination；And the pair of radiating fan end (103) after combination contacts with described disc type coolant guiding channel.After using technique scheme, improve the cooling effect of set of cells.
Description
Technical field
The present invention one, relates to a kind of power battery pack gas chiller, automobile-used high-power particularly to one
Power battery pack gas chiller.The technical fields such as the cooling process equipment that the invention belongs to environmental protection and energy saving.
Its Main Function: by the gas of flowing, reduces power battery pack temperature in time, efficiently.
The present invention two, relate to a kind of power battery pack method for gas cooling, automobile-used high-power particularly to one
Power battery pack method for gas cooling.The technical fields such as the cooling process equipment that the invention belongs to environmental protection and energy saving.
Its Main Function: use the gas of flowing, reduce power battery pack temperature in time, efficiently..
Invention one and invention two all refer to carry out power battery pack gas cooling, and invention one is a kind of concrete
Gas chiller, invention two relates to concrete method for gas cooling.
Background technology
High-power power battery group, as a kind of power resources, is that Developing electric automobile, emergency communication set
Standby and the first-selection of special equipment power supply.But existing high-power power battery is at charging and discharging
Work process can produce amount of heat so that battery self-temperature raises, this temperature raised both direct shadows
Ring the electric flux of battery charging and discharging, directly affect again the service life of battery, and also also exist serious
Potential safety hazard.Therefore must take measures high-power power battery group is cooled.
The mode that existing high-power power battery group cools with water circulating cooling and air cooling is mainly
Main.Water-cooled it is generally required to devices such as cooling water tank, circulating water pipe, radiator, air locking, electric water pumps,
The major defect that water-cooled exists is: the volume of water-cooling system own is relatively big, and the electric energy of electrokinetic cell to be consumed.
Air-cooled it is generally required to radiator, electric fan, the major defect of this air-cooled existence is: air-cooled same water-cooled one
Sample, the volume of cooling system own is relatively big, and the electric energy of electrokinetic cell to be consumed；Also having one air-cooled is to depend on
During exercising by automobile, the extraneous cold wind poured into carries out convective cooling to power battery pack, this air-cooled deposits
Major defect be: temperature-fall period is limited by the condition such as outside air temperature, wind speed, stop or charging time without
Method cools down.Both modes all exist radiator volume compared with big, cooling-down effect is poor and has cooling dead angle
Deng defect, and water cooling there is also safety problems such as easily causing battery short circuit.
For improving cooling effect, it is necessary to improve prior art, use the new type of cooling or device.As:
Chinese patent notification number CN102760920B, its open Vehicular dynamic battery group liquid nitrogen cooling means and dress thereof
Putting, liquid nitrogen is directly released on power battery pack surface and each battery core casing and makes liquid nitrogen convert by it
For the GN 2, utilize liquid nitrogen to be converted in gas process by liquid and absorb substantial amounts of heat to power battery pack table
Face and each battery core casing cool.This device includes liquid nitrogen container, cooling container, connecting tube
Road, cooling duct, nitrogen outlet etc., liquid nitrogen container is cold be arranged in cooling container by connecting pipeline
But passage is connected.The method and device are required to consume substantial amounts of liquid nitrogen.
Summary of the invention
The purpose of the present invention one, is for deficiency of the prior art, it is provided that power battery pack gas cooling dress
Putting, this device can improve the cooling effect of set of cells.
For achieving the above object, the present invention is by the following technical solutions:
Power battery pack gas chiller, it includes: disc type coolant guiding channel, disc type cooling medium
Passage flows for gaseous coolant, and disc type coolant guiding channel is positioned at the battery of described two row power battery pack
In the middle of core；At least one pair of fin, any a piece of fin includes at least one curved portions；After combination
With described power battery pack battery form fit inside pair of radiating fan curved portions, and a pair after combination dissipates
Outside backing curved portions tangent with a described disc type coolant guiding channel ancient piece of jade, round, flat and with a hole in its centre；And the pair of radiating fan end after combination
Contact with described disc type coolant guiding channel.
Further, described any a piece of fin includes at least two curved portions, sets in the middle of two curved portions
Lobe, described lobe is had to contact with described disc type coolant guiding channel.
Further, described fin curved portions cross section is semicircle, and described disc type coolant guiding channel cross section is
Rectangle.
Further, described fin height is identical with described disc type coolant guiding channel height.
Further, described fin height≤described power battery pack battery height.
Further, described gas cooling medium is air or nitrogen.
Beneficial effect after employing technique scheme:
1, cooling media is made with gas, by the gas of flowing by fin conductive to disc type coolant guiding channel
Heat take out of, it is achieved to efficiently cooling of each battery core casing surface, chilling temperature is easily controllable,
Good cooling results, cooling uniformly without cooling dead angle, safe and reliable, make high-power power battery group in charging and
Electric flux and safety in the work process of electric discharge are ensured.And this chiller simple in construction, cold
But effect is good.
2, pair of radiating fan and disc type coolant guiding channel are used, convenient processing.As: fin can be inserted into
In the cell interval of power battery pack, compact conformation, firm, few volume increasing power battery pack,
In the confined space, cooling effect is good, is highly suitable on the equipment that the limited space systems such as electric automobile require making
With.
3, using pair of radiating fan cladding power battery pack battery, the heat of battery can all, pass in time
Pass fin, improve cooling effect.
4, every fin is respectively provided with curved portions and end, and all contacts with disc type coolant guiding channel.So,
Fin heat can pass to disc type coolant guiding channel by least three position, and transmission is rapidly, efficiently.
Final heat can be taken away by the cooling gas in disc type coolant guiding channel.It is provided with in the middle of two curved portions
During lobe, fin heat can pass to disc type coolant guiding channel by more multiple location, improves further
Cooling effect.
5, disc type coolant guiding channel is positioned in the middle of two row power battery pack battery, on the one hand, use disc type
Coolant guiding channel effectively limits the flow direction of cooling gas, reduces energy dissipation, improves cooling gas
By efficiency, on the other hand, the transmission distance between battery heat and cooling gas can be shortened, carry further
High cooling effect.
6, the disc type coolant guiding channel in given shape cross section, convenient increasing fin and battery cell are used
Heat transfer area between core, the convenient heat transfer area strengthened between disc type coolant guiding channel and fin, enters
One step improves cooling effect.
7, utilizing gas to make cooling media, gas flows in cooling tube and is taken out of by heat, will not produce electricity
The corrosion of pond core shell body and the short circuit of battery, safe and reliable.
The purpose of the present invention two, is for deficiency of the prior art, it is provided that power battery pack gas cooling side
Method, the method can improve the cooling effect of set of cells.
For realizing purpose two, the present invention by the following technical solutions:
Power battery pack method for gas cooling, it is characterised in that: in the middle of described two row power battery pack battery
Having disc type coolant guiding channel, disc type coolant guiding channel flows for gaseous coolant；Described electrokinetic cell
Being coated with arc shape fin outside any battery core in group, described battery heat passes through fin arc
Portion and described fin ends realize heat exchange with the gas in described disc type coolant guiding channel.
Further, described battery heat can also be by fin lobe and described disc type coolant guiding channel
Interior gas realizes heat exchange.
Further, described gaseous coolant is air or nitrogen.
Beneficial effect after employing technique scheme:
1, cooling media is made with gas, by the gas of flowing by fin conductive to disc type coolant guiding channel
Heat take out of, it is achieved to efficiently cooling of each battery core casing surface, chilling temperature is easily controllable,
Good cooling results, cooling uniformly without cooling dead angle, safe and reliable, make high-power power battery group in charging and
Electric flux and safety in the work process of electric discharge are ensured.And this cooling means is simple.
2, fin cladding power battery pack battery, the heat of battery can pass to heat radiation all, in time
Sheet, improves cooling effect.Under more excellent situation, fin heat can pass to disc type cooling by lobe and be situated between
Matter passage, improves cooling effect further.
3, utilizing gas to make cooling media, gas flows in cooling tube and is taken out of by heat, will not produce electricity
The corrosion of pond core shell body and the short circuit of battery, safe and reliable.
Accompanying drawing explanation
Fig. 1 is heat radiating fin structure schematic diagram；
Fig. 2 is rectangular heat dissipation tubular construction schematic diagram；
Fig. 3 is elbow structure schematic diagram；
Fig. 4 is the gas chiller of the power battery pack of use state；
Fig. 5 is the main TV structure figure of power battery pack gas chiller；
Fig. 6 is A-A sectional view in Fig. 5；
Fig. 7 is D-D sectional view in Fig. 5；
Fig. 8 is F-F sectional view in Fig. 5；
Fig. 9 is the partial enlarged drawing of G in Fig. 5；
Figure 10 is the tomograph of power battery pack gas chiller.
In figure: 1, fin, 101, lobe, 102, curved portions, 103, end, 2, disc type cold
But medium channel, 201, square-section passage, 3, elbow, 4, battery, h1, fin height, h2,
Disc type coolant guiding channel height, h3, power battery pack battery height.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment, invention is described in more detail.
Embodiment one
As shown in figs. 4 through 10, power battery pack gas chiller, it includes:
Disc type coolant guiding channel 2, such as Fig. 2-5, shown in 10, disc type coolant guiding channel is used for gas
Body coolant flows, and disc type coolant guiding channel is positioned in the middle of described two row power battery pack battery 4；Cold
But the preferred air of medium or nitrogen；
As shown in Fig. 1,4-10, at least one pair of fin 1, any a piece of fin includes at least
One curved portions 102；With the battery of described power battery pack inside pair of radiating fan curved portions after combination
Form fit, and combination after pair of radiating fan curved portions outside tangent with a described disc type coolant guiding channel ancient piece of jade, round, flat and with a hole in its centre；
And the pair of radiating fan end 103 after combination contacts with described disc type coolant guiding channel.
Illustrate, as shown in Figure 4, a set of cells, there are 8 row × 6 row battery.Such as Fig. 1,5-10
Shown in, a piece of fin 1 has six curved portions 102 and two ends 103.Fin can be by thin metal
Material time processing.Curved portions can be directly processed on every fin.Fin is specifically installed:
Can but be not limited to insert draw-in groove or bolt and fix.As shown in Figure 4, pair of radiating fan can be coated with string electricity
Chi Xin.As shown in figs. 2-10, disc type coolant guiding channel 2 includes straightway and elbow 3, straightway and
In the middle of elbow 3, there is the passage allowing gaseous coolant pass through.Disc type coolant guiding channel two ends are respectively gas
Coolant inlet and gas coolant outlet.Disc type coolant guiding channel can be by thin metal material time processing
?.The preferred rectangle in disc type coolant guiding channel cross section.Such disc type coolant guiding channel has rectangle and cuts
Face passage 201.
As shown in Fig. 4-5,9-10, fin can be inserted in power battery pack blocks ofly.It is inserted into dynamic
After in power set of cells, pair of radiating fan curved portions can be embraced on the surface of power battery pack battery, each battery
The heat energy of core is whole, timely, be uniformly transferred to fin.
When normally working, gas cooling medium, such as air, nitrogen, by disc type coolant guiding channel.Dissipate
Backing transfers heat to disc type coolant guiding channel by curved portions and two ends, and the gaseous coolant of flowing will dissipate
Backing is transmitted to the heat of disc type coolant guiding channel and takes out of, it is achieved efficient to each battery core casing surface
Cool.
Cooling media is made, by the gas of flowing by fin conductive to disc type coolant guiding channel with gas
Heat is taken out of, it is achieved to efficiently cooling of each battery core casing surface, chilling temperature is easily controllable,
Good cooling results, cooling uniformly without cooling dead angle, safe and reliable, make high-power power battery group in charging and
Electric flux and safety in the work process of electric discharge are ensured.And this chiller simple in construction, cold
The most effective.Use the disc type coolant guiding channel in given shape cross section, convenient increasing fin and set of cells
Heat transfer area between battery, the convenient heat transfer area strengthened between disc type coolant guiding channel and fin,
Improve cooling effect further.
For making power battery pack battery maximize with the contact area of fin, as shown in Fig. 1,5,10,
Fin curved portions is the most semicircle.When fin curved portions uses semicircle, on every fin
The inside radius of individual semicircle circle holding is identical with the outer surface radius of power battery pack battery, and pair of radiating fan can wrap
Wrapping up in cell core, fin is maximum with battery contacting section.
Such as Fig. 4, shown in 10, described fin height h1 is identical with described coolant guiding channel height h2,
Now can improve fin and disc type coolant guiding channel contact area.Optimal situation is as follows: described fin
Highly h1≤described power battery pack battery height h3, such as: fin height h1 and power battery pack
Height h3 is identical for battery, and now, fin and battery contact area can maximize, fin and disc type
Coolant guiding channel contact area is big, and radiating effect is optimal.
Embodiment two
As shown in Fig. 1,4,5,10, as the one of power battery pack gas chiller of the present invention
Improving, described any a piece of fin includes at least two curved portions 102, is provided with in the middle of two curved portions
Lobe 101, as it is shown in figure 9, described lobe contacts with described disc type coolant guiding channel.Lobe
101 can play heat bridge effect, accelerate heat transmission, improve heat radiation, cooling effect.
As shown in Figure 4, a set of cells, there are 8 row × 6 row battery.As shown in Fig. 1,5,10, one
Sheet fin 1 has 102, five lobe 101 of six curved portions and two ends 103.As shown in Figure 4,
Pair of radiating fan can be coated with string battery.
Fin heat can pass to disc type coolant guiding channel by more reliable contacts portion, carries further
High cooling effect.
Embodiment three
As Figure 1-10 shows, power battery pack method for gas cooling, wherein:
Having disc type coolant guiding channel 2 in the middle of described two row power battery pack battery, disc type cooling medium leads to
Road flows for gaseous coolant；The preferred air of cooling medium or nitrogen；
Arc shape fin 1, described battery it is coated with outside any battery core in described power battery pack
Heat is by fin curved portions 102 and described fin ends 103 and described disc type coolant guiding channel
Gas realize heat exchange.
During work, gas cooling medium, such as air, nitrogen, by disc type coolant guiding channel.Fin
Transferring heat to disc type coolant guiding channel by curved portions and two ends, the gaseous coolant of flowing is by fin
The heat being transmitted to disc type coolant guiding channel is taken out of, it is achieved the efficient cooling to each battery core casing surface
Cooling.
Cooling media is made, by the gas of flowing by fin conductive to disc type coolant guiding channel with gas
Heat is taken out of, it is achieved to efficiently cooling of each battery core casing surface, chilling temperature is easily controllable,
Good cooling results, cooling uniformly without cooling dead angle, safe and reliable, make high-power power battery group in charging and
Electric flux and safety in the work process of electric discharge are ensured.And this cooling means is simple.Dissipate
Backing cladding power battery pack battery, the heat of battery can pass to fin all, in time, improves
Cooling effect.Under more excellent situation, fin heat can pass to disc type coolant guiding channel by lobe,
Improve cooling effect further.Utilizing gas to make cooling media, gas flows in cooling tube and is taken out of by heat,
The short circuit of the corrosion to battery core casing and battery will not be produced, safe and reliable.
Embodiment four
As shown in Fig. 1,4-10, as a kind of improvement of power battery pack method for gas cooling of the present invention,
Described battery heat can also be by fin lobe 101 and the gas in described disc type coolant guiding channel
Realize heat exchange.
The invention is not restricted to above-described embodiment, the technical scheme of all employing equivalents or equivalence replacement formation is equal
Belong to the scope of protection of present invention.
Claims (9)
1. power battery pack gas chiller, it includes:
Disc type coolant guiding channel (2), disc type coolant guiding channel flows for gas cooling medium, disc type
Coolant guiding channel is positioned in the middle of described two row power battery pack battery (4)；
At least one pair of fin (1), any a piece of fin includes at least one curved portions (102)；Group
With the battery form fit of described power battery pack inside pair of radiating fan curved portions after conjunction, and after combination
Pair of radiating fan curved portions outside tangent with a described disc type coolant guiding channel ancient piece of jade, round, flat and with a hole in its centre；And a pair after combination dissipates
Backing end (103) contacts with described disc type coolant guiding channel.
The gas chiller of power battery pack the most according to claim 1, it is characterised in that: described
Any a piece of fin includes at least two curved portions (102), is provided with lobe in the middle of two curved portions
(101), described lobe contacts with described disc type coolant guiding channel.
The gas chiller of power battery pack the most according to claim 1, it is characterised in that: described
Fin curved portions cross section is semicircle, and described disc type coolant guiding channel cross section is rectangle.
The gas chiller of power battery pack the most according to claim 1, it is characterised in that: described
Fin height (h1) is identical with described disc type coolant guiding channel height (h2).
The gas chiller of power battery pack the most according to claim 4, it is characterised in that: described
Fin height (h1)≤described power battery pack battery height (h3).
The gas chiller of power battery pack the most according to claim 1, it is characterised in that: described
Gas cooling medium is air or nitrogen.
7. power battery pack method for gas cooling, it is characterised in that:
Disc type coolant guiding channel (2), disc type cooling medium is had in the middle of described two row power battery pack battery
Passage flows for gas cooling medium；
Arc shape fin (1), described battery it is coated with outside any battery core in described power battery pack
Core heat is situated between with the cooling of described disc type by fin curved portions (102) and described fin ends (103)
Gas in matter passage realizes heat exchange.
Power battery pack method for gas cooling the most according to claim 7, it is characterised in that: described electricity
Pond core heat can also be realized with the gas in described disc type coolant guiding channel by fin lobe (101)
Heat exchange.
Power battery pack method for gas cooling the most according to claim 7, it is characterised in that: described gas
Body coolant is air 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 true CN106299551A (en) | 2017-01-04 |
| CN106299551B CN106299551B (en) | 2019-09-06 |
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Cited By (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 |
| CN107658523A (en) * | 2017-09-13 | 2018-02-02 | 东莞市沃泰通新能源有限公司 | A kind of cooling device of ferric phosphate lithium cell group |
| CN108155322A (en) * | 2018-02-06 | 2018-06-12 | 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 component |
| CN110137625A (en) * | 2019-06-19 | 2019-08-16 | 常州工程职业技术学院 | A kind of new energy power vehicle battery pack cooling device |
| CN110611062A (en) * | 2018-06-14 | 2019-12-24 | 罗伯特·博世有限公司 | Battery module with a plurality of battery cells |
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| 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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| JP2002291670A (en) * | 2001-03-30 | 2002-10-08 | Toshiba Corp | Battery-driven vacuum cleaner and battery pack |
| CN101740841A (en) * | 2008-11-12 | 2010-06-16 | 宝马股份公司 | Device for power supply of automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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| CN108155322A (en) * | 2018-02-06 | 2018-06-12 | 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 component |
| 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 |
| CN110611062A (en) * | 2018-06-14 | 2019-12-24 | 罗伯特·博世有限公司 | Battery module with a plurality of battery cells |
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| 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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