CN206546865U - A kind of battery thermal management system cooled down based on phase-change material and Air Coupling - Google Patents
A kind of battery thermal management system cooled down based on phase-change material and Air Coupling Download PDFInfo
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- CN206546865U CN206546865U CN201621133547.XU CN201621133547U CN206546865U CN 206546865 U CN206546865 U CN 206546865U CN 201621133547 U CN201621133547 U CN 201621133547U CN 206546865 U CN206546865 U CN 206546865U
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- phase
- change material
- management system
- cooled down
- thermal management
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- 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 utility model discloses a kind of battery thermal management system cooled down based on phase-change material and Air Coupling, phase-change material thermal conductivity factor is low in solution phase-change material cooling, and the problem of leakage and heat can not be discharged quickly occurs when phase-change material melts.A kind of battery thermal management system cooled down based on phase-change material and Air Coupling of the utility model, including：Cell (202), phase transformation composite plate (203), radiator (204) and Battery case (205)；The cell (202) constitutes heat-sink unit with the phase transformation composite plate (203), radiator (204)；Cell (202) left and right is symmetrical successively to attach phase transformation composite plate (203) and radiator described in a pair (204) described in a pair；N number of heat-sink unit is transversely arranged, and is accommodated in the cavity of the Battery case (205), and N is natural number；The phase transformation composite plate (203) includes Supporting plate and its heat filling.
Description
Technical field
The utility model is related to a kind of heat management device of power battery, more particularly to a kind of based on phase-change material and air coupling
Close the battery thermal management system of cooling.
Background technology
With the fast development of social economy and science and technology, energy and environment problem has become two hang-ups of the mankind.Pass
The fuel-engined vehicle primary energy consumption amount of system is big, efficiency is low and pollutant discharge amount is big leads to the energy and environment of society
Cause great threat in domain.Electric automobile has the advantages that the consumption of primary energy zero and zero release of pollutant and arisen at the historic moment.But
It is fatal to be that electric automobile also has the shortcomings that：During fast charging and discharging, the caloric value of battery is big.If heat can not be arranged in time
Remove, can raise the temperature of battery, battery temperature is too high to reduce the efficiency of battery, the lost of life, even cause electronic
The safety issues such as self-burning of vehicle.It is therefore necessary to the temperature of battery is controlled using suitable battery hot reason system.
The Major Cooling Methods that current battery heat management system is used are free air cooling, liquid cooling, heat pipe cooling and phase
Become material cooling etc..Heat exchange coefficient is smaller between air cooling and battery wall, and cooling velocity is slower, it is impossible to meets battery and dissipates
The need for heat；Liquid cooling weight is relatively large, and the risk that there is leakage, structure is also relative complex；Heat pipe cooling structure compares
Complexity, system cost is higher, and easily damages；The thermal conductivity factor for the phase-change material that phase-change material cooling is used is relatively low, occurs
Phase-change material is leaked during phase transformation, in complete phase transformation, if heat can not be discharged in time, can lead to not absorb battery heat
Amount.
Therefore, rational battery thermal management system how is designed to improve service efficiency, life-span and the peace of electric automobile
Can Quan Xingyi a widely used key issue as electric automobile.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model, which is provided, a kind of to be cooled down based on phase-change material and Air Coupling
Battery thermal management system, solve phase-change material cooling in phase-change material thermal conductivity factor it is low, phase-change material melt when occur leakage and
The problem of heat can not be discharged quickly.
A kind of battery thermal management system cooled down based on phase-change material and Air Coupling that the utility model is provided is included：It is single
Body battery 202, phase transformation composite plate 203, radiator 204 and Battery case 205；
Cell 202, change composite plate 203 and radiator 204 constitute heat-sink unit；
Cell 202 or so symmetrically attaches a pair of phase transformation composite plates 203 and pair of heat sinks 204 successively；
N number of heat-sink unit is transversely arranged, and is accommodated in the cavity of Battery case 205, and N is natural number；
Phase transformation composite plate 203 includes Supporting plate and its heat filling.
Optionally,
Supporting plate includes polyethylene spatial mesh structure.
Optionally,
Heat filling includes foam metal mean porosities between 93%-95%.
Optionally,
With the upper trigonum 303 of the foam metal of battery cell contact side or the local porosity in upper fan section 302 than surplus
The big 3%-5% of local porosity in remaining region.
Optionally,
Radiator 204 includes metallic plate 401 and fin 402；
Metallic plate 401 is connected with fin 402 by brazing mode；
The material of fin 402 includes foam metal.
Optionally,
Fin 402 includes being distributed in rectangular first fin in the end of metallic plate 401 and is distributed in the middle part of metallic plate 401 four
Second oblique fin of side shape；
The acute angle of the oblique fin of quadrangle is 45 °, and longitudinal pitch is 3-4 times of horizontal spacing.
Optionally,
The processing technology of the foam metal includes sintering and is formed or spliced by the different foam metal of two local porositys
Formed.
Optionally,
The inner bottom surface of Battery case 205 is provided with the first conduit 502, the size of the first conduit 502 and the thickness of metallic plate 401
Match；The side of Battery case 205 is provided with square opening 501, the size of square opening 501 and the thickness matching of fin 402.
Optionally,
The system also includes box cover 201；
Box cover 201 is tightly connected with Battery case 205；
Box cover 201 is provided with the through hole 601 matched with the electrode size of cell 202；
The bottom surface of Battery case 205 is provided with the second conduit 602, the size of the second conduit 602 and the thickness phase of metallic plate 401
Matching.
Optionally,
The system also includes circuit module 206；
Circuit module 206 is used for the flow and stream that corresponding cooling air mode, air are controlled according to prefabricated temperature model
Speed.
As can be seen from the above technical solutions, the utility model embodiment has advantages below：
Existing batteries of electric automobile radiate used organic phase change material thermal conductivity factor it is smaller, and metallic copper or aluminium
Thermal conductivity factor is higher, the heat that the utility model is produced when absorbing single cell operation by composite phase-change plate 203, and heat
Quickly radiator 204 is delivered to, then heat is distributed by radiator 204, maintains the operating temperature of cell 202
Rational scope, improves operating efficiency, security and the life-span of cell.Wherein, heat filling can be foam copper or foam
One of which in aluminium, mean porosities are used as the composite phase-change plate between 93%-95% using the foam metal
203 heat filling, can greatly improve the thermal conductivity factor of organic phase change material, and the compound phase is used as using low density polyethylene (LDPE)
Become the backing material of plate, the spacial framework formed by polymer support materials can prevent oozing out for phase-change material and draw
The leakage problem risen.
Brief description of the drawings
Fig. 1 is a kind of battery thermal management system embodiment cooled down based on phase-change material and Air Coupling in the utility model
Structural representation；
Fig. 2 is a kind of battery thermal management system embodiment cooled down based on phase-change material and Air Coupling in the utility model
Explosive view；
Fig. 3 is a kind of battery thermal management system embodiment cooled down based on phase-change material and Air Coupling in the utility model
Middle one kind in a disguised form checks hardened composition；
Fig. 4 is a kind of battery thermal management system embodiment cooled down based on phase-change material and Air Coupling in the utility model
In another in a disguised form check hardened composition；
Fig. 5 is a kind of battery thermal management system embodiment cooled down based on phase-change material and Air Coupling in the utility model
The structure chart of middle heat sink device；
Fig. 6 is Fig. 5 front view；
Fig. 7 is a kind of battery thermal management system embodiment cooled down based on phase-change material and Air Coupling in the utility model
The structure chart of middle Battery case；
Fig. 8 is Fig. 7 front view；
Fig. 9 is a kind of battery thermal management system embodiment cooled down based on phase-change material and Air Coupling in the utility model
The structure chart of middle box cover.
Embodiment
The utility model provides a kind of battery thermal management system cooled down based on phase-change material and Air Coupling, solves phase transformation
Phase-change material thermal conductivity factor is low in material cooling, and the problem of leakage and heat can not be discharged quickly occurs when phase-change material melts.
Phase-change material is undergone phase transition near its phase transition temperature, discharges or absorb amount of heat, and this of phase-change material is special
Levy and can be used for storage energy or control environment temperature purpose, there is application value in many fields.Phase-change material has application
Field widely the characteristics of, in the cold of building energy conservation, Modern Greenhouse of Agriculture, Solar use, biological medical product and food
Hide and transport, physics medical (thermotherapy), electronic equipment dissipating heat, sportsman's cooling (warming) dress ornament, special temperature-controlled garment, space flight section
Skill, military infrared camouflage, power peak regulation application, industrial exhaust heat storage such as utilize to be respectively provided with obvious application value at the numerous areas.
Refer to Fig. 1 below to Fig. 9 and in conjunction with specific embodiments, one kind that the utility model is provided be based on phase-change material and
The battery thermal management system embodiment of Air Coupling cooling includes：
Cell 202, phase transformation composite plate 203, radiator 204 and Battery case 205；
Cell 202, change composite plate 203 and radiator 204 constitute heat-sink unit；
Cell 202 or so symmetrically attaches a pair of phase transformation composite plates 203 and pair of heat sinks 204 successively；
N number of heat-sink unit is transversely arranged, and is accommodated in the cavity of Battery case 205, and N is natural number；
Phase transformation composite plate 203 includes Supporting plate and its heat filling.
In the present embodiment, the heat produced when absorbing single cell operation by composite phase-change plate 203, and heat is quick
Radiator 204 is delivered to, then heat is distributed by radiator 204, the operating temperature of cell 202 is maintained rationally
Scope, improve cell operating efficiency, security and life-span.Wherein, heat filling can be in foam copper or foamed aluminium
One of which, mean porosities are used as the composite phase-change plate 203 between 93%-95% using the foam metal
Heat filling, can greatly improve the thermal conductivity factor of organic phase change material, make phase-change material (all solid state and complete without phase-change accumulation energy area
Liquid) cold warm end temperature difference reduce, effectively absorb battery produce heat and Quick diffusing go out.
It should be noted that the mean porosities of the foam metal remain unchanged, the foam gold with battery cell contact side
The upper trigonum 303 of category or the local porosity big 3%-5% of the local porosity than remaining area in upper fan section 302.More have
It is the pure heat conduction of remaining area of advocating peace beneficial to upper trigonum or upper fan section heat transfer free convection in phase-change material phase transition process is played
Based on advantage, be conducive to the efficient absorption of cell heat.
It should be noted that the present embodiment uses low density polyethylene (LDPE) as the backing material of composite phase-change plate 203, pass through
The spacial framework of polymer support materials formation, can prevent leakage problem caused by the oozing out of phase-change material.
The processing technology of above-mentioned foam metal includes sintering and is formed or spelled by the different foam metal of two local porositys
Connect to be formed.
Below to a kind of battery thermal management system reality cooled down based on phase-change material and Air Coupling in the utility model
Example is applied to be further detailed：
Radiator 204 includes metallic plate 401 and fin 402；
Metallic plate 401 is connected with fin 402 by brazing mode；
The material of fin 402 includes foam metal.
It should be noted that fin 402 includes being distributed in rectangular first fin in the end of metallic plate 401 and is distributed in gold
Belong to the second oblique fin of the middle part quadrangle of plate 401；The acute angle of the oblique fin of quadrangle is 45 °, and longitudinal pitch is the 3-4 of horizontal spacing
Times.Form based on longitudinal direction, the air flow channel supplemented by inclination, when air flows into ramp way, because width reduces, flow velocity increases
Greatly, the boundary layer that elongatedness is thickened always on vertical passage will be destroyed when flowing out ramp way, the destruction restructuring in boundary layer has
Beneficial to the further reduction of heat transfer resistance, strengthen exchange capability of heat, improve the efficiency of heat management system.So as to reduce air and heat exchange
Convection heat transfer' heat-transfer by convection thermal resistance between wall, strengthens heat-sinking capability.
A kind of battery thermal management system embodiment cooled down based on phase-change material and Air Coupling in the utility model is entered
Row further comprises：
The system also includes box cover 201；
Box cover 201 is tightly connected with Battery case 205；
Box cover 201 is provided with the through hole 601 matched with the electrode size of cell 202；
The bottom surface of Battery case 205 is provided with the second conduit 602, the size of the second conduit 602 and the thickness phase of metallic plate 401
Matching.So as to cause system architecture is set simple, compact by the design, space availability ratio is high.
A kind of battery thermal management system embodiment cooled down based on phase-change material and Air Coupling in the utility model is entered
Row further comprises：Circuit module 206, circuit module 206 is used to control corresponding air cooling side according to prefabricated temperature model
The flow and flow velocity of formula, air.So that heat is reasonably discharged in battery thermal management system, the normal work of battery is maintained
Make.
Described above, above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although ginseng
The utility model is described in detail according to previous embodiment, it will be understood by those within the art that：It is still
Technical scheme described in foregoing embodiments can be modified, or which part technical characteristic is equally replaced
Change；And these modifications or replacement, the essence of appropriate technical solution is departed from each embodiment technical scheme of the utility model
Spirit and scope.
Claims (10)
1. a kind of battery thermal management system cooled down based on phase-change material and Air Coupling, it is characterised in that including：Cell
(202), phase transformation composite plate (203), radiator (204) and Battery case (205)；
The cell (202) constitutes heat-sink unit with the phase transformation composite plate (203), radiator (204)；The monomer electricity
Pond (202) left and right is symmetrical successively to attach phase transformation composite plate (203) and radiator described in a pair (204) described in a pair；
N number of heat-sink unit is transversely arranged, and is accommodated in the cavity of the Battery case (205), and N is natural number；
The phase transformation composite plate (203) includes Supporting plate and its heat filling.
2. a kind of battery thermal management system cooled down based on phase-change material and Air Coupling according to claim 1, it is special
Levy and be：The supporting plate includes polyethylene spatial mesh structure.
3. a kind of battery thermal management system cooled down based on phase-change material and Air Coupling according to claim 1, it is special
Levy and be：The heat filling includes foam metal mean porosities between 93%-95%.
4. a kind of battery thermal management system cooled down based on phase-change material and Air Coupling according to claim 3, it is special
Levy and be：Upper trigonum (303) or the part of upper fan section (302) with the foam metal of the battery cell contact side
Local porosity big 3%-5% of the porosity than remaining area.
5. a kind of battery thermal management system cooled down based on phase-change material and Air Coupling according to claim 3, it is special
Levy and be：The radiator (204) includes metallic plate (401) and fin (402)；
The metallic plate (401) is connected with the fin (402) by brazing mode；
Fin (402) material includes the foam metal.
6. a kind of battery thermal management system cooled down based on phase-change material and Air Coupling according to claim 5, it is special
Levy and be：
The fin (402) includes being distributed in rectangular first fin in the metallic plate (401) end and is distributed in the gold
Belong to the second oblique fin of quadrangle in the middle part of plate (401)；
The acute angle of the oblique fin of quadrangle is 45 °, and longitudinal pitch is 3-4 times of horizontal spacing.
7. a kind of battery thermal cooled down based on phase-change material and Air Coupling according to any one of claim 3 to 6
Reason system, it is characterised in that：The processing technology of the foam metal includes sintering and formed or different by two local porositys
Foam metal is spliced to form.
8. a kind of battery thermal management system cooled down based on phase-change material and Air Coupling according to claim 5, it is special
Levy and be：Battery case (205) inner bottom surface is provided with the first conduit (502), the size of first conduit (502) and institute
The thickness for stating metallic plate (401) matches；The Battery case (205) is provided with square opening (501), the square opening sideways
(501) size and the fin (402) thickness matching.
9. a kind of battery thermal management system cooled down based on phase-change material and Air Coupling according to claim 5, it is special
Levy and be：
The system also includes box cover (201)；
The box cover (201) is tightly connected with the Battery case (205)；
The box cover (201) is provided with the through hole (601) matched with the electrode size of the cell (202)；
Battery case (205) bottom surface is provided with the second conduit (602), size and the gold of second conduit (602)
The thickness of category plate (401) matches.
10. a kind of battery thermal management system cooled down based on phase-change material and Air Coupling according to claim 1, it is special
Levy and be：The system also includes circuit module (206)；
The circuit module (206) be used for according to prefabricated temperature model control corresponding cooling air mode, the flow of air and
Flow velocity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621133547.XU CN206546865U (en) | 2016-10-18 | 2016-10-18 | A kind of battery thermal management system cooled down based on phase-change material and Air Coupling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621133547.XU CN206546865U (en) | 2016-10-18 | 2016-10-18 | A kind of battery thermal management system cooled down based on phase-change material and Air Coupling |
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| Publication Number | Publication Date |
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| CN206546865U true CN206546865U (en) | 2017-10-10 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252787A (en) * | 2016-10-18 | 2016-12-21 | 广东工业大学 | A kind of battery thermal management system cooled down based on phase-change material and Air Coupling |
| CN108232362A (en) * | 2017-12-29 | 2018-06-29 | 江苏大学 | It is a kind of that system and control method are managed based on the power battery pack of phase-change accumulation energy device and Air Coupling |
| CN109244300A (en) * | 2018-10-12 | 2019-01-18 | 武汉理工大学 | lithium battery heat management device |
| CN109768194A (en) * | 2018-12-27 | 2019-05-17 | 中国石油大学(华东) | It is a kind of based on phase-change material-fin composite construction lithium ion battery mould group heat management system |
| CN110571494A (en) * | 2018-06-05 | 2019-12-13 | 株式会社斯巴鲁 | cooling structure for vehicle battery |
-
2016
- 2016-10-18 CN CN201621133547.XU patent/CN206546865U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252787A (en) * | 2016-10-18 | 2016-12-21 | 广东工业大学 | A kind of battery thermal management system cooled down based on phase-change material and Air Coupling |
| CN106252787B (en) * | 2016-10-18 | 2019-03-15 | 广东工业大学 | A kind of battery thermal management system cooling based on phase-change material and Air Coupling |
| CN108232362A (en) * | 2017-12-29 | 2018-06-29 | 江苏大学 | It is a kind of that system and control method are managed based on the power battery pack of phase-change accumulation energy device and Air Coupling |
| CN110571494A (en) * | 2018-06-05 | 2019-12-13 | 株式会社斯巴鲁 | cooling structure for vehicle battery |
| CN109244300A (en) * | 2018-10-12 | 2019-01-18 | 武汉理工大学 | lithium battery heat management device |
| CN109768194A (en) * | 2018-12-27 | 2019-05-17 | 中国石油大学(华东) | It is a kind of based on phase-change material-fin composite construction lithium ion battery mould group heat management system |
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171010 Effective date of abandoning: 20190315 |
|
| AV01 | Patent right actively abandoned |