CN103682517A - Combined heat dissipation device of power battery pack - Google Patents
Combined heat dissipation device of power battery pack Download PDFInfo
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- CN103682517A CN103682517A CN201310711664.4A CN201310711664A CN103682517A CN 103682517 A CN103682517 A CN 103682517A CN 201310711664 A CN201310711664 A CN 201310711664A CN 103682517 A CN103682517 A CN 103682517A
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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 invention discloses a combined heat dissipation device of a power battery pack. The combined heat dissipation device comprises a box body, a cover plate, battery cells, phase change material layers, porous surface heat pipes, radiating fins and fans, wherein the battery pack comprising the plurality of battery cells is arranged in the box body; a gap is formed between every two adjacent battery cells and filled with the phase change material layer; the porous surface heat pipes are embedded into the phase change material layers and filled with liquid cooling working mediums; the radiating fins are mounted on the cover plate; the porous surface heat pipes are connected with the radiating fins; the cover plate is in seal fit with the box body; the fans are mounted at the top ends of the radiating fins. Heat generated by the battery pack is stored through the phase change material layers, and the heat in the phase change material layers is transferred to the radiating fins through the porous surface heat pipes and finally guided to an external environment; the number of started fans is decided according to the heat generated by the battery pack to forcedly dissipate the heat so as to keep the original temperature of a battery, prevent the temperature of the battery from being increased due to the rapidly increased heat generated by the battery pack, improve the safety of the battery and prolong the service life of the battery.
Description
Technical field
The present invention relates to electric automobile power battery heat dissipation technology, relate in particular to a kind of composite heat dissipation device of power battery pack.
Background technology
Energy and environment have become the problem that Present Global is paid close attention to the most, traditional using gasoline or diesel oil low as the conventional internal combustion engine thermal efficiency of fuel, not only cause energy waste, cause energy crisis, also bring serious environmental pollution and ecological deterioration.And electric automobile because thering are energy-saving and environmental protection, can use various energy resources, noise is low etc., and lot of advantages has been subject to great attention.
Battery is as the critical component in electric automobile, and its performance directly affects the operation conditions of electric automobile, and temperature is the key factor that affects electrokinetic cell performance.When vehicle is under the different travel conditions of the checkers such as high speed, low speed, acceleration, deceleration, battery can discharge with different multiplying, produces amount of heat, battery pack limited space while adding car load design, cause the dissipation of heat in use procedure slower, battery temperature very easily raises.Too high temperature can cause the reduction of capacity, life-span and the energy efficiency of battery, if distribute heat not in time under high temperature can cause the generation of thermal runaway, violent expansion and the danger of blast seriously happens occasionally.
The heat management problems of current driving force battery has been subject to many battery manufacturers and expert's extensive concern, what on market, generally adopt is air cooling heat dissipation ventilation mode, but this mode cooling rate is slow, between battery cell, temperature distribution evenness is poor, and this safe operation to electrokinetic cell is very disadvantageous.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of composite heat dissipation device of power battery pack is provided, compared with prior art there is heat dissipation capacity large, radiating efficiency is high, processing is simple, utilizes phase-change material, heat pipe and air-cooled composite radiating mode to overcome the technical problem that is difficult to quick heat radiating after phase-change material heat accumulation.
The present invention is achieved through the following technical solutions:
A composite heat dissipation device for power battery pack, comprises casing 1, cover plate 5, cell 3, phase-change material layers 2, porous surface heat pipe 4, fin 6, fan 7; The battery pack that the interior placement of casing 1 consists of a plurality of cells 3; Between each adjacent cell monomer, there is gap, in gap, fill phase-change material layers 2, and be embedded in porous surface heat pipe 4 at phase-change material layers 2, in porous surface heat pipe 4, be connected with liquid cools working medium, fin 6 is arranged on cover plate 5, this porous surface heat pipe 4 is connected with fin 6, and cover plate 5 is sealed and matched with casing 1, and fan 7 is arranged on the top of fin 6.
Described porous surface heat pipe 4 is divided into evaporation ends 8 and condensation end 9, and described evaporation ends 8 is placed in the inside of casing 1, and contacts with phase-change material layers 2, and condensation end 9 is placed in casing 1 outside through cover plate 5, and condensation end 9 is sealed and matched with cover plate 5 junctions.
Evaporation ends 8 surface coverage of described porous surface heat pipe 4 have the inter-adhesive metallic particles layer 8-1 of one deck, and condensation end 9 is smooth surface structure.
Described phase-change material layers 2 includes the composite phase-change material that graphite, carbon fiber or carbon nano-tube form.
5 of described fin 6 and cover plates adopt screw or are welded to connect.
Described fin 6 is aluminium alloy or copper.
With respect to prior art, tool of the present invention has the following advantages and beneficial effect:
The present invention, by the combination of phase-change material layers, porous surface heat pipe, fin and fan, forms the multiple type of cooling of combined type, the volume of battery cooling system can be simplified and is dwindled, and is conducive to the fusion of cooling system and electric automobile; By multiple type of cooling synergy, can effectively control battery temperature, particularly, when rugged environment moves, effectively ensure the uniformity of battery cell temperature; Can, according to the different requirements of the power of battery, determine the quantity that fan is opened.
The scope of application of the present invention is wide, can meet the requirement of different dynamic battery, as lithium ion, ni-mh, lead-acid battery etc.
Accompanying drawing explanation
Fig. 1 is the composite heat dissipation device structural representation of power battery pack of the present invention;
Fig. 2 is the schematic top plan view that the composite heat dissipation device of power battery pack of the present invention is removed fan;
Fig. 3 is the cross-sectional view of the composite heat dissipation device of power battery pack of the present invention;
Fig. 4 is the porous surface heat pipe structure schematic diagram of the composite heat dissipation device of power battery pack of the present invention.
Embodiment
Below in conjunction with specific embodiment, the present invention is more specifically described in detail.
Embodiment
As shown in Figures 1 to 3.The composite heat dissipation device of power battery pack of the present invention, comprises casing 1, cover plate 5, cell 3, phase-change material layers 2, porous surface heat pipe 4, fin 6, fan 7; The battery pack that the interior placement of casing 1 consists of a plurality of cells 3; Between each adjacent cell monomer, there is gap, in gap, fill phase-change material layers 2, and be embedded in porous surface heat pipe 4 at phase-change material layers 2, in porous surface heat pipe 4, be connected with liquid cools working medium, fin 6 is arranged on cover plate 5, this porous surface heat pipe 4 is connected with fin 6, and cover plate 5 is sealed and matched with casing 1, and fan 7 is arranged on the top of fin 6.
As shown in Figure 4.Described porous surface heat pipe 4 is divided into evaporation ends 8 and condensation end 9, and described evaporation ends 8 is placed in the inside of casing 1, and contacts with phase-change material layers 2, and condensation end 9 is placed in casing 1 outside through cover plate 5, and condensation end 9 is sealed and matched with cover plate 5 junctions.Evaporation ends 8 surface coverage of described porous surface heat pipe 4 have the inter-adhesive metallic particles layer 8-1 of one deck, and condensation end 9 is smooth surface structure.
Evaporation ends 8 absorbs battery pack heat by phase-change material 2, and condensation end 9 stretches out outside battery pack and coordinates release heat with fin 6.For avoiding heat disturbance, it between condensation end 9 and evaporation ends 8, is adiabatic end.For better heat absorption and heat radiation, need to increase heat exchange area, therefore on evaporation ends 8 surfaces, be provided with metallic particles layer 8-1 attaching structure, condensation end 9 connects fin 6 heat radiations, between fin 6 and condensation end 9, scribble the heat-conducting silicone grease heat-resisting, heat conductivility is excellent, because the heat production of battery set charge/discharge process is non-linear, therefore, the existing heat cushioning effect of the latent heat of phase-change material layers 2 has again the effect of bulk temperature in balancing battery group.
Described phase-change material layers 2 includes the composite phase-change material that graphite, carbon fiber or carbon nano-tube form.5 of described fin 6 and cover plates adopt screw or are welded to connect.Described fin 6 is aluminium alloy or copper.
Liquid cools working medium in porous surface heat pipe 4, the heat of each cell 3 is sent to condensation end 9, by fin 6, heat is outputed to external environment condition, according to the size of cell 3 discharge-rates or quantity of heat production, determine that the quantity of unlatching fan 7 is carried out forced heat radiation.Effectively compound by this Complex-cooling mode, can significantly reduce the temperature of battery pack, guarantees the consistency of each cell 3 temperature.
The quantity of fan 7 open number by the size of battery power discharge multiplying power or quantity of heat production, determined, when power battery pack running environment relatively severe (as summer) or short time are during high power discharge, the temperature of power battery pack and then while sharply raising, in casing, phase-change material layers 2 cannot meet the needs of battery pack heat radiation, at this moment needing to open 7 pairs of condensation ends of fan 9 forces cooling with fin 6, the diffusion of accelerated heat, battery pack heat is transmitted to condensation end 9 from the evaporation ends 8 of porous surface heat pipe 4 fast, reached the object of heat radiation.When battery pack 3 is during without high power discharge, heat reduces, and now the radiating mode of battery pack is to rely on phase-change material layers heat absorption to realize by 6 pairs of function of environment heat emissions of fin with porous surface heat pipe 4.
Just can realize preferably the present invention as mentioned above.
Above-described embodiment is better embodiment of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from the change of doing under Spirit Essence of the present invention and principle and should be equivalent substitute mode, is included in protection scope of the present invention.
Claims (6)
1. a composite heat dissipation device for power battery pack, is characterized in that: comprise casing, cover plate, cell, phase-change material layers, porous surface heat pipe, fin, fan; In casing, place the battery pack being formed by a plurality of cells; Between each adjacent cell monomer, there is gap, in gap, fill phase-change material layers, and be embedded in porous surface heat pipe at phase-change material layers, in porous surface heat pipe, be connected with liquid cools working medium, fin is installed on the cover board, this porous surface heat pipe is connected with fin, and cover plate coordinates with box sealing, and fan is arranged on the top of fin.
2. the composite heat dissipation device of power battery pack according to claim 1, it is characterized in that: described porous surface heat pipe is divided into evaporation ends and condensation end, described evaporation ends is placed in the inside of casing, and contact with phase-change material layers, condensation end is placed in casing outside through cover plate, and condensation end and cover plate junction are sealed and matched.
3. the composite heat dissipation device of power battery pack according to claim 2, is characterized in that: the evaporation ends surface coverage of described porous surface heat pipe has the inter-adhesive metallic particles layer of one deck, and condensation end is smooth surface structure.
4. the composite heat dissipation device of power battery pack according to claim 1, is characterized in that: described phase-change material layers includes the composite phase-change material that graphite, carbon fiber or carbon nano-tube form.
5. the composite heat dissipation device of power battery pack according to claim 1, is characterized in that: between described fin and cover plate, adopt screw or be welded to connect.
6. the composite heat dissipation device of power battery pack according to claim 5, is characterized in that: described fin is aluminium alloy or copper.
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| CN201310711664.4A CN103682517A (en) | 2013-12-20 | 2013-12-20 | Combined heat dissipation device of power battery pack |
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| CN201310711664.4A CN103682517A (en) | 2013-12-20 | 2013-12-20 | Combined heat dissipation device of power battery pack |
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| CN201310711664.4A Pending CN103682517A (en) | 2013-12-20 | 2013-12-20 | Combined heat dissipation device of power battery pack |
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Cited By (33)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103972602A (en) * | 2014-04-28 | 2014-08-06 | 国家电网公司 | Thermal compensation system for electric vehicle battery pack |
| CN104393366A (en) * | 2014-09-29 | 2015-03-04 | 中国矿业大学 | Power battery module based on air, hot pipe and phase-change material coupled cooling |
| CN104681894A (en) * | 2014-12-19 | 2015-06-03 | 北京新能源汽车股份有限公司 | Method for performing thermal runaway protection on power battery pack by utilizing heat pipe technology |
| CN104953202A (en) * | 2015-05-07 | 2015-09-30 | 同济大学 | Temperature control system of power modular battery |
| CN105356004A (en) * | 2015-10-27 | 2016-02-24 | 上海工程技术大学 | Combined heat dissipating device provided with fins and foam heat conduction structure |
| CN105633509A (en) * | 2016-03-17 | 2016-06-01 | 华南理工大学 | Power battery composite heat management system and method thereof |
| CN105655665A (en) * | 2016-02-03 | 2016-06-08 | 上海工程技术大学 | Heat dissipation device of power battery |
| CN105742542A (en) * | 2016-05-06 | 2016-07-06 | 上海工程技术大学 | Forced convection power battery heat radiation device |
| CN105914311A (en) * | 2016-06-08 | 2016-08-31 | 西南交通大学 | Battery box of electric vehicle |
| CN106159375A (en) * | 2016-08-15 | 2016-11-23 | 山东圣阳电源股份有限公司 | A kind of accumulator battery temperature-controlling system |
| CN106602171A (en) * | 2016-12-22 | 2017-04-26 | 中国矿业大学 | Phase-change material/air-coupled hierarchical battery heat management system |
| CN106784441A (en) * | 2017-01-11 | 2017-05-31 | 长沙理工大学 | It is a kind of for the radiating case lid of electric automobile battery box and its application |
| CN107196014A (en) * | 2017-06-15 | 2017-09-22 | 成都动力核芯科技有限公司 | A kind of lithium ion battery of electric automobile phase change radiator structure |
| CN107221727A (en) * | 2017-06-15 | 2017-09-29 | 成都动力核芯科技有限公司 | A kind of lithium ion battery phase change radiator structure of round-the-clock electric automobile |
| CN107887671A (en) * | 2016-09-30 | 2018-04-06 | 中国科学院广州能源研究所 | A kind of round-the-clock effective heat management system of Li-ion batteries piles |
| CN108039535A (en) * | 2018-01-08 | 2018-05-15 | 北京国能电池科技有限公司 | U-shaped phase-change heat radiating device and battery case |
| CN108493514A (en) * | 2018-05-16 | 2018-09-04 | 西安科技大学 | A kind of heat dissipation of battery pack and heating device and control method |
| CN108574061A (en) * | 2017-03-13 | 2018-09-25 | 珠海银隆电器有限公司 | A kind of battery pack radiator based on sealing structure |
| CN109546260A (en) * | 2018-11-16 | 2019-03-29 | 中山大学 | A kind of novel thermal transfer devices using heat pipe-PCM coupling thermal management technology |
| CN109860949A (en) * | 2019-01-22 | 2019-06-07 | 重庆交通大学 | Cell safety heat management device |
| CN110247131A (en) * | 2019-06-03 | 2019-09-17 | 佛山科学技术学院 | A kind of radiator and battery pack |
| CN111584970A (en) * | 2020-04-14 | 2020-08-25 | 广东工业大学 | Battery thermal management system |
| CN111987382A (en) * | 2020-08-18 | 2020-11-24 | 深圳市道通智能航空技术有限公司 | Unmanned aerial vehicle ground base station's battery cooling module and unmanned aerial vehicle ground base station |
| CN112072213A (en) * | 2020-10-07 | 2020-12-11 | 华北电力大学 | Compound heat abstractor of impulse type heat pipe power battery |
| CN112086706A (en) * | 2019-06-12 | 2020-12-15 | 中国石油化工股份有限公司 | Heat dissipation method for power battery |
| CN112086704A (en) * | 2019-06-12 | 2020-12-15 | 中国石油化工股份有限公司 | Power battery heat dissipation device based on ionic liquid phase-change material |
| CN112654206A (en) * | 2020-11-05 | 2021-04-13 | 西安交通大学 | 5G base station lightweight cooling system for mine |
| CN113048097A (en) * | 2021-04-29 | 2021-06-29 | 杭州余杭特种风机有限公司 | Centrifugal blower impeller and centrifugal blower thereof |
| CN113097598A (en) * | 2021-04-07 | 2021-07-09 | 华北电力大学 | Immersed passive thermal switch based on phase-change material and control method thereof |
| CN113555623A (en) * | 2021-09-23 | 2021-10-26 | 江苏久祥汽车电器集团有限公司 | Heat radiation structure of group battery |
| CN114967292A (en) * | 2022-06-10 | 2022-08-30 | 重庆睿视兴科技有限公司 | Refrigeration science camera with multiple heat radiation structure |
| CN115498328A (en) * | 2022-11-07 | 2022-12-20 | 山东大学 | Semi-open type battery thermal management device coupled with battery surface |
| CN117254167A (en) * | 2023-11-15 | 2023-12-19 | 安徽中科中涣智能装备股份有限公司 | Low-energy-consumption energy-storage prefabricated cabin temperature control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103972602A (en) * | 2014-04-28 | 2014-08-06 | 国家电网公司 | Thermal compensation system for electric vehicle battery pack |
| CN104393366B (en) * | 2014-09-29 | 2016-09-21 | 中国矿业大学 | A kind of power battery module based on the coupling cooling of air, heat pipe and phase-change material |
| CN104393366A (en) * | 2014-09-29 | 2015-03-04 | 中国矿业大学 | Power battery module based on air, hot pipe and phase-change material coupled cooling |
| CN104681894A (en) * | 2014-12-19 | 2015-06-03 | 北京新能源汽车股份有限公司 | Method for performing thermal runaway protection on power battery pack by utilizing heat pipe technology |
| CN104953202A (en) * | 2015-05-07 | 2015-09-30 | 同济大学 | Temperature control system of power modular battery |
| CN105356004A (en) * | 2015-10-27 | 2016-02-24 | 上海工程技术大学 | Combined heat dissipating device provided with fins and foam heat conduction structure |
| CN105655665A (en) * | 2016-02-03 | 2016-06-08 | 上海工程技术大学 | Heat dissipation device of power battery |
| CN105633509B (en) * | 2016-03-17 | 2018-07-20 | 华南理工大学 | A kind of power battery compound thermal management system and method |
| CN105633509A (en) * | 2016-03-17 | 2016-06-01 | 华南理工大学 | Power battery composite heat management system and method thereof |
| CN105742542A (en) * | 2016-05-06 | 2016-07-06 | 上海工程技术大学 | Forced convection power battery heat radiation device |
| CN105742542B (en) * | 2016-05-06 | 2018-07-31 | 上海工程技术大学 | A kind of forced convertion power battery heat-radiating device |
| CN105914311A (en) * | 2016-06-08 | 2016-08-31 | 西南交通大学 | Battery box of electric vehicle |
| CN105914311B (en) * | 2016-06-08 | 2018-06-19 | 西南交通大学 | A kind of electric automobile battery box |
| CN106159375A (en) * | 2016-08-15 | 2016-11-23 | 山东圣阳电源股份有限公司 | A kind of accumulator battery temperature-controlling system |
| CN107887671B (en) * | 2016-09-30 | 2020-03-13 | 中国科学院广州能源研究所 | All-weather effective thermal management system for lithium ion battery pack |
| CN107887671A (en) * | 2016-09-30 | 2018-04-06 | 中国科学院广州能源研究所 | A kind of round-the-clock effective heat management system of Li-ion batteries piles |
| CN106602171A (en) * | 2016-12-22 | 2017-04-26 | 中国矿业大学 | Phase-change material/air-coupled hierarchical battery heat management system |
| CN106602171B (en) * | 2016-12-22 | 2019-04-26 | 中国矿业大学 | A kind of hierarchical battery thermal management system of phase-change material/Air Coupling |
| JP2019510346A (en) * | 2016-12-22 | 2019-04-11 | 中国▲鉱▼▲業▼大学 | Stepped battery thermal management system combining thermal management with phase change material and thermal management with air |
| CN106784441A (en) * | 2017-01-11 | 2017-05-31 | 长沙理工大学 | It is a kind of for the radiating case lid of electric automobile battery box and its application |
| CN108574061A (en) * | 2017-03-13 | 2018-09-25 | 珠海银隆电器有限公司 | A kind of battery pack radiator based on sealing structure |
| CN107221727A (en) * | 2017-06-15 | 2017-09-29 | 成都动力核芯科技有限公司 | A kind of lithium ion battery phase change radiator structure of round-the-clock electric automobile |
| CN107196014A (en) * | 2017-06-15 | 2017-09-22 | 成都动力核芯科技有限公司 | A kind of lithium ion battery of electric automobile phase change radiator structure |
| CN108039535A (en) * | 2018-01-08 | 2018-05-15 | 北京国能电池科技有限公司 | U-shaped phase-change heat radiating device and battery case |
| CN108493514A (en) * | 2018-05-16 | 2018-09-04 | 西安科技大学 | A kind of heat dissipation of battery pack and heating device and control method |
| CN108493514B (en) * | 2018-05-16 | 2024-01-26 | 西安科技大学 | Heat dissipation and heating device of battery pack and control method |
| CN109546260A (en) * | 2018-11-16 | 2019-03-29 | 中山大学 | A kind of novel thermal transfer devices using heat pipe-PCM coupling thermal management technology |
| CN109860949A (en) * | 2019-01-22 | 2019-06-07 | 重庆交通大学 | Cell safety heat management device |
| CN110247131A (en) * | 2019-06-03 | 2019-09-17 | 佛山科学技术学院 | A kind of radiator and battery pack |
| CN112086706A (en) * | 2019-06-12 | 2020-12-15 | 中国石油化工股份有限公司 | Heat dissipation method for power battery |
| CN112086704A (en) * | 2019-06-12 | 2020-12-15 | 中国石油化工股份有限公司 | Power battery heat dissipation device based on ionic liquid phase-change material |
| CN111584970A (en) * | 2020-04-14 | 2020-08-25 | 广东工业大学 | Battery thermal management system |
| CN111987382A (en) * | 2020-08-18 | 2020-11-24 | 深圳市道通智能航空技术有限公司 | Unmanned aerial vehicle ground base station's battery cooling module and unmanned aerial vehicle ground base station |
| CN112072213A (en) * | 2020-10-07 | 2020-12-11 | 华北电力大学 | Compound heat abstractor of impulse type heat pipe power battery |
| CN112654206A (en) * | 2020-11-05 | 2021-04-13 | 西安交通大学 | 5G base station lightweight cooling system for mine |
| CN113097598A (en) * | 2021-04-07 | 2021-07-09 | 华北电力大学 | Immersed passive thermal switch based on phase-change material and control method thereof |
| CN113097598B (en) * | 2021-04-07 | 2023-06-09 | 华北电力大学 | Phase-change material-based immersed passive thermal switch and control method thereof |
| CN113048097A (en) * | 2021-04-29 | 2021-06-29 | 杭州余杭特种风机有限公司 | Centrifugal blower impeller and centrifugal blower thereof |
| CN113555623A (en) * | 2021-09-23 | 2021-10-26 | 江苏久祥汽车电器集团有限公司 | Heat radiation structure of group battery |
| CN114967292A (en) * | 2022-06-10 | 2022-08-30 | 重庆睿视兴科技有限公司 | Refrigeration science camera with multiple heat radiation structure |
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Application publication date: 20140326 |