CN103138029A - Thermal management system of lithium battery in hybrid power vehicle - Google Patents
Thermal management system of lithium battery in hybrid power vehicle Download PDFInfo
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- CN103138029A CN103138029A CN2013100696831A CN201310069683A CN103138029A CN 103138029 A CN103138029 A CN 103138029A CN 2013100696831 A CN2013100696831 A CN 2013100696831A CN 201310069683 A CN201310069683 A CN 201310069683A CN 103138029 A CN103138029 A CN 103138029A
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Abstract
The invention relates to a thermal management system of a lithium battery in a hybrid power vehicle. The thermal management system comprises a box body with an air inlet and an air outlet, wherein a plurality of lines of lithium battery packs are vertically arranged in the box body, a coupling heat radiating device is arranged between every two adjacent lithium battery packs, each coupling heat radiating device comprises two vertical partitioning plates and a phase-change material, a plurality of vertical fibs are uniformly respectively arranged at one opposite sides of the two partitioning plates along the horizontal direction, the two adjacent fins and the two partitioning plates are combined to form a vertical installing groove, the phase-change materials are arranged in partial installing grooves in a sealing manner, and the left installing grooves are used as air runners, and one or more air runners are arranged between the two adjacent installing grooves with the phase-change materials. The thermal management system of the lithium battery in the hybrid power vehicle has the advantages of simple structure, low energy consumption, good temperature control effect and low cost and has multiple functions of heat radiation, heating, thermal insulation and the like.
Description
Technical field
The present invention relates to the heat management system of lithium battery in a kind of hybrid vehicle.
Background technology
Storage battery is the important component part of mixed power electric car, and the quality of its operating state directly affects the fail safe, economy etc. of car load.Lithium ion battery can be emitted heat in charge and discharge process, simultaneously automobile limited the space in battery pack generally adopt compact arrangement form, untimely can cause the heat accumulation of inside battery if dispel the heat, cause thermal runaway, have a strong impact on performance and the safety of battery, the inconsistent meeting of temperature causes the inconsistent of battery performance, causes the super-charge super-discharge of part battery, makes the whole decline of battery performance.In addition, ambient temperature below 10 ℃ the time, battery discharge capacity begin to descend, particularly evident during lower than-20 ℃ when temperature, have a strong impact on the normal use of battery pack and electric automobile.
At present, there have been many researchers both domestic and external that the heat dissipation problem of lithium battery in hybrid vehicle is studied.Heat dissipating method mainly is divided into: air-cooling, liquid cools method, phase-change material cooling method, heat pipe cooling method etc.
Wherein, forced air convection current cooling method is because it is simple in structure, cost low and preferably radiating effect be widely used.But under the conditions such as higher ambient temperature, lasting large load, the method not only energy consumption increases greatly, and radiating effect also can't reach requirement;
The liquid cools method has the thermal transmission coefficient higher with respect to air, thinner liquid boundary layer, and higher thermal conductivity, it can realize the effective cooling to battery pack temperature, can realize again the even distribution of temperature between cell.But the method need to increase extra circulation and heat abstractor, complex structure, and volume and the quality of system are excessive.
The phase-change material cooling method utilizes the characteristic of the absorption latent heat of phase change in the material phase transformation process to reach cooling purpose.The method does not need extra equipment, does not need energy drives, has hot cushioning effect preferably.But it belongs to a kind of passive heat dissipating method, can only work in the phase transition temperature scope, and because the lower thermal conductivity of phase-change material causes its heat absorption speed lower, radiating effect is undesirable under large loading condiction.Adopt at battery surrounding filling phase-change material of simple phase-change material cooling system realized more, the very difficult heating that realizes battery pack of this structure.
The heat pipe cooling method, heat pipe is a kind of hollow pipe of hermetically-sealed construction, and an end is evaporation ends, and the other end is condensation end, containing when evaporation in pipe takes back liquid when transmitting the liquid of amount of heat and condensation the liquid-sucking core of starting point, is a kind of heat conductor that utilizes the phase transformation efficient heat transfer.The method can solve the problem of battery pack heat radiation preferably, but has increased the complexity of system, and due to the character of the unidirectional heat transfer of heat pipe, and this structure is difficult to realize the heating to battery pack equally.
The patent application of CN201110108209.6 has proposed to utilize phase-change material to carry out cooling to battery and has kept simultaneously the method for air flow channel, but this patent is mainly the application that proposes the higher composite phase-change material of a kind of thermal conductivity, in its structure, power brick is wrapped in composite phase-change material, air flow channel does not directly contact with battery between composite phase-change material, can only carry out cooling to phase-change material, can't realize the cooling of battery and heating, and its composite phase-change material preparation is complicated.
Summary of the invention
The object of the invention is to, for the deficiencies in the prior art, provide the heat management system of lithium battery in a kind of hybrid vehicle, in conjunction with the advantage of air heat radiation with two kinds of cooling methods of phase-change material heat radiation, can realize simultaneously air heat radiation and phase-change material heat radiation, simple in structure, good heat dissipation effect.
technical scheme of the present invention is, the heat management system of lithium battery in a kind of hybrid vehicle, comprise the casing with air inlet and air outlet, vertically place multiple row lithium battery group in casing, the coupling heat abstractor is installed between adjacent lithium battery group, described coupling heat abstractor comprises two vertical dividing plates and phase-change material, two relative side along continuous straight runs of dividing plate evenly are provided with respectively a plurality of vertical fins, adjacent two fins and two baffle combinations form a vertical mounting groove, described phase-change material sealing is arranged in the part mounting groove, all the other mounting grooves are as air flow channel, and adjacent two one or more air flow channels in mounting groove interval that phase-change material is housed.
Aluminium or copper with high thermal conductivity become finned plate-fin dividing plate, fill phase-change material with the form at interval and reserve simultaneously air flow channel in fin clearance, and wherein phase-change material is sealed between fin, prevents from occurring in phase transition process leakage phenomenon.Plate-fin structure can improve the integral heat sink area, and solves the too low problem of olefin material thermal conductivity by fin heat conduction.This structure also has the air conducting distributional effects, can improve the temperature consistency.
Be provided with the air-out passage that is communicated with air outlet above lithium battery group in described casing, and be provided with the air intake passage that is communicated with air inlet below the lithium battery group in casing, described air flow channel is communicated with air intake passage and air-out passage respectively, can realize the air heat radiation.
Described box inside is sealed with phase-change material layers, plays the effect of heat buffering, thermal insulation, insulation.
Described phase-change material is paraffin, and is different according to operating position, chooses between 35 ~ 50 ℃ of phase transition temperatures.Waiting in the winter time and choosing phase transition temperature under cryogenic conditions is the phase-change material of 35 ~ 40 ℃; Choose phase transition temperature and be the phase-change material of 40 ~ 45 ℃ under typical condition; Choose phase transition temperature and be the phase-change material of 45 ~ 50 ℃ when the ambient temperatures such as summer are higher.
In the situation such as normal temperature and summer high temperature (25 ~ 40 ℃), when little load, the temperature of battery pack slowly raises, input cooling-air by blower fan through air inlet, cooling-air carries out cooling through fin flow guiding, distribution to the lithium battery group, hot-air is discharged through air outlet, in this process, adjust the intake size according to battery temperature, air quantity is to keep in air flow channel maximum quantity of wind as laminar condition as the upper limit.When large load, first carry out cooling by blower fan input cooling-air to the lithium battery group, when temperature rises to phase transition temperature higher than phase-change material, the heat of lithium battery group passes to phase-change material through dividing plate, fin, phase-change material generation solid-liquid phase change endothermic process, the temperature that suppresses the lithium battery group rises, and plays hot cushioning effect.When loading from large to small, cooling-air will be taken away the heat that stores in phase-change material, ensure that phase-change material can continuous firing.
Ambient temperature is lower than in the situation of 10 ℃, when mixed power electric car starts, battery pack temperature is too low, the waste heat that utilizes engine heats the air of air inlet, and hot-air is realized heating to the lithium battery group guaranteeing the normal use of lithium battery group through air flow channel.In driving process, utilize the energy storage characteristic of phase-change material, can utilize the heat that the lithium battery group is sent that the lithium battery group is incubated, by controlling the Fan Regulation intake, lithium battery group temperature is controlled at optimum temperature range simultaneously.
The present invention is as the heat management system of lithium battery in a kind of hybrid vehicle, and is simple in structure, consumes energy low, and temperature control effect is good, and cost is low, has simultaneously the diversified functions such as heat radiation, heating and insulation.
Description of drawings
Fig. 1 is the structural front view of lithium battery heat management system of the present invention;
Fig. 2 is the cross sectional view of A-A face in Fig. 1;
Fig. 3 is the structural representation of coupling heat abstractor in Fig. 1.
Embodiment
as Fig. 1, shown in Figure 2, the heat management system of lithium battery in a kind of hybrid vehicle, comprise the casing 1 with air inlet 4 and air outlet 3, the multiple row lithium battery group 5 of casing 1 interior vertical placement, coupling heat abstractor 6 is installed between adjacent lithium battery group 5, as shown in Figure 3, the coupling heat abstractor comprises two vertical dividing plates 7 and phase-change material 8, two relative side along continuous straight runs of dividing plate 7 evenly are provided with respectively a plurality of vertical fins 9, adjacent two fins 9 and two dividing plates 7 are combined to form a vertical mounting groove, described phase-change material sealing is arranged in the part mounting groove, all the other mounting grooves are as air flow channel 10, and adjacent two mounting groove one, interval air flow channels 10 that phase-change material 8 is housed.
Lithium battery group 5 tops in casing are provided with the air-out passage 2 that is communicated with air outlet 4, and casing interior lithium battery group 5 belows are provided with the air intake passage 11 that is communicated with air inlet 3, and described air flow channel 10 is communicated with air intake passage 11 and air-out passage 2 respectively.
Box inside is sealed with phase-change material layers, and phase-change material layers is paraffin.
Phase-change material 8 is paraffin.Fin 9 and dividing plate 7 adopt aluminium or the copper of high thermal conductivity.
Claims (5)
1. the heat management system of lithium battery in a hybrid vehicle, the casing (1) that comprises band air inlet (4) and air outlet (3), vertically place multiple row lithium battery group (5) in casing (1), it is characterized in that, coupling heat abstractor (6) is installed between adjacent lithium battery group (5), described coupling heat abstractor comprises two vertical dividing plates (7) and phase-change material (8), the side along continuous straight runs that two dividing plates (7) are relative evenly is provided with respectively a plurality of vertical fins (9), adjacent two fins (9) and two dividing plates (7) are combined to form a vertical mounting groove, described phase-change material sealing is arranged in the part mounting groove, all the other mounting grooves are as air flow channel (10), and adjacent two one or more air flow channels in mounting groove interval (10) that phase-change material (8) is housed.
2. the heat management system of lithium battery in hybrid vehicle according to claim 1, it is characterized in that, be provided with the air-out passage (2) that is communicated with air outlet (4) above lithium battery group (5) in described casing, and being provided with the air intake passage (11) that is communicated with air inlet (3) below the lithium battery group (5) in casing, described air flow channel (10) is communicated with air intake passage (11) and air-out passage (2) respectively.
3. the heat management system of lithium battery in described hybrid vehicle according to claim 1 and 2, is characterized in that, described box inside is sealed with phase-change material layers.
4. the heat management system of lithium battery in described hybrid vehicle according to claim 1 and 2, is characterized in that, described phase-change material (8) is paraffin.
5. the heat management system of lithium battery in hybrid vehicle according to claim 3, is characterized in that, described phase-change material layers is paraffin.
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Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104538704A (en) * | 2014-12-31 | 2015-04-22 | 上海鹰峰电子科技有限公司 | Composite superconducting plate heat pipe power battery heat management system |
| CN104934656A (en) * | 2014-03-18 | 2015-09-23 | 福特全球技术公司 | Traction battery thermal management system |
| CN105406152A (en) * | 2015-12-03 | 2016-03-16 | 天津大学 | Thermal management system for lithium-ion battery in power car |
| KR101609239B1 (en) | 2013-07-31 | 2016-04-05 | 주식회사 엘지화학 | Device for Heating the Battery Pack Using Phase Change Material and Temperature Control Apparatus for the Battery Pack Comprising the Same |
| CN105513816A (en) * | 2015-11-30 | 2016-04-20 | 唐山轨道客车有限责任公司 | Energy storage equipment cooling system |
| CN105513817A (en) * | 2015-12-01 | 2016-04-20 | 唐山轨道客车有限责任公司 | Heat-dissipation structure for energy storage equipment |
| CN105703014A (en) * | 2016-03-31 | 2016-06-22 | 成都国珈星际固态锂电科技有限公司 | Heating device |
| CN106099251A (en) * | 2016-08-19 | 2016-11-09 | 北京紫光瑞控科技有限公司 | From temperature control automobile batteries case |
| CN106299550A (en) * | 2016-09-19 | 2017-01-04 | 宁德时代新能源科技股份有限公司 | battery pack thermal management device |
| CN106602171A (en) * | 2016-12-22 | 2017-04-26 | 中国矿业大学 | Phase-change material/air-coupled hierarchical battery heat management system |
| CN107579306A (en) * | 2017-08-22 | 2018-01-12 | 合肥国轩高科动力能源有限公司 | A kind of battery module cooled down based on air and phase-change material |
| CN107591588A (en) * | 2017-09-13 | 2018-01-16 | 东莞市沃泰通新能源有限公司 | A kind of cooling device of the stacked battery pack formed of ferric phosphate lithium cell monomer |
| CN107623154A (en) * | 2017-09-29 | 2018-01-23 | 北京航空航天大学 | The cylindrical battery pack heat dissipation device and method of a kind of radiated rib using composite phase-change material |
| CN107863588A (en) * | 2017-12-08 | 2018-03-30 | 南昌航空大学 | A kind of heat management coupled system of dynamic lithium battery group |
| CN108091961A (en) * | 2017-12-12 | 2018-05-29 | 桑顿新能源科技有限公司 | A kind of battery drainage samming liquid cooling plate |
| CN109193067A (en) * | 2018-08-22 | 2019-01-11 | 华南理工大学 | A kind of composite phase-change material radiator of lithium ion battery |
| CN109244300A (en) * | 2018-10-12 | 2019-01-18 | 武汉理工大学 | lithium battery heat management device |
| CN109860950A (en) * | 2019-01-29 | 2019-06-07 | 武汉理工大学 | A kind of heat management device of combined electric automobile power cell |
| CN110176653A (en) * | 2019-06-25 | 2019-08-27 | 华东交通大学 | A kind of phase transformation combined type battery heat management system and its control method |
| CN111216601A (en) * | 2020-01-09 | 2020-06-02 | 杨西望 | Low-temperature-resistant power supply system for new energy vehicle |
| CN112164842A (en) * | 2020-09-28 | 2021-01-01 | 长安大学 | Lithium ion battery heat exchange device |
| CN117317450A (en) * | 2023-11-30 | 2023-12-29 | 深圳市山木新能源科技股份有限公司 | High heat dissipation type solid-state battery module structure |
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Cited By (32)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101609239B1 (en) | 2013-07-31 | 2016-04-05 | 주식회사 엘지화학 | Device for Heating the Battery Pack Using Phase Change Material and Temperature Control Apparatus for the Battery Pack Comprising the Same |
| CN104934656A (en) * | 2014-03-18 | 2015-09-23 | 福特全球技术公司 | Traction battery thermal management system |
| CN104934656B (en) * | 2014-03-18 | 2019-03-08 | 福特全球技术公司 | Traction battery heat management system |
| 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 |
| 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 |
| CN104538704A (en) * | 2014-12-31 | 2015-04-22 | 上海鹰峰电子科技有限公司 | Composite superconducting plate heat pipe power battery heat management system |
| CN105513816A (en) * | 2015-11-30 | 2016-04-20 | 唐山轨道客车有限责任公司 | Energy storage equipment cooling system |
| CN105513817A (en) * | 2015-12-01 | 2016-04-20 | 唐山轨道客车有限责任公司 | Heat-dissipation structure for energy storage equipment |
| CN105513817B (en) * | 2015-12-01 | 2019-04-02 | 中车唐山机车车辆有限公司 | The radiator structure of energy storage device |
| CN105406152A (en) * | 2015-12-03 | 2016-03-16 | 天津大学 | Thermal management system for lithium-ion battery in power car |
| CN105703014B (en) * | 2016-03-31 | 2018-05-29 | 成都国珈星际固态锂电科技有限公司 | A kind of heating unit |
| CN105703014A (en) * | 2016-03-31 | 2016-06-22 | 成都国珈星际固态锂电科技有限公司 | Heating device |
| CN106099251A (en) * | 2016-08-19 | 2016-11-09 | 北京紫光瑞控科技有限公司 | From temperature control automobile batteries case |
| CN106299550A (en) * | 2016-09-19 | 2017-01-04 | 宁德时代新能源科技股份有限公司 | battery pack thermal management device |
| 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 |
| CN106602171A (en) * | 2016-12-22 | 2017-04-26 | 中国矿业大学 | Phase-change material/air-coupled hierarchical battery heat management system |
| CN107579306A (en) * | 2017-08-22 | 2018-01-12 | 合肥国轩高科动力能源有限公司 | A kind of battery module cooled down based on air and phase-change material |
| CN107591588B (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 the stacked battery pack constituted of ferric phosphate lithium cell monomer |
| CN107591588A (en) * | 2017-09-13 | 2018-01-16 | 东莞市沃泰通新能源有限公司 | A kind of cooling device of the stacked battery pack formed of ferric phosphate lithium cell monomer |
| CN107623154A (en) * | 2017-09-29 | 2018-01-23 | 北京航空航天大学 | The cylindrical battery pack heat dissipation device and method of a kind of radiated rib using composite phase-change material |
| CN107863588A (en) * | 2017-12-08 | 2018-03-30 | 南昌航空大学 | A kind of heat management coupled system of dynamic lithium battery group |
| CN108091961B (en) * | 2017-12-12 | 2021-09-17 | 桑顿新能源科技(长沙)有限公司 | Drainage samming liquid cooling plate for battery |
| CN108091961A (en) * | 2017-12-12 | 2018-05-29 | 桑顿新能源科技有限公司 | A kind of battery drainage samming liquid cooling plate |
| CN109193067A (en) * | 2018-08-22 | 2019-01-11 | 华南理工大学 | A kind of composite phase-change material radiator of lithium ion battery |
| CN109244300A (en) * | 2018-10-12 | 2019-01-18 | 武汉理工大学 | lithium battery heat management device |
| CN109860950A (en) * | 2019-01-29 | 2019-06-07 | 武汉理工大学 | A kind of heat management device of combined electric automobile power cell |
| CN110176653A (en) * | 2019-06-25 | 2019-08-27 | 华东交通大学 | A kind of phase transformation combined type battery heat management system and its control method |
| CN110176653B (en) * | 2019-06-25 | 2023-11-28 | 华东交通大学 | Phase-change composite battery thermal management system and control method thereof |
| CN111216601A (en) * | 2020-01-09 | 2020-06-02 | 杨西望 | Low-temperature-resistant power supply system for new energy vehicle |
| CN111216601B (en) * | 2020-01-09 | 2021-05-11 | 绍兴市秀臻新能源科技有限公司 | Low-temperature-resistant power supply system for new energy vehicle |
| CN112164842A (en) * | 2020-09-28 | 2021-01-01 | 长安大学 | Lithium ion battery heat exchange device |
| CN117317450A (en) * | 2023-11-30 | 2023-12-29 | 深圳市山木新能源科技股份有限公司 | High heat dissipation type solid-state battery module structure |
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Application publication date: 20130605 |