CN203339275U - Air-cooling battery heat management device containing phase-change material for electric vehicle - Google Patents

Air-cooling battery heat management device containing phase-change material for electric vehicle Download PDF

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Publication number
CN203339275U
CN203339275U CN2013203573538U CN201320357353U CN203339275U CN 203339275 U CN203339275 U CN 203339275U CN 2013203573538 U CN2013203573538 U CN 2013203573538U CN 201320357353 U CN201320357353 U CN 201320357353U CN 203339275 U CN203339275 U CN 203339275U
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China
Prior art keywords
battery
change
phase
shell
air
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CN2013203573538U
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Chinese (zh)
Inventor
王红民
杨志
周耀华
胡锐鸿
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华南理工大学
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Priority to CN2013203573538U priority Critical patent/CN203339275U/en
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Publication of CN203339275U publication Critical patent/CN203339275U/en

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    • Y02E60/12

Abstract

The utility model discloses an air-cooling battery heat management device containing a phase-change material for an electric vehicle. The air-cooling battery heat management device comprises a sandwich layer which is sleeved on the outer wall of a battery, wherein an inner shell of the sandwich layer is fitted with the outer wall of the battery, a porous medium is filled between the inner shell and an outer shell of the sandwich layer, the phase-change material is respectively filled in pores of the porous medium, and the outer shell of the sandwich layer is provided with a heat radiating fin. The heat produced by the battery is transferred to the inner shell of the sandwich layer in a heat conduction manner, then transferred to the outer shell of the sandwich layer through a porous medium skeleton in the sandwich layer and finally radiated in an air cooling manner through the heat radiating fin. By adopting the phase-change material which is filled in the pores of the porous medium inside the sandwich layer, the temperature of the battery can be ensured to be maintained within an optimal constant working temperature range. The air-cooling battery heat management device is simple in structure, easy to manufacture and convenient to popularize and use. Meanwhile, by adopting the air-cooling battery heat management device, the temperature inside the battery can be ensured to be uniformly distributed, and the temperature of the battery is maintained within the optimal working range.

Description

The Luftgekuhlte rotierende batteries of electric automobile heat management device that contains phase-change material
Technical field
The utility model relates to the battery thermal management field, particularly contains the Luftgekuhlte rotierende batteries of electric automobile heat management device of phase-change material.
Background technology
Battery is one of core component of electric automobile and hybrid vehicle, its performance quality directly has influence on the performance of electric automobile and hybrid vehicle, yet be subject to the restriction of technical conditions, the performance of electrokinetic cell is difficult to have in a short time large breakthrough, if make electric automobile obtain commercial applications, just must guarantee that battery works under optimal conditions, to improve its service behaviour, life-saving.The electrokinetic cell bag used on electric automobile is comprised of by series-parallel system a plurality of battery modules, all can produce heat in battery charge and discharge process, thereby make the power brick bulk temperature raise, and can have a strong impact on battery performance and life-span during excess Temperature, even can directly cause battery failure.Simultaneously, while discharging and recharging, in power brick, the heat release in each single pond or the inhomogeneous meeting of dispelling the heat cause in power brick occurring the temperature difference, and the cell degradation that local temperature is higher is very fast, and long-play can destroy the consistency of battery pack, thereby battery pack was lost efficacy.On the other hand, when battery is worked at low temperatures, cell voltage and discharge capacity meeting decrease, temperature is low to a certain extent, may cause electric motor car to start or normally to travel.Battery is carried out to effective heat management, make power brick when work, its interior temperature distribution is even, and whole power brick temperature maintains in the optimum working temperature scope of battery, to improving battery performance, extending battery life is most important.So it is significant to applying of electric automobile and hybrid vehicle to develop high performance battery thermal management system.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, proposes a kind ofly can maintain the Luftgekuhlte rotierende batteries of electric automobile heat management device that contains phase-change material in optimum temperature range to battery temperature.
The utility model adopts following technical scheme:
A kind of Luftgekuhlte rotierende batteries of electric automobile heat management device that contains phase-change material, comprise battery case, a plurality of interconnective batteries are set in described battery case, described battery outer wall cover has interlayer, the inner casing of described interlayer and the laminating of the outer wall of battery, filling porous medium between the Inner of interlayer shell and shell, fill phase-change material in the hole of described porous media.
On described interlayer shell, radiating fin is set.
Described porous media is made by copper or aluminium.
Described radiating fin is a kind of in plate, Wave plate shape or triangle corrugated plate type.
The course of work of the present utility model:
The heat that battery distributes by heat conduction pass to interlayer inner casing, pass to shell by the porous media skeleton in interlayer, finally by radiating fin, the mode with air cooling distributes, battery steady operation time institute liberated heat under certain load can dissipate by above-mentioned heat-conducting mode, and battery temperature remains in optimum temperature range; When battery load is unstable, the heat that battery produces also can change fast, and the phase-change material of at this moment filling in the porous media hole can the absorption portion heat, and battery temperature is still maintained in optimum temperature range.
The beneficial effects of the utility model:
(1) be filled with the interlayer of porous media and phase-change material, not only good heat conductivity but also heat storage capacity are strong, can guarantee that internal temperature of battery is uniformly distributed, and can guarantee that battery temperature maintains in the optimum working temperature scope;
(2) interlayer good airproof performance, can effectively prevent that phase-change material from causing damage to corrosion or the phase-change material leakage of battery to battery;
(3) on the shell of interlayer, radiating fin is set, radiating fin can adopt flat board, waveform, triangle corrugated etc., can the enhance heat effect;
(4), in battery case, the radiating fin on the interlayer shell of all batteries connects together, and battery is had to good fixation.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
The vertical view that Fig. 2 is battery in-line arrangement in the utility model embodiment;
The structural representation of the plate outer fin of Fig. 3 (a), (b) structural representation of the outer fin of Wave plate shape, (c) structural representation of the outer fin of triangle ripple type;
Fig. 4 is the vertical view that in the utility model embodiment, battery is staggered in arrangement.
Shown in figure:
The 101-battery, the Inner shell of 102-interlayer, 103-phase-change material, the shell of 104-interlayer, 105-radiating fin.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but execution mode of the present utility model is not limited to this.
Embodiment
As shown in Figure 1, a kind of Luftgekuhlte rotierende batteries of electric automobile heat management device that contains phase-change material, comprise battery case, a plurality of interconnective batteries 101 are set in described battery case, and described battery outer wall cover has interlayer, and the inner casing 102 of described interlayer is fitted with the outer wall of battery 101, to reduce contact heat resistance, filling porous medium between the shell 104 of the Inner of interlayer shell 102 and interlayer, fill phase-change material 103 in the hole of described porous media, on described interlayer shell, radiating fin 105 is set.
As Fig. 3 (a) (b) as shown in (c), described radiating fin 105 is a kind of in plate, Wave plate shape or triangle corrugated plate type, the enhance heat effect.
Battery 101 in described battery case can adopt along row, stagger arrangement or mix to arrange and place, and is illustrated in figure 2 the schematic diagram of a plurality of batteries 101 at the battery case in-line arrangement, is illustrated in figure 4 the schematic diagram that a plurality of batteries 101 are staggered in arrangement in battery case.
Described porous media adopts the material of the good heat conductivity such as copper or aluminium to make, phase-change material 103 can adopt inorganic, organic or composite phase-change material, the phase transition temperature of phase-change material should be in the optimum working temperature scope of battery, and the type of phase-change material is selected according to battery operated temperature.
The thickness of described porous media and phase-change material, determine according to battery types and operating characteristic.
Cold air in battery case can adopt natural draft or forced ventilation, while adopting natural draft, an air cleaner should be set before battery case, is purified before making air enter battery case; While adopting forced ventilation, also should comprise air filter and blower fan.
The heat that battery distributes by heat conduction pass through the inner casing of interlayer, porous media skeleton in interlayer outwards transmits, it is final that by outer fin, the mode with air cooling dissipates.Because the porous media that is filled with phase-change material has very strong heat storage capacity, played the effect of heat buffering in diabatic process, thereby made battery each several part temperature more even, and can guarantee that battery temperature maintains in the optimum working temperature scope.
Above-described embodiment is preferably execution mode of the utility model; but execution mode of the present utility model is not limited by the examples; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection range of the present utility model.

Claims (4)

1. a Luftgekuhlte rotierende batteries of electric automobile heat management device that contains phase-change material, comprise battery case, a plurality of interconnective batteries are set in described battery case, described battery outer wall cover has interlayer, the inner casing of described interlayer and the laminating of the outer wall of battery, it is characterized in that, filling porous medium between the Inner of interlayer shell and shell, fill phase-change material in the hole of described porous media.
2. the Luftgekuhlte rotierende batteries of electric automobile heat management device that contains phase-change material according to claim 1, is characterized in that, on described interlayer shell, radiating fin is set.
3. the Luftgekuhlte rotierende batteries of electric automobile heat management device that contains phase-change material according to claim 1, is characterized in that, described porous media is made by copper or aluminium.
4. the Luftgekuhlte rotierende batteries of electric automobile heat management device that contains phase-change material according to claim 2, is characterized in that, described radiating fin is a kind of in plate, Wave plate shape or triangle corrugated plate type.
CN2013203573538U 2013-06-20 2013-06-20 Air-cooling battery heat management device containing phase-change material for electric vehicle CN203339275U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013203573538U CN203339275U (en) 2013-06-20 2013-06-20 Air-cooling battery heat management device containing phase-change material for electric vehicle

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Application Number Priority Date Filing Date Title
CN2013203573538U CN203339275U (en) 2013-06-20 2013-06-20 Air-cooling battery heat management device containing phase-change material for electric vehicle

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103325964A (en) * 2013-06-20 2013-09-25 华南理工大学 Air cooled electric automobile battery thermal-management device containing phase change material
CN104810491A (en) * 2015-03-27 2015-07-29 北京航空航天大学 Battery protection and temperature control system
CN105406152A (en) * 2015-12-03 2016-03-16 天津大学 Thermal management system for lithium-ion battery in power car
CN106532177A (en) * 2016-10-25 2017-03-22 中国科学技术大学 Assembly component for heat dissipation and thermal runaway propagation blocking
CN108336449A (en) * 2018-01-24 2018-07-27 北京机械设备研究所 A kind of lithium battery pack based on phase-change material
CN110289377A (en) * 2019-05-29 2019-09-27 南京航空航天大学 Power battery pack based on foamed aluminium material and cylindrical battery
CN110299484A (en) * 2019-05-29 2019-10-01 南京航空航天大学 Power battery pack based on foamed aluminium material and soft-package battery
CN111313053A (en) * 2018-12-11 2020-06-19 中国科学院大连化学物理研究所 Aluminum-air battery heat exchange device for communication base station

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103325964A (en) * 2013-06-20 2013-09-25 华南理工大学 Air cooled electric automobile battery thermal-management device containing phase change material
CN104810491A (en) * 2015-03-27 2015-07-29 北京航空航天大学 Battery protection and temperature control system
CN104810491B (en) * 2015-03-27 2017-06-06 北京航空航天大学 A kind of battery protection and temperature-controlling system
CN105406152A (en) * 2015-12-03 2016-03-16 天津大学 Thermal management system for lithium-ion battery in power car
CN106532177A (en) * 2016-10-25 2017-03-22 中国科学技术大学 Assembly component for heat dissipation and thermal runaway propagation blocking
CN108336449A (en) * 2018-01-24 2018-07-27 北京机械设备研究所 A kind of lithium battery pack based on phase-change material
CN108336449B (en) * 2018-01-24 2019-10-08 北京机械设备研究所 A kind of lithium battery pack based on phase-change material
CN111313053A (en) * 2018-12-11 2020-06-19 中国科学院大连化学物理研究所 Aluminum-air battery heat exchange device for communication base station
CN110289377A (en) * 2019-05-29 2019-09-27 南京航空航天大学 Power battery pack based on foamed aluminium material and cylindrical battery
CN110299484A (en) * 2019-05-29 2019-10-01 南京航空航天大学 Power battery pack based on foamed aluminium material and soft-package battery
CN110299484B (en) * 2019-05-29 2020-08-14 南京航空航天大学 Power battery pack based on foamed aluminum material and soft package battery
CN110289377B (en) * 2019-05-29 2020-08-14 南京航空航天大学 Power battery pack based on foamed aluminum material and cylindrical battery

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131211

Termination date: 20160620

CF01 Termination of patent right due to non-payment of annual fee