CN204441416U - A kind of battery radiator based on vapor chamber heat dissipation technology - Google Patents
A kind of battery radiator based on vapor chamber heat dissipation technology Download PDFInfo
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- CN204441416U CN204441416U CN201520043523.4U CN201520043523U CN204441416U CN 204441416 U CN204441416 U CN 204441416U CN 201520043523 U CN201520043523 U CN 201520043523U CN 204441416 U CN204441416 U CN 204441416U
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- vapor chamber
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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 radiator based on vapor chamber heat dissipation technology, comprise vapor chamber, described vapor chamber comprises evaporation element and condensing unit, described evaporation element and condensing unit are connected to form vacuum chamber, condensate liquid is accommodated in described vacuum chamber, the inner side tiling of described evaporation element is provided with multiple capillary microtubule be made up of water wetted material, and the inner side tiling of described condensing unit is provided with multiple capillary microtubule be made up of hydrophobic material.After the utility model absorbs the heat of battery by the condensate liquid in vacuum chamber, evaporation forms steam, and steam arrives after condensing unit place carries out heat exchange with external environment condition again and forms condensing droplet, proceeds cycling hot and exchanges.The utility model effectively can reduce the thermal accumlation of battery local, strengthens the heat exchange with external environment simultaneously, improves radiating efficiency, can be widely used in the field of radiating of battery.
Description
Technical field
The utility model relates to the field of radiating of battery, particularly relates to a kind of battery radiator based on vapor chamber heat dissipation technology.
Background technology
For the challenge that reply energy crisis and environmental pollution bring, people are seeking the power resources that the clean energy resource of conventional fossil fuel can be replaced as automobile.Electric automobile and hybrid vehicle become one of optimal selection of future transportation instrument with the characteristic of its environmental protection and energy saving, and the principal element of present stage restriction electric motor car development is the stability of battery.The amount of heat that battery produces at work is accumulated by electric motor vehicle cell box small space affects, cause non-uniform temperature everywhere thus affect the consistency of battery cell, and cause cell integrated temperature rise remarkable, not only reduce battery charging and discharging cycle efficieny, affect the power of battery and the utilization of energy, time serious, also will cause thermal runaway.If do not dispelled the heat in time, gently then can cause losing of battery life, affect the operating state of battery; Heavy then the perils such as battery catches fire blast may be caused, therefore take suitable cooling measure to be absolutely necessary to battery.For making battery pack play best performance and life-span, needing battery thermal management system to control battery temperature, reducing temperature contrast between battery cell on the one hand, reducing battery pack bulk temperature on the other hand, reducing accumulation of heat.
Existing battery thermal management system mainly adopts air-cooled as battery pack radiating mode, the heat of battery surface is taken away by cooling air, lower and the structure of this cooling system cost is simple, is easy to realize, but radiating efficiency is high and to raising battery pack temperature consistency DeGrain.
Utility model content
In order to solve above-mentioned technical problem, the purpose of this utility model is to provide a kind of battery radiator based on vapor chamber heat dissipation technology.
The utility model solves the technical scheme that its technical problem adopts:
A kind of battery radiator based on vapor chamber heat dissipation technology, comprise vapor chamber, described vapor chamber comprises evaporation element and condensing unit, described evaporation element and condensing unit are connected to form vacuum chamber, condensate liquid is accommodated in described vacuum chamber, the inner side tiling of described evaporation element is provided with multiple capillary microtubule be made up of water wetted material, and the inner side tiling of described condensing unit is provided with multiple capillary microtubule be made up of hydrophobic material.
Further, the outer surface of described condensing unit is smooth surface, and inner surface is the curved surface upwards arched upward, and formation edge is thick, the domes of intermediate thin.
Further, the outer surface of described evaporation element is smooth surface, and inner surface is the curved surface arched upward downwards, and formation edge is thick, the domes of intermediate thin.
Further, hydrophobic membrane layer is also provided with between described evaporation element and condensing unit.
Further, the middle part of a side of described vapor chamber is provided with the discharging tube being communicated with vacuum chamber, and the end of described discharging tube is connected with dismountable seal member.
Further, the aperture of described discharging tube is 8 ~ 12mm, and thickness is 1.5 ~ 2.5mm.
Further, the thickness of described vacuum chamber is 18 ~ 22mm.
Further, described condensate liquid adopts water or ethanol.
Further, described condensing unit is provided with multiple radiating fin.
The beneficial effects of the utility model are: a kind of battery radiator based on vapor chamber heat dissipation technology of the present utility model, comprise vapor chamber, described vapor chamber comprises evaporation element and condensing unit, described evaporation element and condensing unit are connected to form vacuum chamber, condensate liquid is accommodated in described vacuum chamber, the inner side tiling of described evaporation element is provided with multiple capillary microtubule be made up of water wetted material, and the inner side tiling of described condensing unit is provided with multiple capillary microtubule be made up of hydrophobic material.After the utility model absorbs the heat of battery by the condensate liquid in vacuum chamber, evaporation forms steam, and steam arrives after condensing unit place carries out heat exchange with external environment condition again and forms condensing droplet, proceeds cycling hot and exchanges.The utility model effectively can reduce the thermal accumlation of battery local, and strengthen the heat exchange with external environment, radiating efficiency is higher, can dispel the heat to battery rapidly simultaneously.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is the first structural representation of a kind of battery radiator based on vapor chamber heat dissipation technology of the present utility model;
Fig. 2 is the operation principle schematic diagram of a kind of battery radiator based on vapor chamber heat dissipation technology of the present utility model;
Fig. 3 is the second structural representation of a kind of battery radiator based on vapor chamber heat dissipation technology of the present utility model;
Fig. 4 is the 3rd structural representation of a kind of battery radiator based on vapor chamber heat dissipation technology of the present utility model.
Embodiment
With reference to Fig. 1, the utility model provides a kind of battery radiator based on vapor chamber heat dissipation technology, comprise vapor chamber, described vapor chamber comprises evaporation element 1 and condensing unit 2, described evaporation element 1 and condensing unit 2 are connected to form vacuum chamber 3, condensate liquid is accommodated in described vacuum chamber 3, the inner side tiling of described evaporation element 1 is provided with multiple capillary microtubule be made up of water wetted material, and the inner side tiling of described condensing unit 2 is provided with multiple capillary microtubule be made up of hydrophobic material.
Be further used as preferred embodiment, with reference to Fig. 2, the outer surface of described condensing unit 2 is smooth surface, and inner surface is the curved surface upwards arched upward, and formation edge is thick, the domes of intermediate thin.
Be further used as preferred embodiment, the outer surface of described evaporation element 1 is smooth surface, and inner surface is the curved surface arched upward downwards, and formation edge is thick, the domes of intermediate thin.
Be further used as preferred embodiment, with reference to Fig. 3, between described evaporation element 1 and condensing unit 2, be also provided with hydrophobic membrane layer 9.
Be further used as preferred embodiment, with reference to Fig. 4, the middle part of a side of described vapor chamber is provided with the discharging tube 11 being communicated with vacuum chamber 3, and the end of described discharging tube 11 is connected with dismountable seal member 12.
Be further used as preferred embodiment, the aperture of described discharging tube 11 is 8 ~ 12mm, and thickness is 1.5 ~ 2.5mm.
Be further used as preferred embodiment, the thickness of described vacuum chamber 3 is 18 ~ 22mm.
Be further used as preferred embodiment, described condensate liquid adopts water or ethanol.
Be further used as preferred embodiment, described condensing unit 2 is provided with multiple radiating fin.
Below in conjunction with specific embodiment, the utility model is elaborated.
Referring to figs. 1 through Fig. 4, a kind of battery radiator based on vapor chamber heat dissipation technology, comprise vapor chamber, vapor chamber comprises evaporation element 1 and condensing unit 2, evaporation element 1 and condensing unit 2 are connected to form vacuum chamber 3, accommodate condensate liquid in vacuum chamber 3, the inner side tiling of evaporation element 1 is provided with multiple capillary microtubule be made up of water wetted material, and the inner side tiling of condensing unit 2 is provided with multiple capillary microtubule be made up of hydrophobic material.Evaporation element 1 and the flat board that condensing unit 2 is two pieces of intermediate thin, edge is thick, adopt heat conductive insulating rubber to make, and can prevent short-circuit conditions while enhancing heat transfer efficiency.
During use, this battery radiator is arranged on the top of battery 10, during radiator work, the heat that battery 10 sends conducts to evaporation element 1 place as thermal source 5, and the condensate liquid being in the cavity bottom of vacuum chamber 3 absorbs, thus battery 10 surface temperature is reduced; Simultaneously, because vacuum chamber 3 internal gas pressure is lower, boiling point of liquid reduces, accelerate the vaporization rate of condensate liquid, there is vaporization form vapours 6 because absorbing amount of heat in condensate liquid, vapours 6 is because the lower meeting of density is to the top of vacuum chamber 3 and surrounding flowing, until touch the condensing unit 2 be positioned at above vacuum chamber 3, and realize heat exchange by condensing unit 2 and external environment condition, produce hot-fluid 4 and dispel the heat, reach heat radiation object.Because vapours 6 temperature is far above ambient temperature, condensing unit 2 medial surface liquefies, forms condensing droplet 7 and drop down onto evaporation element 1 due to Action of Gravity Field, then forming backflow 8, finally get back to the centre position bottom vacuum chamber 3, carry out next one heat radiation circulation.Effectively can be reduced the thermal accumlation of battery 10 local by this cyclic process, strengthen the heat exchange with external environment simultaneously, improve radiating efficiency.
In the present embodiment, the outer surface of condensing unit 2 is smooth surface, and inner surface is the curved surface upwards arched upward, and formation edge is thick, the domes of intermediate thin; The outer surface of evaporation element 1 is smooth surface, and inner surface is the curved surface arched upward downwards, and formation edge is thick, the domes of intermediate thin.The outer surface of condensing unit 2 and evaporation element 1 is smooth surface, can ensure fully to contact with external environment condition or battery 10 surface, carries out heat transfer better.Evaporation element 1 forms that edge is thick, the domes of intermediate thin, and the middle position that the condensate liquid be positioned on evaporation element 1 in vacuum chamber 3 can be made to be gathered in battery 10 accelerates localized heat exchange rate.Condensing unit 2 forms that edge is thick, the domes of intermediate thin, occur after can making to absorb heat by evaporation element 1 steam 6 of vaporizing touch form condensing droplet 7 after condensing unit 2 after by the capillary microtubule on condensing unit 2 medial surface to edge flowing, in sliding process, condensing droplet 7 continues to carry out heat exchange with external environment condition, extend the time of carrying out heat exchange heat radiation, there is better radiating effect.Finally, condensing droplet 7 drops down onto evaporation element 1 due to Action of Gravity Field, form backflow 8, finally get back to the middle position of centre position bottom vacuum chamber 3 and evaporation element 1, also be the middle position of battery 10, carry out next one heat radiation circulation, middle process is got back in backflow 8 from edge, also the heat of simultaneously stability battery 10, take away the heat at the edge of battery 10, and wherein a part of condensate liquid of backflow 8 evaporates after will absorbing heat, this process can reach the object of the central authorities of balancing battery 10 and the temperature at edge.The curved surface radian of the inner surface of condensing unit 2 and evaporation element 1 can be adjusted by actual needs.
Also be provided with the hydrophobic membrane layer 9 be made up of hydrophobic material between evaporation element 1 and condensing unit 2, below steam 6 can be allowed to pass through and prevent condensate liquid from directly dripping from central top, increase time of contact between condensate liquid and external environment, make it fully cool.
As shown in Figure 4, the middle part of a side of vapor chamber is provided with the discharging tube 11 being communicated with vacuum chamber 3, and the end of discharging tube 11 is connected with dismountable seal member 12.Discharging tube 11 for importing, deriving condensate liquid in vacuum chamber 3, and extract air in vacuum chamber 3 out reduction air pressure, discharging tube 11 must be shut in the radiator course of work, prevent the situation of leakage or air pressure inside rising, therefore be provided with dismountable seal member 12, conveniently operate.The aperture of discharging tube 11 is 8 ~ 12mm, and thickness is 1.5 ~ 2.5mm.Preferably, in the present embodiment, the aperture of discharging tube 11 is 10mm, and thickness is 2mm.
The thickness of vacuum chamber 3 is 18 ~ 22mm, and in the present embodiment, the thickness of the centre of vacuum chamber 3 is 20mm.
Condensate liquid can adopt water or ethanol etc.
In order to accelerate the radiating rate of radiator, multiple radiating fin can also be provided with on condensing unit 2.
More than that better enforcement of the present utility model is illustrated, but the invention is not limited to embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to the utility model spirit, and these equivalent modification or replacement are all included in the application's claim limited range.
Claims (9)
1. the battery radiator based on vapor chamber heat dissipation technology, it is characterized in that, comprise vapor chamber, described vapor chamber comprises evaporation element and condensing unit, described evaporation element and condensing unit are connected to form vacuum chamber, accommodate condensate liquid in described vacuum chamber, the inner side tiling of described evaporation element is provided with multiple capillary microtubule be made up of water wetted material, and the inner side tiling of described condensing unit is provided with multiple capillary microtubule be made up of hydrophobic material.
2. a kind of battery radiator based on vapor chamber heat dissipation technology according to claim 1, is characterized in that, the outer surface of described condensing unit is smooth surface, and inner surface is the curved surface upwards arched upward, and formation edge is thick, the domes of intermediate thin.
3. a kind of battery radiator based on vapor chamber heat dissipation technology according to claim 1, is characterized in that, the outer surface of described evaporation element is smooth surface, and inner surface is the curved surface arched upward downwards, and formation edge is thick, the domes of intermediate thin.
4. a kind of battery radiator based on vapor chamber heat dissipation technology according to claim 1, is characterized in that, be also provided with hydrophobic membrane layer between described evaporation element and condensing unit.
5. a kind of battery radiator based on vapor chamber heat dissipation technology according to claim 1, it is characterized in that, the middle part of one side of described vapor chamber is provided with the discharging tube being communicated with vacuum chamber, and the end of described discharging tube is connected with dismountable seal member.
6. a kind of battery radiator based on vapor chamber heat dissipation technology according to claim 5, is characterized in that, the aperture of described discharging tube is 8 ~ 12mm, and thickness is 1.5 ~ 2.5mm.
7. a kind of battery radiator based on vapor chamber heat dissipation technology according to claim 1, the thickness of described vacuum chamber is 18 ~ 22mm.
8. a kind of battery radiator based on vapor chamber heat dissipation technology according to claim 1, is characterized in that, described condensate liquid adopts water or ethanol.
9. a kind of battery radiator based on vapor chamber heat dissipation technology according to claim 1, it is characterized in that, described condensing unit is provided with multiple radiating fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520043523.4U CN204441416U (en) | 2015-01-21 | 2015-01-21 | A kind of battery radiator based on vapor chamber heat dissipation technology |
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| CN201520043523.4U CN204441416U (en) | 2015-01-21 | 2015-01-21 | A kind of battery radiator based on vapor chamber heat dissipation technology |
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| CN204441416U true CN204441416U (en) | 2015-07-01 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106784491A (en) * | 2017-01-23 | 2017-05-31 | 湖北汽车工业学院 | A kind of battery of electric vehicle box structure of anticollision buffering |
| CN109378543A (en) * | 2018-09-07 | 2019-02-22 | 邢台职业技术学院 | High-temperature uniformity porous material cooling system for electric automobile power battery |
| CN111354995A (en) * | 2018-12-20 | 2020-06-30 | 比亚迪股份有限公司 | Battery thermal management system for vehicle and vehicle |
-
2015
- 2015-01-21 CN CN201520043523.4U patent/CN204441416U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106784491A (en) * | 2017-01-23 | 2017-05-31 | 湖北汽车工业学院 | A kind of battery of electric vehicle box structure of anticollision buffering |
| CN109378543A (en) * | 2018-09-07 | 2019-02-22 | 邢台职业技术学院 | High-temperature uniformity porous material cooling system for electric automobile power battery |
| CN111354995A (en) * | 2018-12-20 | 2020-06-30 | 比亚迪股份有限公司 | Battery thermal management system for vehicle and vehicle |
| CN111354995B (en) * | 2018-12-20 | 2022-03-18 | 比亚迪股份有限公司 | Battery thermal management system for vehicle and vehicle |
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