CN204011602U - A kind of phase-change heat radiating device for flat battery - Google Patents
A kind of phase-change heat radiating device for flat battery Download PDFInfo
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- CN204011602U CN204011602U CN201420429344.XU CN201420429344U CN204011602U CN 204011602 U CN204011602 U CN 204011602U CN 201420429344 U CN201420429344 U CN 201420429344U CN 204011602 U CN204011602 U CN 204011602U
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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 phase-change heat radiating device for flat battery, relate to new-energy automobile power battery technical field.Described phase-change heat radiating device comprises: the phase-change type multi-cavity heat pipe assembly (1) for transferring heat that is placed in each flat battery both sides; The cooling device being fixedly connected with the cooling section of multiple described phase-change type multi-cavity heat pipe assemblies (1).The utility model can, by a kind of phase-change type multi-cavity heat pipe is provided, utilize its thermal resistance value in heat conductive process to compare the characteristic that common aluminium radiator is low, saves material, weight reduction.By the equal temperature characteristics of phase-change type multi-cavity heat pipe, can prevent that flat battery local temperature is too high, and can heat rapidly flat battery, recover charge-discharge performance.In addition, the multi-cavity structure of phase-change type multi-cavity heat pipe can also be alleviated impact, improves the reliability of battery case.
Description
Technical field
The utility model relates to new-energy automobile power battery technical field, particularly a kind of phase-change heat or temperature regulating device of new-energy automobile flat electrokinetic cell.
Background technology
At present, conventional new-energy automobile power battery heat radiation is all generally air-cooled or water-cooled, clips one deck aluminium sheet between battery and battery, and heat is transmitted on fin by aluminium sheet, then is taken away by wind or water.Or, between battery, leave certain interval, by the fan direct cool batteries of drying.These two kinds of mode cooling effectivenesss are low, the poor temperature uniformity of battery.By aluminium sheet heat-conducting mode, the conductive coefficient of aluminium is in 200W/mK left and right, and heat transference efficiency is low, and heat can not conduct out in time, and materials'use amount is many, and cooling system entirety is heavier.If adopt the direct cool batteries of fan, gap is narrower, and windage is large, and cooling effect is bad, and automobile finite volume can not be too wide.How fast the heat of power brick being delivered to radiator, can saving space, have energy weight reduction, is the problem that these those skilled in the art should address.
Utility model content
The purpose of this utility model is to provide a kind of phase-change heat radiating device for flat battery, can solve flat battery heat radiating efficiency low, and take up room large, weight large, the problem of non-uniform temperature.
The utility model provides a kind of phase-change heat radiating device for flat battery, comprising:
Be placed in the phase-change type multi-cavity heat pipe assembly 1 for transferring heat of each flat battery both sides;
The cooling device being fixedly connected with the cooling section of multiple described phase-change type multi-cavity heat pipe assemblies 1.
Preferably, described cooling device is the liquid cooling plate being driven by pump, and the cooling fluid in it is water, or alcohols, or oil, or the mixture of its combination.
Preferably, described cooling device comprises that multiple fin 2 and one are with air inlet and air outlet, and one-sided uncovered venting box 3, the multiple described fin 2 of the interior installation of described venting box 3.
Preferably, the air inlet of described venting box 3 and air outlet are along the two ends that angular direction are arranged to described venting box 3.
Preferably, also comprise the fixed head 4 for fixing described venting box 3 at described fin 2 near heating section one side of described phase-change type multi-cavity heat pipe assembly 1.
Preferably, be provided with the flange of a circle for being fixedly connected with described fixed head 4 at the open-position-side of described venting box 3.
Preferably, multiple fin 2 that described in every group, phase-change type multi-cavity heat pipe assembly 1 runs through in described fixed head 4 and described venting box 3 successively, and utilize interference fit and described fixed head 4 to be fixedly linked, and utilize multiple fin 2 fixed bondings in heat-conducting glue and described venting box 3.
Preferably, the heating section of described phase-change type multi-cavity heat pipe assembly 1 is downward-sloping in the horizontal direction
wherein,
Preferably, comprise the described phase-change type multi-cavity heat pipe assembly 1 of many groups, organize between described phase-change type multi-cavity heat pipe assembly 1 more and there is the interval for each flat battery is installed.
Compared with prior art, the beneficial effects of the utility model are: can, by a kind of phase-change type multi-cavity heat pipe is provided, make flat battery temperature even, heat be exported to outside flat battery simultaneously, simplify construction for heat radiating device, improve reliability.In addition, the phase-change type multi-cavity heat pipe of cavity can also reach weight reduction, the effect of buffering collision of closed.
Brief description of the drawings
Fig. 1 is the three-dimensional explosive view of the battery case that provides of the utility model embodiment;
Fig. 2 is the perspective view of the phase-change heat radiating device that provides of the utility model embodiment;
Fig. 3 is the phase-change type multi-cavity heat pipe assembly of the phase-change heat radiating device that provides of the utility model embodiment and the combination figure of fixed head;
Fig. 4 is the phase-change type multi-cavity heat pipe figure of the phase-change heat radiating device that provides of the utility model embodiment;
Fig. 5 is the fin figure of the phase-change heat radiating device that provides of the utility model embodiment;
Fig. 6 is the heat radiation cramp schematic diagram of the phase-change heat radiating device that provides of the utility model embodiment;
Fig. 7 is the heat radiation tabs schematic diagram of the phase-change heat radiating device that provides of the utility model embodiment;
Fig. 8 is the venting box figure of the phase-change heat radiating device that provides of the utility model embodiment;
Fig. 9 is the liquid cooling schematic diagram of the phase-change heat radiating device that provides of the utility model embodiment;
Figure 10 is the heater schematic diagram of the phase-change heat radiating device that provides of the utility model embodiment;
Figure 11 is the heater explosive view of the phase-change heat radiating device that provides of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is elaborated, should be appreciated that following illustrated preferred embodiment is only for description and interpretation the utility model, and be not used in restriction the utility model.
(the utility model by adopting phase-change type multi-cavity heat pipe, there is the soaking plate of phase-change heat transfer characteristic), be close to flat battery surface, when flat battery-heating, the working medium of phase-change type multi-cavity heat pipe inside can be vaporized rapidly and be taken away heat, be aided with again air-cooled or liquid cooling, the other end of cooling multi-cavity heat pipe.
Phase-change type multi-cavity heat pipe adopts phase-change heat transfer principle, relies on the phase transition process of liquid at the airtight cavity region of phase-change type multi-cavity heat pipe transferring heat efficiently, makes heat transfer property improve 10-20 doubly.Meanwhile, phase-change type multi-cavity heat pipe, as the heat-transfer device of flat battery pack, has advantages of that temperature is even, lightweight, heat conduction is good, reliability is high.Be aided with again heating and air-cooled or liquid cooling, just can greatly improve the temperature homogeneity of flat battery, and the temperature of battery can be controlled in suitable scope.Wherein, the cooling section of phase-change type multi-cavity heat pipe can have the multiple type of cooling, comprising: natural air cooled, air blast cooling, liquid cooling are cooling or to be filled with the liquid cooling plate of cooling liquid cooling.
Fig. 1 is the three-dimensional explosive view of the battery case that provides of the utility model embodiment, and as shown in Figure 1, whole battery case is made up of battery box cover 11, multiple flat battery and phase-change heat radiating device.Multiple flat batteries are placed in the interval between multiple phase-change type multi-cavity heat pipe assemblies 1 of phase-change heat radiating device, and formation is spaced.Phase-change type multi-cavity heat pipe assembly 1 can be made up of one or more phase-change type multi-cavity heat pipes, and heating section is downward-sloping in the horizontal direction
wherein,
multiple fin 2 are fixedly connected with the cooling section of each phase-change type multi-cavity heat pipe assembly 1 respectively.Also comprise the fixed head 4 for fixing described cooling device at radiating subassembly near heating section one side of phase-change type multi-cavity heat pipe assembly 1.Every group of multiple fin 2 that phase-change type multi-cavity heat pipe assembly 1 runs through in fixed head 4 and venting box 3 successively, and utilize interference fit and fixed head 4 to be fixedly linked, and utilize multiple fin 2 fixed bondings in heat-conducting glue and venting box 3.Wherein, multiple fin 2 are placed in venting box 3, and fixed head 4 plays the effect of fixing venting box 3, and venting box and phase-change type multi-cavity heat pipe assembly 1 are fixedly linked.Except this mode of heat of utilizing on fan cooled fin 2, can also rely on the liquid cooling plate being driven by pump, the cooling fluid in it is water, alcohols, or oil, or the mixture of above 3 kinds of materials, utilizes the cooling section of the liquid cools phase-change type multi-cavity heat pipe assembly 1 being filled with in it.
Based on the convenience demand of practical application, whole phase-change heat radiating device can also be carried out to 90 ° of upsets, make flat battery wherein horizontal, the electrode of flat battery is in a side, simultaneously phase-change type multi-cavity heat pipe vertically or with vertical direction at an angle, its colling end is in the above.
Fig. 2 is the phase-change heat radiating device perspective view that the utility model embodiment provides, and as shown in Figure 2, for many group phase-change type multi-cavity heat pipe assemblies 1, organizes between phase-change type multi-cavity heat pipe assembly 1 more and has the interval for each flat battery is installed.Every group of radiating subassembly that phase-change type multi-cavity heat pipe assembly 1 runs through in fixed head 4 and venting box 3 successively, and utilize heat-conducting glue successively with fixed head 4 and venting box 3 in radiating subassembly be fixedly linked.Wherein, radiating subassembly is made up of four fin 2, and therefore, the cooling section of every group of phase-change type multi-cavity heat pipe assembly 1 is fixedly linked with four fin 2 successively.
Fig. 3 is the phase-change type multi-cavity heat pipe assembly of the phase-change heat radiating device that provides of the utility model embodiment and the combination figure of fixed head, and as shown in Figure 3, phase-change type multi-cavity heat pipe assembly 1 is angled with level, and is connected with fixed head 4.Wherein, in order to strengthen the capacity of heat transmission of phase-change type multi-cavity heat pipe, conventionally phase-change type multi-cavity heat pipe is arranged to certain angle, make heating section lower than cooling section., the heating section of phase-change type multi-cavity heat pipe assembly 1 is downward-sloping in the horizontal direction
wherein,
this connected mode can make full use of gravity, make the working solution in phase-change type multi-cavity heat pipe assembly under Action of Gravity Field, flow back to bottom, when flat battery produces heat, temperature raises, after working solution is heated, the steam that is conducive to vaporization generation is directly diffused into cooling section (, low-temperature space), make liquid under the booster action of gravity, be back to better heating section simultaneously, realize the transmission of heat.
Fig. 4 is the phase-change type multi-cavity heat pipe figure of the phase-change heat radiating device that provides of the utility model embodiment, as shown in Figure 4 wherein, phase-change type multi-cavity heat pipe utilizes Transformation Principle, with and at least contain the hollow closed cavity of a high-efficiency heat conduction, in it, be filled with hydraulic fluid, when arbitrary position of phase-change type multi-cavity heat pipe is heated, liquid becomes gas in this position evaporation, absorb heat, gas is condensed into liquid in colder position and emits heat simultaneously simultaneously.Condensed liquid under the effect of gravity or capillary force, flow back to that evaporation bit is put and again evaporation form circulation.Thereby realize acceleration transmission and the samming of flat battery surface heat.
Fig. 5 is the fin figure of the phase-change heat radiating device that provides of the utility model embodiment, as shown in Figure 5, a radiating subassembly of multiple fin composition, this radiating subassembly is connected with the cooling section of phase-change type multi-cavity heat pipe assembly.And the heat that phase-change type multi-cavity heat pipe is collected is delivered in extraneous air.Wherein, phase-change type multi-cavity heat pipe assembly and fin also can be fixed as one.Fig. 6 is the heat radiation cramp schematic diagram of the phase-change heat radiating device that provides of the utility model embodiment, and Fig. 7 is the heat radiation tabs schematic diagram of the phase-change heat radiating device that provides of the utility model embodiment.As shown in Figure 6, Figure 7, be heat radiation cramp for replacing fin 25 and heat radiation tabs 6, and heat radiation cramp 5 and heat radiation tabs 6 respectively with the installation relation of phase-change type multi-cavity heat pipe assembly.
Fig. 8 is the venting box figure of the phase-change heat radiating device that provides of the utility model embodiment, as shown in Figure 6, venting box is with an air inlet and an air outlet, and air inlet and air outlet are along the two ends that angular direction are arranged to venting box, and venting box is one-sided uncovered, in it, be used for installing multiple radiating subassemblies.In addition, be also provided with the flange of a circle for being fixedly connected with fixed head at the open-position-side of venting box.When flat battery produces after heat, temperature raises, working solution in phase-change type multi-cavity heat pipe assembly is heated, steam is produced in vaporization, be diffused into cooling section, heat is delivered on the radiating subassembly being made up of fin, and the cold wind of certain flow flows to air outlet by the air inlet of venting box, heat is delivered in outside air in the mode of forced convertion, thereby reaches the effect of cooling heat dissipation assembly.
Fig. 9 is the liquid cooling schematic diagram of the phase-change heat radiating device that provides of the utility model embodiment, as shown in Figure 9, is the phase-change heat radiating device for liquid cooling, be the cavity liquid cooling plate 7 being driven by pump, the cooling fluid in it is water, alcohols, or oil, or the mixture of above 3 kinds of materials.Wherein, every group of phase-change type multi-cavity heat pipe assembly 1 runs through fixed head 4 and cavity liquid cooling plate 7 successively, and utilizes interference fit and fixed head 4 to be fixedly linked, and utilizes heat-conducting glue and cavity liquid cooling plate 7 fixed bondings.
Figure 10 is the heater schematic diagram of the phase-change heat radiating device that provides of the utility model embodiment, Figure 11 is the heater explosive view of the phase-change heat radiating device that provides of the utility model embodiment, as shown in Figure 10, Figure 11, the too low temperature in some cold district can make battery capacity reduce, therefore, the battery case using also needs heater, so that battery temperature is controlled in suitable scope.; increase and arrange a heater in the extreme lower position of phase-change type multi-cavity heat pipe; heater can be heating plate 8; utilize the capacity of heat transmission of phase-change type multi-cavity heat pipe excellence that heat is delivered on battery; realize the heating to battery; make battery temperature remain on certain scope, reach the effect of temperature control.
In sum, the utlity model has following technique effect: can be by a kind of phase-change type multi-cavity heat pipe is provided, utilize its thermal resistance value in heat conductive process to compare the characteristic that common aluminium radiator is low, save material, weight reduction, by the equal temperature characteristics of phase-change type multi-cavity heat pipe, can prevent that flat battery local temperature is too high, and can heat rapidly flat battery, recover charge-discharge performance.In addition, the multi-cavity structure of phase-change type multi-cavity heat pipe can also be alleviated impact, improves the reliability of battery case.
Although above the utility model is had been described in detail, the utility model is not limited to this, and those skilled in the art of the present technique can carry out various amendments according to principle of the present utility model.Therefore, all amendments of doing according to the utility model principle, all should be understood to fall into protection range of the present utility model.
Claims (9)
1. for a phase-change heat radiating device for flat battery, it is characterized in that, comprising:
Be placed in the phase-change type multi-cavity heat pipe assembly (1) for transferring heat of each flat battery both sides;
The cooling device being fixedly connected with the cooling section of multiple described phase-change type multi-cavity heat pipe assemblies (1).
2. phase-change heat radiating device according to claim 1, is characterized in that, described cooling device is the liquid cooling plate being driven by pump, and the cooling fluid in it is water, or alcohols, or oil, or the mixture of its combination.
3. phase-change heat radiating device according to claim 1, it is characterized in that, described cooling device comprises that multiple fin (2) and one are with air inlet and air outlet, and one-sided uncovered venting box (3), installs multiple described fin (2) in described venting box (3).
4. phase-change heat radiating device according to claim 3, is characterized in that, the air inlet of described venting box (3) and air outlet are along the two ends that angular direction are arranged to described venting box (3).
5. phase-change heat radiating device according to claim 3, it is characterized in that, also comprise the fixed head (4) for fixing described venting box (3) at described fin (2) near heating section one side of described phase-change type multi-cavity heat pipe assembly (1).
6. phase-change heat radiating device according to claim 5, is characterized in that, is provided with the flange of a circle for being fixedly connected with described fixed head (4) at the open-position-side of described venting box (3).
7. according to the arbitrary described phase-change heat radiating device of claim 3-6, it is characterized in that, described in every group, phase-change type multi-cavity heat pipe assembly (1) runs through the multiple fin (2) in described fixed head (4) and described venting box (3) successively, and utilize interference fit and described fixed head (4) to be fixedly linked, and utilize multiple fin (2) fixed bonding in heat-conducting glue and described venting box (3).
8. phase-change heat radiating device according to claim 1, is characterized in that, the heating section of described phase-change type multi-cavity heat pipe assembly (1) is downward-sloping in the horizontal direction
wherein,
9. phase-change heat radiating device according to claim 1, it is characterized in that, comprise the described phase-change type multi-cavity heat pipe assembly of many groups (1), organize between described phase-change type multi-cavity heat pipe assembly (1) more and there is the interval for each flat battery is installed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420429344.XU CN204011602U (en) | 2014-07-31 | 2014-07-31 | A kind of phase-change heat radiating device for flat battery |
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| CN201420429344.XU CN204011602U (en) | 2014-07-31 | 2014-07-31 | A kind of phase-change heat radiating device for flat battery |
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| CN204011602U true CN204011602U (en) | 2014-12-10 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106329023A (en) * | 2016-09-18 | 2017-01-11 | 广东工业大学 | Battery module |
| CN106571499A (en) * | 2015-10-08 | 2017-04-19 | 赵耀华 | Thermal management system and method of cuboid battery pack |
| CN106684500A (en) * | 2017-01-17 | 2017-05-17 | 北京新能源汽车股份有限公司 | Heat management system for battery module and electric vehicle |
| CN106785236A (en) * | 2015-11-23 | 2017-05-31 | 赵耀华 | The heat management system and method for cylindrical cell group |
| CN108123080A (en) * | 2017-12-19 | 2018-06-05 | 闵卫 | It is a kind of to be used for daily emergent multifunctional lithium battery case |
| CN108292788A (en) * | 2015-12-02 | 2018-07-17 | 株式会社自动网络技术研究所 | Power storage module |
| CN108631024A (en) * | 2018-04-28 | 2018-10-09 | 北京新能源汽车股份有限公司 | A kind of heat management battery system, thermal management algorithm and the battery control device of automobile |
| CN110380157A (en) * | 2019-08-21 | 2019-10-25 | 湘潭大学 | A kind of battery thermal management system coupled based on liquid cooling and phase-change thermal storage |
| 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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| CN106571499B (en) * | 2015-10-08 | 2023-05-12 | 赵耀华 | Thermal management system and method for cuboid battery pack |
| CN106571499A (en) * | 2015-10-08 | 2017-04-19 | 赵耀华 | Thermal management system and method of cuboid battery pack |
| CN106785236A (en) * | 2015-11-23 | 2017-05-31 | 赵耀华 | The heat management system and method for cylindrical cell group |
| CN106785236B (en) * | 2015-11-23 | 2023-05-12 | 赵耀华 | Thermal management system and method for cylindrical battery pack |
| CN108292788A (en) * | 2015-12-02 | 2018-07-17 | 株式会社自动网络技术研究所 | Power storage module |
| CN106329023A (en) * | 2016-09-18 | 2017-01-11 | 广东工业大学 | Battery module |
| CN106684500A (en) * | 2017-01-17 | 2017-05-17 | 北京新能源汽车股份有限公司 | Heat management system for battery module and electric vehicle |
| CN108123080A (en) * | 2017-12-19 | 2018-06-05 | 闵卫 | It is a kind of to be used for daily emergent multifunctional lithium battery case |
| CN108123080B (en) * | 2017-12-19 | 2021-11-19 | 义乌市旻具五金工具有限公司 | A multi-functional lithium cell case for daily emergent |
| CN108631024A (en) * | 2018-04-28 | 2018-10-09 | 北京新能源汽车股份有限公司 | A kind of heat management battery system, thermal management algorithm and the battery control device of automobile |
| CN110380157A (en) * | 2019-08-21 | 2019-10-25 | 湘潭大学 | A kind of battery thermal management system coupled based on liquid cooling and phase-change thermal storage |
| 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 |
| CN117254167B (en) * | 2023-11-15 | 2024-02-20 | 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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