CN110779365A - An inflatable aluminum vapor chamber with diverse heat source distribution - Google Patents
An inflatable aluminum vapor chamber with diverse heat source distribution Download PDFInfo
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- 238000009826 distribution Methods 0.000 title claims abstract description 26
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 238000009792 diffusion process Methods 0.000 claims description 18
- 238000010992 reflux Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 description 14
- 230000017525 heat dissipation Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/025—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes having non-capillary condensate return means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/42—Fillings or auxiliary members in containers or encapsulations selected or arranged to facilitate heating or cooling
- H01L23/427—Cooling by change of state, e.g. use of heat pipes
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Abstract
Description
技术领域technical field
本发明涉及电子散热器领域技术领域,特别是指一种热源分布多样的吹胀式铝均温板。The invention relates to the technical field of the field of electronic heat sinks, in particular to an inflatable aluminum temperature equalizing plate with various heat source distributions.
背景技术Background technique
随着各种通讯及电子产品性能的提升,导致芯片功率越来越大,热流密度也越来越高,需要的散热面积就更大,但同时又受空间与重量限制,散热器散热面积也被限制在指定范围内,为了解决散热难题只能提升散热器本身的导热能力。With the improvement of the performance of various communication and electronic products, the power of the chip is getting higher and higher, the heat flow density is also higher and higher, and the required heat dissipation area is larger, but at the same time, it is limited by space and weight, and the heat dissipation area of the radiator is also Limited to the specified range, in order to solve the problem of heat dissipation, only the thermal conductivity of the heat sink itself can be improved.
吹胀式均温板包括有壳体,壳体内抽真空且注有工质,壳体内还设置有由吹胀得到的通道,工质在通道内蒸发和冷凝。热源与吹胀式均温板接触,进而实现对热源进行散热。The inflatable temperature equalizing plate includes a shell, the shell is evacuated and filled with working medium, and a channel obtained by inflation is also arranged in the shell, and the working medium is evaporated and condensed in the channel. The heat source is in contact with the inflatable vapor chamber to dissipate heat from the heat source.
吹胀式均温板结构简单,可以实现二维传导,但是吹胀式均温板没有毛细结构,冷凝后的工质只能在重力作用下重新回到壳体底部。因此,大功率的热源必须在最下面,小功率的热源放在上面,热源的分布受吹胀式均温板结构限制。The inflatable vapor chamber has a simple structure and can realize two-dimensional conduction, but the inflatable vapor chamber has no capillary structure, and the condensed working medium can only return to the bottom of the shell under the action of gravity. Therefore, the high-power heat source must be at the bottom, and the low-power heat source is placed on the top, and the distribution of the heat source is limited by the structure of the inflatable vapor chamber.
然而现实场景中,很多热源不可能完全设计在最下面。因此,吹胀式均温板内部的工质必须充注占整个通道体积的60%以上。然而,工质的量增加以后会导致整个吹胀式均温板温度不均匀,散热能力下降,上面的热源得不到很好冷却,长时间高温工作,进而导致芯片烧坏或高温报警并停机。However, in real scenarios, many heat sources cannot be completely designed at the bottom. Therefore, the working medium inside the inflatable vapor chamber must be filled with more than 60% of the volume of the entire channel. However, after the amount of working fluid increases, the temperature of the entire inflatable vapor chamber will be uneven, the heat dissipation capacity will decrease, the heat source above will not be well cooled, and it will work at high temperature for a long time, which will lead to chip burnout or high temperature alarm and shutdown. .
发明内容SUMMARY OF THE INVENTION
本发明要解决的技术问题是根据上述现有技术的不足,提出一种热源分布多样的吹胀式铝均温板,解决了解决多个相同功率热源不能均匀分布散热问题。The technical problem to be solved by the present invention is to propose an inflatable aluminum temperature equalizing plate with diverse heat source distribution based on the above-mentioned deficiencies of the prior art, which solves the problem that multiple heat sources of the same power cannot be uniformly distributed and dissipated.
本发明的技术方案是这样实现的:The technical scheme of the present invention is realized as follows:
一种热源分布多样的吹胀式铝均温板,包括有壳体;所述壳体内设置有至少两个独立分布的密封腔,所述密封腔内抽真空且注有工质,所述密封腔内设置有多个通道。An inflatable aluminum temperature equalizing plate with various heat source distributions, comprising a casing; at least two independently distributed sealing chambers are arranged in the casing, the sealing chambers are evacuated and filled with working medium, and the sealing chambers are evacuated and filled with working fluid. A plurality of channels are provided in the cavity.
进一步的技术方案中,所述密封腔之间的间距相同或不相同。In a further technical solution, the distances between the sealed cavities are the same or different.
进一步的技术方案中,所述密封腔内的容积相同或不相同。In a further technical solution, the volumes in the sealed cavity are the same or different.
进一步的技术方案中,所述密封腔内的工质体积相同或不相同。In a further technical solution, the volume of the working fluid in the sealed cavity is the same or different.
进一步的技术方案中,至少两个所述密封腔上下分布,所述壳体一侧为热源端。In a further technical solution, at least two of the sealed cavities are distributed up and down, and one side of the casing is the heat source end.
进一步的技术方案中,所述通道包括有引流通道,所述引流通道倾斜设置,倾斜方向为从高往低向所述热源端倾斜;冷凝后的工质沿所述引流通道流向所述热源端;蒸发后的工质沿所述引流通道远离所述热源端。In a further technical solution, the channel includes a drainage channel, the drainage channel is inclined, and the inclination direction is inclined from high to low to the heat source end; the condensed working medium flows along the drainage channel to the heat source end. ; The evaporated working medium is away from the heat source end along the drainage channel.
进一步的技术方案中,所述通道包括有回流通道,所述回流通道设置于所述密封腔内靠近所述热源端一侧,所述回流通道连通多个所述引流通道的下端口;冷凝后的工质从多个所述引流通道的下端口流出,并进入所述回流通道汇集回流。In a further technical solution, the channel includes a backflow channel, the backflow channel is arranged on the side of the sealed cavity close to the heat source end, and the backflow channel is connected to the lower ports of the plurality of drainage channels; The working medium flows out from the lower ports of the plurality of drainage channels, and enters the reflux channel for collection and reflux.
进一步的技术方案中,所述通道包括有扩散通道,所述扩散通道设置于所述密封腔内远离所述热源端一侧,所述扩散通道连通多个所述引流通道的上端口;蒸发后的工质从多个所述引流通道的上端口扩散出来,并进入所述扩散通道汇集扩散。In a further technical solution, the channel includes a diffusion channel, the diffusion channel is arranged on the side of the sealed cavity away from the heat source end, and the diffusion channel is connected to the upper ports of the plurality of drainage channels; The working medium diffuses out from the upper ports of the plurality of drainage channels, and enters the diffusion channels to collect and diffuse.
进一步的技术方案中,所述引流通道至少连通有一分流通道,上方的引流通道通过所述分流通道与下方的引流通道连通;冷凝后的工质沿所述分流通道流入下方的引流通道内;蒸发后的工质沿所述分流通道扩散到上方的引流通道内。In a further technical solution, the drainage channel is connected with at least one shunt channel, and the upper drainage channel is communicated with the lower drainage channel through the shunt channel; the condensed working medium flows into the lower drainage channel along the shunt channel; evaporation The latter working medium diffuses into the upper drainage channel along the shunt channel.
进一步的技术方案中,上下相邻的分流通道相互错位分布。In a further technical solution, the upper and lower adjacent shunt channels are mutually dislocated and distributed.
采用上述技术方案,本发明的有益效果在于:Adopting the above-mentioned technical scheme, the beneficial effects of the present invention are:
(1)通过设置多个独立的密封腔,使工质在壳体内分布更加均匀,进而减少了对热源的分布限制,热源分布方式更加多样,比如多个相同功率的热源均匀分布,或者多个不同功率的热源按需分布。(1) By setting up multiple independent sealed cavities, the distribution of the working fluid in the shell is more uniform, thereby reducing the distribution restrictions on the heat source, and the heat source distribution methods are more diverse, such as multiple heat sources of the same power evenly distributed, or multiple heat sources. Heat sources of different power are distributed on demand.
(2)可以根据热源的位置要求,设定密封腔之间的间距相同或不相同,间距距离也可以适应设定,实现多种热源分布方式。(2) According to the location requirements of the heat source, the spacing between the sealed cavities can be set to be the same or different, and the spacing distance can also be set to achieve a variety of heat source distribution methods.
(3)可以根据热源与壳体的接触面积要求,设定密封腔的容积相同或不相同,容积也可以适应设定,实现多种热源分布方式。(3) According to the contact area requirements between the heat source and the shell, the volume of the sealed cavity can be set to be the same or different, and the volume can also be adapted to achieve a variety of heat source distribution methods.
(4)可以根据热源的功率要求,设定密封腔内的工质体积相同或不相同,适应调整工质体积,实现多种热源分布方式。(4) According to the power requirements of the heat source, the volume of the working fluid in the sealed cavity can be set to be the same or different, and the volume of the working fluid can be adjusted to achieve a variety of heat source distribution methods.
(5)通过设置从高往低向热源端倾斜的引流通道,将冷凝后的工质以更短的路径导向热源端,将蒸发后的工质以更短的路径导离热源端,降低密封腔左右温差,提高散热性能;同时,也很好的给密封腔内靠近热源端一侧的上部补充冷凝后的工质,有利于带走上部热源的热量,有效降低上部热源的温度,进而降低密封腔上下温差,提高散热性能。(5) By setting a drainage channel inclined from high to low to the heat source end, the condensed working medium is guided to the heat source end with a shorter path, and the evaporated working medium is led away from the heat source end with a shorter path to reduce the sealing effect. The temperature difference between the left and right of the cavity improves the heat dissipation performance; at the same time, it is also very good to supplement the condensed working fluid to the upper part of the sealed cavity near the heat source end, which is beneficial to take away the heat of the upper heat source and effectively reduce the temperature of the upper heat source, thereby reducing the The temperature difference between the top and bottom of the sealed cavity improves the heat dissipation performance.
(6)回流通道能够集中冷流后的工质,扩散通道能够集中蒸发后的工质,有效地将汽液分离,使工质实现快速冷凝和蒸发,提高散热性能。(6) The reflux channel can concentrate the working fluid after cold flow, and the diffusion channel can concentrate the working fluid after evaporation, effectively separating the vapor and liquid, so that the working fluid can be rapidly condensed and evaporated, and the heat dissipation performance is improved.
(7)分流通道能够提供充分的空间,使蒸发后的工质均匀向上扩散,进而降低密封腔内的温差,提高散热性能。(7) The shunt channel can provide sufficient space to make the evaporated working fluid diffuse upwards evenly, thereby reducing the temperature difference in the sealed cavity and improving the heat dissipation performance.
(8)上下相邻的分流通道相互错位分布,能够使冷流后的工质始终在一个或多个引流通道内流动,并最终导向热源端,避免冷流后的工质在重力作用下沿通道直下回流到密封腔底部。(8) The dislocation distribution of the upper and lower adjacent shunt channels can make the working fluid after cold flow always flow in one or more drainage channels, and finally lead to the heat source end, so as to avoid the working fluid after cold flow along the edge of gravity under the action of gravity. The channel flows straight down to the bottom of the seal chamber.
附图说明Description of drawings
为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动性的前提下,还可以根据这些附图获得其他的附图。In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.
图1为第一实施例的结构示意图。FIG. 1 is a schematic structural diagram of the first embodiment.
图2为图1上M处的放大图。FIG. 2 is an enlarged view of M in FIG. 1 .
图3为第二实施例的结构示意图。FIG. 3 is a schematic structural diagram of the second embodiment.
图4为第三实施例的结构示意图。FIG. 4 is a schematic structural diagram of a third embodiment.
图1和图2中,实线箭头方向为冷凝后的工质运动方向,虚线箭头方向为蒸发后的工质运动方向。In FIGS. 1 and 2 , the direction of the solid line arrow is the direction of movement of the working medium after condensation, and the direction of the dashed line arrow is the direction of movement of the working medium after evaporation.
图中,10-壳体,11-热源端,12-工质,13-通道,14-密封腔,21-第一热源,22-第二热源,23-第三热源,24-第四热源,31-引流通道,32-回流通道,33-扩散通道,34-分流通道。In the figure, 10-shell, 11-heat source end, 12-working medium, 13-channel, 14-sealed cavity, 21-first heat source, 22-second heat source, 23-third heat source, 24-fourth heat source , 31 - drainage channel, 32 - return channel, 33 - diffusion channel, 34 - shunt channel.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
如图1,在本发明提供的第一实施例,一种热源分布多样的吹胀式铝均温板,包括有壳体10;壳体10内设置有两个独立分布的密封腔14。两个密封腔14上下分布,壳体10一侧为热源端11。密封腔14内抽真空且注有工质12,密封腔14内设置有多个通道13。As shown in FIG. 1 , in the first embodiment provided by the present invention, an inflatable aluminum vapor chamber with various heat sources includes a
第一实施例中,密封腔14内的容积相同,密封腔14内的工质12体积相同,密封腔14之间的间距根据热源的位置设定。In the first embodiment, the volume of the sealed
应用时:第一热源21、第二热源22、第三热源23、第四热源24均匀上下分布于热源端11,且四个热源的功率相同,实现了热源均布的分布方式。In application: the
通道13包括有引流通道31,引流通道31倾斜设置,倾斜方向为从高往低向热源端11倾斜;冷凝后的工质12沿引流通道31流向热源端11;蒸发后的工质12沿引流通道31远离热源端11。The
如图2所示,所述通道13包括有回流通道32,回流通道32设置于密封腔14内靠近热源端11一侧,回流通道32连通多个引流通道31的下端口;冷凝后的工质12从多个引流通道31的下端口流出,并进入回流通道32汇集回流。第一实施例中,回流通道32垂直于工质12水平面设置。需要说明的是,部分蒸发后的工质12也可以回流通道32内扩散。As shown in FIG. 2 , the
所述通道13包括有扩散通道33,扩散通道33设置于密封腔14内远离热源端11一侧,扩散通道33连通多个引流通道31的上端口;蒸发后的工质12从多个引流通道31的上端口扩散出来,并进入扩散通道33汇集扩散。第一实施例中,扩散通道33垂直于工质12水平面设置。需要说明的是,部分冷凝后的工质12也可以扩散通道33内向下流动。The
引流通道31至少连通有一分流通道34,上方的引流通道31通过分流通道34与下方的引流通道31连通;冷凝后的工质12沿分流通道34流入下方的引流通道31内;蒸发后的工质12沿分流通道34扩散到上方的引流通道31内。上下相邻的分流通道34相互错位分布。The
如图3所示,在本发明提供的第二实施例,一种热源分布多样的吹胀式铝均温板。与第一实施例的不同点在于:第二实施例中密封腔14有三个,热源端11可以设置六个等功率的热源。As shown in FIG. 3 , in the second embodiment provided by the present invention, an inflatable aluminum vapor chamber with various heat sources is distributed. The difference from the first embodiment is that in the second embodiment, there are three sealed
如图4所示,在本发明提供的第三实施例,一种热源分布多样的吹胀式铝均温板。与第一实施例的不同点在于:第三实施例中引流通道31、回流通道32、扩散通道33、分流通道34的宽度不同、数量不同。As shown in FIG. 4 , in the third embodiment provided by the present invention, an inflatable aluminum vapor chamber with various heat sources is distributed. The difference from the first embodiment is that in the third embodiment, the width and quantity of the
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the present invention. within the scope of protection.
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CN111542202A (en) * | 2020-04-21 | 2020-08-14 | 华南理工大学 | Inflation type soaking plate and manufacturing method thereof |
CN113865393A (en) * | 2021-09-22 | 2021-12-31 | 上海精智实业股份有限公司 | Radiator for communication setting |
CN113993354A (en) * | 2021-11-05 | 2022-01-28 | 深圳市英维克科技股份有限公司 | Radiating fin and thermosiphon radiator |
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CN109945704A (en) * | 2019-04-24 | 2019-06-28 | 常州恒创热管理有限公司 | Multi-section plate heat pipe and radiator |
CN211178084U (en) * | 2019-12-04 | 2020-08-04 | 东莞市万维热传导技术有限公司 | Various roll-bond aluminium temperature-uniforming plate of heat source distribution |
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CN109945704A (en) * | 2019-04-24 | 2019-06-28 | 常州恒创热管理有限公司 | Multi-section plate heat pipe and radiator |
CN211178084U (en) * | 2019-12-04 | 2020-08-04 | 东莞市万维热传导技术有限公司 | Various roll-bond aluminium temperature-uniforming plate of heat source distribution |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111542202A (en) * | 2020-04-21 | 2020-08-14 | 华南理工大学 | Inflation type soaking plate and manufacturing method thereof |
CN111542202B (en) * | 2020-04-21 | 2021-05-14 | 华南理工大学 | Inflation type soaking plate and manufacturing method thereof |
CN113865393A (en) * | 2021-09-22 | 2021-12-31 | 上海精智实业股份有限公司 | Radiator for communication setting |
CN113865393B (en) * | 2021-09-22 | 2023-02-03 | 上海精智实业股份有限公司 | Radiator for communication setting |
WO2023045429A1 (en) * | 2021-09-22 | 2023-03-30 | 上海精智实业股份有限公司 | Heat dissipation device |
CN113993354A (en) * | 2021-11-05 | 2022-01-28 | 深圳市英维克科技股份有限公司 | Radiating fin and thermosiphon radiator |
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