CN205480884U - Three -dimensional soaking board - Google Patents

Three -dimensional soaking board Download PDF

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Publication number
CN205480884U
CN205480884U CN201620248296.3U CN201620248296U CN205480884U CN 205480884 U CN205480884 U CN 205480884U CN 201620248296 U CN201620248296 U CN 201620248296U CN 205480884 U CN205480884 U CN 205480884U
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China
Prior art keywords
soaking plate
chamber
heat
heat pipe
dimensional
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CN201620248296.3U
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Chinese (zh)
Inventor
陈平
白鹏飞
高明智
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Guangzhou Huazuan Electronic Technology Co ltd
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Guangzhou Huazuan Electronic Technology Co ltd
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Abstract

The utility model discloses a three -dimensional soaking board, heat pipe by the body of the soaking edition of books as the condensation end and conduct heating end is constituteed, the soaking edition of books body has the bottom surface interface of platykurtic inner chamber and intercommunication platykurtic inner chamber, all be equipped with capillary structure layer on the platykurtic inner chamber chamber wall of the soaking edition of books body and on the tube cavity inner wall of heat pipe, the upper end mouth of pipe welded connection of heat pipe is on the bottom surface interface of the soaking edition of books body, the platykurtic inner chamber intercommunication that the lumen of messenger's heat pipe was personally experienced sth. Part of the body through bottom surface interface and soaking edition of books becomes an airtight space, and airtight space evacuation vacuum production cavity, fill in the vacuum chamber into there being the liquid state to lead hot working medium, this liquid state is led hot working medium and can and be liquefied again after exothermic in heat absorption back evaporation. The utility model has the advantages of required space is little, heat radiating area is big, heat transfer efficiency is high, the radiating rate is fast, high, the light in weight of heat dissipation power, the demand of the heat dissipation occasion that can satisfy high -power LED wick heat dissipation and other high powers, high thermal current density and have relatively high expectations to weight.

Description

A kind of three-dimensional soaking plate
Technical field
This utility model relates to a kind of three-dimensional soaking plate, can be applicable to the occasions such as great power LED wick heat radiation, belongs to heat dissipation technology Field.
Background technology
The lamp housing space that some LED lamp is placed is the narrowest and small, and its power is the biggest, and the heat of generation can not be drained in time, meeting Directly affect the service life of LED lamp.The heat abstractor of general LED is mainly made up of heat pipe and die cast metal part, LED Wick is equivalent to thermal source and is attached on heat pipe, and heat is delivered on die cast metal part by heat pipe, and fan directly blows die cast metal part, By the air of most calorie spread to surrounding, so circulation is dispelled the heat.But it is low, effective by die cast metal part heat transfer efficiency The restriction that area of dissipation is little, this radiating mode is only suitable for low power LED lamp, it is impossible to meet the need of great power LED wick Ask.Designing the soaking plate that a requisite space is little, heat transfer efficiency is high is the problem needing solution badly.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of three-dimensional soaking plate.
Solving above-mentioned technical problem, the technical scheme that this utility model is used is as follows:
A kind of three-dimensional soaking plate, it is characterised in that: described three-dimensional soaking plate is by the soaking plate body as condensation end with as being subject to The heat pipe composition in hot junction, described soaking plate body has flat inner chamber and connects the bottom surface interface of described flat inner chamber, described It is equipped with capillary structure layer, described heat pipe upper in the flat inner chamber cavity wall of soaking plate body and on the lumen wall of described heat pipe End the mouth of pipe be welded to connect on the bottom surface interface of described soaking plate body so that the tube chamber of described heat pipe by described bottom surface interface with The flat inner space of described soaking plate body becomes a confined space, and this confined space evacuation forms described three-dimensional The vacuum chamber of soaking plate, has been filled with liquid heat conductive working medium in described vacuum chamber, this liquid heat conductive working medium can be steamed after heat absorption Send out and again liquefy after heat release.
As a kind of improvement of the present utility model, described heat pipe is thin type heat pipe, and this thin type heat pipe is for by circular heat pipe compacting Become has left end plane tube wall and the heat pipe of right-hand member plane tube wall.
As a kind of improvement of the present utility model, described heat pipe is by large-diameter pipe section, path pipeline section and is connected to large-diameter pipe Duan Yu little Reducing pipeline section between the pipeline section of footpath is constituted, and the upper end mouth of pipe of described large-diameter pipe section is the upper end mouth of pipe of described heat pipe.
As a kind of preferred implementation of the present utility model, described soaking plate body is welded by soaking plate upper cover and soaking plate lower cover Connecing composition, be formed with described flat inner chamber between described soaking plate upper cover and soaking plate lower cover, described bottom surface interface is arranged on institute Stating on the bottom surface of soaking plate lower cover and be positioned at the center of described soaking plate lower cover, the end face of described soaking plate lower cover is provided with many The individual center vertical line equally distributed copper post around described soaking plate lower cover.
As a kind of improvement of the present utility model, all it is set with the collar with capillary structure outside each described copper post, this set Ring is by the ring body of copper powder sintering.
As a kind of preferred implementation of the present utility model, described capillary structure layer is copper powder sintering layer, or, described capillary Structure sheaf is by being positioned at the copper powder sintering layer of internal layer and being positioned at the composite bed that the monolayer copper mesh of outer layer forms.
As a kind of preferred implementation of the present utility model, described in be arranged on the capillary in soaking plate body flat inner chamber cavity wall Structure sheaf uses copper powder mesh number to be the copper powder sintering layer of 120~200 mesh, described in be arranged on the capillary structure layer on heating pipe cavity wall The copper powder sintering layer using copper powder mesh number to be 80~120 mesh.
As a kind of preferred implementation of the present utility model, described soaking plate body is circular or square.
As a kind of preferred implementation of the present utility model, described liquid heat conductive working medium is distilled water or ethanol.
Compared with prior art, this utility model has the advantages that
First, this utility model absorbs the heat that sends of thermal source as the liquid heat conductive working medium in the heat pipe of heating end with being contained in, The liquid phase vaporization phenomenon utilizing liquid heat conductive working medium transfers heat to realize heat radiation, due to heat as the soaking plate body of condensation end The installation footprint of pipe is little thus is easily accessible to the thermal source being placed in narrow space, and has the soaking plate of flat inner chamber Body then has bigger area of dissipation, and the heat transfer efficiency utilizing the liquid phase vaporization phenomenon of liquid heat conductive working medium to carry out dispelling the heat is high, Therefore, this utility model have that requisite space is little, area of dissipation is big, heat transfer efficiency is high, radiating rate is fast, heat radiation power is high, Lightweight advantage, it is possible to meet the heat radiation of great power LED wick and other high power, high heat flux and higher to weight demands The application demand of heat radiation occasion.
Second, this utility model uses thin type heat pipe, and uses the heat being made up of large-diameter pipe section, path pipeline section and reducing pipeline section Pipe, all can reduce the installing space needed for three-dimensional soaking plate further.
3rd, this utility model has the collar of capillary structure by setting, utilizes its siphon power can improve soaking plate further The heat-transfer capability of body.
Accompanying drawing explanation
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings:
Fig. 1 is one of perspective view of three-dimensional soaking plate of this utility model embodiment one;
Fig. 2 is the two of the perspective view of the three-dimensional soaking plate of this utility model embodiment one;
Fig. 3 be the three-dimensional soaking plate of this utility model embodiment one partly cut open structural representation;
Fig. 4 be this utility model embodiment one three-dimensional soaking plate in the structural blast figure of soaking plate body;
Fig. 5 be this utility model embodiment one three-dimensional soaking plate in the enlarged diagram of capillary structure layer;
Fig. 6 be this utility model embodiment two three-dimensional soaking plate in the enlarged diagram of capillary structure layer;
In figure, hollow arrow represents the flow direction of gaseous state heat-conducting work medium, and filled arrows represents the liquid heat conductive work after liquefaction again The flow direction of matter.
Detailed description of the invention
Embodiment one
As shown in Figures 1 to 5, the three-dimensional soaking plate of this utility model embodiment one, by as condensation end soaking plate body and Heat pipe 30 as heating end forms.
Above-mentioned soaking plate body is welded to form by soaking plate upper cover 10 and soaking plate lower cover 20, under soaking plate upper cover 10 and soaking plate Being formed with flat inner chamber A1 between lid 20, the end face of soaking plate lower cover 20 is provided with multiple in soaking plate lower cover 20 Heart vertical line equally distributed for support be provided with on the copper post 50 of flat inner chamber A1, bottom center position connection flat in The bottom surface interface 21 of chamber A1;Further, the flat inner chamber A1 cavity wall of soaking plate body is provided with capillary structure layer 40, each All being set with the collar 60 with capillary structure outside individual copper post 50, this collar 60 is by the ring body of copper powder sintering.
Above-mentioned heat pipe 30 is thin type heat pipe, this thin type heat pipe be by circular heat pipe compacting have left end plane tube wall 30a and The heat pipe of right-hand member plane tube wall 30b, this heat pipe 30 by large-diameter pipe section 31, path pipeline section 33 and be connected to large-diameter pipe section 31 with Reducing pipeline section 32 between path pipeline section 33 is constituted, and the upper end mouth of pipe of large-diameter pipe section 31 is the upper end mouth of pipe of heat pipe 30;And And, the tube chamber A2 inwall of heat pipe 30 is equipped with capillary structure layer 40.
The upper end mouth of pipe of above-mentioned heat pipe 30 is welded to connect on the bottom surface interface 21 of soaking plate body so that the tube chamber of heat pipe 30 A2 is connected with the flat inner chamber A1 of soaking plate body by bottom surface interface 21 becomes a confined space, and this confined air Between evacuation form the vacuum chamber A of three-dimensional soaking plate, vacuum chamber A has been filled with liquid heat conductive working medium, this liquid heat conductive work Mass-energy is enough evaporates after heat absorption and again liquefies after heat release.
Wherein, above-mentioned capillary structure layer 40 is copper powder sintering layer 41, is arranged in soaking plate body flat inner chamber A1 cavity wall The copper powder sintering layer that capillary structure layer 40 uses copper powder mesh number to be 120~200 mesh, is arranged on heat pipe 30 tube chamber A2 inwall The copper powder sintering layer that capillary structure layer 40 uses copper powder mesh number to be 80~120 mesh.Above-mentioned liquid heat conductive working medium is distilled water or ethanol.
As a kind of preferred embodiment: the external diameter of above-mentioned circular heat pipe is preferably 6mm, pipe thickness is preferably 0.3mm, length are preferably 45mm, between the thickness of thin type heat pipe i.e. left end plane tube wall 30a and right-hand member plane tube wall 30b Distance preferably 3.5mm;Above-mentioned soaking plate body is preferably circular, and its thickness is preferably 3.5mm, diameter is preferably 45mm; Above-mentioned liquid heat conductive working medium preferably employs the pure water of 0.21g.
The operation principle of three-dimensional soaking plate of the present utility model is as follows:
During three-dimensional soaking plate work, heating end is the outside wall surface of heat pipe 30, and condensation end is the outside wall surface of soaking plate body.Serve as heat The LED lamp in source directly against being attached to the heating end of three-dimensional soaking plate, be equivalent to the fin structure of cooling device directly with three-dimensional soaking The condensation end contact of plate.Three-dimensional soaking plate is equivalent to an inwall and has the vacuum cavity of capillary structure, when heat by heat source extremely During heating end, the phenomenon that the liquid heat conductive working medium in the tube chamber A2 of heat pipe 30 occurs liquid phase to vaporize in the environment of rough vacuum becomes For gaseous state heat-conducting work medium, gaseous state heat-conducting work medium carries a large amount of latent heat and rapid spatial expansion is full of whole cavity, gaseous state heat conduction work Matter is met cold generation and is condensed phenomenon when touching the internal face of soaking plate body, can discharge gaseous state heat-conducting work medium and carry in condensation process All heats include the amount of heat of generation of heat and the phase transformation having during gaseous state so that gaseous state heat-conducting work medium is liquefied as again For liquid heat conductive working medium.Again the liquid heat conductive working medium after liquefaction is returned three-dimensional soaking plate by the siphonage of capillary structure layer 40 Heating end, the carrying out that this circulation will go round and begin again in the vacuum cavity of three-dimensional soaking plate, here it is the work of three-dimensional soaking plate Principle.Can produce capillary force due to the capillary structure layer 40 of three-dimensional soaking plate again, it operationally can be not influenced by gravitation.
Embodiment two
As shown in Figure 6, the three-dimensional soaking plate of this utility model embodiment two is essentially identical with embodiment one, and difference is: this reality Executing in example two, capillary structure layer 40 is by being positioned at the copper powder sintering layer 41 of internal layer and answering that the monolayer copper mesh 42 being positioned at outer layer forms Close layer.
This utility model is not limited to above-mentioned detailed description of the invention, according to foregoing, according to this area ordinary technical knowledge and Customary means, without departing under this utility model above-mentioned basic fundamental thought premise, it is multiple that this utility model can also make other The equivalent modifications of form, replace or change, all fall among protection domain of the present utility model.Such as: the soaking plate body side of being Shape.And for example: as a kind of preferred embodiment: it is preferred that the external diameter of above-mentioned circular heat pipe is preferably 6mm, pipe thickness Be preferably 30mm for 0.3mm, length, the thickness of thin type heat pipe i.e. left end plane tube wall 30a and right-hand member plane tube wall 30b it Between distance be preferably 3.5mm;Above-mentioned soaking plate body is the most square, and it is preferred that its thickness is preferably 3.5mm, length and width size It is preferably 17mm for 35mm and 25mm, head end extension elongation;Above-mentioned liquid heat conductive working medium preferably employs the pure water of 0.20g.

Claims (9)

1. a three-dimensional soaking plate, it is characterised in that: described three-dimensional soaking plate is by as the soaking plate body of condensation end and conduct Heat pipe (30) composition of heating end, described soaking plate body has flat inner chamber (A1) and connects described flat inner chamber (A1) Bottom surface interface (21), in flat inner chamber (A1) cavity wall of described soaking plate body and the tube chamber (A2) of described heat pipe (30) Being equipped with capillary structure layer (40) on inwall, the upper end mouth of pipe of described heat pipe (30) is welded to connect the end at described soaking plate body On face interface (21) so that the tube chamber (A2) of described heat pipe (30) is by described bottom surface interface (21) and described soaking plate Flat inner chamber (A1) connection of body becomes a confined space, and this confined space evacuation forms described three-dimensional soaking The vacuum chamber (A) of plate, has been filled with liquid heat conductive working medium in described vacuum chamber (A), and this liquid heat conductive working medium can inhaled Evaporate after heat and again liquefy after heat release.
Three-dimensional soaking plate the most according to claim 1, it is characterised in that: described heat pipe (30) is thin type heat pipe, should Thin type heat pipe is to be had left end plane tube wall (30a) and the heat pipe of right-hand member plane tube wall (30b) by what circular heat pipe was suppressed.
Three-dimensional soaking plate the most according to claim 2, it is characterised in that: described heat pipe (30) by large-diameter pipe section (31), Path pipeline section (33) and the reducing pipeline section (32) being connected between large-diameter pipe section (31) and path pipeline section (33) are constituted, institute The upper end mouth of pipe stating large-diameter pipe section (31) is the upper end mouth of pipe of described heat pipe (30).
4. according to the three-dimensional soaking plate described in claims 1 to 3 any one, it is characterised in that: described soaking plate body by Soaking plate upper cover (10) and soaking plate lower cover (20) are welded to form, described soaking plate upper cover (10) and soaking plate lower cover (20) Between be formed with described flat inner chamber (A1), described bottom surface interface (21) is arranged on the end of described soaking plate lower cover (20) On face and be positioned at the center of described soaking plate lower cover (20), the end face of described soaking plate lower cover (20) is provided with multiple ring Center vertical line equally distributed copper post (50) around described soaking plate lower cover (20).
Three-dimensional soaking plate the most according to claim 4, it is characterised in that: all it is set with outside each described copper post (50) Having the collar (60) with capillary structure, this collar (60) is by the ring body of copper powder sintering.
6. according to the three-dimensional soaking plate described in claims 1 to 3 any one, it is characterised in that: described capillary structure layer (40) For copper powder sintering layer (41), or, described capillary structure layer (40) is for by being positioned at the copper powder sintering layer (41) of internal layer and being positioned at The composite bed that the monolayer copper mesh (42) of outer layer forms.
Three-dimensional soaking plate the most according to claim 6, it is characterised in that be arranged on soaking plate body flat inner chamber described in: (A1) capillary structure layer in cavity wall (40) uses copper powder mesh number to be the copper powder sintering layer of 120~200 mesh, described in be arranged on The copper powder sintering layer that capillary structure layer (40) on heat pipe (30) tube chamber (A2) inwall uses copper powder mesh number to be 80~120 mesh.
8. according to the three-dimensional soaking plate described in claims 1 to 3 any one, it is characterised in that: described soaking plate body is Circular or square.
9. according to the three-dimensional soaking plate described in claims 1 to 3 any one, it is characterised in that: described liquid heat conductive working medium For distilled water or ethanol.
CN201620248296.3U 2016-03-28 2016-03-28 Three -dimensional soaking board Active CN205480884U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620248296.3U CN205480884U (en) 2016-03-28 2016-03-28 Three -dimensional soaking board

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Application Number Priority Date Filing Date Title
CN201620248296.3U CN205480884U (en) 2016-03-28 2016-03-28 Three -dimensional soaking board

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110645815A (en) * 2019-09-29 2020-01-03 联想(北京)有限公司 Vapor chamber and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110645815A (en) * 2019-09-29 2020-01-03 联想(北京)有限公司 Vapor chamber and preparation method thereof

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