CN201344753Y - Combined flat-plate heat tube radiator with complex cavity - Google Patents
Combined flat-plate heat tube radiator with complex cavity Download PDFInfo
- Publication number
- CN201344753Y CN201344753Y CNU2008202248459U CN200820224845U CN201344753Y CN 201344753 Y CN201344753 Y CN 201344753Y CN U2008202248459 U CNU2008202248459 U CN U2008202248459U CN 200820224845 U CN200820224845 U CN 200820224845U CN 201344753 Y CN201344753 Y CN 201344753Y
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- plate heat
- flat plate
- heat
- heat tube
- flat
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Abstract
The utility model relates to a combined flat-plate heat tube radiator with a complex cavity, and the cavities of all flat-plate heat tubes are communicated with one another to form a closed space. The flat-plate heat tubes of the evaporating section are utilized to collect heat, the flat-plate heat tubes of the condensing section are utilized to dissipate heat, and thereby the collection and dissipation of heat are respectively carried out on different flat-plate heat tubes. Because the flat-plate heat tubes of the evaporating section are tightly contacted with the heat-dissipating surface of the flat pate of a cooled part, the heat transfer resistance is low, the evaporating area is large, the heat transfer capacity is strong, and the temperature on the heat-dissipating surface is more uniform; the arrangement of the heat-dissipating surface of the condensing section is no longer limited by the size of the evaporating section and is more flexible, and consequently, under the premise of maintaining the high efficiency of fins, the heights of the fins can be greatly increased, thus enlarging the heat-dissipating area and enhancing the heat transfer capacity.
Description
Technical field
The utility model belongs to the heat transfer technology field, the device that particularly utilizes flat plate heat tube to dispel the heat.
Background technology
Heat pipe is a kind ofly to rely on the phase transformation of self internal work medium to realize the device that heat transmits, working media is at the evaporator section carburation by evaporation that is heated in the pipe, the steam that produces flows to condensation segment under certain pressure reduction, and emit heat at condensation segment, again be condensed into liquid and be back to evaporator section, thus the circulation of formation working media.
Conventional heat pipe mainly contains tubing hot-pipe and flat plate heat tube.It is circular that the tubing hot-pipe profile is generally, and can realize the long Distance Transmission of heat under the little temperature difference easily.When the radiating surface of the parts that are cooled is the plane, as most of electronic devices and components, computer CPU, LED luminous component etc., flat plate heat tube has been brought into play important effect, because the radiating surface of the flat plate heat tube and the parts that are cooled can contact closely, reduce thermal resistance, overcome the existing problem of tubing hot-pipe.But for flat plate heat tube, because its structural characteristics, its control transfer of heat distance has been subjected to certain restriction, this has brought difficulty for the layout of flat-plate heat pipe radiating surface, it is bigger particularly to work as heat flow density, or the dimensional requirement of the contact-making surface of flat plate heat tube and heat generating components radiating surface is when restricted, and the heat how timely flat plate heat tube to be absorbed dissipates and becomes an important problem.For increasing the area of dissipation of flat plate heat tube, can improve area of dissipation by the way that on the flat plate heat tube radiating surface, installs fin additional, but the quantity of fin is subjected to the restriction of flat plate heat tube physical dimension on the one hand, particularly for the occasion of taking Natural Heat Convection, the packing density of fin is subjected to certain restriction; On the other hand owing to be subjected to the influence of fin efficiency, utilize the increase fin height to increase the fin Method for Area and also be subjected to certain restriction, because too high fin can cause the decline of fin efficiency, therefore under the situation of high heat flux, the use of flat-plate heat pipe is restricted.
Summary of the invention
The purpose of this utility model is exactly in order to address the above problem, provide a kind of simple in structure, make the combined planar heat pipe heat abstractor that has composite inner cavity easily.
The utility model is to utilize a flat plate heat tube to collect heat, bear the evaporator section in heat transmission loop, the another one flat plate heat tube is as condensation segment, the inner chamber of two flat plate heat tubes communicates, like this with the collection of heat with distribute part separately, make radiating surface no longer be subjected to the restriction of heating surface size, the layout of radiating surface is more flexible; And, when radiating surface need install fin with the increase area of dissipation additional, can keep higher fin efficiency because the thermograde of flat plate heat tube is little.
The technical solution adopted in the utility model is:
A kind of combined planar heat pipe heat abstractor with composite inner cavity, this combined planar heat pipe heat abstractor is made of evaporator section flat plate heat tube and the interconnection of condensation segment flat plate heat tube, the inner chamber of two flat plate heat tubes communicates, form an airtight space, on evaporator section flat plate heat tube and condensation segment flat plate heat tube, radiated rib is installed.
The profile of described evaporator section flat plate heat tube and condensation segment flat plate heat tube is triangle or quadrangle or pentagon or hexagon circle or oval; Its cross section is triangle or quadrangle or trapezoidal; Its inwall is hydraulically smooth surface or is carved with conduit, or has lamina reticularis or the porous material layer that increases capillary force on the inwall.
The quantity of described condensation segment flat plate heat tube can be one, also can be two or more.
The utility model connects another one or a plurality of flat plate heat tube at the top-cross fork of a flat plate heat tube, utilize a flat plate heat tube as the evaporator section in the heat transmission loop, plane radiating surface and this evaporator section flat plate heat tube of the parts that are cooled closely contacted by the method that compresses, bonds, welds; To be installed in the condensation segment of other flat plate heat tube of this flat plate heat tube opposite side as heat transmission loop, this condensation segment and the fin of installing on it are formed radiating surface, and heat is distributed.Communicate as the inner chamber of the flat plate heat tube of evaporator section with as the inner chamber of the flat plate heat tube of condensation segment, form an airtight space, the working media of a flat plate heat tube can enter the another one flat plate heat tube, and vice versa.The heat that the parts that are cooled give out passes to its inner working media by the wall as the flat plate heat tube of evaporator section, the working media carburation by evaporation that is heated, the steam that produces enters the flat plate heat tube as condensation segment that communicates with it, steam is emitted heat at this condensation segment flat plate heat tube, again be condensed into liquid, Ye Tai working media is back to the evaporator section flat plate heat tube then, thereby forms the circulation of working media.Because the collection of heat is to carry out on different flat plate heat tubes respectively with distributing, so the layout of evaporator section and condensation segment is more flexible.Contact as the flat plate heat tube of evaporator section and the plane heat-delivery surface of the parts that are cooled, heat transfer resistance is little, and disengagement area is big, and heat-transfer capability is strong, more uniform temperature on the entire heat dissipation surface; And the two-sided fin that all can install additional of condensation segment flat plate heat tube cross-coupled with it, make the quantity of installable fin increase, simultaneously, can also increase the height of fin by the way that increases condensation segment flat plate heat tube height, because heat pipe can transmit a large amount of heats under the little temperature difference, be subjected to the influence of fin height less so be installed in the fin efficiency of fin on the condensation segment flat plate heat tube, under the fin height condition with higher, still can keep higher fin efficiency, increase the difficult problem that area of dissipation can cause fin efficiency to descend by increasing fin height thereby solved merely.
The beneficial effects of the utility model are: made up a plurality of flat plate heat tubes, make the collection of heat on different flat plate heat tubes, carry out with distributing respectively, reducing evaporator section and the heat transfer resistance between the parts of being cooled, increase disengagement area, when improving heat-transfer capability, make the layout of condensation segment fin radiating surface no longer be subjected to the restriction of evaporator section size, can increase considerably the area of dissipation of condensation segment and can keep higher fin efficiency, the layout of evaporator section and condensation segment is also more flexible.
The utility model be particularly suitable for being cooled radiating surface of parts is the plane, and the high situation of heat flow density, as the heat radiation of components and parts such as electronic devices and components, computer CPU, LED luminous component and equipment.
Description of drawings
Fig. 1 is the structural representation that an evaporator section flat plate heat tube connects a condensation segment flat plate heat tube;
Fig. 2 is Fig. 1 plan structure schematic diagram;
Fig. 3 is the structural representation that an evaporator section flat plate heat tube connects two condensation segment flat plate heat tubes;
Fig. 4 is Fig. 3 plan structure schematic diagram.
Wherein, 1, condensation segment flat plate heat tube; 2, radiated rib; 3, evaporator section flat plate heat tube.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing:
In embodiment illustrated in figures 1 and 2, condensation segment flat plate heat tube 1 is connected to a side of evaporator section flat plate heat tube 3, makes the inner chamber of two flat plate heat tubes communicate, and forms a T type confined space.Working media in evaporator section flat plate heat tube 3 inner chambers carburation by evaporation that is heated, the steam that produces enters the condensation segment flat plate heat tube 1 that is connected evaporator section flat plate heat tube one side, steam is emitted heat at condensation segment, again be condensed into liquid, Ye Tai working media is back to evaporator section flat plate heat tube inner chamber 3 again under the effect of gravity then; The heat that steam gives out distributes to environment on every side by condensation segment flat plate heat tube 1 and radiated rib 2 mounted thereto.
Fig. 3 and Figure 4 shows that two condensation segment flat plate heat tubes 1 are connected to the specific embodiment of evaporator section flat plate heat tube 3 one sides.With embodiment illustrated in fig. 1 different be: in this embodiment, the condensation segment flat plate heat tube 1 that is installed in evaporator section flat plate heat tube one side has two.In this embodiment, all communicate, form a П type confined space with the inner chamber of evaporator section flat plate heat tube 3 as two flat plate heat tubes of condensation segment.Working media in evaporator section flat plate heat tube 3 inner chambers carburation by evaporation that is heated, the steam that produces enters two condensation segment flat plate heat tubes 1, steam is emitted heat in these two condensation segment flat plate heat tubes 1, again be condensed into liquid, Ye Tai working media is back to evaporator section flat plate heat tube 3 inner chambers again under the gravity effect then.The heat that steam gives out distributes to environment on every side by two condensation segment flat plate heat tubes 1 and radiated rib 2 mounted thereto.
Claims (3)
1. combined planar heat pipe heat abstractor with composite inner cavity, it is characterized in that: this combined planar heat pipe heat abstractor is made of evaporator section flat plate heat tube and the interconnection of condensation segment flat plate heat tube, the inner chamber of two flat plate heat tubes communicates, form an airtight space, on evaporator section flat plate heat tube and condensation segment flat plate heat tube, radiated rib is installed.
2. the combined planar heat pipe heat abstractor with composite inner cavity according to claim 1 is characterized in that: the profile of described evaporator section flat plate heat tube and condensation segment flat plate heat tube is triangle or quadrangle or pentagon or hexagon circle or oval; Its cross section is triangle or quadrangle or trapezoidal; Its inwall is hydraulically smooth surface or is carved with conduit, or has lamina reticularis or the porous material layer that increases capillary force on the inwall.
3. the combined planar heat pipe heat abstractor with composite inner cavity according to claim 1 and 2 is characterized in that: the quantity of described condensation segment flat plate heat tube can be one, also can be two or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202248459U CN201344753Y (en) | 2008-12-05 | 2008-12-05 | Combined flat-plate heat tube radiator with complex cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202248459U CN201344753Y (en) | 2008-12-05 | 2008-12-05 | Combined flat-plate heat tube radiator with complex cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201344753Y true CN201344753Y (en) | 2009-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202248459U Expired - Fee Related CN201344753Y (en) | 2008-12-05 | 2008-12-05 | Combined flat-plate heat tube radiator with complex cavity |
Country Status (1)
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| CN (1) | CN201344753Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636057A (en) * | 2012-03-28 | 2012-08-15 | 大连金三维科技有限公司 | Radiator and manufacturing method thereof |
| CN106659096A (en) * | 2017-02-23 | 2017-05-10 | 湖南中科泰通热能科技发展有限公司 | Heat exchange unit used for electrical equipment |
| CN109378552A (en) * | 2018-11-23 | 2019-02-22 | 清华大学 | Chiasma type flat-plate heat pipe |
| CN109799893A (en) * | 2019-04-02 | 2019-05-24 | 济南大学 | A kind of combination heat pipe cpu heat |
| CN111083911A (en) * | 2019-12-23 | 2020-04-28 | 浙江大学 | Composite liquid-cooled heat pipe radiator |
-
2008
- 2008-12-05 CN CNU2008202248459U patent/CN201344753Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636057A (en) * | 2012-03-28 | 2012-08-15 | 大连金三维科技有限公司 | Radiator and manufacturing method thereof |
| CN102636057B (en) * | 2012-03-28 | 2014-04-09 | 大连金三维科技有限公司 | Radiator and manufacturing method thereof |
| CN106659096A (en) * | 2017-02-23 | 2017-05-10 | 湖南中科泰通热能科技发展有限公司 | Heat exchange unit used for electrical equipment |
| CN109378552A (en) * | 2018-11-23 | 2019-02-22 | 清华大学 | Chiasma type flat-plate heat pipe |
| CN109799893A (en) * | 2019-04-02 | 2019-05-24 | 济南大学 | A kind of combination heat pipe cpu heat |
| CN109799893B (en) * | 2019-04-02 | 2024-01-30 | 济南大学 | Combined heat pipe CPU radiator |
| CN111083911A (en) * | 2019-12-23 | 2020-04-28 | 浙江大学 | Composite liquid-cooled heat pipe radiator |
| CN111083911B (en) * | 2019-12-23 | 2020-12-29 | 浙江大学 | Composite liquid-cooled heat pipe radiator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091111 Termination date: 20161205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |