CN108204754A - A kind of heat-conducting plate - Google Patents
A kind of heat-conducting plate Download PDFInfo
- Publication number
- CN108204754A CN108204754A CN201611180792.0A CN201611180792A CN108204754A CN 108204754 A CN108204754 A CN 108204754A CN 201611180792 A CN201611180792 A CN 201611180792A CN 108204754 A CN108204754 A CN 108204754A
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- CN
- China
- Prior art keywords
- heat
- metal shell
- plate
- liquid pipe
- welding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
Abstract
The invention discloses a kind of heat-conducting plates, are mainly made of metal shell, the imbibition film inside metal shell, working media and filling liquid pipe；The metal shell is made of upper metallic plate and lower metallic plate, and inner surface is coated with one layer of imbibition film；The metal-sheet edges position up and down is sealed using welding procedure, forms the metal shell of internal cavities, centre position increases casing rigidity by reinforcement of weld point；The sheet metal shell internal cavities are interconnected, and can working medium disposably be filled entire sheet metal shell；The filling liquid pipe passes through metal shell side to be communicated in the cavity inside metal shell, convenient for vacuumizing and filling working medium.Heat-conducting plate of the present invention has the following advantages：1. heat transfer direction is isotropism, available for heat point source, line heat source knead dough cooling heat source；2. manufacture craft is simple, can be produced in enormous quantities；3. different shapes can be produced into adapt to thermal component.It the composite can be widely applied to the heat dissipation of electronic product or the heated at constant temperature of food and chemical industry equipment, it is also possible to make heat exchanger.
Description
Technical field
The present invention relates to technical field of heat exchange, specifically, are related to a kind of heat-conducting plate.
Background technology
Current heat transfer element is mostly used heat pipe, it transmits heat by sealing the latent heat of phase change of working media in vacuum envelope
Amount, inside heat pipe medium, by thermal evaporation, after rising to top, heat release are condensed in radiating segment in bringing-up section.The heat transfer property of heat pipe
Similar to the electric conductivity of superconductor, therefore, it has, and heat-transfer capability is big, the high feature of heat transfer efficiency.Because of its superior conductivity of heat
Can and technical characteristic and be widely used in energy-saving field.At present, heat pipe is usually used in equipment cooling, waste heat recovery and fresh air system
The fields such as system.
Existing heat pipe structure is fixed, and heat dissipation is all air-heat pipe heat radiation, and radiating efficiency is not high, and heat-conducting plate can be with
Radiating element is in direct contact, and improves efficiency of thermal transfer.A kind of flat aluminium micropore heat pipe described in patent CN2014105908906
Using board-like shape heat exchanger, the contact area with radiating element is increased, but since its manufacturing method is cumbersome, by multiple only
Vertical micropore forms, in the fabrication process low production efficiency, it is difficult to efficiently produce in enormous quantities.
Invention content
It is an object of the invention to overcome the above-mentioned problems of the prior art, and provide a kind of and radiating element largest face
Product contact, occupies minimum space, and heat exchange efficiency is high and the easy heat-conducting plate efficiently produced in enormous quantities.
The present invention solves technical problem and adopts the following technical scheme that：
A kind of heat-conducting plate, imbibition film, working media and filling liquid pipe including metal shell, inside metal shell；The gold
Belong to housing to be made of upper metallic plate and lower metallic plate；The metallic plate up and down is all rectangular flat plate, and edge places one
Determine the welding filling material of thickness, make that the space of connection can be formed inside metal shell, and seal using welding procedure；On described
The inner surface of lower metallic plate is coated with one layer of imbibition film；The metal shell is internally provided with to maintain metal shell inner cavity body
The reinforcement of weld point of shape；The reinforcement of weld point is connected to metallic plate up and down and increases metal shell intensity；The filling liquid pipe
The cavity inside metal shell is communicated in across metal shell side, convenient for vacuumizing and filling working medium；The working media warp
It overcharges liquid pipe to be filled in inside entire sheet metal shell, can working media disposably be filled into entire metal shell.
Metallic plate described above can be used the metals such as copper alloy, aluminium alloy, stainless steel, titanium alloy or using other heat transfer
Property good, intensity be suitble to and be easy to welding metal.
The fluorochlorohydrocarbons such as water, freon class or the good stable gas-liquid two of other thermal conductivity can be selected in working media described above
One kind in phase medium.
The welding manner of soldering, electric resistance welding or Laser Welding can be used in the welding procedure of metal-sheet edges sealing described above.
The mode of resistance spot welding or Laser Welding can be used in the welding procedure of reinforcement point described above.
Heat-conducting plate described above is connect by heat-conducting silicone grease with thermal component.
The present invention heat-conducting plate the advantages of be：1. the heat transfer direction of heat-conducting plate is isotropism, available for heat point source, line
Heat source knead dough cooling heat source；2. manufacture craft is simple, can be produced in enormous quantities；3. different shapes can be produced into adapt to
Thermal component.The present invention can be used for the heat dissipation of the electronic products such as phone housing, tablet computer, server, available for eating
The constant temperature heating devices such as product processing, chemical industry equipment also can be used as heat exchanger use.
Description of the drawings
Fig. 1 is the structure diagram of heat-conducting plate of the present invention.
Fig. 2 is the schematic cross-section of heat-conducting plate of the present invention.
Fig. 3（a）The overall schematic of first embodiment for heat-conducting plate of the present invention.
Fig. 3（b）The side schematic view of first embodiment for heat-conducting plate of the present invention.
Fig. 4 is the schematic diagram of the second embodiment of heat-conducting plate of the present invention.
In figure：（1）Heat-conducting plate；（11）Upper metallic plate；（12）Lower metallic plate；（13）Reinforcement point；（14）Working media；（15）
Imbibition film；（16）Filling liquid pipe；（2）Radiating electronic product；（21）The big electronic device of heat dissipation capacity.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, develop simultaneously embodiment referring to the drawings, right
The present invention is further described.
If Fig. 1,2 are heat-conducting plate（1）Schematic diagram, manufacturing process include the following steps：
1. the mode for first passing through punching press or mold makes two pieces of rectangular metallic plates.
2. all apply last layer imbibition film in the inner surface of two pieces of metallic plates（15）.
3. two pieces of metallic plates are sealed around, and place the filling liquid pipe of diameter about 1-2mm in edge（16）, specific side
Method is：In lower metallic plate（12）Edge coat certain thickness welding filling material, then upper and lower metallic plate pair
It full cries and puts, and by filling liquid pipe（16）It is placed on metallic plate up and down（11；12）Between arbitrary side edge, finally using soldering
Or the mode sealing metal plate surrounding of Laser Welding completes welding, reserves filling liquid pipe（16）Carry out subsequent operation.
4. according to heat-conducting plate（1）Size and Demand Design go out reinforcement point（13）Size, density and spacing, use resistance
The mode of spot welding or Laser Welding completes reinforcement point（13）Welding ensures casing rigidity, avoids that sender matter pressure is excessive to lead to shell because filling
Body deforms.
5. pass through filling liquid pipe（16）It vacuumizes, fill working medium.
6. filling liquid pipe is sealed using cold welding technique（16）, complete manufacture.
Fig. 3 show a kind of structure diagram of embodiment of the present invention.Heat-conducting plate（1）Metallic plate up and down（11；12）
All it is surface plate, with radiating electronic product（2）It fits closely together, electronic product work generates heat, is passed by heat transfer
To the metallic plate close to electronic product side, sheet metal shell interior liquid working medium flashes to gaseous state after being heated and absorbs heat,
Liquid is condensed into after encountering the low-temperature metal plate far from electronic product side and releases heat, and liquid refrigerant passes through imbibition film（15）
It returns at the metallic plate of electronic product side and is recycled next time.When radiating electronic product（2）Position is fixed, and heat conduction
Plate（1）Lie in a horizontal plane in radiating electronic product（2）During top, upper and lower metallic plate（11；12）Inner surface can not apply imbibition film（15）,
Condensed liquid refrigerant can be returned at the metallic plate of electronic product side by gravity and be recycled next time.
Fig. 4 show the structure diagram of another embodiment of the present invention.The area of the present embodiment and embodiment illustrated in fig. 3
It is not, the low-temperature metal plate far from electronic product side makes plane, and the metallic plate close to electronic product side makes concave surface,
Make heat-conducting plate（1）The more big electronic device of fitting heat dissipation capacity（21）, further improve radiating efficiency.The making of metallic plate can root
Punching press or Foundry Production are used according to required thickness.
Claims (6)
1. a kind of heat-conducting plate（1）, which is characterized in that the imbibition film including metal shell, inside metal shell（15）, work
Medium（14）With filling liquid pipe（16）；The metal shell is by upper metallic plate（11）With lower metallic plate（12）Composition；The gold up and down
Belong to plate（11；12）All it is rectangular flat plate, certain thickness welding filling material is uniformly placed in edge, and using welding
Process seal；The metallic plate up and down（11；12）Inner surface be coated with one layer of imbibition film（15）；It is set inside the metal shell
It is useful for maintaining the reinforcement of weld point of metal shell inner cavity body shape（13）；The reinforcement of weld point（13）It is connected to gold up and down
Belong to plate（11；12）；The filling liquid pipe（16）The cavity being communicated in across metal shell side inside metal shell；The work is situated between
Matter（14）By filling liquid pipe（16）It is filled in inside entire sheet metal shell.
2. a kind of heat-conducting plate（1）, manufacturing process includes the following steps：
（ⅰ）The mode for first passing through punching press or mold makes two pieces of rectangular metallic plates；（ⅱ）Two pieces of metallic plates inner surface all
Apply last layer imbibition film（15）；（ⅲ）Two pieces of metallic plates are sealed around, and place the filling liquid pipe of diameter about 1-2mm in edge
（16）, specific method is：In lower metallic plate（12）Edge coat certain thickness welding filling material, then
Upper and lower metallic plate（11；12）Alignment is placed, and by filling liquid pipe（16）It is placed on metallic plate up and down（11；12）Between arbitrary side
Edge, finally sealing metal plate surrounding completes welding by the way of soldering or Laser Welding, reserves filling liquid pipe（16）Progress after
Continuous operation；（ⅳ）According to heat-conducting plate（1）Size and Demand Design go out reinforcement point（13）Size, density and spacing, use resistance
The mode of spot welding or Laser Welding completes reinforcement point（13）Welding；（ⅴ）Pass through filling liquid pipe（16）It vacuumizes, fill working medium；（ⅵ）Using
Cold welding technique seals filling liquid pipe（16）, complete manufacture.
3. according to a kind of heat-conducting plate described in claim 1 and 2（1）, which is characterized in that the metallic plate can be used copper alloy,
The metals such as aluminium alloy, stainless steel, titanium alloy or the metal for being suitble to and being easy to welding using other good thermal conductions, intensity.
4. according to a kind of heat-conducting plate described in claim 1 and 2（1）, which is characterized in that the working media（14）It can be selected
One kind in the fluorochlorohydrocarbons such as water, freon class or the good stable gas-liquid two-phase medium of other thermal conductivity.
5. according to a kind of heat-conducting plate described in claim 1 and 2（1）, which is characterized in that the metallic plate can be two pieces of tablets
Or one flat plate and one block of notch board.
6. according to a kind of heat-conducting plate described in claim 1 and 2（1）, which is characterized in that the heat-conducting plate（1）Pass through thermal conductive silicon
Fat is connect with thermal component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611180792.0A CN108204754A (en) | 2016-12-20 | 2016-12-20 | A kind of heat-conducting plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611180792.0A CN108204754A (en) | 2016-12-20 | 2016-12-20 | A kind of heat-conducting plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108204754A true CN108204754A (en) | 2018-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611180792.0A Pending CN108204754A (en) | 2016-12-20 | 2016-12-20 | A kind of heat-conducting plate |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201364062Y (en) * | 2009-01-09 | 2009-12-16 | 中山伟强科技有限公司 | Sintering-type thermotube-type soaking board with convex platform |
| CN101893401A (en) * | 2009-05-19 | 2010-11-24 | 富准精密工业(深圳)有限公司 | Flat-plate heat pipe and manufacturing method thereof |
| CN103846365A (en) * | 2012-11-30 | 2014-06-11 | 象水国际股份有限公司 | Uniform-temperature plate and method for manufacturing same |
| CN104976909A (en) * | 2014-04-04 | 2015-10-14 | 奇鋐科技股份有限公司 | Uniform-temperature plate structure and manufacturing method thereof |
| CN105865241A (en) * | 2016-04-11 | 2016-08-17 | 广州华钻电子科技有限公司 | Ultrathin soaking plate and manufacturing method thereof |
| CN106091765A (en) * | 2016-06-15 | 2016-11-09 | 广东工业大学 | A kind of flat-plate heat pipe and preparation method thereof |
-
2016
- 2016-12-20 CN CN201611180792.0A patent/CN108204754A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201364062Y (en) * | 2009-01-09 | 2009-12-16 | 中山伟强科技有限公司 | Sintering-type thermotube-type soaking board with convex platform |
| CN101893401A (en) * | 2009-05-19 | 2010-11-24 | 富准精密工业(深圳)有限公司 | Flat-plate heat pipe and manufacturing method thereof |
| CN103846365A (en) * | 2012-11-30 | 2014-06-11 | 象水国际股份有限公司 | Uniform-temperature plate and method for manufacturing same |
| CN104976909A (en) * | 2014-04-04 | 2015-10-14 | 奇鋐科技股份有限公司 | Uniform-temperature plate structure and manufacturing method thereof |
| CN105865241A (en) * | 2016-04-11 | 2016-08-17 | 广州华钻电子科技有限公司 | Ultrathin soaking plate and manufacturing method thereof |
| CN106091765A (en) * | 2016-06-15 | 2016-11-09 | 广东工业大学 | A kind of flat-plate heat pipe and preparation method thereof |
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Application publication date: 20180626 |
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| RJ01 | Rejection of invention patent application after publication |