CN102569226A - Conveniently fixed high-heat-radiation coating material and manufacturing method thereof - Google Patents
Conveniently fixed high-heat-radiation coating material and manufacturing method thereof Download PDFInfo
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- CN102569226A CN102569226A CN201010610298XA CN201010610298A CN102569226A CN 102569226 A CN102569226 A CN 102569226A CN 201010610298X A CN201010610298X A CN 201010610298XA CN 201010610298 A CN201010610298 A CN 201010610298A CN 102569226 A CN102569226 A CN 102569226A
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Abstract
The invention provides a conveniently fixed high-heat-radiation coating material and a manufacturing method thereof, belonging to the technical field of high-heat-radiation composite materials. The conveniently fixed high-heat-radiation coating material consists of two parts, namely a high-heat-radiation membrane slice and an adhesive. The manufacturing method comprises the following steps of: cutting a high-heat-radiation membrane into slices; then heating to make a liquid metal body be in contact with one end of the high-heat-radiation membrane slices and wrap one ends of the high-heat-radiation membrane slices; and finally cooling at low temperature, solidifying the liquid metal body into the adhesive, and thus obtaining the conveniently fixed high-heat-radiation coating material. When the conveniently fixed high-heat-radiation coating material is used, only the adhesive is heated to be smelted and put on a heating body to be subjected to heat radiation; and after the adhesive is cooled, the high-heat-radiation membrane slices and the heating body are adhered on one place, so that the heating body is subjected to heat radiation under the help of the high-heat-radiation membrane slices.
Description
Technical field
High heat sink material technical field.
Background technology
Numerous areas such as electronic product, machinery, electric power, communication, chemical industry in the process of the processing of product, production, and in the process of using, all can produce the different heat of quantity.And, if the heat that is produced can not effectively be distributed, then can all might impact the processing and the use of product.
Be widely used at present various heat sink materials are arranged.Dissimilar heat sink materials can have different performances.Such as the heat conductivility of metal material is good, wherein a part of metal material particularly, and like copper, aluminium, silver etc., its heat conductivility is especially good.Such as, the radiator of copper radiator, aluminium matter is all used very general.
Enumerate the thermal conductivity performance of some heat sink materials commonly used below:
Aluminium: 237W/mK;
Copper: 401W/mK;
Silver: 420W/mK;
Gold: 318W/mK.
Because price factor, most radiators of current use adopt copper material or aluminum material to make; But some special places are arranged, also use silver or golden material, come as heat sink material.The shape of radiator and structure, size etc. have difference mutually according to different application scenarios.Such as, various CUP go up the radiator that uses, and the radiator that uses on the circuit board, are the radiating element with waveform heat radiation groove mostly.
And in the present invention, can be applied to membrane material with high heat dispersion.
Wherein, utilize the height heat radiation graphite film of carbon component made, have very high heat-sinking capability, can reach: 1500～1750W/mK.
And, then having more powerful heat-sinking capability at present as the grapheme material of research focus, its thermal conductivity is about 5000W/mK.
The membrane material of high rate of heat dissipation like this is the radiating equipment in the various products, and new selection is provided.
Existing high heat radiation is coated with material, and the user uses underaction light, when the indivedual heaters of appearance or heating region need radiating and cooling, can not use and provide heat radiation comparatively easily.
The present invention hopes for addressing this problem a kind of scheme that provides.
Summary of the invention
The object of the present invention is to provide a kind of height heat radiation of being convenient to fix to be coated with material and manufacturing approach thereof.This material can conveniently adhere to the heater surface, helps the heater heat radiation, and use, easy to carry.
A kind of height heat radiation of being convenient to fix of the present invention is coated with material, and this is coated with material and includes high heat radiation diaphragm, and the adherend that is arranged on high heat radiation diaphragm one end.
Preferably, described high heat dissipation film is height heat radiation graphite film and graphene film one of which at least.
Preferably, described high heat radiation diaphragm is strip, and thickness is between the 1-300 micron.
Preferably, described high heat radiation diaphragm is a strip structure, and the scope of its width and length ratio is 0.01-1.00.
Preferably, at normal temperatures, described adherend is the metallic object that solidifies attitude.
Preferably, described adherend selection is that fusing point is lower than 1100 degrees centigrade metal material.
Preferably, described metallic object is gold or silver or copper or aluminium or tin or lead, with and alloy.
Preferably, peripheral at described adherend, be coated with scaling powder.
Preferably, the peripheral coated scaling powder of described adherend is a rosin.
Accordingly, a kind of height heat radiation of being convenient to fix is coated with the manufacturing approach of material, for following three kinds of modes one of them:
Mode one includes following steps,
Step 1 is made the high heat radiation of strip diaphragm;
Step 2 is coated with liquid metallic object at an end of height heat radiation diaphragm;
Step 3, cooling treats that the liquid metal body solidifies the back and forms finished product.
Mode two includes following steps:
Step 1 is made the high heat radiation of strip diaphragm;
Step 2 is pressing close to be provided with solid-state metal material at an end of height heat radiation diaphragm;
Step 3 makes metal material be melted in an end of high heat radiation diaphragm after the heating;
Step 4, cooling liquid metal and high heat radiation diaphragm, the liquid metal body is set in an end of high heat radiation diaphragm.
Mode three comprises and having the following steps:
Step 1 is made the high heat radiation of strip diaphragm;
Step 2 heats high heat radiation diaphragm, makes the fusing point of its temperature superelevation metal matter adherend to be adhered to;
Step 3, one section of the height heat radiation diaphragm that last step is obtained is placed on the metal matter adherend to be adhered to, it is carried out heat fused handle;
Step 4, cooling liquid metal and high heat radiation diaphragm, the liquid metal body is set in an end of high heat radiation diaphragm.
Preferably, corresponding to above-mentioned three kinds of manufactures, described high heat dissipation film is high conductive graphite film and graphene film one of which at least.
Preferably, corresponding to above-mentioned three kinds of manufactures, described adherend selection is that fusing point is lower than 1100 degrees centigrade metal material.
Description of drawings
The present invention will be described in more detail below in conjunction with accompanying drawing.
Fig. 1 is the finished product sketch map that a kind of height heat radiation of being convenient to fix of the present invention is coated with material.
Fig. 2 is the finished product schematic cross-section that a kind of height heat radiation of being convenient to fix of the present invention is coated with material.
Fig. 3-1, Fig. 3-2, Fig. 3-3 are respectively three kinds of preparation method's flow charts that height heat radiation that preparation according to the invention is convenient to fix is coated with material.
Embodiment
With reference to the accompanying drawings, in conjunction with specific embodiment the present invention is done further explanation.
Fig. 1 is the finished product sketch map that a kind of height heat radiation of being convenient to fix of the present invention is coated with material.
By knowing among the figure, this height of being convenient to fix heat radiation is coated with material to be made up of two parts, is respectively high heat radiation diaphragm 100 and adherend 200.Adherend 200 is arranged at an end of high heat radiation diaphragm 100, and in the high diaphragm 100 that dispels the heat of a part is coated on.
Wherein, the height heat radiation diaphragm of using among the present invention is the height heat radiation graphite film that utilizes the carbon component made, has very high heat-sinking capability, can reach: 1500～1750W/mK.Should high heat dissipation film after cutting process, process the scope of width and length ratio, be the high heat radiation of the strip diaphragm of 0.01-1.00.
Wherein, described adherend be under the normal temperature solidify attitude, fusing point is lower than 1100 degrees centigrade metal material.Be preferably gold, silver, copper, aluminium, tin, lead, with and alloy.
This height of being convenient to fix heat radiation is coated with material in use, only needs to be positioned at the adherend heating of high heat radiation diaphragm one end, makes it be in molten state, then it is positioned on the heater of required heat radiation.After treating the adherend cooling, be about to high heat radiation diaphragm and heater and adhere to a place, be convenient to high heat dissipation film sheet and help the heater heat radiation.
Fig. 2 is the finished product schematic cross-section that a kind of height heat radiation of being convenient to fix of the present invention is coated with material.
By finding out among the figure, this height of being convenient to fix heat radiation is coated with material except being made up of with adherend 200 two parts height heat radiation diaphragm 100, outside adherend 200, also is coated with scaling powder 300.
Because fixing high heat radiation of the present invention is coated with material in use, need heat adherend, is convenient to it and is transformed into molten state, thereby the height diaphragm that dispels the heat is bonded together with heater.And welding adds one of method of thermal adherend just, for promoting welding process, therefore is provided with scaling powder.
The main component of scaling powder is a rosin, the main effect that scaling powder is set have following some: the oxide-film on reduction mother metal surface, prevent the further oxidation of mother metal in heating process, the effect that reduces surface of molten solder tension force and after heating, play protection mother metal surface.
Simultaneously, also can there be the side effect that causes because of oxide-film in the process of other heating means fusion adherends, thus scaling powder the Fast Heating fusion that main purpose is to be convenient to adherend is set.
Fig. 3-1, Fig. 3-2, Fig. 3-3 are respectively three kinds of preparation method's flow charts that height heat radiation that preparation according to the invention is convenient to fix is coated with material.
Description and specific embodiment below in conjunction with the front are elaborated to it respectively.
Mode one includes following steps:
Step 1 is made the high heat radiation of strip diaphragm;
Described high heat dissipation film is height heat radiation graphite film and graphene film one of which at least, and wherein, what use in the present embodiment is to utilize the height of the carbon component made graphite film that dispels the heat, and has very high heat-sinking capability, can reach: 1500～1750W/mK.Should high heat dissipation film after cutting process, process the scope of width and length ratio, be the high heat radiation of the strip diaphragm 100 of 0.01-1.00.
Step 2 is coated with liquid metallic object at an end of height heat radiation diaphragm;
Described metallic object is meant that normal temperature is solid-state and fusing point is lower than 1100 degrees centigrade metal material, is preferably gold, silver, copper, aluminium, tin, lead, with and alloy.Select scolding tin in the present embodiment for use, i.e. leypewter (tin 63%, plumbous 37%).
In this step,, when it is in a liquid state, the scolding tin drop is applied to an end of high heat radiation diaphragm 100 at first with the scolding tin fusion.
Step 3, cooling treats that the liquid metal body solidifies the back and forms finished product.
This scolding tin drop of sub-cooled, when temperature is lower than the fusing point of scolding tin, promptly temperature is lower than Celsius 183 when spending, and scolding tin is solidified as adherend 200, and height is dispelled the heat in an end of diaphragm 100 is coated on.Promptly process finished product.
Mode two includes following steps:
Step 1 is made the high heat radiation of strip diaphragm;
Described high heat dissipation film is height heat radiation graphite film and graphene film one of which at least, and wherein, what use in the present embodiment is to utilize the height of the carbon component made graphite film that dispels the heat, and has very high heat-sinking capability, can reach: 1500～1750W/mK.Should high heat dissipation film after cutting process, process the scope of width and length ratio, be the high heat radiation of the strip diaphragm 100 of 0.01-1.00.
Step 2 is pressing close to be provided with solid-state metal material at an end of height heat radiation diaphragm;
Described metal material is meant that normal temperature is solid-state and fusing point is lower than 1100 degrees centigrade metal material, is preferably gold, silver, copper, aluminium, tin, lead, with and alloy.Select scolding tin in the present embodiment for use, i.e. leypewter (tin 63%, plumbous 37%).
Step 3 makes metal material be melted in an end of high heat radiation diaphragm after the heating;
Heat scolding tin, when temperature reaches the fusing point of scolding tin, promptly temperature is higher than Celsius 183 when spending, and scolding tin changes molten state into, and a dispel the heat end of diaphragm 100 of height is coated in the scolding tin drop of fusion.
Step 4, cooling liquid metal and high heat radiation diaphragm, the liquid metal body is set in an end of high heat radiation diaphragm.
Sub-cooled, when temperature is lower than the fusing point of scolding tin, promptly temperature is lower than Celsius 183 when spending, and scolding tin is solidified as adherend 200, and height is dispelled the heat in an end of diaphragm 100 is coated on.Promptly process finished product.
Mode three comprises and having the following steps:
Step 1 is made the high heat radiation of strip diaphragm;
Described high heat dissipation film is height heat radiation graphite film and graphene film one of which at least, and wherein, what use in the present embodiment is to utilize the height of the carbon component made graphite film that dispels the heat, and has very high heat-sinking capability, can reach: 1500～1750W/mK.Should high heat dissipation film after cutting process, process the scope of width and length ratio, be the high heat radiation of the strip diaphragm 100 of 0.01-1.00.
Step 2 heats high heat radiation diaphragm, makes the fusing point of its temperature superelevation metal matter adherend to be adhered to;
The described metal matter adherend that adheres to is meant that normal temperature is solid-state and fusing point is lower than 1100 degrees centigrade metal material, is preferably gold, silver, copper, aluminium, tin, lead, with and alloy.Select scolding tin in the present embodiment for use, i.e. leypewter (tin 63%, plumbous 37%).
Therefore, in this step, need the dispel the heat temperature of diaphragm 100 of height is heated to more than fusing point 183 degree Celsius of scolding tin.
Step 3, one section of the height heat radiation diaphragm that last step is obtained is placed on the metal matter adherend to be adhered to, it is carried out heat fused handle;
Choose sizeable solid-state scolding tin, will be positioned on this solid-state scolding tin through an end of the height heat radiation diaphragm 100 after the last step heat treated.Through heat transferred, this solid-state scolding tin changes molten state, and a dispel the heat end of diaphragm 100 of height is coated in this molten state drop.
Step 4, cooling liquid metal and high heat radiation diaphragm, the liquid metal body is set in an end of high heat radiation diaphragm.
Sub-cooled, when temperature is lower than the fusing point of scolding tin, promptly temperature is lower than Celsius 183 when spending, and scolding tin is solidified as adherend 200, and height is dispelled the heat in an end of diaphragm 100 is coated on.Promptly process finished product.
More than be the description of this invention and non-limiting, based on other embodiment of inventive concept, all among protection scope of the present invention.
Claims (14)
1. a height heat radiation of being convenient to fix is coated with material, and it is characterized in that: this is coated with material and includes high heat radiation diaphragm, and the adherend that is arranged on high heat radiation diaphragm one end.
2. a kind of height heat radiation of being convenient to fix according to claim 1 is coated with material, it is characterized in that: described high heat dissipation film is height heat radiation graphite film and graphene film one of which at least.
3. a kind of height heat radiation of being convenient to fix according to claim 1 is coated with material, it is characterized in that: described high heat radiation diaphragm, be strip, and thickness is between the 1-300 micron.
4. a kind of height heat radiation of being convenient to fix according to claim 1 is coated with material, it is characterized in that: described high heat radiation diaphragm is a strip structure, and the scope of its width and length ratio is 0.01-1.00.
5. a kind of height heat radiation of being convenient to fix according to claim 1 is coated with material, and it is characterized in that: at normal temperatures, described adherend is the metallic object that solidifies attitude.
6. a kind of height heat radiation of being convenient to fix according to claim 1 is coated with material, and it is characterized in that: described adherend selection is that fusing point is lower than 1100 degrees centigrade metal material.
7. a kind of height heat radiation of being convenient to fix according to claim 5 is coated with material, and it is characterized in that: described metallic object is gold or silver or copper or aluminium or tin or lead, with and alloy.
8. a kind of height heat radiation of being convenient to fix according to claim 1 is coated with material, it is characterized in that: peripheral at described adherend, be coated with scaling powder.
9. a kind of height heat radiation of being convenient to fix according to claim 8 is coated with material, and it is characterized in that: the peripheral scaling powder that applies of described adherend is a rosin.
10. a height of being convenient to fix dispels the heat and is coated with the manufacturing approach of material, it is characterized in that this method includes following steps:
Step 1 is made the high heat radiation of strip diaphragm;
Step 2 is coated with liquid metallic object at an end of height heat radiation diaphragm;
Step 3, cooling treats that the liquid metal body solidifies the back and forms finished product.
11. a height heat radiation of being convenient to fix is coated with the manufacturing approach of material, it is characterized in that this method includes following steps:
Step 1 is made the high heat radiation of strip diaphragm;
Step 2 is pressing close to be provided with solid-state metal material at an end of height heat radiation diaphragm;
Step 3 makes metal material be melted in an end of high heat radiation diaphragm after the heating;
Step 4, cooling liquid metal and high heat radiation diaphragm, the liquid metal body is set in an end of high heat radiation diaphragm.
12. a height heat radiation of being convenient to fix is coated with the manufacturing approach of material, it is characterized in that this method includes following steps:
Step 1 is made the high heat radiation of strip diaphragm;
Step 2 heats high heat radiation diaphragm, makes the fusing point of its temperature superelevation metal matter adherend to be adhered to;
Step 3, one section of the height heat radiation diaphragm that last step is obtained is placed on the metal matter adherend to be adhered to, it is carried out heat fused handle;
Step 4, cooling liquid metal and high heat radiation diaphragm, the liquid metal body is set in an end of high heat radiation diaphragm.
13. be coated with the manufacturing approach of material according to claim 10 or 11 or 12 described a kind of height heat radiations of being convenient to fix, it is characterized in that: described high heat dissipation film is high conductive graphite film and graphene film one of which at least.
14. be coated with the manufacturing approach of material according to claim 10 or 11 or 12 described a kind of height heat radiations of being convenient to fix, it is characterized in that: described adherend selection is that fusing point is lower than 1100 degrees centigrade metal material.
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| CN201010610298XA CN102569226A (en) | 2010-12-28 | 2010-12-28 | Conveniently fixed high-heat-radiation coating material and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104610925A (en) * | 2015-01-28 | 2015-05-13 | 北京依米康科技发展有限公司 | Graphene and liquid metal composite heat-dissipation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104610925A (en) * | 2015-01-28 | 2015-05-13 | 北京依米康科技发展有限公司 | Graphene and liquid metal composite heat-dissipation method |
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Application publication date: 20120711 |