CN201674745U - Efficient heat radiator - Google Patents
Efficient heat radiator Download PDFInfo
- Publication number
- CN201674745U CN201674745U CN201020104992XU CN201020104992U CN201674745U CN 201674745 U CN201674745 U CN 201674745U CN 201020104992X U CN201020104992X U CN 201020104992XU CN 201020104992 U CN201020104992 U CN 201020104992U CN 201674745 U CN201674745 U CN 201674745U
- Authority
- CN
- China
- Prior art keywords
- heat
- radiating fin
- radiator
- efficiency radiator
- radiating
- 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.)
- Expired - Lifetime
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000010439 graphite Substances 0.000 claims abstract description 15
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 15
- 239000011159 matrix material Substances 0.000 claims abstract description 11
- 239000000758 substrate Substances 0.000 claims description 19
- 239000006185 dispersion Substances 0.000 claims description 8
- HBGPNLPABVUVKZ-POTXQNELSA-N (1r,3as,4s,5ar,5br,7r,7ar,11ar,11br,13as,13br)-4,7-dihydroxy-3a,5a,5b,8,8,11a-hexamethyl-1-prop-1-en-2-yl-2,3,4,5,6,7,7a,10,11,11b,12,13,13a,13b-tetradecahydro-1h-cyclopenta[a]chrysen-9-one Chemical compound C([C@@]12C)CC(=O)C(C)(C)[C@@H]1[C@H](O)C[C@]([C@]1(C)C[C@@H]3O)(C)[C@@H]2CC[C@H]1[C@@H]1[C@]3(C)CC[C@H]1C(=C)C HBGPNLPABVUVKZ-POTXQNELSA-N 0.000 claims description 5
- PFRGGOIBYLYVKM-UHFFFAOYSA-N 15alpha-hydroxylup-20(29)-en-3-one Natural products CC(=C)C1CCC2(C)CC(O)C3(C)C(CCC4C5(C)CCC(=O)C(C)(C)C5CCC34C)C12 PFRGGOIBYLYVKM-UHFFFAOYSA-N 0.000 claims description 5
- SOKRNBGSNZXYIO-UHFFFAOYSA-N Resinone Natural products CC(=C)C1CCC2(C)C(O)CC3(C)C(CCC4C5(C)CCC(=O)C(C)(C)C5CCC34C)C12 SOKRNBGSNZXYIO-UHFFFAOYSA-N 0.000 claims description 5
- 229920005989 resin Polymers 0.000 abstract description 11
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- 230000005855 radiation Effects 0.000 abstract description 7
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 229910052751 metal Inorganic materials 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 229920002521 macromolecule Polymers 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 4
- 229920001187 thermosetting polymer Polymers 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
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- 229920005992 thermoplastic resin Polymers 0.000 description 2
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- 229910052582 BN Inorganic materials 0.000 description 1
- 229920002799 BoPET Polymers 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- -1 Lauxite Polymers 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 235000012241 calcium silicate Nutrition 0.000 description 1
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- IJKVHSBPTUYDLN-UHFFFAOYSA-N dihydroxy(oxo)silane Chemical compound O[Si](O)=O IJKVHSBPTUYDLN-UHFFFAOYSA-N 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
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- 238000002347 injection Methods 0.000 description 1
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- 239000000395 magnesium oxide Substances 0.000 description 1
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- 239000011733 molybdenum Substances 0.000 description 1
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- 229920001568 phenolic resin Polymers 0.000 description 1
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- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical compound C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Images
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- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The utility model discloses an efficient heat radiator which comprises a heat radiation base plate and a plurality of heat radiation fins on the heat radiation base plate. The heat radiation fins and the heat radiation base plate are integrally injection-molded by graphite fiber and matrix resin. Particularly, the ground graphite fiber and the matrix resin are integrally injection-molded. Firstly, the efficient heat radiator is integrally injection-molded by macromolecule composite materials without adopting non-ferrous metal, so that the manufacturing cost is reduced, and resources are also saved and can be reused; and the structures of interior materials can be adjusted during the injection molding process according to the process to control the heat radiation performance.
Description
Technical field
The utility model relates to a kind of heat dissipation equipment of electronic devices and components, is specifically related to a kind of light efficient radiator that has adopted polymer composite.
Background technology
Radiator is widely used in computer, notebook computer, LED illumination, communication, rectifier, fields such as medical treatment and industrial equipment, and the traditional heat-dissipating device generally adopts manufacture of materials radiators such as aluminium, aluminium alloy, copper, pottery.But along with the expansion of electronics, electric equipment range of application with popularize, performance and structural requirement to electronic electric equipment are more and more harsher, become increasingly complex, comprise that requirement possesses higher processing speed, higher processing frequency, littler volume, lighter weight, higher power and other technological merit.For example in electronics, electric component and system, all can produce very high heat in microprocessor in the perhaps high-power optics and the integrated circuit, but microprocessor, integrated circuit and other electronic devices and components usually can only effectively normal operations in limited temperature range.If the heat that these electronic devices and components produce surpasses the scope that allows, not only their self performance are impacted, and may cause immeasurable infringement with stable, thereby cause the collapse of system the performance of whole system.
This just proposes strict requirement to the heat dissipation equipment in the electronic devices and components, along with electronic devices and components microminiaturization, light-weighted requirement are improved constantly, and to radiating control in the miniature electronic components and parts and heat dissipation design increasingly stringent, so that harsh.As everyone knows, the temperature of the performance of electronic electric equipment, reliability and life-span and the running environment relation of being inversely proportional to.For example, in the high power LED module, the raising of substrate radiating rate can improve the stability of brightness, life-span and the operation of LED greatly.Therefore, performance and stability in order to improve electronic devices and components and system thereof prolong its useful life, reduce the ambient temperature of operation or increase the temperature range of normal stable operation of crucial importance.
But the radiator of prior art generally adopts materials such as aluminium, aluminium alloy, copper to make, and the principle of this radiator is by nonferrous materialss such as copper, aluminium, aluminium alloys heat absorption to be dispersed in the surrounding environment then.
This radiator generally all has radiator shutter and fan, the forced convertion of heat eliminating medium between the radiator shutter (for example air) is reached the purpose of heat radiation by fan.
But mainly there is following defective in these prior aries:
The first, because non-ferrous metal density is bigger, for example, the density of copper is 8.96g/cm
3, aluminium be 2.7g/cm
3, therefore the heatsink weight of making is bigger.Weight is crossed conference the design and the manufacturing of electronics and device is brought very big difficulty, for example may cause the chip rupture that combines with radiator etc., and increases the weight of components and parts self.For portable set, especially need to solve contradiction to weight and heat dispersion.
The second, the radiator of prior art is because the heat sinking function of unit limitation, and it is big therefore to take up room, and electronic devices and components are to space requirement when harsh, because the conductive coefficient of traditional radiator is limited, and also non-adjustable.Therefore can not adapt to the more and more littler requirement of electronic devices and components volume.
The 3rd, the radiator base plate of prior art is because non-ferrous metal not, differing of its thermal coefficient of expansion and electronic devices and components chip is too big, when variations in temperature is big, cause chip rupture easily, produce flaw and luminous efficiency and reduce, cause luminous efficiency and life-span to be had a greatly reduced quality, can not reach high power, long-life specification requirement.
The utility model content
At above-mentioned defective, the purpose of this utility model provides a kind of high-efficiency radiator, and to solve the radiator of prior art, volume is big, the weight height, and heat dispersion is relatively poor, and the cost technical problems of high.
For achieving the above object, the utility model has adopted following technical scheme:
A kind of high-efficiency radiator comprises: a plurality of radiating fins on heat-radiating substrate and the heat dispersion substrate, those radiating fins and described heat-radiating substrate are that graphite fibre and matrix resin one are molded.
According to the described high-efficiency radiator of the utility model preferred embodiment, described radiating fin and described heat-radiating substrate are molded for graphite fibre and matrix resin one after grinding.
According to the described high-efficiency radiator of the utility model preferred embodiment, described radiating fin be tubulose, sheet or acicular texture one of them.
According to the described high-efficiency radiator of the utility model preferred embodiment, described radiating fin and described heat-radiating substrate vertical arrangement.
According to the described high-efficiency radiator of the utility model preferred embodiment, described radiating fin and described heat-radiating substrate are the angle less than 90 degree.
According to the described high-efficiency radiator of the utility model preferred embodiment, described radiating fin is a tubular structure, and there is louvre in central authorities, and those louvres are one of square, circular or other geometry.
According to the described high-efficiency radiator of the utility model preferred embodiment, described radiating fin is crooked laminated structure.
According to the described high-efficiency radiator of the utility model preferred embodiment, described radiating fin is straight laminated structure.
According to the described high-efficiency radiator of the utility model preferred embodiment, described radiating fin is upright acicular texture.
According to the described high-efficiency radiator of the utility model preferred embodiment, described radiating fin is crooked acicular texture.
Owing to adopted above technical characterictic, make the utility model than prior art, have following advantage and good effect:
At first, the utility model adopts the moulding of polymer composite integrated through injection molding, need not adopt non-ferrous metal, not only reduced manufacturing cost, can also economize on resources, recycling, in injection moulding process, can also adjust the structure of its internal material according to technology, the control heat dispersion;
Secondly, the utility model can be by the structure of radiating fin, and position and the angle arrangement mode of radiating fin on heat-radiating substrate, and CONTROL VOLUME increases area of dissipation, improves the heat dispersion of radiator.
Description of drawings
Fig. 1 is the schematic diagram of a kind of embodiment of the utility model;
Fig. 2 is a cutaway view of the present utility model;
Embodiment
Below in conjunction with accompanying drawing, the utility model is done further detailed narration.
Core concept of the present utility model is, with graphite fibre and complex matrix resin evenly after the mediation, again according to the characteristic of thermosetting or thermoplastic, according to the fluid mechanics designing mould, injection moulding is the radiator that structure can increase area of dissipation especially, with the raising radiating effect, and reduces cost.
Please refer to Fig. 1, be structural representation of the present utility model, as seen it comprises heat-radiating substrate 1 and the radiating fin 2 that is fixed on the heat-radiating substrate, and those radiating fins 2 are that graphite fibre and matrix resin one are molded with described heat-radiating substrate 1.
The fiber material of wherein making the heating panel device can be the graphite short fiber, also can be the graphite long fibre, and wherein the graphite short fiber is to grind after short the cutting again, and grinds the back and evenly mixes with matrix resin, carries out injection mo(u)lding afterwards.
If adopt the graphite long fibre, then the graphite long fibre is woven into felt or dry goods long fibre through high molecule spinning technology, then in weaving, promptly determined arranging of fiber, the anisotropy on the physical property of control fiber is regulated heat dissipation direction and thermal conductivity coefficient.
And matrix resin then can be a thermosetting resin, also can be thermoplastic resin, can also be rubber-like or other resins.
If adopt thermoplastic resin to combine, then need the screw extruder extruding pelletization, then injection moulding with grinding short fiber, the mould of fluid mechanics design, can control the flow direction of composite material, so the situation of arranging of decision short fiber, the performance characteristics of final decision radiator.
And heat cured resin combines with the grinding short fiber, ground graphite fibre and matrix resin for example epoxy resin, acrylic resin, Lauxite, phenolic resins, mylar etc. mix according to a certain percentage, and then as required, the field-hardened agent obtains needed composite material; Cast or flood deployed same with thermosetting compound material, heating or normal temperature cure on mould that processes or the precast body made.
If adopt the graphite long fibre, from before preparation, all want to design drawing according to the thermal technology's requirement of different electronic devices and components and the fluid mechanics of composite material with CAD earlier, then die sinking or carry out precast body as raw material.Cast or flood deployed resin on mould that processes or the precast body made (if adopt prepreg, then do not need cast or impregnating resin), heating or normal temperature cure, heating-up temperature generally surpass 120 ℃, and scope is controlled between 120 ℃～240 ℃.If desired, also to carry out vacuum heat or hot-pressing processing.Before solidifying, as required, may also need to carry out the guiding processing that ultrasonic guidance or other electrochemistry and physical method (need list restriction) carry out fiber.This process generally requires fiber content to surpass 50Vol%.When making the same with thermosetting compound material radiator, according to specific requirement, can add some auxiliary materials, for example ceramic fibre, quartz fibre, fibre length is in 0.10～6mm scope, in perhaps zirconia, boron nitride, carborundum, magnesia powder and natural mineral fiber such as metasilicic acid fiber, calcium silicates aluminum fiber, aluminium oxide are had jurisdiction over etc., these auxiliary materials also can be metal-powders such as copper, aluminium, silver, tungsten, molybdenum, thereby reach the purpose of the thermal conductivity coefficient of adjusting radiator.
The utility model is that complete pattern tool is processed, so mold design determined the shape of radiating fin, can be according to the actual requirements, with radiating fin be designed to tubulose, sheet or acicular texture one of them.
Radiating fin can with described heat-radiating substrate vertical arrangement, also can be less than 90 the degree angle.
When radiating fin was tubular structure, there was louvre in central authorities at tubular structure, and those louvres are one of square, circular or other geometry.
When radiating fin is laminated structure, can be crooked laminated structure, also can be straight laminated structure.
Radiating fin is upright acicular texture, and for example cone shape or the like promptly can be upright, also can be crooked, or even spiral.
In sum, the utility model has following advantage and good effect than prior art:
At first, the utility model adopts the moulding of polymer composite integrated through injection molding, need not adopt non-ferrous metal, not only reduced manufacturing cost, can also economize on resources, recycling, in injection moulding process, can also adjust the structure of its internal material according to technology, the control heat dispersion;
Secondly, the utility model can be by the structure of radiating fin, and position and the angle arrangement mode of radiating fin on heat-radiating substrate, and CONTROL VOLUME increases area of dissipation, improves the heat dispersion of radiator.
More than disclosed only be preferred embodiment of the present utility model, but be not construed as limiting, anyly have the knack of those skilled in the art, in spiritual connotation of the present utility model, the equalization of being done changes, and all should drop in the protection range of the present utility model.
Claims (10)
1. a high-efficiency radiator is characterized in that, comprising: a plurality of radiating fins on heat-radiating substrate and the heat dispersion substrate, those radiating fins and described heat-radiating substrate are that graphite fibre and matrix resin one are molded.
2. high-efficiency radiator as claimed in claim 1 is characterized in that, described radiating fin and described heat-radiating substrate are molded for graphite fibre and matrix resin one after grinding.
3. high-efficiency radiator as claimed in claim 1 is characterized in that, described radiating fin be tubulose, sheet or acicular texture one of them.
4. high-efficiency radiator as claimed in claim 1 is characterized in that, described radiating fin and described heat-radiating substrate vertical arrangement.
5. high-efficiency radiator as claimed in claim 1 is characterized in that, described radiating fin and described heat-radiating substrate are the angle less than 90 degree.
6. high-efficiency radiator as claimed in claim 1 is characterized in that described radiating fin is a tubular structure, and there is louvre in central authorities, and those louvres are square or circular.
7. high-efficiency radiator as claimed in claim 1 is characterized in that, described radiating fin is crooked laminated structure.
8. high-efficiency radiator as claimed in claim 1 is characterized in that, described radiating fin is straight laminated structure.
9. high-efficiency radiator as claimed in claim 1 is characterized in that, described radiating fin is upright acicular texture.
10. high-efficiency radiator as claimed in claim 1 is characterized in that, described radiating fin is crooked acicular texture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020104992XU CN201674745U (en) | 2010-01-29 | 2010-01-29 | Efficient heat radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020104992XU CN201674745U (en) | 2010-01-29 | 2010-01-29 | Efficient heat radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201674745U true CN201674745U (en) | 2010-12-15 |
Family
ID=43332151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020104992XU Expired - Lifetime CN201674745U (en) | 2010-01-29 | 2010-01-29 | Efficient heat radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201674745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112153879A (en) * | 2020-10-27 | 2020-12-29 | 厦门凯纳石墨烯技术股份有限公司 | Combined radiator |
-
2010
- 2010-01-29 CN CN201020104992XU patent/CN201674745U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112153879A (en) * | 2020-10-27 | 2020-12-29 | 厦门凯纳石墨烯技术股份有限公司 | Combined radiator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180411 Address after: 201516, room 64, No. 95, Lane 110, Hua Hua highway, Jinshan District, Shanghai Patentee after: Shanghai Qi Jie Carbon Materials Co., Ltd. Address before: 201108 room 18, No. 555, Lane 402, Shen Bei Road, Shanghai, Minhang District Patentee before: Qiu Jing |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101215 |
|
| CX01 | Expiry of patent term |