CN219660241U - Silicone oil-free heat conduction silica gel sheet - Google Patents
Silicone oil-free heat conduction silica gel sheet Download PDFInfo
- Publication number
- CN219660241U CN219660241U CN202320407769.XU CN202320407769U CN219660241U CN 219660241 U CN219660241 U CN 219660241U CN 202320407769 U CN202320407769 U CN 202320407769U CN 219660241 U CN219660241 U CN 219660241U
- Authority
- CN
- China
- Prior art keywords
- heat conduction
- heat
- silica gel
- conducting
- gel sheet
- 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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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 239000000741 silica gel Substances 0.000 title claims abstract description 50
- 229910002027 silica gel Inorganic materials 0.000 title claims abstract description 50
- 229920001296 polysiloxane Polymers 0.000 title claims abstract description 18
- 239000000945 filler Substances 0.000 claims abstract description 18
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 10
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 7
- 239000004917 carbon fiber Substances 0.000 claims description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 229910017083 AlN Inorganic materials 0.000 claims description 3
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 claims description 3
- 239000005909 Kieselgur Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 239000010410 layer Substances 0.000 abstract 2
- 239000011247 coating layer Substances 0.000 abstract 1
- 239000004020 conductor Substances 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 229910002804 graphite Inorganic materials 0.000 description 10
- 239000010439 graphite Substances 0.000 description 10
- 238000009413 insulation Methods 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011231 conductive filler Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Laminated Bodies (AREA)
Abstract
The utility model belongs to the technical field of heat conducting materials, and particularly relates to a silicone oil-free heat conducting silica gel sheet, which comprises a heat conducting silica gel sheet body, wherein a first flexible heat conducting pad, an aluminum nitride covering sheet, diatomite powder, a heat conducting silica gel layer, a heat conducting reinforcing layer, a second flexible heat conducting pad and a heat conducting filler are sequentially stacked and installed from top to bottom, and the middle of each coating is filled with the heat conducting filler. When the heat-conducting silica gel sheet is used, the aluminum nitride covering sheet is arranged, so that the heat-conducting silica gel sheet body insulates current in the heat conduction process, meanwhile, the heat conductivity of the heat-conducting silica gel sheet body cannot be influenced in the process of insulating the current due to the characteristics of the aluminum nitride covering sheet material, the purpose of preventing electric conduction is achieved, heat-insulating work can be effectively carried out in the heat conduction process through the arrangement of the diatomite powder and the heat-conducting filler, and the heat-conducting filler is used for tightly adhering the coating layers, so that the temperature loss is slower, and the purpose of good heat-insulating effect is achieved.
Description
Technical Field
The utility model belongs to the technical field of heat conduction materials, and particularly relates to a silicon oil-free heat conduction silica gel sheet.
Background
A thermally conductive silicone sheet is a sheet that fills the air gap between the heat generating device and the heat sink or metal base, and their flexible, resilient characteristics enable it to be used to cover very uneven surfaces. Heat is conducted from the separate device or the entire PCB to the metal housing or the diffusion plate, thereby improving the efficiency and service life of the heat generating electronic components.
Patent document: CN217985869U, a heat conduction silica gel piece, including first heat conduction silica gel piece layer 1, graphite rete 2 and the second heat conduction silica gel piece layer 3 that from the top down stacks gradually, graphite rete 2 'S shape is flat S type, and the die cavity intussuseption of S type is filled with heat conduction mud layer 4, because graphite rete is excellent in horizontal heat conductivility, and the heat conduction silica gel piece in the vertical heat conductivility is not enough, graphite rete' S shape is flat S type, and the die cavity intussuseption of S type is filled with heat conduction mud layer, because graphite rete is excellent in horizontal heat conductivility, and the heat conductivility is not enough in the vertical, so adopt S type graphite rete in the utility model, heat can be transmitted along S type graphite rete, compare conventional planar graphite membrane structure, this structural design has increased the heat conductivility of heat conduction silica gel piece in the vertical, thereby the heat conductivility of heat conduction silica gel piece has been showing and has been improved.
The device utilizes good heat conductivity of graphite rete and heat conduction copper pipe to improve the heat conductivity of silica gel piece in the in-service use's in-process, but because graphite rete and heat conduction copper pipe all have electric conductivity, can lead to the silica gel piece simultaneously when heat conduction, can make electronic component take place the short circuit when long-time use, and above-mentioned device does not have the heat preservation effect, leads to the temperature to run off too fast, and the heat conduction effect is not good, so need improve it.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides a silicon oil-free heat conduction silica gel sheet which has the characteristics of good electric conduction prevention and heat preservation effects and strong heat conduction.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a no silicon oil heat conduction silica gel piece, includes the heat conduction silica gel piece body, heat conduction silica gel piece body from the top down stacks in proper order installs first flexible heat conduction pad, aluminium nitride cover piece, diatomaceous earth powder, heat conduction silica gel layer, heat conduction enhancement layer, second flexible heat conduction pad, heat conduction filler, and all fills in the middle of every coating has the heat conduction filler, the heat conduction enhancement layer includes the carbon fiber layer, the bottom bonding on carbon fiber layer has C/C combined material.
As a preferable technical scheme of the silicone oil-free heat conduction silica gel sheet, the specification of the heat conduction silica gel sheet body is 2cm x 4cm, and the thickness of the heat conduction silica gel sheet body is 2mm.
As a preferable technical scheme of the silicone oil-free heat conduction silica gel sheet, the thickness of the first flexible heat conduction pad is 600mm, and the raw material of the aluminum nitride cover sheet is aluminum nitride.
As a preferable technical scheme of the silicone oil-free heat-conducting silica gel sheet, the diatomite powder is made of diatomite.
As a preferable technical scheme of the silicone oil-free heat-conducting silica gel sheet, the thickness of the heat-conducting silica gel layer is 400mm.
As a preferable technical scheme of the silicone oil-free heat conduction silica gel sheet, the thickness of the heat conduction reinforcing layer is 300mm, the thickness of the heat conduction filling agent is 100mm, and the thickness of the second flexible heat conduction pad is 600mm.
Compared with the prior art, the utility model has the beneficial effects that:
1. when the heat conducting silica gel sheet is used, the aluminum nitride covering sheet is arranged, so that the heat conducting silica gel sheet body insulates current in the heat conducting process, and meanwhile, the heat conductivity of the heat conducting silica gel sheet body is not influenced in the process of insulating the current due to the characteristics of the aluminum nitride covering sheet material, so that the purpose of preventing electric conduction is achieved;
2. when the heat insulation coating is used, heat insulation work can be effectively carried out during heat conduction through the arrangement of the diatomite powder and the heat conduction filling agent, and the heat conduction filling agent is used for tightly adhering the coatings, so that the temperature loss is slower, and the aim of good heat insulation effect is fulfilled;
3. when the device is used, heat conduction is carried out through materials with good heat conduction effects, such as the first flexible heat conduction pad, the heat conduction silica gel layer, the heat conduction reinforcing layer, the second flexible heat conduction pad and the like, so that the heat conduction performance of the device is greatly improved.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of the appearance structure of the present utility model;
fig. 2 is a schematic side view of the present utility model.
In the figure: 1. a thermally conductive silicone sheet body; 2. a first flexible thermal pad; 3. an aluminum nitride cover sheet; 4. diatomite powder; 5. a thermally conductive silicone layer; 6. a heat conduction reinforcing layer; 61. a carbon fiber layer; 62. C/C composite material; 7. a second flexible thermal pad; 8. and (3) a heat conducting filler.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-2, the present utility model provides the following technical solutions: the silicone oil-free heat conduction silica gel sheet comprises a heat conduction silica gel sheet body 1, wherein a first flexible heat conduction pad 2, an aluminum nitride covering sheet 3, diatomite powder 4, a heat conduction silica gel layer 5, a heat conduction reinforcing layer 6, a second flexible heat conduction pad 7 and a heat conduction filler 8 are sequentially stacked and installed on the heat conduction silica gel sheet body 1 from top to bottom, the middle of each coating is filled with the heat conduction filler 8, the heat conduction reinforcing layer 6 comprises a carbon fiber layer 61, and a C/C composite material 62 is adhered to the bottom of the carbon fiber layer 61.
Example 2
Referring to fig. 1-2, the present utility model provides the following technical solutions: the specification of the heat conduction silica gel sheet body 1 is 2cm x 4cm, and the thickness of the heat conduction silica gel sheet body is 2mm. The thickness of the first flexible heat conduction pad 2 is 600mm, and the raw material of the aluminum nitride cover plate 3 is aluminum nitride. The diatomite powder 4 is made of diatomite. The thickness of the thermally conductive silicone layer 5 was 400mm. The thickness of the heat conduction reinforcing layer 6 is 300mm, the thickness of the heat conduction filler 8 is 100mm, and the thickness of the second flexible heat conduction pad 7 is 600mm.
Through the setting of aluminium nitride covering piece 3, can make heat conduction silica gel piece body 1 in the heat conduction in-process, insulating electric current. The heat conductive filler 8 tightly bonds the coatings, so that the temperature loss is slower. Through setting up of diatomaceous earth 4 and heat conduction filler 8, can carry out heat preservation work effectively when heat conduction, and make closely adhere between the coating through heat conduction filler 8, make the temperature loss slower. The heat conduction is performed through materials with good heat conduction effects, such as the first flexible heat conduction pad 2, the heat conduction silica gel layer 5, the heat conduction reinforcing layer 6, the second flexible heat conduction pad 7 and the like. The first flexible heat conducting pad 2 and the second flexible heat conducting pad 7 are made of silica gel.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The silicon oil-free heat conduction silica gel sheet comprises a heat conduction silica gel sheet body (1), and is characterized in that: the heat conduction silica gel piece body (1) is stacked from the top down in proper order and is installed first flexible heat conduction pad (2), aluminium nitride covering piece (3), diatomaceous earth powder (4), heat conduction silica gel layer (5), heat conduction enhancement layer (6), second flexible heat conduction pad (7), heat conduction filler (8), and all pack in the middle of every coating and have heat conduction filler (8), heat conduction enhancement layer (6) include carbon fiber layer (61), the bottom bonding of carbon fiber layer (61) has C/C combined material (62).
2. The silicone-oil-free heat conductive silicone sheet according to claim 1, wherein: the specification of the heat conduction silica gel piece body (1) is 2cm multiplied by 4cm, and the thickness of the heat conduction silica gel piece body is 2mm.
3. The silicone-oil-free heat conductive silicone sheet according to claim 1, wherein: the thickness of the first flexible heat conduction pad (2) is 600mm, and the raw material of the aluminum nitride covering sheet (3) is aluminum nitride.
4. The silicone-oil-free heat conductive silicone sheet according to claim 1, wherein: the diatomite powder (4) is made of diatomite.
5. The silicone-oil-free heat conductive silicone sheet according to claim 1, wherein: the thickness of the heat-conducting silica gel layer (5) is 400mm.
6. The silicone-oil-free heat conductive silicone sheet according to claim 1, wherein: the thickness of the heat conduction reinforcing layer (6) is 300mm, the thickness of the heat conduction filling agent (8) is 100mm, and the thickness of the second flexible heat conduction pad (7) is 600mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320407769.XU CN219660241U (en) | 2023-03-07 | 2023-03-07 | Silicone oil-free heat conduction silica gel sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320407769.XU CN219660241U (en) | 2023-03-07 | 2023-03-07 | Silicone oil-free heat conduction silica gel sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219660241U true CN219660241U (en) | 2023-09-08 |
Family
ID=87877503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320407769.XU Active CN219660241U (en) | 2023-03-07 | 2023-03-07 | Silicone oil-free heat conduction silica gel sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219660241U (en) |
-
2023
- 2023-03-07 CN CN202320407769.XU patent/CN219660241U/en active Active
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