CN207733169U - A thermally conductive sheet with improved structure - Google Patents
A thermally conductive sheet with improved structure Download PDFInfo
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- CN207733169U CN207733169U CN201820040797.1U CN201820040797U CN207733169U CN 207733169 U CN207733169 U CN 207733169U CN 201820040797 U CN201820040797 U CN 201820040797U CN 207733169 U CN207733169 U CN 207733169U
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- Prior art keywords
- adhesive layer
- thermally conductive
- layer
- conductive adhesive
- heat
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- 239000012790 adhesive layer Substances 0.000 claims abstract description 95
- 239000010410 layer Substances 0.000 claims abstract description 38
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 24
- 229920000642 polymer Polymers 0.000 claims abstract description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000011241 protective layer Substances 0.000 claims abstract description 21
- 239000003973 paint Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 9
- 239000003292 glue Substances 0.000 abstract 6
- 230000017525 heat dissipation Effects 0.000 description 5
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Laminated Bodies (AREA)
Abstract
Description
技术领域technical field
本实用新型涉及导热片技术领域，尤其涉及一种结构改良的导热片。The utility model relates to the technical field of heat conduction sheets, in particular to a heat conduction sheet with improved structure.
背景技术Background technique
导热片是一种具有导热、绝缘效果的片材结构，其用于功率器件与散热片或外壳之间起导热绝缘作用；对导热要求比较严格的行业，例如LED灯、汽车电子、电源、PDP/LED平板电视、通讯、家电以及医疗设备、军事设施、飞机、水利设备等，一般采用导热片来实现导热散热。Heat conduction sheet is a sheet structure with heat conduction and insulation effects, which is used for heat conduction and insulation between power devices and heat sinks or shells; industries with strict heat conduction requirements, such as LED lights, automotive electronics, power supplies, PDP /LED flat-panel TVs, communications, home appliances, medical equipment, military facilities, aircraft, water conservancy equipment, etc., generally use heat conduction sheets to achieve heat conduction and heat dissipation.
其中，现有技术中存在形式各样的导热片产品；然而，对于现有的导热片产品而言，在设计的使用过程中，普遍存在设计不合理、导热散热效果较差的缺陷。Among them, there are various forms of heat conduction sheet products in the prior art; however, for the existing heat conduction sheet products, in the design and use process, there are generally defects of unreasonable design and poor heat conduction and heat dissipation effects.
实用新型内容Utility model content
本实用新型的目的在于针对现有技术的不足而提供一种结构改良的导热片，该结构改良的导热片设计新颖、导热散热效果好。The purpose of the utility model is to provide a heat conduction sheet with an improved structure in view of the deficiencies of the prior art. The heat conduction sheet with the improved structure is novel in design and has good heat conduction and heat dissipation effects.
为达到上述目的，本实用新型通过以下技术方案来实现。In order to achieve the above object, the utility model is realized through the following technical solutions.
一种结构改良的导热片，包括有第一导热胶层、第二导热胶层，第一导热胶层位于第二导热胶层的上端侧且第一导热胶层与第二导热胶层间隔布置；A thermally conductive sheet with improved structure, including a first thermally conductive adhesive layer and a second thermally conductive adhesive layer, the first thermally conductive adhesive layer is located on the upper end side of the second thermally conductive adhesive layer, and the first thermally conductive adhesive layer and the second thermally conductive adhesive layer are arranged at intervals ;
第一导热胶层与第二导热胶层之间设置有石墨烯层，第一导热胶层、石墨烯层以及第二导热胶层从上至下依次层叠布置，第一导热胶层的下表面与石墨烯层的上表面连接，石墨烯层的下表面与第二导热胶层的上表面连接；A graphene layer is arranged between the first thermally conductive adhesive layer and the second thermally conductive adhesive layer, and the first thermally conductive adhesive layer, the graphene layer, and the second thermally conductive adhesive layer are stacked sequentially from top to bottom, and the lower surface of the first thermally conductive adhesive layer It is connected with the upper surface of the graphene layer, and the lower surface of the graphene layer is connected with the upper surface of the second thermally conductive adhesive layer;
第一导热胶层的上端侧设置有高分子防护层，高分子防护层的下表面与第一导热胶层的上表面连接；A polymer protective layer is provided on the upper end side of the first thermally conductive adhesive layer, and the lower surface of the polymeric protective layer is connected to the upper surface of the first thermally conductive adhesive layer;
第二导热胶层的下端侧设置有双面胶层，双面胶层的上表面与第二导热胶层的下表面连接。A double-sided adhesive layer is provided on the lower end side of the second thermally conductive adhesive layer, and the upper surface of the double-sided adhesive layer is connected to the lower surface of the second thermally conductive adhesive layer.
其中，所述高分子防护层为高分子PI膜层。Wherein, the polymer protective layer is a polymer PI film layer.
其中，所述高分子防护层的上表面涂覆有反射涂料层。Wherein, the upper surface of the polymer protective layer is coated with a reflective paint layer.
本实用新型的有益效果为：本实用新型所述的一种结构改良的导热片，其包括有第一导热胶层、第二导热胶层，第一导热胶层位于第二导热胶层的上端侧且第一导热胶层与第二导热胶层间隔布置；第一导热胶层与第二导热胶层之间设置有石墨烯层，第一导热胶层、石墨烯层以及第二导热胶层从上至下依次层叠布置，第一导热胶层的下表面与石墨烯层的上表面连接，石墨烯层的下表面与第二导热胶层的上表面连接；第一导热胶层的上端侧设置有高分子防护层，高分子防护层的下表面与第一导热胶层的上表面连接；第二导热胶层的下端侧设置有双面胶层，双面胶层的上表面与第二导热胶层的下表面连接。通过上述结构设计，本实用新型具有设计新颖、导热散热效果好的优点。The beneficial effects of the utility model are: a thermally conductive sheet with improved structure described in the utility model, which includes a first thermally conductive adhesive layer and a second thermally conductive adhesive layer, the first thermally conductive adhesive layer is located at the upper end of the second thermally conductive adhesive layer Side and the first thermally conductive adhesive layer and the second thermally conductive adhesive layer are arranged at intervals; a graphene layer is arranged between the first thermally conductive adhesive layer and the second thermally conductive adhesive layer, the first thermally conductive adhesive layer, the graphene layer and the second thermally conductive adhesive layer Arranged sequentially from top to bottom, the lower surface of the first thermally conductive adhesive layer is connected to the upper surface of the graphene layer, and the lower surface of the graphene layer is connected to the upper surface of the second thermally conductive adhesive layer; the upper end side of the first thermally conductive adhesive layer A polymer protective layer is provided, and the lower surface of the polymer protective layer is connected to the upper surface of the first thermally conductive adhesive layer; the lower end side of the second thermally conductive adhesive layer is provided with a double-sided adhesive layer, and the upper surface of the double-sided adhesive layer is connected to the second The lower surface of the thermally conductive adhesive layer is connected. Through the above structural design, the utility model has the advantages of novel design and good heat conduction and heat dissipation effects.
附图说明Description of drawings
下面利用附图来对本实用新型进行进一步的说明，但是附图中的实施例不构成对本实用新型的任何限制。The utility model is further described below using the drawings, but the embodiments in the drawings do not constitute any limitation to the utility model.
图1为本实用新型的结构示意图。Fig. 1 is the structural representation of the utility model.
在图1中包括有：In Figure 1 are included:
1——高分子防护层 2——第一导热胶层1——Polymer protective layer 2——The first thermally conductive adhesive layer
3——石墨烯层 4——第二导热胶层3——Graphene layer 4——The second thermal conductive adhesive layer
5——双面胶层。5——Double-sided adhesive layer.
具体实施方式Detailed ways
下面结合具体的实施方式来对本实用新型进行说明。The utility model will be described below in conjunction with specific embodiments.
如图1所示，一种结构改良的导热片，包括有第一导热胶层2、第二导热胶层4，第一导热胶层2位于第二导热胶层4的上端侧且第一导热胶层2与第二导热胶层4间隔布置。As shown in Figure 1, a thermally conductive sheet with improved structure includes a first thermally conductive adhesive layer 2 and a second thermally conductive adhesive layer 4, the first thermally conductive adhesive layer 2 is located on the upper end side of the second thermally conductive adhesive layer 4 and the first thermally conductive adhesive layer The adhesive layer 2 and the second thermally conductive adhesive layer 4 are spaced apart.
其中，第一导热胶层2与第二导热胶层4之间设置有石墨烯层3，第一导热胶层2、石墨烯层3以及第二导热胶层4从上至下依次层叠布置，第一导热胶层2的下表面与石墨烯层3的上表面连接，石墨烯层3的下表面与第二导热胶层4的上表面连接。Wherein, a graphene layer 3 is arranged between the first thermally conductive adhesive layer 2 and the second thermally conductive adhesive layer 4, and the first thermally conductive adhesive layer 2, the graphene layer 3, and the second thermally conductive adhesive layer 4 are sequentially stacked and arranged from top to bottom, The lower surface of the first thermally conductive adhesive layer 2 is connected to the upper surface of the graphene layer 3 , and the lower surface of the graphene layer 3 is connected to the upper surface of the second thermally conductive adhesive layer 4 .
进一步的，第一导热胶层2的上端侧设置有高分子防护层1，高分子防护层1的下表面与第一导热胶层2的上表面连接。Further, the upper end side of the first thermally conductive adhesive layer 2 is provided with a polymer protective layer 1 , and the lower surface of the polymer protective layer 1 is connected to the upper surface of the first thermally conductive adhesive layer 2 .
更进一步的，第二导热胶层4的下端侧设置有双面胶层5，双面胶层5的上表面与第二导热胶层4的下表面连接。Furthermore, a double-sided adhesive layer 5 is provided on the lower end of the second thermally conductive adhesive layer 4 , and the upper surface of the double-sided adhesive layer 5 is connected to the lower surface of the second thermally conductive adhesive layer 4 .
需进一步指出，高分子防护层1为高分子PI膜层。It should be further pointed out that the polymer protective layer 1 is a polymer PI film layer.
另外，高分子防护层1的上表面涂覆有反射涂料层。In addition, the upper surface of the polymer protection layer 1 is coated with a reflective paint layer.
需进一步解释，本实用新型的双面胶层5作为导热片的底层结构，且双面胶层5用于实现固定连接作用，使用时，本实用新型的导热片通过双面胶层5粘接固定于相应的安装面。It needs to be further explained that the double-sided adhesive layer 5 of the utility model is used as the underlying structure of the heat conduction sheet, and the double-sided adhesive layer 5 is used to realize the fixed connection function. fixed to the corresponding mounting surface.
对于本实用新型的第一导热胶层2、第二导热胶层4而言，其分别用于实现导热作用，且第一导热胶层2还用于实现高分子防护层1与石墨烯层3之间的粘性连接，第二导热胶层4用于实现石墨烯层3与双面胶层5之间的粘性连接。For the first thermally conductive adhesive layer 2 and the second thermally conductive adhesive layer 4 of the present invention, they are respectively used to realize heat conduction, and the first thermally conductive adhesive layer 2 is also used to realize the polymer protective layer 1 and the graphene layer 3 The second thermally conductive adhesive layer 4 is used to realize the adhesive connection between the graphene layer 3 and the double-sided adhesive layer 5 .
对于本实用新型的石墨烯层3而言，其具有增强导热的效果，进而增强导热性能。For the graphene layer 3 of the present invention, it has the effect of enhancing heat conduction, thereby enhancing heat conduction performance.
还有就是，对于本实用新型的高分子防护层1而言，其作为导热片的表面结构，且本实用新型的高分子防护层1采用高分子PI材料制备而成，该高分子防护层1具有酸碱防护效果。另外，对于涂覆于高分子防护层1表面的反射涂料层而言，其具有具有一定的辐射反射作用，即能够有效地避免外部热量传导至导热片。In addition, for the polymer protective layer 1 of the present invention, it is used as the surface structure of the heat conducting sheet, and the polymer protective layer 1 of the present invention is prepared from a polymer PI material, and the polymer protective layer 1 It has the effect of acid and alkali protection. In addition, for the reflective paint layer coated on the surface of the polymer protective layer 1 , it has a certain radiation reflection effect, that is, it can effectively prevent external heat from being conducted to the heat conducting sheet.
综合上述情况可知，通过上述结构设计，本实用新型具有设计新颖、导热散热效果好的优点。Based on the above circumstances, it can be seen that through the above structural design, the utility model has the advantages of novel design and good heat conduction and heat dissipation effects.
以上内容仅为本实用新型的较佳实施例，对于本领域的普通技术人员，依据本实用新型的思想，在具体实施方式及应用范围上均会有改变之处，本说明书内容不应理解为对本实用新型的限制。The above content is only a preferred embodiment of the present utility model. For those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation and scope of application. The content of this specification should not be understood as Limitations on the Invention.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820040797.1U CN207733169U (en) | 2018-01-11 | 2018-01-11 | A thermally conductive sheet with improved structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820040797.1U CN207733169U (en) | 2018-01-11 | 2018-01-11 | A thermally conductive sheet with improved structure |
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| CN201820040797.1U Expired - Fee Related CN207733169U (en) | 2018-01-11 | 2018-01-11 | A thermally conductive sheet with improved structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374765A (en) * | 2021-06-04 | 2021-09-10 | 上海复合材料科技有限公司 | High-heat-conductivity flexible structure and connecting method |
| CN115151113A (en) * | 2022-07-27 | 2022-10-04 | 中国航空无线电电子研究所 | Compound high-efficient radiating machine of carrying of graphite alkene carries avionics machine case |
-
2018
- 2018-01-11 CN CN201820040797.1U patent/CN207733169U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374765A (en) * | 2021-06-04 | 2021-09-10 | 上海复合材料科技有限公司 | High-heat-conductivity flexible structure and connecting method |
| CN115151113A (en) * | 2022-07-27 | 2022-10-04 | 中国航空无线电电子研究所 | Compound high-efficient radiating machine of carrying of graphite alkene carries avionics machine case |
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Granted publication date: 20180814 Termination date: 20220111 |