CN213472392U - Flexible graphite heat conduction strip - Google Patents

Flexible graphite heat conduction strip Download PDF

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CN213472392U
CN213472392U CN202021964870.8U CN202021964870U CN213472392U CN 213472392 U CN213472392 U CN 213472392U CN 202021964870 U CN202021964870 U CN 202021964870U CN 213472392 U CN213472392 U CN 213472392U
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heat
layer
conducting
sided adhesive
double
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刘宝兵
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Changzhou Jintan Carbon Valley New Material Technology Co Ltd
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Changzhou Jintan Carbon Valley New Material Technology Co Ltd
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Abstract

The application discloses a flexible graphite heat conduction strip which comprises a natural graphite layer, a first heat conduction double-sided adhesive layer, a copper foil layer, a second heat conduction double-sided adhesive layer, a heat conduction silica gel film layer, a third heat conduction double-sided adhesive layer, a heat conduction graphite layer and a heat dissipation strip; the bottom surface of the natural graphite layer is bonded with the top surface of the first heat-conducting double-sided adhesive tape layer, the bottom surface of the first heat-conducting double-sided adhesive tape layer is bonded with the top surface of the copper foil layer, the bottom surface of the copper foil layer is bonded with the top surface of the second heat-conducting double-sided adhesive tape layer, the bottom surface of the second heat-conducting double-sided adhesive tape layer is bonded with the top surface of the heat-conducting silica gel film layer, the bottom side of the heat-conducting silica gel film layer is bonded with the top surface of the third heat-conducting double-sided adhesive tape layer, the bottom side of the third heat-conducting double-sided adhesive tape layer is bonded with the top surface of the heat. The flexible graphite heat conducting strip is novel in design and simple in structure.

Description

Flexible graphite heat conduction strip
Technical Field
The application relates to a graphite heat conduction strip, in particular to a flexible graphite heat conduction strip.
Background
Thermal conduction generally refers to conductive heat transfer; when relative displacement does not occur between each part of the object, heat energy transfer generated by the thermal motion of molecules, atoms, free electrons and other microscopic particles is called conductive heat transfer, which is called heat conduction for short; for example, heat transfer from a higher temperature portion to a lower temperature portion within a solid, and heat transfer from a higher temperature solid to another lower temperature solid in contact therewith, are both heat conduction phenomena; conductive heat transfer is one of three basic ways of thermal energy transfer, and the other two ways are convective heat transfer and radiative heat transfer.
There are a lot of problems in the use of graphite heat conduction strip, if some graphite heat conduction strip structures are comparatively simple now, influence the heat conduction effect of graphite heat conduction strip, and then influence heat-radiating equipment's radiating effect, reduce the practicality of graphite heat conduction strip, influence the use. Therefore, a flexible graphite heat conduction strip is provided to solve the above problems.
Disclosure of Invention
A flexible graphite heat conduction strip comprises a natural graphite layer, a first heat conduction double-sided adhesive layer, a copper foil layer, a second heat conduction double-sided adhesive layer, a heat conduction silica gel film layer, a third heat conduction double-sided adhesive layer, a heat conduction graphite sheet layer and a heat dissipation strip; the bottom surface of the natural graphite layer is bonded with the top surface of the first heat-conducting double-sided adhesive tape layer, the bottom surface of the first heat-conducting double-sided adhesive tape layer is bonded with the top surface of the copper foil layer, the bottom surface of the copper foil layer is bonded with the top surface of the second heat-conducting double-sided adhesive tape layer, the bottom surface of the second heat-conducting double-sided adhesive tape layer is bonded with the top surface of the heat-conducting silica gel film layer, the bottom side of the heat-conducting silica gel film layer is bonded with the top surface of the third heat-conducting double-sided adhesive tape layer, the bottom side of the third heat-conducting double-sided adhesive tape layer is bonded with the top surface of the heat-conducting graphite sheet layer, a through hole is formed in the bottom surface of the heat-conducting graphite sheet.
Furthermore, the number of the through holes is a plurality, and the through holes are uniformly distributed on the surface of the heat-conducting graphite sheet.
Furthermore, the number of the through holes is equal to that of the heat dissipation strips, and the through holes and the heat dissipation strips are coaxially arranged.
Further, the natural graphite layer is four times as thick as the copper foil layer.
Further, the thickness of the copper foil layer is twice that of the heat-conducting silica gel film layer.
Further, the thickness of the heat-conducting silica gel film layer is one fifth of that of the heat-conducting graphite sheet layer.
The beneficial effect of this application is: the application provides a flexible graphite heat conduction strip with good heat conduction effect.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic overall perspective view of an embodiment of the present application;
FIG. 2 is a schematic diagram of the overall structure of an embodiment of the present application;
fig. 3 is a schematic view of a bottom surface side structure of a thermally conductive graphite sheet layer according to an embodiment of the present application.
In the figure: 1. natural graphite layer, 2, first heat conduction double-sided adhesive layer, 3, copper foil layer, 4, second heat conduction double-sided adhesive layer, 5, heat conduction silica gel thin layer, 6, third heat conduction double-sided adhesive layer, 7, heat conduction graphite lamella, 701, through-hole, 8, heat dissipation strip.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1-3, a flexible graphite heat conduction strip includes a natural graphite layer 1, a first heat conduction double-sided adhesive layer 2, a copper foil layer 3, a second heat conduction double-sided adhesive layer 4, a heat conduction silica gel thin film layer 5, a third heat conduction double-sided adhesive layer 6, a heat conduction graphite sheet layer 7, and a heat dissipation strip 8; the bottom surface of the natural graphite layer 1 is bonded with the top surface of the first heat-conducting double-sided adhesive layer 2, the bottom surface of the first heat-conducting double-sided adhesive layer 2 is bonded with the top surface of the copper foil layer 3, the bottom surface of the copper foil layer 3 is bonded with the top surface of the second heat-conducting double-sided adhesive layer 4, the bottom surface of the second heat-conducting double-sided adhesive layer 4 is bonded with the top surface of the heat-conducting silica gel thin layer 5, the bottom surface of the heat-conducting silica gel thin layer 5 is bonded with the top surface of the third heat-conducting double-sided adhesive layer 6, the bottom surface of the third heat-conducting double-sided adhesive layer 6 is bonded with the top surface of the heat-conducting graphite sheet layer 7, a through hole 701 is formed in the bottom surface of the heat-conducting graphite sheet 7, a heat.
The number of the through holes 701 is several, and the through holes 701 are uniformly distributed on the surface of the heat-conducting graphite sheet layer 7, so that the through holes 701 are compact in placement and convenient to use; the number of the through holes 701 is equal to that of the heat dissipation strips 8, and the through holes 701 and the heat dissipation strips 8 are coaxially arranged, so that the heat dissipation effect of the heat conduction strips is improved; the thickness of the natural graphite layer 1 is four times that of the copper foil layer 3, and the arranged copper foil layer 3 is convenient for leading out heat, so that the heat conduction effect is improved; the thickness of the copper foil layer 3 is twice that of the heat-conducting silica gel thin film layer 5, and the integral heat-conducting effect of the heat-conducting strip is further improved under the action of the arranged heat-conducting silica gel thin film layer 5; the thickness of the heat-conducting silica gel film layer 5 is one fifth of that of the heat-conducting graphite sheet layer 7, so that the heat-conducting silica gel film layer is convenient to use.
When the heat conducting strip is used, the bottom side surface of a natural graphite layer 1 is bonded with a copper foil layer 3 through a first heat conducting double-sided adhesive layer 2, so that the stable placement of the copper foil layer 3 is guaranteed, the arranged copper foil layer 3 is convenient for leading out heat, the heat conducting effect is improved, a heat conducting silica gel thin layer 5 is bonded with the bottom side surface of the copper foil layer 3 through a second heat conducting double-sided adhesive layer 4, so that the heat conducting silica gel thin layer 5 is conveniently and stably connected with the copper foil layer 3, the integral heat conducting effect of the heat conducting strip is further improved under the action of the arranged heat conducting silica gel thin layer 5, the bottom side of the heat conducting silica gel thin layer 5 is bonded with a heat conducting graphite layer 7 through a third heat conducting double-sided adhesive layer 6, the connection stability of the heat conducting silica gel thin layer 5 and the graphite heat conducting layer 7 is convenient to improve, and the integral heat conducting effect, meanwhile, under the action of the heat dissipation strip 8 in the through hole 701 and the through hole 701, the heat conducted out is further conducted out conveniently, the heat conduction effect is improved, and the requirements of a user are met.
The application has the advantages that:
1. this kind of flexible graphite heat conduction strip novel in design, moreover, the steam generator is simple in structure, 1 bottom side surface on natural graphite layer bonds with copper foil layer 3 through first heat conduction double-sided adhesive layer 2, ensure that copper foil layer 3 bonds with natural graphite layer 1, the copper foil layer 3 of setting, be convenient for derive the heat, improve the heat conduction effect, 3 bottom side surfaces on copper foil layer bond heat conduction silica gel thin layer 5 through second heat conduction double-sided adhesive layer 4, be convenient for with heat conduction silica gel thin layer 5 and 3 stable connections on copper foil layer, under the effect of the heat conduction silica gel thin layer 5 of setting, further improve the holistic heat conduction effect of heat conduction strip.
2. Bonding through third heat conduction double-sided adhesive layer 6 and heat conduction graphite lamella 7 in 5 bottom sides of heat conduction silica gel thin layer, being convenient for improve the stability of being connected of heat conduction silica gel thin layer 5 and heat conduction graphite lamella 7, under the heat conduction graphite lamella 7 effect of setting, further improve the holistic heat conduction effect of heat conduction strip, under the 8 effects of heat dissipation strip in cooperation through-hole 701 and the through-hole 701 simultaneously, be convenient for further derive the heat of deriving, improve the heat conduction effect, satisfy user's demand.
It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (6)

1. A flexible graphite heat conduction strip is characterized in that: the heat-conducting double-sided adhesive film comprises a natural graphite layer (1), a first heat-conducting double-sided adhesive layer (2), a copper foil layer (3), a second heat-conducting double-sided adhesive layer (4), a heat-conducting silica gel film layer (5), a third heat-conducting double-sided adhesive layer (6), a heat-conducting graphite sheet layer (7) and a heat dissipation strip (8); wherein the bottom surface of the natural graphite layer (1) is bonded with the top surface of the first heat-conducting double-sided adhesive layer (2), the bottom surface of the first heat-conducting double-sided adhesive layer (2) is bonded with the top surface of the copper foil layer (3), the bottom surface of the copper foil layer (3) is bonded with the top surface of the second heat-conducting double-sided adhesive layer (4), the bottom surface of the second heat-conducting double-sided adhesive layer (4) is bonded with the top surface of the heat-conducting silica gel film layer (5), the bottom side of the heat-conducting silica gel film layer (5) is bonded with the top side surface of the third heat-conducting double-sided adhesive layer (6), the bottom side of the third heat-conducting double-sided adhesive layer (6) is bonded with the top side surface of the heat-conducting graphite sheet layer (7), the bottom surface of the heat-conducting graphite sheet layer (7) is provided with a through hole (701), a heat dissipation strip (8) is arranged in the through hole (701), the top end of the heat dissipation strip (8) is bonded with the bottom side surface of the third heat-conducting double-sided adhesive layer (6).
2. A flexible graphite heat transfer strip as defined in claim 1 wherein: the number of the through holes (701) is a plurality, and the through holes (701) are uniformly distributed on the surface of the heat-conducting graphite sheet layer (7).
3. A flexible graphite heat transfer strip as defined in claim 1 wherein: the number of the through holes (701) is equal to that of the heat dissipation strips (8), and the through holes (701) and the heat dissipation strips (8) are coaxially arranged.
4. A flexible graphite heat transfer strip as defined in claim 1 wherein: the thickness of the natural graphite layer (1) is four times of that of the copper foil layer (3).
5. A flexible graphite heat transfer strip as defined in claim 1 wherein: the thickness of the copper foil layer (3) is twice that of the heat-conducting silica gel thin layer (5).
6. A flexible graphite heat transfer strip as defined in claim 1 wherein: the thickness of the heat-conducting silica gel film layer (5) is one fifth of that of the heat-conducting graphite sheet layer (7).
CN202021964870.8U 2020-09-09 2020-09-09 Flexible graphite heat conduction strip Active CN213472392U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021964870.8U CN213472392U (en) 2020-09-09 2020-09-09 Flexible graphite heat conduction strip

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021964870.8U CN213472392U (en) 2020-09-09 2020-09-09 Flexible graphite heat conduction strip

Publications (1)

Publication Number Publication Date
CN213472392U true CN213472392U (en) 2021-06-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021964870.8U Active CN213472392U (en) 2020-09-09 2020-09-09 Flexible graphite heat conduction strip

Country Status (1)

Country Link
CN (1) CN213472392U (en)

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