CN210840545U - Wave-absorbing shielding film with heat dissipation and conduction functions - Google Patents
Wave-absorbing shielding film with heat dissipation and conduction functions Download PDFInfo
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- CN210840545U CN210840545U CN201921933509.6U CN201921933509U CN210840545U CN 210840545 U CN210840545 U CN 210840545U CN 201921933509 U CN201921933509 U CN 201921933509U CN 210840545 U CN210840545 U CN 210840545U
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Abstract
The utility model discloses a wave-absorbing shielding film with heat dissipation and electric conduction functions, which comprises a wave-absorbing shielding film unit and a conductive film unit which are compounded into a whole, wherein the wave-absorbing shielding film unit is contacted and attached with an electronic touch screen, and the conductive film unit is used for grounding to realize an antistatic effect; the conductive film unit adopts a conductive graphite sheet; the utility model discloses satisfying under the prerequisite of good ripples shielding effect of inhaling, realized electrically conductive and radiating effect simultaneously, greatly simplified laminating technology, do benefit to the compact overall arrangement of mounting structure moreover.
Description
Technical Field
The utility model belongs to electron shielding film field, concretely relates to inhale ripples shielding film with electrically conductive function of heat dissipation.
Background
With the rapid development of modern electronic industry, the number of various wireless communication systems and high-frequency electrical devices is rapidly increased, resulting in more and more problems of electromagnetic interference, electromagnetic pollution and the like. In order to solve the problems of electromagnetic interference and electromagnetic pollution, people propose to adopt an electromagnetic shielding film to realize the electromagnetic shielding function, and the main working principle of the electromagnetic shielding film is to adopt various shielding materials to effectively block and lose electromagnetic radiation. In particular, the wave-absorbing shielding film is one of the main products of the electromagnetic shielding film.
The existing wave-absorbing shielding film usually only considers the electromagnetic shielding effect thereof, and does not require good heat conduction and electric conduction effects, while the prior art needs to further meet the performance requirements of a heat conduction film in order to solve the heat dissipation problem of various electronic products, and needs to further meet the performance requirements of a conductive film in order to solve the antistatic problem of various electronic products, which results in complicated procedures and large occupied installation volume.
Based on the research and development of the wave-absorbing shielding film by the applicant, a technical scheme is determined to be sought for solving the technical problems.
Disclosure of Invention
In view of this, the utility model aims at providing a inhale ripples shielding film with electrically conductive function of heat dissipation has realized electrically conductive and radiating effect simultaneously under the prerequisite that satisfies good ripples shielding effect of inhaling, has greatly simplified laminating technology, does benefit to the compact overall arrangement of mounting structure moreover.
The utility model adopts the technical scheme as follows:
a wave-absorbing shielding film with a heat dissipation and electric conduction function comprises a wave-absorbing shielding film unit and a conductive film unit which are compounded into a whole, wherein the wave-absorbing shielding film unit is in contact fit with an electronic touch screen, and the conductive film unit is used for realizing an antistatic effect by grounding; the conductive film unit adopts a conductive graphite sheet.
Preferably, the heat-conducting adhesive is silica gel.
Preferably, the thickness range of the release film layer is 25-45 micrometers, the thickness range of the heat-conducting adhesive is 25-45 micrometers, the thickness range of the copper foil or the aluminum foil is 50-100 micrometers, and the thickness range of the electric-conducting graphite sheet is 0.1-1 mm.
Preferably, the copper foil or the aluminum foil is bonded and compounded with the conductive graphite sheet into a whole through a heat-conducting adhesive.
Preferably, the copper foil or the aluminum foil is provided with a plurality of limiting bulges, and the inner surface of the conductive graphite sheet is provided with limiting grooves which are combined with the limiting bulges into a whole in a limiting way.
Preferably, the copper foil or the aluminum foil is formed by stamping, and the conductive graphite sheet is formed by stamping.
Preferably, the height of the limiting protrusion ranges from 20 to 50 micrometers.
The utility model discloses a constitute the conductive film unit by electrically conductive graphite flake, constitute the wave-absorbing shielding film unit of core functional layer by copper foil or aluminium foil, with electrically conductive graphite flake and copper foil or aluminium foil complex as an organic whole back, owing to lie in outside electrically conductive graphite flake and have good ripples of inhaling simultaneously, electrically conduct and heat dissipation function, and lie in inside copper foil or aluminium foil and have good ripples of inhaling simultaneously, electrically conduct and heat conduction function, and then can ensure the utility model discloses satisfying under the prerequisite of good ripples shielding effect of inhaling, realized electrically conducting and radiating effect simultaneously, greatly simplified laminating technology, do benefit to the compact overall arrangement of mounting structure moreover.
Drawings
Fig. 1 is a schematic structural view of a wave-absorbing shielding film 10 with heat dissipation and electric conduction functions in embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a wave-absorbing shielding film 20 with heat dissipation and electric conduction functions in embodiment 2 of the present invention.
Detailed Description
The embodiment of the utility model discloses a wave-absorbing shielding film with heat dissipation and electric conduction functions, including through compounding wave-absorbing shielding film unit and conductive film unit as an organic whole, wave-absorbing shielding film unit and electronic touch screen contact laminating, the conductive film unit is used for ground connection to realize antistatic effect, wherein, wave-absorbing shielding film unit includes the release film layer that is located the top layer, heat conduction adhesive and is used for absorbing the copper foil or the aluminium foil that shields the electromagnetic wave; the conductive film unit adopts a conductive graphite sheet.
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Example 1: referring to fig. 1, a wave-absorbing shielding film 10 with heat dissipation and electric conduction functions includes a wave-absorbing shielding film unit 10a and a conductive film unit 10b which are combined into a whole, the wave-absorbing shielding film unit 10a is contacted and attached with an electronic touch screen (not shown), the conductive film unit 10b is used for grounding to realize an antistatic effect, wherein the wave-absorbing shielding film unit 10a includes a release film layer 11 located on a surface layer, a heat-conducting adhesive 12, and a copper foil or an aluminum foil for absorbing and shielding electromagnetic waves; the conductive film unit 10b employs a conductive graphite sheet 14; preferably, in this embodiment, the heat conductive adhesive 12 is silica gel, the release film layer 11 is release paper, the wave-absorbing shielding film unit 10a includes a copper foil 13, and in other embodiments, an aluminum foil may also be used, so that the obtained technical effects are similar; the copper foil 13 is bonded and compounded with the conductive graphite sheet 14 into a whole through the heat-conducting adhesive 15;
preferably, the thickness range of the release film layer 11 is 25-45 micrometers, the thickness ranges of the heat-conducting adhesives 12 and 15 are 25-45 micrometers, the thickness range of the copper foil 13 is 50-100 micrometers, and the thickness range of the electric-conducting graphite sheet 14 is 0.1-1 mm; specifically, in the present embodiment, the thickness of the release film layer 11 is 30 micrometers, the thickness of the heat conductive adhesives 12 and 15 is 30 micrometers, the thickness of the copper foil 13 is 80 micrometers, and the thickness of the electrically conductive graphite sheet 14 is 0.1 mm.
Example 2: the remaining technical solutions of this embodiment 2 are the same as those of embodiment 1, except that, in this embodiment 2, please refer to the wave-absorbing shielding film 20 with heat dissipation and conductive functions shown in fig. 2, the copper foil 23 is formed by stamping, the conductive graphite sheet 24 is formed by stamping, the copper foil 23 is provided with a plurality of limiting protrusions 23a, the inner surface of the conductive graphite sheet 24 is provided with limiting grooves 24a which are limited and combined with the limiting protrusions 23a into a whole, and the copper foil 23 and the conductive graphite sheet 24 are combined into a whole through the limiting locking and matching of the limiting protrusions 23a and the limiting grooves 24 a; preferably, the height of the stopper protrusion 23a ranges from 20 to 50 micrometers, and particularly, in the present embodiment, the height of the stopper protrusion 23a is 30 micrometers.
This embodiment is through constituteing the conducting film unit by electrically conductive graphite flake, inhale the ripples shielding film unit as the core functional layer by copper foil or aluminium foil, compound electrically conductive graphite flake and copper foil or aluminium foil back as an organic whole, because be located outside electrically conductive graphite flake have good ripples of inhaling simultaneously, electrically conductive and heat dissipation function, and be located inside copper foil or aluminium foil have good ripples of inhaling simultaneously, electrically conductive and heat conduction function, and then can ensure that this embodiment is satisfying under the prerequisite of good ripples shielding effect of inhaling, electrically conductive and radiating effect have been realized simultaneously, laminating technology has greatly been simplified, and do benefit to the compact overall arrangement of mounting structure.
This application has still further carried out implementation effect verification with embodiment 1 and embodiment 2, and its coefficient of heat conductivity all is greater than 1.5W/m.K, and the heat conduction effect is excellent, has good antistatic and electromagnetic shielding performance simultaneously moreover.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A wave-absorbing shielding film with a heat dissipation and electric conduction function is characterized by comprising a wave-absorbing shielding film unit and a conducting film unit which are compounded into a whole, wherein the wave-absorbing shielding film unit is in contact joint with an electronic touch screen, and the conducting film unit is used for realizing an antistatic effect by grounding; the conductive film unit adopts a conductive graphite sheet.
2. The wave-absorbing shielding film with heat dissipation and electric conduction functions as claimed in claim 1, wherein the heat-conducting adhesive is silica gel.
3. The wave-absorbing shielding film with the functions of heat dissipation and electric conduction as claimed in claim 1, wherein the thickness range of the release film layer is 25-45 microns, the thickness range of the heat-conducting adhesive is 25-45 microns, the thickness range of the copper foil or the aluminum foil is 50-100 microns, and the thickness range of the conductive graphite sheet is 0.1-1 mm.
4. The wave-absorbing shielding film with heat dissipation and electric conduction functions as claimed in claim 1, wherein the copper foil or aluminum foil is bonded and compounded with the conductive graphite sheet into a whole through a heat-conducting adhesive.
5. The wave-absorbing shielding film with heat dissipation and electric conduction functions as claimed in claim 1, wherein the copper foil or aluminum foil is provided with a plurality of limiting protrusions, and the inner surface of the conductive graphite sheet is provided with limiting grooves which are combined with the limiting protrusions into a whole.
6. The wave-absorbing shielding film with the heat dissipation and conduction functions as claimed in claim 5, wherein the copper foil or the aluminum foil is formed by stamping, and the conductive graphite sheet is formed by stamping.
7. The wave-absorbing shielding film with the heat dissipation and electric conduction functions as claimed in claim 5, wherein the height range of the limiting protrusions is 20-50 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921933509.6U CN210840545U (en) | 2019-11-11 | 2019-11-11 | Wave-absorbing shielding film with heat dissipation and conduction functions |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921933509.6U CN210840545U (en) | 2019-11-11 | 2019-11-11 | Wave-absorbing shielding film with heat dissipation and conduction functions |
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| Publication Number | Publication Date |
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| CN210840545U true CN210840545U (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921933509.6U Active CN210840545U (en) | 2019-11-11 | 2019-11-11 | Wave-absorbing shielding film with heat dissipation and conduction functions |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115449310A (en) * | 2022-06-10 | 2022-12-09 | 苏州伟铂瑞信电子科技有限公司 | Flat panel screen die cutting diaphragm capable of reducing electromagnetic interference |
-
2019
- 2019-11-11 CN CN201921933509.6U patent/CN210840545U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115449310A (en) * | 2022-06-10 | 2022-12-09 | 苏州伟铂瑞信电子科技有限公司 | Flat panel screen die cutting diaphragm capable of reducing electromagnetic interference |
| CN115449310B (en) * | 2022-06-10 | 2023-12-05 | 苏州伟铂瑞信电子科技有限公司 | Flat screen die-cutting diaphragm capable of reducing electromagnetic interference |
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