CN212864636U - Flexible high-thermal-conductivity thin film material and folding mobile phone - Google Patents
Flexible high-thermal-conductivity thin film material and folding mobile phone Download PDFInfo
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- CN212864636U CN212864636U CN202021092363.XU CN202021092363U CN212864636U CN 212864636 U CN212864636 U CN 212864636U CN 202021092363 U CN202021092363 U CN 202021092363U CN 212864636 U CN212864636 U CN 212864636U
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Abstract
The utility model belongs to the flexible material field, concretely relates to flexible high heat conduction film material and folding cell-phone, flexible high heat conduction film material includes: a material body; the material body comprises: the middle connecting part and the bending parts are respectively arranged at two ends of the middle connecting part; the flexible high-thermal-conductivity film material can realize the functions of flexible material expansion and bending through the bending parts arranged at the two ends of the intermediate connecting part, compared with the prior art, the bending parts are arranged at the two ends of the intermediate connecting part, so that the technical problem that the bending effect is influenced by the material at the middle part due to excessive redundancy in the bending process can be avoided; compared with the prior art, the flexible high-thermal-conductivity film material of the embodiment is provided with the bending parts at two ends of the middle connecting part, so that the elastic protection film is not required to be arranged to ensure resilience, the thickness of the flexible high-thermal-conductivity film material is reduced, the bending effect is better, and the manufacturing cost of the flexible high-thermal-conductivity film material is reduced.
Description
Technical Field
The utility model belongs to the flexible material field, concretely relates to flexible high heat conduction film material and folding cell-phone.
Background
With the advent of the internet + age, the mobile internet industry has been vigorously developed. The hardware upgrading requirement brought by the gradual maturity of the 4G communication market further promotes the rapid development of the intelligent terminal industry. At present, intelligent terminals mainly comprise mobile phones, tablet computers, wearable devices and the like, and development trends of intelligent hardware products are high power consumption and light weight, so that the problem of heat dissipation of the products is a difficult problem which needs to be solved urgently in the industry of the intelligent terminals.
The flexible high-thermal-conductivity film material comprises a flexible graphite film and a flexible graphene film, has the remarkable advantages of high crystallinity, good lattice orientation and the like, has high thermal conductivity and good anisotropy, namely the X-axis thermal conductivity can reach 1800W/m-k, the Y-axis direction is about 15W/m-k, can be compared with the traditional thermal interface material, has higher reliability and good processing performance, and can be designed and processed according to different use scenes. The flexible high-thermal-conductivity film material has high thermal conductivity, low thermal expansion rate, rebound resilience, heat resistance and chemical corrosion resistance, and is widely applied to the consumer electronics industries such as intelligent terminals, communication equipment and the like.
With the development of science and technology, flexible electronic products and wearable intelligent products come out endlessly, which requires that products for heat dissipation need to have properties of being stretchable, contractible, and bending-resistant, as shown in fig. 1, the patent (application No. 201810053207.3) of a flexible high thermal conductive film material capable of being stretched and bent is applied in 2018, 1 month, 19 and by the scientific and technological Wuxi limited company of Shiwei industry in Beijing, the flexible high thermal conductive film material capable of being stretched and bent is manufactured by processing the traditional flexible high thermal conductive film material into a corrugated structure with a certain shape, and an elastic protection film is compounded on the outermost layer to realize the stretching and bending resistance of flexible graphite, so that the flexible high thermal conductive film material has the problem that the whole flexible high thermal conductive film material is in the corrugated structure, and the material at the middle part is easy to generate redundancy in the bending process, thereby influencing the bending effect, and the flexible high thermal conductive film material needs to be compounded on the outermost layer to ensure resilience, this results in a relatively thick overall thickness of the flexible, highly thermally conductive film material.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a flexible high heat conduction film material and folding cell-phone to solve current flexible high heat conduction film material at the in-process of buckling, the technical problem of the redundant condition appears in the material of middle department easily.
In order to solve the technical problem, the utility model provides a flexible high heat conduction film material, include: a material body; the material body comprises: the intermediate connection portion and the kink portion that sets up respectively at this intermediate connection portion both ends.
Furthermore, the bending part is wavy and at least comprises a crest part and/or a trough part.
Further, the material body further comprises: and an end connection part connected with each bending part.
Further, each end connecting part, each bending part and the middle connecting part are integrally formed to form the material body; the material body comprises: the heat-conducting layer and the protection glue film of laminating heat-conducting layer each side.
Furthermore, each end connecting part and a surface of the middle connecting part are provided with a gum layer.
In another aspect, the present invention further provides a foldable mobile phone, including: the flexible high thermal conductivity film material is as described above.
The utility model has the advantages that the flexible high heat-conducting film material of the utility model can realize the flexible material telescopic and bendable function through the bending parts arranged at the two ends of the intermediate connecting part, compared with the prior art, the bending parts are arranged at the two ends of the intermediate connecting part, thereby avoiding the technical problem that the material at the intermediate part influences the bending effect due to excessive redundancy in the bending process; compared with the prior art, the flexible high-thermal-conductivity film material has the advantages that the bending parts are arranged at the two ends of the middle connecting part, so that the elastic protection film is not required to be arranged to ensure the resilience, the thickness of the flexible high-thermal-conductivity film material is reduced, the bending effect is better, and the manufacturing cost of the flexible high-thermal-conductivity film material is reduced.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a flexible high thermal conductivity film material in the prior art;
fig. 2 is a schematic structural diagram of the flexible high thermal conductive film material of the present invention.
In the figure:
the prior art is as follows: the heat conduction layer 1, the elastic protective film 2, the protective film layer 3, the double-sided adhesive tape 4 and the back adhesive layer 5;
the application: the heat-conducting layer comprises an intermediate connecting part 10, a bending part 20, a heat-conducting layer 21, a protective adhesive layer 22, an end connecting part 30 and a back adhesive layer 40.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 2, the present embodiment 1 provides a flexible high thermal conductive film material, including: a material body; the material body comprises: an intermediate connection portion 10 and bent portions 20 respectively provided at both ends of the intermediate connection portion.
Specifically, the flexible high thermal conductive film material of the embodiment can realize the telescopic and bendable functions of the flexible material through the bending portions 20 arranged at the two ends of the intermediate connecting portion 10, and compared with the prior art, the flexible high thermal conductive film material has the advantages that the bending portions arranged at the two ends of the intermediate connecting portion 10 can avoid the technical problem that the bending effect is affected by excessive redundancy of the material in the middle in the bending process; compared with the prior art, the flexible high-thermal-conductivity film material of the embodiment is provided with the bending parts 20 at two ends of the middle connecting part 10, so that the resilience is ensured without setting an elastic protective film, the thickness of the flexible high-thermal-conductivity film material is reduced, the bending effect is better, and the manufacturing cost of the flexible high-thermal-conductivity film material is reduced.
In the present embodiment, the bending portion 20 is wavy and includes at least one crest portion and/or one trough portion.
Specifically, the bending portion 20 includes three crest portions and two trough portions or two crest portions and one trough portion; in practical application, the specific shape of the bending part can be set according to the integral length and the bending requirement of the flexible high-thermal-conductivity film material.
In this embodiment, the material body further includes: and an end connection portion 30 connected to each bent portion 20.
In the present embodiment, each end connection portion 30, each bent portion 20, and the intermediate connection portion 10 are integrally formed to form the material body; the material body comprises: a heat conductive layer 21 and a protective adhesive layer 22 attached to each surface of the heat conductive layer 21.
Specifically, the heat conduction layer 21 is, for example but not limited to, a flexible graphite thin film material or a flexible graphene thin film material with high heat conductivity, and may be a single-layer flexible graphite thin film material or a flexible graphene thin film material, or may be a multilayer flexible graphite thin film material or a flexible graphene thin film material bonded by a composite process.
Specifically, the protective adhesive layer 22 is a single-sided adhesive.
In the present embodiment, a back adhesive layer 40 is disposed on one surface of each of the end connection portions 30 and the intermediate connection portion 10.
Specifically, the back adhesive layer 40 is a double-sided adhesive tape, and the flexible high thermal conductive film material can be attached to the device to be applied through the back adhesive layer 40.
Example 2
On the basis of embodiment 1, this embodiment 2 provides a folding mobile phone, including: the flexible high thermal conductivity film material according to embodiment 1.
Specifically, the structure and the working principle of the flexible high thermal conductive film material refer to the description in embodiment 1, and are not described herein again.
In summary, the flexible high thermal conductive film material can realize the functions of flexible material expansion and bending through the bending parts arranged at the two ends of the middle connecting part, compared with the prior art, the bending parts arranged at the two ends of the middle connecting part can avoid the technical problem that the bending effect is influenced by too much redundancy of the material at the middle part in the bending process; compared with the prior art, the flexible high-thermal-conductivity film material of the embodiment is provided with the bending parts at two ends of the middle connecting part, so that the elastic protection film is not required to be arranged to ensure resilience, the thickness of the flexible high-thermal-conductivity film material is reduced, the bending effect is better, and the manufacturing cost of the flexible high-thermal-conductivity film material is reduced.
All the parts of the devices selected in the present application are general standard parts or parts known to those skilled in the art, and the structures and principles thereof can be known to those skilled in the art through technical manuals or through routine experimental methods.
In the description of the embodiments of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. A flexible high thermal conductivity film material, comprising:
a material body;
the material body comprises: the middle connecting part and the bending parts are respectively arranged at two ends of the middle connecting part;
the bending part is wavy and at least comprises a crest part and/or a trough part.
2. The flexible high thermal conductivity film material according to claim 1,
the material body further comprises: and an end connection part connected with each bending part.
3. The flexible high thermal conductivity film material according to claim 2,
each end connecting part, each bending part and the middle connecting part are integrally formed to form the material body; and
the material body comprises: the heat-conducting layer and the protection glue film of laminating heat-conducting layer each side.
4. A flexible high thermal conductivity film material according to claim 3,
each end connecting part and a surface of intermediate junction all are equipped with the gum layer.
5. A folding handset, comprising: a flexible high thermal conductivity thin film material according to any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021092363.XU CN212864636U (en) | 2020-06-12 | 2020-06-12 | Flexible high-thermal-conductivity thin film material and folding mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021092363.XU CN212864636U (en) | 2020-06-12 | 2020-06-12 | Flexible high-thermal-conductivity thin film material and folding mobile phone |
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| Publication Number | Publication Date |
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| CN212864636U true CN212864636U (en) | 2021-04-02 |
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| CN202021092363.XU Active CN212864636U (en) | 2020-06-12 | 2020-06-12 | Flexible high-thermal-conductivity thin film material and folding mobile phone |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113645332A (en) * | 2021-08-13 | 2021-11-12 | 维沃移动通信有限公司 | Electronic device |
-
2020
- 2020-06-12 CN CN202021092363.XU patent/CN212864636U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113645332A (en) * | 2021-08-13 | 2021-11-12 | 维沃移动通信有限公司 | Electronic device |
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