CN202009411U - Hand-held communication terminal - Google Patents
Hand-held communication terminal Download PDFInfo
- Publication number
- CN202009411U CN202009411U CN2011200570596U CN201120057059U CN202009411U CN 202009411 U CN202009411 U CN 202009411U CN 2011200570596 U CN2011200570596 U CN 2011200570596U CN 201120057059 U CN201120057059 U CN 201120057059U CN 202009411 U CN202009411 U CN 202009411U
- Authority
- CN
- China
- Prior art keywords
- heat
- communication terminal
- housing
- heating element
- shell
- 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.)
- Expired - Lifetime
Links
- 238000010438 heat treatment Methods 0.000 claims abstract description 33
- 229910052751 metal Inorganic materials 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 25
- 239000012790 adhesive layer Substances 0.000 claims abstract description 12
- 239000004020 conductor Substances 0.000 claims abstract description 4
- 239000003292 glue Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 206010053615 Thermal burn Diseases 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0279—Improving the user comfort or ergonomics
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Details Of Aerials (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model relates to a hand-held communication terminal, which comprises a circuit board, a metal shell and a shielding cover, wherein the circuit board carries out a communication function, the metal shell is used for containing the circuit board, the shielding cover is made of a heat-conducting material, and a heating element on the circuit board is covered by the shielding cover; a first thermally conductive adhesive layer is arranged between the shielding cover and the upper surface of the heating element, and a second thermally conductive adhesive layer is arranged between the inner surface of the shell and the lower surface of the heating element; and heat-resisting structures with nonplanar surfaces are arranged in a direction from the corresponding contacted parts of the inner surface of the shell and the lower surface of the heating element to the hand-held touched surface of the shell. By changing the structure of the shielding cover, the utility model realizes large-area heat dissipation, the heat-resisting structures arranged on the shell can resist heat from being transferred to the hand-held touched surface, the heat can be guided to be transferred towards other directions rather than the direction towards the hand-held touched surface, consequently, the utility model effectively solves the problem that a hand is scalded when the terminal with the metal shell is used, the integral metal shell design of a hand-held communication terminal product is realized, and the product grade is increased.
Description
Technical Field
The utility model relates to a consumer electronics and communications facilities field, more specifically say, relate to a handheld communication terminal.
Background
In the current hand-held communication terminal, each component on the circuit board can generate a large amount of heat when working, especially the power amplifier therein, and the generated heat can influence the use of users after being conducted to the terminal shell. Therefore, the current professional handheld communication products generally adopt a plastic shell, or a plastic shell part is wrapped with plastic to insulate heat, so as to avoid scalding hands.
But compared with a terminal adopting a metal shell, the plastic shell can greatly reduce the texture of the whole machine and cannot improve the grade of a product. Therefore, the terminal adopting the plastic shell is partially embedded with the metal ornament so as to carry out the whole decoration, but the overall texture of the terminal cannot be improved well.
If the terminal integrally adopts a metal shell structure, the problem of body heating becomes a difficult point while taking into account powerful functions, attractive appearance and small size, the reduction of the heat productivity of components on the circuit board is almost difficult to realize, and the cost can be greatly improved even if the problem is solved.
Therefore, how to solve the heat dissipation in the limited space of the metal housing by an effective structure is a problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide a handheld communication terminal that heat dispersion is good.
The utility model provides a technical scheme that its technical problem adopted is:
a handheld communication terminal is constructed, and comprises a circuit board completing a communication function, a metal shell used for accommodating the circuit board, and a shielding cover made of a heat conduction material, wherein the shielding cover covers a heating element on the circuit board; wherein,
a first heat-conducting adhesive layer is arranged between the shielding cover and the upper surface of the heating element, and a second heat-conducting adhesive layer is arranged between the inner surface of the shell and the lower surface of the heating element.
Hand-held communication terminal, wherein on the casing internal surface with the corresponding contact position of heating element lower surface extremely hand-held contact surface direction on the casing is provided with the surface and hinders hot structure for the non-planar.
The utility model discloses a handheld communication terminal, wherein, the heat-resisting structure includes a plurality of equal parallel arrangement's strip concave part and bead, and the concave part with the bead interval sets up;
each concave part and each convex rib extend along the direction from the contact position corresponding to the lower surface of the heating element on the inner surface of the shell to the handheld contact surface on the shell.
Handheld communication terminal, wherein, on the casing internal surface with be provided with around the corresponding contact position of heating element lower surface to the metal heat conduction piece that non-handheld contact surface direction on the casing extends.
Handheld communication terminal, wherein, the casing is the rectangular bodily form, hinder hot structure and follow the width direction setting of casing, the metal heat conduction piece is followed the length direction setting of casing.
Handheld communication terminal, wherein, the metal heat conduction piece is the copper billet.
Hand-held communication terminal, wherein, it is wave or rectangle square waveform to hinder hot structure cross section.
Hand-held communication terminal, wherein, first heat conduction glue film with second heat conduction glue film is heat conduction silica gel piece or heat conduction white glue.
Hand-held communication terminal, wherein, correspond on the shield cover and cover heating element's position is provided with the recess that the parallel was arranged.
The beneficial effects of the utility model reside in that: on one hand, the shielding cover is made of heat conducting materials, the area of the traditional shielding cover is enlarged, the traditional shielding cover covers the heating element, heat emitted by the heating element is transmitted to the shielding cover through the heat conducting glue, and the shielding cover uniformly disperses concentrated heat into the shell to avoid overhigh local temperature, so that the shielding cover not only plays a role in shielding, but also can fully dissipate heat, and the internal space of the terminal shell is saved; on the other hand, the heat-resistant structure is arranged on the shell, so that heat generated by the heating element is prevented from being transmitted to the handheld contact surface direction on the shell, the heat is directionally guided to the non-handheld contact surface direction on the shell, and the handheld contact surface on the shell is prevented from being too hot.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a schematic perspective view of a handheld communication terminal according to a preferred embodiment of the present invention;
fig. 2 is a top view of the handheld communication terminal according to the preferred embodiment of the present invention;
fig. 3 is a partial cross-sectional view of a handheld communication terminal according to a preferred embodiment of the present invention;
fig. 4 is a schematic view of an assembly structure of a handheld communication terminal according to a preferred embodiment of the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 4;
fig. 6 is a partial schematic view of a handheld communication terminal according to a preferred embodiment of the present invention;
fig. 7 is a partial schematic view of a handheld communication terminal according to a preferred embodiment of the present invention.
Detailed Description
The structure of the handheld communication terminal of the preferred embodiment of the present invention is shown in fig. 1, and referring to fig. 2, fig. 3 and fig. 4, the handheld communication terminal includes a circuit board (or PCB main board) 30 for completing the communication function, a housing 10 and a shielding case 20. The housing 10 is a metal housing made of a metal material, and the circuit board 30 may be fixed in an inner cavity of the metal housing 10 by screws. Compared with the shielding layer in the conventional terminal, the shielding case 20 in the present embodiment is made of a heat conductive material, such as an aluminum material with good heat conductivity, the area of the shielding case 20 is increased, the shielding case 20 covers the heating element 31 of the circuit board 30, and the first heat conductive adhesive layer 41 is disposed between the shielding case 20 and the upper surface of the heating element 31 to sufficiently transfer the heat generated by the heating element 31 to the shielding case 20, because the volume and the surface area of the shielding case 20 are much larger than those of the heating element 31 alone, the heat generated by the heating element 31 can be uniformly dispersed into the terminal housing 10, so that the shielding case 20 can be fully utilized, and not only has a shielding function, but also can be used for heat dissipation, thereby saving the internal space of the terminal housing 10. Meanwhile, a second thermal adhesive layer is disposed between the inner surface of the metal case 10 and the lower surface of the heating element 31 to transfer heat to the case 10.
In a further embodiment, as shown in fig. 3 and 4, a heat-blocking structure 14 with a non-planar surface is disposed on the inner surface of the housing 10 in the direction from the contact position 13 corresponding to the lower surface of the heat-generating element 31 to the hand-held contact surface 11 on the housing 10, so as to block heat generated by the heat-generating element 31 from being transferred to the hand-held contact surface 11 on the housing 10, and prevent the hand-held contact surface 11 on the housing 10 from being too hot to scald hands.
In a further embodiment, as shown in fig. 1, 2, 3 and 7, a metal heat conducting block 50 extending towards the non-handheld contact surface 12 of the housing 10 is disposed on the inner surface of the housing 10 around the contact position 13 corresponding to the lower surface of the heating element 31, and the metal heat conducting block 50 can increase the heat conducting performance of the housing 10 and conduct the heat generated by the heating element 31 to the non-handheld contact surface 12 of the housing 10 directionally. The metal heat-conducting block 50 is preferably made of copper block, the structure of the copper block can be set according to the specific shape of the housing 10, and the copper block can be made into a sheet shape or a strip shape as much as possible in order not to affect the overall weight of the terminal.
In a further embodiment, as shown in fig. 1 and 4, the housing 10 of the terminal is rectangular parallelepiped, or approximately rectangular parallelepiped, the heat-blocking structure 14 is arranged in the width direction of the housing, i.e. in the transverse direction X shown in fig. 1, and the heat-conducting block is arranged in the length direction of the housing, i.e. in the longitudinal direction Y shown in fig. 1. The hand-held contact surface 11 is located on a side surface corresponding to the width direction of the housing 10, and the non-hand-held contact surface 12 is located on a side surface corresponding to the length direction of the housing 10.
It is understood that in the above embodiments, the positions of the handheld contact surface 11 and the non-handheld contact surface 12 on the housing 10 can also be set according to the external shape and the using state of the terminal housing 10, and are not limited to the positions shown in fig. 1.
Preferably, as shown in fig. 5, 6 and 7, the heat-blocking structure 14 in the above embodiment includes a plurality of strip-shaped recesses 142 and ribs 141, which are arranged in parallel, and the recesses 142 and the ribs 141 are arranged at intervals, and each strip-shaped recess 142 and rib 141 extend along the direction from the contact position 13 corresponding to the lower surface of the heat-generating element 31 on the inner surface of the housing 10 to the hand-held contact surface 11 on the housing 10. The structure of the concave part 142 and the convex rib 141 arranged in series can improve the terminal heat dissipation effect by the surface area in the shell 10 in the limited space, and simultaneously, the heat transfer speed towards the handheld contact surface 11 on the shell 10 can be slowed down due to the increase of the heat transfer surface area, so that the heat resistance effect is achieved, and the heat is more effectively conducted to the non-handheld contact surface 12 on the shell 10.
The strip-shaped concave portions 142 and the convex ridges 141 in the above embodiments form the heat-resistant structure 14 with a wave-shaped cross section or a rectangular square wave-shaped cross section, or form the heat-resistant structure 14 with another cross section.
It is understood that the heat-resistant structure 14 on the housing 10 may be any non-planar structure with any shape besides the structures described in the above embodiments, as long as it can increase the surface area and slow down the heat conduction speed.
In the above embodiments, the first heat conductive adhesive layer 41 disposed between the shielding case 20 and the upper surface of the heating element 31 and the second heat conductive adhesive layer 42 disposed between the inner surface of the metal shell 10 and the lower surface of the heating element 31 are preferably made of heat conductive silicone sheets or heat conductive white glue, so as to achieve better heat conduction effect.
In the above embodiments, the heating element 31 on the circuit board 30 mainly refers to a power amplifier with a large heating value. As shown in fig. 1, 2 and 4, for the convenience of assembly, the positions on the shield case 20 corresponding to the positions covering the heating elements 31 may be marked by the grooves 21 arranged in parallel. The shield 20 is preferably a unitary structure that may be secured to the circuit board 30 by way of screws or SMT patches.
In the above embodiments, the overall shape of the shielding case 20 may be designed according to the arrangement of the components on the circuit board 30, for example, as shown in fig. 4, a notch 22 may be disposed at a position of the shielding case 20 corresponding to a flexible circuit board (not shown) on the circuit board 30, so as to avoid the flexible circuit board, save the internal space of the terminal housing 10, and ensure the reasonableness of the assembly of the whole terminal.
To sum up, the utility model discloses a structure that changes shield cover 20 realizes the large tracts of land heat dissipation to hinder hot structure 14 through setting up on casing 10, hinder the heat to the 11 direction transmission of handheld contact surface on casing 10, guide heat is to the 14 direction transmissions of non-handheld contact surface, realizes the directionality heat conduction promptly, and the problem of scalding one's hand when effectively solving the terminal use that adopts metal casing 10 realizes the design of the whole metal casing of handheld communication terminal product, promotes the product grade.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (9)
1. A handheld communication terminal, comprising a circuit board (30) for performing a communication function, and a metal housing (10) for accommodating the circuit board (30), characterized by further comprising a shielding case (20) made of a heat conductive material, wherein the shielding case (20) covers a heating element (31) on the circuit board (30);
a first heat-conducting adhesive layer (41) is arranged between the shielding cover (20) and the upper surface of the heating element (31), and a second heat-conducting adhesive layer (42) is arranged between the inner surface of the shell (10) and the lower surface of the heating element (31).
2. The handheld communication terminal according to claim 1, wherein a heat-resistant structure (14) having a non-planar surface is disposed on the inner surface of the housing (10) in a direction from the contact position (13) corresponding to the lower surface of the heat-generating component (31) to the handheld contact surface (11) on the housing (10).
3. The handheld communication terminal according to claim 2, wherein the heat-blocking structure (14) comprises a plurality of strip-shaped recesses (142) and ribs (141) arranged in parallel, and the recesses (142) and the ribs (141) are spaced apart;
each concave part (142) and each convex rib (141) extend along the direction from a contact position (13) corresponding to the lower surface of the heating element (31) on the inner surface of the shell (10) to a hand-held contact surface (11) on the shell (10).
4. A handheld communication terminal according to claim 1, wherein a metal heat conducting block (50) extending in a direction of a non-handheld contact surface (12) on the housing (10) is provided on the inner surface of the housing (10) around a contact location (13) corresponding to the lower surface of the heat generating element (31).
5. The handheld communication terminal according to claim 4, wherein the housing (10) has a rectangular parallelepiped shape, the heat blocking structure (14) is disposed along a width direction of the housing (10), and the metal heat conducting block (50) is disposed along a length direction of the housing (10).
6. The handheld communication terminal according to claim 4, wherein the metal heat conducting block (50) is a copper block.
7. A handheld communication terminal according to claim 3, wherein the heat resistant structure (14) has a wave or rectangular square wave shape in cross-section.
8. The handheld communication terminal according to claim 1, wherein the first thermal adhesive layer (41) and the second thermal adhesive layer (42) are both thermal silicone sheets or thermal white glue.
9. The handheld communication terminal according to claim 1, wherein the shielding case (20) is provided with parallel grooves (21) corresponding to the positions covering the heating elements (31).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200570596U CN202009411U (en) | 2011-03-07 | 2011-03-07 | Hand-held communication terminal |
| PCT/CN2011/078174 WO2012119378A1 (en) | 2011-03-07 | 2011-08-09 | Handheld communication terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200570596U CN202009411U (en) | 2011-03-07 | 2011-03-07 | Hand-held communication terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202009411U true CN202009411U (en) | 2011-10-12 |
Family
ID=44751063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200570596U Expired - Lifetime CN202009411U (en) | 2011-03-07 | 2011-03-07 | Hand-held communication terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202009411U (en) |
| WO (1) | WO2012119378A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103826426A (en) * | 2014-03-10 | 2014-05-28 | 上海鼎为电子科技（集团）有限公司 | Mobile terminal and mobile terminal heat dissipating method |
| CN105050369A (en) * | 2015-08-26 | 2015-11-11 | 广东欧珀移动通信有限公司 | Intelligent terminal |
| CN106455404A (en) * | 2015-08-11 | 2017-02-22 | 奇鋐科技股份有限公司 | Middle frame structure with heat insulation function and electronic device |
| US10130010B2 (en) | 2013-04-27 | 2018-11-13 | Zte Corporation | Internal heat-dissipation terminal |
| CN110849917A (en) * | 2018-07-31 | 2020-02-28 | 佳能株式会社 | Radiation imaging apparatus |
| CN114698336A (en) * | 2020-04-23 | 2022-07-01 | 华为技术有限公司 | Mobile terminal |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112911028A (en) * | 2019-11-19 | 2021-06-04 | 北京小米移动软件有限公司 | Temperature equalization plate, terminal equipment and manufacturing method of temperature equalization plate |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006222388A (en) * | 2005-02-14 | 2006-08-24 | Toshiba Corp | Heat dissipation device and heat dissipation method of electronic apparatus |
| CN201278544Y (en) * | 2008-09-12 | 2009-07-22 | 中兴通讯股份有限公司 | Wireless communication terminal module |
-
2011
- 2011-03-07 CN CN2011200570596U patent/CN202009411U/en not_active Expired - Lifetime
- 2011-08-09 WO PCT/CN2011/078174 patent/WO2012119378A1/en active Application Filing
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10130010B2 (en) | 2013-04-27 | 2018-11-13 | Zte Corporation | Internal heat-dissipation terminal |
| CN103826426A (en) * | 2014-03-10 | 2014-05-28 | 上海鼎为电子科技（集团）有限公司 | Mobile terminal and mobile terminal heat dissipating method |
| CN103826426B (en) * | 2014-03-10 | 2016-08-17 | 上海鼎为电子科技（集团）有限公司 | Mobile terminal and mobile terminal heat dissipating method |
| CN106455404A (en) * | 2015-08-11 | 2017-02-22 | 奇鋐科技股份有限公司 | Middle frame structure with heat insulation function and electronic device |
| CN106455404B (en) * | 2015-08-11 | 2022-07-01 | 奇鋐科技股份有限公司 | Heat-insulated middle frame structure and electronic equipment |
| CN105050369A (en) * | 2015-08-26 | 2015-11-11 | 广东欧珀移动通信有限公司 | Intelligent terminal |
| CN110849917A (en) * | 2018-07-31 | 2020-02-28 | 佳能株式会社 | Radiation imaging apparatus |
| US11224390B2 (en) | 2018-07-31 | 2022-01-18 | Canon Kabushiki Kaisha | Radiation imaging apparatus |
| CN114698336A (en) * | 2020-04-23 | 2022-07-01 | 华为技术有限公司 | Mobile terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012119378A1 (en) | 2012-09-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111012 |