CN103491748A - Heat dissipation structure and set top box - Google Patents
Heat dissipation structure and set top box Download PDFInfo
- Publication number
- CN103491748A CN103491748A CN201310425221.9A CN201310425221A CN103491748A CN 103491748 A CN103491748 A CN 103491748A CN 201310425221 A CN201310425221 A CN 201310425221A CN 103491748 A CN103491748 A CN 103491748A
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- heat dissipation
- metal plate
- dissipation metal
- radiator structure
- set top
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Abstract
The invention relates to the technical field of set top boxes and discloses a heat dissipation structure and a set top box. The heat dissipation structure comprises an outer shell. A containing cavity is formed in the outer shell. A main board is arranged in the containing cavity. A heat dissipation block and a heat dissipation metal sheet are arranged in the containing cavity. The heat dissipation block is arranged on the main board. The heat dissipation metal sheet is connected to the heat dissipation block through heat dissipation glue. The heat dissipation metal sheet and the inner wall of the containing cavity are arranged in a spaced mode. According to the heat dissipation structure, the heat dissipation block is connected to the main board, the heat dissipation metal sheet is connected to the heat dissipation block through heat dissipation glue, and in this way, heat generated by the main board is transmitted to the heat dissipation metal sheet through the heat dissipation block via the heat dissipation glue. Therefore, the good heat dissipation effect is achieved, and the temperature of the surface of the outer shell is greatly lowered. In addition, the heat dissipation metal sheet is arranged in the containing cavity, surface treatment is not needed, and therefore the cost can be greatly reduced. After the heat dissipation structure is applied to the set top box, the surface temperature of the set top box is reduced, the user experience is improved, and the cost of the set top box is reduced.
Description
Technical field
The present invention relates to the technical field of Set Top Box, the Set Top Box that relates in particular to radiator structure and comprise this radiator structure.
Background technology
Along with intellectuality and the networking of Set Top Box, Set Top Box has broken away from traditional constraint, towards the direction of home intelligent terminal, advances, and its outward appearance is also broken away from the ice-cold cold sensation of traditional iron-clad gradually, and extensively adopts plastic shell.
Set Top Box comprises shell and is placed on the mainboard in shell, due to long-term work, temperature in shell can be higher, usually, adopt the mode of large tracts of land perforate on shell to be dispelled the heat, still, this radiating mode generally only is useful in low-end product, and high-end product is comparatively strict to the appearance requirement of shell, a fairly large number of louvre, have a strong impact on the appearance effect of Set Top Box.
For the problem of above-mentioned existence, the radiator structure of some high-end Set Top Box adopts, and when opening louvre as far as possible, also section increases aluminium sheet in the enclosure.In prior art, the set-up mode of the aluminium sheet in radiator structure has following two kinds: 1, aluminium sheet is placed bottom in the enclosure; 2, aluminium sheet is arranged on the mainboard below, and the direct lower cover as shell.
Two kinds of set-up modes of above-mentioned radiator structure, it adopts the aluminium sheet heat radiation, cost is higher, and arrange in placement at the second, aluminium sheet is as the lower cover layout of shell, and it need to carry out comparatively complicated surface treatment, increases cost, and can make the surface temperature of Set Top Box too high, greatly affect the client and use the body sense.
Summary of the invention
The object of the present invention is to provide radiator structure, be intended to solve that Set Top Box cost of the prior art is higher and surface temperature is too high so that affect the problem that the client uses.
The present invention realizes like this, radiator structure, comprise shell, there is cavity volume in described shell, be provided with mainboard in described cavity volume, be provided with radiating block and heat dissipation metal plate in described cavity volume, described radiating block is placed on described mainboard, described heat dissipation metal plate is connected in described radiating block by thermal paste, between the inwall of described heat dissipation metal plate and described cavity volume, has interval.
The present invention also provides Set Top Box, and it comprises above-mentioned radiator structure.
Compared with prior art, in radiator structure provided by the invention, radiating block is connected on mainboard, and be connected with heat dissipation metal plate by thermal paste on radiating block, like this, the heat produced in mainboard is by radiating block, via thermal paste, be passed to heat dissipation metal plate, there is preferably radiating effect, and make the temperature of case surface greatly reduce, and heat dissipation metal plate is positioned at the cavity volume of shell, do not need to carry out surface treatment, can be greatly cost-saving.
Above-mentioned radiator structure is used in Set Top Box, makes the surface temperature of Set Top Box reduce, improve the user and use the body sense, and reduce the Set Top Box cost.
The accompanying drawing explanation
Fig. 1 is the three-dimensional exploded perspective view of the Set Top Box that provides of the embodiment of the present invention;
Fig. 2 is the cut-away illustration of the Set Top Box that provides of the embodiment of the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Below in conjunction with specific embodiment, realization of the present invention is described in detail.
As shown in Fig. 1～2, it is a preferred embodiment provided by the invention.
The radiator structure 1 that the present embodiment provides, it can be used in Set Top Box, certainly, also can be used in miscellaneous equipment, as DVD player, video tape recorder etc., is not limited to the utilization in the present embodiment.
At the heat of Quick diffusing mainboard 14, be provided with radiating block 15 on mainboard 14, upper end at radiating block 15 also is connected with heat dissipation metal plate 12, is connected by thermal paste 13 between this heat dissipation metal plate 12 and radiating block 15, and has interval between the top of heat dissipation metal plate 12 and cavity volume 16.Like this, when mainboard 14 work, the heat of its generation is passed to radiating block 15, then is passed in heat dissipation metal plate 12 via thermal paste 13, thereby greatly reduces the temperature of mainboard 14.
In the present embodiment, heat dissipation metal plate 12 is near the top of cavity volumes 16, directly by dissipation of heat to cover top portion, heat can be discharged fast to the shell of Set Top Box 1 by cover top portion by cross-ventilation, greatly improve radiating effect; Certainly, heat dissipation metal plate 12 also can, near other position of cavity volume, be not limited to the top of the close cavity volume 16 in the present embodiment.
In above-mentioned radiator structure 1, heat on mainboard 14 is by radiating block 15 and thermal paste 13, be passed to heat dissipation metal plate 12, thereby greatly reduce the temperature of whole Set Top Box, and there is interval between the top of heat dissipation metal plate 12 and shell cavity volume 16, not directly contact, thereby effective temperature that greatly reduces case surface, raising client's use body sense; Adopt the intermediate medium of thermal paste 13 as radiating block 15 and heat dissipation metal plate 12, utilize the elastic reaction of thermal paste 13, avoid directly firmly contacting between radiating block 15 and heat dissipation metal plate 12, greatly improve efficiency of assembling, and, in transportation, avoid the damage brought due to vibration, and heat dissipation metal plate 12 is positioned at cavity volume 16, do not need to carry out surface treatment, greatly reduce costs.
This radiator structure 1 is used in Set Top Box, can solves the problem that surface temperature is too high and cost is high that real Set Top Box exists.
Certainly, as other embodiment, heat dissipation metal plate 12 can be connected to any position of radiating block 15, or sidewall etc., as long as exist above-mentioned interval can between the inwall of itself and cavity volume 16.
The radiating block 15 that the present embodiment provides, wherein be provided with a plurality of fin, and the alternate layout of a plurality of fin like this, increases the surface area of radiating block 15 greatly, is conducive to the transmission of mainboard 14 temperature, the temperature of fast reducing mainboard 14.
Particularly, heat dissipation metal plate 12 adopts iron materials to make, and when reaching the radiating effect that aluminum is close, greatly reduces the cost of radiator structure 1.
Above-mentioned heat dissipation metal plate 12 struts shape in the form of sheets, and its thickness range is between 0.6mm to 1mm, and its surface requirements is done antirust processing, and heat dissipation metal plate 12 in the form of sheets, and the area increased that it is tried one's best more is conducive to radiating effect.
In the present embodiment, be provided with engraved structure in heat dissipation metal plate 12, like this, when heat dissipation metal plate 12 is placed in cavity volume 16, because the height of some elements in cavity volume 16 is inconsistent, like this, some elements in cavity volume 16 can be installed through this engraved structure, are convenient to the assembling of radiator structure 1.
Certainly, above-mentioned engraved structure can be set according to actual needs, and in the present embodiment, engraved structure comprises the breach 122 that is arranged on heat dissipation metal plate 12 sides, or, also can directly in heat dissipation metal plate 12, be provided with through hole etc.
Because the area of heat dissipation metal plate 12 is greater than the area of radiating block 15 greatly, in the present embodiment, when radiating block 15, thermal paste 13 and heat dissipation metal plate 12 are the postpone of layered laminate cloth, need to the position of heat dissipation metal plate 12 be fixed, avoid heat dissipation metal plate 12 to rock, or break away from the connection of thermal paste 13, be provided with a plurality of installing holes 121 in heat dissipation metal plate 12, outside securing member can pass this installing hole 121, and is connected with shell, thereby makes the position of heat dissipation metal plate 12 fix.
In the present embodiment, heat dissipation metal plate 12 side's of being shapes, above-mentioned a plurality of installing holes 121 are separately positioned on the place, four angles of heat dissipation metal plate 12, and certainly, according to the difference of heat dissipation metal plate 12 shapes, the deployment scenarios of installing hole 121 is corresponding variation also.
For the ease of the installation of heat dissipation metal plate 12, the bottom of above-mentioned shell cavity volume 16 convexes with a plurality of erecting beds 171, and the securing member that passes installing hole 121 is connected on erecting bed 171, thereby makes heat dissipation metal plate 12 and shell link together.
In the present embodiment, shell comprises upper cover 11 and lower cover 17, and upper cover 11 has the cavity of lower ending opening, and lower cover 17 is connected on the opening of cavity of upper cover 11, and has sealed opening, makes cavity form above-mentioned cavity volume 16.
Above-mentioned mainboard 14 is located on lower cover 17, between the inner surface of heat dissipation metal plate 12 and upper cover 11, has above-mentioned interval.Certainly, the setting position of mainboard 14 can also be decided according to the actual requirements, and then the setting position of heat dissipation metal plate 12 and radiating block 15 is corresponding the change also.
In the present embodiment, be provided with a plurality of the first louvres in the upper end of upper cover 11, this first louvre is communicated with cavity volume 16; The surrounding of lower cover 17 is raised with sidewall bar 18 upward, and this sidewall bar 18 is arranged around the periphery of lower cover 17, and be provided with a plurality of the second louvres 19 of arranging along the 18 length directions extensions of sidewall bar in this sidewall bar 18.Like this, owing between the first louvre and the second louvre 19, forming convective structure, make in the cavity volume 16 of shell and can form convection current with outside, strengthen the radiating effect of mainboard 14, and make the heat in shell be distributed to as early as possible outside, avoid the case surface excess Temperature; In addition, the second louvre 19 is arranged in sidewall bar 18, avoids the setting of mainboard 14, the second louvre 19 is formed to obstacle, greatly improve convection effects; The first louvre is arranged in the upper end of upper cover 11, favourablely is passed to heat on heat dissipation metal plate 12 and is distributed to as early as possible outside.
The present embodiment also provides Set Top Box, it has comprised above-mentioned radiator structure 1, because above-mentioned radiator structure 1 radiating effect is better, thereby and can avoid the surface temperature of Set Top Box too high, improve user's use body sense, and can greatly save the manufacturing cost of Set Top Box.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. radiator structure, comprise shell, there is cavity volume in described shell, be provided with mainboard in described cavity volume, it is characterized in that, be provided with radiating block and heat dissipation metal plate in described cavity volume, described radiating block is placed on described mainboard, described heat dissipation metal plate is connected in described radiating block by thermal paste, between the inwall of described heat dissipation metal plate and described cavity volume, has interval.
2. radiator structure as claimed in claim 1, is characterized in that, described heat dissipation metal plate is connected in the upper end of described radiating block, and and the top of described cavity volume between have described interval.
3. radiator structure as claimed in claim 1, is characterized in that, in described heat dissipation metal plate, is provided with engraved structure.
4. radiator structure as claimed in claim 3, is characterized in that, described engraved structure comprises the breach of being located at described heat dissipation metal plate side.
5. radiator structure as described as claim 1 to 4 any one, is characterized in that, in described heat dissipation metal plate, is provided with installing hole, and the bottom of described cavity volume convexes with erecting bed, in described installing hole, is equipped with securing member, and described securing member is connected in described erecting bed.
6. radiator structure as described as claim 1 to 4 any one, is characterized in that, described heat dissipation metal plate struts shape in the form of sheets, and its thickness range is between 0.6mm to 1.0mm.
7. radiator structure as described as claim 1 to 4 any one, is characterized in that, described shell comprises upper cover and lower cover, and described upper cover has the cavity of lower ending opening, and described lower cover is closed in described opening.
8. radiator structure as described as claim 7 any one, it is characterized in that, be provided with a plurality of the first louvres in the upper end of described upper cover, the periphery of described lower cover convexes with the sidewall bar upward, described sidewall bar is arranged around described lower cover periphery, is provided with the second louvre that a plurality of length directions along described sidewall bar extend in described sidewall bar.
9. radiator structure as claimed in claim 8, is characterized in that, described mainboard is located under described and is covered, and has described interval between the inner surface of described heat dissipation metal plate and described upper cover.
10. Set Top Box, is characterized in that, comprises the described radiator structure of claim 1～9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310425221.9A CN103491748B (en) | 2013-09-17 | 2013-09-17 | Heat abstractor and Set Top Box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310425221.9A CN103491748B (en) | 2013-09-17 | 2013-09-17 | Heat abstractor and Set Top Box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103491748A true CN103491748A (en) | 2014-01-01 |
| CN103491748B CN103491748B (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310425221.9A Expired - Fee Related CN103491748B (en) | 2013-09-17 | 2013-09-17 | Heat abstractor and Set Top Box |
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| Country | Link |
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| CN (1) | CN103491748B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108259950A (en) * | 2016-12-28 | 2018-07-06 | 深圳暴风统帅科技有限公司 | A kind of Kit boxes, TV machine host and television set |
| CN111263552A (en) * | 2020-02-05 | 2020-06-09 | 环胜电子(深圳)有限公司 | Adapter card module with protective cover |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200990750Y (en) * | 2006-12-27 | 2007-12-12 | 华为技术有限公司 | A radiating structure and equipment including the same radiating structure |
| CN201995275U (en) * | 2011-04-07 | 2011-09-28 | 深圳市同洲电子股份有限公司 | Electronic product and radiator thereof |
| US20130063895A1 (en) * | 2010-05-19 | 2013-03-14 | Thomson Licensing | Set-top box having dissipating thermal loads |
-
2013
- 2013-09-17 CN CN201310425221.9A patent/CN103491748B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200990750Y (en) * | 2006-12-27 | 2007-12-12 | 华为技术有限公司 | A radiating structure and equipment including the same radiating structure |
| US20130063895A1 (en) * | 2010-05-19 | 2013-03-14 | Thomson Licensing | Set-top box having dissipating thermal loads |
| CN201995275U (en) * | 2011-04-07 | 2011-09-28 | 深圳市同洲电子股份有限公司 | Electronic product and radiator thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108259950A (en) * | 2016-12-28 | 2018-07-06 | 深圳暴风统帅科技有限公司 | A kind of Kit boxes, TV machine host and television set |
| CN111263552A (en) * | 2020-02-05 | 2020-06-09 | 环胜电子(深圳)有限公司 | Adapter card module with protective cover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103491748B (en) | 2016-06-08 |
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Granted publication date: 20160608 Termination date: 20200917 |
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| CF01 | Termination of patent right due to non-payment of annual fee |