CN201352820Y - Set-top box case - Google Patents
Set-top box case Download PDFInfo
- Publication number
- CN201352820Y CN201352820Y CNU200920129853XU CN200920129853U CN201352820Y CN 201352820 Y CN201352820 Y CN 201352820Y CN U200920129853X U CNU200920129853X U CN U200920129853XU CN 200920129853 U CN200920129853 U CN 200920129853U CN 201352820 Y CN201352820 Y CN 201352820Y
- Authority
- CN
- China
- Prior art keywords
- top box
- ventilation holes
- set top
- machine case
- base plate
- 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 - Fee Related
Links
- 238000009423 ventilation Methods 0.000 claims abstract description 73
- 238000001816 cooling Methods 0.000 abstract description 7
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract 1
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 230000005855 radiation Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 210000003027 ear inner Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20127—Natural convection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model relates to a set-top box case which comprises a shell; the shell is provided with a bottom plate, a cover plate and a side plate; the bottom plate is provided with a plurality of first ventilation holes; and the cover plate is provided with a plurality of second ventilation holes at the positions deviating from the first ventilation holes on the bottom plate. By arranging the ventilation holes respectively on the bottom plate and the cover plate, the set-top box case forms cooling airflow between the first ventilation holes and the second ventilation holes so as to cool heating elements inside the set-top box case. The structure needs no complex structures such as a fan and the like, and only needs to set the structure of the ventilation holes, and utilizes the raise of hot air to form natural convection to effectively carry out heat dissipation to the set-top box case, thus eliminating the fan, saving required energy consumption, greatly reducing cost, and prolonging the service life of the set-top box. Furthermore, the arrangement manner of the ventilation holes thoroughly solves and eliminates noise caused by the use of the fan in the traditional cases, thus conforming to the requirement of environmental protection.
Description
Technical field
The utility model relates to machine case of set top box, relates in particular to a kind of machine case of set top box with heat-dissipating structure.
Background technology
At present, along with popularizing of Digital Television, the user improves the requirement of TV programme, be directed to the corresponding raising that requires of chip, thereby also increase accordingly in the heat radiation of machine, but most radiating mode is to come the generation of forced convection current to dispel the heat with fan, and the noise that fan produces is to be difficult to eliminate, and the cost of fan itself and fan installation cost all are beyond affordability in the industry.At the audio-visual tool of top box of digital machine as people's amusement, be provided with a plurality of electronic devices and components in it usually, and active element normally, have radiating requirements.Method commonly used also is to increase fan, yet in start, the set-top box interior noise is very big, can have a strong impact on people's audiovisual impression.If do not increase fan, set-top box work 60 degree Celsius in addition more the higher position phenomenon may appear crashing or restarting.And other additional heat abstractors such as fan are set, and can increase integrally-built complexity, and need extra supply of electric power, expend the energy.
In view of this, be necessary to provide a kind of simple in structure, cost is low and radiating effect is good machine case of set top box.
The utility model content
The object of the present invention is to provide a kind of machine case of set top box, it need not fan, makes casing structure simple, can reduce cost, and by utilizing natural convection air, makes machine case of set top box have better heat radiating effect.
A kind of machine case of set top box, it comprises shell, and described shell has base plate, cover plate and side plate, has a plurality of first ventilation holes on the described base plate, and the position of departing from first ventilation hole on the base plate on the described cover plate has a plurality of second ventilation holes.
Described a plurality of first ventilation hole is near the bottom end setting.
Described a plurality of second ventilation hole is near the patch ends setting, and described patch ends is the end with the bottom end diagonal angle that is provided with first ventilation hole.
Described a plurality of first ventilation hole is array and is arranged on the described base plate.
Described a plurality of second ventilation hole is array and is arranged on the described cover plate.
Described a plurality of first ventilation hole and/or described a plurality of second ventilation hole comprise the above hole of three rows.
Each ventilation hole be shaped as circle, ellipse or rectangle.
The position of described a plurality of first ventilation holes on base plate is higher than 2.5 millimeters to 3 millimeters of base plate primary flats.
Contain at least one heater element in the described shell, described heater element is arranged on the circuit board, has the aperture on the described circuit board greater than 1 millimeter through hole.
The position of the corresponding described circuit board of described base plate is provided with a plurality of perforates.
Compared with prior art, described machine case of set top box is provided with ventilation hole respectively by the position in base plate and cover plate relative depature, can between first and second ventilation holes, form cooling blast, make air-flow, with cooling machine case of set top box internal heat generation element through each heater element in the cabinet.This structure need not labyrinths such as fan, only this simple structure of ventilation hole need be set, utilize hot-air to rise, form free convection, can dispel the heat to machine case of set top box effectively, thereby omit device such as fan and save its required energy resource consumption, reduce cost greatly, and the life-span of increase set-top box.And this ventilation hole mode thoroughly solves and eliminated the noise that traditional cabinet uses fan to bring, and meets the environmental protection demand.
Description of drawings
Fig. 1 is the schematic perspective view of the machine case of set top box of the utility model embodiment.
Fig. 2 is the covering plate structure schematic diagram of the machine case of set top box among Fig. 1.
Fig. 3 is the base arrangement schematic diagram of the machine case of set top box among Fig. 1.
Fig. 4 is the base plate side partial structurtes schematic diagram among Fig. 3.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
See also Fig. 1,2 and 3, the machine case of set top box 10 that provides for the utility model embodiment, it comprises shell 12, shell 12 has base plate 13, cover plate 16 and side plate, have a plurality of first ventilation holes 15 on the base plate 13, the position of departing from first ventilation hole 15 on the base plate on the cover plate 16 has a plurality of second ventilation holes 17.
In illustrated embodiment, shell 12 also comprises front panel 11, backboard 14, side plate 18 except that comprising base plate 13 and cover plate 16, and front panel 11 and backboard 14 also can be called front side board and dorsal plate.Be provided with power panel 21, mainboard 22, central processing unit 23, wire line MODEM (CableModem) plate 24, tuner plate 25 and intelligent clamp 26 in this shell 12.Power supply is arranged on the power panel 21 usually and near the right side plate 18 and backboard 14, central processing unit 23 is arranged on the mainboard 22, and a fin 28 is installed on the central processing unit 23.Power panel 21, mainboard 22, wire line MODEM plate 24, tuner plate 25 and intelligent clamp 26 all can adopt the circuit board form, be respectively arranged with the aperture on these plates greater than 1 millimeter through hole 29, to dispel the heat at the higher components and parts of the heat radiation of installing on these plates.
Wire line MODEM plate 24 is between mainboard 22 and left side side plate 18.Tuner plate 25 is between mainboard 22 and front panel 11.As shown in Figure 1, a plurality of first ventilation holes 15 are positioned at the base plate position at tuner plate 25 places, and in the end of the close front panel 11 of base plate 13, the orientation of a plurality of first ventilation holes 15 is parallel to front panel 11.Be appreciated that a plurality of first ventilation holes 15 also can be arranged at base plate 13 ends near side plate 18, the orientation of a plurality of first ventilation holes 15 is parallel to side plate 18.
As shown in Figure 3, base plate 13 comprises first plane 130 and second plane 132, first plane 130 is primary flats of base plate, power panel 21, mainboard 22, wire line MODEM plate 24, tuner plate 25 and intelligent clamp 26 etc. are installed on it, the position of corresponding power plate 21, mainboard 22, wire line MODEM plate 24, tuner plate 25 and intelligent clamp 26 is provided with a plurality of perforates 19 on first plane 130 of base plate 13, a plurality of perforates 19 also are array format and are distributed on the base plate 13, with 15,17 heat radiations of secondary ventilation hole.A plurality of first ventilation holes 15 are opened on second plane 132.
See also Fig. 3 and 4, second plane 132 of base plate 13 is the equal of that 132 relative first planes 130, second plane upwarp certain altitude a little more than first plane 130, forms step, and this highly is approximately 2.5 millimeters to 3 millimeters.Thereby a plurality of first positions of ventilation hole 15 on base plate 13 are higher than base plate 13 first planes 130, but a little less than the height of above-mentioned each circuit board.Thus, when base plate 13 was positioned on any supporting surface, a plurality of first ventilation holes 15 were unsettled relatively, form the space between second plane 132 and the external support plane, are beneficial to cold air and enter.As illustrated in fig. 1 and 2, the position of a plurality of second ventilation holes 17 is near the top of fin 28, and is located on the cover plate 16 near the end of backboard 14, and the position of promptly a plurality of second ventilation holes 17 and a plurality of first ventilation hole 15 are diagonal position.Be appreciated that a plurality of first ventilation holes 15 are located on the base plate 13 end near backboard 14, and a plurality of second ventilation hole 17 is located on the cover plate 16 end near front panel 11.
A plurality of first ventilation holes 15 are array and are arranged on the base plate 13, and same, a plurality of second ventilation holes 17 also can be array and be arranged on the cover plate 16.A plurality of first ventilation holes 15 and/or a plurality of second ventilation hole 17 comprise the above hole of three rows, are preferably three and are discharged to five ventilation holes of arranging.Comprise three row's ventilation holes in illustrated embodiment respectively, every row's ventilation hole 15,17 length along whole base plate 13 (as shown in Figure 3) or Width extend distribution.Each ventilation hole be shaped as circle, ellipse, rectangle or its combination in any.A plurality of first ventilation holes 15 are that cold air enters the main thoroughfare in the cabinet 10, and hot-air is then mainly discharged by a plurality of second ventilation holes 17, also can be discharged by the ventilation hole on the base plate 13 certainly, or be given out by other holes.
When machine case of set top box 10 uses, cold air is entered in the cabinet 10 by a plurality of first ventilation holes 15, this cold air passes through mainboard 22 after entering cabinet 10, power panel 21, wire line MODEM plate 24, on the tuner plate 25 greater than the through hole more than the 1.0mm, dispel the heat at the higher components and parts of these heat radiations, become hot-air then, form thermal air current, thermal air current rises, major part is discharged to five by three of cover plate 16 and ranked second ventilation hole 17 discharges, the ventilation hole 15 of fraction by base plate 13 flows out, and the heat of central processing unit 23 flows out by 28 heat radiations of the fin on it and from top second ventilation hole 17 of fin.So just in machine case of set top box 10, form a very unimpeded air flow channel, dispel the heat smoothly.Described machine case of set top box is provided with ventilation hole respectively by the position in base plate and cover plate relative depature, can form cooling blast between first and second ventilation holes, makes air-flow through each heater element in the cabinet, with cooling machine case of set top box internal heat generation element.
The machine case of set top box 10 of the foregoing description is provided with ventilation hole 15 and 17 respectively by the position in base plate 13 and cover plate 17 relative depatures, can between first and second ventilation holes 15 and 17, form cooling blast, make air-flow through each heater element in the cabinet, first-class as power supply, central processing unit, wire line MODEM, high frequency, with these heater elements in the cooling machine case of set top box 10.This structure need not labyrinths such as fan, only this simple structure of ventilation hole need be set, utilize hot-air to rise, form free convection, can dispel the heat to machine case of set top box 10 effectively, thereby omit device such as Hot-air fan and save its required energy resource consumption, reduce cost greatly, and can increase the life-span of set-top box.And this ventilation hole mode thoroughly solves and eliminated the noise that traditional cabinet uses fan to bring, and meets the environmental protection demand.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1, a kind of machine case of set top box, it comprises shell, and described shell has base plate, cover plate and side plate, it is characterized in that, has a plurality of first ventilation holes on the described base plate, and the position of departing from first ventilation hole on the base plate on the described cover plate has a plurality of second ventilation holes.
2, machine case of set top box as claimed in claim 1 is characterized in that, described a plurality of first ventilation holes are near the bottom end setting.
3, machine case of set top box as claimed in claim 2 is characterized in that, described a plurality of second ventilation holes are near the patch ends setting, and described patch ends is the end with the bottom end diagonal angle that is provided with first ventilation hole.
4, machine case of set top box as claimed in claim 1 is characterized in that, described a plurality of first ventilation holes are array and are arranged on the described base plate.
5, machine case of set top box as claimed in claim 1 is characterized in that, described a plurality of second ventilation holes are array and are arranged on the described cover plate.
6, machine case of set top box as claimed in claim 1 is characterized in that, described a plurality of first ventilation holes and/or described a plurality of second ventilation hole comprise the above hole of three rows.
7, machine case of set top box as claimed in claim 1 is characterized in that, each ventilation hole be shaped as circle, ellipse or rectangle.
8, machine case of set top box as claimed in claim 1 is characterized in that, the position of described a plurality of first ventilation holes on base plate is higher than 2.5 millimeters to 3 millimeters of base plate primary flats.
9, machine case of set top box as claimed in claim 1 is characterized in that, contains at least one heater element in the described shell, and described heater element is arranged on the circuit board, has the aperture on the described circuit board greater than 1 millimeter through hole.
10, machine case of set top box as claimed in claim 9 is characterized in that, the position of the corresponding described circuit board of described base plate is provided with a plurality of perforates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200920129853XU CN201352820Y (en) | 2009-02-10 | 2009-02-10 | Set-top box case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200920129853XU CN201352820Y (en) | 2009-02-10 | 2009-02-10 | Set-top box case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201352820Y true CN201352820Y (en) | 2009-11-25 |
Family
ID=41376202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200920129853XU Expired - Fee Related CN201352820Y (en) | 2009-02-10 | 2009-02-10 | Set-top box case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201352820Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102763495A (en) * | 2010-02-25 | 2012-10-31 | 汤姆森许可贸易公司 | Small multi-layer radiative cooling box with hidden quick release |
| CN103703875A (en) * | 2011-07-14 | 2014-04-02 | 汤姆逊许可公司 | Set top box having snap-in heat sink and smart card reader with a hold down for retaining the heat sink |
| CN104011818A (en) * | 2011-03-09 | 2014-08-27 | 汤姆逊许可公司 | Set top box with reset button and light guide |
| CN104582434A (en) * | 2014-12-23 | 2015-04-29 | 深圳市九洲电器有限公司 | Heat dissipation structure of set-top box, and set top box |
| US9220185B2 (en) | 2010-05-19 | 2015-12-22 | Thomson Licensing | Set-top box having dissipating thermal loads |
| CN108093280A (en) * | 2016-11-21 | 2018-05-29 | 新疆广电网络股份有限公司 | It is a kind of towards TV, broadband, WIFI terminal vertical air passage cooling system |
| GB2580439A (en) * | 2019-01-07 | 2020-07-22 | Portable Multimedia Ltd | Housing and device |
-
2009
- 2009-02-10 CN CNU200920129853XU patent/CN201352820Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102763495A (en) * | 2010-02-25 | 2012-10-31 | 汤姆森许可贸易公司 | Small multi-layer radiative cooling box with hidden quick release |
| CN102763495B (en) * | 2010-02-25 | 2015-08-05 | 汤姆森许可贸易公司 | Small multi-layer radiative cooling box with hidden quick release |
| US9578783B2 (en) | 2010-02-25 | 2017-02-21 | Thomson Licensing | Miniature multilayer radiative cooling case wtih hidden quick release snaps |
| US9220185B2 (en) | 2010-05-19 | 2015-12-22 | Thomson Licensing | Set-top box having dissipating thermal loads |
| CN104011818A (en) * | 2011-03-09 | 2014-08-27 | 汤姆逊许可公司 | Set top box with reset button and light guide |
| US9363547B2 (en) | 2011-03-09 | 2016-06-07 | Thomson Licensing | Set top box having reset button and light guide |
| CN103703875A (en) * | 2011-07-14 | 2014-04-02 | 汤姆逊许可公司 | Set top box having snap-in heat sink and smart card reader with a hold down for retaining the heat sink |
| CN103703875B (en) * | 2011-07-14 | 2016-10-12 | 汤姆逊许可公司 | Set-top box with snap-fit heatsink and smart card reader, with fixed parts to hold the heatsink |
| US9485884B2 (en) | 2011-07-14 | 2016-11-01 | Thomson Licensing | Set top box having snap-in heat sink and smart card reader with a hold down for retaining the heat sink |
| CN104582434A (en) * | 2014-12-23 | 2015-04-29 | 深圳市九洲电器有限公司 | Heat dissipation structure of set-top box, and set top box |
| CN108093280A (en) * | 2016-11-21 | 2018-05-29 | 新疆广电网络股份有限公司 | It is a kind of towards TV, broadband, WIFI terminal vertical air passage cooling system |
| GB2580439A (en) * | 2019-01-07 | 2020-07-22 | Portable Multimedia Ltd | Housing and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN SKYWORTH DIGITAL TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SKY-WORTH DIGITAL TECHNOLOGY CO., LTD.;SHENZHEN CITY |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 518057 Guangdong city of Shenzhen province Nanshan District Gao Xin Road SKYWORTH building A14 Patentee after: Shenzhen Skyworth Digital Technology Co., Ltd. Address before: 518057 Guangdong city of Shenzhen province Nanshan District Gao Xin Road SKYWORTH building A14 Patentee before: Shenzhen Skyworth Digital Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091125 Termination date: 20160210 |