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Set-top box with snap-fit ​​heatsink and smart card reader, with fixed parts to hold the heatsink

A technology for fixing parts and radiators, which is applied to the structural parts of electrical equipment, electrical components, elastic/clamping devices, etc., and can solve the problems of unsatisfactory clicks of radiators and heat-dissipating pads of set-top boxes.

Active Publication Date: 2016-10-12
THOMSON LICENSING SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing means for securing the heatsink against the thermal pad can result in undesirable rattling between the heatsink and the thermal pad and the set-top box

Method used

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  • Set-top box with snap-fit ​​heatsink and smart card reader, with fixed parts to hold the heatsink
  • Set-top box with snap-fit ​​heatsink and smart card reader, with fixed parts to hold the heatsink
  • Set-top box with snap-fit ​​heatsink and smart card reader, with fixed parts to hold the heatsink

Examples

Experimental program
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Effect test

Embodiment Construction

[0021] Such as figure 1 As shown, the circuit board 5 is packaged in the top cover of the set-top box 1. The thermal barrier 4 is provided between the circuit board 5 and the bottom frame 2. The smart card reader 3 is connected to the circuit board 5 through a hole 9 in the thermal barrier 4. The set-top box 1 has internal components including: a smart card reader 3, a thermal barrier 4, a circuit board 5, and a heat sink 6. The heat sink 6 contacts the circuit board 5 and is positioned on the bottom frame 2 and the top cover 7. between. The thermal barrier 4 includes a heat-insulating material whose contour is preferably substantially the same as the contour of the circuit board 5 or is at least 80% of the area contour of the circuit board 5. The thermal barrier 4 partially prevents the smart card reader 3 and other components below the circuit board 5 from overheating by preventing heat transfer from the circuit board 5 and the components thereon.

[0022] The heat sink 6 is...

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PUM

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Abstract

The present invention provides a fixing part for an electronic device including a bottom frame, a circuit board mounted above the bottom frame, a heat dissipation pad mounted on the circuit board, and a heat sink associated with the heat dissipation pad. The securing member includes a frame defining a perimeter having a plurality of retainers configured to engage a plurality of mating locations defined on at least the bottom frame to provide retention of the heat sink against Against the biasing force of the circuit board positioned between the bottom frame and the fixed part.

Description

[0001] Cross reference of related applications [0002] This application claims the priority of the U.S. Provisional Application No. 61 / 572,314 whose filing date is July 14, 2011, the content of which is incorporated herein by reference. This application relates to the PCT application PCT / US12 / 028,000 filed on March 7, 2012. Technical field [0003] The present invention relates to a set-top box, and more particularly, to a set-top box having a hold down for holding a radiator. Background technique [0004] Thermal management in the set-top box remains a serious challenge. As more components such as smart card readers are introduced and more functions are provided, which tend to generate more heat, there is a need for an improved thermal management system. [0005] The additional complexity in the set-top box is the need to reduce the size of the set-top box due to consumer preferences. This trend with regard to compactness also makes thermal management a challenge, as greater comp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N21/41H05K7/20
CPCH05K7/2049H05K7/12H05K7/2039
Inventor 威廉·霍夫曼·玻色米奇·杰伊·亨特
Owner THOMSON LICENSING SA