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Heat transfer assembly

專利號
US11800687B2
公開日期
2023-10-24
申請人
DISH Network L.L.C.(US CO Englewood)
發(fā)明人
SvitLana Trygubova; Steven Allen Nedved
IPC分類
H05K7/20; H05K9/00
技術(shù)領(lǐng)域
heat,thermal,transfer,spring,graphite,pad,may,sheet,or,assembly
地域: CO CO Englewood

摘要

A heat transfer assembly includes a heat plate coupled to a spring and to a graphite sheet. The spring is at first location corresponding to a heat source in an assembled device. The graphite sheet extends over at least a middle portion of the spring and over portions of the heat plate. The graphite sheet is coupled to a thermal pad positioned above a given surface of the heat source. The spring provides a compressive force on the thermal pad when the device is in an assembled state. The compressive force enhances thermal conductivity between the heat source and the heat transfer assembly. The heat plate may be positioned within and thermally coupled to a cover of the device. Principally by use of the thermal pad, graphite sheet, and thermal plate, heat generated by the heat source is transferred to the cover and then to the external environment.

說明書

For example, a heat plate 104 (“HP”) may be selected with thermal properties which facilitate a given heat transfer rate Q?HP and/or a given heat flux or thermal flux FHP from a graphic sheet 108 (or a portion thereof) to one or more of an internal device environment, a top cover 102 of the device 132, and/or to an external device environment (for example, by radiation of heat using convection through one or more vents or slots in a top cover 102).

The heat plate 104 may be sized to accommodate the thermal properties and heat transfer properties specified for one or more heat sources 122 therein. The heat plate 104 may be configured to abut an enclosure, such as a top cover 102, or other member of a device 132, and to receive heat conducted from a heat source 122 in the device 132. The heat plate 104 may be configured to transfer the heat it receives from one or more heat sources 122 to an internal device environment, to an external device environment, and/or to other components 124 within a device 132.

It is to be appreciated that heat sources 122 and other components 124 within a device 132 may mechanically, thermally, and/or electrically interconnected by use of a printed circuit board (PCB) 120, wiring, or other known structures. Accordingly, the transfer of heat from any given component, such as a first heat source 122-1 is facilitated by an implementation. It is to be appreciated that the heat plate 104 may also be configured to transfer heat from one or more heat source 122 in a device 132 to one or more heat absorbing and/or other components 124 and/or environments within and/or external to a device 132.

權(quán)利要求

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