The present invention relates to methods and apparatus for securing computer components in a computer device.
Typical computer devices include a number of components assigned to accomplish various tasks. As one example, computer devices generally include one or more processor assemblies that interact with electrical connectors located in the computer device. To ensure a secure connection between the processor assembly and the corresponding electrical connector, many computer devices employ processor-cages. Traditionally, a processor-cage is a box-like structure that fits over the processor assembly, thereby securing the engagement between the processor and its corresponding electrical connector. To access the processor assembly for repair and/or replacement, the processor-cage must be uncoupled from the computer device. Because of this need for accessibility, the region of the computer device located above the processor assembly is generally unused. Therefore, other components of the computer device, such as cooling fans and media devices, are not typically located above the processor assembly and processor-cage.
The optimization of utilizable space generally factors into the design of computer devices. Additionally, industry standards may dictate the dimensions of computer device designs. For example, in a rack system, a rack mountable computer device may be limited to a height of 2U, which is approximately 3.5 inches (≈8.9 cm), as one “U” equals 1.75 inches. Unfortunately, the reservation of regions adjacent the processor and other components for accessibility may increase the overall dimensions of the computer device's design.
Cooling is also important in many computer devices, particularly those with compact enclosures and close assembly of components. For example, side-by-side placement of the various computer components may reduce the efficacy of the cooling features of computer device. Moreover, cooling airflows may become less effective with increased dispersion and lack of focus on the heat producing components.
As discussed below, certain embodiments of the present invention comprise an apparatus for securing components in a computer device. The exemplary apparatus includes a first portion configured to support at least one computer component, such as a floppy drive or a compact disk (CD) drive. The exemplary apparatus also includes a second portion that at least partially maintains the position of a second computer component with respect to the computer device. For example, the second portion may maintain the position of a processor assembly with respect to a chassis of the computer device. Advantageously, the exemplary apparatus provides a mechanism by which the region of the computer device located above the second computer component becomes viable for placement of a number of computer components, thereby improving the utilization of space within computer device.
Turning to the figures,
In the exemplary rack 12, each bay 16 presents an industry standard 2U profile and, as such, may receive conforming computer devices 14 having heights of approximately 2U. As appreciated by those of ordinary skill in the art, 2U computer devices 14 and bays 16 present a height of approximately 3.5 inches (≈8.9 cm), as one “U” equals 1.75 inches. Of course, other rack profiles, such as 1U and non-standard designs, may benefit from the present invention as well. Advantageously, the exemplary rack 12 provides an enclosure that further protects the computer device 14, particularly the sensitive components of the computer device 14, from inadvertent damage. Moreover, the rack 12 facilitates assembly of a plurality of computer devices 14 in an organized and transportable manner.
From time to time, the computer device 14 may require servicing or replacement. Accordingly, to facilitate access to the various components of the computer device 14 and to the computer device 14 itself, a pair of telescoping rails (not shown) may secure the computer device 14 to the rack 12. These telescoping rails may permit inward and outward movement of the computer device 14 with respect to the rack 12, as represented by bi-directional arrow 18. Advantageously, handles 19 located on the computer device 14 may assist a technician and/or operator in displacing the computer device 14 with respect to the rack 12. However, the computer device 14 may also include fasteners 20, such as the illustrated screws, to secure the computer device 14 within the rack 12 and prevent inadvertent movement of the computer device 14 during operation.
The computer device 14 may also include a bezel 22 that contains a number of features advantageous to the operation of the computer device 14, as discussed further below. For example, the bezel 22 may include a hard disk-drive aperture 24 for receiving a hard disk drive 42 (see
The exemplary computer device 14 also includes media devices, such as fixed media devices 42 or portable media devices 44, that store data for use by the computer device 14 and/or the rack computer system 10 (see
During operation, various components of the computer device 14 may generate heat. Accordingly, the computer device 14 may include cooling components 52, such as fans 54, a liquid cooling system 56, and heat sinks 58, to remove heat and improve performance. For example, such cooling components 52 may increase the efficacy of convective cooling within the computer device 14, as discussed further below.
The computer device 14 may permit interaction with a user and/or technician via input devices 60 and output devices 62. For example, input devices may include buttons, switches, a keyboard, a light pen, a mouse, and/or a voice recognition system, all of which allow the user and/or technician to provide commands and input instructions to the computer device 14. Output devices 62, by way of example, may include a liquid crystal display (LCD), a cathode-ray tube (CRT), a series of light emitting diodes (LEDs), and/or an audio display, among others.
The computer device 14 may also communicate and interact with other devices that are appropriately linked, i.e., linked devices 64. For example, the computer device 14 may interact with other computer devices 14 that are disposed within one or more racks 12 (see
To operate, the computer device 14 may receive power from a power supply 66. By way of example, the computer device 14 may receive power from an AC power source, such as an AC adapter plugged into a wall outlet. Advantageously, the AC adapter may rectify the AC power to an appropriate DC power for use by the components of the computer device 14. Alternatively, if the computer device 14 is portable, the power supply 66 may include permanent batteries, portable batteries, and/or rechargeable batteries. Moreover, the power supply 66 may also include a DC adapter for plugging into a vehicle's cigarette lighter, for instance.
The computer device 14 may also include a plurality of cooling fans 54 located between the bezel 22 and the processor assemblies 68. These cooling fans 54 draw air in through the louvered section 30 of the bezel 22 and generate airflow across the processor assemblies 68. Advantageously, this generated airflow increases the efficacy of convective cooling across fins 70 of the heat sinks 58. Additionally, cooling fans 54 located proximate to other heat generating components of the computer device 14 may generate convectively cooling airflow that is focused on particular heat generating computer components. For example, a cooling fan 54 located adjacent to a hard drive cage 72, which is configured to support a hard disk drive 42 (see
The exemplary computer device 14 also includes a computer component support structure pivotably coupled to the chassis 17, such as the illustrated media tray 76.
The exemplary media tray 76 provides a support substrate for securing the media devices 44 and 46 (see
The exemplary media tray 76 also includes a number of features that at least partially secure various components of the computer device 14 with respect to the chassis 17, as discussed further below. For example, the media tray 76 may include retention tabs 78 and 79 that extend from the media tray 76 and that interact with each of the processor assemblies 68 to maintain the position of the respective processor assemblies 68 with respect to the chassis 17 of the computer device 14. Additionally, the media tray 76 may include one or more resilient members, such as the illustrated leaf springs 80, that provide securing forces to components of the computer device 14. For example, each of the four illustrated leaf springs 80 may provide securing forces to secure engagement of a corresponding processor assembly 68 with respect to electrical connectors in the computer device 14, as discussed further below. Advantageously, the media tray 76 may include a latch assembly 82 that secures the media tray 76 in a closed configuration with respect to the chassis 17. For example, the latch assembly 82 may interact with the chassis 17 and/or the bezel 22 to prevent pivotal movement of the media tray 76 from the closed configuration. However, by actuating the latch 82, an operator and/or technician may release the media tray 76 for pivotal movement to the open configuration, as discussed further below.
With respect to the orientation of
As discussed above, the media tray 76 may include features that assist in securing the computer components located below the media tray 76 with respect to the chassis and/or electrical connectors. For example, the retention tabs 78 may interact with the heat sink 58 of the processor assembly 68 to prevent horizontal movement of the processor assembly 68, as indicated by the bi-directional arrow 89. Advantageously, the tabs 78 may prevent or hinder horizontal movement of the processor assembly 68 due to shock and/or inadvertent movement. Advantageously, the media tray 76 may include one or more pairs of retention tabs 78 and 79 that resiliently interact with nonadjacent sides of the processor assembly to produce laterally securing forces that restrict movement of the processor assembly 68, as indicated by arrows 90. These forces 90 prevent inadvertent disengagement of the processor 34 and processor assembly 68 from the interposer 87.
Additionally, each illustrated leaf spring 80 may bias the corresponding processor assembly 68 into engagement with its respective interposer 87. In the illustrated closed configuration, the leaf spring 80 provides a downwardly directed securing force that biases the processor assembly 68 towards the interposer 87, as represented by arrow 92. This force 92 secures the engagement between the interposer 87 and the processor 34 and the processor assembly 68. Although the foregoing discussion relates to the securing of a processor 34 and a processor assembly 68 to an interposer 87, the tabs 78 and the leaf spring 80 may be similarly configured to secure other computer components (e.g., cooling fans 54) of the computing device 14.
Additionally, the media tray 76 may direct airflow generated by the cooling fans 54 across the processor assembly 68. For example, the cooling fans 54 may draw in air through the louvered section 30 of the bezel 22, as represented by arrow 94. The cooling fans 54 then focus airflow through the processor assembly 68, as represented by arrows 96. In the exemplary computer device 14, the base portion 86 of the media tray 76 and the chassis 17 cooperatively define an airflow channel. Moreover, as airflow meets the solid face of the processor assembly 68, airflow is at least partially directed upward, as represented by arrow 98. However, as upwardly traveling airflow 98 meets the relatively solid profile of the media tray 76, airflow is at least partially directed back toward the processor assembly 68, as indicated by the direction of arrow 96. Accordingly, a substantial amount of airflow generated by the cooling fans 54 travels across or through the processor assembly 68, thereby increasing the efficacy of the convective cooling within computer device 14.
As stated above, the computer components located beneath the media tray 76 (e.g., the cooling fans 54 and the processor assembly 68) may benefit from maintenance and/or replacement from time-to-time. Accordingly, with the computer withdrawn from the rack 12, an operator and/or technician may pivot the media tray 76 upwardly (as represented by directional arrow 100) into an open configuration (see