Electricity: conductors and insulators – Boxes and housings – Hermetic sealed envelope type
Utility Patent
1998-06-30
2001-01-02
Kincaid, Kristine (Department: 2831)
Electricity: conductors and insulators
Boxes and housings
Hermetic sealed envelope type
C361S724000, C361S725000, C361S730000
Utility Patent
active
06169249
ABSTRACT:
BACKGROUND OF THE INVENTION
The invention relates generally to electrical cabinets adapted to store, or house, electrical components, and, more particularly, to electrical components used in data storage and transfer systems.
As is known in the art, electrical cabinets are used to store, or house, a variety electrical components such as printed circuit boards, batteries, cables, data servers, laptop computers, and other processing units. The electrical cabinets allow the components within the cabinet to be interconnected and also allow the internal components to be connected to components external to the cabinets. The cabinets typically have an access door and a number of compartments to store the various components. A remote workstation or laptop computer may be provided at the cabinet to assist with on-site repair or other functions. In addition, the individual components within the cabinet may be replaced or removed to a different location for repair.
As noted above, the components may be electrically interconnected with other components that are external to the cabinet. The components are connected by cables that extend from the component within the cabinet, through a space in the floor of the cabinet, and to another component external to the cabinet. All cables exiting the cabinet extend through the same space and are adjacent to one another. Therefore, the collection of cables may induce electromagnetic interference with one another, especially with higher frequency cables. The interference can degrade performance of the electrical components of the cabinet.
SUMMARY OF THE INVENTION
In accordance with the invention, a cabinet is adapted for storage of internal electrical components. The components may be electrically interconnected to external electrical components that are external of the cabinet. The cabinet includes a pair of perpendicular panels spaced from each other to provide a passage through the cabinet. A plate mounts to the pair of panels over at least a portion of the passage. A plurality of electrical connectors extend through the plate and have a predetermined spatial relationship.
Each connector includes electrical conductors to provide electrical connections through the panel. The electrical conductors are electrically isolated from the one another.
One preferred embodiment of this aspect of the invention includes several features. The plate mounts to the panels along perpendicular mounting flanges. The flanges are located on opposite sides of the base of the plate. Each of the flanges mounts to a corresponding one of the panels. The plate is secured by fasteners that are captive to the plate, and is manually removable from the panels. The electrical connectors extend through the base of the plate. Each electrical connector has an end located in the cabinet for electrical connection to the internal electrical components and an end located external to the cabinet for electrical connection to the external electrical components.
The electrical connectors are adapted to connect coaxial cables that carry electrical signals, especially radio frequency signals, at a relatively higher frequency than other electrical cables exiting the cabinet. Each connector has two conductors separated by a dielectric material. The outer conductor provides a common ground. The plate has markings that identify the connectors.
Each embodiment of the invention may include one or more of the following advantages. The invention reduces or eliminates electromagnetic interference between cables that carry electrical signals, especially high frequency cables. The invention provides a visual reference to interconnect components in an efficient and orderly fashion. The invention provides a bulkhead at an opening in an electrical cabinet. The invention provides one or more open spaces adjacent to the bulkhead through which additional or different cables may exit the electrical cabinet. The invention is manually removable and insertable.
REFERENCES:
patent: 5175670 (1992-12-01), Wang
patent: 5721396 (1998-02-01), Daoud
patent: 5798485 (1998-08-01), Rohde et al.
patent: 5808871 (1998-09-01), Rosecan et al.
patent: 5814762 (1998-09-01), Tusler et al.
patent: 5859767 (1999-01-01), Fontana
patent: 5995376 (1999-11-01), Schultz et al.
Markovich Nikolai
Nelson Erik
Teachout Jeffrey
Daly, Crowley & Mofford LLP
EMC Corporation
Kincaid Kristine
Walkenhorst W. David
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