Power supply device

Details Power supply device Power supply device

1998-12-30

2001-02-20

Gaffin, Jeffrey (Department: 2841)

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

C361S624000, C361S611000, C361S614000, C361S637000, C361S648000, C174S068200, C174S07000A, C174S07100B, C174S08800C, C174S0720TR, C363S142000, C307S147000, C307S150000

Reexamination Certificate

active

06191948

ABSTRACT:

CROSS REFERENCE TO RELATED APPLICATION
This application claims the priority of German Application Nos. 198 04 833.5 filed Jan. 29, 1998 and 198 06 081.5 filed Feb. 14, 1998, which are incorporated herein by reference.
BACKGROUND OF THE INVENTION
The invention relates to a power supply device, used in particular in telecommunications technology. Such a device supplies power to parallel connected, electrical loads by means of side-by-side potential lines and is known from European published patent application number 252 512. The plug-in modules used for such devices have the same basic design as an embodiment disclosed in German patent number 40 40 602. The plug-in module disclosed therein is provided with four parallel-connected outgoing current lines, protected by four side-by-side arranged protective switches that are plugged into the outside of the plug-in module lid. The protective switches are plugged into a base connector, such that they are lined up with their broad sides adjacent to each other. The protective switches have a compact design.
An arrangement with rigid, parallel bus bars is known from a catalog by the company Phoenix Contact GmbH Blomberg, Germany, issue 93/94, relating to the “Innovation in Interface I Bonding Technique,” pp 68, 69. In this arrangement, connecting terminals are pushed one after another onto the separate bus bars. However, these connecting terminals are not plug-in modules.
SUMMARY OF THE INVENTION
It is an object of the invention to design a device for supplying power to parallel connected, electrical loads by means of side-by-side arranged potential lines having a connecting housing that contains connections for supplying the operating potential and plug-in modules that fit against the connecting housing for connecting individual loads.
Since the number of outgoing lines can vary considerably in devices of the above-mentioned type, the device according to the invention can be adapted to a varying number of outgoing current supply lines in a simple production-technological and cost-effective manner.
This object is solved by providing rigid, parallel bus bars which project from one side wall of the connecting housing as the potential lines and plug-in modules having passages that make contact with the bus bars. The bus bars for the potential lines in this case project like skewers from one side of the connecting housing, onto which the necessary number of plug-in modules are arranged, such that they make contact with the housing and/or are pushed together like pieces of meat for roasting on a skewer. Once the plug-in modules are threaded onto the bus bars and slid into place, passages of the plug-in modules automatically make electrical contact with the bus bars. A signal current, an auxiliary current or a ground potential, which are present in addition to the potential current, can be transmitted from the connecting housing to the plug-in modules with the aid of a standard plug-in connection.
According to the invention, it is only necessary to have the bus bars cut to various lengths depending on the number of desired plug-in modules. These represent the only components of the device according to the invention, which vary depending on the number of power supply connections that must be provided. This single variation can be realized in a simple manner.


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patent: 44 40 602 (1987-10-01), None
patent: 0 252 512 (1987-07-01), None

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