Goods-Carrying Vehicle with Lighting Units that can be Controlled by Means of Plc (Power Line Communication)
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Abstract
The invention relates to a utility vehicle, in particular a truck with or without a trailer, having an on-board electric power system (1) for supplying power to electrical loads of the vehicle, having a plurality of lighting units (2) which are connected to the on-board electric power system (1) and which emit light when they are activated, and having a plurality of switches (3) for activating the lighting units (2). The switches (3) advantageously activate at least some of the lighting units (2) by means of PLC via the on-board electric power system (1).
21 Citations
28 Claims
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1-8. -8. (canceled)
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9. A utility vehicle comprising:
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an on-board electric power system for supplying power to electrical loads of the vehicle, a plurality of lighting units which are connected to the on-board electric power system and which emit light when activated, a plurality of switches for activating the lighting units by way of PLC via the on-board electric power system, a central unit connected to the on-board electric power system and adapted to generate switching instruction signals as a function of switch signals transmitted via the on-board electric power system, wherein said central unit feeds said switching instruction signals into the on-board electric power system, wherein when a lighting element in one of the lighting units fails, the central unit modifies a switching instruction signal which is necessary to activate the lighting element in such a way that, instead of the lighting element, another lighting element of said one of the lighting units or of another of said lighting units is activated, wherein the switches are connected to a switch branch of the on-board electric power system, wherein the lighting units are connected to a lighting branch, decoupled from the switch branch, of the on-board electric power system, wherein the lighting units are equipped with first PLC transceivers and the switches are individually or severally equipped with second PLC transceivers, and wherein the central unit is connected to both the switch branch via a third PLC transceiver and to the lighting branch via a fourth PLC transceiver. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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Specification