POWER SUPPLY SYSTEM OF ONE OR MORE LIGHTING MODULES WITH LIGHT-EMITTING DIODES, ASSOCIATED LIGHTING SYSTEM AND ASSOCIATED POWER SUPPLY METHOD

摘要

The inventive power supply system (8) for one or more lighting modules (6a, 6b, 6c) with light-emitting diodes comprises an electrical power source (14) able to be connected to the or each lighting module (6a, 6b, 6c) via an electrical connection (16a, 16b, 16c) and a detection device (22) for detecting a connection direction of the or each lighting module (6a, 6b, 6c).;The detection device (22) comprises, for the or each lighting module, injection means (50) for injecting a setpoint current, first comparison means (52) for comparing a voltage measured on the corresponding electrical connection (16a, 16b, 16c) following the injection of the setpoint with a first voltage threshold, and inversion means (54) for inverting the polarity of the lighting module (6a, 6b, 6c) when the voltage measured on the corresponding electrical connection (16a, 16b, 16c) is greater than or equal to the first voltage threshold.;When the voltage measured on the corresponding electrical connection (16a, 16b, 16c) is greater than or equal to the first voltage threshold (S1) for the direct and inverse polarities of the lighting module (6a, 6b, 6c), the first comparison means (52) are capable of incrementing the first voltage threshold by a reference value for one or more future comparisons of said voltage with the first voltage threshold.

主权项

1. A power supply system for one or more lighting modules with light-emitting diodes, the or each lighting module comprising at least one light-emitting diode and being able to be polarized depending on its connection direction according to a direct polarity or an inverse polarity, the light-emitting diode(s) being polarized in direct mode for the direct polarity of the lighting module and in inverse mode, respectively, for the inverse polarity of the lighting module,
the system including:
an electrical power source able to be connected to the or each lighting module via an electrical connection for the or each lighting module,a first measuring device for measuring, on the or each electrical connection, a voltage delivered to the corresponding lighting module and a second measuring device for measuring, on the or each electrical connection, a current delivered to the corresponding lighting module,a detection device for detecting a connection direction of the or each lighting module comprising, for the or each lighting module, injection means for injecting a setpoint current on the corresponding electrical connection, first comparison means for comparing with a first voltage threshold, the voltage measured on the corresponding electrical connection following the injection of the setpoint current and inversion means for inverting the polarity of the lighting module when the voltage measured on the corresponding electrical connection is greater than or equal to the first voltage threshold, wherein when the voltage measured on the corresponding electrical connection is greater than or equal to the first voltage threshold for the direct and inverse polarities of the lighting module, the first comparison means are capable of incrementing the first voltage threshold by a reference value for one or more future comparisons of said voltage with the first voltage threshold.