Tridonic

The present invention provides a fixed output driver. The fixed output driver comprises: a power supply circuit configured to output a constant output characteristic based on a predefined value; an NFC communication module configured to receive one or more control parameters from an external NFC-enabled device; and a control circuit configured to adjust the output characteristic of the driver within a predefined range relative to the predefined value based on the received control parameters, without modifying the predefined value.

The present invention provides a control system (10) for controlling light emission of a luminaire (20) towards a surface (30). The control system (10) comprises a sensor (1) configured to detect light and having a sensitivity in the melanopic region, and a control unit (2). The sensor (1) is configured to be arranged such that the sensor (1) detects light (50) reflected from the surface (30) being illuminated by the luminaire when the luminaire emits light (40). The control unit (2) is configured to determine a melanopic equivalent daylight illuminance, MEDI, of the light emission (40) of the luminaire (20) using a detection result of the sensor (1). The control unit (2) is configured to control the light emission (40) of the luminaire (20) according to the determined MEDI.

Luminaire comprising lighting means configured to provide a light emission of the luminaire by emitting light, a driver, and a control unit configured to control the light emission of the luminaire by controlling an electrical supply of the lighting means from the driver. The control unit is configured to obtain a remaining lifetime of one or more electrical components of the luminaire, and control an indication of the remaining lifetime of an electrical component of the one or more electrical components via the light emission of the luminaire to outside the luminaire by determining one or more parameters, optionally a light intensity, a flashing, and/or a frequency of the flashing, of the light emission of the luminaire dependent on the remaining lifetime of the electrical component, generating one or more control signals according to the one or more parameters, and providing the one or more control signals to the driver.

The present invention provides a surge protection circuit for a Flyback converter, the Flyback converter having a control integrated circuit, IC, with a current-sense pin, and a switching transistor. The surge protection circuit comprises: a surge event detection component configured to detect a surge event based on a mains input voltage to the Flyback converter, and generate an output signal upon detecting the surge event; and a signal path from the surge event detection component to the current-sense pin of the control IC, wherein the output signal is adapted to emulate an overcurrent condition at the current-sense pin, thereby triggering the control IC to halt switching of the switching transistor during the surge event.

The present invention provides a flyback power converter, the flyback power converter comprises: a transformer having a primary winding connected to an input supply and a secondary winding for supplying power to a load, a first switch arranged in series with the primary winding and configured to conduct current through the primary winding during an on-time and interrupt current flow during an off-time, an output circuit coupled to the secondary winding for powering the load; and an auxiliary circuit configured to be active during an off-time of the first switch. In a first phase of the off-time of the first switch, the auxiliary circuit is configured to absorb energy from the transformer; and in a second phase of the off-time of the first switch, the auxiliary circuit is configured to deliver at least part of the absorbed energy to the output circuit.

The present invention provides a building management system (1) configured to receive wireless signals (5), optionally radio signals, transmitted by an electrical device (3) usable by a person (4), the wireless signals (5) comprising an identifier (ID) identifying the electrical device (3); recognize the electrical device (3) on the basis of the identifier (ID) in the received wireless signals (5); determine a distance (d) between a location of a building infrastructure device (2) of the building management system (i) and a location of the recognized electrical device (3) using the received wireless signals (5); determine on the basis of the determined distance (d) whether a condition for controlling the building infrastructure device (2) according to statistical control data associated with the recognized electrical device (3) is fulfilled; and control the building infrastructure device (2) according to the statistical control data in case that the condition is fulfilled.

The present invention provides a driver (10) configured to drive radiation means (20), wherein the radiation means (20) are configured to radiate at least one of visible light, ultraviolet radiation and infrared radiation. Optionally, the radiation means are one or more light emitting diodes (LEDs). The driver (10) comprises a control unit (1) configured to control an electrical supply by the driver (10) to the radiation means (20) when the radiation means (20) are electrically connected with the driver (10). The driver (10) comprises a sensor unit (2) configured to detect at least one of visible light, ultraviolet radiation and infrared radiation. The control unit (1) is configured to wirelessly receive via the sensor unit (2) DALI signals. The control unit (1) is configured to wirelessly transmit DALI signals by controlling the electrical supply of the radiation means (20) by the driver (10) accordingly.

The present invention provides a lighting system (100). The lighting system (100) comprises an electrical component (1) with an internal temperature sensor (2) for obtaining an internal temperature of the electrical component (1) resulting from an operation of the electrical component (1) in an on-state of the electrical component (1), The lighting system (100) comprises a data processing unit (3). The data processing unit (3) is configured to determine, using a temperature measured by the temperature sensor (2) of the electrical component (1), an ambient temperature of an area in which the lighting system (100) is installed. The present invention further provides a method for determining an ambient temperature of an electrical component of a lighting system.

A building infrastructure management system (10) is provided. Said building infrastructure management system (10) comprises multiple building infrastructure devices (11a, 11b, 11c), and a data processing device (12) configured to acquire information and/or measurement data with respect to the building infrastructure management system (10) and/or with respect to at least a part or each of the multiple building infrastructure devices (11a, 11b, 11c). The data processing device (12) is further configured to detect an anomaly with respect to the correspondingly acquired information and/or measurement data and/or with respect to the building infrastructure management system (10) and/or with respect to at least a part or each of the multiple building infrastructure devices (11a, 11b, 11c) based on a machine-learned or pre-programmed model.

The present invention provides a user device (1) for commissioning a sensor device (2) in an area. The user device (1) is configured to generate (11) a three-dimensional model of the area using three-dimensional spatial data of the area, display (12) the generated three-dimensional model of the area to a user (3), receive (13) from the user (3) information on a desired installation location and orientation of the sensor device in the area and on one or more desired spatial conditions in the area to be considered by the sensor device for evaluating detection results of the area by the sensor device (1), generate (14) a second three-dimensional model of the area using the three-dimensional model of the area and the received information, the second three-dimensional model of the area comprising the received information, and provide (15) the generated second three-dimensional model of the area to the sensor device (2).