摘要:
The invention proposes a communication adaptor, comprising within one casing: a transmission antenna, a wired control interface connected to wired control interface terminals, a control circuitry for converting wirelessly received wireless communication signals into wired control interface signals and vice versa, wherein the adaptor is designed such that it can be brought in close contact with a reception antenna of a converter for lighting mean, such as e.g. LEDs, in order to establish a wireless communication, wherein the control circuitry and the wired control interface are powered by means of the wired control interface terminals.
摘要:
The invention relates to a ballast (101) for lighting means, comprising an actively switched power factor correction stage (102), which is implemented in a Totem Pole boost topology, comprising a control circuit (103), which issues control signals for driving switches of the PFC stage (102), wherein the control circuit (103) is on a floating potential and galvanically isolated from a ground potential of the ballast (101).
摘要:
The invention relates to a method for operating LEDs (13), comprising a driver module (10) and an LED module (11) having at least one LED (13), which LED module (11) is controlled by the driver module (10), wherein the driver module (10) has a first connection (1), which is designed to feed the LED module (11) with a current, and has a second connection (2) is present as earth connection (GND), wherein the LED module (11) is fed with a current by the driver module (10) via a first connection (1) and a second connection (2) is present as earth connection (GND), characterized in that the driver module (10) temporarily lowers the voltage at the first connection (1) and monitors the voltage at the first connection (1) and is designed to evaluate a change in the voltage at said connection as a transfer of information from the LED module (11).
摘要:
A power factor correction circuit (11) comprises an input for receiving an input voltage (UIN), an inductance (21) coupled to the input, a switching means (24) that is coupled to the inductance (21) and that is controllable in order to either charge or discharge the inductance (21), and a control device (14). The control device (14) is set up in order to produce a control signal (Ctrl) for controlling the switching means (24) on the basis of a parameter value. The control device (14) is set up in order to ascertain the parameter value on the basis of an arithmetic sign of a time derivation for the input voltage (UIN).
摘要:
A device (1) of a lighting technology network (2) is provided. The device (1) comprises one or more antenna units (102) being configured to communicate in respective preferential directions (103). The device (1) further comprises a processing unit (101). The processing unit (101) is configured to determine, in a commissioning phase of the device (1), an association of each further device (1) of the lighting technology network (2) with a respective preferential direction (103) of a respective one of the antenna units (102) that enables a radio connectivity between the device (1) and the respective further device (1). The processing unit (101) is further configured to communicate, in an operating phase of the device (1), to the further devices (1) using the associated one of the antenna units (102) in the associated preferential direction (103). By communicating to a further device (1) using the associated antenna unit (102) in the associated preferential direction (103), a probability of collisions is reduced in an operation phase of the device (1).
摘要:
Ballast for luminous means, in particular LEDs, having a microprocessor with at least one memory unit and a printed circuit board, having at least one programming interface which is preferably accessible from outside the ballast and at least one signaling interface which is likewise preferably accessible from outside the ballast, wherein the microprocessor can be configured via the programming interface, and wherein at least one item of application software which can be executed by the microprocessor can be transmitted to the at least one memory unit via the programming interface, wherein the application software influences at least one of the following functionalities of the ballast: interaction with sensors, evaluation of signals transmitted to the signaling interface, control of the luminous means, activation/deactivation of interfaces of the ballast, activation/deactivation of communication protocols, acquisition, setting and/or evaluation of operating data and/or operating parameters of the ballast, setting-up of a network and linking of networks.
摘要:
The invention relates to a lighting system for at least one light-emitting means (24), in particular for light-emitting diodes, comprising a light fixture (22, 43, 61), in which the light-emitting means (24) and mechanical components like a housing, cooling element, reflector, etc. are located; comprising a convertor (23) for operating the light-emitting means (24); comprising an operating unit (10) having a charge storage (11), like a smart phone, for example, for changing a mode of operation of the lighting system (20), wherein in a first mode of operation, light is emitted across a first light exit surface by the lighting system (20), and in a second mode of operation, light is emitted across a second light exit surface, wherein the first light exit surface and the second light exit surface have different light emission characteristics.
摘要:
The invention relates to an operating circuit for at least one LED, said operating circuit being supplied with DC voltage or with rectified alternating voltage and providing a supply voltage for at least one LED by means of a coil (L1) and a first switch (S1) clocked by a control/regulation unit (SR). When the first switch (S1) is activated energy is temporarily stored in the coil (L1) and when the first switch (S1) is deactivated said energy is discharged via a diode (D1) and via at least one LED. The control/regulation unit (SR) activates the first switch (S1) when a reactivation condition has been met, and the control/regulation unit (SR) deactivates the first switch (S1) when a deactivation condition has been met. Said reactivation condition and/or deactivation condition can be set in accordance with the current dimming level.
摘要:
The present invention relates to a luminaire having at least one illuminant (6), a luminaire housing (1), and at least one operating device (4), arranged in the luminaire housing (1), for the at least one illuminant (6), wherein the operating device (4) has an antenna (5) for transmitting and receiving a radio signal, and the luminaire housing (1) has at least one slot antenna (2) that is coupled to the antenna (5) of the operating device (4) by means of radiation coupling, a waveguide, or a cavity resonator in order to transmit the radio signal to outside the luminaire housing (1).
摘要:
A switched power converter (102) is arranged for supplying lighting means (108) as a load, having at least one (M40, M41) switch controlled by a control unit (106), wherein the control unit (106) comprises: a feedback controller, such as an ASIC or microcontroller, generating a switch control signal based on a feedback signal (Imeas), such as e.g. the load current (ILED), and a separate sweep block, supplied with a signal representing a characteristic of the load (LED), such as e.g. the load voltage (VLED), and modulating the switch control signal (tout-ctrl) by a cyclic sweep, wherein the modulated switch control signal (tout-sweep) is provided directly or indirectly to the at least one switch (M40, M41).