Circuit arrangements not adapted to a particular application (H05B33/08)

H   Electricity(224757)
H05B33        Electroluminescent light sources(330)
H05B33/08                     Circuit arrangements not adapted to a particular application(120)

Driver diagram of light-emitting diodes // 2628528
FIELD: lighting.SUBSTANCE: LED driver circuit comprises at least one (10) LED chain (12) connected in series and a power source for converting the AC mains voltage to an output voltage (Uout) applied to said at least one LED chain (10). The power supply includes a single-stage up converter (14, 16) configured to directly convert the AC mains voltage to an output voltage (Uout). The boost converter (16) is a multi-level converter having a key (S1-S4) And a capacitor (C1-C4), respectively associated with each level, the capacitors of different levels being connected in series, and the corresponding (10) LED chain (12) is connected in parallel to each of the capacitors. The converter includes an inductor and further comprises a controller (Q) configured to actuate the keys (S1-S4) in a critical intermittent mode, in which the current flowing through the inductor (L; L1-L4), can fall to zero only in the established period.EFFECT: increasing the efficiency of the converter.9 cl 7 dwg

ethods and devices for reading the light output and controlling the light output // 2628406
FIELD: lighting.SUBSTANCE: method of directing light to a photosensitive surface comprises the steps of: associating the first sensor of a photosensitive surface with at least one of a plurality of light-emitting diodes; associating a second sensor of said photosensitive surface with at least one of said plurality of light-shaping LEDs; tracking the light intensity of the first sensor for said first sensor and the light intensity of the second sensor for said second sensor; detecting the locked state of the first sensor in said first sensor when said light intensity of the first sensor is below a threshold level for the first sensor; forming a first light output from at least one of said light-shaping LEDs associated with said first sensor when said first sensor is located in the said locked state of the first sensor; detecting the locked state of the second sensor in the said second sensor, when said light intensity of the second sensor is below the threshold level for the second sensor; and forming a second light output from at least one of said light-shaping LEDs associated with said second sensor when said second sensor is located in the said locked state of the second sensor.EFFECT: simplification of lighting control.14 cl, 18 dwg

Lamp device and method for lamp device operation // 2628102
FIELD: lighting.SUBSTANCE: according to one version, a lamp device (1) is provided which has a lighting module (3) and two pairs of external connecting pins (5aa, 5ab, 5ba, 5bb) to connect the lamp device to the lighting fixture supply voltage. The first clamp of the lighting module is connected to the pin of the first pair of pins by a switch which is closed in response to the voltage difference between the pins of the first pair and the pins of the second pair exceeding the corresponding threshold voltage.EFFECT: increased safety of use.15 cl, 6 dwg

Individually controlled matrix of the radiation elements // 2627729
FIELD: physics.SUBSTANCE: method is carried out by the consecutive connection of radiating elements (for example, laser-diode pixels). In such a pixelated pathogen components and difficulty in calculating per pixel are reduced by concatenating the widest possible number of radiating elements, feeding managed agent chain, shunting pixels that should be in the off position, the switch that is connected in parallel to the radiant element of the binary information stored locally on/off for each pixel, the establishment of buffer power for switches and control the transfer of information in the buffer storage, and switches.EFFECT: providing a method and apparatus for controlling the VCSEL matrix or a matrix of radiating elements of other types, through which a matrix with a high power density or high speed is provided.14 cl, 6 dwg

Adaptation scheme for led connecting to ballast // 2625333
FIELD: lighting.SUBSTANCE: adaptation circuits (1) contain the conversion circuits (2) for converting voltage and current input signals, coming from the ballast circuit (8) into voltage and current output signals, intended for the light circuit. The conversion circuits (2) reduce the amplitudes of the voltage input signals up to the values below the predetermined values during the predetermined time intervals, after the electric power from the ballast circuits (8) is transferred to the conversion circuits (2). These time intervals are synchronized with the voltage input signals periods. Between the first discharge states for the power discharge and the second release states for the power release, the third states are introduced, such as holding states for power holding. These third states allow to the corresponding quantities, which test on itself the ballast circuits 8, to remain comparable to the situation, when gas-discharge lamps were powered.EFFECT: possibility to replace the gas-discharge lamps with the light circuits with light-emitting diodes, while keeping the ballast circuits, intended for connection to gas-discharge lamps.15 cl, 7 dwg

ethod and device for excitting the chain of leds // 2625332
FIELD: physics.SUBSTANCE: invention relates to a method and apparatus for driving a chain of LEDs from a first LED segment (11) and at least one additional LED segment (12, 13, 14) connected in series. Each LED segment has at least one light emitting diode (LED). A chain of light-emitting diodes is fed with the rectified voltage of a feeding network of an alternating current. The first LED segment (11) is powered when the rectified AC supply voltage is above the first voltage level, and the first LED segment and the additional LED segment are energized when the rectified AC supply voltage is higher than the second voltage level higher than the first voltage level. The first LED segment emits light having a first colour temperature and an additional LED segment emits light having a second colour temperature higher than the first colour temperature. The light emitted by the first LED segment and the light emitted by the additional LED segment overlap, with the first LED segment emitting red, orange, yellow or amber light, and the additional LED segment emits white light.EFFECT: automatic achievement of the visual effect of dimming with a warm colour as in an incandescent lamp, when the brightness of the light source decreases and the colour of the light becomes warm.7 cl, 9 dwg, 1 tbl

odernized leds (light-emitting diodes) exciter circuit and method of its operation // 2624250
FIELD: lighting.SUBSTANCE: LED exciter circuit (3) comprises at least an input section (6) to receive operating voltage from the power supply (2), an output section (8) to connect to at least one LED unit (5), a power converter (7) connected to the said input section (6) and the said output section (8) and configured to provide a lamp current (50) in the output section (8) while operating in at least first and second operating states. In order to provide an operationally flexible circuit (3) capable of operating with a plurality of different power supplies and in different load modes, in the first operating state, the power converter (7) is configured to switch between the high current generation mode (40) in which the power converter (7) is configured to select current pulses from the said power supply (2) to provide the first average input current (33a) and an off state (42) in which no current is selected from the said power supply (2). In the second operating state, the power converter (7) is at least configured to operate in a low current generation mode (41), wherein the power converter (7) is configured to select current from the power supply (2) to provide the second average input current (33b), which is lower than the first average input current (33a).EFFECT: increased efficiency in a variety of operation modes.14 cl, 8 dwg

Led lighting system // 2623497
FIELD: lighting.SUBSTANCE: power supply circuit, which is designed to supply the LED current, is equipped with input terminals (K1 and K2), which are intended for connection to a supply voltage source and output terminals (K3 and K4), a modulation scheme (MS, DC2), connected between the output terminals, which is designed to alternately maintain the voltage between the output terminals at a high level during the first time interval and at a low level during the second time interval, a current sensor (R1, R2, S1), which is designed to read current flowing through the output terminals during the second time interval, a defining circuit (DC1, DC2), connected between the input terminals and the output terminals, and connected to a current sensor which is designed to generate LED current from the supply voltage supplied by the power source, where the LED current is equivalent to the current read by the current sensor multiplied by a predetermined constant factor, and is also intended to supply LED current to the output contacts during each first time interval. The LED lighting system further comprises a LED module including LED module input terminals (K5, K6), which are intended for connection to the output terminals of the power supply circuit, LED element load (LS) connected between the input terminals of the LED module with direct voltage exceeding the voltage between the output terminals of the power supply circuit during each second time interval, and a current source (CS), connected between the LED module input terminals, which is designed, in the case of LED module input contacts connection to the power supply source output contacts to generate sensor current during each second time interval, to flow through the current sensor, which is equivalent to the required LED current divided by the predetermined constant factor.EFFECT: simplified circuit and reduced number of wiring connections in the LED lighting system.5 cl, 4 dwg

odified led lamp with bypass capacitors, parallel rectifying diodes for using with ballast // 2623093
FIELD: lighting.SUBSTANCE: lamp includes the LED load (LS), containing a series connection of the LEDs, the first circuit of the lamp end, containing the first lamp contact (LP1) and the second lamp contact (LP2) for connecting to the first terminal of the lamp contact, including in the high frequency ballast of the fluorescent lamp, the first rectifier (D1-D4; D1, D2), equipped with at least one input terminal, connected to the second lamp contact and also to the first and the second output terminals connected to respective ends of the light-emitting diode loading, wherein the first rectifier consists of at least two diodes, one of which is bypassed by the first capacitor (C1), the second circuit of the lamp end, containing the third lamp contact (LP3) and the fourth lamp contact (LP4) for connecting to the second terminal of lamp contact, including in the high frequency ballast content of the fluorescent lamp, the second rectifier (D5-D8, D5, D6), equipped with at least one input terminal, connected to the fourth lamp contact, as well as with the first and the second output terminals, connected to the corresponding ends of the light-emitting diode loading, wherein the second rectifier contains at least two diodes, one of which is bypassed by the second capacitor (C2), wherein the first capacitor and the second capacitor form a serial connection, connected between the second lamp contact and the fourth lamp contact.EFFECT: ability to provide the LED replacing lamp, having a relatively small number of components which can be directly connected to the lamp contact terminals of the fluorescent lamp ballast, preferably to the high frequency ballast of the fluorescent lamp, in order to replace the fluorescent lamp, and consume less power than the fluorescent lamp, for which the high frequency ballast of the fluorescent lamp was designed.9 cl, 4 dwg

Self-adjusting lighting driver for light sources agitation and lighting device including a self-adjusting lighting driver // 2622388
FIELD: lighting.SUBSTANCE: lighting device (100) includes a module (120, 300) of light emitting diodes (LED) and a lighting driver (110, 200) connected to the LED modules. Each LED module includes a LED (323) and at identification current source (324) that supplies the identification current to the identification current output unit (180, 380). All identifying current output units are connected together for common identification current supply with a magnitude which varies in response to the number of LED modules that are connected to the lighting driver. Lightning driver includes a controllable current source (220 or 250) for LED energizing current supplying to the LED modules and a controller (230) which responds to a general identification current for controlling a controlled current source to supply a LED energizing current with a magnitude that varies in response to the number of LED modules that are connected to the lighting driver.EFFECT: reduced energy losses.15 cl 3 dwg

ethod and device for lighting the space with garland of light-emitting diodes // 2622036
FIELD: lighting.SUBSTANCE: in the method of lighting at least part of the space used garland light emitting diodes (LEDs). This LEDs garland comprises a first segment and at least one additional segment LEDs that are connected in series, each segment LEDs comprises at least one LEDs. LEDs Garland is powered with rectified AC voltage. The first segment LEDs is energized when the rectified AC voltage is higher than the first voltage level, and the first segment LEDs and LEDs powered overlay when the rectified AC voltage is above a second voltage level that is higher than the first voltage level. The first segment is the LEDs to emit light in the first amount of space, and the additional segment LEDs arranged to emit light in the second volume of space, wherein the first volume is at least partially different from the second volume. The first volume can at least partially overlap the second volume.EFFECT: simplified management of spatially distributed light.14 cl, 1 tbl, 15 dwg

Led-backlight system and display device // 2621883
FIELD: physics.SUBSTANCE: LED backlight system includes an LCD module and a LED lighting control circuit. The LCD module includes LED strings. The LED illumination control circuit includes a current module, a comparator unit, a control switch block, and a resistance unit, wherein the input of the comparison unit receives voltage from the negative terminal of the LED string, and when the voltage at the negative terminal is greater than a predetermined threshold voltage, the comparison unit translates the control switch unit in the "Enabled" position, while the resistance unit is connected in parallel with the current module to reduce the voltage at the negative terminal.EFFECT: reducing the flicker of the backlight system by reducing the instability of the closed circuit.20 cl, 3 dwg

Bypass device in the lighting control system without neutral conductor // 2621720
FIELD: lighting.SUBSTANCE: device (340), connected to the output terminal of the controller (330), having a single input terminal, connected to the first power terminal of the external power source (305), which provides AC voltage between the first power terminal and the second power terminal, includes the tap-off circuit (342) and the switching configuration (344/346) for detecting if the controller provides power supply to the load (320) or disconnects the load. When the controller is turned off, the switching configuration connects the bypass circuit between the output terminal of the controller and the second power terminal for providing the current path between the output terminal of the controller and the second power terminal. When the controller is turned on, the switching configuration disables the tap-off circuit between the output terminal of the controller and the second power terminal.EFFECT: provision of the necessary leakage current in the controller, when the controller is switched off and disconnects the load, the power to which is supplied from the controller.23 cl, 6 dwg

Replaceable led lamp // 2621059
FIELD: lighting.SUBSTANCE: LED lamp comprises a LED unit (740), network link, the first and second switching devices (710, 720) (eg, first and second relays) and a control unit (730). The control unit (730) detects the ignition voltage in the power line. In response to the detection of the ignition voltage in the power line, the control unit (730) sets the first and second switching devices (710, 720) in the conduction state so that the light module (740) is connected to the power source.EFFECT: increased security when installing LED lamp bulb (700) in reinforcement, engineered for fluorescent lamps.12 cl, 12 dwg

Light source, driver circuit use and method of excitation // 2619262
FIELD: lighting.SUBSTANCE: for the large values of the AC period the light-emitting element is directly powered by AC input signal, actualy aimed by the driver circuit, while at the peak at the converter charges the buffer, preventing the power achievement of the required level excess of the light-emitting element. Then, the stored power can be used for supplying into the secondary stage (or directly to the load, that is the light emitting element) during the low voltage AC input signal phase. Thus the power amount, stored during the time when the power exceeds the upper cutoff amount, approximately equals to the amount of power required to maintain operation during the time, when the power level is lower than the value of the lower cutoff, or than the maximum operating power, so the power supplied to the light emitting element is changed between the upper cut-off value and the lower cut-off, providing the on-going operations.EFFECT: simplification of the light source and the drive circuit design for excitation the light-emitting element of solid light source.13 cl, 11 dwg

Device to improve compatibility of solid-state light sources with intensity control with phase cut-off // 2619055
FIELD: lighting.SUBSTANCE: device includes a connector that provides connectivity to a solid-state light source with a lamp socket configured to accommodate a light source having a filament, and an adapter circuit coupled in parallel with at least one solid-state light source, when the solid-state light source is connected to the socket through the connector. Adapter circuit provides a resistive path for passage of a current through the lamp during the whole or a part of AC cycle of the main supply.EFFECT: device invented to suppress flicker of solid-state light source and increase compatibility of lamp comprising at least one solid state light source.17 cl, 14 dwg

Excitation device and method for the excitation loads, in particular cd (led) bloc // 2618697
FIELD: electricity.SUBSTANCE: drive unit (30) for driving the load (32), in particular LEDs (LED) unit (32) having one or more LEDs, comprises input terminals (45) for receiving an input voltage (V14) from an external source (12) power for the load (32), the current circuit (46) comprising a controllable switch (50) for connecting the input terminals (45) with each other, a measuring circuit (48) comprising a resistor connecting the input terminals (45) between the to provide an AC voltage corresponding to the input voltage (V14), and including a measuring device for measuring alternating voltage in the measuring circuit (48), and a controller for controlling the controllable switch (50) based on the measured alternating voltage.EFFECT: ensuring compatibility with different devices, dimmers, in particular dimmers with phase cut-off.12 cl, 8 dwg

Light-emitting diode light source // 2617442
FIELD: physics.SUBSTANCE: LED light source comprises a rectifier having the rectifier input terminals for connection to the corresponding output terminals of the brightness control with the cut-off phase at the trailing edge. The rectifier input terminals are connected to the main power supply, and having the rectifier output terminals, the first circuit of shunt resistance connecting the rectifier output terminals, the serial arrangement having a unidirectional element and a capacitive means connecting the rectifier output terminals, the converter circuit, the input terminals of which are connected to the respective sides of the capacitive means, and the output terminals are connected to the LED load for generating current through the LED load depending on the brightness control signal, from the voltage present at the capacitive means, the brightness control circuit for generating the brightness control signal depending on the adjustable phase angle for brightness control with the cut-off phase and brightness control signaling to the brightness control input of the converter circuit. The brightness control circuit comprises: a gradient detecting circuit for determining the voltage gradient on the capacitive means and for determining the first phase angle value as an adjustable phase angle, for which the gradient is negative, when the phase angle is less than 90 degrees, a signal generating circuit for generating a sinusoidal signal, which is the voltage of the main power supply, a circuit for activating the first shunt resistance, when the phase angle is 90 degrees, and for disabling the first shunt resistance, when the adjustable angle phase is determined, when the adjustable phase angle is more than 90 degrees, a deviation detection circuit for detecting the voltage deviation at the rectifier output terminals from the sinusoidal signal, for comparing the deviation voltage with the reference voltage and for determining as an adjustable phase angle of the phase angle value, for which the deviation voltage is more than or equal to the reference voltage, when the phase angle is at the range of 90 to 180 degrees.EFFECT: providing LED light source, brightness of which can be adjusted via the brightness control with the cut-off phase at the trailing edge, with the exception of breaks and non-linearities in the relationship between the brightness control signal and the output light.8 cl, 5 dwg

Smooth control of solid-state light source using calculated rate of output signal change // 2617414
FIELD: lighting.SUBSTANCE: invention relates to the lighting control devices. The result is achieved by the fact that the control includes measuring the phase angle of the light brightness control (S322) for the voltage received from the light brightness controller, defining the target light brightness (S323) to be output by the SSL light source, in accordance with the phase angle of the light brightness control, determining the current light brightness (S324) currently output by the SSL light source, and determining the rate of the output signal change (S325) based on the current and the target brightness. The current light brightness, currently output by the SSL light source, is adjusted (S326) to the target brightness by using a nonlinear rate of the output signal change.EFFECT: invention provides a smooth control of the solid-state (SSL) light source.20 cl, 10 dwg

ethod for controlling multi-color signal assembly, and multi-color signal assembly // 2615977
FIELD: electronics.SUBSTANCE: invention relates to a method for controlling a multi-color signal assembly with a multi-color LED, a connection for voltage supply, and a control input. Therefore control input is connected to a control output of a first control unit for controlling signal assembly by pulse-width modulation signals (PWM signals) or to a signal assembly control output by bus communication. After a supply voltage UB is connected to signal system connection with voltage source of signal system, voltage UDI/BUS at control input is measured within a predetermined time span Δt, wherein first control unit has a first voltage at control input within a time span Δt, and second voltage has a second voltage at control input within a time span Δt, wherein first and second voltage differ from each other. Signal is transferred into bus mode or PWM-mode depending on measured voltage UDI/bus, wherein control of signal system in bus mode can be carried out by means of communication via a bus, and control of signal system in PWM-mode can be carried out by means of PWM signals.EFFECT: technical result is improved flexibility of usage of signal system.13 cl, 3 dwg

Electric device and circuit power system // 2615785
FIELD: electricity.SUBSTANCE: invention relates to an electric device for providing an output signal dependent on the electric input signal. Electric device (1) is made to provide constant output when an electric input signal is in the first range of the electric input signal, and a dependent output signal if the electric input signal is in the second range of electric input signal, wherein the dependent output signal depends on the electric input signal. Therefore, the output signal may remain unchanged, even if the input electric signal, which is, preferably, a DC supply voltage, fluctuates within the first range of the electric input signal. In addition, within the second electric input signal range the output signal can be adjusted by controlling only an electric input signal similar to the network DC voltage, without the necessary need for an additional regulation unit of the electric device.EFFECT: invention provides increasing stability to the fluctuations of the electrical input signal and simplifying the adjustment of the output signal.16 cl, 9 dwg

Driver device and driving method for driving load, in particular led unit // 2613524
FIELD: lighting engineering.SUBSTANCE: invention relates to lighting engineering, particularly to drive device (50a-50e) and corresponding driving method for driving load (22), in particular LED unit, comprising power input unit (52) for receiving input voltage (V20) from external power supply and for providing rectified supply voltage (V52), power conversion unit (54) for conversion of said supply voltage (V52) into load current (I54) for powering load (22), charging capacitor (56) for storage of charge and powering load (22), when power is insufficient for powering load (22) and/or power conversion unit (54) extracted from said external power (20) at present moment, and control unit (58) for controlling charging of said charging capacitor (56) with said supply voltage (V52) to capacitor voltage (V56), which can be considerably higher than peak voltage (V52) of said supply voltage, and for powering load (22).EFFECT: higher power factor, efficiency of service life of lighting device.13 cl, 6 dwg

Circuit assembly for selective power supply to distributed loads // 2612646
FIELD: electrical engineering.SUBSTANCE: invention relates to electrical engineering. Circuit assembly for selective power supply to distributed loads (D1-D7, 220-226, 213a-213e) comprises plurality of load segments (10, 20, 30, 40, 50, 60, 70), each of which is electrically connected with, at least, one power supply output to receive variable voltage, wherein each load segment (10, 20, 30, 40, 50, 60, 70) comprises, at least, load unit (D1-D7, 220-226, 213a-213e) and proximity sensor (11) unit, connected to load unit and containing, at least, one reactive device (L1-L7, L1a-L7a, C1-C7, C1a-C7a, 214a-214e, 215d), having reactive resistance, wherein reactive resistance depends on proximity to detection object (100, 102).EFFECT: technical result is increase in efficiency of interactive power supply to loads.15 cl, 6 dwg

Solid-state lighting device brightness control system and method // 2611428
FIELD: lighting.SUBSTANCE: invention relates to control over solid-state lighting devices. Result is achieved by fact, that determination of light output value from solid-state lighting (SSL) device based on dimmer settings includes stages, on which determining dimmer adjustment during reading mode by means of power signal analysis, received from illumination control, dimmer adjustment indicates required level of illumination, determining power, required on SSL device input leads, so that SSL load generated required level of light output, and determining value of correcting signal for correction of power on SSL device input terminals during power receiving mode at least partially based on dimmer determined setting, to make SSL device to generate required level of illumination.EFFECT: technical result is possibility to provide continuous, stable operation of solid-state lighting (SSL) device during illumination adjustment operations and output level of illumination, corresponding to setting.15 cl, 15 dwg

Control device and method of load control with polarity-dependent voltage divider circuit // 2611427
FIELD: machine building.SUBSTANCE: invention relates to load control device, in particular, light-emitting diode unit, having one or more light-emitting diodes. Result is achieved by fact, that device (60) includes input terminals for receiving input voltage (V10) from external power supply source (16) for load power supply (12), connection device (64) for connection of input terminals to each other and to create current path (66, 68), depending on input voltage polarity (V10), wherein device (64) comprises first current path (66) for connection of input terminals in first direction of current and second current path (68) for connection of input terminals in second direction of current, opposite to first direction of current, wherein each of first and second current paths (66, 68) comprises current control unit (88, 90) to control voltage divider current (I3, I4) in corresponding current path (66, 68) and wherein each of first and second current paths (66, 68) comprises disconnection device (92, 94) to lock voltage divider current (I3, I4) in corresponding current path (66, 68) in reverse direction, opposite to corresponding current direction.EFFECT: technical result is creation of load control device, particularly by light-emitting diode unit containing one or more light-emitting diodes, which is compatible with various dimmers, in particular, with phase cutoff dimmers.15 cl, 10 dwg

Driver for connecting light-emitting diode to electronic ballast // 2609130
FIELD: lighting.SUBSTANCE: invention relates to a driver for excitation of a light-emitting diodes circuit. Result is achieved by that provided is driver (1) with first circuit (10) for a detuning resonator of electronic ballast (3). First circuit (10) comprises a serial connection of capacitor (11) and bidirectional switch (12). Serial connection is connected with electronic ballast (3) to receive an AC signal. Driver (1) is provided with second circuit (20) for providing a DC signal to circuit (2) of light-emitting diodes. Second circuit (20) contains a rectifier with input leads connected with the serial connection and output leads connected to circuit (2) of light-emitting diodes. Besides, driver (1) is provided with third circuit (30) to provide a control signal to first circuit (10) for control over the level of power supplied to circuit (2) of light-emitting diodes.EFFECT: technical result is the possibility of replacement of the electronic ballast of a fluorescent tubular lamp or a similar lamp with a LED circuit without removing the electronic ballast.14 cl, 5 dwg

Led exciter // 2608356
FIELD: lighting.SUBSTANCE: invention relates to light-emitting diodes (LED) exciter system, lamp containing such LED exciter system, and method of LED excitation. Result is achieved by fact, that LED exciter system (1) contains current source (4), which supplies power current (i) to parallel arrangement of parallel switch (20) and LED (10). Parallel switch (20) short-circuits LED (10), when it is closed. Controller (15) during usage generates: (i) first control signal (E) to control over current source (4) for change of control mode, whereby power supply current (i) is controlled so, that it had non-zero average level, to attenuation mode, whereby power supply current (i) diminishes during attenuation period (Td), and (ii) second control signal (CSI) to control parallel switch (20) so, that it opened during open period (To), containing attenuation sub-period period (Td).EFFECT: technical result consists in provision of LED exciter system, which provides smaller steps of change in light emission intensity.14 cl, 9 dwg

ethod and device for limitation of positive and negative current emissions in lighting power supply signal shaper // 2606503
FIELD: lighting.SUBSTANCE: invention relates to lighting engineering. Lighting power supply signal shaper has a primary circuit side signal shaper configured to convert the input signal from the power supply source – the mains – into the output signal of the primary circuit side, and a secondary circuit side signal shaper connected to the primary circuit side signal shaper and configured to rectify and filter the output signal of the primary circuit side to supply the output current of the power supply signal shaper for exciting the lighting load. Microcontroller controls the lighting power supply signal shaper at starting so that the secondary circuit side signal shaper is supplied with power, and the primary circuit side signal shaper is in the de-energized state during the period of the smooth start, and after the period of the smooth start the secondary circuit side signal shaper is set to the low level state when power is supplied, and then is set to a state so that the output current of the power supply signal shaper from the secondary circuit side signal shaper increases the lighting load light yield from the initial level of brightness to the rated brightness level without flickering.EFFECT: technical result is the increase of lighting quality.15 cl, 12 dwg

Device and method for controlling current to solid state lighting circuit // 2606502
FIELD: electrical engineering.SUBSTANCE: device for controlling current to a solid state lighting load includes capacitor (241, 341) and current source (245, 345). Capacitor is connected in parallel to solid state lighting load (260, 360). Current source is connected in series with parallel arrangement of capacitor and solid state lighting load. Current source is configured to modulate dynamically amplitude of an input current provided to parallel arrangement of capacitor and solid state lighting load based on an input voltage.EFFECT: technical result is higher power factor and efficiency of lighting element.15 cl, 6 dwg

Power control unit and method for controlling electrical power provided to a load, in particular a led unit, and voltage control unit for controlling an output voltage of a converter unit // 2606387
FIELD: lighting.SUBSTANCE: invention relates to a power control unit and to a method for controlling electrical power provided to a load, in particular a light-emitting diodes (LEDs) unit comprising one or more LEDs. Result is achieved by the fact that power control unit (40) for controlling electrical power provided to a load, in particular, an light-emitting diodes (LEDs) unit (12) comprising one or more LEDs, contains: converter unit (10) having input terminal (42) for receiving input voltage (V10) from external power supply (22) and having output terminal (44) for providing output voltage (V14) to power the load, wherein converter unit (10) comprises switching device (14) for transforming input voltage (V10) to output voltage (V14); control unit (20) for controlling switching device (14); signal means (46) connected to output terminal (44) for applying a voltage or current signal to output terminal (44), wherein control unit (20) is connected to signal means (46) and adapted to control signal means (46).EFFECT: technical result is providing a controller for controlling an output voltage of a converter unit, which provides high efficiency and reduced power losses.12 cl, 9 dwg

System and method of reducing brightness based on the mains signal of solid-state lighting module // 2604869
FIELD: lighting.SUBSTANCE: invention relates to control over solid-state lighting devices. Result is achieved by the fact that a brightness reduction system on the basis of the mains voltage, of a solid-state lighting module includes a transformer, a mains voltage measurement circuit and a processing circuit. Transformer includes a primary winding connected to a circuit of the primary winding and a secondary winding connected to a circuit of the secondary winding, herewith the circuits of the primary and the secondary windings are separated by an insulating sleeve. Mains voltage measurement circuit receives the mains rectified voltage from the circuit of the primary winding and generates a signal of the mains voltage measurement indicating the mains rectified voltage amplitude. Processing circuit receives the mains voltage measurement signal from the mains voltage measurement circuit through the insulating sleeve and transmits a reference signal of brightness reduction to the circuit of the secondary winding in response to the mains voltage measurement signal. Light generated by the solid-state lighting module connected to the circuit of the secondary winding is adjusted in response to the reference signal of brightness reduction transmitted by the processing circuit.EFFECT: technical result is enabling reduction of brightness of light emitted by LEDs basing on the mains voltage.15 cl, 5 dwg

Lighting device and receiver // 2604651
FIELD: lighting.SUBSTANCE: invention relates to lighting engineering with code modulation. Lighting device comprises facility (102) of regulation of light intensity of the output light radiation using multiple modes of regulation of light intensity, each of which is a control mode for light force of the output light radiation from the lighting device by a corresponding method of controlling light intensity, and facility (103) of a code integration into the output light radiation. Facility of a code integration into the output light radiation uses the code modulation based on controlling an instantaneous value of the controlled output light radiation from the lighting device in such a way, that for the code integration an integral value of the controlled output light radiation for time interval T is modulated. In this case after that in a receiver the code can be extracted from the modulated light signal by the integration procedure and by output without availability of information on the light intensity control method and/or on the level of control of light intensity of the lighting device.EFFECT: technical result is simplification of light intensity regulation.11 cl, 6 dwg

High efficiency light-emitting diode circuit // 2604640
FIELD: lighting engineering.SUBSTANCE: invention relates to lighting engineering. Circuit of light-emitting diode (LED) for lighting with increased efficiency uses DC circuit on LED connection circuit load side. LED connection circuit is connected with AC source and includes: rectifier circuit, rectifying current from AC source; control circuit connected to rectifier circuit output; LED load and DC circuit, which are in series connected to control circuit output; capacitor, parallel connected to LED load and DC circuit, which are in series connected to each other, wherein capacitor smoothes rectification circuit output signal; detector circuit, recognizing whether rectified current voltage exceeds preset certain voltage value, which is equal to or exceeds total voltage supplied to LED load with connected LED load, and voltage supplied by DC circuit with LED load switching on. If after recognition by detector circuit rectified current voltage value does not exceed such specified voltage value, control circuit transmits rectification circuit output signal, and if rectified current voltage exceeds this preset voltage value, control circuit acts so that periodically performed rectification circuit output signal first lock operation and rectification circuit output signal second transmission operation.EFFECT: higher efficiency.9 cl, 16 dwg

Interface circuit // 2604636
FIELD: lighting engineering.SUBSTANCE: invention relates to lighting engineering. Interface circuit for light source operation from fluorescent lamp electronic driver is equipped with input terminals (7a, 7b) for connection with fluorescent lamp bulb electronic driver connecting terminals, - with first circuit (5a), mutually connecting first pair of input terminals (7a), - with second circuit (5b) mutually connecting second pair of input terminals (7b), - with third circuit (11, 9), mutually connecting first circuit first terminal (T1) and second circuit second terminal (T2), and containing rectifier (31), wherein above rectifier output terminals during operation are connected with light source. Interface circuit is additionally equipped with first switching element (11) to control third circuit state of conductivity and over fourth circuit, connected with third circuit and containing sensor circuit (8) having output terminal connected with first switching element control electrode for determining high-frequency AC voltage amplitude between first and second terminals and switching of first switching element to conducting state, when high frequency AC voltage amplitude reaches preset value.EFFECT: higher efficiency of fluorescent lamp emulating.15 cl, 6 dwg

ethod and apparatus for increasing dimming range of solid state lighting fixtures // 2603842
FIELD: lighting.SUBSTANCE: device for controlling levels of light output by a solid state lighting load at low dimming levels includes a bleed circuit connected in parallel with solid state lighting load. Bleed circuit includes a resistor and a transistor connected in series, transistor being configured to turn on and off in accordance with a duty cycle of a digital control signal when a dimming level set by a dimmer is less than a predetermined first threshold, decreasing an effective resistance of bleed circuit as dimming level decreases.EFFECT: technical result is reduction of light output by means of solid-state lighting load, when phase or dimming of regulator is set to a low set value.15 cl, 6 dwg

Reliable integration of daylight using coded light // 2602070
FIELD: lighting.SUBSTANCE: invention relates to the lighting device with regulated brightness control combined with a light sensor at the first level of the room and illumination of the second level of the room. Result is achieved due to the fact that the lighting device with regulated brightness control combined with a light sensor at the first level of the room and illumination of the second level of the room output parameters are defined which show ratio between the quantity of light emitted by the lighting device and illumination value of the lighting device at the second level which is obtained from the quantity of emitted light and repeated determination of the value of external illumination at the second level, wherein the value of external illumination is illumination from light sources other than the illumination device, by means of values of currently emitted light, output parameter and information on the light received from the light sensor; and brightness reduction control of the lighting device based on the value of external illumination, to meet the specified condition of full illumination at the second level.EFFECT: technical result is energy saving by light power level control of lighting devices in a room.11 cl, 1 dwg

Light-emitting diode (led) light source with reduced flickering // 2597326
FIELD: lighting.SUBSTANCE: invention relates to devices for driving a light emitting diode circuit. Result is achieved by device for driving a light emitting diode circuit (1) comprises the first and second terminals (11, 12) to be connected to light emitting diode circuit (1), capacitor (31) connected to the first and second terminals (11, 12), switch (41) for, in a conducting mode, bypassing light emitting diode circuit (1) diode (51) for, in the conducting mode, preventing capacitor (31)from being discharged via switch (41). In this way, a reduced switch-on delay is realized without an additional switch being required for activating and deactivating said capacitor (31). Diode (51) is simpler and cheaper and more robust than such an additional switch and does not require control. Preferably, the apparatus comprises additional terminal (13), wherein diode (51) is connected to additional terminal (13) and to one of first and second terminals (11, 12), and switch (41) is connected to additional terminal (13) and to the other one of first and second terminals (11,12).EFFECT: technical result is simpler and more reliable drive of a circuit.8 cl, 2 dwg

Led light source // 2597214
FIELD: lighting engineering.SUBSTANCE: sequence of LED loads is powered by means of rectified voltage from the supply mains. Cathode of each LED load is grounded by means of the sequence. Sequences are made conducting and non-conducting one after another depending on the instantaneous value of rectified voltage from the power supply mains with the use of reading both voltage and current.EFFECT: reduced flicker light and power dissipation.10 cl, 3 dwg

Device and method of load excitation of led unit in particular // 2596850
FIELD: physics.SUBSTANCE: invention relates to a device (40, 50, 60) of excitation and corresponding method of excitation for load excitation (12) of LED unit (12) in particular which includes one or more LEDs, wherein mentioned device includes input supply unit (14) for receiving input voltage (V10) from external source (18) of supply and for provision of rectified voltage (V12) of supply, controlled resistor (48) for load current supply (IL) for load (12) power supply, frequency filter (42) connected with input supply unit (14) to supply voltage (V18) to load (12), wherein frequency filter (42) is connected in parallel to load (12) and is connected to controlled resistor (48) for supply of constant electric power to load (12). Device comprises modulator (52) connected in series with LED unit (12) for current modulation (IL) of excitation and for modulation of emitted light output.EFFECT: simplification of modulation of light output.14 cl, 8 dwg

Linear power supply signal generator for reduced perceptible light flicker // 2596804
FIELD: lighting.SUBSTANCE: invention relates to lighting engineering. Power supply signal generator supplies power to drive at least one light source. Power supply signal generator includes: current stabilizer connected in series with at least one light source and circuit for driving to the required parameters configured to receive alternating supply voltage with primary frequency of about 50 to 60 Hz, and also configured to drive to the required parameters received alternating supply voltage to supply power to at least one light source, wherein voltage driven to the required parameters has non-zero constant component of current and variable component of current, wherein the absolute value of variable component of current at frequency which is four times higher than the primary frequency exceeds the absolute value of variable component of current at the primary frequency, as well as exceeds absolute value of variable component of current in the second harmonic of the primary frequency.EFFECT: reduction of visible light flicker.16 cl, 6 dwg

System and method of controlling maximum output of control voltage of solid-state lighting device // 2595783
FIELD: lighting.SUBSTANCE: invention relates to control over solid-state lighting devices. Result is achieved due to programmable control device for control of solid-state lighting device includes processing circuit, feedback by voltage circuit and power stage. Processing circuit is configured to determine reference voltage signal based on specified value of rated current and preset power limit. Voltage feedback circuit is configured to receive reference voltage signal and determine difference between reference voltage, said signal of reference voltage, and control voltage of solid-state lighting device. Power stage is configured to limit maximum output voltage for control of solid-state lighting device, at least partially, based on certain difference between reference voltage and control voltage of solid-state lighting device provided by voltage feedback circuit.EFFECT: control of solid-state lighting device, wherein control device maximum voltage output can be changed in response to support current and preset power limit.15 cl, 6 dwg

Layout for led unit control and operation method thereof // 2595774
FIELD: lighting.SUBSTANCE: invention relates to lighting and, in particular, to circuit setup for brightness control of at least one LED unit. Result is achieved by the fact that assembly (3, 3′) circuit for brightness control of at least one LED unit (2) contains input (8) to receive working voltage phase cutoff from power supply source (4), processor (14, 14′) of signal processing, connected with mentioned input (8) and adapted to provide signal (12) of light attenuation for mentioned at least one LED unit (2) from the mentioned operating voltage. To ensure effective reduction of noise in signal (12) of light attenuation and simultaneously to provide improved light attenuation of the mentioned LED unit (2) mentioned processor (14, 14′) of signal processing is configured for operation, at least in the mode of noise suppression and light attenuation. Control device (15, 15′) connected with mentioned processor (14, 14′) of signal processing is made and configured to establish a mode of the mentioned processor (14, 14′) of signal processing depending on the change of the mentioned operating voltage.EFFECT: technical result consists in arrangement of circuit for improved brightness control of at least one LED to the emission of light without flickering.13 cl, 9 dwg

Light generating device // 2594747
FIELD: lighting.SUBSTANCE: invention relates to LED light-generating device and mode of operation of LED light-generating device. Light generating device (1) is provided with at least voltage input (21) adapted for receiving a variable voltage, at least three LED circuits (10), coupled with said voltage input (21), wherein each LED circuit (10) comprises LED unit (14) and controllable current regulator (15) to control the current through said LED circuit (10). Light generating device (1) further comprises controllable switch matrix (30) comprising plurality of switches (25, 26, 27), said switch matrix (30) is configured to operate in at least three different switching modes and controller (50), connected at least with said switch matrix (30), configured to determine said variable operating voltage and to control the switching mode of said switch matrix (30) in dependence of the determined operating voltage. To provide an efficient operation of such device (1) with a variable operating voltage, such as an AC voltage, in a first switching mode, said LED units (10) are connected parallel to each other, in a second switching mode, at least two of said LED units (10) are connected in series and in a third switching mode, said LED units 10 are connected in series with each other.EFFECT: technical result consists in accurate control of current in each of the LED circuits regardless of switching mode, even if the LED units have different electrical characteristics.18 cl, 13 dwg

Light source containing led tape // 2594293
FIELD: lighting. SUBSTANCE: invention relates to source of light on LED (light-emitting diodes), containing at least one LED tape. Result is achieved by fact that LED light source comprises: tape LED, fed by pulsed power supply, load with multiple parallel sequential assemblies connected between input contacts, wherein each serial layout includes in-series circuit of LED and resistor, and common contacts of resistors and LED chains, all connected to each other, that provides low dissipated power and high degree of independence of DC supply voltage amplitude feeding pulse source of supply. LED light source allows arbitrary placement of lighting or presence sensor. EFFECT: implementation of LED light source with high efficiency and low sensitivity to input voltage drops. 12 cl, 8 dwg

Control of power transmission over ethernet set // 2594292
FIELD: instrument making. SUBSTANCE: invention relates to control unit (1) and a method for such unit control in power transmission over Ethernet (PoE) set. Control unit (1) contains at least one first port (12a), to which external device (2) can be connected, and it is made with the possibility of power control delivered on first port (12a) depending upon the predetermined rules for switching. EFFECT: technical result is the simplification of light intensity level control in separate lamps. 14 cl, 1 dwg, 1 tbl

Lighting device and method of transitioning colour outputs // 2591043
FIELD: transport.SUBSTANCE: invention relates to vehicle lighting devices. Method of transitioning from one output colour to another in a lighting device includes activating lighting device to output a first colour light, and deactivating first colour light. Method also includes a step of generating an intermediate colour light for a short time period. Method further includes a step of generating a second colour light. Accordingly, intermediate colour light prevents generation of an undesirable intermediate colour light.EFFECT: technical result is avoiding undesirable colour mixing in a vehicle.10 cl, 6 dwg

Excitation device and method for excitation of load, in particular, light-emitting diodes // 2589734
FIELD: lighting.SUBSTANCE: power supply signal generator includes rectifier module (10) for rectification of received alternating voltage (VS) of supply, load contact terminals (20) for providing voltage (VL) and/or current (IL) of excitation for excitation of said load, capacitive accumulator module (30) connected between mentioned rectifier module and load contact terminals for electric energy storage provided by said rectifier module, and provision of electric power in defined load , and bridge switching module (40) connected between above mentioned rectifier module and load for switching capacitive accumulator module on load current path from defined rectifier module into said load contact terminals with required polarity and for switching of said capacitive accumulator module from said load current path.EFFECT: higher power factor, reduced losses and output light flicker.15 cl, 38 dwg

Shining strip for sport and other equipment and sports equipment for ball games or similar games, containing such strip // 2589045
FIELD: lighting.SUBSTANCE: luminous net for sports equipment is made of flexible elongated elements (10) that are contiguous at specific points. Flexible elongated elements (10) are luminous and form waves (150) representing a sequence of protrusions and recesses. Each flexible elongated element includes an elongate sheath (100) which is transparent to light and made of a synthetic material; a series of luminous members (102) distributed in elongate sheath (100) in at least one row; and flexible reinforcing cord (101) which is arranged in sheath (100) and which extends across entire length thereof, and which is capable of imparting tensile strength to flexible element (10). Length of cord in sheath is equal to length of sheath, and each of recesses of flexible elongated element (10) is located opposite recesses of at least one continuous elongated element.EFFECT: wider range of equipment.18 cl, 12 dwg

Led light source // 2588578
FIELD: lighting.SUBSTANCE: invention relates to lighting engineering. Serial assembly of LED loads (LP1-LP4) is connected between output connectors of rectifier, input connectors of which are connected to mains supply source, which supplies low-frequency alternating voltage. Control means makes LED loads alternately conducting when supply voltage amplitude is increased, and alternately non-conducting when supply voltage amplitude decreases. First LED load (LP1, LP2) has forward voltage substantially greater than that of other LED loads.EFFECT: high degree of using light-emitting diodes, which enables to obtain relatively cheap LED loads used in series assembly.14 cl, 5 dwg

Led light source // 2587672
FIELD: lighting.SUBSTANCE: result is achieved due to that a LED light source comprises circuit of LED loads (LED1-LED4) powered by rectified voltage of a mains supply source. Number of LED loads transmitting current increases with increase in instantaneous amplitude of rectified voltage of mains supply source and decreases with decrease in instantaneous amplitude of rectified voltage of mains supply source. Order in which LED loads begin to transmit current and order in which LED loads stop transmitting current is changed to reverse for each half-period of mains supply source.EFFECT: high efficiency of using each of LED loads in light-emitting diode light source.9 cl, 6 dwg
 
2551401.
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