Starting device for high-pressure gas-discharge lamps. RU patent 2264696.

FIELD: electrical engineering; starting and operating circuits for gas-discharge lamps.

SUBSTANCE: proposed device designed for use in gas-discharge lamps of high starting voltage amounting to about 4 kV, such as high-pressure sodium vapor lamps, xenon and metal halide lamps that enables starting two lamps at a time from ac 220 V supply mains has dc current supply whose output is connected through series-interconnected converter and rectifier to input of inverter whose common input is connected to common inputs of inverter and rectifier and output, to its inverting output through two series-connected lamps; novelty is introduction of two voltage sensors, current sensor, second inverter, voltage multiplier, switch, capacitor, two delay circuits, OR circuit and NAND circuit; common output of dc current supply is connected to common inputs of two voltage sensors, multiplier, and through current sensor, to common inputs of converter and switch; output of dc current supply is connected to input of second inverter whose output is connected through multiplier to midpoint of two lamps and to capacitor electrode, other electrode of capacitor being connected to input of inverter; output of first voltage sensor is connected to input of NAND circuit and to input of first delay circuit whose inverting output is connected to input of OR circuit whose other input is connected to output of second voltage sensor and output, to clear inputs of converter and inverter, to control input of switch, and to input of second delay circuit whose output is connected to other input of NAND circuit; output of the latter is connected to clear input of second inverter; switch input is connected to rectifier output and current sensor output is connected to control input of converter.

EFFECT: enhanced efficiency, service life, power factor, and light stability; reduced power requirement.

1 cl, 2 dwg

IPC classes for russian patent Starting device for high-pressure gas-discharge lamps. RU patent 2264696. (RU 2264696):

H05B41/28 - using static converters

H05B37/02 - Controlling

Another patents in same IPC classes:

Illumination control apparatus / 2249925
Apparatus includes primary pulse-type photo-converter with built-in photo detector forming output pulse-width modulated information signal; secondary converter including micro-controller, shaping amplifier, switch, display module, power unit, inductor, unit for controlling illumination, switching controller of power supply of mains. Secondary converter includes in addition real-time clock and standby power source. Primary pulse-type photo-converter is connected with secondary converter by means of two-wire line that is connected with inlet of shaping amplifier and first terminal of inductor at one side and outlet of primary pulse type converter at other side. Outlet of shaping amplifier is connected with first inlet of micro-controller whose second inlet is connected with switch. Third inlet of micro-controller is connected with outlet of real-time clock. First outlet of micro-controller is connected with first inlet of power unit. Second outlet of micro-controller is connected with inlet of display module. Inlet of illumination control module is connected with third outlet of micro-controller. AC supply mains is connected with second inlet of power unit whose first outlet is connected with second terminal of inductor. Second outlet of power unit is connected with inlet of standby power source whose outlet is connected with respective inlet of real time clock. Outlet of illumination control unit is connected with connected in parallel first inlets of N switching controllers of power of mains. AC mains is connected with second (connected in parallel) inlets of N switching controllers of power of mains. Connected in parallel outlets of said switching controllers through load (illuminating lamps) are connected with zero wire of AC mains.

Controlled light-emitting diode light signal / 2249524
Proposed controlled light-emitting diode light signal contains N transformers whose primary windings are connected in series aiding and connected to supply source through contact of signal relay and power electrodes of transistor, and each of N secondary windings of transformers is connected through protective diodes with corresponding group of light-emitting diodes consisting of K light-emitting diodes connected in series aiding. Each of K x N light-emitting diodes of groups is optically coupled with each of parallel connected K x N photoresistors. Light signal contains resistor and comparator circuit where first point of connection of parallel-connected photoresistors is connected to point of connection of contact of signal relay and transformer, and second point of connection of parallel-connected photoresistor is connected to first output of resistor and input of comparator circuit. Comparator circuit consists of differential amplifier whose first input is connected with common contact of voltage drop relay, its front and resting contacts are connected to first and second sources of reference voltage, respectively, second input of differential amplifier being input of comparator circuit whose output connected to control input of pulse generator being output of differential amplifier. Second output of resistor is connected with point of connection of one of power electrodes of transistor and supply source. Invention makes it possible to control brightness of light-emitting diodes and stabilize radiation, and it provides possibility of double reduction of voltage and blackout.

Light diode lamp / 2248107
Device has block for connection to AC current source, converter for forming a DC current source and light diode group, consisting of multiple light diodes. Light diode group is provided with block for prior telling of service duration, including counter for measuring power-on period on basis of frequency of AC current source, integration device for power feeding, which is measured by counter, and for recording integrated value in energy-independent memory device and device for controlling power feeding mode for controlling light level of diodes in different modes, including normal lighting modes. Prior messaging block is meant for integration of power-on period for output of forwarding message, indicating approach of service duration end.

Starting device for high-pressure gas-discharge lamps / 2264696
Proposed device designed for use in gas-discharge lamps of high starting voltage amounting to about 4 kV, such as high-pressure sodium vapor lamps, xenon and metal halide lamps that enables starting two lamps at a time from ac 220 V supply mains has dc current supply whose output is connected through series-interconnected converter and rectifier to input of inverter whose common input is connected to common inputs of inverter and rectifier and output, to its inverting output through two series-connected lamps; novelty is introduction of two voltage sensors, current sensor, second inverter, voltage multiplier, switch, capacitor, two delay circuits, OR circuit and NAND circuit; common output of dc current supply is connected to common inputs of two voltage sensors, multiplier, and through current sensor, to common inputs of converter and switch; output of dc current supply is connected to input of second inverter whose output is connected through multiplier to midpoint of two lamps and to capacitor electrode, other electrode of capacitor being connected to input of inverter; output of first voltage sensor is connected to input of NAND circuit and to input of first delay circuit whose inverting output is connected to input of OR circuit whose other input is connected to output of second voltage sensor and output, to clear inputs of converter and inverter, to control input of switch, and to input of second delay circuit whose output is connected to other input of NAND circuit; output of the latter is connected to clear input of second inverter; switch input is connected to rectifier output and current sensor output is connected to control input of converter.

Decorative multicolor lamp with control device / 2265969
Device with control device has emission source, diffuser, electric outputs. Emission source has at least two light diodes of different colors with given space distributions of emission and localized in space as at least one group, board and control device, containing programmed channels for separate control over emission of light diodes of each color by feeding periodically repeating power pulses, lengths of which for light diodes of different color are independent from each other, while relations of lengths of period of power pulse, its increase front, decrease and pause are determined for light diodes of each color. Diffuser, inside which board with light diodes is positioned, is made at least partially enveloping the area of effect of emission of light diodes of emission source.

Emergency lighting device / 2265970
Device additionally has digital counters and comparators, included in each light source between power source and transformer control circuit.

Emergency lighting device / 2265971
Device additionally includes band filters, included in each light source between output of controlled modulator and transformer control circuit, and amplitude modulator, connected along control chain to adjustable generator and connected between power source and light source.

Emergency lighting device / 2265972
Device additionally includes delay circuits and pulse generators, included in each light source between power source and transformer control circuit.

Method and complex system for illumination / 2267870
By means of personal computer, using specialized graphic software, a frame of required light diode illumination is formed. By means of color pattern, each imitator of light diode module is colored. After forming of one frame, other frames are formed, which require to be colored in similar way. Number of frames is determined by given model of illumination. As a result, animated cinematic is produced, which reflects appearance of illumination model. After that, programmed model is transferred to flash memory of controller through RS-485 interface port. Then, controller outputs aforementioned data into loop line with light diode modules.

Method for extracting power for auxiliary device from signal, sent to light from phase light controller / 2292677
Power of one or several auxiliary devices 26 of light is extracted from lamp power impulse series, fed by phase light controller 28. Direct current power block 44 is connected to output 38,40 of light controller 28 to produce and store direct current energy for powering auxiliary devices. Controller 48 of lamp is connected to output 38,40 of light controller 28 to transfer power of power impulses to lamp 24. Lamp controller 48 has adjustable impulse transfer characteristic for powering the lamp not to interfere with its operation due to alterations to power consumed by auxiliary devices. Adjustable impulse transfer characteristic may be provided with switching device 76, which either interrupts or blocks selected parts of lamp power impulses. Adjustable impulse transfer characteristic maintains constant apparent brightness of lamp, independently on changes of power consumption by auxiliary devices. In disabled state or in preliminary heating mode transfer of power to lamp 24 is decreased to avoid emission of visible light. In full brightness mode lamp power impulses are practically left unchanged by lamp controller 48.

Device for powering gas-discharge lamps / 2271078
To achieve end result additional direct current source is utilized and additional accumulating capacitor. First output of direct current source, first output of accumulating capacitor, first outputs of first and second electronic keys, first output of rectangular pulses generator, first outputs of additional direct current source and additional accumulating capacitor are connected to common ground bus, second output of direct current source is connected to second output of accumulating capacitor, gas-discharge lamp is connected in parallel to secondary winding of pulse transformer.

Start-adjusting apparatus for gas discharge lamps / 2275760
Apparatus can be used for controlling devices which use gas-discharge light sources. Filter is provided with smooth start device. Power coefficient corrector is connected with rectifier and inverter unit. Ignition and burn circuit has controlled generator. Current source is used as power source for any electrode.

Electronic starter device circuit of gas-discharge source of light / 2327309
Invention is related electrotechnics, particularly to the means of controlling the gas-discharge source of light. Electronic starter device circuit contains ignition circuit and activated by power keys 1, 2 two chains of combustion mode. Above mentioned contains consequently connected source 3 electrostatic motor (ESM), condenser 4 (5), lamp 6, inductance choke 7, diode 8 (9). Together with that the source ESM, lamp and inductance choke are the same for the both circuits of combustion mode. Diode 8, 9, as the keys 1, 2 of circuits are connected consequently one to the other. These pluggins are connected to the source 3 EMS terminals parallel to each other. Point of keys plugging 10 is conjoined with the point of diode plugging 11 and linked through additional condenser 12 with the source EMS and through the voltage probe 13 with microcontroller 17, that is being controlled by driver 14 of alternating keys operation. Point of plugging the lamp 15 together with the condenser 4 and 5 is connected with microcontroller through differentiated circuit 16. The voltage probe 13 is produced in a form of resistance divider.

Method for increase of electric lamp efficiency factor / 2368108
Invention is related to the field of instrument making and may be used in lighting plants of different purpose. In order to achieve this result, resource of electric lamps is increased on the basis of optimal pulse sequence creation. At the same time pulse sequence is formed, as well as number of pulses in pulse packet and duration of pauses between pulses and between pulse packets. Besides to reduce intensity of metal ion thermoelectric emission (MITE), pulse duration is formed less than MITE time, and pause between pulses - more than MITE time.

Disconnecting circuit / 2390107
Excitation circuit (D6, C8, C9, L1) charges capacitor (C6) of intermediate circuit from AC voltage of converter (V1, V2). Parallel to capacitor (C6) of intermediate circuit there is a circuit of voltage limitation connected (R8, R3, D5, R4, R5, C3, SD). Scattering element (R8) in circuit of voltage limitation (R8, R3, D5, R4, R5, C3, SD), as maximum value of voltage on capacitor (C6) on intermediate circuit is exceeded, transforms electric energy into thermal energy. Current via measuring resistance (R3), measured via voltage (UR3) at the latter, is registered in delay circuit (R4, R5, C3) and is used to control disconnecting circuit (SD) of converter (V1, V2).

Intelligent electronic ballast for gas-discharge high pressure lamps / 2409013
Half-bridge converter is controlled with variable frequency generator and relative pulse duration, which in its turn is controlled as per relative pulse duration with low pass filter signal, and as per frequency - with current sensor of the lamp. Priority signal supplied from rectifier connected to the lamp is supplied to control input as per generator frequency. Outputs of current sensor of the lamp and voltage rectifier of the lamp are connected to power control device. Power control device has logic unit analysing operating modes of the lamp and ballast as a whole and generating control and correction signals. Outputs of power control device are connected to the lamp lighting device and to generator. In addition, to electronic ballast there built in is bidirectional modem of data transmission via network wires, dedicated line or radio channel which is connected to power control device.

Gas-discharge lamp power supply device / 2462843
Electric power supply device of gas-discharge lamps contains constant supply voltage source (1) of single-cycle transistor inverter (7) made on power double-winding transformer (9), bypass diode (12) and switching transistor (8) controlled from control node (15) made for example on the basis of specific microcircuits for electronic ballasts. Gas-filled lamp (13) shunted with capacitor (14) is in-series connected to primary winding (10) of transformer (9) and switching transistor (8) between buses (5) and (6) of constant voltage source (1). New features of the proposed device provide the supply of lamp with bipolar high-frequency current.