Control device of gas-discharge light source

• US 20040051477A1
• Filed: 07/02/2003
• Published: 03/18/2004
• Est. Priority Date: 11/01/2000
• Status: Active Grant

• Current Assignee: Japan Electronic Control Systems Company Limited
• Original Assignee: OOO "Dependable Electronic Converter Systems" RU
• Inventors: Uryvskiy, Boris Viktorovich, Orlov, Konstantin Lvovich, McBain, Alexander, Yermakov, Yevgenly Aleksandrovich, Bulanov, Aleksey Konstantinovich, Stupishin, Vasiliy Sergeyevich
• Granted Patent: US 6,919,692 B2
• Time in Patent Office: Days
• US Class Current: 315/291
• CPC Class Codes: H05B 41/042 using semiconductor devices
• CPC Class Codes: H05B 41/14 Circuit arrangements
• CPC Class Codes: H05B 47/185 via power line carrier transmission

Abstract

The invention relates to electrical engineering.

The essence of the invention: a control device of gas-discharge light source having a resonant circuit with forked connection of a choke and capacitor, starting switch, an ignition pulse former, power-supply mains, control-and-command circuit with a microprocessor control unit having line-operated telemetric receiver and transmitter interacting with unit of timing and detector of frequency-modulated signals, elements of load state control, elements of current and voltage monitoring.

Claims

1. A control device of a gas-discharge light source having a gas-discharge lamp as a load, resonant circuit in the form of a choke and capacitor functionally coupled with the load, an ignition pulse former with a power controlled switch and L element coupled with the load, power-supply mains and control-and-command circuit formed by a microprocessor control unit with a driving pulse oscillator, elements of load state control, elements of current and voltage monitoring in power-supply mains and a starting switch with control driver of a switching element;

this device is distinguishing due to the fact that it is provided with a unit of timing with power-supply mains and detector of frequency-modulated signals inductively coupled with the timing unit and galvanically coupled with the microprocessor control unit;

in so doing the microprocessor control unit is made with a line-operated telemetric receiver coupled to the lead terminal of the detector of frequency-modulated signals having output receiving buffer, and with the line-operated telemetric transmitter coupled to the lead terminals of the unit of timing with power-supply mains having input transmitting buffer; and

functional load coupling of a choke and capacitor of the resonant circuit is forked.

2. A device according to p.1, wherein a L element of the ignition pulse former is designed in the form of a transformer, in this case the secondary transformer winding is coupled in series with the resonant circuit choke and the load.

3. A device according to p.1, wherein a L element of the ignition pulse former is maid in the form of an inductance coil, in this case the resonant circuit choke is coupled in series with the load and inductively coupled with the inductance coil.

4. A device according to p.1, wherein a L element of the ignition pulse former and resonant circuit choke are designed in the form of transformers, in this case the primary winding of the choke is coupled inductively with the load and the secondary winding of the L element.

5. A device according to p.1, wherein a L element of the ignition pulse former is designed in the form of a transformer, in this case the secondary transformer winding is coupled in series with the load and the resonant circuit capacitor.