SU1629968A1 - Pulse power supply - Google Patents

Abstract

The invention relates to a pulse technique and can be used to power a flash lamp. Pel of the invention is a simplified design, i The pulse power source contains rectifier J, the output of which is through the charging thyristor 3 and the choke 4 is connected to a capacitive drive on capacitors 7 and 8. The drive is discharged through thyristors I and 13 to the pulse transformer 16, as a result what is the ignition impulse is formed and the impulse lamp J5 is turned on, and the ignition impulse is also formed from the main storage device, which simplifies the design, i il.

Description

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The invention relates to a pulse technique and can be used to power flash tubes.

The purpose of the invention is to simplify the design of the source due to the formation of an ignition pulse from the main drive,

The drawing shows a circuit diagram of a pulsed power source.

The source contains rectifier 4, at the output of which LC filter 2 is turned on, output of rectifier 1 is through, charge thyristor 3 and choke 4 are connected to a capacitive storage device, made, for example, by a voltage doubling circuit consisting of diodes 5 and 6 , capacitors 7 and 8, diodes 9 and

ditch After a predetermined time determined by the delay between the charge and discharge pulses of the control unit 12,.

- a discharge pulse is applied to the control electrodes of the thyristors 11 and 13. In this case, the following occurs in the switching power supply circuit. Opening the thyristor 11 successively connects the capacitors 7 and 8, wherein the front steep front of the high voltage through, the capacitor 17 provides the appearance on the first. to the primary winding of the pulse voltage transformer 16, which leads to the induction of a high voltage pulse in the secondary winding, and ultimately to an indication of the discharge of the pulse lamp 15. Energy stored in the end

10 and thyristor 11, control pulses 20, capacitors 7 and 8, impulse thyristors are transmitted from block 12

management Discharge Source Circuit

power supply contains a thyristor

13, choke 14, flash lamp

15, pulse transformer 16,

Front wrap, which through

the second capacitor 17 and the thyristor -13

connected to a capacitive drive.

Throttle 14, lamp 15 and transformer

16 bypass capacitor 18

and diode 19.

The power source works as follows.

The alternating voltage, the passage through the circuit breaker, goes to rectifier 1, smoothes out LC-filter 2 and goes to thyristor 3i The initial state of the thyristors 3,11, 13 is closed, which is determined by the control unit 12. When a charge pulse is supplied from the control unit 12 to the control electrode of the thyristor 3, it is opened and the resonant charge of the capacitors 7 and

Noah lamp 15. After full discharge, the thyristors 11 and 13 are closed. Capacitor 18 localizes the ignition pulse. Diode 19 prevents overcharging capacitors 7 and 8,

Claims (1)

In comparison with the known predalag power source provides reliable and stable operation with a significant simplification of the structure structure, since the ignition pulse is generated from the main capacitive storage device. Invention Formula A switching power supply containing a capacitive drive connected through a series-connected charge choke and a charge thyristor to the output of the rectifier, a discharge thyristor, a series-connected pulse lamp, the secondary winding of the pulse transformer included in the capacitive drive discharge circuit is different. that, in order to simplify,  40 8 through choke 4 and diodes 5, 6, 9 and 45 of the LC filter, the first and second terminals are 10 to twice the nominal voltage, the first capacitor and the second capacitor connected in series and the primary winding of the pulse transformer are connected in parallel with each other and in parallel capacitive drive, LC filter is connected to the output of the rectifier, wives When equal voltages are reached at the anode of the cathode of the first thyristor 3, the latter closes, thereby disconnecting the charging circuit of capacitors 7 and 8. Diodes 5, 6, 9 and 10 serve to disconnect along the plus and minus first and second condensates 299684 ditch After a predetermined time determined by the delay between the charge and discharge pulses of the control unit 12,. - a discharge pulse is applied to the control electrodes of the thyristors 11 and 13. In this case, the following occurs in the switching power supply circuit. Opening the thyristor 11 successively connects the capacitors 7 and 8, wherein the front steep front of the high voltage through, the capacitor 17 provides the appearance on the first. to the primary winding of the pulse voltage transformer 16, which leads to the induction of a high voltage pulse in the secondary winding, and ultimately to an indication of the discharge of the pulse lamp 15. Energy stored in the end The capacitors 7 and 8 are transmitted to the flash lamp 15. After full discharge, the thyristors 11 and 13 are closed. Capacitor 18 localizes the ignition pulse. Diode 19 prevents overcharging capacitors 7 and 8, In comparison with the known, the proposed power source provides reliable and stable operation with a significant simplification of the design, since the ignition pulse is generated from the main capacitive storage device. Invention Formula A switching power supply containing a capacitive drive connected through a series-connected charge choke and a charge thyristor to the output of the rectifier, a discharge thyristor, a series-connected pulse lamp, the secondary winding of the pulse transformer included in the capacitive drive discharge circuit is different. that, in order to simplify, put4 Dene LC filter, the first and second capacitors, and the first condenser the torus and the second capacitor and the primary winding of the pulse transformer connected in series are connected in parallel with each other and in parallel with the capacitive drive, the LC filter is connected to the output of the rectifier,