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Xenon lamp power supply system with trigger pre-combustion device and operation method

A power supply system and pulsed xenon lamp technology, applied in the field of laser amplifiers and pulsed xenon lamp power supply systems, can solve the problems of poor optical output stability, poor anti-interference, complex structure, etc., to improve optical stability, reduce electromagnetic interference, and extend xenon lamp. effect of life

Active Publication Date: 2018-10-19
LASER FUSION RES CENT CHINA ACAD OF ENG PHYSICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

And these two types of existing technologies all have corresponding defects, wherein, the pulse xenon lamp of the first kind of scheme has the disadvantages of easy bursting and short life, poor stability, and poor anti-interference in use; the structure of the second kind of scheme is complex, and the pulse Disadvantages such as poor stability of optical output between pulses

Method used

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  • Xenon lamp power supply system with trigger pre-combustion device and operation method
  • Xenon lamp power supply system with trigger pre-combustion device and operation method
  • Xenon lamp power supply system with trigger pre-combustion device and operation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Example 1 is as figure 1 A pulse xenon lamp power supply system with a trigger pre-ignition device is shown. The power supply system includes a master controller M1, a DC power supply branch, a discharge protection branch, a pulse forming branch, a trigger pre-ignition branch, and a discharge switch tube Drive branch, data acquisition branch, xenon lamp load X1;

[0043] The output terminal of the master controller M1 is connected to the input terminals of the DC power supply branch, the protection and discharge branch, the pulse forming branch, and the trigger pre-ignition branch. The input terminal of the master controller M1 is connected to the input terminal of the data acquisition branch. The output terminal is connected;

[0044] The DC power supply branch is used to generate a DC charging current according to a control signal; the DC current branch is composed of a charging control unit M2, a DC charger DC, a current limiting resistor R1 and a high voltage protection ...

Embodiment 2

[0053] Embodiment 2 is an operating method of a pulse xenon lamp power supply system with a trigger pre-ignition device. The power supply system can be the power supply system in any of the embodiments in Embodiment 1. The operating method includes the following steps:

[0054] Step S1, the system is initialized. First, the overall controller M1 and each control unit are initialized, and the charging voltage setting value of the DC charger DC and the charging current setting value of the pre-combustion unit M6 are set;

[0055] Step S2, start the trigger pre-combustion branch to make the xenon lamp X1 enter the pre-combustion steady state;

[0056] The start trigger pre-ignition branch is to send a pre-ignition signal through the main controller M1 to start the pre-ignition unit M6. After a certain time delay, a trigger signal is given to the trigger unit M7. After the trigger unit M7 receives the trigger signal Start to start and supply a high voltage to the magnetic switch L2 to ge...

Embodiment 3

[0068] In this embodiment, the use and operation method of the pulsed xenon lamp power supply system and the operation flow of the circuit are illustrated based on specific circuits. The pulsed xenon lamp power supply system is consistent with the power supply system in any of the foregoing embodiments. The capacity of the capacitor C1 is 350µF, the inductance of the wave-modulating inductor L1 is 90µF, the discharge switch tube K2 uses a thyristor, the secondary side of the magnetic switch L2 has an inductance of 7mH before saturation, and 20µF after saturation. The cable T1 uses a coaxial cable.

[0069] The specific circuit operation is as follows:

[0070] First, initialize the main controller M1 and each control unit, set the constant current output of the DC motor DC to 200mA, set the charging setpoint voltage to 3kV, and set the constant current output of the pre-combustion module to 150mA. Then, the master controller M1 sends a pre-ignition signal to make the pre-combustion...

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PUM

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Abstract

The invention discloses a xenon lamp power supply system with a trigger pre-combustion device and a power supply system operation method. The system based on a magnetic-switch-mode-based triggering pre-combustion scheme is composed of a main controller M1, a direct-current power supply branch, a leakage protection branch, a pulse forming branch, a triggering pre-combustion branch, a discharge switch tube drive branch, a data acquisition branch, and an xenon lamp load X1. The output terminal of the main controller M1 is connected with all input terminals of the direct-current power supply branch, the leakage protection branch, the pulse forming branch, and the triggering pre-combustion branch; and the input terminal of the main controller M1 is connected with the output terminal of the dataacquisition branch. The triggering pre-combustion branch is used for providing a pre-compensation current according to a trigger signal so as to detect the state of the xenon lamp. Therefore, the service life of the xenon lamp is prolonged; the electromagnetic interference is reduced; the optical stability between the pulse and the pulse is improved; and the working states of the xenon lamp and the system can be monitored timely.

Description

Technical field [0001] The invention relates to the cross field of pulse power technology and laser technology, in particular to a pulse xenon lamp power supply system with a trigger pre-ignition device and an operation method, which can be applied to a laser amplifier. Background technique [0002] The pulsed xenon lamp is a device that converts electrical energy into radiant energy through pulse discharge. The energy stored on the capacitor can be released in the form of gas discharge through the xenon lamp tube in a very short time, and at the same time, high temperature plasma is established in the lamp. , And produce high-brightness radiation. Because of its strong load capacity, good quality of laser light speed and high pumping efficiency, it is often widely used as a pump source for solid-state lasers. [0003] At present, there are two main methods for making pulsed xenon lamp power supplies at home and abroad: one is a technical solution that uses high-voltage triggering...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B41/36
CPCH05B41/36
Inventor 沈昊陈德怀张雄军赖贵友唐海波郑奎兴粟敬钦彭志涛党钊王深圳王超陈骥陈文棋李克洪苏东
Owner LASER FUSION RES CENT CHINA ACAD OF ENG PHYSICS
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