脉冲氙灯电源研究

邵若燕; 刘建军; 吴睿骅; 梁海荣; 李海兵

doi:10.11884/HPLPB201931.180331

脉冲氙灯电源研究

doi: 10.11884/HPLPB201931.180331

中国科学院上海光学精密机械研究所, 上海 201800

详细信息

作者简介:
邵若燕(1978—)，女，工程师，从事激光泵浦源检测与研究; sryy0638@sina.com

中图分类号: TN245
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- 文章访问数: 2654
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- 被引次数: 0
出版历程
- 收稿日期: 2018-11-19
- 修回日期: 2019-01-14
- 刊出日期: 2019-02-15

Pulsed xenon lamp power supply

Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

摘要

摘要: 高速摄影的同步照明光源是利用脉冲氙灯作为输出负载的一种高亮度闪光光源。它的驱动电路采用脉冲形成网络PFN电路，利用Orcad Pspice软件对PFN放电电流仿真，其仿真结果具有一定的指导意义。电源具有手动触发和同步触发功能，同时输出脉冲的前沿和后沿具有良好的时间响应，氙灯充电电压0~3.5 kV可调，触发信号与光波形延时时间125 μs；实验结果验证了电源设计原理和技术方案的可行性。
- 高速摄影 /
- 脉冲氙灯 /
- PFN电路
Abstract: The synchronous lighting source of high-speed photography is a kind of high brightness flash light source which uses the pulsed xenon lamp as the output load. Its driving circuit adopts pulse forming network PFN circuit, using Orcad Pspice software to simulate the discharge current of FFN, its simulation result has certain guiding significance. The power supply has the function of manual trigger and synchronous trigger, the front and back edges of the output pulse have good time response. The charge voltage of xenon lamp is 0~3.5 kV, and the delay time of trigger signal and optical waveform is 125 μs with light wave shape. The design principle and technical scheme of the power supply are proved by the experiment.
- high-speed photography /
- pulsed xenon lamp /
- PFN circuit

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图 1 带加速电容的PFN电路

Figure 1. PFN circuit with accelerating capacitor

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图 2 理想匹配PFN仿真电路放电电流波形

Figure 2. Discharge current wavefom of PFN simulation circuit

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图 3 PFN仿真电路图原理图

Figure 3. Schematic diagram of PFN simulation circuit

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图 4 氙灯负载模型

Figure 4. Xenon lamp load model

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图 5 PFN仿真电路放电电流波形

Figure 5. Discharge current waveform of PFN simulation circuit

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图 6 实际放电电流放电波形

Figure 6. Discharge waveform of actual discharge current

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图 7 充电机工作原理图

Figure 7. Working principle of the charger

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图 8 DB9控制及外围电路

Figure 8. DB9 control and peripheral circuit

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图 9 高压同步触发电路

Figure 9. High voltage synchronous trigger circuit

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图 10 触发信号与光波形延时时间125 μs

Figure 10. Trigger signal and 125 μs delay time of optical waveform

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图 11 电流与光波形实测波形

Figure 11. Current and optical waveforms

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表 1 放电参数比较

Table 1. Comparison of discharge parameters

	peak current/kA	pulse width/μs	rise time/μs
simulation value	4.67	200	23.5
measured value	4.60	200	25.0

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表 2 实验测试数据

Table 2. Experimental test data

supply voltage/kV	optical peak value/V	peak current/kA	1/3 pulse width/μs	rising edge of opticalwaveform/μs
1.5	13.0	1.72	158	30.4
2.5	34.6	3.16	155	22.4
3.4	56.6	4.60	155	17.6

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参考文献(10)

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