正负极性伪火花开关初步研究

周亮; 张明; 赵征; 底贺阳; 杨鸿飞

doi:10.11884/HPLPB202436.240313

正负极性伪火花开关初步研究

doi: 10.11884/HPLPB202436.240313

中国电子科技集团公司第十二研究所，北京 100016

详细信息

作者简介:
周　亮，quartz0771@sina.com

中图分类号: TN134
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- 被引次数: 0
出版历程
- 收稿日期: 2024-09-06
- 修回日期: 2024-10-15
- 录用日期: 2024-10-08
- 网络出版日期: 2024-10-25
- 刊出日期: 2024-11-01

Research of positive and negative polarity pseudo-spark switches

The 12th Research Institute of China Electronics Technology Group Corporation, Beijing 100016, China

摘要

摘要: 介绍一种正负极性工作、无需热丝供电配套的伪火花开关，其触发方式可以采用电触发、空间激光触发以及光纤传输激光能量触发。在电触发模式下开关技术指标达到工作电压±60 kV、脉冲电流16.2 kA以及抖动7 ns；空间光触发模式下，开关抖动3 ns（1 mJ/532 nm），最低触发激光能量0.15 mJ；光纤传输激光能量触发工况下（光纤入射端能量7 mJ/出射端5 mJ/532 nm），开关抖动技术指标达到3 ns。
- 伪火花开关 /
- 正负极性 /
- 抖动 /
- 触发方式 /
- 激光能量
Abstract: This paper introduces a pseudo-spark switch which works in positive and negative polarity and does not need hot wire power supply. It can be triggered by one of the three modes of electric triggering, space light and fiber transmission laser energy. In the electric trigger mode, the technical specifications of the switch reach the operating voltage ±60 kV, the pulse current16.2 kA and the close jitter 7 ns; In space light trigger mode, the close jitter is 3 ns using 1 mJ/532 nm laser, and the minimum triggering laser energy is 0.15 mJ. In the fiber transmission laser energy mode (the energy of the incident end of the fiber is 7 mJ/the output end is 5 mJ), the close jitter is 3 ns.
- pseudo spark switch /
- positive and negative polarity /
- jitter /
- trigger mode /
- laser energy

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图 1 开关外形及实物图

Figure 1. Switch shape and real product

下载: 全尺寸图片幻灯片

图 2 二种模式的触发结构示意图

Figure 2. Schematic diagram of trigger structure of two modes

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图 3 储气盒与开关触发电极的相对位置图

Figure 3. Gas storage box and switch relative position diagram

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图 4 放电回路的原理及实物图(电触发)

Figure 4. Principle and physical diagram of discharge circuit (electric trigger)

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图 5 十发次累积波形图（电触发）

Figure 5. Cumulative waveforms of 10 pulses (electric trigger)

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图 6 放电回路的原理及实物图（空间光）

Figure 6. Principle and physical diagram of discharge circuit (space light)

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图 7 十发次累积波形图(空间光)

Figure 7. Cumulative waveforms of 10 pulses (space light)

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图 8 放电回路的原理及实物图(光纤传输激光)

Figure 8. Principle and physical diagram of discharge circuit (fiber transmission laser)

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图 9 十发次累积波形图(光纤传输激光)

Figure 9. Cumulative waveforms of 10 pulses (fiber transmission laser)

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表 1 电触发正负极性伪火花开关抖动数据表

Table 1. Jitter data table of electrically triggered positive and negative polarity pseudo spark switch

number of experiments	take off time/ns	jitter/ns	working voltage/kV	peak current/kA
1	622	7	± 60	16.2
2	617	7	± 60	16.2
3	626	7	± 60	16.2
4	624	7	± 60	16.2
5	631	7	± 60	16.2
6	629	7	± 60	16.2
7	614	7	± 60	16.2
8	622	7	± 60	16.2
9	635	7	± 60	16.2
10	627	7	± 60	16.2

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表 2 光触发正负极性伪火花开关抖动数据表

Table 2. Jitter data table of light triggered positive and negative polarity pseudo spark switch

number of experiments	take off time/ns	jitter/ns	working voltage/kV	peak current/kA	minimum light triggering energy/mJ
1	62	3	± 10	1.4	0.15
2	64	3	± 10	1.4	0.15
3	63	3	± 10	1.4	0.15
4	66	3	± 10	1.4	0.15
5	65	3	± 10	1.4	0.15
6	62	3	± 10	1.4	0.15
7	66	3	± 10	1.4	0.15
8	65	3	± 10	1.4	0.15
9	66	3	± 10	1.4	0.15
10	70	3	± 10	1.4	0.15

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表 3 光纤触发正负极性伪火花开关抖动数据表

Table 3. Jitter data table of fiber triggered positive and negative polarity pseudo spark switch

number of experiments	take off time/ns	jitter/ns	working voltage/kV	peak current/kA	the lowest light triggering energy after collimation and focusing/mJ
1	91	3	± 10	2	3
2	94	3	± 10	2	3
3	96	3	± 10	2	3
4	92	3	± 10	2	3
5	93	3	± 10	2	3
6	97	3	± 10	2	3
7	94	3	± 10	2	3
8	99	3	± 10	2	3
9	102	3	± 10	2	3
10	100	3	± 10	2	3

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