航天推进技术研究院主办
[1]闫东东,肖峻,赵军,等.数字变频控制点火装置分析[J].火箭推进,2023,49(05):91-98.
YAN Dongdong,XIAO Jun,ZHAO Jun,et al.Analysis of digital variable frequency control ignition exciter[J].Journal of Rocket Propulsion,2023,49(05):91-98.
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YAN Dongdong,XIAO Jun,ZHAO Jun,et al.Analysis of digital variable frequency control ignition exciter[J].Journal of Rocket Propulsion,2023,49(05):91-98.
数字变频控制点火装置分析
《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]
卷:
49
期数:
2023年05期
页码:
91-98
栏目:
目次
出版日期:
2023-10-25
- Title:
- Analysis of digital variable frequency control ignition exciter
- 文章编号:
- 1672-9374(2023)05-0091-08
- Keywords:
- engine ignition; ignition exciter; digital variable frequency; discharge control; reliability of ignition
- 分类号:
- V434
- 文献标志码:
- A
- 摘要:
- 为了解决发动机在恶劣工作环境下点火困难和易熄灭的问题,采用数字电路控制放电频率、固态开关控制放电输出,研制了一种数字变频固态点火装置,该点火装置能够在10～30 V直流宽电压范围内稳定输出,放电频率启动时为6 Hz、启动后自动变换为1 Hz,具有放电火花持续时间长和长时持续工作等优点。所研制的点火装置是国内首台已成功装机应用的具备变频连续点火能力的数字点火装置,自应用以来,故障率明显低于现有点火装置,能够满足地面启动、空中启动和高原等复杂气候环境下的高可靠点火工作。
- Abstract:
- To solve the problem of difficult ignition and easy flameout of the engine in harsh environment, we developed a digital variable frequency solid-state ignition exciter by using digital circuit to control the discharge frequency and solid-state switch to control the discharge output. This ignition exciter is capable of stable output in a wide voltage range of 10-30 V DC, with discharge frequency of 6 Hz at starting and automatically changing to 1 Hz after starting. It has extended discharge spark duration and longer continuous operation. The ignition exciter developed is the first digital ignition exciter with variable frequency continuous ignition capability that has been successfully installed and applied in China. After its application, the number of failures, the percentage of failed products and the failure rate are all 0, which are significantly lower than the existing ignition exciters. The practical application has shown that the ignition exciter can meet the high reliable ignition requirement under complex climate environment such as ground start, air start and plateau start.
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备注/Memo
收稿日期:2022-09-26; 修回日期:2022-10-14
基金项目:天津市科技支撑重点项目(20YFZCGX00170)
作者简介:闫东东(1989—),男,硕士,高级工程师,研究领域为航空发动机点火系统。
更新日期/Last Update:
1900-01-01