一种用于航空点火系统的续流放电电路
By introducing a freewheeling discharge circuit into the aviation ignition system, the discharge time is extended and the efficiency is improved, solving the problems of short discharge time and low efficiency in traditional aviation ignition systems and achieving high-efficiency ignition.
CN117345431BActive Publication Date: 2026-07-17TIANJING AVIATION ELECTRO-MECHANICAL CO LTD
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- TIANJING AVIATION ELECTRO-MECHANICAL CO LTD
- Filing Date
- 2023-11-15
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Traditional aircraft ignition systems suffer from low discharge efficiency and short discharge time, resulting in problems such as short discharge time and low efficiency.
Method used
A freewheeling discharge circuit is adopted, including an energy storage capacitor, a discharge switch, an inductor, and a rectifier diode. By forming a primary discharge path and a secondary discharge path, the discharge time is extended and the discharge efficiency is improved.
Benefits of technology
The discharge time is increased by 2 times, and the discharge efficiency is increased to 40% to 50%, achieving high-efficiency ignition. The circuit is simple and reliable.
✦ Generated by Eureka AI based on patent content.
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Figure CN117345431B_ABST
Abstract
本发明涉及航空发动机点火系统领域。具体涉及一种用于航空点火系统的续流放电电路。包括储能电容、放电开关、电感器、整流二极管；点火系统在放电时，电嘴端部击穿后，储能电容的能量经电嘴、电感器及放电开关释放，形成一次放电通路，电感器流过的电流瞬间增大，储能电容上的能量转移至电感器；电感器电流逐渐减小，电感器电流经放电开关、整流二极管及电嘴形成二次放电通路，从而延长放电时间。通过续流电路将RLC欠阻尼放电形式转换为LR放电形式，可将点火系统放电时间提高2倍，放电效率提高至40％～50％，为航空发动机点火系统提供了一种高效点火电路。
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