A backup power supply automatic switching backup power supply starting circuit
CN224697473UActive Publication Date: 2026-08-28THREE GORGES JINSHAJIANG CHUANYUN HYDROPOWER DEV CO LTD
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Patent Information
- Application Number
- CN202421974701.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-15
- Publication Date
- 2026-08-28
- Estimated Expiration
- 2034-08-15
AI Technical Summary
Technical Problem
[0004]为了解决备自投启动逻辑存在因长期启动造成备自投装置误动或单一由母线电压变化启动造成备自投装置拒动等问题，本实用新型提出一种备自投备投启动电路，在母线电压变化基础上，增加备自投装置启动闭锁逻辑构成备自投备投启动逻辑
Benefits of technology
[0017]本实用新型通过在母线电压变化基础上，增加备自投装置启动闭锁逻辑构成备自投备投启动逻辑，可解决备自投启动逻辑存在因长期启动造成备自投装置误动或单一由母线电压变化启动造成备自投装置拒动等问题。
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Figure CN224697473U_ABST
Abstract
The utility model discloses a kind of spare power automatic transfer spare power automatic transfer starting circuit, including first and gate circuit, falling delay logic gate circuit and SR bistable flip-flop, the signal input end of first and gate circuit receives original signal, and signal output end sends bus voltage-loss signal to the signal input end of falling delay logic gate circuit and the S end of SR bistable flip-flop;The signal output end of falling delay logic gate circuit sends spare power automatic transfer device start signal to the R end of SR bistable flip-flop, and the SR bistable flip-flop judges whether to start spare power automatic transfer device according to bus voltage-loss signal and spare power automatic transfer device start signal, and sends instruction by Q end, i.
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