Improve device of decentralized control system main protection project input security

• Main Authors: GAO XUEYING, LEI ZHIWEI, ZHUANG YIFEI, QU XIAOHE, TIAN WANJUN, SONG YUNAN, ZHANG JIAN, ZHANG ZHENGLIN, ZHANG XING, CHEN SHENGLI, WU HAICHENG, JIANG YIYANG, CHEN TAO, ZHANG HUI, ZHOU HAIYAN
• Format: Patent
• Language: Chinese; English
• Published: 11.01.2017
• Subjects: BASIC ELECTRONIC CIRCUITRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS; CONTROL OR REGULATING SYSTEMS IN GENERAL; CONTROLLING; ELECTRICITY; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS; PHYSICS; PULSE TECHNIQUE; REGULATING; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

The utility model discloses an improve device of decentralized control system main protection project input security, including pulse of protection exit instruction and protection input start pulse, wherein, the device still includes a RS flip -flop circuit, first dual input AND circuit, second dual input AND circuit and a not circuit, the utility model discloses can carry out the state to the coherent signal of decentralized control system main protection and discern, the suggestion protection drops into the state that perhaps withdraws from to whether allow to drop into this protection according to main guard signal state judgement, improve security and the reliability of decentralized control system main protection project when dropping into again after relieving, prevent to cause equipment or even unit to trip unusually because of this protection project of input of guard signal mistake when triggering the state. 本实用新型公开了种提高分散控制系统主保护项目投入安全性的装置，包括保护退出指令脉冲和保护投入指令脉冲，其中，所述装置还包括个RS触发器电路、第双输入与门电路、第二双输入与门电路以及个非门