27-04-2011 дата публикации
Номер: CN0102035145A
Принадлежит:
The invention relates to a grounding wire management operating system for connecting a substation and a power plant with a microcomputer five-prevention system and carrying out the safe standardized administration of grounding wire access. The microcomputer five-prevention system is connected with a communication circuit through a grounding wire cabinet monitoring system and transmits a right operation ticket to a computer key through an adaptor, the computer key operates an electric coding lock control mechanism which is communicated with a contact detection circuit, the computer key is respectively connected with a clock circuit, a data memory, a nixie tube driving circuit, a telecommunication circuit and a contact detection circuit, an alternating current power supply supplies power to the clock circuit, the data memory, the nixie tube driving circuit, the telecommunication circuit and the contact detection circuit by a power supply module (1) through a microprocessor, and the alternating ...
Подробнее