Mining RS-485 isolation repeater

• Main Authors: LIU XIGAO, WANG CHUANWU, LI XU, LIU ZHIMIN, MA ZHAO, ZHOU YOU, WANG XUECHENG, LUO WANWAN, WU MIAO, LYU YIMING, ZHANG JINTAO, HAO JIANSHENG
• Format: Patent
• Language: English
• Published: 01.07.2015
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION

The utility model discloses a mining RS-485 isolation repeater. The mining RS-485 isolation repeater is characterized in that the mining RS-485 isolation repeater comprises a first signal end, a second signal end, automatic transmit-receive converting circuits and an isolation power supply; the transmitting end of the first signal end is connected with the receiving end of the second signal end; the receiving end of the first signal end is connected with the transmitting end of the second signal end; the automatic transmit-receive converting circuit 1 is connected with the transmitting end of the first signal end and a transmit-receive control end; the automatic transmit-receive converting circuit 2 is connected with the transmitting end of the second signal end and the transmit-receive control end; the isolation power supply supplies isolation power for the first signal end and the second signal end. The circuit design of the repeater meets coal mine safety production technology standards and requirements, and the repeater can be used for coal mine underground RS-485 communication.