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Coal Industry

Coal Mine Integrated Automation Communication System

2021-06-30 17:12:48 594

Solution overview     

     According to the application requirements of mine video monitoring system, Huashu communication has developed a simple and reliable solution, which uses hs-3210a-2gssp Gigabit Industrial Ethernet switch to build the core network, uses hs-3208a-ss-sc and hs-3206a-ss-sc 100m embedded switching unit networks underground and above the well, and uses super ring technology to build the redundant ring network, Ensure the normal transmission of data and normal operation of the system in case of optical cable failure. According to the field environment, the hs-e3312l single channel embedded network extender can be selected to carry out long-distance data transmission through the original twisted pair cable, telephone line, coaxial cable and other common cables, which greatly reduces the system cost and engineering construction difficulty while ensuring the data transmission speed and quality. At the end of the system, the underlying equipment can be directly connected to the hs-3206a-ss-sc 100 MB embedded switch through RS-232 / RS-485 / CAN bus to complete the transmission of video, broadcast communication and other business data.

System topology

Huashucom enterprise content manager system | MetInfo CMS

Requirements of whole process monitoring system

(1) The chips and devices meet the requirements of intrinsic safety standard; Low operating current and low power consumption

(2) Soft start is adopted, starting current is less than normal working current

(3) Through the EMC higher level standard test, it can work in harsh environment for a long time

(4) FC series industrial Ethernet switch provides reliable optical transmission interface to meet the needs of long-distance communication in coal mines

(5) Abring self-healing ring network technology is adopted to provide fast self-healing protection and guarantee high reliable communication

(6) It can resist strong electromagnetic interference and surge, and operate stably without fan in the ambient temperature of - 40 ℃ ~ 85 ℃. It is suitable for application in harsh environment

(7) Dual power supply redundancy design, support wider power input range, ensure power supply safety

(8) Strong shell design, explosion-proof, dust-proof, moisture-proof, support DIN rail and wall mounting

(9) Support automatic alarm output, remote monitoring, remote maintenance

Product recommendation

10 port (8 + 2) Gigabit rail type network management industrial switch

6-port (4 + 2) 100m rail type network management industrial switch

8-port 100m rail type network management industrial switch

2-port (1 + 1) long distance point-to-point network extender

Typical applications    

  • Safety monitoring system of Chongqing Kehua safety equipment Co., Ltd

  • Project of Xigou coal and coke control system in Fukang City



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