煤矿通信电缆（原煤矿用信号电缆）
fire-retardant communication cables for coal mines(signal electric cable)
煤矿用通信电缆用途:产品适用于煤矿井下监测、控制系统作低频信号传输线
煤矿用通信电缆执行标准 standards implemented: mt818-1999
煤矿用通信电缆型号名称及使用范围 model desc-riptions and use scope
型号 mode
名称 desc-riptions
使用范围 scope of application
mhyv(puyv)
煤矿用聚乙烯绝缘聚氯乙烯护套通信电缆 pe insulated pvc sheathed communication cables for coal mine
用于井下平巷、斜巷及机电硐室作普通信号传输 used in level; or slanted channels and power house
mhyvr(puyvr)
mhyvp(puyvp)
煤矿用聚乙烯绝缘铜丝编织屏蔽聚氯乙烯护套通信电缆 pe insulated copper wire weave shielded pvc sheathed communication cables
用于井下干扰较大的场合作信号传输 served in coal mine where interference is strong
mhyvrp(puyvrp
煤矿用聚乙烯绝缘聚氯乙烯护套铜丝编织屏蔽通信软电缆 pe insulated copper wire weave shielded pvc sheathed communication soft cables
mhybv(puyv31)
煤矿用聚氯乙烯绝缘铜丝编织屏蔽聚氯乙烯护套控制电缆 pvc insulated copper wire weave shielded pvc sheathed control cables for use in mines
用于井下平巷或斜巷作主信号传输能承受一定的机械冲击力 served in level and slanted channels where the mechanic impact is strong s
mhy32 (puyv39、39-1)
煤矿用聚乙烯绝缘聚氯乙烯护套钢丝铠装通信电缆 pe insulated steel wire armored pvc sheathed communication cables
用于竖井或斜井作主信号传输能承受较大的拉力 served as major signal line in shaft or slanted shaft in coal mines,capable of being under considerable pull force
煤矿用通信电缆使用特性 service characteristics
煤矿用通信电缆电缆长期允许工作温度 long-term service temperature of the cable conductor
70℃
煤矿用通信电缆电缆敷设温度 cable laying temperature
≥0℃
煤矿用通信电缆+25℃时环境相对湿度 environment relative humidity at 25℃
≤95%
煤矿用通信电缆的传输频率 transmission frequency of cable
≤30khz
煤矿用通信电缆的*小弯曲半径 minimun bending radius
mhyvr及mhyvrp型电缆为电缆外径的10倍，其它型号为外径的15倍 10 times of the cable outer diameter of mhjyv, and 15times for the rest