简要说明：天联牌的煤矿用信号电缆 FIRE-RETARDANT COMMUNICA产品：估价：3，规格：齐全，产品系列编号：完善

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 descrtptions and Use scope
型号 Mode 名称 Descrtptions 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) 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   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   用于井下干扰较大的场合作信号传输 Served in coal mine where interference is strong   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   煤矿用通信电缆的最小弯曲半径 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
煤矿用通信电缆规格 Specifications
煤矿用通信电缆型号 Model 煤矿用通信电缆标准截面 Nominal sectional area(mm2) 0.5   0.75   0.8 1.0   1.5   0.5   0.75   0.8   1.0   1.5  0.5   0.75   0.8   1.0   1.5   -   芯 数Core No. 对 数Pair No.   导体结构Conductor structure   MHYV   2-7   2-10   1/0.8 7/0.30   1/0.97 7/0.37   -   1/1.13 7/0.43   1/1.38 7/0.52   MHYVR   2-7   2-10   -   42/0.15   -   32/0.20   48/0.20   MHYVP   2-7   2-10   1/0.8 7/0.30   1/0.97 7/0.37   -   1/1.13 7/0.43   1/1.38 7/0.52   MHYVRP   2-7   2-10   -   42/0.15   -   32/0.20   48/0.20   MHYBV   2-7   2-10   -   1/0.97 7/0.37 42/0.15   1/1.0   1/1.13 7/0.43 32/0.20   1/1.38 7/0.52 48/0.20   MHY32   - 3-7 2-19 - 1/0.97 7/0.37   - 1/1.13 7/0.43   1/1.38 7/0.52
煤矿用通信电缆主要技术性能 Major technical performances 1、煤矿用通信电缆导体直流电阻和电缆固有衰减 DC resistance of the conductor and Intrinsicattenuation
煤矿用通信电型号 Model   标称截面 Nominal sectional area mm2 导 体 结 构 Conductorstructure structure 种 类 Type 根数/单线标称直径 PC.No./Single track diameter(mm)   20℃时导体直流电阻 DC resistance of the conductor at 20℃ (≤Ω/Km)   固有衰减 Intrinsic attenuation (800Hz) (≤dB/Km) MHYV MHYVR MHYVRP MHYVP MHYBV MHY32 0.5 1 1/0.8   36.0   1.0   2 7/0.30   36.0   0.75 1 1/0.97   24.5   0.8   2 7/0.37   24.5   6 42/0.15   26.0   0.8 1 1/1.0   25.8   0.7   1.0 1 1/1.13   18.1   0.65   2 7/0.43   18.1   5 32/0.20   19.5   1 1/1.38   12.1   0.5   1.5 2 7/0.52   12.1   5 48/0.20   13.3
2、煤矿用通信电缆其它主要技术性能 Other major technical performances (型号 Model:MHYV、MHYVR、MHYVRP、MHYVP、MHYBV、MHY32)
序 号 Serial number   项目Items   煤矿用通信电缆技术性能 Technical performances 1   煤矿用通信电缆+20℃线芯导体直流电阻(≤Ω/Km) Line core DC resistance at 20℃ 见上表 See above table   2   煤矿用通信电缆电缆固有衰减(≤dB/Km) Cable intrinsic attenuation 见上表 See above table   3   煤矿用通信电缆+20℃绝缘电阻(≥MΩ Km) Insulating resistance at 20℃ 5000   4   煤矿用通信电缆lmin工频交流电压试验 lmin power frequency alternating current pressure test 芯-芯 Core - core 芯-屏蔽 Core - hield 1500V不击穿(50Hz) 1500V Does not penetrate   5   煤矿用通信电缆工作电容(≤μF/Km) Cable service capacity 0.06(800Hz)   6   煤矿用通信电缆远端串音衰减(≥dB/500) Far-end crosstalk attenuation 70(800Hz)   7   煤矿用通信电缆电感(≤μH/Km) Inductance 800(800Hz)   8   煤矿用通信电缆工作对直流电阻差(≤%环阻) DC resistance difference 2   9   煤矿用通信电缆单根垂直燃烧试验 Combustion for single cable test MT386   10   煤矿用通信电缆成束燃烧试验 Combustion for bunched cable test 符合GB/T18380标准中B类成束燃烧试验要求 Conforms to GB/T18380 standard B kind becomes ties the burning test

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