| 煤矿用阻燃通信电缆(原煤矿用信号电缆)5＊2＊0.7 fire-retardant communication cables for coal mines(signal electric cable) 产品用途:产品适用于煤矿井下监测、控制系统作低频信号传输线。 scope of application:the product is suitable for the coal mine mine shaft monitor, the control system makes the low-frequency signal transmission line 执行标准 standards implemented: q/3210hl07-2005 型号名称及使用范围 model desc-riptions and use scope | 型 号model | 名 称desc-riptions | 使 用 范 围use scope | | 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) | 煤矿用聚乙烯绝缘镀锌钢丝编织铠装聚氯乙烯护套通信电缆pe insulated tinned steel wire weave armored pvc sheathed communication cables | 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 | | 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 | 使用特性 service characteristics | 电缆*允许工作温度long-term service temperature of the cable conductor | 70℃ | | 电缆敷设温度 cable laying temperature | ≥0℃ | | +25℃时环境相对湿度 environment relative humidity at 25℃ | ≤95% | | 电缆的传输频率 transmission frequency of cable | ≤30khz | | 电缆的zui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 | 电缆结构示意图iiiustration of cable structure  电缆规格 specifications | 型 号model | 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 | 1/0.87/0.30 | 1/0.977/0.37 | - | 1/1.137/0.43 | 1/1.387/0.52 | | mhyvr | 2-7 | 2-10 | - | 42/0.15 | - | 32/0.20 | 48/0.20 | | mhyvp | 2-7 | 2-10 | 1/0.87/0.30 | 1/0.977/0.37 | - | 1/1.137/0.43 | 1/1.387/0.52 | | mhyvrp | 2-7 | 2-10 | - | 42/0.15 | - | 32/0.20 | 48/0.20 | | mhybv | 2-7 | 2-10 | - | 1/0.977/0.3742/0.15 | 1/1.0 | 1/1.137/0.4332/0.20 | 1/1.387/0.5248/0.20 | | mhy32 | - | 3-7 | 2-19 | - | 1/0.977/0.37 | - | 1/1.137/0.43 | 1/1.387/0.52 | 电缆主要技术性能 major technical performances 1、电缆导体直流电阻和电缆固有衰减 dc resistance of the conductor and intrinsic attenuation | 型 号 model | 标称截面nominal sectional areamm2 | 导 体 结 构 conductor structure | 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) | | 种 类 type | 根数/单线标称直径 pc.no./single track diameter(mm) | | mhyvmhyvr mhyvrpmhyvp mhybvmhy32 | 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 | | 1.5 | 1 | 1/1.38 | 12.1 | 0.5 | | 2 | 7/0.52 | 12.1 | | 5 | 48/0.20 | 13.3 | 2、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 | 技术性能technical performances | | 1 | +20℃线芯导体直流电阻(≤ω/km) line core dc resistance at 20℃ | 见上表 see above table | | 2 | 电缆固有衰减(≤db/km) cable intrinsic attenuation | 见上表 see above table | | 3 | +20℃绝缘电阻(≥mω km) insulating resistance at 20℃ | 5000 | | 4 | 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 | 电缆工作电容(≤μf/km) cable service capacity | 0.06(800hz) | | 6 | 远端串音衰减(≥db/500) far-end crosstalk attenuation | 70(800hz) | | 7 | 电感(≤μh/km) inductance | 800(800hz) | | 8 | 工作对直流电阻差(≤%环阻) dc resistance difference | 2 | | 9 | 单根垂直燃烧试验 combustion for single cable test | mt386 | | 10 | 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 | | 
