产品介绍
| 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 descriptions and Use scope
| 型 号 Model | 名 称 Descriptions | 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
| 电缆长期允许工作温度 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 |
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 | 1/0.8 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 | |||||
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 area mm2 | 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) | ||||
| MHYV MHYVRP MHYBV | 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 | |
