煤矿用射频同轴电缆

煤矿用射频同轴电缆Mining RF Coaxial Cable

一、执行标准

MT/T386-2011及Q/YZJX006-2014

Execution standard

MT/T386-2011ａnd Q/YZJX006-2014

二、电缆型号和名称及用途见下表 Cable types and USES of the name and see the table below

电缆型号及用途 Cable types and purposes

表1 table1

三、主要性能指标

MSYV-50系列电缆的特性阻抗为502QMSYV-75系列电缆的特性阻抗为75土3Q;

2.20C时绝缘电阻不小于5000MQ.km;

3.电缆阻燃性通过MT/T386试验。

Main performanceindicators

1.MSYV series - 50, the characteristic impedance of the cable for 50plus or minus 

2,MSYV - 75 series of the characteristic impedance of thecable is 75+3Q:2.20°C when the insulation resistance is not less than 5000mQ. km:

3. The flame retardant cable by MT/T386 test

四、命名代号 Name code

煤矿用射频同轴电缆 Rf coaxialcables for coalmine..................................................................................MS

铜质线芯 Copper wire core ..................................................................................................................省略omit

聚乙烯绝缘 Polvethvleneinsulation...................................................................................................................Y

聚氯乙烯护套 PVC sheathed................................................................................................................................V

五、产品结构示意图 Product structure diagram

六、电缆的安装与敷设

1.电缆长期允许工作温度为-40~+50°C，月平均相对**湿度为95% (+25C时)

2.电缆允许敷设与安装的温度应不低于-10C

3.电缆最小弯曲半径不小于电缆外径的6倍。

The installation of the cable laying

1.Long-term allowed working temperature of cable - 40 ~+ 50Cthe biggest monthly average relative humidity of 95%(+ 25C);

2. The cable and installation of the allowed temperature should benotless than 10C;

3. The minimum bending radius should not less than 6 times of cablediameter.