产品用途:产品用于煤矿井下电话通信干线、配线和用户线路。
Scope of application:The product uses in the coal mine mine shaft telephone communication skeleton line, matches the line and the subscriber's loop
执行标准 Standa*** implemented:MT 81814-1999
型号、名称及使用范围
Model、Descripti*** and Use scope
|
型号
Model |
名 称
Descripti*** |
使 用 范 围
Use scope |
|
MHYV
|
煤矿用聚乙烯绝缘聚***护套通信电缆 PE insulated PVC sheathed communication cables for coal mines |
用于平巷、斜巷及机电硐室 Served in level,slanted channels and power house |
|
MHJYV
|
煤矿用加强型线芯聚乙烯绝缘聚***护套通信电缆 Reinforced core PE insulated PVC sheathed communication cables for coal mines |
用于机械损伤较高的平巷和斜巷 Served in level and slanted channels where mechanical damage is frequent |
|
MHYBV
|
煤矿用聚乙烯绝缘镀锌钢丝编织铠装聚***护套通信电缆 PE insulated galvanized steel wire we***e armored PVC sheathed communication cables for coal mines |
用于机械冲击较高的平巷和斜巷 Served in level and slanted channels where mechanical damage is frequent |
|
MHY***
|
煤矿用聚乙烯绝缘铝-聚乙烯粘护层聚***护套通信电缆 PE insulated Al/PE binding layer PVC sheathed communication cables for coal mines |
用于较潮湿的斜井和平巷 Served in level and slanted channels with high humidity |
|
MHYA32
|
煤矿用聚乙烯绝缘铝-聚乙烯粘结护层钢丝铠装聚***护套通信电缆 PE insulated Al/PE binding layer steel wire armored PVC sheathed communication cables for coal mines |
用于竖井或斜井 Served in shaft and slanted shaft |
使用特性 Service characteristics
| 电缆长期允许工作温度 Long-term service temperature of the cable conductor |
-40℃-+50℃
|
| 电缆敷设温度 Cable laying temperature |
≥-10℃
|
| +25℃时环境相对湿度 Environment relative humidity at 25℃ |
≤95%
|
| 电缆的***小弯曲半径 Minimun bending radius | MHYV及MHJYV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 |
电缆规格 Specificati***
|
型 号
Model |
规 格
Specificati*** |
导体结构(根/直径)mm
Conductor structure(number/diameter) |
|
MHYV
|
1x2、2x2、1x4、5x2 |
7/0.28
|
|
MHJYV
|
1x2、2x2 |
4/0.28铜线+3/0.28钢线 4/0.28
copper wire +3/0.28 steel wire |
|
MHYBV
|
5x2、10x2、20x2 |
1/0.8
|
|
MHY***
|
20x2、30x2、50x2 | |
|
MHYA32
|
30x2、50x2、80x2 |
电缆主要技术性能 Major technical performances
1、电缆导体直流电阻及固有衰减 DC resistance of the conductor and Intrinsic attenuation
|
型 号
Model |
20℃时导体直流电阻
DC resistance of conductor at 20℃ ≤Ω ( ， /km) |
固有衰减(800Hz)
Intrinsic attenuation ≤( ,dB/km) |
|
MHYV
|
45
|
1.10
|
|
MHJYV
|
73
|
1.30
|
|
MHYBV MHY*** MHYA32
|
36.7
|
0.95
|
2、电缆其它主要技术性能 Other major technical performances
( MHYV、MHJYV、MHYBV MHY***、MHYA32)