商铺名称:天津市电缆总厂第一分厂
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煤矿用阻燃通信电缆(原煤矿用信号电缆)
煤矿用阻燃通信电缆(原煤矿用信号电缆)520.7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。
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 |
煤矿用阻燃通信电缆(原煤矿用信号电缆)520.7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 |