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煤矿用阻燃通信电缆(原名矿用信号电缆)520.7
来自：天津市电缆总厂第一分厂
2人民币
发布时间：2012-11-5
关注次数：145
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煤矿用阻燃通信电缆(原名矿用信号电缆)520.7
煤矿用阻燃通信电缆(原名矿用信号电缆)520.7
煤矿用阻燃通信电缆(原名矿用信号电缆)520.7的详细介绍
煤矿用阻燃通信电缆(原名矿用信号电缆)520.7
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 channelspower 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 channelspower 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 levelslanted 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,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 conductorintrinsic 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 | |
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