煤矿用阻燃通信电缆(原煤矿用信号电缆)
fire-retardant communication cables for coal mines(signal electric cable)
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。
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 desc-riptions and use scope
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
通信电缆(原煤矿用信号电缆)520.7" src="http://www.mhyv.cn/ComFolder/175499/downpic/hq31.gif" border=0 w="438" h="325" p="100">
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 perbances
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 perbances
(型号 model:mhyv、mhyvr、mhyvrp、mhyvp、mhybv、mhy32)
序 号
serial number |
项目items
|
技术性能
technical perbances |
|
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 conbs to gb/t18380 standard b kind becomes ties the burning test |
|
