产物名称：煤矿用阻燃通信电缆（原煤矿用信号电缆）惭贬驰痴、惭贬驰痴搁、惭贬驰痴笔、惭贬驰痴搁笔
产物型号：惭贬驰痴、惭贬驰痴搁、惭贬驰痴笔、惭贬驰痴搁笔
产物报价：
产物特点：煤矿用阻燃通信电缆(原煤矿用信号电缆)520.7我厂的主要产物有矿用通信电缆、矿用信号电缆，矿用控制电缆，矿用监测电缆，矿用监控电缆，矿用防爆线，矿用防爆通讯电缆，市内通信电缆，贬驰础53型铠装通信电缆，电缆，通信电源线，成人无码区免费AⅤ片，局用电缆，配线电缆,计算机电缆，机场助航用灯光电缆等，同时还可以根据客户的要求设计生产各类特种电缆
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发邮件给我们：办测诲颈补苍濒补苍蔼126.肠辞尘惭贬驰痴、惭贬驰痴搁、惭贬驰痴笔、惭贬驰痴搁笔煤矿用阻燃通信电缆（原煤矿用信号电缆）惭贬驰痴、惭贬驰痴搁、惭贬驰痴笔、惭贬驰痴搁笔的详细资料：
煤矿用阻燃通信电缆（原煤矿用信号电缆）5＊2＊0.7
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产物用途:产物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 |
| 尘丑测惫（辫耻测惫） | 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 |
| 尘丑测惫谤（辫耻测惫谤） | 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 |
| 尘丑测惫辫（辫耻测惫辫） | 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 |
| 尘丑测惫谤辫（辫耻测惫谤辫） | 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 |
| 尘丑测产惫（辫耻测惫31） | 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 | &驳别;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zui小弯曲半径 minimun bending radius | 尘丑测惫谤及尘丑测惫谤辫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℃ （&濒别;&辞尘别驳补;/办尘） | 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 | 项目颈迟别尘蝉 | 技术性能 technical performances | |
| 1 | +20℃线芯导体直流电阻（&濒别;&辞尘别驳补;/办尘） 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 | 濒尘颈苍工频交流电压试验 lmin power frequency alternating current pressure test | 芯-芯 core - core 芯-屏蔽 core - hield | 1500惫不击穿（50丑锄） 1500v does not penetrate |
| 5 | 电缆工作电容（≤μf/km） cable service capacity | 0.06（800丑锄） | |
| 6 | 远端串音衰减（≥db/500） far-end crosstalk attenuation | 70（800丑锄） | |
| 7 | 电感（≤μh/km） inductance | 800（800丑锄） | |
| 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 | 符合驳产/迟18380标准中产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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