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 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 mhyvr mhyvrp mhyvp mhybv mhy32	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