煤矿用电子计算机电缆Mining Computer Cable
一、执行标准
MT/T386-2011、Q/YZJX003-2015
Execution standard
MT/T386-2011、Q/YZJX003-2015
二、电缆型号名称和用途见下表 See the table below cable model name and usage
产品型号 Product model
表1 table 1
| 型号model | 名称 The name of the | 主要使用范围 The main scope of use |
| MDJYPV | 煤矿用聚乙烯绝缘对绞分屏蔽及总屏蔽聚氯乙烯护套计算机电缆 Coal mine with polyethylene insulation shielding with pointsａnd total shielding, PVC sheathed computer cable | 防干扰性要求较高的煤矿场所使用电子计算机和自动化设备连接用，适用于固定敷设 Interference resistant to demａnd higher coal mine sites useelectronic computers and connect with automation equipmentsuitable for fixed installation |
产品规格 Product specification
表2 table 2
型号 Type no. | 规格mm2 Gauge |
| MDJYPV | 2x2x1.5,4x2x1.5 |
三、主要性能指标Main performanceindicators
导体结构和直流电阻产品规格 Conductor structure and dcresistance
表3table 3
| 导体 | 20C时直流电阻≤ Q/km Dc resistance when 20C or less Q/km | |||
标称截面mm² Nominal cross section | 导体类别 Conductor category | 导体结构 Conductor structure | 不镀金属 Don't metallized | 镀金 metallized |
| 1.5 | 1 | 1/1.38 | 12.1 | 12.2 |
| 1.5 | 2 | 7/0.52 | 12.1 | 12.2 |
1、电缆导体直流电阻符合表3的要求
2、耐交流电压应经受1min、1.5kV交流电压试验不击穿
3、20C时电缆绝缘电阻不小于3000MQ·km;
4、电缆阻燃性通过MT/T386-2011试验。
1.The cable conductor dc resistance in accordance with therequirements of table 3;
2.Ac voltage resistance should be subjected to 1 min, 1.5 kVac voltage test not breakdown;
3.20 C when the cable insulation resistance is notless than3000 MQ·km;
4.The flame retardant cable by MT/T386-2011 test.
四、命名代号 Name code
煤矿用阻燃电缆 Flame retardant cable........................................................................................................M
计算机及仪表用电缆 Computer andinstrument cables..........................................................................DJ
铜质线芯 Copper wire core................................................................................................................省略omit
聚乙烯绝缘 Polyethylene insulation...............................................................................................................Y
铜丝编织屏蔽 Copper wire braided shielding.............................................................................................P
聚氯乙烯护套 PVC sheathed.............................................................................................................................V
五、结构示意图 Structure diagram
七、电缆的使用条件
1.电缆额定电压为300/500V:
2.电缆导体长期允许**工作温度为70C。
3.电缆允许敷设与安装的温度不低于-10C
The use condition ofthe cable
1.The cable is rated voltage 300/500V.
2.The cable conductor allows maximum working temperature of70°C for along time.
3. The temperature of the cable and installation allows of no lessthan-10°C
