煤礦用電子計算機(jī)電纜Mining Computer Cable
一、執(zhí)行標(biāo)準(zhǔn)
MT/T386-2011、Q/YZJX003-2015
Execution standard
MT/T386-2011、Q/YZJX003-2015
二、電纜型號名稱和用途見下表 See the table below cable model name and usage
產(chǎn)品型號 Product model
表1 table 1
| 型號model | 名稱 The name of the | 主要使用范圍 The main scope of use |
| MDJYPV | 煤礦用聚乙烯絕緣對絞分屏蔽及總屏蔽聚氯乙烯護(hù)套計算機(jī)電纜 Coal mine with polyethylene insulation shielding with pointsａnd total shielding, PVC sheathed computer cable | 防干擾性要求較高的煤礦場所使用電子計算機(jī)和自動化設(shè)備連接用，適用于固定敷設(shè) Interference resistant to demａnd higher coal mine sites useelectronic computers and connect with automation equipmentsuitable for fixed installation |
產(chǎn)品規(guī)格 Product specification
表2 table 2
型號 Type no. | 規(guī)格mm2 Gauge |
| MDJYPV | 2x2x1.5,4x2x1.5 |
三、主要性能指標(biāo)Main performanceindicators
導(dǎo)體結(jié)構(gòu)和直流電阻產(chǎn)品規(guī)格 Conductor structure and dcresistance
表3table 3
| 導(dǎo)體 | 20C時直流電阻≤ Q/km Dc resistance when 20C or less Q/km | |||
標(biāo)稱截面mm2 Nominal cross section | 導(dǎo)體類別 Conductor category | 導(dǎo)體結(jié)構(gòu) Conductor structure | 不鍍金屬 Don't metallized | 鍍金 metallized |
| 1.5 | 1 | 1/1.38 | 12.1 | 12.2 |
| 1.5 | 2 | 7/0.52 | 12.1 | 12.2 |
1、電纜導(dǎo)體直流電阻符合表3的要求
2、耐交流電壓應(yīng)經(jīng)受1min、1.5kV交流電壓試驗不擊穿
3、20C時電纜絕緣電阻不小于3000MQ·km;
4、電纜阻燃性通過MT/T386-2011試驗。
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、命名代號 Name code
煤礦用阻燃電纜 Flame retardant cable........................................................................................................M
計算機(jī)及儀表用電纜 Computer andinstrument cables..........................................................................DJ
銅質(zhì)線芯 Copper wire core................................................................................................................省略omit
聚乙烯絕緣 Polyethylene insulation...............................................................................................................Y
銅絲編織屏蔽 Copper wire braided shielding.............................................................................................P
聚氯乙烯護(hù)套 PVC sheathed.............................................................................................................................V
五、結(jié)構(gòu)示意圖 Structure diagram
七、電纜的使用條件
1.電纜額定電壓為300/500V:
2.電纜導(dǎo)體長期允許**工作溫度為70C。
3.電纜允許敷設(shè)與安裝的溫度不低于-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
