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公司基本資料信息
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| 加工定制:是 | 芯數(shù):可選 |
| 護套材質(zhì):可選 | 材料形狀:圓線 |
| 拉伸強度:國標 | 電線最大外徑:國標（mm） |
| 絕緣厚度:國標（mm） | 產(chǎn)品認證:MA |
型號、名稱及使用范圍
Model、Descriptions and Use scope
| 型號 Model | 名 稱 Descriptions | 使 用 范 圍 Use scope |
| MHYV | 煤礦用聚乙烯絕緣聚氯乙烯護套通信電纜 PE insulated PVC sheathed communication cables for coal mines | 用于平巷、斜巷及機電硐室 Served in level,slanted channels and power house |
| MHJYV | 煤礦用加強型線芯聚乙烯絕緣聚氯乙烯護套通信電纜 Reinforced core PE insulated PVC sheathed communication cables for coal mines | 用于機械損傷較高的平巷和斜巷 Served in level and slanted channels where mechanical damage is frequent |
| MHYBV | 煤礦用聚乙烯絕緣鍍鋅鋼絲編織鎧裝聚氯乙烯護套通信電纜 PE insulated galvanized steel wire weave armored PVC sheathed communication cables for coal mines | 用于機械沖擊較高的平巷和斜巷 Served in level and slanted channels where mechanical damage is frequent |
| MHYAV | 煤礦用聚乙烯絕緣鋁-聚乙烯粘護層聚氯乙烯護套通信電纜 PE insulated Al/PE binding layer PVC sheathed communication cables for coal mines | 用于較潮濕的斜井和平巷 Served in level and slanted channels with high humidity |
| MHYA32 | 煤礦用聚乙烯絕緣鋁-聚乙烯粘結(jié)護層鋼絲鎧裝聚氯乙烯護套通信電纜 PE insulated Al/PE binding layer steel wire armored PVC sheathed communication cables for coal mines | 用于豎井或斜井 Served in shaft and slanted shaft |
使用特性 Service characteristics
| 電纜長期允許工作溫度 Long-term service temperature of the cable conductor | -40℃- 50℃ |
| 電纜敷設溫度 Cable laying temperature | -10℃ |
| 25℃時環(huán)境相對濕度 Environment relative humidity at 25℃ | 95% |
| 電纜的最小彎曲半徑 Minimun bending radius | MHYV及MHJYV型電纜為電纜外徑的10倍，其它型號為外徑的15倍 10 times of the cable outer diameter of MHJYV, and 15times for the rest |
電纜規(guī)格 Specifications
| 型 號 Model | 規(guī) 格 Specifications | 導體結(jié)構(gòu)(根/直徑)mm Conductor structure(number/diameter) |
| MHYV | 1x2、2x2、1x4、5x2 | 7/0.28 |
| MHJYV | 1x2、2x2 | 4/0.28銅線 3/0.28鋼線 4/0.28 copper wire 3/0.28 steel wire |
| MHYBV | 5x2、10x2、20x2 | 1/0.8 |
| MHYAV | 20x2、30x2、50x2 | |
| MHYA32 | 30x2、50x2、80x2 |
電纜主要技術(shù)性能 Major technical performances
1、電纜導體直流電阻及固有衰減 DC resistance of the conductor and Intrinsic attenuation
| 型 號 Model | 20℃時導體直流電阻 DC resistance of conductor at 20℃ ( ， /km) | 固有衰減(800Hz) Intrinsic attenuation ( ,dB/km) |
| MHYV | 45 | 1.10 |
| MHJYV | 73 | 1.30 |
| MHYBV MHYAV MHYA32 | 36.7 | 0.95 |
2、電纜其它主要技術(shù)性能 Other major technical performances
( MHYV、MHJYV、MHYBV MHYAV、MHYA32)
| 序 號 Serial number | 項目 Items | 技術(shù)性能 Technical performances |
| 1 | 20℃線芯直流電阻( /Km) Line core DC resistance at 20℃ | 見上表 See above table |
| 2 | 電纜固有衰減( dB/Km) Cable intrinsic attenuation | 見上表 See above table |
| 3 | 20℃絕緣電阻( M Km) Insulating resistance at 20℃ | 3000 |
| 4 | lmin工頻交流電壓試驗 lmin power frequency alternating current pressure test | 1500V不擊穿(50Hz) 1500V Does not penetrate |
| 5 | 遠端串音衰減( dB/500) Far-end crosstalk attenuation | 70(800Hz) |
| 6 | 電感( H/Km) Inductance | 800(800Hz) |
| 7 | 電纜工作電容( F/Km) Cable service capacity | 0.06(800Hz) |
| 8 | 工作對直流電阻差( %環(huán)阻) DC resistance difference | 2 |
| 9 | 單根垂直燃燒試驗 Combustion for single cable test | MT386 |
| 10 | 成束燃燒試驗 Combustion for bunched cable test | 符合GB/T18380標準中B類成束燃燒試驗要求 Conforms to GB/T18380 standard B kind becomes ties the burning test |
電纜結(jié)構(gòu)示意圖
IIIustration of cable structure
點擊圖片查看原圖
