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礦用阻燃通信電纜

 

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礦用阻燃通信電纜江苏福彩网

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產品用途:產品用于煤礦井下電話通信干線、配線和用戶線路。

Scope of application:The product uses in the coal mine mine shaft telephone communication skeleton line, matches the line and the subscriber's loop

執行標準 :Standards implemented:MT 81814-1999

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
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
 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

電纜規格 Specifications

型 號
Model
規 格
Specifications
導體結構(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℃
≤Ω ( , /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、電纜其它主要技術性能 Other major technical performances

( MHYV、MHJYV、MHYBV MHYAV、MHYA32)

序 號
Serial number
項目
Items
技術性能
Technical performances
1
+20℃線芯直流電阻(≤Ω/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(≥MΩ 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(≤μH/Km)
Inductance
800(800Hz)
7
電纜工作電容(≤μF/Km)
Cable service capacity
0.06(800Hz)
8
工作對直流電阻差(≤%環阻)
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

電纜結構示意圖
IIIustration of cable structure

 

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