煤礦通信電纜（原煤礦用信號電纜）
FIRE-RETARDANT COMMUNICATION CABLES FOR COAL MINES(Signal electric cable)
煤礦用通信電纜用途:產品適用于煤礦井下監測、控制系統作低頻信號傳輸線
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煤礦用通信電纜執行標準 Standards implemented: MT818-1999
煤礦用通信電纜型號名稱及使用范圍 Model descrtptions and Use scope
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型號
Mode
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名稱
Descrtptions
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使用范圍
Scope of application
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MHYV(PUYV)
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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 mine
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用于井下平巷、斜巷及機電硐室作普通信號傳輸
Used in level; or slanted channels and power house
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MHYVR(PUYVR)
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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 mine
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用于井下平巷、斜巷及機電硐室作普通信號傳輸
Used in level; or slanted channels and power house
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煤礦用聚乙烯絕緣銅絲編織屏蔽聚氯乙烯護套通信電纜
PE insulated copper wire weave shielded PVC sheathed communication cables
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用于井下干擾較大的場合作信號傳輸
Served in coal mine where interference is strong
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MHYVRP(PUYVRP
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煤礦用聚乙烯絕緣聚氯乙烯護套銅絲編織屏蔽通信軟電纜
PE insulated copper wire weave shielded PVC sheathed communication soft cables
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用于井下干擾較大的場合作信號傳輸
Served in coal mine where interference is strong
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煤礦用聚氯乙烯絕緣銅絲編織屏蔽聚氯乙烯護套控制電纜
PVC insulated copper wire weave shielded PVC sheathed control cables for use in mines
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用于井下平巷或斜巷作主信號傳輸能承受一定的機械沖擊力
Served in level and slanted channels where the mechanic impact is strong
s
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煤礦用聚乙烯絕緣聚氯乙烯護套鋼絲鎧裝通信電纜
PE insulated steel wire armored PVC sheathed communication cables
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用于豎井或斜井作主信號傳輸能承受較大的拉力
Served as major signal line in shaft or slanted shaft in coal mines,capable of being under considerable pull force
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煤礦用通信電纜使用特性 Service characteristics
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| 煤礦用通信電纜電纜長期允許工作溫度 Long-term service temperature of the cable conductor |
70℃
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| 煤礦用通信電纜電纜敷設溫度 Cable laying temperature |
≥0℃ |
| 煤礦用通信電纜+25℃時環境相對濕度 Environment relative humidity at 25℃ |
≤95%
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| 煤礦用通信電纜的傳輸頻率 Transmission frequency of cable |
≤30KHz
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| 煤礦用通信電纜的最小彎曲半徑 Minimun bending radius |
MHYVR及MHYVRP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 |
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煤礦用通信電纜規格 Specifications
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煤礦用通信電纜型號 Model
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煤礦用通信電纜標準截面 Nominal sectional area(mm2)
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0.5
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0.75
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0.8 1.0
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1.5
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0.5
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0.75
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0.8
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1.0
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1.5 0.5
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0.75
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0.8
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1.0
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1.5
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芯 數Core No.
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對 數Pair No.
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導體結構Conductor structure
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MHYV
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2-7
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2-10
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1/0.8
7/0.30
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1/0.97
7/0.37
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-
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1/1.13
7/0.43
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1/1.38
7/0.52
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MHYVR
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2-7
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2-10
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-
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42/0.15
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-
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32/0.20
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48/0.20
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MHYVP
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2-7
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2-10
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1/0.8
7/0.30
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1/0.97
7/0.37
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-
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1/1.13
7/0.43
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1/1.38
7/0.52
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MHYVRP
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2-7
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2-10
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-
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42/0.15
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-
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32/0.20
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48/0.20
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MHYBV
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2-7
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2-10
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-
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1/0.97
7/0.37
42/0.15
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1/1.0
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1/1.13
7/0.43
32/0.20
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1/1.38
7/0.52
48/0.20
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MHY32
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-
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3-7
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2-19
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-
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1/0.97
7/0.37
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-
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1/1.13
7/0.43
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1/1.38
7/0.52
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煤礦用通信電纜主要技術性能 Major technical performances
1、煤礦用通信電纜導體直流電阻和電纜固有衰減 DC resistance of the conductor and Intrinsicattenuation
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煤礦用通信電型號 Model
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標稱截面 Nominal sectional area mm2
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導 體 結 構 Conductorstructure structure
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種 類 Type
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根數/單線標稱直徑 PC.No./Single track diameter(mm)
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20℃時導體直流電阻
DC resistance of the conductor at 20℃
(≤Ω/Km)
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固有衰減 Intrinsic attenuation
(800Hz) (≤dB/Km)
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MHYV
MHYVR
MHYVRP
MHYVP
MHYBV
MHY32
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0.5
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1
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1/0.8
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36.0
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1.0
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2
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7/0.30
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36.0
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0.75
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1
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1/0.97
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24.5
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0.8
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2
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7/0.37
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24.5
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6
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42/0.15
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26.0
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0.8
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1
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1/1.0
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25.8
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0.7
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1.0
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1
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1/1.13
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18.1
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0.65
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2
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7/0.43
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18.1
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5
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32/0.20
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19.5
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1
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1/1.38
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12.1
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0.5
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1.5
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2
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7/0.52
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12.1
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5
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48/0.20
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13.3
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2、煤礦用通信電纜其它主要技術性能 Other major technical performances (型號 Model:MHYV、MHYVR、MHYVRP、MHYVP、MHYBV、MHY32)
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序 號
Serial number
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項目Items
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煤礦用通信電纜技術性能 Technical performances
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1
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煤礦用通信電纜+20℃線芯導體直流電阻(≤Ω/Km) Line core DC resistance at 20℃ |
見上表 See above table
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2
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煤礦用通信電纜電纜固有衰減(≤dB/Km) Cable intrinsic attenuation |
見上表 See above table
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3
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煤礦用通信電纜+20℃絕緣電阻(≥MΩ Km) Insulating resistance at 20℃ |
5000
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4
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煤礦用通信電纜lmin工頻交流電壓試驗 lmin power frequency alternating current pressure test |
芯-芯 Core - core 芯-屏蔽 Core - hield |
1500V不擊穿(50Hz)
1500V Does not penetrate
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5
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煤礦用通信電纜工作電容(≤μF/Km) Cable service capacity |
0.06(800Hz)
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6
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煤礦用通信電纜遠端串音衰減(≥dB/500) Far-end crosstalk attenuation |
70(800Hz)
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7
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煤礦用通信電纜電感(≤μH/Km) Inductance |
800(800Hz)
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8
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煤礦用通信電纜工作對直流電阻差(≤%環阻) DC resistance difference |
2
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9
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煤礦用通信電纜單根垂直燃燒試驗 Combustion for single cable test |
MT386
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10
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煤礦用通信電纜成束燃燒試驗 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
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