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產品用途:產品適用于煤礦井下監測、控制系統作低頻信號傳輸線。
scope of application:the product is suitable for the coal mine mine shaft monitor, the control system makes the low-frequency signal transmission line
執行標準 standards implemented: q/3210hl07-2005
型號名稱及使用范圍 model de sc-riptionsuse scope
型 號model
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名 稱de sc-riptions
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使 用 范 圍use scope
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| mhyv(puyv) | 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 | 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 channelspower house |
| mhyvr(puyvr) | 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 | 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 channelspower house |
| mhyvp(puyvp) | 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 | 用于井下干擾較大的場合作信號傳輸served in coal mine where interference is strong |
| mhyvrp(puyvrp) | 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 | 用于井下干擾較大的場合作信號傳輸served in coal mine where interference is strong |
| mhybv(puyv31) | 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 tinned steel wire weave armored pvc sheathed communication cables | 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 levelslanted channels where the mechanic impact is strong |
| mhy32 (puyv39、39-1) | 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 | 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 |
使用特性 service characteristics
| 電纜長期允許工作溫度long-term service temperature of the cable conductor | 70℃ |
| 電纜敷設溫度 cable laying temperature | ≥0℃ |
| +25℃時環境相對濕度 environment relative humidity at 25℃ | ≤95% |
| 電纜的傳輸頻率 transmission frequency of cable | ≤30khz |
| 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,15times for the rest |
電纜結構示意圖iiiustration of cable structure
電纜規格 specifications
型 號model
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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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-
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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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1/0.87/0.30
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1/0.977/0.37
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-
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1/1.137/0.43
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1/1.387/0.52
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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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1/0.87/0.30
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1/0.977/0.37
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-
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1/1.137/0.43
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1/1.387/0.52
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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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1/0.977/0.3742/0.15
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1/1.0
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1/1.137/0.4332/0.20
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1/1.387/0.5248/0.20
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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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1/0.977/0.37
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-
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1/1.137/0.43
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1/1.387/0.52
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電纜主要技術性能 major technical performances
1、電纜導體直流電阻和電纜固有衰減 dc resistance of the conductorintrinsic attenuation
型 號 model
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標稱截面nominal sectional areamm2
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導 體 結 構 conductor structure
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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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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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mhyvmhyvr mhyvrpmhyvp mhybvmhy32 |
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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1.5
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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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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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