MHYA32礦用阻燃通信電纜（抗拉電纜）
： 畢艷松
MHYAV型號煤礦用阻燃通信電纜-MA標志認證產品
fire-retardant communication cables for coal minessignal electric cable
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 desc-riptionsuse scope
| 型 號model | 名 稱desc-riptions | 使 用 范 圍use scope |
| mhyvpuyv | 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 |
| mhyvrpuyvr | 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 |
| mhyvppuyvp | 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 |
| mhyvrppuyvrp | 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 |
| mhybvpuyv31 | 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*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zui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 | 標準截面 nominal sectional areamm2 | ||||||||||||
| 0.5 | 0.75 | 0.8 1.0 | 1.5 | 0.5 | 0.75 | 0.8 | 1.0 | 1.5 0.5 | 0.75 | 0.8 | 1.0 | 1.5 | |
| - | 芯 數core no. | 對 數pair no. | 導體結構conductor structure | ||||||||||
| mhyv | 2-7 | 2-10 | 1/0.87/0.30 | 1/0.977/0.37 | - | 1/1.137/0.43 | 1/1.387/0.52 | ||||||
| mhyvr | 2-7 | 2-10 | - | 42/0.15 | - | 32/0.20 | 48/0.20 | ||||||
| mhyvp | 2-7 | 2-10 | 1/0.87/0.30 | 1/0.977/0.37 | - | 1/1.137/0.43 | 1/1.387/0.52 | ||||||
| mhyvrp | 2-7 | 2-10 | - | 42/0.15 | - | 32/0.20 | 48/0.20 | ||||||
| mhybv | 2-7 | 2-10 | - | 1/0.977/0.3742/0.15 | 1/1.0 | 1/1.137/0.4332/0.20 | 1/1.387/0.5248/0.20 | ||||||
| mhy32 | - | 3-7 | 2-19 | - | 1/0.977/0.37 | - | 1/1.137/0.43 | 1/1.387/0.52 | |||||
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 | 標稱截面nominal sectional areamm2 | 導 體 結 構 conductor structure | 20℃時導體直流電阻dc resistance of the conductor at 20℃≤ω/km | 固有衰減 intrinsic attenuation800hz ≤db/km | |
| 種 類 type | 根數/單線標稱直徑 pc.no./single track diametermm | ||||
| mhyvmhyvr mhyvrpmhyvp mhybvmhy32 | 0.5 | 1 | 1/0.8 | 36.0 | 1.0 |
| 2 | 7/0.30 | 36.0 | |||
| 0.75 | 1 | 1/0.97 | 24.5 | 0.8 | |
| 2 | 7/0.37 | 24.5 | |||
| 6 | 42/0.15 | 26.0 | |||
| 0.8 | 1 | 1/1.0 | 25.8 | 0.7 | |
| 1.0 | 1 | 1/1.13 | 18.1 | 0.65 | |
| 2 | 7/0.43 | 18.1 | |||
| 5 | 32/0.20 | 19.5 | |||
| 1.5 | 1 | 1/1.38 | 12.1 | 0.5 | |
| 2 | 7/0.52 | 12.1 | |||
| 5 | 48/0.20 | 13.3 | |||
2、電纜其它主要技術性能 other major technical performances
型號 model:mhyv、mhyvr、mhyvrp、mhyvp、mhybv、mhy32
| 序 號serial number | 項目items | 技術性能technical performances | |
| 1 | +20℃線芯導體直流電阻≤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℃ | 5000 | |
| 4 | 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50hz1500v does not penetrate |
| 5 | 電纜工作電容≤μf/km cable service capacity | 0.06800hz | |
| 6 | 遠端串音衰減≥db/500 far-end crosstalk attenuation | 70800hz | |
| 7 | 電感≤μh/km inductance | 800800hz | |
| 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 | |
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