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 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 mhjyv15times 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
