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煤礦用阻燃通信電纜（原煤礦用信號(hào)電纜）5＊2＊0.7
fire-retardant communication cables for coal mines（signal electric cable）
煤礦用阻燃通信電纜（原煤礦用信號(hào)電纜）520.7產(chǎn)品用途:產(chǎn)品適用于煤礦井下監(jiān)測(cè)、控制系統(tǒng)作低頻信號(hào)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(zhí)行標(biāo)準(zhǔn) standards implemented: q/3210hl07-2005
型號(hào)名稱(chēng)及使用范圍 model desc-riptions and use scope
| 型 號(hào) model | 名 稱(chēng) desc-riptions | 使 用 范 圍 use scope |
| mhyv（puyv） | 煤礦用聚乙烯絕緣聚氯乙烯護(hù)套通信電纜 pe insulated pvc sheathed communication cables for coal mine | 用于井下平巷、斜巷及機(jī)電硐室作普通信號(hào)傳輸 used in level; or slanted channels and power house |
| mhyvr（puyvr） | 煤礦用聚乙烯絕緣聚氯乙烯護(hù)套通信電纜 pe insulated pvc sheathed communication cables for coal mine | 用于井下平巷、斜巷及機(jī)電硐室作普通信號(hào)傳輸 used in level; or slanted channels and power house |
| mhyvp（puyvp） | 煤礦用聚乙烯絕緣銅絲編織屏蔽聚氯乙烯護(hù)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(chǎng)合作信號(hào)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(hù)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(chǎng)合作信號(hào)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(hù)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(hào)傳輸能承受一定的機(jī)械沖擊力 served in level and slanted channels where the mechanic impact is strong |
| mhy32 （puyv39、39-1） | 煤礦用聚乙烯絕緣聚氯乙烯護(hù)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(hào)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 |
煤礦用阻燃通信電纜（原煤礦用信號(hào)電纜）520.7使用特性 service characteristics
| 電纜長(zhǎng)期允許工作溫度 long-term service temperature of the cable conductor | 70℃ |
| 電纜敷設(shè)溫度 cable laying temperature | ≥0℃ |
| +25℃時(shí)環(huán)境相對(duì)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(hào)為外徑的15倍 10 times of the cable outer diameter of mhjyv, and 15times for the rest |
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