| 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) 產(chǎn)品用途:產(chǎn)品適用于煤礦井下監(jiān)測、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)名稱及使用范圍 model desc-riptions and use scope | 型 號(hào)
model | 名 稱
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 | 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(shè)溫度 cable laying temperature | ≥0℃ | | +25℃時(shí)環(huán)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(hào)為外徑的15倍
10 times of the cable outer diameter of mhjyv, and 15times for the rest | 電纜結(jié)構(gòu)示意圖
iiiustration of cable structure  電纜規(guī)格 specifications | 型 號(hào)
model | 標(biāo)準(zhǔn)截面 nominal sectional area(mm2) | | 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(shù)core no. | 對 數(shù)pair no. | 導(dǎo)體結(jié)構(gòu)conductor structure | | mhyv | 2-7 | 2-10 | 1/0.8
7/0.30 | 1/0.97
7/0.37 | - | 1/1.13
7/0.43 | 1/1.38
7/0.52 | | mhyvr | 2-7 | 2-10 | - | 42/0.15 | - | 32/0.20 | 48/0.20 | | mhyvp | 2-7 | 2-10 | 1/0.8
7/0.30 | 1/0.97
7/0.37 | - | 1/1.13
7/0.43 | 1/1.38
7/0.52 | | mhyvrp | 2-7 | 2-10 | - | 42/0.15 | - | 32/0.20 | 48/0.20 | | mhybv | 2-7 | 2-10 | - | 1/0.97
7/0.37
42/0.15 | 1/1.0 | 1/1.13
7/0.43
32/0.20 | 1/1.38
7/0.52
48/0.20 | | mhy32 | - | 3-7 | 2-19 | - | 1/0.97
7/0.37 | - | 1/1.13
7/0.43 | 1/1.38
7/0.52 | 電纜主要技術(shù)性能 major technical performances 1、電纜導(dǎo)體直流電阻和電纜固有衰減 dc resistance of the conductor and intrinsic attenuation | 型 號(hào) model | 標(biāo)稱截面
nominal sectional area
mm2 | 導(dǎo) 體 結(jié) 構(gòu) conductor structure | 20℃時(shí)導(dǎo)體直流電阻
dc resistance of the conductor at 20℃
(≤ω/km) | 固有衰減 intrinsic attenuation
(800hz) (≤db/km) | | 種 類 type | 根數(shù)/單線標(biāo)稱直徑 pc.no./single track diameter(mm) | | mhyv
mhyvr mhyvrp
mhyvp mhybv
mhy32 | 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(shù)性能 other major technical performances (型號(hào) model:mhyv、mhyvr、mhyvrp、mhyvp、mhybv、mhy32) | 序 號(hào)
serial number | 項(xiàng)目items | 技術(shù)性能
technical performances | | 1 | +20℃線芯導(dǎo)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(yàn)
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 | | 5 | 電纜工作電容(≤μf/km) cable service capacity | 0.06(800hz) | | 6 | 遠(yuǎn)端串音衰減(≥db/500) far-end crosstalk attenuation | 70(800hz) | | 7 | 電感(≤μh/km) inductance | 800(800hz) | | 8 | 工作對直流電阻差(≤%環(huán)阻) dc resistance difference | 2 | | 9 | 單根垂直燃燒試驗(yàn) combustion for single cable test | mt386 | | 10 | 成束燃燒試驗(yàn) combustion for bunched cable test | 符合gb/t18380標(biāo)準(zhǔn)中b類成束燃燒試驗(yàn)要求
conforms to gb/t18380 standard b kind becomes ties the burning test | | 
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