煤礦用阻燃通信電纜（原煤礦用信號電纜）
煤礦用阻燃通信電纜（原煤礦用信號電纜）520.7產(chǎn)品用途:產(chǎn)品適用于煤礦井下監(jiān)測、控制系統(tǒng)作低頻信號傳輸線。
|
型 號 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 channels ａnd power 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 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 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 |
煤礦用阻燃通信電纜（原煤礦用信號電纜）520.7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, 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 model |
標(biāo)準截面 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 perbances
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 model |
標(biāo)稱截面 nominal sectional area mm2 |
導(dǎo) 體 結(jié) 構(gòu) conductor structure |
20℃時導(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 mhyvrp mhybv |
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 perbances
（型號 model:mhyv、mhyvr、mhyvrp、mhyvp、mhybv、mhy32）
|
序 號 serial number |
項目items |
技術(shù)性能 technical perbances | |
|
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 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 combustion for single cable test | mt386 | |
|
10 |
成束燃燒試驗 combustion for bunched cable test | 符合gb/t18380標(biāo)準中b類成束燃燒試驗要求 conbs to gb/t18380 standard b kind becomes ties the burning test | |
