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 channelspower 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 channelspower 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 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(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,15times for the rest |
電纜結構示意圖iiiustration of cable structure
電纜規(guī)格 specifications
型 號model
|
標準截面 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 perbances
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 attenuation(800hz) (≤db/km)
|
|
種 類 type
|
根數(shù)/單線標稱直徑 pc.no./single track diameter(mm)
|
||||
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 perbances
(型號 model:mhyv、mhyvr、mhyvrp、mhyvp、mhybv、mhy32)
序 號serial number
|
項目items
|
技術性能technical perbances
|
|
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(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標準中b類成束燃燒試驗要求conbs to gb/t18380 standard b kind becomes ties the burning test |