煤礦用阻燃通信電纜(原煤礦用信號電纜)
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。
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)行標準 standards implemented: q/3210hl07-2005
型號名稱及使用范圍 model desc-riptions and use scope
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
通信電纜(原煤礦用信號電纜)520.7" src="http://www.mhyv.cn/ComFolder/175499/downpic/hq31.gif" border=0 w="438" h="325" p="100">
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(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 conductor and intrinsic attenuation
型 號 model
|
標稱截面
nominal sectional area mm2 |
導 體 結(jié) 構(gòu) 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)
|
||||
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 |
|
