產(chǎn)品用途:本產(chǎn)品適用于固定敷設(shè)在礦井作通信干線及分線箱與電話機(jī)連接線
scope of application:this product is fit for being laid in fixed placed in mines for the connection of communication trunk linesjunction boxbephones.
執(zhí)行標(biāo)準(zhǔn) standards implemented: q/3210hl29-2003
型號(hào)、名稱及使用范圍 model desc-riptionsuse scope
型 號(hào)model
|
名 稱desc-riptions
|
使 用 范 圍scope of application
|
| mhvvhuvv | 煤礦用聚氯乙烯絕緣阻燃聚氯乙烯護(hù)套電話電纜pvc insulated fire retardant pvc sheathed bephone cables for use in mines | 礦井中一般場(chǎng)合general circumstances in mines |
| mhvvrhuvvr | 煤礦用聚氯乙烯絕緣阻燃聚氯乙烯護(hù)套軟電話電纜pvc insulated fire retardant pvc sheathed soft bephone cables for use in mines | 礦井中分線盒、分線箱與電話機(jī)連接的場(chǎng)合where connection between junction boxbephone is required in mines |
| mhvv22huvv22 | 煤礦用聚氯乙烯絕緣鋼帶鎧裝阻燃聚氯乙烯護(hù)套電話電纜pvc insulated steel tape armored fire retardant pvc sheathed bephone cables for use in mines | 礦井中承受一定沖擊力和壓力的場(chǎng)合where cables are under some impactpressure in the mine |
| mhvv32huvv32 | 煤礦用聚氯乙烯絕緣細(xì)圓鋼絲鎧裝阻燃聚氯乙烯護(hù)套電話電纜pvc insulated fine round steel wire armored fire retardant pvc sheathed bephone cables for use in mines | 礦井中垂直敷設(shè)或承受較大拉力的場(chǎng)合vertically laid or laid where the cables are under big impactpull force in mines |
| mhyvhuyv | 煤礦用聚乙烯絕緣阻燃聚氯乙烯護(hù)套電話電纜pe insulated fire retardant pvc sheathed bephone cables for use in mines | 礦井中一般場(chǎng)合general circumstances in mines |
| mhyvrhuyvr | 煤礦用聚乙烯絕緣阻燃聚氯乙烯護(hù)套軟電話電纜pe insulated fire retardant pvc sheathed soft bephone cables for use in mines | 礦井中一般場(chǎng)合general circumstances in mines |
| mhyv22huyv22 | 煤礦用聚乙烯絕緣鋼帶鎧裝阻燃聚氯乙烯護(hù)套電話電纜pe insulated steel tape armored fire retardant pvc sheathed bephone cables for use in mines | 礦井中承受一定沖擊力和壓力的場(chǎng)合where cables are under some impactpressure in the mine |
| mhyv32huyv32 | 煤礦用聚乙烯絕緣細(xì)圓鋼絲鎧裝阻燃聚氯乙烯護(hù)套電話電纜pe insulated fine round steel wire armored fire retardant pvc sheathed bephone cables for use in mines | 礦井中垂直敷設(shè)或承受較大拉力的場(chǎng)合vertically laid or laid where the cables are under big impactpull force in mines |
電纜結(jié)構(gòu)示意圖iiiustration of cable structure
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 | -40℃-+50℃ |
| 電纜敷設(shè)溫度cable laying temperature | ≥-10℃ |
| +25℃時(shí)環(huán)境相對(duì)濕度environment relative humidity at 25℃ | ≤95% |
| 電纜的最小彎曲半徑minimun bending radius | mhvv mhyv mhvvr mhyvr 型電纜為電纜外徑的15倍，其它型號(hào)為外徑的20倍15 times of the cable outer diameter of mhvv mhyv mhvvr mhyvr,20times for the rest |
電纜規(guī)格 specifications
型 號(hào)model
|
規(guī) 格specifications
|
導(dǎo)體結(jié)構(gòu)(根數(shù)/直徑)mm conductor structurenumber/diameter
|
| mhyvr mhvvr | 1x2 | 1/0.28鍍錫銅線 +6/0.28鍍錫鋼線1/0.28 tinned copper wire +6/0.28 tinned steel wire |
| mhvv22 mhvv32 mhyv22 mhyv32 | 2x2-100x2 | 1/0.5; 1/0.8 |
| mhvv mhyv | 1x2-100x2 | 1/0.5; 1/0.8 |
電纜主要技術(shù)性能 major technical perbances
1、 電纜導(dǎo)體直流電阻及固有衰減
dc resistance of the conductorintrinsic attenuation
型 號(hào)model
|
+20℃導(dǎo)體直流電阻(≤ω/km)dc resistance of conductor at 20℃
|
固有衰減(800hz)≤db/km intrinsic attenuation
|
mhvvr mhyvr
|
260
|
4.63
|
mhvv22 mhvv32 mhyv22 mhyv32 mhvv mhyv
|
95(0.5mm); 36.70.8mm
|
1.320.5mm; 0.950.8mm
|
2、電纜其它技術(shù)性能 other major technical perbances
序 號(hào)serial number
|
項(xiàng) 目items
|
型 號(hào)model:mhvv mhvvr mhvv22 mhvv32
|
型 號(hào)model:mhyv mhyvr mhyv22 mhyv32
|
|
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(≤dm/km)cable intrinsic attenuation | 見上表 see above table | ||
3
|
+20℃絕緣電阻(≥mω·km)insulating resistance at 20℃ | 110 ; 40mhvvr | 3000 ; 110mhyvr | |
4
|
1min工頻交流電壓試驗(yàn)lmin power frequency alternating current pressure test | 芯-芯core - core芯-鎧裝層core - armoring | 1000v不擊穿 1000v no breakdown | 1500v不擊穿1500v no breakdown |
5
|
工作電容(≤μf/km)service capacity | 0.12 | 0.06 | |
6
|
單根垂直燃燒試驗(yàn)single wire burning test | mt386 | ||
7
|
成束燃燒試驗(yàn)group burning test | 符合gb/t 18380.3標(biāo)準(zhǔn)中b類成束試驗(yàn)要求conbs to gb/t18380.3 standard b types group test | ||
