"礦用電話線MHYV\礦用電話線MHYV" 專賣河南省
"礦用電話線MHYV\礦用電話線MHYV" 專賣河南省
鋼絲編織鎧裝礦用通信電纜MHYBV使用條件
●溫度：-40～50℃
●月平均大相對溫度：95%(+25℃)
●安裝敷設(shè)溫度：≥-10℃
●安裝時(shí)小彎曲半徑：MHYBV、MHJYV為電纜外徑的10倍，其他型號(hào)為電纜外徑的15倍
●電纜型號(hào)、名稱及使用范圍
型號(hào)
名稱
使用范圍
MHYV
煤礦用聚絕緣聚氯護(hù)套通信電纜
用于平巷、斜巷及機(jī)電峒室
MHJYV
煤礦用加強(qiáng)型線芯聚絕緣氯護(hù)套通信電纜
用于機(jī)械損傷較高的平巷和斜巷
MHYBV
煤礦用聚絕緣鍍鋅鋼絲編織鎧裝聚氯護(hù)套通信電纜
用于機(jī)械損傷較高的平巷和斜巷
MHY
煤礦用聚絕緣鋁—聚粘結(jié)護(hù)層聚氯護(hù)套通信電纜
用于較濕的斜井和平巷
MHYA32
煤礦用聚絕緣鋁—聚粘結(jié)護(hù)層鋼絲鎧裝聚氯護(hù)套通信電纜
用于豎井和斜井
●鋼絲編織鎧裝礦用通信電纜MHYBV結(jié)構(gòu)數(shù)據(jù)及主要技術(shù)支持
型號(hào)結(jié)構(gòu)及性能
MHYV
MHJYV
MHYBV
MHY
MHYA32
規(guī)格(對數(shù)\芯數(shù))
1×2
2×2
1×4
5×2
1×2
2×2
5×2
10×2
20×2
20×2
30×2
50×2
30×2
50×2
80×2
線芯結(jié)構(gòu)根數(shù)/直徑mm
7/0.28
4/0.28銅線
+3/0.28鋼線
1/0.8
粘接護(hù)層及鎧裝層
——
——
編織0.2—0.3的鍍鋅鋼絲
鋁—聚帶繞包
聚繞包及鍍鋅鋼絲鎧裝
電纜外徑≤mm
7.1
8.6
8.0
11.5
7.1
8.6
15.6
18.4
23.4
23.4
27.4
32.6
32.6
37.3
43.0
電纜參考重量kg/km
58
89
68
134
58
87
218
323
512
472
678
1006
1450
1943
2828
電纜導(dǎo)電線芯直流電阻≤Ω/km
45
73
36.7
絕緣線芯絕緣電阻≥Ω/km
3000
耐交流電壓
電纜絕緣線芯間及絕緣線芯與屏蔽間應(yīng)能經(jīng)受歷時(shí)1min，1.5kv交流電壓
工作電容≤μF/km
0.06
遠(yuǎn)端串音衰減(500m)≥dB
70
固有衰減≤dB/km
1.10
1.30
0.95
電纜工作時(shí)的直流電阻差≤
環(huán)阻的2%
鋼絲編織鎧裝礦用通信電纜MHYBV用途：主要用于煤礦井下監(jiān)測、監(jiān)控、軌道運(yùn)輸作信息傳輸線，也可用于通訊作信息傳輸。
高速列車在試驗(yàn)墻如鏡,光明亮耀眼的"空調(diào)",以恒定的速度在白色的"火箭"高速列車。這不是科幻"時(shí)間",但我國自主研發(fā)和使用高速列車車輛實(shí)驗(yàn)室。On June 20, China academy of launch vehicle technology, according to the release lasted one and a half years, by the hospital 702 (hereinafter referred to as lai company) developed by Beijing branch "high-speed train vehicle environmental laboratory", is based on space systems engineering thinking, through the simulation of various environmental factors to optimize the equipment and the ysis of the rocket, aircraft air flows around technology used in laboratory design, to achieve the goal of the temperature unibity is less than 2 ℃.據(jù)悉,"高速列車車輛實(shí)驗(yàn)室"的總長度超過40米,寬近12米,7米高,1200立方米的內(nèi)部空間,可以容納整個(gè)車廂高鐵。"China's high-speed rail train vehicle environmental laboratory not only shuttle in the vast land, also exported to all over the world, must withstand the test of all kinds of extreme weather and climate change."Rui company Beijing branch, chief engineer, project director Deng Rongwu said that "high-speed train vehicle environmental laboratory", which can simulate high temperature around the world, such as temperature, humidity, strong illumination environment, also can simulate the passengers in the car compartment gives off heat and moisture, make in the development stage of high iron accept extreme environment test, exed problems in advance, eliminate hidden dangers.Deng Rongwu said, "high-speed train vehicle environmental laboratory" can now be simulated humidity range covers 20% - 98%, light intensity covering 500-1120 watts per square meter (equator), the highest temperature of 85 ℃.特別是,模擬用戶的要求的低溫度是零下45℃,他們積極擴(kuò)大零下60℃范圍。"能力范圍、性和智能水平,實(shí)驗(yàn)室已經(jīng)達(dá)到的。"Deng Rongwu disclosed that at present, "high-speed train vehicle environmental laboratory" has been bally deliver the user use, become the space test equipment technology model of "conversion".在未來,也將根據(jù)客戶需求模擬雪,冰,在雨中,和其他功能。儀器、儀表
