MHY電纜型號 直流電纜云南省
MHY電纜型號 直流電纜云南省
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℃
●安裝時小彎曲半徑：MHYBV、MHJYV為電纜外徑的10倍，其他型號為電纜外徑的15倍
●電纜型號、名稱及使用范圍
型號
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。
Following aqsiq before 16.7 million yuan purchase 5 sets of isotope mass spectrometer, quality supervision, inspection and quarantine recently again for food quality and safety inspection (prison) measurement capacity building special instrument for more than 1.2 million yuan to tender, a total of 10.38 million yuan, the tendering budget purchasing content includes 4 pole - flight time high resolution gas chromatography mass spectrometry, inductively coupled plasma mass spectrometry, atomic absorption spectrometer, the droplet type digital PCR system and so on 5 sets of high-end equipment.Details are as follows: general administration of quality supervision, inspection and quarantine improve food quality and safety inspection (superintendent) of 2015 measuring capacity building special 1.2 million yuan of above equipment procurement projects (bureau) of qinghai (tender number: TC160C0MN) package item number, goods name (set) USES a brief technical requirements whether to allow the user units imported products bidding budget amount ($ten thousand) 11 level 4 pole - flight time high resolution gas chromatography mass spectrometry: 1 test pressure setting precision is 0.001 psi qinghai bureau 298 improve food quality and safety inspection in 2015 by aqsiq (prison) measurement capability construction special 1.2 million yuan of above equipment procurement projects (tender number: GXTC -) package item number, goods name (set) USES a brief technical requirements whether to allow the user units imported products bidding budget amount (RMB ten thousand) 11-1 1 inductively coupled plasma mass spectrometry instrument detection Peltier semiconductor temperature control device, temperature range - 5 ~ 20 ℃ continuous adjustable yunnan bureau is 18022-1 series inductively coupled plasma mass spectrometer detection anti-interference ability: 1 S (SO +) detection limit < 0.2 PPB, P (PO +) detection limit < 0.05 PPB gansu bureau of droplets is 268.533-1 type 1 digital PCR system detection accuracy: 10% Beijing bureau is 1 15044-1 atomic absorption spectrometer to detect maximum heating rate: 2800 ℃ \\\/ S, adjustable heilongjiang bureau is 142 instruments
