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Author:
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Year:
Volume:
Issue:
zdd-11 xing dong li xian zai bo dian hua ji
Author(s):
WU Tieling
Pages:
53
-
54+52
Year:
1979
Issue:
2
Journal:
Coal Science and Technology
Keyword:
动力线
;
载波电话机
;
架线电机车
;
通讯线路
;
调度通讯
;
选频放大器
;
载波机
;
煤矿井下
;
移动设备
;
设计
;
Abstract:
<正> ZDD-11型动力线载波电话机,是为煤矿井下250V架线电机车的行车调度通讯而设计的。设计中并考虑了扩大其使用范围,达到一机多用的目的。利用动力线作载波电话的通道,可以节省大量的通讯线路,而对一些无法使用通讯线路的移动设备,则更有意义。由于动力线路一般都比通讯线路坚固可靠,所以也相应地提高了通讯的可靠性。
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