Telephone system of locomotive under coupled running mode
A technology of reconnection operation and telephone system, applied in the direction of telephone communication, telephone structure, electrical components, etc., can solve the problems of locomotives losing traction, locomotives not suitable for reconnection operation, unreliable work, etc.
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[0079] See figure 1 and figure 2 , the telephone system of the locomotive in the double-connected operation mode of this embodiment includes the locomotive telephone device 100 provided on each locomotive and the double-connected telephone line 200 connected to each locomotive telephone device 100 . The reconnection telephone line 200 includes one reconnection main telephone line 201 running through each locomotive and several reconnection branch lines 202 electrically connecting a corresponding locomotive telephone device 100 with the reconnection main telephone line 201 . The number of locomotives under the reconnection operation mode is usually 2 to 5 (3 in this embodiment), and the locomotive telephone device 100 is provided with one on each locomotive. of the same number.
[0080] The reconnection main phone line 201 is a pair of twisted-pair wires arranged in an insulated cable sleeve. The pair of twisted-pair wires is formed by twisting two No. 22-26 insulated copper...
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