An automatic power-off control device and control method for electric locomotive stringing

Abstract

The invention provides an electric locomotive stringing automatic power-off control apparatus and control method. The apparatus is characterized by comprising a control host, an electric locomotive vehicle-mounted machine and a tunnel wall-hanging positioning machine, wherein the control host receives carrier wave signals transmitted by a corresponding string, finishes address parsing, and if parsed addresses match, connecting a DC bus and a local segment of the string, and simultaneously detecting the work state of the electric locomotive so as to cut off power in real time; a tunnel wall-hanging positioning machine address is prestored in the onboard single-chip microcomputer of the electric locomotive vehicle-mounted machine in advance, when the electric locomotive vehicle-mounted machine is activated, address updating is detected, if the address is updated, the updated address is stored and is emitted to the control host, and if the address is not updated, internally stored data information is extracted to serve as an address for emitting to the control host; and the tunnel wall-hanging positioning machine is provided with an address information corresponding to the string, the address information is consistent with the address information of the control host of the local segment of the string, and the address information is continuously sent to a tunnel through a wireless mode for the electric locomotive vehicle-mounted machine to receive.

Description

technical field [0001] The invention relates to the field of power supply devices for electric locomotives in underground transportation lanes of mines, in particular to an automatic power-off control device and control method for electric locomotives. Background technique [0002] In the underground transportation lane of the mine, the overhead line electric locomotive uses the overhead line as the power supply wire to supply power to the electric locomotive, providing power energy to drive the electric locomotive to run. In order to ensure the normal running of the electric locomotive, the traditional power supply method requires that there is electricity all the time during the whole process of stringing. This power supply method is not conducive to saving electric energy, and is not conducive to improving the safety performance of the stringing facilities. It cannot realize the section stringing without vehicles When there is no electricity in the wire, the personal safe...

AI Technical Summary

Problems solved by technology

In order to ensure the normal running of the electric locomotive, the traditional power supply method requires that there is electricity all the time during the whole process of stringing. This power supply method is not conducive to saving electric energy, and is not conducive to improving the safety performance of the stringing facilities. It cannot realize the section stringing without vehicles When the wire is in a state of no electricity, it cannot improve personal safety, and it is easy to cause rear-end collisions of locomotives and electric shock casualties.

[0003] Under such circumstances, many mines and scientific research institutes have successively developed the automatic power-off control system of the electric vehicle overhead line. At present, the automatic power-off and transmission device in the market adopts the carrier communication method, and the track and the overhead line are used as the signal transmission carrier. The carrier signal must be in the motor. Vehicles, wires, and tracks form a good loop to transmit. Poor loop links can easily cause delayed transmission of signals, resulting in too long delays in power transmission or failure to transmit power. This drawback has also been verified in actual work.

[0004] Due to geological reasons, compared with other underground mines, Shanda Company has a larger amount of water inflow and more mud in the transportation roadway, resulting in poor contact between the electric locomotive and the guide rail, so that it is impossible to effectively and quickly transmit the power transmission signal of the power line, resulting in the motor frame. Line automatic power failure system is not in normal operation

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