A centralized on-off control method for display screens of subway vehicles
A technology of display control and on-off control, applied in locomotives and other directions, can solve problems such as inconvenient maintenance or test work, and achieve the effects of ingenious control circuit design, convenient operation, and safe and reliable control.
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[0016] The scheme of the present invention will be described in detail below by taking a train of 6 vehicles (the formation method is: A-B-C-C-B-A, and the two units of the train A-B-C are completely symmetrical) as an example.
[0017] Such as figure 1 As shown, it is a display control circuit of a train unit (A-B-C three cars), figure 2 It is the display control circuit diagram in car A, and car B and car C are the same as car A. The centralized on-off control method of the subway vehicle display screen of the present invention is realized based on a control circuit. The control circuit consists of: the driver's cab activation relay normally open contact COR, and the main circuit breaker CB1 connected to the train power supply for controlling the display screen , The left circuit breaker LCB used to control the left display screen and the right circuit breaker RCB used to control the right display screen located in the electrical cabinet of each car, the self-locking butto...
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