Motor train unit double-heading test simulation monitoring device
A technology for simulating monitoring and EMUs, applied in the direction of railway vehicle testing, etc., can solve the problems of affecting the maintenance progress, increasing the downtime of EMUs, test comprehensiveness, reliability defects, etc., to overcome the single test function, portable and practical structure. , Overcome the effect of debugging requirements
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specific Embodiment approach 1
[0025] Specific implementation mode 1. Combination Figure 1 to Figure 8 Describe this embodiment, a kind of EMU reconnection test simulation monitoring device, the monitoring device includes a DC power conversion board, a main processor board, a digital input board, a digital output board and a back board, the DC power conversion board, The main processor board, digital input board, digital output board and backplane are packaged in a 3U chassis.
[0026] The DC power conversion board provides power to the main processor board, digital input board, and digital output board through the backplane; image 3 As shown, the DC power conversion board includes a front-end protection circuit, a DC step-down converter and a back-end filter. Converting to DC5V, the back-end decoupling filter is used to stabilize the output of the step-down conversion circuit and reduce the ripple coefficient of the DC5V output signal.
[0027] The digital input board is used to collect the DC24V elect...
specific Embodiment approach 2
[0044] Specific embodiment two, combine figure 2 and Figure 9 Describe this embodiment, this embodiment is the application example of a kind of EMU reconnection test simulation monitoring device described in specific embodiment one:
[0045] 1. The reconnection test simulation monitoring device is connected to the train to be tested through the reconnection coupler. The network signal in the reconnection coupler is first connected to the WTB interface in the reconnection gateway, and the two main processor boards are connected to the MVB interface of the reconnection gateway. Connect and connect with monitoring computer via Ethernet. The I / O signal in the reconnection coupler is connected with the digital input board and digital output board of the reconnection test simulation monitoring device. The main processor board, digital input board, and digital output board are connected through the backplane CAN bus.
[0046] 2. The monitoring computer initiates the test, and th...
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