Train virtual system

Abstract

The utility model discloses a train virtual system, which is characterized in that an MVB (Multifunction Vehicle Bus) signal line and an MVB traction control line are respectively connected with an upper computer; the MVB signal line is respectively in signal connection with the MPU module to be tested, the remote input and output module and the traction controller, and the MVB traction control line is respectively connected with the input and output modules corresponding to the modules to be tested in sequence; the MVB power supply control module comprises a programmable power supply, a switching power supply and an IO controller, the upper computer is connected with the programmable power supply, outputs of the programmable power supply and the switching power supply are connected with the IO controller, the upper computer is connected with the IO controller, and the IO controller is respectively connected with the MPU module to be tested, the remote input and output module and the traction controller. According to the technical scheme of the utility model, excitation signals required by the test are provided for each controller and microprocessor of the train, so that the test of a test product in the whole train network environment is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit testing, in particular to a train virtual system. Background Art

[0002] At present, when testing the train's controllers, microprocessors, circuit boards, etc., it is impossible to effectively test the above-mentioned test products if they are not in the train's system network environment, and testing directly on the train usually cannot meet the test requirements and test conditions.

[0003] However, in the prior art, there is no device or system that can provide a train network environment for the test product, and it is impossible to conduct effective, rapid and systematic testing on the train's microprocessor, etc. Utility Model Content

[0004] In view of the above problems, the utility model provides a train virtual system, which, through the interaction between the host computer and the MVB (Multifunction Vehicle Bus) communication network module and the MVB power supply control module, performs a function / performance test environment on the functions, communications and protocols, and input and output signals of each component to be tested, and provides the excitation signals required for the test for each controller and microprocessor of the train, thereby realizing the test of the test product in the whole train network environment.

[0005] To achieve the above-mentioned purpose, the utility model provides a train virtual system, including: a host computer, an MVB communication network module and an MVB power supply control module;

[0006] The MVB communication network module includes an MVB signal line and an MVB traction control line, and the MVB signal line and the MVB traction control line are respectively connected to the host computer;

[0007] The MVB signal line is respectively connected to the MPU module to be tested, the remote input and output module and the traction controller for signal connection, and the MVB traction control line is respectively connected to the MPU module to be tested, the remote input and output module and the input and output module corresponding to the traction controller in sequence;

[0008] The MVB power supply control module includes a programmable power supply, a switching power supply and an IO controller. The host computer is connected to the programmable power supply. The outputs of the programmable power supply and the switching power supply are both connected to the IO controller. The host computer is connected to the IO controller. The IO controller is respectively connected to the MPU module to be tested, the remote input and output module and the traction controller.

[0009] In the above technical solution, preferably, the MVB signal line is connected to the main monitor, the diagnostic monitor, the CAB remote input and output module, the MPU traction module, the MPU comfort module and the gateway in sequence, and the MVB traction control line is connected to the CAB remote input and output module, the MC1 / MC2 remote input and output module, the M2S / MH remote input and output module, the traction controller, the relay, the TP / TPB remote input and output module, the CLT remote input and output module and the M2 remote input and output module in sequence.

[0010] In the above technical solution, preferably, the outputs of the programmable power supply and the switching power supply are respectively connected to the output relays of the IO controller, and the IO controller is controlled by the host computer to adjust the output relays to switch the power supply from the programmable power supply or the switching power supply, and the power output ports of the IO controller are respectively electrically connected to the MPU module to be tested, the remote input and output module and the traction controller.

[0011] In the above technical scheme, preferably, the RS485 communication line of the host computer is respectively connected to the RS485 interface of the programmable power supply and the RS485 interface of the IO controller, the host computer is connected to the IO controller through the RS485 interface, and is connected to the RS232 interface of the MPU traction module through the RS232 interface, and the MVB interface of the MPU traction module is connected to the MVB interface of the remote input and output module.

[0012] In the above technical solution, preferably, the output interface of the IO controller is connected to the external device interface through a fuse, and the input interface of the IO controller is connected to the external device interface through an isolation relay.

[0013] In the above technical solution, preferably, a switching unit is provided between the output interface of the IO controller and the external device interface, and the switching unit is connected to the host computer, so that the output interface of the IO controller and the external device interface can be matched by controlling the switching unit through the host computer.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows: through the interaction between the host computer and the MVB communication network module and the MVB power supply control module, a functional / performance test environment is provided for the functions, communications and protocols, and input and output signals of each component to be tested, and the excitation signals required for the test are provided for each controller and microprocessor of the train, thereby realizing the testing of the test product in the whole train network environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1A schematic diagram of the connection of an MVB communication network module of a train virtual system disclosed in an embodiment of the utility model;

[0016] Figure 2 A connection diagram of an MVB power supply control module of a train virtual system disclosed in an embodiment of the utility model;

[0017] Figure 3 The utility model discloses a connection diagram of a train virtual system and a component under test according to an embodiment of the utility model. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] The utility model is further described in detail below in conjunction with the accompanying drawings:

[0020] like Figure 1 As shown, a train virtual system provided according to the utility model includes: a host computer, an MVB communication network module and an MVB power supply control module;

[0021] The MVB communication network module includes an MVB signal line and an MVB traction control line, and the MVB signal line and the MVB traction control line are respectively connected to the host computer;

[0022] The MVB signal line is connected to the MPU module to be tested, the remote input and output module and the traction controller respectively, and the MVB traction control line is connected to the MPU module to be tested, the remote input and output module and the input and output module corresponding to the traction controller respectively in sequence;

[0023] The MVB power supply control module includes a programmable power supply, a switching power supply and an IO controller. The host computer is connected to the programmable power supply. The outputs of the programmable power supply and the switching power supply are both connected to the IO controller. The host computer is connected to the IO controller. The IO controller is respectively connected to the MPU module to be tested, the remote input and output module and the traction controller.

[0024] In this implementation, through the interaction between the host computer and the MVB communication network module and the MVB power supply control module, a functional / performance test environment is performed on the functions, communications and protocols, and input and output signals of each component to be tested, and the excitation signals required for the test are provided to each controller and microprocessor of the train, thereby realizing the testing of the test product in the train network environment.

[0025] Specifically, during the implementation process, an operating console, a network cabinet and an input / output interface device are set up to form the train virtual system. Among them, a power supply control and output unit, an IO control and protection unit are set up in the network cabinet, and an IO interface connection and switching unit is set up in the operating console.

[0026] In the above embodiment, preferably, the MVB signal line is connected to the main monitor, the diagnostic monitor, the CAB remote input and output module, the MPU traction module, the MPU comfort module and the gateway in sequence, and the MVB traction control line is connected to the CAB remote input and output module, the MC1 / MC2 remote input and output module, the M2S / MH remote input and output module, the traction controller, the relay, the TP / TPB remote input and output module, the CLT remote input and output module and the M2 remote input and output module in sequence.

[0027] like Figure 2 As shown, in the above embodiment, preferably, the outputs of the program-controlled power supply and the switch power supply are respectively connected to the output relay of the IO controller, and the upper computer controls the IO controller to adjust the output relay to switch the power supply from the program-controlled power supply or the switch power supply, and the power output port of the IO controller is electrically connected to the MPU module to be tested, the remote input and output module, and the traction controller. In addition, the upper computer can also control the program-controlled power supply to adjust the voltage through instructions, and perform high and low voltage operating status tests on the tested product.

[0028] like Figure 3 As shown, in the above embodiment, preferably, the RS485 communication line of the host computer is respectively connected to the RS485 interface of the programmable power supply and the RS485 interface of the IO controller, the host computer is connected to the IO controller through the RS485 interface, and is connected to the RS232 interface of the MPU traction module through the RS232 interface, and the MVB interface of the MPU traction module is connected to the MVB interface of the remote input and output module.

[0029] In the above embodiment, preferably, the output interface of the IO controller is connected to the external device interface through a fuse to prevent the overcurrent risk caused by short circuit of the external device, and the input interface of the IO controller is connected to the external device interface through an isolation relay to prevent the input voltage from being too high and damaging internal components.

[0030] In the above implementation, preferably, a switching unit is provided between the output interface of the IO controller and the external device interface, and the switching unit is connected to the host computer, so that the output interface of the IO controller and the external device interface can be matched by controlling the switching unit through the host computer.

[0031] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A train virtual system, characterized in that: include: Host computer, MVB communication network module and MVB power supply control module; The MVB communication network module includes an MVB signal line and an MVB traction control line, and the MVB signal line and the MVB traction control line are respectively connected to the host computer; The MVB signal line is respectively connected to the MPU module to be tested, the remote input and output module and the traction controller for signal connection, and the MVB traction control line is respectively connected to the MPU module to be tested, the remote input and output module and the input and output module corresponding to the traction controller in sequence; The MVB power supply control module includes a programmable power supply, a switching power supply and an IO controller. The host computer is connected to the programmable power supply. The outputs of the programmable power supply and the switching power supply are both connected to the IO controller. The host computer is connected to the IO controller. The IO controller is respectively connected to the MPU module to be tested, the remote input and output module and the traction controller.

2. The train virtual system according to claim 1, characterized in that: The MVB signal line is connected to the main monitor, diagnostic monitor, CAB remote input and output module, MPU traction module, MPU comfort module and gateway in sequence respectively, and the MVB traction control line is connected to the CAB remote input and output module, MC1 / MC2 remote input and output module, M2S / MH remote input and output module, traction controller, relay, TP / TPB remote input and output module, CLT remote input and output module and M2 remote input and output module in sequence respectively.

3. The train virtual system according to claim 2, characterized in that: The outputs of the programmable power supply and the switching power supply are respectively connected to the output relays of the IO controller. The upper computer controls the IO controller to adjust the output relays to switch the power supply from the programmable power supply or the switching power supply. The power output ports of the IO controller are respectively electrically connected to the MPU module to be tested, the remote input and output module and the traction controller.

4. The train virtual system according to claim 3, characterized in that: The RS485 communication line of the host computer is respectively connected to the RS485 interface of the programmable power supply and the RS485 interface of the IO controller. The host computer is connected to the IO controller via the RS485 interface, and is connected to the RS232 interface of the MPU traction module via the RS232 interface. The MVB interface of the MPU traction module is connected to the MVB interface of the remote input and output module.

5. The train virtual system according to claim 4, characterized in that: The output interface of the IO controller is connected to the external device interface through a fuse, and the input interface of the IO controller is connected to the external device interface through an isolation relay.

6. The train virtual system according to claim 5, characterized in that: A switching unit is provided between the output interface of the IO controller and the external device interface, and the switching unit is connected to the host computer, so that the output interface of the IO controller and the external device interface can be matched by controlling the switching unit through the host computer.

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