Train operation monitoring device

Abstract

The utility model provides a train operation monitoring device which solves the problems that a communication C plug-in of an existing monitoring device only achieves communication between a ground transponder (BTM) and a host, VME communication cannot be achieved, and meanwhile the functions of the communication plug-in cannot be included. Which comprises a host and a monitoring display in communication connection with the host, and is characterized in that BTM information and TCR information are converted into serial ports through an expansion C plug-in and a communication U plug-in respectively, the serial ports are communicated with an LKJ monitoring host through double CAN buses or a VME bus, the double CAN buses are adopted for communication, and the monitoring display is in communication connection with the host. Reliable hardware guarantee is provided for data transmission among the BTM, the TCR and the LKJ monitoring host, and meanwhile the device has the advantage of being simple in structure. Communication plug-ins of the double CAN buses and the VME bus can replace the communication plug-ins in function, and meanwhile, the capacity of reserving and expanding is reserved.

Description

Technical Field

[0001] The utility model belongs to the technical field of train control, and in particular relates to a train operation monitoring device comprising an extended communication C plug-in and a communication U plug-in, and having the function of communicating with a BTM and a TCR. Background Art

[0002] The Train Operation Monitoring System (LKJ) is a train control device with independent intellectual property rights in China. It consists of a host computer, a screen display, and other ancillary equipment. To provide the ground transponder with basic data for the LKJ, a communication C-plug-in is required to enable the LKJ to obtain data from the ground transponder (BTM) for train control. Traditional communication C-plug-ins only enable communication between the ground transponder (BTM) and the host computer; they cannot implement VME communication for the communication interface. Furthermore, they coexist with the communication board and cannot include the functions of the communication plug-in 102. Utility Model Content

[0003] In view of the above situation, the present invention provides a train operation monitoring device to solve the problem that the communication C plug-in of the existing monitoring device only realizes the communication between the ground transponder (BTM) and the host, cannot realize VME communication, and cannot include the function of the communication plug-in 102.

[0004] The technical solution is that it includes a host and a monitoring display connected to the host for communication. The host includes a recording plug-in, a communication plug-in, an analog input / output plug-in, a digital input / output plug-in and a power plug-in with a plate-like structure. Each of the plug-ins is made of a plate-like printed circuit board, forming a structure that is plugged into and fixedly communicates with the host case. The recording plug-in, communication plug-in, analog input / output plug-in, digital input / output plug-in and power plug-in are communicatively connected to the host board through copper wires. The communication plug-in is composed of an extended communication C plug-in for communication between the ground transponder and the host board, and a communication U plug-in for communication between the track circuit reader and the host board. The extended communication C plug-in and / or the communication U plug-in communicate with the host board through an internal bus, or communicate with the host board through a serial communication bus VME.

[0005] In the above or some embodiments, the extended communication C plug-in is provided with a front panel LED indicator light, the front panel LED indicator light is electrically connected to the CPU, and the extended communication C plug-in is provided with a bent pin connector, the bent pin connector includes an RS422 interface and a debug interface CD.

[0006] In the above or some embodiments, the 48-pin European connector at the extended communication C plug-in printed circuit board includes a CAN interface corresponding to the internal dual-channel bus, and also includes an RS485 interface and an RS422 interface.

[0007] In the above or some embodiments, the 96-pin Euro connector at the extended communication C plug-in printed circuit board includes three bus interfaces of VME bus: data, address, and control. The VME bus serves the dual-port RAM of the extended communication C plug-in.

[0008] In the above or some embodiments, the angled hole connector on the front panel of the communication U plug-in includes an RS485 interface, a CAN interface, and a current loop interface.

[0009] In the above or some embodiments, the 48-pin European connector at the communication U plug-in printed circuit board includes a CAN interface corresponding to the internal dual-channel bus, a dual-channel RS485 interface, and an RS422 interface.

[0010] In the above or some embodiments, the 96-pin Euro-type connector at the communication U card printed circuit board includes three bus interfaces of VME bus: data, address, and control. The VME bus serves the dual-port RAM of the communication U card 102.2.

[0011] The utility model discloses a train operation monitoring device with the function of communicating with BTM and TCR. The device converts BTM information and TCR information into serial ports through an extended C plug-in and a communication U plug-in respectively, and communicates with an LKJ monitoring host through a dual CAN bus or a VME bus. The dual CAN bus communication provides a reliable hardware guarantee for data transmission between the BTM, TCR and the LKJ monitoring host, and has the advantage of a simple structure. The communication plug-in with both the dual CAN bus and the VME bus can replace the communication plug-in in terms of function, while reserving and expanding the capability. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the principle of the utility model using a dual bus to communicate with the mainboard.

[0013] Figure 2 This is a schematic diagram of the utility model using dual buses, VME buses and motherboard communications.

[0014] Figure 3 This is the schematic diagram of the extended communication C plug-in for dual bus and VME bus communication in this utility model.

[0015] Figure 4 This is the principle diagram of the communication U plug-in for dual bus and VME bus communication in this utility model. DETAILED DESCRIPTION

[0016] The following is a clear and complete description of the technical solutions in the embodiments of the present invention, in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the implementation of the present invention, not all of it. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] A train operation monitoring device includes a host and a monitoring display communicatively connected to the host. The monitoring display can communicate with the host through an external bus. The host includes a recording plug-in 101, a communication plug-in 102, an analog input / output plug-in 103, a digital input / output plug-in 104, and a power plug-in with a plate-like structure. Each of the plug-ins is made of a plate-like printed circuit board, forming a structure that is plugged into and fixedly communicates with the host case. The recording plug-in 101, the communication plug-in 102, the analog input / output plug-in 103, the digital input / output plug-in 104, and the power plug-in are communicatively connected to the host board 105 via copper wire. The above structures are all existing technologies, and the specific plug-in structures and communication principles will not be repeated here.

[0018] In this solution, the communication plug-in 102 consists of an extended communication C plug-in 102.1 for communication between the ground transponder and the mainboard 105, and a communication U plug-in 102.2 for communication between the track circuit reader and the mainboard 105. Extended communication C plug-in 102.1 and / or communication U plug-in 102.2 communicate with the mainboard 105 via an internal bus or a serial communication bus (VME). This means that a dual internal CAN bus and VME bus solution can be used.

[0019] like Figure 3 As shown, extended communication C-plug 102.1 includes a BTM interface, a CPU, a serial port controller, an internal first CAN controller, an internal second CAN controller, a VME bus controller, and an LKJ monitoring host. The BTM interface is connected to the CPU via the serial port controller, and the CPU can communicate with the host via the internal first and second CAN controllers and the VME bus controller, respectively. Of course, the above implementation scheme can also be implemented with communication with the host only via the VME bus controller.

[0020] like Figure 4As shown, the communication U-card 102.2 includes a TCR interface, a CPU, a serial port controller, an internal first CAN controller, an internal second CAN controller, a VME bus controller, and an LKJ monitoring host. The BTM interface is connected to the CPU via the serial port controller, and the CPU can communicate with the host via the internal first and second CAN controllers and the VME bus controller, respectively. Of course, the above implementation scheme can also be implemented with communication with the host only via the VME bus controller.

[0021] It also includes an LED indicator light, which is electrically connected to the CPU.

[0022] The extended communication C plug-in 102.1 and the communication U plug-in 102.2 further include an external first CAN controller, an external second CAN controller and an external device. The external device is connected to the CPU via the external first CAN controller and the external second CAN controller. The external device may be LAIS or GPS2000.

[0023] The extended communication C plug-in 102.1 and communication U plug-in 102.2 also include an RS232 controller and an ISP interface. The ISP interface is electrically connected to the CPU via RS232. The ISP interface provides program downloads to the CPU via RS232. A dual-port RAM is also provided between the CPU and the LKJ monitoring host, through which the CPU communicates with the LKJ monitoring host. In this embodiment, when dual CAN buses are used for communication, if one CAN bus fails, the other CAN bus can be used for communication, ensuring reliable data transmission.

[0024] In the above or some embodiments, the extended communication C-plug 102.1 is provided with a front panel LED indicator light, which is electrically connected to the CPU. The extended communication C-plug 102.1 is provided with a bent-pin connector, which includes an RS422 interface and a debug interface CD. The 48-pin Euro-style connector on the printed circuit board of the extended communication C-plug 102.1 includes a CAN interface corresponding to the internal two-way bus, as well as an RS485 interface and an RS422 interface.

[0025] In other embodiments, the 96-pin Euro-type connector on the printed circuit board of the extended communication C card 102.1 includes three bus interfaces of VME bus: data, address, and control. The VME bus serves the dual-port RAM of the extended communication C card 102.1.

[0026] The angled hole connector on the front panel of the communication U plug-in 102.2 includes the RS485 interface, CAN interface, and current loop interface.

[0027] In the above or some embodiments, the 48-pin European connector at the printed circuit board of the communication U plug-in 102.2 includes a CAN interface corresponding to the internal dual-channel bus, a dual-channel RS485 interface, and an RS422 interface.

[0028] In some embodiments, the 96-pin Euro-type connector on the printed circuit board of the communication U card 102.2 includes three bus interfaces of VME bus: data, address, and control. The VME bus serves the dual-port RAM of the communication U card 102.2.

[0029] The utility model discloses a train operation monitoring device. By acquiring data from a ground transponder (BTM) via an extended communication C plug-in 102.1, the ground transponder provides basic data to the train operation monitoring device LKJ. By acquiring data from a track circuit (TCR) via a communication U-type plug-in, the LKJ train operation monitoring device can acquire track circuit data, position information, etc. when in use on an EMU.

[0030] The technical means disclosed in the present invention are not limited to those disclosed in the above-mentioned embodiments, but also include technical solutions composed of any combination of the above-mentioned technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of the present invention, and such improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. A train operation monitoring device, comprising a host and a monitoring display connected to the host, wherein the host comprises a recording plug-in (101), a communication plug-in (102), an analog input / output plug-in (103), a digital input / output plug-in (104) and a power supply plug-in of a plate-like structure, each of the plug-ins being made of a plate-like printed circuit board, forming a structure that is plugged into and fixedly communicates with a host box, and the recording plug-in (101), the communication plug-in (102), the analog input / output plug-in, the digital input / output plug-in (104) and the power supply plug-in are connected to the host board (105) via copper wires for communication, characterized in that: The communication plug-in (102) is composed of an extended communication C plug-in (102.1) for communication between the ground transponder and the main board (105), and a communication U plug-in (102.2) for communication between the track circuit reader and the main board (105). The extended communication C plug-in (102.1) and / or the communication U plug-in (102.2) communicate with the main board (105) via an internal bus, or communicate with the main board (105) via a serial communication bus VME.

2. The train operation monitoring device according to claim 1, characterized in that: The extended communication C plug-in (102.1) is provided with a front panel LED indicator light, the front panel LED indicator light is electrically connected to the CPU, and the extended communication C plug-in (102.1) is provided with a bent pin connector, the bent pin connector includes an RS422 interface and a debug interface CD.

3. The train operation monitoring device according to claim 1, characterized in that: The 48-pin European connector at the printed circuit board of the extended communication C plug-in (102.1) includes a CAN interface corresponding to the internal dual-channel bus, and also includes an RS485 interface and an RS422 interface.

4. The train operation monitoring device according to any one of claims 1-2, characterized in that: The 96-pin European connector at the printed circuit board of the extended communication C plug-in (102.1) includes three bus interfaces of VME bus: data, address and control. The VME bus serves the dual-port RAM of the extended communication C plug-in (102.1).

5. The train operation monitoring device according to claim 4, characterized in that: The angled hole connector at the front panel of the communication U plug-in (102.2) includes an RS485 interface, a CAN interface and a current loop interface.

6. The train operation monitoring device according to claim 4, characterized in that: The 48-core European connector at the printed circuit board of the communication U plug-in (102.2) includes a CAN interface corresponding to the internal dual-channel bus, a dual-channel RS485 interface and an RS422 interface.

7. The train operation monitoring device according to any one of claims 1 to 3, characterized in that: The 96-pin European connector at the printed circuit board of the communication U plug-in (102.2) includes three bus interfaces of VME bus: data, address and control. The VME bus serves the dual-port RAM of the communication U plug-in (102.2).

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