CN202206409U - Comprehensive railway outdoor signal communication monitoring device - Google Patents

Abstract

The utility model relates to a comprehensive railway outdoor signal communication monitoring device which comprises a track circuit signal collecting device and a railway signal collecting device which are interconnected, wherein a voltage transformer and a current transformer are respectively arranged at an interface of the track circuit signal collecting device, the other terminals of the voltage transformer and the current transformer are both connected with an automatic gain amplifier and a bandpass amplifier in sequence, the bandpass amplifier is connected with a CPU (central processing unit), and the other terminal of the CPU is connected with a first CM-BUS interface connected with the railway signal collecting device by a CM-BUS, and a watchdog; the railway signal collecting device is internally provided with a CPU, and the CPU is connected with a second CM-BUS interface, a temperature collecting device, a power supply switch and a CAN (controller area network) interface respectively. The comprehensive railway outdoor signal communication monitoring device has the beneficial effects of being capable of timely debugging, thereby solving the problem that an existing spare cable is not enough for use.

Description

Comprehensive communication monitoring device for railway outdoor signals

technical field

The utility model relates to a comprehensive communication monitoring device for railway outdoor signals.

Background technique

At present, the signal microcomputer monitoring system has been widely used. Through the real-time collection and analysis of various analog and switch values of the signal, the system provides an important technical means for the electrical maintenance personnel to grasp the equipment operation status, fault handling and fault analysis. , and achieved certain results. However, the existing microcomputer monitoring system is mainly for monitoring indoor equipment, and lacks real-time monitoring of outdoor equipment, especially interval equipment; only the characteristic data of indoor and outdoor equipment can be synchronously analyzed as a whole, and most effective outdoor fault location Judgment requires maintenance personnel to conduct tests after arriving at the scene, and through indoor and outdoor synchronous tests, and after comprehensively judging the test results of a certain state, the fault location can be determined. Therefore, in this aspect, it is easy to cause a long delay in judgment, and it takes a long time for personnel to be dispatched to troubleshoot, which makes it difficult to realize synchronous testing, and there is a defect that comprehensive fault analysis and processing cannot be performed.

Utility model content

The purpose of this utility model is to provide a comprehensive communication monitoring device for railway outdoor signals to overcome the shortcomings of the prior art that comprehensive fault analysis and processing, long fault processing time, and poor timeliness of measurement can be overcome.

The purpose of this utility model is to realize through the following technical solutions:

A comprehensive communication monitoring device for railway outdoor signals, comprising a track circuit signal acquisition device and a railway signal acquisition device connected to each other, the interface of the track circuit signal acquisition device is respectively provided with a voltage transformer and a current transformer, a voltage transformer and a current transformer. The other end of the mutual inductor is connected with an automatic gain amplifier, the other end of the two automatic gain amplifiers is connected with a band-pass amplifier, the two band-pass amplifiers are connected with the CPU, and the other end of the CPU is connected with the first CM-BUS bus interface and the watchdog ( watchdog, monitoring timer), the first CM-BUS bus interface is connected to the railway signal acquisition device by the CM-BUS bus, and the other end of the watchdog is connected to the power processor; the inside of the railway signal acquisition device is provided with another CPU. The CPU is respectively connected to the second CM-BUS bus interface, temperature acquisition device, filament broken wire acquisition device, power switch and CAN interface, wherein the power switch is connected to the second CM-BUS bus interface and CAN interface respectively, and the second CM-BUS bus The interface is connected to the track circuit signal acquisition device through another CM-BUS bus, the other end of the power switch is connected to the indoor power supply, and the other end of the CAN interface is connected to the indoor centralized management machine through the CAN bus.

The beneficial effects of the utility model are: it can assist in the comprehensive intelligent analysis of signal equipment status and electrical characteristic integrity, and can effectively analyze the electrical characteristic data of indoor and outdoor equipment synchronously; it can intuitively describe the operating state of the track circuit, effectively shorten the Troubleshooting time; provide reliable data for the first site through analysis, calculation and analysis of the relevant voltage, current and phase of the track circuit; use the CAN bus to communicate with the room, and use the two-wire CM-BUS bus to collect track circuit signals Device communication solves the problem of insufficient existing spare cables.

Description of drawings

Below according to accompanying drawing, the utility model is described in further detail.

Fig. 1 is the functional block diagram of the railway signal acquisition device in the railway outdoor signal integrated communication monitoring device described in the utility model embodiment;

Fig. 2 is a functional block diagram of the track circuit signal acquisition device in the railway outdoor signal integrated communication monitoring device described in the embodiment of the present invention.

In the picture:

1. Track circuit signal acquisition device; 101. Voltage transformer; 102. Current transformer; 103. Automatic gain amplifier; 104. Band-pass amplifier; 105. CPU; 106. First CM-BUS interface; 1061. CM- BUS bus; 107, watchdog; 108, power processor; 2, railway signal acquisition device; 201, CPU; 202, second CM-BUS bus interface; 2021, CM-BUS bus; 203, temperature acquisition device; 204 , power switch; 205, CAN interface; 2051, CAN bus; 206, indoor power supply; 207, indoor centralized management machine.

Detailed ways

As shown in Figure 1-2, the railway outdoor signal comprehensive communication monitoring device described in the embodiment of the present utility model includes a track circuit signal acquisition device 1 and a railway signal acquisition device 2 connected to each other, and is characterized in that: the track circuit signal A voltage transformer 101 and a current transformer 102 are respectively arranged at the interface of the acquisition device 1, and the other ends of the voltage transformer 101 and the current transformer 102 are connected with an automatic gain amplifier 103, and the other ends of the two automatic gain amplifiers 103 are connected with a band-pass Amplifier 104, two band-pass amplifiers 104 are connected to CPU105, the other end of CPU105 is connected to the first CM-BUS bus interface 106 and watchdog 107, the first CM-BUS bus interface 106 is connected to the railway signal acquisition device through CM-BUS bus 1061 2. The other end of the watchdog 107 is connected to the power processor 108; the railway signal acquisition device 2 is provided with another CPU 201, which is connected to the second CM-BUS bus interface 202, the temperature acquisition device 203, and the power supply respectively. Switch 204 and CAN interface 205, wherein power switch 204 is connected with second CM-BUS bus interface 202 and CAN interface 205 respectively, and second CM-BUS bus interface 202 connects track circuit signal acquisition device 1 through another CM-BUS bus 2021 , the other end of the power switch 204 is connected to the indoor power supply 206 , and the other end of the CAN interface 205 is connected to the indoor centralized management machine 207 through the CAN bus 2051 .

During specific use, the railway signal acquisition device 2 mainly completes the acquisition of analog quantities, meets the requirements of the station and the interval, and simultaneously completes the communication with the track circuit signal acquisition device 1 and the indoor centralized management machine 207. The indoor centralized management machine 207 can communicate with various The real-time alarm information is displayed in Chinese characters on the LCD screen, so that the information of each signal machine is clear; the track circuit signal acquisition device 1 mainly completes the acquisition of the rail surface voltage and current of the outdoor sending and receiving equipment of the track circuit, and analyzes the corresponding For carrier frequency and low frequency information, the track circuit signal acquisition device 1 adopts a single-clock high-speed single-chip microcomputer with simplified instructions, which has high frequency measurement accuracy and rapid low-frequency demodulation.

In the railway outdoor signal comprehensive communication monitoring device described in the embodiment of the present utility model, its indoor centralized management machine 207 is remotely connected to the outdoor signal interval monitoring device through the CAN bus 2051, and the system analysis software passes various monitoring data and alarm information sent by the monitoring unit Intelligent analysis to determine the working status of the equipment in the interval, especially to conduct intelligent diagnosis or provide judgment basis for its abnormal and fault status and the cause of the fault.

The utility model is not limited to the above-mentioned best implementation mode, anyone can draw other various forms of products under the enlightenment of the utility model, but no matter make any changes in its shape or structure, all have the same features as the application Or similar technical schemes all fall within the protection scope of the present utility model.

Claims (1)

1. A railway outdoor signal comprehensive communication monitoring device, comprising a track circuit signal acquisition device (1) and a railway signal acquisition device (2) connected to each other, characterized in that: the interface of the track circuit signal acquisition device (1) is respectively A voltage transformer (101) and a current transformer (102) are provided, and the other ends of the voltage transformer (101) and the current transformer (102) are connected to an automatic gain amplifier (103), and the two automatic gain amplifiers (103) The other end is connected to the band-pass amplifier (104), the two band-pass amplifiers (104) are connected to the CPU (105), and the other end of the CPU (105) is connected to the first CM-BUS bus interface (106) and the watchdog (107) , the first CM-BUS bus interface (106) is connected to the railway signal acquisition device (2) through the CM-BUS bus (1061), and the other end of the watchdog (107) is connected to the power processor (108); the railway signal acquisition Another CPU (201) is provided inside the device (2), and the CPU (201) is respectively connected to the second CM-BUS bus interface (202), the temperature acquisition device (203), the power switch (204) and the CAN interface (205) , wherein the power switch (204) is connected to the second CM-BUS bus interface (202) and the CAN interface (205) respectively, and the second CM-BUS bus interface (202) is connected to the track circuit through another CM-BUS bus (2021) In the signal acquisition device (1), the other end of the power switch (204) is connected to the indoor power supply (206), and the other end of the CAN interface (205) is connected to the indoor centralized management machine (207) through the CAN bus (2051).

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