Automatic monitoring equipment for railway signal spare core cable

Abstract

The utility model discloses an automatic monitoring device for a railway signal spare core cable, which comprises a monitoring device main body, the monitoring device main body adopts a modular design, can be conveniently installed in a railway signal standard combination cabinet, and is provided with a plurality of routing boards, a control board and a TDR test board, and the routing board is connected with the TDR test board through a backboard bus. The device has the advantages of high automation degree, high measurement accuracy, convenience in maintenance, wide application range and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of railway signal spare core cable monitoring, in particular to an automatic monitoring device for railway signal spare core cables. Background Art

[0002] The stable operation of the railway signal system is crucial to train safety. As an important part of the signal system, the integrity of the spare core cable is directly related to the reliability of signal transmission. However, the traditional manual detection method has problems such as low efficiency and prone to errors, which makes it difficult to meet the needs of modern railways for efficient and accurate detection. Therefore, this scheme aims to design an automatic monitoring system for railway signal spare core cables to improve detection efficiency and accuracy and ensure the safe and stable operation of the railway signal system. Utility Model Content

[0003] The utility model aims to solve the technical problems existing in the prior art and provides an automatic monitoring device for railway signal spare core cables.

[0004] To achieve the above-mentioned purpose, the technical solution provided by the utility model is: an automatic monitoring device for railway signal spare core cables, including a monitoring device body, the monitoring device body adopts a group box design, and can be conveniently installed in a railway signal standard combination cabinet, the monitoring device body is installed with several routing boards, 1 control board and 1 TDR test board, and the routing board, the control board and the TDR test board are connected through a backplane bus.

[0005] Preferably, the number of routing boards is at most 18 and the number of routing boards is at least 1.

[0006] Preferably, a measurement bus is provided in the main body of the monitoring equipment, and each routing board is equipped with 10 small relays for selecting the cable core wires to be tested, and the routing board is connected to the measurement bus. The measurement bus is designed as a two-way analog bus, which supports obtaining signals from two different routing boards at the same time for loop resistance and insulation measurement.

[0007] Preferably, the control board provides high-voltage power supply, realizes insulation test and loop resistance measurement, and the control board adopts 500V 8mA high-current high-voltage power supply for insulation test to ensure the accuracy and reliability of the test; the control board is also equipped with a high-precision 16-bit ADC for accurate measurement of loop resistance.

[0008] Preferably, the control board is also provided with a communication interface for data transmission and command control with a host computer.

[0009] Preferably, the TDR test board measures the cable length and fault location. The TDR test board uses a high-speed CPU and a 100MHZ high-speed ADC to achieve waveform generation, recording and measurement, accurately measuring the cable length and locating the fault point.

[0010] Beneficial effects of the utility model:

[0011] The utility model has the advantages of high degree of automation, high measurement accuracy, easy maintenance and wide application range. The implementation of the invention will help to improve the maintenance efficiency and quality of the railway signal system, shorten the fault handling time, and ensure the safe and stable operation of the train; at the same time, the utility model can also be promoted and applied to cable detection needs in other similar scenarios, and has broad market application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0013] Figure 1 It is a schematic diagram of the overall structure of the main body of the monitoring device of the utility model;

[0014] Figure 2 It is a schematic diagram of the structure of the routing board, routing board and TDR test board of the utility model;

[0015] Figure 3 It is a top view of the main body of the utility model device;

[0016] Figure 4 It is a side view of the main body of the utility model.

[0017] Figure annotation:

[0018] 1- Routing board 2- Control board 3- TDR test board. DETAILED DESCRIPTION

[0019] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0020] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0021] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0022] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0023] Reference Figure 1 The preferred embodiment of the utility model is a railway signal spare core cable automatic monitoring device, including a monitoring device body, the monitoring device body adopts a group box design, and can be conveniently installed in a railway signal standard combination cabinet. The monitoring device body is installed with several routing boards 1, a control board 2 and a TDR test board 3. The routing board 1, the control board 2 and the TDR test board 3 are connected through a backplane bus to achieve high-speed data transmission and processing.

[0024] There are at most 18 routing boards 1 and at least 1 routing board 1.

[0025] Routing board 1: Each routing board 1 is equipped with 10 small relays to select the cable cores to be tested and connect them to the measurement bus. The measurement bus is designed as a two-way analog bus, which supports obtaining signals from two different routing boards 1 at the same time for loop resistance and insulation measurement.

[0026] Control board 2: Control board 2 is responsible for providing high-voltage power supply, realizing insulation test and loop resistance measurement and other functions. It uses a high-current high-voltage power supply of 500V 8mA for insulation test to ensure the accuracy and reliability of the test. At the same time, control board 2 is also equipped with a high-precision 16-bit ADC for accurate measurement of loop resistance. In addition, control board 2 also has a communication interface for data transmission and command control with the host computer.

[0027] TDR Test Board 3: TDR Test Board 3 is responsible for measuring cable length and fault location. It uses a high-speed CPU and a 100MHZ high-speed ADC to generate, record and measure waveforms, and can accurately measure cable length and locate fault points. At the same time, TDR Test Board 3 also supports multiple measurement modes and can be flexibly configured according to actual needs.

[0028] In this embodiment, the method for using the monitoring device includes the following steps:

[0029] 1. Select the core wire of the cable to be tested through the routing board 1 and connect it to the measurement bus;

[0030] 2. Control board 2 provides high voltage power supply for insulation test and loop resistance measurement;

[0031] 3. Transmit the measurement data to the control board for processing and analysis;

[0032] 4. Measure the cable length and fault location through the TDR test board 3;

[0033] 5. All measurement results are summarized and output to the host computer for display and storage.

[0034] The utility model realizes automatic route selection through the route selection board 1, with a high degree of automation, greatly improving the detection efficiency; the control board 2 is also equipped with a high-precision 16-bit ADC to accurately measure the loop resistance, ensuring the accuracy and reliability of the measurement results; the TDR test board 3 is responsible for measuring the cable length and fault location, which can accurately measure the cable length and locate the fault point, making it easy to find and handle the fault in time and convenient for maintenance. The TDR test board 3 also supports multiple measurement modes, which can be flexibly configured according to actual needs and has a wide range of applications. It can be widely used in railway signal systems and other similar cable detection needs.

[0035] In summary, the utility model has the advantages of high automation, high measurement accuracy, convenient maintenance and wide application range. The implementation of the invention will help improve the maintenance efficiency and quality of railway signal systems, shorten fault handling time, and ensure the safe and stable operation of trains. At the same time, the utility model can also be promoted and applied to cable detection needs in other similar scenarios, and has broad market application prospects.

[0036] Under the premise that no conflict occurs, those skilled in the art may freely combine and superimpose the above-mentioned additional technical features.

[0037] The above description is only a preferred implementation mode of the present utility model. Any technical solution that achieves the purpose of the present utility model by basically the same means belongs to the protection scope of the present utility model.

Claims

1. A railway signal spare core cable automatic monitoring device, characterized in that: The monitoring device comprises a monitoring device body, which is designed as a group box. The monitoring device body is equipped with a plurality of routing boards (1), a control board (2) and a TDR test board (3). The routing board (1), the control board (2) and the TDR test board (3) are connected via a backplane bus.

2. The railway signal spare core cable automatic monitoring device according to claim 1 is characterized by: The number of routing boards (1) is at most 18 and the number of routing boards (1) is at least 1.

3. The railway signal spare core cable automatic monitoring device according to claim 1 is characterized by: A measurement bus is provided in the main body of the monitoring device. Each routing board (1) is equipped with 10 small relays for selecting the core wires of the cable to be tested. The routing board (1) is connected to the measurement bus. The measurement bus is designed as a two-way analog bus, which supports obtaining signals from two different routing boards (1) at the same time to perform loop resistance and insulation measurement.

4. The railway signal spare core cable automatic monitoring device according to claim 1 is characterized in that: The control board (2) provides a high-voltage power supply, realizes insulation testing and loop resistance measurement, and the control board (2) uses a 500V 8mA high-current high-voltage power supply to perform insulation testing; the control board (2) is also equipped with a high-precision 16-bit ADC to accurately measure the loop resistance.

5. The railway signal spare core cable automatic monitoring device according to claim 1 is characterized by: The control panel (2) is also provided with a communication interface for data transmission and command control with a host computer.

6. The railway signal spare core cable automatic monitoring device according to claim 1 is characterized by: The TDR test board (3) measures the cable length and fault location. The TDR test board (3) uses a high-speed CPU and a 100 MHz high-speed ADC to achieve waveform generation, recording and measurement, accurately measuring the cable length and locating the fault point.

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