Railway electric power through line fault positioning system

Abstract

The utility model belongs to the technical field of line fault monitoring, and aims to provide a railway electric power through line fault positioning system. According to the technical scheme, the railway electric power through line fault positioning system comprises a remote monitoring device and fault positioning devices arranged in line sections in a railway electric power through line respectively, and the fault positioning devices are in communication connection with the remote monitoring device; the fault positioning device comprises a signal acquisition module and a positioning module electrically connected with the signal acquisition module, the signal acquisition module is connected with a power supply side of a line section where the signal acquisition module is located, and the positioning module is in communication connection with the remote monitoring device. According to the utility model, the power supply reliability and the fault processing efficiency of the railway power through line can be improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to line fault monitoring technical field, concretely relates to a railway power through line fault positioning system. BACKGROUND

[0002] With the rapid development of high-speed railway in China, power through line has been widely used in railway power supply system. With the characteristics of wide power supply range and high operation reliability, power through line has become an important part of high-speed railway power supply system. However, in the actual operation process, due to external damage, equipment aging or insulation performance decline, power through line is prone to short circuit or grounding fault. The occurrence of these faults not only causes power interruption, but also may cause further damage to related equipment, affecting the safety and efficiency of railway transportation.

[0003] At present, in the railway power through line of Beijing-Tianjin intercity, there is lack of device capable of real-time positioning of fault section. Once a fault occurs, it is usually necessary to gradually check the fault point in the line by manually adopting multiple sectional test power supply mode. This mode is low in efficiency, difficult to restore power supply of non-fault section in time, long in fault repair time, in addition, multiple test power supply may cause additional impact on the line and equipment, expand the damage range of fault cable and cause unnecessary secondary problems. UTILITARY MODEL CONTENT

[0004] In order to at least solve the above technical problems to some extent, the utility model provides a railway power through line fault positioning system.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A railway power through line fault positioning system, comprising a remote monitoring device and a fault positioning device arranged in each line section of the railway power through line respectively, the fault positioning device is in communication connection with the remote monitoring device; the fault positioning device comprises a signal acquisition module and a positioning module in electric connection with the signal acquisition module, the signal acquisition module is connected with the power supply side of the line section thereof, and the positioning module is in communication connection with the remote monitoring device.

[0007] In one possible design, any line section comprises a primary load power supply line section in a specified range in the railway power through line; correspondingly, the signal acquisition module in the fault positioning device matched with the any line section comprises a first signal acquisition module connected with the power supply side of the primary load power supply line section in the any line section.

[0008] In a possible design, any line section includes the integrated load power supply line section within a specified range in the railway power through line; correspondingly, the signal acquisition module in the fault locating device matched with the any line section includes a second signal acquisition module connected with the power supply side of the integrated load power supply line section in the any line section.

[0009] In a possible design, any line section includes the integrated load power supply line section within a specified range in the railway power through line; correspondingly, the signal acquisition module in the fault locating device matched with the any line section includes a second signal acquisition module connected with the power supply side of the integrated load power supply line section in the any line section.

[0010] In a possible design, the signal acquisition module includes a fault signal acquisition module and a signal converter, the fault signal acquisition module is connected with the power supply side of the line section where the fault signal acquisition module is located, and the fault signal acquisition module is electrically connected with the locating module through the signal converter.

[0011] In a possible design, the signal acquisition module includes a fault signal acquisition module and a signal converter, the fault signal acquisition module is connected with the power supply side of the line section where the fault signal acquisition module is located, and the fault signal acquisition module is electrically connected with the locating module through the signal converter.

[0012] In a possible design, the locating module includes a master control module and a wireless communication module electrically connected with the master control module, the signal acquisition module is electrically connected with the master control module, and the wireless communication module is wirelessly connected with the remote monitoring device.

[0013] In a possible design, the wireless communication module adopts a GPRS transceiver module.

[0014] The utility model discloses beneficial effect concentrates in, can improve the power supply reliability and failure processing efficiency of railway power through line. Specifically, the utility model discloses in the implementation process, the railway power through line is divided into a plurality of line sections in advance, then along the power supply direction of railway power through line, installs the fault location device including signal acquisition module and positioning module respectively on the power supply side of a plurality of line sections, and the fault location device of a plurality of line sections is all communication connection in remote monitoring device. In the utility model, the signal acquisition module in fault location device is used for gathering the operation parameter of its line section, and sends operation parameter to remote monitoring device through the positioning module connected with it, when the railway power through line fails, the operation and maintenance personnel can be based on the remote monitoring device of communication connection with each fault location device and quickly locate the line section of failure, thereby instructing the operation and maintenance personnel to quickly remove the fault, realize the accurate positioning and quick processing of line fault section, and further improve the maintenance efficiency and power supply reliability of railway power through line, in addition, the utility model still has simple structure, convenient installation and the characteristics of stable operation, is applicable to the complex railway operation environment, can satisfy the high standard demand of railway system to power supply safety and reliability. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the control block diagram of railway power through line fault location system in the embodiment;

[0016] Figure 2 It is the arrangement drawing of example of railway power through line fault location system in the embodiment. DETAILED DESCRIPTION

[0017] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the utility model will be briefly introduced in combination with the description of embodiment or prior art and drawing, obviously, the following description of drawing structure is only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying creative labor, other drawings can also be obtained according to these drawings. It needs to be explained here that the description of these embodiment modes is used to help understanding the utility model, but does not constitute the limitation to the utility model.

[0018] It should be understood that, for the term "and / or" that can appear in this paper, it is only one kind of description of the association relationship of associated object, and it can represent three kinds of relationships, for example, A and / or B, can represent: three cases of existence A alone, existence B alone and existence A and B simultaneously.

[0019] Embodiment:

[0020] As Figure 1As shown, the embodiment provides a railway power through line fault positioning system, which comprises a remote monitoring device and fault positioning devices respectively arranged in each line section of the railway power through line, and the fault positioning devices are in communication connection with the remote monitoring device; the fault positioning device comprises a signal acquisition module and a positioning module in electrical connection with the signal acquisition module, the signal acquisition module is connected with the power supply side of the line section thereof, and the positioning module is in communication connection with the remote monitoring device.

[0021] In the embodiment, the remote monitoring device may, but is not limited to, adopt a computer device or a virtual machine with certain computing resources, such as a computer terminal, a smart phone, a personal digital assistant or a wearable device, or a virtual machine. In the embodiment, the remote monitoring device adopts a computer terminal and a smart phone, so as to realize remote monitoring of the railway power through line by the operation and maintenance personnel in different scenarios.

[0022] In the implementation process, the fault positioning devices of each line section can also uniformly upload data to an Internet of Things cloud platform, and the remote monitoring device realizes remote monitoring by checking the data on the Internet of Things cloud platform.

[0023] In the embodiment, any line section comprises a primary load power supply line section and / or a comprehensive load power supply line section within a specified range in the railway power through line; correspondingly, the signal acquisition module in the fault positioning device matched with the any line section comprises a first signal acquisition module connected with the power supply side of the primary load power supply line section in the any line section and / or a second signal acquisition module connected with the power supply side of the comprehensive load power supply line section in the any line section. It should be noted that in the embodiment, the primary load power supply line section is used to supply power for key equipment and has high reliability requirements, and the first signal acquisition module is arranged to facilitate the operation and maintenance personnel to judge whether the line section is in normal operation or failure; the comprehensive load power supply line section usually serves as a backup power supply for the primary load power supply line section and also supplies power for non-key equipment such as lighting or auxiliary equipment, and by monitoring the failure of the comprehensive load power supply line section, more extensive power supply problems caused by the failure of the comprehensive load can be avoided, and the second signal acquisition module is arranged to facilitate the operation and maintenance personnel to judge whether the line section is in normal operation or failure.

[0024] Specifically, in the embodiment, the first implementation of the any line section and the corresponding signal acquisition module is as follows: the any line section comprises a primary load power supply line section within a specified range in the railway power through line; correspondingly, the signal acquisition module in the fault positioning device matched with the any line section comprises a first signal acquisition module connected with the power supply side of the primary load power supply line section in the any line section. For example, Figure 2As shown, the fault locating device arranged in the power distribution station A is provided with only the first signal acquisition module connected with the power supply side of the primary load power supply line section.

[0025] The second embodiment of any line section and corresponding signal acquisition module is as follows: any line section includes the comprehensive load power supply line section in the specified range of the railway power through line; correspondingly, the signal acquisition module in the fault locating device matched with the any line section includes the second signal acquisition module connected with the power supply side of the comprehensive load power supply line section in the any line section. As shown, Figure 2 As shown, the fault locating device arranged in the power distribution station B is provided with only the second signal acquisition module connected with the power supply side of the comprehensive load power supply line section.

[0026] The third embodiment of any line section and corresponding signal acquisition module is as follows: any line section includes the primary load power supply line section and the comprehensive load power supply line section in the specified range of the railway power through line; correspondingly, the signal acquisition module in the fault locating device matched with the any line section includes the first signal acquisition module connected with the power supply side of the primary load power supply line section in the any line section and the second signal acquisition module connected with the power supply side of the comprehensive load power supply line section in the any line section. As shown, Figure 2 As shown, the fault locating device arranged in the power box transformer 1 to the power box transformer X is provided with both the first signal acquisition module connected with the power supply side of the primary load power supply line section and the second signal acquisition module connected with the power supply side of the comprehensive load power supply line section, and the first signal acquisition module and the second signal acquisition module are both electrically connected with the locating module, and are respectively used for acquiring the operating parameters of the primary load power supply line section and the comprehensive load power supply line section.

[0027] Specifically, in the embodiment, each signal acquisition module is installed at the power supply side of each line section (for example, the power distribution station A, the power distribution station B, and the power box transformer 1 to the power box transformer X), so that the independence of fault monitoring for different power supply directions (primary and comprehensive) and the segment-level accurate positioning function can be realized, the influence of the too large fault range on the entire line is avoided, and the operation safety and the maintenance efficiency of the railway power through line are greatly improved.

[0028] In the embodiment, the signal acquisition module comprises a fault signal acquisition module and a signal converter, the fault signal acquisition module is connected with the power supply side of the line section, and the fault signal acquisition module is electrically connected with the positioning module through the signal converter. It should be noted that the fault signal acquisition module adopts a sensor that can sense a large current in the line section, and only when the sensed current reaches a preset current threshold, an alarm is triggered, and the alarm signal is converted into an active switching value signal by the signal converter, and then the signal converter sends the active switching value signal to the remote monitoring device through the positioning module, so that the operation and maintenance personnel can master the abnormal situation of each line section in real time, and then determine the fault section.

[0029] In the embodiment, the signal acquisition module comprises a fault signal acquisition module and a signal converter, the fault signal acquisition module is connected with the power supply side of the line section, and the fault signal acquisition module is electrically connected with the positioning module through the signal converter. It should be noted that the fault signal acquisition module adopts a sensor that can sense a large current in the line section, and only when the sensed current reaches a preset current threshold, an alarm is triggered, and the alarm signal is converted into an active switching value signal by the signal converter, and then the signal converter sends the active switching value signal to the remote monitoring device through the positioning module, so that the operation and maintenance personnel can master the abnormal situation of each line section in real time, and then determine the fault section.

[0030] In the embodiment, the operation and maintenance personnel can receive the active switching value signal and the current value sent by the signal acquisition module of each line section through the remote monitoring device, and distinguish and process the line fault section.

[0031] In the embodiment, the positioning module comprises a main control module and a wireless communication module electrically connected with the main control module, the signal acquisition module is electrically connected with the main control module, and the wireless communication module is wirelessly connected with the remote monitoring device. It should be understood that the main control module in the positioning module can also be connected with the remote monitoring device in a wired manner, and by setting the wireless communication module, wireless communication connection between the positioning module and the remote monitoring device can be realized, and wiring cost and assembly difficulty can be reduced.

[0032] Specifically, in the embodiment, the wireless communication module adopts a GPRS (General Packet Radio Service, General Packet Radio Service) transceiver module. It should be understood that the wireless communication module is used to realize wireless communication between the fault positioning device and the remote monitoring device, so as to realize short-range or long-range data interaction.

[0033] It should be noted that in the embodiment, the wireless communication module can be, but is not limited to, any one or any combination of a WiFi (Wireless Fidelity, a wireless local area network based on IEEE 802.11b standard) transceiver module, a Bluetooth transceiver module, and a GPRS transceiver module. The WiFi transceiver module can also be used for WiFi positioning to facilitate real-time understanding of the location of the fault positioning device. Since the WiFi transceiver module and the Bluetooth transceiver module are more suitable for short-distance and local communication requirements, they are not suitable for distributed monitoring systems of railway lines. Therefore, in the embodiment, the wireless communication module uses a GPRS transceiver module, which has the advantages of wide coverage, no need for additional infrastructure, strong real-time performance and reliability in railway power through line monitoring, and is particularly suitable for scenarios requiring wide-range and long-distance monitoring.

[0034] In the embodiment, each component in the fault positioning device is centrally installed in a distribution box, which is arranged in a power distribution station or a power box transformer. This kind of arrangement structure is simple and can facilitate daily installation and maintenance. The installation position is not limited here according to the position. In the embodiment, the distribution box is made of cold-rolled steel and is externally treated with plastic spraying. The internal space size of the distribution box is 400cm*300cm*200cm. The distribution box adopts sealing and moisture-proof processes to ensure the safety of the operating environment. The installation position can be adjusted on site according to the actual distribution of the power box transformer, and the installation position is not limited here.

[0035] The embodiment can improve the power supply reliability and fault processing efficiency of the railway power through line. Specifically, in the implementation process of the embodiment, the railway power through line is divided into multiple line sections according to factors such as fault positioning requirements, line length, load distribution, and communication monitoring coverage, and then the fault positioning device including the signal acquisition module and the positioning module is installed on the power supply side of each line section along the power supply direction of the railway power through line, and the fault positioning devices of the multiple line sections are all communicatively connected to the remote monitoring device. In the embodiment, the railway power through line is divided into multiple line sections, and each line section is provided with a fault positioning device. The signal acquisition module in the fault positioning device is used to acquire the operating parameters of the line section where it is located, and sends the operating parameters to the remote monitoring device through the positioning module connected thereto. When a fault occurs in the railway power through line, the operation and maintenance personnel can quickly locate the line section where the fault occurs based on the remote monitoring device communicatively connected to each fault positioning device, thereby guiding the operation and maintenance personnel to quickly remove the fault, achieving accurate positioning and rapid processing of the line fault section, solving the problem of blind segmented power supply to equipment after the power line fault, reducing the impact on the power equipment, preventing secondary defects caused by large current burning of the electrical equipment, and further improving the maintenance efficiency and power supply reliability of the railway power through line. In addition, the embodiment also has the characteristics of simple structure, convenient installation and stable operation, and is suitable for complex railway operation environment, and can meet the high standard requirements of the railway system for power supply safety and reliability.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the utility model, and is not used to limit the protection scope of the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A railway power feed-through line fault location system, characterized by: The remote monitoring device and the fault locating device arranged in each line section of the railway power through line are connected in communication; the fault locating device comprises a signal acquisition module and a locating module electrically connected with the signal acquisition module; the signal acquisition module is connected with the power supply side of the line section; the locating module is connected in communication with the remote monitoring device.

2. A railway power feed-through line fault location system according to claim 1, characterized in that: Any line section comprises a primary load power supply line section in a specified range of the railway power through line; correspondingly, the signal acquisition module in the fault locating device matched with the any line section comprises a first signal acquisition module connected with the power supply side of the primary load power supply line section in the any line section.

3. A railway power feed-through line fault location system according to claim 1, characterized in that: Any line section comprises a comprehensive load power supply line section in a specified range of the railway power through line; correspondingly, the signal acquisition module in the fault locating device matched with the any line section comprises a second signal acquisition module connected with the power supply side of the comprehensive load power supply line section in the any line section.

4. A railway power feed-through line fault location system according to claim 1, characterized in that: Any line section comprises a primary load power supply line section and a comprehensive load power supply line section in a specified range of the railway power through line; correspondingly, the signal acquisition module in the fault locating device matched with the any line section comprises a first signal acquisition module connected with the power supply side of the primary load power supply line section in the any line section and a second signal acquisition module connected with the power supply side of the comprehensive load power supply line section in the any line section.

5. A railway power feed-through line fault location system according to claim 1, characterized in that: The signal acquisition module comprises a fault signal acquisition module and a signal converter; the fault signal acquisition module is connected with the power supply side of the line section; the fault signal acquisition module is electrically connected with the locating module through the signal converter.

6. A railway power feed-through line fault location system according to claim 1, characterized in that: The signal acquisition module comprises a running current acquisition module and a current converter; the running current acquisition module is connected with the power supply side of the line section; the running current acquisition module is electrically connected with the locating module through the current converter.

7. A railway power feed-through line fault location system as claimed in claim 1, characterized in that: The locating module comprises a master control module and a wireless communication module electrically connected with the master control module; the signal acquisition module is electrically connected with the master control module; the wireless communication module is connected in wireless communication with the remote monitoring device.

8. A railway power through line fault location system as claimed in claim 7, characterised in that: The wireless communication module adopts a GPRS transceiver module.

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